Add support for ATMRELAY

bin/tests/system/genzone.sh

@@ -455,7 +455,15 @@ doa01			DOA	( 1234567890 1234567890 1 "image/gif"
 				  hmsBich1awPAjkY1SZR8bJWrz382SGqIBQQFQd4IsUTaX+ceuudPEQA7 )
 doa02			DOA	0 1 2 "" aHR0cHM6Ly93d3cuaXNjLm9yZy8=
 
-; type 260 -- 32767 (unassigned)
+; type 260
+atmrelay01		ATMRELAY 0 0 0
+atmrelay02		ATMRELAY 0 1 0
+atmrelay03		ATMRELAY 0 0 1 0.0.0.0
+atmrelay04		ATMRELAY 0 0 2 ::
+atmrelay05		ATMRELAY 0 0 3 example.net.
+atmrelay06		ATMRELAY \# 2 0004
+
+; type 261 -- 32767 (unassigned)
 
 ; type 32768
 ta			TA	30795 1 1 (

bin/tests/system/rrchecker/typelist.good

@@ -73,5 +73,6 @@ URI
 CAA
 AVC
 DOA
+ATMRELAY
 TA
 DLV

bin/tests/system/xfer/dig1.good

@@ -17,6 +17,12 @@ atma01.example.		3600	IN	ATMA	+61200000000
 atma02.example.		3600	IN	ATMA	+61200000000
 atma03.example.		3600	IN	ATMA	1234567890abcdef
 atma04.example.		3600	IN	ATMA	fedcba0987654321
+atmrelay01.example.	3600	IN	ATMRELAY 0 0 0
+atmrelay02.example.	3600	IN	ATMRELAY 0 1 0
+atmrelay03.example.	3600	IN	ATMRELAY 0 0 1 0.0.0.0
+atmrelay04.example.	3600	IN	ATMRELAY 0 0 2 ::
+atmrelay05.example.	3600	IN	ATMRELAY 0 0 3 example.net.
+atmrelay06.example.	3600	IN	ATMRELAY \# 2 0004
 avc.example.		3600	IN	AVC	"foo:bar"
 caa01.example.		3600	IN	CAA	0 issue "ca.example.net; policy=ev"
 caa02.example.		3600	IN	CAA	128 tbs "Unknown"

bin/tests/system/xfer/dig2.good

@@ -17,6 +17,12 @@ atma01.example.		3600	IN	ATMA	+61200000000
 atma02.example.		3600	IN	ATMA	+61200000000
 atma03.example.		3600	IN	ATMA	1234567890abcdef
 atma04.example.		3600	IN	ATMA	fedcba0987654321
+atmrelay01.example.	3600	IN	ATMRELAY 0 0 0
+atmrelay02.example.	3600	IN	ATMRELAY 0 1 0
+atmrelay03.example.	3600	IN	ATMRELAY 0 0 1 0.0.0.1
+atmrelay04.example.	3600	IN	ATMRELAY 0 0 2 ::
+atmrelay05.example.	3600	IN	ATMRELAY 0 0 3 example.net.
+atmrelay06.example.	3600	IN	ATMRELAY \# 2 0004
 avc.example.		3600	IN	AVC	"foo:bar"
 caa01.example.		3600	IN	CAA	0 issue "ca.example.net; policy=ev"
 caa02.example.		3600	IN	CAA	128 tbs "Unknown"

