xref: /external/ltp/testcases/kernel/syscalls/keyctl/keyctl01.c

/******************************************************************************/
/* Copyright (c) Crackerjack Project., 2007				   */
/*									    */
/* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA    */
/*									    */
/******************************************************************************/
/******************************************************************************/
/*									    */
/* File:	keyctl01.c				   		      */
/*									    */
/* Description: This tests the keyctl() syscall				      */
/*		Manipulate the kernel's key management facility	       */
/* Usage:  <for command-line>						 */
/* keyctl01 [-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.				*/
/*									    */
/* Total Tests: 2							     */
/*									    */
/* Test Name:   keyctl01					     	      */
/* History:     Porting from Crackerjack to LTP is done by		    */
/*	      Manas Kumar Nayak maknayak@in.ibm.com>			*/
/******************************************************************************/

#include "config.h"
#include <sys/types.h>
#if HAVE_KEYCTL_SYSCALL
#include <linux/keyctl.h>
#endif
#include <errno.h>
#if HAVE_KEYCTL_SYSCALL
#include <keyutils.h>
#endif
#include <limits.h>
#include <stdio.h>

/* Harness Specific Include Files. */
#include "test.h"
#include "usctest.h"
#include "linux_syscall_numbers.h"

/* Extern Global Variables */

/* Global Variables */
char *TCID = "keyctl01";/* Test program identifier.*/
int  testno;
int  TST_TOTAL = 2;	/* total number of tests in this file.   */

#if HAVE_KEYCTL_SYSCALL
/* Extern Global Functions */
/******************************************************************************/
/*									    */
/* Function:    cleanup						       */
/*									    */
/* Description: Performs all one time clean up for this test on successful    */
/*	      completion,  premature exit or  failure. Closes all temporary */
/*	      files, removes all temporary directories exits the test with  */
/*	      appropriate return code by calling tst_exit() function.       */
/*									    */
/* Input:       None.							 */
/*									    */
/* Output:      None.							 */
/*									    */
/* Return:      On failure - Exits calling tst_exit(). Non '0' return code.   */
/*	      On success - Exits calling tst_exit(). With '0' return code.  */
/*									    */
/******************************************************************************/
extern void cleanup() {

	TEST_CLEANUP;
	tst_rmdir();

}

/* Local  Functions */
/******************************************************************************/
/*									    */
/* Function:    setup							 */
/*									    */
/* Description: Performs all one time setup for this test. This function is   */
/*	      typically used to capture signals, create temporary dirs      */
/*	      and temporary files that may be used in the course of this    */
/*	      test.							 */
/*									    */
/* Input:       None.							 */
/*									    */
/* Output:      None.							 */
/*									    */
/* Return:      On failure - Exits by calling cleanup().		      */
/*	      On success - returns 0.				       */
/*									    */
/******************************************************************************/
void setup() {
	/* Capture signals if any */
	/* Create temporary directories */
	TEST_PAUSE;
	tst_tmpdir();
}

int main(int ac, char **av) {
	int ret;
	int lc;
	key_serial_t ne_key;
	char *msg;

	if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) {
		tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
		tst_exit();
	}

	setup();

	for (lc = 0; TEST_LOOPING(lc); lc++) {

		Tst_count = 0;

		for (testno = 1; testno < TST_TOTAL; ++testno) {

			/* Call keyctl() and ask for a keyring's ID. */
			ret = syscall(__NR_keyctl, KEYCTL_GET_KEYRING_ID,
					KEY_SPEC_USER_SESSION_KEYRING);
			if (ret != -1) {
				tst_resm(TPASS,"KEYCTL_GET_KEYRING_ID succeeded");
			} else {
		 		tst_resm(TFAIL|TERRNO, "KEYCTL_GET_KEYRING_ID");
			}

			for (ne_key = INT32_MAX; ne_key > INT32_MIN;
			    ne_key--) {
				ret = syscall(__NR_keyctl, KEYCTL_READ,
					ne_key);
				if (ret == -1 && errno == ENOKEY)
					break;
			}

			/* Call keyctl. */
			ret = syscall(__NR_keyctl, KEYCTL_REVOKE, ne_key);
			if (ret != -1) {
				tst_resm(TFAIL|TERRNO,
					"KEYCTL_REVOKE succeeded unexpectedly");
			} else {
				/* Check for the correct error num. */
				if (errno == ENOKEY) {
					tst_resm(TPASS|TERRNO,
						"KEYCTL_REVOKE got expected "
						"errno");
				} else {
					tst_resm(TFAIL|TERRNO,
						"KEYCTL_REVOKE got unexpected "
						"errno");
				}

			}

		}

	}
	cleanup();

	return (1);
}
#else
int
main(void)
{
	tst_resm(TCONF, "keyctl syscall support not available on system");
	tst_exit();
}
#endif