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      1 /*	$NetBSD: dnskey_48.c,v 1.1 2024/02/18 20:57:41 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
      5  *
      6  * SPDX-License-Identifier: MPL-2.0
      7  *
      8  * This Source Code Form is subject to the terms of the Mozilla Public
      9  * License, v. 2.0. If a copy of the MPL was not distributed with this
     10  * file, you can obtain one at https://mozilla.org/MPL/2.0/.
     11  *
     12  * See the COPYRIGHT file distributed with this work for additional
     13  * information regarding copyright ownership.
     14  */
     15 
     16 /* RFC2535 */
     17 
     18 #ifndef RDATA_GENERIC_DNSKEY_48_C
     19 #define RDATA_GENERIC_DNSKEY_48_C
     20 
     21 #include <dst/dst.h>
     22 
     23 #define RRTYPE_DNSKEY_ATTRIBUTES (DNS_RDATATYPEATTR_DNSSEC)
     24 
     25 static isc_result_t
     26 fromtext_dnskey(ARGS_FROMTEXT) {
     27 	REQUIRE(type == dns_rdatatype_dnskey);
     28 
     29 	return (generic_fromtext_key(CALL_FROMTEXT));
     30 }
     31 
     32 static isc_result_t
     33 totext_dnskey(ARGS_TOTEXT) {
     34 	REQUIRE(rdata != NULL);
     35 	REQUIRE(rdata->type == dns_rdatatype_dnskey);
     36 
     37 	return (generic_totext_key(CALL_TOTEXT));
     38 }
     39 
     40 static isc_result_t
     41 fromwire_dnskey(ARGS_FROMWIRE) {
     42 	REQUIRE(type == dns_rdatatype_dnskey);
     43 
     44 	return (generic_fromwire_key(CALL_FROMWIRE));
     45 }
     46 
     47 static isc_result_t
     48 towire_dnskey(ARGS_TOWIRE) {
     49 	isc_region_t sr;
     50 
     51 	REQUIRE(rdata != NULL);
     52 	REQUIRE(rdata->type == dns_rdatatype_dnskey);
     53 	REQUIRE(rdata->length != 0);
     54 
     55 	UNUSED(cctx);
     56 
     57 	dns_rdata_toregion(rdata, &sr);
     58 	return (mem_tobuffer(target, sr.base, sr.length));
     59 }
     60 
     61 static int
     62 compare_dnskey(ARGS_COMPARE) {
     63 	isc_region_t r1;
     64 	isc_region_t r2;
     65 
     66 	REQUIRE(rdata1 != NULL);
     67 	REQUIRE(rdata2 != NULL);
     68 	REQUIRE(rdata1->type == rdata2->type);
     69 	REQUIRE(rdata1->rdclass == rdata2->rdclass);
     70 	REQUIRE(rdata1->type == dns_rdatatype_dnskey);
     71 	REQUIRE(rdata1->length != 0);
     72 	REQUIRE(rdata2->length != 0);
     73 
     74 	dns_rdata_toregion(rdata1, &r1);
     75 	dns_rdata_toregion(rdata2, &r2);
     76 	return (isc_region_compare(&r1, &r2));
     77 }
     78 
     79 static isc_result_t
     80 fromstruct_dnskey(ARGS_FROMSTRUCT) {
     81 	REQUIRE(type == dns_rdatatype_dnskey);
     82 
     83 	return (generic_fromstruct_key(CALL_FROMSTRUCT));
     84 }
     85 
     86 static isc_result_t
     87 tostruct_dnskey(ARGS_TOSTRUCT) {
     88 	dns_rdata_dnskey_t *dnskey = target;
     89 
     90 	REQUIRE(dnskey != NULL);
     91 	REQUIRE(rdata != NULL);
     92 	REQUIRE(rdata->type == dns_rdatatype_dnskey);
     93 
     94 	dnskey->common.rdclass = rdata->rdclass;
     95 	dnskey->common.rdtype = rdata->type;
     96 	ISC_LINK_INIT(&dnskey->common, link);
     97 
     98 	return (generic_tostruct_key(CALL_TOSTRUCT));
     99 }
    100 
    101 static void
    102 freestruct_dnskey(ARGS_FREESTRUCT) {
    103 	dns_rdata_dnskey_t *dnskey = (dns_rdata_dnskey_t *)source;
    104 
    105 	REQUIRE(dnskey != NULL);
    106 	REQUIRE(dnskey->common.rdtype == dns_rdatatype_dnskey);
    107 
    108 	generic_freestruct_key(source);
    109 }
    110 
    111 static isc_result_t
    112 additionaldata_dnskey(ARGS_ADDLDATA) {
    113 	REQUIRE(rdata->type == dns_rdatatype_dnskey);
    114 
    115 	UNUSED(rdata);
    116 	UNUSED(add);
    117 	UNUSED(arg);
    118 
    119 	return (ISC_R_SUCCESS);
    120 }
    121 
    122 static isc_result_t
    123 digest_dnskey(ARGS_DIGEST) {
    124 	isc_region_t r;
    125 
    126 	REQUIRE(rdata != NULL);
    127 	REQUIRE(rdata->type == dns_rdatatype_dnskey);
    128 
    129 	dns_rdata_toregion(rdata, &r);
    130 
    131 	return ((digest)(arg, &r));
    132 }
    133 
    134 static bool
    135 checkowner_dnskey(ARGS_CHECKOWNER) {
    136 	REQUIRE(type == dns_rdatatype_dnskey);
    137 
    138 	UNUSED(name);
    139 	UNUSED(type);
    140 	UNUSED(rdclass);
    141 	UNUSED(wildcard);
    142 
    143 	return (true);
    144 }
    145 
    146 static bool
    147 checknames_dnskey(ARGS_CHECKNAMES) {
    148 	REQUIRE(rdata != NULL);
    149 	REQUIRE(rdata->type == dns_rdatatype_dnskey);
    150 
    151 	UNUSED(rdata);
    152 	UNUSED(owner);
    153 	UNUSED(bad);
    154 
    155 	return (true);
    156 }
    157 
    158 static int
    159 casecompare_dnskey(ARGS_COMPARE) {
    160 	/*
    161 	 * Treat ALG 253 (private DNS) subtype name case sensitively.
    162 	 */
    163 	return (compare_dnskey(rdata1, rdata2));
    164 }
    165 
    166 #endif /* RDATA_GENERIC_DNSKEY_48_C */
    167