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 174548c6cf9bcdd96d8303caa4130ab638b61f8a30Wanlong Gao * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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. 264bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak * 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, 43bdbaec51a423e715c2b03ed9e497e9a1fba6103esubrata_modak * 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 80865695bbc89088b9526ea9045410e5afb70a985cplars#define TESTFILE "testfile" 81865695bbc89088b9526ea9045410e5afb70a985cplars#define SYMFILE "slink_file" 82865695bbc89088b9526ea9045410e5afb70a985cplars#define FILE_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH 83865695bbc89088b9526ea9045410e5afb70a985cplars 84fdce7d5e2a219d201a2b0e3bab6b61b01ec1d716Cyril Hrubischar *TCID = "symlink04"; 85fdce7d5e2a219d201a2b0e3bab6b61b01ec1d716Cyril Hrubisint TST_TOTAL = 1; 86865695bbc89088b9526ea9045410e5afb70a985cplars 87fdce7d5e2a219d201a2b0e3bab6b61b01ec1d716Cyril Hrubisvoid setup(); 88fdce7d5e2a219d201a2b0e3bab6b61b01ec1d716Cyril Hrubisvoid cleanup(); 89865695bbc89088b9526ea9045410e5afb70a985cplars 9056207cec7732e09c216c751c0b5f88a242bacae6subrata_modakint main(int ac, char **av) 91865695bbc89088b9526ea9045410e5afb70a985cplars{ 92865695bbc89088b9526ea9045410e5afb70a985cplars struct stat stat_buf; /* stat structure buffer */ 9389af32a63ce8a780ea39337339e14caae244b5a4Cyril Hrubis int lc; 94865695bbc89088b9526ea9045410e5afb70a985cplars 95d6d11d08678aac1ed2c370ea8e42e5f45aea07beCyril Hrubis tst_parse_opts(ac, av, NULL, NULL); 96865695bbc89088b9526ea9045410e5afb70a985cplars 97865695bbc89088b9526ea9045410e5afb70a985cplars setup(); 98865695bbc89088b9526ea9045410e5afb70a985cplars 99865695bbc89088b9526ea9045410e5afb70a985cplars for (lc = 0; TEST_LOOPING(lc); lc++) { 1002c28215423293e443469a07ae7011135d058b671Garrett Cooper 101d59a659cd639ca2780b00049d102acd2a783d585Caspar Zhang tst_count = 0; 102bdbaec51a423e715c2b03ed9e497e9a1fba6103esubrata_modak 1034bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak /* 1044bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak * Call symlink(2) to create a symlink of 105865695bbc89088b9526ea9045410e5afb70a985cplars * testfile. 106865695bbc89088b9526ea9045410e5afb70a985cplars */ 107865695bbc89088b9526ea9045410e5afb70a985cplars TEST(symlink(TESTFILE, SYMFILE)); 108bdbaec51a423e715c2b03ed9e497e9a1fba6103esubrata_modak 109865695bbc89088b9526ea9045410e5afb70a985cplars if (TEST_RETURN == -1) { 110865695bbc89088b9526ea9045410e5afb70a985cplars tst_resm(TFAIL, "symlink(%s, %s) Failed, errno=%d : %s", 111865695bbc89088b9526ea9045410e5afb70a985cplars TESTFILE, SYMFILE, TEST_ERRNO, 112865695bbc89088b9526ea9045410e5afb70a985cplars strerror(TEST_ERRNO)); 113865695bbc89088b9526ea9045410e5afb70a985cplars } else { 114865695bbc89088b9526ea9045410e5afb70a985cplars /* 115e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis * Get the symlink file status information 116e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis * using lstat(2). 117865695bbc89088b9526ea9045410e5afb70a985cplars */ 118e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis if (lstat(SYMFILE, &stat_buf) < 0) { 119e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis tst_brkm(TFAIL, cleanup, "lstat(2) of " 120e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis "%s failed, error:%d", SYMFILE, 121e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis errno); 122e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis } 123e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis 124e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis /* Check if the st_mode contains a link */ 125e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis if (!S_ISLNK(stat_buf.st_mode)) { 126e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis tst_resm(TFAIL, 127e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis "symlink of %s doesn't exist", 128e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis TESTFILE); 129865695bbc89088b9526ea9045410e5afb70a985cplars } else { 130e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis tst_resm(TPASS, "symlink(%s, %s) " 131e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis "functionality successful", 132e38b961c385192f0d804914b77bd590734b42e75Cyril Hrubis TESTFILE, SYMFILE); 133865695bbc89088b9526ea9045410e5afb70a985cplars } 134865695bbc89088b9526ea9045410e5afb70a985cplars } 