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: listen01 22 * 23 * Test Description: 24 * Verify that listen() returns the proper errno for various failure cases 25 * 26 * Usage: <for command-line> 27 * listen01 [-c n] [-e] [-i n] [-I x] [-P x] [-t] 28 * where, -c n : Run n copies concurrently. 29 * -e : Turn on errno logging. 30 * -i n : Execute test n times. 31 * -I x : Execute test for x seconds. 32 * -P x : Pause for x seconds between iterations. 33 * -t : Turn on syscall timing. 34 * 35 * HISTORY 36 * 07/2001 Ported by Wayne Boyer 37 * 38 * RESTRICTIONS: 39 * None. 40 * 41 */ 42 43#include <stdio.h> 44#include <unistd.h> 45#include <errno.h> 46#include <fcntl.h> 47 48#include <sys/types.h> 49#include <sys/socket.h> 50#include <sys/signal.h> 51#include <sys/un.h> 52 53#include <netinet/in.h> 54 55#include "test.h" 56 57char *TCID = "listen01"; 58int testno; 59 60int s; /* socket descriptor */ 61 62void setup(void), setup0(void), setup1(void), 63cleanup(void), cleanup0(void), cleanup1(void); 64 65struct test_case_t { /* test case structure */ 66 int domain; /* PF_INET, PF_UNIX, ... */ 67 int type; /* SOCK_STREAM, SOCK_DGRAM ... */ 68 int proto; /* protocol number (usually 0 = default) */ 69 int backlog; /* connect's 3rd argument */ 70 int retval; /* syscall return value */ 71 int experrno; /* expected errno */ 72 void (*setup) (void); 73 void (*cleanup) (void); 74 char *desc; 75} tdat[] = { 76 { 77 0, 0, 0, 0, -1, EBADF, setup0, cleanup0, "bad file descriptor"}, { 78 0, 0, 0, 0, -1, ENOTSOCK, setup0, cleanup0, "not a socket"}, { 79PF_INET, SOCK_DGRAM, 0, 0, -1, EOPNOTSUPP, setup1, cleanup1, 80 "UDP listen"},}; 81 82int TST_TOTAL = sizeof(tdat) / sizeof(tdat[0]); 83 84int main(int argc, char *argv[]) 85{ 86 int lc; 87 88 tst_parse_opts(argc, argv, NULL, NULL); 89 90 setup(); 91 92 for (lc = 0; TEST_LOOPING(lc); ++lc) { 93 tst_count = 0; 94 for (testno = 0; testno < TST_TOTAL; ++testno) { 95 tdat[testno].setup(); 96 97 TEST(listen(s, tdat[testno].backlog)); 98 if (TEST_RETURN != tdat[testno].retval || 99 (TEST_RETURN < 0 && 100 TEST_ERRNO != tdat[testno].experrno)) { 101 tst_resm(TFAIL, "%s ; returned" 102 " %ld (expected %d), errno %d (expected" 103 " %d)", tdat[testno].desc, 104 TEST_RETURN, tdat[testno].retval, 105 TEST_ERRNO, tdat[testno].experrno); 106 } else { 107 tst_resm(TPASS, "%s successful", 108 tdat[testno].desc); 109 } 110 tdat[testno].cleanup(); 111 } 112 } 113 cleanup(); 114 115 tst_exit(); 116} 117 118void setup(void) 119{ 120 TEST_PAUSE; 121} 122 123void cleanup(void) 124{ 125} 126 127void setup0(void) 128{ 129 if (tdat[testno].experrno == EBADF) 130 s = 400; /* anything not an open file */ 131 else if ((s = open("/dev/null", O_WRONLY)) == -1) 132 tst_brkm(TBROK, cleanup, "error opening /dev/null - " 133 "errno: %s", strerror(errno)); 134} 135 136void cleanup0(void) 137{ 138 s = -1; 139} 140 141void setup1(void) 142{ 143 s = socket(tdat[testno].domain, tdat[testno].type, tdat[testno].proto); 144 if (s < 0) { 145 tst_brkm(TBROK, cleanup, "socket setup failed for listen: " 146 "%s", strerror(errno)); 147 } 148} 149 150void cleanup1(void) 151{ 152 (void)close(s); 153 s = -1; 154} 155