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freebsd-dev/sys/netinet/sctp_usrreq.c
Michael Tuexen 762ae0ec8d sctp: Simplify stream scheduler usage 
Callers are getting the stcb send lock, so just KASSERT that.
No need to signal this when calling stream scheduler functions.
No functional change intended.

MFC after:	1 week
2021-09-21 17:13:57 +02:00

7544 lines
216 KiB
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/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
* Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* a) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* b) Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
*
* c) Neither the name of Cisco Systems, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <netinet/sctp_os.h>
#include <sys/proc.h>
#include <netinet/sctp_pcb.h>
#include <netinet/sctp_header.h>
#include <netinet/sctp_var.h>
#ifdef INET6
#include <netinet6/sctp6_var.h>
#endif
#include <netinet/sctp_sysctl.h>
#include <netinet/sctp_output.h>
#include <netinet/sctp_uio.h>
#include <netinet/sctp_asconf.h>
#include <netinet/sctputil.h>
#include <netinet/sctp_indata.h>
#include <netinet/sctp_timer.h>
#include <netinet/sctp_auth.h>
#include <netinet/sctp_bsd_addr.h>
#include <netinet/udp.h>
#include <sys/eventhandler.h>
extern const struct sctp_cc_functions sctp_cc_functions[];
extern const struct sctp_ss_functions sctp_ss_functions[];
void
sctp_init(void)
{
u_long sb_max_adj;
/* Initialize and modify the sysctled variables */
sctp_init_sysctls();
if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8);
/*
* Allow a user to take no more than 1/2 the number of clusters or
* the SB_MAX, whichever is smaller, for the send window.
*/
sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES));
SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj,
(((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT));
/*
* Now for the recv window, should we take the same amount? or
* should I do 1/2 the SB_MAX instead in the SB_MAX min above. For
* now I will just copy.
*/
SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace);
SCTP_BASE_VAR(first_time) = 0;
SCTP_BASE_VAR(sctp_pcb_initialized) = 0;
sctp_pcb_init();
#if defined(SCTP_PACKET_LOGGING)
SCTP_BASE_VAR(packet_log_writers) = 0;
SCTP_BASE_VAR(packet_log_end) = 0;
memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE);
#endif
SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg,
sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST);
}
#ifdef VIMAGE
static void
sctp_finish(void *unused __unused)
{
EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag));
sctp_pcb_finish();
}
VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL);
#endif
void
sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz)
{
struct sctp_tmit_chunk *chk;
uint16_t overhead;
/* Adjust that too */
stcb->asoc.smallest_mtu = nxtsz;
/* now off to subtract IP_DF flag if needed */
overhead = IP_HDR_SIZE + sizeof(struct sctphdr);
if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) {
overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id);
}
TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) {
if ((chk->send_size + overhead) > nxtsz) {
chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
}
}
TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) {
if ((chk->send_size + overhead) > nxtsz) {
/*
* For this guy we also mark for immediate resend
* since we sent to big of chunk
*/
chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
if (chk->sent < SCTP_DATAGRAM_RESEND) {
sctp_flight_size_decrease(chk);
sctp_total_flight_decrease(stcb, chk);
chk->sent = SCTP_DATAGRAM_RESEND;
sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
chk->rec.data.doing_fast_retransmit = 0;
if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) {
sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
chk->whoTo->flight_size,
chk->book_size,
(uint32_t)(uintptr_t)chk->whoTo,
chk->rec.data.tsn);
}
/* Clear any time so NO RTT is being done */
if (chk->do_rtt == 1) {
chk->do_rtt = 0;
chk->whoTo->rto_needed = 1;
}
}
}
}
}
#ifdef INET
void
sctp_notify(struct sctp_inpcb *inp,
struct sctp_tcb *stcb,
struct sctp_nets *net,
uint8_t icmp_type,
uint8_t icmp_code,
uint16_t ip_len,
uint32_t next_mtu)
{
int timer_stopped;
if (icmp_type != ICMP_UNREACH) {
/* We only care about unreachable */
SCTP_TCB_UNLOCK(stcb);
return;
}
if ((icmp_code == ICMP_UNREACH_NET) ||
(icmp_code == ICMP_UNREACH_HOST) ||
(icmp_code == ICMP_UNREACH_NET_UNKNOWN) ||
(icmp_code == ICMP_UNREACH_HOST_UNKNOWN) ||
(icmp_code == ICMP_UNREACH_ISOLATED) ||
(icmp_code == ICMP_UNREACH_NET_PROHIB) ||
(icmp_code == ICMP_UNREACH_HOST_PROHIB) ||
(icmp_code == ICMP_UNREACH_FILTER_PROHIB)) {
/* Mark the net unreachable. */
if (net->dest_state & SCTP_ADDR_REACHABLE) {
/* OK, that destination is NOT reachable. */
net->dest_state &= ~SCTP_ADDR_REACHABLE;
net->dest_state &= ~SCTP_ADDR_PF;
sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN,
stcb, 0,
(void *)net, SCTP_SO_NOT_LOCKED);
}
SCTP_TCB_UNLOCK(stcb);
} else if ((icmp_code == ICMP_UNREACH_PROTOCOL) ||
(icmp_code == ICMP_UNREACH_PORT)) {
/* Treat it like an ABORT. */
sctp_abort_notification(stcb, true, false, 0, NULL, SCTP_SO_NOT_LOCKED);
(void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2);
/* no need to unlock here, since the TCB is gone */
} else if (icmp_code == ICMP_UNREACH_NEEDFRAG) {
if (net->dest_state & SCTP_ADDR_NO_PMTUD) {
SCTP_TCB_UNLOCK(stcb);
return;
}
/* Find the next (smaller) MTU */
if (next_mtu == 0) {
/*
* Old type router that does not tell us what the
* next MTU is. Rats we will have to guess (in a
* educated fashion of course).
*/
next_mtu = sctp_get_prev_mtu(ip_len);
}
/* Stop the PMTU timer. */
if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
timer_stopped = 1;
sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1);
} else {
timer_stopped = 0;
}
/* Update the path MTU. */
if (net->port) {
next_mtu -= sizeof(struct udphdr);
}
if (net->mtu > next_mtu) {
net->mtu = next_mtu;
if (net->port) {
sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr));
} else {
sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu);
}
}
/* Update the association MTU */
if (stcb->asoc.smallest_mtu > next_mtu) {
sctp_pathmtu_adjustment(stcb, next_mtu);
}
/* Finally, start the PMTU timer if it was running before. */
if (timer_stopped) {
sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
}
SCTP_TCB_UNLOCK(stcb);
} else {
SCTP_TCB_UNLOCK(stcb);
}
}
void
sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip)
{
struct ip *outer_ip;
struct ip *inner_ip;
struct sctphdr *sh;
struct icmp *icmp;
struct sctp_inpcb *inp;
struct sctp_tcb *stcb;
struct sctp_nets *net;
struct sctp_init_chunk *ch;
struct sockaddr_in src, dst;
if (sa->sa_family != AF_INET ||
((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) {
return;
}
if (PRC_IS_REDIRECT(cmd)) {
vip = NULL;
} else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) {
return;
}
if (vip != NULL) {
inner_ip = (struct ip *)vip;
icmp = (struct icmp *)((caddr_t)inner_ip -
(sizeof(struct icmp) - sizeof(struct ip)));
outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip));
sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2));
memset(&src, 0, sizeof(struct sockaddr_in));
src.sin_family = AF_INET;
src.sin_len = sizeof(struct sockaddr_in);
src.sin_port = sh->src_port;
src.sin_addr = inner_ip->ip_src;
memset(&dst, 0, sizeof(struct sockaddr_in));
dst.sin_family = AF_INET;
dst.sin_len = sizeof(struct sockaddr_in);
dst.sin_port = sh->dest_port;
dst.sin_addr = inner_ip->ip_dst;
/*
* 'dst' holds the dest of the packet that failed to be
* sent. 'src' holds our local endpoint address. Thus we
* reverse the dst and the src in the lookup.
*/
inp = NULL;
net = NULL;
stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst,
(struct sockaddr *)&src,
&inp, &net, 1,
SCTP_DEFAULT_VRFID);
if ((stcb != NULL) &&
(net != NULL) &&
(inp != NULL)) {
/* Check the verification tag */
if (ntohl(sh->v_tag) != 0) {
/*
* This must be the verification tag used
* for sending out packets. We don't
* consider packets reflecting the
* verification tag.
*/
if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) {
SCTP_TCB_UNLOCK(stcb);
return;
}
} else {
if (ntohs(outer_ip->ip_len) >=
sizeof(struct ip) +
8 + (inner_ip->ip_hl << 2) + 20) {
/*
* In this case we can check if we
* got an INIT chunk and if the
* initiate tag matches.
*/
ch = (struct sctp_init_chunk *)(sh + 1);
if ((ch->ch.chunk_type != SCTP_INITIATION) ||
(ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) {
SCTP_TCB_UNLOCK(stcb);
return;
}
} else {
SCTP_TCB_UNLOCK(stcb);
return;
}
}
sctp_notify(inp, stcb, net,
icmp->icmp_type,
icmp->icmp_code,
ntohs(inner_ip->ip_len),
(uint32_t)ntohs(icmp->icmp_nextmtu));
} else {
if ((stcb == NULL) && (inp != NULL)) {
/* reduce ref-count */
SCTP_INP_WLOCK(inp);
SCTP_INP_DECR_REF(inp);
SCTP_INP_WUNLOCK(inp);
}
if (stcb) {
SCTP_TCB_UNLOCK(stcb);
}
}
}
return;
}
#endif
static int
sctp_getcred(SYSCTL_HANDLER_ARGS)
{
struct xucred xuc;
struct sockaddr_in addrs[2];
struct sctp_inpcb *inp;
struct sctp_nets *net;
struct sctp_tcb *stcb;
int error;
uint32_t vrf_id;
/* FIX, for non-bsd is this right? */
vrf_id = SCTP_DEFAULT_VRFID;
error = priv_check(req->td, PRIV_NETINET_GETCRED);
if (error)
return (error);
error = SYSCTL_IN(req, addrs, sizeof(addrs));
if (error)
return (error);
stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]),
sintosa(&addrs[0]),
&inp, &net, 1, vrf_id);
if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
if ((inp != NULL) && (stcb == NULL)) {
/* reduce ref-count */
SCTP_INP_WLOCK(inp);
SCTP_INP_DECR_REF(inp);
goto cred_can_cont;
}
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
error = ENOENT;
goto out;
}
SCTP_TCB_UNLOCK(stcb);
/*
* We use the write lock here, only since in the error leg we need
* it. If we used RLOCK, then we would have to
* wlock/decr/unlock/rlock. Which in theory could create a hole.
* Better to use higher wlock.
*/
SCTP_INP_WLOCK(inp);
cred_can_cont:
error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket);
if (error) {
SCTP_INP_WUNLOCK(inp);
goto out;
}
cru2x(inp->sctp_socket->so_cred, &xuc);
SCTP_INP_WUNLOCK(inp);
error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred));
out:
return (error);
}
SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred,
CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
0, 0, sctp_getcred, "S,ucred",
"Get the ucred of a SCTP connection");
#ifdef INET
static void
sctp_abort(struct socket *so)
{
struct epoch_tracker et;
struct sctp_inpcb *inp;
inp = (struct sctp_inpcb *)so->so_pcb;
if (inp == NULL) {
return;
}
SCTP_INP_WLOCK(inp);
NET_EPOCH_ENTER(et);
#ifdef SCTP_LOG_CLOSING
sctp_log_closing(inp, NULL, 17);
#endif
if (((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0)) {
inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP;
#ifdef SCTP_LOG_CLOSING
sctp_log_closing(inp, NULL, 16);
#endif
SCTP_INP_WUNLOCK(inp);
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 {
SCTP_INP_WUNLOCK(inp);
}
NET_EPOCH_EXIT(et);
}
static int
sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED)
{
struct sctp_inpcb *inp;
struct inpcb *ip_inp;
int error;
uint32_t vrf_id = SCTP_DEFAULT_VRFID;
inp = (struct sctp_inpcb *)so->so_pcb;
if (inp != NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (EINVAL);
}
if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(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 = MODULE_GLOBAL(ip_defttl);
SCTP_INP_WUNLOCK(inp);
return (0);
}
static int
sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p)
{
struct sctp_inpcb *inp;
inp = (struct sctp_inpcb *)so->so_pcb;
if (inp == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (EINVAL);
}
if (addr != NULL) {
if ((addr->sa_family != AF_INET) ||
(addr->sa_len != sizeof(struct sockaddr_in))) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (EINVAL);
}
}
return (sctp_inpcb_bind(so, addr, NULL, p));
}
#endif
void
sctp_close(struct socket *so)
{
struct epoch_tracker et;
struct sctp_inpcb *inp;
inp = (struct sctp_inpcb *)so->so_pcb;
if (inp == NULL)
return;
/*
* Inform all the lower layer assoc that we are done.
*/
SCTP_INP_WLOCK(inp);
NET_EPOCH_ENTER(et);
#ifdef SCTP_LOG_CLOSING
sctp_log_closing(inp, NULL, 17);
#endif
if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
inp->sctp_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_INP_WUNLOCK(inp);
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_INP_WUNLOCK(inp);
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 {
SCTP_INP_WUNLOCK(inp);
}
NET_EPOCH_EXIT(et);
}
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 == NULL) {
if (control) {
sctp_m_freem(control);
control = NULL;
}
SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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;
}
error = 0;
if (addr == NULL) {
SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
error = EDESTADDRREQ;
} else if (addr->sa_family != AF_INET) {
SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
error = EAFNOSUPPORT;
} else if (addr->sa_len != sizeof(struct sockaddr_in)) {
SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
if (error != 0) {
sctp_m_freem(m);
if (control) {
sctp_m_freem(control);
control = NULL;
}
return (error);
}
connected_type:
/* now what about control */
if (control) {
if (inp->control) {
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.
