granicus.if.org Git - strace/blob - tests/net-yy-unix.c

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