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-rw-r--r--lib/dns/rdata/generic/csync_62.c273
1 files changed, 273 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/csync_62.c b/lib/dns/rdata/generic/csync_62.c
new file mode 100644
index 0000000..f988729
--- /dev/null
+++ b/lib/dns/rdata/generic/csync_62.c
@@ -0,0 +1,273 @@
+/*
+ * 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.
+ */
+
+/* RFC 7477 */
+
+#ifndef RDATA_GENERIC_CSYNC_62_C
+#define RDATA_GENERIC_CSYNC_62_C
+
+#define RRTYPE_CSYNC_ATTRIBUTES 0
+
+static isc_result_t
+fromtext_csync(ARGS_FROMTEXT) {
+ isc_token_t token;
+
+ REQUIRE(type == dns_rdatatype_csync);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(origin);
+ UNUSED(options);
+ UNUSED(callbacks);
+
+ /* Serial. */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
+ false));
+ RETERR(uint32_tobuffer(token.value.as_ulong, target));
+
+ /* Flags. */
+ 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));
+
+ /* Type Map */
+ return (typemap_fromtext(lexer, target, true));
+}
+
+static isc_result_t
+totext_csync(ARGS_TOTEXT) {
+ unsigned long num;
+ char buf[sizeof("0123456789")]; /* Also TYPE65535 */
+ isc_region_t sr;
+
+ REQUIRE(rdata->type == dns_rdatatype_csync);
+ REQUIRE(rdata->length >= 6);
+
+ UNUSED(tctx);
+
+ dns_rdata_toregion(rdata, &sr);
+
+ num = uint32_fromregion(&sr);
+ isc_region_consume(&sr, 4);
+ snprintf(buf, sizeof(buf), "%lu", num);
+ RETERR(str_totext(buf, target));
+
+ RETERR(str_totext(" ", target));
+
+ num = uint16_fromregion(&sr);
+ isc_region_consume(&sr, 2);
+ snprintf(buf, sizeof(buf), "%lu", num);
+ RETERR(str_totext(buf, target));
+
+ /*
+ * Don't leave a trailing space when there's no typemap present.
+ */
+ if (sr.length > 0) {
+ RETERR(str_totext(" ", target));
+ }
+ return (typemap_totext(&sr, NULL, target));
+}
+
+static isc_result_t
+fromwire_csync(ARGS_FROMWIRE) {
+ isc_region_t sr;
+
+ REQUIRE(type == dns_rdatatype_csync);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(options);
+ UNUSED(dctx);
+
+ /*
+ * Serial + Flags
+ */
+ isc_buffer_activeregion(source, &sr);
+ if (sr.length < 6) {
+ return (ISC_R_UNEXPECTEDEND);
+ }
+
+ RETERR(mem_tobuffer(target, sr.base, 6));
+ isc_buffer_forward(source, 6);
+ isc_region_consume(&sr, 6);
+
+ RETERR(typemap_test(&sr, true));
+
+ RETERR(mem_tobuffer(target, sr.base, sr.length));
+ isc_buffer_forward(source, sr.length);
+ return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+towire_csync(ARGS_TOWIRE) {
+ REQUIRE(rdata->type == dns_rdatatype_csync);
+ REQUIRE(rdata->length >= 6);
+
+ UNUSED(cctx);
+
+ return (mem_tobuffer(target, rdata->data, rdata->length));
+}
+
+static int
+compare_csync(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_csync);
+ REQUIRE(rdata1->length >= 6);
+ REQUIRE(rdata2->length >= 6);
+
+ dns_rdata_toregion(rdata1, &r1);
+ dns_rdata_toregion(rdata2, &r2);
+ return (isc_region_compare(&r1, &r2));
+}
+
+static isc_result_t
