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221 lines
7.7 KiB
221 lines
7.7 KiB
/*
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* Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2015-2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/shm.h>
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#ifndef SHM_HUGE_SHIFT
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# define SHM_HUGE_SHIFT 26
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#endif
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#ifndef SHM_HUGE_MASK
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# define SHM_HUGE_MASK 0x3f
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#endif
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#ifndef SHM_STAT_ANY
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# define SHM_STAT_ANY 15
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#endif
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#include "xlat.h"
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#include "xlat/shm_resource_flags.h"
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#if XLAT_RAW
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# define str_ipc_flags "0x2ce1e00"
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# define str_shm_huge "21<<26"
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# define str_ipc_private "0"
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# define str_ipc_rmid "0"
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# define str_ipc_set "0x1"
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# define str_ipc_stat "0x2"
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# define str_shm_stat "0xd"
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# define str_shm_info "0xe"
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# define str_shm_stat_any "0xf"
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# define str_ipc_64 "0x100"
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# define str_bogus_cmd "0xdefaced2"
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#elif XLAT_VERBOSE
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# define str_ipc_flags \
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"0x2ce1e00 /\\* IPC_CREAT\\|IPC_EXCL\\|SHM_HUGETLB\\|SHM_NORESERVE" \
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"\\|0x2ce0000 \\*/"
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# define str_shm_huge "21<<26 /\\* SHM_HUGE_SHIFT \\*/"
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# define str_ipc_private "0 /\\* IPC_PRIVATE \\*/"
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# define str_ipc_rmid "0 /\\* IPC_RMID \\*/"
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# define str_ipc_set "0x1 /\\* IPC_SET \\*/"
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# define str_ipc_stat "0x2 /\\* IPC_STAT \\*/"
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# define str_shm_stat "0xd /\\* SHM_STAT \\*/"
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# define str_shm_info "0xe /\\* SHM_INFO \\*/"
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# define str_shm_stat_any "0xf /\\* SHM_STAT_ANY \\*/"
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# define str_ipc_64 "0x100 /\\* IPC_64 \\*/"
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# define str_bogus_cmd "0xdefaced2 /\\* SHM_\\?\\?\\? \\*/"
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#else
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# define str_ipc_flags \
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"IPC_CREAT\\|IPC_EXCL\\|SHM_HUGETLB\\|SHM_NORESERVE\\|0x2ce0000"
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# define str_shm_huge "21<<SHM_HUGE_SHIFT"
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# define str_ipc_private "IPC_PRIVATE"
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# define str_ipc_rmid "IPC_RMID"
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# define str_ipc_set "IPC_SET"
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# define str_ipc_stat "IPC_STAT"
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# define str_shm_stat "SHM_STAT"
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# define str_shm_info "SHM_INFO"
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# define str_shm_stat_any "SHM_STAT_ANY"
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# define str_ipc_64 "IPC_64"
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# define str_bogus_cmd "0xdefaced2 /\\* SHM_\\?\\?\\? \\*/"
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#endif
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static int id = -1;
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static void
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cleanup(void)
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{
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shmctl(id, IPC_RMID, NULL);
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printf("shmctl\\(%d, (%s\\|)?%s, NULL\\) = 0\n",
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id, str_ipc_64, str_ipc_rmid);
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id = -1;
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}
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int
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main(void)
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{
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static const key_t private_key =
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(key_t) (0xffffffff00000000ULL | IPC_PRIVATE);
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static const key_t bogus_key = (key_t) 0xeca86420fdb97531ULL;
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static const int bogus_id = 0xdefaced1;
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static const int bogus_cmd = 0xdefaced2;
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static void * const bogus_addr = (void *) -1L;
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static const size_t bogus_size =
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/*
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* musl sets size to SIZE_MAX if size argument is greater than
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* PTRDIFF_MAX - musl/src/ipc/shmget.c
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*/
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#ifdef __GLIBC__
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(size_t) 0xdec0ded1dec0ded2ULL;
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#else
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(size_t) 0x1e55c0de5dec0dedULL;
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#endif
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static const unsigned int bogus_ipc_shm_flags =
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IPC_CREAT | IPC_EXCL | SHM_HUGETLB | SHM_NORESERVE;
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static const unsigned int huge_mask = SHM_HUGE_MASK << SHM_HUGE_SHIFT;
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static const unsigned int huge_flags = 21 << SHM_HUGE_SHIFT;
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int bogus_flags;
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int rc;
