netwerk/sctp/src/netinet/sctp_usrreq.c@6474c204b198
netwerk/sctp/src/netinet/sctp_usrreq.c
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rwxr-xr-x
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
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 */
33 #ifdef __FreeBSD__
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD: head/sys/netinet/sctp_usrreq.c 259943 2013-12-27 13:07:00Z tuexen $");
36 #endif
38 #include <netinet/sctp_os.h>
39 #ifdef __FreeBSD__
40 #include <sys/proc.h>
41 #endif
42 #include <netinet/sctp_pcb.h>
43 #include <netinet/sctp_header.h>
44 #include <netinet/sctp_var.h>
45 #ifdef INET6
46 #if defined(__Userspace_os_FreeBSD)
47 #include <netinet6/sctp6_var.h>
48 #endif
49 #endif
50 #include <netinet/sctp_sysctl.h>
51 #include <netinet/sctp_output.h>
52 #include <netinet/sctp_uio.h>
53 #include <netinet/sctp_asconf.h>
54 #include <netinet/sctputil.h>
55 #include <netinet/sctp_indata.h>
56 #include <netinet/sctp_timer.h>
57 #include <netinet/sctp_auth.h>
58 #include <netinet/sctp_bsd_addr.h>
59 #if defined(__Userspace__)
60 #include <netinet/sctp_callout.h>
61 #endif
62 #if !defined(__Userspace_os_Windows)
63 #include <netinet/udp.h>
64 #endif
66 #if defined(HAVE_SCTP_PEELOFF_SOCKOPT)
67 #include <netinet/sctp_peeloff.h>
68 #endif /* HAVE_SCTP_PEELOFF_SOCKOPT */
70 #if defined(__APPLE__)
71 #define APPLE_FILE_NO 7
72 #endif
74 extern struct sctp_cc_functions sctp_cc_functions[];
75 extern struct sctp_ss_functions sctp_ss_functions[];
77 void
78 #if defined(__Userspace__)
79 sctp_init(uint16_t port,
80 int (*conn_output)(void *addr, void *buffer, size_t length, uint8_t tos, uint8_t set_df),
81 void (*debug_printf)(const char *format, ...))
82 #elif defined(__APPLE__) && (!defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) &&!defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION))
83 sctp_init(struct protosw *pp SCTP_UNUSED, struct domain *dp SCTP_UNUSED)
84 #else
85 sctp_init(void)
86 #endif
87 {
88 #if !defined(__Panda__) && !defined(__Userspace__)
89 u_long sb_max_adj;
91 #endif
92 #if defined(__Userspace__)
93 #if defined(__Userspace_os_Windows)
94 #if defined(INET) || defined(INET6)
95 WSADATA wsaData;
97 if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
98 SCTP_PRINTF("WSAStartup failed\n");
99 exit (-1);
100 }
101 #endif
102 InitializeConditionVariable(&accept_cond);
103 InitializeCriticalSection(&accept_mtx);
104 #else
105 pthread_cond_init(&accept_cond, NULL);
106 pthread_mutex_init(&accept_mtx, NULL);
107 #endif
108 #endif
109 /* Initialize and modify the sysctled variables */
110 sctp_init_sysctls();
111 #if defined(__Userspace__)
112 #if defined(__Userspace_os_Windows)
113 srand((unsigned int)time(NULL));
114 #else
115 srandom(getpid()); /* so inp->sctp_ep.random_numbers are truly random... */
116 #endif
117 #endif
118 #if defined(__Panda__)
119 sctp_sendspace = SB_MAX;
120 sctp_recvspace = SB_MAX;
122 #elif defined(__Userspace__)
123 SCTP_BASE_SYSCTL(sctp_sendspace) = SB_MAX;
124 SCTP_BASE_SYSCTL(sctp_recvspace) = SB_RAW;
125 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = port;
126 #else
127 #if !defined(__APPLE__)
128 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
129 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8);
130 #endif
131 /*
132 * Allow a user to take no more than 1/2 the number of clusters or
133 * the SB_MAX whichever is smaller for the send window.
134 */
135 #if defined(__APPLE__)
136 sb_max_adj = (u_long)((u_quad_t) (sb_max) * MCLBYTES / (MSIZE + MCLBYTES));
137 #else
138 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES));
139 #endif
140 #if defined(__APPLE__)
141 SCTP_BASE_SYSCTL(sctp_sendspace) = sb_max_adj;
142 #else
143 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj,
144 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT));
145 #endif
146 /*
147 * Now for the recv window, should we take the same amount? or
148 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For
149 * now I will just copy.
150 */
151 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace);
152 #endif
153 SCTP_BASE_VAR(first_time) = 0;
154 SCTP_BASE_VAR(sctp_pcb_initialized) = 0;
155 #if defined(__Userspace__)
156 #if !defined(__Userspace_os_Windows)
157 #if defined(INET) || defined(INET6)
158 SCTP_BASE_VAR(userspace_route) = -1;
159 #endif
160 #endif
161 #ifdef INET
162 SCTP_BASE_VAR(userspace_rawsctp) = -1;
163 SCTP_BASE_VAR(userspace_udpsctp) = -1;
164 #endif
165 #ifdef INET6
166 SCTP_BASE_VAR(userspace_rawsctp6) = -1;
167 SCTP_BASE_VAR(userspace_udpsctp6) = -1;
168 #endif
169 SCTP_BASE_VAR(timer_thread_should_exit) = 0;
170 SCTP_BASE_VAR(conn_output) = conn_output;
171 SCTP_BASE_VAR(debug_printf) = debug_printf;
172 #endif
173 sctp_pcb_init();
174 #if defined(__Userspace__)
175 sctp_start_timer();
176 #endif
177 #if defined(SCTP_PACKET_LOGGING)
178 SCTP_BASE_VAR(packet_log_writers) = 0;
179 SCTP_BASE_VAR(packet_log_end) = 0;
180 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE);
181 #endif
182 #if defined(__APPLE__)
183 SCTP_BASE_VAR(sctp_main_timer_ticks) = 0;
184 sctp_start_main_timer();
185 timeout(sctp_delayed_startup, NULL, 1);
186 #endif
187 }
189 void
190 sctp_finish(void)
191 {
192 #if defined(__APPLE__)
193 untimeout(sctp_delayed_startup, NULL);
194 sctp_over_udp_stop();
195 sctp_address_monitor_stop();
196 sctp_stop_main_timer();
197 #endif
198 #if defined(__Userspace__)
199 #if defined(INET) || defined(INET6)
200 recv_thread_destroy();
201 #endif
202 #if !defined(__Userspace_os_Windows)
203 #if defined(INET) || defined(INET6)
204 if (SCTP_BASE_VAR(userspace_route) != -1) {
205 pthread_join(SCTP_BASE_VAR(recvthreadroute), NULL);
206 }
207 #endif
208 #endif
209 #ifdef INET
210 if (SCTP_BASE_VAR(userspace_rawsctp) != -1) {
211 #if defined(__Userspace_os_Windows)
212 WaitForSingleObject(SCTP_BASE_VAR(recvthreadraw), INFINITE);
213 CloseHandle(SCTP_BASE_VAR(recvthreadraw));
214 #else
215 pthread_join(SCTP_BASE_VAR(recvthreadraw), NULL);
216 #endif
217 }
218 if (SCTP_BASE_VAR(userspace_udpsctp) != -1) {
219 #if defined(__Userspace_os_Windows)
220 WaitForSingleObject(SCTP_BASE_VAR(recvthreadudp), INFINITE);
221 CloseHandle(SCTP_BASE_VAR(recvthreadudp));
222 #else
223 pthread_join(SCTP_BASE_VAR(recvthreadudp), NULL);
224 #endif
225 }
226 #endif
227 #ifdef INET6
228 if (SCTP_BASE_VAR(userspace_rawsctp6) != -1) {
229 #if defined(__Userspace_os_Windows)
230 WaitForSingleObject(SCTP_BASE_VAR(recvthreadraw6), INFINITE);
231 CloseHandle(SCTP_BASE_VAR(recvthreadraw6));
232 #else
233 pthread_join(SCTP_BASE_VAR(recvthreadraw6), NULL);
234 #endif
235 }
236 if (SCTP_BASE_VAR(userspace_udpsctp6) != -1) {
237 #if defined(__Userspace_os_Windows)
238 WaitForSingleObject(SCTP_BASE_VAR(recvthreadudp6), INFINITE);
239 CloseHandle(SCTP_BASE_VAR(recvthreadudp6));
240 #else
241 pthread_join(SCTP_BASE_VAR(recvthreadudp6), NULL);
242 #endif
243 }
244 #endif
245 SCTP_BASE_VAR(timer_thread_should_exit) = 1;
246 #if defined(__Userspace_os_Windows)
247 WaitForSingleObject(SCTP_BASE_VAR(timer_thread), INFINITE);
248 CloseHandle(SCTP_BASE_VAR(timer_thread));
249 #else
250 pthread_join(SCTP_BASE_VAR(timer_thread), NULL);
251 #endif
252 #endif
253 sctp_pcb_finish();
254 #if defined(__Userspace__)
255 #if defined(__Userspace_os_Windows)
256 DeleteConditionVariable(&accept_cond);
257 DeleteCriticalSection(&accept_mtx);
258 #else
259 pthread_cond_destroy(&accept_cond);
260 pthread_mutex_destroy(&accept_mtx);
261 #endif
262 #endif
263 #if defined(__Windows__)
264 sctp_finish_sysctls();
265 #if defined(INET) || defined(INET6)
266 WSACleanup();
267 #endif
268 #endif
269 }
273 void
274 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz)
275 {
276 struct sctp_tmit_chunk *chk;
277 uint16_t overhead;
279 /* Adjust that too */
280 stcb->asoc.smallest_mtu = nxtsz;
281 /* now off to subtract IP_DF flag if needed */
282 overhead = IP_HDR_SIZE;
283 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) {
284 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id);
285 }
286 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) {
287 if ((chk->send_size + overhead) > nxtsz) {
288 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
289 }
290 }
291 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) {
292 if ((chk->send_size + overhead) > nxtsz) {
293 /*
294 * For this guy we also mark for immediate resend
295 * since we sent to big of chunk
296 */
297 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
298 if (chk->sent < SCTP_DATAGRAM_RESEND) {
299 sctp_flight_size_decrease(chk);
300 sctp_total_flight_decrease(stcb, chk);
301 }
302 if (chk->sent != SCTP_DATAGRAM_RESEND) {
303 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
304 }
305 chk->sent = SCTP_DATAGRAM_RESEND;
306 chk->rec.data.doing_fast_retransmit = 0;
307 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) {
308 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
309 chk->whoTo->flight_size,
310 chk->book_size,
311 (uintptr_t)chk->whoTo,
312 chk->rec.data.TSN_seq);
313 }
314 /* Clear any time so NO RTT is being done */
315 chk->do_rtt = 0;
316 }
317 }
318 }
320 #ifdef INET
321 #if !defined(__Userspace__)
322 #if defined(__Panda__) || defined(__Windows__)
323 void
324 #else
325 static void
326 #endif
327 sctp_notify_mbuf(struct sctp_inpcb *inp,
328 struct sctp_tcb *stcb,
329 struct sctp_nets *net,
330 struct ip *ip,
331 struct sctphdr *sh)
332 {
333 struct icmp *icmph;
334 int totsz, tmr_stopped = 0;
335 uint16_t nxtsz;
337 /* protection */
338 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
339 (ip == NULL) || (sh == NULL)) {
340 if (stcb != NULL) {
341 SCTP_TCB_UNLOCK(stcb);
342 }
343 return;
344 }
345 /* First job is to verify the vtag matches what I would send */
346 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
347 SCTP_TCB_UNLOCK(stcb);
348 return;
349 }
350 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
351 sizeof(struct ip)));
352 if (icmph->icmp_type != ICMP_UNREACH) {
353 /* We only care about unreachable */
354 SCTP_TCB_UNLOCK(stcb);
355 return;
356 }
357 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) {
358 /* not a unreachable message due to frag. */
359 SCTP_TCB_UNLOCK(stcb);
360 return;
361 }
362 #if defined(__FreeBSD__) && __FreeBSD_version >= 1000000
363 totsz = ntohs(ip->ip_len);
364 #else
365 totsz = ip->ip_len;
366 #endif
368 nxtsz = ntohs(icmph->icmp_nextmtu);
369 if (nxtsz == 0) {
370 /*
371 * old type router that does not tell us what the next size
372 * mtu is. Rats we will have to guess (in a educated fashion
373 * of course)
374 */
375 nxtsz = sctp_get_prev_mtu(totsz);
376 }
377 /* Stop any PMTU timer */
378 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
379 tmr_stopped = 1;
380 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
381 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_1);
382 }
383 /* Adjust destination size limit */
384 if (net->mtu > nxtsz) {
385 net->mtu = nxtsz;
386 if (net->port) {
387 net->mtu -= sizeof(struct udphdr);
388 }
389 }
390 /* now what about the ep? */
391 if (stcb->asoc.smallest_mtu > nxtsz) {
392 sctp_pathmtu_adjustment(stcb, nxtsz);
393 }
394 if (tmr_stopped)
395 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
397 SCTP_TCB_UNLOCK(stcb);
398 }
399 #endif
400 #endif
402 void
403 sctp_notify(struct sctp_inpcb *inp,
404 struct ip *ip,
405 struct sctphdr *sh,
406 struct sockaddr *to,
407 struct sctp_tcb *stcb,
408 struct sctp_nets *net)
409 {
410 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
411 struct socket *so;
413 #endif
414 struct icmp *icmph;
416 /* protection */
417 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
418 (sh == NULL) || (to == NULL)) {
419 if (stcb)
420 SCTP_TCB_UNLOCK(stcb);
421 return;
422 }
423 /* First job is to verify the vtag matches what I would send */
424 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
425 SCTP_TCB_UNLOCK(stcb);
426 return;
427 }
429 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
430 sizeof(struct ip)));
431 if (icmph->icmp_type != ICMP_UNREACH) {
432 /* We only care about unreachable */
433 SCTP_TCB_UNLOCK(stcb);
434 return;
435 }
436 if ((icmph->icmp_code == ICMP_UNREACH_NET) ||
437 (icmph->icmp_code == ICMP_UNREACH_HOST) ||
438 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) ||
439 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) ||
440 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) ||
441 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) ||
442 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) ||
443 #if defined(__Panda__)
444 (icmph->icmp_code == ICMP_UNREACH_ADMIN)) {
445 #elif defined(__Userspace_os_NetBSD)
446 (icmph->icmp_code == ICMP_UNREACH_ADMIN_PROHIBIT)) {
447 #else
448 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) {
449 #endif
451 /*
452 * Hmm reachablity problems we must examine closely. If its
453 * not reachable, we may have lost a network. Or if there is
454 * NO protocol at the other end named SCTP. well we consider
455 * it a OOTB abort.
456 */
457 if (net->dest_state & SCTP_ADDR_REACHABLE) {
458 /* Ok that destination is NOT reachable */
459 net->dest_state &= ~SCTP_ADDR_REACHABLE;
460 net->dest_state &= ~SCTP_ADDR_PF;
461 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN,
462 stcb, 0,
463 (void *)net, SCTP_SO_NOT_LOCKED);
464 }
465 SCTP_TCB_UNLOCK(stcb);
466 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) ||
467 (icmph->icmp_code == ICMP_UNREACH_PORT)) {
468 /*
469 * Here the peer is either playing tricks on us,
470 * including an address that belongs to someone who
471 * does not support SCTP OR was a userland
472 * implementation that shutdown and now is dead. In
473 * either case treat it like a OOTB abort with no
474 * TCB
475 */
476 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED);
477 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
478 so = SCTP_INP_SO(inp);
479 atomic_add_int(&stcb->asoc.refcnt, 1);
480 SCTP_TCB_UNLOCK(stcb);
481 SCTP_SOCKET_LOCK(so, 1);
482 SCTP_TCB_LOCK(stcb);
483 atomic_subtract_int(&stcb->asoc.refcnt, 1);
484 #endif
485 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_2);
486 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
487 SCTP_SOCKET_UNLOCK(so, 1);
488 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed.*/
489 #endif
490 /* no need to unlock here, since the TCB is gone */
491 } else {
492 SCTP_TCB_UNLOCK(stcb);
493 }
494 }
496 #ifdef INET
497 #if !defined(__Panda__) && !defined(__Userspace__)
498 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
499 void
500 #else
501 void *
502 #endif
503 sctp_ctlinput(cmd, sa, vip)
504 int cmd;
505 struct sockaddr *sa;
506 void *vip;
507 {
508 struct ip *ip = vip;
509 struct sctphdr *sh;
510 uint32_t vrf_id;
511 /* FIX, for non-bsd is this right? */
512 vrf_id = SCTP_DEFAULT_VRFID;
513 if (sa->sa_family != AF_INET ||
514 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) {
515 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
516 return;
517 #else
518 return (NULL);
519 #endif
520 }
521 if (PRC_IS_REDIRECT(cmd)) {
522 ip = 0;
523 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) {
524 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
525 return;
526 #else
527 return (NULL);
528 #endif
529 }
530 if (ip) {
531 struct sctp_inpcb *inp = NULL;
532 struct sctp_tcb *stcb = NULL;
533 struct sctp_nets *net = NULL;
534 struct sockaddr_in to, from;
536 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));
537 bzero(&to, sizeof(to));
538 bzero(&from, sizeof(from));
539 from.sin_family = to.sin_family = AF_INET;
540 #ifdef HAVE_SIN_LEN
541 from.sin_len = to.sin_len = sizeof(to);
542 #endif
543 from.sin_port = sh->src_port;
544 from.sin_addr = ip->ip_src;
545 to.sin_port = sh->dest_port;
546 to.sin_addr = ip->ip_dst;
548 /*
549 * 'to' holds the dest of the packet that failed to be sent.
550 * 'from' holds our local endpoint address. Thus we reverse
551 * the to and the from in the lookup.
552 */
553 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to,
554 (struct sockaddr *)&from,
555 &inp, &net, 1, vrf_id);
556 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) {
557 if (cmd != PRC_MSGSIZE) {
558 sctp_notify(inp, ip, sh,
559 (struct sockaddr *)&to, stcb,
560 net);
561 } else {
562 /* handle possible ICMP size messages */
563 sctp_notify_mbuf(inp, stcb, net, ip, sh);
564 }
565 } else {
566 #if defined(__FreeBSD__) && __FreeBSD_version < 500000
567 /*
568 * XXX must be fixed for 5.x and higher, leave for
569 * 4.x
570 */
571 if (PRC_IS_REDIRECT(cmd) && inp) {
572 in_rtchange((struct inpcb *)inp,
573 inetctlerrmap[cmd]);
574 }
575 #endif
576 if ((stcb == NULL) && (inp != NULL)) {
577 /* reduce ref-count */
578 SCTP_INP_WLOCK(inp);
579 SCTP_INP_DECR_REF(inp);
580 SCTP_INP_WUNLOCK(inp);
581 }
582 if (stcb) {
583 SCTP_TCB_UNLOCK(stcb);
584 }
585 }
586 }
587 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
588 return;
589 #else
590 return (NULL);
591 #endif
592 }
593 #endif
594 #endif
596 #if defined(__FreeBSD__)
597 static int
598 sctp_getcred(SYSCTL_HANDLER_ARGS)
599 {
600 struct xucred xuc;
601 struct sockaddr_in addrs[2];
602 struct sctp_inpcb *inp;
603 struct sctp_nets *net;
604 struct sctp_tcb *stcb;
605 int error;
606 uint32_t vrf_id;
608 /* FIX, for non-bsd is this right? */
609 vrf_id = SCTP_DEFAULT_VRFID;
611 #if __FreeBSD_version > 602000
612 error = priv_check(req->td, PRIV_NETINET_GETCRED);
614 #elif __FreeBSD_version >= 500000
615 error = suser(req->td);
616 #else
617 error = suser(req->p);
618 #endif
619 if (error)
620 return (error);
622 error = SYSCTL_IN(req, addrs, sizeof(addrs));
623 if (error)
624 return (error);
626 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]),
627 sintosa(&addrs[0]),
628 &inp, &net, 1, vrf_id);
629 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
630 if ((inp != NULL) && (stcb == NULL)) {
631 /* reduce ref-count */
632 SCTP_INP_WLOCK(inp);
633 SCTP_INP_DECR_REF(inp);
634 goto cred_can_cont;
635 }
637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
638 error = ENOENT;
639 goto out;
640 }
641 SCTP_TCB_UNLOCK(stcb);
642 /* We use the write lock here, only
643 * since in the error leg we need it.
644 * If we used RLOCK, then we would have
645 * to wlock/decr/unlock/rlock. Which
646 * in theory could create a hole. Better
647 * to use higher wlock.
648 */
649 SCTP_INP_WLOCK(inp);
650 cred_can_cont:
651 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket);
652 if (error) {
653 SCTP_INP_WUNLOCK(inp);
654 goto out;
655 }
656 cru2x(inp->sctp_socket->so_cred, &xuc);
657 SCTP_INP_WUNLOCK(inp);
658 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred));
659 out:
660 return (error);
661 }
663 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW,
664 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection");
665 #endif /* #if defined(__FreeBSD__) */
668 #ifdef INET
669 #if defined(__Panda__) || defined(__Windows__) || defined(__Userspace__)
670 int
671 #elif defined(__FreeBSD__) && __FreeBSD_version > 690000
672 static void
673 #else
674 static int
675 #endif
676 sctp_abort(struct socket *so)
677 {
678 struct sctp_inpcb *inp;
679 uint32_t flags;
681 inp = (struct sctp_inpcb *)so->so_pcb;
682 if (inp == NULL) {
683 #if defined(__FreeBSD__) && __FreeBSD_version > 690000
684 return;
685 #else
686 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
687 return (EINVAL);
688 #endif
689 }
691 sctp_must_try_again:
692 flags = inp->sctp_flags;
693 #ifdef SCTP_LOG_CLOSING
694 sctp_log_closing(inp, NULL, 17);
695 #endif
696 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
697 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
698 #ifdef SCTP_LOG_CLOSING
699 sctp_log_closing(inp, NULL, 16);
700 #endif
701 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
702 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
703 SOCK_LOCK(so);
704 SCTP_SB_CLEAR(so->so_snd);
705 /* same for the rcv ones, they are only
706 * here for the accounting/select.
707 */
708 SCTP_SB_CLEAR(so->so_rcv);
710 #if defined(__APPLE__)
711 so->so_usecount--;
712 #else
713 /* Now null out the reference, we are completely detached. */
714 so->so_pcb = NULL;
715 #endif
716 SOCK_UNLOCK(so);
717 } else {
718 flags = inp->sctp_flags;
719 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
720 goto sctp_must_try_again;
721 }
722 }
723 #if defined(__FreeBSD__) && __FreeBSD_version > 690000
724 return;
725 #else
726 return (0);
727 #endif
728 }
730 #if defined(__Panda__) || defined(__Userspace__)
731 int
732 #else
733 static int
734 #endif
735 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
736 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED)
737 #elif defined(__Panda__) || defined(__Userspace__)
738 sctp_attach(struct socket *so, int proto SCTP_UNUSED, uint32_t vrf_id)
739 #elif defined(__Windows__)
740 sctp_attach(struct socket *so, int proto SCTP_UNUSED, PKTHREAD p SCTP_UNUSED)
741 #else
742 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct proc *p SCTP_UNUSED)
743 #endif
744 {
745 struct sctp_inpcb *inp;
746 struct inpcb *ip_inp;
747 int error;
748 #if !defined(__Panda__) && !defined(__Userspace__)
749 uint32_t vrf_id = SCTP_DEFAULT_VRFID;
750 #endif
751 #ifdef IPSEC
752 uint32_t flags;
753 #endif
755 inp = (struct sctp_inpcb *)so->so_pcb;
756 if (inp != 0) {
757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
758 return (EINVAL);
759 }
760 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
761 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace));
762 if (error) {
763 return (error);
764 }
765 }
766 error = sctp_inpcb_alloc(so, vrf_id);
767 if (error) {
768 return (error);
769 }
770 inp = (struct sctp_inpcb *)so->so_pcb;
771 SCTP_INP_WLOCK(inp);
772 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */
773 ip_inp = &inp->ip_inp.inp;
774 ip_inp->inp_vflag |= INP_IPV4;
775 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl);
776 #ifdef IPSEC
777 #if !(defined(__APPLE__))
778 error = ipsec_init_policy(so, &ip_inp->inp_sp);
779 #ifdef SCTP_LOG_CLOSING
780 sctp_log_closing(inp, NULL, 17);
781 #endif
782 if (error != 0) {
783 try_again:
784 flags = inp->sctp_flags;
785 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
786 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
787 #ifdef SCTP_LOG_CLOSING
788 sctp_log_closing(inp, NULL, 15);
789 #endif
790 SCTP_INP_WUNLOCK(inp);
791 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
792 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
793 } else {
794 flags = inp->sctp_flags;
795 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
796 goto try_again;
797 } else {
798 SCTP_INP_WUNLOCK(inp);
799 }
800 }
801 return (error);
802 }
803 #endif
804 #endif /* IPSEC */
805 SCTP_INP_WUNLOCK(inp);
806 return (0);
807 }
809 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
810 static int
811 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p)
812 {
813 #elif defined(__FreeBSD__) || defined(__APPLE__)
814 static int
815 sctp_bind(struct socket *so, struct sockaddr *addr, struct proc *p) {
816 #elif defined(__Panda__) || defined(__Userspace__)
817 int
818 sctp_bind(struct socket *so, struct sockaddr *addr) {
819 void *p = NULL;
820 #elif defined(__Windows__)
821 static int
822 sctp_bind(struct socket *so, struct sockaddr *addr, PKTHREAD p) {
823 #else
824 static int
825 sctp_bind(struct socket *so, struct mbuf *nam, struct proc *p)
826 {
827 struct sockaddr *addr = nam ? mtod(nam, struct sockaddr *): NULL;
829 #endif
830 struct sctp_inpcb *inp;
832 inp = (struct sctp_inpcb *)so->so_pcb;
833 if (inp == NULL) {
834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
835 return (EINVAL);
836 }
837 if (addr != NULL) {
838 #ifdef HAVE_SA_LEN
839 if ((addr->sa_family != AF_INET) ||
840 (addr->sa_len != sizeof(struct sockaddr_in))) {
841 #else
842 if (addr->sa_family != AF_INET) {
843 #endif
844 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
845 return (EINVAL);
846 }
847 }
848 return (sctp_inpcb_bind(so, addr, NULL, p));
849 }
851 #endif
852 #if defined(__Userspace__)
854 int
855 sctpconn_attach(struct socket *so, int proto SCTP_UNUSED, uint32_t vrf_id)
856 {
857 struct sctp_inpcb *inp;
858 struct inpcb *ip_inp;
859 int error;
861 inp = (struct sctp_inpcb *)so->so_pcb;
862 if (inp != NULL) {
863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
864 return (EINVAL);
865 }
866 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
867 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace));
868 if (error) {
869 return (error);
870 }
871 }
872 error = sctp_inpcb_alloc(so, vrf_id);
873 if (error) {
874 return (error);
875 }
876 inp = (struct sctp_inpcb *)so->so_pcb;
877 SCTP_INP_WLOCK(inp);
878 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6;
879 inp->sctp_flags |= SCTP_PCB_FLAGS_BOUND_CONN;
880 ip_inp = &inp->ip_inp.inp;
881 ip_inp->inp_vflag |= INP_CONN;
882 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl);
883 SCTP_INP_WUNLOCK(inp);
884 return (0);
885 }
887 int
888 sctpconn_bind(struct socket *so, struct sockaddr *addr)
889 {
890 struct sctp_inpcb *inp;
892 inp = (struct sctp_inpcb *)so->so_pcb;
893 if (inp == NULL) {
894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
895 return (EINVAL);
896 }
897 if (addr != NULL) {
898 #ifdef HAVE_SA_LEN
899 if ((addr->sa_family != AF_CONN) ||
900 (addr->sa_len != sizeof(struct sockaddr_conn))) {
901 #else
902 if (addr->sa_family != AF_CONN) {
903 #endif
904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
905 return (EINVAL);
906 }
907 }
908 return (sctp_inpcb_bind(so, addr, NULL, NULL));
909 }
911 #endif
912 #if (defined(__FreeBSD__) && __FreeBSD_version > 690000) || defined(__Windows__) || defined(__Userspace__)
913 void
914 sctp_close(struct socket *so)
915 {
916 struct sctp_inpcb *inp;
917 uint32_t flags;
919 inp = (struct sctp_inpcb *)so->so_pcb;
920 if (inp == NULL)
921 return;
923 /* Inform all the lower layer assoc that we
924 * are done.
925 */
926 sctp_must_try_again:
927 flags = inp->sctp_flags;
928 #ifdef SCTP_LOG_CLOSING
929 sctp_log_closing(inp, NULL, 17);
930 #endif
931 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
932 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
933 #if defined(__Userspace__)
934 if (((so->so_options & SCTP_SO_LINGER) && (so->so_linger == 0)) ||
935 (so->so_rcv.sb_cc > 0)) {
936 #else
937 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
938 (so->so_rcv.sb_cc > 0)) {
939 #endif
940 #ifdef SCTP_LOG_CLOSING
941 sctp_log_closing(inp, NULL, 13);
942 #endif
943 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
944 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
945 } else {
946 #ifdef SCTP_LOG_CLOSING
947 sctp_log_closing(inp, NULL, 14);
948 #endif
949 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,
950 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
951 }
952 /* The socket is now detached, no matter what
953 * the state of the SCTP association.
954 */
955 SOCK_LOCK(so);
956 SCTP_SB_CLEAR(so->so_snd);
957 /* same for the rcv ones, they are only
958 * here for the accounting/select.
