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Handle integer overflow in uid counter. Fixes rare crashes in cache code.

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This commit is contained in:
Simon Kelley
2014-03-16 22:56:58 +00:00
parent 0c8584eabc
commit 3f7483e816
4 changed files with 23 additions and 16 deletions
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4
src/dnssec.c
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@@ -827,7 +827,7 @@ static int validate_rrset(time_t now, struct dns_header *header, size_t plen, in
for (; crecp; crecp = cache_find_by_name(crecp, keyname, now, F_DNSKEY))
if (crecp->addr.key.algo == algo &&
crecp->addr.key.keytag == key_tag &&
crecp->uid == class &&
crecp->uid == (unsigned int)class &&
verify(crecp->addr.key.keydata, crecp->addr.key.keylen, sig, sig_len, digest, hash->digest_size, algo))
return (labels < name_labels) ? STAT_SECURE_WILDCARD : STAT_SECURE;
}
@@ -932,7 +932,7 @@ int dnssec_validate_by_ds(time_t now, struct dns_header *header, size_t plen, ch
if (recp1->addr.ds.algo == algo &&
recp1->addr.ds.keytag == keytag &&
recp1->uid == class &&
recp1->uid == (unsigned int)class &&
(hash = hash_find(ds_digest_name(recp1->addr.ds.digest))) &&
hash_init(hash, &ctx, &digest))