From: Joshua C. Colp <jcolp@sangoma.com>
Date: Tue, 13 Dec 2022 15:25:17 +0000 (-0400)
Subject: res_pjsip_aoc: Don't assume a body exists on responses.
X-Git-Tag: 18.16.0-rc1~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b65aa359c4c552282dbee553d0bcb44bac865f2b;p=thirdparty%2Fasterisk.git

res_pjsip_aoc: Don't assume a body exists on responses.

When adding AOC to an outgoing response the code
assumed that a body would exist for comparing the
Content-Type. This isn't always true.

The code now checks to make sure the response has
a body before checking the Content-Type.

ASTERISK-21502

Change-Id: Iaead371434fc3bc693dad487228106a7d7a5ac76
---

diff --git a/res/res_pjsip_aoc.c b/res/res_pjsip_aoc.c
index dba4e269a8..6e3d81dec6 100644
--- a/res/res_pjsip_aoc.c
+++ b/res/res_pjsip_aoc.c
@@ -628,7 +628,7 @@ static void aoc_invite_outgoing_response(struct ast_sip_session *session,
 		return;
 	}
 
-	if (pjsip_media_type_cmp(&tdata->msg->body->content_type,
+	if (tdata->msg->body && pjsip_media_type_cmp(&tdata->msg->body->content_type,
 			&pjsip_media_type_multipart_mixed, 0) == 0) {
 		multipart_body = tdata->msg->body;
 	} else {