1 /*-
2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * a) Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 *
12 * b) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the distribution.
15 *
16 * c) Neither the name of Cisco Systems, Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
35
36 #include <netinet/sctp_os.h>
37 #include <sys/proc.h>
38 #include <netinet/sctp_pcb.h>
39 #include <netinet/sctp_header.h>
40 #include <netinet/sctp_var.h>
41 #ifdef INET6
42 #include <netinet6/sctp6_var.h>
43 #endif
44 #include <netinet/sctp_sysctl.h>
45 #include <netinet/sctp_output.h>
46 #include <netinet/sctp_uio.h>
47 #include <netinet/sctp_asconf.h>
48 #include <netinet/sctputil.h>
49 #include <netinet/sctp_indata.h>
50 #include <netinet/sctp_timer.h>
51 #include <netinet/sctp_auth.h>
52 #include <netinet/sctp_bsd_addr.h>
53 #include <netinet/udp.h>
54
55
56
57 extern struct sctp_cc_functions sctp_cc_functions[];
58 extern struct sctp_ss_functions sctp_ss_functions[];
59
60 void
sctp_init(void)61 sctp_init(void)
62 {
63 u_long sb_max_adj;
64
65 /* Initialize and modify the sysctled variables */
66 sctp_init_sysctls();
67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8);
69 /*
70 * Allow a user to take no more than 1/2 the number of clusters or
71 * the SB_MAX whichever is smaller for the send window.
72 */
73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES));
74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj,
75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT));
76 /*
77 * Now for the recv window, should we take the same amount? or
78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For
79 * now I will just copy.
80 */
81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace);
82 SCTP_BASE_VAR(first_time) = 0;
83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0;
84 sctp_pcb_init();
85 #if defined(SCTP_PACKET_LOGGING)
86 SCTP_BASE_VAR(packet_log_writers) = 0;
87 SCTP_BASE_VAR(packet_log_end) = 0;
88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE);
89 #endif
90 }
91
92 void
sctp_finish(void)93 sctp_finish(void)
94 {
95 sctp_pcb_finish();
96 }
97
98
99
100 void
sctp_pathmtu_adjustment(struct sctp_tcb * stcb,uint16_t nxtsz)101 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz)
102 {
103 struct sctp_tmit_chunk *chk;
104 uint16_t overhead;
105
106 /* Adjust that too */
107 stcb->asoc.smallest_mtu = nxtsz;
108 /* now off to subtract IP_DF flag if needed */
109 overhead = IP_HDR_SIZE;
110 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) {
111 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id);
112 }
113 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) {
114 if ((chk->send_size + overhead) > nxtsz) {
115 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
116 }
117 }
118 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) {
119 if ((chk->send_size + overhead) > nxtsz) {
120 /*
121 * For this guy we also mark for immediate resend
122 * since we sent to big of chunk
123 */
124 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
125 if (chk->sent < SCTP_DATAGRAM_RESEND) {
126 sctp_flight_size_decrease(chk);
127 sctp_total_flight_decrease(stcb, chk);
128 chk->sent = SCTP_DATAGRAM_RESEND;
129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
130 chk->rec.data.doing_fast_retransmit = 0;
131 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) {
132 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
133 chk->whoTo->flight_size,
134 chk->book_size,
135 (uintptr_t) chk->whoTo,
136 chk->rec.data.TSN_seq);
137 }
138 /* Clear any time so NO RTT is being done */
139 chk->do_rtt = 0;
140 }
141 }
142 }
143 }
144
145 #ifdef INET
146 static void
sctp_notify_mbuf(struct sctp_inpcb * inp,struct sctp_tcb * stcb,struct sctp_nets * net,struct ip * ip,struct sctphdr * sh)147 sctp_notify_mbuf(struct sctp_inpcb *inp,
148 struct sctp_tcb *stcb,
149 struct sctp_nets *net,
150 struct ip *ip,
151 struct sctphdr *sh)
152 {
153 struct icmp *icmph;
154 int totsz, tmr_stopped = 0;
155 uint16_t nxtsz;
156
157 /* protection */
158 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
159 (ip == NULL) || (sh == NULL)) {
160 if (stcb != NULL) {
161 SCTP_TCB_UNLOCK(stcb);
162 }
163 return;
164 }
165 /* First job is to verify the vtag matches what I would send */
166 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
167 SCTP_TCB_UNLOCK(stcb);
168 return;
169 }
170 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
171 sizeof(struct ip)));
172 if (icmph->icmp_type != ICMP_UNREACH) {
173 /* We only care about unreachable */
174 SCTP_TCB_UNLOCK(stcb);
175 return;
176 }
177 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) {
178 /* not a unreachable message due to frag. */
179 SCTP_TCB_UNLOCK(stcb);
180 return;
181 }
182 totsz = ntohs(ip->ip_len);
183
184 nxtsz = ntohs(icmph->icmp_nextmtu);
185 if (nxtsz == 0) {
186 /*
187 * old type router that does not tell us what the next size
188 * mtu is. Rats we will have to guess (in a educated fashion
189 * of course)
190 */
191 nxtsz = sctp_get_prev_mtu(totsz);
192 }
193 /* Stop any PMTU timer */
194 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
195 tmr_stopped = 1;
196 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
197 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1);
198 }
199 /* Adjust destination size limit */
200 if (net->mtu > nxtsz) {
201 net->mtu = nxtsz;
202 if (net->port) {
203 net->mtu -= sizeof(struct udphdr);
204 }
205 }
206 /* now what about the ep? */
207 if (stcb->asoc.smallest_mtu > nxtsz) {
208 sctp_pathmtu_adjustment(stcb, nxtsz);
209 }
210 if (tmr_stopped)
211 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
212
213 SCTP_TCB_UNLOCK(stcb);
214 }
215
216 void
sctp_notify(struct sctp_inpcb * inp,struct ip * ip,struct sctphdr * sh,struct sockaddr * to,struct sctp_tcb * stcb,struct sctp_nets * net)217 sctp_notify(struct sctp_inpcb *inp,
218 struct ip *ip,
219 struct sctphdr *sh,
220 struct sockaddr *to,
221 struct sctp_tcb *stcb,
222 struct sctp_nets *net)
223 {
224 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
225 struct socket *so;
226
227 #endif
228 struct icmp *icmph;
229
230 /* protection */
231 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
232 (sh == NULL) || (to == NULL)) {
233 if (stcb)
234 SCTP_TCB_UNLOCK(stcb);
235 return;
236 }
237 /* First job is to verify the vtag matches what I would send */
238 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
239 SCTP_TCB_UNLOCK(stcb);
240 return;
241 }
242 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
243 sizeof(struct ip)));
244 if (icmph->icmp_type != ICMP_UNREACH) {
245 /* We only care about unreachable */
246 SCTP_TCB_UNLOCK(stcb);
247 return;
248 }
249 if ((icmph->icmp_code == ICMP_UNREACH_NET) ||
250 (icmph->icmp_code == ICMP_UNREACH_HOST) ||
251 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) ||
252 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) ||
253 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) ||
254 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) ||
255 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) ||
256 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) {
257
258 /*
259 * Hmm reachablity problems we must examine closely. If its
260 * not reachable, we may have lost a network. Or if there is
261 * NO protocol at the other end named SCTP. well we consider
262 * it a OOTB abort.
263 */
264 if (net->dest_state & SCTP_ADDR_REACHABLE) {
265 /* Ok that destination is NOT reachable */
266 net->dest_state &= ~SCTP_ADDR_REACHABLE;
267 net->dest_state &= ~SCTP_ADDR_PF;
268 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN,
269 stcb, 0,
270 (void *)net, SCTP_SO_NOT_LOCKED);
271 }
272 SCTP_TCB_UNLOCK(stcb);
273 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) ||
274 (icmph->icmp_code == ICMP_UNREACH_PORT)) {
275 /*
276 * Here the peer is either playing tricks on us, including
277 * an address that belongs to someone who does not support
278 * SCTP OR was a userland implementation that shutdown and
279 * now is dead. In either case treat it like a OOTB abort
280 * with no TCB
281 */
282 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED);
283 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
284 so = SCTP_INP_SO(inp);
285 atomic_add_int(&stcb->asoc.refcnt, 1);
286 SCTP_TCB_UNLOCK(stcb);
287 SCTP_SOCKET_LOCK(so, 1);
288 SCTP_TCB_LOCK(stcb);
289 atomic_subtract_int(&stcb->asoc.refcnt, 1);
290 #endif
291 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
292 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2);
293 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
294 SCTP_SOCKET_UNLOCK(so, 1);
295 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */
296 #endif
297 /* no need to unlock here, since the TCB is gone */
298 } else {
299 SCTP_TCB_UNLOCK(stcb);
300 }
301 }
302
303 #endif
304
305 #ifdef INET
306 void
sctp_ctlinput(cmd,sa,vip)307 sctp_ctlinput(cmd, sa, vip)
308 int cmd;
309 struct sockaddr *sa;
310 void *vip;
311 {
312 struct ip *ip = vip;
313 struct sctphdr *sh;
314 uint32_t vrf_id;
315
316 /* FIX, for non-bsd is this right? */
317 vrf_id = SCTP_DEFAULT_VRFID;
318 if (sa->sa_family != AF_INET ||
319 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) {
320 return;
321 }
322 if (PRC_IS_REDIRECT(cmd)) {
323 ip = 0;
324 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) {
325 return;
326 }
327 if (ip) {
328 struct sctp_inpcb *inp = NULL;
329 struct sctp_tcb *stcb = NULL;
330 struct sctp_nets *net = NULL;
331 struct sockaddr_in to, from;
332
333 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));
334 bzero(&to, sizeof(to));
335 bzero(&from, sizeof(from));
336 from.sin_family = to.sin_family = AF_INET;
337 from.sin_len = to.sin_len = sizeof(to);
338 from.sin_port = sh->src_port;
339 from.sin_addr = ip->ip_src;
340 to.sin_port = sh->dest_port;
341 to.sin_addr = ip->ip_dst;
342
343 /*
344 * 'to' holds the dest of the packet that failed to be sent.
345 * 'from' holds our local endpoint address. Thus we reverse
346 * the to and the from in the lookup.
347 */
348 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to,
349 (struct sockaddr *)&from,
350 &inp, &net, 1, vrf_id);
351 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) {
352 if (cmd != PRC_MSGSIZE) {
353 sctp_notify(inp, ip, sh,
354 (struct sockaddr *)&to, stcb,
355 net);
356 } else {
357 /* handle possible ICMP size messages */
358 sctp_notify_mbuf(inp, stcb, net, ip, sh);
359 }
360 } else {
361 if ((stcb == NULL) && (inp != NULL)) {
362 /* reduce ref-count */
363 SCTP_INP_WLOCK(inp);
364 SCTP_INP_DECR_REF(inp);
365 SCTP_INP_WUNLOCK(inp);
366 }
367 if (stcb) {
368 SCTP_TCB_UNLOCK(stcb);
369 }
370 }
371 }
372 return;
373 }
374
375 #endif
376
377 static int
sctp_getcred(SYSCTL_HANDLER_ARGS)378 sctp_getcred(SYSCTL_HANDLER_ARGS)
379 {
380 struct xucred xuc;
381 struct sockaddr_in addrs[2];
382 struct sctp_inpcb *inp;
383 struct sctp_nets *net;
384 struct sctp_tcb *stcb;
385 int error;
386 uint32_t vrf_id;
387
388 /* FIX, for non-bsd is this right? */
389 vrf_id = SCTP_DEFAULT_VRFID;
390
391 error = priv_check(req->td, PRIV_NETINET_GETCRED);
392
393 if (error)
394 return (error);
395
396 error = SYSCTL_IN(req, addrs, sizeof(addrs));
397 if (error)
398 return (error);
399
400 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]),
401 sintosa(&addrs[0]),
402 &inp, &net, 1, vrf_id);
403 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
404 if ((inp != NULL) && (stcb == NULL)) {
405 /* reduce ref-count */
406 SCTP_INP_WLOCK(inp);
407 SCTP_INP_DECR_REF(inp);
408 goto cred_can_cont;
409 }
410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
411 error = ENOENT;
412 goto out;
413 }
414 SCTP_TCB_UNLOCK(stcb);
415 /*
416 * We use the write lock here, only since in the error leg we need
417 * it. If we used RLOCK, then we would have to
418 * wlock/decr/unlock/rlock. Which in theory could create a hole.
419 * Better to use higher wlock.
420 */
421 SCTP_INP_WLOCK(inp);
422 cred_can_cont:
423 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket);
424 if (error) {
425 SCTP_INP_WUNLOCK(inp);
426 goto out;
427 }
428 cru2x(inp->sctp_socket->so_cred, &xuc);
429 SCTP_INP_WUNLOCK(inp);
430 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred));
431 out:
432 return (error);
433 }
434
435 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW,
436 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection");
437
438
439 #ifdef INET
440 static void
sctp_abort(struct socket * so)441 sctp_abort(struct socket *so)
442 {
443 struct sctp_inpcb *inp;
444 uint32_t flags;
445
446 inp = (struct sctp_inpcb *)so->so_pcb;
447 if (inp == NULL) {
448 return;
449 }
450 sctp_must_try_again:
451 flags = inp->sctp_flags;
452 #ifdef SCTP_LOG_CLOSING
453 sctp_log_closing(inp, NULL, 17);
454 #endif
455 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
456 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
457 #ifdef SCTP_LOG_CLOSING
458 sctp_log_closing(inp, NULL, 16);
459 #endif
460 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
461 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
462 SOCK_LOCK(so);
463 SCTP_SB_CLEAR(so->so_snd);
464 /*
465 * same for the rcv ones, they are only here for the
466 * accounting/select.
467 */
468 SCTP_SB_CLEAR(so->so_rcv);
469
470 /* Now null out the reference, we are completely detached. */
471 so->so_pcb = NULL;
472 SOCK_UNLOCK(so);
473 } else {
474 flags = inp->sctp_flags;
475 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
476 goto sctp_must_try_again;
477 }
478 }
479 return;
480 }
481
482 static int
sctp_attach(struct socket * so,int proto SCTP_UNUSED,struct thread * p SCTP_UNUSED)483 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED)
484 {
485 struct sctp_inpcb *inp;
486 struct inpcb *ip_inp;
487 int error;
488 uint32_t vrf_id = SCTP_DEFAULT_VRFID;
489
490 #ifdef IPSEC
491 uint32_t flags;
492
493 #endif
494
495 inp = (struct sctp_inpcb *)so->so_pcb;
496 if (inp != 0) {
497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
498 return (EINVAL);
499 }
500 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
501 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace));
502 if (error) {
503 return (error);
504 }
505 }
506 error = sctp_inpcb_alloc(so, vrf_id);
507 if (error) {
508 return (error);
509 }
510 inp = (struct sctp_inpcb *)so->so_pcb;
511 SCTP_INP_WLOCK(inp);
512 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */
513 ip_inp = &inp->ip_inp.inp;
514 ip_inp->inp_vflag |= INP_IPV4;
515 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl);
516 #ifdef IPSEC
517 error = ipsec_init_policy(so, &ip_inp->inp_sp);
518 #ifdef SCTP_LOG_CLOSING
519 sctp_log_closing(inp, NULL, 17);
520 #endif
521 if (error != 0) {
522 try_again:
523 flags = inp->sctp_flags;
524 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
525 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
526 #ifdef SCTP_LOG_CLOSING
527 sctp_log_closing(inp, NULL, 15);
528 #endif
529 SCTP_INP_WUNLOCK(inp);
530 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
531 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
532 } else {
533 flags = inp->sctp_flags;
534 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
535 goto try_again;
536 } else {
537 SCTP_INP_WUNLOCK(inp);
538 }
539 }
540 return (error);
541 }
542 #endif /* IPSEC */
543 SCTP_INP_WUNLOCK(inp);
544 return (0);
545 }
546
547 static int
sctp_bind(struct socket * so,struct sockaddr * addr,struct thread * p)548 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p)
549 {
550 struct sctp_inpcb *inp;
551
552 inp = (struct sctp_inpcb *)so->so_pcb;
553 if (inp == NULL) {
554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
555 return (EINVAL);
556 }
557 if (addr != NULL) {
558 if ((addr->sa_family != AF_INET) ||
559 (addr->sa_len != sizeof(struct sockaddr_in))) {
560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
561 return (EINVAL);
562 }
563 }
564 return (sctp_inpcb_bind(so, addr, NULL, p));
565 }
566
567 #endif
568 void
sctp_close(struct socket * so)569 sctp_close(struct socket *so)
570 {
571 struct sctp_inpcb *inp;
572 uint32_t flags;
573
574 inp = (struct sctp_inpcb *)so->so_pcb;
575 if (inp == NULL)
576 return;
577
578 /*
579 * Inform all the lower layer assoc that we are done.
580 */
581 sctp_must_try_again:
582 flags = inp->sctp_flags;
583 #ifdef SCTP_LOG_CLOSING
584 sctp_log_closing(inp, NULL, 17);
585 #endif
586 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
587 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
588 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
589 (so->so_rcv.sb_cc > 0)) {
590 #ifdef SCTP_LOG_CLOSING
591 sctp_log_closing(inp, NULL, 13);
592 #endif
593 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
594 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
595 } else {
596 #ifdef SCTP_LOG_CLOSING
597 sctp_log_closing(inp, NULL, 14);
598 #endif
599 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,
600 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
601 }
602 /*
603 * The socket is now detached, no matter what the state of
604 * the SCTP association.
605 */
606 SOCK_LOCK(so);
607 SCTP_SB_CLEAR(so->so_snd);
608 /*
609 * same for the rcv ones, they are only here for the
610 * accounting/select.
611 */
612 SCTP_SB_CLEAR(so->so_rcv);
613
614 /* Now null out the reference, we are completely detached. */
615 so->so_pcb = NULL;
616 SOCK_UNLOCK(so);
617 } else {
618 flags = inp->sctp_flags;
619 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
620 goto sctp_must_try_again;
621 }
622 }
623 return;
624 }
625
626
627 int
628 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
629 struct mbuf *control, struct thread *p);
630
631
632 int
sctp_sendm(struct socket * so,int flags,struct mbuf * m,struct sockaddr * addr,struct mbuf * control,struct thread * p)633 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
634 struct mbuf *control, struct thread *p)
635 {
636 struct sctp_inpcb *inp;
637 int error;
638
639 inp = (struct sctp_inpcb *)so->so_pcb;
640 if (inp == NULL) {
641 if (control) {
642 sctp_m_freem(control);
643 control = NULL;
644 }
645 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
646 sctp_m_freem(m);
647 return (EINVAL);
648 }
649 /* Got to have an to address if we are NOT a connected socket */
650 if ((addr == NULL) &&
651 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) ||
652 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) {
653 goto connected_type;
654 } else if (addr == NULL) {
655 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
656 error = EDESTADDRREQ;
657 sctp_m_freem(m);
658 if (control) {
659 sctp_m_freem(control);
660 control = NULL;
661 }
662 return (error);
663 }
664 #ifdef INET6
665 if (addr->sa_family != AF_INET) {
666 /* must be a v4 address! */
667 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
668 sctp_m_freem(m);
669 if (control) {
670 sctp_m_freem(control);
671 control = NULL;
672 }
673 error = EDESTADDRREQ;
674 return (error);
675 }
676 #endif /* INET6 */
677 connected_type:
678 /* now what about control */
679 if (control) {
680 if (inp->control) {
681 SCTP_PRINTF("huh? control set?\n");
682 sctp_m_freem(inp->control);
683 inp->control = NULL;
684 }
685 inp->control = control;
686 }
687 /* Place the data */
688 if (inp->pkt) {
689 SCTP_BUF_NEXT(inp->pkt_last) = m;
690 inp->pkt_last = m;
691 } else {
692 inp->pkt_last = inp->pkt = m;
693 }
694 if (
695 /* FreeBSD uses a flag passed */
696 ((flags & PRUS_MORETOCOME) == 0)
697 ) {
698 /*
699 * note with the current version this code will only be used
700 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for
701 * re-defining sosend to use the sctp_sosend. One can
702 * optionally switch back to this code (by changing back the
703 * definitions) but this is not advisable. This code is used
704 * by FreeBSD when sending a file with sendfile() though.
705 */
706 int ret;
707
708 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
709 inp->pkt = NULL;
710 inp->control = NULL;
711 return (ret);
712 } else {
713 return (0);
714 }
715 }
716
717 int
sctp_disconnect(struct socket * so)718 sctp_disconnect(struct socket *so)
719 {
720 struct sctp_inpcb *inp;
721
722 inp = (struct sctp_inpcb *)so->so_pcb;
723 if (inp == NULL) {
724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
725 return (ENOTCONN);
726 }
727 SCTP_INP_RLOCK(inp);
728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
729 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
730 if (LIST_EMPTY(&inp->sctp_asoc_list)) {
731 /* No connection */
732 SCTP_INP_RUNLOCK(inp);
733 return (0);
734 } else {
735 struct sctp_association *asoc;
736 struct sctp_tcb *stcb;
737
738 stcb = LIST_FIRST(&inp->sctp_asoc_list);
739 if (stcb == NULL) {
740 SCTP_INP_RUNLOCK(inp);
741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
742 return (EINVAL);
743 }
744 SCTP_TCB_LOCK(stcb);
745 asoc = &stcb->asoc;
746 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
747 /* We are about to be freed, out of here */
748 SCTP_TCB_UNLOCK(stcb);
749 SCTP_INP_RUNLOCK(inp);
750 return (0);
751 }
752 if (((so->so_options & SO_LINGER) &&
753 (so->so_linger == 0)) ||
754 (so->so_rcv.sb_cc > 0)) {
755 if (SCTP_GET_STATE(asoc) !=
756 SCTP_STATE_COOKIE_WAIT) {
757 /* Left with Data unread */
758 struct mbuf *err;
759
760 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA);
761 if (err) {
762 /*
763 * Fill in the user
764 * initiated abort
765 */
766 struct sctp_paramhdr *ph;
767
768 ph = mtod(err, struct sctp_paramhdr *);
769 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr);
770 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
771 ph->param_length = htons(SCTP_BUF_LEN(err));
772 }
773 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED);
774 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
775 }
776 SCTP_INP_RUNLOCK(inp);
777 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
778 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
779 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
780 }
781 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
782 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3);
783 /* No unlock tcb assoc is gone */
784 return (0);
785 }
786 if (TAILQ_EMPTY(&asoc->send_queue) &&
787 TAILQ_EMPTY(&asoc->sent_queue) &&
788 (asoc->stream_queue_cnt == 0)) {
789 /* there is nothing queued to send, so done */
790 if (asoc->locked_on_sending) {
791 goto abort_anyway;
792 }
793 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&
794 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {
795 /* only send SHUTDOWN 1st time thru */
796 struct sctp_nets *netp;
797
798 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
799 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
800 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
801 }
802 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
803 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
804 sctp_stop_timers_for_shutdown(stcb);
805 if (stcb->asoc.alternate) {
806 netp = stcb->asoc.alternate;
807 } else {
808 netp = stcb->asoc.primary_destination;
809 }
810 sctp_send_shutdown(stcb, netp);
811 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
812 stcb->sctp_ep, stcb, netp);
813 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
814 stcb->sctp_ep, stcb, netp);
815 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
816 }
817 } else {
818 /*
819 * we still got (or just got) data to send,
820 * so set SHUTDOWN_PENDING
821 */
822 /*
823 * XXX sockets draft says that SCTP_EOF
824 * should be sent with no data. currently,
825 * we will allow user data to be sent first
826 * and move to SHUTDOWN-PENDING
827 */
828 struct sctp_nets *netp;
829
830 if (stcb->asoc.alternate) {
831 netp = stcb->asoc.alternate;
832 } else {
833 netp = stcb->asoc.primary_destination;
834 }
835
836 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
837 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
838 netp);
839 if (asoc->locked_on_sending) {
840 /* Locked to send out the data */
841 struct sctp_stream_queue_pending *sp;
842
843 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
844 if (sp == NULL) {
845 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
846 asoc->locked_on_sending->stream_no);
847 } else {
848 if ((sp->length == 0) && (sp->msg_is_complete == 0))
849 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
850 }
851 }
852 if (TAILQ_EMPTY(&asoc->send_queue) &&
853 TAILQ_EMPTY(&asoc->sent_queue) &&
854 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
855 struct mbuf *op_err;
856
857 abort_anyway:
858 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
859 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4;
860 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
861 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
862 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
863 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
864 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
865 }
866 SCTP_INP_RUNLOCK(inp);
867 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
868 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5);
869 return (0);
870 } else {
871 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
872 }
873 }
874 soisdisconnecting(so);
875 SCTP_TCB_UNLOCK(stcb);
876 SCTP_INP_RUNLOCK(inp);
877 return (0);
878 }
879 /* not reached */
880 } else {
881 /* UDP model does not support this */
882 SCTP_INP_RUNLOCK(inp);
883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
884 return (EOPNOTSUPP);
885 }
886 }
887
888 int
sctp_flush(struct socket * so,int how)889 sctp_flush(struct socket *so, int how)
890 {
891 /*
892 * We will just clear out the values and let subsequent close clear
893 * out the data, if any. Note if the user did a shutdown(SHUT_RD)
894 * they will not be able to read the data, the socket will block
895 * that from happening.
896 */
897 struct sctp_inpcb *inp;
898
899 inp = (struct sctp_inpcb *)so->so_pcb;
900 if (inp == NULL) {
901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
902 return (EINVAL);
903 }
904 SCTP_INP_RLOCK(inp);
905 /* For the 1 to many model this does nothing */
906 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
907 SCTP_INP_RUNLOCK(inp);
908 return (0);
909 }
910 SCTP_INP_RUNLOCK(inp);
911 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) {
912 /*
913 * First make sure the sb will be happy, we don't use these
914 * except maybe the count
915 */
916 SCTP_INP_WLOCK(inp);
917 SCTP_INP_READ_LOCK(inp);
918 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ;
919 SCTP_INP_READ_UNLOCK(inp);
920 SCTP_INP_WUNLOCK(inp);
921 so->so_rcv.sb_cc = 0;
922 so->so_rcv.sb_mbcnt = 0;
923 so->so_rcv.sb_mb = NULL;
924 }
925 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) {
926 /*
927 * First make sure the sb will be happy, we don't use these
928 * except maybe the count
929 */
930 so->so_snd.sb_cc = 0;
931 so->so_snd.sb_mbcnt = 0;
932 so->so_snd.sb_mb = NULL;
933
934 }
935 return (0);
936 }
937
938 int
sctp_shutdown(struct socket * so)939 sctp_shutdown(struct socket *so)
940 {
941 struct sctp_inpcb *inp;
942
943 inp = (struct sctp_inpcb *)so->so_pcb;
944 if (inp == NULL) {
945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
946 return (EINVAL);
947 }
948 SCTP_INP_RLOCK(inp);
949 /* For UDP model this is a invalid call */
950 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
951 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) {
952 /* Restore the flags that the soshutdown took away. */
953 SOCKBUF_LOCK(&so->so_rcv);
954 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
955 SOCKBUF_UNLOCK(&so->so_rcv);
956 /* This proc will wakeup for read and do nothing (I hope) */
957 SCTP_INP_RUNLOCK(inp);
958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
959 return (EOPNOTSUPP);
960 }
961 /*
962 * Ok if we reach here its the TCP model and it is either a SHUT_WR
963 * or SHUT_RDWR. This means we put the shutdown flag against it.
