sig_24.c revision 2f072c2982861ec2e86e97f8a3ed199fe45c1f70
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews/*
2f072c2982861ec2e86e97f8a3ed199fe45c1f70Michael Graff * Copyright (C) 1999 Internet Software Consortium.
2f072c2982861ec2e86e97f8a3ed199fe45c1f70Michael Graff *
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * Permission to use, copy, modify, and distribute this software for any
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * purpose with or without fee is hereby granted, provided that the above
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * copyright notice and this permission notice appear in all copies.
2f072c2982861ec2e86e97f8a3ed199fe45c1f70Michael Graff *
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * SOFTWARE.
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
2f072c2982861ec2e86e97f8a3ed199fe45c1f70Michael Graff /* $Id: sig_24.c,v 1.21 1999/09/15 23:03:32 explorer Exp $ */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* RFC 2065 */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
854d0238dbc2908490197984b3b9d558008a53dfMark Andrews#ifndef RDATA_GENERIC_SIG_24_C
854d0238dbc2908490197984b3b9d558008a53dfMark Andrews#define RDATA_GENERIC_SIG_24_C
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
4529cdaedaf1a0a5f8ff89aeca510b7a4475446cBob Halleystatic inline dns_result_t
d981ca645597116d227a48bf37cc5edc061c854dBob Halleyfromtext_sig(dns_rdataclass_t rdclass, dns_rdatatype_t type,
0e8cf9a887c70f96ac448b06c069d90b830215ccMark Andrews isc_lex_t *lexer, dns_name_t *origin,
0e8cf9a887c70f96ac448b06c069d90b830215ccMark Andrews isc_boolean_t downcase, isc_buffer_t *target)
0e8cf9a887c70f96ac448b06c069d90b830215ccMark Andrews{
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_token_t token;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews unsigned char c;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_rdatatype_t covered;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_textregion_t *tsr;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews char *e;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_result_t result;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_t name;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_buffer_t buffer;
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson isc_uint32_t time_signed, time_expire;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews REQUIRE(type == 24);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
d981ca645597116d227a48bf37cc5edc061c854dBob Halley rdclass = rdclass; /*unused*/
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews origin = origin; /*unused*/
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews downcase = downcase; /*unused*/
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* type covered */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews tsr = &token.value.as_textregion;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews result = dns_rdatatype_fromtext(&covered, tsr);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (result != DNS_R_SUCCESS && result != DNS_R_NOTIMPLEMENTED) {
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews covered = strtol(token.value.as_pointer, &e, 10);
5d15501996f597d9bbb734d88d4549828e28000bMark Andrews if (*e != 0)
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (result);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews }
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(uint16_tobuffer(covered, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* algorithm */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (token.value.as_ulong > 0xff)
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (DNS_R_RANGE);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews c = token.value.as_ulong;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(mem_tobuffer(target, &c, 1));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* labels */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (token.value.as_ulong > 0xff)
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (DNS_R_RANGE);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews c = token.value.as_ulong;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(mem_tobuffer(target, &c, 1));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* original ttl */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(uint32_tobuffer(token.value.as_ulong, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* signature expiration */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson RETERR(dns_time32_fromtext(token.value.as_pointer, &time_expire));
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson RETERR(uint32_tobuffer(time_expire, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* time signed */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson RETERR(dns_time32_fromtext(token.value.as_pointer, &time_signed));
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson RETERR(uint32_tobuffer(time_signed, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* key footprint */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(uint16_tobuffer(token.value.as_ulong, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* signer */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_init(&name, NULL);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews buffer_fromregion(&buffer, &token.value.as_region,
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews ISC_BUFFERTYPE_TEXT);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews origin = (origin != NULL) ? origin : dns_rootname;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(dns_name_fromtext(&name, &buffer, origin, downcase, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* sig */
822f6cdabb1edd44472c7a758b5cae71376fa9beBrian Wellington return (isc_base64_tobuffer(lexer, target, -1));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews}
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
4529cdaedaf1a0a5f8ff89aeca510b7a4475446cBob Halleystatic inline dns_result_t
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafssontotext_sig(dns_rdata_t *rdata, dns_rdata_textctx_t *tctx,
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson isc_buffer_t *target)
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson{
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_t sr;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews char buf[sizeof "4294967295"];
