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Handle failure of hash_questions()

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This commit is contained in:
Tomas Hozza
2014-03-25 20:52:28 +00:00
committed by Simon Kelley
parent fc2833f172
commit b37f8b99ae
1 changed files with 33 additions and 29 deletions
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4
src/forward.c
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@@ -1417,6 +1417,7 @@ static int tcp_check_for_unsigned_zone(time_t now, struct dns_header *header, s
/* We rely on the question section coming back unchanged, ensure it is with the hash. */
if ((newhash = hash_questions(header, (unsigned int)m, name)))
{
memcpy(hash, newhash, HASH_SIZE);
*length = htons(m);
@@ -1457,6 +1458,7 @@ static int tcp_check_for_unsigned_zone(time_t now, struct dns_header *header, s
}
}
}
}
free(packet);
@@ -1731,6 +1733,8 @@ unsigned char *tcp_request(int confd, time_t now,
unsigned char *newhash, hash[HASH_SIZE];
if ((newhash = hash_questions(header, (unsigned int)size, daemon->keyname)))
memcpy(hash, newhash, HASH_SIZE);
else
memset(hash, 0, HASH_SIZE);
#else
unsigned int crc = questions_crc(header, (unsigned int)size, daemon->namebuff);
#endif