964 */
965 {
966 struct sctp_tcb *stcb;
967 struct sctp_association *asoc;
968
969 if ((so->so_state &
970 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) {
971 SCTP_INP_RUNLOCK(inp);
972 return (ENOTCONN);
973 }
974 socantsendmore(so);
975
976 stcb = LIST_FIRST(&inp->sctp_asoc_list);
977 if (stcb == NULL) {
978 /*
979 * Ok we hit the case that the shutdown call was
980 * made after an abort or something. Nothing to do
981 * now.
982 */
983 SCTP_INP_RUNLOCK(inp);
984 return (0);
985 }
986 SCTP_TCB_LOCK(stcb);
987 asoc = &stcb->asoc;
988 if (TAILQ_EMPTY(&asoc->send_queue) &&
989 TAILQ_EMPTY(&asoc->sent_queue) &&
990 (asoc->stream_queue_cnt == 0)) {
991 if (asoc->locked_on_sending) {
992 goto abort_anyway;
993 }
994 /* there is nothing queued to send, so I'm done... */
995 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) {
996 /* only send SHUTDOWN the first time through */
997 struct sctp_nets *netp;
998
999 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
1000 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
1001 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
1002 }
1003 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
1004 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
1005 sctp_stop_timers_for_shutdown(stcb);
1006 if (stcb->asoc.alternate) {
1007 netp = stcb->asoc.alternate;
1008 } else {
1009 netp = stcb->asoc.primary_destination;
1010 }
1011 sctp_send_shutdown(stcb, netp);
1012 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
1013 stcb->sctp_ep, stcb, netp);
1014 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
1015 stcb->sctp_ep, stcb, netp);
1016 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
1017 }
1018 } else {
1019 /*
1020 * we still got (or just got) data to send, so set
1021 * SHUTDOWN_PENDING
1022 */
1023 struct sctp_nets *netp;
1024
1025 if (stcb->asoc.alternate) {
1026 netp = stcb->asoc.alternate;
1027 } else {
1028 netp = stcb->asoc.primary_destination;
1029 }
1030
1031 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
1032 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
1033 netp);
1034
1035 if (asoc->locked_on_sending) {
1036 /* Locked to send out the data */
1037 struct sctp_stream_queue_pending *sp;
1038
1039 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
1040 if (sp == NULL) {
1041 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
1042 asoc->locked_on_sending->stream_no);
1043 } else {
1044 if ((sp->length == 0) && (sp->msg_is_complete == 0)) {
1045 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
1046 }
1047 }
1048 }
1049 if (TAILQ_EMPTY(&asoc->send_queue) &&
1050 TAILQ_EMPTY(&asoc->sent_queue) &&
1051 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
1052 struct mbuf *op_err;
1053
1054 abort_anyway:
1055 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
1056 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6;
1057 sctp_abort_an_association(stcb->sctp_ep, stcb,
1058 op_err, SCTP_SO_LOCKED);
1059 goto skip_unlock;
1060 } else {
1061 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
1062 }
1063 }
1064 SCTP_TCB_UNLOCK(stcb);
1065 }
1066 skip_unlock:
1067 SCTP_INP_RUNLOCK(inp);
1068 return (0);
1069 }
1070
1071 /*
1072 * copies a "user" presentable address and removes embedded scope, etc.
1073 * returns 0 on success, 1 on error
1074 */
1075 static uint32_t
sctp_fill_user_address(struct sockaddr_storage * ss,struct sockaddr * sa)1076 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa)
1077 {
1078 #ifdef INET6
1079 struct sockaddr_in6 lsa6;
1080
1081 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa,
1082 &lsa6);
1083 #endif
1084 memcpy(ss, sa, sa->sa_len);
1085 return (0);
1086 }
1087
1088
1089
1090 /*
1091 * NOTE: assumes addr lock is held
1092 */
1093 static size_t
sctp_fill_up_addresses_vrf(struct sctp_inpcb * inp,struct sctp_tcb * stcb,size_t limit,struct sockaddr_storage * sas,uint32_t vrf_id)1094 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp,
1095 struct sctp_tcb *stcb,
1096 size_t limit,
1097 struct sockaddr_storage *sas,
1098 uint32_t vrf_id)
1099 {
1100 struct sctp_ifn *sctp_ifn;
1101 struct sctp_ifa *sctp_ifa;
1102 size_t actual;
1103 int loopback_scope;
1104
1105 #if defined(INET)
1106 int ipv4_local_scope, ipv4_addr_legal;
1107
1108 #endif
1109 #if defined(INET6)
1110 int local_scope, site_scope, ipv6_addr_legal;
1111
1112 #endif
1113 struct sctp_vrf *vrf;
1114
1115 actual = 0;
1116 if (limit <= 0)
1117 return (actual);
1118
1119 if (stcb) {
1120 /* Turn on all the appropriate scope */
1121 loopback_scope = stcb->asoc.scope.loopback_scope;
1122 #if defined(INET)
1123 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
1124 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
1125 #endif
1126 #if defined(INET6)
1127 local_scope = stcb->asoc.scope.local_scope;
1128 site_scope = stcb->asoc.scope.site_scope;
1129 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
1130 #endif
1131 } else {
1132 /* Use generic values for endpoints. */
1133 loopback_scope = 1;
1134 #if defined(INET)
1135 ipv4_local_scope = 1;
1136 #endif
1137 #if defined(INET6)
1138 local_scope = 1;
1139 site_scope = 1;
1140 #endif
1141 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
1142 #if defined(INET6)
1143 ipv6_addr_legal = 1;
1144 #endif
1145 #if defined(INET)
1146 if (SCTP_IPV6_V6ONLY(inp)) {
1147 ipv4_addr_legal = 0;
1148 } else {
1149 ipv4_addr_legal = 1;
1150 }
1151 #endif
1152 } else {
1153 #if defined(INET6)
1154 ipv6_addr_legal = 0;
1155 #endif
1156 #if defined(INET)
1157 ipv4_addr_legal = 1;
1158 #endif
1159 }
1160 }
1161 vrf = sctp_find_vrf(vrf_id);
1162 if (vrf == NULL) {
1163 return (0);
1164 }
1165 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1166 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1167 if ((loopback_scope == 0) &&
1168 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {
1169 /* Skip loopback if loopback_scope not set */
1170 continue;
1171 }
1172 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1173 if (stcb) {
1174 /*
1175 * For the BOUND-ALL case, the list
1176 * associated with a TCB is Always
1177 * considered a reverse list.. i.e.
1178 * it lists addresses that are NOT
1179 * part of the association. If this
1180 * is one of those we must skip it.
1181 */
1182 if (sctp_is_addr_restricted(stcb,
1183 sctp_ifa)) {
1184 continue;
1185 }
1186 }
1187 switch (sctp_ifa->address.sa.sa_family) {
1188 #ifdef INET
1189 case AF_INET:
1190 if (ipv4_addr_legal) {
1191 struct sockaddr_in *sin;
1192
1193 sin = &sctp_ifa->address.sin;
1194 if (sin->sin_addr.s_addr == 0) {
1195 /*
1196 * we skip
1197 * unspecifed
1198 * addresses
1199 */
1200 continue;
1201 }
1202 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
1203 &sin->sin_addr) != 0) {
1204 continue;
1205 }
1206 if ((ipv4_local_scope == 0) &&
1207 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
1208 continue;
1209 }
1210 #ifdef INET6
1211 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
1212 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas);
1213 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1214 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6));
1215 actual += sizeof(struct sockaddr_in6);
1216 } else {
1217 #endif
1218 memcpy(sas, sin, sizeof(*sin));
1219 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1220 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin));
1221 actual += sizeof(*sin);
1222 #ifdef INET6
1223 }
1224 #endif
1225 if (actual >= limit) {
1226 return (actual);
1227 }
1228 } else {
1229 continue;
1230 }
1231 break;
1232 #endif
1233 #ifdef INET6
1234 case AF_INET6:
1235 if (ipv6_addr_legal) {
1236 struct sockaddr_in6 *sin6;
1237
1238 sin6 = &sctp_ifa->address.sin6;
1239 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
1240 /*
1241 * we skip
1242 * unspecifed
1243 * addresses
1244 */
1245 continue;
1246 }
1247 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
1248 &sin6->sin6_addr) != 0) {
1249 continue;
1250 }
1251 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
1252 if (local_scope == 0)
1253 continue;
1254 if (sin6->sin6_scope_id == 0) {
1255 if (sa6_recoverscope(sin6) != 0)
1256 /*
1257 *
1258 * bad
1259 *
1260 * li
1261 * nk
1262 *
1263 * loc
1264 * al
1265 *
1266 * add
1267 * re
1268 * ss
1269 * */
1270 continue;
1271 }
1272 }
1273 if ((site_scope == 0) &&
1274 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {
1275 continue;
1276 }
1277 memcpy(sas, sin6, sizeof(*sin6));
1278 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1279 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6));
1280 actual += sizeof(*sin6);
1281 if (actual >= limit) {
1282 return (actual);
1283 }
1284 } else {
1285 continue;
1286 }
1287 break;
1288 #endif
1289 default:
1290 /* TSNH */
1291 break;
1292 }
1293 }
1294 }
1295 } else {
1296 struct sctp_laddr *laddr;
1297
1298 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1299 if (stcb) {
1300 if (sctp_is_addr_restricted(stcb, laddr->ifa)) {
1301 continue;
1302 }
1303 }
1304 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa))
1305 continue;
1306 switch (laddr->ifa->address.sa.sa_family) {
1307 #ifdef INET
1308 case AF_INET:
1309 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1310 break;
1311 #endif
1312 #ifdef INET6
1313 case AF_INET6:
1314 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1315 break;
1316 #endif
1317 default:
1318 /* TSNH */
1319 break;
1320 }
1321 sas = (struct sockaddr_storage *)((caddr_t)sas +
1322 laddr->ifa->address.sa.sa_len);
1323 actual += laddr->ifa->address.sa.sa_len;
1324 if (actual >= limit) {
1325 return (actual);
1326 }
1327 }
1328 }
1329 return (actual);
1330 }
1331
1332 static size_t
sctp_fill_up_addresses(struct sctp_inpcb * inp,struct sctp_tcb * stcb,size_t limit,struct sockaddr_storage * sas)1333 sctp_fill_up_addresses(struct sctp_inpcb *inp,
1334 struct sctp_tcb *stcb,
1335 size_t limit,
1336 struct sockaddr_storage *sas)
1337 {
1338 size_t size = 0;
1339
1340 SCTP_IPI_ADDR_RLOCK();
1341 /* fill up addresses for the endpoint's default vrf */
1342 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
1343 inp->def_vrf_id);
1344 SCTP_IPI_ADDR_RUNLOCK();
1345 return (size);
1346 }
1347
1348 /*
1349 * NOTE: assumes addr lock is held
1350 */
1351 static int
sctp_count_max_addresses_vrf(struct sctp_inpcb * inp,uint32_t vrf_id)1352 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id)
1353 {
1354 int cnt = 0;
1355 struct sctp_vrf *vrf = NULL;
1356
1357 /*
1358 * In both sub-set bound an bound_all cases we return the MAXIMUM
1359 * number of addresses that you COULD get. In reality the sub-set
1360 * bound may have an exclusion list for a given TCB OR in the
1361 * bound-all case a TCB may NOT include the loopback or other
1362 * addresses as well.
1363 */
1364 vrf = sctp_find_vrf(vrf_id);
1365 if (vrf == NULL) {
1366 return (0);
1367 }
1368 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1369 struct sctp_ifn *sctp_ifn;
1370 struct sctp_ifa *sctp_ifa;
1371
1372 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1373 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1374 /* Count them if they are the right type */
1375 switch (sctp_ifa->address.sa.sa_family) {
1376 #ifdef INET
1377 case AF_INET:
1378 #ifdef INET6
1379 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1380 cnt += sizeof(struct sockaddr_in6);
1381 else
1382 cnt += sizeof(struct sockaddr_in);
1383 #else
1384 cnt += sizeof(struct sockaddr_in);
1385 #endif
1386 break;
1387 #endif
1388 #ifdef INET6
1389 case AF_INET6:
1390 cnt += sizeof(struct sockaddr_in6);
1391 break;
1392 #endif
1393 default:
1394 break;
1395 }
1396 }
1397 }
1398 } else {
1399 struct sctp_laddr *laddr;
1400
1401 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1402 switch (laddr->ifa->address.sa.sa_family) {
1403 #ifdef INET
1404 case AF_INET:
1405 #ifdef INET6
1406 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1407 cnt += sizeof(struct sockaddr_in6);
1408 else
1409 cnt += sizeof(struct sockaddr_in);
1410 #else
1411 cnt += sizeof(struct sockaddr_in);
1412 #endif
1413 break;
1414 #endif
1415 #ifdef INET6
1416 case AF_INET6:
1417 cnt += sizeof(struct sockaddr_in6);
1418 break;
1419 #endif
1420 default:
1421 break;
1422 }
1423 }
1424 }
1425 return (cnt);
1426 }
1427
1428 static int
sctp_count_max_addresses(struct sctp_inpcb * inp)1429 sctp_count_max_addresses(struct sctp_inpcb *inp)
1430 {
1431 int cnt = 0;
1432
1433 SCTP_IPI_ADDR_RLOCK();
1434 /* count addresses for the endpoint's default VRF */
1435 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id);
1436 SCTP_IPI_ADDR_RUNLOCK();
1437 return (cnt);
1438 }
1439
1440 static int
sctp_do_connect_x(struct socket * so,struct sctp_inpcb * inp,void * optval,size_t optsize,void * p,int delay)1441 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval,
1442 size_t optsize, void *p, int delay)
1443 {
1444 int error = 0;
1445 int creat_lock_on = 0;
1446 struct sctp_tcb *stcb = NULL;
1447 struct sockaddr *sa;
1448 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr;
1449 uint32_t vrf_id;
1450 int bad_addresses = 0;
1451 sctp_assoc_t *a_id;
1452
1453 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n");
1454
1455 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
1456 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
1457 /* We are already connected AND the TCP model */
1458 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
1459 return (EADDRINUSE);
1460 }
1461 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
1462 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
1463 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1464 return (EINVAL);
1465 }
1466 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
1467 SCTP_INP_RLOCK(inp);
1468 stcb = LIST_FIRST(&inp->sctp_asoc_list);
1469 SCTP_INP_RUNLOCK(inp);
1470 }
1471 if (stcb) {
1472 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
1473 return (EALREADY);
1474 }
1475 SCTP_INP_INCR_REF(inp);
1476 SCTP_ASOC_CREATE_LOCK(inp);
1477 creat_lock_on = 1;
1478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
1479 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
1480 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
1481 error = EFAULT;
1482 goto out_now;
1483 }
1484 totaddrp = (int *)optval;
1485 totaddr = *totaddrp;
1486 sa = (struct sockaddr *)(totaddrp + 1);
1487 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses);
1488 if ((stcb != NULL) || bad_addresses) {
1489 /* Already have or am bring up an association */
1490 SCTP_ASOC_CREATE_UNLOCK(inp);
1491 creat_lock_on = 0;
1492 if (stcb)
1493 SCTP_TCB_UNLOCK(stcb);
1494 if (bad_addresses == 0) {
1495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
1496 error = EALREADY;
1497 }
1498 goto out_now;
1499 }
1500 #ifdef INET6
1501 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
1502 (num_v6 > 0)) {
1503 error = EINVAL;
1504 goto out_now;
1505 }
1506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
1507 (num_v4 > 0)) {
1508 struct in6pcb *inp6;
1509
1510 inp6 = (struct in6pcb *)inp;
1511 if (SCTP_IPV6_V6ONLY(inp6)) {
1512 /*
1513 * if IPV6_V6ONLY flag, ignore connections destined
1514 * to a v4 addr or v4-mapped addr
1515 */
1516 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1517 error = EINVAL;
1518 goto out_now;
1519 }
1520 }
1521 #endif /* INET6 */
1522 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
1523 SCTP_PCB_FLAGS_UNBOUND) {
1524 /* Bind a ephemeral port */
1525 error = sctp_inpcb_bind(so, NULL, NULL, p);
1526 if (error) {
1527 goto out_now;
1528 }
1529 }
1530 /* FIX ME: do we want to pass in a vrf on the connect call? */
1531 vrf_id = inp->def_vrf_id;
1532
1533
1534 /* We are GOOD to go */
1535 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id,
1536 (struct thread *)p
1537 );
1538 if (stcb == NULL) {
1539 /* Gak! no memory */
1540 goto out_now;
1541 }
1542 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
1543 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
1544 /* Set the connected flag so we can queue data */
1545 soisconnecting(so);
1546 }
1547 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
1548 /* move to second address */
1549 switch (sa->sa_family) {
1550 #ifdef INET
1551 case AF_INET:
1552 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in));
1553 break;
1554 #endif
1555 #ifdef INET6
1556 case AF_INET6:
1557 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6));
1558 break;
1559 #endif
1560 default:
1561 break;
1562 }
1563
1564 error = 0;
1565 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error);
1566 /* Fill in the return id */
1567 if (error) {
1568 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE,
1569 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7);
1570 goto out_now;
1571 }
1572 a_id = (sctp_assoc_t *) optval;
1573 *a_id = sctp_get_associd(stcb);
1574
1575 /* initialize authentication parameters for the assoc */
1576 sctp_initialize_auth_params(inp, stcb);
1577
1578 if (delay) {
1579 /* doing delayed connection */
1580 stcb->asoc.delayed_connection = 1;
1581 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination);
1582 } else {
1583 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
1584 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
1585 }
1586 SCTP_TCB_UNLOCK(stcb);
1587 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
1588 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
1589 /* Set the connected flag so we can queue data */
1590 soisconnecting(so);
1591 }
1592 out_now:
1593 if (creat_lock_on) {
1594 SCTP_ASOC_CREATE_UNLOCK(inp);
1595 }
1596 SCTP_INP_DECR_REF(inp);
1597 return (error);
1598 }
1599
1600 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \
1601 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\
1602 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \
1603 SCTP_INP_RLOCK(inp); \
1604 stcb = LIST_FIRST(&inp->sctp_asoc_list); \
1605 if (stcb) { \
1606 SCTP_TCB_LOCK(stcb); \
1607 } \
1608 SCTP_INP_RUNLOCK(inp); \
1609 } else if (assoc_id > SCTP_ALL_ASSOC) { \
1610 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \
1611 if (stcb == NULL) { \
1612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \
1613 error = ENOENT; \
1614 break; \
1615 } \
1616 } else { \
1617 stcb = NULL; \
1618 } \
1619 }
1620
1621
1622 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\
1623 if (size < sizeof(type)) { \
1624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \
1625 error = EINVAL; \
1626 break; \
1627 } else { \
1628 destp = (type *)srcp; \
1629 } \
1630 }
1631
1632 static int
sctp_getopt(struct socket * so,int optname,void * optval,size_t * optsize,void * p)1633 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
1634 void *p)
1635 {
1636 struct sctp_inpcb *inp = NULL;
1637 int error, val = 0;
1638 struct sctp_tcb *stcb = NULL;
1639
1640 if (optval == NULL) {
1641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1642 return (EINVAL);
1643 }
1644 inp = (struct sctp_inpcb *)so->so_pcb;
1645 if (inp == NULL) {
1646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1647 return EINVAL;
1648 }
1649 error = 0;
1650
1651 switch (optname) {
1652 case SCTP_NODELAY:
1653 case SCTP_AUTOCLOSE:
1654 case SCTP_EXPLICIT_EOR:
1655 case SCTP_AUTO_ASCONF:
1656 case SCTP_DISABLE_FRAGMENTS:
1657 case SCTP_I_WANT_MAPPED_V4_ADDR:
1658 case SCTP_USE_EXT_RCVINFO:
1659 SCTP_INP_RLOCK(inp);
1660 switch (optname) {
1661 case SCTP_DISABLE_FRAGMENTS:
1662 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT);
1663 break;
1664 case SCTP_I_WANT_MAPPED_V4_ADDR:
1665 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4);
1666 break;
1667 case SCTP_AUTO_ASCONF:
1668 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1669 /* only valid for bound all sockets */
1670 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);
1671 } else {
1672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1673 error = EINVAL;
1674 goto flags_out;
1675 }
1676 break;
1677 case SCTP_EXPLICIT_EOR:
1678 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR);
1679 break;
1680 case SCTP_NODELAY:
1681 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY);
1682 break;
1683 case SCTP_USE_EXT_RCVINFO:
1684 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO);
1685 break;
1686 case SCTP_AUTOCLOSE:
1687 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE))
1688 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time);
1689 else
1690 val = 0;
1691 break;
1692
1693 default:
1694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
1695 error = ENOPROTOOPT;
1696 } /* end switch (sopt->sopt_name) */
1697 if (*optsize < sizeof(val)) {
1698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1699 error = EINVAL;
1700 }
1701 flags_out:
1702 SCTP_INP_RUNLOCK(inp);
1703 if (error == 0) {
1704 /* return the option value */
1705 *(int *)optval = val;
1706 *optsize = sizeof(val);
1707 }
1708 break;
1709 case SCTP_GET_PACKET_LOG:
1710 {
1711 #ifdef SCTP_PACKET_LOGGING
1712 uint8_t *target;
1713 int ret;
1714
1715 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize);
1716 ret = sctp_copy_out_packet_log(target, (int)*optsize);
1717 *optsize = ret;
1718 #else
1719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1720 error = EOPNOTSUPP;
1721 #endif
1722 break;
1723 }
1724 case SCTP_REUSE_PORT:
1725 {
1726 uint32_t *value;
1727
1728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
1729 /* Can't do this for a 1-m socket */
1730 error = EINVAL;
1731 break;
1732 }
1733 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1734 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
1735 *optsize = sizeof(uint32_t);
1736 break;
1737 }
1738 case SCTP_PARTIAL_DELIVERY_POINT:
1739 {
1740 uint32_t *value;
1741
1742 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1743 *value = inp->partial_delivery_point;
1744 *optsize = sizeof(uint32_t);
1745 break;
1746 }
1747 case SCTP_FRAGMENT_INTERLEAVE:
1748 {
1749 uint32_t *value;
1750
1751 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1752 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) {
1753 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) {
1754 *value = SCTP_FRAG_LEVEL_2;
1755 } else {
1756 *value = SCTP_FRAG_LEVEL_1;
1757 }
1758 } else {
1759 *value = SCTP_FRAG_LEVEL_0;
1760 }
1761 *optsize = sizeof(uint32_t);
1762 break;
1763 }
1764 case SCTP_CMT_ON_OFF:
1765 {
1766 struct sctp_assoc_value *av;
1767
1768 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1769 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1770 if (stcb) {
1771 av->assoc_value = stcb->asoc.sctp_cmt_on_off;
1772 SCTP_TCB_UNLOCK(stcb);
1773 } else {
1774 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1775 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1776 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1777 SCTP_INP_RLOCK(inp);
1778 av->assoc_value = inp->sctp_cmt_on_off;
1779 SCTP_INP_RUNLOCK(inp);
1780 } else {
1781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1782 error = EINVAL;
1783 }
1784 }
1785 if (error == 0) {
1786 *optsize = sizeof(struct sctp_assoc_value);
1787 }
1788 break;
1789 }
1790 case SCTP_PLUGGABLE_CC:
1791 {
1792 struct sctp_assoc_value *av;
1793
1794 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1795 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1796 if (stcb) {
1797 av->assoc_value = stcb->asoc.congestion_control_module;
1798 SCTP_TCB_UNLOCK(stcb);
1799 } else {
1800 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1801 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1802 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1803 SCTP_INP_RLOCK(inp);
1804 av->assoc_value = inp->sctp_ep.sctp_default_cc_module;
1805 SCTP_INP_RUNLOCK(inp);
1806 } else {
1807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1808 error = EINVAL;
1809 }
1810 }
1811 if (error == 0) {
1812 *optsize = sizeof(struct sctp_assoc_value);
1813 }
1814 break;
1815 }
1816 case SCTP_CC_OPTION:
1817 {
1818 struct sctp_cc_option *cc_opt;
1819
1820 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize);
1821 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
1822 if (stcb == NULL) {
1823 error = EINVAL;
1824 } else {
1825 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
1826 error = ENOTSUP;
1827 } else {
1828 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt);
1829 *optsize = sizeof(struct sctp_cc_option);
1830 }
1831 SCTP_TCB_UNLOCK(stcb);
1832 }
1833 break;
1834 }
1835 case SCTP_PLUGGABLE_SS:
1836 {
1837 struct sctp_assoc_value *av;
1838
1839 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1840 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1841 if (stcb) {
1842 av->assoc_value = stcb->asoc.stream_scheduling_module;
1843 SCTP_TCB_UNLOCK(stcb);
1844 } else {
1845 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1846 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1847 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1848 SCTP_INP_RLOCK(inp);
