symlink04.c revision fa31d55d3486830313bd044f7333697ce6124d22
1865695bbc89088b9526ea9045410e5afb70a985cplars/* 2865695bbc89088b9526ea9045410e5afb70a985cplars * 3865695bbc89088b9526ea9045410e5afb70a985cplars * Copyright (c) International Business Machines Corp., 2001 4865695bbc89088b9526ea9045410e5afb70a985cplars * 5865695bbc89088b9526ea9045410e5afb70a985cplars * This program is free software; you can redistribute it and/or modify 6865695bbc89088b9526ea9045410e5afb70a985cplars * it under the terms of the GNU General Public License as published by 7865695bbc89088b9526ea9045410e5afb70a985cplars * the Free Software Foundation; either version 2 of the License, or 8865695bbc89088b9526ea9045410e5afb70a985cplars * (at your option) any later version. 9865695bbc89088b9526ea9045410e5afb70a985cplars * 10865695bbc89088b9526ea9045410e5afb70a985cplars * This program is distributed in the hope that it will be useful, 11865695bbc89088b9526ea9045410e5afb70a985cplars * but WITHOUT ANY WARRANTY; without even the implied warranty of 12865695bbc89088b9526ea9045410e5afb70a985cplars * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 13865695bbc89088b9526ea9045410e5afb70a985cplars * the GNU General Public License for more details. 14865695bbc89088b9526ea9045410e5afb70a985cplars * 15865695bbc89088b9526ea9045410e5afb70a985cplars * You should have received a copy of the GNU General Public License 16865695bbc89088b9526ea9045410e5afb70a985cplars * along with this program; if not, write to the Free Software 17865695bbc89088b9526ea9045410e5afb70a985cplars * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18865695bbc89088b9526ea9045410e5afb70a985cplars */ 19865695bbc89088b9526ea9045410e5afb70a985cplars 20865695bbc89088b9526ea9045410e5afb70a985cplars/* 21fa31d55d3486830313bd044f7333697ce6124d22nstraz * Test Name : symlink04 22865695bbc89088b9526ea9045410e5afb70a985cplars * 23865695bbc89088b9526ea9045410e5afb70a985cplars * Test Description : 24865695bbc89088b9526ea9045410e5afb70a985cplars * Verify that, symlink will succeed to creat a symbolic link of an existing 25865695bbc89088b9526ea9045410e5afb70a985cplars * object name path. 26865695bbc89088b9526ea9045410e5afb70a985cplars * 27865695bbc89088b9526ea9045410e5afb70a985cplars * Expected Result: 28865695bbc89088b9526ea9045410e5afb70a985cplars * symlink() should return value 0 on success and symbolic link of an 29865695bbc89088b9526ea9045410e5afb70a985cplars * existing object should be created. 30865695bbc89088b9526ea9045410e5afb70a985cplars * 31865695bbc89088b9526ea9045410e5afb70a985cplars * Algorithm: 32865695bbc89088b9526ea9045410e5afb70a985cplars * Setup: 33865695bbc89088b9526ea9045410e5afb70a985cplars * Setup signal handling. 34865695bbc89088b9526ea9045410e5afb70a985cplars * Create temporary directory. 35865695bbc89088b9526ea9045410e5afb70a985cplars * Pause for SIGUSR1 if option specified. 36865695bbc89088b9526ea9045410e5afb70a985cplars * 37865695bbc89088b9526ea9045410e5afb70a985cplars * Test: 38865695bbc89088b9526ea9045410e5afb70a985cplars * Loop if the proper options are given. 39865695bbc89088b9526ea9045410e5afb70a985cplars * Execute system call 40865695bbc89088b9526ea9045410e5afb70a985cplars * Check return code, if system call failed (return=-1) 41865695bbc89088b9526ea9045410e5afb70a985cplars * Log the errno and Issue a FAIL message. 42865695bbc89088b9526ea9045410e5afb70a985cplars * Otherwise, 43865695bbc89088b9526ea9045410e5afb70a985cplars * Verify the Functionality of system call 44865695bbc89088b9526ea9045410e5afb70a985cplars * if successful, 45865695bbc89088b9526ea9045410e5afb70a985cplars * Issue Functionality-Pass message. 