lib/dns/rdata/generic/atmrelay_260.c

+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * 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 http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+
+#ifndef RDATA_GENERIC_ATMRELAY_260_C
+#define RDATA_GENERIC_ATMRELAY_260_C
+
+#include <string.h>
+
+#include <isc/net.h>
+
+#define RRTYPE_ATMRELAY_ATTRIBUTES (0)
+
+static inline isc_result_t
+fromtext_atmrelay(ARGS_FROMTEXT) {
+	isc_token_t token;
+	dns_name_t name;
+	isc_buffer_t buffer;
+	unsigned int discovery;
+	unsigned int gateway;
+	struct in_addr addr;
+	unsigned char addr6[16];
+	isc_region_t region;
+
+	REQUIRE(type == dns_rdatatype_atmrelay);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(callbacks);
+
+	/*
+	 * Precedence.
+	 */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
+				      false));
+	if (token.value.as_ulong > 0xffU) {
+		RETTOK(ISC_R_RANGE);
+	}
+	RETERR(uint8_tobuffer(token.value.as_ulong, target));
+
+	/*
+	 * Discovery.
+	 */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
+				      false));
+	if (token.value.as_ulong > 1U) {
+		RETTOK(ISC_R_RANGE);
+	}
+	discovery = token.value.as_ulong;
+
+	/*
+	 * Gateway type.
+	 */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
+				      false));
+	if (token.value.as_ulong > 0x7fU)
+		RETTOK(ISC_R_RANGE);
+	RETERR(uint8_tobuffer(token.value.as_ulong | (discovery << 7), target));
+	gateway = token.value.as_ulong;
+
+	if (gateway == 0) {
+		return (ISC_R_SUCCESS);
+	}
+
+	if (gateway > 3) {
+		return (ISC_R_NOTIMPLEMENTED);
+	}
+
+	/*
+	 * Gateway.
+	 */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+				      false));
+
+	switch (gateway) {
+	case 1:
+		if (inet_pton(AF_INET, DNS_AS_STR(token), &addr) != 1) {
+			RETTOK(DNS_R_BADDOTTEDQUAD);
+		}
+		isc_buffer_availableregion(target, &region);
+		if (region.length < 4) {
+			return (ISC_R_NOSPACE);
+		}
+		memmove(region.base, &addr, 4);
+		isc_buffer_add(target, 4);
+		return (ISC_R_SUCCESS);
+
+	case 2:
+		if (inet_pton(AF_INET6, DNS_AS_STR(token), addr6) != 1) {
+			RETTOK(DNS_R_BADAAAA);
+		}
+		isc_buffer_availableregion(target, &region);
+		if (region.length < 16) {
+			return (ISC_R_NOSPACE);
+		}
+		memmove(region.base, addr6, 16);
+		isc_buffer_add(target, 16);
+		return (ISC_R_SUCCESS);
+
+	case 3:
+		dns_name_init(&name, NULL);
+		buffer_fromregion(&buffer, &token.value.as_region);
+		if (origin == NULL) {
+			origin = dns_rootname;
+		}
+		return (dns_name_fromtext(&name, &buffer, origin, options,
+					  target));
+	default:
+		INSIST(0);
+		ISC_UNREACHABLE();
+	}
+}
+
+static inline isc_result_t
+totext_atmrelay(ARGS_TOTEXT) {
+	isc_region_t region;
+	dns_name_t name;
+	char buf[sizeof("0 255 ")];
+	unsigned char precedence;
+	unsigned char discovery;
+	unsigned char gateway;
+	const char *space;
+
+	UNUSED(tctx);
+
+	REQUIRE(rdata->type == dns_rdatatype_atmrelay);
+	REQUIRE(rdata->length >= 2);
+
+	if ((rdata->data[1] & 0x7f) > 3U)
+		return (ISC_R_NOTIMPLEMENTED);
+
+	/*
+	 * Precedence.
+	 */
+	dns_rdata_toregion(rdata, &region);
+	precedence = uint8_fromregion(&region);
+	isc_region_consume(&region, 1);
+	snprintf(buf, sizeof(buf), "%u ", precedence);
+	RETERR(str_totext(buf, target));
+
+	/*
+	 * Discovery and Gateway type.
+	 */
+	gateway = uint8_fromregion(&region);
+	discovery = gateway >> 7;
+	gateway &= 0x7f;
+	space = (gateway != 0U) ? " " : "";
+	isc_region_consume(&region, 1);
+	snprintf(buf, sizeof(buf), "%u %u%s", discovery, gateway, space);
+	RETERR(str_totext(buf, target));
