summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAndriy Gelman <andriy.gelman@gmail.com>2020-11-26 19:37:21 -0500
committerAndriy Gelman <andriy.gelman@gmail.com>2020-11-28 12:27:53 -0500
commitf3891430fc15cc8a1b7a16916030962e0a4d609c (patch)
treecc9a1640d9d1f47a8fd18baef41a0dfbd34f46ed
parentb0019b909be7a735b09f89207272294008ff2c0c (diff)
avformat/rtspdec: fix potential mem leak in listen mode
Currently a repeating setup request (with the same stream id) will simply overwrite rtp_handle/transport_priv without freeing the resources first. This is fixed by closing the previous setup request. Reviewed-by: Martin Storsjö <martin@martin.st> Signed-off-by: Andriy Gelman <andriy.gelman@gmail.com>
-rw-r--r--libavformat/rtspdec.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/libavformat/rtspdec.c b/libavformat/rtspdec.c
index be11576913..221f44b20b 100644
--- a/libavformat/rtspdec.c
+++ b/libavformat/rtspdec.c
@@ -274,6 +274,17 @@ static int rtsp_read_setup(AVFormatContext *s, char* host, char *controlurl)
rtsp_st = rt->rtsp_streams[streamid];
localport = rt->rtp_port_min;
+ /* check if the stream has already been setup */
+ if (rtsp_st->transport_priv) {
+ if (CONFIG_RTPDEC && rt->transport == RTSP_TRANSPORT_RDT)
+ ff_rdt_parse_close(rtsp_st->transport_priv);
+ else if (CONFIG_RTPDEC && rt->transport == RTSP_TRANSPORT_RTP)
+ ff_rtp_parse_close(rtsp_st->transport_priv);
+ rtsp_st->transport_priv = NULL;
+ }
+ if (rtsp_st->rtp_handle)
+ ffurl_closep(&rtsp_st->rtp_handle);
+
if (request.transports[0].lower_transport == RTSP_LOWER_TRANSPORT_TCP) {
rt->lower_transport = RTSP_LOWER_TRANSPORT_TCP;
if ((ret = ff_rtsp_open_transport_ctx(s, rtsp_st))) {