1 /* 2 * This file is part of net-y-unix strace test. 3 * 4 * Copyright (c) 2013-2017 Dmitry V. Levin <ldv (at) altlinux.org> 5 * Copyright (c) 2016-2018 The strace developers. 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 <assert.h> 33 #include <stddef.h> 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <unistd.h> 38 #include <sys/socket.h> 39 #include <sys/un.h> 40 41 #include "accept_compat.h" 42 43 #define TEST_SOCKET "net-y-unix.socket" 44 45 int 46 main(void) 47 { 48 skip_if_unavailable("/proc/self/fd/"); 49 50 static const struct sockaddr_un addr = { 51 .sun_family = AF_UNIX, 52 .sun_path = TEST_SOCKET 53 }; 54 struct sockaddr * const listen_sa = tail_memdup(&addr, sizeof(addr)); 55 56 TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, len); 57 *len = offsetof(struct sockaddr_un, sun_path) + strlen(TEST_SOCKET) + 1; 58 if (*len > sizeof(addr)) 59 *len = sizeof(addr); 60 61 int listen_fd = socket(AF_UNIX, SOCK_STREAM, 0); 62 if (listen_fd < 0) 63 perror_msg_and_skip("socket"); 64 unsigned long listen_inode = inode_of_sockfd(listen_fd); 65 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n", 66 listen_fd, listen_inode); 67 68 (void) unlink(TEST_SOCKET); 69 if (bind(listen_fd, listen_sa, *len)) 70 perror_msg_and_skip("bind"); 71 printf("bind(%d<socket:[%lu]>, {sa_family=AF_UNIX, sun_path=\"%s\"}" 72 ", %u) = 0\n", 73 listen_fd, listen_inode, TEST_SOCKET, (unsigned) *len); 74 75 if (listen(listen_fd, 1)) 76 perror_msg_and_skip("listen"); 77 printf("listen(%d<socket:[%lu]>, 1) = 0\n", listen_fd, listen_inode); 78 79 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, optval); 80 *len = sizeof(*optval); 81 if (getsockopt(listen_fd, SOL_SOCKET, SO_PASSCRED, optval, len)) 82 perror_msg_and_fail("getsockopt"); 83 printf("getsockopt(%d<socket:[%lu]>, SOL_SOCKET, SO_PASSCRED" 84 ", [%u], [%u]) = 0\n", 85 listen_fd, listen_inode, *optval, (unsigned) *len); 86 87 memset(listen_sa, 0, sizeof(addr)); 88 *len = sizeof(addr); 89 if (getsockname(listen_fd, listen_sa, len)) 90 perror_msg_and_fail("getsockname"); 91 printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX" 92 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode, 93 TEST_SOCKET, (int) sizeof(addr), (int) *len); 94 95 int connect_fd = socket(AF_UNIX, SOCK_STREAM, 0); 96 if (connect_fd < 0) 97 perror_msg_and_fail("socket"); 98 unsigned long connect_inode = inode_of_sockfd(connect_fd); 99 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n", 100 connect_fd, connect_inode); 101 102 if (connect(connect_fd, listen_sa, *len)) 103 perror_msg_and_fail("connect"); 104 printf("connect(%d<socket:[%lu]>, {sa_family=AF_UNIX" 105 ", sun_path=\"%s\"}, %u) = 0\n", 106 connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len); 107 108 struct sockaddr * const accept_sa = tail_alloc(sizeof(addr)); 109 memset(accept_sa, 0, sizeof(addr)); 110 *len = sizeof(addr); 111 int accept_fd = do_accept(listen_fd, accept_sa, len); 112 if (accept_fd < 0) 113 perror_msg_and_fail("accept"); 114 unsigned long accept_inode = inode_of_sockfd(accept_fd); 115 printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX}" 116 ", [%d->%d]) = %d<socket:[%lu]>\n", 117 listen_fd, listen_inode, 118 (int) sizeof(addr), (int) *len, 119 accept_fd, accept_inode); 120 121 memset(listen_sa, 0, sizeof(addr)); 122 *len = sizeof(addr); 123 if (getpeername(connect_fd, listen_sa, len)) 124 perror_msg_and_fail("getpeername"); 125 printf("getpeername(%d<socket:[%lu]>, {sa_family=AF_UNIX" 126 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", connect_fd, connect_inode, 127 TEST_SOCKET, (int) sizeof(addr), (int) *len); 128 129 char text[] = "text"; 130 assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0) 131 == sizeof(text) - 1); 132 printf("sendto(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT" 133 ", NULL, 0) = %u\n", 134 connect_fd, connect_inode, text, 135 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); 136 137 