+3884. [protocol] Add CDS and CDNSKEY record types. [RT #36333]
+
3881. [bug] Address memory leak with UPDATE error handling.
[RT #36303]
sENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esg
a60zyGW6LFe9r8n6paHrlG5ojqf0BaqHT+8= )
+; type 59
+cds01 CDS 30795 1 1 (
+ 310D27F4D82C1FC2400704EA9939FE6E1CEA
+ A3B9 )
+
+; type 60
+cdnskey01 CDNSKEY 512 ( 255 1 AQMFD5raczCJHViKtLYhWGz8hMY
+ 9UGRuniJDBzC7w0aRyzWZriO6i2odGWWQVucZqKV
+ sENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esg
+ a60zyGW6LFe9r8n6paHrlG5ojqf0BaqHT+8= )
+
; type 249
; TKEY is a meta-type and should never occur in master files.
; The text representation is not specified in the draft.
ds 300 DS 30795 1 1 (
310D27F4D82C1FC2400704EA9939FE6E1CEA
A3B9 )
+cdnskey 300 CDNSKEY 256 3 1 (
+ AQPTpWyReB/e9Ii6mVGnakS8hX2zkh/iUYAg
+ +Ge4noWROpTWOIBvm76zeJPWs4Zfqa1IsswD
+ Ix5Mqeg0zwclz59uecKsKyx5w9IhtZ8plc4R
+ b9VIE5x7KNHAYTvTO5d4S8M=
+ )
+cds 300 CDS 30795 1 1 (
+ 310D27F4D82C1FC2400704EA9939FE6E1CEA
+ A3B9 )
nsec 600 NSEC nsecnext NS DS RRSIG NSEC
rrsig 300 RRSIG SOA 1 0 300 20050714214747 (
20050614214747 30795 .
set -- 1 2 3
for zone in example example-explicit example-compat; do
for server in $*; do
- for name in ns mx a aaaa cname dname txt rrsig nsec dnskey ds; do
+ for name in ns mx a aaaa cname dname txt rrsig nsec \
+ dnskey ds cdnskey cds; do
$DIG $DIGOPTS $name.$zone. $name @10.53.0.$server -p 5300
echo
done > dig.out.$zone.$server
NSEC3PARAM
TLSA
HIP
+CDS
+CDNSKEY
SPF
UINFO
UID
a601.example. 3600 IN A6 128 .
afsdb01.example. 3600 IN AFSDB 0 hostname.example.
afsdb02.example. 3600 IN AFSDB 65535 .
+cdnskey01.example. 3600 IN CDNSKEY 512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+cds01.example. 3600 IN CDS 30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
cert01.example. 3600 IN CERT 65534 65535 PRIVATEOID MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
cname01.example. 3600 IN CNAME cname-target.
cname02.example. 3600 IN CNAME cname-target.example.
a601.example. 3600 IN A6 128 .
afsdb01.example. 3600 IN AFSDB 0 hostname.example.
afsdb02.example. 3600 IN AFSDB 65535 .
+cdnskey01.example. 3600 IN CDNSKEY 512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+cds01.example. 3600 IN CDS 30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
cert01.example. 3600 IN CERT 65534 65535 PRIVATEOID MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
cname01.example. 3600 IN CNAME cname-target.
cname02.example. 3600 IN CNAME cname-target.example.
--- /dev/null
+/*
+ * Copyright (C) 2004, 2005, 2007, 2009, 2011-2014 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 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.
