From 13e21bff6a6a8db4da71bcfcc331224733a064ea Mon Sep 17 00:00:00 2001
From: ns6089 <61738816+ns6089@users.noreply.github.com>
Date: Tue, 15 Oct 2024 15:36:32 +0300
Subject: [PATCH] Guard against rtsp response with no content

---
 src/RtspConnection.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/RtspConnection.c b/src/RtspConnection.c
index 01b15b1..60d5bf4 100644
--- a/src/RtspConnection.c
+++ b/src/RtspConnection.c
@@ -1059,6 +1059,12 @@ int performRtspHandshake(PSERVER_INFORMATION serverInfo) {
             ret = response.message.response.statusCode;
             goto Exit;
         }
+
+        if (!response.payload) {
+            Limelog("RTSP DESCRIBE no content in response\n");
+            ret = -1;
+            goto Exit;
+        }
         
         if ((StreamConfig.supportedVideoFormats & VIDEO_FORMAT_MASK_AV1) && strstr(response.payload, "AV1/90000")) {
             if ((serverInfo->serverCodecModeSupport & SCM_AV1_HIGH10_444) && (StreamConfig.supportedVideoFormats & VIDEO_FORMAT_AV1_HIGH10_444)) {