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Enable support for RFC3581 (bug #1862)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3224 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.0
Mark Spencer 22 years ago
parent be9d4b4333
commit 7538cee13b
1 changed files with 11 additions and 5 deletions
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16
channels/chan_sip.c
Unescape View File

@ -2645,6 +2645,9 @@ static int copy_via_headers(struct sip_pvt *p, struct sip_request *req, struct s
tmp = __get_header(orig, field, &start);
if (!ast_strlen_zero(tmp)) {
if (!copied && p->nat) {
/* Whoo hoo! Now we can indicate port address translation too! Just
another RFC (RFC3581). I'll leave the original comments in for
posterity. */
#ifdef THE_SIP_AUTHORS_CAN_SUCK_MY_GONADS
/* SLD: FIXME: Nice try, but the received= should not have a port */
/* SLD: FIXME: See RFC2543 BNF in Section 6.40.5 */
@ -2654,7 +2657,7 @@ static int copy_via_headers(struct sip_pvt *p, struct sip_request *req, struct s
snprintf(new, sizeof(new), "%s;received=%s:%d", tmp, inet_ntoa(p->recv.sin_addr), ntohs(p->recv.sin_port));
else
#endif
snprintf(new, sizeof(new), "%s;received=%s", tmp, inet_ntoa(p->recv.sin_addr));
snprintf(new, sizeof(new), "%s;received=%s;rport=%d", tmp, inet_ntoa(p->recv.sin_addr), ntohs(p->recv.sin_port));
add_header(req, field, new);
} else {
/* Add what we're responding to */
@ -2854,7 +2857,7 @@ static int reqprep(struct sip_request *req, struct sip_pvt *p, char *msg, int se
if (newbranch) {
p->branch ^= rand();
snprintf(p->via, sizeof(p->via), "SIP/2.0/UDP %s:%d;branch=z9hG4bK%08x", inet_ntoa(p->ourip), ourport, p->branch);
snprintf(p->via, sizeof(p->via), "SIP/2.0/UDP %s:%d;branch=z9hG4bK%08x;rport", inet_ntoa(p->ourip), ourport, p->branch);
}
if (!ast_strlen_zero(p->uri)) {
@ -3434,7 +3437,7 @@ static int transmit_invite(struct sip_pvt *p, char *cmd, int sdp, char *auth, ch
if (init) {
/* Bump branch even on initial requests */
p->branch ^= rand();
snprintf(p->via, sizeof(p->via), "SIP/2.0/UDP %s:%d;branch=z9hG4bK%08x", inet_ntoa(p->ourip), ourport, p->branch);
snprintf(p->via, sizeof(p->via), "SIP/2.0/UDP %s:%d;branch=z9hG4bK%08x;rport", inet_ntoa(p->ourip), ourport, p->branch);
initreqprep(&req, p, cmd, vxml_url);
} else
reqprep(&req, p, cmd, 0, 1);
@ -3735,7 +3738,7 @@ static int transmit_register(struct sip_registry *r, char *cmd, char *auth, char
p->ocseq = r->ocseq;
/* z9hG4bK is a magic cookie. See RFC 3261 section 8.1.1.7 */
snprintf(via, sizeof(via), "SIP/2.0/UDP %s:%d;branch=z9hG4bK%08x", inet_ntoa(p->ourip), ourport, p->branch);
snprintf(via, sizeof(via), "SIP/2.0/UDP %s:%d;branch=z9hG4bK%08x;rport", inet_ntoa(p->ourip), ourport, p->branch);
add_header(&req, "Via", via);
add_header(&req, "From", from);
add_header(&req, "To", to);
@ -4704,6 +4707,9 @@ static int check_via(struct sip_pvt *p, struct sip_request *req)
p->sa.sin_family = AF_INET;
memcpy(&p->sa.sin_addr, hp->h_addr, sizeof(p->sa.sin_addr));
p->sa.sin_port = htons(pt ? atoi(pt) : DEFAULT_SIP_PORT);
c = strstr(via, ";rport");
if (c && (c[6] != '='))
p->nat = 1;
if (sip_debug_test_pvt(p)) {
if (p->nat)
ast_verbose("Sending to %s : %d (NAT)\n", inet_ntoa(p->sa.sin_addr), ntohs(p->sa.sin_port));
@ -6862,7 +6868,7 @@ static int sip_send_mwi_to_peer(struct sip_peer *peer)
if (ast_sip_ouraddrfor(&p->sa.sin_addr,&p->ourip))
memcpy(&p->ourip, &__ourip, sizeof(p->ourip));
/* z9hG4bK is a magic cookie. See RFC 3261 section 8.1.1.7 */
snprintf(p->via, sizeof(p->via), "SIP/2.0/UDP %s:%d;branch=z9hG4bK%08x", inet_ntoa(p->ourip), ourport, p->branch);
snprintf(p->via, sizeof(p->via), "SIP/2.0/UDP %s:%d;branch=z9hG4bK%08x;rport", inet_ntoa(p->ourip), ourport, p->branch);
build_callid(p->callid, sizeof(p->callid), p->ourip);
/* Send MWI */
p->outgoing = 1;

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