eacc51c5b6
on error legs) - align sctp_sockstore to 64 bit boundary ..
4012 lines
106 KiB
C
4012 lines
106 KiB
C
/*-
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* Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* a) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* b) Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* c) Neither the name of Cisco Systems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* $KAME: sctp_usrreq.c,v 1.48 2005/03/07 23:26:08 itojun Exp $ */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <netinet/sctp_os.h>
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#include <sys/proc.h>
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#include <netinet/sctp_pcb.h>
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#include <netinet/sctp_header.h>
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#include <netinet/sctp_var.h>
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#if defined(INET6)
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#include <netinet6/sctp6_var.h>
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#endif
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#include <netinet/sctp_sysctl.h>
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#include <netinet/sctp_output.h>
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#include <netinet/sctp_uio.h>
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#include <netinet/sctp_asconf.h>
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#include <netinet/sctputil.h>
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#include <netinet/sctp_indata.h>
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#include <netinet/sctp_timer.h>
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#include <netinet/sctp_auth.h>
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#include <netinet/sctp_bsd_addr.h>
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void
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sctp_init(void)
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{
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/* Init the SCTP pcb in sctp_pcb.c */
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u_long sb_max_adj;
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sctp_pcb_init();
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if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
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sctp_max_chunks_on_queue = (nmbclusters / 8);
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/*
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* Allow a user to take no more than 1/2 the number of clusters or
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* the SB_MAX whichever is smaller for the send window.
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*/
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sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES));
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sctp_sendspace = min((min(SB_MAX, sb_max_adj)),
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(((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT));
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/*
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* Now for the recv window, should we take the same amount? or
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* should I do 1/2 the SB_MAX instead in the SB_MAX min above. For
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* now I will just copy.
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*/
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sctp_recvspace = sctp_sendspace;
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}
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/*
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* cleanup of the sctppcbinfo structure.
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* Assumes that the sctppcbinfo lock is held.
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*/
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void
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sctp_pcbinfo_cleanup(void)
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{
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/* free the hash tables */
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if (sctppcbinfo.sctp_asochash != NULL)
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SCTP_HASH_FREE(sctppcbinfo.sctp_asochash, sctppcbinfo.hashasocmark);
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if (sctppcbinfo.sctp_ephash != NULL)
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SCTP_HASH_FREE(sctppcbinfo.sctp_ephash, sctppcbinfo.hashmark);
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if (sctppcbinfo.sctp_tcpephash != NULL)
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SCTP_HASH_FREE(sctppcbinfo.sctp_tcpephash, sctppcbinfo.hashtcpmark);
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if (sctppcbinfo.sctp_restarthash != NULL)
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SCTP_HASH_FREE(sctppcbinfo.sctp_restarthash, sctppcbinfo.hashrestartmark);
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}
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static void
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sctp_pathmtu_adjustment(struct sctp_inpcb *inp,
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struct sctp_tcb *stcb,
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struct sctp_nets *net,
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uint16_t nxtsz)
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{
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struct sctp_tmit_chunk *chk;
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/* Adjust that too */
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stcb->asoc.smallest_mtu = nxtsz;
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/* now off to subtract IP_DF flag if needed */
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#ifdef SCTP_PRINT_FOR_B_AND_M
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SCTP_PRINTF("sctp_pathmtu_adjust called inp:%p stcb:%p net:%p nxtsz:%d\n",
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inp, stcb, net, nxtsz);
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#endif
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TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) {
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if ((chk->send_size + IP_HDR_SIZE) > nxtsz) {
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chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
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}
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}
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TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) {
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if ((chk->send_size + IP_HDR_SIZE) > nxtsz) {
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/*
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* For this guy we also mark for immediate resend
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* since we sent to big of chunk
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*/
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chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
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if (chk->sent != SCTP_DATAGRAM_RESEND) {
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sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
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}
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chk->sent = SCTP_DATAGRAM_RESEND;
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chk->rec.data.doing_fast_retransmit = 0;
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if (sctp_logging_level & SCTP_FLIGHT_LOGGING_ENABLE) {
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sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
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chk->whoTo->flight_size,
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chk->book_size,
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(uintptr_t) chk->whoTo,
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chk->rec.data.TSN_seq);
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}
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/* Clear any time so NO RTT is being done */
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chk->do_rtt = 0;
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sctp_flight_size_decrease(chk);
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sctp_total_flight_decrease(stcb, chk);
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}
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}
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}
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static void
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sctp_notify_mbuf(struct sctp_inpcb *inp,
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struct sctp_tcb *stcb,
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struct sctp_nets *net,
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struct ip *ip,
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struct sctphdr *sh)
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{
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struct icmp *icmph;
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int totsz, tmr_stopped = 0;
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uint16_t nxtsz;
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/* protection */
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if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
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(ip == NULL) || (sh == NULL)) {
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if (stcb != NULL) {
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SCTP_TCB_UNLOCK(stcb);
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}
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return;
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}
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/* First job is to verify the vtag matches what I would send */
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if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
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SCTP_TCB_UNLOCK(stcb);
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return;
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}
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icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
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sizeof(struct ip)));
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if (icmph->icmp_type != ICMP_UNREACH) {
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/* We only care about unreachable */
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SCTP_TCB_UNLOCK(stcb);
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return;
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}
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if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) {
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/* not a unreachable message due to frag. */
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SCTP_TCB_UNLOCK(stcb);
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return;
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}
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totsz = ip->ip_len;
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nxtsz = ntohs(icmph->icmp_seq);
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if (nxtsz == 0) {
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/*
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* old type router that does not tell us what the next size
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* mtu is. Rats we will have to guess (in a educated fashion
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* of course)
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*/
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nxtsz = find_next_best_mtu(totsz);
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}
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/* Stop any PMTU timer */
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if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
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tmr_stopped = 1;
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sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
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SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1);
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}
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/* Adjust destination size limit */
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if (net->mtu > nxtsz) {
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net->mtu = nxtsz;
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}
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/* now what about the ep? */
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if (stcb->asoc.smallest_mtu > nxtsz) {
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#ifdef SCTP_PRINT_FOR_B_AND_M
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SCTP_PRINTF("notify_mbuf (ICMP) calls sctp_pathmtu_adjust mtu:%d\n",
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nxtsz);
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#endif
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sctp_pathmtu_adjustment(inp, stcb, net, nxtsz);
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}
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if (tmr_stopped)
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sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
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SCTP_TCB_UNLOCK(stcb);
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}
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void
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sctp_notify(struct sctp_inpcb *inp,
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int error,
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struct sctphdr *sh,
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struct sockaddr *to,
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struct sctp_tcb *stcb,
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struct sctp_nets *net)
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{
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/* protection */
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if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
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(sh == NULL) || (to == NULL)) {
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return;
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}
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/* First job is to verify the vtag matches what I would send */
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if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
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return;
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}
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/* FIX ME FIX ME PROTOPT i.e. no SCTP should ALWAYS be an ABORT */
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if ((error == EHOSTUNREACH) || /* Host is not reachable */
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(error == EHOSTDOWN) || /* Host is down */
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(error == ECONNREFUSED) || /* Host refused the connection, (not
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* an abort?) */
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(error == ENOPROTOOPT) /* SCTP is not present on host */
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) {
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/*
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* Hmm reachablity problems we must examine closely. If its
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* not reachable, we may have lost a network. Or if there is
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* NO protocol at the other end named SCTP. well we consider
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* it a OOTB abort.
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*/
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if ((error == EHOSTUNREACH) || (error == EHOSTDOWN)) {
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if (net->dest_state & SCTP_ADDR_REACHABLE) {
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/* Ok that destination is NOT reachable */
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SCTP_PRINTF("ICMP (thresh %d/%d) takes interface %p down\n",
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net->error_count,
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net->failure_threshold,
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net);
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net->dest_state &= ~SCTP_ADDR_REACHABLE;
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net->dest_state |= SCTP_ADDR_NOT_REACHABLE;
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net->error_count = net->failure_threshold + 1;
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sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN,
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stcb, SCTP_FAILED_THRESHOLD,
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(void *)net);
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}
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if (stcb) {
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SCTP_TCB_UNLOCK(stcb);
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}
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} else {
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/*
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* Here the peer is either playing tricks on us,
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* including an address that belongs to someone who
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* does not support SCTP OR was a userland
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* implementation that shutdown and now is dead. In
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* either case treat it like a OOTB abort with no
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* TCB
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*/
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sctp_abort_notification(stcb, SCTP_PEER_FAULTY);
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sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2);
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/* no need to unlock here, since the TCB is gone */
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}
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} else {
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/* Send all others to the app */
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if (stcb) {
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SCTP_TCB_UNLOCK(stcb);
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}
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if (inp->sctp_socket) {
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#ifdef SCTP_LOCK_LOGGING
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if (sctp_logging_level & SCTP_LOCK_LOGGING_ENABLE) {
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sctp_log_lock(inp, stcb, SCTP_LOG_LOCK_SOCK);
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}
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#endif
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SOCK_LOCK(inp->sctp_socket);
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inp->sctp_socket->so_error = error;
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sctp_sowwakeup(inp, inp->sctp_socket);
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SOCK_UNLOCK(inp->sctp_socket);
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}
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}
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}
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void
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sctp_ctlinput(cmd, sa, vip)
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int cmd;
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struct sockaddr *sa;
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void *vip;
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{
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struct ip *ip = vip;
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struct sctphdr *sh;
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uint32_t vrf_id;
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/* FIX, for non-bsd is this right? */
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vrf_id = SCTP_DEFAULT_VRFID;
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if (sa->sa_family != AF_INET ||
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((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) {
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return;
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}
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if (PRC_IS_REDIRECT(cmd)) {
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ip = 0;
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} else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) {
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return;
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}
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if (ip) {
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struct sctp_inpcb *inp = NULL;
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struct sctp_tcb *stcb = NULL;
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struct sctp_nets *net = NULL;
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struct sockaddr_in to, from;
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sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));
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bzero(&to, sizeof(to));
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bzero(&from, sizeof(from));
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from.sin_family = to.sin_family = AF_INET;
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from.sin_len = to.sin_len = sizeof(to);
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from.sin_port = sh->src_port;
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from.sin_addr = ip->ip_src;
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to.sin_port = sh->dest_port;
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to.sin_addr = ip->ip_dst;
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/*
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* 'to' holds the dest of the packet that failed to be sent.
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* 'from' holds our local endpoint address. Thus we reverse
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* the to and the from in the lookup.
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*/
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stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from,
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(struct sockaddr *)&to,
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&inp, &net, 1, vrf_id);
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if (stcb != NULL && inp && (inp->sctp_socket != NULL)) {
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if (cmd != PRC_MSGSIZE) {
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int cm;
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if (cmd == PRC_HOSTDEAD) {
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cm = EHOSTUNREACH;
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} else {
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cm = inetctlerrmap[cmd];
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}
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sctp_notify(inp, cm, sh,
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(struct sockaddr *)&to, stcb,
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net);
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} else {
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/* handle possible ICMP size messages */
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sctp_notify_mbuf(inp, stcb, net, ip, sh);
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}
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} else {
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if ((stcb == NULL) && (inp != NULL)) {
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/* reduce ref-count */
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SCTP_INP_WLOCK(inp);
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SCTP_INP_DECR_REF(inp);
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SCTP_INP_WUNLOCK(inp);
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}
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}
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}
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return;
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}
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static int
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sctp_getcred(SYSCTL_HANDLER_ARGS)
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{
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struct xucred xuc;
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struct sockaddr_in addrs[2];
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struct sctp_inpcb *inp;
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struct sctp_nets *net;
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struct sctp_tcb *stcb;
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int error;
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uint32_t vrf_id;
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/* FIX, for non-bsd is this right? */
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vrf_id = SCTP_DEFAULT_VRFID;
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error = priv_check(req->td, PRIV_NETINET_GETCRED);
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if (error)
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return (error);
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error = SYSCTL_IN(req, addrs, sizeof(addrs));
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if (error)
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return (error);
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stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]),
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sintosa(&addrs[1]),
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&inp, &net, 1, vrf_id);
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if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
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if ((inp != NULL) && (stcb == NULL)) {
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/* reduce ref-count */
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SCTP_INP_WLOCK(inp);
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SCTP_INP_DECR_REF(inp);
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goto cred_can_cont;
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}
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error = ENOENT;
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goto out;
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}
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SCTP_TCB_UNLOCK(stcb);
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/*
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* We use the write lock here, only since in the error leg we need
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* it. If we used RLOCK, then we would have to
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* wlock/decr/unlock/rlock. Which in theory could create a hole.
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* Better to use higher wlock.
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*/
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SCTP_INP_WLOCK(inp);
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cred_can_cont:
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error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket);
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if (error) {
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SCTP_INP_WUNLOCK(inp);
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goto out;
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}
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cru2x(inp->sctp_socket->so_cred, &xuc);
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SCTP_INP_WUNLOCK(inp);
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error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred));
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out:
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return (error);
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}
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SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW,
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0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection");
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|
|
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static void
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sctp_abort(struct socket *so)
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{
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struct sctp_inpcb *inp;
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uint32_t flags;
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inp = (struct sctp_inpcb *)so->so_pcb;
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if (inp == 0)
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return;
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sctp_must_try_again:
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flags = inp->sctp_flags;
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#ifdef SCTP_LOG_CLOSING
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sctp_log_closing(inp, NULL, 17);
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#endif
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if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
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(atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
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#ifdef SCTP_LOG_CLOSING
|
|
sctp_log_closing(inp, NULL, 16);
|
|
#endif
|
|
sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
|
|
SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
|
|
SOCK_LOCK(so);
|
|
SCTP_SB_CLEAR(so->so_snd);
|
|
/*
|
|
* same for the rcv ones, they are only here for the
|
|
* accounting/select.
