1 /*-
2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * a) Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 *
12 * b) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the distribution.
15 *
16 * c) Neither the name of Cisco Systems, Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
35
36 #include <netinet/sctp_os.h>
37 #include <sys/proc.h>
38 #include <netinet/sctp_pcb.h>
39 #include <netinet/sctp_header.h>
40 #include <netinet/sctp_var.h>
41 #ifdef INET6
42 #include <netinet6/sctp6_var.h>
43 #endif
44 #include <netinet/sctp_sysctl.h>
45 #include <netinet/sctp_output.h>
46 #include <netinet/sctp_uio.h>
47 #include <netinet/sctp_asconf.h>
48 #include <netinet/sctputil.h>
49 #include <netinet/sctp_indata.h>
50 #include <netinet/sctp_timer.h>
51 #include <netinet/sctp_auth.h>
52 #include <netinet/sctp_bsd_addr.h>
53 #include <netinet/udp.h>
54
55
56
57 extern const struct sctp_cc_functions sctp_cc_functions[];
58 extern const struct sctp_ss_functions sctp_ss_functions[];
59
60 void
61 sctp_init(void)
62 {
63 u_long sb_max_adj;
64
65 /* Initialize and modify the sysctled variables */
66 sctp_init_sysctls();
67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8);
69 /*
70 * Allow a user to take no more than 1/2 the number of clusters or
71 * the SB_MAX whichever is smaller for the send window.
72 */
73 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES));
74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj,
75 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT));
76 /*
77 * Now for the recv window, should we take the same amount? or
78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For
79 * now I will just copy.
80 */
81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace);
82 SCTP_BASE_VAR(first_time) = 0;
83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0;
84 sctp_pcb_init();
85 #if defined(SCTP_PACKET_LOGGING)
86 SCTP_BASE_VAR(packet_log_writers) = 0;
87 SCTP_BASE_VAR(packet_log_end) = 0;
88 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE);
89 #endif
90 }
91
92 #ifdef VIMAGE
93 static void
94 sctp_finish(void *unused __unused)
95 {
96 sctp_pcb_finish();
97 }
98
99 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL);
100 #endif
101
102 void
103 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz)
104 {
105 struct sctp_tmit_chunk *chk;
106 uint16_t overhead;
107
108 /* Adjust that too */
109 stcb->asoc.smallest_mtu = nxtsz;
110 /* now off to subtract IP_DF flag if needed */
111 overhead = IP_HDR_SIZE + sizeof(struct sctphdr);
112 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) {
113 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id);
114 }
115 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) {
116 if ((chk->send_size + overhead) > nxtsz) {
117 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
118 }
119 }
120 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) {
121 if ((chk->send_size + overhead) > nxtsz) {
122 /*
123 * For this guy we also mark for immediate resend
124 * since we sent to big of chunk
125 */
126 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
127 if (chk->sent < SCTP_DATAGRAM_RESEND) {
128 sctp_flight_size_decrease(chk);
129 sctp_total_flight_decrease(stcb, chk);
130 chk->sent = SCTP_DATAGRAM_RESEND;
131 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
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 (uint32_t)(uintptr_t)chk->whoTo,
138 chk->rec.data.tsn);
139 }
140 /* Clear any time so NO RTT is being done */
141 if (chk->do_rtt == 1) {
142 chk->do_rtt = 0;
143 chk->whoTo->rto_needed = 1;
144 }
145 }
146 }
147 }
148 }
149
150 #ifdef INET
151 void
152 sctp_notify(struct sctp_inpcb *inp,
153 struct sctp_tcb *stcb,
154 struct sctp_nets *net,
155 uint8_t icmp_type,
156 uint8_t icmp_code,
157 uint16_t ip_len,
158 uint32_t next_mtu)
159 {
160 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
161 struct socket *so;
162 #endif
163 int timer_stopped;
164
165 if (icmp_type != ICMP_UNREACH) {
166 /* We only care about unreachable */
167 SCTP_TCB_UNLOCK(stcb);
168 return;
169 }
170 if ((icmp_code == ICMP_UNREACH_NET) ||
171 (icmp_code == ICMP_UNREACH_HOST) ||
172 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) ||
173 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) ||
174 (icmp_code == ICMP_UNREACH_ISOLATED) ||
175 (icmp_code == ICMP_UNREACH_NET_PROHIB) ||
176 (icmp_code == ICMP_UNREACH_HOST_PROHIB) ||
177 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) {
178 /* Mark the net unreachable. */
179 if (net->dest_state & SCTP_ADDR_REACHABLE) {
180 /* OK, that destination is NOT reachable. */
181 net->dest_state &= ~SCTP_ADDR_REACHABLE;
182 net->dest_state &= ~SCTP_ADDR_PF;
183 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN,
184 stcb, 0,
185 (void *)net, SCTP_SO_NOT_LOCKED);
186 }
187 SCTP_TCB_UNLOCK(stcb);
188 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) ||
189 (icmp_code == ICMP_UNREACH_PORT)) {
190 /* Treat it like an ABORT. */
191 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED);
192 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
193 so = SCTP_INP_SO(inp);
194 atomic_add_int(&stcb->asoc.refcnt, 1);
195 SCTP_TCB_UNLOCK(stcb);
196 SCTP_SOCKET_LOCK(so, 1);
197 SCTP_TCB_LOCK(stcb);
198 atomic_subtract_int(&stcb->asoc.refcnt, 1);
199 #endif
200 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
201 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2);
202 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
203 SCTP_SOCKET_UNLOCK(so, 1);
204 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */
205 #endif
206 /* no need to unlock here, since the TCB is gone */
207 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) {
208 if (net->dest_state & SCTP_ADDR_NO_PMTUD) {
209 SCTP_TCB_UNLOCK(stcb);
210 return;
211 }
212 /* Find the next (smaller) MTU */
213 if (next_mtu == 0) {
214 /*
215 * Old type router that does not tell us what the
216 * next MTU is. Rats we will have to guess (in a
217 * educated fashion of course).
218 */
219 next_mtu = sctp_get_prev_mtu(ip_len);
220 }
221 /* Stop the PMTU timer. */
222 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
223 timer_stopped = 1;
224 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
225 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1);
226 } else {
227 timer_stopped = 0;
228 }
229 /* Update the path MTU. */
230 if (net->port) {
231 next_mtu -= sizeof(struct udphdr);
232 }
233 if (net->mtu > next_mtu) {
234 net->mtu = next_mtu;
235 if (net->port) {
236 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr));
237 } else {
238 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu);
239 }
240 }
241 /* Update the association MTU */
242 if (stcb->asoc.smallest_mtu > next_mtu) {
243 sctp_pathmtu_adjustment(stcb, next_mtu);
244 }
245 /* Finally, start the PMTU timer if it was running before. */
246 if (timer_stopped) {
247 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
248 }
249 SCTP_TCB_UNLOCK(stcb);
250 } else {
251 SCTP_TCB_UNLOCK(stcb);
252 }
253 }
254
255 void
256 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip)
257 {
258 struct ip *outer_ip;
259 struct ip *inner_ip;
260 struct sctphdr *sh;
261 struct icmp *icmp;
262 struct sctp_inpcb *inp;
263 struct sctp_tcb *stcb;
264 struct sctp_nets *net;
265 struct sctp_init_chunk *ch;
266 struct sockaddr_in src, dst;
267
268 if (sa->sa_family != AF_INET ||
269 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) {
270 return;
271 }
272 if (PRC_IS_REDIRECT(cmd)) {
273 vip = NULL;
274 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) {
275 return;
276 }
277 if (vip != NULL) {
278 inner_ip = (struct ip *)vip;
279 icmp = (struct icmp *)((caddr_t)inner_ip -
280 (sizeof(struct icmp) - sizeof(struct ip)));
281 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip));
282 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2));
283 memset(&src, 0, sizeof(struct sockaddr_in));
284 src.sin_family = AF_INET;
285 src.sin_len = sizeof(struct sockaddr_in);
286 src.sin_port = sh->src_port;
287 src.sin_addr = inner_ip->ip_src;
288 memset(&dst, 0, sizeof(struct sockaddr_in));
289 dst.sin_family = AF_INET;
290 dst.sin_len = sizeof(struct sockaddr_in);
291 dst.sin_port = sh->dest_port;
292 dst.sin_addr = inner_ip->ip_dst;
293 /*
294 * 'dst' holds the dest of the packet that failed to be
295 * sent. 'src' holds our local endpoint address. Thus we
296 * reverse the dst and the src in the lookup.
297 */
298 inp = NULL;
299 net = NULL;
300 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst,
301 (struct sockaddr *)&src,
302 &inp, &net, 1,
303 SCTP_DEFAULT_VRFID);
304 if ((stcb != NULL) &&
305 (net != NULL) &&
306 (inp != NULL)) {
307 /* Check the verification tag */
308 if (ntohl(sh->v_tag) != 0) {
309 /*
310 * This must be the verification tag used
311 * for sending out packets. We don't
312 * consider packets reflecting the
313 * verification tag.
314 */
315 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) {
316 SCTP_TCB_UNLOCK(stcb);
317 return;
318 }
319 } else {
320 if (ntohs(outer_ip->ip_len) >=
321 sizeof(struct ip) +
322 8 + (inner_ip->ip_hl << 2) + 20) {
323 /*
324 * In this case we can check if we
325 * got an INIT chunk and if the
326 * initiate tag matches.
327 */
328 ch = (struct sctp_init_chunk *)(sh + 1);
329 if ((ch->ch.chunk_type != SCTP_INITIATION) ||
330 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) {
331 SCTP_TCB_UNLOCK(stcb);
332 return;
333 }
334 } else {
335 SCTP_TCB_UNLOCK(stcb);
336 return;
337 }
338 }
339 sctp_notify(inp, stcb, net,
340 icmp->icmp_type,
341 icmp->icmp_code,
342 ntohs(inner_ip->ip_len),
343 (uint32_t)ntohs(icmp->icmp_nextmtu));
344 } else {
345 if ((stcb == NULL) && (inp != NULL)) {
346 /* reduce ref-count */
347 SCTP_INP_WLOCK(inp);
348 SCTP_INP_DECR_REF(inp);
349 SCTP_INP_WUNLOCK(inp);
350 }
351 if (stcb) {
352 SCTP_TCB_UNLOCK(stcb);
353 }
354 }
355 }
356 return;
357 }
358 #endif
359
360 static int
361 sctp_getcred(SYSCTL_HANDLER_ARGS)
362 {
363 struct xucred xuc;
364 struct sockaddr_in addrs[2];
365 struct sctp_inpcb *inp;
366 struct sctp_nets *net;
367 struct sctp_tcb *stcb;
368 int error;
369 uint32_t vrf_id;
370
371 /* FIX, for non-bsd is this right? */
372 vrf_id = SCTP_DEFAULT_VRFID;
373
374 error = priv_check(req->td, PRIV_NETINET_GETCRED);
375
376 if (error)
377 return (error);
378
379 error = SYSCTL_IN(req, addrs, sizeof(addrs));
380 if (error)
381 return (error);
382
383 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]),
384 sintosa(&addrs[0]),
385 &inp, &net, 1, vrf_id);
386 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
387 if ((inp != NULL) && (stcb == NULL)) {
388 /* reduce ref-count */
389 SCTP_INP_WLOCK(inp);
390 SCTP_INP_DECR_REF(inp);
391 goto cred_can_cont;
392 }
393
394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
395 error = ENOENT;
396 goto out;
397 }
398 SCTP_TCB_UNLOCK(stcb);
399 /*
400 * We use the write lock here, only since in the error leg we need
401 * it. If we used RLOCK, then we would have to
402 * wlock/decr/unlock/rlock. Which in theory could create a hole.
403 * Better to use higher wlock.
404 */
405 SCTP_INP_WLOCK(inp);
406 cred_can_cont:
407 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket);
408 if (error) {
409 SCTP_INP_WUNLOCK(inp);
410 goto out;
411 }
412 cru2x(inp->sctp_socket->so_cred, &xuc);
413 SCTP_INP_WUNLOCK(inp);
414 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred));
415 out:
416 return (error);
417 }
418
419 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW,
420 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection");
421
422
423 #ifdef INET
424 static void
425 sctp_abort(struct socket *so)
426 {
427 struct sctp_inpcb *inp;
428 uint32_t flags;
429
430 inp = (struct sctp_inpcb *)so->so_pcb;
431 if (inp == NULL) {
432 return;
433 }
434
435 sctp_must_try_again:
436 flags = inp->sctp_flags;
437 #ifdef SCTP_LOG_CLOSING
438 sctp_log_closing(inp, NULL, 17);
439 #endif
440 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
441 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
442 #ifdef SCTP_LOG_CLOSING
443 sctp_log_closing(inp, NULL, 16);
444 #endif
445 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
446 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
447 SOCK_LOCK(so);
448 SCTP_SB_CLEAR(so->so_snd);
449 /*
450 * same for the rcv ones, they are only here for the
451 * accounting/select.
452 */
453 SCTP_SB_CLEAR(so->so_rcv);
454
455 /* Now null out the reference, we are completely detached. */
456 so->so_pcb = NULL;
457 SOCK_UNLOCK(so);
458 } else {
459 flags = inp->sctp_flags;
460 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
461 goto sctp_must_try_again;
462 }
463 }
464 return;
465 }
466
467 static int
468 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED)
469 {
470 struct sctp_inpcb *inp;
471 struct inpcb *ip_inp;
472 int error;
473 uint32_t vrf_id = SCTP_DEFAULT_VRFID;
474
475 inp = (struct sctp_inpcb *)so->so_pcb;
476 if (inp != NULL) {
477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
478 return (EINVAL);
479 }
480 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
481 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace));
482 if (error) {
483 return (error);
484 }
485 }
486 error = sctp_inpcb_alloc(so, vrf_id);
487 if (error) {
488 return (error);
489 }
490 inp = (struct sctp_inpcb *)so->so_pcb;
491 SCTP_INP_WLOCK(inp);
492 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */
493 ip_inp = &inp->ip_inp.inp;
494 ip_inp->inp_vflag |= INP_IPV4;
495 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl);
496 SCTP_INP_WUNLOCK(inp);
497 return (0);
498 }
499
500 static int
501 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p)
502 {
503 struct sctp_inpcb *inp;
504
505 inp = (struct sctp_inpcb *)so->so_pcb;
506 if (inp == NULL) {
507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
508 return (EINVAL);
509 }
510 if (addr != NULL) {
511 if ((addr->sa_family != AF_INET) ||
512 (addr->sa_len != sizeof(struct sockaddr_in))) {
513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
514 return (EINVAL);
515 }
516 }
517 return (sctp_inpcb_bind(so, addr, NULL, p));
518 }
519
520 #endif
521 void
522 sctp_close(struct socket *so)
523 {
524 struct sctp_inpcb *inp;
525 uint32_t flags;
526
527 inp = (struct sctp_inpcb *)so->so_pcb;
528 if (inp == NULL)
529 return;
530
531 /*
532 * Inform all the lower layer assoc that we are done.
533 */
534 sctp_must_try_again:
535 flags = inp->sctp_flags;
536 #ifdef SCTP_LOG_CLOSING
537 sctp_log_closing(inp, NULL, 17);
538 #endif
539 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
540 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
541 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
542 (so->so_rcv.sb_cc > 0)) {
543 #ifdef SCTP_LOG_CLOSING
544 sctp_log_closing(inp, NULL, 13);
545 #endif
546 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
547 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
548 } else {
549 #ifdef SCTP_LOG_CLOSING
550 sctp_log_closing(inp, NULL, 14);
551 #endif
552 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,
553 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
554 }
555 /*
556 * The socket is now detached, no matter what the state of
557 * the SCTP association.
558 */
559 SOCK_LOCK(so);
560 SCTP_SB_CLEAR(so->so_snd);
561 /*
562 * same for the rcv ones, they are only here for the
563 * accounting/select.
564 */
565 SCTP_SB_CLEAR(so->so_rcv);
566
567 /* Now null out the reference, we are completely detached. */
568 so->so_pcb = NULL;
569 SOCK_UNLOCK(so);
570 } else {
571 flags = inp->sctp_flags;
572 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
573 goto sctp_must_try_again;
574 }
575 }
576 return;
577 }
578
579
580 int
581 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
582 struct mbuf *control, struct thread *p);
583
584
585 int
586 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
587 struct mbuf *control, struct thread *p)
588 {
589 struct sctp_inpcb *inp;
590 int error;
591
592 inp = (struct sctp_inpcb *)so->so_pcb;
593 if (inp == NULL) {
594 if (control) {
595 sctp_m_freem(control);
596 control = NULL;
597 }
598 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
599 sctp_m_freem(m);
600 return (EINVAL);
601 }
602 /* Got to have an to address if we are NOT a connected socket */
603 if ((addr == NULL) &&
604 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) ||
605 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) {
606 goto connected_type;
607 } else if (addr == NULL) {
608 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
609 error = EDESTADDRREQ;
610 sctp_m_freem(m);
611 if (control) {
612 sctp_m_freem(control);
613 control = NULL;
614 }
615 return (error);
616 }
617 #ifdef INET6
618 if (addr->sa_family != AF_INET) {
619 /* must be a v4 address! */
620 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
621 sctp_m_freem(m);
622 if (control) {
623 sctp_m_freem(control);
624 control = NULL;
625 }
626 error = EDESTADDRREQ;
627 return (error);
628 }
629 #endif /* INET6 */
630 connected_type:
631 /* now what about control */
632 if (control) {
633 if (inp->control) {
634 sctp_m_freem(inp->control);
635 inp->control = NULL;
636 }
637 inp->control = control;
638 }
639 /* Place the data */
640 if (inp->pkt) {
641 SCTP_BUF_NEXT(inp->pkt_last) = m;
642 inp->pkt_last = m;
643 } else {
644 inp->pkt_last = inp->pkt = m;
645 }
646 if (
647 /* FreeBSD uses a flag passed */
648 ((flags & PRUS_MORETOCOME) == 0)
649 ) {
650 /*
651 * note with the current version this code will only be used
652 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for
653 * re-defining sosend to use the sctp_sosend. One can
654 * optionally switch back to this code (by changing back the
655 * definitions) but this is not advisable. This code is used
656 * by FreeBSD when sending a file with sendfile() though.
657 */
658 int ret;
659
660 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
661 inp->pkt = NULL;
662 inp->control = NULL;
663 return (ret);
664 } else {
665 return (0);
666 }
667 }
668
669 int
670 sctp_disconnect(struct socket *so)
671 {
672 struct sctp_inpcb *inp;
673
674 inp = (struct sctp_inpcb *)so->so_pcb;
675 if (inp == NULL) {
676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
677 return (ENOTCONN);
678 }
679 SCTP_INP_RLOCK(inp);
680 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
681 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
682 if (LIST_EMPTY(&inp->sctp_asoc_list)) {
683 /* No connection */
684 SCTP_INP_RUNLOCK(inp);
685 return (0);
686 } else {
687 struct sctp_association *asoc;
688 struct sctp_tcb *stcb;
689
690 stcb = LIST_FIRST(&inp->sctp_asoc_list);
691 if (stcb == NULL) {
692 SCTP_INP_RUNLOCK(inp);
693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
694 return (EINVAL);
695 }
696 SCTP_TCB_LOCK(stcb);
697 asoc = &stcb->asoc;
698 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
699 /* We are about to be freed, out of here */
700 SCTP_TCB_UNLOCK(stcb);
701 SCTP_INP_RUNLOCK(inp);
702 return (0);
703 }
704 if (((so->so_options & SO_LINGER) &&
705 (so->so_linger == 0)) ||
706 (so->so_rcv.sb_cc > 0)) {
707 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) {
708 /* Left with Data unread */
709 struct mbuf *op_err;
710
711 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
712 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
713 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
714 }
715 SCTP_INP_RUNLOCK(inp);
716 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) ||
717 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
718 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
719 }
720 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
721 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3);
722 /* No unlock tcb assoc is gone */
723 return (0);
724 }
725 if (TAILQ_EMPTY(&asoc->send_queue) &&
726 TAILQ_EMPTY(&asoc->sent_queue) &&
727 (asoc->stream_queue_cnt == 0)) {
728 /* there is nothing queued to send, so done */
729 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) {
730 goto abort_anyway;
731 }
732 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) &&
733 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {
734 /* only send SHUTDOWN 1st time thru */
735 struct sctp_nets *netp;
736
737 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) ||
738 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
739 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
740 }
741 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT);
742 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING);
743 sctp_stop_timers_for_shutdown(stcb);
744 if (stcb->asoc.alternate) {
745 netp = stcb->asoc.alternate;
746 } else {
747 netp = stcb->asoc.primary_destination;
748 }
749 sctp_send_shutdown(stcb, netp);
750 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
751 stcb->sctp_ep, stcb, netp);
752 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
753 stcb->sctp_ep, stcb, netp);
754 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
755 }
756 } else {
757 /*
758 * we still got (or just got) data to send,
759 * so set SHUTDOWN_PENDING
760 */
761 /*
762 * XXX sockets draft says that SCTP_EOF
763 * should be sent with no data. currently,
764 * we will allow user data to be sent first
765 * and move to SHUTDOWN-PENDING
766 */
767 struct sctp_nets *netp;
768
769 if (stcb->asoc.alternate) {
770 netp = stcb->asoc.alternate;
771 } else {
772 netp = stcb->asoc.primary_destination;
773 }
774
775 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING);
776 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
777 netp);
778 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) {
779 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT);
780 }
781 if (TAILQ_EMPTY(&asoc->send_queue) &&
782 TAILQ_EMPTY(&asoc->sent_queue) &&
783 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
784 struct mbuf *op_err;
785
786 abort_anyway:
787 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
788 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4;
789 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
790 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
791 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) ||
792 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
793 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
794 }
795 SCTP_INP_RUNLOCK(inp);
796 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
797 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5);
798 return (0);
799 } else {
800 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
801 }
802 }
803 soisdisconnecting(so);
804 SCTP_TCB_UNLOCK(stcb);
805 SCTP_INP_RUNLOCK(inp);
806 return (0);
807 }
808 /* not reached */
809 } else {
810 /* UDP model does not support this */
811 SCTP_INP_RUNLOCK(inp);
812 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
813 return (EOPNOTSUPP);
814 }
815 }
816
817 int
818 sctp_flush(struct socket *so, int how)
819 {
820 /*
821 * We will just clear out the values and let subsequent close clear
822 * out the data, if any. Note if the user did a shutdown(SHUT_RD)
823 * they will not be able to read the data, the socket will block
824 * that from happening.
825 */
826 struct sctp_inpcb *inp;
827
828 inp = (struct sctp_inpcb *)so->so_pcb;
829 if (inp == NULL) {
830 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
831 return (EINVAL);
832 }
833 SCTP_INP_RLOCK(inp);
834 /* For the 1 to many model this does nothing */
835 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
836 SCTP_INP_RUNLOCK(inp);
837 return (0);
838 }
839 SCTP_INP_RUNLOCK(inp);
840 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) {
841 /*
842 * First make sure the sb will be happy, we don't use these
843 * except maybe the count
844 */
845 SCTP_INP_WLOCK(inp);
846 SCTP_INP_READ_LOCK(inp);
847 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ;
848 SCTP_INP_READ_UNLOCK(inp);
849 SCTP_INP_WUNLOCK(inp);
850 so->so_rcv.sb_cc = 0;
851 so->so_rcv.sb_mbcnt = 0;
852 so->so_rcv.sb_mb = NULL;
853 }
854 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) {
855 /*
856 * First make sure the sb will be happy, we don't use these
857 * except maybe the count
858 */
859 so->so_snd.sb_cc = 0;
860 so->so_snd.sb_mbcnt = 0;
861 so->so_snd.sb_mb = NULL;
862
863 }
864 return (0);
865 }
866
867 int
868 sctp_shutdown(struct socket *so)
869 {
870 struct sctp_inpcb *inp;
871
872 inp = (struct sctp_inpcb *)so->so_pcb;
873 if (inp == NULL) {
874 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
875 return (EINVAL);
876 }
877 SCTP_INP_RLOCK(inp);
878 /* For UDP model this is a invalid call */
879 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
880 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) {
881 /* Restore the flags that the soshutdown took away. */
882 SOCKBUF_LOCK(&so->so_rcv);
883 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
884 SOCKBUF_UNLOCK(&so->so_rcv);
885 /* This proc will wakeup for read and do nothing (I hope) */
886 SCTP_INP_RUNLOCK(inp);
887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
888 return (EOPNOTSUPP);
889 } else {
890 /*
891 * Ok, if we reach here its the TCP model and it is either a
892 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag
893 * against it.
894 */
895 struct sctp_tcb *stcb;
896 struct sctp_association *asoc;
897 struct sctp_nets *netp;
898
899 if ((so->so_state &
900 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) {
901 SCTP_INP_RUNLOCK(inp);
902 return (ENOTCONN);
903 }
904 socantsendmore(so);
905
906 stcb = LIST_FIRST(&inp->sctp_asoc_list);
907 if (stcb == NULL) {
908 /*
909 * Ok, we hit the case that the shutdown call was
910 * made after an abort or something. Nothing to do
911 * now.
912 */
913 SCTP_INP_RUNLOCK(inp);
914 return (0);
915 }
916 SCTP_TCB_LOCK(stcb);
917 asoc = &stcb->asoc;
918 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) {
919 SCTP_TCB_UNLOCK(stcb);
920 SCTP_INP_RUNLOCK(inp);
921 return (0);
922 }
923 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) &&
924 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) &&
925 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) {
926 /*
927 * If we are not in or before ESTABLISHED, there is
928 * no protocol action required.
929 */
930 SCTP_TCB_UNLOCK(stcb);
931 SCTP_INP_RUNLOCK(inp);
932 return (0);
933 }
934 if (stcb->asoc.alternate) {
935 netp = stcb->asoc.alternate;
936 } else {
937 netp = stcb->asoc.primary_destination;
938 }
939 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) &&
940 TAILQ_EMPTY(&asoc->send_queue) &&
941 TAILQ_EMPTY(&asoc->sent_queue) &&
942 (asoc->stream_queue_cnt == 0)) {
943 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) {
944 goto abort_anyway;
945 }
946 /* there is nothing queued to send, so I'm done... */
947 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
948 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT);
949 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING);
950 sctp_stop_timers_for_shutdown(stcb);
951 sctp_send_shutdown(stcb, netp);
952 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
953 stcb->sctp_ep, stcb, netp);
954 } else {
955 /*
956 * We still got (or just got) data to send, so set
957 * SHUTDOWN_PENDING.
