1 /* 2 * This file is part of net-y-unix strace test. 3 * 4 * Copyright (c) 2013-2016 Dmitry V. Levin <ldv (at) altlinux.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include "tests.h" 31 #include <assert.h> 32 #include <stddef.h> 33 #include <stdio.h> 34 #include <stdlib.h> 35 #include <string.h> 36 #include <unistd.h> 37 #include <sys/param.h> 38 #include <sys/socket.h> 39 #include <sys/un.h> 40 41 int 42 main(int ac, const char **av) 43 { 44 assert(ac == 2); 45 46 struct sockaddr_un addr = { .sun_family = AF_UNIX }; 47 unsigned int sun_path_len = strlen(av[1]); 48 assert(sun_path_len > 0 && sun_path_len <= sizeof(addr.sun_path)); 49 strncpy(addr.sun_path, av[1], sizeof(addr.sun_path)); 50 struct sockaddr * const listen_sa = tail_memdup(&addr, sizeof(addr)); 51 52 socklen_t * const len = tail_alloc(sizeof(socklen_t)); 53 *len = offsetof(struct sockaddr_un, sun_path) + strlen(av[1]) + 1; 54 if (*len > sizeof(addr)) 55 *len = sizeof(addr); 56 57 int listen_fd = socket(AF_UNIX, SOCK_STREAM, 0); 58 if (listen_fd < 0) 59 perror_msg_and_skip("socket"); 60 unsigned long listen_inode = inode_of_sockfd(listen_fd); 61 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n", 62 listen_fd, listen_inode); 63 64 (void) unlink(av[1]); 65 if (bind(listen_fd, listen_sa, *len)) 66 perror_msg_and_skip("bind"); 67 printf("bind(%d<socket:[%lu]>, {sa_family=AF_UNIX, sun_path=\"%s\"}" 68 ", %u) = 0\n", listen_fd, listen_inode, av[1], (unsigned) *len); 69 70 if (listen(listen_fd, 1)) 71 perror_msg_and_skip("listen"); 72 printf("listen(%d<socket:[%lu]>, 1) = 0\n", listen_fd, listen_inode); 73 74 unsigned int * const optval = tail_alloc(sizeof(unsigned int)); 75 *len = sizeof(*optval); 76 if (getsockopt(listen_fd, SOL_SOCKET, SO_PASSCRED, optval, len)) 77 perror_msg_and_fail("getsockopt"); 78 printf("getsockopt(%d<socket:[%lu]>, SOL_SOCKET, SO_PASSCRED" 79 ", [%u], [%u]) = 0\n", 80 listen_fd, listen_inode, *optval, (unsigned) *len); 81 82 memset(listen_sa, 0, sizeof(addr)); 83 *len = sizeof(addr); 84 if (getsockname(listen_fd, listen_sa, len)) 85 perror_msg_and_fail("getsockname"); 86 printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX" 87 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode, 88 av[1], (int) sizeof(addr), (int) *len); 89 90 int connect_fd = socket(AF_UNIX, SOCK_STREAM, 0); 91 if (connect_fd < 0) 92 perror_msg_and_fail("socket"); 93 unsigned long connect_inode = inode_of_sockfd(connect_fd); 94 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n", 95 connect_fd, connect_inode); 96 97 if (connect(connect_fd, listen_sa, *len)) 98 perror_msg_and_fail("connect"); 99 printf("connect(%d<socket:[%lu]>, {sa_family=AF_UNIX" 100 ", sun_path=\"%s\"}, %u) = 0\n", 101 connect_fd, connect_inode, av[1], (unsigned) *len); 102 103 struct sockaddr * const accept_sa = tail_alloc(sizeof(addr)); 104 memset(accept_sa, 0, sizeof(addr)); 105 *len = sizeof(addr); 106 int accept_fd = accept(listen_fd, accept_sa, len); 107 if (accept_fd < 0) 108 perror_msg_and_fail("accept"); 109 unsigned long accept_inode = inode_of_sockfd(accept_fd); 110 printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX}" 111 ", [%d->%d]) = %d<socket:[%lu]>\n", 112 listen_fd, listen_inode, 113 (int) sizeof(addr), (int) *len, 114 accept_fd, accept_inode); 115 116 memset(listen_sa, 0, sizeof(addr)); 117 *len = sizeof(addr); 118 if (getpeername(connect_fd, listen_sa, len)) 119 perror_msg_and_fail("getpeername"); 120 printf("getpeername(%d<socket:[%lu]>, {sa_family=AF_UNIX" 121 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", connect_fd, connect_inode, 122 av[1], (int) sizeof(addr), (int) *len); 123 124 char text[] = "text"; 125 assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0) 126 == sizeof(text) - 1); 127 printf("sendto(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT" 128 ", NULL, 0) = %u\n", 129 connect_fd, connect_inode, text, 130 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); 