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457 lines
14 KiB
457 lines
14 KiB
/* SCTP kernel Implementation
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* (C) Copyright IBM Corp. 2001, 2003
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* Copyright (c) 1999-2000 Cisco, Inc.
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* Copyright (c) 1999-2001 Motorola, Inc.
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* Copyright (c) 2001 Intel Corp.
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* Copyright (c) 2001 Nokia, 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 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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* La Monte H.P. Yarroll <piggy@acm.org>
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* Karl Knutson <karl@athena.chicago.il.us>
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* Hui Huang <hui.huang@nokia.com>
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* Jon Grimm <jgrimm@us.ibm.com>
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* Sridhar Samudrala <samudrala@us.ibm.com>
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*/
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/* This is a basic functional test for the SCTP kernel
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* implementation state machine.
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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 <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 <sys/errno.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 = 15;
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int TST_CNT = 0;
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int main(void)
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{
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int sk1, sk2;
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sockaddr_storage_t loop1;
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sockaddr_storage_t loop2;
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sockaddr_storage_t msgname;
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struct iovec iov;
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struct msghdr inmessage;
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struct msghdr outmessage;
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char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
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char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
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struct cmsghdr *cmsg;
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struct sctp_sndrcvinfo *sinfo;
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struct iovec out_iov;
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char *message = "hello, world!\n";
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char *telephone = "Watson, come here! I need you!\n";
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char *telephone_resp = "I already brought your coffee...\n";
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int error, bytes_sent;
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int pf_class;
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uint32_t ppid;
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uint32_t stream;
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sctp_assoc_t associd1, associd2;
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struct sctp_assoc_change *sac;
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char *big_buffer;
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struct sockaddr *laddrs, *paddrs;
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int n_laddrs, n_paddrs, i;
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struct sockaddr *sa_addr;
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struct sockaddr_in *in_addr;
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struct sockaddr_in6 *in6_addr;
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void *addr_buf;
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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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/* Set some basic values which depend on the address family. */
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#if TEST_V6
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pf_class = PF_INET6;
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loop1.v6.sin6_family = AF_INET6;
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loop1.v6.sin6_addr = (struct in6_addr)SCTP_IN6ADDR_ANY_INIT;
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loop1.v6.sin6_port = htons(SCTP_TESTPORT_1);
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loop2.v6.sin6_family = AF_INET6;
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loop2.v6.sin6_addr = in6addr_loopback;
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loop2.v6.sin6_port = htons(SCTP_TESTPORT_2);
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#else
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pf_class = PF_INET;
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loop1.v4.sin_family = AF_INET;
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loop1.v4.sin_addr.s_addr = INADDR_ANY;
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loop1.v4.sin_port = htons(SCTP_TESTPORT_1);
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loop2.v4.sin_family = AF_INET;
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loop2.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
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loop2.v4.sin_port = htons(SCTP_TESTPORT_2);
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#endif /* TEST_V6 */
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/* Create the two endpoints which will talk to each other. */
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sk1 = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
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sk2 = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
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tst_resm(TPASS, "socket");
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/* Bind these sockets to the test ports. */
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test_bind(sk1, &loop1.sa, sizeof(loop1));
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test_bind(sk2, &loop2.sa, sizeof(loop2));
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tst_resm(TPASS, "bind");
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/* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
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test_enable_assoc_change(sk1);
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test_enable_assoc_change(sk2);
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/* Initialize inmessage for all receives. */
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big_buffer = test_malloc(REALLY_BIG);
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memset(&inmessage, 0, sizeof(inmessage));
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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 = incmsg;
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inmessage.msg_name = &msgname;
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/* Try to read on socket 2. This should fail since we are
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* neither listening, nor established.