|
|
*/
|
|
SCTP_SB_CLEAR(so->so_rcv);
|
|
|
|
/* Now null out the reference, we are completely detached. */
|
|
so->so_pcb = NULL;
|
|
SOCK_UNLOCK(so);
|
|
} else {
|
|
flags = inp->sctp_flags;
|
|
if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
|
|
goto sctp_must_try_again;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
static int
|
|
sctp_attach(struct socket *so, int proto, struct thread *p)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
struct inpcb *ip_inp;
|
|
int error;
|
|
uint32_t vrf_id = SCTP_DEFAULT_VRFID;
|
|
|
|
#ifdef IPSEC
|
|
uint32_t flags;
|
|
|
|
#endif
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp != 0) {
|
|
return EINVAL;
|
|
}
|
|
error = SCTP_SORESERVE(so, sctp_sendspace, sctp_recvspace);
|
|
if (error) {
|
|
return error;
|
|
}
|
|
error = sctp_inpcb_alloc(so, vrf_id);
|
|
if (error) {
|
|
return error;
|
|
}
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
SCTP_INP_WLOCK(inp);
|
|
|
|
inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */
|
|
ip_inp = &inp->ip_inp.inp;
|
|
ip_inp->inp_vflag |= INP_IPV4;
|
|
ip_inp->inp_ip_ttl = ip_defttl;
|
|
|
|
#ifdef IPSEC
|
|
error = ipsec_init_pcbpolicy(so, &ip_inp->inp_sp);
|
|
#ifdef SCTP_LOG_CLOSING
|
|
sctp_log_closing(inp, NULL, 17);
|
|
#endif
|
|
if (error != 0) {
|
|
flags = inp->sctp_flags;
|
|
if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
|
|
(atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
|
|
#ifdef SCTP_LOG_CLOSING
|
|
sctp_log_closing(inp, NULL, 15);
|
|
#endif
|
|
SCTP_INP_WUNLOCK(inp);
|
|
sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
|
|
SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
|
|
} else {
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
return error;
|
|
}
|
|
#endif /* IPSEC */
|
|
SCTP_INP_WUNLOCK(inp);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
int error;
|
|
|
|
#ifdef INET6
|
|
if (addr && addr->sa_family != AF_INET)
|
|
/* must be a v4 address! */
|
|
return EINVAL;
|
|
#endif /* INET6 */
|
|
if (addr && (addr->sa_len != sizeof(struct sockaddr_in))) {
|
|
return EINVAL;
|
|
}
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0)
|
|
return EINVAL;
|
|
|
|
error = sctp_inpcb_bind(so, addr, NULL, p);
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
sctp_close(struct socket *so)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
uint32_t flags;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0)
|
|
return;
|
|
|
|
/*
|
|
* Inform all the lower layer assoc that we are done.
|
|
*/
|
|
sctp_must_try_again:
|
|
flags = inp->sctp_flags;
|
|
#ifdef SCTP_LOG_CLOSING
|
|
sctp_log_closing(inp, NULL, 17);
|
|
#endif
|
|
if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
|
|
(atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
|
|
if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
|
|
(so->so_rcv.sb_cc > 0)) {
|
|
#ifdef SCTP_LOG_CLOSING
|
|
sctp_log_closing(inp, NULL, 13);
|
|
#endif
|
|
sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
|
|
SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
|
|
} else {
|
|
#ifdef SCTP_LOG_CLOSING
|
|
sctp_log_closing(inp, NULL, 14);
|
|
#endif
|
|
sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,
|
|
SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
|
|
}
|
|
/*
|
|
* The socket is now detached, no matter what the state of
|
|
* the SCTP association.
|
|
*/
|
|
SOCK_LOCK(so);
|
|
SCTP_SB_CLEAR(so->so_snd);
|
|
/*
|
|
* same for the rcv ones, they are only here for the
|
|
* accounting/select.
|
|
*/
|
|
SCTP_SB_CLEAR(so->so_rcv);
|
|
|
|
/* Now null out the reference, we are completely detached. */
|
|
so->so_pcb = NULL;
|
|
SOCK_UNLOCK(so);
|
|
} else {
|
|
flags = inp->sctp_flags;
|
|
if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
|
|
goto sctp_must_try_again;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
int
|
|
sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
|
|
struct mbuf *control, struct thread *p);
|
|
|
|
|
|
int
|
|
sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
|
|
struct mbuf *control, struct thread *p)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
int error;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0) {
|
|
if (control) {
|
|
sctp_m_freem(control);
|
|
control = NULL;
|
|
}
|
|
sctp_m_freem(m);
|
|
return EINVAL;
|
|
}
|
|
/* Got to have an to address if we are NOT a connected socket */
|
|
if ((addr == NULL) &&
|
|
((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) ||
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))
|
|
) {
|
|
goto connected_type;
|
|
} else if (addr == NULL) {
|
|
error = EDESTADDRREQ;
|
|
sctp_m_freem(m);
|
|
if (control) {
|
|
sctp_m_freem(control);
|
|
control = NULL;
|
|
}
|
|
return (error);
|
|
}
|
|
#ifdef INET6
|
|
if (addr->sa_family != AF_INET) {
|
|
/* must be a v4 address! */
|
|
sctp_m_freem(m);
|
|
if (control) {
|
|
sctp_m_freem(control);
|
|
control = NULL;
|
|
}
|
|
error = EDESTADDRREQ;
|
|
return EINVAL;
|
|
}
|
|
#endif /* INET6 */
|
|
connected_type:
|
|
/* now what about control */
|
|
if (control) {
|
|
if (inp->control) {
|
|
SCTP_PRINTF("huh? control set?\n");
|
|
sctp_m_freem(inp->control);
|
|
inp->control = NULL;
|
|
}
|
|
inp->control = control;
|
|
}
|
|
/* Place the data */
|
|
if (inp->pkt) {
|
|
SCTP_BUF_NEXT(inp->pkt_last) = m;
|
|
inp->pkt_last = m;
|
|
} else {
|
|
inp->pkt_last = inp->pkt = m;
|
|
}
|
|
if (
|
|
/* FreeBSD uses a flag passed */
|
|
((flags & PRUS_MORETOCOME) == 0)
|
|
) {
|
|
/*
|
|
* note with the current version this code will only be used
|
|
* by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for
|
|
* re-defining sosend to use the sctp_sosend. One can
|
|
* optionally switch back to this code (by changing back the
|
|
* definitions) but this is not advisable. This code is used
|
|
* by FreeBSD when sending a file with sendfile() though.
|
|
*/
|
|
int ret;
|
|
|
|
ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
|
|
inp->pkt = NULL;
|
|
inp->control = NULL;
|
|
return (ret);
|
|
} else {
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
static int
|
|
sctp_disconnect(struct socket *so)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == NULL) {
|
|
return (ENOTCONN);
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
|
|
if (SCTP_LIST_EMPTY(&inp->sctp_asoc_list)) {
|
|
/* No connection */
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (0);
|
|
} else {
|
|
struct sctp_association *asoc;
|
|
struct sctp_tcb *stcb;
|
|
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (EINVAL);
|
|
}
|
|
SCTP_TCB_LOCK(stcb);
|
|
asoc = &stcb->asoc;
|
|
if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
|
|
/* We are about to be freed, out of here */
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (0);
|
|
}
|
|
if (((so->so_options & SO_LINGER) &&
|
|
(so->so_linger == 0)) ||
|
|
(so->so_rcv.sb_cc > 0)) {
|
|
if (SCTP_GET_STATE(asoc) !=
|
|
SCTP_STATE_COOKIE_WAIT) {
|
|
/* Left with Data unread */
|
|
struct mbuf *err;
|
|
|
|
err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA);
|
|
if (err) {
|
|
/*
|
|
* Fill in the user
|
|
* initiated abort
|
|
*/
|
|
struct sctp_paramhdr *ph;
|
|
|
|
ph = mtod(err, struct sctp_paramhdr *);
|
|
SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr);
|
|
ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
|
|
ph->param_length = htons(SCTP_BUF_LEN(err));
|
|
}
|
|
sctp_send_abort_tcb(stcb, err);
|
|
SCTP_STAT_INCR_COUNTER32(sctps_aborted);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
|
|
(SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
|
|
SCTP_STAT_DECR_GAUGE32(sctps_currestab);
|
|
}
|
|
sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3);
|
|
/* No unlock tcb assoc is gone */
|
|
return (0);
|
|
}
|
|
if (TAILQ_EMPTY(&asoc->send_queue) &&
|
|
TAILQ_EMPTY(&asoc->sent_queue) &&
|
|
(asoc->stream_queue_cnt == 0)) {
|
|
/* there is nothing queued to send, so done */
|
|
if (asoc->locked_on_sending) {
|
|
goto abort_anyway;
|
|
}
|
|
if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&
|
|
(SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {
|
|
/* only send SHUTDOWN 1st time thru */
|
|
sctp_stop_timers_for_shutdown(stcb);
|
|
sctp_send_shutdown(stcb,
|
|
stcb->asoc.primary_destination);
|
|
sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3);
|
|
if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
|
|
(SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
|
|
SCTP_STAT_DECR_GAUGE32(sctps_currestab);
|
|
}
|
|
asoc->state = SCTP_STATE_SHUTDOWN_SENT;
|
|
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
|
|
stcb->sctp_ep, stcb,
|
|
asoc->primary_destination);
|
|
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
|
|
stcb->sctp_ep, stcb,
|
|
asoc->primary_destination);
|
|
}
|
|
} else {
|
|
/*
|
|
* we still got (or just got) data to send,
|
|
* so set SHUTDOWN_PENDING
|
|
*/
|
|
/*
|
|
* XXX sockets draft says that SCTP_EOF
|
|
* should be sent with no data. currently,
|
|
* we will allow user data to be sent first
|
|
* and move to SHUTDOWN-PENDING
|
|
*/
|
|
asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
|
|
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
|
|
asoc->primary_destination);
|
|
if (asoc->locked_on_sending) {
|
|
/* Locked to send out the data */
|
|
struct sctp_stream_queue_pending *sp;
|
|
|
|
sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
|
|
if (sp == NULL) {
|
|
SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
|
|
asoc->locked_on_sending->stream_no);
|
|
} else {
|
|
if ((sp->length == 0) && (sp->msg_is_complete == 0))
|
|
asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
|
|
}
|
|
}
|
|
if (TAILQ_EMPTY(&asoc->send_queue) &&
|
|
TAILQ_EMPTY(&asoc->sent_queue) &&
|
|
(asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
|
|
struct mbuf *op_err;
|
|
|
|
abort_anyway:
|
|
op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
|
|
0, M_DONTWAIT, 1, MT_DATA);
|
|
if (op_err) {
|
|
/*
|
|
* Fill in the user
|
|
* initiated abort
|
|
*/
|
|
struct sctp_paramhdr *ph;
|
|
uint32_t *ippp;
|
|
|
|
SCTP_BUF_LEN(op_err) =
|
|
(sizeof(struct sctp_paramhdr) + sizeof(uint32_t));
|
|
ph = mtod(op_err,
|
|
struct sctp_paramhdr *);
|
|
ph->param_type = htons(
|
|
SCTP_CAUSE_USER_INITIATED_ABT);
|
|
ph->param_length = htons(SCTP_BUF_LEN(op_err));
|
|
ippp = (uint32_t *) (ph + 1);
|
|
*ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4);
|
|
}
|
|
stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4;
|
|
sctp_send_abort_tcb(stcb, op_err);
|
|
SCTP_STAT_INCR_COUNTER32(sctps_aborted);
|
|
if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
|
|
(SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
|
|
SCTP_STAT_DECR_GAUGE32(sctps_currestab);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5);
|
|
return (0);
|
|
}
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (0);
|
|
}
|
|
/* not reached */
|
|
} else {
|
|
/* UDP model does not support this */
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
int
|
|
sctp_shutdown(struct socket *so)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0) {
|
|
return EINVAL;
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
/* For UDP model this is a invalid call */
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
|
|
/* Restore the flags that the soshutdown took away. */
|
|
so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
|
|
/* This proc will wakeup for read and do nothing (I hope) */
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (EOPNOTSUPP);
|
|
}
|
|
/*
|
|
* Ok if we reach here its the TCP model and it is either a SHUT_WR
|
|
* or SHUT_RDWR. This means we put the shutdown flag against it.
|
|
*/
|
|
{
|
|
struct sctp_tcb *stcb;
|
|
struct sctp_association *asoc;
|
|
|
|
socantsendmore(so);
|
|
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb == NULL) {
|
|
/*
|
|
* Ok we hit the case that the shutdown call was
|
|
* made after an abort or something. Nothing to do
|
|
* now.
|
|
*/
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (0);
|
|
}
|
|
SCTP_TCB_LOCK(stcb);
|
|
asoc = &stcb->asoc;
|
|
if (TAILQ_EMPTY(&asoc->send_queue) &&
|
|
TAILQ_EMPTY(&asoc->sent_queue) &&
|
|
(asoc->stream_queue_cnt == 0)) {
|
|
if (asoc->locked_on_sending) {
|
|
goto abort_anyway;
|
|
}
|
|
/* there is nothing queued to send, so I'm done... */
|
|
if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) {
|
|
/* only send SHUTDOWN the first time through */
|
|
sctp_stop_timers_for_shutdown(stcb);
|
|
sctp_send_shutdown(stcb,
|
|
stcb->asoc.primary_destination);
|
|
sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3);
|
|
if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
|
|
(SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
|
|
SCTP_STAT_DECR_GAUGE32(sctps_currestab);
|
|
}
|
|
asoc->state = SCTP_STATE_SHUTDOWN_SENT;
|
|
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
|
|
stcb->sctp_ep, stcb,
|
|
asoc->primary_destination);
|
|
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
|
|
stcb->sctp_ep, stcb,
|
|
asoc->primary_destination);
|
|
}
|
|
} else {
|
|
/*
|
|
* we still got (or just got) data to send, so set
|
|
* SHUTDOWN_PENDING
|
|
*/
|
|
asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
|
|
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
|
|
asoc->primary_destination);
|
|
|
|
if (asoc->locked_on_sending) {
|
|
/* Locked to send out the data */
|
|
struct sctp_stream_queue_pending *sp;
|
|
|
|
sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
|
|
if (sp == NULL) {
|
|
SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
|
|
asoc->locked_on_sending->stream_no);
|
|
} else {
|
|
if ((sp->length == 0) && (sp->msg_is_complete == 0)) {
|
|
asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
|
|
}
|
|
}
|
|
}
|
|
if (TAILQ_EMPTY(&asoc->send_queue) &&
|
|
TAILQ_EMPTY(&asoc->sent_queue) &&
|
|
(asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
|
|
struct mbuf *op_err;
|
|
|
|
abort_anyway:
|
|
op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
|
|
0, M_DONTWAIT, 1, MT_DATA);
|
|
if (op_err) {
|
|
/* Fill in the user initiated abort */
|
|
struct sctp_paramhdr *ph;
|
|
uint32_t *ippp;
|
|
|
|
SCTP_BUF_LEN(op_err) =
|
|
sizeof(struct sctp_paramhdr) + sizeof(uint32_t);
|
|
ph = mtod(op_err,
|
|
struct sctp_paramhdr *);
|
|
ph->param_type = htons(
|
|
SCTP_CAUSE_USER_INITIATED_ABT);
|
|
ph->param_length = htons(SCTP_BUF_LEN(op_err));
|
|
ippp = (uint32_t *) (ph + 1);
|
|
*ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6);
|
|
}
|
|
stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6;
|
|
sctp_abort_an_association(stcb->sctp_ep, stcb,
|
|
SCTP_RESPONSE_TO_USER_REQ,
|
|
op_err);
|
|
goto skip_unlock;
|
|
}
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
skip_unlock:
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* copies a "user" presentable address and removes embedded scope, etc.
