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- rpz-triggers, precedence fix for nsdname and nsip triggers.

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This commit is contained in:
W.C.A. Wijngaards
2021-04-08 14:39:48 +02:00
parent f2d7620308
commit 473f0cc44b
1 changed files with 11 additions and 7 deletions
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services/rpz.c
+11 -7
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@@ -1966,21 +1966,25 @@ rpz_callback_from_iterator_module(struct module_qstate* ms, struct iter_qstate*
lock_rw_rdlock(&az->rpz_lock);
/* precedencey of RPZ works, loosely, like this:
* CNAMEs in order of the CNAME chain. rpzs in the order they are
* configured. In an RPZ: first client-IP addr, then QNAME, then
* response IP, then NSDNAME, then NSIP. Longest match first. Smallest
* one from a set. */
for(a = az->rpz_first; a != NULL; a = a->rpz_az_next) {
lock_rw_rdlock(&a->lock);
r = a->rpz;
// XXX: check rfc which action has preference
raddr = rpz_delegation_point_ipbased_trigger_lookup(r, is);
if(raddr != NULL) {
/* the nsdname has precedence over the nsip triggers */
z = rpz_delegation_point_zone_lookup(is->dp, r->nsdname_zones,
ms->qinfo.qclass, &match);
if(z != NULL) {
lock_rw_unlock(&a->lock);
break;
}
z = rpz_delegation_point_zone_lookup(is->dp, r->nsdname_zones,
ms->qinfo.qclass, &match);
if(z != NULL) {
raddr = rpz_delegation_point_ipbased_trigger_lookup(r, is);
if(raddr != NULL) {
lock_rw_unlock(&a->lock);
break;
}