1 files changed, 323 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/minfo_14.c b/lib/dns/rdata/generic/minfo_14.c
new file mode 100644
index 0000000..38ff8bd
--- /dev/null
+++ b/lib/dns/rdata/generic/minfo_14.c
@@ -0,0 +1,323 @@
+/*
+ * 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 RDATA_GENERIC_MINFO_14_C
+#define RDATA_GENERIC_MINFO_14_C
+
+#define RRTYPE_MINFO_ATTRIBUTES (0)
+
+static isc_result_t
+fromtext_minfo(ARGS_FROMTEXT) {
+	isc_token_t token;
+	dns_name_t name;
+	isc_buffer_t buffer;
+	int i;
+	bool ok;
+
+	REQUIRE(type == dns_rdatatype_minfo);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(callbacks);
+
+	if (origin == NULL) {
+		origin = dns_rootname;
+	}
+
+	for (i = 0; i < 2; i++) {
+		RETERR(isc_lex_getmastertoken(lexer, &token,
+					      isc_tokentype_string, false));
+		dns_name_init(&name, NULL);
+		buffer_fromregion(&buffer, &token.value.as_region);
+		RETTOK(dns_name_fromtext(&name, &buffer, origin, options,
+					 target));
+		ok = true;
+		if ((options & DNS_RDATA_CHECKNAMES) != 0) {
+			ok = dns_name_ismailbox(&name);
+		}
+		if (!ok && (options & DNS_RDATA_CHECKNAMESFAIL) != 0) {
+			RETTOK(DNS_R_BADNAME);
+		}
+		if (!ok && callbacks != NULL) {
+			warn_badname(&name, lexer, callbacks);
+		}
+	}
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+totext_minfo(ARGS_TOTEXT) {
+	isc_region_t region;
+	dns_name_t rmail;
+	dns_name_t email;
+	dns_name_t prefix;
+	bool sub;
+
+	REQUIRE(rdata->type == dns_rdatatype_minfo);
+	REQUIRE(rdata->length != 0);
+
+	dns_name_init(&rmail, NULL);
+	dns_name_init(&email, NULL);
+	dns_name_init(&prefix, NULL);
+
+	dns_rdata_toregion(rdata, &region);
+
+	dns_name_fromregion(&rmail, &region);
+	isc_region_consume(&region, rmail.length);
+
+	dns_name_fromregion(&email, &region);
+	isc_region_consume(&region, email.length);
+
+	sub = name_prefix(&rmail, tctx->origin, &prefix);
+
+	RETERR(dns_name_totext(&prefix, sub, target));
+
+	RETERR(str_totext(" ", target));
+
+	sub = name_prefix(&email, tctx->origin, &prefix);
+	return (dns_name_totext(&prefix, sub, target));
+}
+
+static isc_result_t
+fromwire_minfo(ARGS_FROMWIRE) {
+	dns_name_t rmail;
+	dns_name_t email;
+
+	REQUIRE(type == dns_rdatatype_minfo);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+
+	dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
+
+	dns_name_init(&rmail, NULL);
+	dns_name_init(&email, NULL);
+
+	RETERR(dns_name_fromwire(&rmail, source, dctx, options, target));
+	return (dns_name_fromwire(&email, source, dctx, options, target));
+}
+
+static isc_result_t
+towire_minfo(ARGS_TOWIRE) {
+	isc_region_t region;
+	dns_name_t rmail;
+	dns_name_t email;
+	dns_offsets_t roffsets;
+	dns_offsets_t eoffsets;
+
+	REQUIRE(rdata->type == dns_rdatatype_minfo);
+	REQUIRE(rdata->length != 0);
+
+	dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14);
+
+	dns_name_init(&rmail, roffsets);
+	dns_name_init(&email, eoffsets);
+
+	dns_rdata_toregion(rdata, &region);
+
+	dns_name_fromregion(&rmail, &region);
+	isc_region_consume(&region, name_length(&rmail));
+
+	RETERR(dns_name_towire(&rmail, cctx, target));
+
+	dns_name_fromregion(&rmail, &region);
+	isc_region_consume(&region, rmail.length);
+
+	return (dns_name_towire(&rmail, cctx, target));
+}
+
+static int
+compare_minfo(ARGS_COMPARE) {
+	isc_region_t region1;
+	isc_region_t region2;
+	dns_name_t name1;
+	dns_name_t name2;
+	int order;
+
+	REQUIRE(rdata1->type == rdata2->type);
+	REQUIRE(rdata1->rdclass == rdata2->rdclass);
+	REQUIRE(rdata1->type == dns_rdatatype_minfo);
+	REQUIRE(rdata1->length != 0);
+	REQUIRE(rdata2->length != 0);
+
+	dns_name_init(&name1, NULL);
+	dns_name_init(&name2, NULL);
+
+	dns_rdata_toregion(rdata1, &region1);
+	dns_rdata_toregion(rdata2, &region2);
+
+	dns_name_fromregion(&name1, &region1);
