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: releng/9.2/sys/netinet/sctp_usrreq.c 252966 2013-07-07 16:13:54Z tuexen $");
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 #endif
43 #include <netinet/sctp_sysctl.h>
44 #include <netinet/sctp_output.h>
45 #include <netinet/sctp_uio.h>
46 #include <netinet/sctp_asconf.h>
47 #include <netinet/sctputil.h>
48 #include <netinet/sctp_indata.h>
49 #include <netinet/sctp_timer.h>
50 #include <netinet/sctp_auth.h>
51 #include <netinet/sctp_bsd_addr.h>
52 #include <netinet/udp.h>
53
54
55
56 extern struct sctp_cc_functions sctp_cc_functions[];
57 extern struct sctp_ss_functions sctp_ss_functions[];
58
59 void
60 sctp_init(void)
61 {
62 u_long sb_max_adj;
63
64 /* Initialize and modify the sysctled variables */
65 sctp_init_sysctls();
66 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
67 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8);
68 /*
69 * Allow a user to take no more than 1/2 the number of clusters or
70 * the SB_MAX whichever is smaller for the send window.
71 */
72 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES));
73 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj,
74 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT));
75 /*
76 * Now for the recv window, should we take the same amount? or
77 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For
78 * now I will just copy.
79 */
80 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace);
81 SCTP_BASE_VAR(first_time) = 0;
82 SCTP_BASE_VAR(sctp_pcb_initialized) = 0;
83 sctp_pcb_init();
84 #if defined(SCTP_PACKET_LOGGING)
85 SCTP_BASE_VAR(packet_log_writers) = 0;
86 SCTP_BASE_VAR(packet_log_end) = 0;
87 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE);
88 #endif
89 }
90
91 void
92 sctp_finish(void)
93 {
94 sctp_pcb_finish();
95 }
96
97
98
99 void
100 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz)
101 {
102 struct sctp_tmit_chunk *chk;
103 uint16_t overhead;
104
105 /* Adjust that too */
106 stcb->asoc.smallest_mtu = nxtsz;
107 /* now off to subtract IP_DF flag if needed */
108 overhead = IP_HDR_SIZE;
109 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) {
110 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id);
111 }
112 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) {
113 if ((chk->send_size + overhead) > nxtsz) {
114 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
115 }
116 }
117 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) {
118 if ((chk->send_size + overhead) > nxtsz) {
119 /*
120 * For this guy we also mark for immediate resend
121 * since we sent to big of chunk
122 */
123 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
124 if (chk->sent < SCTP_DATAGRAM_RESEND) {
125 sctp_flight_size_decrease(chk);
126 sctp_total_flight_decrease(stcb, chk);
127 }
128 if (chk->sent != SCTP_DATAGRAM_RESEND) {
129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
130 }
131 chk->sent = SCTP_DATAGRAM_RESEND;
132 chk->rec.data.doing_fast_retransmit = 0;
133 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) {
134 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
135 chk->whoTo->flight_size,
136 chk->book_size,
137 (uintptr_t) chk->whoTo,
138 chk->rec.data.TSN_seq);
139 }
140 /* Clear any time so NO RTT is being done */
141 chk->do_rtt = 0;
142 }
143 }
144 }
145
146 #ifdef INET
147 static void
148 sctp_notify_mbuf(struct sctp_inpcb *inp,
149 struct sctp_tcb *stcb,
150 struct sctp_nets *net,
151 struct ip *ip,
152 struct sctphdr *sh)
153 {
154 struct icmp *icmph;
155 int totsz, tmr_stopped = 0;
156 uint16_t nxtsz;
157
158 /* protection */
159 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
160 (ip == NULL) || (sh == NULL)) {
161 if (stcb != NULL) {
162 SCTP_TCB_UNLOCK(stcb);
163 }
164 return;
165 }
166 /* First job is to verify the vtag matches what I would send */
167 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
168 SCTP_TCB_UNLOCK(stcb);
169 return;
170 }
171 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
172 sizeof(struct ip)));
173 if (icmph->icmp_type != ICMP_UNREACH) {
174 /* We only care about unreachable */
175 SCTP_TCB_UNLOCK(stcb);
176 return;
177 }
178 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) {
179 /* not a unreachable message due to frag. */
180 SCTP_TCB_UNLOCK(stcb);
181 return;
182 }
183 totsz = ip->ip_len;
184
185 nxtsz = ntohs(icmph->icmp_nextmtu);
186 if (nxtsz == 0) {
187 /*
188 * old type router that does not tell us what the next size
189 * mtu is. Rats we will have to guess (in a educated fashion
190 * of course)
191 */
192 nxtsz = sctp_get_prev_mtu(totsz);
193 }
194 /* Stop any PMTU timer */
195 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
196 tmr_stopped = 1;
197 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
198 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1);
199 }
200 /* Adjust destination size limit */
201 if (net->mtu > nxtsz) {
202 net->mtu = nxtsz;
203 if (net->port) {
204 net->mtu -= sizeof(struct udphdr);
205 }
206 }
207 /* now what about the ep? */
208 if (stcb->asoc.smallest_mtu > nxtsz) {
209 sctp_pathmtu_adjustment(stcb, nxtsz);
210 }
211 if (tmr_stopped)
212 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
213
214 SCTP_TCB_UNLOCK(stcb);
215 }
216
217 #endif
218
219 void
220 sctp_notify(struct sctp_inpcb *inp,
221 struct ip *ip,
222 struct sctphdr *sh,
223 struct sockaddr *to,
224 struct sctp_tcb *stcb,
225 struct sctp_nets *net)
226 {
227 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
228 struct socket *so;
229
230 #endif
231 struct icmp *icmph;
232
233 /* protection */
234 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
235 (sh == NULL) || (to == NULL)) {
236 if (stcb)
237 SCTP_TCB_UNLOCK(stcb);
238 return;
239 }
240 /* First job is to verify the vtag matches what I would send */
241 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
242 SCTP_TCB_UNLOCK(stcb);
243 return;
244 }
245 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
246 sizeof(struct ip)));
247 if (icmph->icmp_type != ICMP_UNREACH) {
248 /* We only care about unreachable */
249 SCTP_TCB_UNLOCK(stcb);
250 return;
251 }
252 if ((icmph->icmp_code == ICMP_UNREACH_NET) ||
253 (icmph->icmp_code == ICMP_UNREACH_HOST) ||
254 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) ||
255 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) ||
256 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) ||
257 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) ||
258 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) ||
259 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) {
260
261 /*
262 * Hmm reachablity problems we must examine closely. If its
263 * not reachable, we may have lost a network. Or if there is
264 * NO protocol at the other end named SCTP. well we consider
265 * it a OOTB abort.
266 */
267 if (net->dest_state & SCTP_ADDR_REACHABLE) {
268 /* Ok that destination is NOT reachable */
269 net->dest_state &= ~SCTP_ADDR_REACHABLE;
270 net->dest_state &= ~SCTP_ADDR_PF;
271 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN,
272 stcb, 0,
273 (void *)net, SCTP_SO_NOT_LOCKED);
274 }
275 SCTP_TCB_UNLOCK(stcb);
276 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) ||
277 (icmph->icmp_code == ICMP_UNREACH_PORT)) {
278 /*
279 * Here the peer is either playing tricks on us, including
280 * an address that belongs to someone who does not support
281 * SCTP OR was a userland implementation that shutdown and
282 * now is dead. In either case treat it like a OOTB abort
283 * with no TCB
284 */
285 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED);
286 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
287 so = SCTP_INP_SO(inp);
288 atomic_add_int(&stcb->asoc.refcnt, 1);
289 SCTP_TCB_UNLOCK(stcb);
290 SCTP_SOCKET_LOCK(so, 1);
291 SCTP_TCB_LOCK(stcb);
292 atomic_subtract_int(&stcb->asoc.refcnt, 1);
293 #endif
294 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2);
295 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
296 SCTP_SOCKET_UNLOCK(so, 1);
297 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */
298 #endif
299 /* no need to unlock here, since the TCB is gone */
300 } else {
301 SCTP_TCB_UNLOCK(stcb);
302 }
303 }
304
305 #ifdef INET
306 void
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
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
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
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
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
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
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
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_DONTWAIT, 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, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3);
782 /* No unlock tcb assoc is gone */
783 return (0);
784 }
785 if (TAILQ_EMPTY(&asoc->send_queue) &&
786 TAILQ_EMPTY(&asoc->sent_queue) &&
787 (asoc->stream_queue_cnt == 0)) {
788 /* there is nothing queued to send, so done */
789 if (asoc->locked_on_sending) {
790 goto abort_anyway;
791 }
792 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&
793 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {
794 /* only send SHUTDOWN 1st time thru */
795 struct sctp_nets *netp;
796
797 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
798 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
799 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
800 }
801 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
802 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
803 sctp_stop_timers_for_shutdown(stcb);
804 if (stcb->asoc.alternate) {
805 netp = stcb->asoc.alternate;
806 } else {
807 netp = stcb->asoc.primary_destination;
808 }
809 sctp_send_shutdown(stcb, netp);
810 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
811 stcb->sctp_ep, stcb, netp);
812 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
813 stcb->sctp_ep, stcb, netp);
814 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
815 }
816 } else {
817 /*
818 * we still got (or just got) data to send,
819 * so set SHUTDOWN_PENDING
820 */
821 /*
822 * XXX sockets draft says that SCTP_EOF
823 * should be sent with no data. currently,
824 * we will allow user data to be sent first
825 * and move to SHUTDOWN-PENDING
826 */
827 struct sctp_nets *netp;
828
829 if (stcb->asoc.alternate) {
830 netp = stcb->asoc.alternate;
831 } else {
832 netp = stcb->asoc.primary_destination;
833 }
834
835 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
836 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
837 netp);
838 if (asoc->locked_on_sending) {
839 /* Locked to send out the data */
840 struct sctp_stream_queue_pending *sp;
841
842 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
843 if (sp == NULL) {
844 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
845 asoc->locked_on_sending->stream_no);
846 } else {
847 if ((sp->length == 0) && (sp->msg_is_complete == 0))
848 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
849 }
850 }
851 if (TAILQ_EMPTY(&asoc->send_queue) &&
852 TAILQ_EMPTY(&asoc->sent_queue) &&
853 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
854 struct mbuf *op_err;
855
856 abort_anyway:
857 op_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr),
858 0, M_DONTWAIT, 1, MT_DATA);
859 if (op_err) {
860 /*
861 * Fill in the user
862 * initiated abort
863 */
864 struct sctp_paramhdr *ph;
865
866 SCTP_BUF_LEN(op_err) = sizeof(struct sctp_paramhdr);
867 ph = mtod(op_err, struct sctp_paramhdr *);
868 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
869 ph->param_length = htons(SCTP_BUF_LEN(op_err));
870 }
871 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4;
872 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
873 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
874 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
875 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
876 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
877 }
878 SCTP_INP_RUNLOCK(inp);
879 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5);
880 return (0);
881 } else {
882 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
883 }
884 }
885 soisdisconnecting(so);
886 SCTP_TCB_UNLOCK(stcb);
887 SCTP_INP_RUNLOCK(inp);
888 return (0);
889 }
890 /* not reached */
891 } else {
892 /* UDP model does not support this */
893 SCTP_INP_RUNLOCK(inp);
894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
895 return (EOPNOTSUPP);
896 }
897 }
898
899 int
900 sctp_flush(struct socket *so, int how)
901 {
902 /*
903 * We will just clear out the values and let subsequent close clear
904 * out the data, if any. Note if the user did a shutdown(SHUT_RD)
905 * they will not be able to read the data, the socket will block
906 * that from happening.
907 */
908 struct sctp_inpcb *inp;
909
910 inp = (struct sctp_inpcb *)so->so_pcb;
911 if (inp == NULL) {
912 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
913 return (EINVAL);
914 }
915 SCTP_INP_RLOCK(inp);
916 /* For the 1 to many model this does nothing */
917 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
918 SCTP_INP_RUNLOCK(inp);
919 return (0);
920 }
921 SCTP_INP_RUNLOCK(inp);
922 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) {
923 /*
924 * First make sure the sb will be happy, we don't use these
925 * except maybe the count
926 */
927 SCTP_INP_WLOCK(inp);
928 SCTP_INP_READ_LOCK(inp);
929 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ;
930 SCTP_INP_READ_UNLOCK(inp);
931 SCTP_INP_WUNLOCK(inp);
932 so->so_rcv.sb_cc = 0;
933 so->so_rcv.sb_mbcnt = 0;
934 so->so_rcv.sb_mb = NULL;
935 }
936 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) {
937 /*
938 * First make sure the sb will be happy, we don't use these
939 * except maybe the count
940 */
941 so->so_snd.sb_cc = 0;
942 so->so_snd.sb_mbcnt = 0;
943 so->so_snd.sb_mb = NULL;
944
945 }
946 return (0);
947 }
948
949 int
950 sctp_shutdown(struct socket *so)
951 {
952 struct sctp_inpcb *inp;
953
954 inp = (struct sctp_inpcb *)so->so_pcb;
955 if (inp == NULL) {
956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
957 return (EINVAL);
958 }
959 SCTP_INP_RLOCK(inp);
960 /* For UDP model this is a invalid call */
961 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
962 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) {
963 /* Restore the flags that the soshutdown took away. */
964 SOCKBUF_LOCK(&so->so_rcv);
965 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
966 SOCKBUF_UNLOCK(&so->so_rcv);
967 /* This proc will wakeup for read and do nothing (I hope) */
968 SCTP_INP_RUNLOCK(inp);
969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
970 return (EOPNOTSUPP);
971 }
972 /*
973 * Ok if we reach here its the TCP model and it is either a SHUT_WR
974 * or SHUT_RDWR. This means we put the shutdown flag against it.
975 */
976 {
977 struct sctp_tcb *stcb;
978 struct sctp_association *asoc;
979
980 if ((so->so_state &
981 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) {
982 SCTP_INP_RUNLOCK(inp);
983 return (ENOTCONN);
984 }
985 socantsendmore(so);
986
987 stcb = LIST_FIRST(&inp->sctp_asoc_list);
988 if (stcb == NULL) {
989 /*
990 * Ok we hit the case that the shutdown call was
991 * made after an abort or something. Nothing to do
992 * now.
993 */
994 SCTP_INP_RUNLOCK(inp);
995 return (0);
996 }
997 SCTP_TCB_LOCK(stcb);
998 asoc = &stcb->asoc;
999 if (TAILQ_EMPTY(&asoc->send_queue) &&
1000 TAILQ_EMPTY(&asoc->sent_queue) &&
1001 (asoc->stream_queue_cnt == 0)) {
1002 if (asoc->locked_on_sending) {
1003 goto abort_anyway;
1004 }
1005 /* there is nothing queued to send, so I'm done... */
1006 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) {
1007 /* only send SHUTDOWN the first time through */
1008 struct sctp_nets *netp;
1009
1010 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
1011 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
1012 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
1013 }
1014 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
1015 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
1016 sctp_stop_timers_for_shutdown(stcb);
1017 if (stcb->asoc.alternate) {
1018 netp = stcb->asoc.alternate;
1019 } else {
1020 netp = stcb->asoc.primary_destination;
1021 }
1022 sctp_send_shutdown(stcb, netp);
1023 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
1024 stcb->sctp_ep, stcb, netp);
1025 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
1026 stcb->sctp_ep, stcb, netp);
1027 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
1028 }
1029 } else {
1030 /*
1031 * we still got (or just got) data to send, so set
1032 * SHUTDOWN_PENDING
1033 */
1034 struct sctp_nets *netp;
1035
1036 if (stcb->asoc.alternate) {
1037 netp = stcb->asoc.alternate;
1038 } else {
1039 netp = stcb->asoc.primary_destination;
1040 }
1041
1042 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
1043 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
1044 netp);
1045
1046 if (asoc->locked_on_sending) {
1047 /* Locked to send out the data */
1048 struct sctp_stream_queue_pending *sp;
1049
1050 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
1051 if (sp == NULL) {
1052 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
1053 asoc->locked_on_sending->stream_no);
1054 } else {
1055 if ((sp->length == 0) && (sp->msg_is_complete == 0)) {
1056 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
1057 }
1058 }
1059 }
1060 if (TAILQ_EMPTY(&asoc->send_queue) &&
1061 TAILQ_EMPTY(&asoc->sent_queue) &&
1062 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
1063 struct mbuf *op_err;
1064
1065 abort_anyway:
1066 op_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr),
1067 0, M_DONTWAIT, 1, MT_DATA);
1068 if (op_err) {
1069 /* Fill in the user initiated abort */
1070 struct sctp_paramhdr *ph;
1071
1072 SCTP_BUF_LEN(op_err) = sizeof(struct sctp_paramhdr);
1073 ph = mtod(op_err, struct sctp_paramhdr *);
1074 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
1075 ph->param_length = htons(SCTP_BUF_LEN(op_err));
1076 }
1077 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6;
1078 sctp_abort_an_association(stcb->sctp_ep, stcb,
1079 op_err, SCTP_SO_LOCKED);
1080 goto skip_unlock;
1081 } else {
1082 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
1083 }
1084 }
1085 SCTP_TCB_UNLOCK(stcb);
1086 }
1087 skip_unlock:
1088 SCTP_INP_RUNLOCK(inp);
1089 return (0);
1090 }
1091
1092 /*
1093 * copies a "user" presentable address and removes embedded scope, etc.
1094 * returns 0 on success, 1 on error
1095 */
1096 static uint32_t
1097 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa)
1098 {
1099 #ifdef INET6
1100 struct sockaddr_in6 lsa6;
1101
1102 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa,
1103 &lsa6);
1104 #endif
1105 memcpy(ss, sa, sa->sa_len);
1106 return (0);
1107 }
1108
1109
1110
1111 /*
1112 * NOTE: assumes addr lock is held
1113 */
1114 static size_t
1115 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp,
1116 struct sctp_tcb *stcb,
1117 size_t limit,
1118 struct sockaddr_storage *sas,
1119 uint32_t vrf_id)
1120 {
1121 struct sctp_ifn *sctp_ifn;
1122 struct sctp_ifa *sctp_ifa;
1123 int loopback_scope, ipv4_local_scope, local_scope, site_scope;
1124 size_t actual;
1125 int ipv4_addr_legal, ipv6_addr_legal;
1126 struct sctp_vrf *vrf;
1127
1128 actual = 0;
1129 if (limit <= 0)
1130 return (actual);
1131
1132 if (stcb) {
1133 /* Turn on all the appropriate scope */
1134 loopback_scope = stcb->asoc.scope.loopback_scope;
1135 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
1136 local_scope = stcb->asoc.scope.local_scope;
1137 site_scope = stcb->asoc.scope.site_scope;
1138 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
1139 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
1140 } else {
1141 /* Use generic values for endpoints. */
1142 loopback_scope = 1;
1143 ipv4_local_scope = 1;
1144 local_scope = 1;
1145 site_scope = 1;
1146 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
1147 ipv6_addr_legal = 1;
1148 if (SCTP_IPV6_V6ONLY(inp)) {
1149 ipv4_addr_legal = 0;
1150 } else {
1151 ipv4_addr_legal = 1;
1152 }
1153 } else {
1154 ipv6_addr_legal = 0;
1155 ipv4_addr_legal = 1;
1156 }
1157 }
1158 vrf = sctp_find_vrf(vrf_id);
1159 if (vrf == NULL) {
1160 return (0);
1161 }
1162 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1163 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1164 if ((loopback_scope == 0) &&
1165 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {
1166 /* Skip loopback if loopback_scope not set */
1167 continue;
1168 }
1169 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1170 if (stcb) {
1171 /*
1172 * For the BOUND-ALL case, the list
1173 * associated with a TCB is Always
1174 * considered a reverse list.. i.e.
1175 * it lists addresses that are NOT
1176 * part of the association. If this
1177 * is one of those we must skip it.
