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chan_sip: Decline image streams on unsupported transports

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This change allows chan_sip to decline individual image streams over
unsupported transports in the SDP of the 200 response. Previously,
an image stream offer with RTP/AVP as the transport would cause
chan_sip to respond with a 488.

(closes issue ASTERISK-22988)
Reported by: adomjan
Original patch by: adomjan


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@406170 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kinsey Moore
2014-01-22 18:27:19 +00:00
parent b4023b47d1
commit 1dd94a2e19
1 changed files with 4 additions and 1 deletions
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5
channels/chan_sip.c
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@@ -9366,7 +9366,7 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req, int t38action
int image = FALSE; int image = FALSE;
int text = FALSE; int text = FALSE;
int processed_crypto = FALSE; int processed_crypto = FALSE;
char protocol[5] = {0,}; char protocol[18] = {0,};
int x; int x;
numberofports = 0; numberofports = 0;
@@ -9550,6 +9550,9 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req, int t38action
* respond with the EC they want to use */ * respond with the EC they want to use */
ast_udptl_set_error_correction_scheme(p->udptl, UDPTL_ERROR_CORRECTION_NONE); ast_udptl_set_error_correction_scheme(p->udptl, UDPTL_ERROR_CORRECTION_NONE);
} }
} else if (sscanf(m, "image %30u %17s t38%n", &x, protocol, &len) == 2 && len > 0) {
ast_log(LOG_WARNING, "Declining image stream due to unsupported transport: %s\n", m);
continue;
} else { } else {
ast_log(LOG_WARNING, "Rejecting image media offer due to invalid or unsupported syntax: %s\n", m); ast_log(LOG_WARNING, "Rejecting image media offer due to invalid or unsupported syntax: %s\n", m);
return -1; return -1;