1d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes/* 2d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * This file is part of net-yy-netlink strace test. 3d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 439bac055674d23770b9a724221b728e443196ea7Elliott Hughes * Copyright (c) 2013-2017 Dmitry V. Levin <ldv@altlinux.org> 5d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr> 6d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * All rights reserved. 7d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 8d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Redistribution and use in source and binary forms, with or without 9d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * modification, are permitted provided that the following conditions 10d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * are met: 11d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 1. Redistributions of source code must retain the above copyright 12d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * notice, this list of conditions and the following disclaimer. 13d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 2. Redistributions in binary form must reproduce the above copyright 14d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * notice, this list of conditions and the following disclaimer in the 15d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * documentation and/or other materials provided with the distribution. 16d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 3. The name of the author may not be used to endorse or promote products 17d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * derived from this software without specific prior written permission. 18d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 19d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes */ 30d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 31d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include "tests.h" 32d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <stddef.h> 33d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <stdio.h> 34d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <stdlib.h> 35d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <stdint.h> 36d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <string.h> 37d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <unistd.h> 38d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <sys/socket.h> 39dc75b01004a0588c1eb3bc26d7248a6e473b2cddElliott Hughes#include "netlink.h" 40d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <linux/sock_diag.h> 41d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <linux/netlink_diag.h> 42d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 43d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesint 44d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesmain(void) 45d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes{ 4639bac055674d23770b9a724221b728e443196ea7Elliott Hughes skip_if_unavailable("/proc/self/fd/"); 4739bac055674d23770b9a724221b728e443196ea7Elliott Hughes 48d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes struct sockaddr_nl addr = { 49d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes .nl_family = AF_NETLINK, 5039bac055674d23770b9a724221b728e443196ea7Elliott Hughes .nl_pid = getpid() 51d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes }; 52d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes struct sockaddr *const sa = tail_memdup(&addr, sizeof(addr)); 5339bac055674d23770b9a724221b728e443196ea7Elliott Hughes TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, len); 54d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes *len = sizeof(addr); 55d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 56d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes const int fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_SOCK_DIAG); 57d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (fd < 0) 58d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_skip("socket"); 59d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes const unsigned long inode = inode_of_sockfd(fd); 60d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes printf("socket(AF_NETLINK, SOCK_RAW, NETLINK_SOCK_DIAG) = " 61d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes "%d<NETLINK:[%lu]>\n", fd, inode); 62d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 63d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (bind(fd, sa, *len)) 64d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_skip("bind"); 65d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes printf("bind(%d<NETLINK:[%lu]>, {sa_family=AF_NETLINK" 66d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes ", nl_pid=%u, nl_groups=00000000}, %u) = 0\n", 6739bac055674d23770b9a724221b728e443196ea7Elliott Hughes fd, inode, addr.nl_pid, (unsigned) *len); 68d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 69d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (getsockname(fd, sa, len)) 70d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_fail("getsockname"); 71d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes printf("getsockname(%d<NETLINK:[SOCK_DIAG:%u]>, {sa_family=AF_NETLINK" 72d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes ", nl_pid=%u, nl_groups=00000000}, [%u]) = 0\n", 7339bac055674d23770b9a724221b728e443196ea7Elliott Hughes fd, addr.nl_pid, addr.nl_pid, (unsigned) *len); 74d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 75d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (close(fd)) 76d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_fail("close"); 7739bac055674d23770b9a724221b728e443196ea7Elliott Hughes printf("close(%d<NETLINK:[SOCK_DIAG:%u]>) = 0\n", fd, addr.nl_pid); 78d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 79d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes puts("+++ exited with 0 +++"); 80d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes return 0; 81d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes} 82