diff options
Diffstat (limited to 'winsup/testsuite/winsup.api/ltp/readlink03.c')
| -rw-r--r-- | winsup/testsuite/winsup.api/ltp/readlink03.c | 360 |
1 files changed, 0 insertions, 360 deletions
diff --git a/winsup/testsuite/winsup.api/ltp/readlink03.c b/winsup/testsuite/winsup.api/ltp/readlink03.c deleted file mode 100644 index 41cf4bbe9..000000000 --- a/winsup/testsuite/winsup.api/ltp/readlink03.c +++ /dev/null @@ -1,360 +0,0 @@ -/* - * - * Copyright (c) International Business Machines Corp., 2001 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* - * Test Name : readlink03 - * - * Test Description : - * Verify that, - * 1) readlink(2) returns -1 and sets errno to EACCES if search/write - * permission is denied in the directory where the symbolic link - * resides. - * 2) readlink(2) returns -1 and sets errno to EINVAL if the buffer size - * is not positive. - * 3) readlink(2) returns -1 and sets errno to EINVAL if the specified - * file is not a symbolic link file. - * 4) readlink(2) returns -1 and sets errno to ENAMETOOLONG if the - * pathname component of symbolic link is too long (ie, > PATH_MAX). - * 5) readlink(2) returns -1 and sets errno to ENOENT if the component of - * symbolic link points to an empty string. - * - * Expected Result: - * readlink() should fail with return value -1 and set expected errno. - * - * Algorithm: - * Setup: - * Setup signal handling. - * Create temporary directory. - * Pause for SIGUSR1 if option specified. - * - * Test: - * Loop if the proper options are given. - * Execute system call - * Check return code, if system call failed (return=-1) - * if errno set == expected errno - * Issue sys call fails with expected return value and errno. - * Otherwise, - * Issue sys call fails with unexpected errno. - * Otherwise, - * Issue sys call returns unexpected value. - * - * Cleanup: - * Print errno log and/or timing stats if options given - * Delete the temporary directory(s)/file(s) created. - * - * Usage: <for command-line> - * readlink03 [-c n] [-e] [-i n] [-I x] [-P x] [-t] - * where, -c n : Run n copies concurrently. - * -e : Turn on errno logging. - * -i n : Execute test n times. - * -I x : Execute test for x seconds. - * -P x : Pause for x seconds between iterations. - * -t : Turn on syscall timing. - * - * HISTORY - * 07/2001 Ported by Wayne Boyer - * - * RESTRICTIONS: - * This test should be executed by 'non-super-user' only. - */ - -#include <sys/types.h> -#include <sys/fcntl.h> -#include <errno.h> -#include <string.h> -#include <signal.h> -#include <sys/stat.h> - -#include "test.h" -#include "usctest.h" - -#define MODE_RWX S_IRWXU | S_IRWXG | S_IRWXO -#define FILE_MODE S_IRUSR | S_IRGRP | S_IROTH -#define DIR_TEMP "testdir_1" -#define TESTFILE "testfile" -#define TEST_FILE1 "testdir_1/tfile_1" -#define SYM_FILE1 "testdir_1/sfile_1" -#define TEST_FILE2 "tfile_2" -#define SYM_FILE2 "sfile_2" -#define MAX_SIZE 256 - -const char *TCID="readlink03"; /* Test program identifier. */ -int TST_TOTAL=5; /* Total number of test cases. */ -extern int Tst_count; /* Test Case counter for tst_* routines */ -int exp_enos[]={EACCES, EINVAL, ENAMETOOLONG, ENOENT, 0}; - -int no_setup(); -int setup1(); /* setup function to test symlink for EACCES */ -int setup2(); /* setup function to test symlink for EEXIST */ -int lpath_setup(); /* setup function to test chmod for ENAMETOOLONG */ - -char