From b737851459cc03915f1ca2dce6c7b8a901cbb219 Mon Sep 17 00:00:00 2001 From: Daniel Swarbrick Date: Fri, 25 Mar 2011 00:13:16 +0100 Subject: [PATCH 001/127] correct a few ringback tone definitions, alphabetize them, add some new ones --- conf/vars.xml | 27 ++++++++++++++++++++------- 1 file changed, 20 insertions(+), 7 deletions(-) diff --git a/conf/vars.xml b/conf/vars.xml index 94529aa9bc..a342c4565c 100644 --- a/conf/vars.xml +++ b/conf/vars.xml @@ -199,15 +199,28 @@ - - - - - + + + + + - + + + + + + + + + - + + + + + + + + + + + + + + + + +LibDNS API + + NLnet Labs +
+ + Kruislaan 419 + Amsterdam + 1098 VA + The Netherlands + + miek@nlnetlabs.nl + http://www.nlnetlabs.nl +
+ + + NLnet Labs +
+ + Kruislaan 419 + Amsterdam + 1098 VA + The Netherlands + + jelte@nlnetlabs.nl + http://www.nlnetlabs.nl +
+ + + NLnet Labs +
+ + Kruislaan 419 + Amsterdam + 1098 VA + The Netherlands + + erik@nlnetlabs.nl + http://www.nlnetlabs.nl +
+ + +DNS +Elite +Hacking + + +A small abstract will come here, TBD. + + + + + + +
+ +LibDNS (or lDNS) is modelled after the Net::DNS perl library. It has +been shown that Net::DNS can be used vefficiently for +programming DNS aware applications. We want to bring the same +level of efficiency to C programmers. + + +The lDNS API consist of two layers. The top-layer, this is +what is actually exported to the application via the library. And the +bottom-layer, this is what lDNS needs to compile and function. + +
+ +
+ +Short intermezzo detailing differences with other libraries. Most important +ones are the libc resolver interface (from BIND8) and the lwres_ interface +from BIND9. + +
+ +
+ +At its lowest level lDNS is only dependent on libc. It uses a +few networking systems calls; socket, bind, send/recv and friends. + + +Further more it is to be expected that lDNS will depend on OpenSSL for +its cryptography. + + +As said, lDNS is modelled after Net::DNS, therefor its application API +looks very much like the one used for Net::DNS. Some modification are made +ofcourse, because not all functionality of Perl can be caught in C. + + + +This API document was written by carefully looking at the documentation +contained in the Net::DNS Perl module. + +
diff --git a/libs/ldns/doc/API.xml b/libs/ldns/doc/API.xml new file mode 100644 index 0000000000..07007b9a29 --- /dev/null +++ b/libs/ldns/doc/API.xml @@ -0,0 +1,462 @@ + + + + + + + + + + + + + + +LibDNS API + + NLnet Labs +
+ + Kruislaan 419 + Amsterdam + 1098 VA + The Netherlands + + miek@nlnetlabs.nl + http://www.nlnetlabs.nl +
+ + + NLnet Labs +
+ + Kruislaan 419 + Amsterdam + 1098 VA + The Netherlands + + jelte@nlnetlabs.nl + http://www.nlnetlabs.nl +
+ + + NLnet Labs +
+ + Kruislaan 419 + Amsterdam + 1098 VA + The Netherlands + + erik@nlnetlabs.nl + http://www.nlnetlabs.nl +
+ + +DNS +Elite +Hacking + + +A small abstract will come here, TBD. + + + + + + +
+ +LibDNS (or lDNS) is modelled after the Net::DNS perl library. It has +been shown that Net::DNS can be used vefficiently for +programming DNS aware applications. We want to bring the same +level of efficiency to C programmers. + + +The lDNS API consist of two layers. The top-layer, this is +what is actually exported to the application via the library. And the +bottom-layer, this is what lDNS needs to compile and function. + +
+ +
+ +Short intermezzo detailing differences with other libraries. Most important +ones are the libc resolver interface (from BIND8) and the lwres_ interface +from BIND9. + +
+ +
+ +At its lowest level lDNS is only dependent on libc. It uses a +few networking systems calls; socket, bind, send/recv and friends. + + +Further more it is to be expected that lDNS will depend on OpenSSL for +its cryptography. + + +As said, lDNS is modelled after Net::DNS, therefor its application API +looks very much like the one used for Net::DNS. Some modification are made +ofcourse, because not all functionality of Perl can be caught in C. + + + +This API document was written by carefully looking at the documentation +contained in the Net::DNS Perl module. + +
+ +
+ +The rdf structure, the RData Field, is a type that contains the different +types in the rdata of an RR. Consider the following example: + +example.com. IN MX 10 mx.example.com. + +The "10 mx.example.com." is the rdata in this case. It consists of two +fields, "10" and "mx.example.com". These have the types (in this case) +LDNS_RDF_TYPE_INT8 and LDNS_RDF_TYPE_DNAME. + + +The following functions operate on this structure. + + + + +Create a new rdf structure. Return a pointer to it. + + +Get the size of a rdf structure. + + +Set the size of a rdf structure. + + +Set the type of a rdf structure. + + +Get the type of a rdf structure. + + +Set the (binary/network order) data of a rdf structure. + + +Get a pointer to the data in a rdf structure. + + +Free a rdf structure. + + +Create a new rdf structure from a string and a specific rdf_type. +The type is needed to perform the correct conversion. + + + +
+ +
+ +These functions operate on ldns_rr structures. + + + + +Returns a pointer to the newly created ldns_rr structure. + + +Prints the record to the stream s. + + +Returns a pointer to a ldns_buffer containing with string containing +RR-specific data. + + +Returns the record's owner name as a ldns_rdf type. + + +Returns the record's type. + + +Returns the record's class. + + +Returns the record's time-to-live (TTL). + + + + + +TODO the 'set' functions of the 'get' + +
+ +
+ +In the DNS the atomic data type is an RRset. This is a list +of RRs with the same ownername, type and class. Net::DNS doesn't +have rrsets as a seperate object. + + +In lDNS we have the ldns_rr_list, which just holds a bunch of RR's. +No specific check are made on the RRs that can be put in such a list. +Special wrapper functions exist which allow the usage of ldns_rr_list +of real (RFC compliant) RR sets. + + +TODO: See rr.c + +
+ +
+ + + +Create a new resolver structure and return the pointer to that. + + +Returns the version of lDNS. + + +Returns a ldns_pkt representing the MX records +for the specified dname. Function is documented differently in Net::DNS. +Do we need stuff like this?? XXX + + + Set the default domain for this resolver. This domain is added + when a query is made with a name without a trailing dot. + + + + +Add a new nameserver to the resolver. These nameservers are queried + when a search() or query() is done. + + + + Add a domain to the searchlist of a resolver. + + + Perform a query. Try all the nameservers in the *res structure. Apply + the search list. And default domain. +If type is NULL it defaults to 'A', +If class is NULL it default to 'IN'. + + +Perform a query. Only the default domain is added. +If type is NULL it defaults to 'A', +If class is NULL it default to 'IN'. + + +No search list nor default domain is applied. Return a pointer to a ldns_pkt +structure with the information from the nameserver. +If type is NULL it defaults to 'A', +If class is NULL it default to 'IN'. + + + + +TODO XX Gazillion helper functions to set port, src-port, etc. etc. + +
+ +
+ +A packet structure (ldns_pkt) has five sections: + +The header section, a ldns_hdr structure. +The question section, a ldns_rr_list structure. +The answer section, a ldns_rr_list structure. +The authority section, a ldns_rr_list structure. +The additional section, a ldns_rr_list structure. + + + + + +ldns_hdr represents the header section of a DNS packet. + + +A list of RRs in the Question section of a DNS packet. + + +A list of RRs in the Question section of a DNS packet. + + +A list of RRs in the Question section of a DNS packet. + + +A list of RRs in the Question section of a DNS packet. + + + + + + + +Creates a new empty packet. + + +Returns the packet data in binary format, suitable for sending to a +nameserver. [XXX, suitable for sending to a NS?] + + +Returns a ldns_hdr structure representing the header section of +the packet. + + + Returns a pointer to a ldns_rr_list representing the question section +of the packet. + + + Returns a pointer to a ldns_rr_list representing the answer section of +the packet. + + + +Returns a pointer to a ldns_rr_list representing the authority section +of the packet. + + + +Returns a pointer to a ldns_rr_list of representing the additional +section of the packet. + + + +Prints the packet data on the standard output in an ASCII format similar +to that used in DNS zone files. See RFC1035. + + + +Returns a ldns_buffer containing the string representation of the packet. + + + +Returns the IP address from which we received this packet. User-created +packets will return NULL. + + + +Returns the size of the packet in bytes as it was received from a +nameserver. User-created packets will return 0. [XXX +user-created??] + + + +Adds *rr to the specified section of the packet. Return LDNS_STATUS_OK +on success, LDNS_STATUS_ERR otherwise. + + + +Adds *rr to the specified section of the packet provided that the RR +does not already exist in the packet. Return LDNS_STATUS_OK +on success, LDNS_STATUS_ERR otherwise. + + +Removes a RR from the specified section of the packet. Returns NULL if +no RR's could be popped. + + +Retrieve all RRs in a packet matching certain criteria. XXX function needs +to be specified better. + + +Print packet p to stream s. + + + + +
+ +
+ +Some resource records can have special access function no other RR has. +Those are detailed here. XXX TODO don't exist (yet?). + +
+ +
+ +insert your long list here. + +
+ +
+ +A small example, which queries a nameserver on localhost +to diplay the MX records for miek.nl. + + + +
+ +/** + * An example ldns program + * In semi-C code + * + * Setup a resolver + * Query a nameserver + * Print the result + */ + +#include <ldns.h> + +int +main(void) +{ + ldns_resolver *res; + ldns_rdf *default_dom; + ldns_rdf *nameserver; + ldns_rdf *qname; + ldns_pkt *pkt; + + /* init */ + res = ldns_resolver_new(); + if (!res) + return 1; + + /* create a default domain and add it */ + default_dom = ldns_rdf_new_frm_str("miek.nl.", LDNS_RDF_TYPE_DNAME); + nameserver = ldns_rdf_new_frm_str("127.0.0.1", LDNS_RDF_TYPE_A); + + if (ldns_resolver_domain(res, default_dom) != LDNS_STATUS_OK) + return 1; + if (ldns_resolver_nameserver_push(res, nameserver) != LDNS_STATUS_OK) + return 1; + + /* setup the question */ + qname = ldns_rdf_new_frm_str("www", LDNS_RDF_TYPE_DNAME); + + /* fire it off. "miek.nl." will be added */ + pkt = ldns_resolver_query(res, qname, LDNS_RR_TYPE_MX, NULL); + + /* print the resulting pkt to stdout */ + ldns_pkt_print(stdout, pkt); + + return 0; +} + +
+ +
+ + + + + diff --git a/libs/ldns/doc/CodingStyle b/libs/ldns/doc/CodingStyle new file mode 100644 index 0000000000..a326e5c3f9 --- /dev/null +++ b/libs/ldns/doc/CodingStyle @@ -0,0 +1,64 @@ +The libdns coding style guide + +* Use of tabs (real tabs, 8 positions long) +* Spaces only after comma's, and in between operators. + And after keywords (if, while, for) +* Underscores to make long names readable +* prefix (exported) identifiers with 'ldns_' +* no unneeded parentheses after 'return' +* always curly brackets in if-statements +* use defines for (weird) constants, and masks +* type 'bool', constants 'true'/'false'. Don't compare bools for + equality. +* always use LDNS_MALLOC/FREE etc, or the new/free/deep_free functions +* buffer can scale, so don't alloc the max size, but the min size +* make lint (uses splint) is your friend + + +* Return values: + - status code (structure to fill is usually passed as a first argument) + - new/pointer: return pointer or NULL on error + - 'read' functions: ldns_status wire2thing(uint8_t *p, size_t max, + size_t pos, *thing); + - void functions like ldns_rr_free + - bool functions + +* Parameter sequence: (dest, [dest_meta, ] src, [src_meta] etc) +* structure/union field names start with _ when "private" +* enum for rcode, opcode, types etc, + example: + enum ldns_rcode { + LDNS_RCODE_OK = 0, + ... = ., + LDNS_RCODE_FIRST = LDNS_RCODE_OK, + LDNS_RCODE_LAST = 15, + LDNS_RCODE_COUNT = LDNS_RCODE_LAST + 1 + } +* Everything by reference, all data structures an optional _clone() function +* arrays: ps[] with size_t p_count for the number of elements +* _size for size in bytes +* _free and _clone copies perform deep free/copy. + +* Standard abbreviations, don't abbreviate other names: + + id = identity + rr = resource record + rrset = resource record set + rdata = resource data + rdf = resource data field + rcode = result code + qr = query/resource bit + aa = authoritative answer + tc = truncated + rd = recursion disabled + cd = checking disabled + ra = recursion available + ad = authentic data + qdcount = question section count + ancount = answer section count + nscount = authority section count + arcount = additional section count + +ldns- +* use exit(EXIT_FAILURE)/ exit(SUCCES) +* diff --git a/libs/ldns/doc/TODO b/libs/ldns/doc/TODO new file mode 100644 index 0000000000..52a408c8a4 --- /dev/null +++ b/libs/ldns/doc/TODO @@ -0,0 +1,19 @@ +TODO + +Features: +* Multi-line zone file parsing +* Configure option for not printing DNSSEC RR comments +* HMAC and MD5 without OpenSSL +* HIP RR support +* Parse 'search' attribute in /etc/resolv.conf +* Make use of automake (Bug #173) +* ./configure --with-tools --with-drill (Bug #264) +* Drill: print appropriate DS RRs (relates to Bug #355) +* ldns-signzone optout to be really optout + +Bugfixes: +* Bug #279: fix return values for net.h functions, and related: make return + values for functions that cannot return memory-failure today. Needs medium + version increase because of API change. +* Long out-standing packaging bugs (debian) +* Lazy ABI diff --git a/libs/ldns/doc/design.dox b/libs/ldns/doc/design.dox new file mode 100644 index 0000000000..a4cbeadb8f --- /dev/null +++ b/libs/ldns/doc/design.dox @@ -0,0 +1,124 @@ +/** \page design Design + +The following image shows the various modules of libdns and their +functionality. + +\image html libdnsoverview.png + +\section central_structures Central structures + + - \ref ldns_pkt A DNS Packet, which can contain a query, answers, and additional information. + - \ref ldns_rr A Resource Record, which holds a bit of information about a specific domain name. + - \ref ldns_rdf An RDATA field, every Resource Record contains one or more RDATA fields, depending on the type of RR. These are the 'basic types' of DNS data. + - \ref ldns_rr_list A list of resource records + - \ref ldns_zone A representation of a DNS Zone. + +The actual structure definitions are named \c ldns_struct_ which are all typedeffed to \c ldns_ + + +A DNS Resource record looks like this: + +
+nlnetlabs.nl.   600     IN      MX             10    open.nlnetlabs.nl.
+ \              \       \       \              \                     /
+  owner          ttl     class   type           \        rdf[]      /
+  (rdf)     (uint32_t) (rr_class) (rr_type)
+                                                 10          := rdf[0]
+                                                 open.nlnetlabs.nl. := rdf[1]
+
+ +* Owner: +The owner name is put in an \c ldns_rdf structure, which is a normal rdata field but always +has the type LDNS_RDF_TYPE_DNAME. + +An \ref ldns_rdf structure has 3 members; the size, the type of rdata and a void * +pointer to the data. The data is always in uncompressed wireformat. + +The RSH (rdata) is put in an array of rdf's (in this case 2). + +The entire resource record is put in a RR structure, which has +the fields described above (under the RR): + - owner (nlnetlabs.nl.) + - ttl (600) + - class (LDNS_RR_CLASS_IN: 'IN') + - type (LDNS_RR_TYPE_MX: 'MX') + - rd_count (2) + - rdata_fields[rd_count] + - rdf[0] (10) + - rdf[1] (open.nlnetlabs.nl.) + +* RR list structure: +An RR list structure is simply a structure with a counter +and an array of RR structures. Different kinds of RR's can +be grouped together this way. + +* RRset structure: +An RRset structure is an RR list structure, but its accessor +function checks if the \c ldns_rr structures in there are: + - from the same type + - have the same TTL + - have the same ownername + +This is the RFC definition of an RRset. + +* pkt structure: +A pkt structure consists out of a header structure where +packet specific flags are kept, TC, RD, IP from the server which +sent the packet, etc. +Further more it is divided in 4 sections: question, authority, answer +and additional. + +All four sections have the type RRlist that simply hold a list of RR's + + +\section wire_module Wire module and central structures Interface + +As the WIRE module takes care of the compression/decompression +it needs a buffer which holds all the binary DNS data. +All functions will operate on such a buffer to extract specific +information which is then stored in RR structures. + + +\section resolver_module Resolver module and central structures Interface + +The resolver module always returns a pkt structure. Either with +the answer or a SERVFAIL pkt. + +The exact function-call parameters have not yet been +decided on. + +Also the resolver module will need to access some of the +to_wire and from_wire function to creates ldn_pkt's from +the data it receives (arrow not drawn). + + +\section str_module str module and central structures Interface + +Convert to and from strings. This module could be used +to read in a zone file (list of RRs) and convert the text strings to +the format used by ldns. Or the other way around. + + +\section net_module Net module and resolver module interface + +The resolver module will get a packet and will mold it so that +it can be sent off to a nameserver. +It might need to interface with the wire module (arrow not drawn). + +\section Net module and OS/libc interface +OS/network calls will be used here. The Net module is the only part of +the library where the underlying OS matters. + +\section Client program ldns interface +Any client program will have access to +- Wire module +- Central structures +- Resolver module +- str module (arrow not drawn in the above figure) + +\section dnssec_module DNSSEC module +The DNSSEC types are handled in the RR module, but the crypto +routines are contained in this module. This module will depend +on OpenSSL for the crypto routines. + +*/ diff --git a/libs/ldns/doc/dns-lib-implementations b/libs/ldns/doc/dns-lib-implementations new file mode 100644 index 0000000000..18d01afb30 --- /dev/null +++ b/libs/ldns/doc/dns-lib-implementations @@ -0,0 +1,56 @@ +http://www.posadis.org/projects/poslib.php +Poslib DNS library - Default branch + +http://www.posadis.org/poslib?DokuWiki=2b00f9da090fb9d4ad3d6e98b9c2f61f + +Poslib is the C++ library for applications using the Domain Name System +that is used by all Posadis tools, including the Posadis DNS server and the +Zoneedit and Dnsquery tools. It consists of a library for creating client +applications using DNS, and a server library for DNS servers. + + +FireDNS Library +http://firestuff.org/projects/firedns +FireDNS Library +--------------- +(c) 2002 Ian Gulliver under the GNU Public License, Version 2. +See GPL for more details. + +From libfiredns(3): + +libfiredns is a library for handling asynchronous DNS +requests. It provides a very simple interface for sending +requests and parsing reponses, as well as low-timeout +blocking functions. libfiredns functions have much lower +timeouts than the stock functions and tend to be faster +because they send requests to all configured system +nameservers at the same time. + +If you have questions or comments, you can reach me at +ian@penguinhosting.net. + + + +skadns + + Skadns is Kind of an Asynchronous DNS client software. + + * Kind of: it's small. Really small. But it just works. + * Asynchronous: all DNS operations are non-blocking. + * DNS client software: it's a DNS client, what you may know as a "stub resolver". To perform full DNS resolution, you will still need a full resolver like dnscache. + + Similar work + + * ares is an asynchronous DNS resolver library with a nice interface + * and more configuration options than skadns (and a very reasonable + * size). Use it if you find that skadns lacks configurability (you + * shouldn't need more than it provides, but well, you're the user). + * Yet it doesn't hide the DNS internals as opaquely as skadns does, + * giving you a bunch of fds to select() on instead of just one. + * adns works fine, and is small for a GNU project. Impressive. But + * the interface is still too complex and much too generic - the + * usual problems with GNU software. + + +ADNS; documentation scares - is it still active +simular aims - different ways diff --git a/libs/ldns/doc/doxyparse.pl b/libs/ldns/doc/doxyparse.pl new file mode 100644 index 0000000000..218825fe1b --- /dev/null +++ b/libs/ldns/doc/doxyparse.pl @@ -0,0 +1,288 @@ +#!/usr/bin/perl + +# Doxygen is usefull for html documentation, but sucks +# in making manual pages. Still tool also parses the .h +# files with the doxygen documentation and creates +# the man page we want +# +# 2 way process +# 1. All the .h files are processed to create in file in which: +# filename | API | description | return values +# are documented +# 2. Another file is parsed which states which function should +# be grouped together in which manpage. Symlinks are also created. +# +# With this all in place, all documentation should be autogenerated +# from the doxydoc. + +use Getopt::Std; + +my $state; +my $description; +my $struct_description; +my $key; +my $return; +my $param; +my $api; +my $const; + +my %description; +my %api; +my %return; +my %options; +my %manpages; +my %see_also; + +my $BASE="doc/man"; +my $MAN_SECTION = "3"; +my $MAN_HEADER = ".TH ldns $MAN_SECTION \"30 May 2006\"\n"; +my $MAN_MIDDLE = ".SH AUTHOR +The ldns team at NLnet Labs. Which consists out of +Jelte Jansen and Miek Gieben. + +.SH REPORTING BUGS +Please report bugs to ldns-team\@nlnetlabs.nl or in +our bugzilla at +http://www.nlnetlabs.nl/bugs/index.html + +.SH COPYRIGHT +Copyright (c) 2004 - 2006 NLnet Labs. +.PP +Licensed under the BSD License. There is NO warranty; not even for +MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. +"; +my $MAN_FOOTER = ".SH REMARKS +This manpage was automaticly generated from the ldns source code by +use of Doxygen and some perl. +"; + +getopts("m:",\%options); +# if -m manpage file is given process that file +# parse the file which tells us what manpages go together +my $functions, $see_also; +if (defined $options{'m'}) { + # process + open(MAN, "<$options{'m'}") or die "Cannot open $options{'m'}"; + # it's line based: + # func1, func2, .. | see_also1, see_also2, ... + while() { + chomp; + if (/^#/) { next; } + if (/^$/) { next; } + ($functions, $see_also) = split /[\t ]*\|[\t ]*/, $_; + #print "{$functions}\n"; + #print "{$see_also}\n"; + my @funcs = split /[\t ]*,[\t ]*/, $functions; + my @also = split /[\t ]*,[\t ]*/, $see_also; + $manpages{$funcs[0]} = \@funcs; + $see_also{$funcs[0]} = \@also; + #print "[", $funcs[0], "]\n"; + } + close(MAN); +} else { + print "Need -m file to process the .h files\n"; + exit 1; +} + +# 0 - somewhere in the file +# 1 - in a doxygen par +# 2 - after doxygen, except funcion + +# create our pwd +mkdir "doc"; +mkdir "doc/man"; +mkdir "doc/man/man$MAN_SECTION"; + +$state = 0; +my $i; +my @lines = ; +my $max = @lines; + +while($i < $max) { + $typedef = ""; + if ($lines[$i] =~ /^typedef struct/ and $lines[$i + 1] =~ /^struct/) { + # move typedef to below struct + $typedef = $lines[$i]; + $j = $i; + while ($lines[$j] !~ /}/) { + $lines[$j] = $lines[$j+1]; + $j++; + } + $lines[$j] = $lines[$j+1]; + $lines[$j + 1] = $typedef; + } + + $cur_line = $lines[$i]; + chomp($cur_line); + if ($cur_line =~ /^\/\*\*[\t ]*$/) { + # /** Seen + #print "Comment seen! [$cur_line]\n"; + $state = 1; + undef $description; + undef $struct_description; + $i++; + next; + } + if ($cur_line =~ /\*\// and $state == 1) { + #print "END Comment seen!\n"; + $state = 2; + $i++; + next; + } + + if ($state == 1) { + # inside doxygen + $cur_line =~ s/\\/\\\\/g; + $cur_line =~ s/^[ \t]*\* ?//; + $description = $description . "\n" . $cur_line; + #$description = $description . "\n.br\n" . $cur_line; + } + if ($state == 2 and $cur_line =~ /const/) { + # the const word exists in the function call + #$const = "const"; + #s/[\t ]*const[\t ]*//; + } else { + #undef $const; + } + + if ($cur_line =~ /^INLINE/) { + $cur_line =~ s/^INLINE\s*//; + while ($cur_line !~ /{/) { + $i++; + $cur_line .= " ".$lines[$i]; + $cur_line =~ s/\n//; + } + $cur_line =~ s/{/;/; + } + + if ($cur_line =~ /^[^#*\/ ]([\w\*]+)[\t ]+(.*?)[({](.*)\s*/ and $state == 2) { + while ($cur_line !~ /\)\s*;/) { + $i++; + $cur_line .= $lines[$i]; + chomp($cur_line); + $cur_line =~ s/\n/ /g; + $cur_line =~ s/\s\s*/ /g; + } + $cur_line =~ /([\w\* ]+)[\t ]+(.*?)\((.*)\)\s*;/; + # this should also end the current comment parsing + $return = $1; + $key = $2; + $api = $3; + # sometimes the * is stuck to the function + # name instead to the return type + if ($key =~ /^\*/) { + #print"Name starts with *\n"; + $key =~ s/^\*//; + if (defined($const)) { + $return = $const . " " . $return . '*'; + } else { + $return = $return . '*'; + } + } + $description =~ s/\\param\[in\][ \t]*([\*\w]+)[ \t]+/.br\n\\fB$1\\fR: /g; + $description =~ s/\\param\[out\][ \t]*([\*\w]+)[ \t]+/.br\n\\fB$1\\fR: /g; + $description =~ s/\\return[ \t]*/.br\nReturns /g; + + $description{$key} = $description; + $api{$key} = $api; + $return{$key} = $return; + undef $description; + undef $struct_description; + $state = 0; + } elsif ($state == 2 and ( + $cur_line =~ /^typedef\sstruct\s(\w+)\s(\w+);/ or + $cur_line =~ /^typedef\senum\s(\w+)\s(\w+);/)) { + $struct_description .= "\n.br\n" . $cur_line; + $key = $2; + $struct_description =~ s/\/\*\*\s*(.*?)\s*\*\//\\fB$1:\\fR/g; + $description{$key} = $struct_description; + $api{$key} = "struct"; + $return{$key} = $1; + undef $description; + undef $struct_description; + $state = 0; + } else { + $struct_description .= "\n.br\n" . $cur_line; + } + $i++; +} + +# create the manpages +foreach (keys %manpages) { + $name = $manpages{$_}; + $also = $see_also{$_}; + + $filename = @$name[0]; + $filename = "$BASE/man$MAN_SECTION/$filename.$MAN_SECTION"; + + my $symlink_file = @$name[0] . "." . $MAN_SECTION; + +# print STDOUT $filename,"\n"; + open (MAN, ">$filename") or die "Can not open $filename"; + + print MAN $MAN_HEADER; + print MAN ".SH NAME\n"; + print MAN join ", ", @$name; + print MAN "\n\n"; + print MAN ".SH SYNOPSIS\n"; + + print MAN "#include \n.br\n"; + print MAN "#include \n.br\n"; + + print MAN ".PP\n"; + print MAN "#include \n"; + print MAN ".PP\n"; + + foreach (@$name) { + $b = $return{$_}; + $b =~ s/\s+$//; + if ($api{$_} ne "struct") { + print MAN $b, " ", $_; + print MAN "(", $api{$_},");\n"; + print MAN ".PP\n"; + } + } + + print MAN "\n.SH DESCRIPTION\n"; + foreach (@$name) { + print MAN ".HP\n"; + print MAN "\\fI", $_, "\\fR"; + if ($api{$_} ne "struct") { + print MAN "()"; + } +# print MAN ".br\n"; + print MAN $description{$_}; + print MAN "\n.PP\n"; + } + + print MAN $MAN_MIDDLE; + + if (defined(@$also)) { + print MAN "\n.SH SEE ALSO\n\\fI"; + print MAN join "\\fR, \\fI", @$also; + print MAN "\\fR.\nAnd "; + print MAN "\\fBperldoc Net::DNS\\fR, \\fBRFC1034\\fR, +\\fBRFC1035\\fR, \\fBRFC4033\\fR, \\fBRFC4034\\fR and \\fBRFC4035\\fR.\n"; + } else { + print MAN ".SH SEE ALSO +\\fBperldoc Net::DNS\\fR, \\fBRFC1034\\fR, +\\fBRFC1035\\fR, \\fBRFC4033\\fR, \\fBRFC4034\\fR and \\fBRFC4035\\fR.\n"; + } + + print MAN $MAN_FOOTER; + + # create symlinks + chdir("$BASE/man$MAN_SECTION"); + foreach (@$name) { + print STDERR $_,"\n"; + my $new_file = $_ . "." . $MAN_SECTION; + if ($new_file eq $symlink_file) { + next; + } + #print STDOUT "\t", $new_file, " -> ", $symlink_file, "\n"; + symlink $symlink_file, $new_file; + } + chdir("../../.."); # and back, tricky and fragile... + close(MAN); +} diff --git a/libs/ldns/doc/function_manpages b/libs/ldns/doc/function_manpages new file mode 100644 index 0000000000..15706fada5 --- /dev/null +++ b/libs/ldns/doc/function_manpages @@ -0,0 +1,223 @@ +# first function name will be the real name of the manpage +# other names are aliases (symlinks) +# all functions specified on the same line are included in the +# same manual page. We cannot deal with linebreaks! +# function named after the pipe `|' are put in the "see also" section + +# functions that must be included, separated by commas + +### host2wire.h +# conversion functions +ldns_rr2wire, ldns_pkt2wire, ldns_rdf2wire | ldns_wire2rr, ldns_wire2pkt, ldns_wire2rdf +# lower level conversions, some are from host2str.h +ldns_pkt2buffer_str, ldns_pktheader2buffer_str, ldns_rr2buffer_str, ldns_rr_list2buffer_str, ldns_rdf2buffer_str, ldns_key2buffer_str, ldns_pkt2buffer_wire, ldns_rr2buffer_wire, ldns_rdf2buffer_wire, ldns_rrsig2buffer_wire, ldns_rr_rdata2buffer_wire | ldns_pkt2str, ldns_rr2str, ldns_rdf2str, ldns_rr_list2str, ldns_key2str +### /host2wire.h + +### host2str.h +ldns_rr2str, ldns_pkt2str, ldns_rdf2str, ldns_rr_list2str, ldns_key2str | ldns_rr_print, ldns_rdf_print, ldns_pkt_print, ldns_rr_list_print, ldns_resolver_print, ldns_zone_print +ldns_rr_print, ldns_rdf_print, ldns_pkt_print, ldns_rr_list_print, ldns_resolver_print, ldns_zone_print | ldns_rr2str, ldns_rdf2str, ldns_pkt2str, ldns_rr_list2str, ldns_key2str +### /host2str.h + +### host2str.h +# and even lower +ldns_rdf2buffer_str_a, ldns_rdf2buffer_str_aaaa, ldns_rdf2buffer_str_str, ldns_rdf2buffer_str_b64, ldns_rdf2buffer_str_hex, ldns_rdf2buffer_str_type, ldns_rdf2buffer_str_class, ldns_rdf2buffer_str_alg, ldns_rdf2buffer_str_loc, ldns_rdf2buffer_str_unknown, ldns_rdf2buffer_str_nsap, ldns_rdf2buffer_str_wks, ldns_rdf2buffer_str_nsec, ldns_rdf2buffer_str_period, ldns_rdf2buffer_str_tsigtime, ldns_rdf2buffer_str_apl, ldns_rdf2buffer_str_int16_data, ldns_rdf2buffer_str_int16, ldns_rdf2buffer_str_ipseckey +### /host2str.h + +### wire2host.h +# wirefunctions +ldns_wire2rr, ldns_wire2pkt, ldns_wire2rdf, ldns_wire2dname | ldns_rr2wire, ldns_pkt2wire, ldns_rdf2wire, ldns_dname2wire +ldns_buffer2pkt_wire +### /wire2host.h + +### dname.h +ldns_dname_left_chop, ldns_dname_label_count | ldns_dname +ldns_dname2canonical | ldns_dname +ldns_dname_cat_clone, ldns_dname_cat | ldns_dname +ldns_dname_new, ldns_dname_new_frm_str, ldns_dname_new_frm_data | ldns_dname, ldns_pkt_query_new_frm_str, ldns_rdf_new_frm_str, ldns_rr_new_frm_str +ldns_dname_is_subdomain, ldns_dname_str_absolute, ldns_dname_label | ldns_dname +ldns_dname_compare, ldns_dname_interval | ldns_dname_is_subdomain | ldns_dname +ldns_dname | ldns_dname_left_chop, ldns_dname_label_count, ldns_dname2canonical, ldns_dname_cat, ldns_dname_cat_clone, ldns_dname_new, ldns_dname_new_frm_str, ldns_dname_new_frm_data, ldns_dname_is_subdomain, ldns_dname_str_absolute, ldns_dname_label, ldns_dname_compare, ldns_dname_interval +### /dname.h + +### rdata.h +ldns_rdf, ldns_rdf_type | ldns_rdf_set_size, ldns_rdf_set_type, ldns_rdf_set_data, ldns_rdf_size, ldns_rdf_get_type, ldns_rdf_data, ldns_rdf_compare, ldns_rdf_new, ldns_rdf_clone, ldns_rdf_new_frm_data, ldns_rdf_new_frm_str, ldns_rdf_new_frm_fp, ldns_rdf_free, ldns_rdf_deep_free, ldns_rdf_print, ldns_native2rdf_int8, ldns_native2rdf_int16, ldns_native2rdf_int32, ldns_native2rdf_int16_data, ldns_rdf2native_int8, ldns_rdf2native_int16, ldns_rdf2native_int32, ldns_rdf2native_sockaddr_storage, ldns_rdf2native_time_t, ldns_native2rdf_int8, ldns_native2rdf_int16, ldns_native2rdf_int32, ldns_native2rdf_int16_data, ldns_rdf2native_int8, ldns_rdf2native_int16, ldns_rdf2native_int32, ldns_rdf2native_sockaddr_storage, ldns_rdf2native_time_t, ldns_native2rdf_int8, ldns_native2rdf_int16, ldns_native2rdf_int32, ldns_native2rdf_int16_data, ldns_rdf2native_int8, ldns_rdf2native_int16, ldns_rdf2native_int32, ldns_rdf2native_sockaddr_storage, ldns_rdf2native_time_t +ldns_rdf_set_size, ldns_rdf_set_type, ldns_rdf_set_data | ldns_rdf +ldns_rdf_size, ldns_rdf_get_type, ldns_rdf_data, ldns_rdf_compare | ldns_rdf +ldns_rdf_new, ldns_rdf_clone, ldns_rdf_new_frm_data, ldns_rdf_new_frm_str, ldns_rdf_new_frm_fp, ldns_rdf_free, ldns_rdf_deep_free, ldns_rdf_print | ldns_rdf +ldns_native2rdf_int8, ldns_native2rdf_int16, ldns_native2rdf_int32, ldns_native2rdf_int16_data, ldns_rdf2native_int8, ldns_rdf2native_int16, ldns_rdf2native_int32, ldns_rdf2native_sockaddr_storage, ldns_rdf2native_time_t | ldns_rdf +ldns_rdf_address_reverse | ldns_rdf +ldns_octet | ldns_rdf +# why is this in rdata.h? +ldns_str2period +### /rdata.h + +### higher.h +ldns_get_rr_list_addr_by_name, ldns_get_rr_list_name_by_addr | ldns_rr_list, ldns_rr +ldns_get_rr_list_hosts_frm_fp, ldns_get_rr_list_hosts_frm_file | ldns_rr_list, ldns_rr, ldns_get_rr_list_hosts_frm_fp_l +ldns_get_rr_list_hosts_frm_fp_l | ldns_rr_list +ldns_getaddrinfo +### /higher.h + +# +### dnssec.h +# +ldns_calc_keytag, ldns_verify, ldns_verify_rrsig, ldns_verify_rrsig_dsa, ldns_verify_rrsig_rsasha1, ldns_verify_rrsig_rsamd5, ldns_key_rr2ds, ldns_key_buf2dsa, ldns_key_buf2rsa | ldns_key, ldns_sign_public, ldns_zone_sign, ldns_verify, ldns_verify_rrsig + +# algs +ldns_verify_rrsig_dsa, ldns_verify_rrsig_rsasha1, ldns_verify_rrsig_rsamd5 | ldns_key, ldns_sign_public, ldns_zone_sign, ldns_verify, ldns_verify_rrsig + +# tsig +ldns_pkt_tsig_verify, ldns_pkt_tsig_sign | ldns_key + +# verify +ldns_verify, ldns_verify_rrsig, ldns_verify_rrsig_keylist, ldns_verify_rrsig_keylist_notime, ldns_verify_notime | ldns_verify_rrsig_evp | ldns_verify_rrsig_dsa, ldns_verify_rrsig_rsasha1, ldns_verify_rrsig_rsamd5, ldns_sign_public, ldns_zone_sign, ldns_key + +# convert +ldns_key_buf2dsa, ldns_key_buf2rsa | ldns_key_rr2ds +ldns_key_rr2ds | ldns_key +ldns_create_nsec | ldns_sign_public + +# signing +ldns_sign_public | ldns_sign_public_dsa, ldns_sign_public_rsamd5, ldns_sign_public_rsasha1, ldns_verify, ldns_verify_rrsig, ldns_key +ldns_sign_public_dsa, ldns_sign_public_rsamd5, ldns_sign_public_rsasha1 | ldns_sign_public +ldns_dnssec_zone_sign, ldns_dnssec_zone_sign_nsec3 | ldns_zone_sign, ldns_zone_sign_nsec3 | ldns_sign_public, ldns_key, ldns_init_random +ldns_init_random | ldns_sign_public, ldns_key +ldns_pkt_verify | ldns_verify, ldns_sign_public, ldns_zone_sign + +# new family of dnssec functions +ldns_dnssec_zone, ldns_dnssec_name, ldns_dnssec_rrs, ldns_dnssec_rrsets | ldns_dnssec_zone_new, ldns_dnssec_name_new, ldns_dnssec_rrs_new, ldns_dnssec_rrsets_new +ldns_dnssec_zone_find_rrset, ldns_dnssec_zone_new, ldns_dnssec_zone_free, ldns_dnssec_zone_add_rr, ldns_dnssec_zone_names_print, ldns_dnssec_zone_print, ldns_dnssec_zone_add_empty_nonterminals | ldns_dnssec_zone +ldns_dnssec_name_new, ldns_dnssec_name_new_frm_rr, ldns_dnssec_name_free, ldns_dnssec_name_name, ldns_dnssec_name_set_name, ldns_dnssec_name_set_nsec, ldns_dnssec_name_cmp, ldns_dnssec_name_add_rr, ldns_dnssec_name_find_rrset, ldns_dnssec_name_print | ldns_dnssec_zone +ldns_dnssec_rrsets_new, ldns_dnssec_rrsets_free, ldns_dnssec_rrsets_type, ldns_dnssec_rrsets_set_type, ldns_dnssec_rrsets_add_rr, ldns_dnssec_rrsets_print | ldns_dnssec_zone +ldns_dnssec_rrs_new, ldns_dnssec_rrs_free, ldns_dnssec_rrs_add_rr, ldns_dnssec_rrs_print | ldns_dnssec_zone + +# verification +ldns_dnssec_data_chain, ldns_dnssec_data_chain_struct, ldns_dnssec_trust_tree | ldns_dnssec_data_chain_new, ldns_dnssec_trust_tree_new, ldns_dnssec_verify_denial +ldns_dnssec_data_chain_new, ldns_dnssec_data_chain_free, ldns_dnssec_data_chain_deep_free, ldns_dnssec_build_data_chain, ldns_dnssec_data_chain_print | ldns_dnssec_data_chain +ldns_dnssec_trust_tree_new, ldns_dnssec_trust_tree_free, ldns_dnssec_trust_tree_depth, ldns_dnssec_derive_trust_tree, ldns_dnssec_trust_tree_contains_keys, ldns_dnssec_trust_tree_print, ldns_dnssec_trust_tree_print_sm, ldns_dnssec_trust_tree_add_parent, ldns_dnssec_derive_trust_tree_normal_rrset, ldns_dnssec_derive_trust_tree_dnskey_rrset, ldns_dnssec_derive_trust_tree_ds_rrset, ldns_dnssec_derive_trust_tree_no_sig | ldns_dnssec_data_chain, ldns_dnssec_trust_tree +ldns_dnssec_verify_denial, ldns_dnssec_verify_denial_nsec3 | ldns_dnssec_trust_tree, ldns_dnssec_data_chain + +# new signing functions +ldns_dnssec_zone_sign, ldns_dnssec_zone_sign_nsec3, ldns_dnssec_zone_mark_glue, ldns_dnssec_name_node_next_nonglue, ldns_dnssec_zone_create_nsecs, ldns_dnssec_remove_signatures, ldns_dnssec_zone_create_rrsigs | ldns_dnssec_zone + +### /dnssec.h + +### dnskey.h +ldns_key_new | ldns_key, ldns_key_list_new +ldns_key_new_frm_algorithm, ldns_key_new_frm_fp, ldns_key_new_frm_fp_l | ldns_key +ldns_key_new_frm_fp_rsa, ldns_key_new_frm_fp_rsa_l | ldns_key_new_frm_fp, ldns_key +ldns_key_new_frm_fp_dsa, ldns_key_new_frm_fp_dsa_l | ldns_key_new_frm_fp, ldns_key +ldns_key_list_new | ldns_key_new, ldns_key +# access, write +ldns_key_set_algorithm, ldns_key_set_rsa_key, ldns_key_set_dsa_key, ldns_key_set_hmac_key, ldns_key_set_origttl, ldns_key_set_inception, ldns_key_set_expiration, ldns_key_set_pubkey_owner, ldns_key_set_keytag, ldns_key_set_flags, ldns_key_list_set_key_count, ldns_key_algo_supported | ldns_key_push_key, ldns_key +ldns_key_list_push_key | ldns_key_list_pop_key, ldns_key +ldns_key_list_pop_key | ldns_key_list_push_key, ldns_key +# access, read +ldns_key_list_key_count, ldns_key_list_key, ldns_key_rsa_key, ldns_key_dsa_key, ldns_key_algorithm, ldns_key_hmac_key, ldns_key_origttl, ldns_key_inception, ldns_key_expiration, ldns_key_keytag, ldns_key_pubkey_owner, ldns_key_flags | ldns_key +# convert +ldns_key2rr | ldns_key +ldns_key_free, ldns_key_deep_free, ldns_key_list_free | ldns_key +# +ldns_key_print | ldns_key_new, ldns_key +ldns_key | ldns_key_new, ldns_key_new_frm_algorithm,ldns_key_new_frm_fp,ldns_key_new_frm_fp_l, ldns_key_new_frm_fp_rsa, ldns_key_new_frm_fp_rsa_l, ldns_key_new_frm_fp_dsa, ldns_key_new_frm_fp_dsa_l, ldns_key_list_new, ldns_key_set_algorithm, ldns_key_set_rsa_key, ldns_key_set_dsa_key, ldns_key_set_hmac_key, ldns_key_set_origttl, ldns_key_set_inception, ldns_key_set_expiration, ldns_key_set_pubkey_owner, ldns_key_set_keytag, ldns_key_set_flags, ldns_key_list_set_key_count, ldns_key_list_push_key, ldns_key_list_pop_key, ldns_key_list_key_count, ldns_key_list_key, ldns_key_rsa_key, ldns_key_dsa_key, ldns_key_algorithm, ldns_key_hmac_key, ldns_key_origttl, ldns_key_inception, ldns_key_expiration, ldns_key_keytag, ldns_key_pubkey_owner, ldns_key_flags, ldns_key2rr, ldns_key_free, ldns_key_deep_free, ldns_key_list_free, ldns_key_print +### /dnskey.h + +### MIEK TOT HIER TOT HIER + +# lists +ldns_key_list_new, ldns_key_list_push_key, ldns_key_list_pop_key, ldns_key_list_key_count, ldns_key_list_key | ldns_key_list, ldns_key +ldns_key_rsa_key, ldns_key_dsa_key, ldns_key_algorithm, ldns_key_hmac_key | ldns_key_list, ldns_key + +# gets/sets +ldns_key_origttl, ldns_key_inception, ldns_key_expiration, ldns_key_keytag, ldns_key_pubkey_owner, ldns_key_flags | ldns_key +ldns_key_set_algorithm, ldns_key_set_rsa_key, ldns_key_set_dsa_key, ldns_key_set_hmac_key, ldns_key_set_origttl, ldns_key_set_inception, ldns_key_set_expiration, ldns_key_set_pubkey_owner, ldns_key_set_keytag, ldns_key_set_flags, ldns_key_list_set_key_count | ldns_key + +# errr.h +ldns_get_errorstr_by_id | ldns_status +ldns_status | ldns_get_errorstr_by_id + +### net.h +ldns_send | ldns_pkt, ldns_resolver +ldns_tcp_send_query, ldns_tcp_read_wire, ldns_tcp_connect | ldns_send, ldns_pkt, ldns_resolver +### /net.h + +### buffer.h +# general +ldns_buffer | ldns_buffer_new, ldns_buffer_new_frm_data, ldns_buffer_clear, ldns_buffer_printf, ldns_buffer_free, ldns_buffer_export, ldns_buffer_flip, ldns_buffer_rewind, ldns_buffer_position, ldns_buffer_set_position, ldns_buffer_skip, ldns_buffer_limit, ldns_buffer_set_limit, ldns_buffer_capacity, ldns_buffer_set_capacity, ldns_buffer_reserve, ldns_buffer_at, ldns_buffer_begin, ldns_buffer_end, ldns_buffer_current, ldns_buffer_remaining_at, ldns_buffer_remaining, ldns_buffer_available_at, ldns_buffer_available, ldns_buffer_status, ldns_buffer_status_ok, ldns_buffer_write_at, ldns_buffer_write_at, ldns_buffer_write, ldns_buffer_write_string_at, ldns_buffer_write_string, ldns_buffer_write_u8_at, ldns_buffer_write_u8, ldns_buffer_write_u16_at, ldns_buffer_write_u16, ldns_buffer_read_at, ldns_buffer_read, ldns_buffer_read_u8_at, ldns_buffer_read_u8, ldns_buffer_read_u16_at, ldns_buffer_read_u16, ldns_buffer_read_u32_at, ldns_buffer_read_u32 +ldns_buffer_new, ldns_buffer_new_frm_data, ldns_buffer_clear, ldns_buffer_printf, ldns_buffer_free, ldns_buffer_export | ldns_buffer +# position +ldns_buffer_flip, ldns_buffer_rewind, ldns_buffer_position, ldns_buffer_set_position, ldns_buffer_skip | ldns_buffer +# values and pointers +ldns_buffer_limit, ldns_buffer_set_limit, ldns_buffer_capacity, ldns_buffer_set_capacity, ldns_buffer_reserve, ldns_buffer_at, ldns_buffer_begin, ldns_buffer_end, ldns_buffer_current | ldns_buffer +# info +ldns_buffer_remaining_at, ldns_buffer_remaining, ldns_buffer_available_at, ldns_buffer_available, ldns_buffer_status, ldns_buffer_status_ok | ldns_buffer +# read and write +ldns_buffer_write_at, ldns_buffer_write_at, ldns_buffer_write, ldns_buffer_write_string_at, ldns_buffer_write_string, ldns_buffer_write_u8_at, ldns_buffer_write_u8, ldns_buffer_write_u16_at, ldns_buffer_write_u16, ldns_buffer_read_at, ldns_buffer_read, ldns_buffer_read_u8_at, ldns_buffer_read_u8, ldns_buffer_read_u16_at, ldns_buffer_read_u16, ldns_buffer_read_u32_at, ldns_buffer_read_u32 | ldns_buffer +### /buffer.h + +# parse.h +ldns_bget_token, ldns_bgetc, ldns_bskipcs | ldns_buffer +ldns_fget_token, ldns_fskipcs | ldns_buffer +ldns_str_remove_comment + + +# rr.h and other general rr funcs +ldns_rr, ldns_rr_class, ldns_rr_type, ldns_rr_compress, ldns_rr_list | ldns_rr_new, ldns_rr_new_frm_type, ldns_rr_new_frm_str, ldns_rr_new_frm_fp, ldns_rr_free, ldns_rr_print, ldns_rr_set_owner, ldns_rr_set_ttl, ldns_rr_set_type, ldns_rr_set_rd_count, ldns_rr_set_class, ldns_rr_set_rdf, ldns_rr_push_rdf, ldns_rr_pop_rdf, ldns_rr_rdf, ldns_rr_owner, ldns_rr_rd_count, ldns_rr_ttl, ldns_rr_get_class, ldns_rr_list_rr_count, ldns_rr_list_set_rr_count, ldns_rr_list_new, ldns_rr_list_free, ldns_rr_list_cat, ldns_rr_list_push_rr, ldns_rr_list_pop_rr, ldns_is_rrset, ldns_rr_set_push_rr, ldns_rr_set_pop_rr, ldns_get_rr_class_by_name, ldns_get_rr_type_by_name, ldns_rr_list_clone, ldns_rr_list_sort, ldns_rr_compare, ldns_rr_compare_ds, ldns_rr_uncompressed_size, ldns_rr2canonical, ldns_rr_label_count, ldns_is_rrset, ldns_rr_descriptor, ldns_rr_descript +ldns_rr_new, ldns_rr_new_frm_type, ldns_rr_new_frm_str, ldns_rr_new_frm_fp, ldns_rr_free, ldns_rr_print | ldns_rr, ldns_rr_list +ldns_rr_set_owner, ldns_rr_set_ttl, ldns_rr_set_type, ldns_rr_set_rd_count, ldns_rr_set_class, ldns_rr_set_rdf | ldns_rr, ldns_rr_list +ldns_rr_push_rdf, ldns_rr_pop_rdf | ldns_rr, ldns_rr_list +ldns_rr_rdf, ldns_rr_owner, ldns_rr_rd_count, ldns_rr_ttl, ldns_rr_get_class | ldns_rr, ldns_rr_list +ldns_rr_list_rr_count, ldns_rr_list_set_rr_count | ldns_rr, ldns_rr_list +ldns_rr_list_new, ldns_rr_list_free | ldns_rr, ldns_rr_list +ldns_rr_list_cat, ldns_rr_list_push_rr, ldns_rr_list_pop_rr | ldns_rr, ldns_rr_list +ldns_is_rrset | ldns_rr, ldns_rr_list +ldns_rr_set_push_rr, ldns_rr_set_pop_rr | ldns_rr, ldns_rr_list +ldns_get_rr_class_by_name, ldns_get_rr_type_by_name | ldns_rr, ldns_rr_list +ldns_rr_list_clone | ldns_rr, ldns_rr_list +ldns_rr_list_sort | ldns_rr, ldns_rr_list +ldns_rr_compare, ldns_rr_compare_ds | ldns_rr, ldns_rr_list +ldns_rr_uncompressed_size | ldns_rr, ldns_rr_list +ldns_rr2canonical | ldns_rr, ldns_rr_list +ldns_rr_label_count | ldns_rr, ldns_rr_list +ldns_is_rrset | ldns_rr + +# rr descriptors +ldns_rr_descriptor, ldns_rr_descript, ldns_rr_descriptor_minimum, ldns_rr_descriptor_maximum, ldns_rr_descriptor_field_type | ldns_rr, ldns_rdf + +# packet.h +ldns_pkt, ldns_pkt_section, ldns_pkt_type | ldns_pkt_new, ldns_pkt_free, ldns_pkt_print, ldns_pkt_query_new, ldns_pkt_query_new_frm_str, ldns_pkt_reply_type, ldns_pkt_id, ldns_pkt_qr, ldns_pkt_aa, ldns_pkt_tc, ldns_pkt_rd, ldns_pkt_cd, ldns_pkt_ra, ldns_pkt_ad, ldns_pkt_get_opcode, ldns_pkt_get_rcode, ldns_pkt_qdcount, ldns_pkt_ancount, ldns_pkt_nscount, ldns_pkt_arcount, ldns_pkt_answerfrom, ldns_pkt_querytime, ldns_pkt_size, ldns_pkt_tsig, ldns_pkt_question, ldns_pkt_answer, ldns_pkt_authority, ldns_pkt_additional, ldns_pkt_get_section_clone, ldns_pkt_rr_list_by_name, ldns_pkt_rr_list_by_type, ldns_pkt_rr_list_by_name_and_type, ldns_pkt_set_flags, ldns_pkt_set_id, ldns_pkt_set_qr, ldns_pkt_set_aa, ldns_pkt_set_tc, ldns_pkt_set_rd, ldns_pkt_set_cd, ldns_pkt_set_ra, ldns_pkt_set_ad, ldns_pkt_set_opcode, ldns_pkt_set_rcode, ldns_pkt_set_qdcount, ldns_pkt_set_ancount, ldns_pkt_set_nscount, ldns_pkt_set_arcount, ldns_pkt_set_answerfrom, ldns_pkt_set_querytime, ldns_pkt_set_size, ldns_pkt_set_section_count, ldns_pkt_set_tsig, ldns_pkt_edns, ldns_pkt_edns_udp_size, ldns_pkt_edns_extended_rcode, ldns_pkt_edns_version, ldns_pkt_edns_z, ldns_pkt_edns_data, ldns_pkt_set_edns_udp_size, ldns_pkt_set_edns_extended_rcode, ldns_pkt_set_edns_version, ldns_pkt_set_edns_z, ldns_pkt_set_edns_data + +ldns_pkt_new, ldns_pkt_free, ldns_pkt_print, ldns_pkt_query_new, ldns_pkt_query_new_frm_str, ldns_pkt_reply_type | ldns_pkt +# gets +ldns_pkt_id, ldns_pkt_qr, ldns_pkt_aa, ldns_pkt_tc, ldns_pkt_rd, ldns_pkt_cd, ldns_pkt_ra, ldns_pkt_ad, ldns_pkt_get_opcode, ldns_pkt_get_rcode, ldns_pkt_qdcount, ldns_pkt_ancount, ldns_pkt_nscount, ldns_pkt_arcount, ldns_pkt_answerfrom, ldns_pkt_querytime, ldns_pkt_size, ldns_pkt_tsig, ldns_pkt_question, ldns_pkt_answer, ldns_pkt_authority, ldns_pkt_additional, ldns_pkt_get_section_clone, ldns_pkt_rr_list_by_name, ldns_pkt_rr_list_by_type, ldns_pkt_rr_list_by_name_and_type | ldns_pkt +# sets +ldns_pkt_set_flags, ldns_pkt_set_id, ldns_pkt_set_qr, ldns_pkt_set_aa, ldns_pkt_set_tc, ldns_pkt_set_rd, ldns_pkt_set_cd, ldns_pkt_set_ra, ldns_pkt_set_ad, ldns_pkt_set_opcode, ldns_pkt_set_rcode, ldns_pkt_set_qdcount, ldns_pkt_set_ancount, ldns_pkt_set_nscount, ldns_pkt_set_arcount, ldns_pkt_set_answerfrom, ldns_pkt_set_querytime, ldns_pkt_set_size, ldns_pkt_set_section_count, ldns_pkt_set_tsig | ldns_pkt +# EDNS0 +ldns_pkt_edns, ldns_pkt_edns_udp_size, ldns_pkt_edns_extended_rcode, ldns_pkt_edns_version, ldns_pkt_edns_z, ldns_pkt_edns_data, ldns_pkt_set_edns_udp_size, ldns_pkt_set_edns_extended_rcode, ldns_pkt_set_edns_version, ldns_pkt_set_edns_z, ldns_pkt_set_edns_data | ldns_pkt + +# rr_functions.h +ldns_rr_ns_nsdname +# +ldns_rr_mx_preference, ldns_rr_mx_exchange +# +ldns_rr_rrsig_typecovered, ldns_rr_rrsig_set_typecovered, ldns_rr_rrsig_algorithm, ldns_rr_rrsig_set_algorithm, ldns_rr_rrsig_labels, ldns_rr_rrsig_set_labels, ldns_rr_rrsig_origttl, ldns_rr_rrsig_set_origttl, ldns_rr_rrsig_expiration, ldns_rr_rrsig_set_expiration, ldns_rr_rrsig_inception, ldns_rr_rrsig_set_inception, ldns_rr_rrsig_keytag, ldns_rr_rrsig_set_keytag, ldns_rr_rrsig_signame, ldns_rr_rrsig_set_signame, ldns_rr_rrsig_sig, ldns_rr_rrsig_set_sig +# +ldns_rr_dnskey_flags, ldns_rr_dnskey_set_flags, ldns_rr_dnskey_protocol, ldns_rr_dnskey_set_protocol, ldns_rr_dnskey_algorithm, ldns_rr_dnskey_set_algorithm, ldns_rr_dnskey_key, ldns_rr_dnskey_set_key | ldns_rr + +### zone.h +ldns_zone | ldns_zone_new, ldns_zone_deep_free, ldns_zone_new_frm_fp, ldns_zone_new_frm_fp_l, ldns_zone_sort, ldns_zone_glue_rr_list, ldns_zone_push_rr, ldns_zone_push_rr_list, ldns_zone_set_rrs, ldns_zone_set_soa, ldns_zone_rrs, ldns_zone_soa, ldns_zone_rr_count, + + +ldns_zone_new, ldns_zone_deep_free, ldns_zone_new_frm_fp, ldns_zone_new_frm_fp_l | ldns_zone +ldns_zone_sort, ldns_zone_glue_rr_list | ldns_zone +ldns_zone_push_rr, ldns_zone_push_rr_list | ldns_zone +ldns_zone_set_rrs, ldns_zone_set_soa | ldns_zone, ldns_zone_rrs, ldns_zone_soa +ldns_zone_rrs, ldns_zone_soa | ldns_zone ldns_zone_set_rrs +ldns_zone_rr_count | ldns_zone + +### update.h +ldns_update_pkt_new | ldns_update_pkt_tsig_add, ldns_update_pkt_tsig_add, ldns_update_zocount, ldns_update_prcount, ldns_update_upcount, ldns_update_adcount, ldns_update_set_zocount, ldns_update_set_prcount, ldns_update_set_upcount, 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central structures - + pkt structurerdf structuredname structurerr structurerrlist structurerrset structurepkt structurezone structure + + + - resolver module - + stub resolversendquerybgsendaxfr + + + - net module - + all network interfacing code + + - OS/libc layer - + + str module + from_str to_str- convert from and to string- dig-style formatted output + + + DNSSEC module + signverify + + + + + + + + + + diff --git a/libs/ldns/doc/libdns.css b/libs/ldns/doc/libdns.css new file mode 100644 index 0000000000..2d2f385863 --- /dev/null +++ b/libs/ldns/doc/libdns.css @@ -0,0 +1,425 @@ +BODY,H1,H2,H3,H4,H5,H6,P,CENTER,TD,TH,UL,DL,DIV { + font-family: Geneva, Arial, Helvetica, sans-serif; +} +BODY,TD { + font-size: 90%; +} +H1 { +text-align: center; + font-size: 160%; +} +H2 { + font-size: 120%; +} +H3 { + font-size: 100%; +} +CAPTION { font-weight: bold } +DIV.qindex { + width: 100%; + background-color: #e8eef2; + border: 1px solid #84c7b0; + text-align: center; + margin: 2px; + padding: 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repeat-x bottom; + margin-bottom : 4px; +} + +DIV.tabs UL +{ + margin : 0px; + padding-left : 10px; + list-style : none; +} + +DIV.tabs LI, DIV.tabs FORM +{ + display : inline; + margin : 0px; + padding : 0px; +} + +DIV.tabs FORM +{ + float : right; +} + +DIV.tabs A +{ + float : left; + background : url("tab_r.gif") no-repeat right top; + border-bottom : 1px solid #84C7B0; + font-size : x-small; + font-weight : bold; + text-decoration : none; +} + +DIV.tabs A:hover +{ + background-position: 100% -150px; +} + +DIV.tabs A:link, DIV.tabs A:visited, +DIV.tabs A:active, DIV.tabs A:hover +{ + color: #1b7159; +} + +DIV.tabs SPAN +{ + float : left; + display : block; + background : url("tab_l.gif") no-repeat left top; + padding : 5px 9px; + white-space : nowrap; +} + +DIV.tabs INPUT +{ + float : right; + display : inline; + font-size : 1em; +} + +DIV.tabs TD +{ + font-size : x-small; + font-weight : bold; + text-decoration : none; +} + + + +/* Commented Backslash Hack hides rule from IE5-Mac \*/ +DIV.tabs SPAN {float : none;} +/* End IE5-Mac hack */ + +DIV.tabs A:hover SPAN +{ + background-position: 0% -150px; +} + +DIV.tabs LI#current A +{ + background-position: 100% -150px; + border-width : 0px; +} + +DIV.tabs LI#current SPAN +{ + background-position: 0% -150px; + padding-bottom : 6px; +} + +DIV.nav +{ + background : none; + border : none; + border-bottom : 1px solid #84C7B0; +} + +.logo +{ + text-align: right; +} diff --git a/libs/ldns/doc/tutorial1_mx.dox b/libs/ldns/doc/tutorial1_mx.dox new file mode 100644 index 0000000000..f442e7f501 --- /dev/null +++ b/libs/ldns/doc/tutorial1_mx.dox @@ -0,0 +1,98 @@ +/** + \page tutorial1_mx Tutorial 1: Querying for MX records + \dontinclude ldns-mx.c + + The full source code can be found in \link examples/ldns-mx.c \endlink + + ldns-mx is a simple tool that queries your default caching forwarder for + the MX (Mail exchange) record of the given domain. + + 

+   % ldns-mx nlnetlabs.nl
+   nlnetlabs.nl.   86400   IN      MX      100 omval.tednet.nl.
+   nlnetlabs.nl.   86400   IN      MX      50 open.nlnetlabs.nl.
+
+ + First of all, we need to include the correct header files, so + that all functions are available to us: + + \skip include + \until dns.h + + In this case we have used a configure script to generate a config.h file + that does all our inclusions for us, so that it can be compiled on + multiple platforms. If your platform supports the include files \c + stdint.h and \c stdlib.h, you can include these instead of using a + configure script. + + The first included files are prerequisites that ldns needs to function. + The last one, of course, includes the functions of ldns itself. + + In our main function, we declare some variables that we are going to use: + + \skipline ldns_resolver + \until ldns_status + + - The \c ldns_resolver structure keeps a list of nameservers, and can perform queries for us + - An \c ldns_rdf is a basic data type of dns, the RDATA. See \ref design for a description about the building blocks of DNS. + In this case, \c domain will be used to store the name the user specifies when calling the program + - An \c ldns_pkt is a DNS packet, for instance a complete query, or an answer + - The \c ldns_rr_list structure contains a list of DNS Resource Records (RRs). In this case, we will store the MX records we find in the list. + - \c ldns_status is the basic type for status messages in ldns. Most functions will return a value of this type. + + First, we parse the command line argument (checks omitted on this page, see full source code), and store it in our \c domain variable: + \skipline ldns_dname_new_frm_str + + This function takes a string containing a domain name (like + "nlnetlabs.nl") and returns an \c ldns_rdf representing that name. If + somehow the given string can not be parsed it returns NULL. + + Then, we create the resolver structure: + \skipline ldns_resolver_new + + Most of the functions work like this, the first argument is a pointer to + the structure where ldns should store its results (which is also a + pointer). The function returns a status code indicating success + (\ref LDNS_STATUS_OK) or an error number. Remember that these types of + functions allocate memory that you should free later (using the + ldns_free_ functions). + + The second argument is the filename that contains information about the + resolver structure that is to be created. If this argument is NULL, + /etc/resolv.conf is used. The syntax of the file is like that of + /etc/resolv.conf. + + + + We tell the resolver to query for our domain, type MX, of class IN: + \skipline ldns_resolver_query + \until ) + + The last argument contains flags to influence the type of query the + resolver structure sends. In this case, we want the nameserver to use + recursion, so that we'll get the final answer. Therefore, we specify the + \ref LDNS_RD (Recursion Desired) flag. + + This should return a packet if everything goes well. + + We get all RRs of type MX from the answer packet and store them in our list: + \skipline ldns_pkt_rr_list_by_type + \until ) + + If this list is not empty, we sort and print it: + \skipline ldns_rr_list_sort + \skipline ldns_rr_list_print + + And finally, just to be proper, we free our allocated data: + \skipline free( + \until resolver_deep_free + + For structures that can contain other ldns structures, there are two types of free() function available + - \c ldns_free_ frees only the allocated data for the structure itself. + - \c ldns_deep_free_ frees the structure, and ALL structures that + are nested in it. For example, of you \c deep_free an ldns_rr_list, + all \c ldns_rr structures that were present in the list are also + freed. + + +*/ diff --git a/libs/ldns/doc/tutorial2_zone.dox b/libs/ldns/doc/tutorial2_zone.dox new file mode 100644 index 0000000000..680ccb46a3 --- /dev/null +++ b/libs/ldns/doc/tutorial2_zone.dox @@ -0,0 +1,111 @@ +/** + \page tutorial2_zone Tutorial 2: Reading a zone file + \dontinclude ldns-read-zone.c + + The full source code can be found in \link examples/ldns-read-zone.c \endlink + + ldns-read-zone reads a zone file, and prints it to stdout, with 1 resource record per line. + + 
+% cat example.zone
+$ORIGIN example.
+$TTL 600
+
+example.        IN SOA  example. op.example. (
+                                2004022501 ; serial
+                                28800      ; refresh (8 hours)
+                                7200       ; retry (2 hours)
+                                604800     ; expire (1 week)
+                                18000      ; minimum (5 hours)
+                                )
+
+@       IN      MX      10 mail.example.
+@       IN      NS      ns1
+@       IN      NS      ns2
+@       IN      A       123.123.123.123
+
+% ldns-read-zone example.zone
+example.        600     IN      SOA     example. op.example. 2004022501 28800 7200 604800 18000
+example.        600     IN      MX      10 mail.example.
+example.        600     IN      NS      ns1.example.
+example.        600     IN      NS      ns2.example.
