1 /* 2 * 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 /* 21 * Test Name: getresuid01 22 * 23 * Test Description: 24 * Verify that getresuid() will be successful to get the real, effective 25 * and saved user id of the calling process. 26 * 27 * Expected Result: 28 * getresuid() should return with 0 value and the real/effective/saved 29 * user ids should be equal to that of calling process. 30 * 31 * Algorithm: 32 * Setup: 33 * Setup signal handling. 34 * Pause for SIGUSR1 if option specified. 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 * Log the errno and Issue a FAIL message. 41 * Otherwise, 42 * Verify the Functionality of system call 43 * if successful, 44 * Issue Functionality-Pass message. 45 * Otherwise, 46 * Issue Functionality-Fail message. 47 * Cleanup: 48 * Print errno log and/or timing stats if options given 49 * 50 * Usage: <for command-line> 51 * getresuid01 [-c n] [-f] [-i n] [-I x] [-P x] [-t] 52 * where, -c n : Run n copies concurrently. 53 * -f : Turn off functionality Testing. 54 * -i n : Execute test n times. 55 * -I x : Execute test for x seconds. 56 * -P x : Pause for x seconds between iterations. 57 * -t : Turn on syscall timing. 58 * 59 * HISTORY 60 * 07/2001 Ported by Wayne Boyer 61 * 62 * RESTRICTIONS: 63 * None. 64 * 65 */ 66 #include <stdio.h> 67 #include <unistd.h> 68 #include <sys/types.h> 69 #include <errno.h> 70 #include <fcntl.h> 71 #include <string.h> 72 #include <signal.h> 73 74 #include "test.h" 75 76 extern int getresuid(uid_t *, uid_t *, uid_t *); 77 78 char *TCID = "getresuid01"; 79 int TST_TOTAL = 1; 80 uid_t pr_uid, pe_uid, ps_uid; /* calling process real/effective/saved uid */ 81 82 void setup(); /* Main setup function of test */ 83 void cleanup(); /* cleanup function for the test */ 84 85 int main(int ac, char **av) 86 { 87 int lc; 88 uid_t real_uid, /* real/eff./saved user id from getresuid() */ 89 eff_uid, sav_uid; 90 91 tst_parse_opts(ac, av, NULL, NULL); 92 93 setup(); 94 95 for (lc = 0; TEST_LOOPING(lc); lc++) { 96 97 tst_count = 0; 98 99 /* 100 * Call getresuid() to get the real/effective/saved 101 * user id's of the calling process. 102 */ 103 TEST(getresuid(&real_uid, &eff_uid, &sav_uid)); 104 105 if (TEST_RETURN == -1) { 106 tst_resm(TFAIL, "getresuid() Failed, errno=%d : %s", 107 TEST_ERRNO, strerror(TEST_ERRNO)); 108 continue; 109 } 110 111 if ((real_uid != pr_uid) || (eff_uid != pe_uid) || 112 (sav_uid != ps_uid)) { 113 tst_resm(TFAIL, "real:%d, effective:%d, " 114 "saved-user:%d ids differ", 115 real_uid, eff_uid, sav_uid); 116 } else { 117 tst_resm(TPASS, "Functionality of getresuid() " 118 "successful"); 119 } 120 } 121 122 cleanup(); 123 tst_exit(); 124 } 125 126 /* 127 * setup() - performs all ONE TIME setup for this test. 128 * Get the real/effective/saved user id of the calling process. 129 */ 130 void setup(void) 131 { 132 133 tst_sig(NOFORK, DEF_HANDLER, cleanup); 134 135 TEST_PAUSE; 136 137 /* Real user-id of the calling process */ 138 pr_uid = getuid(); 139 140 /* Effective user-id of the calling process */ 141 pe_uid = geteuid(); 142 143 /* Saved user-id of the calling process */ 144 ps_uid = geteuid(); 145 146 } 147 148 /* 149 * cleanup() - performs all ONE TIME cleanup for this test at 150 * completion or premature exit. 151 */ 152 void cleanup(void) 153 { 154 155 } 156