1849 av->assoc_value = inp->sctp_ep.sctp_default_ss_module;
1850 SCTP_INP_RUNLOCK(inp);
1851 } else {
1852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1853 error = EINVAL;
1854 }
1855 }
1856 if (error == 0) {
1857 *optsize = sizeof(struct sctp_assoc_value);
1858 }
1859 break;
1860 }
1861 case SCTP_SS_VALUE:
1862 {
1863 struct sctp_stream_value *av;
1864
1865 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize);
1866 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1867 if (stcb) {
1868 if ((av->stream_id >= stcb->asoc.streamoutcnt) ||
1869 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
1870 &av->stream_value) < 0)) {
1871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1872 error = EINVAL;
1873 } else {
1874 *optsize = sizeof(struct sctp_stream_value);
1875 }
1876 SCTP_TCB_UNLOCK(stcb);
1877 } else {
1878 /*
1879 * Can't get stream value without
1880 * association
1881 */
1882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1883 error = EINVAL;
1884 }
1885 break;
1886 }
1887 case SCTP_GET_ADDR_LEN:
1888 {
1889 struct sctp_assoc_value *av;
1890
1891 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1892 error = EINVAL;
1893 #ifdef INET
1894 if (av->assoc_value == AF_INET) {
1895 av->assoc_value = sizeof(struct sockaddr_in);
1896 error = 0;
1897 }
1898 #endif
1899 #ifdef INET6
1900 if (av->assoc_value == AF_INET6) {
1901 av->assoc_value = sizeof(struct sockaddr_in6);
1902 error = 0;
1903 }
1904 #endif
1905 if (error) {
1906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1907 } else {
1908 *optsize = sizeof(struct sctp_assoc_value);
1909 }
1910 break;
1911 }
1912 case SCTP_GET_ASSOC_NUMBER:
1913 {
1914 uint32_t *value, cnt;
1915
1916 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1917 cnt = 0;
1918 SCTP_INP_RLOCK(inp);
1919 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
1920 cnt++;
1921 }
1922 SCTP_INP_RUNLOCK(inp);
1923 *value = cnt;
1924 *optsize = sizeof(uint32_t);
1925 break;
1926 }
1927 case SCTP_GET_ASSOC_ID_LIST:
1928 {
1929 struct sctp_assoc_ids *ids;
1930 unsigned int at, limit;
1931
1932 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize);
1933 at = 0;
1934 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t);
1935 SCTP_INP_RLOCK(inp);
1936 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
1937 if (at < limit) {
1938 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb);
1939 } else {
1940 error = EINVAL;
1941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1942 break;
1943 }
1944 }
1945 SCTP_INP_RUNLOCK(inp);
1946 if (error == 0) {
1947 ids->gaids_number_of_ids = at;
1948 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t));
1949 }
1950 break;
1951 }
1952 case SCTP_CONTEXT:
1953 {
1954 struct sctp_assoc_value *av;
1955
1956 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1957 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1958
1959 if (stcb) {
1960 av->assoc_value = stcb->asoc.context;
1961 SCTP_TCB_UNLOCK(stcb);
1962 } else {
1963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1964 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1965 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1966 SCTP_INP_RLOCK(inp);
1967 av->assoc_value = inp->sctp_context;
1968 SCTP_INP_RUNLOCK(inp);
1969 } else {
1970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1971 error = EINVAL;
1972 }
1973 }
1974 if (error == 0) {
1975 *optsize = sizeof(struct sctp_assoc_value);
1976 }
1977 break;
1978 }
1979 case SCTP_VRF_ID:
1980 {
1981 uint32_t *default_vrfid;
1982
1983 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize);
1984 *default_vrfid = inp->def_vrf_id;
1985 *optsize = sizeof(uint32_t);
1986 break;
1987 }
1988 case SCTP_GET_ASOC_VRF:
1989 {
1990 struct sctp_assoc_value *id;
1991
1992 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize);
1993 SCTP_FIND_STCB(inp, stcb, id->assoc_id);
1994 if (stcb == NULL) {
1995 error = EINVAL;
1996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1997 } else {
1998 id->assoc_value = stcb->asoc.vrf_id;
1999 *optsize = sizeof(struct sctp_assoc_value);
2000 }
2001 break;
2002 }
2003 case SCTP_GET_VRF_IDS:
2004 {
2005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
2006 error = EOPNOTSUPP;
2007 break;
2008 }
2009 case SCTP_GET_NONCE_VALUES:
2010 {
2011 struct sctp_get_nonce_values *gnv;
2012
2013 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize);
2014 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id);
2015
2016 if (stcb) {
2017 gnv->gn_peers_tag = stcb->asoc.peer_vtag;
2018 gnv->gn_local_tag = stcb->asoc.my_vtag;
2019 SCTP_TCB_UNLOCK(stcb);
2020 *optsize = sizeof(struct sctp_get_nonce_values);
2021 } else {
2022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2023 error = ENOTCONN;
2024 }
2025 break;
2026 }
2027 case SCTP_DELAYED_SACK:
2028 {
2029 struct sctp_sack_info *sack;
2030
2031 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize);
2032 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
2033 if (stcb) {
2034 sack->sack_delay = stcb->asoc.delayed_ack;
2035 sack->sack_freq = stcb->asoc.sack_freq;
2036 SCTP_TCB_UNLOCK(stcb);
2037 } else {
2038 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2039 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2040 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) {
2041 SCTP_INP_RLOCK(inp);
2042 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]);
2043 sack->sack_freq = inp->sctp_ep.sctp_sack_freq;
2044 SCTP_INP_RUNLOCK(inp);
2045 } else {
2046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2047 error = EINVAL;
2048 }
2049 }
2050 if (error == 0) {
2051 *optsize = sizeof(struct sctp_sack_info);
2052 }
2053 break;
2054 }
2055 case SCTP_GET_SNDBUF_USE:
2056 {
2057 struct sctp_sockstat *ss;
2058
2059 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize);
2060 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id);
2061
2062 if (stcb) {
2063 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size;
2064 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue +
2065 stcb->asoc.size_on_all_streams);
2066 SCTP_TCB_UNLOCK(stcb);
2067 *optsize = sizeof(struct sctp_sockstat);
2068 } else {
2069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2070 error = ENOTCONN;
2071 }
2072 break;
2073 }
2074 case SCTP_MAX_BURST:
2075 {
2076 struct sctp_assoc_value *av;
2077
2078 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2079 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2080
2081 if (stcb) {
2082 av->assoc_value = stcb->asoc.max_burst;
2083 SCTP_TCB_UNLOCK(stcb);
2084 } else {
2085 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2086 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2087 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2088 SCTP_INP_RLOCK(inp);
2089 av->assoc_value = inp->sctp_ep.max_burst;
2090 SCTP_INP_RUNLOCK(inp);
2091 } else {
2092 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2093 error = EINVAL;
2094 }
2095 }
2096 if (error == 0) {
2097 *optsize = sizeof(struct sctp_assoc_value);
2098 }
2099 break;
2100 }
2101 case SCTP_MAXSEG:
2102 {
2103 struct sctp_assoc_value *av;
2104 int ovh;
2105
2106 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2107 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2108
2109 if (stcb) {
2110 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc);
2111 SCTP_TCB_UNLOCK(stcb);
2112 } else {
2113 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2114 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2115 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2116 SCTP_INP_RLOCK(inp);
2117 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
2118 ovh = SCTP_MED_OVERHEAD;
2119 } else {
2120 ovh = SCTP_MED_V4_OVERHEAD;
2121 }
2122 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT)
2123 av->assoc_value = 0;
2124 else
2125 av->assoc_value = inp->sctp_frag_point - ovh;
2126 SCTP_INP_RUNLOCK(inp);
2127 } else {
2128 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2129 error = EINVAL;
2130 }
2131 }
2132 if (error == 0) {
2133 *optsize = sizeof(struct sctp_assoc_value);
2134 }
2135 break;
2136 }
2137 case SCTP_GET_STAT_LOG:
2138 error = sctp_fill_stat_log(optval, optsize);
2139 break;
2140 case SCTP_EVENTS:
2141 {
2142 struct sctp_event_subscribe *events;
2143
2144 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize);
2145 memset(events, 0, sizeof(struct sctp_event_subscribe));
2146 SCTP_INP_RLOCK(inp);
2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT))
2148 events->sctp_data_io_event = 1;
2149
2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT))
2151 events->sctp_association_event = 1;
2152
2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT))
2154 events->sctp_address_event = 1;
2155
2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT))
2157 events->sctp_send_failure_event = 1;
2158
2159 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR))
2160 events->sctp_peer_error_event = 1;
2161
2162 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT))
2163 events->sctp_shutdown_event = 1;
2164
2165 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT))
2166 events->sctp_partial_delivery_event = 1;
2167
2168 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT))
2169 events->sctp_adaptation_layer_event = 1;
2170
2171 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT))
2172 events->sctp_authentication_event = 1;
2173
2174 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT))
2175 events->sctp_sender_dry_event = 1;
2176
2177 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT))
2178 events->sctp_stream_reset_event = 1;
2179 SCTP_INP_RUNLOCK(inp);
2180 *optsize = sizeof(struct sctp_event_subscribe);
2181 break;
2182 }
2183 case SCTP_ADAPTATION_LAYER:
2184 {
2185 uint32_t *value;
2186
2187 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2188
2189 SCTP_INP_RLOCK(inp);
2190 *value = inp->sctp_ep.adaptation_layer_indicator;
2191 SCTP_INP_RUNLOCK(inp);
2192 *optsize = sizeof(uint32_t);
2193 break;
2194 }
2195 case SCTP_SET_INITIAL_DBG_SEQ:
2196 {
2197 uint32_t *value;
2198
2199 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2200 SCTP_INP_RLOCK(inp);
2201 *value = inp->sctp_ep.initial_sequence_debug;
2202 SCTP_INP_RUNLOCK(inp);
2203 *optsize = sizeof(uint32_t);
2204 break;
2205 }
2206 case SCTP_GET_LOCAL_ADDR_SIZE:
2207 {
2208 uint32_t *value;
2209
2210 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2211 SCTP_INP_RLOCK(inp);
2212 *value = sctp_count_max_addresses(inp);
2213 SCTP_INP_RUNLOCK(inp);
2214 *optsize = sizeof(uint32_t);
2215 break;
2216 }
2217 case SCTP_GET_REMOTE_ADDR_SIZE:
2218 {
2219 uint32_t *value;
2220 size_t size;
2221 struct sctp_nets *net;
2222
2223 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2224 /* FIXME MT: change to sctp_assoc_value? */
2225 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value);
2226
2227 if (stcb) {
2228 size = 0;
2229 /* Count the sizes */
2230 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2231 switch (net->ro._l_addr.sa.sa_family) {
2232 #ifdef INET
2233 case AF_INET:
2234 #ifdef INET6
2235 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2236 size += sizeof(struct sockaddr_in6);
2237 } else {
2238 size += sizeof(struct sockaddr_in);
2239 }
2240 #else
2241 size += sizeof(struct sockaddr_in);
2242 #endif
2243 break;
2244 #endif
2245 #ifdef INET6
2246 case AF_INET6:
2247 size += sizeof(struct sockaddr_in6);
2248 break;
2249 #endif
2250 default:
2251 break;
2252 }
2253 }
2254 SCTP_TCB_UNLOCK(stcb);
2255 *value = (uint32_t) size;
2256 *optsize = sizeof(uint32_t);
2257 } else {
2258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2259 error = ENOTCONN;
2260 }
2261 break;
2262 }
2263 case SCTP_GET_PEER_ADDRESSES:
2264 /*
2265 * Get the address information, an array is passed in to
2266 * fill up we pack it.
2267 */
2268 {
2269 size_t cpsz, left;
2270 struct sockaddr_storage *sas;
2271 struct sctp_nets *net;
2272 struct sctp_getaddresses *saddr;
2273
2274 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2275 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2276
2277 if (stcb) {
2278 left = (*optsize) - sizeof(struct sctp_getaddresses);
2279 *optsize = sizeof(struct sctp_getaddresses);
2280 sas = (struct sockaddr_storage *)&saddr->addr[0];
2281
2282 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2283 switch (net->ro._l_addr.sa.sa_family) {
2284 #ifdef INET
2285 case AF_INET:
2286 #ifdef INET6
2287 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2288 cpsz = sizeof(struct sockaddr_in6);
2289 } else {
2290 cpsz = sizeof(struct sockaddr_in);
2291 }
2292 #else
2293 cpsz = sizeof(struct sockaddr_in);
2294 #endif
2295 break;
2296 #endif
2297 #ifdef INET6
2298 case AF_INET6:
2299 cpsz = sizeof(struct sockaddr_in6);
2300 break;
2301 #endif
2302 default:
2303 cpsz = 0;
2304 break;
2305 }
2306 if (cpsz == 0) {
2307 break;
2308 }
2309 if (left < cpsz) {
2310 /* not enough room. */
2311 break;
2312 }
2313 #if defined(INET) && defined(INET6)
2314 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) &&
2315 (net->ro._l_addr.sa.sa_family == AF_INET)) {
2316 /* Must map the address */
2317 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin,
2318 (struct sockaddr_in6 *)sas);
2319 } else {
2320 memcpy(sas, &net->ro._l_addr, cpsz);
2321 }
2322 #else
2323 memcpy(sas, &net->ro._l_addr, cpsz);
2324 #endif
2325 ((struct sockaddr_in *)sas)->sin_port = stcb->rport;
2326
2327 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz);
2328 left -= cpsz;
2329 *optsize += cpsz;
2330 }
2331 SCTP_TCB_UNLOCK(stcb);
2332 } else {
2333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2334 error = ENOENT;
2335 }
2336 break;
2337 }
2338 case SCTP_GET_LOCAL_ADDRESSES:
2339 {
2340 size_t limit, actual;
2341 struct sockaddr_storage *sas;
2342 struct sctp_getaddresses *saddr;
2343
2344 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2345 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2346
2347 sas = (struct sockaddr_storage *)&saddr->addr[0];
2348 limit = *optsize - sizeof(sctp_assoc_t);
2349 actual = sctp_fill_up_addresses(inp, stcb, limit, sas);
2350 if (stcb) {
2351 SCTP_TCB_UNLOCK(stcb);
2352 }
2353 *optsize = sizeof(struct sockaddr_storage) + actual;
2354 break;
2355 }
2356 case SCTP_PEER_ADDR_PARAMS:
2357 {
2358 struct sctp_paddrparams *paddrp;
2359 struct sctp_nets *net;
2360 struct sockaddr *addr;
2361
2362 #if defined(INET) && defined(INET6)
2363 struct sockaddr_in sin_store;
2364
2365 #endif
2366
2367 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize);
2368 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
2369
2370 #if defined(INET) && defined(INET6)
2371 if (paddrp->spp_address.ss_family == AF_INET6) {
2372 struct sockaddr_in6 *sin6;
2373
2374 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address;
2375 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
2376 in6_sin6_2_sin(&sin_store, sin6);
2377 addr = (struct sockaddr *)&sin_store;
2378 } else {
2379 addr = (struct sockaddr *)&paddrp->spp_address;
2380 }
2381 } else {
2382 addr = (struct sockaddr *)&paddrp->spp_address;
2383 }
2384 #else
2385 addr = (struct sockaddr *)&paddrp->spp_address;
2386 #endif
2387 if (stcb != NULL) {
2388 net = sctp_findnet(stcb, addr);
2389 } else {
2390 /*
2391 * We increment here since
2392 * sctp_findassociation_ep_addr() wil do a
2393 * decrement if it finds the stcb as long as
2394 * the locked tcb (last argument) is NOT a
2395 * TCB.. aka NULL.
2396 */
2397 net = NULL;
2398 SCTP_INP_INCR_REF(inp);
2399 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
2400 if (stcb == NULL) {
2401 SCTP_INP_DECR_REF(inp);
2402 }
2403 }
2404 if ((stcb != NULL) && (net == NULL)) {
2405 #ifdef INET
2406 if (addr->sa_family == AF_INET) {
2407 struct sockaddr_in *sin;
2408
2409 sin = (struct sockaddr_in *)addr;
2410 if (sin->sin_addr.s_addr != INADDR_ANY) {
2411 error = EINVAL;
2412 SCTP_TCB_UNLOCK(stcb);
2413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2414 break;
2415 }
2416 } else
2417 #endif
2418 #ifdef INET6
2419 if (addr->sa_family == AF_INET6) {
2420 struct sockaddr_in6 *sin6;
2421
2422 sin6 = (struct sockaddr_in6 *)addr;
2423 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
2424 error = EINVAL;
2425 SCTP_TCB_UNLOCK(stcb);
2426 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2427 break;
2428 }
2429 } else
2430 #endif
2431 {
2432 error = EAFNOSUPPORT;
2433 SCTP_TCB_UNLOCK(stcb);
2434 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2435 break;
2436 }
2437 }
2438 if (stcb != NULL) {
2439 /* Applies to the specific association */
2440 paddrp->spp_flags = 0;
2441 if (net != NULL) {
2442 paddrp->spp_hbinterval = net->heart_beat_delay;
2443 paddrp->spp_pathmaxrxt = net->failure_threshold;
2444 paddrp->spp_pathmtu = net->mtu;
2445 switch (net->ro._l_addr.sa.sa_family) {
2446 #ifdef INET
2447 case AF_INET:
2448 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD;
2449 break;
2450 #endif
2451 #ifdef INET6
2452 case AF_INET6:
2453 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD;
2454 break;
2455 #endif
2456 default:
2457 break;
2458 }
2459 /* get flags for HB */
2460 if (net->dest_state & SCTP_ADDR_NOHB) {
2461 paddrp->spp_flags |= SPP_HB_DISABLE;
2462 } else {
2463 paddrp->spp_flags |= SPP_HB_ENABLE;
2464 }
2465 /* get flags for PMTU */
2466 if (net->dest_state & SCTP_ADDR_NO_PMTUD) {
2467 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2468 } else {
2469 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2470 }
2471 if (net->dscp & 0x01) {
2472 paddrp->spp_dscp = net->dscp & 0xfc;
2473 paddrp->spp_flags |= SPP_DSCP;
2474 }
2475 #ifdef INET6
2476 if ((net->ro._l_addr.sa.sa_family == AF_INET6) &&
2477 (net->flowlabel & 0x80000000)) {
2478 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff;
2479 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2480 }
2481 #endif
2482 } else {
2483 /*
2484 * No destination so return default
2485 * value
2486 */
2487 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
2488 paddrp->spp_pathmtu = 0;
2489 if (stcb->asoc.default_dscp & 0x01) {
2490 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc;
2491 paddrp->spp_flags |= SPP_DSCP;
2492 }
2493 #ifdef INET6
2494 if (stcb->asoc.default_flowlabel & 0x80000000) {
2495 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff;
2496 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2497 }
2498 #endif
2499 /* default settings should be these */
2500 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
2501 paddrp->spp_flags |= SPP_HB_DISABLE;
2502 } else {
2503 paddrp->spp_flags |= SPP_HB_ENABLE;
2504 }
2505 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
2506 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2507 } else {
2508 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2509 }
2510 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay;
2511 }
2512 paddrp->spp_assoc_id = sctp_get_associd(stcb);
2513 SCTP_TCB_UNLOCK(stcb);
2514 } else {
2515 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2516 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2517 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) {
2518 /* Use endpoint defaults */
2519 SCTP_INP_RLOCK(inp);
2520 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure;
2521 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]);
2522 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC;
2523 /* get inp's default */
2524 if (inp->sctp_ep.default_dscp & 0x01) {
2525 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc;
2526 paddrp->spp_flags |= SPP_DSCP;
2527 }
2528 #ifdef INET6
2529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
2530 (inp->sctp_ep.default_flowlabel & 0x80000000)) {
2531 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff;
2532 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2533 }
2534 #endif
2535 /* can't return this */
2536 paddrp->spp_pathmtu = 0;
2537
2538 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
2539 paddrp->spp_flags |= SPP_HB_ENABLE;
2540 } else {
2541 paddrp->spp_flags |= SPP_HB_DISABLE;
2542 }
2543 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
2544 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2545 } else {
2546 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2547 }
2548 SCTP_INP_RUNLOCK(inp);
2549 } else {
2550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2551 error = EINVAL;
2552 }
2553 }
2554 if (error == 0) {
2555 *optsize = sizeof(struct sctp_paddrparams);
2556 }
2557 break;
2558 }
2559 case SCTP_GET_PEER_ADDR_INFO:
2560 {
2561 struct sctp_paddrinfo *paddri;
2562 struct sctp_nets *net;
2563 struct sockaddr *addr;
2564
2565 #if defined(INET) && defined(INET6)
2566 struct sockaddr_in sin_store;
2567
2568 #endif
2569
2570 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize);
2571 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id);
2572
2573 #if defined(INET) && defined(INET6)
2574 if (paddri->spinfo_address.ss_family == AF_INET6) {
2575 struct sockaddr_in6 *sin6;
2576
2577 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address;
2578 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
2579 in6_sin6_2_sin(&sin_store, sin6);
2580 addr = (struct sockaddr *)&sin_store;
2581 } else {
2582 addr = (struct sockaddr *)&paddri->spinfo_address;
2583 }
2584 } else {
2585 addr = (struct sockaddr *)&paddri->spinfo_address;
2586 }
2587 #else
2588 addr = (struct sockaddr *)&paddri->spinfo_address;
2589 #endif
2590 if (stcb != NULL) {
2591 net = sctp_findnet(stcb, addr);
2592 } else {
2593 /*
2594 * We increment here since
2595 * sctp_findassociation_ep_addr() wil do a
2596 * decrement if it finds the stcb as long as
2597 * the locked tcb (last argument) is NOT a
2598 * TCB.. aka NULL.
2599 */
2600 net = NULL;
2601 SCTP_INP_INCR_REF(inp);
2602 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
2603 if (stcb == NULL) {
2604 SCTP_INP_DECR_REF(inp);
2605 }
2606 }
2607
2608 if ((stcb != NULL) && (net != NULL)) {
2609 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
2610 /* It's unconfirmed */
2611 paddri->spinfo_state = SCTP_UNCONFIRMED;
2612 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
2613 /* It's active */
2614 paddri->spinfo_state = SCTP_ACTIVE;
2615 } else {
2616 /* It's inactive */
2617 paddri->spinfo_state = SCTP_INACTIVE;
2618 }
2619 paddri->spinfo_cwnd = net->cwnd;
2620 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
2621 paddri->spinfo_rto = net->RTO;
2622 paddri->spinfo_assoc_id = sctp_get_associd(stcb);
2623 paddri->spinfo_mtu = net->mtu;
2624 switch (addr->sa_family) {
2625 #if defined(INET)
2626 case AF_INET:
2627 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD;
2628 break;
2629 #endif
2630 #if defined(INET6)
2631 case AF_INET6:
2632 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD;
2633 break;
2634 #endif
2635 default:
2636 break;
2637 }
2638 SCTP_TCB_UNLOCK(stcb);
2639 *optsize = sizeof(struct sctp_paddrinfo);
2640 } else {
2641 if (stcb != NULL) {
2642 SCTP_TCB_UNLOCK(stcb);
2643 }
2644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2645 error = ENOENT;
2646 }
2647 break;
2648 }
2649 case SCTP_PCB_STATUS:
2650 {
2651 struct sctp_pcbinfo *spcb;
2652
2653 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize);
2654 sctp_fill_pcbinfo(spcb);
2655 *optsize = sizeof(struct sctp_pcbinfo);
2656 break;
2657 }
2658 case SCTP_STATUS:
2659 {
2660 struct sctp_nets *net;
2661 struct sctp_status *sstat;
2662
2663 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize);
2664 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id);
2665
2666 if (stcb == NULL) {
2667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2668 error = EINVAL;
2669 break;
2670 }
2671 /*
2672 * I think passing the state is fine since
2673 * sctp_constants.h will be available to the user
2674 * land.
2675 */
2676 sstat->sstat_state = stcb->asoc.state;
2677 sstat->sstat_assoc_id = sctp_get_associd(stcb);
2678 sstat->sstat_rwnd = stcb->asoc.peers_rwnd;
2679 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt;
2680 /*
2681 * We can't include chunks that have been passed to
2682 * the socket layer. Only things in queue.
2683 */
2684 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue +
2685 stcb->asoc.cnt_on_all_streams);
2686
2687
2688 sstat->sstat_instrms = stcb->asoc.streamincnt;
2689 sstat->sstat_outstrms = stcb->asoc.streamoutcnt;
2690 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc);
2691 memcpy(&sstat->sstat_primary.spinfo_address,
2692 &stcb->asoc.primary_destination->ro._l_addr,
2693 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len);
2694 net = stcb->asoc.primary_destination;
2695 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport;
2696 /*
2697 * Again the user can get info from sctp_constants.h
2698 * for what the state of the network is.