+
+	/*
+	 * Gateway.
+	 */
+	switch (gateway) {
+	case 0:
+		break;
+	case 1:
+		return (inet_totext(AF_INET, &region, target));
+
+	case 2:
+		return (inet_totext(AF_INET6, &region, target));
+
+	case 3:
+		dns_name_init(&name, NULL);
+		dns_name_fromregion(&name, &region);
+		return (dns_name_totext(&name, false, target));
+
+	default:
+		INSIST(0);
+		ISC_UNREACHABLE();
+	}
+	return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+fromwire_atmrelay(ARGS_FROMWIRE) {
+	dns_name_t name;
+	isc_region_t region;
+
+	REQUIRE(type == dns_rdatatype_atmrelay);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+
+	dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
+
+	isc_buffer_activeregion(source, &region);
+	if (region.length < 2)
+		return (ISC_R_UNEXPECTEDEND);
+
+	switch (region.base[1] & 0x7f) {
+	case 0:
+		if (region.length != 2) {
+			return (DNS_R_FORMERR);
+		}
+		isc_buffer_forward(source, region.length);
+		return (mem_tobuffer(target, region.base, region.length));
+
+	case 1:
+		if (region.length != 6) {
+			return (DNS_R_FORMERR);
+		}
+		isc_buffer_forward(source, region.length);
+		return (mem_tobuffer(target, region.base, region.length));
+
+	case 2:
+		if (region.length != 18) {
+			return (DNS_R_FORMERR);
+		}
+		isc_buffer_forward(source, region.length);
+		return (mem_tobuffer(target, region.base, region.length));
+
+	case 3:
+		RETERR(mem_tobuffer(target, region.base, 2));
+		isc_buffer_forward(source, 2);
+		dns_name_init(&name, NULL);
+		return (dns_name_fromwire(&name, source, dctx, options,
+					  target));
+
+	default:
+		isc_buffer_forward(source, region.length);
+		return (mem_tobuffer(target, region.base, region.length));
+	}
+}
+
+static inline isc_result_t
+towire_atmrelay(ARGS_TOWIRE) {
+	isc_region_t region;
+
+	REQUIRE(rdata->type == dns_rdatatype_atmrelay);
+	REQUIRE(rdata->length != 0);
+
+	UNUSED(cctx);
+
+	dns_rdata_toregion(rdata, &region);
+	return (mem_tobuffer(target, region.base, region.length));
+}
+
+static inline int
+compare_atmrelay(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_atmrelay);
+	REQUIRE(rdata1->length >= 2);
+	REQUIRE(rdata2->length >= 2);
+
+	dns_rdata_toregion(rdata1, &region1);
+	dns_rdata_toregion(rdata2, &region2);
+
+	return (isc_region_compare(&region1, &region2));
+}
+
+static inline isc_result_t
+fromstruct_atmrelay(ARGS_FROMSTRUCT) {
+	dns_rdata_atmrelay_t *atmrelay = source;
+	isc_region_t region;
+	uint32_t n;
+
+	REQUIRE(type == dns_rdatatype_atmrelay);
+	REQUIRE(source != NULL);
+	REQUIRE(atmrelay->common.rdtype == type);
+	REQUIRE(atmrelay->common.rdclass == rdclass);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+
+	RETERR(uint8_tobuffer(atmrelay->precedence, target));
+	n = (atmrelay->discovery ? 0x80 : 0) | atmrelay->gateway_type;
+	RETERR(uint8_tobuffer(n, target));
+
+	switch  (atmrelay->gateway_type) {
+	case 0:
+		return (ISC_R_SUCCESS);
+
+	case 1:
+		n = ntohl(atmrelay->in_addr.s_addr);
+		return (uint32_tobuffer(n, target));
+
+	case 2:
+		return (mem_tobuffer(target, atmrelay->in6_addr.s6_addr, 16));
+		break;
+
+	case 3:
+		dns_name_toregion(&atmrelay->gateway, &region);
+		return (isc_buffer_copyregion(target, &region));
+		break;
+
+	default:
+		return (mem_tobuffer(target, atmrelay->data, atmrelay->length));
+	}
+}
+
+static inline isc_result_t
+tostruct_atmrelay(ARGS_TOSTRUCT) {
+	isc_region_t region;
+	dns_rdata_atmrelay_t *atmrelay = target;
+	dns_name_t name;
+	uint32_t n;
+
+	REQUIRE(rdata->type == dns_rdatatype_atmrelay);
+	REQUIRE(target != NULL);