*/
struct epoch_tracker et;
int ret;
NET_EPOCH_ENTER(et);
ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
NET_EPOCH_EXIT(et);
inp->pkt = NULL;
inp->control = NULL;
return (ret);
} else {
return (0);
}
}
int
sctp_disconnect(struct socket *so)
{
struct sctp_inpcb *inp;
inp = (struct sctp_inpcb *)so->so_pcb;
if (inp == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
return (ENOTCONN);
}
SCTP_INP_RLOCK(inp);
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
if (LIST_EMPTY(&inp->sctp_asoc_list)) {
/* No connection */
SCTP_INP_RUNLOCK(inp);
return (0);
} else {
struct epoch_tracker et;
struct sctp_association *asoc;
struct sctp_tcb *stcb;
stcb = LIST_FIRST(&inp->sctp_asoc_list);
if (stcb == NULL) {
SCTP_INP_RUNLOCK(inp);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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);
}
NET_EPOCH_ENTER(et);
if (((so->so_options & SO_LINGER) &&
(so->so_linger == 0)) ||
(so->so_rcv.sb_cc > 0)) {
if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) {
/* Left with Data unread */
struct mbuf *op_err;
op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
SCTP_STAT_INCR_COUNTER32(sctps_aborted);
}
SCTP_INP_RUNLOCK(inp);
if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) ||
(SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
SCTP_STAT_DECR_GAUGE32(sctps_currestab);
}
(void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3);
/* No unlock tcb assoc is gone */
NET_EPOCH_EXIT(et);
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->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) {
goto abort_anyway;
}
if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) &&
(SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {
/* only send SHUTDOWN 1st time thru */
struct sctp_nets *netp;
if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) ||
(SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
SCTP_STAT_DECR_GAUGE32(sctps_currestab);
}
SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT);
sctp_stop_timers_for_shutdown(stcb);
if (stcb->asoc.alternate) {
netp = stcb->asoc.alternate;
} else {
netp = stcb->asoc.primary_destination;
}
sctp_send_shutdown(stcb, netp);
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
stcb->sctp_ep, stcb, netp);
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
stcb->sctp_ep, stcb, NULL);
sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
}
} 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
*/
SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING);
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL);
if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) {
SCTP_ADD_SUBSTATE(stcb, 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_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4;
sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
SCTP_STAT_INCR_COUNTER32(sctps_aborted);
if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) ||
(SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
SCTP_STAT_DECR_GAUGE32(sctps_currestab);
}
SCTP_INP_RUNLOCK(inp);
(void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5);
NET_EPOCH_EXIT(et);
return (0);
} else {
sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
}
}
soisdisconnecting(so);
NET_EPOCH_EXIT(et);
SCTP_TCB_UNLOCK(stcb);
SCTP_INP_RUNLOCK(inp);
return (0);
}
/* not reached */
} else {
/* UDP model does not support this */
SCTP_INP_RUNLOCK(inp);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
return (EOPNOTSUPP);
}
}
int
sctp_flush(struct socket *so, int how)
{
/*
* We will just clear out the values and let subsequent close clear
* out the data, if any. Note if the user did a shutdown(SHUT_RD)
* they will not be able to read the data, the socket will block
* that from happening.
*/
struct sctp_inpcb *inp;
inp = (struct sctp_inpcb *)so->so_pcb;
if (inp == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (EINVAL);
}
SCTP_INP_RLOCK(inp);
/* For the 1 to many model this does nothing */
if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
SCTP_INP_RUNLOCK(inp);
return (0);
}
SCTP_INP_RUNLOCK(inp);
if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) {
/*
* First make sure the sb will be happy, we don't use these
* except maybe the count
*/
SCTP_INP_WLOCK(inp);
SCTP_INP_READ_LOCK(inp);
inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ;
SCTP_INP_READ_UNLOCK(inp);
SCTP_INP_WUNLOCK(inp);
so->so_rcv.sb_cc = 0;
so->so_rcv.sb_mbcnt = 0;
so->so_rcv.sb_mb = NULL;
}
if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) {
/*
* First make sure the sb will be happy, we don't use these
* except maybe the count
*/
so->so_snd.sb_cc = 0;
so->so_snd.sb_mbcnt = 0;
so->so_snd.sb_mb = NULL;
}
return (0);
}
int
sctp_shutdown(struct socket *so)
{
struct sctp_inpcb *inp;
inp = (struct sctp_inpcb *)so->so_pcb;
if (inp == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (EINVAL);
}
SCTP_INP_RLOCK(inp);
/* For UDP model this is a invalid call */
if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) {
/* Restore the flags that the soshutdown took away. */
SOCKBUF_LOCK(&so->so_rcv);
so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
SOCKBUF_UNLOCK(&so->so_rcv);
/* This proc will wakeup for read and do nothing (I hope) */
SCTP_INP_RUNLOCK(inp);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
return (EOPNOTSUPP);
} else {
/*
* 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 epoch_tracker et;
struct sctp_tcb *stcb;
struct sctp_association *asoc;
struct sctp_nets *netp;
if ((so->so_state &
(SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) {
SCTP_INP_RUNLOCK(inp);
return (ENOTCONN);
}
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 (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) {
SCTP_TCB_UNLOCK(stcb);
SCTP_INP_RUNLOCK(inp);
return (0);
}
if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) &&
(SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) &&
(SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) {
/*
* If we are not in or before ESTABLISHED, there is
* no protocol action required.
*/
SCTP_TCB_UNLOCK(stcb);
SCTP_INP_RUNLOCK(inp);
return (0);
}
NET_EPOCH_ENTER(et);
if (stcb->asoc.alternate) {
netp = stcb->asoc.alternate;
} else {
netp = stcb->asoc.primary_destination;
}
if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) &&
TAILQ_EMPTY(&asoc->send_queue) &&
TAILQ_EMPTY(&asoc->sent_queue) &&
(asoc->stream_queue_cnt == 0)) {
if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) {
goto abort_anyway;
}
/* there is nothing queued to send, so I'm done... */
SCTP_STAT_DECR_GAUGE32(sctps_currestab);
SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT);
sctp_stop_timers_for_shutdown(stcb);
sctp_send_shutdown(stcb, netp);
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
stcb->sctp_ep, stcb, netp);
} else {
/*
* We still got (or just got) data to send, so set
* SHUTDOWN_PENDING.
*/
SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING);
if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) {
SCTP_ADD_SUBSTATE(stcb, 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_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6;
SCTP_INP_RUNLOCK(inp);
sctp_abort_an_association(stcb->sctp_ep, stcb,
op_err, false, SCTP_SO_LOCKED);
NET_EPOCH_EXIT(et);
return (0);
}
}
sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL);
/*
* XXX: Why do this in the case where we have still data
* queued?
*/
sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
SCTP_TCB_UNLOCK(stcb);
SCTP_INP_RUNLOCK(inp);
NET_EPOCH_EXIT(et);
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 *dst, struct sockaddr *src)
{
#ifdef INET6
struct sockaddr_in6 lsa6;
src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src,
&lsa6);
#endif
memcpy(dst, src, src->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 *addr,
uint32_t vrf_id)
{
struct sctp_ifn *sctp_ifn;
struct sctp_ifa *sctp_ifa;
size_t actual;
int loopback_scope;
#if defined(INET)
int ipv4_local_scope, ipv4_addr_legal;
#endif
#if defined(INET6)
int local_scope, site_scope, ipv6_addr_legal;
#endif
struct sctp_vrf *vrf;
SCTP_IPI_ADDR_LOCK_ASSERT();
actual = 0;
if (limit == 0)
return (actual);
if (stcb) {
/* Turn on all the appropriate scope */
loopback_scope = stcb->asoc.scope.loopback_scope;
#if defined(INET)
ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
#endif
#if defined(INET6)
local_scope = stcb->asoc.scope.local_scope;
site_scope = stcb->asoc.scope.site_scope;
ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
#endif
} else {
/* Use generic values for endpoints. */
loopback_scope = 1;
#if defined(INET)
ipv4_local_scope = 1;
#endif
#if defined(INET6)
local_scope = 1;
site_scope = 1;
#endif
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
#if defined(INET6)
ipv6_addr_legal = 1;
#endif
#if defined(INET)
if (SCTP_IPV6_V6ONLY(inp)) {
ipv4_addr_legal = 0;
} else {
ipv4_addr_legal = 1;
}
#endif
} else {
#if defined(INET6)
ipv6_addr_legal = 0;
#endif
#if defined(INET)
ipv4_addr_legal = 1;
#endif
}
}
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;
}
}
switch (sctp_ifa->address.sa.sa_family) {
#ifdef INET
case AF_INET:
if (ipv4_addr_legal) {
struct sockaddr_in *sin;
sin = &sctp_ifa->address.sin;
if (sin->sin_addr.s_addr == 0) {
/*
* we skip
* unspecifed
* addresses
*/
continue;
}
if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
&sin->sin_addr) != 0) {
continue;
}
if ((ipv4_local_scope == 0) &&
(IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
continue;
}
#ifdef INET6
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
if (actual + sizeof(struct sockaddr_in6) > limit) {
return (actual);
}
in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr);
((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport;
addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6));
actual += sizeof(struct sockaddr_in6);
} else {
#endif
if (actual + sizeof(struct sockaddr_in) > limit) {
return (actual);
}
memcpy(addr, sin, sizeof(struct sockaddr_in));
((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport;
addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in));
actual += sizeof(struct sockaddr_in);
#ifdef INET6
}
#endif
} else {
continue;
}
break;
#endif
#ifdef INET6
case AF_INET6:
if (ipv6_addr_legal) {
struct sockaddr_in6 *sin6;
sin6 = &sctp_ifa->address.sin6;
if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
/*
* we skip
* unspecifed
* addresses
*/
continue;
}
if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
&sin6->sin6_addr) != 0) {
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;
}
if (actual + sizeof(struct sockaddr_in6) > limit) {
return (actual);
}
memcpy(addr, sin6, sizeof(struct sockaddr_in6));
((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport;
addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6));
actual += sizeof(struct sockaddr_in6);
} else {
continue;
}
break;
#endif
default:
/* TSNH */
break;
}
}
}
} else {
struct sctp_laddr *laddr;
size_t sa_len;
LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
if (stcb) {
if (sctp_is_addr_restricted(stcb, laddr->ifa)) {
continue;
}
}
sa_len = laddr->ifa->address.sa.sa_len;
if (actual + sa_len > limit) {
return (actual);
}
if (sctp_fill_user_address(addr, &laddr->ifa->address.sa))
continue;
switch (laddr->ifa->address.sa.sa_family) {
#ifdef INET
case AF_INET:
((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport;
break;
#endif
#ifdef INET6
case AF_INET6:
((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport;
break;
#endif
default:
/* TSNH */
break;
}
addr = (struct sockaddr *)((caddr_t)addr + sa_len);
actual += sa_len;
}
}
return (actual);
}
static size_t
sctp_fill_up_addresses(struct sctp_inpcb *inp,
struct sctp_tcb *stcb,
size_t limit,
struct sockaddr *addr)
{
size_t size = 0;
SCTP_IPI_ADDR_RLOCK();
/* fill up addresses for the endpoint's default vrf */
size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr,
inp->def_vrf_id);
SCTP_IPI_ADDR_RUNLOCK();
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.