assert(close(connect_fd) == 0); 138 printf("close(%d<socket:[%lu]>) = 0\n", connect_fd, connect_inode); 139 140 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL) 141 == sizeof(text) - 1); 142 printf("recvfrom(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT" 143 ", NULL, NULL) = %u\n", 144 accept_fd, accept_inode, text, 145 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); 146 147 assert(close(accept_fd) == 0); 148 printf("close(%d<socket:[%lu]>) = 0\n", accept_fd, accept_inode); 149 150 connect_fd = socket(AF_UNIX, SOCK_STREAM, 0); 151 if (connect_fd < 0) 152 perror_msg_and_fail("socket"); 153 connect_inode = inode_of_sockfd(connect_fd); 154 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n", 155 connect_fd, connect_inode); 156 157 *optval = 1; 158 *len = sizeof(*optval); 159 if (setsockopt(connect_fd, SOL_SOCKET, SO_PASSCRED, optval, *len)) 160 perror_msg_and_fail("setsockopt"); 161 printf("setsockopt(%d<socket:[%lu]>, SOL_SOCKET, SO_PASSCRED" 162 ", [%u], %u) = 0\n", 163 connect_fd, connect_inode, *optval, (unsigned) *len); 164 165 memset(listen_sa, 0, sizeof(addr)); 166 *len = sizeof(addr); 167 if (getsockname(listen_fd, listen_sa, len)) 168 perror_msg_and_fail("getsockname"); 169 printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX" 170 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", 171 listen_fd, listen_inode, TEST_SOCKET, 172 (int) sizeof(addr), (int) *len); 173 174 if (connect(connect_fd, listen_sa, *len)) 175 perror_msg_and_fail("connect"); 176 printf("connect(%d<socket:[%lu]>, {sa_family=AF_UNIX" 177 ", sun_path=\"%s\"}, %u) = 0\n", 178 connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len); 179 180 memset(accept_sa, 0, sizeof(addr)); 181 *len = sizeof(addr); 182 accept_fd = do_accept(listen_fd, accept_sa, len); 183 if (accept_fd < 0) 184 perror_msg_and_fail("accept"); 185 accept_inode = inode_of_sockfd(accept_fd); 186 const char * const sun_path1 = 187 ((struct sockaddr_un *) accept_sa)->sun_path + 1; 188 printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX" 189 ", sun_path=@\"%s\"}, [%d->%d]) = %d<socket:[%lu]>\n", 190 listen_fd, listen_inode, sun_path1, 191 (int) sizeof(addr), (int) *len, 192 accept_fd, accept_inode); 193 194 memset(listen_sa, 0, sizeof(addr)); 195 *len = sizeof(addr); 196 if (getpeername(connect_fd, listen_sa, len)) 197 perror_msg_and_fail("getpeername"); 198 printf("getpeername(%d<socket:[%lu]>, {sa_family=AF_UNIX" 199 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", 200 connect_fd, connect_inode, TEST_SOCKET, 201 (int) sizeof(addr), (int) *len); 202 203 memset(accept_sa, 0, sizeof(addr)); 204 *len = sizeof(addr); 205 if (getsockname(connect_fd, accept_sa, len)) 206 perror_msg_and_fail("getsockname"); 207 printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX" 208 ", sun_path=@\"%s\"}, [%d->%d]) = 0\n", 209 connect_fd, connect_inode, sun_path1, 210 (int) sizeof(addr), (int) *len); 211 212 assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0) 213 == sizeof(text) - 1); 214 printf("sendto(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT" 215 ", NULL, 0) = %u\n", 216 connect_fd, connect_inode, text, 217 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); 218 219 assert(close(connect_fd) == 0); 220 printf("close(%d<socket:[%lu]>) = 0\n", connect_fd, connect_inode); 221 222 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL) 223 == sizeof(text) - 1); 224 printf("recvfrom(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT" 225 ", NULL, NULL) = %u\n", 226 accept_fd, accept_inode, text, 227 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); 228 229 assert(close(accept_fd) == 0); 230 printf("close(%d<socket:[%lu]>) = 0\n", accept_fd, accept_inode); 231 232 assert(unlink(TEST_SOCKET) == 0); 233 234 assert(close(listen_fd) == 0); 235 printf("close(%d<socket:[%lu]>) = 0\n", 236 listen_fd, listen_inode); 237 238 puts("+++ exited with 0 +++"); 239 return 0; 240 } 241