958 */
959 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING);
960 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) {
961 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT);
962 }
963 if (TAILQ_EMPTY(&asoc->send_queue) &&
964 TAILQ_EMPTY(&asoc->sent_queue) &&
965 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
966 struct mbuf *op_err;
967
968 abort_anyway:
969 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
970 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6;
971 SCTP_INP_RUNLOCK(inp);
972 sctp_abort_an_association(stcb->sctp_ep, stcb,
973 op_err, SCTP_SO_LOCKED);
974 return (0);
975 }
976 }
977 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp);
978 /*
979 * XXX: Why do this in the case where we have still data
980 * queued?
981 */
982 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
983 SCTP_TCB_UNLOCK(stcb);
984 SCTP_INP_RUNLOCK(inp);
985 return (0);
986 }
987 }
988
989 /*
990 * copies a "user" presentable address and removes embedded scope, etc.
991 * returns 0 on success, 1 on error
992 */
993 static uint32_t
994 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa)
995 {
996 #ifdef INET6
997 struct sockaddr_in6 lsa6;
998
999 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa,
1000 &lsa6);
1001 #endif
1002 memcpy(ss, sa, sa->sa_len);
1003 return (0);
1004 }
1005
1006
1007
1008 /*
1009 * NOTE: assumes addr lock is held
1010 */
1011 static size_t
1012 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp,
1013 struct sctp_tcb *stcb,
1014 size_t limit,
1015 struct sockaddr_storage *sas,
1016 uint32_t vrf_id)
1017 {
1018 struct sctp_ifn *sctp_ifn;
1019 struct sctp_ifa *sctp_ifa;
1020 size_t actual;
1021 int loopback_scope;
1022 #if defined(INET)
1023 int ipv4_local_scope, ipv4_addr_legal;
1024 #endif
1025 #if defined(INET6)
1026 int local_scope, site_scope, ipv6_addr_legal;
1027 #endif
1028 struct sctp_vrf *vrf;
1029
1030 actual = 0;
1031 if (limit == 0)
1032 return (actual);
1033
1034 if (stcb) {
1035 /* Turn on all the appropriate scope */
1036 loopback_scope = stcb->asoc.scope.loopback_scope;
1037 #if defined(INET)
1038 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
1039 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
1040 #endif
1041 #if defined(INET6)
1042 local_scope = stcb->asoc.scope.local_scope;
1043 site_scope = stcb->asoc.scope.site_scope;
1044 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
1045 #endif
1046 } else {
1047 /* Use generic values for endpoints. */
1048 loopback_scope = 1;
1049 #if defined(INET)
1050 ipv4_local_scope = 1;
1051 #endif
1052 #if defined(INET6)
1053 local_scope = 1;
1054 site_scope = 1;
1055 #endif
1056 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
1057 #if defined(INET6)
1058 ipv6_addr_legal = 1;
1059 #endif
1060 #if defined(INET)
1061 if (SCTP_IPV6_V6ONLY(inp)) {
1062 ipv4_addr_legal = 0;
1063 } else {
1064 ipv4_addr_legal = 1;
1065 }
1066 #endif
1067 } else {
1068 #if defined(INET6)
1069 ipv6_addr_legal = 0;
1070 #endif
1071 #if defined(INET)
1072 ipv4_addr_legal = 1;
1073 #endif
1074 }
1075 }
1076 vrf = sctp_find_vrf(vrf_id);
1077 if (vrf == NULL) {
1078 return (0);
1079 }
1080 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1081 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1082 if ((loopback_scope == 0) &&
1083 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {
1084 /* Skip loopback if loopback_scope not set */
1085 continue;
1086 }
1087 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1088 if (stcb) {
1089 /*
1090 * For the BOUND-ALL case, the list
1091 * associated with a TCB is Always
1092 * considered a reverse list.. i.e.
1093 * it lists addresses that are NOT
1094 * part of the association. If this
1095 * is one of those we must skip it.
1096 */
1097 if (sctp_is_addr_restricted(stcb,
1098 sctp_ifa)) {
1099 continue;
1100 }
1101 }
1102 switch (sctp_ifa->address.sa.sa_family) {
1103 #ifdef INET
1104 case AF_INET:
1105 if (ipv4_addr_legal) {
1106 struct sockaddr_in *sin;
1107
1108 sin = &sctp_ifa->address.sin;
1109 if (sin->sin_addr.s_addr == 0) {
1110 /*
1111 * we skip
1112 * unspecifed
1113 * addresses
1114 */
1115 continue;
1116 }
1117 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
1118 &sin->sin_addr) != 0) {
1119 continue;
1120 }
1121 if ((ipv4_local_scope == 0) &&
1122 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
1123 continue;
1124 }
1125 #ifdef INET6
1126 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
1127 if (actual + sizeof(struct sockaddr_in6) > limit) {
1128 return (actual);
1129 }
1130 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas);
1131 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1132 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6));
1133 actual += sizeof(struct sockaddr_in6);
1134 } else {
1135 #endif
1136 if (actual + sizeof(struct sockaddr_in) > limit) {
1137 return (actual);
1138 }
1139 memcpy(sas, sin, sizeof(struct sockaddr_in));
1140 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1141 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in));
1142 actual += sizeof(struct sockaddr_in);
1143 #ifdef INET6
1144 }
1145 #endif
1146 } else {
1147 continue;
1148 }
1149 break;
1150 #endif
1151 #ifdef INET6
1152 case AF_INET6:
1153 if (ipv6_addr_legal) {
1154 struct sockaddr_in6 *sin6;
1155
1156 sin6 = &sctp_ifa->address.sin6;
1157 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
1158 /*
1159 * we skip
1160 * unspecifed
1161 * addresses
1162 */
1163 continue;
1164 }
1165 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
1166 &sin6->sin6_addr) != 0) {
1167 continue;
1168 }
1169 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
1170 if (local_scope == 0)
1171 continue;
1172 if (sin6->sin6_scope_id == 0) {
1173 if (sa6_recoverscope(sin6) != 0)
1174 /*
1175 *
1176 * bad
1177 * link
1178 *
1179 * local
1180 *
1181 * address
1182 */
1183 continue;
1184 }
1185 }
1186 if ((site_scope == 0) &&
1187 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {
1188 continue;
1189 }
1190 if (actual + sizeof(struct sockaddr_in6) > limit) {
1191 return (actual);
1192 }
1193 memcpy(sas, sin6, sizeof(struct sockaddr_in6));
1194 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1195 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6));
1196 actual += sizeof(struct sockaddr_in6);
1197 } else {
1198 continue;
1199 }
1200 break;
1201 #endif
1202 default:
1203 /* TSNH */
1204 break;
1205 }
1206 }
1207 }
1208 } else {
1209 struct sctp_laddr *laddr;
1210 size_t sa_len;
1211
1212 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1213 if (stcb) {
1214 if (sctp_is_addr_restricted(stcb, laddr->ifa)) {
1215 continue;
1216 }
1217 }
1218 sa_len = laddr->ifa->address.sa.sa_len;
1219 if (actual + sa_len > limit) {
1220 return (actual);
1221 }
1222 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa))
1223 continue;
1224 switch (laddr->ifa->address.sa.sa_family) {
1225 #ifdef INET
1226 case AF_INET:
1227 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1228 break;
1229 #endif
1230 #ifdef INET6
1231 case AF_INET6:
1232 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1233 break;
1234 #endif
1235 default:
1236 /* TSNH */
1237 break;
1238 }
1239 sas = (struct sockaddr_storage *)((caddr_t)sas + sa_len);
1240 actual += sa_len;
1241 }
1242 }
1243 return (actual);
1244 }
1245
1246 static size_t
1247 sctp_fill_up_addresses(struct sctp_inpcb *inp,
1248 struct sctp_tcb *stcb,
1249 size_t limit,
1250 struct sockaddr_storage *sas)
1251 {
1252 size_t size = 0;
1253
1254 SCTP_IPI_ADDR_RLOCK();
1255 /* fill up addresses for the endpoint's default vrf */
1256 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
1257 inp->def_vrf_id);
1258 SCTP_IPI_ADDR_RUNLOCK();
1259 return (size);
1260 }
1261
1262 /*
1263 * NOTE: assumes addr lock is held
1264 */
1265 static int
1266 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id)
1267 {
1268 int cnt = 0;
1269 struct sctp_vrf *vrf = NULL;
1270
1271 /*
1272 * In both sub-set bound an bound_all cases we return the MAXIMUM
1273 * number of addresses that you COULD get. In reality the sub-set
1274 * bound may have an exclusion list for a given TCB OR in the
1275 * bound-all case a TCB may NOT include the loopback or other
1276 * addresses as well.
1277 */
1278 vrf = sctp_find_vrf(vrf_id);
1279 if (vrf == NULL) {
1280 return (0);
1281 }
1282 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1283 struct sctp_ifn *sctp_ifn;
1284 struct sctp_ifa *sctp_ifa;
1285
1286 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1287 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1288 /* Count them if they are the right type */
1289 switch (sctp_ifa->address.sa.sa_family) {
1290 #ifdef INET
1291 case AF_INET:
1292 #ifdef INET6
1293 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1294 cnt += sizeof(struct sockaddr_in6);
1295 else
1296 cnt += sizeof(struct sockaddr_in);
1297 #else
1298 cnt += sizeof(struct sockaddr_in);
1299 #endif
1300 break;
1301 #endif
1302 #ifdef INET6
1303 case AF_INET6:
1304 cnt += sizeof(struct sockaddr_in6);
1305 break;
1306 #endif
1307 default:
1308 break;
1309 }
1310 }
1311 }
1312 } else {
1313 struct sctp_laddr *laddr;
1314
1315 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1316 switch (laddr->ifa->address.sa.sa_family) {
1317 #ifdef INET
1318 case AF_INET:
1319 #ifdef INET6
1320 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1321 cnt += sizeof(struct sockaddr_in6);
1322 else
1323 cnt += sizeof(struct sockaddr_in);
1324 #else
1325 cnt += sizeof(struct sockaddr_in);
1326 #endif
1327 break;
1328 #endif
1329 #ifdef INET6
1330 case AF_INET6:
1331 cnt += sizeof(struct sockaddr_in6);
1332 break;
1333 #endif
1334 default:
1335 break;
1336 }
1337 }
1338 }
1339 return (cnt);
1340 }
1341
1342 static int
1343 sctp_count_max_addresses(struct sctp_inpcb *inp)
1344 {
1345 int cnt = 0;
1346
1347 SCTP_IPI_ADDR_RLOCK();
1348 /* count addresses for the endpoint's default VRF */
1349 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id);
1350 SCTP_IPI_ADDR_RUNLOCK();
1351 return (cnt);
1352 }
1353
1354 static int
1355 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval,
1356 size_t optsize, void *p, int delay)
1357 {
1358 int error;
1359 int creat_lock_on = 0;
1360 struct sctp_tcb *stcb = NULL;
1361 struct sockaddr *sa;
1362 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr;
1363 uint32_t vrf_id;
1364 sctp_assoc_t *a_id;
1365
1366 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n");
1367
1368 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
1369 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
1370 /* We are already connected AND the TCP model */
1371 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
1372 return (EADDRINUSE);
1373 }
1374
1375 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
1376 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
1377 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1378 return (EINVAL);
1379 }
1380
1381 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
1382 SCTP_INP_RLOCK(inp);
1383 stcb = LIST_FIRST(&inp->sctp_asoc_list);
1384 SCTP_INP_RUNLOCK(inp);
1385 }
1386 if (stcb) {
1387 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
1388 return (EALREADY);
1389 }
1390 SCTP_INP_INCR_REF(inp);
1391 SCTP_ASOC_CREATE_LOCK(inp);
1392 creat_lock_on = 1;
1393 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
1394 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
1395 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
1396 error = EFAULT;
1397 goto out_now;
1398 }
1399 totaddrp = (unsigned int *)optval;
1400 totaddr = *totaddrp;
1401 sa = (struct sockaddr *)(totaddrp + 1);
1402 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int)));
1403 if (error != 0) {
1404 /* Already have or am bring up an association */
1405 SCTP_ASOC_CREATE_UNLOCK(inp);
1406 creat_lock_on = 0;
1407 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1408 goto out_now;
1409 }
1410 #ifdef INET6
1411 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
1412 (num_v6 > 0)) {
1413 error = EINVAL;
1414 goto out_now;
1415 }
1416 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
1417 (num_v4 > 0)) {
1418 struct in6pcb *inp6;
1419
1420 inp6 = (struct in6pcb *)inp;
1421 if (SCTP_IPV6_V6ONLY(inp6)) {
1422 /*
1423 * if IPV6_V6ONLY flag, ignore connections destined
1424 * to a v4 addr or v4-mapped addr
1425 */
1426 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1427 error = EINVAL;
1428 goto out_now;
1429 }
1430 }
1431 #endif /* INET6 */
1432 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
1433 SCTP_PCB_FLAGS_UNBOUND) {
1434 /* Bind a ephemeral port */
1435 error = sctp_inpcb_bind(so, NULL, NULL, p);
1436 if (error) {
1437 goto out_now;
1438 }
1439 }
1440
1441 /* FIX ME: do we want to pass in a vrf on the connect call? */
1442 vrf_id = inp->def_vrf_id;
1443
1444
1445 /* We are GOOD to go */
1446 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id,
1447 inp->sctp_ep.pre_open_stream_count,
1448 inp->sctp_ep.port,
1449 (struct thread *)p,
1450 SCTP_INITIALIZE_AUTH_PARAMS);
1451 if (stcb == NULL) {
1452 /* Gak! no memory */
1453 goto out_now;
1454 }
1455 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
1456 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
1457 /* Set the connected flag so we can queue data */
1458 soisconnecting(so);
1459 }
1460 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT);
1461 /* move to second address */
1462 switch (sa->sa_family) {
1463 #ifdef INET
1464 case AF_INET:
1465 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in));
1466 break;
1467 #endif
1468 #ifdef INET6
1469 case AF_INET6:
1470 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6));
1471 break;
1472 #endif
1473 default:
1474 break;
1475 }
1476
1477 error = 0;
1478 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error);
1479 /* Fill in the return id */
1480 if (error) {
1481 goto out_now;
1482 }
1483 a_id = (sctp_assoc_t *)optval;
1484 *a_id = sctp_get_associd(stcb);
1485
1486 if (delay) {
1487 /* doing delayed connection */
1488 stcb->asoc.delayed_connection = 1;
1489 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination);
1490 } else {
1491 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
1492 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
1493 }
1494 SCTP_TCB_UNLOCK(stcb);
1495 out_now:
1496 if (creat_lock_on) {
1497 SCTP_ASOC_CREATE_UNLOCK(inp);
1498 }
1499 SCTP_INP_DECR_REF(inp);
1500 return (error);
1501 }
1502
1503 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \
1504 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\
1505 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \
1506 SCTP_INP_RLOCK(inp); \
1507 stcb = LIST_FIRST(&inp->sctp_asoc_list); \
1508 if (stcb) { \
1509 SCTP_TCB_LOCK(stcb); \
1510 } \
1511 SCTP_INP_RUNLOCK(inp); \
1512 } else if (assoc_id > SCTP_ALL_ASSOC) { \
1513 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \
1514 if (stcb == NULL) { \
1515 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \
1516 error = ENOENT; \
1517 break; \
1518 } \
1519 } else { \
1520 stcb = NULL; \
1521 } \
1522 }
1523
1524
1525 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\
1526 if (size < sizeof(type)) { \
1527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \
1528 error = EINVAL; \
1529 break; \
1530 } else { \
1531 destp = (type *)srcp; \
1532 } \
1533 }
1534
1535 static int
1536 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
1537 void *p)
1538 {
1539 struct sctp_inpcb *inp = NULL;
1540 int error, val = 0;
1541 struct sctp_tcb *stcb = NULL;
1542
1543 if (optval == NULL) {
1544 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1545 return (EINVAL);
1546 }
1547
1548 inp = (struct sctp_inpcb *)so->so_pcb;
1549 if (inp == NULL) {
1550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1551 return EINVAL;
1552 }
1553 error = 0;
1554
1555 switch (optname) {
1556 case SCTP_NODELAY:
1557 case SCTP_AUTOCLOSE:
1558 case SCTP_EXPLICIT_EOR:
1559 case SCTP_AUTO_ASCONF:
1560 case SCTP_DISABLE_FRAGMENTS:
1561 case SCTP_I_WANT_MAPPED_V4_ADDR:
1562 case SCTP_USE_EXT_RCVINFO:
1563 SCTP_INP_RLOCK(inp);
1564 switch (optname) {
1565 case SCTP_DISABLE_FRAGMENTS:
1566 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT);
1567 break;
1568 case SCTP_I_WANT_MAPPED_V4_ADDR:
1569 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4);
1570 break;
1571 case SCTP_AUTO_ASCONF:
1572 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1573 /* only valid for bound all sockets */
1574 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);
1575 } else {
1576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1577 error = EINVAL;
1578 goto flags_out;
1579 }
1580 break;
1581 case SCTP_EXPLICIT_EOR:
1582 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR);
1583 break;
1584 case SCTP_NODELAY:
1585 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY);
1586 break;
1587 case SCTP_USE_EXT_RCVINFO:
1588 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO);
1589 break;
1590 case SCTP_AUTOCLOSE:
1591 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE))
1592 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time);
1593 else
1594 val = 0;
1595 break;
1596
1597 default:
1598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
1599 error = ENOPROTOOPT;
1600 } /* end switch (sopt->sopt_name) */
1601 if (*optsize < sizeof(val)) {
1602 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1603 error = EINVAL;
1604 }
1605 flags_out:
1606 SCTP_INP_RUNLOCK(inp);
1607 if (error == 0) {
1608 /* return the option value */
1609 *(int *)optval = val;
1610 *optsize = sizeof(val);
1611 }
1612 break;
1613 case SCTP_GET_PACKET_LOG:
1614 {
1615 #ifdef SCTP_PACKET_LOGGING
1616 uint8_t *target;
1617 int ret;
1618
1619 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize);
1620 ret = sctp_copy_out_packet_log(target, (int)*optsize);
1621 *optsize = ret;
1622 #else
1623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1624 error = EOPNOTSUPP;
1625 #endif
1626 break;
1627 }
1628 case SCTP_REUSE_PORT:
1629 {
1630 uint32_t *value;
1631
1632 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
1633 /* Can't do this for a 1-m socket */
1634 error = EINVAL;
1635 break;
1636 }
1637 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1638 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
1639 *optsize = sizeof(uint32_t);
1640 break;
1641 }
1642 case SCTP_PARTIAL_DELIVERY_POINT:
1643 {
1644 uint32_t *value;
1645
1646 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1647 *value = inp->partial_delivery_point;
1648 *optsize = sizeof(uint32_t);
1649 break;
1650 }
1651 case SCTP_FRAGMENT_INTERLEAVE:
1652 {
1653 uint32_t *value;
1654
1655 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1656 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) {
1657 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) {
1658 *value = SCTP_FRAG_LEVEL_2;
1659 } else {
1660 *value = SCTP_FRAG_LEVEL_1;
1661 }
1662 } else {
1663 *value = SCTP_FRAG_LEVEL_0;
1664 }
1665 *optsize = sizeof(uint32_t);
1666 break;
1667 }
1668 case SCTP_INTERLEAVING_SUPPORTED:
1669 {
1670 struct sctp_assoc_value *av;
1671
1672 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1673 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1674
1675 if (stcb) {
1676 av->assoc_value = stcb->asoc.idata_supported;
1677 SCTP_TCB_UNLOCK(stcb);
1678 } else {
1679 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1680 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1681 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
1682 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
1683 SCTP_INP_RLOCK(inp);
1684 if (inp->idata_supported) {
1685 av->assoc_value = 1;
1686 } else {
1687 av->assoc_value = 0;
1688 }
1689 SCTP_INP_RUNLOCK(inp);
1690 } else {
1691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1692 error = EINVAL;
1693 }
1694 }
1695 if (error == 0) {
1696 *optsize = sizeof(struct sctp_assoc_value);
1697 }
1698 break;
1699 }
1700 case SCTP_CMT_ON_OFF:
1701 {
1702 struct sctp_assoc_value *av;
1703
1704 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1705 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1706 if (stcb) {
1707 av->assoc_value = stcb->asoc.sctp_cmt_on_off;
1708 SCTP_TCB_UNLOCK(stcb);
1709 } else {
1710 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1711 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1712 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
1713 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
1714 SCTP_INP_RLOCK(inp);
1715 av->assoc_value = inp->sctp_cmt_on_off;
1716 SCTP_INP_RUNLOCK(inp);
1717 } else {
1718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1719 error = EINVAL;
1720 }
1721 }
1722 if (error == 0) {
1723 *optsize = sizeof(struct sctp_assoc_value);
1724 }
1725 break;
1726 }
1727 case SCTP_PLUGGABLE_CC:
1728 {
1729 struct sctp_assoc_value *av;
1730
1731 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1732 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1733 if (stcb) {
1734 av->assoc_value = stcb->asoc.congestion_control_module;
1735 SCTP_TCB_UNLOCK(stcb);
1736 } else {
1737 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1738 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1739 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
1740 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
1741 SCTP_INP_RLOCK(inp);
1742 av->assoc_value = inp->sctp_ep.sctp_default_cc_module;
1743 SCTP_INP_RUNLOCK(inp);
1744 } else {
1745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1746 error = EINVAL;
1747 }
1748 }
1749 if (error == 0) {
1750 *optsize = sizeof(struct sctp_assoc_value);
1751 }
1752 break;
1753 }
1754 case SCTP_CC_OPTION:
1755 {
1756 struct sctp_cc_option *cc_opt;
1757
1758 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize);
1759 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
1760 if (stcb == NULL) {
1761 error = EINVAL;
1762 } else {
1763 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
1764 error = ENOTSUP;
1765 } else {
1766 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt);
1767 *optsize = sizeof(struct sctp_cc_option);
1768 }
1769 SCTP_TCB_UNLOCK(stcb);
1770 }
1771 break;
1772 }
1773 case SCTP_PLUGGABLE_SS:
1774 {
1775 struct sctp_assoc_value *av;
1776
1777 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1778 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1779 if (stcb) {
1780 av->assoc_value = stcb->asoc.stream_scheduling_module;
1781 SCTP_TCB_UNLOCK(stcb);
1782 } else {
1783 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1784 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1785 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
1786 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
1787 SCTP_INP_RLOCK(inp);
1788 av->assoc_value = inp->sctp_ep.sctp_default_ss_module;
1789 SCTP_INP_RUNLOCK(inp);
1790 } else {
1791 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1792 error = EINVAL;
1793 }
1794 }
1795 if (error == 0) {
1796 *optsize = sizeof(struct sctp_assoc_value);
1797 }
1798 break;
1799 }
1800 case SCTP_SS_VALUE:
1801 {
1802 struct sctp_stream_value *av;
1803
1804 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize);
1805 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1806 if (stcb) {
1807 if ((av->stream_id >= stcb->asoc.streamoutcnt) ||
1808 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
1809 &av->stream_value) < 0)) {
1810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1811 error = EINVAL;
1812 } else {
1813 *optsize = sizeof(struct sctp_stream_value);
1814 }
1815 SCTP_TCB_UNLOCK(stcb);
1816 } else {
1817 /*
1818 * Can't get stream value without
1819 * association
1820 */
1821 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1822 error = EINVAL;
1823 }
1824 break;
1825 }
1826 case SCTP_GET_ADDR_LEN:
1827 {
1828 struct sctp_assoc_value *av;
1829
1830 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1831 error = EINVAL;
1832 #ifdef INET
1833 if (av->assoc_value == AF_INET) {
1834 av->assoc_value = sizeof(struct sockaddr_in);
1835 error = 0;
1836 }
1837 #endif
1838 #ifdef INET6
1839 if (av->assoc_value == AF_INET6) {
1840 av->assoc_value = sizeof(struct sockaddr_in6);
1841 error = 0;
1842 }
1843 #endif
1844 if (error) {
1845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1846 } else {
1847 *optsize = sizeof(struct sctp_assoc_value);
1848 }
1849 break;
1850 }
1851 case SCTP_GET_ASSOC_NUMBER:
1852 {
1853 uint32_t *value, cnt;
1854
1855 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1856 SCTP_INP_RLOCK(inp);
1857 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1858 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
1859 /* Can't do this for a 1-1 socket */
1860 error = EINVAL;
1861 SCTP_INP_RUNLOCK(inp);
1862 break;
1863 }
1864 cnt = 0;
1865 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
1866 cnt++;
1867 }
1868 SCTP_INP_RUNLOCK(inp);
1869 *value = cnt;
1870 *optsize = sizeof(uint32_t);
1871 break;
1872 }
1873 case SCTP_GET_ASSOC_ID_LIST:
1874 {
1875 struct sctp_assoc_ids *ids;
1876 uint32_t at;
1877 size_t limit;
1878
1879 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize);
1880 SCTP_INP_RLOCK(inp);
1881 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1882 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
1883 /* Can't do this for a 1-1 socket */
1884 error = EINVAL;
1885 SCTP_INP_RUNLOCK(inp);
1886 break;
1887 }
1888 at = 0;
1889 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t);
1890 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
1891 if (at < limit) {
1892 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb);
1893 if (at == 0) {
1894 error = EINVAL;
1895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1896 break;
1897 }
1898 } else {
1899 error = EINVAL;
1900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1901 break;
1902 }
1903 }
1904 SCTP_INP_RUNLOCK(inp);
1905 if (error == 0) {
1906 ids->gaids_number_of_ids = at;
1907 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t));
1908 }
1909 break;
1910 }
1911 case SCTP_CONTEXT:
1912 {
1913 struct sctp_assoc_value *av;
1914
1915 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1916 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1917
1918 if (stcb) {
1919 av->assoc_value = stcb->asoc.context;
1920 SCTP_TCB_UNLOCK(stcb);
1921 } else {
1922 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1923 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1924 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
1925 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
1926 SCTP_INP_RLOCK(inp);
1927 av->assoc_value = inp->sctp_context;
1928 SCTP_INP_RUNLOCK(inp);
1929 } else {
1930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1931 error = EINVAL;
1932 }
1933 }
1934 if (error == 0) {
1935 *optsize = sizeof(struct sctp_assoc_value);
1936 }
1937 break;
1938 }
1939 case SCTP_VRF_ID:
1940 {
1941 uint32_t *default_vrfid;
1942
1943 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize);
1944 *default_vrfid = inp->def_vrf_id;
1945 *optsize = sizeof(uint32_t);
1946 break;
1947 }
1948 case SCTP_GET_ASOC_VRF:
1949 {
1950 struct sctp_assoc_value *id;
1951
1952 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize);
1953 SCTP_FIND_STCB(inp, stcb, id->assoc_id);
1954 if (stcb == NULL) {
1955 error = EINVAL;
1956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1957 } else {
1958 id->assoc_value = stcb->asoc.vrf_id;
1959 SCTP_TCB_UNLOCK(stcb);
1960 *optsize = sizeof(struct sctp_assoc_value);
1961 }
1962 break;
1963 }
1964 case SCTP_GET_VRF_IDS:
1965 {
1966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1967 error = EOPNOTSUPP;
1968 break;
1969 }
1970 case SCTP_GET_NONCE_VALUES:
1971 {
1972 struct sctp_get_nonce_values *gnv;
1973
1974 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize);
1975 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id);
1976
1977 if (stcb) {
1978 gnv->gn_peers_tag = stcb->asoc.peer_vtag;
1979 gnv->gn_local_tag = stcb->asoc.my_vtag;
1980 SCTP_TCB_UNLOCK(stcb);
1981 *optsize = sizeof(struct sctp_get_nonce_values);
1982 } else {
1983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
1984 error = ENOTCONN;
1985 }
1986 break;
1987 }
1988 case SCTP_DELAYED_SACK:
1989 {
1990 struct sctp_sack_info *sack;
1991
1992 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize);
1993 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
1994 if (stcb) {
1995 sack->sack_delay = stcb->asoc.delayed_ack;
1996 sack->sack_freq = stcb->asoc.sack_freq;
1997 SCTP_TCB_UNLOCK(stcb);
1998 } else {
1999 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2000 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2001 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2002 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) {
2003 SCTP_INP_RLOCK(inp);
2004 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]);
2005 sack->sack_freq = inp->sctp_ep.sctp_sack_freq;
2006 SCTP_INP_RUNLOCK(inp);
2007 } else {
2008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2009 error = EINVAL;
2010 }
2011 }
2012 if (error == 0) {
2013 *optsize = sizeof(struct sctp_sack_info);
2014 }
2015 break;
2016 }
2017 case SCTP_GET_SNDBUF_USE:
2018 {
2019 struct sctp_sockstat *ss;
2020
2021 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize);
2022 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id);
2023
2024 if (stcb) {
2025 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size;
2026 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue +
2027 stcb->asoc.size_on_all_streams);
2028 SCTP_TCB_UNLOCK(stcb);
2029 *optsize = sizeof(struct sctp_sockstat);
2030 } else {
2031 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2032 error = ENOTCONN;
2033 }
2034 break;
2035 }
2036 case SCTP_MAX_BURST:
2037 {
2038 struct sctp_assoc_value *av;
2039
2040 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2041 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2042
2043 if (stcb) {
2044 av->assoc_value = stcb->asoc.max_burst;
2045 SCTP_TCB_UNLOCK(stcb);
2046 } else {
2047 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2048 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2049 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2050 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
2051 SCTP_INP_RLOCK(inp);
2052 av->assoc_value = inp->sctp_ep.max_burst;
2053 SCTP_INP_RUNLOCK(inp);
2054 } else {
2055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2056 error = EINVAL;
2057 }
2058 }
2059 if (error == 0) {
2060 *optsize = sizeof(struct sctp_assoc_value);
2061 }
2062 break;
2063 }
2064 case SCTP_MAXSEG:
2065 {
2066 struct sctp_assoc_value *av;
2067 int ovh;
2068
2069 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2070 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2071
2072 if (stcb) {
2073 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc);
2074 SCTP_TCB_UNLOCK(stcb);
2075 } else {
2076 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2077 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2078 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2079 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
2080 SCTP_INP_RLOCK(inp);
2081 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
2082 ovh = SCTP_MED_OVERHEAD;
2083 } else {
2084 ovh = SCTP_MED_V4_OVERHEAD;
2085 }
2086 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT)
2087 av->assoc_value = 0;
2088 else
2089 av->assoc_value = inp->sctp_frag_point - ovh;
2090 SCTP_INP_RUNLOCK(inp);
2091 } else {
2092 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2093 error = EINVAL;
2094 }
2095 }
2096 if (error == 0) {
2097 *optsize = sizeof(struct sctp_assoc_value);
2098 }
2099 break;
2100 }
2101 case SCTP_GET_STAT_LOG:
2102 error = sctp_fill_stat_log(optval, optsize);
2103 break;
2104 case SCTP_EVENTS:
2105 {
2106 struct sctp_event_subscribe *events;
2107
2108 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize);
2109 memset(events, 0, sizeof(struct sctp_event_subscribe));
2110 SCTP_INP_RLOCK(inp);
2111 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT))
2112 events->sctp_data_io_event = 1;
2113
2114 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT))
2115 events->sctp_association_event = 1;
2116
2117 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT))
2118 events->sctp_address_event = 1;
2119
2120 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT))
2121 events->sctp_send_failure_event = 1;
2122
2123 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR))
2124 events->sctp_peer_error_event = 1;
2125
2126 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT))
2127 events->sctp_shutdown_event = 1;
2128
2129 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT))
2130 events->sctp_partial_delivery_event = 1;
2131
2132 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT))
2133 events->sctp_adaptation_layer_event = 1;
2134
2135 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT))
2136 events->sctp_authentication_event = 1;
2137
2138 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT))
2139 events->sctp_sender_dry_event = 1;
2140
2141 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT))
2142 events->sctp_stream_reset_event = 1;
2143 SCTP_INP_RUNLOCK(inp);
2144 *optsize = sizeof(struct sctp_event_subscribe);
2145 break;
2146 }
2147 case SCTP_ADAPTATION_LAYER:
2148 {
2149 uint32_t *value;
2150
2151 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2152
2153 SCTP_INP_RLOCK(inp);
2154 *value = inp->sctp_ep.adaptation_layer_indicator;
2155 SCTP_INP_RUNLOCK(inp);
2156 *optsize = sizeof(uint32_t);
2157 break;
2158 }
2159 case SCTP_SET_INITIAL_DBG_SEQ:
2160 {
2161 uint32_t *value;
2162
2163 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2164 SCTP_INP_RLOCK(inp);
2165 *value = inp->sctp_ep.initial_sequence_debug;
2166 SCTP_INP_RUNLOCK(inp);
2167 *optsize = sizeof(uint32_t);
2168 break;
2169 }
2170 case SCTP_GET_LOCAL_ADDR_SIZE:
2171 {
2172 uint32_t *value;
2173
2174 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2175 SCTP_INP_RLOCK(inp);
2176 *value = sctp_count_max_addresses(inp);
2177 SCTP_INP_RUNLOCK(inp);
2178 *optsize = sizeof(uint32_t);
2179 break;
2180 }
2181 case SCTP_GET_REMOTE_ADDR_SIZE:
2182 {
2183 uint32_t *value;
2184 size_t size;
2185 struct sctp_nets *net;
2186
2187 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2188 /* FIXME MT: change to sctp_assoc_value? */
2189 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value);
2190
2191 if (stcb) {
2192 size = 0;
2193 /* Count the sizes */
2194 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2195 switch (net->ro._l_addr.sa.sa_family) {
2196 #ifdef INET
2197 case AF_INET:
2198 #ifdef INET6
2199 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2200 size += sizeof(struct sockaddr_in6);
2201 } else {
2202 size += sizeof(struct sockaddr_in);
2203 }
2204 #else
2205 size += sizeof(struct sockaddr_in);
2206 #endif
2207 break;
2208 #endif
2209 #ifdef INET6
2210 case AF_INET6:
2211 size += sizeof(struct sockaddr_in6);
2212 break;
2213 #endif
2214 default:
2215 break;
2216 }
2217 }
2218 SCTP_TCB_UNLOCK(stcb);
2219 *value = (uint32_t)size;
2220 *optsize = sizeof(uint32_t);
2221 } else {
2222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2223 error = ENOTCONN;
2224 }
2225 break;
2226 }
2227 case SCTP_GET_PEER_ADDRESSES:
2228 /*
2229 * Get the address information, an array is passed in to
2230 * fill up we pack it.