46865695bbc89088b9526ea9045410e5afb70a985cplars * Otherwise, 47865695bbc89088b9526ea9045410e5afb70a985cplars * Issue Functionality-Fail message. 48865695bbc89088b9526ea9045410e5afb70a985cplars * Cleanup: 49865695bbc89088b9526ea9045410e5afb70a985cplars * Print errno log and/or timing stats if options given 50865695bbc89088b9526ea9045410e5afb70a985cplars * Delete the temporary directory created. 51865695bbc89088b9526ea9045410e5afb70a985cplars * 52865695bbc89088b9526ea9045410e5afb70a985cplars * Usage: <for command-line> 53fa31d55d3486830313bd044f7333697ce6124d22nstraz * symlink04 [-c n] [-e] [-f] [-i n] [-I x] [-p x] [-t] 54865695bbc89088b9526ea9045410e5afb70a985cplars * where, -c n : Run n copies concurrently. 55865695bbc89088b9526ea9045410e5afb70a985cplars * -e : Turn on errno logging. 56865695bbc89088b9526ea9045410e5afb70a985cplars * -f : Turn off functionality Testing. 57865695bbc89088b9526ea9045410e5afb70a985cplars * -i n : Execute test n times. 58865695bbc89088b9526ea9045410e5afb70a985cplars * -I x : Execute test for x seconds. 59865695bbc89088b9526ea9045410e5afb70a985cplars * -P x : Pause for x seconds between iterations. 60865695bbc89088b9526ea9045410e5afb70a985cplars * -t : Turn on syscall timing. 61865695bbc89088b9526ea9045410e5afb70a985cplars * 62865695bbc89088b9526ea9045410e5afb70a985cplars * History 63865695bbc89088b9526ea9045410e5afb70a985cplars * 07/2001 John George 64865695bbc89088b9526ea9045410e5afb70a985cplars * -Ported 65865695bbc89088b9526ea9045410e5afb70a985cplars * 66865695bbc89088b9526ea9045410e5afb70a985cplars * Restrictions: 67865695bbc89088b9526ea9045410e5afb70a985cplars * None. 68865695bbc89088b9526ea9045410e5afb70a985cplars * 69865695bbc89088b9526ea9045410e5afb70a985cplars */ 70865695bbc89088b9526ea9045410e5afb70a985cplars 71865695bbc89088b9526ea9045410e5afb70a985cplars#include <stdio.h> 72865695bbc89088b9526ea9045410e5afb70a985cplars#include <sys/types.h> 73865695bbc89088b9526ea9045410e5afb70a985cplars#include <sys/fcntl.h> 74865695bbc89088b9526ea9045410e5afb70a985cplars#include <errno.h> 75865695bbc89088b9526ea9045410e5afb70a985cplars#include <string.h> 76865695bbc89088b9526ea9045410e5afb70a985cplars#include <signal.h> 77865695bbc89088b9526ea9045410e5afb70a985cplars#include <sys/stat.h> 78865695bbc89088b9526ea9045410e5afb70a985cplars#include "test.h" 79865695bbc89088b9526ea9045410e5afb70a985cplars#include "usctest.h" 80865695bbc89088b9526ea9045410e5afb70a985cplars 81865695bbc89088b9526ea9045410e5afb70a985cplars#define TESTFILE "testfile" 82865695bbc89088b9526ea9045410e5afb70a985cplars#define SYMFILE "slink_file" 83865695bbc89088b9526ea9045410e5afb70a985cplars#define FILE_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH 84865695bbc89088b9526ea9045410e5afb70a985cplars 85fa31d55d3486830313bd044f7333697ce6124d22nstrazchar *TCID="symlink04"; /* Test program identifier. */ 86865695bbc89088b9526ea9045410e5afb70a985cplarsint TST_TOTAL=1; /* Total number of test cases. */ 87865695bbc89088b9526ea9045410e5afb70a985cplarsextern int Tst_count; /* Test Case counter for tst_* routines */ 88865695bbc89088b9526ea9045410e5afb70a985cplarsint exp_enos[]={0}; 89865695bbc89088b9526ea9045410e5afb70a985cplars 90865695bbc89088b9526ea9045410e5afb70a985cplarsextern void setup(); /* Setup function for the test */ 91865695bbc89088b9526ea9045410e5afb70a985cplarsextern void cleanup(); /* Cleanup function for the test */ 92865695bbc89088b9526ea9045410e5afb70a985cplars 93865695bbc89088b9526ea9045410e5afb70a985cplarsint 94865695bbc89088b9526ea9045410e5afb70a985cplarsmain(int ac, char **av) 95865695bbc89088b9526ea9045410e5afb70a985cplars{ 96865695bbc89088b9526ea9045410e5afb70a985cplars struct stat stat_buf; /* stat structure buffer */ 97865695bbc89088b9526ea9045410e5afb70a985cplars int lc; /* loop counter */ 98865695bbc89088b9526ea9045410e5afb70a985cplars char *msg; /* message returned from parse_opts */ 99865695bbc89088b9526ea9045410e5afb70a985cplars 100865695bbc89088b9526ea9045410e5afb70a985cplars /* Parse standard options given to run the test. */ 101865695bbc89088b9526ea9045410e5afb70a985cplars msg = parse_opts(ac, av, (option_t *) NULL, NULL); 102865695bbc89088b9526ea9045410e5afb70a985cplars if (msg != (char *) NULL) { 103865695bbc89088b9526ea9045410e5afb70a985cplars tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); 104865695bbc89088b9526ea9045410e5afb70a985cplars tst_exit(); 105865695bbc89088b9526ea9045410e5afb70a985cplars /*NOTREACHED*/ 106865695bbc89088b9526ea9045410e5afb70a985cplars } 107865695bbc89088b9526ea9045410e5afb70a985cplars 108865695bbc89088b9526ea9045410e5afb70a985cplars /* Perform global setup for test */ 109865695bbc89088b9526ea9045410e5afb70a985cplars setup(); 110865695bbc89088b9526ea9045410e5afb70a985cplars 111865695bbc89088b9526ea9045410e5afb70a985cplars /* set the expected errnos... */ 112865695bbc89088b9526ea9045410e5afb70a985cplars TEST_EXP_ENOS(exp_enos); 113865695bbc89088b9526ea9045410e5afb70a985cplars 114865695bbc89088b9526ea9045410e5afb70a985cplars /* Check looping state if -i option given */ 115865695bbc89088b9526ea9045410e5afb70a985cplars for (lc = 0; TEST_LOOPING(lc); lc++) { 116865695bbc89088b9526ea9045410e5afb70a985cplars /* Reset Tst_count in case we are looping. */ 117865695bbc89088b9526ea9045410e5afb70a985cplars Tst_count=0; 118865695bbc89088b9526ea9045410e5afb70a985cplars 119865695bbc89088b9526ea9045410e5afb70a985cplars /* 120865695bbc89088b9526ea9045410e5afb70a985cplars * Call symlink(2) to create a symlink of 121865695bbc89088b9526ea9045410e5afb70a985cplars * testfile. 122865695bbc89088b9526ea9045410e5afb70a985cplars */ 123865695bbc89088b9526ea9045410e5afb70a985cplars TEST(symlink(TESTFILE, SYMFILE)); 124865695bbc89088b9526ea9045410e5afb70a985cplars 125865695bbc89088b9526ea9045410e5afb70a985cplars /* Check return code of symlink(2) */ 126865695bbc89088b9526ea9045410e5afb70a985cplars if (TEST_RETURN == -1) { 127865695bbc89088b9526ea9045410e5afb70a985cplars TEST_ERROR_LOG(TEST_ERRNO); 128865695bbc89088b9526ea9045410e5afb70a985cplars tst_resm(TFAIL, "symlink(%s, %s) Failed, errno=%d : %s", 129865695bbc89088b9526ea9045410e5afb70a985cplars TESTFILE, SYMFILE, TEST_ERRNO, 130865695bbc89088b9526ea9045410e5afb70a985cplars strerror(TEST_ERRNO)); 131865695bbc89088b9526ea9045410e5afb70a985cplars } else { 132865695bbc89088b9526ea9045410e5afb70a985cplars /* 133865695bbc89088b9526ea9045410e5afb70a985cplars * Perform functional verification if test 134865695bbc89088b9526ea9045410e5afb70a985cplars * executed without (-f) option. 135865695bbc89088b9526ea9045410e5afb70a985cplars */ 136865695bbc89088b9526ea9045410e5afb70a985cplars if (STD_FUNCTIONAL_TEST) { 137865695bbc89088b9526ea9045410e5afb70a985cplars /* 138865695bbc89088b9526ea9045410e5afb70a985cplars * Get the symlink file status information 139865695bbc89088b9526ea9045410e5afb70a985cplars * using lstat(2). 