*/
SCTP_IPI_ADDR_LOCK_ASSERT();
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 */
switch (sctp_ifa->address.sa.sa_family) {
#ifdef INET
case AF_INET:
#ifdef INET6
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
cnt += sizeof(struct sockaddr_in6);
else
cnt += sizeof(struct sockaddr_in);
#else
cnt += sizeof(struct sockaddr_in);
#endif
break;
#endif
#ifdef INET6
case AF_INET6:
cnt += sizeof(struct sockaddr_in6);
break;
#endif
default:
break;
}
}
}
} else {
struct sctp_laddr *laddr;
LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
switch (laddr->ifa->address.sa.sa_family) {
#ifdef INET
case AF_INET:
#ifdef INET6
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
cnt += sizeof(struct sockaddr_in6);
else
cnt += sizeof(struct sockaddr_in);
#else
cnt += sizeof(struct sockaddr_in);
#endif
break;
#endif
#ifdef INET6
case AF_INET6:
cnt += sizeof(struct sockaddr_in6);
break;
#endif
default:
break;
}
}
}
return (cnt);
}
static int
sctp_count_max_addresses(struct sctp_inpcb *inp)
{
int cnt = 0;
SCTP_IPI_ADDR_RLOCK();
/* count addresses for the endpoint's default VRF */
cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id);
SCTP_IPI_ADDR_RUNLOCK();
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;
int creat_lock_on = 0;
struct sctp_tcb *stcb = NULL;
struct sockaddr *sa;
unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr;
uint32_t vrf_id;
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 */
SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
return (EADDRINUSE);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
(sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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) {
SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
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)) {
SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
error = EFAULT;
goto out_now;
}
totaddrp = (unsigned int *)optval;
totaddr = *totaddrp;
sa = (struct sockaddr *)(totaddrp + 1);
error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int)));
if (error != 0) {
/* Already have or am bring up an association */
SCTP_ASOC_CREATE_UNLOCK(inp);
creat_lock_on = 0;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
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)) {
if (SCTP_IPV6_V6ONLY(inp)) {
/*
* if IPV6_V6ONLY flag, ignore connections destined
* to a v4 addr or v4-mapped addr
*/
SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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_connected(inp, sa, &error, 0, 0, vrf_id,
inp->sctp_ep.pre_open_stream_count,
inp->sctp_ep.port,
(struct thread *)p,
SCTP_INITIALIZE_AUTH_PARAMS);
if (stcb == NULL) {
/* Gak! no memory */
goto out_now;
}
SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT);
/* move to second address */
switch (sa->sa_family) {
#ifdef INET
case AF_INET:
sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in));
break;
#endif
#ifdef INET6
case AF_INET6:
sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6));
break;
#endif
default:
break;
}
error = 0;
sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error);
/* Fill in the return id */
if (error) {
goto out_now;
}
a_id = (sctp_assoc_t *)optval;
*a_id = sctp_get_associd(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_SO_LOCKED);
}
SCTP_TCB_UNLOCK(stcb);
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 > SCTP_ALL_ASSOC) { \
stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \
if (stcb == NULL) { \
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \
error = ENOENT; \
break; \
} \
} else { \
stcb = NULL; \
} \
}
#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\
if (size < sizeof(type)) { \
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \
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 = NULL;
int error, val = 0;
struct sctp_tcb *stcb = NULL;
if (optval == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (EINVAL);
}
inp = (struct sctp_inpcb *)so->so_pcb;
if (inp == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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:
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
/* only valid for bound all sockets */
val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
goto flags_out;
}
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 = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time);
else
val = 0;
break;
default:
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
error = ENOPROTOOPT;
} /* end switch (sopt->sopt_name) */
if (*optsize < sizeof(val)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
flags_out:
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
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
error = EOPNOTSUPP;
#endif
break;
}
case SCTP_REUSE_PORT:
{
uint32_t *value;
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
/* Can't do this for a 1-m socket */
error = EINVAL;
break;
}
SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
*value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
*optsize = sizeof(uint32_t);
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_INTERLEAVING_SUPPORTED:
{
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.idata_supported;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
if (inp->idata_supported) {
av->assoc_value = 1;
} else {
av->assoc_value = 0;
}
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_CMT_ON_OFF:
{
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.sctp_cmt_on_off;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = inp->sctp_cmt_on_off;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_PLUGGABLE_CC:
{
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.congestion_control_module;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = inp->sctp_ep.sctp_default_cc_module;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_CC_OPTION:
{
struct sctp_cc_option *cc_opt;
SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize);
SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
if (stcb == NULL) {
error = EINVAL;
} else {
if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
error = ENOTSUP;
} else {
error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt);
*optsize = sizeof(struct sctp_cc_option);
}
SCTP_TCB_UNLOCK(stcb);
}
break;
}
case SCTP_PLUGGABLE_SS:
{
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.stream_scheduling_module;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = inp->sctp_ep.sctp_default_ss_module;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_SS_VALUE:
{
struct sctp_stream_value *av;
SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize);
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
if (stcb) {
if ((av->stream_id >= stcb->asoc.streamoutcnt) ||
(stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
&av->stream_value) < 0)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
} else {
*optsize = sizeof(struct sctp_stream_value);
}
SCTP_TCB_UNLOCK(stcb);
} else {
/*
* Can't get stream value without
* association
*/
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
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
if (error) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
} else {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_GET_ASSOC_NUMBER:
{
uint32_t *value, cnt;
SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
SCTP_INP_RLOCK(inp);
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
/* Can't do this for a 1-1 socket */
error = EINVAL;
SCTP_INP_RUNLOCK(inp);
break;
}
cnt = 0;
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;
uint32_t at;
size_t limit;
SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize);
SCTP_INP_RLOCK(inp);
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
/* Can't do this for a 1-1 socket */
error = EINVAL;
SCTP_INP_RUNLOCK(inp);
break;
}
at = 0;
limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
if (at < limit) {
ids->gaids_assoc_id[at++] = sctp_get_associd(stcb);
if (at == 0) {
error = EINVAL;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
} else {
error = EINVAL;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
}
SCTP_INP_RUNLOCK(inp);
if (error == 0) {
ids->gaids_number_of_ids = at;
*optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_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 {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = inp->sctp_context;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
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;
*optsize = sizeof(uint32_t);
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;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
} else {
id->assoc_value = stcb->asoc.vrf_id;
SCTP_TCB_UNLOCK(stcb);
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_GET_VRF_IDS:
{
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
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);
*optsize = sizeof(struct sctp_get_nonce_values);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
error = ENOTCONN;
}
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 {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]);
sack->sack_freq = inp->sctp_ep.sctp_sack_freq;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_sack_info);
}
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);
*optsize = sizeof(struct sctp_sockstat);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
error = ENOTCONN;
}
break;
}
case SCTP_MAX_BURST:
{
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.max_burst;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = inp->sctp_ep.max_burst;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
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 {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
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);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*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(struct sctp_event_subscribe));
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_DRYEVNT))
events->sctp_sender_dry_event = 1;
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT))
events->sctp_stream_reset_event = 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) {
switch (net->ro._l_addr.sa.sa_family) {
#ifdef INET
case AF_INET:
#ifdef INET6
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
size += sizeof(struct sockaddr_in6);
} else {
size += sizeof(struct sockaddr_in);
}
#else
size += sizeof(struct sockaddr_in);
#endif
break;
#endif
#ifdef INET6
case AF_INET6:
size += sizeof(struct sockaddr_in6);
break;
#endif
default:
break;
}
}
SCTP_TCB_UNLOCK(stcb);
*value = (uint32_t)size;
*optsize = sizeof(uint32_t);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
error = ENOTCONN;
}
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 *addr;
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 - offsetof(struct sctp_getaddresses, addr);
*optsize = offsetof(struct sctp_getaddresses, addr);
addr = &saddr->addr[0].sa;
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
switch (net->ro._l_addr.sa.sa_family) {
#ifdef INET
case AF_INET:
#ifdef INET6
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
cpsz = sizeof(struct sockaddr_in6);
} else {
cpsz = sizeof(struct sockaddr_in);
}
#else
cpsz = sizeof(struct sockaddr_in);
#endif
break;
#endif
#ifdef INET6
case AF_INET6:
cpsz = sizeof(struct sockaddr_in6);
break;
#endif
default:
cpsz = 0;
break;
}
if (cpsz == 0) {
break;
}
if (left < cpsz) {
/* not enough room. */
break;
}
#if defined(INET) && defined(INET6)
if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) &&
(net->ro._l_addr.sa.sa_family == AF_INET)) {
/* Must map the address */
in6_sin_2_v4mapsin6(&net->ro._l_addr.sin,
(struct sockaddr_in6 *)addr);
} else {
memcpy(addr, &net->ro._l_addr, cpsz);
}
#else
memcpy(addr, &net->ro._l_addr, cpsz);
#endif
((struct sockaddr_in *)addr)->sin_port = stcb->rport;
addr = (struct sockaddr *)((caddr_t)addr + cpsz);
left -= cpsz;
*optsize += cpsz;
}
SCTP_TCB_UNLOCK(stcb);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
error = ENOENT;
}
break;
}
case SCTP_GET_LOCAL_ADDRESSES:
{
size_t limit, actual;
struct sctp_getaddresses *saddr;
SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
limit = *optsize - offsetof(struct sctp_getaddresses, addr);
actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa);
if (stcb) {
SCTP_TCB_UNLOCK(stcb);
}
*optsize = offsetof(struct sctp_getaddresses, addr) + actual;
break;
}
case SCTP_PEER_ADDR_PARAMS:
{
struct sctp_paddrparams *paddrp;
struct sctp_nets *net;
struct sockaddr *addr;
#if defined(INET) && defined(INET6)
struct sockaddr_in sin_store;
#endif
SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize);
SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
#if defined(INET) && defined(INET6)
if (paddrp->spp_address.ss_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)&paddrp->spp_address;
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
in6_sin6_2_sin(&sin_store, sin6);
addr = (struct sockaddr *)&sin_store;
} else {
addr = (struct sockaddr *)&paddrp->spp_address;
}
} else {
addr = (struct sockaddr *)&paddrp->spp_address;
}
#else
addr = (struct sockaddr *)&paddrp->spp_address;
#endif
if (stcb != NULL) {
net = sctp_findnet(stcb, 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.
*/
net = NULL;
SCTP_INP_INCR_REF(inp);
stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
if (stcb == NULL) {
SCTP_INP_DECR_REF(inp);
}
}
if ((stcb != NULL) && (net == NULL)) {
#ifdef INET
if (addr->sa_family == AF_INET) {
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)addr;
if (sin->sin_addr.s_addr != INADDR_ANY) {
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
} else
#endif
#ifdef INET6
if (addr->sa_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)addr;
if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
} else
#endif
{
error = EAFNOSUPPORT;
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
}
if (stcb != NULL) {
/* Applies to the specific association */
paddrp->spp_flags = 0;
if (net != NULL) {
paddrp->spp_hbinterval = net->heart_beat_delay;
paddrp->spp_pathmaxrxt = net->failure_threshold;
paddrp->spp_pathmtu = net->mtu;
switch (net->ro._l_addr.sa.sa_family) {
#ifdef INET
case AF_INET:
paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD;
break;
#endif
#ifdef INET6
case AF_INET6:
paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD;
break;
#endif
default:
break;
}
/* 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 (net->dest_state & SCTP_ADDR_NO_PMTUD) {
paddrp->spp_flags |= SPP_PMTUD_DISABLE;
} else {
paddrp->spp_flags |= SPP_PMTUD_ENABLE;
}
if (net->dscp & 0x01) {
paddrp->spp_dscp = net->dscp & 0xfc;
paddrp->spp_flags |= SPP_DSCP;
}
#ifdef INET6
if ((net->ro._l_addr.sa.sa_family == AF_INET6) &&
(net->flowlabel & 0x80000000)) {
paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff;
paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
}
#endif
} else {
/*
* No destination so return default
* value
*/
paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
paddrp->spp_pathmtu = stcb->asoc.default_mtu;
if (stcb->asoc.default_dscp & 0x01) {
paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc;
paddrp->spp_flags |= SPP_DSCP;
}
#ifdef INET6
if (stcb->asoc.default_flowlabel & 0x80000000) {
paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff;
paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
}
#endif
/* default settings should be these */
if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
paddrp->spp_flags |= SPP_HB_DISABLE;
} else {
paddrp->spp_flags |= SPP_HB_ENABLE;
}
if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
paddrp->spp_flags |= SPP_PMTUD_DISABLE;
} else {
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 {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) {
/* Use endpoint defaults */
SCTP_INP_RLOCK(inp);
paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure;
paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]);
paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC;
/* get inp's default */
if (inp->sctp_ep.default_dscp & 0x01) {
paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc;
paddrp->spp_flags |= SPP_DSCP;
}
#ifdef INET6
if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
(inp->sctp_ep.default_flowlabel & 0x80000000)) {
paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff;
paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
}
#endif
paddrp->spp_pathmtu = inp->sctp_ep.default_mtu;
if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
paddrp->spp_flags |= SPP_HB_ENABLE;
} else {
paddrp->spp_flags |= SPP_HB_DISABLE;
}
if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
paddrp->spp_flags |= SPP_PMTUD_ENABLE;
} else {
paddrp->spp_flags |= SPP_PMTUD_DISABLE;
}
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_paddrparams);
}
break;
}
case SCTP_GET_PEER_ADDR_INFO:
{
struct sctp_paddrinfo *paddri;
struct sctp_nets *net;
struct sockaddr *addr;
#if defined(INET) && defined(INET6)
struct sockaddr_in sin_store;
#endif
SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize);
SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id);
#if defined(INET) && defined(INET6)
if (paddri->spinfo_address.ss_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address;
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
in6_sin6_2_sin(&sin_store, sin6);
addr = (struct sockaddr *)&sin_store;
} else {
addr = (struct sockaddr *)&paddri->spinfo_address;
}
} else {
addr = (struct sockaddr *)&paddri->spinfo_address;
}
#else
addr = (struct sockaddr *)&paddri->spinfo_address;
#endif
if (stcb != NULL) {
net = sctp_findnet(stcb, 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.
*/
net = NULL;
SCTP_INP_INCR_REF(inp);
stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
if (stcb == NULL) {
SCTP_INP_DECR_REF(inp);
}
}
if ((stcb != NULL) && (net != NULL)) {
if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
/* It's unconfirmed */
paddri->spinfo_state = SCTP_UNCONFIRMED;
} else if (net->dest_state & SCTP_ADDR_REACHABLE) {
/* It's active */
paddri->spinfo_state = SCTP_ACTIVE;
} else {
/* It's inactive */
paddri->spinfo_state = SCTP_INACTIVE;
}
paddri->spinfo_cwnd = net->cwnd;
paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
paddri->spinfo_rto = net->RTO;
paddri->spinfo_assoc_id = sctp_get_associd(stcb);
paddri->spinfo_mtu = net->mtu;
switch (addr->sa_family) {
#if defined(INET)
case AF_INET:
paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD;
break;
#endif
#if defined(INET6)
case AF_INET6:
paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD;
break;
#endif
default:
break;
}
SCTP_TCB_UNLOCK(stcb);
*optsize = sizeof(struct sctp_paddrinfo);
} else {
if (stcb != NULL) {
SCTP_TCB_UNLOCK(stcb);
}
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
error = ENOENT;
}
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) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state);
sstat->sstat_assoc_id = sctp_get_associd(stcb);
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);
net = stcb->asoc.primary_destination;
if (net != NULL) {
memcpy(&sstat->sstat_primary.spinfo_address,
&net->ro._l_addr,
((struct sockaddr *)(&net->ro._l_addr))->sa_len);
((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.