1178 */
1179 if (sctp_is_addr_restricted(stcb,
1180 sctp_ifa)) {
1181 continue;
1182 }
1183 }
1184 switch (sctp_ifa->address.sa.sa_family) {
1185 #ifdef INET
1186 case AF_INET:
1187 if (ipv4_addr_legal) {
1188 struct sockaddr_in *sin;
1189
1190 sin = (struct sockaddr_in *)&sctp_ifa->address.sa;
1191 if (sin->sin_addr.s_addr == 0) {
1192 /*
1193 * we skip
1194 * unspecifed
1195 * addresses
1196 */
1197 continue;
1198 }
1199 if ((ipv4_local_scope == 0) &&
1200 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
1201 continue;
1202 }
1203 #ifdef INET6
1204 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
1205 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas);
1206 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1207 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6));
1208 actual += sizeof(struct sockaddr_in6);
1209 } else {
1210 #endif
1211 memcpy(sas, sin, sizeof(*sin));
1212 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1213 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin));
1214 actual += sizeof(*sin);
1215 #ifdef INET6
1216 }
1217 #endif
1218 if (actual >= limit) {
1219 return (actual);
1220 }
1221 } else {
1222 continue;
1223 }
1224 break;
1225 #endif
1226 #ifdef INET6
1227 case AF_INET6:
1228 if (ipv6_addr_legal) {
1229 struct sockaddr_in6 *sin6;
1230
1231 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa;
1232 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
1233 /*
1234 * we skip
1235 * unspecifed
1236 * addresses
1237 */
1238 continue;
1239 }
1240 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
1241 if (local_scope == 0)
1242 continue;
1243 if (sin6->sin6_scope_id == 0) {
1244 if (sa6_recoverscope(sin6) != 0)
1245 /*
1246 *
1247 * bad
1248 *
1249 * li
1250 * nk
1251 *
1252 * loc
1253 * al
1254 *
1255 * add
1256 * re
1257 * ss
1258 * */
1259 continue;
1260 }
1261 }
1262 if ((site_scope == 0) &&
1263 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {
1264 continue;
1265 }
1266 memcpy(sas, sin6, sizeof(*sin6));
1267 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1268 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6));
1269 actual += sizeof(*sin6);
1270 if (actual >= limit) {
1271 return (actual);
1272 }
1273 } else {
1274 continue;
1275 }
1276 break;
1277 #endif
1278 default:
1279 /* TSNH */
1280 break;
1281 }
1282 }
1283 }
1284 } else {
1285 struct sctp_laddr *laddr;
1286
1287 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1288 if (stcb) {
1289 if (sctp_is_addr_restricted(stcb, laddr->ifa)) {
1290 continue;
1291 }
1292 }
1293 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa))
1294 continue;
1295 switch (laddr->ifa->address.sa.sa_family) {
1296 #ifdef INET
1297 case AF_INET:
1298 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1299 break;
1300 #endif
1301 #ifdef INET6
1302 case AF_INET6:
1303 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1304 break;
1305 #endif
1306 default:
1307 /* TSNH */
1308 break;
1309 }
1310 sas = (struct sockaddr_storage *)((caddr_t)sas +
1311 laddr->ifa->address.sa.sa_len);
1312 actual += laddr->ifa->address.sa.sa_len;
1313 if (actual >= limit) {
1314 return (actual);
1315 }
1316 }
1317 }
1318 return (actual);
1319 }
1320
1321 static size_t
1322 sctp_fill_up_addresses(struct sctp_inpcb *inp,
1323 struct sctp_tcb *stcb,
1324 size_t limit,
1325 struct sockaddr_storage *sas)
1326 {
1327 size_t size = 0;
1328
1329 SCTP_IPI_ADDR_RLOCK();
1330 /* fill up addresses for the endpoint's default vrf */
1331 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
1332 inp->def_vrf_id);
1333 SCTP_IPI_ADDR_RUNLOCK();
1334 return (size);
1335 }
1336
1337 /*
1338 * NOTE: assumes addr lock is held
1339 */
1340 static int
1341 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id)
1342 {
1343 int cnt = 0;
1344 struct sctp_vrf *vrf = NULL;
1345
1346 /*
1347 * In both sub-set bound an bound_all cases we return the MAXIMUM
1348 * number of addresses that you COULD get. In reality the sub-set
1349 * bound may have an exclusion list for a given TCB OR in the
1350 * bound-all case a TCB may NOT include the loopback or other
1351 * addresses as well.
1352 */
1353 vrf = sctp_find_vrf(vrf_id);
1354 if (vrf == NULL) {
1355 return (0);
1356 }
1357 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1358 struct sctp_ifn *sctp_ifn;
1359 struct sctp_ifa *sctp_ifa;
1360
1361 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1362 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1363 /* Count them if they are the right type */
1364 switch (sctp_ifa->address.sa.sa_family) {
1365 #ifdef INET
1366 case AF_INET:
1367 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1368 cnt += sizeof(struct sockaddr_in6);
1369 else
1370 cnt += sizeof(struct sockaddr_in);
1371 break;
1372 #endif
1373 #ifdef INET6
1374 case AF_INET6:
1375 cnt += sizeof(struct sockaddr_in6);
1376 break;
1377 #endif
1378 default:
1379 break;
1380 }
1381 }
1382 }
1383 } else {
1384 struct sctp_laddr *laddr;
1385
1386 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1387 switch (laddr->ifa->address.sa.sa_family) {
1388 #ifdef INET
1389 case AF_INET:
1390 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1391 cnt += sizeof(struct sockaddr_in6);
1392 else
1393 cnt += sizeof(struct sockaddr_in);
1394 break;
1395 #endif
1396 #ifdef INET6
1397 case AF_INET6:
1398 cnt += sizeof(struct sockaddr_in6);
1399 break;
1400 #endif
1401 default:
1402 break;
1403 }
1404 }
1405 }
1406 return (cnt);
1407 }
1408
1409 static int
1410 sctp_count_max_addresses(struct sctp_inpcb *inp)
1411 {
1412 int cnt = 0;
1413
1414 SCTP_IPI_ADDR_RLOCK();
1415 /* count addresses for the endpoint's default VRF */
1416 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id);
1417 SCTP_IPI_ADDR_RUNLOCK();
1418 return (cnt);
1419 }
1420
1421 static int
1422 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval,
1423 size_t optsize, void *p, int delay)
1424 {
1425 int error = 0;
1426 int creat_lock_on = 0;
1427 struct sctp_tcb *stcb = NULL;
1428 struct sockaddr *sa;
1429 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr;
1430 uint32_t vrf_id;
1431 int bad_addresses = 0;
1432 sctp_assoc_t *a_id;
1433
1434 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n");
1435
1436 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
1437 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
1438 /* We are already connected AND the TCP model */
1439 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
1440 return (EADDRINUSE);
1441 }
1442 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
1443 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
1444 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1445 return (EINVAL);
1446 }
1447 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
1448 SCTP_INP_RLOCK(inp);
1449 stcb = LIST_FIRST(&inp->sctp_asoc_list);
1450 SCTP_INP_RUNLOCK(inp);
1451 }
1452 if (stcb) {
1453 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
1454 return (EALREADY);
1455 }
1456 SCTP_INP_INCR_REF(inp);
1457 SCTP_ASOC_CREATE_LOCK(inp);
1458 creat_lock_on = 1;
1459 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
1460 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
1461 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
1462 error = EFAULT;
1463 goto out_now;
1464 }
1465 totaddrp = (int *)optval;
1466 totaddr = *totaddrp;
1467 sa = (struct sockaddr *)(totaddrp + 1);
1468 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses);
1469 if ((stcb != NULL) || bad_addresses) {
1470 /* Already have or am bring up an association */
1471 SCTP_ASOC_CREATE_UNLOCK(inp);
1472 creat_lock_on = 0;
1473 if (stcb)
1474 SCTP_TCB_UNLOCK(stcb);
1475 if (bad_addresses == 0) {
1476 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
1477 error = EALREADY;
1478 }
1479 goto out_now;
1480 }
1481 #ifdef INET6
1482 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
1483 (num_v6 > 0)) {
1484 error = EINVAL;
1485 goto out_now;
1486 }
1487 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
1488 (num_v4 > 0)) {
1489 struct in6pcb *inp6;
1490
1491 inp6 = (struct in6pcb *)inp;
1492 if (SCTP_IPV6_V6ONLY(inp6)) {
1493 /*
1494 * if IPV6_V6ONLY flag, ignore connections destined
1495 * to a v4 addr or v4-mapped addr
1496 */
1497 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1498 error = EINVAL;
1499 goto out_now;
1500 }
1501 }
1502 #endif /* INET6 */
1503 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
1504 SCTP_PCB_FLAGS_UNBOUND) {
1505 /* Bind a ephemeral port */
1506 error = sctp_inpcb_bind(so, NULL, NULL, p);
1507 if (error) {
1508 goto out_now;
1509 }
1510 }
1511 /* FIX ME: do we want to pass in a vrf on the connect call? */
1512 vrf_id = inp->def_vrf_id;
1513
1514
1515 /* We are GOOD to go */
1516 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id,
1517 (struct thread *)p
1518 );
1519 if (stcb == NULL) {
1520 /* Gak! no memory */
1521 goto out_now;
1522 }
1523 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
1524 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
1525 /* Set the connected flag so we can queue data */
1526 soisconnecting(so);
1527 }
1528 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
1529 /* move to second address */
1530 switch (sa->sa_family) {
1531 #ifdef INET
1532 case AF_INET:
1533 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in));
1534 break;
1535 #endif
1536 #ifdef INET6
1537 case AF_INET6:
1538 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6));
1539 break;
1540 #endif
1541 default:
1542 break;
1543 }
1544
1545 error = 0;
1546 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error);
1547 /* Fill in the return id */
1548 if (error) {
1549 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6);
1550 goto out_now;
1551 }
1552 a_id = (sctp_assoc_t *) optval;
1553 *a_id = sctp_get_associd(stcb);
1554
1555 /* initialize authentication parameters for the assoc */
1556 sctp_initialize_auth_params(inp, stcb);
1557
1558 if (delay) {
1559 /* doing delayed connection */
1560 stcb->asoc.delayed_connection = 1;
1561 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination);
1562 } else {
1563 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
1564 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
1565 }
1566 SCTP_TCB_UNLOCK(stcb);
1567 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
1568 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
1569 /* Set the connected flag so we can queue data */
1570 soisconnecting(so);
1571 }
1572 out_now:
1573 if (creat_lock_on) {
1574 SCTP_ASOC_CREATE_UNLOCK(inp);
1575 }
1576 SCTP_INP_DECR_REF(inp);
1577 return (error);
1578 }
1579
1580 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \
1581 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\
1582 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \
1583 SCTP_INP_RLOCK(inp); \
1584 stcb = LIST_FIRST(&inp->sctp_asoc_list); \
1585 if (stcb) { \
1586 SCTP_TCB_LOCK(stcb); \
1587 } \
1588 SCTP_INP_RUNLOCK(inp); \
1589 } else if (assoc_id > SCTP_ALL_ASSOC) { \
1590 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \
1591 if (stcb == NULL) { \
1592 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \
1593 error = ENOENT; \
1594 break; \
1595 } \
1596 } else { \
1597 stcb = NULL; \
1598 } \
1599 }
1600
1601
1602 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\
1603 if (size < sizeof(type)) { \
1604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \
1605 error = EINVAL; \
1606 break; \
1607 } else { \
1608 destp = (type *)srcp; \
1609 } \
1610 }
1611
1612 static int
1613 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
1614 void *p)
1615 {
1616 struct sctp_inpcb *inp = NULL;
1617 int error, val = 0;
1618 struct sctp_tcb *stcb = NULL;
1619
1620 if (optval == NULL) {
1621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1622 return (EINVAL);
1623 }
1624 inp = (struct sctp_inpcb *)so->so_pcb;
1625 if (inp == NULL) {
1626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1627 return EINVAL;
1628 }
1629 error = 0;
1630
1631 switch (optname) {
1632 case SCTP_NODELAY:
1633 case SCTP_AUTOCLOSE:
1634 case SCTP_EXPLICIT_EOR:
1635 case SCTP_AUTO_ASCONF:
1636 case SCTP_DISABLE_FRAGMENTS:
1637 case SCTP_I_WANT_MAPPED_V4_ADDR:
1638 case SCTP_USE_EXT_RCVINFO:
1639 SCTP_INP_RLOCK(inp);
1640 switch (optname) {
1641 case SCTP_DISABLE_FRAGMENTS:
1642 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT);
1643 break;
1644 case SCTP_I_WANT_MAPPED_V4_ADDR:
1645 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4);
1646 break;
1647 case SCTP_AUTO_ASCONF:
1648 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1649 /* only valid for bound all sockets */
1650 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);
1651 } else {
1652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1653 error = EINVAL;
1654 goto flags_out;
1655 }
1656 break;
1657 case SCTP_EXPLICIT_EOR:
1658 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR);
1659 break;
1660 case SCTP_NODELAY:
1661 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY);
1662 break;
1663 case SCTP_USE_EXT_RCVINFO:
1664 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO);
1665 break;
1666 case SCTP_AUTOCLOSE:
1667 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE))
1668 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time);
1669 else
1670 val = 0;
1671 break;
1672
1673 default:
1674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
1675 error = ENOPROTOOPT;
1676 } /* end switch (sopt->sopt_name) */
1677 if (*optsize < sizeof(val)) {
1678 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1679 error = EINVAL;
1680 }
1681 flags_out:
1682 SCTP_INP_RUNLOCK(inp);
1683 if (error == 0) {
1684 /* return the option value */
1685 *(int *)optval = val;
1686 *optsize = sizeof(val);
1687 }
1688 break;
1689 case SCTP_GET_PACKET_LOG:
1690 {
1691 #ifdef SCTP_PACKET_LOGGING
1692 uint8_t *target;
1693 int ret;
1694
1695 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize);
1696 ret = sctp_copy_out_packet_log(target, (int)*optsize);
1697 *optsize = ret;
1698 #else
1699 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1700 error = EOPNOTSUPP;
1701 #endif
1702 break;
1703 }
1704 case SCTP_REUSE_PORT:
1705 {
1706 uint32_t *value;
1707
1708 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
1709 /* Can't do this for a 1-m socket */
1710 error = EINVAL;
1711 break;
1712 }
1713 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1714 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
1715 *optsize = sizeof(uint32_t);
1716 break;
1717 }
1718 case SCTP_PARTIAL_DELIVERY_POINT:
1719 {
1720 uint32_t *value;
1721
1722 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1723 *value = inp->partial_delivery_point;
1724 *optsize = sizeof(uint32_t);
1725 break;
1726 }
1727 case SCTP_FRAGMENT_INTERLEAVE:
1728 {
1729 uint32_t *value;
1730
1731 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1732 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) {
1733 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) {
1734 *value = SCTP_FRAG_LEVEL_2;
1735 } else {
1736 *value = SCTP_FRAG_LEVEL_1;
1737 }
1738 } else {
1739 *value = SCTP_FRAG_LEVEL_0;
1740 }
1741 *optsize = sizeof(uint32_t);
1742 break;
1743 }
1744 case SCTP_CMT_ON_OFF:
1745 {
1746 struct sctp_assoc_value *av;
1747
1748 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1749 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1750 if (stcb) {
1751 av->assoc_value = stcb->asoc.sctp_cmt_on_off;
1752 SCTP_TCB_UNLOCK(stcb);
1753 } else {
1754 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1755 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1756 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1757 SCTP_INP_RLOCK(inp);
1758 av->assoc_value = inp->sctp_cmt_on_off;
1759 SCTP_INP_RUNLOCK(inp);
1760 } else {
1761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1762 error = EINVAL;
1763 }
1764 }
1765 if (error == 0) {
1766 *optsize = sizeof(struct sctp_assoc_value);
1767 }
1768 break;
1769 }
1770 case SCTP_PLUGGABLE_CC:
1771 {
1772 struct sctp_assoc_value *av;
1773
1774 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1775 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1776 if (stcb) {
1777 av->assoc_value = stcb->asoc.congestion_control_module;
1778 SCTP_TCB_UNLOCK(stcb);
1779 } else {
1780 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1781 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1782 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1783 SCTP_INP_RLOCK(inp);
1784 av->assoc_value = inp->sctp_ep.sctp_default_cc_module;
1785 SCTP_INP_RUNLOCK(inp);
1786 } else {
1787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1788 error = EINVAL;
1789 }
1790 }
1791 if (error == 0) {
1792 *optsize = sizeof(struct sctp_assoc_value);
1793 }
1794 break;
1795 }
1796 case SCTP_CC_OPTION:
1797 {
1798 struct sctp_cc_option *cc_opt;
1799
1800 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize);
1801 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
1802 if (stcb == NULL) {
1803 error = EINVAL;
1804 } else {
1805 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
1806 error = ENOTSUP;
1807 } else {
1808 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt);
1809 *optsize = sizeof(struct sctp_cc_option);
1810 }
1811 SCTP_TCB_UNLOCK(stcb);
1812 }
1813 break;
1814 }
1815 case SCTP_PLUGGABLE_SS:
1816 {
1817 struct sctp_assoc_value *av;
1818
1819 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1820 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1821 if (stcb) {
1822 av->assoc_value = stcb->asoc.stream_scheduling_module;
1823 SCTP_TCB_UNLOCK(stcb);
1824 } else {
1825 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1826 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1827 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1828 SCTP_INP_RLOCK(inp);
1829 av->assoc_value = inp->sctp_ep.sctp_default_ss_module;
1830 SCTP_INP_RUNLOCK(inp);
1831 } else {
1832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1833 error = EINVAL;
1834 }
1835 }
1836 if (error == 0) {
1837 *optsize = sizeof(struct sctp_assoc_value);
1838 }
1839 break;
1840 }
1841 case SCTP_SS_VALUE:
1842 {
1843 struct sctp_stream_value *av;
1844
1845 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize);
1846 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1847 if (stcb) {
1848 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
1849 &av->stream_value) < 0) {
1850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1851 error = EINVAL;
1852 } else {
1853 *optsize = sizeof(struct sctp_stream_value);
1854 }
1855 SCTP_TCB_UNLOCK(stcb);
1856 } else {
1857 /*
1858 * Can't get stream value without
1859 * association
1860 */
1861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1862 error = EINVAL;
1863 }
1864 break;
1865 }
1866 case SCTP_GET_ADDR_LEN:
1867 {
1868 struct sctp_assoc_value *av;
1869
1870 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1871 error = EINVAL;
1872 #ifdef INET
1873 if (av->assoc_value == AF_INET) {
1874 av->assoc_value = sizeof(struct sockaddr_in);
1875 error = 0;
1876 }
1877 #endif
1878 #ifdef INET6
1879 if (av->assoc_value == AF_INET6) {
1880 av->assoc_value = sizeof(struct sockaddr_in6);
1881 error = 0;
1882 }
1883 #endif
1884 if (error) {
1885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1886 } else {
1887 *optsize = sizeof(struct sctp_assoc_value);
1888 }
1889 break;
1890 }
1891 case SCTP_GET_ASSOC_NUMBER:
1892 {
1893 uint32_t *value, cnt;
1894
1895 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1896 cnt = 0;
1897 SCTP_INP_RLOCK(inp);
1898 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
1899 cnt++;
1900 }
1901 SCTP_INP_RUNLOCK(inp);
1902 *value = cnt;
1903 *optsize = sizeof(uint32_t);
1904 break;
1905 }
1906 case SCTP_GET_ASSOC_ID_LIST:
1907 {
1908 struct sctp_assoc_ids *ids;
1909 unsigned int at, limit;
1910
1911 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize);
1912 at = 0;
1913 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t);
1914 SCTP_INP_RLOCK(inp);
1915 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
1916 if (at < limit) {
1917 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb);
1918 } else {
1919 error = EINVAL;
1920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1921 break;
1922 }
1923 }
1924 SCTP_INP_RUNLOCK(inp);
1925 if (error == 0) {
1926 ids->gaids_number_of_ids = at;
1927 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t));
1928 }
1929 break;
1930 }
1931 case SCTP_CONTEXT:
1932 {
1933 struct sctp_assoc_value *av;
1934
1935 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1936 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1937
1938 if (stcb) {
1939 av->assoc_value = stcb->asoc.context;
1940 SCTP_TCB_UNLOCK(stcb);
1941 } else {
1942 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1943 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1944 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1945 SCTP_INP_RLOCK(inp);
1946 av->assoc_value = inp->sctp_context;
1947 SCTP_INP_RUNLOCK(inp);
1948 } else {
1949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1950 error = EINVAL;
1951 }
1952 }
1953 if (error == 0) {
1954 *optsize = sizeof(struct sctp_assoc_value);
1955 }
1956 break;
1957 }
1958 case SCTP_VRF_ID:
1959 {
1960 uint32_t *default_vrfid;
1961
1962 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize);
1963 *default_vrfid = inp->def_vrf_id;
1964 *optsize = sizeof(uint32_t);
1965 break;
1966 }
1967 case SCTP_GET_ASOC_VRF:
1968 {
1969 struct sctp_assoc_value *id;
1970
1971 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize);
1972 SCTP_FIND_STCB(inp, stcb, id->assoc_id);
1973 if (stcb == NULL) {
1974 error = EINVAL;
1975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1976 } else {
1977 id->assoc_value = stcb->asoc.vrf_id;
1978 *optsize = sizeof(struct sctp_assoc_value);
1979 }
1980 break;
1981 }
1982 case SCTP_GET_VRF_IDS:
1983 {
1984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1985 error = EOPNOTSUPP;
1986 break;
1987 }
1988 case SCTP_GET_NONCE_VALUES:
1989 {
1990 struct sctp_get_nonce_values *gnv;
1991
1992 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize);
1993 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id);
1994
1995 if (stcb) {
1996 gnv->gn_peers_tag = stcb->asoc.peer_vtag;
1997 gnv->gn_local_tag = stcb->asoc.my_vtag;
1998 SCTP_TCB_UNLOCK(stcb);
1999 *optsize = sizeof(struct sctp_get_nonce_values);
2000 } else {
2001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2002 error = ENOTCONN;
2003 }
2004 break;
2005 }
2006 case SCTP_DELAYED_SACK:
2007 {
2008 struct sctp_sack_info *sack;
2009
2010 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize);
2011 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
2012 if (stcb) {
2013 sack->sack_delay = stcb->asoc.delayed_ack;
2014 sack->sack_freq = stcb->asoc.sack_freq;
2015 SCTP_TCB_UNLOCK(stcb);
2016 } else {
2017 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2018 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2019 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) {
2020 SCTP_INP_RLOCK(inp);
2021 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]);
2022 sack->sack_freq = inp->sctp_ep.sctp_sack_freq;
2023 SCTP_INP_RUNLOCK(inp);
2024 } else {
2025 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2026 error = EINVAL;
2027 }
2028 }
2029 if (error == 0) {
2030 *optsize = sizeof(struct sctp_sack_info);
2031 }
2032 break;
2033 }
2034 case SCTP_GET_SNDBUF_USE:
2035 {
2036 struct sctp_sockstat *ss;
2037
2038 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize);
2039 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id);
2040
2041 if (stcb) {
2042 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size;
2043 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue +
2044 stcb->asoc.size_on_all_streams);
2045 SCTP_TCB_UNLOCK(stcb);
2046 *optsize = sizeof(struct sctp_sockstat);
2047 } else {
2048 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2049 error = ENOTCONN;
2050 }
2051 break;
2052 }
2053 case SCTP_MAX_BURST:
2054 {
2055 struct sctp_assoc_value *av;
2056
2057 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2058 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2059
2060 if (stcb) {
2061 av->assoc_value = stcb->asoc.max_burst;
2062 SCTP_TCB_UNLOCK(stcb);
2063 } else {
2064 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2065 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2066 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2067 SCTP_INP_RLOCK(inp);
2068 av->assoc_value = inp->sctp_ep.max_burst;
2069 SCTP_INP_RUNLOCK(inp);
2070 } else {
2071 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2072 error = EINVAL;
2073 }
2074 }
2075 if (error == 0) {
2076 *optsize = sizeof(struct sctp_assoc_value);
2077 }
2078 break;
2079 }
2080 case SCTP_MAXSEG:
2081 {
2082 struct sctp_assoc_value *av;
2083 int ovh;
2084
2085 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2086 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2087
2088 if (stcb) {
2089 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc);
2090 SCTP_TCB_UNLOCK(stcb);
2091 } else {
2092 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2093 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2094 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2095 SCTP_INP_RLOCK(inp);
2096 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
2097 ovh = SCTP_MED_OVERHEAD;
2098 } else {
2099 ovh = SCTP_MED_V4_OVERHEAD;
2100 }
2101 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT)
2102 av->assoc_value = 0;
2103 else
2104 av->assoc_value = inp->sctp_frag_point - ovh;
2105 SCTP_INP_RUNLOCK(inp);
2106 } else {
2107 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2108 error = EINVAL;
2109 }
2110 }
2111 if (error == 0) {
2112 *optsize = sizeof(struct sctp_assoc_value);
2113 }
2114 break;
2115 }
2116 case SCTP_GET_STAT_LOG:
2117 error = sctp_fill_stat_log(optval, optsize);
2118 break;
2119 case SCTP_EVENTS:
2120 {
2121 struct sctp_event_subscribe *events;
2122
2123 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize);
2124 memset(events, 0, sizeof(struct sctp_event_subscribe));
2125 SCTP_INP_RLOCK(inp);
2126 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT))
2127 events->sctp_data_io_event = 1;
2128
2129 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT))
2130 events->sctp_association_event = 1;
2131
2132 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT))
2133 events->sctp_address_event = 1;
2134
2135 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT))
2136 events->sctp_send_failure_event = 1;
2137
2138 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR))
2139 events->sctp_peer_error_event = 1;
2140
2141 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT))
2142 events->sctp_shutdown_event = 1;
2143
2144 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT))
2145 events->sctp_partial_delivery_event = 1;
2146
2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT))
2148 events->sctp_adaptation_layer_event = 1;
2149
2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT))
2151 events->sctp_authentication_event = 1;
2152
2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT))
2154 events->sctp_sender_dry_event = 1;
2155
2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT))
2157 events->sctp_stream_reset_event = 1;
2158 SCTP_INP_RUNLOCK(inp);
2159 *optsize = sizeof(struct sctp_event_subscribe);
2160 break;
2161 }
2162 case SCTP_ADAPTATION_LAYER:
2163 {
2164 uint32_t *value;
2165
2166 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2167
2168 SCTP_INP_RLOCK(inp);
2169 *value = inp->sctp_ep.adaptation_layer_indicator;
2170 SCTP_INP_RUNLOCK(inp);
2171 *optsize = sizeof(uint32_t);
2172 break;
2173 }
2174 case SCTP_SET_INITIAL_DBG_SEQ:
2175 {
2176 uint32_t *value;
2177
2178 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2179 SCTP_INP_RLOCK(inp);
2180 *value = inp->sctp_ep.initial_sequence_debug;
2181 SCTP_INP_RUNLOCK(inp);
2182 *optsize = sizeof(uint32_t);
2183 break;
2184 }
2185 case SCTP_GET_LOCAL_ADDR_SIZE:
2186 {
2187 uint32_t *value;
2188
2189 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2190 SCTP_INP_RLOCK(inp);
2191 *value = sctp_count_max_addresses(inp);
2192 SCTP_INP_RUNLOCK(inp);
2193 *optsize = sizeof(uint32_t);
2194 break;
2195 }
2196 case SCTP_GET_REMOTE_ADDR_SIZE:
2197 {
2198 uint32_t *value;
2199 size_t size;
2200 struct sctp_nets *net;
2201
2202 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2203 /* FIXME MT: change to sctp_assoc_value? */
2204 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value);
2205
2206 if (stcb) {
2207 size = 0;
2208 /* Count the sizes */
2209 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2210 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2211 size += sizeof(struct sockaddr_in6);
2212 } else {
2213 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) {
2214 #ifdef INET
2215 case AF_INET:
2216 size += sizeof(struct sockaddr_in);
2217 break;
2218 #endif
2219 #ifdef INET6
2220 case AF_INET6:
2221 size += sizeof(struct sockaddr_in6);
2222 break;
2223 #endif
2224 default:
2225 break;
2226 }
2227 }
2228 }
2229 SCTP_TCB_UNLOCK(stcb);
2230 *value = (uint32_t) size;
2231 *optsize = sizeof(uint32_t);
2232 } else {
2233 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2234 error = ENOTCONN;
2235 }
2236 break;
2237 }
2238 case SCTP_GET_PEER_ADDRESSES:
2239 /*
2240 * Get the address information, an array is passed in to
2241 * fill up we pack it.
