1/* 2 * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") 3 * Copyright (C) 2001, 2003 Internet Software Consortium. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15 * PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18/* $Id: zonekey.c,v 1.9 2007/06/19 23:47:16 tbox Exp $ */ 19 20/*! \file */ 21 22#include <config.h> 23 24#include <isc/result.h> 25#include <isc/types.h> 26#include <isc/util.h> 27 28#include <dns/keyvalues.h> 29#include <dns/rdata.h> 30#include <dns/rdatastruct.h> 31#include <dns/types.h> 32#include <dns/zonekey.h> 33 34isc_boolean_t 35dns_zonekey_iszonekey(dns_rdata_t *keyrdata) { 36 isc_result_t result; 37 dns_rdata_dnskey_t key; 38 isc_boolean_t iszonekey = ISC_TRUE; 39 40 REQUIRE(keyrdata != NULL); 41 42 result = dns_rdata_tostruct(keyrdata, &key, NULL); 43 if (result != ISC_R_SUCCESS) 44 return (ISC_FALSE); 45 46 if ((key.flags & DNS_KEYTYPE_NOAUTH) != 0) 47 iszonekey = ISC_FALSE; 48 if ((key.flags & DNS_KEYFLAG_OWNERMASK) != DNS_KEYOWNER_ZONE) 49 iszonekey = ISC_FALSE; 50 if (key.protocol != DNS_KEYPROTO_DNSSEC && 51 key.protocol != DNS_KEYPROTO_ANY) 52 iszonekey = ISC_FALSE; 53 54 return (iszonekey); 55} 56