tests-m32/nlattr_ifla_af_spec.c - platform/external/strace - Git at Google

 /*
  * IFLA_AF_SPEC netlink attribute decoding check.
  *
  * Copyright (c) 2018 The strace developers.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. The name of the author may not be used to endorse or promote products
  *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include "tests.h"

 #include <inttypes.h>
 #include <stdio.h>
 #include <stddef.h>
 #include "test_nlattr.h"

 #include <linux/if.h>
 #include <linux/if_arp.h>
 #ifdef HAVE_LINUX_IF_LINK_H
 # include <linux/if_link.h>
 #endif
 #include <linux/rtnetlink.h>

 #if !HAVE_DECL_IFLA_AF_SPEC
 enum { IFLA_AF_SPEC = 26 };
 #endif

 #define XLAT_MACROS_ONLY
 # include "xlat/rtnl_ifla_af_spec_inet_attrs.h"
 # include "xlat/rtnl_ifla_af_spec_inet6_attrs.h"
 #undef XLAT_MACROS_ONLY

 #ifndef HAVE_STRUCT_IFLA_CACHEINFO
 struct ifla_cacheinfo {
 	uint32_t max_reasm_len;
 	uint32_t tstamp;
 	uint32_t reachable_time;
 	uint32_t retrans_time;
 };
 #endif

 #define IFLA_ATTR IFLA_AF_SPEC
 #include "nlattr_ifla.h"

 #define AF_SPEC_FUNCS(family_)						\
 	static void							\
 	init_##family_##_msg(struct nlmsghdr *const nlh,		\
 			     const unsigned int msg_len)		\
 	{								\
 		init_ifinfomsg(nlh, msg_len);				\
 									\
 		struct nlattr *nla = NLMSG_ATTR(nlh, hdrlen);		\
 		nla += 1;						\
 		SET_STRUCT(struct nlattr, nla,				\
 			.nla_len = msg_len - NLMSG_SPACE(hdrlen)	\
 				  - NLA_HDRLEN,				\
 			.nla_type = family_,				\
 		);							\
 	}								\
 									\
 	static void							\
 	print_##family_##_msg(const unsigned int msg_len)		\
 	{								\
 		print_ifinfomsg(msg_len);				\
 		printf(", {{nla_len=%u, nla_type=" #family_ "}",	\
 		       msg_len - NLMSG_SPACE(hdrlen) - NLA_HDRLEN);	\
 	}								\
 	/* end of AF_SPEC_FUNCS definition */

 AF_SPEC_FUNCS(AF_INET)
 AF_SPEC_FUNCS(AF_INET6)

 static void
 print_arr_val(uint32_t *val, size_t idx, const char *idx_str)
 {
 	if (idx_str)
 		printf("[%s] = ", idx_str);
 	else
 		printf("[%zu] = ", idx);

 	printf("%d", *val);
 }

 static void
 print_arr_uval(uint64_t *val, size_t idx, const char *idx_str)
 {
 	if (idx_str)
 		printf("[%s] = ", idx_str);
 	else
 		printf("[%zu] = ", idx);

 	printf("%" PRIu64, *val);
 }

 static void
 print_inet_conf_val(uint32_t *val, size_t idx)
 {
 	static const char * const strs[] = {
 		"IPV4_DEVCONF_FORWARDING-1",
 		"IPV4_DEVCONF_MC_FORWARDING-1",
 	};

 	print_arr_val(val, idx, idx < ARRAY_SIZE(strs) ? strs[idx] : NULL);
 }


 static void
 print_inet6_conf_val(uint32_t *val, size_t idx)
 {
 	static const char * const strs[] = {
 		"DEVCONF_FORWARDING",
 		"DEVCONF_HOPLIMIT",
 	};

 	print_arr_val(val, idx, idx < ARRAY_SIZE(strs) ? strs[idx] : NULL);
 }

 static void
 print_inet6_stats_val(uint64_t *val, size_t idx)
 {
 	static const char * const strs[] = {
 		"IPSTATS_MIB_NUM",
 		"IPSTATS_MIB_INPKTS",
 	};

