1 /* 2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao (at) 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_NFNETLINK_CTTIMEOUT_H 32 33 # include <stdio.h> 34 # include <sys/socket.h> 35 # include "netlink.h" 36 # include <linux/netfilter/nfnetlink.h> 37 # include <linux/netfilter/nfnetlink_cttimeout.h> 38 39 static void 40 test_nlmsg_type(const int fd) 41 { 42 long rc; 43 struct nlmsghdr nlh = { 44 .nlmsg_len = sizeof(nlh), 45 .nlmsg_flags = NLM_F_REQUEST, 46 }; 47 48 nlh.nlmsg_type = 49 NFNL_SUBSYS_CTNETLINK_TIMEOUT << 8 | IPCTNL_MSG_TIMEOUT_NEW; 50 rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0); 51 printf("sendto(%d, {len=%u" 52 ", type=NFNL_SUBSYS_CTNETLINK_TIMEOUT<<8|IPCTNL_MSG_TIMEOUT_NEW" 53 ", flags=NLM_F_REQUEST, seq=0, pid=0}" 54 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 55 fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc)); 56 57 nlh.nlmsg_type = NFNL_SUBSYS_CTNETLINK_TIMEOUT << 8 | 0xff; 58 rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0); 59 printf("sendto(%d, {len=%u" 60 ", type=NFNL_SUBSYS_CTNETLINK_TIMEOUT<<8|0xff /* IPCTNL_MSG_TIMEOUT_??? */" 61 ", flags=NLM_F_REQUEST, seq=0, pid=0}" 62 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 63 fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc)); 64 } 65 66 static void 67 test_nlmsg_flags(const int fd) 68 { 69 long rc; 70 struct nlmsghdr nlh = { 71 .nlmsg_len = sizeof(nlh), 72 }; 73 74 nlh.nlmsg_type = 75 NFNL_SUBSYS_CTNETLINK_TIMEOUT << 8 | IPCTNL_MSG_TIMEOUT_NEW; 76 nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_APPEND; 77 rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0); 78 printf("sendto(%d, {len=%u" 79 ", type=NFNL_SUBSYS_CTNETLINK_TIMEOUT<<8|IPCTNL_MSG_TIMEOUT_NEW" 80 ", flags=NLM_F_REQUEST|NLM_F_APPEND, seq=0, pid=0}" 81 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 82 fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc)); 83 84 nlh.nlmsg_type = 85 NFNL_SUBSYS_CTNETLINK_TIMEOUT << 8 | IPCTNL_MSG_TIMEOUT_GET; 86 nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ATOMIC; 87 rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0); 88 printf("sendto(%d, {len=%u" 89 ", type=NFNL_SUBSYS_CTNETLINK_TIMEOUT<<8|IPCTNL_MSG_TIMEOUT_GET" 90 ", flags=NLM_F_REQUEST|NLM_F_ATOMIC, seq=0, pid=0}" 91 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 92 fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc)); 93 94 nlh.nlmsg_type = 95 NFNL_SUBSYS_CTNETLINK_TIMEOUT << 8 | IPCTNL_MSG_TIMEOUT_DELETE; 96 nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_NONREC; 97 rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0); 98 printf("sendto(%d, {len=%u" 99 ", type=NFNL_SUBSYS_CTNETLINK_TIMEOUT<<8|IPCTNL_MSG_TIMEOUT_DELETE" 100 ", flags=NLM_F_REQUEST|NLM_F_NONREC, seq=0, pid=0}" 101 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 102 fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc)); 103 } 104 105 int 106 main(void) 107 { 108 skip_if_unavailable("/proc/self/fd/"); 109 110 int fd = create_nl_socket(NETLINK_NETFILTER); 111 112 test_nlmsg_type(fd); 113 test_nlmsg_flags(fd); 114 115 puts("+++ exited with 0 +++"); 116 117 return 0; 118 } 119 120 #else 121 122 SKIP_MAIN_UNDEFINED("HAVE_LINUX_NETFILTER_NFNETLINK_CTTIMEOUT_H") 123 124 #endif 125
