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Show peers formatting fixes, SIP strlen optimizations, and using ACL for local network matching (bugs #1587, 1586, 1585, 1584)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2927 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2004-05-08 20:58:24 +00:00
parent 9740f51d00
commit d2a4408930
2 changed files with 65 additions and 32 deletions
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85
channels/chan_sip.c
View File

@@ -457,8 +457,8 @@ static int globalcanreinvite = REINVITE_INVITE;
static struct sockaddr_in bindaddr;
static struct sockaddr_in localnet;
static struct sockaddr_in localmask;
static struct sockaddr_in externip;
static struct ast_ha *localaddr;
static struct ast_frame *sip_read(struct ast_channel *ast);
static int transmit_response(struct sip_pvt *p, char *msg, struct sip_request *req);
@@ -500,13 +500,19 @@ static void sip_destroy(struct sip_pvt *p);
static int ast_sip_ouraddrfor(struct in_addr *them, struct in_addr *us)
{
/*
check to see if them is contained in our localnet/mask,
if not, use our externip for us, otherwise use the
real internal address in bindaddr
*/
if (localnet.sin_addr.s_addr && externip.sin_addr.s_addr &&
((htonl(them->s_addr) & htonl(localnet.sin_addr.s_addr)) != htonl(localnet.sin_addr.s_addr)))
* Using the localaddr structure built up with localnet statements
* apply it to their address to see if we need to substitute our
* externip or can get away with our internal bindaddr
*/
struct sockaddr_in theirs;
theirs.sin_addr = *them;
if (localaddr && externip.sin_addr.s_addr &&
ast_apply_ha(localaddr, &theirs)) {
char t[256];
memcpy(us, &externip.sin_addr, sizeof(struct in_addr));
strcpy(t, inet_ntoa(*(struct in_addr *)&them->s_addr));
ast_log(LOG_DEBUG, "Target address %s is not local, substituting externip\n", t);
}
else if (bindaddr.sin_addr.s_addr)
memcpy(us, &bindaddr.sin_addr, sizeof(struct in_addr));
else
@@ -1976,7 +1982,7 @@ static int sip_register(char *value, int lineno)
*hostname = '\0';
hostname++;
}
if (!username || ast_strlen_zero(username) || !hostname || !strlen(hostname)) {
if (!username || ast_strlen_zero(username) || !hostname || ast_strlen_zero(hostname)) {
ast_log(LOG_WARNING, "Format for registration is user[:secret[:authuser]]@host[:port][/contact] at line %d", lineno);
return -1;
}
@@ -3122,9 +3128,9 @@ static void initreqprep(struct sip_request *req, struct sip_pvt *p, char *cmd, c
l = p->fromuser;
if ((ourport != 5060) && ast_strlen_zero(p->fromdomain))
snprintf(from, sizeof(from), "\"%s\" <sip:%s@%s:%d>;tag=as%08x", n, l, strlen(p->fromdomain) ? p->fromdomain : inet_ntoa(p->ourip), ourport, p->tag);
snprintf(from, sizeof(from), "\"%s\" <sip:%s@%s:%d>;tag=as%08x", n, l, ast_strlen_zero(p->fromdomain) ? inet_ntoa(p->ourip) : p->fromdomain, ourport, p->tag);
else
snprintf(from, sizeof(from), "\"%s\" <sip:%s@%s>;tag=as%08x", n, l, strlen(p->fromdomain) ? p->fromdomain : inet_ntoa(p->ourip), p->tag);
snprintf(from, sizeof(from), "\"%s\" <sip:%s@%s>;tag=as%08x", n, l, ast_strlen_zero(p->fromdomain) ? inet_ntoa(p->ourip) : p->fromdomain, p->tag);
if (!ast_strlen_zero(p->username)) {
if (ntohs(p->sa.sin_port) != DEFAULT_SIP_PORT) {
@@ -4654,8 +4660,8 @@ static int sip_show_users(int fd, int argc, char *argv[])
static int sip_show_peers(int fd, int argc, char *argv[])
{
#define FORMAT2 "%-15.15s %-15.15s %s %s %s %-15.15s %-8s %-10s\n"
#define FORMAT "%-15.15s %-15.15s %s %s %s %-15.15s %-8d %-10s\n"
#define FORMAT2 "%-15.15s %-15.15s %s %s %s %-15.15s %-8s %-10s\n"
#define FORMAT "%-15.15s %-15.15s %s %s %s %-15.15s %-8d %-10s\n"
struct sip_peer *peer;
char name[256] = "";
if (argc != 3 && argc != 5)
@@ -4741,6 +4747,25 @@ static char *regstate2str(int regstate)
}
}
/*--- print_group: Print call group and pickup group ---*/
static void print_group(int fd, unsigned int group)
{
unsigned int i;
int first=1;
for (i=0; i<=31; i++) { /* Max group is 31 */
if (group & (1 << i)) {
if (!first) {
ast_cli(fd, ", ");
} else {
first=0;
}
ast_cli(fd, "%u", i);
}
}
ast_cli(fd, " (%u)\n", group);
}
/*--- sip_show_peer: Show one peer in detail ---*/
static int sip_show_peer(int fd, int argc, char *argv[])
{
@@ -4754,15 +4779,17 @@ static int sip_show_peer(int fd, int argc, char *argv[])
if (peer) {
ast_cli(fd,"\n\n");
ast_cli(fd, " * Name : %s\n", peer->name);