+ */
+
+/* draft-ietf-dnsop-delegation-trust-maintainance-14 */
+
+#ifndef RDATA_GENERIC_CDNSKEY_60_C
+#define RDATA_GENERIC_CDNSKEY_60_C
+
+#include <dst/dst.h>
+
+#define RRTYPE_CDNSKEY_ATTRIBUTES (DNS_RDATATYPEATTR_DNSSEC)
+
+static inline isc_result_t
+fromtext_cdnskey(ARGS_FROMTEXT) {
+ isc_result_t result;
+ isc_token_t token;
+ dns_secalg_t alg;
+ dns_secproto_t proto;
+ dns_keyflags_t flags;
+
+ REQUIRE(type == 60);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(origin);
+ UNUSED(options);
+ UNUSED(callbacks);
+
+ /* flags */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+ ISC_FALSE));
+ RETTOK(dns_keyflags_fromtext(&flags, &token.value.as_textregion));
+ RETERR(uint16_tobuffer(flags, target));
+
+ /* protocol */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+ ISC_FALSE));
+ RETTOK(dns_secproto_fromtext(&proto, &token.value.as_textregion));
+ RETERR(mem_tobuffer(target, &proto, 1));
+
+ /* algorithm */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+ ISC_FALSE));
+ RETTOK(dns_secalg_fromtext(&alg, &token.value.as_textregion));
+ RETERR(mem_tobuffer(target, &alg, 1));
+
+ /* No Key? */
+ if ((flags & 0xc000) == 0xc000)
+ return (ISC_R_SUCCESS);
+
+ result = isc_base64_tobuffer(lexer, target, -1);
+ if (result != ISC_R_SUCCESS)
+ return (result);
+
+ /* Ensure there's at least enough data to compute a key ID for MD5 */
+ if (alg == DST_ALG_RSAMD5 && isc_buffer_usedlength(target) < 7)
+ return (ISC_R_UNEXPECTEDEND);
+
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+totext_cdnskey(ARGS_TOTEXT) {
+ isc_region_t sr;
+ char buf[sizeof("[key id = 64000]")];
+ unsigned int flags;
+ unsigned char algorithm;
+ char algbuf[DNS_NAME_FORMATSIZE];
+ const char *keyinfo;
+ isc_region_t tmpr;
+
+ REQUIRE(rdata->type == 60);
+ REQUIRE(rdata->length != 0);
+
+ dns_rdata_toregion(rdata, &sr);
+
+ /* flags */
+ flags = uint16_fromregion(&sr);
+ isc_region_consume(&sr, 2);
+ sprintf(buf, "%u", flags);
+ RETERR(str_totext(buf, target));
+ RETERR(str_totext(" ", target));
+ if ((flags & DNS_KEYFLAG_KSK) != 0) {
+ if (flags & DNS_KEYFLAG_REVOKE)
+ keyinfo = "revoked KSK";
+ else
+ keyinfo = "KSK";
+ } else
+ keyinfo = "ZSK";
+
+ /* protocol */
+ sprintf(buf, "%u", sr.base[0]);
+ isc_region_consume(&sr, 1);
+ RETERR(str_totext(buf, target));
+ RETERR(str_totext(" ", target));
+
+ /* algorithm */
+ algorithm = sr.base[0];
+ sprintf(buf, "%u", algorithm);
+ isc_region_consume(&sr, 1);
+ RETERR(str_totext(buf, target));
+
+ /* No Key? */
+ if ((flags & 0xc000) == 0xc000)
+ return (ISC_R_SUCCESS);
+
+ if ((tctx->flags & DNS_STYLEFLAG_RRCOMMENT) != 0 &&
+ algorithm == DNS_KEYALG_PRIVATEDNS) {
+ dns_name_t name;
+ dns_name_init(&name, NULL);
+ dns_name_fromregion(&name, &sr);
+ dns_name_format(&name, algbuf, sizeof(algbuf));
+ } else {
+ dns_secalg_format((dns_secalg_t) algorithm, algbuf,
+ sizeof(algbuf));
+ }
+
+ /* key */
+ if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
+ RETERR(str_totext(" (", target));
+ RETERR(str_totext(tctx->linebreak, target));
+
+ if ((tctx->flags & DNS_STYLEFLAG_NOCRYPTO) == 0) {
+ if (tctx->width == 0) /* No splitting */
+ RETERR(isc_base64_totext(&sr, 0, "", target));
