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/* SCTP kernel Implementation
* (C) Copyright IBM Corp. 2002, 2003
* Copyright (c) 1999-2001 Motorola, 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 given 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 kernel test to verify the one-to-many style connect() in blocking
* and non-blocking modes.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.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 = 5;
int TST_CNT = 0;
int
main(void)
{
int svr_sk, clt_sk1, clt_sk2, peeloff_sk;
sctp_assoc_t svr_associd1;
sockaddr_storage_t svr_loop, clt_loop1, clt_loop2, clt_loop3;
struct sctp_assoc_change *sac;
struct iovec iov;
struct msghdr inmessage;
int error;
char *big_buffer;
int flags;
/* Rather than fflush() throughout the code, set stdout to
* be unbuffered.
*/
setvbuf(stdout, NULL, _IONBF, 0);
/* Initialize the server and client addresses. */
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);
clt_loop1.v4.sin_family = AF_INET;
clt_loop1.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
clt_loop1.v4.sin_port = htons(SCTP_TESTPORT_2);
clt_loop2.v4.sin_family = AF_INET;
clt_loop2.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
clt_loop2.v4.sin_port = htons(SCTP_TESTPORT_2+1);
clt_loop3.v4.sin_family = AF_INET;
clt_loop3.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
clt_loop3.v4.sin_port = htons(SCTP_TESTPORT_2+2);
/* Create and bind the server socket. */
svr_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop));
/* Mark server socket as being able to accept new associations. */
test_listen(svr_sk, 1);
/* Create and bind the client sockets. */
clt_sk1 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
test_bind(clt_sk1, &clt_loop1.sa, sizeof(clt_loop1));
clt_sk2 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
test_bind(clt_sk2, &clt_loop2.sa, sizeof(clt_loop2));
/* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
test_enable_assoc_change(svr_sk);
test_enable_assoc_change(clt_sk1);
test_enable_assoc_change(clt_sk2);
/* Set clt_sk1 as non-blocking. */
flags = fcntl(clt_sk1, F_GETFL, 0);
if (flags < 0)
tst_brkm(TBROK, tst_exit, "fcntl F_GETFL: %s", strerror(errno));
if (fcntl(clt_sk1, F_SETFL, flags | O_NONBLOCK) < 0)
tst_brkm(TBROK, tst_exit, "fcntl F_SETFL: %s", strerror(errno));
/* Do a non-blocking connect from clt_sk1 to svr_sk */
error = connect(clt_sk1, &svr_loop.sa, sizeof(svr_loop));
/* Non-blocking connect should return immediately with EINPROGRESS. */
if ((error != -1) || (EINPROGRESS != errno))
tst_brkm(TBROK, tst_exit, "non-blocking connect error: %d"
"errno:%d", error, errno);
tst_resm(TPASS, "non-blocking connect");
/* Doing a connect on a socket to create an association that is
* is already established should return EISCONN.
*/
error = connect(clt_sk1, &svr_loop.sa, sizeof(svr_loop));
if ((error != -1) || (EISCONN != errno))
tst_brkm(TBROK, tst_exit, "connect on a socket to create an "
"assoc that is already established error:%d errno:%d",
error, errno);
tst_resm(TPASS, "connect on a socket to create an assoc that is "
"already established");
/* Initialize inmessage for all receives. */
memset(&inmessage, 0, sizeof(inmessage));
big_buffer = test_malloc(REALLY_BIG);
iov.iov_base = big_buffer;
iov.iov_len = REALLY_BIG;
inmessage.msg_iov = &iov;
inmessage.msg_iovlen = 1;
inmessage.msg_control = NULL;
/* Get COMM_UP on clt_sk1 */
error = test_recvmsg(clt_sk1, &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_associd1 = sac->sac_assoc_id;
#endif
/* Get COMM_UP on svr_sk */
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_associd1 = sac->sac_assoc_id;
/* Do a blocking connect from clt_sk2 to svr_sk.
* Blocking connect should block until the association is established
* and return success.
*/
test_connect(clt_sk2, &svr_loop.sa, sizeof(svr_loop));
/* Get COMM_UP on clt_sk2 */
error = test_recvmsg(clt_sk2, &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_associd2 = sac->sac_assoc_id;
#endif
/* Get COMM_UP on svr_sk */
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);
#if 0
sac = (struct sctp_assoc_change *)iov.iov_base;
svr_associd2 = sac->sac_assoc_id;
#endif
tst_resm(TPASS, "blocking connect");
peeloff_sk = test_sctp_peeloff(svr_sk, svr_associd1);
/* Doing a connect on a peeled off socket should fail. */
error = connect(peeloff_sk, &clt_loop3.sa, sizeof(clt_loop3));
if ((error != -1) || (EISCONN != errno))
tst_brkm(TBROK, tst_exit, "connect on a peeled off socket "
"error:%d, errno:%d", error, errno);
tst_resm(TPASS, "connect on a peeled off socket");
/* Trying to create an association on a socket that matches an
* existing peeled-off association should fail.
*/
error = connect(svr_sk, &clt_loop1.sa, sizeof(clt_loop1));
if ((error != -1) || (EADDRNOTAVAIL != errno))
tst_brkm(TBROK, tst_exit, "connect to create an assoc that "
"matches a peeled off assoc error:%d errno:%d",
error, errno);
tst_resm(TPASS, "connect to create an assoc that matches a peeled off "
"assoc");
close(svr_sk);
close(clt_sk1);
close(clt_sk2);
close(peeloff_sk);
/* Indicate successful completion. */
return 0;
}
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