FreeBSD kernel IPv4 code
sctp_usrreq.c
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1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
10 *
11 * a) Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the following disclaimer.
13 *
14 * b) Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the distribution.
17 *
18 * c) Neither the name of Cisco Systems, Inc. nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32 * THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD$");
37
38#include <netinet/sctp_os.h>
39#include <sys/proc.h>
40#include <netinet/sctp_pcb.h>
41#include <netinet/sctp_header.h>
42#include <netinet/sctp_var.h>
43#ifdef INET6
44#include <netinet6/sctp6_var.h>
45#endif
46#include <netinet/sctp_sysctl.h>
47#include <netinet/sctp_output.h>
48#include <netinet/sctp_uio.h>
49#include <netinet/sctp_asconf.h>
50#include <netinet/sctputil.h>
51#include <netinet/sctp_indata.h>
52#include <netinet/sctp_timer.h>
53#include <netinet/sctp_auth.h>
54#include <netinet/sctp_bsd_addr.h>
55#include <netinet/udp.h>
56#include <sys/eventhandler.h>
57
58extern const struct sctp_cc_functions sctp_cc_functions[];
59extern const struct sctp_ss_functions sctp_ss_functions[];
60
61static void
62sctp_init(void *arg SCTP_UNUSED)
63{
64 u_long sb_max_adj;
65
66 /* Initialize and modify the sysctled variables */
67 sctp_init_sysctls();
68 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
69 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8);
70 /*
71 * Allow a user to take no more than 1/2 the number of clusters or
72 * the SB_MAX, whichever is smaller, for the send window.
73 */
74 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES));
75 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj,
76 (((uint32_t)nmbclusters / 2) * MCLBYTES));
77 /*
78 * Now for the recv window, should we take the same amount? or
79 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For
80 * now I will just copy.
81 */
82 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace);
83 SCTP_BASE_VAR(first_time) = 0;
84 SCTP_BASE_VAR(sctp_pcb_initialized) = 0;
85 sctp_pcb_init();
86#if defined(SCTP_PACKET_LOGGING)
87 SCTP_BASE_VAR(packet_log_writers) = 0;
88 SCTP_BASE_VAR(packet_log_end) = 0;
89 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE);
90#endif
91 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg,
92 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST);
93}
94
95VNET_SYSINIT(sctp_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_THIRD, sctp_init, NULL);
96
97#ifdef VIMAGE
98static void
99sctp_finish(void *unused __unused)
100{
101 EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag));
102 sctp_pcb_finish();
103}
104
105VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL);
106#endif
107
108void
109sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint32_t mtu, bool resend)
110{
111 struct sctp_association *asoc;
112 struct sctp_tmit_chunk *chk;
113 uint32_t overhead;
114
115 asoc = &stcb->asoc;
116 KASSERT(mtu < asoc->smallest_mtu,
117 ("Currently only reducing association MTU %u supported (MTU %u)",
118 asoc->smallest_mtu, mtu));
119 asoc->smallest_mtu = mtu;
120 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
121 overhead = SCTP_MIN_OVERHEAD;
122 } else {
123 overhead = SCTP_MIN_V4_OVERHEAD;
124 }
125 if (asoc->idata_supported) {
126 if (sctp_auth_is_required_chunk(SCTP_IDATA, asoc->peer_auth_chunks)) {
127 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id);
128 }
129 } else {
130 if (sctp_auth_is_required_chunk(SCTP_DATA, asoc->peer_auth_chunks)) {
131 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id);
132 }
133 }
134 KASSERT(overhead % 4 == 0,
135 ("overhead (%u) not a multiple of 4", overhead));
136 TAILQ_FOREACH(chk, &asoc->send_queue, sctp_next) {
137 if (((uint32_t)chk->send_size + overhead) > mtu) {
138 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
139 }
140 }
141 TAILQ_FOREACH(chk, &asoc->sent_queue, sctp_next) {
142 if (((uint32_t)chk->send_size + overhead) > mtu) {
143 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
144 if (resend && chk->sent < SCTP_DATAGRAM_RESEND) {
145 /*
146 * If requested, mark the chunk for
147 * immediate resend, since we sent it being
148 * too big.
149 */
150 sctp_flight_size_decrease(chk);
151 sctp_total_flight_decrease(stcb, chk);
152 chk->sent = SCTP_DATAGRAM_RESEND;
153 sctp_ucount_incr(asoc->sent_queue_retran_cnt);
154 chk->rec.data.doing_fast_retransmit = 0;
155 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) {
156 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
157 chk->whoTo->flight_size,
158 chk->book_size,
159 (uint32_t)(uintptr_t)chk->whoTo,
160 chk->rec.data.tsn);
161 }
162 /* Clear any time, so NO RTT is being done. */
163 if (chk->do_rtt == 1) {
164 chk->do_rtt = 0;
165 chk->whoTo->rto_needed = 1;
166 }
167 }
168 }
169 }
170}
171
172#ifdef INET
173void
174sctp_notify(struct sctp_inpcb *inp,
175 struct sctp_tcb *stcb,
176 struct sctp_nets *net,
177 uint8_t icmp_type,
178 uint8_t icmp_code,
179 uint16_t ip_len,
180 uint32_t next_mtu)
181{
182 int timer_stopped;
183
184 if (icmp_type != ICMP_UNREACH) {
185 /* We only care about unreachable */
186 SCTP_TCB_UNLOCK(stcb);
187 return;
188 }
189 if ((icmp_code == ICMP_UNREACH_NET) ||
190 (icmp_code == ICMP_UNREACH_HOST) ||
191 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) ||
192 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) ||
193 (icmp_code == ICMP_UNREACH_ISOLATED) ||
194 (icmp_code == ICMP_UNREACH_NET_PROHIB) ||
195 (icmp_code == ICMP_UNREACH_HOST_PROHIB) ||
196 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) {
197 /* Mark the net unreachable. */
198 if (net->dest_state & SCTP_ADDR_REACHABLE) {
199 /* OK, that destination is NOT reachable. */
200 net->dest_state &= ~SCTP_ADDR_REACHABLE;
201 net->dest_state &= ~SCTP_ADDR_PF;
202 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN,
203 stcb, 0,
204 (void *)net, SCTP_SO_NOT_LOCKED);
205 }
206 SCTP_TCB_UNLOCK(stcb);
207 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) ||
208 (icmp_code == ICMP_UNREACH_PORT)) {
209 /* Treat it like an ABORT. */
210 sctp_abort_notification(stcb, true, false, 0, NULL, SCTP_SO_NOT_LOCKED);
211 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
212 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2);
213 /* no need to unlock here, since the TCB is gone */
214 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) {
215 if (net->dest_state & SCTP_ADDR_NO_PMTUD) {
216 SCTP_TCB_UNLOCK(stcb);
217 return;
218 }
219 /* Find the next (smaller) MTU */
220 if (next_mtu == 0) {
221 /*
222 * Old type router that does not tell us what the
223 * next MTU is. Rats we will have to guess (in a
224 * educated fashion of course).
225 */
226 next_mtu = sctp_get_prev_mtu(ip_len);
227 }
228 /* Stop the PMTU timer. */
229 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
230 timer_stopped = 1;
231 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
232 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1);
233 } else {
234 timer_stopped = 0;
235 }
236 /* Update the path MTU. */
237 if (net->port) {
238 next_mtu -= sizeof(struct udphdr);
239 }
240 if (net->mtu > next_mtu) {
241 net->mtu = next_mtu;
242 if (net->port) {
243 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr));
244 } else {
245 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu);
246 }
247 }
248 /* Update the association MTU */
249 if (stcb->asoc.smallest_mtu > next_mtu) {
250 sctp_pathmtu_adjustment(stcb, next_mtu, true);
251 }
252 /* Finally, start the PMTU timer if it was running before. */
253 if (timer_stopped) {
254 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
255 }
256 SCTP_TCB_UNLOCK(stcb);
257 } else {
258 SCTP_TCB_UNLOCK(stcb);
259 }
260}
261
262void
263sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip)
264{
265 struct ip *outer_ip;
266 struct ip *inner_ip;
267 struct sctphdr *sh;
268 struct icmp *icmp;
269 struct sctp_inpcb *inp;
270 struct sctp_tcb *stcb;
271 struct sctp_nets *net;
272 struct sctp_init_chunk *ch;
273 struct sockaddr_in src, dst;
274
275 if (sa->sa_family != AF_INET ||
276 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) {
277 return;
278 }
279 if (PRC_IS_REDIRECT(cmd)) {
280 vip = NULL;
281 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) {
282 return;
283 }
284 if (vip != NULL) {
285 inner_ip = (struct ip *)vip;
286 icmp = (struct icmp *)((caddr_t)inner_ip -
287 (sizeof(struct icmp) - sizeof(struct ip)));
288 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip));
289 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2));
290 memset(&src, 0, sizeof(struct sockaddr_in));
291 src.sin_family = AF_INET;
292 src.sin_len = sizeof(struct sockaddr_in);
293 src.sin_port = sh->src_port;
294 src.sin_addr = inner_ip->ip_src;
295 memset(&dst, 0, sizeof(struct sockaddr_in));
296 dst.sin_family = AF_INET;
297 dst.sin_len = sizeof(struct sockaddr_in);
298 dst.sin_port = sh->dest_port;
299 dst.sin_addr = inner_ip->ip_dst;
300 /*
301 * 'dst' holds the dest of the packet that failed to be
302 * sent. 'src' holds our local endpoint address. Thus we
303 * reverse the dst and the src in the lookup.
304 */
305 inp = NULL;
306 net = NULL;
307 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst,
308 (struct sockaddr *)&src,
309 &inp, &net, 1,
310 SCTP_DEFAULT_VRFID);
311 if ((stcb != NULL) &&
312 (net != NULL) &&
313 (inp != NULL)) {
314 /* Check the verification tag */
315 if (ntohl(sh->v_tag) != 0) {
316 /*
317 * This must be the verification tag used
318 * for sending out packets. We don't
319 * consider packets reflecting the
320 * verification tag.
321 */
322 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) {
323 SCTP_TCB_UNLOCK(stcb);
324 return;
325 }
326 } else {
327 if (ntohs(outer_ip->ip_len) >=
328 sizeof(struct ip) +
329 8 + (inner_ip->ip_hl << 2) + 20) {
330 /*
331 * In this case we can check if we
332 * got an INIT chunk and if the
333 * initiate tag matches.
334 */
335 ch = (struct sctp_init_chunk *)(sh + 1);
336 if ((ch->ch.chunk_type != SCTP_INITIATION) ||
337 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) {
338 SCTP_TCB_UNLOCK(stcb);
339 return;
340 }
341 } else {
342 SCTP_TCB_UNLOCK(stcb);
343 return;
344 }
345 }
346 sctp_notify(inp, stcb, net,
347 icmp->icmp_type,
348 icmp->icmp_code,
349 ntohs(inner_ip->ip_len),
350 (uint32_t)ntohs(icmp->icmp_nextmtu));
351 } else {
352 if ((stcb == NULL) && (inp != NULL)) {
353 /* reduce ref-count */
354 SCTP_INP_WLOCK(inp);
355 SCTP_INP_DECR_REF(inp);
356 SCTP_INP_WUNLOCK(inp);
357 }
358 if (stcb) {
359 SCTP_TCB_UNLOCK(stcb);
360 }
361 }
362 }
363 return;
364}
365#endif
366
367static int
368sctp_getcred(SYSCTL_HANDLER_ARGS)
369{
370 struct xucred xuc;
371 struct sockaddr_in addrs[2];
372 struct sctp_inpcb *inp;
373 struct sctp_nets *net;
374 struct sctp_tcb *stcb;
375 int error;
376 uint32_t vrf_id;
377
378 /* FIX, for non-bsd is this right? */
379 vrf_id = SCTP_DEFAULT_VRFID;
380
381 error = priv_check(req->td, PRIV_NETINET_GETCRED);
382
383 if (error)
384 return (error);
385
386 error = SYSCTL_IN(req, addrs, sizeof(addrs));
387 if (error)
388 return (error);
389
390 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]),
391 sintosa(&addrs[0]),
392 &inp, &net, 1, vrf_id);
393 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
394 if ((inp != NULL) && (stcb == NULL)) {
395 /* reduce ref-count */
396 SCTP_INP_WLOCK(inp);
397 SCTP_INP_DECR_REF(inp);
398 goto cred_can_cont;
399 }
400
401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
402 error = ENOENT;
403 goto out;
404 }
405 SCTP_TCB_UNLOCK(stcb);
406 /*
407 * We use the write lock here, only since in the error leg we need
408 * it. If we used RLOCK, then we would have to
409 * wlock/decr/unlock/rlock. Which in theory could create a hole.
410 * Better to use higher wlock.
411 */
412 SCTP_INP_WLOCK(inp);
413cred_can_cont:
414 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket);
415 if (error) {
416 SCTP_INP_WUNLOCK(inp);
417 goto out;
418 }
419 cru2x(inp->sctp_socket->so_cred, &xuc);
420 SCTP_INP_WUNLOCK(inp);
421 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred));
422out:
423 return (error);
424}
425
426SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred,
427 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
428 0, 0, sctp_getcred, "S,ucred",
429 "Get the ucred of a SCTP connection");
430
431#ifdef INET
432static void
433sctp_abort(struct socket *so)
434{
435 struct epoch_tracker et;
436 struct sctp_inpcb *inp;
437
438 inp = (struct sctp_inpcb *)so->so_pcb;
439 if (inp == NULL) {
440 return;
441 }
442
443 SCTP_INP_WLOCK(inp);
444 NET_EPOCH_ENTER(et);
445#ifdef SCTP_LOG_CLOSING
446 sctp_log_closing(inp, NULL, 17);
447#endif
448 if (((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0)) {
449 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP;
450#ifdef SCTP_LOG_CLOSING
451 sctp_log_closing(inp, NULL, 16);
452#endif
453 SCTP_INP_WUNLOCK(inp);
454 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
455 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
456 SOCK_LOCK(so);
457 SCTP_SB_CLEAR(so->so_snd);
458 /*
459 * same for the rcv ones, they are only here for the
460 * accounting/select.
461 */
462 SCTP_SB_CLEAR(so->so_rcv);
463
464 /* Now null out the reference, we are completely detached. */
465 so->so_pcb = NULL;
466 SOCK_UNLOCK(so);
467 } else {
468 SCTP_INP_WUNLOCK(inp);
469 }
470 NET_EPOCH_EXIT(et);
471}
472
473static int
474sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED)
475{
476 struct sctp_inpcb *inp;
477 struct inpcb *ip_inp;
478 int error;
479 uint32_t vrf_id = SCTP_DEFAULT_VRFID;
480
481 inp = (struct sctp_inpcb *)so->so_pcb;
482 if (inp != NULL) {
483 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
484 return (EINVAL);
485 }
486 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
487 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace));
488 if (error) {
489 return (error);
490 }
491 }
492 error = sctp_inpcb_alloc(so, vrf_id);
493 if (error) {
494 return (error);
495 }
496 inp = (struct sctp_inpcb *)so->so_pcb;
497 SCTP_INP_WLOCK(inp);
498 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */
499 ip_inp = &inp->ip_inp.inp;
500 ip_inp->inp_vflag |= INP_IPV4;
501 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl);
502 SCTP_INP_WUNLOCK(inp);
503 return (0);
504}
505
506static int
507sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p)
508{
509 struct sctp_inpcb *inp;
510
511 inp = (struct sctp_inpcb *)so->so_pcb;
512 if (inp == NULL) {
513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
514 return (EINVAL);
515 }
516 if (addr != NULL) {
517 if ((addr->sa_family != AF_INET) ||
518 (addr->sa_len != sizeof(struct sockaddr_in))) {
519 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
520 return (EINVAL);
521 }
522 }
523 return (sctp_inpcb_bind(so, addr, NULL, p));
524}
525
526#endif
527void
528sctp_close(struct socket *so)
529{
530 struct epoch_tracker et;
531 struct sctp_inpcb *inp;
532
533 inp = (struct sctp_inpcb *)so->so_pcb;
534 if (inp == NULL)
535 return;
536
537 /*
538 * Inform all the lower layer assoc that we are done.
539 */
540 SCTP_INP_WLOCK(inp);
541 NET_EPOCH_ENTER(et);
542#ifdef SCTP_LOG_CLOSING
543 sctp_log_closing(inp, NULL, 17);
544#endif
545 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
546 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP;
547 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
548 (so->so_rcv.sb_cc > 0)) {
549#ifdef SCTP_LOG_CLOSING
550 sctp_log_closing(inp, NULL, 13);
551#endif
552 SCTP_INP_WUNLOCK(inp);
553 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
554 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
555 } else {
556#ifdef SCTP_LOG_CLOSING
557 sctp_log_closing(inp, NULL, 14);
558#endif
559 SCTP_INP_WUNLOCK(inp);
560 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,
561 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
562 }
563 /*
564 * The socket is now detached, no matter what the state of
565 * the SCTP association.
566 */
567 SOCK_LOCK(so);
568 SCTP_SB_CLEAR(so->so_snd);
569 /*
570 * same for the rcv ones, they are only here for the
571 * accounting/select.
572 */
573 SCTP_SB_CLEAR(so->so_rcv);
574
575 /* Now null out the reference, we are completely detached. */
576 so->so_pcb = NULL;
577 SOCK_UNLOCK(so);
578 } else {
579 SCTP_INP_WUNLOCK(inp);
580 }
581 NET_EPOCH_EXIT(et);
582}
583
584int
585sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
586 struct mbuf *control, struct thread *p);
587
588int
589sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
590 struct mbuf *control, struct thread *p)
591{
592 struct sctp_inpcb *inp;
593 int error;
594
595 inp = (struct sctp_inpcb *)so->so_pcb;
596 if (inp == NULL) {
597 if (control) {
598 sctp_m_freem(control);
599 control = NULL;
600 }
601 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
602 sctp_m_freem(m);
603 return (EINVAL);
604 }
605 /* Got to have an to address if we are NOT a connected socket */
606 if ((addr == NULL) &&
607 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) ||
608 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) {
609 goto connected_type;
610 }
611
612 error = 0;
613 if (addr == NULL) {
614 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
615 error = EDESTADDRREQ;
616 } else if (addr->sa_family != AF_INET) {
617 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
618 error = EAFNOSUPPORT;
619 } else if (addr->sa_len != sizeof(struct sockaddr_in)) {
620 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
621 error = EINVAL;
622 }
623 if (error != 0) {
624 sctp_m_freem(m);
625 if (control) {
626 sctp_m_freem(control);
627 control = NULL;
628 }
629 return (error);
630 }
631connected_type:
632 /* now what about control */
633 if (control) {
634 if (inp->control) {
635 sctp_m_freem(inp->control);
636 inp->control = NULL;
637 }
638 inp->control = control;
639 }
640 /* Place the data */
641 if (inp->pkt) {
642 SCTP_BUF_NEXT(inp->pkt_last) = m;
643 inp->pkt_last = m;
644 } else {
645 inp->pkt_last = inp->pkt = m;
646 }
647 if (
648 /* FreeBSD uses a flag passed */
649 ((flags & PRUS_MORETOCOME) == 0)
650 ) {
651 /*
652 * note with the current version this code will only be used
653 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for
654 * re-defining sosend to use the sctp_sosend. One can
655 * optionally switch back to this code (by changing back the
656 * definitions) but this is not advisable. This code is used
657 * by FreeBSD when sending a file with sendfile() though.
658 */
659 struct epoch_tracker et;
660 int ret;
661
662 NET_EPOCH_ENTER(et);
663 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
664 NET_EPOCH_EXIT(et);
665 inp->pkt = NULL;
666 inp->control = NULL;
667 return (ret);
668 } else {
669 return (0);
670 }
671}
672
673int
674sctp_disconnect(struct socket *so)
675{
676 struct sctp_inpcb *inp;
677
678 inp = (struct sctp_inpcb *)so->so_pcb;
679 if (inp == NULL) {
680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
681 return (ENOTCONN);
682 }
683 SCTP_INP_RLOCK(inp);
684 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
685 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
686 if (LIST_EMPTY(&inp->sctp_asoc_list)) {
687 /* No connection */
688 SCTP_INP_RUNLOCK(inp);
689 return (0);
690 } else {
691 struct epoch_tracker et;
692 struct sctp_association *asoc;
693 struct sctp_tcb *stcb;
694
695 stcb = LIST_FIRST(&inp->sctp_asoc_list);
696 if (stcb == NULL) {
697 SCTP_INP_RUNLOCK(inp);
698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
699 return (EINVAL);
700 }
701 SCTP_TCB_LOCK(stcb);
702 asoc = &stcb->asoc;
703 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
704 /* We are about to be freed, out of here */
705 SCTP_TCB_UNLOCK(stcb);
706 SCTP_INP_RUNLOCK(inp);
707 return (0);
708 }
709 NET_EPOCH_ENTER(et);
710 if (((so->so_options & SO_LINGER) &&
711 (so->so_linger == 0)) ||
712 (so->so_rcv.sb_cc > 0)) {
713 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) {
714 /* Left with Data unread */
715 struct mbuf *op_err;
716
717 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
718 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
719 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
720 }
721 SCTP_INP_RUNLOCK(inp);
722 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) ||
723 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
724 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
725 }
726 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
727 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3);
728 /* No unlock tcb assoc is gone */
729 NET_EPOCH_EXIT(et);
730 return (0);
731 }
732 if (TAILQ_EMPTY(&asoc->send_queue) &&
733 TAILQ_EMPTY(&asoc->sent_queue) &&
734 (asoc->stream_queue_cnt == 0)) {
735 /* there is nothing queued to send, so done */
736 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) {
737 goto abort_anyway;
738 }
739 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) &&
740 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {
741 /* only send SHUTDOWN 1st time thru */
742 struct sctp_nets *netp;
743
744 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) ||
745 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
746 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
747 }
748 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT);
749 sctp_stop_timers_for_shutdown(stcb);
750 if (stcb->asoc.alternate) {
751 netp = stcb->asoc.alternate;
752 } else {
753 netp = stcb->asoc.primary_destination;
754 }
755 sctp_send_shutdown(stcb, netp);
756 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
757 stcb->sctp_ep, stcb, netp);
758 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
759 stcb->sctp_ep, stcb, NULL);
760 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
761 }
762 } else {
763 /*
764 * we still got (or just got) data to send,
765 * so set SHUTDOWN_PENDING
766 */
767 /*
768 * XXX sockets draft says that SCTP_EOF
769 * should be sent with no data. currently,
770 * we will allow user data to be sent first
771 * and move to SHUTDOWN-PENDING
772 */
773 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING);
774 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL);
775 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) {
776 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT);
777 }
778 if (TAILQ_EMPTY(&asoc->send_queue) &&
779 TAILQ_EMPTY(&asoc->sent_queue) &&
780 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
781 struct mbuf *op_err;
782
783 abort_anyway:
784 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
785 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4;
786 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
787 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
788 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) ||
789 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
790 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
791 }
792 SCTP_INP_RUNLOCK(inp);
793 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
794 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5);
795 NET_EPOCH_EXIT(et);
796 return (0);
797 } else {
798 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
799 }
800 }
801 soisdisconnecting(so);
802 NET_EPOCH_EXIT(et);
803 SCTP_TCB_UNLOCK(stcb);
804 SCTP_INP_RUNLOCK(inp);
805 return (0);
806 }
807 /* not reached */
808 } else {
809 /* UDP model does not support this */
810 SCTP_INP_RUNLOCK(inp);
811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
812 return (EOPNOTSUPP);
813 }
814}
815
816int
817sctp_flush(struct socket *so, int how)
818{
819 /*
820 * We will just clear out the values and let subsequent close clear
821 * out the data, if any. Note if the user did a shutdown(SHUT_RD)
822 * they will not be able to read the data, the socket will block
823 * that from happening.
824 */
825 struct sctp_inpcb *inp;
826
827 inp = (struct sctp_inpcb *)so->so_pcb;
828 if (inp == NULL) {
829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
830 return (EINVAL);
831 }
832 SCTP_INP_RLOCK(inp);
833 /* For the 1 to many model this does nothing */
834 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
835 SCTP_INP_RUNLOCK(inp);
836 return (0);
837 }
838 SCTP_INP_RUNLOCK(inp);
839 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) {
840 /*
841 * First make sure the sb will be happy, we don't use these
842 * except maybe the count
843 */
844 SCTP_INP_WLOCK(inp);
845 SCTP_INP_READ_LOCK(inp);
846 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ;
847 SCTP_INP_READ_UNLOCK(inp);
848 SCTP_INP_WUNLOCK(inp);
849 so->so_rcv.sb_cc = 0;
850 so->so_rcv.sb_mbcnt = 0;
851 so->so_rcv.sb_mb = NULL;
852 }
853 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) {
854 /*
855 * First make sure the sb will be happy, we don't use these
856 * except maybe the count
857 */
858 so->so_snd.sb_cc = 0;
859 so->so_snd.sb_mbcnt = 0;
860 so->so_snd.sb_mb = NULL;
861 }
862 return (0);
863}
864
865int
866sctp_shutdown(struct socket *so)
867{
868 struct sctp_inpcb *inp;
869
870 inp = (struct sctp_inpcb *)so->so_pcb;
871 if (inp == NULL) {
872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
873 return (EINVAL);
874 }
875 SCTP_INP_RLOCK(inp);
876 /* For UDP model this is a invalid call */
877 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
878 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) {
879 /* Restore the flags that the soshutdown took away. */
880 SOCKBUF_LOCK(&so->so_rcv);
881 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
882 SOCKBUF_UNLOCK(&so->so_rcv);
883 /* This proc will wakeup for read and do nothing (I hope) */
884 SCTP_INP_RUNLOCK(inp);
885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
886 return (EOPNOTSUPP);
887 } else {
888 /*
889 * Ok, if we reach here its the TCP model and it is either a
890 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag
891 * against it.
892 */
893 struct epoch_tracker et;
894 struct sctp_tcb *stcb;
895 struct sctp_association *asoc;
896 struct sctp_nets *netp;
897
898 if ((so->so_state &
899 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) {
900 SCTP_INP_RUNLOCK(inp);
901 return (ENOTCONN);
902 }
903 socantsendmore(so);
904
905 stcb = LIST_FIRST(&inp->sctp_asoc_list);
906 if (stcb == NULL) {
907 /*
908 * Ok, we hit the case that the shutdown call was
909 * made after an abort or something. Nothing to do
910 * now.
911 */
912 SCTP_INP_RUNLOCK(inp);
913 return (0);
914 }
915 SCTP_TCB_LOCK(stcb);
916 asoc = &stcb->asoc;
917 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) {
918 SCTP_TCB_UNLOCK(stcb);
919 SCTP_INP_RUNLOCK(inp);
920 return (0);
921 }
922 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) &&
923 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) &&
924 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) {
925 /*
926 * If we are not in or before ESTABLISHED, there is
927 * no protocol action required.
928 */
929 SCTP_TCB_UNLOCK(stcb);
930 SCTP_INP_RUNLOCK(inp);
931 return (0);
932 }
933 NET_EPOCH_ENTER(et);
934 if (stcb->asoc.alternate) {
935 netp = stcb->asoc.alternate;
936 } else {
937 netp = stcb->asoc.primary_destination;
938 }
939 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) &&
940 TAILQ_EMPTY(&asoc->send_queue) &&
941 TAILQ_EMPTY(&asoc->sent_queue) &&
942 (asoc->stream_queue_cnt == 0)) {
943 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) {
944 goto abort_anyway;
945 }
946 /* there is nothing queued to send, so I'm done... */
947 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
948 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT);
949 sctp_stop_timers_for_shutdown(stcb);
950 sctp_send_shutdown(stcb, netp);
951 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
952 stcb->sctp_ep, stcb, netp);
953 } else {
954 /*
955 * We still got (or just got) data to send, so set
956 * SHUTDOWN_PENDING.
957 */
958 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING);
959 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) {
960 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT);
961 }
962 if (TAILQ_EMPTY(&asoc->send_queue) &&
963 TAILQ_EMPTY(&asoc->sent_queue) &&
964 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
965 struct mbuf *op_err;
966
967 abort_anyway:
968 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
969 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6;
970 SCTP_INP_RUNLOCK(inp);
971 sctp_abort_an_association(stcb->sctp_ep, stcb,
972 op_err, false, SCTP_SO_LOCKED);
973 NET_EPOCH_EXIT(et);
974 return (0);
975 }
976 }
977 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL);
978 /*
979 * XXX: Why do this in the case where we have still data
980 * queued?
981 */
982 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
983 SCTP_TCB_UNLOCK(stcb);
984 SCTP_INP_RUNLOCK(inp);
985 NET_EPOCH_EXIT(et);
986 return (0);
987 }
988}
989
990/*
991 * copies a "user" presentable address and removes embedded scope, etc.
992 * returns 0 on success, 1 on error
993 */
994static uint32_t
995sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src)
996{
997#ifdef INET6
998 struct sockaddr_in6 lsa6;
999
1000 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src,
1001 &lsa6);
1002#endif
1003 memcpy(dst, src, src->sa_len);
1004 return (0);
1005}
1006
1007static size_t
1008sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp,
1009 struct sctp_tcb *stcb,
1010 size_t limit,
1011 struct sockaddr *addr,
1012 uint32_t vrf_id)
1013{
1014 struct sctp_ifn *sctp_ifn;
1015 struct sctp_ifa *sctp_ifa;
1016 size_t actual;
1017 int loopback_scope;
1018#if defined(INET)
1019 int ipv4_local_scope, ipv4_addr_legal;
1020#endif
1021#if defined(INET6)
1022 int local_scope, site_scope, ipv6_addr_legal;
1023#endif
1024 struct sctp_vrf *vrf;
1025
1026 SCTP_IPI_ADDR_LOCK_ASSERT();
1027 actual = 0;
1028 if (limit == 0)
1029 return (actual);
1030
1031 if (stcb) {
1032 /* Turn on all the appropriate scope */
1033 loopback_scope = stcb->asoc.scope.loopback_scope;
1034#if defined(INET)
1035 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
1036 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
1037#endif
1038#if defined(INET6)
1039 local_scope = stcb->asoc.scope.local_scope;
1040 site_scope = stcb->asoc.scope.site_scope;
1041 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
1042#endif
1043 } else {
1044 /* Use generic values for endpoints. */
1045 loopback_scope = 1;
1046#if defined(INET)
1047 ipv4_local_scope = 1;
1048#endif
1049#if defined(INET6)
1050 local_scope = 1;
1051 site_scope = 1;
1052#endif
1053 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
1054#if defined(INET6)
1055 ipv6_addr_legal = 1;
1056#endif
1057#if defined(INET)
1058 if (SCTP_IPV6_V6ONLY(inp)) {
1059 ipv4_addr_legal = 0;
1060 } else {
1061 ipv4_addr_legal = 1;
1062 }
1063#endif
1064 } else {
1065#if defined(INET6)
1066 ipv6_addr_legal = 0;
1067#endif
1068#if defined(INET)
1069 ipv4_addr_legal = 1;
1070#endif
1071 }
1072 }
1073 vrf = sctp_find_vrf(vrf_id);
1074 if (vrf == NULL) {
1075 return (0);
1076 }
1077 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1078 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1079 if ((loopback_scope == 0) &&
1080 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {
1081 /* Skip loopback if loopback_scope not set */
1082 continue;
1083 }
1084 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1085 if (stcb) {
1086 /*
1087 * For the BOUND-ALL case, the list
1088 * associated with a TCB is Always
1089 * considered a reverse list.. i.e.
1090 * it lists addresses that are NOT
1091 * part of the association. If this
1092 * is one of those we must skip it.
