145 lines
5.2 KiB
C
145 lines
5.2 KiB
C
/*
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* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2015-2018 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 <stdio.h>
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#include <sys/personality.h>
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#if XLAT_RAW
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# define linux_type_str "0"
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# define good_type_str "0x6"
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# define bad_type_str "0x1f"
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# define good_flags_str "0x7000000"
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# define bad_flags_str "0x10000"
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# define good_bad_flags_str "0x7010000"
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#elif XLAT_VERBOSE
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# define linux_type_str "0 /\\* PER_LINUX \\*/"
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# define good_type_str "0x6 /\\* PER_BSD \\*/"
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# define bad_type_str "0x1f /\\* PER_\\?\\?\\? \\*/"
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# define good_flags_str \
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"0x7000000 /\\* SHORT_INODE\\|WHOLE_SECONDS\\|STICKY_TIMEOUTS \\*/"
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# define bad_flags_str "0x10000"
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# define good_bad_flags_str \
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"0x7010000 /\\* SHORT_INODE\\|WHOLE_SECONDS\\|STICKY_TIMEOUTS" \
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"\\|0x10000 \\*/"
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#else
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# define linux_type_str "PER_LINUX"
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# define good_type_str "PER_BSD"
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# define bad_type_str "0x1f /\\* PER_\\?\\?\\? \\*/"
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# define good_flags_str "SHORT_INODE\\|WHOLE_SECONDS\\|STICKY_TIMEOUTS"
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# define bad_flags_str "0x10000"
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# define good_bad_flags_str \
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"SHORT_INODE\\|WHOLE_SECONDS\\|STICKY_TIMEOUTS\\|0x10000"
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#endif
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int main(void)
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{
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const unsigned int good_type = PER_BSD;
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const unsigned int bad_type = 0x1f;
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const unsigned int good_flags =
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SHORT_INODE | WHOLE_SECONDS | STICKY_TIMEOUTS;
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const unsigned int bad_flags = 0x10000;
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const unsigned int saved_pers = personality(0xffffffff);
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printf("personality\\(0xffffffff\\) = %#x \\([^)]*\\)\n", saved_pers);
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/* PER_LINUX */
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personality(PER_LINUX);
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printf("personality\\(%s\\) = %#x \\([^)]*\\)\n",
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linux_type_str, saved_pers);
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personality(0xffffffff);
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printf("personality\\(0xffffffff\\) = 0 \\(%s\\)\n", linux_type_str);
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personality(good_flags);
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printf("personality\\(%s\\|%s\\) = 0 \\(%s\\)\n",
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linux_type_str, good_flags_str, linux_type_str);
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personality(bad_flags);
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printf("personality\\(%s\\|%s\\)"
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" = %#x \\(%s\\|%s\\)\n",
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linux_type_str, bad_flags_str,
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good_flags, linux_type_str, good_flags_str);
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personality(good_flags | bad_flags);
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printf("personality\\(%s\\|%s\\)"
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" = %#x \\(%s\\|%s\\)\n",
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linux_type_str, good_bad_flags_str,
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bad_flags, linux_type_str, bad_flags_str);
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/* another valid type */
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personality(good_type);
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printf("personality\\(%s\\) = %#x \\(%s\\|%s\\)\n",
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good_type_str, good_flags | bad_flags,
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linux_type_str, good_bad_flags_str);
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personality(good_type | good_flags);
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printf("personality\\(%s\\|%s\\) = %#x \\(%s\\)\n",
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good_type_str, good_flags_str, good_type, good_type_str);
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personality(good_type | bad_flags);
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printf("personality\\(%s\\|%s\\) = %#x \\(%s\\|%s\\)\n",
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good_type_str, bad_flags_str, good_type | good_flags,
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good_type_str, good_flags_str);
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personality(good_type | good_flags | bad_flags);
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printf("personality\\(%s\\|%s\\) = %#x \\(%s\\|%s\\)\n",
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good_type_str, good_bad_flags_str,
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good_type | bad_flags,
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good_type_str, bad_flags_str);
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/* invalid type */
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personality(bad_type);
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printf("personality\\(%s\\) = %#x \\(%s\\|%s\\)\n",
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bad_type_str, good_type | good_flags | bad_flags,
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good_type_str, good_bad_flags_str);
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personality(bad_type | good_flags);
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printf("personality\\(%s\\|%s\\) = %#x \\(%s\\)\n",
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bad_type_str, good_flags_str, bad_type, bad_type_str);
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personality(bad_type | bad_flags);
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printf("personality\\(%s\\|%s\\) = %#x \\(%s\\|%s\\)\n",
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bad_type_str, bad_flags_str, bad_type | good_flags,
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bad_type_str, good_flags_str);
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personality(bad_type | good_flags | bad_flags);
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printf("personality\\(%s\\|%s\\) = %#x \\(%s\\|%s\\)\n",
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bad_type_str, good_bad_flags_str,
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bad_type | bad_flags, bad_type_str, bad_flags_str);
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personality(saved_pers);
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printf("personality\\([^)]*\\) = %#x \\(%s\\|%s\\)\n",
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bad_type | good_flags | bad_flags,
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bad_type_str, good_bad_flags_str);
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return 0;
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}
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