+example.        600     IN      A       123.123.123.123
+
+ + + +Again, let's start with including some necessary header files: + +\skipline include +\until errno + +In this example, we are going to open a file, if that fails, we'll need errno.h to display an error message. + +Okay, let's declare the variables we are going to need today: + +\skipline filename +\until ldns_status + +The only two ldns-specific types here are \c ldns_zone and \c ldns_status. + - \c ldns_zone is the structure that can contain a complete zone + - \c ldns_status again is used to check return values of ldns functions + + +If we get no filename, we'll read standard input, otherwise, we'll try to +open the given filename: +\skipline if (argc == 0) +\until exit(EXIT_FAILURE) +\until } +\until } + + +With the \c FILE pointer in our hands, we visit ldns to pour it into a zone +structure: +\skipline ldns_zone_new_frm_fp_l + +There is also a \c ldns_zone_new_frm_fp, but this one also remembers the +line number it was on, so we can use that if we encounter a parse error. + +Just like in \ref tutorial1_mx, the first argument is a pointer +to the place ldns should store its creation in, and again, the return value +is the status code. + +The second argument is the file pointer where our zone data should reside. + +The third argument, if not NULL, is a \c dname that contains the zones +origin. It will place this dname after every name in the file that is not a +fully qualified domain name. + +The fourth argument, if not 0, is the default TTL to use. + +Both these values can be specified in the zone file by setting \c $ORIGIN and \c $TTL. + +The fifth argument specifies the default class, which defaults to IN (\ref LDNS_RR_CLASS_IN). + +And finally, every time \c ldns_zone_new_frm_fp_l reads a line from the +input file pointer, it will increment the value pointed to by the last +argument with 1. + + +Okay, with that, we should have a nice zone structure. Of course we need to +check whether it has succeeded. + +\skipline LDNS_STATUS_OK +\until deep_free + +If everything went well, we sort the zone if necessary, print it, and free it. + +Since \c ldns_zone contains other ldns structures, we use \c ldns_deep_free +so that every \c ldns_rr_list, \c ldns_rr et cetera are freed too. + +\until line_nr); +\until } + +If something went wrong, we use \c ldns_get_errorstr_by_id() to get a nice +error string instead of just a status integer. + +And of course, we should play nice and close the file: +\skipline fclose +\until exit + +*/ diff --git a/libs/ldns/doc/tutorial3_signzone.dox b/libs/ldns/doc/tutorial3_signzone.dox new file mode 100644 index 0000000000..1943e557ae --- /dev/null +++ b/libs/ldns/doc/tutorial3_signzone.dox @@ -0,0 +1,206 @@ +/** + \page tutorial3_signzone Tutorial 3: Signing a zone file + \dontinclude ldns-signzone.c + + The full source code can be found in \link examples/ldns-signzone.c \endlink + + Of course, we start by the usual includes. Since we need a bit more here, + we'll add those right away. + + \skipline include + \until define + + Let's skip the boring usage() and sanity check functions, and dive right + into main(). + + \skipline main(int argc + \skipline { + + We'll be reading another zone file, so let's prepare some variables for that. + + \skipline zone + \until argi + + We will create a separate zone structure for the signed zone, so let's have a clear name for the original one. + + \skipline zone + \until zone + + To sign a zone, we need keys, so we need some variables to read and store it; + + \skipline key + \until status + + The \ref ldns_key structure holds (private) keys. These can be of any + supported algorithm type; you can put an RSA key in it, an DSA key, or an + HMAC key. Public keys can simply be put in an \ref ldns_rr structure with + type \ref LDNS_RR_TYPE_DNSKEY. + + The \ref ldns_key_list type is much like the \ref ldns_rr_list, only, you + guessed it, for \c ldns_key entries. + + + The signed zone will be stored in a new file. + + \skipline file + \until file + + And we have some command line options for the output zone. + + \skipline tm + \until class + + \c origin is a domain name, so it can be stored in an \ref ldns_rdf + variable with type \ref LDNS_RDF_TYPE_DNAME. + + The next part is option parsing, which is pretty straightforward using \c + getopt(), so we'll skip this too. U can always look to the source of the + file to check it out. + + Okay that's it for the variables, let's get to work! + + First we'll try to read in the zone that is to be signed. + + \skipline fopen(zone + \until } else { + + If the file exists and can be read, we'll let ldns mold it into a zone + structure: + + \skipline zone_new + + This creates a new (\c new) zone from (\c frm) a filepointer (\c fp), + while remembering the current line (\c l) in the input file (for error + messages). + + A pointer to the zone structure to be filled is passed as the first + argument, like in most \c new_frm functions. + + Like a lot of ldns functions, this one returns a \c ldns_status + indicating success or the type of failure, so let us check that. + + \skipline STATUS + \until } else { + + If everything is ok so far, we check if the zone has a SOA record and contains actual data. + + \skipline orig_soa + \until } + \until } + \until } + + Now that we have the complete zone in our memory, we won't be needing the file anymore. + + \skipline fclose + \until } + + If there was no origin given, we'll use the one derived from the original zone file. + + \skipline origin + \until } + + No signing party can be complete without keys to sign with, let's fetch those. + + Multiple key files can be specified on the command line, by using the + base names of the .key/.private file pairs. + + \skipline key + \until fopen + + As you can see, we append ".private" to the name, which should result in + the complete file name of the private key. Later we'll also form the + ".key" file name, which will be directly included in the signed zone. + + If the file exists, we'll read it and create a \c ldns_key from its + contents, much like the way we read the zone earlier. + + \skipline line_nr + \until STATUS + + If this went ok, we need to set the inception and expiration times, which + are set in the keys, but will eventually end up in the RRSIGs generated + by those keys. + + \skipline expiration + \until } + \skipline inception + \until } + + And now that we have read the private keys, we read the public keys and + add them to the zone. + + Reading them from the files works roughly the same as reading private + keys, but public keys are normal Resource Records, and they can be stored + in general \c ldns_rr structures. + + \skipline FREE + \until } + \until } + + With \c push() we add them to our key list and our zone. This function + clones the data, so we can safely free it after that. + + \skipline push + \until free + + And if we're done, we free the allocated memory for the file name. + + \until FREE + + If the reading did not work, we print an error. Finally, we move on to + the next key in the argument list. + + \skipline } else { + \until } + \until } + \until } + + Just to be sure, we add a little check to see if we actually have any keys now. + + \skipline count + \until } + + So, we have our zone, we have our keys, let's do some signing! + + \skipline sign + + Yes. That's it. We now have a completely signed zone, \c ldns_zone_sign + checks the keys, and uses the zone signing keys to sign the data resource + records. NSEC and RRSIG resource records are generated and added to the + new zone. + + So now that we have a signed zone, all that is left is to store it somewhere. + + If no explicit output file name was given, we'll just append ".signed" to + the original zone file name. + + \skipline outputfile + \until } + + \c ldns_zone_sign returns NULL if the signing did not work, so we must check that. + + \skipline signed_zone + \until } else { + + Writing to a file is no different than normal printing, so we'll print to + the file and close it. + + \skipline print + \until } + + And of course, give an error if the signing failed. + + \skipline } else { + \until } + + Just to be nice, let's free the rest of the data we allocated, and exit + with the right return value. + + \skipline free + \until } + + + + + +*/ \ No newline at end of file diff --git a/libs/ldns/drill/ChangeLog.22-nov-2005 b/libs/ldns/drill/ChangeLog.22-nov-2005 new file mode 100644 index 0000000000..1ce8b0b7c0 --- /dev/null +++ b/libs/ldns/drill/ChangeLog.22-nov-2005 @@ -0,0 +1,105 @@ +--------- Drill now is a subdirectory in ldns. To make life easier +--------- we are using ldns' version numbering for drill from now on. +--------- Sadly this means we GO BACKWARDS in the versions +--------- This ChangeLog will not be updated anymore - all changes are +--------- documented in ldns' ChangeLog + +1.0-pre3: to be released: drill-team + * Secure tracing works + * Added section about DNSSEC in the manual page + * Allow the class information to be given to do_chase() + * Lint fixes for the code + * Bugzilla was setup for drill + * Bug #97 (drill); -S crash was fixed + * Add -Q (quiet) flag was added. This supresses output from drill. + +1.0-pre2: 20 Jun 2005: drill-team + * Second prerelease + * Bugs where fix in the chasing functionality + +1.0-pre1: 1 Jun 2005: drill-team + * First drill release based on ldns + * drill's core code is not much more simple, as + all the difficult stuff is moved to ldns. + * Much saner argument parsing + +---------- Above Newer drill based on ldns -------------- +---------- Below Older drill with it's own DNS handling -------------- + +0.9.2: Feb 3 2005: drill-team + * Added two more options (borrowed from dig) + --rd, don't set the RD bit in queries + --fail, don't query the next nameserver on SERVFAIL + * Fixed handling of obscure data types + * Handle classes other the 'IN' when making a query + + * For people using FreeBSD: drill is now in the ports + (Thanks to Jaap Akkerhuis) + +0.9.1: Jan 5 2005: drill-team + * Makefile tweaks + * drill ns . works + * re-check the root in when tracing + * added handling for some lesser known types (including WKS) + +0.9: Dec 6 2004: drill-team + * big configure.ac and Makefile.in updates (made more general) + * escapes in names argument and txt and dname data + * gcc 2(.95) support + * packet wire data is now checked for dangerous elements (like + looping compression etc) + * (Multiple) Octal char representation + * Responses can be saved to file + * 'Answers' can be read from file instead of server + * Lots and lots of bugfixes and improvements + +0.8.1: Oct 27 2004: Miek + * configure.ac updates + * secure resolving updates (still doesn't work) + * printing additions + - CERT RR supported + - LOC RR support + * All non supported RRs are handled as unknown + * If no namservers found in /etc/resolv.conf + default to 127.0.0.1 + * Various bugs fixed + - Close sockets after using them + - Some memory leaks were plugged + +0.8: Oct 26 2004: Miek + * Lots of features added. Drill is almost feature complete + * Unknown RR's are supported + * Numerous smaller updates in documentation + * Numerous code cleanups + * Dig is no longer needed to build drill + +0.7: Oct 21 2004: Miek + * reworked interal code + * DNSSEC is working, except the secure resolving + * build updates + * more sane options parsing + * more sane argument handling + +0.6-alpha: Oct 2004: Jelte + * No log + +0.5-alpha: Sept 22 2004: Miek + * most of the DNS stuff is working + * moved to configure + * tested on Linux/FreeBSD + * fully IPV6 capable + * new DNSSEC types supported + * DNSSEC somewhat working + * gcc => 3 is needed for building + +0.4-alpha: Sept 9 2004: Miek + * moved to autoconf for building + * lots of various updates + * really a workable program now + +0.3-alpha: Sept 6 2004: Miek + * IPv6 support + * automatic secure resolving + * --trace updates + * --chase updates + * more checks diff --git a/libs/ldns/drill/Makefile.in b/libs/ldns/drill/Makefile.in new file mode 100644 index 0000000000..653cc51bce --- /dev/null +++ b/libs/ldns/drill/Makefile.in @@ -0,0 +1,117 @@ +# Standard installation pathnames +# See the file LICENSE for the license +SHELL = @SHELL@ +VERSION = @PACKAGE_VERSION@ +basesrcdir = $(shell basename `pwd`) +srcdir = @srcdir@ +prefix = @prefix@ +exec_prefix = @exec_prefix@ +bindir = @bindir@ +mandir = @mandir@ +includedir = @includedir@ + +CC = @CC@ +CFLAGS = -I. @CFLAGS@ +CPPFLAGS = @CPPFLAGS@ +LDFLAGS = @LDFLAGS@ +LIBS = @LIBS@ +INSTALL = $(srcdir)/install-sh -c +INSTALL_PROGRAM = $(INSTALL) +LDNSDIR = @LDNSDIR@ +LIBS_STC = @LIBS_STC@ + +COMPILE = $(CC) $(CPPFLAGS) $(CFLAGS) -I. -I$(srcdir) +LINK = $(CC) $(CFLAGS) $(LDFLAGS) + +LINT = splint +LINTFLAGS=+quiet -weak -warnposix -unrecog -Din_addr_t=uint32_t -Du_int=unsigned -Du_char=uint8_t -preproc -Drlimit=rlimit64 -D__gnuc_va_list=va_list +#-Dglob64=glob -Dglobfree64=globfree +# compat with openssl linux edition. +LINTFLAGS+="-DBN_ULONG=unsigned long" -Dkrb5_int32=int "-Dkrb5_ui_4=unsigned int" -DPQ_64BIT=uint64_t -DRC4_INT=unsigned -fixedformalarray -D"ENGINE=unsigned" -D"RSA=unsigned" -D"DSA=unsigned" -D"EVP_PKEY=unsigned" -D"EVP_MD=unsigned" -D"SSL=unsigned" -D"SSL_CTX=unsigned" -D"X509=unsigned" -D"RC4_KEY=unsigned" -D"EVP_MD_CTX=unsigned" +# compat with NetBSD +ifeq "$(shell uname)" "NetBSD" +LINTFLAGS+="-D__RENAME(x)=" -D_NETINET_IN_H_ +endif +# compat with OpenBSD +LINTFLAGS+="-Dsigset_t=long" +# FreeBSD8 +LINTFLAGS+="-D__uint16_t=uint16_t" +LINTFLAGS+=-D__signed__=signed "-D__packed=" "-D__aligned(x)=" + +OBJ=drill.o drill_util.o error.o root.o work.o chasetrace.o dnssec.o securetrace.o +SRC=$(OBJ:.o=.c) + +HEADER=drill.h $(srcdir)/drill_util.h + +.PHONY: all clean realclean docclean doc release tags install all-static + +all: drill +all-static: drill-stc + +tags: + ctags *.[ch] + +drill: $(OBJ) + $(LINK) -o drill $(OBJ) $(LIBS) + +drill-stc: $(OBJ) + $(LINK) -o drill $(OBJ) $(LIBS_STC) + +## implicit rule +%.o: $(srcdir)/%.c + $(COMPILE) -c $< + +clean: + rm -f ${OBJ} + rm -f drill + rm -f *core + rm -f config.h.in~ + rm -f config.log + rm -f config.guess + rm -f config.status + +docclean: + rm -rf doxydoc + +distclean: clean docclean + rm -f config.h + rm -f drill.h + +realclean: clean docclean + rm -f tags + rm -f config.log + rm -f config.sub + rm -f ltmain.sh + rm -f config.status + rm -rf autom4te.cache + rm -f config.h + rm -f config.h.in + rm -f drill.h + rm -f configure + rm -f Makefile + rm -f aclocal.m4 + +doc: + doxygen drill.doxygen + +install: all + $(INSTALL) -d $(DESTDIR)$(bindir) + $(INSTALL) drill $(DESTDIR)$(bindir)/drill + $(INSTALL) -m 644 $(srcdir)/drill.1 $(DESTDIR)$(mandir)/man1/drill.1 + +uninstall: + @echo + rm -f -- $(DESTDIR)$(bindir)/drill + rm -f -- $(DESTDIR)$(mandir)/man1/drill.1 + rmdir -p $(DESTDIR)$(bindir) + rmdir -p $(DESTDIR)$(mandir)/man1 + @echo + +lint: + @for i in $(SRC) ; do \ + $(LINT) $(LINTFLAGS) $(CPPFLAGS) -I$(srcdir) $(srcdir)/$$i ; \ + if [ $$? -ne 0 ] ; then exit 1 ; fi ; \ + done + +confclean: clean + rm -rf config.log config.status config.h Makefile diff --git a/libs/ldns/drill/README b/libs/ldns/drill/README new file mode 100644 index 0000000000..bbbb816ef4 --- /dev/null +++ b/libs/ldns/drill/README @@ -0,0 +1,12 @@ +QUICK INSTALL GUIDE + +drill is a subdirectory in ldns. + +To compile drill you need: +autoreconf && ./configure && make + +If ldns is installed in a different location, use --with-ldns=directory +See also ./configure --help + +In the first case you must run drill as: +LD_LIBRARY_PATH=../.libs ./drill diff --git a/libs/ldns/drill/REGRESSIONS b/libs/ldns/drill/REGRESSIONS new file mode 100644 index 0000000000..b8f6be9cc9 --- /dev/null +++ b/libs/ldns/drill/REGRESSIONS @@ -0,0 +1,25 @@ +REGRESSIONS + +This version of drill is based on ldns and as such some things +are slightly changed. This file documents the changes. + +o When tracing (-T option) we use the local resolver (as specified + in /etc/resolv.conf) to lookup names. This increases the speed + dramatically, but you obviously need to be able to reach a recursive + server/cache. + Previously drill would try to resolve the names by itself. + +o Printing of DSs after DNSKEY records. Because we don't parse our + own packets anymore, we cannot print the DS directly after the DNSKEY + record. The DSs are now printed AFTER the packet. + +o The long options are removed. + +o The chase function has a different output, and will be subject to change + in the near future. + +o The useless (for jokes only) -I option was dropped. + +FIXED: +o the argument parsing is much smarter, the order doesn't matter (much) + anymore diff --git a/libs/ldns/drill/chasetrace.c b/libs/ldns/drill/chasetrace.c new file mode 100644 index 0000000000..a1dfd44681 --- /dev/null +++ b/libs/ldns/drill/chasetrace.c @@ -0,0 +1,401 @@ +/* + * chasetrace.c + * Where all the hard work concerning chasing + * and tracing is done + * (c) 2005, 2006 NLnet Labs + * + * See the file LICENSE for the license + * + */ + +#include "drill.h" +#include + +/** + * trace down from the root to name + */ + +/* same naive method as in drill0.9 + * We resolver _ALL_ the names, which is ofcourse not needed + * We _do_ use the local resolver to do that, so it still is + * fast, but it can be made to run much faster + */ +ldns_pkt * +do_trace(ldns_resolver *local_res, ldns_rdf *name, ldns_rr_type t, + ldns_rr_class c) +{ + ldns_resolver *res; + ldns_pkt *p; + ldns_rr_list *new_nss_a; + ldns_rr_list *new_nss_aaaa; + ldns_rr_list *final_answer; + ldns_rr_list *new_nss; + ldns_rr_list *hostnames; + ldns_rr_list *ns_addr; + uint16_t loop_count; + ldns_rdf *pop; + ldns_status status; + size_t i; + + loop_count = 0; + new_nss_a = NULL; + new_nss_aaaa = NULL; + new_nss = NULL; + ns_addr = NULL; + final_answer = NULL; + p = ldns_pkt_new(); + res = ldns_resolver_new(); + + if (!p || !res) { + error("Memory allocation failed"); + return NULL; + } + + /* transfer some properties of local_res to res, + * because they were given on the commandline */ + ldns_resolver_set_ip6(res, + ldns_resolver_ip6(local_res)); + ldns_resolver_set_port(res, + ldns_resolver_port(local_res)); + ldns_resolver_set_debug(res, + ldns_resolver_debug(local_res)); + ldns_resolver_set_dnssec(res, + ldns_resolver_dnssec(local_res)); + ldns_resolver_set_fail(res, + ldns_resolver_fail(local_res)); + ldns_resolver_set_usevc(res, + ldns_resolver_usevc(local_res)); + ldns_resolver_set_random(res, + ldns_resolver_random(local_res)); + ldns_resolver_set_recursive(res, false); + + /* setup the root nameserver in the new resolver */ + status = ldns_resolver_push_nameserver_rr_list(res, global_dns_root); + if (status != LDNS_STATUS_OK) { + fprintf(stderr, "Error adding root servers to resolver: %s\n", ldns_get_errorstr_by_id(status)); + ldns_rr_list_print(stdout, global_dns_root); + return NULL; + } + + /* this must be a real query to local_res */ + status = ldns_resolver_send(&p, res, ldns_dname_new_frm_str("."), LDNS_RR_TYPE_NS, c, 0); + /* p can still be NULL */ + + + if (ldns_pkt_empty(p)) { + warning("No root server information received"); + } + + if (status == LDNS_STATUS_OK) { + if (!ldns_pkt_empty(p)) { + drill_pkt_print(stdout, local_res, p); + } + } else { + error("cannot use local resolver"); + return NULL; + } + + status = ldns_resolver_send(&p, res, name, t, c, 0); + + while(status == LDNS_STATUS_OK && + ldns_pkt_reply_type(p) == LDNS_PACKET_REFERRAL) { + + if (!p) { + /* some error occurred, bail out */ + return NULL; + } + + new_nss_a = ldns_pkt_rr_list_by_type(p, + LDNS_RR_TYPE_A, LDNS_SECTION_ADDITIONAL); + new_nss_aaaa = ldns_pkt_rr_list_by_type(p, + LDNS_RR_TYPE_AAAA, LDNS_SECTION_ADDITIONAL); + new_nss = ldns_pkt_rr_list_by_type(p, + LDNS_RR_TYPE_NS, LDNS_SECTION_AUTHORITY); + + if (verbosity != -1) { + ldns_rr_list_print(stdout, new_nss); + } + /* checks itself for verbosity */ + drill_pkt_print_footer(stdout, local_res, p); + + /* remove the old nameserver from the resolver */ + while((pop = ldns_resolver_pop_nameserver(res))) { /* do it */ } + + /* also check for new_nss emptyness */ + + if (!new_nss_aaaa && !new_nss_a) { + /* + * no nameserver found!!! + * try to resolve the names we do got + */ + for(i = 0; i < ldns_rr_list_rr_count(new_nss); i++) { + /* get the name of the nameserver */ + pop = ldns_rr_rdf(ldns_rr_list_rr(new_nss, i), 0); + if (!pop) { + break; + } + + ldns_rr_list_print(stdout, new_nss); + ldns_rdf_print(stdout, pop); + /* retrieve it's addresses */ + ns_addr = ldns_rr_list_cat_clone(ns_addr, + ldns_get_rr_list_addr_by_name(local_res, pop, c, 0)); + } + + if (ns_addr) { + if (ldns_resolver_push_nameserver_rr_list(res, ns_addr) != + LDNS_STATUS_OK) { + error("Error adding new nameservers"); + ldns_pkt_free(p); + return NULL; + } + ldns_rr_list_free(ns_addr); + } else { + ldns_rr_list_print(stdout, ns_addr); + error("Could not find the nameserver ip addr; abort"); + ldns_pkt_free(p); + return NULL; + } + } + + /* add the new ones */ + if (new_nss_aaaa) { + if (ldns_resolver_push_nameserver_rr_list(res, new_nss_aaaa) != + LDNS_STATUS_OK) { + error("adding new nameservers"); + ldns_pkt_free(p); + return NULL; + } + } + if (new_nss_a) { + if (ldns_resolver_push_nameserver_rr_list(res, new_nss_a) != + LDNS_STATUS_OK) { + error("adding new nameservers"); + ldns_pkt_free(p); + return NULL; + } + } + + if (loop_count++ > 20) { + /* unlikely that we are doing something usefull */ + error("Looks like we are looping"); + ldns_pkt_free(p); + return NULL; + } + + status = ldns_resolver_send(&p, res, name, t, c, 0); + new_nss_aaaa = NULL; + new_nss_a = NULL; + ns_addr = NULL; + } + + status = ldns_resolver_send(&p, res, name, t, c, 0); + + if (!p) { + return NULL; + } + + hostnames = ldns_get_rr_list_name_by_addr(local_res, + ldns_pkt_answerfrom(p), 0, 0); + + new_nss = ldns_pkt_authority(p); + final_answer = ldns_pkt_answer(p); + + if (verbosity != -1) { + ldns_rr_list_print(stdout, final_answer); + ldns_rr_list_print(stdout, new_nss); + + } + drill_pkt_print_footer(stdout, local_res, p); + ldns_pkt_free(p); + return NULL; +} + + +/** + * Chase the given rr to a known and trusted key + * + * Based on drill 0.9 + * + * the last argument prev_key_list, if not null, and type == DS, then the ds + * rr list we have must all be a ds for the keys in this list + */ +#ifdef HAVE_SSL +ldns_status +do_chase(ldns_resolver *res, + ldns_rdf *name, + ldns_rr_type type, + ldns_rr_class c, + ldns_rr_list *trusted_keys, + ldns_pkt *pkt_o, + uint16_t qflags, + ldns_rr_list *prev_key_list, + int verbosity) +{ + ldns_rr_list *rrset = NULL; + ldns_status result; + ldns_rr *orig_rr = NULL; + + bool cname_followed = false; +/* + ldns_rr_list *sigs; + ldns_rr *cur_sig; + uint16_t sig_i; + ldns_rr_list *keys; +*/ + ldns_pkt *pkt; + ldns_status tree_result; + ldns_dnssec_data_chain *chain; + ldns_dnssec_trust_tree *tree; + + const ldns_rr_descriptor *descriptor; + descriptor = ldns_rr_descript(type); + + ldns_dname2canonical(name); + + pkt = ldns_pkt_clone(pkt_o); + if (!name) { + mesg("No name to chase"); + ldns_pkt_free(pkt); + return LDNS_STATUS_EMPTY_LABEL; + } + if (verbosity != -1) { + printf(";; Chasing: "); + ldns_rdf_print(stdout, name); + if (descriptor && descriptor->_name) { + printf(" %s\n", descriptor->_name); + } else { + printf(" type %d\n", type); + } + } + + if (!trusted_keys || ldns_rr_list_rr_count(trusted_keys) < 1) { + warning("No trusted keys specified"); + } + + if (pkt) { + rrset = ldns_pkt_rr_list_by_name_and_type(pkt, + name, + type, + LDNS_SECTION_ANSWER + ); + if (!rrset) { + /* nothing in answer, try authority */ + rrset = ldns_pkt_rr_list_by_name_and_type(pkt, + name, + type, + LDNS_SECTION_AUTHORITY + ); + } + /* answer might be a cname, chase that first, then chase + cname target? (TODO) */ + if (!rrset) { + cname_followed = true; + rrset = ldns_pkt_rr_list_by_name_and_type(pkt, + name, + LDNS_RR_TYPE_CNAME, + LDNS_SECTION_ANSWER + ); + if (!rrset) { + /* nothing in answer, try authority */ + rrset = ldns_pkt_rr_list_by_name_and_type(pkt, + name, + LDNS_RR_TYPE_CNAME, + LDNS_SECTION_AUTHORITY + ); + } + } + } else { + /* no packet? */ + if (verbosity >= 0) { + fprintf(stderr, "%s", ldns_get_errorstr_by_id(LDNS_STATUS_MEM_ERR)); + fprintf(stderr, "\n"); + } + return LDNS_STATUS_MEM_ERR; + } + + if (!rrset) { + /* not found in original packet, try again */ + ldns_pkt_free(pkt); + pkt = NULL; + pkt = ldns_resolver_query(res, name, type, c, qflags); + + if (!pkt) { + if (verbosity >= 0) { + fprintf(stderr, "%s", ldns_get_errorstr_by_id(LDNS_STATUS_NETWORK_ERR)); + fprintf(stderr, "\n"); + } + return LDNS_STATUS_NETWORK_ERR; + } + if (verbosity >= 5) { + ldns_pkt_print(stdout, pkt); + } + + rrset = ldns_pkt_rr_list_by_name_and_type(pkt, + name, + type, + LDNS_SECTION_ANSWER + ); + } + + orig_rr = ldns_rr_new(); + +/* if the answer had no answer section, we need to construct our own rr (for instance if + * the rr qe asked for doesn't exist. This rr will be destroyed when the chain is freed */ + if (ldns_pkt_ancount(pkt) < 1) { + ldns_rr_set_type(orig_rr, type); + ldns_rr_set_owner(orig_rr, ldns_rdf_clone(name)); + + chain = ldns_dnssec_build_data_chain(res, qflags, rrset, pkt, ldns_rr_clone(orig_rr)); + } else { + /* chase the first answer */ + chain = ldns_dnssec_build_data_chain(res, qflags, rrset, pkt, NULL); + } + + if (verbosity >= 4) { + printf("\n\nDNSSEC Data Chain:\n"); + ldns_dnssec_data_chain_print(stdout, chain); + } + + result = LDNS_STATUS_OK; + + tree = ldns_dnssec_derive_trust_tree(chain, NULL); + + if (verbosity >= 2) { + printf("\n\nDNSSEC Trust tree:\n"); + ldns_dnssec_trust_tree_print(stdout, tree, 0, true); + } + + if (ldns_rr_list_rr_count(trusted_keys) > 0) { + tree_result = ldns_dnssec_trust_tree_contains_keys(tree, trusted_keys); + + if (tree_result == LDNS_STATUS_DNSSEC_EXISTENCE_DENIED) { + if (verbosity >= 1) { + printf("Existence denied or verifiably insecure\n"); + } + result = LDNS_STATUS_OK; + } else if (tree_result != LDNS_STATUS_OK) { + if (verbosity >= 1) { + printf("No trusted keys found in tree: first error was: %s\n", ldns_get_errorstr_by_id(tree_result)); + } + result = tree_result; + } + + } else { + if (verbosity >= 0) { + printf("You have not provided any trusted keys.\n"); + } + } + + ldns_rr_free(orig_rr); + ldns_dnssec_trust_tree_free(tree); + ldns_dnssec_data_chain_deep_free(chain); + + ldns_rr_list_deep_free(rrset); + ldns_pkt_free(pkt); + /* ldns_rr_free(orig_rr);*/ + + return result; +} +#endif /* HAVE_SSL */ + diff --git a/libs/ldns/drill/config.h.in b/libs/ldns/drill/config.h.in new file mode 100644 index 0000000000..9b2a282a8e --- /dev/null +++ b/libs/ldns/drill/config.h.in @@ -0,0 +1,293 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if you have the header file. */ +#undef HAVE_ARPA_INET_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_ASSERT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_CTYPE_H + +/* Whether getaddrinfo is available */ +#undef HAVE_GETADDRINFO + +/* Define to 1 if you have the header file. */ +#undef HAVE_GETOPT_H + +/* If you have HMAC_CTX_init */ +#undef HAVE_HMAC_CTX_INIT + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the `isblank' function. */ +#undef HAVE_ISBLANK + +/* Define to 1 if you have the `ldns' library (-lldns). */ +#undef HAVE_LIBLDNS + +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_IF_ETHER_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_IN_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_IN_SYSTM_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_IP6_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_IP_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_UDP_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NET_IF_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_OPENSSL_ERR_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_OPENSSL_RAND_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_OPENSSL_SSL_H + +/* Define if you have the SSL libraries installed. */ +#undef HAVE_SSL + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDIO_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_MOUNT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_PARAM_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_SELECT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_SOCKET_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TIME_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_TIME_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_WINSOCK2_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_WS2TCPIP_H + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Enable extensions on AIX 3, Interix. */ +#ifndef _ALL_SOURCE +# undef _ALL_SOURCE +#endif +/* Enable GNU extensions on systems that have them. */ +#ifndef _GNU_SOURCE +# undef _GNU_SOURCE +#endif +/* Enable threading extensions on Solaris. */ +#ifndef _POSIX_PTHREAD_SEMANTICS +# undef _POSIX_PTHREAD_SEMANTICS +#endif +/* Enable extensions on HP NonStop. */ +#ifndef _TANDEM_SOURCE +# undef _TANDEM_SOURCE +#endif +/* Enable general extensions on Solaris. */ +#ifndef __EXTENSIONS__ +# undef __EXTENSIONS__ +#endif + + +/* Whether the windows socket API is used */ +#undef USE_WINSOCK + +/* the version of the windows API enabled */ +#undef WINVER + +/* Define to 1 if on MINIX. */ +#undef _MINIX + +/* Define to 2 if the system does not provide POSIX.1 features except with + this defined. */ +#undef _POSIX_1_SOURCE + +/* Define to 1 if you need to in order for `stat' and other things to work. */ +#undef _POSIX_SOURCE + +/* in_addr_t */ +#undef in_addr_t + +/* in_port_t */ +#undef in_port_t + +/* Define to `__inline__' or `__inline' if that's what the C compiler + calls it, or to nothing if 'inline' is not supported under any name. */ +#ifndef __cplusplus +#undef inline +#endif + +/* Define to `short' if does not define. */ +#undef int16_t + +/* Define to `int' if does not define. */ +#undef int32_t + +/* Define to `long long' if does not define. */ +#undef int64_t + +/* Define to `char' if does not define. */ +#undef int8_t + +/* Define to `unsigned int' if does not define. */ +#undef size_t + +/* Define to 'int' if not defined */ +#undef socklen_t + +/* Define to `int' if does not define. */ +#undef ssize_t + +/* Define to `unsigned short' if does not define. */ +#undef uint16_t + +/* Define to `unsigned int' if does not define. */ +#undef uint32_t + +/* Define to `unsigned long long' if does not define. */ +#undef uint64_t + +/* Define to `unsigned char' if does not define. */ +#undef uint8_t + + + +#include +#include +#include +#include + +#if STDC_HEADERS +#include +#include +#endif + +#ifdef HAVE_STDINT_H +#include +#endif + +#ifdef HAVE_SYS_SOCKET_H +#include +#endif + +#ifdef HAVE_NETINET_IN_H +#include +#endif + +#ifdef HAVE_ARPA_INET_H +#include +#endif + +#ifdef HAVE_NETINET_UDP_H +#include +#endif + +#ifdef HAVE_TIME_H +#include +#endif + +#ifdef HAVE_NETINET_IN_SYSTM_H +#include +#endif + +#ifdef HAVE_NETINET_IP_H +#include +#endif + +#ifdef HAVE_NET_IF_H +#include +#endif + +#ifdef HAVE_NETINET_IF_ETHER_H +#include +#endif + +#ifdef HAVE_WINSOCK2_H +#define USE_WINSOCK 1 +#include +#endif + +#ifdef HAVE_WS2TCPIP_H +#include +#endif + +extern char *optarg; +extern int optind, opterr; + +#ifndef EXIT_FAILURE +#define EXIT_FAILURE 1 +#endif +#ifndef EXIT_SUCCESS +#define EXIT_SUCCESS 0 +#endif + +#ifdef S_SPLINT_S +#define FD_ZERO(a) /* a */ +#define FD_SET(a,b) /* a, b */ +#endif + diff --git a/libs/ldns/drill/configure b/libs/ldns/drill/configure new file mode 100644 index 0000000000..2c79eb811b --- /dev/null +++ b/libs/ldns/drill/configure @@ -0,0 +1,6663 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.68 for ldns 1.6.9. +# +# Report bugs to . +# +# +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, +# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software +# Foundation, Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + # We cannot yet assume a decent shell, so we have to provide a + # neutralization value for shells without unset; and this also + # works around shells that cannot unset nonexistent variables. + # Preserve -v and -x to the replacement shell. + BASH_ENV=/dev/null + ENV=/dev/null + (unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV + export CONFIG_SHELL + case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; + esac + exec "$CONFIG_SHELL" $as_opts "$as_myself" ${1+"$@"} +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org and +$0: libdns@nlnetlabs.nl about your system, including any +$0: error possibly output before this message. Then install +$0: a modern shell, or manually run the script under such a +$0: shell if you do have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. 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" >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + eval "$3=no" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +if (sizeof ($2)) + return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +if (sizeof (($2))) + return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + eval "$3=yes" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_type + +# ac_fn_c_try_link LINENO +# ----------------------- +# Try to link conftest.$ac_ext, and return whether this succeeded. +ac_fn_c_try_link () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext conftest$ac_exeext + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && { + test "$cross_compiling" = yes || + $as_test_x conftest$ac_exeext + }; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information + # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would + # interfere with the next link command; also delete a directory that is + # left behind by Apple's compiler. We do this before executing the actions. + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_try_link + +# ac_fn_c_check_func LINENO FUNC VAR +# ---------------------------------- +# Tests whether FUNC exists, setting the cache variable VAR accordingly +ac_fn_c_check_func () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* Define $2 to an innocuous variant, in case declares $2. + For example, HP-UX 11i declares gettimeofday. */ +#define $2 innocuous_$2 + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $2 (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include +#else +# include +#endif + +#undef $2 + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char $2 (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_$2 || defined __stub___$2 +choke me +#endif + +int +main () +{ +return $2 (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$3=yes" +else + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_func +cat >config.log <<_ACEOF +This file contains any messages produced by compilers while +running configure, to aid debugging if configure makes a mistake. + +It was created by ldns $as_me 1.6.9, which was +generated by GNU Autoconf 2.68. Invocation command line was + + $ $0 $@ + +_ACEOF +exec 5>>config.log +{ +cat <<_ASUNAME +## --------- ## +## Platform. ## +## --------- ## + +hostname = `(hostname || uname -n) 2>/dev/null | sed 1q` +uname -m = `(uname -m) 2>/dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown` + +/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown` +/usr/bin/hostinfo = `(/usr/bin/hostinfo) 2>/dev/null || echo unknown` +/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown` +/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown` + +_ASUNAME + +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + $as_echo "PATH: $as_dir" + done +IFS=$as_save_IFS + +} >&5 + +cat >&5 <<_ACEOF + + +## ----------- ## +## Core tests. ## +## ----------- ## + +_ACEOF + + +# Keep a trace of the command line. +# Strip out --no-create and --no-recursion so they do not pile up. +# Strip out --silent because we don't want to record it for future runs. +# Also quote any args containing shell meta-characters. +# Make two passes to allow for proper duplicate-argument suppression. +ac_configure_args= +ac_configure_args0= +ac_configure_args1= +ac_must_keep_next=false +for ac_pass in 1 2 +do + for ac_arg + do + case $ac_arg in + -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil) + continue ;; + *\'*) + ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + case $ac_pass in + 1) as_fn_append ac_configure_args0 " '$ac_arg'" ;; + 2) + as_fn_append ac_configure_args1 " '$ac_arg'" + if test $ac_must_keep_next = true; then + ac_must_keep_next=false # Got value, back to normal. + else + case $ac_arg in + *=* | --config-cache | -C | -disable-* | --disable-* \ + | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ + | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ + | -with-* | --with-* | -without-* | --without-* | --x) + case "$ac_configure_args0 " in + "$ac_configure_args1"*" '$ac_arg' "* ) continue ;; + esac + ;; + -* ) ac_must_keep_next=true ;; + esac + fi + as_fn_append ac_configure_args " '$ac_arg'" + ;; + esac + done +done +{ ac_configure_args0=; unset ac_configure_args0;} +{ ac_configure_args1=; unset ac_configure_args1;} + +# When interrupted or exit'd, cleanup temporary files, and complete +# config.log. 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Use of quotes ensures accuracy. + *) as_fn_append ac_configure_args " '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 +$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;} + as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5 +fi +## -------------------- ## +## Main body of script. ## +## -------------------- ## + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + +# acx_nlnetlabs.m4 - common macros for configure checks +# Copyright 2009, Wouter Wijngaards, NLnet Labs. +# BSD licensed. +# +# Version 11 +# 2010-08-16 Fix FLAG_OMITTED for AS_TR_CPP changes in autoconf-2.66. +# 2010-07-02 Add check for ss_family (for minix). +# 2010-04-26 Fix to use CPPFLAGS for CHECK_COMPILER_FLAGS. +# 2010-03-01 Fix RPATH using CONFIG_COMMANDS to run at the very end. +# 2010-02-18 WITH_SSL outputs the LIBSSL_LDFLAGS, LIBS, CPPFLAGS seperate, -ldl +# 2010-02-01 added ACX_CHECK_MEMCMP_SIGNED, AHX_MEMCMP_BROKEN +# 2010-01-20 added AHX_COONFIG_STRLCAT +# 2009-07-14 U_CHAR detection improved for windows crosscompile. +# added ACX_FUNC_MALLOC +# fixup some #if to #ifdef +# NONBLOCKING test for mingw crosscompile. +# 2009-07-13 added ACX_WITH_SSL_OPTIONAL +# 2009-07-03 fixup LDFLAGS for empty ssl dir. +# +# Automates some of the checking constructs. Aims at portability for POSIX. +# Documentation for functions is below. +# +# the following macro's are provided in this file: +# (see below for details on each macro). +# +# ACX_ESCAPE_BACKSLASH - escape backslashes in var for C-preproc. +# ACX_RSRC_VERSION - create windows resource version number. +# ACX_CHECK_COMPILER_FLAG - see if cc supports a flag. +# ACX_CHECK_ERROR_FLAGS - see which flag is -werror (used below). +# ACX_CHECK_COMPILER_FLAG_NEEDED - see if flags make the code compile cleanly. +# ACX_DEPFLAG - find cc dependency flags. +# ACX_DETERMINE_EXT_FLAGS_UNBOUND - find out which flags enable BSD and POSIX. +# ACX_CHECK_FORMAT_ATTRIBUTE - find cc printf format syntax. +# ACX_CHECK_UNUSED_ATTRIBUTE - find cc variable unused syntax. +# ACX_LIBTOOL_C_ONLY - create libtool for C only, improved. +# ACX_TYPE_U_CHAR - u_char type. +# ACX_TYPE_RLIM_T - rlim_t type. +# ACX_TYPE_SOCKLEN_T - socklen_t type. +# ACX_TYPE_IN_ADDR_T - in_addr_t type. +# ACX_TYPE_IN_PORT_T - in_port_t type. +# ACX_ARG_RPATH - add --disable-rpath option. +# ACX_WITH_SSL - add --with-ssl option, link -lcrypto. +# ACX_WITH_SSL_OPTIONAL - add --with-ssl option, link -lcrypto, +# where --without-ssl is also accepted +# ACX_LIB_SSL - setup to link -lssl. +# ACX_SYS_LARGEFILE - improved sys_largefile, fseeko, >2G files. +# ACX_CHECK_GETADDRINFO_WITH_INCLUDES - find getaddrinfo, portably. +# ACX_FUNC_DEPRECATED - see if func is deprecated. +# ACX_CHECK_NONBLOCKING_BROKEN - see if nonblocking sockets really work. +# ACX_MKDIR_ONE_ARG - determine mkdir(2) number of arguments. +# ACX_FUNC_IOCTLSOCKET - find ioctlsocket, portably. +# ACX_FUNC_MALLOC - check malloc, define replacement . +# AHX_CONFIG_FORMAT_ATTRIBUTE - config.h text for format. +# AHX_CONFIG_UNUSED_ATTRIBUTE - config.h text for unused. +# AHX_CONFIG_FSEEKO - define fseeko, ftello fallback. +# AHX_CONFIG_RAND_MAX - define RAND_MAX if needed. +# AHX_CONFIG_MAXHOSTNAMELEN - define MAXHOSTNAMELEN if needed. +# AHX_CONFIG_IPV6_MIN_MTU - define IPV6_MIN_MTU if needed. +# AHX_CONFIG_SNPRINTF - snprintf compat prototype +# AHX_CONFIG_INET_PTON - inet_pton compat prototype +# AHX_CONFIG_INET_NTOP - inet_ntop compat prototype +# AHX_CONFIG_INET_ATON - inet_aton compat prototype +# AHX_CONFIG_MEMMOVE - memmove compat prototype +# AHX_CONFIG_STRLCAT - strlcat compat prototype +# AHX_CONFIG_STRLCPY - strlcpy compat prototype +# AHX_CONFIG_GMTIME_R - gmtime_r compat prototype +# AHX_CONFIG_W32_SLEEP - w32 compat for sleep +# AHX_CONFIG_W32_USLEEP - w32 compat for usleep +# AHX_CONFIG_W32_RANDOM - w32 compat for random +# AHX_CONFIG_W32_SRANDOM - w32 compat for srandom +# AHX_CONFIG_W32_FD_SET_T - w32 detection of FD_SET_T. +# ACX_CFLAGS_STRIP - strip one flag from CFLAGS +# ACX_STRIP_EXT_FLAGS - strip extension flags from CFLAGS +# AHX_CONFIG_FLAG_OMITTED - define omitted flag +# AHX_CONFIG_FLAG_EXT - define omitted extension flag +# AHX_CONFIG_EXT_FLAGS - define the stripped extension flags +# ACX_CHECK_MEMCMP_SIGNED - check if memcmp uses signed characters. +# AHX_MEMCMP_BROKEN - replace memcmp func for CHECK_MEMCMP_SIGNED. +# ACX_CHECK_SS_FAMILY - check for sockaddr_storage.ss_family +# + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +OURCPPFLAGS='' +CPPFLAGS=${CPPFLAGS:-${OURCPPFLAGS}} +OURCFLAGS='-g' +CFLAGS=${CFLAGS:-${OURCFLAGS}} + +$as_echo "#define WINVER 0x0502" >>confdefs.h + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +$as_echo_n "checking whether the C compiler works... " >&6; } +ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` + +# The possible output files: +ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*" + +ac_rmfiles= +for ac_file in $ac_files +do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + * ) ac_rmfiles="$ac_rmfiles $ac_file";; + esac +done +rm -f $ac_rmfiles + +if { { ac_try="$ac_link_default" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link_default") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + # Autoconf-2.13 could set the ac_cv_exeext variable to `no'. +# So ignore a value of `no', otherwise this would lead to `EXEEXT = no' +# in a Makefile. We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else + ac_file='' +fi +if test -z "$ac_file"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +$as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "C compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +$as_echo_n "checking for C compiler default output file name... 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For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest conftest$ac_cv_exeext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 +$as_echo "$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +ac_clean_files="$ac_clean_files conftest.out" +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 +$as_echo_n "checking whether we are cross compiling... " >&6; } +if test "$cross_compiling" != yes; then + { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if { ac_try='./conftest$ac_cv_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details" "$LINENO" 5; } + fi + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 +$as_echo "$cross_compiling" >&6; } + +rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 +$as_echo_n "checking for suffix of object files... " >&6; } +if ${ac_cv_objext+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of object files: cannot compile +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5 +$as_echo "$ac_cv_objext" >&6; } +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if ${ac_cv_prog_cc_g+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if ${ac_cv_prog_cc_c89+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 +$as_echo_n "checking for grep that handles long lines and -e... " >&6; } +if ${ac_cv_path_GREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$GREP"; then + ac_path_GREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue +# Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_GREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_GREP"; then + as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + + + ac_fn_c_check_header_mongrel "$LINENO" "minix/config.h" "ac_cv_header_minix_config_h" "$ac_includes_default" +if test "x$ac_cv_header_minix_config_h" = xyes; then : + MINIX=yes +else + MINIX= +fi + + + if test "$MINIX" = yes; then + +$as_echo "#define _POSIX_SOURCE 1" >>confdefs.h + + +$as_echo "#define _POSIX_1_SOURCE 2" >>confdefs.h + + +$as_echo "#define _MINIX 1" >>confdefs.h + + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether it is safe to define __EXTENSIONS__" >&5 +$as_echo_n "checking whether it is safe to define __EXTENSIONS__... " >&6; } +if ${ac_cv_safe_to_define___extensions__+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +# define __EXTENSIONS__ 1 + $ac_includes_default +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_safe_to_define___extensions__=yes +else + ac_cv_safe_to_define___extensions__=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_safe_to_define___extensions__" >&5 +$as_echo "$ac_cv_safe_to_define___extensions__" >&6; } + test $ac_cv_safe_to_define___extensions__ = yes && + $as_echo "#define __EXTENSIONS__ 1" >>confdefs.h + + $as_echo "#define _ALL_SOURCE 1" >>confdefs.h + + $as_echo "#define _GNU_SOURCE 1" >>confdefs.h + + $as_echo "#define _POSIX_PTHREAD_SEMANTICS 1" >>confdefs.h + + $as_echo "#define _TANDEM_SOURCE 1" >>confdefs.h + + + +# Checks for programs. +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if ${ac_cv_prog_cc_g+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if ${ac_cv_prog_cc_c89+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; } +set x ${MAKE-make} +ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'` +if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat >conftest.make <<\_ACEOF +SHELL = /bin/sh +all: + @echo '@@@%%%=$(MAKE)=@@@%%%' +_ACEOF +# GNU make sometimes prints "make[1]: Entering ...", which would confuse us. +case `${MAKE-make} -f conftest.make 2>/dev/null` in + *@@@%%%=?*=@@@%%%*) + eval ac_cv_prog_make_${ac_make}_set=yes;; + *) + eval ac_cv_prog_make_${ac_make}_set=no;; +esac +rm -f conftest.make +fi +if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + SET_MAKE= +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + SET_MAKE="MAKE=${MAKE-make}" +fi + +for ac_prog in glibtool libtool15 libtool +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_libtool+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$libtool"; then + ac_cv_prog_libtool="$libtool" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_libtool="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +libtool=$ac_cv_prog_libtool +if test -n "$libtool"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libtool" >&5 +$as_echo "$libtool" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$libtool" && break +done +test -n "$libtool" || libtool="../libtool" + + +# add option to disable the evil rpath +# Check whether --enable-rpath was given. +if test "${enable_rpath+set}" = set; then : + enableval=$enable_rpath; enable_rpath=$enableval +else + enable_rpath=yes +fi + + +if test "x$enable_rpath" = xyes; then + RPATH_VAL="-Wl,-rpath=\${libdir}" +fi + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -std=c99" >&5 +$as_echo_n "checking whether $CC supports -std=c99... " >&6; } +cache=`echo std=c99 | sed 'y%.=/+-%___p_%'` +if eval \${cv_prog_cc_flag_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo 'void f(){}' >conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS -std=c99 -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_$cache=yes" +else +eval "cv_prog_cc_flag_$cache=no" +fi +rm -f conftest conftest.o conftest.c + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +C99FLAG="-std=c99" +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +: + +fi + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -xc99" >&5 +$as_echo_n "checking whether $CC supports -xc99... " >&6; } +cache=`echo xc99 | sed 'y%.=/+-%___p_%'` +if eval \${cv_prog_cc_flag_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo 'void f(){}' >conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS -xc99 -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_$cache=yes" +else +eval "cv_prog_cc_flag_$cache=no" +fi +rm -f conftest conftest.o conftest.c + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +C99FLAG="-xc99" +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +: + +fi + + +ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default" +if test "x$ac_cv_type_size_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define size_t unsigned int +_ACEOF + +fi + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -O2" >&5 +$as_echo_n "checking whether $CC supports -O2... " >&6; } +cache=`echo O2 | sed 'y%.=/+-%___p_%'` +if eval \${cv_prog_cc_flag_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo 'void f(){}' >conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS -O2 -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_$cache=yes" +else +eval "cv_prog_cc_flag_$cache=no" +fi +rm -f conftest conftest.o conftest.c + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +CFLAGS="$CFLAGS -O2" +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +: + +fi + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Werror" >&5 +$as_echo_n "checking whether $CC supports -Werror... " >&6; } +cache=`echo Werror | sed 'y%.=/+-%___p_%'` +if eval \${cv_prog_cc_flag_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo 'void f(){}' >conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS -Werror -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_$cache=yes" +else +eval "cv_prog_cc_flag_$cache=no" +fi +rm -f conftest conftest.o conftest.c + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +ERRFLAG="-Werror" +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +: +ERRFLAG="-errwarn" +fi + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wall" >&5 +$as_echo_n "checking whether $CC supports -Wall... " >&6; } +cache=`echo Wall | sed 'y%.=/+-%___p_%'` +if eval \${cv_prog_cc_flag_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo 'void f(){}' >conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS -Wall -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_$cache=yes" +else +eval "cv_prog_cc_flag_$cache=no" +fi +rm -f conftest conftest.o conftest.c + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +ERRFLAG="$ERRFLAG -Wall" +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +: +ERRFLAG="$ERRFLAG -errfmt" +fi + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we need $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 as a flag for $CC" >&5 +$as_echo_n "checking whether we need $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 as a flag for $CC... " >&6; } +cache=`$as_echo "$C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600" | $as_tr_sh` +if eval \${cv_prog_cc_flag_needed_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo ' +#include "confdefs.h" +#include +#include +#include +#ifdef HAVE_TIME_H +#include +#endif +#include +#ifdef HAVE_GETOPT_H +#include +#endif + +int test() { + int a; + char **opts = NULL; + struct timeval tv; + char *t; + time_t time = 0; + char *buf = NULL; + t = ctime_r(&time, buf); + tv.tv_usec = 10; + srandom(32); + a = getopt(2, opts, "a"); + a = isascii(32); + return a; +} +' > conftest.c +echo 'void f(){}' >>conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS $ERRFLAG -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_needed_$cache=no" +else + +if test -z "`$CC $CPPFLAGS $CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 $ERRFLAG -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_needed_$cache=yes" +else +eval "cv_prog_cc_flag_needed_$cache=fail" +#echo 'Test with flag fails too!' +#cat conftest.c +#echo "$CC $CPPFLAGS $CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 $ERRFLAG -c conftest.c 2>&1" +#echo `$CC $CPPFLAGS $CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 $ERRFLAG -c conftest.c 2>&1` +#exit 1 +fi + +fi +rm -f conftest conftest.c conftest.o + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_needed_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +CFLAGS="$CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600" +else +if eval "test \"`echo '$cv_prog_cc_flag_needed_'$cache`\" = no"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +#echo 'Test with flag is no!' +#cat conftest.c +#echo "$CC $CPPFLAGS $CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 $ERRFLAG -c conftest.c 2>&1" +#echo `$CC $CPPFLAGS $CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 $ERRFLAG -c conftest.c 2>&1` +#exit 1 +: + +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 +$as_echo "failed" >&6; } +: + +fi +fi + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we need $C99FLAG as a flag for $CC" >&5 +$as_echo_n "checking whether we need $C99FLAG as a flag for $CC... " >&6; } +cache=`$as_echo "$C99FLAG" | $as_tr_sh` +if eval \${cv_prog_cc_flag_needed_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo '#include ' > conftest.c +echo 'void f(){}' >>conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS $ERRFLAG -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_needed_$cache=no" +else + +if test -z "`$CC $CPPFLAGS $CFLAGS $C99FLAG $ERRFLAG -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_needed_$cache=yes" +else +eval "cv_prog_cc_flag_needed_$cache=fail" +#echo 'Test with flag fails too!' +#cat conftest.c +#echo "$CC $CPPFLAGS $CFLAGS $C99FLAG $ERRFLAG -c conftest.c 2>&1" +#echo `$CC $CPPFLAGS $CFLAGS $C99FLAG $ERRFLAG -c conftest.c 2>&1` +#exit 1 +fi + +fi +rm -f conftest conftest.c conftest.o + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_needed_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +CFLAGS="$CFLAGS $C99FLAG" +else +if eval "test \"`echo '$cv_prog_cc_flag_needed_'$cache`\" = no"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +#echo 'Test with flag is no!' +#cat conftest.c +#echo "$CC $CPPFLAGS $CFLAGS $C99FLAG $ERRFLAG -c conftest.c 2>&1" +#echo `$CC $CPPFLAGS $CFLAGS $C99FLAG $ERRFLAG -c conftest.c 2>&1` +#exit 1 +: + +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 +$as_echo "failed" >&6; } +: + +fi +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5 +$as_echo_n "checking for inline... " >&6; } +if ${ac_cv_c_inline+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_c_inline=no +for ac_kw in inline __inline__ __inline; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifndef __cplusplus +typedef int foo_t; +static $ac_kw foo_t static_foo () {return 0; } +$ac_kw foo_t foo () {return 0; } +#endif + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_inline=$ac_kw +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + test "$ac_cv_c_inline" != no && break +done + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5 +$as_echo "$ac_cv_c_inline" >&6; } + +case $ac_cv_c_inline in + inline | yes) ;; + *) + case $ac_cv_c_inline in + no) ac_val=;; + *) ac_val=$ac_cv_c_inline;; + esac + cat >>confdefs.h <<_ACEOF +#ifndef __cplusplus +#define inline $ac_val +#endif +_ACEOF + ;; +esac + +ac_fn_c_check_type "$LINENO" "int8_t" "ac_cv_type_int8_t" "$ac_includes_default" +if test "x$ac_cv_type_int8_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define int8_t char +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "int16_t" "ac_cv_type_int16_t" "$ac_includes_default" +if test "x$ac_cv_type_int16_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define int16_t short +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "int32_t" "ac_cv_type_int32_t" "$ac_includes_default" +if test "x$ac_cv_type_int32_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define int32_t int +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "int64_t" "ac_cv_type_int64_t" "$ac_includes_default" +if test "x$ac_cv_type_int64_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define int64_t long long +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "uint8_t" "ac_cv_type_uint8_t" "$ac_includes_default" +if test "x$ac_cv_type_uint8_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define uint8_t unsigned char +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "uint16_t" "ac_cv_type_uint16_t" "$ac_includes_default" +if test "x$ac_cv_type_uint16_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define uint16_t unsigned short +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "uint32_t" "ac_cv_type_uint32_t" "$ac_includes_default" +if test "x$ac_cv_type_uint32_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define uint32_t unsigned int +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "uint64_t" "ac_cv_type_uint64_t" "$ac_includes_default" +if test "x$ac_cv_type_uint64_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define uint64_t unsigned long long +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "ssize_t" "ac_cv_type_ssize_t" "$ac_includes_default" +if test "x$ac_cv_type_ssize_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define ssize_t int +_ACEOF + +fi + + +for ac_header in sys/types.h getopt.h stdlib.h stdio.h assert.h netinet/in.h ctype.h time.h arpa/inet.h sys/time.h sys/socket.h sys/select.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +for ac_header in netinet/in_systm.h net/if.h netinet/ip.h netinet/udp.h netinet/if_ether.h netinet/ip6.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" " +$ac_includes_default +#ifdef HAVE_NETINET_IN_SYSTM_H +#include +#endif +#ifdef HAVE_NETINET_IN_H +#include +#endif +#ifdef HAVE_SYS_SOCKET_H +#include +#endif +#ifdef HAVE_NET_IF_H +#include +#endif +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +# MinGW32 tests +for ac_header in winsock2.h ws2tcpip.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + + +ac_fn_c_check_type "$LINENO" "socklen_t" "ac_cv_type_socklen_t" " +$ac_includes_default +#ifdef HAVE_SYS_SOCKET_H +# include +#endif +#ifdef HAVE_WS2TCPIP_H +# include +#endif + +" +if test "x$ac_cv_type_socklen_t" = xyes; then : + +else + +$as_echo "#define socklen_t int" >>confdefs.h + +fi + +for ac_header in sys/param.h sys/mount.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default + + + #if HAVE_SYS_PARAM_H + # include + #endif + + +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +ac_fn_c_check_type "$LINENO" "in_addr_t" "ac_cv_type_in_addr_t" " +#if HAVE_SYS_TYPES_H +# include +#endif +#if HAVE_NETINET_IN_H +# include +#endif +" +if test "x$ac_cv_type_in_addr_t" = xyes; then : + +else + +$as_echo "#define in_addr_t uint32_t" >>confdefs.h + +fi + +ac_fn_c_check_type "$LINENO" "in_port_t" "ac_cv_type_in_port_t" " +#if HAVE_SYS_TYPES_H +# include +#endif +#if HAVE_NETINET_IN_H +# include +#endif +" +if test "x$ac_cv_type_in_port_t" = xyes; then : + +else + +$as_echo "#define in_port_t uint16_t" >>confdefs.h + +fi + + +# check to see if libraries are needed for these functions. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing socket" >&5 +$as_echo_n "checking for library containing socket... " >&6; } +if ${ac_cv_search_socket+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char socket (); +int +main () +{ +return socket (); + ; + return 0; +} +_ACEOF +for ac_lib in '' socket; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_socket=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_socket+:} false; then : + break +fi +done +if ${ac_cv_search_socket+:} false; then : + +else + ac_cv_search_socket=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_socket" >&5 +$as_echo "$ac_cv_search_socket" >&6; } +ac_res=$ac_cv_search_socket +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing inet_pton" >&5 +$as_echo_n "checking for library containing inet_pton... " >&6; } +if ${ac_cv_search_inet_pton+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char inet_pton (); +int +main () +{ +return inet_pton (); + ; + return 0; +} +_ACEOF +for ac_lib in '' nsl; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_inet_pton=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_inet_pton+:} false; then : + break +fi +done +if ${ac_cv_search_inet_pton+:} false; then : + +else + ac_cv_search_inet_pton=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_inet_pton" >&5 +$as_echo "$ac_cv_search_inet_pton" >&6; } +ac_res=$ac_cv_search_inet_pton +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + + + + +# Check whether --with-ssl was given. +if test "${with_ssl+set}" = set; then : + withval=$with_ssl; + +else + + withval="yes" + +fi + + + withval=$withval + if test x_$withval != x_no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SSL" >&5 +$as_echo_n "checking for SSL... " >&6; } + if test x_$withval = x_ -o x_$withval = x_yes; then + withval="/usr/local/ssl /usr/lib/ssl /usr/ssl /usr/pkg /usr/local /opt/local /usr/sfw /usr" + fi + for dir in $withval; do + ssldir="$dir" + if test -f "$dir/include/openssl/ssl.h"; then + found_ssl="yes" + +cat >>confdefs.h <<_ACEOF +#define HAVE_SSL /**/ +_ACEOF + + if test "$ssldir" != "/usr"; then + CPPFLAGS="$CPPFLAGS -I$ssldir/include" + LIBSSL_CPPFLAGS="$LIBSSL_CPPFLAGS -I$ssldir/include" + fi + break; + fi + done + if test x_$found_ssl != x_yes; then + as_fn_error $? "Cannot find the SSL libraries in $withval" "$LINENO" 5 + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: found in $ssldir" >&5 +$as_echo "found in $ssldir" >&6; } + HAVE_SSL=yes + if test "$ssldir" != "/usr" -a "$ssldir" != ""; then + LDFLAGS="$LDFLAGS -L$ssldir/lib" + LIBSSL_LDFLAGS="$LIBSSL_LDFLAGS -L$ssldir/lib" + + if test "x$enable_rpath" = xyes; then + if echo "$ssldir/lib" | grep "^/" >/dev/null; then + RUNTIME_PATH="$RUNTIME_PATH -R$ssldir/lib" + fi + fi + + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for HMAC_CTX_init in -lcrypto" >&5 +$as_echo_n "checking for HMAC_CTX_init in -lcrypto... " >&6; } + LIBS="$LIBS -lcrypto" + LIBSSL_LIBS="$LIBSSL_LIBS -lcrypto" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + int HMAC_CTX_init(void); + (void)HMAC_CTX_init(); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_HMAC_CTX_INIT 1" >>confdefs.h + + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + # check if -lwsock32 or -lgdi32 are needed. + BAKLIBS="$LIBS" + BAKSSLLIBS="$LIBSSL_LIBS" + LIBS="$LIBS -lgdi32" + LIBSSL_LIBS="$LIBSSL_LIBS -lgdi32" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if -lcrypto needs -lgdi32" >&5 +$as_echo_n "checking if -lcrypto needs -lgdi32... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + int HMAC_CTX_init(void); + (void)HMAC_CTX_init(); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + +$as_echo "#define HAVE_HMAC_CTX_INIT 1" >>confdefs.h + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + LIBS="$BAKLIBS" + LIBSSL_LIBS="$BAKSSLLIBS" + LIBS="$LIBS -ldl" + LIBSSL_LIBS="$LIBSSL_LIBS -ldl" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if -lcrypto needs -ldl" >&5 +$as_echo_n "checking if -lcrypto needs -ldl... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + int HMAC_CTX_init(void); + (void)HMAC_CTX_init(); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + +$as_echo "#define HAVE_HMAC_CTX_INIT 1" >>confdefs.h + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? "OpenSSL found in $ssldir, but version 0.9.7 or higher is required" "$LINENO" 5 + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + fi + + + # openssl engine functionality needs dlopen(). + BAKLIBS="$LIBS" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5 +$as_echo_n "checking for library containing dlopen... " >&6; } +if ${ac_cv_search_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +for ac_lib in '' dl; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_dlopen=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_dlopen+:} false; then : + break +fi +done +if ${ac_cv_search_dlopen+:} false; then : + +else + ac_cv_search_dlopen=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5 +$as_echo "$ac_cv_search_dlopen" >&6; } +ac_res=$ac_cv_search_dlopen +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + + if test "$LIBS" != "$BAKLIBS"; then + LIBSSL_LIBS="$LIBSSL_LIBS -ldl" + fi + fi +for ac_header in openssl/ssl.h +do : + ac_fn_c_check_header_compile "$LINENO" "openssl/ssl.h" "ac_cv_header_openssl_ssl_h" "$ac_includes_default +" +if test "x$ac_cv_header_openssl_ssl_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_OPENSSL_SSL_H 1 +_ACEOF + +fi + +done + +for ac_header in openssl/err.h +do : + ac_fn_c_check_header_compile "$LINENO" "openssl/err.h" "ac_cv_header_openssl_err_h" "$ac_includes_default +" +if test "x$ac_cv_header_openssl_err_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_OPENSSL_ERR_H 1 +_ACEOF + +fi + +done + +for ac_header in openssl/rand.h +do : + ac_fn_c_check_header_compile "$LINENO" "openssl/rand.h" "ac_cv_header_openssl_rand_h" "$ac_includes_default +" +if test "x$ac_cv_header_openssl_rand_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_OPENSSL_RAND_H 1 +_ACEOF + +fi + +done + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getaddrinfo" >&5 +$as_echo_n "checking for getaddrinfo... " >&6; } +ac_cv_func_getaddrinfo=no +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#ifdef __cplusplus +extern "C" +{ +#endif +char* getaddrinfo(); +char* (*f) () = getaddrinfo; +#ifdef __cplusplus +} +#endif +int main() { + ; + return 0; +} + +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_func_getaddrinfo="yes" +else + ORIGLIBS="$LIBS" +LIBS="$LIBS -lws2_32" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#ifdef HAVE_WS2TCPIP_H +#include +#endif + +int +main () +{ + + (void)getaddrinfo(NULL, NULL, NULL, NULL); + + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + +ac_cv_func_getaddrinfo="yes" + +$as_echo "#define USE_WINSOCK 1" >>confdefs.h + +USE_WINSOCK="1" + +else + +ac_cv_func_getaddrinfo="no" +LIBS="$ORIGLIBS" + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_getaddrinfo" >&5 +$as_echo "$ac_cv_func_getaddrinfo" >&6; } +if test $ac_cv_func_getaddrinfo = yes; then + +$as_echo "#define HAVE_GETADDRINFO 1" >>confdefs.h + +fi + + +LIBS_STC="$LIBS" + + +# check for ldns + +# Check whether --with-ldns was given. +if test "${with_ldns+set}" = set; then : + withval=$with_ldns; + specialldnsdir="$withval" + CPPFLAGS="$CPPFLAGS -I$withval/include" + LDFLAGS="-L$withval -L$withval/lib $LDFLAGS" + LDNSDIR="$withval" + LIBS="-lldns $LIBS" + LIBS_STC="$withval/lib/libldns.a $LIBS_STC" + + +fi + + +#AC_CHECK_HEADER(ldns/ldns.h,, [ +# AC_MSG_ERROR([Can't find ldns headers (make copy-headers in devel source.)]) +# ], [AC_INCLUDES_DEFAULT] +#) + +for ac_func in isblank +do : + ac_fn_c_check_func "$LINENO" "isblank" "ac_cv_func_isblank" +if test "x$ac_cv_func_isblank" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_ISBLANK 1 +_ACEOF + +fi +done + + +# check for ldns development source tree +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ldns devel source" >&5 +$as_echo_n "checking for ldns devel source... " >&6; } +ldns_dev_dir=.. +if test -f $ldns_dev_dir/ldns/util.h && \ + grep LDNS_VERSION $ldns_dev_dir/ldns/util.h >/dev/null; then + ldns_version=`grep LDNS_VERSION $ldns_dev_dir/ldns/util.h | sed -e 's/^.*"\(.*\)".*$/\1/'` + { $as_echo "$as_me:${as_lineno-$LINENO}: result: using $ldns_dev_dir with $ldns_version" >&5 +$as_echo "using $ldns_dev_dir with $ldns_version" >&6; } + CPPFLAGS="$CPPFLAGS -I$ldns_dev_dir/include" + LDFLAGS="-L$ldns_dev_dir -L$ldns_dev_dir/lib $LDFLAGS" + LIBS="-lldns $LIBS" + +$as_echo "#define HAVE_LIBLDNS 1" >>confdefs.h + + LDNSDIR="$ldns_dev_dir" + LIBS_STC="$ldns_dev_dir/lib/libldns.a $LIBS_STC" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ldns_rr_new in -lldns" >&5 +$as_echo_n "checking for ldns_rr_new in -lldns... " >&6; } +if ${ac_cv_lib_ldns_ldns_rr_new+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lldns $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char ldns_rr_new (); +int +main () +{ +return ldns_rr_new (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_ldns_ldns_rr_new=yes +else + ac_cv_lib_ldns_ldns_rr_new=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ldns_ldns_rr_new" >&5 +$as_echo "$ac_cv_lib_ldns_ldns_rr_new" >&6; } +if test "x$ac_cv_lib_ldns_ldns_rr_new" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBLDNS 1 +_ACEOF + + LIBS="-lldns $LIBS" + +else + + as_fn_error $? "Can't find ldns library" "$LINENO" 5 + + +fi + +fi + + + + + +ac_config_files="$ac_config_files Makefile drill.h" + +ac_config_headers="$ac_config_headers config.h" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. 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"cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + +if test -x / >/dev/null 2>&1; then + as_test_x='test -x' +else + if ls -dL / >/dev/null 2>&1; then + as_ls_L_option=L + else + as_ls_L_option= + fi + as_test_x=' + eval sh -c '\'' + if test -d "$1"; then + test -d "$1/."; + else + case $1 in #( + -*)set "./$1";; + esac; + case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #(( + ???[sx]*):;;*)false;;esac;fi + '\'' sh + ' +fi +as_executable_p=$as_test_x + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by ldns $as_me 1.6.9, which was +generated by GNU Autoconf 2.68. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Report bugs to ." + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" +ac_cs_version="\\ +ldns config.status 1.6.9 +configured by $0, generated by GNU Autoconf 2.68, + with options \\"\$ac_cs_config\\" + +Copyright (C) 2010 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=?*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + $as_echo "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + $as_echo "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? 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"invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' >$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' >$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS " +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;; + :[FH]-) ac_tag=-:-;; + :[FH]*) ac_tag=$ac_tag:$ac_tag.in;; + esac + ac_save_IFS=$IFS + IFS=: + set x $ac_tag + IFS=$ac_save_IFS + shift + ac_file=$1 + shift + + case $ac_mode in + :L) ac_source=$1;; + :[FH]) + ac_file_inputs= + for ac_f + do + case $ac_f in + -) ac_f="$ac_tmp/stdin";; + *) # Look for the file first in the build tree, then in the source tree + # (if the path is not absolute). The absolute path cannot be DOS-style, + # because $ac_f cannot contain `:'. + test -f "$ac_f" || + case $ac_f in + [\\/$]*) false;; + *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";; + esac || + as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;; + esac + case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac + as_fn_append ac_file_inputs " '$ac_f'" + done + + # Let's still pretend it is `configure' which instantiates (i.e., don't + # use $as_me), people would be surprised to read: + # /* config.h. Generated by config.status. */ + configure_input='Generated from '` + $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g' + `' by configure.' + if test x"$ac_file" != x-; then + configure_input="$ac_file. $configure_input" + { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5 +$as_echo "$as_me: creating $ac_file" >&6;} + fi + # Neutralize special characters interpreted by sed in replacement strings. + case $configure_input in #( + *\&* | *\|* | *\\* ) + ac_sed_conf_input=`$as_echo "$configure_input" | + sed 's/[\\\\&|]/\\\\&/g'`;; #( + *) ac_sed_conf_input=$configure_input;; + esac + + case $ac_tag in + *:-:* | *:-) cat >"$ac_tmp/stdin" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;; + esac + ;; + esac + + ac_dir=`$as_dirname -- "$ac_file" || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir="$ac_dir"; as_fn_mkdir_p + ac_builddir=. + +case "$ac_dir" in +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; +*) + ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'` + # A ".." for each directory in $ac_dir_suffix. + ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` + case $ac_top_builddir_sub in + "") ac_top_builddir_sub=. ac_top_build_prefix= ;; + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; + esac ;; +esac +ac_abs_top_builddir=$ac_pwd +ac_abs_builddir=$ac_pwd$ac_dir_suffix +# for backward compatibility: +ac_top_builddir=$ac_top_build_prefix + +case $srcdir in + .) # We are building in place. + ac_srcdir=. + ac_top_srcdir=$ac_top_builddir_sub + ac_abs_top_srcdir=$ac_pwd ;; + [\\/]* | ?:[\\/]* ) # Absolute name. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir + ac_abs_top_srcdir=$srcdir ;; + *) # Relative name. + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_build_prefix$srcdir + ac_abs_top_srcdir=$ac_pwd/$srcdir ;; +esac +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix + + + case $ac_mode in + :F) + # + # CONFIG_FILE + # + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# If the template does not know about datarootdir, expand it. +# FIXME: This hack should be removed a few years after 2.60. +ac_datarootdir_hack=; ac_datarootdir_seen= +ac_sed_dataroot=' +/datarootdir/ { + p + q +} +/@datadir@/p +/@docdir@/p +/@infodir@/p +/@localedir@/p +/@mandir@/p' +case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in +*datarootdir*) ac_datarootdir_seen=yes;; +*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5 +$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;} +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + ac_datarootdir_hack=' + s&@datadir@&$datadir&g + s&@docdir@&$docdir&g + s&@infodir@&$infodir&g + s&@localedir@&$localedir&g + s&@mandir@&$mandir&g + s&\\\${datarootdir}&$datarootdir&g' ;; +esac +_ACEOF + +# Neutralize VPATH when `$srcdir' = `.'. +# Shell code in configure.ac might set extrasub. +# FIXME: do we really want to maintain this feature? +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_sed_extra="$ac_vpsub +$extrasub +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +:t +/@[a-zA-Z_][a-zA-Z_0-9]*@/!b +s|@configure_input@|$ac_sed_conf_input|;t t +s&@top_builddir@&$ac_top_builddir_sub&;t t +s&@top_build_prefix@&$ac_top_build_prefix&;t t +s&@srcdir@&$ac_srcdir&;t t +s&@abs_srcdir@&$ac_abs_srcdir&;t t +s&@top_srcdir@&$ac_top_srcdir&;t t +s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t +s&@builddir@&$ac_builddir&;t t +s&@abs_builddir@&$ac_abs_builddir&;t t +s&@abs_top_builddir@&$ac_abs_top_builddir&;t t +$ac_datarootdir_hack +" +eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \ + >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + +test -z "$ac_datarootdir_hack$ac_datarootdir_seen" && + { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } && + { ac_out=`sed -n '/^[ ]*datarootdir[ ]*:*=/p' \ + "$ac_tmp/out"`; test -z "$ac_out"; } && + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&5 +$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&2;} + + rm -f "$ac_tmp/stdin" + case $ac_file in + -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";; + *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";; + esac \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + ;; + :H) + # + # CONFIG_HEADER + # + if test x"$ac_file" != x-; then + { + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" + } >"$ac_tmp/config.h" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then + { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5 +$as_echo "$as_me: $ac_file is unchanged" >&6;} + else + rm -f "$ac_file" + mv "$ac_tmp/config.h" "$ac_file" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + fi + else + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \ + || as_fn_error $? "could not create -" "$LINENO" 5 + fi + ;; + + + esac + +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + diff --git a/libs/ldns/drill/configure.ac b/libs/ldns/drill/configure.ac new file mode 100644 index 0000000000..3c5a6f2e00 --- /dev/null +++ b/libs/ldns/drill/configure.ac @@ -0,0 +1,261 @@ +# -*- Autoconf -*- +# Process this file with autoconf to produce a configure script. + +AC_PREREQ(2.56) +AC_INIT(ldns, 1.6.9, libdns@nlnetlabs.nl,libdns) +AC_CONFIG_SRCDIR([drill.c]) +sinclude(../acx_nlnetlabs.m4) + +OURCPPFLAGS='' +CPPFLAGS=${CPPFLAGS:-${OURCPPFLAGS}} +OURCFLAGS='-g' +CFLAGS=${CFLAGS:-${OURCFLAGS}} +AC_DEFINE(WINVER, 0x0502, [the version of the windows API enabled]) + +AC_AIX +# Checks for programs. +AC_PROG_CC +AC_PROG_MAKE_SET +AC_CHECK_PROGS(libtool, [glibtool libtool15 libtool], [../libtool]) + +# add option to disable the evil rpath +dnl Check whether to use rpath or not +AC_ARG_ENABLE(rpath, + [ --disable-rpath disable hardcoded rpath (default=enabled)], + enable_rpath=$enableval, enable_rpath=yes) + +if test "x$enable_rpath" = xyes; then + RPATH_VAL="-Wl,-rpath=\${libdir}" +fi + + +ACX_CHECK_COMPILER_FLAG(std=c99, [C99FLAG="-std=c99"]) +ACX_CHECK_COMPILER_FLAG(xc99, [C99FLAG="-xc99"]) + +AC_TYPE_SIZE_T +ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"]) + +ACX_CHECK_COMPILER_FLAG_NEEDED($C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600, +[ +#include "confdefs.h" +#include +#include +#include +#ifdef HAVE_TIME_H +#include +#endif +#include +#ifdef HAVE_GETOPT_H +#include +#endif + +int test() { + int a; + char **opts = NULL; + struct timeval tv; + char *t; + time_t time = 0; + char *buf = NULL; + t = ctime_r(&time, buf); + tv.tv_usec = 10; + srandom(32); + a = getopt(2, opts, "a"); + a = isascii(32); + return a; +} +], [CFLAGS="$CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600"]) + + +ACX_CHECK_COMPILER_FLAG_NEEDED($C99FLAG, [#include ], [CFLAGS="$CFLAGS $C99FLAG"]) + +AC_C_INLINE +AC_CHECK_TYPE(int8_t, char) +AC_CHECK_TYPE(int16_t, short) +AC_CHECK_TYPE(int32_t, int) +AC_CHECK_TYPE(int64_t, long long) +AC_CHECK_TYPE(uint8_t, unsigned char) +AC_CHECK_TYPE(uint16_t, unsigned short) +AC_CHECK_TYPE(uint32_t, unsigned int) +AC_CHECK_TYPE(uint64_t, unsigned long long) +AC_CHECK_TYPE(ssize_t, int) + +AC_CHECK_HEADERS([sys/types.h getopt.h stdlib.h stdio.h assert.h netinet/in.h ctype.h time.h arpa/inet.h sys/time.h sys/socket.h sys/select.h],,, [AC_INCLUDES_DEFAULT]) +AC_CHECK_HEADERS([netinet/in_systm.h net/if.h netinet/ip.h netinet/udp.h netinet/if_ether.h netinet/ip6.h],,, [ +AC_INCLUDES_DEFAULT +#ifdef HAVE_NETINET_IN_SYSTM_H +#include +#endif +#ifdef HAVE_NETINET_IN_H +#include +#endif +#ifdef HAVE_SYS_SOCKET_H +#include +#endif +#ifdef HAVE_NET_IF_H +#include +#endif]) +# MinGW32 tests +AC_CHECK_HEADERS([winsock2.h ws2tcpip.h],,, [AC_INCLUDES_DEFAULT]) + +ACX_TYPE_SOCKLEN_T +AC_CHECK_HEADERS([sys/param.h sys/mount.h],,, +[AC_INCLUDES_DEFAULT] +[ + [ + #if HAVE_SYS_PARAM_H + # include + #endif + ] +]) +AC_CHECK_TYPE(in_addr_t, [], [AC_DEFINE([in_addr_t], [uint32_t], [in_addr_t])], [ +#if HAVE_SYS_TYPES_H +# include +#endif +#if HAVE_NETINET_IN_H +# include +#endif]) +AC_CHECK_TYPE(in_port_t, [], [AC_DEFINE([in_port_t], [uint16_t], [in_port_t])], [ +#if HAVE_SYS_TYPES_H +# include +#endif +#if HAVE_NETINET_IN_H +# include +#endif]) + +# check to see if libraries are needed for these functions. +AC_SEARCH_LIBS(socket, socket) +AC_SEARCH_LIBS([inet_pton], [nsl]) + +ACX_WITH_SSL_OPTIONAL + +ACX_CHECK_GETADDRINFO_WITH_INCLUDES + +LIBS_STC="$LIBS" +AC_SUBST(LIBS_STC) + +# check for ldns +AC_ARG_WITH(ldns, + AC_HELP_STRING([--with-ldns=PATH specify prefix of path of ldns library to use]) + , + [ + specialldnsdir="$withval" + CPPFLAGS="$CPPFLAGS -I$withval/include" + LDFLAGS="-L$withval -L$withval/lib $LDFLAGS" + LDNSDIR="$withval" + LIBS="-lldns $LIBS" + LIBS_STC="$withval/lib/libldns.a $LIBS_STC" + ] +) + +#AC_CHECK_HEADER(ldns/ldns.h,, [ +# AC_MSG_ERROR([Can't find ldns headers (make copy-headers in devel source.)]) +# ], [AC_INCLUDES_DEFAULT] +#) + +AC_CHECK_FUNCS(isblank) + +# check for ldns development source tree +AC_MSG_CHECKING([for ldns devel source]) +ldns_dev_dir=.. +if test -f $ldns_dev_dir/ldns/util.h && \ + grep LDNS_VERSION $ldns_dev_dir/ldns/util.h >/dev/null; then + ldns_version=`grep LDNS_VERSION $ldns_dev_dir/ldns/util.h | sed -e 's/^.*"\(.*\)".*$/\1/'` + AC_MSG_RESULT([using $ldns_dev_dir with $ldns_version]) + CPPFLAGS="$CPPFLAGS -I$ldns_dev_dir/include" + LDFLAGS="-L$ldns_dev_dir -L$ldns_dev_dir/lib $LDFLAGS" + LIBS="-lldns $LIBS" + AC_DEFINE(HAVE_LIBLDNS, 1, [If the ldns library is available.]) + LDNSDIR="$ldns_dev_dir" + LIBS_STC="$ldns_dev_dir/lib/libldns.a $LIBS_STC" +else + AC_MSG_RESULT([no]) + AC_CHECK_LIB(ldns, ldns_rr_new, , [ + AC_MSG_ERROR([Can't find ldns library]) + ] + ) +fi + +AC_SUBST(LDNSDIR) + +AH_BOTTOM([ + +#include +#include +#include +#include + +#if STDC_HEADERS +#include +#include +#endif + +#ifdef HAVE_STDINT_H +#include +#endif + +#ifdef HAVE_SYS_SOCKET_H +#include +#endif + +#ifdef HAVE_NETINET_IN_H +#include +#endif + +#ifdef HAVE_ARPA_INET_H +#include +#endif + +#ifdef HAVE_NETINET_UDP_H +#include +#endif + +#ifdef HAVE_TIME_H +#include +#endif + +#ifdef HAVE_NETINET_IN_SYSTM_H +#include +#endif + +#ifdef HAVE_NETINET_IP_H +#include +#endif + +#ifdef HAVE_NET_IF_H +#include +#endif + +#ifdef HAVE_NETINET_IF_ETHER_H +#include +#endif + +#ifdef HAVE_WINSOCK2_H +#define USE_WINSOCK 1 +#include +#endif + +#ifdef HAVE_WS2TCPIP_H +#include +#endif + +extern char *optarg; +extern int optind, opterr; + +#ifndef EXIT_FAILURE +#define EXIT_FAILURE 1 +#endif +#ifndef EXIT_SUCCESS +#define EXIT_SUCCESS 0 +#endif + +#ifdef S_SPLINT_S +#define FD_ZERO(a) /* a */ +#define FD_SET(a,b) /* a, b */ +#endif +]) + +AC_CONFIG_FILES([Makefile + drill.h + ]) +AC_CONFIG_HEADER([config.h]) +AC_OUTPUT diff --git a/libs/ldns/drill/dnssec.c b/libs/ldns/drill/dnssec.c new file mode 100644 index 0000000000..930ac7ce13 --- /dev/null +++ b/libs/ldns/drill/dnssec.c @@ -0,0 +1,509 @@ +/* + * dnssec.c + * Some DNSSEC helper function are defined here + * and tracing is done + * (c) 2005 NLnet Labs + * + * See the file LICENSE for the license + * + */ + +#include "drill.h" +#include + +/* get rr_type from a server from a server */ +ldns_rr_list * +get_rr(ldns_resolver *res, ldns_rdf *zname, ldns_rr_type t, ldns_rr_class c) +{ + /* query, retrieve, extract and return */ + ldns_pkt *p; + ldns_rr_list *found; + + p = ldns_pkt_new(); + found = NULL; + + if (ldns_resolver_send(&p, res, zname, t, c, 0) != LDNS_STATUS_OK) { + /* oops */ + return NULL; + } else { + found = ldns_pkt_rr_list_by_type(p, t, LDNS_SECTION_ANY_NOQUESTION); + } + return found; +} + +void +drill_pkt_print(FILE *fd, ldns_resolver *r, ldns_pkt *p) +{ + ldns_rr_list *new_nss; + ldns_rr_list *hostnames; + + if (verbosity < 5) { + return; + } + + hostnames = ldns_get_rr_list_name_by_addr(r, ldns_pkt_answerfrom(p), 0, 0); + + new_nss = ldns_pkt_rr_list_by_type(p, + LDNS_RR_TYPE_NS, LDNS_SECTION_ANSWER); + ldns_rr_list_print(fd, new_nss); + + /* new_nss can be empty.... */ + + fprintf(fd, ";; Received %d bytes from %s#%d(", + (int) ldns_pkt_size(p), + ldns_rdf2str(ldns_pkt_answerfrom(p)), + (int) ldns_resolver_port(r)); + /* if we can resolve this print it, other print the ip again */ + if (hostnames) { + ldns_rdf_print(fd, + ldns_rr_rdf(ldns_rr_list_rr(hostnames, 0), 0)); + ldns_rr_list_deep_free(hostnames); + } else { + fprintf(fd, "%s", ldns_rdf2str(ldns_pkt_answerfrom(p))); + } + fprintf(fd, ") in %u ms\n\n", (unsigned int)ldns_pkt_querytime(p)); +} + +void +drill_pkt_print_footer(FILE *fd, ldns_resolver *r, ldns_pkt *p) +{ + ldns_rr_list *hostnames; + + if (verbosity < 5) { + return; + } + + hostnames = ldns_get_rr_list_name_by_addr(r, ldns_pkt_answerfrom(p), 0, 0); + + fprintf(fd, ";; Received %d bytes from %s#%d(", + (int) ldns_pkt_size(p), + ldns_rdf2str(ldns_pkt_answerfrom(p)), + (int) ldns_resolver_port(r)); + /* if we can resolve this print it, other print the ip again */ + if (hostnames) { + ldns_rdf_print(fd, + ldns_rr_rdf(ldns_rr_list_rr(hostnames, 0), 0)); + ldns_rr_list_deep_free(hostnames); + } else { + fprintf(fd, "%s", ldns_rdf2str(ldns_pkt_answerfrom(p))); + } + fprintf(fd, ") in %u ms\n\n", (unsigned int)ldns_pkt_querytime(p)); +} +/* + * generic function to get some RRset from a nameserver + * and possible some signatures too (that would be the day...) + */ +ldns_pkt_type +get_dnssec_rr(ldns_pkt *p, ldns_rdf *name, ldns_rr_type t, + ldns_rr_list **rrlist, ldns_rr_list **sig) +{ + ldns_pkt_type pt = LDNS_PACKET_UNKNOWN; + ldns_rr_list *rr = NULL; + ldns_rr_list *sigs = NULL; + size_t i; + + if (!p) { + if (rrlist) { + *rrlist = NULL; + } + return LDNS_PACKET_UNKNOWN; + } + + pt = ldns_pkt_reply_type(p); + if (name) { + rr = ldns_pkt_rr_list_by_name_and_type(p, name, t, LDNS_SECTION_ANSWER); + if (!rr) { + rr = ldns_pkt_rr_list_by_name_and_type(p, name, t, LDNS_SECTION_AUTHORITY); + } + sigs = ldns_pkt_rr_list_by_name_and_type(p, name, LDNS_RR_TYPE_RRSIG, + LDNS_SECTION_ANSWER); + if (!sigs) { + sigs = ldns_pkt_rr_list_by_name_and_type(p, name, LDNS_RR_TYPE_RRSIG, + LDNS_SECTION_AUTHORITY); + } + } else { + /* A DS-referral - get the DS records if they are there */ + rr = ldns_pkt_rr_list_by_type(p, t, LDNS_SECTION_AUTHORITY); + sigs = ldns_pkt_rr_list_by_type(p, LDNS_RR_TYPE_RRSIG, + LDNS_SECTION_AUTHORITY); + } + if (sig) { + *sig = ldns_rr_list_new(); + for (i = 0; i < ldns_rr_list_rr_count(sigs); i++) { + /* only add the sigs that cover this type */ + if (ldns_rdf2rr_type(ldns_rr_rrsig_typecovered(ldns_rr_list_rr(sigs, i))) == + t) { + ldns_rr_list_push_rr(*sig, ldns_rr_clone(ldns_rr_list_rr(sigs, i))); + } + } + } + ldns_rr_list_deep_free(sigs); + if (rrlist) { + *rrlist = rr; + } + + if (pt == LDNS_PACKET_NXDOMAIN || pt == LDNS_PACKET_NODATA) { + return pt; + } else { + return LDNS_PACKET_ANSWER; + } +} + + +ldns_status +ldns_verify_denial(ldns_pkt *pkt, ldns_rdf *name, ldns_rr_type type, ldns_rr_list **nsec_rrs, ldns_rr_list **nsec_rr_sigs) +{ + uint16_t nsec_i; + + ldns_rr_list *nsecs; + ldns_status result; + + if (verbosity >= 5) { + printf("VERIFY DENIAL FROM:\n"); + ldns_pkt_print(stdout, pkt); + } + + result = LDNS_STATUS_CRYPTO_NO_RRSIG; + /* Try to see if there are NSECS in the packet */ + nsecs = ldns_pkt_rr_list_by_type(pkt, LDNS_RR_TYPE_NSEC, LDNS_SECTION_ANY_NOQUESTION); + if (nsecs) { + for (nsec_i = 0; nsec_i < ldns_rr_list_rr_count(nsecs); nsec_i++) { + /* there are four options: + * - name equals ownername and is covered by the type bitmap + * - name equals ownername but is not covered by the type bitmap + * - name falls within nsec coverage but is not equal to the owner name + * - name falls outside of nsec coverage + */ + if (ldns_dname_compare(ldns_rr_owner(ldns_rr_list_rr(nsecs, nsec_i)), name) == 0) { + /* + printf("CHECKING NSEC:\n"); + ldns_rr_print(stdout, ldns_rr_list_rr(nsecs, nsec_i)); + printf("DAWASEM\n"); + */ + if (ldns_nsec_bitmap_covers_type( + ldns_nsec_get_bitmap(ldns_rr_list_rr(nsecs, + nsec_i)), + type)) { + /* Error, according to the nsec this rrset is signed */ + result = LDNS_STATUS_CRYPTO_NO_RRSIG; + } else { + /* ok nsec denies existence */ + if (verbosity >= 3) { + printf(";; Existence of data set with this type denied by NSEC\n"); + } + /*printf(";; Verifiably insecure.\n");*/ + if (nsec_rrs && nsec_rr_sigs) { + (void) get_dnssec_rr(pkt, ldns_rr_owner(ldns_rr_list_rr(nsecs, nsec_i)), LDNS_RR_TYPE_NSEC, nsec_rrs, nsec_rr_sigs); + } + ldns_rr_list_deep_free(nsecs); + return LDNS_STATUS_OK; + } + } else if (ldns_nsec_covers_name(ldns_rr_list_rr(nsecs, nsec_i), name)) { + if (verbosity >= 3) { + printf(";; Existence of data set with this name denied by NSEC\n"); + } + if (nsec_rrs && nsec_rr_sigs) { + (void) get_dnssec_rr(pkt, ldns_rr_owner(ldns_rr_list_rr(nsecs, nsec_i)), LDNS_RR_TYPE_NSEC, nsec_rrs, nsec_rr_sigs); + } + ldns_rr_list_deep_free(nsecs); + return LDNS_STATUS_OK; + } else { + /* nsec has nothing to do with this data */ + } + } + ldns_rr_list_deep_free(nsecs); + } else if( (nsecs = ldns_pkt_rr_list_by_type(pkt, LDNS_RR_TYPE_NSEC3, LDNS_SECTION_ANY_NOQUESTION)) ) { + ldns_rr_list* sigs = ldns_pkt_rr_list_by_type(pkt, LDNS_RR_TYPE_RRSIG, LDNS_SECTION_ANY_NOQUESTION); + ldns_rr* q = ldns_rr_new(); + if(!sigs) return LDNS_STATUS_MEM_ERR; + if(!q) return LDNS_STATUS_MEM_ERR; + ldns_rr_set_question(q, 1); + ldns_rr_set_ttl(q, 0); + ldns_rr_set_owner(q, ldns_rdf_clone(name)); + if(!ldns_rr_owner(q)) return LDNS_STATUS_MEM_ERR; + ldns_rr_set_type(q, type); + + result = ldns_dnssec_verify_denial_nsec3(q, nsecs, sigs, ldns_pkt_get_rcode(pkt), type, ldns_pkt_ancount(pkt) == 0); + ldns_rr_free(q); + ldns_rr_list_deep_free(nsecs); + ldns_rr_list_deep_free(sigs); + } + return result; +} + +/* NSEC3 draft -07 */ +/*return hash name match*/ +ldns_rr * +ldns_nsec3_exact_match(ldns_rdf *qname, ldns_rr_type qtype, ldns_rr_list *nsec3s) { + uint8_t algorithm; + uint32_t iterations; + uint8_t salt_length; + uint8_t *salt; + + ldns_rdf *sname, *hashed_sname; + + size_t nsec_i; + ldns_rr *nsec; + ldns_rr *result = NULL; + + ldns_status status; + + const ldns_rr_descriptor *descriptor; + + ldns_rdf *zone_name; + + if (verbosity >= 4) { + printf(";; finding exact match for "); + descriptor = ldns_rr_descript(qtype); + if (descriptor && descriptor->_name) { + printf("%s ", descriptor->_name); + } else { + printf("TYPE%d ", qtype); + } + ldns_rdf_print(stdout, qname); + printf("\n"); + } + + if (!qname || !nsec3s || ldns_rr_list_rr_count(nsec3s) < 1) { + if (verbosity >= 4) { + printf("no qname, nsec3s or list empty\n"); + } + return NULL; + } + + nsec = ldns_rr_list_rr(nsec3s, 0); + algorithm = ldns_nsec3_algorithm(nsec); + salt_length = ldns_nsec3_salt_length(nsec); + salt = ldns_nsec3_salt_data(nsec); + iterations = ldns_nsec3_iterations(nsec); + + sname = ldns_rdf_clone(qname); + + if (verbosity >= 4) { + printf(";; owner name hashes to: "); + } + hashed_sname = ldns_nsec3_hash_name(sname, algorithm, iterations, salt_length, salt); + + zone_name = ldns_dname_left_chop(ldns_rr_owner(nsec)); + status = ldns_dname_cat(hashed_sname, zone_name); + + if (verbosity >= 4) { + ldns_rdf_print(stdout, hashed_sname); + printf("\n"); + } + + for (nsec_i = 0; nsec_i < ldns_rr_list_rr_count(nsec3s); nsec_i++) { + nsec = ldns_rr_list_rr(nsec3s, nsec_i); + + /* check values of iterations etc! */ + + /* exact match? */ + if (ldns_dname_compare(ldns_rr_owner(nsec), hashed_sname) == 0) { + result = nsec; + goto done; + } + + } + +done: + ldns_rdf_deep_free(zone_name); + ldns_rdf_deep_free(sname); + ldns_rdf_deep_free(hashed_sname); + LDNS_FREE(salt); + + if (verbosity >= 4) { + if (result) { + printf(";; Found.\n"); + } else { + printf(";; Not foud.\n"); + } + } + return result; +} + +/*return the owner name of the closest encloser for name from the list of rrs */ +/* this is NOT the hash, but the original name! */ +ldns_rdf * +ldns_nsec3_closest_encloser(ldns_rdf *qname, ldns_rr_type qtype, ldns_rr_list *nsec3s) +{ + /* remember parameters, they must match */ + uint8_t algorithm; + uint32_t iterations; + uint8_t salt_length; + uint8_t *salt; + + ldns_rdf *sname, *hashed_sname, *tmp; + ldns_rr *ce; + bool flag; + + bool exact_match_found; + bool in_range_found; + + ldns_status status; + ldns_rdf *zone_name; + + size_t nsec_i; + ldns_rr *nsec; + ldns_rdf *result = NULL; + + if (!qname || !nsec3s || ldns_rr_list_rr_count(nsec3s) < 1) { + return NULL; + } + + if (verbosity >= 4) { + printf(";; finding closest encloser for type %d ", qtype); + ldns_rdf_print(stdout, qname); + printf("\n"); + } + + nsec = ldns_rr_list_rr(nsec3s, 0); + algorithm = ldns_nsec3_algorithm(nsec); + salt_length = ldns_nsec3_salt_length(nsec); + salt = ldns_nsec3_salt_data(nsec); + iterations = ldns_nsec3_iterations(nsec); + + sname = ldns_rdf_clone(qname); + + ce = NULL; + flag = false; + + zone_name = ldns_dname_left_chop(ldns_rr_owner(nsec)); + + /* algorithm from nsec3-07 8.3 */ + while (ldns_dname_label_count(sname) > 0) { + exact_match_found = false; + in_range_found = false; + + if (verbosity >= 3) { + printf(";; "); + ldns_rdf_print(stdout, sname); + printf(" hashes to: "); + } + hashed_sname = ldns_nsec3_hash_name(sname, algorithm, iterations, salt_length, salt); + + status = ldns_dname_cat(hashed_sname, zone_name); + + if (verbosity >= 3) { + ldns_rdf_print(stdout, hashed_sname); + printf("\n"); + } + + for (nsec_i = 0; nsec_i < ldns_rr_list_rr_count(nsec3s); nsec_i++) { + nsec = ldns_rr_list_rr(nsec3s, nsec_i); + + /* check values of iterations etc! */ + + /* exact match? */ + if (ldns_dname_compare(ldns_rr_owner(nsec), hashed_sname) == 0) { + if (verbosity >= 4) { + printf(";; exact match found\n"); + } + exact_match_found = true; + } else if (ldns_nsec_covers_name(nsec, hashed_sname)) { + if (verbosity >= 4) { + printf(";; in range of an nsec\n"); + } + in_range_found = true; + } + + } + if (!exact_match_found && in_range_found) { + flag = true; + } else if (exact_match_found && flag) { + result = ldns_rdf_clone(sname); + } else if (exact_match_found && !flag) { + // error! + if (verbosity >= 4) { + printf(";; the closest encloser is the same name (ie. this is an exact match, ie there is no closest encloser)\n"); + } + ldns_rdf_deep_free(hashed_sname); + goto done; + } else { + flag = false; + } + + ldns_rdf_deep_free(hashed_sname); + tmp = sname; + sname = ldns_dname_left_chop(sname); + ldns_rdf_deep_free(tmp); + } + + done: + LDNS_FREE(salt); + ldns_rdf_deep_free(zone_name); + ldns_rdf_deep_free(sname); + + if (!result) { + if (verbosity >= 4) { + printf(";; no closest encloser found\n"); + } + } + + /* todo checks from end of 6.2. here or in caller? */ + return result; +} + + +/* special case were there was a wildcard expansion match, the exact match must be disproven */ +ldns_status +ldns_verify_denial_wildcard(ldns_pkt *pkt, ldns_rdf *name, ldns_rr_type type, ldns_rr_list **nsec_rrs, ldns_rr_list **nsec_rr_sigs) +{ + ldns_rdf *nsec3_ce = NULL; + ldns_rr *nsec3_ex = NULL; + ldns_rdf *wildcard_name = NULL; + ldns_rdf *nsec3_wc_ce = NULL; + ldns_rr *nsec3_wc_ex = NULL; + ldns_rdf *chopped_dname = NULL; + ldns_rr_list *nsecs; + ldns_status result = LDNS_STATUS_ERR; + + nsecs = ldns_pkt_rr_list_by_type(pkt, LDNS_RR_TYPE_NSEC3, LDNS_SECTION_ANY_NOQUESTION); + if (nsecs) { + wildcard_name = ldns_dname_new_frm_str("*"); + chopped_dname = ldns_dname_left_chop(name); + result = ldns_dname_cat(wildcard_name, chopped_dname); + ldns_rdf_deep_free(chopped_dname); + + nsec3_ex = ldns_nsec3_exact_match(name, type, nsecs); + nsec3_ce = ldns_nsec3_closest_encloser(name, type, nsecs); + nsec3_wc_ce = ldns_nsec3_closest_encloser(wildcard_name, type, nsecs); + nsec3_wc_ex = ldns_nsec3_exact_match(wildcard_name, type, nsecs); + + if (nsec3_ex) { + if (verbosity >= 3) { + printf(";; Error, exact match for for name found, but should not exist (draft -07 section 8.8)\n"); + } + result = LDNS_STATUS_NSEC3_ERR; + } else if (!nsec3_ce) { + if (verbosity >= 3) { + printf(";; Error, closest encloser for exact match missing in wildcard response (draft -07 section 8.8)\n"); + } + result = LDNS_STATUS_NSEC3_ERR; +/* + } else if (!nsec3_wc_ex) { + printf(";; Error, no wildcard nsec3 match: "); + ldns_rdf_print(stdout, wildcard_name); + printf(" (draft -07 section 8.8)\n"); + result = LDNS_STATUS_NSEC3_ERR; +*/ +/* } else if (!nsec */ + } else { + if (verbosity >= 3) { + printf(";; wilcard expansion proven\n"); + } + result = LDNS_STATUS_OK; + } + } else { + if (verbosity >= 3) { + printf(";; Error: no NSEC or NSEC3 records in answer\n"); + } + result = LDNS_STATUS_CRYPTO_NO_RRSIG; + } + + if (nsecs && nsec_rrs && nsec_rr_sigs) { + (void) get_dnssec_rr(pkt, ldns_rr_owner(ldns_rr_list_rr(nsecs, 0)), LDNS_RR_TYPE_NSEC3, nsec_rrs, nsec_rr_sigs); + } + return result; +} + + diff --git a/libs/ldns/drill/drill.1 b/libs/ldns/drill/drill.1 new file mode 100644 index 0000000000..24cfd6dabe --- /dev/null +++ b/libs/ldns/drill/drill.1 @@ -0,0 +1,230 @@ +.\" @(#)drill.1 1.7.0 14-Jul-2004 OF; +.TH drill 1 "28 May 2006" +.SH NAME +drill \- get (debug) information out of DNS(SEC) +.SH SYNOPSIS +.B drill +[ +.IR OPTIONS +] +.IR name +[ +.IR @server +] +[ +.IR type +] +[ +.IR class +] + +.SH DESCRIPTION +\fBdrill\fR is a tool to designed to get all sorts of information out of the +DNS. It is specificly designed to be used with DNSSEC. +.PP +The name \fBdrill\fR is a pun on \fBdig\fR. With \fBdrill\fR you should be able +get even more information than with \fBdig\fR. +.PP +If no arguments are given class defaults to 'IN' and type to 'A'. The +server(s) specified in /etc/resolv.conf are used to query against. + +.PP +\fIname\fR +Ask for this name. + +.PP +\fI@server\fR +Send to query to this server. If not specified use the nameservers from +\fI/etc/resolv.conf\fR. + +.PP +\fItype\fR +Ask for this RR type. If type is not given on the command line it defaults +to 'A'. Except when doing to reverse lookup when it defaults to 'PTR'. + +.PP +\fIclass\fR +Use this class when querying. + +.SH SAMPLE USAGE +\fBdrill mx miek.nl\fR +Show the MX records of the domain miek.nl + +.TP +\fBdrill -S jelte.nlnetlabs.nl\fR +Chase any signatures in the jelte.nlnetlab.nl domain. This option is +only available when ldns has been compiled with openssl-support. + +.TP +\fBdrill -TD www.example.com\fR +Do a DNSSEC (-D) trace (-T) from the rootservers down to www.example.com. +This option only works when ldns has been compiled with openssl support. + +.TP +\fBdrill -s dnskey jelte.nlnetlabs.nl\fR +Show the DNSKEY record(s) for jelte.nlnetlabs.nl. For each found DNSKEY +record also print the DS record. + +.SH OPTIONS + +.TP +\fB\-D +Enable DNSSEC in the query. When querying for DNSSEC types (DNSKEY, RRSIG, +DS and NSEC) this is \fInot\fR automaticly enabled. + +.TP +\fB\-T +Trace \fIname\fR from the root down. When using this option the @server and +the type arguments are not used. + +.TP +\fB\-S +Chase the signature(s) of 'name' to a known key or as high up in +the tree as possible. + +.TP +\fB\-V \fIlevel\fR +Be more verbose. Set level to 5 to see the actual query that is sent. + +.TP +\fB\-Q +Quiet mode, this overrules -V. + +.TP +\fB\-f \fIfile\fR +Read the query from a file. The query must be dumped with -w. + +.TP +\fB\-i \fIfile\fR +read the answer from the file instead from the network. This aids +in debugging and can be used to check if a query on disk is valid. +If the file contains binary data it is assumed to be a query in +network order. + +.TP +\fB\-w \fIfile\fR +Write an answer packet to file. + +.TP +\fB\-q \fIfile\fR +Write the query packet to file. + +.TP +\fB\-v +Show drill's version. + +.TP +\fB\-h +Show a short help message. + +.SS QUERY OPTIONS + +.TP +\fB\-4 +Stay on ip4. Only send queries to ip4 enabled nameservers. + +.TP +\fB\-6 +Stay on ip6. Only send queries to ip6 enabled nameservers. + +.TP +\fB\-a +Use the resolver structure's fallback mechanism if the answer +is truncated (TC=1). If a truncated packet is received and this +option is set, drill will first send a new query with EDNS0 +buffer size 4096. + +If the EDNS0 buffer size was already set to 512+ bytes, or the +above retry also results in a truncated answer, the resolver +structure will fall back to TCP. + +.TP +\fB\-b \fIsize\fR +Use size as the buffer size in the EDNS0 pseudo RR. + +.TP +\fB\-c \fIfile\fR +Use file instead of /etc/resolv.conf for nameserver configuration. + +.TP +\fB\-d \fIdomain\fR +When tracing (-T), start from this domain instead of the root. + +.TP +\fB\-t +Use TCP/IP when querying a server + +.TP +\fB\-k \fIkeyfile\fR +Use this file to read a (trusted) key from. When this options is +given \fBdrill\fR tries to validate the current answer with this +key. No chasing is done. When \fBdrill\fR is doing a secure trace, this +key will be used as trust anchor. Can contain a DNSKEY or a DS record. + +.TP +\fB\-o \fImnemonic\fR +Use this option to set or unset specific header bits. A bit is +set by using the bit mnemonic in CAPITAL letters. A bit is unset when +the mnemonic is given in lowercase. The following mnemonics are +understood by \fBdrill\fR: + + QR, qr: set, unset QueRy (default: on) + AA, aa: set, unset Authoritative Answer (default: off) + TC, tc: set, unset TrunCated (default: off) + RD, rd: set, unset Recursion Desired (default: on) + CD, cd: set, unset Checking Disabled (default: off) + RA, ra: set, unset Recursion Available (default: off) + AD, ad: set, unset Authenticated Data (default: off) + +Thus: \fB-o CD\fR, will enable Checking Disabled, which instructs the +cache to not validate the answers it gives out. + +.TP +\fB\-p \fIport\fR +Use this port instead of the default of 53. + +.TP +\fB\-r \fIfile\fR +When tracing (-T), use file as a root servers hint file. + +.TP +\fB\-s +When encountering a DNSKEY print the equivalent DS also. + +.TP +\fB\-u +Use UDP when querying a server. This is the default. + +.TP +\fB\-w \fIfile\fR +write the answer to a file. The file will contain a hexadecimal dump +of the query. This can be used in conjunction with -f. + +.TP +\fB\-x +Do a reverse loopup. The type argument is not used, it is preset to PTR. + +.TP +\fB\-y \fI\fR +specify named base64 tsig key, and optional an algorithm (defaults to hmac-md5.sig-alg.reg.int) + +.TP +\fB\-z \fR +don't randomize the nameserver list before sending queries. + + +.SH AUTHOR +Jelte Jansen and Miek Gieben. Both of NLnet Labs. + +.SH REPORTING BUGS +Report bugs to . + +.SH BUGS + +.SH COPYRIGHT +Copyright (c) 2004-2008 NLnet Labs. +Licensed under the revised BSD license. There is NO warranty; not even for MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. + +.SH SEE ALSO +\fBdig\fR(1), \fIRFC403{3,4,5}\fR. diff --git a/libs/ldns/drill/drill.c b/libs/ldns/drill/drill.c new file mode 100644 index 0000000000..abd0ff6300 --- /dev/null +++ b/libs/ldns/drill/drill.c @@ -0,0 +1,930 @@ +/* + * drill.c + * the main file of drill + * (c) 2005-2008 NLnet Labs + * + * See the file LICENSE for the license + * + */ + +#include "drill.h" +#include + +#ifdef HAVE_SSL +#include +#endif + +#define IP6_ARPA_MAX_LEN 65 + +/* query debug, 2 hex dumps */ +int verbosity; + +static void +usage(FILE *stream, const char *progname) +{ + fprintf(stream, " Usage: %s name [@server] [type] [class]\n", progname); + fprintf(stream, "\t can be a domain name or an IP address (-x lookups)\n"); + fprintf(stream, "\t defaults to A\n"); + fprintf(stream, "\t defaults to IN\n"); + fprintf(stream, "\n\targuments may be placed in random order\n"); + fprintf(stream, "\n Options:\n"); + fprintf(stream, "\t-D\t\tenable DNSSEC (DO bit)\n"); +#ifdef HAVE_SSL + fprintf(stream, "\t-T\t\ttrace from the root down to \n"); + fprintf(stream, "\t-S\t\tchase signature(s) from to a know key [*]\n"); +#endif /*HAVE_SSL*/ + fprintf(stream, "\t-V \tverbosity (0-5)\n"); + fprintf(stream, "\t-Q\t\tquiet mode (overrules -V)\n"); + fprintf(stream, "\n"); + fprintf(stream, "\t-f file\t\tread packet from file and send it\n"); + fprintf(stream, "\t-i file\t\tread packet from file and print it\n"); + fprintf(stream, "\t-w file\t\twrite answer packet to file\n"); + fprintf(stream, "\t-q file\t\twrite query packet to file\n"); + fprintf(stream, "\t-h\t\tshow this help\n"); + fprintf(stream, "\t-v\t\tshow version\n"); + fprintf(stream, "\n Query options:\n"); + fprintf(stream, "\t-4\t\tstay on ip4\n"); + fprintf(stream, "\t-6\t\tstay on ip6\n"); + fprintf(stream, "\t-a\t\tfallback to EDNS0 and TCP if the answer is truncated\n"); + fprintf(stream, "\t-b \tuse as the buffer size (defaults to 512 b)\n"); + fprintf(stream, "\t-c \t\tuse file for rescursive nameserver configuration (/etc/resolv.conf)\n"); + fprintf(stream, "\t-k \tspecify a file that contains a trusted DNSSEC key (DNSKEY|DS) [**]\n"); + fprintf(stream, "\t\t\tused to verify any signatures in the current answer\n"); + fprintf(stream, "\t-o \tset flags to: [QR|qr][AA|aa][TC|tc][RD|rd][CD|cd][RA|ra][AD|ad]\n"); + fprintf(stream, "\t\t\tlowercase: unset bit, uppercase: set bit\n"); + fprintf(stream, "\t-p \tuse as remote port number\n"); + fprintf(stream, "\t-s\t\tshow the DS RR for each key in a packet\n"); + fprintf(stream, "\t-u\t\tsend the query with udp (the default)\n"); + fprintf(stream, "\t-x\t\tdo a reverse lookup\n"); + fprintf(stream, "\twhen doing a secure trace:\n"); + fprintf(stream, "\t-r \t\tuse file as root servers hint file\n"); + fprintf(stream, "\t-t\t\tsend the query with tcp (connected)\n"); + fprintf(stream, "\t-d \t\tuse domain as the start point for the trace\n"); + fprintf(stream, "\t-y \tspecify named base64 tsig key, and optional an\n\t\t\talgorithm (defaults to hmac-md5.sig-alg.reg.int)\n"); + fprintf(stream, "\t-z\t\tdon't randomize the nameservers before use\n"); + fprintf(stream, "\n [*] = enables/implies DNSSEC\n"); + fprintf(stream, " [**] = can be given more than once\n"); + fprintf(stream, "\n ldns-team@nlnetlabs.nl | http://www.nlnetlabs.nl/ldns/\n"); +} + +/** + * Prints the drill version to stderr + */ +static void +version(FILE *stream, const char *progname) +{ + fprintf(stream, "%s version %s (ldns version %s)\n", progname, DRILL_VERSION, ldns_version()); + fprintf(stream, "Written by NLnet Labs.\n"); + fprintf(stream, "\nCopyright (c) 2004-2008 NLnet Labs.\n"); + fprintf(stream, "Licensed under the revised BSD license.\n"); + fprintf(stream, "There is NO warranty; not even for MERCHANTABILITY or FITNESS\n"); + fprintf(stream, "FOR A PARTICULAR PURPOSE.\n"); +} + + +/** + * Main function of drill + * parse the arguments and prepare a query + */ +int +main(int argc, char *argv[]) +{ + ldns_resolver *res = NULL; + ldns_resolver *cmdline_res = NULL; /* only used to resolv @name names */ + ldns_rr_list *cmdline_rr_list = NULL; + ldns_rdf *cmdline_dname = NULL; + ldns_rdf *qname, *qname_tmp; + ldns_pkt *pkt; + ldns_pkt *qpkt; + char *serv; + char *name; + char *name2; + char *progname; + char *query_file = NULL; + char *answer_file = NULL; + ldns_buffer *query_buffer = NULL; + ldns_rdf *serv_rdf; + ldns_rr_type type; + ldns_rr_class clas; +#if 0 + ldns_pkt_opcode opcode = LDNS_PACKET_QUERY; +#endif + int i, c; + int int_type; + int int_clas; + int PURPOSE; + char *tsig_name = NULL; + char *tsig_data = NULL; + char *tsig_algorithm = NULL; + size_t tsig_separator; + size_t tsig_separator2; + ldns_rr *axfr_rr; + ldns_status status; + char *type_str; + + /* list of keys used in dnssec operations */ + ldns_rr_list *key_list = ldns_rr_list_new(); + /* what key verify the current answer */ + ldns_rr_list *key_verified; + + /* resolver options */ + uint16_t qflags; + uint16_t qbuf; + uint16_t qport; + uint8_t qfamily; + bool qdnssec; + bool qfallback; + bool qds; + bool qusevc; + bool qrandom; + + char *resolv_conf_file = NULL; + + ldns_rdf *trace_start_name = NULL; + + int result = 0; + +#ifdef USE_WINSOCK + int r; + WSADATA wsa_data; +#endif + + int_type = -1; serv = NULL; type = 0; + int_clas = -1; name = NULL; clas = 0; + qname = NULL; + progname = strdup(argv[0]); + +#ifdef USE_WINSOCK + r = WSAStartup(MAKEWORD(2,2), &wsa_data); + if(r != 0) { + printf("Failed WSAStartup: %d\n", r); + result = EXIT_FAILURE; + goto exit; + } +#endif /* USE_WINSOCK */ + + + PURPOSE = DRILL_QUERY; + qflags = LDNS_RD; + qport = LDNS_PORT; + verbosity = 2; + qdnssec = false; + qfamily = LDNS_RESOLV_INETANY; + qfallback = false; + qds = false; + qbuf = 0; + qusevc = false; + qrandom = true; + key_verified = NULL; + + ldns_init_random(NULL, 0); + + if (argc == 0) { + usage(stdout, progname); + result = EXIT_FAILURE; + goto exit; + } + + /* string from orig drill: "i:w:I46Sk:TNp:b:DsvhVcuaq:f:xr" */ + /* global first, query opt next, option with parm's last + * and sorted */ /* "46DITSVQf:i:w:q:achuvxzy:so:p:b:k:" */ + + while ((c = getopt(argc, argv, "46ab:c:d:Df:hi:Ik:o:p:q:Qr:sStTuvV:w:xy:z")) != -1) { + switch(c) { + /* global options */ + case '4': + qfamily = LDNS_RESOLV_INET; + break; + case '6': + qfamily = LDNS_RESOLV_INET6; + break; + case 'D': + qdnssec = true; + break; + case 'I': + /* reserved for backward compatibility */ + break; + case 'T': + if (PURPOSE == DRILL_CHASE) { + fprintf(stderr, "-T and -S cannot be used at the same time.\n"); + exit(EXIT_FAILURE); + } + PURPOSE = DRILL_TRACE; + break; +#ifdef HAVE_SSL + case 'S': + if (PURPOSE == DRILL_TRACE) { + fprintf(stderr, "-T and -S cannot be used at the same time.\n"); + exit(EXIT_FAILURE); + } + PURPOSE = DRILL_CHASE; + break; +#endif /* HAVE_SSL */ + case 'V': + verbosity = atoi(optarg); + break; + case 'Q': + verbosity = -1; + break; + case 'f': + query_file = optarg; + break; + case 'i': + answer_file = optarg; + PURPOSE = DRILL_AFROMFILE; + break; + case 'w': + answer_file = optarg; + break; + case 'q': + query_file = optarg; + PURPOSE = DRILL_QTOFILE; + break; + case 'r': + if (global_dns_root) { + fprintf(stderr, "There was already a series of root servers set\n"); + exit(EXIT_FAILURE); + } + global_dns_root = read_root_hints(optarg); + if (!global_dns_root) { + fprintf(stderr, "Unable to read root hints file %s, aborting\n", optarg); + exit(EXIT_FAILURE); + } + break; + /* query options */ + case 'a': + qfallback = true; + break; + case 'b': + qbuf = (uint16_t)atoi(optarg); + if (qbuf == 0) { + error("%s", " could not be converted"); + } + break; + case 'c': + resolv_conf_file = optarg; + break; + case 't': + qusevc = true; + break; + case 'k': + status = read_key_file(optarg, key_list); + if (status != LDNS_STATUS_OK) { + error("Could not parse the key file %s: %s", optarg, ldns_get_errorstr_by_id(status)); + } + qdnssec = true; /* enable that too */ + break; + case 'o': + /* only looks at the first hit: capital=ON, lowercase=OFF*/ + if (strstr(optarg, "QR")) { + DRILL_ON(qflags, LDNS_QR); + } + if (strstr(optarg, "qr")) { + DRILL_OFF(qflags, LDNS_QR); + } + if (strstr(optarg, "AA")) { + DRILL_ON(qflags, LDNS_AA); + } + if (strstr(optarg, "aa")) { + DRILL_OFF(qflags, LDNS_AA); + } + if (strstr(optarg, "TC")) { + DRILL_ON(qflags, LDNS_TC); + } + if (strstr(optarg, "tc")) { + DRILL_OFF(qflags, LDNS_TC); + } + if (strstr(optarg, "RD")) { + DRILL_ON(qflags, LDNS_RD); + } + if (strstr(optarg, "rd")) { + DRILL_OFF(qflags, LDNS_RD); + } + if (strstr(optarg, "CD")) { + DRILL_ON(qflags, LDNS_CD); + } + if (strstr(optarg, "cd")) { + DRILL_OFF(qflags, LDNS_CD); + } + if (strstr(optarg, "RA")) { + DRILL_ON(qflags, LDNS_RA); + } + if (strstr(optarg, "ra")) { + DRILL_OFF(qflags, LDNS_RA); + } + if (strstr(optarg, "AD")) { + DRILL_ON(qflags, LDNS_AD); + } + if (strstr(optarg, "ad")) { + DRILL_OFF(qflags, LDNS_AD); + } + break; + case 'p': + qport = (uint16_t)atoi(optarg); + if (qport == 0) { + error("%s", " could not be converted"); + } + break; + case 's': + qds = true; + break; + case 'u': + qusevc = false; + break; + case 'v': + version(stdout, progname); + result = EXIT_SUCCESS; + goto exit; + case 'x': + PURPOSE = DRILL_REVERSE; + break; + case 'y': +#ifdef HAVE_SSL + if (strchr(optarg, ':')) { + tsig_separator = (size_t) (strchr(optarg, ':') - optarg); + if (strchr(optarg + tsig_separator + 1, ':')) { + tsig_separator2 = (size_t) (strchr(optarg + tsig_separator + 1, ':') - optarg); + tsig_algorithm = xmalloc(strlen(optarg) - tsig_separator2); + strncpy(tsig_algorithm, optarg + tsig_separator2 + 1, strlen(optarg) - tsig_separator2); + tsig_algorithm[strlen(optarg) - tsig_separator2 - 1] = '\0'; + } else { + tsig_separator2 = strlen(optarg); + tsig_algorithm = xmalloc(26); + strncpy(tsig_algorithm, "hmac-md5.sig-alg.reg.int.", 25); + tsig_algorithm[25] = '\0'; + } + tsig_name = xmalloc(tsig_separator + 1); + tsig_data = xmalloc(tsig_separator2 - tsig_separator); + strncpy(tsig_name, optarg, tsig_separator); + strncpy(tsig_data, optarg + tsig_separator + 1, tsig_separator2 - tsig_separator - 1); + /* strncpy does not append \0 if source is longer than n */ + tsig_name[tsig_separator] = '\0'; + tsig_data[ tsig_separator2 - tsig_separator - 1] = '\0'; + } +#else + fprintf(stderr, "TSIG requested, but SSL is not supported\n"); + result = EXIT_FAILURE; + goto exit; +#endif /* HAVE_SSL */ + break; + case 'z': + qrandom = false; + break; + case 'd': + trace_start_name = ldns_dname_new_frm_str(optarg); + if (!trace_start_name) { + fprintf(stderr, "Unable to parse argument for -%c\n", c); + result = EXIT_FAILURE; + goto exit; + } + break; + case 'h': + version(stdout, progname); + usage(stdout, progname); + result = EXIT_SUCCESS; + goto exit; + break; + default: + fprintf(stderr, "Unknown argument: -%c, use -h to see usage\n", c); + result = EXIT_FAILURE; + goto exit; + } + } + argc -= optind; + argv += optind; + + /* do a secure trace when requested */ + if (PURPOSE == DRILL_TRACE && qdnssec) { +#ifdef HAVE_SSL + if (ldns_rr_list_rr_count(key_list) == 0) { + warning("%s", "No trusted keys were given. Will not be able to verify authenticity!"); + } + PURPOSE = DRILL_SECTRACE; +#else + fprintf(stderr, "ldns has not been compiled with OpenSSL support. Secure trace not available\n"); + exit(1); +#endif /* HAVE_SSL */ + } + + /* parse the arguments, with multiple arguments, the last argument + * found is used */ + for(i = 0; i < argc; i++) { + + /* if ^@ then it's a server */ + if (argv[i][0] == '@') { + if (strlen(argv[i]) == 1) { + warning("%s", "No nameserver given"); + exit(EXIT_FAILURE); + } + serv = argv[i] + 1; + continue; + } + /* if has a dot, it's a name */ + if (strchr(argv[i], '.')) { + name = argv[i]; + continue; + } + /* if it matches a type, it's a type */ + if (int_type == -1) { + type = ldns_get_rr_type_by_name(argv[i]); + if (type != 0) { + int_type = 0; + continue; + } + } + /* if it matches a class, it's a class */ + if (int_clas == -1) { + clas = ldns_get_rr_class_by_name(argv[i]); + if (clas != 0) { + int_clas = 0; + continue; + } + } + /* it all fails assume it's a name */ + name = argv[i]; + } + /* act like dig and use for . NS */ + if (!name) { + name = "."; + int_type = 0; + type = LDNS_RR_TYPE_NS; + } + + /* defaults if not given */ + if (int_clas == -1) { + clas = LDNS_RR_CLASS_IN; + } + if (int_type == -1) { + if (PURPOSE != DRILL_REVERSE) { + type = LDNS_RR_TYPE_A; + } else { + type = LDNS_RR_TYPE_PTR; + } + } + + /* set the nameserver to use */ + if (!serv) { + /* no server given make a resolver from /etc/resolv.conf */ + status = ldns_resolver_new_frm_file(&res, resolv_conf_file); + if (status != LDNS_STATUS_OK) { + warning("Could not create a resolver structure: %s (%s)\n" + "Try drill @localhost if you have a resolver running on your machine.", + ldns_get_errorstr_by_id(status), resolv_conf_file); + result = EXIT_FAILURE; + goto exit; + } + } else { + res = ldns_resolver_new(); + if (!res || strlen(serv) <= 0) { + warning("Could not create a resolver structure"); + result = EXIT_FAILURE; + goto exit; + } + /* add the nameserver */ + serv_rdf = ldns_rdf_new_addr_frm_str(serv); + if (!serv_rdf) { + /* try to resolv the name if possible */ + status = ldns_resolver_new_frm_file(&cmdline_res, resolv_conf_file); + + if (status != LDNS_STATUS_OK) { + error("%s", "@server ip could not be converted"); + } + ldns_resolver_set_dnssec(cmdline_res, qdnssec); + ldns_resolver_set_ip6(cmdline_res, qfamily); + ldns_resolver_set_fallback(cmdline_res, qfallback); + ldns_resolver_set_usevc(cmdline_res, qusevc); + + cmdline_dname = ldns_dname_new_frm_str(serv); + + cmdline_rr_list = ldns_get_rr_list_addr_by_name( + cmdline_res, + cmdline_dname, + LDNS_RR_CLASS_IN, + qflags); + ldns_rdf_deep_free(cmdline_dname); + if (!cmdline_rr_list) { + /* This error msg is not always accurate */ + error("%s `%s\'", "could not find any address for the name:", serv); + } else { + if (ldns_resolver_push_nameserver_rr_list( + res, + cmdline_rr_list + ) != LDNS_STATUS_OK) { + error("%s", "pushing nameserver"); + } + } + } else { + if (ldns_resolver_push_nameserver(res, serv_rdf) != LDNS_STATUS_OK) { + error("%s", "pushing nameserver"); + } else { + ldns_rdf_deep_free(serv_rdf); + } + } + } + /* set the resolver options */ + ldns_resolver_set_port(res, qport); + if (verbosity >= 5) { + ldns_resolver_set_debug(res, true); + } else { + ldns_resolver_set_debug(res, false); + } + ldns_resolver_set_dnssec(res, qdnssec); +/* ldns_resolver_set_dnssec_cd(res, qdnssec);*/ + ldns_resolver_set_ip6(res, qfamily); + ldns_resolver_set_fallback(res, qfallback); + ldns_resolver_set_usevc(res, qusevc); + ldns_resolver_set_random(res, qrandom); + if (qbuf != 0) { + ldns_resolver_set_edns_udp_size(res, qbuf); + } + + if (!name && + PURPOSE != DRILL_AFROMFILE && + !query_file + ) { + usage(stdout, progname); + result = EXIT_FAILURE; + goto exit; + } + + if (tsig_name && tsig_data) { + ldns_resolver_set_tsig_keyname(res, tsig_name); + ldns_resolver_set_tsig_keydata(res, tsig_data); + ldns_resolver_set_tsig_algorithm(res, tsig_algorithm); + } + + /* main switching part of drill */ + switch(PURPOSE) { + case DRILL_TRACE: + /* do a trace from the root down */ + if (!global_dns_root) { + init_root(); + } + qname = ldns_dname_new_frm_str(name); + if (!qname) { + error("%s", "parsing query name"); + } + /* don't care about return packet */ + (void)do_trace(res, qname, type, clas); + clear_root(); + break; + case DRILL_SECTRACE: + /* do a secure trace from the root down */ + if (!global_dns_root) { + init_root(); + } + qname = ldns_dname_new_frm_str(name); + if (!qname) { + error("%s", "making qname"); + } + /* don't care about return packet */ +#ifdef HAVE_SSL + result = do_secure_trace(res, qname, type, clas, key_list, trace_start_name); +#endif /* HAVE_SSL */ + clear_root(); + break; + case DRILL_CHASE: + qname = ldns_dname_new_frm_str(name); + if (!qname) { + error("%s", "making qname"); + } + + ldns_resolver_set_dnssec(res, true); + ldns_resolver_set_dnssec_cd(res, true); + /* set dnssec implies udp_size of 4096 */ + ldns_resolver_set_edns_udp_size(res, 4096); + pkt = ldns_resolver_query(res, qname, type, clas, qflags); + + if (!pkt) { + error("%s", "error pkt sending"); + result = EXIT_FAILURE; + } else { + if (verbosity >= 3) { + ldns_pkt_print(stdout, pkt); + } + + if (!ldns_pkt_answer(pkt)) { + mesg("No answer in packet"); + } else { +#ifdef HAVE_SSL + ldns_resolver_set_dnssec_anchors(res, ldns_rr_list_clone(key_list)); + result = do_chase(res, qname, type, + clas, key_list, + pkt, qflags, NULL, + verbosity); + if (result == LDNS_STATUS_OK) { + if (verbosity != -1) { + mesg("Chase successful"); + } + result = 0; + } else { + if (verbosity != -1) { + mesg("Chase failed."); + } + } +#endif /* HAVE_SSL */ + } + ldns_pkt_free(pkt); + } + break; + case DRILL_AFROMFILE: + pkt = read_hex_pkt(answer_file); + if (pkt) { + if (verbosity != -1) { + ldns_pkt_print(stdout, pkt); + } + ldns_pkt_free(pkt); + } + + break; + case DRILL_QTOFILE: + qname = ldns_dname_new_frm_str(name); + if (!qname) { + error("%s", "making qname"); + } + + status = ldns_resolver_prepare_query_pkt(&qpkt, res, qname, type, clas, qflags); + if(status != LDNS_STATUS_OK) { + error("%s", "making query: %s", + ldns_get_errorstr_by_id(status)); + } + dump_hex(qpkt, query_file); + ldns_pkt_free(qpkt); + break; + case DRILL_NSEC: + break; + case DRILL_REVERSE: + /* ipv4 or ipv6 addr? */ + if (strchr(name, ':')) { + if (strchr(name, '.')) { + error("Syntax error: both '.' and ':' seen in address\n"); + } + name2 = malloc(IP6_ARPA_MAX_LEN + 20); + c = 0; + for (i=0; i<(int)strlen(name); i++) { + if (i >= IP6_ARPA_MAX_LEN) { + error("%s", "reverse argument to long"); + } + if (name[i] == ':') { + if (i < (int) strlen(name) && name[i + 1] == ':') { + error("%s", ":: not supported (yet)"); + } else { + if (i + 2 == (int) strlen(name) || name[i + 2] == ':') { + name2[c++] = '0'; + name2[c++] = '.'; + name2[c++] = '0'; + name2[c++] = '.'; + name2[c++] = '0'; + name2[c++] = '.'; + } else if (i + 3 == (int) strlen(name) || name[i + 3] == ':') { + name2[c++] = '0'; + name2[c++] = '.'; + name2[c++] = '0'; + name2[c++] = '.'; + } else if (i + 4 == (int) strlen(name) || name[i + 4] == ':') { + name2[c++] = '0'; + name2[c++] = '.'; + } + } + } else { + name2[c++] = name[i]; + name2[c++] = '.'; + } + } + name2[c++] = '\0'; + + qname = ldns_dname_new_frm_str(name2); + qname_tmp = ldns_dname_reverse(qname); + ldns_rdf_deep_free(qname); + qname = qname_tmp; + qname_tmp = ldns_dname_new_frm_str("ip6.arpa."); + status = ldns_dname_cat(qname, qname_tmp); + if (status != LDNS_STATUS_OK) { + error("%s", "could not create reverse address for ip6: %s\n", ldns_get_errorstr_by_id(status)); + } + ldns_rdf_deep_free(qname_tmp); + + free(name2); + } else { + qname = ldns_dname_new_frm_str(name); + qname_tmp = ldns_dname_reverse(qname); + ldns_rdf_deep_free(qname); + qname = qname_tmp; + qname_tmp = ldns_dname_new_frm_str("in-addr.arpa."); + status = ldns_dname_cat(qname, qname_tmp); + if (status != LDNS_STATUS_OK) { + error("%s", "could not create reverse address for ip4: %s\n", ldns_get_errorstr_by_id(status)); + } + ldns_rdf_deep_free(qname_tmp); + } + if (!qname) { + error("%s", "-x implies an ip address"); + } + + /* create a packet and set the RD flag on it */ + pkt = ldns_resolver_query(res, qname, type, clas, qflags); + if (!pkt) { + error("%s", "pkt sending"); + result = EXIT_FAILURE; + } else { + if (verbosity != -1) { + ldns_pkt_print(stdout, pkt); + } + ldns_pkt_free(pkt); + } + break; + case DRILL_QUERY: + default: + if (query_file) { + /* this old way, the query packet needed + to be parseable, but we want to be able + to send mangled packets, so we need + to do it directly */ + #if 0 + qpkt = read_hex_pkt(query_file); + if (qpkt) { + status = ldns_resolver_send_pkt(&pkt, res, qpkt); + if (status != LDNS_STATUS_OK) { + printf("Error: %s\n", ldns_get_errorstr_by_id(status)); + exit(1); + } + } else { + /* qpkt was bogus, reset pkt */ + pkt = NULL; + } + #endif + query_buffer = read_hex_buffer(query_file); + if (query_buffer) { + status = ldns_send_buffer(&pkt, res, query_buffer, NULL); + ldns_buffer_free(query_buffer); + if (status != LDNS_STATUS_OK) { + printf("Error: %s\n", ldns_get_errorstr_by_id(status)); + exit(1); + } + } else { + printf("NO BUFFER\n"); + pkt = NULL; + } + } else { + qname = ldns_dname_new_frm_str(name); + if (!qname) { + error("%s", "error in making qname"); + } + + if (type == LDNS_RR_TYPE_AXFR) { + status = ldns_axfr_start(res, qname, clas); + if(status != LDNS_STATUS_OK) { + error("Error starting axfr: %s", + ldns_get_errorstr_by_id(status)); + } + axfr_rr = ldns_axfr_next(res); + if(!axfr_rr) { + fprintf(stderr, "AXFR failed.