135865695bbc89088b9526ea9045410e5afb70a985cplars 136865695bbc89088b9526ea9045410e5afb70a985cplars /* Unlink the symlink file for next loop */ 137865695bbc89088b9526ea9045410e5afb70a985cplars if (unlink(SYMFILE) == -1) { 138865695bbc89088b9526ea9045410e5afb70a985cplars tst_brkm(TBROK, cleanup, 139865695bbc89088b9526ea9045410e5afb70a985cplars "unlink(%s) Failed, errno=%d : %s", 140865695bbc89088b9526ea9045410e5afb70a985cplars SYMFILE, errno, strerror(errno)); 141354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao } 142d59a659cd639ca2780b00049d102acd2a783d585Caspar Zhang tst_count++; /* incr TEST_LOOP counter */ 1432c28215423293e443469a07ae7011135d058b671Garrett Cooper } 144865695bbc89088b9526ea9045410e5afb70a985cplars 145865695bbc89088b9526ea9045410e5afb70a985cplars cleanup(); 1467d0a4a57fbcd47f72b67c08df532e8ef47f6fdaeGarrett Cooper tst_exit(); 147b729ad9f250fe53561f138cf36d0c2e894f792bfrobbiew 1482c28215423293e443469a07ae7011135d058b671Garrett Cooper} 149865695bbc89088b9526ea9045410e5afb70a985cplars 150865695bbc89088b9526ea9045410e5afb70a985cplars/* 151865695bbc89088b9526ea9045410e5afb70a985cplars * void 152865695bbc89088b9526ea9045410e5afb70a985cplars * setup() - performs all ONE TIME setup for this test. 153865695bbc89088b9526ea9045410e5afb70a985cplars * Create a temporary directory and change directory to it. 154865695bbc89088b9526ea9045410e5afb70a985cplars * Create a test file under temporary directory and close it 155865695bbc89088b9526ea9045410e5afb70a985cplars */ 156c57fba5535abf457e33dd7a986b6c512d95cdef6Mike Frysingervoid setup(void) 157865695bbc89088b9526ea9045410e5afb70a985cplars{ 158865695bbc89088b9526ea9045410e5afb70a985cplars int fd; /* file handle for testfile */ 159865695bbc89088b9526ea9045410e5afb70a985cplars 160865695bbc89088b9526ea9045410e5afb70a985cplars tst_sig(NOFORK, DEF_HANDLER, cleanup); 161865695bbc89088b9526ea9045410e5afb70a985cplars 162865695bbc89088b9526ea9045410e5afb70a985cplars /* Pause if that option was specified 163865695bbc89088b9526ea9045410e5afb70a985cplars * TEST_PAUSE contains the code to fork the test with the -i option. 164865695bbc89088b9526ea9045410e5afb70a985cplars * You want to make sure you do this before you create your temporary 165865695bbc89088b9526ea9045410e5afb70a985cplars * directory. 166865695bbc89088b9526ea9045410e5afb70a985cplars */ 167865695bbc89088b9526ea9045410e5afb70a985cplars TEST_PAUSE; 168865695bbc89088b9526ea9045410e5afb70a985cplars 169865695bbc89088b9526ea9045410e5afb70a985cplars tst_tmpdir(); 170865695bbc89088b9526ea9045410e5afb70a985cplars 171865695bbc89088b9526ea9045410e5afb70a985cplars /* creat/open a testfile */ 17256207cec7732e09c216c751c0b5f88a242bacae6subrata_modak if ((fd = open(TESTFILE, O_RDWR | O_CREAT, FILE_MODE)) == -1) { 173865695bbc89088b9526ea9045410e5afb70a985cplars tst_brkm(TBROK, cleanup, 174865695bbc89088b9526ea9045410e5afb70a985cplars "open(%s, O_RDWR|O_CREAT, %#o) Failed, errno=%d : %s", 175865695bbc89088b9526ea9045410e5afb70a985cplars TESTFILE, FILE_MODE, errno, strerror(errno)); 176354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao } 177865695bbc89088b9526ea9045410e5afb70a985cplars 178865695bbc89088b9526ea9045410e5afb70a985cplars /* Close the temporary file created above */ 179865695bbc89088b9526ea9045410e5afb70a985cplars if (close(fd) == -1) { 180865695bbc89088b9526ea9045410e5afb70a985cplars tst_resm(TBROK, "close(%s) Failed, errno=%d : %s", 18156207cec7732e09c216c751c0b5f88a242bacae6subrata_modak TESTFILE, errno, strerror(errno)); 182865695bbc89088b9526ea9045410e5afb70a985cplars } 1832c28215423293e443469a07ae7011135d058b671Garrett Cooper} 184865695bbc89088b9526ea9045410e5afb70a985cplars 185865695bbc89088b9526ea9045410e5afb70a985cplars/* 186865695bbc89088b9526ea9045410e5afb70a985cplars * void 187865695bbc89088b9526ea9045410e5afb70a985cplars * cleanup() - performs all ONE TIME cleanup for this test at 188865695bbc89088b9526ea9045410e5afb70a985cplars * completion or premature exit. 189865695bbc89088b9526ea9045410e5afb70a985cplars * Remove the test directory and testfile created in the setup. 190865695bbc89088b9526ea9045410e5afb70a985cplars */ 191c57fba5535abf457e33dd7a986b6c512d95cdef6Mike Frysingervoid cleanup(void) 192865695bbc89088b9526ea9045410e5afb70a985cplars{ 193865695bbc89088b9526ea9045410e5afb70a985cplars 194865695bbc89088b9526ea9045410e5afb70a985cplars tst_rmdir(); 195865695bbc89088b9526ea9045410e5afb70a985cplars 196ec6edca7aa42b6affd989ef91b5897f96795e40fChris Dearman} 197