959 */
960 SCTP_SB_CLEAR(so->so_rcv);
962 #if !defined(__APPLE__)
963 /* Now null out the reference, we are completely detached. */
964 so->so_pcb = NULL;
965 #endif
966 SOCK_UNLOCK(so);
967 } else {
968 flags = inp->sctp_flags;
969 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
970 goto sctp_must_try_again;
971 }
972 }
973 return;
974 }
976 #else
979 int
980 sctp_detach(struct socket *so)
981 {
982 struct sctp_inpcb *inp;
983 uint32_t flags;
985 inp = (struct sctp_inpcb *)so->so_pcb;
986 if (inp == NULL) {
987 #if defined(__FreeBSD__) && __FreeBSD_version > 690000
988 return;
989 #else
990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
991 return (EINVAL);
992 #endif
993 }
994 sctp_must_try_again:
995 flags = inp->sctp_flags;
996 #ifdef SCTP_LOG_CLOSING
997 sctp_log_closing(inp, NULL, 17);
998 #endif
999 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
1000 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
1001 #if defined(__Userspace__)
1002 if (((so->so_options & SCTP_SO_LINGER) && (so->so_linger == 0)) ||
1003 (so->so_rcv.sb_cc > 0)) {
1004 #else
1005 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
1006 (so->so_rcv.sb_cc > 0)) {
1007 #endif
1008 #ifdef SCTP_LOG_CLOSING
1009 sctp_log_closing(inp, NULL, 13);
1010 #endif
1011 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
1012 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
1013 } else {
1014 #ifdef SCTP_LOG_CLOSING
1015 sctp_log_closing(inp, NULL, 13);
1016 #endif
1017 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,
1018 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
1019 }
1020 /* The socket is now detached, no matter what
1021 * the state of the SCTP association.
1022 */
1023 SCTP_SB_CLEAR(so->so_snd);
1024 /* same for the rcv ones, they are only
1025 * here for the accounting/select.
1026 */
1027 SCTP_SB_CLEAR(so->so_rcv);
1028 #if !defined(__APPLE__)
1029 /* Now disconnect */
1030 so->so_pcb = NULL;
1031 #endif
1032 } else {
1033 flags = inp->sctp_flags;
1034 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
1035 goto sctp_must_try_again;
1036 }
1037 }
1038 #if defined(__FreeBSD__) && __FreeBSD_version > 690000
1039 return;
1040 #else
1041 return (0);
1042 #endif
1043 }
1044 #endif
1046 #if defined(__Userspace__)
1047 /* __Userspace__ is not calling sctp_sendm */
1048 #endif
1049 #if !(defined(__Panda__) || defined(__Windows__))
1050 int
1051 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
1052 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
1053 struct mbuf *control, struct thread *p);
1055 #else
1056 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
1057 struct mbuf *control, struct proc *p);
1059 #endif
1061 int
1062 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
1063 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
1064 struct mbuf *control, struct thread *p)
1065 {
1066 #else
1067 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
1068 struct mbuf *control, struct proc *p)
1069 {
1070 #endif
1071 struct sctp_inpcb *inp;
1072 int error;
1074 inp = (struct sctp_inpcb *)so->so_pcb;
1075 if (inp == NULL) {
1076 if (control) {
1077 sctp_m_freem(control);
1078 control = NULL;
1079 }
1080 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1081 sctp_m_freem(m);
1082 return (EINVAL);
1083 }
1084 /* Got to have an to address if we are NOT a connected socket */
1085 if ((addr == NULL) &&
1086 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) ||
1087 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) {
1088 goto connected_type;
1089 } else if (addr == NULL) {
1090 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
1091 error = EDESTADDRREQ;
1092 sctp_m_freem(m);
1093 if (control) {
1094 sctp_m_freem(control);
1095 control = NULL;
1096 }
1097 return (error);
1098 }
1099 #ifdef INET6
1100 if (addr->sa_family != AF_INET) {
1101 /* must be a v4 address! */
1102 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
1103 sctp_m_freem(m);
1104 if (control) {
1105 sctp_m_freem(control);
1106 control = NULL;
1107 }
1108 error = EDESTADDRREQ;
1109 return (error);
1110 }
1111 #endif /* INET6 */
1112 connected_type:
1113 /* now what about control */
1114 if (control) {
1115 if (inp->control) {
1116 SCTP_PRINTF("huh? control set?\n");
1117 sctp_m_freem(inp->control);
1118 inp->control = NULL;
1119 }
1120 inp->control = control;
1121 }
1122 /* Place the data */
1123 if (inp->pkt) {
1124 SCTP_BUF_NEXT(inp->pkt_last) = m;
1125 inp->pkt_last = m;
1126 } else {
1127 inp->pkt_last = inp->pkt = m;
1128 }
1129 if (
1130 #if defined(__FreeBSD__) || defined(__APPLE__)
1131 /* FreeBSD uses a flag passed */
1132 ((flags & PRUS_MORETOCOME) == 0)
1133 #else
1134 1 /* Open BSD does not have any "more to come"
1135 * indication */
1136 #endif
1137 ) {
1138 /*
1139 * note with the current version this code will only be used
1140 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for
1141 * re-defining sosend to use the sctp_sosend. One can
1142 * optionally switch back to this code (by changing back the
1143 * definitions) but this is not advisable. This code is used
1144 * by FreeBSD when sending a file with sendfile() though.
1145 */
1146 int ret;
1148 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
1149 inp->pkt = NULL;
1150 inp->control = NULL;
1151 return (ret);
1152 } else {
1153 return (0);
1154 }
1155 }
1156 #endif
1158 int
1159 sctp_disconnect(struct socket *so)
1160 {
1161 struct sctp_inpcb *inp;
1163 inp = (struct sctp_inpcb *)so->so_pcb;
1164 if (inp == NULL) {
1165 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
1166 return (ENOTCONN);
1167 }
1168 SCTP_INP_RLOCK(inp);
1169 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1170 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
1171 if (LIST_EMPTY(&inp->sctp_asoc_list)) {
1172 /* No connection */
1173 SCTP_INP_RUNLOCK(inp);
1174 return (0);
1175 } else {
1176 struct sctp_association *asoc;
1177 struct sctp_tcb *stcb;
1179 stcb = LIST_FIRST(&inp->sctp_asoc_list);
1180 if (stcb == NULL) {
1181 SCTP_INP_RUNLOCK(inp);
1182 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1183 return (EINVAL);
1184 }
1185 SCTP_TCB_LOCK(stcb);
1186 asoc = &stcb->asoc;
1187 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
1188 /* We are about to be freed, out of here */
1189 SCTP_TCB_UNLOCK(stcb);
1190 SCTP_INP_RUNLOCK(inp);
1191 return (0);
1192 }
1193 #if defined(__Userspace__)
1194 if (((so->so_options & SCTP_SO_LINGER) &&
1195 (so->so_linger == 0)) ||
1196 (so->so_rcv.sb_cc > 0)) {
1197 #else
1198 if (((so->so_options & SO_LINGER) &&
1199 (so->so_linger == 0)) ||
1200 (so->so_rcv.sb_cc > 0)) {
1201 #endif
1202 if (SCTP_GET_STATE(asoc) !=
1203 SCTP_STATE_COOKIE_WAIT) {
1204 /* Left with Data unread */
1205 struct mbuf *err;
1207 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA);
1208 if (err) {
1209 /*
1210 * Fill in the user
1211 * initiated abort
1212 */
1213 struct sctp_paramhdr *ph;
1215 ph = mtod(err, struct sctp_paramhdr *);
1216 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr);
1217 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
1218 ph->param_length = htons(SCTP_BUF_LEN(err));
1219 }
1220 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED);
1221 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
1222 }
1223 SCTP_INP_RUNLOCK(inp);
1224 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
1225 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
1226 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
1227 }
1228 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_3);
1229 /* No unlock tcb assoc is gone */
1230 return (0);
1231 }
1232 if (TAILQ_EMPTY(&asoc->send_queue) &&
1233 TAILQ_EMPTY(&asoc->sent_queue) &&
1234 (asoc->stream_queue_cnt == 0)) {
1235 /* there is nothing queued to send, so done */
1236 if (asoc->locked_on_sending) {
1237 goto abort_anyway;
1238 }
1239 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&
1240 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {
1241 /* only send SHUTDOWN 1st time thru */
1242 struct sctp_nets *netp;
1244 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
1245 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
1246 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
1247 }
1248 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
1249 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
1250 sctp_stop_timers_for_shutdown(stcb);
1251 if (stcb->asoc.alternate) {
1252 netp = stcb->asoc.alternate;
1253 } else {
1254 netp = stcb->asoc.primary_destination;
1255 }
1256 sctp_send_shutdown(stcb,netp);
1257 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
1258 stcb->sctp_ep, stcb, netp);
1259 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
1260 stcb->sctp_ep, stcb, netp);
1261 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
1262 }
1263 } else {
1264 /*
1265 * we still got (or just got) data to send,
1266 * so set SHUTDOWN_PENDING
1267 */
1268 /*
1269 * XXX sockets draft says that SCTP_EOF
1270 * should be sent with no data. currently,
1271 * we will allow user data to be sent first
1272 * and move to SHUTDOWN-PENDING
1273 */
1274 struct sctp_nets *netp;
1275 if (stcb->asoc.alternate) {
1276 netp = stcb->asoc.alternate;
1277 } else {
1278 netp = stcb->asoc.primary_destination;
1279 }
1281 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
1282 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
1283 netp);
1284 if (asoc->locked_on_sending) {
1285 /* Locked to send out the data */
1286 struct sctp_stream_queue_pending *sp;
1287 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
1288 if (sp == NULL) {
1289 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
1290 asoc->locked_on_sending->stream_no);
1291 } else {
1292 if ((sp->length == 0) && (sp->msg_is_complete == 0))
1293 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
1294 }
1295 }
1296 if (TAILQ_EMPTY(&asoc->send_queue) &&
1297 TAILQ_EMPTY(&asoc->sent_queue) &&
1298 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
1299 struct mbuf *op_err;
1300 abort_anyway:
1301 op_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr),
1302 0, M_NOWAIT, 1, MT_DATA);
1303 if (op_err) {
1304 /* Fill in the user initiated abort */
1305 struct sctp_paramhdr *ph;
1307 SCTP_BUF_LEN(op_err) = sizeof(struct sctp_paramhdr);
1308 ph = mtod(op_err, struct sctp_paramhdr *);
1309 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
1310 ph->param_length = htons(SCTP_BUF_LEN(op_err));
1311 }
1312 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ+SCTP_LOC_4;
1313 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
1314 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
1315 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
1316 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
1317 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
1318 }
1319 SCTP_INP_RUNLOCK(inp);
1320 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_5);
1321 return (0);
1322 } else {
1323 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
1324 }
1325 }
1326 soisdisconnecting(so);
1327 SCTP_TCB_UNLOCK(stcb);
1328 SCTP_INP_RUNLOCK(inp);
1329 return (0);
1330 }
1331 /* not reached */
1332 } else {
1333 /* UDP model does not support this */
1334 SCTP_INP_RUNLOCK(inp);
1335 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1336 return (EOPNOTSUPP);
1337 }
1338 }
1340 #if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__)
1341 int
1342 sctp_flush(struct socket *so, int how)
1343 {
1344 /*
1345 * We will just clear out the values and let
1346 * subsequent close clear out the data, if any.
1347 * Note if the user did a shutdown(SHUT_RD) they
1348 * will not be able to read the data, the socket
1349 * will block that from happening.
1350 */
1351 struct sctp_inpcb *inp;
1353 inp = (struct sctp_inpcb *)so->so_pcb;
1354 if (inp == NULL) {
1355 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1356 return (EINVAL);
1357 }
1358 SCTP_INP_RLOCK(inp);
1359 /* For the 1 to many model this does nothing */
1360 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
1361 SCTP_INP_RUNLOCK(inp);
1362 return (0);
1363 }
1364 SCTP_INP_RUNLOCK(inp);
1365 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) {
1366 /* First make sure the sb will be happy, we don't
1367 * use these except maybe the count
1368 */
1369 SCTP_INP_WLOCK(inp);
1370 SCTP_INP_READ_LOCK(inp);
1371 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ;
1372 SCTP_INP_READ_UNLOCK(inp);
1373 SCTP_INP_WUNLOCK(inp);
1374 so->so_rcv.sb_cc = 0;
1375 so->so_rcv.sb_mbcnt = 0;
1376 so->so_rcv.sb_mb = NULL;
1377 }
1378 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) {
1379 /* First make sure the sb will be happy, we don't
1380 * use these except maybe the count
1381 */
1382 so->so_snd.sb_cc = 0;
1383 so->so_snd.sb_mbcnt = 0;
1384 so->so_snd.sb_mb = NULL;
1386 }
1387 return (0);
1388 }
1389 #endif
1391 int
1392 sctp_shutdown(struct socket *so)
1393 {
1394 struct sctp_inpcb *inp;
1396 inp = (struct sctp_inpcb *)so->so_pcb;
1397 if (inp == NULL) {
1398 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1399 return (EINVAL);
1400 }
1401 SCTP_INP_RLOCK(inp);
1402 /* For UDP model this is a invalid call */
1403 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1404 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) {
1405 /* Restore the flags that the soshutdown took away. */
1406 #if (defined(__FreeBSD__) && __FreeBSD_version >= 502115) || defined(__Windows__)
1407 SOCKBUF_LOCK(&so->so_rcv);
1408 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
1409 SOCKBUF_UNLOCK(&so->so_rcv);
1410 #else
1411 so->so_state &= ~SS_CANTRCVMORE;
1412 #endif
1413 /* This proc will wakeup for read and do nothing (I hope) */
1414 SCTP_INP_RUNLOCK(inp);
1415 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1416 return (EOPNOTSUPP);
1417 }
1418 /*
1419 * Ok if we reach here its the TCP model and it is either a SHUT_WR
1420 * or SHUT_RDWR. This means we put the shutdown flag against it.
1421 */
1422 {
1423 struct sctp_tcb *stcb;
1424 struct sctp_association *asoc;
1426 if ((so->so_state &
1427 (SS_ISCONNECTED|SS_ISCONNECTING|SS_ISDISCONNECTING)) == 0) {
1428 SCTP_INP_RUNLOCK(inp);
1429 return (ENOTCONN);
1430 }
1431 socantsendmore(so);
1433 stcb = LIST_FIRST(&inp->sctp_asoc_list);
1434 if (stcb == NULL) {
1435 /*
1436 * Ok we hit the case that the shutdown call was
1437 * made after an abort or something. Nothing to do
1438 * now.
1439 */
1440 SCTP_INP_RUNLOCK(inp);
1441 return (0);
1442 }
1443 SCTP_TCB_LOCK(stcb);
1444 asoc = &stcb->asoc;
1445 if (TAILQ_EMPTY(&asoc->send_queue) &&
1446 TAILQ_EMPTY(&asoc->sent_queue) &&
1447 (asoc->stream_queue_cnt == 0)) {
1448 if (asoc->locked_on_sending) {
1449 goto abort_anyway;
1450 }
1451 /* there is nothing queued to send, so I'm done... */
1452 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) {
1453 /* only send SHUTDOWN the first time through */
1454 struct sctp_nets *netp;
1456 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
1457 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
1458 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
1459 }
1460 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
1461 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
1462 sctp_stop_timers_for_shutdown(stcb);
1463 if (stcb->asoc.alternate) {
1464 netp = stcb->asoc.alternate;
1465 } else {
1466 netp = stcb->asoc.primary_destination;
1467 }
1468 sctp_send_shutdown(stcb, netp);
1469 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
1470 stcb->sctp_ep, stcb, netp);
1471 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
1472 stcb->sctp_ep, stcb, netp);
1473 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
1474 }
1475 } else {
1476 /*
1477 * we still got (or just got) data to send, so set
1478 * SHUTDOWN_PENDING
1479 */
1480 struct sctp_nets *netp;
1481 if (stcb->asoc.alternate) {
1482 netp = stcb->asoc.alternate;
1483 } else {
1484 netp = stcb->asoc.primary_destination;
1485 }
1487 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
1488 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
1489 netp);
1491 if (asoc->locked_on_sending) {
1492 /* Locked to send out the data */
1493 struct sctp_stream_queue_pending *sp;
1494 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
1495 if (sp == NULL) {
1496 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
1497 asoc->locked_on_sending->stream_no);
1498 } else {
1499 if ((sp->length == 0) && (sp-> msg_is_complete == 0)) {
1500 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
1501 }
1502 }
1503 }
1504 if (TAILQ_EMPTY(&asoc->send_queue) &&
1505 TAILQ_EMPTY(&asoc->sent_queue) &&
1506 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
1507 struct mbuf *op_err;
1508 abort_anyway:
1509 op_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr),
1510 0, M_NOWAIT, 1, MT_DATA);
1511 if (op_err) {
1512 /* Fill in the user initiated abort */
1513 struct sctp_paramhdr *ph;
1515 SCTP_BUF_LEN(op_err) = sizeof(struct sctp_paramhdr);
1516 ph = mtod(op_err, struct sctp_paramhdr *);
1517 ph->param_type = htons( SCTP_CAUSE_USER_INITIATED_ABT);
1518 ph->param_length = htons(SCTP_BUF_LEN(op_err));
1519 }
1520 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ+SCTP_LOC_6;
1521 sctp_abort_an_association(stcb->sctp_ep, stcb,
1522 op_err, SCTP_SO_LOCKED);
1523 goto skip_unlock;
1524 } else {
1525 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
1526 }
1527 }
1528 SCTP_TCB_UNLOCK(stcb);
1529 }
1530 skip_unlock:
1531 SCTP_INP_RUNLOCK(inp);
1532 return (0);
1533 }
1535 /*
1536 * copies a "user" presentable address and removes embedded scope, etc.
1537 * returns 0 on success, 1 on error
1538 */
1539 static uint32_t
1540 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa)
1541 {
1542 #ifdef INET6
1543 #if defined(SCTP_EMBEDDED_V6_SCOPE)
1544 struct sockaddr_in6 lsa6;
1546 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa,
1547 &lsa6);
1548 #endif
1549 #endif
1550 #ifdef HAVE_SA_LEN
1551 memcpy(ss, sa, sa->sa_len);
1552 #else
1553 switch (sa->sa_family) {
1554 #ifdef INET
1555 case AF_INET:
1556 memcpy(ss, sa, sizeof(struct sockaddr_in));
1557 break;
1558 #endif
1559 #ifdef INET6
1560 case AF_INET6:
1561 memcpy(ss, sa, sizeof(struct sockaddr_in6));
1562 break;
1563 #endif
1564 #if defined(__Userspace__)
1565 case AF_CONN:
1566 memcpy(ss, sa, sizeof(struct sockaddr_conn));
1567 break;
1568 #endif
1569 default:
1570 /* TSNH */
1571 break;
1572 }
1573 #endif
1574 return (0);
1575 }
1579 /*
1580 * NOTE: assumes addr lock is held
1581 */
1582 static size_t
1583 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp,
1584 struct sctp_tcb *stcb,
1585 size_t limit,
1586 struct sockaddr_storage *sas,
1587 uint32_t vrf_id)
1588 {
1589 struct sctp_ifn *sctp_ifn;
1590 struct sctp_ifa *sctp_ifa;
1591 size_t actual;
1592 int loopback_scope;
1593 #if defined(INET)
1594 int ipv4_local_scope, ipv4_addr_legal;
1595 #endif
1596 #if defined(INET6)
1597 int local_scope, site_scope, ipv6_addr_legal;
1598 #endif
1599 #if defined(__Userspace__)
1600 int conn_addr_legal;
1601 #endif
1602 struct sctp_vrf *vrf;
1604 actual = 0;
1605 if (limit <= 0)
1606 return (actual);
1608 if (stcb) {
1609 /* Turn on all the appropriate scope */
1610 loopback_scope = stcb->asoc.scope.loopback_scope;
1611 #if defined(INET)
1612 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
1613 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
1614 #endif
1615 #if defined(INET6)
1616 local_scope = stcb->asoc.scope.local_scope;
1617 site_scope = stcb->asoc.scope.site_scope;
1618 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
1619 #endif
1620 #if defined(__Userspace__)
1621 conn_addr_legal = stcb->asoc.scope.conn_addr_legal;
1622 #endif
1623 } else {
1624 /* Use generic values for endpoints. */
1625 loopback_scope = 1;
1626 #if defined(INET)
1627 ipv4_local_scope = 1;
1628 #endif
1629 #if defined(INET6)
1630 local_scope = 1;
1631 site_scope = 1;
1632 #endif
1633 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
1634 #if defined(INET6)
1635 ipv6_addr_legal = 1;
1636 #endif
1637 #if defined(INET)
1638 if (SCTP_IPV6_V6ONLY(inp)) {
1639 ipv4_addr_legal = 0;
1640 } else {
1641 ipv4_addr_legal = 1;
1642 }
1643 #endif
1644 #if defined(__Userspace__)
1645 conn_addr_legal = 0;
1646 #endif
1647 } else {
1648 #if defined(INET6)
1649 ipv6_addr_legal = 0;
1650 #endif
1651 #if defined(__Userspace__)
1652 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) {
1653 conn_addr_legal = 1;
1654 #if defined(INET)
1655 ipv4_addr_legal = 0;
1656 #endif
1657 } else {
1658 conn_addr_legal = 0;
1659 #if defined(INET)
1660 ipv4_addr_legal = 1;
1661 #endif
1662 }
1663 #else
1664 #if defined(INET)
1665 ipv4_addr_legal = 1;
1666 #endif
1667 #endif
1668 }
1669 }
1670 vrf = sctp_find_vrf(vrf_id);
1671 if (vrf == NULL) {
1672 return (0);
1673 }
1674 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1675 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1676 if ((loopback_scope == 0) &&
1677 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {
1678 /* Skip loopback if loopback_scope not set */
1679 continue;
1680 }
1681 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1682 if (stcb) {
1683 /*
1684 * For the BOUND-ALL case, the list
1685 * associated with a TCB is Always
1686 * considered a reverse list.. i.e.
1687 * it lists addresses that are NOT
1688 * part of the association. If this
1689 * is one of those we must skip it.
1690 */
1691 if (sctp_is_addr_restricted(stcb,
1692 sctp_ifa)) {
1693 continue;
1694 }
1695 }
1696 switch (sctp_ifa->address.sa.sa_family) {
1697 #ifdef INET
1698 case AF_INET:
1699 if (ipv4_addr_legal) {
1700 struct sockaddr_in *sin;
1702 sin = (struct sockaddr_in *)&sctp_ifa->address.sa;
1703 if (sin->sin_addr.s_addr == 0) {
1704 /*
1705 * we skip unspecifed
1706 * addresses
1707 */
1708 continue;
1709 }
1710 if ((ipv4_local_scope == 0) &&
1711 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
1712 continue;
1713 }
1714 #ifdef INET6
1715 if (sctp_is_feature_on(inp,SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
1716 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas);
1717 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1718 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6));
1719 actual += sizeof(struct sockaddr_in6);
1720 } else {
1721 #endif
1722 memcpy(sas, sin, sizeof(*sin));
1723 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1724 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin));
1725 actual += sizeof(*sin);
1726 #ifdef INET6
1727 }
1728 #endif
1729 if (actual >= limit) {
1730 return (actual);
1731 }
1732 } else {
1733 continue;
1734 }
1735 break;
1736 #endif
1737 #ifdef INET6
1738 case AF_INET6:
1739 if (ipv6_addr_legal) {
1740 struct sockaddr_in6 *sin6;
1742 #if defined(SCTP_EMBEDDED_V6_SCOPE) && !defined(SCTP_KAME)
1743 struct sockaddr_in6 lsa6;
1744 #endif
1745 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa;
1746 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
1747 /*
1748 * we skip unspecifed
1749 * addresses
1750 */
1751 continue;
1752 }
1753 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
1754 if (local_scope == 0)
1755 continue;
1756 #if defined(SCTP_EMBEDDED_V6_SCOPE)
1757 if (sin6->sin6_scope_id == 0) {
1758 #ifdef SCTP_KAME
1759 if (sa6_recoverscope(sin6) != 0)
1760 /*
1761 * bad link
1762 * local
1763 * address
1764 */
1765 continue;
1766 #else
1767 lsa6 = *sin6;
1768 if (in6_recoverscope(&lsa6,
1769 &lsa6.sin6_addr,
1770 NULL))
1771 /*
1772 * bad link
1773 * local
1774 * address
1775 */
1776 continue;
1777 sin6 = &lsa6;
1778 #endif /* SCTP_KAME */
1779 }
1780 #endif /* SCTP_EMBEDDED_V6_SCOPE */
1781 }
1782 if ((site_scope == 0) &&
1783 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {
1784 continue;
1785 }
1786 memcpy(sas, sin6, sizeof(*sin6));
1787 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1788 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6));
1789 actual += sizeof(*sin6);
1790 if (actual >= limit) {
1791 return (actual);
1792 }
1793 } else {
1794 continue;
1795 }
1796 break;
1797 #endif
1798 #if defined(__Userspace__)
1799 case AF_CONN:
1800 if (conn_addr_legal) {
1801 memcpy(sas, &sctp_ifa->address.sconn, sizeof(struct sockaddr_conn));
1802 ((struct sockaddr_conn *)sas)->sconn_port = inp->sctp_lport;
1803 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_conn));
1804 actual += sizeof(struct sockaddr_conn);
1805 if (actual >= limit) {
1806 return (actual);
1807 }
1808 } else {
1809 continue;
1810 }
1811 #endif
1812 default:
1813 /* TSNH */
1814 break;
1815 }
1816 }
1817 }
1818 } else {
1819 struct sctp_laddr *laddr;
1820 #ifndef HAVE_SA_LEN
1821 uint32_t sa_len = 0;
1822 #endif
1824 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1825 if (stcb) {
1826 if (sctp_is_addr_restricted(stcb, laddr->ifa)) {
1827 continue;
1828 }
1829 }
1830 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa))
1831 continue;
1832 switch (laddr->ifa->address.sa.sa_family) {
1833 #ifdef INET
1834 case AF_INET:
1835 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1836 break;
1837 #endif
1838 #ifdef INET6
1839 case AF_INET6:
1840 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1841 break;
1842 #endif
1843 #if defined(__Userspace__)
1844 case AF_CONN:
1845 ((struct sockaddr_conn *)sas)->sconn_port = inp->sctp_lport;
1846 break;
1847 #endif
1848 default:
1849 /* TSNH */
1850 break;
1851 }
1852 #ifdef HAVE_SA_LEN
1853 sas = (struct sockaddr_storage *)((caddr_t)sas +
1854 laddr->ifa->address.sa.sa_len);
1855 actual += laddr->ifa->address.sa.sa_len;
1856 #else
1857 switch (laddr->ifa->address.sa.sa_family) {
1858 #ifdef INET
1859 case AF_INET:
1860 sa_len = sizeof(struct sockaddr_in);
1861 break;
1862 #endif
1863 #ifdef INET6
1864 case AF_INET6:
1865 sa_len = sizeof(struct sockaddr_in6);
1866 break;
1867 #endif
1868 #if defined(__Userspace__)
1869 case AF_CONN:
1870 sa_len = sizeof(struct sockaddr_conn);
1871 break;
1872 #endif
1873 default:
1874 /* TSNH */
1875 break;
1876 }
1877 sas = (struct sockaddr_storage *)((caddr_t)sas + sa_len);
1878 actual += sa_len;
1879 #endif
1880 if (actual >= limit) {
1881 return (actual);
1882 }
1883 }
1884 }
1885 return (actual);
1886 }
1888 static size_t
1889 sctp_fill_up_addresses(struct sctp_inpcb *inp,
1890 struct sctp_tcb *stcb,
1891 size_t limit,
1892 struct sockaddr_storage *sas)
1893 {
1894 size_t size = 0;
1895 #ifdef SCTP_MVRF
1896 uint32_t id;
1897 #endif
1899 SCTP_IPI_ADDR_RLOCK();
1900 #ifdef SCTP_MVRF
1901 /*
1902 * FIX ME: ?? this WILL report duplicate addresses if they appear
1903 * in more than one VRF.
1904 */
1905 /* fill up addresses for all VRFs on the endpoint */
1906 for (id = 0; (id < inp->num_vrfs) && (size < limit); id++) {
1907 size += sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
1908 inp->m_vrf_ids[id]);
1909 sas = (struct sockaddr_storage *)((caddr_t)sas + size);
1910 }
1911 #else
1912 /* fill up addresses for the endpoint's default vrf */
1913 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
1914 inp->def_vrf_id);
1915 #endif
1916 SCTP_IPI_ADDR_RUNLOCK();
1917 return (size);
1918 }
1920 /*
1921 * NOTE: assumes addr lock is held
1922 */
1923 static int
1924 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id)
1925 {
1926 int cnt = 0;
1927 struct sctp_vrf *vrf = NULL;
1929 /*
1930 * In both sub-set bound an bound_all cases we return the MAXIMUM
1931 * number of addresses that you COULD get. In reality the sub-set
1932 * bound may have an exclusion list for a given TCB OR in the
1933 * bound-all case a TCB may NOT include the loopback or other
1934 * addresses as well.