2231 */
2232 {
2233 size_t cpsz, left;
2234 struct sockaddr_storage *sas;
2235 struct sctp_nets *net;
2236 struct sctp_getaddresses *saddr;
2237
2238 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2239 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2240
2241 if (stcb) {
2242 left = (*optsize) - sizeof(sctp_assoc_t);
2243 *optsize = sizeof(sctp_assoc_t);
2244 sas = (struct sockaddr_storage *)&saddr->addr[0];
2245
2246 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2247 switch (net->ro._l_addr.sa.sa_family) {
2248 #ifdef INET
2249 case AF_INET:
2250 #ifdef INET6
2251 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2252 cpsz = sizeof(struct sockaddr_in6);
2253 } else {
2254 cpsz = sizeof(struct sockaddr_in);
2255 }
2256 #else
2257 cpsz = sizeof(struct sockaddr_in);
2258 #endif
2259 break;
2260 #endif
2261 #ifdef INET6
2262 case AF_INET6:
2263 cpsz = sizeof(struct sockaddr_in6);
2264 break;
2265 #endif
2266 default:
2267 cpsz = 0;
2268 break;
2269 }
2270 if (cpsz == 0) {
2271 break;
2272 }
2273 if (left < cpsz) {
2274 /* not enough room. */
2275 break;
2276 }
2277 #if defined(INET) && defined(INET6)
2278 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) &&
2279 (net->ro._l_addr.sa.sa_family == AF_INET)) {
2280 /* Must map the address */
2281 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin,
2282 (struct sockaddr_in6 *)sas);
2283 } else {
2284 memcpy(sas, &net->ro._l_addr, cpsz);
2285 }
2286 #else
2287 memcpy(sas, &net->ro._l_addr, cpsz);
2288 #endif
2289 ((struct sockaddr_in *)sas)->sin_port = stcb->rport;
2290
2291 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz);
2292 left -= cpsz;
2293 *optsize += cpsz;
2294 }
2295 SCTP_TCB_UNLOCK(stcb);
2296 } else {
2297 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2298 error = ENOENT;
2299 }
2300 break;
2301 }
2302 case SCTP_GET_LOCAL_ADDRESSES:
2303 {
2304 size_t limit, actual;
2305 struct sockaddr_storage *sas;
2306 struct sctp_getaddresses *saddr;
2307
2308 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2309 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2310
2311 sas = (struct sockaddr_storage *)&saddr->addr[0];
2312 limit = *optsize - sizeof(sctp_assoc_t);
2313 actual = sctp_fill_up_addresses(inp, stcb, limit, sas);
2314 if (stcb) {
2315 SCTP_TCB_UNLOCK(stcb);
2316 }
2317 *optsize = sizeof(sctp_assoc_t) + actual;
2318 break;
2319 }
2320 case SCTP_PEER_ADDR_PARAMS:
2321 {
2322 struct sctp_paddrparams *paddrp;
2323 struct sctp_nets *net;
2324 struct sockaddr *addr;
2325 #if defined(INET) && defined(INET6)
2326 struct sockaddr_in sin_store;
2327 #endif
2328
2329 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize);
2330 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
2331
2332 #if defined(INET) && defined(INET6)
2333 if (paddrp->spp_address.ss_family == AF_INET6) {
2334 struct sockaddr_in6 *sin6;
2335
2336 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address;
2337 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
2338 in6_sin6_2_sin(&sin_store, sin6);
2339 addr = (struct sockaddr *)&sin_store;
2340 } else {
2341 addr = (struct sockaddr *)&paddrp->spp_address;
2342 }
2343 } else {
2344 addr = (struct sockaddr *)&paddrp->spp_address;
2345 }
2346 #else
2347 addr = (struct sockaddr *)&paddrp->spp_address;
2348 #endif
2349 if (stcb != NULL) {
2350 net = sctp_findnet(stcb, addr);
2351 } else {
2352 /*
2353 * We increment here since
2354 * sctp_findassociation_ep_addr() wil do a
2355 * decrement if it finds the stcb as long as
2356 * the locked tcb (last argument) is NOT a
2357 * TCB.. aka NULL.
2358 */
2359 net = NULL;
2360 SCTP_INP_INCR_REF(inp);
2361 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
2362 if (stcb == NULL) {
2363 SCTP_INP_DECR_REF(inp);
2364 }
2365 }
2366 if ((stcb != NULL) && (net == NULL)) {
2367 #ifdef INET
2368 if (addr->sa_family == AF_INET) {
2369 struct sockaddr_in *sin;
2370
2371 sin = (struct sockaddr_in *)addr;
2372 if (sin->sin_addr.s_addr != INADDR_ANY) {
2373 error = EINVAL;
2374 SCTP_TCB_UNLOCK(stcb);
2375 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2376 break;
2377 }
2378 } else
2379 #endif
2380 #ifdef INET6
2381 if (addr->sa_family == AF_INET6) {
2382 struct sockaddr_in6 *sin6;
2383
2384 sin6 = (struct sockaddr_in6 *)addr;
2385 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
2386 error = EINVAL;
2387 SCTP_TCB_UNLOCK(stcb);
2388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2389 break;
2390 }
2391 } else
2392 #endif
2393 {
2394 error = EAFNOSUPPORT;
2395 SCTP_TCB_UNLOCK(stcb);
2396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2397 break;
2398 }
2399 }
2400
2401 if (stcb != NULL) {
2402 /* Applies to the specific association */
2403 paddrp->spp_flags = 0;
2404 if (net != NULL) {
2405 paddrp->spp_hbinterval = net->heart_beat_delay;
2406 paddrp->spp_pathmaxrxt = net->failure_threshold;
2407 paddrp->spp_pathmtu = net->mtu;
2408 switch (net->ro._l_addr.sa.sa_family) {
2409 #ifdef INET
2410 case AF_INET:
2411 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD;
2412 break;
2413 #endif
2414 #ifdef INET6
2415 case AF_INET6:
2416 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD;
2417 break;
2418 #endif
2419 default:
2420 break;
2421 }
2422 /* get flags for HB */
2423 if (net->dest_state & SCTP_ADDR_NOHB) {
2424 paddrp->spp_flags |= SPP_HB_DISABLE;
2425 } else {
2426 paddrp->spp_flags |= SPP_HB_ENABLE;
2427 }
2428 /* get flags for PMTU */
2429 if (net->dest_state & SCTP_ADDR_NO_PMTUD) {
2430 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2431 } else {
2432 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2433 }
2434 if (net->dscp & 0x01) {
2435 paddrp->spp_dscp = net->dscp & 0xfc;
2436 paddrp->spp_flags |= SPP_DSCP;
2437 }
2438 #ifdef INET6
2439 if ((net->ro._l_addr.sa.sa_family == AF_INET6) &&
2440 (net->flowlabel & 0x80000000)) {
2441 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff;
2442 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2443 }
2444 #endif
2445 } else {
2446 /*
2447 * No destination so return default
2448 * value
2449 */
2450 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
2451 paddrp->spp_pathmtu = stcb->asoc.default_mtu;
2452 if (stcb->asoc.default_dscp & 0x01) {
2453 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc;
2454 paddrp->spp_flags |= SPP_DSCP;
2455 }
2456 #ifdef INET6
2457 if (stcb->asoc.default_flowlabel & 0x80000000) {
2458 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff;
2459 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2460 }
2461 #endif
2462 /* default settings should be these */
2463 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
2464 paddrp->spp_flags |= SPP_HB_DISABLE;
2465 } else {
2466 paddrp->spp_flags |= SPP_HB_ENABLE;
2467 }
2468 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
2469 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2470 } else {
2471 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2472 }
2473 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay;
2474 }
2475 paddrp->spp_assoc_id = sctp_get_associd(stcb);
2476 SCTP_TCB_UNLOCK(stcb);
2477 } else {
2478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2479 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2480 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2481 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) {
2482 /* Use endpoint defaults */
2483 SCTP_INP_RLOCK(inp);
2484 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure;
2485 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]);
2486 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC;
2487 /* get inp's default */
2488 if (inp->sctp_ep.default_dscp & 0x01) {
2489 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc;
2490 paddrp->spp_flags |= SPP_DSCP;
2491 }
2492 #ifdef INET6
2493 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
2494 (inp->sctp_ep.default_flowlabel & 0x80000000)) {
2495 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff;
2496 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2497 }
2498 #endif
2499 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu;
2500
2501 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
2502 paddrp->spp_flags |= SPP_HB_ENABLE;
2503 } else {
2504 paddrp->spp_flags |= SPP_HB_DISABLE;
2505 }
2506 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
2507 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2508 } else {
2509 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2510 }
2511 SCTP_INP_RUNLOCK(inp);
2512 } else {
2513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2514 error = EINVAL;
2515 }
2516 }
2517 if (error == 0) {
2518 *optsize = sizeof(struct sctp_paddrparams);
2519 }
2520 break;
2521 }
2522 case SCTP_GET_PEER_ADDR_INFO:
2523 {
2524 struct sctp_paddrinfo *paddri;
2525 struct sctp_nets *net;
2526 struct sockaddr *addr;
2527 #if defined(INET) && defined(INET6)
2528 struct sockaddr_in sin_store;
2529 #endif
2530
2531 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize);
2532 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id);
2533
2534 #if defined(INET) && defined(INET6)
2535 if (paddri->spinfo_address.ss_family == AF_INET6) {
2536 struct sockaddr_in6 *sin6;
2537
2538 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address;
2539 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
2540 in6_sin6_2_sin(&sin_store, sin6);
2541 addr = (struct sockaddr *)&sin_store;
2542 } else {
2543 addr = (struct sockaddr *)&paddri->spinfo_address;
2544 }
2545 } else {
2546 addr = (struct sockaddr *)&paddri->spinfo_address;
2547 }
2548 #else
2549 addr = (struct sockaddr *)&paddri->spinfo_address;
2550 #endif
2551 if (stcb != NULL) {
2552 net = sctp_findnet(stcb, addr);
2553 } else {
2554 /*
2555 * We increment here since
2556 * sctp_findassociation_ep_addr() wil do a
2557 * decrement if it finds the stcb as long as
2558 * the locked tcb (last argument) is NOT a
2559 * TCB.. aka NULL.
2560 */
2561 net = NULL;
2562 SCTP_INP_INCR_REF(inp);
2563 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
2564 if (stcb == NULL) {
2565 SCTP_INP_DECR_REF(inp);
2566 }
2567 }
2568
2569 if ((stcb != NULL) && (net != NULL)) {
2570 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
2571 /* It's unconfirmed */
2572 paddri->spinfo_state = SCTP_UNCONFIRMED;
2573 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
2574 /* It's active */
2575 paddri->spinfo_state = SCTP_ACTIVE;
2576 } else {
2577 /* It's inactive */
2578 paddri->spinfo_state = SCTP_INACTIVE;
2579 }
2580 paddri->spinfo_cwnd = net->cwnd;
2581 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
2582 paddri->spinfo_rto = net->RTO;
2583 paddri->spinfo_assoc_id = sctp_get_associd(stcb);
2584 paddri->spinfo_mtu = net->mtu;
2585 switch (addr->sa_family) {
2586 #if defined(INET)
2587 case AF_INET:
2588 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD;
2589 break;
2590 #endif
2591 #if defined(INET6)
2592 case AF_INET6:
2593 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD;
2594 break;
2595 #endif
2596 default:
2597 break;
2598 }
2599 SCTP_TCB_UNLOCK(stcb);
2600 *optsize = sizeof(struct sctp_paddrinfo);
2601 } else {
2602 if (stcb != NULL) {
2603 SCTP_TCB_UNLOCK(stcb);
2604 }
2605 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2606 error = ENOENT;
2607 }
2608 break;
2609 }
2610 case SCTP_PCB_STATUS:
2611 {
2612 struct sctp_pcbinfo *spcb;
2613
2614 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize);
2615 sctp_fill_pcbinfo(spcb);
2616 *optsize = sizeof(struct sctp_pcbinfo);
2617 break;
2618 }
2619 case SCTP_STATUS:
2620 {
2621 struct sctp_nets *net;
2622 struct sctp_status *sstat;
2623
2624 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize);
2625 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id);
2626
2627 if (stcb == NULL) {
2628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2629 error = EINVAL;
2630 break;
2631 }
2632 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state);
2633 sstat->sstat_assoc_id = sctp_get_associd(stcb);
2634 sstat->sstat_rwnd = stcb->asoc.peers_rwnd;
2635 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt;
2636 /*
2637 * We can't include chunks that have been passed to
2638 * the socket layer. Only things in queue.
2639 */
2640 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue +
2641 stcb->asoc.cnt_on_all_streams);
2642
2643
2644 sstat->sstat_instrms = stcb->asoc.streamincnt;
2645 sstat->sstat_outstrms = stcb->asoc.streamoutcnt;
2646 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc);
2647 net = stcb->asoc.primary_destination;
2648 if (net != NULL) {
2649 memcpy(&sstat->sstat_primary.spinfo_address,
2650 &stcb->asoc.primary_destination->ro._l_addr,
2651 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len);
2652 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport;
2653 /*
2654 * Again the user can get info from
2655 * sctp_constants.h for what the state of
2656 * the network is.