+ else
+ RETERR(isc_base64_totext(&sr, tctx->width - 2,
+ tctx->linebreak, target));
+ } else {
+ dns_rdata_toregion(rdata, &tmpr);
+ snprintf(buf, sizeof(buf), "[key id = %u]",
+ dst_region_computeid(&tmpr, algorithm));
+ RETERR(str_totext(buf, target));
+ }
+
+ if ((tctx->flags & DNS_STYLEFLAG_RRCOMMENT) != 0)
+ RETERR(str_totext(tctx->linebreak, target));
+ else if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
+ RETERR(str_totext(" ", target));
+
+ if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
+ RETERR(str_totext(")", target));
+
+ if ((tctx->flags & DNS_STYLEFLAG_RRCOMMENT) != 0) {
+
+ RETERR(str_totext(" ; ", target));
+ RETERR(str_totext(keyinfo, target));
+ RETERR(str_totext("; alg = ", target));
+ RETERR(str_totext(algbuf, target));
+ RETERR(str_totext("; key id = ", target));
+ dns_rdata_toregion(rdata, &tmpr);
+ sprintf(buf, "%u", dst_region_computeid(&tmpr, algorithm));
+ RETERR(str_totext(buf, target));
+ }
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+fromwire_cdnskey(ARGS_FROMWIRE) {
+ unsigned char algorithm;
+ isc_region_t sr;
+
+ REQUIRE(type == 60);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(dctx);
+ UNUSED(options);
+
+ isc_buffer_activeregion(source, &sr);
+ if (sr.length < 4)
+ return (ISC_R_UNEXPECTEDEND);
+
+ algorithm = sr.base[3];
+ RETERR(mem_tobuffer(target, sr.base, 4));
+ isc_region_consume(&sr, 4);
+ isc_buffer_forward(source, 4);
+
+ if (algorithm == DNS_KEYALG_PRIVATEDNS) {
+ dns_name_t name;
+ dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
+ dns_name_init(&name, NULL);
+ RETERR(dns_name_fromwire(&name, source, dctx, options, target));
+ }
+
+ /*
+ * RSAMD5 computes key ID differently from other
+ * algorithms: we need to ensure there's enough data
+ * present for the computation
+ */
+ if (algorithm == DST_ALG_RSAMD5 && sr.length < 3)
+ return (ISC_R_UNEXPECTEDEND);
+
+ isc_buffer_activeregion(source, &sr);
+ isc_buffer_forward(source, sr.length);
+ return (mem_tobuffer(target, sr.base, sr.length));
+}
+
+static inline isc_result_t
+towire_cdnskey(ARGS_TOWIRE) {
+ isc_region_t sr;
+
+ REQUIRE(rdata->type == 60);
+ REQUIRE(rdata->length != 0);
+
+ UNUSED(cctx);
+
+ dns_rdata_toregion(rdata, &sr);
+ return (mem_tobuffer(target, sr.base, sr.length));
+}
+
+static inline int
+compare_cdnskey(ARGS_COMPARE) {
+ isc_region_t r1;
+ isc_region_t r2;
+
+ REQUIRE(rdata1->type == rdata2->type);
+ REQUIRE(rdata1->rdclass == rdata2->rdclass);
+ REQUIRE(rdata1->type == 60);
+ REQUIRE(rdata1->length != 0);
+ REQUIRE(rdata2->length != 0);
+
+ dns_rdata_toregion(rdata1, &r1);
+ dns_rdata_toregion(rdata2, &r2);
+ return (isc_region_compare(&r1, &r2));
+}
+
+static inline isc_result_t
+fromstruct_cdnskey(ARGS_FROMSTRUCT) {
+ dns_rdata_cdnskey_t *dnskey = source;
+
+ REQUIRE(type == 60);
+ REQUIRE(source != NULL);
+ REQUIRE(dnskey->common.rdtype == type);
+ REQUIRE(dnskey->common.rdclass == rdclass);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ /* Flags */
+ RETERR(uint16_tobuffer(dnskey->flags, target));
+
+ /* Protocol */
+ RETERR(uint8_tobuffer(dnskey->protocol, target));
+
+ /* Algorithm */
+ RETERR(uint8_tobuffer(dnskey->algorithm, target));
