1 /* 2 * Copyright (c) 2015 Andreas Schwab <schwab (at) suse.de> 3 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org> 4 * Copyright (c) 2015-2017 The strace developers. 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 <errno.h> 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <sys/sem.h> 35 36 #include "xlat.h" 37 #include "xlat/resource_flags.h" 38 39 union semun { 40 int val; /* Value for SETVAL */ 41 struct semid_ds *buf; /* Buffer for IPC_STAT, IPC_SET */ 42 unsigned short *array; /* Array for GETALL, SETALL */ 43 struct seminfo *__buf; /* Buffer for IPC_INFO 44 (Linux-specific) */ 45 }; 46 47 static int id = -1; 48 49 static void 50 cleanup(void) 51 { 52 semctl(id, 0, IPC_RMID, 0); 53 printf("semctl\\(%d, 0, (IPC_64\\|)?IPC_RMID, \\[?NULL\\]?\\) += 0\n", 54 id); 55 id = -1; 56 } 57 58 int 59 main(void) 60 { 61 static const key_t private_key = 62 (key_t) (0xffffffff00000000ULL | IPC_PRIVATE); 63 static const key_t bogus_key = (key_t) 0xeca86420fdb97531ULL; 64 static const int bogus_semid = 0xfdb97531; 65 static const int bogus_semnum = 0xeca86420; 66 static const int bogus_size = 0xdec0ded1; 67 static const int bogus_flags = 0xface1e55; 68 static const int bogus_cmd = 0xdeadbeef; 69 static const unsigned long bogus_arg = 70 (unsigned long) 0xbadc0dedfffffaceULL; 71 72 int rc; 73 union semun un; 74 struct semid_ds ds; 75 struct seminfo info; 76 77 rc = semget(bogus_key, bogus_size, bogus_flags); 78 printf("semget\\(%#llx, %d, %s%s%s%#x\\|%#04o\\) += %s\n", 79 zero_extend_signed_to_ull(bogus_key), bogus_size, 80 IPC_CREAT & bogus_flags ? "IPC_CREAT\\|" : "", 81 IPC_EXCL & bogus_flags ? "IPC_EXCL\\|" : "", 82 IPC_NOWAIT & bogus_flags ? "IPC_NOWAIT\\|" : "", 83 bogus_flags & ~(0777 | IPC_CREAT | IPC_EXCL | IPC_NOWAIT), 84 bogus_flags & 0777, sprintrc_grep(rc)); 85 86 id = semget(private_key, 1, 0600); 87 if (id < 0) 88 perror_msg_and_skip("semget"); 89 printf("semget\\(IPC_PRIVATE, 1, 0600\\) += %d\n", id); 90 atexit(cleanup); 91 92 rc = semctl(bogus_semid, bogus_semnum, bogus_cmd, bogus_arg); 93 #define SEMCTL_BOGUS_ARG_FMT "(%#lx|\\[(%#lx|NULL)\\]|NULL)" 94 printf("semctl\\(%d, %d, (IPC_64\\|)?%#x /\\* SEM_\\?\\?\\? \\*/" 95 ", " SEMCTL_BOGUS_ARG_FMT "\\) += %s\n", 96 bogus_semid, bogus_semnum, bogus_cmd, 97 bogus_arg, bogus_arg, sprintrc_grep(rc)); 98 99 un.buf = &ds; 100 if (semctl(id, 0, IPC_STAT, un)) 101 perror_msg_and_skip("semctl IPC_STAT"); 102 printf("semctl\\(%d, 0, (IPC_64\\|)?IPC_STAT, \\[?%p\\]?\\) += 0\n", 103 id, &ds); 104 105 un.__buf = &info; 106 rc = semctl(0, 0, SEM_INFO, un); 107 printf("semctl\\(0, 0, (IPC_64\\|)?SEM_INFO, \\[?%p\\]?\\) += %s\n", 108 &info, sprintrc_grep(rc)); 109 110 un.buf = &ds; 111 rc = semctl(id, 0, SEM_STAT, un); 112 printf("semctl\\(%d, 0, (IPC_64\\|)?SEM_STAT, \\[?%p\\]?\\) += %s\n", 113 id, &ds, sprintrc_grep(rc)); 114 115 return 0; 116 } 117
