/*
* Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
* 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/shm.h>
#ifndef SHM_HUGE_SHIFT
# define SHM_HUGE_SHIFT 26
#endif
#ifndef SHM_HUGE_MASK
# define SHM_HUGE_MASK 0x3f
#endif
#include "xlat.h"
#include "xlat/shm_resource_flags.h"
static int id = -1;
static void
cleanup(void)
{
shmctl(id, IPC_RMID, NULL);
printf("shmctl\\(%d, (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_id = 0xdefaced1;
static const int bogus_cmd = 0xdefaced2;
static void * const bogus_addr = (void *) -1L;
static const size_t bogus_size =
/*
* musl sets size to SIZE_MAX if size argument is greater than
* PTRDIFF_MAX - musl/src/ipc/shmget.c
*/
#ifdef __GLIBC__
(size_t) 0xdec0ded1dec0ded2ULL;
#else
(size_t) 0x1e55c0de5dec0dedULL;
#endif
static const unsigned int bogus_ipc_shm_flags =
IPC_CREAT | IPC_EXCL | SHM_HUGETLB | SHM_NORESERVE;
static const unsigned int huge_mask = SHM_HUGE_MASK << SHM_HUGE_SHIFT;
static const unsigned int huge_flags = 21 << SHM_HUGE_SHIFT;
int bogus_flags;
int rc;
struct shmid_ds ds;
rc = shmget(bogus_key, bogus_size, 0);
printf("shmget\\(%#llx, %zu, 000\\) += %s\n",
zero_extend_signed_to_ull(bogus_key), bogus_size,
sprintrc_grep(rc));
rc = shmget(bogus_key, bogus_size, huge_flags);
printf("shmget\\(%#llx, %zu, %s\\|%#03o\\) += %s\n",
zero_extend_signed_to_ull(bogus_key), bogus_size,
"21<<SHM_HUGE_SHIFT", 0, sprintrc_grep(rc));
bogus_flags = 0xface1e55 & ~(bogus_ipc_shm_flags | huge_mask);
rc = shmget(bogus_key, bogus_size, bogus_flags);
printf("shmget\\(%#llx, %zu, %#x\\|%#03o\\) += %s\n",
zero_extend_signed_to_ull(bogus_key), bogus_size,
bogus_flags & ~0777,
bogus_flags & 0777, sprintrc_grep(rc));
bogus_flags |= bogus_ipc_shm_flags;
rc = shmget(bogus_key, bogus_size, bogus_flags);
printf("shmget\\(%#llx, %zu, %s\\|%#x\\|%#03o\\) += %s\n",
zero_extend_signed_to_ull(bogus_key), bogus_size,
"IPC_CREAT\\|IPC_EXCL\\|SHM_HUGETLB\\|SHM_NORESERVE",
bogus_flags & ~(0777 | bogus_ipc_shm_flags),
bogus_flags & 0777, sprintrc_grep(rc));
bogus_flags |= huge_flags;
rc = shmget(bogus_key, bogus_size, bogus_flags);
printf("shmget\\(%#llx, %zu, %s\\|%#x\\|%s\\|%#03o\\) += %s\n",
zero_extend_signed_to_ull(bogus_key), bogus_size,
"IPC_CREAT\\|IPC_EXCL\\|SHM_HUGETLB\\|SHM_NORESERVE",
bogus_flags & ~(0777 | bogus_ipc_shm_flags | huge_mask),
"21<<SHM_HUGE_SHIFT",
bogus_flags & 0777, sprintrc_grep(rc));
bogus_flags &= ~bogus_ipc_shm_flags;
rc = shmget(bogus_key, bogus_size, bogus_flags);
printf("shmget\\(%#llx, %zu, %#x\\|%s\\|%#03o\\) += %s\n",
zero_extend_signed_to_ull(bogus_key), bogus_size,
bogus_flags & ~(0777 | huge_mask),
"21<<SHM_HUGE_SHIFT",
bogus_flags & 0777, sprintrc_grep(rc));
id = shmget(private_key, 1, 0600);
if (id < 0)
perror_msg_and_skip("shmget");
printf("shmget\\(IPC_PRIVATE, 1, 0600\\) += %d\n", id);
atexit(cleanup);
rc = shmctl(bogus_id, bogus_cmd, NULL);
printf("shmctl\\(%d, (IPC_64\\|)?%#x /\\* SHM_\\?\\?\\? \\*/, NULL\\)"
" += %s\n", bogus_id, bogus_cmd, sprintrc_grep(rc));
rc = shmctl(bogus_id, IPC_STAT, bogus_addr);
printf("shmctl\\(%d, (IPC_64\\|)?IPC_STAT, %p\\) += %s\n",
bogus_id, bogus_addr, sprintrc_grep(rc));
if (shmctl(id, IPC_STAT, &ds))
perror_msg_and_skip("shmctl IPC_STAT");
printf("shmctl\\(%d, (IPC_64\\|)?IPC_STAT, \\{shm_perm=\\{uid=%u, gid=%u, "
"mode=%#o, key=%u, cuid=%u, cgid=%u\\}, shm_segsz=%u, shm_cpid=%u, "
"shm_lpid=%u, shm_nattch=%u, shm_atime=%u, shm_dtime=%u, "
"shm_ctime=%u\\}\\) += 0\n",
id, (unsigned) ds.shm_perm.uid, (unsigned) ds.shm_perm.gid,
(unsigned) ds.shm_perm.mode, (unsigned) ds.shm_perm.__key,
(unsigned) ds.shm_perm.cuid, (unsigned) ds.shm_perm.cgid,
(unsigned) ds.shm_segsz, (unsigned) ds.shm_cpid,
(unsigned) ds.shm_lpid, (unsigned) ds.shm_nattch,
(unsigned) ds.shm_atime, (unsigned) ds.shm_dtime,
(unsigned) ds. shm_ctime);
if (shmctl(id, IPC_SET, &ds))
perror_msg_and_skip("shmctl IPC_SET");
printf("shmctl\\(%d, (IPC_64\\|)?IPC_SET, \\{shm_perm=\\{uid=%u, gid=%u"
", mode=%#o\\}, ...\\}\\) += 0\n",
id, (unsigned) ds.shm_perm.uid, (unsigned) ds.shm_perm.gid,
(unsigned) ds.shm_perm.mode);
rc = shmctl(0, SHM_INFO, &ds);
printf("shmctl\\(0, (IPC_64\\|)?SHM_INFO, %p\\) += %s\n",
&ds, sprintrc_grep(rc));
rc = shmctl(id, SHM_STAT, &ds);
printf("shmctl\\(%d, (IPC_64\\|)?SHM_STAT, %p\\) += %s\n",
id, &ds, sprintrc_grep(rc));
return 0;
}