+	REQUIRE(rdata->length >= 2);
+
+	atmrelay->common.rdclass = rdata->rdclass;
+	atmrelay->common.rdtype = rdata->type;
+	ISC_LINK_INIT(&atmrelay->common, link);
+
+	dns_name_init(&atmrelay->gateway, NULL);
+	atmrelay->data = NULL;
+
+	dns_name_init(&name, NULL);
+	dns_rdata_toregion(rdata, &region);
+
+	atmrelay->precedence = uint8_fromregion(&region);
+	isc_region_consume(&region, 1);
+
+	atmrelay->gateway_type = uint8_fromregion(&region);
+	atmrelay->discovery = (atmrelay->gateway_type & 0x80) != 0;
+	atmrelay->gateway_type &= 0x7f;
+	isc_region_consume(&region, 1);
+
+	switch (atmrelay->gateway_type) {
+	case 0:
+		break;
+
+	case 1:
+		n = uint32_fromregion(&region);
+		atmrelay->in_addr.s_addr = htonl(n);
+		isc_region_consume(&region, 4);
+		break;
+
+	case 2:
+		memmove(atmrelay->in6_addr.s6_addr, region.base, 16);
+		isc_region_consume(&region, 16);
+		break;
+
+	case 3:
+		dns_name_fromregion(&name, &region);
+		RETERR(name_duporclone(&name, mctx, &atmrelay->gateway));
+		isc_region_consume(&region, name_length(&name));
+		break;
+
+	default:
+		if (region.length != 0) {
+			atmrelay->data = mem_maybedup(mctx, region.base,
+						      region.length);
+			if (atmrelay->data == NULL) {
+				return (ISC_R_NOMEMORY);
+			}
+		}
+		atmrelay->length = region.length;
+	}
+	atmrelay->mctx = mctx;
+	return (ISC_R_SUCCESS);
+}
+
+static inline void
+freestruct_atmrelay(ARGS_FREESTRUCT) {
+	dns_rdata_atmrelay_t *atmrelay = source;
+
+	REQUIRE(source != NULL);
+	REQUIRE(atmrelay->common.rdtype == dns_rdatatype_atmrelay);
+
+	if (atmrelay->mctx == NULL)
+		return;
+
+	if (atmrelay->gateway_type == 3)
+		dns_name_free(&atmrelay->gateway, atmrelay->mctx);
+
+	if (atmrelay->data != NULL)
+		isc_mem_free(atmrelay->mctx, atmrelay->data);
+
+	atmrelay->mctx = NULL;
+}
+
+static inline isc_result_t
+additionaldata_atmrelay(ARGS_ADDLDATA) {
+
+	REQUIRE(rdata->type == dns_rdatatype_atmrelay);
+
+	UNUSED(rdata);
+	UNUSED(add);
+	UNUSED(arg);
+
+	return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+digest_atmrelay(ARGS_DIGEST) {
+	isc_region_t region;
+
+	REQUIRE(rdata->type == dns_rdatatype_atmrelay);
+
+	dns_rdata_toregion(rdata, &region);
+	return ((digest)(arg, &region));
+}
+
+static inline bool
+checkowner_atmrelay(ARGS_CHECKOWNER) {
+
+	REQUIRE(type == dns_rdatatype_atmrelay);
+
+	UNUSED(name);
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(wildcard);
+
+	return (true);
+}
+
+static inline bool
+checknames_atmrelay(ARGS_CHECKNAMES) {
+
+	REQUIRE(rdata->type == dns_rdatatype_atmrelay);
+
+	UNUSED(rdata);
+	UNUSED(owner);
+	UNUSED(bad);
+
+	return (true);
+}
+
+static inline int
+casecompare_atmrelay(ARGS_COMPARE) {
+	isc_region_t region1;
+	isc_region_t region2;
+	dns_name_t name1;
+	dns_name_t name2;
+
+	REQUIRE(rdata1->type == rdata2->type);
+	REQUIRE(rdata1->rdclass == rdata2->rdclass);
+	REQUIRE(rdata1->type == dns_rdatatype_atmrelay);
+	REQUIRE(rdata1->length >= 2);
+	REQUIRE(rdata2->length >= 2);
+
+	dns_rdata_toregion(rdata1, &region1);
+	dns_rdata_toregion(rdata2, &region2);
+
+	if (memcmp(region1.base, region2.base, 2) != 0 ||
+	    (region1.base[1] & 0x7f) != 3)
+		return (isc_region_compare(&region1, &region2));
+
+	dns_name_init(&name1, NULL);
+	dns_name_init(&name2, NULL);
+
+	isc_region_consume(&region1, 2);
+	isc_region_consume(&region2, 2);
+
+	dns_name_fromregion(&name1, &region1);
+	dns_name_fromregion(&name2, &region2);
+
+	return (dns_name_rdatacompare(&name1, &name2));
+}
+
+#endif	/* RDATA_GENERIC_ATMRELAY_260_C */

