1 /*-
2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * a) Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 *
12 * b) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the distribution.
15 *
16 * c) Neither the name of Cisco Systems, Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifdef __FreeBSD__
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD: head/sys/netinet/sctp_usrreq.c 271221 2014-09-07 09:06:26Z tuexen $");
36 #endif
37
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/udp.h>
61 #endif
62
63 #if defined(HAVE_SCTP_PEELOFF_SOCKOPT)
64 #include <netinet/sctp_peeloff.h>
65 #endif /* HAVE_SCTP_PEELOFF_SOCKOPT */
66
67 #if defined(__APPLE__)
68 #define APPLE_FILE_NO 7
69 #endif
70
71 extern struct sctp_cc_functions sctp_cc_functions[];
72 extern struct sctp_ss_functions sctp_ss_functions[];
73
74 void
75 #if defined(__Userspace__)
sctp_init(uint16_t port,int (* conn_output)(void * addr,void * buffer,size_t length,uint8_t tos,uint8_t set_df),void (* debug_printf)(const char * format,...))76 sctp_init(uint16_t port,
77 int (*conn_output)(void *addr, void *buffer, size_t length, uint8_t tos, uint8_t set_df),
78 void (*debug_printf)(const char *format, ...))
79 #elif defined(__APPLE__) && (!defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) &&!defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION))
80 sctp_init(struct protosw *pp SCTP_UNUSED, struct domain *dp SCTP_UNUSED)
81 #else
82 sctp_init(void)
83 #endif
84 {
85 #if !defined(__Panda__) && !defined(__Userspace__)
86 u_long sb_max_adj;
87
88 #endif
89 #if defined(__Userspace__)
90 #if defined(__Userspace_os_Windows)
91 #if defined(INET) || defined(INET6)
92 WSADATA wsaData;
93
94 if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
95 SCTP_PRINTF("WSAStartup failed\n");
96 exit (-1);
97 }
98 #endif
99 InitializeConditionVariable(&accept_cond);
100 InitializeCriticalSection(&accept_mtx);
101 #else
102 pthread_cond_init(&accept_cond, NULL);
103 pthread_mutex_init(&accept_mtx, NULL);
104 #endif
105 #endif
106 /* Initialize and modify the sysctled variables */
107 sctp_init_sysctls();
108 #if defined(__Userspace__)
109 #if defined(__Userspace_os_Windows)
110 srand((unsigned int)time(NULL));
111 #else
112 srandom(getpid()); /* so inp->sctp_ep.random_numbers are truly random... */
113 #endif
114 #endif
115 #if defined(__Panda__)
116 sctp_sendspace = SB_MAX;
117 sctp_recvspace = SB_MAX;
118
119 #elif defined(__Userspace__)
120 SCTP_BASE_SYSCTL(sctp_sendspace) = SB_MAX;
121 SCTP_BASE_SYSCTL(sctp_recvspace) = SB_RAW;
122 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = port;
123 #else
124 #if !defined(__APPLE__)
125 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
126 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8);
127 #endif
128 /*
129 * Allow a user to take no more than 1/2 the number of clusters or
130 * the SB_MAX whichever is smaller for the send window.
131 */
132 #if defined(__APPLE__)
133 sb_max_adj = (u_long)((u_quad_t) (sb_max) * MCLBYTES / (MSIZE + MCLBYTES));
134 #else
135 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES));
136 #endif
137 #if defined(__APPLE__)
138 SCTP_BASE_SYSCTL(sctp_sendspace) = sb_max_adj;
139 #else
140 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj,
141 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT));
142 #endif
143 /*
144 * Now for the recv window, should we take the same amount? or
145 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For
146 * now I will just copy.
147 */
148 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace);
149 #endif
150 SCTP_BASE_VAR(first_time) = 0;
151 SCTP_BASE_VAR(sctp_pcb_initialized) = 0;
152 #if defined(__Userspace__)
153 #if !defined(__Userspace_os_Windows)
154 #if defined(INET) || defined(INET6)
155 SCTP_BASE_VAR(userspace_route) = -1;
156 #endif
157 #endif
158 #ifdef INET
159 SCTP_BASE_VAR(userspace_rawsctp) = -1;
160 SCTP_BASE_VAR(userspace_udpsctp) = -1;
161 #endif
162 #ifdef INET6
163 SCTP_BASE_VAR(userspace_rawsctp6) = -1;
164 SCTP_BASE_VAR(userspace_udpsctp6) = -1;
165 #endif
166 SCTP_BASE_VAR(timer_thread_should_exit) = 0;
167 SCTP_BASE_VAR(conn_output) = conn_output;
168 SCTP_BASE_VAR(debug_printf) = debug_printf;
169 #endif
170 sctp_pcb_init();
171 #if defined(__Userspace__)
172 sctp_start_timer();
173 #endif
174 #if defined(SCTP_PACKET_LOGGING)
175 SCTP_BASE_VAR(packet_log_writers) = 0;
176 SCTP_BASE_VAR(packet_log_end) = 0;
177 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE);
178 #endif
179 #if defined(__APPLE__)
180 SCTP_BASE_VAR(sctp_main_timer_ticks) = 0;
181 sctp_start_main_timer();
182 timeout(sctp_delayed_startup, NULL, 1);
183 #endif
184 }
185
186 void
sctp_finish(void)187 sctp_finish(void)
188 {
189 #if defined(__APPLE__)
190 untimeout(sctp_delayed_startup, NULL);
191 sctp_over_udp_stop();
192 sctp_address_monitor_stop();
193 sctp_stop_main_timer();
194 #endif
195 #if defined(__Userspace__)
196 #if defined(INET) || defined(INET6)
197 recv_thread_destroy();
198 #endif
199 #if !defined(__Userspace_os_Windows)
200 #if defined(INET) || defined(INET6)
201 if (SCTP_BASE_VAR(userspace_route) != -1) {
202 pthread_join(SCTP_BASE_VAR(recvthreadroute), NULL);
203 }
204 #endif
205 #endif
206 #ifdef INET
207 if (SCTP_BASE_VAR(userspace_rawsctp) != -1) {
208 #if defined(__Userspace_os_Windows)
209 WaitForSingleObject(SCTP_BASE_VAR(recvthreadraw), INFINITE);
210 CloseHandle(SCTP_BASE_VAR(recvthreadraw));
211 #else
212 pthread_join(SCTP_BASE_VAR(recvthreadraw), NULL);
213 #endif
214 }
215 if (SCTP_BASE_VAR(userspace_udpsctp) != -1) {
216 #if defined(__Userspace_os_Windows)
217 WaitForSingleObject(SCTP_BASE_VAR(recvthreadudp), INFINITE);
218 CloseHandle(SCTP_BASE_VAR(recvthreadudp));
219 #else
220 pthread_join(SCTP_BASE_VAR(recvthreadudp), NULL);
221 #endif
222 }
223 #endif
224 #ifdef INET6
225 if (SCTP_BASE_VAR(userspace_rawsctp6) != -1) {
226 #if defined(__Userspace_os_Windows)
227 WaitForSingleObject(SCTP_BASE_VAR(recvthreadraw6), INFINITE);
228 CloseHandle(SCTP_BASE_VAR(recvthreadraw6));
229 #else
230 pthread_join(SCTP_BASE_VAR(recvthreadraw6), NULL);
231 #endif
232 }
233 if (SCTP_BASE_VAR(userspace_udpsctp6) != -1) {
234 #if defined(__Userspace_os_Windows)
235 WaitForSingleObject(SCTP_BASE_VAR(recvthreadudp6), INFINITE);
236 CloseHandle(SCTP_BASE_VAR(recvthreadudp6));
237 #else
238 pthread_join(SCTP_BASE_VAR(recvthreadudp6), NULL);
239 #endif
240 }
241 #endif
242 SCTP_BASE_VAR(timer_thread_should_exit) = 1;
243 #if defined(__Userspace_os_Windows)
244 WaitForSingleObject(SCTP_BASE_VAR(timer_thread), INFINITE);
245 CloseHandle(SCTP_BASE_VAR(timer_thread));
246 #else
247 pthread_join(SCTP_BASE_VAR(timer_thread), NULL);
248 #endif
249 #endif
250 sctp_pcb_finish();
251 #if defined(__Userspace__)
252 #if defined(__Userspace_os_Windows)
253 DeleteConditionVariable(&accept_cond);
254 DeleteCriticalSection(&accept_mtx);
255 #else
256 pthread_cond_destroy(&accept_cond);
257 pthread_mutex_destroy(&accept_mtx);
258 #endif
259 #endif
260 #if defined(__Windows__)
261 sctp_finish_sysctls();
262 #if defined(INET) || defined(INET6)
263 WSACleanup();
264 #endif
265 #endif
266 }
267
268
269
270 void
sctp_pathmtu_adjustment(struct sctp_tcb * stcb,uint16_t nxtsz)271 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz)
272 {
273 struct sctp_tmit_chunk *chk;
274 uint16_t overhead;
275
276 /* Adjust that too */
277 stcb->asoc.smallest_mtu = nxtsz;
278 /* now off to subtract IP_DF flag if needed */
279 overhead = IP_HDR_SIZE;
280 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) {
281 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id);
282 }
283 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) {
284 if ((chk->send_size + overhead) > nxtsz) {
285 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
286 }
287 }
288 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) {
289 if ((chk->send_size + overhead) > nxtsz) {
290 /*
291 * For this guy we also mark for immediate resend
292 * since we sent to big of chunk
293 */
294 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
295 if (chk->sent < SCTP_DATAGRAM_RESEND) {
296 sctp_flight_size_decrease(chk);
297 sctp_total_flight_decrease(stcb, chk);
298 }
299 if (chk->sent != SCTP_DATAGRAM_RESEND) {
300 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
301 }
302 chk->sent = SCTP_DATAGRAM_RESEND;
303 chk->rec.data.doing_fast_retransmit = 0;
304 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) {
305 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
306 chk->whoTo->flight_size,
307 chk->book_size,
308 (uintptr_t)chk->whoTo,
309 chk->rec.data.TSN_seq);
310 }
311 /* Clear any time so NO RTT is being done */
312 chk->do_rtt = 0;
313 }
314 }
315 }
316
317 #ifdef INET
318 #if !defined(__Userspace__)
319 #if defined(__Panda__) || defined(__Windows__)
320 void
321 #else
322 static void
323 #endif
sctp_notify_mbuf(struct sctp_inpcb * inp,struct sctp_tcb * stcb,struct sctp_nets * net,struct ip * ip,struct sctphdr * sh)324 sctp_notify_mbuf(struct sctp_inpcb *inp,
325 struct sctp_tcb *stcb,
326 struct sctp_nets *net,
327 struct ip *ip,
328 struct sctphdr *sh)
329 {
330 struct icmp *icmph;
331 int totsz, tmr_stopped = 0;
332 uint16_t nxtsz;
333
334 /* protection */
335 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
336 (ip == NULL) || (sh == NULL)) {
337 if (stcb != NULL) {
338 SCTP_TCB_UNLOCK(stcb);
339 }
340 return;
341 }
342 /* First job is to verify the vtag matches what I would send */
343 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
344 SCTP_TCB_UNLOCK(stcb);
345 return;
346 }
347 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
348 sizeof(struct ip)));
349 if (icmph->icmp_type != ICMP_UNREACH) {
350 /* We only care about unreachable */
351 SCTP_TCB_UNLOCK(stcb);
352 return;
353 }
354 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) {
355 /* not a unreachable message due to frag. */
356 SCTP_TCB_UNLOCK(stcb);
357 return;
358 }
359 #if defined(__FreeBSD__) && __FreeBSD_version >= 1000000
360 totsz = ntohs(ip->ip_len);
361 #else
362 totsz = ip->ip_len;
363 #endif
364
365 nxtsz = ntohs(icmph->icmp_nextmtu);
366 if (nxtsz == 0) {
367 /*
368 * old type router that does not tell us what the next size
369 * mtu is. Rats we will have to guess (in a educated fashion
370 * of course)
371 */
372 nxtsz = sctp_get_prev_mtu(totsz);
373 }
374 /* Stop any PMTU timer */
375 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
376 tmr_stopped = 1;
377 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
378 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_1);
379 }
380 /* Adjust destination size limit */
381 if (net->mtu > nxtsz) {
382 net->mtu = nxtsz;
383 if (net->port) {
384 net->mtu -= sizeof(struct udphdr);
385 }
386 }
387 /* now what about the ep? */
388 if (stcb->asoc.smallest_mtu > nxtsz) {
389 sctp_pathmtu_adjustment(stcb, nxtsz);
390 }
391 if (tmr_stopped)
392 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
393
394 SCTP_TCB_UNLOCK(stcb);
395 }
396
397 void
sctp_notify(struct sctp_inpcb * inp,struct ip * ip,struct sctphdr * sh,struct sockaddr * to,struct sctp_tcb * stcb,struct sctp_nets * net)398 sctp_notify(struct sctp_inpcb *inp,
399 struct ip *ip,
400 struct sctphdr *sh,
401 struct sockaddr *to,
402 struct sctp_tcb *stcb,
403 struct sctp_nets *net)
404 {
405 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
406 struct socket *so;
407
408 #endif
409 struct icmp *icmph;
410
411 /* protection */
412 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
413 (sh == NULL) || (to == NULL)) {
414 if (stcb)
415 SCTP_TCB_UNLOCK(stcb);
416 return;
417 }
418 /* First job is to verify the vtag matches what I would send */
419 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
420 SCTP_TCB_UNLOCK(stcb);
421 return;
422 }
423
424 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
425 sizeof(struct ip)));
426 if (icmph->icmp_type != ICMP_UNREACH) {
427 /* We only care about unreachable */
428 SCTP_TCB_UNLOCK(stcb);
429 return;
430 }
431 if ((icmph->icmp_code == ICMP_UNREACH_NET) ||
432 (icmph->icmp_code == ICMP_UNREACH_HOST) ||
433 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) ||
434 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) ||
435 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) ||
436 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) ||
437 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) ||
438 #if defined(__Panda__)
439 (icmph->icmp_code == ICMP_UNREACH_ADMIN)) {
440 #elif defined(__Userspace_os_NetBSD)
441 (icmph->icmp_code == ICMP_UNREACH_ADMIN_PROHIBIT)) {
442 #else
443 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) {
444 #endif
445
446 /*
447 * Hmm reachablity problems we must examine closely. If its
448 * not reachable, we may have lost a network. Or if there is
449 * NO protocol at the other end named SCTP. well we consider
450 * it a OOTB abort.
451 */
452 if (net->dest_state & SCTP_ADDR_REACHABLE) {
453 /* Ok that destination is NOT reachable */
454 net->dest_state &= ~SCTP_ADDR_REACHABLE;
455 net->dest_state &= ~SCTP_ADDR_PF;
456 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN,
457 stcb, 0,
458 (void *)net, SCTP_SO_NOT_LOCKED);
459 }
460 SCTP_TCB_UNLOCK(stcb);
461 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) ||
462 (icmph->icmp_code == ICMP_UNREACH_PORT)) {
463 /*
464 * Here the peer is either playing tricks on us,
465 * including an address that belongs to someone who
466 * does not support SCTP OR was a userland
467 * implementation that shutdown and now is dead. In
468 * either case treat it like a OOTB abort with no
469 * TCB
470 */
471 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED);
472 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
473 so = SCTP_INP_SO(inp);
474 atomic_add_int(&stcb->asoc.refcnt, 1);
475 SCTP_TCB_UNLOCK(stcb);
476 SCTP_SOCKET_LOCK(so, 1);
477 SCTP_TCB_LOCK(stcb);
478 atomic_subtract_int(&stcb->asoc.refcnt, 1);
479 #endif
480 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_2);
481 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
482 SCTP_SOCKET_UNLOCK(so, 1);
483 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed.*/
484 #endif
485 /* no need to unlock here, since the TCB is gone */
486 } else {
487 SCTP_TCB_UNLOCK(stcb);
488 }
489 }
490 #endif
491 #endif
492
493 #ifdef INET
494 #if !defined(__Panda__) && !defined(__Userspace__)
495 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
496 void
497 #else
498 void *
499 #endif
500 sctp_ctlinput(cmd, sa, vip)
501 int cmd;
502 struct sockaddr *sa;
503 void *vip;
504 {
505 struct ip *ip = vip;
506 struct sctphdr *sh;
507 uint32_t vrf_id;
508 /* FIX, for non-bsd is this right? */
509 vrf_id = SCTP_DEFAULT_VRFID;
510 if (sa->sa_family != AF_INET ||
511 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) {
512 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
513 return;
514 #else
515 return (NULL);
516 #endif
517 }
518 if (PRC_IS_REDIRECT(cmd)) {
519 ip = 0;
520 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) {
521 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
522 return;
523 #else
524 return (NULL);
525 #endif
526 }
527 if (ip) {
528 struct sctp_inpcb *inp = NULL;
529 struct sctp_tcb *stcb = NULL;
530 struct sctp_nets *net = NULL;
531 struct sockaddr_in to, from;
532
533 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));
534 bzero(&to, sizeof(to));
535 bzero(&from, sizeof(from));
536 from.sin_family = to.sin_family = AF_INET;
537 #ifdef HAVE_SIN_LEN
538 from.sin_len = to.sin_len = sizeof(to);
539 #endif
540 from.sin_port = sh->src_port;
541 from.sin_addr = ip->ip_src;
542 to.sin_port = sh->dest_port;
543 to.sin_addr = ip->ip_dst;
544
545 /*
546 * 'to' holds the dest of the packet that failed to be sent.
547 * 'from' holds our local endpoint address. Thus we reverse
548 * the to and the from in the lookup.
549 */
550 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to,
551 (struct sockaddr *)&from,
552 &inp, &net, 1, vrf_id);
553 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) {
554 if (cmd != PRC_MSGSIZE) {
555 sctp_notify(inp, ip, sh,
556 (struct sockaddr *)&to, stcb,
557 net);
558 } else {
559 /* handle possible ICMP size messages */
560 sctp_notify_mbuf(inp, stcb, net, ip, sh);
561 }
562 } else {
563 #if defined(__FreeBSD__) && __FreeBSD_version < 500000
564 /*
565 * XXX must be fixed for 5.x and higher, leave for
566 * 4.x
567 */
568 if (PRC_IS_REDIRECT(cmd) && inp) {
569 in_rtchange((struct inpcb *)inp,
570 inetctlerrmap[cmd]);
571 }
572 #endif
573 if ((stcb == NULL) && (inp != NULL)) {
574 /* reduce ref-count */
575 SCTP_INP_WLOCK(inp);
576 SCTP_INP_DECR_REF(inp);
577 SCTP_INP_WUNLOCK(inp);
578 }
579 if (stcb) {
580 SCTP_TCB_UNLOCK(stcb);
581 }
582 }
583 }
584 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
585 return;
586 #else
587 return (NULL);
588 #endif
589 }
590 #endif
591 #endif
592
593 #if defined(__FreeBSD__)
594 static int
595 sctp_getcred(SYSCTL_HANDLER_ARGS)
596 {
597 struct xucred xuc;
598 struct sockaddr_in addrs[2];
599 struct sctp_inpcb *inp;
600 struct sctp_nets *net;
601 struct sctp_tcb *stcb;
602 int error;
603 uint32_t vrf_id;
604
605 /* FIX, for non-bsd is this right? */
606 vrf_id = SCTP_DEFAULT_VRFID;
607
608 #if __FreeBSD_version > 602000
609 error = priv_check(req->td, PRIV_NETINET_GETCRED);
610
611 #elif __FreeBSD_version >= 500000
612 error = suser(req->td);
613 #else
614 error = suser(req->p);
615 #endif
616 if (error)
617 return (error);
618
619 error = SYSCTL_IN(req, addrs, sizeof(addrs));
620 if (error)
621 return (error);
622
623 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]),
624 sintosa(&addrs[0]),
625 &inp, &net, 1, vrf_id);
626 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
627 if ((inp != NULL) && (stcb == NULL)) {
628 /* reduce ref-count */
629 SCTP_INP_WLOCK(inp);
630 SCTP_INP_DECR_REF(inp);
631 goto cred_can_cont;
632 }
633
634 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
635 error = ENOENT;
636 goto out;
637 }
638 SCTP_TCB_UNLOCK(stcb);
639 /* We use the write lock here, only
640 * since in the error leg we need it.
641 * If we used RLOCK, then we would have
642 * to wlock/decr/unlock/rlock. Which
643 * in theory could create a hole. Better
644 * to use higher wlock.
645 */
646 SCTP_INP_WLOCK(inp);
647 cred_can_cont:
648 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket);
649 if (error) {
650 SCTP_INP_WUNLOCK(inp);
651 goto out;
652 }
653 cru2x(inp->sctp_socket->so_cred, &xuc);
654 SCTP_INP_WUNLOCK(inp);
655 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred));
656 out:
657 return (error);
658 }
659
660 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW,
661 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection");
662 #endif /* #if defined(__FreeBSD__) */
663
664
665 #ifdef INET
666 #if defined(__Panda__) || defined(__Windows__) || defined(__Userspace__)
667 int
668 #elif defined(__FreeBSD__) && __FreeBSD_version > 690000
669 static void
670 #else
671 static int
672 #endif
673 sctp_abort(struct socket *so)
674 {
675 struct sctp_inpcb *inp;
676 uint32_t flags;
677
678 inp = (struct sctp_inpcb *)so->so_pcb;
679 if (inp == NULL) {
680 #if defined(__FreeBSD__) && __FreeBSD_version > 690000
681 return;
682 #else
683 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
684 return (EINVAL);
685 #endif
686 }
687
688 sctp_must_try_again:
689 flags = inp->sctp_flags;
690 #ifdef SCTP_LOG_CLOSING
691 sctp_log_closing(inp, NULL, 17);
692 #endif
693 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
694 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
695 #ifdef SCTP_LOG_CLOSING
696 sctp_log_closing(inp, NULL, 16);
697 #endif
698 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
699 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
700 SOCK_LOCK(so);
701 SCTP_SB_CLEAR(so->so_snd);
702 /* same for the rcv ones, they are only
703 * here for the accounting/select.
704 */
705 SCTP_SB_CLEAR(so->so_rcv);
706
707 #if defined(__APPLE__)
708 so->so_usecount--;
709 #else
710 /* Now null out the reference, we are completely detached. */
711 so->so_pcb = NULL;
712 #endif
713 SOCK_UNLOCK(so);
714 } else {
715 flags = inp->sctp_flags;
716 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
717 goto sctp_must_try_again;
718 }
719 }
720 #if defined(__FreeBSD__) && __FreeBSD_version > 690000
721 return;
722 #else
723 return (0);
724 #endif
725 }
726
727 #if defined(__Panda__) || defined(__Userspace__)
728 int
729 #else
730 static int
731 #endif
732 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
733 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED)
734 #elif defined(__Panda__) || defined(__Userspace__)
735 sctp_attach(struct socket *so, int proto SCTP_UNUSED, uint32_t vrf_id)
736 #elif defined(__Windows__)
737 sctp_attach(struct socket *so, int proto SCTP_UNUSED, PKTHREAD p SCTP_UNUSED)
738 #else
739 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct proc *p SCTP_UNUSED)
740 #endif
741 {
742 struct sctp_inpcb *inp;
743 struct inpcb *ip_inp;
744 int error;
745 #if !defined(__Panda__) && !defined(__Userspace__)
746 uint32_t vrf_id = SCTP_DEFAULT_VRFID;
747 #endif
748 #ifdef IPSEC
749 uint32_t flags;
750 #endif
751
752 inp = (struct sctp_inpcb *)so->so_pcb;
753 if (inp != 0) {
754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
755 return (EINVAL);
756 }
757 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
758 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace));
759 if (error) {
760 return (error);
761 }
762 }
763 error = sctp_inpcb_alloc(so, vrf_id);
764 if (error) {
765 return (error);
766 }
767 inp = (struct sctp_inpcb *)so->so_pcb;
768 SCTP_INP_WLOCK(inp);
769 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */
770 ip_inp = &inp->ip_inp.inp;
771 ip_inp->inp_vflag |= INP_IPV4;
772 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl);
773 #ifdef IPSEC
774 #if !(defined(__APPLE__))
775 error = ipsec_init_policy(so, &ip_inp->inp_sp);
776 #ifdef SCTP_LOG_CLOSING
777 sctp_log_closing(inp, NULL, 17);
778 #endif
779 if (error != 0) {
780 try_again:
781 flags = inp->sctp_flags;
782 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
783 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
784 #ifdef SCTP_LOG_CLOSING
785 sctp_log_closing(inp, NULL, 15);
786 #endif
787 SCTP_INP_WUNLOCK(inp);
788 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
789 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
790 } else {
791 flags = inp->sctp_flags;
792 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
793 goto try_again;
794 } else {
795 SCTP_INP_WUNLOCK(inp);
796 }
797 }
798 return (error);
799 }
800 #endif
801 #endif /* IPSEC */
802 SCTP_INP_WUNLOCK(inp);
803 return (0);
804 }
805
806 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
807 static int
808 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p)
809 {
810 #elif defined(__FreeBSD__) || defined(__APPLE__)
811 static int
812 sctp_bind(struct socket *so, struct sockaddr *addr, struct proc *p) {
813 #elif defined(__Panda__) || defined(__Userspace__)
814 int
815 sctp_bind(struct socket *so, struct sockaddr *addr) {
816 void *p = NULL;
817 #elif defined(__Windows__)
818 static int
819 sctp_bind(struct socket *so, struct sockaddr *addr, PKTHREAD p) {
820 #else
821 static int
822 sctp_bind(struct socket *so, struct mbuf *nam, struct proc *p)
823 {
824 struct sockaddr *addr = nam ? mtod(nam, struct sockaddr *): NULL;
825
826 #endif
827 struct sctp_inpcb *inp;
828
829 inp = (struct sctp_inpcb *)so->so_pcb;
830 if (inp == NULL) {
831 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
832 return (EINVAL);
833 }
834 if (addr != NULL) {
835 #ifdef HAVE_SA_LEN
836 if ((addr->sa_family != AF_INET) ||
837 (addr->sa_len != sizeof(struct sockaddr_in))) {
838 #else
839 if (addr->sa_family != AF_INET) {
840 #endif
841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
842 return (EINVAL);
843 }
844 }
845 return (sctp_inpcb_bind(so, addr, NULL, p));
846 }
847
848 #endif
849 #if defined(__Userspace__)
850
851 int
852 sctpconn_attach(struct socket *so, int proto SCTP_UNUSED, uint32_t vrf_id)
853 {
854 struct sctp_inpcb *inp;
855 struct inpcb *ip_inp;
856 int error;
857
858 inp = (struct sctp_inpcb *)so->so_pcb;
859 if (inp != NULL) {
860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
861 return (EINVAL);
862 }
863 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
864 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace));
865 if (error) {
866 return (error);
867 }
868 }
869 error = sctp_inpcb_alloc(so, vrf_id);
870 if (error) {
871 return (error);
872 }
873 inp = (struct sctp_inpcb *)so->so_pcb;
874 SCTP_INP_WLOCK(inp);
875 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6;
876 inp->sctp_flags |= SCTP_PCB_FLAGS_BOUND_CONN;
877 ip_inp = &inp->ip_inp.inp;
878 ip_inp->inp_vflag |= INP_CONN;
879 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl);
880 SCTP_INP_WUNLOCK(inp);
881 return (0);
882 }
883
884 int
885 sctpconn_bind(struct socket *so, struct sockaddr *addr)
886 {
887 struct sctp_inpcb *inp;
888
889 inp = (struct sctp_inpcb *)so->so_pcb;
890 if (inp == NULL) {
891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
892 return (EINVAL);
893 }
894 if (addr != NULL) {
895 #ifdef HAVE_SA_LEN
896 if ((addr->sa_family != AF_CONN) ||
897 (addr->sa_len != sizeof(struct sockaddr_conn))) {
898 #else
899 if (addr->sa_family != AF_CONN) {
900 #endif
901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
902 return (EINVAL);
903 }
904 }
905 return (sctp_inpcb_bind(so, addr, NULL, NULL));
906 }
907
908 #endif
909 #if (defined(__FreeBSD__) && __FreeBSD_version > 690000) || defined(__Windows__) || defined(__Userspace__)
910 void
911 sctp_close(struct socket *so)
912 {
913 struct sctp_inpcb *inp;
914 uint32_t flags;
915
916 inp = (struct sctp_inpcb *)so->so_pcb;
917 if (inp == NULL)
918 return;
919
920 /* Inform all the lower layer assoc that we
921 * are done.
922 */
923 sctp_must_try_again:
924 flags = inp->sctp_flags;
925 #ifdef SCTP_LOG_CLOSING
926 sctp_log_closing(inp, NULL, 17);
927 #endif
928 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
929 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
930 #if defined(__Userspace__)
931 if (((so->so_options & SCTP_SO_LINGER) && (so->so_linger == 0)) ||
932 (so->so_rcv.sb_cc > 0)) {
933 #else
934 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
935 (so->so_rcv.sb_cc > 0)) {
936 #endif
937 #ifdef SCTP_LOG_CLOSING
938 sctp_log_closing(inp, NULL, 13);
939 #endif
940 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
941 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
942 } else {
943 #ifdef SCTP_LOG_CLOSING
944 sctp_log_closing(inp, NULL, 14);
945 #endif
946 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,
947 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
948 }
949 /* The socket is now detached, no matter what
950 * the state of the SCTP association.
951 */
952 SOCK_LOCK(so);
953 SCTP_SB_CLEAR(so->so_snd);
954 /* same for the rcv ones, they are only
955 * here for the accounting/select.
