1 /* 2 * This file is part of net-yy-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-yy-unix.socket" 44 45 int 46 main(void) 47 { 48 skip_if_unavailable("/proc/self/fd/"); 49 50 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<UNIX:[%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<UNIX:[%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<UNIX:[%lu,\"%s\"]>, 1) = 0\n", 78 listen_fd, listen_inode, TEST_SOCKET); 79 80 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, optval); 81 *len = sizeof(*optval); 82 if (getsockopt(listen_fd, SOL_SOCKET, SO_PASSCRED, optval, len)) 83 perror_msg_and_fail("getsockopt"); 84 printf("getsockopt(%d<UNIX:[%lu,\"%s\"]>, SOL_SOCKET, SO_PASSCRED" 85 ", [%u], [%u]) = 0\n", 86 listen_fd, listen_inode, TEST_SOCKET, *optval, (unsigned) *len); 87 88 memset(listen_sa, 0, sizeof(addr)); 89 *len = sizeof(addr); 90 if (getsockname(listen_fd, listen_sa, len)) 91 perror_msg_and_fail("getsockname"); 92 printf("getsockname(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX" 93 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode, 94 TEST_SOCKET, TEST_SOCKET, (int) sizeof(addr), (int) *len); 95 96 int connect_fd = socket(AF_UNIX, SOCK_STREAM, 0); 97 if (connect_fd < 0) 98 perror_msg_and_fail("socket"); 99 unsigned long connect_inode = inode_of_sockfd(connect_fd); 100 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n", 101 connect_fd, connect_inode); 102 103 if (connect(connect_fd, listen_sa, *len)) 104 perror_msg_and_fail("connect"); 105 printf("connect(%d<UNIX:[%lu]>, {sa_family=AF_UNIX" 106 ", sun_path=\"%s\"}, %u) = 0\n", 107 connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len); 108 109 struct sockaddr * const accept_sa = tail_alloc(sizeof(addr)); 110 memset(accept_sa, 0, sizeof(addr)); 111 *len = sizeof(addr); 112 int accept_fd = do_accept(listen_fd, accept_sa, len); 113 if (accept_fd < 0) 114 perror_msg_and_fail("accept"); 115 unsigned long accept_inode = inode_of_sockfd(accept_fd); 116 printf("accept(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX}" 117 ", [%d->%d]) = %d<UNIX:[%lu->%lu,\"%s\"]>\n", 118 listen_fd, listen_inode, TEST_SOCKET, 119 (int) sizeof(addr), (int) *len, 120 accept_fd, accept_inode, connect_inode, TEST_SOCKET); 121 122 memset(listen_sa, 0, sizeof(addr)); 123 *len = sizeof(addr); 124 if (getpeername(connect_fd, listen_sa, len)) 125 perror_msg_and_fail("getpeername"); 126 printf("getpeername(%d<UNIX:[%lu->%lu]>, {sa_family=AF_UNIX" 127 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", 128 connect_fd, connect_inode, 129 accept_inode, TEST_SOCKET, (int) sizeof(addr), (int) *len); 130 131 char text[] = "text"; 132 assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0) 133 == sizeof(text) - 1); 134 printf("sendto(%d<UNIX:[%lu->%lu]>, \"%s\", %u, MSG_DONTWAIT" 135 ", NULL, 0) = %u\n", 136 connect_fd, connect_inode, accept_inode, text, 137 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); 138 139 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL) 140 == sizeof(text) - 1); 141 printf("recvfrom(%d<UNIX:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT" 142 ", NULL, NULL) = %u\n", 143 accept_fd, accept_inode, connect_inode, TEST_SOCKET, text, 144 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); 145 146 assert(close(connect_fd) == 0); 147 printf("close(%d<UNIX:[%lu->%lu]>) = 0\n", 148 connect_fd, connect_inode, accept_inode); 149 150 assert(close(accept_fd) == 0); 151 