utils/sctp/func_tests/test_1_to_1_sendmsg.c - platform/external/ltp - Gitiles

 /* SCTP kernel Implementation
  * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
  * (C) Copyright IBM Corp. 2004
  *
  * This file has test cases to test the sendmsg() call for 1-1 style sockets
  *
  * TEST1: Bad socket descriptor
  * TEST2: Invalid socket
  * TEST3: On a listening socket
  * TEST4: Invalid iovec pointer
  * TEST5: Invalid iovec length
  * TEST6: Invalid msghdr pointer
  * TEST7: Invalid sinfo flags
  * TEST8: SCTP_EOF flag set
  * TEST9: SCTP_ABORT flag set
  * TEST10: On a closed association
  *
  * TEST11: Sending data from server socket to client socket
  * TEST12: Sending data from client socket to server socket
  * TEST13: Sending data from unconnected client to server
  * TEST14: Sending a message on SHUT_RD socket
  *
  * 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
  *
  */

 #include <stdio.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>         /* for sockaddr_in */
 #include <arpa/inet.h>
 #include <errno.h>
 #include <netinet/sctp.h>
 #include <sys/uio.h>
 #include <linux/socket.h>
 #include <sctputil.h>

 char *TCID = __FILE__;
 int TST_TOTAL = 14;
 int TST_CNT = 0;

 int
 main(int argc, char *argv[])
 {
         socklen_t len;
 	int msg_count;
 	int sk,sk1,pf_class,lstn_sk,acpt_sk,acpt1_sk, flag;
 	struct msghdr outmessage;
         char *message = "hello, world!\n";
 	struct sctp_sndrcvinfo *sinfo;
         int count;
 	char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
 	struct cmsghdr *cmsg;
         struct iovec out_iov;
 	struct msghdr inmessage;
 	char * buffer_rcv;
         struct sockaddr_in conn_addr,lstn_addr,svr_addr;
         struct iovec iov_rcv;
 	char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
 	int fd, err_no = 0;
 	char filename[21];

 	/* Rather than fflush() throughout the code, set stdout to
          * be unbuffered.
          */
         setvbuf(stdout, NULL, _IONBF, 0);
         setvbuf(stderr, NULL, _IONBF, 0);

         pf_class = PF_INET;

         sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

         sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

         lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

 	conn_addr.sin_family = AF_INET;
         conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
         conn_addr.sin_port = htons(SCTP_TESTPORT_1);

 	lstn_addr.sin_family = AF_INET;
         lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
         lstn_addr.sin_port = htons(SCTP_TESTPORT_1);

 	/*Binding the listen socket*/
         test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));

         /*Listening the socket*/
         test_listen(lstn_sk, 10);

 	len = sizeof(struct sockaddr_in);

 	test_connect(sk, (struct sockaddr *) &conn_addr, len);

 	acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);

 	memset(&outmessage, 0, sizeof(outmessage));
         outmessage.msg_name = &conn_addr;
         outmessage.msg_namelen = sizeof(conn_addr);
         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));

         outmessage.msg_iov->iov_base = message;
         outmessage.msg_iov->iov_len = strlen(message) + 1;

 	flag = MSG_NOSIGNAL;
 	/*sendmsg () TEST1: Bad socket descriptor, EBADF Expected error*/
 	count = sendmsg(-1, &outmessage, flag);
 	if (count != -1 || errno != EBADF)
 		tst_brkm(TBROK, tst_exit, "sendmsg with a bad socket "
 			 "descriptor count:%d, errno:%d", count, errno);

 	tst_resm(TPASS, "sendmsg() with a bad socket descriptor - EBADF");