131 132 assert(close(connect_fd) == 0); 133 printf("close(%d<socket:[%lu]>) = 0\n", connect_fd, connect_inode); 134 135 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL) 136 == sizeof(text) - 1); 137 printf("recvfrom(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT" 138 ", NULL, NULL) = %u\n", 139 accept_fd, accept_inode, text, 140 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); 141 142 assert(close(accept_fd) == 0); 143 printf("close(%d<socket:[%lu]>) = 0\n", accept_fd, accept_inode); 144 145 connect_fd = socket(AF_UNIX, SOCK_STREAM, 0); 146 if (connect_fd < 0) 147 perror_msg_and_fail("socket"); 148 connect_inode = inode_of_sockfd(connect_fd); 149 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n", 150 connect_fd, connect_inode); 151 152 *optval = 1; 153 *len = sizeof(*optval); 154 if (setsockopt(connect_fd, SOL_SOCKET, SO_PASSCRED, optval, *len)) 155 perror_msg_and_fail("setsockopt"); 156 printf("setsockopt(%d<socket:[%lu]>, SOL_SOCKET, SO_PASSCRED" 157 ", [%u], %u) = 0\n", 158 connect_fd, connect_inode, *optval, (unsigned) *len); 159 160 memset(listen_sa, 0, sizeof(addr)); 161 *len = sizeof(addr); 162 if (getsockname(listen_fd, listen_sa, len)) 163 perror_msg_and_fail("getsockname"); 164 printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX" 165 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", 166 listen_fd, listen_inode, av[1], 167 (int) sizeof(addr), (int) *len); 168 169 if (connect(connect_fd, listen_sa, *len)) 170 perror_msg_and_fail("connect"); 171 printf("connect(%d<socket:[%lu]>, {sa_family=AF_UNIX" 172 ", sun_path=\"%s\"}, %u) = 0\n", 173 connect_fd, connect_inode, av[1], (unsigned) *len); 174 175 memset(accept_sa, 0, sizeof(addr)); 176 *len = sizeof(addr); 177 accept_fd = accept(listen_fd, accept_sa, len); 178 if (accept_fd < 0) 179 perror_msg_and_fail("accept"); 180 accept_inode = inode_of_sockfd(accept_fd); 181 const char * const sun_path1 = 182 ((struct sockaddr_un *) accept_sa) -> sun_path + 1; 183 printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX" 184 ", sun_path=@\"%s\"}, [%d->%d]) = %d<socket:[%lu]>\n", 185 listen_fd, listen_inode, sun_path1, 186 (int) sizeof(addr), (int) *len, 187 accept_fd, accept_inode); 188 189 memset(listen_sa, 0, sizeof(addr)); 190 *len = sizeof(addr); 191 if (getpeername(connect_fd, listen_sa, len)) 192 perror_msg_and_fail("getpeername"); 193 printf("getpeername(%d<socket:[%lu]>, {sa_family=AF_UNIX" 194 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", 195 connect_fd, connect_inode, av[1], 196 (int) sizeof(addr), (int) *len); 197 198 memset(accept_sa, 0, sizeof(addr)); 199 *len = sizeof(addr); 200 if (getsockname(connect_fd, accept_sa, len)) 201 perror_msg_and_fail("getsockname"); 202 printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX" 203 ", sun_path=@\"%s\"}, [%d->%d]) = 0\n", 204 connect_fd, connect_inode, sun_path1, 205 (int) sizeof(addr), (int) *len); 206 207 assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0) 208 == sizeof(text) - 1); 209 printf("sendto(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT" 210 ", NULL, 0) = %u\n", 211 connect_fd, connect_inode, text, 212 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); 213 214 assert(close(connect_fd) == 0); 215 printf("close(%d<socket:[%lu]>) = 0\n", connect_fd, connect_inode); 216 217 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL) 218 == sizeof(text) - 1); 219 printf("recvfrom(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT" 220 ", NULL, NULL) = %u\n", 221 accept_fd, accept_inode, text, 222 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); 223 224 assert(close(accept_fd) == 0); 225 printf("close(%d<socket:[%lu]>) = 0\n", accept_fd, accept_inode); 226 227 assert(unlink(av[1]) == 0); 228 229 assert(close(listen_fd) == 0); 230 printf("close(%d<socket:[%lu]>) = 0\n", 231 listen_fd, listen_inode); 232 233 puts("+++ exited with 0 +++"); 234 return 0; 235 } 236
