1 /* SCTP kernel Implementation
2 * (C) Copyright IBM Corp. 2002, 2003
3 * Copyright (c) 1999-2001 Motorola, Inc.
5 * The SCTP implementation is free software;
6 * you can redistribute it and/or modify it under the terms of
7 * the GNU General Public License as published by
8 * the Free Software Foundation; either version 2, or (at your option)
11 * The SCTP implementation is distributed in the hope that it
12 * will be useful, but WITHOUT ANY WARRANTY; without even the implied
13 * ************************
14 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
15 * See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU CC; see the file COPYING. If not, write to
19 * the Free Software Foundation, 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
22 * Please send any bug reports or fixes you make to the
24 * lksctp developers <lksctp-developers@lists.sourceforge.net>
26 * Or submit a bug report through the following website:
27 * http://www.sf.net/projects/lksctp
29 * Any bugs reported given to us we will try to fix... any fixes shared will
30 * be incorporated into the next SCTP release.
32 * Written or modified by:
33 * Sridhar Samudrala <sri@us.ibm.com>
36 /* This is a kernel test to verify the one-to-many style connect() in blocking
37 * and non-blocking modes.
45 #include <sys/types.h>
46 #include <sys/socket.h>
48 #include <netinet/in.h>
50 #include <netinet/sctp.h>
53 char *TCID = __FILE__;
58 main(int argc, char *argv[])
60 int svr_sk, clt_sk1, clt_sk2, peeloff_sk;
61 sctp_assoc_t svr_associd1, svr_associd2, clt_associd1, clt_associd2;
62 sockaddr_storage_t svr_loop, clt_loop1, clt_loop2, clt_loop3;
64 struct msghdr inmessage;
66 struct sctp_assoc_change *sac;
70 /* Rather than fflush() throughout the code, set stdout to
73 setvbuf(stdout, NULL, _IONBF, 0);
75 /* Initialize the server and client addresses. */
76 svr_loop.v4.sin_family = AF_INET;
77 svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
78 svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
79 clt_loop1.v4.sin_family = AF_INET;
80 clt_loop1.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
81 clt_loop1.v4.sin_port = htons(SCTP_TESTPORT_2);
82 clt_loop2.v4.sin_family = AF_INET;
83 clt_loop2.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
84 clt_loop2.v4.sin_port = htons(SCTP_TESTPORT_2+1);
85 clt_loop3.v4.sin_family = AF_INET;
86 clt_loop3.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
87 clt_loop3.v4.sin_port = htons(SCTP_TESTPORT_2+2);
89 /* Create and bind the server socket. */
90 svr_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
91 test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop));
93 /* Mark server socket as being able to accept new associations. */
94 test_listen(svr_sk, 1);
96 /* Create and bind the client sockets. */
97 clt_sk1 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
98 test_bind(clt_sk1, &clt_loop1.sa, sizeof(clt_loop1));
99 clt_sk2 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
100 test_bind(clt_sk2, &clt_loop2.sa, sizeof(clt_loop2));
102 /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
103 test_enable_assoc_change(svr_sk);
104 test_enable_assoc_change(clt_sk1);
105 test_enable_assoc_change(clt_sk2);
107 /* Set clt_sk1 as non-blocking. */
108 flags = fcntl(clt_sk1, F_GETFL, 0);
110 tst_brkm(TBROK, tst_exit, "fcntl F_GETFL: %s", strerror(errno));
111 if (fcntl(clt_sk1, F_SETFL, flags | O_NONBLOCK) < 0)
112 tst_brkm(TBROK, tst_exit, "fcntl F_SETFL: %s", strerror(errno));
114 /* Do a non-blocking connect from clt_sk1 to svr_sk */
115 error = connect(clt_sk1, &svr_loop.sa, sizeof(svr_loop));
116 /* Non-blocking connect should return immediately with EINPROGRESS. */
117 if ((error != -1) || (EINPROGRESS != errno))
118 tst_brkm(TBROK, tst_exit, "non-blocking connect error: %d"
119 "errno:%d", error, errno);
121 tst_resm(TPASS, "non-blocking connect");
123 /* Doing a connect on a socket to create an association that is
124 * is already established should return EISCONN.
126 error = connect(clt_sk1, &svr_loop.sa, sizeof(svr_loop));
127 if ((error != -1) || (EISCONN != errno))
128 tst_brkm(TBROK, tst_exit, "connect on a socket to create an "
129 "assoc that is already established error:%d errno:%d",
132 tst_resm(TPASS, "connect on a socket to create an assoc that is "
133 "already established");
135 /* Initialize inmessage for all receives. */
136 memset(&inmessage, 0, sizeof(inmessage));
137 big_buffer = test_malloc(REALLY_BIG);
138 iov.iov_base = big_buffer;
139 iov.iov_len = REALLY_BIG;
140 inmessage.msg_iov = &iov;
141 inmessage.msg_iovlen = 1;
142 inmessage.msg_control = NULL;
144 /* Get COMM_UP on clt_sk1 */
145 error = test_recvmsg(clt_sk1, &inmessage, MSG_WAITALL);
146 test_check_msg_notification(&inmessage, error,
147 sizeof(struct sctp_assoc_change),
148 SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
149 sac = (struct sctp_assoc_change *)iov.iov_base;
150 clt_associd1 = sac->sac_assoc_id;
152 /* Get COMM_UP on svr_sk */
153 error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
154 test_check_msg_notification(&inmessage, error,
155 sizeof(struct sctp_assoc_change),
156 SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
157 sac = (struct sctp_assoc_change *)iov.iov_base;
158 svr_associd1 = sac->sac_assoc_id;
160 /* Do a blocking connect from clt_sk2 to svr_sk.
161 * Blocking connect should block until the association is established
162 * and return success.
164 test_connect(clt_sk2, &svr_loop.sa, sizeof(svr_loop));
166 /* Get COMM_UP on clt_sk2 */
167 error = test_recvmsg(clt_sk2, &inmessage, MSG_WAITALL);
168 test_check_msg_notification(&inmessage, error,
169 sizeof(struct sctp_assoc_change),
170 SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
171 sac = (struct sctp_assoc_change *)iov.iov_base;
172 clt_associd2 = sac->sac_assoc_id;
174 /* Get COMM_UP on svr_sk */
175 error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
176 test_check_msg_notification(&inmessage, error,
177 sizeof(struct sctp_assoc_change),
178 SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
179 sac = (struct sctp_assoc_change *)iov.iov_base;
180 svr_associd2 = sac->sac_assoc_id;
182 tst_resm(TPASS, "blocking connect");
184 peeloff_sk = test_sctp_peeloff(svr_sk, svr_associd1);
186 /* Doing a connect on a peeled off socket should fail. */
187 error = connect(peeloff_sk, &clt_loop3.sa, sizeof(clt_loop3));
188 if ((error != -1) || (EISCONN != errno))
189 tst_brkm(TBROK, tst_exit, "connect on a peeled off socket "
190 "error:%d, errno:%d", error, errno);
192 tst_resm(TPASS, "connect on a peeled off socket");
194 /* Trying to create an association on a socket that matches an
195 * existing peeled-off association should fail.
197 error = connect(svr_sk, &clt_loop1.sa, sizeof(clt_loop1));
198 if ((error != -1) || (EADDRNOTAVAIL != errno))
199 tst_brkm(TBROK, tst_exit, "connect to create an assoc that "
200 "matches a peeled off assoc error:%d errno:%d",
203 tst_resm(TPASS, "connect to create an assoc that matches a peeled off "
211 /* Indicate successful completion. */