2242 */
2243 {
2244 size_t cpsz, left;
2245 struct sockaddr_storage *sas;
2246 struct sctp_nets *net;
2247 struct sctp_getaddresses *saddr;
2248
2249 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2250 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2251
2252 if (stcb) {
2253 left = (*optsize) - sizeof(struct sctp_getaddresses);
2254 *optsize = sizeof(struct sctp_getaddresses);
2255 sas = (struct sockaddr_storage *)&saddr->addr[0];
2256
2257 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2258 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2259 cpsz = sizeof(struct sockaddr_in6);
2260 } else {
2261 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) {
2262 #ifdef INET
2263 case AF_INET:
2264 cpsz = sizeof(struct sockaddr_in);
2265 break;
2266 #endif
2267 #ifdef INET6
2268 case AF_INET6:
2269 cpsz = sizeof(struct sockaddr_in6);
2270 break;
2271 #endif
2272 default:
2273 cpsz = 0;
2274 break;
2275 }
2276 }
2277 if (cpsz == 0) {
2278 break;
2279 }
2280 if (left < cpsz) {
2281 /* not enough room. */
2282 break;
2283 }
2284 #if defined(INET) && defined(INET6)
2285 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) &&
2286 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) {
2287 /* Must map the address */
2288 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr,
2289 (struct sockaddr_in6 *)sas);
2290 } else {
2291 #endif
2292 memcpy(sas, &net->ro._l_addr, cpsz);
2293 #if defined(INET) && defined(INET6)
2294 }
2295 #endif
2296 ((struct sockaddr_in *)sas)->sin_port = stcb->rport;
2297
2298 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz);
2299 left -= cpsz;
2300 *optsize += cpsz;
2301 }
2302 SCTP_TCB_UNLOCK(stcb);
2303 } else {
2304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2305 error = ENOENT;
2306 }
2307 break;
2308 }
2309 case SCTP_GET_LOCAL_ADDRESSES:
2310 {
2311 size_t limit, actual;
2312 struct sockaddr_storage *sas;
2313 struct sctp_getaddresses *saddr;
2314
2315 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2316 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2317
2318 sas = (struct sockaddr_storage *)&saddr->addr[0];
2319 limit = *optsize - sizeof(sctp_assoc_t);
2320 actual = sctp_fill_up_addresses(inp, stcb, limit, sas);
2321 if (stcb) {
2322 SCTP_TCB_UNLOCK(stcb);
2323 }
2324 *optsize = sizeof(struct sockaddr_storage) + actual;
2325 break;
2326 }
2327 case SCTP_PEER_ADDR_PARAMS:
2328 {
2329 struct sctp_paddrparams *paddrp;
2330 struct sctp_nets *net;
2331
2332 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize);
2333 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
2334
2335 net = NULL;
2336 if (stcb) {
2337 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
2338 } else {
2339 /*
2340 * We increment here since
2341 * sctp_findassociation_ep_addr() wil do a
2342 * decrement if it finds the stcb as long as
2343 * the locked tcb (last argument) is NOT a
2344 * TCB.. aka NULL.
2345 */
2346 SCTP_INP_INCR_REF(inp);
2347 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL);
2348 if (stcb == NULL) {
2349 SCTP_INP_DECR_REF(inp);
2350 }
2351 }
2352 if (stcb && (net == NULL)) {
2353 struct sockaddr *sa;
2354
2355 sa = (struct sockaddr *)&paddrp->spp_address;
2356 #ifdef INET
2357 if (sa->sa_family == AF_INET) {
2358 struct sockaddr_in *sin;
2359
2360 sin = (struct sockaddr_in *)sa;
2361 if (sin->sin_addr.s_addr) {
2362 error = EINVAL;
2363 SCTP_TCB_UNLOCK(stcb);
2364 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2365 break;
2366 }
2367 } else
2368 #endif
2369 #ifdef INET6
2370 if (sa->sa_family == AF_INET6) {
2371 struct sockaddr_in6 *sin6;
2372
2373 sin6 = (struct sockaddr_in6 *)sa;
2374 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
2375 error = EINVAL;
2376 SCTP_TCB_UNLOCK(stcb);
2377 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2378 break;
2379 }
2380 } else
2381 #endif
2382 {
2383 error = EAFNOSUPPORT;
2384 SCTP_TCB_UNLOCK(stcb);
2385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2386 break;
2387 }
2388 }
2389 if (stcb) {
2390 /* Applies to the specific association */
2391 paddrp->spp_flags = 0;
2392 if (net) {
2393 int ovh;
2394
2395 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
2396 ovh = SCTP_MED_OVERHEAD;
2397 } else {
2398 ovh = SCTP_MED_V4_OVERHEAD;
2399 }
2400
2401 paddrp->spp_hbinterval = net->heart_beat_delay;
2402 paddrp->spp_pathmaxrxt = net->failure_threshold;
2403 paddrp->spp_pathmtu = net->mtu - ovh;
2404 /* get flags for HB */
2405 if (net->dest_state & SCTP_ADDR_NOHB) {
2406 paddrp->spp_flags |= SPP_HB_DISABLE;
2407 } else {
2408 paddrp->spp_flags |= SPP_HB_ENABLE;
2409 }
2410 /* get flags for PMTU */
2411 if (net->dest_state & SCTP_ADDR_NO_PMTUD) {
2412 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2413 } else {
2414 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2415 }
2416 if (net->dscp & 0x01) {
2417 paddrp->spp_dscp = net->dscp & 0xfc;
2418 paddrp->spp_flags |= SPP_DSCP;
2419 }
2420 #ifdef INET6
2421 if ((net->ro._l_addr.sa.sa_family == AF_INET6) &&
2422 (net->flowlabel & 0x80000000)) {
2423 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff;
2424 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2425 }
2426 #endif
2427 } else {
2428 /*
2429 * No destination so return default
2430 * value
2431 */
2432 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
2433 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc);
2434 if (stcb->asoc.default_dscp & 0x01) {
2435 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc;
2436 paddrp->spp_flags |= SPP_DSCP;
2437 }
2438 #ifdef INET6
2439 if (stcb->asoc.default_flowlabel & 0x80000000) {
2440 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff;
2441 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2442 }
2443 #endif
2444 /* default settings should be these */
2445 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
2446 paddrp->spp_flags |= SPP_HB_DISABLE;
2447 } else {
2448 paddrp->spp_flags |= SPP_HB_ENABLE;
2449 }
2450 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
2451 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2452 } else {
2453 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2454 }
2455 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay;
2456 }
2457 paddrp->spp_assoc_id = sctp_get_associd(stcb);
2458 SCTP_TCB_UNLOCK(stcb);
2459 } else {
2460 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2461 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2462 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) {
2463 /* Use endpoint defaults */
2464 SCTP_INP_RLOCK(inp);
2465 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure;
2466 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]);
2467 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC;
2468 /* get inp's default */
2469 if (inp->sctp_ep.default_dscp & 0x01) {
2470 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc;
2471 paddrp->spp_flags |= SPP_DSCP;
2472 }
2473 #ifdef INET6
2474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
2475 (inp->sctp_ep.default_flowlabel & 0x80000000)) {
2476 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff;
2477 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2478 }
2479 #endif
2480 /* can't return this */
2481 paddrp->spp_pathmtu = 0;
2482
2483 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
2484 paddrp->spp_flags |= SPP_HB_ENABLE;
2485 } else {
2486 paddrp->spp_flags |= SPP_HB_DISABLE;
2487 }
2488 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
2489 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2490 } else {
2491 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2492 }
2493 SCTP_INP_RUNLOCK(inp);
2494 } else {
2495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2496 error = EINVAL;
2497 }
2498 }
2499 if (error == 0) {
2500 *optsize = sizeof(struct sctp_paddrparams);
2501 }
2502 break;
2503 }
2504 case SCTP_GET_PEER_ADDR_INFO:
2505 {
2506 struct sctp_paddrinfo *paddri;
2507 struct sctp_nets *net;
2508
2509 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize);
2510 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id);
2511
2512 net = NULL;
2513 if (stcb) {
2514 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address);
2515 } else {
2516 /*
2517 * We increment here since
2518 * sctp_findassociation_ep_addr() wil do a
2519 * decrement if it finds the stcb as long as
2520 * the locked tcb (last argument) is NOT a
2521 * TCB.. aka NULL.
2522 */
2523 SCTP_INP_INCR_REF(inp);
2524 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL);
2525 if (stcb == NULL) {
2526 SCTP_INP_DECR_REF(inp);
2527 }
2528 }
2529
2530 if ((stcb) && (net)) {
2531 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
2532 /* It's unconfirmed */
2533 paddri->spinfo_state = SCTP_UNCONFIRMED;
2534 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
2535 /* It's active */
2536 paddri->spinfo_state = SCTP_ACTIVE;
2537 } else {
2538 /* It's inactive */
2539 paddri->spinfo_state = SCTP_INACTIVE;
2540 }
2541 paddri->spinfo_cwnd = net->cwnd;
2542 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
2543 paddri->spinfo_rto = net->RTO;
2544 paddri->spinfo_assoc_id = sctp_get_associd(stcb);
2545 paddri->spinfo_mtu = net->mtu;
2546 SCTP_TCB_UNLOCK(stcb);
2547 *optsize = sizeof(struct sctp_paddrinfo);
2548 } else {
2549 if (stcb) {
2550 SCTP_TCB_UNLOCK(stcb);
2551 }
2552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2553 error = ENOENT;
2554 }
2555 break;
2556 }
2557 case SCTP_PCB_STATUS:
2558 {
2559 struct sctp_pcbinfo *spcb;
2560
2561 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize);
2562 sctp_fill_pcbinfo(spcb);
2563 *optsize = sizeof(struct sctp_pcbinfo);
2564 break;
2565 }
2566 case SCTP_STATUS:
2567 {
2568 struct sctp_nets *net;
2569 struct sctp_status *sstat;
2570
2571 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize);
2572 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id);
2573
2574 if (stcb == NULL) {
2575 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2576 error = EINVAL;
2577 break;
2578 }
2579 /*
2580 * I think passing the state is fine since
2581 * sctp_constants.h will be available to the user
2582 * land.
2583 */
2584 sstat->sstat_state = stcb->asoc.state;
2585 sstat->sstat_assoc_id = sctp_get_associd(stcb);
2586 sstat->sstat_rwnd = stcb->asoc.peers_rwnd;
2587 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt;
2588 /*
2589 * We can't include chunks that have been passed to
2590 * the socket layer. Only things in queue.
2591 */
2592 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue +
2593 stcb->asoc.cnt_on_all_streams);
2594
2595
2596 sstat->sstat_instrms = stcb->asoc.streamincnt;
2597 sstat->sstat_outstrms = stcb->asoc.streamoutcnt;
2598 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc);
2599 memcpy(&sstat->sstat_primary.spinfo_address,
2600 &stcb->asoc.primary_destination->ro._l_addr,
2601 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len);
2602 net = stcb->asoc.primary_destination;
2603 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport;
2604 /*
2605 * Again the user can get info from sctp_constants.h
2606 * for what the state of the network is.
