TeaSpeak/tomcrypt
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catch case where we could BOF should_buffer[]

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This commit is contained in:
Steffen Jaeckel 2017-09-20 17:29:05 +02:00
parent b6213309ca
commit 9a83397376
1 changed files with 5 additions and 0 deletions
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5
demos/hashsum.c
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@ -98,6 +98,11 @@ static void check_file(int argn, int argc, char **argv)
hash_len = space - s; hash_len = space - s;
hash_len /= 2; hash_len /= 2;
if (hash_len > sizeof(should_buffer)) {
fprintf(stderr, "%s: hash too long\n", hashsum);
goto ERR;
}
/* convert the hex-string back to binary */ /* convert the hex-string back to binary */
for (x = 0; x < hash_len; ++x) { for (x = 0; x < hash_len; ++x) {
should_buffer[x] = HEXOF(s[x*2]) << 4 | HEXOF(s[x*2 + 1]); should_buffer[x] = HEXOF(s[x*2]) << 4 | HEXOF(s[x*2 + 1]);