1 /* 2 * This file is part of net-yy-netlink strace test. 3 * 4 * Copyright (c) 2013-2017 Dmitry V. Levin <ldv (at) altlinux.org> 5 * Copyright (c) 2016 Fabien Siron <fabien.siron (at) epita.fr> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "tests.h" 32 #include <stddef.h> 33 #include <stdio.h> 34 #include <stdlib.h> 35 #include <stdint.h> 36 #include <string.h> 37 #include <unistd.h> 38 #include <sys/socket.h> 39 #include "netlink.h" 40 #include <linux/sock_diag.h> 41 #include <linux/netlink_diag.h> 42 43 int 44 main(void) 45 { 46 skip_if_unavailable("/proc/self/fd/"); 47 48 struct sockaddr_nl addr = { 49 .nl_family = AF_NETLINK, 50 .nl_pid = getpid() 51 }; 52 struct sockaddr *const sa = tail_memdup(&addr, sizeof(addr)); 53 TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, len); 54 *len = sizeof(addr); 55 56 const int fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_SOCK_DIAG); 57 if (fd < 0) 58 perror_msg_and_skip("socket"); 59 const unsigned long inode = inode_of_sockfd(fd); 60 printf("socket(AF_NETLINK, SOCK_RAW, NETLINK_SOCK_DIAG) = " 61 "%d<NETLINK:[%lu]>\n", fd, inode); 62 63 if (bind(fd, sa, *len)) 64 perror_msg_and_skip("bind"); 65 printf("bind(%d<NETLINK:[%lu]>, {sa_family=AF_NETLINK" 66 ", nl_pid=%u, nl_groups=00000000}, %u) = 0\n", 67 fd, inode, addr.nl_pid, (unsigned) *len); 68 69 if (getsockname(fd, sa, len)) 70 perror_msg_and_fail("getsockname"); 71 printf("getsockname(%d<NETLINK:[SOCK_DIAG:%u]>, {sa_family=AF_NETLINK" 72 ", nl_pid=%u, nl_groups=00000000}, [%u]) = 0\n", 73 fd, addr.nl_pid, addr.nl_pid, (unsigned) *len); 74 75 if (close(fd)) 76 perror_msg_and_fail("close"); 77 printf("close(%d<NETLINK:[SOCK_DIAG:%u]>) = 0\n", fd, addr.nl_pid); 78 79 puts("+++ exited with 0 +++"); 80 return 0; 81 } 82