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*/
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inmessage.msg_controllen = sizeof(incmsg);
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error = recvmsg(sk2, &inmessage, MSG_WAITALL);
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if (error > 0)
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tst_brkm(TBROK, tst_exit, "recvmsg on a socket neither"
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"listening nor established error: %d", error);
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tst_resm(TPASS, "recvmsg on a socket neither listening nor "
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"established");
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/* Mark sk2 as being able to accept new associations. */
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error = test_listen(sk2, 1);
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tst_resm(TPASS, "listen");
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/* Send the first message. This will create the association. */
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outmessage.msg_name = &loop2;
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outmessage.msg_namelen = sizeof(loop2);
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outmessage.msg_iov = &out_iov;
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outmessage.msg_iovlen = 1;
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outmessage.msg_control = outcmsg;
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outmessage.msg_controllen = sizeof(outcmsg);
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outmessage.msg_flags = 0;
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cmsg = CMSG_FIRSTHDR(&outmessage);
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cmsg->cmsg_level = IPPROTO_SCTP;
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cmsg->cmsg_type = SCTP_SNDRCV;
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cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
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outmessage.msg_controllen = cmsg->cmsg_len;
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sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
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memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
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ppid = rand(); /* Choose an arbitrary value. */
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stream = 1;
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sinfo->sinfo_ppid = ppid;
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sinfo->sinfo_stream = stream;
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outmessage.msg_iov->iov_base = message;
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outmessage.msg_iov->iov_len = strlen(message) + 1;
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test_sendmsg(sk1, &outmessage, 0, strlen(message)+1);
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tst_resm(TPASS, "sendmsg with a valid msg_name");
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/* Get the communication up message on sk2. */
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inmessage.msg_controllen = sizeof(incmsg);
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inmessage.msg_namelen = sizeof(msgname);
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error = test_recvmsg(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 TEST_V6
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if (inmessage.msg_namelen != sizeof(struct sockaddr_in6)) {
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DUMP_CORE;
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}
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if (msgname.v6.sin6_port != htons(SCTP_TESTPORT_1)) {
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DUMP_CORE;
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}
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if (msgname.v6.sin6_family != AF_INET6) {
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DUMP_CORE;
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}
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if (memcmp(&msgname.v6.sin6_addr, &in6addr_loopback,
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sizeof(msgname.v6.sin6_addr))) {
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DUMP_CORE;
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}
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#else
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if (inmessage.msg_namelen != sizeof(struct sockaddr_in)) {
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DUMP_CORE;
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}
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if (msgname.v4.sin_port != htons(SCTP_TESTPORT_1)) {
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DUMP_CORE;
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}
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if (msgname.v4.sin_family != AF_INET) {
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DUMP_CORE;
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}
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if (msgname.v4.sin_addr.s_addr != SCTP_IP_LOOPBACK) {
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DUMP_CORE;
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}
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#endif
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sac = (struct sctp_assoc_change *)iov.iov_base;
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associd2 = sac->sac_assoc_id;
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/* Get the communication up message on sk1. */
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iov.iov_base = big_buffer;
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iov.iov_len = REALLY_BIG;
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inmessage.msg_control = incmsg;
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inmessage.msg_controllen = sizeof(incmsg);
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error = test_recvmsg(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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sac = (struct sctp_assoc_change *)iov.iov_base;
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associd1 = sac->sac_assoc_id;
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tst_resm(TPASS, "recvmsg COMM_UP notifications");
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/* Get the first message which was sent. */
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inmessage.msg_controllen = sizeof(incmsg);
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inmessage.msg_namelen = sizeof(msgname);
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memset(&msgname, 0, sizeof(msgname));
