Merged revisions 168193 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

................
r168193 | mmichelson | 2009-01-09 15:53:26 -0600 (Fri, 09 Jan 2009) | 21 lines

Merged revisions 168128 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r168128 | mmichelson | 2009-01-09 14:08:04 -0600 (Fri, 09 Jan 2009) | 13 lines

Add check_via calls to more request handlers

INFO, NOTIFY, OPTIONS, REFER, and MESSAGE requests
were not checking the topmost Via to determine where
to send the response. Adding check_via calls to those
request handlers solves this.

(closes issue #13071)
Reported by: baron
Patches:
      check_via.patch uploaded by baron (license 531)
Tested by: baron

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.1@168196 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -14421,6 +14421,7 @@ static void handle_request_info(struct sip_pvt *p, struct sip_request *req)
 	unsigned int event;
 	const char *c = get_header(req, "Content-Type");
 
+	check_via(p, req);
 	/* Need to check the media/type */
 	if (!strcasecmp(c, "application/dtmf-relay") ||
 	    !strcasecmp(c, "application/vnd.nortelnetworks.digits")) {
@@ -16799,6 +16800,7 @@ static int handle_request_notify(struct sip_pvt *p, struct sip_request *req, str
 	char *eventid = NULL;
 	char *sep;
 
+	check_via(p, req);
 	if( (sep = strchr(event, ';')) ) {	/* XXX bug here - overwriting string ? */
 		*sep++ = '\0';
 		eventid = sep;
@@ -16937,6 +16939,7 @@ static int handle_request_options(struct sip_pvt *p, struct sip_request *req)
 			(this needs to be fixed in 1.4 as well)
 	*/
 
+	check_via(p, req);
 	if (p->lastinvite) {
 		/* if this is a request in an active dialog, just confirm that the dialog exists. */
 		transmit_response_with_allow(p, "200 OK", req, 0);
@@ -18242,6 +18245,7 @@ static int handle_request_refer(struct sip_pvt *p, struct sip_request *req, int
 
 	int res = 0;
 
+	check_via(p, req);
 	if (req->debug)
 		ast_verbose("Call %s got a SIP call transfer from %s: (REFER)!\n", p->callid, ast_test_flag(&p->flags[0], SIP_OUTGOING) ? "callee" : "caller");
 
@@ -18781,6 +18785,7 @@ static int handle_request_bye(struct sip_pvt *p, struct sip_request *req)
 static int handle_request_message(struct sip_pvt *p, struct sip_request *req)
 {
 	if (!req->ignore) {
+		check_via(p, req);
 		if (req->debug)
 			ast_verbose("Receiving message!\n");
 		receive_message(p, req);