*/
if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
/* It's unconfirmed */
sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED;
} else if (net->dest_state & SCTP_ADDR_REACHABLE) {
/* It's active */
sstat->sstat_primary.spinfo_state = SCTP_ACTIVE;
} else {
/* It's inactive */
sstat->sstat_primary.spinfo_state = SCTP_INACTIVE;
}
sstat->sstat_primary.spinfo_cwnd = net->cwnd;
sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
sstat->sstat_primary.spinfo_rto = net->RTO;
sstat->sstat_primary.spinfo_mtu = net->mtu;
switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) {
#if defined(INET)
case AF_INET:
sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD;
break;
#endif
#if defined(INET6)
case AF_INET6:
sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD;
break;
#endif
default:
break;
}
} else {
memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo));
}
sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb);
SCTP_TCB_UNLOCK(stcb);
*optsize = sizeof(struct sctp_status);
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 {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) {
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);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_rtoinfo);
}
break;
}
case SCTP_TIMEOUTS:
{
struct sctp_timeouts *stimo;
SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize);
SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id);
if (stcb) {
stimo->stimo_init = stcb->asoc.timoinit;
stimo->stimo_data = stcb->asoc.timodata;
stimo->stimo_sack = stcb->asoc.timosack;
stimo->stimo_shutdown = stcb->asoc.timoshutdown;
stimo->stimo_heartbeat = stcb->asoc.timoheartbeat;
stimo->stimo_cookie = stcb->asoc.timocookie;
stimo->stimo_shutdownack = stcb->asoc.timoshutdownack;
SCTP_TCB_UNLOCK(stcb);
*optsize = sizeof(struct sctp_timeouts);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
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_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life);
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;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life);
sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times;
sasoc->sasoc_number_peer_destinations = 0;
sasoc->sasoc_peer_rwnd = 0;
sasoc->sasoc_local_rwnd = (uint32_t)sbspace(&inp->sctp_socket->so_rcv);
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assocparams);
}
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 {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
memcpy(s_info, &inp->def_send, sizeof(inp->def_send));
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_sndrcvinfo);
}
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(struct sctp_initmsg);
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) {
union sctp_sockstore *addr;
addr = &stcb->asoc.primary_destination->ro._l_addr;
switch (addr->sa.sa_family) {
#ifdef INET
case AF_INET:
#ifdef INET6
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
in6_sin_2_v4mapsin6(&addr->sin,
(struct sockaddr_in6 *)&ssp->ssp_addr);
} else {
memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in));
}
#else
memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in));
#endif
break;
#endif
#ifdef INET6
case AF_INET6:
memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6));
break;
#endif
default:
break;
}
SCTP_TCB_UNLOCK(stcb);
*optsize = sizeof(struct sctp_setprim);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
break;
}
case SCTP_HMAC_IDENT:
{
struct sctp_hmacalgo *shmac;
sctp_hmaclist_t *hmaclist;
size_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 (*optsize < size) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
SCTP_INP_RUNLOCK(inp);
break;
}
/* copy in the list */
shmac->shmac_number_of_idents = hmaclist->num_algo;
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.active_keyid;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) {
/* get the endpoint active key */
SCTP_INP_RLOCK(inp);
scact->scact_keynumber = inp->sctp_ep.default_keyid;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_authkeyid);
}
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;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
} else {
/* copy in the chunks */
(void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
sac->gauth_number_of_chunks = (uint32_t)size;
*optsize = sizeof(struct sctp_authchunks) + size;
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) {
/* 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;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
} else {
/* copy in the chunks */
(void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
sac->gauth_number_of_chunks = (uint32_t)size;
*optsize = sizeof(struct sctp_authchunks) + size;
}
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
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;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
} else {
/* copy in the chunks */
(void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
sac->gauth_number_of_chunks = (uint32_t)size;
*optsize = sizeof(struct sctp_authchunks) + size;
}
SCTP_TCB_UNLOCK(stcb);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
error = ENOENT;
}
break;
}
case SCTP_EVENT:
{
struct sctp_event *event;
uint32_t event_type;
SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize);
SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
switch (event->se_type) {
case SCTP_ASSOC_CHANGE:
event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
break;
case SCTP_PEER_ADDR_CHANGE:
event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
break;
case SCTP_REMOTE_ERROR:
event_type = SCTP_PCB_FLAGS_RECVPEERERR;
break;
case SCTP_SEND_FAILED:
event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
break;
case SCTP_SHUTDOWN_EVENT:
event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
break;
case SCTP_ADAPTATION_INDICATION:
event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
break;
case SCTP_PARTIAL_DELIVERY_EVENT:
event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
break;
case SCTP_AUTHENTICATION_EVENT:
event_type = SCTP_PCB_FLAGS_AUTHEVNT;
break;
case SCTP_STREAM_RESET_EVENT:
event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
break;
case SCTP_SENDER_DRY_EVENT:
event_type = SCTP_PCB_FLAGS_DRYEVNT;
break;
case SCTP_NOTIFICATIONS_STOPPED_EVENT:
event_type = 0;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
error = ENOTSUP;
break;
case SCTP_ASSOC_RESET_EVENT:
event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
break;
case SCTP_STREAM_CHANGE_EVENT:
event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
break;
case SCTP_SEND_FAILED_EVENT:
event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
break;
default:
event_type = 0;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
if (event_type > 0) {
if (stcb) {
event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(event->se_assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
event->se_on = sctp_is_feature_on(inp, event_type);
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
}
if (stcb != NULL) {
SCTP_TCB_UNLOCK(stcb);
}
if (error == 0) {
*optsize = sizeof(struct sctp_event);
}
break;
}
case SCTP_RECVRCVINFO:
if (*optsize < sizeof(int)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
} else {
SCTP_INP_RLOCK(inp);
*(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
SCTP_INP_RUNLOCK(inp);
*optsize = sizeof(int);
}
break;
case SCTP_RECVNXTINFO:
if (*optsize < sizeof(int)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
} else {
SCTP_INP_RLOCK(inp);
*(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
SCTP_INP_RUNLOCK(inp);
*optsize = sizeof(int);
}
break;
case SCTP_DEFAULT_SNDINFO:
{
struct sctp_sndinfo *info;
SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize);
SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
if (stcb) {
info->snd_sid = stcb->asoc.def_send.sinfo_stream;
info->snd_flags = stcb->asoc.def_send.sinfo_flags;
info->snd_flags &= 0xfff0;
info->snd_ppid = stcb->asoc.def_send.sinfo_ppid;
info->snd_context = stcb->asoc.def_send.sinfo_context;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(info->snd_assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
info->snd_sid = inp->def_send.sinfo_stream;
info->snd_flags = inp->def_send.sinfo_flags;
info->snd_flags &= 0xfff0;
info->snd_ppid = inp->def_send.sinfo_ppid;
info->snd_context = inp->def_send.sinfo_context;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_sndinfo);
}
break;
}
case SCTP_DEFAULT_PRINFO:
{
struct sctp_default_prinfo *info;
SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize);
SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
if (stcb) {
info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
info->pr_value = stcb->asoc.def_send.sinfo_timetolive;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(info->pr_assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
info->pr_value = inp->def_send.sinfo_timetolive;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_default_prinfo);
}
break;
}
case SCTP_PEER_ADDR_THLDS:
{
struct sctp_paddrthlds *thlds;
struct sctp_nets *net;
struct sockaddr *addr;
#if defined(INET) && defined(INET6)
struct sockaddr_in sin_store;
#endif
SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize);
SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
#if defined(INET) && defined(INET6)
if (thlds->spt_address.ss_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)&thlds->spt_address;
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
in6_sin6_2_sin(&sin_store, sin6);
addr = (struct sockaddr *)&sin_store;
} else {
addr = (struct sockaddr *)&thlds->spt_address;
}
} else {
addr = (struct sockaddr *)&thlds->spt_address;
}
#else
addr = (struct sockaddr *)&thlds->spt_address;
#endif
if (stcb != NULL) {
net = sctp_findnet(stcb, 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.
*/
net = NULL;
SCTP_INP_INCR_REF(inp);
stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
if (stcb == NULL) {
SCTP_INP_DECR_REF(inp);
}
}
if ((stcb != NULL) && (net == NULL)) {
#ifdef INET
if (addr->sa_family == AF_INET) {
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)addr;
if (sin->sin_addr.s_addr != INADDR_ANY) {
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
} else
#endif
#ifdef INET6
if (addr->sa_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)addr;
if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
} else
#endif
{
error = EAFNOSUPPORT;
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
}
if (stcb != NULL) {
if (net != NULL) {
thlds->spt_pathmaxrxt = net->failure_threshold;
thlds->spt_pathpfthld = net->pf_threshold;
thlds->spt_pathcpthld = 0xffff;
} else {
thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure;
thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold;
thlds->spt_pathcpthld = 0xffff;
}
thlds->spt_assoc_id = sctp_get_associd(stcb);
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) {
/* Use endpoint defaults */
SCTP_INP_RLOCK(inp);
thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure;
thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold;
thlds->spt_pathcpthld = 0xffff;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_paddrthlds);
}
break;
}
case SCTP_REMOTE_UDP_ENCAPS_PORT:
{
struct sctp_udpencaps *encaps;
struct sctp_nets *net;
struct sockaddr *addr;
#if defined(INET) && defined(INET6)
struct sockaddr_in sin_store;
#endif
SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize);
SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
#if defined(INET) && defined(INET6)
if (encaps->sue_address.ss_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)&encaps->sue_address;
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
in6_sin6_2_sin(&sin_store, sin6);
addr = (struct sockaddr *)&sin_store;
} else {
addr = (struct sockaddr *)&encaps->sue_address;
}
} else {
addr = (struct sockaddr *)&encaps->sue_address;
}
#else
addr = (struct sockaddr *)&encaps->sue_address;
#endif
if (stcb) {
net = sctp_findnet(stcb, 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.