 	print_arr_uval(val, idx, idx < ARRAY_SIZE(strs) ? strs[idx] : NULL);
 }

 static void
 print_icmp6_stats_val(uint64_t *val, size_t idx)
 {
 	static const char * const strs[] = {
 		"ICMP6_MIB_NUM",
 		"ICMP6_MIB_INMSGS",
 		"ICMP6_MIB_INERRORS",
 		"ICMP6_MIB_OUTMSGS",
 		"ICMP6_MIB_OUTERRORS",
 		"ICMP6_MIB_CSUMERRORS",
 		"6 /* ICMP6_MIB_??? */",
 	};

 	print_arr_uval(val, idx, idx < ARRAY_SIZE(strs) ? strs[idx] : NULL);
 }

 int
 main(void)
 {
 	static const uint8_t unknown_msg[] = { 0xab, 0xac, 0xdb, 0xcd };

 	skip_if_unavailable("/proc/self/fd/");

 	const int fd = create_nl_socket(NETLINK_ROUTE);

 	const unsigned int hdrlen = sizeof(struct ifinfomsg);
 	void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen), 3 * NLA_HDRLEN + 256);

 	static char pattern[4096];
 	fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);


 	/* unknown AF_* */
 	TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
 				  init_ifinfomsg, print_ifinfomsg,
 				  AF_UNIX, pattern, unknown_msg,
 				  printf("\"\\xab\\xac\\xdb\\xcd\""));

 	/* AF_INET */
 	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
 				      init_AF_INET_msg, print_AF_INET_msg,
 				      0, "IFLA_INET_UNSPEC", pattern,
 				      unknown_msg, print_quoted_hex, 2,
 				      printf("\"\\xab\\xac\\xdb\\xcd\""));
 	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
 				      init_AF_INET_msg, print_AF_INET_msg,
 				      2, "0x2 /* IFLA_INET_??? */", pattern,
 				      unknown_msg, print_quoted_hex, 2,
 				      printf("\"\\xab\\xac\\xdb\\xcd\""));

 	/* AF_INET: IFLA_INET_CONF */
 	uint32_t inet_conf_vals[] = { 0xdeadc0de, 0xda7aface };
 	TEST_NESTED_NLATTR_ARRAY_EX(fd, nlh0, hdrlen,
 				    init_AF_INET_msg, print_AF_INET_msg,
 				    IFLA_INET_CONF, pattern,
 				    inet_conf_vals, 2, print_inet_conf_val);

 	/* AF_INET6 */
 	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
 				      init_AF_INET6_msg, print_AF_INET6_msg,
 				      0, "IFLA_INET6_UNSPEC", pattern,
 				      unknown_msg, print_quoted_hex, 2,
 				      printf("\"\\xab\\xac\\xdb\\xcd\""));
 	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
 				      init_AF_INET6_msg, print_AF_INET6_msg,
 				      9, "0x9 /* IFLA_INET6_??? */", pattern,
 				      unknown_msg, print_quoted_hex, 2,
 				      printf("\"\\xab\\xac\\xdb\\xcd\""));

 	/* AF_INET6: IFLA_INET6_FLAGS */
 	static const struct {
 		uint32_t flags;
 		const char *str;
 	} inet6_flags[] = {
 		{ 0xf, "0xf /* IF_??? */" },
 		{ 0x10, "IF_RS_SENT" },
 		{ 0xc0, "IF_RA_MANAGED|IF_RA_OTHERCONF" },
 		{ 0xdeadc0de, "IF_RS_SENT|IF_RA_MANAGED|IF_RA_OTHERCONF"
 			      "|IF_READY|0x5eadc00e" },
 	};

 	for (size_t i = 0; i < ARRAY_SIZE(inet6_flags); i++) {
 		TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
 					      init_AF_INET6_msg,
 					      print_AF_INET6_msg,
 					      1, "IFLA_INET6_FLAGS", pattern,
 					      inet6_flags[i].flags,
 					      print_quoted_hex, 2,
 					      printf("%s", inet6_flags[i].str));
 	}

