/*
* Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 2001, 2003 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: zonekey.c,v 1.9 2007/06/19 23:47:16 tbox Exp $ */
/*! \file */
#include <config.h>
#include <isc/result.h>
#include <isc/types.h>
#include <isc/util.h>
#include <dns/keyvalues.h>
#include <dns/rdata.h>
#include <dns/rdatastruct.h>
#include <dns/types.h>
#include <dns/zonekey.h>
isc_boolean_t
dns_zonekey_iszonekey(dns_rdata_t *keyrdata) {
isc_result_t result;
dns_rdata_dnskey_t key;
isc_boolean_t iszonekey = ISC_TRUE;
REQUIRE(keyrdata != NULL);
result = dns_rdata_tostruct(keyrdata, &key, NULL);
if (result != ISC_R_SUCCESS)
return (ISC_FALSE);
if ((key.flags & DNS_KEYTYPE_NOAUTH) != 0)
iszonekey = ISC_FALSE;
if ((key.flags & DNS_KEYFLAG_OWNERMASK) != DNS_KEYOWNER_ZONE)
iszonekey = ISC_FALSE;
if (key.protocol != DNS_KEYPROTO_DNSSEC &&
key.protocol != DNS_KEYPROTO_ANY)
iszonekey = ISC_FALSE;
return (iszonekey);
}