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 <errno.h> 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <sys/msg.h> 35 36 #include "xlat.h" 37 #include "xlat/resource_flags.h" 38 39 #ifndef MSG_STAT_ANY 40 # define MSG_STAT_ANY 13 41 #endif 42 43 /* 44 * Before glibc-2.22-122-gbe48165, ppc64 code tried to retrieve data 45 * provided in third argument of msgctl call (in case of IPC_SET cmd) 46 * which led to segmentation fault. 47 */ 48 #undef TEST_MSGCTL_BOGUS_ADDR 49 #if defined __GLIBC__ && defined POWERPC64 50 # if !(defined __GLIBC_MINOR__) \ 51 || ((__GLIBC__ << 16) + __GLIBC_MINOR__ < (2 << 16) + 23) 52 # define TEST_MSGCTL_BOGUS_ADDR 0 53 # endif 54 #endif /* __GLIBC__ && POWERPC64 */ 55 56 #ifndef TEST_MSGCTL_BOGUS_ADDR 57 # define TEST_MSGCTL_BOGUS_ADDR 1 58 #endif 59 60 #if XLAT_RAW 61 # define str_ipc_excl_nowait "0xface1c00" 62 # define str_ipc_private "0" 63 # define str_ipc_rmid "0" 64 # define str_ipc_set "0x1" 65 # define str_ipc_stat "0x2" 66 # define str_msg_stat "0xb" 67 # define str_msg_info "0xc" 68 # define str_msg_stat_any "0xd" 69 # define str_ipc_64 "0x100" 70 # define str_bogus_cmd "0xdeadbeef" 71 #elif XLAT_VERBOSE 72 # define str_ipc_excl_nowait \ 73 "0xface1c00 /\\* IPC_EXCL\\|IPC_NOWAIT\\|0xface1000 \\*/" 74 # define str_ipc_private "0 /\\* IPC_PRIVATE \\*/" 75 # define str_ipc_rmid "0 /\\* IPC_RMID \\*/" 76 # define str_ipc_set "0x1 /\\* IPC_SET \\*/" 77 # define str_ipc_stat "0x2 /\\* IPC_STAT \\*/" 78 # define str_msg_stat "0xb /\\* MSG_STAT \\*/" 79 # define str_msg_info "0xc /\\* MSG_INFO \\*/" 80 # define str_msg_stat_any "0xd /\\* MSG_STAT_ANY \\*/" 81 # define str_ipc_64 "0x100 /\\* IPC_64 \\*/" 82 # define str_bogus_cmd "0xdeadbeef /\\* MSG_\\?\\?\\? \\*/" 83 #else 84 # define str_ipc_excl_nowait "IPC_EXCL\\|IPC_NOWAIT\\|0xface1000" 85 # define str_ipc_private "IPC_PRIVATE" 86 # define str_ipc_rmid "IPC_RMID" 87 # define str_ipc_set "IPC_SET" 88 # define str_ipc_stat "IPC_STAT" 89 # define str_msg_stat "MSG_STAT" 90 # define str_msg_info "MSG_INFO" 91 # define str_msg_stat_any "MSG_STAT_ANY" 92 # define str_ipc_64 "IPC_64" 93 # define str_bogus_cmd "0xdeadbeef /\\* MSG_\\?\\?\\? \\*/" 94 #endif 95 96 static int id = -1; 97 98 static void 99 cleanup(void) 100 { 101 msgctl(id, IPC_RMID, NULL); 102 printf("msgctl\\(%d, (%s\\|)?