 	/* AF_INET6: IFLA_INET6_CONF */
 	uint32_t inet6_conf_vals[] = { 0xdeadc0de, 0xda7aface };
 	TEST_NESTED_NLATTR_ARRAY_EX(fd, nlh0, hdrlen,
 				    init_AF_INET6_msg, print_AF_INET6_msg,
 				    IFLA_INET6_CONF, pattern,
 				    inet6_conf_vals, 2, print_inet6_conf_val);

 	/* AF_INET6: IFLA_INET6_STATS */
 	uint64_t inet6_stats_vals[] = { 0xdeadc0deda7aface, 0xdec0deedbadc0ded };
 	TEST_NESTED_NLATTR_ARRAY_EX(fd, nlh0, hdrlen,
 				    init_AF_INET6_msg, print_AF_INET6_msg,
 				    IFLA_INET6_STATS, pattern,
 				    inet6_stats_vals, 2, print_inet6_stats_val);

 	/* AF_INET6: IFLA_INET6_MCAST */
 	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
 				      init_AF_INET6_msg, print_AF_INET6_msg,
 				      4, "IFLA_INET6_MCAST", pattern,
 				      unknown_msg, print_quoted_hex, 2,
 				      printf("\"\\xab\\xac\\xdb\\xcd\""));

 	/* AF_INET6: IFLA_INET6_CACHEINFO */
 	static const struct ifla_cacheinfo ci = {
 		0xbadc0ded, 0xfacebeef, 0xdecafeed, 0xdeadfeed,
 	};
 	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
 				      init_AF_INET6_msg, print_AF_INET6_msg,
 				      5, "IFLA_INET6_CACHEINFO", pattern,
 				      ci, print_quoted_hex, 2,
 				      PRINT_FIELD_U("{", ci, max_reasm_len);
 				      PRINT_FIELD_U(", ", ci, tstamp);
 				      PRINT_FIELD_U(", ", ci, reachable_time);
 				      PRINT_FIELD_U(", ", ci, retrans_time);
 				      printf("}"));

 	/* AF_INET6: IFLA_INET6_ICMP6STATS */
 	uint64_t icmp6_stats_vals[] = {
 		0xdeadc0deda7aface, 0xdec0deedbadc0ded, 0xfacebeefdeadfeed,
 		0xdeadc0deda7afacd, 0xdec0deedbadc0dee, 0xfacebeefdeadfeef,
 		0xdeadc0deda7afacc
 	};
 	TEST_NESTED_NLATTR_ARRAY_EX(fd, nlh0, hdrlen,
 				    init_AF_INET6_msg, print_AF_INET6_msg,
 				    IFLA_INET6_ICMP6STATS, pattern,
 				    icmp6_stats_vals, 2, print_icmp6_stats_val);

 	/* AF_INET6: IFLA_INET6_TOKEN */
 	uint8_t inet6_addr[16] = {
 		0xba, 0xdc, 0x0d, 0xed, 0xfa, 0xce, 0xbe, 0xef,
 		0xde, 0xca, 0xfe, 0xed, 0xde, 0xad, 0xfe, 0xed,
 	};
 	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
 				      init_AF_INET6_msg, print_AF_INET6_msg,
 				      7, "IFLA_INET6_TOKEN", pattern,
 				      inet6_addr, print_quoted_hex, 2,
 				      printf("badc:ded:face:beef:deca:feed"
 					     ":dead:feed"));

