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220 lines
7.2 KiB
220 lines
7.2 KiB
/* SCTP kernel Implementation
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* (C) Copyright IBM Corp. 2002, 2003
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* Copyright (c) 1999-2001 Motorola, Inc.
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*
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* The SCTP implementation is free software;
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* you can redistribute it and/or modify it under the terms of
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* the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* The SCTP implementation is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* ************************
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU CC; see the file COPYING. If not, write to
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* the Free Software Foundation, 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Please send any bug reports or fixes you make to the
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* email address(es):
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* lksctp developers <lksctp-developers@lists.sourceforge.net>
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*
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* Or submit a bug report through the following website:
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* http://www.sf.net/projects/lksctp
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*
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* Any bugs reported given to us we will try to fix... any fixes shared will
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* be incorporated into the next SCTP release.
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*
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* Written or modified by:
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* Sridhar Samudrala <sri@us.ibm.com>
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*/
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/* This is a kernel test to verify the one-to-many style connect() in blocking
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* and non-blocking modes.
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/uio.h>
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#include <netinet/in.h>
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#include <errno.h>
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#include <netinet/sctp.h>
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#include <sctputil.h>
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char *TCID = __FILE__;
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int TST_TOTAL = 5;
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int TST_CNT = 0;
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int
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main(int argc, char *argv[])
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{
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int svr_sk, clt_sk1, clt_sk2, peeloff_sk;
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sctp_assoc_t svr_associd1;
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sockaddr_storage_t svr_loop, clt_loop1, clt_loop2, clt_loop3;
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struct sctp_assoc_change *sac;
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struct iovec iov;
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struct msghdr inmessage;
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int error;
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char *big_buffer;
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int flags;
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/* Rather than fflush() throughout the code, set stdout to
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* be unbuffered.
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*/
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setvbuf(stdout, NULL, _IONBF, 0);
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/* Initialize the server and client addresses. */
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svr_loop.v4.sin_family = AF_INET;
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svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
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svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
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clt_loop1.v4.sin_family = AF_INET;
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clt_loop1.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
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clt_loop1.v4.sin_port = htons(SCTP_TESTPORT_2);
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clt_loop2.v4.sin_family = AF_INET;
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clt_loop2.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
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clt_loop2.v4.sin_port = htons(SCTP_TESTPORT_2+1);
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clt_loop3.v4.sin_family = AF_INET;
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clt_loop3.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
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clt_loop3.v4.sin_port = htons(SCTP_TESTPORT_2+2);
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/* Create and bind the server socket. */
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svr_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
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test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop));
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/* Mark server socket as being able to accept new associations. */
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test_listen(svr_sk, 1);
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/* Create and bind the client sockets. */
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clt_sk1 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
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test_bind(clt_sk1, &clt_loop1.sa, sizeof(clt_loop1));
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clt_sk2 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
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test_bind(clt_sk2, &clt_loop2.sa, sizeof(clt_loop2));
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/* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
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test_enable_assoc_change(svr_sk);
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test_enable_assoc_change(clt_sk1);
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test_enable_assoc_change(clt_sk2);
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/* Set clt_sk1 as non-blocking. */
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flags = fcntl(clt_sk1, F_GETFL, 0);
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if (flags < 0)
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tst_brkm(TBROK, tst_exit, "fcntl F_GETFL: %s", strerror(errno));
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if (fcntl(clt_sk1, F_SETFL, flags | O_NONBLOCK) < 0)
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tst_brkm(TBROK, tst_exit, "fcntl F_SETFL: %s", strerror(errno));
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/* Do a non-blocking connect from clt_sk1 to svr_sk */
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error = connect(clt_sk1, &svr_loop.sa, sizeof(svr_loop));
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/* Non-blocking connect should return immediately with EINPROGRESS. */
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if ((error != -1) || (EINPROGRESS != errno))
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tst_brkm(TBROK, tst_exit, "non-blocking connect error: %d"
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"errno:%d", error, errno);
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tst_resm(TPASS, "non-blocking connect");
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/* Doing a connect on a socket to create an association that is
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* is already established should return EISCONN.
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*/
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error = connect(clt_sk1, &svr_loop.sa, sizeof(svr_loop));
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if ((error != -1) || (EISCONN != errno))
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tst_brkm(TBROK, tst_exit, "connect on a socket to create an "
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"assoc that is already established error:%d errno:%d",
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error, errno);
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tst_resm(TPASS, "connect on a socket to create an assoc that is "
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"already established");
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/* Initialize inmessage for all receives. */
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memset(&inmessage, 0, sizeof(inmessage));
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big_buffer = test_malloc(REALLY_BIG);
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iov.iov_base = big_buffer;
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iov.iov_len = REALLY_BIG;
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inmessage.msg_iov = &iov;
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inmessage.msg_iovlen = 1;
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inmessage.msg_control = NULL;
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/* Get COMM_UP on clt_sk1 */
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error = test_recvmsg(clt_sk1, &inmessage, MSG_WAITALL);
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test_check_msg_notification(&inmessage, error,
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sizeof(struct sctp_assoc_change),
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SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
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#if 0
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sac = (struct sctp_assoc_change *)iov.iov_base;
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clt_associd1 = sac->sac_assoc_id;
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#endif
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/* Get COMM_UP on svr_sk */
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error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
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test_check_msg_notification(&inmessage, error,
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sizeof(struct sctp_assoc_change),
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SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
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sac = (struct sctp_assoc_change *)iov.iov_base;
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svr_associd1 = sac->sac_assoc_id;
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/* Do a blocking connect from clt_sk2 to svr_sk.
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* Blocking connect should block until the association is established
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* and return success.
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*/
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test_connect(clt_sk2, &svr_loop.sa, sizeof(svr_loop));
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/* Get COMM_UP on clt_sk2 */
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error = test_recvmsg(clt_sk2, &inmessage, MSG_WAITALL);
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test_check_msg_notification(&inmessage, error,
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sizeof(struct sctp_assoc_change),
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SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
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#if 0
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sac = (struct sctp_assoc_change *)iov.iov_base;
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clt_associd2 = sac->sac_assoc_id;
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#endif
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/* Get COMM_UP on svr_sk */
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error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
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test_check_msg_notification(&inmessage, error,
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sizeof(struct sctp_assoc_change),
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SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
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#if 0
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sac = (struct sctp_assoc_change *)iov.iov_base;
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svr_associd2 = sac->sac_assoc_id;
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#endif
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tst_resm(TPASS, "blocking connect");
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peeloff_sk = test_sctp_peeloff(svr_sk, svr_associd1);
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/* Doing a connect on a peeled off socket should fail. */
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error = connect(peeloff_sk, &clt_loop3.sa, sizeof(clt_loop3));
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if ((error != -1) || (EISCONN != errno))
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tst_brkm(TBROK, tst_exit, "connect on a peeled off socket "
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"error:%d, errno:%d", error, errno);
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tst_resm(TPASS, "connect on a peeled off socket");
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/* Trying to create an association on a socket that matches an
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* existing peeled-off association should fail.
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*/
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error = connect(svr_sk, &clt_loop1.sa, sizeof(clt_loop1));
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if ((error != -1) || (EADDRNOTAVAIL != errno))
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tst_brkm(TBROK, tst_exit, "connect to create an assoc that "
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"matches a peeled off assoc error:%d errno:%d",
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error, errno);
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tst_resm(TPASS, "connect to create an assoc that matches a peeled off "
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"assoc");
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close(svr_sk);
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close(clt_sk1);
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close(clt_sk2);
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close(peeloff_sk);
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/* Indicate successful completion. */
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return 0;
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}
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