2657 */
2658 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
2659 /* It's unconfirmed */
2660 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED;
2661 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
2662 /* It's active */
2663 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE;
2664 } else {
2665 /* It's inactive */
2666 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE;
2667 }
2668 sstat->sstat_primary.spinfo_cwnd = net->cwnd;
2669 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
2670 sstat->sstat_primary.spinfo_rto = net->RTO;
2671 sstat->sstat_primary.spinfo_mtu = net->mtu;
2672 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) {
2673 #if defined(INET)
2674 case AF_INET:
2675 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD;
2676 break;
2677 #endif
2678 #if defined(INET6)
2679 case AF_INET6:
2680 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD;
2681 break;
2682 #endif
2683 default:
2684 break;
2685 }
2686 } else {
2687 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo));
2688 }
2689 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb);
2690 SCTP_TCB_UNLOCK(stcb);
2691 *optsize = sizeof(struct sctp_status);
2692 break;
2693 }
2694 case SCTP_RTOINFO:
2695 {
2696 struct sctp_rtoinfo *srto;
2697
2698 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize);
2699 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
2700
2701 if (stcb) {
2702 srto->srto_initial = stcb->asoc.initial_rto;
2703 srto->srto_max = stcb->asoc.maxrto;
2704 srto->srto_min = stcb->asoc.minrto;
2705 SCTP_TCB_UNLOCK(stcb);
2706 } else {
2707 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2708 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2709 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2710 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) {
2711 SCTP_INP_RLOCK(inp);
2712 srto->srto_initial = inp->sctp_ep.initial_rto;
2713 srto->srto_max = inp->sctp_ep.sctp_maxrto;
2714 srto->srto_min = inp->sctp_ep.sctp_minrto;
2715 SCTP_INP_RUNLOCK(inp);
2716 } else {
2717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2718 error = EINVAL;
2719 }
2720 }
2721 if (error == 0) {
2722 *optsize = sizeof(struct sctp_rtoinfo);
2723 }
2724 break;
2725 }
2726 case SCTP_TIMEOUTS:
2727 {
2728 struct sctp_timeouts *stimo;
2729
2730 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize);
2731 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id);
2732
2733 if (stcb) {
2734 stimo->stimo_init = stcb->asoc.timoinit;
2735 stimo->stimo_data = stcb->asoc.timodata;
2736 stimo->stimo_sack = stcb->asoc.timosack;
2737 stimo->stimo_shutdown = stcb->asoc.timoshutdown;
2738 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat;
2739 stimo->stimo_cookie = stcb->asoc.timocookie;
2740 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack;
2741 SCTP_TCB_UNLOCK(stcb);
2742 *optsize = sizeof(struct sctp_timeouts);
2743 } else {
2744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2745 error = EINVAL;
2746 }
2747 break;
2748 }
2749 case SCTP_ASSOCINFO:
2750 {
2751 struct sctp_assocparams *sasoc;
2752
2753 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize);
2754 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
2755
2756 if (stcb) {
2757 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life);
2758 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times;
2759 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
2760 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd;
2761 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd;
2762 SCTP_TCB_UNLOCK(stcb);
2763 } else {
2764 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2765 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2766 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2767 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) {
2768 SCTP_INP_RLOCK(inp);
2769 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life);
2770 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times;
2771 sasoc->sasoc_number_peer_destinations = 0;
2772 sasoc->sasoc_peer_rwnd = 0;
2773 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv);
2774 SCTP_INP_RUNLOCK(inp);
2775 } else {
2776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2777 error = EINVAL;
2778 }
2779 }
2780 if (error == 0) {
2781 *optsize = sizeof(struct sctp_assocparams);
2782 }
2783 break;
2784 }
2785 case SCTP_DEFAULT_SEND_PARAM:
2786 {
2787 struct sctp_sndrcvinfo *s_info;
2788
2789 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize);
2790 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
2791
2792 if (stcb) {
2793 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send));
2794 SCTP_TCB_UNLOCK(stcb);
2795 } else {
2796 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2797 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2798 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2799 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) {
2800 SCTP_INP_RLOCK(inp);
2801 memcpy(s_info, &inp->def_send, sizeof(inp->def_send));
2802 SCTP_INP_RUNLOCK(inp);
2803 } else {
2804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2805 error = EINVAL;
2806 }
2807 }
2808 if (error == 0) {
2809 *optsize = sizeof(struct sctp_sndrcvinfo);
2810 }
2811 break;
2812 }
2813 case SCTP_INITMSG:
2814 {
2815 struct sctp_initmsg *sinit;
2816
2817 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize);
2818 SCTP_INP_RLOCK(inp);
2819 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count;
2820 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome;
2821 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times;
2822 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max;
2823 SCTP_INP_RUNLOCK(inp);
2824 *optsize = sizeof(struct sctp_initmsg);
2825 break;
2826 }
2827 case SCTP_PRIMARY_ADDR:
2828 /* we allow a "get" operation on this */
2829 {
2830 struct sctp_setprim *ssp;
2831
2832 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize);
2833 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id);
2834
2835 if (stcb) {
2836 union sctp_sockstore *addr;
2837
2838 addr = &stcb->asoc.primary_destination->ro._l_addr;
2839 switch (addr->sa.sa_family) {
2840 #ifdef INET
2841 case AF_INET:
2842 #ifdef INET6
2843 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2844 in6_sin_2_v4mapsin6(&addr->sin,
2845 (struct sockaddr_in6 *)&ssp->ssp_addr);
2846 } else {
2847 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in));
2848 }
2849 #else
2850 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in));
2851 #endif
2852 break;
2853 #endif
2854 #ifdef INET6
2855 case AF_INET6:
2856 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6));
2857 break;
2858 #endif
2859 default:
2860 break;
2861 }
2862 SCTP_TCB_UNLOCK(stcb);
2863 *optsize = sizeof(struct sctp_setprim);
2864 } else {
2865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2866 error = EINVAL;
2867 }
2868 break;
2869 }
2870 case SCTP_HMAC_IDENT:
2871 {
2872 struct sctp_hmacalgo *shmac;
2873 sctp_hmaclist_t *hmaclist;
2874 uint32_t size;
2875 int i;
2876
2877 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize);
2878
2879 SCTP_INP_RLOCK(inp);
2880 hmaclist = inp->sctp_ep.local_hmacs;
2881 if (hmaclist == NULL) {
2882 /* no HMACs to return */
2883 *optsize = sizeof(*shmac);
2884 SCTP_INP_RUNLOCK(inp);
2885 break;
2886 }
2887 /* is there room for all of the hmac ids? */
2888 size = sizeof(*shmac) + (hmaclist->num_algo *
2889 sizeof(shmac->shmac_idents[0]));
2890 if ((size_t)(*optsize) < size) {
2891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2892 error = EINVAL;
2893 SCTP_INP_RUNLOCK(inp);
2894 break;
2895 }
2896 /* copy in the list */
2897 shmac->shmac_number_of_idents = hmaclist->num_algo;
2898 for (i = 0; i < hmaclist->num_algo; i++) {
2899 shmac->shmac_idents[i] = hmaclist->hmac[i];
2900 }
2901 SCTP_INP_RUNLOCK(inp);
2902 *optsize = size;
2903 break;
2904 }
2905 case SCTP_AUTH_ACTIVE_KEY:
2906 {
2907 struct sctp_authkeyid *scact;
2908
2909 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize);
2910 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
2911
2912 if (stcb) {
2913 /* get the active key on the assoc */
2914 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid;
2915 SCTP_TCB_UNLOCK(stcb);
2916 } else {
2917 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2918 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2919 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2920 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) {
2921 /* get the endpoint active key */
2922 SCTP_INP_RLOCK(inp);
2923 scact->scact_keynumber = inp->sctp_ep.default_keyid;
2924 SCTP_INP_RUNLOCK(inp);
2925 } else {
2926 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2927 error = EINVAL;
2928 }
2929 }
2930 if (error == 0) {
2931 *optsize = sizeof(struct sctp_authkeyid);
2932 }
2933 break;
2934 }
2935 case SCTP_LOCAL_AUTH_CHUNKS:
2936 {
2937 struct sctp_authchunks *sac;
2938 sctp_auth_chklist_t *chklist = NULL;
2939 size_t size = 0;
2940
2941 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
2942 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
2943
2944 if (stcb) {
2945 /* get off the assoc */
2946 chklist = stcb->asoc.local_auth_chunks;
2947 /* is there enough space? */
2948 size = sctp_auth_get_chklist_size(chklist);
2949 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2950 error = EINVAL;
2951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2952 } else {
2953 /* copy in the chunks */
2954 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2955 sac->gauth_number_of_chunks = (uint32_t)size;
2956 *optsize = sizeof(struct sctp_authchunks) + size;
2957 }
2958 SCTP_TCB_UNLOCK(stcb);
2959 } else {
2960 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2961 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2962 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
2963 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) {
2964 /* get off the endpoint */
2965 SCTP_INP_RLOCK(inp);
2966 chklist = inp->sctp_ep.local_auth_chunks;
2967 /* is there enough space? */
2968 size = sctp_auth_get_chklist_size(chklist);
2969 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2970 error = EINVAL;
2971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2972 } else {
2973 /* copy in the chunks */
2974 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2975 sac->gauth_number_of_chunks = (uint32_t)size;
2976 *optsize = sizeof(struct sctp_authchunks) + size;
2977 }
2978 SCTP_INP_RUNLOCK(inp);
2979 } else {
2980 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2981 error = EINVAL;
2982 }
2983 }
2984 break;
2985 }
2986 case SCTP_PEER_AUTH_CHUNKS:
2987 {
2988 struct sctp_authchunks *sac;
2989 sctp_auth_chklist_t *chklist = NULL;
2990 size_t size = 0;
2991
2992 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
2993 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
2994
2995 if (stcb) {
2996 /* get off the assoc */
2997 chklist = stcb->asoc.peer_auth_chunks;
2998 /* is there enough space? */
2999 size = sctp_auth_get_chklist_size(chklist);
3000 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
3001 error = EINVAL;
3002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3003 } else {
3004 /* copy in the chunks */
3005 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
3006 sac->gauth_number_of_chunks = (uint32_t)size;
3007 *optsize = sizeof(struct sctp_authchunks) + size;
3008 }
3009 SCTP_TCB_UNLOCK(stcb);
3010 } else {
3011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
3012 error = ENOENT;
3013 }
3014 break;
3015 }
3016 case SCTP_EVENT:
3017 {
3018 struct sctp_event *event;
3019 uint32_t event_type;
3020
3021 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize);
3022 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
3023
3024 switch (event->se_type) {
3025 case SCTP_ASSOC_CHANGE:
3026 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
3027 break;
3028 case SCTP_PEER_ADDR_CHANGE:
3029 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
3030 break;
3031 case SCTP_REMOTE_ERROR:
3032 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
3033 break;
3034 case SCTP_SEND_FAILED:
3035 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
3036 break;
3037 case SCTP_SHUTDOWN_EVENT:
3038 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
3039 break;
3040 case SCTP_ADAPTATION_INDICATION:
3041 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
3042 break;
3043 case SCTP_PARTIAL_DELIVERY_EVENT:
3044 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
3045 break;
3046 case SCTP_AUTHENTICATION_EVENT:
3047 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
3048 break;
3049 case SCTP_STREAM_RESET_EVENT:
3050 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
3051 break;
3052 case SCTP_SENDER_DRY_EVENT:
3053 event_type = SCTP_PCB_FLAGS_DRYEVNT;
3054 break;
3055 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
3056 event_type = 0;
3057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
3058 error = ENOTSUP;
3059 break;
3060 case SCTP_ASSOC_RESET_EVENT:
3061 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
3062 break;
3063 case SCTP_STREAM_CHANGE_EVENT:
3064 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
3065 break;
3066 case SCTP_SEND_FAILED_EVENT:
3067 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
3068 break;
3069 default:
3070 event_type = 0;
3071 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3072 error = EINVAL;
3073 break;
3074 }
3075 if (event_type > 0) {
3076 if (stcb) {
3077 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type);
3078 } else {
3079 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3080 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3081 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3082 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) {
3083 SCTP_INP_RLOCK(inp);
3084 event->se_on = sctp_is_feature_on(inp, event_type);
3085 SCTP_INP_RUNLOCK(inp);
3086 } else {
3087 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3088 error = EINVAL;
3089 }
3090 }
3091 }
3092 if (stcb != NULL) {
3093 SCTP_TCB_UNLOCK(stcb);
3094 }
3095 if (error == 0) {
3096 *optsize = sizeof(struct sctp_event);
3097 }
3098 break;
3099 }
3100 case SCTP_RECVRCVINFO:
3101 {
3102 int onoff;
3103
3104 if (*optsize < sizeof(int)) {
3105 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3106 error = EINVAL;
3107 } else {
3108 SCTP_INP_RLOCK(inp);
3109 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
3110 SCTP_INP_RUNLOCK(inp);
3111 }
3112 if (error == 0) {
3113 /* return the option value */
3114 *(int *)optval = onoff;
3115 *optsize = sizeof(int);
3116 }
3117 break;
3118 }
3119 case SCTP_RECVNXTINFO:
3120 {
3121 int onoff;
3122
3123 if (*optsize < sizeof(int)) {
3124 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3125 error = EINVAL;
3126 } else {
3127 SCTP_INP_RLOCK(inp);
3128 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
3129 SCTP_INP_RUNLOCK(inp);
3130 }
3131 if (error == 0) {
3132 /* return the option value */
3133 *(int *)optval = onoff;
3134 *optsize = sizeof(int);
3135 }
3136 break;
3137 }
3138 case SCTP_DEFAULT_SNDINFO:
3139 {
3140 struct sctp_sndinfo *info;
3141
3142 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize);
3143 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
3144
3145 if (stcb) {
3146 info->snd_sid = stcb->asoc.def_send.sinfo_stream;
3147 info->snd_flags = stcb->asoc.def_send.sinfo_flags;
3148 info->snd_flags &= 0xfff0;
3149 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid;
3150 info->snd_context = stcb->asoc.def_send.sinfo_context;
3151 SCTP_TCB_UNLOCK(stcb);
3152 } else {
3153 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3154 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3155 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3156 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) {
3157 SCTP_INP_RLOCK(inp);
3158 info->snd_sid = inp->def_send.sinfo_stream;
3159 info->snd_flags = inp->def_send.sinfo_flags;
3160 info->snd_flags &= 0xfff0;
3161 info->snd_ppid = inp->def_send.sinfo_ppid;
3162 info->snd_context = inp->def_send.sinfo_context;
3163 SCTP_INP_RUNLOCK(inp);
3164 } else {
3165 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3166 error = EINVAL;
3167 }
3168 }
3169 if (error == 0) {
3170 *optsize = sizeof(struct sctp_sndinfo);
3171 }
3172 break;
3173 }
3174 case SCTP_DEFAULT_PRINFO:
3175 {
3176 struct sctp_default_prinfo *info;
3177
3178 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize);
3179 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
3180
3181 if (stcb) {
3182 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
3183 info->pr_value = stcb->asoc.def_send.sinfo_timetolive;
3184 SCTP_TCB_UNLOCK(stcb);
3185 } else {
3186 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3187 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3188 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3189 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) {
3190 SCTP_INP_RLOCK(inp);
3191 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
3192 info->pr_value = inp->def_send.sinfo_timetolive;
3193 SCTP_INP_RUNLOCK(inp);
3194 } else {
3195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3196 error = EINVAL;
3197 }
3198 }
3199 if (error == 0) {
3200 *optsize = sizeof(struct sctp_default_prinfo);
3201 }
3202 break;
3203 }
3204 case SCTP_PEER_ADDR_THLDS:
3205 {
3206 struct sctp_paddrthlds *thlds;
3207 struct sctp_nets *net;
3208 struct sockaddr *addr;
3209 #if defined(INET) && defined(INET6)
3210 struct sockaddr_in sin_store;
3211 #endif
3212
3213 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize);
3214 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
3215
3216 #if defined(INET) && defined(INET6)
3217 if (thlds->spt_address.ss_family == AF_INET6) {
3218 struct sockaddr_in6 *sin6;
3219
3220 sin6 = (struct sockaddr_in6 *)&thlds->spt_address;
3221 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
3222 in6_sin6_2_sin(&sin_store, sin6);
3223 addr = (struct sockaddr *)&sin_store;
3224 } else {
3225 addr = (struct sockaddr *)&thlds->spt_address;
3226 }
3227 } else {
3228 addr = (struct sockaddr *)&thlds->spt_address;
3229 }
3230 #else
3231 addr = (struct sockaddr *)&thlds->spt_address;
3232 #endif
3233 if (stcb != NULL) {
3234 net = sctp_findnet(stcb, addr);
3235 } else {
3236 /*
3237 * We increment here since
3238 * sctp_findassociation_ep_addr() wil do a
3239 * decrement if it finds the stcb as long as
3240 * the locked tcb (last argument) is NOT a
3241 * TCB.. aka NULL.
3242 */
3243 net = NULL;
3244 SCTP_INP_INCR_REF(inp);
3245 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
3246 if (stcb == NULL) {
3247 SCTP_INP_DECR_REF(inp);
3248 }
3249 }
3250 if ((stcb != NULL) && (net == NULL)) {
3251 #ifdef INET
3252 if (addr->sa_family == AF_INET) {
3253 struct sockaddr_in *sin;
3254
3255 sin = (struct sockaddr_in *)addr;
3256 if (sin->sin_addr.s_addr != INADDR_ANY) {
3257 error = EINVAL;
3258 SCTP_TCB_UNLOCK(stcb);
3259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3260 break;
3261 }
3262 } else
3263 #endif
3264 #ifdef INET6
3265 if (addr->sa_family == AF_INET6) {
3266 struct sockaddr_in6 *sin6;
3267
3268 sin6 = (struct sockaddr_in6 *)addr;
3269 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3270 error = EINVAL;
3271 SCTP_TCB_UNLOCK(stcb);
3272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3273 break;
3274 }
3275 } else
3276 #endif
3277 {
3278 error = EAFNOSUPPORT;
3279 SCTP_TCB_UNLOCK(stcb);
3280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3281 break;
3282 }
3283 }
3284
3285 if (stcb != NULL) {
3286 if (net != NULL) {
3287 thlds->spt_pathmaxrxt = net->failure_threshold;
3288 thlds->spt_pathpfthld = net->pf_threshold;
3289 thlds->spt_pathcpthld = 0xffff;
3290 } else {
3291 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure;
3292 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold;
3293 thlds->spt_pathcpthld = 0xffff;
3294 }
3295 thlds->spt_assoc_id = sctp_get_associd(stcb);
3296 SCTP_TCB_UNLOCK(stcb);
3297 } else {
3298 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3299 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3300 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3301 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) {
3302 /* Use endpoint defaults */
3303 SCTP_INP_RLOCK(inp);
3304 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure;
3305 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold;
3306 thlds->spt_pathcpthld = 0xffff;
3307 SCTP_INP_RUNLOCK(inp);
3308 } else {
3309 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3310 error = EINVAL;
3311 }
3312 }
3313 if (error == 0) {
3314 *optsize = sizeof(struct sctp_paddrthlds);
3315 }
3316 break;
3317 }
3318 case SCTP_REMOTE_UDP_ENCAPS_PORT:
3319 {
3320 struct sctp_udpencaps *encaps;
3321 struct sctp_nets *net;
3322 struct sockaddr *addr;
3323 #if defined(INET) && defined(INET6)
3324 struct sockaddr_in sin_store;
3325 #endif
3326
3327 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize);
3328 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
3329
3330 #if defined(INET) && defined(INET6)
3331 if (encaps->sue_address.ss_family == AF_INET6) {
3332 struct sockaddr_in6 *sin6;
3333
3334 sin6 = (struct sockaddr_in6 *)&encaps->sue_address;
3335 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
3336 in6_sin6_2_sin(&sin_store, sin6);
3337 addr = (struct sockaddr *)&sin_store;
3338 } else {
3339 addr = (struct sockaddr *)&encaps->sue_address;
3340 }
3341 } else {
3342 addr = (struct sockaddr *)&encaps->sue_address;
3343 }
3344 #else
3345 addr = (struct sockaddr *)&encaps->sue_address;
3346 #endif
3347 if (stcb) {
3348 net = sctp_findnet(stcb, addr);
3349 } else {
3350 /*
3351 * We increment here since
3352 * sctp_findassociation_ep_addr() wil do a
3353 * decrement if it finds the stcb as long as
3354 * the locked tcb (last argument) is NOT a
3355 * TCB.. aka NULL.
3356 */
3357 net = NULL;
3358 SCTP_INP_INCR_REF(inp);
3359 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
3360 if (stcb == NULL) {
3361 SCTP_INP_DECR_REF(inp);
3362 }
3363 }
3364 if ((stcb != NULL) && (net == NULL)) {
3365 #ifdef INET
3366 if (addr->sa_family == AF_INET) {
3367 struct sockaddr_in *sin;
3368
3369 sin = (struct sockaddr_in *)addr;
3370 if (sin->sin_addr.s_addr != INADDR_ANY) {
3371 error = EINVAL;
3372 SCTP_TCB_UNLOCK(stcb);
3373 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3374 break;
3375 }
3376 } else
3377 #endif
3378 #ifdef INET6
3379 if (addr->sa_family == AF_INET6) {
3380 struct sockaddr_in6 *sin6;
3381
3382 sin6 = (struct sockaddr_in6 *)addr;
3383 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3384 error = EINVAL;
3385 SCTP_TCB_UNLOCK(stcb);
3386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3387 break;
3388 }
3389 } else
3390 #endif
3391 {
3392 error = EAFNOSUPPORT;
3393 SCTP_TCB_UNLOCK(stcb);
3394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3395 break;
3396 }
3397 }
3398
3399 if (stcb != NULL) {
3400 if (net) {
3401 encaps->sue_port = net->port;
3402 } else {
3403 encaps->sue_port = stcb->asoc.port;
3404 }
3405 SCTP_TCB_UNLOCK(stcb);
3406 } else {
3407 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3408 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3409 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3410 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) {
3411 SCTP_INP_RLOCK(inp);
3412 encaps->sue_port = inp->sctp_ep.port;
3413 SCTP_INP_RUNLOCK(inp);
3414 } else {
3415 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3416 error = EINVAL;
3417 }
3418 }
3419 if (error == 0) {
3420 *optsize = sizeof(struct sctp_udpencaps);
3421 }
3422 break;
3423 }
3424 case SCTP_ECN_SUPPORTED:
3425 {
3426 struct sctp_assoc_value *av;
3427
3428 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3429 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3430
3431 if (stcb) {
3432 av->assoc_value = stcb->asoc.ecn_supported;
3433 SCTP_TCB_UNLOCK(stcb);
3434 } else {
3435 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3436 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3437 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3438 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3439 SCTP_INP_RLOCK(inp);
3440 av->assoc_value = inp->ecn_supported;
3441 SCTP_INP_RUNLOCK(inp);
3442 } else {
3443 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3444 error = EINVAL;
3445 }
3446 }
3447 if (error == 0) {
3448 *optsize = sizeof(struct sctp_assoc_value);
3449 }
3450 break;
3451 }
3452 case SCTP_PR_SUPPORTED:
3453 {
3454 struct sctp_assoc_value *av;
3455
3456 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3457 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3458
3459 if (stcb) {
3460 av->assoc_value = stcb->asoc.prsctp_supported;
3461 SCTP_TCB_UNLOCK(stcb);
3462 } else {
3463 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3464 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3465 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3466 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3467 SCTP_INP_RLOCK(inp);
3468 av->assoc_value = inp->prsctp_supported;
3469 SCTP_INP_RUNLOCK(inp);
3470 } else {
3471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3472 error = EINVAL;
3473 }
3474 }
3475 if (error == 0) {
3476 *optsize = sizeof(struct sctp_assoc_value);
3477 }
3478 break;
3479 }
3480 case SCTP_AUTH_SUPPORTED:
3481 {
3482 struct sctp_assoc_value *av;
3483
3484 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3485 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3486
3487 if (stcb) {
3488 av->assoc_value = stcb->asoc.auth_supported;
3489 SCTP_TCB_UNLOCK(stcb);
3490 } else {
3491 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3492 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3493 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3494 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3495 SCTP_INP_RLOCK(inp);
3496 av->assoc_value = inp->auth_supported;
3497 SCTP_INP_RUNLOCK(inp);
3498 } else {
3499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3500 error = EINVAL;
3501 }
3502 }
3503 if (error == 0) {
3504 *optsize = sizeof(struct sctp_assoc_value);
3505 }
3506 break;
3507 }
3508 case SCTP_ASCONF_SUPPORTED:
3509 {
3510 struct sctp_assoc_value *av;
3511
3512 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3513 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3514
3515 if (stcb) {
3516 av->assoc_value = stcb->asoc.asconf_supported;
3517 SCTP_TCB_UNLOCK(stcb);
3518 } else {
3519 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3520 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3521 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3522 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3523 SCTP_INP_RLOCK(inp);
3524 av->assoc_value = inp->asconf_supported;
3525 SCTP_INP_RUNLOCK(inp);
3526 } else {
3527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3528 error = EINVAL;
3529 }
3530 }
3531 if (error == 0) {
3532 *optsize = sizeof(struct sctp_assoc_value);
3533 }
3534 break;
3535 }
3536 case SCTP_RECONFIG_SUPPORTED:
3537 {
3538 struct sctp_assoc_value *av;
3539
3540 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3541 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3542
3543 if (stcb) {
3544 av->assoc_value = stcb->asoc.reconfig_supported;
3545 SCTP_TCB_UNLOCK(stcb);
3546 } else {
3547 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3548 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3549 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3550 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3551 SCTP_INP_RLOCK(inp);
3552 av->assoc_value = inp->reconfig_supported;
3553 SCTP_INP_RUNLOCK(inp);
3554 } else {
3555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3556 error = EINVAL;
3557 }
3558 }
3559 if (error == 0) {
3560 *optsize = sizeof(struct sctp_assoc_value);
3561 }
3562 break;
3563 }
3564 case SCTP_NRSACK_SUPPORTED:
3565 {
3566 struct sctp_assoc_value *av;
3567
3568 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3569 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3570
3571 if (stcb) {
3572 av->assoc_value = stcb->asoc.nrsack_supported;
3573 SCTP_TCB_UNLOCK(stcb);
3574 } else {
3575 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3576 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3577 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3578 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3579 SCTP_INP_RLOCK(inp);
3580 av->assoc_value = inp->nrsack_supported;
3581 SCTP_INP_RUNLOCK(inp);
3582 } else {
3583 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3584 error = EINVAL;
3585 }
3586 }
3587 if (error == 0) {
3588 *optsize = sizeof(struct sctp_assoc_value);
3589 }
3590 break;
3591 }
3592 case SCTP_PKTDROP_SUPPORTED:
3593 {
3594 struct sctp_assoc_value *av;
3595
3596 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3597 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3598
3599 if (stcb) {
3600 av->assoc_value = stcb->asoc.pktdrop_supported;
3601 SCTP_TCB_UNLOCK(stcb);
3602 } else {
3603 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3604 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3605 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3606 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3607 SCTP_INP_RLOCK(inp);
3608 av->assoc_value = inp->pktdrop_supported;
3609 SCTP_INP_RUNLOCK(inp);
3610 } else {
3611 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3612 error = EINVAL;
3613 }
3614 }
3615 if (error == 0) {
3616 *optsize = sizeof(struct sctp_assoc_value);
3617 }
3618 break;
3619 }
3620 case SCTP_ENABLE_STREAM_RESET:
3621 {
3622 struct sctp_assoc_value *av;
3623
3624 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3625 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3626
3627 if (stcb) {
3628 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support;
3629 SCTP_TCB_UNLOCK(stcb);
3630 } else {
3631 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3632 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3633 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3634 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3635 SCTP_INP_RLOCK(inp);
3636 av->assoc_value = (uint32_t)inp->local_strreset_support;
3637 SCTP_INP_RUNLOCK(inp);
3638 } else {
3639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3640 error = EINVAL;
3641 }
3642 }
3643 if (error == 0) {
3644 *optsize = sizeof(struct sctp_assoc_value);
3645 }
3646 break;
3647 }
3648 case SCTP_PR_STREAM_STATUS:
3649 {
3650 struct sctp_prstatus *sprstat;
3651 uint16_t sid;
3652 uint16_t policy;
3653
3654 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize);
3655 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id);
3656
3657 sid = sprstat->sprstat_sid;
3658 policy = sprstat->sprstat_policy;
3659 #if defined(SCTP_DETAILED_STR_STATS)
3660 if ((stcb != NULL) &&
3661 (sid < stcb->asoc.streamoutcnt) &&
3662 (policy != SCTP_PR_SCTP_NONE) &&
3663 ((policy <= SCTP_PR_SCTP_MAX) ||
3664 (policy == SCTP_PR_SCTP_ALL))) {
3665 if (policy == SCTP_PR_SCTP_ALL) {
3666 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0];
3667 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0];
3668 } else {
3669 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy];
3670 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy];
3671 }
3672 #else
3673 if ((stcb != NULL) &&
3674 (sid < stcb->asoc.streamoutcnt) &&
3675 (policy == SCTP_PR_SCTP_ALL)) {
3676 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0];
3677 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0];
3678 #endif
3679 } else {
3680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3681 error = EINVAL;
3682 }
3683 if (stcb != NULL) {
3684 SCTP_TCB_UNLOCK(stcb);
3685 }
3686 if (error == 0) {
3687 *optsize = sizeof(struct sctp_prstatus);
3688 }
3689 break;
3690 }
3691 case SCTP_PR_ASSOC_STATUS:
3692 {
3693 struct sctp_prstatus *sprstat;
3694 uint16_t policy;
3695
3696 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize);
3697 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id);
3698
3699 policy = sprstat->sprstat_policy;
3700 if ((stcb != NULL) &&
3701 (policy != SCTP_PR_SCTP_NONE) &&
3702 ((policy <= SCTP_PR_SCTP_MAX) ||
3703 (policy == SCTP_PR_SCTP_ALL))) {
3704 if (policy == SCTP_PR_SCTP_ALL) {
3705 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0];
3706 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0];
3707 } else {
3708 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy];
3709 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy];
3710 }
3711 } else {
3712 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3713 error = EINVAL;
3714 }
3715 if (stcb != NULL) {
3716 SCTP_TCB_UNLOCK(stcb);
3717 }
3718 if (error == 0) {
3719 *optsize = sizeof(struct sctp_prstatus);
3720 }
3721 break;
3722 }
3723 case SCTP_MAX_CWND:
3724 {
3725 struct sctp_assoc_value *av;
3726
3727 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3728 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3729
3730 if (stcb) {
3731 av->assoc_value = stcb->asoc.max_cwnd;
3732 SCTP_TCB_UNLOCK(stcb);
3733 } else {
3734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3735 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3736 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3737 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3738 SCTP_INP_RLOCK(inp);
3739 av->assoc_value = inp->max_cwnd;
3740 SCTP_INP_RUNLOCK(inp);
3741 } else {
3742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3743 error = EINVAL;
3744 }
3745 }
3746 if (error == 0) {
3747 *optsize = sizeof(struct sctp_assoc_value);
3748 }
3749 break;
3750 }
3751 default:
3752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
3753 error = ENOPROTOOPT;
3754 break;
3755 } /* end switch (sopt->sopt_name) */
3756 if (error) {
3757 *optsize = 0;
3758 }
3759 return (error);
3760 }
3761
3762 static int
3763 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
3764 void *p)
3765 {
3766 int error, set_opt;
3767 uint32_t *mopt;
3768 struct sctp_tcb *stcb = NULL;
3769 struct sctp_inpcb *inp = NULL;
3770 uint32_t vrf_id;
3771
3772 if (optval == NULL) {
3773 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3774 return (EINVAL);
3775 }
3776 inp = (struct sctp_inpcb *)so->so_pcb;
3777 if (inp == NULL) {
3778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3779 return (EINVAL);
3780 }
3781 vrf_id = inp->def_vrf_id;
3782
3783 error = 0;
3784 switch (optname) {
3785 case SCTP_NODELAY:
3786 case SCTP_AUTOCLOSE:
3787 case SCTP_AUTO_ASCONF:
3788 case SCTP_EXPLICIT_EOR:
3789 case SCTP_DISABLE_FRAGMENTS:
3790 case SCTP_USE_EXT_RCVINFO:
3791 case SCTP_I_WANT_MAPPED_V4_ADDR:
3792 /* copy in the option value */
3793 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
3794 set_opt = 0;
3795 if (error)
3796 break;
3797 switch (optname) {
3798 case SCTP_DISABLE_FRAGMENTS:
3799 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT;
3800 break;
3801 case SCTP_AUTO_ASCONF:
3802 /*
3803 * NOTE: we don't really support this flag
3804 */
3805 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
3806 /* only valid for bound all sockets */
3807 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) &&
3808 (*mopt != 0)) {
3809 /* forbidden by admin */
3810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM);
3811 return (EPERM);
3812 }
3813 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF;
3814 } else {
3815 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3816 return (EINVAL);
3817 }
3818 break;
3819 case SCTP_EXPLICIT_EOR:
3820 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR;
3821 break;
3822 case SCTP_USE_EXT_RCVINFO:
3823 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO;
3824 break;
3825 case SCTP_I_WANT_MAPPED_V4_ADDR:
3826 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
3827 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4;
3828 } else {
3829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3830 return (EINVAL);
3831 }
3832 break;
3833 case SCTP_NODELAY:
3834 set_opt = SCTP_PCB_FLAGS_NODELAY;
3835 break;
3836 case SCTP_AUTOCLOSE:
3837 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3838 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
3839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3840 return (EINVAL);
3841 }
3842 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE;
3843 /*
3844 * The value is in ticks. Note this does not effect
3845 * old associations, only new ones.