956 */
957 SCTP_SB_CLEAR(so->so_rcv);
958
959 #if !defined(__APPLE__)
960 /* Now null out the reference, we are completely detached. */
961 so->so_pcb = NULL;
962 #endif
963 SOCK_UNLOCK(so);
964 } else {
965 flags = inp->sctp_flags;
966 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
967 goto sctp_must_try_again;
968 }
969 }
970 return;
971 }
972
973 #else
974
975
976 int
977 sctp_detach(struct socket *so)
978 {
979 struct sctp_inpcb *inp;
980 uint32_t flags;
981
982 inp = (struct sctp_inpcb *)so->so_pcb;
983 if (inp == NULL) {
984 #if defined(__FreeBSD__) && __FreeBSD_version > 690000
985 return;
986 #else
987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
988 return (EINVAL);
989 #endif
990 }
991 sctp_must_try_again:
992 flags = inp->sctp_flags;
993 #ifdef SCTP_LOG_CLOSING
994 sctp_log_closing(inp, NULL, 17);
995 #endif
996 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
997 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
998 #if defined(__Userspace__)
999 if (((so->so_options & SCTP_SO_LINGER) && (so->so_linger == 0)) ||
1000 (so->so_rcv.sb_cc > 0)) {
1001 #else
1002 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
1003 (so->so_rcv.sb_cc > 0)) {
1004 #endif
1005 #ifdef SCTP_LOG_CLOSING
1006 sctp_log_closing(inp, NULL, 13);
1007 #endif
1008 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
1009 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
1010 } else {
1011 #ifdef SCTP_LOG_CLOSING
1012 sctp_log_closing(inp, NULL, 13);
1013 #endif
1014 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,
1015 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
1016 }
1017 /* The socket is now detached, no matter what
1018 * the state of the SCTP association.
1019 */
1020 SCTP_SB_CLEAR(so->so_snd);
1021 /* same for the rcv ones, they are only
1022 * here for the accounting/select.
1023 */
1024 SCTP_SB_CLEAR(so->so_rcv);
1025 #if !defined(__APPLE__)
1026 /* Now disconnect */
1027 so->so_pcb = NULL;
1028 #endif
1029 } else {
1030 flags = inp->sctp_flags;
1031 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
1032 goto sctp_must_try_again;
1033 }
1034 }
1035 #if defined(__FreeBSD__) && __FreeBSD_version > 690000
1036 return;
1037 #else
1038 return (0);
1039 #endif
1040 }
1041 #endif
1042
1043 #if defined(__Userspace__)
1044 /* __Userspace__ is not calling sctp_sendm */
1045 #endif
1046 #if !(defined(__Panda__) || defined(__Windows__))
1047 int
1048 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
1049 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
1050 struct mbuf *control, struct thread *p);
1051
1052 #else
1053 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
1054 struct mbuf *control, struct proc *p);
1055
1056 #endif
1057
1058 int
1059 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
1060 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
1061 struct mbuf *control, struct thread *p)
1062 {
1063 #else
1064 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
1065 struct mbuf *control, struct proc *p)
1066 {
1067 #endif
1068 struct sctp_inpcb *inp;
1069 int error;
1070
1071 inp = (struct sctp_inpcb *)so->so_pcb;
1072 if (inp == NULL) {
1073 if (control) {
1074 sctp_m_freem(control);
1075 control = NULL;
1076 }
1077 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1078 sctp_m_freem(m);
1079 return (EINVAL);
1080 }
1081 /* Got to have an to address if we are NOT a connected socket */
1082 if ((addr == NULL) &&
1083 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) ||
1084 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) {
1085 goto connected_type;
1086 } else if (addr == NULL) {
1087 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
1088 error = EDESTADDRREQ;
1089 sctp_m_freem(m);
1090 if (control) {
1091 sctp_m_freem(control);
1092 control = NULL;
1093 }
1094 return (error);
1095 }
1096 #ifdef INET6
1097 if (addr->sa_family != AF_INET) {
1098 /* must be a v4 address! */
1099 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
1100 sctp_m_freem(m);
1101 if (control) {
1102 sctp_m_freem(control);
1103 control = NULL;
1104 }
1105 error = EDESTADDRREQ;
1106 return (error);
1107 }
1108 #endif /* INET6 */
1109 connected_type:
1110 /* now what about control */
1111 if (control) {
1112 if (inp->control) {
1113 SCTP_PRINTF("huh? control set?\n");
1114 sctp_m_freem(inp->control);
1115 inp->control = NULL;
1116 }
1117 inp->control = control;
1118 }
1119 /* Place the data */
1120 if (inp->pkt) {
1121 SCTP_BUF_NEXT(inp->pkt_last) = m;
1122 inp->pkt_last = m;
1123 } else {
1124 inp->pkt_last = inp->pkt = m;
1125 }
1126 if (
1127 #if defined(__FreeBSD__) || defined(__APPLE__)
1128 /* FreeBSD uses a flag passed */
1129 ((flags & PRUS_MORETOCOME) == 0)
1130 #else
1131 1 /* Open BSD does not have any "more to come"
1132 * indication */
1133 #endif
1134 ) {
1135 /*
1136 * note with the current version this code will only be used
1137 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for
1138 * re-defining sosend to use the sctp_sosend. One can
1139 * optionally switch back to this code (by changing back the
1140 * definitions) but this is not advisable. This code is used
1141 * by FreeBSD when sending a file with sendfile() though.
1142 */
1143 int ret;
1144
1145 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
1146 inp->pkt = NULL;
1147 inp->control = NULL;
1148 return (ret);
1149 } else {
1150 return (0);
1151 }
1152 }
1153 #endif
1154
1155 int
1156 sctp_disconnect(struct socket *so)
1157 {
1158 struct sctp_inpcb *inp;
1159
1160 inp = (struct sctp_inpcb *)so->so_pcb;
1161 if (inp == NULL) {
1162 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
1163 return (ENOTCONN);
1164 }
1165 SCTP_INP_RLOCK(inp);
1166 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1167 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
1168 if (LIST_EMPTY(&inp->sctp_asoc_list)) {
1169 /* No connection */
1170 SCTP_INP_RUNLOCK(inp);
1171 return (0);
1172 } else {
1173 struct sctp_association *asoc;
1174 struct sctp_tcb *stcb;
1175
1176 stcb = LIST_FIRST(&inp->sctp_asoc_list);
1177 if (stcb == NULL) {
1178 SCTP_INP_RUNLOCK(inp);
1179 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1180 return (EINVAL);
1181 }
1182 SCTP_TCB_LOCK(stcb);
1183 asoc = &stcb->asoc;
1184 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
1185 /* We are about to be freed, out of here */
1186 SCTP_TCB_UNLOCK(stcb);
1187 SCTP_INP_RUNLOCK(inp);
1188 return (0);
1189 }
1190 #if defined(__Userspace__)
1191 if (((so->so_options & SCTP_SO_LINGER) &&
1192 (so->so_linger == 0)) ||
1193 (so->so_rcv.sb_cc > 0)) {
1194 #else
1195 if (((so->so_options & SO_LINGER) &&
1196 (so->so_linger == 0)) ||
1197 (so->so_rcv.sb_cc > 0)) {
1198 #endif
1199 if (SCTP_GET_STATE(asoc) !=
1200 SCTP_STATE_COOKIE_WAIT) {
1201 /* Left with Data unread */
1202 struct mbuf *err;
1203
1204 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA);
1205 if (err) {
1206 /*
1207 * Fill in the user
1208 * initiated abort
1209 */
1210 struct sctp_paramhdr *ph;
1211
1212 ph = mtod(err, struct sctp_paramhdr *);
1213 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr);
1214 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
1215 ph->param_length = htons(SCTP_BUF_LEN(err));
1216 }
1217 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED);
1218 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
1219 }
1220 SCTP_INP_RUNLOCK(inp);
1221 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
1222 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
1223 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
1224 }
1225 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_3);
1226 /* No unlock tcb assoc is gone */
1227 return (0);
1228 }
1229 if (TAILQ_EMPTY(&asoc->send_queue) &&
1230 TAILQ_EMPTY(&asoc->sent_queue) &&
1231 (asoc->stream_queue_cnt == 0)) {
1232 /* there is nothing queued to send, so done */
1233 if (asoc->locked_on_sending) {
1234 goto abort_anyway;
1235 }
1236 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&
1237 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {
1238 /* only send SHUTDOWN 1st time thru */
1239 struct sctp_nets *netp;
1240
1241 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
1242 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
1243 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
1244 }
1245 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
1246 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
1247 sctp_stop_timers_for_shutdown(stcb);
1248 if (stcb->asoc.alternate) {
1249 netp = stcb->asoc.alternate;
1250 } else {
1251 netp = stcb->asoc.primary_destination;
1252 }
1253 sctp_send_shutdown(stcb,netp);
1254 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
1255 stcb->sctp_ep, stcb, netp);
1256 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
1257 stcb->sctp_ep, stcb, netp);
1258 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
1259 }
1260 } else {
1261 /*
1262 * we still got (or just got) data to send,
1263 * so set SHUTDOWN_PENDING
1264 */
1265 /*
1266 * XXX sockets draft says that SCTP_EOF
1267 * should be sent with no data. currently,
1268 * we will allow user data to be sent first
1269 * and move to SHUTDOWN-PENDING
1270 */
1271 struct sctp_nets *netp;
1272 if (stcb->asoc.alternate) {
1273 netp = stcb->asoc.alternate;
1274 } else {
1275 netp = stcb->asoc.primary_destination;
1276 }
1277
1278 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
1279 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
1280 netp);
1281 if (asoc->locked_on_sending) {
1282 /* Locked to send out the data */
1283 struct sctp_stream_queue_pending *sp;
1284 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
1285 if (sp == NULL) {
1286 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
1287 asoc->locked_on_sending->stream_no);
1288 } else {
1289 if ((sp->length == 0) && (sp->msg_is_complete == 0))
1290 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
1291 }
1292 }
1293 if (TAILQ_EMPTY(&asoc->send_queue) &&
1294 TAILQ_EMPTY(&asoc->sent_queue) &&
1295 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
1296 struct mbuf *op_err;
1297 abort_anyway:
1298 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
1299 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ+SCTP_LOC_4;
1300 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
1301 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
1302 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
1303 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
1304 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
1305 }
1306 SCTP_INP_RUNLOCK(inp);
1307 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_5);
1308 return (0);
1309 } else {
1310 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
1311 }
1312 }
1313 soisdisconnecting(so);
1314 SCTP_TCB_UNLOCK(stcb);
1315 SCTP_INP_RUNLOCK(inp);
1316 return (0);
1317 }
1318 /* not reached */
1319 } else {
1320 /* UDP model does not support this */
1321 SCTP_INP_RUNLOCK(inp);
1322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1323 return (EOPNOTSUPP);
1324 }
1325 }
1326
1327 #if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__)
1328 int
1329 sctp_flush(struct socket *so, int how)
1330 {
1331 /*
1332 * We will just clear out the values and let
1333 * subsequent close clear out the data, if any.
1334 * Note if the user did a shutdown(SHUT_RD) they
1335 * will not be able to read the data, the socket
1336 * will block that from happening.
1337 */
1338 struct sctp_inpcb *inp;
1339
1340 inp = (struct sctp_inpcb *)so->so_pcb;
1341 if (inp == NULL) {
1342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1343 return (EINVAL);
1344 }
1345 SCTP_INP_RLOCK(inp);
1346 /* For the 1 to many model this does nothing */
1347 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
1348 SCTP_INP_RUNLOCK(inp);
1349 return (0);
1350 }
1351 SCTP_INP_RUNLOCK(inp);
1352 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) {
1353 /* First make sure the sb will be happy, we don't
1354 * use these except maybe the count
1355 */
1356 SCTP_INP_WLOCK(inp);
1357 SCTP_INP_READ_LOCK(inp);
1358 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ;
1359 SCTP_INP_READ_UNLOCK(inp);
1360 SCTP_INP_WUNLOCK(inp);
1361 so->so_rcv.sb_cc = 0;
1362 so->so_rcv.sb_mbcnt = 0;
1363 so->so_rcv.sb_mb = NULL;
1364 }
1365 if ((how == PRU_FLUSH_WR) || (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 so->so_snd.sb_cc = 0;
1370 so->so_snd.sb_mbcnt = 0;
1371 so->so_snd.sb_mb = NULL;
1372
1373 }
1374 return (0);
1375 }
1376 #endif
1377
1378 int
1379 sctp_shutdown(struct socket *so)
1380 {
1381 struct sctp_inpcb *inp;
1382
1383 inp = (struct sctp_inpcb *)so->so_pcb;
1384 if (inp == NULL) {
1385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1386 return (EINVAL);
1387 }
1388 SCTP_INP_RLOCK(inp);
1389 /* For UDP model this is a invalid call */
1390 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1391 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) {
1392 /* Restore the flags that the soshutdown took away. */
1393 #if (defined(__FreeBSD__) && __FreeBSD_version >= 502115) || defined(__Windows__)
1394 SOCKBUF_LOCK(&so->so_rcv);
1395 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
1396 SOCKBUF_UNLOCK(&so->so_rcv);
1397 #else
1398 so->so_state &= ~SS_CANTRCVMORE;
1399 #endif
1400 /* This proc will wakeup for read and do nothing (I hope) */
1401 SCTP_INP_RUNLOCK(inp);
1402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1403 return (EOPNOTSUPP);
1404 }
1405 /*
1406 * Ok if we reach here its the TCP model and it is either a SHUT_WR
1407 * or SHUT_RDWR. This means we put the shutdown flag against it.
1408 */
1409 {
1410 struct sctp_tcb *stcb;
1411 struct sctp_association *asoc;
1412
1413 if ((so->so_state &
1414 (SS_ISCONNECTED|SS_ISCONNECTING|SS_ISDISCONNECTING)) == 0) {
1415 SCTP_INP_RUNLOCK(inp);
1416 return (ENOTCONN);
1417 }
1418 socantsendmore(so);
1419
1420 stcb = LIST_FIRST(&inp->sctp_asoc_list);
1421 if (stcb == NULL) {
1422 /*
1423 * Ok we hit the case that the shutdown call was
1424 * made after an abort or something. Nothing to do
1425 * now.
1426 */
1427 SCTP_INP_RUNLOCK(inp);
1428 return (0);
1429 }
1430 SCTP_TCB_LOCK(stcb);
1431 asoc = &stcb->asoc;
1432 if (TAILQ_EMPTY(&asoc->send_queue) &&
1433 TAILQ_EMPTY(&asoc->sent_queue) &&
1434 (asoc->stream_queue_cnt == 0)) {
1435 if (asoc->locked_on_sending) {
1436 goto abort_anyway;
1437 }
1438 /* there is nothing queued to send, so I'm done... */
1439 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) {
1440 /* only send SHUTDOWN the first time through */
1441 struct sctp_nets *netp;
1442
1443 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
1444 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
1445 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
1446 }
1447 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
1448 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
1449 sctp_stop_timers_for_shutdown(stcb);
1450 if (stcb->asoc.alternate) {
1451 netp = stcb->asoc.alternate;
1452 } else {
1453 netp = stcb->asoc.primary_destination;
1454 }
1455 sctp_send_shutdown(stcb, netp);
1456 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
1457 stcb->sctp_ep, stcb, netp);
1458 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
1459 stcb->sctp_ep, stcb, netp);
1460 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
1461 }
1462 } else {
1463 /*
1464 * we still got (or just got) data to send, so set
1465 * SHUTDOWN_PENDING
1466 */
1467 struct sctp_nets *netp;
1468 if (stcb->asoc.alternate) {
1469 netp = stcb->asoc.alternate;
1470 } else {
1471 netp = stcb->asoc.primary_destination;
1472 }
1473
1474 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
1475 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
1476 netp);
1477
1478 if (asoc->locked_on_sending) {
1479 /* Locked to send out the data */
1480 struct sctp_stream_queue_pending *sp;
1481 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
1482 if (sp == NULL) {
1483 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
1484 asoc->locked_on_sending->stream_no);
1485 } else {
1486 if ((sp->length == 0) && (sp-> msg_is_complete == 0)) {
1487 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
1488 }
1489 }
1490 }
1491 if (TAILQ_EMPTY(&asoc->send_queue) &&
1492 TAILQ_EMPTY(&asoc->sent_queue) &&
1493 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
1494 struct mbuf *op_err;
1495 abort_anyway:
1496 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
1497 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ+SCTP_LOC_6;
1498 sctp_abort_an_association(stcb->sctp_ep, stcb,
1499 op_err, SCTP_SO_LOCKED);
1500 goto skip_unlock;
1501 } else {
1502 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
1503 }
1504 }
1505 SCTP_TCB_UNLOCK(stcb);
1506 }
1507 skip_unlock:
1508 SCTP_INP_RUNLOCK(inp);
1509 return (0);
1510 }
1511
1512 /*
1513 * copies a "user" presentable address and removes embedded scope, etc.
1514 * returns 0 on success, 1 on error
1515 */
1516 static uint32_t
1517 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa)
1518 {
1519 #ifdef INET6
1520 #if defined(SCTP_EMBEDDED_V6_SCOPE)
1521 struct sockaddr_in6 lsa6;
1522
1523 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa,
1524 &lsa6);
1525 #endif
1526 #endif
1527 #ifdef HAVE_SA_LEN
1528 memcpy(ss, sa, sa->sa_len);
1529 #else
1530 switch (sa->sa_family) {
1531 #ifdef INET
1532 case AF_INET:
1533 memcpy(ss, sa, sizeof(struct sockaddr_in));
1534 break;
1535 #endif
1536 #ifdef INET6
1537 case AF_INET6:
1538 memcpy(ss, sa, sizeof(struct sockaddr_in6));
1539 break;
1540 #endif
1541 #if defined(__Userspace__)
1542 case AF_CONN:
1543 memcpy(ss, sa, sizeof(struct sockaddr_conn));
1544 break;
1545 #endif
1546 default:
1547 /* TSNH */
1548 break;
1549 }
1550 #endif
1551 return (0);
1552 }
1553
1554
1555
1556 /*
1557 * NOTE: assumes addr lock is held
1558 */
1559 static size_t
1560 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp,
1561 struct sctp_tcb *stcb,
1562 size_t limit,
1563 struct sockaddr_storage *sas,
1564 uint32_t vrf_id)
1565 {
1566 struct sctp_ifn *sctp_ifn;
1567 struct sctp_ifa *sctp_ifa;
1568 size_t actual;
1569 int loopback_scope;
1570 #if defined(INET)
1571 int ipv4_local_scope, ipv4_addr_legal;
1572 #endif
1573 #if defined(INET6)
1574 int local_scope, site_scope, ipv6_addr_legal;
1575 #endif
1576 #if defined(__Userspace__)
1577 int conn_addr_legal;
1578 #endif
1579 struct sctp_vrf *vrf;
1580
1581 actual = 0;
1582 if (limit <= 0)
1583 return (actual);
1584
1585 if (stcb) {
1586 /* Turn on all the appropriate scope */
1587 loopback_scope = stcb->asoc.scope.loopback_scope;
1588 #if defined(INET)
1589 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
1590 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
1591 #endif
1592 #if defined(INET6)
1593 local_scope = stcb->asoc.scope.local_scope;
1594 site_scope = stcb->asoc.scope.site_scope;
1595 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
1596 #endif
1597 #if defined(__Userspace__)
1598 conn_addr_legal = stcb->asoc.scope.conn_addr_legal;
1599 #endif
1600 } else {
1601 /* Use generic values for endpoints. */
1602 loopback_scope = 1;
1603 #if defined(INET)
1604 ipv4_local_scope = 1;
1605 #endif
1606 #if defined(INET6)
1607 local_scope = 1;
1608 site_scope = 1;
1609 #endif
1610 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
1611 #if defined(INET6)
1612 ipv6_addr_legal = 1;
1613 #endif
1614 #if defined(INET)
1615 if (SCTP_IPV6_V6ONLY(inp)) {
1616 ipv4_addr_legal = 0;
1617 } else {
1618 ipv4_addr_legal = 1;
1619 }
1620 #endif
1621 #if defined(__Userspace__)
1622 conn_addr_legal = 0;
1623 #endif
1624 } else {
1625 #if defined(INET6)
1626 ipv6_addr_legal = 0;
1627 #endif
1628 #if defined(__Userspace__)
1629 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) {
1630 conn_addr_legal = 1;
1631 #if defined(INET)
1632 ipv4_addr_legal = 0;
1633 #endif
1634 } else {
1635 conn_addr_legal = 0;
1636 #if defined(INET)
1637 ipv4_addr_legal = 1;
1638 #endif
1639 }
1640 #else
1641 #if defined(INET)
1642 ipv4_addr_legal = 1;
1643 #endif
1644 #endif
1645 }
1646 }
1647 vrf = sctp_find_vrf(vrf_id);
1648 if (vrf == NULL) {
1649 return (0);
1650 }
1651 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1652 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1653 if ((loopback_scope == 0) &&
1654 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {
1655 /* Skip loopback if loopback_scope not set */
1656 continue;
1657 }
1658 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1659 if (stcb) {
1660 /*
1661 * For the BOUND-ALL case, the list
1662 * associated with a TCB is Always
1663 * considered a reverse list.. i.e.
1664 * it lists addresses that are NOT
1665 * part of the association. If this
1666 * is one of those we must skip it.
1667 */
1668 if (sctp_is_addr_restricted(stcb,
1669 sctp_ifa)) {
1670 continue;
1671 }
1672 }
1673 switch (sctp_ifa->address.sa.sa_family) {
1674 #ifdef INET
1675 case AF_INET:
1676 if (ipv4_addr_legal) {
1677 struct sockaddr_in *sin;
1678
1679 sin = &sctp_ifa->address.sin;
1680 if (sin->sin_addr.s_addr == 0) {
1681 /*
1682 * we skip unspecifed
1683 * addresses
1684 */
1685 continue;
1686 }
1687 #if defined(__FreeBSD__)
1688 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
1689 &sin->sin_addr) != 0) {
1690 continue;
1691 }
1692 #endif
1693 if ((ipv4_local_scope == 0) &&
1694 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
1695 continue;
1696 }
1697 #ifdef INET6
1698 if (sctp_is_feature_on(inp,SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
1699 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas);
1700 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1701 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6));
1702 actual += sizeof(struct sockaddr_in6);
1703 } else {
1704 #endif
1705 memcpy(sas, sin, sizeof(*sin));
1706 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1707 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin));
1708 actual += sizeof(*sin);
1709 #ifdef INET6
1710 }
1711 #endif
1712 if (actual >= limit) {
1713 return (actual);
1714 }
1715 } else {
1716 continue;
1717 }
1718 break;
1719 #endif
1720 #ifdef INET6
1721 case AF_INET6:
1722 if (ipv6_addr_legal) {
1723 struct sockaddr_in6 *sin6;
1724
1725 #if defined(SCTP_EMBEDDED_V6_SCOPE) && !defined(SCTP_KAME)
1726 struct sockaddr_in6 lsa6;
1727 #endif
1728 sin6 = &sctp_ifa->address.sin6;
1729 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
1730 /*
1731 * we skip unspecifed
1732 * addresses
1733 */
1734 continue;
1735 }
1736 #if defined(__FreeBSD__)
1737 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
1738 &sin6->sin6_addr) != 0) {
1739 continue;
1740 }
1741 #endif
1742 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
1743 if (local_scope == 0)
1744 continue;
1745 #if defined(SCTP_EMBEDDED_V6_SCOPE)
1746 if (sin6->sin6_scope_id == 0) {
1747 #ifdef SCTP_KAME
1748 if (sa6_recoverscope(sin6) != 0)
1749 /*
1750 * bad link
1751 * local
1752 * address
1753 */
1754 continue;
1755 #else
1756 lsa6 = *sin6;
1757 if (in6_recoverscope(&lsa6,
1758 &lsa6.sin6_addr,
1759 NULL))
1760 /*
1761 * bad link
1762 * local
1763 * address
1764 */
1765 continue;
1766 sin6 = &lsa6;
1767 #endif /* SCTP_KAME */
1768 }
1769 #endif /* SCTP_EMBEDDED_V6_SCOPE */
1770 }
1771 if ((site_scope == 0) &&
1772 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {
1773 continue;
1774 }
1775 memcpy(sas, sin6, sizeof(*sin6));
1776 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1777 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6));
1778 actual += sizeof(*sin6);
1779 if (actual >= limit) {
1780 return (actual);
1781 }
1782 } else {
1783 continue;
1784 }
1785 break;
1786 #endif
1787 #if defined(__Userspace__)
1788 case AF_CONN:
1789 if (conn_addr_legal) {
1790 memcpy(sas, &sctp_ifa->address.sconn, sizeof(struct sockaddr_conn));
1791 ((struct sockaddr_conn *)sas)->sconn_port = inp->sctp_lport;
1792 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_conn));
1793 actual += sizeof(struct sockaddr_conn);
1794 if (actual >= limit) {
1795 return (actual);
1796 }
1797 } else {
1798 continue;
1799 }
1800 #endif
1801 default:
1802 /* TSNH */
1803 break;
1804 }
1805 }
1806 }
1807 } else {
1808 struct sctp_laddr *laddr;
1809 #ifndef HAVE_SA_LEN
1810 uint32_t sa_len = 0;
1811 #endif
1812
1813 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1814 if (stcb) {
1815 if (sctp_is_addr_restricted(stcb, laddr->ifa)) {
1816 continue;
1817 }
1818 }
1819 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa))
1820 continue;
1821 switch (laddr->ifa->address.sa.sa_family) {
1822 #ifdef INET
1823 case AF_INET:
1824 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1825 break;
1826 #endif
1827 #ifdef INET6
1828 case AF_INET6:
1829 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1830 break;
1831 #endif
1832 #if defined(__Userspace__)
1833 case AF_CONN:
1834 ((struct sockaddr_conn *)sas)->sconn_port = inp->sctp_lport;
1835 break;
1836 #endif
1837 default:
1838 /* TSNH */
1839 break;
1840 }
1841 #ifdef HAVE_SA_LEN
1842 sas = (struct sockaddr_storage *)((caddr_t)sas +
1843 laddr->ifa->address.sa.sa_len);
1844 actual += laddr->ifa->address.sa.sa_len;
1845 #else
1846 switch (laddr->ifa->address.sa.sa_family) {
1847 #ifdef INET
1848 case AF_INET:
1849 sa_len = sizeof(struct sockaddr_in);
1850 break;
1851 #endif
1852 #ifdef INET6
1853 case AF_INET6:
1854 sa_len = sizeof(struct sockaddr_in6);
1855 break;
1856 #endif
1857 #if defined(__Userspace__)
1858 case AF_CONN:
1859 sa_len = sizeof(struct sockaddr_conn);
1860 break;
1861 #endif
1862 default:
1863 /* TSNH */
1864 break;
1865 }
1866 sas = (struct sockaddr_storage *)((caddr_t)sas + sa_len);
1867 actual += sa_len;
1868 #endif
1869 if (actual >= limit) {
1870 return (actual);
1871 }
1872 }
1873 }
1874 return (actual);
1875 }
1876
1877 static size_t
1878 sctp_fill_up_addresses(struct sctp_inpcb *inp,
1879 struct sctp_tcb *stcb,
1880 size_t limit,
1881 struct sockaddr_storage *sas)
1882 {
1883 size_t size = 0;
1884 #ifdef SCTP_MVRF
1885 uint32_t id;
1886 #endif
1887
1888 SCTP_IPI_ADDR_RLOCK();
1889 #ifdef SCTP_MVRF
1890 /*
1891 * FIX ME: ?? this WILL report duplicate addresses if they appear
1892 * in more than one VRF.
1893 */
1894 /* fill up addresses for all VRFs on the endpoint */
1895 for (id = 0; (id < inp->num_vrfs) && (size < limit); id++) {
1896 size += sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
1897 inp->m_vrf_ids[id]);
1898 sas = (struct sockaddr_storage *)((caddr_t)sas + size);
1899 }
1900 #else
1901 /* fill up addresses for the endpoint's default vrf */
1902 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
1903 inp->def_vrf_id);
1904 #endif
1905 SCTP_IPI_ADDR_RUNLOCK();
1906 return (size);
1907 }
1908
1909 /*
1910 * NOTE: assumes addr lock is held
1911 */
1912 static int
1913 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id)
1914 {
1915 int cnt = 0;
1916 struct sctp_vrf *vrf = NULL;
1917
1918 /*
1919 * In both sub-set bound an bound_all cases we return the MAXIMUM
1920 * number of addresses that you COULD get. In reality the sub-set
1921 * bound may have an exclusion list for a given TCB OR in the
1922 * bound-all case a TCB may NOT include the loopback or other
1923 * addresses as well.
1924 */
1925 vrf = sctp_find_vrf(vrf_id);
1926 if (vrf == NULL) {
1927 return (0);
1928 }
1929 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1930 struct sctp_ifn *sctp_ifn;
1931 struct sctp_ifa *sctp_ifa;
1932
1933 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1934 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1935 /* Count them if they are the right type */
1936 switch (sctp_ifa->address.sa.sa_family) {
1937 #ifdef INET
1938 case AF_INET:
1939 if (sctp_is_feature_on(inp,SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1940 cnt += sizeof(struct sockaddr_in6);
1941 else
1942 cnt += sizeof(struct sockaddr_in);
1943 break;
1944 #endif
1945 #ifdef INET6
1946 case AF_INET6:
1947 cnt += sizeof(struct sockaddr_in6);
1948 break;
1949 #endif
1950 #if defined(__Userspace__)
1951 case AF_CONN:
1952 cnt += sizeof(struct sockaddr_conn);
1953 break;
1954 #endif
1955 default:
1956 break;
1957 }
1958 }
1959 }
1960 } else {
1961 struct sctp_laddr *laddr;
1962
1963 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1964 switch (laddr->ifa->address.sa.sa_family) {
1965 #ifdef INET
1966 case AF_INET:
1967 if (sctp_is_feature_on(inp,SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1968 cnt += sizeof(struct sockaddr_in6);
1969 else
1970 cnt += sizeof(struct sockaddr_in);
1971 break;
1972 #endif
1973 #ifdef INET6
1974 case AF_INET6:
1975 cnt += sizeof(struct sockaddr_in6);
1976 break;
1977 #endif
1978 #if defined(__Userspace__)
1979 case AF_CONN:
1980 cnt += sizeof(struct sockaddr_conn);
1981 break;
1982 #endif
1983 default:
1984 break;
1985 }
1986 }
1987 }
1988 return (cnt);
1989 }
1990
1991 static int
1992 sctp_count_max_addresses(struct sctp_inpcb *inp)
1993 {
1994 int cnt = 0;
1995 #ifdef SCTP_MVRF
1996 int id;
1997 #endif
1998
1999 SCTP_IPI_ADDR_RLOCK();
2000 #ifdef SCTP_MVRF
2001 /*
2002 * FIX ME: ?? this WILL count duplicate addresses if they appear
2003 * in more than one VRF.