|
|
* returns 0 on success, 1 on error
|
|
*/
|
|
static uint32_t
|
|
sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa)
|
|
{
|
|
struct sockaddr_in6 lsa6;
|
|
|
|
sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa,
|
|
&lsa6);
|
|
memcpy(ss, sa, sa->sa_len);
|
|
return (0);
|
|
}
|
|
|
|
|
|
|
|
static size_t
|
|
sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp,
|
|
struct sctp_tcb *stcb,
|
|
size_t limit,
|
|
struct sockaddr_storage *sas,
|
|
uint32_t vrf_id)
|
|
{
|
|
struct sctp_ifn *sctp_ifn;
|
|
struct sctp_ifa *sctp_ifa;
|
|
int loopback_scope, ipv4_local_scope, local_scope, site_scope;
|
|
size_t actual;
|
|
int ipv4_addr_legal, ipv6_addr_legal;
|
|
struct sctp_vrf *vrf;
|
|
|
|
actual = 0;
|
|
if (limit <= 0)
|
|
return (actual);
|
|
|
|
if (stcb) {
|
|
/* Turn on all the appropriate scope */
|
|
loopback_scope = stcb->asoc.loopback_scope;
|
|
ipv4_local_scope = stcb->asoc.ipv4_local_scope;
|
|
local_scope = stcb->asoc.local_scope;
|
|
site_scope = stcb->asoc.site_scope;
|
|
} else {
|
|
/* Turn on ALL scope, since we look at the EP */
|
|
loopback_scope = ipv4_local_scope = local_scope =
|
|
site_scope = 1;
|
|
}
|
|
ipv4_addr_legal = ipv6_addr_legal = 0;
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
|
|
ipv6_addr_legal = 1;
|
|
if (SCTP_IPV6_V6ONLY(inp) == 0) {
|
|
ipv4_addr_legal = 1;
|
|
}
|
|
} else {
|
|
ipv4_addr_legal = 1;
|
|
}
|
|
vrf = sctp_find_vrf(vrf_id);
|
|
if (vrf == NULL) {
|
|
return (0);
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
|
|
LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
|
|
if ((loopback_scope == 0) &&
|
|
SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {
|
|
/* Skip loopback if loopback_scope not set */
|
|
continue;
|
|
}
|
|
LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
|
|
if (stcb) {
|
|
/*
|
|
* For the BOUND-ALL case, the list
|
|
* associated with a TCB is Always
|
|
* considered a reverse list.. i.e.
|
|
* it lists addresses that are NOT
|
|
* part of the association. If this
|
|
* is one of those we must skip it.
|
|
*/
|
|
if (sctp_is_addr_restricted(stcb,
|
|
sctp_ifa)) {
|
|
continue;
|
|
}
|
|
}
|
|
if ((sctp_ifa->address.sa.sa_family == AF_INET) &&
|
|
(ipv4_addr_legal)) {
|
|
struct sockaddr_in *sin;
|
|
|
|
sin = (struct sockaddr_in *)&sctp_ifa->address.sa;
|
|
if (sin->sin_addr.s_addr == 0) {
|
|
/*
|
|
* we skip unspecifed
|
|
* addresses
|
|
*/
|
|
continue;
|
|
}
|
|
if ((ipv4_local_scope == 0) &&
|
|
(IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
|
|
continue;
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) {
|
|
in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas);
|
|
((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
|
|
sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6));
|
|
actual += sizeof(sizeof(struct sockaddr_in6));
|
|
} else {
|
|
memcpy(sas, sin, sizeof(*sin));
|
|
((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
|
|
sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin));
|
|
actual += sizeof(*sin);
|
|
}
|
|
if (actual >= limit) {
|
|
return (actual);
|
|
}
|
|
} else if ((sctp_ifa->address.sa.sa_family == AF_INET6) &&
|
|
(ipv6_addr_legal)) {
|
|
struct sockaddr_in6 *sin6;
|
|
|
|
sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa;
|
|
if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
|
|
/*
|
|
* we skip unspecifed
|
|
* addresses
|
|
*/
|
|
continue;
|
|
}
|
|
if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
|
|
if (local_scope == 0)
|
|
continue;
|
|
if (sin6->sin6_scope_id == 0) {
|
|
if (sa6_recoverscope(sin6) != 0)
|
|
/*
|
|
* bad link
|
|
* local
|
|
* address
|
|
*/
|
|
continue;
|
|
}
|
|
}
|
|
if ((site_scope == 0) &&
|
|
(IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {
|
|
continue;
|
|
}
|
|
memcpy(sas, sin6, sizeof(*sin6));
|
|
((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
|
|
sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6));
|
|
actual += sizeof(*sin6);
|
|
if (actual >= limit) {
|
|
return (actual);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
struct sctp_laddr *laddr;
|
|
|
|
/* The list is a NEGATIVE list */
|
|
LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
|
|
if (stcb) {
|
|
if (sctp_is_addr_restricted(stcb, laddr->ifa)) {
|
|
continue;
|
|
}
|
|
}
|
|
if (sctp_fill_user_address(sas, &laddr->ifa->address.sa))
|
|
continue;
|
|
|
|
((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
|
|
sas = (struct sockaddr_storage *)((caddr_t)sas +
|
|
laddr->ifa->address.sa.sa_len);
|
|
actual += laddr->ifa->address.sa.sa_len;
|
|
if (actual >= limit) {
|
|
return (actual);
|
|
}
|
|
}
|
|
}
|
|
return (actual);
|
|
}
|
|
|
|
static size_t
|
|
sctp_fill_up_addresses(struct sctp_inpcb *inp,
|
|
struct sctp_tcb *stcb,
|
|
size_t limit,
|
|
struct sockaddr_storage *sas)
|
|
{
|
|
size_t size = 0;
|
|
|
|
/* fill up addresses for the endpoint's default vrf */
|
|
size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
|
|
inp->def_vrf_id);
|
|
return (size);
|
|
}
|
|
|
|
static int
|
|
sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id)
|
|
{
|
|
int cnt = 0;
|
|
struct sctp_vrf *vrf = NULL;
|
|
|
|
/*
|
|
* In both sub-set bound an bound_all cases we return the MAXIMUM
|
|
* number of addresses that you COULD get. In reality the sub-set
|
|
* bound may have an exclusion list for a given TCB OR in the
|
|
* bound-all case a TCB may NOT include the loopback or other
|
|
* addresses as well.
|
|
*/
|
|
vrf = sctp_find_vrf(vrf_id);
|
|
if (vrf == NULL) {
|
|
return (0);
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
|
|
struct sctp_ifn *sctp_ifn;
|
|
struct sctp_ifa *sctp_ifa;
|
|
|
|
LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
|
|
LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
|
|
/* Count them if they are the right type */
|
|
if (sctp_ifa->address.sa.sa_family == AF_INET) {
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)
|
|
cnt += sizeof(struct sockaddr_in6);
|
|
else
|
|
cnt += sizeof(struct sockaddr_in);
|
|
|
|
} else if (sctp_ifa->address.sa.sa_family == AF_INET6)
|
|
cnt += sizeof(struct sockaddr_in6);
|
|
}
|
|
}
|
|
} else {
|
|
struct sctp_laddr *laddr;
|
|
|
|
LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
|
|
if (laddr->ifa->address.sa.sa_family == AF_INET) {
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)
|
|
cnt += sizeof(struct sockaddr_in6);
|
|
else
|
|
cnt += sizeof(struct sockaddr_in);
|
|
|
|
} else if (laddr->ifa->address.sa.sa_family == AF_INET6)
|
|
cnt += sizeof(struct sockaddr_in6);
|
|
}
|
|
}
|
|
return (cnt);
|
|
}
|
|
|
|
static int
|
|
sctp_count_max_addresses(struct sctp_inpcb *inp)
|
|
{
|
|
int cnt = 0;
|
|
|
|
/* count addresses for the endpoint's default VRF */
|
|
cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id);
|
|
return (cnt);
|
|
}
|
|
|
|
static int
|
|
sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval,
|
|
size_t optsize, void *p, int delay)
|
|
{
|
|
int error = 0;
|
|
int creat_lock_on = 0;
|
|
struct sctp_tcb *stcb = NULL;
|
|
struct sockaddr *sa;
|
|
int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr;
|
|
int added = 0;
|
|
uint32_t vrf_id;
|
|
int bad_addresses = 0;
|
|
sctp_assoc_t *a_id;
|
|
|
|
SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n");
|
|
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
|
|
/* We are already connected AND the TCP model */
|
|
return (EADDRINUSE);
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) {
|
|
return (EINVAL);
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
if (stcb) {
|
|
return (EALREADY);
|
|
}
|
|
SCTP_INP_INCR_REF(inp);
|
|
SCTP_ASOC_CREATE_LOCK(inp);
|
|
creat_lock_on = 1;
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
|
|
error = EFAULT;
|
|
goto out_now;
|
|
}
|
|
totaddrp = (int *)optval;
|
|
totaddr = *totaddrp;
|
|
sa = (struct sockaddr *)(totaddrp + 1);
|
|
stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses);
|
|
if ((stcb != NULL) || bad_addresses) {
|
|
/* Already have or am bring up an association */
|
|
SCTP_ASOC_CREATE_UNLOCK(inp);
|
|
creat_lock_on = 0;
|
|
if (stcb)
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
if (bad_addresses == 0)
|
|
error = EALREADY;
|
|
goto out_now;
|
|
}
|
|
#ifdef INET6
|
|
if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
|
|
(num_v6 > 0)) {
|
|
error = EINVAL;
|
|
goto out_now;
|
|
}
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
|
|
(num_v4 > 0)) {
|
|
struct in6pcb *inp6;
|
|
|
|
inp6 = (struct in6pcb *)inp;
|
|
if (SCTP_IPV6_V6ONLY(inp6)) {
|
|
/*
|
|
* if IPV6_V6ONLY flag, ignore connections destined
|
|
* to a v4 addr or v4-mapped addr
|
|
*/
|
|
error = EINVAL;
|
|
goto out_now;
|
|
}
|
|
}
|
|
#endif /* INET6 */
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
|
|
SCTP_PCB_FLAGS_UNBOUND) {
|
|
/* Bind a ephemeral port */
|
|
error = sctp_inpcb_bind(so, NULL, NULL, p);
|
|
if (error) {
|
|
goto out_now;
|
|
}
|
|
}
|
|
/* FIX ME: do we want to pass in a vrf on the connect call? */
|
|
vrf_id = inp->def_vrf_id;
|
|
|
|
/* We are GOOD to go */
|
|
stcb = sctp_aloc_assoc(inp, sa, 1, &error, 0, vrf_id);
|
|
if (stcb == NULL) {
|
|
/* Gak! no memory */
|
|
goto out_now;
|
|
}
|
|
stcb->asoc.state = SCTP_STATE_COOKIE_WAIT;
|
|
/* move to second address */
|
|
if (sa->sa_family == AF_INET)
|
|
sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in));
|
|
else
|
|
sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6));
|
|
|
|
error = 0;
|
|
added = sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error);
|
|
/* Fill in the return id */
|
|
if (error) {
|
|
sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12);
|
|
goto out_now;
|
|
}
|
|
a_id = (sctp_assoc_t *) optval;
|
|
*a_id = sctp_get_associd(stcb);
|
|
|
|
/* initialize authentication parameters for the assoc */
|
|
sctp_initialize_auth_params(inp, stcb);
|
|
|
|
if (delay) {
|
|
/* doing delayed connection */
|
|
stcb->asoc.delayed_connection = 1;
|
|
sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination);
|
|
} else {
|
|
(void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
|
|
sctp_send_initiate(inp, stcb);
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
|
|
stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
|
|
/* Set the connected flag so we can queue data */
|
|
soisconnecting(so);
|
|
}
|
|
out_now:
|
|
if (creat_lock_on) {
|
|
SCTP_ASOC_CREATE_UNLOCK(inp);
|
|
}
|
|
SCTP_INP_DECR_REF(inp);
|
|
return error;
|
|
}
|
|
|
|
#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \
|
|
SCTP_INP_RLOCK(inp); \
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list); \
|
|
if (stcb) { \
|
|
SCTP_TCB_LOCK(stcb); \
|
|
} \
|
|
SCTP_INP_RUNLOCK(inp); \
|
|
} else if (assoc_id != 0) { \
|
|
stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \
|
|
if (stcb == NULL) { \
|
|
error = ENOENT; \
|
|
break; \
|
|
} \
|
|
} else { \
|
|
stcb = NULL; \
|
|
} \
|
|
}
|
|
|
|
|
|
#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\
|
|
if (size < sizeof(type)) { \
|
|
error = EINVAL; \
|
|
break; \
|
|
} else { \
|
|
destp = (type *)srcp; \
|
|
} \
|
|
}
|
|
|
|
static int
|
|
sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
|
|
void *p)
|
|
{
|
|
struct sctp_inpcb *inp;
|
|
int error, val = 0;
|
|
struct sctp_tcb *stcb = NULL;
|
|
|
|
if (optval == NULL) {
|
|
return (EINVAL);
|
|
}
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0)
|
|
return EINVAL;
|
|
error = 0;
|
|
|
|
switch (optname) {
|
|
case SCTP_NODELAY:
|
|
case SCTP_AUTOCLOSE:
|
|
case SCTP_EXPLICIT_EOR:
|
|
case SCTP_AUTO_ASCONF:
|
|
case SCTP_DISABLE_FRAGMENTS:
|
|
case SCTP_I_WANT_MAPPED_V4_ADDR:
|
|
case SCTP_USE_EXT_RCVINFO:
|
|
SCTP_INP_RLOCK(inp);
|
|
switch (optname) {
|
|
case SCTP_DISABLE_FRAGMENTS:
|
|
val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT);
|
|
break;
|
|
case SCTP_I_WANT_MAPPED_V4_ADDR:
|
|
val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4);
|
|
break;
|
|
case SCTP_AUTO_ASCONF:
|
|
val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);
|
|
break;
|
|
case SCTP_EXPLICIT_EOR:
|
|
val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR);
|
|
break;
|
|
case SCTP_NODELAY:
|
|
val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY);
|
|
break;
|
|
case SCTP_USE_EXT_RCVINFO:
|
|
val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO);
|
|
break;
|
|
case SCTP_AUTOCLOSE:
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE))
|
|
val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time);
|
|
else
|
|
val = 0;
|
|
break;
|
|
|
|
default:
|
|
error = ENOPROTOOPT;
|
|
} /* end switch (sopt->sopt_name) */
|
|
if (optname != SCTP_AUTOCLOSE) {
|
|
/* make it an "on/off" value */
|
|
val = (val != 0);
|
|
}
|
|
if (*optsize < sizeof(val)) {
|
|
error = EINVAL;
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
if (error == 0) {
|
|
/* return the option value */
|
|
*(int *)optval = val;
|
|
*optsize = sizeof(val);
|
|
}
|
|
break;
|
|
case SCTP_GET_PACKET_LOG:
|
|
{
|
|
#ifdef SCTP_PACKET_LOGGING
|
|
uint8_t *target;
|
|
int ret;
|
|
|
|
SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize);
|
|
ret = sctp_copy_out_packet_log(target, (int)*optsize);
|
|
*optsize = ret;
|
|
#else
|
|
error = EOPNOTSUPP;
|
|
#endif
|
|
break;
|
|
}
|
|
case SCTP_PARTIAL_DELIVERY_POINT:
|
|
{
|
|
uint32_t *value;
|
|
|
|
SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
|
|
*value = inp->partial_delivery_point;
|
|
*optsize = sizeof(uint32_t);
|
|
}
|
|
break;
|
|
case SCTP_FRAGMENT_INTERLEAVE:
|
|
{
|
|
uint32_t *value;
|
|
|
|
SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) {
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) {
|
|
*value = SCTP_FRAG_LEVEL_2;
|
|
} else {
|
|
*value = SCTP_FRAG_LEVEL_1;
|
|
}
|
|
} else {
|
|
*value = SCTP_FRAG_LEVEL_0;
|
|
}
|
|
*optsize = sizeof(uint32_t);
|
|
}
|
|
break;
|
|
case SCTP_CMT_ON_OFF:
|
|
{
|
|
struct sctp_assoc_value *av;
|
|
|
|
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
|
|
if (sctp_cmt_on_off) {
|
|
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
|
|
if (stcb) {
|
|