\n"); + ldns_pkt_print(stdout, + ldns_axfr_last_pkt(res)); + goto exit; + } + while (axfr_rr) { + if (verbosity != -1) { + ldns_rr_print(stdout, axfr_rr); + } + ldns_rr_free(axfr_rr); + axfr_rr = ldns_axfr_next(res); + } + + goto exit; + } else { + /* create a packet and set the RD flag on it */ + pkt = ldns_resolver_query(res, qname, type, clas, qflags); + } + } + + if (!pkt) { + mesg("No packet received"); + result = EXIT_FAILURE; + } else { + if (verbosity != -1) { + ldns_pkt_print(stdout, pkt); + if (ldns_pkt_tc(pkt)) { + fprintf(stdout, + "\n;; WARNING: The answer packet was truncated; you might want to\n"); + fprintf(stdout, + ";; query again with TCP (-t argument), or EDNS0 (-b for buffer size)\n"); + } + } + if (qds) { + if (verbosity != -1) { + print_ds_of_keys(pkt); + printf("\n"); + } + } + + if (ldns_rr_list_rr_count(key_list) > 0) { + /* -k's were given on the cmd line */ + ldns_rr_list *rrset_verified; + uint16_t key_count; + + rrset_verified = ldns_pkt_rr_list_by_name_and_type( + pkt, qname, type, + LDNS_SECTION_ANY_NOQUESTION); + + if (type == LDNS_RR_TYPE_ANY) { + /* don't verify this */ + break; + } + + if (verbosity != -1) { + printf("; "); + ldns_rr_list_print(stdout, rrset_verified); + } + + /* verify */ +#ifdef HAVE_SSL + key_verified = ldns_rr_list_new(); + result = ldns_pkt_verify(pkt, type, qname, key_list, NULL, key_verified); + + if (result == LDNS_STATUS_ERR) { + /* is the existence denied then? */ + result = ldns_verify_denial(pkt, qname, type, NULL, NULL); + if (result == LDNS_STATUS_OK) { + if (verbosity != -1) { + printf("Existence denied for "); + ldns_rdf_print(stdout, qname); + type_str = ldns_rr_type2str(type); + printf("\t%s\n", type_str); + LDNS_FREE(type_str); + } + } else { + if (verbosity != -1) { + printf("Bad data; RR for name and " + "type not found or failed to " + "verify, and denial of " + "existence failed.\n"); + } + } + } else if (result == LDNS_STATUS_OK) { + for(key_count = 0; key_count < ldns_rr_list_rr_count(key_verified); + key_count++) { + if (verbosity != -1) { + printf("; VALIDATED by id = %u, owner = ", + (unsigned int)ldns_calc_keytag( + ldns_rr_list_rr(key_verified, key_count))); + ldns_rdf_print(stdout, ldns_rr_owner( + ldns_rr_list_rr(key_list, key_count))); + printf("\n"); + } + } + } else { + for(key_count = 0; key_count < ldns_rr_list_rr_count(key_list); + key_count++) { + if (verbosity != -1) { + printf("; %s for id = %u, owner = ", + ldns_get_errorstr_by_id(result), + (unsigned int)ldns_calc_keytag( + ldns_rr_list_rr(key_list, key_count))); + ldns_rdf_print(stdout, ldns_rr_owner( + + ldns_rr_list_rr(key_list, + key_count))); + printf("\n"); + } + } + } + ldns_rr_list_free(key_verified); +#else + (void) key_count; +#endif /* HAVE_SSL */ + } + if (answer_file) { + dump_hex(pkt, answer_file); + } + ldns_pkt_free(pkt); + } + + break; + } + + exit: + ldns_rdf_deep_free(qname); + ldns_resolver_deep_free(res); + ldns_resolver_deep_free(cmdline_res); + ldns_rr_list_deep_free(key_list); + ldns_rr_list_deep_free(cmdline_rr_list); + ldns_rdf_deep_free(trace_start_name); + xfree(progname); + xfree(tsig_name); + xfree(tsig_data); + xfree(tsig_algorithm); + +#ifdef HAVE_SSL + ERR_remove_state(0); + CRYPTO_cleanup_all_ex_data(); + ERR_free_strings(); + EVP_cleanup(); +#endif +#ifdef USE_WINSOCK + WSACleanup(); +#endif + + return result; +} diff --git a/libs/ldns/drill/drill.h.in b/libs/ldns/drill/drill.h.in new file mode 100644 index 0000000000..b787b923c2 --- /dev/null +++ b/libs/ldns/drill/drill.h.in @@ -0,0 +1,109 @@ +/* + * drill.h + * the main header file of drill + * (c) 2005, 2006 NLnet Labs + * + * See the file LICENSE for the license + * + */ +#ifndef _DRILL_H_ +#define _DRILL_H_ +#include "config.h" + +#include "drill_util.h" + +#define DRILL_VERSION "@PACKAGE_VERSION@" + +/* what kind of stuff do we allow */ +#define DRILL_QUERY 0 +#define DRILL_TRACE 1 +#define DRILL_CHASE 2 +#define DRILL_AFROMFILE 3 +#define DRILL_QTOFILE 4 +#define DRILL_NSEC 5 +#define DRILL_REVERSE 6 +#define DRILL_SECTRACE 7 + +#define DRILL_ON(VAR, BIT) \ +(VAR) = (VAR) | (BIT) +#define DRILL_OFF(VAR, BIT) \ +(VAR) = (VAR) & ~(BIT) + +extern ldns_rr_list *global_dns_root; +extern bool qds; +extern int verbosity; + +ldns_pkt *do_trace(ldns_resolver *res, + ldns_rdf *name, + ldns_rr_type type, + ldns_rr_class c); +ldns_status do_chase(ldns_resolver *res, + ldns_rdf *name, + ldns_rr_type type, + ldns_rr_class c, + ldns_rr_list *trusted_keys, + ldns_pkt *pkt_o, + uint16_t qflags, + ldns_rr_list *prev_key_list, + int verbosity); +int do_secure_trace(ldns_resolver *res, + ldns_rdf *name, + ldns_rr_type type, + ldns_rr_class c, + ldns_rr_list *trusted_keys, + ldns_rdf *start_name); + +ldns_rr_list * get_rr(ldns_resolver *res, + ldns_rdf *zname, + ldns_rr_type t, + ldns_rr_class c); + +void drill_pkt_print(FILE *fd, ldns_resolver *r, ldns_pkt *p); +void drill_pkt_print_footer(FILE *fd, ldns_resolver *r, ldns_pkt *p); + +ldns_pkt_type get_dnssec_rr(ldns_pkt *p, + ldns_rdf *name, + ldns_rr_type t, + ldns_rr_list **rrlist, + ldns_rr_list **sig); + +ldns_rr *ldns_nsec3_exact_match(ldns_rdf *qname, + ldns_rr_type qtype, + ldns_rr_list *nsec3s); + +ldns_rdf *ldns_nsec3_closest_encloser(ldns_rdf *qname, + ldns_rr_type qtype, + ldns_rr_list *nsec3s); + +/* verifies denial of existence of *name in *pkt (must contain NSEC or NSEC3 records + * if *nsec_rrs and *nsec_rr_sigs are given, pointers to the relevant nsecs and their signatures are + * placed there + */ +ldns_status ldns_verify_denial(ldns_pkt *pkt, + ldns_rdf *name, + ldns_rr_type type, + ldns_rr_list **nsec_rrs, + ldns_rr_list **nsec_rr_sigs); +ldns_status ldns_verify_denial_wildcard(ldns_pkt *pkt, + ldns_rdf *name, + ldns_rr_type type, + ldns_rr_list **nsec_rrs, + ldns_rr_list **nsec_rr_sigs); + +ldns_status read_key_file(const char *filename, ldns_rr_list *key_list); +ldns_pkt *read_hex_pkt(char *filename); +ldns_buffer *read_hex_buffer(char *filename); +void init_root(void); +ldns_rr_list *read_root_hints(const char *filename); +void clear_root(void); +void dump_hex(const ldns_pkt *pkt, const char *file); +void warning(const char *fmt, ...); +void error(const char *fmt, ...); +void mesg(const char *fmt, ...); + +/* screen.c */ +void resolver_print_nameservers(ldns_resolver *r); +void print_dnskey(ldns_rr_list *key_list); +void print_ds(ldns_rr_list *ds_list); + +#endif /* _DRILL_H_ */ diff --git a/libs/ldns/drill/drill_util.c b/libs/ldns/drill/drill_util.c new file mode 100644 index 0000000000..596be9d541 --- /dev/null +++ b/libs/ldns/drill/drill_util.c @@ -0,0 +1,305 @@ +/* + * util.c + * some handy function needed in drill and not implemented + * in ldns + * (c) 2005 NLnet Labs + * + * See the file LICENSE for the license + * + */ + +#include "drill.h" +#include + +#include + +static int +read_line(FILE *input, char *line) +{ + int i; + + char c; + for (i = 0; i < LDNS_MAX_PACKETLEN; i++) { + c = getc(input); + if (c == EOF) { + return -1; + } else if (c != '\n') { + line[i] = c; + } else { + break; + } + } + line[i] = '\0'; + return i; +} + +/* key_list must be initialized with ldns_rr_list_new() */ +ldns_status +read_key_file(const char *filename, ldns_rr_list *key_list) +{ + int line_len = 0; + int line_nr = 0; + int key_count = 0; + char line[LDNS_MAX_PACKETLEN]; + ldns_status status; + FILE *input_file; + ldns_rr *rr; + + input_file = fopen(filename, "r"); + if (!input_file) { + fprintf(stderr, "Error opening %s: %s\n", + filename, strerror(errno)); + return LDNS_STATUS_ERR; + } + while (line_len >= 0) { + line_len = read_line(input_file, line); + line_nr++; + if (line_len > 0 && line[0] != ';') { + status = ldns_rr_new_frm_str(&rr, line, 0, NULL, NULL); + if (status != LDNS_STATUS_OK) { + fprintf(stderr, + "Error parsing DNSKEY RR in line %d: %s\n", + line_nr, + ldns_get_errorstr_by_id(status)); + } else if (ldns_rr_get_type(rr) == LDNS_RR_TYPE_DNSKEY || + ldns_rr_get_type(rr) == LDNS_RR_TYPE_DS) { + ldns_rr_list_push_rr(key_list, rr); + key_count++; + } else { + ldns_rr_free(rr); + } + } + } + printf(";; Number of trusted keys: %d\n", key_count); + if (key_count > 0) { + return LDNS_STATUS_OK; + } else { + /*fprintf(stderr, "No keys read\n");*/ + return LDNS_STATUS_ERR; + } +} + +ldns_rdf * +ldns_rdf_new_addr_frm_str(char *str) +{ + ldns_rdf *a; + + a = ldns_rdf_new_frm_str(LDNS_RDF_TYPE_A, str); + if (!a) { + /* maybe ip6 */ + a = ldns_rdf_new_frm_str(LDNS_RDF_TYPE_AAAA, str); + if (!a) { + return NULL; + } + } + return a; +} + +static inline void +local_print_ds(FILE* out, const char* pre, ldns_rr* ds) +{ + if (out && ds) { + fprintf(out, "%s", pre); + ldns_rr_print(out, ds); + ldns_rr_free(ds); + } +} + +/* + * For all keys in a packet print the DS + */ +void +print_ds_of_keys(ldns_pkt *p) +{ + ldns_rr_list *keys; + uint16_t i; + ldns_rr *ds; + + /* TODO fix the section stuff, here or in ldns */ + keys = ldns_pkt_rr_list_by_type(p, LDNS_RR_TYPE_DNSKEY, + LDNS_SECTION_ANSWER); + + /* this also returns the question section rr, which does not + * have any data.... and this inturn crashes everything */ + + if (keys) { + for (i = 0; i < ldns_rr_list_rr_count(keys); i++) { + fprintf(stdout, ";\n; equivalent DS records for key %u:\n", + (unsigned int)ldns_calc_keytag(ldns_rr_list_rr(keys, i))); + + ds = ldns_key_rr2ds(ldns_rr_list_rr(keys, i), LDNS_SHA1); + local_print_ds(stdout, "; sha1: ", ds); + ds = ldns_key_rr2ds(ldns_rr_list_rr(keys, i), LDNS_SHA256); + local_print_ds(stdout, "; sha256: ", ds); + } + } +} + +static void +print_class_type(FILE *fp, ldns_rr *r) +{ + ldns_lookup_table *lt; + lt = ldns_lookup_by_id(ldns_rr_classes, ldns_rr_get_class(r)); + if (lt) { + fprintf(fp, " %s", lt->name); + } else { + fprintf(fp, " CLASS%d", ldns_rr_get_class(r)); + } + /* okay not THE way - but the quickest */ + switch (ldns_rr_get_type(r)) { + case LDNS_RR_TYPE_RRSIG: + fprintf(fp, " RRSIG "); + break; + case LDNS_RR_TYPE_DNSKEY: + fprintf(fp, " DNSKEY "); + break; + case LDNS_RR_TYPE_DS: + fprintf(fp, " DS "); + break; + default: + break; + } +} + + +void +print_ds_abbr(FILE *fp, ldns_rr *ds) +{ + if (!ds || (ldns_rr_get_type(ds) != LDNS_RR_TYPE_DS)) { + return; + } + + ldns_rdf_print(fp, ldns_rr_owner(ds)); + fprintf(fp, " %d", (int)ldns_rr_ttl(ds)); + print_class_type(fp, ds); + ldns_rdf_print(fp, ldns_rr_rdf(ds, 0)); fprintf(fp, " "); + ldns_rdf_print(fp, ldns_rr_rdf(ds, 1)); fprintf(fp, " "); + ldns_rdf_print(fp, ldns_rr_rdf(ds, 2)); fprintf(fp, " "); + ldns_rdf_print(fp, ldns_rr_rdf(ds, 3)); fprintf(fp, " "); +} + +/* print some of the elements of a signature */ +void +print_rrsig_abbr(FILE *fp, ldns_rr *sig) { + if (!sig || (ldns_rr_get_type(sig) != LDNS_RR_TYPE_RRSIG)) { + return; + } + + ldns_rdf_print(fp, ldns_rr_owner(sig)); + fprintf(fp, " %d", (int)ldns_rr_ttl(sig)); + print_class_type(fp, sig); + + /* print a number of rdf's */ + /* typecovered */ + ldns_rdf_print(fp, ldns_rr_rdf(sig, 0)); fprintf(fp, " "); + /* algo */ + ldns_rdf_print(fp, ldns_rr_rdf(sig, 1)); fprintf(fp, " "); + /* labels */ + ldns_rdf_print(fp, ldns_rr_rdf(sig, 2)); fprintf(fp, " (\n\t\t\t"); + /* expir */ + ldns_rdf_print(fp, ldns_rr_rdf(sig, 4)); fprintf(fp, " "); + /* incep */ + ldns_rdf_print(fp, ldns_rr_rdf(sig, 5)); fprintf(fp, " "); + /* key-id */ + ldns_rdf_print(fp, ldns_rr_rdf(sig, 6)); fprintf(fp, " "); + /* key owner */ + ldns_rdf_print(fp, ldns_rr_rdf(sig, 7)); fprintf(fp, ")"); +} + +void +print_dnskey_abbr(FILE *fp, ldns_rr *key) +{ + if (!key || (ldns_rr_get_type(key) != LDNS_RR_TYPE_DNSKEY)) { + return; + } + + ldns_rdf_print(fp, ldns_rr_owner(key)); + fprintf(fp, " %d", (int)ldns_rr_ttl(key)); + print_class_type(fp, key); + + /* print a number of rdf's */ + /* flags */ + ldns_rdf_print(fp, ldns_rr_rdf(key, 0)); fprintf(fp, " "); + /* proto */ + ldns_rdf_print(fp, ldns_rr_rdf(key, 1)); fprintf(fp, " "); + /* algo */ + ldns_rdf_print(fp, ldns_rr_rdf(key, 2)); + + if (ldns_rdf2native_int16(ldns_rr_rdf(key, 0)) == 256) { + fprintf(fp, " ;{id = %u (zsk), size = %db}", (unsigned int)ldns_calc_keytag(key), + (int)ldns_rr_dnskey_key_size(key)); + return; + } + if (ldns_rdf2native_int16(ldns_rr_rdf(key, 0)) == 257) { + fprintf(fp, " ;{id = %u (ksk), size = %db}", (unsigned int)ldns_calc_keytag(key), + (int)ldns_rr_dnskey_key_size(key)); + return; + } + fprintf(fp, " ;{id = %u, size = %db}", (unsigned int)ldns_calc_keytag(key), + (int)ldns_rr_dnskey_key_size(key)); +} + +void +print_rr_list_abbr(FILE *fp, ldns_rr_list *rrlist, char *usr) +{ + size_t i; + ldns_rr_type tp; + + for(i = 0; i < ldns_rr_list_rr_count(rrlist); i++) { + tp = ldns_rr_get_type(ldns_rr_list_rr(rrlist, i)); + if (i == 0 && tp != LDNS_RR_TYPE_RRSIG) { + if (usr) { + fprintf(fp, "%s ", usr); + } + } + switch(tp) { + case LDNS_RR_TYPE_DNSKEY: + print_dnskey_abbr(fp, ldns_rr_list_rr(rrlist, i)); + break; + case LDNS_RR_TYPE_RRSIG: + print_rrsig_abbr(fp, ldns_rr_list_rr(rrlist, i)); + break; + case LDNS_RR_TYPE_DS: + print_ds_abbr(fp, ldns_rr_list_rr(rrlist, i)); + break; + default: + /* not handled */ + break; + } + fputs("\n", fp); + } +} + +void * +xmalloc(size_t s) +{ + void *p; + + p = malloc(s); + if (!p) { + printf("Mem failure\n"); + exit(EXIT_FAILURE); + } + return p; +} + +void * +xrealloc(void *p, size_t size) +{ + void *q; + + q = realloc(p, size); + if (!q) { + printf("Mem failure\n"); + exit(EXIT_FAILURE); + } + return q; +} + +void +xfree(void *p) +{ + if (p) { + free(p); + } +} diff --git a/libs/ldns/drill/drill_util.h b/libs/ldns/drill/drill_util.h new file mode 100644 index 0000000000..db3a57436a --- /dev/null +++ b/libs/ldns/drill/drill_util.h @@ -0,0 +1,58 @@ +/* + * util.h + * util.c header file + * in ldns + * (c) 2005 NLnet Labs + * + * See the file LICENSE for the license + * + */ + +#ifndef _DRILL_UTIL_H_ +#define _DRILL_UTIL_H_ +#include + +/** + * return a address rdf, either A or AAAA + * NULL if anything goes wrong + */ +ldns_rdf * ldns_rdf_new_addr_frm_str(char *); + +/** + * print all the ds of the keys in the packet + */ +void print_ds_of_keys(ldns_pkt *p); + +/** + * print some rdfs of a signature + */ +void print_rrsig_abbr(FILE *fp, ldns_rr *sig); +/** + * print some rdfs of a dnskey + */ +void print_dnskey_abbr(FILE *fp, ldns_rr *key); +/** + * print some rdfs of a ds + */ +void print_ds_abbr(FILE *fp, ldns_rr *ds); + +/** + * print some rdfs of a rr in a rr_list + */ +void print_rr_list_abbr(FILE *fp, ldns_rr_list *sig, char *usr); + +/** + * Alloc some memory, with error checking + */ +void *xmalloc(size_t s); + +/** + * Realloc some memory, with error checking + */ +void *xrealloc(void *p, size_t s); + +/** + * Free the data + */ +void xfree(void *q); +#endif /* _DRILL_UTIL_H_ */ diff --git a/libs/ldns/drill/error.c b/libs/ldns/drill/error.c new file mode 100644 index 0000000000..e67b7fca02 --- /dev/null +++ b/libs/ldns/drill/error.c @@ -0,0 +1,115 @@ +/** + * error.c + * + * error reporting routines + * basicly wrappers around printf + * + * (c) 2005 NLnet Labs + * + * See the file LICENSE for the license + * + */ + +#include "drill.h" +#include + +static void +warning_va_list(const char *fmt, va_list args) +{ + fprintf(stderr, "Warning: "); + vfprintf(stderr, fmt, args); + fprintf(stderr, "\n"); +} + +void +warning(const char *fmt, ...) +{ + va_list args; + va_start(args, fmt); + warning_va_list(fmt, args); + va_end(args); +} + +static void +error_va_list(const char *fmt, va_list args) +{ + fprintf(stderr, "Error: "); + vfprintf(stderr, fmt, args); + fprintf(stderr, "\n"); +} + +void +error(const char *fmt, ...) +{ + va_list args; + va_start(args, fmt); + error_va_list(fmt, args); + va_end(args); + exit(EXIT_FAILURE); +} + +static void +verbose_va_list(const char *fmt, va_list args) +{ + vfprintf(stdout, fmt, args); + fprintf(stdout, "\n"); +} + +/* print stuff */ +void +mesg(const char *fmt, ...) +{ + va_list args; + if (verbosity == -1) { + return; + } + fprintf(stdout, ";; "); + va_start(args, fmt); + verbose_va_list(fmt, args); + va_end(args); +} + +/* print stuff when in verbose mode (1) */ +void +verbose(const char *fmt, ...) +{ + va_list args; + if (verbosity < 1) { + return; + } + + va_start(args, fmt); + verbose_va_list(fmt, args); + va_end(args); +} + +/* print stuff when in vverbose mode (2) */ +void +vverbose(const char *fmt, ...) +{ + va_list args; + if (verbosity < 2) { + return; + } + + va_start(args, fmt); + verbose_va_list(fmt, args); + va_end(args); +} + +static void +debug_va_list(const char *fmt, va_list args) +{ + vfprintf(stderr, fmt, args); + fprintf(stderr, "\n"); +} + +void +debug(const char *fmt, ...) +{ + va_list args; + fprintf(stderr, "[DEBUG] "); + va_start(args, fmt); + debug_va_list(fmt, args); + va_end(args); +} diff --git a/libs/ldns/drill/install-sh b/libs/ldns/drill/install-sh new file mode 100644 index 0000000000..6781b987bd --- /dev/null +++ b/libs/ldns/drill/install-sh @@ -0,0 +1,520 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2009-04-28.21; # UTC + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# `make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. + +nl=' +' +IFS=" "" $nl" + +# set DOITPROG to echo to test this script + +# Don't use :- since 4.3BSD and earlier shells don't like it. +doit=${DOITPROG-} +if test -z "$doit"; then + doit_exec=exec +else + doit_exec=$doit +fi + +# Put in absolute file names if you don't have them in your path; +# or use environment vars. + +chgrpprog=${CHGRPPROG-chgrp} +chmodprog=${CHMODPROG-chmod} +chownprog=${CHOWNPROG-chown} +cmpprog=${CMPPROG-cmp} +cpprog=${CPPROG-cp} +mkdirprog=${MKDIRPROG-mkdir} +mvprog=${MVPROG-mv} +rmprog=${RMPROG-rm} +stripprog=${STRIPPROG-strip} + +posix_glob='?' +initialize_posix_glob=' + test "$posix_glob" != "?" || { + if (set -f) 2>/dev/null; then + posix_glob= + else + posix_glob=: + fi + } +' + +posix_mkdir= + +# Desired mode of installed file. +mode=0755 + +chgrpcmd= +chmodcmd=$chmodprog +chowncmd= +mvcmd=$mvprog +rmcmd="$rmprog -f" +stripcmd= + +src= +dst= +dir_arg= +dst_arg= + +copy_on_change=false +no_target_directory= + +usage="\ +Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: + --help display this help and exit. + --version display version info and exit. + + -c (ignored) + -C install only if different (preserve the last data modification time) + -d create directories instead of installing files. + -g GROUP $chgrpprog installed files to GROUP. + -m MODE $chmodprog installed files to MODE. + -o USER $chownprog installed files to USER. + -s $stripprog installed files. + -t DIRECTORY install into DIRECTORY. + -T report an error if DSTFILE is a directory. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG + RMPROG STRIPPROG +" + +while test $# -ne 0; do + case $1 in + -c) ;; + + -C) copy_on_change=true;; + + -d) dir_arg=true;; + + -g) chgrpcmd="$chgrpprog $2" + shift;; + + --help) echo "$usage"; exit $?;; + + -m) mode=$2 + case $mode in + *' '* | *' '* | *' +'* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac + shift;; + + -o) chowncmd="$chownprog $2" + shift;; + + -s) stripcmd=$stripprog;; + + -t) dst_arg=$2 + shift;; + + -T) no_target_directory=true;; + + --version) echo "$0 $scriptversion"; exit $?;; + + --) shift + break;; + + -*) echo "$0: invalid option: $1" >&2 + exit 1;; + + *) break;; + esac + shift +done + +if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then + # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + # Otherwise, the last argument is the destination. Remove it from $@. + for arg + do + if test -n "$dst_arg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dst_arg" + shift # fnord + fi + shift # arg + dst_arg=$arg + done +fi + +if test $# -eq 0; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call `install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +if test -z "$dir_arg"; then + trap '(exit $?); exit' 1 2 13 15 + + # Set umask so as not to create temps with too-generous modes. + # However, 'strip' requires both read and write access to temps. + case $mode in + # Optimize common cases. + *644) cp_umask=133;; + *755) cp_umask=22;; + + *[0-7]) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw='% 200' + fi + cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; + *) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw=,u+rw + fi + cp_umask=$mode$u_plus_rw;; + esac +fi + +for src +do + # Protect names starting with `-'. + case $src in + -*) src=./$src;; + esac + + if test -n "$dir_arg"; then + dst=$src + dstdir=$dst + test -d "$dstdir" + dstdir_status=$? + else + + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dst_arg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + + dst=$dst_arg + # Protect names starting with `-'. + case $dst in + -*) dst=./$dst;; + esac + + # If destination is a directory, append the input filename; won't work + # if double slashes aren't ignored. + if test -d "$dst"; then + if test -n "$no_target_directory"; then + echo "$0: $dst_arg: Is a directory" >&2 + exit 1 + fi + dstdir=$dst + dst=$dstdir/`basename "$src"` + dstdir_status=0 + else + # Prefer dirname, but fall back on a substitute if dirname fails. + dstdir=` + (dirname "$dst") 2>/dev/null || + expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$dst" : 'X\(//\)[^/]' \| \ + X"$dst" : 'X\(//\)$' \| \ + X"$dst" : 'X\(/\)' \| . 2>/dev/null || + echo X"$dst" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q' + ` + + test -d "$dstdir" + dstdir_status=$? + fi + fi + + obsolete_mkdir_used=false + + if test $dstdir_status != 0; then + case $posix_mkdir in + '') + # Create intermediate dirs using mode 755 as modified by the umask. + # This is like FreeBSD 'install' as of 1997-10-28. + umask=`umask` + case $stripcmd.$umask in + # Optimize common cases. + *[2367][2367]) mkdir_umask=$umask;; + .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; + + *[0-7]) + mkdir_umask=`expr $umask + 22 \ + - $umask % 100 % 40 + $umask % 20 \ + - $umask % 10 % 4 + $umask % 2 + `;; + *) mkdir_umask=$umask,go-w;; + esac + + # With -d, create the new directory with the user-specified mode. + # Otherwise, rely on $mkdir_umask. + if test -n "$dir_arg"; then + mkdir_mode=-m$mode + else + mkdir_mode= + fi + + posix_mkdir=false + case $umask in + *[123567][0-7][0-7]) + # POSIX mkdir -p sets u+wx bits regardless of umask, which + # is incompatible with FreeBSD 'install' when (umask & 300) != 0. + ;; + *) + tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ + trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 + + if (umask $mkdir_umask && + exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1 + then + if test -z "$dir_arg" || { + # Check for POSIX incompatibilities with -m. + # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or + # other-writeable bit of parent directory when it shouldn't. + # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. + ls_ld_tmpdir=`ls -ld "$tmpdir"` + case $ls_ld_tmpdir in + d????-?r-*) different_mode=700;; + d????-?--*) different_mode=755;; + *) false;; + esac && + $mkdirprog -m$different_mode -p -- "$tmpdir" && { + ls_ld_tmpdir_1=`ls -ld "$tmpdir"` + test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" + } + } + then posix_mkdir=: + fi + rmdir "$tmpdir/d" "$tmpdir" + else + # Remove any dirs left behind by ancient mkdir implementations. + rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null + fi + trap '' 0;; + esac;; + esac + + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) + then : + else + + # The umask is ridiculous, or mkdir does not conform to POSIX, + # or it failed possibly due to a race condition. Create the + # directory the slow way, step by step, checking for races as we go. + + case $dstdir in + /*) prefix='/';; + -*) prefix='./';; + *) prefix='';; + esac + + eval "$initialize_posix_glob" + + oIFS=$IFS + IFS=/ + $posix_glob set -f + set fnord $dstdir + shift + $posix_glob set +f + IFS=$oIFS + + prefixes= + + for d + do + test -z "$d" && continue + + prefix=$prefix$d + if test -d "$prefix"; then + prefixes= + else + if $posix_mkdir; then + (umask=$mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break + # Don't fail if two instances are running concurrently. + test -d "$prefix" || exit 1 + else + case $prefix in + *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; + *) qprefix=$prefix;; + esac + prefixes="$prefixes '$qprefix'" + fi + fi + prefix=$prefix/ + done + + if test -n "$prefixes"; then + # Don't fail if two instances are running concurrently. + (umask $mkdir_umask && + eval "\$doit_exec \$mkdirprog $prefixes") || + test -d "$dstdir" || exit 1 + obsolete_mkdir_used=true + fi + fi + fi + + if test -n "$dir_arg"; then + { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && + { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || + test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 + else + + # Make a couple of temp file names in the proper directory. + dsttmp=$dstdir/_inst.$$_ + rmtmp=$dstdir/_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + + # Copy the file name to the temp name. + (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && + { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && + { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + + # If -C, don't bother to copy if it wouldn't change the file. + if $copy_on_change && + old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && + new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && + + eval "$initialize_posix_glob" && + $posix_glob set -f && + set X $old && old=:$2:$4:$5:$6 && + set X $new && new=:$2:$4:$5:$6 && + $posix_glob set +f && + + test "$old" = "$new" && + $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 + then + rm -f "$dsttmp" + else + # Rename the file to the real destination. + $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || + + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + { + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + test ! -f "$dst" || + $doit $rmcmd -f "$dst" 2>/dev/null || + { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && + { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } + } || + { echo "$0: cannot unlink or rename $dst" >&2 + (exit 1); exit 1 + } + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dst" + } + fi || exit 1 + + trap '' 0 + fi +done + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/libs/ldns/drill/root.c b/libs/ldns/drill/root.c new file mode 100644 index 0000000000..a829935cd5 --- /dev/null +++ b/libs/ldns/drill/root.c @@ -0,0 +1,122 @@ +/* + * root.c + * Function to handle to the rootservers + * and to update and prime them + * (c) 2005 NLnet Labs + * + * See the file LICENSE for the license + * + */ + +#include "drill.h" +#include +#include + +/* a global list of the root-servers */ +ldns_rr_list *global_dns_root = NULL; + +/* put a hardcoded list in the root and + * init the root rrlist structure */ +void +init_root(void) +{ + ldns_rr *r; + + global_dns_root = ldns_rr_list_new(); + + (void)ldns_rr_new_frm_str(&r, "A.ROOT-SERVERS.NET. 3600000 A 198.41.0.4", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "A.ROOT-SERVERS.NET. 3600000 AAAA 2001:503:BA3E::2:30", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "B.ROOT-SERVERS.NET. 3600000 A 192.228.79.201", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "C.ROOT-SERVERS.NET. 3600000 A 192.33.4.12", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "D.ROOT-SERVERS.NET. 3600000 A 128.8.10.90", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "E.ROOT-SERVERS.NET. 3600000 A 192.203.230.10", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "F.ROOT-SERVERS.NET. 3600000 A 192.5.5.241", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "F.ROOT-SERVERS.NET. 3600000 AAAA 2001:500:2F::F", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "G.ROOT-SERVERS.NET. 3600000 A 192.112.36.4", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "H.ROOT-SERVERS.NET. 3600000 A 128.63.2.53", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "H.ROOT-SERVERS.NET. 3600000 AAAA 2001:500:1::803F:235", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "I.ROOT-SERVERS.NET. 3600000 A 192.36.148.17", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "J.ROOT-SERVERS.NET. 3600000 A 192.58.128.30", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "J.ROOT-SERVERS.NET. 3600000 AAAA 2001:503:C27::2:30", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "K.ROOT-SERVERS.NET. 3600000 A 193.0.14.129 ", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "K.ROOT-SERVERS.NET. 3600000 AAAA 2001:7FD::1", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "L.ROOT-SERVERS.NET. 3600000 A 199.7.83.42", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "L.ROOT-SERVERS.NET. 3600000 AAAA 2001:500:3::42 ", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "M.ROOT-SERVERS.NET. 3600000 A 202.12.27.33", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); + (void)ldns_rr_new_frm_str(&r, "M.ROOT-SERVERS.NET. 3600000 AAAA 2001:DC3::35", 0, NULL, NULL); + ldns_rr_list_push_rr(global_dns_root, r); +} + +/* + * Read a hints file as root + * + * The file with the given path should contain a list of NS RRs + * for the root zone and A records for those NS RRs. + * Read them, check them, and append the a records to the rr list given. + */ +ldns_rr_list * +read_root_hints(const char *filename) +{ + FILE *fp = NULL; + int line_nr = 0; + ldns_zone *z; + ldns_status status; + ldns_rr_list *addresses = NULL; + ldns_rr *rr; + size_t i; + + fp = fopen(filename, "r"); + if (!fp) { + fprintf(stderr, "Unable to open %s for reading: %s\n", filename, strerror(errno)); + return NULL; + } + + status = ldns_zone_new_frm_fp_l(&z, fp, NULL, 0, 0, &line_nr); + fclose(fp); + if (status != LDNS_STATUS_OK) { + fprintf(stderr, "Error reading root hints file: %s\n", ldns_get_errorstr_by_id(status)); + return NULL; + } else { + addresses = ldns_rr_list_new(); + for (i = 0; i < ldns_rr_list_rr_count(ldns_zone_rrs(z)); i++) { + rr = ldns_rr_list_rr(ldns_zone_rrs(z), i); + /*if ((address_family == 0 || address_family == 1) && + */ + if ( ldns_rr_get_type(rr) == LDNS_RR_TYPE_A ) { + ldns_rr_list_push_rr(addresses, ldns_rr_clone(rr)); + } + /*if ((address_family == 0 || address_family == 2) &&*/ + if ( ldns_rr_get_type(rr) == LDNS_RR_TYPE_AAAA) { + ldns_rr_list_push_rr(addresses, ldns_rr_clone(rr)); + } + } + ldns_zone_deep_free(z); + return addresses; + } +} + + +void +clear_root(void) +{ + ldns_rr_list_deep_free(global_dns_root); +} diff --git a/libs/ldns/drill/securetrace.c b/libs/ldns/drill/securetrace.c new file mode 100644 index 0000000000..ecc21fdf49 --- /dev/null +++ b/libs/ldns/drill/securetrace.c @@ -0,0 +1,761 @@ +/* + * securechasetrace.c + * Where all the hard work concerning secure tracing is done + * + * (c) 2005, 2006 NLnet Labs + * + * See the file LICENSE for the license + * + */ + +#include "drill.h" +#include + +#define SELF "[S]" /* self sig ok */ +#define TRUST "[T]" /* chain from parent */ +#define BOGUS "[B]" /* bogus */ +#define UNSIGNED "[U]" /* no relevant dnssec data found */ + +#if 0 +/* See if there is a key/ds in trusted that matches + * a ds in *ds. + */ +static ldns_rr_list * +ds_key_match(ldns_rr_list *ds, ldns_rr_list *trusted) +{ + size_t i, j; + bool match; + ldns_rr *rr_i, *rr_j; + ldns_rr_list *keys; + + if (!trusted || !ds) { + return NULL; + } + + match = false; + keys = ldns_rr_list_new(); + if (!keys) { + return NULL; + } + + if (!ds || !trusted) { + return NULL; + } + + for (i = 0; i < ldns_rr_list_rr_count(trusted); i++) { + rr_i = ldns_rr_list_rr(trusted, i); + for (j = 0; j < ldns_rr_list_rr_count(ds); j++) { + + rr_j = ldns_rr_list_rr(ds, j); + if (ldns_rr_compare_ds(rr_i, rr_j)) { + match = true; + /* only allow unique RRs to match */ + ldns_rr_set_push_rr(keys, rr_i); + } + } + } + if (match) { + return keys; + } else { + return NULL; + } +} +#endif + +ldns_pkt * +get_dnssec_pkt(ldns_resolver *r, ldns_rdf *name, ldns_rr_type t) +{ + ldns_pkt *p = NULL; + p = ldns_resolver_query(r, name, t, LDNS_RR_CLASS_IN, 0); + if (!p) { + return NULL; + } else { + if (verbosity >= 5) { + ldns_pkt_print(stdout, p); + } + return p; + } +} + +#ifdef HAVE_SSL +/* + * retrieve keys for this zone + */ +static ldns_pkt_type +get_key(ldns_pkt *p, ldns_rdf *apexname, ldns_rr_list **rrlist, ldns_rr_list **opt_sig) +{ + return get_dnssec_rr(p, apexname, LDNS_RR_TYPE_DNSKEY, rrlist, opt_sig); +} + +/* + * check to see if we can find a DS rrset here which we can then follow + */ +static ldns_pkt_type +get_ds(ldns_pkt *p, ldns_rdf *ownername, ldns_rr_list **rrlist, ldns_rr_list **opt_sig) +{ + return get_dnssec_rr(p, ownername, LDNS_RR_TYPE_DS, rrlist, opt_sig); +} +#endif /* HAVE_SSL */ + +void +remove_resolver_nameservers(ldns_resolver *res) +{ + ldns_rdf *pop; + + /* remove the old nameserver from the resolver */ + while((pop = ldns_resolver_pop_nameserver(res))) { + ldns_rdf_deep_free(pop); + } + +} + +void +show_current_nameservers(FILE *out, ldns_resolver *res) +{ + size_t i; + fprintf(out, "Current nameservers for resolver object:\n"); + for (i = 0; i < ldns_resolver_nameserver_count(res); i++) { + ldns_rdf_print(out, ldns_resolver_nameservers(res)[i]); + fprintf(out, "\n"); + } +} + +/*ldns_pkt **/ +#ifdef HAVE_SSL +int +do_secure_trace(ldns_resolver *local_res, ldns_rdf *name, ldns_rr_type t, + ldns_rr_class c, ldns_rr_list *trusted_keys, ldns_rdf *start_name + ) +{ + ldns_resolver *res; + ldns_pkt *p, *local_p; + ldns_rr_list *new_nss_a; + ldns_rr_list *new_nss_aaaa; + ldns_rr_list *new_nss; + ldns_rr_list *ns_addr; + uint16_t loop_count; + ldns_rdf *pop; + ldns_rdf **labels = NULL; + ldns_status status, st; + ssize_t i; + size_t j; + size_t k; + size_t l; + uint8_t labels_count; + ldns_pkt_type pt; + + /* dnssec */ + ldns_rr_list *key_list; + ldns_rr_list *key_sig_list; + ldns_rr_list *ds_list; + ldns_rr_list *ds_sig_list; + ldns_rr_list *correct_key_list; + ldns_rr_list *trusted_ds_rrs; + bool new_keys_trusted = false; + ldns_rr_list *current_correct_keys; + ldns_rr_list *dataset; + + ldns_rr_list *nsec_rrs = NULL; + ldns_rr_list *nsec_rr_sigs = NULL; + + /* empty non-terminal check */ + bool ent; + + /* glue handling */ + ldns_rr_list *new_ns_addr; + ldns_rr_list *old_ns_addr; + ldns_rr *ns_rr; + + int result = 0; + + /* printing niceness */ + const ldns_rr_descriptor *descriptor; + + descriptor = ldns_rr_descript(t); + + loop_count = 0; + new_nss_a = NULL; + new_nss_aaaa = NULL; + new_nss = NULL; + ns_addr = NULL; + key_list = NULL; + ds_list = NULL; + pt = LDNS_PACKET_UNKNOWN; + + p = NULL; + local_p = NULL; + res = ldns_resolver_new(); + key_sig_list = NULL; + ds_sig_list = NULL; + + if (!res) { + error("Memory allocation failed"); + result = -1; + return result; + } + + correct_key_list = ldns_rr_list_new(); + if (!correct_key_list) { + error("Memory allocation failed"); + result = -1; + return result; + } + + trusted_ds_rrs = ldns_rr_list_new(); + if (!trusted_ds_rrs) { + error("Memory allocation failed"); + result = -1; + return result; + } + /* Add all preset trusted DS signatures to the list of trusted DS RRs. */ + for (j = 0; j < ldns_rr_list_rr_count(trusted_keys); j++) { + ldns_rr* one_rr = ldns_rr_list_rr(trusted_keys, j); + if (ldns_rr_get_type(one_rr) == LDNS_RR_TYPE_DS) { + ldns_rr_list_push_rr(trusted_ds_rrs, ldns_rr_clone(one_rr)); + } + } + + /* transfer some properties of local_res to res */ + ldns_resolver_set_ip6(res, + ldns_resolver_ip6(local_res)); + ldns_resolver_set_port(res, + ldns_resolver_port(local_res)); + ldns_resolver_set_debug(res, + ldns_resolver_debug(local_res)); + ldns_resolver_set_fail(res, + ldns_resolver_fail(local_res)); + ldns_resolver_set_usevc(res, + ldns_resolver_usevc(local_res)); + ldns_resolver_set_random(res, + ldns_resolver_random(local_res)); + ldns_resolver_set_recursive(local_res, true); + + ldns_resolver_set_recursive(res, false); + ldns_resolver_set_dnssec_cd(res, false); + ldns_resolver_set_dnssec(res, true); + + /* setup the root nameserver in the new resolver */ + status = ldns_resolver_push_nameserver_rr_list(res, global_dns_root); + if (status != LDNS_STATUS_OK) { + printf("ERRRRR: %s\n", ldns_get_errorstr_by_id(status)); + ldns_rr_list_print(stdout, global_dns_root); + return status; + } + labels_count = ldns_dname_label_count(name); + if (start_name) { + if (ldns_dname_is_subdomain(name, start_name)) { + labels_count -= ldns_dname_label_count(start_name); + } else { + fprintf(stderr, "Error; "); + ldns_rdf_print(stderr, name); + fprintf(stderr, " is not a subdomain of "); + ldns_rdf_print(stderr, start_name); + fprintf(stderr, "\n"); + goto done; + } + } + labels = LDNS_XMALLOC(ldns_rdf*, labels_count + 2); + if (!labels) { + goto done; + } + labels[0] = ldns_dname_new_frm_str(LDNS_ROOT_LABEL_STR); + labels[1] = ldns_rdf_clone(name); + for(i = 2 ; i < (ssize_t)labels_count + 2; i++) { + labels[i] = ldns_dname_left_chop(labels[i - 1]); + } + /* if no servers is given with @, start by asking local resolver */ + /* first part todo :) */ + for (i = 0; i < (ssize_t) ldns_resolver_nameserver_count(local_res); i++) { + (void) ldns_resolver_push_nameserver(res, ldns_resolver_nameservers(local_res)[i]); + } + + /* get the nameserver for the label + * ask: dnskey and ds for the label + */ + for(i = (ssize_t)labels_count + 1; i > 0; i--) { + status = ldns_resolver_send(&local_p, res, labels[i], LDNS_RR_TYPE_NS, c, 0); + + if (verbosity >= 5) { + ldns_pkt_print(stdout, local_p); + } + + new_nss = ldns_pkt_rr_list_by_type(local_p, + LDNS_RR_TYPE_NS, LDNS_SECTION_ANSWER); + if (!new_nss) { + /* if it's a delegation, servers put them in the auth section */ + new_nss = ldns_pkt_rr_list_by_type(local_p, + LDNS_RR_TYPE_NS, LDNS_SECTION_AUTHORITY); + } + + /* if this is the final step there might not be nameserver records + of course if the data is in the apex, there are, so cover both + cases */ + if (new_nss || i > 1) { + for(j = 0; j < ldns_rr_list_rr_count(new_nss); j++) { + ns_rr = ldns_rr_list_rr(new_nss, j); + pop = ldns_rr_rdf(ns_rr, 0); + if (!pop) { + printf("nopo\n"); + break; + } + /* retrieve it's addresses */ + /* trust glue? */ + new_ns_addr = NULL; + if (ldns_dname_is_subdomain(pop, labels[i])) { + new_ns_addr = ldns_pkt_rr_list_by_name_and_type(local_p, pop, LDNS_RR_TYPE_A, LDNS_SECTION_ADDITIONAL); + } + if (!new_ns_addr || ldns_rr_list_rr_count(new_ns_addr) == 0) { + new_ns_addr = ldns_get_rr_list_addr_by_name(res, pop, c, 0); + } + if (!new_ns_addr || ldns_rr_list_rr_count(new_ns_addr) == 0) { + new_ns_addr = ldns_get_rr_list_addr_by_name(local_res, pop, c, 0); + } + + if (new_ns_addr) { + old_ns_addr = ns_addr; + ns_addr = ldns_rr_list_cat_clone(ns_addr, new_ns_addr); + ldns_rr_list_deep_free(old_ns_addr); + } + ldns_rr_list_deep_free(new_ns_addr); + } + ldns_rr_list_deep_free(new_nss); + + if (ns_addr) { + remove_resolver_nameservers(res); + + if (ldns_resolver_push_nameserver_rr_list(res, ns_addr) != + LDNS_STATUS_OK) { + error("Error adding new nameservers"); + ldns_pkt_free(local_p); + goto done; + } + ldns_rr_list_deep_free(ns_addr); + } else { + status = ldns_verify_denial(local_p, labels[i], LDNS_RR_TYPE_NS, &nsec_rrs, &nsec_rr_sigs); + + /* verify the nsec3 themselves*/ + if (verbosity >= 4) { + printf("NSEC(3) Records to verify:\n"); + ldns_rr_list_print(stdout, nsec_rrs); + printf("With signatures:\n"); + ldns_rr_list_print(stdout, nsec_rr_sigs); + printf("correct keys:\n"); + ldns_rr_list_print(stdout, correct_key_list); + } + + if (status == LDNS_STATUS_OK) { + if ((st = ldns_verify(nsec_rrs, nsec_rr_sigs, trusted_keys, NULL)) == LDNS_STATUS_OK) { + fprintf(stdout, "%s ", TRUST); + fprintf(stdout, "Existence denied: "); + ldns_rdf_print(stdout, labels[i]); + /* + if (descriptor && descriptor->_name) { + printf(" %s", descriptor->_name); + } else { + printf(" TYPE%u", t); + } + */ fprintf(stdout, " NS\n"); + } else if ((st = ldns_verify(nsec_rrs, nsec_rr_sigs, correct_key_list, NULL)) == LDNS_STATUS_OK) { + fprintf(stdout, "%s ", SELF); + fprintf(stdout, "Existence denied: "); + ldns_rdf_print(stdout, labels[i]); + /* + if (descriptor && descriptor->_name) { + printf(" %s", descriptor->_name); + } else { + printf(" TYPE%u", t); + } + */ + fprintf(stdout, " NS\n"); + } else { + fprintf(stdout, "%s ", BOGUS); + result = 1; + printf(";; Error verifying denial of existence for name "); + ldns_rdf_print(stdout, labels[i]); + /* + printf(" type "); + if (descriptor && descriptor->_name) { + printf("%s", descriptor->_name); + } else { + printf("TYPE%u", t); + } + */ printf("NS: %s\n", ldns_get_errorstr_by_id(st)); + } + } else { + fprintf(stdout, "%s ", BOGUS); + result = 1; + printf(";; Error verifying denial of existence for name "); + ldns_rdf_print(stdout, labels[i]); + printf("NS: %s\n", ldns_get_errorstr_by_id(status)); + } + + /* there might be an empty non-terminal, in which case we need to continue */ + ent = false; + for (j = 0; j < ldns_rr_list_rr_count(nsec_rrs); j++) { + if (ldns_dname_is_subdomain(ldns_rr_rdf(ldns_rr_list_rr(nsec_rrs, j), 0), labels[i])) { + ent = true; + } + } + if (!ent) { + ldns_rr_list_deep_free(nsec_rrs); + ldns_rr_list_deep_free(nsec_rr_sigs); + ldns_pkt_free(local_p); + goto done; + } else { + printf(";; There is an empty non-terminal here, continue\n"); + continue; + } + goto done; + } + + if (ldns_resolver_nameserver_count(res) == 0) { + error("No nameservers found for this node"); + goto done; + } + } + ldns_pkt_free(local_p); + + fprintf(stdout, ";; Domain: "); + ldns_rdf_print(stdout, labels[i]); + fprintf(stdout, "\n"); + + /* retrieve keys for current domain, and verify them + if they match an already trusted DS, or if one of the + keys used to sign these is trusted, add the keys to + the trusted list */ + p = get_dnssec_pkt(res, labels[i], LDNS_RR_TYPE_DNSKEY); + pt = get_key(p, labels[i], &key_list, &key_sig_list); + if (key_sig_list) { + if (key_list) { + current_correct_keys = ldns_rr_list_new(); + if ((st = ldns_verify(key_list, key_sig_list, key_list, current_correct_keys)) == + LDNS_STATUS_OK) { + /* add all signed keys (don't just add current_correct, you'd miss + * the zsk's then */ + for (j = 0; j < ldns_rr_list_rr_count(key_list); j++) { + ldns_rr_list_push_rr(correct_key_list, ldns_rr_clone(ldns_rr_list_rr(key_list, j))); + } + + /* check whether these keys were signed + * by a trusted keys. if so, these + * keys are also trusted */ + new_keys_trusted = false; + for (k = 0; k < ldns_rr_list_rr_count(current_correct_keys); k++) { + for (j = 0; j < ldns_rr_list_rr_count(trusted_ds_rrs); j++) { + if (ldns_rr_compare_ds(ldns_rr_list_rr(current_correct_keys, k), + ldns_rr_list_rr(trusted_ds_rrs, j))) { + new_keys_trusted = true; + } + } + } + + /* also all keys are trusted if one of the current correct keys is trusted */ + for (k = 0; k < ldns_rr_list_rr_count(current_correct_keys); k++) { + for (j = 0; j < ldns_rr_list_rr_count(trusted_keys); j++) { + if (ldns_rr_compare(ldns_rr_list_rr(current_correct_keys, k), + ldns_rr_list_rr(trusted_keys, j)) == 0) { + new_keys_trusted = true; + } + } + } + + + if (new_keys_trusted) { + ldns_rr_list_push_rr_list(trusted_keys, key_list); + print_rr_list_abbr(stdout, key_list, TRUST); + ldns_rr_list_free(key_list); + key_list = NULL; + } else { + if (verbosity >= 2) { + printf(";; Signature ok but no chain to a trusted key or ds record\n"); + } + print_rr_list_abbr(stdout, key_list, SELF); + ldns_rr_list_deep_free(key_list); + key_list = NULL; + } + } else { + print_rr_list_abbr(stdout, key_list, BOGUS); + result = 2; + ldns_rr_list_deep_free(key_list); + key_list = NULL; + } + ldns_rr_list_free(current_correct_keys); + current_correct_keys = NULL; + } else { + printf(";; No DNSKEY record found for "); + ldns_rdf_print(stdout, labels[i]); + printf("\n"); + } + } + + ldns_pkt_free(p); + ldns_rr_list_deep_free(key_sig_list); + key_sig_list = NULL; + + /* check the DS records for the next child domain */ + if (i > 1) { + p = get_dnssec_pkt(res, labels[i-1], LDNS_RR_TYPE_DS); + pt = get_ds(p, labels[i-1], &ds_list, &ds_sig_list); + if (!ds_list) { + ldns_pkt_free(p); + if (ds_sig_list) { + ldns_rr_list_deep_free(ds_sig_list); + } + p = get_dnssec_pkt(res, name, LDNS_RR_TYPE_DNSKEY); + pt = get_ds(p, NULL, &ds_list, &ds_sig_list); + } + if (ds_sig_list) { + if (ds_list) { + if (verbosity >= 4) { + printf("VERIFYING:\n"); + printf("DS LIST:\n"); + ldns_rr_list_print(stdout, ds_list); + printf("SIGS:\n"); + ldns_rr_list_print(stdout, ds_sig_list); + printf("KEYS:\n"); + ldns_rr_list_print(stdout, correct_key_list); + } + + current_correct_keys = ldns_rr_list_new(); + + if ((st = ldns_verify(ds_list, ds_sig_list, correct_key_list, current_correct_keys)) == + LDNS_STATUS_OK) { + /* if the ds is signed by a trusted key and a key from correct keys + matches that ds, add that key to the trusted keys */ + new_keys_trusted = false; + if (verbosity >= 2) { + printf("Checking if signing key is trusted:\n"); + } + for (j = 0; j < ldns_rr_list_rr_count(current_correct_keys); j++) { + if (verbosity >= 2) { + printf("New key: "); + ldns_rr_print(stdout, ldns_rr_list_rr(current_correct_keys, j)); + } + for (k = 0; k < ldns_rr_list_rr_count(trusted_keys); k++) { + if (verbosity >= 2) { + printf("\tTrusted key: "); + ldns_rr_print(stdout, ldns_rr_list_rr(trusted_keys, k)); + } + if (ldns_rr_compare(ldns_rr_list_rr(current_correct_keys, j), + ldns_rr_list_rr(trusted_keys, k)) == 0) { + if (verbosity >= 2) { + printf("Key is now trusted!\n"); + } + for (l = 0; l < ldns_rr_list_rr_count(ds_list); l++) { + ldns_rr_list_push_rr(trusted_ds_rrs, ldns_rr_clone(ldns_rr_list_rr(ds_list, l))); + new_keys_trusted = true; + } + } + } + } + if (new_keys_trusted) { + print_rr_list_abbr(stdout, ds_list, TRUST); + } else { + print_rr_list_abbr(stdout, ds_list, SELF); + } + } else { + result = 3; + print_rr_list_abbr(stdout, ds_list, BOGUS); + } + + ldns_rr_list_free(current_correct_keys); + current_correct_keys = NULL; + } else { + /* wait apparently there were no keys either, go back to the ds packet */ + ldns_pkt_free(p); + ldns_rr_list_deep_free(ds_sig_list); + p = get_dnssec_pkt(res, labels[i-1], LDNS_RR_TYPE_DS); + pt = get_ds(p, labels[i-1], &ds_list, &ds_sig_list); + + status = ldns_verify_denial(p, labels[i-1], LDNS_RR_TYPE_DS, &nsec_rrs, &nsec_rr_sigs); + + if (verbosity >= 4) { + printf("NSEC(3) Records to verify:\n"); + ldns_rr_list_print(stdout, nsec_rrs); + printf("With signatures:\n"); + ldns_rr_list_print(stdout, nsec_rr_sigs); + printf("correct keys:\n"); + ldns_rr_list_print(stdout, correct_key_list); + } + + if (status == LDNS_STATUS_OK) { + if ((st = ldns_verify(nsec_rrs, nsec_rr_sigs, trusted_keys, NULL)) == LDNS_STATUS_OK) { + fprintf(stdout, "%s ", TRUST); + fprintf(stdout, "Existence denied: "); + ldns_rdf_print(stdout, labels[i-1]); + printf(" DS"); + fprintf(stdout, "\n"); + } else if ((st = ldns_verify(nsec_rrs, nsec_rr_sigs, correct_key_list, NULL)) == LDNS_STATUS_OK) { + fprintf(stdout, "%s ", SELF); + fprintf(stdout, "Existence denied: "); + ldns_rdf_print(stdout, labels[i-1]); + printf(" DS"); + fprintf(stdout, "\n"); + } else { + result = 4; + fprintf(stdout, "%s ", BOGUS); + printf("Error verifying denial of existence for "); + ldns_rdf_print(stdout, labels[i-1]); + printf(" DS"); + printf(": %s\n", ldns_get_errorstr_by_id(st)); + } + + + } else { + if (status == LDNS_STATUS_CRYPTO_NO_RRSIG) { + printf(";; No DS for "); + ldns_rdf_print(stdout, labels[i - 1]); + } else { + printf("[B] Unable to verify denial of existence for "); + ldns_rdf_print(stdout, labels[i - 1]); + printf(" DS: %s\n", ldns_get_errorstr_by_id(status)); + } + } + if (verbosity >= 2) { + printf(";; No ds record for delegation\n"); + } + } + } + ldns_rr_list_deep_free(ds_list); + ldns_pkt_free(p); + } else { + /* if this is the last label, just verify the data and stop */ + p = get_dnssec_pkt(res, labels[i], t); + pt = get_dnssec_rr(p, labels[i], t, &dataset, &key_sig_list); + if (dataset && ldns_rr_list_rr_count(dataset) > 0) { + if (key_sig_list && ldns_rr_list_rr_count(key_sig_list) > 0) { + + /* If this is a wildcard, you must be able to deny exact match */ + if ((st = ldns_verify(dataset, key_sig_list, trusted_keys, NULL)) == LDNS_STATUS_OK) { + fprintf(stdout, "%s ", TRUST); + ldns_rr_list_print(stdout, dataset); + } else if ((st = ldns_verify(dataset, key_sig_list, correct_key_list, NULL)) == LDNS_STATUS_OK) { + fprintf(stdout, "%s ", SELF); + ldns_rr_list_print(stdout, dataset); + } else { + result = 5; + fprintf(stdout, "%s ", BOGUS); + ldns_rr_list_print(stdout, dataset); + printf(";; Error: %s\n", ldns_get_errorstr_by_id(st)); + } + } else { + fprintf(stdout, "%s ", UNSIGNED); + ldns_rr_list_print(stdout, dataset); + } + ldns_rr_list_deep_free(dataset); + } else { + status = ldns_verify_denial(p, name, t, &nsec_rrs, &nsec_rr_sigs); + if (status == LDNS_STATUS_OK) { + /* verify the nsec3 themselves*/ + if (verbosity >= 5) { + printf("NSEC(3) Records to verify:\n"); + ldns_rr_list_print(stdout, nsec_rrs); + printf("With signatures:\n"); + ldns_rr_list_print(stdout, nsec_rr_sigs); + printf("correct keys:\n"); + ldns_rr_list_print(stdout, correct_key_list); +/* + printf("trusted keys at %p:\n", trusted_keys); + ldns_rr_list_print(stdout, trusted_keys); +*/ } + + if ((st = ldns_verify(nsec_rrs, nsec_rr_sigs, trusted_keys, NULL)) == LDNS_STATUS_OK) { + fprintf(stdout, "%s ", TRUST); + fprintf(stdout, "Existence denied: "); + ldns_rdf_print(stdout, name); + if (descriptor && descriptor->_name) { + printf(" %s", descriptor->_name); + } else { + printf(" TYPE%u", t); + } + fprintf(stdout, "\n"); + } else if ((st = ldns_verify(nsec_rrs, nsec_rr_sigs, correct_key_list, NULL)) == LDNS_STATUS_OK) { + fprintf(stdout, "%s ", SELF); + fprintf(stdout, "Existence denied: "); + ldns_rdf_print(stdout, name); + if (descriptor && descriptor->_name) { + printf(" %s", descriptor->_name); + } else { + printf(" TYPE%u", t); + } + fprintf(stdout, "\n"); + } else { + result = 6; + fprintf(stdout, "%s ", BOGUS); + printf("Error verifying denial of existence for "); + ldns_rdf_print(stdout, name); + printf(" type "); + if (descriptor && descriptor->_name) { + printf("%s", descriptor->_name); + } else { + printf("TYPE%u", t); + } + printf(": %s\n", ldns_get_errorstr_by_id(st)); + } + + ldns_rr_list_deep_free(nsec_rrs); + ldns_rr_list_deep_free(nsec_rr_sigs); + } else { +/* +*/ + if (status == LDNS_STATUS_CRYPTO_NO_RRSIG) { + printf("%s ", UNSIGNED); + printf("No data found for: "); + ldns_rdf_print(stdout, name); + printf(" type "); + if (descriptor && descriptor->_name) { + printf("%s", descriptor->_name); + } else { + printf("TYPE%u", t); + } + printf("\n"); + } else { + printf("[B] Unable to verify denial of existence for "); + ldns_rdf_print(stdout, name); + printf(" type "); + if (descriptor && descriptor->_name) { + printf("%s", descriptor->_name); + } else { + printf("TYPE%u", t); + } + printf("\n"); + } + + } + } + ldns_pkt_free(p); + } + + new_nss_aaaa = NULL; + new_nss_a = NULL; + new_nss = NULL; + ns_addr = NULL; + ldns_rr_list_deep_free(key_list); + key_list = NULL; + ldns_rr_list_deep_free(key_sig_list); + key_sig_list = NULL; + ds_list = NULL; + ldns_rr_list_deep_free(ds_sig_list); + ds_sig_list = NULL; + } + printf(";;" SELF " self sig OK; " BOGUS " bogus; " TRUST " trusted\n"); + /* verbose mode? + printf("Trusted keys:\n"); + ldns_rr_list_print(stdout, trusted_keys); + printf("trusted dss:\n"); + ldns_rr_list_print(stdout, trusted_ds_rrs); + */ + + done: + ldns_rr_list_deep_free(trusted_ds_rrs); + ldns_rr_list_deep_free(correct_key_list); + ldns_resolver_deep_free(res); + if (labels) { + for(i = 0 ; i < (ssize_t)labels_count + 2; i++) { + ldns_rdf_deep_free(labels[i]); + } + LDNS_FREE(labels); + } + return result; +} +#endif /* HAVE_SSL */ diff --git a/libs/ldns/drill/work.c b/libs/ldns/drill/work.c new file mode 100644 index 0000000000..3a9cb5855d --- /dev/null +++ b/libs/ldns/drill/work.c @@ -0,0 +1,276 @@ +/* + * work.c + * Where all the hard work is done + * (c) 2005 NLnet Labs + * + * See the file LICENSE for the license + * + */ + +#include "drill.h" +#include + +/** + * Converts a hex string to binary data + * len is the length of the string + * buf is the buffer to store the result in + * offset is the starting position in the result buffer + * + * This function returns the length of the result + */ +size_t +hexstr2bin(char *hexstr, int len, uint8_t *buf, size_t offset, size_t buf_len) +{ + char c; + int i; + uint8_t int8 = 0; + int sec = 0; + size_t bufpos = 0; + + if (len % 2 != 0) { + return 0; + } + + for (i=0; i= '0' && c <= '9') { + int8 += c & 0x0f; + } else if (c >= 'a' && c <= 'z') { + int8 += (c & 0x0f) + 9; + } else if (c >= 'A' && c <= 'Z') { + int8 += (c & 0x0f) + 9; + } else { + return 0; + } + + if (sec == 0) { + int8 = int8 << 4; + sec = 1; + } else { + if (bufpos + offset + 1 <= buf_len) { + buf[bufpos+offset] = int8; + int8 = 0; + sec = 0; + bufpos++; + } else { + error("Buffer too small in hexstr2bin"); + } + } + } + } + return bufpos; +} + +size_t +packetbuffromfile(char *filename, uint8_t *wire) +{ + FILE *fp = NULL; + int c; + + /* stat hack + * 0 = normal + * 1 = comment (skip to end of line) + * 2 = unprintable character found, read binary data directly + */ + int state = 0; + uint8_t *hexbuf = xmalloc(LDNS_MAX_PACKETLEN); + int hexbufpos = 0; + size_t wirelen; + + if (strncmp(filename, "-", 2) == 0) { + fp = stdin; + } else { + fp = fopen(filename, "r"); + } + if (fp == NULL) { + perror("Unable to open file for reading"); + xfree(hexbuf); + return 0; + } + + /*verbose("Opened %s\n", filename);*/ + + c = fgetc(fp); + while (c != EOF && hexbufpos < LDNS_MAX_PACKETLEN) { + if (state < 2 && !isascii(c)) { + /*verbose("non ascii character found in file: (%d) switching to raw mode\n", c);*/ + state = 2; + } + switch (state) { + case 0: + if ( (c >= '0' && c <= '9') || + (c >= 'a' && c <= 'f') || + (c >= 'A' && c <= 'F') ) + { + hexbuf[hexbufpos] = (uint8_t) c; + hexbufpos++; + } else if (c == ';') { + state = 1; + } else if (c == ' ' || c == '\t' || c == '\n') { + /* skip whitespace */ + } + break; + case 1: + if (c == '\n' || c == EOF) { + state = 0; + } + break; + case 2: + hexbuf[hexbufpos] = (uint8_t) c; + hexbufpos++; + break; + default: + warning("unknown state while reading %s", filename); + xfree(hexbuf); + return 0; + break; + } + c = fgetc(fp); + } + + if (c == EOF) { + /* + if (have_drill_opt && drill_opt->verbose) { + verbose("END OF FILE REACHED\n"); + if (state < 2) { + verbose("read:\n"); + verbose("%s\n", hexbuf); + } else { + verbose("Not printing wire because it contains non ascii data\n"); + } + } + */ + } + if (hexbufpos >= LDNS_MAX_PACKETLEN) { + /*verbose("packet size reached\n");*/ + } + + /* lenient mode: length must be multiple of 2 */ + if (hexbufpos % 2 != 0) { + hexbuf[hexbufpos] = (uint8_t) '0'; + hexbufpos++; + } + + if (state < 2) { + wirelen = hexstr2bin((char *) hexbuf, + hexbufpos, + wire, + 0, + LDNS_MAX_PACKETLEN); + } else { + memcpy(wire, hexbuf, (size_t) hexbufpos); + wirelen = (size_t) hexbufpos; + } + if (fp != stdin) { + fclose(fp); + } + xfree(hexbuf); + return wirelen; +} + +ldns_buffer * +read_hex_buffer(char *filename) +{ + uint8_t *wire; + size_t wiresize; + ldns_buffer *result_buffer = NULL; + + FILE *fp = NULL; + + if (strncmp(filename, "-", 2) != 0) { + fp = fopen(filename, "r"); + } else { + fp = stdin; + } + + if (fp == NULL) { + perror(""); + warning("Unable to open %s", filename); + return NULL; + } + + wire = xmalloc(LDNS_MAX_PACKETLEN); + + wiresize = packetbuffromfile(filename, wire); + + result_buffer = LDNS_MALLOC(ldns_buffer); + ldns_buffer_new_frm_data(result_buffer, wire, wiresize); + ldns_buffer_set_position(result_buffer, ldns_buffer_capacity(result_buffer)); + + xfree(wire); + return result_buffer; +} + +ldns_pkt * +read_hex_pkt(char *filename) +{ + uint8_t *wire; + size_t wiresize; + + ldns_pkt *pkt = NULL; + + ldns_status status = LDNS_STATUS_ERR; + + wire = xmalloc(LDNS_MAX_PACKETLEN); + + wiresize = packetbuffromfile(filename, wire); + + if (wiresize > 0) { + status = ldns_wire2pkt(&pkt, wire, wiresize); + } + + xfree(wire); + + if (status == LDNS_STATUS_OK) { + return pkt; + } else { + fprintf(stderr, "Error parsing hex file: %s\n", + ldns_get_errorstr_by_id(status)); + return NULL; + } +} + +void +dump_hex(const ldns_pkt *pkt, const char *filename) +{ + uint8_t *wire; + size_t size, i; + FILE *fp; + ldns_status status; + + fp = fopen(filename, "w"); + + if (fp == NULL) { + error("Unable to open %s for writing", filename); + return; + } + + status = ldns_pkt2wire(&wire, pkt, &size); + + if (status != LDNS_STATUS_OK) { + error("Unable to convert packet: error code %u", status); + return; + } + + fprintf(fp, "; 0"); + for (i = 1; i < 20; i++) { + fprintf(fp, " %2u", (unsigned int) i); + } + fprintf(fp, "\n"); + fprintf(fp, ";--"); + for (i = 1; i < 20; i++) { + fprintf(fp, " --"); + } + fprintf(fp, "\n"); + for (i = 0; i < size; i++) { + if (i % 20 == 0 && i > 0) { + fprintf(fp, "\t;\t%4u-%4u\n", (unsigned int) i-19, (unsigned int) i); + } + fprintf(fp, " %02x", (unsigned int)wire[i]); + } + fprintf(fp, "\n"); + fclose(fp); +} diff --git a/libs/ldns/error.c b/libs/ldns/error.c new file mode 100644 index 0000000000..ff240dcc82 --- /dev/null +++ b/libs/ldns/error.c @@ -0,0 +1,105 @@ +/* + * a error2str function to make sense of all the + * error codes we have laying ardoun + * + * a Net::DNS like library for C + * LibDNS Team @ NLnet Labs + * (c) NLnet Labs, 2005-2006 + * See the file LICENSE for the license + */ + +#include + +#include + +ldns_lookup_table