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: utime05 22 * 23 * Test Description: 24 * Verify that the system call utime() successfully sets the modification 25 * and access times of a file to the value specified by the times argument 26 * under the following constraints, 27 * - The times argument is not 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 that specified by the times argument. 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 * utime05 [-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 <sys/types.h> 76 #include <errno.h> 77 #include <unistd.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 85 #include "test.h" 86 #include "safe_macros.h" 87 88 #define TEMP_FILE "tmp_file" 89 #define FILE_MODE S_IRUSR | S_IRGRP | S_IROTH 90 #define NEW_TIME 10000 91 92 char *TCID = "utime05"; 93 int TST_TOTAL = 1; 94 95 char nobody_uid[] = "nobody"; 96 struct passwd *ltpuser; 97 98 struct utimbuf times; /* struct. buffer for utime() */ 99 100 void setup(); /* Main setup function of test */ 101 void cleanup(); /* cleanup function for the test */ 102 103 int main(int ac, char **av) 104 { 105 struct stat stat_buf; /* struct buffer to hold file info. */ 106 int lc; 107 time_t modf_time, access_time; 108 /* file modification/access time */ 109 110 tst_parse_opts(ac, av, NULL, NULL); 111 112 setup(); 113 114 for (lc = 0; TEST_LOOPING(lc); lc++) { 115 116 tst_count = 0; 117 118 /* 119 * Invoke utime(2) to set TEMP_FILE access and 120 * modification times to that specified by 121 * times argument. 122 */ 123 TEST(utime(TEMP_FILE, ×)); 124 125 if (TEST_RETURN == -1) { 126 tst_resm(TFAIL|TTERRNO, "utime(%s) failed", TEMP_FILE); 127 } else { 128 /* 129 * Get the modification and access times of 130 * temporary file using stat(2). 131 */ 132 SAFE_STAT(cleanup, TEMP_FILE, &stat_buf); 133 modf_time = stat_buf.st_mtime; 134 access_time = stat_buf.st_atime; 135 136 /* Now do the actual verification */ 137 if ((modf_time != NEW_TIME) || 138 (access_time != NEW_TIME)) { 139 tst_resm(TFAIL, "%s access and " 140 "modification times not set", 141 TEMP_FILE); 142 } else { 143 tst_resm(TPASS, "Functionality of " 144 "utime(%s, ×) successful", 145 TEMP_FILE); 146 } 147 } 148 tst_count++; /* incr TEST_LOOP counter */ 149 } 150 151 cleanup(); 152 tst_exit(); 153 } 154 155 /* 156 * void 157 * setup() - performs all ONE TIME setup for this test. 158 * Create a temporary directory and change directory to it. 159 * Create a test file under temporary directory and close it 160 */ 161 void setup(void) 162 { 163 int fildes; /* file handle for temp file */ 164 165 tst_require_root(); 166 167 tst_sig(FORK, DEF_HANDLER, cleanup); 168 169 /* Switch to nobody user for correct error code collection */ 170 ltpuser = SAFE_GETPWNAM(NULL, nobody_uid); 171 SAFE_SETUID(NULL, ltpuser->pw_uid); 172 173 TEST_PAUSE; 174 175 tst_tmpdir(); 176 177 /* Creat a temporary file under above directory */ 178 fildes = SAFE_CREAT(cleanup, TEMP_FILE, FILE_MODE); 179 180 /* Close the temporary file created */ 181 SAFE_CLOSE(cleanup, fildes); 182 183 /* Initialize the modification and access time in the times arg */ 184 times.actime = NEW_TIME; 185 times.modtime = NEW_TIME; 186 187 } 188 189 /* 190 * void 191 * cleanup() - performs all ONE TIME cleanup for this test at 192 * completion or premature exit. 193 * Remove the test directory and testfile created in the setup. 194 */ 195 void cleanup(void) 196 { 197 198 tst_rmdir(); 199 200 } 201