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error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
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test_check_msg_data(&inmessage, error, strlen(message) + 1,
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MSG_EOR, stream, ppid);
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#if TEST_V6
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if (inmessage.msg_namelen != sizeof(struct sockaddr_in6)) {
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DUMP_CORE;
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}
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if (msgname.v6.sin6_port != htons(SCTP_TESTPORT_1)) {
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DUMP_CORE;
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}
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if (msgname.v6.sin6_family != AF_INET6) {
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DUMP_CORE;
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}
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if (memcmp(&msgname.v6.sin6_addr, &in6addr_loopback,
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sizeof(msgname.v6.sin6_addr))) {
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DUMP_CORE;
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}
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#else
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if (inmessage.msg_namelen != sizeof(struct sockaddr_in)) {
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DUMP_CORE;
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}
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if (msgname.v4.sin_port != htons(SCTP_TESTPORT_1)) {
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DUMP_CORE;
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}
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if (msgname.v4.sin_family != AF_INET) {
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DUMP_CORE;
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}
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if (msgname.v4.sin_addr.s_addr != SCTP_IP_LOOPBACK) {
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DUMP_CORE;
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}
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#endif
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/* Try to send a message with NULL msg_name and associd, should fail */
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outmessage.msg_controllen = sizeof(outcmsg);
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outmessage.msg_flags = 0;
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cmsg = CMSG_FIRSTHDR(&outmessage);
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cmsg->cmsg_level = IPPROTO_SCTP;
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cmsg->cmsg_type = SCTP_SNDRCV;
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cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
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outmessage.msg_controllen = cmsg->cmsg_len;
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sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
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memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
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ppid++;
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stream++;
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sinfo->sinfo_ppid = ppid;
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sinfo->sinfo_stream = stream;
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outmessage.msg_iov->iov_base = telephone;
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outmessage.msg_iov->iov_len = strlen(telephone) + 1;
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outmessage.msg_name = NULL;
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outmessage.msg_namelen = 0;
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bytes_sent = sendmsg(sk1, &outmessage, MSG_NOSIGNAL);
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if ((bytes_sent > 0) || (EPIPE != errno))
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tst_brkm(TBROK, tst_exit, "sendmsg with NULL associd and "
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"NULL msg_name error:%d errno:%d", error, errno);
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tst_resm(TPASS, "sendmsg with NULL associd and NULL msg_name");
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/* Fill in a incorrect assoc_id, which should cause an error. */
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sinfo->sinfo_assoc_id = associd2;
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bytes_sent = sendmsg(sk1, &outmessage, MSG_NOSIGNAL);
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if ((bytes_sent > 0) || (EPIPE != errno))
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tst_brkm(TBROK, tst_exit, "sendmsg with incorrect associd "
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"error:%d errno:%d", error, errno);
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tst_resm(TPASS, "sendmsg with incorrect associd");
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/* Fill in a correct assoc_id and get back to the normal testing. */
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sinfo->sinfo_assoc_id = associd1;
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/* Send two more messages, to cause a second SACK. */
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test_sendmsg(sk1, &outmessage, 0, strlen(telephone)+1);
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outmessage.msg_name = &loop2;
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outmessage.msg_namelen = sizeof(loop2);
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outmessage.msg_iov->iov_base = telephone_resp;
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outmessage.msg_iov->iov_len = strlen(telephone_resp) + 1;
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test_sendmsg(sk1, &outmessage, 0, strlen(telephone_resp)+1);
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tst_resm(TPASS, "sendmsg with valid associd");
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/* Get those two messages. */
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inmessage.msg_controllen = sizeof(incmsg);
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error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
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test_check_msg_data(&inmessage, error, strlen(telephone) + 1,
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MSG_EOR, stream, ppid);
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inmessage.msg_controllen = sizeof(incmsg);
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error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
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test_check_msg_data(&inmessage, error, strlen(telephone_resp) + 1,