ast_cli(fd, " Secret : %s\n", strlen(peer->secret)?"<Set>":"<Not set>");
ast_cli(fd, " MD5Secret : %s\n", strlen(peer->md5secret)?"<Set>":"<Not set>");
ast_cli(fd, " Secret : %s\n", ast_strlen_zero(peer->secret)?"<Not set>":"<Set>");
ast_cli(fd, " MD5Secret : %s\n", ast_strlen_zero(peer->md5secret)?"<Not set>":"<Set>");
ast_cli(fd, " Context : %s\n", peer->context);
ast_cli(fd, " Methods : %s\n", peer->methods);
ast_cli(fd, " Language : %s\n", peer->language);
ast_cli(fd, " FromUser : %s\n", peer->fromuser);
ast_cli(fd, " FromDomain : %s\n", peer->fromdomain);
ast_cli(fd, " Callgroup : %d (bitfield, decimal)\n", peer->callgroup);
ast_cli(fd, " Pickupgroup : %d (bitfield, decimal)\n", peer->pickupgroup);
ast_cli(fd, " Callgroup : ");
print_group(fd, peer->callgroup);
ast_cli(fd, " Pickupgroup : ");
print_group(fd, peer->pickupgroup);
ast_cli(fd, " Mailbox : %s\n", peer->mailbox);
ast_cli(fd, " LastMsgsSent : %d\n", peer->lastmsgssent);
ast_cli(fd, " Dynamic : %s\n", (peer->dynamic?"Yes":"No"));
@@ -4841,8 +4868,8 @@ static int sip_show_peer(int fd, int argc, char *argv[])
static int sip_show_registry(int fd, int argc, char *argv[])
{
#define FORMAT2 "%-20.20s %-10.10s %8.8s %-20.20s\n"
#define FORMAT "%-20.20s %-10.10s %8d %-20.20s\n"
#define FORMAT2 "%-20.20s %-12.12s %8.8s %-20.20s\n"
#define FORMAT "%-20.20s %-12.12s %8d %-20.20s\n"
struct sip_registry *reg;
char host[80];
if (argc != 3)
@@ -4994,7 +5021,7 @@ static void receive_info(struct sip_pvt *p, struct sip_request *req)
if (!strcasecmp(get_header(req, "Content-Type"), "application/dtmf-relay")) {
/* Try getting the "signal=" part */
if (strlen(c = get_sdp(req, "Signal")) || strlen(c = get_sdp(req, "d"))) {
if (ast_strlen_zero(c = get_sdp(req, "Signal")) && ast_strlen_zero(c = get_sdp(req, "d"))) {
strncpy(buf, c, sizeof(buf) - 1);
} else {
ast_log(LOG_WARNING, "Unable to retrieve DTMF signal from INFO message from %s\n", p->callid);
@@ -6981,7 +7008,7 @@ static int reload_config(void)
memset(&bindaddr, 0, sizeof(bindaddr));
memset(&localnet, 0, sizeof(localnet));
memset(&localmask, 0, sizeof(localmask));
memset(&localaddr, 0, sizeof(localaddr));
memset(&externip, 0, sizeof(externip));
/* Initialize some reasonable defaults */
@@ -7053,15 +7080,13 @@ static int reload_config(void)
memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr));
}
} else if (!strcasecmp(v->name, "localnet")) {
if (!(hp = ast_gethostbyname(v->value, &ahp)))
ast_log(LOG_WARNING, "Invalid localnet keyword: %s\n", v->value);
else
memcpy(&localnet.sin_addr, hp->h_addr, sizeof(localnet.sin_addr));
} else if (!strcasecmp(v->name, "localmask")) {
if (!(hp = ast_gethostbyname(v->value, &ahp)))
ast_log(LOG_WARNING, "Invalid localmask keyword: %s\n", v->value);
struct ast_ha *na;
if (!(na = ast_append_ha("d", v->value, localaddr)))
ast_log(LOG_WARNING, "Invalid localnet value: %s\n", v->value);
else
memcpy(&localmask.sin_addr, hp->h_addr, sizeof(localmask.sin_addr));
localaddr = na;
} else if (!strcasecmp(v->name, "localmask")) {
ast_log(LOG_WARNING, "Use of localmask is deprecated; use localnet with mask syntax\n");
} else if (!strcasecmp(v->name, "externip")) {
if (!(hp = ast_gethostbyname(v->value, &ahp)))
ast_log(LOG_WARNING, "Invalid address for externip keyword: %s\n", v->value);
@@ -7560,6 +7585,10 @@ int unload_module()
ast_log(LOG_WARNING, "Unable to lock the interface list\n");
return -1;
}
/* Free memory for local network address mask */
if (localaddr) {
ast_free_ha(localaddr);
}
return 0;
}

12
configs/sip.conf.sample
View File

@@ -68,11 +68,15 @@ context = default ; Default context for incoming calls
;externip = 200.201.202.203 ; Address that we're going to put in outbound SIP messages
; if we're behind a NAT
;localnet = 192.168.1.0 ; Internal NETWORK address
;localmask = 255.255.255.0 ; Internal netmask
; The externip, localnet and localmask is used
; when registering and communication with other proxies
; The externip and localnet is used
; when registering and communicating with other proxies
; that we're registered with
; You may add multiple local networks. A reasonable set of defaults
; are:
;localnet=192.168.0.0/255.255.0.0; All RFC 1918 addresses are local networks
;localnet=10.0.0.0/255.0.0.0 ; Also RFC1918
;localnet=169.254.0.0/255.255.0.0 ;Zero conf local network
;[snomsip]
;type=friend