+
+ /* Data */
+ return (mem_tobuffer(target, dnskey->data, dnskey->datalen));
+}
+
+static inline isc_result_t
+tostruct_cdnskey(ARGS_TOSTRUCT) {
+ dns_rdata_cdnskey_t *dnskey = target;
+ isc_region_t sr;
+
+ REQUIRE(rdata->type == 60);
+ REQUIRE(target != NULL);
+ REQUIRE(rdata->length != 0);
+
+ dnskey->common.rdclass = rdata->rdclass;
+ dnskey->common.rdtype = rdata->type;
+ ISC_LINK_INIT(&dnskey->common, link);
+
+ dns_rdata_toregion(rdata, &sr);
+
+ /* Flags */
+ if (sr.length < 2)
+ return (ISC_R_UNEXPECTEDEND);
+ dnskey->flags = uint16_fromregion(&sr);
+ isc_region_consume(&sr, 2);
+
+ /* Protocol */
+ if (sr.length < 1)
+ return (ISC_R_UNEXPECTEDEND);
+ dnskey->protocol = uint8_fromregion(&sr);
+ isc_region_consume(&sr, 1);
+
+ /* Algorithm */
+ if (sr.length < 1)
+ return (ISC_R_UNEXPECTEDEND);
+ dnskey->algorithm = uint8_fromregion(&sr);
+ isc_region_consume(&sr, 1);
+
+ /* Data */
+ dnskey->datalen = sr.length;
+ dnskey->data = mem_maybedup(mctx, sr.base, dnskey->datalen);
+ if (dnskey->data == NULL)
+ return (ISC_R_NOMEMORY);
+
+ dnskey->mctx = mctx;
+ return (ISC_R_SUCCESS);
+}
+
+static inline void
+freestruct_cdnskey(ARGS_FREESTRUCT) {
+ dns_rdata_cdnskey_t *dnskey = (dns_rdata_cdnskey_t *) source;
+
+ REQUIRE(source != NULL);
+ REQUIRE(dnskey->common.rdtype == 60);
+
+ if (dnskey->mctx == NULL)
+ return;
+
+ if (dnskey->data != NULL)
+ isc_mem_free(dnskey->mctx, dnskey->data);
+ dnskey->mctx = NULL;
+}
+
+static inline isc_result_t
+additionaldata_cdnskey(ARGS_ADDLDATA) {
+ REQUIRE(rdata->type == 60);
+
+ UNUSED(rdata);
+ UNUSED(add);
+ UNUSED(arg);
+
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+digest_cdnskey(ARGS_DIGEST) {
+ isc_region_t r;
+
+ REQUIRE(rdata->type == 60);
+
+ dns_rdata_toregion(rdata, &r);
+
+ return ((digest)(arg, &r));
+}
+
+static inline isc_boolean_t
+checkowner_cdnskey(ARGS_CHECKOWNER) {
+
+ REQUIRE(type == 60);
+
+ UNUSED(name);
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(wildcard);
+
+ return (ISC_TRUE);
+}
+
+static inline isc_boolean_t
+checknames_cdnskey(ARGS_CHECKNAMES) {
+
+ REQUIRE(rdata->type == 60);
+
+ UNUSED(rdata);
+ UNUSED(owner);
+ UNUSED(bad);
+
+ return (ISC_TRUE);
+}
+
+static inline int
+casecompare_cdnskey(ARGS_COMPARE) {
+
+ /*
+ * Treat ALG 253 (private DNS) subtype name case sensistively.
+ */
+ return (compare_cdnskey(rdata1, rdata2));
+}
+
+#endif /* RDATA_GENERIC_CDNSKEY_60_C */
--- /dev/null
+/*
+ * Copyright (C) 2004, 2005, 2007, 2014 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 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.
+ */
+
+#ifndef GENERIC_CDNSKEY_60_H
+#define GENERIC_CDNSKEY_60_H 1
+
+/* CDNSKEY records have the same RDATA fields as DNSKEY records. */
+typedef struct dns_rdata_cdnskey {
+ dns_rdatacommon_t common;
+ isc_mem_t * mctx;
+ isc_uint16_t flags;
+ isc_uint8_t protocol;
+ isc_uint8_t algorithm;
+ isc_uint16_t datalen;
+ unsigned char * data;
+} dns_rdata_cdnskey_t;
+
+
+#endif /* GENERIC_CDNSKEY_60_H */
--- /dev/null
+/*
+ * Copyright (C) 2004, 2005, 2007, 2009-2014 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2002 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.