140865695bbc89088b9526ea9045410e5afb70a985cplars */ 141865695bbc89088b9526ea9045410e5afb70a985cplars if (lstat(SYMFILE, &stat_buf) < 0) { 142865695bbc89088b9526ea9045410e5afb70a985cplars tst_brkm(TFAIL, cleanup, "lstat(2) of " 143865695bbc89088b9526ea9045410e5afb70a985cplars "%s failed, error:%d", SYMFILE, 144865695bbc89088b9526ea9045410e5afb70a985cplars errno); 145865695bbc89088b9526ea9045410e5afb70a985cplars /*NOTREACHED*/ 146865695bbc89088b9526ea9045410e5afb70a985cplars } 147865695bbc89088b9526ea9045410e5afb70a985cplars 148865695bbc89088b9526ea9045410e5afb70a985cplars /* Check if the st_mode contains a link */ 149865695bbc89088b9526ea9045410e5afb70a985cplars if (!S_ISLNK(stat_buf.st_mode)) { 150865695bbc89088b9526ea9045410e5afb70a985cplars tst_resm(TFAIL, 151865695bbc89088b9526ea9045410e5afb70a985cplars "symlink of %s doesn't exist", 152865695bbc89088b9526ea9045410e5afb70a985cplars TESTFILE); 153865695bbc89088b9526ea9045410e5afb70a985cplars } else { 154865695bbc89088b9526ea9045410e5afb70a985cplars tst_resm(TPASS, "symlink(%s, %s) " 155865695bbc89088b9526ea9045410e5afb70a985cplars "functionality successful", 156865695bbc89088b9526ea9045410e5afb70a985cplars TESTFILE, SYMFILE); 157865695bbc89088b9526ea9045410e5afb70a985cplars } 158865695bbc89088b9526ea9045410e5afb70a985cplars } else { 159865695bbc89088b9526ea9045410e5afb70a985cplars tst_resm(TPASS, "Call succeeded"); 160865695bbc89088b9526ea9045410e5afb70a985cplars } 161865695bbc89088b9526ea9045410e5afb70a985cplars } 162865695bbc89088b9526ea9045410e5afb70a985cplars 163865695bbc89088b9526ea9045410e5afb70a985cplars /* Unlink the symlink file for next loop */ 164865695bbc89088b9526ea9045410e5afb70a985cplars if (unlink(SYMFILE) == -1) { 165865695bbc89088b9526ea9045410e5afb70a985cplars tst_brkm(TBROK, cleanup, 166865695bbc89088b9526ea9045410e5afb70a985cplars "unlink(%s) Failed, errno=%d : %s", 167865695bbc89088b9526ea9045410e5afb70a985cplars SYMFILE, errno, strerror(errno)); 168865695bbc89088b9526ea9045410e5afb70a985cplars /*NOTREACHED*/ 169865695bbc89088b9526ea9045410e5afb70a985cplars } 170865695bbc89088b9526ea9045410e5afb70a985cplars Tst_count++; /* incr TEST_LOOP counter */ 171865695bbc89088b9526ea9045410e5afb70a985cplars } /* End for TEST_LOOPING */ 172865695bbc89088b9526ea9045410e5afb70a985cplars 173865695bbc89088b9526ea9045410e5afb70a985cplars /* Call cleanup() to undo setup done for the test. */ 174865695bbc89088b9526ea9045410e5afb70a985cplars cleanup(); 175865695bbc89088b9526ea9045410e5afb70a985cplars /*NOTREACHED*/ 176865695bbc89088b9526ea9045410e5afb70a985cplars 177865695bbc89088b9526ea9045410e5afb70a985cplars} /* End main */ 178865695bbc89088b9526ea9045410e5afb70a985cplars 179865695bbc89088b9526ea9045410e5afb70a985cplars/* 180865695bbc89088b9526ea9045410e5afb70a985cplars * void 181865695bbc89088b9526ea9045410e5afb70a985cplars * setup() - performs all ONE TIME setup for this test. 182865695bbc89088b9526ea9045410e5afb70a985cplars * Create a temporary directory and change directory to it. 183865695bbc89088b9526ea9045410e5afb70a985cplars * Create a test file under temporary directory and close it 184865695bbc89088b9526ea9045410e5afb70a985cplars */ 185865695bbc89088b9526ea9045410e5afb70a985cplarsvoid 186865695bbc89088b9526ea9045410e5afb70a985cplarssetup() 187865695bbc89088b9526ea9045410e5afb70a985cplars{ 188865695bbc89088b9526ea9045410e5afb70a985cplars int fd; /* file handle for testfile */ 189865695bbc89088b9526ea9045410e5afb70a985cplars 190865695bbc89088b9526ea9045410e5afb70a985cplars /* capture signals */ 191865695bbc89088b9526ea9045410e5afb70a985cplars tst_sig(NOFORK, DEF_HANDLER, cleanup); 192865695bbc89088b9526ea9045410e5afb70a985cplars 193865695bbc89088b9526ea9045410e5afb70a985cplars /* Pause if that option was specified 194865695bbc89088b9526ea9045410e5afb70a985cplars * TEST_PAUSE contains the code to fork the test with the -i option. 