[Asterisk-cvs] asterisk/channels chan_sip.c,1.679,1.680

markster at lists.digium.com markster at lists.digium.com
Sat Mar 19 16:52:35 CST 2005


Update of /usr/cvsroot/asterisk/channels
In directory mongoose.digium.com:/tmp/cvs-serv14536/channels

Modified Files:
	chan_sip.c 
Log Message:
Strengthen RFC conformity with respect to tags and stupid SIP complexities. 


Index: chan_sip.c
===================================================================
RCS file: /usr/cvsroot/asterisk/channels/chan_sip.c,v
retrieving revision 1.679
retrieving revision 1.680
diff -u -d -r1.679 -r1.680
--- chan_sip.c	19 Mar 2005 22:42:29 -0000	1.679
+++ chan_sip.c	19 Mar 2005 22:47:32 -0000	1.680
@@ -2567,7 +2567,7 @@
 			strncpy(tmp, get_header(req, "To"), sizeof(tmp) - 1);
 		else
 			strncpy(tmp, get_header(req, "From"), sizeof(tmp) - 1);
-		tag = strstr(tmp, "tag=");
+		tag = strcasestr(tmp, "tag=");
 		if (tag) {
 			tag += 4;
 			c = strchr(tag, ';');
@@ -3320,7 +3320,7 @@
 		copy_all_header(resp, req, "Record-Route");
 	copy_header(resp, req, "From");
 	ot = get_header(req, "To");
-	if (!strstr(ot, "tag=")) {
+	if (!strcasestr(ot, "tag=") && strncmp(msg, "100", 3)) {
 		/* Add the proper tag if we don't have it already.  If they have specified
 		   their tag, use it.  Otherwise, use our own tag */
 		if (!ast_strlen_zero(p->theirtag) && ast_test_flag(p, SIP_OUTGOING))
@@ -3429,7 +3429,7 @@
 
 	/* Add tag *unless* this is a CANCEL, in which case we need to send it exactly
 	   as our original request, including tag (or presumably lack thereof) */
-	if (!strstr(ot, "tag=") && sipmethod != SIP_CANCEL) {
+	if (!strcasestr(ot, "tag=") && sipmethod != SIP_CANCEL) {
 		/* Add the proper tag if we don't have it already.  If they have specified
 		   their tag, use it.  Otherwise, use our own tag */
 		if (ast_test_flag(p, SIP_OUTGOING) && !ast_strlen_zero(p->theirtag))
@@ -7470,7 +7470,7 @@
 
 	/* Get their tag if we haven't already */
 	to = get_header(req, "To");
-	to = strstr(to, "tag=");
+	to = strcasestr(to, "tag=");
 	if (to) {
 		to += 4;
 		strncpy(p->theirtag, to, sizeof(p->theirtag) - 1);
@@ -8634,7 +8634,7 @@
 	/* Find their tag if we haven't got it */
 	if (ast_strlen_zero(p->theirtag)) {
 		from = get_header(req, "From");
-		from = strstr(from, "tag=");
+		from = strcasestr(from, "tag=");
 		if (from) {
 			from += 4;
 			strncpy(p->theirtag, from, sizeof(p->theirtag) - 1);




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