1093 */
1094 if (sctp_is_addr_restricted(stcb,
1095 sctp_ifa)) {
1096 continue;
1097 }
1098 }
1099 switch (sctp_ifa->address.sa.sa_family) {
1100#ifdef INET
1101 case AF_INET:
1102 if (ipv4_addr_legal) {
1103 struct sockaddr_in *sin;
1104
1105 sin = &sctp_ifa->address.sin;
1106 if (sin->sin_addr.s_addr == 0) {
1107 /*
1108 * we skip
1109 * unspecifed
1110 * addresses
1111 */
1112 continue;
1113 }
1114 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
1115 &sin->sin_addr) != 0) {
1116 continue;
1117 }
1118 if ((ipv4_local_scope == 0) &&
1119 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
1120 continue;
1121 }
1122#ifdef INET6
1123 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
1124 if (actual + sizeof(struct sockaddr_in6) > limit) {
1125 return (actual);
1126 }
1127 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr);
1128 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport;
1129 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6));
1130 actual += sizeof(struct sockaddr_in6);
1131 } else {
1132#endif
1133 if (actual + sizeof(struct sockaddr_in) > limit) {
1134 return (actual);
1135 }
1136 memcpy(addr, sin, sizeof(struct sockaddr_in));
1137 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport;
1138 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in));
1139 actual += sizeof(struct sockaddr_in);
1140#ifdef INET6
1141 }
1142#endif
1143 } else {
1144 continue;
1145 }
1146 break;
1147#endif
1148#ifdef INET6
1149 case AF_INET6:
1150 if (ipv6_addr_legal) {
1151 struct sockaddr_in6 *sin6;
1152
1153 sin6 = &sctp_ifa->address.sin6;
1154 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
1155 /*
1156 * we skip
1157 * unspecifed
1158 * addresses
1159 */
1160 continue;
1161 }
1162 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
1163 &sin6->sin6_addr) != 0) {
1164 continue;
1165 }
1166 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
1167 if (local_scope == 0)
1168 continue;
1169 if (sin6->sin6_scope_id == 0) {
1170 if (sa6_recoverscope(sin6) != 0)
1171 /*
1172 *
1173 * bad
1174 * link
1175 *
1176 * local
1177 *
1178 * address
1179 */
1180 continue;
1181 }
1182 }
1183 if ((site_scope == 0) &&
1184 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {
1185 continue;
1186 }
1187 if (actual + sizeof(struct sockaddr_in6) > limit) {
1188 return (actual);
1189 }
1190 memcpy(addr, sin6, sizeof(struct sockaddr_in6));
1191 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport;
1192 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6));
1193 actual += sizeof(struct sockaddr_in6);
1194 } else {
1195 continue;
1196 }
1197 break;
1198#endif
1199 default:
1200 /* TSNH */
1201 break;
1202 }
1203 }
1204 }
1205 } else {
1206 struct sctp_laddr *laddr;
1207 size_t sa_len;
1208
1209 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1210 if (stcb) {
1211 if (sctp_is_addr_restricted(stcb, laddr->ifa)) {
1212 continue;
1213 }
1214 }
1215 sa_len = laddr->ifa->address.sa.sa_len;
1216 if (actual + sa_len > limit) {
1217 return (actual);
1218 }
1219 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa))
1220 continue;
1221 switch (laddr->ifa->address.sa.sa_family) {
1222#ifdef INET
1223 case AF_INET:
1224 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport;
1225 break;
1226#endif
1227#ifdef INET6
1228 case AF_INET6:
1229 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport;
1230 break;
1231#endif
1232 default:
1233 /* TSNH */
1234 break;
1235 }
1236 addr = (struct sockaddr *)((caddr_t)addr + sa_len);
1237 actual += sa_len;
1238 }
1239 }
1240 return (actual);
1241}
1242
1243static size_t
1244sctp_fill_up_addresses(struct sctp_inpcb *inp,
1245 struct sctp_tcb *stcb,
1246 size_t limit,
1247 struct sockaddr *addr)
1248{
1249 size_t size;
1250
1251 SCTP_IPI_ADDR_RLOCK();
1252 /* fill up addresses for the endpoint's default vrf */
1253 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr,
1254 inp->def_vrf_id);
1255 SCTP_IPI_ADDR_RUNLOCK();
1256 return (size);
1257}
1258
1259static size_t
1260sctp_max_size_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id)
1261{
1262 struct sctp_vrf *vrf;
1263 size_t size;
1264
1265 /*
1266 * In both sub-set bound an bound_all cases we return the size of
1267 * the maximum number of addresses that you could get. In reality
1268 * the sub-set bound may have an exclusion list for a given TCB or
1269 * in the bound-all case a TCB may NOT include the loopback or other
1270 * addresses as well.
1271 */
1272 SCTP_IPI_ADDR_LOCK_ASSERT();
1273 vrf = sctp_find_vrf(vrf_id);
1274 if (vrf == NULL) {
1275 return (0);
1276 }
1277 size = 0;
1278 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1279 struct sctp_ifn *sctp_ifn;
1280 struct sctp_ifa *sctp_ifa;
1281
1282 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1283 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1284 /* Count them if they are the right type */
1285 switch (sctp_ifa->address.sa.sa_family) {
1286#ifdef INET
1287 case AF_INET:
1288#ifdef INET6
1289 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1290 size += sizeof(struct sockaddr_in6);
1291 else
1292 size += sizeof(struct sockaddr_in);
1293#else
1294 size += sizeof(struct sockaddr_in);
1295#endif
1296 break;
1297#endif
1298#ifdef INET6
1299 case AF_INET6:
1300 size += sizeof(struct sockaddr_in6);
1301 break;
1302#endif
1303 default:
1304 break;
1305 }
1306 }
1307 }
1308 } else {
1309 struct sctp_laddr *laddr;
1310
1311 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1312 switch (laddr->ifa->address.sa.sa_family) {
1313#ifdef INET
1314 case AF_INET:
1315#ifdef INET6
1316 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1317 size += sizeof(struct sockaddr_in6);
1318 else
1319 size += sizeof(struct sockaddr_in);
1320#else
1321 size += sizeof(struct sockaddr_in);
1322#endif
1323 break;
1324#endif
1325#ifdef INET6
1326 case AF_INET6:
1327 size += sizeof(struct sockaddr_in6);
1328 break;
1329#endif
1330 default:
1331 break;
1332 }
1333 }
1334 }
1335 return (size);
1336}
1337
1338static size_t
1339sctp_max_size_addresses(struct sctp_inpcb *inp)
1340{
1341 size_t size;
1342
1343 SCTP_IPI_ADDR_RLOCK();
1344 /* Maximum size of all addresses for the endpoint's default VRF */
1345 size = sctp_max_size_addresses_vrf(inp, inp->def_vrf_id);
1346 SCTP_IPI_ADDR_RUNLOCK();
1347 return (size);
1348}
1349
1350static int
1351sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval,
1352 size_t optsize, void *p, int delay)
1353{
1354 int error;
1355 int creat_lock_on = 0;
1356 struct sctp_tcb *stcb = NULL;
1357 struct sockaddr *sa;
1358 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr;
1359 uint32_t vrf_id;
1360 sctp_assoc_t *a_id;
1361
1362 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n");
1363
1364 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
1365 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
1366 /* We are already connected AND the TCP model */
1367 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
1368 return (EADDRINUSE);
1369 }
1370
1371 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
1372 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
1373 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1374 return (EINVAL);
1375 }
1376
1377 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
1378 SCTP_INP_RLOCK(inp);
1379 stcb = LIST_FIRST(&inp->sctp_asoc_list);
1380 SCTP_INP_RUNLOCK(inp);
1381 }
1382 if (stcb) {
1383 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
1384 return (EALREADY);
1385 }
1386 SCTP_INP_INCR_REF(inp);
1387 SCTP_ASOC_CREATE_LOCK(inp);
1388 creat_lock_on = 1;
1389 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
1390 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
1391 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
1392 error = EFAULT;
1393 goto out_now;
1394 }
1395 totaddrp = (unsigned int *)optval;
1396 totaddr = *totaddrp;
1397 sa = (struct sockaddr *)(totaddrp + 1);
1398 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int)));
1399 if (error != 0) {
1400 /* Already have or am bring up an association */
1401 SCTP_ASOC_CREATE_UNLOCK(inp);
1402 creat_lock_on = 0;
1403 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1404 goto out_now;
1405 }
1406#ifdef INET6
1407 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
1408 (num_v6 > 0)) {
1409 error = EINVAL;
1410 goto out_now;
1411 }
1412 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
1413 (num_v4 > 0)) {
1414 if (SCTP_IPV6_V6ONLY(inp)) {
1415 /*
1416 * if IPV6_V6ONLY flag, ignore connections destined
1417 * to a v4 addr or v4-mapped addr
1418 */
1419 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1420 error = EINVAL;
1421 goto out_now;
1422 }
1423 }
1424#endif /* INET6 */
1425 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
1426 SCTP_PCB_FLAGS_UNBOUND) {
1427 /* Bind a ephemeral port */
1428 error = sctp_inpcb_bind(so, NULL, NULL, p);
1429 if (error) {
1430 goto out_now;
1431 }
1432 }
1433
1434 /* FIX ME: do we want to pass in a vrf on the connect call? */
1435 vrf_id = inp->def_vrf_id;
1436
1437 /* We are GOOD to go */
1438 stcb = sctp_aloc_assoc_connected(inp, sa, &error, 0, 0, vrf_id,
1439 inp->sctp_ep.pre_open_stream_count,
1440 inp->sctp_ep.port,
1441 (struct thread *)p,
1442 SCTP_INITIALIZE_AUTH_PARAMS);
1443 if (stcb == NULL) {
1444 /* Gak! no memory */
1445 goto out_now;
1446 }
1447 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT);
1448 /* move to second address */
1449 switch (sa->sa_family) {
1450#ifdef INET
1451 case AF_INET:
1452 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in));
1453 break;
1454#endif
1455#ifdef INET6
1456 case AF_INET6:
1457 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6));
1458 break;
1459#endif
1460 default:
1461 break;
1462 }
1463
1464 error = 0;
1465 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error);
1466 /* Fill in the return id */
1467 if (error) {
1468 goto out_now;
1469 }
1470 a_id = (sctp_assoc_t *)optval;
1471 *a_id = sctp_get_associd(stcb);
1472
1473 if (delay) {
1474 /* doing delayed connection */
1475 stcb->asoc.delayed_connection = 1;
1476 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination);
1477 } else {
1478 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
1479 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
1480 }
1481 SCTP_TCB_UNLOCK(stcb);
1482out_now:
1483 if (creat_lock_on) {
1484 SCTP_ASOC_CREATE_UNLOCK(inp);
1485 }
1486 SCTP_INP_DECR_REF(inp);
1487 return (error);
1488}
1489
1490#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \
1491 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\
1492 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \
1493 SCTP_INP_RLOCK(inp); \
1494 stcb = LIST_FIRST(&inp->sctp_asoc_list); \
1495 if (stcb) { \
1496 SCTP_TCB_LOCK(stcb); \
1497 } \
1498 SCTP_INP_RUNLOCK(inp); \
1499 } else if (assoc_id > SCTP_ALL_ASSOC) { \
1500 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \
1501 if (stcb == NULL) { \
1502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \
1503 error = ENOENT; \
1504 break; \
1505 } \
1506 } else { \
1507 stcb = NULL; \
1508 } \
1509}
1510
1511#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\
1512 if (size < sizeof(type)) { \
1513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \
1514 error = EINVAL; \
1515 break; \
1516 } else { \
1517 destp = (type *)srcp; \
1518 } \
1519}
1520
1521static int
1522sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
1523 void *p)
1524{
1525 struct sctp_inpcb *inp = NULL;
1526 int error, val = 0;
1527 struct sctp_tcb *stcb = NULL;
1528
1529 if (optval == NULL) {
1530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1531 return (EINVAL);
1532 }
1533
1534 inp = (struct sctp_inpcb *)so->so_pcb;
1535 if (inp == NULL) {
1536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1537 return EINVAL;
1538 }
1539 error = 0;
1540
1541 switch (optname) {
1542 case SCTP_NODELAY:
1543 case SCTP_AUTOCLOSE:
1544 case SCTP_EXPLICIT_EOR:
1545 case SCTP_AUTO_ASCONF:
1546 case SCTP_DISABLE_FRAGMENTS:
1547 case SCTP_I_WANT_MAPPED_V4_ADDR:
1548 case SCTP_USE_EXT_RCVINFO:
1549 SCTP_INP_RLOCK(inp);
1550 switch (optname) {
1551 case SCTP_DISABLE_FRAGMENTS:
1552 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT);
1553 break;
1554 case SCTP_I_WANT_MAPPED_V4_ADDR:
1555 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4);
1556 break;
1557 case SCTP_AUTO_ASCONF:
1558 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1559 /* only valid for bound all sockets */
1560 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);
1561 } else {
1562 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1563 error = EINVAL;
1564 goto flags_out;
1565 }
1566 break;
1567 case SCTP_EXPLICIT_EOR:
1568 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR);
1569 break;
1570 case SCTP_NODELAY:
1571 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY);
1572 break;
1573 case SCTP_USE_EXT_RCVINFO:
1574 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO);
1575 break;
1576 case SCTP_AUTOCLOSE:
1577 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE))
1578 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time);
1579 else
1580 val = 0;
1581 break;
1582
1583 default:
1584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
1585 error = ENOPROTOOPT;
1586 } /* end switch (sopt->sopt_name) */
1587 if (*optsize < sizeof(val)) {
1588 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1589 error = EINVAL;
1590 }
1591flags_out:
1592 SCTP_INP_RUNLOCK(inp);
1593 if (error == 0) {
1594 /* return the option value */
1595 *(int *)optval = val;
1596 *optsize = sizeof(val);
1597 }
1598 break;
1599 case SCTP_GET_PACKET_LOG:
1600 {
1601#ifdef SCTP_PACKET_LOGGING
1602 uint8_t *target;
1603 int ret;
1604
1605 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize);
1606 ret = sctp_copy_out_packet_log(target, (int)*optsize);
1607 *optsize = ret;
1608#else
1609 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1610 error = EOPNOTSUPP;
1611#endif
1612 break;
1613 }
1614 case SCTP_REUSE_PORT:
1615 {
1616 uint32_t *value;
1617
1618 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
1619 /* Can't do this for a 1-m socket */
1620 error = EINVAL;
1621 break;
1622 }
1623 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1624 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
1625 *optsize = sizeof(uint32_t);
1626 break;
1627 }
1628 case SCTP_PARTIAL_DELIVERY_POINT:
1629 {
1630 uint32_t *value;
1631
1632 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1633 *value = inp->partial_delivery_point;
1634 *optsize = sizeof(uint32_t);
1635 break;
1636 }
1637 case SCTP_FRAGMENT_INTERLEAVE:
1638 {
1639 uint32_t *value;
1640
1641 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1642 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) {
1643 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) {
1644 *value = SCTP_FRAG_LEVEL_2;
1645 } else {
1646 *value = SCTP_FRAG_LEVEL_1;
1647 }
1648 } else {
1649 *value = SCTP_FRAG_LEVEL_0;
1650 }
1651 *optsize = sizeof(uint32_t);
1652 break;
1653 }
1654 case SCTP_INTERLEAVING_SUPPORTED:
1655 {
1656 struct sctp_assoc_value *av;
1657
1658 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1659 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1660
1661 if (stcb) {
1662 av->assoc_value = stcb->asoc.idata_supported;
1663 SCTP_TCB_UNLOCK(stcb);
1664 } else {
1665 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1666 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1667 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
1668 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
1669 SCTP_INP_RLOCK(inp);
1670 if (inp->idata_supported) {
1671 av->assoc_value = 1;
1672 } else {
1673 av->assoc_value = 0;
1674 }
1675 SCTP_INP_RUNLOCK(inp);
1676 } else {
1677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1678 error = EINVAL;
1679 }
1680 }
1681 if (error == 0) {
1682 *optsize = sizeof(struct sctp_assoc_value);
1683 }
1684 break;
1685 }
1686 case SCTP_CMT_ON_OFF:
1687 {
1688 struct sctp_assoc_value *av;
1689
1690 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1691 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1692 if (stcb) {
1693 av->assoc_value = stcb->asoc.sctp_cmt_on_off;
1694 SCTP_TCB_UNLOCK(stcb);
1695 } else {
1696 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1697 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1698 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
1699 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
1700 SCTP_INP_RLOCK(inp);
1701 av->assoc_value = inp->sctp_cmt_on_off;
1702 SCTP_INP_RUNLOCK(inp);
1703 } else {
1704 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1705 error = EINVAL;
1706 }
1707 }
1708 if (error == 0) {
1709 *optsize = sizeof(struct sctp_assoc_value);
1710 }
1711 break;
1712 }
1713 case SCTP_PLUGGABLE_CC:
1714 {
1715 struct sctp_assoc_value *av;
1716
1717 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1718 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1719 if (stcb) {
1720 av->assoc_value = stcb->asoc.congestion_control_module;
1721 SCTP_TCB_UNLOCK(stcb);
1722 } else {
1723 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1724 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1725 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
1726 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
1727 SCTP_INP_RLOCK(inp);
1728 av->assoc_value = inp->sctp_ep.sctp_default_cc_module;
1729 SCTP_INP_RUNLOCK(inp);
1730 } else {
1731 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1732 error = EINVAL;
1733 }
1734 }
1735 if (error == 0) {
1736 *optsize = sizeof(struct sctp_assoc_value);
1737 }
1738 break;
1739 }
1740 case SCTP_CC_OPTION:
1741 {
1742 struct sctp_cc_option *cc_opt;
1743
1744 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize);
1745 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
1746 if (stcb == NULL) {
1747 error = EINVAL;
1748 } else {
1749 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
1750 error = ENOTSUP;
1751 } else {
1752 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt);
1753 *optsize = sizeof(struct sctp_cc_option);
1754 }
1755 SCTP_TCB_UNLOCK(stcb);
1756 }
1757 break;
1758 }
1759 case SCTP_PLUGGABLE_SS:
1760 {
1761 struct sctp_assoc_value *av;
1762
1763 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1764 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1765 if (stcb) {
1766 av->assoc_value = stcb->asoc.stream_scheduling_module;
1767 SCTP_TCB_UNLOCK(stcb);
1768 } else {
1769 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1770 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1771 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
1772 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
1773 SCTP_INP_RLOCK(inp);
1774 av->assoc_value = inp->sctp_ep.sctp_default_ss_module;
1775 SCTP_INP_RUNLOCK(inp);
1776 } else {
1777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1778 error = EINVAL;
1779 }
1780 }
1781 if (error == 0) {
1782 *optsize = sizeof(struct sctp_assoc_value);
1783 }
1784 break;
1785 }
1786 case SCTP_SS_VALUE:
1787 {
1788 struct sctp_stream_value *av;
1789
1790 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize);
1791 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1792 if (stcb) {
1793 if ((av->stream_id >= stcb->asoc.streamoutcnt) ||
1794 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
1795 &av->stream_value) < 0)) {
1796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1797 error = EINVAL;
1798 } else {
1799 *optsize = sizeof(struct sctp_stream_value);
1800 }
1801 SCTP_TCB_UNLOCK(stcb);
1802 } else {
1803 /*
1804 * Can't get stream value without
1805 * association
1806 */
1807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1808 error = EINVAL;
1809 }
1810 break;
1811 }
1812 case SCTP_GET_ADDR_LEN:
1813 {
1814 struct sctp_assoc_value *av;
1815
1816 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1817 error = EINVAL;
1818#ifdef INET
1819 if (av->assoc_value == AF_INET) {
1820 av->assoc_value = sizeof(struct sockaddr_in);
1821 error = 0;
1822 }
1823#endif
1824#ifdef INET6
1825 if (av->assoc_value == AF_INET6) {
1826 av->assoc_value = sizeof(struct sockaddr_in6);
1827 error = 0;
1828 }
1829#endif
1830 if (error) {
1831 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1832 } else {
1833 *optsize = sizeof(struct sctp_assoc_value);
1834 }
1835 break;
1836 }
1837 case SCTP_GET_ASSOC_NUMBER:
1838 {
1839 uint32_t *value, cnt;
1840
1841 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1842 SCTP_INP_RLOCK(inp);
1843 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1844 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
1845 /* Can't do this for a 1-1 socket */
1846 error = EINVAL;
1847 SCTP_INP_RUNLOCK(inp);
1848 break;
1849 }
1850 cnt = 0;
1851 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
1852 cnt++;
1853 }
1854 SCTP_INP_RUNLOCK(inp);
1855 *value = cnt;
1856 *optsize = sizeof(uint32_t);
1857 break;
1858 }
1859 case SCTP_GET_ASSOC_ID_LIST:
1860 {
1861 struct sctp_assoc_ids *ids;
1862 uint32_t at;
1863 size_t limit;
1864
1865 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize);
1866 SCTP_INP_RLOCK(inp);
1867 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1868 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
1869 /* Can't do this for a 1-1 socket */
1870 error = EINVAL;
1871 SCTP_INP_RUNLOCK(inp);
1872 break;
1873 }
1874 at = 0;
1875 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t);
1876 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
1877 if (at < limit) {
1878 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb);
1879 if (at == 0) {
1880 error = EINVAL;
1881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1882 break;
1883 }
1884 } else {
1885 error = EINVAL;
1886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1887 break;
1888 }
1889 }
1890 SCTP_INP_RUNLOCK(inp);
1891 if (error == 0) {
1892 ids->gaids_number_of_ids = at;
1893 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t));
1894 }
1895 break;
1896 }
1897 case SCTP_CONTEXT:
1898 {
1899 struct sctp_assoc_value *av;
1900
1901 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1902 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1903
1904 if (stcb) {
1905 av->assoc_value = stcb->asoc.context;
1906 SCTP_TCB_UNLOCK(stcb);
1907 } else {
1908 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1909 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1910 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
1911 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
1912 SCTP_INP_RLOCK(inp);
1913 av->assoc_value = inp->sctp_context;
1914 SCTP_INP_RUNLOCK(inp);
1915 } else {
1916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1917 error = EINVAL;
1918 }
1919 }
1920 if (error == 0) {
1921 *optsize = sizeof(struct sctp_assoc_value);
1922 }
1923 break;
1924 }
1925 case SCTP_VRF_ID:
1926 {
1927 uint32_t *default_vrfid;
1928
1929 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize);
1930 *default_vrfid = inp->def_vrf_id;
1931 *optsize = sizeof(uint32_t);
1932 break;
1933 }
1934 case SCTP_GET_ASOC_VRF:
1935 {
1936 struct sctp_assoc_value *id;
1937
1938 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize);
1939 SCTP_FIND_STCB(inp, stcb, id->assoc_id);
1940 if (stcb == NULL) {
1941 error = EINVAL;
1942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1943 } else {
1944 id->assoc_value = stcb->asoc.vrf_id;
1945 SCTP_TCB_UNLOCK(stcb);
1946 *optsize = sizeof(struct sctp_assoc_value);
1947 }
1948 break;
1949 }
1950 case SCTP_GET_VRF_IDS:
1951 {
1952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1953 error = EOPNOTSUPP;
1954 break;
1955 }
1956 case SCTP_GET_NONCE_VALUES:
1957 {
1958 struct sctp_get_nonce_values *gnv;
1959
1960 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize);
1961 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id);
1962
1963 if (stcb) {
1964 gnv->gn_peers_tag = stcb->asoc.peer_vtag;
1965 gnv->gn_local_tag = stcb->asoc.my_vtag;
1966 SCTP_TCB_UNLOCK(stcb);
1967 *optsize = sizeof(struct sctp_get_nonce_values);
1968 } else {
1969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
1970 error = ENOTCONN;
1971 }
1972 break;
1973 }
1974 case SCTP_DELAYED_SACK:
1975 {
1976 struct sctp_sack_info *sack;
1977
1978 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize);
1979 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
1980 if (stcb) {
1981 sack->sack_delay = stcb->asoc.delayed_ack;
1982 sack->sack_freq = stcb->asoc.sack_freq;
1983 SCTP_TCB_UNLOCK(stcb);
1984 } else {
1985 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1986 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1987 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
1988 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) {
1989 SCTP_INP_RLOCK(inp);
1990 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]);
1991 sack->sack_freq = inp->sctp_ep.sctp_sack_freq;
1992 SCTP_INP_RUNLOCK(inp);
1993 } else {
1994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1995 error = EINVAL;
1996 }
1997 }
1998 if (error == 0) {
1999 *optsize = sizeof(struct sctp_sack_info);
2000 }
2001 break;
2002 }
2003 case SCTP_GET_SNDBUF_USE:
2004 {
2005 struct sctp_sockstat *ss;
2006
2007 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize);
2008 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id);
2009
2010 if (stcb) {
2011 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size;
2012 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue +
2013 stcb->asoc.size_on_all_streams);
2014 SCTP_TCB_UNLOCK(stcb);
2015 *optsize = sizeof(struct sctp_sockstat);
2016 } else {
2017 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2018 error = ENOTCONN;
2019 }
2020 break;
2021 }
2022 case SCTP_MAX_BURST:
2023 {
2024 struct sctp_assoc_value *av;
2025
2026 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2027 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2028
2029 if (stcb) {
2030 av->assoc_value = stcb->asoc.max_burst;
2031 SCTP_TCB_UNLOCK(stcb);
2032 } else {
2033 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2034 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2035 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2036 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
2037 SCTP_INP_RLOCK(inp);
2038 av->assoc_value = inp->sctp_ep.max_burst;
2039 SCTP_INP_RUNLOCK(inp);
2040 } else {
2041 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2042 error = EINVAL;
2043 }
2044 }
2045 if (error == 0) {
2046 *optsize = sizeof(struct sctp_assoc_value);
2047 }
2048 break;
2049 }
2050 case SCTP_MAXSEG:
2051 {
2052 struct sctp_assoc_value *av;
2053
2054 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2055 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2056
2057 if (stcb) {
2058 av->assoc_value = stcb->asoc.sctp_frag_point;
2059 SCTP_TCB_UNLOCK(stcb);
2060 } else {
2061 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2062 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2063 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2064 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
2065 SCTP_INP_RLOCK(inp);
2066 av->assoc_value = inp->sctp_frag_point;
2067 SCTP_INP_RUNLOCK(inp);
2068 } else {
2069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2070 error = EINVAL;
2071 }
2072 }
2073 if (error == 0) {
2074 *optsize = sizeof(struct sctp_assoc_value);
2075 }
2076 break;
2077 }
2078 case SCTP_GET_STAT_LOG:
2079 error = sctp_fill_stat_log(optval, optsize);
2080 break;
2081 case SCTP_EVENTS:
2082 {
2083 struct sctp_event_subscribe *events;
2084
2085 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize);
2086 memset(events, 0, sizeof(struct sctp_event_subscribe));
2087 SCTP_INP_RLOCK(inp);
2088 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT))
2089 events->sctp_data_io_event = 1;
2090
2091 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT))
2092 events->sctp_association_event = 1;
2093
2094 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT))
2095 events->sctp_address_event = 1;
2096
2097 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT))
2098 events->sctp_send_failure_event = 1;
2099
2100 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR))
2101 events->sctp_peer_error_event = 1;
2102
2103 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT))
2104 events->sctp_shutdown_event = 1;
2105
2106 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT))
2107 events->sctp_partial_delivery_event = 1;
2108
2109 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT))
2110 events->sctp_adaptation_layer_event = 1;
2111
2112 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT))
2113 events->sctp_authentication_event = 1;
2114
2115 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT))
2116 events->sctp_sender_dry_event = 1;
2117
2118 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT))
2119 events->sctp_stream_reset_event = 1;
2120 SCTP_INP_RUNLOCK(inp);
2121 *optsize = sizeof(struct sctp_event_subscribe);
2122 break;
2123 }
2124 case SCTP_ADAPTATION_LAYER:
2125 {
2126 uint32_t *value;
2127
2128 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2129
2130 SCTP_INP_RLOCK(inp);
2131 *value = inp->sctp_ep.adaptation_layer_indicator;
2132 SCTP_INP_RUNLOCK(inp);
2133 *optsize = sizeof(uint32_t);
2134 break;
2135 }
2136 case SCTP_SET_INITIAL_DBG_SEQ:
2137 {
2138 uint32_t *value;
2139
2140 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2141 SCTP_INP_RLOCK(inp);
2142 *value = inp->sctp_ep.initial_sequence_debug;
2143 SCTP_INP_RUNLOCK(inp);
2144 *optsize = sizeof(uint32_t);
2145 break;
2146 }
2147 case SCTP_GET_LOCAL_ADDR_SIZE:
2148 {
2149 uint32_t *value;
2150
2151 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2152 SCTP_INP_RLOCK(inp);
2153 *value = (uint32_t)sctp_max_size_addresses(inp);
2154 SCTP_INP_RUNLOCK(inp);
2155 *optsize = sizeof(uint32_t);
2156 break;
2157 }
2158 case SCTP_GET_REMOTE_ADDR_SIZE:
2159 {
2160 uint32_t *value;
2161 struct sctp_nets *net;
2162 size_t size;
2163
2164 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2165 /* FIXME MT: change to sctp_assoc_value? */
2166 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value);
2167
2168 if (stcb != NULL) {
2169 size = 0;
2170 /* Count the sizes */
2171 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2172 switch (net->ro._l_addr.sa.sa_family) {
2173#ifdef INET
2174 case AF_INET:
2175#ifdef INET6
2176 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2177 size += sizeof(struct sockaddr_in6);
2178 } else {
2179 size += sizeof(struct sockaddr_in);
2180 }
2181#else
2182 size += sizeof(struct sockaddr_in);
2183#endif
2184 break;
2185#endif
2186#ifdef INET6
2187 case AF_INET6:
2188 size += sizeof(struct sockaddr_in6);
2189 break;
2190#endif
2191 default:
2192 break;
2193 }
2194 }
2195 SCTP_TCB_UNLOCK(stcb);
2196 *value = (uint32_t)size;
2197 *optsize = sizeof(uint32_t);
2198 } else {
2199 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2200 ((sctp_assoc_t)*value <= SCTP_ALL_ASSOC)) {
2201 error = EINVAL;
2202 } else {
2203 error = ENOENT;
2204 }
2205 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2206 }
2207 break;
2208 }
2209 case SCTP_GET_PEER_ADDRESSES:
2210 /*
2211 * Get the address information, an array is passed in to
2212 * fill up we pack it.
2213 */
2214 {
2215 size_t cpsz, left;
2216 struct sockaddr *addr;
2217 struct sctp_nets *net;
2218 struct sctp_getaddresses *saddr;
2219
2220 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2221 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2222
2223 if (stcb != NULL) {
2224 left = *optsize - offsetof(struct sctp_getaddresses, addr);
2225 *optsize = offsetof(struct sctp_getaddresses, addr);
2226 addr = &saddr->addr[0].sa;
2227
2228 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2229 switch (net->ro._l_addr.sa.sa_family) {
2230#ifdef INET
2231 case AF_INET:
2232#ifdef INET6
2233 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2234 cpsz = sizeof(struct sockaddr_in6);
2235 } else {
2236 cpsz = sizeof(struct sockaddr_in);
2237 }
2238#else
2239 cpsz = sizeof(struct sockaddr_in);
2240#endif
2241 break;
2242#endif
2243#ifdef INET6
2244 case AF_INET6:
2245 cpsz = sizeof(struct sockaddr_in6);
2246 break;
2247#endif
2248 default:
2249 cpsz = 0;
2250 break;
2251 }
2252 if (cpsz == 0) {
2253 break;
2254 }
2255 if (left < cpsz) {
2256 /* not enough room. */
2257 break;
2258 }
2259#if defined(INET) && defined(INET6)
2260 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) &&
2261 (net->ro._l_addr.sa.sa_family == AF_INET)) {
2262 /* Must map the address */
2263 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin,
2264 (struct sockaddr_in6 *)addr);
2265 } else {
2266 memcpy(addr, &net->ro._l_addr, cpsz);
2267 }
2268#else
2269 memcpy(addr, &net->ro._l_addr, cpsz);
2270#endif
2271 ((struct sockaddr_in *)addr)->sin_port = stcb->rport;
2272
2273 addr = (struct sockaddr *)((caddr_t)addr + cpsz);
2274 left -= cpsz;
2275 *optsize += cpsz;
2276 }
2277 SCTP_TCB_UNLOCK(stcb);
2278 } else {
2279 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2280 (saddr->sget_assoc_id <= SCTP_ALL_ASSOC)) {
2281 error = EINVAL;
2282 } else {
2283 error = ENOENT;
2284 }
2285 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2286 }
2287 break;
2288 }
2289 case SCTP_GET_LOCAL_ADDRESSES:
2290 {
2291 size_t limit, actual;
2292 struct sctp_getaddresses *saddr;
2293
2294 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2295 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2296
2297 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2298 ((saddr->sget_assoc_id == SCTP_CURRENT_ASSOC) ||
2299 (saddr->sget_assoc_id == SCTP_ALL_ASSOC))) {
2300 error = EINVAL;
2301 } else {
2302 limit = *optsize - offsetof(struct sctp_getaddresses, addr);
2303 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa);
2304 *optsize = offsetof(struct sctp_getaddresses, addr) + actual;
2305 }
2306 if (stcb != NULL) {
2307 SCTP_TCB_UNLOCK(stcb);
2308 }
2309 break;
2310 }
2311 case SCTP_PEER_ADDR_PARAMS:
2312 {
2313 struct sctp_paddrparams *paddrp;
2314 struct sctp_nets *net;
2315 struct sockaddr *addr;
2316#if defined(INET) && defined(INET6)
2317 struct sockaddr_in sin_store;
2318#endif
2319
2320 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize);
2321 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
2322
2323#if defined(INET) && defined(INET6)
2324 if (paddrp->spp_address.ss_family == AF_INET6) {
2325 struct sockaddr_in6 *sin6;
2326
2327 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address;
2328 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
2329 in6_sin6_2_sin(&sin_store, sin6);
2330 addr = (struct sockaddr *)&sin_store;
2331 } else {
2332 addr = (struct sockaddr *)&paddrp->spp_address;
2333 }
2334 } else {
2335 addr = (struct sockaddr *)&paddrp->spp_address;
2336 }
2337#else
2338 addr = (struct sockaddr *)&paddrp->spp_address;
2339#endif
2340 if (stcb != NULL) {
2341 net = sctp_findnet(stcb, addr);
2342 } else {
2343 /*
2344 * We increment here since
2345 * sctp_findassociation_ep_addr() wil do a
2346 * decrement if it finds the stcb as long as
2347 * the locked tcb (last argument) is NOT a
2348 * TCB.. aka NULL.
