1 /****************************************************************************** 2 * 3 * Copyright (c) International Business Machines Corp., 2006 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 13 * the GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 * 19 * NAME 20 * fchmodat01.c 21 * 22 * DESCRIPTION 23 * This test case will verify basic function of fchmodat 24 * added by kernel 2.6.16 or up. 25 * 26 * Author 27 * Yi Yang <yyangcdl (at) cn.ibm.com> 28 * 29 * History 30 * 08/28/2006 Created first by Yi Yang <yyangcdl (at) cn.ibm.com> 31 * 32 *****************************************************************************/ 33 34 #define _GNU_SOURCE 35 36 #include <sys/types.h> 37 #include <sys/stat.h> 38 #include <fcntl.h> 39 #include <unistd.h> 40 #include <stdlib.h> 41 #include <errno.h> 42 #include <string.h> 43 #include <signal.h> 44 #include "test.h" 45 #include "safe_macros.h" 46 #include "lapi/syscalls.h" 47 48 #define TEST_CASES 6 49 #ifndef AT_FDCWD 50 #define AT_FDCWD -100 51 #endif 52 void setup(); 53 void cleanup(); 54 55 char *TCID = "fchmodat01"; 56 int TST_TOTAL = TEST_CASES; 57 char pathname[256]; 58 char testfile[256]; 59 char testfile2[256]; 60 char testfile3[256]; 61 int fds[TEST_CASES]; 62 char *filenames[TEST_CASES]; 63 int expected_errno[TEST_CASES] = { 0, 0, ENOTDIR, EBADF, 0, 0 }; 64 65 int myfchmodat(int dirfd, const char *filename, mode_t mode) 66 { 67 return ltp_syscall(__NR_fchmodat, dirfd, filename, mode); 68 } 69 70 int main(int ac, char **av) 71 { 72 int lc; 73 int i; 74 75 /* Disable test if the version of the kernel is less than 2.6.16 */ 76 if ((tst_kvercmp(2, 6, 16)) < 0) { 77 tst_resm(TWARN, "This test can only run on kernels that are "); 78 tst_resm(TWARN, "2.6.16 and higher"); 79 exit(0); 80 } 81 82 tst_parse_opts(ac, av, NULL, NULL); 83 84 setup(); 85 86 for (lc = 0; TEST_LOOPING(lc); lc++) { 87 tst_count = 0; 88 89 for (i = 0; i < TST_TOTAL; i++) { 90 TEST(myfchmodat(fds[i], filenames[i], 0600)); 91 92 if (TEST_ERRNO == expected_errno[i]) { 93 tst_resm(TPASS, 94 "fchmodat() returned the expected errno %d: %s", 95 TEST_ERRNO, strerror(TEST_ERRNO)); 96 } else { 97 tst_resm(TFAIL, 98 "fchmodat() Failed, errno=%d : %s", 99 TEST_ERRNO, strerror(TEST_ERRNO)); 100 } 101 } 102 } 103 104 cleanup(); 105 tst_exit(); 106 } 107 108 void setup(void) 109 { 110 tst_sig(NOFORK, DEF_HANDLER, cleanup); 111 112 tst_tmpdir(); 113 114 /* Initialize test dir and file names */ 115 char *abs_path = tst_get_tmpdir(); 116 int p = getpid(); 117 118 sprintf(pathname, "fchmodattestdir%d", p); 119 sprintf(testfile, "fchmodattest%d.txt", p); 120 sprintf(testfile2, "%s/fchmodattest%d.txt", abs_path, p); 121 sprintf(testfile3, "fchmodattestdir%d/fchmodattest%d.txt", p, p); 122 123 free(abs_path); 124 125 SAFE_MKDIR(cleanup, pathname, 0700); 126 127 fds[0] = SAFE_OPEN(cleanup, pathname, O_DIRECTORY); 128 fds[1] = fds[4] = fds[0]; 129 130 SAFE_FILE_PRINTF(cleanup, testfile, "%s", testfile); 131 SAFE_FILE_PRINTF(cleanup, testfile2, "%s", testfile2); 132 133 fds[2] = SAFE_OPEN(cleanup, testfile3, O_CREAT | O_RDWR, 0600); 134 fds[3] = 100; 135 fds[5] = AT_FDCWD; 136 137 filenames[0] = filenames[2] = filenames[3] = filenames[4] = testfile; 138 filenames[1] = testfile2; 139 filenames[5] = testfile3; 140 141 TEST_PAUSE; 142 } 143 144 void cleanup(void) 145 { 146 if (fds[0] > 0) 147 close(fds[0]); 148 if (fds[2] > 0) 149 close(fds[2]); 150 151 tst_rmdir(); 152 } 153