+	dns_name_fromregion(&name2, &region2);
+
+	order = dns_name_rdatacompare(&name1, &name2);
+	if (order != 0) {
+		return (order);
+	}
+
+	isc_region_consume(&region1, name_length(&name1));
+	isc_region_consume(&region2, name_length(&name2));
+
+	dns_name_init(&name1, NULL);
+	dns_name_init(&name2, NULL);
+
+	dns_name_fromregion(&name1, &region1);
+	dns_name_fromregion(&name2, &region2);
+
+	order = dns_name_rdatacompare(&name1, &name2);
+	return (order);
+}
+
+static isc_result_t
+fromstruct_minfo(ARGS_FROMSTRUCT) {
+	dns_rdata_minfo_t *minfo = source;
+	isc_region_t region;
+
+	REQUIRE(type == dns_rdatatype_minfo);
+	REQUIRE(minfo != NULL);
+	REQUIRE(minfo->common.rdtype == type);
+	REQUIRE(minfo->common.rdclass == rdclass);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+
+	dns_name_toregion(&minfo->rmailbox, &region);
+	RETERR(isc_buffer_copyregion(target, &region));
+	dns_name_toregion(&minfo->emailbox, &region);
+	return (isc_buffer_copyregion(target, &region));
+}
+
+static isc_result_t
+tostruct_minfo(ARGS_TOSTRUCT) {
+	dns_rdata_minfo_t *minfo = target;
+	isc_region_t region;
+	dns_name_t name;
+
+	REQUIRE(rdata->type == dns_rdatatype_minfo);
+	REQUIRE(minfo != NULL);
+	REQUIRE(rdata->length != 0);
+
+	minfo->common.rdclass = rdata->rdclass;
+	minfo->common.rdtype = rdata->type;
+	ISC_LINK_INIT(&minfo->common, link);
+
+	dns_name_init(&name, NULL);
+	dns_rdata_toregion(rdata, &region);
+	dns_name_fromregion(&name, &region);
+	dns_name_init(&minfo->rmailbox, NULL);
+	name_duporclone(&name, mctx, &minfo->rmailbox);
+	isc_region_consume(&region, name_length(&name));
+
+	dns_name_fromregion(&name, &region);
+	dns_name_init(&minfo->emailbox, NULL);
+	name_duporclone(&name, mctx, &minfo->emailbox);
+	minfo->mctx = mctx;
+	return (ISC_R_SUCCESS);
+}
+
+static void
+freestruct_minfo(ARGS_FREESTRUCT) {
+	dns_rdata_minfo_t *minfo = source;
+
+	REQUIRE(minfo != NULL);
+	REQUIRE(minfo->common.rdtype == dns_rdatatype_minfo);
+
+	if (minfo->mctx == NULL) {
+		return;
+	}
+
+	dns_name_free(&minfo->rmailbox, minfo->mctx);
+	dns_name_free(&minfo->emailbox, minfo->mctx);
+	minfo->mctx = NULL;
+}
+
+static isc_result_t
+additionaldata_minfo(ARGS_ADDLDATA) {
+	REQUIRE(rdata->type == dns_rdatatype_minfo);
+
+	UNUSED(rdata);
+	UNUSED(owner);
+	UNUSED(add);
+	UNUSED(arg);
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+digest_minfo(ARGS_DIGEST) {
+	isc_region_t r;
+	dns_name_t name;
+	isc_result_t result;
+
+	REQUIRE(rdata->type == dns_rdatatype_minfo);
+
+	dns_rdata_toregion(rdata, &r);
+	dns_name_init(&name, NULL);
+	dns_name_fromregion(&name, &r);
+	result = dns_name_digest(&name, digest, arg);
+	if (result != ISC_R_SUCCESS) {
+		return (result);
+	}
+	isc_region_consume(&r, name_length(&name));
+	dns_name_init(&name, NULL);
+	dns_name_fromregion(&name, &r);
+
+	return (dns_name_digest(&name, digest, arg));
+}
+
+static bool
+checkowner_minfo(ARGS_CHECKOWNER) {
+	REQUIRE(type == dns_rdatatype_minfo);
+
+	UNUSED(name);
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(wildcard);
+
+	return (true);
+}
+
+static bool
+checknames_minfo(ARGS_CHECKNAMES) {
+	isc_region_t region;
+	dns_name_t name;
+
+	REQUIRE(rdata->type == dns_rdatatype_minfo);
+
+	UNUSED(owner);
+
+	dns_rdata_toregion(rdata, &region);
+	dns_name_init(&name, NULL);
+	dns_name_fromregion(&name, &region);
+	if (!dns_name_ismailbox(&name)) {
+		if (bad != NULL) {
+			dns_name_clone(&name, bad);
+		}
+		return (false);
+	}
+	isc_region_consume(&region, name_length(&name));
+	dns_name_fromregion(&name, &region);
+	if (!dns_name_ismailbox(&name)) {
+		if (bad != NULL) {
+			dns_name_clone(&name, bad);
+		}
+		return (false);
+	}
+	return (true);
+}
+
+static int
+casecompare_minfo(ARGS_COMPARE) {
+	return (compare_minfo(rdata1, rdata2));
+}
+
+#endif /* RDATA_GENERIC_MINFO_14_C */