1 /* 2 * Check decoding of fchmodat syscall. 3 * 4 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include "tests.h" 31 #include <asm/unistd.h> 32 33 #ifdef __NR_fchmodat 34 35 # include <fcntl.h> 36 # include <sys/stat.h> 37 # include <stdio.h> 38 # include <unistd.h> 39 40 int 41 main(void) 42 { 43 static const char sample[] = "fchmodat_sample"; 44 45 if (open(sample, O_RDONLY | O_CREAT, 0400) < 0) 46 perror_msg_and_fail("open"); 47 48 long rc = syscall(__NR_fchmodat, -100, sample, 0600); 49 printf("fchmodat(AT_FDCWD, \"%s\", 0600) = %s\n", 50 sample, sprintrc(rc)); 51 52 if (unlink(sample)) 53 perror_msg_and_fail("unlink"); 54 55 rc = syscall(__NR_fchmodat, -100, sample, 051); 56 printf("fchmodat(AT_FDCWD, \"%s\", 051) = %s\n", 57 sample, sprintrc(rc)); 58 59 rc = syscall(__NR_fchmodat, -100, sample, 004); 60 printf("fchmodat(AT_FDCWD, \"%s\", 004) = %s\n", 61 sample, sprintrc(rc)); 62 63 puts("+++ exited with 0 +++"); 64 return 0; 65 } 66 67 #else 68 69 SKIP_MAIN_UNDEFINED("__NR_fchmodat") 70 71 #endif 72