2699 */
2700 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
2701 /* It's unconfirmed */
2702 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED;
2703 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
2704 /* It's active */
2705 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE;
2706 } else {
2707 /* It's inactive */
2708 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE;
2709 }
2710 sstat->sstat_primary.spinfo_cwnd = net->cwnd;
2711 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
2712 sstat->sstat_primary.spinfo_rto = net->RTO;
2713 sstat->sstat_primary.spinfo_mtu = net->mtu;
2714 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) {
2715 #if defined(INET)
2716 case AF_INET:
2717 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD;
2718 break;
2719 #endif
2720 #if defined(INET6)
2721 case AF_INET6:
2722 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD;
2723 break;
2724 #endif
2725 default:
2726 break;
2727 }
2728 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb);
2729 SCTP_TCB_UNLOCK(stcb);
2730 *optsize = sizeof(struct sctp_status);
2731 break;
2732 }
2733 case SCTP_RTOINFO:
2734 {
2735 struct sctp_rtoinfo *srto;
2736
2737 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize);
2738 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
2739
2740 if (stcb) {
2741 srto->srto_initial = stcb->asoc.initial_rto;
2742 srto->srto_max = stcb->asoc.maxrto;
2743 srto->srto_min = stcb->asoc.minrto;
2744 SCTP_TCB_UNLOCK(stcb);
2745 } else {
2746 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2747 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2748 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) {
2749 SCTP_INP_RLOCK(inp);
2750 srto->srto_initial = inp->sctp_ep.initial_rto;
2751 srto->srto_max = inp->sctp_ep.sctp_maxrto;
2752 srto->srto_min = inp->sctp_ep.sctp_minrto;
2753 SCTP_INP_RUNLOCK(inp);
2754 } else {
2755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2756 error = EINVAL;
2757 }
2758 }
2759 if (error == 0) {
2760 *optsize = sizeof(struct sctp_rtoinfo);
2761 }
2762 break;
2763 }
2764 case SCTP_TIMEOUTS:
2765 {
2766 struct sctp_timeouts *stimo;
2767
2768 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize);
2769 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id);
2770
2771 if (stcb) {
2772 stimo->stimo_init = stcb->asoc.timoinit;
2773 stimo->stimo_data = stcb->asoc.timodata;
2774 stimo->stimo_sack = stcb->asoc.timosack;
2775 stimo->stimo_shutdown = stcb->asoc.timoshutdown;
2776 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat;
2777 stimo->stimo_cookie = stcb->asoc.timocookie;
2778 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack;
2779 SCTP_TCB_UNLOCK(stcb);
2780 *optsize = sizeof(struct sctp_timeouts);
2781 } else {
2782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2783 error = EINVAL;
2784 }
2785 break;
2786 }
2787 case SCTP_ASSOCINFO:
2788 {
2789 struct sctp_assocparams *sasoc;
2790
2791 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize);
2792 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
2793
2794 if (stcb) {
2795 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life);
2796 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times;
2797 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
2798 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd;
2799 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd;
2800 SCTP_TCB_UNLOCK(stcb);
2801 } else {
2802 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2803 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2804 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
2805 SCTP_INP_RLOCK(inp);
2806 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life);
2807 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times;
2808 sasoc->sasoc_number_peer_destinations = 0;
2809 sasoc->sasoc_peer_rwnd = 0;
2810 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv);
2811 SCTP_INP_RUNLOCK(inp);
2812 } else {
2813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2814 error = EINVAL;
2815 }
2816 }
2817 if (error == 0) {
2818 *optsize = sizeof(struct sctp_assocparams);
2819 }
2820 break;
2821 }
2822 case SCTP_DEFAULT_SEND_PARAM:
2823 {
2824 struct sctp_sndrcvinfo *s_info;
2825
2826 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize);
2827 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
2828
2829 if (stcb) {
2830 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send));
2831 SCTP_TCB_UNLOCK(stcb);
2832 } else {
2833 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2834 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2835 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) {
2836 SCTP_INP_RLOCK(inp);
2837 memcpy(s_info, &inp->def_send, sizeof(inp->def_send));
2838 SCTP_INP_RUNLOCK(inp);
2839 } else {
2840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2841 error = EINVAL;
2842 }
2843 }
2844 if (error == 0) {
2845 *optsize = sizeof(struct sctp_sndrcvinfo);
2846 }
2847 break;
2848 }
2849 case SCTP_INITMSG:
2850 {
2851 struct sctp_initmsg *sinit;
2852
2853 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize);
2854 SCTP_INP_RLOCK(inp);
2855 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count;
2856 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome;
2857 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times;
2858 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max;
2859 SCTP_INP_RUNLOCK(inp);
2860 *optsize = sizeof(struct sctp_initmsg);
2861 break;
2862 }
2863 case SCTP_PRIMARY_ADDR:
2864 /* we allow a "get" operation on this */
2865 {
2866 struct sctp_setprim *ssp;
2867
2868 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize);
2869 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id);
2870
2871 if (stcb) {
2872 union sctp_sockstore *addr;
2873
2874 addr = &stcb->asoc.primary_destination->ro._l_addr;
2875 switch (addr->sa.sa_family) {
2876 #ifdef INET
2877 case AF_INET:
2878 #ifdef INET6
2879 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2880 in6_sin_2_v4mapsin6(&addr->sin,
2881 (struct sockaddr_in6 *)&ssp->ssp_addr);
2882 } else {
2883 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in));
2884 }
2885 #else
2886 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in));
2887 #endif
2888 break;
2889 #endif
2890 #ifdef INET6
2891 case AF_INET6:
2892 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6));
2893 break;
2894 #endif
2895 default:
2896 break;
2897 }
2898 SCTP_TCB_UNLOCK(stcb);
2899 *optsize = sizeof(struct sctp_setprim);
2900 } else {
2901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2902 error = EINVAL;
2903 }
2904 break;
2905 }
2906 case SCTP_HMAC_IDENT:
2907 {
2908 struct sctp_hmacalgo *shmac;
2909 sctp_hmaclist_t *hmaclist;
2910 uint32_t size;
2911 int i;
2912
2913 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize);
2914
2915 SCTP_INP_RLOCK(inp);
2916 hmaclist = inp->sctp_ep.local_hmacs;
2917 if (hmaclist == NULL) {
2918 /* no HMACs to return */
2919 *optsize = sizeof(*shmac);
2920 SCTP_INP_RUNLOCK(inp);
2921 break;
2922 }
2923 /* is there room for all of the hmac ids? */
2924 size = sizeof(*shmac) + (hmaclist->num_algo *
2925 sizeof(shmac->shmac_idents[0]));
2926 if ((size_t)(*optsize) < size) {
2927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2928 error = EINVAL;
2929 SCTP_INP_RUNLOCK(inp);
2930 break;
2931 }
2932 /* copy in the list */
2933 shmac->shmac_number_of_idents = hmaclist->num_algo;
2934 for (i = 0; i < hmaclist->num_algo; i++) {
2935 shmac->shmac_idents[i] = hmaclist->hmac[i];
2936 }
2937 SCTP_INP_RUNLOCK(inp);
2938 *optsize = size;
2939 break;
2940 }
2941 case SCTP_AUTH_ACTIVE_KEY:
2942 {
2943 struct sctp_authkeyid *scact;
2944
2945 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize);
2946 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
2947
2948 if (stcb) {
2949 /* get the active key on the assoc */
2950 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid;
2951 SCTP_TCB_UNLOCK(stcb);
2952 } else {
2953 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2954 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2955 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) {
2956 /* get the endpoint active key */
2957 SCTP_INP_RLOCK(inp);
2958 scact->scact_keynumber = inp->sctp_ep.default_keyid;
2959 SCTP_INP_RUNLOCK(inp);
2960 } else {
2961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2962 error = EINVAL;
2963 }
2964 }
2965 if (error == 0) {
2966 *optsize = sizeof(struct sctp_authkeyid);
2967 }
2968 break;
2969 }
2970 case SCTP_LOCAL_AUTH_CHUNKS:
2971 {
2972 struct sctp_authchunks *sac;
2973 sctp_auth_chklist_t *chklist = NULL;
2974 size_t size = 0;
2975
2976 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
2977 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
2978
2979 if (stcb) {
2980 /* get off the assoc */
2981 chklist = stcb->asoc.local_auth_chunks;
2982 /* is there enough space? */
2983 size = sctp_auth_get_chklist_size(chklist);
2984 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2985 error = EINVAL;
2986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2987 } else {
2988 /* copy in the chunks */
2989 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2990 sac->gauth_number_of_chunks = (uint32_t) size;
2991 *optsize = sizeof(struct sctp_authchunks) + size;
2992 }
2993 SCTP_TCB_UNLOCK(stcb);
2994 } else {
2995 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2996 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2997 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) {
2998 /* get off the endpoint */
2999 SCTP_INP_RLOCK(inp);
3000 chklist = inp->sctp_ep.local_auth_chunks;
3001 /* is there enough space? */
3002 size = sctp_auth_get_chklist_size(chklist);
3003 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
3004 error = EINVAL;
3005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3006 } else {
3007 /* copy in the chunks */
3008 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
3009 sac->gauth_number_of_chunks = (uint32_t) size;
3010 *optsize = sizeof(struct sctp_authchunks) + size;
3011 }
3012 SCTP_INP_RUNLOCK(inp);
3013 } else {
3014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3015 error = EINVAL;
3016 }
3017 }
3018 break;
3019 }
3020 case SCTP_PEER_AUTH_CHUNKS:
3021 {
3022 struct sctp_authchunks *sac;
3023 sctp_auth_chklist_t *chklist = NULL;
3024 size_t size = 0;
3025
3026 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
3027 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
3028
3029 if (stcb) {
3030 /* get off the assoc */
3031 chklist = stcb->asoc.peer_auth_chunks;
3032 /* is there enough space? */
3033 size = sctp_auth_get_chklist_size(chklist);
3034 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
3035 error = EINVAL;
3036 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3037 } else {
3038 /* copy in the chunks */
3039 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
3040 sac->gauth_number_of_chunks = (uint32_t) size;
3041 *optsize = sizeof(struct sctp_authchunks) + size;
3042 }
3043 SCTP_TCB_UNLOCK(stcb);
3044 } else {
3045 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
3046 error = ENOENT;
3047 }
3048 break;
3049 }
3050 case SCTP_EVENT:
3051 {
3052 struct sctp_event *event;
3053 uint32_t event_type;
3054
3055 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize);
3056 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
3057
3058 switch (event->se_type) {
3059 case SCTP_ASSOC_CHANGE:
3060 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
3061 break;
3062 case SCTP_PEER_ADDR_CHANGE:
3063 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
3064 break;
3065 case SCTP_REMOTE_ERROR:
3066 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
3067 break;
3068 case SCTP_SEND_FAILED:
3069 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
3070 break;
3071 case SCTP_SHUTDOWN_EVENT:
3072 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
3073 break;
3074 case SCTP_ADAPTATION_INDICATION:
3075 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
3076 break;
3077 case SCTP_PARTIAL_DELIVERY_EVENT:
3078 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
3079 break;
3080 case SCTP_AUTHENTICATION_EVENT:
3081 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
3082 break;
3083 case SCTP_STREAM_RESET_EVENT:
3084 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
3085 break;
3086 case SCTP_SENDER_DRY_EVENT:
3087 event_type = SCTP_PCB_FLAGS_DRYEVNT;
3088 break;
3089 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
3090 event_type = 0;
3091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
3092 error = ENOTSUP;
3093 break;
3094 case SCTP_ASSOC_RESET_EVENT:
3095 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
3096 break;
3097 case SCTP_STREAM_CHANGE_EVENT:
3098 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
3099 break;
3100 case SCTP_SEND_FAILED_EVENT:
3101 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
3102 break;
3103 default:
3104 event_type = 0;
3105 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3106 error = EINVAL;
3107 break;
3108 }
3109 if (event_type > 0) {
3110 if (stcb) {
3111 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type);
3112 SCTP_TCB_UNLOCK(stcb);
3113 } else {
3114 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3115 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3116 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) {
3117 SCTP_INP_RLOCK(inp);
3118 event->se_on = sctp_is_feature_on(inp, event_type);
3119 SCTP_INP_RUNLOCK(inp);
3120 } else {
3121 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3122 error = EINVAL;
3123 }
3124 }
3125 }
3126 if (error == 0) {
3127 *optsize = sizeof(struct sctp_event);
3128 }
3129 break;
3130 }
3131 case SCTP_RECVRCVINFO:
3132 {
3133 int onoff;
3134
3135 if (*optsize < sizeof(int)) {
3136 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3137 error = EINVAL;
3138 } else {
3139 SCTP_INP_RLOCK(inp);
3140 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
3141 SCTP_INP_RUNLOCK(inp);
3142 }
3143 if (error == 0) {
3144 /* return the option value */
3145 *(int *)optval = onoff;
3146 *optsize = sizeof(int);
3147 }
3148 break;
3149 }
3150 case SCTP_RECVNXTINFO:
3151 {
3152 int onoff;
3153
3154 if (*optsize < sizeof(int)) {
3155 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3156 error = EINVAL;
3157 } else {
3158 SCTP_INP_RLOCK(inp);
3159 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
3160 SCTP_INP_RUNLOCK(inp);
3161 }
3162 if (error == 0) {
3163 /* return the option value */
3164 *(int *)optval = onoff;
3165 *optsize = sizeof(int);
3166 }
3167 break;
3168 }
3169 case SCTP_DEFAULT_SNDINFO:
3170 {
3171 struct sctp_sndinfo *info;
3172
3173 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize);
3174 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
3175
3176 if (stcb) {
3177 info->snd_sid = stcb->asoc.def_send.sinfo_stream;
3178 info->snd_flags = stcb->asoc.def_send.sinfo_flags;
3179 info->snd_flags &= 0xfff0;
3180 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid;
3181 info->snd_context = stcb->asoc.def_send.sinfo_context;
3182 SCTP_TCB_UNLOCK(stcb);
3183 } else {
3184 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3185 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3186 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) {
3187 SCTP_INP_RLOCK(inp);
3188 info->snd_sid = inp->def_send.sinfo_stream;
3189 info->snd_flags = inp->def_send.sinfo_flags;
3190 info->snd_flags &= 0xfff0;
3191 info->snd_ppid = inp->def_send.sinfo_ppid;
3192 info->snd_context = inp->def_send.sinfo_context;
3193 SCTP_INP_RUNLOCK(inp);
3194 } else {
3195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3196 error = EINVAL;
3197 }
3198 }
3199 if (error == 0) {
3200 *optsize = sizeof(struct sctp_sndinfo);
3201 }
3202 break;
3203 }
3204 case SCTP_DEFAULT_PRINFO:
3205 {
3206 struct sctp_default_prinfo *info;
3207
3208 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize);
3209 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
3210
3211 if (stcb) {
3212 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
3213 info->pr_value = stcb->asoc.def_send.sinfo_timetolive;
3214 SCTP_TCB_UNLOCK(stcb);
3215 } else {
3216 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3217 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3218 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) {
3219 SCTP_INP_RLOCK(inp);
3220 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
3221 info->pr_value = inp->def_send.sinfo_timetolive;
3222 SCTP_INP_RUNLOCK(inp);
3223 } else {
3224 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3225 error = EINVAL;
3226 }
3227 }
3228 if (error == 0) {
3229 *optsize = sizeof(struct sctp_default_prinfo);
3230 }
3231 break;
3232 }
3233 case SCTP_PEER_ADDR_THLDS:
3234 {
3235 struct sctp_paddrthlds *thlds;
3236 struct sctp_nets *net;
3237 struct sockaddr *addr;
3238
3239 #if defined(INET) && defined(INET6)
3240 struct sockaddr_in sin_store;
3241
3242 #endif
3243
3244 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize);
3245 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
3246
3247 #if defined(INET) && defined(INET6)
3248 if (thlds->spt_address.ss_family == AF_INET6) {
3249 struct sockaddr_in6 *sin6;
3250
3251 sin6 = (struct sockaddr_in6 *)&thlds->spt_address;
3252 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
3253 in6_sin6_2_sin(&sin_store, sin6);
3254 addr = (struct sockaddr *)&sin_store;
3255 } else {
3256 addr = (struct sockaddr *)&thlds->spt_address;
3257 }
3258 } else {
3259 addr = (struct sockaddr *)&thlds->spt_address;
3260 }
3261 #else
3262 addr = (struct sockaddr *)&thlds->spt_address;
3263 #endif
3264 if (stcb != NULL) {
3265 net = sctp_findnet(stcb, addr);
3266 } else {
3267 /*
3268 * We increment here since
3269 * sctp_findassociation_ep_addr() wil do a
3270 * decrement if it finds the stcb as long as
3271 * the locked tcb (last argument) is NOT a
3272 * TCB.. aka NULL.
3273 */
3274 net = NULL;
3275 SCTP_INP_INCR_REF(inp);
3276 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
3277 if (stcb == NULL) {
3278 SCTP_INP_DECR_REF(inp);
3279 }
3280 }
3281 if ((stcb != NULL) && (net == NULL)) {
3282 #ifdef INET
3283 if (addr->sa_family == AF_INET) {
3284 struct sockaddr_in *sin;
3285
3286 sin = (struct sockaddr_in *)addr;
3287 if (sin->sin_addr.s_addr != INADDR_ANY) {
3288 error = EINVAL;
3289 SCTP_TCB_UNLOCK(stcb);
3290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3291 break;
3292 }
3293 } else
3294 #endif
3295 #ifdef INET6
3296 if (addr->sa_family == AF_INET6) {
3297 struct sockaddr_in6 *sin6;
3298
3299 sin6 = (struct sockaddr_in6 *)addr;
3300 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3301 error = EINVAL;
3302 SCTP_TCB_UNLOCK(stcb);
3303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3304 break;
3305 }
3306 } else
3307 #endif
3308 {
3309 error = EAFNOSUPPORT;
3310 SCTP_TCB_UNLOCK(stcb);
3311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3312 break;
3313 }
3314 }
3315 if (stcb != NULL) {
3316 if (net != NULL) {
3317 thlds->spt_pathmaxrxt = net->failure_threshold;
3318 thlds->spt_pathpfthld = net->pf_threshold;
3319 } else {
3320 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure;
3321 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold;
3322 }
3323 thlds->spt_assoc_id = sctp_get_associd(stcb);
3324 SCTP_TCB_UNLOCK(stcb);
3325 } else {
3326 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3327 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3328 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) {
3329 /* Use endpoint defaults */
3330 SCTP_INP_RLOCK(inp);
3331 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure;
3332 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold;
3333 SCTP_INP_RUNLOCK(inp);
3334 } else {
3335 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3336 error = EINVAL;
3337 }
3338 }
3339 if (error == 0) {
3340 *optsize = sizeof(struct sctp_paddrthlds);
3341 }
3342 break;
3343 }
3344 case SCTP_REMOTE_UDP_ENCAPS_PORT:
3345 {
3346 struct sctp_udpencaps *encaps;
3347 struct sctp_nets *net;
3348 struct sockaddr *addr;
3349
3350 #if defined(INET) && defined(INET6)
3351 struct sockaddr_in sin_store;
3352
3353 #endif
3354
3355 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize);
3356 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
3357
3358 #if defined(INET) && defined(INET6)
3359 if (encaps->sue_address.ss_family == AF_INET6) {
3360 struct sockaddr_in6 *sin6;
3361
3362 sin6 = (struct sockaddr_in6 *)&encaps->sue_address;
3363 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
3364 in6_sin6_2_sin(&sin_store, sin6);
3365 addr = (struct sockaddr *)&sin_store;
3366 } else {
3367 addr = (struct sockaddr *)&encaps->sue_address;
3368 }
3369 } else {
3370 addr = (struct sockaddr *)&encaps->sue_address;
3371 }
3372 #else
3373 addr = (struct sockaddr *)&encaps->sue_address;
3374 #endif
3375 if (stcb) {
3376 net = sctp_findnet(stcb, addr);
3377 } else {
3378 /*
3379 * We increment here since
3380 * sctp_findassociation_ep_addr() wil do a
3381 * decrement if it finds the stcb as long as
3382 * the locked tcb (last argument) is NOT a
3383 * TCB.. aka NULL.
3384 */
3385 net = NULL;
3386 SCTP_INP_INCR_REF(inp);
3387 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
3388 if (stcb == NULL) {
3389 SCTP_INP_DECR_REF(inp);
3390 }
3391 }
3392 if ((stcb != NULL) && (net == NULL)) {
3393 #ifdef INET
3394 if (addr->sa_family == AF_INET) {
3395 struct sockaddr_in *sin;
3396
3397 sin = (struct sockaddr_in *)addr;
3398 if (sin->sin_addr.s_addr != INADDR_ANY) {
3399 error = EINVAL;
3400 SCTP_TCB_UNLOCK(stcb);
3401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3402 break;
3403 }
3404 } else
3405 #endif
3406 #ifdef INET6
3407 if (addr->sa_family == AF_INET6) {
3408 struct sockaddr_in6 *sin6;
3409
3410 sin6 = (struct sockaddr_in6 *)addr;
3411 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3412 error = EINVAL;
3413 SCTP_TCB_UNLOCK(stcb);
3414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3415 break;
3416 }
3417 } else
3418 #endif
3419 {
3420 error = EAFNOSUPPORT;
3421 SCTP_TCB_UNLOCK(stcb);
3422 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3423 break;
3424 }
3425 }
3426 if (stcb != NULL) {
3427 if (net) {
3428 encaps->sue_port = net->port;
3429 } else {
3430 encaps->sue_port = stcb->asoc.port;
3431 }
3432 SCTP_TCB_UNLOCK(stcb);
3433 } else {
3434 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3435 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3436 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) {
3437 SCTP_INP_RLOCK(inp);
3438 encaps->sue_port = inp->sctp_ep.port;
3439 SCTP_INP_RUNLOCK(inp);
3440 } else {
3441 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3442 error = EINVAL;
3443 }
3444 }
3445 if (error == 0) {
3446 *optsize = sizeof(struct sctp_udpencaps);
3447 }
3448 break;
3449 }
3450 case SCTP_ECN_SUPPORTED:
3451 {
3452 struct sctp_assoc_value *av;
3453
3454 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3455 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3456
3457 if (stcb) {
3458 av->assoc_value = stcb->asoc.ecn_supported;
3459 SCTP_TCB_UNLOCK(stcb);
3460 } else {
3461 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3462 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3463 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3464 SCTP_INP_RLOCK(inp);
3465 av->assoc_value = inp->ecn_supported;
3466 SCTP_INP_RUNLOCK(inp);
3467 } else {
3468 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3469 error = EINVAL;
3470 }
3471 }
3472 if (error == 0) {
3473 *optsize = sizeof(struct sctp_assoc_value);
3474 }
3475 break;
3476 }
3477 case SCTP_PR_SUPPORTED:
3478 {
3479 struct sctp_assoc_value *av;
3480
3481 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3482 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3483
3484 if (stcb) {
3485 av->assoc_value = stcb->asoc.prsctp_supported;
3486 SCTP_TCB_UNLOCK(stcb);
3487 } else {
3488 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3489 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3490 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3491 SCTP_INP_RLOCK(inp);
3492 av->assoc_value = inp->prsctp_supported;
3493 SCTP_INP_RUNLOCK(inp);
3494 } else {
3495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3496 error = EINVAL;
3497 }
3498 }
3499 if (error == 0) {
3500 *optsize = sizeof(struct sctp_assoc_value);
3501 }
3502 break;
3503 }
3504 case SCTP_AUTH_SUPPORTED:
3505 {
3506 struct sctp_assoc_value *av;
3507
3508 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3509 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3510
3511 if (stcb) {
3512 av->assoc_value = stcb->asoc.auth_supported;
3513 SCTP_TCB_UNLOCK(stcb);
3514 } else {
3515 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3516 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3517 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3518 SCTP_INP_RLOCK(inp);
3519 av->assoc_value = inp->auth_supported;
3520 SCTP_INP_RUNLOCK(inp);
3521 } else {
3522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3523 error = EINVAL;
3524 }
3525 }
3526 if (error == 0) {
3527 *optsize = sizeof(struct sctp_assoc_value);
3528 }
3529 break;
3530 }
3531 case SCTP_ASCONF_SUPPORTED:
3532 {
3533 struct sctp_assoc_value *av;
3534
3535 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3536 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3537
3538 if (stcb) {
3539 av->assoc_value = stcb->asoc.asconf_supported;
3540 SCTP_TCB_UNLOCK(stcb);
3541 } else {
3542 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3543 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3544 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3545 SCTP_INP_RLOCK(inp);
3546 av->assoc_value = inp->asconf_supported;
3547 SCTP_INP_RUNLOCK(inp);
3548 } else {
3549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3550 error = EINVAL;
3551 }
3552 }
3553 if (error == 0) {
3554 *optsize = sizeof(struct sctp_assoc_value);
3555 }
3556 break;
3557 }
3558 case SCTP_RECONFIG_SUPPORTED:
3559 {
3560 struct sctp_assoc_value *av;
3561
3562 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3563 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3564
3565 if (stcb) {
3566 av->assoc_value = stcb->asoc.reconfig_supported;
3567 SCTP_TCB_UNLOCK(stcb);
3568 } else {
3569 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3570 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3571 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3572 SCTP_INP_RLOCK(inp);
3573 av->assoc_value = inp->reconfig_supported;
3574 SCTP_INP_RUNLOCK(inp);
3575 } else {
3576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3577 error = EINVAL;
3578 }
3579 }
3580 if (error == 0) {
3581 *optsize = sizeof(struct sctp_assoc_value);
3582 }
3583 break;
3584 }
3585 case SCTP_NRSACK_SUPPORTED:
3586 {
3587 struct sctp_assoc_value *av;
3588
3589 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3590 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3591
3592 if (stcb) {
3593 av->assoc_value = stcb->asoc.nrsack_supported;
3594 SCTP_TCB_UNLOCK(stcb);
3595 } else {
3596 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3597 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3598 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3599 SCTP_INP_RLOCK(inp);
3600 av->assoc_value = inp->nrsack_supported;
3601 SCTP_INP_RUNLOCK(inp);
3602 } else {
3603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3604 error = EINVAL;
3605 }
3606 }
3607 if (error == 0) {
3608 *optsize = sizeof(struct sctp_assoc_value);
3609 }
3610 break;
3611 }
3612 case SCTP_PKTDROP_SUPPORTED:
3613 {
3614 struct sctp_assoc_value *av;
3615
3616 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3617 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3618
3619 if (stcb) {
3620 av->assoc_value = stcb->asoc.pktdrop_supported;
3621 SCTP_TCB_UNLOCK(stcb);
3622 } else {
3623 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3624 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3625 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3626 SCTP_INP_RLOCK(inp);
3627 av->assoc_value = inp->pktdrop_supported;
3628 SCTP_INP_RUNLOCK(inp);
3629 } else {
3630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3631 error = EINVAL;
3632 }
3633 }
3634 if (error == 0) {
3635 *optsize = sizeof(struct sctp_assoc_value);
3636 }
3637 break;
3638 }
3639 case SCTP_ENABLE_STREAM_RESET:
3640 {
3641 struct sctp_assoc_value *av;
3642
3643 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3644 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3645
3646 if (stcb) {
3647 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support;
3648 SCTP_TCB_UNLOCK(stcb);
3649 } else {
3650 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3651 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3652 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3653 SCTP_INP_RLOCK(inp);
3654 av->assoc_value = (uint32_t) inp->local_strreset_support;
3655 SCTP_INP_RUNLOCK(inp);
3656 } else {
3657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3658 error = EINVAL;
3659 }
3660 }
3661 if (error == 0) {
3662 *optsize = sizeof(struct sctp_assoc_value);
3663 }
3664 break;
3665 }
3666 case SCTP_PR_STREAM_STATUS:
3667 {
3668 struct sctp_prstatus *sprstat;
3669 uint16_t sid;
3670 uint16_t policy;
3671
3672 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize);
3673 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id);
3674
3675 sid = sprstat->sprstat_sid;
3676 policy = sprstat->sprstat_policy;
3677 #if defined(SCTP_DETAILED_STR_STATS)
3678 if ((stcb != NULL) &&
3679 (sid < stcb->asoc.streamoutcnt) &&
3680 (policy != SCTP_PR_SCTP_NONE) &&
3681 ((policy <= SCTP_PR_SCTP_MAX) ||
3682 (policy == SCTP_PR_SCTP_ALL))) {
3683 if (policy == SCTP_PR_SCTP_ALL) {
3684 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0];
3685 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0];
3686 } else {
3687 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy];
3688 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy];
3689 }
3690 #else
3691 if ((stcb != NULL) &&
3692 (sid < stcb->asoc.streamoutcnt) &&
3693 (policy == SCTP_PR_SCTP_ALL)) {
3694 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0];
3695 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0];
3696 #endif
3697 SCTP_TCB_UNLOCK(stcb);
3698 *optsize = sizeof(struct sctp_prstatus);
3699 } else {
3700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3701 error = EINVAL;
3702 }
3703 break;
3704 }
3705 case SCTP_PR_ASSOC_STATUS:
3706 {
3707 struct sctp_prstatus *sprstat;
3708 uint16_t policy;
3709
3710 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize);
3711 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id);
3712
3713 policy = sprstat->sprstat_policy;
3714 if ((stcb != NULL) &&
3715 (policy != SCTP_PR_SCTP_NONE) &&
3716 ((policy <= SCTP_PR_SCTP_MAX) ||
3717 (policy == SCTP_PR_SCTP_ALL))) {
3718 if (policy == SCTP_PR_SCTP_ALL) {
3719 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0];
3720 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0];
3721 } else {
3722 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy];
3723 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy];
3724 }
3725 SCTP_TCB_UNLOCK(stcb);
3726 *optsize = sizeof(struct sctp_prstatus);
3727 } else {
3728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3729 error = EINVAL;
3730 }
3731 break;
3732 }
3733 case SCTP_MAX_CWND:
3734 {
3735 struct sctp_assoc_value *av;
3736
3737 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3738 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3739
3740 if (stcb) {
3741 av->assoc_value = stcb->asoc.max_cwnd;
3742 SCTP_TCB_UNLOCK(stcb);
3743 } else {
3744 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3745 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3746 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3747 SCTP_INP_RLOCK(inp);
3748 av->assoc_value = inp->max_cwnd;
3749 SCTP_INP_RUNLOCK(inp);
3750 } else {
3751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3752 error = EINVAL;
3753 }
3754 }
3755 if (error == 0) {
3756 *optsize = sizeof(struct sctp_assoc_value);
3757 }
3758 break;
3759 }
3760 default:
3761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
3762 error = ENOPROTOOPT;
3763 break;
3764 } /* end switch (sopt->sopt_name) */
3765 if (error) {
3766 *optsize = 0;
3767 }
3768 return (error);
3769 }
3770
3771 static int
3772 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
3773 void *p)
3774 {
3775 int error, set_opt;
3776 uint32_t *mopt;
3777 struct sctp_tcb *stcb = NULL;
3778 struct sctp_inpcb *inp = NULL;
3779 uint32_t vrf_id;
3780
3781 if (optval == NULL) {
3782 SCTP_PRINTF("optval is NULL\n");
3783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3784 return (EINVAL);
3785 }
3786 inp = (struct sctp_inpcb *)so->so_pcb;
3787 if (inp == NULL) {
3788 SCTP_PRINTF("inp is NULL?\n");
3789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3790 return (EINVAL);
3791 }
3792 vrf_id = inp->def_vrf_id;
3793
3794 error = 0;
3795 switch (optname) {
3796 case SCTP_NODELAY:
3797 case SCTP_AUTOCLOSE:
3798 case SCTP_AUTO_ASCONF:
3799 case SCTP_EXPLICIT_EOR:
3800 case SCTP_DISABLE_FRAGMENTS:
3801 case SCTP_USE_EXT_RCVINFO:
3802 case SCTP_I_WANT_MAPPED_V4_ADDR:
3803 /* copy in the option value */
3804 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
3805 set_opt = 0;
3806 if (error)
3807 break;
3808 switch (optname) {
3809 case SCTP_DISABLE_FRAGMENTS:
3810 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT;
3811 break;
3812 case SCTP_AUTO_ASCONF:
3813 /*
3814 * NOTE: we don't really support this flag
3815 */
3816 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
3817 /* only valid for bound all sockets */
3818 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) &&
3819 (*mopt != 0)) {
3820 /* forbidden by admin */
3821 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM);
3822 return (EPERM);
3823 }
3824 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF;
3825 } else {
3826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3827 return (EINVAL);
3828 }
3829 break;
3830 case SCTP_EXPLICIT_EOR:
3831 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR;
3832 break;
3833 case SCTP_USE_EXT_RCVINFO:
3834 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO;
3835 break;
3836 case SCTP_I_WANT_MAPPED_V4_ADDR:
3837 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
3838 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4;
3839 } else {
3840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3841 return (EINVAL);
3842 }
3843 break;
3844 case SCTP_NODELAY:
3845 set_opt = SCTP_PCB_FLAGS_NODELAY;
3846 break;
3847 case SCTP_AUTOCLOSE:
3848 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3849 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
3850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3851 return (EINVAL);
3852 }
3853 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE;
3854 /*
3855 * The value is in ticks. Note this does not effect
3856 * old associations, only new ones.