%s, NULL\\) += 0\n", 103 id, str_ipc_64, str_ipc_rmid); 104 id = -1; 105 } 106 107 int 108 main(void) 109 { 110 static const key_t private_key = 111 (key_t) (0xffffffff00000000ULL | IPC_PRIVATE); 112 static const key_t bogus_key = (key_t) 0xeca86420fdb9f531ULL; 113 static const int bogus_msgid = 0xfdb97531; 114 static const int bogus_cmd = 0xdeadbeef; 115 #if TEST_MSGCTL_BOGUS_ADDR 116 static void * const bogus_addr = (void *) -1L; 117 #endif 118 static const int bogus_flags = 0xface1e55 & ~IPC_CREAT; 119 120 int rc; 121 struct msqid_ds ds; 122 123 rc = msgget(bogus_key, bogus_flags); 124 printf("msgget\\(%#llx, %s\\|%#04o\\) = %s\n", 125 zero_extend_signed_to_ull(bogus_key), 126 str_ipc_excl_nowait, 127 bogus_flags & 0777, sprintrc_grep(rc)); 128 129 id = msgget(private_key, 0600); 130 if (id < 0) 131 perror_msg_and_skip("msgget"); 132 printf("msgget\\(%s, 0600\\) = %d\n", str_ipc_private, id); 133 atexit(cleanup); 134 135 rc = msgctl(bogus_msgid, bogus_cmd, NULL); 136 printf("msgctl\\(%d, (%s\\|)?%s, NULL\\) = %s\n", 137 bogus_msgid, str_ipc_64, str_bogus_cmd, sprintrc_grep(rc)); 138 139 #if TEST_MSGCTL_BOGUS_ADDR 140 rc = msgctl(bogus_msgid, IPC_SET, bogus_addr); 141 printf("msgctl\\(%d, (%s\\|)?%s, %p\\) = %s\n", 142 bogus_msgid, str_ipc_64, str_ipc_set, bogus_addr, 143 sprintrc_grep(rc)); 144 #endif 145 146 if (msgctl(id, IPC_STAT, &ds)) 147 perror_msg_and_skip("msgctl IPC_STAT"); 148 printf("msgctl\\(%d, (%s\\|)?%s, \\{msg_perm=\\{uid=%u" 149 ", gid=%u, mode=%#o, key=%u, cuid=%u, cgid=%u\\}, msg_stime=%u" 150 ", msg_rtime=%u, msg_ctime=%u, msg_qnum=%u, msg_qbytes=%u" 151 ", msg_lspid=%u, msg_lrpid=%u\\}\\) = 0\n", 152 id, str_ipc_64, str_ipc_stat, 153 (unsigned) ds.msg_perm.uid, (unsigned) ds.msg_perm.gid, 154 (unsigned) ds.msg_perm.mode, (unsigned) ds.msg_perm.__key, 155 (unsigned) ds.msg_perm.cuid, (unsigned) ds.msg_perm.cgid, 156 (unsigned) ds.msg_stime, (unsigned) ds.msg_rtime, 157 (unsigned) ds.msg_ctime, (unsigned) ds.msg_qnum, 158 (unsigned) ds.msg_qbytes, (unsigned) ds.msg_lspid, 159 (unsigned) ds.msg_lrpid); 160 161 if (msgctl(id, IPC_SET, &ds)) 162 perror_msg_and_skip("msgctl IPC_SET"); 163 printf("msgctl\\(%d, (%s\\|)?%s, \\{msg_perm=\\{uid=%u" 164 ", gid=%u, mode=%#o\\}, ...\\}\\) = 0\n", 165 id, str_ipc_64, str_ipc_set, (unsigned) ds.msg_perm.uid, 166 (unsigned) ds.msg_perm.gid, (unsigned) ds.msg_perm.mode); 167 168 rc = msgctl(0, MSG_INFO, &ds); 169 printf("msgctl\\(0, (%s\\|)?%s, %p\\) = %s\n", 170 str_ipc_64, str_msg_info, &ds, sprintrc_grep(rc)); 171 172 rc = msgctl(id, MSG_STAT, &ds); 173 printf("msgctl\\(%d, (%s\\|)?%s, %p\\) = %s\n", 174 id, str_ipc_64, str_msg_stat, &ds, sprintrc_grep(rc)); 175 176 rc = msgctl(id, MSG_STAT_ANY, &ds); 177 printf("msgctl\\(%d, (%s\\|)?%s, %p\\) = %s\n", 178 id, str_ipc_64, str_msg_stat_any, &ds, sprintrc_grep(rc)); 179 180 return 0; 181 } 182