2004 */
2005 /* count addresses for all VRFs on the endpoint */
2006 for (id = 0; id < inp->num_vrfs; id++) {
2007 cnt += sctp_count_max_addresses_vrf(inp, inp->m_vrf_ids[id]);
2008 }
2009 #else
2010 /* count addresses for the endpoint's default VRF */
2011 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id);
2012 #endif
2013 SCTP_IPI_ADDR_RUNLOCK();
2014 return (cnt);
2015 }
2016
2017 static int
2018 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval,
2019 size_t optsize, void *p, int delay)
2020 {
2021 int error = 0;
2022 int creat_lock_on = 0;
2023 struct sctp_tcb *stcb = NULL;
2024 struct sockaddr *sa;
2025 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr;
2026 uint32_t vrf_id;
2027 int bad_addresses = 0;
2028 sctp_assoc_t *a_id;
2029
2030 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n");
2031
2032 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
2033 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
2034 /* We are already connected AND the TCP model */
2035 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
2036 return (EADDRINUSE);
2037 }
2038
2039 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
2040 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
2041 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2042 return (EINVAL);
2043 }
2044
2045 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
2046 SCTP_INP_RLOCK(inp);
2047 stcb = LIST_FIRST(&inp->sctp_asoc_list);
2048 SCTP_INP_RUNLOCK(inp);
2049 }
2050 if (stcb) {
2051 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
2052 return (EALREADY);
2053 }
2054 SCTP_INP_INCR_REF(inp);
2055 SCTP_ASOC_CREATE_LOCK(inp);
2056 creat_lock_on = 1;
2057 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
2058 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
2059 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
2060 error = EFAULT;
2061 goto out_now;
2062 }
2063 totaddrp = (int *)optval;
2064 totaddr = *totaddrp;
2065 sa = (struct sockaddr *)(totaddrp + 1);
2066 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses);
2067 if ((stcb != NULL) || bad_addresses) {
2068 /* Already have or am bring up an association */
2069 SCTP_ASOC_CREATE_UNLOCK(inp);
2070 creat_lock_on = 0;
2071 if (stcb)
2072 SCTP_TCB_UNLOCK(stcb);
2073 if (bad_addresses == 0) {
2074 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
2075 error = EALREADY;
2076 }
2077 goto out_now;
2078 }
2079 #ifdef INET6
2080 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
2081 (num_v6 > 0)) {
2082 error = EINVAL;
2083 goto out_now;
2084 }
2085 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
2086 (num_v4 > 0)) {
2087 struct in6pcb *inp6;
2088
2089 inp6 = (struct in6pcb *)inp;
2090 if (SCTP_IPV6_V6ONLY(inp6)) {
2091 /*
2092 * if IPV6_V6ONLY flag, ignore connections destined
2093 * to a v4 addr or v4-mapped addr
2094 */
2095 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2096 error = EINVAL;
2097 goto out_now;
2098 }
2099 }
2100 #endif /* INET6 */
2101 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
2102 SCTP_PCB_FLAGS_UNBOUND) {
2103 /* Bind a ephemeral port */
2104 error = sctp_inpcb_bind(so, NULL, NULL, p);
2105 if (error) {
2106 goto out_now;
2107 }
2108 }
2109
2110 /* FIX ME: do we want to pass in a vrf on the connect call? */
2111 vrf_id = inp->def_vrf_id;
2112
2113
2114 /* We are GOOD to go */
2115 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id,
2116 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2117 (struct thread *)p
2118 #elif defined(__Windows__)
2119 (PKTHREAD)p
2120 #else
2121 (struct proc *)p
2122 #endif
2123 );
2124 if (stcb == NULL) {
2125 /* Gak! no memory */
2126 goto out_now;
2127 }
2128 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
2129 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
2130 /* Set the connected flag so we can queue data */
2131 soisconnecting(so);
2132 }
2133 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
2134 /* move to second address */
2135 switch (sa->sa_family) {
2136 #ifdef INET
2137 case AF_INET:
2138 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in));
2139 break;
2140 #endif
2141 #ifdef INET6
2142 case AF_INET6:
2143 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6));
2144 break;
2145 #endif
2146 default:
2147 break;
2148 }
2149
2150 error = 0;
2151 sctp_connectx_helper_add(stcb, sa, (totaddr-1), &error);
2152 /* Fill in the return id */
2153 if (error) {
2154 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_6);
2155 goto out_now;
2156 }
2157 a_id = (sctp_assoc_t *)optval;
2158 *a_id = sctp_get_associd(stcb);
2159
2160 /* initialize authentication parameters for the assoc */
2161 sctp_initialize_auth_params(inp, stcb);
2162
2163 if (delay) {
2164 /* doing delayed connection */
2165 stcb->asoc.delayed_connection = 1;
2166 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination);
2167 } else {
2168 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
2169 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
2170 }
2171 SCTP_TCB_UNLOCK(stcb);
2172 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
2173 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
2174 /* Set the connected flag so we can queue data */
2175 soisconnecting(so);
2176 }
2177 out_now:
2178 if (creat_lock_on) {
2179 SCTP_ASOC_CREATE_UNLOCK(inp);
2180 }
2181 SCTP_INP_DECR_REF(inp);
2182 return (error);
2183 }
2184
2185 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \
2186 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\
2187 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \
2188 SCTP_INP_RLOCK(inp); \
2189 stcb = LIST_FIRST(&inp->sctp_asoc_list); \
2190 if (stcb) { \
2191 SCTP_TCB_LOCK(stcb); \
2192 } \
2193 SCTP_INP_RUNLOCK(inp); \
2194 } else if (assoc_id > SCTP_ALL_ASSOC) { \
2195 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \
2196 if (stcb == NULL) { \
2197 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \
2198 error = ENOENT; \
2199 break; \
2200 } \
2201 } else { \
2202 stcb = NULL; \
2203 } \
2204 }
2205
2206
2207 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\
2208 if (size < sizeof(type)) { \
2209 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \
2210 error = EINVAL; \
2211 break; \
2212 } else { \
2213 destp = (type *)srcp; \
2214 } \
2215 }
2216
2217 #if defined(__Panda__) || defined(__Userspace__)
2218 int
2219 #else
2220 static int
2221 #endif
2222 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
2223 void *p) {
2224 struct sctp_inpcb *inp = NULL;
2225 int error, val = 0;
2226 struct sctp_tcb *stcb = NULL;
2227
2228 if (optval == NULL) {
2229 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2230 return (EINVAL);
2231 }
2232
2233 inp = (struct sctp_inpcb *)so->so_pcb;
2234 if (inp == NULL) {
2235 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2236 return EINVAL;
2237 }
2238 error = 0;
2239
2240 switch (optname) {
2241 case SCTP_NODELAY:
2242 case SCTP_AUTOCLOSE:
2243 case SCTP_EXPLICIT_EOR:
2244 case SCTP_AUTO_ASCONF:
2245 case SCTP_DISABLE_FRAGMENTS:
2246 case SCTP_I_WANT_MAPPED_V4_ADDR:
2247 case SCTP_USE_EXT_RCVINFO:
2248 SCTP_INP_RLOCK(inp);
2249 switch (optname) {
2250 case SCTP_DISABLE_FRAGMENTS:
2251 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT);
2252 break;
2253 case SCTP_I_WANT_MAPPED_V4_ADDR:
2254 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4);
2255 break;
2256 case SCTP_AUTO_ASCONF:
2257 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
2258 /* only valid for bound all sockets */
2259 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);
2260 } else {
2261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2262 error = EINVAL;
2263 goto flags_out;
2264 }
2265 break;
2266 case SCTP_EXPLICIT_EOR:
2267 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR);
2268 break;
2269 case SCTP_NODELAY:
2270 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY);
2271 break;
2272 case SCTP_USE_EXT_RCVINFO:
2273 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO);
2274 break;
2275 case SCTP_AUTOCLOSE:
2276 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE))
2277 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time);
2278 else
2279 val = 0;
2280 break;
2281
2282 default:
2283 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
2284 error = ENOPROTOOPT;
2285 } /* end switch (sopt->sopt_name) */
2286 if (*optsize < sizeof(val)) {
2287 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2288 error = EINVAL;
2289 }
2290 flags_out:
2291 SCTP_INP_RUNLOCK(inp);
2292 if (error == 0) {
2293 /* return the option value */
2294 *(int *)optval = val;
2295 *optsize = sizeof(val);
2296 }
2297 break;
2298 case SCTP_GET_PACKET_LOG:
2299 {
2300 #ifdef SCTP_PACKET_LOGGING
2301 uint8_t *target;
2302 int ret;
2303
2304 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize);
2305 ret = sctp_copy_out_packet_log(target , (int)*optsize);
2306 *optsize = ret;
2307 #else
2308 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
2309 error = EOPNOTSUPP;
2310 #endif
2311 break;
2312 }
2313 case SCTP_REUSE_PORT:
2314 {
2315 uint32_t *value;
2316
2317 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
2318 /* Can't do this for a 1-m socket */
2319 error = EINVAL;
2320 break;
2321 }
2322 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2323 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
2324 *optsize = sizeof(uint32_t);
2325 break;
2326 }
2327 case SCTP_PARTIAL_DELIVERY_POINT:
2328 {
2329 uint32_t *value;
2330
2331 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2332 *value = inp->partial_delivery_point;
2333 *optsize = sizeof(uint32_t);
2334 break;
2335 }
2336 case SCTP_FRAGMENT_INTERLEAVE:
2337 {
2338 uint32_t *value;
2339
2340 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2341 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) {
2342 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) {
2343 *value = SCTP_FRAG_LEVEL_2;
2344 } else {
2345 *value = SCTP_FRAG_LEVEL_1;
2346 }
2347 } else {
2348 *value = SCTP_FRAG_LEVEL_0;
2349 }
2350 *optsize = sizeof(uint32_t);
2351 break;
2352 }
2353 case SCTP_CMT_ON_OFF:
2354 {
2355 struct sctp_assoc_value *av;
2356
2357 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2358 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2359 if (stcb) {
2360 av->assoc_value = stcb->asoc.sctp_cmt_on_off;
2361 SCTP_TCB_UNLOCK(stcb);
2362 } else {
2363 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2364 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2365 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2366 SCTP_INP_RLOCK(inp);
2367 av->assoc_value = inp->sctp_cmt_on_off;
2368 SCTP_INP_RUNLOCK(inp);
2369 } else {
2370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2371 error = EINVAL;
2372 }
2373 }
2374 if (error == 0) {
2375 *optsize = sizeof(struct sctp_assoc_value);
2376 }
2377 break;
2378 }
2379 case SCTP_PLUGGABLE_CC:
2380 {
2381 struct sctp_assoc_value *av;
2382
2383 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2384 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2385 if (stcb) {
2386 av->assoc_value = stcb->asoc.congestion_control_module;
2387 SCTP_TCB_UNLOCK(stcb);
2388 } else {
2389 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2390 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2391 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2392 SCTP_INP_RLOCK(inp);
2393 av->assoc_value = inp->sctp_ep.sctp_default_cc_module;
2394 SCTP_INP_RUNLOCK(inp);
2395 } else {
2396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2397 error = EINVAL;
2398 }
2399 }
2400 if (error == 0) {
2401 *optsize = sizeof(struct sctp_assoc_value);
2402 }
2403 break;
2404 }
2405 case SCTP_CC_OPTION:
2406 {
2407 struct sctp_cc_option *cc_opt;
2408
2409 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize);
2410 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
2411 if (stcb == NULL) {
2412 error = EINVAL;
2413 } else {
2414 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
2415 error = ENOTSUP;
2416 } else {
2417 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option)(stcb, 0, cc_opt);
2418 *optsize = sizeof(struct sctp_cc_option);
2419 }
2420 SCTP_TCB_UNLOCK(stcb);
2421 }
2422 break;
2423 }
2424 case SCTP_PLUGGABLE_SS:
2425 {
2426 struct sctp_assoc_value *av;
2427
2428 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2429 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2430 if (stcb) {
2431 av->assoc_value = stcb->asoc.stream_scheduling_module;
2432 SCTP_TCB_UNLOCK(stcb);
2433 } else {
2434 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2435 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2436 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2437 SCTP_INP_RLOCK(inp);
2438 av->assoc_value = inp->sctp_ep.sctp_default_ss_module;
2439 SCTP_INP_RUNLOCK(inp);
2440 } else {
2441 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2442 error = EINVAL;
2443 }
2444 }
2445 if (error == 0) {
2446 *optsize = sizeof(struct sctp_assoc_value);
2447 }
2448 break;
2449 }
2450 case SCTP_SS_VALUE:
2451 {
2452 struct sctp_stream_value *av;
2453
2454 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize);
2455 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2456 if (stcb) {
2457 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
2458 &av->stream_value) < 0) {
2459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2460 error = EINVAL;
2461 } else {
2462 *optsize = sizeof(struct sctp_stream_value);
2463 }
2464 SCTP_TCB_UNLOCK(stcb);
2465 } else {
2466 /* Can't get stream value without association */
2467 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2468 error = EINVAL;
2469 }
2470 break;
2471 }
2472 case SCTP_GET_ADDR_LEN:
2473 {
2474 struct sctp_assoc_value *av;
2475
2476 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2477 error = EINVAL;
2478 #ifdef INET
2479 if (av->assoc_value == AF_INET) {
2480 av->assoc_value = sizeof(struct sockaddr_in);
2481 error = 0;
2482 }
2483 #endif
2484 #ifdef INET6
2485 if (av->assoc_value == AF_INET6) {
2486 av->assoc_value = sizeof(struct sockaddr_in6);
2487 error = 0;
2488 }
2489 #endif
2490 #if defined(__Userspace__)
2491 if (av->assoc_value == AF_CONN) {
2492 av->assoc_value = sizeof(struct sockaddr_conn);
2493 error = 0;
2494 }
2495 #endif
2496 if (error) {
2497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2498 } else {
2499 *optsize = sizeof(struct sctp_assoc_value);
2500 }
2501 break;
2502 }
2503 case SCTP_GET_ASSOC_NUMBER:
2504 {
2505 uint32_t *value, cnt;
2506
2507 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2508 cnt = 0;
2509 SCTP_INP_RLOCK(inp);
2510 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
2511 cnt++;
2512 }
2513 SCTP_INP_RUNLOCK(inp);
2514 *value = cnt;
2515 *optsize = sizeof(uint32_t);
2516 break;
2517 }
2518 case SCTP_GET_ASSOC_ID_LIST:
2519 {
2520 struct sctp_assoc_ids *ids;
2521 unsigned int at, limit;
2522
2523 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize);
2524 at = 0;
2525 limit = (*optsize-sizeof(uint32_t))/ sizeof(sctp_assoc_t);
2526 SCTP_INP_RLOCK(inp);
2527 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
2528 if (at < limit) {
2529 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb);
2530 } else {
2531 error = EINVAL;
2532 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2533 break;
2534 }
2535 }
2536 SCTP_INP_RUNLOCK(inp);
2537 if (error == 0) {
2538 ids->gaids_number_of_ids = at;
2539 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t));
2540 }
2541 break;
2542 }
2543 case SCTP_CONTEXT:
2544 {
2545 struct sctp_assoc_value *av;
2546
2547 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2548 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2549
2550 if (stcb) {
2551 av->assoc_value = stcb->asoc.context;
2552 SCTP_TCB_UNLOCK(stcb);
2553 } else {
2554 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2555 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2556 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2557 SCTP_INP_RLOCK(inp);
2558 av->assoc_value = inp->sctp_context;
2559 SCTP_INP_RUNLOCK(inp);
2560 } else {
2561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2562 error = EINVAL;
2563 }
2564 }
2565 if (error == 0) {
2566 *optsize = sizeof(struct sctp_assoc_value);
2567 }
2568 break;
2569 }
2570 case SCTP_VRF_ID:
2571 {
2572 uint32_t *default_vrfid;
2573
2574 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize);
2575 *default_vrfid = inp->def_vrf_id;
2576 *optsize = sizeof(uint32_t);
2577 break;
2578 }
2579 case SCTP_GET_ASOC_VRF:
2580 {
2581 struct sctp_assoc_value *id;
2582
2583 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize);
2584 SCTP_FIND_STCB(inp, stcb, id->assoc_id);
2585 if (stcb == NULL) {
2586 error = EINVAL;
2587 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2588 } else {
2589 id->assoc_value = stcb->asoc.vrf_id;
2590 *optsize = sizeof(struct sctp_assoc_value);
2591 }
2592 break;
2593 }
2594 case SCTP_GET_VRF_IDS:
2595 {
2596 #ifdef SCTP_MVRF
2597 int siz_needed;
2598 uint32_t *vrf_ids;
2599
2600 SCTP_CHECK_AND_CAST(vrf_ids, optval, uint32_t, *optsize);
2601 siz_needed = inp->num_vrfs * sizeof(uint32_t);
2602 if (*optsize < siz_needed) {
2603 error = EINVAL;
2604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2605 } else {
2606 memcpy(vrf_ids, inp->m_vrf_ids, siz_needed);
2607 *optsize = siz_needed;
2608 }
2609 #else
2610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
2611 error = EOPNOTSUPP;
2612 #endif
2613 break;
2614 }
2615 case SCTP_GET_NONCE_VALUES:
2616 {
2617 struct sctp_get_nonce_values *gnv;
2618
2619 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize);
2620 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id);
2621
2622 if (stcb) {
2623 gnv->gn_peers_tag = stcb->asoc.peer_vtag;
2624 gnv->gn_local_tag = stcb->asoc.my_vtag;
2625 SCTP_TCB_UNLOCK(stcb);
2626 *optsize = sizeof(struct sctp_get_nonce_values);
2627 } else {
2628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2629 error = ENOTCONN;
2630 }
2631 break;
2632 }
2633 case SCTP_DELAYED_SACK:
2634 {
2635 struct sctp_sack_info *sack;
2636
2637 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize);
2638 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
2639 if (stcb) {
2640 sack->sack_delay = stcb->asoc.delayed_ack;
2641 sack->sack_freq = stcb->asoc.sack_freq;
2642 SCTP_TCB_UNLOCK(stcb);
2643 } else {
2644 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2645 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2646 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) {
2647 SCTP_INP_RLOCK(inp);
2648 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]);
2649 sack->sack_freq = inp->sctp_ep.sctp_sack_freq;
2650 SCTP_INP_RUNLOCK(inp);
2651 } else {
2652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2653 error = EINVAL;
2654 }
2655 }
2656 if (error == 0) {
2657 *optsize = sizeof(struct sctp_sack_info);
2658 }
2659 break;
2660 }
2661 case SCTP_GET_SNDBUF_USE:
2662 {
2663 struct sctp_sockstat *ss;
2664
2665 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize);
2666 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id);
2667
2668 if (stcb) {
2669 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size;
2670 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue +
2671 stcb->asoc.size_on_all_streams);
2672 SCTP_TCB_UNLOCK(stcb);
2673 *optsize = sizeof(struct sctp_sockstat);
2674 } else {
2675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2676 error = ENOTCONN;
2677 }
2678 break;
2679 }
2680 case SCTP_MAX_BURST:
2681 {
2682 #if defined(__FreeBSD__) && __FreeBSD_version < 900000
2683 uint8_t *value;
2684
2685 SCTP_CHECK_AND_CAST(value, optval, uint8_t, *optsize);
2686
2687 SCTP_INP_RLOCK(inp);
2688 if (inp->sctp_ep.max_burst < 256) {
2689 *value = inp->sctp_ep.max_burst;
2690 } else {
2691 *value = 255;
2692 }
2693 SCTP_INP_RUNLOCK(inp);
2694 *optsize = sizeof(uint8_t);
2695 #else
2696 struct sctp_assoc_value *av;
2697
2698 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2699 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2700
2701 if (stcb) {
2702 av->assoc_value = stcb->asoc.max_burst;
2703 SCTP_TCB_UNLOCK(stcb);
2704 } else {
2705 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2706 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2707 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2708 SCTP_INP_RLOCK(inp);
2709 av->assoc_value = inp->sctp_ep.max_burst;
2710 SCTP_INP_RUNLOCK(inp);
2711 } else {
2712 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2713 error = EINVAL;
2714 }
2715 }
2716 if (error == 0) {
2717 *optsize = sizeof(struct sctp_assoc_value);
2718 }
2719 #endif
2720 break;
2721 }
2722 case SCTP_MAXSEG:
2723 {
2724 struct sctp_assoc_value *av;
2725 int ovh;
2726
2727 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2728 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2729
2730 if (stcb) {
2731 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc);
2732 SCTP_TCB_UNLOCK(stcb);
2733 } else {
2734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2735 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2736 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2737 SCTP_INP_RLOCK(inp);
2738 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
2739 ovh = SCTP_MED_OVERHEAD;
2740 } else {
2741 ovh = SCTP_MED_V4_OVERHEAD;
2742 }
2743 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT)
2744 av->assoc_value = 0;
2745 else
2746 av->assoc_value = inp->sctp_frag_point - ovh;
2747 SCTP_INP_RUNLOCK(inp);
2748 } else {
2749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2750 error = EINVAL;
2751 }
2752 }
2753 if (error == 0) {
2754 *optsize = sizeof(struct sctp_assoc_value);
2755 }
2756 break;
2757 }
2758 case SCTP_GET_STAT_LOG:
2759 error = sctp_fill_stat_log(optval, optsize);
2760 break;
2761 case SCTP_EVENTS:
2762 {
2763 struct sctp_event_subscribe *events;
2764
2765 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize);
2766 memset(events, 0, sizeof(struct sctp_event_subscribe));
2767 SCTP_INP_RLOCK(inp);
2768 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT))
2769 events->sctp_data_io_event = 1;
2770
2771 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT))
2772 events->sctp_association_event = 1;
2773
2774 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT))
2775 events->sctp_address_event = 1;
2776
2777 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT))
2778 events->sctp_send_failure_event = 1;
2779
2780 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR))
2781 events->sctp_peer_error_event = 1;
2782
2783 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT))
2784 events->sctp_shutdown_event = 1;
2785
2786 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT))
2787 events->sctp_partial_delivery_event = 1;
2788
2789 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT))
2790 events->sctp_adaptation_layer_event = 1;
2791
2792 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT))
2793 events->sctp_authentication_event = 1;
2794
2795 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT))
2796 events->sctp_sender_dry_event = 1;
2797
2798 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT))
2799 events->sctp_stream_reset_event = 1;
2800 SCTP_INP_RUNLOCK(inp);
2801 *optsize = sizeof(struct sctp_event_subscribe);
2802 break;
2803 }
2804 case SCTP_ADAPTATION_LAYER:
2805 {
2806 uint32_t *value;
2807
2808 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2809
2810 SCTP_INP_RLOCK(inp);
2811 *value = inp->sctp_ep.adaptation_layer_indicator;
2812 SCTP_INP_RUNLOCK(inp);
2813 *optsize = sizeof(uint32_t);
2814 break;
2815 }
2816 case SCTP_SET_INITIAL_DBG_SEQ:
2817 {
2818 uint32_t *value;
2819
2820 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2821 SCTP_INP_RLOCK(inp);
2822 *value = inp->sctp_ep.initial_sequence_debug;
2823 SCTP_INP_RUNLOCK(inp);
2824 *optsize = sizeof(uint32_t);
2825 break;
2826 }
2827 case SCTP_GET_LOCAL_ADDR_SIZE:
2828 {
2829 uint32_t *value;
2830
2831 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2832 SCTP_INP_RLOCK(inp);
2833 *value = sctp_count_max_addresses(inp);
2834 SCTP_INP_RUNLOCK(inp);
2835 *optsize = sizeof(uint32_t);
2836 break;
2837 }
2838 case SCTP_GET_REMOTE_ADDR_SIZE:
2839 {
2840 uint32_t *value;
2841 size_t size;
2842 struct sctp_nets *net;
2843
2844 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2845 /* FIXME MT: change to sctp_assoc_value? */
2846 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) *value);
2847
2848 if (stcb) {
2849 size = 0;
2850 /* Count the sizes */
2851 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2852 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2853 size += sizeof(struct sockaddr_in6);
2854 } else {
2855 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) {
2856 #ifdef INET
2857 case AF_INET:
2858 size += sizeof(struct sockaddr_in);
2859 break;
2860 #endif
2861 #ifdef INET6
2862 case AF_INET6:
2863 size += sizeof(struct sockaddr_in6);
2864 break;
2865 #endif
2866 #if defined(__Userspace__)
2867 case AF_CONN:
2868 size += sizeof(struct sockaddr_conn);
2869 break;
2870 #endif
2871 default:
2872 break;
2873 }
2874 }
2875 }
2876 SCTP_TCB_UNLOCK(stcb);
2877 *value = (uint32_t) size;
2878 *optsize = sizeof(uint32_t);
2879 } else {
2880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2881 error = ENOTCONN;
2882 }
2883 break;
2884 }
2885 case SCTP_GET_PEER_ADDRESSES:
2886 /*
2887 * Get the address information, an array is passed in to
2888 * fill up we pack it.
2889 */
2890 {
2891 size_t cpsz, left;
2892 struct sockaddr_storage *sas;
2893 struct sctp_nets *net;
2894 struct sctp_getaddresses *saddr;
2895
2896 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2897 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2898
2899 if (stcb) {
2900 left = (*optsize) - sizeof(struct sctp_getaddresses);
2901 *optsize = sizeof(struct sctp_getaddresses);
2902 sas = (struct sockaddr_storage *)&saddr->addr[0];
2903
2904 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2905 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2906 cpsz = sizeof(struct sockaddr_in6);
2907 } else {
2908 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) {
2909 #ifdef INET
2910 case AF_INET:
2911 cpsz = sizeof(struct sockaddr_in);
2912 break;
2913 #endif
2914 #ifdef INET6
2915 case AF_INET6:
2916 cpsz = sizeof(struct sockaddr_in6);
2917 break;
2918 #endif
2919 #if defined(__Userspace__)
2920 case AF_CONN:
2921 cpsz = sizeof(struct sockaddr_conn);
2922 break;
2923 #endif
2924 default:
2925 cpsz = 0;
2926 break;
2927 }
2928 }
2929 if (cpsz == 0) {
2930 break;
2931 }
2932 if (left < cpsz) {
2933 /* not enough room. */
2934 break;
2935 }
2936 #if defined(INET) && defined(INET6)
2937 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) &&
2938 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) {
2939 /* Must map the address */
2940 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr,
2941 (struct sockaddr_in6 *)sas);
2942 } else {
2943 #endif
2944 memcpy(sas, &net->ro._l_addr, cpsz);
2945 #if defined(INET) && defined(INET6)
2946 }
2947 #endif
2948 ((struct sockaddr_in *)sas)->sin_port = stcb->rport;
2949
2950 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz);
2951 left -= cpsz;
2952 *optsize += cpsz;
2953 }
2954 SCTP_TCB_UNLOCK(stcb);
2955 } else {
2956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2957 error = ENOENT;
2958 }
2959 break;
2960 }
2961 case SCTP_GET_LOCAL_ADDRESSES:
2962 {
2963 size_t limit, actual;
2964 struct sockaddr_storage *sas;
2965 struct sctp_getaddresses *saddr;
2966
2967 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2968 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2969
2970 sas = (struct sockaddr_storage *)&saddr->addr[0];
2971 limit = *optsize - sizeof(sctp_assoc_t);
2972 actual = sctp_fill_up_addresses(inp, stcb, limit, sas);
2973 if (stcb) {
2974 SCTP_TCB_UNLOCK(stcb);
2975 }
2976 *optsize = sizeof(struct sockaddr_storage) + actual;
2977 break;
2978 }
2979 case SCTP_PEER_ADDR_PARAMS:
2980 {
2981 struct sctp_paddrparams *paddrp;
2982 struct sctp_nets *net;
2983
2984 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize);
2985 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
2986
2987 net = NULL;
2988 if (stcb) {
2989 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
2990 } else {
2991 /* We increment here since sctp_findassociation_ep_addr() wil
2992 * do a decrement if it finds the stcb as long as the locked
2993 * tcb (last argument) is NOT a TCB.. aka NULL.