3857 */
3858 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt);
3859 break;
3860 }
3861 SCTP_INP_WLOCK(inp);
3862 if (*mopt != 0) {
3863 sctp_feature_on(inp, set_opt);
3864 } else {
3865 sctp_feature_off(inp, set_opt);
3866 }
3867 SCTP_INP_WUNLOCK(inp);
3868 break;
3869 case SCTP_REUSE_PORT:
3870 {
3871 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
3872 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
3873 /* Can't set it after we are bound */
3874 error = EINVAL;
3875 break;
3876 }
3877 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
3878 /* Can't do this for a 1-m socket */
3879 error = EINVAL;
3880 break;
3881 }
3882 if (optval)
3883 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
3884 else
3885 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE);
3886 break;
3887 }
3888 case SCTP_PARTIAL_DELIVERY_POINT:
3889 {
3890 uint32_t *value;
3891
3892 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
3893 if (*value > SCTP_SB_LIMIT_RCV(so)) {
3894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3895 error = EINVAL;
3896 break;
3897 }
3898 inp->partial_delivery_point = *value;
3899 break;
3900 }
3901 case SCTP_FRAGMENT_INTERLEAVE:
3902 /* not yet until we re-write sctp_recvmsg() */
3903 {
3904 uint32_t *level;
3905
3906 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize);
3907 if (*level == SCTP_FRAG_LEVEL_2) {
3908 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3909 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3910 } else if (*level == SCTP_FRAG_LEVEL_1) {
3911 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3912 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3913 } else if (*level == SCTP_FRAG_LEVEL_0) {
3914 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3915 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3916
3917 } else {
3918 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3919 error = EINVAL;
3920 }
3921 break;
3922 }
3923 case SCTP_CMT_ON_OFF:
3924 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) {
3925 struct sctp_assoc_value *av;
3926
3927 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3928 if (av->assoc_value > SCTP_CMT_MAX) {
3929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3930 error = EINVAL;
3931 break;
3932 }
3933 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3934 if (stcb) {
3935 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
3936 SCTP_TCB_UNLOCK(stcb);
3937 } else {
3938 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3939 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3940 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
3941 (av->assoc_id == SCTP_ALL_ASSOC)) {
3942 SCTP_INP_WLOCK(inp);
3943 inp->sctp_cmt_on_off = av->assoc_value;
3944 SCTP_INP_WUNLOCK(inp);
3945 }
3946 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3947 (av->assoc_id == SCTP_ALL_ASSOC)) {
3948 SCTP_INP_RLOCK(inp);
3949 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3950 SCTP_TCB_LOCK(stcb);
3951 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
3952 SCTP_TCB_UNLOCK(stcb);
3953 }
3954 SCTP_INP_RUNLOCK(inp);
3955 }
3956 }
3957 } else {
3958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
3959 error = ENOPROTOOPT;
3960 }
3961 break;
3962 case SCTP_PLUGGABLE_CC:
3963 {
3964 struct sctp_assoc_value *av;
3965 struct sctp_nets *net;
3966
3967 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3968 if ((av->assoc_value != SCTP_CC_RFC2581) &&
3969 (av->assoc_value != SCTP_CC_HSTCP) &&
3970 (av->assoc_value != SCTP_CC_HTCP) &&
3971 (av->assoc_value != SCTP_CC_RTCC)) {
3972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3973 error = EINVAL;
3974 break;
3975 }
3976 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3977 if (stcb) {
3978 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
3979 stcb->asoc.congestion_control_module = av->assoc_value;
3980 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
3981 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
3982 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
3983 }
3984 }
3985 SCTP_TCB_UNLOCK(stcb);
3986 } else {
3987 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3988 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3989 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
3990 (av->assoc_id == SCTP_ALL_ASSOC)) {
3991 SCTP_INP_WLOCK(inp);
3992 inp->sctp_ep.sctp_default_cc_module = av->assoc_value;
3993 SCTP_INP_WUNLOCK(inp);
3994 }
3995 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3996 (av->assoc_id == SCTP_ALL_ASSOC)) {
3997 SCTP_INP_RLOCK(inp);
3998 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3999 SCTP_TCB_LOCK(stcb);
4000 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
4001 stcb->asoc.congestion_control_module = av->assoc_value;
4002 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
4003 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4004 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
4005 }
4006 }
4007 SCTP_TCB_UNLOCK(stcb);
4008 }
4009 SCTP_INP_RUNLOCK(inp);
4010 }
4011 }
4012 break;
4013 }
4014 case SCTP_CC_OPTION:
4015 {
4016 struct sctp_cc_option *cc_opt;
4017
4018 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize);
4019 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
4020 if (stcb == NULL) {
4021 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) {
4022 SCTP_INP_RLOCK(inp);
4023 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4024 SCTP_TCB_LOCK(stcb);
4025 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) {
4026 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt);
4027 }
4028 SCTP_TCB_UNLOCK(stcb);
4029 }
4030 SCTP_INP_RUNLOCK(inp);
4031 } else {
4032 error = EINVAL;
4033 }
4034 } else {
4035 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
4036 error = ENOTSUP;
4037 } else {
4038 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1,
4039 cc_opt);
4040 }
4041 SCTP_TCB_UNLOCK(stcb);
4042 }
4043 break;
4044 }
4045 case SCTP_PLUGGABLE_SS:
4046 {
4047 struct sctp_assoc_value *av;
4048
4049 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4050 if ((av->assoc_value != SCTP_SS_DEFAULT) &&
4051 (av->assoc_value != SCTP_SS_ROUND_ROBIN) &&
4052 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) &&
4053 (av->assoc_value != SCTP_SS_PRIORITY) &&
4054 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) &&
4055 (av->assoc_value != SCTP_SS_FIRST_COME)) {
4056 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4057 error = EINVAL;
4058 break;
4059 }
4060 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4061 if (stcb) {
4062 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
4063 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
4064 stcb->asoc.stream_scheduling_module = av->assoc_value;
4065 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
4066 SCTP_TCB_UNLOCK(stcb);
4067 } else {
4068 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4069 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4070 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4071 (av->assoc_id == SCTP_ALL_ASSOC)) {
4072 SCTP_INP_WLOCK(inp);
4073 inp->sctp_ep.sctp_default_ss_module = av->assoc_value;
4074 SCTP_INP_WUNLOCK(inp);
4075 }
4076 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4077 (av->assoc_id == SCTP_ALL_ASSOC)) {
4078 SCTP_INP_RLOCK(inp);
4079 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4080 SCTP_TCB_LOCK(stcb);
4081 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
4082 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
4083 stcb->asoc.stream_scheduling_module = av->assoc_value;
4084 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
4085 SCTP_TCB_UNLOCK(stcb);
4086 }
4087 SCTP_INP_RUNLOCK(inp);
4088 }
4089 }
4090 break;
4091 }
4092 case SCTP_SS_VALUE:
4093 {
4094 struct sctp_stream_value *av;
4095
4096 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize);
4097 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4098 if (stcb) {
4099 if ((av->stream_id >= stcb->asoc.streamoutcnt) ||
4100 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
4101 av->stream_value) < 0)) {
4102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4103 error = EINVAL;
4104 }
4105 SCTP_TCB_UNLOCK(stcb);
4106 } else {
4107 if (av->assoc_id == SCTP_CURRENT_ASSOC) {
4108 SCTP_INP_RLOCK(inp);
4109 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4110 SCTP_TCB_LOCK(stcb);
4111 if (av->stream_id < stcb->asoc.streamoutcnt) {
4112 stcb->asoc.ss_functions.sctp_ss_set_value(stcb,
4113 &stcb->asoc,
4114 &stcb->asoc.strmout[av->stream_id],
4115 av->stream_value);
4116 }
4117 SCTP_TCB_UNLOCK(stcb);
4118 }
4119 SCTP_INP_RUNLOCK(inp);
4120 } else {
4121 /*
4122 * Can't set stream value without
4123 * association
4124 */
4125 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4126 error = EINVAL;
4127 }
4128 }
4129 break;
4130 }
4131 case SCTP_CLR_STAT_LOG:
4132 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4133 error = EOPNOTSUPP;
4134 break;
4135 case SCTP_CONTEXT:
4136 {
4137 struct sctp_assoc_value *av;
4138
4139 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4140 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4141
4142 if (stcb) {
4143 stcb->asoc.context = av->assoc_value;
4144 SCTP_TCB_UNLOCK(stcb);
4145 } else {
4146 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4147 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4148 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4149 (av->assoc_id == SCTP_ALL_ASSOC)) {
4150 SCTP_INP_WLOCK(inp);
4151 inp->sctp_context = av->assoc_value;
4152 SCTP_INP_WUNLOCK(inp);
4153 }
4154 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4155 (av->assoc_id == SCTP_ALL_ASSOC)) {
4156 SCTP_INP_RLOCK(inp);
4157 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4158 SCTP_TCB_LOCK(stcb);
4159 stcb->asoc.context = av->assoc_value;
4160 SCTP_TCB_UNLOCK(stcb);
4161 }
4162 SCTP_INP_RUNLOCK(inp);
4163 }
4164 }
4165 break;
4166 }
4167 case SCTP_VRF_ID:
4168 {
4169 uint32_t *default_vrfid;
4170
4171 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize);
4172 if (*default_vrfid > SCTP_MAX_VRF_ID) {
4173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4174 error = EINVAL;
4175 break;
4176 }
4177 inp->def_vrf_id = *default_vrfid;
4178 break;
4179 }
4180 case SCTP_DEL_VRF_ID:
4181 {
4182 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4183 error = EOPNOTSUPP;
4184 break;
4185 }
4186 case SCTP_ADD_VRF_ID:
4187 {
4188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4189 error = EOPNOTSUPP;
4190 break;
4191 }
4192 case SCTP_DELAYED_SACK:
4193 {
4194 struct sctp_sack_info *sack;
4195
4196 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize);
4197 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
4198 if (sack->sack_delay) {
4199 if (sack->sack_delay > SCTP_MAX_SACK_DELAY)
4200 sack->sack_delay = SCTP_MAX_SACK_DELAY;
4201 if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
4202 sack->sack_delay = TICKS_TO_MSEC(1);
4203 }
4204 }
4205 if (stcb) {
4206 if (sack->sack_delay) {
4207 stcb->asoc.delayed_ack = sack->sack_delay;
4208 }
4209 if (sack->sack_freq) {
4210 stcb->asoc.sack_freq = sack->sack_freq;
4211 }
4212 SCTP_TCB_UNLOCK(stcb);
4213 } else {
4214 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4215 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4216 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) ||
4217 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) {
4218 SCTP_INP_WLOCK(inp);
4219 if (sack->sack_delay) {
4220 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay);
4221 }
4222 if (sack->sack_freq) {
4223 inp->sctp_ep.sctp_sack_freq = sack->sack_freq;
4224 }
4225 SCTP_INP_WUNLOCK(inp);
4226 }
4227 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) ||
4228 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) {
4229 SCTP_INP_RLOCK(inp);
4230 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4231 SCTP_TCB_LOCK(stcb);
4232 if (sack->sack_delay) {
4233 stcb->asoc.delayed_ack = sack->sack_delay;
4234 }
4235 if (sack->sack_freq) {
4236 stcb->asoc.sack_freq = sack->sack_freq;
4237 }
4238 SCTP_TCB_UNLOCK(stcb);
4239 }
4240 SCTP_INP_RUNLOCK(inp);
4241 }
4242 }
4243 break;
4244 }
4245 case SCTP_AUTH_CHUNK:
4246 {
4247 struct sctp_authchunk *sauth;
4248
4249 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize);
4250
4251 SCTP_INP_WLOCK(inp);
4252 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) {
4253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4254 error = EINVAL;
4255 }
4256 SCTP_INP_WUNLOCK(inp);
4257 break;
4258 }
4259 case SCTP_AUTH_KEY:
4260 {
4261 struct sctp_authkey *sca;
4262 struct sctp_keyhead *shared_keys;
4263 sctp_sharedkey_t *shared_key;
4264 sctp_key_t *key = NULL;
4265 size_t size;
4266
4267 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize);
4268 if (sca->sca_keylength == 0) {
4269 size = optsize - sizeof(struct sctp_authkey);
4270 } else {
4271 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) {
4272 size = sca->sca_keylength;
4273 } else {
4274 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4275 error = EINVAL;
4276 break;
4277 }
4278 }
4279 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id);
4280
4281 if (stcb) {
4282 shared_keys = &stcb->asoc.shared_keys;
4283 /* clear the cached keys for this key id */
4284 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
4285 /*
4286 * create the new shared key and
4287 * insert/replace it
4288 */
4289 if (size > 0) {
4290 key = sctp_set_key(sca->sca_key, (uint32_t) size);
4291 if (key == NULL) {
4292 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4293 error = ENOMEM;
4294 SCTP_TCB_UNLOCK(stcb);
4295 break;
4296 }
4297 }
4298 shared_key = sctp_alloc_sharedkey();
4299 if (shared_key == NULL) {
4300 sctp_free_key(key);
4301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4302 error = ENOMEM;
4303 SCTP_TCB_UNLOCK(stcb);
4304 break;
4305 }
4306 shared_key->key = key;
4307 shared_key->keyid = sca->sca_keynumber;
4308 error = sctp_insert_sharedkey(shared_keys, shared_key);
4309 SCTP_TCB_UNLOCK(stcb);
4310 } else {
4311 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4312 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4313 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) ||
4314 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) {
4315 SCTP_INP_WLOCK(inp);
4316 shared_keys = &inp->sctp_ep.shared_keys;
4317 /*
4318 * clear the cached keys on all
4319 * assocs for this key id
4320 */
4321 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber);
4322 /*
4323 * create the new shared key and
4324 * insert/replace it
4325 */
4326 if (size > 0) {
4327 key = sctp_set_key(sca->sca_key, (uint32_t) size);
4328 if (key == NULL) {
4329 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4330 error = ENOMEM;
4331 SCTP_INP_WUNLOCK(inp);
4332 break;
4333 }
4334 }
4335 shared_key = sctp_alloc_sharedkey();
4336 if (shared_key == NULL) {
4337 sctp_free_key(key);
4338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4339 error = ENOMEM;
4340 SCTP_INP_WUNLOCK(inp);
4341 break;
4342 }
4343 shared_key->key = key;
4344 shared_key->keyid = sca->sca_keynumber;
4345 error = sctp_insert_sharedkey(shared_keys, shared_key);
4346 SCTP_INP_WUNLOCK(inp);
4347 }
4348 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) ||
4349 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) {
4350 SCTP_INP_RLOCK(inp);
4351 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4352 SCTP_TCB_LOCK(stcb);
4353 shared_keys = &stcb->asoc.shared_keys;
4354 /*
4355 * clear the cached keys for
4356 * this key id
4357 */
4358 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
4359 /*
4360 * create the new shared key
4361 * and insert/replace it
4362 */
4363 if (size > 0) {
4364 key = sctp_set_key(sca->sca_key, (uint32_t) size);
4365 if (key == NULL) {
4366 SCTP_TCB_UNLOCK(stcb);
4367 continue;
4368 }
4369 }
4370 shared_key = sctp_alloc_sharedkey();
4371 if (shared_key == NULL) {
4372 sctp_free_key(key);
4373 SCTP_TCB_UNLOCK(stcb);
4374 continue;
4375 }
4376 shared_key->key = key;
4377 shared_key->keyid = sca->sca_keynumber;
4378 error = sctp_insert_sharedkey(shared_keys, shared_key);
4379 SCTP_TCB_UNLOCK(stcb);
4380 }
4381 SCTP_INP_RUNLOCK(inp);
4382 }
4383 }
4384 break;
4385 }
4386 case SCTP_HMAC_IDENT:
4387 {
4388 struct sctp_hmacalgo *shmac;
4389 sctp_hmaclist_t *hmaclist;
4390 uint16_t hmacid;
4391 uint32_t i;
4392
4393 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize);
4394 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) ||
4395 (shmac->shmac_number_of_idents > 0xffff)) {
4396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4397 error = EINVAL;
4398 break;
4399 }
4400 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents);
4401 if (hmaclist == NULL) {
4402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4403 error = ENOMEM;
4404 break;
4405 }
4406 for (i = 0; i < shmac->shmac_number_of_idents; i++) {
4407 hmacid = shmac->shmac_idents[i];
4408 if (sctp_auth_add_hmacid(hmaclist, hmacid)) {
4409 /* invalid HMACs were found */ ;
4410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4411 error = EINVAL;
4412 sctp_free_hmaclist(hmaclist);
4413 goto sctp_set_hmac_done;
4414 }
4415 }
4416 for (i = 0; i < hmaclist->num_algo; i++) {
4417 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) {
4418 /* already in list */
4419 break;
4420 }
4421 }
4422 if (i == hmaclist->num_algo) {
4423 /* not found in list */
4424 sctp_free_hmaclist(hmaclist);
4425 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4426 error = EINVAL;
4427 break;
4428 }
4429 /* set it on the endpoint */
4430 SCTP_INP_WLOCK(inp);
4431 if (inp->sctp_ep.local_hmacs)
4432 sctp_free_hmaclist(inp->sctp_ep.local_hmacs);
4433 inp->sctp_ep.local_hmacs = hmaclist;
4434 SCTP_INP_WUNLOCK(inp);
4435 sctp_set_hmac_done:
4436 break;
4437 }
4438 case SCTP_AUTH_ACTIVE_KEY:
4439 {
4440 struct sctp_authkeyid *scact;
4441
4442 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize);
4443 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
4444
4445 /* set the active key on the right place */
4446 if (stcb) {
4447 /* set the active key on the assoc */
4448 if (sctp_auth_setactivekey(stcb,
4449 scact->scact_keynumber)) {
4450 SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
4451 SCTP_FROM_SCTP_USRREQ,
4452 EINVAL);
4453 error = EINVAL;
4454 }
4455 SCTP_TCB_UNLOCK(stcb);
4456 } else {
4457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4458 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4459 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4460 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) {
4461 SCTP_INP_WLOCK(inp);
4462 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) {
4463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4464 error = EINVAL;
4465 }
4466 SCTP_INP_WUNLOCK(inp);
4467 }
4468 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4469 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) {
4470 SCTP_INP_RLOCK(inp);
4471 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4472 SCTP_TCB_LOCK(stcb);
4473 sctp_auth_setactivekey(stcb, scact->scact_keynumber);
4474 SCTP_TCB_UNLOCK(stcb);
4475 }
4476 SCTP_INP_RUNLOCK(inp);
4477 }
4478 }
4479 break;
4480 }
4481 case SCTP_AUTH_DELETE_KEY:
4482 {
4483 struct sctp_authkeyid *scdel;
4484
4485 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize);
4486 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id);
4487
4488 /* delete the key from the right place */
4489 if (stcb) {
4490 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) {
4491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4492 error = EINVAL;
4493 }
4494 SCTP_TCB_UNLOCK(stcb);
4495 } else {
4496 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4497 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4498 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4499 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) {
4500 SCTP_INP_WLOCK(inp);
4501 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) {
4502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4503 error = EINVAL;
4504 }
4505 SCTP_INP_WUNLOCK(inp);
4506 }
4507 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4508 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) {
4509 SCTP_INP_RLOCK(inp);
4510 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4511 SCTP_TCB_LOCK(stcb);
4512 sctp_delete_sharedkey(stcb, scdel->scact_keynumber);
4513 SCTP_TCB_UNLOCK(stcb);
4514 }
4515 SCTP_INP_RUNLOCK(inp);
4516 }
4517 }
4518 break;
4519 }
4520 case SCTP_AUTH_DEACTIVATE_KEY:
4521 {
4522 struct sctp_authkeyid *keyid;
4523
4524 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize);
4525 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id);
4526
4527 /* deactivate the key from the right place */
4528 if (stcb) {
4529 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) {
4530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4531 error = EINVAL;
4532 }
4533 SCTP_TCB_UNLOCK(stcb);
4534 } else {
4535 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4536 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4537 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4538 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) {
4539 SCTP_INP_WLOCK(inp);
4540 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) {
4541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4542 error = EINVAL;
4543 }
4544 SCTP_INP_WUNLOCK(inp);
4545 }
4546 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4547 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) {
4548 SCTP_INP_RLOCK(inp);
4549 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4550 SCTP_TCB_LOCK(stcb);
4551 sctp_deact_sharedkey(stcb, keyid->scact_keynumber);
4552 SCTP_TCB_UNLOCK(stcb);
4553 }
4554 SCTP_INP_RUNLOCK(inp);
4555 }
4556 }
4557 break;
4558 }
4559 case SCTP_ENABLE_STREAM_RESET:
4560 {
4561 struct sctp_assoc_value *av;
4562
4563 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4564 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) {
4565 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4566 error = EINVAL;
4567 break;
4568 }
4569 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4570 if (stcb) {
4571 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value;
4572 SCTP_TCB_UNLOCK(stcb);
4573 } else {
4574 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4575 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4576 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4577 (av->assoc_id == SCTP_ALL_ASSOC)) {
4578 SCTP_INP_WLOCK(inp);
4579 inp->local_strreset_support = (uint8_t) av->assoc_value;
4580 SCTP_INP_WUNLOCK(inp);
4581 }
4582 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4583 (av->assoc_id == SCTP_ALL_ASSOC)) {
4584 SCTP_INP_RLOCK(inp);
4585 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4586 SCTP_TCB_LOCK(stcb);
4587 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value;
4588 SCTP_TCB_UNLOCK(stcb);
4589 }
4590 SCTP_INP_RUNLOCK(inp);
4591 }
4592 }
4593 break;
4594 }
4595 case SCTP_RESET_STREAMS:
4596 {
4597 struct sctp_reset_streams *strrst;
4598 int i, send_out = 0;
4599 int send_in = 0;
4600
4601 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize);
4602 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id);
4603 if (stcb == NULL) {
4604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4605 error = ENOENT;
4606 break;
4607 }
4608 if (stcb->asoc.reconfig_supported == 0) {
4609 /*
4610 * Peer does not support the chunk type.
