1 /* 2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com> 3 * Copyright (c) 2017 The strace developers. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "tests.h" 30 31 #ifdef HAVE_LINUX_NETFILTER_XT_OSF_H 32 33 # include <stdio.h> 34 # include <sys/socket.h> 35 # include "netlink.h" 36 # include <linux/ip.h> 37 # include <linux/tcp.h> 38 # include <linux/netfilter/nfnetlink.h> 39 # include <linux/netfilter/xt_osf.h> 40 41 static void 42 test_nlmsg_type(const int fd) 43 { 44 long rc; 45 struct nlmsghdr nlh = { 46 .nlmsg_len = sizeof(nlh), 47 .nlmsg_flags = NLM_F_REQUEST, 48 }; 49 50 nlh.nlmsg_type = NFNL_SUBSYS_OSF << 8 | OSF_MSG_ADD; 51 rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0); 52 printf("sendto(%d, {len=%u" 53 ", type=NFNL_SUBSYS_OSF<<8|OSF_MSG_ADD" 54 ", flags=NLM_F_REQUEST, seq=0, pid=0}" 55 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 56 fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc)); 57 58 nlh.nlmsg_type = NFNL_SUBSYS_OSF << 8 | 0xff; 59 rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0); 60 printf("sendto(%d, {len=%u" 61 ", type=NFNL_SUBSYS_OSF<<8|0xff /* OSF_MSG_??? */" 62 ", flags=NLM_F_REQUEST, seq=0, pid=0}" 63 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 64 fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc)); 65 } 66 67 int 68 main(void) 69 { 70 skip_if_unavailable("/proc/self/fd/"); 71 72 int fd = create_nl_socket(NETLINK_NETFILTER); 73 74 test_nlmsg_type(fd); 75 76 puts("+++ exited with 0 +++"); 77 78 return 0; 79 } 80 81 #else 82 83 SKIP_MAIN_UNDEFINED("HAVE_LINUX_NETFILTER_XT_OSF_H") 84 85 #endif 86