/* $NetBSD: keydata_65533.c,v 1.9.2.1 2024/02/25 15:47:02 martin Exp $ */ /* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * SPDX-License-Identifier: MPL-2.0 * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #ifndef GENERIC_KEYDATA_65533_C #define GENERIC_KEYDATA_65533_C 1 #include #include #include #define RRTYPE_KEYDATA_ATTRIBUTES (0) static isc_result_t fromtext_keydata(ARGS_FROMTEXT) { isc_token_t token; dns_secalg_t alg; dns_secproto_t proto; dns_keyflags_t flags; uint32_t refresh, addhd, removehd; REQUIRE(type == dns_rdatatype_keydata); UNUSED(type); UNUSED(rdclass); UNUSED(origin); UNUSED(options); UNUSED(callbacks); /* refresh timer */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, false)); RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &refresh)); RETERR(uint32_tobuffer(refresh, target)); /* add hold-down */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, false)); RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &addhd)); RETERR(uint32_tobuffer(addhd, target)); /* remove hold-down */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, false)); RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &removehd)); RETERR(uint32_tobuffer(removehd, target)); /* flags */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, 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, 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, false)); RETTOK(dns_secalg_fromtext(&alg, &token.value.as_textregion)); RETERR(mem_tobuffer(target, &alg, 1)); /* Do we have a placeholder KEYDATA record? */ if (flags == 0 && proto == 0 && alg == 0) { return (ISC_R_SUCCESS); } /* No Key? */ if ((flags & 0xc000) == 0xc000) { return (ISC_R_SUCCESS); } return (isc_base64_tobuffer(lexer, target, -2)); } static isc_result_t totext_keydata(ARGS_TOTEXT) { isc_region_t sr; char buf[sizeof("64000")]; unsigned int flags; unsigned char proto, algorithm; unsigned long refresh, add, deltime; char algbuf[DNS_NAME_FORMATSIZE]; const char *keyinfo; REQUIRE(rdata->type == dns_rdatatype_keydata); if ((tctx->flags & DNS_STYLEFLAG_KEYDATA) == 0 || rdata->length < 16) { return (unknown_totext(rdata, tctx, target)); } dns_rdata_toregion(rdata, &sr); /* refresh timer */ refresh = uint32_fromregion(&sr); isc_region_consume(&sr, 4); RETERR(dns_time32_totext(refresh, target)); RETERR(str_totext(" ", target)); /* add hold-down */ add = uint32_fromregion(&sr); isc_region_consume(&sr, 4); RETERR(dns_time32_totext(add, target)); RETERR(str_totext(" ", target)); /* remove hold-down */ deltime = uint32_fromregion(&sr); isc_region_consume(&sr, 4); RETERR(dns_time32_totext(deltime, target)); RETERR(str_totext(" ", target)); /* flags */ flags = uint16_fromregion(&sr); isc_region_consume(&sr, 2); snprintf(buf, sizeof(buf), "%u", flags); RETERR(str_totext(buf, target)); RETERR(str_totext(" ", target)); if ((flags & DNS_KEYFLAG_KSK) != 0) { if ((flags & DNS_KEYFLAG_REVOKE) != 0) { keyinfo = "revoked KSK"; } else { keyinfo = "KSK"; } } else { keyinfo = "ZSK"; } /* protocol */ proto = sr.base[0]; snprintf(buf, sizeof(buf), "%u", proto); isc_region_consume(&sr, 1); RETERR(str_totext(buf, target)); RETERR(str_totext(" ", target)); /* algorithm */ algorithm = sr.base[0]; snprintf(buf, sizeof(buf), "%u", algorithm); isc_region_consume(&sr, 