4611 */
4612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4613 error = EOPNOTSUPP;
4614 SCTP_TCB_UNLOCK(stcb);
4615 break;
4616 }
4617 if (sizeof(struct sctp_reset_streams) +
4618 strrst->srs_number_streams * sizeof(uint16_t) > optsize) {
4619 error = EINVAL;
4620 SCTP_TCB_UNLOCK(stcb);
4621 break;
4622 }
4623 if (stcb->asoc.stream_reset_outstanding) {
4624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4625 error = EALREADY;
4626 SCTP_TCB_UNLOCK(stcb);
4627 break;
4628 }
4629 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) {
4630 send_in = 1;
4631 }
4632 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) {
4633 send_out = 1;
4634 }
4635 if ((send_in == 0) && (send_out == 0)) {
4636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4637 error = EINVAL;
4638 SCTP_TCB_UNLOCK(stcb);
4639 break;
4640 }
4641 for (i = 0; i < strrst->srs_number_streams; i++) {
4642 if ((send_in) &&
4643 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) {
4644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4645 error = EINVAL;
4646 break;
4647 }
4648 if ((send_out) &&
4649 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) {
4650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4651 error = EINVAL;
4652 break;
4653 }
4654 }
4655 if (error) {
4656 SCTP_TCB_UNLOCK(stcb);
4657 break;
4658 }
4659 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams,
4660 strrst->srs_stream_list,
4661 send_out, send_in, 0, 0, 0, 0, 0);
4662
4663 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4664 SCTP_TCB_UNLOCK(stcb);
4665 break;
4666 }
4667 case SCTP_ADD_STREAMS:
4668 {
4669 struct sctp_add_streams *stradd;
4670 uint8_t addstream = 0;
4671 uint16_t add_o_strmcnt = 0;
4672 uint16_t add_i_strmcnt = 0;
4673
4674 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize);
4675 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id);
4676 if (stcb == NULL) {
4677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4678 error = ENOENT;
4679 break;
4680 }
4681 if (stcb->asoc.reconfig_supported == 0) {
4682 /*
4683 * Peer does not support the chunk type.
4684 */
4685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4686 error = EOPNOTSUPP;
4687 SCTP_TCB_UNLOCK(stcb);
4688 break;
4689 }
4690 if (stcb->asoc.stream_reset_outstanding) {
4691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4692 error = EALREADY;
4693 SCTP_TCB_UNLOCK(stcb);
4694 break;
4695 }
4696 if ((stradd->sas_outstrms == 0) &&
4697 (stradd->sas_instrms == 0)) {
4698 error = EINVAL;
4699 goto skip_stuff;
4700 }
4701 if (stradd->sas_outstrms) {
4702 addstream = 1;
4703 /* We allocate here */
4704 add_o_strmcnt = stradd->sas_outstrms;
4705 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) {
4706 /* You can't have more than 64k */
4707 error = EINVAL;
4708 goto skip_stuff;
4709 }
4710 }
4711 if (stradd->sas_instrms) {
4712 int cnt;
4713
4714 addstream |= 2;
4715 /*
4716 * We allocate inside
4717 * sctp_send_str_reset_req()
4718 */
4719 add_i_strmcnt = stradd->sas_instrms;
4720 cnt = add_i_strmcnt;
4721 cnt += stcb->asoc.streamincnt;
4722 if (cnt > 0x0000ffff) {
4723 /* You can't have more than 64k */
4724 error = EINVAL;
4725 goto skip_stuff;
4726 }
4727 if (cnt > (int)stcb->asoc.max_inbound_streams) {
4728 /* More than you are allowed */
4729 error = EINVAL;
4730 goto skip_stuff;
4731 }
4732 }
4733 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0);
4734 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4735 skip_stuff:
4736 SCTP_TCB_UNLOCK(stcb);
4737 break;
4738 }
4739 case SCTP_RESET_ASSOC:
4740 {
4741 uint32_t *value;
4742
4743 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
4744 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value);
4745 if (stcb == NULL) {
4746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4747 error = ENOENT;
4748 break;
4749 }
4750 if (stcb->asoc.reconfig_supported == 0) {
4751 /*
4752 * Peer does not support the chunk type.
4753 */
4754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4755 error = EOPNOTSUPP;
4756 SCTP_TCB_UNLOCK(stcb);
4757 break;
4758 }
4759 if (stcb->asoc.stream_reset_outstanding) {
4760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4761 error = EALREADY;
4762 SCTP_TCB_UNLOCK(stcb);
4763 break;
4764 }
4765 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0);
4766 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4767 SCTP_TCB_UNLOCK(stcb);
4768 break;
4769 }
4770 case SCTP_CONNECT_X:
4771 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
4772 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4773 error = EINVAL;
4774 break;
4775 }
4776 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0);
4777 break;
4778 case SCTP_CONNECT_X_DELAYED:
4779 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
4780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4781 error = EINVAL;
4782 break;
4783 }
4784 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1);
4785 break;
4786 case SCTP_CONNECT_X_COMPLETE:
4787 {
4788 struct sockaddr *sa;
4789
4790 /* FIXME MT: check correct? */
4791 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
4792
4793 /* find tcb */
4794 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
4795 SCTP_INP_RLOCK(inp);
4796 stcb = LIST_FIRST(&inp->sctp_asoc_list);
4797 if (stcb) {
4798 SCTP_TCB_LOCK(stcb);
4799 }
4800 SCTP_INP_RUNLOCK(inp);
4801 } else {
4802 /*
4803 * We increment here since
4804 * sctp_findassociation_ep_addr() wil do a
4805 * decrement if it finds the stcb as long as
4806 * the locked tcb (last argument) is NOT a
4807 * TCB.. aka NULL.
4808 */
4809 SCTP_INP_INCR_REF(inp);
4810 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL);
4811 if (stcb == NULL) {
4812 SCTP_INP_DECR_REF(inp);
4813 }
4814 }
4815
4816 if (stcb == NULL) {
4817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4818 error = ENOENT;
4819 break;
4820 }
4821 if (stcb->asoc.delayed_connection == 1) {
4822 stcb->asoc.delayed_connection = 0;
4823 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
4824 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb,
4825 stcb->asoc.primary_destination,
4826 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8);
4827 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
4828 } else {
4829 /*
4830 * already expired or did not use delayed
4831 * connectx
4832 */
4833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4834 error = EALREADY;
4835 }
4836 SCTP_TCB_UNLOCK(stcb);
4837 break;
4838 }
4839 case SCTP_MAX_BURST:
4840 {
4841 struct sctp_assoc_value *av;
4842
4843 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4844 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4845
4846 if (stcb) {
4847 stcb->asoc.max_burst = av->assoc_value;
4848 SCTP_TCB_UNLOCK(stcb);
4849 } else {
4850 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4851 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4852 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4853 (av->assoc_id == SCTP_ALL_ASSOC)) {
4854 SCTP_INP_WLOCK(inp);
4855 inp->sctp_ep.max_burst = av->assoc_value;
4856 SCTP_INP_WUNLOCK(inp);
4857 }
4858 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4859 (av->assoc_id == SCTP_ALL_ASSOC)) {
4860 SCTP_INP_RLOCK(inp);
4861 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4862 SCTP_TCB_LOCK(stcb);
4863 stcb->asoc.max_burst = av->assoc_value;
4864 SCTP_TCB_UNLOCK(stcb);
4865 }
4866 SCTP_INP_RUNLOCK(inp);
4867 }
4868 }
4869 break;
4870 }
4871 case SCTP_MAXSEG:
4872 {
4873 struct sctp_assoc_value *av;
4874 int ovh;
4875
4876 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4877 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4878
4879 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
4880 ovh = SCTP_MED_OVERHEAD;
4881 } else {
4882 ovh = SCTP_MED_V4_OVERHEAD;
4883 }
4884 if (stcb) {
4885 if (av->assoc_value) {
4886 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh);
4887 } else {
4888 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
4889 }
4890 SCTP_TCB_UNLOCK(stcb);
4891 } else {
4892 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4893 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4894 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
4895 SCTP_INP_WLOCK(inp);
4896 /*
4897 * FIXME MT: I think this is not in
4898 * tune with the API ID
4899 */
4900 if (av->assoc_value) {
4901 inp->sctp_frag_point = (av->assoc_value + ovh);
4902 } else {
4903 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
4904 }
4905 SCTP_INP_WUNLOCK(inp);
4906 } else {
4907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4908 error = EINVAL;
4909 }
4910 }
4911 break;
4912 }
4913 case SCTP_EVENTS:
4914 {
4915 struct sctp_event_subscribe *events;
4916
4917 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize);
4918
4919 SCTP_INP_WLOCK(inp);
4920 if (events->sctp_data_io_event) {
4921 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
4922 } else {
4923 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
4924 }
4925
4926 if (events->sctp_association_event) {
4927 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4928 } else {
4929 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4930 }
4931
4932 if (events->sctp_address_event) {
4933 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
4934 } else {
4935 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
4936 }
4937
4938 if (events->sctp_send_failure_event) {
4939 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
4940 } else {
4941 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
4942 }
4943
4944 if (events->sctp_peer_error_event) {
4945 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR);
4946 } else {
4947 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR);
4948 }
4949
4950 if (events->sctp_shutdown_event) {
4951 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
4952 } else {
4953 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
4954 }
4955
4956 if (events->sctp_partial_delivery_event) {
4957 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
4958 } else {
4959 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
4960 }
4961
4962 if (events->sctp_adaptation_layer_event) {
4963 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
4964 } else {
4965 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
4966 }
4967
4968 if (events->sctp_authentication_event) {
4969 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT);
4970 } else {
4971 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT);
4972 }
4973
4974 if (events->sctp_sender_dry_event) {
4975 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT);
4976 } else {
4977 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT);
4978 }
4979
4980 if (events->sctp_stream_reset_event) {
4981 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
4982 } else {
4983 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
4984 }
4985 SCTP_INP_WUNLOCK(inp);
4986
4987 SCTP_INP_RLOCK(inp);
4988 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4989 SCTP_TCB_LOCK(stcb);
4990 if (events->sctp_association_event) {
4991 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4992 } else {
4993 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4994 }
4995 if (events->sctp_address_event) {
4996 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
4997 } else {
4998 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
4999 }
5000 if (events->sctp_send_failure_event) {
5001 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5002 } else {
5003 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5004 }
5005 if (events->sctp_peer_error_event) {
5006 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
5007 } else {
5008 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
5009 }
5010 if (events->sctp_shutdown_event) {
5011 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5012 } else {
5013 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5014 }
5015 if (events->sctp_partial_delivery_event) {
5016 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
5017 } else {
5018 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
5019 }
5020 if (events->sctp_adaptation_layer_event) {
5021 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5022 } else {
5023 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5024 }
5025 if (events->sctp_authentication_event) {
5026 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
5027 } else {
5028 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
5029 }
5030 if (events->sctp_sender_dry_event) {
5031 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
5032 } else {
5033 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
5034 }
5035 if (events->sctp_stream_reset_event) {
5036 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5037 } else {
5038 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5039 }
5040 SCTP_TCB_UNLOCK(stcb);
5041 }
5042 /*
5043 * Send up the sender dry event only for 1-to-1
5044 * style sockets.
5045 */
5046 if (events->sctp_sender_dry_event) {
5047 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5048 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
5049 stcb = LIST_FIRST(&inp->sctp_asoc_list);
5050 if (stcb) {
5051 SCTP_TCB_LOCK(stcb);
5052 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
5053 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
5054 (stcb->asoc.stream_queue_cnt == 0)) {
5055 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
5056 }
5057 SCTP_TCB_UNLOCK(stcb);
5058 }
5059 }
5060 }
5061 SCTP_INP_RUNLOCK(inp);
5062 break;
5063 }
5064 case SCTP_ADAPTATION_LAYER:
5065 {
5066 struct sctp_setadaptation *adap_bits;
5067
5068 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize);
5069 SCTP_INP_WLOCK(inp);
5070 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind;
5071 inp->sctp_ep.adaptation_layer_indicator_provided = 1;
5072 SCTP_INP_WUNLOCK(inp);
5073 break;
5074 }
5075 #ifdef SCTP_DEBUG
5076 case SCTP_SET_INITIAL_DBG_SEQ:
5077 {
5078 uint32_t *vvv;
5079
5080 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize);
5081 SCTP_INP_WLOCK(inp);
5082 inp->sctp_ep.initial_sequence_debug = *vvv;
5083 SCTP_INP_WUNLOCK(inp);
5084 break;
5085 }
5086 #endif
5087 case SCTP_DEFAULT_SEND_PARAM:
5088 {
5089 struct sctp_sndrcvinfo *s_info;
5090
5091 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize);
5092 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
5093
5094 if (stcb) {
5095 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
5096 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
5097 } else {
5098 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5099 error = EINVAL;
5100 }
5101 SCTP_TCB_UNLOCK(stcb);
5102 } else {
5103 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5104 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5105 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) ||
5106 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) {
5107 SCTP_INP_WLOCK(inp);
5108 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send)));
5109 SCTP_INP_WUNLOCK(inp);
5110 }
5111 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) ||
5112 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) {
5113 SCTP_INP_RLOCK(inp);
5114 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5115 SCTP_TCB_LOCK(stcb);
5116 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
5117 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
5118 }
5119 SCTP_TCB_UNLOCK(stcb);
5120 }
5121 SCTP_INP_RUNLOCK(inp);
5122 }
5123 }
5124 break;
5125 }
5126 case SCTP_PEER_ADDR_PARAMS:
5127 {
5128 struct sctp_paddrparams *paddrp;
5129 struct sctp_nets *net;
5130 struct sockaddr *addr;
5131
5132 #if defined(INET) && defined(INET6)
5133 struct sockaddr_in sin_store;
5134
5135 #endif
5136
5137 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize);
5138 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
5139
5140 #if defined(INET) && defined(INET6)
5141 if (paddrp->spp_address.ss_family == AF_INET6) {
5142 struct sockaddr_in6 *sin6;
5143
5144 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address;
5145 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
5146 in6_sin6_2_sin(&sin_store, sin6);
5147 addr = (struct sockaddr *)&sin_store;
5148 } else {
5149 addr = (struct sockaddr *)&paddrp->spp_address;
5150 }
5151 } else {
5152 addr = (struct sockaddr *)&paddrp->spp_address;
5153 }
5154 #else
5155 addr = (struct sockaddr *)&paddrp->spp_address;
5156 #endif
5157 if (stcb != NULL) {
5158 net = sctp_findnet(stcb, addr);
5159 } else {
5160 /*
5161 * We increment here since
5162 * sctp_findassociation_ep_addr() wil do a
5163 * decrement if it finds the stcb as long as
5164 * the locked tcb (last argument) is NOT a
5165 * TCB.. aka NULL.
5166 */
5167 net = NULL;
5168 SCTP_INP_INCR_REF(inp);
5169 stcb = sctp_findassociation_ep_addr(&inp, addr,
5170 &net, NULL, NULL);
5171 if (stcb == NULL) {
5172 SCTP_INP_DECR_REF(inp);
5173 }
5174 }
5175 if ((stcb != NULL) && (net == NULL)) {
5176 #ifdef INET
5177 if (addr->sa_family == AF_INET) {
5178
5179 struct sockaddr_in *sin;
5180
5181 sin = (struct sockaddr_in *)addr;
5182 if (sin->sin_addr.s_addr != INADDR_ANY) {
5183 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5184 SCTP_TCB_UNLOCK(stcb);
5185 error = EINVAL;
5186 break;
5187 }
5188 } else
5189 #endif
5190 #ifdef INET6
5191 if (addr->sa_family == AF_INET6) {
5192 struct sockaddr_in6 *sin6;
5193
5194 sin6 = (struct sockaddr_in6 *)addr;
5195 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
5196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5197 SCTP_TCB_UNLOCK(stcb);
5198 error = EINVAL;
5199 break;
5200 }
5201 } else
5202 #endif
5203 {
5204 error = EAFNOSUPPORT;
5205 SCTP_TCB_UNLOCK(stcb);
5206 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
5207 break;
5208 }
5209 }
5210 /* sanity checks */
5211 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) {
5212 if (stcb)
5213 SCTP_TCB_UNLOCK(stcb);
5214 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5215 return (EINVAL);
5216 }
5217 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) {
5218 if (stcb)
5219 SCTP_TCB_UNLOCK(stcb);
5220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5221 return (EINVAL);
5222 }
5223 if (stcb != NULL) {
5224 /************************TCB SPECIFIC SET ******************/
5225 if (net != NULL) {
5226 /************************NET SPECIFIC SET ******************/
5227 if (paddrp->spp_flags & SPP_HB_DISABLE) {
5228 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) &&
5229 !(net->dest_state & SCTP_ADDR_NOHB)) {
5230 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5231 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9);
5232 }
5233 net->dest_state |= SCTP_ADDR_NOHB;
5234 }
5235 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5236 if (paddrp->spp_hbinterval) {
5237 net->heart_beat_delay = paddrp->spp_hbinterval;
5238 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5239 net->heart_beat_delay = 0;
5240 }
5241 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5242 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
5243 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5244 net->dest_state &= ~SCTP_ADDR_NOHB;
5245 }
5246 if (paddrp->spp_flags & SPP_HB_DEMAND) {
5247 /* on demand HB */
5248 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5249 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED);
5250 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5251 }
5252 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
5253 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5254 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
5255 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11);
5256 }
5257 net->dest_state |= SCTP_ADDR_NO_PMTUD;
5258 net->mtu = paddrp->spp_pathmtu;
5259 switch (net->ro._l_addr.sa.sa_family) {
5260 #ifdef INET
5261 case AF_INET:
5262 net->mtu += SCTP_MIN_V4_OVERHEAD;
5263 break;
5264 #endif
5265 #ifdef INET6
5266 case AF_INET6:
5267 net->mtu += SCTP_MIN_OVERHEAD;
5268 break;
5269 #endif
5270 default:
5271 break;
5272 }
5273 if (net->mtu < stcb->asoc.smallest_mtu) {
5274 sctp_pathmtu_adjustment(stcb, net->mtu);
5275 }
5276 }
5277 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5278 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5279 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
5280 }
5281 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
5282 }
5283 if (paddrp->spp_pathmaxrxt) {
5284 if (net->dest_state & SCTP_ADDR_PF) {
5285 if (net->error_count > paddrp->spp_pathmaxrxt) {
5286 net->dest_state &= ~SCTP_ADDR_PF;
5287 }
5288 } else {
5289 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
5290 (net->error_count > net->pf_threshold)) {
5291 net->dest_state |= SCTP_ADDR_PF;
5292 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5293 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
5294 stcb->sctp_ep, stcb, net,
5295 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12);
5296 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5297 }
5298 }
5299 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5300 if (net->error_count > paddrp->spp_pathmaxrxt) {
5301 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5302 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5303 }
5304 } else {
5305 if (net->error_count <= paddrp->spp_pathmaxrxt) {
5306 net->dest_state |= SCTP_ADDR_REACHABLE;
5307 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5308 }
5309 }
5310 net->failure_threshold = paddrp->spp_pathmaxrxt;
5311 }
5312 if (paddrp->spp_flags & SPP_DSCP) {
5313 net->dscp = paddrp->spp_dscp & 0xfc;
5314 net->dscp |= 0x01;
5315 }
5316 #ifdef INET6
5317 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5318 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
5319 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5320 net->flowlabel |= 0x80000000;
5321 }
5322 }
5323 #endif
5324 } else {
5325 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/
5326 if (paddrp->spp_pathmaxrxt != 0) {
5327 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt;
5328 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5329 if (net->dest_state & SCTP_ADDR_PF) {
5330 if (net->error_count > paddrp->spp_pathmaxrxt) {
5331 net->dest_state &= ~SCTP_ADDR_PF;
5332 }
5333 } else {
5334 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
5335 (net->error_count > net->pf_threshold)) {
5336 net->dest_state |= SCTP_ADDR_PF;
5337 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5338 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
5339 stcb->sctp_ep, stcb, net,
5340 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13);
5341 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5342 }
5343 }
5344 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5345 if (net->error_count > paddrp->spp_pathmaxrxt) {
5346 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5347 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5348 }
5349 } else {
5350 if (net->error_count <= paddrp->spp_pathmaxrxt) {
5351 net->dest_state |= SCTP_ADDR_REACHABLE;
5352 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5353 }
5354 }
5355 net->failure_threshold = paddrp->spp_pathmaxrxt;
5356 }
5357 }
5358 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5359 if (paddrp->spp_hbinterval != 0) {
5360 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval;
5361 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5362 stcb->asoc.heart_beat_delay = 0;
5363 }
5364 /* Turn back on the timer */
5365 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5366 if (paddrp->spp_hbinterval != 0) {
5367 net->heart_beat_delay = paddrp->spp_hbinterval;
5368 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5369 net->heart_beat_delay = 0;
5370 }
5371 if (net->dest_state & SCTP_ADDR_NOHB) {
5372 net->dest_state &= ~SCTP_ADDR_NOHB;
5373 }
5374 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5375 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14);
5376 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5377 }
5378 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5379 }
5380 if (paddrp->spp_flags & SPP_HB_DISABLE) {
5381 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5382 if (!(net->dest_state & SCTP_ADDR_NOHB)) {
5383 net->dest_state |= SCTP_ADDR_NOHB;
5384 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
5385 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
5386 inp, stcb, net,
5387 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15);
5388 }
5389 }
5390 }
5391 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5392 }
5393 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
5394 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5395 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5396 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
5397 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16);
5398 }
5399 net->dest_state |= SCTP_ADDR_NO_PMTUD;
5400 net->mtu = paddrp->spp_pathmtu;
5401 switch (net->ro._l_addr.sa.sa_family) {
5402 #ifdef INET
5403 case AF_INET:
5404 net->mtu += SCTP_MIN_V4_OVERHEAD;
5405 break;
5406 #endif
5407 #ifdef INET6
5408 case AF_INET6:
5409 net->mtu += SCTP_MIN_OVERHEAD;
5410 break;
5411 #endif
5412 default:
5413 break;
5414 }
5415 if (net->mtu < stcb->asoc.smallest_mtu) {
5416 sctp_pathmtu_adjustment(stcb, net->mtu);
5417 }
5418 }
5419 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5420 }
5421 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5422 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5423 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5424 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
5425 }
5426 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
5427 }
5428 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5429 }
5430 if (paddrp->spp_flags & SPP_DSCP) {
5431 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5432 net->dscp = paddrp->spp_dscp & 0xfc;
5433 net->dscp |= 0x01;
5434 }
5435 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc;
5436 stcb->asoc.default_dscp |= 0x01;
5437 }
5438 #ifdef INET6
5439 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5440 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5441 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
5442 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5443 net->flowlabel |= 0x80000000;
5444 }
5445 }
5446 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5447 stcb->asoc.default_flowlabel |= 0x80000000;
5448 }
5449 #endif
5450 }
5451 SCTP_TCB_UNLOCK(stcb);
5452 } else {
5453 /************************NO TCB, SET TO default stuff ******************/
5454 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5455 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5456 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) {
5457 SCTP_INP_WLOCK(inp);
5458 /*
5459 * For the TOS/FLOWLABEL stuff you
5460 * set it with the options on the
5461 * socket
5462 */
5463 if (paddrp->spp_pathmaxrxt != 0) {
5464 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt;
5465 }
5466 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
5467 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
5468 else if (paddrp->spp_hbinterval != 0) {
5469 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL)
5470 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL;
5471 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
5472 }
5473 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5474 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5475 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
5476 } else if (paddrp->spp_hbinterval) {
5477 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
5478 }
5479 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5480 } else if (paddrp->spp_flags & SPP_HB_DISABLE) {
5481 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5482 }
5483 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5484 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5485 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
5486 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5487 }
5488 if (paddrp->spp_flags & SPP_DSCP) {
5489 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc;
5490 inp->sctp_ep.default_dscp |= 0x01;
5491 }
5492 #ifdef INET6
5493 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5494 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
5495 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5496 inp->sctp_ep.default_flowlabel |= 0x80000000;
5497 }
5498 }
5499 #endif
5500 SCTP_INP_WUNLOCK(inp);
5501 } else {
5502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5503 error = EINVAL;
5504 }
5505 }
5506 break;
5507 }
5508 case SCTP_RTOINFO:
5509 {
5510 struct sctp_rtoinfo *srto;
5511 uint32_t new_init, new_min, new_max;
5512
5513 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize);
5514 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
5515
5516 if (stcb) {
5517 if (srto->srto_initial)
5518 new_init = srto->srto_initial;
5519 else
5520 new_init = stcb->asoc.initial_rto;
5521 if (srto->srto_max)
5522 new_max = srto->srto_max;
5523 else
5524 new_max = stcb->asoc.maxrto;
5525 if (srto->srto_min)
5526 new_min = srto->srto_min;
5527 else
5528 new_min = stcb->asoc.minrto;
5529 if ((new_min <= new_init) && (new_init <= new_max)) {
5530 stcb->asoc.initial_rto = new_init;
5531 stcb->asoc.maxrto = new_max;
5532 stcb->asoc.minrto = new_min;
5533 } else {
5534 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5535 error = EINVAL;
5536 }
5537 SCTP_TCB_UNLOCK(stcb);
5538 } else {
5539 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5540 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5541 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) {
5542 SCTP_INP_WLOCK(inp);
5543 if (srto->srto_initial)
5544 new_init = srto->srto_initial;
5545 else
5546 new_init = inp->sctp_ep.initial_rto;
5547 if (srto->srto_max)
5548 new_max = srto->srto_max;
5549 else
5550 new_max = inp->sctp_ep.sctp_maxrto;
5551 if (srto->srto_min)
5552 new_min = srto->srto_min;
5553 else
5554 new_min = inp->sctp_ep.sctp_minrto;
5555 if ((new_min <= new_init) && (new_init <= new_max)) {
5556 inp->sctp_ep.initial_rto = new_init;
5557 inp->sctp_ep.sctp_maxrto = new_max;
5558 inp->sctp_ep.sctp_minrto = new_min;
5559 } else {
5560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5561 error = EINVAL;
5562 }
5563 SCTP_INP_WUNLOCK(inp);
5564 } else {
5565 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5566 error = EINVAL;
5567 }
5568 }
5569 break;
5570 }
5571 case SCTP_ASSOCINFO:
5572 {
5573 struct sctp_assocparams *sasoc;
5574
5575 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize);
5576 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
5577 if (sasoc->sasoc_cookie_life) {
5578 /* boundary check the cookie life */
5579 if (sasoc->sasoc_cookie_life < 1000)
5580 sasoc->sasoc_cookie_life = 1000;
5581 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) {
5582 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE;
5583 }
5584 }
5585 if (stcb) {
5586 if (sasoc->sasoc_asocmaxrxt)
5587 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
5588 if (sasoc->sasoc_cookie_life) {
5589 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
5590 }
5591 SCTP_TCB_UNLOCK(stcb);
5592 } else {
5593 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5594 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5595 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
5596 SCTP_INP_WLOCK(inp);
5597 if (sasoc->sasoc_asocmaxrxt)
5598 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
5599 if (sasoc->sasoc_cookie_life) {
5600 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
5601 }
5602 SCTP_INP_WUNLOCK(inp);
5603 } else {
5604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5605 error = EINVAL;
5606 }
5607 }
5608 break;
5609 }
5610 case SCTP_INITMSG:
5611 {
5612 struct sctp_initmsg *sinit;
5613
5614 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize);
5615 SCTP_INP_WLOCK(inp);
5616 if (sinit->sinit_num_ostreams)
5617 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams;
5618
5619 if (sinit->sinit_max_instreams)
5620 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams;
5621
5622 if (sinit->sinit_max_attempts)
5623 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts;
5624
5625 if (sinit->sinit_max_init_timeo)
5626 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo;
5627 SCTP_INP_WUNLOCK(inp);
5628 break;
5629 }
5630 case SCTP_PRIMARY_ADDR:
5631 {
5632 struct sctp_setprim *spa;
5633 struct sctp_nets *net;
5634 struct sockaddr *addr;
5635
5636 #if defined(INET) && defined(INET6)
5637 struct sockaddr_in sin_store;
5638
5639 #endif
5640
5641 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize);
5642 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id);
5643
5644 #if defined(INET) && defined(INET6)
5645 if (spa->ssp_addr.ss_family == AF_INET6) {
5646 struct sockaddr_in6 *sin6;
5647
5648 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr;
5649 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
5650 in6_sin6_2_sin(&sin_store, sin6);
5651 addr = (struct sockaddr *)&sin_store;
5652 } else {
5653 addr = (struct sockaddr *)&spa->ssp_addr;
5654 }
5655 } else {
5656 addr = (struct sockaddr *)&spa->ssp_addr;
5657 }
5658 #else
5659 addr = (struct sockaddr *)&spa->ssp_addr;
5660 #endif
5661 if (stcb != NULL) {
5662 net = sctp_findnet(stcb, addr);
5663 } else {
5664 /*
5665 * We increment here since
5666 * sctp_findassociation_ep_addr() wil do a
5667 * decrement if it finds the stcb as long as
5668 * the locked tcb (last argument) is NOT a
5669 * TCB.. aka NULL.