2994 */
2995 SCTP_INP_INCR_REF(inp);
2996 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL);
2997 if (stcb == NULL) {
2998 SCTP_INP_DECR_REF(inp);
2999 }
3000 }
3001 if (stcb && (net == NULL)) {
3002 struct sockaddr *sa;
3003
3004 sa = (struct sockaddr *)&paddrp->spp_address;
3005 #ifdef INET
3006 if (sa->sa_family == AF_INET) {
3007 struct sockaddr_in *sin;
3008
3009 sin = (struct sockaddr_in *)sa;
3010 if (sin->sin_addr.s_addr) {
3011 error = EINVAL;
3012 SCTP_TCB_UNLOCK(stcb);
3013 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3014 break;
3015 }
3016 } else
3017 #endif
3018 #ifdef INET6
3019 if (sa->sa_family == AF_INET6) {
3020 struct sockaddr_in6 *sin6;
3021
3022 sin6 = (struct sockaddr_in6 *)sa;
3023 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3024 error = EINVAL;
3025 SCTP_TCB_UNLOCK(stcb);
3026 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3027 break;
3028 }
3029 } else
3030 #endif
3031 #if defined(__Userspace__)
3032 if (sa->sa_family == AF_CONN) {
3033 struct sockaddr_conn *sconn;
3034
3035 sconn = (struct sockaddr_conn *)sa;
3036 if (sconn->sconn_addr != NULL) {
3037 error = EINVAL;
3038 SCTP_TCB_UNLOCK(stcb);
3039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3040 break;
3041 }
3042 } else
3043 #endif
3044 {
3045 error = EAFNOSUPPORT;
3046 SCTP_TCB_UNLOCK(stcb);
3047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3048 break;
3049 }
3050 }
3051
3052 if (stcb) {
3053 /* Applies to the specific association */
3054 paddrp->spp_flags = 0;
3055 if (net) {
3056 int ovh;
3057 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
3058 ovh = SCTP_MED_OVERHEAD;
3059 } else {
3060 ovh = SCTP_MED_V4_OVERHEAD;
3061 }
3062
3063 paddrp->spp_hbinterval = net->heart_beat_delay;
3064 paddrp->spp_pathmaxrxt = net->failure_threshold;
3065 paddrp->spp_pathmtu = net->mtu - ovh;
3066 /* get flags for HB */
3067 if (net->dest_state & SCTP_ADDR_NOHB) {
3068 paddrp->spp_flags |= SPP_HB_DISABLE;
3069 } else {
3070 paddrp->spp_flags |= SPP_HB_ENABLE;
3071 }
3072 /* get flags for PMTU */
3073 if (net->dest_state & SCTP_ADDR_NO_PMTUD) {
3074 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
3075 } else {
3076 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
3077 }
3078 if (net->dscp & 0x01) {
3079 paddrp->spp_dscp = net->dscp & 0xfc;
3080 paddrp->spp_flags |= SPP_DSCP;
3081 }
3082 #ifdef INET6
3083 if ((net->ro._l_addr.sa.sa_family == AF_INET6) &&
3084 (net->flowlabel & 0x80000000)) {
3085 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff;
3086 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
3087 }
3088 #endif
3089 } else {
3090 /*
3091 * No destination so return default
3092 * value
3093 */
3094 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
3095 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc);
3096 if (stcb->asoc.default_dscp & 0x01) {
3097 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc;
3098 paddrp->spp_flags |= SPP_DSCP;
3099 }
3100 #ifdef INET6
3101 if (stcb->asoc.default_flowlabel & 0x80000000) {
3102 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff;
3103 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
3104 }
3105 #endif
3106 /* default settings should be these */
3107 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
3108 paddrp->spp_flags |= SPP_HB_DISABLE;
3109 } else {
3110 paddrp->spp_flags |= SPP_HB_ENABLE;
3111 }
3112 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
3113 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
3114 } else {
3115 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
3116 }
3117 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay;
3118 }
3119 paddrp->spp_assoc_id = sctp_get_associd(stcb);
3120 SCTP_TCB_UNLOCK(stcb);
3121 } else {
3122 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3123 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3124 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) {
3125 /* Use endpoint defaults */
3126 SCTP_INP_RLOCK(inp);
3127 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure;
3128 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]);
3129 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC;
3130 /* get inp's default */
3131 if (inp->sctp_ep.default_dscp & 0x01) {
3132 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc;
3133 paddrp->spp_flags |= SPP_DSCP;
3134 }
3135 #ifdef INET6
3136 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
3137 (inp->sctp_ep.default_flowlabel & 0x80000000)) {
3138 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff;
3139 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
3140 }
3141 #endif
3142 /* can't return this */
3143 paddrp->spp_pathmtu = 0;
3144
3145 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
3146 paddrp->spp_flags |= SPP_HB_ENABLE;
3147 } else {
3148 paddrp->spp_flags |= SPP_HB_DISABLE;
3149 }
3150 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
3151 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
3152 } else {
3153 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
3154 }
3155 SCTP_INP_RUNLOCK(inp);
3156 } else {
3157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3158 error = EINVAL;
3159 }
3160 }
3161 if (error == 0) {
3162 *optsize = sizeof(struct sctp_paddrparams);
3163 }
3164 break;
3165 }
3166 case SCTP_GET_PEER_ADDR_INFO:
3167 {
3168 struct sctp_paddrinfo *paddri;
3169 struct sctp_nets *net;
3170
3171 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize);
3172 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id);
3173
3174 net = NULL;
3175 if (stcb) {
3176 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address);
3177 } else {
3178 /* We increment here since sctp_findassociation_ep_addr() wil
3179 * do a decrement if it finds the stcb as long as the locked
3180 * tcb (last argument) is NOT a TCB.. aka NULL.
3181 */
3182 SCTP_INP_INCR_REF(inp);
3183 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL);
3184 if (stcb == NULL) {
3185 SCTP_INP_DECR_REF(inp);
3186 }
3187 }
3188
3189 if ((stcb) && (net)) {
3190 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
3191 /* It's unconfirmed */
3192 paddri->spinfo_state = SCTP_UNCONFIRMED;
3193 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
3194 /* It's active */
3195 paddri->spinfo_state = SCTP_ACTIVE;
3196 } else {
3197 /* It's inactive */
3198 paddri->spinfo_state = SCTP_INACTIVE;
3199 }
3200 paddri->spinfo_cwnd = net->cwnd;
3201 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
3202 paddri->spinfo_rto = net->RTO;
3203 paddri->spinfo_assoc_id = sctp_get_associd(stcb);
3204 paddri->spinfo_mtu = net->mtu;
3205 SCTP_TCB_UNLOCK(stcb);
3206 *optsize = sizeof(struct sctp_paddrinfo);
3207 } else {
3208 if (stcb) {
3209 SCTP_TCB_UNLOCK(stcb);
3210 }
3211 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
3212 error = ENOENT;
3213 }
3214 break;
3215 }
3216 case SCTP_PCB_STATUS:
3217 {
3218 struct sctp_pcbinfo *spcb;
3219
3220 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize);
3221 sctp_fill_pcbinfo(spcb);
3222 *optsize = sizeof(struct sctp_pcbinfo);
3223 break;
3224 }
3225 case SCTP_STATUS:
3226 {
3227 struct sctp_nets *net;
3228 struct sctp_status *sstat;
3229
3230 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize);
3231 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id);
3232
3233 if (stcb == NULL) {
3234 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3235 error = EINVAL;
3236 break;
3237 }
3238 /*
3239 * I think passing the state is fine since
3240 * sctp_constants.h will be available to the user
3241 * land.
3242 */
3243 sstat->sstat_state = stcb->asoc.state;
3244 sstat->sstat_assoc_id = sctp_get_associd(stcb);
3245 sstat->sstat_rwnd = stcb->asoc.peers_rwnd;
3246 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt;
3247 /*
3248 * We can't include chunks that have been passed to
3249 * the socket layer. Only things in queue.
3250 */
3251 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue +
3252 stcb->asoc.cnt_on_all_streams);
3253
3254
3255 sstat->sstat_instrms = stcb->asoc.streamincnt;
3256 sstat->sstat_outstrms = stcb->asoc.streamoutcnt;
3257 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc);
3258 #ifdef HAVE_SA_LEN
3259 memcpy(&sstat->sstat_primary.spinfo_address,
3260 &stcb->asoc.primary_destination->ro._l_addr,
3261 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len);
3262 #else
3263 if (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family == AF_INET) {
3264 memcpy(&sstat->sstat_primary.spinfo_address,
3265 &stcb->asoc.primary_destination->ro._l_addr,
3266 sizeof(struct sockaddr_in));
3267 } else {
3268 memcpy(&sstat->sstat_primary.spinfo_address,
3269 &stcb->asoc.primary_destination->ro._l_addr,
3270 sizeof(struct sockaddr_in6));
3271 }
3272 #endif
3273 net = stcb->asoc.primary_destination;
3274 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport;
3275 /*
3276 * Again the user can get info from sctp_constants.h
3277 * for what the state of the network is.
3278 */
3279 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
3280 /* It's unconfirmed */
3281 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED;
3282 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
3283 /* It's active */
3284 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE;
3285 } else {
3286 /* It's inactive */
3287 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE;
3288 }
3289 sstat->sstat_primary.spinfo_cwnd = net->cwnd;
3290 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
3291 sstat->sstat_primary.spinfo_rto = net->RTO;
3292 sstat->sstat_primary.spinfo_mtu = net->mtu;
3293 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb);
3294 SCTP_TCB_UNLOCK(stcb);
3295 *optsize = sizeof(struct sctp_status);
3296 break;
3297 }
3298 case SCTP_RTOINFO:
3299 {
3300 struct sctp_rtoinfo *srto;
3301
3302 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize);
3303 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
3304
3305 if (stcb) {
3306 srto->srto_initial = stcb->asoc.initial_rto;
3307 srto->srto_max = stcb->asoc.maxrto;
3308 srto->srto_min = stcb->asoc.minrto;
3309 SCTP_TCB_UNLOCK(stcb);
3310 } else {
3311 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3312 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3313 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) {
3314 SCTP_INP_RLOCK(inp);
3315 srto->srto_initial = inp->sctp_ep.initial_rto;
3316 srto->srto_max = inp->sctp_ep.sctp_maxrto;
3317 srto->srto_min = inp->sctp_ep.sctp_minrto;
3318 SCTP_INP_RUNLOCK(inp);
3319 } else {
3320 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3321 error = EINVAL;
3322 }
3323 }
3324 if (error == 0) {
3325 *optsize = sizeof(struct sctp_rtoinfo);
3326 }
3327 break;
3328 }
3329 case SCTP_TIMEOUTS:
3330 {
3331 struct sctp_timeouts *stimo;
3332
3333 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize);
3334 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id);
3335
3336 if (stcb) {
3337 stimo->stimo_init= stcb->asoc.timoinit;
3338 stimo->stimo_data= stcb->asoc.timodata;
3339 stimo->stimo_sack= stcb->asoc.timosack;
3340 stimo->stimo_shutdown= stcb->asoc.timoshutdown;
3341 stimo->stimo_heartbeat= stcb->asoc.timoheartbeat;
3342 stimo->stimo_cookie= stcb->asoc.timocookie;
3343 stimo->stimo_shutdownack= stcb->asoc.timoshutdownack;
3344 SCTP_TCB_UNLOCK(stcb);
3345 *optsize = sizeof(struct sctp_timeouts);
3346 } else {
3347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3348 error = EINVAL;
3349 }
3350 break;
3351 }
3352 case SCTP_ASSOCINFO:
3353 {
3354 struct sctp_assocparams *sasoc;
3355
3356 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize);
3357 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
3358
3359 if (stcb) {
3360 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life);
3361 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times;
3362 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
3363 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd;
3364 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd;
3365 SCTP_TCB_UNLOCK(stcb);
3366 } else {
3367 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3368 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3369 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
3370 SCTP_INP_RLOCK(inp);
3371 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life);
3372 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times;
3373 sasoc->sasoc_number_peer_destinations = 0;
3374 sasoc->sasoc_peer_rwnd = 0;
3375 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv);
3376 SCTP_INP_RUNLOCK(inp);
3377 } else {
3378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3379 error = EINVAL;
3380 }
3381 }
3382 if (error == 0) {
3383 *optsize = sizeof(struct sctp_assocparams);
3384 }
3385 break;
3386 }
3387 case SCTP_DEFAULT_SEND_PARAM:
3388 {
3389 struct sctp_sndrcvinfo *s_info;
3390
3391 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize);
3392 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
3393
3394 if (stcb) {
3395 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send));
3396 SCTP_TCB_UNLOCK(stcb);
3397 } else {
3398 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3399 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3400 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) {
3401 SCTP_INP_RLOCK(inp);
3402 memcpy(s_info, &inp->def_send, sizeof(inp->def_send));
3403 SCTP_INP_RUNLOCK(inp);
3404 } else {
3405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3406 error = EINVAL;
3407 }
3408 }
3409 if (error == 0) {
3410 *optsize = sizeof(struct sctp_sndrcvinfo);
3411 }
3412 break;
3413 }
3414 case SCTP_INITMSG:
3415 {
3416 struct sctp_initmsg *sinit;
3417
3418 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize);
3419 SCTP_INP_RLOCK(inp);
3420 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count;
3421 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome;
3422 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times;
3423 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max;
3424 SCTP_INP_RUNLOCK(inp);
3425 *optsize = sizeof(struct sctp_initmsg);
3426 break;
3427 }
3428 case SCTP_PRIMARY_ADDR:
3429 /* we allow a "get" operation on this */
3430 {
3431 struct sctp_setprim *ssp;
3432
3433 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize);
3434 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id);
3435
3436 if (stcb) {
3437 /* simply copy out the sockaddr_storage... */
3438 size_t len;
3439
3440 len = *optsize;
3441 #ifdef HAVE_SA_LEN
3442 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len)
3443 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len;
3444 #else
3445 if (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family == AF_INET &&
3446 len > sizeof(struct sockaddr_in))
3447 len = sizeof(struct sockaddr_in);
3448 else if (
3449 stcb->asoc.primary_destination->ro._l_addr.sa.sa_family == AF_INET6 &&
3450 len > sizeof(struct sockaddr_in6))
3451 len = sizeof(struct sockaddr_in6);
3452 #endif
3453
3454 memcpy(&ssp->ssp_addr,
3455 &stcb->asoc.primary_destination->ro._l_addr,
3456 len);
3457 SCTP_TCB_UNLOCK(stcb);
3458 *optsize = sizeof(struct sctp_setprim);
3459 } else {
3460 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3461 error = EINVAL;
3462 }
3463 break;
3464 }
3465 case SCTP_HMAC_IDENT:
3466 {
3467 struct sctp_hmacalgo *shmac;
3468 sctp_hmaclist_t *hmaclist;
3469 uint32_t size;
3470 int i;
3471
3472 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize);
3473
3474 SCTP_INP_RLOCK(inp);
3475 hmaclist = inp->sctp_ep.local_hmacs;
3476 if (hmaclist == NULL) {
3477 /* no HMACs to return */
3478 *optsize = sizeof(*shmac);
3479 SCTP_INP_RUNLOCK(inp);
3480 break;
3481 }
3482 /* is there room for all of the hmac ids? */
3483 size = sizeof(*shmac) + (hmaclist->num_algo *
3484 sizeof(shmac->shmac_idents[0]));
3485 if ((size_t)(*optsize) < size) {
3486 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3487 error = EINVAL;
3488 SCTP_INP_RUNLOCK(inp);
3489 break;
3490 }
3491 /* copy in the list */
3492 shmac->shmac_number_of_idents = hmaclist->num_algo;
3493 for (i = 0; i < hmaclist->num_algo; i++) {
3494 shmac->shmac_idents[i] = hmaclist->hmac[i];
3495 }
3496 SCTP_INP_RUNLOCK(inp);
3497 *optsize = size;
3498 break;
3499 }
3500 case SCTP_AUTH_ACTIVE_KEY:
3501 {
3502 struct sctp_authkeyid *scact;
3503
3504 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize);
3505 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
3506
3507 if (stcb) {
3508 /* get the active key on the assoc */
3509 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid;
3510 SCTP_TCB_UNLOCK(stcb);
3511 } else {
3512 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3513 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3514 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) {
3515 /* get the endpoint active key */
3516 SCTP_INP_RLOCK(inp);
3517 scact->scact_keynumber = inp->sctp_ep.default_keyid;
3518 SCTP_INP_RUNLOCK(inp);
3519 } else {
3520 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3521 error = EINVAL;
3522 }
3523 }
3524 if (error == 0) {
3525 *optsize = sizeof(struct sctp_authkeyid);
3526 }
3527 break;
3528 }
3529 case SCTP_LOCAL_AUTH_CHUNKS:
3530 {
3531 struct sctp_authchunks *sac;
3532 sctp_auth_chklist_t *chklist = NULL;
3533 size_t size = 0;
3534
3535 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
3536 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
3537
3538 if (stcb) {
3539 /* get off the assoc */
3540 chklist = stcb->asoc.local_auth_chunks;
3541 /* is there enough space? */
3542 size = sctp_auth_get_chklist_size(chklist);
3543 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
3544 error = EINVAL;
3545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3546 } else {
3547 /* copy in the chunks */
3548 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
3549 sac->gauth_number_of_chunks = (uint32_t)size;
3550 *optsize = sizeof(struct sctp_authchunks) + size;
3551 }
3552 SCTP_TCB_UNLOCK(stcb);
3553 } else {
3554 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3555 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3556 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) {
3557 /* get off the endpoint */
3558 SCTP_INP_RLOCK(inp);
3559 chklist = inp->sctp_ep.local_auth_chunks;
3560 /* is there enough space? */
3561 size = sctp_auth_get_chklist_size(chklist);
3562 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
3563 error = EINVAL;
3564 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3565 } else {
3566 /* copy in the chunks */
3567 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
3568 sac->gauth_number_of_chunks = (uint32_t)size;
3569 *optsize = sizeof(struct sctp_authchunks) + size;
3570 }
3571 SCTP_INP_RUNLOCK(inp);
3572 } else {
3573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3574 error = EINVAL;
3575 }
3576 }
3577 break;
3578 }
3579 case SCTP_PEER_AUTH_CHUNKS:
3580 {
3581 struct sctp_authchunks *sac;
3582 sctp_auth_chklist_t *chklist = NULL;
3583 size_t size = 0;
3584
3585 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
3586 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
3587
3588 if (stcb) {
3589 /* get off the assoc */
3590 chklist = stcb->asoc.peer_auth_chunks;
3591 /* is there enough space? */
3592 size = sctp_auth_get_chklist_size(chklist);
3593 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
3594 error = EINVAL;
3595 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3596 } else {
3597 /* copy in the chunks */
3598 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
3599 sac->gauth_number_of_chunks = (uint32_t)size;
3600 *optsize = sizeof(struct sctp_authchunks) + size;
3601 }
3602 SCTP_TCB_UNLOCK(stcb);
3603 } else {
3604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
3605 error = ENOENT;
3606 }
3607 break;
3608 }
3609 #if defined(HAVE_SCTP_PEELOFF_SOCKOPT)
3610 case SCTP_PEELOFF:
3611 {
3612 struct sctp_peeloff_opt *peeloff;
3613
3614 SCTP_CHECK_AND_CAST(peeloff, optval, struct sctp_peeloff_opt, *optsize);
3615 /* do the peeloff */
3616 error = sctp_peeloff_option(p, peeloff);
3617 if (error == 0) {
3618 *optsize = sizeof(struct sctp_peeloff_opt);
3619 }
3620 }
3621 break;
3622 #endif /* HAVE_SCTP_PEELOFF_SOCKOPT */
3623 case SCTP_EVENT:
3624 {
3625 struct sctp_event *event;
3626 uint32_t event_type;
3627
3628 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize);
3629 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
3630
3631 switch (event->se_type) {
3632 case SCTP_ASSOC_CHANGE:
3633 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
3634 break;
3635 case SCTP_PEER_ADDR_CHANGE:
3636 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
3637 break;
3638 case SCTP_REMOTE_ERROR:
3639 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
3640 break;
3641 case SCTP_SEND_FAILED:
3642 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
3643 break;
3644 case SCTP_SHUTDOWN_EVENT:
3645 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
3646 break;
3647 case SCTP_ADAPTATION_INDICATION:
3648 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
3649 break;
3650 case SCTP_PARTIAL_DELIVERY_EVENT:
3651 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
3652 break;
3653 case SCTP_AUTHENTICATION_EVENT:
3654 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
3655 break;
3656 case SCTP_STREAM_RESET_EVENT:
3657 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
3658 break;
3659 case SCTP_SENDER_DRY_EVENT:
3660 event_type = SCTP_PCB_FLAGS_DRYEVNT;
3661 break;
3662 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
3663 event_type = 0;
3664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
3665 error = ENOTSUP;
3666 break;
3667 case SCTP_ASSOC_RESET_EVENT:
3668 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
3669 break;
3670 case SCTP_STREAM_CHANGE_EVENT:
3671 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
3672 break;
3673 case SCTP_SEND_FAILED_EVENT:
3674 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
3675 break;
3676 default:
3677 event_type = 0;
3678 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3679 error = EINVAL;
3680 break;
3681 }
3682 if (event_type > 0) {
3683 if (stcb) {
3684 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type);
3685 SCTP_TCB_UNLOCK(stcb);
3686 } else {
3687 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3688 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3689 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) {
3690 SCTP_INP_RLOCK(inp);
3691 event->se_on = sctp_is_feature_on(inp, event_type);
3692 SCTP_INP_RUNLOCK(inp);
3693 } else {
3694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3695 error = EINVAL;
3696 }
3697 }
3698 }
3699 if (error == 0) {
3700 *optsize = sizeof(struct sctp_event);
3701 }
3702 break;
3703 }
3704 case SCTP_RECVRCVINFO:
3705 {
3706 int onoff;
3707
3708 if (*optsize < sizeof(int)) {
3709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3710 error = EINVAL;
3711 } else {
3712 SCTP_INP_RLOCK(inp);
3713 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
3714 SCTP_INP_RUNLOCK(inp);
3715 }
3716 if (error == 0) {
3717 /* return the option value */
3718 *(int *)optval = onoff;
3719 *optsize = sizeof(int);
3720 }
3721 break;
3722 }
3723 case SCTP_RECVNXTINFO:
3724 {
3725 int onoff;
3726
3727 if (*optsize < sizeof(int)) {
3728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3729 error = EINVAL;
3730 } else {
3731 SCTP_INP_RLOCK(inp);
3732 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
3733 SCTP_INP_RUNLOCK(inp);
3734 }
3735 if (error == 0) {
3736 /* return the option value */
3737 *(int *)optval = onoff;
3738 *optsize = sizeof(int);
3739 }
3740 break;
3741 }
3742 case SCTP_DEFAULT_SNDINFO:
3743 {
3744 struct sctp_sndinfo *info;
3745
3746 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize);
3747 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
3748
3749 if (stcb) {
3750 info->snd_sid = stcb->asoc.def_send.sinfo_stream;
3751 info->snd_flags = stcb->asoc.def_send.sinfo_flags;
3752 info->snd_flags &= 0xfff0;
3753 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid;
3754 info->snd_context = stcb->asoc.def_send.sinfo_context;
3755 SCTP_TCB_UNLOCK(stcb);
3756 } else {
3757 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3758 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3759 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) {
3760 SCTP_INP_RLOCK(inp);
3761 info->snd_sid = inp->def_send.sinfo_stream;
3762 info->snd_flags = inp->def_send.sinfo_flags;
3763 info->snd_flags &= 0xfff0;
3764 info->snd_ppid = inp->def_send.sinfo_ppid;
3765 info->snd_context = inp->def_send.sinfo_context;
3766 SCTP_INP_RUNLOCK(inp);
3767 } else {
3768 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3769 error = EINVAL;
3770 }
3771 }
3772 if (error == 0) {
3773 *optsize = sizeof(struct sctp_sndinfo);
3774 }
3775 break;
3776 }
3777 case SCTP_DEFAULT_PRINFO:
3778 {
3779 struct sctp_default_prinfo *info;
3780
3781 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize);
3782 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
3783
3784 if (stcb) {
3785 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
3786 info->pr_value = stcb->asoc.def_send.sinfo_timetolive;
3787 SCTP_TCB_UNLOCK(stcb);
3788 } else {
3789 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3790 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3791 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) {
3792 SCTP_INP_RLOCK(inp);
3793 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
3794 info->pr_value = inp->def_send.sinfo_timetolive;
3795 SCTP_INP_RUNLOCK(inp);
3796 } else {
3797 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3798 error = EINVAL;
3799 }
3800 }
3801 if (error == 0) {
3802 *optsize = sizeof(struct sctp_default_prinfo);
3803 }
3804 break;
3805 }
3806 case SCTP_PEER_ADDR_THLDS:
3807 {
3808 struct sctp_paddrthlds *thlds;
3809 struct sctp_nets *net;
3810
3811 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize);
3812 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
3813
3814 net = NULL;
3815 if (stcb) {
3816 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address);
3817 } else {
3818 /* We increment here since sctp_findassociation_ep_addr() wil
3819 * do a decrement if it finds the stcb as long as the locked
3820 * tcb (last argument) is NOT a TCB.. aka NULL.
3821 */
3822 SCTP_INP_INCR_REF(inp);
3823 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL);
3824 if (stcb == NULL) {
3825 SCTP_INP_DECR_REF(inp);
3826 }
3827 }
3828 if (stcb && (net == NULL)) {
3829 struct sockaddr *sa;
3830
3831 sa = (struct sockaddr *)&thlds->spt_address;
3832 #ifdef INET
3833 if (sa->sa_family == AF_INET) {
3834 struct sockaddr_in *sin;
3835
3836 sin = (struct sockaddr_in *)sa;
3837 if (sin->sin_addr.s_addr) {
3838 error = EINVAL;
3839 SCTP_TCB_UNLOCK(stcb);
3840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3841 break;
3842 }
3843 } else
3844 #endif
3845 #ifdef INET6
3846 if (sa->sa_family == AF_INET6) {
3847 struct sockaddr_in6 *sin6;
3848
3849 sin6 = (struct sockaddr_in6 *)sa;
3850 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3851 error = EINVAL;
3852 SCTP_TCB_UNLOCK(stcb);
3853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3854 break;
3855 }
3856 } else
3857 #endif
3858 #if defined(__Userspace__)
3859 if (sa->sa_family == AF_CONN) {
3860 struct sockaddr_conn *sconn;
3861
3862 sconn = (struct sockaddr_conn *)sa;
3863 if (sconn->sconn_addr != NULL) {
3864 error = EINVAL;
3865 SCTP_TCB_UNLOCK(stcb);
3866 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3867 break;
3868 }
3869 } else
3870 #endif
3871 {
3872 error = EAFNOSUPPORT;
3873 SCTP_TCB_UNLOCK(stcb);
3874 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3875 break;
3876 }
3877 }
3878
3879 if (stcb) {
3880 if (net) {
3881 thlds->spt_pathmaxrxt = net->failure_threshold;
3882 thlds->spt_pathpfthld = net->pf_threshold;
3883 } else {
3884 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure;
3885 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold;
3886 }
3887 thlds->spt_assoc_id = sctp_get_associd(stcb);
3888 SCTP_TCB_UNLOCK(stcb);
3889 } else {
3890 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3891 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3892 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) {
3893 /* Use endpoint defaults */
3894 SCTP_INP_RLOCK(inp);
3895 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure;
3896 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold;
3897 SCTP_INP_RUNLOCK(inp);
3898 } else {
3899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3900 error = EINVAL;
3901 }
3902 }
3903 if (error == 0) {
3904 *optsize = sizeof(struct sctp_paddrthlds);
3905 }
3906 break;
3907 }
3908 case SCTP_REMOTE_UDP_ENCAPS_PORT:
3909 {
3910 struct sctp_udpencaps *encaps;
3911 struct sctp_nets *net;
3912
3913 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize);
3914 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
3915
3916 if (stcb) {
3917 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address);
3918 } else {
3919 /* We increment here since sctp_findassociation_ep_addr() wil
3920 * do a decrement if it finds the stcb as long as the locked
3921 * tcb (last argument) is NOT a TCB.. aka NULL.
