81 lines
2.7 KiB
C
81 lines
2.7 KiB
C
/*
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* Check decoding of umode_t type syscall arguments.
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*
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2016-2017 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 <unistd.h>
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#include <sys/stat.h>
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#ifndef TEST_SYSCALL_PREFIX_ARGS
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# define TEST_SYSCALL_PREFIX_ARGS
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#endif
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#ifndef TEST_SYSCALL_PREFIX_STR
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# define TEST_SYSCALL_PREFIX_STR ""
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#endif
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static const char *sample;
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static void
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test_syscall(unsigned short mode)
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{
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unsigned long lmode = (unsigned long) 0xffffffffffff0000ULL | mode;
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long rc = syscall(TEST_SYSCALL_NR, TEST_SYSCALL_PREFIX_ARGS
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sample, lmode);
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if (mode <= 07)
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printf("%s(%s\"%s\", 00%d) = %ld %s (%m)\n",
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TEST_SYSCALL_STR, TEST_SYSCALL_PREFIX_STR,
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sample, (int) mode, rc, errno2name());
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else
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printf("%s(%s\"%s\", %#03ho) = %ld %s (%m)\n",
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TEST_SYSCALL_STR, TEST_SYSCALL_PREFIX_STR,
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sample, mode, rc, errno2name());
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}
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int
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main(int ac, char **av)
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{
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sample = av[0];
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test_syscall(0);
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test_syscall(0xffff);
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test_syscall(06);
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test_syscall(060);
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test_syscall(0600);
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test_syscall(024);
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test_syscall(S_IFREG);
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test_syscall(S_IFDIR | 06);
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test_syscall(S_IFLNK | 060);
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test_syscall(S_IFIFO | 0600);
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test_syscall(S_IFCHR | 024);
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test_syscall((0xffff & ~S_IFMT) | S_IFBLK);
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puts("+++ exited with 0 +++");
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return 0;
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}
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