 	/* AF_INET6: IFLA_INET6_ */
 	static const struct {
 		uint8_t flags;
 		const char *str;
 	} agms[] = {
 		{ 0x0, "IN6_ADDR_GEN_MODE_EUI64" },
 		{ 0x3, "IN6_ADDR_GEN_MODE_RANDOM" },
 		{ 0x4, "0x4 /* IN6_ADDR_GEN_MODE_??? */" },
 		{ 0xff, "0xff /* IN6_ADDR_GEN_MODE_??? */" },
 	};

 	for (size_t i = 0; i < ARRAY_SIZE(agms); i++) {
 		TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
 					      init_AF_INET6_msg,
 					      print_AF_INET6_msg,
 					      8, "IFLA_INET6_ADDR_GEN_MODE",
 					      pattern, agms[i].flags,
 					      print_quoted_hex, 2,
 					      printf("%s", agms[i].str));
 	}


 	puts("+++ exited with 0 +++");
 	return 0;
 }
	/*
	* IFLA_AF_SPEC netlink attribute decoding check.
	*
	* Copyright (c) 2018 The strace developers.
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. The name of the author may not be used to endorse or promote products
	* derived from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include "tests.h"

	#include <inttypes.h>
	#include <stdio.h>
	#include <stddef.h>
	#include "test_nlattr.h"

	#include <linux/if.h>
	#include <linux/if_arp.h>
	#ifdef HAVE_LINUX_IF_LINK_H
	# include <linux/if_link.h>
	#endif
	#include <linux/rtnetlink.h>

	#if !HAVE_DECL_IFLA_AF_SPEC
	enum { IFLA_AF_SPEC = 26 };
	#endif

	#define XLAT_MACROS_ONLY
	# include "xlat/rtnl_ifla_af_spec_inet_attrs.h"
	# include "xlat/rtnl_ifla_af_spec_inet6_attrs.h"
	#undef XLAT_MACROS_ONLY

	#ifndef HAVE_STRUCT_IFLA_CACHEINFO
	struct ifla_cacheinfo {
	uint32_t max_reasm_len;
	uint32_t tstamp;
	uint32_t reachable_time;
	uint32_t retrans_time;
	};
	#endif

	#define IFLA_ATTR IFLA_AF_SPEC
	#include "nlattr_ifla.h"

	#define AF_SPEC_FUNCS(family_) \
	static void \
	init_##family_##_msg(struct nlmsghdr *const nlh, \
	const unsigned int msg_len) \
	{ \
	init_ifinfomsg(nlh, msg_len); \
	\
	struct nlattr *nla = NLMSG_ATTR(nlh, hdrlen); \
	nla += 1; \
	SET_STRUCT(struct nlattr, nla, \
	.nla_len = msg_len - NLMSG_SPACE(hdrlen) \
	- NLA_HDRLEN, \
	.nla_type = family_, \
	); \
	} \
	\
	static void \
	print_##family_##_msg(const unsigned int msg_len) \
	{ \
	print_ifinfomsg(msg_len); \
	printf(", {{nla_len=%u, nla_type=" #family_ "}", \
	msg_len - NLMSG_SPACE(hdrlen) - NLA_HDRLEN); \
	} \
	/* end of AF_SPEC_FUNCS definition */

	AF_SPEC_FUNCS(AF_INET)
	AF_SPEC_FUNCS(AF_INET6)

	static void
	print_arr_val(uint32_t val, size_t idx, const char idx_str)
	{
	if (idx_str)
	printf("[%s] = ", idx_str);
	else
	printf("[%zu] = ", idx);

	printf("%d", *val);
	}

	static void
	print_arr_uval(uint64_t val, size_t idx, const char idx_str)
	{
	if (idx_str)
	printf("[%s] = ", idx_str);
	else
	printf("[%zu] = ", idx);

	printf("%" PRIu64, *val);
	}

	static void
	print_inet_conf_val(uint32_t *val, size_t idx)
	{
	static const char * const strs[] = {
	"IPV4_DEVCONF_FORWARDING-1",
	"IPV4_DEVCONF_MC_FORWARDING-1",
	};

	print_arr_val(val, idx, idx < ARRAY_SIZE(strs) ? strs[idx] : NULL);
	}


	static void
	print_inet6_conf_val(uint32_t *val, size_t idx)
	{
	static const char * const strs[] = {
	"DEVCONF_FORWARDING",
	"DEVCONF_HOPLIMIT",
	};

	print_arr_val(val, idx, idx < ARRAY_SIZE(strs) ? strs[idx] : NULL);
	}

	static void
	print_inet6_stats_val(uint64_t *val, size_t idx)
	{
	static const char * const strs[] = {
	"IPSTATS_MIB_NUM",
	"IPSTATS_MIB_INPKTS",
	};