3922 */
3923 net = NULL;
3924 SCTP_INP_INCR_REF(inp);
3925 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL);
3926 if (stcb == NULL) {
3927 SCTP_INP_DECR_REF(inp);
3928 }
3929 }
3930 if (stcb && (net == NULL)) {
3931 struct sockaddr *sa;
3932
3933 sa = (struct sockaddr *)&encaps->sue_address;
3934 #ifdef INET
3935 if (sa->sa_family == AF_INET) {
3936 struct sockaddr_in *sin;
3937
3938 sin = (struct sockaddr_in *)sa;
3939 if (sin->sin_addr.s_addr) {
3940 error = EINVAL;
3941 SCTP_TCB_UNLOCK(stcb);
3942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3943 break;
3944 }
3945 } else
3946 #endif
3947 #ifdef INET6
3948 if (sa->sa_family == AF_INET6) {
3949 struct sockaddr_in6 *sin6;
3950
3951 sin6 = (struct sockaddr_in6 *)sa;
3952 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3953 error = EINVAL;
3954 SCTP_TCB_UNLOCK(stcb);
3955 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3956 break;
3957 }
3958 } else
3959 #endif
3960 #if defined(__Userspace__)
3961 if (sa->sa_family == AF_CONN) {
3962 struct sockaddr_conn *sconn;
3963
3964 sconn = (struct sockaddr_conn *)sa;
3965 if (sconn->sconn_addr != NULL) {
3966 error = EINVAL;
3967 SCTP_TCB_UNLOCK(stcb);
3968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3969 break;
3970 }
3971 } else
3972 #endif
3973 {
3974 error = EAFNOSUPPORT;
3975 SCTP_TCB_UNLOCK(stcb);
3976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3977 break;
3978 }
3979 }
3980
3981 if (stcb) {
3982 if (net) {
3983 encaps->sue_port = net->port;
3984 } else {
3985 encaps->sue_port = stcb->asoc.port;
3986 }
3987 SCTP_TCB_UNLOCK(stcb);
3988 } else {
3989 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3990 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3991 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) {
3992 SCTP_INP_RLOCK(inp);
3993 encaps->sue_port = inp->sctp_ep.port;
3994 SCTP_INP_RUNLOCK(inp);
3995 } else {
3996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3997 error = EINVAL;
3998 }
3999 }
4000 if (error == 0) {
4001 *optsize = sizeof(struct sctp_udpencaps);
4002 }
4003 break;
4004 }
4005 case SCTP_ECN_SUPPORTED:
4006 {
4007 struct sctp_assoc_value *av;
4008
4009 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
4010 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4011
4012 if (stcb) {
4013 av->assoc_value = stcb->asoc.ecn_supported;
4014 SCTP_TCB_UNLOCK(stcb);
4015 } else {
4016 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4017 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4018 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
4019 SCTP_INP_RLOCK(inp);
4020 av->assoc_value = inp->ecn_supported;
4021 SCTP_INP_RUNLOCK(inp);
4022 } else {
4023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4024 error = EINVAL;
4025 }
4026 }
4027 if (error == 0) {
4028 *optsize = sizeof(struct sctp_assoc_value);
4029 }
4030 break;
4031 }
4032 case SCTP_PR_SUPPORTED:
4033 {
4034 struct sctp_assoc_value *av;
4035
4036 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
4037 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4038
4039 if (stcb) {
4040 av->assoc_value = stcb->asoc.prsctp_supported;
4041 SCTP_TCB_UNLOCK(stcb);
4042 } else {
4043 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4044 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4045 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
4046 SCTP_INP_RLOCK(inp);
4047 av->assoc_value = inp->prsctp_supported;
4048 SCTP_INP_RUNLOCK(inp);
4049 } else {
4050 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4051 error = EINVAL;
4052 }
4053 }
4054 if (error == 0) {
4055 *optsize = sizeof(struct sctp_assoc_value);
4056 }
4057 break;
4058 }
4059 case SCTP_AUTH_SUPPORTED:
4060 {
4061 struct sctp_assoc_value *av;
4062
4063 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
4064 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4065
4066 if (stcb) {
4067 av->assoc_value = stcb->asoc.auth_supported;
4068 SCTP_TCB_UNLOCK(stcb);
4069 } else {
4070 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4071 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4072 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
4073 SCTP_INP_RLOCK(inp);
4074 av->assoc_value = inp->auth_supported;
4075 SCTP_INP_RUNLOCK(inp);
4076 } else {
4077 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4078 error = EINVAL;
4079 }
4080 }
4081 if (error == 0) {
4082 *optsize = sizeof(struct sctp_assoc_value);
4083 }
4084 break;
4085 }
4086 case SCTP_ASCONF_SUPPORTED:
4087 {
4088 struct sctp_assoc_value *av;
4089
4090 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
4091 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4092
4093 if (stcb) {
4094 av->assoc_value = stcb->asoc.asconf_supported;
4095 SCTP_TCB_UNLOCK(stcb);
4096 } else {
4097 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4098 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4099 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
4100 SCTP_INP_RLOCK(inp);
4101 av->assoc_value = inp->asconf_supported;
4102 SCTP_INP_RUNLOCK(inp);
4103 } else {
4104 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4105 error = EINVAL;
4106 }
4107 }
4108 if (error == 0) {
4109 *optsize = sizeof(struct sctp_assoc_value);
4110 }
4111 break;
4112 }
4113 case SCTP_RECONFIG_SUPPORTED:
4114 {
4115 struct sctp_assoc_value *av;
4116
4117 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
4118 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4119
4120 if (stcb) {
4121 av->assoc_value = stcb->asoc.reconfig_supported;
4122 SCTP_TCB_UNLOCK(stcb);
4123 } else {
4124 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4125 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4126 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
4127 SCTP_INP_RLOCK(inp);
4128 av->assoc_value = inp->reconfig_supported;
4129 SCTP_INP_RUNLOCK(inp);
4130 } else {
4131 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4132 error = EINVAL;
4133 }
4134 }
4135 if (error == 0) {
4136 *optsize = sizeof(struct sctp_assoc_value);
4137 }
4138 break;
4139 }
4140 case SCTP_NRSACK_SUPPORTED:
4141 {
4142 struct sctp_assoc_value *av;
4143
4144 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
4145 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4146
4147 if (stcb) {
4148 av->assoc_value = stcb->asoc.nrsack_supported;
4149 SCTP_TCB_UNLOCK(stcb);
4150 } else {
4151 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4152 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4153 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
4154 SCTP_INP_RLOCK(inp);
4155 av->assoc_value = inp->nrsack_supported;
4156 SCTP_INP_RUNLOCK(inp);
4157 } else {
4158 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4159 error = EINVAL;
4160 }
4161 }
4162 if (error == 0) {
4163 *optsize = sizeof(struct sctp_assoc_value);
4164 }
4165 break;
4166 }
4167 case SCTP_PKTDROP_SUPPORTED:
4168 {
4169 struct sctp_assoc_value *av;
4170
4171 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
4172 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4173
4174 if (stcb) {
4175 av->assoc_value = stcb->asoc.pktdrop_supported;
4176 SCTP_TCB_UNLOCK(stcb);
4177 } else {
4178 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4179 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4180 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
4181 SCTP_INP_RLOCK(inp);
4182 av->assoc_value = inp->pktdrop_supported;
4183 SCTP_INP_RUNLOCK(inp);
4184 } else {
4185 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4186 error = EINVAL;
4187 }
4188 }
4189 if (error == 0) {
4190 *optsize = sizeof(struct sctp_assoc_value);
4191 }
4192 break;
4193 }
4194 case SCTP_ENABLE_STREAM_RESET:
4195 {
4196 struct sctp_assoc_value *av;
4197
4198 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
4199 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4200
4201 if (stcb) {
4202 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support;
4203 SCTP_TCB_UNLOCK(stcb);
4204 } else {
4205 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4206 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4207 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
4208 SCTP_INP_RLOCK(inp);
4209 av->assoc_value = (uint32_t)inp->local_strreset_support;
4210 SCTP_INP_RUNLOCK(inp);
4211 } else {
4212 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4213 error = EINVAL;
4214 }
4215 }
4216 if (error == 0) {
4217 *optsize = sizeof(struct sctp_assoc_value);
4218 }
4219 break;
4220 }
4221 case SCTP_PR_STREAM_STATUS:
4222 {
4223 struct sctp_prstatus *sprstat;
4224 uint16_t sid;
4225 uint16_t policy;
4226
4227 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize);
4228 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id);
4229
4230 sid = sprstat->sprstat_sid;
4231 policy = sprstat->sprstat_policy;
4232 #if defined(SCTP_DETAILED_STR_STATS)
4233 if ((stcb != NULL) &&
4234 (policy != SCTP_PR_SCTP_NONE) &&
4235 (sid < stcb->asoc.streamoutcnt) &&
4236 ((policy == SCTP_PR_SCTP_ALL) ||
4237 (PR_SCTP_VALID_POLICY(policy)))) {
4238 #else
4239 if ((stcb != NULL) &&
4240 (policy != SCTP_PR_SCTP_NONE) &&
4241 (sid < stcb->asoc.streamoutcnt) &&
4242 (policy == SCTP_PR_SCTP_ALL)) {
4243 #endif
4244 if (policy == SCTP_PR_SCTP_ALL) {
4245 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0];
4246 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0];
4247 } else {
4248 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy];
4249 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy];
4250 }
4251 SCTP_TCB_UNLOCK(stcb);
4252 *optsize = sizeof(struct sctp_prstatus);
4253 } else {
4254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4255 error = EINVAL;
4256 }
4257 break;
4258 }
4259 case SCTP_PR_ASSOC_STATUS:
4260 {
4261 struct sctp_prstatus *sprstat;
4262 uint16_t policy;
4263
4264 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize);
4265 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id);
4266
4267 policy = sprstat->sprstat_policy;
4268 if ((stcb != NULL) &&
4269 (policy != SCTP_PR_SCTP_NONE) &&
4270 ((policy == SCTP_PR_SCTP_ALL) ||
4271 (PR_SCTP_VALID_POLICY(policy)))) {
4272 if (policy == SCTP_PR_SCTP_ALL) {
4273 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0];
4274 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0];
4275 } else {
4276 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy];
4277 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy];
4278 }
4279 SCTP_TCB_UNLOCK(stcb);
4280 *optsize = sizeof(struct sctp_prstatus);
4281 } else {
4282 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4283 error = EINVAL;
4284 }
4285 break;
4286 }
4287 default:
4288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
4289 error = ENOPROTOOPT;
4290 break;
4291 } /* end switch (sopt->sopt_name) */
4292 if (error) {
4293 *optsize = 0;
4294 }
4295 return (error);
4296 }
4297
4298 #if defined(__Panda__) || defined(__Userspace__)
4299 int
4300 #else
4301 static int
4302 #endif
4303 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
4304 void *p)
4305 {
4306 int error, set_opt;
4307 uint32_t *mopt;
4308 struct sctp_tcb *stcb = NULL;
4309 struct sctp_inpcb *inp = NULL;
4310 uint32_t vrf_id;
4311
4312 if (optval == NULL) {
4313 SCTP_PRINTF("optval is NULL\n");
4314 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4315 return (EINVAL);
4316 }
4317 inp = (struct sctp_inpcb *)so->so_pcb;
4318 if (inp == NULL) {
4319 SCTP_PRINTF("inp is NULL?\n");
4320 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4321 return (EINVAL);
4322 }
4323 vrf_id = inp->def_vrf_id;
4324
4325 error = 0;
4326 switch (optname) {
4327 case SCTP_NODELAY:
4328 case SCTP_AUTOCLOSE:
4329 case SCTP_AUTO_ASCONF:
4330 case SCTP_EXPLICIT_EOR:
4331 case SCTP_DISABLE_FRAGMENTS:
4332 case SCTP_USE_EXT_RCVINFO:
4333 case SCTP_I_WANT_MAPPED_V4_ADDR:
4334 /* copy in the option value */
4335 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
4336 set_opt = 0;
4337 if (error)
4338 break;
4339 switch (optname) {
4340 case SCTP_DISABLE_FRAGMENTS:
4341 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT;
4342 break;
4343 case SCTP_AUTO_ASCONF:
4344 /*
4345 * NOTE: we don't really support this flag
4346 */
4347 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
4348 /* only valid for bound all sockets */
4349 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) &&
4350 (*mopt != 0)) {
4351 /* forbidden by admin */
4352 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM);
4353 return (EPERM);
4354 }
4355 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF;
4356 } else {
4357 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4358 return (EINVAL);
4359 }
4360 break;
4361 case SCTP_EXPLICIT_EOR:
4362 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR;
4363 break;
4364 case SCTP_USE_EXT_RCVINFO:
4365 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO;
4366 break;
4367 case SCTP_I_WANT_MAPPED_V4_ADDR:
4368 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
4369 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4;
4370 } else {
4371 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4372 return (EINVAL);
4373 }
4374 break;
4375 case SCTP_NODELAY:
4376 set_opt = SCTP_PCB_FLAGS_NODELAY;
4377 break;
4378 case SCTP_AUTOCLOSE:
4379 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4380 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
4381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4382 return (EINVAL);
4383 }
4384 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE;
4385 /*
4386 * The value is in ticks. Note this does not effect
4387 * old associations, only new ones.
4388 */
4389 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt);
4390 break;
4391 }
4392 SCTP_INP_WLOCK(inp);
4393 if (*mopt != 0) {
4394 sctp_feature_on(inp, set_opt);
4395 } else {
4396 sctp_feature_off(inp, set_opt);
4397 }
4398 SCTP_INP_WUNLOCK(inp);
4399 break;
4400 case SCTP_REUSE_PORT:
4401 {
4402 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
4403 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
4404 /* Can't set it after we are bound */
4405 error = EINVAL;
4406 break;
4407 }
4408 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
4409 /* Can't do this for a 1-m socket */
4410 error = EINVAL;
4411 break;
4412 }
4413 if (optval)
4414 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
4415 else
4416 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE);
4417 break;
4418 }
4419 case SCTP_PARTIAL_DELIVERY_POINT:
4420 {
4421 uint32_t *value;
4422
4423 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
4424 if (*value > SCTP_SB_LIMIT_RCV(so)) {
4425 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4426 error = EINVAL;
4427 break;
4428 }
4429 inp->partial_delivery_point = *value;
4430 break;
4431 }
4432 case SCTP_FRAGMENT_INTERLEAVE:
4433 /* not yet until we re-write sctp_recvmsg() */
4434 {
4435 uint32_t *level;
4436
4437 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize);
4438 if (*level == SCTP_FRAG_LEVEL_2) {
4439 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
4440 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
4441 } else if (*level == SCTP_FRAG_LEVEL_1) {
4442 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
4443 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
4444 } else if (*level == SCTP_FRAG_LEVEL_0) {
4445 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
4446 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
4447
4448 } else {
4449 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4450 error = EINVAL;
4451 }
4452 break;
4453 }
4454 case SCTP_CMT_ON_OFF:
4455 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) {
4456 struct sctp_assoc_value *av;
4457
4458 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4459 if (av->assoc_value > SCTP_CMT_MAX) {
4460 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4461 error = EINVAL;
4462 break;
4463 }
4464 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4465 if (stcb) {
4466 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
4467 SCTP_TCB_UNLOCK(stcb);
4468 } else {
4469 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4470 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4471 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4472 (av->assoc_id == SCTP_ALL_ASSOC)) {
4473 SCTP_INP_WLOCK(inp);
4474 inp->sctp_cmt_on_off = av->assoc_value;
4475 SCTP_INP_WUNLOCK(inp);
4476 }
4477 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4478 (av->assoc_id == SCTP_ALL_ASSOC)) {
4479 SCTP_INP_RLOCK(inp);
4480 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4481 SCTP_TCB_LOCK(stcb);
4482 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
4483 SCTP_TCB_UNLOCK(stcb);
4484 }
4485 SCTP_INP_RUNLOCK(inp);
4486 }
4487 }
4488 } else {
4489 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
4490 error = ENOPROTOOPT;
4491 }
4492 break;
4493 case SCTP_PLUGGABLE_CC:
4494 {
4495 struct sctp_assoc_value *av;
4496 struct sctp_nets *net;
4497
4498 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4499 if ((av->assoc_value != SCTP_CC_RFC2581) &&
4500 (av->assoc_value != SCTP_CC_HSTCP) &&
4501 (av->assoc_value != SCTP_CC_HTCP) &&
4502 (av->assoc_value != SCTP_CC_RTCC)) {
4503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4504 error = EINVAL;
4505 break;
4506 }
4507 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4508 if (stcb) {
4509 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
4510 stcb->asoc.congestion_control_module = av->assoc_value;
4511 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
4512 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4513 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
4514 }
4515 }
4516 SCTP_TCB_UNLOCK(stcb);
4517 } else {
4518 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4519 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4520 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4521 (av->assoc_id == SCTP_ALL_ASSOC)) {
4522 SCTP_INP_WLOCK(inp);
4523 inp->sctp_ep.sctp_default_cc_module = av->assoc_value;
4524 SCTP_INP_WUNLOCK(inp);
4525 }
4526 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4527 (av->assoc_id == SCTP_ALL_ASSOC)) {
4528 SCTP_INP_RLOCK(inp);
4529 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4530 SCTP_TCB_LOCK(stcb);
4531 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
4532 stcb->asoc.congestion_control_module = av->assoc_value;
4533 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
4534 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4535 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
4536 }
4537 }
4538 SCTP_TCB_UNLOCK(stcb);
4539 }
4540 SCTP_INP_RUNLOCK(inp);
4541 }
4542 }
4543 break;
4544 }
4545 case SCTP_CC_OPTION:
4546 {
4547 struct sctp_cc_option *cc_opt;
4548
4549 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize);
4550 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
4551 if (stcb == NULL) {
4552 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) {
4553 SCTP_INP_RLOCK(inp);
4554 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4555 SCTP_TCB_LOCK(stcb);
4556 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) {
4557 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option)(stcb, 1, cc_opt);
4558 }
4559 SCTP_TCB_UNLOCK(stcb);
4560 }
4561 SCTP_INP_RUNLOCK(inp);
4562 } else {
4563 error = EINVAL;
4564 }
4565 } else {
4566 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
4567 error = ENOTSUP;
4568 } else {
4569 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option)(stcb, 1,
4570 cc_opt);
4571 }
4572 SCTP_TCB_UNLOCK(stcb);
4573 }
4574 break;
4575 }
4576 case SCTP_PLUGGABLE_SS:
4577 {
4578 struct sctp_assoc_value *av;
4579
4580 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4581 if ((av->assoc_value != SCTP_SS_DEFAULT) &&
4582 (av->assoc_value != SCTP_SS_ROUND_ROBIN) &&
4583 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) &&
4584 (av->assoc_value != SCTP_SS_PRIORITY) &&
4585 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) &&
4586 (av->assoc_value != SCTP_SS_FIRST_COME)) {
4587 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4588 error = EINVAL;
4589 break;
4590 }
4591 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4592 if (stcb) {
4593 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
4594 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
4595 stcb->asoc.stream_scheduling_module = av->assoc_value;
4596 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
4597 SCTP_TCB_UNLOCK(stcb);
4598 } else {
4599 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4600 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4601 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4602 (av->assoc_id == SCTP_ALL_ASSOC)) {
4603 SCTP_INP_WLOCK(inp);
4604 inp->sctp_ep.sctp_default_ss_module = av->assoc_value;
4605 SCTP_INP_WUNLOCK(inp);
4606 }
4607 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4608 (av->assoc_id == SCTP_ALL_ASSOC)) {
4609 SCTP_INP_RLOCK(inp);
4610 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4611 SCTP_TCB_LOCK(stcb);
4612 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
4613 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
4614 stcb->asoc.stream_scheduling_module = av->assoc_value;
4615 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
4616 SCTP_TCB_UNLOCK(stcb);
4617 }
4618 SCTP_INP_RUNLOCK(inp);
4619 }
4620 }
4621 break;
4622 }
4623 case SCTP_SS_VALUE:
4624 {
4625 struct sctp_stream_value *av;
4626
4627 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize);
4628 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4629 if (stcb) {
4630 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
4631 av->stream_value) < 0) {
4632 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4633 error = EINVAL;
4634 }
4635 SCTP_TCB_UNLOCK(stcb);
4636 } else {
4637 if (av->assoc_id == SCTP_CURRENT_ASSOC) {
4638 SCTP_INP_RLOCK(inp);
4639 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4640 SCTP_TCB_LOCK(stcb);
4641 stcb->asoc.ss_functions.sctp_ss_set_value(stcb,
4642 &stcb->asoc,
4643 &stcb->asoc.strmout[av->stream_id],
4644 av->stream_value);
4645 SCTP_TCB_UNLOCK(stcb);
4646 }
4647 SCTP_INP_RUNLOCK(inp);
4648
4649 } else {
4650 /* Can't set stream value without association */
4651 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4652 error = EINVAL;
4653 }
4654 }
4655 break;
4656 }
4657 case SCTP_CLR_STAT_LOG:
4658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4659 error = EOPNOTSUPP;
4660 break;
4661 case SCTP_CONTEXT:
4662 {
4663 struct sctp_assoc_value *av;
4664
4665 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4666 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4667
4668 if (stcb) {
4669 stcb->asoc.context = av->assoc_value;
4670 SCTP_TCB_UNLOCK(stcb);
4671 } else {
4672 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4673 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4674 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4675 (av->assoc_id == SCTP_ALL_ASSOC)) {
4676 SCTP_INP_WLOCK(inp);
4677 inp->sctp_context = av->assoc_value;
4678 SCTP_INP_WUNLOCK(inp);
4679 }
4680 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4681 (av->assoc_id == SCTP_ALL_ASSOC)) {
4682 SCTP_INP_RLOCK(inp);
4683 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4684 SCTP_TCB_LOCK(stcb);
4685 stcb->asoc.context = av->assoc_value;
4686 SCTP_TCB_UNLOCK(stcb);
4687 }
4688 SCTP_INP_RUNLOCK(inp);
4689 }
4690 }
4691 break;
4692 }
4693 case SCTP_VRF_ID:
4694 {
4695 uint32_t *default_vrfid;
4696 #ifdef SCTP_MVRF
4697 int i;
4698 #endif
4699 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize);
4700 if (*default_vrfid > SCTP_MAX_VRF_ID) {
4701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4702 error = EINVAL;
4703 break;
4704 }
4705 #ifdef SCTP_MVRF
4706 for (i = 0; i < inp->num_vrfs; i++) {
4707 /* The VRF must be in the VRF list */
4708 if (*default_vrfid == inp->m_vrf_ids[i]) {
4709 SCTP_INP_WLOCK(inp);
4710 inp->def_vrf_id = *default_vrfid;
4711 SCTP_INP_WUNLOCK(inp);
4712 goto sctp_done;
4713 }
4714 }
4715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4716 error = EINVAL;
4717 #else
4718 inp->def_vrf_id = *default_vrfid;
4719 #endif
4720 #ifdef SCTP_MVRF
4721 sctp_done:
4722 #endif
4723 break;
4724 }
4725 case SCTP_DEL_VRF_ID:
4726 {
4727 #ifdef SCTP_MVRF
4728 uint32_t *del_vrfid;
4729 int i, fnd = 0;
4730
4731 SCTP_CHECK_AND_CAST(del_vrfid, optval, uint32_t, optsize);
4732 if (*del_vrfid > SCTP_MAX_VRF_ID) {
4733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4734 error = EINVAL;
4735 break;
4736 }
4737 if (inp->num_vrfs == 1) {
4738 /* Can't delete last one */
4739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4740 error = EINVAL;
4741 break;
4742 }
4743 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
4744 /* Can't add more once you are bound */
4745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4746 error = EINVAL;
4747 break;
4748 }
4749 SCTP_INP_WLOCK(inp);
4750 for (i = 0; i < inp->num_vrfs; i++) {
4751 if (*del_vrfid == inp->m_vrf_ids[i]) {
4752 fnd = 1;
4753 break;
4754 }
4755 }
4756 if (!fnd) {
4757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4758 error = EINVAL;
4759 break;
4760 }
4761 if (i != (inp->num_vrfs - 1)) {
4762 /* Take bottom one and move to this slot */
4763 inp->m_vrf_ids[i] = inp->m_vrf_ids[(inp->num_vrfs-1)];
4764 }
4765 if (*del_vrfid == inp->def_vrf_id) {
4766 /* Take the first one as the new default */
4767 inp->def_vrf_id = inp->m_vrf_ids[0];
4768 }
4769 /* Drop the number by one killing last one */
4770 inp->num_vrfs--;
4771 #else
4772 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4773 error = EOPNOTSUPP;
4774 #endif
4775 break;
4776 }
4777 case SCTP_ADD_VRF_ID:
4778 {
4779 #ifdef SCTP_MVRF
4780 uint32_t *add_vrfid;
4781 int i;
4782
4783 SCTP_CHECK_AND_CAST(add_vrfid, optval, uint32_t, optsize);
4784 if (*add_vrfid > SCTP_MAX_VRF_ID) {
4785 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4786 error = EINVAL;
4787 break;
4788 }
4789 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
4790 /* Can't add more once you are bound */
4791 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4792 error = EINVAL;
4793 break;
4794 }
4795 SCTP_INP_WLOCK(inp);
4796 /* Verify its not already here */
4797 for (i = 0; i < inp->num_vrfs; i++) {
4798 if (*add_vrfid == inp->m_vrf_ids[i]) {
4799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4800 error = EALREADY;
4801 SCTP_INP_WUNLOCK(inp);
4802 break;
4803 }
4804 }
4805 if ((inp->num_vrfs + 1) > inp->vrf_size) {
4806 /* need to grow array */
4807 uint32_t *tarray;
4808 SCTP_MALLOC(tarray, uint32_t *,
4809 (sizeof(uint32_t) * (inp->vrf_size + SCTP_DEFAULT_VRF_SIZE)),
4810 SCTP_M_MVRF);
4811 if (tarray == NULL) {
4812 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4813 error = ENOMEM;
4814 SCTP_INP_WUNLOCK(inp);
4815 break;
4816 }
4817 memcpy(tarray, inp->m_vrf_ids, (sizeof(uint32_t) * inp->vrf_size));
4818 SCTP_FREE(inp->m_vrf_ids, SCTP_M_MVRF);
4819 inp->m_vrf_ids = tarray;
4820 inp->vrf_size += SCTP_DEFAULT_VRF_SIZE;
4821 }
4822 inp->m_vrf_ids[inp->num_vrfs] = *add_vrfid;
4823 inp->num_vrfs++;
4824 SCTP_INP_WUNLOCK(inp);
4825 #else
4826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4827 error = EOPNOTSUPP;
4828 #endif
4829 break;
4830 }
4831 case SCTP_DELAYED_SACK:
4832 {
4833 struct sctp_sack_info *sack;
4834
4835 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize);
4836 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
4837 if (sack->sack_delay) {
4838 if (sack->sack_delay > SCTP_MAX_SACK_DELAY)
4839 sack->sack_delay = SCTP_MAX_SACK_DELAY;
4840 if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
4841 sack->sack_delay = TICKS_TO_MSEC(1);
4842 }
4843 }
4844 if (stcb) {
4845 if (sack->sack_delay) {
4846 stcb->asoc.delayed_ack = sack->sack_delay;
4847 }
4848 if (sack->sack_freq) {
4849 stcb->asoc.sack_freq = sack->sack_freq;
4850 }
4851 SCTP_TCB_UNLOCK(stcb);
4852 } else {
4853 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4854 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4855 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) ||
4856 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) {
4857 SCTP_INP_WLOCK(inp);
4858 if (sack->sack_delay) {
4859 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay);
4860 }
4861 if (sack->sack_freq) {
4862 inp->sctp_ep.sctp_sack_freq = sack->sack_freq;
4863 }
4864 SCTP_INP_WUNLOCK(inp);
4865 }
4866 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) ||
4867 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) {
4868 SCTP_INP_RLOCK(inp);
4869 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4870 SCTP_TCB_LOCK(stcb);
4871 if (sack->sack_delay) {
4872 stcb->asoc.delayed_ack = sack->sack_delay;
4873 }
4874 if (sack->sack_freq) {
4875 stcb->asoc.sack_freq = sack->sack_freq;
4876 }
4877 SCTP_TCB_UNLOCK(stcb);
4878 }
4879 SCTP_INP_RUNLOCK(inp);
4880 }
4881 }
4882 break;
4883 }
4884 case SCTP_AUTH_CHUNK:
4885 {
4886 struct sctp_authchunk *sauth;
4887
4888 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize);
4889
4890 SCTP_INP_WLOCK(inp);
4891 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) {
4892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4893 error = EINVAL;
4894 }
4895 SCTP_INP_WUNLOCK(inp);
4896 break;
4897 }
4898 case SCTP_AUTH_KEY:
4899 {
4900 struct sctp_authkey *sca;
4901 struct sctp_keyhead *shared_keys;
4902 sctp_sharedkey_t *shared_key;
4903 sctp_key_t *key = NULL;
4904 size_t size;
4905
4906 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize);
4907 if (sca->sca_keylength == 0) {
4908 size = optsize - sizeof(struct sctp_authkey);
4909 } else {
4910 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) {
4911 size = sca->sca_keylength;
4912 } else {
4913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4914 error = EINVAL;
4915 break;
4916 }
4917 }
4918 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id);
4919
4920 if (stcb) {
4921 shared_keys = &stcb->asoc.shared_keys;
4922 /* clear the cached keys for this key id */
4923 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
4924 /*
4925 * create the new shared key and
4926 * insert/replace it
4927 */
4928 if (size > 0) {
4929 key = sctp_set_key(sca->sca_key, (uint32_t) size);
4930 if (key == NULL) {
4931 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4932 error = ENOMEM;
4933 SCTP_TCB_UNLOCK(stcb);
4934 break;
4935 }
4936 }
4937 shared_key = sctp_alloc_sharedkey();
4938 if (shared_key == NULL) {
4939 sctp_free_key(key);
4940 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4941 error = ENOMEM;
4942 SCTP_TCB_UNLOCK(stcb);
4943 break;
4944 }
4945 shared_key->key = key;
4946 shared_key->keyid = sca->sca_keynumber;
4947 error = sctp_insert_sharedkey(shared_keys, shared_key);
4948 SCTP_TCB_UNLOCK(stcb);
4949 } else {
4950 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4951 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4952 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) ||
4953 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) {
4954 SCTP_INP_WLOCK(inp);
4955 shared_keys = &inp->sctp_ep.shared_keys;
4956 /*
4957 * clear the cached keys on all assocs for
4958 * this key id
4959 */
4960 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber);
4961 /*
4962 * create the new shared key and
4963 * insert/replace it
4964 */
4965 if (size > 0) {
4966 key = sctp_set_key(sca->sca_key, (uint32_t) size);
4967 if (key == NULL) {
4968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4969 error = ENOMEM;
4970 SCTP_INP_WUNLOCK(inp);
4971 break;
4972 }
4973 }
4974 shared_key = sctp_alloc_sharedkey();
4975 if (shared_key == NULL) {
4976 sctp_free_key(key);
4977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4978 error = ENOMEM;
4979 SCTP_INP_WUNLOCK(inp);
4980 break;
4981 }
4982 shared_key->key = key;
4983 shared_key->keyid = sca->sca_keynumber;
4984 error = sctp_insert_sharedkey(shared_keys, shared_key);
4985 SCTP_INP_WUNLOCK(inp);
4986 }
4987 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) ||
4988 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) {
4989 SCTP_INP_RLOCK(inp);
4990 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4991 SCTP_TCB_LOCK(stcb);
4992 shared_keys = &stcb->asoc.shared_keys;
4993 /* clear the cached keys for this key id */
4994 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
4995 /*
4996 * create the new shared key and
4997 * insert/replace it
4998 */
4999 if (size > 0) {
5000 key = sctp_set_key(sca->sca_key, (uint32_t) size);
5001 if (key == NULL) {
5002 SCTP_TCB_UNLOCK(stcb);
5003 continue;
5004 }
5005 }
5006 shared_key = sctp_alloc_sharedkey();
5007 if (shared_key == NULL) {
5008 sctp_free_key(key);
5009 SCTP_TCB_UNLOCK(stcb);
5010 continue;
5011 }
5012 shared_key->key = key;
5013 shared_key->keyid = sca->sca_keynumber;
5014 error = sctp_insert_sharedkey(shared_keys, shared_key);
5015 SCTP_TCB_UNLOCK(stcb);
5016 }
5017 SCTP_INP_RUNLOCK(inp);
5018 }
5019 }
5020 break;
5021 }
5022 case SCTP_HMAC_IDENT:
5023 {
5024 struct sctp_hmacalgo *shmac;
5025 sctp_hmaclist_t *hmaclist;
5026 uint16_t hmacid;
5027 uint32_t i;
5028
5029 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize);
5030 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) {
5031 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5032 error = EINVAL;
5033 break;
5034 }
5035
5036 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents);
5037 if (hmaclist == NULL) {
5038 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
5039 error = ENOMEM;
5040 break;
5041 }
5042 for (i = 0; i < shmac->shmac_number_of_idents; i++) {
5043 hmacid = shmac->shmac_idents[i];
5044 if (sctp_auth_add_hmacid(hmaclist, hmacid)) {
5045 /* invalid HMACs were found */;
5046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5047 error = EINVAL;
5048 sctp_free_hmaclist(hmaclist);
5049 goto sctp_set_hmac_done;
5050 }
5051 }
5052 for (i = 0; i < hmaclist->num_algo; i++) {
5053 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) {
5054 /* already in list */
5055 break;
5056 }
5057 }
5058 if (i == hmaclist->num_algo) {
5059 /* not found in list */
5060 sctp_free_hmaclist(hmaclist);
5061 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5062 error = EINVAL;
5063 break;
5064 }
5065 /* set it on the endpoint */
5066 SCTP_INP_WLOCK(inp);
5067 if (inp->sctp_ep.local_hmacs)
5068 sctp_free_hmaclist(inp->sctp_ep.local_hmacs);
5069 inp->sctp_ep.local_hmacs = hmaclist;
5070 SCTP_INP_WUNLOCK(inp);
5071 sctp_set_hmac_done:
5072 break;
5073 }
5074 case SCTP_AUTH_ACTIVE_KEY:
5075 {
5076 struct sctp_authkeyid *scact;
5077
5078 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize);
5079 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
5080
5081 /* set the active key on the right place */
5082 if (stcb) {
5083 /* set the active key on the assoc */
5084 if (sctp_auth_setactivekey(stcb,
5085 scact->scact_keynumber)) {
5086 SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
5087 SCTP_FROM_SCTP_USRREQ,
5088 EINVAL);
5089 error = EINVAL;
5090 }
5091 SCTP_TCB_UNLOCK(stcb);
5092 } else {
5093 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5094 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5095 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
5096 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) {
5097 SCTP_INP_WLOCK(inp);
5098 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) {
5099 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5100 error = EINVAL;
5101 }
5102 SCTP_INP_WUNLOCK(inp);
5103 }
5104 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
5105 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) {
5106 SCTP_INP_RLOCK(inp);
5107 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5108 SCTP_TCB_LOCK(stcb);
5109 sctp_auth_setactivekey(stcb, scact->scact_keynumber);
5110 SCTP_TCB_UNLOCK(stcb);
5111 }
5112 SCTP_INP_RUNLOCK(inp);
5113 }
5114 }
5115 break;
5116 }
5117 case SCTP_AUTH_DELETE_KEY:
5118 {
5119 struct sctp_authkeyid *scdel;
5120
5121 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize);
5122 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id);
5123
5124 /* delete the key from the right place */
5125 if (stcb) {
5126 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) {
5127 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5128 error = EINVAL;
5129 }
5130 SCTP_TCB_UNLOCK(stcb);
5131 } else {
5132 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5133 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5134 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
5135 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) {
5136 SCTP_INP_WLOCK(inp);
5137 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) {
5138 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5139 error = EINVAL;
5140 }
5141 SCTP_INP_WUNLOCK(inp);
5142 }
5143 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
5144 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) {
5145 SCTP_INP_RLOCK(inp);
5146 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5147 SCTP_TCB_LOCK(stcb);
5148 sctp_delete_sharedkey(stcb, scdel->scact_keynumber);
5149 SCTP_TCB_UNLOCK(stcb);
5150 }
5151 SCTP_INP_RUNLOCK(inp);
5152 }
5153 }
5154 break;
5155 }
5156 case SCTP_AUTH_DEACTIVATE_KEY:
5157 {
5158 struct sctp_authkeyid *keyid;
5159
5160 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize);
5161 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id);
5162
5163 /* deactivate the key from the right place */
5164 if (stcb) {
5165 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) {
5166 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5167 error = EINVAL;
5168 }
5169 SCTP_TCB_UNLOCK(stcb);
5170 } else {
5171 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5172 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5173 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
5174 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) {
5175 SCTP_INP_WLOCK(inp);
5176 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) {
5177 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5178 error = EINVAL;
5179 }
5180 SCTP_INP_WUNLOCK(inp);
5181 }
5182 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
5183 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) {
5184 SCTP_INP_RLOCK(inp);
5185 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5186 SCTP_TCB_LOCK(stcb);
5187 sctp_deact_sharedkey(stcb, keyid->scact_keynumber);
5188 SCTP_TCB_UNLOCK(stcb);
5189 }
5190 SCTP_INP_RUNLOCK(inp);
5191 }
5192 }
5193 break;
5194 }
5195 case SCTP_ENABLE_STREAM_RESET:
5196 {
5197 struct sctp_assoc_value *av;
5198
5199 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
5200 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) {
5201 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5202 error = EINVAL;
5203 break;
5204 }
5205 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
5206 if (stcb) {
5207 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value;
5208 SCTP_TCB_UNLOCK(stcb);
5209 } else {
5210 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5211 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5212 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
5213 (av->assoc_id == SCTP_ALL_ASSOC)) {
5214 SCTP_INP_WLOCK(inp);
5215 inp->local_strreset_support = (uint8_t)av->assoc_value;
5216 SCTP_INP_WUNLOCK(inp);
5217 }
5218 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
5219 (av->assoc_id == SCTP_ALL_ASSOC)) {
5220 SCTP_INP_RLOCK(inp);
5221 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5222 SCTP_TCB_LOCK(stcb);
5223 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value;
5224 SCTP_TCB_UNLOCK(stcb);
5225 }
5226 SCTP_INP_RUNLOCK(inp);
5227 }
5228
5229 }
5230 break;
5231 }
5232 case SCTP_RESET_STREAMS:
5233 {
5234 struct sctp_reset_streams *strrst;
5235 int i, send_out = 0;
5236 int send_in = 0;
5237
5238 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize);
5239 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id);
5240 if (stcb == NULL) {
5241 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
5242 error = ENOENT;
5243 break;
5244 }
5245 if (stcb->asoc.reconfig_supported == 0) {
5246 /*
5247 * Peer does not support the chunk type.
