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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:59:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:59:48 +0000
commit3b9b6d0b8e7f798023c9d109c490449d528fde80 (patch)
tree2e1c188dd7b8d7475cd163de9ae02c428343669b /lib/dns/rdata/generic/cert_37.c
parentInitial commit. (diff)
downloadbind9-3b9b6d0b8e7f798023c9d109c490449d528fde80.tar.xz
bind9-3b9b6d0b8e7f798023c9d109c490449d528fde80.zip
Adding upstream version 1:9.18.19.upstream/1%9.18.19upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/dns/rdata/generic/cert_37.c')
-rw-r--r--lib/dns/rdata/generic/cert_37.c285
1 files changed, 285 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/cert_37.c b/lib/dns/rdata/generic/cert_37.c
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index 0000000..eb307a7
--- /dev/null
+++ b/lib/dns/rdata/generic/cert_37.c
@@ -0,0 +1,285 @@
+/*
+ * 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.
+ */
+
+/* RFC2538 */
+
+#ifndef RDATA_GENERIC_CERT_37_C
+#define RDATA_GENERIC_CERT_37_C
+
+#define RRTYPE_CERT_ATTRIBUTES (0)
+
+static isc_result_t
+fromtext_cert(ARGS_FROMTEXT) {
+ isc_token_t token;
+ dns_secalg_t secalg;
+ dns_cert_t cert;
+
+ REQUIRE(type == dns_rdatatype_cert);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(origin);
+ UNUSED(options);
+ UNUSED(callbacks);
+
+ /*
+ * Cert type.
+ */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+ false));
+ RETTOK(dns_cert_fromtext(&cert, &token.value.as_textregion));
+ RETERR(uint16_tobuffer(cert, target));
+
+ /*
+ * Key tag.
+ */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
+ 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,
+ false));
+ RETTOK(dns_secalg_fromtext(&secalg, &token.value.as_textregion));
+ RETERR(mem_tobuffer(target, &secalg, 1));
+
+ return (isc_base64_tobuffer(lexer, target, -2));
+}
+
+static isc_result_t
+totext_cert(ARGS_TOTEXT) {
+ isc_region_t sr;
+ char buf[sizeof("64000 ")];
+ unsigned int n;
+
+ REQUIRE(rdata->type == dns_rdatatype_cert);
+ REQUIRE(rdata->length != 0);
+
+ UNUSED(tctx);
+
+ dns_rdata_toregion(rdata, &sr);
+
+ /*
+ * Type.
+ */
+ n = uint16_fromregion(&sr);
+ isc_region_consume(&sr, 2);
+ RETERR(dns_cert_totext((dns_cert_t)n, target));
+ RETERR(str_totext(" ", target));
+
+ /*
+ * Key tag.
+ */
+ n = uint16_fromregion(&sr);
+ isc_region_consume(&sr, 2);
+ snprintf(buf, sizeof(buf), "%u ", n);
+ RETERR(str_totext(buf, target));
+
+ /*
+ * Algorithm.
+ */
+ RETERR(dns_secalg_totext(sr.base[0], target));
+ isc_region_consume(&sr, 1);
+
+ /*
+ * Cert.
