[sr-dev] git:master:fab1b5dc: dialog: handle replies to local cancel for cseq updates

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: fab1b5dc4edc74555b965a6c305d7643629e0225
URL: https://github.com/kamailio/kamailio/commit/fab1b5dc4edc74555b965a6c305d7643629e0225

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2017-01-12T16:35:18+01:00

dialog: handle replies to local cancel for cseq updates

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Modified: src/modules/dialog/dlg_cseq.c

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Diff:  https://github.com/kamailio/kamailio/commit/fab1b5dc4edc74555b965a6c305d7643629e0225.diff
Patch: https://github.com/kamailio/kamailio/commit/fab1b5dc4edc74555b965a6c305d7643629e0225.patch

---

diff --git a/src/modules/dialog/dlg_cseq.c b/src/modules/dialog/dlg_cseq.c
index 41c9864..98fae28 100644
--- a/src/modules/dialog/dlg_cseq.c
+++ b/src/modules/dialog/dlg_cseq.c
@@ -78,25 +78,24 @@ static int dlg_cseq_prepare_msg(sip_msg_t *msg)
 		/* reply to local transaction -- nothing to do */
 		if (parse_headers(msg, HDR_VIA2_F, 0)==-1
 				|| (msg->via2==0) || (msg->via2->error!=PARSE_OK)) {
-			LM_DBG("no second via in this message \n");
-			return 3;
+			if(get_cseq(msg)->method_id != METHOD_CANCEL) {
+				LM_DBG("no second via in this message \n");
+				return 3;
+			}
 		}
 	}
 
-	if(parse_from_header(msg)<0)
-	{
+	if(parse_from_header(msg)<0) {
 		LM_ERR("cannot parse FROM header\n");
 		return 3;
 	}
 
-	if(parse_to_header(msg)<0 || msg->to==NULL)
-	{
+	if(parse_to_header(msg)<0 || msg->to==NULL) {
 		LM_ERR("cannot parse TO header\n");
 		return 3;
 	}
 
-	if(get_to(msg)==NULL)
-	{
+	if(get_to(msg)==NULL) {
 		LM_ERR("cannot get TO header\n");
 		return 3;
 	}