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      1 /*
      2  * Copyright (c) 2015 Andreas Schwab <schwab (at) suse.de>
      3  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org>
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. The name of the author may not be used to endorse or promote products
     15  *    derived from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "tests.h"
     30 #include <errno.h>
     31 #include <stdio.h>
     32 #include <stdlib.h>
     33 #include <sys/sem.h>
     34 
     35 #include "xlat.h"
     36 #include "xlat/resource_flags.h"
     37 
     38 union semun {
     39 	int              val;    /* Value for SETVAL */
     40 	struct semid_ds *buf;    /* Buffer for IPC_STAT, IPC_SET */
     41 	unsigned short  *array;  /* Array for GETALL, SETALL */
     42 	struct seminfo  *__buf;  /* Buffer for IPC_INFO
     43 				    (Linux-specific) */
     44 };
     45 
     46 static int id = -1;
     47 
     48 static void
     49 cleanup(void)
     50 {
     51 	semctl(id, 0, IPC_RMID, 0);
     52 	printf("semctl\\(%d, 0, (IPC_64\\|)?IPC_RMID, \\[?NULL\\]?\\) += 0\n",
     53 	       id);
     54 	id = -1;
     55 }
     56 
     57 int
     58 main(void)
     59 {
     60 	static const key_t private_key =
     61 		(key_t) (0xffffffff00000000ULL | IPC_PRIVATE);
     62 	static const key_t bogus_key = (key_t) 0xeca86420fdb97531ULL;
     63 	static const int bogus_semid = 0xfdb97531;
     64 	static const int bogus_semnum = 0xeca86420;
     65 	static const int bogus_size = 0xdec0ded1;
     66 	static const int bogus_flags = 0xface1e55;
     67 	static const int bogus_cmd = 0xdeadbeef;
     68 	static const unsigned long bogus_arg =
     69 		(unsigned long) 0xbadc0dedfffffaceULL;
     70 
     71 	int rc;
     72 	union semun un;
     73 	struct semid_ds ds;
     74 	struct seminfo info;
     75 
     76 	rc = semget(bogus_key, bogus_size, bogus_flags);
     77 	printf("semget\\(%#llx, %d, %s%s%s%#x\\|%#04o\\) += %s\n",
     78 	       zero_extend_signed_to_ull(bogus_key), bogus_size,
     79 	       IPC_CREAT & bogus_flags ? "IPC_CREAT\\|" : "",
     80 	       IPC_EXCL & bogus_flags ? "IPC_EXCL\\|" : "",
     81 	       IPC_NOWAIT & bogus_flags ? "IPC_NOWAIT\\|" : "",
     82 	       bogus_flags & ~(0777 | IPC_CREAT | IPC_EXCL | IPC_NOWAIT),
     83 	       bogus_flags & 0777, sprintrc_grep(rc));
     84 
     85 	id = semget(private_key, 1, 0600);
     86 	if (id < 0)
     87 		perror_msg_and_skip("semget");
     88 	printf("semget\\(IPC_PRIVATE, 1, 0600\\) += %d\n", id);
     89 	atexit(cleanup);
     90 
     91 	rc = semctl(bogus_semid, bogus_semnum, bogus_cmd, bogus_arg);
     92 #define SEMCTL_BOGUS_ARG_FMT "(%#lx|\\[(%#lx|NULL)\\]|NULL)"
     93 	printf("semctl\\(%d, %d, (IPC_64\\|)?%#x /\\* SEM_\\?\\?\\? \\*/"
     94 	       ", " SEMCTL_BOGUS_ARG_FMT "\\) += %s\n",
     95 	       bogus_semid, bogus_semnum, bogus_cmd,
     96 	       bogus_arg, bogus_arg, sprintrc_grep(rc));
     97 
     98 	un.buf = &ds;
     99 	if (semctl(id, 0, IPC_STAT, un))
    100 		perror_msg_and_skip("semctl IPC_STAT");
    101 	printf("semctl\\(%d, 0, (IPC_64\\|)?IPC_STAT, \\[?%p\\]?\\) += 0\n",
    102 	       id, &ds);
    103 
    104 	un.__buf = &info;
    105 	rc = semctl(0, 0, SEM_INFO, un);
    106 	printf("semctl\\(0, 0, (IPC_64\\|)?SEM_INFO, \\[?%p\\]?\\) += %s\n",
    107 	       &info, sprintrc_grep(rc));
    108 
    109 	un.buf = &ds;
    110 	rc = semctl(id, 0, SEM_STAT, un);
    111 	printf("semctl\\(%d, 0, (IPC_64\\|)?SEM_STAT, \\[?%p\\]?\\) += %s\n",
    112 	       id, &ds, sprintrc_grep(rc));
    113 
    114 	return 0;
    115 }
    116