+ */
+ 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_MULTILINE) != 0) {
+ RETERR(str_totext(" )", target));
+ }
+ return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+fromwire_cert(ARGS_FROMWIRE) {
+ isc_region_t sr;
+
+ REQUIRE(type == dns_rdatatype_cert);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(dctx);
+ UNUSED(options);
+
+ isc_buffer_activeregion(source, &sr);
+ if (sr.length < 6) {
+ return (ISC_R_UNEXPECTEDEND);
+ }
+
+ isc_buffer_forward(source, sr.length);
+ return (mem_tobuffer(target, sr.base, sr.length));
+}
+
+static isc_result_t
+towire_cert(ARGS_TOWIRE) {
+ isc_region_t sr;
+
+ REQUIRE(rdata->type == dns_rdatatype_cert);
+ REQUIRE(rdata->length != 0);
+
+ UNUSED(cctx);
+
+ dns_rdata_toregion(rdata, &sr);
+ return (mem_tobuffer(target, sr.base, sr.length));
+}
+
+static int
+compare_cert(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_cert);
+ 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 isc_result_t
+fromstruct_cert(ARGS_FROMSTRUCT) {
+ dns_rdata_cert_t *cert = source;
+
+ REQUIRE(type == dns_rdatatype_cert);
+ REQUIRE(cert != NULL);
+ REQUIRE(cert->common.rdtype == type);
+ REQUIRE(cert->common.rdclass == rdclass);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ RETERR(uint16_tobuffer(cert->type, target));
+ RETERR(uint16_tobuffer(cert->key_tag, target));
+ RETERR(uint8_tobuffer(cert->algorithm, target));
+
+ return (mem_tobuffer(target, cert->certificate, cert->length));
+}
+
+static isc_result_t
+tostruct_cert(ARGS_TOSTRUCT) {
+ dns_rdata_cert_t *cert = target;
+ isc_region_t region;
+
+ REQUIRE(rdata->type == dns_rdatatype_cert);
+ REQUIRE(cert != NULL);
+ REQUIRE(rdata->length != 0);
+
+ cert->common.rdclass = rdata->rdclass;
+ cert->common.rdtype = rdata->type;
+ ISC_LINK_INIT(&cert->common, link);
+
+ dns_rdata_toregion(rdata, &region);
+
+ cert->type = uint16_fromregion(&region);
+ isc_region_consume(&region, 2);
+ cert->key_tag = uint16_fromregion(&region);
+ isc_region_consume(&region, 2);
+ cert->algorithm = uint8_fromregion(&region);
+ isc_region_consume(&region, 1);
+ cert->length = region.length;
+
+ cert->certificate = mem_maybedup(mctx, region.base, region.length);
+ if (cert->certificate == NULL) {
+ return (ISC_R_NOMEMORY);
+ }
+
+ cert->mctx = mctx;
+ return (ISC_R_SUCCESS);
+}
+
+static void
+freestruct_cert(ARGS_FREESTRUCT) {
+ dns_rdata_cert_t *cert = source;
+
+ REQUIRE(cert != NULL);
+ REQUIRE(cert->common.rdtype == dns_rdatatype_cert);
+
+ if (cert->mctx == NULL) {
+ return;
+ }
+
+ if (cert->certificate != NULL) {
+ isc_mem_free(cert->mctx, cert->certificate);
+ }
+ cert->mctx = NULL;
+}
+
+static isc_result_t
+additionaldata_cert(ARGS_ADDLDATA) {
+ REQUIRE(rdata->type == dns_rdatatype_cert);
+
+ UNUSED(rdata);
+ UNUSED(owner);
+ UNUSED(add);
+ UNUSED(arg);
+
+ return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+digest_cert(ARGS_DIGEST) {
+ isc_region_t r;
+
+ REQUIRE(rdata->type == dns_rdatatype_cert);
+
+ dns_rdata_toregion(rdata, &r);
+
+ return ((digest)(arg, &r));
+}
+
+static bool
+checkowner_cert(ARGS_CHECKOWNER) {
+ REQUIRE(type == dns_rdatatype_cert);
+
+ UNUSED(name);
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(wildcard);
+
+ return (true);
+}
+
+static bool
+checknames_cert(ARGS_CHECKNAMES) {
+ REQUIRE(rdata->type == dns_rdatatype_cert);
+
+ UNUSED(rdata);
+ UNUSED(owner);
+ UNUSED(bad);
+
+ return (true);
+}
+
+static int
+casecompare_cert(ARGS_COMPARE) {
+ return (compare_cert(rdata1, rdata2));
+}
+#endif /* RDATA_GENERIC_CERT_37_C */