Longpathname[PATH_MAX+2]; - -struct test_case_t { /* test case struct. to hold ref. test cond's*/ - const char *link; - const char *desc; - int exp_errno; - size_t buf_siz; - int (*setupfunc)(); -} Test_cases[] = { -#ifndef __CYGWIN__ - { SYM_FILE1, "No Search permissions to process", EACCES, 1, setup1 }, - { SYM_FILE2, "Buffer size is not positive", EINVAL, -1, setup2 }, - { TEST_FILE2, "File is not symbolic link", EINVAL, 1, no_setup }, -#else - { TEST_FILE2, "File is not symbolic link", EINVAL, 1, setup2 }, -#endif - { Longpathname, "Symlink path too long", ENAMETOOLONG, 1, lpath_setup }, - { "", "Symlink Pathname is empty", ENOENT, 1, no_setup }, - { NULL, NULL, 0, 0, no_setup } -}; - -extern void setup(); /* Setup function for the test */ -void cleanup() __attribute__((noreturn));/* Cleanup function for the test */ - -int -main(int ac, char **av) -{ - char buffer[MAX_SIZE]; /* temporary buffer to hold symlink contents*/ - int lc; /* loop counter */ - const char *msg; /* message returned from parse_opts */ - const char *sym_file; /* symbolic link file name */ - const char *test_desc; /* test specific error message */ - int i; /* counter to test different test conditions */ - size_t buf_size; /* size of buffer for readlink */ - - /* Parse standard options given to run the test. */ - msg = parse_opts(ac, av, (option_t *)NULL, NULL); - if (msg != (char *)NULL) { - tst_brkm(TBROK, tst_exit, "OPTION PARSING ERROR - %s", msg); - } - - /* - * Invoke setup function to call individual test setup functions - * to simulate test conditions. - */ - setup(); - - /* set the expected errnos... */ - TEST_EXP_ENOS(exp_enos); - - /* Check looping state if -i option given */ - for (lc = 0; TEST_LOOPING(lc); lc++) { - /* Reset Tst_count in case we are looping. */ - Tst_count=0; - - for (i = 0; Test_cases[i].desc != NULL; i++) { - sym_file = Test_cases[i].link; - test_desc = Test_cases[i].desc; - buf_size = Test_cases[i].buf_siz; - - if (buf_size == 1) { - buf_size = sizeof(buffer); - } - - /* - * Call readlink(2) to test different test conditions. - * verify that it fails with -1 return value and sets - * appropriate errno. - */ - TEST(readlink(sym_file, buffer, buf_size)); - - /* Check return code of readlink(2) */ - if (TEST_RETURN != -1) { - tst_resm(TFAIL, "readlink() returned %d, " - "expected -1, errno:%d", TEST_RETURN, - Test_cases[i].exp_errno); - continue; - } - - TEST_ERROR_LOG(TEST_ERRNO); - - if (TEST_ERRNO == Test_cases[i].exp_errno) { - tst_resm(TPASS, "readlink(), %s, returned " - "errno %d", test_desc, TEST_ERRNO); - tst_resm(TPASS, "readlink(), %s, returned " - "errno %d", test_desc, TEST_ERRNO); - } else { - tst_resm(TFAIL, "readlink() failed, %s, " - "errno=%d, expected errno=%d", - test_desc, TEST_ERRNO, - Test_cases[i].exp_errno); - } - } /* End of TEST CASE LOOPING. */ - } /* End for TEST_LOOPING */ - /* Call cleanup() to undo setup done for the test. */ - cleanup(); - - /*NOTREACHED*/ -} /* End main */ - -/* - * setup() - performs all ONE TIME setup for this test. - * - * Create a temporary directory and change directory to it. - * Call test specific setup functions. - */ -void -setup() -{ - int i; - - /* make sure test is not being run as root */ - if (0 == geteuid()) { - tst_brkm(TBROK, tst_exit, "Must not run test as root"); - } - - /* capture signals */ - tst_sig(NOFORK, DEF_HANDLER, cleanup); - - /* Pause if that option was specified */ - TEST_PAUSE; - - /* make a temp directory and cd to it */ - tst_tmpdir(); - - /* call individual setup functions */ - for (i = 0; Test_cases[i].desc != NULL; i++) { - Test_cases[i].setupfunc(); - } -} - -/* - * no_setup() - Some test conditions for readlink(2) do not any setup. - */ -int -no_setup() -{ - return 0; -} - -/* - * setup1() - setup function for a test condition for which readlink(2) - * returns -1 and sets errno to EACCES. - * - * Create a test directory under temporary directory and create a test file - * under this directory with mode "0666" permissions. - * Create a symlink of testfile under test directory. - * Modify the mode permissions on test directory such that process will not - * have search permissions on test directory. - */ -int -setup1() -{ - int fd; /* file handle for testfile */ - - if (mkdir(DIR_TEMP, MODE_RWX) < 0) { - tst_brkm(TBROK, cleanup, "mkdir(2) of %s failed", DIR_TEMP); - } - - if ((fd = open(TEST_FILE1, O_RDWR|O_CREAT, 0666)) == -1) { - tst_brkm(TBROK, cleanup, - "open(%s, O_RDWR|O_CREAT, 0666) failed, errno=%d : %s", - TEST_FILE1, errno, strerror(errno)); - } - if (close(fd) == -1) { - tst_brkm(TBROK, cleanup, "close(%s) failed, errno=%d : %s", - TEST_FILE1, errno, strerror(errno)); - } - - /* Creat a symbolic link of testfile under test directory */ - if (symlink(TEST_FILE1, SYM_FILE1) < 0) { - tst_brkm(TBROK, cleanup, "symlink of %s failed", TEST_FILE1); - } - - /* Modify mode permissions on test directory */ - if (chmod(DIR_TEMP, FILE_MODE) < 0) { - tst_brkm(TBROK, cleanup, "chmod(2) of %s failed", DIR_TEMP); - } - return 0; -} - -/* - * setup2() - setup function for a test condition for which readlink(2) - * returns -1 and sets errno to EINVAL. - * - * Create a testfile under temporary directory and create a symlink - * file of it. - */ -int -setup2() -{ - int fd; /* file handle for testfile */ - - /* Creat a testfile and close it */ - if ((fd = open(TEST_FILE2, O_RDWR|O_CREAT, 0666)) == -1) { - tst_brkm(TBROK, cleanup, - "open(%s, O_RDWR|O_CREAT, 0666) failed, errno=%d : %s", - TEST_FILE2, errno, strerror(errno)); - } - if (close(fd) == -1) { - tst_brkm(TBROK, cleanup, "close(%s) failed, errno=%d : %s", - TEST_FILE2, errno, strerror(errno)); - } - - /* Creat a symlink of testfile created above */ - if (symlink(TEST_FILE2, SYM_FILE2) < 0) { - tst_brkm(TBROK, cleanup, "symlink() failed to create %s in " - "setup2, error=%d", SYM_FILE2, errno); - } - return 0; -} - -/* - * lpath_setup() - setup to create a node with a name length exceeding - * the MAX. length of PATH_MAX. - */ -int -lpath_setup() -{ - int i; /* counter variable */ - - for (i = 0; i <= (PATH_MAX + 1); i++) { - Longpathname[i] = 'a'; - } - return 0; -} - -/* - * cleanup() - performs all ONE TIME cleanup for this test at - * completion or premature exit. - * - * Restore the mode permissions on test directory. - * Remove the temporary directory created in the setup. - */ -void -cleanup() -{ - /* - * print timing stats if that option was specified. - * print errno log if that option was specified. - */ - TEST_CLEANUP; - - /* Restore mode permissions on test directory created in setup2() */ - if (chmod(DIR_TEMP, MODE_RWX) < 0) { - tst_brkm(TBROK, NULL, "chmod(2) of %s failed", DIR_TEMP); - } - - /* Remove tmp dir and all files in it */ - tst_rmdir(); - - /* exit with return code appropriate for results */ - tst_exit(); -} |