 	/*sendmsg () TEST2: Invalid socket, ENOTSOCK Expected error*/
 	strcpy(filename, "/tmp/sctptest.XXXXXX");
 	fd = mkstemp(filename);
 	if (fd == -1)
 		tst_brkm(TBROK, tst_exit, "Failed to mkstemp %s: %s",
 				filename, strerror(errno));
 	count = sendmsg(fd, &outmessage, flag);
 	if (count == -1)
 		err_no = errno;
 	close(fd);
 	unlink(filename);
 	if (count != -1 || err_no != ENOTSOCK)
 		tst_brkm(TBROK, tst_exit, "sendmsg with invalid socket "
 			 "count:%d, errno:%d", count, err_no);

 	tst_resm(TPASS, "sendmsg() with invalid socket - ENOTSOCK");

 	/*sendmsg () TEST3: sendmsg on listening socket, EPIPE Expected error*/
 	count = sendmsg(lstn_sk, &outmessage, flag);
 	if (count != -1 || errno != EPIPE)
 		tst_brkm(TBROK, tst_exit, "sendmsg on a listening socket "
 			 "count:%d, errno:%d", count, errno);

 	tst_resm(TPASS, "sendmsg() on a listening socket - EPIPE");

 	/*sendmsg () TEST4: Invalid iovec pointer EFAULT, Expected error*/
 	outmessage.msg_iov = (struct iovec *)-1;
 	count = sendmsg(sk, &outmessage, flag);
 	if (count != -1 || errno != EFAULT)
 		tst_brkm(TBROK, tst_exit, "sendmsg with invalid iovec "
 			 "pointer count:%d, errno:%d", count, errno);

 	tst_resm(TPASS, "sendmsg() with invalid iovec ptr - EFAULT");

 	outmessage.msg_iov = &out_iov;

 	/*sendmsg () TEST5: Invalid iovec count EINVAL, Expected error*/
         outmessage.msg_iovlen = 0;
 	count = sendmsg(sk, &outmessage, flag);
 	if (count != -1 || errno != EINVAL)
 		tst_brkm(TBROK, tst_exit, "sendmsg with invalid iovec "
 			 "length count:%d, errno:%d", count, errno);

 	tst_resm(TPASS, "sendmsg() with invalid iovec length - EINVAL");

 	outmessage.msg_iovlen = 1;

 	/*sendmsg () TEST6: Invalid msghdr pointer EFAULT, Expected error*/
 	count = sendmsg(sk, (struct msghdr *)-1, flag);
 	if (count != -1 || errno != EFAULT)
 		tst_brkm(TBROK, tst_exit, "sendmsg with invalid msghdr "
 			 "pointer count:%d, errno:%d", count, errno);

 	tst_resm(TPASS, "sendmsg() with invalid msghdr ptr - EFAULT");

 	/*sendmsg () TEST7: Invalid sinfo flag EINVAL, Expected error*/
 	sinfo->sinfo_flags = 999;
 	count = sendmsg(sk, &outmessage, -1);
 	if (count != -1 || errno != EINVAL)
 		tst_brkm(TBROK, tst_exit, "sendmsg with invalid sinfo "
 			 "flags count:%d, errno:%d", count, errno);

 	tst_resm(TPASS, "sendmsg() with invalid sinfo flags - EINVAL");

 	/*sendmsg () TEST8: SCTP_EOF flag EINVAL, Expected error*/
 	sinfo->sinfo_flags = SCTP_EOF;
 	count = sendmsg(sk, &outmessage, flag);
 	if (count != -1 || errno != EINVAL)
 		tst_brkm(TBROK, tst_exit, "sendmsg with SCTP_EOF flag "
 			 "count:%d, errno:%d", count, errno);

 	tst_resm(TPASS, "sendmsg() with SCTP_EOF flag - EINVAL");

 	/*sendmsg () TEST9: SCTP_ABORT flag EINVAL, Expected error*/
 	sinfo->sinfo_flags = SCTP_ABORT;
 	count = sendmsg(sk, &outmessage, flag);
 	if (count != -1 || errno != EINVAL)
 		tst_brkm(TBROK, tst_exit, "sendmsg with SCTP_ABORT flag "
 			 "count:%d, errno:%d", count, errno);

 	tst_resm(TPASS, "sendmsg() with SCTP_ABORT flag - EINVAL");

 	sinfo->sinfo_flags = 0;

 	test_connect(sk1, (struct sockaddr *) &lstn_addr, len);

 	test_sendmsg(sk1, &outmessage, flag, strlen(message)+1);

 	close(sk1);
 	acpt1_sk = test_accept(lstn_sk, (struct sockaddr *)&conn_addr, &len);

