1 /* 2 * Copyright (c) 2015 Elvira Khabirova <lineprinter0 (at) gmail.com> 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/msg.h> 34 35 #include "xlat.h" 36 #include "xlat/resource_flags.h" 37 38 /* 39 * Before glibc-2.22-122-gbe48165, ppc64 code tried to retrieve data 40 * provided in third argument of msgctl call (in case of IPC_SET cmd) 41 * which led to segmentation fault. 42 */ 43 #undef TEST_MSGCTL_BOGUS_ADDR 44 #if defined __GLIBC__ && defined POWERPC64 45 # if !(defined __GLIBC_MINOR__) \ 46 || ((__GLIBC__ << 16) + __GLIBC_MINOR__ < (2 << 16) + 23) 47 # define TEST_MSGCTL_BOGUS_ADDR 0 48 # endif 49 #endif /* __GLIBC__ && POWERPC64 */ 50 51 #ifndef TEST_MSGCTL_BOGUS_ADDR 52 # define TEST_MSGCTL_BOGUS_ADDR 1 53 #endif 54 55 static int id = -1; 56 57 static void 58 cleanup(void) 59 { 60 msgctl(id, IPC_RMID, NULL); 61 printf("msgctl\\(%d, (IPC_64\\|)?IPC_RMID, NULL\\) += 0\n", id); 62 id = -1; 63 } 64 65 int 66 main(void) 67 { 68 static const key_t private_key = 69 (key_t) (0xffffffff00000000ULL | IPC_PRIVATE); 70 static const key_t bogus_key = (key_t) 0xeca86420fdb97531ULL; 71 static const int bogus_msgid = 0xfdb97531; 72 static const int bogus_cmd = 0xdeadbeef; 73 #if TEST_MSGCTL_BOGUS_ADDR 74 static void * const bogus_addr = (void *) -1L; 75 #endif 76 static const int bogus_flags = 0xface1e55 & ~IPC_CREAT; 77 78 int rc; 79 struct msqid_ds ds; 80 81 rc = msgget(bogus_key, bogus_flags); 82 printf("msgget\\(%#llx, %s%s%s%#x\\|%#04o\\) += %s\n", 83 zero_extend_signed_to_ull(bogus_key), 84 IPC_CREAT & bogus_flags ? "IPC_CREAT\\|" : "", 85 IPC_EXCL & bogus_flags ? "IPC_EXCL\\|" : "", 86 IPC_NOWAIT & bogus_flags ? "IPC_NOWAIT\\|" : "", 87 bogus_flags & ~(0777 | IPC_CREAT | IPC_EXCL | IPC_NOWAIT), 88 bogus_flags & 0777, sprintrc_grep(rc)); 89 90 id = msgget(private_key, 0600); 91 if (id < 0) 92 perror_msg_and_skip("msgget"); 93 printf("msgget\\(IPC_PRIVATE, 0600\\) += %d\n", id); 94 atexit(cleanup); 95 96 rc = msgctl(bogus_msgid, bogus_cmd, NULL); 97 printf("msgctl\\(%d, (IPC_64\\|)?%#x /\\* MSG_\\?\\?\\? \\*/, NULL\\)" 98 " += %s\n", bogus_msgid, bogus_cmd, sprintrc_grep(rc)); 99 100 #if TEST_MSGCTL_BOGUS_ADDR 101 rc = msgctl(bogus_msgid, IPC_SET, bogus_addr); 102 printf("msgctl\\(%d, (IPC_64\\|)?IPC_SET, %p\\) += %s\n", 103 bogus_msgid, bogus_addr, sprintrc_grep(rc)); 104 #endif 105 106 if (msgctl(id, IPC_STAT, &ds)) 107 perror_msg_and_skip("msgctl IPC_STAT"); 108 printf("msgctl\\(%d, (IPC_64\\|)?IPC_STAT, \\{msg_perm=\\{uid=%u" 109 ", gid=%u, mode=%#o, key=%u, cuid=%u, cgid=%u\\}, msg_stime=%u" 110 ", msg_rtime=%u, msg_ctime=%u, msg_qnum=%u, msg_qbytes=%u" 111 ", msg_lspid=%u, msg_lrpid=%u\\}\\) += 0\n", 112 id, (unsigned) ds.msg_perm.uid, (unsigned) ds.msg_perm.gid, 113 (unsigned) ds.msg_perm.mode, (unsigned) ds.msg_perm.__key, 114 (unsigned) ds.msg_perm.cuid, (unsigned) ds.msg_perm.cgid, 115 (unsigned) ds.msg_stime, (unsigned) ds.msg_rtime, 116 (unsigned) ds.msg_ctime, (unsigned) ds.msg_qnum, 117 (unsigned) ds.msg_qbytes, (unsigned) ds.msg_lspid, 118 (unsigned) ds.msg_lrpid); 119 120 if (msgctl(id, IPC_SET, &ds)) 121 perror_msg_and_skip("msgctl IPC_SET"); 122 printf("msgctl\\(%d, (IPC_64\\|)?IPC_SET, \\{msg_perm=\\{uid=%u" 123 ", gid=%u, mode=%#o\\}, ...\\}\\) += 0\n", 124 id, (unsigned) ds.msg_perm.uid, (unsigned) ds.msg_perm.gid, 125 (unsigned) ds.msg_perm.mode); 126 127 rc = msgctl(0, MSG_INFO, &ds); 128 printf("msgctl\\(0, (IPC_64\\|)?MSG_INFO, %p\\) += %s\n", 129 &ds, sprintrc_grep(rc)); 130 131 rc = msgctl(id, MSG_STAT, &ds); 132 printf("msgctl\\(%d, (IPC_64\\|)?MSG_STAT, %p\\) += %s\n", 133 id, &ds, sprintrc_grep(rc)); 134 135 return 0; 136 } 137
