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| author | Christian Neukirchen <chneukirchen@gmail.com> | 2016-07-13 21:08:05 +0200 |
|---|---|---|
| committer | Christian Neukirchen <chneukirchen@gmail.com> | 2016-07-13 21:08:05 +0200 |
| commit | 411c9b632adfad234aacf9724c26d19ee38c1a8b (patch) | |
| tree | 6ef0269fc7937df4b12fa6acfbd4a719f12ef98a /blaze822.c | |
| parent | 11c9ce78f1f8a772db2a6f82e745e6b42adf943f (diff) | |
| download | mblaze-411c9b632adfad234aacf9724c26d19ee38c1a8b.tar.gz mblaze-411c9b632adfad234aacf9724c26d19ee38c1a8b.tar.xz mblaze-411c9b632adfad234aacf9724c26d19ee38c1a8b.zip | |
blaze822: detect too short/empty headers
Diffstat (limited to 'blaze822.c')
| -rw-r--r-- | blaze822.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/blaze822.c b/blaze822.c index 6d1b643..4276323 100644 --- a/blaze822.c +++ b/blaze822.c @@ -404,6 +404,9 @@ blaze822_hdr_(struct message *mesg, const char *hdr, size_t hdrlen) { char *v; + if (mesg->msg + hdrlen - 1 >= mesg->end) + return 0; // header too small for the key, probably empty + // special case: first header, no leading nul if (memcmp(mesg->msg, hdr+1, hdrlen-1) == 0) v = mesg->msg; |