 	/*sendmsg () TEST10:sendmsg on closed association, EPIPE Expected error*/
 	count = sendmsg(acpt1_sk, &outmessage, flag);
 	if (count != -1 || errno != EPIPE)
 		tst_brkm(TBROK, tst_exit, "sendmsg on a closed association "
 			 "count:%d, errno:%d", count, errno);

 	tst_resm(TPASS, "sendmsg() on a closed association - EPIPE");

 	close(acpt1_sk);
 	close(sk);
 	close(lstn_sk);
 	close(acpt_sk);

         sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

         lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

 	conn_addr.sin_family = AF_INET;
         conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
         conn_addr.sin_port = htons(SCTP_TESTPORT_1);

 	lstn_addr.sin_family = AF_INET;
         lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
         lstn_addr.sin_port = htons(SCTP_TESTPORT_1);

 	/*Binding the listen socket*/
         test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));

         /*Listening the socket*/
         test_listen(lstn_sk, 10);

 	len = sizeof(struct sockaddr_in);
 	flag = MSG_NOSIGNAL;

 	test_connect(sk, (struct sockaddr *) &conn_addr, len);

 	acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);

 	memset(&outmessage, 0, sizeof(outmessage));
         outmessage.msg_name = &svr_addr;
         outmessage.msg_namelen = sizeof(svr_addr);
         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));

         outmessage.msg_iov->iov_base = message;
         outmessage.msg_iov->iov_len = strlen(message) + 1;

 	memset(&inmessage, 0, sizeof(inmessage));
         buffer_rcv = malloc(REALLY_BIG);

         iov_rcv.iov_base = buffer_rcv;
         iov_rcv.iov_len = REALLY_BIG;
         inmessage.msg_iov = &iov_rcv;
         inmessage.msg_iovlen = 1;
         inmessage.msg_control = incmsg;
         inmessage.msg_controllen = sizeof(incmsg);

 	msg_count = strlen(message) + 1;

 	/*sendmsg() TEST11: Sending data from server socket to client socket*/
 	count = sendmsg(acpt_sk, &outmessage, flag);
 	if (count != msg_count)
 		tst_brkm(TBROK, tst_exit, "sendmsg from accept socket to "
 			 "client count:%d, errno:%d", count, errno);

 	tst_resm(TPASS, "sendmsg() from accept socket to client - SUCCESS");

 	count = test_recvmsg(sk, &inmessage, flag);
         test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);

         outmessage.msg_name = &conn_addr;
         outmessage.msg_namelen = sizeof(conn_addr);
 	/*sendmsg() TEST12: Sending data from client socket to server socket*/
 	count = sendmsg(sk, &outmessage, flag);
 	if (count != msg_count)
 		tst_brkm(TBROK, tst_exit, "sendmsg from client to server "
                          "count:%d, errno:%d", count, errno);

 	tst_resm(TPASS, "sendmsg() from client to server - SUCCESS");

 	count = test_recvmsg(acpt_sk, &inmessage, flag);
         test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);

         outmessage.msg_name = &conn_addr;
         outmessage.msg_namelen = sizeof(conn_addr);
 	close(sk);
 	close(acpt_sk);
 	sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

 	/*sendmsg() TEST13: Sending data from unconnected client socket to
 	server socket*/
 	count = sendmsg(sk1, &outmessage, flag);
 	if (count != msg_count)
 		tst_brkm(TBROK, tst_exit, "sendmsg from unconnected client to "
 			 "server count:%d, errno:%d", count, errno);

 	tst_resm(TPASS, "sendmsg() from unconnected clt to server - SUCCESS");

 	acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);

 	count = test_recvmsg(acpt_sk, &inmessage, flag);
         test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);

 	test_shutdown(sk1, SHUT_RD);

