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Be sure we still check for proper buffer length
author
Mark Spencer
<markster@digium.com>
Tue, 31 Aug 2004 05:09:20 +0000
(
05:09
+0000)
committer
Mark Spencer
<markster@digium.com>
Tue, 31 Aug 2004 05:09:20 +0000
(
05:09
+0000)
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3685
65c4cc65
-6c06-0410-ace0-
fbb531ad65f3
rtp.c
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diff --git
a/rtp.c
b/rtp.c
index
02b30bc
..
4468068
100755
(executable)
--- a/
rtp.c
+++ b/
rtp.c
@@
-452,6
+452,11
@@
struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
hdrlen += (rtpheader[3] & 0xffff) << 2;
}
+ if (res < hdrlen) {
+ ast_log(LOG_WARNING, "RTP Read too short (%d, expecting %d)\n", res, hdrlen);
+ return &null_frame;
+ }
+
#if 0
printf("Got RTP packet from %s:%d (type %d, seq %d, ts %d, len = %d)\n", ast_inet_ntoa(iabuf, sizeof(iabuf), sin.sin_addr), ntohs(sin.sin_port), payloadtype, seqno, timestamp,res - hdrlen);
#endif