5248 */
5249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
5250 error = EOPNOTSUPP;
5251 SCTP_TCB_UNLOCK(stcb);
5252 break;
5253 }
5254 if (stcb->asoc.stream_reset_outstanding) {
5255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
5256 error = EALREADY;
5257 SCTP_TCB_UNLOCK(stcb);
5258 break;
5259 }
5260 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) {
5261 send_in = 1;
5262 }
5263 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) {
5264 send_out = 1;
5265 }
5266 if ((send_in == 0) && (send_out == 0)) {
5267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5268 error = EINVAL;
5269 SCTP_TCB_UNLOCK(stcb);
5270 break;
5271 }
5272 for (i = 0; i < strrst->srs_number_streams; i++) {
5273 if ((send_in) &&
5274 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) {
5275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5276 error = EINVAL;
5277 break;
5278 }
5279 if ((send_out) &&
5280 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) {
5281 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5282 error = EINVAL;
5283 break;
5284 }
5285 }
5286 if (error) {
5287 SCTP_TCB_UNLOCK(stcb);
5288 break;
5289 }
5290 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams,
5291 strrst->srs_stream_list,
5292 send_out, send_in, 0, 0, 0, 0, 0);
5293
5294 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
5295 SCTP_TCB_UNLOCK(stcb);
5296 break;
5297 }
5298 case SCTP_ADD_STREAMS:
5299 {
5300 struct sctp_add_streams *stradd;
5301 uint8_t addstream = 0;
5302 uint16_t add_o_strmcnt = 0;
5303 uint16_t add_i_strmcnt = 0;
5304
5305 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize);
5306 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id);
5307 if (stcb == NULL) {
5308 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
5309 error = ENOENT;
5310 break;
5311 }
5312 if (stcb->asoc.reconfig_supported == 0) {
5313 /*
5314 * Peer does not support the chunk type.
5315 */
5316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
5317 error = EOPNOTSUPP;
5318 SCTP_TCB_UNLOCK(stcb);
5319 break;
5320 }
5321 if (stcb->asoc.stream_reset_outstanding) {
5322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
5323 error = EALREADY;
5324 SCTP_TCB_UNLOCK(stcb);
5325 break;
5326 }
5327 if ((stradd->sas_outstrms == 0) &&
5328 (stradd->sas_instrms == 0)) {
5329 error = EINVAL;
5330 goto skip_stuff;
5331 }
5332 if (stradd->sas_outstrms) {
5333 addstream = 1;
5334 /* We allocate here */
5335 add_o_strmcnt = stradd->sas_outstrms;
5336 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) {
5337 /* You can't have more than 64k */
5338 error = EINVAL;
5339 goto skip_stuff;
5340 }
5341 }
5342 if (stradd->sas_instrms) {
5343 int cnt;
5344
5345 addstream |= 2;
5346 /* We allocate inside sctp_send_str_reset_req() */
5347 add_i_strmcnt = stradd->sas_instrms;
5348 cnt = add_i_strmcnt;
5349 cnt += stcb->asoc.streamincnt;
5350 if (cnt > 0x0000ffff) {
5351 /* You can't have more than 64k */
5352 error = EINVAL;
5353 goto skip_stuff;
5354 }
5355 if (cnt > (int)stcb->asoc.max_inbound_streams) {
5356 /* More than you are allowed */
5357 error = EINVAL;
5358 goto skip_stuff;
5359 }
5360 }
5361 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0);
5362 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
5363 skip_stuff:
5364 SCTP_TCB_UNLOCK(stcb);
5365 break;
5366 }
5367 case SCTP_RESET_ASSOC:
5368 {
5369 uint32_t *value;
5370
5371 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
5372 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) *value);
5373 if (stcb == NULL) {
5374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
5375 error = ENOENT;
5376 break;
5377 }
5378 if (stcb->asoc.reconfig_supported == 0) {
5379 /*
5380 * Peer does not support the chunk type.
5381 */
5382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
5383 error = EOPNOTSUPP;
5384 SCTP_TCB_UNLOCK(stcb);
5385 break;
5386 }
5387 if (stcb->asoc.stream_reset_outstanding) {
5388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
5389 error = EALREADY;
5390 SCTP_TCB_UNLOCK(stcb);
5391 break;
5392 }
5393 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0);
5394 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
5395 SCTP_TCB_UNLOCK(stcb);
5396 break;
5397 }
5398 case SCTP_CONNECT_X:
5399 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
5400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5401 error = EINVAL;
5402 break;
5403 }
5404 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0);
5405 break;
5406 case SCTP_CONNECT_X_DELAYED:
5407 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
5408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5409 error = EINVAL;
5410 break;
5411 }
5412 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1);
5413 break;
5414 case SCTP_CONNECT_X_COMPLETE:
5415 {
5416 struct sockaddr *sa;
5417 struct sctp_nets *net;
5418
5419 /* FIXME MT: check correct? */
5420 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
5421
5422 /* find tcb */
5423 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
5424 SCTP_INP_RLOCK(inp);
5425 stcb = LIST_FIRST(&inp->sctp_asoc_list);
5426 if (stcb) {
5427 SCTP_TCB_LOCK(stcb);
5428 net = sctp_findnet(stcb, sa);
5429 }
5430 SCTP_INP_RUNLOCK(inp);
5431 } else {
5432 /* We increment here since sctp_findassociation_ep_addr() wil
5433 * do a decrement if it finds the stcb as long as the locked
5434 * tcb (last argument) is NOT a TCB.. aka NULL.
5435 */
5436 SCTP_INP_INCR_REF(inp);
5437 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL);
5438 if (stcb == NULL) {
5439 SCTP_INP_DECR_REF(inp);
5440 }
5441 }
5442
5443 if (stcb == NULL) {
5444 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
5445 error = ENOENT;
5446 break;
5447 }
5448 if (stcb->asoc.delayed_connection == 1) {
5449 stcb->asoc.delayed_connection = 0;
5450 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
5451 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb,
5452 stcb->asoc.primary_destination,
5453 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_9);
5454 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
5455 } else {
5456 /*
5457 * already expired or did not use delayed
5458 * connectx
5459 */
5460 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
5461 error = EALREADY;
5462 }
5463 SCTP_TCB_UNLOCK(stcb);
5464 break;
5465 }
5466 case SCTP_MAX_BURST:
5467 {
5468 #if defined(__FreeBSD__) && __FreeBSD_version < 900000
5469 uint8_t *burst;
5470
5471 SCTP_CHECK_AND_CAST(burst, optval, uint8_t, optsize);
5472
5473 SCTP_INP_WLOCK(inp);
5474 inp->sctp_ep.max_burst = *burst;
5475 SCTP_INP_WUNLOCK(inp);
5476 #else
5477 struct sctp_assoc_value *av;
5478
5479 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
5480 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
5481
5482 if (stcb) {
5483 stcb->asoc.max_burst = av->assoc_value;
5484 SCTP_TCB_UNLOCK(stcb);
5485 } else {
5486 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5487 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5488 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
5489 (av->assoc_id == SCTP_ALL_ASSOC)) {
5490 SCTP_INP_WLOCK(inp);
5491 inp->sctp_ep.max_burst = av->assoc_value;
5492 SCTP_INP_WUNLOCK(inp);
5493 }
5494 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
5495 (av->assoc_id == SCTP_ALL_ASSOC)) {
5496 SCTP_INP_RLOCK(inp);
5497 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5498 SCTP_TCB_LOCK(stcb);
5499 stcb->asoc.max_burst = av->assoc_value;
5500 SCTP_TCB_UNLOCK(stcb);
5501 }
5502 SCTP_INP_RUNLOCK(inp);
5503 }
5504 }
5505 #endif
5506 break;
5507 }
5508 case SCTP_MAXSEG:
5509 {
5510 struct sctp_assoc_value *av;
5511 int ovh;
5512
5513 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
5514 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
5515
5516 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
5517 ovh = SCTP_MED_OVERHEAD;
5518 } else {
5519 ovh = SCTP_MED_V4_OVERHEAD;
5520 }
5521 if (stcb) {
5522 if (av->assoc_value) {
5523 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh);
5524 } else {
5525 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
5526 }
5527 SCTP_TCB_UNLOCK(stcb);
5528 } else {
5529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5530 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5531 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
5532 SCTP_INP_WLOCK(inp);
5533 /* FIXME MT: I think this is not in tune with the API ID */
5534 if (av->assoc_value) {
5535 inp->sctp_frag_point = (av->assoc_value + ovh);
5536 } else {
5537 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
5538 }
5539 SCTP_INP_WUNLOCK(inp);
5540 } else {
5541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5542 error = EINVAL;
5543 }
5544 }
5545 break;
5546 }
5547 case SCTP_EVENTS:
5548 {
5549 struct sctp_event_subscribe *events;
5550
5551 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize);
5552
5553 SCTP_INP_WLOCK(inp);
5554 if (events->sctp_data_io_event) {
5555 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
5556 } else {
5557 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
5558 }
5559
5560 if (events->sctp_association_event) {
5561 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5562 } else {
5563 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5564 }
5565
5566 if (events->sctp_address_event) {
5567 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
5568 } else {
5569 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
5570 }
5571
5572 if (events->sctp_send_failure_event) {
5573 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5574 } else {
5575 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5576 }
5577
5578 if (events->sctp_peer_error_event) {
5579 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR);
5580 } else {
5581 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR);
5582 }
5583
5584 if (events->sctp_shutdown_event) {
5585 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5586 } else {
5587 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5588 }
5589
5590 if (events->sctp_partial_delivery_event) {
5591 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
5592 } else {
5593 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
5594 }
5595
5596 if (events->sctp_adaptation_layer_event) {
5597 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5598 } else {
5599 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5600 }
5601
5602 if (events->sctp_authentication_event) {
5603 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT);
5604 } else {
5605 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT);
5606 }
5607
5608 if (events->sctp_sender_dry_event) {
5609 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT);
5610 } else {
5611 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT);
5612 }
5613
5614 if (events->sctp_stream_reset_event) {
5615 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5616 } else {
5617 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5618 }
5619 SCTP_INP_WUNLOCK(inp);
5620
5621 SCTP_INP_RLOCK(inp);
5622 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5623 SCTP_TCB_LOCK(stcb);
5624 if (events->sctp_association_event) {
5625 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5626 } else {
5627 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5628 }
5629 if (events->sctp_address_event) {
5630 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
5631 } else {
5632 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
5633 }
5634 if (events->sctp_send_failure_event) {
5635 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5636 } else {
5637 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5638 }
5639 if (events->sctp_peer_error_event) {
5640 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
5641 } else {
5642 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
5643 }
5644 if (events->sctp_shutdown_event) {
5645 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5646 } else {
5647 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5648 }
5649 if (events->sctp_partial_delivery_event) {
5650 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
5651 } else {
5652 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
5653 }
5654 if (events->sctp_adaptation_layer_event) {
5655 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5656 } else {
5657 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5658 }
5659 if (events->sctp_authentication_event) {
5660 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
5661 } else {
5662 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
5663 }
5664 if (events->sctp_sender_dry_event) {
5665 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
5666 } else {
5667 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
5668 }
5669 if (events->sctp_stream_reset_event) {
5670 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5671 } else {
5672 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5673 }
5674 SCTP_TCB_UNLOCK(stcb);
5675 }
5676 /* Send up the sender dry event only for 1-to-1 style sockets. */
5677 if (events->sctp_sender_dry_event) {
5678 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5679 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
5680 stcb = LIST_FIRST(&inp->sctp_asoc_list);
5681 if (stcb) {
5682 SCTP_TCB_LOCK(stcb);
5683 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
5684 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
5685 (stcb->asoc.stream_queue_cnt == 0)) {
5686 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
5687 }
5688 SCTP_TCB_UNLOCK(stcb);
5689 }
5690 }
5691 }
5692 SCTP_INP_RUNLOCK(inp);
5693 break;
5694 }
5695 case SCTP_ADAPTATION_LAYER:
5696 {
5697 struct sctp_setadaptation *adap_bits;
5698
5699 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize);
5700 SCTP_INP_WLOCK(inp);
5701 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind;
5702 inp->sctp_ep.adaptation_layer_indicator_provided = 1;
5703 SCTP_INP_WUNLOCK(inp);
5704 break;
5705 }
5706 #ifdef SCTP_DEBUG
5707 case SCTP_SET_INITIAL_DBG_SEQ:
5708 {
5709 uint32_t *vvv;
5710
5711 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize);
5712 SCTP_INP_WLOCK(inp);
5713 inp->sctp_ep.initial_sequence_debug = *vvv;
5714 SCTP_INP_WUNLOCK(inp);
5715 break;
5716 }
5717 #endif
5718 case SCTP_DEFAULT_SEND_PARAM:
5719 {
5720 struct sctp_sndrcvinfo *s_info;
5721
5722 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize);
5723 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
5724
5725 if (stcb) {
5726 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
5727 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
5728 } else {
5729 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5730 error = EINVAL;
5731 }
5732 SCTP_TCB_UNLOCK(stcb);
5733 } else {
5734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5735 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5736 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) ||
5737 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) {
5738 SCTP_INP_WLOCK(inp);
5739 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send)));
5740 SCTP_INP_WUNLOCK(inp);
5741 }
5742 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) ||
5743 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) {
5744 SCTP_INP_RLOCK(inp);
5745 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5746 SCTP_TCB_LOCK(stcb);
5747 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
5748 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
5749 }
5750 SCTP_TCB_UNLOCK(stcb);
5751 }
5752 SCTP_INP_RUNLOCK(inp);
5753 }
5754 }
5755 break;
5756 }
5757 case SCTP_PEER_ADDR_PARAMS:
5758 {
5759 struct sctp_paddrparams *paddrp;
5760 struct sctp_nets *net;
5761
5762 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize);
5763 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
5764 net = NULL;
5765 if (stcb) {
5766 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
5767 } else {
5768 /* We increment here since sctp_findassociation_ep_addr() wil
5769 * do a decrement if it finds the stcb as long as the locked
5770 * tcb (last argument) is NOT a TCB.. aka NULL.
5771 */
5772 SCTP_INP_INCR_REF(inp);
5773 stcb = sctp_findassociation_ep_addr(&inp,
5774 (struct sockaddr *)&paddrp->spp_address,
5775 &net, NULL, NULL);
5776 if (stcb == NULL) {
5777 SCTP_INP_DECR_REF(inp);
5778 }
5779 }
5780 if (stcb && (net == NULL)) {
5781 struct sockaddr *sa;
5782
5783 sa = (struct sockaddr *)&paddrp->spp_address;
5784 #ifdef INET
5785 if (sa->sa_family == AF_INET) {
5786
5787 struct sockaddr_in *sin;
5788 sin = (struct sockaddr_in *)sa;
5789 if (sin->sin_addr.s_addr) {
5790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5791 SCTP_TCB_UNLOCK(stcb);
5792 error = EINVAL;
5793 break;
5794 }
5795 } else
5796 #endif
5797 #ifdef INET6
5798 if (sa->sa_family == AF_INET6) {
5799 struct sockaddr_in6 *sin6;
5800
5801 sin6 = (struct sockaddr_in6 *)sa;
5802 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
5803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5804 SCTP_TCB_UNLOCK(stcb);
5805 error = EINVAL;
5806 break;
5807 }
5808 } else
5809 #endif
5810 #if defined(__Userspace__)
5811 if (sa->sa_family == AF_CONN) {
5812 struct sockaddr_conn *sconn;
5813
5814 sconn = (struct sockaddr_conn *)sa;
5815 if (sconn->sconn_addr != NULL) {
5816 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5817 SCTP_TCB_UNLOCK(stcb);
5818 error = EINVAL;
5819 break;
5820 }
5821 } else
5822 #endif
5823 {
5824 error = EAFNOSUPPORT;
5825 SCTP_TCB_UNLOCK(stcb);
5826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
5827 break;
5828 }
5829 }
5830 /* sanity checks */
5831 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) {
5832 if (stcb)
5833 SCTP_TCB_UNLOCK(stcb);
5834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5835 return (EINVAL);
5836 }
5837
5838 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) {
5839 if (stcb)
5840 SCTP_TCB_UNLOCK(stcb);
5841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5842 return (EINVAL);
5843 }
5844
5845 if (stcb) {
5846 /************************TCB SPECIFIC SET ******************/
5847 /*
5848 * do we change the timer for HB, we run
5849 * only one?
5850 */
5851 int ovh = 0;
5852
5853 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
5854 ovh = SCTP_MED_OVERHEAD;
5855 } else {
5856 ovh = SCTP_MED_V4_OVERHEAD;
5857 }
5858
5859 /* network sets ? */
5860 if (net) {
5861 /************************NET SPECIFIC SET ******************/
5862 if (paddrp->spp_flags & SPP_HB_DISABLE) {
5863 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) &&
5864 !(net->dest_state & SCTP_ADDR_NOHB)) {
5865 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5866 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
5867 }
5868 net->dest_state |= SCTP_ADDR_NOHB;
5869 }
5870 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5871 if (paddrp->spp_hbinterval) {
5872 net->heart_beat_delay = paddrp->spp_hbinterval;
5873 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5874 net->heart_beat_delay = 0;
5875 }
5876 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5877 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
5878 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5879 net->dest_state &= ~SCTP_ADDR_NOHB;
5880 }
5881 if (paddrp->spp_flags & SPP_HB_DEMAND) {
5882 /* on demand HB */
5883 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5884 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED);
5885 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5886 }
5887 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
5888 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5889 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
5890 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
5891 }
5892 net->dest_state |= SCTP_ADDR_NO_PMTUD;
5893 net->mtu = paddrp->spp_pathmtu + ovh;
5894 if (net->mtu < stcb->asoc.smallest_mtu) {
5895 sctp_pathmtu_adjustment(stcb, net->mtu);
5896 }
5897 }
5898 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5899 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5900 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
5901 }
5902 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
5903 }
5904 if (paddrp->spp_pathmaxrxt) {
5905 if (net->dest_state & SCTP_ADDR_PF) {
5906 if (net->error_count > paddrp->spp_pathmaxrxt) {
5907 net->dest_state &= ~SCTP_ADDR_PF;
5908 }
5909 } else {
5910 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
5911 (net->error_count > net->pf_threshold)) {
5912 net->dest_state |= SCTP_ADDR_PF;
5913 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5914 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
5915 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5916 }
5917 }
5918 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5919 if (net->error_count > paddrp->spp_pathmaxrxt) {
5920 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5921 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5922 }
5923 } else {
5924 if (net->error_count <= paddrp->spp_pathmaxrxt) {
5925 net->dest_state |= SCTP_ADDR_REACHABLE;
5926 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5927 }
5928 }
5929 net->failure_threshold = paddrp->spp_pathmaxrxt;
5930 }
5931 if (paddrp->spp_flags & SPP_DSCP) {
5932 net->dscp = paddrp->spp_dscp & 0xfc;
5933 net->dscp |= 0x01;
5934 }
5935 #ifdef INET6
5936 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5937 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
5938 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5939 net->flowlabel |= 0x80000000;
5940 }
5941 }
5942 #endif
5943 } else {
5944 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/
5945 if (paddrp->spp_pathmaxrxt) {
5946 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt;
5947 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5948 if (net->dest_state & SCTP_ADDR_PF) {
5949 if (net->error_count > paddrp->spp_pathmaxrxt) {
5950 net->dest_state &= ~SCTP_ADDR_PF;
5951 }
5952 } else {
5953 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
5954 (net->error_count > net->pf_threshold)) {
5955 net->dest_state |= SCTP_ADDR_PF;
5956 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5957 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
5958 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5959 }
5960 }
5961 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5962 if (net->error_count > paddrp->spp_pathmaxrxt) {
5963 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5964 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5965 }
5966 } else {
5967 if (net->error_count <= paddrp->spp_pathmaxrxt) {
5968 net->dest_state |= SCTP_ADDR_REACHABLE;
5969 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5970 }
5971 }
5972 net->failure_threshold = paddrp->spp_pathmaxrxt;
5973 }
5974 }
5975
5976 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5977 if (paddrp->spp_hbinterval) {
5978 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval;
5979 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5980 stcb->asoc.heart_beat_delay = 0;
5981 }
5982 /* Turn back on the timer */
5983 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5984 if (paddrp->spp_hbinterval) {
5985 net->heart_beat_delay = paddrp->spp_hbinterval;
5986 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5987 net->heart_beat_delay = 0;
5988 }
5989 if (net->dest_state & SCTP_ADDR_NOHB) {
5990 net->dest_state &= ~SCTP_ADDR_NOHB;
5991 }
5992 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5993 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
5994 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5995 }
5996 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5997 }
5998 if (paddrp->spp_flags & SPP_HB_DISABLE) {
5999 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6000 if (!(net->dest_state & SCTP_ADDR_NOHB)) {
6001 net->dest_state |= SCTP_ADDR_NOHB;
6002 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
6003 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
6004 }
6005 }
6006 }
6007 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
6008 }
6009 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
6010 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6011 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
6012 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
6013 SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
6014 }
6015 net->dest_state |= SCTP_ADDR_NO_PMTUD;
6016 net->mtu = paddrp->spp_pathmtu + ovh;
6017 if (net->mtu < stcb->asoc.smallest_mtu) {
6018 sctp_pathmtu_adjustment(stcb, net->mtu);
6019 }
6020 }
6021 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
6022 }
6023 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
6024 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6025 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
6026 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
6027 }
6028 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
6029 }
6030 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
6031 }
6032 if (paddrp->spp_flags & SPP_DSCP) {
6033 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6034 net->dscp = paddrp->spp_dscp & 0xfc;
6035 net->dscp |= 0x01;
6036 }
6037 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc;
6038 stcb->asoc.default_dscp |= 0x01;
6039 }
6040 #ifdef INET6
6041 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
6042 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6043 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
6044 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
6045 net->flowlabel |= 0x80000000;
6046 }
6047 }
6048 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
6049 stcb->asoc.default_flowlabel |= 0x80000000;
6050 }
6051 #endif
6052 }
6053 SCTP_TCB_UNLOCK(stcb);
6054 } else {
6055 /************************NO TCB, SET TO default stuff ******************/
6056 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6057 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6058 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) {
6059 SCTP_INP_WLOCK(inp);
6060 /*
6061 * For the TOS/FLOWLABEL stuff you set it
6062 * with the options on the socket
6063 */
6064 if (paddrp->spp_pathmaxrxt) {
6065 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt;
6066 }
6067
6068 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
6069 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
6070 else if (paddrp->spp_hbinterval) {
6071 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL)
6072 paddrp->spp_hbinterval= SCTP_MAX_HB_INTERVAL;
6073 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
6074 }
6075
6076 if (paddrp->spp_flags & SPP_HB_ENABLE) {
6077 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
6078 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
6079 } else if (paddrp->spp_hbinterval) {
6080 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
6081 }
6082 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
6083 } else if (paddrp->spp_flags & SPP_HB_DISABLE) {
6084 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
6085 }
6086 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
6087 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
6088 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
6089 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
6090 }
6091 if (paddrp->spp_flags & SPP_DSCP) {
6092 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc;
6093 inp->sctp_ep.default_dscp |= 0x01;
6094 }
6095 #ifdef INET6
6096 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
6097 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
6098 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
6099 inp->sctp_ep.default_flowlabel |= 0x80000000;
6100 }
6101 }
6102 #endif
6103 SCTP_INP_WUNLOCK(inp);
6104 } else {
6105 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6106 error = EINVAL;
6107 }
6108 }
6109 break;
6110 }
6111 case SCTP_RTOINFO:
6112 {
6113 struct sctp_rtoinfo *srto;
6114 uint32_t new_init, new_min, new_max;
6115
6116 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize);
6117 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
6118
6119 if (stcb) {
6120 if (srto->srto_initial)
6121 new_init = srto->srto_initial;
6122 else
6123 new_init = stcb->asoc.initial_rto;
6124 if (srto->srto_max)
6125 new_max = srto->srto_max;
6126 else
6127 new_max = stcb->asoc.maxrto;
6128 if (srto->srto_min)
6129 new_min = srto->srto_min;
6130 else
6131 new_min = stcb->asoc.minrto;
6132 if ((new_min <= new_init) && (new_init <= new_max)) {
6133 stcb->asoc.initial_rto = new_init;
6134 stcb->asoc.maxrto = new_max;
6135 stcb->asoc.minrto = new_min;
6136 } else {
6137 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6138 error = EINVAL;
6139 }
6140 SCTP_TCB_UNLOCK(stcb);
6141 } else {
6142 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6143 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6144 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) {
6145 SCTP_INP_WLOCK(inp);
6146 if (srto->srto_initial)
6147 new_init = srto->srto_initial;
6148 else
6149 new_init = inp->sctp_ep.initial_rto;
6150 if (srto->srto_max)
6151 new_max = srto->srto_max;
6152 else
6153 new_max = inp->sctp_ep.sctp_maxrto;
6154 if (srto->srto_min)
6155 new_min = srto->srto_min;
6156 else
6157 new_min = inp->sctp_ep.sctp_minrto;
6158 if ((new_min <= new_init) && (new_init <= new_max)) {
6159 inp->sctp_ep.initial_rto = new_init;
6160 inp->sctp_ep.sctp_maxrto = new_max;
6161 inp->sctp_ep.sctp_minrto = new_min;
6162 } else {
6163 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6164 error = EINVAL;
6165 }
6166 SCTP_INP_WUNLOCK(inp);
6167 } else {
6168 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6169 error = EINVAL;
6170 }
6171 }
6172 break;
6173 }
6174 case SCTP_ASSOCINFO:
6175 {
6176 struct sctp_assocparams *sasoc;
6177
6178 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize);
6179 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
6180 if (sasoc->sasoc_cookie_life) {
6181 /* boundary check the cookie life */
6182 if (sasoc->sasoc_cookie_life < 1000)
6183 sasoc->sasoc_cookie_life = 1000;
6184 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) {
6185 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE;
6186 }
6187 }
6188 if (stcb) {
6189 if (sasoc->sasoc_asocmaxrxt)
6190 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
6191 if (sasoc->sasoc_cookie_life) {
6192 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
6193 }
6194 SCTP_TCB_UNLOCK(stcb);
6195 } else {
6196 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6197 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6198 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
6199 SCTP_INP_WLOCK(inp);
6200 if (sasoc->sasoc_asocmaxrxt)
6201 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
6202 if (sasoc->sasoc_cookie_life) {
6203 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
6204 }
6205 SCTP_INP_WUNLOCK(inp);
6206 } else {
6207 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6208 error = EINVAL;
6209 }
6210 }
6211 break;
6212 }
6213 case SCTP_INITMSG:
6214 {
6215 struct sctp_initmsg *sinit;
6216
6217 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize);
6218 SCTP_INP_WLOCK(inp);
6219 if (sinit->sinit_num_ostreams)
6220 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams;
6221
6222 if (sinit->sinit_max_instreams)
6223 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams;
6224
6225 if (sinit->sinit_max_attempts)
6226 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts;
6227
6228 if (sinit->sinit_max_init_timeo)
6229 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo;
6230 SCTP_INP_WUNLOCK(inp);
6231 break;
6232 }
6233 case SCTP_PRIMARY_ADDR:
6234 {
6235 struct sctp_setprim *spa;
6236 struct sctp_nets *net;
6237
6238 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize);
6239 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id);
6240
6241 net = NULL;
6242 if (stcb) {
6243 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr);
6244 } else {
6245 /* We increment here since sctp_findassociation_ep_addr() wil
6246 * do a decrement if it finds the stcb as long as the locked
6247 * tcb (last argument) is NOT a TCB.. aka NULL.