av->assoc_value = stcb->asoc.sctp_cmt_on_off;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
|
|
} else {
|
|
error = ENOTCONN;
|
|
}
|
|
} else {
|
|
error = ENOPROTOOPT;
|
|
}
|
|
*optsize = sizeof(*av);
|
|
}
|
|
break;
|
|
case SCTP_GET_ADDR_LEN:
|
|
{
|
|
struct sctp_assoc_value *av;
|
|
|
|
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
|
|
error = EINVAL;
|
|
#ifdef INET
|
|
if (av->assoc_value == AF_INET) {
|
|
av->assoc_value = sizeof(struct sockaddr_in);
|
|
error = 0;
|
|
}
|
|
#endif
|
|
#ifdef INET6
|
|
if (av->assoc_value == AF_INET6) {
|
|
av->assoc_value = sizeof(struct sockaddr_in6);
|
|
error = 0;
|
|
}
|
|
#endif
|
|
*optsize = sizeof(*av);
|
|
}
|
|
break;
|
|
case SCTP_GET_ASSOC_NUMBER:
|
|
{
|
|
uint32_t *value, cnt;
|
|
|
|
SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
|
|
cnt = 0;
|
|
SCTP_INP_RLOCK(inp);
|
|
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
|
|
cnt++;
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
*value = cnt;
|
|
*optsize = sizeof(uint32_t);
|
|
}
|
|
break;
|
|
|
|
case SCTP_GET_ASSOC_ID_LIST:
|
|
{
|
|
struct sctp_assoc_ids *ids;
|
|
unsigned int at, limit;
|
|
|
|
SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize);
|
|
at = 0;
|
|
limit = *optsize / sizeof(sctp_assoc_t);
|
|
SCTP_INP_RLOCK(inp);
|
|
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
|
|
if (at < limit) {
|
|
ids->gaids_assoc_id[at++] = sctp_get_associd(stcb);
|
|
} else {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
*optsize = at * sizeof(sctp_assoc_t);
|
|
}
|
|
break;
|
|
case SCTP_CONTEXT:
|
|
{
|
|
struct sctp_assoc_value *av;
|
|
|
|
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
|
|
|
|
if (stcb) {
|
|
av->assoc_value = stcb->asoc.context;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_RLOCK(inp);
|
|
av->assoc_value = inp->sctp_context;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
*optsize = sizeof(*av);
|
|
}
|
|
break;
|
|
case SCTP_VRF_ID:
|
|
{
|
|
uint32_t *default_vrfid;
|
|
|
|
SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize);
|
|
*default_vrfid = inp->def_vrf_id;
|
|
break;
|
|
}
|
|
case SCTP_GET_ASOC_VRF:
|
|
{
|
|
struct sctp_assoc_value *id;
|
|
|
|
SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, id->assoc_id);
|
|
if (stcb == NULL) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
id->assoc_value = stcb->asoc.vrf_id;
|
|
break;
|
|
}
|
|
case SCTP_GET_VRF_IDS:
|
|
{
|
|
error = EOPNOTSUPP;
|
|
break;
|
|
}
|
|
case SCTP_GET_NONCE_VALUES:
|
|
{
|
|
struct sctp_get_nonce_values *gnv;
|
|
|
|
SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id);
|
|
|
|
if (stcb) {
|
|
gnv->gn_peers_tag = stcb->asoc.peer_vtag;
|
|
gnv->gn_local_tag = stcb->asoc.my_vtag;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
error = ENOTCONN;
|
|
}
|
|
*optsize = sizeof(*gnv);
|
|
}
|
|
break;
|
|
case SCTP_DELAYED_SACK:
|
|
{
|
|
struct sctp_sack_info *sack;
|
|
|
|
SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
|
|
if (stcb) {
|
|
sack->sack_delay = stcb->asoc.delayed_ack;
|
|
sack->sack_freq = stcb->asoc.sack_freq;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_RLOCK(inp);
|
|
sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]);
|
|
sack->sack_freq = inp->sctp_ep.sctp_sack_freq;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
*optsize = sizeof(*sack);
|
|
}
|
|
break;
|
|
|
|
case SCTP_GET_SNDBUF_USE:
|
|
{
|
|
struct sctp_sockstat *ss;
|
|
|
|
SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id);
|
|
|
|
if (stcb) {
|
|
ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size;
|
|
ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue +
|
|
stcb->asoc.size_on_all_streams);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
error = ENOTCONN;
|
|
}
|
|
*optsize = sizeof(struct sctp_sockstat);
|
|
}
|
|
break;
|
|
case SCTP_MAX_BURST:
|
|
{
|
|
uint8_t *value;
|
|
|
|
SCTP_CHECK_AND_CAST(value, optval, uint8_t, *optsize);
|
|
|
|
SCTP_INP_RLOCK(inp);
|
|
*value = inp->sctp_ep.max_burst;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
*optsize = sizeof(uint8_t);
|
|
}
|
|
break;
|
|
case SCTP_MAXSEG:
|
|
{
|
|
struct sctp_assoc_value *av;
|
|
int ovh;
|
|
|
|
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
|
|
|
|
if (stcb) {
|
|
av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_RLOCK(inp);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
|
|
ovh = SCTP_MED_OVERHEAD;
|
|
} else {
|
|
ovh = SCTP_MED_V4_OVERHEAD;
|
|
}
|
|
if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT)
|
|
av->assoc_value = 0;
|
|
else
|
|
av->assoc_value = inp->sctp_frag_point - ovh;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
*optsize = sizeof(struct sctp_assoc_value);
|
|
}
|
|
break;
|
|
case SCTP_GET_STAT_LOG:
|
|
error = sctp_fill_stat_log(optval, optsize);
|
|
break;
|
|
case SCTP_EVENTS:
|
|
{
|
|
struct sctp_event_subscribe *events;
|
|
|
|
SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize);
|
|
memset(events, 0, sizeof(*events));
|
|
SCTP_INP_RLOCK(inp);
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT))
|
|
events->sctp_data_io_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT))
|
|
events->sctp_association_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT))
|
|
events->sctp_address_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT))
|
|
events->sctp_send_failure_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR))
|
|
events->sctp_peer_error_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT))
|
|
events->sctp_shutdown_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT))
|
|
events->sctp_partial_delivery_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT))
|
|
events->sctp_adaptation_layer_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT))
|
|
events->sctp_authentication_event = 1;
|
|
|
|
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT))
|
|
events->sctp_stream_reset_events = 1;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
*optsize = sizeof(struct sctp_event_subscribe);
|
|
}
|
|
break;
|
|
|
|
case SCTP_ADAPTATION_LAYER:
|
|
{
|
|
uint32_t *value;
|
|
|
|
SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
|
|
|
|
SCTP_INP_RLOCK(inp);
|
|
*value = inp->sctp_ep.adaptation_layer_indicator;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
*optsize = sizeof(uint32_t);
|
|
}
|
|
break;
|
|
case SCTP_SET_INITIAL_DBG_SEQ:
|
|
{
|
|
uint32_t *value;
|
|
|
|
SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
|
|
SCTP_INP_RLOCK(inp);
|
|
*value = inp->sctp_ep.initial_sequence_debug;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
*optsize = sizeof(uint32_t);
|
|
}
|
|
break;
|
|
case SCTP_GET_LOCAL_ADDR_SIZE:
|
|
{
|
|
uint32_t *value;
|
|
|
|
SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
|
|
SCTP_INP_RLOCK(inp);
|
|
*value = sctp_count_max_addresses(inp);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
*optsize = sizeof(uint32_t);
|
|
}
|
|
break;
|
|
case SCTP_GET_REMOTE_ADDR_SIZE:
|
|
{
|
|
uint32_t *value;
|
|
size_t size;
|
|
struct sctp_nets *net;
|
|
|
|
SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
|
|
/* FIXME MT: change to sctp_assoc_value? */
|
|
SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value);
|
|
|
|
if (stcb) {
|
|
size = 0;
|
|
/* Count the sizes */
|
|
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
|
|
if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) ||
|
|
(((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) {
|
|
size += sizeof(struct sockaddr_in6);
|
|
} else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) {
|
|
size += sizeof(struct sockaddr_in);
|
|
} else {
|
|
/* huh */
|
|
break;
|
|
}
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
*value = (uint32_t) size;
|
|
} else {
|
|
error = ENOTCONN;
|
|
}
|
|
*optsize = sizeof(uint32_t);
|
|
}
|
|
break;
|
|
case SCTP_GET_PEER_ADDRESSES:
|
|
/*
|
|
* Get the address information, an array is passed in to
|
|
* fill up we pack it.
|
|
*/
|
|
{
|
|
size_t cpsz, left;
|
|
struct sockaddr_storage *sas;
|
|
struct sctp_nets *net;
|
|
struct sctp_getaddresses *saddr;
|
|
|
|
SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
|
|
|
|
if (stcb) {
|
|
left = (*optsize) - sizeof(struct sctp_getaddresses);
|
|
*optsize = sizeof(struct sctp_getaddresses);
|
|
sas = (struct sockaddr_storage *)&saddr->addr[0];
|
|
|
|
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
|
|
if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) ||
|
|
(((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) {
|
|
cpsz = sizeof(struct sockaddr_in6);
|
|
} else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) {
|
|
cpsz = sizeof(struct sockaddr_in);
|
|
} else {
|
|
/* huh */
|
|
break;
|
|
}
|
|
if (left < cpsz) {
|
|
/* not enough room. */
|
|
break;
|
|
}
|
|
if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) &&
|
|
(((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) {
|
|
/* Must map the address */
|
|
in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr,
|
|
(struct sockaddr_in6 *)sas);
|
|
} else {
|
|
memcpy(sas, &net->ro._l_addr, cpsz);
|
|
}
|
|
((struct sockaddr_in *)sas)->sin_port = stcb->rport;
|
|
|
|
sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz);
|
|
left -= cpsz;
|
|
*optsize += cpsz;
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
error = ENOENT;
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_GET_LOCAL_ADDRESSES:
|
|
{
|
|
size_t limit, actual;
|
|
struct sockaddr_storage *sas;
|
|
struct sctp_getaddresses *saddr;
|
|
|
|
SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
|
|
|
|
sas = (struct sockaddr_storage *)&saddr->addr[0];
|
|
limit = *optsize - sizeof(sctp_assoc_t);
|
|
actual = sctp_fill_up_addresses(inp, stcb, limit, sas);
|
|
if (stcb) {
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
*optsize = sizeof(struct sockaddr_storage) + actual;
|
|
}
|
|
break;
|
|
case SCTP_PEER_ADDR_PARAMS:
|
|
{
|
|
struct sctp_paddrparams *paddrp;
|
|
struct sctp_nets *net;
|
|
|
|
SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
|
|
|
|
net = NULL;
|
|
if (stcb) {
|
|
net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
|
|
} else {
|
|
/*
|
|
* We increment here since
|
|
* sctp_findassociation_ep_addr() wil do a
|
|
* decrement if it finds the stcb as long as
|
|
* the locked tcb (last argument) is NOT a
|
|
* TCB.. aka NULL.
|
|
*/
|
|
SCTP_INP_INCR_REF(inp);
|
|
stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_DECR_REF(inp);
|
|
}
|
|
}
|
|
|
|
if (stcb) {
|
|
/* Applys to the specific association */
|
|
paddrp->spp_flags = 0;
|
|
if (net) {
|
|
int ovh;
|
|
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
|
|
ovh = SCTP_MED_OVERHEAD;
|
|
} else {
|
|
ovh = SCTP_MED_V4_OVERHEAD;
|
|
}
|
|
|
|
|
|
paddrp->spp_pathmaxrxt = net->failure_threshold;
|
|
paddrp->spp_pathmtu = net->mtu - ovh;
|
|
/* get flags for HB */
|
|
if (net->dest_state & SCTP_ADDR_NOHB)
|
|
paddrp->spp_flags |= SPP_HB_DISABLE;
|
|
else
|
|
paddrp->spp_flags |= SPP_HB_ENABLE;
|
|
/* get flags for PMTU */
|
|
if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
|
|
paddrp->spp_flags |= SPP_PMTUD_ENABLE;
|
|
} else {
|
|
paddrp->spp_flags |= SPP_PMTUD_DISABLE;
|
|
}
|
|
#ifdef INET
|
|
if (net->ro._l_addr.sin.sin_family == AF_INET) {
|
|
paddrp->spp_ipv4_tos = net->tos_flowlabel & 0x000000fc;
|
|
paddrp->spp_flags |= SPP_IPV4_TOS;
|
|
}
|
|
#endif
|
|
#ifdef INET6
|
|
if (net->ro._l_addr.sin6.sin6_family == AF_INET6) {
|
|
paddrp->spp_ipv6_flowlabel = net->tos_flowlabel;
|
|
paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
|
|
}
|
|
#endif
|
|
} else {
|
|
/*
|
|
* No destination so return default
|
|
* value
|
|
*/
|
|
int cnt = 0;
|
|
|
|
paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
|
|
paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc);
|
|
#ifdef INET
|
|
paddrp->spp_ipv4_tos = stcb->asoc.default_tos & 0x000000fc;
|
|
paddrp->spp_flags |= SPP_IPV4_TOS;
|
|
#endif
|
|
#ifdef INET6
|
|
paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel;
|
|
paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
|
|
#endif
|
|
/* default settings should be these */
|
|
if (stcb->asoc.hb_is_disabled == 0) {
|
|
paddrp->spp_flags |= SPP_HB_ENABLE;
|
|
} else {
|
|
paddrp->spp_flags |= SPP_HB_DISABLE;
|
|
}
|
|
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
|
|
if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
|
|
cnt++;
|
|
}
|
|
}
|
|
if (cnt) {
|
|
paddrp->spp_flags |= SPP_PMTUD_ENABLE;
|
|
}
|
|
}
|
|
paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay;
|
|
paddrp->spp_assoc_id = sctp_get_associd(stcb);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/* Use endpoint defaults */
|
|
SCTP_INP_RLOCK(inp);
|
|
paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure;
|
|
paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]);
|
|
paddrp->spp_assoc_id = (sctp_assoc_t) 0;
|
|
/* get inp's default */
|
|
#ifdef INET
|
|
paddrp->spp_ipv4_tos = inp->ip_inp.inp.inp_ip_tos;
|
|
paddrp->spp_flags |= SPP_IPV4_TOS;
|
|
#endif
|
|
#ifdef INET6
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
|
|
paddrp->spp_ipv6_flowlabel = ((struct in6pcb *)inp)->in6p_flowinfo;
|
|
paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
|
|
}
|
|
#endif
|
|
/* can't return this */
|
|
paddrp->spp_pathmtu = 0;
|
|
|
|
/* default behavior, no stcb */
|
|
paddrp->spp_flags = SPP_PMTUD_ENABLE;
|
|
|
|
if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
|
|
paddrp->spp_flags |= SPP_HB_ENABLE;
|
|
} else {
|
|
paddrp->spp_flags |= SPP_HB_DISABLE;
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
*optsize = sizeof(struct sctp_paddrparams);
|
|
}
|
|
break;
|
|
case SCTP_GET_PEER_ADDR_INFO:
|
|
{
|
|
struct sctp_paddrinfo *paddri;
|
|
struct sctp_nets *net;
|
|
|
|
SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id);
|
|
|
|
net = NULL;
|
|
if (stcb) {
|
|
net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address);
|
|
} else {
|
|
/*
|
|
* We increment here since
|
|
* sctp_findassociation_ep_addr() wil do a
|
|
* decrement if it finds the stcb as long as
|
|
* the locked tcb (last argument) is NOT a
|
|
* TCB.. aka NULL.