 	/*sendmsg() TEST14: Sending a message on SHUT_RD socket*/
 	count = sendmsg(sk1, &outmessage, flag);
 	if (count != msg_count)
 		tst_brkm(TBROK, tst_exit, "sendmsg on a SHUT_RD socket "
                          "count:%d, errno:%d", count, errno);

 	tst_resm(TPASS, "sendmsg() on a SHUT_RD socket - SUCCESS");

 	count = test_recvmsg(acpt_sk, &inmessage, flag);
         test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);

 	close(sk1);
 	close(lstn_sk);
 	close(acpt_sk);
 	return 0;
 }
	/* SCTP kernel Implementation
	* Copyright (c) 2003 Hewlett-Packard Development Company, L.P
	* (C) Copyright IBM Corp. 2004
	*
	* This file has test cases to test the sendmsg() call for 1-1 style sockets
	*
	* TEST1: Bad socket descriptor
	* TEST2: Invalid socket
	* TEST3: On a listening socket
	* TEST4: Invalid iovec pointer
	* TEST5: Invalid iovec length
	* TEST6: Invalid msghdr pointer
	* TEST7: Invalid sinfo flags
	* TEST8: SCTP_EOF flag set
	* TEST9: SCTP_ABORT flag set
	* TEST10: On a closed association
	*
	* TEST11: Sending data from server socket to client socket
	* TEST12: Sending data from client socket to server socket
	* TEST13: Sending data from unconnected client to server
	* TEST14: Sending a message on SHUT_RD socket
	*
	* 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
	*
	*/

	#include <stdio.h>
	#include <unistd.h>
	#include <fcntl.h>
	#include <stdlib.h>
	#include <string.h>
	#include <sys/types.h>
	#include <sys/socket.h>
	#include <netinet/in.h> /* for sockaddr_in */
	#include <arpa/inet.h>
	#include <errno.h>
	#include <netinet/sctp.h>
	#include <sys/uio.h>
	#include <linux/socket.h>
	#include <sctputil.h>

	char *TCID = __FILE__;
	int TST_TOTAL = 14;
	int TST_CNT = 0;

	int
	main(int argc, char *argv[])
	{
	socklen_t len;
	int msg_count;
	int sk,sk1,pf_class,lstn_sk,acpt_sk,acpt1_sk, flag;
	struct msghdr outmessage;
	char *message = "hello, world!\n";
	struct sctp_sndrcvinfo *sinfo;
	int count;
	char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
	struct cmsghdr *cmsg;
	struct iovec out_iov;
	struct msghdr inmessage;
	char * buffer_rcv;
	struct sockaddr_in conn_addr,lstn_addr,svr_addr;
	struct iovec iov_rcv;
	char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
	int fd, err_no = 0;
	char filename[21];

	/* Rather than fflush() throughout the code, set stdout to
	* be unbuffered.
	*/
	setvbuf(stdout, NULL, _IONBF, 0);
	setvbuf(stderr, NULL, _IONBF, 0);

	pf_class = PF_INET;

	sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

	sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

	lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

	conn_addr.sin_family = AF_INET;
	conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
	conn_addr.sin_port = htons(SCTP_TESTPORT_1);

	lstn_addr.sin_family = AF_INET;
	lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
	lstn_addr.sin_port = htons(SCTP_TESTPORT_1);

	/Binding the listen socket/
	test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));

	/Listening the socket/
	test_listen(lstn_sk, 10);

	len = sizeof(struct sockaddr_in);

	test_connect(sk, (struct sockaddr *) &conn_addr, len);

	acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);

	memset(&outmessage, 0, sizeof(outmessage));
	outmessage.msg_name = &conn_addr;
	outmessage.msg_namelen = sizeof(conn_addr);
	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));

	outmessage.msg_iov->iov_base = message;
	outmessage.msg_iov->iov_len = strlen(message) + 1;

	flag = MSG_NOSIGNAL;
	/sendmsg () TEST1: Bad socket descriptor, EBADF Expected error/
	count = sendmsg(-1, &outmessage, flag);
	if (count != -1 \|\| errno != EBADF)
	tst_brkm(TBROK, tst_exit, "sendmsg with a bad socket "
	"descriptor count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with a bad socket descriptor - EBADF");