*/
net = NULL;
SCTP_INP_INCR_REF(inp);
stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
if (stcb == NULL) {
SCTP_INP_DECR_REF(inp);
}
}
if ((stcb != NULL) && (net == NULL)) {
#ifdef INET
if (addr->sa_family == AF_INET) {
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)addr;
if (sin->sin_addr.s_addr != INADDR_ANY) {
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
} else
#endif
#ifdef INET6
if (addr->sa_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)addr;
if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
} else
#endif
{
error = EAFNOSUPPORT;
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
}
if (stcb != NULL) {
if (net) {
encaps->sue_port = net->port;
} else {
encaps->sue_port = stcb->asoc.port;
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
encaps->sue_port = inp->sctp_ep.port;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_udpencaps);
}
break;
}
case SCTP_ECN_SUPPORTED:
{
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.ecn_supported;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = inp->ecn_supported;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_PR_SUPPORTED:
{
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.prsctp_supported;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = inp->prsctp_supported;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_AUTH_SUPPORTED:
{
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.auth_supported;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = inp->auth_supported;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_ASCONF_SUPPORTED:
{
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.asconf_supported;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = inp->asconf_supported;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_RECONFIG_SUPPORTED:
{
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.reconfig_supported;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = inp->reconfig_supported;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_NRSACK_SUPPORTED:
{
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.nrsack_supported;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = inp->nrsack_supported;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_PKTDROP_SUPPORTED:
{
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.pktdrop_supported;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = inp->pktdrop_supported;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_ENABLE_STREAM_RESET:
{
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 = (uint32_t)stcb->asoc.local_strreset_support;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = (uint32_t)inp->local_strreset_support;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
case SCTP_PR_STREAM_STATUS:
{
struct sctp_prstatus *sprstat;
uint16_t sid;
uint16_t policy;
SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize);
SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id);
sid = sprstat->sprstat_sid;
policy = sprstat->sprstat_policy;
#if defined(SCTP_DETAILED_STR_STATS)
if ((stcb != NULL) &&
(sid < stcb->asoc.streamoutcnt) &&
(policy != SCTP_PR_SCTP_NONE) &&
((policy <= SCTP_PR_SCTP_MAX) ||
(policy == SCTP_PR_SCTP_ALL))) {
if (policy == SCTP_PR_SCTP_ALL) {
sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0];
sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0];
} else {
sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy];
sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy];
}
#else
if ((stcb != NULL) &&
(sid < stcb->asoc.streamoutcnt) &&
(policy == SCTP_PR_SCTP_ALL)) {
sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0];
sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0];
#endif
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
if (stcb != NULL) {
SCTP_TCB_UNLOCK(stcb);
}
if (error == 0) {
*optsize = sizeof(struct sctp_prstatus);
}
break;
}
case SCTP_PR_ASSOC_STATUS:
{
struct sctp_prstatus *sprstat;
uint16_t policy;
SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize);
SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id);
policy = sprstat->sprstat_policy;
if ((stcb != NULL) &&
(policy != SCTP_PR_SCTP_NONE) &&
((policy <= SCTP_PR_SCTP_MAX) ||
(policy == SCTP_PR_SCTP_ALL))) {
if (policy == SCTP_PR_SCTP_ALL) {
sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0];
sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0];
} else {
sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy];
sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy];
}
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
if (stcb != NULL) {
SCTP_TCB_UNLOCK(stcb);
}
if (error == 0) {
*optsize = sizeof(struct sctp_prstatus);
}
break;
}
case SCTP_MAX_CWND:
{
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.max_cwnd;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_RLOCK(inp);
av->assoc_value = inp->max_cwnd;
SCTP_INP_RUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
if (error == 0) {
*optsize = sizeof(struct sctp_assoc_value);
}
break;
}
default:
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
error = ENOPROTOOPT;
break;
} /* end switch (sopt->sopt_name) */
if (error) {
*optsize = 0;
}
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 = NULL;
uint32_t vrf_id;
if (optval == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (EINVAL);
}
inp = (struct sctp_inpcb *)so->so_pcb;
if (inp == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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:
/*
* NOTE: we don't really support this flag
*/
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
/* only valid for bound all sockets */
if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) &&
(*mopt != 0)) {
/* forbidden by admin */
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM);
return (EPERM);
}
set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF;
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (EINVAL);
}
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 {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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 = sctp_secs_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_REUSE_PORT:
{
SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
/* Can't set it after we are bound */
error = EINVAL;
break;
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
/* Can't do this for a 1-m socket */
error = EINVAL;
break;
}
if (optval)
sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
else
sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE);
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)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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 {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
break;
}
case SCTP_INTERLEAVING_SUPPORTED:
{
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) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_WLOCK(inp);
if (av->assoc_value == 0) {
inp->idata_supported = 0;
} else {
if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) &&
(sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) {
inp->idata_supported = 1;
} else {
/*
* Must have Frag
* interleave and
* stream interleave
* on
*/
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
SCTP_INP_WUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
break;
}
case SCTP_CMT_ON_OFF:
if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) {
struct sctp_assoc_value *av;
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
if (av->assoc_value > SCTP_CMT_MAX) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
if (stcb) {
stcb->asoc.sctp_cmt_on_off = av->assoc_value;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((av->assoc_id == SCTP_FUTURE_ASSOC) ||
(av->assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
inp->sctp_cmt_on_off = av->assoc_value;
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((av->assoc_id == SCTP_CURRENT_ASSOC) ||
(av->assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
stcb->asoc.sctp_cmt_on_off = av->assoc_value;
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
}
}
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
error = ENOPROTOOPT;
}
break;
case SCTP_PLUGGABLE_CC:
{
struct sctp_assoc_value *av;
struct sctp_nets *net;
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
if ((av->assoc_value != SCTP_CC_RFC2581) &&
(av->assoc_value != SCTP_CC_HSTCP) &&
(av->assoc_value != SCTP_CC_HTCP) &&
(av->assoc_value != SCTP_CC_RTCC)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
if (stcb) {
stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
stcb->asoc.congestion_control_module = av->assoc_value;
if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
}
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((av->assoc_id == SCTP_FUTURE_ASSOC) ||
(av->assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
inp->sctp_ep.sctp_default_cc_module = av->assoc_value;
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((av->assoc_id == SCTP_CURRENT_ASSOC) ||
(av->assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
stcb->asoc.congestion_control_module = av->assoc_value;
if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
}
}
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
}
}
break;
}
case SCTP_CC_OPTION:
{
struct sctp_cc_option *cc_opt;
SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize);
SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
if (stcb == NULL) {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) {
(*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt);
}
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
} else {
error = EINVAL;
}
} else {
if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
error = ENOTSUP;
} else {
error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1,
cc_opt);
}
SCTP_TCB_UNLOCK(stcb);
}
break;
}
case SCTP_PLUGGABLE_SS:
{
struct sctp_assoc_value *av;
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
if ((av->assoc_value != SCTP_SS_DEFAULT) &&
(av->assoc_value != SCTP_SS_ROUND_ROBIN) &&
(av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) &&
(av->assoc_value != SCTP_SS_PRIORITY) &&
(av->assoc_value != SCTP_SS_FAIR_BANDWITH) &&
(av->assoc_value != SCTP_SS_FIRST_COME)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
if (stcb) {
SCTP_TCB_SEND_LOCK(stcb);
stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1);
stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
stcb->asoc.stream_scheduling_module = av->assoc_value;
stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc);
SCTP_TCB_SEND_UNLOCK(stcb);
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((av->assoc_id == SCTP_FUTURE_ASSOC) ||
(av->assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
inp->sctp_ep.sctp_default_ss_module = av->assoc_value;
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((av->assoc_id == SCTP_CURRENT_ASSOC) ||
(av->assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
SCTP_TCB_SEND_LOCK(stcb);
stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1);
stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
stcb->asoc.stream_scheduling_module = av->assoc_value;
stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc);
SCTP_TCB_SEND_UNLOCK(stcb);
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
}
}
break;
}
case SCTP_SS_VALUE:
{
struct sctp_stream_value *av;
SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize);
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
if (stcb) {
if ((av->stream_id >= stcb->asoc.streamoutcnt) ||
(stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
av->stream_value) < 0)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_CURRENT_ASSOC)) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
if (av->stream_id < stcb->asoc.streamoutcnt) {
stcb->asoc.ss_functions.sctp_ss_set_value(stcb,
&stcb->asoc,
&stcb->asoc.strmout[av->stream_id],
av->stream_value);
}
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
} else {
/*
* Can't set stream value without
* association
*/
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
break;
}
case SCTP_CLR_STAT_LOG:
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
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 {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((av->assoc_id == SCTP_FUTURE_ASSOC) ||
(av->assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
inp->sctp_context = av->assoc_value;
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((av->assoc_id == SCTP_CURRENT_ASSOC) ||
(av->assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
stcb->asoc.context = av->assoc_value;
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(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) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
inp->def_vrf_id = *default_vrfid;
break;
}
case SCTP_DEL_VRF_ID:
{
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
error = EOPNOTSUPP;
break;
}
case SCTP_ADD_VRF_ID:
{
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
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 (sack->sack_delay) {
if (sack->sack_delay > SCTP_MAX_SACK_DELAY) {
error = EINVAL;
if (stcb != NULL) {
SCTP_TCB_UNLOCK(stcb);
}
break;
}
}
if (stcb) {
if (sack->sack_delay) {
stcb->asoc.delayed_ack = sack->sack_delay;
}
if (sack->sack_freq) {
stcb->asoc.sack_freq = sack->sack_freq;
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) ||
(sack->sack_assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
if (sack->sack_delay) {
inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay);
}
if (sack->sack_freq) {
inp->sctp_ep.sctp_sack_freq = sack->sack_freq;
}
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) ||
(sack->sack_assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
if (sack->sack_delay) {
stcb->asoc.delayed_ack = sack->sack_delay;
}
if (sack->sack_freq) {
stcb->asoc.sack_freq = sack->sack_freq;
}
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(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)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
} else {
inp->auth_supported = 1;
}
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);
if (sca->sca_keylength == 0) {
size = optsize - sizeof(struct sctp_authkey);
} else {
if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) {
size = sca->sca_keylength;
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
}
SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id);
if (stcb) {
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) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
error = ENOMEM;
SCTP_TCB_UNLOCK(stcb);
break;
}
}
shared_key = sctp_alloc_sharedkey();
if (shared_key == NULL) {
sctp_free_key(key);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
error = ENOMEM;
SCTP_TCB_UNLOCK(stcb);
break;
}
shared_key->key = key;
shared_key->keyid = sca->sca_keynumber;
error = sctp_insert_sharedkey(shared_keys, shared_key);
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) ||
(sca->sca_assoc_id == SCTP_ALL_ASSOC)))) {
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) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
error = ENOMEM;
SCTP_INP_WUNLOCK(inp);
break;
}
}
shared_key = sctp_alloc_sharedkey();
if (shared_key == NULL) {
sctp_free_key(key);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
error = ENOMEM;
SCTP_INP_WUNLOCK(inp);
break;
}
shared_key->key = key;
shared_key->keyid = sca->sca_keynumber;
error = sctp_insert_sharedkey(shared_keys, shared_key);
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) ||
(sca->sca_assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
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) {
SCTP_TCB_UNLOCK(stcb);
continue;
}
}
shared_key = sctp_alloc_sharedkey();
if (shared_key == NULL) {
sctp_free_key(key);
SCTP_TCB_UNLOCK(stcb);
continue;
}
shared_key->key = key;
shared_key->keyid = sca->sca_keynumber;
error = sctp_insert_sharedkey(shared_keys, shared_key);
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
}
}
break;
}
case SCTP_HMAC_IDENT:
{
struct sctp_hmacalgo *shmac;
sctp_hmaclist_t *hmaclist;
uint16_t hmacid;
uint32_t i;
SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize);
if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) ||
(shmac->shmac_number_of_idents > 0xffff)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents);
if (hmaclist == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
error = ENOMEM;
break;
}
for (i = 0; i < shmac->shmac_number_of_idents; i++) {
hmacid = shmac->shmac_idents[i];
if (sctp_auth_add_hmacid(hmaclist, hmacid)) {
/* invalid HMACs were found */ ;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
sctp_free_hmaclist(hmaclist);
goto sctp_set_hmac_done;
}
}
for (i = 0; i < hmaclist->num_algo; i++) {
if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) {
/* already in list */
break;
}
}
if (i == hmaclist->num_algo) {
/* not found in list */
sctp_free_hmaclist(hmaclist);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
SCTP_FROM_SCTP_USRREQ,
EINVAL);
error = EINVAL;
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
(scact->scact_assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
(scact->scact_assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
sctp_auth_setactivekey(stcb, scact->scact_keynumber);
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(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)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
(scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
(scdel->scact_assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
sctp_delete_sharedkey(stcb, scdel->scact_keynumber);
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
}
}
break;
}
case SCTP_AUTH_DEACTIVATE_KEY:
{
struct sctp_authkeyid *keyid;
SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize);
SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id);
/* deactivate the key from the right place */
if (stcb) {
if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
(keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
(keyid->scact_assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
sctp_deact_sharedkey(stcb, keyid->scact_keynumber);
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
}
}
break;
}
case SCTP_ENABLE_STREAM_RESET:
{
struct sctp_assoc_value *av;
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
if (stcb) {
stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((av->assoc_id == SCTP_FUTURE_ASSOC) ||
(av->assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
inp->local_strreset_support = (uint8_t)av->assoc_value;
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((av->assoc_id == SCTP_CURRENT_ASSOC) ||
(av->assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value;
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
}
}
break;
}
case SCTP_RESET_STREAMS:
{
struct sctp_reset_streams *strrst;
int i, send_out = 0;
int send_in = 0;
SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize);
SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id);
if (stcb == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
error = ENOENT;
break;
}
if (stcb->asoc.reconfig_supported == 0) {
/*
* Peer does not support the chunk type.
*/
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
error = EOPNOTSUPP;
SCTP_TCB_UNLOCK(stcb);
break;
}
if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
break;
}
if (sizeof(struct sctp_reset_streams) +
strrst->srs_number_streams * sizeof(uint16_t) > optsize) {
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
break;
}
if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) {
send_in = 1;
if (stcb->asoc.stream_reset_outstanding) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
error = EALREADY;
SCTP_TCB_UNLOCK(stcb);
break;
}
}
if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) {
send_out = 1;
}
if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
error = ENOMEM;
SCTP_TCB_UNLOCK(stcb);
break;
}
if ((send_in == 0) && (send_out == 0)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
break;
}
for (i = 0; i < strrst->srs_number_streams; i++) {
if ((send_in) &&
(strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
if ((send_out) &&
(strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
}
if (error) {
SCTP_TCB_UNLOCK(stcb);
break;
}
if (send_out) {
int cnt;
uint16_t strm;
if (strrst->srs_number_streams) {
for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) {
strm = strrst->srs_stream_list[i];
if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) {
stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING;
cnt++;
}
}
} else {
/* Its all */
for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) {
if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) {
stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING;
cnt++;
}
}
}
}
if (send_in) {
error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams,
strrst->srs_stream_list,
send_in, 0, 0, 0, 0, 0);
} else {
error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED);
}
if (error == 0) {
sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
} else {
/*
* For outgoing streams don't report any
* problems in sending the request to the
* application. XXX: Double check resetting
* incoming streams.
*/
error = 0;
}
SCTP_TCB_UNLOCK(stcb);
break;
}
case SCTP_ADD_STREAMS:
{
struct sctp_add_streams *stradd;
uint8_t addstream = 0;
uint16_t add_o_strmcnt = 0;
uint16_t add_i_strmcnt = 0;
SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize);
SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id);
if (stcb == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
error = ENOENT;
break;
}
if (stcb->asoc.reconfig_supported == 0) {
/*
* Peer does not support the chunk type.
*/
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
error = EOPNOTSUPP;
SCTP_TCB_UNLOCK(stcb);
break;
}
if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
break;
}
if (stcb->asoc.stream_reset_outstanding) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
error = EALREADY;
SCTP_TCB_UNLOCK(stcb);
break;
}
if ((stradd->sas_outstrms == 0) &&
(stradd->sas_instrms == 0)) {
error = EINVAL;
goto skip_stuff;
}
if (stradd->sas_outstrms) {
addstream = 1;
/* We allocate here */
add_o_strmcnt = stradd->sas_outstrms;
if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) {
/* You can't have more than 64k */
error = EINVAL;
goto skip_stuff;
}
}
if (stradd->sas_instrms) {
int cnt;
addstream |= 2;
/*
* We allocate inside
* sctp_send_str_reset_req()
*/
add_i_strmcnt = stradd->sas_instrms;
cnt = add_i_strmcnt;
cnt += stcb->asoc.streamincnt;
if (cnt > 0x0000ffff) {
/* You can't have more than 64k */
error = EINVAL;
goto skip_stuff;
}
if (cnt > (int)stcb->asoc.max_inbound_streams) {
/* More than you are allowed */
error = EINVAL;
goto skip_stuff;
}
}
error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0);
sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
skip_stuff:
SCTP_TCB_UNLOCK(stcb);
break;
}
case SCTP_RESET_ASSOC:
{
int i;
uint32_t *value;
SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value);
if (stcb == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
error = ENOENT;
break;
}
if (stcb->asoc.reconfig_supported == 0) {
/*
* Peer does not support the chunk type.