2349 */
2350 net = NULL;
2351 SCTP_INP_INCR_REF(inp);
2352 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
2353 if (stcb == NULL) {
2354 SCTP_INP_DECR_REF(inp);
2355 }
2356 }
2357 if ((stcb != NULL) && (net == NULL)) {
2358#ifdef INET
2359 if (addr->sa_family == AF_INET) {
2360 struct sockaddr_in *sin;
2361
2362 sin = (struct sockaddr_in *)addr;
2363 if (sin->sin_addr.s_addr != INADDR_ANY) {
2364 error = EINVAL;
2365 SCTP_TCB_UNLOCK(stcb);
2366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2367 break;
2368 }
2369 } else
2370#endif
2371#ifdef INET6
2372 if (addr->sa_family == AF_INET6) {
2373 struct sockaddr_in6 *sin6;
2374
2375 sin6 = (struct sockaddr_in6 *)addr;
2376 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
2377 error = EINVAL;
2378 SCTP_TCB_UNLOCK(stcb);
2379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2380 break;
2381 }
2382 } else
2383#endif
2384 {
2385 error = EAFNOSUPPORT;
2386 SCTP_TCB_UNLOCK(stcb);
2387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2388 break;
2389 }
2390 }
2391
2392 if (stcb != NULL) {
2393 /* Applies to the specific association */
2394 paddrp->spp_flags = 0;
2395 if (net != NULL) {
2396 paddrp->spp_hbinterval = net->heart_beat_delay;
2397 paddrp->spp_pathmaxrxt = net->failure_threshold;
2398 paddrp->spp_pathmtu = net->mtu;
2399 switch (net->ro._l_addr.sa.sa_family) {
2400#ifdef INET
2401 case AF_INET:
2402 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD;
2403 break;
2404#endif
2405#ifdef INET6
2406 case AF_INET6:
2407 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD;
2408 break;
2409#endif
2410 default:
2411 break;
2412 }
2413 /* get flags for HB */
2414 if (net->dest_state & SCTP_ADDR_NOHB) {
2415 paddrp->spp_flags |= SPP_HB_DISABLE;
2416 } else {
2417 paddrp->spp_flags |= SPP_HB_ENABLE;
2418 }
2419 /* get flags for PMTU */
2420 if (net->dest_state & SCTP_ADDR_NO_PMTUD) {
2421 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2422 } else {
2423 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2424 }
2425 if (net->dscp & 0x01) {
2426 paddrp->spp_dscp = net->dscp & 0xfc;
2427 paddrp->spp_flags |= SPP_DSCP;
2428 }
2429#ifdef INET6
2430 if ((net->ro._l_addr.sa.sa_family == AF_INET6) &&
2431 (net->flowlabel & 0x80000000)) {
2432 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff;
2433 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2434 }
2435#endif
2436 } else {
2437 /*
2438 * No destination so return default
2439 * value
2440 */
2441 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
2442 paddrp->spp_pathmtu = stcb->asoc.default_mtu;
2443 if (stcb->asoc.default_dscp & 0x01) {
2444 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc;
2445 paddrp->spp_flags |= SPP_DSCP;
2446 }
2447#ifdef INET6
2448 if (stcb->asoc.default_flowlabel & 0x80000000) {
2449 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff;
2450 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2451 }
2452#endif
2453 /* default settings should be these */
2454 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
2455 paddrp->spp_flags |= SPP_HB_DISABLE;
2456 } else {
2457 paddrp->spp_flags |= SPP_HB_ENABLE;
2458 }
2459 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
2460 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2461 } else {
2462 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2463 }
2464 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay;
2465 }
2466 paddrp->spp_assoc_id = sctp_get_associd(stcb);
2467 SCTP_TCB_UNLOCK(stcb);
2468 } else {
2469 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2470 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2471 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2472 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) {
2473 /* Use endpoint defaults */
2474 SCTP_INP_RLOCK(inp);
2475 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure;
2476 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]);
2477 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC;
2478 /* get inp's default */
2479 if (inp->sctp_ep.default_dscp & 0x01) {
2480 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc;
2481 paddrp->spp_flags |= SPP_DSCP;
2482 }
2483#ifdef INET6
2484 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
2485 (inp->sctp_ep.default_flowlabel & 0x80000000)) {
2486 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff;
2487 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2488 }
2489#endif
2490 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu;
2491
2492 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
2493 paddrp->spp_flags |= SPP_HB_ENABLE;
2494 } else {
2495 paddrp->spp_flags |= SPP_HB_DISABLE;
2496 }
2497 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
2498 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2499 } else {
2500 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2501 }
2502 SCTP_INP_RUNLOCK(inp);
2503 } else {
2504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2505 error = EINVAL;
2506 }
2507 }
2508 if (error == 0) {
2509 *optsize = sizeof(struct sctp_paddrparams);
2510 }
2511 break;
2512 }
2513 case SCTP_GET_PEER_ADDR_INFO:
2514 {
2515 struct sctp_paddrinfo *paddri;
2516 struct sctp_nets *net;
2517 struct sockaddr *addr;
2518#if defined(INET) && defined(INET6)
2519 struct sockaddr_in sin_store;
2520#endif
2521
2522 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize);
2523 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id);
2524
2525#if defined(INET) && defined(INET6)
2526 if (paddri->spinfo_address.ss_family == AF_INET6) {
2527 struct sockaddr_in6 *sin6;
2528
2529 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address;
2530 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
2531 in6_sin6_2_sin(&sin_store, sin6);
2532 addr = (struct sockaddr *)&sin_store;
2533 } else {
2534 addr = (struct sockaddr *)&paddri->spinfo_address;
2535 }
2536 } else {
2537 addr = (struct sockaddr *)&paddri->spinfo_address;
2538 }
2539#else
2540 addr = (struct sockaddr *)&paddri->spinfo_address;
2541#endif
2542 if (stcb != NULL) {
2543 net = sctp_findnet(stcb, addr);
2544 } else {
2545 /*
2546 * We increment here since
2547 * sctp_findassociation_ep_addr() wil do a
2548 * decrement if it finds the stcb as long as
2549 * the locked tcb (last argument) is NOT a
2550 * TCB.. aka NULL.
2551 */
2552 net = NULL;
2553 SCTP_INP_INCR_REF(inp);
2554 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
2555 if (stcb == NULL) {
2556 SCTP_INP_DECR_REF(inp);
2557 }
2558 }
2559
2560 if ((stcb != NULL) && (net != NULL)) {
2561 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
2562 /* It's unconfirmed */
2563 paddri->spinfo_state = SCTP_UNCONFIRMED;
2564 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
2565 /* It's active */
2566 paddri->spinfo_state = SCTP_ACTIVE;
2567 } else {
2568 /* It's inactive */
2569 paddri->spinfo_state = SCTP_INACTIVE;
2570 }
2571 paddri->spinfo_cwnd = net->cwnd;
2572 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
2573 paddri->spinfo_rto = net->RTO;
2574 paddri->spinfo_assoc_id = sctp_get_associd(stcb);
2575 paddri->spinfo_mtu = net->mtu;
2576 switch (addr->sa_family) {
2577#if defined(INET)
2578 case AF_INET:
2579 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD;
2580 break;
2581#endif
2582#if defined(INET6)
2583 case AF_INET6:
2584 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD;
2585 break;
2586#endif
2587 default:
2588 break;
2589 }
2590 SCTP_TCB_UNLOCK(stcb);
2591 *optsize = sizeof(struct sctp_paddrinfo);
2592 } else {
2593 if (stcb != NULL) {
2594 SCTP_TCB_UNLOCK(stcb);
2595 }
2596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2597 error = ENOENT;
2598 }
2599 break;
2600 }
2601 case SCTP_PCB_STATUS:
2602 {
2603 struct sctp_pcbinfo *spcb;
2604
2605 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize);
2606 sctp_fill_pcbinfo(spcb);
2607 *optsize = sizeof(struct sctp_pcbinfo);
2608 break;
2609 }
2610 case SCTP_STATUS:
2611 {
2612 struct sctp_nets *net;
2613 struct sctp_status *sstat;
2614
2615 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize);
2616 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id);
2617
2618 if (stcb == NULL) {
2619 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2620 error = EINVAL;
2621 break;
2622 }
2623 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state);
2624 sstat->sstat_assoc_id = sctp_get_associd(stcb);
2625 sstat->sstat_rwnd = stcb->asoc.peers_rwnd;
2626 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt;
2627 /*
2628 * We can't include chunks that have been passed to
2629 * the socket layer. Only things in queue.
2630 */
2631 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue +
2632 stcb->asoc.cnt_on_all_streams);
2633 sstat->sstat_instrms = stcb->asoc.streamincnt;
2634 sstat->sstat_outstrms = stcb->asoc.streamoutcnt;
2635 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb);
2636 net = stcb->asoc.primary_destination;
2637 if (net != NULL) {
2638 memcpy(&sstat->sstat_primary.spinfo_address,
2639 &net->ro._l_addr,
2640 ((struct sockaddr *)(&net->ro._l_addr))->sa_len);
2641 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport;
2642 /*
2643 * Again the user can get info from
2644 * sctp_constants.h for what the state of
2645 * the network is.
2646 */
2647 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
2648 /* It's unconfirmed */
2649 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED;
2650 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
2651 /* It's active */
2652 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE;
2653 } else {
2654 /* It's inactive */
2655 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE;
2656 }
2657 sstat->sstat_primary.spinfo_cwnd = net->cwnd;
2658 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
2659 sstat->sstat_primary.spinfo_rto = net->RTO;
2660 sstat->sstat_primary.spinfo_mtu = net->mtu;
2661 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) {
2662#if defined(INET)
2663 case AF_INET:
2664 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD;
2665 break;
2666#endif
2667#if defined(INET6)
2668 case AF_INET6:
2669 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD;
2670 break;
2671#endif
2672 default:
2673 break;
2674 }
2675 } else {
2676 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo));
2677 }
2678 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb);
2679 SCTP_TCB_UNLOCK(stcb);
2680 *optsize = sizeof(struct sctp_status);
2681 break;
2682 }
2683 case SCTP_RTOINFO:
2684 {
2685 struct sctp_rtoinfo *srto;
2686
2687 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize);
2688 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
2689
2690 if (stcb) {
2691 srto->srto_initial = stcb->asoc.initial_rto;
2692 srto->srto_max = stcb->asoc.maxrto;
2693 srto->srto_min = stcb->asoc.minrto;
2694 SCTP_TCB_UNLOCK(stcb);
2695 } else {
2696 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2697 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2698 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2699 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) {
2700 SCTP_INP_RLOCK(inp);
2701 srto->srto_initial = inp->sctp_ep.initial_rto;
2702 srto->srto_max = inp->sctp_ep.sctp_maxrto;
2703 srto->srto_min = inp->sctp_ep.sctp_minrto;
2704 SCTP_INP_RUNLOCK(inp);
2705 } else {
2706 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2707 error = EINVAL;
2708 }
2709 }
2710 if (error == 0) {
2711 *optsize = sizeof(struct sctp_rtoinfo);
2712 }
2713 break;
2714 }
2715 case SCTP_TIMEOUTS:
2716 {
2717 struct sctp_timeouts *stimo;
2718
2719 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize);
2720 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id);
2721
2722 if (stcb) {
2723 stimo->stimo_init = stcb->asoc.timoinit;
2724 stimo->stimo_data = stcb->asoc.timodata;
2725 stimo->stimo_sack = stcb->asoc.timosack;
2726 stimo->stimo_shutdown = stcb->asoc.timoshutdown;
2727 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat;
2728 stimo->stimo_cookie = stcb->asoc.timocookie;
2729 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack;
2730 SCTP_TCB_UNLOCK(stcb);
2731 *optsize = sizeof(struct sctp_timeouts);
2732 } else {
2733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2734 error = EINVAL;
2735 }
2736 break;
2737 }
2738 case SCTP_ASSOCINFO:
2739 {
2740 struct sctp_assocparams *sasoc;
2741
2742 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize);
2743 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
2744
2745 if (stcb) {
2746 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life);
2747 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times;
2748 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
2749 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd;
2750 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd;
2751 SCTP_TCB_UNLOCK(stcb);
2752 } else {
2753 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2754 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2755 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2756 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) {
2757 SCTP_INP_RLOCK(inp);
2758 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life);
2759 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times;
2760 sasoc->sasoc_number_peer_destinations = 0;
2761 sasoc->sasoc_peer_rwnd = 0;
2762 sasoc->sasoc_local_rwnd = (uint32_t)sbspace(&inp->sctp_socket->so_rcv);
2763 SCTP_INP_RUNLOCK(inp);
2764 } else {
2765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2766 error = EINVAL;
2767 }
2768 }
2769 if (error == 0) {
2770 *optsize = sizeof(struct sctp_assocparams);
2771 }
2772 break;
2773 }
2774 case SCTP_DEFAULT_SEND_PARAM:
2775 {
2776 struct sctp_sndrcvinfo *s_info;
2777
2778 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize);
2779 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
2780
2781 if (stcb) {
2782 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send));
2783 SCTP_TCB_UNLOCK(stcb);
2784 } else {
2785 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2786 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2787 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2788 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) {
2789 SCTP_INP_RLOCK(inp);
2790 memcpy(s_info, &inp->def_send, sizeof(inp->def_send));
2791 SCTP_INP_RUNLOCK(inp);
2792 } else {
2793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2794 error = EINVAL;
2795 }
2796 }
2797 if (error == 0) {
2798 *optsize = sizeof(struct sctp_sndrcvinfo);
2799 }
2800 break;
2801 }
2802 case SCTP_INITMSG:
2803 {
2804 struct sctp_initmsg *sinit;
2805
2806 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize);
2807 SCTP_INP_RLOCK(inp);
2808 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count;
2809 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome;
2810 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times;
2811 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max;
2812 SCTP_INP_RUNLOCK(inp);
2813 *optsize = sizeof(struct sctp_initmsg);
2814 break;
2815 }
2816 case SCTP_PRIMARY_ADDR:
2817 /* we allow a "get" operation on this */
2818 {
2819 struct sctp_setprim *ssp;
2820
2821 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize);
2822 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id);
2823
2824 if (stcb) {
2825 union sctp_sockstore *addr;
2826
2827 addr = &stcb->asoc.primary_destination->ro._l_addr;
2828 switch (addr->sa.sa_family) {
2829#ifdef INET
2830 case AF_INET:
2831#ifdef INET6
2832 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2833 in6_sin_2_v4mapsin6(&addr->sin,
2834 (struct sockaddr_in6 *)&ssp->ssp_addr);
2835 } else {
2836 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in));
2837 }
2838#else
2839 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in));
2840#endif
2841 break;
2842#endif
2843#ifdef INET6
2844 case AF_INET6:
2845 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6));
2846 break;
2847#endif
2848 default:
2849 break;
2850 }
2851 SCTP_TCB_UNLOCK(stcb);
2852 *optsize = sizeof(struct sctp_setprim);
2853 } else {
2854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2855 error = EINVAL;
2856 }
2857 break;
2858 }
2859 case SCTP_HMAC_IDENT:
2860 {
2861 struct sctp_hmacalgo *shmac;
2862 sctp_hmaclist_t *hmaclist;
2863 size_t size;
2864 int i;
2865
2866 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize);
2867
2868 SCTP_INP_RLOCK(inp);
2869 hmaclist = inp->sctp_ep.local_hmacs;
2870 if (hmaclist == NULL) {
2871 /* no HMACs to return */
2872 *optsize = sizeof(*shmac);
2873 SCTP_INP_RUNLOCK(inp);
2874 break;
2875 }
2876 /* is there room for all of the hmac ids? */
2877 size = sizeof(*shmac) + (hmaclist->num_algo *
2878 sizeof(shmac->shmac_idents[0]));
2879 if (*optsize < size) {
2880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2881 error = EINVAL;
2882 SCTP_INP_RUNLOCK(inp);
2883 break;
2884 }
2885 /* copy in the list */
2886 shmac->shmac_number_of_idents = hmaclist->num_algo;
2887 for (i = 0; i < hmaclist->num_algo; i++) {
2888 shmac->shmac_idents[i] = hmaclist->hmac[i];
2889 }
2890 SCTP_INP_RUNLOCK(inp);
2891 *optsize = size;
2892 break;
2893 }
2894 case SCTP_AUTH_ACTIVE_KEY:
2895 {
2896 struct sctp_authkeyid *scact;
2897
2898 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize);
2899 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
2900
2901 if (stcb) {
2902 /* get the active key on the assoc */
2903 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid;
2904 SCTP_TCB_UNLOCK(stcb);
2905 } else {
2906 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2907 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2908 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2909 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) {
2910 /* get the endpoint active key */
2911 SCTP_INP_RLOCK(inp);
2912 scact->scact_keynumber = inp->sctp_ep.default_keyid;
2913 SCTP_INP_RUNLOCK(inp);
2914 } else {
2915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2916 error = EINVAL;
2917 }
2918 }
2919 if (error == 0) {
2920 *optsize = sizeof(struct sctp_authkeyid);
2921 }
2922 break;
2923 }
2924 case SCTP_LOCAL_AUTH_CHUNKS:
2925 {
2926 struct sctp_authchunks *sac;
2927 sctp_auth_chklist_t *chklist = NULL;
2928 size_t size = 0;
2929
2930 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
2931 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
2932
2933 if (stcb) {
2934 /* get off the assoc */
2935 chklist = stcb->asoc.local_auth_chunks;
2936 /* is there enough space? */
2937 size = sctp_auth_get_chklist_size(chklist);
2938 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2939 error = EINVAL;
2940 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2941 } else {
2942 /* copy in the chunks */
2943 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2944 sac->gauth_number_of_chunks = (uint32_t)size;
2945 *optsize = sizeof(struct sctp_authchunks) + size;
2946 }
2947 SCTP_TCB_UNLOCK(stcb);
2948 } else {
2949 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2950 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2951 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2952 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) {
2953 /* get off the endpoint */
2954 SCTP_INP_RLOCK(inp);
2955 chklist = inp->sctp_ep.local_auth_chunks;
2956 /* is there enough space? */
2957 size = sctp_auth_get_chklist_size(chklist);
2958 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2959 error = EINVAL;
2960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2961 } else {
2962 /* copy in the chunks */
2963 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2964 sac->gauth_number_of_chunks = (uint32_t)size;
2965 *optsize = sizeof(struct sctp_authchunks) + size;
2966 }
2967 SCTP_INP_RUNLOCK(inp);
2968 } else {
2969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2970 error = EINVAL;
2971 }
2972 }
2973 break;
2974 }
2975 case SCTP_PEER_AUTH_CHUNKS:
2976 {
2977 struct sctp_authchunks *sac;
2978 sctp_auth_chklist_t *chklist = NULL;
2979 size_t size = 0;
2980
2981 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
2982 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
2983
2984 if (stcb) {
2985 /* get off the assoc */
2986 chklist = stcb->asoc.peer_auth_chunks;
2987 /* is there enough space? */
2988 size = sctp_auth_get_chklist_size(chklist);
2989 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2990 error = EINVAL;
2991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2992 } else {
2993 /* copy in the chunks */
2994 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2995 sac->gauth_number_of_chunks = (uint32_t)size;
2996 *optsize = sizeof(struct sctp_authchunks) + size;
2997 }
2998 SCTP_TCB_UNLOCK(stcb);
2999 } else {
3000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
3001 error = ENOENT;
3002 }
3003 break;
3004 }
3005 case SCTP_EVENT:
3006 {
3007 struct sctp_event *event;
3008 uint32_t event_type;
3009
3010 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize);
3011 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
3012
3013 switch (event->se_type) {
3014 case SCTP_ASSOC_CHANGE:
3015 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
3016 break;
3017 case SCTP_PEER_ADDR_CHANGE:
3018 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
3019 break;
3020 case SCTP_REMOTE_ERROR:
3021 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
3022 break;
3023 case SCTP_SEND_FAILED:
3024 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
3025 break;
3026 case SCTP_SHUTDOWN_EVENT:
3027 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
3028 break;
3029 case SCTP_ADAPTATION_INDICATION:
3030 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
3031 break;
3032 case SCTP_PARTIAL_DELIVERY_EVENT:
3033 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
3034 break;
3035 case SCTP_AUTHENTICATION_EVENT:
3036 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
3037 break;
3038 case SCTP_STREAM_RESET_EVENT:
3039 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
3040 break;
3041 case SCTP_SENDER_DRY_EVENT:
3042 event_type = SCTP_PCB_FLAGS_DRYEVNT;
3043 break;
3044 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
3045 event_type = 0;
3046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
3047 error = ENOTSUP;
3048 break;
3049 case SCTP_ASSOC_RESET_EVENT:
3050 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
3051 break;
3052 case SCTP_STREAM_CHANGE_EVENT:
3053 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
3054 break;
3055 case SCTP_SEND_FAILED_EVENT:
3056 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
3057 break;
3058 default:
3059 event_type = 0;
3060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3061 error = EINVAL;
3062 break;
3063 }
3064 if (event_type > 0) {
3065 if (stcb) {
3066 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type);
3067 } else {
3068 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3069 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3070 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3071 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) {
3072 SCTP_INP_RLOCK(inp);
3073 event->se_on = sctp_is_feature_on(inp, event_type);
3074 SCTP_INP_RUNLOCK(inp);
3075 } else {
3076 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3077 error = EINVAL;
3078 }
3079 }
3080 }
3081 if (stcb != NULL) {
3082 SCTP_TCB_UNLOCK(stcb);
3083 }
3084 if (error == 0) {
3085 *optsize = sizeof(struct sctp_event);
3086 }
3087 break;
3088 }
3089 case SCTP_RECVRCVINFO:
3090 if (*optsize < sizeof(int)) {
3091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3092 error = EINVAL;
3093 } else {
3094 SCTP_INP_RLOCK(inp);
3095 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
3096 SCTP_INP_RUNLOCK(inp);
3097 *optsize = sizeof(int);
3098 }
3099 break;
3100 case SCTP_RECVNXTINFO:
3101 if (*optsize < sizeof(int)) {
3102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3103 error = EINVAL;
3104 } else {
3105 SCTP_INP_RLOCK(inp);
3106 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
3107 SCTP_INP_RUNLOCK(inp);
3108 *optsize = sizeof(int);
3109 }
3110 break;
3111 case SCTP_DEFAULT_SNDINFO:
3112 {
3113 struct sctp_sndinfo *info;
3114
3115 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize);
3116 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
3117
3118 if (stcb) {
3119 info->snd_sid = stcb->asoc.def_send.sinfo_stream;
3120 info->snd_flags = stcb->asoc.def_send.sinfo_flags;
3121 info->snd_flags &= 0xfff0;
3122 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid;
3123 info->snd_context = stcb->asoc.def_send.sinfo_context;
3124 SCTP_TCB_UNLOCK(stcb);
3125 } else {
3126 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3127 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3128 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3129 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) {
3130 SCTP_INP_RLOCK(inp);
3131 info->snd_sid = inp->def_send.sinfo_stream;
3132 info->snd_flags = inp->def_send.sinfo_flags;
3133 info->snd_flags &= 0xfff0;
3134 info->snd_ppid = inp->def_send.sinfo_ppid;
3135 info->snd_context = inp->def_send.sinfo_context;
3136 SCTP_INP_RUNLOCK(inp);
3137 } else {
3138 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3139 error = EINVAL;
3140 }
3141 }
3142 if (error == 0) {
3143 *optsize = sizeof(struct sctp_sndinfo);
3144 }
3145 break;
3146 }
3147 case SCTP_DEFAULT_PRINFO:
3148 {
3149 struct sctp_default_prinfo *info;
3150
3151 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize);
3152 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
3153
3154 if (stcb) {
3155 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
3156 info->pr_value = stcb->asoc.def_send.sinfo_timetolive;
3157 SCTP_TCB_UNLOCK(stcb);
3158 } else {
3159 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3160 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3161 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3162 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) {
3163 SCTP_INP_RLOCK(inp);
3164 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
3165 info->pr_value = inp->def_send.sinfo_timetolive;
3166 SCTP_INP_RUNLOCK(inp);
3167 } else {
3168 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3169 error = EINVAL;
3170 }
3171 }
3172 if (error == 0) {
3173 *optsize = sizeof(struct sctp_default_prinfo);
3174 }
3175 break;
3176 }
3177 case SCTP_PEER_ADDR_THLDS:
3178 {
3179 struct sctp_paddrthlds *thlds;
3180 struct sctp_nets *net;
3181 struct sockaddr *addr;
3182#if defined(INET) && defined(INET6)
3183 struct sockaddr_in sin_store;
3184#endif
3185
3186 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize);
3187 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
3188
3189#if defined(INET) && defined(INET6)
3190 if (thlds->spt_address.ss_family == AF_INET6) {
3191 struct sockaddr_in6 *sin6;
3192
3193 sin6 = (struct sockaddr_in6 *)&thlds->spt_address;
3194 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
3195 in6_sin6_2_sin(&sin_store, sin6);
3196 addr = (struct sockaddr *)&sin_store;
3197 } else {
3198 addr = (struct sockaddr *)&thlds->spt_address;
3199 }
3200 } else {
3201 addr = (struct sockaddr *)&thlds->spt_address;
3202 }
3203#else
3204 addr = (struct sockaddr *)&thlds->spt_address;
3205#endif
3206 if (stcb != NULL) {
3207 net = sctp_findnet(stcb, addr);
3208 } else {
3209 /*
3210 * We increment here since
3211 * sctp_findassociation_ep_addr() wil do a
3212 * decrement if it finds the stcb as long as
3213 * the locked tcb (last argument) is NOT a
3214 * TCB.. aka NULL.
3215 */
3216 net = NULL;
3217 SCTP_INP_INCR_REF(inp);
3218 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
3219 if (stcb == NULL) {
3220 SCTP_INP_DECR_REF(inp);
3221 }
3222 }
3223 if ((stcb != NULL) && (net == NULL)) {
3224#ifdef INET
3225 if (addr->sa_family == AF_INET) {
3226 struct sockaddr_in *sin;
3227
3228 sin = (struct sockaddr_in *)addr;
3229 if (sin->sin_addr.s_addr != INADDR_ANY) {
3230 error = EINVAL;
3231 SCTP_TCB_UNLOCK(stcb);
3232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3233 break;
3234 }
3235 } else
3236#endif
3237#ifdef INET6
3238 if (addr->sa_family == AF_INET6) {
3239 struct sockaddr_in6 *sin6;
3240
3241 sin6 = (struct sockaddr_in6 *)addr;
3242 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3243 error = EINVAL;
3244 SCTP_TCB_UNLOCK(stcb);
3245 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3246 break;
3247 }
3248 } else
3249#endif
3250 {
3251 error = EAFNOSUPPORT;
3252 SCTP_TCB_UNLOCK(stcb);
3253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3254 break;
3255 }
3256 }
3257
3258 if (stcb != NULL) {
3259 if (net != NULL) {
3260 thlds->spt_pathmaxrxt = net->failure_threshold;
3261 thlds->spt_pathpfthld = net->pf_threshold;
3262 thlds->spt_pathcpthld = 0xffff;
3263 } else {
3264 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure;
3265 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold;
3266 thlds->spt_pathcpthld = 0xffff;
3267 }
3268 thlds->spt_assoc_id = sctp_get_associd(stcb);
3269 SCTP_TCB_UNLOCK(stcb);
3270 } else {
3271 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3272 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3273 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3274 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) {
3275 /* Use endpoint defaults */
3276 SCTP_INP_RLOCK(inp);
3277 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure;
3278 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold;
3279 thlds->spt_pathcpthld = 0xffff;
3280 SCTP_INP_RUNLOCK(inp);
3281 } else {
3282 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3283 error = EINVAL;
3284 }
3285 }
3286 if (error == 0) {
3287 *optsize = sizeof(struct sctp_paddrthlds);
3288 }
3289 break;
3290 }
3291 case SCTP_REMOTE_UDP_ENCAPS_PORT:
3292 {
3293 struct sctp_udpencaps *encaps;
3294 struct sctp_nets *net;
3295 struct sockaddr *addr;
3296#if defined(INET) && defined(INET6)
3297 struct sockaddr_in sin_store;
3298#endif
3299
3300 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize);
3301 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
3302
3303#if defined(INET) && defined(INET6)
3304 if (encaps->sue_address.ss_family == AF_INET6) {
3305 struct sockaddr_in6 *sin6;
3306
3307 sin6 = (struct sockaddr_in6 *)&encaps->sue_address;
3308 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
3309 in6_sin6_2_sin(&sin_store, sin6);
3310 addr = (struct sockaddr *)&sin_store;
3311 } else {
3312 addr = (struct sockaddr *)&encaps->sue_address;
3313 }
3314 } else {
3315 addr = (struct sockaddr *)&encaps->sue_address;
3316 }
3317#else
3318 addr = (struct sockaddr *)&encaps->sue_address;
3319#endif
3320 if (stcb) {
3321 net = sctp_findnet(stcb, addr);
3322 } else {
3323 /*
3324 * We increment here since
3325 * sctp_findassociation_ep_addr() wil do a
3326 * decrement if it finds the stcb as long as
3327 * the locked tcb (last argument) is NOT a
3328 * TCB.. aka NULL.
