1 /* 2 * Copyright (c) 2015 Elvira Khabirova <lineprinter0 (at) gmail.com> 3 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org> 4 * Copyright (c) 2015-2018 The strace developers. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include "tests.h" 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <unistd.h> 34 #include <asm/unistd.h> 35 #include <sys/ipc.h> 36 #include <sys/msg.h> 37 #include <sys/stat.h> 38 39 #define text_string "STRACE_STRING" 40 #define msgsz sizeof(text_string) 41 42 static int msqid = -1; 43 44 #if XLAT_RAW 45 # define str_ipc_creat "0x200" 46 # define str_ipc_private "0" 47 # define str_ipc_rmid "0" 48 # define str_ipc_64 "0x100" 49 #elif XLAT_VERBOSE 50 # define str_ipc_creat "0x200 /\\* IPC_CREAT \\*/" 51 # define str_ipc_private "0 /\\* IPC_PRIVATE \\*/" 52 # define str_ipc_rmid "0 /\\* IPC_RMID \\*/" 53 # define str_ipc_64 "0x100 /\\* IPC_64 \\*/" 54 #else 55 # define str_ipc_creat "IPC_CREAT" 56 # define str_ipc_private "IPC_PRIVATE" 57 # define str_ipc_rmid "IPC_RMID" 58 # define str_ipc_64 "IPC_64" 59 #endif 60 61 static int 62 cleanup(void) 63 { 64 if (msqid != -1) { 65 int rc = msgctl(msqid, IPC_RMID, 0); 66 printf("msgctl\\(%d, (%s\\|)?%s, NULL\\) = 0\n", 67 msqid, str_ipc_64, str_ipc_rmid); 68 msqid = -1; 69 if (rc == -1) 70 return 77; 71 puts("\\+\\+\\+ exited with 0 \\+\\+\\+"); 72 } 73 return 0; 74 } 75 76 int 77 sys_msgrcv(int msqid, void *msgp, size_t sz, kernel_long_t msgtyp, 78 int msgflg) 79 { 80 #if defined __x86_64__ && defined __ILP32__ 81 return syscall(__NR_msgrcv, msqid, msgp, sz, msgtyp, msgflg); 82 #else 83 return msgrcv(msqid, msgp, sz, msgtyp, msgflg); 84 #endif 85 } 86 87 int 88 main(void) 89 { 90 /* mtype has to be positive */ 91 const kernel_long_t mtype = (kernel_long_t) 0x7facefed5adc0dedULL; 92 struct { 93 kernel_long_t mtype; 94 char mtext[msgsz]; 95 } msg = { 96 .mtype = mtype, 97 .mtext = text_string 98 }; 99 msqid = msgget(IPC_PRIVATE, IPC_CREAT | S_IRWXU); 100 if (msqid == -1) 101 perror_msg_and_skip("msgget"); 102 printf("msgget\\(%s, %s\\|0700\\) = %d\n", 103 str_ipc_private, str_ipc_creat, msqid); 104 105 typedef void (*atexit_func)(void); 106 atexit((atexit_func) cleanup); 107 108 printf("msgsnd\\(%d, \\{%lld, \"" text_string "\\\\0\"\\}, 14, 0\\)" 109 " = 0\n", 110 msqid, (long long) mtype); 111 if (msgsnd(msqid, &msg, msgsz, 0) == -1) 112 perror_msg_and_skip("msgsnd"); 113 114 if (sys_msgrcv(msqid, &msg, msgsz, -mtype, 0) != msgsz) 115 perror_msg_and_skip("msgrcv"); 116 printf("msgrcv\\(%d, \\{%lld, \"" text_string "\\\\0\"\\}, 14, %lld" 117 ", 0\\) = 14\n", 118 msqid, (long long) mtype, -(long long) mtype); 119 120 return cleanup(); 121 } 122