	/sendmsg () TEST2: Invalid socket, ENOTSOCK Expected error/
	strcpy(filename, "/tmp/sctptest.XXXXXX");
	fd = mkstemp(filename);
	if (fd == -1)
	tst_brkm(TBROK, tst_exit, "Failed to mkstemp %s: %s",
	filename, strerror(errno));
	count = sendmsg(fd, &outmessage, flag);
	if (count == -1)
	err_no = errno;
	close(fd);
	unlink(filename);
	if (count != -1 \|\| err_no != ENOTSOCK)
	tst_brkm(TBROK, tst_exit, "sendmsg with invalid socket "
	"count:%d, errno:%d", count, err_no);

	tst_resm(TPASS, "sendmsg() with invalid socket - ENOTSOCK");

	/sendmsg () TEST3: sendmsg on listening socket, EPIPE Expected error/
	count = sendmsg(lstn_sk, &outmessage, flag);
	if (count != -1 \|\| errno != EPIPE)
	tst_brkm(TBROK, tst_exit, "sendmsg on a listening socket "
	"count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() on a listening socket - EPIPE");

	/sendmsg () TEST4: Invalid iovec pointer EFAULT, Expected error/
	outmessage.msg_iov = (struct iovec *)-1;
	count = sendmsg(sk, &outmessage, flag);
	if (count != -1 \|\| errno != EFAULT)
	tst_brkm(TBROK, tst_exit, "sendmsg with invalid iovec "
	"pointer count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with invalid iovec ptr - EFAULT");

	outmessage.msg_iov = &out_iov;

	/sendmsg () TEST5: Invalid iovec count EINVAL, Expected error/
	outmessage.msg_iovlen = 0;
	count = sendmsg(sk, &outmessage, flag);
	if (count != -1 \|\| errno != EINVAL)
	tst_brkm(TBROK, tst_exit, "sendmsg with invalid iovec "
	"length count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with invalid iovec length - EINVAL");

	outmessage.msg_iovlen = 1;

	/sendmsg () TEST6: Invalid msghdr pointer EFAULT, Expected error/
	count = sendmsg(sk, (struct msghdr *)-1, flag);
	if (count != -1 \|\| errno != EFAULT)
	tst_brkm(TBROK, tst_exit, "sendmsg with invalid msghdr "
	"pointer count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with invalid msghdr ptr - EFAULT");

	/sendmsg () TEST7: Invalid sinfo flag EINVAL, Expected error/
	sinfo->sinfo_flags = 999;
	count = sendmsg(sk, &outmessage, -1);
	if (count != -1 \|\| errno != EINVAL)
	tst_brkm(TBROK, tst_exit, "sendmsg with invalid sinfo "
	"flags count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with invalid sinfo flags - EINVAL");

	/sendmsg () TEST8: SCTP_EOF flag EINVAL, Expected error/
	sinfo->sinfo_flags = SCTP_EOF;
	count = sendmsg(sk, &outmessage, flag);
	if (count != -1 \|\| errno != EINVAL)
	tst_brkm(TBROK, tst_exit, "sendmsg with SCTP_EOF flag "
	"count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with SCTP_EOF flag - EINVAL");

	/sendmsg () TEST9: SCTP_ABORT flag EINVAL, Expected error/
	sinfo->sinfo_flags = SCTP_ABORT;
	count = sendmsg(sk, &outmessage, flag);
	if (count != -1 \|\| errno != EINVAL)
	tst_brkm(TBROK, tst_exit, "sendmsg with SCTP_ABORT flag "
	"count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with SCTP_ABORT flag - EINVAL");

	sinfo->sinfo_flags = 0;

	test_connect(sk1, (struct sockaddr *) &lstn_addr, len);

	test_sendmsg(sk1, &outmessage, flag, strlen(message)+1);

	close(sk1);
	acpt1_sk = test_accept(lstn_sk, (struct sockaddr *)&conn_addr, &len);