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_rdatatype_t covered;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews unsigned long ttl;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews unsigned long when;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews unsigned long exp;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews unsigned long foot;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_t name;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_t prefix;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_boolean_t sub;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews REQUIRE(rdata->type == 24);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson tctx = tctx; /*unused*/
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_rdata_toregion(rdata, &sr);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* type covered */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews covered = uint16_fromregion(&sr);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(&sr, 2);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(dns_rdatatype_totext(covered, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(" ", target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* algorithm */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews sprintf(buf, "%u", sr.base[0]);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(&sr, 1);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(buf, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(" ", target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* labels */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews sprintf(buf, "%u", sr.base[0]);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(&sr, 1);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(buf, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(" ", target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* ttl */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews ttl = uint32_fromregion(&sr);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(&sr, 4);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews sprintf(buf, "%lu", ttl);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(buf, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(" ", target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* sig exp */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews exp = uint32_fromregion(&sr);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(&sr, 4);
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson RETERR(dns_time32_totext(exp, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
fad44a20eede1bbc66716241dede225500c91caaAndreas Gustafsson if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
fad44a20eede1bbc66716241dede225500c91caaAndreas Gustafsson RETERR(str_totext(" (", target));
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson RETERR(str_totext(tctx->linebreak, target));
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* time signed */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews when = uint32_fromregion(&sr);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(&sr, 4);
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson RETERR(dns_time32_totext(when, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(" ", target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* footprint */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews foot = uint16_fromregion(&sr);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(&sr, 2);
b5da378f2987a115491c291d062252f3152d8db8Brian Wellington sprintf(buf, "%lu", foot);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(buf, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(" ", target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* signer */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_init(&name, NULL);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_init(&prefix, NULL);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_fromregion(&name, &sr);
2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews isc_region_consume(&sr, name_length(&name));
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson sub = name_prefix(&name, tctx->origin, &prefix);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(dns_name_totext(&prefix, sub, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* sig */
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson RETERR(str_totext(tctx->linebreak, target));
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson RETERR(isc_base64_totext(&sr, tctx->width - 2,
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson tctx->linebreak, target));
fad44a20eede1bbc66716241dede225500c91caaAndreas Gustafsson if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
fad44a20eede1bbc66716241dede225500c91caaAndreas Gustafsson RETERR(str_totext(" )", target));
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson
5fc7ba3e1ac5d72239e9971e0f469dd5796738f9Andreas Gustafsson return DNS_R_SUCCESS;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews}
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
4529cdaedaf1a0a5f8ff89aeca510b7a4475446cBob Halleystatic inline dns_result_t
d981ca645597116d227a48bf37cc5edc061c854dBob Halleyfromwire_sig(dns_rdataclass_t rdclass, dns_rdatatype_t type,
0e8cf9a887c70f96ac448b06c069d90b830215ccMark Andrews isc_buffer_t *source, dns_decompress_t *dctx,
0e8cf9a887c70f96ac448b06c069d90b830215ccMark Andrews isc_boolean_t downcase, isc_buffer_t *target)
0e8cf9a887c70f96ac448b06c069d90b830215ccMark Andrews{
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_t sr;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_t name;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews REQUIRE(type == 24);
1ef8965366d91e02a4672c35a187d30aa4a4c72cMark Andrews
1ef8965366d91e02a4672c35a187d30aa4a4c72cMark Andrews if (dns_decompress_edns(dctx) >= 1 || !dns_decompress_strict(dctx))
1ef8965366d91e02a4672c35a187d30aa4a4c72cMark Andrews dns_decompress_setmethods(dctx, DNS_COMPRESS_ALL);
1ef8965366d91e02a4672c35a187d30aa4a4c72cMark Andrews else
1ef8965366d91e02a4672c35a187d30aa4a4c72cMark Andrews dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
d981ca645597116d227a48bf37cc5edc061c854dBob Halley rdclass = rdclass; /*unused*/
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_buffer_active(source, &sr);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /*