|
|
*/
|
|
SCTP_INP_INCR_REF(inp);
|
|
stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_DECR_REF(inp);
|
|
}
|
|
}
|
|
|
|
if ((stcb) && (net)) {
|
|
paddri->spinfo_state = net->dest_state & (SCTP_REACHABLE_MASK | SCTP_ADDR_NOHB);
|
|
paddri->spinfo_cwnd = net->cwnd;
|
|
paddri->spinfo_srtt = ((net->lastsa >> 2) + net->lastsv) >> 1;
|
|
paddri->spinfo_rto = net->RTO;
|
|
paddri->spinfo_assoc_id = sctp_get_associd(stcb);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
if (stcb) {
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
error = ENOENT;
|
|
}
|
|
*optsize = sizeof(struct sctp_paddrinfo);
|
|
}
|
|
break;
|
|
case SCTP_PCB_STATUS:
|
|
{
|
|
struct sctp_pcbinfo *spcb;
|
|
|
|
SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize);
|
|
sctp_fill_pcbinfo(spcb);
|
|
*optsize = sizeof(struct sctp_pcbinfo);
|
|
}
|
|
break;
|
|
|
|
case SCTP_STATUS:
|
|
{
|
|
struct sctp_nets *net;
|
|
struct sctp_status *sstat;
|
|
|
|
SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id);
|
|
|
|
if (stcb == NULL) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
/*
|
|
* I think passing the state is fine since
|
|
* sctp_constants.h will be available to the user
|
|
* land.
|
|
*/
|
|
sstat->sstat_state = stcb->asoc.state;
|
|
sstat->sstat_rwnd = stcb->asoc.peers_rwnd;
|
|
sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt;
|
|
/*
|
|
* We can't include chunks that have been passed to
|
|
* the socket layer. Only things in queue.
|
|
*/
|
|
sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue +
|
|
stcb->asoc.cnt_on_all_streams);
|
|
|
|
|
|
sstat->sstat_instrms = stcb->asoc.streamincnt;
|
|
sstat->sstat_outstrms = stcb->asoc.streamoutcnt;
|
|
sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc);
|
|
memcpy(&sstat->sstat_primary.spinfo_address,
|
|
&stcb->asoc.primary_destination->ro._l_addr,
|
|
((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len);
|
|
net = stcb->asoc.primary_destination;
|
|
((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport;
|
|
/*
|
|
* Again the user can get info from sctp_constants.h
|
|
* for what the state of the network is.
|
|
*/
|
|
sstat->sstat_primary.spinfo_state = net->dest_state & SCTP_REACHABLE_MASK;
|
|
sstat->sstat_primary.spinfo_cwnd = net->cwnd;
|
|
sstat->sstat_primary.spinfo_srtt = net->lastsa;
|
|
sstat->sstat_primary.spinfo_rto = net->RTO;
|
|
sstat->sstat_primary.spinfo_mtu = net->mtu;
|
|
sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
*optsize = sizeof(*sstat);
|
|
}
|
|
break;
|
|
case SCTP_RTOINFO:
|
|
{
|
|
struct sctp_rtoinfo *srto;
|
|
|
|
SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
|
|
|
|
if (stcb) {
|
|
srto->srto_initial = stcb->asoc.initial_rto;
|
|
srto->srto_max = stcb->asoc.maxrto;
|
|
srto->srto_min = stcb->asoc.minrto;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_RLOCK(inp);
|
|
srto->srto_initial = inp->sctp_ep.initial_rto;
|
|
srto->srto_max = inp->sctp_ep.sctp_maxrto;
|
|
srto->srto_min = inp->sctp_ep.sctp_minrto;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
*optsize = sizeof(*srto);
|
|
}
|
|
break;
|
|
case SCTP_ASSOCINFO:
|
|
{
|
|
struct sctp_assocparams *sasoc;
|
|
|
|
SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
|
|
|
|
if (stcb) {
|
|
sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times;
|
|
sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
|
|
sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd;
|
|
sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd;
|
|
sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_RLOCK(inp);
|
|
sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times;
|
|
sasoc->sasoc_number_peer_destinations = 0;
|
|
sasoc->sasoc_peer_rwnd = 0;
|
|
sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv);
|
|
sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
*optsize = sizeof(*sasoc);
|
|
}
|
|
break;
|
|
case SCTP_DEFAULT_SEND_PARAM:
|
|
{
|
|
struct sctp_sndrcvinfo *s_info;
|
|
|
|
SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
|
|
|
|
if (stcb) {
|
|
memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send));
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_RLOCK(inp);
|
|
memcpy(s_info, &inp->def_send, sizeof(inp->def_send));
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
*optsize = sizeof(*s_info);
|
|
}
|
|
break;
|
|
case SCTP_INITMSG:
|
|
{
|
|
struct sctp_initmsg *sinit;
|
|
|
|
SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize);
|
|
SCTP_INP_RLOCK(inp);
|
|
sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count;
|
|
sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome;
|
|
sinit->sinit_max_attempts = inp->sctp_ep.max_init_times;
|
|
sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
*optsize = sizeof(*sinit);
|
|
}
|
|
break;
|
|
case SCTP_PRIMARY_ADDR:
|
|
/* we allow a "get" operation on this */
|
|
{
|
|
struct sctp_setprim *ssp;
|
|
|
|
SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id);
|
|
|
|
if (stcb) {
|
|
/* simply copy out the sockaddr_storage... */
|
|
int len;
|
|
|
|
len = *optsize;
|
|
if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len)
|
|
len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len;
|
|
|
|
memcpy(&ssp->ssp_addr,
|
|
&stcb->asoc.primary_destination->ro._l_addr,
|
|
len);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
*optsize = sizeof(*ssp);
|
|
}
|
|
break;
|
|
|
|
case SCTP_HMAC_IDENT:
|
|
{
|
|
struct sctp_hmacalgo *shmac;
|
|
sctp_hmaclist_t *hmaclist;
|
|
uint32_t size;
|
|
int i;
|
|
|
|
SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize);
|
|
|
|
SCTP_INP_RLOCK(inp);
|
|
hmaclist = inp->sctp_ep.local_hmacs;
|
|
if (hmaclist == NULL) {
|
|
/* no HMACs to return */
|
|
*optsize = sizeof(*shmac);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
break;
|
|
}
|
|
/* is there room for all of the hmac ids? */
|
|
size = sizeof(*shmac) + (hmaclist->num_algo *
|
|
sizeof(shmac->shmac_idents[0]));
|
|
if ((size_t)(*optsize) < size) {
|
|
error = EINVAL;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
break;
|
|
}
|
|
/* copy in the list */
|
|
for (i = 0; i < hmaclist->num_algo; i++)
|
|
shmac->shmac_idents[i] = hmaclist->hmac[i];
|
|
SCTP_INP_RUNLOCK(inp);
|
|
*optsize = size;
|
|
break;
|
|
}
|
|
case SCTP_AUTH_ACTIVE_KEY:
|
|
{
|
|
struct sctp_authkeyid *scact;
|
|
|
|
SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
|
|
|
|
if (stcb) {
|
|
/* get the active key on the assoc */
|
|
scact->scact_keynumber = stcb->asoc.authinfo.assoc_keyid;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/* get the endpoint active key */
|
|
SCTP_INP_RLOCK(inp);
|
|
scact->scact_keynumber = inp->sctp_ep.default_keyid;
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
*optsize = sizeof(*scact);
|
|
break;
|
|
}
|
|
case SCTP_LOCAL_AUTH_CHUNKS:
|
|
{
|
|
struct sctp_authchunks *sac;
|
|
sctp_auth_chklist_t *chklist = NULL;
|
|
size_t size = 0;
|
|
|
|
SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
|
|
|
|
if (stcb) {
|
|
/* get off the assoc */
|
|
chklist = stcb->asoc.local_auth_chunks;
|
|
/* is there enough space? */
|
|
size = sctp_auth_get_chklist_size(chklist);
|
|
if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
|
|
error = EINVAL;
|
|
} else {
|
|
/* copy in the chunks */
|
|
(void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/* get off the endpoint */
|
|
SCTP_INP_RLOCK(inp);
|
|
chklist = inp->sctp_ep.local_auth_chunks;
|
|
/* is there enough space? */
|
|
size = sctp_auth_get_chklist_size(chklist);
|
|
if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
|
|
error = EINVAL;
|
|
} else {
|
|
/* copy in the chunks */
|
|
(void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
*optsize = sizeof(struct sctp_authchunks) + size;
|
|
break;
|
|
}
|
|
case SCTP_PEER_AUTH_CHUNKS:
|
|
{
|
|
struct sctp_authchunks *sac;
|
|
sctp_auth_chklist_t *chklist = NULL;
|
|
size_t size = 0;
|
|
|
|
SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
|
|
SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
|
|
|
|
if (stcb) {
|
|
/* get off the assoc */
|
|
chklist = stcb->asoc.peer_auth_chunks;
|
|
/* is there enough space? */
|
|
size = sctp_auth_get_chklist_size(chklist);
|
|
if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
|
|
error = EINVAL;
|
|
} else {
|
|
/* copy in the chunks */
|
|
(void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
error = ENOENT;
|
|
}
|
|
*optsize = sizeof(struct sctp_authchunks) + size;
|
|
break;
|
|
}
|
|
|
|
|
|
default:
|
|
error = ENOPROTOOPT;
|
|
*optsize = 0;
|
|
break;
|
|
} /* end switch (sopt->sopt_name) */
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
|
|
void *p)
|
|
{
|
|
int error, set_opt;
|
|
uint32_t *mopt;
|
|
struct sctp_tcb *stcb = NULL;
|
|
struct sctp_inpcb *inp;
|
|
uint32_t vrf_id;
|
|
|
|
if (optval == NULL) {
|
|
SCTP_PRINTF("optval is NULL\n");
|
|
return (EINVAL);
|
|
}
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0) {
|
|
SCTP_PRINTF("inp is NULL?\n");
|
|
return EINVAL;
|
|
}
|
|
vrf_id = inp->def_vrf_id;
|
|
|
|
error = 0;
|
|
switch (optname) {
|
|
case SCTP_NODELAY:
|
|
case SCTP_AUTOCLOSE:
|
|
case SCTP_AUTO_ASCONF:
|
|
case SCTP_EXPLICIT_EOR:
|
|
case SCTP_DISABLE_FRAGMENTS:
|
|
case SCTP_USE_EXT_RCVINFO:
|
|
case SCTP_I_WANT_MAPPED_V4_ADDR:
|
|
/* copy in the option value */
|
|
SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
|
|
set_opt = 0;
|
|
if (error)
|
|
break;
|
|
switch (optname) {
|
|
case SCTP_DISABLE_FRAGMENTS:
|
|
set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT;
|
|
break;
|
|
case SCTP_AUTO_ASCONF:
|
|
set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF;
|
|
break;
|
|
case SCTP_EXPLICIT_EOR:
|
|
set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR;
|
|
break;
|
|
case SCTP_USE_EXT_RCVINFO:
|
|
set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO;
|
|
break;
|
|
case SCTP_I_WANT_MAPPED_V4_ADDR:
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
|
|
set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4;
|
|
} else {
|
|
return (EINVAL);
|
|
}
|
|
break;
|
|
case SCTP_NODELAY:
|
|
set_opt = SCTP_PCB_FLAGS_NODELAY;
|
|
break;
|
|
case SCTP_AUTOCLOSE:
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
|
|
return (EINVAL);
|
|
}
|
|
set_opt = SCTP_PCB_FLAGS_AUTOCLOSE;
|
|
/*
|
|
* The value is in ticks. Note this does not effect
|
|
* old associations, only new ones.
