1 /* SCTP kernel Implementation 2 * Copyright (c) 2003 Hewlett-Packard Development Company, L.P 3 * (C) Copyright IBM Corp. 2004 4 * 5 * This file has test cases to test the connect () call for 1-1 style sockets 6 * 7 * TEST1: Bad socket descriptor 8 * TEST2: Invalid socket 9 * TEST3: Invalid address 10 * TEST4: Invalid address length 11 * TEST5: Invalid address family 12 * TEST6: Valid blocking connect 13 * TEST7: Connect when accept queue is full 14 * TEST8: On a listening socket 15 * TEST9: On established socket 16 * TEST10: Connect to re-establish a closed association. 17 * 18 * The SCTP implementation is free software; 19 * you can redistribute it and/or modify it under the terms of 20 * the GNU General Public License as published by 21 * the Free Software Foundation; either version 2, or (at your option) 22 * any later version. 23 * 24 * The SCTP implementation is distributed in the hope that it 25 * will be useful, but WITHOUT ANY WARRANTY; without even the implied 26 * ************************ 27 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 28 * See the GNU General Public License for more details. 29 * 30 * You should have received a copy of the GNU General Public License 31 * along with GNU CC; see the file COPYING. If not, write to 32 * the Free Software Foundation, 59 Temple Place - Suite 330, 33 * Boston, MA 02111-1307, USA. 34 * 35 * Please send any bug reports or fixes you make to the 36 * email address(es): 37 * lksctp developers <lksctp-developers (at) lists.sourceforge.net> 38 * 39 * Or submit a bug report through the following website: 40 * http://www.sf.net/projects/lksctp 41 * 42 * Any bugs reported given to us we will try to fix... any fixes shared will 43 * be incorporated into the next SCTP release 44 * 45 */ 46 47 #include <stdio.h> 48 #include <unistd.h> 49 #include <fcntl.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include <sys/types.h> 53 #include <sys/socket.h> 54 #include <linux/socket.h> 55 #include <netinet/in.h> /* for sockaddr_in */ 56 #include <arpa/inet.h> 57 #include <sys/errno.h> 58 #include <sys/uio.h> 59 #include <netinet/sctp.h> 60 #include "sctputil.h" 61 62 char *TCID = __FILE__; 63 int TST_TOTAL = 10; 64 int TST_CNT = 0; 65 66 #define SK_MAX 10 67 68 int 69 main(int argc, char *argv[]) 70 { 71 int error,i; 72 socklen_t len; 73 int sk,lstn_sk,clnt_sk[SK_MAX],acpt_sk[SK_MAX],pf_class; 74 int sk1,clnt2_sk; 75 int fd, err_no = 0; 76 char filename[21]; 77 78 struct sockaddr_in conn_addr,lstn_addr,acpt_addr; 79 80 /* Rather than fflush() throughout the code, set stdout to 81 * be unbuffered. 82 */ 83 setvbuf(stdout, NULL, _IONBF, 0); 84 setvbuf(stderr, NULL, _IONBF, 0); 85 86 pf_class = PF_INET; 87 88 sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP); 89 sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP); 90 91 /*Creating a listen socket*/ 92 lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP); 93 94 /*Creating a regular socket*/ 95 for (i = 0 ; i < SK_MAX ; i++) 96 clnt_sk[i] = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP); 97 98 clnt2_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP); 99 100 conn_addr.sin_family = AF_INET; 101 conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK; 102 conn_addr.sin_port = htons(SCTP_TESTPORT_1); 103 104 lstn_addr.sin_family = AF_INET; 105 lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK; 106 lstn_addr.sin_port = htons(SCTP_TESTPORT_1); 107 108 /*Binding the listen socket*/ 109 test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr)); 110 111 /*Listening the socket*/ 112 test_listen(lstn_sk, SK_MAX-1); 113 114 115 /*connect () TEST1: Bad socket descriptor, EBADF Expected error*/ 116 len = sizeof(struct sockaddr_in); 117 error = connect(-1, (const struct sockaddr *) &conn_addr, len); 118 if (error != -1 || errno != EBADF) 119 tst_brkm(TBROK, tst_exit, "connect with bad socket " 120 "descriptor error:%d, errno:%d", error, errno); 121 122 tst_resm(TPASS, "connect() with bad socket descriptor - EBADF"); 123 124 /*connect () TEST2: Invalid socket, ENOTSOCK Expected error*/ 125 strcpy(filename, "/tmp/sctptest.XXXXXX"); 