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MSG_EOR, stream, ppid);
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tst_resm(TPASS, "recvmsg");
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n_laddrs = sctp_getladdrs(sk1, associd1, &laddrs);
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if (n_laddrs <= 0)
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tst_brkm(TBROK, tst_exit, "sctp_getladdrs: %s",
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strerror(errno));
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tst_resm(TPASS, "sctp_getladdrs");
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addr_buf = (void *)laddrs;
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for (i = 0; i < n_laddrs; i++) {
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sa_addr = (struct sockaddr *)addr_buf;
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if (AF_INET == sa_addr->sa_family) {
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in_addr = (struct sockaddr_in *)sa_addr;
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tst_resm(TINFO, "LOCAL ADDR %d.%d.%d.%d PORT %d",
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NIPQUAD(in_addr->sin_addr),
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ntohs(in_addr->sin_port));
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addr_buf += sizeof(struct sockaddr_in);
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} else {
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in6_addr = (struct sockaddr_in6 *)sa_addr;
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tst_resm(TINFO,
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"LOCAL ADDR %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x PORT %d",
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NIP6(in6_addr->sin6_addr),
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ntohs(in6_addr->sin6_port));
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addr_buf += sizeof(struct sockaddr_in6);
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}
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}
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sctp_freeladdrs(laddrs);
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tst_resm(TPASS, "sctp_freeladdrs");
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n_paddrs = sctp_getpaddrs(sk1, associd1, &paddrs);
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if (n_paddrs <= 0)
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tst_brkm(TBROK, tst_exit, "sctp_getpaddrs: %s",
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strerror(errno));
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tst_resm(TPASS, "sctp_getpaddrs");
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addr_buf = (void *)paddrs;
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for (i = 0; i < n_paddrs; i++) {
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sa_addr = (struct sockaddr *)addr_buf;
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if (AF_INET == sa_addr->sa_family) {
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in_addr = (struct sockaddr_in *)sa_addr;
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tst_resm(TINFO, "PEER ADDR %d.%d.%d.%d PORT %d",
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NIPQUAD(in_addr->sin_addr),
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ntohs(in_addr->sin_port));
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addr_buf += sizeof(struct sockaddr_in);
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} else {
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in6_addr = (struct sockaddr_in6 *)sa_addr;
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tst_resm(TINFO,
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"PEER ADDR %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x PORT %d",
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NIP6(in6_addr->sin6_addr),
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ntohs(in6_addr->sin6_port));
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addr_buf += sizeof(struct sockaddr_in6);
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}
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}
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sctp_freepaddrs(paddrs);
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tst_resm(TPASS, "sctp_freepaddrs");
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/* Shut down the link. */
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close(sk1);
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/* Get the shutdown complete notification. */
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inmessage.msg_controllen = sizeof(incmsg);
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inmessage.msg_namelen = sizeof(msgname);
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memset(&msgname, 0, sizeof(msgname));
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error = test_recvmsg(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_SHUTDOWN_COMP);
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#if TEST_V6
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if (inmessage.msg_namelen != sizeof(struct sockaddr_in6)) {
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DUMP_CORE;
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}
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if (msgname.v6.sin6_port != htons(SCTP_TESTPORT_1)) {
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DUMP_CORE;
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}
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if (msgname.v6.sin6_family != AF_INET6) {
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DUMP_CORE;
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}
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if (memcmp(&msgname.v6.sin6_addr, &in6addr_loopback,
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sizeof(msgname.v6.sin6_addr))) {
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DUMP_CORE;
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}
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#else
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if (inmessage.msg_namelen != sizeof(struct sockaddr_in)) {
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DUMP_CORE;
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}
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if (msgname.v4.sin_port != htons(SCTP_TESTPORT_1)) {
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DUMP_CORE;
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}
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|
if (msgname.v4.sin_family != AF_INET) {
|
|
DUMP_CORE;
|
|
}
|
|
if (msgname.v4.sin_addr.s_addr != SCTP_IP_LOOPBACK) {
|
|
DUMP_CORE;
|
|
}
|
|
#endif
|
|
|
|
tst_resm(TPASS, "recvmsg SHUTDOWN_COMP notification");
|
|
|
|
close(sk2);
|
|
|
|
/* Indicate successful completion. */
|
|
return 0;
|
|
}
|