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authormarkster <markster@f38db490-d61c-443f-a65b-d21fe96a405b>2004-04-15 16:02:42 +0000
committermarkster <markster@f38db490-d61c-443f-a65b-d21fe96a405b>2004-04-15 16:02:42 +0000
commit29823f285598a9170b1d2a706e6b83d4751acaba (patch)
tree27bcfd3420d505259e7988a591eae49bcf1df627 /formats/format_wav.c
parent1e5762ae0a44ba6ae2b0f3b500e36c49634026d0 (diff)
Do proper bounds checking in formats (bug #1356)
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@2694 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'formats/format_wav.c')
-rwxr-xr-xformats/format_wav.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/formats/format_wav.c b/formats/format_wav.c
index dbca8ed50..52f1508ab 100755
--- a/formats/format_wav.c
+++ b/formats/format_wav.c
@@ -525,8 +525,9 @@ static int wav_seek(struct ast_filestream *fs, long sample_offset, int whence)
offset = max - samples;
if (whence != SEEK_FORCECUR) {
offset = (offset > max)?max:offset;
- offset = (offset < min)?min:offset;
}
+ // always protect the header space.
+ offset = (offset < min)?min:offset;
return lseek(fs->fd,offset,SEEK_SET);
}