3846 */
3847 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt);
3848 break;
3849 }
3850 SCTP_INP_WLOCK(inp);
3851 if (*mopt != 0) {
3852 sctp_feature_on(inp, set_opt);
3853 } else {
3854 sctp_feature_off(inp, set_opt);
3855 }
3856 SCTP_INP_WUNLOCK(inp);
3857 break;
3858 case SCTP_REUSE_PORT:
3859 {
3860 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
3861 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
3862 /* Can't set it after we are bound */
3863 error = EINVAL;
3864 break;
3865 }
3866 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
3867 /* Can't do this for a 1-m socket */
3868 error = EINVAL;
3869 break;
3870 }
3871 if (optval)
3872 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
3873 else
3874 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE);
3875 break;
3876 }
3877 case SCTP_PARTIAL_DELIVERY_POINT:
3878 {
3879 uint32_t *value;
3880
3881 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
3882 if (*value > SCTP_SB_LIMIT_RCV(so)) {
3883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3884 error = EINVAL;
3885 break;
3886 }
3887 inp->partial_delivery_point = *value;
3888 break;
3889 }
3890 case SCTP_FRAGMENT_INTERLEAVE:
3891 /* not yet until we re-write sctp_recvmsg() */
3892 {
3893 uint32_t *level;
3894
3895 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize);
3896 if (*level == SCTP_FRAG_LEVEL_2) {
3897 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3898 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3899 } else if (*level == SCTP_FRAG_LEVEL_1) {
3900 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3901 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3902 } else if (*level == SCTP_FRAG_LEVEL_0) {
3903 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3904 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3905
3906 } else {
3907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3908 error = EINVAL;
3909 }
3910 break;
3911 }
3912 case SCTP_INTERLEAVING_SUPPORTED:
3913 {
3914 struct sctp_assoc_value *av;
3915
3916 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3917 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3918
3919 if (stcb) {
3920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3921 error = EINVAL;
3922 SCTP_TCB_UNLOCK(stcb);
3923 } else {
3924 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3925 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3926 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3927 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
3928 SCTP_INP_WLOCK(inp);
3929 if (av->assoc_value == 0) {
3930 inp->idata_supported = 0;
3931 } else {
3932 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) &&
3933 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) {
3934 inp->idata_supported = 1;
3935 } else {
3936 /*
3937 * Must have Frag
3938 * interleave and
3939 * stream interleave
3940 * on
3941 */
3942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3943 error = EINVAL;
3944 }
3945 }
3946 SCTP_INP_WUNLOCK(inp);
3947 } else {
3948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3949 error = EINVAL;
3950 }
3951 }
3952 break;
3953 }
3954 case SCTP_CMT_ON_OFF:
3955 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) {
3956 struct sctp_assoc_value *av;
3957
3958 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3959 if (av->assoc_value > SCTP_CMT_MAX) {
3960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3961 error = EINVAL;
3962 break;
3963 }
3964 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3965 if (stcb) {
3966 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
3967 SCTP_TCB_UNLOCK(stcb);
3968 } else {
3969 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3970 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3971 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3972 ((av->assoc_id == SCTP_FUTURE_ASSOC) ||
3973 (av->assoc_id == SCTP_ALL_ASSOC)))) {
3974 SCTP_INP_WLOCK(inp);
3975 inp->sctp_cmt_on_off = av->assoc_value;
3976 SCTP_INP_WUNLOCK(inp);
3977 }
3978 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
3979 ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3980 (av->assoc_id == SCTP_ALL_ASSOC))) {
3981 SCTP_INP_RLOCK(inp);
3982 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3983 SCTP_TCB_LOCK(stcb);
3984 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
3985 SCTP_TCB_UNLOCK(stcb);
3986 }
3987 SCTP_INP_RUNLOCK(inp);
3988 }
3989 }
3990 } else {
3991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
3992 error = ENOPROTOOPT;
3993 }
3994 break;
3995 case SCTP_PLUGGABLE_CC:
3996 {
3997 struct sctp_assoc_value *av;
3998 struct sctp_nets *net;
3999
4000 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4001 if ((av->assoc_value != SCTP_CC_RFC2581) &&
4002 (av->assoc_value != SCTP_CC_HSTCP) &&
4003 (av->assoc_value != SCTP_CC_HTCP) &&
4004 (av->assoc_value != SCTP_CC_RTCC)) {
4005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4006 error = EINVAL;
4007 break;
4008 }
4009 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4010 if (stcb) {
4011 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
4012 stcb->asoc.congestion_control_module = av->assoc_value;
4013 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
4014 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4015 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
4016 }
4017 }
4018 SCTP_TCB_UNLOCK(stcb);
4019 } else {
4020 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4021 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4022 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4023 ((av->assoc_id == SCTP_FUTURE_ASSOC) ||
4024 (av->assoc_id == SCTP_ALL_ASSOC)))) {
4025 SCTP_INP_WLOCK(inp);
4026 inp->sctp_ep.sctp_default_cc_module = av->assoc_value;
4027 SCTP_INP_WUNLOCK(inp);
4028 }
4029 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4030 ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4031 (av->assoc_id == SCTP_ALL_ASSOC))) {
4032 SCTP_INP_RLOCK(inp);
4033 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4034 SCTP_TCB_LOCK(stcb);
4035 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
4036 stcb->asoc.congestion_control_module = av->assoc_value;
4037 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
4038 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4039 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
4040 }
4041 }
4042 SCTP_TCB_UNLOCK(stcb);
4043 }
4044 SCTP_INP_RUNLOCK(inp);
4045 }
4046 }
4047 break;
4048 }
4049 case SCTP_CC_OPTION:
4050 {
4051 struct sctp_cc_option *cc_opt;
4052
4053 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize);
4054 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
4055 if (stcb == NULL) {
4056 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4057 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) {
4058 SCTP_INP_RLOCK(inp);
4059 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4060 SCTP_TCB_LOCK(stcb);
4061 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) {
4062 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt);
4063 }
4064 SCTP_TCB_UNLOCK(stcb);
4065 }
4066 SCTP_INP_RUNLOCK(inp);
4067 } else {
4068 error = EINVAL;
4069 }
4070 } else {
4071 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
4072 error = ENOTSUP;
4073 } else {
4074 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1,
4075 cc_opt);
4076 }
4077 SCTP_TCB_UNLOCK(stcb);
4078 }
4079 break;
4080 }
4081 case SCTP_PLUGGABLE_SS:
4082 {
4083 struct sctp_assoc_value *av;
4084
4085 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4086 if ((av->assoc_value != SCTP_SS_DEFAULT) &&
4087 (av->assoc_value != SCTP_SS_ROUND_ROBIN) &&
4088 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) &&
4089 (av->assoc_value != SCTP_SS_PRIORITY) &&
4090 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) &&
4091 (av->assoc_value != SCTP_SS_FIRST_COME)) {
4092 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4093 error = EINVAL;
4094 break;
4095 }
4096 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4097 if (stcb) {
4098 SCTP_TCB_SEND_LOCK(stcb);
4099 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
4100 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
4101 stcb->asoc.stream_scheduling_module = av->assoc_value;
4102 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
4103 SCTP_TCB_SEND_UNLOCK(stcb);
4104 SCTP_TCB_UNLOCK(stcb);
4105 } else {
4106 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4107 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4108 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4109 ((av->assoc_id == SCTP_FUTURE_ASSOC) ||
4110 (av->assoc_id == SCTP_ALL_ASSOC)))) {
4111 SCTP_INP_WLOCK(inp);
4112 inp->sctp_ep.sctp_default_ss_module = av->assoc_value;
4113 SCTP_INP_WUNLOCK(inp);
4114 }
4115 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4116 ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4117 (av->assoc_id == SCTP_ALL_ASSOC))) {
4118 SCTP_INP_RLOCK(inp);
4119 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4120 SCTP_TCB_LOCK(stcb);
4121 SCTP_TCB_SEND_LOCK(stcb);
4122 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
4123 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
4124 stcb->asoc.stream_scheduling_module = av->assoc_value;
4125 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
4126 SCTP_TCB_SEND_UNLOCK(stcb);
4127 SCTP_TCB_UNLOCK(stcb);
4128 }
4129 SCTP_INP_RUNLOCK(inp);
4130 }
4131 }
4132 break;
4133 }
4134 case SCTP_SS_VALUE:
4135 {
4136 struct sctp_stream_value *av;
4137
4138 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize);
4139 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4140 if (stcb) {
4141 if ((av->stream_id >= stcb->asoc.streamoutcnt) ||
4142 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
4143 av->stream_value) < 0)) {
4144 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4145 error = EINVAL;
4146 }
4147 SCTP_TCB_UNLOCK(stcb);
4148 } else {
4149 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4150 (av->assoc_id == SCTP_CURRENT_ASSOC)) {
4151 SCTP_INP_RLOCK(inp);
4152 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4153 SCTP_TCB_LOCK(stcb);
4154 if (av->stream_id < stcb->asoc.streamoutcnt) {
4155 stcb->asoc.ss_functions.sctp_ss_set_value(stcb,
4156 &stcb->asoc,
4157 &stcb->asoc.strmout[av->stream_id],
4158 av->stream_value);
4159 }
4160 SCTP_TCB_UNLOCK(stcb);
4161 }
4162 SCTP_INP_RUNLOCK(inp);
4163 } else {
4164 /*
4165 * Can't set stream value without
4166 * association
4167 */
4168 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4169 error = EINVAL;
4170 }
4171 }
4172 break;
4173 }
4174 case SCTP_CLR_STAT_LOG:
4175 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4176 error = EOPNOTSUPP;
4177 break;
4178 case SCTP_CONTEXT:
4179 {
4180 struct sctp_assoc_value *av;
4181
4182 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4183 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4184
4185 if (stcb) {
4186 stcb->asoc.context = av->assoc_value;
4187 SCTP_TCB_UNLOCK(stcb);
4188 } else {
4189 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4190 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4191 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4192 ((av->assoc_id == SCTP_FUTURE_ASSOC) ||
4193 (av->assoc_id == SCTP_ALL_ASSOC)))) {
4194 SCTP_INP_WLOCK(inp);
4195 inp->sctp_context = av->assoc_value;
4196 SCTP_INP_WUNLOCK(inp);
4197 }
4198 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4199 ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4200 (av->assoc_id == SCTP_ALL_ASSOC))) {
4201 SCTP_INP_RLOCK(inp);
4202 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4203 SCTP_TCB_LOCK(stcb);
4204 stcb->asoc.context = av->assoc_value;
4205 SCTP_TCB_UNLOCK(stcb);
4206 }
4207 SCTP_INP_RUNLOCK(inp);
4208 }
4209 }
4210 break;
4211 }
4212 case SCTP_VRF_ID:
4213 {
4214 uint32_t *default_vrfid;
4215
4216 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize);
4217 if (*default_vrfid > SCTP_MAX_VRF_ID) {
4218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4219 error = EINVAL;
4220 break;
4221 }
4222 inp->def_vrf_id = *default_vrfid;
4223 break;
4224 }
4225 case SCTP_DEL_VRF_ID:
4226 {
4227 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4228 error = EOPNOTSUPP;
4229 break;
4230 }
4231 case SCTP_ADD_VRF_ID:
4232 {
4233 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4234 error = EOPNOTSUPP;
4235 break;
4236 }
4237 case SCTP_DELAYED_SACK:
4238 {
4239 struct sctp_sack_info *sack;
4240
4241 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize);
4242 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
4243 if (sack->sack_delay) {
4244 if (sack->sack_delay > SCTP_MAX_SACK_DELAY)
4245 sack->sack_delay = SCTP_MAX_SACK_DELAY;
4246 if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
4247 sack->sack_delay = TICKS_TO_MSEC(1);
4248 }
4249 }
4250 if (stcb) {
4251 if (sack->sack_delay) {
4252 stcb->asoc.delayed_ack = sack->sack_delay;
4253 }
4254 if (sack->sack_freq) {
4255 stcb->asoc.sack_freq = sack->sack_freq;
4256 }
4257 SCTP_TCB_UNLOCK(stcb);
4258 } else {
4259 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4260 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4261 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4262 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) ||
4263 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) {
4264 SCTP_INP_WLOCK(inp);
4265 if (sack->sack_delay) {
4266 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay);
4267 }
4268 if (sack->sack_freq) {
4269 inp->sctp_ep.sctp_sack_freq = sack->sack_freq;
4270 }
4271 SCTP_INP_WUNLOCK(inp);
4272 }
4273 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4274 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) ||
4275 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) {
4276 SCTP_INP_RLOCK(inp);
4277 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4278 SCTP_TCB_LOCK(stcb);
4279 if (sack->sack_delay) {
4280 stcb->asoc.delayed_ack = sack->sack_delay;
4281 }
4282 if (sack->sack_freq) {
4283 stcb->asoc.sack_freq = sack->sack_freq;
4284 }
4285 SCTP_TCB_UNLOCK(stcb);
4286 }
4287 SCTP_INP_RUNLOCK(inp);
4288 }
4289 }
4290 break;
4291 }
4292 case SCTP_AUTH_CHUNK:
4293 {
4294 struct sctp_authchunk *sauth;
4295
4296 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize);
4297
4298 SCTP_INP_WLOCK(inp);
4299 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) {
4300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4301 error = EINVAL;
4302 } else {
4303 inp->auth_supported = 1;
4304 }
4305 SCTP_INP_WUNLOCK(inp);
4306 break;
4307 }
4308 case SCTP_AUTH_KEY:
4309 {
4310 struct sctp_authkey *sca;
4311 struct sctp_keyhead *shared_keys;
4312 sctp_sharedkey_t *shared_key;
4313 sctp_key_t *key = NULL;
4314 size_t size;
4315
4316 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize);
4317 if (sca->sca_keylength == 0) {
4318 size = optsize - sizeof(struct sctp_authkey);
4319 } else {
4320 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) {
4321 size = sca->sca_keylength;
4322 } else {
4323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4324 error = EINVAL;
4325 break;
4326 }
4327 }
4328 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id);
4329
4330 if (stcb) {
4331 shared_keys = &stcb->asoc.shared_keys;
4332 /* clear the cached keys for this key id */
4333 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
4334 /*
4335 * create the new shared key and
4336 * insert/replace it
4337 */
4338 if (size > 0) {
4339 key = sctp_set_key(sca->sca_key, (uint32_t)size);
4340 if (key == NULL) {
4341 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4342 error = ENOMEM;
4343 SCTP_TCB_UNLOCK(stcb);
4344 break;
4345 }
4346 }
4347 shared_key = sctp_alloc_sharedkey();
4348 if (shared_key == NULL) {
4349 sctp_free_key(key);
4350 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4351 error = ENOMEM;
4352 SCTP_TCB_UNLOCK(stcb);
4353 break;
4354 }
4355 shared_key->key = key;
4356 shared_key->keyid = sca->sca_keynumber;
4357 error = sctp_insert_sharedkey(shared_keys, shared_key);
4358 SCTP_TCB_UNLOCK(stcb);
4359 } else {
4360 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4361 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4362 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4363 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) ||
4364 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) {
4365 SCTP_INP_WLOCK(inp);
4366 shared_keys = &inp->sctp_ep.shared_keys;
4367 /*
4368 * clear the cached keys on all
4369 * assocs for this key id
4370 */
4371 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber);
4372 /*
4373 * create the new shared key and
4374 * insert/replace it
4375 */
4376 if (size > 0) {
4377 key = sctp_set_key(sca->sca_key, (uint32_t)size);
4378 if (key == NULL) {
4379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4380 error = ENOMEM;
4381 SCTP_INP_WUNLOCK(inp);
4382 break;
4383 }
4384 }
4385 shared_key = sctp_alloc_sharedkey();
4386 if (shared_key == NULL) {
4387 sctp_free_key(key);
4388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4389 error = ENOMEM;
4390 SCTP_INP_WUNLOCK(inp);
4391 break;
4392 }
4393 shared_key->key = key;
4394 shared_key->keyid = sca->sca_keynumber;
4395 error = sctp_insert_sharedkey(shared_keys, shared_key);
4396 SCTP_INP_WUNLOCK(inp);
4397 }
4398 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4399 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) ||
4400 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) {
4401 SCTP_INP_RLOCK(inp);
4402 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4403 SCTP_TCB_LOCK(stcb);
4404 shared_keys = &stcb->asoc.shared_keys;
4405 /*
4406 * clear the cached keys for
4407 * this key id
4408 */
4409 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
4410 /*
4411 * create the new shared key
4412 * and insert/replace it
4413 */
4414 if (size > 0) {
4415 key = sctp_set_key(sca->sca_key, (uint32_t)size);
4416 if (key == NULL) {
4417 SCTP_TCB_UNLOCK(stcb);
4418 continue;
4419 }
4420 }
4421 shared_key = sctp_alloc_sharedkey();
4422 if (shared_key == NULL) {
4423 sctp_free_key(key);
4424 SCTP_TCB_UNLOCK(stcb);
4425 continue;
4426 }
4427 shared_key->key = key;
4428 shared_key->keyid = sca->sca_keynumber;
4429 error = sctp_insert_sharedkey(shared_keys, shared_key);
4430 SCTP_TCB_UNLOCK(stcb);
4431 }
4432 SCTP_INP_RUNLOCK(inp);
4433 }
4434 }
4435 break;
4436 }
4437 case SCTP_HMAC_IDENT:
4438 {
4439 struct sctp_hmacalgo *shmac;
4440 sctp_hmaclist_t *hmaclist;
4441 uint16_t hmacid;
4442 uint32_t i;
4443
4444 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize);
4445 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) ||
4446 (shmac->shmac_number_of_idents > 0xffff)) {
4447 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4448 error = EINVAL;
4449 break;
4450 }
4451
4452 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents);
4453 if (hmaclist == NULL) {
4454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4455 error = ENOMEM;
4456 break;
4457 }
4458 for (i = 0; i < shmac->shmac_number_of_idents; i++) {
4459 hmacid = shmac->shmac_idents[i];
4460 if (sctp_auth_add_hmacid(hmaclist, hmacid)) {
4461 /* invalid HMACs were found */ ;
4462 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4463 error = EINVAL;
4464 sctp_free_hmaclist(hmaclist);
4465 goto sctp_set_hmac_done;
4466 }
4467 }
4468 for (i = 0; i < hmaclist->num_algo; i++) {
4469 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) {
4470 /* already in list */
4471 break;
4472 }
4473 }
4474 if (i == hmaclist->num_algo) {
4475 /* not found in list */
4476 sctp_free_hmaclist(hmaclist);
4477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4478 error = EINVAL;
4479 break;
4480 }
4481 /* set it on the endpoint */
4482 SCTP_INP_WLOCK(inp);
4483 if (inp->sctp_ep.local_hmacs)
4484 sctp_free_hmaclist(inp->sctp_ep.local_hmacs);
4485 inp->sctp_ep.local_hmacs = hmaclist;
4486 SCTP_INP_WUNLOCK(inp);
4487 sctp_set_hmac_done:
4488 break;
4489 }
4490 case SCTP_AUTH_ACTIVE_KEY:
4491 {
4492 struct sctp_authkeyid *scact;
4493
4494 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize);
4495 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
4496
4497 /* set the active key on the right place */
4498 if (stcb) {
4499 /* set the active key on the assoc */
4500 if (sctp_auth_setactivekey(stcb,
4501 scact->scact_keynumber)) {
4502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
4503 SCTP_FROM_SCTP_USRREQ,
4504 EINVAL);
4505 error = EINVAL;
4506 }
4507 SCTP_TCB_UNLOCK(stcb);
4508 } else {
4509 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4510 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4511 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4512 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4513 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) {
4514 SCTP_INP_WLOCK(inp);
4515 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) {
4516 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4517 error = EINVAL;
4518 }
4519 SCTP_INP_WUNLOCK(inp);
4520 }
4521 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4522 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4523 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) {
4524 SCTP_INP_RLOCK(inp);
4525 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4526 SCTP_TCB_LOCK(stcb);
4527 sctp_auth_setactivekey(stcb, scact->scact_keynumber);
4528 SCTP_TCB_UNLOCK(stcb);
4529 }
4530 SCTP_INP_RUNLOCK(inp);
4531 }
4532 }
4533 break;
4534 }
4535 case SCTP_AUTH_DELETE_KEY:
4536 {
4537 struct sctp_authkeyid *scdel;
4538
4539 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize);
4540 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id);
4541
4542 /* delete the key from the right place */
4543 if (stcb) {
4544 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) {
4545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4546 error = EINVAL;
4547 }
4548 SCTP_TCB_UNLOCK(stcb);
4549 } else {
4550 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4551 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4552 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4553 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4554 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) {
4555 SCTP_INP_WLOCK(inp);
4556 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) {
4557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4558 error = EINVAL;
4559 }
4560 SCTP_INP_WUNLOCK(inp);
4561 }
4562 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4563 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4564 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) {
4565 SCTP_INP_RLOCK(inp);
4566 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4567 SCTP_TCB_LOCK(stcb);
4568 sctp_delete_sharedkey(stcb, scdel->scact_keynumber);
4569 SCTP_TCB_UNLOCK(stcb);
4570 }
4571 SCTP_INP_RUNLOCK(inp);
4572 }
4573 }
4574 break;
4575 }
4576 case SCTP_AUTH_DEACTIVATE_KEY:
4577 {
4578 struct sctp_authkeyid *keyid;
4579
4580 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize);
4581 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id);
4582
4583 /* deactivate the key from the right place */
4584 if (stcb) {
4585 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) {
4586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4587 error = EINVAL;
4588 }
4589 SCTP_TCB_UNLOCK(stcb);
4590 } else {
4591 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4592 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4593 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4594 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4595 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) {
4596 SCTP_INP_WLOCK(inp);
4597 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) {
4598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4599 error = EINVAL;
4600 }
4601 SCTP_INP_WUNLOCK(inp);
4602 }
4603 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4604 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4605 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) {
4606 SCTP_INP_RLOCK(inp);
4607 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4608 SCTP_TCB_LOCK(stcb);
4609 sctp_deact_sharedkey(stcb, keyid->scact_keynumber);
4610 SCTP_TCB_UNLOCK(stcb);
4611 }
4612 SCTP_INP_RUNLOCK(inp);
4613 }
4614 }
4615 break;
4616 }
4617 case SCTP_ENABLE_STREAM_RESET:
4618 {
4619 struct sctp_assoc_value *av;
4620
4621 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4622 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) {
4623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4624 error = EINVAL;
4625 break;
4626 }
4627 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4628 if (stcb) {
4629 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value;
4630 SCTP_TCB_UNLOCK(stcb);
4631 } else {
4632 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4633 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4634 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4635 ((av->assoc_id == SCTP_FUTURE_ASSOC) ||
4636 (av->assoc_id == SCTP_ALL_ASSOC)))) {
4637 SCTP_INP_WLOCK(inp);
4638 inp->local_strreset_support = (uint8_t)av->assoc_value;
4639 SCTP_INP_WUNLOCK(inp);
4640 }
4641 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4642 ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4643 (av->assoc_id == SCTP_ALL_ASSOC))) {
4644 SCTP_INP_RLOCK(inp);
4645 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4646 SCTP_TCB_LOCK(stcb);
4647 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value;
4648 SCTP_TCB_UNLOCK(stcb);
4649 }
4650 SCTP_INP_RUNLOCK(inp);
4651 }
4652
4653 }
4654 break;
4655 }
4656 case SCTP_RESET_STREAMS:
4657 {
4658 struct sctp_reset_streams *strrst;
4659 int i, send_out = 0;
4660 int send_in = 0;
4661
4662 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize);
4663 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id);
4664 if (stcb == NULL) {
4665 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4666 error = ENOENT;
4667 break;
4668 }
4669 if (stcb->asoc.reconfig_supported == 0) {
4670 /*
4671 * Peer does not support the chunk type.
4672 */
4673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4674 error = EOPNOTSUPP;
4675 SCTP_TCB_UNLOCK(stcb);
4676 break;
4677 }
4678 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) {
4679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4680 error = EINVAL;
4681 SCTP_TCB_UNLOCK(stcb);
4682 break;
4683 }
4684 if (sizeof(struct sctp_reset_streams) +
4685 strrst->srs_number_streams * sizeof(uint16_t) > optsize) {
4686 error = EINVAL;
4687 SCTP_TCB_UNLOCK(stcb);
4688 break;
4689 }
4690 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) {
4691 send_in = 1;
4692 if (stcb->asoc.stream_reset_outstanding) {
4693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4694 error = EALREADY;
4695 SCTP_TCB_UNLOCK(stcb);
4696 break;
4697 }
4698 }
4699 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) {
4700 send_out = 1;
4701 }
4702 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) {
4703 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4704 error = ENOMEM;
4705 SCTP_TCB_UNLOCK(stcb);
4706 break;
4707 }
4708 if ((send_in == 0) && (send_out == 0)) {
4709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4710 error = EINVAL;
4711 SCTP_TCB_UNLOCK(stcb);
4712 break;
4713 }
4714 for (i = 0; i < strrst->srs_number_streams; i++) {
4715 if ((send_in) &&
4716 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) {
4717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4718 error = EINVAL;
4719 break;
4720 }
4721 if ((send_out) &&
4722 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) {
4723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4724 error = EINVAL;
4725 break;
4726 }
4727 }
4728 if (error) {
4729 SCTP_TCB_UNLOCK(stcb);
4730 break;
4731 }
4732 if (send_out) {
4733 int cnt;
4734 uint16_t strm;
4735
4736 if (strrst->srs_number_streams) {
4737 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) {
4738 strm = strrst->srs_stream_list[i];
4739 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) {
4740 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING;
4741 cnt++;
4742 }
4743 }
4744 } else {
4745 /* Its all */
4746 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) {
4747 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) {
4748 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING;
4749 cnt++;
4750 }
4751 }
4752 }
4753 }
4754 if (send_in) {
4755 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams,
4756 strrst->srs_stream_list,
4757 send_in, 0, 0, 0, 0, 0);
4758 } else {
4759 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED);
4760 }
4761 if (error == 0) {
4762 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4763 } else {
4764 /*
4765 * For outgoing streams don't report any
4766 * problems in sending the request to the
4767 * application. XXX: Double check resetting
4768 * incoming streams.