|
|
*/
|
|
inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt);
|
|
break;
|
|
}
|
|
SCTP_INP_WLOCK(inp);
|
|
if (*mopt != 0) {
|
|
sctp_feature_on(inp, set_opt);
|
|
} else {
|
|
sctp_feature_off(inp, set_opt);
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
break;
|
|
case SCTP_PARTIAL_DELIVERY_POINT:
|
|
{
|
|
uint32_t *value;
|
|
|
|
SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
|
|
if (*value > SCTP_SB_LIMIT_RCV(so)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
inp->partial_delivery_point = *value;
|
|
}
|
|
break;
|
|
case SCTP_FRAGMENT_INTERLEAVE:
|
|
/* not yet until we re-write sctp_recvmsg() */
|
|
{
|
|
uint32_t *level;
|
|
|
|
SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize);
|
|
if (*level == SCTP_FRAG_LEVEL_2) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
|
|
} else if (*level == SCTP_FRAG_LEVEL_1) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
|
|
} else if (*level == SCTP_FRAG_LEVEL_0) {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
|
|
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_CMT_ON_OFF:
|
|
{
|
|
struct sctp_assoc_value *av;
|
|
|
|
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
|
|
if (sctp_cmt_on_off) {
|
|
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
|
|
if (stcb) {
|
|
stcb->asoc.sctp_cmt_on_off = (uint8_t) av->assoc_value;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
error = ENOTCONN;
|
|
}
|
|
} else {
|
|
error = ENOPROTOOPT;
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_CLR_STAT_LOG:
|
|
error = EOPNOTSUPP;
|
|
break;
|
|
case SCTP_CONTEXT:
|
|
{
|
|
struct sctp_assoc_value *av;
|
|
|
|
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
|
|
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
|
|
|
|
if (stcb) {
|
|
stcb->asoc.context = av->assoc_value;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_WLOCK(inp);
|
|
inp->sctp_context = av->assoc_value;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_VRF_ID:
|
|
{
|
|
uint32_t *default_vrfid;
|
|
|
|
SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize);
|
|
if (*default_vrfid > SCTP_MAX_VRF_ID) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
inp->def_vrf_id = *default_vrfid;
|
|
break;
|
|
}
|
|
case SCTP_DEL_VRF_ID:
|
|
{
|
|
error = EOPNOTSUPP;
|
|
break;
|
|
}
|
|
case SCTP_ADD_VRF_ID:
|
|
{
|
|
error = EOPNOTSUPP;
|
|
break;
|
|
}
|
|
case SCTP_DELAYED_SACK:
|
|
{
|
|
struct sctp_sack_info *sack;
|
|
|
|
SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize);
|
|
SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
|
|
if (stcb) {
|
|
if (sack->sack_delay) {
|
|
if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
|
|
sack->sack_delay = TICKS_TO_MSEC(1);
|
|
}
|
|
stcb->asoc.delayed_ack = sack->sack_delay;
|
|
}
|
|
if (sack->sack_freq) {
|
|
stcb->asoc.sack_freq = sack->sack_freq;
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_WLOCK(inp);
|
|
if (sack->sack_delay) {
|
|
if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
|
|
sack->sack_delay = TICKS_TO_MSEC(1);
|
|
}
|
|
inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay);
|
|
}
|
|
if (sack->sack_freq) {
|
|
inp->sctp_ep.sctp_sack_freq = sack->sack_freq;
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
}
|
|
case SCTP_AUTH_CHUNK:
|
|
{
|
|
struct sctp_authchunk *sauth;
|
|
|
|
SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize);
|
|
|
|
SCTP_INP_WLOCK(inp);
|
|
if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks))
|
|
error = EINVAL;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
break;
|
|
}
|
|
case SCTP_AUTH_KEY:
|
|
{
|
|
struct sctp_authkey *sca;
|
|
struct sctp_keyhead *shared_keys;
|
|
sctp_sharedkey_t *shared_key;
|
|
sctp_key_t *key = NULL;
|
|
size_t size;
|
|
|
|
SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize);
|
|
SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id);
|
|
size = optsize - sizeof(*sca);
|
|
|
|
if (stcb) {
|
|
/* set it on the assoc */
|
|
shared_keys = &stcb->asoc.shared_keys;
|
|
/* clear the cached keys for this key id */
|
|
sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
|
|
/*
|
|
* create the new shared key and
|
|
* insert/replace it
|
|
*/
|
|
if (size > 0) {
|
|
key = sctp_set_key(sca->sca_key, (uint32_t) size);
|
|
if (key == NULL) {
|
|
error = ENOMEM;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
}
|
|
shared_key = sctp_alloc_sharedkey();
|
|
if (shared_key == NULL) {
|
|
sctp_free_key(key);
|
|
error = ENOMEM;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
shared_key->key = key;
|
|
shared_key->keyid = sca->sca_keynumber;
|
|
sctp_insert_sharedkey(shared_keys, shared_key);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/* set it on the endpoint */
|
|
SCTP_INP_WLOCK(inp);
|
|
shared_keys = &inp->sctp_ep.shared_keys;
|
|
/*
|
|
* clear the cached keys on all assocs for
|
|
* this key id
|
|
*/
|
|
sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber);
|
|
/*
|
|
* create the new shared key and
|
|
* insert/replace it
|
|
*/
|
|
if (size > 0) {
|
|
key = sctp_set_key(sca->sca_key, (uint32_t) size);
|
|
if (key == NULL) {
|
|
error = ENOMEM;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
break;
|
|
}
|
|
}
|
|
shared_key = sctp_alloc_sharedkey();
|
|
if (shared_key == NULL) {
|
|
sctp_free_key(key);
|
|
error = ENOMEM;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
break;
|
|
}
|
|
shared_key->key = key;
|
|
shared_key->keyid = sca->sca_keynumber;
|
|
sctp_insert_sharedkey(shared_keys, shared_key);
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
}
|
|
case SCTP_HMAC_IDENT:
|
|
{
|
|
struct sctp_hmacalgo *shmac;
|
|
sctp_hmaclist_t *hmaclist;
|
|
uint32_t hmacid;
|
|
size_t size, i, found;
|
|
|
|
SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize);
|
|
size = (optsize - sizeof(*shmac)) / sizeof(shmac->shmac_idents[0]);
|
|
hmaclist = sctp_alloc_hmaclist(size);
|
|
if (hmaclist == NULL) {
|
|
error = ENOMEM;
|
|
break;
|
|
}
|
|
for (i = 0; i < size; i++) {
|
|
hmacid = shmac->shmac_idents[i];
|
|
if (sctp_auth_add_hmacid(hmaclist, (uint16_t) hmacid)) {
|
|
/* invalid HMACs were found */ ;
|
|
error = EINVAL;
|
|
sctp_free_hmaclist(hmaclist);
|
|
goto sctp_set_hmac_done;
|
|
}
|
|
}
|
|
found = 0;
|
|
for (i = 0; i < hmaclist->num_algo; i++) {
|
|
if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) {
|
|
/* already in list */
|
|
found = 1;
|
|
}
|
|
}
|
|
if (!found) {
|
|
sctp_free_hmaclist(hmaclist);
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
/* set it on the endpoint */
|
|
SCTP_INP_WLOCK(inp);
|
|
if (inp->sctp_ep.local_hmacs)
|
|
sctp_free_hmaclist(inp->sctp_ep.local_hmacs);
|
|
inp->sctp_ep.local_hmacs = hmaclist;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
sctp_set_hmac_done:
|
|
break;
|
|
}
|
|
case SCTP_AUTH_ACTIVE_KEY:
|
|
{
|
|
struct sctp_authkeyid *scact;
|
|
|
|
SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize);
|
|
SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
|
|
|
|
/* set the active key on the right place */
|
|
if (stcb) {
|
|
/* set the active key on the assoc */
|
|
if (sctp_auth_setactivekey(stcb, scact->scact_keynumber))
|
|
error = EINVAL;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/* set the active key on the endpoint */
|
|
SCTP_INP_WLOCK(inp);
|
|
if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber))
|
|
error = EINVAL;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
}
|
|
case SCTP_AUTH_DELETE_KEY:
|
|
{
|
|
struct sctp_authkeyid *scdel;
|
|
|
|
SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize);
|
|
SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id);
|
|
|
|
/* delete the key from the right place */
|
|
if (stcb) {
|
|
if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber))
|
|
error = EINVAL;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_WLOCK(inp);
|
|
if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber))
|
|
error = EINVAL;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case SCTP_RESET_STREAMS:
|
|
{
|
|
struct sctp_stream_reset *strrst;
|
|
uint8_t send_in = 0, send_tsn = 0, send_out = 0;
|
|
int i;
|
|
|
|
SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_stream_reset, optsize);
|
|
SCTP_FIND_STCB(inp, stcb, strrst->strrst_assoc_id);
|
|
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
if (stcb->asoc.peer_supports_strreset == 0) {
|
|
/*
|
|
* Peer does not support it, we return
|
|
* protocol not supported since this is true
|
|
* for this feature and this peer, not the
|
|
* socket request in general.
|
|
*/
|
|
error = EPROTONOSUPPORT;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
if (stcb->asoc.stream_reset_outstanding) {
|
|
error = EALREADY;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
if (strrst->strrst_flags == SCTP_RESET_LOCAL_RECV) {
|
|
send_in = 1;
|
|
} else if (strrst->strrst_flags == SCTP_RESET_LOCAL_SEND) {
|
|
send_out = 1;
|
|
} else if (strrst->strrst_flags == SCTP_RESET_BOTH) {
|
|
send_in = 1;
|
|
send_out = 1;
|
|
} else if (strrst->strrst_flags == SCTP_RESET_TSN) {
|
|
send_tsn = 1;
|
|
} else {
|
|
error = EINVAL;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
for (i = 0; i < strrst->strrst_num_streams; i++) {
|
|
if ((send_in) &&
|
|
|
|
(strrst->strrst_list[i] > stcb->asoc.streamincnt)) {
|
|
error = EINVAL;
|
|
goto get_out;
|
|
}
|
|
if ((send_out) &&
|
|
(strrst->strrst_list[i] > stcb->asoc.streamoutcnt)) {
|
|
error = EINVAL;
|
|
goto get_out;
|
|
}
|
|
}
|
|
if (error) {
|
|
get_out:
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
break;
|
|
}
|
|
error = sctp_send_str_reset_req(stcb, strrst->strrst_num_streams,
|
|
strrst->strrst_list,
|
|
send_out, (stcb->asoc.str_reset_seq_in - 3),
|
|
send_in, send_tsn);
|
|
|
|
sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
break;
|
|
|
|
case SCTP_CONNECT_X:
|
|
if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
error = sctp_do_connect_x(so, inp, optval, optsize, p, 0);
|
|
break;
|
|
|
|
case SCTP_CONNECT_X_DELAYED:
|
|
if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
error = sctp_do_connect_x(so, inp, optval, optsize, p, 1);
|
|
break;
|
|
|
|
case SCTP_CONNECT_X_COMPLETE:
|
|
{
|
|
struct sockaddr *sa;
|
|
struct sctp_nets *net;
|
|
|
|
/* FIXME MT: check correct? */
|
|
SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
|
|
|
|
/* find tcb */
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb) {
|
|
SCTP_TCB_LOCK(stcb);
|
|
net = sctp_findnet(stcb, sa);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else {
|
|
/*
|
|
* We increment here since
|
|
* sctp_findassociation_ep_addr() wil do a
|
|
* decrement if it finds the stcb as long as
|
|
* the locked tcb (last argument) is NOT a
|
|
* TCB.. aka NULL.
|
|
*/
|
|
SCTP_INP_INCR_REF(inp);
|
|
stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_DECR_REF(inp);
|
|
}
|
|
}
|
|
|
|
if (stcb == NULL) {
|
|
error = ENOENT;
|
|
break;
|
|
}
|
|
if (stcb->asoc.delayed_connection == 1) {
|
|
stcb->asoc.delayed_connection = 0;
|
|
(void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
|
|
sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb,
|
|
stcb->asoc.primary_destination,
|
|
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9);
|
|
sctp_send_initiate(inp, stcb);
|
|
} else {
|
|
/*
|
|
* already expired or did not use delayed
|
|
* connectx
|
|
*/
|
|
error = EALREADY;
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
break;
|
|
case SCTP_MAX_BURST:
|
|
{
|
|
uint8_t *burst;
|
|
|
|
SCTP_CHECK_AND_CAST(burst, optval, uint8_t, optsize);
|
|
|
|
SCTP_INP_WLOCK(inp);
|
|
if (*burst) {
|
|
inp->sctp_ep.max_burst = *burst;
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
case SCTP_MAXSEG:
|
|
{
|
|
struct sctp_assoc_value *av;
|
|
int ovh;
|
|
|
|
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
|
|
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
|
|
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
|
|
ovh = SCTP_MED_OVERHEAD;
|
|
} else {
|
|
ovh = SCTP_MED_V4_OVERHEAD;
|
|
}
|
|
if (stcb) {
|
|
if (av->assoc_value) {
|
|
stcb->asoc.sctp_frag_point = (av->assoc_value + ovh);
|
|
} else {
|
|
stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_WLOCK(inp);
|
|
/*
|
|
* FIXME MT: I think this is not in tune
|
|
* with the API ID
|
|
*/
|
|
if (av->assoc_value) {
|
|
inp->sctp_frag_point = (av->assoc_value + ovh);
|
|
} else {
|
|
inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_EVENTS:
|
|
{
|
|
struct sctp_event_subscribe *events;
|
|
|
|
SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize);
|
|
|
|
SCTP_INP_WLOCK(inp);
|
|
if (events->sctp_data_io_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
|
|
}
|
|
|
|
if (events->sctp_association_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
|
|
}
|
|
|
|
if (events->sctp_address_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
|
|
}
|
|
|
|
if (events->sctp_send_failure_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
|
|
}
|
|
|
|
if (events->sctp_peer_error_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR);
|
|
}
|
|
|
|
if (events->sctp_shutdown_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
|
|
}
|
|
|
|
if (events->sctp_partial_delivery_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
|
|
}
|
|
|
|
if (events->sctp_adaptation_layer_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
|
|
}
|
|
|
|
if (events->sctp_authentication_event) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT);
|
|
}
|
|
|
|
if (events->sctp_stream_reset_events) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
|
|
} else {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
|
|
case SCTP_ADAPTATION_LAYER:
|
|
{
|
|
struct sctp_setadaptation *adap_bits;
|
|
|
|
SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize);
|
|
SCTP_INP_WLOCK(inp);
|
|
inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
#ifdef SCTP_DEBUG
|
|
case SCTP_SET_INITIAL_DBG_SEQ:
|
|
{
|
|
uint32_t *vvv;
|
|
|
|
SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize);
|
|
SCTP_INP_WLOCK(inp);
|
|
inp->sctp_ep.initial_sequence_debug = *vvv;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
#endif
|
|
case SCTP_DEFAULT_SEND_PARAM:
|
|
{
|
|
struct sctp_sndrcvinfo *s_info;
|
|
|
|
SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize);
|
|
SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
|
|
|
|
if (stcb) {
|
|
if (s_info->sinfo_stream <= stcb->asoc.streamoutcnt) {
|
|
memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_WLOCK(inp);
|
|
memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send)));
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_PEER_ADDR_PARAMS:
|
|
/* Applys to the specific association */
|
|
{
|
|
struct sctp_paddrparams *paddrp;
|
|
struct sctp_nets *net;
|
|
|
|
SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize);
|
|
SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
|
|
net = NULL;
|
|
if (stcb) {
|
|
net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
|
|
} else {
|
|
/*
|
|
* We increment here since
|
|
* sctp_findassociation_ep_addr() wil do a
|
|
* decrement if it finds the stcb as long as
|
|
* the locked tcb (last argument) is NOT a
|
|
* TCB.. aka NULL.