5670 */
5671 net = NULL;
5672 SCTP_INP_INCR_REF(inp);
5673 stcb = sctp_findassociation_ep_addr(&inp, addr,
5674 &net, NULL, NULL);
5675 if (stcb == NULL) {
5676 SCTP_INP_DECR_REF(inp);
5677 }
5678 }
5679
5680 if ((stcb != NULL) && (net != NULL)) {
5681 if ((net != stcb->asoc.primary_destination) &&
5682 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) {
5683 /* Ok we need to set it */
5684 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) {
5685 if ((stcb->asoc.alternate) &&
5686 (!(net->dest_state & SCTP_ADDR_PF)) &&
5687 (net->dest_state & SCTP_ADDR_REACHABLE)) {
5688 sctp_free_remote_addr(stcb->asoc.alternate);
5689 stcb->asoc.alternate = NULL;
5690 }
5691 }
5692 }
5693 } else {
5694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5695 error = EINVAL;
5696 }
5697 if (stcb != NULL) {
5698 SCTP_TCB_UNLOCK(stcb);
5699 }
5700 break;
5701 }
5702 case SCTP_SET_DYNAMIC_PRIMARY:
5703 {
5704 union sctp_sockstore *ss;
5705
5706 error = priv_check(curthread,
5707 PRIV_NETINET_RESERVEDPORT);
5708 if (error)
5709 break;
5710
5711 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize);
5712 /* SUPER USER CHECK? */
5713 error = sctp_dynamic_set_primary(&ss->sa, vrf_id);
5714 break;
5715 }
5716 case SCTP_SET_PEER_PRIMARY_ADDR:
5717 {
5718 struct sctp_setpeerprim *sspp;
5719 struct sockaddr *addr;
5720
5721 #if defined(INET) && defined(INET6)
5722 struct sockaddr_in sin_store;
5723
5724 #endif
5725
5726 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize);
5727 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id);
5728 if (stcb != NULL) {
5729 struct sctp_ifa *ifa;
5730
5731 #if defined(INET) && defined(INET6)
5732 if (sspp->sspp_addr.ss_family == AF_INET6) {
5733 struct sockaddr_in6 *sin6;
5734
5735 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr;
5736 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
5737 in6_sin6_2_sin(&sin_store, sin6);
5738 addr = (struct sockaddr *)&sin_store;
5739 } else {
5740 addr = (struct sockaddr *)&sspp->sspp_addr;
5741 }
5742 } else {
5743 addr = (struct sockaddr *)&sspp->sspp_addr;
5744 }
5745 #else
5746 addr = (struct sockaddr *)&sspp->sspp_addr;
5747 #endif
5748 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED);
5749 if (ifa == NULL) {
5750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5751 error = EINVAL;
5752 goto out_of_it;
5753 }
5754 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
5755 /*
5756 * Must validate the ifa found is in
5757 * our ep
5758 */
5759 struct sctp_laddr *laddr;
5760 int found = 0;
5761
5762 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
5763 if (laddr->ifa == NULL) {
5764 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n",
5765 __FUNCTION__);
5766 continue;
5767 }
5768 if (laddr->ifa == ifa) {
5769 found = 1;
5770 break;
5771 }
5772 }
5773 if (!found) {
5774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5775 error = EINVAL;
5776 goto out_of_it;
5777 }
5778 } else {
5779 switch (addr->sa_family) {
5780 #ifdef INET
5781 case AF_INET:
5782 {
5783 struct sockaddr_in *sin;
5784
5785 sin = (struct sockaddr_in *)addr;
5786 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
5787 &sin->sin_addr) != 0) {
5788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5789 error = EINVAL;
5790 goto out_of_it;
5791 }
5792 break;
5793 }
5794 #endif
5795 #ifdef INET6
5796 case AF_INET6:
5797 {
5798 struct sockaddr_in6 *sin6;
5799
5800 sin6 = (struct sockaddr_in6 *)addr;
5801 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
5802 &sin6->sin6_addr) != 0) {
5803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5804 error = EINVAL;
5805 goto out_of_it;
5806 }
5807 break;
5808 }
5809 #endif
5810 default:
5811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5812 error = EINVAL;
5813 goto out_of_it;
5814 }
5815 }
5816 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) {
5817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5818 error = EINVAL;
5819 }
5820 out_of_it:
5821 SCTP_TCB_UNLOCK(stcb);
5822 } else {
5823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5824 error = EINVAL;
5825 }
5826 break;
5827 }
5828 case SCTP_BINDX_ADD_ADDR:
5829 {
5830 struct sctp_getaddresses *addrs;
5831 struct thread *td;
5832
5833 td = (struct thread *)p;
5834 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses,
5835 optsize);
5836 #ifdef INET
5837 if (addrs->addr->sa_family == AF_INET) {
5838 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
5839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5840 error = EINVAL;
5841 break;
5842 }
5843 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
5844 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5845 break;
5846 }
5847 } else
5848 #endif
5849 #ifdef INET6
5850 if (addrs->addr->sa_family == AF_INET6) {
5851 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
5852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5853 error = EINVAL;
5854 break;
5855 }
5856 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
5857 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
5858 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5859 break;
5860 }
5861 } else
5862 #endif
5863 {
5864 error = EAFNOSUPPORT;
5865 break;
5866 }
5867 sctp_bindx_add_address(so, inp, addrs->addr,
5868 addrs->sget_assoc_id, vrf_id,
5869 &error, p);
5870 break;
5871 }
5872 case SCTP_BINDX_REM_ADDR:
5873 {
5874 struct sctp_getaddresses *addrs;
5875 struct thread *td;
5876
5877 td = (struct thread *)p;
5878
5879 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize);
5880 #ifdef INET
5881 if (addrs->addr->sa_family == AF_INET) {
5882 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
5883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5884 error = EINVAL;
5885 break;
5886 }
5887 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
5888 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5889 break;
5890 }
5891 } else
5892 #endif
5893 #ifdef INET6
5894 if (addrs->addr->sa_family == AF_INET6) {
5895 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
5896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5897 error = EINVAL;
5898 break;
5899 }
5900 if (td != NULL &&
5901 (error = prison_local_ip6(td->td_ucred,
5902 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
5903 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
5904 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5905 break;
5906 }
5907 } else
5908 #endif
5909 {
5910 error = EAFNOSUPPORT;
5911 break;
5912 }
5913 sctp_bindx_delete_address(inp, addrs->addr,
5914 addrs->sget_assoc_id, vrf_id,
5915 &error);
5916 break;
5917 }
5918 case SCTP_EVENT:
5919 {
5920 struct sctp_event *event;
5921 uint32_t event_type;
5922
5923 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize);
5924 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
5925 switch (event->se_type) {
5926 case SCTP_ASSOC_CHANGE:
5927 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
5928 break;
5929 case SCTP_PEER_ADDR_CHANGE:
5930 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
5931 break;
5932 case SCTP_REMOTE_ERROR:
5933 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
5934 break;
5935 case SCTP_SEND_FAILED:
5936 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
5937 break;
5938 case SCTP_SHUTDOWN_EVENT:
5939 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
5940 break;
5941 case SCTP_ADAPTATION_INDICATION:
5942 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
5943 break;
5944 case SCTP_PARTIAL_DELIVERY_EVENT:
5945 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
5946 break;
5947 case SCTP_AUTHENTICATION_EVENT:
5948 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
5949 break;
5950 case SCTP_STREAM_RESET_EVENT:
5951 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
5952 break;
5953 case SCTP_SENDER_DRY_EVENT:
5954 event_type = SCTP_PCB_FLAGS_DRYEVNT;
5955 break;
5956 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
5957 event_type = 0;
5958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
5959 error = ENOTSUP;
5960 break;
5961 case SCTP_ASSOC_RESET_EVENT:
5962 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
5963 break;
5964 case SCTP_STREAM_CHANGE_EVENT:
5965 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
5966 break;
5967 case SCTP_SEND_FAILED_EVENT:
5968 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
5969 break;
5970 default:
5971 event_type = 0;
5972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5973 error = EINVAL;
5974 break;
5975 }
5976 if (event_type > 0) {
5977 if (stcb) {
5978 if (event->se_on) {
5979 sctp_stcb_feature_on(inp, stcb, event_type);
5980 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) {
5981 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
5982 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
5983 (stcb->asoc.stream_queue_cnt == 0)) {
5984 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
5985 }
5986 }
5987 } else {
5988 sctp_stcb_feature_off(inp, stcb, event_type);
5989 }
5990 SCTP_TCB_UNLOCK(stcb);
5991 } else {
5992 /*
5993 * We don't want to send up a storm
5994 * of events, so return an error for
5995 * sender dry events
5996 */
5997 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) &&
5998 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) &&
5999 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) &&
6000 ((event->se_assoc_id == SCTP_ALL_ASSOC) ||
6001 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) {
6002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
6003 error = ENOTSUP;
6004 break;
6005 }
6006 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6007 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6008 (event->se_assoc_id == SCTP_FUTURE_ASSOC) ||
6009 (event->se_assoc_id == SCTP_ALL_ASSOC)) {
6010 SCTP_INP_WLOCK(inp);
6011 if (event->se_on) {
6012 sctp_feature_on(inp, event_type);
6013 } else {
6014 sctp_feature_off(inp, event_type);
6015 }
6016 SCTP_INP_WUNLOCK(inp);
6017 }
6018 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) ||
6019 (event->se_assoc_id == SCTP_ALL_ASSOC)) {
6020 SCTP_INP_RLOCK(inp);
6021 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6022 SCTP_TCB_LOCK(stcb);
6023 if (event->se_on) {
6024 sctp_stcb_feature_on(inp, stcb, event_type);
6025 } else {
6026 sctp_stcb_feature_off(inp, stcb, event_type);
6027 }
6028 SCTP_TCB_UNLOCK(stcb);
6029 }
6030 SCTP_INP_RUNLOCK(inp);
6031 }
6032 }
6033 }
6034 break;
6035 }
6036 case SCTP_RECVRCVINFO:
6037 {
6038 int *onoff;
6039
6040 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
6041 SCTP_INP_WLOCK(inp);
6042 if (*onoff != 0) {
6043 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
6044 } else {
6045 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
6046 }
6047 SCTP_INP_WUNLOCK(inp);
6048 break;
6049 }
6050 case SCTP_RECVNXTINFO:
6051 {
6052 int *onoff;
6053
6054 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
6055 SCTP_INP_WLOCK(inp);
6056 if (*onoff != 0) {
6057 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
6058 } else {
6059 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
6060 }
6061 SCTP_INP_WUNLOCK(inp);
6062 break;
6063 }
6064 case SCTP_DEFAULT_SNDINFO:
6065 {
6066 struct sctp_sndinfo *info;
6067 uint16_t policy;
6068
6069 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize);
6070 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
6071
6072 if (stcb) {
6073 if (info->snd_sid < stcb->asoc.streamoutcnt) {
6074 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
6075 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
6076 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
6077 stcb->asoc.def_send.sinfo_flags |= policy;
6078 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
6079 stcb->asoc.def_send.sinfo_context = info->snd_context;
6080 } else {
6081 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6082 error = EINVAL;
6083 }
6084 SCTP_TCB_UNLOCK(stcb);
6085 } else {
6086 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6087 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6088 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) ||
6089 (info->snd_assoc_id == SCTP_ALL_ASSOC)) {
6090 SCTP_INP_WLOCK(inp);
6091 inp->def_send.sinfo_stream = info->snd_sid;
6092 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
6093 inp->def_send.sinfo_flags = info->snd_flags;
6094 inp->def_send.sinfo_flags |= policy;
6095 inp->def_send.sinfo_ppid = info->snd_ppid;
6096 inp->def_send.sinfo_context = info->snd_context;
6097 SCTP_INP_WUNLOCK(inp);
6098 }
6099 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) ||
6100 (info->snd_assoc_id == SCTP_ALL_ASSOC)) {
6101 SCTP_INP_RLOCK(inp);
6102 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6103 SCTP_TCB_LOCK(stcb);
6104 if (info->snd_sid < stcb->asoc.streamoutcnt) {
6105 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
6106 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
6107 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
6108 stcb->asoc.def_send.sinfo_flags |= policy;
6109 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
6110 stcb->asoc.def_send.sinfo_context = info->snd_context;
6111 }
6112 SCTP_TCB_UNLOCK(stcb);
6113 }
6114 SCTP_INP_RUNLOCK(inp);
6115 }
6116 }
6117 break;
6118 }
6119 case SCTP_DEFAULT_PRINFO:
6120 {
6121 struct sctp_default_prinfo *info;
6122
6123 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize);
6124 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
6125
6126 if (info->pr_policy > SCTP_PR_SCTP_MAX) {
6127 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6128 error = EINVAL;
6129 break;
6130 }
6131 if (stcb) {
6132 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
6133 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
6134 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
6135 SCTP_TCB_UNLOCK(stcb);
6136 } else {
6137 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6138 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6139 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) ||
6140 (info->pr_assoc_id == SCTP_ALL_ASSOC)) {
6141 SCTP_INP_WLOCK(inp);
6142 inp->def_send.sinfo_flags &= 0xfff0;
6143 inp->def_send.sinfo_flags |= info->pr_policy;
6144 inp->def_send.sinfo_timetolive = info->pr_value;
6145 SCTP_INP_WUNLOCK(inp);
6146 }
6147 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) ||
6148 (info->pr_assoc_id == SCTP_ALL_ASSOC)) {
6149 SCTP_INP_RLOCK(inp);
6150 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6151 SCTP_TCB_LOCK(stcb);
6152 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
6153 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
6154 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
6155 SCTP_TCB_UNLOCK(stcb);
6156 }
6157 SCTP_INP_RUNLOCK(inp);
6158 }
6159 }
6160 break;
6161 }
6162 case SCTP_PEER_ADDR_THLDS:
6163 /* Applies to the specific association */
6164 {
6165 struct sctp_paddrthlds *thlds;
6166 struct sctp_nets *net;
6167 struct sockaddr *addr;
6168
6169 #if defined(INET) && defined(INET6)
6170 struct sockaddr_in sin_store;
6171
6172 #endif
6173
6174 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize);
6175 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
6176
6177 #if defined(INET) && defined(INET6)
6178 if (thlds->spt_address.ss_family == AF_INET6) {
6179 struct sockaddr_in6 *sin6;
6180
6181 sin6 = (struct sockaddr_in6 *)&thlds->spt_address;
6182 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
6183 in6_sin6_2_sin(&sin_store, sin6);
6184 addr = (struct sockaddr *)&sin_store;
6185 } else {
6186 addr = (struct sockaddr *)&thlds->spt_address;
6187 }
6188 } else {
6189 addr = (struct sockaddr *)&thlds->spt_address;
6190 }
6191 #else
6192 addr = (struct sockaddr *)&thlds->spt_address;
6193 #endif
6194 if (stcb != NULL) {
6195 net = sctp_findnet(stcb, addr);
6196 } else {
6197 /*
6198 * We increment here since
6199 * sctp_findassociation_ep_addr() wil do a
6200 * decrement if it finds the stcb as long as
6201 * the locked tcb (last argument) is NOT a
6202 * TCB.. aka NULL.
6203 */
6204 net = NULL;
6205 SCTP_INP_INCR_REF(inp);
6206 stcb = sctp_findassociation_ep_addr(&inp, addr,
6207 &net, NULL, NULL);
6208 if (stcb == NULL) {
6209 SCTP_INP_DECR_REF(inp);
6210 }
6211 }
6212 if ((stcb != NULL) && (net == NULL)) {
6213 #ifdef INET
6214 if (addr->sa_family == AF_INET) {
6215
6216 struct sockaddr_in *sin;
6217
6218 sin = (struct sockaddr_in *)addr;
6219 if (sin->sin_addr.s_addr != INADDR_ANY) {
6220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6221 SCTP_TCB_UNLOCK(stcb);
6222 error = EINVAL;
6223 break;
6224 }
6225 } else
6226 #endif
6227 #ifdef INET6
6228 if (addr->sa_family == AF_INET6) {
6229 struct sockaddr_in6 *sin6;
6230
6231 sin6 = (struct sockaddr_in6 *)addr;
6232 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
6233 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6234 SCTP_TCB_UNLOCK(stcb);
6235 error = EINVAL;
6236 break;
6237 }
6238 } else
6239 #endif
6240 {
6241 error = EAFNOSUPPORT;
6242 SCTP_TCB_UNLOCK(stcb);
6243 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6244 break;
6245 }
6246 }
6247 if (stcb != NULL) {
6248 if (net != NULL) {
6249 net->failure_threshold = thlds->spt_pathmaxrxt;
6250 net->pf_threshold = thlds->spt_pathpfthld;
6251 if (net->dest_state & SCTP_ADDR_PF) {
6252 if ((net->error_count > net->failure_threshold) ||
6253 (net->error_count <= net->pf_threshold)) {
6254 net->dest_state &= ~SCTP_ADDR_PF;
6255 }
6256 } else {
6257 if ((net->error_count > net->pf_threshold) &&
6258 (net->error_count <= net->failure_threshold)) {
6259 net->dest_state |= SCTP_ADDR_PF;
6260 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
6261 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
6262 stcb->sctp_ep, stcb, net,
6263 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17);
6264 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
6265 }
6266 }
6267 if (net->dest_state & SCTP_ADDR_REACHABLE) {
6268 if (net->error_count > net->failure_threshold) {
6269 net->dest_state &= ~SCTP_ADDR_REACHABLE;
6270 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
6271 }
6272 } else {
6273 if (net->error_count <= net->failure_threshold) {
6274 net->dest_state |= SCTP_ADDR_REACHABLE;
6275 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
6276 }
6277 }
6278 } else {
6279 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6280 net->failure_threshold = thlds->spt_pathmaxrxt;
6281 net->pf_threshold = thlds->spt_pathpfthld;
6282 if (net->dest_state & SCTP_ADDR_PF) {
6283 if ((net->error_count > net->failure_threshold) ||
6284 (net->error_count <= net->pf_threshold)) {
6285 net->dest_state &= ~SCTP_ADDR_PF;
6286 }
6287 } else {
6288 if ((net->error_count > net->pf_threshold) &&
6289 (net->error_count <= net->failure_threshold)) {
6290 net->dest_state |= SCTP_ADDR_PF;
6291 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
6292 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
6293 stcb->sctp_ep, stcb, net,
6294 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18);
6295 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
6296 }
6297 }
6298 if (net->dest_state & SCTP_ADDR_REACHABLE) {
6299 if (net->error_count > net->failure_threshold) {
6300 net->dest_state &= ~SCTP_ADDR_REACHABLE;
6301 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
6302 }
6303 } else {
6304 if (net->error_count <= net->failure_threshold) {
6305 net->dest_state |= SCTP_ADDR_REACHABLE;
6306 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
6307 }
6308 }
6309 }
6310 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt;
6311 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld;
6312 }
6313 SCTP_TCB_UNLOCK(stcb);
6314 } else {
6315 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6316 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6317 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) {
6318 SCTP_INP_WLOCK(inp);
6319 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt;
6320 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld;
6321 SCTP_INP_WUNLOCK(inp);
6322 } else {
6323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6324 error = EINVAL;
6325 }
6326 }
6327 break;
6328 }
6329 case SCTP_REMOTE_UDP_ENCAPS_PORT:
6330 {
6331 struct sctp_udpencaps *encaps;
6332 struct sctp_nets *net;
6333 struct sockaddr *addr;
6334
6335 #if defined(INET) && defined(INET6)
6336 struct sockaddr_in sin_store;
6337
6338 #endif
6339
6340 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize);
6341 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
6342
6343 #if defined(INET) && defined(INET6)
6344 if (encaps->sue_address.ss_family == AF_INET6) {
6345 struct sockaddr_in6 *sin6;
6346
6347 sin6 = (struct sockaddr_in6 *)&encaps->sue_address;
6348 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
6349 in6_sin6_2_sin(&sin_store, sin6);
6350 addr = (struct sockaddr *)&sin_store;
6351 } else {
6352 addr = (struct sockaddr *)&encaps->sue_address;
6353 }
6354 } else {
6355 addr = (struct sockaddr *)&encaps->sue_address;
6356 }
6357 #else
6358 addr = (struct sockaddr *)&encaps->sue_address;
6359 #endif
6360 if (stcb != NULL) {
6361 net = sctp_findnet(stcb, addr);
6362 } else {
6363 /*
6364 * We increment here since
6365 * sctp_findassociation_ep_addr() wil do a
6366 * decrement if it finds the stcb as long as
6367 * the locked tcb (last argument) is NOT a
6368 * TCB.. aka NULL.
