325 lines
8.7 KiB
C
325 lines
8.7 KiB
C
/*
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*
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* Copyright (c) International Business Machines Corp., 2001
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* Test Name: ftruncate03
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*
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* Test Description:
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* Verify that,
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* 1) ftruncate(2) returns -1 and sets errno to EINVAL if the specified
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* truncate length is less than 0.
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* 2) ftruncate(2) returns -1 and sets errno to EBADF if the file descriptor
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* of the specified file is not valid.
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*
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* Expected Result:
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* ftruncate() should fail with return value -1 and set expected errno.
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*
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* Algorithm:
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* Setup:
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* Setup signal handling.
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* Create temporary directory.
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* Pause for SIGUSR1 if option specified.
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*
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* Test:
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* Loop if the proper options are given.
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* Execute system call
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* Check return code, if system call failed (return=-1)
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* if errno set == expected errno
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* Issue sys call fails with expected return value and errno.
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* Otherwise,
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* Issue sys call fails with unexpected errno.
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* Otherwise,
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* Issue sys call returns unexpected value.
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*
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* Cleanup:
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* Print errno log and/or timing stats if options given
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* Delete the temporary directory(s)/file(s) created.
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*
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* Usage: <for command-line>
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* ftruncate03 [-c n] [-e] [-i n] [-I x] [-P x] [-t]
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* where, -c n : Run n copies concurrently.
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* -e : Turn on errno logging.
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* -i n : Execute test n times.
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* -I x : Execute test for x seconds.
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* -P x : Pause for x seconds between iterations.
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* -t : Turn on syscall timing.
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*
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* HISTORY
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* 07/2001 Ported by Wayne Boyer
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*
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* RESTRICTIONS:
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* This test should be executed by 'non-super-user' only.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/fcntl.h>
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#include <errno.h>
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#include <string.h>
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#include <signal.h>
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#include "test.h"
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#include "usctest.h"
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#define TEST_FILE1 "test_file1" /* file under test */
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#define TEST_FILE2 "test_file2" /* file under test */
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#define FILE_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH
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#define BUF_SIZE 256 /* buffer size */
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#define FILE_SIZE 1024 /* test file size */
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int no_setup();
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int setup1(); /* setup function to test chmod for EBADF */
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int setup2(); /* setup function to test chmod for EINVAL */
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int fd1; /* File descriptor for testfile1 */
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int fd2; /* File descriptor for testfile2 */
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struct test_case_t { /* test case struct. to hold ref. test cond's*/
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int fd;
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const char *desc;
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int exp_errno;
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int len;
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int (*setupfunc)();
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} Test_cases[] = {
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{ 1, "Length argument is -ve", EINVAL, -1, setup1 },
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{ 2, "File descriptor is not valid", EBADF, 256, setup2 },
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{ 0, NULL, 0, 0, no_setup }
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};
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const char *TCID="ftruncate03"; /* Test program identifier. */
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int TST_TOTAL=2; /* Total number of test conditions */
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extern int Tst_count; /* Test Case counter for tst_* routines */
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int exp_enos[]={EINVAL, EBADF, 0};
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void setup(); /* Main setup function for the test */
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void cleanup(void) __attribute__((noreturn)); /* Main cleanup function for the test */
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int
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main(int ac, char **av)
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{
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int lc; /* loop counter */
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const char *msg; /* message returned from parse_opts */
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const char *test_desc; /* test specific error message */
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int fildes; /* File descriptor of testfile */
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off_t trunc_len; /* truncate length */
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int ind;
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/* Parse standard options given to run the test. */
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msg = parse_opts(ac, av, (option_t *) NULL, NULL);
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if (msg != (char *) NULL) {
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tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
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tst_exit();
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}
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/*
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* Perform global setup for test to call individual test specific
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* setup functions.
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*/
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setup();
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/* set the expected errnos... */
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TEST_EXP_ENOS(exp_enos);
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/* Check looping state if -i option given */
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for (lc = 0; TEST_LOOPING(lc); lc++) {
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/* Reset Tst_count in case we are looping. */
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Tst_count = 0;
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for (ind = 0; Test_cases[ind].desc != NULL; ind++) {
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fildes = Test_cases[ind].fd;
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test_desc = Test_cases[ind].desc;
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trunc_len = Test_cases[ind].len;
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if (fildes == 1) {
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fildes = fd1;
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} else {
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fildes = fd2;
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}
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/*
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* Call ftruncate(2) to test different test conditions.
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* verify that it fails with return code -1 and sets
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* appropriate errno.