2607 */
2608 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
2609 /* It's unconfirmed */
2610 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED;
2611 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
2612 /* It's active */
2613 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE;
2614 } else {
2615 /* It's inactive */
2616 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE;
2617 }
2618 sstat->sstat_primary.spinfo_cwnd = net->cwnd;
2619 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
2620 sstat->sstat_primary.spinfo_rto = net->RTO;
2621 sstat->sstat_primary.spinfo_mtu = net->mtu;
2622 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb);
2623 SCTP_TCB_UNLOCK(stcb);
2624 *optsize = sizeof(struct sctp_status);
2625 break;
2626 }
2627 case SCTP_RTOINFO:
2628 {
2629 struct sctp_rtoinfo *srto;
2630
2631 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize);
2632 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
2633
2634 if (stcb) {
2635 srto->srto_initial = stcb->asoc.initial_rto;
2636 srto->srto_max = stcb->asoc.maxrto;
2637 srto->srto_min = stcb->asoc.minrto;
2638 SCTP_TCB_UNLOCK(stcb);
2639 } else {
2640 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2641 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2642 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) {
2643 SCTP_INP_RLOCK(inp);
2644 srto->srto_initial = inp->sctp_ep.initial_rto;
2645 srto->srto_max = inp->sctp_ep.sctp_maxrto;
2646 srto->srto_min = inp->sctp_ep.sctp_minrto;
2647 SCTP_INP_RUNLOCK(inp);
2648 } else {
2649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2650 error = EINVAL;
2651 }
2652 }
2653 if (error == 0) {
2654 *optsize = sizeof(struct sctp_rtoinfo);
2655 }
2656 break;
2657 }
2658 case SCTP_TIMEOUTS:
2659 {
2660 struct sctp_timeouts *stimo;
2661
2662 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize);
2663 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id);
2664
2665 if (stcb) {
2666 stimo->stimo_init = stcb->asoc.timoinit;
2667 stimo->stimo_data = stcb->asoc.timodata;
2668 stimo->stimo_sack = stcb->asoc.timosack;
2669 stimo->stimo_shutdown = stcb->asoc.timoshutdown;
2670 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat;
2671 stimo->stimo_cookie = stcb->asoc.timocookie;
2672 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack;
2673 SCTP_TCB_UNLOCK(stcb);
2674 *optsize = sizeof(struct sctp_timeouts);
2675 } else {
2676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2677 error = EINVAL;
2678 }
2679 break;
2680 }
2681 case SCTP_ASSOCINFO:
2682 {
2683 struct sctp_assocparams *sasoc;
2684
2685 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize);
2686 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
2687
2688 if (stcb) {
2689 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life);
2690 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times;
2691 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
2692 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd;
2693 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd;
2694 SCTP_TCB_UNLOCK(stcb);
2695 } else {
2696 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2697 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2698 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
2699 SCTP_INP_RLOCK(inp);
2700 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life);
2701 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times;
2702 sasoc->sasoc_number_peer_destinations = 0;
2703 sasoc->sasoc_peer_rwnd = 0;
2704 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv);
2705 SCTP_INP_RUNLOCK(inp);
2706 } else {
2707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2708 error = EINVAL;
2709 }
2710 }
2711 if (error == 0) {
2712 *optsize = sizeof(struct sctp_assocparams);
2713 }
2714 break;
2715 }
2716 case SCTP_DEFAULT_SEND_PARAM:
2717 {
2718 struct sctp_sndrcvinfo *s_info;
2719
2720 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize);
2721 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
2722
2723 if (stcb) {
2724 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send));
2725 SCTP_TCB_UNLOCK(stcb);
2726 } else {
2727 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2728 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2729 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) {
2730 SCTP_INP_RLOCK(inp);
2731 memcpy(s_info, &inp->def_send, sizeof(inp->def_send));
2732 SCTP_INP_RUNLOCK(inp);
2733 } else {
2734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2735 error = EINVAL;
2736 }
2737 }
2738 if (error == 0) {
2739 *optsize = sizeof(struct sctp_sndrcvinfo);
2740 }
2741 break;
2742 }
2743 case SCTP_INITMSG:
2744 {
2745 struct sctp_initmsg *sinit;
2746
2747 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize);
2748 SCTP_INP_RLOCK(inp);
2749 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count;
2750 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome;
2751 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times;
2752 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max;
2753 SCTP_INP_RUNLOCK(inp);
2754 *optsize = sizeof(struct sctp_initmsg);
2755 break;
2756 }
2757 case SCTP_PRIMARY_ADDR:
2758 /* we allow a "get" operation on this */
2759 {
2760 struct sctp_setprim *ssp;
2761
2762 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize);
2763 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id);
2764
2765 if (stcb) {
2766 /* simply copy out the sockaddr_storage... */
2767 int len;
2768
2769 len = *optsize;
2770 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len)
2771 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len;
2772
2773 memcpy(&ssp->ssp_addr,
2774 &stcb->asoc.primary_destination->ro._l_addr,
2775 len);
2776 SCTP_TCB_UNLOCK(stcb);
2777 *optsize = sizeof(struct sctp_setprim);
2778 } else {
2779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2780 error = EINVAL;
2781 }
2782 break;
2783 }
2784 case SCTP_HMAC_IDENT:
2785 {
2786 struct sctp_hmacalgo *shmac;
2787 sctp_hmaclist_t *hmaclist;
2788 uint32_t size;
2789 int i;
2790
2791 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize);
2792
2793 SCTP_INP_RLOCK(inp);
2794 hmaclist = inp->sctp_ep.local_hmacs;
2795 if (hmaclist == NULL) {
2796 /* no HMACs to return */
2797 *optsize = sizeof(*shmac);
2798 SCTP_INP_RUNLOCK(inp);
2799 break;
2800 }
2801 /* is there room for all of the hmac ids? */
2802 size = sizeof(*shmac) + (hmaclist->num_algo *
2803 sizeof(shmac->shmac_idents[0]));
2804 if ((size_t)(*optsize) < size) {
2805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2806 error = EINVAL;
2807 SCTP_INP_RUNLOCK(inp);
2808 break;
2809 }
2810 /* copy in the list */
2811 shmac->shmac_number_of_idents = hmaclist->num_algo;
2812 for (i = 0; i < hmaclist->num_algo; i++) {
2813 shmac->shmac_idents[i] = hmaclist->hmac[i];
2814 }
2815 SCTP_INP_RUNLOCK(inp);
2816 *optsize = size;
2817 break;
2818 }
2819 case SCTP_AUTH_ACTIVE_KEY:
2820 {
2821 struct sctp_authkeyid *scact;
2822
2823 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize);
2824 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
2825
2826 if (stcb) {
2827 /* get the active key on the assoc */
2828 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid;
2829 SCTP_TCB_UNLOCK(stcb);
2830 } else {
2831 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2832 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2833 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) {
2834 /* get the endpoint active key */
2835 SCTP_INP_RLOCK(inp);
2836 scact->scact_keynumber = inp->sctp_ep.default_keyid;
2837 SCTP_INP_RUNLOCK(inp);
2838 } else {
2839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2840 error = EINVAL;
2841 }
2842 }
2843 if (error == 0) {
2844 *optsize = sizeof(struct sctp_authkeyid);
2845 }
2846 break;
2847 }
2848 case SCTP_LOCAL_AUTH_CHUNKS:
2849 {
2850 struct sctp_authchunks *sac;
2851 sctp_auth_chklist_t *chklist = NULL;
2852 size_t size = 0;
2853
2854 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
2855 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
2856
2857 if (stcb) {
2858 /* get off the assoc */
2859 chklist = stcb->asoc.local_auth_chunks;
2860 /* is there enough space? */
2861 size = sctp_auth_get_chklist_size(chklist);
2862 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2863 error = EINVAL;
2864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2865 } else {
2866 /* copy in the chunks */
2867 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2868 sac->gauth_number_of_chunks = (uint32_t) size;
2869 *optsize = sizeof(struct sctp_authchunks) + size;
2870 }
2871 SCTP_TCB_UNLOCK(stcb);
2872 } else {
2873 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2874 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2875 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) {
2876 /* get off the endpoint */
2877 SCTP_INP_RLOCK(inp);
2878 chklist = inp->sctp_ep.local_auth_chunks;
2879 /* is there enough space? */
2880 size = sctp_auth_get_chklist_size(chklist);
2881 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2882 error = EINVAL;
2883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2884 } else {
2885 /* copy in the chunks */
2886 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2887 sac->gauth_number_of_chunks = (uint32_t) size;
2888 *optsize = sizeof(struct sctp_authchunks) + size;
2889 }
2890 SCTP_INP_RUNLOCK(inp);
2891 } else {
2892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2893 error = EINVAL;
2894 }
2895 }
2896 break;
2897 }
2898 case SCTP_PEER_AUTH_CHUNKS:
2899 {
2900 struct sctp_authchunks *sac;
2901 sctp_auth_chklist_t *chklist = NULL;
2902 size_t size = 0;
2903
2904 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
2905 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
2906
2907 if (stcb) {
2908 /* get off the assoc */
2909 chklist = stcb->asoc.peer_auth_chunks;
2910 /* is there enough space? */
2911 size = sctp_auth_get_chklist_size(chklist);
2912 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2913 error = EINVAL;
2914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2915 } else {
2916 /* copy in the chunks */
2917 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2918 sac->gauth_number_of_chunks = (uint32_t) size;
2919 *optsize = sizeof(struct sctp_authchunks) + size;
2920 }
2921 SCTP_TCB_UNLOCK(stcb);
2922 } else {
2923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2924 error = ENOENT;
2925 }
2926 break;
2927 }
2928 case SCTP_EVENT:
2929 {
2930 struct sctp_event *event;
2931 uint32_t event_type;
2932
2933 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize);
2934 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
2935
2936 switch (event->se_type) {
2937 case SCTP_ASSOC_CHANGE:
2938 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
2939 break;
2940 case SCTP_PEER_ADDR_CHANGE:
2941 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
2942 break;
2943 case SCTP_REMOTE_ERROR:
2944 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
2945 break;
2946 case SCTP_SEND_FAILED:
2947 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
2948 break;
2949 case SCTP_SHUTDOWN_EVENT:
2950 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
2951 break;
2952 case SCTP_ADAPTATION_INDICATION:
2953 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
2954 break;
2955 case SCTP_PARTIAL_DELIVERY_EVENT:
2956 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
2957 break;
2958 case SCTP_AUTHENTICATION_EVENT:
2959 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
2960 break;
2961 case SCTP_STREAM_RESET_EVENT:
2962 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
2963 break;
2964 case SCTP_SENDER_DRY_EVENT:
2965 event_type = SCTP_PCB_FLAGS_DRYEVNT;
2966 break;
2967 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
2968 event_type = 0;
2969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
2970 error = ENOTSUP;
2971 break;
2972 case SCTP_ASSOC_RESET_EVENT:
2973 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
2974 break;
2975 case SCTP_STREAM_CHANGE_EVENT:
2976 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
2977 break;
2978 case SCTP_SEND_FAILED_EVENT:
2979 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
2980 break;
2981 default:
2982 event_type = 0;
2983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2984 error = EINVAL;
2985 break;
2986 }
2987 if (event_type > 0) {
2988 if (stcb) {
2989 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type);
2990 SCTP_TCB_UNLOCK(stcb);
2991 } else {
2992 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2993 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2994 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) {
2995 SCTP_INP_RLOCK(inp);
2996 event->se_on = sctp_is_feature_on(inp, event_type);
2997 SCTP_INP_RUNLOCK(inp);
2998 } else {
2999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3000 error = EINVAL;
3001 }
3002 }
3003 }
3004 if (error == 0) {
3005 *optsize = sizeof(struct sctp_event);
3006 }
3007 break;
3008 }
3009 case SCTP_RECVRCVINFO:
3010 {
3011 int onoff;
3012
3013 if (*optsize < sizeof(int)) {
3014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3015 error = EINVAL;
3016 } else {
3017 SCTP_INP_RLOCK(inp);
3018 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
3019 SCTP_INP_RUNLOCK(inp);
3020 }
3021 if (error == 0) {
3022 /* return the option value */
3023 *(int *)optval = onoff;
3024 *optsize = sizeof(int);
3025 }
3026 break;
3027 }
3028 case SCTP_RECVNXTINFO:
3029 {
3030 int onoff;
3031
3032 if (*optsize < sizeof(int)) {
3033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3034 error = EINVAL;
3035 } else {
3036 SCTP_INP_RLOCK(inp);
3037 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
3038 SCTP_INP_RUNLOCK(inp);
3039 }
3040 if (error == 0) {
3041 /* return the option value */
3042 *(int *)optval = onoff;
3043 *optsize = sizeof(int);
3044 }
3045 break;
3046 }
3047 case SCTP_DEFAULT_SNDINFO:
3048 {
3049 struct sctp_sndinfo *info;
3050
3051 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize);
3052 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
3053
3054 if (stcb) {
3055 info->snd_sid = stcb->asoc.def_send.sinfo_stream;
3056 info->snd_flags = stcb->asoc.def_send.sinfo_flags;
3057 info->snd_flags &= 0xfff0;
3058 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid;
3059 info->snd_context = stcb->asoc.def_send.sinfo_context;
3060 SCTP_TCB_UNLOCK(stcb);
3061 } else {
3062 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3063 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3064 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) {
3065 SCTP_INP_RLOCK(inp);
3066 info->snd_sid = inp->def_send.sinfo_stream;
3067 info->snd_flags = inp->def_send.sinfo_flags;
3068 info->snd_flags &= 0xfff0;
3069 info->snd_ppid = inp->def_send.sinfo_ppid;
3070 info->snd_context = inp->def_send.sinfo_context;
3071 SCTP_INP_RUNLOCK(inp);
3072 } else {
3073 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3074 error = EINVAL;
3075 }
3076 }
3077 if (error == 0) {
3078 *optsize = sizeof(struct sctp_sndinfo);
3079 }
3080 break;
3081 }
3082 case SCTP_DEFAULT_PRINFO:
3083 {
3084 struct sctp_default_prinfo *info;
3085
3086 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize);
3087 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
3088
3089 if (stcb) {
3090 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
3091 info->pr_value = stcb->asoc.def_send.sinfo_timetolive;
3092 SCTP_TCB_UNLOCK(stcb);
3093 } else {
3094 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3095 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3096 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) {
3097 SCTP_INP_RLOCK(inp);
3098 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
3099 info->pr_value = inp->def_send.sinfo_timetolive;
3100 SCTP_INP_RUNLOCK(inp);
3101 } else {
3102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3103 error = EINVAL;
3104 }
3105 }
3106 if (error == 0) {
3107 *optsize = sizeof(struct sctp_default_prinfo);
3108 }
3109 break;
3110 }
3111 case SCTP_PEER_ADDR_THLDS:
3112 {
3113 struct sctp_paddrthlds *thlds;
3114 struct sctp_nets *net;
3115
3116 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize);
3117 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
3118
3119 net = NULL;
3120 if (stcb) {
3121 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address);
3122 } else {
3123 /*
3124 * We increment here since
3125 * sctp_findassociation_ep_addr() wil do a
3126 * decrement if it finds the stcb as long as
3127 * the locked tcb (last argument) is NOT a
3128 * TCB.. aka NULL.
3129 */
3130 SCTP_INP_INCR_REF(inp);
3131 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL);
3132 if (stcb == NULL) {
3133 SCTP_INP_DECR_REF(inp);
3134 }
3135 }
3136 if (stcb && (net == NULL)) {
3137 struct sockaddr *sa;
3138
3139 sa = (struct sockaddr *)&thlds->spt_address;
3140 #ifdef INET
3141 if (sa->sa_family == AF_INET) {
3142 struct sockaddr_in *sin;
3143
3144 sin = (struct sockaddr_in *)sa;
3145 if (sin->sin_addr.s_addr) {
3146 error = EINVAL;
3147 SCTP_TCB_UNLOCK(stcb);
3148 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3149 break;
3150 }
3151 } else
3152 #endif
3153 #ifdef INET6
3154 if (sa->sa_family == AF_INET6) {
3155 struct sockaddr_in6 *sin6;
3156
3157 sin6 = (struct sockaddr_in6 *)sa;
3158 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3159 error = EINVAL;
3160 SCTP_TCB_UNLOCK(stcb);
3161 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3162 break;
3163 }
3164 } else
3165 #endif
3166 {
3167 error = EAFNOSUPPORT;
3168 SCTP_TCB_UNLOCK(stcb);
3169 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3170 break;
3171 }
3172 }
3173 if (stcb) {
3174 if (net) {
3175 thlds->spt_pathmaxrxt = net->failure_threshold;
3176 thlds->spt_pathpfthld = net->pf_threshold;
3177 } else {
3178 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure;
3179 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold;
3180 }
3181 thlds->spt_assoc_id = sctp_get_associd(stcb);
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 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) {
3187 /* Use endpoint defaults */
3188 SCTP_INP_RLOCK(inp);
3189 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure;
3190 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold;
3191 SCTP_INP_RUNLOCK(inp);
3192 } else {
3193 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3194 error = EINVAL;
3195 }
3196 }
3197 if (error == 0) {
3198 *optsize = sizeof(struct sctp_paddrthlds);
3199 }
3200 break;
3201 }
3202 case SCTP_REMOTE_UDP_ENCAPS_PORT:
3203 {
3204 struct sctp_udpencaps *encaps;
3205 struct sctp_nets *net;
3206
3207 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize);
3208 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
3209
3210 if (stcb) {
3211 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address);
3212 } else {
3213 /*
3214 * We increment here since
3215 * sctp_findassociation_ep_addr() wil do a
3216 * decrement if it finds the stcb as long as
3217 * the locked tcb (last argument) is NOT a
3218 * TCB.. aka NULL.
3219 */
3220 net = NULL;
3221 SCTP_INP_INCR_REF(inp);
3222 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL);
3223 if (stcb == NULL) {
3224 SCTP_INP_DECR_REF(inp);
3225 }
3226 }
3227 if (stcb && (net == NULL)) {
3228 struct sockaddr *sa;
3229
3230 sa = (struct sockaddr *)&encaps->sue_address;
3231 #ifdef INET
3232 if (sa->sa_family == AF_INET) {
3233 struct sockaddr_in *sin;
3234
3235 sin = (struct sockaddr_in *)sa;
3236 if (sin->sin_addr.s_addr) {
3237 error = EINVAL;
3238 SCTP_TCB_UNLOCK(stcb);
3239 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3240 break;
3241 }
3242 } else
3243 #endif
3244 #ifdef INET6
3245 if (sa->sa_family == AF_INET6) {
3246 struct sockaddr_in6 *sin6;
3247
3248 sin6 = (struct sockaddr_in6 *)sa;
3249 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3250 error = EINVAL;
3251 SCTP_TCB_UNLOCK(stcb);
3252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3253 break;
3254 }
3255 } else
3256 #endif
3257 {
3258 error = EAFNOSUPPORT;
3259 SCTP_TCB_UNLOCK(stcb);
3260 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3261 break;
3262 }
3263 }
3264 if (stcb) {
3265 if (net) {
3266 encaps->sue_port = net->port;
3267 } else {
3268 encaps->sue_port = stcb->asoc.port;
3269 }
3270 SCTP_TCB_UNLOCK(stcb);
3271 } else {
3272 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3273 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3274 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) {
3275 SCTP_INP_RLOCK(inp);
3276 encaps->sue_port = inp->sctp_ep.port;
3277 SCTP_INP_RUNLOCK(inp);
3278 } else {
3279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3280 error = EINVAL;
3281 }
3282 }
3283 if (error == 0) {
3284 *optsize = sizeof(struct sctp_paddrparams);
3285 }
3286 break;
3287 }
3288 case SCTP_ENABLE_STREAM_RESET:
3289 {
3290 struct sctp_assoc_value *av;
3291
3292 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3293 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3294
3295 if (stcb) {
3296 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support;
3297 SCTP_TCB_UNLOCK(stcb);
3298 } else {
3299 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3300 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3301 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3302 SCTP_INP_RLOCK(inp);
3303 av->assoc_value = (uint32_t) inp->local_strreset_support;
3304 SCTP_INP_RUNLOCK(inp);
3305 } else {
3306 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3307 error = EINVAL;
3308 }
3309 }
3310 if (error == 0) {
3311 *optsize = sizeof(struct sctp_assoc_value);
3312 }
3313 break;
3314 }
3315 default:
3316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
3317 error = ENOPROTOOPT;
3318 break;
3319 } /* end switch (sopt->sopt_name) */
3320 if (error) {
3321 *optsize = 0;
3322 }
3323 return (error);
3324 }
3325
3326 static int
3327 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
3328 void *p)
3329 {
3330 int error, set_opt;
3331 uint32_t *mopt;
3332 struct sctp_tcb *stcb = NULL;
3333 struct sctp_inpcb *inp = NULL;
3334 uint32_t vrf_id;
3335
3336 if (optval == NULL) {
3337 SCTP_PRINTF("optval is NULL\n");
3338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3339 return (EINVAL);
3340 }
3341 inp = (struct sctp_inpcb *)so->so_pcb;
3342 if (inp == NULL) {
3343 SCTP_PRINTF("inp is NULL?\n");
3344 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3345 return (EINVAL);
3346 }
3347 vrf_id = inp->def_vrf_id;
3348
3349 error = 0;
3350 switch (optname) {
3351 case SCTP_NODELAY:
3352 case SCTP_AUTOCLOSE:
3353 case SCTP_AUTO_ASCONF:
3354 case SCTP_EXPLICIT_EOR:
3355 case SCTP_DISABLE_FRAGMENTS:
3356 case SCTP_USE_EXT_RCVINFO:
3357 case SCTP_I_WANT_MAPPED_V4_ADDR:
3358 /* copy in the option value */
3359 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
3360 set_opt = 0;
3361 if (error)
3362 break;
3363 switch (optname) {
3364 case SCTP_DISABLE_FRAGMENTS:
3365 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT;
3366 break;
3367 case SCTP_AUTO_ASCONF:
3368 /*
3369 * NOTE: we don't really support this flag
3370 */
3371 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
3372 /* only valid for bound all sockets */
3373 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) &&
3374 (*mopt != 0)) {
3375 /* forbidden by admin */
3376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM);
3377 return (EPERM);
3378 }
3379 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF;
3380 } else {
3381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3382 return (EINVAL);
3383 }
3384 break;
3385 case SCTP_EXPLICIT_EOR:
3386 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR;
3387 break;
3388 case SCTP_USE_EXT_RCVINFO:
3389 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO;
3390 break;
3391 case SCTP_I_WANT_MAPPED_V4_ADDR:
3392 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
3393 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4;
3394 } else {
3395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3396 return (EINVAL);
3397 }
3398 break;
3399 case SCTP_NODELAY:
3400 set_opt = SCTP_PCB_FLAGS_NODELAY;
3401 break;
3402 case SCTP_AUTOCLOSE:
3403 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3404 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
3405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3406 return (EINVAL);
3407 }
3408 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE;
3409 /*
3410 * The value is in ticks. Note this does not effect
3411 * old associations, only new ones.