	print_arr_uval(val, idx, idx < ARRAY_SIZE(strs) ? strs[idx] : NULL);
	}

	static void
	print_icmp6_stats_val(uint64_t *val, size_t idx)
	{
	static const char * const strs[] = {
	"ICMP6_MIB_NUM",
	"ICMP6_MIB_INMSGS",
	"ICMP6_MIB_INERRORS",
	"ICMP6_MIB_OUTMSGS",
	"ICMP6_MIB_OUTERRORS",
	"ICMP6_MIB_CSUMERRORS",
	"6 /* ICMP6_MIB_??? */",
	};

	print_arr_uval(val, idx, idx < ARRAY_SIZE(strs) ? strs[idx] : NULL);
	}

	int
	main(void)
	{
	static const uint8_t unknown_msg[] = { 0xab, 0xac, 0xdb, 0xcd };

	skip_if_unavailable("/proc/self/fd/");

	const int fd = create_nl_socket(NETLINK_ROUTE);

	const unsigned int hdrlen = sizeof(struct ifinfomsg);
	void nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen), 3 NLA_HDRLEN + 256);

	static char pattern[4096];
	fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);


	/* unknown AF_* */
	TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
	init_ifinfomsg, print_ifinfomsg,
	AF_UNIX, pattern, unknown_msg,
	printf("\"\\xab\\xac\\xdb\\xcd\""));

	/* AF_INET */
	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
	init_AF_INET_msg, print_AF_INET_msg,
	0, "IFLA_INET_UNSPEC", pattern,
	unknown_msg, print_quoted_hex, 2,
	printf("\"\\xab\\xac\\xdb\\xcd\""));
	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
	init_AF_INET_msg, print_AF_INET_msg,
	2, "0x2 /* IFLA_INET_??? */", pattern,
	unknown_msg, print_quoted_hex, 2,
	printf("\"\\xab\\xac\\xdb\\xcd\""));

	/* AF_INET: IFLA_INET_CONF */
	uint32_t inet_conf_vals[] = { 0xdeadc0de, 0xda7aface };
	TEST_NESTED_NLATTR_ARRAY_EX(fd, nlh0, hdrlen,
	init_AF_INET_msg, print_AF_INET_msg,
	IFLA_INET_CONF, pattern,
	inet_conf_vals, 2, print_inet_conf_val);

	/* AF_INET6 */
	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
	init_AF_INET6_msg, print_AF_INET6_msg,
	0, "IFLA_INET6_UNSPEC", pattern,
	unknown_msg, print_quoted_hex, 2,
	printf("\"\\xab\\xac\\xdb\\xcd\""));
	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
	init_AF_INET6_msg, print_AF_INET6_msg,
	9, "0x9 /* IFLA_INET6_??? */", pattern,
	unknown_msg, print_quoted_hex, 2,
	printf("\"\\xab\\xac\\xdb\\xcd\""));

	/* AF_INET6: IFLA_INET6_FLAGS */
	static const struct {
	uint32_t flags;
	const char *str;
	} inet6_flags[] = {
	{ 0xf, "0xf /* IF_??? */" },
	{ 0x10, "IF_RS_SENT" },
	{ 0xc0, "IF_RA_MANAGED\|IF_RA_OTHERCONF" },
	{ 0xdeadc0de, "IF_RS_SENT\|IF_RA_MANAGED\|IF_RA_OTHERCONF"
	"\|IF_READY\|0x5eadc00e" },
	};

	for (size_t i = 0; i < ARRAY_SIZE(inet6_flags); i++) {
	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
	init_AF_INET6_msg,
	print_AF_INET6_msg,
	1, "IFLA_INET6_FLAGS", pattern,
	inet6_flags[i].flags,
	print_quoted_hex, 2,
	printf("%s", inet6_flags[i].str));
	}

