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Negative caching for DS records.

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This commit is contained in:
Simon Kelley
2014-02-27 14:30:03 +00:00
parent b47b04c846
commit b8eac19177
3 changed files with 104 additions and 48 deletions
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34
src/cache.c
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@@ -564,7 +564,14 @@ struct crec *cache_insert(char *name, struct all_addr *addr,
*cache_get_name(new) = 0;
if (addr)
new->addr.addr = *addr;
{
#ifdef HAVE_DNSSEC
if (flags & (F_DS | F_DNSKEY))
new->uid = addr->addr.dnssec.class;
else
#endif
new->addr.addr = *addr;
}
new->ttd = now + (time_t)ttl;
new->next = new_chain;
@@ -1304,25 +1311,16 @@ void dump_cache(time_t now)
else if (cache->flags & F_DS)
{
if (cache->flags & F_DNSKEY)
{
/* RRSIG */
a = daemon->addrbuff;
sprintf(a, "%5u %3u %s", cache->addr.sig.keytag,
cache->addr.sig.algo, querystr("", cache->addr.sig.type_covered));
}
else
{
a = daemon->addrbuff;
sprintf(a, "%5u %3u %3u", cache->addr.ds.keytag,
cache->addr.ds.algo, cache->addr.ds.digest);
}
/* RRSIG */
sprintf(a, "%5u %3u %s", cache->addr.sig.keytag,
cache->addr.sig.algo, querystr("", cache->addr.sig.type_covered));
else if (!(cache->flags & F_NEG))
sprintf(a, "%5u %3u %3u", cache->addr.ds.keytag,
cache->addr.ds.algo, cache->addr.ds.digest);
}
else if (cache->flags & F_DNSKEY)
{
a = daemon->addrbuff;
sprintf(a, "%5u %3u %3u", cache->addr.key.keytag,
cache->addr.key.algo, cache->addr.key.flags);
}
sprintf(a, "%5u %3u %3u", cache->addr.key.keytag,
cache->addr.key.algo, cache->addr.key.flags);
#endif
else if (!(cache->flags & F_NEG) || !(cache->flags & F_FORWARD))
{