6248 */
6249 SCTP_INP_INCR_REF(inp);
6250 stcb = sctp_findassociation_ep_addr(&inp,
6251 (struct sockaddr *)&spa->ssp_addr,
6252 &net, NULL, NULL);
6253 if (stcb == NULL) {
6254 SCTP_INP_DECR_REF(inp);
6255 }
6256 }
6257
6258 if ((stcb) && (net)) {
6259 if ((net != stcb->asoc.primary_destination) &&
6260 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) {
6261 /* Ok we need to set it */
6262 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) {
6263 if ((stcb->asoc.alternate) &&
6264 (!(net->dest_state & SCTP_ADDR_PF)) &&
6265 (net->dest_state & SCTP_ADDR_REACHABLE)) {
6266 sctp_free_remote_addr(stcb->asoc.alternate);
6267 stcb->asoc.alternate = NULL;
6268 }
6269 }
6270 }
6271 } else {
6272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6273 error = EINVAL;
6274 }
6275 if (stcb) {
6276 SCTP_TCB_UNLOCK(stcb);
6277 }
6278 break;
6279 }
6280 case SCTP_SET_DYNAMIC_PRIMARY:
6281 {
6282 union sctp_sockstore *ss;
6283 #ifdef SCTP_MVRF
6284 int i, fnd = 0;
6285 #endif
6286 #if !defined(__Windows__) && !defined(__Userspace__)
6287 #if defined(__APPLE__)
6288 struct proc *proc;
6289 #endif
6290 #ifdef __FreeBSD__
6291 #if __FreeBSD_version > 602000
6292 error = priv_check(curthread,
6293 PRIV_NETINET_RESERVEDPORT);
6294 #elif __FreeBSD_version >= 500000
6295 error = suser((struct thread *)p);
6296 #else
6297 error = suser(p);
6298 #endif
6299 #elif defined(__APPLE__)
6300 proc = (struct proc *)p;
6301 if (p) {
6302 error = suser(proc->p_ucred, &proc->p_acflag);
6303 } else {
6304 break;
6305 }
6306 #else
6307 error = suser(p, 0);
6308 #endif
6309 #endif
6310 if (error)
6311 break;
6312
6313 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize);
6314 /* SUPER USER CHECK? */
6315 #ifdef SCTP_MVRF
6316 for (i = 0; i < inp->num_vrfs; i++) {
6317 if (vrf_id == inp->m_vrf_ids[i]) {
6318 fnd = 1;
6319 break;
6320 }
6321 }
6322 if (!fnd) {
6323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6324 error = EINVAL;
6325 break;
6326 }
6327 #endif
6328 error = sctp_dynamic_set_primary(&ss->sa, vrf_id);
6329 break;
6330 }
6331 case SCTP_SET_PEER_PRIMARY_ADDR:
6332 {
6333 struct sctp_setpeerprim *sspp;
6334
6335 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize);
6336 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id);
6337 if (stcb != NULL) {
6338 struct sctp_ifa *ifa;
6339 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr,
6340 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED);
6341 if (ifa == NULL) {
6342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6343 error = EINVAL;
6344 goto out_of_it;
6345 }
6346 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
6347 /* Must validate the ifa found is in our ep */
6348 struct sctp_laddr *laddr;
6349 int found = 0;
6350 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
6351 if (laddr->ifa == NULL) {
6352 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n",
6353 __FUNCTION__);
6354 continue;
6355 }
6356 if (laddr->ifa == ifa) {
6357 found = 1;
6358 break;
6359 }
6360 }
6361 if (!found) {
6362 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6363 error = EINVAL;
6364 goto out_of_it;
6365 }
6366 #if defined(__FreeBSD__)
6367 } else {
6368 switch (sspp->sspp_addr.ss_family) {
6369 #ifdef INET
6370 case AF_INET:
6371 {
6372 struct sockaddr_in *sin;
6373
6374 sin = (struct sockaddr_in *)&sspp->sspp_addr;
6375 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
6376 &sin->sin_addr) != 0) {
6377 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6378 error = EINVAL;
6379 goto out_of_it;
6380 }
6381 break;
6382 }
6383 #endif
6384 #ifdef INET6
6385 case AF_INET6:
6386 {
6387 struct sockaddr_in6 *sin6;
6388
6389 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr;
6390 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
6391 &sin6->sin6_addr) != 0) {
6392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6393 error = EINVAL;
6394 goto out_of_it;
6395 }
6396 break;
6397 }
6398 #endif
6399 default:
6400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6401 error = EINVAL;
6402 goto out_of_it;
6403 }
6404 #endif
6405 }
6406 if (sctp_set_primary_ip_address_sa(stcb,
6407 (struct sockaddr *)&sspp->sspp_addr) != 0) {
6408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6409 error = EINVAL;
6410 }
6411 out_of_it:
6412 SCTP_TCB_UNLOCK(stcb);
6413 } else {
6414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6415 error = EINVAL;
6416 }
6417 break;
6418 }
6419 case SCTP_BINDX_ADD_ADDR:
6420 {
6421 struct sctp_getaddresses *addrs;
6422 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
6423 struct thread *td;
6424
6425 td = (struct thread *)p;
6426 #endif
6427 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses,
6428 optsize);
6429 #ifdef INET
6430 if (addrs->addr->sa_family == AF_INET) {
6431 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
6432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6433 error = EINVAL;
6434 break;
6435 }
6436 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
6437 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
6438 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6439 break;
6440 }
6441 #endif
6442 } else
6443 #endif
6444 #ifdef INET6
6445 if (addrs->addr->sa_family == AF_INET6) {
6446 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
6447 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6448 error = EINVAL;
6449 break;
6450 }
6451 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
6452 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
6453 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
6454 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6455 break;
6456 }
6457 #endif
6458 } else
6459 #endif
6460 {
6461 error = EAFNOSUPPORT;
6462 break;
6463 }
6464 sctp_bindx_add_address(so, inp, addrs->addr,
6465 addrs->sget_assoc_id, vrf_id,
6466 &error, p);
6467 break;
6468 }
6469 case SCTP_BINDX_REM_ADDR:
6470 {
6471 struct sctp_getaddresses *addrs;
6472 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
6473 struct thread *td;
6474 td = (struct thread *)p;
6475
6476 #endif
6477 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize);
6478 #ifdef INET
6479 if (addrs->addr->sa_family == AF_INET) {
6480 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
6481 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6482 error = EINVAL;
6483 break;
6484 }
6485 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
6486 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
6487 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6488 break;
6489 }
6490 #endif
6491 } else
6492 #endif
6493 #ifdef INET6
6494 if (addrs->addr->sa_family == AF_INET6) {
6495 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
6496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6497 error = EINVAL;
6498 break;
6499 }
6500 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
6501 if (td != NULL &&
6502 (error = prison_local_ip6(td->td_ucred,
6503 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
6504 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
6505 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
6506 break;
6507 }
6508 #endif
6509 } else
6510 #endif
6511 {
6512 error = EAFNOSUPPORT;
6513 break;
6514 }
6515 sctp_bindx_delete_address(inp, addrs->addr,
6516 addrs->sget_assoc_id, vrf_id,
6517 &error);
6518 break;
6519 }
6520 #ifdef __APPLE__
6521 case SCTP_LISTEN_FIX:
6522 /* only applies to one-to-many sockets */
6523 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
6524 /* make sure the ACCEPTCONN flag is OFF */
6525 so->so_options &= ~SO_ACCEPTCONN;
6526 } else {
6527 /* otherwise, not allowed */
6528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6529 error = EINVAL;
6530 }
6531 break;
6532 #endif /* __APPLE__ */
6533 case SCTP_EVENT:
6534 {
6535 struct sctp_event *event;
6536 uint32_t event_type;
6537
6538 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize);
6539 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
6540 switch (event->se_type) {
6541 case SCTP_ASSOC_CHANGE:
6542 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
6543 break;
6544 case SCTP_PEER_ADDR_CHANGE:
6545 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
6546 break;
6547 case SCTP_REMOTE_ERROR:
6548 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
6549 break;
6550 case SCTP_SEND_FAILED:
6551 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
6552 break;
6553 case SCTP_SHUTDOWN_EVENT:
6554 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
6555 break;
6556 case SCTP_ADAPTATION_INDICATION:
6557 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
6558 break;
6559 case SCTP_PARTIAL_DELIVERY_EVENT:
6560 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
6561 break;
6562 case SCTP_AUTHENTICATION_EVENT:
6563 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
6564 break;
6565 case SCTP_STREAM_RESET_EVENT:
6566 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
6567 break;
6568 case SCTP_SENDER_DRY_EVENT:
6569 event_type = SCTP_PCB_FLAGS_DRYEVNT;
6570 break;
6571 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
6572 event_type = 0;
6573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
6574 error = ENOTSUP;
6575 break;
6576 case SCTP_ASSOC_RESET_EVENT:
6577 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
6578 break;
6579 case SCTP_STREAM_CHANGE_EVENT:
6580 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
6581 break;
6582 case SCTP_SEND_FAILED_EVENT:
6583 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
6584 break;
6585 default:
6586 event_type = 0;
6587 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6588 error = EINVAL;
6589 break;
6590 }
6591 if (event_type > 0) {
6592 if (stcb) {
6593 if (event->se_on) {
6594 sctp_stcb_feature_on(inp, stcb, event_type);
6595 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) {
6596 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
6597 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
6598 (stcb->asoc.stream_queue_cnt == 0)) {
6599 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
6600 }
6601 }
6602 } else {
6603 sctp_stcb_feature_off(inp, stcb, event_type);
6604 }
6605 SCTP_TCB_UNLOCK(stcb);
6606 } else {
6607 /*
6608 * We don't want to send up a storm of events,
6609 * so return an error for sender dry events
6610 */
6611 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) &&
6612 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) &&
6613 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) &&
6614 ((event->se_assoc_id == SCTP_ALL_ASSOC) ||
6615 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) {
6616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
6617 error = ENOTSUP;
6618 break;
6619 }
6620 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6621 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6622 (event->se_assoc_id == SCTP_FUTURE_ASSOC) ||
6623 (event->se_assoc_id == SCTP_ALL_ASSOC)) {
6624 SCTP_INP_WLOCK(inp);
6625 if (event->se_on) {
6626 sctp_feature_on(inp, event_type);
6627 } else {
6628 sctp_feature_off(inp, event_type);
6629 }
6630 SCTP_INP_WUNLOCK(inp);
6631 }
6632 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) ||
6633 (event->se_assoc_id == SCTP_ALL_ASSOC)) {
6634 SCTP_INP_RLOCK(inp);
6635 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6636 SCTP_TCB_LOCK(stcb);
6637 if (event->se_on) {
6638 sctp_stcb_feature_on(inp, stcb, event_type);
6639 } else {
6640 sctp_stcb_feature_off(inp, stcb, event_type);
6641 }
6642 SCTP_TCB_UNLOCK(stcb);
6643 }
6644 SCTP_INP_RUNLOCK(inp);
6645 }
6646 }
6647 }
6648 break;
6649 }
6650 case SCTP_RECVRCVINFO:
6651 {
6652 int *onoff;
6653
6654 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
6655 SCTP_INP_WLOCK(inp);
6656 if (*onoff != 0) {
6657 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
6658 } else {
6659 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
6660 }
6661 SCTP_INP_WUNLOCK(inp);
6662 break;
6663 }
6664 case SCTP_RECVNXTINFO:
6665 {
6666 int *onoff;
6667
6668 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
6669 SCTP_INP_WLOCK(inp);
6670 if (*onoff != 0) {
6671 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
6672 } else {
6673 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
6674 }
6675 SCTP_INP_WUNLOCK(inp);
6676 break;
6677 }
6678 case SCTP_DEFAULT_SNDINFO:
6679 {
6680 struct sctp_sndinfo *info;
6681 uint16_t policy;
6682
6683 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize);
6684 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
6685
6686 if (stcb) {
6687 if (info->snd_sid < stcb->asoc.streamoutcnt) {
6688 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
6689 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
6690 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
6691 stcb->asoc.def_send.sinfo_flags |= policy;
6692 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
6693 stcb->asoc.def_send.sinfo_context = info->snd_context;
6694 } else {
6695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6696 error = EINVAL;
6697 }
6698 SCTP_TCB_UNLOCK(stcb);
6699 } else {
6700 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6701 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6702 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) ||
6703 (info->snd_assoc_id == SCTP_ALL_ASSOC)) {
6704 SCTP_INP_WLOCK(inp);
6705 inp->def_send.sinfo_stream = info->snd_sid;
6706 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
6707 inp->def_send.sinfo_flags = info->snd_flags;
6708 inp->def_send.sinfo_flags |= policy;
6709 inp->def_send.sinfo_ppid = info->snd_ppid;
6710 inp->def_send.sinfo_context = info->snd_context;
6711 SCTP_INP_WUNLOCK(inp);
6712 }
6713 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) ||
6714 (info->snd_assoc_id == SCTP_ALL_ASSOC)) {
6715 SCTP_INP_RLOCK(inp);
6716 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6717 SCTP_TCB_LOCK(stcb);
6718 if (info->snd_sid < stcb->asoc.streamoutcnt) {
6719 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
6720 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
6721 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
6722 stcb->asoc.def_send.sinfo_flags |= policy;
6723 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
6724 stcb->asoc.def_send.sinfo_context = info->snd_context;
6725 }
6726 SCTP_TCB_UNLOCK(stcb);
6727 }
6728 SCTP_INP_RUNLOCK(inp);
6729 }
6730 }
6731 break;
6732 }
6733 case SCTP_DEFAULT_PRINFO:
6734 {
6735 struct sctp_default_prinfo *info;
6736
6737 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize);
6738 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
6739
6740 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) {
6741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6742 error = EINVAL;
6743 break;
6744 }
6745 if (stcb) {
6746 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
6747 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
6748 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
6749 SCTP_TCB_UNLOCK(stcb);
6750 } else {
6751 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6752 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6753 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) ||
6754 (info->pr_assoc_id == SCTP_ALL_ASSOC)) {
6755 SCTP_INP_WLOCK(inp);
6756 inp->def_send.sinfo_flags &= 0xfff0;
6757 inp->def_send.sinfo_flags |= info->pr_policy;
6758 inp->def_send.sinfo_timetolive = info->pr_value;
6759 SCTP_INP_WUNLOCK(inp);
6760 }
6761 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) ||
6762 (info->pr_assoc_id == SCTP_ALL_ASSOC)) {
6763 SCTP_INP_RLOCK(inp);
6764 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6765 SCTP_TCB_LOCK(stcb);
6766 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
6767 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
6768 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
6769 SCTP_TCB_UNLOCK(stcb);
6770 }
6771 SCTP_INP_RUNLOCK(inp);
6772 }
6773 }
6774 break;
6775 }
6776 case SCTP_PEER_ADDR_THLDS:
6777 /* Applies to the specific association */
6778 {
6779 struct sctp_paddrthlds *thlds;
6780 struct sctp_nets *net;
6781
6782 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize);
6783 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
6784 net = NULL;
6785 if (stcb) {
6786 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address);
6787 } else {
6788 /* We increment here since sctp_findassociation_ep_addr() wil
6789 * do a decrement if it finds the stcb as long as the locked
6790 * tcb (last argument) is NOT a TCB.. aka NULL.
6791 */
6792 SCTP_INP_INCR_REF(inp);
6793 stcb = sctp_findassociation_ep_addr(&inp,
6794 (struct sockaddr *)&thlds->spt_address,
6795 &net, NULL, NULL);
6796 if (stcb == NULL) {
6797 SCTP_INP_DECR_REF(inp);
6798 }
6799 }
6800 if (stcb && (net == NULL)) {
6801 struct sockaddr *sa;
6802
6803 sa = (struct sockaddr *)&thlds->spt_address;
6804 #ifdef INET
6805 if (sa->sa_family == AF_INET) {
6806
6807 struct sockaddr_in *sin;
6808 sin = (struct sockaddr_in *)sa;
6809 if (sin->sin_addr.s_addr) {
6810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6811 SCTP_TCB_UNLOCK(stcb);
6812 error = EINVAL;
6813 break;
6814 }
6815 } else
6816 #endif
6817 #ifdef INET6
6818 if (sa->sa_family == AF_INET6) {
6819 struct sockaddr_in6 *sin6;
6820
6821 sin6 = (struct sockaddr_in6 *)sa;
6822 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
6823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6824 SCTP_TCB_UNLOCK(stcb);
6825 error = EINVAL;
6826 break;
6827 }
6828 } else
6829 #endif
6830 #if defined(__Userspace__)
6831 if (sa->sa_family == AF_CONN) {
6832 struct sockaddr_conn *sconn;
6833
6834 sconn = (struct sockaddr_conn *)sa;
6835 if (sconn->sconn_addr != NULL) {
6836 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6837 SCTP_TCB_UNLOCK(stcb);
6838 error = EINVAL;
6839 break;
6840 }
6841 } else
6842 #endif
6843 {
6844 error = EAFNOSUPPORT;
6845 SCTP_TCB_UNLOCK(stcb);
6846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6847 break;
6848 }
6849 }
6850 if (stcb) {
6851 if (net) {
6852 if (net->dest_state & SCTP_ADDR_PF) {
6853 if ((net->failure_threshold > thlds->spt_pathmaxrxt) ||
6854 (net->failure_threshold <= thlds->spt_pathpfthld)) {
6855 net->dest_state &= ~SCTP_ADDR_PF;
6856 }
6857 } else {
6858 if ((net->failure_threshold > thlds->spt_pathpfthld) &&
6859 (net->failure_threshold <= thlds->spt_pathmaxrxt)) {
6860 net->dest_state |= SCTP_ADDR_PF;
6861 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
6862 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
6863 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
6864 }
6865 }
6866 if (net->dest_state & SCTP_ADDR_REACHABLE) {
6867 if (net->failure_threshold > thlds->spt_pathmaxrxt) {
6868 net->dest_state &= ~SCTP_ADDR_REACHABLE;
6869 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
6870 }
6871 } else {
6872 if (net->failure_threshold <= thlds->spt_pathmaxrxt) {
6873 net->dest_state |= SCTP_ADDR_REACHABLE;
6874 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
6875 }
6876 }
6877 net->failure_threshold = thlds->spt_pathmaxrxt;
6878 net->pf_threshold = thlds->spt_pathpfthld;
6879 } else {
6880 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6881 if (net->dest_state & SCTP_ADDR_PF) {
6882 if ((net->failure_threshold > thlds->spt_pathmaxrxt) ||
6883 (net->failure_threshold <= thlds->spt_pathpfthld)) {
6884 net->dest_state &= ~SCTP_ADDR_PF;
6885 }
6886 } else {
6887 if ((net->failure_threshold > thlds->spt_pathpfthld) &&
6888 (net->failure_threshold <= thlds->spt_pathmaxrxt)) {
6889 net->dest_state |= SCTP_ADDR_PF;
6890 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
6891 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
6892 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
6893 }
6894 }
6895 if (net->dest_state & SCTP_ADDR_REACHABLE) {
6896 if (net->failure_threshold > thlds->spt_pathmaxrxt) {
6897 net->dest_state &= ~SCTP_ADDR_REACHABLE;
6898 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
6899 }
6900 } else {
6901 if (net->failure_threshold <= thlds->spt_pathmaxrxt) {
6902 net->dest_state |= SCTP_ADDR_REACHABLE;
6903 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
6904 }
6905 }
6906 net->failure_threshold = thlds->spt_pathmaxrxt;
6907 net->pf_threshold = thlds->spt_pathpfthld;
6908 }
6909 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt;
6910 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld;
6911 }
6912 } else {
6913 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6914 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6915 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) {
6916 SCTP_INP_WLOCK(inp);
6917 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt;
6918 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld;
6919 SCTP_INP_WUNLOCK(inp);
6920 } else {
6921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6922 error = EINVAL;
6923 }
6924 }
6925 break;
6926 }
6927 case SCTP_REMOTE_UDP_ENCAPS_PORT:
6928 {
6929 struct sctp_udpencaps *encaps;
6930 struct sctp_nets *net;
6931
6932 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize);
6933 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
6934 if (stcb) {
6935 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address);
6936 } else {
6937 /* We increment here since sctp_findassociation_ep_addr() wil
6938 * do a decrement if it finds the stcb as long as the locked
6939 * tcb (last argument) is NOT a TCB.. aka NULL.
6940 */
6941 net = NULL;
6942 SCTP_INP_INCR_REF(inp);
6943 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL);
6944 if (stcb == NULL) {
6945 SCTP_INP_DECR_REF(inp);
6946 }
6947 }
6948 if (stcb && (net == NULL)) {
6949 struct sockaddr *sa;
6950
6951 sa = (struct sockaddr *)&encaps->sue_address;
6952 #ifdef INET
6953 if (sa->sa_family == AF_INET) {
6954
6955 struct sockaddr_in *sin;
6956 sin = (struct sockaddr_in *)sa;
6957 if (sin->sin_addr.s_addr) {
6958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6959 SCTP_TCB_UNLOCK(stcb);
6960 error = EINVAL;
6961 break;
6962 }
6963 } else
6964 #endif
6965 #ifdef INET6
6966 if (sa->sa_family == AF_INET6) {
6967 struct sockaddr_in6 *sin6;
6968
6969 sin6 = (struct sockaddr_in6 *)sa;
6970 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
6971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6972 SCTP_TCB_UNLOCK(stcb);
6973 error = EINVAL;
6974 break;
6975 }
6976 } else
6977 #endif
6978 #if defined(__Userspace__)
6979 if (sa->sa_family == AF_CONN) {
6980 struct sockaddr_conn *sconn;
6981
6982 sconn = (struct sockaddr_conn *)sa;
6983 if (sconn->sconn_addr != NULL) {
6984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6985 SCTP_TCB_UNLOCK(stcb);
6986 error = EINVAL;
6987 break;
6988 }
6989 } else
6990 #endif
6991 {
6992 error = EAFNOSUPPORT;
6993 SCTP_TCB_UNLOCK(stcb);
6994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6995 break;
6996 }
6997 }
6998
6999 if (stcb) {
7000 if (net) {
7001 net->port = encaps->sue_port;
7002 } else {
7003 stcb->asoc.port = encaps->sue_port;
7004 }
7005 SCTP_TCB_UNLOCK(stcb);
7006 } else {
7007 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
7008 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
7009 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) {
7010 SCTP_INP_WLOCK(inp);
7011 inp->sctp_ep.port = encaps->sue_port;
7012 SCTP_INP_WUNLOCK(inp);
7013 } else {
7014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7015 error = EINVAL;
7016 }
7017 }
7018 break;
7019 }
7020 case SCTP_ECN_SUPPORTED:
7021 {
7022 struct sctp_assoc_value *av;
7023
7024 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
7025 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
7026
7027 if (stcb) {
7028 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7029 error = EINVAL;
7030 SCTP_TCB_UNLOCK(stcb);
7031 } else {
7032 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
7033 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
7034 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
7035 SCTP_INP_WLOCK(inp);
7036 if (av->assoc_value == 0) {
7037 inp->ecn_supported = 0;
7038 } else {
7039 inp->ecn_supported = 1;
7040 }
7041 SCTP_INP_WUNLOCK(inp);
7042 } else {
7043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7044 error = EINVAL;
7045 }
7046 }
7047 break;
7048 }
7049 case SCTP_PR_SUPPORTED:
7050 {
7051 struct sctp_assoc_value *av;
7052
7053 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
7054 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
7055
7056 if (stcb) {
7057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7058 error = EINVAL;
7059 SCTP_TCB_UNLOCK(stcb);
7060 } else {
7061 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
7062 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
7063 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
7064 SCTP_INP_WLOCK(inp);
7065 if (av->assoc_value == 0) {
7066 inp->prsctp_supported = 0;
7067 } else {
7068 inp->prsctp_supported = 1;
7069 }
7070 SCTP_INP_WUNLOCK(inp);
7071 } else {
7072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7073 error = EINVAL;
7074 }
7075 }
7076 break;
7077 }
7078 case SCTP_AUTH_SUPPORTED:
7079 {
7080 struct sctp_assoc_value *av;
7081
7082 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
7083 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
7084
7085 if (stcb) {
7086 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7087 error = EINVAL;
7088 SCTP_TCB_UNLOCK(stcb);
7089 } else {
7090 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
7091 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
7092 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
7093 if ((av->assoc_value == 0) &&
7094 (inp->asconf_supported == 1)) {
7095 /* AUTH is required for ASCONF */
7096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7097 error = EINVAL;
7098 } else {
7099 SCTP_INP_WLOCK(inp);
7100 if (av->assoc_value == 0) {
7101 inp->auth_supported = 0;
7102 } else {
7103 inp->auth_supported = 1;
7104 }
7105 SCTP_INP_WUNLOCK(inp);
7106 }
7107 } else {
7108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7109 error = EINVAL;
7110 }
7111 }
7112 break;
7113 }
7114 case SCTP_ASCONF_SUPPORTED:
7115 {
7116 struct sctp_assoc_value *av;
7117
7118 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
7119 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
7120
7121 if (stcb) {
7122 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7123 error = EINVAL;
7124 SCTP_TCB_UNLOCK(stcb);
7125 } else {
7126 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
7127 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
7128 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
7129 if ((av->assoc_value != 0) &&
7130 (inp->auth_supported == 0)) {
7131 /* AUTH is required for ASCONF */
7132 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7133 error = EINVAL;
7134 } else {
7135 SCTP_INP_WLOCK(inp);
7136 if (av->assoc_value == 0) {
7137 inp->asconf_supported = 0;
7138 sctp_auth_delete_chunk(SCTP_ASCONF,
7139 inp->sctp_ep.local_auth_chunks);
7140 sctp_auth_delete_chunk(SCTP_ASCONF_ACK,
7141 inp->sctp_ep.local_auth_chunks);
7142 } else {
7143 inp->asconf_supported = 1;
7144 sctp_auth_add_chunk(SCTP_ASCONF,
7145 inp->sctp_ep.local_auth_chunks);
7146 sctp_auth_add_chunk(SCTP_ASCONF_ACK,
7147 inp->sctp_ep.local_auth_chunks);
7148 }
7149 SCTP_INP_WUNLOCK(inp);
7150 }
7151 } else {
7152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7153 error = EINVAL;
7154 }
7155 }
7156 break;
7157 }
7158 case SCTP_RECONFIG_SUPPORTED:
7159 {
7160 struct sctp_assoc_value *av;
7161
7162 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
7163 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
7164
7165 if (stcb) {
7166 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7167 error = EINVAL;
7168 SCTP_TCB_UNLOCK(stcb);
7169 } else {
7170 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
7171 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
7172 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
7173 SCTP_INP_WLOCK(inp);
7174 if (av->assoc_value == 0) {
7175 inp->reconfig_supported = 0;
7176 } else {
7177 inp->reconfig_supported = 1;
7178 }
7179 SCTP_INP_WUNLOCK(inp);
7180 } else {
7181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7182 error = EINVAL;
7183 }
7184 }
7185 break;
7186 }
7187 case SCTP_NRSACK_SUPPORTED:
7188 {
7189 struct sctp_assoc_value *av;
7190
7191 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
7192 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
7193
7194 if (stcb) {
7195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7196 error = EINVAL;
7197 SCTP_TCB_UNLOCK(stcb);
7198 } else {
7199 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
7200 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
7201 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
7202 SCTP_INP_WLOCK(inp);
7203 if (av->assoc_value == 0) {
7204 inp->nrsack_supported = 0;
7205 } else {
7206 inp->nrsack_supported = 1;
7207 }
7208 SCTP_INP_WUNLOCK(inp);
7209 } else {
7210 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7211 error = EINVAL;
7212 }
7213 }
7214 break;
7215 }
7216 case SCTP_PKTDROP_SUPPORTED:
7217 {
7218 struct sctp_assoc_value *av;
7219
7220 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
7221 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
7222
7223 if (stcb) {
7224 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7225 error = EINVAL;
7226 SCTP_TCB_UNLOCK(stcb);
7227 } else {
7228 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
7229 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
7230 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
7231 SCTP_INP_WLOCK(inp);
7232 if (av->assoc_value == 0) {
7233 inp->pktdrop_supported = 0;
7234 } else {
7235 inp->pktdrop_supported = 1;
7236 }
7237 SCTP_INP_WUNLOCK(inp);
7238 } else {
7239 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7240 error = EINVAL;
7241 }
7242 }
7243 break;
7244 }
7245 default:
7246 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
7247 error = ENOPROTOOPT;
7248 break;
7249 } /* end switch (opt) */
7250 return (error);
7251 }
7252
7253 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
7254 int
7255 sctp_ctloutput(struct socket *so, struct sockopt *sopt)
7256 {
7257 void *optval = NULL;
7258 size_t optsize = 0;
7259 void *p;
7260 int error = 0;
7261
7262 if (sopt->sopt_level != IPPROTO_SCTP) {
7263 /* wrong proto level... send back up to IP */
7264 #ifdef INET6
7265 if (INP_CHECK_SOCKAF(so, AF_INET6))
7266 error = ip6_ctloutput(so, sopt);
7267 #endif /* INET6 */
7268 #if defined(INET) && defined(INET6)
7269 else
7270 #endif
7271 #ifdef INET
7272 error = ip_ctloutput(so, sopt);
7273 #endif
7274 return (error);
7275 }
7276 optsize = sopt->sopt_valsize;
7277 if (optsize) {
7278 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT);
7279 if (optval == NULL) {
7280 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
7281 return (ENOBUFS);
7282 }
7283 error = sooptcopyin(sopt, optval, optsize, optsize);
7284 if (error) {
7285 SCTP_FREE(optval, SCTP_M_SOCKOPT);
7286 goto out;
7287 }
7288 }
7289 #if (defined(__FreeBSD__) && __FreeBSD_version >= 500000) || defined(__Windows__)
7290 p = (void *)sopt->sopt_td;
7291 #else
7292 p = (void *)sopt->sopt_p;
7293 #endif
7294 if (sopt->sopt_dir == SOPT_SET) {
7295 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p);
7296 } else if (sopt->sopt_dir == SOPT_GET) {
7297 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p);
7298 } else {
7299 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7300 error = EINVAL;
7301 }
7302 if ((error == 0) && (optval != NULL)) {
7303 error = sooptcopyout(sopt, optval, optsize);
7304 SCTP_FREE(optval, SCTP_M_SOCKOPT);
7305 } else if (optval != NULL) {
7306 SCTP_FREE(optval, SCTP_M_SOCKOPT);
7307 }
7308 out:
7309 return (error);
7310 }
7311 #endif
7312
7313 #ifdef INET
7314 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
7315 static int
7316 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
7317 {
7318 #else
7319 #if defined(__FreeBSD__) || defined(__APPLE__)
7320 static int
7321 sctp_connect(struct socket *so, struct sockaddr *addr, struct proc *p)
7322 {
7323 #elif defined(__Panda__) || defined(__Userspace__)
7324 int
7325 sctp_connect(struct socket *so, struct sockaddr *addr)
7326 {
7327 void *p = NULL;
7328 #elif defined(__Windows__)
7329 static int
7330 sctp_connect(struct socket *so, struct sockaddr *addr, PKTHREAD p)
7331 {
7332 #else
7333 static int
7334 sctp_connect(struct socket *so, struct mbuf *nam, struct proc *p)
7335 {
7336 struct sockaddr *addr = mtod(nam, struct sockaddr *);
7337
7338 #endif
7339 #endif
7340 #ifdef SCTP_MVRF
7341 int i, fnd = 0;
7342 #endif
7343 int error = 0;
7344 int create_lock_on = 0;
7345 uint32_t vrf_id;
7346 struct sctp_inpcb *inp;
7347 struct sctp_tcb *stcb = NULL;
7348
7349 inp = (struct sctp_inpcb *)so->so_pcb;
7350 if (inp == NULL) {
7351 /* I made the same as TCP since we are not setup? */
7352 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7353 return (ECONNRESET);
7354 }
7355 if (addr == NULL) {
7356 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7357 return EINVAL;
7358 }
7359
7360 #if defined(__Userspace__)
7361 /* TODO __Userspace__ falls into this code for IPv6 stuff at the moment... */
7362 #endif
7363 #if !defined(__Windows__) && !defined(__Userspace_os_Linux) && !defined(__Userspace_os_Windows)
7364 switch (addr->sa_family) {
7365 #ifdef INET6
7366 case AF_INET6:
7367 {
7368 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
7369 struct sockaddr_in6 *sin6p;
7370
7371 #endif
7372 if (addr->sa_len != sizeof(struct sockaddr_in6)) {
7373 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7374 return (EINVAL);
7375 }
7376 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
7377 sin6p = (struct sockaddr_in6 *)addr;
7378 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) {
7379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
7380 return (error);
7381 }
7382 #endif
7383 break;
7384 }
7385 #endif
7386 #ifdef INET
7387 case AF_INET:
7388 {
7389 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
7390 struct sockaddr_in *sinp;
7391
7392 #endif
7393 #if !defined(__Userspace_os_Windows)
7394 if (addr->sa_len != sizeof(struct sockaddr_in)) {
7395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7396 return (EINVAL);
7397 }
7398 #endif
7399 #if defined(__FreeBSD__) && __FreeBSD_version >= 800000
7400 sinp = (struct sockaddr_in *)addr;
7401 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) {
7402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
7403 return (error);
7404 }
7405 #endif
7406 break;
7407 }
7408 #endif
7409 default:
7410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
7411 return (EAFNOSUPPORT);
7412 }
7413 #endif
7414 SCTP_INP_INCR_REF(inp);
7415 SCTP_ASOC_CREATE_LOCK(inp);
7416 create_lock_on = 1;
7417
7418
7419 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
7420 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
7421 /* Should I really unlock ? */
7422 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
7423 error = EFAULT;
7424 goto out_now;
7425 }
7426 #ifdef INET6
7427 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
7428 (addr->sa_family == AF_INET6)) {
7429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7430 error = EINVAL;
7431 goto out_now;
7432 }
7433 #endif
7434 #if defined(__Userspace__)
7435 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) &&
7436 (addr->sa_family != AF_CONN)) {
7437 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7438 error = EINVAL;
7439 goto out_now;
7440 }
7441 #endif
7442 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
7443 SCTP_PCB_FLAGS_UNBOUND) {
7444 /* Bind a ephemeral port */
7445 error = sctp_inpcb_bind(so, NULL, NULL, p);
7446 if (error) {
7447 goto out_now;
7448 }
7449 }
7450 /* Now do we connect? */
7451 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
7452 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
7453 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7454 error = EINVAL;
7455 goto out_now;
7456 }
7457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
7458 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
7459 /* We are already connected AND the TCP model */
7460 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
7461 error = EADDRINUSE;
7462 goto out_now;
7463 }
7464 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
7465 SCTP_INP_RLOCK(inp);
7466 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7467 SCTP_INP_RUNLOCK(inp);
7468 } else {
7469 /* We increment here since sctp_findassociation_ep_addr() will
7470 * do a decrement if it finds the stcb as long as the locked
7471 * tcb (last argument) is NOT a TCB.. aka NULL.
