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/* 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:
* Ardelle Fan <ardelle.fan@intle.com>
* Sridhar Samudrala <sri@us.ibm.com>
*/
/* This is a functional test to verify the ungraceful abort of an
* association.
*/
#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 <sys/errno.h>
#include <errno.h>
#include <netinet/sctp.h>
#include <sctputil.h>
#include "tst_kernel.h"
char *TCID = __FILE__;
int TST_TOTAL = 1;
int TST_CNT = 0;
#define MAX_CLIENTS 10
int
main(void)
{
int svr_sk, clt_sk[MAX_CLIENTS];
sockaddr_storage_t svr_loop, clt_loop[MAX_CLIENTS];
sctp_assoc_t svr_associd[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";
struct sctp_status status;
socklen_t status_len;
if (tst_check_driver("sctp"))
tst_brkm(TCONF, tst_exit, "sctp driver not available");
/* Rather than fflush() throughout the code, set stdout to
* be unbuffered.
*/
setvbuf(stdout, NULL, _IONBF, 0);
/* Create and bind the server socket. */
svr_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
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);
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(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
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);
test_bind(clt_sk[i], &clt_loop[i].sa, sizeof(clt_loop[i]));
test_enable_assoc_change(clt_sk[i]);
}
/* Build up a msghdr structure we can use for all sending. */
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;
out_iov.iov_base = message;
out_iov.iov_len = strlen(message) + 1;
/* Send the first message from all the clients to the server. This
* will create the associations.
*/
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);
}
/* 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);
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);
sac = (struct sctp_assoc_change *)iov.iov_base;
svr_associd[i] = sac->sac_assoc_id;
}
outmessage.msg_name = NULL;
outmessage.msg_namelen = 0;
outmessage.msg_iov = NULL;
outmessage.msg_iovlen = 0;
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));
sinfo->sinfo_flags |= SCTP_ABORT;
/* Shutdown all the associations of the server socket in a loop. */
for (i = 0; i < MAX_CLIENTS; i++) {
sinfo->sinfo_assoc_id = svr_associd[i];
/* Verify that the association is present. */
memset(&status, 0, sizeof(struct sctp_status));
status.sstat_assoc_id = sinfo->sinfo_assoc_id;
status_len = sizeof(struct sctp_status);
error = getsockopt(svr_sk, SOL_SCTP, SCTP_STATUS,
&status, &status_len);
if (error)
tst_brkm(TBROK, tst_exit,
"getsockopt(SCTP_STATUS): %s",
strerror(errno));
/* Call sendmsg() to abort the association. */
test_sendmsg(svr_sk, &outmessage, 0, 0);
/* Verify that the association is no longer present. */
memset(&status, 0, sizeof(struct sctp_status));
status.sstat_assoc_id = sinfo->sinfo_assoc_id;
status_len = sizeof(struct sctp_status);
error = getsockopt(svr_sk, SOL_SCTP, SCTP_STATUS,
&status, &status_len);
if ((error != -1) && (errno != EINVAL))
tst_brkm(TBROK, tst_exit,
"getsockopt(SCTP_STATUS) "
"error:%d errno:%d", error, errno);
}
close(svr_sk);
/* Get the COMM_LOST notification. */
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)+4,
SCTP_ASSOC_CHANGE, SCTP_COMM_LOST);
close(clt_sk[i]);
}
tst_resm(TPASS, "ABORT an association using SCTP_ABORT");
/* Indicate successful completion. */
return 0;
}
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