*/
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
error = EOPNOTSUPP;
SCTP_TCB_UNLOCK(stcb);
break;
}
if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
break;
}
if (stcb->asoc.stream_reset_outstanding) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
error = EALREADY;
SCTP_TCB_UNLOCK(stcb);
break;
}
/*
* Is there any data pending in the send or sent
* queues?
*/
if (!TAILQ_EMPTY(&stcb->asoc.send_queue) ||
!TAILQ_EMPTY(&stcb->asoc.sent_queue)) {
busy_out:
error = EBUSY;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
SCTP_TCB_UNLOCK(stcb);
break;
}
/* Do any streams have data queued? */
for (i = 0; i < stcb->asoc.streamoutcnt; i++) {
if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) {
goto busy_out;
}
}
error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0);
sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
SCTP_TCB_UNLOCK(stcb);
break;
}
case SCTP_CONNECT_X:
if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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))) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
error = sctp_do_connect_x(so, inp, optval, optsize, p, 1);
break;
case SCTP_CONNECT_X_COMPLETE:
{
struct sockaddr *sa;
/* 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);
}
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, NULL, NULL, NULL);
if (stcb == NULL) {
SCTP_INP_DECR_REF(inp);
}
}
if (stcb == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
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_8);
sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
} else {
/*
* already expired or did not use delayed
* connectx
*/
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
error = EALREADY;
}
SCTP_TCB_UNLOCK(stcb);
break;
}
case SCTP_MAX_BURST:
{
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.max_burst = av->assoc_value;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((av->assoc_id == SCTP_FUTURE_ASSOC) ||
(av->assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
inp->sctp_ep.max_burst = av->assoc_value;
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((av->assoc_id == SCTP_CURRENT_ASSOC) ||
(av->assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
stcb->asoc.max_burst = av->assoc_value;
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(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 {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
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);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
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_sender_dry_event) {
sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT);
} else {
sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT);
}
if (events->sctp_stream_reset_event) {
sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
} else {
sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
}
SCTP_INP_WUNLOCK(inp);
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
if (events->sctp_association_event) {
sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
} else {
sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
}
if (events->sctp_address_event) {
sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
} else {
sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
}
if (events->sctp_send_failure_event) {
sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
} else {
sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
}
if (events->sctp_peer_error_event) {
sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
} else {
sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
}
if (events->sctp_shutdown_event) {
sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
} else {
sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
}
if (events->sctp_partial_delivery_event) {
sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
} else {
sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
}
if (events->sctp_adaptation_layer_event) {
sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
} else {
sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
}
if (events->sctp_authentication_event) {
sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
} else {
sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
}
if (events->sctp_sender_dry_event) {
sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
} else {
sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
}
if (events->sctp_stream_reset_event) {
sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
} else {
sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
}
SCTP_TCB_UNLOCK(stcb);
}
/*
* Send up the sender dry event only for 1-to-1
* style sockets.
*/
if (events->sctp_sender_dry_event) {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
stcb = LIST_FIRST(&inp->sctp_asoc_list);
if (stcb) {
SCTP_TCB_LOCK(stcb);
if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
(stcb->asoc.stream_queue_cnt == 0)) {
sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
}
SCTP_TCB_UNLOCK(stcb);
}
}
}
SCTP_INP_RUNLOCK(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;
inp->sctp_ep.adaptation_layer_indicator_provided = 1;
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 {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) ||
(s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send)));
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) ||
(s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
}
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
}
}
break;
}
case SCTP_PEER_ADDR_PARAMS:
{
struct sctp_paddrparams *paddrp;
struct sctp_nets *net;
struct sockaddr *addr;
#if defined(INET) && defined(INET6)
struct sockaddr_in sin_store;
#endif
SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize);
SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
#if defined(INET) && defined(INET6)
if (paddrp->spp_address.ss_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)&paddrp->spp_address;
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
in6_sin6_2_sin(&sin_store, sin6);
addr = (struct sockaddr *)&sin_store;
} else {
addr = (struct sockaddr *)&paddrp->spp_address;
}
} else {
addr = (struct sockaddr *)&paddrp->spp_address;
}
#else
addr = (struct sockaddr *)&paddrp->spp_address;
#endif
if (stcb != NULL) {
net = sctp_findnet(stcb, 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.
*/
net = NULL;
SCTP_INP_INCR_REF(inp);
stcb = sctp_findassociation_ep_addr(&inp, addr,
&net, NULL, NULL);
if (stcb == NULL) {
SCTP_INP_DECR_REF(inp);
}
}
if ((stcb != NULL) && (net == NULL)) {
#ifdef INET
if (addr->sa_family == AF_INET) {
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)addr;
if (sin->sin_addr.s_addr != INADDR_ANY) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
SCTP_TCB_UNLOCK(stcb);
error = EINVAL;
break;
}
} else
#endif
#ifdef INET6
if (addr->sa_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)addr;
if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
SCTP_TCB_UNLOCK(stcb);
error = EINVAL;
break;
}
} else
#endif
{
error = EAFNOSUPPORT;
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
}
/* sanity checks */
if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) {
if (stcb)
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (EINVAL);
}
if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) {
if (stcb)
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (EINVAL);
}
if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) &&
(paddrp->spp_pathmtu > 0) &&
((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) ||
(paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) {
if (stcb)
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (EINVAL);
}
if (stcb != NULL) {
/************************TCB SPECIFIC SET ******************/
if (net != NULL) {
/************************NET SPECIFIC SET ******************/
if (paddrp->spp_flags & SPP_HB_DISABLE) {
if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) &&
!(net->dest_state & SCTP_ADDR_NOHB)) {
sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9);
}
net->dest_state |= SCTP_ADDR_NOHB;
}
if (paddrp->spp_flags & SPP_HB_ENABLE) {
if (paddrp->spp_hbinterval) {
net->heart_beat_delay = paddrp->spp_hbinterval;
} else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
net->heart_beat_delay = 0;
}
sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
net->dest_state &= ~SCTP_ADDR_NOHB;
}
if (paddrp->spp_flags & SPP_HB_DEMAND) {
if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) {
sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED);
sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
}
}
if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
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_11);
}
net->dest_state |= SCTP_ADDR_NO_PMTUD;
if (paddrp->spp_pathmtu > 0) {
net->mtu = paddrp->spp_pathmtu;
switch (net->ro._l_addr.sa.sa_family) {
#ifdef INET
case AF_INET:
net->mtu += SCTP_MIN_V4_OVERHEAD;
break;
#endif
#ifdef INET6
case AF_INET6:
net->mtu += SCTP_MIN_OVERHEAD;
break;
#endif
default:
break;
}
if (net->mtu < stcb->asoc.smallest_mtu) {
sctp_pathmtu_adjustment(stcb, 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);
}
net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
}
if (paddrp->spp_pathmaxrxt > 0) {
if (net->dest_state & SCTP_ADDR_PF) {
if (net->error_count > paddrp->spp_pathmaxrxt) {
net->dest_state &= ~SCTP_ADDR_PF;
}
} else {
if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
(net->error_count > net->pf_threshold)) {
net->dest_state |= SCTP_ADDR_PF;
sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
stcb->sctp_ep, stcb, net,
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12);
sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
}
}
if (net->dest_state & SCTP_ADDR_REACHABLE) {
if (net->error_count > paddrp->spp_pathmaxrxt) {
net->dest_state &= ~SCTP_ADDR_REACHABLE;
sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
}
} else {
if (net->error_count <= paddrp->spp_pathmaxrxt) {
net->dest_state |= SCTP_ADDR_REACHABLE;
sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
}
}
net->failure_threshold = paddrp->spp_pathmaxrxt;
}
if (paddrp->spp_flags & SPP_DSCP) {
net->dscp = paddrp->spp_dscp & 0xfc;
net->dscp |= 0x01;
}
#ifdef INET6
if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
if (net->ro._l_addr.sa.sa_family == AF_INET6) {
net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
net->flowlabel |= 0x80000000;
}
}
#endif
} else {
/************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/
if (paddrp->spp_pathmaxrxt > 0) {
stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt;
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
if (net->dest_state & SCTP_ADDR_PF) {
if (net->error_count > paddrp->spp_pathmaxrxt) {
net->dest_state &= ~SCTP_ADDR_PF;
}
} else {
if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
(net->error_count > net->pf_threshold)) {
net->dest_state |= SCTP_ADDR_PF;
sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
stcb->sctp_ep, stcb, net,
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13);
sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
}
}
if (net->dest_state & SCTP_ADDR_REACHABLE) {
if (net->error_count > paddrp->spp_pathmaxrxt) {
net->dest_state &= ~SCTP_ADDR_REACHABLE;
sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
}
} else {
if (net->error_count <= paddrp->spp_pathmaxrxt) {
net->dest_state |= SCTP_ADDR_REACHABLE;
sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
}
}
net->failure_threshold = paddrp->spp_pathmaxrxt;
}
}
if (paddrp->spp_flags & SPP_HB_ENABLE) {
if (paddrp->spp_hbinterval != 0) {
stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval;
} else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
stcb->asoc.heart_beat_delay = 0;
}
/* Turn back on the timer */
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
if (paddrp->spp_hbinterval != 0) {
net->heart_beat_delay = paddrp->spp_hbinterval;
} else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
net->heart_beat_delay = 0;
}
if (net->dest_state & SCTP_ADDR_NOHB) {
net->dest_state &= ~SCTP_ADDR_NOHB;
}
sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14);
sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
}
sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
}
if (paddrp->spp_flags & SPP_HB_DISABLE) {
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
if (!(net->dest_state & SCTP_ADDR_NOHB)) {
net->dest_state |= SCTP_ADDR_NOHB;
if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
inp, stcb, net,
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15);
}
}
}
sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
}
if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
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_16);
}
net->dest_state |= SCTP_ADDR_NO_PMTUD;
if (paddrp->spp_pathmtu > 0) {
net->mtu = paddrp->spp_pathmtu;
switch (net->ro._l_addr.sa.sa_family) {
#ifdef INET
case AF_INET:
net->mtu += SCTP_MIN_V4_OVERHEAD;
break;
#endif
#ifdef INET6
case AF_INET6:
net->mtu += SCTP_MIN_OVERHEAD;
break;
#endif
default:
break;
}
if (net->mtu < stcb->asoc.smallest_mtu) {
sctp_pathmtu_adjustment(stcb, net->mtu);
}
}
}
if (paddrp->spp_pathmtu > 0) {
stcb->asoc.default_mtu = paddrp->spp_pathmtu;
}
sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
}
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);
}
net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
}
stcb->asoc.default_mtu = 0;
sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
}
if (paddrp->spp_flags & SPP_DSCP) {
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
net->dscp = paddrp->spp_dscp & 0xfc;
net->dscp |= 0x01;
}
stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc;
stcb->asoc.default_dscp |= 0x01;
}
#ifdef INET6
if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
if (net->ro._l_addr.sa.sa_family == AF_INET6) {
net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
net->flowlabel |= 0x80000000;
}
}
stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
stcb->asoc.default_flowlabel |= 0x80000000;
}
#endif
}
SCTP_TCB_UNLOCK(stcb);
} else {
/************************NO TCB, SET TO default stuff ******************/
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_WLOCK(inp);
/*
* For the TOS/FLOWLABEL stuff you
* set it with the options on the
* socket
*/
if (paddrp->spp_pathmaxrxt > 0) {
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 != 0) {
if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL)
paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL;
inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval);
}
if (paddrp->spp_flags & SPP_HB_ENABLE) {
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] = sctp_msecs_to_ticks(paddrp->spp_hbinterval);
}
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);
}
if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
inp->sctp_ep.default_mtu = 0;
sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
} else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
if (paddrp->spp_pathmtu > 0) {
inp->sctp_ep.default_mtu = paddrp->spp_pathmtu;
}
sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
}
if (paddrp->spp_flags & SPP_DSCP) {
inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc;
inp->sctp_ep.default_dscp |= 0x01;
}
#ifdef INET6
if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
inp->sctp_ep.default_flowlabel |= 0x80000000;
}
}
#endif
SCTP_INP_WUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
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 {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) {
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 {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
SCTP_INP_WUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
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 (sasoc->sasoc_cookie_life > 0) {
/* boundary check the cookie life */
if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) {
sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE;
}
if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) {
sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE;
}
}
if (stcb) {
if (sasoc->sasoc_asocmaxrxt > 0) {
stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
}
if (sasoc->sasoc_cookie_life > 0) {
stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life);
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_WLOCK(inp);
if (sasoc->sasoc_asocmaxrxt > 0) {
inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
}
if (sasoc->sasoc_cookie_life > 0) {
inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life);
}
SCTP_INP_WUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
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;
struct sockaddr *addr;
#if defined(INET) && defined(INET6)
struct sockaddr_in sin_store;
#endif
SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize);
SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id);
#if defined(INET) && defined(INET6)
if (spa->ssp_addr.ss_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)&spa->ssp_addr;
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
in6_sin6_2_sin(&sin_store, sin6);
addr = (struct sockaddr *)&sin_store;
} else {
addr = (struct sockaddr *)&spa->ssp_addr;
}
} else {
addr = (struct sockaddr *)&spa->ssp_addr;
}
#else
addr = (struct sockaddr *)&spa->ssp_addr;
#endif
if (stcb != NULL) {
net = sctp_findnet(stcb, 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.