+fromstruct_csync(ARGS_FROMSTRUCT) {
+ dns_rdata_csync_t *csync = source;
+ isc_region_t region;
+
+ REQUIRE(type == dns_rdatatype_csync);
+ REQUIRE(csync != NULL);
+ REQUIRE(csync->common.rdtype == type);
+ REQUIRE(csync->common.rdclass == rdclass);
+ REQUIRE(csync->typebits != NULL || csync->len == 0);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ RETERR(uint32_tobuffer(csync->serial, target));
+ RETERR(uint16_tobuffer(csync->flags, target));
+
+ region.base = csync->typebits;
+ region.length = csync->len;
+ RETERR(typemap_test(&region, true));
+ return (mem_tobuffer(target, csync->typebits, csync->len));
+}
+
+static isc_result_t
+tostruct_csync(ARGS_TOSTRUCT) {
+ isc_region_t region;
+ dns_rdata_csync_t *csync = target;
+
+ REQUIRE(rdata->type == dns_rdatatype_csync);
+ REQUIRE(csync != NULL);
+ REQUIRE(rdata->length != 0);
+
+ csync->common.rdclass = rdata->rdclass;
+ csync->common.rdtype = rdata->type;
+ ISC_LINK_INIT(&csync->common, link);
+
+ dns_rdata_toregion(rdata, &region);
+
+ csync->serial = uint32_fromregion(&region);
+ isc_region_consume(&region, 4);
+
+ csync->flags = uint16_fromregion(&region);
+ isc_region_consume(&region, 2);
+
+ csync->len = region.length;
+ csync->typebits = mem_maybedup(mctx, region.base, region.length);
+ if (csync->typebits == NULL) {
+ goto cleanup;
+ }
+
+ csync->mctx = mctx;
+ return (ISC_R_SUCCESS);
+
+cleanup:
+ return (ISC_R_NOMEMORY);
+}
+
+static void
+freestruct_csync(ARGS_FREESTRUCT) {
+ dns_rdata_csync_t *csync = source;
+
+ REQUIRE(csync != NULL);
+ REQUIRE(csync->common.rdtype == dns_rdatatype_csync);
+
+ if (csync->mctx == NULL) {
+ return;
+ }
+
+ if (csync->typebits != NULL) {
+ isc_mem_free(csync->mctx, csync->typebits);
+ }
+ csync->mctx = NULL;
+}
+
+static isc_result_t
+additionaldata_csync(ARGS_ADDLDATA) {
+ REQUIRE(rdata->type == dns_rdatatype_csync);
+
+ UNUSED(rdata);
+ UNUSED(add);
+ UNUSED(arg);
+
+ return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+digest_csync(ARGS_DIGEST) {
+ isc_region_t r;
+
+ REQUIRE(rdata->type == dns_rdatatype_csync);
+
+ dns_rdata_toregion(rdata, &r);
+ return ((digest)(arg, &r));
+}
+
+static bool
+checkowner_csync(ARGS_CHECKOWNER) {
+ REQUIRE(type == dns_rdatatype_csync);
+
+ UNUSED(name);
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(wildcard);
+
+ return (true);
+}
+
+static bool
+checknames_csync(ARGS_CHECKNAMES) {
+ REQUIRE(rdata->type == dns_rdatatype_csync);
+
+ UNUSED(rdata);
+ UNUSED(owner);
+ UNUSED(bad);
+
+ return (true);
+}
+
+static int
+casecompare_csync(ARGS_COMPARE) {
+ isc_region_t region1;
+ isc_region_t region2;
+
+ REQUIRE(rdata1->type == rdata2->type);
+ REQUIRE(rdata1->rdclass == rdata2->rdclass);
+ REQUIRE(rdata1->type == dns_rdatatype_csync);
+ REQUIRE(rdata1->length >= 6);
+ REQUIRE(rdata2->length >= 6);
+
+ dns_rdata_toregion(rdata1, &region1);
+ dns_rdata_toregion(rdata2, &region2);
+ return (isc_region_compare(&region1, &region2));
+}
+#endif /* RDATA_GENERIC_CSYNC_62_C */