1935 */
1936 vrf = sctp_find_vrf(vrf_id);
1937 if (vrf == NULL) {
1938 return (0);
1939 }
1940 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1941 struct sctp_ifn *sctp_ifn;
1942 struct sctp_ifa *sctp_ifa;
1944 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1945 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1946 /* Count them if they are the right type */
1947 switch (sctp_ifa->address.sa.sa_family) {
1948 #ifdef INET
1949 case AF_INET:
1950 if (sctp_is_feature_on(inp,SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1951 cnt += sizeof(struct sockaddr_in6);
1952 else
1953 cnt += sizeof(struct sockaddr_in);
1954 break;
1955 #endif
1956 #ifdef INET6
1957 case AF_INET6:
1958 cnt += sizeof(struct sockaddr_in6);
1959 break;
1960 #endif
1961 #if defined(__Userspace__)
1962 case AF_CONN:
1963 cnt += sizeof(struct sockaddr_conn);
1964 break;
1965 #endif
1966 default:
1967 break;
1968 }
1969 }
1970 }
1971 } else {
1972 struct sctp_laddr *laddr;
1974 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1975 switch (laddr->ifa->address.sa.sa_family) {
1976 #ifdef INET
1977 case AF_INET:
1978 if (sctp_is_feature_on(inp,SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1979 cnt += sizeof(struct sockaddr_in6);
1980 else
1981 cnt += sizeof(struct sockaddr_in);
1982 break;
1983 #endif
1984 #ifdef INET6
1985 case AF_INET6:
1986 cnt += sizeof(struct sockaddr_in6);
1987 break;
1988 #endif
1989 #if defined(__Userspace__)
1990 case AF_CONN:
1991 cnt += sizeof(struct sockaddr_conn);
1992 break;
1993 #endif
1994 default:
1995 break;
1996 }
1997 }
1998 }
1999 return (cnt);
2000 }
2002 static int
2003 sctp_count_max_addresses(struct sctp_inpcb *inp)
2004 {
2005 int cnt = 0;
2006 #ifdef SCTP_MVRF
2007 int id;
2008 #endif
2010 SCTP_IPI_ADDR_RLOCK();
2011 #ifdef SCTP_MVRF
2012 /*
2013 * FIX ME: ?? this WILL count duplicate addresses if they appear
2014 * in more than one VRF.
2015 */
2016 /* count addresses for all VRFs on the endpoint */
2017 for (id = 0; id < inp->num_vrfs; id++) {
2018 cnt += sctp_count_max_addresses_vrf(inp, inp->m_vrf_ids[id]);
2019 }
2020 #else
2021 /* count addresses for the endpoint's default VRF */
2022 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id);
2023 #endif
2024 SCTP_IPI_ADDR_RUNLOCK();
2025 return (cnt);
2026 }
2028 static int
2029 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval,
2030 size_t optsize, void *p, int delay)
2031 {
2032 int error = 0;
2033 int creat_lock_on = 0;
2034 struct sctp_tcb *stcb = NULL;
2035 struct sockaddr *sa;
2036 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr;
2037 uint32_t vrf_id;
2038 int bad_addresses = 0;
2039 sctp_assoc_t *a_id;
2041 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n");
2043 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
2044 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
2045 /* We are already connected AND the TCP model */
2046 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
2047 return (EADDRINUSE);
2048 }
2050 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
2051 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
2052 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2053 return (EINVAL);
2054 }
2056 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
2057 SCTP_INP_RLOCK(inp);
2058 stcb = LIST_FIRST(&inp->sctp_asoc_list);
2059 SCTP_INP_RUNLOCK(inp);
2060 }
2061 if (stcb) {
2062 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
2063 return (EALREADY);
2064 }
2065 SCTP_INP_INCR_REF(inp);
2066 SCTP_ASOC_CREATE_LOCK(inp);
2067 creat_lock_on = 1;
2068 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
2069 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
2070 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
2071 error = EFAULT;
2072 goto out_now;
2073 }
2074 totaddrp = (int *)optval;
2075 totaddr = *totaddrp;
2076 sa = (struct sockaddr *)(totaddrp + 1);
2077 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses);
2078 if ((stcb != NULL) || bad_addresses) {
2079 /* Already have or am bring up an association */
2080 SCTP_ASOC_CREATE_UNLOCK(inp);
2081 creat_lock_on = 0;
2082 if (stcb)
2083 SCTP_TCB_UNLOCK(stcb);
2084 if (bad_addresses == 0) {
2085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
2086 error = EALREADY;
2087 }
2088 goto out_now;
2089 }
2090 #ifdef INET6
2091 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
2092 (num_v6 > 0)) {
2093 error = EINVAL;
2094 goto out_now;
2095 }
2096 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
2097 (num_v4 > 0)) {
2098 struct in6pcb *inp6;
2100 inp6 = (struct in6pcb *)inp;
2101 if (SCTP_IPV6_V6ONLY(inp6)) {
2102 /*
2103 * if IPV6_V6ONLY flag, ignore connections destined
2104 * to a v4 addr or v4-mapped addr
2105 */
2106 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2107 error = EINVAL;
2108 goto out_now;
2109 }
2110 }
2111 #endif /* INET6 */
2112 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
2113 SCTP_PCB_FLAGS_UNBOUND) {
2114 /* Bind a ephemeral port */
2115 error = sctp_inpcb_bind(so, NULL, NULL, p);
2116 if (error) {
2117 goto out_now;
2118 }
2119 }
2121 /* FIX ME: do we want to pass in a vrf on the connect call? */
2122 vrf_id = inp->def_vrf_id;
2125 /* We are GOOD to go */
2126 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id,
2127 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2128 (struct thread *)p
2129 #elif defined(__Windows__)
2130 (PKTHREAD)p
2131 #else
2132 (struct proc *)p
2133 #endif
2134 );
2135 if (stcb == NULL) {
2136 /* Gak! no memory */
2137 goto out_now;
2138 }
2139 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
2140 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
2141 /* Set the connected flag so we can queue data */
2142 soisconnecting(so);
2143 }
2144 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
2145 /* move to second address */
2146 switch (sa->sa_family) {
2147 #ifdef INET
2148 case AF_INET:
2149 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in));
2150 break;
2151 #endif
2152 #ifdef INET6
2153 case AF_INET6:
2154 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6));
2155 break;
2156 #endif
2157 default:
2158 break;
2159 }
2161 error = 0;
2162 sctp_connectx_helper_add(stcb, sa, (totaddr-1), &error);
2163 /* Fill in the return id */
2164 if (error) {
2165 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_6);
2166 goto out_now;
2167 }
2168 a_id = (sctp_assoc_t *)optval;
2169 *a_id = sctp_get_associd(stcb);
2171 /* initialize authentication parameters for the assoc */
2172 sctp_initialize_auth_params(inp, stcb);
2174 if (delay) {
2175 /* doing delayed connection */
2176 stcb->asoc.delayed_connection = 1;
2177 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination);
2178 } else {
2179 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
2180 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
2181 }
2182 SCTP_TCB_UNLOCK(stcb);
2183 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
2184 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
2185 /* Set the connected flag so we can queue data */
2186 soisconnecting(so);
2187 }
2188 out_now:
2189 if (creat_lock_on) {
2190 SCTP_ASOC_CREATE_UNLOCK(inp);
2191 }
2192 SCTP_INP_DECR_REF(inp);
2193 return (error);
2194 }
2196 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \
2197 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\
2198 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \
2199 SCTP_INP_RLOCK(inp); \
2200 stcb = LIST_FIRST(&inp->sctp_asoc_list); \
2201 if (stcb) { \
2202 SCTP_TCB_LOCK(stcb); \
2203 } \
2204 SCTP_INP_RUNLOCK(inp); \
2205 } else if (assoc_id > SCTP_ALL_ASSOC) { \
2206 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \
2207 if (stcb == NULL) { \
2208 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \
2209 error = ENOENT; \
2210 break; \
2211 } \
2212 } else { \
2213 stcb = NULL; \
2214 } \
2215 }
2218 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\
2219 if (size < sizeof(type)) { \
2220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \
2221 error = EINVAL; \
2222 break; \
2223 } else { \
2224 destp = (type *)srcp; \
2225 } \
2226 }
2228 #if defined(__Panda__) || defined(__Userspace__)
2229 int
2230 #else
2231 static int
2232 #endif
2233 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
2234 void *p) {
2235 struct sctp_inpcb *inp = NULL;
2236 int error, val = 0;
2237 struct sctp_tcb *stcb = NULL;
2239 if (optval == NULL) {
2240 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2241 return (EINVAL);
2242 }
2244 inp = (struct sctp_inpcb *)so->so_pcb;
2245 if (inp == NULL) {
2246 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2247 return EINVAL;
2248 }
2249 error = 0;
2251 switch (optname) {
2252 case SCTP_NODELAY:
2253 case SCTP_AUTOCLOSE:
2254 case SCTP_EXPLICIT_EOR:
2255 case SCTP_AUTO_ASCONF:
2256 case SCTP_DISABLE_FRAGMENTS:
2257 case SCTP_I_WANT_MAPPED_V4_ADDR:
2258 case SCTP_USE_EXT_RCVINFO:
2259 SCTP_INP_RLOCK(inp);
2260 switch (optname) {
2261 case SCTP_DISABLE_FRAGMENTS:
2262 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT);
2263 break;
2264 case SCTP_I_WANT_MAPPED_V4_ADDR:
2265 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4);
2266 break;
2267 case SCTP_AUTO_ASCONF:
2268 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
2269 /* only valid for bound all sockets */
2270 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);
2271 } else {
2272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2273 error = EINVAL;
2274 goto flags_out;
2275 }
2276 break;
2277 case SCTP_EXPLICIT_EOR:
2278 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR);
2279 break;
2280 case SCTP_NODELAY:
2281 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY);
2282 break;
2283 case SCTP_USE_EXT_RCVINFO:
2284 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO);
2285 break;
2286 case SCTP_AUTOCLOSE:
2287 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE))
2288 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time);
2289 else
2290 val = 0;
2291 break;
2293 default:
2294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
2295 error = ENOPROTOOPT;
2296 } /* end switch (sopt->sopt_name) */
2297 if (*optsize < sizeof(val)) {
2298 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2299 error = EINVAL;
2300 }
2301 flags_out:
2302 SCTP_INP_RUNLOCK(inp);
2303 if (error == 0) {
2304 /* return the option value */
2305 *(int *)optval = val;
2306 *optsize = sizeof(val);
2307 }
2308 break;
2309 case SCTP_GET_PACKET_LOG:
2310 {
2311 #ifdef SCTP_PACKET_LOGGING
2312 uint8_t *target;
2313 int ret;
2315 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize);
2316 ret = sctp_copy_out_packet_log(target , (int)*optsize);
2317 *optsize = ret;
2318 #else
2319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
2320 error = EOPNOTSUPP;
2321 #endif
2322 break;
2323 }
2324 case SCTP_REUSE_PORT:
2325 {
2326 uint32_t *value;
2328 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
2329 /* Can't do this for a 1-m socket */
2330 error = EINVAL;
2331 break;
2332 }
2333 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2334 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
2335 *optsize = sizeof(uint32_t);
2336 break;
2337 }
2338 case SCTP_PARTIAL_DELIVERY_POINT:
2339 {
2340 uint32_t *value;
2342 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2343 *value = inp->partial_delivery_point;
2344 *optsize = sizeof(uint32_t);
2345 break;
2346 }
2347 case SCTP_FRAGMENT_INTERLEAVE:
2348 {
2349 uint32_t *value;
2351 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2352 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) {
2353 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) {
2354 *value = SCTP_FRAG_LEVEL_2;
2355 } else {
2356 *value = SCTP_FRAG_LEVEL_1;
2357 }
2358 } else {
2359 *value = SCTP_FRAG_LEVEL_0;
2360 }
2361 *optsize = sizeof(uint32_t);
2362 break;
2363 }
2364 case SCTP_CMT_ON_OFF:
2365 {
2366 struct sctp_assoc_value *av;
2368 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2369 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2370 if (stcb) {
2371 av->assoc_value = stcb->asoc.sctp_cmt_on_off;
2372 SCTP_TCB_UNLOCK(stcb);
2373 } else {
2374 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2375 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2376 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2377 SCTP_INP_RLOCK(inp);
2378 av->assoc_value = inp->sctp_cmt_on_off;
2379 SCTP_INP_RUNLOCK(inp);
2380 } else {
2381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2382 error = EINVAL;
2383 }
2384 }
2385 if (error == 0) {
2386 *optsize = sizeof(struct sctp_assoc_value);
2387 }
2388 break;
2389 }
2390 case SCTP_PLUGGABLE_CC:
2391 {
2392 struct sctp_assoc_value *av;
2394 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2395 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2396 if (stcb) {
2397 av->assoc_value = stcb->asoc.congestion_control_module;
2398 SCTP_TCB_UNLOCK(stcb);
2399 } else {
2400 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2401 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2402 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2403 SCTP_INP_RLOCK(inp);
2404 av->assoc_value = inp->sctp_ep.sctp_default_cc_module;
2405 SCTP_INP_RUNLOCK(inp);
2406 } else {
2407 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2408 error = EINVAL;
2409 }
2410 }
2411 if (error == 0) {
2412 *optsize = sizeof(struct sctp_assoc_value);
2413 }
2414 break;
2415 }
2416 case SCTP_CC_OPTION:
2417 {
2418 struct sctp_cc_option *cc_opt;
2420 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize);
2421 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
2422 if (stcb == NULL) {
2423 error = EINVAL;
2424 } else {
2425 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
2426 error = ENOTSUP;
2427 } else {
2428 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option)(stcb, 0, cc_opt);
2429 *optsize = sizeof(struct sctp_cc_option);
2430 }
2431 SCTP_TCB_UNLOCK(stcb);
2432 }
2433 break;
2434 }
2435 case SCTP_PLUGGABLE_SS:
2436 {
2437 struct sctp_assoc_value *av;
2439 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2440 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2441 if (stcb) {
2442 av->assoc_value = stcb->asoc.stream_scheduling_module;
2443 SCTP_TCB_UNLOCK(stcb);
2444 } else {
2445 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2446 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2447 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2448 SCTP_INP_RLOCK(inp);
2449 av->assoc_value = inp->sctp_ep.sctp_default_ss_module;
2450 SCTP_INP_RUNLOCK(inp);
2451 } else {
2452 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2453 error = EINVAL;
2454 }
2455 }
2456 if (error == 0) {
2457 *optsize = sizeof(struct sctp_assoc_value);
2458 }
2459 break;
2460 }
2461 case SCTP_SS_VALUE:
2462 {
2463 struct sctp_stream_value *av;
2465 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize);
2466 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2467 if (stcb) {
2468 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
2469 &av->stream_value) < 0) {
2470 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2471 error = EINVAL;
2472 } else {
2473 *optsize = sizeof(struct sctp_stream_value);
2474 }
2475 SCTP_TCB_UNLOCK(stcb);
2476 } else {
2477 /* Can't get stream value without association */
2478 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2479 error = EINVAL;
2480 }
2481 break;
2482 }
2483 case SCTP_GET_ADDR_LEN:
2484 {
2485 struct sctp_assoc_value *av;
2487 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2488 error = EINVAL;
2489 #ifdef INET
2490 if (av->assoc_value == AF_INET) {
2491 av->assoc_value = sizeof(struct sockaddr_in);
2492 error = 0;
2493 }
2494 #endif
2495 #ifdef INET6
2496 if (av->assoc_value == AF_INET6) {
2497 av->assoc_value = sizeof(struct sockaddr_in6);
2498 error = 0;
2499 }
2500 #endif
2501 #if defined(__Userspace__)
2502 if (av->assoc_value == AF_CONN) {
2503 av->assoc_value = sizeof(struct sockaddr_conn);
2504 error = 0;
2505 }
2506 #endif
2507 if (error) {
2508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2509 } else {
2510 *optsize = sizeof(struct sctp_assoc_value);
2511 }
2512 break;
2513 }
2514 case SCTP_GET_ASSOC_NUMBER:
2515 {
2516 uint32_t *value, cnt;
2518 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2519 cnt = 0;
2520 SCTP_INP_RLOCK(inp);
2521 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
2522 cnt++;
2523 }
2524 SCTP_INP_RUNLOCK(inp);
2525 *value = cnt;
2526 *optsize = sizeof(uint32_t);
2527 break;
2528 }
2529 case SCTP_GET_ASSOC_ID_LIST:
2530 {
2531 struct sctp_assoc_ids *ids;
2532 unsigned int at, limit;
2534 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize);
2535 at = 0;
2536 limit = (*optsize-sizeof(uint32_t))/ sizeof(sctp_assoc_t);
2537 SCTP_INP_RLOCK(inp);
2538 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
2539 if (at < limit) {
2540 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb);
2541 } else {
2542 error = EINVAL;
2543 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2544 break;
2545 }
2546 }
2547 SCTP_INP_RUNLOCK(inp);
2548 if (error == 0) {
2549 ids->gaids_number_of_ids = at;
2550 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t));
2551 }
2552 break;
2553 }
2554 case SCTP_CONTEXT:
2555 {
2556 struct sctp_assoc_value *av;
2558 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2559 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2561 if (stcb) {
2562 av->assoc_value = stcb->asoc.context;
2563 SCTP_TCB_UNLOCK(stcb);
2564 } else {
2565 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2566 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2567 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2568 SCTP_INP_RLOCK(inp);
2569 av->assoc_value = inp->sctp_context;
2570 SCTP_INP_RUNLOCK(inp);
2571 } else {
2572 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2573 error = EINVAL;
2574 }
2575 }
2576 if (error == 0) {
2577 *optsize = sizeof(struct sctp_assoc_value);
2578 }
2579 break;
2580 }
2581 case SCTP_VRF_ID:
2582 {
2583 uint32_t *default_vrfid;
2585 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize);
2586 *default_vrfid = inp->def_vrf_id;
2587 *optsize = sizeof(uint32_t);
2588 break;
2589 }
2590 case SCTP_GET_ASOC_VRF:
2591 {
2592 struct sctp_assoc_value *id;
2594 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize);
2595 SCTP_FIND_STCB(inp, stcb, id->assoc_id);
2596 if (stcb == NULL) {
2597 error = EINVAL;
2598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2599 } else {
2600 id->assoc_value = stcb->asoc.vrf_id;
2601 *optsize = sizeof(struct sctp_assoc_value);
2602 }
2603 break;
2604 }
2605 case SCTP_GET_VRF_IDS:
2606 {
2607 #ifdef SCTP_MVRF
2608 int siz_needed;
2609 uint32_t *vrf_ids;
2611 SCTP_CHECK_AND_CAST(vrf_ids, optval, uint32_t, *optsize);
2612 siz_needed = inp->num_vrfs * sizeof(uint32_t);
2613 if (*optsize < siz_needed) {
2614 error = EINVAL;
2615 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2616 } else {
2617 memcpy(vrf_ids, inp->m_vrf_ids, siz_needed);
2618 *optsize = siz_needed;
2619 }
2620 #else
2621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
2622 error = EOPNOTSUPP;
2623 #endif
2624 break;
2625 }
2626 case SCTP_GET_NONCE_VALUES:
2627 {
2628 struct sctp_get_nonce_values *gnv;
2630 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize);
2631 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id);
2633 if (stcb) {
2634 gnv->gn_peers_tag = stcb->asoc.peer_vtag;
2635 gnv->gn_local_tag = stcb->asoc.my_vtag;
2636 SCTP_TCB_UNLOCK(stcb);
2637 *optsize = sizeof(struct sctp_get_nonce_values);
2638 } else {
2639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2640 error = ENOTCONN;
2641 }
2642 break;
2643 }
2644 case SCTP_DELAYED_SACK:
2645 {
2646 struct sctp_sack_info *sack;
2648 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize);
2649 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
2650 if (stcb) {
2651 sack->sack_delay = stcb->asoc.delayed_ack;
2652 sack->sack_freq = stcb->asoc.sack_freq;
2653 SCTP_TCB_UNLOCK(stcb);
2654 } else {
2655 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2656 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2657 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) {
2658 SCTP_INP_RLOCK(inp);
2659 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]);
2660 sack->sack_freq = inp->sctp_ep.sctp_sack_freq;
2661 SCTP_INP_RUNLOCK(inp);
2662 } else {
2663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2664 error = EINVAL;
2665 }
2666 }
2667 if (error == 0) {
2668 *optsize = sizeof(struct sctp_sack_info);
2669 }
2670 break;
2671 }
2672 case SCTP_GET_SNDBUF_USE:
2673 {
2674 struct sctp_sockstat *ss;
2676 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize);
2677 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id);
2679 if (stcb) {
2680 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size;
2681 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue +
2682 stcb->asoc.size_on_all_streams);
2683 SCTP_TCB_UNLOCK(stcb);
2684 *optsize = sizeof(struct sctp_sockstat);
2685 } else {
2686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2687 error = ENOTCONN;
2688 }
2689 break;
2690 }
2691 case SCTP_MAX_BURST:
2692 {
2693 #if defined(__FreeBSD__) && __FreeBSD_version < 900000
2694 uint8_t *value;
2696 SCTP_CHECK_AND_CAST(value, optval, uint8_t, *optsize);
2698 SCTP_INP_RLOCK(inp);
2699 if (inp->sctp_ep.max_burst < 256) {
2700 *value = inp->sctp_ep.max_burst;
2701 } else {
2702 *value = 255;
2703 }
2704 SCTP_INP_RUNLOCK(inp);
2705 *optsize = sizeof(uint8_t);
2706 #else
2707 struct sctp_assoc_value *av;
2709 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2710 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2712 if (stcb) {
2713 av->assoc_value = stcb->asoc.max_burst;
2714 SCTP_TCB_UNLOCK(stcb);
2715 } else {
2716 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2717 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2718 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2719 SCTP_INP_RLOCK(inp);
2720 av->assoc_value = inp->sctp_ep.max_burst;
2721 SCTP_INP_RUNLOCK(inp);
2722 } else {
2723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2724 error = EINVAL;
2725 }
2726 }
2727 if (error == 0) {
2728 *optsize = sizeof(struct sctp_assoc_value);
2729 }
2730 #endif
2731 break;
2732 }
2733 case SCTP_MAXSEG:
2734 {
2735 struct sctp_assoc_value *av;
2736 int ovh;
2738 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2739 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2741 if (stcb) {
2742 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc);
2743 SCTP_TCB_UNLOCK(stcb);
2744 } else {
2745 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2746 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2747 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2748 SCTP_INP_RLOCK(inp);
2749 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
2750 ovh = SCTP_MED_OVERHEAD;
2751 } else {
2752 ovh = SCTP_MED_V4_OVERHEAD;
2753 }
2754 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT)
2755 av->assoc_value = 0;
2756 else
2757 av->assoc_value = inp->sctp_frag_point - ovh;
2758 SCTP_INP_RUNLOCK(inp);
2759 } else {
2760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2761 error = EINVAL;
2762 }
2763 }
2764 if (error == 0) {
2765 *optsize = sizeof(struct sctp_assoc_value);
2766 }
2767 break;
2768 }
2769 case SCTP_GET_STAT_LOG:
2770 error = sctp_fill_stat_log(optval, optsize);
2771 break;
2772 case SCTP_EVENTS:
2773 {
2774 struct sctp_event_subscribe *events;
2776 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize);
2777 memset(events, 0, sizeof(struct sctp_event_subscribe));
2778 SCTP_INP_RLOCK(inp);
2779 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT))
2780 events->sctp_data_io_event = 1;
2782 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT))
2783 events->sctp_association_event = 1;
2785 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT))
2786 events->sctp_address_event = 1;
2788 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT))
2789 events->sctp_send_failure_event = 1;
2791 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR))
2792 events->sctp_peer_error_event = 1;
2794 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT))
2795 events->sctp_shutdown_event = 1;
2797 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT))
2798 events->sctp_partial_delivery_event = 1;
2800 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT))
2801 events->sctp_adaptation_layer_event = 1;
2803 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT))
2804 events->sctp_authentication_event = 1;
2806 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT))
2807 events->sctp_sender_dry_event = 1;
2809 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT))
2810 events->sctp_stream_reset_event = 1;
2811 SCTP_INP_RUNLOCK(inp);
2812 *optsize = sizeof(struct sctp_event_subscribe);
2813 break;
2814 }
2815 case SCTP_ADAPTATION_LAYER:
2816 {
2817 uint32_t *value;
2819 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2821 SCTP_INP_RLOCK(inp);
2822 *value = inp->sctp_ep.adaptation_layer_indicator;
2823 SCTP_INP_RUNLOCK(inp);
2824 *optsize = sizeof(uint32_t);
2825 break;
2826 }
2827 case SCTP_SET_INITIAL_DBG_SEQ:
2828 {
2829 uint32_t *value;
2831 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2832 SCTP_INP_RLOCK(inp);
2833 *value = inp->sctp_ep.initial_sequence_debug;
2834 SCTP_INP_RUNLOCK(inp);
2835 *optsize = sizeof(uint32_t);
2836 break;
2837 }
2838 case SCTP_GET_LOCAL_ADDR_SIZE:
2839 {
2840 uint32_t *value;
2842 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2843 SCTP_INP_RLOCK(inp);
2844 *value = sctp_count_max_addresses(inp);
2845 SCTP_INP_RUNLOCK(inp);
2846 *optsize = sizeof(uint32_t);
2847 break;
2848 }
2849 case SCTP_GET_REMOTE_ADDR_SIZE:
2850 {
2851 uint32_t *value;
2852 size_t size;
2853 struct sctp_nets *net;
2855 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2856 /* FIXME MT: change to sctp_assoc_value? */
2857 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) *value);
2859 if (stcb) {
2860 size = 0;
2861 /* Count the sizes */
2862 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2863 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2864 size += sizeof(struct sockaddr_in6);
2865 } else {
2866 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) {
2867 #ifdef INET
2868 case AF_INET:
2869 size += sizeof(struct sockaddr_in);
2870 break;
2871 #endif
2872 #ifdef INET6
2873 case AF_INET6:
2874 size += sizeof(struct sockaddr_in6);
2875 break;
2876 #endif
2877 #if defined(__Userspace__)
2878 case AF_CONN:
2879 size += sizeof(struct sockaddr_conn);
2880 break;
2881 #endif
2882 default:
2883 break;
2884 }
2885 }
2886 }
2887 SCTP_TCB_UNLOCK(stcb);
2888 *value = (uint32_t) size;
2889 *optsize = sizeof(uint32_t);
2890 } else {
2891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2892 error = ENOTCONN;
2893 }
2894 break;
2895 }
2896 case SCTP_GET_PEER_ADDRESSES:
2897 /*
2898 * Get the address information, an array is passed in to
2899 * fill up we pack it.
2900 */
2901 {
2902 size_t cpsz, left;
2903 struct sockaddr_storage *sas;
2904 struct sctp_nets *net;
2905 struct sctp_getaddresses *saddr;
2907 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2908 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2910 if (stcb) {
2911 left = (*optsize) - sizeof(struct sctp_getaddresses);
2912 *optsize = sizeof(struct sctp_getaddresses);
2913 sas = (struct sockaddr_storage *)&saddr->addr[0];
2915 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2916 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2917 cpsz = sizeof(struct sockaddr_in6);
2918 } else {
2919 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) {
2920 #ifdef INET
2921 case AF_INET:
2922 cpsz = sizeof(struct sockaddr_in);
2923 break;
2924 #endif
2925 #ifdef INET6
2926 case AF_INET6:
2927 cpsz = sizeof(struct sockaddr_in6);
2928 break;
2929 #endif
2930 #if defined(__Userspace__)
2931 case AF_CONN:
2932 cpsz = sizeof(struct sockaddr_conn);
2933 break;
2934 #endif
2935 default:
2936 cpsz = 0;
2937 break;
2938 }
2939 }
2940 if (cpsz == 0) {
2941 break;
2942 }
2943 if (left < cpsz) {
2944 /* not enough room. */
2945 break;
2946 }
2947 #if defined(INET) && defined(INET6)
2948 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) &&
2949 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) {
2950 /* Must map the address */
2951 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr,
2952 (struct sockaddr_in6 *)sas);
2953 } else {
2954 #endif
2955 memcpy(sas, &net->ro._l_addr, cpsz);
2956 #if defined(INET) && defined(INET6)
2957 }
2958 #endif
2959 ((struct sockaddr_in *)sas)->sin_port = stcb->rport;
2961 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz);
2962 left -= cpsz;
2963 *optsize += cpsz;
2964 }
2965 SCTP_TCB_UNLOCK(stcb);
2966 } else {
2967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2968 error = ENOENT;
2969 }
2970 break;
2971 }
2972 case SCTP_GET_LOCAL_ADDRESSES:
2973 {
2974 size_t limit, actual;
2975 struct sockaddr_storage *sas;
2976 struct sctp_getaddresses *saddr;
2978 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2979 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2981 sas = (struct sockaddr_storage *)&saddr->addr[0];
2982 limit = *optsize - sizeof(sctp_assoc_t);
2983 actual = sctp_fill_up_addresses(inp, stcb, limit, sas);
2984 if (stcb) {
2985 SCTP_TCB_UNLOCK(stcb);
2986 }
2987 *optsize = sizeof(struct sockaddr_storage) + actual;
2988 break;
2989 }
2990 case SCTP_PEER_ADDR_PARAMS:
2991 {
2992 struct sctp_paddrparams *paddrp;
2993 struct sctp_nets *net;
2995 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize);
2996 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
2998 net = NULL;
2999 if (stcb) {
3000 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
3001 } else {
3002 /* We increment here since sctp_findassociation_ep_addr() wil
3003 * do a decrement if it finds the stcb as long as the locked
3004 * tcb (last argument) is NOT a TCB.. aka NULL.