ldns_error_str[] = { + { LDNS_STATUS_OK, "All OK" }, + { LDNS_STATUS_EMPTY_LABEL, "Empty label" }, + { LDNS_STATUS_LABEL_OVERFLOW, "Label length overflow" }, + { LDNS_STATUS_DOMAINNAME_OVERFLOW, "Domainname length overflow" }, + { LDNS_STATUS_DOMAINNAME_UNDERFLOW, "Domainname length underflow (zero length)" }, + { LDNS_STATUS_DDD_OVERFLOW, "\\DDD sequence overflow (>255)" }, + { LDNS_STATUS_PACKET_OVERFLOW, "Packet size overflow" }, + { LDNS_STATUS_INVALID_POINTER, "Invalid compression pointer" }, + { LDNS_STATUS_MEM_ERR, "General memory error" }, + { LDNS_STATUS_INTERNAL_ERR, "Internal error, this should not happen" }, + { LDNS_STATUS_SSL_ERR, "Error in SSL library" }, + { LDNS_STATUS_ERR, "General LDNS error" }, + { LDNS_STATUS_INVALID_INT, "Conversion error, integer expected" }, + { LDNS_STATUS_INVALID_IP4, "Conversion error, ip4 addr expected" }, + { LDNS_STATUS_INVALID_IP6, "Conversion error, ip6 addr expected" }, + { LDNS_STATUS_INVALID_STR, "Conversion error, string expected" }, + { LDNS_STATUS_INVALID_B64, "Conversion error, b64 encoding expected" }, + { LDNS_STATUS_INVALID_HEX, "Conversion error, hex encoding expected" }, + { LDNS_STATUS_INVALID_TIME, "Conversion error, time encoding expected" }, + { LDNS_STATUS_NETWORK_ERR, "Could not send or receive, because of network error" }, + { LDNS_STATUS_ADDRESS_ERR, "Could not start AXFR, because of address error" }, + { LDNS_STATUS_FILE_ERR, "Could not open the files" }, + { LDNS_STATUS_UNKNOWN_INET, "Uknown address family" }, + { LDNS_STATUS_NOT_IMPL, "This function is not implemented (yet), please notify the developers - or not..." }, + { LDNS_STATUS_NULL, "Supplied value pointer null" }, + { LDNS_STATUS_CRYPTO_UNKNOWN_ALGO, "Unknown cryptographic algorithm" }, + { LDNS_STATUS_CRYPTO_ALGO_NOT_IMPL, "Cryptographic algorithm not implemented" }, + { LDNS_STATUS_CRYPTO_NO_RRSIG, "No DNSSEC signature(s)" }, + { LDNS_STATUS_CRYPTO_NO_DNSKEY, "No DNSSEC public key(s)" }, + { LDNS_STATUS_CRYPTO_TYPE_COVERED_ERR, "The signature does not cover this RRset" }, + { LDNS_STATUS_CRYPTO_NO_TRUSTED_DNSKEY, "No signatures found for trusted DNSSEC public key(s)" }, + { LDNS_STATUS_CRYPTO_NO_DS, "No DS record(s)" }, + { LDNS_STATUS_CRYPTO_NO_TRUSTED_DS, "Could not validate DS record(s)" }, + { LDNS_STATUS_CRYPTO_NO_MATCHING_KEYTAG_DNSKEY, "No keys with the keytag and algorithm from the RRSIG found" }, + { LDNS_STATUS_CRYPTO_VALIDATED, "Valid DNSSEC signature" }, + { LDNS_STATUS_CRYPTO_BOGUS, "Bogus DNSSEC signature" }, + { LDNS_STATUS_CRYPTO_SIG_EXPIRED, "DNSSEC signature has expired" }, + { LDNS_STATUS_CRYPTO_SIG_NOT_INCEPTED, "DNSSEC signature not incepted yet" }, + { LDNS_STATUS_CRYPTO_TSIG_BOGUS, "Bogus TSIG signature" }, + { LDNS_STATUS_CRYPTO_TSIG_ERR, "Could not create TSIG signature" }, + { LDNS_STATUS_CRYPTO_EXPIRATION_BEFORE_INCEPTION, "DNSSEC signature has expiration date earlier than inception date" }, + { LDNS_STATUS_ENGINE_KEY_NOT_LOADED, "Unable to load private key from engine" }, + { LDNS_STATUS_NSEC3_ERR, "Error in NSEC3 denial of existence proof" }, + { LDNS_STATUS_RES_NO_NS, "No (valid) nameservers defined in the resolver" }, + { LDNS_STATUS_RES_QUERY, "No correct query given to resolver" }, + { LDNS_STATUS_WIRE_INCOMPLETE_HEADER, "header section incomplete" }, + { LDNS_STATUS_WIRE_INCOMPLETE_QUESTION, "question section incomplete" }, + { LDNS_STATUS_WIRE_INCOMPLETE_ANSWER, "answer section incomplete" }, + { LDNS_STATUS_WIRE_INCOMPLETE_AUTHORITY, "authority section incomplete" }, + { LDNS_STATUS_WIRE_INCOMPLETE_ADDITIONAL, "additional section incomplete" }, + { LDNS_STATUS_NO_DATA, "No data" }, + { LDNS_STATUS_CERT_BAD_ALGORITHM, "Bad algorithm type for CERT record" }, + { LDNS_STATUS_SYNTAX_TYPE_ERR, "Syntax error, could not parse the RR's type" }, + { LDNS_STATUS_SYNTAX_CLASS_ERR, "Syntax error, could not parse the RR's class" }, + { LDNS_STATUS_SYNTAX_TTL_ERR, "Syntax error, could not parse the RR's TTL" }, + { LDNS_STATUS_SYNTAX_INCLUDE_ERR_NOTIMPL, "Syntax error, $INCLUDE not implemented" }, + { LDNS_STATUS_SYNTAX_RDATA_ERR, "Syntax error, could not parse the RR's rdata" }, + { LDNS_STATUS_SYNTAX_DNAME_ERR, "Syntax error, could not parse the RR's dname(s)" }, + { LDNS_STATUS_SYNTAX_VERSION_ERR, "Syntax error, version mismatch" }, + { LDNS_STATUS_SYNTAX_ALG_ERR, "Syntax error, algorithm unknown or non parseable" }, + { LDNS_STATUS_SYNTAX_KEYWORD_ERR, "Syntax error, unknown keyword in input" }, + { LDNS_STATUS_SYNTAX_ERR, "Syntax error, could not parse the RR" }, + { LDNS_STATUS_SYNTAX_EMPTY, "Empty line was returned" }, + { LDNS_STATUS_SYNTAX_TTL, "$TTL directive was seen in the zone" }, + { LDNS_STATUS_SYNTAX_ORIGIN, "$ORIGIN directive was seen in the zone" }, + { LDNS_STATUS_SYNTAX_INCLUDE, "$INCLUDE directive was seen in the zone" }, + { LDNS_STATUS_SYNTAX_ITERATIONS_OVERFLOW, "Iterations count for NSEC3 record higher than maximum" }, + { LDNS_STATUS_SYNTAX_MISSING_VALUE_ERR, "Syntax error, value expected" }, + { LDNS_STATUS_SYNTAX_INTEGER_OVERFLOW, "Syntax error, integer value too large" }, + { LDNS_STATUS_SYNTAX_BAD_ESCAPE, "Syntax error, bad escape sequence" }, + { LDNS_STATUS_SOCKET_ERROR, "Error creating socket" }, + { LDNS_STATUS_DNSSEC_EXISTENCE_DENIED, "Existence denied by NSEC" }, + { LDNS_STATUS_DNSSEC_NSEC_RR_NOT_COVERED, "RR not covered by the given NSEC RRs" }, + { LDNS_STATUS_DNSSEC_NSEC_WILDCARD_NOT_COVERED, "wildcard not covered by the given NSEC RRs" }, + { LDNS_STATUS_DNSSEC_NSEC3_ORIGINAL_NOT_FOUND, "original of NSEC3 hashed name could not be found" }, + { 0, NULL } +}; + +const char * +ldns_get_errorstr_by_id(ldns_status err) +{ + ldns_lookup_table *lt; + + lt = ldns_lookup_by_id(ldns_error_str, err); + + if (lt) { + return lt->name; + } + return NULL; +} diff --git a/libs/ldns/examples/Makefile.in b/libs/ldns/examples/Makefile.in new file mode 100644 index 0000000000..659efc0c33 --- /dev/null +++ b/libs/ldns/examples/Makefile.in @@ -0,0 +1,179 @@ +# Standard installation pathnames +# See the file LICENSE for the license +SHELL = @SHELL@ +VERSION = @PACKAGE_VERSION@ +basesrcdir = $(shell basename `pwd`) +srcdir = @srcdir@ +prefix = @prefix@ +exec_prefix = @exec_prefix@ +bindir = @bindir@ +mandir = @mandir@ +libtool = @libtool@ + +CC = @CC@ +CFLAGS = -I. -I${srcdir} @CFLAGS@ +CPPFLAGS = @CPPFLAGS@ +LDFLAGS = @LDFLAGS@ +LIBNSL_LIBS = @LIBNSL_LIBS@ +LIBSSL_CPPFLAGS = @LIBSSL_CPPFLAGS@ +LIBSSL_LDFLAGS = @LIBSSL_LDFLAGS@ +LIBSSL_LIBS = @LIBSSL_LIBS@ +LIBS = @LIBS@ +RUNTIME_PATH = @RUNTIME_PATH@ +LDNSDIR = @LDNSDIR@ + +INSTALL = $(srcdir)/../install-sh + +COMPILE = $(CC) $(CPPFLAGS) $(LIBSSL_CPPFLAGS) $(CFLAGS) +LINK = $(libtool) --tag=CC --quiet --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LIBS) $(RUNTIME_PATH) +LINK_STATIC = $(libtool) --tag=CC --quiet --mode=link $(CC) $(CFLAGS) -static $(LDFLAGS) $(LIBS) $(RUNTIME_PATH) + +LINT = splint +LINTFLAGS=+quiet -weak -warnposix -unrecog -Din_addr_t=uint32_t -Du_int=unsigned -Du_char=uint8_t -preproc -Drlimit=rlimit64 -D__gnuc_va_list=va_list +#-Dglob64=glob -Dglobfree64=globfree +# compat with openssl linux edition. +LINTFLAGS+="-DBN_ULONG=unsigned long" -Dkrb5_int32=int "-Dkrb5_ui_4=unsigned int" -DPQ_64BIT=uint64_t -DRC4_INT=unsigned -fixedformalarray -D"ENGINE=unsigned" -D"RSA=unsigned" -D"DSA=unsigned" -D"EVP_PKEY=unsigned" -D"EVP_MD=unsigned" -D"SSL=unsigned" -D"SSL_CTX=unsigned" -D"X509=unsigned" -D"RC4_KEY=unsigned" -D"EVP_MD_CTX=unsigned" +# compat with NetBSD +ifeq "$(shell uname)" "NetBSD" +LINTFLAGS+="-D__RENAME(x)=" -D_NETINET_IN_H_ +endif +# compat with OpenBSD +LINTFLAGS+="-Dsigset_t=long" +# FreeBSD8 +LINTFLAGS+="-D__uint16_t=uint16_t" +LINTFLAGS+=-D__signed__=signed "-D__packed=" "-D__aligned(x)=" + +HEADER = config.h +MAIN_SOURCES = ldns-read-zone.c \ + ldns-mx.c \ + ldns-chaos.c \ + ldns-update.c \ + ldns-keygen.c \ + ldns-key2ds.c \ + ldns-version.c \ + ldns-rrsig.c \ + ldns-walk.c \ + ldns-zsplit.c \ + ldns-zcat.c \ + ldns-dpa.c \ + ldns-resolver.c \ + ldns-test-edns.c \ + ldns-keyfetcher.c \ + ldns-notify.c \ + ldns-testns.c \ + ldns-compare-zones.c \ + ldnsd.c + +MAIN_SSL_SOURCES = ldns-signzone.c \ + ldns-verify-zone.c \ + ldns-revoke.c \ + ldns-nsec3-hash.c + +OTHER_SOURCES = ldns-testpkts.c + +PROGRAMS=$(MAIN_SOURCES:.c=) +SSL_PROGRAMS=$(MAIN_SSL_SOURCES:.c=) + +.PHONY: all clean realclean all-static +.SECONDARY: $(MAIN_SOURCES:.c=.o) $(OTHER_SOURCES:.c=.o) $(MAIN_SSL_SOURCES:.c=.o) + +all: $(addsuffix .prg,$(PROGRAMS)) $(addsuffix .prg-ssl,$(SSL_PROGRAMS)) + +all-static: $(addsuffix .stc,$(PROGRAMS)) $(addsuffix .stc-ssl,$(SSL_PROGRAMS)) + +%.o: $(srcdir)/%.c + $(COMPILE) -o $@ -c $< + +# ldns-testns uses more sources. +ldns-testns.o: $(srcdir)/ldns-testns.c $(srcdir)/ldns-testpkts.c $(srcdir)/ldns-testpkts.h +ldns-testns.prg: ldns-testpkts.o +ldns-testns.stc: ldns-testpkts.o + +ldnsd.prg: ldnsd.o + @if test ! -f $(@:.prg=) -o $< -nt $(@:.prg=); then \ + echo $(LINK) $(LIBNSL_LIBS) -o $(@:.prg=) $^ ; \ + $(LINK) $(LIBNSL_LIBS) -o $(@:.prg=) $^ ; \ + fi + +ldnsd.stc: ldnsd.o + @if test ! -f $@ -o $< -nt $@; then \ + echo $(LINK_STATIC) $(LIBNSL_LDFLAGS) -o $@ $^ ; \ + $(LINK_STATIC) $(LIBNSL_LDFLAGS) -o $@ $^ ; \ + fi + +%.prg-ssl: %.o + @if test ! -f $(@:.prg-ssl=) -o $< -nt $(@:.prg-ssl=); then \ + echo $(LINK) $(LIBNSL_LIBS) $(LIBSSL_LDFLAGS) $(LIBSSL_LIBS) -o $(@:.prg-ssl=) $^ ; \ + $(LINK) $(LIBNSL_LIBS) $(LIBSSL_LDFLAGS) $(LIBSSL_LIBS) -o $(@:.prg-ssl=) $^ ; \ + fi + +%.stc-ssl: %.o + @if test ! -f $@ -o $< -nt $@; then \ + echo $(LINK_STATIC) $(LIBNSL_LIBS) $(LIBSSL_LDFLAGS) $(LIBSSL_LIBS) -o $@ $^ ; \ + $(LINK_STATIC) $(LIBNSL_LIBS) $(LIBSSL_LDFLAGS) $(LIBSSL_LIBS) -o $@ $^ ; \ + fi + +%.prg: %.o + @if test ! -f $(@:.prg=) -o $< -nt $(@:.prg=); then \ + echo $(LINK) -o $(@:.prg=) $^ ; \ + $(LINK) -o $(@:.prg=) $^ ; \ + fi + +%.stc: %.o + @if test ! -f $@ -o $< -nt $@; then \ + echo $(LINK_STATIC) -o $@ $^ ; \ + $(LINK_STATIC) -o $@ $^ ; \ + fi + +lint: + for i in $(MAIN_SOURCES) $(OTHER_SOURCES); do \ + $(LINT) $(LINTFLAGS) -I. -I$(srcdir) $(srcdir)/$$i $(CPPFLAGS); \ + if [ $$? -ne 0 ] ; then exit 1 ; fi ; \ + done + +clean: + rm -f *.o *.lo + rm -rf .libs + rm -f $(PROGRAMS) $(SSL_PROGRAMS) + rm -f $(addsuffix .stc,$(PROGRAMS)) $(addsuffix .stc-ssl,$(SSL_PROGRAMS)) + +realclean: clean + rm -rf autom4te.cache/ + rm -f config.log config.status aclocal.m4 config.h.in configure Makefile + rm -f config.h + +confclean: clean + rm -rf config.log config.status config.h Makefile + +install: $(PROGRAMS) $(SSL_PROGRAMS) + $(INSTALL) -d -m 755 $(DESTDIR)$(bindir) + $(INSTALL) -d -m 755 $(DESTDIR)$(mandir) + $(INSTALL) -d -m 755 $(DESTDIR)$(mandir)/man1 + for i in $(PROGRAMS) $(SSL_PROGRAMS); do \ + $(libtool) --tag=CC --mode=install ${INSTALL} -c $$i $(DESTDIR)$(bindir) ; \ + $(INSTALL) -c -m 644 $(srcdir)/$$i.1 $(DESTDIR)$(mandir)/man1/$$i.1 ; \ + done + exit 0 + +install-static: all-static + $(INSTALL) -d -m 755 $(DESTDIR)$(bindir) + $(INSTALL) -d -m 755 $(DESTDIR)$(mandir) + $(INSTALL) -d -m 755 $(DESTDIR)$(mandir)/man1 + for i in $(PROGRAMS); do \ + $(libtool) --tag=CC --mode=install ${INSTALL} -c $$i.stc $(DESTDIR)$(bindir) ; \ + $(INSTALL) -c -m 644 $(srcdir)/$$i.1 $(DESTDIR)$(mandir)/man1/$$i.1 ; \ + done + for i in $(SSL_PROGRAMS); do \ + $(libtool) --tag=CC --mode=install ${INSTALL} -c $$i.stc-ssl $(DESTDIR)$(bindir) ; \ + $(INSTALL) -c -m 644 $(srcdir)/$$i.1 $(DESTDIR)$(mandir)/man1/$$i.1 ; \ + done + exit 0 + +uninstall: + for i in $(PROGRAMS) $(SSL_PROGRAMS); do \ + rm -f $(DESTDIR)$(bindir)/$$i ; \ + rm -f $(DESTDIR)$(mandir)/man1/$$i.1 ; \ + done + exit 0 + rmdir -p $(DESTDIR)$(bindir) + rmdir -p $(DESTDIR)$(mandir) diff --git a/libs/ldns/examples/README b/libs/ldns/examples/README new file mode 100644 index 0000000000..f84fe9d8cf --- /dev/null +++ b/libs/ldns/examples/README @@ -0,0 +1,5 @@ +These tools are examples of ldns usage. They are not meant for production +systems and will not be supported as such. + +Compilation: +autoreconf && ./configure && make diff --git a/libs/ldns/examples/config.h.in b/libs/ldns/examples/config.h.in new file mode 100644 index 0000000000..dad78b17a2 --- /dev/null +++ b/libs/ldns/examples/config.h.in @@ -0,0 +1,363 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if you have the header file. */ +#undef HAVE_ARPA_INET_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_ASSERT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_CTYPE_H + +/* Define to 1 if you have the declaration of `in6addr_any', and to 0 if you + don't. */ +#undef HAVE_DECL_IN6ADDR_ANY + +/* Define to 1 if you have the `fork' function. */ +#undef HAVE_FORK + +/* Whether getaddrinfo is available */ +#undef HAVE_GETADDRINFO + +/* Define to 1 if you have the header file. */ +#undef HAVE_GETOPT_H + +/* If you have HMAC_CTX_init */ +#undef HAVE_HMAC_CTX_INIT + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the `isblank' function. */ +#undef HAVE_ISBLANK + +/* Define to 1 if you have the `ldns' library (-lldns). */ +#undef HAVE_LIBLDNS + +/* Define to 1 if you have the `pcap' library (-lpcap). */ +#undef HAVE_LIBPCAP + +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETDB_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_IF_ETHER_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_IGMP_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_IN_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_IN_SYSTM_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_IP6_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_IP_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_UDP_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NET_IF_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_OPENSSL_ERR_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_OPENSSL_RAND_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_OPENSSL_SSL_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_PCAP_H + +/* Define to 1 if you have the `random' function. */ +#undef HAVE_RANDOM + +/* Define to 1 if you have the `sleep' function. */ +#undef HAVE_SLEEP + +/* Define to 1 if you have the `srandom' function. */ +#undef HAVE_SRANDOM + +/* Define if you have the SSL libraries installed. */ +#undef HAVE_SSL + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDIO_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_MOUNT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_PARAM_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_SELECT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_SOCKET_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TIME_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_TIME_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* Define to 1 if you have the `vfork' function. */ +#undef HAVE_VFORK + +/* Define to 1 if you have the header file. */ +#undef HAVE_VFORK_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_WINSOCK2_H + +/* Define to 1 if `fork' works. */ +#undef HAVE_WORKING_FORK + +/* Define to 1 if `vfork' works. */ +#undef HAVE_WORKING_VFORK + +/* Define to 1 if you have the header file. */ +#undef HAVE_WS2TCPIP_H + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Define this to enable ECDSA support. */ +#undef USE_ECDSA + +/* Define this to enable GOST support. */ +#undef USE_GOST + +/* Define this to enable SHA256 and SHA512 support. */ +#undef USE_SHA2 + +/* Enable extensions on AIX 3, Interix. */ +#ifndef _ALL_SOURCE +# undef _ALL_SOURCE +#endif +/* Enable GNU extensions on systems that have them. */ +#ifndef _GNU_SOURCE +# undef _GNU_SOURCE +#endif +/* Enable threading extensions on Solaris. */ +#ifndef _POSIX_PTHREAD_SEMANTICS +# undef _POSIX_PTHREAD_SEMANTICS +#endif +/* Enable extensions on HP NonStop. */ +#ifndef _TANDEM_SOURCE +# undef _TANDEM_SOURCE +#endif +/* Enable general extensions on Solaris. */ +#ifndef __EXTENSIONS__ +# undef __EXTENSIONS__ +#endif + + +/* the version of the windows API enabled */ +#undef WINVER + +/* Define to 1 if on MINIX. */ +#undef _MINIX + +/* Define to 2 if the system does not provide POSIX.1 features except with + this defined. */ +#undef _POSIX_1_SOURCE + +/* Define to 1 if you need to in order for `stat' and other things to work. */ +#undef _POSIX_SOURCE + +/* in_addr_t */ +#undef in_addr_t + +/* in_port_t */ +#undef in_port_t + +/* Define to `__inline__' or `__inline' if that's what the C compiler + calls it, or to nothing if 'inline' is not supported under any name. */ +#ifndef __cplusplus +#undef inline +#endif + +/* Define to `short' if does not define. */ +#undef int16_t + +/* Define to `int' if does not define. */ +#undef int32_t + +/* Define to `long long' if does not define. */ +#undef int64_t + +/* Define to `char' if does not define. */ +#undef int8_t + +/* Define to `int' if does not define. */ +#undef pid_t + +/* Define to `unsigned int' if does not define. */ +#undef size_t + +/* Define to 'int' if not defined */ +#undef socklen_t + +/* Define to `int' if does not define. */ +#undef ssize_t + +/* Define to `unsigned short' if does not define. */ +#undef uint16_t + +/* Define to `unsigned int' if does not define. */ +#undef uint32_t + +/* Define to `unsigned long long' if does not define. */ +#undef uint64_t + +/* Define to `unsigned char' if does not define. */ +#undef uint8_t + +/* Define as `fork' if `vfork' does not work. */ +#undef vfork + + + +#include +#include +#include +#include + +#if STDC_HEADERS +#include +#include +#endif + +#ifdef HAVE_STDINT_H +#include +#endif + +#ifdef HAVE_SYS_SOCKET_H +#include +#endif + +#ifdef HAVE_NETINET_IN_H +#include +#endif + +#ifdef HAVE_ARPA_INET_H +#include +#endif + +#ifdef HAVE_NETINET_UDP_H +#include +#endif + +#ifdef HAVE_TIME_H +#include +#endif + +#ifdef HAVE_PCAP_H +#include +#endif + +#ifdef HAVE_NETINET_IN_SYSTM_H +#include +#endif + +#ifdef HAVE_NETINET_IP_H +#include +#endif + +#ifdef HAVE_NET_IF_H +#include +#endif + +#ifdef HAVE_NETINET_IF_ETHER_H +#include +#endif + +#ifdef HAVE_WINSOCK2_H +#define USE_WINSOCK 1 +#include +#endif + +#ifdef HAVE_WS2TCPIP_H +#include +#endif + +#ifndef HAVE_GETADDRINFO +#include +#endif + +#ifndef HAVE_RANDOM +/* random can be replaced by rand for ldnsexamples */ +#define random rand +#endif + +#ifndef HAVE_SRANDOM +/* srandom can be replaced by srand for ldnsexamples */ +#define srandom srand +#endif + +extern char *optarg; +extern int optind, opterr; + +#ifndef EXIT_FAILURE +#define EXIT_FAILURE 1 +#endif +#ifndef EXIT_SUCCESS +#define EXIT_SUCCESS 0 +#endif + +#ifdef S_SPLINT_S +#define FD_ZERO(a) /* a */ +#define FD_SET(a,b) /* a, b */ +#endif + diff --git a/libs/ldns/examples/configure b/libs/ldns/examples/configure new file mode 100644 index 0000000000..424aa3c78a --- /dev/null +++ b/libs/ldns/examples/configure @@ -0,0 +1,7150 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.68 for ldns 1.6.9. +# +# Report bugs to . +# +# +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, +# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software +# Foundation, Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. 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We remove comments because anyway the quotes in there +# would cause problems or look ugly. +# WARNING: Use '\'' to represent an apostrophe within the trap. +# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug. +trap 'exit_status=$? + # Save into config.log some information that might help in debugging. + { + echo + + $as_echo "## ---------------- ## +## Cache variables. ## +## ---------------- ##" + echo + # The following way of writing the cache mishandles newlines in values, +( + for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + (set) 2>&1 | + case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + sed -n \ + "s/'\''/'\''\\\\'\'''\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p" + ;; #( + *) + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) + echo + + $as_echo "## ----------------- ## +## Output variables. ## +## ----------------- ##" + echo + for ac_var in $ac_subst_vars + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + $as_echo "$ac_var='\''$ac_val'\''" + done | sort + echo + + if test -n "$ac_subst_files"; then + $as_echo "## ------------------- ## +## File substitutions. ## +## ------------------- ##" + echo + for ac_var in $ac_subst_files + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + $as_echo "$ac_var='\''$ac_val'\''" + done | sort + echo + fi + + if test -s confdefs.h; then + $as_echo "## ----------- ## +## confdefs.h. ## +## ----------- ##" + echo + cat confdefs.h + echo + fi + test "$ac_signal" != 0 && + $as_echo "$as_me: caught signal $ac_signal" + $as_echo "$as_me: exit $exit_status" + } >&5 + rm -f core *.core core.conftest.* && + rm -f -r conftest* confdefs* conf$$* $ac_clean_files && + exit $exit_status +' 0 +for ac_signal in 1 2 13 15; do + trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal +done +ac_signal=0 + +# confdefs.h avoids OS command line length limits that DEFS can exceed. +rm -f -r conftest* confdefs.h + +$as_echo "/* confdefs.h */" > confdefs.h + +# Predefined preprocessor variables. + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_NAME "$PACKAGE_NAME" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_TARNAME "$PACKAGE_TARNAME" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_VERSION "$PACKAGE_VERSION" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_STRING "$PACKAGE_STRING" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_URL "$PACKAGE_URL" +_ACEOF + + +# Let the site file select an alternate cache file if it wants to. +# Prefer an explicitly selected file to automatically selected ones. +ac_site_file1=NONE +ac_site_file2=NONE +if test -n "$CONFIG_SITE"; then + # We do not want a PATH search for config.site. + case $CONFIG_SITE in #(( + -*) ac_site_file1=./$CONFIG_SITE;; + */*) ac_site_file1=$CONFIG_SITE;; + *) ac_site_file1=./$CONFIG_SITE;; + esac +elif test "x$prefix" != xNONE; then + ac_site_file1=$prefix/share/config.site + ac_site_file2=$prefix/etc/config.site +else + ac_site_file1=$ac_default_prefix/share/config.site + ac_site_file2=$ac_default_prefix/etc/config.site +fi +for ac_site_file in "$ac_site_file1" "$ac_site_file2" +do + test "x$ac_site_file" = xNONE && continue + if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5 +$as_echo "$as_me: loading site script $ac_site_file" >&6;} + sed 's/^/| /' "$ac_site_file" >&5 + . "$ac_site_file" \ + || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "failed to load site script $ac_site_file +See \`config.log' for more details" "$LINENO" 5; } + fi +done + +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special files + # actually), so we avoid doing that. DJGPP emulates it as a regular file. + if test /dev/null != "$cache_file" && test -f "$cache_file"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5 +$as_echo "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . "$cache_file";; + *) . "./$cache_file";; + esac + fi +else + { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 +$as_echo "$as_me: creating cache $cache_file" >&6;} + >$cache_file +fi + +# Check that the precious variables saved in the cache have kept the same +# value. +ac_cache_corrupted=false +for ac_var in $ac_precious_vars; do + eval ac_old_set=\$ac_cv_env_${ac_var}_set + eval ac_new_set=\$ac_env_${ac_var}_set + eval ac_old_val=\$ac_cv_env_${ac_var}_value + eval ac_new_val=\$ac_env_${ac_var}_value + case $ac_old_set,$ac_new_set in + set,) + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 +$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,set) + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 +$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,);; + *) + if test "x$ac_old_val" != "x$ac_new_val"; then + # differences in whitespace do not lead to failure. + ac_old_val_w=`echo x $ac_old_val` + ac_new_val_w=`echo x $ac_new_val` + if test "$ac_old_val_w" != "$ac_new_val_w"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 +$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} + ac_cache_corrupted=: + else + { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 +$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} + eval $ac_var=\$ac_old_val + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 +$as_echo "$as_me: former value: \`$ac_old_val'" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 +$as_echo "$as_me: current value: \`$ac_new_val'" >&2;} + fi;; + esac + # Pass precious variables to config.status. + if test "$ac_new_set" = set; then + case $ac_new_val in + *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; + *) ac_arg=$ac_var=$ac_new_val ;; + esac + case " $ac_configure_args " in + *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. + *) as_fn_append ac_configure_args " '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 +$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;} + as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5 +fi +## -------------------- ## +## Main body of script. ## +## -------------------- ## + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + +# acx_nlnetlabs.m4 - common macros for configure checks +# Copyright 2009, Wouter Wijngaards, NLnet Labs. +# BSD licensed. +# +# Version 11 +# 2010-08-16 Fix FLAG_OMITTED for AS_TR_CPP changes in autoconf-2.66. +# 2010-07-02 Add check for ss_family (for minix). +# 2010-04-26 Fix to use CPPFLAGS for CHECK_COMPILER_FLAGS. +# 2010-03-01 Fix RPATH using CONFIG_COMMANDS to run at the very end. +# 2010-02-18 WITH_SSL outputs the LIBSSL_LDFLAGS, LIBS, CPPFLAGS seperate, -ldl +# 2010-02-01 added ACX_CHECK_MEMCMP_SIGNED, AHX_MEMCMP_BROKEN +# 2010-01-20 added AHX_COONFIG_STRLCAT +# 2009-07-14 U_CHAR detection improved for windows crosscompile. +# added ACX_FUNC_MALLOC +# fixup some #if to #ifdef +# NONBLOCKING test for mingw crosscompile. +# 2009-07-13 added ACX_WITH_SSL_OPTIONAL +# 2009-07-03 fixup LDFLAGS for empty ssl dir. +# +# Automates some of the checking constructs. Aims at portability for POSIX. +# Documentation for functions is below. +# +# the following macro's are provided in this file: +# (see below for details on each macro). +# +# ACX_ESCAPE_BACKSLASH - escape backslashes in var for C-preproc. +# ACX_RSRC_VERSION - create windows resource version number. +# ACX_CHECK_COMPILER_FLAG - see if cc supports a flag. +# ACX_CHECK_ERROR_FLAGS - see which flag is -werror (used below). +# ACX_CHECK_COMPILER_FLAG_NEEDED - see if flags make the code compile cleanly. +# ACX_DEPFLAG - find cc dependency flags. +# ACX_DETERMINE_EXT_FLAGS_UNBOUND - find out which flags enable BSD and POSIX. +# ACX_CHECK_FORMAT_ATTRIBUTE - find cc printf format syntax. +# ACX_CHECK_UNUSED_ATTRIBUTE - find cc variable unused syntax. +# ACX_LIBTOOL_C_ONLY - create libtool for C only, improved. +# ACX_TYPE_U_CHAR - u_char type. +# ACX_TYPE_RLIM_T - rlim_t type. +# ACX_TYPE_SOCKLEN_T - socklen_t type. +# ACX_TYPE_IN_ADDR_T - in_addr_t type. +# ACX_TYPE_IN_PORT_T - in_port_t type. +# ACX_ARG_RPATH - add --disable-rpath option. +# ACX_WITH_SSL - add --with-ssl option, link -lcrypto. +# ACX_WITH_SSL_OPTIONAL - add --with-ssl option, link -lcrypto, +# where --without-ssl is also accepted +# ACX_LIB_SSL - setup to link -lssl. +# ACX_SYS_LARGEFILE - improved sys_largefile, fseeko, >2G files. +# ACX_CHECK_GETADDRINFO_WITH_INCLUDES - find getaddrinfo, portably. +# ACX_FUNC_DEPRECATED - see if func is deprecated. +# ACX_CHECK_NONBLOCKING_BROKEN - see if nonblocking sockets really work. +# ACX_MKDIR_ONE_ARG - determine mkdir(2) number of arguments. +# ACX_FUNC_IOCTLSOCKET - find ioctlsocket, portably. +# ACX_FUNC_MALLOC - check malloc, define replacement . +# AHX_CONFIG_FORMAT_ATTRIBUTE - config.h text for format. +# AHX_CONFIG_UNUSED_ATTRIBUTE - config.h text for unused. +# AHX_CONFIG_FSEEKO - define fseeko, ftello fallback. +# AHX_CONFIG_RAND_MAX - define RAND_MAX if needed. +# AHX_CONFIG_MAXHOSTNAMELEN - define MAXHOSTNAMELEN if needed. +# AHX_CONFIG_IPV6_MIN_MTU - define IPV6_MIN_MTU if needed. +# AHX_CONFIG_SNPRINTF - snprintf compat prototype +# AHX_CONFIG_INET_PTON - inet_pton compat prototype +# AHX_CONFIG_INET_NTOP - inet_ntop compat prototype +# AHX_CONFIG_INET_ATON - inet_aton compat prototype +# AHX_CONFIG_MEMMOVE - memmove compat prototype +# AHX_CONFIG_STRLCAT - strlcat compat prototype +# AHX_CONFIG_STRLCPY - strlcpy compat prototype +# AHX_CONFIG_GMTIME_R - gmtime_r compat prototype +# AHX_CONFIG_W32_SLEEP - w32 compat for sleep +# AHX_CONFIG_W32_USLEEP - w32 compat for usleep +# AHX_CONFIG_W32_RANDOM - w32 compat for random +# AHX_CONFIG_W32_SRANDOM - w32 compat for srandom +# AHX_CONFIG_W32_FD_SET_T - w32 detection of FD_SET_T. +# ACX_CFLAGS_STRIP - strip one flag from CFLAGS +# ACX_STRIP_EXT_FLAGS - strip extension flags from CFLAGS +# AHX_CONFIG_FLAG_OMITTED - define omitted flag +# AHX_CONFIG_FLAG_EXT - define omitted extension flag +# AHX_CONFIG_EXT_FLAGS - define the stripped extension flags +# ACX_CHECK_MEMCMP_SIGNED - check if memcmp uses signed characters. +# AHX_MEMCMP_BROKEN - replace memcmp func for CHECK_MEMCMP_SIGNED. +# ACX_CHECK_SS_FAMILY - check for sockaddr_storage.ss_family +# + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +OURCPPFLAGS='' +CPPFLAGS=${CPPFLAGS:-${OURCPPFLAGS}} +OURCFLAGS='-g' +CFLAGS=${CFLAGS:-${OURCFLAGS}} + +$as_echo "#define WINVER 0x0502" >>confdefs.h + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +$as_echo_n "checking whether the C compiler works... " >&6; } +ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` + +# The possible output files: +ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*" + +ac_rmfiles= +for ac_file in $ac_files +do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + * ) ac_rmfiles="$ac_rmfiles $ac_file";; + esac +done +rm -f $ac_rmfiles + +if { { ac_try="$ac_link_default" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link_default") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + # Autoconf-2.13 could set the ac_cv_exeext variable to `no'. +# So ignore a value of `no', otherwise this would lead to `EXEEXT = no' +# in a Makefile. We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else + ac_file='' +fi +if test -z "$ac_file"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +$as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "C compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +$as_echo_n "checking for C compiler default output file name... " >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5 +$as_echo "$ac_file" >&6; } +ac_exeext=$ac_cv_exeext + +rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5 +$as_echo_n "checking for suffix of executables... " >&6; } +if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + # If both `conftest.exe' and `conftest' are `present' (well, observable) +# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest conftest$ac_cv_exeext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 +$as_echo "$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +ac_clean_files="$ac_clean_files conftest.out" +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 +$as_echo_n "checking whether we are cross compiling... " >&6; } +if test "$cross_compiling" != yes; then + { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if { ac_try='./conftest$ac_cv_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details" "$LINENO" 5; } + fi + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 +$as_echo "$cross_compiling" >&6; } + +rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 +$as_echo_n "checking for suffix of object files... " >&6; } +if ${ac_cv_objext+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of object files: cannot compile +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5 +$as_echo "$ac_cv_objext" >&6; } +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if ${ac_cv_prog_cc_g+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if ${ac_cv_prog_cc_c89+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 +$as_echo_n "checking for grep that handles long lines and -e... " >&6; } +if ${ac_cv_path_GREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$GREP"; then + ac_path_GREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue +# Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_GREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_GREP"; then + as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + + + ac_fn_c_check_header_mongrel "$LINENO" "minix/config.h" "ac_cv_header_minix_config_h" "$ac_includes_default" +if test "x$ac_cv_header_minix_config_h" = xyes; then : + MINIX=yes +else + MINIX= +fi + + + if test "$MINIX" = yes; then + +$as_echo "#define _POSIX_SOURCE 1" >>confdefs.h + + +$as_echo "#define _POSIX_1_SOURCE 2" >>confdefs.h + + +$as_echo "#define _MINIX 1" >>confdefs.h + + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether it is safe to define __EXTENSIONS__" >&5 +$as_echo_n "checking whether it is safe to define __EXTENSIONS__... " >&6; } +if ${ac_cv_safe_to_define___extensions__+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +# define __EXTENSIONS__ 1 + $ac_includes_default +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_safe_to_define___extensions__=yes +else + ac_cv_safe_to_define___extensions__=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_safe_to_define___extensions__" >&5 +$as_echo "$ac_cv_safe_to_define___extensions__" >&6; } + test $ac_cv_safe_to_define___extensions__ = yes && + $as_echo "#define __EXTENSIONS__ 1" >>confdefs.h + + $as_echo "#define _ALL_SOURCE 1" >>confdefs.h + + $as_echo "#define _GNU_SOURCE 1" >>confdefs.h + + $as_echo "#define _POSIX_PTHREAD_SEMANTICS 1" >>confdefs.h + + $as_echo "#define _TANDEM_SOURCE 1" >>confdefs.h + + + +# Checks for programs. +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if ${ac_cv_prog_cc_g+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if ${ac_cv_prog_cc_c89+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; } +set x ${MAKE-make} +ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'` +if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat >conftest.make <<\_ACEOF +SHELL = /bin/sh +all: + @echo '@@@%%%=$(MAKE)=@@@%%%' +_ACEOF +# GNU make sometimes prints "make[1]: Entering ...", which would confuse us. +case `${MAKE-make} -f conftest.make 2>/dev/null` in + *@@@%%%=?*=@@@%%%*) + eval ac_cv_prog_make_${ac_make}_set=yes;; + *) + eval ac_cv_prog_make_${ac_make}_set=no;; +esac +rm -f conftest.make +fi +if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + SET_MAKE= +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + SET_MAKE="MAKE=${MAKE-make}" +fi + +for ac_prog in glibtool libtool15 libtool +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_libtool+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$libtool"; then + ac_cv_prog_libtool="$libtool" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_libtool="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +libtool=$ac_cv_prog_libtool +if test -n "$libtool"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libtool" >&5 +$as_echo "$libtool" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$libtool" && break +done +test -n "$libtool" || libtool="../libtool" + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -std=c99" >&5 +$as_echo_n "checking whether $CC supports -std=c99... " >&6; } +cache=`echo std=c99 | sed 'y%.=/+-%___p_%'` +if eval \${cv_prog_cc_flag_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo 'void f(){}' >conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS -std=c99 -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_$cache=yes" +else +eval "cv_prog_cc_flag_$cache=no" +fi +rm -f conftest conftest.o conftest.c + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +C99FLAG="-std=c99" +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +: + +fi + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -xc99" >&5 +$as_echo_n "checking whether $CC supports -xc99... " >&6; } +cache=`echo xc99 | sed 'y%.=/+-%___p_%'` +if eval \${cv_prog_cc_flag_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo 'void f(){}' >conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS -xc99 -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_$cache=yes" +else +eval "cv_prog_cc_flag_$cache=no" +fi +rm -f conftest conftest.o conftest.c + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +C99FLAG="-xc99" +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +: + +fi + + +# Check whether --enable-rpath was given. +if test "${enable_rpath+set}" = set; then : + enableval=$enable_rpath; enable_rpath=$enableval +else + enable_rpath=yes +fi + + +if test "x$enable_rpath" = xyes; then + RPATH_VAL="-Wl,-rpath=\${libdir}" +fi + + +ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default" +if test "x$ac_cv_type_size_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define size_t unsigned int +_ACEOF + +fi + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -O2" >&5 +$as_echo_n "checking whether $CC supports -O2... " >&6; } +cache=`echo O2 | sed 'y%.=/+-%___p_%'` +if eval \${cv_prog_cc_flag_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo 'void f(){}' >conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS -O2 -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_$cache=yes" +else +eval "cv_prog_cc_flag_$cache=no" +fi +rm -f conftest conftest.o conftest.c + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +CFLAGS="$CFLAGS -O2" +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +: + +fi + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Werror" >&5 +$as_echo_n "checking whether $CC supports -Werror... " >&6; } +cache=`echo Werror | sed 'y%.=/+-%___p_%'` +if eval \${cv_prog_cc_flag_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo 'void f(){}' >conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS -Werror -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_$cache=yes" +else +eval "cv_prog_cc_flag_$cache=no" +fi +rm -f conftest conftest.o conftest.c + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +ERRFLAG="-Werror" +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +: +ERRFLAG="-errwarn" +fi + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wall" >&5 +$as_echo_n "checking whether $CC supports -Wall... " >&6; } +cache=`echo Wall | sed 'y%.=/+-%___p_%'` +if eval \${cv_prog_cc_flag_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo 'void f(){}' >conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS -Wall -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_$cache=yes" +else +eval "cv_prog_cc_flag_$cache=no" +fi +rm -f conftest conftest.o conftest.c + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +ERRFLAG="$ERRFLAG -Wall" +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +: +ERRFLAG="$ERRFLAG -errfmt" +fi + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we need $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 as a flag for $CC" >&5 +$as_echo_n "checking whether we need $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 as a flag for $CC... " >&6; } +cache=`$as_echo "$C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600" | $as_tr_sh` +if eval \${cv_prog_cc_flag_needed_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo ' +#include "confdefs.h" +#include +#include +#include +#ifdef HAVE_TIME_H +#include +#endif +#include +#ifdef HAVE_GETOPT_H +#include +#endif + +int test() { + int a; + char **opts = NULL; + struct timeval tv; + char *t; + time_t time = 0; + char *buf = NULL; + t = ctime_r(&time, buf); + tv.tv_usec = 10; + srandom(32); + a = getopt(2, opts, "a"); + a = isascii(32); + return a; +} +' > conftest.c +echo 'void f(){}' >>conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS $ERRFLAG -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_needed_$cache=no" +else + +if test -z "`$CC $CPPFLAGS $CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 $ERRFLAG -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_needed_$cache=yes" +else +eval "cv_prog_cc_flag_needed_$cache=fail" +#echo 'Test with flag fails too!' +#cat conftest.c +#echo "$CC $CPPFLAGS $CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 $ERRFLAG -c conftest.c 2>&1" +#echo `$CC $CPPFLAGS $CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 $ERRFLAG -c conftest.c 2>&1` +#exit 1 +fi + +fi +rm -f conftest conftest.c conftest.o + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_needed_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +CFLAGS="$CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600" +else +if eval "test \"`echo '$cv_prog_cc_flag_needed_'$cache`\" = no"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +#echo 'Test with flag is no!' +#cat conftest.c +#echo "$CC $CPPFLAGS $CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 $ERRFLAG -c conftest.c 2>&1" +#echo `$CC $CPPFLAGS $CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 $ERRFLAG -c conftest.c 2>&1` +#exit 1 +: + +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 +$as_echo "failed" >&6; } +: + +fi +fi + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we need $C99FLAG as a flag for $CC" >&5 +$as_echo_n "checking whether we need $C99FLAG as a flag for $CC... " >&6; } +cache=`$as_echo "$C99FLAG" | $as_tr_sh` +if eval \${cv_prog_cc_flag_needed_$cache+:} false; then : + $as_echo_n "(cached) " >&6 +else + +echo '#include ' > conftest.c +echo 'void f(){}' >>conftest.c +if test -z "`$CC $CPPFLAGS $CFLAGS $ERRFLAG -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_needed_$cache=no" +else + +if test -z "`$CC $CPPFLAGS $CFLAGS $C99FLAG $ERRFLAG -c conftest.c 2>&1`"; then +eval "cv_prog_cc_flag_needed_$cache=yes" +else +eval "cv_prog_cc_flag_needed_$cache=fail" +#echo 'Test with flag fails too!' +#cat conftest.c +#echo "$CC $CPPFLAGS $CFLAGS $C99FLAG $ERRFLAG -c conftest.c 2>&1" +#echo `$CC $CPPFLAGS $CFLAGS $C99FLAG $ERRFLAG -c conftest.c 2>&1` +#exit 1 +fi + +fi +rm -f conftest conftest.c conftest.o + +fi + +if eval "test \"`echo '$cv_prog_cc_flag_needed_'$cache`\" = yes"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +: +CFLAGS="$CFLAGS $C99FLAG" +else +if eval "test \"`echo '$cv_prog_cc_flag_needed_'$cache`\" = no"; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +#echo 'Test with flag is no!' +#cat conftest.c +#echo "$CC $CPPFLAGS $CFLAGS $C99FLAG $ERRFLAG -c conftest.c 2>&1" +#echo `$CC $CPPFLAGS $CFLAGS $C99FLAG $ERRFLAG -c conftest.c 2>&1` +#exit 1 +: + +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 +$as_echo "failed" >&6; } +: + +fi +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5 +$as_echo_n "checking for inline... " >&6; } +if ${ac_cv_c_inline+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_c_inline=no +for ac_kw in inline __inline__ __inline; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifndef __cplusplus +typedef int foo_t; +static $ac_kw foo_t static_foo () {return 0; } +$ac_kw foo_t foo () {return 0; } +#endif + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_inline=$ac_kw +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + test "$ac_cv_c_inline" != no && break +done + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5 +$as_echo "$ac_cv_c_inline" >&6; } + +case $ac_cv_c_inline in + inline | yes) ;; + *) + case $ac_cv_c_inline in + no) ac_val=;; + *) ac_val=$ac_cv_c_inline;; + esac + cat >>confdefs.h <<_ACEOF +#ifndef __cplusplus +#define inline $ac_val +#endif +_ACEOF + ;; +esac + +ac_fn_c_check_type "$LINENO" "int8_t" "ac_cv_type_int8_t" "$ac_includes_default" +if test "x$ac_cv_type_int8_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define int8_t char +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "int16_t" "ac_cv_type_int16_t" "$ac_includes_default" +if test "x$ac_cv_type_int16_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define int16_t short +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "int32_t" "ac_cv_type_int32_t" "$ac_includes_default" +if test "x$ac_cv_type_int32_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define int32_t int +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "int64_t" "ac_cv_type_int64_t" "$ac_includes_default" +if test "x$ac_cv_type_int64_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define int64_t long long +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "uint8_t" "ac_cv_type_uint8_t" "$ac_includes_default" +if test "x$ac_cv_type_uint8_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define uint8_t unsigned char +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "uint16_t" "ac_cv_type_uint16_t" "$ac_includes_default" +if test "x$ac_cv_type_uint16_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define uint16_t unsigned short +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "uint32_t" "ac_cv_type_uint32_t" "$ac_includes_default" +if test "x$ac_cv_type_uint32_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define uint32_t unsigned int +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "uint64_t" "ac_cv_type_uint64_t" "$ac_includes_default" +if test "x$ac_cv_type_uint64_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define uint64_t unsigned long long +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "ssize_t" "ac_cv_type_ssize_t" "$ac_includes_default" +if test "x$ac_cv_type_ssize_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define ssize_t int +_ACEOF + +fi + + +for ac_header in sys/types.h getopt.h stdlib.h stdio.h assert.h netinet/in.h ctype.h time.h pcap.h arpa/inet.h sys/time.h sys/socket.h sys/select.h netdb.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +for ac_header in winsock2.h ws2tcpip.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +for ac_header in netinet/in_systm.h net/if.h netinet/ip.h netinet/udp.h netinet/igmp.h netinet/if_ether.h netinet/ip6.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" " +$ac_includes_default +#ifdef HAVE_NETINET_IN_SYSTM_H +#include +#endif +#ifdef HAVE_NETINET_IN_H +#include +#endif +#ifdef HAVE_SYS_SOCKET_H +#include +#endif +#ifdef HAVE_NET_IF_H +#include +#endif +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + + +ac_fn_c_check_type "$LINENO" "socklen_t" "ac_cv_type_socklen_t" " +$ac_includes_default +#ifdef HAVE_SYS_SOCKET_H +# include +#endif +#ifdef HAVE_WS2TCPIP_H +# include +#endif + +" +if test "x$ac_cv_type_socklen_t" = xyes; then : + +else + +$as_echo "#define socklen_t int" >>confdefs.h + +fi + +for ac_header in sys/param.h sys/mount.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default + + + #if HAVE_SYS_PARAM_H + # include + #endif + + +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +ac_fn_c_check_type "$LINENO" "in_addr_t" "ac_cv_type_in_addr_t" " +#if HAVE_SYS_TYPES_H +# include +#endif +#if HAVE_NETINET_IN_H +# include +#endif +" +if test "x$ac_cv_type_in_addr_t" = xyes; then : + +else + +$as_echo "#define in_addr_t uint32_t" >>confdefs.h + +fi + +ac_fn_c_check_type "$LINENO" "in_port_t" "ac_cv_type_in_port_t" " +#if HAVE_SYS_TYPES_H +# include +#endif +#if HAVE_NETINET_IN_H +# include +#endif +" +if test "x$ac_cv_type_in_port_t" = xyes; then : + +else + +$as_echo "#define in_port_t uint16_t" >>confdefs.h + +fi + + +# check to see if libraries are needed for these functions. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing socket" >&5 +$as_echo_n "checking for library containing socket... " >&6; } +if ${ac_cv_search_socket+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char socket (); +int +main () +{ +return socket (); + ; + return 0; +} +_ACEOF +for ac_lib in '' socket; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_socket=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_socket+:} false; then : + break +fi +done +if ${ac_cv_search_socket+:} false; then : + +else + ac_cv_search_socket=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_socket" >&5 +$as_echo "$ac_cv_search_socket" >&6; } +ac_res=$ac_cv_search_socket +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + +tmp_LIBS="$LIBS" +LIBS= +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing inet_pton" >&5 +$as_echo_n "checking for library containing inet_pton... " >&6; } +if ${ac_cv_search_inet_pton+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char inet_pton (); +int +main () +{ +return inet_pton (); + ; + return 0; +} +_ACEOF +for ac_lib in '' nsl; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_inet_pton=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_inet_pton+:} false; then : + break +fi +done +if ${ac_cv_search_inet_pton+:} false; then : + +else + ac_cv_search_inet_pton=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_inet_pton" >&5 +$as_echo "$ac_cv_search_inet_pton" >&6; } +ac_res=$ac_cv_search_inet_pton +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + +LIBNSL_LIBS=$LIBS + +LIBS="$tmp_LIBS" + +tmp_CPPFLAGS="$CPPFLAGS" +tmp_LDFLAGS="$LDFLAGS" +tmp_LIBS="$LIBS" + + + +# Check whether --with-ssl was given. +if test "${with_ssl+set}" = set; then : + withval=$with_ssl; + +else + + withval="yes" + +fi + + + withval=$withval + if test x_$withval != x_no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SSL" >&5 +$as_echo_n "checking for SSL... " >&6; } + if test x_$withval = x_ -o x_$withval = x_yes; then + withval="/usr/local/ssl /usr/lib/ssl /usr/ssl /usr/pkg /usr/local /opt/local /usr/sfw /usr" + fi + for dir in $withval; do + ssldir="$dir" + if test -f "$dir/include/openssl/ssl.h"; then + found_ssl="yes" + +cat >>confdefs.h <<_ACEOF +#define HAVE_SSL /**/ +_ACEOF + + if test "$ssldir" != "/usr"; then + CPPFLAGS="$CPPFLAGS -I$ssldir/include" + LIBSSL_CPPFLAGS="$LIBSSL_CPPFLAGS -I$ssldir/include" + fi + break; + fi + done + if test x_$found_ssl != x_yes; then + as_fn_error $? "Cannot find the SSL libraries in $withval" "$LINENO" 5 + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: found in $ssldir" >&5 +$as_echo "found in $ssldir" >&6; } + HAVE_SSL=yes + if test "$ssldir" != "/usr" -a "$ssldir" != ""; then + LDFLAGS="$LDFLAGS -L$ssldir/lib" + LIBSSL_LDFLAGS="$LIBSSL_LDFLAGS -L$ssldir/lib" + + if test "x$enable_rpath" = xyes; then + if echo "$ssldir/lib" | grep "^/" >/dev/null; then + RUNTIME_PATH="$RUNTIME_PATH -R$ssldir/lib" + fi + fi + + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for HMAC_CTX_init in -lcrypto" >&5 +$as_echo_n "checking for HMAC_CTX_init in -lcrypto... " >&6; } + LIBS="$LIBS -lcrypto" + LIBSSL_LIBS="$LIBSSL_LIBS -lcrypto" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + int HMAC_CTX_init(void); + (void)HMAC_CTX_init(); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_HMAC_CTX_INIT 1" >>confdefs.h + + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + # check if -lwsock32 or -lgdi32 are needed. + BAKLIBS="$LIBS" + BAKSSLLIBS="$LIBSSL_LIBS" + LIBS="$LIBS -lgdi32" + LIBSSL_LIBS="$LIBSSL_LIBS -lgdi32" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if -lcrypto needs -lgdi32" >&5 +$as_echo_n "checking if -lcrypto needs -lgdi32... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + int HMAC_CTX_init(void); + (void)HMAC_CTX_init(); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + +$as_echo "#define HAVE_HMAC_CTX_INIT 1" >>confdefs.h + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + LIBS="$BAKLIBS" + LIBSSL_LIBS="$BAKSSLLIBS" + LIBS="$LIBS -ldl" + LIBSSL_LIBS="$LIBSSL_LIBS -ldl" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if -lcrypto needs -ldl" >&5 +$as_echo_n "checking if -lcrypto needs -ldl... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + int HMAC_CTX_init(void); + (void)HMAC_CTX_init(); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + +$as_echo "#define HAVE_HMAC_CTX_INIT 1" >>confdefs.h + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? "OpenSSL found in $ssldir, but version 0.9.7 or higher is required" "$LINENO" 5 + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + fi + + + # openssl engine functionality needs dlopen(). + BAKLIBS="$LIBS" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5 +$as_echo_n "checking for library containing dlopen... " >&6; } +if ${ac_cv_search_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +for ac_lib in '' dl; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_dlopen=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_dlopen+:} false; then : + break +fi +done +if ${ac_cv_search_dlopen+:} false; then : + +else + ac_cv_search_dlopen=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5 +$as_echo "$ac_cv_search_dlopen" >&6; } +ac_res=$ac_cv_search_dlopen +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + + if test "$LIBS" != "$BAKLIBS"; then + LIBSSL_LIBS="$LIBSSL_LIBS -ldl" + fi + fi +for ac_header in openssl/ssl.h +do : + ac_fn_c_check_header_compile "$LINENO" "openssl/ssl.h" "ac_cv_header_openssl_ssl_h" "$ac_includes_default +" +if test "x$ac_cv_header_openssl_ssl_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_OPENSSL_SSL_H 1 +_ACEOF + +fi + +done + +for ac_header in openssl/err.h +do : + ac_fn_c_check_header_compile "$LINENO" "openssl/err.h" "ac_cv_header_openssl_err_h" "$ac_includes_default +" +if test "x$ac_cv_header_openssl_err_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_OPENSSL_ERR_H 1 +_ACEOF + +fi + +done + +for ac_header in openssl/rand.h +do : + ac_fn_c_check_header_compile "$LINENO" "openssl/rand.h" "ac_cv_header_openssl_rand_h" "$ac_includes_default +" +if test "x$ac_cv_header_openssl_rand_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_OPENSSL_RAND_H 1 +_ACEOF + +fi + +done + + + + + + + + +CPPFLAGS="$tmp_CPPFLAGS" +LDFLAGS="$tmp_LDFLAGS" +LIBS="$tmp_LIBS" + +# use libcrypto to check the following: +tmp_LDFLAGS="$LDFLAGS" +tmp_LIBS="$LIBS" +LDFLAGS="$LDFLAGS $LIBSSL_LDFLAGS" +LIBS="$LIBS $LIBSSL_LIBS" +# Check whether --enable-sha2 was given. +if test "${enable_sha2+set}" = set; then : + enableval=$enable_sha2; +fi + +case "$enable_sha2" in + no) + ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SHA256 and SHA512" >&5 +$as_echo_n "checking for SHA256 and SHA512... " >&6; } + ac_fn_c_check_func "$LINENO" "SHA256_Init" "ac_cv_func_SHA256_Init" +if test "x$ac_cv_func_SHA256_Init" = xyes; then : + +else + + as_fn_error $? "SHA2 enabled, but no SHA2 functions found in OpenSSL" "$LINENO" 5 + +fi + + +cat >>confdefs.h <<_ACEOF +#define USE_SHA2 1 +_ACEOF + + ;; +esac + +# Check whether --enable-gost was given. +if test "${enable_gost+set}" = set; then : + enableval=$enable_gost; +fi + +case "$enable_gost" in + no) + ;; + *) + if test "x$HAVE_SSL" != "xyes"; then + as_fn_error $? "GOST enabled, but no SSL support" "$LINENO" 5 + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GOST" >&5 +$as_echo_n "checking for GOST... " >&6; } + ac_fn_c_check_func "$LINENO" "EVP_PKEY_set_type_str" "ac_cv_func_EVP_PKEY_set_type_str" +if test "x$ac_cv_func_EVP_PKEY_set_type_str" = xyes; then : + +else + as_fn_error $? "OpenSSL >= 1.0.0 is needed for GOST support or rerun with --disable-gost" "$LINENO" 5 +fi + + ac_fn_c_check_func "$LINENO" "EC_KEY_new" "ac_cv_func_EC_KEY_new" +if test "x$ac_cv_func_EC_KEY_new" = xyes; then : + +else + as_fn_error $? "No ECC functions found in OpenSSL: please upgrade OpenSSL or rerun with --disable-gost" "$LINENO" 5 +fi + + +cat >>confdefs.h <<_ACEOF +#define USE_GOST 1 +_ACEOF + + ;; +esac + +# Check whether --enable-ecdsa was given. +if test "${enable_ecdsa+set}" = set; then : + enableval=$enable_ecdsa; +fi + +case "$enable_ecdsa" in + yes) + ac_fn_c_check_func "$LINENO" "ECDSA_sign" "ac_cv_func_ECDSA_sign" +if test "x$ac_cv_func_ECDSA_sign" = xyes; then : + +else + as_fn_error $? "OpenSSL does not support ECDSA" "$LINENO" 5 +fi + + +cat >>confdefs.h <<_ACEOF +#define USE_ECDSA 1 +_ACEOF + + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: + ***************************************************************** + *** YOU HAVE ENABLED ECDSA WHICH IS EXPERIMENTAL AT THIS TIME *** + *** PLEASE DO NOT USE THIS ON THE PUBLIC INTERNET *** + *****************************************************************" >&5 +$as_echo "$as_me: WARNING: + ***************************************************************** + *** YOU HAVE ENABLED ECDSA WHICH IS EXPERIMENTAL AT THIS TIME *** + *** PLEASE DO NOT USE THIS ON THE PUBLIC INTERNET *** + *****************************************************************" >&2;} + ;; + no|*) + ;; +esac + +LDFLAGS="$tmp_LDFLAGS" +LIBS="$tmp_LIBS" + +#AC_CHECK_HEADER(ldns/ldns.h,, [ +# AC_MSG_ERROR([Can't find ldns headers (make copy-headers in devel source.)]) +# ], [AC_INCLUDES_DEFAULT] +#) + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pcap_open_offline in -lpcap" >&5 +$as_echo_n "checking for pcap_open_offline in -lpcap... " >&6; } +if ${ac_cv_lib_pcap_pcap_open_offline+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lpcap $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char pcap_open_offline (); +int +main () +{ +return pcap_open_offline (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_pcap_pcap_open_offline=yes +else + ac_cv_lib_pcap_pcap_open_offline=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pcap_pcap_open_offline" >&5 +$as_echo "$ac_cv_lib_pcap_pcap_open_offline" >&6; } +if test "x$ac_cv_lib_pcap_pcap_open_offline" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBPCAP 1 +_ACEOF + + LIBS="-lpcap $LIBS" + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Can't find pcap library (needed for ldns-dpa, will not build dpa now.)" >&5 +$as_echo "$as_me: WARNING: Can't find pcap library (needed for ldns-dpa, will not build dpa now.)" >&2;} + + +fi + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getaddrinfo" >&5 +$as_echo_n "checking for getaddrinfo... " >&6; } +if ${ac_cv_func_getaddrinfo+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_func_getaddrinfo=no +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#ifdef __cplusplus +extern "C" +{ +#endif +char* getaddrinfo(); +char* (*f) () = getaddrinfo; +#ifdef __cplusplus +} +#endif +int main() { + ; + return 0; +} + +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_func_getaddrinfo="yes" +else + ORIGLIBS="$LIBS" +LIBS="$LIBS -lws2_32" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#ifdef HAVE_WS2TCPIP_H +#include +#endif + +int +main () +{ + + (void)getaddrinfo(NULL, NULL, NULL, NULL); + + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_func_getaddrinfo="yes" +LDFLAGS="$LDFLAGS -lws2_32" + +else + ac_cv_func_getaddrinfo="no" +LIBS="$ORIGLIBS" + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_getaddrinfo" >&5 +$as_echo "$ac_cv_func_getaddrinfo" >&6; } +if test $ac_cv_func_getaddrinfo = yes; then + +$as_echo "#define HAVE_GETADDRINFO 1" >>confdefs.h + +fi + + +ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default" +if test "x$ac_cv_type_pid_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define pid_t int +_ACEOF + +fi + +for ac_header in vfork.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "vfork.h" "ac_cv_header_vfork_h" "$ac_includes_default" +if test "x$ac_cv_header_vfork_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_VFORK_H 1 +_ACEOF + +fi + +done + +for ac_func in fork vfork +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +if test "x$ac_cv_func_fork" = xyes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working fork" >&5 +$as_echo_n "checking for working fork... " >&6; } +if ${ac_cv_func_fork_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + ac_cv_func_fork_works=cross +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ + + /* By Ruediger Kuhlmann. */ + return fork () < 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_func_fork_works=yes +else + ac_cv_func_fork_works=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_fork_works" >&5 +$as_echo "$ac_cv_func_fork_works" >&6; } + +else + ac_cv_func_fork_works=$ac_cv_func_fork +fi +if test "x$ac_cv_func_fork_works" = xcross; then + case $host in + *-*-amigaos* | *-*-msdosdjgpp*) + # Override, as these systems have only a dummy fork() stub + ac_cv_func_fork_works=no + ;; + *) + ac_cv_func_fork_works=yes + ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&5 +$as_echo "$as_me: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&2;} +fi +ac_cv_func_vfork_works=$ac_cv_func_vfork +if test "x$ac_cv_func_vfork" = xyes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working vfork" >&5 +$as_echo_n "checking for working vfork... " >&6; } +if ${ac_cv_func_vfork_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + ac_cv_func_vfork_works=cross +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* Thanks to Paul Eggert for this test. */ +$ac_includes_default +#include +#ifdef HAVE_VFORK_H +# include +#endif +/* On some sparc systems, changes by the child to local and incoming + argument registers are propagated back to the parent. The compiler + is told about this with #include , but some compilers + (e.g. gcc -O) don't grok . Test for this by using a + static variable whose address is put into a register that is + clobbered by the vfork. */ +static void +#ifdef __cplusplus +sparc_address_test (int arg) +# else +sparc_address_test (arg) int arg; +#endif +{ + static pid_t child; + if (!child) { + child = vfork (); + if (child < 0) { + perror ("vfork"); + _exit(2); + } + if (!child) { + arg = getpid(); + write(-1, "", 0); + _exit (arg); + } + } +} + +int +main () +{ + pid_t parent = getpid (); + pid_t child; + + sparc_address_test (0); + + child = vfork (); + + if (child == 0) { + /* Here is another test for sparc vfork register problems. This + test uses lots of local variables, at least as many local + variables as main has allocated so far including compiler + temporaries. 