/*
*
* 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 : symlink01
*
* Test Description :
* Verify that, symlink will succeed to creat a symbolic link of an existing
* object name path.
*
* Expected Result:
* symlink() should return value 0 on success and symbolic link of an
* existing object should be created.
*
* 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)
* Log the errno and Issue a FAIL message.
* Otherwise,
* Verify the Functionality of system call
* if successful,
* Issue Functionality-Pass message.
* Otherwise,
* Issue Functionality-Fail message.
* Cleanup:
* Print errno log and/or timing stats if options given
* Delete the temporary directory created.
*
* Usage: <for command-line>
* symlink01 [-c n] [-e] [-f] [-i n] [-I x] [-p x] [-t]
* where, -c n : Run n copies concurrently.
* -e : Turn on errno logging.
* -f : Turn off functionality Testing.
* -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 John George
* -Ported
*
* Restrictions:
* None.
*
*/
#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 TESTFILE "testfile"
#define SYMFILE "slink_file"
#define FILE_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH
const char *TCID="symlink01"; /* Test program identifier. */
int TST_TOTAL=1; /* Total number of test cases. */
extern int Tst_count; /* Test Case counter for tst_* routines */
int exp_enos[]={0};
extern void setup(); /* Setup function for the test */
void cleanup() __attribute__((noreturn));/* Cleanup function for the test */
int
main(int ac, char **av)
{
struct stat stat_buf; /* stat structure buffer */
int lc; /* loop counter */
const char *msg; /* message returned from parse_opts */
/* Parse standard options given to run the test. */
msg = parse_opts(ac, av, (option_t *) NULL, NULL);
if (msg != (char *) NULL) {
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
tst_exit();
/*NOTREACHED*/
}
/* Perform global setup for test */
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;
/*
* Call symlink(2) to create a symlink of
* testfile.
*/
TEST(symlink(TESTFILE, SYMFILE));
/* Check return code of symlink(2) */
if (TEST_RETURN == -1) {
TEST_ERROR_LOG(TEST_ERRNO);
tst_resm(TFAIL, "symlink(%s, %s) Failed, errno=%d : %s",
TESTFILE, SYMFILE, TEST_ERRNO,
strerror(TEST_ERRNO));
} else {
/*
* Perform functional verification if test
* executed without (-f) option.
*/
if (STD_FUNCTIONAL_TEST) {
/*
* Get the symlink file status information
* using lstat(2).
*/
if (lstat(SYMFILE, &stat_buf) < 0) {
tst_brkm(TFAIL, cleanup, "lstat(2) of "
"%s failed, error:%d", SYMFILE,
errno);
/*NOTREACHED*/
}
/* Check if the st_mode contains a link */
if (!S_ISLNK(stat_buf.st_mode)) {
tst_resm(TFAIL,
"symlink of %s doesn't exist",
TESTFILE);
} else {
tst_resm(TPASS, "symlink(%s, %s) "
"functionality successful",
TESTFILE, SYMFILE);
}
} else {
tst_resm(TPASS, "Call succeeded");
}
}
/* Unlink the symlink file for next loop */
if (unlink(SYMFILE) == -1) {
tst_brkm(TBROK, cleanup,
"unlink(%s) Failed, errno=%d : %s",
SYMFILE, errno, strerror(errno));
/*NOTREACHED*/
}
Tst_count++; /* incr TEST_LOOP counter */
} /* End for TEST_LOOPING */
/* Call cleanup() to undo setup done for the test. */
cleanup();
/*NOTREACHED*/
} /* End main */
/*
* void
* setup() - performs all ONE TIME setup for this test.
* Create a temporary directory and change directory to it.
* Create a test file under temporary directory and close it
*/
void
setup()
{
int fd; /* file handle for testfile */
/* capture signals */
tst_sig(NOFORK, DEF_HANDLER, cleanup);
/* Pause if that option was specified
* TEST_PAUSE contains the code to fork the test with the -i option.
* You want to make sure you do this before you create your temporary
* directory.
*/
TEST_PAUSE;
/* make a temp directory and cd to it */
tst_tmpdir();
/* creat/open a testfile */
if ((fd = open(TESTFILE, O_RDWR|O_CREAT, FILE_MODE)) == -1) {
tst_brkm(TBROK, cleanup,
"open(%s, O_RDWR|O_CREAT, %#o) Failed, errno=%d : %s",
TESTFILE, FILE_MODE, errno, strerror(errno));
/*NOTREACHED*/
}
/* Close the temporary file created above */
if (close(fd) == -1) {
tst_resm(TBROK, "close(%s) Failed, errno=%d : %s",
TESTFILE, errno, strerror(errno));
}
} /* End setup() */
/*
* void
* cleanup() - performs all ONE TIME cleanup for this test at
* completion or premature exit.
* Remove the test directory and testfile created in the setup.
*/
void
cleanup()
{
/*
* print timing stats if that option was specified.
* print errno log if that option was specified.
*/
TEST_CLEANUP;
/* Remove tmp dir and all files in it */
tst_rmdir();
/* exit with return code appropriate for results */
tst_exit();
} /* End cleanup() */