4769 */
4770 error = 0;
4771 }
4772 SCTP_TCB_UNLOCK(stcb);
4773 break;
4774 }
4775 case SCTP_ADD_STREAMS:
4776 {
4777 struct sctp_add_streams *stradd;
4778 uint8_t addstream = 0;
4779 uint16_t add_o_strmcnt = 0;
4780 uint16_t add_i_strmcnt = 0;
4781
4782 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize);
4783 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id);
4784 if (stcb == NULL) {
4785 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4786 error = ENOENT;
4787 break;
4788 }
4789 if (stcb->asoc.reconfig_supported == 0) {
4790 /*
4791 * Peer does not support the chunk type.
4792 */
4793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4794 error = EOPNOTSUPP;
4795 SCTP_TCB_UNLOCK(stcb);
4796 break;
4797 }
4798 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) {
4799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4800 error = EINVAL;
4801 SCTP_TCB_UNLOCK(stcb);
4802 break;
4803 }
4804 if (stcb->asoc.stream_reset_outstanding) {
4805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4806 error = EALREADY;
4807 SCTP_TCB_UNLOCK(stcb);
4808 break;
4809 }
4810 if ((stradd->sas_outstrms == 0) &&
4811 (stradd->sas_instrms == 0)) {
4812 error = EINVAL;
4813 goto skip_stuff;
4814 }
4815 if (stradd->sas_outstrms) {
4816 addstream = 1;
4817 /* We allocate here */
4818 add_o_strmcnt = stradd->sas_outstrms;
4819 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) {
4820 /* You can't have more than 64k */
4821 error = EINVAL;
4822 goto skip_stuff;
4823 }
4824 }
4825 if (stradd->sas_instrms) {
4826 int cnt;
4827
4828 addstream |= 2;
4829 /*
4830 * We allocate inside
4831 * sctp_send_str_reset_req()
4832 */
4833 add_i_strmcnt = stradd->sas_instrms;
4834 cnt = add_i_strmcnt;
4835 cnt += stcb->asoc.streamincnt;
4836 if (cnt > 0x0000ffff) {
4837 /* You can't have more than 64k */
4838 error = EINVAL;
4839 goto skip_stuff;
4840 }
4841 if (cnt > (int)stcb->asoc.max_inbound_streams) {
4842 /* More than you are allowed */
4843 error = EINVAL;
4844 goto skip_stuff;
4845 }
4846 }
4847 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0);
4848 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4849 skip_stuff:
4850 SCTP_TCB_UNLOCK(stcb);
4851 break;
4852 }
4853 case SCTP_RESET_ASSOC:
4854 {
4855 int i;
4856 uint32_t *value;
4857
4858 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
4859 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value);
4860 if (stcb == NULL) {
4861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4862 error = ENOENT;
4863 break;
4864 }
4865 if (stcb->asoc.reconfig_supported == 0) {
4866 /*
4867 * Peer does not support the chunk type.
4868 */
4869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4870 error = EOPNOTSUPP;
4871 SCTP_TCB_UNLOCK(stcb);
4872 break;
4873 }
4874 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) {
4875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4876 error = EINVAL;
4877 SCTP_TCB_UNLOCK(stcb);
4878 break;
4879 }
4880 if (stcb->asoc.stream_reset_outstanding) {
4881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4882 error = EALREADY;
4883 SCTP_TCB_UNLOCK(stcb);
4884 break;
4885 }
4886 /*
4887 * Is there any data pending in the send or sent
4888 * queues?
4889 */
4890 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) ||
4891 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) {
4892 busy_out:
4893 error = EBUSY;
4894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
4895 SCTP_TCB_UNLOCK(stcb);
4896 break;
4897 }
4898 /* Do any streams have data queued? */
4899 for (i = 0; i < stcb->asoc.streamoutcnt; i++) {
4900 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) {
4901 goto busy_out;
4902 }
4903 }
4904 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0);
4905 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4906 SCTP_TCB_UNLOCK(stcb);
4907 break;
4908 }
4909 case SCTP_CONNECT_X:
4910 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
4911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4912 error = EINVAL;
4913 break;
4914 }
4915 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0);
4916 break;
4917 case SCTP_CONNECT_X_DELAYED:
4918 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
4919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4920 error = EINVAL;
4921 break;
4922 }
4923 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1);
4924 break;
4925 case SCTP_CONNECT_X_COMPLETE:
4926 {
4927 struct sockaddr *sa;
4928
4929 /* FIXME MT: check correct? */
4930 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
4931
4932 /* find tcb */
4933 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
4934 SCTP_INP_RLOCK(inp);
4935 stcb = LIST_FIRST(&inp->sctp_asoc_list);
4936 if (stcb) {
4937 SCTP_TCB_LOCK(stcb);
4938 }
4939 SCTP_INP_RUNLOCK(inp);
4940 } else {
4941 /*
4942 * We increment here since
4943 * sctp_findassociation_ep_addr() wil do a
4944 * decrement if it finds the stcb as long as
4945 * the locked tcb (last argument) is NOT a
4946 * TCB.. aka NULL.
4947 */
4948 SCTP_INP_INCR_REF(inp);
4949 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL);
4950 if (stcb == NULL) {
4951 SCTP_INP_DECR_REF(inp);
4952 }
4953 }
4954
4955 if (stcb == NULL) {
4956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4957 error = ENOENT;
4958 break;
4959 }
4960 if (stcb->asoc.delayed_connection == 1) {
4961 stcb->asoc.delayed_connection = 0;
4962 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
4963 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb,
4964 stcb->asoc.primary_destination,
4965 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8);
4966 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
4967 } else {
4968 /*
4969 * already expired or did not use delayed
4970 * connectx
4971 */
4972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4973 error = EALREADY;
4974 }
4975 SCTP_TCB_UNLOCK(stcb);
4976 break;
4977 }
4978 case SCTP_MAX_BURST:
4979 {
4980 struct sctp_assoc_value *av;
4981
4982 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4983 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4984
4985 if (stcb) {
4986 stcb->asoc.max_burst = av->assoc_value;
4987 SCTP_TCB_UNLOCK(stcb);
4988 } else {
4989 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4990 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4991 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4992 ((av->assoc_id == SCTP_FUTURE_ASSOC) ||
4993 (av->assoc_id == SCTP_ALL_ASSOC)))) {
4994 SCTP_INP_WLOCK(inp);
4995 inp->sctp_ep.max_burst = av->assoc_value;
4996 SCTP_INP_WUNLOCK(inp);
4997 }
4998 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
4999 ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
5000 (av->assoc_id == SCTP_ALL_ASSOC))) {
5001 SCTP_INP_RLOCK(inp);
5002 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5003 SCTP_TCB_LOCK(stcb);
5004 stcb->asoc.max_burst = av->assoc_value;
5005 SCTP_TCB_UNLOCK(stcb);
5006 }
5007 SCTP_INP_RUNLOCK(inp);
5008 }
5009 }
5010 break;
5011 }
5012 case SCTP_MAXSEG:
5013 {
5014 struct sctp_assoc_value *av;
5015 int ovh;
5016
5017 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
5018 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
5019
5020 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
5021 ovh = SCTP_MED_OVERHEAD;
5022 } else {
5023 ovh = SCTP_MED_V4_OVERHEAD;
5024 }
5025 if (stcb) {
5026 if (av->assoc_value) {
5027 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh);
5028 } else {
5029 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
5030 }
5031 SCTP_TCB_UNLOCK(stcb);
5032 } else {
5033 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5034 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5035 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
5036 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
5037 SCTP_INP_WLOCK(inp);
5038 /*
5039 * FIXME MT: I think this is not in
5040 * tune with the API ID
5041 */
5042 if (av->assoc_value) {
5043 inp->sctp_frag_point = (av->assoc_value + ovh);
5044 } else {
5045 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
5046 }
5047 SCTP_INP_WUNLOCK(inp);
5048 } else {
5049 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5050 error = EINVAL;
5051 }
5052 }
5053 break;
5054 }
5055 case SCTP_EVENTS:
5056 {
5057 struct sctp_event_subscribe *events;
5058
5059 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize);
5060
5061 SCTP_INP_WLOCK(inp);
5062 if (events->sctp_data_io_event) {
5063 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
5064 } else {
5065 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
5066 }
5067
5068 if (events->sctp_association_event) {
5069 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5070 } else {
5071 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5072 }
5073
5074 if (events->sctp_address_event) {
5075 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
5076 } else {
5077 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
5078 }
5079
5080 if (events->sctp_send_failure_event) {
5081 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5082 } else {
5083 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5084 }
5085
5086 if (events->sctp_peer_error_event) {
5087 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR);
5088 } else {
5089 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR);
5090 }
5091
5092 if (events->sctp_shutdown_event) {
5093 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5094 } else {
5095 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5096 }
5097
5098 if (events->sctp_partial_delivery_event) {
5099 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
5100 } else {
5101 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
5102 }
5103
5104 if (events->sctp_adaptation_layer_event) {
5105 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5106 } else {
5107 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5108 }
5109
5110 if (events->sctp_authentication_event) {
5111 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT);
5112 } else {
5113 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT);
5114 }
5115
5116 if (events->sctp_sender_dry_event) {
5117 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT);
5118 } else {
5119 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT);
5120 }
5121
5122 if (events->sctp_stream_reset_event) {
5123 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5124 } else {
5125 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5126 }
5127 SCTP_INP_WUNLOCK(inp);
5128
5129 SCTP_INP_RLOCK(inp);
5130 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5131 SCTP_TCB_LOCK(stcb);
5132 if (events->sctp_association_event) {
5133 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5134 } else {
5135 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5136 }
5137 if (events->sctp_address_event) {
5138 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
5139 } else {
5140 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
5141 }
5142 if (events->sctp_send_failure_event) {
5143 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5144 } else {
5145 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5146 }
5147 if (events->sctp_peer_error_event) {
5148 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
5149 } else {
5150 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
5151 }
5152 if (events->sctp_shutdown_event) {
5153 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5154 } else {
5155 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5156 }
5157 if (events->sctp_partial_delivery_event) {
5158 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
5159 } else {
5160 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
5161 }
5162 if (events->sctp_adaptation_layer_event) {
5163 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5164 } else {
5165 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5166 }
5167 if (events->sctp_authentication_event) {
5168 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
5169 } else {
5170 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
5171 }
5172 if (events->sctp_sender_dry_event) {
5173 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
5174 } else {
5175 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
5176 }
5177 if (events->sctp_stream_reset_event) {
5178 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5179 } else {
5180 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5181 }
5182 SCTP_TCB_UNLOCK(stcb);
5183 }
5184 /*
5185 * Send up the sender dry event only for 1-to-1
5186 * style sockets.
5187 */
5188 if (events->sctp_sender_dry_event) {
5189 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5190 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
5191 stcb = LIST_FIRST(&inp->sctp_asoc_list);
5192 if (stcb) {
5193 SCTP_TCB_LOCK(stcb);
5194 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
5195 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
5196 (stcb->asoc.stream_queue_cnt == 0)) {
5197 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
5198 }
5199 SCTP_TCB_UNLOCK(stcb);
5200 }
5201 }
5202 }
5203 SCTP_INP_RUNLOCK(inp);
5204 break;
5205 }
5206 case SCTP_ADAPTATION_LAYER:
5207 {
5208 struct sctp_setadaptation *adap_bits;
5209
5210 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize);
5211 SCTP_INP_WLOCK(inp);
5212 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind;
5213 inp->sctp_ep.adaptation_layer_indicator_provided = 1;
5214 SCTP_INP_WUNLOCK(inp);
5215 break;
5216 }
5217 #ifdef SCTP_DEBUG
5218 case SCTP_SET_INITIAL_DBG_SEQ:
5219 {
5220 uint32_t *vvv;
5221
5222 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize);
5223 SCTP_INP_WLOCK(inp);
5224 inp->sctp_ep.initial_sequence_debug = *vvv;
5225 SCTP_INP_WUNLOCK(inp);
5226 break;
5227 }
5228 #endif
5229 case SCTP_DEFAULT_SEND_PARAM:
5230 {
5231 struct sctp_sndrcvinfo *s_info;
5232
5233 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize);
5234 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
5235
5236 if (stcb) {
5237 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
5238 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
5239 } else {
5240 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5241 error = EINVAL;
5242 }
5243 SCTP_TCB_UNLOCK(stcb);
5244 } else {
5245 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5246 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5247 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
5248 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) ||
5249 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) {
5250 SCTP_INP_WLOCK(inp);
5251 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send)));
5252 SCTP_INP_WUNLOCK(inp);
5253 }
5254 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
5255 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) ||
5256 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) {
5257 SCTP_INP_RLOCK(inp);
5258 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5259 SCTP_TCB_LOCK(stcb);
5260 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
5261 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
5262 }
5263 SCTP_TCB_UNLOCK(stcb);
5264 }
5265 SCTP_INP_RUNLOCK(inp);
5266 }
5267 }
5268 break;
5269 }
5270 case SCTP_PEER_ADDR_PARAMS:
5271 {
5272 struct sctp_paddrparams *paddrp;
5273 struct sctp_nets *net;
5274 struct sockaddr *addr;
5275 #if defined(INET) && defined(INET6)
5276 struct sockaddr_in sin_store;
5277 #endif
5278
5279 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize);
5280 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
5281
5282 #if defined(INET) && defined(INET6)
5283 if (paddrp->spp_address.ss_family == AF_INET6) {
5284 struct sockaddr_in6 *sin6;
5285
5286 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address;
5287 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
5288 in6_sin6_2_sin(&sin_store, sin6);
5289 addr = (struct sockaddr *)&sin_store;
5290 } else {
5291 addr = (struct sockaddr *)&paddrp->spp_address;
5292 }
5293 } else {
5294 addr = (struct sockaddr *)&paddrp->spp_address;
5295 }
5296 #else
5297 addr = (struct sockaddr *)&paddrp->spp_address;
5298 #endif
5299 if (stcb != NULL) {
5300 net = sctp_findnet(stcb, addr);
5301 } else {
5302 /*
5303 * We increment here since
5304 * sctp_findassociation_ep_addr() wil do a
5305 * decrement if it finds the stcb as long as
5306 * the locked tcb (last argument) is NOT a
5307 * TCB.. aka NULL.
5308 */
5309 net = NULL;
5310 SCTP_INP_INCR_REF(inp);
5311 stcb = sctp_findassociation_ep_addr(&inp, addr,
5312 &net, NULL, NULL);
5313 if (stcb == NULL) {
5314 SCTP_INP_DECR_REF(inp);
5315 }
5316 }
5317 if ((stcb != NULL) && (net == NULL)) {
5318 #ifdef INET
5319 if (addr->sa_family == AF_INET) {
5320
5321 struct sockaddr_in *sin;
5322
5323 sin = (struct sockaddr_in *)addr;
5324 if (sin->sin_addr.s_addr != INADDR_ANY) {
5325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5326 SCTP_TCB_UNLOCK(stcb);
5327 error = EINVAL;
5328 break;
5329 }
5330 } else
5331 #endif
5332 #ifdef INET6
5333 if (addr->sa_family == AF_INET6) {
5334 struct sockaddr_in6 *sin6;
5335
5336 sin6 = (struct sockaddr_in6 *)addr;
5337 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
5338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5339 SCTP_TCB_UNLOCK(stcb);
5340 error = EINVAL;
5341 break;
5342 }
5343 } else
5344 #endif
5345 {
5346 error = EAFNOSUPPORT;
5347 SCTP_TCB_UNLOCK(stcb);
5348 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
5349 break;
5350 }
5351 }
5352 /* sanity checks */
5353 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) {
5354 if (stcb)
5355 SCTP_TCB_UNLOCK(stcb);
5356 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5357 return (EINVAL);
5358 }
5359
5360 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) {
5361 if (stcb)
5362 SCTP_TCB_UNLOCK(stcb);
5363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5364 return (EINVAL);
5365 }
5366 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) &&
5367 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) ||
5368 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) {
5369 if (stcb)
5370 SCTP_TCB_UNLOCK(stcb);
5371 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5372 return (EINVAL);
5373 }
5374
5375 if (stcb != NULL) {
5376 /************************TCB SPECIFIC SET ******************/
5377 if (net != NULL) {
5378 /************************NET SPECIFIC SET ******************/
5379 if (paddrp->spp_flags & SPP_HB_DISABLE) {
5380 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) &&
5381 !(net->dest_state & SCTP_ADDR_NOHB)) {
5382 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5383 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9);
5384 }
5385 net->dest_state |= SCTP_ADDR_NOHB;
5386 }
5387 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5388 if (paddrp->spp_hbinterval) {
5389 net->heart_beat_delay = paddrp->spp_hbinterval;
5390 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5391 net->heart_beat_delay = 0;
5392 }
5393 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5394 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
5395 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5396 net->dest_state &= ~SCTP_ADDR_NOHB;
5397 }
5398 if (paddrp->spp_flags & SPP_HB_DEMAND) {
5399 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) {
5400 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5401 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED);
5402 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5403 }
5404 }
5405 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
5406 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5407 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
5408 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11);
5409 }
5410 net->dest_state |= SCTP_ADDR_NO_PMTUD;
5411 net->mtu = paddrp->spp_pathmtu;
5412 switch (net->ro._l_addr.sa.sa_family) {
5413 #ifdef INET
5414 case AF_INET:
5415 net->mtu += SCTP_MIN_V4_OVERHEAD;
5416 break;
5417 #endif
5418 #ifdef INET6
5419 case AF_INET6:
5420 net->mtu += SCTP_MIN_OVERHEAD;
5421 break;
5422 #endif
5423 default:
5424 break;
5425 }
5426 if (net->mtu < stcb->asoc.smallest_mtu) {
5427 sctp_pathmtu_adjustment(stcb, net->mtu);
5428 }
5429 }
5430 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5431 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5432 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
5433 }
5434 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
5435 }
5436 if (paddrp->spp_pathmaxrxt) {
5437 if (net->dest_state & SCTP_ADDR_PF) {
5438 if (net->error_count > paddrp->spp_pathmaxrxt) {
5439 net->dest_state &= ~SCTP_ADDR_PF;
5440 }
5441 } else {
5442 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
5443 (net->error_count > net->pf_threshold)) {
5444 net->dest_state |= SCTP_ADDR_PF;
5445 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5446 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
5447 stcb->sctp_ep, stcb, net,
5448 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12);
5449 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5450 }
5451 }
5452 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5453 if (net->error_count > paddrp->spp_pathmaxrxt) {
5454 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5455 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5456 }
5457 } else {
5458 if (net->error_count <= paddrp->spp_pathmaxrxt) {
5459 net->dest_state |= SCTP_ADDR_REACHABLE;
5460 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5461 }
5462 }
5463 net->failure_threshold = paddrp->spp_pathmaxrxt;
5464 }
5465 if (paddrp->spp_flags & SPP_DSCP) {
5466 net->dscp = paddrp->spp_dscp & 0xfc;
5467 net->dscp |= 0x01;
5468 }
5469 #ifdef INET6
5470 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5471 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
5472 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5473 net->flowlabel |= 0x80000000;
5474 }
5475 }
5476 #endif
5477 } else {
5478 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/
5479 if (paddrp->spp_pathmaxrxt != 0) {
5480 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt;
5481 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5482 if (net->dest_state & SCTP_ADDR_PF) {
5483 if (net->error_count > paddrp->spp_pathmaxrxt) {
5484 net->dest_state &= ~SCTP_ADDR_PF;
5485 }
5486 } else {
5487 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
5488 (net->error_count > net->pf_threshold)) {
5489 net->dest_state |= SCTP_ADDR_PF;
5490 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5491 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
5492 stcb->sctp_ep, stcb, net,
5493 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13);
5494 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5495 }
5496 }
5497 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5498 if (net->error_count > paddrp->spp_pathmaxrxt) {
5499 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5500 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5501 }
5502 } else {
5503 if (net->error_count <= paddrp->spp_pathmaxrxt) {
5504 net->dest_state |= SCTP_ADDR_REACHABLE;
5505 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5506 }
5507 }
5508 net->failure_threshold = paddrp->spp_pathmaxrxt;
5509 }
5510 }
5511
5512 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5513 if (paddrp->spp_hbinterval != 0) {
5514 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval;
5515 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5516 stcb->asoc.heart_beat_delay = 0;
5517 }
5518 /* Turn back on the timer */
5519 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5520 if (paddrp->spp_hbinterval != 0) {
5521 net->heart_beat_delay = paddrp->spp_hbinterval;
5522 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5523 net->heart_beat_delay = 0;
5524 }
5525 if (net->dest_state & SCTP_ADDR_NOHB) {
5526 net->dest_state &= ~SCTP_ADDR_NOHB;
5527 }
5528 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5529 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14);
5530 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5531 }
5532 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5533 }
5534 if (paddrp->spp_flags & SPP_HB_DISABLE) {
5535 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5536 if (!(net->dest_state & SCTP_ADDR_NOHB)) {
5537 net->dest_state |= SCTP_ADDR_NOHB;
5538 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
5539 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
5540 inp, stcb, net,
5541 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15);
5542 }
5543 }
5544 }
5545 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5546 }
5547 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
5548 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5549 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5550 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
5551 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16);
5552 }
5553 net->dest_state |= SCTP_ADDR_NO_PMTUD;
5554 net->mtu = paddrp->spp_pathmtu;
5555 switch (net->ro._l_addr.sa.sa_family) {
5556 #ifdef INET
5557 case AF_INET:
5558 net->mtu += SCTP_MIN_V4_OVERHEAD;
5559 break;
5560 #endif
5561 #ifdef INET6
5562 case AF_INET6:
5563 net->mtu += SCTP_MIN_OVERHEAD;
5564 break;
5565 #endif
5566 default:
5567 break;
5568 }
5569 if (net->mtu < stcb->asoc.smallest_mtu) {
5570 sctp_pathmtu_adjustment(stcb, net->mtu);
5571 }
5572 }
5573 stcb->asoc.default_mtu = paddrp->spp_pathmtu;
5574 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5575 }
5576 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5577 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5578 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5579 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
5580 }
5581 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
5582 }
5583 stcb->asoc.default_mtu = 0;
5584 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5585 }
5586 if (paddrp->spp_flags & SPP_DSCP) {
5587 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5588 net->dscp = paddrp->spp_dscp & 0xfc;
5589 net->dscp |= 0x01;
5590 }
5591 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc;
5592 stcb->asoc.default_dscp |= 0x01;
5593 }
5594 #ifdef INET6
5595 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5596 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5597 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
5598 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5599 net->flowlabel |= 0x80000000;
5600 }
5601 }
5602 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5603 stcb->asoc.default_flowlabel |= 0x80000000;
5604 }
5605 #endif
5606 }
5607 SCTP_TCB_UNLOCK(stcb);
5608 } else {
5609 /************************NO TCB, SET TO default stuff ******************/
5610 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5611 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5612 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
5613 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) {
5614 SCTP_INP_WLOCK(inp);
5615 /*
5616 * For the TOS/FLOWLABEL stuff you
5617 * set it with the options on the
5618 * socket
5619 */
5620 if (paddrp->spp_pathmaxrxt != 0) {
5621 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt;
5622 }
5623
5624 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
5625 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
5626 else if (paddrp->spp_hbinterval != 0) {
5627 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL)
5628 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL;
5629 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
5630 }
5631
5632 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5633 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5634 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
5635 } else if (paddrp->spp_hbinterval) {
5636 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
5637 }
5638 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5639 } else if (paddrp->spp_flags & SPP_HB_DISABLE) {
5640 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5641 }
5642 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5643 inp->sctp_ep.default_mtu = 0;
5644 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5645 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
5646 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu;
5647 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5648 }
5649 if (paddrp->spp_flags & SPP_DSCP) {
5650 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc;
5651 inp->sctp_ep.default_dscp |= 0x01;
5652 }
5653 #ifdef INET6
5654 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5655 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
5656 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5657 inp->sctp_ep.default_flowlabel |= 0x80000000;
5658 }
5659 }
5660 #endif
5661 SCTP_INP_WUNLOCK(inp);
5662 } else {
5663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5664 error = EINVAL;
5665 }
5666 }
5667 break;
5668 }
5669 case SCTP_RTOINFO:
5670 {
5671 struct sctp_rtoinfo *srto;
5672 uint32_t new_init, new_min, new_max;
5673
5674 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize);
5675 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
5676
5677 if (stcb) {
5678 if (srto->srto_initial)
5679 new_init = srto->srto_initial;
5680 else
5681 new_init = stcb->asoc.initial_rto;
5682 if (srto->srto_max)
5683 new_max = srto->srto_max;
5684 else
5685 new_max = stcb->asoc.maxrto;
5686 if (srto->srto_min)
5687 new_min = srto->srto_min;
5688 else
5689 new_min = stcb->asoc.minrto;
5690 if ((new_min <= new_init) && (new_init <= new_max)) {
5691 stcb->asoc.initial_rto = new_init;
5692 stcb->asoc.maxrto = new_max;
5693 stcb->asoc.minrto = new_min;
5694 } else {
5695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5696 error = EINVAL;
5697 }
5698 SCTP_TCB_UNLOCK(stcb);
5699 } else {
5700 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5701 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5702 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
5703 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) {
5704 SCTP_INP_WLOCK(inp);
5705 if (srto->srto_initial)
5706 new_init = srto->srto_initial;
5707 else
5708 new_init = inp->sctp_ep.initial_rto;
5709 if (srto->srto_max)
5710 new_max = srto->srto_max;
5711 else
5712 new_max = inp->sctp_ep.sctp_maxrto;
5713 if (srto->srto_min)
5714 new_min = srto->srto_min;
5715 else
5716 new_min = inp->sctp_ep.sctp_minrto;
5717 if ((new_min <= new_init) && (new_init <= new_max)) {
5718 inp->sctp_ep.initial_rto = new_init;
5719 inp->sctp_ep.sctp_maxrto = new_max;
5720 inp->sctp_ep.sctp_minrto = new_min;
5721 } else {
5722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5723 error = EINVAL;
5724 }
5725 SCTP_INP_WUNLOCK(inp);
5726 } else {
5727 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5728 error = EINVAL;
5729 }
5730 }
5731 break;
5732 }
5733 case SCTP_ASSOCINFO:
5734 {
5735 struct sctp_assocparams *sasoc;
5736
5737 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize);
5738 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
5739 if (sasoc->sasoc_cookie_life) {
5740 /* boundary check the cookie life */
5741 if (sasoc->sasoc_cookie_life < 1000)
5742 sasoc->sasoc_cookie_life = 1000;
5743 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) {
5744 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE;
5745 }
5746 }
5747 if (stcb) {
5748 if (sasoc->sasoc_asocmaxrxt)
5749 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
5750 if (sasoc->sasoc_cookie_life) {
5751 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
5752 }
5753 SCTP_TCB_UNLOCK(stcb);
5754 } else {
5755 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5756 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5757 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
5758 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) {
5759 SCTP_INP_WLOCK(inp);
5760 if (sasoc->sasoc_asocmaxrxt)
5761 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
5762 if (sasoc->sasoc_cookie_life) {
5763 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
5764 }
5765 SCTP_INP_WUNLOCK(inp);
5766 } else {
5767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5768 error = EINVAL;
5769 }
5770 }
5771 break;
5772 }
5773 case SCTP_INITMSG:
5774 {
5775 struct sctp_initmsg *sinit;
5776
5777 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize);
5778 SCTP_INP_WLOCK(inp);
5779 if (sinit->sinit_num_ostreams)
5780 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams;
5781
5782 if (sinit->sinit_max_instreams)
5783 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams;
5784
5785 if (sinit->sinit_max_attempts)
5786 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts;
5787
5788 if (sinit->sinit_max_init_timeo)
5789 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo;
5790 SCTP_INP_WUNLOCK(inp);
5791 break;
5792 }
5793 case SCTP_PRIMARY_ADDR:
5794 {
5795 struct sctp_setprim *spa;
5796 struct sctp_nets *net;
5797 struct sockaddr *addr;
5798 #if defined(INET) && defined(INET6)
5799 struct sockaddr_in sin_store;
5800 #endif
5801
5802 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize);
5803 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id);
5804
5805 #if defined(INET) && defined(INET6)
5806 if (spa->ssp_addr.ss_family == AF_INET6) {
5807 struct sockaddr_in6 *sin6;
5808
5809 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr;
5810 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
5811 in6_sin6_2_sin(&sin_store, sin6);
5812 addr = (struct sockaddr *)&sin_store;
5813 } else {
5814 addr = (struct sockaddr *)&spa->ssp_addr;
5815 }
5816 } else {
5817 addr = (struct sockaddr *)&spa->ssp_addr;
5818 }
5819 #else
5820 addr = (struct sockaddr *)&spa->ssp_addr;
5821 #endif
5822 if (stcb != NULL) {
5823 net = sctp_findnet(stcb, addr);
5824 } else {
5825 /*
5826 * We increment here since
5827 * sctp_findassociation_ep_addr() wil do a
5828 * decrement if it finds the stcb as long as
5829 * the locked tcb (last argument) is NOT a
5830 * TCB.. aka NULL.
