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Merge pull request #1041 from NLnetLabs/stubfwd-unshare

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Stub and Forward unshare
This commit is contained in:
Wouter Wijngaards
2024-04-25 11:11:00 +02:00
committed by GitHub
parent 07859a9ef3 9b9bba9f02
commit ced9762b14
19 changed files with 531 additions and 214 deletions
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pythonmod/interface.i
+7 -3
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@@ -1416,7 +1416,7 @@ struct delegpt* dns_cache_find_delegation(struct module_env* env,
int iter_dp_is_useless(struct query_info* qinfo, uint16_t qflags,
struct delegpt* dp, int supports_ipv4, int supports_ipv6, int use_nat64);
struct iter_hints_stub* hints_lookup_stub(struct iter_hints* hints,
uint8_t* qname, uint16_t qclass, struct delegpt* dp);
uint8_t* qname, uint16_t qclass, struct delegpt* dp, int nolock);
/* Custom function to perform logic similar to the one in daemon/cachedump.c */
struct delegpt* find_delegation(struct module_qstate* qstate, char *nm, size_t nmlen);
@@ -1433,6 +1433,7 @@ struct delegpt* find_delegation(struct module_qstate* qstate, char *nm, size_t n
struct query_info qinfo;
struct iter_hints_stub* stub;
uint32_t timenow = *qstate->env->now;
int nolock = 0;
regional_free_all(region);
qinfo.qname = (uint8_t*)nm;
@@ -1455,9 +1456,12 @@ struct delegpt* find_delegation(struct module_qstate* qstate, char *nm, size_t n
dname_str((uint8_t*)nm, b);
continue;
}
stub = hints_lookup_stub(qstate->env->hints, qinfo.qname, qinfo.qclass, dp);
stub = hints_lookup_stub(qstate->env->hints, qinfo.qname,
qinfo.qclass, dp, nolock);
if (stub) {
return stub->dp;
struct delegpt* stubdp = delegpt_copy(stub->dp, region);
lock_rw_unlock(&qstate->env->hints->lock);
return stubdp;
} else {
return dp;
}