6369 */
6370 net = NULL;
6371 SCTP_INP_INCR_REF(inp);
6372 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
6373 if (stcb == NULL) {
6374 SCTP_INP_DECR_REF(inp);
6375 }
6376 }
6377 if ((stcb != NULL) && (net == NULL)) {
6378 #ifdef INET
6379 if (addr->sa_family == AF_INET) {
6380
6381 struct sockaddr_in *sin;
6382
6383 sin = (struct sockaddr_in *)addr;
6384 if (sin->sin_addr.s_addr != INADDR_ANY) {
6385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6386 SCTP_TCB_UNLOCK(stcb);
6387 error = EINVAL;
6388 break;
6389 }
6390 } else
6391 #endif
6392 #ifdef INET6
6393 if (addr->sa_family == AF_INET6) {
6394 struct sockaddr_in6 *sin6;
6395
6396 sin6 = (struct sockaddr_in6 *)addr;
6397 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
6398 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6399 SCTP_TCB_UNLOCK(stcb);
6400 error = EINVAL;
6401 break;
6402 }
6403 } else
6404 #endif
6405 {
6406 error = EAFNOSUPPORT;
6407 SCTP_TCB_UNLOCK(stcb);
6408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6409 break;
6410 }
6411 }
6412 if (stcb != NULL) {
6413 if (net != NULL) {
6414 net->port = encaps->sue_port;
6415 } else {
6416 stcb->asoc.port = encaps->sue_port;
6417 }
6418 SCTP_TCB_UNLOCK(stcb);
6419 } else {
6420 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6421 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6422 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) {
6423 SCTP_INP_WLOCK(inp);
6424 inp->sctp_ep.port = encaps->sue_port;
6425 SCTP_INP_WUNLOCK(inp);
6426 } else {
6427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6428 error = EINVAL;
6429 }
6430 }
6431 break;
6432 }
6433 case SCTP_ECN_SUPPORTED:
6434 {
6435 struct sctp_assoc_value *av;
6436
6437 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6438 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6439
6440 if (stcb) {
6441 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6442 error = EINVAL;
6443 SCTP_TCB_UNLOCK(stcb);
6444 } else {
6445 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6446 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6447 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6448 SCTP_INP_WLOCK(inp);
6449 if (av->assoc_value == 0) {
6450 inp->ecn_supported = 0;
6451 } else {
6452 inp->ecn_supported = 1;
6453 }
6454 SCTP_INP_WUNLOCK(inp);
6455 } else {
6456 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6457 error = EINVAL;
6458 }
6459 }
6460 break;
6461 }
6462 case SCTP_PR_SUPPORTED:
6463 {
6464 struct sctp_assoc_value *av;
6465
6466 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6467 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6468
6469 if (stcb) {
6470 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6471 error = EINVAL;
6472 SCTP_TCB_UNLOCK(stcb);
6473 } else {
6474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6475 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6476 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6477 SCTP_INP_WLOCK(inp);
6478 if (av->assoc_value == 0) {
6479 inp->prsctp_supported = 0;
6480 } else {
6481 inp->prsctp_supported = 1;
6482 }
6483 SCTP_INP_WUNLOCK(inp);
6484 } else {
6485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6486 error = EINVAL;
6487 }
6488 }
6489 break;
6490 }
6491 case SCTP_AUTH_SUPPORTED:
6492 {
6493 struct sctp_assoc_value *av;
6494
6495 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6496 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6497
6498 if (stcb) {
6499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6500 error = EINVAL;
6501 SCTP_TCB_UNLOCK(stcb);
6502 } else {
6503 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6504 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6505 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6506 if ((av->assoc_value == 0) &&
6507 (inp->asconf_supported == 1)) {
6508 /*
6509 * AUTH is required for
6510 * ASCONF
6511 */
6512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6513 error = EINVAL;
6514 } else {
6515 SCTP_INP_WLOCK(inp);
6516 if (av->assoc_value == 0) {
6517 inp->auth_supported = 0;
6518 } else {
6519 inp->auth_supported = 1;
6520 }
6521 SCTP_INP_WUNLOCK(inp);
6522 }
6523 } else {
6524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6525 error = EINVAL;
6526 }
6527 }
6528 break;
6529 }
6530 case SCTP_ASCONF_SUPPORTED:
6531 {
6532 struct sctp_assoc_value *av;
6533
6534 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6535 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6536
6537 if (stcb) {
6538 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6539 error = EINVAL;
6540 SCTP_TCB_UNLOCK(stcb);
6541 } else {
6542 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6543 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6544 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6545 if ((av->assoc_value != 0) &&
6546 (inp->auth_supported == 0)) {
6547 /*
6548 * AUTH is required for
6549 * ASCONF
6550 */
6551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6552 error = EINVAL;
6553 } else {
6554 SCTP_INP_WLOCK(inp);
6555 if (av->assoc_value == 0) {
6556 inp->asconf_supported = 0;
6557 sctp_auth_delete_chunk(SCTP_ASCONF,
6558 inp->sctp_ep.local_auth_chunks);
6559 sctp_auth_delete_chunk(SCTP_ASCONF_ACK,
6560 inp->sctp_ep.local_auth_chunks);
6561 } else {
6562 inp->asconf_supported = 1;
6563 sctp_auth_add_chunk(SCTP_ASCONF,
6564 inp->sctp_ep.local_auth_chunks);
6565 sctp_auth_add_chunk(SCTP_ASCONF_ACK,
6566 inp->sctp_ep.local_auth_chunks);
6567 }
6568 SCTP_INP_WUNLOCK(inp);
6569 }
6570 } else {
6571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6572 error = EINVAL;
6573 }
6574 }
6575 break;
6576 }
6577 case SCTP_RECONFIG_SUPPORTED:
6578 {
6579 struct sctp_assoc_value *av;
6580
6581 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6582 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6583
6584 if (stcb) {
6585 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6586 error = EINVAL;
6587 SCTP_TCB_UNLOCK(stcb);
6588 } else {
6589 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6590 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6591 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6592 SCTP_INP_WLOCK(inp);
6593 if (av->assoc_value == 0) {
6594 inp->reconfig_supported = 0;
6595 } else {
6596 inp->reconfig_supported = 1;
6597 }
6598 SCTP_INP_WUNLOCK(inp);
6599 } else {
6600 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6601 error = EINVAL;
6602 }
6603 }
6604 break;
6605 }
6606 case SCTP_NRSACK_SUPPORTED:
6607 {
6608 struct sctp_assoc_value *av;
6609
6610 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6611 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6612
6613 if (stcb) {
6614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6615 error = EINVAL;
6616 SCTP_TCB_UNLOCK(stcb);
6617 } else {
6618 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6619 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6620 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6621 SCTP_INP_WLOCK(inp);
6622 if (av->assoc_value == 0) {
6623 inp->nrsack_supported = 0;
6624 } else {
6625 inp->nrsack_supported = 1;
6626 }
6627 SCTP_INP_WUNLOCK(inp);
6628 } else {
6629 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6630 error = EINVAL;
6631 }
6632 }
6633 break;
6634 }
6635 case SCTP_PKTDROP_SUPPORTED:
6636 {
6637 struct sctp_assoc_value *av;
6638
6639 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6640 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6641
6642 if (stcb) {
6643 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6644 error = EINVAL;
6645 SCTP_TCB_UNLOCK(stcb);
6646 } else {
6647 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6648 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6649 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6650 SCTP_INP_WLOCK(inp);
6651 if (av->assoc_value == 0) {
6652 inp->pktdrop_supported = 0;
6653 } else {
6654 inp->pktdrop_supported = 1;
6655 }
6656 SCTP_INP_WUNLOCK(inp);
6657 } else {
6658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6659 error = EINVAL;
6660 }
6661 }
6662 break;
6663 }
6664 case SCTP_MAX_CWND:
6665 {
6666 struct sctp_assoc_value *av;
6667 struct sctp_nets *net;
6668
6669 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6670 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6671
6672 if (stcb) {
6673 stcb->asoc.max_cwnd = av->assoc_value;
6674 if (stcb->asoc.max_cwnd > 0) {
6675 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6676 if ((net->cwnd > stcb->asoc.max_cwnd) &&
6677 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) {
6678 net->cwnd = stcb->asoc.max_cwnd;
6679 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) {
6680 net->cwnd = net->mtu - sizeof(struct sctphdr);
6681 }
6682 }
6683 }
6684 }
6685 SCTP_TCB_UNLOCK(stcb);
6686 } else {
6687 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6688 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6689 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6690 SCTP_INP_WLOCK(inp);
6691 inp->max_cwnd = av->assoc_value;
6692 SCTP_INP_WUNLOCK(inp);
6693 } else {
6694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6695 error = EINVAL;
6696 }
6697 }
6698 break;
6699 }
6700 default:
6701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
6702 error = ENOPROTOOPT;
6703 break;
6704 } /* end switch (opt) */
6705 return (error);
6706 }
6707
6708 int
6709 sctp_ctloutput(struct socket *so, struct sockopt *sopt)
6710 {
6711 void *optval = NULL;
6712 size_t optsize = 0;
6713 void *p;
6714 int error = 0;
6715
6716 if (sopt->sopt_level != IPPROTO_SCTP) {
6717 /* wrong proto level... send back up to IP */
6718 #ifdef INET6
6719 if (INP_CHECK_SOCKAF(so, AF_INET6))
6720 error = ip6_ctloutput(so, sopt);
6721 #endif /* INET6 */
6722 #if defined(INET) && defined(INET6)
6723 else
6724 #endif
6725 #ifdef INET
6726 error = ip_ctloutput(so, sopt);
6727 #endif
6728 return (error);
6729 }
6730 optsize = sopt->sopt_valsize;
6731 if (optsize) {
6732 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT);
6733 if (optval == NULL) {
6734 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
6735 return (ENOBUFS);
6736 }
6737 error = sooptcopyin(sopt, optval, optsize, optsize);
6738 if (error) {
6739 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6740 goto out;
6741 }
6742 }
6743 p = (void *)sopt->sopt_td;
6744 if (sopt->sopt_dir == SOPT_SET) {
6745 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p);
6746 } else if (sopt->sopt_dir == SOPT_GET) {
6747 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p);
6748 } else {
6749 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6750 error = EINVAL;
6751 }
6752 if ((error == 0) && (optval != NULL)) {
6753 error = sooptcopyout(sopt, optval, optsize);
6754 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6755 } else if (optval != NULL) {
6756 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6757 }
6758 out:
6759 return (error);
6760 }
6761
6762 #ifdef INET
6763 static int
6764 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
6765 {
6766 int error = 0;
6767 int create_lock_on = 0;
6768 uint32_t vrf_id;
6769 struct sctp_inpcb *inp;
6770 struct sctp_tcb *stcb = NULL;
6771
6772 inp = (struct sctp_inpcb *)so->so_pcb;
6773 if (inp == NULL) {
6774 /* I made the same as TCP since we are not setup? */
6775 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6776 return (ECONNRESET);
6777 }
6778 if (addr == NULL) {
6779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6780 return EINVAL;
6781 }
6782 switch (addr->sa_family) {
6783 #ifdef INET6
6784 case AF_INET6:
6785 {
6786 struct sockaddr_in6 *sin6p;
6787
6788 if (addr->sa_len != sizeof(struct sockaddr_in6)) {
6789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6790 return (EINVAL);
6791 }
6792 sin6p = (struct sockaddr_in6 *)addr;
6793 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) {
6794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6795 return (error);
6796 }
6797 break;
6798 }
6799 #endif
6800 #ifdef INET
6801 case AF_INET:
6802 {
6803 struct sockaddr_in *sinp;
6804
6805 if (addr->sa_len != sizeof(struct sockaddr_in)) {
6806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6807 return (EINVAL);
6808 }
6809 sinp = (struct sockaddr_in *)addr;
6810 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) {
6811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6812 return (error);
6813 }
6814 break;
6815 }
6816 #endif
6817 default:
6818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
6819 return (EAFNOSUPPORT);
6820 }
6821 SCTP_INP_INCR_REF(inp);
6822 SCTP_ASOC_CREATE_LOCK(inp);
6823 create_lock_on = 1;
6824
6825
6826 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
6827 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
6828 /* Should I really unlock ? */
6829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
6830 error = EFAULT;
6831 goto out_now;
6832 }
6833 #ifdef INET6
6834 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
6835 (addr->sa_family == AF_INET6)) {
6836 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6837 error = EINVAL;
6838 goto out_now;
6839 }
6840 #endif
6841 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
6842 SCTP_PCB_FLAGS_UNBOUND) {
6843 /* Bind a ephemeral port */
6844 error = sctp_inpcb_bind(so, NULL, NULL, p);
6845 if (error) {
6846 goto out_now;
6847 }
6848 }
6849 /* Now do we connect? */
6850 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
6851 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
6852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6853 error = EINVAL;
6854 goto out_now;
6855 }
6856 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
6857 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
6858 /* We are already connected AND the TCP model */
6859 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
6860 error = EADDRINUSE;
6861 goto out_now;
6862 }
6863 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
6864 SCTP_INP_RLOCK(inp);
6865 stcb = LIST_FIRST(&inp->sctp_asoc_list);
6866 SCTP_INP_RUNLOCK(inp);
6867 } else {
6868 /*
6869 * We increment here since sctp_findassociation_ep_addr()
6870 * will do a decrement if it finds the stcb as long as the
6871 * locked tcb (last argument) is NOT a TCB.. aka NULL.
6872 */
6873 SCTP_INP_INCR_REF(inp);
6874 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
6875 if (stcb == NULL) {
6876 SCTP_INP_DECR_REF(inp);
6877 } else {
6878 SCTP_TCB_UNLOCK(stcb);
6879 }
6880 }
6881 if (stcb != NULL) {
6882 /* Already have or am bring up an association */
6883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
6884 error = EALREADY;
6885 goto out_now;
6886 }
6887 vrf_id = inp->def_vrf_id;
6888 /* We are GOOD to go */
6889 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p);
6890 if (stcb == NULL) {
6891 /* Gak! no memory */
6892 goto out_now;
6893 }
6894 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
6895 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
6896 /* Set the connected flag so we can queue data */
6897 soisconnecting(so);
6898 }
6899 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
6900 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
6901
6902 /* initialize authentication parameters for the assoc */
6903 sctp_initialize_auth_params(inp, stcb);
6904
6905 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
6906 SCTP_TCB_UNLOCK(stcb);
6907 out_now:
6908 if (create_lock_on) {
6909 SCTP_ASOC_CREATE_UNLOCK(inp);
6910 }
6911 SCTP_INP_DECR_REF(inp);
6912 return (error);
6913 }
6914
6915 #endif
6916
6917 int
6918 sctp_listen(struct socket *so, int backlog, struct thread *p)
6919 {
6920 /*
6921 * Note this module depends on the protocol processing being called
6922 * AFTER any socket level flags and backlog are applied to the
6923 * socket. The traditional way that the socket flags are applied is
6924 * AFTER protocol processing. We have made a change to the
6925 * sys/kern/uipc_socket.c module to reverse this but this MUST be in
6926 * place if the socket API for SCTP is to work properly.
6927 */
6928
6929 int error = 0;
6930 struct sctp_inpcb *inp;
6931
6932 inp = (struct sctp_inpcb *)so->so_pcb;
6933 if (inp == NULL) {
6934 /* I made the same as TCP since we are not setup? */
6935 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6936 return (ECONNRESET);
6937 }
6938 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) {
6939 /* See if we have a listener */
6940 struct sctp_inpcb *tinp;
6941 union sctp_sockstore store;
6942
6943 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
6944 /* not bound all */
6945 struct sctp_laddr *laddr;
6946
6947 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
6948 memcpy(&store, &laddr->ifa->address, sizeof(store));
6949 switch (store.sa.sa_family) {
6950 #ifdef INET
6951 case AF_INET:
6952 store.sin.sin_port = inp->sctp_lport;
6953 break;
6954 #endif
6955 #ifdef INET6
6956 case AF_INET6:
6957 store.sin6.sin6_port = inp->sctp_lport;
6958 break;
6959 #endif
6960 default:
6961 break;
6962 }
6963 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id);
6964 if (tinp && (tinp != inp) &&
6965 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
6966 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
6967 (tinp->sctp_socket->so_qlimit)) {
6968 /*
6969 * we have a listener already and
6970 * its not this inp.
6971 */
6972 SCTP_INP_DECR_REF(tinp);
6973 return (EADDRINUSE);
6974 } else if (tinp) {
6975 SCTP_INP_DECR_REF(tinp);
6976 }
6977 }
6978 } else {
6979 /* Setup a local addr bound all */
6980 memset(&store, 0, sizeof(store));
6981 #ifdef INET6
6982 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
6983 store.sa.sa_family = AF_INET6;
6984 store.sa.sa_len = sizeof(struct sockaddr_in6);
6985 }
6986 #endif
6987 #ifdef INET
6988 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {
6989 store.sa.sa_family = AF_INET;
6990 store.sa.sa_len = sizeof(struct sockaddr_in);
6991 }
6992 #endif
6993 switch (store.sa.sa_family) {
6994 #ifdef INET
6995 case AF_INET:
6996 store.sin.sin_port = inp->sctp_lport;
6997 break;
6998 #endif
6999 #ifdef INET6
7000 case AF_INET6:
7001 store.sin6.sin6_port = inp->sctp_lport;
7002 break;
7003 #endif
7004 default:
7005 break;
7006 }
7007 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id);
7008 if (tinp && (tinp != inp) &&
7009 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
7010 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
7011 (tinp->sctp_socket->so_qlimit)) {
7012 /*
7013 * we have a listener already and its not
7014 * this inp.
7015 */
7016 SCTP_INP_DECR_REF(tinp);
7017 return (EADDRINUSE);
7018 } else if (tinp) {
7019 SCTP_INP_DECR_REF(tinp);
7020 }
7021 }
7022 }
7023 SCTP_INP_RLOCK(inp);
7024 #ifdef SCTP_LOCK_LOGGING
7025 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) {
7026 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
7027 }
7028 #endif
7029 SOCK_LOCK(so);
7030 error = solisten_proto_check(so);
7031 SOCK_UNLOCK(so);
7032 if (error) {
7033 SCTP_INP_RUNLOCK(inp);
7034 return (error);
7035 }
7036 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&
7037 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
7038 /*
7039 * The unlucky case - We are in the tcp pool with this guy.
7040 * - Someone else is in the main inp slot. - We must move
7041 * this guy (the listener) to the main slot - We must then
7042 * move the guy that was listener to the TCP Pool.
7043 */
7044 if (sctp_swap_inpcb_for_listen(inp)) {
7045 SCTP_INP_RUNLOCK(inp);
7046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
7047 return (EADDRINUSE);
7048 }
7049 }
7050 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
7051 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
7052 /* We are already connected AND the TCP model */
7053 SCTP_INP_RUNLOCK(inp);
7054 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
7055 return (EADDRINUSE);
7056 }
7057 SCTP_INP_RUNLOCK(inp);
7058 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
7059 /* We must do a bind. */
7060 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) {
7061 /* bind error, probably perm */
7062 return (error);
7063 }
7064 }
7065 SOCK_LOCK(so);
7066 /* It appears for 7.0 and on, we must always call this. */
7067 solisten_proto(so, backlog);
7068 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
7069 /* remove the ACCEPTCONN flag for one-to-many sockets */
7070 so->so_options &= ~SO_ACCEPTCONN;
7071 }
7072 if (backlog == 0) {
7073 /* turning off listen */
7074 so->so_options &= ~SO_ACCEPTCONN;
7075 }
7076 SOCK_UNLOCK(so);
7077 return (error);
7078 }
7079
7080 static int sctp_defered_wakeup_cnt = 0;
7081
7082 int
7083 sctp_accept(struct socket *so, struct sockaddr **addr)
7084 {
7085 struct sctp_tcb *stcb;
7086 struct sctp_inpcb *inp;
7087 union sctp_sockstore store;
7088
7089 #ifdef INET6
7090 int error;
7091
7092 #endif
7093 inp = (struct sctp_inpcb *)so->so_pcb;
7094
7095 if (inp == NULL) {
7096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7097 return (ECONNRESET);
7098 }
7099 SCTP_INP_RLOCK(inp);
7100 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
7101 SCTP_INP_RUNLOCK(inp);
7102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
7103 return (EOPNOTSUPP);
7104 }
7105 if (so->so_state & SS_ISDISCONNECTED) {
7106 SCTP_INP_RUNLOCK(inp);
7107 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED);
7108 return (ECONNABORTED);
7109 }
7110 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7111 if (stcb == NULL) {
7112 SCTP_INP_RUNLOCK(inp);
7113 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7114 return (ECONNRESET);
7115 }
7116 SCTP_TCB_LOCK(stcb);
7117 SCTP_INP_RUNLOCK(inp);
7118 store = stcb->asoc.primary_destination->ro._l_addr;
7119 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE;
7120 SCTP_TCB_UNLOCK(stcb);
7121 switch (store.sa.sa_family) {
7122 #ifdef INET
7123 case AF_INET:
7124 {
7125 struct sockaddr_in *sin;
7126
7127 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7128 if (sin == NULL)
7129 return (ENOMEM);
7130 sin->sin_family = AF_INET;
7131 sin->sin_len = sizeof(*sin);
7132 sin->sin_port = store.sin.sin_port;
7133 sin->sin_addr = store.sin.sin_addr;
7134 *addr = (struct sockaddr *)sin;
7135 break;
7136 }
7137 #endif
7138 #ifdef INET6
7139 case AF_INET6:
7140 {
7141 struct sockaddr_in6 *sin6;
7142
7143 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
7144 if (sin6 == NULL)
7145 return (ENOMEM);
7146 sin6->sin6_family = AF_INET6;
7147 sin6->sin6_len = sizeof(*sin6);
7148 sin6->sin6_port = store.sin6.sin6_port;
7149 sin6->sin6_addr = store.sin6.sin6_addr;
7150 if ((error = sa6_recoverscope(sin6)) != 0) {
7151 SCTP_FREE_SONAME(sin6);
7152 return (error);
7153 }
7154 *addr = (struct sockaddr *)sin6;
7155 break;
7156 }
7157 #endif
7158 default:
7159 /* TSNH */
7160 break;
7161 }
7162 /* Wake any delayed sleep action */
7163 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
7164 SCTP_INP_WLOCK(inp);
7165 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
7166 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
7167 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
7168 SCTP_INP_WUNLOCK(inp);
7169 SOCKBUF_LOCK(&inp->sctp_socket->so_snd);
7170 if (sowriteable(inp->sctp_socket)) {
7171 sowwakeup_locked(inp->sctp_socket);
7172 } else {
7173 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd);
7174 }
7175 SCTP_INP_WLOCK(inp);
7176 }
7177 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
7178 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
7179 SCTP_INP_WUNLOCK(inp);
7180 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv);
7181 if (soreadable(inp->sctp_socket)) {
7182 sctp_defered_wakeup_cnt++;
7183 sorwakeup_locked(inp->sctp_socket);
7184 } else {
7185 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv);
7186 }
7187 SCTP_INP_WLOCK(inp);
7188 }
7189 SCTP_INP_WUNLOCK(inp);
7190 }
7191 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
7192 SCTP_TCB_LOCK(stcb);
7193 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
7194 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19);
7195 }
7196 return (0);
7197 }
7198
7199 #ifdef INET
7200 int
7201 sctp_ingetaddr(struct socket *so, struct sockaddr **addr)
7202 {
7203 struct sockaddr_in *sin;
7204 uint32_t vrf_id;
7205 struct sctp_inpcb *inp;
7206 struct sctp_ifa *sctp_ifa;
7207
7208 /*
7209 * Do the malloc first in case it blocks.
7210 */
7211 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7212 if (sin == NULL)
7213 return (ENOMEM);
7214 sin->sin_family = AF_INET;
7215 sin->sin_len = sizeof(*sin);
7216 inp = (struct sctp_inpcb *)so->so_pcb;
7217 if (!inp) {
7218 SCTP_FREE_SONAME(sin);
7219 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7220 return (ECONNRESET);
7221 }
7222 SCTP_INP_RLOCK(inp);
7223 sin->sin_port = inp->sctp_lport;
7224 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
7225 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
7226 struct sctp_tcb *stcb;
7227 struct sockaddr_in *sin_a;
7228 struct sctp_nets *net;
7229 int fnd;
7230
7231 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7232 if (stcb == NULL) {
7233 goto notConn;
7234 }
7235 fnd = 0;
7236 sin_a = NULL;
7237 SCTP_TCB_LOCK(stcb);
7238 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
7239 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
7240 if (sin_a == NULL)
7241 /* this will make coverity happy */
7242 continue;
7243
7244 if (sin_a->sin_family == AF_INET) {
7245 fnd = 1;
7246 break;
7247 }
7248 }
7249 if ((!fnd) || (sin_a == NULL)) {
7250 /* punt */
7251 SCTP_TCB_UNLOCK(stcb);
7252 goto notConn;
7253 }
7254 vrf_id = inp->def_vrf_id;
7255 sctp_ifa = sctp_source_address_selection(inp,
7256 stcb,
7257 (sctp_route_t *) & net->ro,
7258 net, 0, vrf_id);
7259 if (sctp_ifa) {
7260 sin->sin_addr = sctp_ifa->address.sin.sin_addr;
7261 sctp_free_ifa(sctp_ifa);
7262 }
7263 SCTP_TCB_UNLOCK(stcb);
7264 } else {
7265 /* For the bound all case you get back 0 */
7266 notConn:
7267 sin->sin_addr.s_addr = 0;
7268 }
7269
7270 } else {
7271 /* Take the first IPv4 address in the list */
7272 struct sctp_laddr *laddr;
7273 int fnd = 0;
7274
7275 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
7276 if (laddr->ifa->address.sa.sa_family == AF_INET) {
7277 struct sockaddr_in *sin_a;
7278
7279 sin_a = &laddr->ifa->address.sin;
7280 sin->sin_addr = sin_a->sin_addr;
7281 fnd = 1;
7282 break;
7283 }
7284 }
7285 if (!fnd) {
7286 SCTP_FREE_SONAME(sin);
7287 SCTP_INP_RUNLOCK(inp);
7288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
7289 return (ENOENT);
7290 }
7291 }
7292 SCTP_INP_RUNLOCK(inp);
7293 (*addr) = (struct sockaddr *)sin;
7294 return (0);
7295 }
7296
7297 int
7298 sctp_peeraddr(struct socket *so, struct sockaddr **addr)
7299 {
7300 struct sockaddr_in *sin;
7301 int fnd;
7302 struct sockaddr_in *sin_a;
7303 struct sctp_inpcb *inp;
7304 struct sctp_tcb *stcb;
7305 struct sctp_nets *net;
7306
7307 /* Do the malloc first in case it blocks. */
7308 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7309 if (sin == NULL)
7310 return (ENOMEM);
7311 sin->sin_family = AF_INET;
7312 sin->sin_len = sizeof(*sin);
7313
7314 inp = (struct sctp_inpcb *)so->so_pcb;
7315 if ((inp == NULL) ||
7316 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
7317 /* UDP type and listeners will drop out here */
7318 SCTP_FREE_SONAME(sin);
7319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
7320 return (ENOTCONN);
7321 }
7322 SCTP_INP_RLOCK(inp);
7323 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7324 if (stcb) {
7325 SCTP_TCB_LOCK(stcb);
7326 }
7327 SCTP_INP_RUNLOCK(inp);
7328 if (stcb == NULL) {
7329 SCTP_FREE_SONAME(sin);
7330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7331 return (ECONNRESET);
7332 }
7333 fnd = 0;
7334 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
7335 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
7336 if (sin_a->sin_family == AF_INET) {
7337 fnd = 1;
7338 sin->sin_port = stcb->rport;
7339 sin->sin_addr = sin_a->sin_addr;
7340 break;
7341 }
7342 }
7343 SCTP_TCB_UNLOCK(stcb);
7344 if (!fnd) {
7345 /* No IPv4 address */
7346 SCTP_FREE_SONAME(sin);
7347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
7348 return (ENOENT);
7349 }
7350 (*addr) = (struct sockaddr *)sin;
7351 return (0);
7352 }
7353
7354 struct pr_usrreqs sctp_usrreqs = {
7355 .pru_abort = sctp_abort,
7356 .pru_accept = sctp_accept,
7357 .pru_attach = sctp_attach,
7358 .pru_bind = sctp_bind,
7359 .pru_connect = sctp_connect,
7360 .pru_control = in_control,
7361 .pru_close = sctp_close,
7362 .pru_detach = sctp_close,
7363 .pru_sopoll = sopoll_generic,
7364 .pru_flush = sctp_flush,
7365 .pru_disconnect = sctp_disconnect,
7366 .pru_listen = sctp_listen,
7367 .pru_peeraddr = sctp_peeraddr,
7368 .pru_send = sctp_sendm,
7369 .pru_shutdown = sctp_shutdown,
7370 .pru_sockaddr = sctp_ingetaddr,
7371 .pru_sosend = sctp_sosend,
7372 .pru_soreceive = sctp_soreceive
7373 };
7374
7375 #endif
7376