1 /* 2 * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of version 2 of the GNU General Public License as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it would be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * 12 * You should have received a copy of the GNU General Public License along 13 * with this program; if not, write the Free Software Foundation, Inc., 14 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 15 * 16 */ 17 /********************************************************** 18 * 19 * TEST IDENTIFIER : setdomainname01 20 * 21 * EXECUTED BY : root / superuser 22 * 23 * TEST TITLE : Basic test for setdomainame(2) 24 * 25 * TEST CASE TOTAL : 1 26 * 27 * AUTHOR : Saji Kumar.V.R <saji.kumar@wipro.com> 28 * 29 * SIGNALS 30 * Uses SIGUSR1 to pause before test if option set. 31 * (See the parse_opts(3) man page). 32 * 33 * DESCRIPTION 34 * This is a Phase I test for the setdomainname(2) system call. 35 * It is intended to provide a limited exposure of the system call. 36 * 37 * Setup: 38 * Setup signal handling. 39 * Pause for SIGUSR1 if option specified. 40 * Save the current domainname. 41 * 42 * Test: 43 * Loop if the proper options are given. 44 * Execute system call 45 * Check return code, if system call failed (return=-1) 46 * Log the errno and Issue a FAIL message. 47 * Otherwise, Issue a PASS message. 48 * 49 * Cleanup: 50 * Restore old domain name. 51 * Print errno log and/or timing stats if options given 52 * 53 * USAGE: <for command-line> 54 * setdomainname01 [-c n] [-e] [-i n] [-I x] [-P x] [-t] [-h] [-f] [-p] 55 * where, -c n : Run n copies concurrently. 56 * -e : Turn on errno logging. 57 * -h : Show help screen 58 * -f : Turn off functional testing 59 * -i n : Execute test n times. 60 * -I x : Execute test for x seconds. 61 * -p : Pause for SIGUSR1 before starting 62 * -P x : Pause for x seconds between iterations. 63 * -t : Turn on syscall timing. 64 * 65 ****************************************************************/ 66 67 #include <errno.h> 68 #include <string.h> 69 #include <sys/utsname.h> 70 #include "test.h" 71 72 #define MAX_NAME_LEN _UTSNAME_DOMAIN_LENGTH 73 74 static void setup(); 75 static void cleanup(); 76 77 char *TCID = "setdomainname01"; 78 int TST_TOTAL = 1; 79 80 static char *test_domain_name = "test_dom"; 81 static char old_domain_name[MAX_NAME_LEN]; 82 83 int main(int ac, char **av) 84 { 85 86 int lc; 87 88 tst_parse_opts(ac, av, NULL, NULL); 89 90 setup(); 91 92 for (lc = 0; TEST_LOOPING(lc); lc++) { 93 94 tst_count = 0; 95 96 /* 97 * Call setdomainname(2) 98 */ 99 TEST(setdomainname(test_domain_name, sizeof(test_domain_name))); 100 101 /* check return code */ 102 if (TEST_RETURN == -1) { 103 tst_resm(TFAIL, "setdomainname() Failed, errno = %d :" 104 " %s", TEST_ERRNO, strerror(TEST_ERRNO)); 105 } else { 106 tst_resm(TPASS, "setdomainname() returned %ld, " 107 "Domain name set to \"%s\"", TEST_RETURN, 108 test_domain_name); 109 } 110 111 } 112 113 /* cleanup and exit */ 114 cleanup(); 115 tst_exit(); 116 117 } 118 119 /* setup() - performs all ONE TIME setup for this test */ 120 void setup(void) 121 { 122 tst_require_root(); 123 124 tst_sig(NOFORK, DEF_HANDLER, cleanup); 125 126 /* Save current domain name */ 127 if ((getdomainname(old_domain_name, sizeof(old_domain_name))) < 0) { 128 tst_brkm(TBROK, NULL, "getdomainname() failed while" 129 " getting current domain name"); 130 } 131 132 TEST_PAUSE; 133 134 } 135 136 /* 137 *cleanup() - performs all ONE TIME cleanup for this test at 138 * completion or premature exit. 139 */ 140 void cleanup(void) 141 { 142 143 /* Restore domain name */ 144 if ((setdomainname(old_domain_name, strlen(old_domain_name))) < 0) { 145 tst_resm(TWARN, "setdomainname() failed while restoring" 146 " domainname to \"%s\"", old_domain_name); 147 } 148 149 } 150