1 /* 2 * Copyright (C) Bull S.A. 2001 3 * Copyright (c) International Business Machines Corp., 2001 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 13 * the GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 /* 20 * Test Name: mknod09 21 * 22 * Test Description: 23 * Verify that, mknod() fails with -1 and sets errno to EINVAL if the mode is 24 * different than a normal file, device special file or FIFO. 25 * 26 * Expected Result: 27 * mknod() should fail with return value -1 and sets expected errno. 28 * 29 * Algorithm: 30 * Setup: 31 * Setup signal handling. 32 * Check id is super/root 33 * Pause for SIGUSR1 if option specified. 34 * Create temporary directory. 35 * 36 * Test: 37 * Loop if the proper options are given. 38 * Execute system call 39 * Check return code, if system call failed (return=-1) 40 * if errno set == expected errno 41 * Issue sys call fails with expected return value and errno. 42 * Otherwise, 43 * Issue sys call fails with unexpected errno. 44 * Otherwise, 45 * Issue sys call returns unexpected value. 46 * 47 * Cleanup: 48 * Print errno log and/or timing stats if options given 49 * Delete the temporary directory created. 50 * 51 * Usage: <for command-line> 52 * mknod09 [-c n] [-e] [-f] [-i n] [-I x] [-P x] [-t] 53 * where, -c n : Run n copies concurrently. 54 * -e : Turn on errno logging. 55 * -f : Turn off functionality Testing. 56 * -i n : Execute test n times. 57 * -I x : Execute test for x seconds. 58 * -P x : Pause for x seconds between iterations. 59 * -t : Turn on syscall timing. 60 * 61 * HISTORY 62 * 05/2002 Ported by Andr Merlier 63 * 64 * RESTRICTIONS: 65 * This test should be run by 'super-user' (root) only. 66 * 67 */ 68 69 #include <errno.h> 70 #include <sys/stat.h> 71 #include "test.h" 72 73 #define MODE_RWX S_IFMT /* mode different from those expected */ 74 #define TNODE "tnode" /*pathname */ 75 76 char *TCID = "mknod09"; 77 int TST_TOTAL = 1; 78 79 void setup(); /* setup function for the test */ 80 void cleanup(); /* cleanup function for the test */ 81 82 int main(int ac, char **av) 83 { 84 int lc; 85 char *test_desc; /* test specific error message */ 86 87 tst_parse_opts(ac, av, NULL, NULL); 88 89 setup(); 90 91 for (lc = 0; TEST_LOOPING(lc); lc++) { 92 test_desc = "EINVAL"; 93 94 tst_count = 0; 95 96 /* 97 * Call mknod(2) to test condition. 98 * verify that it fails with -1 return value and 99 * sets appropriate errno. 100 */ 101 TEST(mknod(TNODE, MODE_RWX, 0)); 102 103 /* Check return code from mknod(2) */ 104 if (TEST_RETURN != -1) { 105 tst_resm(TFAIL, "mknod() returned %ld," 106 "expected -1, errno=%d", TEST_RETURN, 107 EINVAL); 108 } else { 109 if (TEST_ERRNO == EINVAL) { 110 tst_resm(TPASS, "mknod() fails with expected " 111 "error EINVAL errno:%d", TEST_ERRNO); 112 } else { 113 tst_resm(TFAIL, "mknod() fails, %s, " 114 "errno=%d, expected errno=%d", 115 test_desc, TEST_ERRNO, EINVAL); 116 } 117 } 118 } 119 120 cleanup(); 121 122 tst_exit(); 123 } 124 125 /* 126 * setup(void) 127 */ 128 void setup(void) 129 { 130 tst_require_root(); 131 132 /* Capture unexpected signals */ 133 tst_sig(NOFORK, DEF_HANDLER, cleanup); 134 135 TEST_PAUSE; 136 137 /* Make a temp dir and cd to it */ 138 tst_tmpdir(); 139 } 140 141 /* 142 * cleanup() 143 */ 144 void cleanup(void) 145 { 146 147 tst_rmdir(); 148 149 } 150