4 locals are enough for gcc 1.40.3 on a Solaris + 4.1.3 sparc, but we use 8 to be safe. A buggy compiler should + reuse the register of parent for one of the local variables, + since it will think that parent can't possibly be used any more + in this routine. Assigning to the local variable will thus + munge parent in the parent process. */ + pid_t + p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(), + p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid(); + /* Convince the compiler that p..p7 are live; otherwise, it might + use the same hardware register for all 8 local variables. */ + if (p != p1 || p != p2 || p != p3 || p != p4 + || p != p5 || p != p6 || p != p7) + _exit(1); + + /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent + from child file descriptors. If the child closes a descriptor + before it execs or exits, this munges the parent's descriptor + as well. Test for this by closing stdout in the child. */ + _exit(close(fileno(stdout)) != 0); + } else { + int status; + struct stat st; + + while (wait(&status) != child) + ; + return ( + /* Was there some problem with vforking? */ + child < 0 + + /* Did the child fail? (This shouldn't happen.) */ + || status + + /* Did the vfork/compiler bug occur? */ + || parent != getpid() + + /* Did the file descriptor bug occur? */ + || fstat(fileno(stdout), &st) != 0 + ); + } +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_func_vfork_works=yes +else + ac_cv_func_vfork_works=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_vfork_works" >&5 +$as_echo "$ac_cv_func_vfork_works" >&6; } + +fi; +if test "x$ac_cv_func_fork_works" = xcross; then + ac_cv_func_vfork_works=$ac_cv_func_vfork + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&5 +$as_echo "$as_me: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&2;} +fi + +if test "x$ac_cv_func_vfork_works" = xyes; then + +$as_echo "#define HAVE_WORKING_VFORK 1" >>confdefs.h + +else + +$as_echo "#define vfork fork" >>confdefs.h + +fi +if test "x$ac_cv_func_fork_works" = xyes; then + +$as_echo "#define HAVE_WORKING_FORK 1" >>confdefs.h + +fi + +for ac_func in isblank srandom random sleep +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +ac_fn_c_check_decl "$LINENO" "in6addr_any" "ac_cv_have_decl_in6addr_any" "$ac_includes_default +#ifdef HAVE_SYS_SOCKET_H +#include +#endif +#ifdef HAVE_TIME_H +#include +#endif +#ifdef HAVE_SYS_TIME_H +#include +#endif +#ifdef HAVE_SYS_SELECT_H +#include +#endif +#ifdef HAVE_ARPA_INET_H +#include +#endif +#ifdef HAVE_NETINET_IN_H +#include +#endif +#ifdef HAVE_NETINET_UDP_H +#include +#endif +#ifdef HAVE_NETINET_IGMP_H +#include +#endif + +" +if test "x$ac_cv_have_decl_in6addr_any" = xyes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_IN6ADDR_ANY $ac_have_decl +_ACEOF + + +# check for ldns + +# Check whether --with-ldns was given. +if test "${with_ldns+set}" = set; then : + withval=$with_ldns; + specialldnsdir="$withval" + CPPFLAGS="$CPPFLAGS -I$withval/include" + LDFLAGS="-L$withval -L$withval/lib $LDFLAGS" + LDNSDIR="$withval" + + +fi + + +# check for ldns development source tree +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ldns devel source" >&5 +$as_echo_n "checking for ldns devel source... " >&6; } +ldns_dev_dir=.. +if test -f $ldns_dev_dir/ldns/util.h && \ + grep LDNS_VERSION $ldns_dev_dir/ldns/util.h >/dev/null; then + ldns_version=`grep LDNS_VERSION $ldns_dev_dir/ldns/util.h | sed -e 's/^.*"\(.*\)".*$/\1/'` + { $as_echo "$as_me:${as_lineno-$LINENO}: result: using $ldns_dev_dir with $ldns_version" >&5 +$as_echo "using $ldns_dev_dir with $ldns_version" >&6; } + CPPFLAGS="$CPPFLAGS -I$ldns_dev_dir/include" + LDFLAGS="-L$ldns_dev_dir -L$ldns_dev_dir/lib $LDFLAGS" + LIBS="$LIBS -lldns" + +$as_echo "#define HAVE_LIBLDNS 1" >>confdefs.h + + LDNSDIR="$ldns_dev_dir" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ldns_rr_new in -lldns" >&5 +$as_echo_n "checking for ldns_rr_new in -lldns... " >&6; } +if ${ac_cv_lib_ldns_ldns_rr_new+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lldns $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char ldns_rr_new (); +int +main () +{ +return ldns_rr_new (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_ldns_ldns_rr_new=yes +else + ac_cv_lib_ldns_ldns_rr_new=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ldns_ldns_rr_new" >&5 +$as_echo "$ac_cv_lib_ldns_ldns_rr_new" >&6; } +if test "x$ac_cv_lib_ldns_ldns_rr_new" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBLDNS 1 +_ACEOF + + LIBS="-lldns $LIBS" + +else + + as_fn_error $? "Can't find ldns library" "$LINENO" 5 + + +fi + +fi + + + + + + +ac_config_files="$ac_config_files Makefile" + +ac_config_headers="$ac_config_headers config.h" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. 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"unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + $as_echo "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' >$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' >$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS " +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? 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"could not create $ac_file" "$LINENO" 5 + +test -z "$ac_datarootdir_hack$ac_datarootdir_seen" && + { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } && + { ac_out=`sed -n '/^[ ]*datarootdir[ ]*:*=/p' \ + "$ac_tmp/out"`; test -z "$ac_out"; } && + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&5 +$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&2;} + + rm -f "$ac_tmp/stdin" + case $ac_file in + -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";; + *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";; + esac \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + ;; + :H) + # + # CONFIG_HEADER + # + if test x"$ac_file" != x-; then + { + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" + } >"$ac_tmp/config.h" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then + { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5 +$as_echo "$as_me: $ac_file is unchanged" >&6;} + else + rm -f "$ac_file" + mv "$ac_tmp/config.h" "$ac_file" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + fi + else + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \ + || as_fn_error $? "could not create -" "$LINENO" 5 + fi + ;; + + + esac + +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + diff --git a/libs/ldns/examples/configure.ac b/libs/ldns/examples/configure.ac new file mode 100644 index 0000000000..2bf89d2dc0 --- /dev/null +++ b/libs/ldns/examples/configure.ac @@ -0,0 +1,421 @@ +# -*- Autoconf -*- +# Process this file with autoconf to produce a configure script. + +AC_PREREQ(2.56) +AC_INIT(ldns, 1.6.9, libdns@nlnetlabs.nl,libdns) +AC_CONFIG_SRCDIR([ldns-read-zone.c]) +sinclude(../acx_nlnetlabs.m4) + +OURCPPFLAGS='' +CPPFLAGS=${CPPFLAGS:-${OURCPPFLAGS}} +OURCFLAGS='-g' +CFLAGS=${CFLAGS:-${OURCFLAGS}} +AC_DEFINE(WINVER, 0x0502, [the version of the windows API enabled]) + +AC_AIX +# Checks for programs. +AC_PROG_CC +AC_PROG_MAKE_SET +AC_CHECK_PROGS(libtool, [glibtool libtool15 libtool], [../libtool]) + +ACX_CHECK_COMPILER_FLAG(std=c99, [C99FLAG="-std=c99"]) +ACX_CHECK_COMPILER_FLAG(xc99, [C99FLAG="-xc99"]) + +AC_ARG_ENABLE(rpath, + [AC_HELP_STRING([--disable-rpath], [Disable hardcoded rpath (default=enabled)])], + enable_rpath=$enableval, enable_rpath=yes) + +if test "x$enable_rpath" = xyes; then + RPATH_VAL="-Wl,-rpath=\${libdir}" +fi + + +AC_TYPE_SIZE_T +ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"]) + +ACX_CHECK_COMPILER_FLAG_NEEDED($C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600, +[ +#include "confdefs.h" +#include +#include +#include +#ifdef HAVE_TIME_H +#include +#endif +#include +#ifdef HAVE_GETOPT_H +#include +#endif + +int test() { + int a; + char **opts = NULL; + struct timeval tv; + char *t; + time_t time = 0; + char *buf = NULL; + t = ctime_r(&time, buf); + tv.tv_usec = 10; + srandom(32); + a = getopt(2, opts, "a"); + a = isascii(32); + return a; +} +], [CFLAGS="$CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600"]) + + +ACX_CHECK_COMPILER_FLAG_NEEDED($C99FLAG, [#include ], [CFLAGS="$CFLAGS $C99FLAG"]) + +AC_C_INLINE +AC_CHECK_TYPE(int8_t, char) +AC_CHECK_TYPE(int16_t, short) +AC_CHECK_TYPE(int32_t, int) +AC_CHECK_TYPE(int64_t, long long) +AC_CHECK_TYPE(uint8_t, unsigned char) +AC_CHECK_TYPE(uint16_t, unsigned short) +AC_CHECK_TYPE(uint32_t, unsigned int) +AC_CHECK_TYPE(uint64_t, unsigned long long) +AC_CHECK_TYPE(ssize_t, int) + +AC_CHECK_HEADERS([sys/types.h getopt.h stdlib.h stdio.h assert.h netinet/in.h ctype.h time.h pcap.h arpa/inet.h sys/time.h sys/socket.h sys/select.h netdb.h],,, [AC_INCLUDES_DEFAULT]) +AC_CHECK_HEADERS([winsock2.h ws2tcpip.h],,, [AC_INCLUDES_DEFAULT]) +AC_CHECK_HEADERS([netinet/in_systm.h net/if.h netinet/ip.h netinet/udp.h netinet/igmp.h netinet/if_ether.h netinet/ip6.h],,, [ +AC_INCLUDES_DEFAULT +#ifdef HAVE_NETINET_IN_SYSTM_H +#include +#endif +#ifdef HAVE_NETINET_IN_H +#include +#endif +#ifdef HAVE_SYS_SOCKET_H +#include +#endif +#ifdef HAVE_NET_IF_H +#include +#endif]) + +ACX_TYPE_SOCKLEN_T +AC_CHECK_HEADERS([sys/param.h sys/mount.h],,, +[AC_INCLUDES_DEFAULT] +[ + [ + #if HAVE_SYS_PARAM_H + # include + #endif + ] +]) +AC_CHECK_TYPE(in_addr_t, [], [AC_DEFINE([in_addr_t], [uint32_t], [in_addr_t])], [ +#if HAVE_SYS_TYPES_H +# include +#endif +#if HAVE_NETINET_IN_H +# include +#endif]) +AC_CHECK_TYPE(in_port_t, [], [AC_DEFINE([in_port_t], [uint16_t], [in_port_t])], [ +#if HAVE_SYS_TYPES_H +# include +#endif +#if HAVE_NETINET_IN_H +# include +#endif]) + +# check to see if libraries are needed for these functions. +AC_SEARCH_LIBS(socket, socket) +tmp_LIBS="$LIBS" +LIBS= +AC_SEARCH_LIBS(inet_pton, nsl) +AC_SUBST(LIBNSL_LIBS,$LIBS) +LIBS="$tmp_LIBS" + +tmp_CPPFLAGS="$CPPFLAGS" +tmp_LDFLAGS="$LDFLAGS" +tmp_LIBS="$LIBS" + +ACX_WITH_SSL_OPTIONAL + +AC_SUBST(LIBSSL_CPPFLAGS) +AC_SUBST(LIBSSL_LDFLAGS) +AC_SUBST(LIBSSL_LIBS) + +CPPFLAGS="$tmp_CPPFLAGS" +LDFLAGS="$tmp_LDFLAGS" +LIBS="$tmp_LIBS" + +# use libcrypto to check the following: +tmp_LDFLAGS="$LDFLAGS" +tmp_LIBS="$LIBS" +LDFLAGS="$LDFLAGS $LIBSSL_LDFLAGS" +LIBS="$LIBS $LIBSSL_LIBS" +AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support])) +case "$enable_sha2" in + no) + ;; + *) + AC_MSG_CHECKING(for SHA256 and SHA512) + AC_CHECK_FUNC(SHA256_Init,, [ + AC_MSG_ERROR([SHA2 enabled, but no SHA2 functions found in OpenSSL]) + ]) + AC_DEFINE_UNQUOTED([USE_SHA2], [1], [Define this to enable SHA256 and SHA512 support.]) + ;; +esac + +AC_ARG_ENABLE(gost, AC_HELP_STRING([--disable-gost], [Disable GOST support])) +case "$enable_gost" in + no) + ;; + *) + if test "x$HAVE_SSL" != "xyes"; then + AC_MSG_ERROR([GOST enabled, but no SSL support]) + fi + AC_MSG_CHECKING(for GOST) + AC_CHECK_FUNC(EVP_PKEY_set_type_str, [],[AC_MSG_ERROR([OpenSSL >= 1.0.0 is needed for GOST support or rerun with --disable-gost])]) + AC_CHECK_FUNC(EC_KEY_new, [], [AC_MSG_ERROR([No ECC functions found in OpenSSL: please upgrade OpenSSL or rerun with --disable-gost])]) + AC_DEFINE_UNQUOTED([USE_GOST], [1], [Define this to enable GOST support.]) + ;; +esac + +AC_ARG_ENABLE(ecdsa, AC_HELP_STRING([--enable-ecdsa], [Enable ECDSA support, experimental])) +case "$enable_ecdsa" in + yes) + AC_CHECK_FUNC(ECDSA_sign,,[AC_MSG_ERROR([OpenSSL does not support ECDSA])]) + AC_DEFINE_UNQUOTED([USE_ECDSA], [1], [Define this to enable ECDSA support.]) + AC_WARN([ + ***************************************************************** + *** YOU HAVE ENABLED ECDSA WHICH IS EXPERIMENTAL AT THIS TIME *** + *** PLEASE DO NOT USE THIS ON THE PUBLIC INTERNET *** + *****************************************************************]) + ;; + no|*) + ;; +esac + +LDFLAGS="$tmp_LDFLAGS" +LIBS="$tmp_LIBS" + +#AC_CHECK_HEADER(ldns/ldns.h,, [ +# AC_MSG_ERROR([Can't find ldns headers (make copy-headers in devel source.)]) +# ], [AC_INCLUDES_DEFAULT] +#) + +AC_CHECK_LIB(pcap, pcap_open_offline,, [ + AC_MSG_WARN([Can't find pcap library (needed for ldns-dpa, will not build dpa now.)]) + ] +) + + +AC_DEFUN([AC_CHECK_GETADDRINFO_WITH_INCLUDES], +[AC_REQUIRE([AC_PROG_CC]) +AC_MSG_CHECKING(for getaddrinfo) +AC_CACHE_VAL(ac_cv_func_getaddrinfo, +[ac_cv_func_getaddrinfo=no +AC_LINK_IFELSE( +[ +#ifdef __cplusplus +extern "C" +{ +#endif +char* getaddrinfo(); +char* (*f) () = getaddrinfo; +#ifdef __cplusplus +} +#endif +int main() { + ; + return 0; +} +], +dnl this case on linux, solaris, bsd +[ac_cv_func_getaddrinfo="yes"], +dnl no quick getaddrinfo, try mingw32 and winsock2 library. +ORIGLIBS="$LIBS" +LIBS="$LIBS -lws2_32" +AC_LINK_IFELSE( +AC_LANG_PROGRAM( +[ +#ifdef HAVE_WS2TCPIP_H +#include +#endif +], +[ + (void)getaddrinfo(NULL, NULL, NULL, NULL); +] +), +[ac_cv_func_getaddrinfo="yes" +LDFLAGS="$LDFLAGS -lws2_32" +], +[ac_cv_func_getaddrinfo="no" +LIBS="$ORIGLIBS" +]) +) +]) + +AC_MSG_RESULT($ac_cv_func_getaddrinfo) +if test $ac_cv_func_getaddrinfo = yes; then + AC_DEFINE(HAVE_GETADDRINFO, 1, [Whether getaddrinfo is available]) +fi +])dnl + +AC_CHECK_GETADDRINFO_WITH_INCLUDES + +AC_FUNC_FORK +AC_CHECK_FUNCS(isblank srandom random sleep) +AC_CHECK_DECLS([in6addr_any],,,[AC_INCLUDES_DEFAULT +#ifdef HAVE_SYS_SOCKET_H +#include +#endif +#ifdef HAVE_TIME_H +#include +#endif +#ifdef HAVE_SYS_TIME_H +#include +#endif +#ifdef HAVE_SYS_SELECT_H +#include +#endif +#ifdef HAVE_ARPA_INET_H +#include +#endif +#ifdef HAVE_NETINET_IN_H +#include +#endif +#ifdef HAVE_NETINET_UDP_H +#include +#endif +#ifdef HAVE_NETINET_IGMP_H +#include +#endif +]) + +# check for ldns +AC_ARG_WITH(ldns, + AC_HELP_STRING([--with-ldns=PATH specify prefix of path of ldns library to use]) + , + [ + specialldnsdir="$withval" + CPPFLAGS="$CPPFLAGS -I$withval/include" + LDFLAGS="-L$withval -L$withval/lib $LDFLAGS" + LDNSDIR="$withval" + ] +) + +# check for ldns development source tree +AC_MSG_CHECKING([for ldns devel source]) +ldns_dev_dir=.. +if test -f $ldns_dev_dir/ldns/util.h && \ + grep LDNS_VERSION $ldns_dev_dir/ldns/util.h >/dev/null; then + ldns_version=`grep LDNS_VERSION $ldns_dev_dir/ldns/util.h | sed -e 's/^.*"\(.*\)".*$/\1/'` + AC_MSG_RESULT([using $ldns_dev_dir with $ldns_version]) + CPPFLAGS="$CPPFLAGS -I$ldns_dev_dir/include" + LDFLAGS="-L$ldns_dev_dir -L$ldns_dev_dir/lib $LDFLAGS" + LIBS="$LIBS -lldns" + AC_DEFINE(HAVE_LIBLDNS, 1, [If the ldns library is available.]) + LDNSDIR="$ldns_dev_dir" +else + AC_MSG_RESULT([no]) + AC_CHECK_LIB(ldns, ldns_rr_new,, [ + AC_MSG_ERROR([Can't find ldns library]) + ] + ) +fi + +AC_SUBST(LDNSDIR) + + +AH_BOTTOM([ + +#include +#include +#include +#include + +#if STDC_HEADERS +#include +#include +#endif + +#ifdef HAVE_STDINT_H +#include +#endif + +#ifdef HAVE_SYS_SOCKET_H +#include +#endif + +#ifdef HAVE_NETINET_IN_H +#include +#endif + +#ifdef HAVE_ARPA_INET_H +#include +#endif + +#ifdef HAVE_NETINET_UDP_H +#include +#endif + +#ifdef HAVE_TIME_H +#include +#endif + +#ifdef HAVE_PCAP_H +#include +#endif + +#ifdef HAVE_NETINET_IN_SYSTM_H +#include +#endif + +#ifdef HAVE_NETINET_IP_H +#include +#endif + +#ifdef HAVE_NET_IF_H +#include +#endif + +#ifdef HAVE_NETINET_IF_ETHER_H +#include +#endif + +#ifdef HAVE_WINSOCK2_H +#define USE_WINSOCK 1 +#include +#endif + +#ifdef HAVE_WS2TCPIP_H +#include +#endif + +#ifndef HAVE_GETADDRINFO +#include +#endif + +#ifndef HAVE_RANDOM +/* random can be replaced by rand for ldnsexamples */ +#define random rand +#endif + +#ifndef HAVE_SRANDOM +/* srandom can be replaced by srand for ldnsexamples */ +#define srandom srand +#endif + +extern char *optarg; +extern int optind, opterr; + +#ifndef EXIT_FAILURE +#define EXIT_FAILURE 1 +#endif +#ifndef EXIT_SUCCESS +#define EXIT_SUCCESS 0 +#endif + +#ifdef S_SPLINT_S +#define FD_ZERO(a) /* a */ +#define FD_SET(a,b) /* a, b */ +#endif +]) + +AC_CONFIG_FILES([Makefile]) +AC_CONFIG_HEADER([config.h]) +AC_OUTPUT diff --git a/libs/ldns/examples/fake-rfc2553.h b/libs/ldns/examples/fake-rfc2553.h new file mode 100644 index 0000000000..1e9add1eb0 --- /dev/null +++ b/libs/ldns/examples/fake-rfc2553.h @@ -0,0 +1,175 @@ +/* From openssh 4.3p2 filename openbsd-compat/fake-rfc2553.h */ +/* + * Copyright (C) 2000-2003 Damien Miller. All rights reserved. + * Copyright (C) 1999 WIDE Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Pseudo-implementation of RFC2553 name / address resolution functions + * + * But these functions are not implemented correctly. The minimum subset + * is implemented for ssh use only. For example, this routine assumes + * that ai_family is AF_INET. Don't use it for another purpose. + */ + +#ifndef _FAKE_RFC2553_H +#define _FAKE_RFC2553_H + +#include +#include +#include +#include + +/* + * First, socket and INET6 related definitions + */ +#ifndef HAVE_STRUCT_SOCKADDR_STORAGE +#ifndef _SS_MAXSIZE +# define _SS_MAXSIZE 128 /* Implementation specific max size */ +# define _SS_PADSIZE (_SS_MAXSIZE - sizeof (struct sockaddr)) +struct sockaddr_storage { + struct sockaddr ss_sa; + char __ss_pad2[_SS_PADSIZE]; +}; +# define ss_family ss_sa.sa_family +#endif /* _SS_MAXSIZE */ +#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */ + +#ifndef IN6_IS_ADDR_LOOPBACK +# define IN6_IS_ADDR_LOOPBACK(a) \ + (((uint32_t *)(a))[0] == 0 && ((uint32_t *)(a))[1] == 0 && \ + ((uint32_t *)(a))[2] == 0 && ((uint32_t *)(a))[3] == htonl(1)) +#endif /* !IN6_IS_ADDR_LOOPBACK */ + +#ifndef HAVE_STRUCT_IN6_ADDR +struct in6_addr { + uint8_t s6_addr[16]; +}; +#endif /* !HAVE_STRUCT_IN6_ADDR */ + +#ifndef HAVE_STRUCT_SOCKADDR_IN6 +struct sockaddr_in6 { + unsigned short sin6_family; + uint16_t sin6_port; + uint32_t sin6_flowinfo; + struct in6_addr sin6_addr; +}; +#endif /* !HAVE_STRUCT_SOCKADDR_IN6 */ + +#ifndef AF_INET6 +/* Define it to something that should never appear */ +#define AF_INET6 AF_MAX +#endif + +/* + * Next, RFC2553 name / address resolution API + */ + +#ifndef NI_NUMERICHOST +# define NI_NUMERICHOST (1) +#endif +#ifndef NI_NAMEREQD +# define NI_NAMEREQD (1<<1) +#endif +#ifndef NI_NUMERICSERV +# define NI_NUMERICSERV (1<<2) +#endif + +#ifndef AI_PASSIVE +# define AI_PASSIVE (1) +#endif +#ifndef AI_CANONNAME +# define AI_CANONNAME (1<<1) +#endif +#ifndef AI_NUMERICHOST +# define AI_NUMERICHOST (1<<2) +#endif + +#ifndef NI_MAXSERV +# define NI_MAXSERV 32 +#endif /* !NI_MAXSERV */ +#ifndef NI_MAXHOST +# define NI_MAXHOST 1025 +#endif /* !NI_MAXHOST */ + +#ifndef INT_MAX +#define INT_MAX 0xffffffff +#endif + +#ifndef EAI_NODATA +# define EAI_NODATA (INT_MAX - 1) +#endif +#ifndef EAI_MEMORY +# define EAI_MEMORY (INT_MAX - 2) +#endif +#ifndef EAI_NONAME +# define EAI_NONAME (INT_MAX - 3) +#endif +#ifndef EAI_SYSTEM +# define EAI_SYSTEM (INT_MAX - 4) +#endif + +#ifndef HAVE_STRUCT_ADDRINFO +struct addrinfo { + int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ + int ai_family; /* PF_xxx */ + int ai_socktype; /* SOCK_xxx */ + int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ + size_t ai_addrlen; /* length of ai_addr */ + char *ai_canonname; /* canonical name for hostname */ + struct sockaddr *ai_addr; /* binary address */ + struct addrinfo *ai_next; /* next structure in linked list */ +}; +#endif /* !HAVE_STRUCT_ADDRINFO */ + +#ifndef HAVE_GETADDRINFO +#ifdef getaddrinfo +# undef getaddrinfo +#endif +#define getaddrinfo(a,b,c,d) (ssh_getaddrinfo(a,b,c,d)) +int getaddrinfo(const char *, const char *, + const struct addrinfo *, struct addrinfo **); +#endif /* !HAVE_GETADDRINFO */ + +#if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO) +#define gai_strerror(a) (ssh_gai_strerror(a)) +char *gai_strerror(int); +#endif /* !HAVE_GAI_STRERROR */ + +#ifndef HAVE_FREEADDRINFO +#define freeaddrinfo(a) (ssh_freeaddrinfo(a)) +void freeaddrinfo(struct addrinfo *); +#endif /* !HAVE_FREEADDRINFO */ + +#ifndef HAVE_GETNAMEINFO +#define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g)) +int getnameinfo(const struct sockaddr *, size_t, char *, size_t, + char *, size_t, int); +#endif /* !HAVE_GETNAMEINFO */ + +#endif /* !_FAKE_RFC2553_H */ + diff --git a/libs/ldns/examples/ldns-chaos.1 b/libs/ldns/examples/ldns-chaos.1 new file mode 100644 index 0000000000..e9b7bf46dc --- /dev/null +++ b/libs/ldns/examples/ldns-chaos.1 @@ -0,0 +1,26 @@ +.TH ldns-chaos 1 "27 Apr 2005" +.SH NAME +ldns-chaos \- give some information about a nameserver +.SH SYNOPSIS +.B ldns-chaos +.IR NAMESERVER + +.SH DESCRIPTION +\fBldns-chaos\fR retrieves all the addresses of the nameserver and then queries +each address for its \fIversion.bind\fR and \fIhostname.bind\fR. +.PP +\fBldns-chaos\fR is a bit more complex than \fBldns-mx\fR. + +.SH OPTIONS +\fBldns-chaos\fR has no options. + +.SH AUTHOR +Written by the ldns team as an example for ldns usage. + +.SH REPORTING BUGS +Report bugs to . + +.SH COPYRIGHT +Copyright (C) 2005 NLnet Labs. This is free software. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. diff --git a/libs/ldns/examples/ldns-chaos.c b/libs/ldns/examples/ldns-chaos.c new file mode 100644 index 0000000000..a1e1b796bf --- /dev/null +++ b/libs/ldns/examples/ldns-chaos.c @@ -0,0 +1,125 @@ +/* + * chaos is a small programs that prints some information + * about a nameserver + * + * (c) NLnet Labs, 2005 - 2008 + * + * See the file LICENSE for the license + */ + +#include "config.h" + +#include + +static int +usage(FILE *fp, char *prog) { + fprintf(fp, "%s server\n", prog); + fprintf(fp, " print out some information about server\n"); + return 0; +} + +int +main(int argc, char *argv[]) +{ + ldns_resolver *res; + ldns_rdf *name; + ldns_rdf *version, *id; + ldns_pkt *p; + ldns_rr_list *addr; + ldns_rr_list *info; + ldns_status s; + ldns_rdf *pop; + size_t i; + + if (argc != 2) { + usage(stdout, argv[0]); + exit(EXIT_FAILURE); + } else { + /* create a rdf from the command line arg */ + name = ldns_dname_new_frm_str(argv[1]); + if (!name) { + usage(stdout, argv[0]); + exit(EXIT_FAILURE); + } + } + + /* create rdf for what we are going to ask */ + version = ldns_dname_new_frm_str("version.bind"); + id = ldns_dname_new_frm_str("hostname.bind"); + + /* create a new resolver from /etc/resolv.conf */ + s = ldns_resolver_new_frm_file(&res, NULL); + if (s != LDNS_STATUS_OK) { + ldns_rdf_deep_free(name); + exit(EXIT_FAILURE); + } + ldns_resolver_set_retry(res, 1); /* don't want to wait too long */ + + /* use the resolver to send it a query for the a/aaaa of name */ + addr = ldns_get_rr_list_addr_by_name(res, name, LDNS_RR_CLASS_IN, LDNS_RD); + if (!addr) { + fprintf(stderr, " *** could not get an address for %s\n", argv[1]); + ldns_rdf_deep_free(name); + ldns_resolver_deep_free(res); + exit(EXIT_FAILURE); + } + + /* remove current list of nameservers from resolver */ + while((pop = ldns_resolver_pop_nameserver(res))) { ldns_rdf_deep_free(pop); } + + + /* can be multihomed */ + for(i = 0; i < ldns_rr_list_rr_count(addr); i++) { + if (i > 0) { + fprintf(stdout, "\n"); + } + + if (ldns_resolver_push_nameserver_rr(res, + ldns_rr_list_rr(addr, i)) != LDNS_STATUS_OK) { + printf("Error adding nameserver to resolver\n"); + } + + ldns_rr_print(stdout, ldns_rr_list_rr(addr, i)); + fprintf(stdout, "\n"); + + p = ldns_resolver_query(res, version, LDNS_RR_TYPE_TXT, + LDNS_RR_CLASS_CH, LDNS_RD); + if (p) { + ldns_pkt_print(stdout, p); + info = ldns_pkt_rr_list_by_type(p, + LDNS_RR_TYPE_TXT, LDNS_SECTION_ANSWER); + + if (info) { + ldns_rr_list_print(stdout, info); + ldns_rr_list_deep_free(info); + } else { + printf(" *** version retrieval failed\n"); + } + ldns_pkt_free(p); + } else { + printf(" *** query failed\n"); + } + + p = ldns_resolver_query(res, id, LDNS_RR_TYPE_TXT, + LDNS_RR_CLASS_CH, LDNS_RD); + if (p) { + info = ldns_pkt_rr_list_by_type(p, + LDNS_RR_TYPE_TXT, LDNS_SECTION_ANSWER); + if (info) { + ldns_rr_list_print(stdout, info); + ldns_rr_list_deep_free(info); + } else { + printf(" *** id retrieval failed\n"); + } + ldns_pkt_free(p); + } else { + printf(" *** query failed for\n"); + } + ldns_rdf_deep_free(ldns_resolver_pop_nameserver(res)); + + } + + ldns_rdf_deep_free(name); + ldns_resolver_deep_free(res); + exit(EXIT_SUCCESS); +} diff --git a/libs/ldns/examples/ldns-compare-zones.1 b/libs/ldns/examples/ldns-compare-zones.1 new file mode 100644 index 0000000000..facccd8745 --- /dev/null +++ b/libs/ldns/examples/ldns-compare-zones.1 @@ -0,0 +1,57 @@ +.TH ldns-compare-zones 1 "17 Oct 2007" +.SH NAME +ldns-compare-zones \- read and compare two zonefiles and print differences +.SH SYNOPSIS +.B ldns-compare-zones +.IR [-c] +.IR [-i] +.IR [-d] +.IR [-z] +.IR [-s] +.IR ZONEFILE1 +.IR ZONEFILE2 +.SH DESCRIPTION +\fBldns-compare-zones\fR reads two DNS zone files and prints number of differences. +.nf +Output is formated to: + +NUM_INS -NUM_DEL ~NUM_CHG + +.fi +The major comparison is based on the owner name. If an owner name is present in zonefile 1, but not in zonefile 2, the resource records with this owner name are considered deleted, and counted as NUM_DEL. If an owner name is present in zonefile 2, but not in zonefile 1, the resource records with this owner name are considered inserted, and counted as NUM_INS. If an owner name is present in both, but there is a difference in the amount or content of the records, these are considered changed, and counted as NUM_CHG. +.SH OPTIONS +.TP +\fB-c\fR +Print resource records whose owner names are in both zone files, but with different resource records. (a.k.a. changed) +.TP +\fB-i\fR +Print resource records whose owner names are present only in ZONEFILE2 (a.k.a. inserted) +.TP +\fB-d\fR +Print resource records whose owner names are present only in ZONEFILE1 (a.k.a. deleted) +.TP +\fB-a\fR +Print all changes. Specifying this option is the same as specifying -c -i +amd -d. +.TP +\fB-z\fR +Suppress zone sorting; this option is not recommended; it can cause records +to be incorrectly marked as changed, depending of the nature of the changes. +.TP +\fB-s\fR +Do not exclude the SOA record from the comparison. The SOA record may +then show up as changed due to a new serial number. Off by default since +you may be interested to know if (other zone apex elements) have changed. +.TP +\fB-h\fR +Show usage and exit +.TP +\fB-v\fR +Show the version and exit +.SH AUTHOR +Written by Ondřej Surý for CZ.NIC, z.s.p.o. (czech domain registry) +.SH REPORTING BUGS +Report bugs to . +.SH COPYRIGHT +Copyright (C) 2005 CZ.NIC, z.s.p.o.. This is free software. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. diff --git a/libs/ldns/examples/ldns-compare-zones.c b/libs/ldns/examples/ldns-compare-zones.c new file mode 100644 index 0000000000..56d36a286c --- /dev/null +++ b/libs/ldns/examples/ldns-compare-zones.c @@ -0,0 +1,283 @@ +/* + * ldns-compare-zones compares two zone files + * + * Written by Ondrej Sury in 2007 + * + * Modified a bit by NLnet Labs. + * + * See the file LICENSE for the license + */ + +#include "config.h" +#include +#include +#include +#include + +#include + +#include + +#define OP_INS '+' +#define OP_DEL '-' +#define OP_CHG '~' + +static void +usage(int argc, char **argv) +{ + printf("Usage: %s [-v] [-i] [-d] [-c] [-s] \n", + argv[0]); + printf(" -i - print inserted\n"); + printf(" -d - print deleted\n"); + printf(" -c - print changed\n"); + printf(" -a - print all differences (-i -d -c)\n"); + printf(" -s - do not exclude SOA record from comparison\n"); + printf(" -z - do not sort zones\n"); +} + +int +main(int argc, char **argv) +{ + char *fn1, *fn2; + FILE *fp1, *fp2; + ldns_zone *z1, *z2; + ldns_status s; + size_t i , j; + ldns_rr_list *rrl1, *rrl2; + int rr_cmp, rr_chg = 0; + ldns_rr *rr1 = NULL, *rr2 = NULL, *rrx = NULL; + int line_nr1 = 0, line_nr2 = 0; + size_t rrc1 , rrc2; + size_t num_ins = 0, num_del = 0, num_chg = 0; + int c; + bool opt_deleted = false, opt_inserted = false, opt_changed = false; + bool sort = true, inc_soa = false; + char op = 0; + + while ((c = getopt(argc, argv, "ahvdicsz")) != -1) { + switch (c) { + case 'h': + usage(argc, argv); + exit(EXIT_SUCCESS); + break; + case 'v': + printf("%s version %s (ldns version %s)\n", + argv[0], + LDNS_VERSION, + ldns_version()); + exit(EXIT_SUCCESS); + break; + case 's': + inc_soa = true; + break; + case 'z': + sort = false; + break; + case 'd': + opt_deleted = true; + break; + case 'i': + opt_inserted = true; + break; + case 'c': + opt_changed = true; + break; + case 'a': + opt_deleted = true; + opt_inserted = true; + opt_changed = true; + break; + } + } + + argc -= optind; + argv += optind; + + if (argc != 2) { + argc -= optind; + argv -= optind; + usage(argc, argv); + exit(EXIT_FAILURE); + } + fn1 = argv[0]; + fp1 = fopen(fn1, "r"); + if (!fp1) { + fprintf(stderr, "Unable to open %s: %s\n", fn1, strerror(errno)); + exit(EXIT_FAILURE); + } + /* Read first zone */ + s = ldns_zone_new_frm_fp_l(&z1, fp1, NULL, 0, + LDNS_RR_CLASS_IN, &line_nr1); + if (s != LDNS_STATUS_OK) { + fclose(fp1); + fprintf(stderr, "%s: %s at %d\n", + fn1, + ldns_get_errorstr_by_id(s), + line_nr1); + exit(EXIT_FAILURE); + } + fclose(fp1); + + fn2 = argv[1]; + fp2 = fopen(fn2, "r"); + if (!fp2) { + fprintf(stderr, "Unable to open %s: %s\n", fn2, strerror(errno)); + exit(EXIT_FAILURE); + } + /* Read second zone */ + s = ldns_zone_new_frm_fp_l(&z2, fp2, NULL, 0, + LDNS_RR_CLASS_IN, &line_nr2); + if (s != LDNS_STATUS_OK) { + ldns_zone_deep_free(z1); + fclose(fp2); + fprintf(stderr, "%s: %s at %d\n", + fn2, + ldns_get_errorstr_by_id(s), + line_nr2); + exit(EXIT_FAILURE); + } + fclose(fp2); + + rrl1 = ldns_zone_rrs(z1); + rrc1 = ldns_rr_list_rr_count(rrl1); + + rrl2 = ldns_zone_rrs(z2); + rrc2 = ldns_rr_list_rr_count(rrl2); + + if (sort) { + /* canonicalize zone 1 */ + ldns_rr2canonical(ldns_zone_soa(z1)); + for (i = 0; i < ldns_rr_list_rr_count(ldns_zone_rrs(z1)); i++) { + ldns_rr2canonical(ldns_rr_list_rr(ldns_zone_rrs(z1), i)); + } + /* sort zone 1 */ + ldns_zone_sort(z1); + /* canonicalize zone 2 */ + ldns_rr2canonical(ldns_zone_soa(z2)); + for (i = 0; i < ldns_rr_list_rr_count(ldns_zone_rrs(z2)); i++) { + ldns_rr2canonical(ldns_rr_list_rr(ldns_zone_rrs(z2), i)); + } + /* sort zone 2 */ + ldns_zone_sort(z2); + } + + if(inc_soa) { + ldns_rr_list* wsoa = ldns_rr_list_new(); + ldns_rr_list_push_rr(wsoa, ldns_zone_soa(z1)); + ldns_rr_list_cat(wsoa, rrl1); + rrl1 = wsoa; + rrc1 = ldns_rr_list_rr_count(rrl1); + wsoa = ldns_rr_list_new(); + ldns_rr_list_push_rr(wsoa, ldns_zone_soa(z2)); + ldns_rr_list_cat(wsoa, rrl2); + rrl2 = wsoa; + rrc2 = ldns_rr_list_rr_count(rrl2); + if(sort) { + ldns_rr_list_sort(rrl1); + ldns_rr_list_sort(rrl2); + } + } + + /* + * Walk through both zones. The previously seen resource record is + * kept (in the variable rrx) so that we can recognize when we are + * handling a new owner name. If the owner name changes, we have to + * set the operator again. + */ + for (i = 0, j = 0; i < rrc1 || j < rrc2;) { + rr_cmp = 0; + if (i < rrc1 && j < rrc2) { + rr1 = ldns_rr_list_rr(rrl1, i); + rr2 = ldns_rr_list_rr(rrl2, j); + rr_cmp = ldns_rr_compare(rr1, rr2); + + /* Completely skip if the rrs are equal */ + if (rr_cmp == 0) { + i++; + j++; + continue; + } + rr_chg = ldns_dname_compare(ldns_rr_owner(rr1), + ldns_rr_owner(rr2)); + } else if (i >= rrc1) { + /* we have reached the end of zone 1, so the current record + * from zone 2 automatically sorts higher + */ + rr1 = NULL; + rr2 = ldns_rr_list_rr(rrl2, j); + rr_chg = rr_cmp = 1; + } else if (j >= rrc2) { + /* we have reached the end of zone 2, so the current record + * from zone 1 automatically sorts lower + */ + rr1 = ldns_rr_list_rr(rrl1, i); + rr2 = NULL; + rr_chg = rr_cmp = -1; + } + if (rr_cmp < 0) { + i++; + if ((rrx != NULL) && (ldns_dname_compare(ldns_rr_owner(rr1), + ldns_rr_owner(rrx) + ) != 0)) { + /* The owner name is different, forget previous rr */ + rrx = NULL; + } + if (rrx == NULL) { + if (rr_chg == 0) { + num_chg++; + op = OP_CHG; + } else { + num_del++; + op = OP_DEL; + } + rrx = rr1; + } + if (((op == OP_DEL) && opt_deleted) || + ((op == OP_CHG) && opt_changed)) { + printf("%c-", op); + ldns_rr_print(stdout, rr1); + } + } else if (rr_cmp > 0) { + j++; + if ((rrx != NULL) && (ldns_dname_compare(ldns_rr_owner(rr2), + ldns_rr_owner(rrx) + ) != 0)) { + rrx = NULL; + } + if (rrx == NULL) { + if (rr_chg == 0) { + num_chg++; + op = OP_CHG; + } else { + num_ins++; + op = OP_INS; + } + /* remember this rr for it's name in the next iteration */ + rrx = rr2; + } + if (((op == OP_INS) && opt_inserted) || + ((op == OP_CHG) && opt_changed)) { + printf("%c+", op); + ldns_rr_print(stdout, rr2); + } + } + } + + printf("\t%c%u\t%c%u\t%c%u\n", + OP_INS, + (unsigned int) num_ins, + OP_DEL, + (unsigned int) num_del, + OP_CHG, + (unsigned int) num_chg); + + /* Free resources */ + if(inc_soa) { + ldns_rr_list_free(rrl1); + ldns_rr_list_free(rrl2); + } + ldns_zone_deep_free(z2); + ldns_zone_deep_free(z1); + + return 0; +} diff --git a/libs/ldns/examples/ldns-dpa.1 b/libs/ldns/examples/ldns-dpa.1 new file mode 100644 index 0000000000..0b433df661 --- /dev/null +++ b/libs/ldns/examples/ldns-dpa.1 @@ -0,0 +1,151 @@ +.TH dpa 1 "1 Nov 2005" +.SH NAME +dpa \- DNS Packet Analyzer. Analyze DNS packets in ip trace files +.SH SYNOPSIS +.B dpa +[ +.IR OPTION +] +.IR TRACEFILE + +.SH DESCRIPTION +\fBdpa\fR is used to analyze dns packets in trace files. It has 3 main options: count, filter, and count uniques (i.e. count all different occurences). + +.SH OPTIONS +.TP +\fB-c\fR \fIexpressionlist\fR +Count occurrences of matching expressions + +.TP +\fB-f\fR \fIexpression\fR +Filter: only process packets that match the expression + +.TP +\fB-h\fR +Show usage + +.TP +\fB-p\fR +Show the total number of correct DNS packets, and percentage of -u and +-c values (of the total of matching on the -f filter. if no filter is +given, percentages are on all correct dns packets) + +.TP +\fB-of\fR \fIfile\fR +Write all packets that match the -f flag to file, as pcap data. + +.TP +\fB-ofh\fR \fIfile\fR +Write all packets that match the -f flag to file, in hexadecimal format, +readable by drill. + +.TP +\fB-s\fR +Show possible match names + +.TP +\fB-s\fR \fImatchname\fR +show possible match operators and values for name + +.TP +\fB-sf\fR +Only evaluate packets (in representation format) that match the -f filter. +If no -f was given, evaluate all correct dns packets. + +.TP +\fB-u\fR \fImatchnamelist\fR +Count every occurence of every value of the matchname (for instance, count all packetsizes, see EXAMPLES in ldns-dpa(1) ). + +.TP +\fB-ua\fR +For every matchname in -u, show the average value of all matches. Behaviour for match types that do not have an integer value is undefined. + +.TP +\fB-uac\fR +For every matchname in -u, show the average number of times this value was encountered. + +.TP +\fB-um\fR \fInumber\fR +Only show the results from -u for values that occurred more than times. + +.TP +\fB-v\fR \fIlevel\fR +Set verbosity to level (1-5, 5 being the highest). Mostly used for debugging. + +.TP +\fB-notip\fR \fIfile\fR +Write packets that were not recognized as IP packets to file (as pcap data). + +.TP +\fB-baddns\fR \fIfile\fR +Write dns packets that were too mangled to parse to file (as pcap data). + +.TP +\fB-version\fR +Show version and exit + +.SH LIST AND MATCHES + +A is a comma separated list of match names (use -s to see possible match names). +A is a comma separated list of expressions. + +An expression has the following form: +: () + | + & + + +: + +: + = equal to + != not equal to + > greater than + < lesser than + >= greater than or equal to + <= lesser than or equal to + ~= contains + +See the -s option for possible matchnames, operators and values. + +.SH EXAMPLES + +.TP +ldns-dpa -u packetsize -p test.tr +Count all different packetsizes in test.tr and show the precentages. + +.TP +ldns-dpa -f "edns=1&qr=0" -of edns.tr test.tr +Filter out all edns enable queries in test.tr and put them in edns.tr + +.TP +ldns-dpa -f edns=1 -c tc=1 -u rcode test.tr +For all edns packets, count the number of truncated packets and all their rcodes in test.tr. + +.TP +ldns-dpa -c tc=1,qr=0,qr=1,opcode=QUERY test.tr +For all packets, count the number of truncated packets, the number of packets with qr=0, the number of packets with qr=1 and the number of queries in test.tr. + +.TP +ldns-dpa -u packetsize -ua test.tr +Show all packet sizes and the average packet size per packet. + +.TP +ldns-dpa -u srcaddress -uac test.tr +Show all packet source addresses and the average number of packets sent from this address. + +.TP +sudo tcpdump -i eth0 -s 0 -U -w - port 53 | ldns-dpa -f qr=0 -sf +Print all query packets seen on the specified interface. + + +.SH AUTHOR +Written by Jelte Jansen for NLnetLabs. + +.SH REPORTING BUGS +Report bugs to . + +.SH COPYRIGHT +Copyright (C) 2005 NLnet Labs. This is free software. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. diff --git a/libs/ldns/examples/ldns-dpa.c b/libs/ldns/examples/ldns-dpa.c new file mode 100644 index 0000000000..8d18dd6938 --- /dev/null +++ b/libs/ldns/examples/ldns-dpa.c @@ -0,0 +1,2837 @@ +/* + * ldns-dpa inspects the (udp) DNS packets found in a pcap file + * and provides statistics about them + * + * (C) NLnet Labs 2006 - 2008 + * + * See the file LICENSE for the license + */ +#include "config.h" + +#include + +#ifdef HAVE_PCAP_H +#ifdef HAVE_LIBPCAP + +#ifdef HAVE_NETINET_IP6_H +#include +#endif +#include + +#ifndef IP_OFFMASK +#define IP_OFFMASK 0x1fff +#endif + +int verbosity = 1; + +#define ETHER_HEADER_LENGTH 14 +#define UDP_HEADER_LENGTH 8 +#define IP6_HEADER_LENGTH 40 + +/* some systems don't have this? */ +#ifndef ETHERTYPE_IPV6 +#define ETHERTYPE_IPV6 0x86dd +#endif + +#define MAX_MATCHES 20 +#define MAX_OPERATORS 7 + + +/* global options */ +bool show_filter_matches = false; +size_t total_nr_of_dns_packets = 0; +size_t total_nr_of_filtered_packets = 0; +size_t not_ip_packets = 0; +size_t bad_dns_packets = 0; +size_t arp_packets = 0; +size_t udp_packets = 0; +size_t tcp_packets = 0; +size_t fragmented_packets = 0; +size_t lost_packet_fragments = 0; +FILE *hexdumpfile = NULL; +pcap_dumper_t *dumper = NULL; +pcap_dumper_t *not_ip_dump = NULL; +pcap_dumper_t *bad_dns_dump = NULL; + + +struct +fragment_part { + uint16_t ip_id; + uint8_t data[65536]; + size_t cur_len; +}; + +struct fragment_part *fragment_p; + +/* To add a match, + * - add it to the enum + * - add it to the table_matches const + * - add a handler to value_matches + * - tell in get_string_value() where in the packet the data lies + * - add to parser? + * - add to show_match_ function + */ +enum enum_match_ids { + MATCH_ID, + MATCH_OPCODE, + MATCH_RCODE, + MATCH_PACKETSIZE, + MATCH_QR, + MATCH_TC, + MATCH_AD, + MATCH_CD, + MATCH_RD, + MATCH_EDNS, + MATCH_EDNS_PACKETSIZE, + MATCH_DO, + MATCH_QUESTION_SIZE, + MATCH_ANSWER_SIZE, + MATCH_AUTHORITY_SIZE, + MATCH_ADDITIONAL_SIZE, + MATCH_SRC_ADDRESS, + MATCH_DST_ADDRESS, + MATCH_TIMESTAMP, + MATCH_QUERY, + MATCH_QTYPE, + MATCH_QNAME, + MATCH_ANSWER, + MATCH_AUTHORITY, + MATCH_ADDITIONAL, + MATCH_LAST +}; +typedef enum enum_match_ids match_id; + +enum enum_counter_types { + TYPE_INT, + TYPE_BOOL, + TYPE_OPCODE, + TYPE_RCODE, + TYPE_STRING, + TYPE_TIMESTAMP, + TYPE_ADDRESS, + TYPE_RR, + TYPE_RR_TYPE, + TYPE_LAST +}; +typedef enum enum_counter_types counter_type; + +const ldns_lookup_table lt_types[] = { + {TYPE_INT, "int" }, + {TYPE_BOOL, "bool" }, + {TYPE_OPCODE, "opcode" }, + {TYPE_RCODE, "rcode" }, + {TYPE_STRING, "string" }, + {TYPE_TIMESTAMP, "timestamp" }, + {TYPE_ADDRESS, "address" }, + {TYPE_RR, "rr" }, + { 0, NULL } +}; + +enum enum_type_operators { + OP_EQUAL, + OP_NOTEQUAL, + OP_GREATER, + OP_LESSER, + OP_GREATEREQUAL, + OP_LESSEREQUAL, + OP_CONTAINS, + OP_LAST +}; +typedef enum enum_type_operators type_operator; + +const ldns_lookup_table lt_operators[] = { + { OP_EQUAL, "=" }, + { OP_NOTEQUAL, "!=" }, + { OP_GREATER, ">" }, + { OP_LESSER, "<" }, + { OP_GREATEREQUAL, ">=" }, + { OP_LESSEREQUAL, "<=" }, + { OP_CONTAINS, "~=" }, + { 0, NULL } +}; + +static const char *get_op_str(type_operator op) { + const ldns_lookup_table *lt; + lt = ldns_lookup_by_id((ldns_lookup_table *) lt_operators, op); + if (lt) { + return lt->name; + } else { + fprintf(stderr, "Unknown operator id: %u\n", op); + exit(1); + } +} + +static type_operator +get_op_id(char *op_str) +{ + const ldns_lookup_table *lt; + lt = ldns_lookup_by_name((ldns_lookup_table *) lt_operators, op_str); + if (lt) { + return (type_operator) lt->id; + } else { + fprintf(stderr, "Unknown operator: %s\n", op_str); + exit(1); + } +} + +struct struct_type_operators { + counter_type type; + size_t operator_count; + type_operator operators[10]; +}; +typedef struct struct_type_operators type_operators; + +const type_operators const_type_operators[] = { + { TYPE_INT, 6, { OP_EQUAL, OP_NOTEQUAL, OP_GREATER, OP_LESSER, OP_GREATEREQUAL, OP_LESSEREQUAL, 0, 0, 0, 0 } }, + { TYPE_BOOL, 2, { OP_EQUAL, OP_NOTEQUAL, 0, 0, 0, 0, 0, 0, 0, 0} }, + { TYPE_OPCODE, 2, { OP_EQUAL, OP_NOTEQUAL, 0, 0, 0, 0, 0, 0, 0, 0} }, + { TYPE_RCODE, 2, { OP_EQUAL, OP_NOTEQUAL, 0, 0, 0, 0, 0, 0, 0, 0} }, + { TYPE_STRING, 3, { OP_EQUAL, OP_NOTEQUAL, OP_CONTAINS, 0, 0, 0, 0, 0, 0, 0} }, + { TYPE_TIMESTAMP, 6, { OP_EQUAL, OP_NOTEQUAL, OP_GREATER, OP_LESSER, OP_GREATEREQUAL, OP_LESSEREQUAL, 0, 0, 0, 0 } }, + { TYPE_ADDRESS, 3, { OP_EQUAL, OP_NOTEQUAL, OP_CONTAINS, 0, 0, 0, 0, 0, 0, 0} }, + { TYPE_RR, 3, { OP_EQUAL, OP_NOTEQUAL, OP_CONTAINS, 0, 0, 0, 0, 0, 0, 0} }, + { TYPE_RR_TYPE, 6, { OP_EQUAL, OP_NOTEQUAL, OP_GREATER, OP_LESSER, OP_GREATEREQUAL, OP_LESSEREQUAL, 0, 0, 0, 0 } }, + { 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } } +}; + +const type_operators * +get_type_operators(counter_type type) { + const type_operators *to = const_type_operators; + while (to) { + if (to->type == type) { + return to; + } + to++; + } + return NULL; +} + +struct struct_match_table { + match_id id; + const char *name; + const char *description; + const counter_type type; +}; +typedef struct struct_match_table match_table; + +/* order of entries has been changed after gprof analysis, and reasoning + * about the uses of -u arguments + */ +const match_table matches[] = { + { MATCH_QUERY, "query", "String representation of the query RR", TYPE_RR }, + { MATCH_QTYPE, "qtype", "RR Type of the question RR, if present", TYPE_RR_TYPE }, + { MATCH_QNAME, "qname", "Owner name of the question RR, if present", TYPE_STRING }, + { MATCH_SRC_ADDRESS, "srcaddress", "address the packet was sent from", TYPE_ADDRESS }, + { MATCH_TIMESTAMP, "timestamp", "time the packet was sent", TYPE_TIMESTAMP }, + { MATCH_DST_ADDRESS, "dstaddress", "address the packet was sent to", TYPE_ADDRESS }, + { MATCH_EDNS_PACKETSIZE, "edns-packetsize", "packets size specified in edns rr", TYPE_INT }, + { MATCH_ID, "id", "id of the packet", TYPE_INT }, + { MATCH_OPCODE, "opcode", "opcode of packet (rfc1035)", TYPE_OPCODE }, + { MATCH_RCODE, "rcode", "response code of packet", TYPE_RCODE }, + { MATCH_PACKETSIZE, "packetsize", "size of packet in bytes", TYPE_INT }, + { MATCH_QR, "qr", "value of qr bit", TYPE_BOOL }, + { MATCH_TC, "tc", "value of tc bit", TYPE_BOOL }, + { MATCH_AD, "ad", "value of ad bit", TYPE_BOOL }, + { MATCH_CD, "cd", "value of cd bit", TYPE_BOOL }, + { MATCH_RD, "rd", "value of rd bit", TYPE_BOOL }, + { MATCH_EDNS, "edns", "existence of edns rr", TYPE_BOOL }, + { MATCH_DO, "do", "value of do bit", TYPE_BOOL }, + { MATCH_QUESTION_SIZE, "questionsize", "number of rrs in the question section", TYPE_INT }, + { MATCH_ANSWER_SIZE, "answersize", "number of rrs in the answer section", TYPE_INT }, + { MATCH_AUTHORITY_SIZE, "authoritysize", "number of rrs in the authority section", TYPE_INT }, + { MATCH_ADDITIONAL_SIZE, "additionalsize", "number of rrs in the additional section", TYPE_INT }, + { MATCH_ANSWER, "answer", "String representation of the answer RRs", TYPE_RR }, + { MATCH_AUTHORITY, "authority", "String representation of the authority RRs", TYPE_RR }, + { MATCH_ADDITIONAL, "additional", "String representation of the additional RRs", TYPE_RR }, + { 0, NULL , NULL, TYPE_INT} +}; + +enum enum_match_expression_operators { + MATCH_EXPR_OR, + MATCH_EXPR_AND, + MATCH_EXPR_LEAF +}; +typedef enum enum_match_expression_operators match_expression_operator; + +struct struct_match_operation { + match_id id; + type_operator operator; + char *value; +}; +typedef struct struct_match_operation match_operation; + +typedef struct struct_match_expression match_expression; +struct struct_match_expression { + /* and or or, or leaf (in which case there are no subtrees, but only a match_table */ + match_expression_operator op; + match_expression *left; + match_expression *right; + match_operation *match; + size_t count; +}; + +typedef struct struct_match_counters match_counters; +struct struct_match_counters { +/* + match_expression **counter; + size_t size; +*/ + match_expression *match; + match_counters *left; + match_counters *right; +}; + +match_table * +get_match_by_name(char *name) { + match_table *mt = (match_table *) matches; + if (name) { + while (mt->name != NULL) { + if (strcasecmp(name, mt->name) == 0) { + return mt; + } + mt++; + } + } + return NULL; +} + +static match_table * +get_match_by_id(match_id id) { + match_table *mt = (match_table *) matches; + + while (mt->name != NULL) { + if (mt->id == id) { + return mt; + } + mt++; + } + return NULL; +} + +static const char * +get_match_name_str(match_id id) { + match_table *mt = get_match_by_id(id); + if (mt) { + return mt->name; + } else { + fprintf(stderr, "Unknown match id: %u\n", id); + exit(1); + return "Unknown match id"; + } +} + +static void +print_match_operation(FILE *output, match_operation *mc) +{ + match_table *mt = NULL; + ldns_lookup_table *lt; + struct timeval time; + time_t time_tt; + int value; + size_t pos; + char *tmp, *tmp2; + + if (mc) { + mt = get_match_by_id(mc->id); + + if (mt) { + fprintf(output, "%s %s ",mt->name, get_op_str(mc->operator)); + + switch (mt->type) { + case TYPE_INT: + case TYPE_STRING: + case TYPE_ADDRESS: + case TYPE_RR: + fprintf(output, "'%s'", mc->value); + break; + case TYPE_BOOL: + if (strncmp(mc->value, "1", 2) == 0) { + fprintf(output,"'true'"); + } else { + fprintf(output,"'false'"); + } + break; + case TYPE_OPCODE: + value = atoi(mc->value); + lt = ldns_lookup_by_id(ldns_opcodes, value); + if (lt) { + fprintf(output, "%s", lt->name); + } else { + fprintf(output, "%s", mc->value); + } + break; + case TYPE_RCODE: + value = atoi(mc->value); + lt = ldns_lookup_by_id(ldns_rcodes, value); + if (lt) { + fprintf(output, "%s", lt->name); + } else { + fprintf(output, "%s", mc->value); + } + break; + case TYPE_TIMESTAMP: +#ifndef S_SPLINT_S + time.tv_sec = (long int) atol(mc->value); +#endif + time_tt = (time_t)time.tv_sec; + tmp = ctime(&time_tt); + tmp2 = malloc(strlen(tmp) + 1); + for (pos = 0; pos < strlen(tmp); pos++) { + if (tmp[pos] == '\n') { + tmp2[pos] = '\0'; + } else { + tmp2[pos] = tmp[pos]; + } + } + tmp2[pos] = '\0'; + fprintf(output, "%s", tmp2); + free(tmp2); + break; + default: + fprintf(output, "'%s'", mc->value); + } + + } else { + fprintf(output, "%u %s '%s'", mc->id, get_op_str(mc->operator), mc->value); + } + } else { + fprintf(output, "(nil)"); + } +} + +static void +print_match_expression(FILE *output, match_expression *expr) +{ + if (expr) { + switch (expr->op) { + case MATCH_EXPR_OR: + fprintf(output, "("); + print_match_expression(output, expr->left); + fprintf(output, " | "); + print_match_expression(output, expr->right); + fprintf(output, ")"); + break; + case MATCH_EXPR_AND: + fprintf(output, "("); + print_match_expression(output, expr->left); + fprintf(output, " & "); + print_match_expression(output, expr->right); + fprintf(output, ")"); + break; + case MATCH_EXPR_LEAF: + print_match_operation(output, expr->match); + break; + default: +/* + fprintf(output, "ERROR PRINTING MATCH: unknown op: %u\n", expr->op); + exit(1); +*/ + fprintf(output, "("); +if (expr->left) { + print_match_expression(output, expr->left); +} + fprintf(output, " ? "); +if (expr->right) { + print_match_expression(output, expr->right); +} + fprintf(output, ") _"); +if (expr->match) { + print_match_operation(output, expr->match); +} +fprintf(output, "_"); + } + } else { + printf("(nil)"); + } +} + +static void +print_counters(FILE *output, match_counters *counters, bool show_percentages, size_t total, int count_minimum) +{ + double percentage; + + if (!counters || !output) { + return; + } + + if (counters->left) { + print_counters(output, counters->left, show_percentages, total, count_minimum); + } + if (counters->match) { + if (count_minimum < (int) counters->match->count) { + print_match_expression(output, counters->match); + printf(": %u", (unsigned int) counters->match->count); + if (show_percentages) { + percentage = (double) counters->match->count / (double) total * 100.0; + printf(" (%.2f%%)", percentage); + } + printf("\n"); + } + } + if (counters->right) { + print_counters(output, counters->right, show_percentages, total, count_minimum); + } + + return; +} + +static void +ldns_pkt2file_hex(FILE *fp, const ldns_pkt *pkt) +{ + uint8_t *wire; + size_t size, i; + ldns_status status; + + status = ldns_pkt2wire(&wire, pkt, &size); + + if (status != LDNS_STATUS_OK) { + fprintf(stderr, "Unable to convert packet: error code %u", status); + return; + } + + fprintf(fp, "; 0"); + for (i = 1; i < 20; i++) { + fprintf(fp, " %2u", (unsigned int) i); + } + fprintf(fp, "\n"); + fprintf(fp, ";--"); + for (i = 1; i < 20; i++) { + fprintf(fp, " --"); + } + fprintf(fp, "\n"); + for (i = 0; i < size; i++) { + if (i % 20 == 0 && i > 0) { + fprintf(fp, "\t; %4u-%4u\n", (unsigned int) i-19, (unsigned int) i); + } + fprintf(fp, " %02x", (unsigned int)wire[i]); + } + fprintf(fp, "\n\n"); +} + +/* + * Calculate the total for all match operations with the same id as this one + * (if they are 'under' this one in the tree, which should be the case in + * the unique counter tree + */ +static size_t +calculate_total_value(match_counters *counters, match_operation *cur) +{ + size_t result = 0; + + if (!counters) { + return 0; + } + + if (counters->match->match->id == cur->id) { + result = (size_t) atol(counters->match->match->value) * counters->match->count; + } + + if (counters->left) { + result += calculate_total_value(counters->left, cur); + } + if (counters->right) { + result += calculate_total_value(counters->right, cur); + } + + return result; +} + +static size_t +calculate_total_count_matches(match_counters *counters, match_operation *cur) +{ + size_t result = 0; + + if (!counters) { + return 0; + } + + if (counters->match->match->id == cur->id) { + result = 1; + } + + if (counters->left) { + /* In some cases, you don't want the number of actual + counted matches, for instance when calculating the + average number of queries per second. In this case + you want the number of seconds */ + if (cur->id == MATCH_TIMESTAMP) { + result += (size_t) abs((int) (atol(counters->match->match->value) - atol(counters->left->match->match->value))) - 1; + } + result += calculate_total_count_matches(counters->left, cur); + } + if (counters->right) { + if (cur->id == MATCH_TIMESTAMP) { + result += (size_t) abs((int) (atol(counters->right->match->match->value) - atol(counters->match->match->value))) - 1; + } + result += calculate_total_count_matches(counters->right, cur); + } + + return result; +} + +/** + * Returns true if there is a previous match operation with the given type + * in the counters structure + */ +static bool +has_previous_match(match_counters *counters, match_operation *cur) +{ + if (!counters) { + return false; + } + + if (counters->left) { + if (counters->left->match->match->id == cur->id) { + return true; + } else if (has_previous_match(counters->left, cur)) { + return true; + } else if (counters->left->right) { + if (counters->left->right->match->match->id == cur->id) { + return true; + } else if (has_previous_match(counters->left->right, cur)) { + return true; + } + } + } + return false; +} + +/** + * Returns true if there is a later match operation with the given type + * in the counters structure + */ +static bool +has_next_match(match_counters *counters, match_operation *cur) +{ + if (!counters) { + return false; + } + + if (counters->right) { + if (counters->right->match->match->id == cur->id) { + return true; + } else if (has_next_match(counters->right, cur)) { + return true; + } else if (counters->right->left) { + if (counters->right->left->match->match->id == cur->id) { + return true; + } else if (has_next_match(counters->right->left, cur)) { + return true; + } + } + } + return false; +} + +/** + * Returns the first match with the same type at *cur in + * the counter list, or NULL if it is not found + */ +static match_expression * +get_first_match_expression(match_counters *counters, match_operation *cur) +{ + if (!counters) { + return NULL; + } + + if (has_previous_match(counters, cur)) { + return get_first_match_expression(counters->left, cur); + } else if (counters->match->match->id == cur->id) { + return counters->match; + } else if (counters->right) { + return get_first_match_expression(counters->right, cur); + } else { + return NULL; + } +} + +/** + * Returns the second match expression with the same type at *cur in + * the counter list, or NULL if it is not found + */ +static match_expression * +get_second_match_expression(match_counters *counters, match_operation *cur) +{ + if (!counters) { + return NULL; + } + + if (has_previous_match(counters, cur)) { + if (has_previous_match(counters->left, cur)) { + return get_second_match_expression(counters->left, cur); + } else { + return counters->left->match; + } +/* + } else if (counters->match->match->id == cur->id) { + return counters->match->match->value; +*/ } else if (counters->right) { + return get_first_match_expression(counters->right, cur); + } else { + return NULL; + } +} + +/** + * Returns the last match expression with the same type at *cur in + * the counter list, or NULL if it is not found + */ +static match_expression * +get_last_match_expression(match_counters *counters, match_operation *cur) +{ + if (!counters) { + return NULL; + } + + if (has_next_match(counters, cur)) { + return get_last_match_expression(counters->right, cur); + } else if (counters->match->match->id == cur->id) { + return counters->match; + } else if (counters->left) { + return get_last_match_expression(counters->left, cur); + } else { + return NULL; + } +} + +/** + * Returns the last but one match expression with the same type at *cur in + * the counter list, or NULL if it is not found + */ +static match_expression * +get_last_but_one_match_expression(match_counters *counters, match_operation *cur) +{ + if (!counters) { + return NULL; + } + + if (has_next_match(counters, cur)) { + if (has_next_match(counters->right, cur)) { + return get_last_but_one_match_expression(counters->right, cur); + } else { + return counters->match; + } +/* + } else if (counters->match->match->id == cur->id) { + return counters->match->match->value; +*/ } else if (counters->left) { + return get_last_match_expression(counters->right, cur); + } else { + return NULL; + } +} + +static size_t +get_first_count(match_counters *counters, match_operation *cur) +{ + match_expression *o = get_first_match_expression(counters, cur); + if (o) { + return o->count; + } else { + return 0; + } +} + +static size_t +get_last_count(match_counters *counters, match_operation *cur) +{ + match_expression *o = get_last_match_expression(counters, cur); + if (o) { + return o->count; + } else { + return 0; + } +} + + +static size_t +calculate_total_count(match_counters *counters, match_operation *cur) +{ + size_t result = 0; + + if (!counters) { + return 0; + } + + if (counters->match->match->id == cur->id) { + result = counters->match->count; + } + + if (counters->left) { + result += calculate_total_count(counters->left, cur); + } + if (counters->right) { + result += calculate_total_count(counters->right, cur); + } + + return result; +} + +static void +print_counter_averages(FILE *output, match_counters *counters, match_operation *cur) +{ + size_t total_value; + size_t total_count; + match_table *mt; + + if (!counters || !output) { + return; + } + + if (!cur) { + cur = counters->match->match; + mt = get_match_by_id(cur->id); + total_value = calculate_total_value(counters, cur); + total_count = calculate_total_count(counters, cur); + printf("Average for %s: (%u / %u) %.02f\n", mt->name, (unsigned int) total_value, (unsigned int) total_count, (float) total_value / (float) total_count); + if (counters->left) { + print_counter_averages(output, counters->left, cur); + } + if (counters->right) { + print_counter_averages(output, counters->right, cur); + } + } else { + if (counters->left) { + if (counters->left->match->match->id != cur->id) { + print_counter_averages(output, counters->left, NULL); + } + } + if (counters->right) { + if (counters->right->match->match->id != cur->id) { + print_counter_averages(output, counters->right, NULL); + } + } + } + + return; +} + +static void +print_counter_average_count(FILE *output, match_counters *counters, match_operation *cur, bool remove_first_last) +{ + size_t total_matches; + size_t total_count; + match_table *mt; + + if (!counters || !output) { + return; + } + + if (!cur) { + cur = counters->match->match; + mt = get_match_by_id(cur->id); + total_matches = calculate_total_count_matches(counters, cur); + total_count = calculate_total_count(counters, cur); + /* Remove the first and last for instance for timestamp average counts (half seconds drag down the average) */ + if (remove_first_last) { + total_count -= get_first_count(counters, cur); + total_count -= get_last_count(counters, cur); + printf("Removing first count from average: %u\n", (unsigned int) get_first_count(counters,cur)); + printf("Removing last count from average: %u\n", (unsigned int) get_last_count(counters,cur)); + /* in the case where we count the differences between match values too + * (like with timestamps) we need to subtract from the match count too + */ + if (cur->id == MATCH_TIMESTAMP) { + if (get_first_match_expression(counters, cur) && get_second_match_expression(counters, cur)) { + total_matches -= atol(get_second_match_expression(counters, cur)->match->value) - atol(get_first_match_expression(counters, cur)->match->value); + } + if (get_last_match_expression(counters, cur) && get_last_but_one_match_expression(counters, cur)) { + total_matches -= atol(get_last_match_expression(counters, cur)->match->value) - atol(get_last_but_one_match_expression(counters, cur)->match->value); + } + } else { + total_matches -= 2; + } + } + printf("Average count for %s: (%u / %u) %.02f\n", mt->name, (unsigned int) total_count, (unsigned int) total_matches, (float) total_count / (float) total_matches); + if (counters->left) { + print_counter_averages(output, counters->left, cur); + } + if (counters->right) { + print_counter_averages(output, counters->right, cur); + } + } else { + if (counters->left) { + if (counters->left->match->match->id != cur->id) { + print_counter_averages(output, counters->left, NULL); + } + } + if (counters->right) { + if (counters->right->match->match->id != cur->id) { + print_counter_averages(output, counters->right, NULL); + } + } + } + + return; +} + +static bool +match_int(type_operator operator, + char *value, + char *mvalue) +{ + int a, b; + + if (!value || !mvalue) { + return false; + } + + a = atoi(value); + b = atoi(mvalue); + + switch (operator) { + case OP_EQUAL: + return a == b; + break; + case OP_NOTEQUAL: + return a != b; + break; + case OP_GREATER: + return a > b; + break; + case OP_LESSER: + return a < b; + break; + case OP_GREATEREQUAL: + return a >= b; + break; + case OP_LESSEREQUAL: + return a <= b; + break; + default: + fprintf(stderr, "Unknown operator: %u\n", operator); + exit(2); + } +} + +static bool +match_opcode(type_operator operator, + char *value, + char *mvalue) +{ + ldns_pkt_opcode a, b; + int i; + ldns_lookup_table *lt; + + /* try parse name first, then parse as int */ + lt = ldns_lookup_by_name(ldns_opcodes, value); + if (lt) { + a = lt->id; + } else { + i = atoi(value); + if (i >= 0 && !isdigit(value[0]) == 0) { + lt = ldns_lookup_by_id(ldns_opcodes, i); + if (lt) { + a = lt->id; + } else { + fprintf(stderr, "Unknown opcode: %s\n", value); + exit(1); + return false; + } + } else { + fprintf(stderr, "Unknown opcode: %s\n", value); + exit(1); + return false; + } + } + + lt = ldns_lookup_by_name(ldns_opcodes, mvalue); + if (lt) { + b = lt->id; + } else { + i = atoi(mvalue); + if (i >= 0 && !isdigit(mvalue[0]) == 0) { + lt = ldns_lookup_by_id(ldns_opcodes, i); + if (lt) { + b = lt->id; + } else { + fprintf(stderr, "Unknown opcode: %s\n", mvalue); + exit(1); + return false; + } + } else { + fprintf(stderr, "Unknown opcode: %s\n", mvalue); + exit(1); + return false; + } + } + + switch(operator) { + case OP_EQUAL: + return a == b; + break; + case OP_NOTEQUAL: + return a != b; + break; + default: + fprintf(stderr, "Error bad operator for opcode: %s\n", get_op_str(operator)); + return false; + break; + } +} + +static bool +match_str(type_operator operator, + char *value, + char *mvalue) +{ + char *valuedup, *mvaluedup; + size_t i; + bool result; + + if (operator == OP_CONTAINS) { + /* strcasestr is not C89 + return strcasestr(value, mvalue) != 0; + */ + valuedup = strdup(value); + mvaluedup = strdup(mvalue); + for (i = 0; i < strlen(valuedup); i++) { + valuedup[i] = tolower(valuedup[i]); + } + for (i = 0; i < strlen(mvaluedup); i++) { + mvaluedup[i] = tolower(mvaluedup[i]); + } + result = strstr(valuedup, mvaluedup) != 0; + free(valuedup); + free(mvaluedup); + return result; + } else if (operator == OP_EQUAL) { + return strcmp(value, mvalue) == 0; + } else { + return strcmp(value, mvalue) != 0; + } +} + +static bool +match_rr_type(type_operator operator, + char *value, + char *mvalue) +{ + ldns_rr_type a,b; + + a = ldns_get_rr_type_by_name(value); + b = ldns_get_rr_type_by_name(mvalue); + + switch (operator) { + case OP_EQUAL: + return a == b; + break; + case OP_NOTEQUAL: + return a != b; + break; + case OP_GREATER: + return a > b; + break; + case OP_LESSER: + return a < b; + break; + case OP_GREATEREQUAL: + return a >= b; + break; + case OP_LESSEREQUAL: + return a <= b; + break; + default: + fprintf(stderr, "Unknown operator: %u\n", operator); + exit(2); + } +} + +static bool +match_rcode(type_operator operator, + char *value, + char *mvalue) +{ + int a, b; + int i; + ldns_lookup_table *lt; + + /* try parse name first, then parse as int */ + lt = ldns_lookup_by_name(ldns_rcodes, value); + if (lt) { + a = lt->id; + } else { + i = atoi(value); + if (i >= 0 && !isdigit(value[0]) == 0) { + lt = ldns_lookup_by_id(ldns_rcodes, i); + if (lt) { + a = lt->id; + } else { + fprintf(stderr, "Unknown rcode: %s\n", value); + exit(1); + return false; + } + } else { + fprintf(stderr, "Unknown rcode: %s\n", value); + exit(1); + return false; + } + } + + lt = ldns_lookup_by_name(ldns_rcodes, mvalue); + if (lt) { + b = lt->id; + } else { + i = atoi(mvalue); + + if (i >= 0 && !isdigit(mvalue[0]) == 0) { + lt = ldns_lookup_by_id(ldns_rcodes, i); + if (lt) { + b = lt->id; + } else { + fprintf(stderr, "Unknown rcode: %s\n", mvalue); + exit(1); + return false; + } + } else { + fprintf(stderr, "Unknown rcode: %s\n", mvalue); + exit(1); + return false; + } + } + + switch(operator) { + case OP_EQUAL: + return a == b; + break; + case OP_NOTEQUAL: + return a != b; + break; + default: + fprintf(stderr, "Error bad operator for rcode: %s\n", get_op_str(operator)); + return false; + break; + } +} + +static bool +value_matches(match_id id, + type_operator operator, + char *value, + char *mvalue) +{ + int result; + + if (verbosity >= 5) { + printf("Match %s: %s %s %s: ", get_match_name_str(id), value, get_op_str(operator), mvalue); + } + switch(id) { + case MATCH_OPCODE: + result = match_opcode(operator, value, mvalue); + break; + case MATCH_RCODE: + result = match_rcode(operator, value, mvalue); + break; + case MATCH_ID: + case MATCH_QR: + case MATCH_TC: + case MATCH_AD: + case MATCH_CD: + case MATCH_RD: + case MATCH_DO: + case MATCH_PACKETSIZE: + case MATCH_EDNS: + case MATCH_EDNS_PACKETSIZE: + case MATCH_QUESTION_SIZE: + case MATCH_ANSWER_SIZE: + case MATCH_AUTHORITY_SIZE: + case MATCH_ADDITIONAL_SIZE: + case MATCH_TIMESTAMP: + result = match_int(operator, value, mvalue); + break; + case MATCH_QUERY: + case MATCH_QNAME: + case MATCH_ANSWER: + case MATCH_AUTHORITY: + case MATCH_ADDITIONAL: + result = match_str(operator, value, mvalue); + break; + case MATCH_SRC_ADDRESS: + case MATCH_DST_ADDRESS: + result = match_str(operator, value, mvalue); + break; + case MATCH_QTYPE: + result = match_rr_type(operator, value, mvalue); + break; + default: + fprintf(stderr, "Error: value_matches() for operator %s not implemented yet.