From 42e52fd1d61a19cd8872bfc509e5ae19224164ae Mon Sep 17 00:00:00 2001
From: Morten Tryfoss <morten@tryfoss.no>
Date: Mon, 2 Sep 2024 14:46:04 +0200
Subject: [PATCH] MT#55283 Reject OSRTP answer when not offered

Closes #1854

Change-Id: I3020166b67005b0ecf7970104dbecb36885b021e
---
 daemon/call.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/daemon/call.c b/daemon/call.c
index 1b818b66a..3dbd1437b 100644
--- a/daemon/call.c
+++ b/daemon/call.c
@@ -2359,8 +2359,12 @@ static void __update_media_protocol(struct call_media *media, struct call_media
 						media->protocol = NULL; // reject
 				}
 				// pass through any other protocol change?
-				else if (!flags->protocol_accept)
-					;
+				else if (!flags->protocol_accept) {
+					if (media->protocol && sp->protocol && !media->protocol->osrtp && sp->protocol->osrtp) {
+						ilog(LOG_WARNING, "Ignore OSRTP answer since this was not offered");
+						other_media->protocol = media->protocol;
+					}
+				}
 				else
 					media->protocol = NULL;
 			}