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * type covered: 2
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * algorithm: 1
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * labels: 1
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * original ttl: 4
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * signature expiration: 4
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * time signed: 4
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * key footprint: 2
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (sr.length < 18)
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (DNS_R_UNEXPECTEDEND);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_buffer_forward(source, 18);
2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews RETERR(mem_tobuffer(target, sr.base, 18));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* signer */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_init(&name, NULL);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(dns_name_fromwire(&name, source, dctx, downcase, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* sig */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_buffer_active(source, &sr);
2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews isc_buffer_forward(source, sr.length);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return(mem_tobuffer(target, sr.base, sr.length));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews}
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
4529cdaedaf1a0a5f8ff89aeca510b7a4475446cBob Halleystatic inline dns_result_t
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewstowire_sig(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_t sr;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_t name;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews REQUIRE(rdata->type == 24);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
52637f592f705ca93fadc218e403fd55e8ce4aeaMark Andrews if (dns_compress_getedns(cctx) >= 1)
52637f592f705ca93fadc218e403fd55e8ce4aeaMark Andrews dns_compress_setmethods(cctx, DNS_COMPRESS_ALL);
52637f592f705ca93fadc218e403fd55e8ce4aeaMark Andrews else
52637f592f705ca93fadc218e403fd55e8ce4aeaMark Andrews dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
52637f592f705ca93fadc218e403fd55e8ce4aeaMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_rdata_toregion(rdata, &sr);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /*
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * type covered: 2
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * algorithm: 1
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * labels: 1
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * original ttl: 4
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * signature expiration: 4
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * time signed: 4
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews * key footprint: 2
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(mem_tobuffer(target, sr.base, 18));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(&sr, 18);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* signer */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_init(&name, NULL);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_fromregion(&name, &sr);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(&sr, name_length(&name));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(dns_name_towire(&name, cctx, target));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews /* signature */
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (mem_tobuffer(target, sr.base, sr.length));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews}
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
4529cdaedaf1a0a5f8ff89aeca510b7a4475446cBob Halleystatic inline int
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewscompare_sig(dns_rdata_t *rdata1, dns_rdata_t *rdata2) {
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_t r1;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_t r2;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_t name1;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_t name2;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews int result;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews REQUIRE(rdata1->type == rdata2->type);
d981ca645597116d227a48bf37cc5edc061c854dBob Halley REQUIRE(rdata1->rdclass == rdata2->rdclass);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews REQUIRE(rdata1->type == 24);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_rdata_toregion(rdata1, &r1);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_rdata_toregion(rdata2, &r2);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews INSIST(r1.length > 18);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews INSIST(r2.length > 18);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews r1.length = 18;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews r2.length = 18;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews result = compare_region(&r1, &r2);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (result != 0)
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (result);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_init(&name1, NULL);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_init(&name2, NULL);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_rdata_toregion(rdata1, &r1);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_rdata_toregion(rdata2, &r2);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(&r1, 18);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(&r2, 18);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_fromregion(&name1, &r1);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews dns_name_fromregion(&name2, &r2);
7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews result = dns_name_rdatacompare(&name1, &name2);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (result != 0)
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (result);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(&r1, name_length(&name1));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(&r2, name_length(&name2));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (compare_region(&r1, &r2));
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews}
