[asterisk-commits] kmoore: branch 12 r398206 - /branches/12/res/res_pjsip_dtmf_info.c

[SVN commits to the Asterisk project]

Author: kmoore
Date: Tue Sep  3 13:08:20 2013
New Revision: 398206

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=398206
Log:
Prevent a crash in res_pjsip_dtmf_info.c

This change makes sure that a content type header exists before
checking the contents of the header against known SIP INFO DTMF content
types.

Modified:
    branches/12/res/res_pjsip_dtmf_info.c

Modified: branches/12/res/res_pjsip_dtmf_info.c
URL: http://svnview.digium.com/svn/asterisk/branches/12/res/res_pjsip_dtmf_info.c?view=diff&rev=398206&r1=398205&r2=398206
==============================================================================
--- branches/12/res/res_pjsip_dtmf_info.c (original)
+++ branches/12/res/res_pjsip_dtmf_info.c Tue Sep  3 13:08:20 2013
@@ -34,8 +34,9 @@
 
 static int is_media_type(pjsip_rx_data *rdata, char *subtype)
 {
-	return !pj_strcmp2(&rdata->msg_info.ctype->media.type, "application") &&
-		!pj_strcmp2(&rdata->msg_info.ctype->media.subtype, subtype);
+	return rdata->msg_info.ctype
+		&& !pj_strcmp2(&rdata->msg_info.ctype->media.type, "application")
+		&& !pj_strcmp2(&rdata->msg_info.ctype->media.subtype, subtype);
 }
 
 static void send_response(struct ast_sip_session *session,