[9.18] new: usr: Support for parsing HHIT and BRID records has been added

Closes #5444

Backport of MR !10795

Merge branch 'backport-5444-add-hhit-and-brid-records-9.18' into 'bind-9.18'

See merge request isc-projects/bind9!10933

bin/tests/system/doth/example.axfr.good

@@ -2524,6 +2524,7 @@ biganswer.example.	3600	IN	A	10.10.50.47
 biganswer.example.	3600	IN	A	10.10.50.48
 biganswer.example.	3600	IN	A	10.10.50.49
 biganswer.example.	3600	IN	A	10.10.50.50
+brid.example.		3600	IN	BRID	abcd
 caa01.example.		3600	IN	CAA	0 issue "ca.example.net; policy=ev"
 caa02.example.		3600	IN	CAA	128 tbs "Unknown"
 caa03.example.		3600	IN	CAA	128 tbs ""
@@ -2555,6 +2556,7 @@ eui64.example.		3600	IN	EUI64	01-23-45-67-89-ab-cd-ef
 gid01.example.		3600	IN	GID	\# 1 03
 gpos01.example.		3600	IN	GPOS	"-22.6882" "116.8652" "250.0"
 gpos02.example.		3600	IN	GPOS	"" "" ""
+hhit.example.		3600	IN	HHIT	abcd
 hinfo01.example.	3600	IN	HINFO	"Generic PC clone" "NetBSD-1.4"
 hinfo02.example.	3600	IN	HINFO	"PC" "NetBSD"
 hip1.example.		3600	IN	HIP	2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D

bin/tests/system/doth/example8.axfr.good

@@ -2524,6 +2524,7 @@ biganswer.example8.	3600	IN	A	10.10.50.47
 biganswer.example8.	3600	IN	A	10.10.50.48
 biganswer.example8.	3600	IN	A	10.10.50.49
 biganswer.example8.	3600	IN	A	10.10.50.50
+brid.example8.		3600	IN	BRID	abcd
 caa01.example8.		3600	IN	CAA	0 issue "ca.example.net; policy=ev"
 caa02.example8.		3600	IN	CAA	128 tbs "Unknown"
 caa03.example8.		3600	IN	CAA	128 tbs ""
@@ -2555,6 +2556,7 @@ eui64.example8.		3600	IN	EUI64	01-23-45-67-89-ab-cd-ef
 gid01.example8.		3600	IN	GID	\# 1 03
 gpos01.example8.	3600	IN	GPOS	"-22.6882" "116.8652" "250.0"
 gpos02.example8.	3600	IN	GPOS	"" "" ""
+hhit.example8.		3600	IN	HHIT	abcd
 hinfo01.example8.	3600	IN	HINFO	"Generic PC clone" "NetBSD-1.4"
 hinfo02.example8.	3600	IN	HINFO	"PC" "NetBSD"
 hip1.example8.		3600	IN	HIP	2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D

bin/tests/system/genzone.sh

@@ -392,7 +392,13 @@ https1			HTTPS	1 . port=60
 ; type 66
 dsync01			DSYNC	CDS NOTIFY 53 .
 
-; type 68 -- 98 (unassigned)
+; type 67
+hhit			HHIT	abcd
+
+; type 68
+brid			BRID	abcd
+
+; type 69 -- 98 (unassigned)
 
 ; type 99
 spf01			SPF	"v=spf1 -all"

bin/tests/system/rrchecker/tests_rrchecker.py

@@ -37,6 +37,7 @@ pytestmark = pytest.mark.extra_artifacts(
                 "APL",
                 "ATMA",
                 "AVC",
+                "BRID",
                 "CAA",
                 "CDNSKEY",
                 "CDS",
@@ -55,6 +56,7 @@ pytestmark = pytest.mark.extra_artifacts(
                 "EUI64",
                 "GID",
                 "GPOS",
+                "HHIT",
                 "HINFO",
                 "HIP",
                 "HTTPS",

bin/tests/system/xfer/dig1.good

@@ -25,6 +25,7 @@ atma02.example.		3600	IN	ATMA	+61200000000
 atma03.example.		3600	IN	ATMA	1234567890abcdef
 atma04.example.		3600	IN	ATMA	fedcba0987654321
 avc.example.		3600	IN	AVC	"foo:bar"
+brid.example.		3600	IN	BRID	abcd
 caa01.example.		3600	IN	CAA	0 issue "ca.example.net; policy=ev"
 caa02.example.		3600	IN	CAA	128 tbs "Unknown"
 caa03.example.		3600	IN	CAA	128 tbs ""
@@ -56,6 +57,7 @@ eui64.example.		3600	IN	EUI64	01-23-45-67-89-ab-cd-ef
 gid01.example.		3600	IN	GID	\# 1 03
 gpos01.example.		3600	IN	GPOS	"-22.6882" "116.8652" "250.0"
 gpos02.example.		3600	IN	GPOS	"" "" ""
+hhit.example.		3600	IN	HHIT	abcd
 hinfo01.example.	3600	IN	HINFO	"Generic PC clone" "NetBSD-1.4"
 hinfo02.example.	3600	IN	HINFO	"PC" "NetBSD"
 hip1.example.		3600	IN	HIP	2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D

