1 /* 2 * 3 * Copyright (c) International Business Machines Corp., 2001 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 20 /* 21 * Test Name: utime01 22 * 23 * Test Description: 24 * Verify that the system call utime() successfully sets the modification 25 * and access times of a file to the current time, if the times argument 26 * is null, and the user ID of the process is "root". 27 * 28 * Expected Result: 29 * utime succeeds returning zero and sets the access and modification 30 * times of the file to the current time. 31 * 32 * Algorithm: 33 * Setup: 34 * Setup signal handling. 35 * Create temporary directory. 36 * Pause for SIGUSR1 if option specified. 37 * 38 * Test: 39 * Loop if the proper options are given. 40 * Execute system call 41 * Check return code, if system call failed (return=-1) 42 * Log the errno and Issue a FAIL message. 43 * Otherwise, 44 * Verify the Functionality of system call 45 * if successful, 46 * Issue Functionality-Pass message. 47 * Otherwise, 48 * Issue Functionality-Fail message. 49 * Cleanup: 50 * Print errno log and/or timing stats if options given 51 * Delete the temporary directory created. 52 * 53 * Usage: <for command-line> 54 * utime01 [-c n] [-e] [-f] [-i n] [-I x] [-p x] [-t] 55 * where, -c n : Run n copies concurrently. 56 * -e : Turn on errno logging. 57 * -f : Turn off functionality Testing. 58 * -i n : Execute test n times. 59 * -I x : Execute test for x seconds. 60 * -P x : Pause for x seconds between iterations. 61 * -t : Turn on syscall timing. 62 * 63 * History 64 * 07/2001 John George 65 * -Ported 66 * 67 * Restrictions: 68 * This test should be run by 'super-user' (root) only. 69 * 70 */ 71 72 #include <stdio.h> 73 #include <unistd.h> 74 #include <sys/types.h> 75 #include <errno.h> 76 #include <fcntl.h> 77 #include <utime.h> 78 #include <string.h> 79 #include <sys/stat.h> 80 #include <signal.h> 81 #include <time.h> 82 83 #include "test.h" 84 #include "safe_macros.h" 85 86 #define TEMP_FILE "tmp_file" 87 #define FILE_MODE S_IRUSR | S_IRGRP | S_IROTH 88 89 char *TCID = "utime01"; 90 int TST_TOTAL = 1; 91 time_t curr_time; /* current time in seconds */ 92 93 void setup(); /* Main setup function of test */ 94 void cleanup(); /* cleanup function for the test */ 95 96 int main(int ac, char **av) 97 { 98 struct stat stat_buf; /* struct buffer to hold file info. */ 99 int lc; 100 long type; 101 time_t modf_time, access_time; 102 time_t pres_time; /* file modification/access/present time */ 103 104 tst_parse_opts(ac, av, NULL, NULL); 105 106 setup(); 107 108 switch ((type = tst_fs_type(cleanup, "."))) { 109 case TST_NFS_MAGIC: 110 if (tst_kvercmp(2, 6, 18) < 0) 111 tst_brkm(TCONF, cleanup, "Cannot do utime on a file" 112 " on %s filesystem before 2.6.18", 113 tst_fs_type_name(type)); 114 break; 115 case TST_V9FS_MAGIC: 116 tst_brkm(TCONF, cleanup, 117 "Cannot do utime on a file on %s filesystem", 118 tst_fs_type_name(type)); 119 break; 120 } 121 122 for (lc = 0; TEST_LOOPING(lc); lc++) { 123 124 tst_count = 0; 125 126 /* 127 * Invoke utime(2) to set TEMP_FILE access and 128 * modification times to the current time. 129 */ 130 TEST(utime(TEMP_FILE, NULL)); 131 132 if (TEST_RETURN == -1) { 133 tst_resm(TFAIL|TTERRNO, "utime(%s) failed", TEMP_FILE); 134 } else { 135 /* 136 * Sleep for a second so that mod time and 137 * access times will be different from the 138 * current time 139 */ 140 sleep(2); 141 142 /* 143 * Get the current time now, after calling 144 * utime(2) 145 */ 146 pres_time = time(NULL); 147 148 /* 149 * Get the modification and access times of 150 * temporary file using stat(2). 151 */ 152 SAFE_STAT(cleanup, TEMP_FILE, &stat_buf); 153 modf_time = stat_buf.st_mtime; 154 access_time = stat_buf.st_atime; 155 156 /* Now do the actual verification */ 157 if (modf_time <= curr_time || 158 modf_time >= pres_time || 159 access_time <= curr_time || 160 access_time >= pres_time) { 161 tst_resm(TFAIL, "%s access and " 162 "modification times not set", 163 TEMP_FILE); 164 } else { 165 tst_resm(TPASS, "Functionality of " 166 "utime(%s, NULL) successful", 167 TEMP_FILE); 168 } 169 } 170 tst_count++; 171 } 172 173 cleanup(); 174 tst_exit(); 175 } 176 177 /* 178 * void 179 * setup() - performs all ONE TIME setup for this test. 180 * Create a temporary directory and change directory to it. 181 * Create a test file under temporary directory and close it 182 */ 183 void setup(void) 184 { 185 int fildes; /* file handle for temp file */ 186 187 tst_require_root(); 188 189 tst_sig(FORK, DEF_HANDLER, cleanup); 190 191 TEST_PAUSE; 192 193 tst_tmpdir(); 194 195 /* Creat a temporary file under above directory */ 196 fildes = SAFE_CREAT(cleanup, TEMP_FILE, FILE_MODE); 197 198 /* Close the temporary file created */ 199 SAFE_CLOSE(cleanup, fildes); 200 201 /* Get the current time */ 202 curr_time = time(NULL); 203 204 /* 205 * Sleep for a second so that mod time and access times will be 206 * different from the current time 207 */ 208 sleep(2); /* sleep(1) on IA64 sometimes sleeps < 1 sec!! */ 209 210 } 211 212 /* 213 * void 214 * cleanup() - performs all ONE TIME cleanup for this test at 215 * completion or premature exit. 216 * Remove the test directory and testfile created in the setup. 217 */ 218 void cleanup(void) 219 { 220 221 tst_rmdir(); 222 223 } 224