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Unique NSEC and NSEC3 rrsets in "validation_chain"

This commit is contained in:
Willem Toorop 2015-12-16 12:40:32 +01:00
parent d09e892285
commit 1ef4db8e9d
1 changed files with 28 additions and 4 deletions
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32
src/dnssec.c
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@ -2991,6 +2991,26 @@ static size_t count_outstanding_requests(chain_head *head)
return count + count_outstanding_requests(head->next);
}
static int rrset_in_list(getdns_rrset *rrset, getdns_list *list)
{
size_t i;
getdns_dict *rr_dict;
uint32_t rr_type;
uint32_t rr_class;
getdns_bindata *name;
for (i = 0; !getdns_list_get_dict(list, i, &rr_dict); i++) {
if (!getdns_dict_get_int(rr_dict, "type", &rr_type) &&
rrset->rr_type == rr_type &&
!getdns_dict_get_int(rr_dict, "class", &rr_class) &&
rrset->rr_class == rr_class &&
!getdns_dict_get_bindata(rr_dict, "name", &name) &&
dname_compare(rrset->name, name->data) == 0)
return 1;
}
return 0;
}
static void append_rrs2val_chain_list(getdns_context *ctxt,
getdns_list *val_chain_list, getdns_network_req *netreq, int signer)
{
@ -3006,10 +3026,14 @@ static void append_rrs2val_chain_list(getdns_context *ctxt,
rrset = rrset_iter_value(i);
if (rrset->rr_type != GETDNS_RRTYPE_DNSKEY &&
rrset->rr_type != GETDNS_RRTYPE_DS &&
rrset->rr_type != GETDNS_RRTYPE_NSEC &&
rrset->rr_type != GETDNS_RRTYPE_NSEC3)
if (rrset->rr_type == GETDNS_RRTYPE_NSEC ||
rrset->rr_type == GETDNS_RRTYPE_NSEC3) {
if (rrset_in_list(rrset, val_chain_list))
continue;
} else if (rrset->rr_type != GETDNS_RRTYPE_DNSKEY &&
rrset->rr_type != GETDNS_RRTYPE_DS)
continue;
for ( rr = rrtype_iter_init(&rr_spc, rrset)