1 /* 2 * Copyright (c) 2016 Anchit Jain <anchitjain1234 (at) gmail.com> 3 * Copyright (c) 2016 Dmitry V. Levin <ldv (at) altlinux.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "tests.h" 30 #include <asm/unistd.h> 31 32 #if defined __NR_chmod 33 34 #include <fcntl.h> 35 #include <stdio.h> 36 #include <unistd.h> 37 #include <errno.h> 38 39 int 40 main(void) 41 { 42 static const char fname[] = "chmod_test_file"; 43 44 if (open(fname, O_CREAT|O_RDONLY, 0400) < 0) 45 perror_msg_and_fail("open"); 46 47 long rc = syscall(__NR_chmod, fname, 0600); 48 printf("chmod(\"%s\", 0600) = %s\n", fname, sprintrc(rc)); 49 50 if (unlink(fname)) 51 perror_msg_and_fail("unlink"); 52 53 rc = syscall(__NR_chmod, fname, 051); 54 printf("chmod(\"%s\", 051) = %s\n", fname, sprintrc(rc)); 55 56 rc = syscall(__NR_chmod, fname, 004); 57 printf("chmod(\"%s\", 004) = %s\n", fname, sprintrc(rc)); 58 59 puts("+++ exited with 0 +++"); 60 return 0; 61 } 62 63 #else 64 65 SKIP_MAIN_UNDEFINED("__NR_chmod") 66 67 #endif 68
