text: /*
   * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
   * Copyright (c) 2017 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"
  
  #ifdef HAVE_LINUX_NETFILTER_NF_TABLES_H
  
  # include <stdio.h>
  # include <sys/socket.h>
  # include "netlink.h"
  # include <linux/netfilter/nfnetlink.h>
  # include <linux/netfilter/nf_tables.h>
  
  static void
  test_nlmsg_type(const int fd)
  {
  	long rc;
  	struct nlmsghdr nlh = {
  		.nlmsg_len = sizeof(nlh),
  		.nlmsg_flags = NLM_F_REQUEST,
  	};
  
  	nlh.nlmsg_type = NFNL_SUBSYS_NFTABLES << 8 | NFT_MSG_NEWTABLE;
  	rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
  	printf("sendto(%d, {len=%u"
  	       ", type=NFNL_SUBSYS_NFTABLES<<8|NFT_MSG_NEWTABLE"
  	       ", flags=NLM_F_REQUEST, seq=0, pid=0}"
  	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
  	       fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
  
  	nlh.nlmsg_type = NFNL_SUBSYS_NFTABLES << 8 | 0xff;
  	rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
  	printf("sendto(%d, {len=%u"
  	       ", type=NFNL_SUBSYS_NFTABLES<<8|0xff /* NFT_MSG_??? */"
  	       ", flags=NLM_F_REQUEST, seq=0, pid=0}"
  	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
  	       fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
  }
  
  static void
  test_nlmsg_flags(const int fd)
  {
  	long rc;
  	struct nlmsghdr nlh = {
  		.nlmsg_len = sizeof(nlh),
  	};
  
  	nlh.nlmsg_type = NFNL_SUBSYS_NFTABLES << 8 | NFT_MSG_NEWTABLE;
  	nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_REPLACE;
  	rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
  	printf("sendto(%d, {len=%u"
  	       ", type=NFNL_SUBSYS_NFTABLES<<8|NFT_MSG_NEWTABLE"
  	       ", flags=NLM_F_REQUEST|NLM_F_REPLACE, seq=0, pid=0}"
  	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
  	       fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
  
  	nlh.nlmsg_type = NFNL_SUBSYS_NFTABLES << 8 | NFT_MSG_GETTABLE;
  	nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
  	rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
  	printf("sendto(%d, {len=%u"
  	       ", type=NFNL_SUBSYS_NFTABLES<<8|NFT_MSG_GETTABLE"
  	       ", flags=NLM_F_REQUEST|NLM_F_DUMP, seq=0, pid=0}"
  	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
  	       fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
  
  	nlh.nlmsg_type = NFNL_SUBSYS_NFTABLES << 8 | NFT_MSG_DELTABLE;
  	nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_NONREC;
  	rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
  	printf("sendto(%d, {len=%u"
  	       ", type=NFNL_SUBSYS_NFTABLES<<8|NFT_MSG_DELTABLE"
  	       ", flags=NLM_F_REQUEST|NLM_F_NONREC, seq=0, pid=0}"
  	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
  	       fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
  }
  
  int
  main(void)
  {
  	skip_if_unavailable("/proc/self/fd/");
  
  	int fd = create_nl_socket(NETLINK_NETFILTER);
  
  	test_nlmsg_type(fd);
  	test_nlmsg_flags(fd);
  
  	puts("+++ exited with 0 +++");
  
  	return 0;
  }
  
  #else
  
  SKIP_MAIN_UNDEFINED("HAVE_LINUX_NETFILTER_NF_TABLES_H")
  
  #endif
  