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: utime02 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, under the following 26 * constraints, 27 * - The times argument is null. 28 * - The user ID of the process is not "root". 29 * - The file is owned by the user ID of the process. 30 * 31 * Expected Result: 32 * utime succeeds returning zero and sets the access and modification 33 * times of the file to the current time. 34 * 35 * Algorithm: 36 * Setup: 37 * Setup signal handling. 38 * Create temporary directory. 39 * Pause for SIGUSR1 if option specified. 40 * 41 * Test: 42 * Loop if the proper options are given. 43 * Execute system call 44 * Check return code, if system call failed (return=-1) 45 * Log the errno and Issue a FAIL message. 46 * Otherwise, 47 * Verify the Functionality of system call 48 * if successful, 49 * Issue Functionality-Pass message. 50 * Otherwise, 51 * Issue Functionality-Fail message. 52 * Cleanup: 53 * Print errno log and/or timing stats if options given 54 * Delete the temporary directory created. 55 * 56 * Usage: <for command-line> 57 * utime02 [-c n] [-e] [-f] [-i n] [-I x] [-p x] [-t] 58 * where, -c n : Run n copies concurrently. 59 * -e : Turn on errno logging. 60 * -f : Turn off functionality Testing. 61 * -i n : Execute test n times. 62 * -I x : Execute test for x seconds. 63 * -P x : Pause for x seconds between iterations. 64 * -t : Turn on syscall timing. 65 * 66 * History 67 * 07/2001 John George 68 * -Ported 69 * 70 * Restrictions: 71 * 72 */ 73 74 #include <stdio.h> 75 #include <unistd.h> 76 #include <sys/types.h> 77 #include <errno.h> 78 #include <fcntl.h> 79 #include <utime.h> 80 #include <string.h> 81 #include <sys/stat.h> 82 #include <signal.h> 83 #include <pwd.h> 84 #include <time.h> 85 86 #include "test.h" 87 #include "safe_macros.h" 88 89 #define TEMP_FILE "tmp_file" 90 #define FILE_MODE S_IRUSR | S_IRGRP | S_IROTH 91 92 char *TCID = "utime02"; 93 int TST_TOTAL = 1; 94 time_t curr_time; /* current time in seconds */ 95 96 char nobody_uid[] = "nobody"; 97 struct passwd *ltpuser; 98 99 void setup(); /* Main setup function of test */ 100 void cleanup(); /* cleanup function for the test */ 101 102 int main(int ac, char **av) 103 { 104 struct stat stat_buf; /* struct buffer to hold file info. */ 105 int lc; 106 long type; 107 time_t modf_time, access_time; 108 time_t pres_time; /* file modification/access/present time */ 109 110 tst_parse_opts(ac, av, NULL, NULL); 111 112 setup(); 113 114 switch ((type = tst_fs_type(cleanup, "."))) { 115 case TST_NFS_MAGIC: 116 if (tst_kvercmp(2, 6, 18) < 0) 117 tst_brkm(TCONF, cleanup, "Cannot do utime on a file" 118 " on %s filesystem before 2.6.18", 119 tst_fs_type_name(type)); 120 break; 121 case TST_V9FS_MAGIC: 122 tst_brkm(TCONF, cleanup, 123 "Cannot do utime on a file on %s filesystem", 124 tst_fs_type_name(type)); 125 break; 126 } 127 128 for (lc = 0; TEST_LOOPING(lc); lc++) { 129 130 tst_count = 0; 131 132 /* 133 * Invoke utime(2) to set TEMP_FILE access and 134 * modification times to the current time. 135 */ 136 TEST(utime(TEMP_FILE, NULL)); 137 138 if (TEST_RETURN == -1) { 139 tst_resm(TFAIL|TTERRNO, "utime(%s) failed", TEMP_FILE); 140 } else { 141 /* 142 * Sleep for a second so that mod time and 143 * access times will be different from the 144 * current time 145 */ 146 sleep(2); 147 148 /* 149 * Get the current time now, after calling 150 * utime(2) 151 */ 152 pres_time = time(NULL); 153 154 /* 155 * Get the modification and access times of 156 * temporary file using stat(2). 157 */ 158 SAFE_STAT(cleanup, TEMP_FILE, &stat_buf); 159 modf_time = stat_buf.st_mtime; 160 access_time = stat_buf.st_atime; 161 162 /* Now do the actual verification */ 163 if (modf_time <= curr_time || 164 modf_time >= pres_time || 165 access_time <= curr_time || 166 access_time >= pres_time) { 167 tst_resm(TFAIL, "%s access and " 168 "modification times not set", 169 TEMP_FILE); 170 } else { 171 tst_resm(TPASS, "Functionality of " 172 "utime(%s, NULL) successful", 173 TEMP_FILE); 174 } 175 } 176 tst_count++; 177 } 178 179 cleanup(); 180 tst_exit(); 181 } 182 183 /* 184 * void 185 * setup() - performs all ONE TIME setup for this test. 186 * Create a temporary directory and change directory to it. 187 * Create a test file under temporary directory and close it 188 */ 189 void setup(void) 190 { 191 int fildes; /* file handle for temp file */ 192 193 tst_require_root(); 194 195 tst_sig(FORK, DEF_HANDLER, cleanup); 196 197 /* Switch to nobody user for correct error code collection */ 198 ltpuser = SAFE_GETPWNAM(NULL, nobody_uid); 199 SAFE_SETUID(NULL, ltpuser->pw_uid); 200 201 /* Pause if that option was specified 202 * TEST_PAUSE contains the code to fork the test with the -i option. 203 * You want to make sure you do this before you create your temporary 204 * directory. 205 */ 206 TEST_PAUSE; 207 208 tst_tmpdir(); 209 210 /* Creat a temporary file under above directory */ 211 fildes = SAFE_CREAT(cleanup, TEMP_FILE, FILE_MODE); 212 213 /* Close the temporary file created */ 214 SAFE_CLOSE(cleanup, fildes); 215 216 /* Get the current time */ 217 curr_time = time(NULL); 218 219 /* 220 * Sleep for a second so that mod time and access times will be 221 * different from the current time 222 */ 223 sleep(2); /* sleep(1) on IA64 sometimes sleeps < 1 sec!! */ 224 225 } 226 227 /* 228 * void 229 * cleanup() - performs all ONE TIME cleanup for this test at 230 * completion or premature exit. 231 * Remove the test directory and testfile created in the setup. 232 */ 233 void cleanup(void) 234 { 235 236 tst_rmdir(); 237 238 } 239
