/* * Copyright (c) 2015 Andreas Schwab <schwab@suse.de> * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org> * Copyright (c) 2015-2017 The strace developers. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "tests.h" #include <errno.h> #include <stdio.h> #include <stdlib.h> #include <sys/sem.h> #include "xlat.h" #include "xlat/resource_flags.h" union semun { int val; /* Value for SETVAL */ struct semid_ds *buf; /* Buffer for IPC_STAT, IPC_SET */ unsigned short *array; /* Array for GETALL, SETALL */ struct seminfo *__buf; /* Buffer for IPC_INFO (Linux-specific) */ }; static int id = -1; static void cleanup(void) { semctl(id, 0, IPC_RMID, 0); printf("semctl\\(%d, 0, (IPC_64\\|)?IPC_RMID, \\[?NULL\\]?\\) += 0\n", id); id = -1; } int main(void) { static const key_t private_key = (key_t) (0xffffffff00000000ULL | IPC_PRIVATE); static const key_t bogus_key = (key_t) 0xeca86420fdb97531ULL; static const int bogus_semid = 0xfdb97531; static const int bogus_semnum = 0xeca86420; static const int bogus_size = 0xdec0ded1; static const int bogus_flags = 0xface1e55; static const int bogus_cmd = 0xdeadbeef; static const unsigned long bogus_arg = (unsigned long) 0xbadc0dedfffffaceULL; int rc; union semun un; struct semid_ds ds; struct seminfo info; rc = semget(bogus_key, bogus_size, bogus_flags); printf("semget\\(%#llx, %d, %s%s%s%#x\\|%#04o\\) += %s\n", zero_extend_signed_to_ull(bogus_key), bogus_size, IPC_CREAT & bogus_flags ? "IPC_CREAT\\|" : "", IPC_EXCL & bogus_flags ? "IPC_EXCL\\|" : "", IPC_NOWAIT & bogus_flags ? "IPC_NOWAIT\\|" : "", bogus_flags & ~(0777 | IPC_CREAT | IPC_EXCL | IPC_NOWAIT), bogus_flags & 0777, sprintrc_grep(rc)); id = semget(private_key, 1, 0600); if (id < 0) perror_msg_and_skip("semget"); printf("semget\\(IPC_PRIVATE, 1, 0600\\) += %d\n", id); atexit(cleanup); rc = semctl(bogus_semid, bogus_semnum, bogus_cmd, bogus_arg); #define SEMCTL_BOGUS_ARG_FMT "(%#lx|\\[(%#lx|NULL)\\]|NULL)" printf("semctl\\(%d, %d, (IPC_64\\|)?%#x /\\* SEM_\\?\\?\\? \\*/" ", " SEMCTL_BOGUS_ARG_FMT "\\) += %s\n", bogus_semid, bogus_semnum, bogus_cmd, bogus_arg, bogus_arg, sprintrc_grep(rc)); un.buf = &ds; if (semctl(id, 0, IPC_STAT, un)) perror_msg_and_skip("semctl IPC_STAT"); printf("semctl\\(%d, 0, (IPC_64\\|)?IPC_STAT, \\[?%p\\]?\\) += 0\n", id, &ds); un.__buf = &info; rc = semctl(0, 0, SEM_INFO, un); printf("semctl\\(0, 0, (IPC_64\\|)?SEM_INFO, \\[?%p\\]?\\) += %s\n", &info, sprintrc_grep(rc)); un.buf = &ds; rc = semctl(id, 0, SEM_STAT, un); printf("semctl\\(%d, 0, (IPC_64\\|)?SEM_STAT, \\[?%p\\]?\\) += %s\n", id, &ds, sprintrc_grep(rc)); return 0; }