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
4529cdaedaf1a0a5f8ff89aeca510b7a4475446cBob Halleystatic inline dns_result_t
d981ca645597116d227a48bf37cc5edc061c854dBob Halleyfromstruct_sig(dns_rdataclass_t rdclass, dns_rdatatype_t type, void *source,
0e8cf9a887c70f96ac448b06c069d90b830215ccMark Andrews isc_buffer_t *target)
0e8cf9a887c70f96ac448b06c069d90b830215ccMark Andrews{
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_region_t tr;
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington dns_rdata_generic_sig_t *sig;
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington dns_compress_t cctx;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews REQUIRE(type == 24);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
d981ca645597116d227a48bf37cc5edc061c854dBob Halley rdclass = rdclass; /*unused*/
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews source = source;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews target = target;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig = (dns_rdata_generic_sig_t *) source;
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington REQUIRE(sig->mctx != NULL);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Type covered */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington RETERR(uint16_tobuffer(sig->covered, target));
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Algorithm */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington RETERR(uint8_tobuffer(sig->algorithm, target));
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Labels */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington RETERR(uint8_tobuffer(sig->labels, target));
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Original TTL */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington RETERR(uint32_tobuffer(sig->originalttl, target));
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Expire time */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington RETERR(uint32_tobuffer(sig->timeexpire, target));
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Time signed */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington RETERR(uint32_tobuffer(sig->timesigned, target));
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Key ID */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington RETERR(uint16_tobuffer(sig->keyid, target));
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Signer name */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington RETERR(dns_compress_init(&cctx, -1, sig->mctx));
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington dns_compress_setmethods(&cctx, DNS_COMPRESS_NONE);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington RETERR(dns_name_towire(sig->signer, &cctx, target));
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington dns_compress_invalidate(&cctx);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Signature */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington if (sig->siglen > 0) {
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_buffer_available(target, &tr);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington if (tr.length < sig->siglen)
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington return (DNS_R_NOSPACE);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington memcpy(tr.base, sig->signature, sig->siglen);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_buffer_add(target, sig->siglen);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington }
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington return (DNS_R_SUCCESS);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews}
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
4529cdaedaf1a0a5f8ff89aeca510b7a4475446cBob Halleystatic inline dns_result_t
94a3bcd132e515b4baa0884ba9dd0f361d2e17bcMark Andrewstostruct_sig(dns_rdata_t *rdata, void *target, isc_mem_t *mctx) {
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_region_t sr;
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington dns_rdata_generic_sig_t *sig;
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington dns_name_t signer;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews REQUIRE(rdata->type == 24);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews target = target;
94a3bcd132e515b4baa0884ba9dd0f361d2e17bcMark Andrews mctx = mctx;
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig = (dns_rdata_generic_sig_t *) target;
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig->common.rdclass = rdata->rdclass;
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig->common.rdtype = rdata->type;
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington ISC_LINK_INIT(&sig->common, link);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig->mctx = mctx;
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington dns_rdata_toregion(rdata, &sr);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Type covered */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington if (sr.length < 2)
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington return (ISC_R_UNEXPECTEDEND);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig->covered = uint16_fromregion(&sr);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_region_consume(&sr, 2);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Algorithm */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington if (sr.length < 1)
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington return (ISC_R_UNEXPECTEDEND);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig->algorithm = uint8_fromregion(&sr);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_region_consume(&sr, 1);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Labels */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington if (sr.length < 1)
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington return (ISC_R_UNEXPECTEDEND);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig->labels = uint8_fromregion(&sr);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_region_consume(&sr, 1);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Original TTL */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington if (sr.length < 4)