printf("close(%d<UNIX:[%lu->%lu,\"%s\"]>) = 0\n", 152 accept_fd, accept_inode, connect_inode, TEST_SOCKET); 153 154 connect_fd = socket(AF_UNIX, SOCK_STREAM, 0); 155 if (connect_fd < 0) 156 perror_msg_and_fail("socket"); 157 connect_inode = inode_of_sockfd(connect_fd); 158 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n", 159 connect_fd, connect_inode); 160 161 *optval = 1; 162 *len = sizeof(*optval); 163 if (setsockopt(connect_fd, SOL_SOCKET, SO_PASSCRED, optval, *len)) 164 perror_msg_and_fail("setsockopt"); 165 printf("setsockopt(%d<UNIX:[%lu]>, SOL_SOCKET, SO_PASSCRED" 166 ", [%u], %u) = 0\n", 167 connect_fd, connect_inode, *optval, (unsigned) *len); 168 169 memset(listen_sa, 0, sizeof(addr)); 170 *len = sizeof(addr); 171 if (getsockname(listen_fd, listen_sa, len)) 172 perror_msg_and_fail("getsockname"); 173 printf("getsockname(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX" 174 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode, 175 TEST_SOCKET, TEST_SOCKET, (int) sizeof(addr), (int) *len); 176 177 if (connect(connect_fd, listen_sa, *len)) 178 perror_msg_and_fail("connect"); 179 printf("connect(%d<UNIX:[%lu]>, {sa_family=AF_UNIX" 180 ", sun_path=\"%s\"}, %u) = 0\n", 181 connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len); 182 183 memset(accept_sa, 0, sizeof(addr)); 184 *len = sizeof(addr); 185 accept_fd = do_accept(listen_fd, accept_sa, len); 186 if (accept_fd < 0) 187 perror_msg_and_fail("accept"); 188 accept_inode = inode_of_sockfd(accept_fd); 189 const char * const sun_path1 = 190 ((struct sockaddr_un *) accept_sa)->sun_path + 1; 191 printf("accept(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX" 192 ", sun_path=@\"%s\"}, [%d->%d]) = %d<UNIX:[%lu->%lu,\"%s\"]>\n", 193 listen_fd, listen_inode, TEST_SOCKET, sun_path1, 194 (int) sizeof(addr), (int) *len, 195 accept_fd, accept_inode, connect_inode, TEST_SOCKET); 196 197 memset(listen_sa, 0, sizeof(addr)); 198 *len = sizeof(addr); 199 if (getpeername(connect_fd, listen_sa, len)) 200 perror_msg_and_fail("getpeername"); 201 printf("getpeername(%d<UNIX:[%lu->%lu,@\"%s\"]>, {sa_family=AF_UNIX" 202 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", connect_fd, connect_inode, 203 accept_inode, sun_path1, TEST_SOCKET, (int) sizeof(addr), (int) *len); 204 205 assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0) 206 == sizeof(text) - 1); 207 printf("sendto(%d<UNIX:[%lu->%lu,@\"%s\"]>, \"%s\", %u, MSG_DONTWAIT" 208 ", NULL, 0) = %u\n", 209 connect_fd, connect_inode, accept_inode, sun_path1, text, 210 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); 211 212 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL) 213 == sizeof(text) - 1); 214 printf("recvfrom(%d<UNIX:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT" 215 ", NULL, NULL) = %u\n", 216 accept_fd, accept_inode, connect_inode, TEST_SOCKET, text, 217 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); 218 219 assert(close(connect_fd) == 0); 220 printf("close(%d<UNIX:[%lu->%lu,@\"%s\"]>) = 0\n", 221 connect_fd, connect_inode, accept_inode, sun_path1); 222 223 assert(close(accept_fd) == 0); 224 printf("close(%d<UNIX:[%lu->%lu,\"%s\"]>) = 0\n", 225 accept_fd, accept_inode, connect_inode, TEST_SOCKET); 226 227 assert(unlink(TEST_SOCKET) == 0); 228 229 assert(close(listen_fd) == 0); 230 printf("close(%d<UNIX:[%lu,\"%s\"]>) = 0\n", 231 listen_fd, listen_inode, TEST_SOCKET); 232 233 puts("+++ exited with 0 +++"); 234 return 0; 235 } 236