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/*
Unix SMB/CIFS implementation.
DNS server utils
Copyright (C) 2010 Kai Blin <kai@samba.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "libcli/util/ntstatus.h"
#include "libcli/util/werror.h"
#include "librpc/ndr/libndr.h"
#include "librpc/gen_ndr/ndr_dns.h"
#include "librpc/gen_ndr/ndr_dnsp.h"
#include <ldb.h>
#include "dsdb/samdb/samdb.h"
#include "dsdb/common/util.h"
#include "dns_server/dns_server.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_DNS
/*
* Lookup a DNS record, performing an exact match.
* i.e. DNS wild card records are not considered.
*/
WERROR dns_lookup_records(struct dns_server *dns,
TALLOC_CTX *mem_ctx,
struct ldb_dn *dn,
struct dnsp_DnssrvRpcRecord **records,
uint16_t *rec_count)
{
return dns_common_lookup(dns->samdb, mem_ctx, dn,
records, rec_count, NULL);
}
/*
* Lookup a DNS record, will match DNS wild card records if an exact match
* is not found.
*/
WERROR dns_lookup_records_wildcard(struct dns_server *dns,
TALLOC_CTX *mem_ctx,
struct ldb_dn *dn,
struct dnsp_DnssrvRpcRecord **records,
uint16_t *rec_count)
{
return dns_common_wildcard_lookup(dns->samdb, mem_ctx, dn,
records, rec_count);
}
WERROR dns_replace_records(struct dns_server *dns,
TALLOC_CTX *mem_ctx,
struct ldb_dn *dn,
bool needs_add,
struct dnsp_DnssrvRpcRecord *records,
uint16_t rec_count)
{
/* TODO: Autogenerate this somehow */
uint32_t dwSerial = 110;
return dns_common_replace(dns->samdb, mem_ctx, dn,
needs_add, dwSerial, records, rec_count);
}
bool dns_authoritative_for_zone(struct dns_server *dns,
const char *name)
{
const struct dns_server_zone *z;
size_t host_part_len = 0;
if (name == NULL) {
return false;
}
if (strcmp(name, "") == 0) {
return true;
}
for (z = dns->zones; z != NULL; z = z->next) {
bool match;
match = dns_name_match(z->name, name, &host_part_len);
if (match) {
break;
}
}
if (z == NULL) {
return false;
}
return true;
}
const char *dns_get_authoritative_zone(struct dns_server *dns,
const char *name)
{
const struct dns_server_zone *z;
size_t host_part_len = 0;
for (z = dns->zones; z != NULL; z = z->next) {
bool match;
match = dns_name_match(z->name, name, &host_part_len);
if (match) {
return z->name;
}
}
return NULL;
}
WERROR dns_name2dn(struct dns_server *dns,
TALLOC_CTX *mem_ctx,
const char *name,
struct ldb_dn **dn)
{
return dns_common_name2dn(dns->samdb, dns->zones,
mem_ctx, name, dn);
}
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