3005 */
3006 SCTP_INP_INCR_REF(inp);
3007 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL);
3008 if (stcb == NULL) {
3009 SCTP_INP_DECR_REF(inp);
3010 }
3011 }
3012 if (stcb && (net == NULL)) {
3013 struct sockaddr *sa;
3015 sa = (struct sockaddr *)&paddrp->spp_address;
3016 #ifdef INET
3017 if (sa->sa_family == AF_INET) {
3018 struct sockaddr_in *sin;
3020 sin = (struct sockaddr_in *)sa;
3021 if (sin->sin_addr.s_addr) {
3022 error = EINVAL;
3023 SCTP_TCB_UNLOCK(stcb);
3024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3025 break;
3026 }
3027 } else
3028 #endif
3029 #ifdef INET6
3030 if (sa->sa_family == AF_INET6) {
3031 struct sockaddr_in6 *sin6;
3033 sin6 = (struct sockaddr_in6 *)sa;
3034 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3035 error = EINVAL;
3036 SCTP_TCB_UNLOCK(stcb);
3037 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3038 break;
3039 }
3040 } else
3041 #endif
3042 #if defined(__Userspace__)
3043 if (sa->sa_family == AF_CONN) {
3044 struct sockaddr_conn *sconn;
3046 sconn = (struct sockaddr_conn *)sa;
3047 if (sconn->sconn_addr != NULL) {
3048 error = EINVAL;
3049 SCTP_TCB_UNLOCK(stcb);
3050 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3051 break;
3052 }
3053 } else
3054 #endif
3055 {
3056 error = EAFNOSUPPORT;
3057 SCTP_TCB_UNLOCK(stcb);
3058 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3059 break;
3060 }
3061 }
3063 if (stcb) {
3064 /* Applies to the specific association */
3065 paddrp->spp_flags = 0;
3066 if (net) {
3067 int ovh;
3068 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
3069 ovh = SCTP_MED_OVERHEAD;
3070 } else {
3071 ovh = SCTP_MED_V4_OVERHEAD;
3072 }
3074 paddrp->spp_hbinterval = net->heart_beat_delay;
3075 paddrp->spp_pathmaxrxt = net->failure_threshold;
3076 paddrp->spp_pathmtu = net->mtu - ovh;
3077 /* get flags for HB */
3078 if (net->dest_state & SCTP_ADDR_NOHB) {
3079 paddrp->spp_flags |= SPP_HB_DISABLE;
3080 } else {
3081 paddrp->spp_flags |= SPP_HB_ENABLE;
3082 }
3083 /* get flags for PMTU */
3084 if (net->dest_state & SCTP_ADDR_NO_PMTUD) {
3085 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
3086 } else {
3087 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
3088 }
3089 if (net->dscp & 0x01) {
3090 paddrp->spp_dscp = net->dscp & 0xfc;
3091 paddrp->spp_flags |= SPP_DSCP;
3092 }
3093 #ifdef INET6
3094 if ((net->ro._l_addr.sa.sa_family == AF_INET6) &&
3095 (net->flowlabel & 0x80000000)) {
3096 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff;
3097 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
3098 }
3099 #endif
3100 } else {
3101 /*
3102 * No destination so return default
3103 * value
3104 */
3105 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
3106 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc);
3107 if (stcb->asoc.default_dscp & 0x01) {
3108 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc;
3109 paddrp->spp_flags |= SPP_DSCP;
3110 }
3111 #ifdef INET6
3112 if (stcb->asoc.default_flowlabel & 0x80000000) {
3113 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff;
3114 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
3115 }
3116 #endif
3117 /* default settings should be these */
3118 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
3119 paddrp->spp_flags |= SPP_HB_DISABLE;
3120 } else {
3121 paddrp->spp_flags |= SPP_HB_ENABLE;
3122 }
3123 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
3124 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
3125 } else {
3126 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
3127 }
3128 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay;
3129 }
3130 paddrp->spp_assoc_id = sctp_get_associd(stcb);
3131 SCTP_TCB_UNLOCK(stcb);
3132 } else {
3133 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3134 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3135 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) {
3136 /* Use endpoint defaults */
3137 SCTP_INP_RLOCK(inp);
3138 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure;
3139 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]);
3140 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC;
3141 /* get inp's default */
3142 if (inp->sctp_ep.default_dscp & 0x01) {
3143 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc;
3144 paddrp->spp_flags |= SPP_DSCP;
3145 }
3146 #ifdef INET6
3147 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
3148 (inp->sctp_ep.default_flowlabel & 0x80000000)) {
3149 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff;
3150 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
3151 }
3152 #endif
3153 /* can't return this */
3154 paddrp->spp_pathmtu = 0;
3156 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
3157 paddrp->spp_flags |= SPP_HB_ENABLE;
3158 } else {
3159 paddrp->spp_flags |= SPP_HB_DISABLE;
3160 }
3161 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
3162 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
3163 } else {
3164 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
3165 }
3166 SCTP_INP_RUNLOCK(inp);
3167 } else {
3168 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3169 error = EINVAL;
3170 }
3171 }
3172 if (error == 0) {
3173 *optsize = sizeof(struct sctp_paddrparams);
3174 }
3175 break;
3176 }
3177 case SCTP_GET_PEER_ADDR_INFO:
3178 {
3179 struct sctp_paddrinfo *paddri;
3180 struct sctp_nets *net;
3182 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize);
3183 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id);
3185 net = NULL;
3186 if (stcb) {
3187 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address);
3188 } else {
3189 /* We increment here since sctp_findassociation_ep_addr() wil
3190 * do a decrement if it finds the stcb as long as the locked
3191 * tcb (last argument) is NOT a TCB.. aka NULL.
3192 */
3193 SCTP_INP_INCR_REF(inp);
3194 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL);
3195 if (stcb == NULL) {
3196 SCTP_INP_DECR_REF(inp);
3197 }
3198 }
3200 if ((stcb) && (net)) {
3201 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
3202 /* It's unconfirmed */
3203 paddri->spinfo_state = SCTP_UNCONFIRMED;
3204 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
3205 /* It's active */
3206 paddri->spinfo_state = SCTP_ACTIVE;
3207 } else {
3208 /* It's inactive */
3209 paddri->spinfo_state = SCTP_INACTIVE;
3210 }
3211 paddri->spinfo_cwnd = net->cwnd;
3212 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
3213 paddri->spinfo_rto = net->RTO;
3214 paddri->spinfo_assoc_id = sctp_get_associd(stcb);
3215 paddri->spinfo_mtu = net->mtu;
3216 SCTP_TCB_UNLOCK(stcb);
3217 *optsize = sizeof(struct sctp_paddrinfo);
3218 } else {
3219 if (stcb) {
3220 SCTP_TCB_UNLOCK(stcb);
3221 }
3222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
3223 error = ENOENT;
3224 }
3225 break;
3226 }
3227 case SCTP_PCB_STATUS:
3228 {
3229 struct sctp_pcbinfo *spcb;
3231 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize);
3232 sctp_fill_pcbinfo(spcb);
3233 *optsize = sizeof(struct sctp_pcbinfo);
3234 break;
3235 }
3236 case SCTP_STATUS:
3237 {
3238 struct sctp_nets *net;
3239 struct sctp_status *sstat;
3241 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize);
3242 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id);
3244 if (stcb == NULL) {
3245 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3246 error = EINVAL;
3247 break;
3248 }
3249 /*
3250 * I think passing the state is fine since
3251 * sctp_constants.h will be available to the user
3252 * land.
3253 */
3254 sstat->sstat_state = stcb->asoc.state;
3255 sstat->sstat_assoc_id = sctp_get_associd(stcb);
3256 sstat->sstat_rwnd = stcb->asoc.peers_rwnd;
3257 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt;
3258 /*
3259 * We can't include chunks that have been passed to
3260 * the socket layer. Only things in queue.
3261 */
3262 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue +
3263 stcb->asoc.cnt_on_all_streams);
3266 sstat->sstat_instrms = stcb->asoc.streamincnt;
3267 sstat->sstat_outstrms = stcb->asoc.streamoutcnt;
3268 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc);
3269 #ifdef HAVE_SA_LEN
3270 memcpy(&sstat->sstat_primary.spinfo_address,
3271 &stcb->asoc.primary_destination->ro._l_addr,
3272 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len);
3273 #else
3274 if (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family == AF_INET) {
3275 memcpy(&sstat->sstat_primary.spinfo_address,
3276 &stcb->asoc.primary_destination->ro._l_addr,
3277 sizeof(struct sockaddr_in));
3278 } else {
3279 memcpy(&sstat->sstat_primary.spinfo_address,
3280 &stcb->asoc.primary_destination->ro._l_addr,
3281 sizeof(struct sockaddr_in6));
3282 }
3283 #endif
3284 net = stcb->asoc.primary_destination;
3285 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport;
3286 /*
3287 * Again the user can get info from sctp_constants.h
3288 * for what the state of the network is.
3289 */
3290 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
3291 /* It's unconfirmed */
3292 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED;
3293 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
3294 /* It's active */
3295 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE;
3296 } else {
3297 /* It's inactive */
3298 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE;
3299 }
3300 sstat->sstat_primary.spinfo_cwnd = net->cwnd;
3301 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
3302 sstat->sstat_primary.spinfo_rto = net->RTO;
3303 sstat->sstat_primary.spinfo_mtu = net->mtu;
3304 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb);
3305 SCTP_TCB_UNLOCK(stcb);
3306 *optsize = sizeof(struct sctp_status);
3307 break;
3308 }
3309 case SCTP_RTOINFO:
3310 {
3311 struct sctp_rtoinfo *srto;
3313 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize);
3314 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
3316 if (stcb) {
3317 srto->srto_initial = stcb->asoc.initial_rto;
3318 srto->srto_max = stcb->asoc.maxrto;
3319 srto->srto_min = stcb->asoc.minrto;
3320 SCTP_TCB_UNLOCK(stcb);
3321 } else {
3322 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3323 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3324 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) {
3325 SCTP_INP_RLOCK(inp);
3326 srto->srto_initial = inp->sctp_ep.initial_rto;
3327 srto->srto_max = inp->sctp_ep.sctp_maxrto;
3328 srto->srto_min = inp->sctp_ep.sctp_minrto;
3329 SCTP_INP_RUNLOCK(inp);
3330 } else {
3331 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3332 error = EINVAL;
3333 }
3334 }
3335 if (error == 0) {
3336 *optsize = sizeof(struct sctp_rtoinfo);
3337 }
3338 break;
3339 }
3340 case SCTP_TIMEOUTS:
3341 {
3342 struct sctp_timeouts *stimo;
3344 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize);
3345 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id);
3347 if (stcb) {
3348 stimo->stimo_init= stcb->asoc.timoinit;
3349 stimo->stimo_data= stcb->asoc.timodata;
3350 stimo->stimo_sack= stcb->asoc.timosack;
3351 stimo->stimo_shutdown= stcb->asoc.timoshutdown;
3352 stimo->stimo_heartbeat= stcb->asoc.timoheartbeat;
3353 stimo->stimo_cookie= stcb->asoc.timocookie;
3354 stimo->stimo_shutdownack= stcb->asoc.timoshutdownack;
3355 SCTP_TCB_UNLOCK(stcb);
3356 *optsize = sizeof(struct sctp_timeouts);
3357 } else {
3358 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3359 error = EINVAL;
3360 }
3361 break;
3362 }
3363 case SCTP_ASSOCINFO:
3364 {
3365 struct sctp_assocparams *sasoc;
3367 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize);
3368 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
3370 if (stcb) {
3371 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life);
3372 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times;
3373 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
3374 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd;
3375 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd;
3376 SCTP_TCB_UNLOCK(stcb);
3377 } else {
3378 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3379 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3380 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
3381 SCTP_INP_RLOCK(inp);
3382 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life);
3383 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times;
3384 sasoc->sasoc_number_peer_destinations = 0;
3385 sasoc->sasoc_peer_rwnd = 0;
3386 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv);
3387 SCTP_INP_RUNLOCK(inp);
3388 } else {
3389 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3390 error = EINVAL;
3391 }
3392 }
3393 if (error == 0) {
3394 *optsize = sizeof(struct sctp_assocparams);
3395 }
3396 break;
3397 }
3398 case SCTP_DEFAULT_SEND_PARAM:
3399 {
3400 struct sctp_sndrcvinfo *s_info;
3402 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize);
3403 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
3405 if (stcb) {
3406 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send));
3407 SCTP_TCB_UNLOCK(stcb);
3408 } else {
3409 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3410 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3411 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) {
3412 SCTP_INP_RLOCK(inp);
3413 memcpy(s_info, &inp->def_send, sizeof(inp->def_send));
3414 SCTP_INP_RUNLOCK(inp);
3415 } else {
3416 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3417 error = EINVAL;
3418 }
3419 }
3420 if (error == 0) {
3421 *optsize = sizeof(struct sctp_sndrcvinfo);
3422 }
3423 break;
3424 }
3425 case SCTP_INITMSG:
3426 {
3427 struct sctp_initmsg *sinit;
3429 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize);
3430 SCTP_INP_RLOCK(inp);
3431 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count;
3432 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome;
3433 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times;
3434 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max;
3435 SCTP_INP_RUNLOCK(inp);
3436 *optsize = sizeof(struct sctp_initmsg);
3437 break;
3438 }
3439 case SCTP_PRIMARY_ADDR:
3440 /* we allow a "get" operation on this */
3441 {
3442 struct sctp_setprim *ssp;
3444 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize);
3445 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id);
3447 if (stcb) {
3448 /* simply copy out the sockaddr_storage... */
3449 size_t len;
3451 len = *optsize;
3452 #ifdef HAVE_SA_LEN
3453 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len)
3454 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len;
3455 #else
3456 if (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family == AF_INET &&
3457 len > sizeof(struct sockaddr_in))
3458 len = sizeof(struct sockaddr_in);
3459 else if (
3460 stcb->asoc.primary_destination->ro._l_addr.sa.sa_family == AF_INET6 &&
3461 len > sizeof(struct sockaddr_in6))
3462 len = sizeof(struct sockaddr_in6);
3463 #endif
3465 memcpy(&ssp->ssp_addr,
3466 &stcb->asoc.primary_destination->ro._l_addr,
3467 len);
3468 SCTP_TCB_UNLOCK(stcb);
3469 *optsize = sizeof(struct sctp_setprim);
3470 } else {
3471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3472 error = EINVAL;
3473 }
3474 break;
3475 }
3476 case SCTP_HMAC_IDENT:
3477 {
3478 struct sctp_hmacalgo *shmac;
3479 sctp_hmaclist_t *hmaclist;
3480 uint32_t size;
3481 int i;
3483 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize);
3485 SCTP_INP_RLOCK(inp);
3486 hmaclist = inp->sctp_ep.local_hmacs;
3487 if (hmaclist == NULL) {
3488 /* no HMACs to return */
3489 *optsize = sizeof(*shmac);
3490 SCTP_INP_RUNLOCK(inp);
3491 break;
3492 }
3493 /* is there room for all of the hmac ids? */
3494 size = sizeof(*shmac) + (hmaclist->num_algo *
3495 sizeof(shmac->shmac_idents[0]));
3496 if ((size_t)(*optsize) < size) {
3497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3498 error = EINVAL;
3499 SCTP_INP_RUNLOCK(inp);
3500 break;
3501 }
3502 /* copy in the list */
3503 shmac->shmac_number_of_idents = hmaclist->num_algo;
3504 for (i = 0; i < hmaclist->num_algo; i++) {
3505 shmac->shmac_idents[i] = hmaclist->hmac[i];
3506 }
3507 SCTP_INP_RUNLOCK(inp);
3508 *optsize = size;
3509 break;
3510 }
3511 case SCTP_AUTH_ACTIVE_KEY:
3512 {
3513 struct sctp_authkeyid *scact;
3515 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize);
3516 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
3518 if (stcb) {
3519 /* get the active key on the assoc */
3520 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid;
3521 SCTP_TCB_UNLOCK(stcb);
3522 } else {
3523 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3524 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3525 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) {
3526 /* get the endpoint active key */
3527 SCTP_INP_RLOCK(inp);
3528 scact->scact_keynumber = inp->sctp_ep.default_keyid;
3529 SCTP_INP_RUNLOCK(inp);
3530 } else {
3531 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3532 error = EINVAL;
3533 }
3534 }
3535 if (error == 0) {
3536 *optsize = sizeof(struct sctp_authkeyid);
3537 }
3538 break;
3539 }
3540 case SCTP_LOCAL_AUTH_CHUNKS:
3541 {
3542 struct sctp_authchunks *sac;
3543 sctp_auth_chklist_t *chklist = NULL;
3544 size_t size = 0;
3546 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
3547 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
3549 if (stcb) {
3550 /* get off the assoc */
3551 chklist = stcb->asoc.local_auth_chunks;
3552 /* is there enough space? */
3553 size = sctp_auth_get_chklist_size(chklist);
3554 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
3555 error = EINVAL;
3556 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3557 } else {
3558 /* copy in the chunks */
3559 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
3560 sac->gauth_number_of_chunks = (uint32_t)size;
3561 *optsize = sizeof(struct sctp_authchunks) + size;
3562 }
3563 SCTP_TCB_UNLOCK(stcb);
3564 } else {
3565 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3566 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3567 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) {
3568 /* get off the endpoint */
3569 SCTP_INP_RLOCK(inp);
3570 chklist = inp->sctp_ep.local_auth_chunks;
3571 /* is there enough space? */
3572 size = sctp_auth_get_chklist_size(chklist);
3573 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
3574 error = EINVAL;
3575 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3576 } else {
3577 /* copy in the chunks */
3578 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
3579 sac->gauth_number_of_chunks = (uint32_t)size;
3580 *optsize = sizeof(struct sctp_authchunks) + size;
3581 }
3582 SCTP_INP_RUNLOCK(inp);
3583 } else {
3584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3585 error = EINVAL;
3586 }
3587 }
3588 break;
3589 }
3590 case SCTP_PEER_AUTH_CHUNKS:
3591 {
3592 struct sctp_authchunks *sac;
3593 sctp_auth_chklist_t *chklist = NULL;
3594 size_t size = 0;
3596 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
3597 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
3599 if (stcb) {
3600 /* get off the assoc */
3601 chklist = stcb->asoc.peer_auth_chunks;
3602 /* is there enough space? */
3603 size = sctp_auth_get_chklist_size(chklist);
3604 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
3605 error = EINVAL;
3606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3607 } else {
3608 /* copy in the chunks */
3609 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
3610 sac->gauth_number_of_chunks = (uint32_t)size;
3611 *optsize = sizeof(struct sctp_authchunks) + size;
3612 }
3613 SCTP_TCB_UNLOCK(stcb);
3614 } else {
3615 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
3616 error = ENOENT;
3617 }
3618 break;
3619 }
3620 #if defined(HAVE_SCTP_PEELOFF_SOCKOPT)
3621 case SCTP_PEELOFF:
3622 {
3623 struct sctp_peeloff_opt *peeloff;
3625 SCTP_CHECK_AND_CAST(peeloff, optval, struct sctp_peeloff_opt, *optsize);
3626 /* do the peeloff */
3627 error = sctp_peeloff_option(p, peeloff);
3628 if (error == 0) {
3629 *optsize = sizeof(struct sctp_peeloff_opt);
3630 }
3631 }
3632 break;
3633 #endif /* HAVE_SCTP_PEELOFF_SOCKOPT */
3634 case SCTP_EVENT:
3635 {
3636 struct sctp_event *event;
3637 uint32_t event_type;
3639 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize);
3640 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
3642 switch (event->se_type) {
3643 case SCTP_ASSOC_CHANGE:
3644 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
3645 break;
3646 case SCTP_PEER_ADDR_CHANGE:
3647 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
3648 break;
3649 case SCTP_REMOTE_ERROR:
3650 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
3651 break;
3652 case SCTP_SEND_FAILED:
3653 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
3654 break;
3655 case SCTP_SHUTDOWN_EVENT:
3656 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
3657 break;
3658 case SCTP_ADAPTATION_INDICATION:
3659 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
3660 break;
3661 case SCTP_PARTIAL_DELIVERY_EVENT:
3662 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
3663 break;
3664 case SCTP_AUTHENTICATION_EVENT:
3665 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
3666 break;
3667 case SCTP_STREAM_RESET_EVENT:
3668 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
3669 break;
3670 case SCTP_SENDER_DRY_EVENT:
3671 event_type = SCTP_PCB_FLAGS_DRYEVNT;
3672 break;
3673 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
3674 event_type = 0;
3675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
3676 error = ENOTSUP;
3677 break;
3678 case SCTP_ASSOC_RESET_EVENT:
3679 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
3680 break;
3681 case SCTP_STREAM_CHANGE_EVENT:
3682 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
3683 break;
3684 case SCTP_SEND_FAILED_EVENT:
3685 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
3686 break;
3687 default:
3688 event_type = 0;
3689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3690 error = EINVAL;
3691 break;
3692 }
3693 if (event_type > 0) {
3694 if (stcb) {
3695 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type);
3696 SCTP_TCB_UNLOCK(stcb);
3697 } else {
3698 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3699 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3700 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) {
3701 SCTP_INP_RLOCK(inp);
3702 event->se_on = sctp_is_feature_on(inp, event_type);
3703 SCTP_INP_RUNLOCK(inp);
3704 } else {
3705 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3706 error = EINVAL;
3707 }
3708 }
3709 }
3710 if (error == 0) {
3711 *optsize = sizeof(struct sctp_event);
3712 }
3713 break;
3714 }
3715 case SCTP_RECVRCVINFO:
3716 {
3717 int onoff;
3719 if (*optsize < sizeof(int)) {
3720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3721 error = EINVAL;
3722 } else {
3723 SCTP_INP_RLOCK(inp);
3724 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
3725 SCTP_INP_RUNLOCK(inp);
3726 }
3727 if (error == 0) {
3728 /* return the option value */
3729 *(int *)optval = onoff;
3730 *optsize = sizeof(int);
3731 }
3732 break;
3733 }
3734 case SCTP_RECVNXTINFO:
3735 {
3736 int onoff;
3738 if (*optsize < sizeof(int)) {
3739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3740 error = EINVAL;
3741 } else {
3742 SCTP_INP_RLOCK(inp);
3743 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
3744 SCTP_INP_RUNLOCK(inp);
3745 }
3746 if (error == 0) {
3747 /* return the option value */
3748 *(int *)optval = onoff;
3749 *optsize = sizeof(int);
3750 }
3751 break;
3752 }
3753 case SCTP_DEFAULT_SNDINFO:
3754 {
3755 struct sctp_sndinfo *info;
3757 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize);
3758 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
3760 if (stcb) {
3761 info->snd_sid = stcb->asoc.def_send.sinfo_stream;
3762 info->snd_flags = stcb->asoc.def_send.sinfo_flags;
3763 info->snd_flags &= 0xfff0;
3764 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid;
3765 info->snd_context = stcb->asoc.def_send.sinfo_context;
3766 SCTP_TCB_UNLOCK(stcb);
3767 } else {
3768 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3769 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3770 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) {
3771 SCTP_INP_RLOCK(inp);
3772 info->snd_sid = inp->def_send.sinfo_stream;
3773 info->snd_flags = inp->def_send.sinfo_flags;
3774 info->snd_flags &= 0xfff0;
3775 info->snd_ppid = inp->def_send.sinfo_ppid;
3776 info->snd_context = inp->def_send.sinfo_context;
3777 SCTP_INP_RUNLOCK(inp);
3778 } else {
3779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3780 error = EINVAL;
3781 }
3782 }
3783 if (error == 0) {
3784 *optsize = sizeof(struct sctp_sndinfo);
3785 }
3786 break;
3787 }
3788 case SCTP_DEFAULT_PRINFO:
3789 {
3790 struct sctp_default_prinfo *info;
3792 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize);
3793 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
3795 if (stcb) {
3796 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
3797 info->pr_value = stcb->asoc.def_send.sinfo_timetolive;
3798 SCTP_TCB_UNLOCK(stcb);
3799 } else {
3800 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3801 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3802 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) {
3803 SCTP_INP_RLOCK(inp);
3804 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
3805 info->pr_value = inp->def_send.sinfo_timetolive;
3806 SCTP_INP_RUNLOCK(inp);
3807 } else {
3808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3809 error = EINVAL;
3810 }
3811 }
3812 if (error == 0) {
3813 *optsize = sizeof(struct sctp_default_prinfo);
3814 }
3815 break;
3816 }
3817 case SCTP_PEER_ADDR_THLDS:
3818 {
3819 struct sctp_paddrthlds *thlds;
3820 struct sctp_nets *net;
3822 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize);
3823 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
3825 net = NULL;
3826 if (stcb) {
3827 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address);
3828 } else {
3829 /* We increment here since sctp_findassociation_ep_addr() wil
3830 * do a decrement if it finds the stcb as long as the locked
3831 * tcb (last argument) is NOT a TCB.. aka NULL.
3832 */
3833 SCTP_INP_INCR_REF(inp);
3834 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL);
3835 if (stcb == NULL) {
3836 SCTP_INP_DECR_REF(inp);
3837 }
3838 }
3839 if (stcb && (net == NULL)) {
3840 struct sockaddr *sa;
3842 sa = (struct sockaddr *)&thlds->spt_address;
3843 #ifdef INET
3844 if (sa->sa_family == AF_INET) {
3845 struct sockaddr_in *sin;
3847 sin = (struct sockaddr_in *)sa;
3848 if (sin->sin_addr.s_addr) {
3849 error = EINVAL;
3850 SCTP_TCB_UNLOCK(stcb);
3851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3852 break;
3853 }
3854 } else
3855 #endif
3856 #ifdef INET6
3857 if (sa->sa_family == AF_INET6) {
3858 struct sockaddr_in6 *sin6;
3860 sin6 = (struct sockaddr_in6 *)sa;
3861 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3862 error = EINVAL;
3863 SCTP_TCB_UNLOCK(stcb);
3864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3865 break;
3866 }
3867 } else
3868 #endif
3869 #if defined(__Userspace__)
3870 if (sa->sa_family == AF_CONN) {
3871 struct sockaddr_conn *sconn;
3873 sconn = (struct sockaddr_conn *)sa;
3874 if (sconn->sconn_addr != NULL) {
3875 error = EINVAL;
3876 SCTP_TCB_UNLOCK(stcb);
3877 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3878 break;
3879 }
3880 } else
3881 #endif
3882 {
3883 error = EAFNOSUPPORT;
3884 SCTP_TCB_UNLOCK(stcb);
3885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3886 break;
3887 }
3888 }
3890 if (stcb) {
3891 if (net) {
3892 thlds->spt_pathmaxrxt = net->failure_threshold;
3893 thlds->spt_pathpfthld = net->pf_threshold;
3894 } else {
3895 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure;
3896 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold;
3897 }
3898 thlds->spt_assoc_id = sctp_get_associd(stcb);
3899 SCTP_TCB_UNLOCK(stcb);
3900 } else {
3901 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3902 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3903 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) {
3904 /* Use endpoint defaults */
3905 SCTP_INP_RLOCK(inp);
3906 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure;
3907 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold;
3908 SCTP_INP_RUNLOCK(inp);
3909 } else {
3910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3911 error = EINVAL;
3912 }
3913 }
3914 if (error == 0) {
3915 *optsize = sizeof(struct sctp_paddrthlds);
3916 }
3917 break;
3918 }
3919 case SCTP_REMOTE_UDP_ENCAPS_PORT:
3920 {
3921 struct sctp_udpencaps *encaps;
3922 struct sctp_nets *net;
3924 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize);
3925 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
3927 if (stcb) {
3928 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address);
3929 } else {
3930 /* We increment here since sctp_findassociation_ep_addr() wil
3931 * do a decrement if it finds the stcb as long as the locked
3932 * tcb (last argument) is NOT a TCB.. aka NULL.