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington return (ISC_R_UNEXPECTEDEND);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig->originalttl = uint32_fromregion(&sr);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_region_consume(&sr, 4);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Expire time */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington if (sr.length < 4)
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington return (ISC_R_UNEXPECTEDEND);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig->timeexpire = uint32_fromregion(&sr);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_region_consume(&sr, 4);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Time signed */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington if (sr.length < 4)
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington return (ISC_R_UNEXPECTEDEND);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig->timesigned = uint32_fromregion(&sr);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_region_consume(&sr, 4);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Key ID */
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington if (sr.length < 2)
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington return (ISC_R_UNEXPECTEDEND);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig->keyid = uint16_fromregion(&sr);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_region_consume(&sr, 2);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington dns_name_init(&signer, NULL);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington dns_name_fromregion(&signer, &sr);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig->signer = (dns_name_t *) isc_mem_get(mctx, sizeof(dns_name_t));
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington if (sig->signer == NULL)
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington return (DNS_R_NOMEMORY);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington dns_name_init(sig->signer, NULL);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington RETERR(dns_name_dup(&signer, mctx, sig->signer));
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_region_consume(&sr, name_length(sig->signer));
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington /* Signature */
b5da378f2987a115491c291d062252f3152d8db8Brian Wellington sig->siglen = sr.length;
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington if (sig->siglen > 0) {
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig->signature = isc_mem_get(mctx, sig->siglen);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington if (sig->signature == NULL)
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington return (DNS_R_NOMEMORY);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington memcpy(sig->signature, sr.base, sig->siglen);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_region_consume(&sr, sig->siglen);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington }
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington else
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington sig->signature = NULL;
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington return (DNS_R_SUCCESS);
ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews}
94a3bcd132e515b4baa0884ba9dd0f361d2e17bcMark Andrews
4529cdaedaf1a0a5f8ff89aeca510b7a4475446cBob Halleystatic inline void
94a3bcd132e515b4baa0884ba9dd0f361d2e17bcMark Andrewsfreestruct_sig(void *source) {
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington dns_rdata_generic_sig_t *sig = (dns_rdata_generic_sig_t *) source;
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
94a3bcd132e515b4baa0884ba9dd0f361d2e17bcMark Andrews REQUIRE(source != NULL);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington REQUIRE(sig->common.rdtype == 24);
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington dns_name_free(sig->signer, sig->mctx);
32b57aa1b97abdcd5fb5b1d0c05eb561ef3c125aBrian Wellington isc_mem_put(sig->mctx, sig->signer, sizeof(dns_name_t));
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington if (sig->siglen > 0)
d8813e2ceee2f4adaf697931c2491de265ce5eb9Brian Wellington isc_mem_put(sig->mctx, sig->signature, sig->siglen);
94a3bcd132e515b4baa0884ba9dd0f361d2e17bcMark Andrews}
d981ca645597116d227a48bf37cc5edc061c854dBob Halley
4529cdaedaf1a0a5f8ff89aeca510b7a4475446cBob Halleystatic inline dns_result_t
d981ca645597116d227a48bf37cc5edc061c854dBob Halleyadditionaldata_sig(dns_rdata_t *rdata, dns_additionaldatafunc_t add,
d981ca645597116d227a48bf37cc5edc061c854dBob Halley void *arg)
d981ca645597116d227a48bf37cc5edc061c854dBob Halley{
d981ca645597116d227a48bf37cc5edc061c854dBob Halley REQUIRE(rdata->type == 24);
d981ca645597116d227a48bf37cc5edc061c854dBob Halley
d981ca645597116d227a48bf37cc5edc061c854dBob Halley (void)add;
d981ca645597116d227a48bf37cc5edc061c854dBob Halley (void)arg;
d981ca645597116d227a48bf37cc5edc061c854dBob Halley
d981ca645597116d227a48bf37cc5edc061c854dBob Halley return (DNS_R_SUCCESS);
d981ca645597116d227a48bf37cc5edc061c854dBob Halley}
d981ca645597116d227a48bf37cc5edc061c854dBob Halley
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halleystatic inline dns_result_t
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halleydigest_sig(dns_rdata_t *rdata, dns_digestfunc_t digest, void *arg) {
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley REQUIRE(rdata->type == 24);
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley (void)digest;
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley (void)arg;
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley return (DNS_R_NOTIMPLEMENTED);
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley}
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halleystatic inline dns_rdatatype_t
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halleycovers_sig(dns_rdata_t *rdata) {
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley dns_rdatatype_t type;
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley isc_region_t r;
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley REQUIRE(rdata->type == 24);
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley dns_rdata_toregion(rdata, &r);
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley type = uint16_fromregion(&r);
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley return (type);
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley}
e27a69f8bd9538e08f775265167ba6cc5f47c587Bob Halley
854d0238dbc2908490197984b3b9d558008a53dfMark Andrews#endif /* RDATA_GENERIC_SIG_24_C */