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Fix bug #1961

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Fix crash when receiving an INVITE message with an empty body
This commit is contained in:
François Grisez 2015-02-03 14:53:42 +01:00
parent 53bc2cd5a0
commit d2d0458cae
1 changed files with 11 additions and 3 deletions
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14
coreapi/bellesip_sal/sal_op_call.c
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@ -389,7 +389,8 @@ static void unsupported_method(belle_sip_server_transaction_t* server_transactio
*
**/
static int extract_sdp(SalOp *op, belle_sip_message_t* message,belle_sdp_session_description_t** session_desc, SalReason *error) {
belle_sip_header_content_type_t* content_type=belle_sip_message_get_header_by_type(message,belle_sip_header_content_type_t);
const char *body;
belle_sip_header_content_type_t* content_type;
if (op&&op->sdp_removal){
ms_error("Removed willingly SDP because sal_call_enable_sdp_removal was set to TRUE.");
@ -397,11 +398,18 @@ static int extract_sdp(SalOp *op, belle_sip_message_t* message,belle_sdp_session
*error=SalReasonNotAcceptable;
return -1;
}
body = belle_sip_message_get_body(message);
if(body == NULL) {
*session_desc = NULL;
return 0;
}
content_type = belle_sip_message_get_header_by_type(message,belle_sip_header_content_type_t);
if (content_type){
if (strcmp("application",belle_sip_header_content_type_get_type(content_type))==0
&& strcmp("sdp",belle_sip_header_content_type_get_subtype(content_type))==0) {
*session_desc=belle_sdp_session_description_parse(belle_sip_message_get_body(message));
*session_desc=belle_sdp_session_description_parse(body);
if (*session_desc==NULL) {
ms_error("Failed to parse SDP message.");
*error=SalReasonNotAcceptable;