*/
net = NULL;
SCTP_INP_INCR_REF(inp);
stcb = sctp_findassociation_ep_addr(&inp, addr,
&net, NULL, NULL);
if (stcb == NULL) {
SCTP_INP_DECR_REF(inp);
}
}
if ((stcb != NULL) && (net != NULL)) {
if (net != stcb->asoc.primary_destination) {
if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
/* Ok we need to set it */
if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) {
if ((stcb->asoc.alternate) &&
(!(net->dest_state & SCTP_ADDR_PF)) &&
(net->dest_state & SCTP_ADDR_REACHABLE)) {
sctp_free_remote_addr(stcb->asoc.alternate);
stcb->asoc.alternate = NULL;
}
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
if (stcb != NULL) {
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;
struct sockaddr *addr;
#if defined(INET) && defined(INET6)
struct sockaddr_in sin_store;
#endif
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;
#if defined(INET) && defined(INET6)
if (sspp->sspp_addr.ss_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr;
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
in6_sin6_2_sin(&sin_store, sin6);
addr = (struct sockaddr *)&sin_store;
} else {
addr = (struct sockaddr *)&sspp->sspp_addr;
}
} else {
addr = (struct sockaddr *)&sspp->sspp_addr;
}
#else
addr = (struct sockaddr *)&sspp->sspp_addr;
#endif
ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED);
if (ifa == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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",
__func__);
continue;
}
if ((sctp_is_addr_restricted(stcb, laddr->ifa)) &&
(!sctp_is_addr_pending(stcb, laddr->ifa))) {
continue;
}
if (laddr->ifa == ifa) {
found = 1;
break;
}
}
if (!found) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
goto out_of_it;
}
} else {
switch (addr->sa_family) {
#ifdef INET
case AF_INET:
{
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)addr;
if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
&sin->sin_addr) != 0) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
goto out_of_it;
}
break;
}
#endif
#ifdef INET6
case AF_INET6:
{
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)addr;
if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
&sin6->sin6_addr) != 0) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
goto out_of_it;
}
break;
}
#endif
default:
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
goto out_of_it;
}
}
if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED);
out_of_it:
SCTP_TCB_UNLOCK(stcb);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
break;
}
case SCTP_BINDX_ADD_ADDR:
{
struct sockaddr *sa;
struct thread *td;
td = (struct thread *)p;
SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
#ifdef INET
if (sa->sa_family == AF_INET) {
if (optsize < sizeof(struct sockaddr_in)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
if (td != NULL &&
(error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) {
SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
} else
#endif
#ifdef INET6
if (sa->sa_family == AF_INET6) {
if (optsize < sizeof(struct sockaddr_in6)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
if (td != NULL &&
(error = prison_local_ip6(td->td_ucred,
&(((struct sockaddr_in6 *)sa)->sin6_addr),
(SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
} else
#endif
{
error = EAFNOSUPPORT;
break;
}
sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p);
break;
}
case SCTP_BINDX_REM_ADDR:
{
struct sockaddr *sa;
struct thread *td;
td = (struct thread *)p;
SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
#ifdef INET
if (sa->sa_family == AF_INET) {
if (optsize < sizeof(struct sockaddr_in)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
if (td != NULL &&
(error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) {
SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
} else
#endif
#ifdef INET6
if (sa->sa_family == AF_INET6) {
if (optsize < sizeof(struct sockaddr_in6)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
if (td != NULL &&
(error = prison_local_ip6(td->td_ucred,
&(((struct sockaddr_in6 *)sa)->sin6_addr),
(SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
} else
#endif
{
error = EAFNOSUPPORT;
break;
}
sctp_bindx_delete_address(inp, sa, vrf_id, &error);
break;
}
case SCTP_EVENT:
{
struct sctp_event *event;
uint32_t event_type;
SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize);
SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
switch (event->se_type) {
case SCTP_ASSOC_CHANGE:
event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
break;
case SCTP_PEER_ADDR_CHANGE:
event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
break;
case SCTP_REMOTE_ERROR:
event_type = SCTP_PCB_FLAGS_RECVPEERERR;
break;
case SCTP_SEND_FAILED:
event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
break;
case SCTP_SHUTDOWN_EVENT:
event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
break;
case SCTP_ADAPTATION_INDICATION:
event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
break;
case SCTP_PARTIAL_DELIVERY_EVENT:
event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
break;
case SCTP_AUTHENTICATION_EVENT:
event_type = SCTP_PCB_FLAGS_AUTHEVNT;
break;
case SCTP_STREAM_RESET_EVENT:
event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
break;
case SCTP_SENDER_DRY_EVENT:
event_type = SCTP_PCB_FLAGS_DRYEVNT;
break;
case SCTP_NOTIFICATIONS_STOPPED_EVENT:
event_type = 0;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
error = ENOTSUP;
break;
case SCTP_ASSOC_RESET_EVENT:
event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
break;
case SCTP_STREAM_CHANGE_EVENT:
event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
break;
case SCTP_SEND_FAILED_EVENT:
event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
break;
default:
event_type = 0;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
if (event_type > 0) {
if (stcb) {
if (event->se_on) {
sctp_stcb_feature_on(inp, stcb, event_type);
if (event_type == SCTP_PCB_FLAGS_DRYEVNT) {
if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
(stcb->asoc.stream_queue_cnt == 0)) {
sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
}
}
} else {
sctp_stcb_feature_off(inp, stcb, event_type);
}
SCTP_TCB_UNLOCK(stcb);
} else {
/*
* We don't want to send up a storm
* of events, so return an error for
* sender dry events
*/
if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) &&
(inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((event->se_assoc_id == SCTP_ALL_ASSOC) ||
(event->se_assoc_id == SCTP_CURRENT_ASSOC))) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
error = ENOTSUP;
break;
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((event->se_assoc_id == SCTP_FUTURE_ASSOC) ||
(event->se_assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
if (event->se_on) {
sctp_feature_on(inp, event_type);
} else {
sctp_feature_off(inp, event_type);
}
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((event->se_assoc_id == SCTP_CURRENT_ASSOC) ||
(event->se_assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
if (event->se_on) {
sctp_stcb_feature_on(inp, stcb, event_type);
} else {
sctp_stcb_feature_off(inp, stcb, event_type);
}
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
}
}
} else {
if (stcb) {
SCTP_TCB_UNLOCK(stcb);
}
}
break;
}
case SCTP_RECVRCVINFO:
{
int *onoff;
SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
SCTP_INP_WLOCK(inp);
if (*onoff != 0) {
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
} else {
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
}
SCTP_INP_WUNLOCK(inp);
break;
}
case SCTP_RECVNXTINFO:
{
int *onoff;
SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
SCTP_INP_WLOCK(inp);
if (*onoff != 0) {
sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
} else {
sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
}
SCTP_INP_WUNLOCK(inp);
break;
}
case SCTP_DEFAULT_SNDINFO:
{
struct sctp_sndinfo *info;
uint16_t policy;
SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize);
SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
if (stcb) {
if (info->snd_sid < stcb->asoc.streamoutcnt) {
stcb->asoc.def_send.sinfo_stream = info->snd_sid;
policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
stcb->asoc.def_send.sinfo_flags = info->snd_flags;
stcb->asoc.def_send.sinfo_flags |= policy;
stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
stcb->asoc.def_send.sinfo_context = info->snd_context;
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((info->snd_assoc_id == SCTP_FUTURE_ASSOC) ||
(info->snd_assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
inp->def_send.sinfo_stream = info->snd_sid;
policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
inp->def_send.sinfo_flags = info->snd_flags;
inp->def_send.sinfo_flags |= policy;
inp->def_send.sinfo_ppid = info->snd_ppid;
inp->def_send.sinfo_context = info->snd_context;
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((info->snd_assoc_id == SCTP_CURRENT_ASSOC) ||
(info->snd_assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
if (info->snd_sid < stcb->asoc.streamoutcnt) {
stcb->asoc.def_send.sinfo_stream = info->snd_sid;
policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
stcb->asoc.def_send.sinfo_flags = info->snd_flags;
stcb->asoc.def_send.sinfo_flags |= policy;
stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
stcb->asoc.def_send.sinfo_context = info->snd_context;
}
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
}
}
break;
}
case SCTP_DEFAULT_PRINFO:
{
struct sctp_default_prinfo *info;
SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize);
SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
if (info->pr_policy > SCTP_PR_SCTP_MAX) {
if (stcb) {
SCTP_TCB_UNLOCK(stcb);
}
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
break;
}
if (stcb) {
stcb->asoc.def_send.sinfo_flags &= 0xfff0;
stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((info->pr_assoc_id == SCTP_FUTURE_ASSOC) ||
(info->pr_assoc_id == SCTP_ALL_ASSOC)))) {
SCTP_INP_WLOCK(inp);
inp->def_send.sinfo_flags &= 0xfff0;
inp->def_send.sinfo_flags |= info->pr_policy;
inp->def_send.sinfo_timetolive = info->pr_value;
SCTP_INP_WUNLOCK(inp);
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
((info->pr_assoc_id == SCTP_CURRENT_ASSOC) ||
(info->pr_assoc_id == SCTP_ALL_ASSOC))) {
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
stcb->asoc.def_send.sinfo_flags &= 0xfff0;
stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
}
}
break;
}
case SCTP_PEER_ADDR_THLDS:
/* Applies to the specific association */
{
struct sctp_paddrthlds *thlds;
struct sctp_nets *net;
struct sockaddr *addr;
#if defined(INET) && defined(INET6)
struct sockaddr_in sin_store;
#endif
SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize);
SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
#if defined(INET) && defined(INET6)
if (thlds->spt_address.ss_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)&thlds->spt_address;
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
in6_sin6_2_sin(&sin_store, sin6);
addr = (struct sockaddr *)&sin_store;
} else {
addr = (struct sockaddr *)&thlds->spt_address;
}
} else {
addr = (struct sockaddr *)&thlds->spt_address;
}
#else
addr = (struct sockaddr *)&thlds->spt_address;
#endif
if (stcb != NULL) {
net = sctp_findnet(stcb, 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.
*/
net = NULL;
SCTP_INP_INCR_REF(inp);
stcb = sctp_findassociation_ep_addr(&inp, addr,
&net, NULL, NULL);
if (stcb == NULL) {
SCTP_INP_DECR_REF(inp);
}
}
if ((stcb != NULL) && (net == NULL)) {
#ifdef INET
if (addr->sa_family == AF_INET) {
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)addr;
if (sin->sin_addr.s_addr != INADDR_ANY) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
SCTP_TCB_UNLOCK(stcb);
error = EINVAL;
break;
}
} else
#endif
#ifdef INET6
if (addr->sa_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)addr;
if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
SCTP_TCB_UNLOCK(stcb);
error = EINVAL;
break;
}
} else
#endif
{
error = EAFNOSUPPORT;
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
}
if (thlds->spt_pathcpthld != 0xffff) {
if (stcb != NULL) {
SCTP_TCB_UNLOCK(stcb);
}
error = EINVAL;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
if (stcb != NULL) {
if (net != NULL) {
net->failure_threshold = thlds->spt_pathmaxrxt;
net->pf_threshold = thlds->spt_pathpfthld;
if (net->dest_state & SCTP_ADDR_PF) {
if ((net->error_count > net->failure_threshold) ||
(net->error_count <= net->pf_threshold)) {
net->dest_state &= ~SCTP_ADDR_PF;
}
} else {
if ((net->error_count > net->pf_threshold) &&
(net->error_count <= net->failure_threshold)) {
net->dest_state |= SCTP_ADDR_PF;
sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
stcb->sctp_ep, stcb, net,
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17);
sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
}
}
if (net->dest_state & SCTP_ADDR_REACHABLE) {
if (net->error_count > net->failure_threshold) {
net->dest_state &= ~SCTP_ADDR_REACHABLE;
sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
}
} else {
if (net->error_count <= net->failure_threshold) {
net->dest_state |= SCTP_ADDR_REACHABLE;
sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
}
}
} else {
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
net->failure_threshold = thlds->spt_pathmaxrxt;
net->pf_threshold = thlds->spt_pathpfthld;
if (net->dest_state & SCTP_ADDR_PF) {
if ((net->error_count > net->failure_threshold) ||
(net->error_count <= net->pf_threshold)) {
net->dest_state &= ~SCTP_ADDR_PF;
}
} else {
if ((net->error_count > net->pf_threshold) &&
(net->error_count <= net->failure_threshold)) {
net->dest_state |= SCTP_ADDR_PF;
sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
stcb->sctp_ep, stcb, net,
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18);
sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
}
}
if (net->dest_state & SCTP_ADDR_REACHABLE) {
if (net->error_count > net->failure_threshold) {
net->dest_state &= ~SCTP_ADDR_REACHABLE;
sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
}
} else {
if (net->error_count <= net->failure_threshold) {
net->dest_state |= SCTP_ADDR_REACHABLE;
sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
}
}
}
stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt;
stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld;
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_WLOCK(inp);
inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt;
inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld;
SCTP_INP_WUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
break;
}
case SCTP_REMOTE_UDP_ENCAPS_PORT:
{
struct sctp_udpencaps *encaps;
struct sctp_nets *net;
struct sockaddr *addr;
#if defined(INET) && defined(INET6)
struct sockaddr_in sin_store;
#endif
SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize);
SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
#if defined(INET) && defined(INET6)
if (encaps->sue_address.ss_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)&encaps->sue_address;
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
in6_sin6_2_sin(&sin_store, sin6);
addr = (struct sockaddr *)&sin_store;
} else {
addr = (struct sockaddr *)&encaps->sue_address;
}
} else {
addr = (struct sockaddr *)&encaps->sue_address;
}
#else
addr = (struct sockaddr *)&encaps->sue_address;
#endif
if (stcb != NULL) {
net = sctp_findnet(stcb, 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.