3412 */
3413 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt);
3414 break;
3415 }
3416 SCTP_INP_WLOCK(inp);
3417 if (*mopt != 0) {
3418 sctp_feature_on(inp, set_opt);
3419 } else {
3420 sctp_feature_off(inp, set_opt);
3421 }
3422 SCTP_INP_WUNLOCK(inp);
3423 break;
3424 case SCTP_REUSE_PORT:
3425 {
3426 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
3427 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
3428 /* Can't set it after we are bound */
3429 error = EINVAL;
3430 break;
3431 }
3432 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
3433 /* Can't do this for a 1-m socket */
3434 error = EINVAL;
3435 break;
3436 }
3437 if (optval)
3438 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
3439 else
3440 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE);
3441 break;
3442 }
3443 case SCTP_PARTIAL_DELIVERY_POINT:
3444 {
3445 uint32_t *value;
3446
3447 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
3448 if (*value > SCTP_SB_LIMIT_RCV(so)) {
3449 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3450 error = EINVAL;
3451 break;
3452 }
3453 inp->partial_delivery_point = *value;
3454 break;
3455 }
3456 case SCTP_FRAGMENT_INTERLEAVE:
3457 /* not yet until we re-write sctp_recvmsg() */
3458 {
3459 uint32_t *level;
3460
3461 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize);
3462 if (*level == SCTP_FRAG_LEVEL_2) {
3463 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3464 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3465 } else if (*level == SCTP_FRAG_LEVEL_1) {
3466 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3467 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3468 } else if (*level == SCTP_FRAG_LEVEL_0) {
3469 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3470 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3471
3472 } else {
3473 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3474 error = EINVAL;
3475 }
3476 break;
3477 }
3478 case SCTP_CMT_ON_OFF:
3479 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) {
3480 struct sctp_assoc_value *av;
3481
3482 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3483 if (av->assoc_value > SCTP_CMT_MAX) {
3484 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3485 error = EINVAL;
3486 break;
3487 }
3488 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3489 if (stcb) {
3490 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
3491 SCTP_TCB_UNLOCK(stcb);
3492 } else {
3493 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3494 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3495 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
3496 (av->assoc_id == SCTP_ALL_ASSOC)) {
3497 SCTP_INP_WLOCK(inp);
3498 inp->sctp_cmt_on_off = av->assoc_value;
3499 SCTP_INP_WUNLOCK(inp);
3500 }
3501 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3502 (av->assoc_id == SCTP_ALL_ASSOC)) {
3503 SCTP_INP_RLOCK(inp);
3504 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3505 SCTP_TCB_LOCK(stcb);
3506 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
3507 SCTP_TCB_UNLOCK(stcb);
3508 }
3509 SCTP_INP_RUNLOCK(inp);
3510 }
3511 }
3512 } else {
3513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
3514 error = ENOPROTOOPT;
3515 }
3516 break;
3517 case SCTP_PLUGGABLE_CC:
3518 {
3519 struct sctp_assoc_value *av;
3520 struct sctp_nets *net;
3521
3522 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3523 if ((av->assoc_value != SCTP_CC_RFC2581) &&
3524 (av->assoc_value != SCTP_CC_HSTCP) &&
3525 (av->assoc_value != SCTP_CC_HTCP) &&
3526 (av->assoc_value != SCTP_CC_RTCC)) {
3527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3528 error = EINVAL;
3529 break;
3530 }
3531 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3532 if (stcb) {
3533 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
3534 stcb->asoc.congestion_control_module = av->assoc_value;
3535 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
3536 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
3537 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
3538 }
3539 }
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 (av->assoc_id == SCTP_ALL_ASSOC)) {
3546 SCTP_INP_WLOCK(inp);
3547 inp->sctp_ep.sctp_default_cc_module = av->assoc_value;
3548 SCTP_INP_WUNLOCK(inp);
3549 }
3550 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3551 (av->assoc_id == SCTP_ALL_ASSOC)) {
3552 SCTP_INP_RLOCK(inp);
3553 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3554 SCTP_TCB_LOCK(stcb);
3555 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
3556 stcb->asoc.congestion_control_module = av->assoc_value;
3557 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
3558 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
3559 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
3560 }
3561 }
3562 SCTP_TCB_UNLOCK(stcb);
3563 }
3564 SCTP_INP_RUNLOCK(inp);
3565 }
3566 }
3567 break;
3568 }
3569 case SCTP_CC_OPTION:
3570 {
3571 struct sctp_cc_option *cc_opt;
3572
3573 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize);
3574 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
3575 if (stcb == NULL) {
3576 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) {
3577 SCTP_INP_RLOCK(inp);
3578 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3579 SCTP_TCB_LOCK(stcb);
3580 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) {
3581 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt);
3582 }
3583 SCTP_TCB_UNLOCK(stcb);
3584 }
3585 SCTP_INP_RUNLOCK(inp);
3586 } else {
3587 error = EINVAL;
3588 }
3589 } else {
3590 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
3591 error = ENOTSUP;
3592 } else {
3593 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1,
3594 cc_opt);
3595 }
3596 SCTP_TCB_UNLOCK(stcb);
3597 }
3598 break;
3599 }
3600 case SCTP_PLUGGABLE_SS:
3601 {
3602 struct sctp_assoc_value *av;
3603
3604 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3605 if ((av->assoc_value != SCTP_SS_DEFAULT) &&
3606 (av->assoc_value != SCTP_SS_ROUND_ROBIN) &&
3607 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) &&
3608 (av->assoc_value != SCTP_SS_PRIORITY) &&
3609 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) &&
3610 (av->assoc_value != SCTP_SS_FIRST_COME)) {
3611 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3612 error = EINVAL;
3613 break;
3614 }
3615 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3616 if (stcb) {
3617 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
3618 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
3619 stcb->asoc.stream_scheduling_module = av->assoc_value;
3620 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
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 (av->assoc_id == SCTP_ALL_ASSOC)) {
3627 SCTP_INP_WLOCK(inp);
3628 inp->sctp_ep.sctp_default_ss_module = av->assoc_value;
3629 SCTP_INP_WUNLOCK(inp);
3630 }
3631 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3632 (av->assoc_id == SCTP_ALL_ASSOC)) {
3633 SCTP_INP_RLOCK(inp);
3634 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3635 SCTP_TCB_LOCK(stcb);
3636 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
3637 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
3638 stcb->asoc.stream_scheduling_module = av->assoc_value;
3639 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
3640 SCTP_TCB_UNLOCK(stcb);
3641 }
3642 SCTP_INP_RUNLOCK(inp);
3643 }
3644 }
3645 break;
3646 }
3647 case SCTP_SS_VALUE:
3648 {
3649 struct sctp_stream_value *av;
3650
3651 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize);
3652 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3653 if (stcb) {
3654 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
3655 av->stream_value) < 0) {
3656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3657 error = EINVAL;
3658 }
3659 SCTP_TCB_UNLOCK(stcb);
3660 } else {
3661 if (av->assoc_id == SCTP_CURRENT_ASSOC) {
3662 SCTP_INP_RLOCK(inp);
3663 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3664 SCTP_TCB_LOCK(stcb);
3665 stcb->asoc.ss_functions.sctp_ss_set_value(stcb,
3666 &stcb->asoc,
3667 &stcb->asoc.strmout[av->stream_id],
3668 av->stream_value);
3669 SCTP_TCB_UNLOCK(stcb);
3670 }
3671 SCTP_INP_RUNLOCK(inp);
3672
3673 } else {
3674 /*
3675 * Can't set stream value without
3676 * association
3677 */
3678 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3679 error = EINVAL;
3680 }
3681 }
3682 break;
3683 }
3684 case SCTP_CLR_STAT_LOG:
3685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
3686 error = EOPNOTSUPP;
3687 break;
3688 case SCTP_CONTEXT:
3689 {
3690 struct sctp_assoc_value *av;
3691
3692 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3693 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3694
3695 if (stcb) {
3696 stcb->asoc.context = av->assoc_value;
3697 SCTP_TCB_UNLOCK(stcb);
3698 } else {
3699 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3700 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3701 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
3702 (av->assoc_id == SCTP_ALL_ASSOC)) {
3703 SCTP_INP_WLOCK(inp);
3704 inp->sctp_context = av->assoc_value;
3705 SCTP_INP_WUNLOCK(inp);
3706 }
3707 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3708 (av->assoc_id == SCTP_ALL_ASSOC)) {
3709 SCTP_INP_RLOCK(inp);
3710 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3711 SCTP_TCB_LOCK(stcb);
3712 stcb->asoc.context = av->assoc_value;
3713 SCTP_TCB_UNLOCK(stcb);
3714 }
3715 SCTP_INP_RUNLOCK(inp);
3716 }
3717 }
3718 break;
3719 }
3720 case SCTP_VRF_ID:
3721 {
3722 uint32_t *default_vrfid;
3723
3724 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize);
3725 if (*default_vrfid > SCTP_MAX_VRF_ID) {
3726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3727 error = EINVAL;
3728 break;
3729 }
3730 inp->def_vrf_id = *default_vrfid;
3731 break;
3732 }
3733 case SCTP_DEL_VRF_ID:
3734 {
3735 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
3736 error = EOPNOTSUPP;
3737 break;
3738 }
3739 case SCTP_ADD_VRF_ID:
3740 {
3741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
3742 error = EOPNOTSUPP;
3743 break;
3744 }
3745 case SCTP_DELAYED_SACK:
3746 {
3747 struct sctp_sack_info *sack;
3748
3749 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize);
3750 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
3751 if (sack->sack_delay) {
3752 if (sack->sack_delay > SCTP_MAX_SACK_DELAY)
3753 sack->sack_delay = SCTP_MAX_SACK_DELAY;
3754 if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
3755 sack->sack_delay = TICKS_TO_MSEC(1);
3756 }
3757 }
3758 if (stcb) {
3759 if (sack->sack_delay) {
3760 stcb->asoc.delayed_ack = sack->sack_delay;
3761 }
3762 if (sack->sack_freq) {
3763 stcb->asoc.sack_freq = sack->sack_freq;
3764 }
3765 SCTP_TCB_UNLOCK(stcb);
3766 } else {
3767 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3768 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3769 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) ||
3770 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) {
3771 SCTP_INP_WLOCK(inp);
3772 if (sack->sack_delay) {
3773 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay);
3774 }
3775 if (sack->sack_freq) {
3776 inp->sctp_ep.sctp_sack_freq = sack->sack_freq;
3777 }
3778 SCTP_INP_WUNLOCK(inp);
3779 }
3780 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) ||
3781 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) {
3782 SCTP_INP_RLOCK(inp);
3783 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3784 SCTP_TCB_LOCK(stcb);
3785 if (sack->sack_delay) {
3786 stcb->asoc.delayed_ack = sack->sack_delay;
3787 }
3788 if (sack->sack_freq) {
3789 stcb->asoc.sack_freq = sack->sack_freq;
3790 }
3791 SCTP_TCB_UNLOCK(stcb);
3792 }
3793 SCTP_INP_RUNLOCK(inp);
3794 }
3795 }
3796 break;
3797 }
3798 case SCTP_AUTH_CHUNK:
3799 {
3800 struct sctp_authchunk *sauth;
3801
3802 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize);
3803
3804 SCTP_INP_WLOCK(inp);
3805 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) {
3806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3807 error = EINVAL;
3808 }
3809 SCTP_INP_WUNLOCK(inp);
3810 break;
3811 }
3812 case SCTP_AUTH_KEY:
3813 {
3814 struct sctp_authkey *sca;
3815 struct sctp_keyhead *shared_keys;
3816 sctp_sharedkey_t *shared_key;
3817 sctp_key_t *key = NULL;
3818 size_t size;
3819
3820 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize);
3821 if (sca->sca_keylength == 0) {
3822 size = optsize - sizeof(struct sctp_authkey);
3823 } else {
3824 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) {
3825 size = sca->sca_keylength;
3826 } else {
3827 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3828 error = EINVAL;
3829 break;
3830 }
3831 }
3832 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id);
3833
3834 if (stcb) {
3835 shared_keys = &stcb->asoc.shared_keys;
3836 /* clear the cached keys for this key id */
3837 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
3838 /*
3839 * create the new shared key and
3840 * insert/replace it
3841 */
3842 if (size > 0) {
3843 key = sctp_set_key(sca->sca_key, (uint32_t) size);
3844 if (key == NULL) {
3845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
3846 error = ENOMEM;
3847 SCTP_TCB_UNLOCK(stcb);
3848 break;
3849 }
3850 }
3851 shared_key = sctp_alloc_sharedkey();
3852 if (shared_key == NULL) {
3853 sctp_free_key(key);
3854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
3855 error = ENOMEM;
3856 SCTP_TCB_UNLOCK(stcb);
3857 break;
3858 }
3859 shared_key->key = key;
3860 shared_key->keyid = sca->sca_keynumber;
3861 error = sctp_insert_sharedkey(shared_keys, shared_key);
3862 SCTP_TCB_UNLOCK(stcb);
3863 } else {
3864 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3865 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3866 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) ||
3867 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) {
3868 SCTP_INP_WLOCK(inp);
3869 shared_keys = &inp->sctp_ep.shared_keys;
3870 /*
3871 * clear the cached keys on all
3872 * assocs for this key id
3873 */
3874 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber);
3875 /*
3876 * create the new shared key and
3877 * insert/replace it
3878 */
3879 if (size > 0) {
3880 key = sctp_set_key(sca->sca_key, (uint32_t) size);
3881 if (key == NULL) {
3882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
3883 error = ENOMEM;
3884 SCTP_INP_WUNLOCK(inp);
3885 break;
3886 }
3887 }
3888 shared_key = sctp_alloc_sharedkey();
3889 if (shared_key == NULL) {
3890 sctp_free_key(key);
3891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
3892 error = ENOMEM;
3893 SCTP_INP_WUNLOCK(inp);
3894 break;
3895 }
3896 shared_key->key = key;
3897 shared_key->keyid = sca->sca_keynumber;
3898 error = sctp_insert_sharedkey(shared_keys, shared_key);
3899 SCTP_INP_WUNLOCK(inp);
3900 }
3901 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) ||
3902 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) {
3903 SCTP_INP_RLOCK(inp);
3904 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3905 SCTP_TCB_LOCK(stcb);
3906 shared_keys = &stcb->asoc.shared_keys;
3907 /*
3908 * clear the cached keys for
3909 * this key id
3910 */
3911 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
3912 /*
3913 * create the new shared key
3914 * and insert/replace it
3915 */
3916 if (size > 0) {
3917 key = sctp_set_key(sca->sca_key, (uint32_t) size);
3918 if (key == NULL) {
3919 SCTP_TCB_UNLOCK(stcb);
3920 continue;
3921 }
3922 }
3923 shared_key = sctp_alloc_sharedkey();
3924 if (shared_key == NULL) {
3925 sctp_free_key(key);
3926 SCTP_TCB_UNLOCK(stcb);
3927 continue;
3928 }
3929 shared_key->key = key;
3930 shared_key->keyid = sca->sca_keynumber;
3931 error = sctp_insert_sharedkey(shared_keys, shared_key);
3932 SCTP_TCB_UNLOCK(stcb);
3933 }
3934 SCTP_INP_RUNLOCK(inp);
3935 }
3936 }
3937 break;
3938 }
3939 case SCTP_HMAC_IDENT:
3940 {
3941 struct sctp_hmacalgo *shmac;
3942 sctp_hmaclist_t *hmaclist;
3943 uint16_t hmacid;
3944 uint32_t i;
3945 size_t found;
3946
3947 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize);
3948 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) {
3949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3950 error = EINVAL;
3951 break;
3952 }
3953 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents);
3954 if (hmaclist == NULL) {
3955 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
3956 error = ENOMEM;
3957 break;
3958 }
3959 for (i = 0; i < shmac->shmac_number_of_idents; i++) {
3960 hmacid = shmac->shmac_idents[i];
3961 if (sctp_auth_add_hmacid(hmaclist, hmacid)) {
3962 /* invalid HMACs were found */ ;
3963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3964 error = EINVAL;
3965 sctp_free_hmaclist(hmaclist);
3966 goto sctp_set_hmac_done;
3967 }
3968 }
3969 found = 0;
3970 for (i = 0; i < hmaclist->num_algo; i++) {
3971 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) {
3972 /* already in list */
3973 found = 1;
3974 }
3975 }
3976 if (!found) {
3977 sctp_free_hmaclist(hmaclist);
3978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3979 error = EINVAL;
3980 break;
3981 }
3982 /* set it on the endpoint */
3983 SCTP_INP_WLOCK(inp);
3984 if (inp->sctp_ep.local_hmacs)
3985 sctp_free_hmaclist(inp->sctp_ep.local_hmacs);
3986 inp->sctp_ep.local_hmacs = hmaclist;
3987 SCTP_INP_WUNLOCK(inp);
3988 sctp_set_hmac_done:
3989 break;
3990 }
3991 case SCTP_AUTH_ACTIVE_KEY:
3992 {
3993 struct sctp_authkeyid *scact;
3994
3995 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize);
3996 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
3997
3998 /* set the active key on the right place */
3999 if (stcb) {
4000 /* set the active key on the assoc */
4001 if (sctp_auth_setactivekey(stcb,
4002 scact->scact_keynumber)) {
4003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
4004 SCTP_FROM_SCTP_USRREQ,
4005 EINVAL);
4006 error = EINVAL;
4007 }
4008 SCTP_TCB_UNLOCK(stcb);
4009 } else {
4010 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4011 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4012 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4013 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) {
4014 SCTP_INP_WLOCK(inp);
4015 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) {
4016 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4017 error = EINVAL;
4018 }
4019 SCTP_INP_WUNLOCK(inp);
4020 }
4021 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4022 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) {
4023 SCTP_INP_RLOCK(inp);
4024 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4025 SCTP_TCB_LOCK(stcb);
4026 sctp_auth_setactivekey(stcb, scact->scact_keynumber);
4027 SCTP_TCB_UNLOCK(stcb);
4028 }
4029 SCTP_INP_RUNLOCK(inp);
4030 }
4031 }
4032 break;
4033 }
4034 case SCTP_AUTH_DELETE_KEY:
4035 {
4036 struct sctp_authkeyid *scdel;
4037
4038 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize);
4039 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id);
4040
4041 /* delete the key from the right place */
4042 if (stcb) {
4043 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) {
4044 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4045 error = EINVAL;
4046 }
4047 SCTP_TCB_UNLOCK(stcb);
4048 } else {
4049 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4050 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4051 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4052 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) {
4053 SCTP_INP_WLOCK(inp);
4054 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) {
4055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4056 error = EINVAL;
4057 }
4058 SCTP_INP_WUNLOCK(inp);
4059 }
4060 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4061 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) {
4062 SCTP_INP_RLOCK(inp);
4063 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4064 SCTP_TCB_LOCK(stcb);
4065 sctp_delete_sharedkey(stcb, scdel->scact_keynumber);
4066 SCTP_TCB_UNLOCK(stcb);
4067 }
4068 SCTP_INP_RUNLOCK(inp);
4069 }
4070 }
4071 break;
4072 }
4073 case SCTP_AUTH_DEACTIVATE_KEY:
4074 {
4075 struct sctp_authkeyid *keyid;
4076
4077 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize);
4078 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id);
4079
4080 /* deactivate the key from the right place */
4081 if (stcb) {
4082 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) {
4083 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4084 error = EINVAL;
4085 }
4086 SCTP_TCB_UNLOCK(stcb);
4087 } else {
4088 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4089 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4090 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4091 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) {
4092 SCTP_INP_WLOCK(inp);
4093 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) {
4094 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4095 error = EINVAL;
4096 }
4097 SCTP_INP_WUNLOCK(inp);
4098 }
4099 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4100 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) {
4101 SCTP_INP_RLOCK(inp);
4102 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4103 SCTP_TCB_LOCK(stcb);
4104 sctp_deact_sharedkey(stcb, keyid->scact_keynumber);
4105 SCTP_TCB_UNLOCK(stcb);
4106 }
4107 SCTP_INP_RUNLOCK(inp);
4108 }
4109 }
4110 break;
4111 }
4112 case SCTP_ENABLE_STREAM_RESET:
4113 {
4114 struct sctp_assoc_value *av;
4115
4116 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4117 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) {
4118 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4119 error = EINVAL;
4120 break;
4121 }
4122 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4123 if (stcb) {
4124 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value;
4125 SCTP_TCB_UNLOCK(stcb);
4126 } else {
4127 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4128 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4129 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4130 (av->assoc_id == SCTP_ALL_ASSOC)) {
4131 SCTP_INP_WLOCK(inp);
4132 inp->local_strreset_support = (uint8_t) av->assoc_value;
4133 SCTP_INP_WUNLOCK(inp);
4134 }
4135 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4136 (av->assoc_id == SCTP_ALL_ASSOC)) {
4137 SCTP_INP_RLOCK(inp);
4138 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4139 SCTP_TCB_LOCK(stcb);
4140 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value;
4141 SCTP_TCB_UNLOCK(stcb);
4142 }
4143 SCTP_INP_RUNLOCK(inp);
4144 }
4145 }
4146 break;
4147 }
4148 case SCTP_RESET_STREAMS:
4149 {
4150 struct sctp_reset_streams *strrst;
4151 int i, send_out = 0;
4152 int send_in = 0;
4153
4154 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize);
4155 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id);
4156 if (stcb == NULL) {
4157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4158 error = ENOENT;
4159 break;
4160 }
4161 if (stcb->asoc.peer_supports_strreset == 0) {
4162 /*
4163 * Peer does not support the chunk type.
4164 */
4165 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4166 error = EOPNOTSUPP;
4167 SCTP_TCB_UNLOCK(stcb);
4168 break;
4169 }
4170 if (stcb->asoc.stream_reset_outstanding) {
4171 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4172 error = EALREADY;
4173 SCTP_TCB_UNLOCK(stcb);
4174 break;
4175 }
4176 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) {
4177 send_in = 1;
4178 }
4179 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) {
4180 send_out = 1;
4181 }
4182 if ((send_in == 0) && (send_out == 0)) {
4183 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4184 error = EINVAL;
4185 SCTP_TCB_UNLOCK(stcb);
4186 break;
4187 }
4188 for (i = 0; i < strrst->srs_number_streams; i++) {
4189 if ((send_in) &&
4190 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) {
4191 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4192 error = EINVAL;
4193 break;
4194 }
4195 if ((send_out) &&
4196 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) {
4197 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4198 error = EINVAL;
4199 break;
4200 }
4201 }
4202 if (error) {
4203 SCTP_TCB_UNLOCK(stcb);
4204 break;
4205 }
4206 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams,
4207 strrst->srs_stream_list,
4208 send_out, send_in, 0, 0, 0, 0, 0);
4209
4210 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4211 SCTP_TCB_UNLOCK(stcb);
4212 break;
4213 }
4214 case SCTP_ADD_STREAMS:
4215 {
4216 struct sctp_add_streams *stradd;
4217 uint8_t addstream = 0;
4218 uint16_t add_o_strmcnt = 0;
4219 uint16_t add_i_strmcnt = 0;
4220
4221 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize);
4222 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id);
4223 if (stcb == NULL) {
4224 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4225 error = ENOENT;
4226 break;
4227 }
4228 if (stcb->asoc.peer_supports_strreset == 0) {
4229 /*
4230 * Peer does not support the chunk type.
4231 */
4232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4233 error = EOPNOTSUPP;
4234 SCTP_TCB_UNLOCK(stcb);
4235 break;
4236 }
4237 if (stcb->asoc.stream_reset_outstanding) {
4238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4239 error = EALREADY;
4240 SCTP_TCB_UNLOCK(stcb);
4241 break;
4242 }
4243 if ((stradd->sas_outstrms == 0) &&
4244 (stradd->sas_instrms == 0)) {
4245 error = EINVAL;
4246 goto skip_stuff;
4247 }
4248 if (stradd->sas_outstrms) {
4249 addstream = 1;
4250 /* We allocate here */
4251 add_o_strmcnt = stradd->sas_outstrms;
4252 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) {
4253 /* You can't have more than 64k */
4254 error = EINVAL;
4255 goto skip_stuff;
4256 }
4257 }
4258 if (stradd->sas_instrms) {
4259 int cnt;
4260
4261 addstream |= 2;
4262 /*
4263 * We allocate inside
4264 * sctp_send_str_reset_req()
4265 */
4266 add_i_strmcnt = stradd->sas_instrms;
4267 cnt = add_i_strmcnt;
4268 cnt += stcb->asoc.streamincnt;
4269 if (cnt > 0x0000ffff) {
4270 /* You can't have more than 64k */
4271 error = EINVAL;
4272 goto skip_stuff;
4273 }
4274 if (cnt > (int)stcb->asoc.max_inbound_streams) {
4275 /* More than you are allowed */
4276 error = EINVAL;
4277 goto skip_stuff;
4278 }
4279 }
4280 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0);
4281 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4282 skip_stuff:
4283 SCTP_TCB_UNLOCK(stcb);
4284 break;
4285 }
4286 case SCTP_RESET_ASSOC:
4287 {
4288 uint32_t *value;
4289
4290 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
4291 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value);
4292 if (stcb == NULL) {
4293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4294 error = ENOENT;
4295 break;
4296 }
4297 if (stcb->asoc.peer_supports_strreset == 0) {
4298 /*
4299 * Peer does not support the chunk type.
