1 /* 2 * Check decoding of accept syscall. 3 * 4 * Copyright (c) 2016 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 33 #include <unistd.h> 34 35 #include <asm/unistd.h> 36 37 #if defined __NR_accept 38 39 # ifndef TEST_SYSCALL_NAME 40 # define TEST_SYSCALL_NAME do_accept 41 42 # ifndef TEST_SYSCALL_STR 43 # define TEST_SYSCALL_STR "accept" 44 # endif 45 46 int do_accept(int sockfd, void *addr, void *addrlen) 47 { 48 return syscall(__NR_accept, sockfd, addr, addrlen); 49 } 50 # endif /* !TEST_SYSCALL_NAME */ 51 52 #else /* !__NR_accept */ 53 54 # ifndef TEST_SYSCALL_NAME 55 # define TEST_SYSCALL_NAME accept 56 # endif 57 58 #endif /* __NR_accept */ 59 60 #define TEST_SYSCALL_PREPARE connect_un() 61 static void connect_un(void); 62 #include "sockname.c" 63 64 static void 65 connect_un(void) 66 { 67 int cfd = socket(AF_UNIX, SOCK_STREAM, 0); 68 if (cfd < 0) 69 perror_msg_and_skip("socket"); 70 71 struct sockaddr_un un = { 72 .sun_family = AF_UNIX, 73 .sun_path = TEST_SOCKET ".connect" 74 }; 75 76 (void) unlink(un.sun_path); 77 if (bind(cfd, (const void *) &un, sizeof(un))) 78 perror_msg_and_skip("bind"); 79 (void) unlink(un.sun_path); 80 81 un.sun_path[sizeof(TEST_SOCKET) - 1] = '\0'; 82 if (connect(cfd, (const void *) &un, sizeof(un))) 83 perror_msg_and_skip("connect"); 84 } 85 86 int 87 main(void) 88 { 89 int lfd = socket(AF_UNIX, SOCK_STREAM, 0); 90 if (lfd < 0) 91 perror_msg_and_skip("socket"); 92 93 (void) unlink(TEST_SOCKET); 94 95 const struct sockaddr_un un = { 96 .sun_family = AF_UNIX, 97 .sun_path = TEST_SOCKET 98 }; 99 100 if (bind(lfd, (const void *) &un, sizeof(un))) 101 perror_msg_and_skip("bind"); 102 if (listen(lfd, 16)) 103 perror_msg_and_skip("listen"); 104 105 test_sockname_syscall(lfd); 106 107 (void) unlink(TEST_SOCKET); 108 109 puts("+++ exited with 0 +++"); 110 return 0; 111 } 112
