245 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			245 lines
		
	
	
		
			6.6 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: fstat02
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 *
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 * Test Description:
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 *  Verify that, fstat(2) succeeds to get the status of a file and fills
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 *  the stat structure elements though file pointed to by file descriptor
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 *  not opened for reading.
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 *
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 * Expected Result:
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 *  fstat() should return value 0 on success and the stat structure elements
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 *  should be filled with specified 'file' information.
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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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 *   	Log the errno and Issue a FAIL message.
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 *   Otherwise,
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 *   	Verify the Functionality of system call	
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 *      if successful,
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 *      	Issue Functionality-Pass message.
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 *      Otherwise,
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 *		Issue Functionality-Fail message.
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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 created.
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 *
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 * Usage:  <for command-line>
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 *  fstat02 [-c n] [-f] [-i n] [-I x] [-P x] [-t]
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 *     where,  -c n : Run n copies concurrently.
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 *             -f   : Turn off functionality Testing.
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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 run by 'non-super-user' only.
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 *
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 */
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#include <sys/types.h>
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#include <sys/fcntl.h>
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#include <sys/stat.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 FILE_MODE	0644
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#define TESTFILE	"testfile"
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#define FILE_SIZE       1024
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#define BUF_SIZE	256
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#define MASK		0777
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const char *TCID="fstat02"; 	/* Test program identifier.    */
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int TST_TOTAL=1;    		/* Total number of test cases. */
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extern int Tst_count;		/* Test Case counter for tst_* routines */
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uid_t User_id;			/* user id/group id of test process */
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gid_t Group_id;
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int fildes;			/* File descriptor of testfile */
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void setup();			/* Setup function for the test */
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void cleanup() __attribute__((noreturn));/* 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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	struct stat stat_buf;	/* stat structure buffer */
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	int lc;			/* loop counter */
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	const char *msg;	/* message returned from parse_opts */
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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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	/* Perform global setup for test */
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	setup();
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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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		/* 
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		 * Call fstat(2) to get the status of
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		 * specified 'file' pointed to by 'fd'
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		 * into stat structure.
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		 */
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		TEST(fstat(fildes, &stat_buf));
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		/* check return code of fstat(2) */
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		if (TEST_RETURN == -1) {
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			tst_resm(TFAIL,
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				 "fstat on %s Failed, errno=%d : %s",
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				 TESTFILE, TEST_ERRNO, strerror(TEST_ERRNO));
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			continue;
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		}
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		/*
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		 * Perform functional verification if test
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		 * executed without (-f) option.
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		 */
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		if (STD_FUNCTIONAL_TEST) {
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			/*
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			 * Verify the data returned by fstat(2)
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			 * aganist the expected data.
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			 */
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			if ((stat_buf.st_uid != User_id) ||
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			    (stat_buf.st_gid != Group_id) ||
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			    (stat_buf.st_size != FILE_SIZE) ||
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			    ((stat_buf.st_mode & MASK) != FILE_MODE)) {
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				tst_resm(TFAIL, "Functionality of fstat(2) on "
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					 "'%s' Failed", TESTFILE);
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			} else {
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				tst_resm(TPASS, "Functionality of fstat(2) on "
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					 "'%s' Succcessful", TESTFILE);
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			}
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		} else {
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			tst_resm(TPASS, "call succeeded");
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		}
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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 setup function for the test.
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 *  Creat a temporary directory and chdir to it.
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 *  Creat a temporary file and write some known data into it.
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 *  Get the effective uid/gid of test process.
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 */
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void 
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setup()
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{
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	int i;
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	char tst_buff[BUF_SIZE];
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	int wbytes;
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	int write_len = 0;
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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 super/root  */
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	if (geteuid() == 0) {
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		tst_brkm(TBROK, NULL, "Must be non-super/root 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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	if ((fildes = open(TESTFILE, O_WRONLY|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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			 TESTFILE, FILE_MODE, errno, strerror(errno));
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	}
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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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	/* Write to the file 1k data from the buffer */
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	while (write_len < FILE_SIZE) {
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		if ((wbytes = write(fildes, 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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				 TESTFILE, errno, strerror(errno));
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		} else {
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			write_len += wbytes;
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		}
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	}
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	/* Get the uid/gid of the process */
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	User_id = getuid();
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	Group_id = getgid();
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}	/* End setup() */
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/*
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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 test file and remove the test file and temporary directory.
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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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	 * print errno log if that option was specified.
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	 */
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	TEST_CLEANUP;
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	/* Close the test file */
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	if (close(fildes) == -1) {
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		tst_brkm(TFAIL, NULL, "close(%s) Failed, errno=%d : %s",
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			 TESTFILE, 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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