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*/
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TEST(ftruncate(fildes, trunc_len));
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/* check return code of ftruncate(2) */
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if (TEST_RETURN == -1) {
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TEST_ERROR_LOG(TEST_ERRNO);
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if (TEST_ERRNO == Test_cases[ind].exp_errno) {
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tst_resm(TPASS, "ftruncate() fails, %s,"
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" errno=%d", test_desc,
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TEST_ERRNO);
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} else {
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tst_resm(TFAIL, "ftruncate() fails, %s,"
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" errno=%d, expected errno:%d",
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test_desc, TEST_ERRNO,
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Test_cases[ind].exp_errno);
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}
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} else {
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tst_resm(TFAIL, "ftruncate() returned %d, "
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"expected -1, errno:%d", TEST_RETURN,
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Test_cases[ind].exp_errno);
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}
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} /* End of TEST CASE LOOPING. */
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} /* End for TEST_LOOPING */
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/* Call cleanup() to undo setup done for the test. */
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cleanup();
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/*NOTREACHED*/
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} /* End main */
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/*
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* void
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* setup() - performs all ONE TIME setup for this test.
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* Create a temporary directory and change directory to it.
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* Fill the test buffer with some date used to fill test file(s).
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* Call individual test specific setup functions.
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*/
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void
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setup()
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{
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int ind;
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/* capture signals */
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tst_sig(NOFORK, DEF_HANDLER, cleanup);
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/* Check that the test process id is not root/super-user */
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if (geteuid() == 0) {
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tst_brkm(TBROK, NULL, "Must be non-root/super for this test!");
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tst_exit();
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}
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/* Pause if that option was specified */
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TEST_PAUSE;
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/* make a temp directory and cd to it */
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tst_tmpdir();
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/* call individual setup functions */
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for (ind = 0; Test_cases[ind].desc != NULL; ind++) {
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Test_cases[ind].setupfunc();
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}
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} /* End of setup */
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/*
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* int
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* setup1() - setup function for a test condition for which ftruncate(2)
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* returns -1 and sets errno to EINVAL.
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* Create a test file and open it for writing only.
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*/
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int
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setup1()
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{
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/* Open the testfile in write-only mode */
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if ((fd1 = open(TEST_FILE1, O_WRONLY|O_CREAT, 0644)) == -1) {
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tst_brkm(TBROK, cleanup,
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"open(%s, O_WRONLY) Failed, errno=%d : %s",
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TEST_FILE1, errno, strerror(errno));
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}
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return 0;
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} /* End setup1() */
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/*
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* int
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* setup2() - setup function for a test condition for which ftruncate(2)
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* returns -1 and sets errno to EBADF.
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* Create a test file and open it for reading/writing, and fill the
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* testfile with the contents of test buffer.
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* Close the test file.
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*
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*/
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int
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setup2()
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{
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int c, i, c_total = 0;
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char tst_buff[BUF_SIZE]; /* buffer to hold testfile contents */
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/* Fill the test buffer with the known data */
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for (i = 0; i < BUF_SIZE; i++) {
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tst_buff[i] = 'a';
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}
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/* open a testfile for reading/writing */
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if ((fd2 = open(TEST_FILE2, O_RDWR|O_CREAT, FILE_MODE)) == -1) {
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tst_brkm(TBROK, cleanup,
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"open(%s, O_RDWR|O_CREAT, %o) Failed, errno=%d : %s",
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TEST_FILE2, FILE_MODE, errno, strerror(errno));
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}
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/* Write to the file 1k data from the buffer */
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while (c_total < FILE_SIZE) {
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if ((c = write(fd2, tst_buff, sizeof(tst_buff))) <= 0) {
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tst_brkm(TBROK, cleanup,
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"write(2) on %s Failed, errno=%d : %s",
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TEST_FILE2, errno, strerror(errno));
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} else {
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c_total += c;
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}
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}
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/* Close the testfile after writing data into it */
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if (close(fd2) == -1) {
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tst_brkm(TBROK, cleanup,
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"close(%s) Failed, errno=%d : %s",
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TEST_FILE2, errno, strerror(errno));
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}
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return 0;
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} /* End of setup2 */
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/*
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* int
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* no_setup() - This function just returns 0.
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*/
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int
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no_setup()
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{
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return 0;
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}
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/*
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* void
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* cleanup() - performs all ONE TIME cleanup for this test at
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* completion or premature exit.
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* Close the temporary file.
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* Remove the test directory and testfile created in the setup.
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*/
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void
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cleanup()
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{
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/*
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* print timing stats if that option was specified.
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*/
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TEST_CLEANUP;
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/* Close the testfile after opening it read-only in setup1 */
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if (close(fd1) == -1) {
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tst_brkm(TFAIL, NULL,
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"close(%s) Failed, errno=%d : %s",
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TEST_FILE1, errno, strerror(errno));
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}
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/* Remove tmp dir and all files in it */
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tst_rmdir();
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/* exit with return code appropriate for results */
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tst_exit();
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} /* End cleanup() */
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