1 /* $NetBSD: zonekey.c,v 1.4 2014/12/10 04:37:58 christos Exp $ */ 2 3 /* 4 * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") 5 * Copyright (C) 2001, 2003 Internet Software Consortium. 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /* Id: zonekey.c,v 1.9 2007/06/19 23:47:16 tbox Exp */ 21 22 /*! \file */ 23 24 #include <config.h> 25 26 #include <isc/result.h> 27 #include <isc/types.h> 28 #include <isc/util.h> 29 30 #include <dns/keyvalues.h> 31 #include <dns/rdata.h> 32 #include <dns/rdatastruct.h> 33 #include <dns/types.h> 34 #include <dns/zonekey.h> 35 36 isc_boolean_t 37 dns_zonekey_iszonekey(dns_rdata_t *keyrdata) { 38 isc_result_t result; 39 dns_rdata_dnskey_t key; 40 isc_boolean_t iszonekey = ISC_TRUE; 41 42 REQUIRE(keyrdata != NULL); 43 44 result = dns_rdata_tostruct(keyrdata, &key, NULL); 45 if (result != ISC_R_SUCCESS) 46 return (ISC_FALSE); 47 48 if ((key.flags & DNS_KEYTYPE_NOAUTH) != 0) 49 iszonekey = ISC_FALSE; 50 if ((key.flags & DNS_KEYFLAG_OWNERMASK) != DNS_KEYOWNER_ZONE) 51 iszonekey = ISC_FALSE; 52 if (key.protocol != DNS_KEYPROTO_DNSSEC && 53 key.protocol != DNS_KEYPROTO_ANY) 54 iszonekey = ISC_FALSE; 55 56 return (iszonekey); 57 } 58