195865695bbc89088b9526ea9045410e5afb70a985cplars * You want to make sure you do this before you create your temporary 196865695bbc89088b9526ea9045410e5afb70a985cplars * directory. 197865695bbc89088b9526ea9045410e5afb70a985cplars */ 198865695bbc89088b9526ea9045410e5afb70a985cplars TEST_PAUSE; 199865695bbc89088b9526ea9045410e5afb70a985cplars 200865695bbc89088b9526ea9045410e5afb70a985cplars /* make a temp directory and cd to it */ 201865695bbc89088b9526ea9045410e5afb70a985cplars tst_tmpdir(); 202865695bbc89088b9526ea9045410e5afb70a985cplars 203865695bbc89088b9526ea9045410e5afb70a985cplars /* creat/open a testfile */ 204865695bbc89088b9526ea9045410e5afb70a985cplars if ((fd = open(TESTFILE, O_RDWR|O_CREAT, FILE_MODE)) == -1) { 205865695bbc89088b9526ea9045410e5afb70a985cplars tst_brkm(TBROK, cleanup, 206865695bbc89088b9526ea9045410e5afb70a985cplars "open(%s, O_RDWR|O_CREAT, %#o) Failed, errno=%d : %s", 207865695bbc89088b9526ea9045410e5afb70a985cplars TESTFILE, FILE_MODE, errno, strerror(errno)); 208865695bbc89088b9526ea9045410e5afb70a985cplars /*NOTREACHED*/ 209865695bbc89088b9526ea9045410e5afb70a985cplars } 210865695bbc89088b9526ea9045410e5afb70a985cplars 211865695bbc89088b9526ea9045410e5afb70a985cplars /* Close the temporary file created above */ 212865695bbc89088b9526ea9045410e5afb70a985cplars if (close(fd) == -1) { 213865695bbc89088b9526ea9045410e5afb70a985cplars tst_resm(TBROK, "close(%s) Failed, errno=%d : %s", 214865695bbc89088b9526ea9045410e5afb70a985cplars TESTFILE, errno, strerror(errno)); 215865695bbc89088b9526ea9045410e5afb70a985cplars } 216865695bbc89088b9526ea9045410e5afb70a985cplars} /* End setup() */ 217865695bbc89088b9526ea9045410e5afb70a985cplars 218865695bbc89088b9526ea9045410e5afb70a985cplars 219865695bbc89088b9526ea9045410e5afb70a985cplars/* 220865695bbc89088b9526ea9045410e5afb70a985cplars * void 221865695bbc89088b9526ea9045410e5afb70a985cplars * cleanup() - performs all ONE TIME cleanup for this test at 222865695bbc89088b9526ea9045410e5afb70a985cplars * completion or premature exit. 223865695bbc89088b9526ea9045410e5afb70a985cplars * Remove the test directory and testfile created in the setup. 224865695bbc89088b9526ea9045410e5afb70a985cplars */ 225865695bbc89088b9526ea9045410e5afb70a985cplarsvoid 226865695bbc89088b9526ea9045410e5afb70a985cplarscleanup() 227865695bbc89088b9526ea9045410e5afb70a985cplars{ 228865695bbc89088b9526ea9045410e5afb70a985cplars /* 229865695bbc89088b9526ea9045410e5afb70a985cplars * print timing stats if that option was specified. 230865695bbc89088b9526ea9045410e5afb70a985cplars * print errno log if that option was specified. 231865695bbc89088b9526ea9045410e5afb70a985cplars */ 232865695bbc89088b9526ea9045410e5afb70a985cplars TEST_CLEANUP; 233865695bbc89088b9526ea9045410e5afb70a985cplars 234865695bbc89088b9526ea9045410e5afb70a985cplars /* Remove tmp dir and all files in it */ 235865695bbc89088b9526ea9045410e5afb70a985cplars tst_rmdir(); 236865695bbc89088b9526ea9045410e5afb70a985cplars 237865695bbc89088b9526ea9045410e5afb70a985cplars /* exit with return code appropriate for results */ 238865695bbc89088b9526ea9045410e5afb70a985cplars tst_exit(); 239865695bbc89088b9526ea9045410e5afb70a985cplars} /* End cleanup() */ 240