3933 */
3934 net = NULL;
3935 SCTP_INP_INCR_REF(inp);
3936 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL);
3937 if (stcb == NULL) {
3938 SCTP_INP_DECR_REF(inp);
3939 }
3940 }
3941 if (stcb && (net == NULL)) {
3942 struct sockaddr *sa;
3944 sa = (struct sockaddr *)&encaps->sue_address;
3945 #ifdef INET
3946 if (sa->sa_family == AF_INET) {
3947 struct sockaddr_in *sin;
3949 sin = (struct sockaddr_in *)sa;
3950 if (sin->sin_addr.s_addr) {
3951 error = EINVAL;
3952 SCTP_TCB_UNLOCK(stcb);
3953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3954 break;
3955 }
3956 } else
3957 #endif
3958 #ifdef INET6
3959 if (sa->sa_family == AF_INET6) {
3960 struct sockaddr_in6 *sin6;
3962 sin6 = (struct sockaddr_in6 *)sa;
3963 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3964 error = EINVAL;
3965 SCTP_TCB_UNLOCK(stcb);
3966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3967 break;
3968 }
3969 } else
3970 #endif
3971 #if defined(__Userspace__)
3972 if (sa->sa_family == AF_CONN) {
3973 struct sockaddr_conn *sconn;
3975 sconn = (struct sockaddr_conn *)sa;
3976 if (sconn->sconn_addr != NULL) {
3977 error = EINVAL;
3978 SCTP_TCB_UNLOCK(stcb);
3979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3980 break;
3981 }
3982 } else
3983 #endif
3984 {
3985 error = EAFNOSUPPORT;
3986 SCTP_TCB_UNLOCK(stcb);
3987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3988 break;
3989 }
3990 }
3992 if (stcb) {
3993 if (net) {
3994 encaps->sue_port = net->port;
3995 } else {
3996 encaps->sue_port = stcb->asoc.port;
3997 }
3998 SCTP_TCB_UNLOCK(stcb);
3999 } else {
4000 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4001 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4002 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) {
4003 SCTP_INP_RLOCK(inp);
4004 encaps->sue_port = inp->sctp_ep.port;
4005 SCTP_INP_RUNLOCK(inp);
4006 } else {
4007 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4008 error = EINVAL;
4009 }
4010 }
4011 if (error == 0) {
4012 *optsize = sizeof(struct sctp_udpencaps);
4013 }
4014 break;
4015 }
4016 case SCTP_ENABLE_STREAM_RESET:
4017 {
4018 struct sctp_assoc_value *av;
4020 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
4021 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4023 if (stcb) {
4024 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support;
4025 SCTP_TCB_UNLOCK(stcb);
4026 } else {
4027 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4028 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4029 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
4030 SCTP_INP_RLOCK(inp);
4031 av->assoc_value = (uint32_t)inp->local_strreset_support;
4032 SCTP_INP_RUNLOCK(inp);
4033 } else {
4034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4035 error = EINVAL;
4036 }
4037 }
4038 if (error == 0) {
4039 *optsize = sizeof(struct sctp_assoc_value);
4040 }
4041 break;
4042 }
4043 default:
4044 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
4045 error = ENOPROTOOPT;
4046 break;
4047 } /* end switch (sopt->sopt_name) */
4048 if (error) {
4049 *optsize = 0;
4050 }
4051 return (error);
4052 }
4054 #if defined(__Panda__) || defined(__Userspace__)
4055 int
4056 #else
4057 static int
4058 #endif
4059 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
4060 void *p)
4061 {
4062 int error, set_opt;
4063 uint32_t *mopt;
4064 struct sctp_tcb *stcb = NULL;
4065 struct sctp_inpcb *inp = NULL;
4066 uint32_t vrf_id;
4068 if (optval == NULL) {
4069 SCTP_PRINTF("optval is NULL\n");
4070 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4071 return (EINVAL);
4072 }
4073 inp = (struct sctp_inpcb *)so->so_pcb;
4074 if (inp == NULL) {
4075 SCTP_PRINTF("inp is NULL?\n");
4076 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4077 return (EINVAL);
4078 }
4079 vrf_id = inp->def_vrf_id;
4081 error = 0;
4082 switch (optname) {
4083 case SCTP_NODELAY:
4084 case SCTP_AUTOCLOSE:
4085 case SCTP_AUTO_ASCONF:
4086 case SCTP_EXPLICIT_EOR:
4087 case SCTP_DISABLE_FRAGMENTS:
4088 case SCTP_USE_EXT_RCVINFO:
4089 case SCTP_I_WANT_MAPPED_V4_ADDR:
4090 /* copy in the option value */
4091 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
4092 set_opt = 0;
4093 if (error)
4094 break;
4095 switch (optname) {
4096 case SCTP_DISABLE_FRAGMENTS:
4097 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT;
4098 break;
4099 case SCTP_AUTO_ASCONF:
4100 /*
4101 * NOTE: we don't really support this flag
4102 */
4103 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
4104 /* only valid for bound all sockets */
4105 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) &&
4106 (*mopt != 0)) {
4107 /* forbidden by admin */
4108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM);
4109 return (EPERM);
4110 }
4111 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF;
4112 } else {
4113 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4114 return (EINVAL);
4115 }
4116 break;
4117 case SCTP_EXPLICIT_EOR:
4118 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR;
4119 break;
4120 case SCTP_USE_EXT_RCVINFO:
4121 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO;
4122 break;
4123 case SCTP_I_WANT_MAPPED_V4_ADDR:
4124 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
4125 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4;
4126 } else {
4127 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4128 return (EINVAL);
4129 }
4130 break;
4131 case SCTP_NODELAY:
4132 set_opt = SCTP_PCB_FLAGS_NODELAY;
4133 break;
4134 case SCTP_AUTOCLOSE:
4135 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4136 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
4137 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4138 return (EINVAL);
4139 }
4140 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE;
4141 /*
4142 * The value is in ticks. Note this does not effect
4143 * old associations, only new ones.
4144 */
4145 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt);
4146 break;
4147 }
4148 SCTP_INP_WLOCK(inp);
4149 if (*mopt != 0) {
4150 sctp_feature_on(inp, set_opt);
4151 } else {
4152 sctp_feature_off(inp, set_opt);
4153 }
4154 SCTP_INP_WUNLOCK(inp);
4155 break;
4156 case SCTP_REUSE_PORT:
4157 {
4158 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
4159 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
4160 /* Can't set it after we are bound */
4161 error = EINVAL;
4162 break;
4163 }
4164 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
4165 /* Can't do this for a 1-m socket */
4166 error = EINVAL;
4167 break;
4168 }
4169 if (optval)
4170 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
4171 else
4172 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE);
4173 break;
4174 }
4175 case SCTP_PARTIAL_DELIVERY_POINT:
4176 {
4177 uint32_t *value;
4179 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
4180 if (*value > SCTP_SB_LIMIT_RCV(so)) {
4181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4182 error = EINVAL;
4183 break;
4184 }
4185 inp->partial_delivery_point = *value;
4186 break;
4187 }
4188 case SCTP_FRAGMENT_INTERLEAVE:
4189 /* not yet until we re-write sctp_recvmsg() */
4190 {
4191 uint32_t *level;
4193 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize);
4194 if (*level == SCTP_FRAG_LEVEL_2) {
4195 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
4196 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
4197 } else if (*level == SCTP_FRAG_LEVEL_1) {
4198 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
4199 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
4200 } else if (*level == SCTP_FRAG_LEVEL_0) {
4201 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
4202 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
4204 } else {
4205 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4206 error = EINVAL;
4207 }
4208 break;
4209 }
4210 case SCTP_CMT_ON_OFF:
4211 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) {
4212 struct sctp_assoc_value *av;
4214 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4215 if (av->assoc_value > SCTP_CMT_MAX) {
4216 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4217 error = EINVAL;
4218 break;
4219 }
4220 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4221 if (stcb) {
4222 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
4223 SCTP_TCB_UNLOCK(stcb);
4224 } else {
4225 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4226 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4227 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4228 (av->assoc_id == SCTP_ALL_ASSOC)) {
4229 SCTP_INP_WLOCK(inp);
4230 inp->sctp_cmt_on_off = av->assoc_value;
4231 SCTP_INP_WUNLOCK(inp);
4232 }
4233 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4234 (av->assoc_id == SCTP_ALL_ASSOC)) {
4235 SCTP_INP_RLOCK(inp);
4236 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4237 SCTP_TCB_LOCK(stcb);
4238 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
4239 SCTP_TCB_UNLOCK(stcb);
4240 }
4241 SCTP_INP_RUNLOCK(inp);
4242 }
4243 }
4244 } else {
4245 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
4246 error = ENOPROTOOPT;
4247 }
4248 break;
4249 case SCTP_PLUGGABLE_CC:
4250 {
4251 struct sctp_assoc_value *av;
4252 struct sctp_nets *net;
4254 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4255 if ((av->assoc_value != SCTP_CC_RFC2581) &&
4256 (av->assoc_value != SCTP_CC_HSTCP) &&
4257 (av->assoc_value != SCTP_CC_HTCP) &&
4258 (av->assoc_value != SCTP_CC_RTCC)) {
4259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4260 error = EINVAL;
4261 break;
4262 }
4263 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4264 if (stcb) {
4265 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
4266 stcb->asoc.congestion_control_module = av->assoc_value;
4267 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
4268 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4269 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
4270 }
4271 }
4272 SCTP_TCB_UNLOCK(stcb);
4273 } else {
4274 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4275 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4276 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4277 (av->assoc_id == SCTP_ALL_ASSOC)) {
4278 SCTP_INP_WLOCK(inp);
4279 inp->sctp_ep.sctp_default_cc_module = av->assoc_value;
4280 SCTP_INP_WUNLOCK(inp);
4281 }
4282 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4283 (av->assoc_id == SCTP_ALL_ASSOC)) {
4284 SCTP_INP_RLOCK(inp);
4285 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4286 SCTP_TCB_LOCK(stcb);
4287 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
4288 stcb->asoc.congestion_control_module = av->assoc_value;
4289 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
4290 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4291 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
4292 }
4293 }
4294 SCTP_TCB_UNLOCK(stcb);
4295 }
4296 SCTP_INP_RUNLOCK(inp);
4297 }
4298 }
4299 break;
4300 }
4301 case SCTP_CC_OPTION:
4302 {
4303 struct sctp_cc_option *cc_opt;
4305 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize);
4306 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
4307 if (stcb == NULL) {
4308 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) {
4309 SCTP_INP_RLOCK(inp);
4310 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4311 SCTP_TCB_LOCK(stcb);
4312 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) {
4313 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option)(stcb, 1, cc_opt);
4314 }
4315 SCTP_TCB_UNLOCK(stcb);
4316 }
4317 SCTP_INP_RUNLOCK(inp);
4318 } else {
4319 error = EINVAL;
4320 }
4321 } else {
4322 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
4323 error = ENOTSUP;
4324 } else {
4325 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option)(stcb, 1,
4326 cc_opt);
4327 }
4328 SCTP_TCB_UNLOCK(stcb);
4329 }
4330 break;
4331 }
4332 case SCTP_PLUGGABLE_SS:
4333 {
4334 struct sctp_assoc_value *av;
4336 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4337 if ((av->assoc_value != SCTP_SS_DEFAULT) &&
4338 (av->assoc_value != SCTP_SS_ROUND_ROBIN) &&
4339 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) &&
4340 (av->assoc_value != SCTP_SS_PRIORITY) &&
4341 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) &&
4342 (av->assoc_value != SCTP_SS_FIRST_COME)) {
4343 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4344 error = EINVAL;
4345 break;
4346 }
4347 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4348 if (stcb) {
4349 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
4350 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
4351 stcb->asoc.stream_scheduling_module = av->assoc_value;
4352 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
4353 SCTP_TCB_UNLOCK(stcb);
4354 } else {
4355 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4356 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4357 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4358 (av->assoc_id == SCTP_ALL_ASSOC)) {
4359 SCTP_INP_WLOCK(inp);
4360 inp->sctp_ep.sctp_default_ss_module = av->assoc_value;
4361 SCTP_INP_WUNLOCK(inp);
4362 }
4363 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4364 (av->assoc_id == SCTP_ALL_ASSOC)) {
4365 SCTP_INP_RLOCK(inp);
4366 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4367 SCTP_TCB_LOCK(stcb);
4368 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
4369 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
4370 stcb->asoc.stream_scheduling_module = av->assoc_value;
4371 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
4372 SCTP_TCB_UNLOCK(stcb);
4373 }
4374 SCTP_INP_RUNLOCK(inp);
4375 }
4376 }
4377 break;
4378 }
4379 case SCTP_SS_VALUE:
4380 {
4381 struct sctp_stream_value *av;
4383 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize);
4384 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4385 if (stcb) {
4386 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
4387 av->stream_value) < 0) {
4388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4389 error = EINVAL;
4390 }
4391 SCTP_TCB_UNLOCK(stcb);
4392 } else {
4393 if (av->assoc_id == SCTP_CURRENT_ASSOC) {
4394 SCTP_INP_RLOCK(inp);
4395 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4396 SCTP_TCB_LOCK(stcb);
4397 stcb->asoc.ss_functions.sctp_ss_set_value(stcb,
4398 &stcb->asoc,
4399 &stcb->asoc.strmout[av->stream_id],
4400 av->stream_value);
4401 SCTP_TCB_UNLOCK(stcb);
4402 }
4403 SCTP_INP_RUNLOCK(inp);
4405 } else {
4406 /* Can't set stream value without association */
4407 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4408 error = EINVAL;
4409 }
4410 }
4411 break;
4412 }
4413 case SCTP_CLR_STAT_LOG:
4414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4415 error = EOPNOTSUPP;
4416 break;
4417 case SCTP_CONTEXT:
4418 {
4419 struct sctp_assoc_value *av;
4421 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4422 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4424 if (stcb) {
4425 stcb->asoc.context = av->assoc_value;
4426 SCTP_TCB_UNLOCK(stcb);
4427 } else {
4428 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4429 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4430 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4431 (av->assoc_id == SCTP_ALL_ASSOC)) {
4432 SCTP_INP_WLOCK(inp);
4433 inp->sctp_context = av->assoc_value;
4434 SCTP_INP_WUNLOCK(inp);
4435 }
4436 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4437 (av->assoc_id == SCTP_ALL_ASSOC)) {
4438 SCTP_INP_RLOCK(inp);
4439 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4440 SCTP_TCB_LOCK(stcb);
4441 stcb->asoc.context = av->assoc_value;
4442 SCTP_TCB_UNLOCK(stcb);
4443 }
4444 SCTP_INP_RUNLOCK(inp);
4445 }
4446 }
4447 break;
4448 }
4449 case SCTP_VRF_ID:
4450 {
4451 uint32_t *default_vrfid;
4452 #ifdef SCTP_MVRF
4453 int i;
4454 #endif
4455 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize);
4456 if (*default_vrfid > SCTP_MAX_VRF_ID) {
4457 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4458 error = EINVAL;
4459 break;
4460 }
4461 #ifdef SCTP_MVRF
4462 for (i = 0; i < inp->num_vrfs; i++) {
4463 /* The VRF must be in the VRF list */
4464 if (*default_vrfid == inp->m_vrf_ids[i]) {
4465 SCTP_INP_WLOCK(inp);
4466 inp->def_vrf_id = *default_vrfid;
4467 SCTP_INP_WUNLOCK(inp);
4468 goto sctp_done;
4469 }
4470 }
4471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4472 error = EINVAL;
4473 #else
4474 inp->def_vrf_id = *default_vrfid;
4475 #endif
4476 #ifdef SCTP_MVRF
4477 sctp_done:
4478 #endif
4479 break;
4480 }
4481 case SCTP_DEL_VRF_ID:
4482 {
4483 #ifdef SCTP_MVRF
4484 uint32_t *del_vrfid;
4485 int i, fnd = 0;
4487 SCTP_CHECK_AND_CAST(del_vrfid, optval, uint32_t, optsize);
4488 if (*del_vrfid > SCTP_MAX_VRF_ID) {
4489 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4490 error = EINVAL;
4491 break;
4492 }
4493 if (inp->num_vrfs == 1) {
4494 /* Can't delete last one */
4495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4496 error = EINVAL;
4497 break;
4498 }
4499 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
4500 /* Can't add more once you are bound */
4501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4502 error = EINVAL;
4503 break;
4504 }
4505 SCTP_INP_WLOCK(inp);
4506 for (i = 0; i < inp->num_vrfs; i++) {
4507 if (*del_vrfid == inp->m_vrf_ids[i]) {
4508 fnd = 1;
4509 break;
4510 }
4511 }
4512 if (!fnd) {
4513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4514 error = EINVAL;
4515 break;
4516 }
4517 if (i != (inp->num_vrfs - 1)) {
4518 /* Take bottom one and move to this slot */
4519 inp->m_vrf_ids[i] = inp->m_vrf_ids[(inp->num_vrfs-1)];
4520 }
4521 if (*del_vrfid == inp->def_vrf_id) {
4522 /* Take the first one as the new default */
4523 inp->def_vrf_id = inp->m_vrf_ids[0];
4524 }
4525 /* Drop the number by one killing last one */
4526 inp->num_vrfs--;
4527 #else
4528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4529 error = EOPNOTSUPP;
4530 #endif
4531 break;
4532 }
4533 case SCTP_ADD_VRF_ID:
4534 {
4535 #ifdef SCTP_MVRF
4536 uint32_t *add_vrfid;
4537 int i;
4539 SCTP_CHECK_AND_CAST(add_vrfid, optval, uint32_t, optsize);
4540 if (*add_vrfid > SCTP_MAX_VRF_ID) {
4541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4542 error = EINVAL;
4543 break;
4544 }
4545 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
4546 /* Can't add more once you are bound */
4547 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4548 error = EINVAL;
4549 break;
4550 }
4551 SCTP_INP_WLOCK(inp);
4552 /* Verify its not already here */
4553 for (i = 0; i < inp->num_vrfs; i++) {
4554 if (*add_vrfid == inp->m_vrf_ids[i]) {
4555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4556 error = EALREADY;
4557 SCTP_INP_WUNLOCK(inp);
4558 break;
4559 }
4560 }
4561 if ((inp->num_vrfs + 1) > inp->vrf_size) {
4562 /* need to grow array */
4563 uint32_t *tarray;
4564 SCTP_MALLOC(tarray, uint32_t *,
4565 (sizeof(uint32_t) * (inp->vrf_size + SCTP_DEFAULT_VRF_SIZE)),
4566 SCTP_M_MVRF);
4567 if (tarray == NULL) {
4568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4569 error = ENOMEM;
4570 SCTP_INP_WUNLOCK(inp);
4571 break;
4572 }
4573 memcpy(tarray, inp->m_vrf_ids, (sizeof(uint32_t) * inp->vrf_size));
4574 SCTP_FREE(inp->m_vrf_ids, SCTP_M_MVRF);
4575 inp->m_vrf_ids = tarray;
4576 inp->vrf_size += SCTP_DEFAULT_VRF_SIZE;
4577 }
4578 inp->m_vrf_ids[inp->num_vrfs] = *add_vrfid;
4579 inp->num_vrfs++;
4580 SCTP_INP_WUNLOCK(inp);
4581 #else
4582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4583 error = EOPNOTSUPP;
4584 #endif
4585 break;
4586 }
4587 case SCTP_DELAYED_SACK:
4588 {
4589 struct sctp_sack_info *sack;
4591 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize);
4592 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
4593 if (sack->sack_delay) {
4594 if (sack->sack_delay > SCTP_MAX_SACK_DELAY)
4595 sack->sack_delay = SCTP_MAX_SACK_DELAY;
4596 if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
4597 sack->sack_delay = TICKS_TO_MSEC(1);
4598 }
4599 }
4600 if (stcb) {
4601 if (sack->sack_delay) {
4602 stcb->asoc.delayed_ack = sack->sack_delay;
4603 }
4604 if (sack->sack_freq) {
4605 stcb->asoc.sack_freq = sack->sack_freq;
4606 }
4607 SCTP_TCB_UNLOCK(stcb);
4608 } else {
4609 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4610 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4611 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) ||
4612 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) {
4613 SCTP_INP_WLOCK(inp);
4614 if (sack->sack_delay) {
4615 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay);
4616 }
4617 if (sack->sack_freq) {
4618 inp->sctp_ep.sctp_sack_freq = sack->sack_freq;
4619 }
4620 SCTP_INP_WUNLOCK(inp);
4621 }
4622 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) ||
4623 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) {
4624 SCTP_INP_RLOCK(inp);
4625 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4626 SCTP_TCB_LOCK(stcb);
4627 if (sack->sack_delay) {
4628 stcb->asoc.delayed_ack = sack->sack_delay;
4629 }
4630 if (sack->sack_freq) {
4631 stcb->asoc.sack_freq = sack->sack_freq;
4632 }
4633 SCTP_TCB_UNLOCK(stcb);
4634 }
4635 SCTP_INP_RUNLOCK(inp);
4636 }
4637 }
4638 break;
4639 }
4640 case SCTP_AUTH_CHUNK:
4641 {
4642 struct sctp_authchunk *sauth;
4644 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize);
4646 SCTP_INP_WLOCK(inp);
4647 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) {
4648 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4649 error = EINVAL;
4650 }
4651 SCTP_INP_WUNLOCK(inp);
4652 break;
4653 }
4654 case SCTP_AUTH_KEY:
4655 {
4656 struct sctp_authkey *sca;
4657 struct sctp_keyhead *shared_keys;
4658 sctp_sharedkey_t *shared_key;
4659 sctp_key_t *key = NULL;
4660 size_t size;
4662 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize);
4663 if (sca->sca_keylength == 0) {
4664 size = optsize - sizeof(struct sctp_authkey);
4665 } else {
4666 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) {
4667 size = sca->sca_keylength;
4668 } else {
4669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4670 error = EINVAL;
4671 break;
4672 }
4673 }
4674 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id);
4676 if (stcb) {
4677 shared_keys = &stcb->asoc.shared_keys;
4678 /* clear the cached keys for this key id */
4679 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
4680 /*
4681 * create the new shared key and
4682 * insert/replace it
4683 */
4684 if (size > 0) {
4685 key = sctp_set_key(sca->sca_key, (uint32_t) size);
4686 if (key == NULL) {
4687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4688 error = ENOMEM;
4689 SCTP_TCB_UNLOCK(stcb);
4690 break;
4691 }
4692 }
4693 shared_key = sctp_alloc_sharedkey();
4694 if (shared_key == NULL) {
4695 sctp_free_key(key);
4696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4697 error = ENOMEM;
4698 SCTP_TCB_UNLOCK(stcb);
4699 break;
4700 }
4701 shared_key->key = key;
4702 shared_key->keyid = sca->sca_keynumber;
4703 error = sctp_insert_sharedkey(shared_keys, shared_key);
4704 SCTP_TCB_UNLOCK(stcb);
4705 } else {
4706 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4707 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4708 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) ||
4709 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) {
4710 SCTP_INP_WLOCK(inp);
4711 shared_keys = &inp->sctp_ep.shared_keys;
4712 /*
4713 * clear the cached keys on all assocs for
4714 * this key id
4715 */
4716 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber);
4717 /*
4718 * create the new shared key and
4719 * insert/replace it
4720 */
4721 if (size > 0) {
4722 key = sctp_set_key(sca->sca_key, (uint32_t) size);
4723 if (key == NULL) {
4724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4725 error = ENOMEM;
4726 SCTP_INP_WUNLOCK(inp);
4727 break;
4728 }
4729 }
4730 shared_key = sctp_alloc_sharedkey();
4731 if (shared_key == NULL) {
4732 sctp_free_key(key);
4733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4734 error = ENOMEM;
4735 SCTP_INP_WUNLOCK(inp);
4736 break;
4737 }
4738 shared_key->key = key;
4739 shared_key->keyid = sca->sca_keynumber;
4740 error = sctp_insert_sharedkey(shared_keys, shared_key);
4741 SCTP_INP_WUNLOCK(inp);
4742 }
4743 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) ||
4744 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) {
4745 SCTP_INP_RLOCK(inp);
4746 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4747 SCTP_TCB_LOCK(stcb);
4748 shared_keys = &stcb->asoc.shared_keys;
4749 /* clear the cached keys for this key id */
4750 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
4751 /*
4752 * create the new shared key and
4753 * insert/replace it
4754 */
4755 if (size > 0) {
4756 key = sctp_set_key(sca->sca_key, (uint32_t) size);
4757 if (key == NULL) {
4758 SCTP_TCB_UNLOCK(stcb);
4759 continue;
4760 }
4761 }
4762 shared_key = sctp_alloc_sharedkey();
4763 if (shared_key == NULL) {
4764 sctp_free_key(key);
4765 SCTP_TCB_UNLOCK(stcb);
4766 continue;
4767 }
4768 shared_key->key = key;
4769 shared_key->keyid = sca->sca_keynumber;
4770 error = sctp_insert_sharedkey(shared_keys, shared_key);
4771 SCTP_TCB_UNLOCK(stcb);
4772 }
4773 SCTP_INP_RUNLOCK(inp);
4774 }
4775 }
4776 break;
4777 }
4778 case SCTP_HMAC_IDENT:
4779 {
4780 struct sctp_hmacalgo *shmac;
4781 sctp_hmaclist_t *hmaclist;
4782 uint16_t hmacid;
4783 uint32_t i;
4785 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize);
4786 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) {
4787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4788 error = EINVAL;
4789 break;
4790 }
4792 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents);
4793 if (hmaclist == NULL) {
4794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4795 error = ENOMEM;
4796 break;
4797 }
4798 for (i = 0; i < shmac->shmac_number_of_idents; i++) {
4799 hmacid = shmac->shmac_idents[i];
4800 if (sctp_auth_add_hmacid(hmaclist, hmacid)) {
4801 /* invalid HMACs were found */;
4802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4803 error = EINVAL;
4804 sctp_free_hmaclist(hmaclist);
4805 goto sctp_set_hmac_done;
4806 }
4807 }
4808 for (i = 0; i < hmaclist->num_algo; i++) {
4809 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) {
4810 /* already in list */
4811 break;
4812 }
4813 }
4814 if (i == hmaclist->num_algo) {
4815 /* not found in list */
4816 sctp_free_hmaclist(hmaclist);
4817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4818 error = EINVAL;
4819 break;
4820 }
4821 /* set it on the endpoint */
4822 SCTP_INP_WLOCK(inp);
4823 if (inp->sctp_ep.local_hmacs)
4824 sctp_free_hmaclist(inp->sctp_ep.local_hmacs);
4825 inp->sctp_ep.local_hmacs = hmaclist;
4826 SCTP_INP_WUNLOCK(inp);
4827 sctp_set_hmac_done:
4828 break;
4829 }
4830 case SCTP_AUTH_ACTIVE_KEY:
4831 {
4832 struct sctp_authkeyid *scact;
4834 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize);
4835 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
4837 /* set the active key on the right place */
4838 if (stcb) {
4839 /* set the active key on the assoc */
4840 if (sctp_auth_setactivekey(stcb,
4841 scact->scact_keynumber)) {
4842 SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
4843 SCTP_FROM_SCTP_USRREQ,
4844 EINVAL);
4845 error = EINVAL;
4846 }
4847 SCTP_TCB_UNLOCK(stcb);
4848 } else {
4849 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4850 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4851 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4852 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) {
4853 SCTP_INP_WLOCK(inp);
4854 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) {
4855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4856 error = EINVAL;
4857 }
4858 SCTP_INP_WUNLOCK(inp);
4859 }
4860 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4861 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) {
4862 SCTP_INP_RLOCK(inp);
4863 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4864 SCTP_TCB_LOCK(stcb);
4865 sctp_auth_setactivekey(stcb, scact->scact_keynumber);
4866 SCTP_TCB_UNLOCK(stcb);
4867 }
4868 SCTP_INP_RUNLOCK(inp);
4869 }
4870 }
4871 break;
4872 }
4873 case SCTP_AUTH_DELETE_KEY:
4874 {
4875 struct sctp_authkeyid *scdel;
4877 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize);
4878 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id);
4880 /* delete the key from the right place */
4881 if (stcb) {
4882 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) {
4883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4884 error = EINVAL;
4885 }
4886 SCTP_TCB_UNLOCK(stcb);
4887 } else {
4888 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4889 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4890 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4891 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) {
4892 SCTP_INP_WLOCK(inp);
4893 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) {
4894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4895 error = EINVAL;
4896 }
4897 SCTP_INP_WUNLOCK(inp);
4898 }
4899 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4900 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) {
4901 SCTP_INP_RLOCK(inp);
4902 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4903 SCTP_TCB_LOCK(stcb);
4904 sctp_delete_sharedkey(stcb, scdel->scact_keynumber);
4905 SCTP_TCB_UNLOCK(stcb);
4906 }
4907 SCTP_INP_RUNLOCK(inp);
4908 }
4909 }
4910 break;
4911 }
4912 case SCTP_AUTH_DEACTIVATE_KEY:
4913 {
4914 struct sctp_authkeyid *keyid;
4916 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize);
4917 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id);
4919 /* deactivate the key from the right place */
4920 if (stcb) {
4921 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) {
4922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4923 error = EINVAL;
4924 }
4925 SCTP_TCB_UNLOCK(stcb);
4926 } else {
4927 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4928 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4929 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4930 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) {
4931 SCTP_INP_WLOCK(inp);
4932 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) {
4933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4934 error = EINVAL;
4935 }
4936 SCTP_INP_WUNLOCK(inp);
4937 }
4938 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4939 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) {
4940 SCTP_INP_RLOCK(inp);
4941 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4942 SCTP_TCB_LOCK(stcb);
4943 sctp_deact_sharedkey(stcb, keyid->scact_keynumber);
4944 SCTP_TCB_UNLOCK(stcb);
4945 }
4946 SCTP_INP_RUNLOCK(inp);
4947 }
4948 }
4949 break;
4950 }
4951 case SCTP_ENABLE_STREAM_RESET:
4952 {
4953 struct sctp_assoc_value *av;
4955 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4956 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) {
4957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4958 error = EINVAL;
4959 break;
4960 }
4961 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4962 if (stcb) {
4963 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value;
4964 SCTP_TCB_UNLOCK(stcb);
4965 } else {
4966 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4967 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4968 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4969 (av->assoc_id == SCTP_ALL_ASSOC)) {
4970 SCTP_INP_WLOCK(inp);
4971 inp->local_strreset_support = (uint8_t)av->assoc_value;
4972 SCTP_INP_WUNLOCK(inp);
4973 }
4974 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4975 (av->assoc_id == SCTP_ALL_ASSOC)) {
4976 SCTP_INP_RLOCK(inp);
4977 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4978 SCTP_TCB_LOCK(stcb);
4979 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value;
4980 SCTP_TCB_UNLOCK(stcb);
4981 }
4982 SCTP_INP_RUNLOCK(inp);
4983 }
4985 }
4986 break;
4987 }
4988 case SCTP_RESET_STREAMS:
4989 {
4990 struct sctp_reset_streams *strrst;
4991 int i, send_out = 0;
4992 int send_in = 0;
4994 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize);
4995 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id);
4996 if (stcb == NULL) {
4997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4998 error = ENOENT;
4999 break;
5000 }
5001 if (stcb->asoc.peer_supports_strreset == 0) {
5002 /*
5003 * Peer does not support the chunk type.