*/
net = NULL;
SCTP_INP_INCR_REF(inp);
stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
if (stcb == NULL) {
SCTP_INP_DECR_REF(inp);
}
}
if ((stcb != NULL) && (net == NULL)) {
#ifdef INET
if (addr->sa_family == AF_INET) {
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)addr;
if (sin->sin_addr.s_addr != INADDR_ANY) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
SCTP_TCB_UNLOCK(stcb);
error = EINVAL;
break;
}
} else
#endif
#ifdef INET6
if (addr->sa_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)addr;
if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
SCTP_TCB_UNLOCK(stcb);
error = EINVAL;
break;
}
} else
#endif
{
error = EAFNOSUPPORT;
SCTP_TCB_UNLOCK(stcb);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
break;
}
}
if (stcb != NULL) {
if (net != NULL) {
net->port = encaps->sue_port;
} else {
stcb->asoc.port = encaps->sue_port;
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_WLOCK(inp);
inp->sctp_ep.port = encaps->sue_port;
SCTP_INP_WUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
break;
}
case SCTP_ECN_SUPPORTED:
{
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) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_WLOCK(inp);
if (av->assoc_value == 0) {
inp->ecn_supported = 0;
} else {
inp->ecn_supported = 1;
}
SCTP_INP_WUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
break;
}
case SCTP_PR_SUPPORTED:
{
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) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_WLOCK(inp);
if (av->assoc_value == 0) {
inp->prsctp_supported = 0;
} else {
inp->prsctp_supported = 1;
}
SCTP_INP_WUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
break;
}
case SCTP_AUTH_SUPPORTED:
{
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) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
if ((av->assoc_value == 0) &&
(inp->asconf_supported == 1)) {
/*
* AUTH is required for
* ASCONF
*/
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
} else {
SCTP_INP_WLOCK(inp);
if (av->assoc_value == 0) {
inp->auth_supported = 0;
} else {
inp->auth_supported = 1;
}
SCTP_INP_WUNLOCK(inp);
}
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
break;
}
case SCTP_ASCONF_SUPPORTED:
{
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) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
if ((av->assoc_value != 0) &&
(inp->auth_supported == 0)) {
/*
* AUTH is required for
* ASCONF
*/
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
} else {
SCTP_INP_WLOCK(inp);
if (av->assoc_value == 0) {
inp->asconf_supported = 0;
sctp_auth_delete_chunk(SCTP_ASCONF,
inp->sctp_ep.local_auth_chunks);
sctp_auth_delete_chunk(SCTP_ASCONF_ACK,
inp->sctp_ep.local_auth_chunks);
} else {
inp->asconf_supported = 1;
sctp_auth_add_chunk(SCTP_ASCONF,
inp->sctp_ep.local_auth_chunks);
sctp_auth_add_chunk(SCTP_ASCONF_ACK,
inp->sctp_ep.local_auth_chunks);
}
SCTP_INP_WUNLOCK(inp);
}
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
break;
}
case SCTP_RECONFIG_SUPPORTED:
{
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) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_WLOCK(inp);
if (av->assoc_value == 0) {
inp->reconfig_supported = 0;
} else {
inp->reconfig_supported = 1;
}
SCTP_INP_WUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
break;
}
case SCTP_NRSACK_SUPPORTED:
{
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) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_WLOCK(inp);
if (av->assoc_value == 0) {
inp->nrsack_supported = 0;
} else {
inp->nrsack_supported = 1;
}
SCTP_INP_WUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
break;
}
case SCTP_PKTDROP_SUPPORTED:
{
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) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_WLOCK(inp);
if (av->assoc_value == 0) {
inp->pktdrop_supported = 0;
} else {
inp->pktdrop_supported = 1;
}
SCTP_INP_WUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
break;
}
case SCTP_MAX_CWND:
{
struct sctp_assoc_value *av;
struct sctp_nets *net;
SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
if (stcb) {
stcb->asoc.max_cwnd = av->assoc_value;
if (stcb->asoc.max_cwnd > 0) {
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
if ((net->cwnd > stcb->asoc.max_cwnd) &&
(net->cwnd > (net->mtu - sizeof(struct sctphdr)))) {
net->cwnd = stcb->asoc.max_cwnd;
if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) {
net->cwnd = net->mtu - sizeof(struct sctphdr);
}
}
}
}
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
(av->assoc_id == SCTP_FUTURE_ASSOC))) {
SCTP_INP_WLOCK(inp);
inp->max_cwnd = av->assoc_value;
SCTP_INP_WUNLOCK(inp);
} else {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
}
}
break;
}
default:
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
error = ENOPROTOOPT;
break;
} /* end switch (opt) */
return (error);
}
int
sctp_ctloutput(struct socket *so, struct sockopt *sopt)
{
struct epoch_tracker et;
struct sctp_inpcb *inp;
void *optval = NULL;
void *p;
size_t optsize = 0;
int error = 0;
if ((sopt->sopt_level == SOL_SOCKET) &&
(sopt->sopt_name == SO_SETFIB)) {
inp = (struct sctp_inpcb *)so->so_pcb;
if (inp == NULL) {
SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
return (EINVAL);
}
SCTP_INP_WLOCK(inp);
inp->fibnum = so->so_fibnum;
SCTP_INP_WUNLOCK(inp);
return (0);
}
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);
#endif /* INET6 */
#if defined(INET) && defined(INET6)
else
#endif
#ifdef INET
error = ip_ctloutput(so, sopt);
#endif
return (error);
}
optsize = sopt->sopt_valsize;
if (optsize > SCTP_SOCKET_OPTION_LIMIT) {
SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
return (ENOBUFS);
}
if (optsize) {
SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT);
if (optval == NULL) {
SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
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) {
NET_EPOCH_ENTER(et);
error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p);
NET_EPOCH_EXIT(et);
} else if (sopt->sopt_dir == SOPT_GET) {
error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p);
} else {
SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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);
}
#ifdef INET
static int
sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
{
struct epoch_tracker et;
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 == NULL) {
/* I made the same as TCP since we are not setup? */
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (ECONNRESET);
}
if (addr == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return EINVAL;
}
switch (addr->sa_family) {
#ifdef INET6
case AF_INET6:
{
struct sockaddr_in6 *sin6;
if (addr->sa_len != sizeof(struct sockaddr_in6)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (EINVAL);
}
sin6 = (struct sockaddr_in6 *)addr;
if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
return (error);
}
break;
}
#endif
#ifdef INET
case AF_INET:
{
struct sockaddr_in *sin;
if (addr->sa_len != sizeof(struct sockaddr_in)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (EINVAL);
}
sin = (struct sockaddr_in *)addr;
if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
return (error);
}
break;
}
#endif
default:
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
return (EAFNOSUPPORT);
}
SCTP_INP_INCR_REF(inp);
SCTP_ASOC_CREATE_LOCK(inp);
create_lock_on = 1;
NET_EPOCH_ENTER(et);
if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
/* Should I really unlock ? */
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
error = EFAULT;
goto out_now;
}
#ifdef INET6
if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
(addr->sa_family == AF_INET6)) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
error = EINVAL;
goto out_now;
}
#endif
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) &&
(sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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 */
SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
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()
* will 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_UNLOCK(stcb);
}
}
if (stcb != NULL) {
/* Already have or am bring up an association */
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
error = EALREADY;
goto out_now;
}
vrf_id = inp->def_vrf_id;
/* We are GOOD to go */
stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id,
inp->sctp_ep.pre_open_stream_count,
inp->sctp_ep.port, p,
SCTP_INITIALIZE_AUTH_PARAMS);
if (stcb == NULL) {
/* Gak! no memory */
goto out_now;
}
SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT);
(void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
SCTP_TCB_UNLOCK(stcb);
out_now:
NET_EPOCH_EXIT(et);
if (create_lock_on) {
SCTP_ASOC_CREATE_UNLOCK(inp);
}
SCTP_INP_DECR_REF(inp);
return (error);
}
#endif
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 == NULL) {
/* I made the same as TCP since we are not setup? */
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (ECONNRESET);
}
if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) {
/* See if we have a listener */
struct sctp_inpcb *tinp;
union sctp_sockstore store;
if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
/* not bound all */
struct sctp_laddr *laddr;
LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
memcpy(&store, &laddr->ifa->address, sizeof(store));
switch (store.sa.sa_family) {
#ifdef INET
case AF_INET:
store.sin.sin_port = inp->sctp_lport;
break;
#endif
#ifdef INET6
case AF_INET6:
store.sin6.sin6_port = inp->sctp_lport;
break;
#endif
default:
break;
}
tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id);
if (tinp && (tinp != inp) &&
((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
(SCTP_IS_LISTENING(tinp))) {
/*
* we have a listener already and
* its not this inp.
*/
SCTP_INP_DECR_REF(tinp);
return (EADDRINUSE);
} else if (tinp) {
SCTP_INP_DECR_REF(tinp);
}
}
} else {
/* Setup a local addr bound all */
memset(&store, 0, sizeof(store));
#ifdef INET6
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
store.sa.sa_family = AF_INET6;
store.sa.sa_len = sizeof(struct sockaddr_in6);
}
#endif
#ifdef INET
if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {
store.sa.sa_family = AF_INET;
store.sa.sa_len = sizeof(struct sockaddr_in);
}
#endif
switch (store.sa.sa_family) {
#ifdef INET
case AF_INET:
store.sin.sin_port = inp->sctp_lport;
break;
#endif
#ifdef INET6
case AF_INET6:
store.sin6.sin6_port = inp->sctp_lport;
break;
#endif
default:
break;
}
tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id);
if (tinp && (tinp != inp) &&
((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
(SCTP_IS_LISTENING(tinp))) {
/*
* we have a listener already and its not
* this inp.
*/
SCTP_INP_DECR_REF(tinp);
return (EADDRINUSE);
} else if (tinp) {
SCTP_INP_DECR_REF(tinp);
}
}
}
SCTP_INP_INFO_WLOCK();
SCTP_INP_WLOCK(inp);
#ifdef SCTP_LOCK_LOGGING
if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) {
sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
}
#endif
if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
/*
* The unlucky case - We are in the tcp pool with this guy.
* - Someone else is in the main inp slot. - We must move
* this guy (the listener) to the main slot - We must then
* move the guy that was listener to the TCP Pool.
*/
if (sctp_swap_inpcb_for_listen(inp)) {
error = EADDRINUSE;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
goto out;
}
}
SOCK_LOCK(so);
error = solisten_proto_check(so);
if (error) {
SOCK_UNLOCK(so);
goto out;
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
(inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
SOCK_UNLOCK(so);
solisten_proto_abort(so);
error = EADDRINUSE;
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
goto out;
}
if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
if ((error = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) {
SOCK_UNLOCK(so);
solisten_proto_abort(so);
/* bind error, probably perm */
goto out;
}
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) {
solisten_proto(so, backlog);
SOCK_UNLOCK(so);
inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING;
} else {
solisten_proto_abort(so);
SOCK_UNLOCK(so);
if (backlog > 0) {
inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING;
} else {
inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING;
}
}
out:
SCTP_INP_WUNLOCK(inp);
SCTP_INP_INFO_WUNLOCK();
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;
#ifdef INET6
int error;
#endif
inp = (struct sctp_inpcb *)so->so_pcb;
if (inp == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (ECONNRESET);
}
SCTP_INP_WLOCK(inp);
if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
SCTP_INP_WUNLOCK(inp);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
return (EOPNOTSUPP);
}
if (so->so_state & SS_ISDISCONNECTED) {
SCTP_INP_WUNLOCK(inp);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED);
return (ECONNABORTED);
}
stcb = LIST_FIRST(&inp->sctp_asoc_list);
if (stcb == NULL) {
SCTP_INP_WUNLOCK(inp);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
return (ECONNRESET);
}
SCTP_TCB_LOCK(stcb);
store = stcb->asoc.primary_destination->ro._l_addr;
SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE);
/* Wake any delayed sleep action */
if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
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);
}
}
if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
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_WUNLOCK(inp);
if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19);
} else {
SCTP_TCB_UNLOCK(stcb);
}
switch (store.sa.sa_family) {
#ifdef INET
case AF_INET:
{
struct sockaddr_in *sin;
SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
if (sin == NULL)
return (ENOMEM);
sin->sin_family = AF_INET;
sin->sin_len = sizeof(*sin);
sin->sin_port = store.sin.sin_port;
sin->sin_addr = store.sin.sin_addr;
*addr = (struct sockaddr *)sin;
break;
}
#endif
#ifdef INET6
case AF_INET6:
{
struct sockaddr_in6 *sin6;
SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
if (sin6 == NULL)
return (ENOMEM);
sin6->sin6_family = AF_INET6;
sin6->sin6_len = sizeof(*sin6);
sin6->sin6_port = store.sin6.sin6_port;
sin6->sin6_addr = store.sin6.sin6_addr;
if ((error = sa6_recoverscope(sin6)) != 0) {
SCTP_FREE_SONAME(sin6);
return (error);
}
*addr = (struct sockaddr *)sin6;
break;
}
#endif
default:
/* TSNH */
break;
}
return (0);
}
#ifdef INET
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);
if (sin == NULL)
return (ENOMEM);
sin->sin_family = AF_INET;
sin->sin_len = sizeof(*sin);
inp = (struct sctp_inpcb *)so->so_pcb;
if (!inp) {
SCTP_FREE_SONAME(sin);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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 = &laddr->ifa->address.sin;
sin->sin_addr = sin_a->sin_addr;
fnd = 1;
break;
}
}
if (!fnd) {
SCTP_FREE_SONAME(sin);
SCTP_INP_RUNLOCK(inp);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
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;
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. */
SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
if (sin == NULL)
return (ENOMEM);
sin->sin_family = AF_INET;
sin->sin_len = sizeof(*sin);
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 */
SCTP_FREE_SONAME(sin);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
return (ENOTCONN);
}
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);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
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);
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
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_flush = sctp_flush,
.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
};
#endif
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