|
|
*/
|
|
SCTP_INP_INCR_REF(inp);
|
|
stcb = sctp_findassociation_ep_addr(&inp,
|
|
(struct sockaddr *)&paddrp->spp_address,
|
|
&net, NULL, NULL);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_DECR_REF(inp);
|
|
}
|
|
}
|
|
/* sanity checks */
|
|
if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) {
|
|
if (stcb)
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
return (EINVAL);
|
|
}
|
|
if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) {
|
|
if (stcb)
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
return (EINVAL);
|
|
}
|
|
if (stcb) {
|
|
/************************TCB SPECIFIC SET ******************/
|
|
/*
|
|
* do we change the timer for HB, we run
|
|
* only one?
|
|
*/
|
|
int ovh = 0;
|
|
|
|
if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
|
|
ovh = SCTP_MED_OVERHEAD;
|
|
} else {
|
|
ovh = SCTP_MED_V4_OVERHEAD;
|
|
}
|
|
|
|
if (paddrp->spp_hbinterval)
|
|
stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval;
|
|
else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
|
|
stcb->asoc.heart_beat_delay = 0;
|
|
|
|
/* network sets ? */
|
|
if (net) {
|
|
/************************NET SPECIFIC SET ******************/
|
|
if (paddrp->spp_flags & SPP_HB_DEMAND) {
|
|
/* on demand HB */
|
|
(void)sctp_send_hb(stcb, 1, net);
|
|
}
|
|
if (paddrp->spp_flags & SPP_HB_DISABLE) {
|
|
net->dest_state |= SCTP_ADDR_NOHB;
|
|
}
|
|
if (paddrp->spp_flags & SPP_HB_ENABLE) {
|
|
net->dest_state &= ~SCTP_ADDR_NOHB;
|
|
}
|
|
if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
|
|
if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
|
|
sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
|
|
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
|
|
}
|
|
if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) {
|
|
net->mtu = paddrp->spp_pathmtu + ovh;
|
|
if (net->mtu < stcb->asoc.smallest_mtu) {
|
|
#ifdef SCTP_PRINT_FOR_B_AND_M
|
|
SCTP_PRINTF("SCTP_PMTU_DISABLE calls sctp_pathmtu_adjustment:%d\n",
|
|
net->mtu);
|
|
#endif
|
|
sctp_pathmtu_adjustment(inp, stcb, net, net->mtu);
|
|
}
|
|
}
|
|
}
|
|
if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
|
|
if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
|
|
sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
|
|
}
|
|
}
|
|
if (paddrp->spp_pathmaxrxt)
|
|
net->failure_threshold = paddrp->spp_pathmaxrxt;
|
|
#ifdef INET
|
|
if (paddrp->spp_flags & SPP_IPV4_TOS) {
|
|
if (net->ro._l_addr.sin.sin_family == AF_INET) {
|
|
net->tos_flowlabel = paddrp->spp_ipv4_tos & 0x000000fc;
|
|
}
|
|
}
|
|
#endif
|
|
#ifdef INET6
|
|
if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
|
|
if (net->ro._l_addr.sin6.sin6_family == AF_INET6) {
|
|
net->tos_flowlabel = paddrp->spp_ipv6_flowlabel;
|
|
}
|
|
}
|
|
#endif
|
|
} else {
|
|
/************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/
|
|
if (paddrp->spp_pathmaxrxt)
|
|
stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt;
|
|
|
|
if (paddrp->spp_flags & SPP_HB_ENABLE) {
|
|
/* Turn back on the timer */
|
|
stcb->asoc.hb_is_disabled = 0;
|
|
sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
|
|
}
|
|
if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
|
|
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
|
|
if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
|
|
sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
|
|
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
|
|
}
|
|
if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) {
|
|
net->mtu = paddrp->spp_pathmtu + ovh;
|
|
if (net->mtu < stcb->asoc.smallest_mtu) {
|
|
#ifdef SCTP_PRINT_FOR_B_AND_M
|
|
SCTP_PRINTF("SCTP_PMTU_DISABLE calls sctp_pathmtu_adjustment:%d\n",
|
|
net->mtu);
|
|
#endif
|
|
sctp_pathmtu_adjustment(inp, stcb, net, net->mtu);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
|
|
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
|
|
if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
|
|
sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
|
|
}
|
|
}
|
|
}
|
|
if (paddrp->spp_flags & SPP_HB_DISABLE) {
|
|
int cnt_of_unconf = 0;
|
|
struct sctp_nets *lnet;
|
|
|
|
stcb->asoc.hb_is_disabled = 1;
|
|
TAILQ_FOREACH(lnet, &stcb->asoc.nets, sctp_next) {
|
|
if (lnet->dest_state & SCTP_ADDR_UNCONFIRMED) {
|
|
cnt_of_unconf++;
|
|
}
|
|
}
|
|
/*
|
|
* stop the timer ONLY if we
|
|
* have no unconfirmed
|
|
* addresses
|
|
*/
|
|
if (cnt_of_unconf == 0) {
|
|
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
|
|
sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
|
|
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11);
|
|
}
|
|
}
|
|
}
|
|
if (paddrp->spp_flags & SPP_HB_ENABLE) {
|
|
/* start up the timer. */
|
|
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
|
|
sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
|
|
}
|
|
}
|
|
#ifdef INET
|
|
if (paddrp->spp_flags & SPP_IPV4_TOS)
|
|
stcb->asoc.default_tos = paddrp->spp_ipv4_tos & 0x000000fc;
|
|
#endif
|
|
#ifdef INET6
|
|
if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL)
|
|
stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel;
|
|
#endif
|
|
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/************************NO TCB, SET TO default stuff ******************/
|
|
SCTP_INP_WLOCK(inp);
|
|
/*
|
|
* For the TOS/FLOWLABEL stuff you set it
|
|
* with the options on the socket
|
|
*/
|
|
if (paddrp->spp_pathmaxrxt) {
|
|
inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt;
|
|
}
|
|
if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
|
|
inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
|
|
else if (paddrp->spp_hbinterval)
|
|
inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
|
|
|
|
if (paddrp->spp_flags & SPP_HB_ENABLE) {
|
|
sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
|
|
|
|
} else if (paddrp->spp_flags & SPP_HB_DISABLE) {
|
|
sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_RTOINFO:
|
|
{
|
|
struct sctp_rtoinfo *srto;
|
|
uint32_t new_init, new_min, new_max;
|
|
|
|
SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize);
|
|
SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
|
|
|
|
if (stcb) {
|
|
if (srto->srto_initial)
|
|
new_init = srto->srto_initial;
|
|
else
|
|
new_init = stcb->asoc.initial_rto;
|
|
if (srto->srto_max)
|
|
new_max = srto->srto_max;
|
|
else
|
|
new_max = stcb->asoc.maxrto;
|
|
if (srto->srto_min)
|
|
new_min = srto->srto_min;
|
|
else
|
|
new_min = stcb->asoc.minrto;
|
|
if ((new_min <= new_init) && (new_init <= new_max)) {
|
|
stcb->asoc.initial_rto = new_init;
|
|
stcb->asoc.maxrto = new_max;
|
|
stcb->asoc.minrto = new_min;
|
|
} else {
|
|
error = EDOM;
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_WLOCK(inp);
|
|
if (srto->srto_initial)
|
|
new_init = srto->srto_initial;
|
|
else
|
|
new_init = inp->sctp_ep.initial_rto;
|
|
if (srto->srto_max)
|
|
new_max = srto->srto_max;
|
|
else
|
|
new_max = inp->sctp_ep.sctp_maxrto;
|
|
if (srto->srto_min)
|
|
new_min = srto->srto_min;
|
|
else
|
|
new_min = inp->sctp_ep.sctp_minrto;
|
|
if ((new_min <= new_init) && (new_init <= new_max)) {
|
|
inp->sctp_ep.initial_rto = new_init;
|
|
inp->sctp_ep.sctp_maxrto = new_max;
|
|
inp->sctp_ep.sctp_minrto = new_min;
|
|
} else {
|
|
error = EDOM;
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_ASSOCINFO:
|
|
{
|
|
struct sctp_assocparams *sasoc;
|
|
|
|
SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize);
|
|
SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
|
|
|
|
if (stcb) {
|
|
if (sasoc->sasoc_asocmaxrxt)
|
|
stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
|
|
sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
|
|
sasoc->sasoc_peer_rwnd = 0;
|
|
sasoc->sasoc_local_rwnd = 0;
|
|
if (sasoc->sasoc_cookie_life) {
|
|
if (sasoc->sasoc_cookie_life < 1000)
|
|
sasoc->sasoc_cookie_life = 1000;
|
|
stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
SCTP_INP_WLOCK(inp);
|
|
if (sasoc->sasoc_asocmaxrxt)
|
|
inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
|
|
sasoc->sasoc_number_peer_destinations = 0;
|
|
sasoc->sasoc_peer_rwnd = 0;
|
|
sasoc->sasoc_local_rwnd = 0;
|
|
if (sasoc->sasoc_cookie_life) {
|
|
if (sasoc->sasoc_cookie_life < 1000)
|
|
sasoc->sasoc_cookie_life = 1000;
|
|
inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_INITMSG:
|
|
{
|
|
struct sctp_initmsg *sinit;
|
|
|
|
SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize);
|
|
SCTP_INP_WLOCK(inp);
|
|
if (sinit->sinit_num_ostreams)
|
|
inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams;
|
|
|
|
if (sinit->sinit_max_instreams)
|
|
inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams;
|
|
|
|
if (sinit->sinit_max_attempts)
|
|
inp->sctp_ep.max_init_times = sinit->sinit_max_attempts;
|
|
|
|
if (sinit->sinit_max_init_timeo)
|
|
inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
break;
|
|
case SCTP_PRIMARY_ADDR:
|
|
{
|
|
struct sctp_setprim *spa;
|
|
struct sctp_nets *net, *lnet;
|
|
|
|
SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize);
|
|
SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id);
|
|
|
|
net = NULL;
|
|
if (stcb) {
|
|
net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr);
|
|
} else {
|
|
/*
|
|
* We increment here since
|
|
* sctp_findassociation_ep_addr() wil do a
|
|
* decrement if it finds the stcb as long as
|
|
* the locked tcb (last argument) is NOT a
|
|
* TCB.. aka NULL.
|
|
*/
|
|
SCTP_INP_INCR_REF(inp);
|
|
stcb = sctp_findassociation_ep_addr(&inp,
|
|
(struct sockaddr *)&spa->ssp_addr,
|
|
&net, NULL, NULL);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_DECR_REF(inp);
|
|
}
|
|
}
|
|
|
|
if ((stcb) && (net)) {
|
|
if ((net != stcb->asoc.primary_destination) &&
|
|
(!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) {
|
|
/* Ok we need to set it */
|
|
lnet = stcb->asoc.primary_destination;
|
|
if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) {
|
|
if (net->dest_state & SCTP_ADDR_SWITCH_PRIMARY) {
|
|
net->dest_state |= SCTP_ADDR_DOUBLE_SWITCH;
|
|
}
|
|
net->dest_state |= SCTP_ADDR_SWITCH_PRIMARY;
|
|
}
|
|
}
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
if (stcb) {
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
}
|
|
}
|
|
break;
|
|
case SCTP_SET_DYNAMIC_PRIMARY:
|
|
{
|
|
union sctp_sockstore *ss;
|
|
|
|
error = priv_check(curthread,
|
|
PRIV_NETINET_RESERVEDPORT);
|
|
if (error)
|
|
break;
|
|
|
|
SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize);
|
|
/* SUPER USER CHECK? */
|
|
error = sctp_dynamic_set_primary(&ss->sa, vrf_id);
|
|
}
|
|
break;
|
|
case SCTP_SET_PEER_PRIMARY_ADDR:
|
|
{
|
|
struct sctp_setpeerprim *sspp;
|
|
|
|
SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize);
|
|
SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id);
|
|
if (stcb != NULL) {
|
|
struct sctp_ifa *ifa;
|
|
|
|
ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr,
|
|
stcb->asoc.vrf_id, 0);
|
|
if (ifa == NULL) {
|
|
error = EINVAL;
|
|
goto out_of_it;
|
|
}
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
|
|
/*
|
|
* Must validate the ifa found is in
|
|
* our ep
|
|
*/
|
|
struct sctp_laddr *laddr;
|
|
int found = 0;
|
|
|
|
LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
|
|
if (laddr->ifa == NULL) {
|
|
SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n",
|
|
__FUNCTION__);
|
|
continue;
|
|
}
|
|
if (laddr->ifa == ifa) {
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (!found) {
|
|
error = EINVAL;
|
|
goto out_of_it;
|
|
}
|
|
}
|
|
if (sctp_set_primary_ip_address_sa(stcb,
|
|
(struct sockaddr *)&sspp->sspp_addr) != 0) {
|
|
error = EINVAL;
|
|
}
|
|
out_of_it:
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
|
|
}
|
|
break;
|
|
case SCTP_BINDX_ADD_ADDR:
|
|
{
|
|
struct sctp_getaddresses *addrs;
|
|
|
|
SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses,
|
|
optsize);
|
|
sctp_bindx_add_address(so, inp, addrs->addr,
|
|
addrs->sget_assoc_id, vrf_id,
|
|
&error, p);
|
|
}
|
|
break;
|
|
case SCTP_BINDX_REM_ADDR:
|
|
{
|
|
struct sctp_getaddresses *addrs;
|
|
|
|
SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize);
|
|
sctp_bindx_delete_address(so, inp, addrs->addr,
|
|
addrs->sget_assoc_id, vrf_id,
|
|
&error);
|
|
}
|
|
break;
|
|
default:
|
|
error = ENOPROTOOPT;
|
|
break;
|
|
} /* end switch (opt) */
|
|
return (error);
|
|
}
|
|
|
|
|
|
int
|
|
sctp_ctloutput(struct socket *so, struct sockopt *sopt)
|
|
{
|
|
void *optval = NULL;
|
|
size_t optsize = 0;
|
|
struct sctp_inpcb *inp;
|
|
void *p;
|
|
int error = 0;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0) {
|
|
/* I made the same as TCP since we are not setup? */
|
|
return (ECONNRESET);
|
|
}
|
|
if (sopt->sopt_level != IPPROTO_SCTP) {
|
|
/* wrong proto level... send back up to IP */
|
|
#ifdef INET6
|
|
if (INP_CHECK_SOCKAF(so, AF_INET6))
|
|
error = ip6_ctloutput(so, sopt);
|
|
else
|
|
#endif /* INET6 */
|
|
error = ip_ctloutput(so, sopt);
|
|
return (error);
|
|
}
|
|
optsize = sopt->sopt_valsize;
|
|
if (optsize) {
|
|
SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT);
|
|
if (optval == NULL) {
|
|
return (ENOBUFS);
|
|
}
|
|
error = sooptcopyin(sopt, optval, optsize, optsize);
|
|
if (error) {
|
|
SCTP_FREE(optval, SCTP_M_SOCKOPT);
|
|
goto out;
|
|
}
|
|
}
|
|
p = (void *)sopt->sopt_td;
|
|
if (sopt->sopt_dir == SOPT_SET) {
|
|
error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p);
|
|
} else if (sopt->sopt_dir == SOPT_GET) {
|
|
error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
if ((error == 0) && (optval != NULL)) {
|
|
error = sooptcopyout(sopt, optval, optsize);
|
|
SCTP_FREE(optval, SCTP_M_SOCKOPT);
|
|
} else if (optval != NULL) {
|
|
SCTP_FREE(optval, SCTP_M_SOCKOPT);
|
|
}
|
|
out:
|
|
return (error);
|
|
}
|
|
|
|
|
|
static int
|
|
sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
|
|
{
|
|
int error = 0;
|
|
int create_lock_on = 0;
|
|
uint32_t vrf_id;
|
|
struct sctp_inpcb *inp;
|
|
struct sctp_tcb *stcb = NULL;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0) {
|
|
/* I made the same as TCP since we are not setup? */
|
|
return (ECONNRESET);
|
|
}
|
|
if (addr == NULL)
|
|
return EINVAL;
|
|
|
|
if ((addr->sa_family == AF_INET6) && (addr->sa_len != sizeof(struct sockaddr_in6))) {
|
|
return (EINVAL);
|
|
}
|
|
if ((addr->sa_family == AF_INET) && (addr->sa_len != sizeof(struct sockaddr_in))) {
|
|
return (EINVAL);
|
|
}
|
|
SCTP_ASOC_CREATE_LOCK(inp);
|
|
create_lock_on = 1;
|
|
|
|
SCTP_INP_INCR_REF(inp);
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
|
|
/* Should I really unlock ? */
|
|
error = EFAULT;
|
|
goto out_now;
|
|
}
|
|
#ifdef INET6
|
|
if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
|
|
(addr->sa_family == AF_INET6)) {
|
|
error = EINVAL;
|
|
goto out_now;
|
|
}
|
|
#endif /* INET6 */
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
|
|
SCTP_PCB_FLAGS_UNBOUND) {
|
|
/* Bind a ephemeral port */
|
|
error = sctp_inpcb_bind(so, NULL, NULL, p);
|
|
if (error) {
|
|
goto out_now;
|
|
}
|
|
}
|
|
/* Now do we connect? */
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) {
|
|
error = EINVAL;
|
|
goto out_now;
|
|
}
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
|
|
/* We are already connected AND the TCP model */
|
|
error = EADDRINUSE;
|
|
goto out_now;
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
} else {
|
|
/*
|
|
* We increment here since sctp_findassociation_ep_addr()
|
|
* wil do a decrement if it finds the stcb as long as the
|
|
* locked tcb (last argument) is NOT a TCB.. aka NULL.
