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Add subnetcache support

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TCY16 2022-11-24 16:11:42 +01:00
parent a7ac109e4e
commit 79d39e7f4d
1 changed files with 13 additions and 0 deletions
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13
services/cache/dns.c vendored
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@ -182,6 +182,9 @@ dns_cache_store_msg(struct module_env* env, struct query_info* qinfo,
/* we do not store the message, but we did store the RRs,
* which could be useful for delegation information */
verbose(VERB_ALGO, "TTL 0: dropped msg from cache");
if (rep->reason_bogus_str_size) {
free(rep->reason_bogus_str);
}
free(rep);
/* if the message is SERVFAIL in cache, remove that SERVFAIL,
* so that the TTL 0 response can be returned for future
@ -610,6 +613,8 @@ gen_dns_msg(struct regional* region, struct query_info* q, size_t num)
if(!msg->rep)
return NULL;
msg->rep->reason_bogus = LDNS_EDE_NONE;
msg->rep->reason_bogus_str_size = 0;
msg->rep->reason_bogus_str = NULL;
if(num > RR_COUNT_MAX)
return NULL; /* integer overflow protection */
msg->rep->rrsets = (struct ub_packed_rrset_key**)
@ -664,6 +669,11 @@ tomsg(struct module_env* env, struct query_info* q, struct reply_info* r,
msg->rep->rrset_count = r->rrset_count;
msg->rep->authoritative = r->authoritative;
msg->rep->reason_bogus = r->reason_bogus;
if (r->reason_bogus_str_size > 0) {
msg->rep->reason_bogus_str = strdup(r->reason_bogus_str);
msg->rep->reason_bogus_str_size = r->reason_bogus_str_size;
}
if(!rrset_array_lock(r->ref, r->rrset_count, now_control)) {
return NULL;
}
@ -1083,6 +1093,9 @@ dns_cache_store(struct module_env* env, struct query_info* msgqinf,
((ntohs(ref.key->rk.type)==LDNS_RR_TYPE_NS
&& !pside) ? qstarttime:*env->now + leeway));
}
if (rep->reason_bogus_str_size) {
free(rep->reason_bogus_str);
}
free(rep);
return 1;
} else {