1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299
|
/* SCTP kernel Implementation
* (C) Copyright IBM Corp. 2001, 2003
* Copyright (c) 1999-2000 Cisco, Inc.
* Copyright (c) 1999-2001 Motorola, Inc.
* Copyright (c) 2001 Intel Corp.
* Copyright (c) 2001 Nokia, Inc.
*
* The SCTP implementation is free software;
* you can redistribute it and/or modify it under the terms of
* the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* The SCTP implementation is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied
* ************************
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU CC; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Please send any bug reports or fixes you make to the
* email address(es):
* lksctp developers <lksctp-developers@lists.sourceforge.net>
*
* Or submit a bug report through the following website:
* http://www.sf.net/projects/lksctp
*
* Any bugs reported to us we will try to fix... any fixes shared will
* be incorporated into the next SCTP release.
*
* Written or modified by:
* Sridhar Samudrala <sri@us.ibm.com>
*/
/* This is a Functional test to verify the new SCTP interface sctp_peeloff()
* that can be used to branch off an association into a separate socket.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <netinet/in.h>
#include <errno.h>
#include <netinet/sctp.h>
#include <sctputil.h>
char *TCID = __FILE__;
int TST_TOTAL = 6;
int TST_CNT = 0;
#define MAX_CLIENTS 10
int
main(int argc, char *argv[])
{
int svr_sk, clt_sk[MAX_CLIENTS], peeloff_sk[MAX_CLIENTS];
sctp_assoc_t svr_associd[MAX_CLIENTS];
sockaddr_storage_t svr_loop, clt_loop[MAX_CLIENTS];
struct iovec iov;
struct msghdr inmessage;
struct msghdr outmessage;
char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
struct cmsghdr *cmsg;
struct sctp_sndrcvinfo *sinfo;
struct iovec out_iov;
int error;
uint32_t ppid;
uint32_t stream;
struct sctp_assoc_change *sac;
char *big_buffer;
int i;
char *message = "hello, world!\n";
int pf_class;
/* Rather than fflush() throughout the code, set stdout to
* be unbuffered.
*/
setvbuf(stdout, NULL, _IONBF, 0);
#if TEST_V6
pf_class = PF_INET6;
svr_loop.v6.sin6_family = AF_INET6;
svr_loop.v6.sin6_addr = in6addr_loopback;
svr_loop.v6.sin6_port = htons(SCTP_TESTPORT_1);
#else
pf_class = PF_INET;
svr_loop.v4.sin_family = AF_INET;
svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
#endif
/* Create and bind the server socket. */
svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop));
/* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
test_enable_assoc_change(svr_sk);
/* Mark server socket as being able to accept new associations. */
test_listen(svr_sk, 1);
/* Create and bind all the client sockets. */
for (i = 0; i < MAX_CLIENTS; i++) {
clt_sk[i] = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
#if TEST_V6
clt_loop[i].v6.sin6_family = AF_INET6;
clt_loop[i].v6.sin6_addr = in6addr_loopback;
clt_loop[i].v6.sin6_port = htons(SCTP_TESTPORT_2 + i);
#else
clt_loop[i].v4.sin_family = AF_INET;
clt_loop[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
clt_loop[i].v4.sin_port = htons(SCTP_TESTPORT_2 + i);
#endif
test_bind(clt_sk[i], &clt_loop[i].sa, sizeof(clt_loop[i]));
test_enable_assoc_change(clt_sk[i]);
}
/* Send the first message from all the clients to the server. This
* will create the associations.
*/
outmessage.msg_name = &svr_loop;
outmessage.msg_namelen = sizeof(svr_loop);
outmessage.msg_iov = &out_iov;
outmessage.msg_iovlen = 1;
outmessage.msg_control = outcmsg;
outmessage.msg_controllen = sizeof(outcmsg);
outmessage.msg_flags = 0;
cmsg = CMSG_FIRSTHDR(&outmessage);
cmsg->cmsg_level = IPPROTO_SCTP;
cmsg->cmsg_type = SCTP_SNDRCV;
cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
outmessage.msg_controllen = cmsg->cmsg_len;
sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
ppid = rand(); /* Choose an arbitrary value. */
stream = 1;
sinfo->sinfo_ppid = ppid;
sinfo->sinfo_stream = stream;
outmessage.msg_iov->iov_base = message;
outmessage.msg_iov->iov_len = strlen(message) + 1;
for (i = 0; i < MAX_CLIENTS; i++)
test_sendmsg(clt_sk[i], &outmessage, 0,
strlen(message)+1);
/* Initialize inmessage for all receives. */
big_buffer = test_malloc(REALLY_BIG);
memset(&inmessage, 0, sizeof(inmessage));
iov.iov_base = big_buffer;
iov.iov_len = REALLY_BIG;
inmessage.msg_iov = &iov;
inmessage.msg_iovlen = 1;
inmessage.msg_control = incmsg;
/* Get the communication up message on all client sockets. */
for (i = 0; i < MAX_CLIENTS; i++) {
inmessage.msg_controllen = sizeof(incmsg);
error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
test_check_msg_notification(&inmessage, error,
sizeof(struct sctp_assoc_change),
SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
#if 0
sac = (struct sctp_assoc_change *)iov.iov_base;
clt_associd[i] = sac->sac_assoc_id;
#endif
}
/* Get the communication up message and the data message on the
* server sockets for all the clients.