|
|
*/
|
|
SCTP_INP_INCR_REF(inp);
|
|
stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_DECR_REF(inp);
|
|
} else {
|
|
SCTP_TCB_LOCK(stcb);
|
|
}
|
|
}
|
|
if (stcb != NULL) {
|
|
/* Already have or am bring up an association */
|
|
error = EALREADY;
|
|
goto out_now;
|
|
}
|
|
vrf_id = inp->def_vrf_id;
|
|
/* We are GOOD to go */
|
|
stcb = sctp_aloc_assoc(inp, addr, 1, &error, 0, vrf_id);
|
|
if (stcb == NULL) {
|
|
/* Gak! no memory */
|
|
goto out_now;
|
|
}
|
|
if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
|
|
stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
|
|
/* Set the connected flag so we can queue data */
|
|
soisconnecting(so);
|
|
}
|
|
stcb->asoc.state = SCTP_STATE_COOKIE_WAIT;
|
|
(void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
|
|
|
|
/* initialize authentication parameters for the assoc */
|
|
sctp_initialize_auth_params(inp, stcb);
|
|
|
|
sctp_send_initiate(inp, stcb);
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
out_now:
|
|
if (create_lock_on) {
|
|
SCTP_ASOC_CREATE_UNLOCK(inp);
|
|
}
|
|
SCTP_INP_DECR_REF(inp);
|
|
return error;
|
|
}
|
|
|
|
int
|
|
sctp_listen(struct socket *so, int backlog, struct thread *p)
|
|
{
|
|
/*
|
|
* Note this module depends on the protocol processing being called
|
|
* AFTER any socket level flags and backlog are applied to the
|
|
* socket. The traditional way that the socket flags are applied is
|
|
* AFTER protocol processing. We have made a change to the
|
|
* sys/kern/uipc_socket.c module to reverse this but this MUST be in
|
|
* place if the socket API for SCTP is to work properly.
|
|
*/
|
|
|
|
int error = 0;
|
|
struct sctp_inpcb *inp;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (inp == 0) {
|
|
/* I made the same as TCP since we are not setup? */
|
|
return (ECONNRESET);
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
#ifdef SCTP_LOCK_LOGGING
|
|
if (sctp_logging_level & SCTP_LOCK_LOGGING_ENABLE) {
|
|
sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
|
|
}
|
|
#endif
|
|
SOCK_LOCK(so);
|
|
error = solisten_proto_check(so);
|
|
if (error) {
|
|
SOCK_UNLOCK(so);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (error);
|
|
}
|
|
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
|
|
(inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
|
|
/* We are already connected AND the TCP model */
|
|
SCTP_INP_RUNLOCK(inp);
|
|
SOCK_UNLOCK(so);
|
|
return (EADDRINUSE);
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
|
|
/* We must do a bind. */
|
|
SOCK_UNLOCK(so);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) {
|
|
/* bind error, probably perm */
|
|
return (error);
|
|
}
|
|
SOCK_LOCK(so);
|
|
} else {
|
|
SCTP_INP_RUNLOCK(inp);
|
|
}
|
|
/* It appears for 7.0 and on, we must always call this. */
|
|
solisten_proto(so, backlog);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
|
|
/* remove the ACCEPTCONN flag for one-to-many sockets */
|
|
so->so_options &= ~SO_ACCEPTCONN;
|
|
}
|
|
if (backlog == 0) {
|
|
/* turning off listen */
|
|
so->so_options &= ~SO_ACCEPTCONN;
|
|
}
|
|
SOCK_UNLOCK(so);
|
|
return (error);
|
|
}
|
|
|
|
static int sctp_defered_wakeup_cnt = 0;
|
|
|
|
int
|
|
sctp_accept(struct socket *so, struct sockaddr **addr)
|
|
{
|
|
struct sctp_tcb *stcb;
|
|
struct sctp_inpcb *inp;
|
|
union sctp_sockstore store;
|
|
|
|
int error;
|
|
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
|
|
if (inp == 0) {
|
|
return (ECONNRESET);
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (ENOTSUP);
|
|
}
|
|
if (so->so_state & SS_ISDISCONNECTED) {
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (ECONNABORTED);
|
|
}
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb == NULL) {
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return (ECONNRESET);
|
|
}
|
|
SCTP_TCB_LOCK(stcb);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
store = stcb->asoc.primary_destination->ro._l_addr;
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
if (store.sa.sa_family == AF_INET) {
|
|
struct sockaddr_in *sin;
|
|
|
|
SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
|
|
sin->sin_family = AF_INET;
|
|
sin->sin_len = sizeof(*sin);
|
|
sin->sin_port = ((struct sockaddr_in *)&store)->sin_port;
|
|
sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr;
|
|
*addr = (struct sockaddr *)sin;
|
|
} else {
|
|
struct sockaddr_in6 *sin6;
|
|
|
|
SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
|
|
sin6->sin6_family = AF_INET6;
|
|
sin6->sin6_len = sizeof(*sin6);
|
|
sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port;
|
|
|
|
sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr;
|
|
if ((error = sa6_recoverscope(sin6)) != 0) {
|
|
SCTP_FREE_SONAME(sin6);
|
|
return (error);
|
|
}
|
|
*addr = (struct sockaddr *)sin6;
|
|
}
|
|
/* Wake any delayed sleep action */
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
|
|
SCTP_INP_WLOCK(inp);
|
|
inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
|
|
inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
SOCKBUF_LOCK(&inp->sctp_socket->so_snd);
|
|
if (sowriteable(inp->sctp_socket)) {
|
|
sowwakeup_locked(inp->sctp_socket);
|
|
} else {
|
|
SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd);
|
|
}
|
|
SCTP_INP_WLOCK(inp);
|
|
}
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
|
|
inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
|
|
SCTP_INP_WUNLOCK(inp);
|
|
SOCKBUF_LOCK(&inp->sctp_socket->so_rcv);
|
|
if (soreadable(inp->sctp_socket)) {
|
|
sctp_defered_wakeup_cnt++;
|
|
sorwakeup_locked(inp->sctp_socket);
|
|
} else {
|
|
SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv);
|
|
}
|
|
SCTP_INP_WLOCK(inp);
|
|
}
|
|
SCTP_INP_WUNLOCK(inp);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
sctp_ingetaddr(struct socket *so, struct sockaddr **addr)
|
|
{
|
|
struct sockaddr_in *sin;
|
|
uint32_t vrf_id;
|
|
struct sctp_inpcb *inp;
|
|
struct sctp_ifa *sctp_ifa;
|
|
|
|
/*
|
|
* Do the malloc first in case it blocks.
|
|
*/
|
|
SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
|
|
sin->sin_family = AF_INET;
|
|
sin->sin_len = sizeof(*sin);
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (!inp) {
|
|
SCTP_FREE_SONAME(sin);
|
|
return ECONNRESET;
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
sin->sin_port = inp->sctp_lport;
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
|
|
if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
|
|
struct sctp_tcb *stcb;
|
|
struct sockaddr_in *sin_a;
|
|
struct sctp_nets *net;
|
|
int fnd;
|
|
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb == NULL) {
|
|
goto notConn;
|
|
}
|
|
fnd = 0;
|
|
sin_a = NULL;
|
|
SCTP_TCB_LOCK(stcb);
|
|
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
|
|
sin_a = (struct sockaddr_in *)&net->ro._l_addr;
|
|
if (sin_a == NULL)
|
|
/* this will make coverity happy */
|
|
continue;
|
|
|
|
if (sin_a->sin_family == AF_INET) {
|
|
fnd = 1;
|
|
break;
|
|
}
|
|
}
|
|
if ((!fnd) || (sin_a == NULL)) {
|
|
/* punt */
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
goto notConn;
|
|
}
|
|
vrf_id = inp->def_vrf_id;
|
|
sctp_ifa = sctp_source_address_selection(inp,
|
|
stcb,
|
|
(sctp_route_t *) & net->ro,
|
|
net, 0, vrf_id);
|
|
if (sctp_ifa) {
|
|
sin->sin_addr = sctp_ifa->address.sin.sin_addr;
|
|
sctp_free_ifa(sctp_ifa);
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
} else {
|
|
/* For the bound all case you get back 0 */
|
|
notConn:
|
|
sin->sin_addr.s_addr = 0;
|
|
}
|
|
|
|
} else {
|
|
/* Take the first IPv4 address in the list */
|
|
struct sctp_laddr *laddr;
|
|
int fnd = 0;
|
|
|
|
LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
|
|
if (laddr->ifa->address.sa.sa_family == AF_INET) {
|
|
struct sockaddr_in *sin_a;
|
|
|
|
sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa;
|
|
sin->sin_addr = sin_a->sin_addr;
|
|
fnd = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (!fnd) {
|
|
SCTP_FREE_SONAME(sin);
|
|
SCTP_INP_RUNLOCK(inp);
|
|
return ENOENT;
|
|
}
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
(*addr) = (struct sockaddr *)sin;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
sctp_peeraddr(struct socket *so, struct sockaddr **addr)
|
|
{
|
|
struct sockaddr_in *sin = (struct sockaddr_in *)*addr;
|
|
int fnd;
|
|
struct sockaddr_in *sin_a;
|
|
struct sctp_inpcb *inp;
|
|
struct sctp_tcb *stcb;
|
|
struct sctp_nets *net;
|
|
|
|
/* Do the malloc first in case it blocks. */
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if ((inp == NULL) ||
|
|
((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
|
|
/* UDP type and listeners will drop out here */
|
|
return (ENOTCONN);
|
|
}
|
|
SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
|
|
sin->sin_family = AF_INET;
|
|
sin->sin_len = sizeof(*sin);
|
|
|
|
/* We must recapture incase we blocked */
|
|
inp = (struct sctp_inpcb *)so->so_pcb;
|
|
if (!inp) {
|
|
SCTP_FREE_SONAME(sin);
|
|
return ECONNRESET;
|
|
}
|
|
SCTP_INP_RLOCK(inp);
|
|
stcb = LIST_FIRST(&inp->sctp_asoc_list);
|
|
if (stcb) {
|
|
SCTP_TCB_LOCK(stcb);
|
|
}
|
|
SCTP_INP_RUNLOCK(inp);
|
|
if (stcb == NULL) {
|
|
SCTP_FREE_SONAME(sin);
|
|
return ECONNRESET;
|
|
}
|
|
fnd = 0;
|
|
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
|
|
sin_a = (struct sockaddr_in *)&net->ro._l_addr;
|
|
if (sin_a->sin_family == AF_INET) {
|
|
fnd = 1;
|
|
sin->sin_port = stcb->rport;
|
|
sin->sin_addr = sin_a->sin_addr;
|
|
break;
|
|
}
|
|
}
|
|
SCTP_TCB_UNLOCK(stcb);
|
|
if (!fnd) {
|
|
/* No IPv4 address */
|
|
SCTP_FREE_SONAME(sin);
|
|
return ENOENT;
|
|
}
|
|
(*addr) = (struct sockaddr *)sin;
|
|
return (0);
|
|
}
|
|
|
|
struct pr_usrreqs sctp_usrreqs = {
|
|
.pru_abort = sctp_abort,
|
|
.pru_accept = sctp_accept,
|
|
.pru_attach = sctp_attach,
|
|
.pru_bind = sctp_bind,
|
|
.pru_connect = sctp_connect,
|
|
.pru_control = in_control,
|
|
.pru_close = sctp_close,
|
|
.pru_detach = sctp_close,
|
|
.pru_sopoll = sopoll_generic,
|
|
.pru_disconnect = sctp_disconnect,
|
|
.pru_listen = sctp_listen,
|
|
.pru_peeraddr = sctp_peeraddr,
|
|
.pru_send = sctp_sendm,
|
|
.pru_shutdown = sctp_shutdown,
|
|
.pru_sockaddr = sctp_ingetaddr,
|
|
.pru_sosend = sctp_sosend,
|
|
.pru_soreceive = sctp_soreceive
|
|
};
|