3329 */
3330 net = NULL;
3331 SCTP_INP_INCR_REF(inp);
3332 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
3333 if (stcb == NULL) {
3334 SCTP_INP_DECR_REF(inp);
3335 }
3336 }
3337 if ((stcb != NULL) && (net == NULL)) {
3338#ifdef INET
3339 if (addr->sa_family == AF_INET) {
3340 struct sockaddr_in *sin;
3341
3342 sin = (struct sockaddr_in *)addr;
3343 if (sin->sin_addr.s_addr != INADDR_ANY) {
3344 error = EINVAL;
3345 SCTP_TCB_UNLOCK(stcb);
3346 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3347 break;
3348 }
3349 } else
3350#endif
3351#ifdef INET6
3352 if (addr->sa_family == AF_INET6) {
3353 struct sockaddr_in6 *sin6;
3354
3355 sin6 = (struct sockaddr_in6 *)addr;
3356 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3357 error = EINVAL;
3358 SCTP_TCB_UNLOCK(stcb);
3359 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3360 break;
3361 }
3362 } else
3363#endif
3364 {
3365 error = EAFNOSUPPORT;
3366 SCTP_TCB_UNLOCK(stcb);
3367 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3368 break;
3369 }
3370 }
3371
3372 if (stcb != NULL) {
3373 if (net) {
3374 encaps->sue_port = net->port;
3375 } else {
3376 encaps->sue_port = stcb->asoc.port;
3377 }
3378 SCTP_TCB_UNLOCK(stcb);
3379 } else {
3380 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3381 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3382 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3383 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) {
3384 SCTP_INP_RLOCK(inp);
3385 encaps->sue_port = inp->sctp_ep.port;
3386 SCTP_INP_RUNLOCK(inp);
3387 } else {
3388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3389 error = EINVAL;
3390 }
3391 }
3392 if (error == 0) {
3393 *optsize = sizeof(struct sctp_udpencaps);
3394 }
3395 break;
3396 }
3397 case SCTP_ECN_SUPPORTED:
3398 {
3399 struct sctp_assoc_value *av;
3400
3401 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3402 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3403
3404 if (stcb) {
3405 av->assoc_value = stcb->asoc.ecn_supported;
3406 SCTP_TCB_UNLOCK(stcb);
3407 } else {
3408 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3409 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3410 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3411 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3412 SCTP_INP_RLOCK(inp);
3413 av->assoc_value = inp->ecn_supported;
3414 SCTP_INP_RUNLOCK(inp);
3415 } else {
3416 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3417 error = EINVAL;
3418 }
3419 }
3420 if (error == 0) {
3421 *optsize = sizeof(struct sctp_assoc_value);
3422 }
3423 break;
3424 }
3425 case SCTP_PR_SUPPORTED:
3426 {
3427 struct sctp_assoc_value *av;
3428
3429 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3430 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3431
3432 if (stcb) {
3433 av->assoc_value = stcb->asoc.prsctp_supported;
3434 SCTP_TCB_UNLOCK(stcb);
3435 } else {
3436 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3437 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3438 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3439 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3440 SCTP_INP_RLOCK(inp);
3441 av->assoc_value = inp->prsctp_supported;
3442 SCTP_INP_RUNLOCK(inp);
3443 } else {
3444 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3445 error = EINVAL;
3446 }
3447 }
3448 if (error == 0) {
3449 *optsize = sizeof(struct sctp_assoc_value);
3450 }
3451 break;
3452 }
3453 case SCTP_AUTH_SUPPORTED:
3454 {
3455 struct sctp_assoc_value *av;
3456
3457 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3458 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3459
3460 if (stcb) {
3461 av->assoc_value = stcb->asoc.auth_supported;
3462 SCTP_TCB_UNLOCK(stcb);
3463 } else {
3464 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3465 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3466 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3467 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3468 SCTP_INP_RLOCK(inp);
3469 av->assoc_value = inp->auth_supported;
3470 SCTP_INP_RUNLOCK(inp);
3471 } else {
3472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3473 error = EINVAL;
3474 }
3475 }
3476 if (error == 0) {
3477 *optsize = sizeof(struct sctp_assoc_value);
3478 }
3479 break;
3480 }
3481 case SCTP_ASCONF_SUPPORTED:
3482 {
3483 struct sctp_assoc_value *av;
3484
3485 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3486 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3487
3488 if (stcb) {
3489 av->assoc_value = stcb->asoc.asconf_supported;
3490 SCTP_TCB_UNLOCK(stcb);
3491 } else {
3492 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3493 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3494 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3495 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3496 SCTP_INP_RLOCK(inp);
3497 av->assoc_value = inp->asconf_supported;
3498 SCTP_INP_RUNLOCK(inp);
3499 } else {
3500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3501 error = EINVAL;
3502 }
3503 }
3504 if (error == 0) {
3505 *optsize = sizeof(struct sctp_assoc_value);
3506 }
3507 break;
3508 }
3509 case SCTP_RECONFIG_SUPPORTED:
3510 {
3511 struct sctp_assoc_value *av;
3512
3513 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3514 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3515
3516 if (stcb) {
3517 av->assoc_value = stcb->asoc.reconfig_supported;
3518 SCTP_TCB_UNLOCK(stcb);
3519 } else {
3520 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3521 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3522 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3523 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3524 SCTP_INP_RLOCK(inp);
3525 av->assoc_value = inp->reconfig_supported;
3526 SCTP_INP_RUNLOCK(inp);
3527 } else {
3528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3529 error = EINVAL;
3530 }
3531 }
3532 if (error == 0) {
3533 *optsize = sizeof(struct sctp_assoc_value);
3534 }
3535 break;
3536 }
3537 case SCTP_NRSACK_SUPPORTED:
3538 {
3539 struct sctp_assoc_value *av;
3540
3541 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3542 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3543
3544 if (stcb) {
3545 av->assoc_value = stcb->asoc.nrsack_supported;
3546 SCTP_TCB_UNLOCK(stcb);
3547 } else {
3548 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3549 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3550 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3551 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3552 SCTP_INP_RLOCK(inp);
3553 av->assoc_value = inp->nrsack_supported;
3554 SCTP_INP_RUNLOCK(inp);
3555 } else {
3556 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3557 error = EINVAL;
3558 }
3559 }
3560 if (error == 0) {
3561 *optsize = sizeof(struct sctp_assoc_value);
3562 }
3563 break;
3564 }
3565 case SCTP_PKTDROP_SUPPORTED:
3566 {
3567 struct sctp_assoc_value *av;
3568
3569 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3570 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3571
3572 if (stcb) {
3573 av->assoc_value = stcb->asoc.pktdrop_supported;
3574 SCTP_TCB_UNLOCK(stcb);
3575 } else {
3576 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3577 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3578 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3579 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3580 SCTP_INP_RLOCK(inp);
3581 av->assoc_value = inp->pktdrop_supported;
3582 SCTP_INP_RUNLOCK(inp);
3583 } else {
3584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3585 error = EINVAL;
3586 }
3587 }
3588 if (error == 0) {
3589 *optsize = sizeof(struct sctp_assoc_value);
3590 }
3591 break;
3592 }
3593 case SCTP_ENABLE_STREAM_RESET:
3594 {
3595 struct sctp_assoc_value *av;
3596
3597 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3598 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3599
3600 if (stcb) {
3601 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support;
3602 SCTP_TCB_UNLOCK(stcb);
3603 } else {
3604 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3605 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3606 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3607 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3608 SCTP_INP_RLOCK(inp);
3609 av->assoc_value = (uint32_t)inp->local_strreset_support;
3610 SCTP_INP_RUNLOCK(inp);
3611 } else {
3612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3613 error = EINVAL;
3614 }
3615 }
3616 if (error == 0) {
3617 *optsize = sizeof(struct sctp_assoc_value);
3618 }
3619 break;
3620 }
3621 case SCTP_PR_STREAM_STATUS:
3622 {
3623 struct sctp_prstatus *sprstat;
3624 uint16_t sid;
3625 uint16_t policy;
3626
3627 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize);
3628 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id);
3629
3630 sid = sprstat->sprstat_sid;
3631 policy = sprstat->sprstat_policy;
3632#if defined(SCTP_DETAILED_STR_STATS)
3633 if ((stcb != NULL) &&
3634 (sid < stcb->asoc.streamoutcnt) &&
3635 (policy != SCTP_PR_SCTP_NONE) &&
3636 ((policy <= SCTP_PR_SCTP_MAX) ||
3637 (policy == SCTP_PR_SCTP_ALL))) {
3638 if (policy == SCTP_PR_SCTP_ALL) {
3639 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0];
3640 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0];
3641 } else {
3642 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy];
3643 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy];
3644 }
3645#else
3646 if ((stcb != NULL) &&
3647 (sid < stcb->asoc.streamoutcnt) &&
3648 (policy == SCTP_PR_SCTP_ALL)) {
3649 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0];
3650 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0];
3651#endif
3652 } else {
3653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3654 error = EINVAL;
3655 }
3656 if (stcb != NULL) {
3657 SCTP_TCB_UNLOCK(stcb);
3658 }
3659 if (error == 0) {
3660 *optsize = sizeof(struct sctp_prstatus);
3661 }
3662 break;
3663 }
3664 case SCTP_PR_ASSOC_STATUS:
3665 {
3666 struct sctp_prstatus *sprstat;
3667 uint16_t policy;
3668
3669 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize);
3670 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id);
3671
3672 policy = sprstat->sprstat_policy;
3673 if ((stcb != NULL) &&
3674 (policy != SCTP_PR_SCTP_NONE) &&
3675 ((policy <= SCTP_PR_SCTP_MAX) ||
3676 (policy == SCTP_PR_SCTP_ALL))) {
3677 if (policy == SCTP_PR_SCTP_ALL) {
3678 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0];
3679 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0];
3680 } else {
3681 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy];
3682 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy];
3683 }
3684 } else {
3685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3686 error = EINVAL;
3687 }
3688 if (stcb != NULL) {
3689 SCTP_TCB_UNLOCK(stcb);
3690 }
3691 if (error == 0) {
3692 *optsize = sizeof(struct sctp_prstatus);
3693 }
3694 break;
3695 }
3696 case SCTP_MAX_CWND:
3697 {
3698 struct sctp_assoc_value *av;
3699
3700 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3701 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3702
3703 if (stcb) {
3704 av->assoc_value = stcb->asoc.max_cwnd;
3705 SCTP_TCB_UNLOCK(stcb);
3706 } else {
3707 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3708 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3709 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3710 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3711 SCTP_INP_RLOCK(inp);
3712 av->assoc_value = inp->max_cwnd;
3713 SCTP_INP_RUNLOCK(inp);
3714 } else {
3715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3716 error = EINVAL;
3717 }
3718 }
3719 if (error == 0) {
3720 *optsize = sizeof(struct sctp_assoc_value);
3721 }
3722 break;
3723 }
3724 default:
3725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
3726 error = ENOPROTOOPT;
3727 break;
3728 } /* end switch (sopt->sopt_name) */
3729 if (error) {
3730 *optsize = 0;
3731 }
3732 return (error);
3733}
3734
3735static int
3736sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
3737 void *p)
3738{
3739 int error, set_opt;
3740 uint32_t *mopt;
3741 struct sctp_tcb *stcb = NULL;
3742 struct sctp_inpcb *inp = NULL;
3743 uint32_t vrf_id;
3744
3745 if (optval == NULL) {
3746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3747 return (EINVAL);
3748 }
3749 inp = (struct sctp_inpcb *)so->so_pcb;
3750 if (inp == NULL) {
3751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3752 return (EINVAL);
3753 }
3754 vrf_id = inp->def_vrf_id;
3755
3756 error = 0;
3757 switch (optname) {
3758 case SCTP_NODELAY:
3759 case SCTP_AUTOCLOSE:
3760 case SCTP_AUTO_ASCONF:
3761 case SCTP_EXPLICIT_EOR:
3762 case SCTP_DISABLE_FRAGMENTS:
3763 case SCTP_USE_EXT_RCVINFO:
3764 case SCTP_I_WANT_MAPPED_V4_ADDR:
3765 /* copy in the option value */
3766 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
3767 set_opt = 0;
3768 if (error)
3769 break;
3770 switch (optname) {
3771 case SCTP_DISABLE_FRAGMENTS:
3772 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT;
3773 break;
3774 case SCTP_AUTO_ASCONF:
3775 /*
3776 * NOTE: we don't really support this flag
3777 */
3778 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
3779 /* only valid for bound all sockets */
3780 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) &&
3781 (*mopt != 0)) {
3782 /* forbidden by admin */
3783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM);
3784 return (EPERM);
3785 }
3786 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF;
3787 } else {
3788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3789 return (EINVAL);
3790 }
3791 break;
3792 case SCTP_EXPLICIT_EOR:
3793 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR;
3794 break;
3795 case SCTP_USE_EXT_RCVINFO:
3796 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO;
3797 break;
3798 case SCTP_I_WANT_MAPPED_V4_ADDR:
3799 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
3800 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4;
3801 } else {
3802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3803 return (EINVAL);
3804 }
3805 break;
3806 case SCTP_NODELAY:
3807 set_opt = SCTP_PCB_FLAGS_NODELAY;
3808 break;
3809 case SCTP_AUTOCLOSE:
3810 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3811 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
3812 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3813 return (EINVAL);
3814 }
3815 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE;
3816 /*
3817 * The value is in ticks. Note this does not effect
3818 * old associations, only new ones.
3819 */
3820 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt);
3821 break;
3822 }
3823 SCTP_INP_WLOCK(inp);
3824 if (*mopt != 0) {
3825 sctp_feature_on(inp, set_opt);
3826 } else {
3827 sctp_feature_off(inp, set_opt);
3828 }
3829 SCTP_INP_WUNLOCK(inp);
3830 break;
3831 case SCTP_REUSE_PORT:
3832 {
3833 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
3834 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
3835 /* Can't set it after we are bound */
3836 error = EINVAL;
3837 break;
3838 }
3839 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
3840 /* Can't do this for a 1-m socket */
3841 error = EINVAL;
3842 break;
3843 }
3844 if (optval)
3845 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
3846 else
3847 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE);
3848 break;
3849 }
3850 case SCTP_PARTIAL_DELIVERY_POINT:
3851 {
3852 uint32_t *value;
3853
3854 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
3855 if (*value > SCTP_SB_LIMIT_RCV(so)) {
3856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3857 error = EINVAL;
3858 break;
3859 }
3860 inp->partial_delivery_point = *value;
3861 break;
3862 }
3863 case SCTP_FRAGMENT_INTERLEAVE:
3864 /* not yet until we re-write sctp_recvmsg() */
3865 {
3866 uint32_t *level;
3867
3868 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize);
3869 if (*level == SCTP_FRAG_LEVEL_2) {
3870 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3871 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3872 } else if (*level == SCTP_FRAG_LEVEL_1) {
3873 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3874 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3875 } else if (*level == SCTP_FRAG_LEVEL_0) {
3876 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3877 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3878
3879 } else {
3880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3881 error = EINVAL;
3882 }
3883 break;
3884 }
3885 case SCTP_INTERLEAVING_SUPPORTED:
3886 {
3887 struct sctp_assoc_value *av;
3888
3889 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3890 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3891
3892 if (stcb) {
3893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3894 error = EINVAL;
3895 SCTP_TCB_UNLOCK(stcb);
3896 } else {
3897 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3898 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3899 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3900 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3901 SCTP_INP_WLOCK(inp);
3902 if (av->assoc_value == 0) {
3903 inp->idata_supported = 0;
3904 } else {
3905 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) &&
3906 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) {
3907 inp->idata_supported = 1;
3908 } else {
3909 /*
3910 * Must have Frag
3911 * interleave and
3912 * stream interleave
3913 * on
3914 */
3915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3916 error = EINVAL;
3917 }
3918 }
3919 SCTP_INP_WUNLOCK(inp);
3920 } else {
3921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3922 error = EINVAL;
3923 }
3924 }
3925 break;
3926 }
3927 case SCTP_CMT_ON_OFF:
3928 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) {
3929 struct sctp_assoc_value *av;
3930
3931 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3932 if (av->assoc_value > SCTP_CMT_MAX) {
3933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3934 error = EINVAL;
3935 break;
3936 }
3937 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3938 if (stcb) {
3939 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
3940 SCTP_TCB_UNLOCK(stcb);
3941 } else {
3942 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3943 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3944 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3945 ((av->assoc_id == SCTP_FUTURE_ASSOC) ||
3946 (av->assoc_id == SCTP_ALL_ASSOC)))) {
3947 SCTP_INP_WLOCK(inp);
3948 inp->sctp_cmt_on_off = av->assoc_value;
3949 SCTP_INP_WUNLOCK(inp);
3950 }
3951 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3952 ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3953 (av->assoc_id == SCTP_ALL_ASSOC))) {
3954 SCTP_INP_RLOCK(inp);
3955 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3956 SCTP_TCB_LOCK(stcb);
3957 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
3958 SCTP_TCB_UNLOCK(stcb);
3959 }
3960 SCTP_INP_RUNLOCK(inp);
3961 }
3962 }
3963 } else {
3964 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
3965 error = ENOPROTOOPT;
3966 }
3967 break;
3968 case SCTP_PLUGGABLE_CC:
3969 {
3970 struct sctp_assoc_value *av;
3971 struct sctp_nets *net;
3972
3973 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3974 if ((av->assoc_value != SCTP_CC_RFC2581) &&
3975 (av->assoc_value != SCTP_CC_HSTCP) &&
3976 (av->assoc_value != SCTP_CC_HTCP) &&
3977 (av->assoc_value != SCTP_CC_RTCC)) {
3978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3979 error = EINVAL;
3980 break;
3981 }
3982 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3983 if (stcb) {
3984 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
3985 stcb->asoc.congestion_control_module = av->assoc_value;
3986 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
3987 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
3988 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
3989 }
3990 }
3991 SCTP_TCB_UNLOCK(stcb);
3992 } else {
3993 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3994 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3995 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3996 ((av->assoc_id == SCTP_FUTURE_ASSOC) ||
3997 (av->assoc_id == SCTP_ALL_ASSOC)))) {
3998 SCTP_INP_WLOCK(inp);
3999 inp->sctp_ep.sctp_default_cc_module = av->assoc_value;
4000 SCTP_INP_WUNLOCK(inp);
4001 }
4002 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4003 ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4004 (av->assoc_id == SCTP_ALL_ASSOC))) {
4005 SCTP_INP_RLOCK(inp);
4006 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4007 SCTP_TCB_LOCK(stcb);
4008 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
4009 stcb->asoc.congestion_control_module = av->assoc_value;
4010 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
4011 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4012 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
4013 }
4014 }
4015 SCTP_TCB_UNLOCK(stcb);
4016 }
4017 SCTP_INP_RUNLOCK(inp);
4018 }
4019 }
4020 break;
4021 }
4022 case SCTP_CC_OPTION:
4023 {
4024 struct sctp_cc_option *cc_opt;
4025
4026 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize);
4027 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
4028 if (stcb == NULL) {
4029 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4030 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) {
4031 SCTP_INP_RLOCK(inp);
4032 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4033 SCTP_TCB_LOCK(stcb);
4034 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) {
4035 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt);
4036 }
4037 SCTP_TCB_UNLOCK(stcb);
4038 }
4039 SCTP_INP_RUNLOCK(inp);
4040 } else {
4041 error = EINVAL;
4042 }
4043 } else {
4044 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
4045 error = ENOTSUP;
4046 } else {
4047 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1,
4048 cc_opt);
4049 }
4050 SCTP_TCB_UNLOCK(stcb);
4051 }
4052 break;
4053 }
4054 case SCTP_PLUGGABLE_SS:
4055 {
4056 struct sctp_assoc_value *av;
4057
4058 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4059 if ((av->assoc_value != SCTP_SS_DEFAULT) &&
4060 (av->assoc_value != SCTP_SS_ROUND_ROBIN) &&
4061 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) &&
4062 (av->assoc_value != SCTP_SS_PRIORITY) &&
4063 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) &&
4064 (av->assoc_value != SCTP_SS_FIRST_COME)) {
4065 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4066 error = EINVAL;
4067 break;
4068 }
4069 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4070 if (stcb) {
4071 SCTP_TCB_SEND_LOCK(stcb);
4072 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true);
4073 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
4074 stcb->asoc.stream_scheduling_module = av->assoc_value;
4075 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc);
4076 SCTP_TCB_SEND_UNLOCK(stcb);
4077 SCTP_TCB_UNLOCK(stcb);
4078 } else {
4079 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4080 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4081 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4082 ((av->assoc_id == SCTP_FUTURE_ASSOC) ||
4083 (av->assoc_id == SCTP_ALL_ASSOC)))) {
4084 SCTP_INP_WLOCK(inp);
4085 inp->sctp_ep.sctp_default_ss_module = av->assoc_value;
4086 SCTP_INP_WUNLOCK(inp);
4087 }
4088 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4089 ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4090 (av->assoc_id == SCTP_ALL_ASSOC))) {
4091 SCTP_INP_RLOCK(inp);
4092 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4093 SCTP_TCB_LOCK(stcb);
4094 SCTP_TCB_SEND_LOCK(stcb);
4095 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true);
4096 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
4097 stcb->asoc.stream_scheduling_module = av->assoc_value;
4098 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc);
4099 SCTP_TCB_SEND_UNLOCK(stcb);
4100 SCTP_TCB_UNLOCK(stcb);
4101 }
4102 SCTP_INP_RUNLOCK(inp);
4103 }
4104 }
4105 break;
4106 }
4107 case SCTP_SS_VALUE:
4108 {
4109 struct sctp_stream_value *av;
4110
4111 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize);
4112 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4113 if (stcb) {
4114 if ((av->stream_id >= stcb->asoc.streamoutcnt) ||
4115 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
4116 av->stream_value) < 0)) {
4117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4118 error = EINVAL;
4119 }
4120 SCTP_TCB_UNLOCK(stcb);
4121 } else {
4122 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4123 (av->assoc_id == SCTP_CURRENT_ASSOC)) {
4124 SCTP_INP_RLOCK(inp);
4125 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4126 SCTP_TCB_LOCK(stcb);
4127 if (av->stream_id < stcb->asoc.streamoutcnt) {
4128 stcb->asoc.ss_functions.sctp_ss_set_value(stcb,
4129 &stcb->asoc,
4130 &stcb->asoc.strmout[av->stream_id],
4131 av->stream_value);
4132 }
4133 SCTP_TCB_UNLOCK(stcb);
4134 }
4135 SCTP_INP_RUNLOCK(inp);
4136 } else {
4137 /*
4138 * Can't set stream value without
4139 * association
4140 */
4141 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4142 error = EINVAL;
4143 }
4144 }
4145 break;
4146 }
4147 case SCTP_CLR_STAT_LOG:
4148 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4149 error = EOPNOTSUPP;
4150 break;
4151 case SCTP_CONTEXT:
4152 {
4153 struct sctp_assoc_value *av;
4154
4155 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4156 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4157
4158 if (stcb) {
4159 stcb->asoc.context = av->assoc_value;
4160 SCTP_TCB_UNLOCK(stcb);
4161 } else {
4162 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4163 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4164 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4165 ((av->assoc_id == SCTP_FUTURE_ASSOC) ||
4166 (av->assoc_id == SCTP_ALL_ASSOC)))) {
4167 SCTP_INP_WLOCK(inp);
4168 inp->sctp_context = av->assoc_value;
4169 SCTP_INP_WUNLOCK(inp);
4170 }
4171 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4172 ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4173 (av->assoc_id == SCTP_ALL_ASSOC))) {
4174 SCTP_INP_RLOCK(inp);
4175 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4176 SCTP_TCB_LOCK(stcb);
4177 stcb->asoc.context = av->assoc_value;
4178 SCTP_TCB_UNLOCK(stcb);
4179 }
4180 SCTP_INP_RUNLOCK(inp);
4181 }
4182 }
4183 break;
4184 }
4185 case SCTP_VRF_ID:
4186 {
4187 uint32_t *default_vrfid;
4188
4189 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize);
4190 if (*default_vrfid > SCTP_MAX_VRF_ID) {
4191 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4192 error = EINVAL;
4193 break;
4194 }
4195 inp->def_vrf_id = *default_vrfid;
4196 break;
4197 }
4198 case SCTP_DEL_VRF_ID:
4199 {
4200 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4201 error = EOPNOTSUPP;
4202 break;
4203 }
4204 case SCTP_ADD_VRF_ID:
4205 {
4206 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4207 error = EOPNOTSUPP;
4208 break;
4209 }
4210 case SCTP_DELAYED_SACK:
4211 {
4212 struct sctp_sack_info *sack;
4213
4214 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize);
4215 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
4216 if (sack->sack_delay) {
4217 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) {
4218 error = EINVAL;
4219 if (stcb != NULL) {
4220 SCTP_TCB_UNLOCK(stcb);
4221 }
4222 break;
4223 }
4224 }
4225 if (stcb) {
4226 if (sack->sack_delay) {
4227 stcb->asoc.delayed_ack = sack->sack_delay;
4228 }
4229 if (sack->sack_freq) {
4230 stcb->asoc.sack_freq = sack->sack_freq;
4231 }
4232 SCTP_TCB_UNLOCK(stcb);
4233 } else {
4234 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4235 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4236 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4237 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) ||
4238 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) {
4239 SCTP_INP_WLOCK(inp);
4240 if (sack->sack_delay) {
4241 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay);
4242 }
4243 if (sack->sack_freq) {
4244 inp->sctp_ep.sctp_sack_freq = sack->sack_freq;
4245 }
4246 SCTP_INP_WUNLOCK(inp);
4247 }
4248 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4249 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) ||
4250 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) {
4251 SCTP_INP_RLOCK(inp);
4252 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4253 SCTP_TCB_LOCK(stcb);
4254 if (sack->sack_delay) {
4255 stcb->asoc.delayed_ack = sack->sack_delay;
4256 }
4257 if (sack->sack_freq) {
4258 stcb->asoc.sack_freq = sack->sack_freq;
4259 }
4260 SCTP_TCB_UNLOCK(stcb);
4261 }
4262 SCTP_INP_RUNLOCK(inp);
4263 }
4264 }
4265 break;
4266 }
4267 case SCTP_AUTH_CHUNK:
4268 {
4269 struct sctp_authchunk *sauth;
4270
4271 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize);
4272
4273 SCTP_INP_WLOCK(inp);
4274 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) {
4275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4276 error = EINVAL;
4277 } else {
4278 inp->auth_supported = 1;
4279 }
4280 SCTP_INP_WUNLOCK(inp);
4281 break;
4282 }
4283 case SCTP_AUTH_KEY:
4284 {
4285 struct sctp_authkey *sca;
4286 struct sctp_keyhead *shared_keys;
4287 sctp_sharedkey_t *shared_key;
4288 sctp_key_t *key = NULL;
4289 size_t size;
4290
4291 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize);
4292 if (sca->sca_keylength == 0) {
4293 size = optsize - sizeof(struct sctp_authkey);
4294 } else {
4295 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) {
4296 size = sca->sca_keylength;
4297 } else {
4298 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4299 error = EINVAL;
4300 break;
4301 }
4302 }
4303 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id);
4304
4305 if (stcb) {
4306 shared_keys = &stcb->asoc.shared_keys;
4307 /* clear the cached keys for this key id */
4308 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
4309 /*
4310 * create the new shared key and
4311 * insert/replace it
4312 */
4313 if (size > 0) {
4314 key = sctp_set_key(sca->sca_key, (uint32_t)size);
4315 if (key == NULL) {
4316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4317 error = ENOMEM;
4318 SCTP_TCB_UNLOCK(stcb);
4319 break;
4320 }
4321 }
4322 shared_key = sctp_alloc_sharedkey();
4323 if (shared_key == NULL) {
4324 sctp_free_key(key);
4325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4326 error = ENOMEM;
4327 SCTP_TCB_UNLOCK(stcb);
4328 break;
4329 }
4330 shared_key->key = key;
4331 shared_key->keyid = sca->sca_keynumber;
4332 error = sctp_insert_sharedkey(shared_keys, shared_key);
4333 SCTP_TCB_UNLOCK(stcb);
4334 } else {
4335 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4336 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4337 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4338 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) ||
4339 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) {
4340 SCTP_INP_WLOCK(inp);
4341 shared_keys = &inp->sctp_ep.shared_keys;
4342 /*
4343 * clear the cached keys on all
4344 * assocs for this key id
4345 */
4346 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber);
4347 /*
4348 * create the new shared key and
4349 * insert/replace it
4350 */
4351 if (size > 0) {
4352 key = sctp_set_key(sca->sca_key, (uint32_t)size);
4353 if (key == NULL) {
4354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4355 error = ENOMEM;
4356 SCTP_INP_WUNLOCK(inp);
4357 break;
4358 }
4359 }
4360 shared_key = sctp_alloc_sharedkey();
4361 if (shared_key == NULL) {
4362 sctp_free_key(key);
4363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4364 error = ENOMEM;
4365 SCTP_INP_WUNLOCK(inp);
4366 break;
4367 }
4368 shared_key->key = key;
4369 shared_key->keyid = sca->sca_keynumber;
4370 error = sctp_insert_sharedkey(shared_keys, shared_key);
4371 SCTP_INP_WUNLOCK(inp);
4372 }
4373 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4374 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) ||
4375 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) {
4376 SCTP_INP_RLOCK(inp);
4377 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4378 SCTP_TCB_LOCK(stcb);
4379 shared_keys = &stcb->asoc.shared_keys;
4380 /*
4381 * clear the cached keys for
4382 * this key id
4383 */
4384 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
4385 /*
4386 * create the new shared key
4387 * and insert/replace it
4388 */
4389 if (size > 0) {
4390 key = sctp_set_key(sca->sca_key, (uint32_t)size);
4391 if (key == NULL) {
4392 SCTP_TCB_UNLOCK(stcb);
4393 continue;
4394 }
4395 }
4396 shared_key = sctp_alloc_sharedkey();
4397 if (shared_key == NULL) {
4398 sctp_free_key(key);
4399 SCTP_TCB_UNLOCK(stcb);
4400 continue;
4401 }
4402 shared_key->key = key;
4403 shared_key->keyid = sca->sca_keynumber;
4404 error = sctp_insert_sharedkey(shared_keys, shared_key);
4405 SCTP_TCB_UNLOCK(stcb);
4406 }
4407 SCTP_INP_RUNLOCK(inp);
4408 }
4409 }
4410 break;
4411 }
4412 case SCTP_HMAC_IDENT:
4413 {
4414 struct sctp_hmacalgo *shmac;
4415 sctp_hmaclist_t *hmaclist;
4416 uint16_t hmacid;
4417 uint32_t i;
4418
4419 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize);
4420 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) ||
4421 (shmac->shmac_number_of_idents > 0xffff)) {
4422 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4423 error = EINVAL;
4424 break;
4425 }
4426
4427 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents);
4428 if (hmaclist == NULL) {
4429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4430 error = ENOMEM;
4431 break;
4432 }
4433 for (i = 0; i < shmac->shmac_number_of_idents; i++) {
4434 hmacid = shmac->shmac_idents[i];
4435 if (sctp_auth_add_hmacid(hmaclist, hmacid)) {
4436 /* invalid HMACs were found */ ;
4437 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4438 error = EINVAL;
4439 sctp_free_hmaclist(hmaclist);
4440 goto sctp_set_hmac_done;
4441 }
4442 }
4443 for (i = 0; i < hmaclist->num_algo; i++) {
4444 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) {
4445 /* already in list */
4446 break;
4447 }
4448 }
4449 if (i == hmaclist->num_algo) {
4450 /* not found in list */
4451 sctp_free_hmaclist(hmaclist);
4452 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4453 error = EINVAL;
4454 break;
4455 }
4456 /* set it on the endpoint */
4457 SCTP_INP_WLOCK(inp);
4458 if (inp->sctp_ep.local_hmacs)
4459 sctp_free_hmaclist(inp->sctp_ep.local_hmacs);
4460 inp->sctp_ep.local_hmacs = hmaclist;
4461 SCTP_INP_WUNLOCK(inp);
4462 sctp_set_hmac_done:
4463 break;
4464 }
4465 case SCTP_AUTH_ACTIVE_KEY:
4466 {
4467 struct sctp_authkeyid *scact;
4468
4469 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize);
4470 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
4471
4472 /* set the active key on the right place */
4473 if (stcb) {
4474 /* set the active key on the assoc */
4475 if (sctp_auth_setactivekey(stcb,
4476 scact->scact_keynumber)) {
4477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
4478 SCTP_FROM_SCTP_USRREQ,
4479 EINVAL);
4480 error = EINVAL;
4481 }
4482 SCTP_TCB_UNLOCK(stcb);
4483 } else {
4484 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4485 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4486 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4487 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4488 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) {
4489 SCTP_INP_WLOCK(inp);
4490 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) {
4491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4492 error = EINVAL;
4493 }
4494 SCTP_INP_WUNLOCK(inp);
4495 }
4496 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4497 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4498 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) {
4499 SCTP_INP_RLOCK(inp);
4500 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4501 SCTP_TCB_LOCK(stcb);
4502 sctp_auth_setactivekey(stcb, scact->scact_keynumber);
4503 SCTP_TCB_UNLOCK(stcb);
4504 }
4505 SCTP_INP_RUNLOCK(inp);
4506 }
4507 }
4508 break;
4509 }
4510 case SCTP_AUTH_DELETE_KEY:
4511 {
4512 struct sctp_authkeyid *scdel;
4513
4514 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize);
4515 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id);
4516
4517 /* delete the key from the right place */
4518 if (stcb) {
4519 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) {
4520 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4521 error = EINVAL;
4522 }
4523 SCTP_TCB_UNLOCK(stcb);
4524 } else {
4525 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4526 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4527 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4528 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4529 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) {
4530 SCTP_INP_WLOCK(inp);
4531 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) {
4532 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4533 error = EINVAL;
4534 }
4535 SCTP_INP_WUNLOCK(inp);
4536 }
4537 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4538 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4539 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) {
4540 SCTP_INP_RLOCK(inp);
4541 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4542 SCTP_TCB_LOCK(stcb);
4543 sctp_delete_sharedkey(stcb, scdel->scact_keynumber);
4544 SCTP_TCB_UNLOCK(stcb);
4545 }
4546 SCTP_INP_RUNLOCK(inp);
4547 }
4548 }
4549 break;
4550 }
4551 case SCTP_AUTH_DEACTIVATE_KEY:
4552 {
4553 struct sctp_authkeyid *keyid;
4554
4555 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize);
4556 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id);
4557
4558 /* deactivate the key from the right place */
4559 if (stcb) {
4560 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) {
4561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4562 error = EINVAL;
4563 }
4564 SCTP_TCB_UNLOCK(stcb);
4565 } else {
4566 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4567 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4568 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4569 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4570 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) {
4571 SCTP_INP_WLOCK(inp);
4572 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) {
4573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4574 error = EINVAL;
4575 }
4576 SCTP_INP_WUNLOCK(inp);
4577 }
4578 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4579 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4580 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) {
4581 SCTP_INP_RLOCK(inp);
4582 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4583 SCTP_TCB_LOCK(stcb);
4584 sctp_deact_sharedkey(stcb, keyid->scact_keynumber);
4585 SCTP_TCB_UNLOCK(stcb);
4586 }
4587 SCTP_INP_RUNLOCK(inp);
4588 }
4589 }
4590 break;
4591 }
4592 case SCTP_ENABLE_STREAM_RESET:
4593 {
4594 struct sctp_assoc_value *av;
4595
4596 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4597 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) {
4598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4599 error = EINVAL;
4600 break;
4601 }
4602 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4603 if (stcb) {
4604 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value;
4605 SCTP_TCB_UNLOCK(stcb);
4606 } else {
4607 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4608 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4609 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4610 ((av->assoc_id == SCTP_FUTURE_ASSOC) ||
4611 (av->assoc_id == SCTP_ALL_ASSOC)))) {
4612 SCTP_INP_WLOCK(inp);
4613 inp->local_strreset_support = (uint8_t)av->assoc_value;
4614 SCTP_INP_WUNLOCK(inp);
4615 }
4616 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4617 ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4618 (av->assoc_id == SCTP_ALL_ASSOC))) {
4619 SCTP_INP_RLOCK(inp);
4620 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4621 SCTP_TCB_LOCK(stcb);
4622 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value;
4623 SCTP_TCB_UNLOCK(stcb);
4624 }
4625 SCTP_INP_RUNLOCK(inp);
4626 }
4627 }
4628 break;
4629 }
4630 case SCTP_RESET_STREAMS:
4631 {
4632 struct sctp_reset_streams *strrst;
4633 int i, send_out = 0;
4634 int send_in = 0;
4635
4636 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize);
4637 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id);
4638 if (stcb == NULL) {
4639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4640 error = ENOENT;
4641 break;
4642 }
4643 if (stcb->asoc.reconfig_supported == 0) {
4644 /*
4645 * Peer does not support the chunk type.
