1 /* 2 * 3 * Copyright (c) International Business Machines Corp., 2001 4 * 07/2001 Ported by Wayne Boyer 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 14 * the GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 /* 22 * Description: 23 * Verify that accept() returns the proper errno for various failure cases 24 */ 25 26 #include <stdio.h> 27 #include <unistd.h> 28 #include <errno.h> 29 #include <fcntl.h> 30 31 #include <sys/types.h> 32 #include <sys/socket.h> 33 #include <sys/signal.h> 34 35 #include <netinet/in.h> 36 37 #include "test.h" 38 #include "safe_macros.h" 39 40 char *TCID = "accept01"; 41 int testno; 42 43 int s; /* socket descriptor */ 44 struct sockaddr_in sin0, fsin1; 45 socklen_t sinlen; 46 47 static void setup(void); 48 static void cleanup(void); 49 static void setup0(void); 50 static void cleanup0(void); 51 static void setup1(void); 52 static void cleanup1(void); 53 static void setup2(void); 54 static void setup3(void); 55 56 struct test_case_t { /* test case structure */ 57 int domain; /* PF_INET, PF_UNIX, ... */ 58 int type; /* SOCK_STREAM, SOCK_DGRAM ... */ 59 int proto; /* protocol number (usually 0 = default) */ 60 struct sockaddr *sockaddr; /* socket address buffer */ 61 socklen_t *salen; /* accept's 3rd argument */ 62 int retval; /* syscall return value */ 63 int experrno; /* expected errno */ 64 void (*setup) (void); 65 void (*cleanup) (void); 66 char *desc; 67 } tdat[] = { 68 { 69 PF_INET, SOCK_STREAM, 0, (struct sockaddr *)&fsin1, 70 &sinlen, -1, EBADF, setup0, cleanup0, 71 "bad file descriptor"}, { 72 PF_INET, SOCK_STREAM, 0, (struct sockaddr *)&fsin1, 73 &sinlen, -1, ENOTSOCK, setup0, cleanup0, 74 "bad file descriptor"}, { 75 PF_INET, SOCK_STREAM, 0, (struct sockaddr *)3, 76 &sinlen, -1, EINVAL, setup1, cleanup1, 77 "invalid socket buffer"}, { 78 PF_INET, SOCK_STREAM, 0, (struct sockaddr *)&fsin1, 79 (socklen_t *) 1, -1, EINVAL, setup1, cleanup1, 80 "invalid salen"}, { 81 PF_INET, SOCK_STREAM, 0, (struct sockaddr *)&fsin1, 82 &sinlen, -1, EINVAL, setup2, cleanup1, 83 "invalid salen"}, { 84 PF_INET, SOCK_STREAM, 0, (struct sockaddr *)&fsin1, 85 &sinlen, -1, EINVAL, setup3, cleanup1, 86 "no queued connections"}, { 87 PF_INET, SOCK_DGRAM, 0, (struct sockaddr *)&fsin1, 88 &sinlen, -1, EOPNOTSUPP, setup1, cleanup1, 89 "UDP accept"},}; 90 91 int TST_TOTAL = sizeof(tdat) / sizeof(tdat[0]); 92 93 int main(int ac, char *av[]) 94 { 95 int lc; 96 97 tst_parse_opts(ac, av, NULL, NULL); 98 99 setup(); 100 101 for (lc = 0; TEST_LOOPING(lc); ++lc) { 102 tst_count = 0; 103 for (testno = 0; testno < TST_TOTAL; ++testno) { 104 tdat[testno].setup(); 105 106 TEST(accept(s, tdat[testno].sockaddr, 107 tdat[testno].salen)); 108 if (TEST_RETURN > 0) 109 TEST_RETURN = 0; 110 if (TEST_RETURN != tdat[testno].retval || 111 (TEST_RETURN < 0 && 112 TEST_ERRNO != tdat[testno].experrno)) { 113 tst_resm(TFAIL, "%s ; returned" 114 " %ld (expected %d), errno %d (expected" 115 " %d)", tdat[testno].desc, 116 TEST_RETURN, tdat[testno].retval, 117 TEST_ERRNO, tdat[testno].experrno); 118 } else { 119 tst_resm(TPASS, "%s successful", 120 tdat[testno].desc); 121 } 122 tdat[testno].cleanup(); 123 } 124 } 125 126 cleanup(); 127 tst_exit(); 128 } 129 130 static void setup(void) 131 { 132 TEST_PAUSE; 133 134 /* initialize local sockaddr */ 135 sin0.sin_family = AF_INET; 136 sin0.sin_port = 0; 137 sin0.sin_addr.s_addr = INADDR_ANY; 138 } 139 140 static void cleanup(void) 141 { 142 } 143 144 static void setup0(void) 145 { 146 if (tdat[testno].experrno == EBADF) 147 s = 400; /* anything not an open file */ 148 else if ((s = open("/dev/null", O_WRONLY)) == -1) 149 tst_brkm(TBROK | TERRNO, cleanup, "error opening /dev/null"); 150 } 151 152 static void cleanup0(void) 153 { 154 s = -1; 155 } 156 157 static void setup1(void) 158 { 159 s = socket(tdat[testno].domain, tdat[testno].type, tdat[testno].proto); 160 if (s < 0) { 161 tst_brkm(TBROK, cleanup, "socket setup failed for accept " 162 "test %d: %s", testno, strerror(errno)); 163 } 164 if (bind(s, (struct sockaddr *)&sin0, sizeof(sin0)) < 0) { 165 tst_brkm(TBROK, cleanup, "socket bind failed for accept " 166 "test %d: %s", testno, strerror(errno)); 167 } 168 sinlen = sizeof(fsin1); 169 } 170 171 static void cleanup1(void) 172 { 173 (void)close(s); 174 s = -1; 175 } 176 177 static void setup2(void) 178 { 179 setup1(); /* get a socket in s */ 180 sinlen = 1; /* invalid s */ 181 } 182 183 static void setup3(void) 184 { 185 int one = 1; 186 187 setup1(); 188 SAFE_IOCTL(cleanup, s, FIONBIO, &one); 189 } 190