| /* |
| * Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com> |
| * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org> |
| * 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/msg.h> |
| |
| #include "xlat.h" |
| #include "xlat/resource_flags.h" |
| |
| /* |
| * Before glibc-2.22-122-gbe48165, ppc64 code tried to retrieve data |
| * provided in third argument of msgctl call (in case of IPC_SET cmd) |
| * which led to segmentation fault. |
| */ |
| #undef TEST_MSGCTL_BOGUS_ADDR |
| #if defined __GLIBC__ && defined POWERPC64 |
| # if !(defined __GLIBC_MINOR__) \ |
| || ((__GLIBC__ << 16) + __GLIBC_MINOR__ < (2 << 16) + 23) |
| # define TEST_MSGCTL_BOGUS_ADDR 0 |
| # endif |
| #endif /* __GLIBC__ && POWERPC64 */ |
| |
| #ifndef TEST_MSGCTL_BOGUS_ADDR |
| # define TEST_MSGCTL_BOGUS_ADDR 1 |
| #endif |
| |
| static int id = -1; |
| |
| static void |
| cleanup(void) |
| { |
| msgctl(id, IPC_RMID, NULL); |
| printf("msgctl\\(%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_msgid = 0xfdb97531; |
| static const int bogus_cmd = 0xdeadbeef; |
| #if TEST_MSGCTL_BOGUS_ADDR |
| static void * const bogus_addr = (void *) -1L; |
| #endif |
| static const int bogus_flags = 0xface1e55 & ~IPC_CREAT; |
| |
| int rc; |
| struct msqid_ds ds; |
| |
| rc = msgget(bogus_key, bogus_flags); |
| printf("msgget\\(%#llx, %s%s%s%#x\\|%#04o\\) += %s\n", |
| zero_extend_signed_to_ull(bogus_key), |
| IPC_CREAT & bogus_flags ? "IPC_CREAT\\|" : "", |
| IPC_EXCL & bogus_flags ? "IPC_EXCL\\|" : "", |
| IPC_NOWAIT & bogus_flags ? "IPC_NOWAIT\\|" : "", |
| bogus_flags & ~(0777 | IPC_CREAT | IPC_EXCL | IPC_NOWAIT), |
| bogus_flags & 0777, sprintrc_grep(rc)); |
| |
| id = msgget(private_key, 0600); |
| if (id < 0) |
| perror_msg_and_skip("msgget"); |
| printf("msgget\\(IPC_PRIVATE, 0600\\) += %d\n", id); |
| atexit(cleanup); |
| |
| rc = msgctl(bogus_msgid, bogus_cmd, NULL); |
| printf("msgctl\\(%d, (IPC_64\\|)?%#x /\\* MSG_\\?\\?\\? \\*/, NULL\\)" |
| " += %s\n", bogus_msgid, bogus_cmd, sprintrc_grep(rc)); |
| |
| #if TEST_MSGCTL_BOGUS_ADDR |
| rc = msgctl(bogus_msgid, IPC_SET, bogus_addr); |
| printf("msgctl\\(%d, (IPC_64\\|)?IPC_SET, %p\\) += %s\n", |
| bogus_msgid, bogus_addr, sprintrc_grep(rc)); |
| #endif |
| |
| if (msgctl(id, IPC_STAT, &ds)) |
| perror_msg_and_skip("msgctl IPC_STAT"); |
| printf("msgctl\\(%d, (IPC_64\\|)?IPC_STAT, \\{msg_perm=\\{uid=%u" |
| ", gid=%u, mode=%#o, key=%u, cuid=%u, cgid=%u\\}, msg_stime=%u" |
| ", msg_rtime=%u, msg_ctime=%u, msg_qnum=%u, msg_qbytes=%u" |
| ", msg_lspid=%u, msg_lrpid=%u\\}\\) += 0\n", |
| id, (unsigned) ds.msg_perm.uid, (unsigned) ds.msg_perm.gid, |
| (unsigned) ds.msg_perm.mode, (unsigned) ds.msg_perm.__key, |
| (unsigned) ds.msg_perm.cuid, (unsigned) ds.msg_perm.cgid, |
| (unsigned) ds.msg_stime, (unsigned) ds.msg_rtime, |
| (unsigned) ds.msg_ctime, (unsigned) ds.msg_qnum, |
| (unsigned) ds.msg_qbytes, (unsigned) ds.msg_lspid, |
| (unsigned) ds.msg_lrpid); |
| |
| if (msgctl(id, IPC_SET, &ds)) |
| perror_msg_and_skip("msgctl IPC_SET"); |
| printf("msgctl\\(%d, (IPC_64\\|)?IPC_SET, \\{msg_perm=\\{uid=%u" |
| ", gid=%u, mode=%#o\\}, ...\\}\\) += 0\n", |
| id, (unsigned) ds.msg_perm.uid, (unsigned) ds.msg_perm.gid, |
| (unsigned) ds.msg_perm.mode); |
| |
| rc = msgctl(0, MSG_INFO, &ds); |
| printf("msgctl\\(0, (IPC_64\\|)?MSG_INFO, %p\\) += %s\n", |
| &ds, sprintrc_grep(rc)); |
| |
| rc = msgctl(id, MSG_STAT, &ds); |
| printf("msgctl\\(%d, (IPC_64\\|)?MSG_STAT, %p\\) += %s\n", |
| id, &ds, sprintrc_grep(rc)); |
| |
| return 0; |
| } |