4646 */
4647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4648 error = EOPNOTSUPP;
4649 SCTP_TCB_UNLOCK(stcb);
4650 break;
4651 }
4652 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) {
4653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4654 error = EINVAL;
4655 SCTP_TCB_UNLOCK(stcb);
4656 break;
4657 }
4658 if (sizeof(struct sctp_reset_streams) +
4659 strrst->srs_number_streams * sizeof(uint16_t) > optsize) {
4660 error = EINVAL;
4661 SCTP_TCB_UNLOCK(stcb);
4662 break;
4663 }
4664 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) {
4665 send_in = 1;
4666 if (stcb->asoc.stream_reset_outstanding) {
4667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4668 error = EALREADY;
4669 SCTP_TCB_UNLOCK(stcb);
4670 break;
4671 }
4672 }
4673 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) {
4674 send_out = 1;
4675 }
4676 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) {
4677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4678 error = ENOMEM;
4679 SCTP_TCB_UNLOCK(stcb);
4680 break;
4681 }
4682 if ((send_in == 0) && (send_out == 0)) {
4683 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4684 error = EINVAL;
4685 SCTP_TCB_UNLOCK(stcb);
4686 break;
4687 }
4688 for (i = 0; i < strrst->srs_number_streams; i++) {
4689 if ((send_in) &&
4690 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) {
4691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4692 error = EINVAL;
4693 break;
4694 }
4695 if ((send_out) &&
4696 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) {
4697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4698 error = EINVAL;
4699 break;
4700 }
4701 }
4702 if (error) {
4703 SCTP_TCB_UNLOCK(stcb);
4704 break;
4705 }
4706 if (send_out) {
4707 int cnt;
4708 uint16_t strm;
4709
4710 if (strrst->srs_number_streams) {
4711 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) {
4712 strm = strrst->srs_stream_list[i];
4713 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) {
4714 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING;
4715 cnt++;
4716 }
4717 }
4718 } else {
4719 /* Its all */
4720 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) {
4721 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) {
4722 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING;
4723 cnt++;
4724 }
4725 }
4726 }
4727 }
4728 if (send_in) {
4729 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams,
4730 strrst->srs_stream_list,
4731 send_in, 0, 0, 0, 0, 0);
4732 } else {
4733 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED);
4734 }
4735 if (error == 0) {
4736 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4737 } else {
4738 /*
4739 * For outgoing streams don't report any
4740 * problems in sending the request to the
4741 * application. XXX: Double check resetting
4742 * incoming streams.
4743 */
4744 error = 0;
4745 }
4746 SCTP_TCB_UNLOCK(stcb);
4747 break;
4748 }
4749 case SCTP_ADD_STREAMS:
4750 {
4751 struct sctp_add_streams *stradd;
4752 uint8_t addstream = 0;
4753 uint16_t add_o_strmcnt = 0;
4754 uint16_t add_i_strmcnt = 0;
4755
4756 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize);
4757 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id);
4758 if (stcb == NULL) {
4759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4760 error = ENOENT;
4761 break;
4762 }
4763 if (stcb->asoc.reconfig_supported == 0) {
4764 /*
4765 * Peer does not support the chunk type.
4766 */
4767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4768 error = EOPNOTSUPP;
4769 SCTP_TCB_UNLOCK(stcb);
4770 break;
4771 }
4772 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) {
4773 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4774 error = EINVAL;
4775 SCTP_TCB_UNLOCK(stcb);
4776 break;
4777 }
4778 if (stcb->asoc.stream_reset_outstanding) {
4779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4780 error = EALREADY;
4781 SCTP_TCB_UNLOCK(stcb);
4782 break;
4783 }
4784 if ((stradd->sas_outstrms == 0) &&
4785 (stradd->sas_instrms == 0)) {
4786 error = EINVAL;
4787 goto skip_stuff;
4788 }
4789 if (stradd->sas_outstrms) {
4790 addstream = 1;
4791 /* We allocate here */
4792 add_o_strmcnt = stradd->sas_outstrms;
4793 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) {
4794 /* You can't have more than 64k */
4795 error = EINVAL;
4796 goto skip_stuff;
4797 }
4798 }
4799 if (stradd->sas_instrms) {
4800 int cnt;
4801
4802 addstream |= 2;
4803 /*
4804 * We allocate inside
4805 * sctp_send_str_reset_req()
4806 */
4807 add_i_strmcnt = stradd->sas_instrms;
4808 cnt = add_i_strmcnt;
4809 cnt += stcb->asoc.streamincnt;
4810 if (cnt > 0x0000ffff) {
4811 /* You can't have more than 64k */
4812 error = EINVAL;
4813 goto skip_stuff;
4814 }
4815 if (cnt > (int)stcb->asoc.max_inbound_streams) {
4816 /* More than you are allowed */
4817 error = EINVAL;
4818 goto skip_stuff;
4819 }
4820 }
4821 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0);
4822 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4823 skip_stuff:
4824 SCTP_TCB_UNLOCK(stcb);
4825 break;
4826 }
4827 case SCTP_RESET_ASSOC:
4828 {
4829 int i;
4830 uint32_t *value;
4831
4832 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
4833 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value);
4834 if (stcb == NULL) {
4835 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4836 error = ENOENT;
4837 break;
4838 }
4839 if (stcb->asoc.reconfig_supported == 0) {
4840 /*
4841 * Peer does not support the chunk type.
4842 */
4843 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4844 error = EOPNOTSUPP;
4845 SCTP_TCB_UNLOCK(stcb);
4846 break;
4847 }
4848 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) {
4849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4850 error = EINVAL;
4851 SCTP_TCB_UNLOCK(stcb);
4852 break;
4853 }
4854 if (stcb->asoc.stream_reset_outstanding) {
4855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4856 error = EALREADY;
4857 SCTP_TCB_UNLOCK(stcb);
4858 break;
4859 }
4860 /*
4861 * Is there any data pending in the send or sent
4862 * queues?
4863 */
4864 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) ||
4865 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) {
4866 busy_out:
4867 error = EBUSY;
4868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
4869 SCTP_TCB_UNLOCK(stcb);
4870 break;
4871 }
4872 /* Do any streams have data queued? */
4873 for (i = 0; i < stcb->asoc.streamoutcnt; i++) {
4874 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) {
4875 goto busy_out;
4876 }
4877 }
4878 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0);
4879 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4880 SCTP_TCB_UNLOCK(stcb);
4881 break;
4882 }
4883 case SCTP_CONNECT_X:
4884 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
4885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4886 error = EINVAL;
4887 break;
4888 }
4889 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0);
4890 break;
4891 case SCTP_CONNECT_X_DELAYED:
4892 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
4893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4894 error = EINVAL;
4895 break;
4896 }
4897 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1);
4898 break;
4899 case SCTP_CONNECT_X_COMPLETE:
4900 {
4901 struct sockaddr *sa;
4902
4903 /* FIXME MT: check correct? */
4904 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
4905
4906 /* find tcb */
4907 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
4908 SCTP_INP_RLOCK(inp);
4909 stcb = LIST_FIRST(&inp->sctp_asoc_list);
4910 if (stcb) {
4911 SCTP_TCB_LOCK(stcb);
4912 }
4913 SCTP_INP_RUNLOCK(inp);
4914 } else {
4915 /*
4916 * We increment here since
4917 * sctp_findassociation_ep_addr() wil do a
4918 * decrement if it finds the stcb as long as
4919 * the locked tcb (last argument) is NOT a
4920 * TCB.. aka NULL.
4921 */
4922 SCTP_INP_INCR_REF(inp);
4923 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL);
4924 if (stcb == NULL) {
4925 SCTP_INP_DECR_REF(inp);
4926 }
4927 }
4928
4929 if (stcb == NULL) {
4930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4931 error = ENOENT;
4932 break;
4933 }
4934 if (stcb->asoc.delayed_connection == 1) {
4935 stcb->asoc.delayed_connection = 0;
4936 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
4937 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb,
4938 stcb->asoc.primary_destination,
4939 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8);
4940 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
4941 } else {
4942 /*
4943 * already expired or did not use delayed
4944 * connectx
4945 */
4946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4947 error = EALREADY;
4948 }
4949 SCTP_TCB_UNLOCK(stcb);
4950 break;
4951 }
4952 case SCTP_MAX_BURST:
4953 {
4954 struct sctp_assoc_value *av;
4955
4956 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4957 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4958
4959 if (stcb) {
4960 stcb->asoc.max_burst = av->assoc_value;
4961 SCTP_TCB_UNLOCK(stcb);
4962 } else {
4963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4964 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4965 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4966 ((av->assoc_id == SCTP_FUTURE_ASSOC) ||
4967 (av->assoc_id == SCTP_ALL_ASSOC)))) {
4968 SCTP_INP_WLOCK(inp);
4969 inp->sctp_ep.max_burst = av->assoc_value;
4970 SCTP_INP_WUNLOCK(inp);
4971 }
4972 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4973 ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4974 (av->assoc_id == SCTP_ALL_ASSOC))) {
4975 SCTP_INP_RLOCK(inp);
4976 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4977 SCTP_TCB_LOCK(stcb);
4978 stcb->asoc.max_burst = av->assoc_value;
4979 SCTP_TCB_UNLOCK(stcb);
4980 }
4981 SCTP_INP_RUNLOCK(inp);
4982 }
4983 }
4984 break;
4985 }
4986 case SCTP_MAXSEG:
4987 {
4988 struct sctp_assoc_value *av;
4989
4990 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4991 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4992
4993 if (stcb) {
4994 stcb->asoc.sctp_frag_point = av->assoc_value;
4995 SCTP_TCB_UNLOCK(stcb);
4996 } else {
4997 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4998 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4999 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
5000 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
5001 SCTP_INP_WLOCK(inp);
5002 inp->sctp_frag_point = av->assoc_value;
5003 SCTP_INP_WUNLOCK(inp);
5004 } else {
5005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5006 error = EINVAL;
5007 }
5008 }
5009 break;
5010 }
5011 case SCTP_EVENTS:
5012 {
5013 struct sctp_event_subscribe *events;
5014
5015 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize);
5016
5017 SCTP_INP_WLOCK(inp);
5018 if (events->sctp_data_io_event) {
5019 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
5020 } else {
5021 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
5022 }
5023
5024 if (events->sctp_association_event) {
5025 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5026 } else {
5027 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5028 }
5029
5030 if (events->sctp_address_event) {
5031 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
5032 } else {
5033 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
5034 }
5035
5036 if (events->sctp_send_failure_event) {
5037 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5038 } else {
5039 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5040 }
5041
5042 if (events->sctp_peer_error_event) {
5043 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR);
5044 } else {
5045 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR);
5046 }
5047
5048 if (events->sctp_shutdown_event) {
5049 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5050 } else {
5051 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5052 }
5053
5054 if (events->sctp_partial_delivery_event) {
5055 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
5056 } else {
5057 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
5058 }
5059
5060 if (events->sctp_adaptation_layer_event) {
5061 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5062 } else {
5063 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5064 }
5065
5066 if (events->sctp_authentication_event) {
5067 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT);
5068 } else {
5069 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT);
5070 }
5071
5072 if (events->sctp_sender_dry_event) {
5073 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT);
5074 } else {
5075 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT);
5076 }
5077
5078 if (events->sctp_stream_reset_event) {
5079 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5080 } else {
5081 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5082 }
5083 SCTP_INP_WUNLOCK(inp);
5084
5085 SCTP_INP_RLOCK(inp);
5086 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5087 SCTP_TCB_LOCK(stcb);
5088 if (events->sctp_association_event) {
5089 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5090 } else {
5091 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5092 }
5093 if (events->sctp_address_event) {
5094 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
5095 } else {
5096 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
5097 }
5098 if (events->sctp_send_failure_event) {
5099 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5100 } else {
5101 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5102 }
5103 if (events->sctp_peer_error_event) {
5104 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
5105 } else {
5106 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
5107 }
5108 if (events->sctp_shutdown_event) {
5109 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5110 } else {
5111 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5112 }
5113 if (events->sctp_partial_delivery_event) {
5114 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
5115 } else {
5116 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
5117 }
5118 if (events->sctp_adaptation_layer_event) {
5119 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5120 } else {
5121 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5122 }
5123 if (events->sctp_authentication_event) {
5124 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
5125 } else {
5126 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
5127 }
5128 if (events->sctp_sender_dry_event) {
5129 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
5130 } else {
5131 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
5132 }
5133 if (events->sctp_stream_reset_event) {
5134 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5135 } else {
5136 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5137 }
5138 SCTP_TCB_UNLOCK(stcb);
5139 }
5140 /*
5141 * Send up the sender dry event only for 1-to-1
5142 * style sockets.
5143 */
5144 if (events->sctp_sender_dry_event) {
5145 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5146 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
5147 stcb = LIST_FIRST(&inp->sctp_asoc_list);
5148 if (stcb) {
5149 SCTP_TCB_LOCK(stcb);
5150 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
5151 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
5152 (stcb->asoc.stream_queue_cnt == 0)) {
5153 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
5154 }
5155 SCTP_TCB_UNLOCK(stcb);
5156 }
5157 }
5158 }
5159 SCTP_INP_RUNLOCK(inp);
5160 break;
5161 }
5162 case SCTP_ADAPTATION_LAYER:
5163 {
5164 struct sctp_setadaptation *adap_bits;
5165
5166 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize);
5167 SCTP_INP_WLOCK(inp);
5168 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind;
5169 inp->sctp_ep.adaptation_layer_indicator_provided = 1;
5170 SCTP_INP_WUNLOCK(inp);
5171 break;
5172 }
5173#ifdef SCTP_DEBUG
5174 case SCTP_SET_INITIAL_DBG_SEQ:
5175 {
5176 uint32_t *vvv;
5177
5178 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize);
5179 SCTP_INP_WLOCK(inp);
5180 inp->sctp_ep.initial_sequence_debug = *vvv;
5181 SCTP_INP_WUNLOCK(inp);
5182 break;
5183 }
5184#endif
5185 case SCTP_DEFAULT_SEND_PARAM:
5186 {
5187 struct sctp_sndrcvinfo *s_info;
5188
5189 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize);
5190 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
5191
5192 if (stcb) {
5193 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
5194 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
5195 } else {
5196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5197 error = EINVAL;
5198 }
5199 SCTP_TCB_UNLOCK(stcb);
5200 } else {
5201 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5202 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5203 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
5204 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) ||
5205 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) {
5206 SCTP_INP_WLOCK(inp);
5207 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send)));
5208 SCTP_INP_WUNLOCK(inp);
5209 }
5210 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
5211 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) ||
5212 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) {
5213 SCTP_INP_RLOCK(inp);
5214 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5215 SCTP_TCB_LOCK(stcb);
5216 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
5217 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
5218 }
5219 SCTP_TCB_UNLOCK(stcb);
5220 }
5221 SCTP_INP_RUNLOCK(inp);
5222 }
5223 }
5224 break;
5225 }
5226 case SCTP_PEER_ADDR_PARAMS:
5227 {
5228 struct sctp_paddrparams *paddrp;
5229 struct sctp_nets *net;
5230 struct sockaddr *addr;
5231#if defined(INET) && defined(INET6)
5232 struct sockaddr_in sin_store;
5233#endif
5234
5235 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize);
5236 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
5237
5238#if defined(INET) && defined(INET6)
5239 if (paddrp->spp_address.ss_family == AF_INET6) {
5240 struct sockaddr_in6 *sin6;
5241
5242 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address;
5243 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
5244 in6_sin6_2_sin(&sin_store, sin6);
5245 addr = (struct sockaddr *)&sin_store;
5246 } else {
5247 addr = (struct sockaddr *)&paddrp->spp_address;
5248 }
5249 } else {
5250 addr = (struct sockaddr *)&paddrp->spp_address;
5251 }
5252#else
5253 addr = (struct sockaddr *)&paddrp->spp_address;
5254#endif
5255 if (stcb != NULL) {
5256 net = sctp_findnet(stcb, addr);
5257 } else {
5258 /*
5259 * We increment here since
5260 * sctp_findassociation_ep_addr() wil do a
5261 * decrement if it finds the stcb as long as
5262 * the locked tcb (last argument) is NOT a
5263 * TCB.. aka NULL.
5264 */
5265 net = NULL;
5266 SCTP_INP_INCR_REF(inp);
5267 stcb = sctp_findassociation_ep_addr(&inp, addr,
5268 &net, NULL, NULL);
5269 if (stcb == NULL) {
5270 SCTP_INP_DECR_REF(inp);
5271 }
5272 }
5273 if ((stcb != NULL) && (net == NULL)) {
5274#ifdef INET
5275 if (addr->sa_family == AF_INET) {
5276 struct sockaddr_in *sin;
5277
5278 sin = (struct sockaddr_in *)addr;
5279 if (sin->sin_addr.s_addr != INADDR_ANY) {
5280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5281 SCTP_TCB_UNLOCK(stcb);
5282 error = EINVAL;
5283 break;
5284 }
5285 } else
5286#endif
5287#ifdef INET6
5288 if (addr->sa_family == AF_INET6) {
5289 struct sockaddr_in6 *sin6;
5290
5291 sin6 = (struct sockaddr_in6 *)addr;
5292 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
5293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5294 SCTP_TCB_UNLOCK(stcb);
5295 error = EINVAL;
5296 break;
5297 }
5298 } else
5299#endif
5300 {
5301 error = EAFNOSUPPORT;
5302 SCTP_TCB_UNLOCK(stcb);
5303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
5304 break;
5305 }
5306 }
5307 /* sanity checks */
5308 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) {
5309 if (stcb)
5310 SCTP_TCB_UNLOCK(stcb);
5311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5312 return (EINVAL);
5313 }
5314
5315 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) {
5316 if (stcb)
5317 SCTP_TCB_UNLOCK(stcb);
5318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5319 return (EINVAL);
5320 }
5321 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) &&
5322 (paddrp->spp_pathmtu > 0) &&
5323 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) ||
5324 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) {
5325 if (stcb)
5326 SCTP_TCB_UNLOCK(stcb);
5327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5328 return (EINVAL);
5329 }
5330
5331 if (stcb != NULL) {
5332 /************************TCB SPECIFIC SET ******************/
5333 if (net != NULL) {
5334 /************************NET SPECIFIC SET ******************/
5335 if (paddrp->spp_flags & SPP_HB_DISABLE) {
5336 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) &&
5337 !(net->dest_state & SCTP_ADDR_NOHB)) {
5338 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5339 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9);
5340 }
5341 net->dest_state |= SCTP_ADDR_NOHB;
5342 }
5343 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5344 if (paddrp->spp_hbinterval) {
5345 net->heart_beat_delay = paddrp->spp_hbinterval;
5346 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5347 net->heart_beat_delay = 0;
5348 }
5349 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5350 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
5351 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5352 net->dest_state &= ~SCTP_ADDR_NOHB;
5353 }
5354 if (paddrp->spp_flags & SPP_HB_DEMAND) {
5355 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) {
5356 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5357 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED);
5358 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5359 }
5360 }
5361 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
5362 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5363 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
5364 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11);
5365 }
5366 net->dest_state |= SCTP_ADDR_NO_PMTUD;
5367 if (paddrp->spp_pathmtu > 0) {
5368 net->mtu = paddrp->spp_pathmtu;
5369 switch (net->ro._l_addr.sa.sa_family) {
5370#ifdef INET
5371 case AF_INET:
5372 net->mtu += SCTP_MIN_V4_OVERHEAD;
5373 break;
5374#endif
5375#ifdef INET6
5376 case AF_INET6:
5377 net->mtu += SCTP_MIN_OVERHEAD;
5378 break;
5379#endif
5380 default:
5381 break;
5382 }
5383 if (net->mtu < stcb->asoc.smallest_mtu) {
5384 sctp_pathmtu_adjustment(stcb, net->mtu, true);
5385 }
5386 }
5387 }
5388 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5389 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5390 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
5391 }
5392 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
5393 }
5394 if (paddrp->spp_pathmaxrxt > 0) {
5395 if (net->dest_state & SCTP_ADDR_PF) {
5396 if (net->error_count > paddrp->spp_pathmaxrxt) {
5397 net->dest_state &= ~SCTP_ADDR_PF;
5398 }
5399 } else {
5400 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
5401 (net->error_count > net->pf_threshold)) {
5402 net->dest_state |= SCTP_ADDR_PF;
5403 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5404 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
5405 stcb->sctp_ep, stcb, net,
5406 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12);
5407 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5408 }
5409 }
5410 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5411 if (net->error_count > paddrp->spp_pathmaxrxt) {
5412 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5413 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5414 }
5415 } else {
5416 if (net->error_count <= paddrp->spp_pathmaxrxt) {
5417 net->dest_state |= SCTP_ADDR_REACHABLE;
5418 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5419 }
5420 }
5421 net->failure_threshold = paddrp->spp_pathmaxrxt;
5422 }
5423 if (paddrp->spp_flags & SPP_DSCP) {
5424 net->dscp = paddrp->spp_dscp & 0xfc;
5425 net->dscp |= 0x01;
5426 }
5427#ifdef INET6
5428 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5429 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
5430 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5431 net->flowlabel |= 0x80000000;
5432 }
5433 }
5434#endif
5435 } else {
5436 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/
5437 if (paddrp->spp_pathmaxrxt > 0) {
5438 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt;
5439 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5440 if (net->dest_state & SCTP_ADDR_PF) {
5441 if (net->error_count > paddrp->spp_pathmaxrxt) {
5442 net->dest_state &= ~SCTP_ADDR_PF;
5443 }
5444 } else {
5445 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
5446 (net->error_count > net->pf_threshold)) {
5447 net->dest_state |= SCTP_ADDR_PF;
5448 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5449 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
5450 stcb->sctp_ep, stcb, net,
5451 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13);
5452 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5453 }
5454 }
5455 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5456 if (net->error_count > paddrp->spp_pathmaxrxt) {
5457 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5458 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5459 }
5460 } else {
5461 if (net->error_count <= paddrp->spp_pathmaxrxt) {
5462 net->dest_state |= SCTP_ADDR_REACHABLE;
5463 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5464 }
5465 }
5466 net->failure_threshold = paddrp->spp_pathmaxrxt;
5467 }
5468 }
5469 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5470 if (paddrp->spp_hbinterval != 0) {
5471 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval;
5472 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5473 stcb->asoc.heart_beat_delay = 0;
5474 }
5475 /* Turn back on the timer */
5476 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5477 if (paddrp->spp_hbinterval != 0) {
5478 net->heart_beat_delay = paddrp->spp_hbinterval;
5479 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5480 net->heart_beat_delay = 0;
5481 }
5482 if (net->dest_state & SCTP_ADDR_NOHB) {
5483 net->dest_state &= ~SCTP_ADDR_NOHB;
5484 }
5485 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5486 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14);
5487 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5488 }
5489 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5490 }
5491 if (paddrp->spp_flags & SPP_HB_DISABLE) {
5492 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5493 if (!(net->dest_state & SCTP_ADDR_NOHB)) {
5494 net->dest_state |= SCTP_ADDR_NOHB;
5495 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
5496 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
5497 inp, stcb, net,
5498 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15);
5499 }
5500 }
5501 }
5502 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5503 }
5504 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
5505 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5506 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5507 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
5508 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16);
5509 }
5510 net->dest_state |= SCTP_ADDR_NO_PMTUD;
5511 if (paddrp->spp_pathmtu > 0) {
5512 net->mtu = paddrp->spp_pathmtu;
5513 switch (net->ro._l_addr.sa.sa_family) {
5514#ifdef INET
5515 case AF_INET:
5516 net->mtu += SCTP_MIN_V4_OVERHEAD;
5517 break;
5518#endif
5519#ifdef INET6
5520 case AF_INET6:
5521 net->mtu += SCTP_MIN_OVERHEAD;
5522 break;
5523#endif
5524 default:
5525 break;
5526 }
5527 if (net->mtu < stcb->asoc.smallest_mtu) {
5528 sctp_pathmtu_adjustment(stcb, net->mtu, true);
5529 }
5530 }
5531 }
5532 if (paddrp->spp_pathmtu > 0) {
5533 stcb->asoc.default_mtu = paddrp->spp_pathmtu;
5534 }
5535 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5536 }
5537 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5538 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5539 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5540 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
5541 }
5542 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
5543 }
5544 stcb->asoc.default_mtu = 0;
5545 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5546 }
5547 if (paddrp->spp_flags & SPP_DSCP) {
5548 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5549 net->dscp = paddrp->spp_dscp & 0xfc;
5550 net->dscp |= 0x01;
5551 }
5552 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc;
5553 stcb->asoc.default_dscp |= 0x01;
5554 }
5555#ifdef INET6
5556 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5557 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5558 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
5559 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5560 net->flowlabel |= 0x80000000;
5561 }
5562 }
5563 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5564 stcb->asoc.default_flowlabel |= 0x80000000;
5565 }
5566#endif
5567 }
5568 SCTP_TCB_UNLOCK(stcb);
5569 } else {
5570 /************************NO TCB, SET TO default stuff ******************/
5571 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5572 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5573 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
5574 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) {
5575 SCTP_INP_WLOCK(inp);
5576 /*
5577 * For the TOS/FLOWLABEL stuff you
5578 * set it with the options on the
5579 * socket
5580 */
5581 if (paddrp->spp_pathmaxrxt > 0) {
5582 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt;
5583 }
5584
5585 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
5586 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
5587 else if (paddrp->spp_hbinterval != 0) {
5588 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL)
5589 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL;
5590 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval);
5591 }
5592
5593 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5594 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5595 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
5596 } else if (paddrp->spp_hbinterval) {
5597 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval);
5598 }
5599 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5600 } else if (paddrp->spp_flags & SPP_HB_DISABLE) {
5601 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5602 }
5603 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5604 inp->sctp_ep.default_mtu = 0;
5605 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5606 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
5607 if (paddrp->spp_pathmtu > 0) {
5608 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu;
5609 }
5610 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5611 }
5612 if (paddrp->spp_flags & SPP_DSCP) {
5613 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc;
5614 inp->sctp_ep.default_dscp |= 0x01;
5615 }
5616#ifdef INET6
5617 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5618 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
5619 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5620 inp->sctp_ep.default_flowlabel |= 0x80000000;
5621 }
5622 }
5623#endif
5624 SCTP_INP_WUNLOCK(inp);
5625 } else {
5626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5627 error = EINVAL;
5628 }
5629 }
5630 break;
5631 }
5632 case SCTP_RTOINFO:
5633 {
5634 struct sctp_rtoinfo *srto;
5635 uint32_t new_init, new_min, new_max;
5636
5637 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize);
5638 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
5639
5640 if (stcb) {
5641 if (srto->srto_initial)
5642 new_init = srto->srto_initial;
5643 else
5644 new_init = stcb->asoc.initial_rto;
5645 if (srto->srto_max)
5646 new_max = srto->srto_max;
5647 else
5648 new_max = stcb->asoc.maxrto;
5649 if (srto->srto_min)
5650 new_min = srto->srto_min;
5651 else
5652 new_min = stcb->asoc.minrto;
5653 if ((new_min <= new_init) && (new_init <= new_max)) {
5654 stcb->asoc.initial_rto = new_init;
5655 stcb->asoc.maxrto = new_max;
5656 stcb->asoc.minrto = new_min;
5657 } else {
5658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5659 error = EINVAL;
5660 }
5661 SCTP_TCB_UNLOCK(stcb);
5662 } else {
5663 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5664 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5665 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
5666 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) {
5667 SCTP_INP_WLOCK(inp);
5668 if (srto->srto_initial)
5669 new_init = srto->srto_initial;
5670 else
5671 new_init = inp->sctp_ep.initial_rto;
5672 if (srto->srto_max)
5673 new_max = srto->srto_max;
5674 else
5675 new_max = inp->sctp_ep.sctp_maxrto;
5676 if (srto->srto_min)
5677 new_min = srto->srto_min;
5678 else
5679 new_min = inp->sctp_ep.sctp_minrto;
5680 if ((new_min <= new_init) && (new_init <= new_max)) {
5681 inp->sctp_ep.initial_rto = new_init;
5682 inp->sctp_ep.sctp_maxrto = new_max;
5683 inp->sctp_ep.sctp_minrto = new_min;
5684 } else {
5685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5686 error = EINVAL;
5687 }
5688 SCTP_INP_WUNLOCK(inp);
5689 } else {
5690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5691 error = EINVAL;
5692 }
5693 }
5694 break;
5695 }
5696 case SCTP_ASSOCINFO:
5697 {
5698 struct sctp_assocparams *sasoc;
5699
5700 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize);
5701 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
5702 if (sasoc->sasoc_cookie_life > 0) {
5703 /* boundary check the cookie life */
5704 if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) {
5705 sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE;
5706 }
5707 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) {
5708 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE;
5709 }
5710 }
5711 if (stcb) {
5712 if (sasoc->sasoc_asocmaxrxt > 0) {
5713 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
5714 }
5715 if (sasoc->sasoc_cookie_life > 0) {
5716 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life);
5717 }
5718 SCTP_TCB_UNLOCK(stcb);
5719 } else {
5720 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5721 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5722 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
5723 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) {
5724 SCTP_INP_WLOCK(inp);
5725 if (sasoc->sasoc_asocmaxrxt > 0) {
5726 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
5727 }
5728 if (sasoc->sasoc_cookie_life > 0) {
5729 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life);
5730 }
5731 SCTP_INP_WUNLOCK(inp);
5732 } else {
5733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5734 error = EINVAL;
5735 }
5736 }
5737 break;
5738 }
5739 case SCTP_INITMSG:
5740 {
5741 struct sctp_initmsg *sinit;
5742
5743 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize);
5744 SCTP_INP_WLOCK(inp);
5745 if (sinit->sinit_num_ostreams)
5746 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams;
5747
5748 if (sinit->sinit_max_instreams)
5749 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams;
5750
5751 if (sinit->sinit_max_attempts)
5752 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts;
5753
5754 if (sinit->sinit_max_init_timeo)
5755 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo;
5756 SCTP_INP_WUNLOCK(inp);
5757 break;
5758 }
5759 case SCTP_PRIMARY_ADDR:
5760 {
5761 struct sctp_setprim *spa;
5762 struct sctp_nets *net;
5763 struct sockaddr *addr;
5764#if defined(INET) && defined(INET6)
5765 struct sockaddr_in sin_store;
5766#endif
5767
5768 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize);
5769 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id);
5770
5771#if defined(INET) && defined(INET6)
5772 if (spa->ssp_addr.ss_family == AF_INET6) {
5773 struct sockaddr_in6 *sin6;
5774
5775 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr;
5776 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
5777 in6_sin6_2_sin(&sin_store, sin6);
5778 addr = (struct sockaddr *)&sin_store;
5779 } else {
5780 addr = (struct sockaddr *)&spa->ssp_addr;
5781 }
5782 } else {
5783 addr = (struct sockaddr *)&spa->ssp_addr;
5784 }
5785#else
5786 addr = (struct sockaddr *)&spa->ssp_addr;
5787#endif
5788 if (stcb != NULL) {
5789 net = sctp_findnet(stcb, addr);
5790 } else {
5791 /*
5792 * We increment here since
5793 * sctp_findassociation_ep_addr() wil do a
5794 * decrement if it finds the stcb as long as
5795 * the locked tcb (last argument) is NOT a
5796 * TCB.. aka NULL.
