kenmirrors/asterisk
1
0
Fork 0
mirror of https://github.com/asterisk/asterisk.git synced 2025-09-05 20:20:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add ENUM configurable search path

Browse Source 
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@946 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2003-05-01 04:29:25 +00:00
parent b7dcee9370
commit 475fc3de54
5 changed files with 113 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

100
enum.c
View File

@@ -1,11 +1,12 @@
/*
* ENUM support
*
*
* ENUM Support for Asterisk
*
* Copyright (C) 2003 Digium
*
* Written by Mark Spencer <markster@digium.com>
*
* Funding provided by nic.at
*
* Distributed under the terms of the GNU GPL
*
*/
@@ -21,11 +22,20 @@
#include <asterisk/options.h>
#include <asterisk/enum.h>
#include <asterisk/channel.h>
#include <asterisk/config.h>
#define MAX_SIZE 4096
#define TOPLEV "e164.arpa."
static struct enum_search {
char toplev[80];
struct enum_search *next;
} *toplevs;
static int enumver = 0;
static pthread_mutex_t enumlock = AST_MUTEX_INITIALIZER;
static int skip_name(unsigned char *s, int len)
{
@@ -220,11 +230,13 @@ static int parse_answer(unsigned char *dst, int dstlen, unsigned char *tech, int
int ast_get_enum(struct ast_channel *chan, const char *number, char *dst, int dstlen, char *tech, int techlen)
{
unsigned char answer[MAX_SIZE];
char tmp[259 + strlen(TOPLEV)];
char tmp[259 + 80];
int pos = strlen(number) - 1;
int newpos=0;
int res;
int res = -1;
int ret = -1;
struct enum_search *s = NULL;
int version = -1;
struct __res_state enumstate;
res_ninit(&enumstate);
if (chan && ast_autoservice_start(chan) < 0)
@@ -236,11 +248,28 @@ int ast_get_enum(struct ast_channel *chan, const char *number, char *dst, int ds
tmp[newpos++] = number[pos--];
tmp[newpos++] = '.';
}
strcpy(tmp + newpos, TOPLEV);
#if 0
printf("Looking for '%s'\n", tmp);
#endif
res = res_nsearch(&enumstate, tmp, C_IN, T_NAPTR, answer, sizeof(answer));
for(;;) {
ast_pthread_mutex_lock(&enumlock);
if (version != enumver) {
/* Ooh, a reload... */
s = toplevs;
} else {
s = s->next;
}
if (s) {
strcpy(tmp + newpos, s->toplev);
}
ast_pthread_mutex_unlock(&enumlock);
if (!s)
break;
res = res_nsearch(&enumstate, tmp, C_IN, T_NAPTR, answer, sizeof(answer));
if (res > 0)
break;
}
if (res > 0) {
if ((res = parse_answer(dst, dstlen, tech, techlen, answer, res))) {
ast_log(LOG_WARNING, "Parse error returned %d\n", res);
@@ -258,3 +287,60 @@ int ast_get_enum(struct ast_channel *chan, const char *number, char *dst, int ds
res_nclose(&enumstate);
return ret;
}
static struct enum_search *enum_newtoplev(char *s)
{
struct enum_search *tmp;
tmp = malloc(sizeof(struct enum_search));
if (tmp) {
memset(tmp, 0, sizeof(struct enum_search));
strncpy(tmp->toplev, s, sizeof(tmp->toplev) - 1);
}
return tmp;
}
int ast_enum_init(void)
{
struct ast_config *cfg;
struct enum_search *s, *sl;
struct ast_variable *v;
/* Destroy existing list */
ast_pthread_mutex_lock(&enumlock);
s = toplevs;
while(s) {
sl = s;
s = s->next;
free(sl);
}
toplevs = NULL;
cfg = ast_load("enum.conf");
if (cfg) {
sl = NULL;
v = ast_variable_browse(cfg, "general");
while(v) {
if (!strcasecmp(v->name, "search")) {
s = enum_newtoplev(v->value);
if (s) {
if (sl)
sl->next = s;
else
toplevs = s;
sl = s;
}
}
v = v->next;
}
ast_destroy(cfg);
} else {
toplevs = enum_newtoplev(TOPLEV);
}
enumver++;
ast_pthread_mutex_unlock(&enumlock);
return 0;
}
int ast_enum_reload(void)
{
return ast_enum_init();
}