diff options
Diffstat (limited to 'channels/chan_sip.c')
| -rw-r--r-- | channels/chan_sip.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 67a2156d7..e52cbd7bf 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -6800,7 +6800,7 @@ static int get_also_info(struct sip_pvt *p, struct sip_request *oreq) return -1; } -/*! \brief check_via: check Via: headers ---*/ +/*! \brief check Via: header for hostname, port and rport request/answer */ static int check_via(struct sip_pvt *p, struct sip_request *req) { char via[256]; @@ -6810,9 +6810,16 @@ static int check_via(struct sip_pvt *p, struct sip_request *req) struct ast_hostent ahp; ast_copy_string(via, get_header(req, "Via"), sizeof(via)); + + /* Check for rport */ + c = strstr(via, ";rport"); + if (c && (c[6] != '=')) /* rport query, not answer */ + ast_set_flag(p, SIP_NAT_ROUTE); + c = strchr(via, ';'); if (c) *c = '\0'; + c = strchr(via, ' '); if (c) { *c = '\0'; @@ -6833,9 +6840,7 @@ 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] != '=')) /* rport query, not answer */ - ast_set_flag(p, SIP_NAT_ROUTE); + if (sip_debug_test_pvt(p)) { c = (ast_test_flag(p, SIP_NAT) & SIP_NAT_ROUTE) ? "NAT" : "non-NAT"; ast_verbose("Sending to %s : %d (%s)\n", ast_inet_ntoa(iabuf, sizeof(iabuf), p->sa.sin_addr), ntohs(p->sa.sin_port), c); |