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73 lines
2.3 KiB
73 lines
2.3 KiB
4 months ago
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/*
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* Check decoding of fchmod syscall.
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*
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* Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
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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 <asm/unistd.h>
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#ifdef __NR_fchmod
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# include <fcntl.h>
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# include <sys/stat.h>
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# include <stdio.h>
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# include <unistd.h>
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int
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main(void)
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{
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static const char fname[] = "fchmod_test_file";
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int fd = open(fname, O_CREAT|O_RDONLY, 0400);
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if (fd < 0)
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perror_msg_and_fail("open");
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if (unlink(fname))
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perror_msg_and_fail("unlink");
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long rc = syscall(__NR_fchmod, fd, 0600);
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printf("fchmod(%d, 0600) = %s\n", fd, sprintrc(rc));
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close(fd);
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rc = syscall(__NR_fchmod, fd, 051);
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printf("fchmod(%d, 051) = %s\n", fd, sprintrc(rc));
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rc = syscall(__NR_fchmod, fd, 004);
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printf("fchmod(%d, 004) = %s\n", fd, sprintrc(rc));
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_fchmod")
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#endif
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