5004 */
5005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
5006 error = EOPNOTSUPP;
5007 SCTP_TCB_UNLOCK(stcb);
5008 break;
5009 }
5010 if (stcb->asoc.stream_reset_outstanding) {
5011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
5012 error = EALREADY;
5013 SCTP_TCB_UNLOCK(stcb);
5014 break;
5015 }
5016 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) {
5017 send_in = 1;
5018 }
5019 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) {
5020 send_out = 1;
5021 }
5022 if ((send_in == 0) && (send_out == 0)) {
5023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5024 error = EINVAL;
5025 SCTP_TCB_UNLOCK(stcb);
5026 break;
5027 }
5028 for (i = 0; i < strrst->srs_number_streams; i++) {
5029 if ((send_in) &&
5030 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) {
5031 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5032 error = EINVAL;
5033 break;
5034 }
5035 if ((send_out) &&
5036 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) {
5037 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5038 error = EINVAL;
5039 break;
5040 }
5041 }
5042 if (error) {
5043 SCTP_TCB_UNLOCK(stcb);
5044 break;
5045 }
5046 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams,
5047 strrst->srs_stream_list,
5048 send_out, send_in, 0, 0, 0, 0, 0);
5050 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
5051 SCTP_TCB_UNLOCK(stcb);
5052 break;
5053 }
5054 case SCTP_ADD_STREAMS:
5055 {
5056 struct sctp_add_streams *stradd;
5057 uint8_t addstream = 0;
5058 uint16_t add_o_strmcnt = 0;
5059 uint16_t add_i_strmcnt = 0;
5061 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize);
5062 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id);
5063 if (stcb == NULL) {
5064 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
5065 error = ENOENT;
5066 break;
5067 }
5068 if (stcb->asoc.peer_supports_strreset == 0) {
5069 /*
5070 * Peer does not support the chunk type.
5071 */
5072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
5073 error = EOPNOTSUPP;
5074 SCTP_TCB_UNLOCK(stcb);
5075 break;
5076 }
5077 if (stcb->asoc.stream_reset_outstanding) {
5078 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
5079 error = EALREADY;
5080 SCTP_TCB_UNLOCK(stcb);
5081 break;
5082 }
5083 if ((stradd->sas_outstrms == 0) &&
5084 (stradd->sas_instrms == 0)) {
5085 error = EINVAL;
5086 goto skip_stuff;
5087 }
5088 if (stradd->sas_outstrms) {
5089 addstream = 1;
5090 /* We allocate here */
5091 add_o_strmcnt = stradd->sas_outstrms;
5092 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) {
5093 /* You can't have more than 64k */
5094 error = EINVAL;
5095 goto skip_stuff;
5096 }
5097 }
5098 if (stradd->sas_instrms) {
5099 int cnt;
5101 addstream |= 2;
5102 /* We allocate inside sctp_send_str_reset_req() */
5103 add_i_strmcnt = stradd->sas_instrms;
5104 cnt = add_i_strmcnt;
5105 cnt += stcb->asoc.streamincnt;
5106 if (cnt > 0x0000ffff) {
5107 /* You can't have more than 64k */
5108 error = EINVAL;
5109 goto skip_stuff;
5110 }
5111 if (cnt > (int)stcb->asoc.max_inbound_streams) {
5112 /* More than you are allowed */
5113 error = EINVAL;
5114 goto skip_stuff;
5115 }
5116 }
5117 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0);
5118 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
5119 skip_stuff:
5120 SCTP_TCB_UNLOCK(stcb);
5121 break;
5122 }
5123 case SCTP_RESET_ASSOC:
5124 {
5125 uint32_t *value;
5127 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
5128 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) *value);
5129 if (stcb == NULL) {
5130 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
5131 error = ENOENT;
5132 break;
5133 }
5134 if (stcb->asoc.peer_supports_strreset == 0) {
5135 /*
5136 * Peer does not support the chunk type.
5137 */
5138 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
5139 error = EOPNOTSUPP;
5140 SCTP_TCB_UNLOCK(stcb);
5141 break;
5142 }
5143 if (stcb->asoc.stream_reset_outstanding) {
5144 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
5145 error = EALREADY;
5146 SCTP_TCB_UNLOCK(stcb);
5147 break;
5148 }
5149 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0);
5150 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
5151 SCTP_TCB_UNLOCK(stcb);
5152 break;
5153 }
5154 case SCTP_CONNECT_X:
5155 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
5156 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5157 error = EINVAL;
5158 break;
5159 }
5160 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0);
5161 break;
5162 case SCTP_CONNECT_X_DELAYED:
5163 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
5164 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5165 error = EINVAL;
5166 break;
5167 }
5168 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1);
5169 break;
5170 case SCTP_CONNECT_X_COMPLETE:
5171 {
5172 struct sockaddr *sa;
5173 struct sctp_nets *net;
5175 /* FIXME MT: check correct? */
5176 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
5178 /* find tcb */
5179 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
5180 SCTP_INP_RLOCK(inp);
5181 stcb = LIST_FIRST(&inp->sctp_asoc_list);
5182 if (stcb) {
5183 SCTP_TCB_LOCK(stcb);
5184 net = sctp_findnet(stcb, sa);
5185 }
5186 SCTP_INP_RUNLOCK(inp);
5187 } else {
5188 /* We increment here since sctp_findassociation_ep_addr() wil
5189 * do a decrement if it finds the stcb as long as the locked
5190 * tcb (last argument) is NOT a TCB.. aka NULL.
5191 */
5192 SCTP_INP_INCR_REF(inp);
5193 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL);
5194 if (stcb == NULL) {
5195 SCTP_INP_DECR_REF(inp);
5196 }
5197 }
5199 if (stcb == NULL) {
5200 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
5201 error = ENOENT;
5202 break;
5203 }
5204 if (stcb->asoc.delayed_connection == 1) {
5205 stcb->asoc.delayed_connection = 0;
5206 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
5207 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb,
5208 stcb->asoc.primary_destination,
5209 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_9);
5210 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
5211 } else {
5212 /*
5213 * already expired or did not use delayed
5214 * connectx
5215 */
5216 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
5217 error = EALREADY;
5218 }
5219 SCTP_TCB_UNLOCK(stcb);
5220 break;
5221 }
5222 case SCTP_MAX_BURST:
5223 {
5224 #if defined(__FreeBSD__) && __FreeBSD_version < 900000
5225 uint8_t *burst;
5227 SCTP_CHECK_AND_CAST(burst, optval, uint8_t, optsize);
5229 SCTP_INP_WLOCK(inp);
5230 inp->sctp_ep.max_burst = *burst;
5231 SCTP_INP_WUNLOCK(inp);
5232 #else
5233 struct sctp_assoc_value *av;
5235 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
5236 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
5238 if (stcb) {
5239 stcb->asoc.max_burst = av->assoc_value;
5240 SCTP_TCB_UNLOCK(stcb);
5241 } else {
5242 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5243 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5244 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
5245 (av->assoc_id == SCTP_ALL_ASSOC)) {
5246 SCTP_INP_WLOCK(inp);
5247 inp->sctp_ep.max_burst = av->assoc_value;
5248 SCTP_INP_WUNLOCK(inp);
5249 }
5250 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
5251 (av->assoc_id == SCTP_ALL_ASSOC)) {
5252 SCTP_INP_RLOCK(inp);
5253 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5254 SCTP_TCB_LOCK(stcb);
5255 stcb->asoc.max_burst = av->assoc_value;
5256 SCTP_TCB_UNLOCK(stcb);
5257 }
5258 SCTP_INP_RUNLOCK(inp);
5259 }
5260 }
5261 #endif
5262 break;
5263 }
5264 case SCTP_MAXSEG:
5265 {
5266 struct sctp_assoc_value *av;
5267 int ovh;
5269 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
5270 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
5272 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
5273 ovh = SCTP_MED_OVERHEAD;
5274 } else {
5275 ovh = SCTP_MED_V4_OVERHEAD;
5276 }
5277 if (stcb) {
5278 if (av->assoc_value) {
5279 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh);
5280 } else {
5281 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
5282 }
5283 SCTP_TCB_UNLOCK(stcb);
5284 } else {
5285 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5286 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5287 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
5288 SCTP_INP_WLOCK(inp);
5289 /* FIXME MT: I think this is not in tune with the API ID */
5290 if (av->assoc_value) {
5291 inp->sctp_frag_point = (av->assoc_value + ovh);
5292 } else {
5293 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
5294 }
5295 SCTP_INP_WUNLOCK(inp);
5296 } else {
5297 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5298 error = EINVAL;
5299 }
5300 }
5301 break;
5302 }
5303 case SCTP_EVENTS:
5304 {
5305 struct sctp_event_subscribe *events;
5307 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize);
5309 SCTP_INP_WLOCK(inp);
5310 if (events->sctp_data_io_event) {
5311 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
5312 } else {
5313 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
5314 }
5316 if (events->sctp_association_event) {
5317 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5318 } else {
5319 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5320 }
5322 if (events->sctp_address_event) {
5323 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
5324 } else {
5325 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
5326 }
5328 if (events->sctp_send_failure_event) {
5329 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5330 } else {
5331 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5332 }
5334 if (events->sctp_peer_error_event) {
5335 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR);
5336 } else {
5337 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR);
5338 }
5340 if (events->sctp_shutdown_event) {
5341 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5342 } else {
5343 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5344 }
5346 if (events->sctp_partial_delivery_event) {
5347 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
5348 } else {
5349 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
5350 }
5352 if (events->sctp_adaptation_layer_event) {
5353 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5354 } else {
5355 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5356 }
5358 if (events->sctp_authentication_event) {
5359 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT);
5360 } else {
5361 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT);
5362 }
5364 if (events->sctp_sender_dry_event) {
5365 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT);
5366 } else {
5367 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT);
5368 }
5370 if (events->sctp_stream_reset_event) {
5371 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5372 } else {
5373 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5374 }
5375 SCTP_INP_WUNLOCK(inp);
5377 SCTP_INP_RLOCK(inp);
5378 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5379 SCTP_TCB_LOCK(stcb);
5380 if (events->sctp_association_event) {
5381 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5382 } else {
5383 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5384 }
5385 if (events->sctp_address_event) {
5386 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
5387 } else {
5388 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
5389 }
5390 if (events->sctp_send_failure_event) {
5391 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5392 } else {
5393 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5394 }
5395 if (events->sctp_peer_error_event) {
5396 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
5397 } else {
5398 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
5399 }
5400 if (events->sctp_shutdown_event) {
5401 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5402 } else {
5403 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5404 }
5405 if (events->sctp_partial_delivery_event) {
5406 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
5407 } else {
5408 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
5409 }
5410 if (events->sctp_adaptation_layer_event) {
5411 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5412 } else {
5413 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5414 }
5415 if (events->sctp_authentication_event) {
5416 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
5417 } else {
5418 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
5419 }
5420 if (events->sctp_sender_dry_event) {
5421 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
5422 } else {
5423 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
5424 }
5425 if (events->sctp_stream_reset_event) {
5426 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5427 } else {
5428 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5429 }
5430 SCTP_TCB_UNLOCK(stcb);
5431 }
5432 /* Send up the sender dry event only for 1-to-1 style sockets. */
5433 if (events->sctp_sender_dry_event) {
5434 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5435 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
5436 stcb = LIST_FIRST(&inp->sctp_asoc_list);
5437 if (stcb) {
5438 SCTP_TCB_LOCK(stcb);
5439 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
5440 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
5441 (stcb->asoc.stream_queue_cnt == 0)) {
5442 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
5443 }
5444 SCTP_TCB_UNLOCK(stcb);
5445 }
5446 }
5447 }
5448 SCTP_INP_RUNLOCK(inp);
5449 break;
5450 }
5451 case SCTP_ADAPTATION_LAYER:
5452 {
5453 struct sctp_setadaptation *adap_bits;
5455 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize);
5456 SCTP_INP_WLOCK(inp);
5457 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind;
5458 inp->sctp_ep.adaptation_layer_indicator_provided = 1;
5459 SCTP_INP_WUNLOCK(inp);
5460 break;
5461 }
5462 #ifdef SCTP_DEBUG
5463 case SCTP_SET_INITIAL_DBG_SEQ:
5464 {
5465 uint32_t *vvv;
5467 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize);
5468 SCTP_INP_WLOCK(inp);
5469 inp->sctp_ep.initial_sequence_debug = *vvv;
5470 SCTP_INP_WUNLOCK(inp);
5471 break;
5472 }
5473 #endif
5474 case SCTP_DEFAULT_SEND_PARAM:
5475 {
5476 struct sctp_sndrcvinfo *s_info;
5478 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize);
5479 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
5481 if (stcb) {
5482 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
5483 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
5484 } else {
5485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5486 error = EINVAL;
5487 }
5488 SCTP_TCB_UNLOCK(stcb);
5489 } else {
5490 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5491 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5492 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) ||
5493 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) {
5494 SCTP_INP_WLOCK(inp);
5495 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send)));
5496 SCTP_INP_WUNLOCK(inp);
5497 }
5498 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) ||
5499 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) {
5500 SCTP_INP_RLOCK(inp);
5501 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5502 SCTP_TCB_LOCK(stcb);
5503 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
5504 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
5505 }
5506 SCTP_TCB_UNLOCK(stcb);
5507 }
5508 SCTP_INP_RUNLOCK(inp);
5509 }
5510 }
5511 break;
5512 }
5513 case SCTP_PEER_ADDR_PARAMS:
5514 {
5515 struct sctp_paddrparams *paddrp;
5516 struct sctp_nets *net;
5518 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize);
5519 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
5520 net = NULL;
5521 if (stcb) {
5522 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
5523 } else {
5524 /* We increment here since sctp_findassociation_ep_addr() wil
5525 * do a decrement if it finds the stcb as long as the locked
5526 * tcb (last argument) is NOT a TCB.. aka NULL.
5527 */
5528 SCTP_INP_INCR_REF(inp);
5529 stcb = sctp_findassociation_ep_addr(&inp,
5530 (struct sockaddr *)&paddrp->spp_address,
5531 &net, NULL, NULL);
5532 if (stcb == NULL) {
5533 SCTP_INP_DECR_REF(inp);
5534 }
5535 }
5536 if (stcb && (net == NULL)) {
5537 struct sockaddr *sa;
5539 sa = (struct sockaddr *)&paddrp->spp_address;
5540 #ifdef INET
5541 if (sa->sa_family == AF_INET) {
5543 struct sockaddr_in *sin;
5544 sin = (struct sockaddr_in *)sa;
5545 if (sin->sin_addr.s_addr) {
5546 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5547 SCTP_TCB_UNLOCK(stcb);
5548 error = EINVAL;
5549 break;
5550 }
5551 } else
5552 #endif
5553 #ifdef INET6
5554 if (sa->sa_family == AF_INET6) {
5555 struct sockaddr_in6 *sin6;
5557 sin6 = (struct sockaddr_in6 *)sa;
5558 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
5559 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5560 SCTP_TCB_UNLOCK(stcb);
5561 error = EINVAL;
5562 break;
5563 }
5564 } else
5565 #endif
5566 #if defined(__Userspace__)
5567 if (sa->sa_family == AF_CONN) {
5568 struct sockaddr_conn *sconn;
5570 sconn = (struct sockaddr_conn *)sa;
5571 if (sconn->sconn_addr != NULL) {
5572 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5573 SCTP_TCB_UNLOCK(stcb);
5574 error = EINVAL;
5575 break;
5576 }
5577 } else
5578 #endif
5579 {
5580 error = EAFNOSUPPORT;
5581 SCTP_TCB_UNLOCK(stcb);
5582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
5583 break;
5584 }
5585 }
5586 /* sanity checks */
5587 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) {
5588 if (stcb)
5589 SCTP_TCB_UNLOCK(stcb);
5590 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5591 return (EINVAL);
5592 }
5594 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) {
5595 if (stcb)
5596 SCTP_TCB_UNLOCK(stcb);
5597 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5598 return (EINVAL);
5599 }
5601 if (stcb) {
5602 /************************TCB SPECIFIC SET ******************/
5603 /*
5604 * do we change the timer for HB, we run
5605 * only one?
5606 */
5607 int ovh = 0;
5609 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
5610 ovh = SCTP_MED_OVERHEAD;
5611 } else {
5612 ovh = SCTP_MED_V4_OVERHEAD;
5613 }
5615 /* network sets ? */
5616 if (net) {
5617 /************************NET SPECIFIC SET ******************/
5618 if (paddrp->spp_flags & SPP_HB_DISABLE) {
5619 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) &&
5620 !(net->dest_state & SCTP_ADDR_NOHB)) {
5621 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5622 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
5623 }
5624 net->dest_state |= SCTP_ADDR_NOHB;
5625 }
5626 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5627 if (paddrp->spp_hbinterval) {
5628 net->heart_beat_delay = paddrp->spp_hbinterval;
5629 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5630 net->heart_beat_delay = 0;
5631 }
5632 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5633 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
5634 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5635 net->dest_state &= ~SCTP_ADDR_NOHB;
5636 }
5637 if (paddrp->spp_flags & SPP_HB_DEMAND) {
5638 /* on demand HB */
5639 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5640 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED);
5641 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5642 }
5643 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
5644 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5645 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
5646 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
5647 }
5648 net->dest_state |= SCTP_ADDR_NO_PMTUD;
5649 net->mtu = paddrp->spp_pathmtu + ovh;
5650 if (net->mtu < stcb->asoc.smallest_mtu) {
5651 sctp_pathmtu_adjustment(stcb, net->mtu);
5652 }
5653 }
5654 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5655 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5656 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
5657 }
5658 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
5659 }
5660 if (paddrp->spp_pathmaxrxt) {
5661 if (net->dest_state & SCTP_ADDR_PF) {
5662 if (net->error_count > paddrp->spp_pathmaxrxt) {
5663 net->dest_state &= ~SCTP_ADDR_PF;
5664 }
5665 } else {
5666 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
5667 (net->error_count > net->pf_threshold)) {
5668 net->dest_state |= SCTP_ADDR_PF;
5669 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5670 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
5671 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5672 }
5673 }
5674 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5675 if (net->error_count > paddrp->spp_pathmaxrxt) {
5676 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5677 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5678 }
5679 } else {
5680 if (net->error_count <= paddrp->spp_pathmaxrxt) {
5681 net->dest_state |= SCTP_ADDR_REACHABLE;
5682 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5683 }
5684 }
5685 net->failure_threshold = paddrp->spp_pathmaxrxt;
5686 }
5687 if (paddrp->spp_flags & SPP_DSCP) {
5688 net->dscp = paddrp->spp_dscp & 0xfc;
5689 net->dscp |= 0x01;
5690 }
5691 #ifdef INET6
5692 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5693 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
5694 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5695 net->flowlabel |= 0x80000000;
5696 }
5697 }
5698 #endif
5699 } else {
5700 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/
5701 if (paddrp->spp_pathmaxrxt) {
5702 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt;
5703 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5704 if (net->dest_state & SCTP_ADDR_PF) {
5705 if (net->error_count > paddrp->spp_pathmaxrxt) {
5706 net->dest_state &= ~SCTP_ADDR_PF;
5707 }
5708 } else {
5709 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
5710 (net->error_count > net->pf_threshold)) {
5711 net->dest_state |= SCTP_ADDR_PF;
5712 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5713 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
5714 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5715 }
5716 }
5717 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5718 if (net->error_count > paddrp->spp_pathmaxrxt) {
5719 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5720 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5721 }
5722 } else {
5723 if (net->error_count <= paddrp->spp_pathmaxrxt) {
5724 net->dest_state |= SCTP_ADDR_REACHABLE;
5725 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5726 }
5727 }
5728 net->failure_threshold = paddrp->spp_pathmaxrxt;
5729 }
5730 }
5732 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5733 if (paddrp->spp_hbinterval) {
5734 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval;
5735 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5736 stcb->asoc.heart_beat_delay = 0;
5737 }
5738 /* Turn back on the timer */
5739 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5740 if (paddrp->spp_hbinterval) {
5741 net->heart_beat_delay = paddrp->spp_hbinterval;
5742 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5743 net->heart_beat_delay = 0;
5744 }
5745 if (net->dest_state & SCTP_ADDR_NOHB) {
5746 net->dest_state &= ~SCTP_ADDR_NOHB;
5747 }
5748 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5749 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
5750 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5751 }
5752 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5753 }
5754 if (paddrp->spp_flags & SPP_HB_DISABLE) {
5755 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5756 if (!(net->dest_state & SCTP_ADDR_NOHB)) {
5757 net->dest_state |= SCTP_ADDR_NOHB;
5758 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
5759 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
5760 }
5761 }
5762 }
5763 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5764 }
5765 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
5766 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5767 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5768 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
5769 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
5770 }
5771 net->dest_state |= SCTP_ADDR_NO_PMTUD;
5772 net->mtu = paddrp->spp_pathmtu + ovh;
5773 if (net->mtu < stcb->asoc.smallest_mtu) {
5774 sctp_pathmtu_adjustment(stcb, net->mtu);
5775 }
5776 }
5777 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5778 }
5779 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5780 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5781 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5782 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
5783 }
5784 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
5785 }
5786 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5787 }
5788 if (paddrp->spp_flags & SPP_DSCP) {
5789 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5790 net->dscp = paddrp->spp_dscp & 0xfc;
5791 net->dscp |= 0x01;
5792 }
5793 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc;
5794 stcb->asoc.default_dscp |= 0x01;
5795 }
5796 #ifdef INET6
5797 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5798 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5799 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
5800 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5801 net->flowlabel |= 0x80000000;
5802 }
5803 }
5804 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5805 stcb->asoc.default_flowlabel |= 0x80000000;
5806 }
5807 #endif
5808 }
5809 SCTP_TCB_UNLOCK(stcb);
5810 } else {
5811 /************************NO TCB, SET TO default stuff ******************/
5812 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5813 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5814 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) {
5815 SCTP_INP_WLOCK(inp);
5816 /*
5817 * For the TOS/FLOWLABEL stuff you set it
5818 * with the options on the socket
5819 */
5820 if (paddrp->spp_pathmaxrxt) {
5821 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt;
5822 }
5824 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
5825 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
5826 else if (paddrp->spp_hbinterval) {
5827 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL)
5828 paddrp->spp_hbinterval= SCTP_MAX_HB_INTERVAL;
5829 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
5830 }
5832 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5833 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5834 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
5835 } else if (paddrp->spp_hbinterval) {
5836 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
5837 }
5838 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5839 } else if (paddrp->spp_flags & SPP_HB_DISABLE) {
5840 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5841 }
5842 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5843 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5844 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
5845 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5846 }
5847 if (paddrp->spp_flags & SPP_DSCP) {
5848 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc;
5849 inp->sctp_ep.default_dscp |= 0x01;
5850 }
5851 #ifdef INET6
5852 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5853 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
5854 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5855 inp->sctp_ep.default_flowlabel |= 0x80000000;
5856 }
5857 }
5858 #endif
5859 SCTP_INP_WUNLOCK(inp);
5860 } else {
5861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5862 error = EINVAL;
5863 }
5864 }
5865 break;
5866 }
5867 case SCTP_RTOINFO:
5868 {
5869 struct sctp_rtoinfo *srto;
5870 uint32_t new_init, new_min, new_max;
5872 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize);
5873 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
5875 if (stcb) {
5876 if (srto->srto_initial)
5877 new_init = srto->srto_initial;
5878 else
5879 new_init = stcb->asoc.initial_rto;
5880 if (srto->srto_max)
5881 new_max = srto->srto_max;
5882 else
5883 new_max = stcb->asoc.maxrto;
5884 if (srto->srto_min)
5885 new_min = srto->srto_min;
5886 else
5887 new_min = stcb->asoc.minrto;
5888 if ((new_min <= new_init) && (new_init <= new_max)) {
5889 stcb->asoc.initial_rto = new_init;
5890 stcb->asoc.maxrto = new_max;
5891 stcb->asoc.minrto = new_min;
5892 } else {
5893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5894 error = EINVAL;
5895 }
5896 SCTP_TCB_UNLOCK(stcb);
5897 } else {
5898 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5899 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5900 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) {
5901 SCTP_INP_WLOCK(inp);
5902 if (srto->srto_initial)
5903 new_init = srto->srto_initial;
5904 else
5905 new_init = inp->sctp_ep.initial_rto;
5906 if (srto->srto_max)
5907 new_max = srto->srto_max;
5908 else
5909 new_max = inp->sctp_ep.sctp_maxrto;
5910 if (srto->srto_min)
5911 new_min = srto->srto_min;
5912 else
5913 new_min = inp->sctp_ep.sctp_minrto;
5914 if ((new_min <= new_init) && (new_init <= new_max)) {
5915 inp->sctp_ep.initial_rto = new_init;
5916 inp->sctp_ep.sctp_maxrto = new_max;
5917 inp->sctp_ep.sctp_minrto = new_min;
5918 } else {
5919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5920 error = EINVAL;
5921 }
5922 SCTP_INP_WUNLOCK(inp);
5923 } else {
5924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5925 error = EINVAL;
5926 }
5927 }
5928 break;
5929 }
5930 case SCTP_ASSOCINFO:
5931 {
5932 struct sctp_assocparams *sasoc;
5934 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize);
5935 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
5936 if (sasoc->sasoc_cookie_life) {
5937 /* boundary check the cookie life */
5938 if (sasoc->sasoc_cookie_life < 1000)
5939 sasoc->sasoc_cookie_life = 1000;
5940 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) {
5941 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE;
5942 }
5943 }
5944 if (stcb) {
5945 if (sasoc->sasoc_asocmaxrxt)
5946 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
5947 if (sasoc->sasoc_cookie_life) {
5948 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
5949 }
5950 SCTP_TCB_UNLOCK(stcb);
5951 } else {
5952 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5953 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5954 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
5955 SCTP_INP_WLOCK(inp);
5956 if (sasoc->sasoc_asocmaxrxt)
5957 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
5958 if (sasoc->sasoc_cookie_life) {
5959 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
5960 }
5961 SCTP_INP_WUNLOCK(inp);
5962 } else {
5963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5964 error = EINVAL;
5965 }
5966 }
5967 break;
5968 }
5969 case SCTP_INITMSG:
5970 {
5971 struct sctp_initmsg *sinit;
5973 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize);
5974 SCTP_INP_WLOCK(inp);
5975 if (sinit->sinit_num_ostreams)
5976 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams;
5978 if (sinit->sinit_max_instreams)
5979 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams;
5981 if (sinit->sinit_max_attempts)
5982 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts;
5984 if (sinit->sinit_max_init_timeo)
5985 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo;
5986 SCTP_INP_WUNLOCK(inp);
5987 break;
5988 }
5989 case SCTP_PRIMARY_ADDR:
5990 {
5991 struct sctp_setprim *spa;
5992 struct sctp_nets *net;
5994 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize);
5995 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id);
5997 net = NULL;
5998 if (stcb) {
5999 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr);
6000 } else {
6001 /* We increment here since sctp_findassociation_ep_addr() wil
6002 * do a decrement if it finds the stcb as long as the locked
6003 * tcb (last argument) is NOT a TCB.. aka NULL.