bin/tests/system/xfer/dig2.good

@@ -25,6 +25,7 @@ atma02.example.		3600	IN	ATMA	+61200000000
 atma03.example.		3600	IN	ATMA	1234567890abcdef
 atma04.example.		3600	IN	ATMA	fedcba0987654321
 avc.example.		3600	IN	AVC	"foo:bar"
+brid.example.		3600	IN	BRID	abcd
 caa01.example.		3600	IN	CAA	0 issue "ca.example.net; policy=ev"
 caa02.example.		3600	IN	CAA	128 tbs "Unknown"
 caa03.example.		3600	IN	CAA	128 tbs ""
@@ -56,6 +57,7 @@ eui64.example.		3600	IN	EUI64	01-23-45-67-89-ab-cd-ef
 gid01.example.		3600	IN	GID	\# 1 03
 gpos01.example.		3600	IN	GPOS	"-22.6882" "116.8652" "250.0"
 gpos02.example.		3600	IN	GPOS	"" "" ""
+hhit.example.		3600	IN	HHIT	abcd
 hinfo01.example.	3600	IN	HINFO	"Generic PC clone" "NetBSD-1.4"
 hinfo02.example.	3600	IN	HINFO	"PC" "NetBSD"
 hip1.example.		3600	IN	HIP	2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D

lib/dns/rdata/generic/brid_68.c

@@ -0,0 +1,214 @@
+/*
+ * 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_BRID_68_C
+#define RDATA_GENERIC_BRID_68_C
+
+#include <dst/dst.h>
+
+#define RRTYPE_BRID_ATTRIBUTES (0)
+
+static isc_result_t
+fromtext_brid(ARGS_FROMTEXT) {
+	REQUIRE(type == dns_rdatatype_brid);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(origin);
+	UNUSED(options);
+	UNUSED(callbacks);
+
+	return isc_base64_tobuffer(lexer, target, -1);
+}
+
+static isc_result_t
+totext_brid(ARGS_TOTEXT) {
+	isc_region_t sr;
+
+	REQUIRE(rdata->type == dns_rdatatype_brid);
+	REQUIRE(rdata->length > 0);
+
+	dns_rdata_toregion(rdata, &sr);
+
+	/* data */
+	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_brid(ARGS_FROMWIRE) {
+	isc_region_t sr;
+
+	REQUIRE(type == dns_rdatatype_brid);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(options);
+	UNUSED(dctx);
+
+	isc_buffer_activeregion(source, &sr);
+	if (sr.length == 0) {
+		return ISC_R_UNEXPECTEDEND;
+	}
+
+	RETERR(mem_tobuffer(target, sr.base, sr.length));
+	isc_buffer_forward(source, sr.length);
+	return ISC_R_SUCCESS;
+}
+
+static isc_result_t
+towire_brid(ARGS_TOWIRE) {
+	REQUIRE(rdata->type == dns_rdatatype_brid);
+	REQUIRE(rdata->length >= 3);
+
+	UNUSED(cctx);
+
+	return mem_tobuffer(target, rdata->data, rdata->length);
+}
+
+static int
+compare_brid(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_brid);
+	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_brid(ARGS_FROMSTRUCT) {
+	dns_rdata_brid_t *brid = source;
+
+	REQUIRE(type == dns_rdatatype_brid);
+	REQUIRE(brid != NULL);
+	REQUIRE(brid->common.rdtype == type);
+	REQUIRE(brid->common.rdclass == rdclass);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+
+	/* Data */
+	return mem_tobuffer(target, brid->data, brid->datalen);
+}
+
+static isc_result_t
+tostruct_brid(ARGS_TOSTRUCT) {
+	dns_rdata_brid_t *brid = target;
+	isc_region_t sr;
+
+	REQUIRE(rdata->type == dns_rdatatype_brid);
+	REQUIRE(brid != NULL);
+	REQUIRE(rdata->length > 0);
+
+	DNS_RDATACOMMON_INIT(brid, rdata->type, rdata->rdclass);
+
+	dns_rdata_toregion(rdata, &sr);
+
+	/* Data */
+	brid->datalen = sr.length;
+	brid->data = mem_maybedup(mctx, sr.base, brid->datalen);
+	brid->mctx = mctx;
+	return ISC_R_SUCCESS;
+}
+
+static void
+freestruct_brid(ARGS_FREESTRUCT) {
+	dns_rdata_brid_t *brid = (dns_rdata_brid_t *)source;
+
+	REQUIRE(brid != NULL);
+	REQUIRE(brid->common.rdtype == dns_rdatatype_brid);
+
+	if (brid->mctx == NULL) {
+		return;
+	}
+
+	if (brid->data != NULL) {
+		isc_mem_free(brid->mctx, brid->data);
+	}
+	brid->mctx = NULL;
+}
+
+static isc_result_t
+additionaldata_brid(ARGS_ADDLDATA) {
+	REQUIRE(rdata->type == dns_rdatatype_brid);
+
+	UNUSED(rdata);
+	UNUSED(owner);
+	UNUSED(add);
+	UNUSED(arg);
+
+	return ISC_R_SUCCESS;
+}
+
+static isc_result_t
+digest_brid(ARGS_DIGEST) {
+	isc_region_t r;
+
+	REQUIRE(rdata->type == dns_rdatatype_brid);
+
+	dns_rdata_toregion(rdata, &r);
+
+	return (digest)(arg, &r);
+}
+
+static bool
+checkowner_brid(ARGS_CHECKOWNER) {
+	REQUIRE(type == dns_rdatatype_brid);
+
+	UNUSED(name);
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(wildcard);
+
+	return true;
+}
+
+static bool
+checknames_brid(ARGS_CHECKNAMES) {
+	REQUIRE(rdata->type == dns_rdatatype_brid);
+
+	UNUSED(rdata);
+	UNUSED(owner);
+	UNUSED(bad);
+
+	return true;
+}
+
+static int
+casecompare_brid(ARGS_COMPARE) {
+	return compare_brid(rdata1, rdata2);
+}
+#endif /* RDATA_GENERIC_BRID_68_C */

