xref: /netbsd/external/mpl/bind/dist/lib/dns/zonekey.c (revision e2b1b9c0)
1 /*	$NetBSD: zonekey.c,v 1.1.1.1 2018/08/12 12:08:10 christos Exp $	*/
2 
3 /*
4  * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
5  *
6  * This Source Code Form is subject to the terms of the Mozilla Public
7  * License, v. 2.0. If a copy of the MPL was not distributed with this
8  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
9  *
10  * See the COPYRIGHT file distributed with this work for additional
11  * information regarding copyright ownership.
12  */
13 
14 
15 /*! \file */
16 
17 #include <config.h>
18 
19 #include <isc/result.h>
20 #include <isc/types.h>
21 #include <isc/util.h>
22 
23 #include <dns/keyvalues.h>
24 #include <dns/rdata.h>
25 #include <dns/rdatastruct.h>
26 #include <dns/types.h>
27 #include <dns/zonekey.h>
28 
29 isc_boolean_t
30 dns_zonekey_iszonekey(dns_rdata_t *keyrdata) {
31 	isc_result_t result;
32 	dns_rdata_dnskey_t key;
33 	isc_boolean_t iszonekey = ISC_TRUE;
34 
35 	REQUIRE(keyrdata != NULL);
36 
37 	result = dns_rdata_tostruct(keyrdata, &key, NULL);
38 	if (result != ISC_R_SUCCESS)
39 		return (ISC_FALSE);
40 
41 	if ((key.flags & DNS_KEYTYPE_NOAUTH) != 0)
42 		iszonekey = ISC_FALSE;
43 	if ((key.flags & DNS_KEYFLAG_OWNERMASK) != DNS_KEYOWNER_ZONE)
44 		iszonekey = ISC_FALSE;
45 	if (key.protocol != DNS_KEYPROTO_DNSSEC &&
46 	key.protocol != DNS_KEYPROTO_ANY)
47 		iszonekey = ISC_FALSE;
48 
49 	return (iszonekey);
50 }
51