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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 07:24:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 07:24:22 +0000 |
commit | 45d6379135504814ab723b57f0eb8be23393a51d (patch) | |
tree | d4f2ec4acca824a8446387a758b0ce4238a4dffa /lib/dns/rdata/generic/keydata_65533.c | |
parent | Initial commit. (diff) | |
download | bind9-upstream.tar.xz bind9-upstream.zip |
Adding upstream version 1:9.16.44.upstream/1%9.16.44upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/dns/rdata/generic/keydata_65533.c')
-rw-r--r-- | lib/dns/rdata/generic/keydata_65533.c | 462 |
1 files changed, 462 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/keydata_65533.c b/lib/dns/rdata/generic/keydata_65533.c new file mode 100644 index 0000000..46ae5dd --- /dev/null +++ b/lib/dns/rdata/generic/keydata_65533.c @@ -0,0 +1,462 @@ +/* + * 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 <isc/stdtime.h> +#include <isc/time.h> + +#include <dst/dst.h> + +#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(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 */ |