	/* AF_INET6: IFLA_INET6_CONF */
	uint32_t inet6_conf_vals[] = { 0xdeadc0de, 0xda7aface };
	TEST_NESTED_NLATTR_ARRAY_EX(fd, nlh0, hdrlen,
	init_AF_INET6_msg, print_AF_INET6_msg,
	IFLA_INET6_CONF, pattern,
	inet6_conf_vals, 2, print_inet6_conf_val);

	/* AF_INET6: IFLA_INET6_STATS */
	uint64_t inet6_stats_vals[] = { 0xdeadc0deda7aface, 0xdec0deedbadc0ded };
	TEST_NESTED_NLATTR_ARRAY_EX(fd, nlh0, hdrlen,
	init_AF_INET6_msg, print_AF_INET6_msg,
	IFLA_INET6_STATS, pattern,
	inet6_stats_vals, 2, print_inet6_stats_val);

	/* AF_INET6: IFLA_INET6_MCAST */
	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
	init_AF_INET6_msg, print_AF_INET6_msg,
	4, "IFLA_INET6_MCAST", pattern,
	unknown_msg, print_quoted_hex, 2,
	printf("\"\\xab\\xac\\xdb\\xcd\""));

	/* AF_INET6: IFLA_INET6_CACHEINFO */
	static const struct ifla_cacheinfo ci = {
	0xbadc0ded, 0xfacebeef, 0xdecafeed, 0xdeadfeed,
	};
	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
	init_AF_INET6_msg, print_AF_INET6_msg,
	5, "IFLA_INET6_CACHEINFO", pattern,
	ci, print_quoted_hex, 2,
	PRINT_FIELD_U("{", ci, max_reasm_len);
	PRINT_FIELD_U(", ", ci, tstamp);
	PRINT_FIELD_U(", ", ci, reachable_time);
	PRINT_FIELD_U(", ", ci, retrans_time);
	printf("}"));

	/* AF_INET6: IFLA_INET6_ICMP6STATS */
	uint64_t icmp6_stats_vals[] = {
	0xdeadc0deda7aface, 0xdec0deedbadc0ded, 0xfacebeefdeadfeed,
	0xdeadc0deda7afacd, 0xdec0deedbadc0dee, 0xfacebeefdeadfeef,
	0xdeadc0deda7afacc
	};
	TEST_NESTED_NLATTR_ARRAY_EX(fd, nlh0, hdrlen,
	init_AF_INET6_msg, print_AF_INET6_msg,
	IFLA_INET6_ICMP6STATS, pattern,
	icmp6_stats_vals, 2, print_icmp6_stats_val);

	/* AF_INET6: IFLA_INET6_TOKEN */
	uint8_t inet6_addr[16] = {
	0xba, 0xdc, 0x0d, 0xed, 0xfa, 0xce, 0xbe, 0xef,
	0xde, 0xca, 0xfe, 0xed, 0xde, 0xad, 0xfe, 0xed,
	};
	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
	init_AF_INET6_msg, print_AF_INET6_msg,
	7, "IFLA_INET6_TOKEN", pattern,
	inet6_addr, print_quoted_hex, 2,
	printf("badc:ded:face:beef:deca:feed"
	":dead:feed"));

	/* AF_INET6: IFLA_INET6_ */
	static const struct {
	uint8_t flags;
	const char *str;
	} agms[] = {
	{ 0x0, "IN6_ADDR_GEN_MODE_EUI64" },
	{ 0x3, "IN6_ADDR_GEN_MODE_RANDOM" },
	{ 0x4, "0x4 /* IN6_ADDR_GEN_MODE_??? */" },
	{ 0xff, "0xff /* IN6_ADDR_GEN_MODE_??? */" },
	};

	for (size_t i = 0; i < ARRAY_SIZE(agms); i++) {
	TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
	init_AF_INET6_msg,
	print_AF_INET6_msg,
	8, "IFLA_INET6_ADDR_GEN_MODE",
	pattern, agms[i].flags,
	print_quoted_hex, 2,
	printf("%s", agms[i].str));
	}


	puts("+++ exited with 0 +++");
	return 0;
	}