4300 */
4301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4302 error = EOPNOTSUPP;
4303 SCTP_TCB_UNLOCK(stcb);
4304 break;
4305 }
4306 if (stcb->asoc.stream_reset_outstanding) {
4307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4308 error = EALREADY;
4309 SCTP_TCB_UNLOCK(stcb);
4310 break;
4311 }
4312 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0);
4313 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4314 SCTP_TCB_UNLOCK(stcb);
4315 break;
4316 }
4317 case SCTP_CONNECT_X:
4318 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
4319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4320 error = EINVAL;
4321 break;
4322 }
4323 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0);
4324 break;
4325 case SCTP_CONNECT_X_DELAYED:
4326 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
4327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4328 error = EINVAL;
4329 break;
4330 }
4331 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1);
4332 break;
4333 case SCTP_CONNECT_X_COMPLETE:
4334 {
4335 struct sockaddr *sa;
4336 struct sctp_nets *net;
4337
4338 /* FIXME MT: check correct? */
4339 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
4340
4341 /* find tcb */
4342 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
4343 SCTP_INP_RLOCK(inp);
4344 stcb = LIST_FIRST(&inp->sctp_asoc_list);
4345 if (stcb) {
4346 SCTP_TCB_LOCK(stcb);
4347 net = sctp_findnet(stcb, sa);
4348 }
4349 SCTP_INP_RUNLOCK(inp);
4350 } else {
4351 /*
4352 * We increment here since
4353 * sctp_findassociation_ep_addr() wil do a
4354 * decrement if it finds the stcb as long as
4355 * the locked tcb (last argument) is NOT a
4356 * TCB.. aka NULL.
4357 */
4358 SCTP_INP_INCR_REF(inp);
4359 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL);
4360 if (stcb == NULL) {
4361 SCTP_INP_DECR_REF(inp);
4362 }
4363 }
4364
4365 if (stcb == NULL) {
4366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4367 error = ENOENT;
4368 break;
4369 }
4370 if (stcb->asoc.delayed_connection == 1) {
4371 stcb->asoc.delayed_connection = 0;
4372 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
4373 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb,
4374 stcb->asoc.primary_destination,
4375 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9);
4376 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
4377 } else {
4378 /*
4379 * already expired or did not use delayed
4380 * connectx
4381 */
4382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4383 error = EALREADY;
4384 }
4385 SCTP_TCB_UNLOCK(stcb);
4386 break;
4387 }
4388 case SCTP_MAX_BURST:
4389 {
4390 struct sctp_assoc_value *av;
4391
4392 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4393 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4394
4395 if (stcb) {
4396 stcb->asoc.max_burst = av->assoc_value;
4397 SCTP_TCB_UNLOCK(stcb);
4398 } else {
4399 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4400 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4401 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4402 (av->assoc_id == SCTP_ALL_ASSOC)) {
4403 SCTP_INP_WLOCK(inp);
4404 inp->sctp_ep.max_burst = av->assoc_value;
4405 SCTP_INP_WUNLOCK(inp);
4406 }
4407 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4408 (av->assoc_id == SCTP_ALL_ASSOC)) {
4409 SCTP_INP_RLOCK(inp);
4410 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4411 SCTP_TCB_LOCK(stcb);
4412 stcb->asoc.max_burst = av->assoc_value;
4413 SCTP_TCB_UNLOCK(stcb);
4414 }
4415 SCTP_INP_RUNLOCK(inp);
4416 }
4417 }
4418 break;
4419 }
4420 case SCTP_MAXSEG:
4421 {
4422 struct sctp_assoc_value *av;
4423 int ovh;
4424
4425 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4426 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4427
4428 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
4429 ovh = SCTP_MED_OVERHEAD;
4430 } else {
4431 ovh = SCTP_MED_V4_OVERHEAD;
4432 }
4433 if (stcb) {
4434 if (av->assoc_value) {
4435 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh);
4436 } else {
4437 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
4438 }
4439 SCTP_TCB_UNLOCK(stcb);
4440 } else {
4441 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4442 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4443 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
4444 SCTP_INP_WLOCK(inp);
4445 /*
4446 * FIXME MT: I think this is not in
4447 * tune with the API ID
4448 */
4449 if (av->assoc_value) {
4450 inp->sctp_frag_point = (av->assoc_value + ovh);
4451 } else {
4452 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
4453 }
4454 SCTP_INP_WUNLOCK(inp);
4455 } else {
4456 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4457 error = EINVAL;
4458 }
4459 }
4460 break;
4461 }
4462 case SCTP_EVENTS:
4463 {
4464 struct sctp_event_subscribe *events;
4465
4466 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize);
4467
4468 SCTP_INP_WLOCK(inp);
4469 if (events->sctp_data_io_event) {
4470 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
4471 } else {
4472 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
4473 }
4474
4475 if (events->sctp_association_event) {
4476 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4477 } else {
4478 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4479 }
4480
4481 if (events->sctp_address_event) {
4482 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
4483 } else {
4484 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
4485 }
4486
4487 if (events->sctp_send_failure_event) {
4488 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
4489 } else {
4490 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
4491 }
4492
4493 if (events->sctp_peer_error_event) {
4494 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR);
4495 } else {
4496 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR);
4497 }
4498
4499 if (events->sctp_shutdown_event) {
4500 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
4501 } else {
4502 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
4503 }
4504
4505 if (events->sctp_partial_delivery_event) {
4506 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
4507 } else {
4508 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
4509 }
4510
4511 if (events->sctp_adaptation_layer_event) {
4512 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
4513 } else {
4514 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
4515 }
4516
4517 if (events->sctp_authentication_event) {
4518 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT);
4519 } else {
4520 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT);
4521 }
4522
4523 if (events->sctp_sender_dry_event) {
4524 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT);
4525 } else {
4526 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT);
4527 }
4528
4529 if (events->sctp_stream_reset_event) {
4530 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
4531 } else {
4532 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
4533 }
4534 SCTP_INP_WUNLOCK(inp);
4535
4536 SCTP_INP_RLOCK(inp);
4537 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4538 SCTP_TCB_LOCK(stcb);
4539 if (events->sctp_association_event) {
4540 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4541 } else {
4542 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4543 }
4544 if (events->sctp_address_event) {
4545 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
4546 } else {
4547 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
4548 }
4549 if (events->sctp_send_failure_event) {
4550 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
4551 } else {
4552 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
4553 }
4554 if (events->sctp_peer_error_event) {
4555 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
4556 } else {
4557 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
4558 }
4559 if (events->sctp_shutdown_event) {
4560 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
4561 } else {
4562 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
4563 }
4564 if (events->sctp_partial_delivery_event) {
4565 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
4566 } else {
4567 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
4568 }
4569 if (events->sctp_adaptation_layer_event) {
4570 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
4571 } else {
4572 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
4573 }
4574 if (events->sctp_authentication_event) {
4575 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
4576 } else {
4577 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
4578 }
4579 if (events->sctp_sender_dry_event) {
4580 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
4581 } else {
4582 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
4583 }
4584 if (events->sctp_stream_reset_event) {
4585 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
4586 } else {
4587 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
4588 }
4589 SCTP_TCB_UNLOCK(stcb);
4590 }
4591 /*
4592 * Send up the sender dry event only for 1-to-1
4593 * style sockets.
4594 */
4595 if (events->sctp_sender_dry_event) {
4596 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4597 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
4598 stcb = LIST_FIRST(&inp->sctp_asoc_list);
4599 if (stcb) {
4600 SCTP_TCB_LOCK(stcb);
4601 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
4602 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
4603 (stcb->asoc.stream_queue_cnt == 0)) {
4604 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
4605 }
4606 SCTP_TCB_UNLOCK(stcb);
4607 }
4608 }
4609 }
4610 SCTP_INP_RUNLOCK(inp);
4611 break;
4612 }
4613 case SCTP_ADAPTATION_LAYER:
4614 {
4615 struct sctp_setadaptation *adap_bits;
4616
4617 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize);
4618 SCTP_INP_WLOCK(inp);
4619 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind;
4620 inp->sctp_ep.adaptation_layer_indicator_provided = 1;
4621 SCTP_INP_WUNLOCK(inp);
4622 break;
4623 }
4624 #ifdef SCTP_DEBUG
4625 case SCTP_SET_INITIAL_DBG_SEQ:
4626 {
4627 uint32_t *vvv;
4628
4629 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize);
4630 SCTP_INP_WLOCK(inp);
4631 inp->sctp_ep.initial_sequence_debug = *vvv;
4632 SCTP_INP_WUNLOCK(inp);
4633 break;
4634 }
4635 #endif
4636 case SCTP_DEFAULT_SEND_PARAM:
4637 {
4638 struct sctp_sndrcvinfo *s_info;
4639
4640 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize);
4641 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
4642
4643 if (stcb) {
4644 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
4645 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
4646 } else {
4647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4648 error = EINVAL;
4649 }
4650 SCTP_TCB_UNLOCK(stcb);
4651 } else {
4652 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4653 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4654 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) ||
4655 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) {
4656 SCTP_INP_WLOCK(inp);
4657 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send)));
4658 SCTP_INP_WUNLOCK(inp);
4659 }
4660 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) ||
4661 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) {
4662 SCTP_INP_RLOCK(inp);
4663 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4664 SCTP_TCB_LOCK(stcb);
4665 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
4666 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
4667 }
4668 SCTP_TCB_UNLOCK(stcb);
4669 }
4670 SCTP_INP_RUNLOCK(inp);
4671 }
4672 }
4673 break;
4674 }
4675 case SCTP_PEER_ADDR_PARAMS:
4676 {
4677 struct sctp_paddrparams *paddrp;
4678 struct sctp_nets *net;
4679
4680 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize);
4681 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
4682 net = NULL;
4683 if (stcb) {
4684 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
4685 } else {
4686 /*
4687 * We increment here since
4688 * sctp_findassociation_ep_addr() wil do a
4689 * decrement if it finds the stcb as long as
4690 * the locked tcb (last argument) is NOT a
4691 * TCB.. aka NULL.
4692 */
4693 SCTP_INP_INCR_REF(inp);
4694 stcb = sctp_findassociation_ep_addr(&inp,
4695 (struct sockaddr *)&paddrp->spp_address,
4696 &net, NULL, NULL);
4697 if (stcb == NULL) {
4698 SCTP_INP_DECR_REF(inp);
4699 }
4700 }
4701 if (stcb && (net == NULL)) {
4702 struct sockaddr *sa;
4703
4704 sa = (struct sockaddr *)&paddrp->spp_address;
4705 #ifdef INET
4706 if (sa->sa_family == AF_INET) {
4707
4708 struct sockaddr_in *sin;
4709
4710 sin = (struct sockaddr_in *)sa;
4711 if (sin->sin_addr.s_addr) {
4712 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4713 SCTP_TCB_UNLOCK(stcb);
4714 error = EINVAL;
4715 break;
4716 }
4717 } else
4718 #endif
4719 #ifdef INET6
4720 if (sa->sa_family == AF_INET6) {
4721 struct sockaddr_in6 *sin6;
4722
4723 sin6 = (struct sockaddr_in6 *)sa;
4724 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
4725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4726 SCTP_TCB_UNLOCK(stcb);
4727 error = EINVAL;
4728 break;
4729 }
4730 } else
4731 #endif
4732 {
4733 error = EAFNOSUPPORT;
4734 SCTP_TCB_UNLOCK(stcb);
4735 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
4736 break;
4737 }
4738 }
4739 /* sanity checks */
4740 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) {
4741 if (stcb)
4742 SCTP_TCB_UNLOCK(stcb);
4743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4744 return (EINVAL);
4745 }
4746 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) {
4747 if (stcb)
4748 SCTP_TCB_UNLOCK(stcb);
4749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4750 return (EINVAL);
4751 }
4752 if (stcb) {
4753 /************************TCB SPECIFIC SET ******************/
4754 /*
4755 * do we change the timer for HB, we run
4756 * only one?
4757 */
4758 int ovh = 0;
4759
4760 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
4761 ovh = SCTP_MED_OVERHEAD;
4762 } else {
4763 ovh = SCTP_MED_V4_OVERHEAD;
4764 }
4765
4766 /* network sets ? */
4767 if (net) {
4768 /************************NET SPECIFIC SET ******************/
4769 if (paddrp->spp_flags & SPP_HB_DISABLE) {
4770 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) &&
4771 !(net->dest_state & SCTP_ADDR_NOHB)) {
4772 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
4773 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
4774 }
4775 net->dest_state |= SCTP_ADDR_NOHB;
4776 }
4777 if (paddrp->spp_flags & SPP_HB_ENABLE) {
4778 if (paddrp->spp_hbinterval) {
4779 net->heart_beat_delay = paddrp->spp_hbinterval;
4780 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
4781 net->heart_beat_delay = 0;
4782 }
4783 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
4784 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
4785 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
4786 net->dest_state &= ~SCTP_ADDR_NOHB;
4787 }
4788 if (paddrp->spp_flags & SPP_HB_DEMAND) {
4789 /* on demand HB */
4790 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
4791 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED);
4792 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
4793 }
4794 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
4795 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
4796 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
4797 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
4798 }
4799 net->dest_state |= SCTP_ADDR_NO_PMTUD;
4800 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) {
4801 net->mtu = paddrp->spp_pathmtu + ovh;
4802 if (net->mtu < stcb->asoc.smallest_mtu) {
4803 sctp_pathmtu_adjustment(stcb, net->mtu);
4804 }
4805 }
4806 }
4807 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
4808 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
4809 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
4810 }
4811 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
4812 }
4813 if (paddrp->spp_pathmaxrxt) {
4814 if (net->dest_state & SCTP_ADDR_PF) {
4815 if (net->error_count > paddrp->spp_pathmaxrxt) {
4816 net->dest_state &= ~SCTP_ADDR_PF;
4817 }
4818 } else {
4819 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
4820 (net->error_count > net->pf_threshold)) {
4821 net->dest_state |= SCTP_ADDR_PF;
4822 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
4823 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
4824 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
4825 }
4826 }
4827 if (net->dest_state & SCTP_ADDR_REACHABLE) {
4828 if (net->error_count > paddrp->spp_pathmaxrxt) {
4829 net->dest_state &= ~SCTP_ADDR_REACHABLE;
4830 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
4831 }
4832 } else {
4833 if (net->error_count <= paddrp->spp_pathmaxrxt) {
4834 net->dest_state |= SCTP_ADDR_REACHABLE;
4835 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
4836 }
4837 }
4838 net->failure_threshold = paddrp->spp_pathmaxrxt;
4839 }
4840 if (paddrp->spp_flags & SPP_DSCP) {
4841 net->dscp = paddrp->spp_dscp & 0xfc;
4842 net->dscp |= 0x01;
4843 }
4844 #ifdef INET6
4845 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
4846 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
4847 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
4848 net->flowlabel |= 0x80000000;
4849 }
4850 }
4851 #endif
4852 } else {
4853 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/
4854 if (paddrp->spp_pathmaxrxt) {
4855 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt;
4856 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4857 if (net->dest_state & SCTP_ADDR_PF) {
4858 if (net->error_count > paddrp->spp_pathmaxrxt) {
4859 net->dest_state &= ~SCTP_ADDR_PF;
4860 }
4861 } else {
4862 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
4863 (net->error_count > net->pf_threshold)) {
4864 net->dest_state |= SCTP_ADDR_PF;
4865 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
4866 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
4867 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
4868 }
4869 }
4870 if (net->dest_state & SCTP_ADDR_REACHABLE) {
4871 if (net->error_count > paddrp->spp_pathmaxrxt) {
4872 net->dest_state &= ~SCTP_ADDR_REACHABLE;
4873 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
4874 }
4875 } else {
4876 if (net->error_count <= paddrp->spp_pathmaxrxt) {
4877 net->dest_state |= SCTP_ADDR_REACHABLE;
4878 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
4879 }
4880 }
4881 net->failure_threshold = paddrp->spp_pathmaxrxt;
4882 }
4883 }
4884 if (paddrp->spp_flags & SPP_HB_ENABLE) {
4885 if (paddrp->spp_hbinterval) {
4886 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval;
4887 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
4888 stcb->asoc.heart_beat_delay = 0;
4889 }
4890 /* Turn back on the timer */
4891 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4892 if (paddrp->spp_hbinterval) {
4893 net->heart_beat_delay = paddrp->spp_hbinterval;
4894 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
4895 net->heart_beat_delay = 0;
4896 }
4897 if (net->dest_state & SCTP_ADDR_NOHB) {
4898 net->dest_state &= ~SCTP_ADDR_NOHB;
4899 }
4900 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
4901 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
4902 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
4903 }
4904 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
4905 }
4906 if (paddrp->spp_flags & SPP_HB_DISABLE) {
4907 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4908 if (!(net->dest_state & SCTP_ADDR_NOHB)) {
4909 net->dest_state |= SCTP_ADDR_NOHB;
4910 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
4911 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
4912 }
4913 }
4914 }
4915 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
4916 }
4917 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
4918 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4919 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
4920 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
4921 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
4922 }
4923 net->dest_state |= SCTP_ADDR_NO_PMTUD;
4924 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) {
4925 net->mtu = paddrp->spp_pathmtu + ovh;
4926 if (net->mtu < stcb->asoc.smallest_mtu) {
4927 sctp_pathmtu_adjustment(stcb, net->mtu);
4928 }
4929 }
4930 }
4931 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
4932 }
4933 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
4934 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4935 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
4936 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
4937 }
4938 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
4939 }
4940 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
4941 }
4942 if (paddrp->spp_flags & SPP_DSCP) {
4943 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4944 net->dscp = paddrp->spp_dscp & 0xfc;
4945 net->dscp |= 0x01;
4946 }
4947 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc;
4948 stcb->asoc.default_dscp |= 0x01;
4949 }
4950 #ifdef INET6
4951 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
4952 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4953 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
4954 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
4955 net->flowlabel |= 0x80000000;
4956 }
4957 }
4958 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
4959 stcb->asoc.default_flowlabel |= 0x80000000;
4960 }
4961 #endif
4962 }
4963 SCTP_TCB_UNLOCK(stcb);
4964 } else {
4965 /************************NO TCB, SET TO default stuff ******************/
4966 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4967 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4968 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) {
4969 SCTP_INP_WLOCK(inp);
4970 /*
4971 * For the TOS/FLOWLABEL stuff you
4972 * set it with the options on the
4973 * socket
4974 */
4975 if (paddrp->spp_pathmaxrxt) {
4976 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt;
4977 }
4978 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
4979 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
4980 else if (paddrp->spp_hbinterval) {
4981 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL)
4982 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL;
4983 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
4984 }
4985 if (paddrp->spp_flags & SPP_HB_ENABLE) {
4986 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
4987 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
4988 } else if (paddrp->spp_hbinterval) {
4989 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
4990 }
4991 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
4992 } else if (paddrp->spp_flags & SPP_HB_DISABLE) {
4993 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
4994 }
4995 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
4996 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
4997 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
4998 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
4999 }
5000 if (paddrp->spp_flags & SPP_DSCP) {
5001 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc;
5002 inp->sctp_ep.default_dscp |= 0x01;
5003 }
5004 #ifdef INET6
5005 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5006 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
5007 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5008 inp->sctp_ep.default_flowlabel |= 0x80000000;
5009 }
5010 }
5011 #endif
5012 SCTP_INP_WUNLOCK(inp);
5013 } else {
5014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5015 error = EINVAL;
5016 }
5017 }
5018 break;
5019 }
5020 case SCTP_RTOINFO:
5021 {
5022 struct sctp_rtoinfo *srto;
5023 uint32_t new_init, new_min, new_max;
5024
5025 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize);
5026 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
5027
5028 if (stcb) {
5029 if (srto->srto_initial)
5030 new_init = srto->srto_initial;
5031 else
5032 new_init = stcb->asoc.initial_rto;
5033 if (srto->srto_max)
5034 new_max = srto->srto_max;
5035 else
5036 new_max = stcb->asoc.maxrto;
5037 if (srto->srto_min)
5038 new_min = srto->srto_min;
5039 else
5040 new_min = stcb->asoc.minrto;
5041 if ((new_min <= new_init) && (new_init <= new_max)) {
5042 stcb->asoc.initial_rto = new_init;
5043 stcb->asoc.maxrto = new_max;
5044 stcb->asoc.minrto = new_min;
5045 } else {
5046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5047 error = EINVAL;
5048 }
5049 SCTP_TCB_UNLOCK(stcb);
5050 } else {
5051 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5052 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5053 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) {
5054 SCTP_INP_WLOCK(inp);
5055 if (srto->srto_initial)
5056 new_init = srto->srto_initial;
5057 else
5058 new_init = inp->sctp_ep.initial_rto;
5059 if (srto->srto_max)
5060 new_max = srto->srto_max;
5061 else
5062 new_max = inp->sctp_ep.sctp_maxrto;
5063 if (srto->srto_min)
5064 new_min = srto->srto_min;
5065 else
5066 new_min = inp->sctp_ep.sctp_minrto;
5067 if ((new_min <= new_init) && (new_init <= new_max)) {
5068 inp->sctp_ep.initial_rto = new_init;
5069 inp->sctp_ep.sctp_maxrto = new_max;
5070 inp->sctp_ep.sctp_minrto = new_min;
5071 } else {
5072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5073 error = EINVAL;
5074 }
5075 SCTP_INP_WUNLOCK(inp);
5076 } else {
5077 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5078 error = EINVAL;
5079 }
5080 }
5081 break;
5082 }
5083 case SCTP_ASSOCINFO:
5084 {
5085 struct sctp_assocparams *sasoc;
5086
5087 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize);
5088 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
5089 if (sasoc->sasoc_cookie_life) {
5090 /* boundary check the cookie life */
5091 if (sasoc->sasoc_cookie_life < 1000)
5092 sasoc->sasoc_cookie_life = 1000;
5093 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) {
5094 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE;
5095 }
5096 }
5097 if (stcb) {
5098 if (sasoc->sasoc_asocmaxrxt)
5099 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
5100 if (sasoc->sasoc_cookie_life) {
5101 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
5102 }
5103 SCTP_TCB_UNLOCK(stcb);
5104 } else {
5105 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5106 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5107 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
5108 SCTP_INP_WLOCK(inp);
5109 if (sasoc->sasoc_asocmaxrxt)
5110 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
5111 if (sasoc->sasoc_cookie_life) {
5112 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
5113 }
5114 SCTP_INP_WUNLOCK(inp);
5115 } else {
5116 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5117 error = EINVAL;
5118 }
5119 }
5120 break;
5121 }
5122 case SCTP_INITMSG:
5123 {
5124 struct sctp_initmsg *sinit;
5125
5126 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize);
5127 SCTP_INP_WLOCK(inp);
5128 if (sinit->sinit_num_ostreams)
5129 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams;
5130
5131 if (sinit->sinit_max_instreams)
5132 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams;
5133
5134 if (sinit->sinit_max_attempts)
5135 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts;
5136
5137 if (sinit->sinit_max_init_timeo)
5138 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo;
5139 SCTP_INP_WUNLOCK(inp);
5140 break;
5141 }
5142 case SCTP_PRIMARY_ADDR:
5143 {
5144 struct sctp_setprim *spa;
5145 struct sctp_nets *net;
5146
5147 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize);
5148 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id);
5149
5150 net = NULL;
5151 if (stcb) {
5152 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr);
5153 } else {
5154 /*
5155 * We increment here since
5156 * sctp_findassociation_ep_addr() wil do a
5157 * decrement if it finds the stcb as long as
5158 * the locked tcb (last argument) is NOT a
5159 * TCB.. aka NULL.