5797 */
5798 net = NULL;
5799 SCTP_INP_INCR_REF(inp);
5800 stcb = sctp_findassociation_ep_addr(&inp, addr,
5801 &net, NULL, NULL);
5802 if (stcb == NULL) {
5803 SCTP_INP_DECR_REF(inp);
5804 }
5805 }
5806
5807 if ((stcb != NULL) && (net != NULL)) {
5808 if (net != stcb->asoc.primary_destination) {
5809 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
5810 /* Ok we need to set it */
5811 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) {
5812 if ((stcb->asoc.alternate) &&
5813 (!(net->dest_state & SCTP_ADDR_PF)) &&
5814 (net->dest_state & SCTP_ADDR_REACHABLE)) {
5815 sctp_free_remote_addr(stcb->asoc.alternate);
5816 stcb->asoc.alternate = NULL;
5817 }
5818 } else {
5819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5820 error = EINVAL;
5821 }
5822 } else {
5823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5824 error = EINVAL;
5825 }
5826 }
5827 } else {
5828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5829 error = EINVAL;
5830 }
5831 if (stcb != NULL) {
5832 SCTP_TCB_UNLOCK(stcb);
5833 }
5834 break;
5835 }
5836 case SCTP_SET_DYNAMIC_PRIMARY:
5837 {
5838 union sctp_sockstore *ss;
5839
5840 error = priv_check(curthread,
5841 PRIV_NETINET_RESERVEDPORT);
5842 if (error)
5843 break;
5844
5845 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize);
5846 /* SUPER USER CHECK? */
5847 error = sctp_dynamic_set_primary(&ss->sa, vrf_id);
5848 break;
5849 }
5850 case SCTP_SET_PEER_PRIMARY_ADDR:
5851 {
5852 struct sctp_setpeerprim *sspp;
5853 struct sockaddr *addr;
5854#if defined(INET) && defined(INET6)
5855 struct sockaddr_in sin_store;
5856#endif
5857
5858 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize);
5859 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id);
5860 if (stcb != NULL) {
5861 struct sctp_ifa *ifa;
5862
5863#if defined(INET) && defined(INET6)
5864 if (sspp->sspp_addr.ss_family == AF_INET6) {
5865 struct sockaddr_in6 *sin6;
5866
5867 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr;
5868 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
5869 in6_sin6_2_sin(&sin_store, sin6);
5870 addr = (struct sockaddr *)&sin_store;
5871 } else {
5872 addr = (struct sockaddr *)&sspp->sspp_addr;
5873 }
5874 } else {
5875 addr = (struct sockaddr *)&sspp->sspp_addr;
5876 }
5877#else
5878 addr = (struct sockaddr *)&sspp->sspp_addr;
5879#endif
5880 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED);
5881 if (ifa == NULL) {
5882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5883 error = EINVAL;
5884 goto out_of_it;
5885 }
5886 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
5887 /*
5888 * Must validate the ifa found is in
5889 * our ep
5890 */
5891 struct sctp_laddr *laddr;
5892 int found = 0;
5893
5894 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
5895 if (laddr->ifa == NULL) {
5896 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n",
5897 __func__);
5898 continue;
5899 }
5900 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) &&
5901 (!sctp_is_addr_pending(stcb, laddr->ifa))) {
5902 continue;
5903 }
5904 if (laddr->ifa == ifa) {
5905 found = 1;
5906 break;
5907 }
5908 }
5909 if (!found) {
5910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5911 error = EINVAL;
5912 goto out_of_it;
5913 }
5914 } else {
5915 switch (addr->sa_family) {
5916#ifdef INET
5917 case AF_INET:
5918 {
5919 struct sockaddr_in *sin;
5920
5921 sin = (struct sockaddr_in *)addr;
5922 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
5923 &sin->sin_addr) != 0) {
5924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5925 error = EINVAL;
5926 goto out_of_it;
5927 }
5928 break;
5929 }
5930#endif
5931#ifdef INET6
5932 case AF_INET6:
5933 {
5934 struct sockaddr_in6 *sin6;
5935
5936 sin6 = (struct sockaddr_in6 *)addr;
5937 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
5938 &sin6->sin6_addr) != 0) {
5939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5940 error = EINVAL;
5941 goto out_of_it;
5942 }
5943 break;
5944 }
5945#endif
5946 default:
5947 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5948 error = EINVAL;
5949 goto out_of_it;
5950 }
5951 }
5952 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) {
5953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5954 error = EINVAL;
5955 }
5956 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED);
5957 out_of_it:
5958 SCTP_TCB_UNLOCK(stcb);
5959 } else {
5960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5961 error = EINVAL;
5962 }
5963 break;
5964 }
5965 case SCTP_BINDX_ADD_ADDR:
5966 {
5967 struct sockaddr *sa;
5968 struct thread *td;
5969
5970 td = (struct thread *)p;
5971 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
5972#ifdef INET
5973 if (sa->sa_family == AF_INET) {
5974 if (optsize < sizeof(struct sockaddr_in)) {
5975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5976 error = EINVAL;
5977 break;
5978 }
5979 if (td != NULL &&
5980 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) {
5981 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5982 break;
5983 }
5984 } else
5985#endif
5986#ifdef INET6
5987 if (sa->sa_family == AF_INET6) {
5988 if (optsize < sizeof(struct sockaddr_in6)) {
5989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5990 error = EINVAL;
5991 break;
5992 }
5993 if (td != NULL &&
5994 (error = prison_local_ip6(td->td_ucred,
5995 &(((struct sockaddr_in6 *)sa)->sin6_addr),
5996 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
5997 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5998 break;
5999 }
6000 } else
6001#endif
6002 {
6003 error = EAFNOSUPPORT;
6004 break;
6005 }
6006 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p);
6007 break;
6008 }
6009 case SCTP_BINDX_REM_ADDR:
6010 {
6011 struct sockaddr *sa;
6012 struct thread *td;
6013
6014 td = (struct thread *)p;
6015
6016 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
6017#ifdef INET
6018 if (sa->sa_family == AF_INET) {
6019 if (optsize < sizeof(struct sockaddr_in)) {
6020 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6021 error = EINVAL;
6022 break;
6023 }
6024 if (td != NULL &&
6025 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) {
6026 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6027 break;
6028 }
6029 } else
6030#endif
6031#ifdef INET6
6032 if (sa->sa_family == AF_INET6) {
6033 if (optsize < sizeof(struct sockaddr_in6)) {
6034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6035 error = EINVAL;
6036 break;
6037 }
6038 if (td != NULL &&
6039 (error = prison_local_ip6(td->td_ucred,
6040 &(((struct sockaddr_in6 *)sa)->sin6_addr),
6041 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
6042 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6043 break;
6044 }
6045 } else
6046#endif
6047 {
6048 error = EAFNOSUPPORT;
6049 break;
6050 }
6051 sctp_bindx_delete_address(inp, sa, vrf_id, &error);
6052 break;
6053 }
6054 case SCTP_EVENT:
6055 {
6056 struct sctp_event *event;
6057 uint32_t event_type;
6058
6059 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize);
6060 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
6061 switch (event->se_type) {
6062 case SCTP_ASSOC_CHANGE:
6063 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
6064 break;
6065 case SCTP_PEER_ADDR_CHANGE:
6066 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
6067 break;
6068 case SCTP_REMOTE_ERROR:
6069 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
6070 break;
6071 case SCTP_SEND_FAILED:
6072 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
6073 break;
6074 case SCTP_SHUTDOWN_EVENT:
6075 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
6076 break;
6077 case SCTP_ADAPTATION_INDICATION:
6078 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
6079 break;
6080 case SCTP_PARTIAL_DELIVERY_EVENT:
6081 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
6082 break;
6083 case SCTP_AUTHENTICATION_EVENT:
6084 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
6085 break;
6086 case SCTP_STREAM_RESET_EVENT:
6087 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
6088 break;
6089 case SCTP_SENDER_DRY_EVENT:
6090 event_type = SCTP_PCB_FLAGS_DRYEVNT;
6091 break;
6092 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
6093 event_type = 0;
6094 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
6095 error = ENOTSUP;
6096 break;
6097 case SCTP_ASSOC_RESET_EVENT:
6098 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
6099 break;
6100 case SCTP_STREAM_CHANGE_EVENT:
6101 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
6102 break;
6103 case SCTP_SEND_FAILED_EVENT:
6104 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
6105 break;
6106 default:
6107 event_type = 0;
6108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6109 error = EINVAL;
6110 break;
6111 }
6112 if (event_type > 0) {
6113 if (stcb) {
6114 if (event->se_on) {
6115 sctp_stcb_feature_on(inp, stcb, event_type);
6116 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) {
6117 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
6118 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
6119 (stcb->asoc.stream_queue_cnt == 0)) {
6120 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
6121 }
6122 }
6123 } else {
6124 sctp_stcb_feature_off(inp, stcb, event_type);
6125 }
6126 SCTP_TCB_UNLOCK(stcb);
6127 } else {
6128 /*
6129 * We don't want to send up a storm
6130 * of events, so return an error for
6131 * sender dry events
6132 */
6133 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) &&
6134 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6135 ((event->se_assoc_id == SCTP_ALL_ASSOC) ||
6136 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) {
6137 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
6138 error = ENOTSUP;
6139 break;
6140 }
6141 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6142 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6143 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6144 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) ||
6145 (event->se_assoc_id == SCTP_ALL_ASSOC)))) {
6146 SCTP_INP_WLOCK(inp);
6147 if (event->se_on) {
6148 sctp_feature_on(inp, event_type);
6149 } else {
6150 sctp_feature_off(inp, event_type);
6151 }
6152 SCTP_INP_WUNLOCK(inp);
6153 }
6154 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6155 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) ||
6156 (event->se_assoc_id == SCTP_ALL_ASSOC))) {
6157 SCTP_INP_RLOCK(inp);
6158 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6159 SCTP_TCB_LOCK(stcb);
6160 if (event->se_on) {
6161 sctp_stcb_feature_on(inp, stcb, event_type);
6162 } else {
6163 sctp_stcb_feature_off(inp, stcb, event_type);
6164 }
6165 SCTP_TCB_UNLOCK(stcb);
6166 }
6167 SCTP_INP_RUNLOCK(inp);
6168 }
6169 }
6170 } else {
6171 if (stcb) {
6172 SCTP_TCB_UNLOCK(stcb);
6173 }
6174 }
6175 break;
6176 }
6177 case SCTP_RECVRCVINFO:
6178 {
6179 int *onoff;
6180
6181 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
6182 SCTP_INP_WLOCK(inp);
6183 if (*onoff != 0) {
6184 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
6185 } else {
6186 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
6187 }
6188 SCTP_INP_WUNLOCK(inp);
6189 break;
6190 }
6191 case SCTP_RECVNXTINFO:
6192 {
6193 int *onoff;
6194
6195 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
6196 SCTP_INP_WLOCK(inp);
6197 if (*onoff != 0) {
6198 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
6199 } else {
6200 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
6201 }
6202 SCTP_INP_WUNLOCK(inp);
6203 break;
6204 }
6205 case SCTP_DEFAULT_SNDINFO:
6206 {
6207 struct sctp_sndinfo *info;
6208 uint16_t policy;
6209
6210 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize);
6211 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
6212
6213 if (stcb) {
6214 if (info->snd_sid < stcb->asoc.streamoutcnt) {
6215 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
6216 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
6217 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
6218 stcb->asoc.def_send.sinfo_flags |= policy;
6219 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
6220 stcb->asoc.def_send.sinfo_context = info->snd_context;
6221 } else {
6222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6223 error = EINVAL;
6224 }
6225 SCTP_TCB_UNLOCK(stcb);
6226 } else {
6227 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6228 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6229 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6230 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) ||
6231 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) {
6232 SCTP_INP_WLOCK(inp);
6233 inp->def_send.sinfo_stream = info->snd_sid;
6234 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
6235 inp->def_send.sinfo_flags = info->snd_flags;
6236 inp->def_send.sinfo_flags |= policy;
6237 inp->def_send.sinfo_ppid = info->snd_ppid;
6238 inp->def_send.sinfo_context = info->snd_context;
6239 SCTP_INP_WUNLOCK(inp);
6240 }
6241 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6242 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) ||
6243 (info->snd_assoc_id == SCTP_ALL_ASSOC))) {
6244 SCTP_INP_RLOCK(inp);
6245 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6246 SCTP_TCB_LOCK(stcb);
6247 if (info->snd_sid < stcb->asoc.streamoutcnt) {
6248 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
6249 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
6250 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
6251 stcb->asoc.def_send.sinfo_flags |= policy;
6252 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
6253 stcb->asoc.def_send.sinfo_context = info->snd_context;
6254 }
6255 SCTP_TCB_UNLOCK(stcb);
6256 }
6257 SCTP_INP_RUNLOCK(inp);
6258 }
6259 }
6260 break;
6261 }
6262 case SCTP_DEFAULT_PRINFO:
6263 {
6264 struct sctp_default_prinfo *info;
6265
6266 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize);
6267 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
6268
6269 if (info->pr_policy > SCTP_PR_SCTP_MAX) {
6270 if (stcb) {
6271 SCTP_TCB_UNLOCK(stcb);
6272 }
6273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6274 error = EINVAL;
6275 break;
6276 }
6277 if (stcb) {
6278 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
6279 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
6280 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
6281 SCTP_TCB_UNLOCK(stcb);
6282 } else {
6283 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6284 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6285 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6286 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) ||
6287 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) {
6288 SCTP_INP_WLOCK(inp);
6289 inp->def_send.sinfo_flags &= 0xfff0;
6290 inp->def_send.sinfo_flags |= info->pr_policy;
6291 inp->def_send.sinfo_timetolive = info->pr_value;
6292 SCTP_INP_WUNLOCK(inp);
6293 }
6294 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6295 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) ||
6296 (info->pr_assoc_id == SCTP_ALL_ASSOC))) {
6297 SCTP_INP_RLOCK(inp);
6298 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6299 SCTP_TCB_LOCK(stcb);
6300 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
6301 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
6302 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
6303 SCTP_TCB_UNLOCK(stcb);
6304 }
6305 SCTP_INP_RUNLOCK(inp);
6306 }
6307 }
6308 break;
6309 }
6310 case SCTP_PEER_ADDR_THLDS:
6311 /* Applies to the specific association */
6312 {
6313 struct sctp_paddrthlds *thlds;
6314 struct sctp_nets *net;
6315 struct sockaddr *addr;
6316#if defined(INET) && defined(INET6)
6317 struct sockaddr_in sin_store;
6318#endif
6319
6320 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize);
6321 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
6322
6323#if defined(INET) && defined(INET6)
6324 if (thlds->spt_address.ss_family == AF_INET6) {
6325 struct sockaddr_in6 *sin6;
6326
6327 sin6 = (struct sockaddr_in6 *)&thlds->spt_address;
6328 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
6329 in6_sin6_2_sin(&sin_store, sin6);
6330 addr = (struct sockaddr *)&sin_store;
6331 } else {
6332 addr = (struct sockaddr *)&thlds->spt_address;
6333 }
6334 } else {
6335 addr = (struct sockaddr *)&thlds->spt_address;
6336 }
6337#else
6338 addr = (struct sockaddr *)&thlds->spt_address;
6339#endif
6340 if (stcb != NULL) {
6341 net = sctp_findnet(stcb, addr);
6342 } else {
6343 /*
6344 * We increment here since
6345 * sctp_findassociation_ep_addr() wil do a
6346 * decrement if it finds the stcb as long as
6347 * the locked tcb (last argument) is NOT a
6348 * TCB.. aka NULL.
6349 */
6350 net = NULL;
6351 SCTP_INP_INCR_REF(inp);
6352 stcb = sctp_findassociation_ep_addr(&inp, addr,
6353 &net, NULL, NULL);
6354 if (stcb == NULL) {
6355 SCTP_INP_DECR_REF(inp);
6356 }
6357 }
6358 if ((stcb != NULL) && (net == NULL)) {
6359#ifdef INET
6360 if (addr->sa_family == AF_INET) {
6361 struct sockaddr_in *sin;
6362
6363 sin = (struct sockaddr_in *)addr;
6364 if (sin->sin_addr.s_addr != INADDR_ANY) {
6365 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6366 SCTP_TCB_UNLOCK(stcb);
6367 error = EINVAL;
6368 break;
6369 }
6370 } else
6371#endif
6372#ifdef INET6
6373 if (addr->sa_family == AF_INET6) {
6374 struct sockaddr_in6 *sin6;
6375
6376 sin6 = (struct sockaddr_in6 *)addr;
6377 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
6378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6379 SCTP_TCB_UNLOCK(stcb);
6380 error = EINVAL;
6381 break;
6382 }
6383 } else
6384#endif
6385 {
6386 error = EAFNOSUPPORT;
6387 SCTP_TCB_UNLOCK(stcb);
6388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6389 break;
6390 }
6391 }
6392 if (thlds->spt_pathcpthld != 0xffff) {
6393 if (stcb != NULL) {
6394 SCTP_TCB_UNLOCK(stcb);
6395 }
6396 error = EINVAL;
6397 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6398 break;
6399 }
6400 if (stcb != NULL) {
6401 if (net != NULL) {
6402 net->failure_threshold = thlds->spt_pathmaxrxt;
6403 net->pf_threshold = thlds->spt_pathpfthld;
6404 if (net->dest_state & SCTP_ADDR_PF) {
6405 if ((net->error_count > net->failure_threshold) ||
6406 (net->error_count <= net->pf_threshold)) {
6407 net->dest_state &= ~SCTP_ADDR_PF;
6408 }
6409 } else {
6410 if ((net->error_count > net->pf_threshold) &&
6411 (net->error_count <= net->failure_threshold)) {
6412 net->dest_state |= SCTP_ADDR_PF;
6413 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
6414 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
6415 stcb->sctp_ep, stcb, net,
6416 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17);
6417 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
6418 }
6419 }
6420 if (net->dest_state & SCTP_ADDR_REACHABLE) {
6421 if (net->error_count > net->failure_threshold) {
6422 net->dest_state &= ~SCTP_ADDR_REACHABLE;
6423 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
6424 }
6425 } else {
6426 if (net->error_count <= net->failure_threshold) {
6427 net->dest_state |= SCTP_ADDR_REACHABLE;
6428 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
6429 }
6430 }
6431 } else {
6432 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6433 net->failure_threshold = thlds->spt_pathmaxrxt;
6434 net->pf_threshold = thlds->spt_pathpfthld;
6435 if (net->dest_state & SCTP_ADDR_PF) {
6436 if ((net->error_count > net->failure_threshold) ||
6437 (net->error_count <= net->pf_threshold)) {
6438 net->dest_state &= ~SCTP_ADDR_PF;
6439 }
6440 } else {
6441 if ((net->error_count > net->pf_threshold) &&
6442 (net->error_count <= net->failure_threshold)) {
6443 net->dest_state |= SCTP_ADDR_PF;
6444 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
6445 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
6446 stcb->sctp_ep, stcb, net,
6447 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18);
6448 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
6449 }
6450 }
6451 if (net->dest_state & SCTP_ADDR_REACHABLE) {
6452 if (net->error_count > net->failure_threshold) {
6453 net->dest_state &= ~SCTP_ADDR_REACHABLE;
6454 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
6455 }
6456 } else {
6457 if (net->error_count <= net->failure_threshold) {
6458 net->dest_state |= SCTP_ADDR_REACHABLE;
6459 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
6460 }
6461 }
6462 }
6463 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt;
6464 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld;
6465 }
6466 SCTP_TCB_UNLOCK(stcb);
6467 } else {
6468 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6469 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6470 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6471 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) {
6472 SCTP_INP_WLOCK(inp);
6473 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt;
6474 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld;
6475 SCTP_INP_WUNLOCK(inp);
6476 } else {
6477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6478 error = EINVAL;
6479 }
6480 }
6481 break;
6482 }
6483 case SCTP_REMOTE_UDP_ENCAPS_PORT:
6484 {
6485 struct sctp_udpencaps *encaps;
6486 struct sctp_nets *net;
6487 struct sockaddr *addr;
6488#if defined(INET) && defined(INET6)
6489 struct sockaddr_in sin_store;
6490#endif
6491
6492 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize);
6493 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
6494
6495#if defined(INET) && defined(INET6)
6496 if (encaps->sue_address.ss_family == AF_INET6) {
6497 struct sockaddr_in6 *sin6;
6498
6499 sin6 = (struct sockaddr_in6 *)&encaps->sue_address;
6500 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
6501 in6_sin6_2_sin(&sin_store, sin6);
6502 addr = (struct sockaddr *)&sin_store;
6503 } else {
6504 addr = (struct sockaddr *)&encaps->sue_address;
6505 }
6506 } else {
6507 addr = (struct sockaddr *)&encaps->sue_address;
6508 }
6509#else
6510 addr = (struct sockaddr *)&encaps->sue_address;
6511#endif
6512 if (stcb != NULL) {
6513 net = sctp_findnet(stcb, addr);
6514 } else {
6515 /*
6516 * We increment here since
6517 * sctp_findassociation_ep_addr() wil do a
6518 * decrement if it finds the stcb as long as
6519 * the locked tcb (last argument) is NOT a
6520 * TCB.. aka NULL.
6521 */
6522 net = NULL;
6523 SCTP_INP_INCR_REF(inp);
6524 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
6525 if (stcb == NULL) {
6526 SCTP_INP_DECR_REF(inp);
6527 }
6528 }
6529 if ((stcb != NULL) && (net == NULL)) {
6530#ifdef INET
6531 if (addr->sa_family == AF_INET) {
6532 struct sockaddr_in *sin;
6533
6534 sin = (struct sockaddr_in *)addr;
6535 if (sin->sin_addr.s_addr != INADDR_ANY) {
6536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6537 SCTP_TCB_UNLOCK(stcb);
6538 error = EINVAL;
6539 break;
6540 }
6541 } else
6542#endif
6543#ifdef INET6
6544 if (addr->sa_family == AF_INET6) {
6545 struct sockaddr_in6 *sin6;
6546
6547 sin6 = (struct sockaddr_in6 *)addr;
6548 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
6549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6550 SCTP_TCB_UNLOCK(stcb);
6551 error = EINVAL;
6552 break;
6553 }
6554 } else
6555#endif
6556 {
6557 error = EAFNOSUPPORT;
6558 SCTP_TCB_UNLOCK(stcb);
6559 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6560 break;
6561 }
6562 }
6563
6564 if (stcb != NULL) {
6565 if (net != NULL) {
6566 net->port = encaps->sue_port;
6567 } else {
6568 stcb->asoc.port = encaps->sue_port;
6569 }
6570 SCTP_TCB_UNLOCK(stcb);
6571 } else {
6572 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6573 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6574 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6575 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) {
6576 SCTP_INP_WLOCK(inp);
6577 inp->sctp_ep.port = encaps->sue_port;
6578 SCTP_INP_WUNLOCK(inp);
6579 } else {
6580 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6581 error = EINVAL;
6582 }
6583 }
6584 break;
6585 }
6586 case SCTP_ECN_SUPPORTED:
6587 {
6588 struct sctp_assoc_value *av;
6589
6590 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6591 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6592
6593 if (stcb) {
6594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6595 error = EINVAL;
6596 SCTP_TCB_UNLOCK(stcb);
6597 } else {
6598 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6599 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6600 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6601 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6602 SCTP_INP_WLOCK(inp);
6603 if (av->assoc_value == 0) {
6604 inp->ecn_supported = 0;
6605 } else {
6606 inp->ecn_supported = 1;
6607 }
6608 SCTP_INP_WUNLOCK(inp);
6609 } else {
6610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6611 error = EINVAL;
6612 }
6613 }
6614 break;
6615 }
6616 case SCTP_PR_SUPPORTED:
6617 {
6618 struct sctp_assoc_value *av;
6619
6620 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6621 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6622
6623 if (stcb) {
6624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6625 error = EINVAL;
6626 SCTP_TCB_UNLOCK(stcb);
6627 } else {
6628 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6629 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6630 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6631 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6632 SCTP_INP_WLOCK(inp);
6633 if (av->assoc_value == 0) {
6634 inp->prsctp_supported = 0;
6635 } else {
6636 inp->prsctp_supported = 1;
6637 }
6638 SCTP_INP_WUNLOCK(inp);
6639 } else {
6640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6641 error = EINVAL;
6642 }
6643 }
6644 break;
6645 }
6646 case SCTP_AUTH_SUPPORTED:
6647 {
6648 struct sctp_assoc_value *av;
6649
6650 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6651 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6652
6653 if (stcb) {
6654 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6655 error = EINVAL;
6656 SCTP_TCB_UNLOCK(stcb);
6657 } else {
6658 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6659 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6660 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6661 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6662 if ((av->assoc_value == 0) &&
6663 (inp->asconf_supported == 1)) {
6664 /*
6665 * AUTH is required for
6666 * ASCONF
6667 */
6668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6669 error = EINVAL;
6670 } else {
6671 SCTP_INP_WLOCK(inp);
6672 if (av->assoc_value == 0) {
6673 inp->auth_supported = 0;
6674 } else {
6675 inp->auth_supported = 1;
6676 }
6677 SCTP_INP_WUNLOCK(inp);
6678 }
6679 } else {
6680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6681 error = EINVAL;
6682 }
6683 }
6684 break;
6685 }
6686 case SCTP_ASCONF_SUPPORTED:
6687 {
6688 struct sctp_assoc_value *av;
6689
6690 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6691 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6692
6693 if (stcb) {
6694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6695 error = EINVAL;
6696 SCTP_TCB_UNLOCK(stcb);
6697 } else {
6698 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6699 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6700 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6701 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6702 if ((av->assoc_value != 0) &&
6703 (inp->auth_supported == 0)) {
6704 /*
6705 * AUTH is required for
6706 * ASCONF
6707 */
6708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6709 error = EINVAL;
6710 } else {
6711 SCTP_INP_WLOCK(inp);
6712 if (av->assoc_value == 0) {
6713 inp->asconf_supported = 0;
6714 sctp_auth_delete_chunk(SCTP_ASCONF,
6715 inp->sctp_ep.local_auth_chunks);
6716 sctp_auth_delete_chunk(SCTP_ASCONF_ACK,
6717 inp->sctp_ep.local_auth_chunks);
6718 } else {
6719 inp->asconf_supported = 1;
6720 sctp_auth_add_chunk(SCTP_ASCONF,
6721 inp->sctp_ep.local_auth_chunks);
6722 sctp_auth_add_chunk(SCTP_ASCONF_ACK,
6723 inp->sctp_ep.local_auth_chunks);
6724 }
6725 SCTP_INP_WUNLOCK(inp);
6726 }
6727 } else {
6728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6729 error = EINVAL;
6730 }
6731 }
6732 break;
6733 }
6734 case SCTP_RECONFIG_SUPPORTED:
6735 {
6736 struct sctp_assoc_value *av;
6737
6738 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6739 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6740
6741 if (stcb) {
6742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6743 error = EINVAL;
6744 SCTP_TCB_UNLOCK(stcb);
6745 } else {
6746 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6747 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6748 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6749 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6750 SCTP_INP_WLOCK(inp);
6751 if (av->assoc_value == 0) {
6752 inp->reconfig_supported = 0;
6753 } else {
6754 inp->reconfig_supported = 1;
6755 }
6756 SCTP_INP_WUNLOCK(inp);
6757 } else {
6758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6759 error = EINVAL;
6760 }
6761 }
6762 break;
6763 }
6764 case SCTP_NRSACK_SUPPORTED:
6765 {
6766 struct sctp_assoc_value *av;
6767
6768 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6769 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6770
6771 if (stcb) {
6772 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6773 error = EINVAL;
6774 SCTP_TCB_UNLOCK(stcb);
6775 } else {
6776 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6777 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6778 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6779 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6780 SCTP_INP_WLOCK(inp);
6781 if (av->assoc_value == 0) {
6782 inp->nrsack_supported = 0;
6783 } else {
6784 inp->nrsack_supported = 1;
6785 }
6786 SCTP_INP_WUNLOCK(inp);
6787 } else {
6788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6789 error = EINVAL;
6790 }
6791 }
6792 break;
6793 }
6794 case SCTP_PKTDROP_SUPPORTED:
6795 {
6796 struct sctp_assoc_value *av;
6797
6798 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6799 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6800
6801 if (stcb) {
6802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6803 error = EINVAL;
6804 SCTP_TCB_UNLOCK(stcb);
6805 } else {
6806 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6807 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6808 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6809 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6810 SCTP_INP_WLOCK(inp);
6811 if (av->assoc_value == 0) {
6812 inp->pktdrop_supported = 0;
6813 } else {
6814 inp->pktdrop_supported = 1;
6815 }
6816 SCTP_INP_WUNLOCK(inp);
6817 } else {
6818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6819 error = EINVAL;
6820 }
6821 }
6822 break;
6823 }
6824 case SCTP_MAX_CWND:
6825 {
6826 struct sctp_assoc_value *av;
6827 struct sctp_nets *net;
6828
6829 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6830 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6831
6832 if (stcb) {
6833 stcb->asoc.max_cwnd = av->assoc_value;
6834 if (stcb->asoc.max_cwnd > 0) {
6835 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6836 if ((net->cwnd > stcb->asoc.max_cwnd) &&
6837 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) {
6838 net->cwnd = stcb->asoc.max_cwnd;
6839 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) {
6840 net->cwnd = net->mtu - sizeof(struct sctphdr);
6841 }
6842 }
6843 }
6844 }
6845 SCTP_TCB_UNLOCK(stcb);
6846 } else {
6847 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6848 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6849 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6850 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6851 SCTP_INP_WLOCK(inp);
6852 inp->max_cwnd = av->assoc_value;
6853 SCTP_INP_WUNLOCK(inp);
6854 } else {
6855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6856 error = EINVAL;
6857 }
6858 }
6859 break;
6860 }
6861 default:
6862 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
6863 error = ENOPROTOOPT;
6864 break;
6865 } /* end switch (opt) */
6866 return (error);
6867}
6868
6869int
6870sctp_ctloutput(struct socket *so, struct sockopt *sopt)
6871{
6872 struct epoch_tracker et;
6873 struct sctp_inpcb *inp;
6874 void *optval = NULL;
6875 void *p;
6876 size_t optsize = 0;
6877 int error = 0;
6878
6879 if ((sopt->sopt_level == SOL_SOCKET) &&
6880 (sopt->sopt_name == SO_SETFIB)) {
6881 inp = (struct sctp_inpcb *)so->so_pcb;
6882 if (inp == NULL) {
6883 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
6884 return (EINVAL);
6885 }
6886 SCTP_INP_WLOCK(inp);
6887 inp->fibnum = so->so_fibnum;
6888 SCTP_INP_WUNLOCK(inp);
6889 return (0);
6890 }
6891 if (sopt->sopt_level != IPPROTO_SCTP) {
6892 /* wrong proto level... send back up to IP */
6893#ifdef INET6
6894 if (INP_CHECK_SOCKAF(so, AF_INET6))
6895 error = ip6_ctloutput(so, sopt);
6896#endif /* INET6 */
6897#if defined(INET) && defined(INET6)
6898 else
6899#endif
6900#ifdef INET
6901 error = ip_ctloutput(so, sopt);
6902#endif
6903 return (error);
6904 }
6905 optsize = sopt->sopt_valsize;
6906 if (optsize > SCTP_SOCKET_OPTION_LIMIT) {
6907 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
6908 return (ENOBUFS);
6909 }
6910 if (optsize) {
6911 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT);
6912 if (optval == NULL) {
6913 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
6914 return (ENOBUFS);
6915 }
6916 error = sooptcopyin(sopt, optval, optsize, optsize);
6917 if (error) {
6918 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6919 goto out;
6920 }
6921 }
6922 p = (void *)sopt->sopt_td;
6923 if (sopt->sopt_dir == SOPT_SET) {
6924 NET_EPOCH_ENTER(et);
6925 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p);
6926 NET_EPOCH_EXIT(et);
6927 } else if (sopt->sopt_dir == SOPT_GET) {
6928 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p);
6929 } else {
6930 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6931 error = EINVAL;
6932 }
6933 if ((error == 0) && (optval != NULL)) {
6934 error = sooptcopyout(sopt, optval, optsize);
6935 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6936 } else if (optval != NULL) {
6937 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6938 }
6939out:
6940 return (error);
6941}
6942
6943#ifdef INET
6944static int
6945sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
6946{
6947 struct epoch_tracker et;
6948 int error = 0;
6949 int create_lock_on = 0;
6950 uint32_t vrf_id;
6951 struct sctp_inpcb *inp;
6952 struct sctp_tcb *stcb = NULL;
6953
6954 inp = (struct sctp_inpcb *)so->so_pcb;
6955 if (inp == NULL) {
6956 /* I made the same as TCP since we are not setup? */
6957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6958 return (ECONNRESET);
6959 }
6960 if (addr == NULL) {
6961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6962 return EINVAL;
6963 }
6964
6965 switch (addr->sa_family) {
6966#ifdef INET6
6967 case AF_INET6:
6968 {
6969 struct sockaddr_in6 *sin6;
6970
6971 if (addr->sa_len != sizeof(struct sockaddr_in6)) {
6972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6973 return (EINVAL);
6974 }
6975 sin6 = (struct sockaddr_in6 *)addr;
6976 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) {
6977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6978 return (error);
6979 }
6980 break;
6981 }
6982#endif
6983#ifdef INET
6984 case AF_INET:
6985 {
6986 struct sockaddr_in *sin;
6987
6988 if (addr->sa_len != sizeof(struct sockaddr_in)) {
6989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6990 return (EINVAL);
6991 }
6992 sin = (struct sockaddr_in *)addr;
6993 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) {
6994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6995 return (error);
6996 }
6997 break;
6998 }
6999#endif
7000 default:
7001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
7002 return (EAFNOSUPPORT);
7003 }
7004 SCTP_INP_INCR_REF(inp);
7005 SCTP_ASOC_CREATE_LOCK(inp);
7006 create_lock_on = 1;
7007 NET_EPOCH_ENTER(et);
7008
7009 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
7010 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
7011 /* Should I really unlock ? */
7012 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
7013 error = EFAULT;
7014 goto out_now;
7015 }
7016#ifdef INET6
7017 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
7018 (addr->sa_family == AF_INET6)) {
7019 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7020 error = EINVAL;
7021 goto out_now;
7022 }
7023#endif
7024 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
7025 SCTP_PCB_FLAGS_UNBOUND) {
7026 /* Bind a ephemeral port */
7027 error = sctp_inpcb_bind(so, NULL, NULL, p);
7028 if (error) {
7029 goto out_now;
7030 }
7031 }
7032 /* Now do we connect? */
7033 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
7034 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
7035 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7036 error = EINVAL;
7037 goto out_now;
7038 }
7039 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
7040 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
7041 /* We are already connected AND the TCP model */
7042 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
7043 error = EADDRINUSE;
7044 goto out_now;
7045 }
7046 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
7047 SCTP_INP_RLOCK(inp);
7048 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7049 SCTP_INP_RUNLOCK(inp);
7050 } else {
7051 /*
7052 * We increment here since sctp_findassociation_ep_addr()
7053 * will do a decrement if it finds the stcb as long as the
7054 * locked tcb (last argument) is NOT a TCB.. aka NULL.
