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lavf: block special characters in dump metadata 

This is limited to the chars that arent filtered by av_log() already
we might filter more aggressively if theres some case where this becomes
needed.

Fixes Ticket1181

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-08-08 21:13:15 +02:00
parent ee475e272e
commit b615dbb319
1 changed files with 1 additions and 1 deletions
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2
libavformat/utils.c
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@ -3812,7 +3812,7 @@ static void dump_metadata(void *ctx, AVDictionary *m, const char *indent)
av_log(ctx, AV_LOG_INFO, "%s %-16s: ", indent, tag->key);
while(*p) {
char tmp[256];
size_t len = strcspn(p, "\xd\xa");
size_t len = strcspn(p, "\x8\xa\xb\xc\xd");
av_strlcpy(tmp, p, FFMIN(sizeof(tmp), len+1));
av_log(ctx, AV_LOG_INFO, "%s", tmp);
p += len;