/* * Copyright (c) 2015 Andreas Schwab * Copyright (c) 2015-2016 Dmitry V. Levin * Copyright (c) 2015-2018 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #include #include #include #include #include "xlat.h" #include "xlat/resource_flags.h" #ifndef SEM_STAT_ANY # define SEM_STAT_ANY 20 #endif #if XLAT_RAW # define str_ipc_flags "0xface1e00" # define str_ipc_private "0" # define str_ipc_rmid "0" # define str_ipc_stat "0x2" # define str_sem_stat "0x12" # define str_sem_info "0x13" # define str_sem_stat_any "0x14" # define str_ipc_64 "0x100" # define str_bogus_cmd "0xdeadbeef" #elif XLAT_VERBOSE # define str_ipc_flags \ "0xface1e00 /\\* IPC_CREAT\\|IPC_EXCL\\|IPC_NOWAIT\\|0xface1000 \\*/" # define str_ipc_private "0 /\\* IPC_PRIVATE \\*/" # define str_ipc_rmid "0 /\\* IPC_RMID \\*/" # define str_ipc_stat "0x2 /\\* IPC_STAT \\*/" # define str_sem_stat "0x12 /\\* SEM_STAT \\*/" # define str_sem_info "0x13 /\\* SEM_INFO \\*/" # define str_sem_stat_any "0x14 /\\* SEM_STAT_ANY \\*/" # define str_ipc_64 "0x100 /\\* IPC_64 \\*/" # define str_bogus_cmd "0xdeadbeef /\\* SEM_\\?\\?\\? \\*/" #else # define str_ipc_flags "IPC_CREAT\\|IPC_EXCL\\|IPC_NOWAIT\\|0xface1000" # define str_ipc_private "IPC_PRIVATE" # define str_ipc_rmid "IPC_RMID" # define str_ipc_stat "IPC_STAT" # define str_sem_stat "SEM_STAT" # define str_sem_info "SEM_INFO" # define str_sem_stat_any "SEM_STAT_ANY" # define str_ipc_64 "IPC_64" # define str_bogus_cmd "0xdeadbeef /\\* SEM_\\?\\?\\? \\*/" #endif 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, (%s\\|)?%s, \\[?NULL\\]?\\) = 0\n", id, str_ipc_64, str_ipc_rmid); 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\\|%#04o\\) = %s\n", zero_extend_signed_to_ull(bogus_key), bogus_size, str_ipc_flags, bogus_flags & 0777, sprintrc_grep(rc)); id = semget(private_key, 1, 0600); if (id < 0) perror_msg_and_skip("semget"); printf("semget\\(%s, 1, 0600\\) = %d\n", str_ipc_private, 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, (%s\\|)?%s, " SEMCTL_BOGUS_ARG_FMT "\\) = %s\n", bogus_semid, bogus_semnum, str_ipc_64, str_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, (%s\\|)?%s, \\[?%p\\]?\\) = 0\n", id, str_ipc_64, str_ipc_stat, &ds); un.__buf = &info; rc = semctl(0, 0, SEM_INFO, un); printf("semctl\\(0, 0, (%s\\|)?%s, \\[?%p\\]?\\) = %s\n", str_ipc_64, str_sem_info, &info, sprintrc_grep(rc)); un.buf = &ds; rc = semctl(id, 0, SEM_STAT, un); printf("semctl\\(%d, 0, (%s\\|)?%s, \\[?%p\\]?\\) = %s\n", id, str_ipc_64, str_sem_stat, &ds, sprintrc_grep(rc)); rc = semctl(id, 0, SEM_STAT_ANY, un); printf("semctl\\(%d, 0, (%s\\|)?%s, (%p|\\[(%p|NULL)\\]|NULL)\\) = %s\n", id, str_ipc_64, str_sem_stat_any, &ds, &ds, sprintrc_grep(rc)); return 0; }