7055 */
7056 SCTP_INP_INCR_REF(inp);
7057 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
7058 if (stcb == NULL) {
7059 SCTP_INP_DECR_REF(inp);
7060 } else {
7061 SCTP_TCB_UNLOCK(stcb);
7062 }
7063 }
7064 if (stcb != NULL) {
7065 /* Already have or am bring up an association */
7066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
7067 error = EALREADY;
7068 goto out_now;
7069 }
7070
7071 vrf_id = inp->def_vrf_id;
7072 /* We are GOOD to go */
7073 stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id,
7074 inp->sctp_ep.pre_open_stream_count,
7075 inp->sctp_ep.port, p,
7076 SCTP_INITIALIZE_AUTH_PARAMS);
7077 if (stcb == NULL) {
7078 /* Gak! no memory */
7079 goto out_now;
7080 }
7081 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT);
7082 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
7083
7084 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
7085 SCTP_TCB_UNLOCK(stcb);
7086out_now:
7087 NET_EPOCH_EXIT(et);
7088 if (create_lock_on) {
7089 SCTP_ASOC_CREATE_UNLOCK(inp);
7090 }
7091 SCTP_INP_DECR_REF(inp);
7092 return (error);
7093}
7094#endif
7095
7096int
7097sctp_listen(struct socket *so, int backlog, struct thread *p)
7098{
7099 /*
7100 * Note this module depends on the protocol processing being called
7101 * AFTER any socket level flags and backlog are applied to the
7102 * socket. The traditional way that the socket flags are applied is
7103 * AFTER protocol processing. We have made a change to the
7104 * sys/kern/uipc_socket.c module to reverse this but this MUST be in
7105 * place if the socket API for SCTP is to work properly.
7106 */
7107
7108 int error = 0;
7109 struct sctp_inpcb *inp;
7110
7111 inp = (struct sctp_inpcb *)so->so_pcb;
7112 if (inp == NULL) {
7113 /* I made the same as TCP since we are not setup? */
7114 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7115 return (ECONNRESET);
7116 }
7117 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) {
7118 /* See if we have a listener */
7119 struct sctp_inpcb *tinp;
7120 union sctp_sockstore store;
7121
7122 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
7123 /* not bound all */
7124 struct sctp_laddr *laddr;
7125
7126 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
7127 memcpy(&store, &laddr->ifa->address, sizeof(store));
7128 switch (store.sa.sa_family) {
7129#ifdef INET
7130 case AF_INET:
7131 store.sin.sin_port = inp->sctp_lport;
7132 break;
7133#endif
7134#ifdef INET6
7135 case AF_INET6:
7136 store.sin6.sin6_port = inp->sctp_lport;
7137 break;
7138#endif
7139 default:
7140 break;
7141 }
7142 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id);
7143 if (tinp && (tinp != inp) &&
7144 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
7145 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
7146 (SCTP_IS_LISTENING(tinp))) {
7147 /*
7148 * we have a listener already and
7149 * its not this inp.
7150 */
7151 SCTP_INP_DECR_REF(tinp);
7152 return (EADDRINUSE);
7153 } else if (tinp) {
7154 SCTP_INP_DECR_REF(tinp);
7155 }
7156 }
7157 } else {
7158 /* Setup a local addr bound all */
7159 memset(&store, 0, sizeof(store));
7160#ifdef INET6
7161 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
7162 store.sa.sa_family = AF_INET6;
7163 store.sa.sa_len = sizeof(struct sockaddr_in6);
7164 }
7165#endif
7166#ifdef INET
7167 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {
7168 store.sa.sa_family = AF_INET;
7169 store.sa.sa_len = sizeof(struct sockaddr_in);
7170 }
7171#endif
7172 switch (store.sa.sa_family) {
7173#ifdef INET
7174 case AF_INET:
7175 store.sin.sin_port = inp->sctp_lport;
7176 break;
7177#endif
7178#ifdef INET6
7179 case AF_INET6:
7180 store.sin6.sin6_port = inp->sctp_lport;
7181 break;
7182#endif
7183 default:
7184 break;
7185 }
7186 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id);
7187 if (tinp && (tinp != inp) &&
7188 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
7189 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
7190 (SCTP_IS_LISTENING(tinp))) {
7191 /*
7192 * we have a listener already and its not
7193 * this inp.
7194 */
7195 SCTP_INP_DECR_REF(tinp);
7196 return (EADDRINUSE);
7197 } else if (tinp) {
7198 SCTP_INP_DECR_REF(tinp);
7199 }
7200 }
7201 }
7202 SCTP_INP_INFO_WLOCK();
7203 SCTP_INP_WLOCK(inp);
7204#ifdef SCTP_LOCK_LOGGING
7205 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) {
7206 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
7207 }
7208#endif
7209 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&
7210 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
7211 /*
7212 * The unlucky case - We are in the tcp pool with this guy.
7213 * - Someone else is in the main inp slot. - We must move
7214 * this guy (the listener) to the main slot - We must then
7215 * move the guy that was listener to the TCP Pool.
7216 */
7217 if (sctp_swap_inpcb_for_listen(inp)) {
7218 error = EADDRINUSE;
7219 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
7220 goto out;
7221 }
7222 }
7223 SOCK_LOCK(so);
7224 error = solisten_proto_check(so);
7225 if (error) {
7226 SOCK_UNLOCK(so);
7227 goto out;
7228 }
7229 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
7230 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
7231 SOCK_UNLOCK(so);
7232 solisten_proto_abort(so);
7233 error = EADDRINUSE;
7234 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
7235 goto out;
7236 }
7237 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
7238 if ((error = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) {
7239 SOCK_UNLOCK(so);
7240 solisten_proto_abort(so);
7241 /* bind error, probably perm */
7242 goto out;
7243 }
7244 }
7245 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) {
7246 solisten_proto(so, backlog);
7247 SOCK_UNLOCK(so);
7248 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING;
7249 } else {
7250 solisten_proto_abort(so);
7251 SOCK_UNLOCK(so);
7252 if (backlog > 0) {
7253 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING;
7254 } else {
7255 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING;
7256 }
7257 }
7258out:
7259 SCTP_INP_WUNLOCK(inp);
7260 SCTP_INP_INFO_WUNLOCK();
7261 return (error);
7262}
7263
7264static int sctp_defered_wakeup_cnt = 0;
7265
7266int
7267sctp_accept(struct socket *so, struct sockaddr **addr)
7268{
7269 struct sctp_tcb *stcb;
7270 struct sctp_inpcb *inp;
7271 union sctp_sockstore store;
7272#ifdef INET6
7273 int error;
7274#endif
7275 inp = (struct sctp_inpcb *)so->so_pcb;
7276
7277 if (inp == NULL) {
7278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7279 return (ECONNRESET);
7280 }
7281 SCTP_INP_WLOCK(inp);
7282 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
7283 SCTP_INP_WUNLOCK(inp);
7284 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
7285 return (EOPNOTSUPP);
7286 }
7287 if (so->so_state & SS_ISDISCONNECTED) {
7288 SCTP_INP_WUNLOCK(inp);
7289 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED);
7290 return (ECONNABORTED);
7291 }
7292 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7293 if (stcb == NULL) {
7294 SCTP_INP_WUNLOCK(inp);
7295 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7296 return (ECONNRESET);
7297 }
7298 SCTP_TCB_LOCK(stcb);
7299 store = stcb->asoc.primary_destination->ro._l_addr;
7300 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE);
7301 /* Wake any delayed sleep action */
7302 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
7303 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
7304 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
7305 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
7306 SOCKBUF_LOCK(&inp->sctp_socket->so_snd);
7307 if (sowriteable(inp->sctp_socket)) {
7308 sowwakeup_locked(inp->sctp_socket);
7309 } else {
7310 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd);
7311 }
7312 }
7313 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
7314 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
7315 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv);
7316 if (soreadable(inp->sctp_socket)) {
7317 sctp_defered_wakeup_cnt++;
7318 sorwakeup_locked(inp->sctp_socket);
7319 } else {
7320 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv);
7321 }
7322 }
7323 }
7324 SCTP_INP_WUNLOCK(inp);
7325 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
7326 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
7327 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19);
7328 } else {
7329 SCTP_TCB_UNLOCK(stcb);
7330 }
7331 switch (store.sa.sa_family) {
7332#ifdef INET
7333 case AF_INET:
7334 {
7335 struct sockaddr_in *sin;
7336
7337 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7338 if (sin == NULL)
7339 return (ENOMEM);
7340 sin->sin_family = AF_INET;
7341 sin->sin_len = sizeof(*sin);
7342 sin->sin_port = store.sin.sin_port;
7343 sin->sin_addr = store.sin.sin_addr;
7344 *addr = (struct sockaddr *)sin;
7345 break;
7346 }
7347#endif
7348#ifdef INET6
7349 case AF_INET6:
7350 {
7351 struct sockaddr_in6 *sin6;
7352
7353 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
7354 if (sin6 == NULL)
7355 return (ENOMEM);
7356 sin6->sin6_family = AF_INET6;
7357 sin6->sin6_len = sizeof(*sin6);
7358 sin6->sin6_port = store.sin6.sin6_port;
7359 sin6->sin6_addr = store.sin6.sin6_addr;
7360 if ((error = sa6_recoverscope(sin6)) != 0) {
7361 SCTP_FREE_SONAME(sin6);
7362 return (error);
7363 }
7364 *addr = (struct sockaddr *)sin6;
7365 break;
7366 }
7367#endif
7368 default:
7369 /* TSNH */
7370 break;
7371 }
7372 return (0);
7373}
7374
7375#ifdef INET
7376int
7377sctp_ingetaddr(struct socket *so, struct sockaddr **addr)
7378{
7379 struct sockaddr_in *sin;
7380 uint32_t vrf_id;
7381 struct sctp_inpcb *inp;
7382 struct sctp_ifa *sctp_ifa;
7383
7384 /*
7385 * Do the malloc first in case it blocks.
7386 */
7387 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7388 if (sin == NULL)
7389 return (ENOMEM);
7390 sin->sin_family = AF_INET;
7391 sin->sin_len = sizeof(*sin);
7392 inp = (struct sctp_inpcb *)so->so_pcb;
7393 if (!inp) {
7394 SCTP_FREE_SONAME(sin);
7395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7396 return (ECONNRESET);
7397 }
7398 SCTP_INP_RLOCK(inp);
7399 sin->sin_port = inp->sctp_lport;
7400 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
7401 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
7402 struct sctp_tcb *stcb;
7403 struct sockaddr_in *sin_a;
7404 struct sctp_nets *net;
7405 int fnd;
7406
7407 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7408 if (stcb == NULL) {
7409 goto notConn;
7410 }
7411 fnd = 0;
7412 sin_a = NULL;
7413 SCTP_TCB_LOCK(stcb);
7414 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
7415 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
7416 if (sin_a == NULL)
7417 /* this will make coverity happy */
7418 continue;
7419
7420 if (sin_a->sin_family == AF_INET) {
7421 fnd = 1;
7422 break;
7423 }
7424 }
7425 if ((!fnd) || (sin_a == NULL)) {
7426 /* punt */
7427 SCTP_TCB_UNLOCK(stcb);
7428 goto notConn;
7429 }
7430
7431 vrf_id = inp->def_vrf_id;
7432 sctp_ifa = sctp_source_address_selection(inp,
7433 stcb,
7434 (sctp_route_t *)&net->ro,
7435 net, 0, vrf_id);
7436 if (sctp_ifa) {
7437 sin->sin_addr = sctp_ifa->address.sin.sin_addr;
7438 sctp_free_ifa(sctp_ifa);
7439 }
7440 SCTP_TCB_UNLOCK(stcb);
7441 } else {
7442 /* For the bound all case you get back 0 */
7443 notConn:
7444 sin->sin_addr.s_addr = 0;
7445 }
7446
7447 } else {
7448 /* Take the first IPv4 address in the list */
7449 struct sctp_laddr *laddr;
7450 int fnd = 0;
7451
7452 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
7453 if (laddr->ifa->address.sa.sa_family == AF_INET) {
7454 struct sockaddr_in *sin_a;
7455
7456 sin_a = &laddr->ifa->address.sin;
7457 sin->sin_addr = sin_a->sin_addr;
7458 fnd = 1;
7459 break;
7460 }
7461 }
7462 if (!fnd) {
7463 SCTP_FREE_SONAME(sin);
7464 SCTP_INP_RUNLOCK(inp);
7465 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
7466 return (ENOENT);
7467 }
7468 }
7469 SCTP_INP_RUNLOCK(inp);
7470 (*addr) = (struct sockaddr *)sin;
7471 return (0);
7472}
7473
7474int
7475sctp_peeraddr(struct socket *so, struct sockaddr **addr)
7476{
7477 struct sockaddr_in *sin;
7478 int fnd;
7479 struct sockaddr_in *sin_a;
7480 struct sctp_inpcb *inp;
7481 struct sctp_tcb *stcb;
7482 struct sctp_nets *net;
7483
7484 /* Do the malloc first in case it blocks. */
7485 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7486 if (sin == NULL)
7487 return (ENOMEM);
7488 sin->sin_family = AF_INET;
7489 sin->sin_len = sizeof(*sin);
7490
7491 inp = (struct sctp_inpcb *)so->so_pcb;
7492 if ((inp == NULL) ||
7493 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
7494 /* UDP type and listeners will drop out here */
7495 SCTP_FREE_SONAME(sin);
7496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
7497 return (ENOTCONN);
7498 }
7499 SCTP_INP_RLOCK(inp);
7500 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7501 if (stcb) {
7502 SCTP_TCB_LOCK(stcb);
7503 }
7504 SCTP_INP_RUNLOCK(inp);
7505 if (stcb == NULL) {
7506 SCTP_FREE_SONAME(sin);
7507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7508 return (ECONNRESET);
7509 }
7510 fnd = 0;
7511 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
7512 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
7513 if (sin_a->sin_family == AF_INET) {
7514 fnd = 1;
7515 sin->sin_port = stcb->rport;
7516 sin->sin_addr = sin_a->sin_addr;
7517 break;
7518 }
7519 }
7520 SCTP_TCB_UNLOCK(stcb);
7521 if (!fnd) {
7522 /* No IPv4 address */
7523 SCTP_FREE_SONAME(sin);
7524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
7525 return (ENOENT);
7526 }
7527 (*addr) = (struct sockaddr *)sin;
7528 return (0);
7529}
7530
7531struct pr_usrreqs sctp_usrreqs = {
7532 .pru_abort = sctp_abort,
7533 .pru_accept = sctp_accept,
7534 .pru_attach = sctp_attach,
7535 .pru_bind = sctp_bind,
7536 .pru_connect = sctp_connect,
7537 .pru_control = in_control,
7538 .pru_close = sctp_close,
7539 .pru_detach = sctp_close,
7540 .pru_sopoll = sopoll_generic,
7541 .pru_flush = sctp_flush,
7542 .pru_disconnect = sctp_disconnect,
7543 .pru_listen = sctp_listen,
7544 .pru_peeraddr = sctp_peeraddr,
7545 .pru_send = sctp_sendm,
7546 .pru_shutdown = sctp_shutdown,
7547 .pru_sockaddr = sctp_ingetaddr,
7548 .pru_sosend = sctp_sosend,
7549 .pru_soreceive = sctp_soreceive
7550};
7551#endif
SCTP_UNUSED
#define SCTP_UNUSED
Definition: alias_sctp.h:86
in_control
int in_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp, struct thread *td)
Definition: in.c:281
uint32_t
__uint32_t uint32_t
Definition: in.h:62
uint16_t
__uint16_t uint16_t
Definition: in.h:57
uint8_t
__uint8_t uint8_t
Definition: in.h:52
INADDR_ANY
#define INADDR_ANY
Definition: in.h:48
sintosa
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Definition: in.h:679
prison_local_ip4
int prison_local_ip4(struct ucred *cred, struct in_addr *ia)
Definition: in_jail.c:220
prison_check_ip4
int prison_check_ip4(const struct ucred *cred, const struct in_addr *ia)
Definition: in_jail.c:322
prison_remote_ip4
int prison_remote_ip4(struct ucred *cred, struct in_addr *ia)
Definition: in_jail.c:271
INP_IPV4
#define INP_IPV4
Definition: in_pcb.h:613
INP_CHECK_SOCKAF
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Definition: in_pcb.h:705
inetctlerrmap
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Definition: ip_input.c:935
ip_len
u_short ip_len
Definition: ip.h:9
VNET_SYSUNINIT
VNET_SYSUNINIT(divert, SI_SUB_PROTO_DOMAIN, SI_ORDER_THIRD, div_destroy, NULL)
id
struct ipfw_flow_id id
Definition: ip_fw.h:7
ICMP_UNREACH_NET_PROHIB
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Definition: ip_icmp.h:164
ICMP_UNREACH_HOST
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Definition: ip_icmp.h:156
ICMP_UNREACH_NET_UNKNOWN
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Definition: ip_icmp.h:161
ICMP_UNREACH_NEEDFRAG
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Definition: ip_icmp.h:159
ICMP_UNREACH_ISOLATED
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Definition: ip_icmp.h:163
ICMP_UNREACH_PROTOCOL
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Definition: ip_icmp.h:157
ICMP_UNREACH_HOST_UNKNOWN
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Definition: ip_icmp.h:162
ICMP_UNREACH_FILTER_PROHIB
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Definition: ip_icmp.h:168
ICMP_UNREACH
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Definition: ip_icmp.h:154
ICMP_UNREACH_NET
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Definition: ip_icmp.h:155
ICMP_UNREACH_HOST_PROHIB
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Definition: ip_icmp.h:165
ICMP_UNREACH_PORT
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Definition: ip_icmp.h:158
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Definition: ip_output.c:1070
SCTP_AUTH_CHUNK
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Definition: sctp.h:102
SCTP_PRIMARY_ADDR
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Definition: sctp.h:86
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Definition: sctp.h:537
SCTP_MAX_SACK_DELAY
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Definition: sctp.h:594
SCTP_GET_LOCAL_ADDR_SIZE
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Definition: sctp.h:263
SCTP_CC_HSTCP
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Definition: sctp.h:284
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Definition: sctp.h:516
SCTP_ASCONF_ACK
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Definition: sctp.h:454
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Definition: sctp.h:206
SCTP_FLIGHT_LOGGING_ENABLE
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Definition: sctp.h:608
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Definition: sctp.h:311
SCTP_CONNECT_X
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Definition: sctp.h:267
SCTP_CONNECT_X_COMPLETE
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Definition: sctp.h:270
SCTP_ASCONF
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Definition: sctp.h:466
SCTP_GET_SNDBUF_USE
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Definition: sctp.h:198
SCTP_PCB_FLAGS_BOUND_V6
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SCTP_CC_OPTION
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Definition: sctp.h:193
SCTP_DELAYED_SACK
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Definition: sctp.h:98
SCTP_BINDX_ADD_ADDR
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Definition: sctp.h:257
SCTP_REMOTE_UDP_ENCAPS_PORT
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Definition: sctp.h:84
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Definition: sctp.h:126
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Definition: sctp.h:81
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Definition: sctp.h:168
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Definition: sctp.h:136
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Definition: sctp.h:127
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Definition: sctp.h:87
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Definition: sctp.h:179
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Definition: sctp.h:139
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Definition: sctp.h:431
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Definition: sctp.h:199
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Definition: sctp.h:558
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Definition: sctp.h:200
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Definition: sctp.h:506
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Definition: sctp.h:130
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Definition: sctp.h:186
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Definition: sctp.h:261
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Definition: sctp.h:514
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Definition: sctp.h:107
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Definition: sctp.h:191
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Definition: sctp.h:313
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Definition: sctp.h:97
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Definition: sctp.h:539
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Definition: sctp.h:451
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Definition: sctp.h:260
SCTP_EVENTS
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Definition: sctp.h:94
SCTP_INITMSG
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Definition: sctp.h:82
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Definition: sctp.h:100
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Definition: sctp.h:114
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Definition: sctp.h:115
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Definition: sctp.h:91
SCTP_SS_ROUND_ROBIN
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Definition: sctp.h:307
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Definition: sctp.h:124
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Definition: sctp.h:610
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Definition: sctp.h:557
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Definition: sctp.h:561
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Definition: sctp.h:170
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Definition: sctp.h:544
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Definition: sctp.h:551
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Definition: sctp.h:236
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Definition: sctp.h:85
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Definition: sctp.h:144
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Definition: sctp.h:546
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Definition: sctp.h:122
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Definition: sctp.h:129
SCTP_FRAG_LEVEL_1
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Definition: sctp.h:322
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Definition: sctp.h:276
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Definition: sctp.h:106
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Definition: sctp.h:169
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Definition: sctp.h:517
SCTP_INTERLEAVING_SUPPORTED
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Definition: sctp.h:195
SCTP_CAUSE_USER_INITIATED_ABT
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Definition: sctp.h:354
SCTP_GET_NONCE_VALUES
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Definition: sctp.h:201
SCTP_MAX_CWND
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Definition: sctp.h:131
SCTP_GET_REMOTE_ADDR_SIZE
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Definition: sctp.h:265
SCTP_MAX_HB_INTERVAL
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Definition: sctp.h:595
SCTP_LARGEST_PMTU
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Definition: sctp.h:578
SCTP_CONNECT_X_DELAYED
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Definition: sctp.h:269
SCTP_PCB_FLAGS_STREAM_CHANGEEVNT
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Definition: sctp.h:562
SCTP_GET_ASSOC_ID_LIST
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Definition: sctp.h:142
SCTP_CC_RTCC
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Definition: sctp.h:288
SCTP_SMALLEST_PMTU
#define SCTP_SMALLEST_PMTU
Definition: sctp.h:576
SCTP_ADD_STREAMS
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Definition: sctp.h:171
SCTP_AUTH_DEACTIVATE_KEY
#define SCTP_AUTH_DEACTIVATE_KEY
Definition: sctp.h:116
SCTP_PCB_FLAGS_NO_FRAGMENT
#define SCTP_PCB_FLAGS_NO_FRAGMENT
Definition: sctp.h:553
SCTP_NODELAY
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Definition: sctp.h:83
SCTP_SS_DEFAULT
#define SCTP_SS_DEFAULT
Definition: sctp.h:305
SCTP_PCB_FLAGS_RECVRCVINFO
#define SCTP_PCB_FLAGS_RECVRCVINFO
Definition: sctp.h:559
SCTP_CC_HTCP
#define SCTP_CC_HTCP
Definition: sctp.h:286
SCTP_DISABLE_FRAGMENTS
#define SCTP_DISABLE_FRAGMENTS
Definition: sctp.h:90
SCTP_FRAG_LEVEL_2
#define SCTP_FRAG_LEVEL_2
Definition: sctp.h:323
SCTP_PCB_FLAGS_CLOSE_IP
#define SCTP_PCB_FLAGS_CLOSE_IP
Definition: sctp.h:509
SCTP_PCB_FLAGS_NEEDS_MAPPED_V4
#define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4
Definition: sctp.h:555
SCTP_CC_RFC2581
#define SCTP_CC_RFC2581
Definition: sctp.h:282
SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT
#define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT
Definition: sctp.h:548
SCTP_PCB_FLAGS_ADAPTATIONEVNT
#define SCTP_PCB_FLAGS_ADAPTATIONEVNT
Definition: sctp.h:549
SCTP_RTOINFO
#define SCTP_RTOINFO
Definition: sctp.h:80
SCTP_PACKET_LOG_SIZE
#define SCTP_PACKET_LOG_SIZE
Definition: sctp.h:589
SCTP_PCB_FLAGS_RECVNSENDFAILEVNT
#define SCTP_PCB_FLAGS_RECVNSENDFAILEVNT
Definition: sctp.h:563
SCTP_PCB_FLAGS_BOUNDALL
#define SCTP_PCB_FLAGS_BOUNDALL
Definition: sctp.h:505
SCTP_FRAG_LEVEL_0
#define SCTP_FRAG_LEVEL_0
Definition: sctp.h:321
SCTP_PCB_FLAGS_DO_NOT_PMTUD
#define SCTP_PCB_FLAGS_DO_NOT_PMTUD
Definition: sctp.h:533
SCTP_RECVNXTINFO
#define SCTP_RECVNXTINFO
Definition: sctp.h:119
SCTP_INITIATION
#define SCTP_INITIATION
Definition: sctp.h:432
SCTP_ENABLE_VALUE_MASK
#define SCTP_ENABLE_VALUE_MASK
Definition: sctp.h:177
SCTP_PCB_FLAGS_FRAG_INTERLEAVE
#define SCTP_PCB_FLAGS_FRAG_INTERLEAVE
Definition: sctp.h:536
SCTP_PCB_FLAGS_AUTOCLOSE
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Definition: sctp.h:542
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int32_t sctp_set_primary_ip_address_sa(struct sctp_tcb *stcb, struct sockaddr *sa)
Definition: sctp_asconf.c:2288
sctp_is_addr_pending
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Definition: sctp_asconf.c:2328
sctp_asconf.h
sctp_serialize_auth_chunks
int sctp_serialize_auth_chunks(const sctp_auth_chklist_t *list, uint8_t *ptr)
Definition: sctp_auth.c:160
sctp_auth_add_hmacid
int sctp_auth_add_hmacid(sctp_hmaclist_t *list, uint16_t hmac_id)
Definition: sctp_auth.c:656
sctp_auth_delete_chunk
int sctp_auth_delete_chunk(uint8_t chunk, sctp_auth_chklist_t *list)
Definition: sctp_auth.c:131
sctp_free_key
void sctp_free_key(sctp_key_t *key)
Definition: sctp_auth.c:259
sctp_free_hmaclist
void sctp_free_hmaclist(sctp_hmaclist_t *list)
Definition: sctp_auth.c:648
sctp_alloc_sharedkey
sctp_sharedkey_t * sctp_alloc_sharedkey(void)
Definition: sctp_auth.c:457
sctp_deact_sharedkey
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Definition: sctp_auth.c:1299
sctp_auth_get_chklist_size
size_t sctp_auth_get_chklist_size(const sctp_auth_chklist_t *list)
Definition: sctp_auth.c:147
sctp_set_key
sctp_key_t * sctp_set_key(uint8_t *key, uint32_t keylen)
Definition: sctp_auth.c:331
sctp_auth_add_chunk
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Definition: sctp_auth.c:105
sctp_delete_sharedkey_ep
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Definition: sctp_auth.c:1220
sctp_delete_sharedkey
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Definition: sctp_auth.c:1186
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Definition: sctp_auth.c:1166
sctp_auth_setactivekey_ep
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Definition: sctp_auth.c:1280
sctp_insert_sharedkey
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Definition: sctp_auth.c:500
sctp_deact_sharedkey_ep
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Definition: sctp_auth.c:1333
sctp_alloc_hmaclist
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Definition: sctp_auth.c:630
sctp_auth_setactivekey
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Definition: sctp_auth.c:1252
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Definition: sctp_auth.c:1145
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Definition: sctp_auth.c:814
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sctp_auth_is_required_chunk
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Definition: sctp_auth.h:101
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Definition: sctp_bsd_addr.c:355
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Definition: sctp_constants.h:940
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SCTP_STATE_COOKIE_ECHOED
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SCTP_LOC_1
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Definition: sctp_constants.h:471
SCTP_LOC_19
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SCTP_LOC_12
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SCTP_OUTPUT_FROM_T3
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SCTP_LOC_8
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SCTP_LOC_16
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Definition: sctp_constants.h:763
SCTP_DATAGRAM_RESEND
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Definition: sctp_constants.h:351
SCTP_SO_NOT_LOCKED
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Definition: sctp_constants.h:932
SCTP_TIMER_RECV
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Definition: sctp_constants.h:512
SCTP_TIMER_TYPE_HEARTBEAT
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Definition: sctp_constants.h:530
SCTP_LOC_14
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Definition: sctp_constants.h:761
SCTP_NOTIFY_INTERFACE_UP
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Definition: sctp_constants.h:691
SCTP_ADDR_PF
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Definition: sctp_constants.h:484
SCTP_TIMER_TYPE_INIT
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Definition: sctp_constants.h:527
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Definition: sctp_constants.h:219
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Definition: sctp_constants.h:476
SCTP_STATE_IN_ACCEPT_QUEUE
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Definition: sctp_constants.h:462
SCTP_STATE_SHUTDOWN_PENDING
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Definition: sctp_constants.h:457
SCTP_LOC_18
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Definition: sctp_constants.h:765
SCTP_LOC_13
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Definition: sctp_constants.h:760
SCTP_ADDR_UNCONFIRMED
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Definition: sctp_constants.h:481
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Definition: sctp_constants.h:375
SCTP_LOC_15
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Definition: sctp_constants.h:469
SCTP_LOC_6
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Definition: sctp_constants.h:753
SCTP_LOC_5
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Definition: sctp_constants.h:752
SCTP_LOC_4
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Definition: sctp_constants.h:751
SCTP_STATE_SHUTDOWN_ACK_SENT
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Definition: sctp_constants.h:456
SCTP_TIMER_TYPE_SHUTDOWNGUARD
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Definition: sctp_constants.h:536
SCTP_GET_STATE
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Definition: sctp_constants.h:465
SCTP_LOC_11
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Definition: sctp_constants.h:758
SCTP_GETTIME_TIMEVAL
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Definition: sctp_constants.h:959
SCTP_LOC_2
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Definition: sctp_constants.h:749
SCTP_LOC_3
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Definition: sctp_constants.h:750
SCTP_OUTPUT_FROM_STRRST_REQ
#define SCTP_OUTPUT_FROM_STRRST_REQ
Definition: sctp_constants.h:370
SCTP_TIMER_TYPE_PATHMTURAISE
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Definition: sctp_constants.h:533
SCTP_SOCKET_OPTION_LIMIT
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Definition: sctp_constants.h:956
SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
Definition: sctp_constants.h:567
SCTP_STATE_COOKIE_WAIT
#define SCTP_STATE_COOKIE_WAIT
Definition: sctp_constants.h:451
SCTP_ADDR_NOHB
#define SCTP_ADDR_NOHB
Definition: sctp_constants.h:477
SCTP_TIMER_TYPE_SHUTDOWN
#define SCTP_TIMER_TYPE_SHUTDOWN
Definition: sctp_constants.h:529
SCTP_STATE_SHUTDOWN_SENT
#define SCTP_STATE_SHUTDOWN_SENT
Definition: sctp_constants.h:454
SCTP_STATE_SHUTDOWN_RECEIVED
#define SCTP_STATE_SHUTDOWN_RECEIVED
Definition: sctp_constants.h:455
SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE
#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE
Definition: sctp_constants.h:842
SCTP_LOC_9
#define SCTP_LOC_9
Definition: sctp_constants.h:756
SCTP_STATE_ABOUT_TO_BE_FREED
#define SCTP_STATE_ABOUT_TO_BE_FREED
Definition: sctp_constants.h:459
SCTP_ADDR_REACHABLE
#define SCTP_ADDR_REACHABLE
Definition: sctp_constants.h:475
SCTP_NOTIFY_INTERFACE_DOWN
#define SCTP_NOTIFY_INTERFACE_DOWN
Definition: sctp_constants.h:690
SCTP_STATE_OPEN
#define SCTP_STATE_OPEN
Definition: sctp_constants.h:453
SCTP_SET_STATE
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Definition: sctp_constants.h:467
SCTP_SO_LOCKED
#define SCTP_SO_LOCKED
Definition: sctp_constants.h:931
SCTP_TIMER_HEARTBEAT
#define SCTP_TIMER_HEARTBEAT
Definition: sctp_constants.h:514
SCTP_OUTPUT_FROM_CLOSING
#define SCTP_OUTPUT_FROM_CLOSING
Definition: sctp_constants.h:374
SCTP_FREE_SHOULD_USE_ABORT
#define SCTP_FREE_SHOULD_USE_ABORT
Definition: sctp_constants.h:841
SCTP_ADDR_NOT_LOCKED
#define SCTP_ADDR_NOT_LOCKED
Definition: sctp_constants.h:938
SCTP_FROM_SCTP_USRREQ
#define SCTP_FROM_SCTP_USRREQ
Definition: sctp_constants.h:738
SCTP_DEBUG_PCB1
#define SCTP_DEBUG_PCB1
Definition: sctp_constants.h:643
SCTP_STATE_PARTIAL_MSG_LEFT
#define SCTP_STATE_PARTIAL_MSG_LEFT
Definition: sctp_constants.h:460
IPPROTO_SCTP
#define IPPROTO_SCTP
Definition: sctp_constants.h:845
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SCTP_MIN_OVERHEAD
#define SCTP_MIN_OVERHEAD
Definition: sctp_header.h:556
SCTP_MIN_V4_OVERHEAD
#define SCTP_MIN_V4_OVERHEAD
Definition: sctp_header.h:566
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SCTP_TCB_LOCK
#define SCTP_TCB_LOCK(_tcb)
Definition: sctp_lock_bsd.h:386
SCTP_INP_INFO_WLOCK
#define SCTP_INP_INFO_WLOCK()
Definition: sctp_lock_bsd.h:98
SCTP_IPI_ADDR_RLOCK
#define SCTP_IPI_ADDR_RLOCK()
Definition: sctp_lock_bsd.h:173
SCTP_INP_RLOCK
#define SCTP_INP_RLOCK(_inp)
Definition: sctp_lock_bsd.h:282
SCTP_ASOC_CREATE_UNLOCK
#define SCTP_ASOC_CREATE_UNLOCK(_inp)
Definition: sctp_lock_bsd.h:333
SCTP_INP_READ_UNLOCK
#define SCTP_INP_READ_UNLOCK(_inp)
Definition: sctp_lock_bsd.h:250
SCTP_IPI_ADDR_RUNLOCK
#define SCTP_IPI_ADDR_RUNLOCK()
Definition: sctp_lock_bsd.h:181
SCTP_INP_WUNLOCK
#define SCTP_INP_WUNLOCK(_inp)
Definition: sctp_lock_bsd.h:295
SCTP_TCB_SEND_UNLOCK
#define SCTP_TCB_SEND_UNLOCK(_tcb)
Definition: sctp_lock_bsd.h:353
SCTP_IPI_ADDR_LOCK_ASSERT
#define SCTP_IPI_ADDR_LOCK_ASSERT()
Definition: sctp_lock_bsd.h:189
SCTP_INP_DECR_REF
#define SCTP_INP_DECR_REF(_inp)
Definition: sctp_lock_bsd.h:310
SCTP_INP_WLOCK
#define SCTP_INP_WLOCK(_inp)
Definition: sctp_lock_bsd.h:286
SCTP_INP_INCR_REF
#define SCTP_INP_INCR_REF(_inp)
Definition: sctp_lock_bsd.h:309
SCTP_TCB_UNLOCK
#define SCTP_TCB_UNLOCK(_tcb)
Definition: sctp_lock_bsd.h:395
SCTP_ASOC_CREATE_LOCK
#define SCTP_ASOC_CREATE_LOCK(_inp)
Definition: sctp_lock_bsd.h:328
SCTP_INP_INFO_WUNLOCK
#define SCTP_INP_INFO_WUNLOCK()
Definition: sctp_lock_bsd.h:106
SCTP_TCB_SEND_LOCK
#define SCTP_TCB_SEND_LOCK(_tcb)
Definition: sctp_lock_bsd.h:349
SCTP_INP_READ_LOCK
#define SCTP_INP_READ_LOCK(_inp)
Definition: sctp_lock_bsd.h:246
SCTP_INP_RUNLOCK
#define SCTP_INP_RUNLOCK(_inp)
Definition: sctp_lock_bsd.h:291
sctp_os.h
SCTP_SB_CLEAR
#define SCTP_SB_CLEAR(sb)
Definition: sctp_os_bsd.h:385
SCTP_LTRACE_ERR_RET
#define SCTP_LTRACE_ERR_RET(inp, stcb, net, file, err)
Definition: sctp_os_bsd.h:191
SCTP_LTRACE_ERR_RET_PKT
#define SCTP_LTRACE_ERR_RET_PKT(m, inp, stcb, net, file, err)
Definition: sctp_os_bsd.h:190
SCTP_IFN_IS_IFT_LOOP
#define SCTP_IFN_IS_IFT_LOOP(ifn)
Definition: sctp_os_bsd.h:205
SCTP_SORESERVE
#define SCTP_SORESERVE(so, send, recv)
Definition: sctp_os_bsd.h:381
SCTP_MAX_VRF_ID
#define SCTP_MAX_VRF_ID
Definition: sctp_os_bsd.h:197
MODULE_GLOBAL
#define MODULE_GLOBAL(__SYMBOL)
Definition: sctp_os_bsd.h:142
SCTP_OS_TIMER_PENDING
#define SCTP_OS_TIMER_PENDING
Definition: sctp_os_bsd.h:278
sctp_route_t
struct route sctp_route_t
Definition: sctp_os_bsd.h:396
SCTP_MALLOC
#define SCTP_MALLOC(var, type, size, name)
Definition: sctp_os_bsd.h:219
SCTP_IPV6_V6ONLY
#define SCTP_IPV6_V6ONLY(sctp_inpcb)
Definition: sctp_os_bsd.h:368
SCTP_MALLOC_SONAME
#define SCTP_MALLOC_SONAME(var, type, size)
Definition: sctp_os_bsd.h:226
SCTP_BASE_VAR
#define SCTP_BASE_VAR(__m)
Definition: sctp_os_bsd.h:149
SCTP_FREE
#define SCTP_FREE(var, type)
Definition: sctp_os_bsd.h:224
SCTP_FREE_SONAME
#define SCTP_FREE_SONAME(var)
Definition: sctp_os_bsd.h:231
SCTP_DEFAULT_VRFID
#define SCTP_DEFAULT_VRFID
Definition: sctp_os_bsd.h:200
SCTPDBG
#define SCTPDBG(level, params...)