+ */
+
+/* draft-ietf-dnsop-delegation-trust-maintainance-14 */
+
+#ifndef RDATA_GENERIC_CDS_59_C
+#define RDATA_GENERIC_CDS_59_C
+
+#define RRTYPE_CDS_ATTRIBUTES \
+ (DNS_RDATATYPEATTR_DNSSEC|DNS_RDATATYPEATTR_ATPARENT)
+
+#include <isc/sha1.h>
+#include <isc/sha2.h>
+
+#include <dns/ds.h>
+
+#include "dst_gost.h"
+
+static inline isc_result_t
+fromtext_cds(ARGS_FROMTEXT) {
+ isc_token_t token;
+ unsigned char c;
+ int length;
+
+ REQUIRE(type == 59);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(origin);
+ UNUSED(options);
+ UNUSED(callbacks);
+
+ /*
+ * Key tag.
+ */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
+ ISC_FALSE));
+ if (token.value.as_ulong > 0xffffU)
+ RETTOK(ISC_R_RANGE);
+ RETERR(uint16_tobuffer(token.value.as_ulong, target));
+
+ /*
+ * Algorithm.
+ */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+ ISC_FALSE));
+ RETTOK(dns_secalg_fromtext(&c, &token.value.as_textregion));
+ RETERR(mem_tobuffer(target, &c, 1));
+
+ /*
+ * Digest type.
+ */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+ ISC_FALSE));
+ RETTOK(dns_dsdigest_fromtext(&c, &token.value.as_textregion));
+ RETERR(mem_tobuffer(target, &c, 1));
+
+ /*
+ * Digest.
+ */
+ switch (c) {
+ case DNS_DSDIGEST_SHA1:
+ length = ISC_SHA1_DIGESTLENGTH;
+ break;
+ case DNS_DSDIGEST_SHA256:
+ length = ISC_SHA256_DIGESTLENGTH;
+ break;
+#ifdef ISC_GOST_DIGESTLENGTH
+ case DNS_DSDIGEST_GOST:
+ length = ISC_GOST_DIGESTLENGTH;
+ break;
+#endif
+ case DNS_DSDIGEST_SHA384:
+ length = ISC_SHA384_DIGESTLENGTH;
+ break;
+ default:
+ length = -1;
+ break;
+ }
+ return (isc_hex_tobuffer(lexer, target, length));
+}
+
+static inline isc_result_t
+totext_cds(ARGS_TOTEXT) {
+ isc_region_t sr;
+ char buf[sizeof("64000 ")];
+ unsigned int n;
+
+ REQUIRE(rdata->type == 59);
+ REQUIRE(rdata->length != 0);
+
+ UNUSED(tctx);
+
+ dns_rdata_toregion(rdata, &sr);
+
+ /*
+ * Key tag.
+ */
+ n = uint16_fromregion(&sr);
+ isc_region_consume(&sr, 2);
+ sprintf(buf, "%u ", n);
+ RETERR(str_totext(buf, target));
+
+ /*
+ * Algorithm.
+ */
+ n = uint8_fromregion(&sr);
+ isc_region_consume(&sr, 1);
+ sprintf(buf, "%u ", n);
+ RETERR(str_totext(buf, target));
+
+ /*
+ * Digest type.
+ */
+ n = uint8_fromregion(&sr);
+ isc_region_consume(&sr, 1);
+ sprintf(buf, "%u", n);
+ RETERR(str_totext(buf, target));
+
+ /*
+ * Digest.
