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      1 /******************************************************************************
      2  * Copyright (c) Crackerjack Project., 2007				      *
      3  *									      *
      4  * This program is free software;  you can redistribute it and/or modify      *
      5  * it under the terms of the GNU General Public License as published by       *
      6  * the Free Software Foundation; either version 2 of the License, or	      *
      7  * (at your option) any later version.					      *
      8  *									      *
      9  * This program is distributed in the hope that it will be useful,	      *
     10  * but WITHOUT ANY WARRANTY;  without even the implied warranty of	      *
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See		      *
     12  * the GNU General Public License for more details.			      *
     13  *									      *
     14  * You should have received a copy of the GNU General Public License	      *
     15  * along with this program;  if not, write to the Free Software Foundation,   *
     16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA           *
     17  *                                                                            *
     18  ******************************************************************************/
     19 /*
     20  * Description: This tests the keyctl() syscall
     21  *		Manipulate the kernel's key management facility
     22  *
     23  * History:     Porting from Crackerjack to LTP is done by
     24  *	      Manas Kumar Nayak maknayak (at) in.ibm.com>
     25  */
     26 
     27 #include "config.h"
     28 #include <sys/types.h>
     29 #include <errno.h>
     30 #include <limits.h>
     31 #include <stdio.h>
     32 #include <stdint.h>
     33 #ifdef HAVE_LINUX_KEYCTL_H
     34 # include <linux/keyctl.h>
     35 #endif
     36 
     37 #include "test.h"
     38 #include "linux_syscall_numbers.h"
     39 
     40 char *TCID = "keyctl01";
     41 int testno;
     42 int TST_TOTAL = 2;
     43 
     44 #ifdef HAVE_LINUX_KEYCTL_H
     45 
     46 static void cleanup(void)
     47 {
     48 	tst_rmdir();
     49 }
     50 
     51 static void setup(void)
     52 {
     53 	TEST_PAUSE;
     54 	tst_tmpdir();
     55 }
     56 
     57 int main(int ac, char **av)
     58 {
     59 	int ret;
     60 	int lc;
     61 	int32_t ne_key;
     62 
     63 	tst_parse_opts(ac, av, NULL, NULL);
     64 
     65 	setup();
     66 
     67 	for (lc = 0; TEST_LOOPING(lc); lc++) {
     68 
     69 		tst_count = 0;
     70 
     71 		for (testno = 1; testno < TST_TOTAL; ++testno) {
     72 
     73 			/* Call keyctl() and ask for a keyring's ID. */
     74 			ret = ltp_syscall(__NR_keyctl, KEYCTL_GET_KEYRING_ID,
     75 				      KEY_SPEC_USER_SESSION_KEYRING);
     76 			if (ret != -1) {
     77 				tst_resm(TPASS,
     78 					 "KEYCTL_GET_KEYRING_ID succeeded");
     79 			} else {
     80 				tst_resm(TFAIL | TERRNO,
     81 					 "KEYCTL_GET_KEYRING_ID");
     82 			}
     83 
     84 			for (ne_key = INT32_MAX; ne_key > INT32_MIN; ne_key--) {
     85 				ret = ltp_syscall(__NR_keyctl, KEYCTL_READ,
     86 					ne_key);
     87 				if (ret == -1 && errno == ENOKEY)
     88 					break;
     89 			}
     90 
     91 			/* Call keyctl. */
     92 			ret = ltp_syscall(__NR_keyctl, KEYCTL_REVOKE, ne_key);
     93 			if (ret != -1) {
     94 				tst_resm(TFAIL | TERRNO,
     95 					 "KEYCTL_REVOKE succeeded unexpectedly");
     96 			} else {
     97 				/* Check for the correct error num. */
     98 				if (errno == ENOKEY) {
     99 					tst_resm(TPASS | TERRNO,
    100 						 "KEYCTL_REVOKE got expected "
    101 						 "errno");
    102 				} else {
    103 					tst_resm(TFAIL | TERRNO,
    104 						 "KEYCTL_REVOKE got unexpected "
    105 						 "errno");
    106 				}
    107 
    108 			}
    109 
    110 		}
    111 
    112 	}
    113 	cleanup();
    114 	tst_exit();
    115 }
    116 #else
    117 int main(void)
    118 {
    119 	tst_brkm(TCONF, NULL, "keyctl syscall support not available on system");
    120 }
    121 #endif /* HAVE_LINUX_KEYCTL_H */
    122