*/
for (i = 0; i < MAX_CLIENTS; i++) {
inmessage.msg_controllen = sizeof(incmsg);
error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
test_check_msg_notification(&inmessage, error,
sizeof(struct sctp_assoc_change),
SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
sac = (struct sctp_assoc_change *)iov.iov_base;
svr_associd[i] = sac->sac_assoc_id;
inmessage.msg_controllen = sizeof(incmsg);
error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
test_check_msg_data(&inmessage, error, strlen(message) + 1,
MSG_EOR, stream, ppid);
}
/* Branch off all the associations on the server socket to separate
* individual sockets.
*/
for (i = 0; i < MAX_CLIENTS; i++)
peeloff_sk[i] = test_sctp_peeloff(svr_sk, svr_associd[i]);
tst_resm(TPASS, "sctp_peeloff");
errno = 0;
/* Verify that a peeled off socket is not allowed to do a listen(). */
error = listen(peeloff_sk[0], 1);
if (error != -1)
tst_brkm(TBROK, tst_exit, "listen on a peeled off socket "
"error: %d, errno: %d", error, errno);
tst_resm(TPASS, "listen on a peeled off socket");
errno = 0;
/* Verify that an association cannot be branched off an already
* peeled-off socket.
*/
if ((-1 != sctp_peeloff(peeloff_sk[0], svr_associd[0])) ||
(EINVAL != errno))
tst_brkm(TBROK, tst_exit, "sctp_peeloff on a peeled off "
"socket error:%d, errno:%d",
error, errno);
tst_resm(TPASS, "sctp_peeloff on a peeled off socket");
/* Send a message from all the client sockets to the server socket. */
for (i = 0; i < MAX_CLIENTS; i++)
test_sendmsg(clt_sk[i], &outmessage, 0, strlen(message)+1);
/* Receive the sent messages on the peeled off server sockets. */
for (i = 0; i < MAX_CLIENTS; i++) {
inmessage.msg_controllen = sizeof(incmsg);
error = test_recvmsg(peeloff_sk[i], &inmessage, MSG_WAITALL);
test_check_msg_data(&inmessage, error, strlen(message) + 1,
MSG_EOR, stream, ppid);
}
tst_resm(TPASS, "Receive msgs on peeled off sockets");
/* Send a message from all the peeled off server sockets to the client
* sockets.
*/
for (i = 0; i < MAX_CLIENTS; i++) {
outmessage.msg_name = &clt_loop[i];
outmessage.msg_namelen = sizeof(clt_loop[i]);
test_sendmsg(peeloff_sk[i], &outmessage, 0, strlen(message)+1);
}
/* Receive the messages sent from the peeled of server sockets on
* the client sockets.
*/
for (i = 0; i < MAX_CLIENTS; i++) {
inmessage.msg_controllen = sizeof(incmsg);
error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
test_check_msg_data(&inmessage, error, strlen(message) + 1,
MSG_EOR, stream, ppid);
}
tst_resm(TPASS, "Send msgs on peeled off sockets");
errno = 0;
/* Verify that a peeled-off socket cannot initialize a new
* association by trying to send a message to a client that is not
* associated with the peeled-off socket.
* The message is sent to the client that is associated with the
* socket.
*/
outmessage.msg_name = &clt_loop[1];
outmessage.msg_namelen = sizeof(clt_loop[1]);
test_sendmsg(peeloff_sk[0], &outmessage, 0, strlen(message)+1);
inmessage.msg_controllen = sizeof(incmsg);
error = test_recvmsg(clt_sk[0], &inmessage, MSG_WAITALL);
test_check_msg_data(&inmessage, error, strlen(message) + 1,
MSG_EOR, stream, ppid);
tst_resm(TPASS, "peeled off socket cannot initialize a new assoc");
close(svr_sk);
/* Close all the peeled off server sockets. */
for (i = 0; i < MAX_CLIENTS; i++)
close(peeloff_sk[i]);
/* Get the shutdown complete notification from all the client
* sockets.
*/
for (i = 0; i < MAX_CLIENTS; i++) {
inmessage.msg_controllen = sizeof(incmsg);
error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
test_check_msg_notification(&inmessage, error,
sizeof(struct sctp_assoc_change),
SCTP_ASSOC_CHANGE,
SCTP_SHUTDOWN_COMP);
close(clt_sk[i]);
}
/* Indicate successful completion. */
return 0;
}
|