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rtsp: Check for command strings without spaces

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Prevent a NULL-pointer dereference.

CC: libav-stable@libav.org
This commit is contained in:
Luca Barbato 2014-10-09 20:13:54 +02:00
parent 09e1ccc8cd
commit c27328e749
1 changed files with 4 additions and 0 deletions
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4
libavformat/rtspdec.c
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@ -360,6 +360,10 @@ static inline int parse_command_line(AVFormatContext *s, const char *line,
RTSPState *rt = s->priv_data;
const char *linept, *searchlinept;
linept = strchr(line, ' ');
if (!linept)
return AVERROR_INVALIDDATA;
if (linept - line > methodsize - 1) {
av_log(s, AV_LOG_ERROR, "Method string too long\n");
return AVERROR(EIO);