lib/dns/rdata/generic/atmrelay_260.h

+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * 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 http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+
+#ifndef GENERIC_ATMRELAY_260_H
+#define GENERIC_ATMRELAY_260_H 1
+
+typedef struct dns_rdata_atmrelay {
+	dns_rdatacommon_t	common;
+	isc_mem_t		*mctx;
+	uint8_t			precedence;
+	bool			discovery;
+	uint8_t			gateway_type;
+	struct in_addr		in_addr;	/* gateway type 1 */
+	struct in6_addr		in6_addr;	/* gateway type 2 */
+	dns_name_t		gateway;	/* gateway type 3 */
+	unsigned char		*data;		/* gateway type > 3 */
+	uint16_t		length;
+} dns_rdata_atmrelay_t;
+
+#endif /* GENERIC_ATMRELAY_260_H */

lib/dns/tests/rdata_test.c

@@ -563,6 +563,99 @@ atma(void **state) {
 		    dns_rdatatype_atma, sizeof(dns_rdata_in_atma_t));
 }
 
+/* ATMRELAY RDATA manipulations */
+static void
+atmrelay(void **state) {
+	text_ok_t text_ok[] = {
+		TEXT_INVALID(""),
+		TEXT_INVALID("0"),
+		TEXT_INVALID("0 0"),
+		/* gatway type 0 */
+		TEXT_VALID("0 0 0"),
+		TEXT_VALID("0 1 0"),
+		TEXT_INVALID("0 2 0"),		/* discovery out of range */
+		TEXT_VALID("255 1 0"),		/* max precendence */
+		TEXT_INVALID("256 1 0"),	/* precedence out of range */
+
+		/* IPv4 gateway */
+		TEXT_INVALID("0 0 1"),		/* no addresss */
+		TEXT_VALID("0 0 1 0.0.0.0"),
+		TEXT_INVALID("0 0 1 0.0.0.0 x"), /* extra */
+		TEXT_INVALID("0 0 1 0.0.0.0.0"), /* bad addresss */
+		TEXT_INVALID("0 0 1 ::"),	/* bad addresss */
+		TEXT_INVALID("0 0 1 ."),	/* bad addresss */
+
+		/* IPv6 gateway */
+		TEXT_INVALID("0 0 2"),		/* no addresss */
+		TEXT_VALID("0 0 2 ::"),
+		TEXT_INVALID("0 0 2 :: xx"),	/* extra */
+		TEXT_INVALID("0 0 2 0.0.0.0"),	/* bad addresss */
+		TEXT_INVALID("0 0 2 ."),	/* bad addresss */
+
+		/* hostname gateway */
+		TEXT_INVALID("0 0 3"),		/* no name */
+		/* IPv4 is a valid name */
+		TEXT_VALID_CHANGED("0 0 3 0.0.0.0", "0 0 3 0.0.0.0."),
+		/* IPv6 is a valid name */
+		TEXT_VALID_CHANGED("0 0 3 ::", "0 0 3 ::."),
+		TEXT_VALID_CHANGED("0 0 3 example", "0 0 3 example."),
+		TEXT_VALID("0 0 3 example."),
+		TEXT_INVALID("0 0 3 example. x"), /* extra */
+
+		/* unknown gateway */
+		TEXT_VALID("\\# 2 0004"),
+		TEXT_VALID("\\# 2 0084"),
+		TEXT_VALID("\\# 2 007F"),
+		TEXT_VALID("\\# 3 000400"),
+		TEXT_VALID("\\# 3 008400"),
+		TEXT_VALID("\\# 3 00FF00"),
+
+		/*
+		 * Sentinel.
+		 */
+		TEXT_SENTINEL()
+	};
+	wire_ok_t wire_ok[] = {
+		WIRE_INVALID(0x00),
+		WIRE_VALID(0x00, 0x00),
+		WIRE_VALID(0x00, 0x80),
+		WIRE_INVALID(0x00, 0x00, 0x00),
+		WIRE_INVALID(0x00, 0x80, 0x00),
+
+		WIRE_INVALID(0x00, 0x01),
+		WIRE_INVALID(0x00, 0x01, 0x00),
+		WIRE_INVALID(0x00, 0x01, 0x00, 0x00),
+		WIRE_INVALID(0x00, 0x01, 0x00, 0x00, 0x00),
+		WIRE_VALID(0x00, 0x01, 0x00, 0x00, 0x00, 0x00),
+		WIRE_INVALID(0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00),
+
+		WIRE_INVALID(0x00, 0x02),
+		WIRE_INVALID(0x00, 0x02, 0x00),
+		WIRE_VALID(0x00, 0x02, 0x00, 0x01, 0x02, 0x03, 0x04,
+			   0x05, 0x06, 0x07, 0x08, 0x09, 0x10, 0x11,
+			   0x12, 0x13, 0x14, 0x15),
+		WIRE_INVALID(0x00, 0x02, 0x00, 0x01, 0x02, 0x03, 0x04,
+			     0x05, 0x06, 0x07, 0x08, 0x09, 0x10, 0x11,
+			     0x12, 0x13, 0x14, 0x15, 0x16),
+
+		WIRE_INVALID(0x00, 0x03),
+		WIRE_VALID(0x00, 0x03, 0x00),
+		WIRE_INVALID(0x00, 0x03, 0x00, 0x00),	/* extra */
+
+		WIRE_VALID(0x00, 0x04),
+		WIRE_VALID(0x00, 0x04, 0x00),