\n", get_op_str((type_operator) id)); + exit(3); + } + if (verbosity >= 5) { + if (result) { + printf("true\n"); + } else { + printf("false\n"); + } + } + return result; +} + +static char * +get_string_value(match_id id, ldns_pkt *pkt, ldns_rdf *src_addr, ldns_rdf *dst_addr) +{ + char *val; + match_table *mt; + size_t valsize = 100; + + val = malloc(valsize); + memset(val, 0, valsize); + + switch(id) { + case MATCH_QR: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_qr(pkt)); + break; + case MATCH_ID: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_id(pkt)); + break; + case MATCH_OPCODE: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_get_opcode(pkt)); + break; + case MATCH_RCODE: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_get_rcode(pkt)); + break; + case MATCH_PACKETSIZE: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_size(pkt)); + break; + case MATCH_TC: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_tc(pkt)); + break; + case MATCH_AD: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_ad(pkt)); + break; + case MATCH_CD: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_cd(pkt)); + break; + case MATCH_RD: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_rd(pkt)); + break; + case MATCH_EDNS: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_edns(pkt)); + break; + case MATCH_EDNS_PACKETSIZE: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_edns_udp_size(pkt)); + break; + case MATCH_DO: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_edns_do(pkt)); + break; + case MATCH_QUESTION_SIZE: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_qdcount(pkt)); + break; + case MATCH_ANSWER_SIZE: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_ancount(pkt)); + break; + case MATCH_AUTHORITY_SIZE: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_nscount(pkt)); + break; + case MATCH_ADDITIONAL_SIZE: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_arcount(pkt)); + break; + case MATCH_SRC_ADDRESS: + free(val); + val = ldns_rdf2str(src_addr); + break; + case MATCH_DST_ADDRESS: + free(val); + val = ldns_rdf2str(dst_addr); + break; + case MATCH_TIMESTAMP: + snprintf(val, valsize, "%u", (unsigned int) ldns_pkt_timestamp(pkt).tv_sec); + break; + case MATCH_QUERY: + if (ldns_pkt_qdcount(pkt) > 0) { + free(val); + val = ldns_rr2str(ldns_rr_list_rr(ldns_pkt_question(pkt), 0)); + /* replace \n for nicer printing later */ + if (strchr(val, '\n')) { + *(strchr(val, '\n')) = '\0'; + } + } else { + val[0] = '\0'; + } + break; + case MATCH_QNAME: + if (ldns_pkt_qdcount(pkt) > 0) { + free(val); + val = ldns_rdf2str(ldns_rr_owner(ldns_rr_list_rr(ldns_pkt_question(pkt), 0))); + /* replace \n for nicer printing later */ + if (strchr(val, '\n')) { + *(strchr(val, '\n')) = '\0'; + } + } else { + val[0] = '\0'; + } + break; + case MATCH_QTYPE: + if (ldns_pkt_qdcount(pkt) > 0) { + free(val); + val = ldns_rr_type2str(ldns_rr_get_type(ldns_rr_list_rr(ldns_pkt_question(pkt), 0))); + } else { + val[0] = '\0'; + } + break; + case MATCH_ANSWER: + if (ldns_pkt_ancount(pkt) > 0) { + free(val); + val = ldns_rr_list2str(ldns_pkt_answer(pkt)); + } else { + val[0] = '\0'; + } + break; + case MATCH_AUTHORITY: + if (ldns_pkt_nscount(pkt) > 0) { + free(val); + val = ldns_rr_list2str(ldns_pkt_authority(pkt)); + } else { + val[0] = '\0'; + } + break; + case MATCH_ADDITIONAL: + if (ldns_pkt_arcount(pkt) > 0) { + free(val); + val = ldns_rr_list2str(ldns_pkt_additional(pkt)); + } else { + val[0] = '\0'; + } + break; + default: + mt = get_match_by_id(id); + if (!mt) { + printf("ERROR UNKNOWN MATCH_TABLE ID %u\n", id); + exit(1); + } + printf("Matcher for %s not implemented yet\n", mt->name); + exit(1); + return NULL; + } + + return val; +} + +static bool +match_packet_to_operation(ldns_pkt *pkt, ldns_rdf *src_addr, ldns_rdf *dst_addr, match_operation *operation) +{ + bool result; + char *val; + + if (!pkt || !operation) { + return false; + } else { + val = get_string_value(operation->id, pkt, src_addr, dst_addr); + if (!val) { + return false; + } + result = value_matches(operation->id, operation->operator, val, operation->value); + free(val); + return result; + } +} + +static int +match_operation_compare(const void *a, const void *b) +{ + match_operation *moa, *mob; + match_table *mt; + long ia, ib; + + if (!a) { + return 1; + } else if (!b) { + return -1; + } else { + moa = (match_operation *) a; + mob = (match_operation *) b; + + if (moa->id < mob->id) { + return -1; + } else if (moa->id > mob->id) { + return 1; + } else { + if (moa->operator < mob->operator) { + return -1; + } else if (moa->operator > mob->operator) { + return 1; + } else { + mt = get_match_by_id(moa->id); + if (mt) { + switch (mt->type) { + case TYPE_INT: + case TYPE_TIMESTAMP: + case TYPE_BOOL: + case TYPE_OPCODE: + case TYPE_RCODE: + ia = atol(moa->value); + ib = atol(mob->value); + return ia - ib; + break; + case TYPE_STRING: + case TYPE_ADDRESS: + case TYPE_RR: + default: + return strcmp(moa->value, mob->value); + break; + } + } else { + return strcmp(moa->value, mob->value); + } + } + } + } +} + +static int +match_expression_compare(const void *a, const void *b) +{ + match_expression *mea, *meb; + + if (!a) { + return 1; + } else if (!b) { + return -1; + } else { + mea = (match_expression *) a; + meb = (match_expression *) b; + + if (mea->op < meb->op) { + return -1; + } else if (mea->op > meb->op) { + return 1; + } else { + switch(mea->op) { + case MATCH_EXPR_AND: + case MATCH_EXPR_OR: + if (match_expression_compare(mea->left, meb->left) < 0) { + return -1; + } else if (match_expression_compare(mea->left, meb->left) > 0) { + return 1; + } else { + return match_expression_compare(mea->right, meb->right); + } + break; + case MATCH_EXPR_LEAF: + return match_operation_compare(mea->match, meb->match); + break; + default: + fprintf(stderr, "Unknown Match Expression logic operator: %u\n", mea->op); + exit(1); + } + } + } +} + +/** + * If count is true, and the counter is found, its count is increased by 1 + */ +static int +add_match_counter(match_counters *counters, + match_expression *expr, + bool count) +{ + int cmp; + match_counters *new; + + if (!counters || !expr) { + return -1; + } else { + if (counters->match) { + cmp = match_expression_compare(counters->match, + expr); + if (cmp > 0) { + if (counters->left) { + return add_match_counter(counters->left, + expr, + count); + } else { + new = malloc(sizeof(match_counters)); + new->left = NULL; + new->right = NULL; + new->match = expr; + counters->left = new; + return 0; + } + } else if (cmp < 0) { + if (counters->right) { + return add_match_counter(counters->right, + expr, + count); + } else { + new = malloc(sizeof(match_counters)); + new->left = NULL; + new->right = NULL; + new->match = expr; + counters->right = new; + return 0; + } + } else { + /* already there? */ + if (count) { + counters->match->count++; + } + return 1; + } + } else { + /* shouldn't happen but anyway */ + counters->match = expr; + } + } + return 0; +} + +static bool +match_dns_packet_to_expr(ldns_pkt *pkt, ldns_rdf *src_addr, ldns_rdf *dst_addr, match_expression *expr) +{ + bool result; + + if (!pkt || !expr) { + return false; + } + + switch(expr->op) { + case MATCH_EXPR_OR: + result = (match_dns_packet_to_expr(pkt, src_addr, dst_addr, expr->left) || + match_dns_packet_to_expr(pkt, src_addr, dst_addr, expr->right)); + break; + case MATCH_EXPR_AND: + result = (match_dns_packet_to_expr(pkt, src_addr, dst_addr, expr->left) && + match_dns_packet_to_expr(pkt, src_addr, dst_addr, expr->right)); + break; + case MATCH_EXPR_LEAF: + result = match_packet_to_operation(pkt, src_addr, dst_addr, expr->match); + break; + default: + fprintf(stderr, "Error, unknown expression operator %u\n", expr->op); + fprintf(stderr, "full expression:\n"); + print_match_expression(stderr, expr); + fprintf(stderr, "\n"); + exit(1); + } + + if (result) { + if (verbosity >= 5) { + printf("Found Match:\n"); + print_match_expression(stdout, expr); + printf("\nCount now %u\n", (unsigned int) expr->count); + } + expr->count++; + } + + return result; +} + +static void +free_match_operation(match_operation *operation) +{ + if (operation) { + if (operation->value) { + free(operation->value); + } + free(operation); + } +} + +static void +free_match_expression(match_expression *expr) +{ + if (expr) { + switch(expr->op) { + case MATCH_EXPR_OR: + case MATCH_EXPR_AND: + free_match_expression(expr->left); + free_match_expression(expr->right); + break; + case MATCH_EXPR_LEAF: + free_match_operation(expr->match); + break; + } + free(expr); + } +} + +static void +free_counters(match_counters *counters) +{ + if (counters) { + if (counters->left) { + free_counters(counters->left); + } + if (counters->match) { + free_match_expression(counters->match); + } + if (counters->right) { + free_counters(counters->right); + } + free(counters); + } +} + +static void +match_pkt_counters(ldns_pkt *pkt, ldns_rdf *src_addr, ldns_rdf *dst_addr, match_counters *counts) +{ + if (counts->left) { + match_pkt_counters(pkt, src_addr, dst_addr, counts->left); + } + if (counts->match) { + if (match_dns_packet_to_expr(pkt, src_addr, dst_addr, counts->match)) { +/* + counts->match->count++; +*/ + } + } + if (counts->right) { + match_pkt_counters(pkt, src_addr, dst_addr, counts->right); + } +} + +static void +match_pkt_uniques(ldns_pkt *pkt, ldns_rdf *src_addr, ldns_rdf *dst_addr, match_counters *uniques, match_id unique_ids[], size_t unique_id_count) +{ + match_expression *me; + size_t i; + match_operation *mo; + int add_result; + + for (i = 0; i < unique_id_count; i++) { + mo = malloc(sizeof(match_operation)); + mo->id = unique_ids[i]; + mo->operator = OP_EQUAL; + mo->value = get_string_value(mo->id, pkt, src_addr, dst_addr); + + me = malloc(sizeof(match_expression)); + me->op = MATCH_EXPR_LEAF; + me->left = NULL; + me->right = NULL; + me->match = mo; + me->count = 1; + + add_result = add_match_counter(uniques, me, true); + /* if result=1 it was already found, so delete new one */ + if (add_result == 1) { + free_match_expression(me); + } + } + +#if 0 + size_t i, j; + bool found; + match_expression *me; + match_operation *mo; + + /* get the value, match uniques for that, if not match, add new */ + /* all unique values should be MATCH_EXPR_LEAF */ + found = false; + for (j = 0; j < uniques->size; j++) { + if (uniques->counter[j]->match->id == unique_ids[i]) { + if (match_dns_packet_to_expr(pkt, src_addr, dst_addr, uniques->counter[j])) { + found = true; + } + } + } + if (!found) { + mo = malloc(sizeof(match_operation)); + mo->id = unique_ids[i]; + mo->operator = OP_EQUAL; + mo->value = get_string_value(mo->id, pkt, src_addr, dst_addr); + + me = malloc(sizeof(match_expression)); + me->match = mo; + me->op = MATCH_EXPR_LEAF; + me->left = NULL; + me->right = NULL; + me->count = 1; + + add_counter(uniques, me); + } + } +#endif +} + +static match_expression * +parse_match_expression(char *string) +{ + match_expression *expr; + size_t i,j; + size_t leftstart, leftend = 0; + char *left_str, *op, *val; + match_table *mt; + match_operation *mo = NULL; + const type_operators *tos; + match_expression *result; + ldns_lookup_table *lt = NULL; + + /* remove whitespace */ + char *str = malloc(strlen(string) + 1); + + j = 0; + for (i = 0; i < strlen(string); i++) { + if(!isspace(string[i])) { + str[j] = string[i]; + j++; + } + } + str[j] = '\0'; + + expr = malloc(sizeof(match_expression)); + expr->left = NULL; + expr->right = NULL; + expr->match = NULL; + expr->count = 0; + leftstart = 0; + for (i = 0; i < strlen(str); i++) { + if (str[i] == '&') { + expr->op = MATCH_EXPR_AND; + if (!expr->left) { + left_str = malloc(leftend - leftstart + 2); + strncpy(left_str, &str[leftstart], leftend-leftstart+1); + left_str[leftend - leftstart + 1] = '\0'; + expr->left = parse_match_expression(left_str); + free(left_str); + } + expr->right = parse_match_expression(&str[i+1]); + if (expr->left && expr->right) { + result = expr; + goto done; + } else { + result = NULL; + goto done; + } + } else if (str[i] == '|') { + expr->op = MATCH_EXPR_OR; + if (!expr->left) { + left_str = malloc(leftend - leftstart + 2); + strncpy(left_str, &str[leftstart], leftend-leftstart+1); + left_str[leftend - leftstart + 1] = '\0'; + expr->left = parse_match_expression(left_str); + free(left_str); + } + expr->right = parse_match_expression(&str[i+1]); + expr->count = 0; + if (expr->left && expr->right) { + result = expr; + goto done; + } else { + result = NULL; + goto done; + } + } else if (str[i] == '(') { + leftstart = i + 1; + j = 1; + while (j > 0) { + i++; + if (i > strlen(str)) { + printf("parse error: no closing bracket: %s\n", str); + printf(" "); + for (j = 0; j < leftstart - 1; j++) { + printf(" "); + } + printf("^\n"); + result = NULL; + goto done; + } + if (str[i] == ')') { + j--; + } else if (str[i] == '(') { + j++; + } else { + } + } + leftend = i-1; + left_str = malloc(leftend - leftstart + 1); + strncpy(left_str, &str[leftstart], leftend - leftstart + 1); + expr->left = parse_match_expression(left_str); + free(left_str); + if (i >= strlen(str)-1) { + result = expr->left; + goto done; + } + } else if (str[i] == ')') { + printf("parse error: ) without (\n"); + result = NULL; + goto done; + } else { + leftend = i; + } + } + + /* no operators or hooks left, expr should be of the form + now */ + for (i = 0; i < strlen(str); i++) { + if (str[i] == '=' || + str[i] == '>' || + str[i] == '<' || + str[i] == '!' || + str[i] == '~' + ) { + leftend = i-1; + op = malloc(3); + j = 0; + op[j] = str[i]; + i++; + j++; + + if (i > strlen(str)) { + printf("parse error no right hand side: %s\n", str); + result = NULL; + goto done; + } + if (str[i] == '=' || + str[i] == '>' || + str[i] == '<' || + str[i] == '!' || + str[i] == '~' + ) { + op[j] = str[i]; + i++; + j++; + if (i > strlen(str)) { + printf("parse error no right hand side: %s\n", str); + result = NULL; + goto done; + } + } + op[j] = '\0'; + left_str = malloc(leftend - leftstart + 2); + strncpy(left_str, &str[leftstart], leftend - leftstart + 1); + left_str[leftend - leftstart + 1] = '\0'; + mt = get_match_by_name(left_str); + if (!mt) { + printf("parse error: unknown match name: %s\n", left_str); + result = NULL; + goto done; + } else { + /* check if operator is allowed */ + tos = get_type_operators(mt->type); + for (j = 0; j < tos->operator_count; j++) { + if (get_op_id(op) == tos->operators[j]) { + mo = malloc(sizeof(match_operation)); + mo->id = mt->id; + mo->operator = get_op_id(op); + switch (mt->type) { + case TYPE_BOOL: + val = malloc(2); + if (strncmp(&str[i], "true", 5) == 0 || + strncmp(&str[i], "TRUE", 5) == 0 || + strncmp(&str[i], "True", 5) == 0 || + strncmp(&str[i], "1", 2) == 0 + ) { + val[0] = '1'; + val[1] = '\0'; + } else if (strncmp(&str[i], "false", 5) == 0 || + strncmp(&str[i], "FALSE", 5) == 0 || + strncmp(&str[i], "False", 5) == 0 || + strncmp(&str[i], "0", 2) == 0 + ) { + + val[0] = '0'; + } else { + fprintf(stderr, "Bad value for bool: %s\n", &str[i]); + exit(EXIT_FAILURE); + } + val[1] = '\0'; + break; + case TYPE_RR: + /* convert first so we have the same strings for the same rrs in match_ later */ + /* + qrr = ldns_rr_new_frm_str(&str[i], LDNS_DEFAULT_TTL, NULL); + if (!qrr) { + fprintf(stderr, "Bad value for RR: %s\n", &str[i]); + exit(EXIT_FAILURE); + } + val = ldns_rr2str(qrr); + */ + /* remove \n for readability */ + /* + if (strchr(val, '\n')) { + *(strchr(val, '\n')) = '\0'; + } + ldns_rr_free(qrr); + */ + val = strdup(&str[i]); + break; + case TYPE_OPCODE: + lt = ldns_lookup_by_name(ldns_opcodes, &str[i]); + if (lt) { + val = malloc(4); + snprintf(val, 3, "%u", (unsigned int) lt->id); + } else { + val = strdup(&str[i]); + } + break; + case TYPE_RCODE: + lt = ldns_lookup_by_name(ldns_rcodes, &str[i]); + if (lt) { + val = malloc(4); + snprintf(val, 3, "%u", (unsigned int) lt->id); + } else { + val = strdup(&str[i]); + } + break; + default: + val = strdup(&str[i]); + break; + } + mo->value = val; + } + } + if (!mo) { + printf("parse error: operator %s not allowed for match %s\n", op, left_str); + result = NULL; + goto done; + } + } + free(left_str); + free(op); + expr->match = mo; + expr->op = MATCH_EXPR_LEAF; + result = expr; + goto done; + } + } + + result = NULL; + + done: + free(str); + if (!result) { + free_match_expression(expr); + } + return result; + +} +/* end of matches and counts */ +void +usage(FILE *output) +{ + fprintf(output, "Usage: ldns-dpa [OPTIONS] \n"); + fprintf(output, "Options:\n"); + fprintf(output, "\t-c :\tCount occurrences of matching expressions\n"); + fprintf(output, "\t-f :\tFilter occurrences of matching expressions\n"); + fprintf(output, "\t-h:\t\tshow this help\n"); + fprintf(output, "\t-p:\t\tshow percentage of -u and -c values (of the total of\n\t\t\tmatching on the -f filter. if no filter is given,\n\t\t\tpercentages are on all correct dns packets)\n"); + fprintf(output, "\t-of :\tWrite pcap packets that match the -f flag to file\n"); + fprintf(output, "\t-ofh :\tWrite pcap packets that match the -f flag to file\n\t\tin a hexadecimal format readable by drill\n"); + fprintf(output, "\t-s:\t\tshow possible match names\n"); + fprintf(output, "\t-s :\tshow possible match operators and values for \n"); + fprintf(output, "\t-sf:\t\tPrint packet that match -f. If no -f is given, print\n\t\t\tall dns packets\n"); + fprintf(output, "\t-u :\tCount all occurrences of matchname\n"); + fprintf(output, "\t-ua:\t\tShow average value of every -u matchname\n"); + fprintf(output, "\t-uac:\t\tShow average count of every -u matchname\n"); + fprintf(output, "\t-um :\tOnly show -u results that occured more than number times\n"); + fprintf(output, "\t-v :\tbe more verbose\n"); + fprintf(output, "\t-notip :\tDump pcap packets that were not recognized as\n\t\t\tIP packets to file\n"); + fprintf(output, "\t-baddns :\tDump mangled dns packets to file\n"); + fprintf(output, "\t-version:\tShow the version and exit\n"); + fprintf(output, "\n"); + fprintf(output, "The filename '-' stands for stdin or stdout, so you can use \"-of -\" if you want to pipe the output to another process\n"); + fprintf(output, "\n"); + fprintf(output, "A is a comma separated list of items\n"); + fprintf(output, "\n"); + fprintf(output, "An expression has the following form:\n"); + fprintf(output, ":\t()\n"); + fprintf(output, "\t | \n"); + fprintf(output, "\t & \n"); + fprintf(output, "\t\n"); + fprintf(output, "\n"); + fprintf(output, ":\t \n"); + fprintf(output, "\n"); + fprintf(output, "See the -s option for possible matchnames, operators and values.\n"); +} + +void +show_match_names(char *name) +{ + size_t j; + match_table *mt; + ldns_lookup_table *lt; + const type_operators *tos; + char *str; + size_t i; + + if (name) { + mt = get_match_by_name(name); + if (mt) { + printf("%s:\n", mt->name); + printf("\t%s.\n", mt->description); + printf("\toperators: "); + printf("\t"); + tos = get_type_operators(mt->type); + if (tos) { + for (j = 0; j < tos->operator_count; j++) { + printf("%s ", get_op_str(tos->operators[j])); +/* + lt = ldns_lookup_by_id((ldns_lookup_table *) lt_operators, tos->operators[j]); + if (lt) { + printf("%s ", lt->name); + } else { + printf("? "); + } +*/ + } + } else { + printf("unknown type"); + } + + printf("\n"); + printf("\tValues:\n"); + switch (mt->type) { + case TYPE_INT: + printf("\t\t\n"); + break; + case TYPE_BOOL: + printf("\t\t0\n"); + printf("\t\t1\n"); + printf("\t\ttrue\n"); + printf("\t\tfalse\n"); + break; + case TYPE_OPCODE: + printf("\t\t\n"); + lt = ldns_opcodes; + while (lt->name != NULL) { + printf("\t\t%s\n", lt->name); + lt++; + } + break; + case TYPE_RCODE: + printf("\t\t\n"); + lt = ldns_rcodes; + while (lt->name != NULL) { + printf("\t\t%s\n", lt->name); + lt++; + } + break; + case TYPE_STRING: + printf("\t\t\n"); + break; + case TYPE_TIMESTAMP: + printf("\t\t (seconds since epoch)\n"); + break; + case TYPE_ADDRESS: + printf("\t\t\n"); + break; + case TYPE_RR: + printf("\t\t\n"); + break; + default: + break; + } + } else { + printf("Unknown match name: %s\n", name); + } + } else { + mt = (match_table *) matches; + while (mt->name != NULL) { + str = (char *) mt->name; + printf("%s:", str); + i = strlen(str) + 1; + while (i < 24) { + printf(" "); + i++; + } + printf("%s\n", mt->description); + mt++; + } + } +} + +int +handle_ether_packet(const u_char *data, struct pcap_pkthdr cur_hdr, match_counters *count, match_expression *match_expr, match_counters *uniques, match_id unique_ids[], size_t unique_id_count) +{ + struct ether_header *eptr; + struct ip *iptr; + struct ip6_hdr *ip6_hdr; + int ip_hdr_size; + uint8_t protocol; + size_t data_offset = 0; + ldns_rdf *src_addr, *dst_addr; + uint8_t *ap; + char *astr; + bpf_u_int32 len = cur_hdr.caplen; + struct timeval timestamp; + uint16_t ip_flags; + uint16_t ip_len; + uint16_t ip_id; + uint16_t ip_f_offset; + const u_char *newdata = NULL; +/* +printf("timeval: %u ; %u\n", cur_hdr.ts.tv_sec, cur_hdr.ts.tv_usec); +*/ + + uint8_t *dnspkt; + + ldns_pkt *pkt; + ldns_status status; + + /* lets start with the ether header... */ + eptr = (struct ether_header *) data; + /* Do a couple of checks to see what packet type we have..*/ + if (ntohs (eptr->ether_type) == ETHERTYPE_IP) + { + if (verbosity >= 5) { + printf("Ethernet type hex:%x dec:%u is an IP packet\n", + (unsigned int) ntohs(eptr->ether_type), + (unsigned int) ntohs(eptr->ether_type)); + } + + data_offset = ETHER_HEADER_LENGTH; + iptr = (struct ip *) (data + data_offset); + /* + printf("IP_OFF: %u (%04x) %04x %04x (%d) (%d)\n", iptr->ip_off, iptr->ip_off, IP_MF, IP_DF, iptr->ip_off & 0x4000, iptr->ip_off & 0x2000); + */ + ip_flags = ldns_read_uint16(&(iptr->ip_off)); + ip_id = ldns_read_uint16(&(iptr->ip_id)); + ip_len = ldns_read_uint16(&(iptr->ip_len)); + ip_f_offset = (ip_flags & IP_OFFMASK)*8; + if (ip_flags & IP_MF && ip_f_offset == 0) { + /*printf("First Frag id %u len\n", ip_id, ip_len);*/ + fragment_p->ip_id = ip_id; + memset(fragment_p->data, 0, 65535); + memcpy(fragment_p->data, iptr, ip_len); + fragment_p->cur_len = ip_len + 20; +/* + for (ip_len = 0; ip_len < fragment_p->cur_len; ip_len++) { + if (ip_len > 0 && ip_len % 20 == 0) { + printf("\t; %u - %u\n", ip_len - 19, ip_len); + } + printf("%02x ", fragment_p->data[ip_len]); + } + printf("\t; ??? - %u\n", ip_len); +*/ + return 0; + } else + if (ip_flags & IP_MF && ip_f_offset != 0) { + /*printf("Next frag\n");*/ + if (ip_id == fragment_p->ip_id) { + /*printf("add fragment to current id %u len %u offset %u\n", ip_id, ip_len, ip_f_offset);*/ + memcpy(fragment_p->data + (ip_f_offset) + 20, data+data_offset+20, ip_len - (iptr->ip_hl)*4); + /*printf("COPIED %u\n", ip_len);*/ + fragment_p->cur_len = fragment_p->cur_len + ip_len - 20; + /*printf("cur len now %u\n", fragment_p->cur_len);*/ +/* + for (ip_len = 0; ip_len < fragment_p->cur_len; ip_len++) { + if (ip_len > 0 && ip_len % 20 == 0) { + printf("\t; %u - %u\n", ip_len - 19, ip_len); + } + printf("%02x ", fragment_p->data[ip_len]); + } + printf("\t; ??? - %u\n", ip_len); +*/ + return 0; + } else { + /*printf("Lost fragment %u\n", iptr->ip_id);*/ + lost_packet_fragments++; + return 1; + } + } else + if (!(ip_flags & IP_MF) && ip_f_offset != 0) { + /*printf("Last frag\n");*/ + if (ip_id == fragment_p->ip_id) { + /*printf("add fragment to current id %u len %u offset %u\n", ip_id, ip_len, ip_f_offset);*/ + memcpy(fragment_p->data + ip_f_offset + 20, data+data_offset+20, ip_len - 20); + fragment_p->cur_len = fragment_p->cur_len + ip_len - 20; + iptr = (struct ip *) fragment_p->data; + newdata = malloc(fragment_p->cur_len + data_offset); + if (!newdata) { + printf("Malloc failed, out of mem?\n"); + exit(4); + } + memcpy((char *) newdata, data, data_offset); + memcpy((char *) newdata+data_offset, fragment_p->data, fragment_p->cur_len); + iptr->ip_len = (u_short) ldns_read_uint16(&(fragment_p->cur_len)); + iptr->ip_off = 0; + len = (bpf_u_int32) fragment_p->cur_len; + cur_hdr.caplen = len; + fragment_p->ip_id = 0; + fragmented_packets++; +/* + for (ip_len = 0; ip_len < fragment_p->cur_len; ip_len++) { + if (ip_len > 0 && ip_len % 20 == 0) { + printf("\t; %u - %u\n", ip_len - 19, ip_len); + } + printf("%02x ", fragment_p->data[ip_len]); + } + printf("\t; ??? - %u\n", ip_len); +*/ + } else { + /*printf("Lost fragment %u\n", iptr->ip_id);*/ + lost_packet_fragments++; + return 1; + } + } else { + newdata = data; + } +/* + if (iptr->ip_off & 0x0040) { + printf("Don't fragment\n"); + } +*/ + + /* in_addr portability woes, going manual for now */ + /* ipv4 */ + ap = (uint8_t *) &(iptr->ip_src); + astr = malloc(INET_ADDRSTRLEN); + if (inet_ntop(AF_INET, ap, astr, INET_ADDRSTRLEN)) { + if (ldns_str2rdf_a(&src_addr, astr) == LDNS_STATUS_OK) { + + } + free(astr); + } + ap = (uint8_t *) &(iptr->ip_dst); + astr = malloc(INET_ADDRSTRLEN); + if (inet_ntop(AF_INET, ap, astr, INET_ADDRSTRLEN)) { + if (ldns_str2rdf_a(&dst_addr, astr) == LDNS_STATUS_OK) { + + } + free(astr); + } + + ip_hdr_size = (int) iptr->ip_hl * 4; + protocol = (uint8_t) iptr->ip_p; + + data_offset += ip_hdr_size; + + if (protocol == IPPROTO_UDP) { + udp_packets++; + data_offset += UDP_HEADER_LENGTH; + + dnspkt = (uint8_t *) (newdata + data_offset); + + /*printf("packet starts at byte %u\n", data_offset);*/ + + /*printf("Len: %u\n", len);*/ + + status = ldns_wire2pkt(&pkt, dnspkt, len - data_offset); + + if (status != LDNS_STATUS_OK) { + if (verbosity >= 3) { + printf("No dns packet: %s\n", ldns_get_errorstr_by_id(status)); + } + if (verbosity >= 5) { + for (ip_len = 0; ip_len < len - data_offset; ip_len++) { + if (ip_len > 0 && ip_len % 20 == 0) { + printf("\t; %u - %u\n", (unsigned int) ip_len - 19, (unsigned int) ip_len); + } + printf("%02x ", (unsigned int) dnspkt[ip_len]); + } + printf("\t; ??? - %u\n", (unsigned int) ip_len); + + } + bad_dns_packets++; + if (bad_dns_dump) { + pcap_dump((u_char *)bad_dns_dump, &cur_hdr, newdata); + } + } else { + timestamp.tv_sec = cur_hdr.ts.tv_sec; + timestamp.tv_usec = cur_hdr.ts.tv_usec; + ldns_pkt_set_timestamp(pkt, timestamp); + + if (verbosity >= 4) { + printf("DNS packet\n"); + ldns_pkt_print(stdout, pkt); + printf("\n\n"); + } + + total_nr_of_dns_packets++; + + if (match_expr) { + if (match_dns_packet_to_expr(pkt, src_addr, dst_addr, match_expr)) { + /* if outputfile write */ + if (dumper) { + pcap_dump((u_char *)dumper, &cur_hdr, data); + } + if (hexdumpfile) { + fprintf(hexdumpfile, ";; %u\n", (unsigned int) total_nr_of_dns_packets); + ldns_pkt2file_hex(hexdumpfile, pkt); + } + if (show_filter_matches) { + printf(";; From: "); + ldns_rdf_print(stdout, src_addr); + printf("\n"); + printf(";; To: "); + ldns_rdf_print(stdout, dst_addr); + printf("\n"); + ldns_pkt_print(stdout, pkt); + printf("------------------------------------------------------------\n\n"); + } + } else { + ldns_pkt_free(pkt); + ldns_rdf_deep_free(src_addr); + ldns_rdf_deep_free(dst_addr); + return 0; + } + } else { + if (dumper) { + pcap_dump((u_char *)dumper, &cur_hdr, data); + } + if (hexdumpfile) { + fprintf(hexdumpfile, ";; %u\n", (unsigned int) total_nr_of_dns_packets); + ldns_pkt2file_hex(hexdumpfile, pkt); + } + if (show_filter_matches) { + printf(";; From: "); + ldns_rdf_print(stdout, src_addr); + printf("\n"); + printf(";; To: "); + ldns_rdf_print(stdout, dst_addr); + printf("\n"); + ldns_pkt_print(stdout, pkt); + printf("------------------------------------------------------------\n\n"); + } + } + + /* General counters here */ + total_nr_of_filtered_packets++; + + match_pkt_counters(pkt, src_addr, dst_addr, count); + match_pkt_uniques(pkt, src_addr, dst_addr, uniques, unique_ids, unique_id_count); + + ldns_pkt_free(pkt); + pkt = NULL; + } + ldns_rdf_deep_free(src_addr); + ldns_rdf_deep_free(dst_addr); + + } else if (protocol == IPPROTO_TCP) { + /* tcp packets are skipped */ + tcp_packets++; + } + /* don't have a define for ethertype ipv6 */ + } else if (ntohs (eptr->ether_type) == ETHERTYPE_IPV6) { + /*printf("IPv6!\n");*/ + + + /* copied from ipv4, move this to function? */ + + data_offset = ETHER_HEADER_LENGTH; + ip6_hdr = (struct ip6_hdr *) (data + data_offset); + + newdata = data; + + /* in_addr portability woes, going manual for now */ + /* ipv6 */ + ap = (uint8_t *) &(ip6_hdr->ip6_src); + astr = malloc(INET6_ADDRSTRLEN); + if (inet_ntop(AF_INET6, ap, astr, INET6_ADDRSTRLEN)) { + if (ldns_str2rdf_aaaa(&src_addr, astr) == LDNS_STATUS_OK) { + + } + free(astr); + } + ap = (uint8_t *) &(ip6_hdr->ip6_dst); + astr = malloc(INET6_ADDRSTRLEN); + if (inet_ntop(AF_INET6, ap, astr, INET6_ADDRSTRLEN)) { + if (ldns_str2rdf_aaaa(&dst_addr, astr) == LDNS_STATUS_OK) { + + } + free(astr); + } + + ip_hdr_size = IP6_HEADER_LENGTH; + protocol = (uint8_t) ip6_hdr->ip6_ctlun.ip6_un1.ip6_un1_nxt; + + data_offset += ip_hdr_size; + + if (protocol == IPPROTO_UDP) { + udp_packets++; + /*printf("V6 UDP!\n");*/ + data_offset += UDP_HEADER_LENGTH; + + dnspkt = (uint8_t *) (newdata + data_offset); + + /*printf("Len: %u\n", len);*/ + + status = ldns_wire2pkt(&pkt, dnspkt, len - data_offset); + + if (status != LDNS_STATUS_OK) { + if (verbosity >= 3) { + printf("No dns packet: %s\n", ldns_get_errorstr_by_id(status)); + } + bad_dns_packets++; + if (bad_dns_dump) { + pcap_dump((u_char *)bad_dns_dump, &cur_hdr, newdata); + } + } else { + timestamp.tv_sec = cur_hdr.ts.tv_sec; + timestamp.tv_usec = cur_hdr.ts.tv_usec; + ldns_pkt_set_timestamp(pkt, timestamp); + + if (verbosity >= 4) { + printf("DNS packet\n"); + ldns_pkt_print(stdout, pkt); + printf("\n\n"); + } + + total_nr_of_dns_packets++; + + if (match_expr) { + if (match_dns_packet_to_expr(pkt, src_addr, dst_addr, match_expr)) { + /* if outputfile write */ + if (dumper) { + pcap_dump((u_char *)dumper, &cur_hdr, data); + } + if (show_filter_matches) { + printf(";; From: "); + ldns_rdf_print(stdout, src_addr); + printf("\n"); + printf(";; To: "); + ldns_rdf_print(stdout, dst_addr); + printf("\n"); + ldns_pkt_print(stdout, pkt); + printf("------------------------------------------------------------\n\n"); + } + } else { + ldns_pkt_free(pkt); + ldns_rdf_deep_free(src_addr); + ldns_rdf_deep_free(dst_addr); + return 0; + } + } else { + if (show_filter_matches) { + printf(";; From: "); + ldns_rdf_print(stdout, src_addr); + printf("\n"); + printf(";; To: "); + ldns_rdf_print(stdout, dst_addr); + printf("\n"); + ldns_pkt_print(stdout, pkt); + printf("------------------------------------------------------------\n\n"); + } + } + + /* General counters here */ + total_nr_of_filtered_packets++; + + match_pkt_counters(pkt, src_addr, dst_addr, count); + match_pkt_uniques(pkt, src_addr, dst_addr, uniques, unique_ids, unique_id_count); + + ldns_pkt_free(pkt); + pkt = NULL; + } + ldns_rdf_deep_free(src_addr); + ldns_rdf_deep_free(dst_addr); + + } else if (protocol == IPPROTO_TCP) { + /* tcp packets are skipped */ + tcp_packets++; + } else { + printf("ipv6 unknown next header type: %u\n", (unsigned int) protocol); + } + + + + } else if (ntohs (eptr->ether_type) == ETHERTYPE_ARP) { + if (verbosity >= 5) { + printf("Ethernet type hex:%x dec:%u is an ARP packet\n", + (unsigned int) ntohs(eptr->ether_type), + (unsigned int) ntohs(eptr->ether_type)); + } + arp_packets++; + } else { + printf("Ethernet type %x not IP\n", (unsigned int) ntohs(eptr->ether_type)); + if (verbosity >= 5) { + printf("Ethernet type %x not IP\n", (unsigned int) ntohs(eptr->ether_type)); + } + not_ip_packets++; + if (not_ip_dump) { + pcap_dump((u_char *)not_ip_dump, &cur_hdr, data); + } + } + + return 0; +} + +bool +parse_match_list(match_counters *counters, char *string) +{ + size_t i; + match_expression *expr; +/* match_counter *mc;*/ + size_t lastpos = 0; + char *substring; + + /*printf("Parsing match list: '%s'\n", string);*/ + + for (i = 0; i < strlen(string); i++) { + if (string[i] == ',') { + if (i<2) { + fprintf(stderr, "Matchlist cannot start with ,\n"); + return false; + } else { + substring = malloc(strlen(string)+1); + strncpy(substring, &string[lastpos], i - lastpos + 1); + substring[i - lastpos] = '\0'; + expr = parse_match_expression(substring); + if (!expr) { + return false; + } + free(substring); + /* + if (expr->op != MATCH_EXPR_LEAF) { + fprintf(stderr, "Matchlist can only contain , not a logic expression\n"); + return false; + } + */ + add_match_counter(counters, expr, false); + lastpos = i+1; + } + } + } + substring = malloc(strlen(string) + 1); + strncpy(substring, &string[lastpos], i - lastpos + 1); + substring[i - lastpos] = '\0'; + expr = parse_match_expression(substring); + + if (!expr) { + fprintf(stderr, "Bad match: %s\n", substring); + return false; + } + free(substring); + /* + if (expr->op != MATCH_EXPR_LEAF) { + fprintf(stderr, "Matchlist can only contain , not a logic expression\n"); + return false; + } + */ + add_match_counter(counters, expr, false); + return true; +} + +bool +parse_uniques(match_id ids[], size_t *count, char *string) +{ + size_t i, j, lastpos; + char *str, *strpart; + match_table *mt; + + /*printf("Parsing unique counts: '%s'\n", string);*/ + str = malloc(strlen(string) + 1); + j = 0; + for (i = 0; i < strlen(string); i++) { + if (!isspace(string[i])) { + str[j] = string[i]; + j++; + } + } + str[j] = '\0'; + + lastpos = 0; + for (i = 0; i <= strlen(str); i++) { + if (str[i] == ',' || i >= strlen(str)) { + strpart = malloc(i - lastpos + 1); + strncpy(strpart, &str[lastpos], i - lastpos); + strpart[i - lastpos] = '\0'; + if ((mt = get_match_by_name(strpart))) { + ids[*count] = mt->id; + *count = *count + 1; + } else { + printf("Error parsing match list; unknown match name: %s\n", strpart); + return false; + } + free(strpart); + lastpos = i + 1; + } + } + if (i > lastpos) { + strpart = malloc(i - lastpos + 1); + strncpy(strpart, &str[lastpos], i - lastpos); + strpart[i - lastpos] = '\0'; + if ((mt = get_match_by_name(strpart))) { + ids[*count] = mt->id; + *count = *count + 1; + } else { + printf("Error parsing match list; unknown match name: %s\n", strpart); + return false; + } + free(strpart); + lastpos = i + 1; + } + free(str); + return true; +} + +int main(int argc, char *argv[]) { + + int i; + int status = EXIT_SUCCESS; + match_counters *count = malloc(sizeof(match_counters)); + const char *inputfile = NULL; + char errbuf[PCAP_ERRBUF_SIZE]; + pcap_t *pc = NULL; + const u_char *cur; + struct pcap_pkthdr cur_hdr; + match_expression *expr = NULL; + match_id unique_ids[MAX_MATCHES]; + size_t unique_id_count = 0; /* number of unique counters */ + match_counters *uniques = malloc(sizeof(match_counters)); + char *dumpfile = NULL; + char *hexdumpfilename = NULL; + char *not_ip_dumpfile = NULL; + char *bad_dns_dumpfile = NULL; + + bool show_percentages = false; + bool show_averages = false; + bool show_average_count = false; + int unique_minimum = 0; + + count->left = NULL; + count->match = NULL; + count->right = NULL; + uniques->left = NULL; + uniques->match = NULL; + uniques->right = NULL; + + fragment_p = malloc(sizeof(struct fragment_part)); + fragment_p->ip_id = 0; + fragment_p->cur_len = 0; + + for (i = 1; i < argc; i++) { + + if (strncmp(argv[i], "-baddns", 8) == 0) { + if (i + 1 < argc) { + bad_dns_dumpfile = argv[i + 1]; + i++; + } else { + usage(stderr); + status = EXIT_FAILURE; + goto exit; + } + } else if (strncmp(argv[i], "-notip", 7) == 0) { + if (i + 1 < argc) { + not_ip_dumpfile = argv[i + 1]; + i++; + } else { + usage(stderr); + status = EXIT_FAILURE; + goto exit; + } + } else if (strncmp(argv[i], "-c", 3) == 0) { + if (i + 1 < argc) { + if (!parse_match_list(count, argv[i + 1])) { + status = EXIT_FAILURE; + goto exit; + } + i++; + } else { + usage(stderr); + status = EXIT_FAILURE; + goto exit; + } + } else if (strncmp(argv[i], "-f", 3) == 0) { + if (i + 1 < argc) { + if (expr || strchr(argv[i+1], ',')) { + fprintf(stderr, "You can only specify 1 filter expression.\n"); + status = EXIT_FAILURE; + goto exit; + } + expr = parse_match_expression(argv[i + 1]); + i++; + } else { + usage(stderr); + status = EXIT_FAILURE; + goto exit; + } + } else if (strncmp(argv[i], "-h", 3) == 0) { + usage(stdout); + status = EXIT_SUCCESS; + goto exit; + } else if (strncmp(argv[i], "-p", 3) == 0) { + show_percentages = true; + } else if (strncmp(argv[i], "-of", 4) == 0) { + if (i + 1 < argc) { + dumpfile = argv[i + 1]; + i++; + } else { + usage(stderr); + status = EXIT_FAILURE; + goto exit; + } + } else if (strncmp(argv[i], "-ofh", 5) == 0) { + if (i + 1 < argc) { + hexdumpfilename = argv[i + 1]; + i++; + } else { + usage(stderr); + status = EXIT_FAILURE; + goto exit; + } + } else if (strncmp(argv[i], "-s", 3) == 0) { + if (i + 1 < argc) { + show_match_names(argv[i + 1]); + } else { + show_match_names(NULL); + } + status = EXIT_SUCCESS; + goto exit; + } else if (strncmp(argv[i], "-sf", 4) == 0) { + show_filter_matches = true; + } else if (strncmp(argv[i], "-u", 3) == 0) { + if (i + 1 < argc) { + if (!parse_uniques(unique_ids, &unique_id_count, argv[i + 1])) { + status = EXIT_FAILURE; + goto exit; + } + i++; + } else { + usage(stderr); + status = EXIT_FAILURE; + goto exit; + } + } else if (strcmp("-ua", argv[i]) == 0) { + show_averages = true; + } else if (strcmp("-uac", argv[i]) == 0) { + show_average_count = true; + } else if (strcmp("-um", argv[i]) == 0) { + if (i + 1 < argc) { + unique_minimum = atoi(argv[i+1]); + i++; + } else { + fprintf(stderr, "-um requires an argument"); + usage(stderr); + status = EXIT_FAILURE; + goto exit; + } + } else if (strcmp("-v", argv[i]) == 0) { + i++; + if (i < argc) { + verbosity = atoi(argv[i]); + } + } else if (strcmp("-version", argv[i]) == 0) { + printf("dns packet analyzer, version %s (ldns version %s)\n", LDNS_VERSION, ldns_version()); + goto exit; + } else { + if (inputfile) { + fprintf(stderr, "You can only specify 1 input file\n"); + exit(1); + } + inputfile = argv[i]; + } + } + + if (!inputfile) { + inputfile = "-"; + } + + if (verbosity >= 5) { + printf("Filter:\n"); + print_match_expression(stdout, expr); + printf("\n\n"); + } + + pc = pcap_open_offline(inputfile, errbuf); + + if (!pc) { + if (errno != 0) { + printf("Error opening pcap file %s: %s\n", inputfile, errbuf); + exit(1); + } else { + goto showresult; + } + } + + if (dumpfile) { + dumper = pcap_dump_open(pc, dumpfile); + + if (!dumper) { + printf("Error opening pcap dump file %s: %s\n", dumpfile, errbuf); + exit(1); + } + } + + if (hexdumpfilename) { + if (strncmp(hexdumpfilename, "-", 2) != 0) { + printf("hexdump is file\n"); + hexdumpfile = fopen(hexdumpfilename, "w"); + } else { + printf("hexdump is stdout\n"); + hexdumpfile = stdout; + } + + if (!hexdumpfile) { + printf("Error opening hex dump file %s: %s\n", hexdumpfilename, strerror(errno)); + exit(1); + } + } + + if (not_ip_dumpfile) { + not_ip_dump = pcap_dump_open(pc, not_ip_dumpfile); + if (!not_ip_dump) { + printf("Error opening pcap dump file NOT_IP: %s\n", errbuf); + } + } + if (bad_dns_dumpfile) { + bad_dns_dump = pcap_dump_open(pc, bad_dns_dumpfile); + if (!bad_dns_dump) { + printf("Error opening pcap dump file NOT_IP: %s\n", errbuf); + } + } + + while ((cur = pcap_next(pc, &cur_hdr))) { + if (verbosity >= 5) { + printf("\n\n\n[PKT_HDR] caplen: %u \tlen: %u\n", cur_hdr.caplen, cur_hdr.len); + } + handle_ether_packet(cur, cur_hdr, count, expr, uniques, unique_ids, unique_id_count); + } + + if (not_ip_dump) { + pcap_dump_close(not_ip_dump); + } + + if (bad_dns_dump) { + pcap_dump_close(bad_dns_dump); + } + + if (dumper) { + pcap_dump_close(dumper); + } + + if (hexdumpfile && hexdumpfile != stdout) { + fclose(hexdumpfile); + } + + pcap_close(pc); + + showresult: + if (show_percentages) { + fprintf(stdout, "Packets that are not IP: %u\n", (unsigned int) not_ip_packets); + fprintf(stdout, "bad dns packets: %u\n", (unsigned int) bad_dns_packets); + fprintf(stdout, "arp packets: %u\n", (unsigned int) arp_packets); + fprintf(stdout, "udp packets: %u\n", (unsigned int) udp_packets); + fprintf(stdout, "tcp packets (skipped): %u\n", (unsigned int) tcp_packets); + fprintf(stdout, "reassembled fragmented packets: %u\n", (unsigned int) fragmented_packets); + fprintf(stdout, "packet fragments lost: %u\n", (unsigned int) lost_packet_fragments); + fprintf(stdout, "Total number of DNS packets: %u\n", (unsigned int) total_nr_of_dns_packets); + fprintf(stdout, "Total number of DNS packets after filter: %u\n", (unsigned int) total_nr_of_filtered_packets); + } + if (count->match) { + print_counters(stdout, count, show_percentages, total_nr_of_filtered_packets, 0); + } + if (uniques->match) { + print_counters(stdout, uniques, show_percentages, total_nr_of_filtered_packets, unique_minimum); + if (show_averages) { + print_counter_averages(stdout, uniques, NULL); + } + if (show_average_count) { + print_counter_average_count(stdout, uniques, NULL, true); + } + } + + exit: + + free_match_expression(expr); + free_counters(count); + free_counters(uniques); + + return status; +} + +#else +int main() { + fprintf(stderr, "ldns-dpa was not built because there is no pcap library on this system, or there was no pcap header file at compilation time. Please install pcap and rebuild.\n"); + return 1; +} +#endif +#else +int main() { + fprintf(stderr, "ldns-dpa was not built because there is no pcap library on this system, or there was no pcap header file at compilation time. Please install pcap and rebuild.\n"); + return 1; +} +#endif + + diff --git a/libs/ldns/examples/ldns-key2ds.1 b/libs/ldns/examples/ldns-key2ds.1 new file mode 100644 index 0000000000..6fdbee5f1a --- /dev/null +++ b/libs/ldns/examples/ldns-key2ds.1 @@ -0,0 +1,41 @@ +.TH ldns-key2ds 1 "30 May 2005" +.SH NAME +ldns-key2ds \- transform a DNSKEY RR to a DS RR +.SH SYNOPSIS +.B ldns-key2ds +.IR file + +.SH DESCRIPTION +\fBldns-key2ds\fR is used to transform a public DNSKEY RR to a DS RR. +When run it will read \fIfile\fR with a DNSKEY RR in it and +it will create a .ds file with the DS RR in it. + +It prints out the basename for this file (K++). + +By default it takes a pick of algorithm similar to the key algorithm, +SHA1 for RSASHA1, and so on. + +.SH OPTIONS +.TP +\fB-n\fR +Write the result DS Resource Record to stdout instead of a file + +.TP +\fB-1\fR +Use SHA1 as the hash function. + +.TP +\fB-2\fR +Use SHA256 as the hash function + + +.SH AUTHOR +Written by the ldns team as an example for ldns usage. + +.SH REPORTING BUGS +Report bugs to . + +.SH COPYRIGHT +Copyright (C) 2005 NLnet Labs. This is free software. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. diff --git a/libs/ldns/examples/ldns-key2ds.c b/libs/ldns/examples/ldns-key2ds.c new file mode 100644 index 0000000000..a3e54383ab --- /dev/null +++ b/libs/ldns/examples/ldns-key2ds.c @@ -0,0 +1,199 @@ +/* + * key2ds transforms a public key into its DS + * It (currently) prints out the public key + * + * (c) NLnet Labs, 2005 - 2008 + * See the file LICENSE for the license + */ + +#include "config.h" + +#include + +#include + +static void +usage(FILE *fp, char *prog) { + fprintf(fp, "%s [-fn] [-1|-2] keyfile\n", prog); + fprintf(fp, " Generate a DS RR from the DNSKEYS in keyfile\n"); + fprintf(fp, " The following file will be created: "); + fprintf(fp, "K++.ds\n"); + fprintf(fp, " The base name (K++ will be printed to stdout\n"); + fprintf(fp, "Options:\n"); + fprintf(fp, " -f: ignore SEP flag (i.e. make DS records for any key)\n"); + fprintf(fp, " -n: do not write DS records to file(s) but to stdout\n"); + fprintf(fp, " (default) use similar hash to the key algorithm.\n"); + fprintf(fp, " -1: use SHA1 for the DS hash\n"); + fprintf(fp, " -2: use SHA256 for the DS hash\n"); +#ifdef USE_GOST + fprintf(fp, " -g: use GOST for the DS hash\n"); +#endif +#ifdef USE_ECDSA + fprintf(fp, " -4: use SHA384 for the DS hash\n"); +#endif +} + +static int +is_suitable_dnskey(ldns_rr *rr, int sep_only) +{ + if (!rr || ldns_rr_get_type(rr) != LDNS_RR_TYPE_DNSKEY) { + return 0; + } + return !sep_only || + (ldns_rdf2native_int16(ldns_rr_dnskey_flags(rr)) & + LDNS_KEY_SEP_KEY); +} + +static ldns_hash +suitable_hash(ldns_signing_algorithm algorithm) +{ + switch (algorithm) { + case LDNS_SIGN_RSASHA256: + case LDNS_SIGN_RSASHA512: + return LDNS_SHA256; + case LDNS_SIGN_ECC_GOST: +#ifdef USE_GOST + return LDNS_HASH_GOST; +#else + return LDNS_SHA256; +#endif +#ifdef USE_ECDSA + case LDNS_SIGN_ECDSAP256SHA256: + return LDNS_SHA256; + case LDNS_SIGN_ECDSAP384SHA384: + return LDNS_SHA384; +#endif + default: + return LDNS_SHA1; + } + return LDNS_SHA1; +} + +int +main(int argc, char *argv[]) +{ + FILE *keyfp, *dsfp; + char *keyname; + char *dsname; + char *owner; + ldns_rr *k, *ds; + ldns_signing_algorithm alg; + ldns_hash h; + int similar_hash=1; + char *program = argv[0]; + int nofile = 0; + ldns_rdf *origin = NULL; + ldns_status result = LDNS_STATUS_OK; + int sep_only = 1; + + alg = 0; + h = LDNS_SHA1; + + argv++, argc--; + while (argc && argv[0][0] == '-') { + if (strcmp(argv[0], "-1") == 0) { + h = LDNS_SHA1; + similar_hash = 0; + } + if (strcmp(argv[0], "-2") == 0) { + h = LDNS_SHA256; + similar_hash = 0; + } +#ifdef USE_GOST + if (strcmp(argv[0], "-g") == 0) { + if(!ldns_key_EVP_load_gost_id()) { + fprintf(stderr, "error: libcrypto does not provide GOST\n"); + exit(EXIT_FAILURE); + } + h = LDNS_HASH_GOST; + similar_hash = 0; + } +#endif +#ifdef USE_ECDSA + if (strcmp(argv[0], "-4") == 0) { + h = LDNS_SHA384; + similar_hash = 0; + } +#endif + if (strcmp(argv[0], "-f") == 0) { + sep_only = 0; + } + if (strcmp(argv[0], "-n") == 0) { + nofile=1; + } + argv++, argc--; + } + + if (argc != 1) { + usage(stderr, program); + exit(EXIT_FAILURE); + } + keyname = strdup(argv[0]); + + keyfp = fopen(keyname, "r"); + if (!keyfp) { + fprintf(stderr, "Failed to open public key file %s: %s\n", keyname, + strerror(errno)); + exit(EXIT_FAILURE); + } + + while (result == LDNS_STATUS_OK) { + result = ldns_rr_new_frm_fp(&k, keyfp, 0, &origin, NULL); + while (result == LDNS_STATUS_SYNTAX_ORIGIN || + result == LDNS_STATUS_SYNTAX_TTL || + (result == LDNS_STATUS_OK && !is_suitable_dnskey(k, sep_only)) + ) { + if (result == LDNS_STATUS_OK) { + ldns_rr_free(k); + } + result = ldns_rr_new_frm_fp(&k, keyfp, 0, &origin, NULL); + } + if (result == LDNS_STATUS_SYNTAX_EMPTY) { + /* we're done */ + break; + } + if (result != LDNS_STATUS_OK) { + fprintf(stderr, "Could not read public key from file %s: %s\n", keyname, ldns_get_errorstr_by_id(result)); + exit(EXIT_FAILURE); + } + + owner = ldns_rdf2str(ldns_rr_owner(k)); + alg = ldns_rdf2native_int8(ldns_rr_dnskey_algorithm(k)); + if(similar_hash) + h = suitable_hash(alg); + + ds = ldns_key_rr2ds(k, h); + if (!ds) { + fprintf(stderr, "Conversion to a DS RR failed\n"); + ldns_rr_free(k); + free(owner); + exit(EXIT_FAILURE); + } + + /* print the public key RR to .key */ + dsname = LDNS_XMALLOC(char, strlen(owner) + 16); + snprintf(dsname, strlen(owner) + 15, "K%s+%03u+%05u.ds", owner, alg, (unsigned int) ldns_calc_keytag(k)); + + if (nofile) + ldns_rr_print(stdout,ds); + else { + dsfp = fopen(dsname, "w"); + if (!dsfp) { + fprintf(stderr, "Unable to open %s: %s\n", dsname, strerror(errno)); + exit(EXIT_FAILURE); + } else { + ldns_rr_print(dsfp, ds); + fclose(dsfp); + fprintf(stdout, "K%s+%03u+%05u\n", owner, alg, (unsigned int) ldns_calc_keytag(k)); + } + } + + ldns_rr_free(ds); + ldns_rr_free(k); + free(owner); + LDNS_FREE(dsname); + } + fclose(keyfp); + free(keyname); + exit(EXIT_SUCCESS); +} diff --git a/libs/ldns/examples/ldns-keyfetcher.1 b/libs/ldns/examples/ldns-keyfetcher.1 new file mode 100644 index 0000000000..6ddc14eacf --- /dev/null +++ b/libs/ldns/examples/ldns-keyfetcher.1 @@ -0,0 +1,64 @@ +.TH ldns-keyfetcher 1 "4 Apr 2006" +.SH NAME +ldns-keyfetcher \- retrieve the DNSSEC DNSKEYs for a zone +.SH SYNOPSIS +.B ldns-keyfetcher +[ +.IR OPTIONS +] +.IR DOMAIN + +.SH DESCRIPTION +\fBldns-keyfetcher\fR is used to retrieve the DNSKEYs of a zone. + +First it finds all authoritative nameservers of the zone by tracing it from +the root down. All authoritative nameservers are then queried (using TCP) +for the DNSKEY RRset of the zone apex. If the results are all the same, +the key resource record set is printed. + + +.SH OPTIONS +\fB-4\fR \fI\fR +Only use IPv4 + +\fB-6\fR \fI\fR +Only use IPv6 + +\fB-h\fR \fI\fR +Show a help text and exit + +\fB-i\fR +Insecurer mode; there will only be one query for the DNSKEYS. There will not +be crosschecking of all authoritative nameservers. + +\fB-v\fR \fIverbosity\fR + +Set the verbosity level. The following levels are available: + + 0: default, only print the DNSKEY RRset found, or an error on failure. + 1: Show the nameservers that are queried + 2: Show more info on what is checked + 3: Show the intermediate results (authority and dnskey rrsets) + 4: Print the answer packets that are returned + +\fB-r\fR \fIfile\fR + +Use file as the root hints file, should contain A records in presentation +format. The default is /etc/named.root. You can get this file from +http://www.internic.net/zones/named.root. + +\fB-s\fR \fI\fR +Don't print the keys to stdout, but store them in files. + +The filenames will be of the format K.+.+.key + +.SH AUTHOR +Written by Jelte Jansen for NLnet Labs. + +.SH REPORTING BUGS +Report bugs to . + +.SH COPYRIGHT +Copyright (C) 2006 NLnet Labs. This is free software. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. diff --git a/libs/ldns/examples/ldns-keyfetcher.c b/libs/ldns/examples/ldns-keyfetcher.c new file mode 100644 index 0000000000..c24f5111fe --- /dev/null +++ b/libs/ldns/examples/ldns-keyfetcher.c @@ -0,0 +1,724 @@ +/* + * ldns-keyfetcher retrieves the DNSKEYS for a certain domain + * It traces the authoritatives nameservers down from the root + * And uses TCP, to minimize spoofing danger. + * + * (c) NLnet Labs, 2006 - 2008 + * See the file LICENSE for the license + */ + +#include "config.h" +#include +#include + +int verbosity = 0; +/* 0=use both ip4 and ip6 (default). 1=ip4only. 2=ip6only. */ +uint8_t address_family = 0; +bool store_in_file = false; + +static void +usage(FILE *fp, char *prog) { + fprintf(fp, "%s domain\n", prog); + fprintf(fp, " retrieve the dnskeys for a domain\n"); + fprintf(fp, "Options:\n"); + fprintf(fp, "-4\t\tUse IPv4 only\n"); + fprintf(fp, "-6\t\tUse IPv6 only\n"); + fprintf(fp, "-h\t\tShow this help\n"); + fprintf(fp, "-i\t\tInsecurer mode; don't do checks, just query for the keys\n"); + fprintf(fp, "-r \tUse file to read root hints from\n"); + fprintf(fp, "-s\t\tDon't print the keys but store them in files\n\t\tcalled K.+.+.key\n"); + fprintf(fp, "-v \tVerbosity level (0-5, not verbose-very verbose)\n"); +} + +static ldns_rr_list * +retrieve_dnskeys(ldns_resolver *local_res, ldns_rdf *name, ldns_rr_type t, + ldns_rr_class c, ldns_rr_list *dns_root) +{ + ldns_resolver *res; + ldns_pkt *p; + ldns_rr_list *new_nss_a; + ldns_rr_list *new_nss_aaaa; + ldns_rr_list *final_answer; + ldns_rr_list *new_nss; + ldns_rr_list *ns_addr; + ldns_rr_list *ns_addr2; + uint16_t loop_count; + ldns_rdf *pop; + ldns_status status; + size_t i; + + size_t nss_i; + ldns_rr_list *answer_list = NULL; + ldns_rr_list *authority_list = NULL; + + size_t last_nameserver_count; + ldns_rdf **last_nameservers; + + loop_count = 0; + new_nss_a = NULL; + new_nss_aaaa = NULL; + new_nss = NULL; + ns_addr = NULL; + ns_addr2 = NULL; + final_answer = NULL; + p = ldns_pkt_new(); + res = ldns_resolver_new(); + + if (!p || !res) { + fprintf(stderr, "Memory allocation failed"); + return NULL; + } + + if (verbosity >= 2) { + printf("Finding dnskey data for zone: "); + ldns_rdf_print(stdout, name); + printf("\n\n"); + } + + /* transfer some properties of local_res to res, + * because they were given on the commandline */ + ldns_resolver_set_ip6(res, + ldns_resolver_ip6(local_res)); + ldns_resolver_set_port(res, + ldns_resolver_port(local_res)); + ldns_resolver_set_debug(res, + ldns_resolver_debug(local_res)); + ldns_resolver_set_dnssec(res, + ldns_resolver_dnssec(local_res)); + ldns_resolver_set_fail(res, + ldns_resolver_fail(local_res)); + ldns_resolver_set_usevc(res, + ldns_resolver_usevc(local_res)); + ldns_resolver_set_random(res, + ldns_resolver_random(local_res)); + ldns_resolver_set_recursive(res, false); + + /* setup the root nameserver in the new resolver */ + status = ldns_resolver_push_nameserver_rr_list(res, dns_root); + if (status != LDNS_STATUS_OK) { + fprintf(stderr, "Error setting root nameservers in resolver: %s\n", ldns_get_errorstr_by_id(status)); + return NULL; + } + + ldns_pkt_free(p); + status = ldns_resolver_send(&p, res, name, t, c, 0); + if (status != LDNS_STATUS_OK) { + fprintf(stderr, "Error querying root servers: %s\n", ldns_get_errorstr_by_id(status)); + return NULL; + } + + if (ldns_pkt_get_rcode(p) != LDNS_RCODE_NOERROR) { + printf("Error in packet:\n"); + ldns_pkt_print(stdout, p); + return NULL; + } + + if (verbosity >= 4) { + ldns_pkt_print(stdout, p); + printf("\n\n"); + } + + /* from now on, use TCP */ + ldns_resolver_set_usevc(res, true); + + while(status == LDNS_STATUS_OK && + ldns_pkt_reply_type(p) == LDNS_PACKET_REFERRAL) { + + if (verbosity >= 3) { + printf("This is a delegation!\n\n"); + } + if (address_family == 0 || address_family == 1) { + new_nss_a = ldns_pkt_rr_list_by_type(p, + LDNS_RR_TYPE_A, LDNS_SECTION_ADDITIONAL); + } else { + new_nss_a = ldns_rr_list_new(); + } + if (address_family == 0 || address_family == 2) { + new_nss_aaaa = ldns_pkt_rr_list_by_type(p, + LDNS_RR_TYPE_AAAA, LDNS_SECTION_ADDITIONAL); + } else { + new_nss_aaaa = ldns_rr_list_new(); + } + new_nss = ldns_pkt_rr_list_by_type(p, + LDNS_RR_TYPE_NS, LDNS_SECTION_AUTHORITY); + + /* remove the old nameserver from the resolver */ + while((pop = ldns_resolver_pop_nameserver(res))) { ldns_rdf_deep_free(pop); } + + /* also check for new_nss emptyness */ + + if (!new_nss_aaaa && !new_nss_a) { + /* + * no nameserver found!!! + * try to resolve the names we do got + */ + if (verbosity >= 3) { + printf("Did not get address record for nameserver, doing seperate query.