From e5542ab1e7d8780b541e1c3803dc8d4e4983d8ea Mon Sep 17 00:00:00 2001 From: Kinsey Moore Date: Tue, 3 Sep 2013 18:09:02 +0000 Subject: 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. ........ Merged revisions 398206 from http://svn.asterisk.org/svn/asterisk/branches/12 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@398207 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- res/res_pjsip_dtmf_info.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'res') diff --git a/res/res_pjsip_dtmf_info.c b/res/res_pjsip_dtmf_info.c index 72f93dc46..6a1ce20ff 100644 --- a/res/res_pjsip_dtmf_info.c +++ b/res/res_pjsip_dtmf_info.c @@ -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, -- cgit v1.2.3