126 fd = mkstemp(filename); 127 if (fd == -1) 128 tst_brkm(TBROK, tst_exit, "Failed to mkstemp %s: %s", 129 filename, strerror(errno)); 130 error = connect(fd, (const struct sockaddr *) &conn_addr, len); 131 if (error == -1) 132 err_no = errno; 133 close(fd); 134 unlink(filename); 135 if (error != -1 || err_no != ENOTSOCK) 136 tst_brkm(TBROK, tst_exit, "connect with invalid socket " 137 "error:%d, errno:%d", error, err_no); 138 139 tst_resm(TPASS, "connect() with invalid socket - ENOTSOCK"); 140 141 /*connect () TEST3: Invalid address, EFAULT Expected error*/ 142 error = connect(sk, (const struct sockaddr *) -1, len); 143 if (error != -1 || errno != EFAULT) 144 tst_brkm(TBROK, tst_exit, "connect with invalid address " 145 "error:%d, errno:%d", error, errno); 146 147 tst_resm(TPASS, "connect() with invalid address - EFAULT"); 148 149 /*connect () TEST4: Invalid address length, EINVAL Expected error*/ 150 error = connect(sk, (const struct sockaddr *) &conn_addr, (len - 3)); 151 if (error != -1 || errno != EINVAL) 152 tst_brkm(TBROK, tst_exit, "connect with invalid address length " 153 "error:%d, errno:%d", error, errno); 154 155 tst_resm(TPASS, "connect() with invalid address length - EINVAL"); 156 157 /*connect () TEST5: Invalid address family, EINVAL Expect error*/ 158 conn_addr.sin_family = 9090; /*Assigning invalid address family*/ 159 error = connect(sk, (const struct sockaddr *) &conn_addr, len); 160 if (error != -1 || errno != EINVAL) 161 tst_brkm(TBROK, tst_exit, "connect with invalid address family " 162 "error:%d, errno:%d", error, errno); 163 164 tst_resm(TPASS, "connect() with invalid address family - EINVAL"); 165 166 conn_addr.sin_family = AF_INET; 167 168 /*connect () TEST6: Blocking connect, should pass*/ 169 /*All the be below blocking connect should pass as socket will be 170 listening SK_MAX clients*/ 171 for (i = 0 ; i < SK_MAX ; i++) { 172 error = connect(clnt_sk[i], (const struct sockaddr *)&conn_addr, 173 len); 174 if (error < 0) 175 tst_brkm(TBROK, tst_exit, "valid blocking connect " 176 "error:%d, errno:%d", error, errno); 177 } 178 179 tst_resm(TPASS, "valid blocking connect() - SUCCESS"); 180 181 /*connect () TEST7: connect when accept queue is full, ECONNREFUSED 182 Expect error*/ 183 /*Now that accept queue is full, the below connect should fail*/ 184 error = connect(clnt2_sk, (const struct sockaddr *) &conn_addr, len); 185 if (error != -1 || errno != ECONNREFUSED) 186 tst_brkm(TBROK, tst_exit, "connect when accept queue is full " 187 "error:%d, errno:%d", error, errno); 188 189 tst_resm(TPASS, "connect() when accept queue is full - ECONNREFUSED"); 190 191 /*Calling a accept first to estblish the pending connections*/ 192 for (i=0 ; i < SK_MAX ; i++) 193 acpt_sk[i] = test_accept(lstn_sk, 194 (struct sockaddr *) &acpt_addr, &len); 195 196 /*connect () TEST8: from a listening socket, EISCONN Expect error*/ 197 error = connect(lstn_sk, (const struct sockaddr *) &lstn_addr, len); 198 if (error != -1 || errno != EISCONN) 199 tst_brkm(TBROK, tst_exit, "connect on a listening socket " 200 "error:%d, errno:%d", error, errno); 201 202 tst_resm(TPASS, "connect() on a listening socket - EISCONN"); 203 204 /*connect() TEST9: On established socket, EISCONN Expect error*/ 205 i=0; 206 error = connect(acpt_sk[i], (const struct sockaddr *) &lstn_addr, len); 207 if (error != -1 || errno != EISCONN) 208 tst_brkm(TBROK, tst_exit, "connect on an established socket " 209 "error:%d, errno:%d", error, errno); 210 211 tst_resm(TPASS, "connect() on an established socket - EISCONN"); 212 213 for (i = 0 ; i < 4 ; i++) { 214 close(clnt_sk[i]); 215 close(acpt_sk[i]); 216 } 217 218 /* connect() TEST10: Re-establish an association that is closed. 219 * should succeed. 220 */ 221 error = connect(sk1, (const struct sockaddr *)&conn_addr, len); 222 if (error < 0) 223 tst_brkm(TBROK, tst_exit, "Re-establish an association that " 224 "is closed error:%d, errno:%d", error, errno); 225 226 tst_resm(TPASS, "connect() to re-establish a closed association - " 227 "SUCCESS"); 228 229 close(sk); 230 close(sk1); 231 close(lstn_sk); 232 233 return 0; 234 } 235