5160 */
5161 SCTP_INP_INCR_REF(inp);
5162 stcb = sctp_findassociation_ep_addr(&inp,
5163 (struct sockaddr *)&spa->ssp_addr,
5164 &net, NULL, NULL);
5165 if (stcb == NULL) {
5166 SCTP_INP_DECR_REF(inp);
5167 }
5168 }
5169
5170 if ((stcb) && (net)) {
5171 if ((net != stcb->asoc.primary_destination) &&
5172 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) {
5173 /* Ok we need to set it */
5174 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) {
5175 if ((stcb->asoc.alternate) &&
5176 (!(net->dest_state & SCTP_ADDR_PF)) &&
5177 (net->dest_state & SCTP_ADDR_REACHABLE)) {
5178 sctp_free_remote_addr(stcb->asoc.alternate);
5179 stcb->asoc.alternate = NULL;
5180 }
5181 }
5182 }
5183 } else {
5184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5185 error = EINVAL;
5186 }
5187 if (stcb) {
5188 SCTP_TCB_UNLOCK(stcb);
5189 }
5190 break;
5191 }
5192 case SCTP_SET_DYNAMIC_PRIMARY:
5193 {
5194 union sctp_sockstore *ss;
5195
5196 error = priv_check(curthread,
5197 PRIV_NETINET_RESERVEDPORT);
5198 if (error)
5199 break;
5200
5201 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize);
5202 /* SUPER USER CHECK? */
5203 error = sctp_dynamic_set_primary(&ss->sa, vrf_id);
5204 break;
5205 }
5206 case SCTP_SET_PEER_PRIMARY_ADDR:
5207 {
5208 struct sctp_setpeerprim *sspp;
5209
5210 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize);
5211 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id);
5212 if (stcb != NULL) {
5213 struct sctp_ifa *ifa;
5214
5215 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr,
5216 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED);
5217 if (ifa == NULL) {
5218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5219 error = EINVAL;
5220 goto out_of_it;
5221 }
5222 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
5223 /*
5224 * Must validate the ifa found is in
5225 * our ep
5226 */
5227 struct sctp_laddr *laddr;
5228 int found = 0;
5229
5230 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
5231 if (laddr->ifa == NULL) {
5232 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n",
5233 __FUNCTION__);
5234 continue;
5235 }
5236 if (laddr->ifa == ifa) {
5237 found = 1;
5238 break;
5239 }
5240 }
5241 if (!found) {
5242 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5243 error = EINVAL;
5244 goto out_of_it;
5245 }
5246 }
5247 if (sctp_set_primary_ip_address_sa(stcb,
5248 (struct sockaddr *)&sspp->sspp_addr) != 0) {
5249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5250 error = EINVAL;
5251 }
5252 out_of_it:
5253 SCTP_TCB_UNLOCK(stcb);
5254 } else {
5255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5256 error = EINVAL;
5257 }
5258 break;
5259 }
5260 case SCTP_BINDX_ADD_ADDR:
5261 {
5262 struct sctp_getaddresses *addrs;
5263 struct thread *td;
5264
5265 td = (struct thread *)p;
5266 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses,
5267 optsize);
5268 #ifdef INET
5269 if (addrs->addr->sa_family == AF_INET) {
5270 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
5271 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5272 error = EINVAL;
5273 break;
5274 }
5275 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
5276 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5277 break;
5278 }
5279 } else
5280 #endif
5281 #ifdef INET6
5282 if (addrs->addr->sa_family == AF_INET6) {
5283 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
5284 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5285 error = EINVAL;
5286 break;
5287 }
5288 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
5289 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
5290 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5291 break;
5292 }
5293 } else
5294 #endif
5295 {
5296 error = EAFNOSUPPORT;
5297 break;
5298 }
5299 sctp_bindx_add_address(so, inp, addrs->addr,
5300 addrs->sget_assoc_id, vrf_id,
5301 &error, p);
5302 break;
5303 }
5304 case SCTP_BINDX_REM_ADDR:
5305 {
5306 struct sctp_getaddresses *addrs;
5307 struct thread *td;
5308
5309 td = (struct thread *)p;
5310
5311 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize);
5312 #ifdef INET
5313 if (addrs->addr->sa_family == AF_INET) {
5314 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
5315 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5316 error = EINVAL;
5317 break;
5318 }
5319 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
5320 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5321 break;
5322 }
5323 } else
5324 #endif
5325 #ifdef INET6
5326 if (addrs->addr->sa_family == AF_INET6) {
5327 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
5328 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5329 error = EINVAL;
5330 break;
5331 }
5332 if (td != NULL &&
5333 (error = prison_local_ip6(td->td_ucred,
5334 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
5335 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
5336 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5337 break;
5338 }
5339 } else
5340 #endif
5341 {
5342 error = EAFNOSUPPORT;
5343 break;
5344 }
5345 sctp_bindx_delete_address(inp, addrs->addr,
5346 addrs->sget_assoc_id, vrf_id,
5347 &error);
5348 break;
5349 }
5350 case SCTP_EVENT:
5351 {
5352 struct sctp_event *event;
5353 uint32_t event_type;
5354
5355 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize);
5356 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
5357 switch (event->se_type) {
5358 case SCTP_ASSOC_CHANGE:
5359 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
5360 break;
5361 case SCTP_PEER_ADDR_CHANGE:
5362 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
5363 break;
5364 case SCTP_REMOTE_ERROR:
5365 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
5366 break;
5367 case SCTP_SEND_FAILED:
5368 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
5369 break;
5370 case SCTP_SHUTDOWN_EVENT:
5371 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
5372 break;
5373 case SCTP_ADAPTATION_INDICATION:
5374 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
5375 break;
5376 case SCTP_PARTIAL_DELIVERY_EVENT:
5377 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
5378 break;
5379 case SCTP_AUTHENTICATION_EVENT:
5380 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
5381 break;
5382 case SCTP_STREAM_RESET_EVENT:
5383 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
5384 break;
5385 case SCTP_SENDER_DRY_EVENT:
5386 event_type = SCTP_PCB_FLAGS_DRYEVNT;
5387 break;
5388 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
5389 event_type = 0;
5390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
5391 error = ENOTSUP;
5392 break;
5393 case SCTP_ASSOC_RESET_EVENT:
5394 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
5395 break;
5396 case SCTP_STREAM_CHANGE_EVENT:
5397 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
5398 break;
5399 case SCTP_SEND_FAILED_EVENT:
5400 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
5401 break;
5402 default:
5403 event_type = 0;
5404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5405 error = EINVAL;
5406 break;
5407 }
5408 if (event_type > 0) {
5409 if (stcb) {
5410 if (event->se_on) {
5411 sctp_stcb_feature_on(inp, stcb, event_type);
5412 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) {
5413 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
5414 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
5415 (stcb->asoc.stream_queue_cnt == 0)) {
5416 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
5417 }
5418 }
5419 } else {
5420 sctp_stcb_feature_off(inp, stcb, event_type);
5421 }
5422 SCTP_TCB_UNLOCK(stcb);
5423 } else {
5424 /*
5425 * We don't want to send up a storm
5426 * of events, so return an error for
5427 * sender dry events
5428 */
5429 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) &&
5430 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) &&
5431 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) &&
5432 ((event->se_assoc_id == SCTP_ALL_ASSOC) ||
5433 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) {
5434 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
5435 error = ENOTSUP;
5436 break;
5437 }
5438 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5439 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5440 (event->se_assoc_id == SCTP_FUTURE_ASSOC) ||
5441 (event->se_assoc_id == SCTP_ALL_ASSOC)) {
5442 SCTP_INP_WLOCK(inp);
5443 if (event->se_on) {
5444 sctp_feature_on(inp, event_type);
5445 } else {
5446 sctp_feature_off(inp, event_type);
5447 }
5448 SCTP_INP_WUNLOCK(inp);
5449 }
5450 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) ||
5451 (event->se_assoc_id == SCTP_ALL_ASSOC)) {
5452 SCTP_INP_RLOCK(inp);
5453 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5454 SCTP_TCB_LOCK(stcb);
5455 if (event->se_on) {
5456 sctp_stcb_feature_on(inp, stcb, event_type);
5457 } else {
5458 sctp_stcb_feature_off(inp, stcb, event_type);
5459 }
5460 SCTP_TCB_UNLOCK(stcb);
5461 }
5462 SCTP_INP_RUNLOCK(inp);
5463 }
5464 }
5465 }
5466 break;
5467 }
5468 case SCTP_RECVRCVINFO:
5469 {
5470 int *onoff;
5471
5472 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
5473 SCTP_INP_WLOCK(inp);
5474 if (*onoff != 0) {
5475 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
5476 } else {
5477 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
5478 }
5479 SCTP_INP_WUNLOCK(inp);
5480 break;
5481 }
5482 case SCTP_RECVNXTINFO:
5483 {
5484 int *onoff;
5485
5486 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
5487 SCTP_INP_WLOCK(inp);
5488 if (*onoff != 0) {
5489 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
5490 } else {
5491 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
5492 }
5493 SCTP_INP_WUNLOCK(inp);
5494 break;
5495 }
5496 case SCTP_DEFAULT_SNDINFO:
5497 {
5498 struct sctp_sndinfo *info;
5499 uint16_t policy;
5500
5501 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize);
5502 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
5503
5504 if (stcb) {
5505 if (info->snd_sid < stcb->asoc.streamoutcnt) {
5506 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
5507 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
5508 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
5509 stcb->asoc.def_send.sinfo_flags |= policy;
5510 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
5511 stcb->asoc.def_send.sinfo_context = info->snd_context;
5512 } else {
5513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5514 error = EINVAL;
5515 }
5516 SCTP_TCB_UNLOCK(stcb);
5517 } else {
5518 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5519 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5520 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) ||
5521 (info->snd_assoc_id == SCTP_ALL_ASSOC)) {
5522 SCTP_INP_WLOCK(inp);
5523 inp->def_send.sinfo_stream = info->snd_sid;
5524 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
5525 inp->def_send.sinfo_flags = info->snd_flags;
5526 inp->def_send.sinfo_flags |= policy;
5527 inp->def_send.sinfo_ppid = info->snd_ppid;
5528 inp->def_send.sinfo_context = info->snd_context;
5529 SCTP_INP_WUNLOCK(inp);
5530 }
5531 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) ||
5532 (info->snd_assoc_id == SCTP_ALL_ASSOC)) {
5533 SCTP_INP_RLOCK(inp);
5534 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5535 SCTP_TCB_LOCK(stcb);
5536 if (info->snd_sid < stcb->asoc.streamoutcnt) {
5537 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
5538 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
5539 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
5540 stcb->asoc.def_send.sinfo_flags |= policy;
5541 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
5542 stcb->asoc.def_send.sinfo_context = info->snd_context;
5543 }
5544 SCTP_TCB_UNLOCK(stcb);
5545 }
5546 SCTP_INP_RUNLOCK(inp);
5547 }
5548 }
5549 break;
5550 }
5551 case SCTP_DEFAULT_PRINFO:
5552 {
5553 struct sctp_default_prinfo *info;
5554
5555 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize);
5556 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
5557
5558 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) {
5559 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5560 error = EINVAL;
5561 break;
5562 }
5563 if (stcb) {
5564 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
5565 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
5566 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
5567 SCTP_TCB_UNLOCK(stcb);
5568 } else {
5569 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5570 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5571 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) ||
5572 (info->pr_assoc_id == SCTP_ALL_ASSOC)) {
5573 SCTP_INP_WLOCK(inp);
5574 inp->def_send.sinfo_flags &= 0xfff0;
5575 inp->def_send.sinfo_flags |= info->pr_policy;
5576 inp->def_send.sinfo_timetolive = info->pr_value;
5577 SCTP_INP_WUNLOCK(inp);
5578 }
5579 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) ||
5580 (info->pr_assoc_id == SCTP_ALL_ASSOC)) {
5581 SCTP_INP_RLOCK(inp);
5582 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5583 SCTP_TCB_LOCK(stcb);
5584 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
5585 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
5586 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
5587 SCTP_TCB_UNLOCK(stcb);
5588 }
5589 SCTP_INP_RUNLOCK(inp);
5590 }
5591 }
5592 break;
5593 }
5594 case SCTP_PEER_ADDR_THLDS:
5595 /* Applies to the specific association */
5596 {
5597 struct sctp_paddrthlds *thlds;
5598 struct sctp_nets *net;
5599
5600 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize);
5601 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
5602 net = NULL;
5603 if (stcb) {
5604 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id);
5605 } else {
5606 /*
5607 * We increment here since
5608 * sctp_findassociation_ep_addr() wil do a
5609 * decrement if it finds the stcb as long as
5610 * the locked tcb (last argument) is NOT a
5611 * TCB.. aka NULL.
5612 */
5613 SCTP_INP_INCR_REF(inp);
5614 stcb = sctp_findassociation_ep_addr(&inp,
5615 (struct sockaddr *)&thlds->spt_assoc_id,
5616 &net, NULL, NULL);
5617 if (stcb == NULL) {
5618 SCTP_INP_DECR_REF(inp);
5619 }
5620 }
5621 if (stcb && (net == NULL)) {
5622 struct sockaddr *sa;
5623
5624 sa = (struct sockaddr *)&thlds->spt_assoc_id;
5625 #ifdef INET
5626 if (sa->sa_family == AF_INET) {
5627
5628 struct sockaddr_in *sin;
5629
5630 sin = (struct sockaddr_in *)sa;
5631 if (sin->sin_addr.s_addr) {
5632 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5633 SCTP_TCB_UNLOCK(stcb);
5634 error = EINVAL;
5635 break;
5636 }
5637 } else
5638 #endif
5639 #ifdef INET6
5640 if (sa->sa_family == AF_INET6) {
5641 struct sockaddr_in6 *sin6;
5642
5643 sin6 = (struct sockaddr_in6 *)sa;
5644 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
5645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5646 SCTP_TCB_UNLOCK(stcb);
5647 error = EINVAL;
5648 break;
5649 }
5650 } else
5651 #endif
5652 {
5653 error = EAFNOSUPPORT;
5654 SCTP_TCB_UNLOCK(stcb);
5655 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
5656 break;
5657 }
5658 }
5659 if (stcb) {
5660 if (net) {
5661 if (net->dest_state & SCTP_ADDR_PF) {
5662 if ((net->failure_threshold > thlds->spt_pathmaxrxt) ||
5663 (net->failure_threshold <= thlds->spt_pathpfthld)) {
5664 net->dest_state &= ~SCTP_ADDR_PF;
5665 }
5666 } else {
5667 if ((net->failure_threshold > thlds->spt_pathpfthld) &&
5668 (net->failure_threshold <= thlds->spt_pathmaxrxt)) {
5669 net->dest_state |= SCTP_ADDR_PF;
5670 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5671 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
5672 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5673 }
5674 }
5675 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5676 if (net->failure_threshold > thlds->spt_pathmaxrxt) {
5677 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5678 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5679 }
5680 } else {
5681 if (net->failure_threshold <= thlds->spt_pathmaxrxt) {
5682 net->dest_state |= SCTP_ADDR_REACHABLE;
5683 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5684 }
5685 }
5686 net->failure_threshold = thlds->spt_pathmaxrxt;
5687 net->pf_threshold = thlds->spt_pathpfthld;
5688 } else {
5689 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5690 if (net->dest_state & SCTP_ADDR_PF) {
5691 if ((net->failure_threshold > thlds->spt_pathmaxrxt) ||
5692 (net->failure_threshold <= thlds->spt_pathpfthld)) {
5693 net->dest_state &= ~SCTP_ADDR_PF;
5694 }
5695 } else {
5696 if ((net->failure_threshold > thlds->spt_pathpfthld) &&
5697 (net->failure_threshold <= thlds->spt_pathmaxrxt)) {
5698 net->dest_state |= SCTP_ADDR_PF;
5699 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5700 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
5701 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5702 }
5703 }
5704 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5705 if (net->failure_threshold > thlds->spt_pathmaxrxt) {
5706 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5707 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5708 }
5709 } else {
5710 if (net->failure_threshold <= thlds->spt_pathmaxrxt) {
5711 net->dest_state |= SCTP_ADDR_REACHABLE;
5712 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5713 }
5714 }
5715 net->failure_threshold = thlds->spt_pathmaxrxt;
5716 net->pf_threshold = thlds->spt_pathpfthld;
5717 }
5718 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt;
5719 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld;
5720 }
5721 } else {
5722 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5723 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5724 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) {
5725 SCTP_INP_WLOCK(inp);
5726 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt;
5727 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld;
5728 SCTP_INP_WUNLOCK(inp);
5729 } else {
5730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5731 error = EINVAL;
5732 }
5733 }
5734 break;
5735 }
5736 case SCTP_REMOTE_UDP_ENCAPS_PORT:
5737 {
5738 struct sctp_udpencaps *encaps;
5739 struct sctp_nets *net;
5740
5741 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize);
5742 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
5743 if (stcb) {
5744 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address);
5745 } else {
5746 /*
5747 * We increment here since
5748 * sctp_findassociation_ep_addr() wil do a
5749 * decrement if it finds the stcb as long as
5750 * the locked tcb (last argument) is NOT a
5751 * TCB.. aka NULL.
