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136 lines
5.1 KiB
136 lines
5.1 KiB
/* |
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* Check decoding of mount syscall. |
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* |
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> |
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* Copyright (c) 2016-2018 The strace developers. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "tests.h" |
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#include <stdio.h> |
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#include <unistd.h> |
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#include <sys/mount.h> |
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#ifndef MS_MGC_VAL |
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# define MS_MGC_VAL 0xC0ED0000 |
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#endif |
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#ifndef MS_RELATIME |
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# define MS_RELATIME (1ul << 21) |
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#endif |
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#if XLAT_RAW |
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# define str_unknown "0x300" |
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# define str_submount_200 "0x4000200" |
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# define str_mgc_val "0xc0ed0000" |
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# define str_remount "0x20" |
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# define str_bind "0x1000" |
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# define str_ro_nosuid_nodev_noexec "0xf" |
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# define str_ro_nosuid_nodev_noexec_relatime "0x20000f" |
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#elif XLAT_VERBOSE |
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# define str_unknown "0x300 /* MS_??? */" |
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# define str_submount_200 "0x4000200 /* MS_SUBMOUNT|0x200 */" |
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# define str_mgc_val "0xc0ed0000 /* MS_MGC_VAL */" |
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# define str_remount "0x20 /* MS_REMOUNT */" |
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# define str_bind "0x1000 /* MS_BIND */" |
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# define str_ro_nosuid_nodev_noexec \ |
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"0xf /* MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC */" |
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# define str_ro_nosuid_nodev_noexec_relatime \ |
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"0x20000f /* MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_RELATIME */" |
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#else /* !XLAT_RAW && !XLAT_VERBOSE */ |
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# define str_unknown "0x300 /* MS_??? */" |
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# define str_submount_200 "MS_SUBMOUNT|0x200" |
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# define str_mgc_val "MS_MGC_VAL" |
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# define str_remount "MS_REMOUNT" |
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# define str_bind "MS_BIND" |
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# define str_ro_nosuid_nodev_noexec "MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC" |
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# define str_ro_nosuid_nodev_noexec_relatime \ |
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"MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_RELATIME" |
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#endif /* XLAT_RAW, XLAT_VERBOSE */ |
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int |
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main(void) |
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{ |
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static const char source[] = "mount_source"; |
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static const char target[] = "mount_target"; |
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static const char fstype[] = "mount_fstype"; |
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static const char data[] = "mount_data"; |
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TAIL_ALLOC_OBJECT_CONST_PTR(char, bogus); |
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bogus[0] = 'a'; |
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int rc = mount(NULL, NULL, NULL, 0, NULL); |
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printf("mount(NULL, NULL, NULL, 0, NULL) = %s\n", |
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sprintrc(rc)); |
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rc = mount(bogus, bogus, bogus, 768, bogus); |
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printf("mount(%p, %p, %p, %s, %p) = %s\n", |
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bogus, bogus, bogus, str_unknown, bogus, sprintrc(rc)); |
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rc = mount(bogus + 1, bogus + 1, bogus + 1, 0x4000200, bogus + 1); |
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printf("mount(%p, %p, %p, %s, %p) = %s\n", |
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bogus + 1, bogus + 1, bogus + 1, str_submount_200, |
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bogus + 1, sprintrc(rc)); |
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rc = mount(source, target, fstype, 15, data); |
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printf("mount(\"%s\", \"%s\", \"%s\", %s, \"%s\") = %s\n", |
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source, target, fstype, str_ro_nosuid_nodev_noexec, |
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data, sprintrc(rc)); |
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rc = mount(source, target, fstype, MS_RELATIME | 15, data); |
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printf("mount(\"%s\", \"%s\", \"%s\", %s, \"%s\") = %s\n", |
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source, target, fstype, |
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str_ro_nosuid_nodev_noexec_relatime, |
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data, sprintrc(rc)); |
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rc = mount(source, target, fstype, MS_MGC_VAL, data); |
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printf("mount(\"%s\", \"%s\", \"%s\", %s, \"%s\") = %s\n", |
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source, target, fstype, str_mgc_val, data, sprintrc(rc)); |
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rc = mount(source, target, fstype, MS_MGC_VAL | 15, data); |
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printf("mount(\"%s\", \"%s\", \"%s\", %s, \"%s\") = %s\n", |
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source, target, fstype, |
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str_mgc_val "|" str_ro_nosuid_nodev_noexec, |
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data, sprintrc(rc)); |
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rc = mount(source, target, NULL, MS_REMOUNT, data); |
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printf("mount(\"%s\", \"%s\", NULL, %s, \"%s\") = %s\n", |
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source, target, str_remount, data, sprintrc(rc)); |
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rc = mount(source, target, fstype, MS_REMOUNT, data); |
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printf("mount(\"%s\", \"%s\", %p, %s, \"%s\") = %s\n", |
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source, target, fstype, str_remount, data, sprintrc(rc)); |
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rc = mount(source, target, NULL, MS_BIND, data); |
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printf("mount(\"%s\", \"%s\", NULL, %s, %p) = %s\n", |
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source, target, str_bind, data, sprintrc(rc)); |
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rc = mount(source, target, fstype, MS_BIND, NULL); |
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printf("mount(\"%s\", \"%s\", %p, %s, NULL) = %s\n", |
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source, target, fstype, str_bind, sprintrc(rc)); |
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puts("+++ exited with 0 +++"); |
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return 0; |
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}
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