+ */
+ if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
+ RETERR(str_totext(" (", target));
+ RETERR(str_totext(tctx->linebreak, target));
+ if ((tctx->flags & DNS_STYLEFLAG_NOCRYPTO) == 0) {
+ if (tctx->width == 0) /* No splitting */
+ RETERR(isc_hex_totext(&sr, 0, "", target));
+ else
+ RETERR(isc_hex_totext(&sr, tctx->width - 2,
+ tctx->linebreak, target));
+ } else
+ RETERR(str_totext("[omitted]", target));
+ if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
+ RETERR(str_totext(" )", target));
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+fromwire_cds(ARGS_FROMWIRE) {
+ isc_region_t sr;
+
+ REQUIRE(type == 59);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(dctx);
+ UNUSED(options);
+
+ isc_buffer_activeregion(source, &sr);
+
+ /*
+ * Check digest lengths if we know them.
+ */
+ if (sr.length < 4 ||
+ (sr.base[3] == DNS_DSDIGEST_SHA1 &&
+ sr.length < 4 + ISC_SHA1_DIGESTLENGTH) ||
+ (sr.base[3] == DNS_DSDIGEST_SHA256 &&
+ sr.length < 4 + ISC_SHA256_DIGESTLENGTH) ||
+#ifdef ISC_GOST_DIGESTLENGTH
+ (sr.base[3] == DNS_DSDIGEST_GOST &&
+ sr.length < 4 + ISC_GOST_DIGESTLENGTH) ||
+#endif
+ (sr.base[3] == DNS_DSDIGEST_SHA384 &&
+ sr.length < 4 + ISC_SHA384_DIGESTLENGTH))
+ return (ISC_R_UNEXPECTEDEND);
+
+ /*
+ * Only copy digest lengths if we know them.
+ * If there is extra data dns_rdata_fromwire() will
+ * detect that.
+ */
+ if (sr.base[3] == DNS_DSDIGEST_SHA1)
+ sr.length = 4 + ISC_SHA1_DIGESTLENGTH;
+ else if (sr.base[3] == DNS_DSDIGEST_SHA256)
+ sr.length = 4 + ISC_SHA256_DIGESTLENGTH;
+#ifdef ISC_GOST_DIGESTLENGTH
+ else if (sr.base[3] == DNS_DSDIGEST_GOST)
+ sr.length = 4 + ISC_GOST_DIGESTLENGTH;
+#endif
+ else if (sr.base[3] == DNS_DSDIGEST_SHA384)
+ sr.length = 4 + ISC_SHA384_DIGESTLENGTH;
+
+ isc_buffer_forward(source, sr.length);
+ return (mem_tobuffer(target, sr.base, sr.length));
+}
+
+static inline isc_result_t
+towire_cds(ARGS_TOWIRE) {
+ isc_region_t sr;
+
+ REQUIRE(rdata->type == 59);
+ REQUIRE(rdata->length != 0);
+
+ UNUSED(cctx);
+
+ dns_rdata_toregion(rdata, &sr);
+ return (mem_tobuffer(target, sr.base, sr.length));
+}
+
+static inline int
+compare_cds(ARGS_COMPARE) {
+ isc_region_t r1;
+ isc_region_t r2;
+
+ REQUIRE(rdata1->type == rdata2->type);
+ REQUIRE(rdata1->rdclass == rdata2->rdclass);
+ REQUIRE(rdata1->type == 59);
+ REQUIRE(rdata1->length != 0);
+ REQUIRE(rdata2->length != 0);
+
+ dns_rdata_toregion(rdata1, &r1);
+ dns_rdata_toregion(rdata2, &r2);
+ return (isc_region_compare(&r1, &r2));
+}
+
+static inline isc_result_t
+fromstruct_cds(ARGS_FROMSTRUCT) {
+ dns_rdata_cds_t *ds = source;
+
+ REQUIRE(type == 59);
+ REQUIRE(source != NULL);
+ REQUIRE(ds->common.rdtype == type);
+ REQUIRE(ds->common.rdclass == rdclass);
+ switch (ds->digest_type) {
+ case DNS_DSDIGEST_SHA1:
+ REQUIRE(ds->length == ISC_SHA1_DIGESTLENGTH);
+ break;
+ case DNS_DSDIGEST_SHA256:
+ REQUIRE(ds->length == ISC_SHA256_DIGESTLENGTH);
+ break;