6004 */
6005 SCTP_INP_INCR_REF(inp);
6006 stcb = sctp_findassociation_ep_addr(&inp,
6007 (struct sockaddr *)&spa->ssp_addr,
6008 &net, NULL, NULL);
6009 if (stcb == NULL) {
6010 SCTP_INP_DECR_REF(inp);
6011 }
6012 }
6014 if ((stcb) && (net)) {
6015 if ((net != stcb->asoc.primary_destination) &&
6016 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) {
6017 /* Ok we need to set it */
6018 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) {
6019 if ((stcb->asoc.alternate) &&
6020 (!(net->dest_state & SCTP_ADDR_PF)) &&
6021 (net->dest_state & SCTP_ADDR_REACHABLE)) {
6022 sctp_free_remote_addr(stcb->asoc.alternate);
6023 stcb->asoc.alternate = NULL;
6024 }
6025 }
6026 }
6027 } else {
6028 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6029 error = EINVAL;
6030 }
6031 if (stcb) {
6032 SCTP_TCB_UNLOCK(stcb);
6033 }
6034 break;
6035 }
6036 case SCTP_SET_DYNAMIC_PRIMARY:
6037 {
6038 union sctp_sockstore *ss;
6039 #ifdef SCTP_MVRF
6040 int i, fnd = 0;
6041 #endif
6042 #if !defined(__Windows__) && !defined(__Userspace__)
6043 #if defined(__APPLE__)
6044 struct proc *proc;
6045 #endif
6046 #ifdef __FreeBSD__
6047 #if __FreeBSD_version > 602000
6048 error = priv_check(curthread,
6049 PRIV_NETINET_RESERVEDPORT);
6050 #elif __FreeBSD_version >= 500000
6051 error = suser((struct thread *)p);
6052 #else
6053 error = suser(p);
6054 #endif
6055 #elif defined(__APPLE__)
6056 proc = (struct proc *)p;
6057 if (p) {
6058 error = suser(proc->p_ucred, &proc->p_acflag);
6059 } else {
6060 break;
6061 }
6062 #else
6063 error = suser(p, 0);
6064 #endif
6065 #endif
6066 if (error)
6067 break;
6069 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize);
6070 /* SUPER USER CHECK? */
6071 #ifdef SCTP_MVRF
6072 for (i = 0; i < inp->num_vrfs; i++) {
6073 if (vrf_id == inp->m_vrf_ids[i]) {
6074 fnd = 1;
6075 break;
6076 }
6077 }
6078 if (!fnd) {
6079 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6080 error = EINVAL;
6081 break;
6082 }
6083 #endif
6084 error = sctp_dynamic_set_primary(&ss->sa, vrf_id);
6085 break;
6086 }
6087 case SCTP_SET_PEER_PRIMARY_ADDR:
6088 {
6089 struct sctp_setpeerprim *sspp;
6091 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize);
6092 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id);
6093 if (stcb != NULL) {
6094 struct sctp_ifa *ifa;
6095 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr,
6096 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED);
6097 if (ifa == NULL) {
6098 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6099 error = EINVAL;
6100 goto out_of_it;
6101 }
6102 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
6103 /* Must validate the ifa found is in our ep */
6104 struct sctp_laddr *laddr;
6105 int found = 0;
6106 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
6107 if (laddr->ifa == NULL) {
6108 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n",
6109 __FUNCTION__);
6110 continue;
6111 }
6112 if (laddr->ifa == ifa) {
6113 found = 1;
6114 break;
6115 }
6116 }
6117 if (!found) {
6118 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6119 error = EINVAL;
6120 goto out_of_it;
6121 }
6122 }
6123 if (sctp_set_primary_ip_address_sa(stcb,
6124 (struct sockaddr *)&sspp->sspp_addr) != 0) {
6125 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6126 error = EINVAL;
6127 }
6128 out_of_it:
6129 SCTP_TCB_UNLOCK(stcb);
6130 } else {
6131 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6132 error = EINVAL;
6133 }
6134 break;
6135 }
6136 case SCTP_BINDX_ADD_ADDR:
6137 {
6138 struct sctp_getaddresses *addrs;
6139 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
6140 struct thread *td;
6142 td = (struct thread *)p;
6143 #endif
6144 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses,
6145 optsize);
6146 #ifdef INET
6147 if (addrs->addr->sa_family == AF_INET) {
6148 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
6149 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6150 error = EINVAL;
6151 break;
6152 }
6153 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
6154 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
6155 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6156 break;
6157 }
6158 #endif
6159 } else
6160 #endif
6161 #ifdef INET6
6162 if (addrs->addr->sa_family == AF_INET6) {
6163 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
6164 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6165 error = EINVAL;
6166 break;
6167 }
6168 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
6169 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
6170 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
6171 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6172 break;
6173 }
6174 #endif
6175 } else
6176 #endif
6177 {
6178 error = EAFNOSUPPORT;
6179 break;
6180 }
6181 sctp_bindx_add_address(so, inp, addrs->addr,
6182 addrs->sget_assoc_id, vrf_id,
6183 &error, p);
6184 break;
6185 }
6186 case SCTP_BINDX_REM_ADDR:
6187 {
6188 struct sctp_getaddresses *addrs;
6189 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
6190 struct thread *td;
6191 td = (struct thread *)p;
6193 #endif
6194 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize);
6195 #ifdef INET
6196 if (addrs->addr->sa_family == AF_INET) {
6197 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
6198 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6199 error = EINVAL;
6200 break;
6201 }
6202 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
6203 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
6204 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6205 break;
6206 }
6207 #endif
6208 } else
6209 #endif
6210 #ifdef INET6
6211 if (addrs->addr->sa_family == AF_INET6) {
6212 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
6213 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6214 error = EINVAL;
6215 break;
6216 }
6217 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
6218 if (td != NULL &&
6219 (error = prison_local_ip6(td->td_ucred,
6220 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
6221 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
6222 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6223 break;
6224 }
6225 #endif
6226 } else
6227 #endif
6228 {
6229 error = EAFNOSUPPORT;
6230 break;
6231 }
6232 sctp_bindx_delete_address(inp, addrs->addr,
6233 addrs->sget_assoc_id, vrf_id,
6234 &error);
6235 break;
6236 }
6237 #ifdef __APPLE__
6238 case SCTP_LISTEN_FIX:
6239 /* only applies to one-to-many sockets */
6240 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
6241 /* make sure the ACCEPTCONN flag is OFF */
6242 so->so_options &= ~SO_ACCEPTCONN;
6243 } else {
6244 /* otherwise, not allowed */
6245 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6246 error = EINVAL;
6247 }
6248 break;
6249 #endif /* __APPLE__ */
6250 case SCTP_EVENT:
6251 {
6252 struct sctp_event *event;
6253 uint32_t event_type;
6255 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize);
6256 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
6257 switch (event->se_type) {
6258 case SCTP_ASSOC_CHANGE:
6259 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
6260 break;
6261 case SCTP_PEER_ADDR_CHANGE:
6262 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
6263 break;
6264 case SCTP_REMOTE_ERROR:
6265 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
6266 break;
6267 case SCTP_SEND_FAILED:
6268 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
6269 break;
6270 case SCTP_SHUTDOWN_EVENT:
6271 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
6272 break;
6273 case SCTP_ADAPTATION_INDICATION:
6274 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
6275 break;
6276 case SCTP_PARTIAL_DELIVERY_EVENT:
6277 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
6278 break;
6279 case SCTP_AUTHENTICATION_EVENT:
6280 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
6281 break;
6282 case SCTP_STREAM_RESET_EVENT:
6283 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
6284 break;
6285 case SCTP_SENDER_DRY_EVENT:
6286 event_type = SCTP_PCB_FLAGS_DRYEVNT;
6287 break;
6288 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
6289 event_type = 0;
6290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
6291 error = ENOTSUP;
6292 break;
6293 case SCTP_ASSOC_RESET_EVENT:
6294 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
6295 break;
6296 case SCTP_STREAM_CHANGE_EVENT:
6297 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
6298 break;
6299 case SCTP_SEND_FAILED_EVENT:
6300 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
6301 break;
6302 default:
6303 event_type = 0;
6304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6305 error = EINVAL;
6306 break;
6307 }
6308 if (event_type > 0) {
6309 if (stcb) {
6310 if (event->se_on) {
6311 sctp_stcb_feature_on(inp, stcb, event_type);
6312 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) {
6313 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
6314 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
6315 (stcb->asoc.stream_queue_cnt == 0)) {
6316 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
6317 }
6318 }
6319 } else {
6320 sctp_stcb_feature_off(inp, stcb, event_type);
6321 }
6322 SCTP_TCB_UNLOCK(stcb);
6323 } else {
6324 /*
6325 * We don't want to send up a storm of events,
6326 * so return an error for sender dry events
6327 */
6328 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) &&
6329 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) &&
6330 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) &&
6331 ((event->se_assoc_id == SCTP_ALL_ASSOC) ||
6332 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) {
6333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
6334 error = ENOTSUP;
6335 break;
6336 }
6337 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6338 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6339 (event->se_assoc_id == SCTP_FUTURE_ASSOC) ||
6340 (event->se_assoc_id == SCTP_ALL_ASSOC)) {
6341 SCTP_INP_WLOCK(inp);
6342 if (event->se_on) {
6343 sctp_feature_on(inp, event_type);
6344 } else {
6345 sctp_feature_off(inp, event_type);
6346 }
6347 SCTP_INP_WUNLOCK(inp);
6348 }
6349 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) ||
6350 (event->se_assoc_id == SCTP_ALL_ASSOC)) {
6351 SCTP_INP_RLOCK(inp);
6352 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6353 SCTP_TCB_LOCK(stcb);
6354 if (event->se_on) {
6355 sctp_stcb_feature_on(inp, stcb, event_type);
6356 } else {
6357 sctp_stcb_feature_off(inp, stcb, event_type);
6358 }
6359 SCTP_TCB_UNLOCK(stcb);
6360 }
6361 SCTP_INP_RUNLOCK(inp);
6362 }
6363 }
6364 }
6365 break;
6366 }
6367 case SCTP_RECVRCVINFO:
6368 {
6369 int *onoff;
6371 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
6372 SCTP_INP_WLOCK(inp);
6373 if (*onoff != 0) {
6374 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
6375 } else {
6376 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
6377 }
6378 SCTP_INP_WUNLOCK(inp);
6379 break;
6380 }
6381 case SCTP_RECVNXTINFO:
6382 {
6383 int *onoff;
6385 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
6386 SCTP_INP_WLOCK(inp);
6387 if (*onoff != 0) {
6388 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
6389 } else {
6390 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
6391 }
6392 SCTP_INP_WUNLOCK(inp);
6393 break;
6394 }
6395 case SCTP_DEFAULT_SNDINFO:
6396 {
6397 struct sctp_sndinfo *info;
6398 uint16_t policy;
6400 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize);
6401 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
6403 if (stcb) {
6404 if (info->snd_sid < stcb->asoc.streamoutcnt) {
6405 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
6406 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
6407 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
6408 stcb->asoc.def_send.sinfo_flags |= policy;
6409 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
6410 stcb->asoc.def_send.sinfo_context = info->snd_context;
6411 } else {
6412 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6413 error = EINVAL;
6414 }
6415 SCTP_TCB_UNLOCK(stcb);
6416 } else {
6417 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6418 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6419 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) ||
6420 (info->snd_assoc_id == SCTP_ALL_ASSOC)) {
6421 SCTP_INP_WLOCK(inp);
6422 inp->def_send.sinfo_stream = info->snd_sid;
6423 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
6424 inp->def_send.sinfo_flags = info->snd_flags;
6425 inp->def_send.sinfo_flags |= policy;
6426 inp->def_send.sinfo_ppid = info->snd_ppid;
6427 inp->def_send.sinfo_context = info->snd_context;
6428 SCTP_INP_WUNLOCK(inp);
6429 }
6430 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) ||
6431 (info->snd_assoc_id == SCTP_ALL_ASSOC)) {
6432 SCTP_INP_RLOCK(inp);
6433 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6434 SCTP_TCB_LOCK(stcb);
6435 if (info->snd_sid < stcb->asoc.streamoutcnt) {
6436 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
6437 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
6438 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
6439 stcb->asoc.def_send.sinfo_flags |= policy;
6440 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
6441 stcb->asoc.def_send.sinfo_context = info->snd_context;
6442 }
6443 SCTP_TCB_UNLOCK(stcb);
6444 }
6445 SCTP_INP_RUNLOCK(inp);
6446 }
6447 }
6448 break;
6449 }
6450 case SCTP_DEFAULT_PRINFO:
6451 {
6452 struct sctp_default_prinfo *info;
6454 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize);
6455 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
6457 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) {
6458 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6459 error = EINVAL;
6460 break;
6461 }
6462 if (stcb) {
6463 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
6464 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
6465 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
6466 SCTP_TCB_UNLOCK(stcb);
6467 } else {
6468 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6469 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6470 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) ||
6471 (info->pr_assoc_id == SCTP_ALL_ASSOC)) {
6472 SCTP_INP_WLOCK(inp);
6473 inp->def_send.sinfo_flags &= 0xfff0;
6474 inp->def_send.sinfo_flags |= info->pr_policy;
6475 inp->def_send.sinfo_timetolive = info->pr_value;
6476 SCTP_INP_WUNLOCK(inp);
6477 }
6478 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) ||
6479 (info->pr_assoc_id == SCTP_ALL_ASSOC)) {
6480 SCTP_INP_RLOCK(inp);
6481 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6482 SCTP_TCB_LOCK(stcb);
6483 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
6484 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
6485 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
6486 SCTP_TCB_UNLOCK(stcb);
6487 }
6488 SCTP_INP_RUNLOCK(inp);
6489 }
6490 }
6491 break;
6492 }
6493 case SCTP_PEER_ADDR_THLDS:
6494 /* Applies to the specific association */
6495 {
6496 struct sctp_paddrthlds *thlds;
6497 struct sctp_nets *net;
6499 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize);
6500 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
6501 net = NULL;
6502 if (stcb) {
6503 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id);
6504 } else {
6505 /* We increment here since sctp_findassociation_ep_addr() wil
6506 * do a decrement if it finds the stcb as long as the locked
6507 * tcb (last argument) is NOT a TCB.. aka NULL.
6508 */
6509 SCTP_INP_INCR_REF(inp);
6510 stcb = sctp_findassociation_ep_addr(&inp,
6511 (struct sockaddr *)&thlds->spt_assoc_id,
6512 &net, NULL, NULL);
6513 if (stcb == NULL) {
6514 SCTP_INP_DECR_REF(inp);
6515 }
6516 }
6517 if (stcb && (net == NULL)) {
6518 struct sockaddr *sa;
6520 sa = (struct sockaddr *)&thlds->spt_assoc_id;
6521 #ifdef INET
6522 if (sa->sa_family == AF_INET) {
6524 struct sockaddr_in *sin;
6525 sin = (struct sockaddr_in *)sa;
6526 if (sin->sin_addr.s_addr) {
6527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6528 SCTP_TCB_UNLOCK(stcb);
6529 error = EINVAL;
6530 break;
6531 }
6532 } else
6533 #endif
6534 #ifdef INET6
6535 if (sa->sa_family == AF_INET6) {
6536 struct sockaddr_in6 *sin6;
6538 sin6 = (struct sockaddr_in6 *)sa;
6539 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
6540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6541 SCTP_TCB_UNLOCK(stcb);
6542 error = EINVAL;
6543 break;
6544 }
6545 } else
6546 #endif
6547 #if defined(__Userspace__)
6548 if (sa->sa_family == AF_CONN) {
6549 struct sockaddr_conn *sconn;
6551 sconn = (struct sockaddr_conn *)sa;
6552 if (sconn->sconn_addr != NULL) {
6553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6554 SCTP_TCB_UNLOCK(stcb);
6555 error = EINVAL;
6556 break;
6557 }
6558 } else
6559 #endif
6560 {
6561 error = EAFNOSUPPORT;
6562 SCTP_TCB_UNLOCK(stcb);
6563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6564 break;
6565 }
6566 }
6567 if (stcb) {
6568 if (net) {
6569 if (net->dest_state & SCTP_ADDR_PF) {
6570 if ((net->failure_threshold > thlds->spt_pathmaxrxt) ||
6571 (net->failure_threshold <= thlds->spt_pathpfthld)) {
6572 net->dest_state &= ~SCTP_ADDR_PF;
6573 }
6574 } else {
6575 if ((net->failure_threshold > thlds->spt_pathpfthld) &&
6576 (net->failure_threshold <= thlds->spt_pathmaxrxt)) {
6577 net->dest_state |= SCTP_ADDR_PF;
6578 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
6579 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
6580 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
6581 }
6582 }
6583 if (net->dest_state & SCTP_ADDR_REACHABLE) {
6584 if (net->failure_threshold > thlds->spt_pathmaxrxt) {
6585 net->dest_state &= ~SCTP_ADDR_REACHABLE;
6586 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
6587 }
6588 } else {
6589 if (net->failure_threshold <= thlds->spt_pathmaxrxt) {
6590 net->dest_state |= SCTP_ADDR_REACHABLE;
6591 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
6592 }
6593 }
6594 net->failure_threshold = thlds->spt_pathmaxrxt;
6595 net->pf_threshold = thlds->spt_pathpfthld;
6596 } else {
6597 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6598 if (net->dest_state & SCTP_ADDR_PF) {
6599 if ((net->failure_threshold > thlds->spt_pathmaxrxt) ||
6600 (net->failure_threshold <= thlds->spt_pathpfthld)) {
6601 net->dest_state &= ~SCTP_ADDR_PF;
6602 }
6603 } else {
6604 if ((net->failure_threshold > thlds->spt_pathpfthld) &&
6605 (net->failure_threshold <= thlds->spt_pathmaxrxt)) {
6606 net->dest_state |= SCTP_ADDR_PF;
6607 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
6608 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
6609 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
6610 }
6611 }
6612 if (net->dest_state & SCTP_ADDR_REACHABLE) {
6613 if (net->failure_threshold > thlds->spt_pathmaxrxt) {
6614 net->dest_state &= ~SCTP_ADDR_REACHABLE;
6615 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
6616 }
6617 } else {
6618 if (net->failure_threshold <= thlds->spt_pathmaxrxt) {
6619 net->dest_state |= SCTP_ADDR_REACHABLE;
6620 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
6621 }
6622 }
6623 net->failure_threshold = thlds->spt_pathmaxrxt;
6624 net->pf_threshold = thlds->spt_pathpfthld;
6625 }
6626 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt;
6627 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld;
6628 }
6629 } else {
6630 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6631 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6632 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) {
6633 SCTP_INP_WLOCK(inp);
6634 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt;
6635 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld;
6636 SCTP_INP_WUNLOCK(inp);
6637 } else {
6638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6639 error = EINVAL;
6640 }
6641 }
6642 break;
6643 }
6644 case SCTP_REMOTE_UDP_ENCAPS_PORT:
6645 {
6646 struct sctp_udpencaps *encaps;
6647 struct sctp_nets *net;
6649 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize);
6650 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
6651 if (stcb) {
6652 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address);
6653 } else {
6654 /* We increment here since sctp_findassociation_ep_addr() wil
6655 * do a decrement if it finds the stcb as long as the locked
6656 * tcb (last argument) is NOT a TCB.. aka NULL.
6657 */
6658 net = NULL;
6659 SCTP_INP_INCR_REF(inp);
6660 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL);
6661 if (stcb == NULL) {
6662 SCTP_INP_DECR_REF(inp);
6663 }
6664 }
6665 if (stcb && (net == NULL)) {
6666 struct sockaddr *sa;
6668 sa = (struct sockaddr *)&encaps->sue_address;
6669 #ifdef INET
6670 if (sa->sa_family == AF_INET) {
6672 struct sockaddr_in *sin;
6673 sin = (struct sockaddr_in *)sa;
6674 if (sin->sin_addr.s_addr) {
6675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6676 SCTP_TCB_UNLOCK(stcb);
6677 error = EINVAL;
6678 break;
6679 }
6680 } else
6681 #endif
6682 #ifdef INET6
6683 if (sa->sa_family == AF_INET6) {
6684 struct sockaddr_in6 *sin6;
6686 sin6 = (struct sockaddr_in6 *)sa;
6687 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
6688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6689 SCTP_TCB_UNLOCK(stcb);
6690 error = EINVAL;
6691 break;
6692 }
6693 } else
6694 #endif
6695 #if defined(__Userspace__)
6696 if (sa->sa_family == AF_CONN) {
6697 struct sockaddr_conn *sconn;
6699 sconn = (struct sockaddr_conn *)sa;
6700 if (sconn->sconn_addr != NULL) {
6701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6702 SCTP_TCB_UNLOCK(stcb);
6703 error = EINVAL;
6704 break;
6705 }
6706 } else
6707 #endif
6708 {
6709 error = EAFNOSUPPORT;
6710 SCTP_TCB_UNLOCK(stcb);
6711 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6712 break;
6713 }
6714 }
6716 if (stcb) {
6717 if (net) {
6718 net->port = encaps->sue_port;
6719 } else {
6720 stcb->asoc.port = encaps->sue_port;
6721 }
6722 SCTP_TCB_UNLOCK(stcb);
6723 } else {
6724 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6725 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6726 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) {
6727 SCTP_INP_WLOCK(inp);
6728 inp->sctp_ep.port = encaps->sue_port;
6729 SCTP_INP_WUNLOCK(inp);
6730 } else {
6731 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6732 error = EINVAL;
6733 }
6734 }
6735 break;
6736 }
6737 default:
6738 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
6739 error = ENOPROTOOPT;
6740 break;
6741 } /* end switch (opt) */
6742 return (error);
6743 }
6745 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
6746 int
6747 sctp_ctloutput(struct socket *so, struct sockopt *sopt)
6748 {
6749 void *optval = NULL;
6750 size_t optsize = 0;
6751 void *p;
6752 int error = 0;
6754 if (sopt->sopt_level != IPPROTO_SCTP) {
6755 /* wrong proto level... send back up to IP */
6756 #ifdef INET6
6757 if (INP_CHECK_SOCKAF(so, AF_INET6))
6758 error = ip6_ctloutput(so, sopt);
6759 #endif /* INET6 */
6760 #if defined(INET) && defined(INET6)
6761 else
6762 #endif
6763 #ifdef INET
6764 error = ip_ctloutput(so, sopt);
6765 #endif
6766 return (error);
6767 }
6768 optsize = sopt->sopt_valsize;
6769 if (optsize) {
6770 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT);
6771 if (optval == NULL) {
6772 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
6773 return (ENOBUFS);
6774 }
6775 error = sooptcopyin(sopt, optval, optsize, optsize);
6776 if (error) {
6777 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6778 goto out;
6779 }
6780 }
6781 #if (defined(__FreeBSD__) && __FreeBSD_version >= 500000) || defined(__Windows__)
6782 p = (void *)sopt->sopt_td;
6783 #else
6784 p = (void *)sopt->sopt_p;
6785 #endif
6786 if (sopt->sopt_dir == SOPT_SET) {
6787 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p);
6788 } else if (sopt->sopt_dir == SOPT_GET) {
6789 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p);
6790 } else {
6791 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6792 error = EINVAL;
6793 }
6794 if ((error == 0) && (optval != NULL)) {
6795 error = sooptcopyout(sopt, optval, optsize);
6796 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6797 } else if (optval != NULL) {
6798 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6799 }
6800 out:
6801 return (error);
6802 }
6803 #endif
6805 #ifdef INET
6806 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
6807 static int
6808 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
6809 {
6810 #else
6811 #if defined(__FreeBSD__) || defined(__APPLE__)
6812 static int
6813 sctp_connect(struct socket *so, struct sockaddr *addr, struct proc *p)
6814 {
6815 #elif defined(__Panda__) || defined(__Userspace__)
6816 int
6817 sctp_connect(struct socket *so, struct sockaddr *addr)
6818 {
6819 void *p = NULL;
6820 #elif defined(__Windows__)
6821 static int
6822 sctp_connect(struct socket *so, struct sockaddr *addr, PKTHREAD p)
6823 {
6824 #else
6825 static int
6826 sctp_connect(struct socket *so, struct mbuf *nam, struct proc *p)
6827 {
6828 struct sockaddr *addr = mtod(nam, struct sockaddr *);
6830 #endif
6831 #endif
6832 #ifdef SCTP_MVRF
6833 int i, fnd = 0;
6834 #endif
6835 int error = 0;
6836 int create_lock_on = 0;
6837 uint32_t vrf_id;
6838 struct sctp_inpcb *inp;
6839 struct sctp_tcb *stcb = NULL;
6841 inp = (struct sctp_inpcb *)so->so_pcb;
6842 if (inp == NULL) {
6843 /* I made the same as TCP since we are not setup? */
6844 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6845 return (ECONNRESET);
6846 }
6847 if (addr == NULL) {
6848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6849 return EINVAL;
6850 }
6852 #if defined(__Userspace__)
6853 /* TODO __Userspace__ falls into this code for IPv6 stuff at the moment... */
6854 #endif
6855 #if !defined(__Windows__) && !defined(__Userspace_os_Linux) && !defined(__Userspace_os_Windows)
6856 switch (addr->sa_family) {
6857 #ifdef INET6
6858 case AF_INET6:
6859 {
6860 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
6861 struct sockaddr_in6 *sin6p;
6863 #endif
6864 if (addr->sa_len != sizeof(struct sockaddr_in6)) {
6865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6866 return (EINVAL);
6867 }
6868 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
6869 sin6p = (struct sockaddr_in6 *)addr;
6870 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) {
6871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6872 return (error);
6873 }
6874 #endif
6875 break;
6876 }
6877 #endif
6878 #ifdef INET
6879 case AF_INET:
6880 {
6881 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
6882 struct sockaddr_in *sinp;
6884 #endif
6885 #if !defined(__Userspace_os_Windows)
6886 if (addr->sa_len != sizeof(struct sockaddr_in)) {
6887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6888 return (EINVAL);
6889 }
6890 #endif
6891 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
6892 sinp = (struct sockaddr_in *)addr;
6893 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) {
6894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6895 return (error);
6896 }
6897 #endif
6898 break;
6899 }
6900 #endif
6901 default:
6902 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
6903 return (EAFNOSUPPORT);
6904 }
6905 #endif
6906 SCTP_INP_INCR_REF(inp);
6907 SCTP_ASOC_CREATE_LOCK(inp);
6908 create_lock_on = 1;
6911 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
6912 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
6913 /* Should I really unlock ? */
6914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
6915 error = EFAULT;
6916 goto out_now;
6917 }
6918 #ifdef INET6
6919 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
6920 (addr->sa_family == AF_INET6)) {
6921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6922 error = EINVAL;
6923 goto out_now;
6924 }
6925 #endif
6926 #if defined(__Userspace__)
6927 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) &&
6928 (addr->sa_family != AF_CONN)) {
6929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6930 error = EINVAL;
6931 goto out_now;
6932 }
6933 #endif
6934 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
6935 SCTP_PCB_FLAGS_UNBOUND) {
6936 /* Bind a ephemeral port */
6937 error = sctp_inpcb_bind(so, NULL, NULL, p);
6938 if (error) {
6939 goto out_now;
6940 }
6941 }
6942 /* Now do we connect? */
6943 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
6944 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
6945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6946 error = EINVAL;
6947 goto out_now;
6948 }
6949 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
6950 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
6951 /* We are already connected AND the TCP model */
6952 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
6953 error = EADDRINUSE;
6954 goto out_now;
6955 }
6956 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
6957 SCTP_INP_RLOCK(inp);
6958 stcb = LIST_FIRST(&inp->sctp_asoc_list);
6959 SCTP_INP_RUNLOCK(inp);
6960 } else {
6961 /* We increment here since sctp_findassociation_ep_addr() will
6962 * do a decrement if it finds the stcb as long as the locked
6963 * tcb (last argument) is NOT a TCB.. aka NULL.
6964 */
6965 SCTP_INP_INCR_REF(inp);
6966 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
6967 if (stcb == NULL) {
6968 SCTP_INP_DECR_REF(inp);
6969 } else {
6970 SCTP_TCB_UNLOCK(stcb);
6971 }
6972 }
6973 if (stcb != NULL) {
6974 /* Already have or am bring up an association */
6975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
6976 error = EALREADY;
6977 goto out_now;
6978 }
6980 vrf_id = inp->def_vrf_id;
6981 #ifdef SCTP_MVRF
6982 for (i = 0; i < inp->num_vrfs; i++) {
6983 if (vrf_id == inp->m_vrf_ids[i]) {
6984 fnd = 1;
6985 break;
6986 }
6987 }
6988 if (!fnd) {
6989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6990 error = EINVAL;
6991 goto out_now;
6992 }
6993 #endif
6994 /* We are GOOD to go */
6995 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p);
6996 if (stcb == NULL) {
6997 /* Gak! no memory */
6998 goto out_now;
6999 }
7000 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
7001 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
7002 /* Set the connected flag so we can queue data */
7003 soisconnecting(so);
7004 }
7005 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
7006 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
7008 /* initialize authentication parameters for the assoc */
7009 sctp_initialize_auth_params(inp, stcb);
7011 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
7012 SCTP_TCB_UNLOCK(stcb);
7013 out_now:
7014 if (create_lock_on) {
7015 SCTP_ASOC_CREATE_UNLOCK(inp);
7016 }
7018 SCTP_INP_DECR_REF(inp);
7019 return (error);
7020 }
7021 #endif
7023 #if defined(__Userspace__)
7024 int
7025 sctpconn_connect(struct socket *so, struct sockaddr *addr)
7026 {
7027 #ifdef SCTP_MVRF
7028 int i, fnd = 0;
7029 #endif
7030 void *p = NULL;
7031 int error = 0;
7032 int create_lock_on = 0;
7033 uint32_t vrf_id;
7034 struct sctp_inpcb *inp;
7035 struct sctp_tcb *stcb = NULL;
7037 inp = (struct sctp_inpcb *)so->so_pcb;
7038 if (inp == NULL) {
7039 /* I made the same as TCP since we are not setup? */
7040 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7041 return (ECONNRESET);
7042 }
7043 if (addr == NULL) {
7044 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7045 return EINVAL;
7046 }
7047 switch (addr->sa_family) {
7048 #ifdef INET
7049 case AF_INET:
7050 #ifdef HAVE_SA_LEN
7051 if (addr->sa_len != sizeof(struct sockaddr_in)) {
7052 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7053 return (EINVAL);
7054 }
7055 #endif
7056 break;
7057 #endif
7058 #ifdef INET6
7059 case AF_INET6:
7060 #ifdef HAVE_SA_LEN
7061 if (addr->sa_len != sizeof(struct sockaddr_in6)) {
7062 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7063 return (EINVAL);
7064 }
7065 #endif
7066 break;
7067 #endif
7068 case AF_CONN:
7069 #ifdef HAVE_SA_LEN
7070 if (addr->sa_len != sizeof(struct sockaddr_conn)) {
7071 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7072 return (EINVAL);
7073 }
7074 #endif
7075 break;
7076 default:
7077 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
7078 return (EAFNOSUPPORT);
7079 }
7080 SCTP_INP_INCR_REF(inp);
7081 SCTP_ASOC_CREATE_LOCK(inp);
7082 create_lock_on = 1;
7085 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
7086 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
7087 /* Should I really unlock ? */
7088 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
7089 error = EFAULT;
7090 goto out_now;
7091 }
7092 #ifdef INET6
7093 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
7094 (addr->sa_family == AF_INET6)) {
7095 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7096 error = EINVAL;
7097 goto out_now;
7098 }
7099 #endif
7100 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == SCTP_PCB_FLAGS_UNBOUND) {
7101 /* Bind a ephemeral port */
7102 error = sctp_inpcb_bind(so, NULL, NULL, p);
7103 if (error) {
7104 goto out_now;
7105 }
7106 }
7107 /* Now do we connect? */
7108 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
7109 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
7110 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7111 error = EINVAL;
7112 goto out_now;
7113 }
7114 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
7115 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
7116 /* We are already connected AND the TCP model */
7117 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
7118 error = EADDRINUSE;
7119 goto out_now;
7120 }
7121 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
7122 SCTP_INP_RLOCK(inp);
7123 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7124 SCTP_INP_RUNLOCK(inp);
7125 } else {
7126 /* We increment here since sctp_findassociation_ep_addr() will
7127 * do a decrement if it finds the stcb as long as the locked
7128 * tcb (last argument) is NOT a TCB.. aka NULL.