lib/dns/rdata/generic/brid_68.h

@@ -0,0 +1,21 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+typedef struct dns_rdata_brid_t {
+	dns_rdatacommon_t common;
+	isc_mem_t *mctx;
+	uint16_t datalen;
+	unsigned char *data;
+} dns_rdata_brid_t;

lib/dns/rdata/generic/hhit_67.c

@@ -0,0 +1,214 @@
+/*
+ * 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_HHIT_67_C
+#define RDATA_GENERIC_HHIT_67_C
+
+#include <dst/dst.h>
+
+#define RRTYPE_HHIT_ATTRIBUTES (0)
+
+static isc_result_t
+fromtext_hhit(ARGS_FROMTEXT) {
+	REQUIRE(type == dns_rdatatype_hhit);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(origin);
+	UNUSED(options);
+	UNUSED(callbacks);
+
+	return isc_base64_tobuffer(lexer, target, -1);
+}
+
+static isc_result_t
+totext_hhit(ARGS_TOTEXT) {
+	isc_region_t sr;
+
+	REQUIRE(rdata->type == dns_rdatatype_hhit);
+	REQUIRE(rdata->length > 0);
+
+	dns_rdata_toregion(rdata, &sr);
+
+	/* data */
+	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_hhit(ARGS_FROMWIRE) {
+	isc_region_t sr;
+
+	REQUIRE(type == dns_rdatatype_hhit);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(options);
+	UNUSED(dctx);
+
+	isc_buffer_activeregion(source, &sr);
+	if (sr.length == 0) {
+		return ISC_R_UNEXPECTEDEND;
+	}
+
+	RETERR(mem_tobuffer(target, sr.base, sr.length));
+	isc_buffer_forward(source, sr.length);
+	return ISC_R_SUCCESS;
+}
+
+static isc_result_t
+towire_hhit(ARGS_TOWIRE) {
+	REQUIRE(rdata->type == dns_rdatatype_hhit);
+	REQUIRE(rdata->length >= 3);
+
+	UNUSED(cctx);
+
+	return mem_tobuffer(target, rdata->data, rdata->length);
+}
+
+static int
+compare_hhit(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_hhit);
+	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_hhit(ARGS_FROMSTRUCT) {
+	dns_rdata_hhit_t *hhit = source;
+
+	REQUIRE(type == dns_rdatatype_hhit);
+	REQUIRE(hhit != NULL);
+	REQUIRE(hhit->common.rdtype == type);
+	REQUIRE(hhit->common.rdclass == rdclass);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+
+	/* Data */
+	return mem_tobuffer(target, hhit->data, hhit->datalen);
+}
+
+static isc_result_t
+tostruct_hhit(ARGS_TOSTRUCT) {
+	dns_rdata_hhit_t *hhit = target;
+	isc_region_t sr;
+
+	REQUIRE(rdata->type == dns_rdatatype_hhit);
+	REQUIRE(hhit != NULL);
+	REQUIRE(rdata->length > 0);
+
+	DNS_RDATACOMMON_INIT(hhit, rdata->type, rdata->rdclass);
+
+	dns_rdata_toregion(rdata, &sr);
+
+	/* Data */
+	hhit->datalen = sr.length;
+	hhit->data = mem_maybedup(mctx, sr.base, hhit->datalen);
+	hhit->mctx = mctx;
+	return ISC_R_SUCCESS;
+}
+
+static void
+freestruct_hhit(ARGS_FREESTRUCT) {
+	dns_rdata_hhit_t *hhit = (dns_rdata_hhit_t *)source;
+
+	REQUIRE(hhit != NULL);
+	REQUIRE(hhit->common.rdtype == dns_rdatatype_hhit);
+
+	if (hhit->mctx == NULL) {
+		return;
+	}
+
+	if (hhit->data != NULL) {
+		isc_mem_free(hhit->mctx, hhit->data);
+	}
+	hhit->mctx = NULL;
+}
+
+static isc_result_t
+additionaldata_hhit(ARGS_ADDLDATA) {
+	REQUIRE(rdata->type == dns_rdatatype_hhit);
+
+	UNUSED(rdata);
+	UNUSED(owner);
+	UNUSED(add);
+	UNUSED(arg);
+
+	return ISC_R_SUCCESS;
+}
+
+static isc_result_t
+digest_hhit(ARGS_DIGEST) {
+	isc_region_t r;
+
+	REQUIRE(rdata->type == dns_rdatatype_hhit);
+
+	dns_rdata_toregion(rdata, &r);
+
+	return (digest)(arg, &r);
+}
+
+static bool
+checkowner_hhit(ARGS_CHECKOWNER) {
+	REQUIRE(type == dns_rdatatype_hhit);
+
+	UNUSED(name);
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(wildcard);
+
+	return true;
+}
+
+static bool
+checknames_hhit(ARGS_CHECKNAMES) {
+	REQUIRE(rdata->type == dns_rdatatype_hhit);
+
+	UNUSED(rdata);
+	UNUSED(owner);
+	UNUSED(bad);
+
+	return true;
+}
+
+static int
+casecompare_hhit(ARGS_COMPARE) {
+	return compare_hhit(rdata1, rdata2);
+}
+#endif /* RDATA_GENERIC_HHIT_67_C */