	/sendmsg () TEST10:sendmsg on closed association, EPIPE Expected error/
	count = sendmsg(acpt1_sk, &outmessage, flag);
	if (count != -1 \|\| errno != EPIPE)
	tst_brkm(TBROK, tst_exit, "sendmsg on a closed association "
	"count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() on a closed association - EPIPE");

	close(acpt1_sk);
	close(sk);
	close(lstn_sk);
	close(acpt_sk);

	sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

	lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

	conn_addr.sin_family = AF_INET;
	conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
	conn_addr.sin_port = htons(SCTP_TESTPORT_1);

	lstn_addr.sin_family = AF_INET;
	lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
	lstn_addr.sin_port = htons(SCTP_TESTPORT_1);

	/Binding the listen socket/
	test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));

	/Listening the socket/
	test_listen(lstn_sk, 10);

	len = sizeof(struct sockaddr_in);
	flag = MSG_NOSIGNAL;

	test_connect(sk, (struct sockaddr *) &conn_addr, len);

	acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);

	memset(&outmessage, 0, sizeof(outmessage));
	outmessage.msg_name = &svr_addr;
	outmessage.msg_namelen = sizeof(svr_addr);
	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));

	outmessage.msg_iov->iov_base = message;
	outmessage.msg_iov->iov_len = strlen(message) + 1;

	memset(&inmessage, 0, sizeof(inmessage));
	buffer_rcv = malloc(REALLY_BIG);

	iov_rcv.iov_base = buffer_rcv;
	iov_rcv.iov_len = REALLY_BIG;
	inmessage.msg_iov = &iov_rcv;
	inmessage.msg_iovlen = 1;
	inmessage.msg_control = incmsg;
	inmessage.msg_controllen = sizeof(incmsg);

	msg_count = strlen(message) + 1;

	/sendmsg() TEST11: Sending data from server socket to client socket/
	count = sendmsg(acpt_sk, &outmessage, flag);
	if (count != msg_count)
	tst_brkm(TBROK, tst_exit, "sendmsg from accept socket to "
	"client count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() from accept socket to client - SUCCESS");

	count = test_recvmsg(sk, &inmessage, flag);
	test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);

	outmessage.msg_name = &conn_addr;
	outmessage.msg_namelen = sizeof(conn_addr);
	/sendmsg() TEST12: Sending data from client socket to server socket/
	count = sendmsg(sk, &outmessage, flag);
	if (count != msg_count)
	tst_brkm(TBROK, tst_exit, "sendmsg from client to server "
	"count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() from client to server - SUCCESS");

	count = test_recvmsg(acpt_sk, &inmessage, flag);
	test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);

	outmessage.msg_name = &conn_addr;
	outmessage.msg_namelen = sizeof(conn_addr);
	close(sk);
	close(acpt_sk);
	sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

	/*sendmsg() TEST13: Sending data from unconnected client socket to
	server socket*/
	count = sendmsg(sk1, &outmessage, flag);
	if (count != msg_count)
	tst_brkm(TBROK, tst_exit, "sendmsg from unconnected client to "
	"server count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() from unconnected clt to server - SUCCESS");

	acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);

	count = test_recvmsg(acpt_sk, &inmessage, flag);
	test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);

	test_shutdown(sk1, SHUT_RD);

	/sendmsg() TEST14: Sending a message on SHUT_RD socket/
	count = sendmsg(sk1, &outmessage, flag);
	if (count != msg_count)
	tst_brkm(TBROK, tst_exit, "sendmsg on a SHUT_RD socket "
	"count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() on a SHUT_RD socket - SUCCESS");

	count = test_recvmsg(acpt_sk, &inmessage, flag);
	test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);

	close(sk1);
	close(lstn_sk);
	close(acpt_sk);
	return 0;
	}