7129 */
7130 SCTP_INP_INCR_REF(inp);
7131 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
7132 if (stcb == NULL) {
7133 SCTP_INP_DECR_REF(inp);
7134 } else {
7135 SCTP_TCB_UNLOCK(stcb);
7136 }
7137 }
7138 if (stcb != NULL) {
7139 /* Already have or am bring up an association */
7140 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
7141 error = EALREADY;
7142 goto out_now;
7143 }
7145 vrf_id = inp->def_vrf_id;
7146 #ifdef SCTP_MVRF
7147 for (i = 0; i < inp->num_vrfs; i++) {
7148 if (vrf_id == inp->m_vrf_ids[i]) {
7149 fnd = 1;
7150 break;
7151 }
7152 }
7153 if (!fnd) {
7154 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7155 error = EINVAL;
7156 goto out_now;
7157 }
7158 #endif
7159 /* We are GOOD to go */
7160 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p);
7161 if (stcb == NULL) {
7162 /* Gak! no memory */
7163 goto out_now;
7164 }
7165 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
7166 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
7167 /* Set the connected flag so we can queue data */
7168 soisconnecting(so);
7169 }
7170 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
7171 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
7173 /* initialize authentication parameters for the assoc */
7174 sctp_initialize_auth_params(inp, stcb);
7176 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
7177 SCTP_TCB_UNLOCK(stcb);
7178 out_now:
7179 if (create_lock_on) {
7180 SCTP_ASOC_CREATE_UNLOCK(inp);
7181 }
7183 SCTP_INP_DECR_REF(inp);
7184 return (error);
7185 }
7186 #endif
7187 int
7188 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
7189 #if __FreeBSD_version >= 700000
7190 sctp_listen(struct socket *so, int backlog, struct thread *p)
7191 #else
7192 sctp_listen(struct socket *so, struct thread *p)
7193 #endif
7194 #elif defined(__Windows__)
7195 sctp_listen(struct socket *so, int backlog, PKTHREAD p)
7196 #elif defined(__Userspace__)
7197 sctp_listen(struct socket *so, int backlog, struct proc *p)
7198 #else
7199 sctp_listen(struct socket *so, struct proc *p)
7200 #endif
7201 {
7202 /*
7203 * Note this module depends on the protocol processing being called
7204 * AFTER any socket level flags and backlog are applied to the
7205 * socket. The traditional way that the socket flags are applied is
7206 * AFTER protocol processing. We have made a change to the
7207 * sys/kern/uipc_socket.c module to reverse this but this MUST be in
7208 * place if the socket API for SCTP is to work properly.
7209 */
7211 int error = 0;
7212 struct sctp_inpcb *inp;
7214 inp = (struct sctp_inpcb *)so->so_pcb;
7215 if (inp == NULL) {
7216 /* I made the same as TCP since we are not setup? */
7217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7218 return (ECONNRESET);
7219 }
7220 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) {
7221 /* See if we have a listener */
7222 struct sctp_inpcb *tinp;
7223 union sctp_sockstore store, *sp;
7225 sp = &store;
7226 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
7227 /* not bound all */
7228 struct sctp_laddr *laddr;
7230 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
7231 memcpy(&store, &laddr->ifa->address, sizeof(store));
7232 switch (sp->sa.sa_family) {
7233 #ifdef INET
7234 case AF_INET:
7235 sp->sin.sin_port = inp->sctp_lport;
7236 break;
7237 #endif
7238 #ifdef INET6
7239 case AF_INET6:
7240 sp->sin6.sin6_port = inp->sctp_lport;
7241 break;
7242 #endif
7243 #if defined(__Userspace__)
7244 case AF_CONN:
7245 sp->sconn.sconn_port = inp->sctp_lport;
7246 break;
7247 #endif
7248 default:
7249 break;
7250 }
7251 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id);
7252 if (tinp && (tinp != inp) &&
7253 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
7254 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
7255 (tinp->sctp_socket->so_qlimit)) {
7256 /* we have a listener already and its not this inp. */
7257 SCTP_INP_DECR_REF(tinp);
7258 return (EADDRINUSE);
7259 } else if (tinp) {
7260 SCTP_INP_DECR_REF(tinp);
7261 }
7262 }
7263 } else {
7264 /* Setup a local addr bound all */
7265 memset(&store, 0, sizeof(store));
7266 switch (sp->sa.sa_family) {
7267 #ifdef INET
7268 case AF_INET:
7269 store.sin.sin_port = inp->sctp_lport;
7270 break;
7271 #endif
7272 #ifdef INET6
7273 case AF_INET6:
7274 sp->sin6.sin6_port = inp->sctp_lport;
7275 break;
7276 #endif
7277 #if defined(__Userspace__)
7278 case AF_CONN:
7279 sp->sconn.sconn_port = inp->sctp_lport;
7280 break;
7281 #endif
7282 default:
7283 break;
7284 }
7285 #ifdef INET6
7286 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
7287 store.sa.sa_family = AF_INET6;
7288 #ifdef HAVE_SA_LEN
7289 store.sa.sa_len = sizeof(struct sockaddr_in6);
7290 #endif
7291 }
7292 #endif
7293 #ifdef INET
7294 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {
7295 store.sa.sa_family = AF_INET;
7296 #ifdef HAVE_SA_LEN
7297 store.sa.sa_len = sizeof(struct sockaddr_in);
7298 #endif
7299 }
7300 #endif
7301 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id);
7302 if (tinp && (tinp != inp) &&
7303 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
7304 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
7305 (tinp->sctp_socket->so_qlimit)) {
7306 /* we have a listener already and its not this inp. */
7307 SCTP_INP_DECR_REF(tinp);
7308 return (EADDRINUSE);
7309 } else if (tinp) {
7310 SCTP_INP_DECR_REF(inp);
7311 }
7312 }
7313 }
7314 SCTP_INP_RLOCK(inp);
7315 #ifdef SCTP_LOCK_LOGGING
7316 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) {
7317 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
7318 }
7319 #endif
7320 SOCK_LOCK(so);
7321 #if (defined(__FreeBSD__) && __FreeBSD_version > 500000) || defined(__Userspace__)
7322 error = solisten_proto_check(so);
7323 if (error) {
7324 SOCK_UNLOCK(so);
7325 SCTP_INP_RUNLOCK(inp);
7326 return (error);
7327 }
7328 #endif
7329 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&
7330 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
7331 /* The unlucky case
7332 * - We are in the tcp pool with this guy.
7333 * - Someone else is in the main inp slot.
7334 * - We must move this guy (the listener) to the main slot
7335 * - We must then move the guy that was listener to the TCP Pool.
7336 */
7337 if (sctp_swap_inpcb_for_listen(inp)) {
7338 goto in_use;
7339 }
7340 }
7342 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
7343 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
7344 /* We are already connected AND the TCP model */
7345 in_use:
7346 SCTP_INP_RUNLOCK(inp);
7347 SOCK_UNLOCK(so);
7348 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
7349 return (EADDRINUSE);
7350 }
7351 SCTP_INP_RUNLOCK(inp);
7352 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
7353 /* We must do a bind. */
7354 SOCK_UNLOCK(so);
7355 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) {
7356 /* bind error, probably perm */
7357 return (error);
7358 }
7359 SOCK_LOCK(so);
7360 }
7361 #if (defined(__FreeBSD__) && __FreeBSD_version > 500000) || defined(__Windows__) || defined(__Userspace__)
7362 #if __FreeBSD_version >= 700000 || defined(__Windows__) || defined(__Userspace__)
7363 /* It appears for 7.0 and on, we must always call this. */
7364 solisten_proto(so, backlog);
7365 #else
7366 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) {
7367 solisten_proto(so);
7368 }
7369 #endif
7370 #endif
7371 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
7372 /* remove the ACCEPTCONN flag for one-to-many sockets */
7373 #if defined(__Userspace__)
7374 so->so_options &= ~SCTP_SO_ACCEPTCONN;
7375 #else
7376 so->so_options &= ~SO_ACCEPTCONN;
7377 #endif
7378 }
7380 #if __FreeBSD_version >= 700000 || defined(__Windows__) || defined(__Userspace__)
7381 if (backlog == 0) {
7382 /* turning off listen */
7383 #if defined(__Userspace__)
7384 so->so_options &= ~SCTP_SO_ACCEPTCONN;
7385 #else
7386 so->so_options &= ~SO_ACCEPTCONN;
7387 #endif
7388 }
7389 #endif
7390 SOCK_UNLOCK(so);
7391 return (error);
7392 }
7394 static int sctp_defered_wakeup_cnt = 0;
7396 int
7397 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
7398 sctp_accept(struct socket *so, struct sockaddr **addr)
7399 {
7400 #elif defined(__Panda__)
7401 sctp_accept(struct socket *so, struct sockaddr *addr, int *namelen,
7402 void *accept_info, int *accept_info_len)
7403 {
7404 #else
7405 sctp_accept(struct socket *so, struct mbuf *nam)
7406 {
7407 struct sockaddr *addr = mtod(nam, struct sockaddr *);
7408 #endif
7409 struct sctp_tcb *stcb;
7410 struct sctp_inpcb *inp;
7411 union sctp_sockstore store;
7412 #ifdef INET6
7413 #ifdef SCTP_KAME
7414 int error;
7415 #endif /* SCTP_KAME */
7416 #endif
7417 inp = (struct sctp_inpcb *)so->so_pcb;
7419 if (inp == NULL) {
7420 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7421 return (ECONNRESET);
7422 }
7423 SCTP_INP_RLOCK(inp);
7424 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
7425 SCTP_INP_RUNLOCK(inp);
7426 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
7427 return (EOPNOTSUPP);
7428 }
7429 if (so->so_state & SS_ISDISCONNECTED) {
7430 SCTP_INP_RUNLOCK(inp);
7431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED);
7432 return (ECONNABORTED);
7433 }
7434 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7435 if (stcb == NULL) {
7436 SCTP_INP_RUNLOCK(inp);
7437 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7438 return (ECONNRESET);
7439 }
7440 SCTP_TCB_LOCK(stcb);
7441 SCTP_INP_RUNLOCK(inp);
7442 store = stcb->asoc.primary_destination->ro._l_addr;
7443 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE;
7444 SCTP_TCB_UNLOCK(stcb);
7445 switch (store.sa.sa_family) {
7446 #ifdef INET
7447 case AF_INET:
7448 {
7449 struct sockaddr_in *sin;
7451 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
7452 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7453 if (sin == NULL)
7454 return (ENOMEM);
7455 #else
7456 sin = (struct sockaddr_in *)addr;
7457 bzero((caddr_t)sin, sizeof(*sin));
7458 #endif
7459 sin->sin_family = AF_INET;
7460 #ifdef HAVE_SIN_LEN
7461 sin->sin_len = sizeof(*sin);
7462 #endif
7463 sin->sin_port = store.sin.sin_port;
7464 sin->sin_addr = store.sin.sin_addr;
7465 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
7466 *addr = (struct sockaddr *)sin;
7467 #elif !defined(__Panda__)
7468 SCTP_BUF_LEN(nam) = sizeof(*sin);
7469 #endif
7470 break;
7471 }
7472 #endif
7473 #ifdef INET6
7474 case AF_INET6:
7475 {
7476 struct sockaddr_in6 *sin6;
7478 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
7479 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
7480 if (sin6 == NULL)
7481 return (ENOMEM);
7482 #else
7483 sin6 = (struct sockaddr_in6 *)addr;
7484 bzero((caddr_t)sin6, sizeof(*sin6));
7485 #endif
7486 sin6->sin6_family = AF_INET6;
7487 #ifdef HAVE_SIN6_LEN
7488 sin6->sin6_len = sizeof(*sin6);
7489 #endif
7490 sin6->sin6_port = store.sin6.sin6_port;
7491 sin6->sin6_addr = store.sin6.sin6_addr;
7492 #if defined(SCTP_EMBEDDED_V6_SCOPE)
7493 #ifdef SCTP_KAME
7494 if ((error = sa6_recoverscope(sin6)) != 0) {
7495 SCTP_FREE_SONAME(sin6);
7496 return (error);
7497 }
7498 #else
7499 if (IN6_IS_SCOPE_LINKLOCAL(&sin6->sin6_addr))
7500 /*
7501 * sin6->sin6_scope_id =
7502 * ntohs(sin6->sin6_addr.s6_addr16[1]);
7503 */
7504 in6_recoverscope(sin6, &sin6->sin6_addr, NULL); /* skip ifp check */
7505 else
7506 sin6->sin6_scope_id = 0; /* XXX */
7507 #endif /* SCTP_KAME */
7508 #endif /* SCTP_EMBEDDED_V6_SCOPE */
7509 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
7510 *addr = (struct sockaddr *)sin6;
7511 #elif !defined(__Panda__)
7512 SCTP_BUF_LEN(nam) = sizeof(*sin6);
7513 #endif
7514 break;
7515 }
7516 #endif
7517 #if defined(__Userspace__)
7518 case AF_CONN:
7519 {
7520 struct sockaddr_conn *sconn;
7522 SCTP_MALLOC_SONAME(sconn, struct sockaddr_conn *, sizeof(struct sockaddr_conn));
7523 if (sconn == NULL) {
7524 return (ENOMEM);
7525 }
7526 sconn->sconn_family = AF_CONN;
7527 #ifdef HAVE_SCONN_LEN
7528 sconn->sconn_len = sizeof(struct sockaddr_conn);
7529 #endif
7530 sconn->sconn_port = store.sconn.sconn_port;
7531 sconn->sconn_addr = store.sconn.sconn_addr;
7532 *addr = (struct sockaddr *)sconn;
7533 break;
7534 }
7535 #endif
7536 default:
7537 /* TSNH */
7538 break;
7539 }
7540 /* Wake any delayed sleep action */
7541 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
7542 SCTP_INP_WLOCK(inp);
7543 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
7544 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
7545 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
7546 SCTP_INP_WUNLOCK(inp);
7547 SOCKBUF_LOCK(&inp->sctp_socket->so_snd);
7548 if (sowriteable(inp->sctp_socket)) {
7549 #if defined(__Userspace__)
7550 /*__Userspace__ calling sowwakup_locked because of SOCKBUF_LOCK above. */
7551 #endif
7552 #if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__)
7553 sowwakeup_locked(inp->sctp_socket);
7554 #else
7555 #if defined(__APPLE__)
7556 /* socket is locked */
7557 #endif
7558 sowwakeup(inp->sctp_socket);
7559 #endif
7560 } else {
7561 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd);
7562 }
7563 SCTP_INP_WLOCK(inp);
7564 }
7565 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
7566 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
7567 SCTP_INP_WUNLOCK(inp);
7568 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv);
7569 if (soreadable(inp->sctp_socket)) {
7570 sctp_defered_wakeup_cnt++;
7571 #if defined(__Userspace__)
7572 /*__Userspace__ calling sorwakup_locked because of SOCKBUF_LOCK above */
7573 #endif
7574 #if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__)
7575 sorwakeup_locked(inp->sctp_socket);
7576 #else
7577 #if defined(__APPLE__)
7578 /* socket is locked */
7579 #endif
7580 sorwakeup(inp->sctp_socket);
7581 #endif
7582 } else {
7583 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv);
7584 }
7585 SCTP_INP_WLOCK(inp);
7586 }
7587 SCTP_INP_WUNLOCK(inp);
7588 }
7589 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
7590 SCTP_TCB_LOCK(stcb);
7591 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_7);
7592 }
7593 return (0);
7594 }
7596 #ifdef INET
7597 int
7598 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
7599 sctp_ingetaddr(struct socket *so, struct sockaddr **addr)
7600 {
7601 struct sockaddr_in *sin;
7602 #elif defined(__Panda__)
7603 sctp_ingetaddr(struct socket *so, struct sockaddr *addr)
7604 {
7605 struct sockaddr_in *sin = (struct sockaddr_in *)addr;
7606 #else
7607 sctp_ingetaddr(struct socket *so, struct mbuf *nam)
7608 {
7609 struct sockaddr_in *sin = mtod(nam, struct sockaddr_in *);
7610 #endif
7611 uint32_t vrf_id;
7612 struct sctp_inpcb *inp;
7613 struct sctp_ifa *sctp_ifa;
7615 /*
7616 * Do the malloc first in case it blocks.
7617 */
7618 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
7619 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7620 if (sin == NULL)
7621 return (ENOMEM);
7622 #elif defined(__Panda__)
7623 bzero(sin, sizeof(*sin));
7624 #else
7625 SCTP_BUF_LEN(nam) = sizeof(*sin);
7626 memset(sin, 0, sizeof(*sin));
7627 #endif
7628 sin->sin_family = AF_INET;
7629 #ifdef HAVE_SIN_LEN
7630 sin->sin_len = sizeof(*sin);
7631 #endif
7632 inp = (struct sctp_inpcb *)so->so_pcb;
7633 if (!inp) {
7634 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
7635 SCTP_FREE_SONAME(sin);
7636 #endif
7637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7638 return (ECONNRESET);
7639 }
7640 SCTP_INP_RLOCK(inp);
7641 sin->sin_port = inp->sctp_lport;
7642 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
7643 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
7644 struct sctp_tcb *stcb;
7645 struct sockaddr_in *sin_a;
7646 struct sctp_nets *net;
7647 int fnd;
7649 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7650 if (stcb == NULL) {
7651 goto notConn;
7652 }
7653 fnd = 0;
7654 sin_a = NULL;
7655 SCTP_TCB_LOCK(stcb);
7656 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
7657 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
7658 if (sin_a == NULL)
7659 /* this will make coverity happy */
7660 continue;
7662 if (sin_a->sin_family == AF_INET) {
7663 fnd = 1;
7664 break;
7665 }
7666 }
7667 if ((!fnd) || (sin_a == NULL)) {
7668 /* punt */
7669 SCTP_TCB_UNLOCK(stcb);
7670 goto notConn;
7671 }
7673 vrf_id = inp->def_vrf_id;
7674 sctp_ifa = sctp_source_address_selection(inp,
7675 stcb,
7676 (sctp_route_t *)&net->ro,
7677 net, 0, vrf_id);
7678 if (sctp_ifa) {
7679 sin->sin_addr = sctp_ifa->address.sin.sin_addr;
7680 sctp_free_ifa(sctp_ifa);
7681 }
7682 SCTP_TCB_UNLOCK(stcb);
7683 } else {
7684 /* For the bound all case you get back 0 */
7685 notConn:
7686 sin->sin_addr.s_addr = 0;
7687 }
7689 } else {
7690 /* Take the first IPv4 address in the list */
7691 struct sctp_laddr *laddr;
7692 int fnd = 0;
7694 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
7695 if (laddr->ifa->address.sa.sa_family == AF_INET) {
7696 struct sockaddr_in *sin_a;
7698 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa;
7699 sin->sin_addr = sin_a->sin_addr;
7700 fnd = 1;
7701 break;
7702 }
7703 }
7704 if (!fnd) {
7705 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
7706 SCTP_FREE_SONAME(sin);
7707 #endif
7708 SCTP_INP_RUNLOCK(inp);
7709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
7710 return (ENOENT);
7711 }
7712 }
7713 SCTP_INP_RUNLOCK(inp);
7714 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
7715 (*addr) = (struct sockaddr *)sin;
7716 #endif
7717 return (0);
7718 }
7720 int
7721 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
7722 sctp_peeraddr(struct socket *so, struct sockaddr **addr)
7723 {
7724 struct sockaddr_in *sin;
7725 #elif defined(__Panda__)
7726 sctp_peeraddr(struct socket *so, struct sockaddr *addr)
7727 {
7728 struct sockaddr_in *sin = (struct sockaddr_in *)addr;
7729 #else
7730 sctp_peeraddr(struct socket *so, struct mbuf *nam)
7731 {
7732 struct sockaddr_in *sin = mtod(nam, struct sockaddr_in *);
7734 #endif
7735 int fnd;
7736 struct sockaddr_in *sin_a;
7737 struct sctp_inpcb *inp;
7738 struct sctp_tcb *stcb;
7739 struct sctp_nets *net;
7741 /* Do the malloc first in case it blocks. */
7742 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
7743 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7744 if (sin == NULL)
7745 return (ENOMEM);
7746 #elif defined(__Panda__)
7747 memset(sin, 0, sizeof(*sin));
7748 #else
7749 SCTP_BUF_LEN(nam) = sizeof(*sin);
7750 memset(sin, 0, sizeof(*sin));
7751 #endif
7752 sin->sin_family = AF_INET;
7753 #ifdef HAVE_SIN_LEN
7754 sin->sin_len = sizeof(*sin);
7755 #endif
7757 inp = (struct sctp_inpcb *)so->so_pcb;
7758 if ((inp == NULL) ||
7759 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
7760 /* UDP type and listeners will drop out here */
7761 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
7762 SCTP_FREE_SONAME(sin);
7763 #endif
7764 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
7765 return (ENOTCONN);
7766 }
7767 SCTP_INP_RLOCK(inp);
7768 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7769 if (stcb) {
7770 SCTP_TCB_LOCK(stcb);
7771 }
7772 SCTP_INP_RUNLOCK(inp);
7773 if (stcb == NULL) {
7774 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
7775 SCTP_FREE_SONAME(sin);
7776 #endif
7777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7778 return (ECONNRESET);
7779 }
7780 fnd = 0;
7781 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
7782 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
7783 if (sin_a->sin_family == AF_INET) {
7784 fnd = 1;
7785 sin->sin_port = stcb->rport;
7786 sin->sin_addr = sin_a->sin_addr;
7787 break;
7788 }
7789 }
7790 SCTP_TCB_UNLOCK(stcb);
7791 if (!fnd) {
7792 /* No IPv4 address */
7793 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
7794 SCTP_FREE_SONAME(sin);
7795 #endif
7796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
7797 return (ENOENT);
7798 }
7799 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
7800 (*addr) = (struct sockaddr *)sin;
7801 #endif
7802 return (0);
7803 }
7805 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
7806 struct pr_usrreqs sctp_usrreqs = {
7807 #if defined(__FreeBSD__)
7808 .pru_abort = sctp_abort,
7809 .pru_accept = sctp_accept,
7810 .pru_attach = sctp_attach,
7811 .pru_bind = sctp_bind,
7812 .pru_connect = sctp_connect,
7813 .pru_control = in_control,
7814 #if __FreeBSD_version >= 690000
7815 .pru_close = sctp_close,
7816 .pru_detach = sctp_close,
7817 .pru_sopoll = sopoll_generic,
7818 .pru_flush = sctp_flush,
7819 #else
7820 .pru_detach = sctp_detach,
7821 .pru_sopoll = sopoll,
7822 #endif
7823 .pru_disconnect = sctp_disconnect,
7824 .pru_listen = sctp_listen,
7825 .pru_peeraddr = sctp_peeraddr,
7826 .pru_send = sctp_sendm,
7827 .pru_shutdown = sctp_shutdown,
7828 .pru_sockaddr = sctp_ingetaddr,
7829 .pru_sosend = sctp_sosend,
7830 .pru_soreceive = sctp_soreceive
7831 #elif defined(__APPLE__)
7832 .pru_abort = sctp_abort,
7833 .pru_accept = sctp_accept,
7834 .pru_attach = sctp_attach,
7835 .pru_bind = sctp_bind,
7836 .pru_connect = sctp_connect,
7837 .pru_connect2 = pru_connect2_notsupp,
7838 .pru_control = in_control,
7839 .pru_detach = sctp_detach,
7840 .pru_disconnect = sctp_disconnect,
7841 .pru_listen = sctp_listen,
7842 .pru_peeraddr = sctp_peeraddr,
7843 .pru_rcvd = NULL,
7844 .pru_rcvoob = pru_rcvoob_notsupp,
7845 .pru_send = sctp_sendm,
7846 .pru_sense = pru_sense_null,
7847 .pru_shutdown = sctp_shutdown,
7848 .pru_sockaddr = sctp_ingetaddr,
7849 .pru_sosend = sctp_sosend,
7850 .pru_soreceive = sctp_soreceive,
7851 .pru_sopoll = sopoll
7852 #elif defined(__Windows__)
7853 sctp_abort,
7854 sctp_accept,
7855 sctp_attach,
7856 sctp_bind,
7857 sctp_connect,
7858 pru_connect2_notsupp,
7859 NULL,
7860 NULL,
7861 sctp_disconnect,
7862 sctp_listen,
7863 sctp_peeraddr,
7864 NULL,
7865 pru_rcvoob_notsupp,
7866 NULL,
7867 pru_sense_null,
7868 sctp_shutdown,
7869 sctp_flush,
7870 sctp_ingetaddr,
7871 sctp_sosend,
7872 sctp_soreceive,
7873 sopoll_generic,
7874 NULL,
7875 sctp_close
7876 #endif
7877 };
7878 #elif !defined(__Panda__) && !defined(__Userspace__)
7879 int
7880 sctp_usrreq(so, req, m, nam, control)
7881 struct socket *so;
7882 int req;
7883 struct mbuf *m, *nam, *control;
7884 {
7885 struct proc *p = curproc;
7886 uint32_t vrf_id;
7887 struct sctp_vrf *vrf;
7888 int error;
7889 int family;
7890 struct sctp_inpcb *inp = (struct sctp_inpcb *)so->so_pcb;
7892 error = 0;
7893 family = so->so_proto->pr_domain->dom_family;
7894 if (req == PRU_CONTROL) {
7895 switch (family) {
7896 case PF_INET:
7897 error = in_control(so, (long)m, (caddr_t)nam,
7898 (struct ifnet *)control);
7899 break;
7900 #ifdef INET6
7901 case PF_INET6:
7902 error = in6_control(so, (long)m, (caddr_t)nam,
7903 (struct ifnet *)control, p);
7904 break;
7905 #endif
7906 default:
7907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
7908 error = EAFNOSUPPORT;
7909 }
7910 return (error);
7911 }
7912 switch (req) {
7913 case PRU_ATTACH:
7914 error = sctp_attach(so, family, p);
7915 break;
7916 case PRU_DETACH:
7917 error = sctp_detach(so);
7918 break;
7919 case PRU_BIND:
7920 if (nam == NULL) {
7921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7922 return (EINVAL);
7923 }
7924 error = sctp_bind(so, nam, p);
7925 break;
7926 case PRU_LISTEN:
7927 error = sctp_listen(so, p);
7928 break;
7929 case PRU_CONNECT:
7930 if (nam == NULL) {
7931 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7932 return (EINVAL);
7933 }
7934 error = sctp_connect(so, nam, p);
7935 break;
7936 case PRU_DISCONNECT:
7937 error = sctp_disconnect(so);
7938 break;
7939 case PRU_ACCEPT:
7940 if (nam == NULL) {
7941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7942 return (EINVAL);
7943 }
7944 error = sctp_accept(so, nam);
7945 break;
7946 case PRU_SHUTDOWN:
7947 error = sctp_shutdown(so);
7948 break;
7950 case PRU_RCVD:
7951 /*
7952 * For Open and Net BSD, this is real ugly. The mbuf *nam
7953 * that is passed (by soreceive()) is the int flags c ast as
7954 * a (mbuf *) yuck!
7955 */
7956 break;
7958 case PRU_SEND:
7959 /* Flags are ignored */
7960 {
7961 struct sockaddr *addr;
7963 if (nam == NULL)
7964 addr = NULL;
7965 else
7966 addr = mtod(nam, struct sockaddr *);
7968 error = sctp_sendm(so, 0, m, addr, control, p);
7969 }
7970 break;
7971 case PRU_ABORT:
7972 error = sctp_abort(so);
7973 break;
7975 case PRU_SENSE:
7976 error = 0;
7977 break;
7978 case PRU_RCVOOB:
7979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
7980 error = EAFNOSUPPORT;
7981 break;
7982 case PRU_SENDOOB:
7983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
7984 error = EAFNOSUPPORT;
7985 break;
7986 case PRU_PEERADDR:
7987 error = sctp_peeraddr(so, nam);
7988 break;
7989 case PRU_SOCKADDR:
7990 error = sctp_ingetaddr(so, nam);
7991 break;
7992 case PRU_SLOWTIMO:
7993 error = 0;
7994 break;
7995 default:
7996 break;
7997 }
7998 return (error);
7999 }
8001 #endif
8002 #endif
8004 #if defined(__Userspace__)
8005 int
8006 register_recv_cb(struct socket *so,
8007 int (*receive_cb)(struct socket *sock, union sctp_sockstore addr, void *data,
8008 size_t datalen, struct sctp_rcvinfo, int flags, void *ulp_info))
8009 {
8010 struct sctp_inpcb *inp;
8012 inp = (struct sctp_inpcb *) so->so_pcb;
8013 if (inp == NULL) {
8014 return (0);
8015 }
8016 SCTP_INP_WLOCK(inp);
8017 inp->recv_callback = receive_cb;
8018 SCTP_INP_WUNLOCK(inp);
8019 return (1);
8020 }
8022 int
8023 register_send_cb(struct socket *so, uint32_t sb_threshold, int (*send_cb)(struct socket *sock, uint32_t sb_free))
8024 {
8025 struct sctp_inpcb *inp;
8027 inp = (struct sctp_inpcb *) so->so_pcb;
8028 if (inp == NULL) {
8029 return (0);
8030 }
8031 SCTP_INP_WLOCK(inp);
8032 inp->send_callback = send_cb;
8033 inp->send_sb_threshold = sb_threshold;
8034 SCTP_INP_WUNLOCK(inp);
8035 /* FIXME change to current amount free. This will be the full buffer
8036 * the first time this is registered but it could be only a portion
8037 * of the send buffer if this is called a second time e.g. if the
8038 * threshold changes.
8039 */
8040 return (1);
8041 }
8043 int
8044 register_ulp_info (struct socket *so, void *ulp_info)
8045 {
8046 struct sctp_inpcb *inp;
8048 inp = (struct sctp_inpcb *) so->so_pcb;
8049 if (inp == NULL) {
8050 return (0);
8051 }
8052 SCTP_INP_WLOCK(inp);
8053 inp->ulp_info = ulp_info;
8054 SCTP_INP_WUNLOCK(inp);
8055 return (1);
8056 }
8057 #endif