5831 */
5832 net = NULL;
5833 SCTP_INP_INCR_REF(inp);
5834 stcb = sctp_findassociation_ep_addr(&inp, addr,
5835 &net, NULL, NULL);
5836 if (stcb == NULL) {
5837 SCTP_INP_DECR_REF(inp);
5838 }
5839 }
5840
5841 if ((stcb != NULL) && (net != NULL)) {
5842 if (net != stcb->asoc.primary_destination) {
5843 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
5844 /* Ok we need to set it */
5845 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) {
5846 if ((stcb->asoc.alternate) &&
5847 (!(net->dest_state & SCTP_ADDR_PF)) &&
5848 (net->dest_state & SCTP_ADDR_REACHABLE)) {
5849 sctp_free_remote_addr(stcb->asoc.alternate);
5850 stcb->asoc.alternate = NULL;
5851 }
5852 } else {
5853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5854 error = EINVAL;
5855 }
5856 } else {
5857 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5858 error = EINVAL;
5859 }
5860 }
5861 } else {
5862 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5863 error = EINVAL;
5864 }
5865 if (stcb != NULL) {
5866 SCTP_TCB_UNLOCK(stcb);
5867 }
5868 break;
5869 }
5870 case SCTP_SET_DYNAMIC_PRIMARY:
5871 {
5872 union sctp_sockstore *ss;
5873
5874 error = priv_check(curthread,
5875 PRIV_NETINET_RESERVEDPORT);
5876 if (error)
5877 break;
5878
5879 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize);
5880 /* SUPER USER CHECK? */
5881 error = sctp_dynamic_set_primary(&ss->sa, vrf_id);
5882 break;
5883 }
5884 case SCTP_SET_PEER_PRIMARY_ADDR:
5885 {
5886 struct sctp_setpeerprim *sspp;
5887 struct sockaddr *addr;
5888 #if defined(INET) && defined(INET6)
5889 struct sockaddr_in sin_store;
5890 #endif
5891
5892 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize);
5893 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id);
5894 if (stcb != NULL) {
5895 struct sctp_ifa *ifa;
5896
5897 #if defined(INET) && defined(INET6)
5898 if (sspp->sspp_addr.ss_family == AF_INET6) {
5899 struct sockaddr_in6 *sin6;
5900
5901 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr;
5902 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
5903 in6_sin6_2_sin(&sin_store, sin6);
5904 addr = (struct sockaddr *)&sin_store;
5905 } else {
5906 addr = (struct sockaddr *)&sspp->sspp_addr;
5907 }
5908 } else {
5909 addr = (struct sockaddr *)&sspp->sspp_addr;
5910 }
5911 #else
5912 addr = (struct sockaddr *)&sspp->sspp_addr;
5913 #endif
5914 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED);
5915 if (ifa == NULL) {
5916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5917 error = EINVAL;
5918 goto out_of_it;
5919 }
5920 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
5921 /*
5922 * Must validate the ifa found is in
5923 * our ep
5924 */
5925 struct sctp_laddr *laddr;
5926 int found = 0;
5927
5928 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
5929 if (laddr->ifa == NULL) {
5930 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n",
5931 __func__);
5932 continue;
5933 }
5934 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) &&
5935 (!sctp_is_addr_pending(stcb, laddr->ifa))) {
5936 continue;
5937 }
5938 if (laddr->ifa == ifa) {
5939 found = 1;
5940 break;
5941 }
5942 }
5943 if (!found) {
5944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5945 error = EINVAL;
5946 goto out_of_it;
5947 }
5948 } else {
5949 switch (addr->sa_family) {
5950 #ifdef INET
5951 case AF_INET:
5952 {
5953 struct sockaddr_in *sin;
5954
5955 sin = (struct sockaddr_in *)addr;
5956 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
5957 &sin->sin_addr) != 0) {
5958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5959 error = EINVAL;
5960 goto out_of_it;
5961 }
5962 break;
5963 }
5964 #endif
5965 #ifdef INET6
5966 case AF_INET6:
5967 {
5968 struct sockaddr_in6 *sin6;
5969
5970 sin6 = (struct sockaddr_in6 *)addr;
5971 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
5972 &sin6->sin6_addr) != 0) {
5973 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5974 error = EINVAL;
5975 goto out_of_it;
5976 }
5977 break;
5978 }
5979 #endif
5980 default:
5981 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5982 error = EINVAL;
5983 goto out_of_it;
5984 }
5985 }
5986 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) {
5987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5988 error = EINVAL;
5989 }
5990 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED);
5991 out_of_it:
5992 SCTP_TCB_UNLOCK(stcb);
5993 } else {
5994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5995 error = EINVAL;
5996 }
5997 break;
5998 }
5999 case SCTP_BINDX_ADD_ADDR:
6000 {
6001 struct sctp_getaddresses *addrs;
6002 struct thread *td;
6003
6004 td = (struct thread *)p;
6005 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses,
6006 optsize);
6007 #ifdef INET
6008 if (addrs->addr->sa_family == AF_INET) {
6009 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
6010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6011 error = EINVAL;
6012 break;
6013 }
6014 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
6015 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6016 break;
6017 }
6018 } else
6019 #endif
6020 #ifdef INET6
6021 if (addrs->addr->sa_family == AF_INET6) {
6022 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
6023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6024 error = EINVAL;
6025 break;
6026 }
6027 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
6028 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
6029 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6030 break;
6031 }
6032 } else
6033 #endif
6034 {
6035 error = EAFNOSUPPORT;
6036 break;
6037 }
6038 sctp_bindx_add_address(so, inp, addrs->addr,
6039 addrs->sget_assoc_id, vrf_id,
6040 &error, p);
6041 break;
6042 }
6043 case SCTP_BINDX_REM_ADDR:
6044 {
6045 struct sctp_getaddresses *addrs;
6046 struct thread *td;
6047
6048 td = (struct thread *)p;
6049
6050 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize);
6051 #ifdef INET
6052 if (addrs->addr->sa_family == AF_INET) {
6053 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
6054 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6055 error = EINVAL;
6056 break;
6057 }
6058 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
6059 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6060 break;
6061 }
6062 } else
6063 #endif
6064 #ifdef INET6
6065 if (addrs->addr->sa_family == AF_INET6) {
6066 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
6067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6068 error = EINVAL;
6069 break;
6070 }
6071 if (td != NULL &&
6072 (error = prison_local_ip6(td->td_ucred,
6073 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
6074 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
6075 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6076 break;
6077 }
6078 } else
6079 #endif
6080 {
6081 error = EAFNOSUPPORT;
6082 break;
6083 }
6084 sctp_bindx_delete_address(inp, addrs->addr,
6085 addrs->sget_assoc_id, vrf_id,
6086 &error);
6087 break;
6088 }
6089 case SCTP_EVENT:
6090 {
6091 struct sctp_event *event;
6092 uint32_t event_type;
6093
6094 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize);
6095 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
6096 switch (event->se_type) {
6097 case SCTP_ASSOC_CHANGE:
6098 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
6099 break;
6100 case SCTP_PEER_ADDR_CHANGE:
6101 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
6102 break;
6103 case SCTP_REMOTE_ERROR:
6104 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
6105 break;
6106 case SCTP_SEND_FAILED:
6107 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
6108 break;
6109 case SCTP_SHUTDOWN_EVENT:
6110 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
6111 break;
6112 case SCTP_ADAPTATION_INDICATION:
6113 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
6114 break;
6115 case SCTP_PARTIAL_DELIVERY_EVENT:
6116 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
6117 break;
6118 case SCTP_AUTHENTICATION_EVENT:
6119 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
6120 break;
6121 case SCTP_STREAM_RESET_EVENT:
6122 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
6123 break;
6124 case SCTP_SENDER_DRY_EVENT:
6125 event_type = SCTP_PCB_FLAGS_DRYEVNT;
6126 break;
6127 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
6128 event_type = 0;
6129 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
6130 error = ENOTSUP;
6131 break;
6132 case SCTP_ASSOC_RESET_EVENT:
6133 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
6134 break;
6135 case SCTP_STREAM_CHANGE_EVENT:
6136 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
6137 break;
6138 case SCTP_SEND_FAILED_EVENT:
6139 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
6140 break;
6141 default:
6142 event_type = 0;
6143 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6144 error = EINVAL;
6145 break;
6146 }
6147 if (event_type > 0) {
6148 if (stcb) {
6149 if (event->se_on) {
6150 sctp_stcb_feature_on(inp, stcb, event_type);
6151 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) {
6152 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
6153 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
6154 (stcb->asoc.stream_queue_cnt == 0)) {
6155 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
6156 }
6157 }
6158 } else {
6159 sctp_stcb_feature_off(inp, stcb, event_type);
6160 }
6161 SCTP_TCB_UNLOCK(stcb);
6162 } else {
6163 /*
6164 * We don't want to send up a storm
6165 * of events, so return an error for
6166 * sender dry events
6167 */
6168 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) &&
6169 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6170 ((event->se_assoc_id == SCTP_ALL_ASSOC) ||
6171 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) {
6172 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
6173 error = ENOTSUP;
6174 break;
6175 }
6176 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6177 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6178 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6179 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) ||
6180 (event->se_assoc_id == SCTP_ALL_ASSOC)))) {
6181 SCTP_INP_WLOCK(inp);
6182 if (event->se_on) {
6183 sctp_feature_on(inp, event_type);
6184 } else {
6185 sctp_feature_off(inp, event_type);
6186 }
6187 SCTP_INP_WUNLOCK(inp);
6188 }
6189 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6190 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) ||
6191 (event->se_assoc_id == SCTP_ALL_ASSOC))) {
6192 SCTP_INP_RLOCK(inp);
6193 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6194 SCTP_TCB_LOCK(stcb);
6195 if (event->se_on) {
6196 sctp_stcb_feature_on(inp, stcb, event_type);
6197 } else {
6198 sctp_stcb_feature_off(inp, stcb, event_type);
6199 }
6200 SCTP_TCB_UNLOCK(stcb);
6201 }
6202 SCTP_INP_RUNLOCK(inp);
6203 }
6204 }
6205 } else {
6206 if (stcb) {
6207 SCTP_TCB_UNLOCK(stcb);
6208 }
6209 }
6210 break;
6211 }
6212 case SCTP_RECVRCVINFO:
6213 {
6214 int *onoff;
6215
6216 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
6217 SCTP_INP_WLOCK(inp);
6218 if (*onoff != 0) {
6219 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
6220 } else {
6221 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
6222 }
6223 SCTP_INP_WUNLOCK(inp);
6224 break;
6225 }
6226 case SCTP_RECVNXTINFO:
6227 {
6228 int *onoff;
6229
6230 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
6231 SCTP_INP_WLOCK(inp);
6232 if (*onoff != 0) {
6233 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
6234 } else {
6235 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
6236 }
6237 SCTP_INP_WUNLOCK(inp);
6238 break;
6239 }
6240 case SCTP_DEFAULT_SNDINFO:
6241 {
6242 struct sctp_sndinfo *info;
6243 uint16_t policy;
6244
6245 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize);
6246 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
6247
6248 if (stcb) {
6249 if (info->snd_sid < stcb->asoc.streamoutcnt) {
6250 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
6251 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
6252 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
6253 stcb->asoc.def_send.sinfo_flags |= policy;
6254 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
6255 stcb->asoc.def_send.sinfo_context = info->snd_context;
6256 } else {
6257 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6258 error = EINVAL;
6259 }
6260 SCTP_TCB_UNLOCK(stcb);
6261 } else {
6262 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6263 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6264 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6265 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) ||
6266 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) {
6267 SCTP_INP_WLOCK(inp);
6268 inp->def_send.sinfo_stream = info->snd_sid;
6269 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
6270 inp->def_send.sinfo_flags = info->snd_flags;
6271 inp->def_send.sinfo_flags |= policy;
6272 inp->def_send.sinfo_ppid = info->snd_ppid;
6273 inp->def_send.sinfo_context = info->snd_context;
6274 SCTP_INP_WUNLOCK(inp);
6275 }
6276 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6277 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) ||
6278 (info->snd_assoc_id == SCTP_ALL_ASSOC))) {
6279 SCTP_INP_RLOCK(inp);
6280 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6281 SCTP_TCB_LOCK(stcb);
6282 if (info->snd_sid < stcb->asoc.streamoutcnt) {
6283 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
6284 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
6285 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
6286 stcb->asoc.def_send.sinfo_flags |= policy;
6287 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
6288 stcb->asoc.def_send.sinfo_context = info->snd_context;
6289 }
6290 SCTP_TCB_UNLOCK(stcb);
6291 }
6292 SCTP_INP_RUNLOCK(inp);
6293 }
6294 }
6295 break;
6296 }
6297 case SCTP_DEFAULT_PRINFO:
6298 {
6299 struct sctp_default_prinfo *info;
6300
6301 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize);
6302 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
6303
6304 if (info->pr_policy > SCTP_PR_SCTP_MAX) {
6305 if (stcb) {
6306 SCTP_TCB_UNLOCK(stcb);
6307 }
6308 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6309 error = EINVAL;
6310 break;
6311 }
6312 if (stcb) {
6313 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
6314 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
6315 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
6316 SCTP_TCB_UNLOCK(stcb);
6317 } else {
6318 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6319 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6320 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6321 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) ||
6322 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) {
6323 SCTP_INP_WLOCK(inp);
6324 inp->def_send.sinfo_flags &= 0xfff0;
6325 inp->def_send.sinfo_flags |= info->pr_policy;
6326 inp->def_send.sinfo_timetolive = info->pr_value;
6327 SCTP_INP_WUNLOCK(inp);
6328 }
6329 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6330 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) ||
6331 (info->pr_assoc_id == SCTP_ALL_ASSOC))) {
6332 SCTP_INP_RLOCK(inp);
6333 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6334 SCTP_TCB_LOCK(stcb);
6335 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
6336 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
6337 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
6338 SCTP_TCB_UNLOCK(stcb);
6339 }
6340 SCTP_INP_RUNLOCK(inp);
6341 }
6342 }
6343 break;
6344 }
6345 case SCTP_PEER_ADDR_THLDS:
6346 /* Applies to the specific association */
6347 {
6348 struct sctp_paddrthlds *thlds;
6349 struct sctp_nets *net;
6350 struct sockaddr *addr;
6351 #if defined(INET) && defined(INET6)
6352 struct sockaddr_in sin_store;
6353 #endif
6354
6355 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize);
6356 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
6357
6358 #if defined(INET) && defined(INET6)
6359 if (thlds->spt_address.ss_family == AF_INET6) {
6360 struct sockaddr_in6 *sin6;
6361
6362 sin6 = (struct sockaddr_in6 *)&thlds->spt_address;
6363 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
6364 in6_sin6_2_sin(&sin_store, sin6);
6365 addr = (struct sockaddr *)&sin_store;
6366 } else {
6367 addr = (struct sockaddr *)&thlds->spt_address;
6368 }
6369 } else {
6370 addr = (struct sockaddr *)&thlds->spt_address;
6371 }
6372 #else
6373 addr = (struct sockaddr *)&thlds->spt_address;
6374 #endif
6375 if (stcb != NULL) {
6376 net = sctp_findnet(stcb, addr);
6377 } else {
6378 /*
6379 * We increment here since
6380 * sctp_findassociation_ep_addr() wil do a
6381 * decrement if it finds the stcb as long as
6382 * the locked tcb (last argument) is NOT a
6383 * TCB.. aka NULL.
6384 */
6385 net = NULL;
6386 SCTP_INP_INCR_REF(inp);
6387 stcb = sctp_findassociation_ep_addr(&inp, addr,
6388 &net, NULL, NULL);
6389 if (stcb == NULL) {
6390 SCTP_INP_DECR_REF(inp);
6391 }
6392 }
6393 if ((stcb != NULL) && (net == NULL)) {
6394 #ifdef INET
6395 if (addr->sa_family == AF_INET) {
6396
6397 struct sockaddr_in *sin;
6398
6399 sin = (struct sockaddr_in *)addr;
6400 if (sin->sin_addr.s_addr != INADDR_ANY) {
6401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6402 SCTP_TCB_UNLOCK(stcb);
6403 error = EINVAL;
6404 break;
6405 }
6406 } else
6407 #endif
6408 #ifdef INET6
6409 if (addr->sa_family == AF_INET6) {
6410 struct sockaddr_in6 *sin6;
6411
6412 sin6 = (struct sockaddr_in6 *)addr;
6413 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
6414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6415 SCTP_TCB_UNLOCK(stcb);
6416 error = EINVAL;
6417 break;
6418 }
6419 } else
6420 #endif
6421 {
6422 error = EAFNOSUPPORT;
6423 SCTP_TCB_UNLOCK(stcb);
6424 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6425 break;
6426 }
6427 }
6428 if (thlds->spt_pathcpthld != 0xffff) {
6429 if (stcb != NULL) {
6430 SCTP_TCB_UNLOCK(stcb);
6431 }
6432 error = EINVAL;
6433 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6434 break;
6435 }
6436 if (stcb != NULL) {
6437 if (net != NULL) {
6438 net->failure_threshold = thlds->spt_pathmaxrxt;
6439 net->pf_threshold = thlds->spt_pathpfthld;
6440 if (net->dest_state & SCTP_ADDR_PF) {
6441 if ((net->error_count > net->failure_threshold) ||
6442 (net->error_count <= net->pf_threshold)) {
6443 net->dest_state &= ~SCTP_ADDR_PF;
6444 }
6445 } else {
6446 if ((net->error_count > net->pf_threshold) &&
6447 (net->error_count <= net->failure_threshold)) {
6448 net->dest_state |= SCTP_ADDR_PF;
6449 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
6450 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
6451 stcb->sctp_ep, stcb, net,
6452 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17);
6453 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
6454 }
6455 }
6456 if (net->dest_state & SCTP_ADDR_REACHABLE) {
6457 if (net->error_count > net->failure_threshold) {
6458 net->dest_state &= ~SCTP_ADDR_REACHABLE;
6459 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
6460 }
6461 } else {
6462 if (net->error_count <= net->failure_threshold) {
6463 net->dest_state |= SCTP_ADDR_REACHABLE;
6464 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
6465 }
6466 }
6467 } else {
6468 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6469 net->failure_threshold = thlds->spt_pathmaxrxt;
6470 net->pf_threshold = thlds->spt_pathpfthld;
6471 if (net->dest_state & SCTP_ADDR_PF) {
6472 if ((net->error_count > net->failure_threshold) ||
6473 (net->error_count <= net->pf_threshold)) {
6474 net->dest_state &= ~SCTP_ADDR_PF;
6475 }
6476 } else {
6477 if ((net->error_count > net->pf_threshold) &&
6478 (net->error_count <= net->failure_threshold)) {
6479 net->dest_state |= SCTP_ADDR_PF;
6480 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
6481 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
6482 stcb->sctp_ep, stcb, net,
6483 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18);
6484 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
6485 }
6486 }
6487 if (net->dest_state & SCTP_ADDR_REACHABLE) {
6488 if (net->error_count > net->failure_threshold) {
6489 net->dest_state &= ~SCTP_ADDR_REACHABLE;
6490 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
6491 }
6492 } else {
6493 if (net->error_count <= net->failure_threshold) {
6494 net->dest_state |= SCTP_ADDR_REACHABLE;
6495 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
6496 }
6497 }
6498 }
6499 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt;
6500 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld;
6501 }
6502 SCTP_TCB_UNLOCK(stcb);
6503 } else {
6504 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6505 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6506 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6507 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) {
6508 SCTP_INP_WLOCK(inp);
6509 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt;
6510 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld;
6511 SCTP_INP_WUNLOCK(inp);
6512 } else {
6513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6514 error = EINVAL;
6515 }
6516 }
6517 break;
6518 }
6519 case SCTP_REMOTE_UDP_ENCAPS_PORT:
6520 {
6521 struct sctp_udpencaps *encaps;
6522 struct sctp_nets *net;
6523 struct sockaddr *addr;
6524 #if defined(INET) && defined(INET6)
6525 struct sockaddr_in sin_store;
6526 #endif
6527
6528 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize);
6529 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
6530
6531 #if defined(INET) && defined(INET6)
6532 if (encaps->sue_address.ss_family == AF_INET6) {
6533 struct sockaddr_in6 *sin6;
6534
6535 sin6 = (struct sockaddr_in6 *)&encaps->sue_address;
6536 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
6537 in6_sin6_2_sin(&sin_store, sin6);
6538 addr = (struct sockaddr *)&sin_store;
6539 } else {
6540 addr = (struct sockaddr *)&encaps->sue_address;
6541 }
6542 } else {
6543 addr = (struct sockaddr *)&encaps->sue_address;
6544 }
6545 #else
6546 addr = (struct sockaddr *)&encaps->sue_address;
6547 #endif
6548 if (stcb != NULL) {
6549 net = sctp_findnet(stcb, addr);
6550 } else {
6551 /*
6552 * We increment here since
6553 * sctp_findassociation_ep_addr() wil do a
6554 * decrement if it finds the stcb as long as
6555 * the locked tcb (last argument) is NOT a
6556 * TCB.. aka NULL.
