85 lines
3.2 KiB
C
85 lines
3.2 KiB
C
/*
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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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* 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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#define str_ro_nosuid_nodev_noexec "MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC"
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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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int rc = mount(source, target, fstype, 15, data);
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printf("mount(\"%s\", \"%s\", \"%s\", %s, \"%s\") = %d %s (%m)\n",
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source, target, fstype, str_ro_nosuid_nodev_noexec,
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data, rc, errno2name());
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rc = mount(source, target, fstype, MS_RELATIME | 15, data);
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printf("mount(\"%s\", \"%s\", \"%s\", %s, \"%s\") = %d %s (%m)\n",
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source, target, fstype,
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str_ro_nosuid_nodev_noexec "|MS_RELATIME",
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data, rc, errno2name());
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rc = mount(source, target, fstype, MS_MGC_VAL, data);
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printf("mount(\"%s\", \"%s\", \"%s\", %s, \"%s\") = %d %s (%m)\n",
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source, target, fstype, "MS_MGC_VAL", data, rc, errno2name());
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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\") = %d %s (%m)\n",
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source, target, fstype,
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"MS_MGC_VAL|" str_ro_nosuid_nodev_noexec,
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data, rc, errno2name());
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rc = mount(source, target, fstype, MS_REMOUNT, data);
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printf("mount(\"%s\", \"%s\", %p, %s, \"%s\") = %d %s (%m)\n",
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source, target, fstype, "MS_REMOUNT", data, rc, errno2name());
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rc = mount(source, target, fstype, MS_BIND, data);
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printf("mount(\"%s\", \"%s\", %p, %s, %p) = %d %s (%m)\n",
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source, target, fstype, "MS_BIND", data, rc, errno2name());
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puts("+++ exited with 0 +++");
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return 0;
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}
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