\n"); + } + ns_addr = ldns_rr_list_new(); + for(i = 0; (size_t) i < ldns_rr_list_rr_count(new_nss); i++) { + /* get the name of the nameserver */ + pop = ldns_rr_rdf(ldns_rr_list_rr(new_nss, i), 0); + if (!pop) { + break; + } + + /* retrieve it's addresses */ + ns_addr2 = ldns_get_rr_list_addr_by_name(local_res, pop, c, 0); + if (!ldns_rr_list_cat(ns_addr, ns_addr2)) { + fprintf(stderr, "Internal error adding nameserver address.\n"); + exit(EXIT_FAILURE); + } + ldns_rr_list_free(ns_addr2); + } + + if (ns_addr) { + if (ldns_resolver_push_nameserver_rr_list(res, ns_addr) != + LDNS_STATUS_OK) { + fprintf(stderr, "Error adding new nameservers"); + ldns_pkt_free(p); + return NULL; + } + ldns_rr_list_deep_free(ns_addr); + } else { + ldns_rr_list_print(stdout, ns_addr); + fprintf(stderr, "Could not find the nameserver ip addr; abort"); + ldns_pkt_free(p); + return NULL; + } + } + + /* normally, the first working ns is used, but we need all now, so do it one by one + * if the answer is null, take it from the next resolver + * if the answer is not, compare it to that of the next resolver + * error if different, continue if the same + * if answer list null and no resolvers left die. + */ + + ldns_rr_list_deep_free(answer_list); + ldns_rr_list_deep_free(authority_list); + answer_list = NULL; + authority_list = NULL; + for (nss_i = 0; nss_i < ldns_rr_list_rr_count(new_nss_aaaa); nss_i++) { + while((pop = ldns_resolver_pop_nameserver(res))) { ldns_rdf_deep_free(pop); } + + status = ldns_resolver_push_nameserver(res, ldns_rr_rdf(ldns_rr_list_rr(new_nss_aaaa, nss_i), 0)); + if (status != LDNS_STATUS_OK) { + fprintf(stderr, "Error adding nameserver to resolver: %s\n", ldns_get_errorstr_by_id(status)); + } + + if (verbosity >= 1) { + fprintf(stdout, "Querying nameserver: "); + ldns_rdf_print(stdout, ldns_rr_owner(ldns_rr_list_rr(new_nss_aaaa, nss_i))); + fprintf(stdout, " ("); + ldns_rdf_print(stdout, ldns_rr_rdf(ldns_rr_list_rr(new_nss_aaaa, nss_i), 0)); + fprintf(stdout, ")\n"); + } + status = ldns_resolver_push_nameserver(res, ldns_rr_rdf(ldns_rr_list_rr(new_nss_aaaa, nss_i), 0)); + if (status != LDNS_STATUS_OK) { + fprintf(stderr, "Error adding nameserver to resolver: %s\n", ldns_get_errorstr_by_id(status)); + } + + ldns_pkt_free(p); + status = ldns_resolver_send(&p, res, name, t, c, 0); + if (status == LDNS_STATUS_OK && p) { + if (ldns_pkt_get_rcode(p) != LDNS_RCODE_NOERROR) { + printf("Error in packet:\n"); + ldns_pkt_print(stdout, p); + return NULL; + } + + if (verbosity >= 4) { + ldns_pkt_print(stdout, p); + printf("\n\n"); + } + + if (answer_list) { + if (verbosity >= 2) { + printf("Comparing answer list of answer to previous\n\n"); + } + ldns_rr_list_sort(ldns_pkt_answer(p)); + ldns_rr_list_sort(answer_list); + if (ldns_rr_list_compare(answer_list, ldns_pkt_answer(p)) != 0) { + fprintf(stderr, "ERROR: different answer answer from nameserver\n"); + fprintf(stderr, "\nI had (from previous servers):\n"); + ldns_rr_list_print(stderr, answer_list); + fprintf(stderr, "\nI received (from nameserver at "); + ldns_rdf_print(stderr, ldns_resolver_nameservers(res)[0]); + fprintf(stderr, "):\n"); + ldns_rr_list_print(stderr, ldns_pkt_answer(p)); + exit(EXIT_FAILURE); + } + } else { + answer_list = ldns_rr_list_clone(ldns_pkt_answer(p)); + ldns_rr_list_sort(answer_list); + if (verbosity >= 2) { + printf("First answer list for this set, nothing to compare with\n\n"); + } + } + if (authority_list) { + if (verbosity >= 2) { + printf("Comparing authority list of answer to previous\n\n"); + } + ldns_rr_list_sort(ldns_pkt_authority(p)); + ldns_rr_list_sort(authority_list); + if (ldns_rr_list_compare(authority_list, ldns_pkt_authority(p)) != 0) { + fprintf(stderr, "ERROR: different authority answer from nameserver\n"); + fprintf(stderr, "\nI had (from previous servers):\n"); + ldns_rr_list_print(stderr, authority_list); + fprintf(stderr, "\nI received (from nameserver at "); + ldns_rdf_print(stderr, ldns_resolver_nameservers(res)[0]); + fprintf(stderr, "):\n"); + ldns_rr_list_print(stderr, ldns_pkt_authority(p)); + exit(EXIT_FAILURE); + } + } else { + authority_list = ldns_rr_list_clone(ldns_pkt_authority(p)); + ldns_rr_list_sort(authority_list); + if (verbosity >= 2) { + printf("First authority list for this set, nothing to compare with\n\n"); + } + if (verbosity >= 3) { + printf("NS RRset:\n"); + ldns_rr_list_print(stdout, authority_list); + printf("\n"); + } + } + } + } + + ldns_rr_list_deep_free(answer_list); + ldns_rr_list_deep_free(authority_list); + answer_list = NULL; + authority_list = NULL; + for (nss_i = 0; nss_i < ldns_rr_list_rr_count(new_nss_a); nss_i++) { + + while((pop = ldns_resolver_pop_nameserver(res))) {ldns_rdf_deep_free(pop); } + + if (verbosity >= 1) { + fprintf(stdout, "Querying nameserver: "); + ldns_rdf_print(stdout, ldns_rr_owner(ldns_rr_list_rr(new_nss_a, nss_i))); + fprintf(stdout, " ("); + ldns_rdf_print(stdout, ldns_rr_rdf(ldns_rr_list_rr(new_nss_a, nss_i), 0)); + fprintf(stdout, ")\n"); + } + status = ldns_resolver_push_nameserver(res, ldns_rr_rdf(ldns_rr_list_rr(new_nss_a, nss_i), 0)); + if (status != LDNS_STATUS_OK) { + fprintf(stderr, "Error adding nameserver to resolver: %s\n", ldns_get_errorstr_by_id(status)); + } + + ldns_pkt_free(p); + status = ldns_resolver_send(&p, res, name, t, c, 0); + + if (status == LDNS_STATUS_OK) { + if (ldns_pkt_get_rcode(p) != LDNS_RCODE_NOERROR) { + printf("Error in packet:\n"); + ldns_pkt_print(stdout, p); + return NULL; + } + + if (verbosity >= 4) { + ldns_pkt_print(stdout, p); + printf("\n\n"); + } + + if (answer_list) { + if (verbosity >= 2) { + printf("Comparing answer list of answer to previous\n\n"); + } + ldns_rr_list_sort(ldns_pkt_answer(p)); + ldns_rr_list_sort(answer_list); + if (ldns_rr_list_compare(answer_list, ldns_pkt_answer(p)) != 0) { + fprintf(stderr, "ERROR: different answer answer from nameserver\n"); + fprintf(stderr, "\nI had (from previous servers):\n"); + ldns_rr_list_print(stderr, answer_list); + fprintf(stderr, "\nI received (from nameserver at "); + ldns_rdf_print(stderr, ldns_resolver_nameservers(res)[0]); + fprintf(stderr, "):\n"); + ldns_rr_list_print(stderr, ldns_pkt_answer(p)); + exit(EXIT_FAILURE); + } + } else { + if (verbosity >= 2) { + printf("First answer list for this set, nothing to compare with\n\n"); + } + answer_list = ldns_rr_list_clone(ldns_pkt_answer(p)); + ldns_rr_list_sort(answer_list); + } + if (authority_list) { + if (verbosity >= 2) { + printf("Comparing authority list of answer to previous\n\n"); + } + ldns_rr_list_sort(ldns_pkt_authority(p)); + ldns_rr_list_sort(authority_list); + if (ldns_rr_list_compare(authority_list, ldns_pkt_authority(p)) != 0) { + fprintf(stderr, "ERROR: different authority answer from nameserver\n"); + fprintf(stderr, "\nI had (from previous servers):\n"); + ldns_rr_list_print(stderr, authority_list); + fprintf(stderr, "\nI received (from nameserver at "); + ldns_rdf_print(stderr, ldns_resolver_nameservers(res)[0]); + fprintf(stderr, "):\n"); + ldns_rr_list_print(stderr, ldns_pkt_authority(p)); + exit(EXIT_FAILURE); + } + } else { + if (verbosity >= 2) { + printf("First authority list for this set, nothing to compare with\n\n"); + } + authority_list = ldns_rr_list_clone(ldns_pkt_authority(p)); + ldns_rr_list_sort(authority_list); + if (verbosity >= 3) { + printf("NS RRset:\n"); + ldns_rr_list_print(stdout, authority_list); + printf("\n"); + } + } + } + } + ldns_rr_list_deep_free(authority_list); + authority_list = NULL; + + if (loop_count++ > 20) { + /* unlikely that we are doing something usefull */ + fprintf(stderr, "Looks like we are looping"); + ldns_pkt_free(p); + return NULL; + } + + ldns_pkt_free(p); + + if (verbosity >= 3) { + fprintf(stdout, "This level ok. Continuing to next.\n\n"); + } + + status = ldns_resolver_send(&p, res, name, t, c, 0); + + if (status != LDNS_STATUS_OK) { + fprintf(stderr, "Error querying root servers: %s\n", ldns_get_errorstr_by_id(status)); + return NULL; + } + + if (ldns_pkt_get_rcode(p) != LDNS_RCODE_NOERROR) { + printf("Error in packet:\n"); + ldns_pkt_print(stdout, p); + return NULL; + } + + if (verbosity >= 4) { + ldns_pkt_print(stdout, p); + printf("\n\n"); + } + + + ldns_rr_list_deep_free(new_nss_aaaa); + ldns_rr_list_deep_free(new_nss_a); + ldns_rr_list_deep_free(new_nss); + new_nss_aaaa = NULL; + new_nss_a = NULL; + ns_addr = NULL; + } + + ldns_rr_list_deep_free(answer_list); + answer_list = NULL; + /* clone the nameserver list, we are going to handle them one by one */ + last_nameserver_count = 0; + last_nameservers = LDNS_XMALLOC(ldns_rdf *, ldns_resolver_nameserver_count(res)); + + pop = NULL; + while((pop = ldns_resolver_pop_nameserver(res))) { + last_nameservers[last_nameserver_count] = pop; + last_nameserver_count++; + } + + for (nss_i = 0; nss_i < last_nameserver_count; nss_i++) { + /* remove previous nameserver */ + while((pop = ldns_resolver_pop_nameserver(res))) { ldns_rdf_deep_free(pop); } + + if (verbosity >= 1) { + printf("Querying nameserver: "); + ldns_rdf_print(stdout, last_nameservers[nss_i]); + printf("\n"); + } + status = ldns_resolver_push_nameserver(res, last_nameservers[nss_i]); + if (status != LDNS_STATUS_OK) { + fprintf(stderr, "Error adding nameserver to resolver: %s\n", ldns_get_errorstr_by_id(status)); + } + + ldns_pkt_free(p); + status = ldns_resolver_send(&p, res, name, t, c, 0); + + if (!p) { + fprintf(stderr, "no packet received\n"); + return NULL; + } + + if (status == LDNS_STATUS_RES_NO_NS) { + fprintf(stderr, "Error: nameserver at "); + ldns_rdf_print(stderr, last_nameservers[nss_i]); + fprintf(stderr, " not responding. Unable to check RRset here, aborting.\n"); + return NULL; + } + + if (ldns_pkt_get_rcode(p) != LDNS_RCODE_NOERROR) { + printf("Error in packet:\n"); + ldns_pkt_print(stdout, p); + return NULL; + } + + if (answer_list) { + if (verbosity >= 2) { + printf("1Comparing answer rr list of answer to previous\n"); + } + ldns_rr_list_sort(ldns_pkt_answer(p)); + ldns_rr_list_sort(answer_list); + if (ldns_rr_list_compare(answer_list, ldns_pkt_answer(p)) != 0) { + printf("ERROR: different answer section in response from nameserver\n"); + fprintf(stderr, "\nI had:\n"); + ldns_rr_list_print(stderr, answer_list); + fprintf(stderr, "\nI received (from nameserver at "); + ldns_rdf_print(stderr, ldns_resolver_nameservers(res)[0]); + fprintf(stderr, "):\n"); + ldns_rr_list_print(stderr, ldns_pkt_answer(p)); + exit(EXIT_FAILURE); + } + } else { + if (verbosity >= 2) { + printf("First answer rr list for this set, nothing to compare with\n"); + } + answer_list = ldns_rr_list_clone(ldns_pkt_answer(p)); + if (verbosity >= 3) { + printf("DNSKEY RRset:\n"); + ldns_rr_list_print(stdout, answer_list); + } + } + + } + + for (nss_i = 0; nss_i < last_nameserver_count; nss_i++) { + ldns_rdf_deep_free(last_nameservers[nss_i]); + } + LDNS_FREE(last_nameservers); + ldns_resolver_deep_free(res); + ldns_pkt_free(p); + return answer_list; +} + + +/* + * The file with the given path should contain a list of NS RRs + * for the root zone and A records for those NS RRs. + * Read them, check them, and append the a records to the rr list given. + */ +ldns_rr_list * +read_root_hints(const char *filename) +{ + FILE *fp = NULL; + int line_nr = 0; + ldns_zone *z; + ldns_status status; + ldns_rr_list *addresses = NULL; + ldns_rr *rr; + size_t i; + + fp = fopen(filename, "r"); + if (!fp) { + fprintf(stderr, "Unable to open %s for reading: %s\n", filename, strerror(errno)); + return NULL; + } + + status = ldns_zone_new_frm_fp_l(&z, fp, NULL, 0, 0, &line_nr); + fclose(fp); + if (status != LDNS_STATUS_OK) { + fprintf(stderr, "Error reading root hints file: %s\n", ldns_get_errorstr_by_id(status)); + return NULL; + } else { + addresses = ldns_rr_list_new(); + for (i = 0; i < ldns_rr_list_rr_count(ldns_zone_rrs(z)); i++) { + rr = ldns_rr_list_rr(ldns_zone_rrs(z), i); + if ((address_family == 0 || address_family == 1) && + ldns_rr_get_type(rr) == LDNS_RR_TYPE_A ) { + ldns_rr_list_push_rr(addresses, ldns_rr_clone(rr)); + } + if ((address_family == 0 || address_family == 2) && + ldns_rr_get_type(rr) == LDNS_RR_TYPE_AAAA) { + ldns_rr_list_push_rr(addresses, ldns_rr_clone(rr)); + } + } + ldns_zone_deep_free(z); + return addresses; + } +} + + +int +main(int argc, char *argv[]) +{ + ldns_resolver *res; + ldns_rdf *ns; + ldns_rdf *domain; + ldns_rr_list *l = NULL; + + ldns_rr_list *dns_root = NULL; + const char *root_file = "/etc/named.root"; + + ldns_status status; + + int i; + + char *domain_str; + char *outputfile_str; + ldns_buffer *outputfile_buffer; + FILE *outputfile; + ldns_rr *k; + + bool insecure = false; + ldns_pkt *pkt; + + domain = NULL; + res = NULL; + + if (argc < 2) { + usage(stdout, argv[0]); + exit(EXIT_FAILURE); + } else { + for (i = 1; i < argc; i++) { + if (strncmp("-4", argv[i], 3) == 0) { + if (address_family != 0) { + fprintf(stderr, "Options -4 and -6 cannot be specified at the same time\n"); + exit(EXIT_FAILURE); + } + address_family = 1; + } else if (strncmp("-6", argv[i], 3) == 0) { + if (address_family != 0) { + fprintf(stderr, "Options -4 and -6 cannot be specified at the same time\n"); + exit(EXIT_FAILURE); + } + address_family = 2; + } else if (strncmp("-h", argv[i], 3) == 0) { + usage(stdout, argv[0]); + exit(EXIT_SUCCESS); + } else if (strncmp("-i", argv[i], 2) == 0) { + insecure = true; + } else if (strncmp("-r", argv[i], 2) == 0) { + if (strlen(argv[i]) > 2) { + root_file = argv[i]+2; + } else if (i+1 >= argc) { + usage(stdout, argv[0]); + exit(EXIT_FAILURE); + } else { + root_file = argv[i+1]; + i++; + } + } else if (strncmp("-s", argv[i], 3) == 0) { + store_in_file = true; + } else if (strncmp("-v", argv[i], 2) == 0) { + if (strlen(argv[i]) > 2) { + verbosity = atoi(argv[i]+2); + } else if (i+1 > argc) { + usage(stdout, argv[0]); + exit(EXIT_FAILURE); + } else { + verbosity = atoi(argv[i+1]); + i++; + } + } else { + /* create a rdf from the command line arg */ + if (domain) { + fprintf(stdout, "You can only specify one domain at a time\n"); + exit(EXIT_FAILURE); + } + + domain = ldns_dname_new_frm_str(argv[i]); + } + + } + if (!domain) { + usage(stdout, argv[0]); + exit(EXIT_FAILURE); + } + } + + dns_root = read_root_hints(root_file); + if (!dns_root) { + fprintf(stderr, "cannot read the root hints file\n"); + exit(EXIT_FAILURE); + } + + /* create a new resolver from /etc/resolv.conf */ + status = ldns_resolver_new_frm_file(&res, NULL); + + if (status != LDNS_STATUS_OK) { + fprintf(stderr, "Warning: Unable to create stub resolver from /etc/resolv.conf:\n"); + fprintf(stderr, "%s\n", ldns_get_errorstr_by_id(status)); + fprintf(stderr, "defaulting to nameserver at 127.0.0.1 for separate nameserver name lookups\n"); + res = ldns_resolver_new(); + ns = ldns_rdf_new_frm_str(LDNS_RDF_TYPE_A, "127.0.0.1"); + status = ldns_resolver_push_nameserver(res, ns); + if (status != LDNS_STATUS_OK) { + fprintf(stderr, "Unable to create stub resolver: %s\n", ldns_get_errorstr_by_id(status)); + exit(EXIT_FAILURE); + } + ldns_rdf_deep_free(ns); + } + + ldns_resolver_set_ip6(res, address_family); + + if (insecure) { + pkt = ldns_resolver_query(res, domain, LDNS_RR_TYPE_DNSKEY, LDNS_RR_CLASS_IN, LDNS_RD); + if (pkt) { + l = ldns_pkt_rr_list_by_type(pkt, LDNS_RR_TYPE_DNSKEY, LDNS_SECTION_ANY_NOQUESTION); + } + } else { + l = retrieve_dnskeys(res, domain, LDNS_RR_TYPE_DNSKEY, LDNS_RR_CLASS_IN, dns_root); + } + + /* separator for result data and verbosity data */ + if (verbosity > 0) { + fprintf(stdout, "; ---------------------------\n"); + fprintf(stdout, "; Got the following keys:\n"); + } + if (l) { + if (store_in_file) { + /* create filename: + * K.+.+.key + */ + for (i = 0; (size_t) i < ldns_rr_list_rr_count(l); i++) { + k = ldns_rr_list_rr(l, (size_t) i); + + outputfile_buffer = ldns_buffer_new(300); + domain_str = ldns_rdf2str(ldns_rr_owner(k)); + ldns_buffer_printf(outputfile_buffer, "K%s+%03u+%05u.key", domain_str, ldns_rdf2native_int8(ldns_rr_rdf(k, 2)), + (unsigned int) ldns_calc_keytag(k)); + outputfile_str = ldns_buffer_export(outputfile_buffer); + + if (verbosity >= 1) { + fprintf(stdout, "Writing key to file %s\n", outputfile_str); + } + + outputfile = fopen(outputfile_str, "w"); + if (!outputfile) { + fprintf(stderr, "Error writing key to file %s: %s\n", outputfile_str, strerror(errno)); + } else { + ldns_rr_print(outputfile, k); + fclose(outputfile); + } + + LDNS_FREE(domain_str); + LDNS_FREE(outputfile_str); + LDNS_FREE(outputfile_buffer); + } + } else { + ldns_rr_list_print(stdout, l); + } + } else { + fprintf(stderr, "no answer packet received, stub resolver config:\n"); + ldns_resolver_print(stderr, res); + } + printf("\n"); + + ldns_rdf_deep_free(domain); + ldns_resolver_deep_free(res); + ldns_rr_list_deep_free(l); + ldns_rr_list_deep_free(dns_root); + return EXIT_SUCCESS; +} diff --git a/libs/ldns/examples/ldns-keygen.1 b/libs/ldns/examples/ldns-keygen.1 new file mode 100644 index 0000000000..36124d52a4 --- /dev/null +++ b/libs/ldns/examples/ldns-keygen.1 @@ -0,0 +1,53 @@ +.TH ldns-keygen 1 "27 May 2008" +.SH NAME +ldns-keygen \- generate a DNSSEC key pair +.SH SYNOPSIS +.B ldns-keygen +[ +.IR OPTION +] +.IR DOMAIN + +.SH DESCRIPTION +\fBldns-keygen\fR is used to generate a private/public keypair. When run, it +will create 3 files; a .key file with the public DNSKEY, a .private +file with the private keydata and a .ds with the DS record of the +DNSKEY record. + +It prints out the basename for these files: K++ + +.SH OPTIONS +.TP +\fB-a \fI\fR +Create a key with this algorithm. Specifying 'list' here gives a list of supported algorithms. +Several alias names are also accepted (from older versions and other software), +the list gives names from the RFC. Also the plain algo number is accepted. + +.TP +\fB-b \fI\fR +Use this many bits for the key length. + +.TP +\fB-k\fR +When given, generate a key signing key. This just sets the flag field to +257 instead of 256 in the DNSKEY RR in the .key file. + +.TP +\fB-r \fIdevice\fR +Make ldns-keygen use this file to seed the random generator with. This will +default to /dev/random. + +.TP +\fB-v\fR +Show the version and exit + +.SH AUTHOR +Written by the ldns team as an example for ldns usage. + +.SH REPORTING BUGS +Report bugs to . + +.SH COPYRIGHT +Copyright (C) 2005-2008 NLnet Labs. This is free software. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. diff --git a/libs/ldns/examples/ldns-keygen.c b/libs/ldns/examples/ldns-keygen.c new file mode 100644 index 0000000000..576541790c --- /dev/null +++ b/libs/ldns/examples/ldns-keygen.c @@ -0,0 +1,307 @@ +/* + * keygen is a small programs that generate a dnskey and private key + * for a particular domain. + * + * (c) NLnet Labs, 2005 - 2008 + * See the file LICENSE for the license + */ + +#include "config.h" + +#include + +#include + +#ifdef HAVE_SSL +static void +usage(FILE *fp, char *prog) { + fprintf(fp, "%s -a [-b bits] [-r /dev/random] [-v] domain\n", + prog); + fprintf(fp, " generate a new key pair for domain\n"); + fprintf(fp, " -a \tuse the specified algorithm (-a list to"); + fprintf(fp, " show a list)\n"); + fprintf(fp, " -k\t\tset the flags to 257; key signing key\n"); + fprintf(fp, " -b \tspecify the keylength\n"); + fprintf(fp, " -r \tspecify a random device (defaults to /dev/random)\n"); + fprintf(fp, "\t\tto seed the random generator with\n"); + fprintf(fp, " -v\t\tshow the version and exit\n"); + fprintf(fp, " The following files will be created:\n"); + fprintf(fp, " K++.key\tPublic key in RR format\n"); + fprintf(fp, " K++.private\tPrivate key in key format\n"); + fprintf(fp, " K++.ds\tDS in RR format (only for DNSSEC keys)\n"); + fprintf(fp, " The base name (K++ will be printed to stdout\n"); +} + +static void +show_algorithms(FILE *out) +{ + ldns_lookup_table *lt = ldns_signing_algorithms; + fprintf(out, "Possible algorithms:\n"); + + while (lt->name) { + fprintf(out, "%s\n", lt->name); + lt++; + } +} + +int +main(int argc, char *argv[]) +{ + int c; + char *prog; + + /* default key size */ + uint16_t def_bits = 1024; + uint16_t bits = def_bits; + bool ksk; + + FILE *file; + FILE *random; + char *filename; + char *owner; + + ldns_signing_algorithm algorithm; + ldns_rdf *domain; + ldns_rr *pubkey; + ldns_key *key; + ldns_rr *ds; + + prog = strdup(argv[0]); + algorithm = 0; + random = NULL; + ksk = false; /* don't create a ksk per default */ + + while ((c = getopt(argc, argv, "a:kb:r:v25")) != -1) { + switch (c) { + case 'a': + if (algorithm != 0) { + fprintf(stderr, "The -a argument can only be used once\n"); + exit(1); + } + if (strncmp(optarg, "list", 5) == 0) { + show_algorithms(stdout); + exit(EXIT_SUCCESS); + } + algorithm = ldns_get_signing_algorithm_by_name(optarg); + if (algorithm == 0) { + fprintf(stderr, "Algorithm %s not found\n", optarg); + show_algorithms(stderr); + exit(EXIT_FAILURE); + } + break; + case 'b': + bits = (uint16_t) atoi(optarg); + if (bits == 0) { + fprintf(stderr, "%s: %s %d", prog, "Can not parse the -b argument, setting it to the default\n", (int) def_bits); + bits = def_bits; + } + break; + case 'k': + ksk = true; + break; + case 'r': + random = fopen(optarg, "r"); + if (!random) { + fprintf(stderr, "Cannot open random file %s: %s\n", optarg, strerror(errno)); + exit(EXIT_FAILURE); + } + break; + case 'v': + printf("DNSSEC key generator version %s (ldns version %s)\n", LDNS_VERSION, ldns_version()); + exit(EXIT_SUCCESS); + break; + default: + usage(stderr, prog); + exit(EXIT_FAILURE); + } + } + argc -= optind; + argv += optind; + + if (algorithm == 0) { + printf("Please use the -a argument to provide an algorithm\n"); + exit(1); + } + + if (argc != 1) { + usage(stderr, prog); + exit(EXIT_FAILURE); + } + free(prog); + + /* check whether key size is within RFC boundaries */ + switch (algorithm) { + case LDNS_SIGN_RSAMD5: + case LDNS_SIGN_RSASHA1: + if (bits < 512 || bits > 4096) { + fprintf(stderr, "For RSA, the key size must be between "); + fprintf(stderr, " 512 and 4096 bytes. Aborting.\n"); + exit(1); + } + break; + case LDNS_SIGN_DSA: + if (bits < 512 || bits > 4096) { + fprintf(stderr, "For DSA, the key size must be between "); + fprintf(stderr, " 512 and 1024 bytes. Aborting.\n"); + exit(1); + } + break; +#ifdef USE_GOST + case LDNS_SIGN_ECC_GOST: + if(!ldns_key_EVP_load_gost_id()) { + fprintf(stderr, "error: libcrypto does not provide GOST\n"); + exit(EXIT_FAILURE); + } + break; +#endif +#ifdef USE_ECDSA + case LDNS_SIGN_ECDSAP256SHA256: + case LDNS_SIGN_ECDSAP384SHA384: +#endif + case LDNS_SIGN_HMACMD5: + case LDNS_SIGN_HMACSHA1: + case LDNS_SIGN_HMACSHA256: + default: + break; + } + + if (!random) { + random = fopen("/dev/random", "r"); + if (!random) { + fprintf(stderr, "Cannot open random file %s: %s\n", optarg, strerror(errno)); + exit(EXIT_FAILURE); + } + } + + (void)ldns_init_random(random, (unsigned int) bits/8); + fclose(random); + + /* create an rdf from the domain name */ + domain = ldns_dname_new_frm_str(argv[0]); + + /* generate a new key */ + key = ldns_key_new_frm_algorithm(algorithm, bits); + + /* set the owner name in the key - this is a /seperate/ step */ + ldns_key_set_pubkey_owner(key, domain); + + /* ksk flag */ + if (ksk) { + ldns_key_set_flags(key, ldns_key_flags(key) + 1); + } + + /* create the public from the ldns_key */ + pubkey = ldns_key2rr(key); + if (!pubkey) { + fprintf(stderr, "Could not extract the public key from the key structure..."); + ldns_key_deep_free(key); + exit(EXIT_FAILURE); + } + owner = ldns_rdf2str(ldns_rr_owner(pubkey)); + + /* calculate and set the keytag */ + ldns_key_set_keytag(key, ldns_calc_keytag(pubkey)); + + /* build the DS record */ + switch (algorithm) { +#ifdef USE_ECDSA + case LDNS_SIGN_ECDSAP384SHA384: + ds = ldns_key_rr2ds(pubkey, LDNS_SHA384); + break; + case LDNS_SIGN_ECDSAP256SHA256: +#endif + case LDNS_SIGN_RSASHA256: + case LDNS_SIGN_RSASHA512: + ds = ldns_key_rr2ds(pubkey, LDNS_SHA256); + break; + case LDNS_SIGN_ECC_GOST: +#ifdef USE_GOST + ds = ldns_key_rr2ds(pubkey, LDNS_HASH_GOST); +#else + ds = ldns_key_rr2ds(pubkey, LDNS_SHA256); +#endif + break; + default: + ds = ldns_key_rr2ds(pubkey, LDNS_SHA1); + break; + } + + /* print the public key RR to .key */ + filename = LDNS_XMALLOC(char, strlen(owner) + 17); + snprintf(filename, strlen(owner) + 16, "K%s+%03u+%05u.key", owner, algorithm, (unsigned int) ldns_key_keytag(key)); + file = fopen(filename, "w"); + if (!file) { + fprintf(stderr, "Unable to open %s: %s\n", filename, strerror(errno)); + ldns_key_deep_free(key); + free(owner); + ldns_rr_free(pubkey); + ldns_rr_free(ds); + LDNS_FREE(filename); + exit(EXIT_FAILURE); + } else { + /* temporarily set question so that TTL is not printed */ + ldns_rr_set_question(pubkey, true); + ldns_rr_print(file, pubkey); + ldns_rr_set_question(pubkey, false); + fclose(file); + LDNS_FREE(filename); + } + + /* print the priv key to stderr */ + filename = LDNS_XMALLOC(char, strlen(owner) + 21); + snprintf(filename, strlen(owner) + 20, "K%s+%03u+%05u.private", owner, algorithm, (unsigned int) ldns_key_keytag(key)); + file = fopen(filename, "w"); + if (!file) { + fprintf(stderr, "Unable to open %s: %s\n", filename, strerror(errno)); + ldns_key_deep_free(key); + free(owner); + ldns_rr_free(pubkey); + ldns_rr_free(ds); + LDNS_FREE(filename); + exit(EXIT_FAILURE); + } else { + ldns_key_print(file, key); + fclose(file); + LDNS_FREE(filename); + } + + /* print the DS to .ds */ + if (algorithm != LDNS_SIGN_HMACMD5 && + algorithm != LDNS_SIGN_HMACSHA1 && + algorithm != LDNS_SIGN_HMACSHA256) { + filename = LDNS_XMALLOC(char, strlen(owner) + 16); + snprintf(filename, strlen(owner) + 15, "K%s+%03u+%05u.ds", owner, algorithm, (unsigned int) ldns_key_keytag(key)); + file = fopen(filename, "w"); + if (!file) { + fprintf(stderr, "Unable to open %s: %s\n", filename, strerror(errno)); + ldns_key_deep_free(key); + free(owner); + ldns_rr_free(pubkey); + ldns_rr_free(ds); + LDNS_FREE(filename); + exit(EXIT_FAILURE); + } else { + /* temporarily set question so that TTL is not printed */ + ldns_rr_set_question(ds, true); + ldns_rr_print(file, ds); + ldns_rr_set_question(ds, false); + fclose(file); + LDNS_FREE(filename); + } + } + + fprintf(stdout, "K%s+%03u+%05u\n", owner, algorithm, (unsigned int) ldns_key_keytag(key)); + ldns_key_deep_free(key); + free(owner); + ldns_rr_free(pubkey); + ldns_rr_free(ds); + exit(EXIT_SUCCESS); +} +#else +int +main(int argc, char **argv) +{ + fprintf(stderr, "ldns-keygen needs OpenSSL support, which has not been compiled in\n"); + return 1; +} +#endif /* HAVE_SSL */ diff --git a/libs/ldns/examples/ldns-mx.1 b/libs/ldns/examples/ldns-mx.1 new file mode 100644 index 0000000000..cad97abcd8 --- /dev/null +++ b/libs/ldns/examples/ldns-mx.1 @@ -0,0 +1,23 @@ +.TH ldns-mx 1 "27 Apr 2005" +.SH NAME +ldns-mx \- print out the mx record(s) for a domain +.SH SYNOPSIS +.B ldns-mx +.IR DOMAIN + +.SH DESCRIPTION +\fBldns-mx\fR is used to print out mx information of a domain. + +.SH OPTIONS +\fBldns-mx\fR has no options. + +.SH AUTHOR +Written by the ldns team as an example for ldns usage. + +.SH REPORTING BUGS +Report bugs to . + +.SH COPYRIGHT +Copyright (C) 2005 NLnet Labs. This is free software. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. diff --git a/libs/ldns/examples/ldns-mx.c b/libs/ldns/examples/ldns-mx.c new file mode 100644 index 0000000000..873cf55f87 --- /dev/null +++ b/libs/ldns/examples/ldns-mx.c @@ -0,0 +1,88 @@ +/* + * mx is a small program that prints out the mx records + * for a particular domain + * (c) NLnet Labs, 2005 - 2008 + * See the file LICENSE for the license + */ + +#include "config.h" + +#include + +static int +usage(FILE *fp, char *prog) { + fprintf(fp, "%s domain\n", prog); + fprintf(fp, " print out the mx for domain\n"); + return 0; +} + +int +main(int argc, char *argv[]) +{ + ldns_resolver *res; + ldns_rdf *domain; + ldns_pkt *p; + ldns_rr_list *mx; + ldns_status s; + + p = NULL; + mx = NULL; + domain = NULL; + res = NULL; + + if (argc != 2) { + usage(stdout, argv[0]); + exit(EXIT_FAILURE); + } else { + /* create a rdf from the command line arg */ + domain = ldns_dname_new_frm_str(argv[1]); + if (!domain) { + usage(stdout, argv[0]); + exit(EXIT_FAILURE); + } + } + + /* create a new resolver from /etc/resolv.conf */ + s = ldns_resolver_new_frm_file(&res, NULL); + + if (s != LDNS_STATUS_OK) { + exit(EXIT_FAILURE); + } + + /* use the resolver to send a query for the mx + * records of the domain given on the command line + */ + p = ldns_resolver_query(res, + domain, + LDNS_RR_TYPE_MX, + LDNS_RR_CLASS_IN, + LDNS_RD); + + ldns_rdf_deep_free(domain); + + if (!p) { + exit(EXIT_FAILURE); + } else { + /* retrieve the MX records from the answer section of that + * packet + */ + mx = ldns_pkt_rr_list_by_type(p, + LDNS_RR_TYPE_MX, + LDNS_SECTION_ANSWER); + if (!mx) { + fprintf(stderr, + " *** invalid answer name %s after MX query for %s\n", + argv[1], argv[1]); + ldns_pkt_free(p); + ldns_resolver_deep_free(res); + exit(EXIT_FAILURE); + } else { + ldns_rr_list_sort(mx); + ldns_rr_list_print(stdout, mx); + ldns_rr_list_deep_free(mx); + } + } + ldns_pkt_free(p); + ldns_resolver_deep_free(res); + return 0; +} diff --git a/libs/ldns/examples/ldns-notify.1 b/libs/ldns/examples/ldns-notify.1 new file mode 100644 index 0000000000..7ae77ac046 --- /dev/null +++ b/libs/ldns/examples/ldns-notify.1 @@ -0,0 +1,66 @@ +.TH ldns-notify 1 "9 Jan 2007" +.SH NAME +ldns-notify \- notify DNS servers that updates are available +.SH SYNOPSIS +.B ldns-notify +[options] +-z zone +.IR servers + +.SH DESCRIPTION + +\fBldns-notify\fR sends a NOTIFY message to DNS servers. This tells them +that an updated zone is available at the master servers. It can perform +TSIG signatures and it can add a SOA serial number of the updated zone. +If a server already has that serial number it will disregard the message. + +.SH OPTIONS +.TP +\fB-z zone\fR +The zone that is updated. + +.TP +\fB-h\fR +Show usage and exit + +.TP +\fB-v\fR +Show the version and exit + +.TP +\fB-s serial\fR +Append a SOA record indicating the serial number of the updated zone. + +.TP +\fB-p port\fR +Use port as destination port (default the DNS port 53) for the UDP packets. + +.TP +\fB-y key:data\fR +Use the given TSIG key and base64-data to sign the NOTIFY. Uses the +hmac-md5 algorithm. + +.TP +\fB-d\fR +Print verbose debug information. The query that is sent and the query +that is received. + +.TP +\fB-r num\fR +Specify the maximum number of retries before notify gives up trying to +send the UDP packet. + +.SH EXIT CODE +The program exits with a 0 exit code if all servers replied an +acknowledgement to the notify message, and a failure exit code otherwise. + +.SH AUTHOR +Written by the ldns team as an example for ldns usage. + +.SH REPORTING BUGS +Report bugs to . + +.SH COPYRIGHT +Copyright (C) 2005 NLnet Labs. This is free software. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. diff --git a/libs/ldns/examples/ldns-notify.c b/libs/ldns/examples/ldns-notify.c new file mode 100644 index 0000000000..258dc09b26 --- /dev/null +++ b/libs/ldns/examples/ldns-notify.c @@ -0,0 +1,329 @@ +/* + * ldns-notify.c - ldns-notify(8) + * + * Copyright (c) 2001-2008, NLnet Labs, All right reserved + * + * See LICENSE for the license + * + * send a notify packet to a server + */ + +#include "config.h" + +/* ldns */ +#include + +#ifdef HAVE_NETDB_H +#include +#endif +#include + +static int verbose = 1; +static int max_num_retry = 15; /* times to try */ + +static void +usage(void) +{ + fprintf(stderr, "usage: ldns-notify [other options] -z zone \n"); + fprintf(stderr, "Ldns notify utility\n\n"); + fprintf(stderr, " Supported options:\n"); + fprintf(stderr, "\t-z zone\t\tThe zone\n"); + fprintf(stderr, "\t-s version\tSOA version number to include\n"); + fprintf(stderr, "\t-y key:data\tTSIG sign the query\n"); + fprintf(stderr, "\t-p port\t\tport to use to send to\n"); + fprintf(stderr, "\t-v\t\tPrint version information\n"); + fprintf(stderr, "\t-d\t\tPrint verbose debug information\n"); + fprintf(stderr, "\t-r num\t\tmax number of retries (%d)\n", + max_num_retry); + fprintf(stderr, "\t-h\t\tPrint this help information\n\n"); + fprintf(stderr, "Report bugs to \n"); + exit(1); +} + +static void +version(void) +{ + fprintf(stderr, "%s version %s\n", PACKAGE_NAME, PACKAGE_VERSION); + fprintf(stderr, "Written by NLnet Labs.\n\n"); + fprintf(stderr, + "Copyright (C) 2001-2008 NLnet Labs. This is free software.\n" + "There is NO warranty; not even for MERCHANTABILITY or FITNESS\n" + "FOR A PARTICULAR PURPOSE.\n"); + exit(0); +} + +static void +notify_host(int s, struct addrinfo* res, uint8_t* wire, size_t wiresize, + const char* addrstr) +{ + int timeout_retry = 5; /* seconds */ + int num_retry = max_num_retry; + fd_set rfds; + struct timeval tv; + int retval = 0; + ssize_t received = 0; + int got_ack = 0; + socklen_t addrlen = 0; + uint8_t replybuf[2048]; + ldns_status status; + ldns_pkt* pkt = NULL; + + while(!got_ack) { + /* send it */ + if(sendto(s, (void*)wire, wiresize, 0, + res->ai_addr, res->ai_addrlen) == -1) { + printf("warning: send to %s failed: %s\n", + addrstr, strerror(errno)); +#ifndef USE_WINSOCK + close(s); +#else + closesocket(s); +#endif + return; + } + + /* wait for ACK packet */ + FD_ZERO(&rfds); + FD_SET(s, &rfds); +#ifndef S_SPLINT_S + tv.tv_sec = timeout_retry; /* seconds */ +#endif + tv.tv_usec = 0; /* microseconds */ + retval = select(s + 1, &rfds, NULL, NULL, &tv); + if (retval == -1) { + printf("error waiting for reply from %s: %s\n", + addrstr, strerror(errno)); +#ifndef USE_WINSOCK + close(s); +#else + closesocket(s); +#endif + return; + } + if(retval == 0) { + num_retry--; + if(num_retry == 0) { + printf("error: failed to send notify to %s.\n", + addrstr); + exit(1); + } + printf("timeout (%d s) expired, retry notify to %s.\n", + timeout_retry, addrstr); + } + if (retval == 1) { + got_ack = 1; + } + } + + /* got reply */ + addrlen = res->ai_addrlen; + received = recvfrom(s, (void*)replybuf, sizeof(replybuf), 0, + res->ai_addr, &addrlen); + res->ai_addrlen = addrlen; + +#ifndef USE_WINSOCK + close(s); +#else + closesocket(s); +#endif + if (received == -1) { + printf("recv %s failed: %s\n", addrstr, strerror(errno)); + return; + } + + /* check reply */ + status = ldns_wire2pkt(&pkt, replybuf, (size_t)received); + if(status != LDNS_STATUS_OK) { + ssize_t i; + printf("Could not parse reply packet: %s\n", + ldns_get_errorstr_by_id(status)); + printf("hexdump of reply: "); + for(i=0; iai_next) { + int s = socket(res->ai_family, res->ai_socktype, + res->ai_protocol); + if(s == -1) + continue; + /* send the notify */ + notify_host(s, res, wire, wiresize, argv[i]); + } + freeaddrinfo(res0); + } + + ldns_pkt_free(notify); + free(wire); + return 0; +} diff --git a/libs/ldns/examples/ldns-nsec3-hash.1 b/libs/ldns/examples/ldns-nsec3-hash.1 new file mode 100644 index 0000000000..1b0f70ce39 --- /dev/null +++ b/libs/ldns/examples/ldns-nsec3-hash.1 @@ -0,0 +1,34 @@ +.TH ldns-nsec3-hash.c 1 "10 Dec 2008" +.SH NAME +ldns-nsec3-hash \- print out the NSEC3 hash for a domain name +.SH SYNOPSIS +.B ldns-nsec3-hash +.IR + +.SH DESCRIPTION +\fBldns-nsec3-hash\fR is used to print out the NSEC3 hash for the given domain name. + +.SH OPTIONS +.TP +\fB-a\fR \fInumber\fR +Use the given algorithm number for the hash calculation. Defaults to 1 (SHA-1). + +.TP +\fB-s\fR \fIsalt\fR +Use the given salt for the hash calculation. Salt value should be in hexadecimal format. + +.TP +\fB-t\fR \fIcount\fR +Use count iterations for the hash calculation. + + +.SH AUTHOR +Written by the ldns team as an example for ldns usage. + +.SH REPORTING BUGS +Report bugs to . + +.SH COPYRIGHT +Copyright (C) 2008 NLnet Labs. This is free software. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. diff --git a/libs/ldns/examples/ldns-nsec3-hash.c b/libs/ldns/examples/ldns-nsec3-hash.c new file mode 100644 index 0000000000..0ba2e68aec --- /dev/null +++ b/libs/ldns/examples/ldns-nsec3-hash.c @@ -0,0 +1,127 @@ +/* + * ldns-signzone signs a zone file + * + * (c) NLnet Labs, 2005 - 2008 + * See the file LICENSE for the license + */ + +#include "config.h" +#include +#include + +#include + +#include + +#include +#include + +#ifdef HAVE_SSL +#include +#include +#endif /* HAVE_SSL */ + +#define MAX_FILENAME_LEN 250 +int verbosity = 1; + +static void +usage(FILE *fp, const char *prog) { + fprintf(fp, "%s [OPTIONS] \n", prog); + fprintf(fp, " prints the NSEC3 hash of the given domain name\n"); + fprintf(fp, "-a [algorithm] hashing algorithm\n"); + fprintf(fp, "-t [number] number of hash iterations\n"); + fprintf(fp, "-s [string] salt\n"); +} + +int +main(int argc, char *argv[]) +{ + ldns_rdf *dname, *hashed_dname; + uint8_t nsec3_algorithm = 1; + size_t nsec3_iterations_cmd = 1; + uint16_t nsec3_iterations = 1; + uint8_t nsec3_salt_length = 0; + uint8_t *nsec3_salt = NULL; + + char *prog = strdup(argv[0]); + + int c; + while ((c = getopt(argc, argv, "a:s:t:")) != -1) { + switch (c) { + case 'a': + nsec3_algorithm = (uint8_t) atoi(optarg); + break; + case 's': + if (strlen(optarg) % 2 != 0) { + fprintf(stderr, "Salt value is not valid hex data, not a multiple of 2 characters\n"); + exit(EXIT_FAILURE); + } + if (strlen(optarg) > 512) { + fprintf(stderr, "Salt too long\n"); + exit(EXIT_FAILURE); + } + nsec3_salt_length = (uint8_t) (strlen(optarg) / 2); + nsec3_salt = LDNS_XMALLOC(uint8_t, nsec3_salt_length); + for (c = 0; c < (int) strlen(optarg); c += 2) { + if (isxdigit((int) optarg[c]) && isxdigit((int) optarg[c+1])) { + nsec3_salt[c/2] = (uint8_t) ldns_hexdigit_to_int(optarg[c]) * 16 + + ldns_hexdigit_to_int(optarg[c+1]); + } else { + fprintf(stderr, "Salt value is not valid hex data.\n"); + exit(EXIT_FAILURE); + } + } + + break; + case 't': + nsec3_iterations_cmd = (size_t) atol(optarg); + if (nsec3_iterations_cmd > LDNS_NSEC3_MAX_ITERATIONS) { + fprintf(stderr, "Iterations count can not exceed %u, quitting\n", LDNS_NSEC3_MAX_ITERATIONS); + exit(EXIT_FAILURE); + } + nsec3_iterations = (uint16_t) nsec3_iterations_cmd; + break; + default: + usage(stderr, prog); + exit(EXIT_SUCCESS); + } + } + + argc -= optind; + argv += optind; + + if (argc < 1) { + printf("Error: not enough arguments\n"); + usage(stdout, prog); + exit(EXIT_FAILURE); + } else { + dname = ldns_dname_new_frm_str(argv[0]); + if (!dname) { + fprintf(stderr, + "Error: unable to parse domain name\n"); + return EXIT_FAILURE; + } + hashed_dname = ldns_nsec3_hash_name(dname, + nsec3_algorithm, + nsec3_iterations, + nsec3_salt_length, + nsec3_salt); + if (!hashed_dname) { + fprintf(stderr, + "Error creating NSEC3 hash\n"); + return EXIT_FAILURE; + } + ldns_rdf_print(stdout, hashed_dname); + printf("\n"); + ldns_rdf_deep_free(dname); + ldns_rdf_deep_free(hashed_dname); + } + + if (nsec3_salt) { + free(nsec3_salt); + } + + free(prog); + + return EXIT_SUCCESS; +} diff --git a/libs/ldns/examples/ldns-read-zone.1 b/libs/ldns/examples/ldns-read-zone.1 new file mode 100644 index 0000000000..31bedaba62 --- /dev/null +++ b/libs/ldns/examples/ldns-read-zone.1 @@ -0,0 +1,56 @@ +.TH ldns-read-zone 1 "30 May 2005" +.SH NAME +ldns-read-zone \- read a zonefile and print it +.SH SYNOPSIS +.B ldns-read-zone +.IR ZONEFILE + +.SH DESCRIPTION + +\fBldns-read-zone\fR reads a DNS zone file and prints it. The output has 1 +resource record per line, and no pretty-printing makeup. + +.SH OPTIONS +.TP +\fB-c\fR +Canonicalize all resource records in the zone before printing + +.TP +\fB-d\fR +Only print DNSSEC data from the zone. This option skips every record +that is not of type NSEC, NSEC3, RRSIG or DNSKEY. DS records are not +printed. + +.TP +\fB-h\fR +Show usage and exit + +.TP +\fB-n\fR +Do not print the SOA record + +.TP +\fB-s\fR +Strip DNSSEC data from the zone. This option skips every record +that is of type NSEC, NSEC3, RRSIG or DNSKEY. DS records are still +printed. + +.TP +\fB-v\fR +Show the version and exit + +.TP +\fB-z\fR +Sort the zone before printing (this implies -c) + + +.SH AUTHOR +Written by the ldns team as an example for ldns usage. + +.SH REPORTING BUGS +Report bugs to . + +.SH COPYRIGHT +Copyright (C) 2005 NLnet Labs. This is free software. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. diff --git a/libs/ldns/examples/ldns-read-zone.c b/libs/ldns/examples/ldns-read-zone.c new file mode 100644 index 0000000000..ea35850fc1 --- /dev/null +++ b/libs/ldns/examples/ldns-read-zone.c @@ -0,0 +1,159 @@ +/* + * read a zone file from disk and prints it, one RR per line + * + * (c) NLnetLabs 2005-2008 + * + * See the file LICENSE for the license + */ + +#include "config.h" +#include +#include + +#include + +#include + +int +main(int argc, char **argv) +{ + char *filename; + FILE *fp; + ldns_zone *z; + int line_nr = 0; + int c; + bool canonicalize = false; + bool sort = false; + bool strip = false; + bool only_dnssec = false; + bool print_soa = true; + ldns_status s; + size_t i; + ldns_rr_list *stripped_list; + ldns_rr *cur_rr; + ldns_rr_type cur_rr_type; + + while ((c = getopt(argc, argv, "cdhnsvz")) != -1) { + switch(c) { + case 'c': + canonicalize = true; + break; + case 'd': + only_dnssec = true; + if (strip) { + fprintf(stderr, "Warning: stripping both DNSSEC and non-DNSSEC records. Output will be sparse.\n"); + } + break; + case 'h': + printf("Usage: %s [-c] [-v] [-z] \n", argv[0]); + printf("\tReads the zonefile and prints it.\n"); + printf("\tThe RR count of the zone is printed to stderr.\n"); + printf("\t-c canonicalize all rrs in the zone.\n"); + printf("\t-d only show DNSSEC data from the zone\n"); + printf("\t-h show this text\n"); + printf("\t-n do not print the SOA record\n"); + printf("\t-s strip DNSSEC data from the zone\n"); + printf("\t-v shows the version and exits\n"); + printf("\t-z sort the zone (implies -c).\n"); + printf("\nif no file is given standard input is read\n"); + exit(EXIT_SUCCESS); + break; + case 'n': + print_soa = false; + break; + case 's': + strip = true; + if (only_dnssec) { + fprintf(stderr, "Warning: stripping both DNSSEC and non-DNSSEC records. Output will be sparse.\n"); + } + break; + case 'v': + printf("read zone version %s (ldns version %s)\n", LDNS_VERSION, ldns_version()); + exit(EXIT_SUCCESS); + break; + case 'z': + canonicalize = true; + sort = true; + break; + } + } + + argc -= optind; + argv += optind; + + if (argc == 0) { + fp = stdin; + } else { + filename = argv[0]; + + fp = fopen(filename, "r"); + if (!fp) { + fprintf(stderr, "Unable to open %s: %s\n", filename, strerror(errno)); + exit(EXIT_FAILURE); + } + } + + s = ldns_zone_new_frm_fp_l(&z, fp, NULL, 0, LDNS_RR_CLASS_IN, &line_nr); + + if (strip) { + stripped_list = ldns_rr_list_new(); + while ((cur_rr = ldns_rr_list_pop_rr(ldns_zone_rrs(z)))) { + cur_rr_type = ldns_rr_get_type(cur_rr); + if (cur_rr_type == LDNS_RR_TYPE_RRSIG || + cur_rr_type == LDNS_RR_TYPE_NSEC || + cur_rr_type == LDNS_RR_TYPE_NSEC3 || + cur_rr_type == LDNS_RR_TYPE_NSEC3PARAMS + ) { + ldns_rr_free(cur_rr); + } else { + ldns_rr_list_push_rr(stripped_list, cur_rr); + } + } + ldns_rr_list_free(ldns_zone_rrs(z)); + ldns_zone_set_rrs(z, stripped_list); + } + if (only_dnssec) { + stripped_list = ldns_rr_list_new(); + while ((cur_rr = ldns_rr_list_pop_rr(ldns_zone_rrs(z)))) { + cur_rr_type = ldns_rr_get_type(cur_rr); + if (cur_rr_type == LDNS_RR_TYPE_RRSIG || + cur_rr_type == LDNS_RR_TYPE_NSEC || + cur_rr_type == LDNS_RR_TYPE_NSEC3 || + cur_rr_type == LDNS_RR_TYPE_NSEC3PARAMS + ) { + ldns_rr_list_push_rr(stripped_list, cur_rr); + } else { + ldns_rr_free(cur_rr); + } + } + ldns_rr_list_free(ldns_zone_rrs(z)); + ldns_zone_set_rrs(z, stripped_list); + } + + if (s == LDNS_STATUS_OK) { + if (canonicalize) { + ldns_rr2canonical(ldns_zone_soa(z)); + for (i = 0; i < ldns_rr_list_rr_count(ldns_zone_rrs(z)); i++) { + ldns_rr2canonical(ldns_rr_list_rr(ldns_zone_rrs(z), i)); + } + } + if (sort) { + ldns_zone_sort(z); + } + + if (print_soa && ldns_zone_soa(z)) { + ldns_rr_print(stdout, ldns_zone_soa(z)); + } + ldns_rr_list_print(stdout, ldns_zone_rrs(z)); + + ldns_zone_deep_free(z); + } else { + fprintf(stderr, "%s at %d\n", + ldns_get_errorstr_by_id(s), + line_nr); + exit(EXIT_FAILURE); + } + fclose(fp); + + exit(EXIT_SUCCESS); +} diff --git a/libs/ldns/examples/ldns-resolver.1 b/libs/ldns/examples/ldns-resolver.1 new file mode 100644 index 0000000000..9552e6860c --- /dev/null +++ b/libs/ldns/examples/ldns-resolver.1 @@ -0,0 +1,26 @@ +.TH ldns-resolver 1 "27 Apr 2005" +.SH NAME +ldns-resolver \- tries to create a resolver from a resolv.conf file. +.SH SYNOPSIS +.B ldns-resolver +.IR file + +.SH DESCRIPTION +\fBldns-resolver\fR tries to create a resolver from a resolv.conf file. +This is only useful to test the library for robusteness with input data. + +.SH OPTIONS +\fBldns-resolver\fR takes a filename of the resolv.conf file as input. +For example \fIldns-resolver /etc/resolv.conf\fR will show if the file can +be parsed successfully. + +.SH AUTHOR +Written by the ldns team as an example for ldns usage. + +.SH REPORTING BUGS +Report bugs to . + +.SH COPYRIGHT +Copyright (C) 2005 NLnet Labs. This is free software. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. diff --git a/libs/ldns/examples/ldns-resolver.c b/libs/ldns/examples/ldns-resolver.c new file mode 100644 index 0000000000..04dcc35feb --- /dev/null +++ b/libs/ldns/examples/ldns-resolver.c @@ -0,0 +1,47 @@ +/* + * ldns-resolver tries to create a resolver structure from /dev/urandom + * this is only useful to test the library for robusteness with input data + * + * (c) NLnet Labs 2006 - 2008 + * See the file LICENSE for the license + */ + +#include "config.h" +#include "errno.h" + +#include + +int +main(int argc, char **argv) { + + ldns_resolver *r; + int line = 1; + FILE *rand; + ldns_status s; + + if (argc != 2 || strncmp(argv[1], "-h", 3) == 0) { + printf("Usage: ldns-resolver \n"); + printf("Tries to create a stub resolver structure from the given file.\n"); + exit(EXIT_FAILURE); + } + + if (!(rand = fopen(argv[1], "r"))) { + printf("Error opening %s: %s\n", argv[1], strerror(errno)); + exit(EXIT_FAILURE); + } + + printf("Trying to read from %s\n", argv[1]); + s = ldns_resolver_new_frm_fp_l(&r, rand, &line); + if (s != LDNS_STATUS_OK) { + printf("Failed: %s at line %d\n", ldns_get_errorstr_by_id(s), line); + exit(EXIT_FAILURE); + } else { + printf("Succes\n"); + ldns_resolver_print(stdout, r); + ldns_resolver_deep_free(r); + } + + fclose(rand); + + return EXIT_SUCCESS; +} diff --git a/libs/ldns/examples/ldns-revoke.1 b/libs/ldns/examples/ldns-revoke.1 new file mode 100644 index 0000000000..5a16244dac --- /dev/null +++ b/libs/ldns/examples/ldns-revoke.1 @@ -0,0 +1,27 @@ +.TH ldns-revoke 1 "23 Jul 2008" +.SH NAME +ldns-revoke \- sets the revoke bit of a DNSKEY +.SH SYNOPSIS +.B ldns-revoke +.IR file + +.SH DESCRIPTION +\fBldns-revoke\fR is used to revoke a public DNSKEY RR. +When run it will read \fIfile\fR with a DNSKEY RR in it, +sets the revoke bit and write back the output to \fIfile\fR . + +.SH OPTIONS +.TP +\fB-n\fR +Write the result to stdout instead of a file + +.SH AUTHOR +Written by the ldns team as an example for ldns usage. + +.SH REPORTING BUGS +Report bugs to . + +.SH COPYRIGHT +Copyright (C) 2008 NLnet Labs. This is free software. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. diff --git a/libs/ldns/examples/ldns-revoke.c b/libs/ldns/examples/ldns-revoke.c new file mode 100644 index 0000000000..f46c98f010 --- /dev/null +++ b/libs/ldns/examples/ldns-revoke.c @@ -0,0 +1,104 @@ +/* + * revoke sets the revoke bit of a public key. + * + * (c) NLnet Labs, 2005 - 2008 + * See the file LICENSE for the license + */ + +#include "config.h" + +#include +#ifdef HAVE_SSL +#include +#endif /* HAVE_SSL */ + +#include + +static void +usage(FILE *fp, char *prog) { + fprintf(fp, "%s [-n] keyfile\n", prog); + fprintf(fp, " Revokes a key\n"); + fprintf(fp, "Options:\n"); + fprintf(fp, " -n: do not write to file but to stdout\n"); +} + +int +main(int argc, char *argv[]) +{ + FILE *keyfp; + char *keyname; + ldns_rr *k; + uint16_t flags; + char *program = argv[0]; + int nofile = 0; + ldns_rdf *origin = NULL; + ldns_status result; + + argv++, argc--; + while (argc && argv[0][0] == '-') { + if (strcmp(argv[0], "-n") == 0) { + nofile=1; + } + else { + usage(stderr, program); + exit(EXIT_FAILURE); + } + argv++, argc--; + } + + if (argc != 1) { + usage(stderr, program); + exit(EXIT_FAILURE); + } + keyname = strdup(argv[0]); + + keyfp = fopen(keyname, "r"); + if (!keyfp) { + fprintf(stderr, "Failed to open public key file %s: %s\n", keyname, + strerror(errno)); + exit(EXIT_FAILURE); + } + + result = ldns_rr_new_frm_fp(&k, keyfp, 0, &origin, NULL); + /* what does this while loop do? */ + while (result == LDNS_STATUS_SYNTAX_ORIGIN) { + result = ldns_rr_new_frm_fp(&k, keyfp, 0, &origin, NULL); + } + if (result != LDNS_STATUS_OK) { + fprintf(stderr, "Could not read public key from file %s: %s\n", keyname, ldns_get_errorstr_by_id(result)); + exit(EXIT_FAILURE); + } + fclose(keyfp); + + flags = ldns_read_uint16(ldns_rdf_data(ldns_rr_dnskey_flags(k))); + flags |= LDNS_KEY_REVOKE_KEY; + + if (!ldns_rr_dnskey_set_flags(k, + ldns_native2rdf_int16(LDNS_RDF_TYPE_INT16, flags))) + { + fprintf(stderr, "Revocation failed\n"); + exit(EXIT_FAILURE); + } + + /* print the public key RR to .key */ + + if (nofile) + ldns_rr_print(stdout,k); + else { + keyfp = fopen(keyname, "w"); + if (!keyfp) { + fprintf(stderr, "Unable to open %s: %s\n", keyname, + strerror(errno)); + exit(EXIT_FAILURE); + } else { + ldns_rr_print(keyfp, k); + fclose(keyfp); + fprintf(stdout, "DNSKEY revoked\n"); + } + } + + free(keyname); + ldns_rr_free(k); + + exit(EXIT_SUCCESS); +} diff --git a/libs/ldns/examples/ldns-rrsig.1 b/libs/ldns/examples/ldns-rrsig.1 new file mode 100644 index 0000000000..3aee863e05 --- /dev/null +++ b/libs/ldns/examples/ldns-rrsig.1 @@ -0,0 +1,30 @@ +.TH ldns-rrsig 1 "27 Apr 2005" +.SH NAME +ldns-rrsig \- print out the inception and expiration dates in human +readable form +.SH SYNOPSIS +.B ldns-rrsig +.IR domain +[ +.IR type +] + +.SH DESCRIPTION +\fBldns-rrsig\fR is used to print the expiration and inception date of +a RRSIG. The first argument is a domain name. \fBldns-rrsig\fR will +query the authoritative servers for that domain to get a list of RRSIGs. +It will then print out the inception and experiration dates for the RRSIG +covering the SOA record. +.PP +If the second argument \fBtype\fR is given the RRSIG covering that type will be shown. + +.SH AUTHOR +Written by the ldns team as an example for ldns usage. + +.SH REPORTING BUGS +Report bugs to . + +.SH COPYRIGHT +Copyright (C) 2005 NLnet Labs. This is free software. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. diff --git a/libs/ldns/examples/ldns-rrsig.c b/libs/ldns/examples/ldns-rrsig.c new file mode 100644 index 0000000000..5c565b1d4b --- /dev/null +++ b/libs/ldns/examples/ldns-rrsig.c @@ -0,0 +1,207 @@ +/* + * ldns-rrsig prints out the inception and expiration dates in a more readable + * way than the normal RRSIG presentation format + * + * for a particulary domain + * (c) NLnet Labs, 2005 - 2008 + * See the file LICENSE for the license + */ + +#include "config.h" + +#include + +static int +usage(FILE *fp, char *prog) { + fprintf(fp, "%s domain [type]\n", prog); + fprintf(fp, " print out the inception and expiration dates\n"); + fprintf(fp, " in a more human readable form\n"); + fprintf(fp, " \tquery for RRSIG(), defaults to SOA\n"); + return 0; +} + +int +main(int argc, char *argv[]) +{ + ldns_resolver *res; + ldns_resolver *localres; + ldns_rdf *domain; + ldns_pkt *p; + ldns_rr_list *rrsig; + ldns_rr_list *rrsig_type; + ldns_rr_list *ns; + ldns_rr_list *ns_ip; + uint8_t i, j; + ldns_rr_type t; + char * type_name; + time_t incep, expir; + char incep_buf[26]; + char expir_buf[26]; + ldns_status s; + + p = NULL; + rrsig = NULL; + rrsig_type = NULL; + domain = NULL; + + /* option parsing */ + + if (argc < 2) { + usage(stdout, argv[0]); + exit(EXIT_FAILURE); + } else { + /* create a rdf from the command line arg */ + domain = ldns_dname_new_frm_str(argv[1]); + if (!domain) { + usage(stdout, argv[0]); + exit(EXIT_FAILURE); + } + } + + if (argc == 3) { + /* optional type arg */ + type_name = strdup(argv[2]); + t = ldns_rdf2rr_type( + ldns_rdf_new_frm_str(LDNS_RDF_TYPE_TYPE, type_name)); + if (t == 0) { + fprintf(stderr, " *** %s is not a valid RR type\n", type_name); + exit(EXIT_FAILURE); + } + } else { + t = LDNS_RR_TYPE_SOA; + type_name = "SOA"; + } + + /* create a new resolver from /etc/resolv.conf */ + s = ldns_resolver_new_frm_file(&localres, NULL); + if (s != LDNS_STATUS_OK) { + exit(EXIT_FAILURE); + } + + /* first get the nameserver of the domain in question */ + p = ldns_resolver_query(localres, domain, LDNS_RR_TYPE_NS, + LDNS_RR_CLASS_IN, LDNS_RD); + if (!p) { + fprintf(stderr," *** Could not find any nameserver for %s", argv[1]); + ldns_resolver_deep_free(localres); + exit(EXIT_FAILURE); + } + ns = ldns_pkt_rr_list_by_type(p, LDNS_RR_TYPE_NS, LDNS_SECTION_ANSWER); + + if (!ns) { + fprintf(stderr," *** Could not find any nameserver for %s", argv[1]); + ldns_pkt_free(p); + ldns_resolver_deep_free(localres); + exit(EXIT_FAILURE); + } + + /* use our local resolver to resolv the names in the for usage in our + * new resolver */ + res = ldns_resolver_new(); + if (!res) { + ldns_pkt_free(p); + ldns_resolver_deep_free(localres); + ldns_rr_list_deep_free(ns); + exit(EXIT_FAILURE); + } + for(i = 0; i < ldns_rr_list_rr_count(ns); i++) { + ns_ip = ldns_get_rr_list_addr_by_name(localres, + ldns_rr_ns_nsdname(ldns_rr_list_rr(ns, i)), + LDNS_RR_CLASS_IN, LDNS_RD); + /* add these to new resolver */ + for(j = 0; j < ldns_rr_list_rr_count(ns_ip); j++) { + if (ldns_resolver_push_nameserver(res, + ldns_rr_a_address(ldns_rr_list_rr(ns_ip, j))) != LDNS_STATUS_OK) { + printf("Error adding nameserver to resolver\n"); + ldns_pkt_free(p); + ldns_resolver_deep_free(res); + ldns_resolver_deep_free(localres); + ldns_rr_list_deep_free(ns); + exit(EXIT_FAILURE); + } + } + ldns_rr_list_deep_free(ns_ip); + + } + + /* enable DNSSEC */ + ldns_resolver_set_dnssec(res, true); + /* also set CD, we want EVERYTHING! */ + ldns_resolver_set_dnssec_cd(res, true); + + /* use the resolver to send it a query for the soa + * records of the domain given on the command line + */ + ldns_pkt_free(p); + p = ldns_resolver_query(res, domain, LDNS_RR_TYPE_RRSIG, LDNS_RR_CLASS_IN, LDNS_RD); + + ldns_rdf_deep_free(domain); + + if (!p) { + ldns_resolver_deep_free(localres); + ldns_rr_list_deep_free(ns); + exit(EXIT_FAILURE); + } else { + /* retrieve the RRSIG records from the answer section of that + * packet + */ + rrsig = ldns_pkt_rr_list_by_type(p, LDNS_RR_TYPE_RRSIG, LDNS_SECTION_ANSWER); + if (!rrsig) { + fprintf(stderr, + " *** invalid answer name %s after RRSIG query for %s\n", + argv[1], argv[1]); + ldns_pkt_free(p); + ldns_resolver_deep_free(res); + ldns_rr_list_deep_free(ns); + exit(EXIT_FAILURE); + } else { + rrsig_type = ldns_rr_list_new(); + + for(i = 0; i < ldns_rr_list_rr_count(rrsig); i++) { + if (ldns_rdf2rr_type( + ldns_rr_rrsig_typecovered( + ldns_rr_list_rr(rrsig, i))) == t) { + ldns_rr_list_push_rr(rrsig_type, + ldns_rr_list_rr(rrsig, i)); + } + } + if (ldns_rr_list_rr_count(rrsig_type) == 0) { + fprintf(stderr, " *** No RRSIG(%s) type found\n", + type_name); + ldns_resolver_deep_free(localres); + ldns_resolver_deep_free(res); + ldns_pkt_free(p); + ldns_rr_list_deep_free(ns); + ldns_rr_list_free(rrsig); + ldns_rr_list_deep_free(rrsig_type); + exit(EXIT_FAILURE); + } + + for(i = 0; i < ldns_rr_list_rr_count(rrsig_type); i++) { + incep = ldns_rdf2native_time_t( + ldns_rr_rrsig_inception( + ldns_rr_list_rr(rrsig_type, i))); + expir = ldns_rdf2native_time_t( + ldns_rr_rrsig_expiration( + ldns_rr_list_rr(rrsig_type, i))); + + /* convert to human readable */ + ctime_r(&incep, incep_buf); + ctime_r(&expir, expir_buf); + /* kill the newline */ + incep_buf[24] = '\0'; + expir_buf[24] = '\0'; + + fprintf(stdout, "%s RRSIG(%s): %s - %s\n", + argv[1], type_name, incep_buf, expir_buf); + } + ldns_rr_list_free(rrsig); + ldns_rr_list_deep_free(rrsig_type); + } + } + ldns_pkt_free(p); + ldns_resolver_deep_free(localres); + ldns_resolver_deep_free(res); + ldns_rr_list_deep_free(ns); + return 0; +} diff --git a/libs/ldns/examples/ldns-signzone.1 b/libs/ldns/examples/ldns-signzone.1 new file mode 100644 index 0000000000..0ac7c8094f --- /dev/null +++ b/libs/ldns/examples/ldns-signzone.1 @@ -0,0 +1,159 @@ +.TH ldns-signzone 1 "30 May 2005" +.SH NAME +ldns-signzone \- sign a zonefile with DNSSEC data +.SH SYNOPSIS +.B ldns-signzone +[ +.IR OPTIONS +] +.IR ZONEFILE +.IR +KEY +[KEY +[KEY] ... +] + +.SH DESCRIPTION + +\fBldns-signzone\fR is used to generate a DNSSEC signed zone. When run it +will create a new zonefile that contains RRSIG and NSEC resource records, as +specified in RFC 4033, RFC 4034 and RFC 4035. + +Keys must be specified by their base name (i.e. without .private). If +the DNSKEY that belongs to the key in the .private file is not present +in the zone, it will be read from the file .key. If that +file does not exist, the DNSKEY value will be generated from the +private key. + +Multiple keys can be specified, Key Signing Keys are used as such when +they are either already present in the zone, or specified in a .key +file, and have the KSK bit set. + +.SH OPTIONS +.TP +\fB-d\fR +Normally, if the DNSKEY RR for a key that is used to sign the zone is +not found in the zone file, it will be read from .key, or derived from +the private key (in that order). This option turns that feature off, +so that only the signatures are added to the zone. + +.TP +\fB-e\fR \fIdate\fR +Set expiration date of the signatures to this date, the format can be +YYYYMMDD[hhmmss], or a timestamp. + +.TP +\fB-f\fR \fIfile\fR +Use this file to store the signed zone in (default .signed) + +.TP +\fB-i\fR \fIdate\fR +Set inception date of the signatures to this date, the format can be +YYYYMMDD[hhmmss], or a timestamp. + +.TP +\fB-l\fR +Leave old DNSSEC RRSIGS and NSEC records intact (by default, they are +removed from the zone) + +.TP +\fB-o\fR \fIorigin\fR +Use this as the origin of the zone + +.TP +\fB-v\fR +Print the version and exit + +.TP +\fB-A\fR +Sign the DNSKEY record with all keys. By default it is signed with a +minimal number of keys, to keep the response size for the DNSKEY query +small, and only the SEP keys that are passed are used. If there are no +SEP keys, the DNSKEY RRset is signed with the non\-SEP keys. This option +turns off the default and all keys are used to sign the DNSKEY RRset. + +.TP +\fB-E\fR \fIname\fR +Use the EVP cryptographic engine with the given name for signing. This +can have some extra options; see ENGINE OPTIONS for more information. + +.TP +\fB-k\fR \fIid,int\fR +Use the key with the given id as the signing key for algorithm int as +a Zone signing key. This option is used when you use an OpenSSL +engine, see ENGINE OPTIONS for more information. + +.TP +\fB-K\fR \fIid,int\fR + +Use the key with the given id as the signing key for algorithm int as +a Key signing key. This options is used when you use an OpenSSL engine, +see ENGINE OPTIONS for more information. + +.TP +\fB-n\fR +Use NSEC3 instead of NSEC. + +.TP +If you use NSEC3, you can specify the following extra options: + +.TP +\fB-a\fR \fIalgorithm\fR +Algorithm used to create the hashed NSEC3 owner names + +.TP +\fB-p\fR +Opt-out. All NSEC3 records in the zone will have the Opt-out flag set. After signing, you can add insecure delegations to the signed zone. + +.TP +\fB-s\fR \fIstring\fR +Salt + +.TP +\fB-t\fR \fInumber\fR +Number of hash iterations + +.SH ENGINE OPTIONS +You can modify the possible engines, if supported, by setting an +OpenSSL configuration file. This is done through the environment +variable OPENSSL_CONF. If you use -E with a non-existent engine name, +ldns-signzone will print a list of engines supported by your +configuration. + +The key options (-k and -K) work as follows; you specify a key id, and a DNSSEC algorithm number (for instance, 5 for RSASHA1). The key id can be any of the following: + + + : + id_ + slot_-id_ + label_