Definition: sctp_os_bsd.h:170
SCTP_IS_LISTENING
#define SCTP_IS_LISTENING(inp)
Definition: sctp_os_bsd.h:480
SCTP_BASE_SYSCTL
#define SCTP_BASE_SYSCTL(__m)
Definition: sctp_os_bsd.h:148
SCTP_BUF_NEXT
#define SCTP_BUF_NEXT(m)
Definition: sctp_os_bsd.h:291
SCTP_SB_LIMIT_RCV
#define SCTP_SB_LIMIT_RCV(so)
Definition: sctp_os_bsd.h:390
sctp_is_addr_restricted
int sctp_is_addr_restricted(struct sctp_tcb *stcb, struct sctp_ifa *ifa)
Definition: sctp_output.c:2407
sctp_get_frag_point
uint32_t sctp_get_frag_point(struct sctp_tcb *stcb)
Definition: sctp_output.c:6219
sctp_output
int sctp_output(struct sctp_inpcb *inp, struct mbuf *m, struct sockaddr *addr, struct mbuf *control, struct thread *p, int flags)
Definition: sctp_output.c:10237
sctp_source_address_selection
struct sctp_ifa * sctp_source_address_selection(struct sctp_inpcb *inp, struct sctp_tcb *stcb, sctp_route_t *ro, struct sctp_nets *net, int non_asoc_addr_ok, uint32_t vrf_id)
Definition: sctp_output.c:3297
sctp_send_str_reset_req
int sctp_send_str_reset_req(struct sctp_tcb *stcb, uint16_t number_entries, uint16_t *list, uint8_t send_in_req, uint8_t send_tsn_req, uint8_t add_stream, uint16_t adding_o, uint16_t adding_i, uint8_t peer_asked)
Definition: sctp_output.c:12070
sctp_send_hb
void sctp_send_hb(struct sctp_tcb *stcb, struct sctp_nets *net, int so_locked)
Definition: sctp_output.c:11287
sctp_send_initiate
void sctp_send_initiate(struct sctp_inpcb *inp, struct sctp_tcb *stcb, int so_locked)
Definition: sctp_output.c:4615
sctp_sosend
int sctp_sosend(struct socket *so, struct sockaddr *addr, struct uio *uio, struct mbuf *top, struct mbuf *control, int flags, struct thread *p)
Definition: sctp_output.c:12439
sctp_send_abort_tcb
void sctp_send_abort_tcb(struct sctp_tcb *stcb, struct mbuf *operr, int so_locked)
Definition: sctp_output.c:10871
sctp_send_shutdown
void sctp_send_shutdown(struct sctp_tcb *stcb, struct sctp_nets *net)
Definition: sctp_output.c:9206
sctp_send_stream_reset_out_if_possible
int sctp_send_stream_reset_out_if_possible(struct sctp_tcb *stcb, int so_locked)
Definition: sctp_output.c:11998
sctp_chunk_output
void sctp_chunk_output(struct sctp_inpcb *inp, struct sctp_tcb *stcb, int from_where, int so_locked)
Definition: sctp_output.c:9960
sctp_output.h
sctp_inpcb_alloc
int sctp_inpcb_alloc(struct socket *so, uint32_t vrf_id)
Definition: sctp_pcb.c:2379
sctp_pcb_finish
void sctp_pcb_finish(void)
Definition: sctp_pcb.c:5856
sctp_aloc_assoc_connected
struct sctp_tcb * sctp_aloc_assoc_connected(struct sctp_inpcb *inp, struct sockaddr *firstaddr, int *error, uint32_t override_tag, uint32_t initial_tsn, uint32_t vrf_id, uint16_t o_streams, uint16_t port, struct thread *p, int initialize_auth_params)
Definition: sctp_pcb.c:4418
sctp_free_ifa
void sctp_free_ifa(struct sctp_ifa *sctp_ifap)
Definition: sctp_pcb.c:270
sctp_fill_pcbinfo
void sctp_fill_pcbinfo(struct sctp_pcbinfo *spcb)
Definition: sctp_pcb.c:81
sctp_inpcb_bind_locked
int sctp_inpcb_bind_locked(struct sctp_inpcb *inp, struct sockaddr *addr, struct sctp_ifa *sctp_ifap, struct thread *td)
Definition: sctp_pcb.c:2824
sctp_findassociation_addr_sa
struct sctp_tcb * sctp_findassociation_addr_sa(struct sockaddr *from, struct sockaddr *to, struct sctp_inpcb **inp_p, struct sctp_nets **netp, int find_tcp_pool, uint32_t vrf_id)
Definition: sctp_pcb.c:1969
sctp_inpcb_bind
int sctp_inpcb_bind(struct socket *so, struct sockaddr *addr, struct sctp_ifa *sctp_ifap, struct thread *td)
Definition: sctp_pcb.c:3225
sctp_pcb_findep
struct sctp_inpcb * sctp_pcb_findep(struct sockaddr *nam, int find_tcp_pool, int have_lock, uint32_t vrf_id)
Definition: sctp_pcb.c:1888
sctp_swap_inpcb_for_listen
int sctp_swap_inpcb_for_listen(struct sctp_inpcb *inp)
Definition: sctp_pcb.c:1838
sctp_inpcb_free
void sctp_inpcb_free(struct sctp_inpcb *inp, int immediate, int from)
Definition: sctp_pcb.c:3311
sctp_pcb_init
void sctp_pcb_init(void)
Definition: sctp_pcb.c:5709
sctp_findnet
struct sctp_nets * sctp_findnet(struct sctp_tcb *stcb, struct sockaddr *addr)
Definition: sctp_pcb.c:3690
sctp_free_assoc
int sctp_free_assoc(struct sctp_inpcb *inp, struct sctp_tcb *stcb, int from_inpcbfree, int from_location)
Definition: sctp_pcb.c:4689
sctp_findassociation_ep_addr
struct sctp_tcb * sctp_findassociation_ep_addr(struct sctp_inpcb **inp_p, struct sockaddr *remote, struct sctp_nets **netp, struct sockaddr *local, struct sctp_tcb *locked_tcb)
Definition: sctp_pcb.c:1259
sctp_set_primary_addr
int sctp_set_primary_addr(struct sctp_tcb *stcb, struct sockaddr *sa, struct sctp_nets *net)
Definition: sctp_pcb.c:6683
sctp_find_vrf
struct sctp_vrf * sctp_find_vrf(uint32_t vrf_id)
Definition: sctp_pcb.c:216
sctp_pcb.h
SCTP_INITIALIZE_AUTH_PARAMS
#define SCTP_INITIALIZE_AUTH_PARAMS
Definition: sctp_pcb.h:568
CHUNK_FLAGS_FRAGMENT_OK
#define CHUNK_FLAGS_FRAGMENT_OK
Definition: sctp_structs.h:415
SCTP_MAX_STREAMS_AT_ONCE_RESET
#define SCTP_MAX_STREAMS_AT_ONCE_RESET
Definition: sctp_structs.h:633
SCTP_STREAM_OPEN
#define SCTP_STREAM_OPEN
Definition: sctp_structs.h:605
SCTP_STREAM_RESET_PENDING
#define SCTP_STREAM_RESET_PENDING
Definition: sctp_structs.h:606
sctp_init_sysctls
void sctp_init_sysctls()
Definition: sctp_sysctl.c:55
sctp_sysctl.h
sctp_timer.h
SCTP_RTT_SHIFT
#define SCTP_RTT_SHIFT
Definition: sctp_timer.h:43
sctp_uio.h
SCTP_ACTIVE
#define SCTP_ACTIVE
Definition: sctp_uio.h:349
SPP_PMTUD_ENABLE
#define SPP_PMTUD_ENABLE
Definition: sctp_uio.h:574
SCTP_ASSOC_RESET_EVENT
#define SCTP_ASSOC_RESET_EVENT
Definition: sctp_uio.h:552
SCTP_AUTH_HMAC_ID_SHA1
#define SCTP_AUTH_HMAC_ID_SHA1
Definition: sctp_uio.h:674
SCTP_CURRENT_ASSOC
#define SCTP_CURRENT_ASSOC
Definition: sctp_uio.h:51
SCTP_ASSOC_CHANGE
#define SCTP_ASSOC_CHANGE
Definition: sctp_uio.h:539
SCTP_INACTIVE
#define SCTP_INACTIVE
Definition: sctp_uio.h:350
SCTP_FUTURE_ASSOC
#define SCTP_FUTURE_ASSOC
Definition: sctp_uio.h:50
SCTP_PEER_ADDR_CHANGE
#define SCTP_PEER_ADDR_CHANGE
Definition: sctp_uio.h:540
SCTP_REMOTE_ERROR
#define SCTP_REMOTE_ERROR
Definition: sctp_uio.h:541
SPP_IPV6_FLOWLABEL
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Definition: sctp_uio.h:577
SPP_DSCP
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Definition: sctp_uio.h:578
SCTP_PR_SCTP_ALL
#define SCTP_PR_SCTP_ALL
Definition: sctp_uio.h:265
SCTP_STAT_INCR_COUNTER32
#define SCTP_STAT_INCR_COUNTER32(_x)
Definition: sctp_uio.h:1135
SCTP_SHUTDOWN_EVENT
#define SCTP_SHUTDOWN_EVENT
Definition: sctp_uio.h:543
SCTP_NOTIFICATIONS_STOPPED_EVENT
#define SCTP_NOTIFICATIONS_STOPPED_EVENT
Definition: sctp_uio.h:551
sctp_assoc_t
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Definition: sctp_uio.h:48
SCTP_SEND_FAILED_EVENT
#define SCTP_SEND_FAILED_EVENT
Definition: sctp_uio.h:554
SCTP_UNCONFIRMED
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Definition: sctp_uio.h:351
SPP_HB_DEMAND
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Definition: sctp_uio.h:573
SCTP_PR_SCTP_MAX
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Definition: sctp_uio.h:264
SCTP_STREAM_RESET_EVENT
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Definition: sctp_uio.h:549
SPP_HB_TIME_IS_ZERO
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Definition: sctp_uio.h:576
SPP_PMTUD_DISABLE
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Definition: sctp_uio.h:575
SPP_HB_ENABLE
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Definition: sctp_uio.h:571
SCTP_ADAPTATION_INDICATION
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Definition: sctp_uio.h:544
SCTP_AUTHENTICATION_EVENT
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Definition: sctp_uio.h:548
SCTP_PR_SCTP_NONE
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Definition: sctp_uio.h:259
SCTP_SEND_FAILED
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Definition: sctp_uio.h:542
PR_SCTP_POLICY
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Definition: sctp_uio.h:267
SCTP_ALL_ASSOC
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Definition: sctp_uio.h:52
SCTP_SENDER_DRY_EVENT
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Definition: sctp_uio.h:550
SPP_HB_DISABLE
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Definition: sctp_uio.h:572
SCTP_STREAM_CHANGE_EVENT
#define SCTP_STREAM_CHANGE_EVENT
Definition: sctp_uio.h:553
SCTP_STAT_DECR_GAUGE32
#define SCTP_STAT_DECR_GAUGE32(_x)
Definition: sctp_uio.h:1140
SCTP_PARTIAL_DELIVERY_EVENT
#define SCTP_PARTIAL_DELIVERY_EVENT
Definition: sctp_uio.h:547
sctp_accept
int sctp_accept(struct socket *so, struct sockaddr **addr)
Definition: sctp_usrreq.c:7267
sctp_fill_user_address
static uint32_t sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src)
Definition: sctp_usrreq.c:995
sctp_max_size_addresses
static size_t sctp_max_size_addresses(struct sctp_inpcb *inp)
Definition: sctp_usrreq.c:1339
sctp_sendm
int sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, struct mbuf *control, struct thread *p)
Definition: sctp_usrreq.c:589
sctp_pathmtu_adjustment
void sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint32_t mtu, bool resend)
Definition: sctp_usrreq.c:109
sctp_flush
int sctp_flush(struct socket *so, int how)
Definition: sctp_usrreq.c:817
sctp_max_size_addresses_vrf
static size_t sctp_max_size_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id)
Definition: sctp_usrreq.c:1260
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Definition: sctp_usrreq.c:6870
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static int sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, void *p)
Definition: sctp_usrreq.c:1522
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int sctp_disconnect(struct socket *so)
Definition: sctp_usrreq.c:674
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Definition: sctp_usrreq.c:7097
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VNET_SYSINIT(sctp_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_THIRD, sctp_init, NULL)
SYSCTL_PROC
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")
SCTP_FIND_STCB
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Definition: sctp_usrreq.c:1490
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static int sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, void *p)
Definition: sctp_usrreq.c:3736
__FBSDID
__FBSDID("$FreeBSD$")
sctp_defered_wakeup_cnt
static int sctp_defered_wakeup_cnt
Definition: sctp_usrreq.c:7264
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Definition: sctp_usrreq.c:866
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static int sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, size_t optsize, void *p, int delay)
Definition: sctp_usrreq.c:1351
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void sctp_close(struct socket *so)
Definition: sctp_usrreq.c:528
sctp_init
static void sctp_init(void *arg SCTP_UNUSED)
Definition: sctp_usrreq.c:62
SCTP_CHECK_AND_CAST
#define SCTP_CHECK_AND_CAST(destp, srcp, type, size)
Definition: sctp_usrreq.c:1511
sctp_fill_up_addresses
static size_t sctp_fill_up_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, size_t limit, struct sockaddr *addr)
Definition: sctp_usrreq.c:1244
sctp_fill_up_addresses_vrf
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)
Definition: sctp_usrreq.c:1008
sctp_getcred
static int sctp_getcred(SYSCTL_HANDLER_ARGS)
Definition: sctp_usrreq.c:368
sctp_var.h
sctp_flight_size_decrease
#define sctp_flight_size_decrease(tp1)
Definition: sctp_var.h:247
sctp_stcb_feature_off
#define sctp_stcb_feature_off(inp, stcb, feature)
Definition: sctp_var.h:59
sctp_feature_on
#define sctp_feature_on(inp, feature)
Definition: sctp_var.h:47
sctp_total_flight_decrease
#define sctp_total_flight_decrease(stcb, tp1)
Definition: sctp_var.h:296
sctp_is_feature_on
#define sctp_is_feature_on(inp, feature)
Definition: sctp_var.h:49
sctp_is_feature_off
#define sctp_is_feature_off(inp, feature)
Definition: sctp_var.h:50
sctp_notify
void sctp_notify(struct sctp_inpcb *, struct sctp_tcb *, struct sctp_nets *, uint8_t, uint8_t, uint16_t, uint32_t)
sctp_feature_off
#define sctp_feature_off(inp, feature)
Definition: sctp_var.h:48
sctp_stcb_feature_on
#define sctp_stcb_feature_on(inp, stcb, feature)
Definition: sctp_var.h:52
sctp_free_remote_addr
#define sctp_free_remote_addr(__net)
Definition: sctp_var.h:184
sctp_stcb_is_feature_on
#define sctp_stcb_is_feature_on(inp, stcb, feature)
Definition: sctp_var.h:66
sctp_ucount_incr
#define sctp_ucount_incr(val)
Definition: sctp_var.h:224
sctp_peeraddr
int sctp_peeraddr(struct socket *, struct sockaddr **)
sctp_ctlinput
void sctp_ctlinput(int, struct sockaddr *, void *)
sctp_usrreqs
struct pr_usrreqs sctp_usrreqs
sctp_ingetaddr
int sctp_ingetaddr(struct socket *, struct sockaddr **)
sctp_map_assoc_state
int32_t sctp_map_assoc_state(int kernel_state)
Definition: sctputil.c:1071
sctp_misc_ints
void sctp_misc_ints(uint8_t from, uint32_t a, uint32_t b, uint32_t c, uint32_t d)
Definition: sctputil.c:489
sctp_timer_stop
void sctp_timer_stop(int t_type, struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sctp_nets *net, uint32_t from)
Definition: sctputil.c:2615
sctp_timer_start
void sctp_timer_start(int t_type, struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sctp_nets *net)
Definition: sctputil.c:2157
sctp_generate_cause
struct mbuf * sctp_generate_cause(uint16_t code, char *info)
Definition: sctputil.c:4951
sctp_fill_stat_log
int sctp_fill_stat_log(void *optval SCTP_UNUSED, size_t *optsize SCTP_UNUSED)
Definition: sctputil.c:571
sctp_ulp_notify
void sctp_ulp_notify(uint32_t notification, struct sctp_tcb *stcb, uint32_t error, void *data, int so_locked)
Definition: sctputil.c:4042
sctp_bindx_add_address
void sctp_bindx_add_address(struct socket *so, struct sctp_inpcb *inp, struct sockaddr *sa, uint32_t vrf_id, int *error, void *p)
Definition: sctputil.c:6733
sctp_find_ifa_by_addr
struct sctp_ifa * sctp_find_ifa_by_addr(struct sockaddr *addr, uint32_t vrf_id, int holds_lock)
Definition: sctputil.c:5329
sctp_abort_an_association
void sctp_abort_an_association(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct mbuf *op_err, bool timedout, int so_locked)
Definition: sctputil.c:4465
sctp_connectx_helper_find
int sctp_connectx_helper_find(struct sctp_inpcb *inp, struct sockaddr *addr, unsigned int totaddr, unsigned int *num_v4, unsigned int *num_v6, unsigned int limit)
Definition: sctputil.c:6660
sctp_get_prev_mtu
uint32_t sctp_get_prev_mtu(uint32_t val)
Definition: sctputil.c:950
sctp_dynamic_set_primary
int sctp_dynamic_set_primary(struct sockaddr *sa, uint32_t vrf_id)
Definition: sctputil.c:6461
sctp_ticks_to_secs
uint32_t sctp_ticks_to_secs(uint32_t ticks)
Definition: sctputil.c:833
sctp_bindx_delete_address
void sctp_bindx_delete_address(struct sctp_inpcb *inp, struct sockaddr *sa, uint32_t vrf_id, int *error)
Definition: sctputil.c:6849
sctp_log_lock
void sctp_log_lock(struct sctp_inpcb *inp, struct sctp_tcb *stcb, uint8_t from)
Definition: sctputil.c:352
sctp_hc_set_mtu
void sctp_hc_set_mtu(union sctp_sockstore *addr, uint16_t fibnum, uint32_t mtu)
Definition: sctputil.c:7574
sctp_soreceive
int sctp_soreceive(struct socket *so, struct sockaddr **psa, struct uio *uio, struct mbuf **mp0, struct mbuf **controlp, int *flagsp)
Definition: sctputil.c:6508
sctp_log_closing
void sctp_log_closing(struct sctp_inpcb *inp, struct sctp_tcb *stcb, int16_t loc)
Definition: sctputil.c:96
sctp_secs_to_ticks
uint32_t sctp_secs_to_ticks(uint32_t secs)
Definition: sctputil.c:818
sctp_msecs_to_ticks
uint32_t sctp_msecs_to_ticks(uint32_t msecs)
Definition: sctputil.c:780
sctp_ticks_to_msecs
uint32_t sctp_ticks_to_msecs(uint32_t ticks)
Definition: sctputil.c:799
sctp_connectx_helper_add
int sctp_connectx_helper_add(struct sctp_tcb *stcb, struct sockaddr *addr, int totaddr, int *error)
Definition: sctputil.c:6579
sctp_abort_notification
void sctp_abort_notification(struct sctp_tcb *stcb, bool from_peer, bool timeout, uint16_t error, struct sctp_abort_chunk *abort, int so_locked)
Definition: sctputil.c:4327
sctp_stop_timers_for_shutdown
void sctp_stop_timers_for_shutdown(struct sctp_tcb *stcb)
Definition: sctputil.c:853
sctp_get_associd
#define sctp_get_associd(stcb)
Definition: sctputil.h:63
sctp_m_freem
#define sctp_m_freem
Definition: sctputil.h:55
icmp
Definition: ip_icmp.h:65
icmp::icmp_code
u_char icmp_code
Definition: ip_icmp.h:67
icmp::icmp_type
u_char icmp_type
Definition: ip_icmp.h:66
in_addr::s_addr
in_addr_t s_addr
Definition: in.h:84
inpcb
Definition: in_pcb.h:217
inpcb::inp_cred
struct ucred * inp_cred
Definition: in_pcb.h:258
ip
Definition: ip.h:51
ip::ip_dst
struct in_addr ip_src ip_dst
Definition: ip.h:71
ip::ip_hl
u_char ip_hl
Definition: ip.h:53
ip::ip_len
u_short ip_len
Definition: ip.h:61
sctp_add_streams
Definition: sctp_uio.h:779
sctp_add_streams::sas_assoc_id
sctp_assoc_t sas_assoc_id
Definition: sctp_uio.h:780
sctp_add_streams::sas_instrms
uint16_t sas_instrms
Definition: sctp_uio.h:781
sctp_add_streams::sas_outstrms
uint16_t sas_outstrms
Definition: sctp_uio.h:782
sctp_assoc_ids
Definition: sctp_uio.h:706
sctp_assoc_ids::gaids_assoc_id
sctp_assoc_t gaids_assoc_id[]
Definition: sctp_uio.h:708
sctp_assoc_ids::gaids_number_of_ids
uint32_t gaids_number_of_ids
Definition: sctp_uio.h:707
sctp_assoc_value
Definition: sctp_uio.h:690
sctp_assoc_value::assoc_id
sctp_assoc_t assoc_id
Definition: sctp_uio.h:691
sctp_assoc_value::assoc_value
uint32_t assoc_value
Definition: sctp_uio.h:692
sctp_association
Definition: sctp_structs.h:785
sctp_association::peer_hmac_id
uint16_t peer_hmac_id
Definition: sctp_structs.h:1097
sctp_association::numnets
unsigned int numnets
Definition: sctp_structs.h:1043
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struct timeval time_entered
Definition: sctp_structs.h:792
sctp_association::total_output_queue_size
uint32_t total_output_queue_size
Definition: sctp_structs.h:1007
sctp_association::sent_queue_retran_cnt
unsigned int sent_queue_retran_cnt
Definition: sctp_structs.h:1032
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uint16_t max_send_times
Definition: sctp_structs.h:1123
sctp_association::default_dscp
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Definition: sctp_structs.h:1168
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Definition: sctp_structs.h:1005
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sctp_auth_chklist_t * local_auth_chunks
Definition: sctp_structs.h:1082
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struct sctp_nets * alternate
Definition: sctp_structs.h:861
sctp_association::default_mtu
uint32_t default_mtu
Definition: sctp_structs.h:1096
sctp_association::send_queue
struct sctpchunk_listhead send_queue
Definition: sctp_structs.h:833
sctp_association::streamincnt
uint16_t streamincnt
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sctp_association::def_net_failure
uint16_t def_net_failure
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struct sctp_stream_out * strmout
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sctp_association::timodata
uint32_t timodata
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sctp_association::shared_keys
struct sctp_keyhead shared_keys
Definition: sctp_structs.h:1086
sctp_association::context
uint32_t context
Definition: sctp_structs.h:973
sctp_association::nets
struct sctpnetlisthead nets
Definition: sctp_structs.h:814
sctp_association::reconfig_supported
uint8_t reconfig_supported
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sctp_association::auth_supported
uint8_t auth_supported
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sctp_authinfo_t authinfo
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sctp_association::initial_rto
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sctp_association::delayed_connection
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sctp_association::my_vtag
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unsigned int cnt_on_all_streams
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sctp_association::minrto
uint32_t minrto
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sctp_association::vrf_id
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sctp_association::timoheartbeat
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sctp_association::timoshutdownack
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sctp_association::stream_queue_cnt
unsigned int stream_queue_cnt
Definition: sctp_structs.h:1024
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sctp_association::size_on_all_streams
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sctp_association::asconf_supported
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sctp_association::max_inbound_streams
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sctp_association::def_net_pf_threshold
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uint64_t abandoned_unsent[SCTP_PR_SCTP_MAX+1]
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sctp_association::port
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uint64_t abandoned_sent[SCTP_PR_SCTP_MAX+1]
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sctp_association::def_send
struct sctp_nonpad_sndrcvinfo def_send
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sctp_association::peers_rwnd
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sctp_association::max_burst
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struct sctp_nets * primary_destination
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sctp_association::stream_scheduling_module
uint32_t stream_scheduling_module
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struct sctp_cc_functions cc_functions
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struct sctpchunk_listhead sent_queue
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sctp_association::peer_auth_chunks
sctp_auth_chklist_t * peer_auth_chunks
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