5752 */
5753 net = NULL;
5754 SCTP_INP_INCR_REF(inp);
5755 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL);
5756 if (stcb == NULL) {
5757 SCTP_INP_DECR_REF(inp);
5758 }
5759 }
5760 if (stcb && (net == NULL)) {
5761 struct sockaddr *sa;
5762
5763 sa = (struct sockaddr *)&encaps->sue_address;
5764 #ifdef INET
5765 if (sa->sa_family == AF_INET) {
5766
5767 struct sockaddr_in *sin;
5768
5769 sin = (struct sockaddr_in *)sa;
5770 if (sin->sin_addr.s_addr) {
5771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5772 SCTP_TCB_UNLOCK(stcb);
5773 error = EINVAL;
5774 break;
5775 }
5776 } else
5777 #endif
5778 #ifdef INET6
5779 if (sa->sa_family == AF_INET6) {
5780 struct sockaddr_in6 *sin6;
5781
5782 sin6 = (struct sockaddr_in6 *)sa;
5783 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
5784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5785 SCTP_TCB_UNLOCK(stcb);
5786 error = EINVAL;
5787 break;
5788 }
5789 } else
5790 #endif
5791 {
5792 error = EAFNOSUPPORT;
5793 SCTP_TCB_UNLOCK(stcb);
5794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
5795 break;
5796 }
5797 }
5798 if (stcb) {
5799 if (net) {
5800 net->port = encaps->sue_port;
5801 } else {
5802 stcb->asoc.port = encaps->sue_port;
5803 }
5804 SCTP_TCB_UNLOCK(stcb);
5805 } else {
5806 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5807 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5808 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) {
5809 SCTP_INP_WLOCK(inp);
5810 inp->sctp_ep.port = encaps->sue_port;
5811 SCTP_INP_WUNLOCK(inp);
5812 } else {
5813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5814 error = EINVAL;
5815 }
5816 }
5817 break;
5818 }
5819 default:
5820 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
5821 error = ENOPROTOOPT;
5822 break;
5823 } /* end switch (opt) */
5824 return (error);
5825 }
5826
5827 int
5828 sctp_ctloutput(struct socket *so, struct sockopt *sopt)
5829 {
5830 void *optval = NULL;
5831 size_t optsize = 0;
5832 void *p;
5833 int error = 0;
5834
5835 if (sopt->sopt_level != IPPROTO_SCTP) {
5836 /* wrong proto level... send back up to IP */
5837 #ifdef INET6
5838 if (INP_CHECK_SOCKAF(so, AF_INET6))
5839 error = ip6_ctloutput(so, sopt);
5840 #endif /* INET6 */
5841 #if defined(INET) && defined(INET6)
5842 else
5843 #endif
5844 #ifdef INET
5845 error = ip_ctloutput(so, sopt);
5846 #endif
5847 return (error);
5848 }
5849 optsize = sopt->sopt_valsize;
5850 if (optsize) {
5851 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT);
5852 if (optval == NULL) {
5853 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
5854 return (ENOBUFS);
5855 }
5856 error = sooptcopyin(sopt, optval, optsize, optsize);
5857 if (error) {
5858 SCTP_FREE(optval, SCTP_M_SOCKOPT);
5859 goto out;
5860 }
5861 }
5862 p = (void *)sopt->sopt_td;
5863 if (sopt->sopt_dir == SOPT_SET) {
5864 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p);
5865 } else if (sopt->sopt_dir == SOPT_GET) {
5866 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p);
5867 } else {
5868 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5869 error = EINVAL;
5870 }
5871 if ((error == 0) && (optval != NULL)) {
5872 error = sooptcopyout(sopt, optval, optsize);
5873 SCTP_FREE(optval, SCTP_M_SOCKOPT);
5874 } else if (optval != NULL) {
5875 SCTP_FREE(optval, SCTP_M_SOCKOPT);
5876 }
5877 out:
5878 return (error);
5879 }
5880
5881 #ifdef INET
5882 static int
5883 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
5884 {
5885 int error = 0;
5886 int create_lock_on = 0;
5887 uint32_t vrf_id;
5888 struct sctp_inpcb *inp;
5889 struct sctp_tcb *stcb = NULL;
5890
5891 inp = (struct sctp_inpcb *)so->so_pcb;
5892 if (inp == NULL) {
5893 /* I made the same as TCP since we are not setup? */
5894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5895 return (ECONNRESET);
5896 }
5897 if (addr == NULL) {
5898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5899 return EINVAL;
5900 }
5901 switch (addr->sa_family) {
5902 #ifdef INET6
5903 case AF_INET6:
5904 {
5905 struct sockaddr_in6 *sin6p;
5906
5907 if (addr->sa_len != sizeof(struct sockaddr_in6)) {
5908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5909 return (EINVAL);
5910 }
5911 sin6p = (struct sockaddr_in6 *)addr;
5912 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) {
5913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
5914 return (error);
5915 }
5916 break;
5917 }
5918 #endif
5919 #ifdef INET
5920 case AF_INET:
5921 {
5922 struct sockaddr_in *sinp;
5923
5924 if (addr->sa_len != sizeof(struct sockaddr_in)) {
5925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5926 return (EINVAL);
5927 }
5928 sinp = (struct sockaddr_in *)addr;
5929 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) {
5930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
5931 return (error);
5932 }
5933 break;
5934 }
5935 #endif
5936 default:
5937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
5938 return (EAFNOSUPPORT);
5939 }
5940 SCTP_INP_INCR_REF(inp);
5941 SCTP_ASOC_CREATE_LOCK(inp);
5942 create_lock_on = 1;
5943
5944
5945 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
5946 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
5947 /* Should I really unlock ? */
5948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
5949 error = EFAULT;
5950 goto out_now;
5951 }
5952 #ifdef INET6
5953 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
5954 (addr->sa_family == AF_INET6)) {
5955 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5956 error = EINVAL;
5957 goto out_now;
5958 }
5959 #endif
5960 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
5961 SCTP_PCB_FLAGS_UNBOUND) {
5962 /* Bind a ephemeral port */
5963 error = sctp_inpcb_bind(so, NULL, NULL, p);
5964 if (error) {
5965 goto out_now;
5966 }
5967 }
5968 /* Now do we connect? */
5969 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
5970 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
5971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5972 error = EINVAL;
5973 goto out_now;
5974 }
5975 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
5976 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
5977 /* We are already connected AND the TCP model */
5978 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
5979 error = EADDRINUSE;
5980 goto out_now;
5981 }
5982 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
5983 SCTP_INP_RLOCK(inp);
5984 stcb = LIST_FIRST(&inp->sctp_asoc_list);
5985 SCTP_INP_RUNLOCK(inp);
5986 } else {
5987 /*
5988 * We increment here since sctp_findassociation_ep_addr()
5989 * will do a decrement if it finds the stcb as long as the
5990 * locked tcb (last argument) is NOT a TCB.. aka NULL.
5991 */
5992 SCTP_INP_INCR_REF(inp);
5993 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
5994 if (stcb == NULL) {
5995 SCTP_INP_DECR_REF(inp);
5996 } else {
5997 SCTP_TCB_UNLOCK(stcb);
5998 }
5999 }
6000 if (stcb != NULL) {
6001 /* Already have or am bring up an association */
6002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
6003 error = EALREADY;
6004 goto out_now;
6005 }
6006 vrf_id = inp->def_vrf_id;
6007 /* We are GOOD to go */
6008 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p);
6009 if (stcb == NULL) {
6010 /* Gak! no memory */
6011 goto out_now;
6012 }
6013 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
6014 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
6015 /* Set the connected flag so we can queue data */
6016 soisconnecting(so);
6017 }
6018 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
6019 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
6020
6021 /* initialize authentication parameters for the assoc */
6022 sctp_initialize_auth_params(inp, stcb);
6023
6024 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
6025 SCTP_TCB_UNLOCK(stcb);
6026 out_now:
6027 if (create_lock_on) {
6028 SCTP_ASOC_CREATE_UNLOCK(inp);
6029 }
6030 SCTP_INP_DECR_REF(inp);
6031 return (error);
6032 }
6033
6034 #endif
6035
6036 int
6037 sctp_listen(struct socket *so, int backlog, struct thread *p)
6038 {
6039 /*
6040 * Note this module depends on the protocol processing being called
6041 * AFTER any socket level flags and backlog are applied to the
6042 * socket. The traditional way that the socket flags are applied is
6043 * AFTER protocol processing. We have made a change to the
6044 * sys/kern/uipc_socket.c module to reverse this but this MUST be in
6045 * place if the socket API for SCTP is to work properly.
6046 */
6047
6048 int error = 0;
6049 struct sctp_inpcb *inp;
6050
6051 inp = (struct sctp_inpcb *)so->so_pcb;
6052 if (inp == NULL) {
6053 /* I made the same as TCP since we are not setup? */
6054 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6055 return (ECONNRESET);
6056 }
6057 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) {
6058 /* See if we have a listener */
6059 struct sctp_inpcb *tinp;
6060 union sctp_sockstore store, *sp;
6061
6062 sp = &store;
6063 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
6064 /* not bound all */
6065 struct sctp_laddr *laddr;
6066
6067 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
6068 memcpy(&store, &laddr->ifa->address, sizeof(store));
6069 switch (sp->sa.sa_family) {
6070 #ifdef INET
6071 case AF_INET:
6072 sp->sin.sin_port = inp->sctp_lport;
6073 break;
6074 #endif
6075 #ifdef INET6
6076 case AF_INET6:
6077 sp->sin6.sin6_port = inp->sctp_lport;
6078 break;
6079 #endif
6080 default:
6081 break;
6082 }
6083 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id);
6084 if (tinp && (tinp != inp) &&
6085 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
6086 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
6087 (tinp->sctp_socket->so_qlimit)) {
6088 /*
6089 * we have a listener already and
6090 * its not this inp.
6091 */
6092 SCTP_INP_DECR_REF(tinp);
6093 return (EADDRINUSE);
6094 } else if (tinp) {
6095 SCTP_INP_DECR_REF(tinp);
6096 }
6097 }
6098 } else {
6099 /* Setup a local addr bound all */
6100 memset(&store, 0, sizeof(store));
6101 switch (sp->sa.sa_family) {
6102 #ifdef INET
6103 case AF_INET:
6104 store.sin.sin_port = inp->sctp_lport;
6105 break;
6106 #endif
6107 #ifdef INET6
6108 case AF_INET6:
6109 sp->sin6.sin6_port = inp->sctp_lport;
6110 break;
6111 #endif
6112 default:
6113 break;
6114 }
6115 #ifdef INET6
6116 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
6117 store.sa.sa_family = AF_INET6;
6118 store.sa.sa_len = sizeof(struct sockaddr_in6);
6119 }
6120 #endif
6121 #ifdef INET
6122 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {
6123 store.sa.sa_family = AF_INET;
6124 store.sa.sa_len = sizeof(struct sockaddr_in);
6125 }
6126 #endif
6127 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id);
6128 if (tinp && (tinp != inp) &&
6129 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
6130 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
6131 (tinp->sctp_socket->so_qlimit)) {
6132 /*
6133 * we have a listener already and its not
6134 * this inp.
6135 */
6136 SCTP_INP_DECR_REF(tinp);
6137 return (EADDRINUSE);
6138 } else if (tinp) {
6139 SCTP_INP_DECR_REF(inp);
6140 }
6141 }
6142 }
6143 SCTP_INP_RLOCK(inp);
6144 #ifdef SCTP_LOCK_LOGGING
6145 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) {
6146 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
6147 }
6148 #endif
6149 SOCK_LOCK(so);
6150 error = solisten_proto_check(so);
6151 if (error) {
6152 SOCK_UNLOCK(so);
6153 SCTP_INP_RUNLOCK(inp);
6154 return (error);
6155 }
6156 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&
6157 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
6158 /*
6159 * The unlucky case - We are in the tcp pool with this guy.
6160 * - Someone else is in the main inp slot. - We must move
6161 * this guy (the listener) to the main slot - We must then
6162 * move the guy that was listener to the TCP Pool.
6163 */
6164 if (sctp_swap_inpcb_for_listen(inp)) {
6165 goto in_use;
6166 }
6167 }
6168 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
6169 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
6170 /* We are already connected AND the TCP model */
6171 in_use:
6172 SCTP_INP_RUNLOCK(inp);
6173 SOCK_UNLOCK(so);
6174 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
6175 return (EADDRINUSE);
6176 }
6177 SCTP_INP_RUNLOCK(inp);
6178 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
6179 /* We must do a bind. */
6180 SOCK_UNLOCK(so);
6181 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) {
6182 /* bind error, probably perm */
6183 return (error);
6184 }
6185 SOCK_LOCK(so);
6186 }
6187 /* It appears for 7.0 and on, we must always call this. */
6188 solisten_proto(so, backlog);
6189 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
6190 /* remove the ACCEPTCONN flag for one-to-many sockets */
6191 so->so_options &= ~SO_ACCEPTCONN;
6192 }
6193 if (backlog == 0) {
6194 /* turning off listen */
6195 so->so_options &= ~SO_ACCEPTCONN;
6196 }
6197 SOCK_UNLOCK(so);
6198 return (error);
6199 }
6200
6201 static int sctp_defered_wakeup_cnt = 0;
6202
6203 int
6204 sctp_accept(struct socket *so, struct sockaddr **addr)
6205 {
6206 struct sctp_tcb *stcb;
6207 struct sctp_inpcb *inp;
6208 union sctp_sockstore store;
6209
6210 #ifdef INET6
6211 int error;
6212
6213 #endif
6214 inp = (struct sctp_inpcb *)so->so_pcb;
6215
6216 if (inp == NULL) {
6217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6218 return (ECONNRESET);
6219 }
6220 SCTP_INP_RLOCK(inp);
6221 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
6222 SCTP_INP_RUNLOCK(inp);
6223 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
6224 return (EOPNOTSUPP);
6225 }
6226 if (so->so_state & SS_ISDISCONNECTED) {
6227 SCTP_INP_RUNLOCK(inp);
6228 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED);
6229 return (ECONNABORTED);
6230 }
6231 stcb = LIST_FIRST(&inp->sctp_asoc_list);
6232 if (stcb == NULL) {
6233 SCTP_INP_RUNLOCK(inp);
6234 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6235 return (ECONNRESET);
6236 }
6237 SCTP_TCB_LOCK(stcb);
6238 SCTP_INP_RUNLOCK(inp);
6239 store = stcb->asoc.primary_destination->ro._l_addr;
6240 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE;
6241 SCTP_TCB_UNLOCK(stcb);
6242 switch (store.sa.sa_family) {
6243 #ifdef INET
6244 case AF_INET:
6245 {
6246 struct sockaddr_in *sin;
6247
6248 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
6249 if (sin == NULL)
6250 return (ENOMEM);
6251 sin->sin_family = AF_INET;
6252 sin->sin_len = sizeof(*sin);
6253 sin->sin_port = store.sin.sin_port;
6254 sin->sin_addr = store.sin.sin_addr;
6255 *addr = (struct sockaddr *)sin;
6256 break;
6257 }
6258 #endif
6259 #ifdef INET6
6260 case AF_INET6:
6261 {
6262 struct sockaddr_in6 *sin6;
6263
6264 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
6265 if (sin6 == NULL)
6266 return (ENOMEM);
6267 sin6->sin6_family = AF_INET6;
6268 sin6->sin6_len = sizeof(*sin6);
6269 sin6->sin6_port = store.sin6.sin6_port;
6270 sin6->sin6_addr = store.sin6.sin6_addr;
6271 if ((error = sa6_recoverscope(sin6)) != 0) {
6272 SCTP_FREE_SONAME(sin6);
6273 return (error);
6274 }
6275 *addr = (struct sockaddr *)sin6;
6276 break;
6277 }
6278 #endif
6279 default:
6280 /* TSNH */
6281 break;
6282 }
6283 /* Wake any delayed sleep action */
6284 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
6285 SCTP_INP_WLOCK(inp);
6286 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
6287 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
6288 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
6289 SCTP_INP_WUNLOCK(inp);
6290 SOCKBUF_LOCK(&inp->sctp_socket->so_snd);
6291 if (sowriteable(inp->sctp_socket)) {
6292 sowwakeup_locked(inp->sctp_socket);
6293 } else {
6294 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd);
6295 }
6296 SCTP_INP_WLOCK(inp);
6297 }
6298 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
6299 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
6300 SCTP_INP_WUNLOCK(inp);
6301 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv);
6302 if (soreadable(inp->sctp_socket)) {
6303 sctp_defered_wakeup_cnt++;
6304 sorwakeup_locked(inp->sctp_socket);
6305 } else {
6306 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv);
6307 }
6308 SCTP_INP_WLOCK(inp);
6309 }
6310 SCTP_INP_WUNLOCK(inp);
6311 }
6312 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
6313 SCTP_TCB_LOCK(stcb);
6314 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7);
6315 }
6316 return (0);
6317 }
6318
6319 #ifdef INET
6320 int
6321 sctp_ingetaddr(struct socket *so, struct sockaddr **addr)
6322 {
6323 struct sockaddr_in *sin;
6324 uint32_t vrf_id;
6325 struct sctp_inpcb *inp;
6326 struct sctp_ifa *sctp_ifa;
6327
6328 /*
6329 * Do the malloc first in case it blocks.
6330 */
6331 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
6332 if (sin == NULL)
6333 return (ENOMEM);
6334 sin->sin_family = AF_INET;
6335 sin->sin_len = sizeof(*sin);
6336 inp = (struct sctp_inpcb *)so->so_pcb;
6337 if (!inp) {
6338 SCTP_FREE_SONAME(sin);
6339 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6340 return (ECONNRESET);
6341 }
6342 SCTP_INP_RLOCK(inp);
6343 sin->sin_port = inp->sctp_lport;
6344 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
6345 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
6346 struct sctp_tcb *stcb;
6347 struct sockaddr_in *sin_a;
6348 struct sctp_nets *net;
6349 int fnd;
6350
6351 stcb = LIST_FIRST(&inp->sctp_asoc_list);
6352 if (stcb == NULL) {
6353 goto notConn;
6354 }
6355 fnd = 0;
6356 sin_a = NULL;
6357 SCTP_TCB_LOCK(stcb);
6358 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6359 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
6360 if (sin_a == NULL)
6361 /* this will make coverity happy */
6362 continue;
6363
6364 if (sin_a->sin_family == AF_INET) {
6365 fnd = 1;
6366 break;
6367 }
6368 }
6369 if ((!fnd) || (sin_a == NULL)) {
6370 /* punt */
6371 SCTP_TCB_UNLOCK(stcb);
6372 goto notConn;
6373 }
6374 vrf_id = inp->def_vrf_id;
6375 sctp_ifa = sctp_source_address_selection(inp,
6376 stcb,
6377 (sctp_route_t *) & net->ro,
6378 net, 0, vrf_id);
6379 if (sctp_ifa) {
6380 sin->sin_addr = sctp_ifa->address.sin.sin_addr;
6381 sctp_free_ifa(sctp_ifa);
6382 }
6383 SCTP_TCB_UNLOCK(stcb);
6384 } else {
6385 /* For the bound all case you get back 0 */
6386 notConn:
6387 sin->sin_addr.s_addr = 0;
6388 }
6389
6390 } else {
6391 /* Take the first IPv4 address in the list */
6392 struct sctp_laddr *laddr;
6393 int fnd = 0;
6394
6395 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
6396 if (laddr->ifa->address.sa.sa_family == AF_INET) {
6397 struct sockaddr_in *sin_a;
6398
6399 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa;
6400 sin->sin_addr = sin_a->sin_addr;
6401 fnd = 1;
6402 break;
6403 }
6404 }
6405 if (!fnd) {
6406 SCTP_FREE_SONAME(sin);
6407 SCTP_INP_RUNLOCK(inp);
6408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
6409 return (ENOENT);
6410 }
6411 }
6412 SCTP_INP_RUNLOCK(inp);
6413 (*addr) = (struct sockaddr *)sin;
6414 return (0);
6415 }
6416
6417 int
6418 sctp_peeraddr(struct socket *so, struct sockaddr **addr)
6419 {
6420 struct sockaddr_in *sin;
6421 int fnd;
6422 struct sockaddr_in *sin_a;
6423 struct sctp_inpcb *inp;
6424 struct sctp_tcb *stcb;
6425 struct sctp_nets *net;
6426
6427 /* Do the malloc first in case it blocks. */
6428 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
6429 if (sin == NULL)
6430 return (ENOMEM);
6431 sin->sin_family = AF_INET;
6432 sin->sin_len = sizeof(*sin);
6433
6434 inp = (struct sctp_inpcb *)so->so_pcb;
6435 if ((inp == NULL) ||
6436 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
6437 /* UDP type and listeners will drop out here */
6438 SCTP_FREE_SONAME(sin);
6439 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
6440 return (ENOTCONN);
6441 }
6442 SCTP_INP_RLOCK(inp);
6443 stcb = LIST_FIRST(&inp->sctp_asoc_list);
6444 if (stcb) {
6445 SCTP_TCB_LOCK(stcb);
6446 }
6447 SCTP_INP_RUNLOCK(inp);
6448 if (stcb == NULL) {
6449 SCTP_FREE_SONAME(sin);
6450 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6451 return (ECONNRESET);
6452 }
6453 fnd = 0;
6454 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6455 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
6456 if (sin_a->sin_family == AF_INET) {
6457 fnd = 1;
6458 sin->sin_port = stcb->rport;
6459 sin->sin_addr = sin_a->sin_addr;
6460 break;
6461 }
6462 }
6463 SCTP_TCB_UNLOCK(stcb);
6464 if (!fnd) {
6465 /* No IPv4 address */
6466 SCTP_FREE_SONAME(sin);
6467 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
6468 return (ENOENT);
6469 }
6470 (*addr) = (struct sockaddr *)sin;
6471 return (0);
6472 }
6473
6474 struct pr_usrreqs sctp_usrreqs = {
6475 .pru_abort = sctp_abort,
6476 .pru_accept = sctp_accept,
6477 .pru_attach = sctp_attach,
6478 .pru_bind = sctp_bind,
6479 .pru_connect = sctp_connect,
6480 .pru_control = in_control,
6481 .pru_close = sctp_close,
6482 .pru_detach = sctp_close,
6483 .pru_sopoll = sopoll_generic,
6484 .pru_flush = sctp_flush,
6485 .pru_disconnect = sctp_disconnect,
6486 .pru_listen = sctp_listen,
6487 .pru_peeraddr = sctp_peeraddr,
6488 .pru_send = sctp_sendm,
6489 .pru_shutdown = sctp_shutdown,
6490 .pru_sockaddr = sctp_ingetaddr,
6491 .pru_sosend = sctp_sosend,
6492 .pru_soreceive = sctp_soreceive
6493 };
6494
6495 #endif
Cache object: 0ee7b48794c4d1fc4c293951e67d4c2b
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