+#ifdef ISC_GOST_DIGESTLENGTH
+ case DNS_DSDIGEST_GOST:
+ REQUIRE(ds->length == ISC_GOST_DIGESTLENGTH);
+ break;
+#endif
+ case DNS_DSDIGEST_SHA384:
+ REQUIRE(ds->length == ISC_SHA384_DIGESTLENGTH);
+ break;
+ }
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ RETERR(uint16_tobuffer(ds->key_tag, target));
+ RETERR(uint8_tobuffer(ds->algorithm, target));
+ RETERR(uint8_tobuffer(ds->digest_type, target));
+
+ return (mem_tobuffer(target, ds->digest, ds->length));
+}
+
+static inline isc_result_t
+tostruct_cds(ARGS_TOSTRUCT) {
+ dns_rdata_cds_t *ds = target;
+ isc_region_t region;
+
+ REQUIRE(rdata->type == 59);
+ REQUIRE(target != NULL);
+ REQUIRE(rdata->length != 0);
+
+ ds->common.rdclass = rdata->rdclass;
+ ds->common.rdtype = rdata->type;
+ ISC_LINK_INIT(&ds->common, link);
+
+ dns_rdata_toregion(rdata, ®ion);
+
+ ds->key_tag = uint16_fromregion(®ion);
+ isc_region_consume(®ion, 2);
+ ds->algorithm = uint8_fromregion(®ion);
+ isc_region_consume(®ion, 1);
+ ds->digest_type = uint8_fromregion(®ion);
+ isc_region_consume(®ion, 1);
+ ds->length = region.length;
+
+ ds->digest = mem_maybedup(mctx, region.base, region.length);
+ if (ds->digest == NULL)
+ return (ISC_R_NOMEMORY);
+
+ ds->mctx = mctx;
+ return (ISC_R_SUCCESS);
+}
+
+static inline void
+freestruct_cds(ARGS_FREESTRUCT) {
+ dns_rdata_cds_t *ds = source;
+
+ REQUIRE(ds != NULL);
+ REQUIRE(ds->common.rdtype == 59);
+
+ if (ds->mctx == NULL)
+ return;
+
+ if (ds->digest != NULL)
+ isc_mem_free(ds->mctx, ds->digest);
+ ds->mctx = NULL;
+}
+
+static inline isc_result_t
+additionaldata_cds(ARGS_ADDLDATA) {
+ REQUIRE(rdata->type == 59);
+
+ UNUSED(rdata);
+ UNUSED(add);
+ UNUSED(arg);
+
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+digest_cds(ARGS_DIGEST) {
+ isc_region_t r;
+
+ REQUIRE(rdata->type == 59);
+
+ dns_rdata_toregion(rdata, &r);
+
+ return ((digest)(arg, &r));
+}
+
+static inline isc_boolean_t
+checkowner_cds(ARGS_CHECKOWNER) {
+
+ REQUIRE(type == 59);
+
+ UNUSED(name);
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(wildcard);
+
+ return (ISC_TRUE);
+}
+
+static inline isc_boolean_t
+checknames_cds(ARGS_CHECKNAMES) {
+
+ REQUIRE(rdata->type == 59);
+
+ UNUSED(rdata);
+ UNUSED(owner);
+ UNUSED(bad);
+
+ return (ISC_TRUE);
+}
+
+static inline int
+casecompare_cds(ARGS_COMPARE) {
+ return (compare_cds(rdata1, rdata2));
+}
+
+#endif /* RDATA_GENERIC_CDS_59_C */
--- /dev/null
+/*
+ * Copyright (C) 2004, 2005, 2007, 2014 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2002 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.
+ */
+
+#ifndef GENERIC_CDS_59_H
+#define GENERIC_CDS_59_H 1
+
+/* CDS records have the same RDATA fields as DS records. */
+typedef struct dns_rdata_cds {
+ dns_rdatacommon_t common;
+ isc_mem_t *mctx;
+ isc_uint16_t key_tag;
+ isc_uint8_t algorithm;
+ isc_uint8_t digest_type;
+ isc_uint16_t length;
+ unsigned char *digest;
+} dns_rdata_cds_t;
+
+#endif /* GENERIC_CDS_59_H */