lib/dns/rdata/generic/hhit_67.h

@@ -0,0 +1,21 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+typedef struct dns_rdata_hhit_t {
+	dns_rdatacommon_t common;
+	isc_mem_t *mctx;
+	uint16_t datalen;
+	unsigned char *data;
+} dns_rdata_hhit_t;

tests/dns/rdata_test.c

@@ -1099,6 +1099,24 @@ ISC_RUN_TEST_IMPL(amtrelay) {
 		    dns_rdatatype_amtrelay, sizeof(dns_rdata_amtrelay_t));
 }
 
+/* BRIB RDATA - base64 encoded opaque */
+ISC_RUN_TEST_IMPL(brib) {
+	text_ok_t text_ok[] = { /* empty  */
+				TEXT_INVALID(""),
+				/* valid base64 string */
+				TEXT_VALID("aaaa"),
+				/* invalid base64 string */
+				TEXT_INVALID("aaaaa"),
+				/*
+				 * Sentinel.
+				 */
+				TEXT_SENTINEL()
+	};
+
+	check_rdata(text_ok, NULL, NULL, true, dns_rdataclass_in,
+		    dns_rdatatype_brid, sizeof(dns_rdata_brid_t));
+}
+
 ISC_RUN_TEST_IMPL(cdnskey) {
 	key_required(state, dns_rdatatype_cdnskey, sizeof(dns_rdata_cdnskey_t));
 }
@@ -2035,6 +2053,24 @@ ISC_RUN_TEST_IMPL(hip) {
 		      sizeof(dns_rdata_hip_t));
 }
 
+/* HHIT RDATA - base64 encoded opaque */
+ISC_RUN_TEST_IMPL(hhit) {
+	text_ok_t text_ok[] = { /* empty  */
+				TEXT_INVALID(""),
+				/* valid base64 string */
+				TEXT_VALID("aaaa"),
+				/* invalid base64 string */
+				TEXT_INVALID("aaaaa"),
+				/*
+				 * Sentinel.
+				 */
+				TEXT_SENTINEL()
+	};
+
+	check_rdata(text_ok, NULL, NULL, true, dns_rdataclass_in,
+		    dns_rdatatype_hhit, sizeof(dns_rdata_hhit_t));
+}
+
 /*
  * ISDN tests.
  *