diff options
Diffstat (limited to 'channels/chan_sip.c')
| -rw-r--r-- | channels/chan_sip.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index c9dd6b71d..13817e34e 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -12120,7 +12120,7 @@ static attribute_unused void check_via_response(struct sip_pvt *p, struct sip_re static void check_via(struct sip_pvt *p, struct sip_request *req) { char via[512]; - char *c, *pt; + char *c, *pt, *maddr; struct hostent *hp; struct ast_hostent ahp; @@ -12136,8 +12136,16 @@ static void check_via(struct sip_pvt *p, struct sip_request *req) if (c && (c[6] != '=')) /* rport query, not answer */ ast_set_flag(&p->flags[1], SIP_PAGE2_RPORT_PRESENT); + /* Check for maddr */ + maddr = strstr(via, "maddr="); + if (maddr) { + maddr += 6; + c = maddr + strspn(maddr, "0123456789."); + *c = '\0'; + } + c = strchr(via, ';'); - if (c) + if (c) *c = '\0'; c = strchr(via, ' '); @@ -12151,6 +12159,9 @@ static void check_via(struct sip_pvt *p, struct sip_request *req) pt = strchr(c, ':'); if (pt) *pt++ = '\0'; /* remember port pointer */ + /* Use maddr if found */ + if (maddr) + c = maddr; hp = ast_gethostbyname(c, &ahp); if (!hp) { ast_log(LOG_WARNING, "'%s' is not a valid host\n", c); |