1); RETERR(str_totext(buf, target)); /* Do we have a placeholder KEYDATA record? */ if (flags == 0 && proto == 0 && algorithm == 0) { if ((tctx->flags & DNS_STYLEFLAG_RRCOMMENT) != 0) { RETERR(str_totext(" ; placeholder", target)); } return (ISC_R_SUCCESS); } /* No Key? */ if ((flags & 0xc000) == 0xc000) { return (ISC_R_SUCCESS); } /* key */ if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) { RETERR(str_totext(" (", target)); } RETERR(str_totext(tctx->linebreak, target)); if (tctx->width == 0) { /* No splitting */ RETERR(isc_base64_totext(&sr, 60, "", target)); } else { RETERR(isc_base64_totext(&sr, tctx->width - 2, tctx->linebreak, 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) { isc_region_t tmpr; char rbuf[ISC_FORMATHTTPTIMESTAMP_SIZE]; char abuf[ISC_FORMATHTTPTIMESTAMP_SIZE]; char dbuf[ISC_FORMATHTTPTIMESTAMP_SIZE]; isc_time_t t; RETERR(str_totext(" ; ", target)); RETERR(str_totext(keyinfo, target)); dns_secalg_format((dns_secalg_t)algorithm, algbuf, sizeof(algbuf)); RETERR(str_totext("; alg = ", target)); RETERR(str_totext(algbuf, target)); RETERR(str_totext("; key id = ", target)); dns_rdata_toregion(rdata, &tmpr); /* Skip over refresh, addhd, and removehd */ isc_region_consume(&tmpr, 12); snprintf(buf, sizeof(buf), "%u", dst_region_computeid(&tmpr)); RETERR(str_totext(buf, target)); if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) { isc_stdtime_t now; isc_stdtime_get(&now); RETERR(str_totext(tctx->linebreak, target)); RETERR(str_totext("; next refresh: ", target)); isc_time_set(&t, refresh, 0); isc_time_formathttptimestamp(&t, rbuf, sizeof(rbuf)); RETERR(str_totext(rbuf, target)); if (add == 0U) { RETERR(str_totext(tctx->linebreak, target)); RETERR(str_totext("; no trust", target)); } else { RETERR(str_totext(tctx->linebreak, target)); if (add < now) { RETERR(str_totext("; trusted since: ", target)); } else { RETERR(str_totext("; trust pending: ", target)); } isc_time_set(&t, add, 0); isc_time_formathttptimestamp(&t, abuf, sizeof(abuf)); RETERR(str_totext(abuf, target)); } if (deltime != 0U) { RETERR(str_totext(tctx->linebreak, target)); RETERR(str_totext("; removal pending: ", target)); isc_time_set(&t, deltime, 0); isc_time_formathttptimestamp(&t, dbuf, sizeof(dbuf)); RETERR(str_totext(dbuf, target)); } } } return (ISC_R_SUCCESS); } static isc_result_t fromwire_keydata(ARGS_FROMWIRE) { isc_region_t sr; REQUIRE(type == dns_rdatatype_keydata); UNUSED(type); UNUSED(rdclass); UNUSED(dctx); UNUSED(options); isc_buffer_activeregion(source, &sr); isc_buffer_forward(source, sr.length); return (mem_tobuffer(target, sr.base, sr.length)); } static isc_result_t towire_keydata(ARGS_TOWIRE) { isc_region_t sr; REQUIRE(rdata->type == dns_rdatatype_keydata); UNUSED(cctx); dns_rdata_toregion(rdata, &sr); return (mem_tobuffer(target, sr.base, sr.length)); } static int compare_keydata(ARGS_COMPARE) { isc_region_t r1; isc_region_t r2; REQUIRE(rdata1->type == rdata2->type); REQUIRE(rdata1->rdclass == rdata2->rdclass); REQUIRE(rdata1->type == dns_rdatatype_keydata); dns_rdata_toregion(rdata1, &r1); dns_rdata_toregion(rdata2, &r2); return (isc_region_compare(&r1, &r2)); } static isc_result_t fromstruct_keydata(ARGS_FROMSTRUCT) { dns_rdata_keydata_t *keydata = source; REQUIRE(type == dns_rdatatype_keydata); REQUIRE(keydata != NULL); REQUIRE(keydata->common.rdtype == type); REQUIRE(keydata->common.rdclass == rdclass); UNUSED(type); UNUSED(rdclass); /* Refresh timer */ RETERR(uint32_tobuffer(keydata->refresh, target)); /* Add hold-down */ RETERR(uint32_tobuffer(keydata->addhd, target)); /* Remove hold-down */ RETERR(uint32_tobuffer(keydata->removehd, target)); /* Flags */ RETERR(uint16_tobuffer(keydata->flags, target)); /* Protocol */ RETERR(uint8_tobuffer(keydata->protocol, target)); /* Algorithm */ RETERR(uint8_tobuffer(keydata->algorithm, target)); /* Data */ return (mem_tobuffer(target, keydata->data, keydata->datalen)); } static isc_result_t tostruct_keydata(ARGS_TOSTRUCT) { dns_rdata_keydata_t *keydata = target; isc_region_t sr; REQUIRE(rdata->type == dns_rdatatype_keydata); REQUIRE(keydata != NULL); keydata->common.rdclass = rdata->rdclass; keydata->common.rdtype = rdata->type; ISC_LINK_INIT(&keydata->common, link); dns_rdata_toregion(rdata, &sr); /* Refresh timer */ if (sr.length < 4) { return (ISC_R_UNEXPECTEDEND); } keydata->refresh = uint32_fromregion(&sr); isc_region_consume(&sr, 4); /* Add hold-down */ if (sr.length < 4) { return (ISC_R_UNEXPECTEDEND); } keydata->addhd = uint32_fromregion(&sr); isc_region_consume(&sr, 4); /* Remove hold-down */ if (sr.length < 4) { return (ISC_R_UNEXPECTEDEND); } keydata->removehd = uint32_fromregion(&sr); isc_region_consume(&sr, 4); /* Flags */ if (sr.length < 2) { return (ISC_R_UNEXPECTEDEND); } keydata->flags = uint16_fromregion(&sr); isc_region_consume(&sr, 2); /* Protocol */ if (sr.length < 1) { return (ISC_R_UNEXPECTEDEND); } keydata->protocol = uint8_fromregion(&sr); isc_region_consume(&sr, 1); /* Algorithm */ if (sr.length < 1) { return (ISC_R_UNEXPECTEDEND); } keydata->algorithm = uint8_fromregion(&sr); isc_region_consume(&sr, 1); /* Data */ keydata->datalen = sr.length; keydata->data = mem_maybedup(mctx, sr.base, keydata->datalen); if (keydata->data == NULL) { return (ISC_R_NOMEMORY); } keydata->mctx = mctx; return (ISC_R_SUCCESS); } static void freestruct_keydata(ARGS_FREESTRUCT) { dns_rdata_keydata_t *keydata = (dns_rdata_keydata_t *)source; REQUIRE(keydata != NULL); REQUIRE(keydata->common.rdtype == dns_rdatatype_keydata); if (keydata->mctx == NULL) { return; } if (keydata->data != NULL) { isc_mem_free(keydata->mctx, keydata->data); } keydata->mctx = NULL; } static isc_result_t additionaldata_keydata(ARGS_ADDLDATA) { REQUIRE(rdata->type == dns_rdatatype_keydata); UNUSED(rdata); UNUSED(owner); UNUSED(add); UNUSED(arg); return (ISC_R_SUCCESS); } static isc_result_t digest_keydata(ARGS_DIGEST) { isc_region_t r; REQUIRE(rdata->type == dns_rdatatype_keydata); dns_rdata_toregion(rdata, &r); return ((digest)(arg, &r)); } static bool checkowner_keydata(ARGS_CHECKOWNER) { REQUIRE(type == dns_rdatatype_keydata); UNUSED(name); UNUSED(type); UNUSED(rdclass); UNUSED(wildcard); return (true); } static bool checknames_keydata(ARGS_CHECKNAMES) { REQUIRE(rdata->type == dns_rdatatype_keydata); UNUSED(rdata); UNUSED(owner); UNUSED(bad); return (true); } static int casecompare_keydata(ARGS_COMPARE) { return (compare_keydata(rdata1, rdata2)); } #endif /* GENERIC_KEYDATA_65533_C */