void
key_cache_insert(struct key_cache* kcache, struct key_entry_key* kkey,
struct module_qstate* qstate)
{
struct key_entry_key* k = key_entry_copy(kkey);
if(!k)
return;
if(key_entry_isbad(k) && qstate->errinf &&
qstate->env->cfg->val_log_level >= 2) {
/* on malloc failure there is simply no reason string */
key_entry_set_reason(k, errinf_to_str(qstate));
}
key_entry_hash(k);
slabhash_insert(kcache->slab, k->entry.hash, &k->entry,
k->entry.data, NULL);
}
int
iter_indicates_dnssec(struct module_env* env, struct delegpt* dp,
struct dns_msg* msg, uint16_t dclass)
{
struct trust_anchor* a;
/* information not available, !env->anchors can be common */
if(!env || !env->anchors || !dp || !dp->name)
return 0;
/* a trust anchor exists with this name, RRSIGs expected */
if((a=anchor_find(env->anchors, dp->name, dp->namelabs, dp->namelen,
dclass))) {
lock_basic_unlock(&a->lock);
return 1;
}
/* see if DS rrset was given, in AUTH section */
if(msg && msg->rep &&
reply_find_rrset_section_ns(msg->rep, dp->name, dp->namelen,
LDNS_RR_TYPE_DS, dclass))
return 1;
/* look in key cache */
if(env->key_cache) {
struct key_entry_key* kk = key_cache_obtain(env->key_cache,
dp->name, dp->namelen, dclass, env->scratch, *env->now);
if(kk) {
if(query_dname_compare(kk->name, dp->name) == 0) {
if(key_entry_isgood(kk) || key_entry_isbad(kk)) {
regional_free_all(env->scratch);
return 1;
} else if(key_entry_isnull(kk)) {
regional_free_all(env->scratch);
return 0;
}
}
regional_free_all(env->scratch);
}
}
return 0;
}