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struct shmid_ds ds;
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rc = shmget(bogus_key, bogus_size, 0);
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printf("shmget\\(%#llx, %zu, 000\\) = %s\n",
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zero_extend_signed_to_ull(bogus_key), bogus_size,
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sprintrc_grep(rc));
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rc = shmget(bogus_key, bogus_size, huge_flags);
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printf("shmget\\(%#llx, %zu, %s\\|%#03o\\) = %s\n",
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zero_extend_signed_to_ull(bogus_key), bogus_size,
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str_shm_huge, 0, sprintrc_grep(rc));
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bogus_flags = 0xface1e55 & ~(bogus_ipc_shm_flags | huge_mask);
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rc = shmget(bogus_key, bogus_size, bogus_flags);
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printf("shmget\\(%#llx, %zu, %#x\\|%#03o\\) = %s\n",
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zero_extend_signed_to_ull(bogus_key), bogus_size,
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bogus_flags & ~0777,
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bogus_flags & 0777, sprintrc_grep(rc));
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bogus_flags |= bogus_ipc_shm_flags;
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rc = shmget(bogus_key, bogus_size, bogus_flags);
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printf("shmget\\(%#llx, %zu, %s\\|%#03o\\) = %s\n",
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zero_extend_signed_to_ull(bogus_key), bogus_size,
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str_ipc_flags,
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bogus_flags & 0777, sprintrc_grep(rc));
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bogus_flags |= huge_flags;
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rc = shmget(bogus_key, bogus_size, bogus_flags);
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printf("shmget\\(%#llx, %zu, %s\\|%s\\|%#03o\\) = %s\n",
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zero_extend_signed_to_ull(bogus_key), bogus_size,
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str_ipc_flags, str_shm_huge,
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bogus_flags & 0777, sprintrc_grep(rc));
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bogus_flags &= ~bogus_ipc_shm_flags;
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rc = shmget(bogus_key, bogus_size, bogus_flags);
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printf("shmget\\(%#llx, %zu, %#x\\|%s\\|%#03o\\) = %s\n",
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zero_extend_signed_to_ull(bogus_key), bogus_size,
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bogus_flags & ~(0777 | huge_mask),
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str_shm_huge,
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bogus_flags & 0777, sprintrc_grep(rc));
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id = shmget(private_key, 1, 0600);
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if (id < 0)
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perror_msg_and_skip("shmget");
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printf("shmget\\(%s, 1, 0600\\) = %d\n", str_ipc_private, id);
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atexit(cleanup);
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rc = shmctl(bogus_id, bogus_cmd, NULL);
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printf("shmctl\\(%d, (%s\\|)?%s, NULL\\) = %s\n",
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bogus_id, str_ipc_64, str_bogus_cmd, sprintrc_grep(rc));
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rc = shmctl(bogus_id, IPC_STAT, bogus_addr);
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printf("shmctl\\(%d, (%s\\|)?%s, %p\\) = %s\n",
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bogus_id, str_ipc_64, str_ipc_stat, bogus_addr,
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sprintrc_grep(rc));
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if (shmctl(id, IPC_STAT, &ds))
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perror_msg_and_skip("shmctl IPC_STAT");
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printf("shmctl\\(%d, (%s\\|)?%s, \\{shm_perm=\\{uid=%u, gid=%u, "
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"mode=%#o, key=%u, cuid=%u, cgid=%u\\}, shm_segsz=%u, shm_cpid=%u, "
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"shm_lpid=%u, shm_nattch=%u, shm_atime=%u, shm_dtime=%u, "
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"shm_ctime=%u\\}\\) = 0\n",
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id, str_ipc_64, str_ipc_stat,
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(unsigned) ds.shm_perm.uid, (unsigned) ds.shm_perm.gid,
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(unsigned) ds.shm_perm.mode, (unsigned) ds.shm_perm.__key,
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(unsigned) ds.shm_perm.cuid, (unsigned) ds.shm_perm.cgid,
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(unsigned) ds.shm_segsz, (unsigned) ds.shm_cpid,
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(unsigned) ds.shm_lpid, (unsigned) ds.shm_nattch,
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(unsigned) ds.shm_atime, (unsigned) ds.shm_dtime,
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(unsigned) ds. shm_ctime);
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if (shmctl(id, IPC_SET, &ds))
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perror_msg_and_skip("shmctl IPC_SET");
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printf("shmctl\\(%d, (%s\\|)?%s, \\{shm_perm=\\{uid=%u, gid=%u"
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", mode=%#o\\}, ...\\}\\) = 0\n",
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id, str_ipc_64, str_ipc_set,
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(unsigned) ds.shm_perm.uid, (unsigned) ds.shm_perm.gid,
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(unsigned) ds.shm_perm.mode);
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rc = shmctl(0, SHM_INFO, &ds);
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printf("shmctl\\(0, (%s\\|)?%s, %p\\) = %s\n",
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str_ipc_64, str_shm_info, &ds, sprintrc_grep(rc));
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rc = shmctl(id, SHM_STAT, &ds);
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printf("shmctl\\(%d, (%s\\|)?%s, %p\\) = %s\n",
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id, str_ipc_64, str_shm_stat, &ds, sprintrc_grep(rc));
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rc = shmctl(id, SHM_STAT_ANY, &ds);
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printf("shmctl\\(%d, (%s\\|)?%s, %p\\) = %s\n",
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id, str_ipc_64, str_shm_stat_any, &ds, sprintrc_grep(rc));
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return 0;
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}
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