6557 */
6558 net = NULL;
6559 SCTP_INP_INCR_REF(inp);
6560 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
6561 if (stcb == NULL) {
6562 SCTP_INP_DECR_REF(inp);
6563 }
6564 }
6565 if ((stcb != NULL) && (net == NULL)) {
6566 #ifdef INET
6567 if (addr->sa_family == AF_INET) {
6568
6569 struct sockaddr_in *sin;
6570
6571 sin = (struct sockaddr_in *)addr;
6572 if (sin->sin_addr.s_addr != INADDR_ANY) {
6573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6574 SCTP_TCB_UNLOCK(stcb);
6575 error = EINVAL;
6576 break;
6577 }
6578 } else
6579 #endif
6580 #ifdef INET6
6581 if (addr->sa_family == AF_INET6) {
6582 struct sockaddr_in6 *sin6;
6583
6584 sin6 = (struct sockaddr_in6 *)addr;
6585 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
6586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6587 SCTP_TCB_UNLOCK(stcb);
6588 error = EINVAL;
6589 break;
6590 }
6591 } else
6592 #endif
6593 {
6594 error = EAFNOSUPPORT;
6595 SCTP_TCB_UNLOCK(stcb);
6596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6597 break;
6598 }
6599 }
6600
6601 if (stcb != NULL) {
6602 if (net != NULL) {
6603 net->port = encaps->sue_port;
6604 } else {
6605 stcb->asoc.port = encaps->sue_port;
6606 }
6607 SCTP_TCB_UNLOCK(stcb);
6608 } else {
6609 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6610 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6611 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6612 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) {
6613 SCTP_INP_WLOCK(inp);
6614 inp->sctp_ep.port = encaps->sue_port;
6615 SCTP_INP_WUNLOCK(inp);
6616 } else {
6617 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6618 error = EINVAL;
6619 }
6620 }
6621 break;
6622 }
6623 case SCTP_ECN_SUPPORTED:
6624 {
6625 struct sctp_assoc_value *av;
6626
6627 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6628 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6629
6630 if (stcb) {
6631 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6632 error = EINVAL;
6633 SCTP_TCB_UNLOCK(stcb);
6634 } else {
6635 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6636 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6637 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6638 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6639 SCTP_INP_WLOCK(inp);
6640 if (av->assoc_value == 0) {
6641 inp->ecn_supported = 0;
6642 } else {
6643 inp->ecn_supported = 1;
6644 }
6645 SCTP_INP_WUNLOCK(inp);
6646 } else {
6647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6648 error = EINVAL;
6649 }
6650 }
6651 break;
6652 }
6653 case SCTP_PR_SUPPORTED:
6654 {
6655 struct sctp_assoc_value *av;
6656
6657 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6658 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6659
6660 if (stcb) {
6661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6662 error = EINVAL;
6663 SCTP_TCB_UNLOCK(stcb);
6664 } else {
6665 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6666 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6667 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6668 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6669 SCTP_INP_WLOCK(inp);
6670 if (av->assoc_value == 0) {
6671 inp->prsctp_supported = 0;
6672 } else {
6673 inp->prsctp_supported = 1;
6674 }
6675 SCTP_INP_WUNLOCK(inp);
6676 } else {
6677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6678 error = EINVAL;
6679 }
6680 }
6681 break;
6682 }
6683 case SCTP_AUTH_SUPPORTED:
6684 {
6685 struct sctp_assoc_value *av;
6686
6687 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6688 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6689
6690 if (stcb) {
6691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6692 error = EINVAL;
6693 SCTP_TCB_UNLOCK(stcb);
6694 } else {
6695 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6696 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6697 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6698 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6699 if ((av->assoc_value == 0) &&
6700 (inp->asconf_supported == 1)) {
6701 /*
6702 * AUTH is required for
6703 * ASCONF
6704 */
6705 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6706 error = EINVAL;
6707 } else {
6708 SCTP_INP_WLOCK(inp);
6709 if (av->assoc_value == 0) {
6710 inp->auth_supported = 0;
6711 } else {
6712 inp->auth_supported = 1;
6713 }
6714 SCTP_INP_WUNLOCK(inp);
6715 }
6716 } else {
6717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6718 error = EINVAL;
6719 }
6720 }
6721 break;
6722 }
6723 case SCTP_ASCONF_SUPPORTED:
6724 {
6725 struct sctp_assoc_value *av;
6726
6727 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6728 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6729
6730 if (stcb) {
6731 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6732 error = EINVAL;
6733 SCTP_TCB_UNLOCK(stcb);
6734 } else {
6735 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6736 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6737 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6738 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6739 if ((av->assoc_value != 0) &&
6740 (inp->auth_supported == 0)) {
6741 /*
6742 * AUTH is required for
6743 * ASCONF
6744 */
6745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6746 error = EINVAL;
6747 } else {
6748 SCTP_INP_WLOCK(inp);
6749 if (av->assoc_value == 0) {
6750 inp->asconf_supported = 0;
6751 sctp_auth_delete_chunk(SCTP_ASCONF,
6752 inp->sctp_ep.local_auth_chunks);
6753 sctp_auth_delete_chunk(SCTP_ASCONF_ACK,
6754 inp->sctp_ep.local_auth_chunks);
6755 } else {
6756 inp->asconf_supported = 1;
6757 sctp_auth_add_chunk(SCTP_ASCONF,
6758 inp->sctp_ep.local_auth_chunks);
6759 sctp_auth_add_chunk(SCTP_ASCONF_ACK,
6760 inp->sctp_ep.local_auth_chunks);
6761 }
6762 SCTP_INP_WUNLOCK(inp);
6763 }
6764 } else {
6765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6766 error = EINVAL;
6767 }
6768 }
6769 break;
6770 }
6771 case SCTP_RECONFIG_SUPPORTED:
6772 {
6773 struct sctp_assoc_value *av;
6774
6775 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6776 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6777
6778 if (stcb) {
6779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6780 error = EINVAL;
6781 SCTP_TCB_UNLOCK(stcb);
6782 } else {
6783 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6784 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6785 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6786 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6787 SCTP_INP_WLOCK(inp);
6788 if (av->assoc_value == 0) {
6789 inp->reconfig_supported = 0;
6790 } else {
6791 inp->reconfig_supported = 1;
6792 }
6793 SCTP_INP_WUNLOCK(inp);
6794 } else {
6795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6796 error = EINVAL;
6797 }
6798 }
6799 break;
6800 }
6801 case SCTP_NRSACK_SUPPORTED:
6802 {
6803 struct sctp_assoc_value *av;
6804
6805 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6806 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6807
6808 if (stcb) {
6809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6810 error = EINVAL;
6811 SCTP_TCB_UNLOCK(stcb);
6812 } else {
6813 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6814 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6815 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6816 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6817 SCTP_INP_WLOCK(inp);
6818 if (av->assoc_value == 0) {
6819 inp->nrsack_supported = 0;
6820 } else {
6821 inp->nrsack_supported = 1;
6822 }
6823 SCTP_INP_WUNLOCK(inp);
6824 } else {
6825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6826 error = EINVAL;
6827 }
6828 }
6829 break;
6830 }
6831 case SCTP_PKTDROP_SUPPORTED:
6832 {
6833 struct sctp_assoc_value *av;
6834
6835 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6836 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6837
6838 if (stcb) {
6839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6840 error = EINVAL;
6841 SCTP_TCB_UNLOCK(stcb);
6842 } else {
6843 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6844 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6845 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6846 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6847 SCTP_INP_WLOCK(inp);
6848 if (av->assoc_value == 0) {
6849 inp->pktdrop_supported = 0;
6850 } else {
6851 inp->pktdrop_supported = 1;
6852 }
6853 SCTP_INP_WUNLOCK(inp);
6854 } else {
6855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6856 error = EINVAL;
6857 }
6858 }
6859 break;
6860 }
6861 case SCTP_MAX_CWND:
6862 {
6863 struct sctp_assoc_value *av;
6864 struct sctp_nets *net;
6865
6866 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6867 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6868
6869 if (stcb) {
6870 stcb->asoc.max_cwnd = av->assoc_value;
6871 if (stcb->asoc.max_cwnd > 0) {
6872 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6873 if ((net->cwnd > stcb->asoc.max_cwnd) &&
6874 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) {
6875 net->cwnd = stcb->asoc.max_cwnd;
6876 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) {
6877 net->cwnd = net->mtu - sizeof(struct sctphdr);
6878 }
6879 }
6880 }
6881 }
6882 SCTP_TCB_UNLOCK(stcb);
6883 } else {
6884 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6885 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6886 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) &&
6887 (av->assoc_id == SCTP_FUTURE_ASSOC))) {
6888 SCTP_INP_WLOCK(inp);
6889 inp->max_cwnd = av->assoc_value;
6890 SCTP_INP_WUNLOCK(inp);
6891 } else {
6892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6893 error = EINVAL;
6894 }
6895 }
6896 break;
6897 }
6898 default:
6899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
6900 error = ENOPROTOOPT;
6901 break;
6902 } /* end switch (opt) */
6903 return (error);
6904 }
6905
6906 int
6907 sctp_ctloutput(struct socket *so, struct sockopt *sopt)
6908 {
6909 void *optval = NULL;
6910 size_t optsize = 0;
6911 void *p;
6912 int error = 0;
6913 struct sctp_inpcb *inp;
6914
6915 if ((sopt->sopt_level == SOL_SOCKET) &&
6916 (sopt->sopt_name == SO_SETFIB)) {
6917 inp = (struct sctp_inpcb *)so->so_pcb;
6918 if (inp == NULL) {
6919 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
6920 return (EINVAL);
6921 }
6922 SCTP_INP_WLOCK(inp);
6923 inp->fibnum = so->so_fibnum;
6924 SCTP_INP_WUNLOCK(inp);
6925 return (0);
6926 }
6927 if (sopt->sopt_level != IPPROTO_SCTP) {
6928 /* wrong proto level... send back up to IP */
6929 #ifdef INET6
6930 if (INP_CHECK_SOCKAF(so, AF_INET6))
6931 error = ip6_ctloutput(so, sopt);
6932 #endif /* INET6 */
6933 #if defined(INET) && defined(INET6)
6934 else
6935 #endif
6936 #ifdef INET
6937 error = ip_ctloutput(so, sopt);
6938 #endif
6939 return (error);
6940 }
6941 optsize = sopt->sopt_valsize;
6942 if (optsize > SCTP_SOCKET_OPTION_LIMIT) {
6943 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
6944 return (ENOBUFS);
6945 }
6946 if (optsize) {
6947 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT);
6948 if (optval == NULL) {
6949 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
6950 return (ENOBUFS);
6951 }
6952 error = sooptcopyin(sopt, optval, optsize, optsize);
6953 if (error) {
6954 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6955 goto out;
6956 }
6957 }
6958 p = (void *)sopt->sopt_td;
6959 if (sopt->sopt_dir == SOPT_SET) {
6960 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p);
6961 } else if (sopt->sopt_dir == SOPT_GET) {
6962 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p);
6963 } else {
6964 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6965 error = EINVAL;
6966 }
6967 if ((error == 0) && (optval != NULL)) {
6968 error = sooptcopyout(sopt, optval, optsize);
6969 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6970 } else if (optval != NULL) {
6971 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6972 }
6973 out:
6974 return (error);
6975 }
6976
6977 #ifdef INET
6978 static int
6979 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
6980 {
6981 int error = 0;
6982 int create_lock_on = 0;
6983 uint32_t vrf_id;
6984 struct sctp_inpcb *inp;
6985 struct sctp_tcb *stcb = NULL;
6986
6987 inp = (struct sctp_inpcb *)so->so_pcb;
6988 if (inp == NULL) {
6989 /* I made the same as TCP since we are not setup? */
6990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6991 return (ECONNRESET);
6992 }
6993 if (addr == NULL) {
6994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6995 return EINVAL;
6996 }
6997
6998 switch (addr->sa_family) {
6999 #ifdef INET6
7000 case AF_INET6:
7001 {
7002 struct sockaddr_in6 *sin6p;
7003
7004 if (addr->sa_len != sizeof(struct sockaddr_in6)) {
7005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7006 return (EINVAL);
7007 }
7008 sin6p = (struct sockaddr_in6 *)addr;
7009 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) {
7010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
7011 return (error);
7012 }
7013 break;
7014 }
7015 #endif
7016 #ifdef INET
7017 case AF_INET:
7018 {
7019 struct sockaddr_in *sinp;
7020
7021 if (addr->sa_len != sizeof(struct sockaddr_in)) {
7022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7023 return (EINVAL);
7024 }
7025 sinp = (struct sockaddr_in *)addr;
7026 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) {
7027 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
7028 return (error);
7029 }
7030 break;
7031 }
7032 #endif
7033 default:
7034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
7035 return (EAFNOSUPPORT);
7036 }
7037 SCTP_INP_INCR_REF(inp);
7038 SCTP_ASOC_CREATE_LOCK(inp);
7039 create_lock_on = 1;
7040
7041
7042 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
7043 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
7044 /* Should I really unlock ? */
7045 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
7046 error = EFAULT;
7047 goto out_now;
7048 }
7049 #ifdef INET6
7050 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
7051 (addr->sa_family == AF_INET6)) {
7052 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7053 error = EINVAL;
7054 goto out_now;
7055 }
7056 #endif
7057 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
7058 SCTP_PCB_FLAGS_UNBOUND) {
7059 /* Bind a ephemeral port */
7060 error = sctp_inpcb_bind(so, NULL, NULL, p);
7061 if (error) {
7062 goto out_now;
7063 }
7064 }
7065 /* Now do we connect? */
7066 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
7067 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
7068 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7069 error = EINVAL;
7070 goto out_now;
7071 }
7072 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
7073 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
7074 /* We are already connected AND the TCP model */
7075 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
7076 error = EADDRINUSE;
7077 goto out_now;
7078 }
7079 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
7080 SCTP_INP_RLOCK(inp);
7081 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7082 SCTP_INP_RUNLOCK(inp);
7083 } else {
7084 /*
7085 * We increment here since sctp_findassociation_ep_addr()
7086 * will do a decrement if it finds the stcb as long as the
7087 * locked tcb (last argument) is NOT a TCB.. aka NULL.
7088 */
7089 SCTP_INP_INCR_REF(inp);
7090 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
7091 if (stcb == NULL) {
7092 SCTP_INP_DECR_REF(inp);
7093 } else {
7094 SCTP_TCB_UNLOCK(stcb);
7095 }
7096 }
7097 if (stcb != NULL) {
7098 /* Already have or am bring up an association */
7099 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
7100 error = EALREADY;
7101 goto out_now;
7102 }
7103
7104 vrf_id = inp->def_vrf_id;
7105 /* We are GOOD to go */
7106 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id,
7107 inp->sctp_ep.pre_open_stream_count,
7108 inp->sctp_ep.port, p,
7109 SCTP_INITIALIZE_AUTH_PARAMS);
7110 if (stcb == NULL) {
7111 /* Gak! no memory */
7112 goto out_now;
7113 }
7114 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
7115 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
7116 /* Set the connected flag so we can queue data */
7117 soisconnecting(so);
7118 }
7119 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT);
7120 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
7121
7122 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
7123 SCTP_TCB_UNLOCK(stcb);
7124 out_now:
7125 if (create_lock_on) {
7126 SCTP_ASOC_CREATE_UNLOCK(inp);
7127 }
7128
7129 SCTP_INP_DECR_REF(inp);
7130 return (error);
7131 }
7132 #endif
7133
7134 int
7135 sctp_listen(struct socket *so, int backlog, struct thread *p)
7136 {
7137 /*
7138 * Note this module depends on the protocol processing being called
7139 * AFTER any socket level flags and backlog are applied to the
7140 * socket. The traditional way that the socket flags are applied is
7141 * AFTER protocol processing. We have made a change to the
7142 * sys/kern/uipc_socket.c module to reverse this but this MUST be in
7143 * place if the socket API for SCTP is to work properly.
7144 */
7145
7146 int error = 0;
7147 struct sctp_inpcb *inp;
7148
7149 inp = (struct sctp_inpcb *)so->so_pcb;
7150 if (inp == NULL) {
7151 /* I made the same as TCP since we are not setup? */
7152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7153 return (ECONNRESET);
7154 }
7155 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) {
7156 /* See if we have a listener */
7157 struct sctp_inpcb *tinp;
7158 union sctp_sockstore store;
7159
7160 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
7161 /* not bound all */
7162 struct sctp_laddr *laddr;
7163
7164 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
7165 memcpy(&store, &laddr->ifa->address, sizeof(store));
7166 switch (store.sa.sa_family) {
7167 #ifdef INET
7168 case AF_INET:
7169 store.sin.sin_port = inp->sctp_lport;
7170 break;
7171 #endif
7172 #ifdef INET6
7173 case AF_INET6:
7174 store.sin6.sin6_port = inp->sctp_lport;
7175 break;
7176 #endif
7177 default:
7178 break;
7179 }
7180 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id);
7181 if (tinp && (tinp != inp) &&
7182 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
7183 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
7184 (tinp->sctp_socket->so_qlimit)) {
7185 /*
7186 * we have a listener already and
7187 * its not this inp.
7188 */
7189 SCTP_INP_DECR_REF(tinp);
7190 return (EADDRINUSE);
7191 } else if (tinp) {
7192 SCTP_INP_DECR_REF(tinp);
7193 }
7194 }
7195 } else {
7196 /* Setup a local addr bound all */
7197 memset(&store, 0, sizeof(store));
7198 #ifdef INET6
7199 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
7200 store.sa.sa_family = AF_INET6;
7201 store.sa.sa_len = sizeof(struct sockaddr_in6);
7202 }
7203 #endif
7204 #ifdef INET
7205 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {
7206 store.sa.sa_family = AF_INET;
7207 store.sa.sa_len = sizeof(struct sockaddr_in);
7208 }
7209 #endif
7210 switch (store.sa.sa_family) {
7211 #ifdef INET
7212 case AF_INET:
7213 store.sin.sin_port = inp->sctp_lport;
7214 break;
7215 #endif
7216 #ifdef INET6
7217 case AF_INET6:
7218 store.sin6.sin6_port = inp->sctp_lport;
7219 break;
7220 #endif
7221 default:
7222 break;
7223 }
7224 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id);
7225 if (tinp && (tinp != inp) &&
7226 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
7227 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
7228 (tinp->sctp_socket->so_qlimit)) {
7229 /*
7230 * we have a listener already and its not
7231 * this inp.
7232 */
7233 SCTP_INP_DECR_REF(tinp);
7234 return (EADDRINUSE);
7235 } else if (tinp) {
7236 SCTP_INP_DECR_REF(tinp);
7237 }
7238 }
7239 }
7240 SCTP_INP_RLOCK(inp);
7241 #ifdef SCTP_LOCK_LOGGING
7242 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) {
7243 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
7244 }
7245 #endif
7246 SOCK_LOCK(so);
7247 error = solisten_proto_check(so);
7248 SOCK_UNLOCK(so);
7249 if (error) {
7250 SCTP_INP_RUNLOCK(inp);
7251 return (error);
7252 }
7253 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&
7254 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
7255 /*
7256 * The unlucky case - We are in the tcp pool with this guy.
7257 * - Someone else is in the main inp slot. - We must move
7258 * this guy (the listener) to the main slot - We must then
7259 * move the guy that was listener to the TCP Pool.
7260 */
7261 if (sctp_swap_inpcb_for_listen(inp)) {
7262 SCTP_INP_RUNLOCK(inp);
7263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
7264 return (EADDRINUSE);
7265 }
7266 }
7267
7268 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
7269 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
7270 /* We are already connected AND the TCP model */
7271 SCTP_INP_RUNLOCK(inp);
7272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
7273 return (EADDRINUSE);
7274 }
7275 SCTP_INP_RUNLOCK(inp);
7276 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
7277 /* We must do a bind. */
7278 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) {
7279 /* bind error, probably perm */
7280 return (error);
7281 }
7282 }
7283 SOCK_LOCK(so);
7284 /* It appears for 7.0 and on, we must always call this. */
7285 solisten_proto(so, backlog);
7286 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
7287 /* remove the ACCEPTCONN flag for one-to-many sockets */
7288 so->so_options &= ~SO_ACCEPTCONN;
7289 }
7290 if (backlog == 0) {
7291 /* turning off listen */
7292 so->so_options &= ~SO_ACCEPTCONN;
7293 }
7294 SOCK_UNLOCK(so);
7295 return (error);
7296 }
7297
7298 static int sctp_defered_wakeup_cnt = 0;
7299
7300 int
7301 sctp_accept(struct socket *so, struct sockaddr **addr)
7302 {
7303 struct sctp_tcb *stcb;
7304 struct sctp_inpcb *inp;
7305 union sctp_sockstore store;
7306 #ifdef INET6
7307 int error;
7308 #endif
7309 inp = (struct sctp_inpcb *)so->so_pcb;
7310
7311 if (inp == NULL) {
7312 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7313 return (ECONNRESET);
7314 }
7315 SCTP_INP_WLOCK(inp);
7316 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
7317 SCTP_INP_WUNLOCK(inp);
7318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
7319 return (EOPNOTSUPP);
7320 }
7321 if (so->so_state & SS_ISDISCONNECTED) {
7322 SCTP_INP_WUNLOCK(inp);
7323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED);
7324 return (ECONNABORTED);
7325 }
7326 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7327 if (stcb == NULL) {
7328 SCTP_INP_WUNLOCK(inp);
7329 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7330 return (ECONNRESET);
7331 }
7332 SCTP_TCB_LOCK(stcb);
7333 store = stcb->asoc.primary_destination->ro._l_addr;
7334 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE);
7335 /* Wake any delayed sleep action */
7336 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
7337 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
7338 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
7339 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
7340 SOCKBUF_LOCK(&inp->sctp_socket->so_snd);
7341 if (sowriteable(inp->sctp_socket)) {
7342 sowwakeup_locked(inp->sctp_socket);
7343 } else {
7344 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd);
7345 }
7346 }
7347 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
7348 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
7349 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv);
7350 if (soreadable(inp->sctp_socket)) {
7351 sctp_defered_wakeup_cnt++;
7352 sorwakeup_locked(inp->sctp_socket);
7353 } else {
7354 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv);
7355 }
7356 }
7357 }
7358 SCTP_INP_WUNLOCK(inp);
7359 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
7360 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
7361 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19);
7362 } else {
7363 SCTP_TCB_UNLOCK(stcb);
7364 }
7365 switch (store.sa.sa_family) {
7366 #ifdef INET
7367 case AF_INET:
7368 {
7369 struct sockaddr_in *sin;
7370
7371 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7372 if (sin == NULL)
7373 return (ENOMEM);
7374 sin->sin_family = AF_INET;
7375 sin->sin_len = sizeof(*sin);
7376 sin->sin_port = store.sin.sin_port;
7377 sin->sin_addr = store.sin.sin_addr;
7378 *addr = (struct sockaddr *)sin;
7379 break;
7380 }
7381 #endif
7382 #ifdef INET6
7383 case AF_INET6:
7384 {
7385 struct sockaddr_in6 *sin6;
7386
7387 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
7388 if (sin6 == NULL)
7389 return (ENOMEM);
7390 sin6->sin6_family = AF_INET6;
7391 sin6->sin6_len = sizeof(*sin6);
7392 sin6->sin6_port = store.sin6.sin6_port;
7393 sin6->sin6_addr = store.sin6.sin6_addr;
7394 if ((error = sa6_recoverscope(sin6)) != 0) {
7395 SCTP_FREE_SONAME(sin6);
7396 return (error);
7397 }
7398 *addr = (struct sockaddr *)sin6;
7399 break;
7400 }
7401 #endif
7402 default:
7403 /* TSNH */
7404 break;
7405 }
7406 return (0);
7407 }
7408
7409 #ifdef INET
7410 int
7411 sctp_ingetaddr(struct socket *so, struct sockaddr **addr)
7412 {
7413 struct sockaddr_in *sin;
7414 uint32_t vrf_id;
7415 struct sctp_inpcb *inp;
7416 struct sctp_ifa *sctp_ifa;
7417
7418 /*
7419 * Do the malloc first in case it blocks.
7420 */
7421 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7422 if (sin == NULL)
7423 return (ENOMEM);
7424 sin->sin_family = AF_INET;
7425 sin->sin_len = sizeof(*sin);
7426 inp = (struct sctp_inpcb *)so->so_pcb;
7427 if (!inp) {
7428 SCTP_FREE_SONAME(sin);
7429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7430 return (ECONNRESET);
7431 }
7432 SCTP_INP_RLOCK(inp);
7433 sin->sin_port = inp->sctp_lport;
7434 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
7435 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
7436 struct sctp_tcb *stcb;
7437 struct sockaddr_in *sin_a;
7438 struct sctp_nets *net;
7439 int fnd;
7440
7441 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7442 if (stcb == NULL) {
7443 goto notConn;
7444 }
7445 fnd = 0;
7446 sin_a = NULL;
7447 SCTP_TCB_LOCK(stcb);
7448 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
7449 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
7450 if (sin_a == NULL)
7451 /* this will make coverity happy */
7452 continue;
7453
7454 if (sin_a->sin_family == AF_INET) {
7455 fnd = 1;
7456 break;
7457 }
7458 }
7459 if ((!fnd) || (sin_a == NULL)) {
7460 /* punt */
7461 SCTP_TCB_UNLOCK(stcb);
7462 goto notConn;
7463 }
7464
7465 vrf_id = inp->def_vrf_id;
7466 sctp_ifa = sctp_source_address_selection(inp,
7467 stcb,
7468 (sctp_route_t *)&net->ro,
7469 net, 0, vrf_id);
7470 if (sctp_ifa) {
7471 sin->sin_addr = sctp_ifa->address.sin.sin_addr;
7472 sctp_free_ifa(sctp_ifa);
7473 }
7474 SCTP_TCB_UNLOCK(stcb);
7475 } else {
7476 /* For the bound all case you get back 0 */
7477 notConn:
7478 sin->sin_addr.s_addr = 0;
7479 }
7480
7481 } else {
7482 /* Take the first IPv4 address in the list */
7483 struct sctp_laddr *laddr;
7484 int fnd = 0;
7485
7486 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
7487 if (laddr->ifa->address.sa.sa_family == AF_INET) {
7488 struct sockaddr_in *sin_a;
7489
7490 sin_a = &laddr->ifa->address.sin;
7491 sin->sin_addr = sin_a->sin_addr;
7492 fnd = 1;
7493 break;
7494 }
7495 }
7496 if (!fnd) {
7497 SCTP_FREE_SONAME(sin);
7498 SCTP_INP_RUNLOCK(inp);
7499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
7500 return (ENOENT);
7501 }
7502 }
7503 SCTP_INP_RUNLOCK(inp);
7504 (*addr) = (struct sockaddr *)sin;
7505 return (0);
7506 }
7507
7508 int
7509 sctp_peeraddr(struct socket *so, struct sockaddr **addr)
7510 {
7511 struct sockaddr_in *sin;
7512 int fnd;
7513 struct sockaddr_in *sin_a;
7514 struct sctp_inpcb *inp;
7515 struct sctp_tcb *stcb;
7516 struct sctp_nets *net;
7517
7518 /* Do the malloc first in case it blocks. */
7519 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7520 if (sin == NULL)
7521 return (ENOMEM);
7522 sin->sin_family = AF_INET;
7523 sin->sin_len = sizeof(*sin);
7524
7525 inp = (struct sctp_inpcb *)so->so_pcb;
7526 if ((inp == NULL) ||
7527 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
7528 /* UDP type and listeners will drop out here */
7529 SCTP_FREE_SONAME(sin);
7530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
7531 return (ENOTCONN);
7532 }
7533 SCTP_INP_RLOCK(inp);
7534 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7535 if (stcb) {
7536 SCTP_TCB_LOCK(stcb);
7537 }
7538 SCTP_INP_RUNLOCK(inp);
7539 if (stcb == NULL) {
7540 SCTP_FREE_SONAME(sin);
7541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7542 return (ECONNRESET);
7543 }
7544 fnd = 0;
7545 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
7546 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
7547 if (sin_a->sin_family == AF_INET) {
7548 fnd = 1;
7549 sin->sin_port = stcb->rport;
7550 sin->sin_addr = sin_a->sin_addr;
7551 break;
7552 }
7553 }
7554 SCTP_TCB_UNLOCK(stcb);
7555 if (!fnd) {
7556 /* No IPv4 address */
7557 SCTP_FREE_SONAME(sin);
7558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
7559 return (ENOENT);
7560 }
7561 (*addr) = (struct sockaddr *)sin;
7562 return (0);
7563 }
7564
7565 struct pr_usrreqs sctp_usrreqs = {
7566 .pru_abort = sctp_abort,
7567 .pru_accept = sctp_accept,
7568 .pru_attach = sctp_attach,
7569 .pru_bind = sctp_bind,
7570 .pru_connect = sctp_connect,
7571 .pru_control = in_control,
7572 .pru_close = sctp_close,
7573 .pru_detach = sctp_close,
7574 .pru_sopoll = sopoll_generic,
7575 .pru_flush = sctp_flush,
7576 .pru_disconnect = sctp_disconnect,
7577 .pru_listen = sctp_listen,
7578 .pru_peeraddr = sctp_peeraddr,
7579 .pru_send = sctp_sendm,
7580 .pru_shutdown = sctp_shutdown,
7581 .pru_sockaddr = sctp_ingetaddr,
7582 .pru_sosend = sctp_sosend,
7583 .pru_soreceive = sctp_soreceive
7584 };
7585 #endif
Cache object: fbdc61d93356c8a883676afb1c2124a8
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