7472 */
7473 SCTP_INP_INCR_REF(inp);
7474 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
7475 if (stcb == NULL) {
7476 SCTP_INP_DECR_REF(inp);
7477 } else {
7478 SCTP_TCB_UNLOCK(stcb);
7479 }
7480 }
7481 if (stcb != NULL) {
7482 /* Already have or am bring up an association */
7483 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
7484 error = EALREADY;
7485 goto out_now;
7486 }
7487
7488 vrf_id = inp->def_vrf_id;
7489 #ifdef SCTP_MVRF
7490 for (i = 0; i < inp->num_vrfs; i++) {
7491 if (vrf_id == inp->m_vrf_ids[i]) {
7492 fnd = 1;
7493 break;
7494 }
7495 }
7496 if (!fnd) {
7497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7498 error = EINVAL;
7499 goto out_now;
7500 }
7501 #endif
7502 /* We are GOOD to go */
7503 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p);
7504 if (stcb == NULL) {
7505 /* Gak! no memory */
7506 goto out_now;
7507 }
7508 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
7509 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
7510 /* Set the connected flag so we can queue data */
7511 soisconnecting(so);
7512 }
7513 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
7514 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
7515
7516 /* initialize authentication parameters for the assoc */
7517 sctp_initialize_auth_params(inp, stcb);
7518
7519 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
7520 SCTP_TCB_UNLOCK(stcb);
7521 out_now:
7522 if (create_lock_on) {
7523 SCTP_ASOC_CREATE_UNLOCK(inp);
7524 }
7525
7526 SCTP_INP_DECR_REF(inp);
7527 return (error);
7528 }
7529 #endif
7530
7531 #if defined(__Userspace__)
7532 int
7533 sctpconn_connect(struct socket *so, struct sockaddr *addr)
7534 {
7535 #ifdef SCTP_MVRF
7536 int i, fnd = 0;
7537 #endif
7538 void *p = NULL;
7539 int error = 0;
7540 int create_lock_on = 0;
7541 uint32_t vrf_id;
7542 struct sctp_inpcb *inp;
7543 struct sctp_tcb *stcb = NULL;
7544
7545 inp = (struct sctp_inpcb *)so->so_pcb;
7546 if (inp == NULL) {
7547 /* I made the same as TCP since we are not setup? */
7548 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7549 return (ECONNRESET);
7550 }
7551 if (addr == NULL) {
7552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7553 return EINVAL;
7554 }
7555 switch (addr->sa_family) {
7556 #ifdef INET
7557 case AF_INET:
7558 #ifdef HAVE_SA_LEN
7559 if (addr->sa_len != sizeof(struct sockaddr_in)) {
7560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7561 return (EINVAL);
7562 }
7563 #endif
7564 break;
7565 #endif
7566 #ifdef INET6
7567 case AF_INET6:
7568 #ifdef HAVE_SA_LEN
7569 if (addr->sa_len != sizeof(struct sockaddr_in6)) {
7570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7571 return (EINVAL);
7572 }
7573 #endif
7574 break;
7575 #endif
7576 case AF_CONN:
7577 #ifdef HAVE_SA_LEN
7578 if (addr->sa_len != sizeof(struct sockaddr_conn)) {
7579 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7580 return (EINVAL);
7581 }
7582 #endif
7583 break;
7584 default:
7585 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
7586 return (EAFNOSUPPORT);
7587 }
7588 SCTP_INP_INCR_REF(inp);
7589 SCTP_ASOC_CREATE_LOCK(inp);
7590 create_lock_on = 1;
7591
7592
7593 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
7594 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
7595 /* Should I really unlock ? */
7596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
7597 error = EFAULT;
7598 goto out_now;
7599 }
7600 #ifdef INET6
7601 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
7602 (addr->sa_family == AF_INET6)) {
7603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7604 error = EINVAL;
7605 goto out_now;
7606 }
7607 #endif
7608 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == SCTP_PCB_FLAGS_UNBOUND) {
7609 /* Bind a ephemeral port */
7610 error = sctp_inpcb_bind(so, NULL, NULL, p);
7611 if (error) {
7612 goto out_now;
7613 }
7614 }
7615 /* Now do we connect? */
7616 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
7617 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
7618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7619 error = EINVAL;
7620 goto out_now;
7621 }
7622 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
7623 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
7624 /* We are already connected AND the TCP model */
7625 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
7626 error = EADDRINUSE;
7627 goto out_now;
7628 }
7629 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
7630 SCTP_INP_RLOCK(inp);
7631 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7632 SCTP_INP_RUNLOCK(inp);
7633 } else {
7634 /* We increment here since sctp_findassociation_ep_addr() will
7635 * do a decrement if it finds the stcb as long as the locked
7636 * tcb (last argument) is NOT a TCB.. aka NULL.
7637 */
7638 SCTP_INP_INCR_REF(inp);
7639 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
7640 if (stcb == NULL) {
7641 SCTP_INP_DECR_REF(inp);
7642 } else {
7643 SCTP_TCB_UNLOCK(stcb);
7644 }
7645 }
7646 if (stcb != NULL) {
7647 /* Already have or am bring up an association */
7648 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
7649 error = EALREADY;
7650 goto out_now;
7651 }
7652
7653 vrf_id = inp->def_vrf_id;
7654 #ifdef SCTP_MVRF
7655 for (i = 0; i < inp->num_vrfs; i++) {
7656 if (vrf_id == inp->m_vrf_ids[i]) {
7657 fnd = 1;
7658 break;
7659 }
7660 }
7661 if (!fnd) {
7662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7663 error = EINVAL;
7664 goto out_now;
7665 }
7666 #endif
7667 /* We are GOOD to go */
7668 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p);
7669 if (stcb == NULL) {
7670 /* Gak! no memory */
7671 goto out_now;
7672 }
7673 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
7674 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
7675 /* Set the connected flag so we can queue data */
7676 soisconnecting(so);
7677 }
7678 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
7679 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
7680
7681 /* initialize authentication parameters for the assoc */
7682 sctp_initialize_auth_params(inp, stcb);
7683
7684 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
7685 SCTP_TCB_UNLOCK(stcb);
7686 out_now:
7687 if (create_lock_on) {
7688 SCTP_ASOC_CREATE_UNLOCK(inp);
7689 }
7690
7691 SCTP_INP_DECR_REF(inp);
7692 return (error);
7693 }
7694 #endif
7695 int
7696 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
7697 #if __FreeBSD_version >= 700000
7698 sctp_listen(struct socket *so, int backlog, struct thread *p)
7699 #else
7700 sctp_listen(struct socket *so, struct thread *p)
7701 #endif
7702 #elif defined(__Windows__)
7703 sctp_listen(struct socket *so, int backlog, PKTHREAD p)
7704 #elif defined(__Userspace__)
7705 sctp_listen(struct socket *so, int backlog, struct proc *p)
7706 #else
7707 sctp_listen(struct socket *so, struct proc *p)
7708 #endif
7709 {
7710 /*
7711 * Note this module depends on the protocol processing being called
7712 * AFTER any socket level flags and backlog are applied to the
7713 * socket. The traditional way that the socket flags are applied is
7714 * AFTER protocol processing. We have made a change to the
7715 * sys/kern/uipc_socket.c module to reverse this but this MUST be in
7716 * place if the socket API for SCTP is to work properly.
7717 */
7718
7719 int error = 0;
7720 struct sctp_inpcb *inp;
7721
7722 inp = (struct sctp_inpcb *)so->so_pcb;
7723 if (inp == NULL) {
7724 /* I made the same as TCP since we are not setup? */
7725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7726 return (ECONNRESET);
7727 }
7728 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) {
7729 /* See if we have a listener */
7730 struct sctp_inpcb *tinp;
7731 union sctp_sockstore store;
7732
7733 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
7734 /* not bound all */
7735 struct sctp_laddr *laddr;
7736
7737 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
7738 memcpy(&store, &laddr->ifa->address, sizeof(store));
7739 switch (store.sa.sa_family) {
7740 #ifdef INET
7741 case AF_INET:
7742 store.sin.sin_port = inp->sctp_lport;
7743 break;
7744 #endif
7745 #ifdef INET6
7746 case AF_INET6:
7747 store.sin6.sin6_port = inp->sctp_lport;
7748 break;
7749 #endif
7750 #if defined(__Userspace__)
7751 case AF_CONN:
7752 store.sconn.sconn_port = inp->sctp_lport;
7753 break;
7754 #endif
7755 default:
7756 break;
7757 }
7758 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id);
7759 if (tinp && (tinp != inp) &&
7760 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
7761 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
7762 (tinp->sctp_socket->so_qlimit)) {
7763 /* we have a listener already and its not this inp. */
7764 SCTP_INP_DECR_REF(tinp);
7765 return (EADDRINUSE);
7766 } else if (tinp) {
7767 SCTP_INP_DECR_REF(tinp);
7768 }
7769 }
7770 } else {
7771 /* Setup a local addr bound all */
7772 memset(&store, 0, sizeof(store));
7773 #ifdef INET6
7774 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
7775 store.sa.sa_family = AF_INET6;
7776 #ifdef HAVE_SA_LEN
7777 store.sa.sa_len = sizeof(struct sockaddr_in6);
7778 #endif
7779 }
7780 #endif
7781 #if defined(__Userspace__)
7782 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) {
7783 store.sa.sa_family = AF_CONN;
7784 #ifdef HAVE_SA_LEN
7785 store.sa.sa_len = sizeof(struct sockaddr_conn);
7786 #endif
7787 }
7788 #endif
7789 #ifdef INET
7790 #if defined(__Userspace__)
7791 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
7792 ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) == 0)) {
7793 #else
7794 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {
7795 #endif
7796 store.sa.sa_family = AF_INET;
7797 #ifdef HAVE_SA_LEN
7798 store.sa.sa_len = sizeof(struct sockaddr_in);
7799 #endif
7800 }
7801 #endif
7802 switch (store.sa.sa_family) {
7803 #ifdef INET
7804 case AF_INET:
7805 store.sin.sin_port = inp->sctp_lport;
7806 break;
7807 #endif
7808 #ifdef INET6
7809 case AF_INET6:
7810 store.sin6.sin6_port = inp->sctp_lport;
7811 break;
7812 #endif
7813 #if defined(__Userspace__)
7814 case AF_CONN:
7815 store.sconn.sconn_port = inp->sctp_lport;
7816 break;
7817 #endif
7818 default:
7819 break;
7820 }
7821 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id);
7822 if (tinp && (tinp != inp) &&
7823 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
7824 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
7825 (tinp->sctp_socket->so_qlimit)) {
7826 /* we have a listener already and its not this inp. */
7827 SCTP_INP_DECR_REF(tinp);
7828 return (EADDRINUSE);
7829 } else if (tinp) {
7830 SCTP_INP_DECR_REF(inp);
7831 }
7832 }
7833 }
7834 SCTP_INP_RLOCK(inp);
7835 #ifdef SCTP_LOCK_LOGGING
7836 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) {
7837 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
7838 }
7839 #endif
7840 SOCK_LOCK(so);
7841 #if (defined(__FreeBSD__) && __FreeBSD_version > 500000) || defined(__Userspace__)
7842 error = solisten_proto_check(so);
7843 if (error) {
7844 SOCK_UNLOCK(so);
7845 SCTP_INP_RUNLOCK(inp);
7846 return (error);
7847 }
7848 #endif
7849 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&
7850 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
7851 /* The unlucky case
7852 * - We are in the tcp pool with this guy.
7853 * - Someone else is in the main inp slot.
7854 * - We must move this guy (the listener) to the main slot
7855 * - We must then move the guy that was listener to the TCP Pool.
7856 */
7857 if (sctp_swap_inpcb_for_listen(inp)) {
7858 goto in_use;
7859 }
7860 }
7861
7862 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
7863 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
7864 /* We are already connected AND the TCP model */
7865 in_use:
7866 SCTP_INP_RUNLOCK(inp);
7867 SOCK_UNLOCK(so);
7868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
7869 return (EADDRINUSE);
7870 }
7871 SCTP_INP_RUNLOCK(inp);
7872 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
7873 /* We must do a bind. */
7874 SOCK_UNLOCK(so);
7875 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) {
7876 /* bind error, probably perm */
7877 return (error);
7878 }
7879 SOCK_LOCK(so);
7880 }
7881 #if (defined(__FreeBSD__) && __FreeBSD_version > 500000) || defined(__Windows__) || defined(__Userspace__)
7882 #if __FreeBSD_version >= 700000 || defined(__Windows__) || defined(__Userspace__)
7883 /* It appears for 7.0 and on, we must always call this. */
7884 solisten_proto(so, backlog);
7885 #else
7886 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) {
7887 solisten_proto(so);
7888 }
7889 #endif
7890 #endif
7891 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
7892 /* remove the ACCEPTCONN flag for one-to-many sockets */
7893 #if defined(__Userspace__)
7894 so->so_options &= ~SCTP_SO_ACCEPTCONN;
7895 #else
7896 so->so_options &= ~SO_ACCEPTCONN;
7897 #endif
7898 }
7899
7900 #if __FreeBSD_version >= 700000 || defined(__Windows__) || defined(__Userspace__)
7901 if (backlog == 0) {
7902 /* turning off listen */
7903 #if defined(__Userspace__)
7904 so->so_options &= ~SCTP_SO_ACCEPTCONN;
7905 #else
7906 so->so_options &= ~SO_ACCEPTCONN;
7907 #endif
7908 }
7909 #endif
7910 SOCK_UNLOCK(so);
7911 return (error);
7912 }
7913
7914 static int sctp_defered_wakeup_cnt = 0;
7915
7916 int
7917 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
7918 sctp_accept(struct socket *so, struct sockaddr **addr)
7919 {
7920 #elif defined(__Panda__)
7921 sctp_accept(struct socket *so, struct sockaddr *addr, int *namelen,
7922 void *accept_info, int *accept_info_len)
7923 {
7924 #else
7925 sctp_accept(struct socket *so, struct mbuf *nam)
7926 {
7927 struct sockaddr *addr = mtod(nam, struct sockaddr *);
7928 #endif
7929 struct sctp_tcb *stcb;
7930 struct sctp_inpcb *inp;
7931 union sctp_sockstore store;
7932 #ifdef INET6
7933 #ifdef SCTP_KAME
7934 int error;
7935 #endif /* SCTP_KAME */
7936 #endif
7937 inp = (struct sctp_inpcb *)so->so_pcb;
7938
7939 if (inp == NULL) {
7940 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7941 return (ECONNRESET);
7942 }
7943 SCTP_INP_RLOCK(inp);
7944 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
7945 SCTP_INP_RUNLOCK(inp);
7946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
7947 return (EOPNOTSUPP);
7948 }
7949 if (so->so_state & SS_ISDISCONNECTED) {
7950 SCTP_INP_RUNLOCK(inp);
7951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED);
7952 return (ECONNABORTED);
7953 }
7954 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7955 if (stcb == NULL) {
7956 SCTP_INP_RUNLOCK(inp);
7957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7958 return (ECONNRESET);
7959 }
7960 SCTP_TCB_LOCK(stcb);
7961 SCTP_INP_RUNLOCK(inp);
7962 store = stcb->asoc.primary_destination->ro._l_addr;
7963 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE;
7964 SCTP_TCB_UNLOCK(stcb);
7965 switch (store.sa.sa_family) {
7966 #ifdef INET
7967 case AF_INET:
7968 {
7969 struct sockaddr_in *sin;
7970
7971 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
7972 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7973 if (sin == NULL)
7974 return (ENOMEM);
7975 #else
7976 sin = (struct sockaddr_in *)addr;
7977 bzero((caddr_t)sin, sizeof(*sin));
7978 #endif
7979 sin->sin_family = AF_INET;
7980 #ifdef HAVE_SIN_LEN
7981 sin->sin_len = sizeof(*sin);
7982 #endif
7983 sin->sin_port = store.sin.sin_port;
7984 sin->sin_addr = store.sin.sin_addr;
7985 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
7986 *addr = (struct sockaddr *)sin;
7987 #elif !defined(__Panda__)
7988 SCTP_BUF_LEN(nam) = sizeof(*sin);
7989 #endif
7990 break;
7991 }
7992 #endif
7993 #ifdef INET6
7994 case AF_INET6:
7995 {
7996 struct sockaddr_in6 *sin6;
7997
7998 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
7999 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
8000 if (sin6 == NULL)
8001 return (ENOMEM);
8002 #else
8003 sin6 = (struct sockaddr_in6 *)addr;
8004 bzero((caddr_t)sin6, sizeof(*sin6));
8005 #endif
8006 sin6->sin6_family = AF_INET6;
8007 #ifdef HAVE_SIN6_LEN
8008 sin6->sin6_len = sizeof(*sin6);
8009 #endif
8010 sin6->sin6_port = store.sin6.sin6_port;
8011 sin6->sin6_addr = store.sin6.sin6_addr;
8012 #if defined(SCTP_EMBEDDED_V6_SCOPE)
8013 #ifdef SCTP_KAME
8014 if ((error = sa6_recoverscope(sin6)) != 0) {
8015 SCTP_FREE_SONAME(sin6);
8016 return (error);
8017 }
8018 #else
8019 if (IN6_IS_SCOPE_LINKLOCAL(&sin6->sin6_addr))
8020 /*
8021 * sin6->sin6_scope_id =
8022 * ntohs(sin6->sin6_addr.s6_addr16[1]);
8023 */
8024 in6_recoverscope(sin6, &sin6->sin6_addr, NULL); /* skip ifp check */
8025 else
8026 sin6->sin6_scope_id = 0; /* XXX */
8027 #endif /* SCTP_KAME */
8028 #endif /* SCTP_EMBEDDED_V6_SCOPE */
8029 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
8030 *addr = (struct sockaddr *)sin6;
8031 #elif !defined(__Panda__)
8032 SCTP_BUF_LEN(nam) = sizeof(*sin6);
8033 #endif
8034 break;
8035 }
8036 #endif
8037 #if defined(__Userspace__)
8038 case AF_CONN:
8039 {
8040 struct sockaddr_conn *sconn;
8041
8042 SCTP_MALLOC_SONAME(sconn, struct sockaddr_conn *, sizeof(struct sockaddr_conn));
8043 if (sconn == NULL) {
8044 return (ENOMEM);
8045 }
8046 sconn->sconn_family = AF_CONN;
8047 #ifdef HAVE_SCONN_LEN
8048 sconn->sconn_len = sizeof(struct sockaddr_conn);
8049 #endif
8050 sconn->sconn_port = store.sconn.sconn_port;
8051 sconn->sconn_addr = store.sconn.sconn_addr;
8052 *addr = (struct sockaddr *)sconn;
8053 break;
8054 }
8055 #endif
8056 default:
8057 /* TSNH */
8058 break;
8059 }
8060 /* Wake any delayed sleep action */
8061 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
8062 SCTP_INP_WLOCK(inp);
8063 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
8064 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
8065 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
8066 SCTP_INP_WUNLOCK(inp);
8067 SOCKBUF_LOCK(&inp->sctp_socket->so_snd);
8068 if (sowriteable(inp->sctp_socket)) {
8069 #if defined(__Userspace__)
8070 /*__Userspace__ calling sowwakup_locked because of SOCKBUF_LOCK above. */
8071 #endif
8072 #if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__)
8073 sowwakeup_locked(inp->sctp_socket);
8074 #else
8075 #if defined(__APPLE__)
8076 /* socket is locked */
8077 #endif
8078 sowwakeup(inp->sctp_socket);
8079 #endif
8080 } else {
8081 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd);
8082 }
8083 SCTP_INP_WLOCK(inp);
8084 }
8085 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
8086 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
8087 SCTP_INP_WUNLOCK(inp);
8088 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv);
8089 if (soreadable(inp->sctp_socket)) {
8090 sctp_defered_wakeup_cnt++;
8091 #if defined(__Userspace__)
8092 /*__Userspace__ calling sorwakup_locked because of SOCKBUF_LOCK above */
8093 #endif
8094 #if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__)
8095 sorwakeup_locked(inp->sctp_socket);
8096 #else
8097 #if defined(__APPLE__)
8098 /* socket is locked */
8099 #endif
8100 sorwakeup(inp->sctp_socket);
8101 #endif
8102 } else {
8103 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv);
8104 }
8105 SCTP_INP_WLOCK(inp);
8106 }
8107 SCTP_INP_WUNLOCK(inp);
8108 }
8109 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
8110 SCTP_TCB_LOCK(stcb);
8111 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_7);
8112 }
8113 return (0);
8114 }
8115
8116 #ifdef INET
8117 int
8118 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
8119 sctp_ingetaddr(struct socket *so, struct sockaddr **addr)
8120 {
8121 struct sockaddr_in *sin;
8122 #elif defined(__Panda__)
8123 sctp_ingetaddr(struct socket *so, struct sockaddr *addr)
8124 {
8125 struct sockaddr_in *sin = (struct sockaddr_in *)addr;
8126 #else
8127 sctp_ingetaddr(struct socket *so, struct mbuf *nam)
8128 {
8129 struct sockaddr_in *sin = mtod(nam, struct sockaddr_in *);
8130 #endif
8131 uint32_t vrf_id;
8132 struct sctp_inpcb *inp;
8133 struct sctp_ifa *sctp_ifa;
8134
8135 /*
8136 * Do the malloc first in case it blocks.
8137 */
8138 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
8139 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
8140 if (sin == NULL)
8141 return (ENOMEM);
8142 #elif defined(__Panda__)
8143 bzero(sin, sizeof(*sin));
8144 #else
8145 SCTP_BUF_LEN(nam) = sizeof(*sin);
8146 memset(sin, 0, sizeof(*sin));
8147 #endif
8148 sin->sin_family = AF_INET;
8149 #ifdef HAVE_SIN_LEN
8150 sin->sin_len = sizeof(*sin);
8151 #endif
8152 inp = (struct sctp_inpcb *)so->so_pcb;
8153 if (!inp) {
8154 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
8155 SCTP_FREE_SONAME(sin);
8156 #endif
8157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
8158 return (ECONNRESET);
8159 }
8160 SCTP_INP_RLOCK(inp);
8161 sin->sin_port = inp->sctp_lport;
8162 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
8163 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
8164 struct sctp_tcb *stcb;
8165 struct sockaddr_in *sin_a;
8166 struct sctp_nets *net;
8167 int fnd;
8168
8169 stcb = LIST_FIRST(&inp->sctp_asoc_list);
8170 if (stcb == NULL) {
8171 goto notConn;
8172 }
8173 fnd = 0;
8174 sin_a = NULL;
8175 SCTP_TCB_LOCK(stcb);
8176 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
8177 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
8178 if (sin_a == NULL)
8179 /* this will make coverity happy */
8180 continue;
8181
8182 if (sin_a->sin_family == AF_INET) {
8183 fnd = 1;
8184 break;
8185 }
8186 }
8187 if ((!fnd) || (sin_a == NULL)) {
8188 /* punt */
8189 SCTP_TCB_UNLOCK(stcb);
8190 goto notConn;
8191 }
8192
8193 vrf_id = inp->def_vrf_id;
8194 sctp_ifa = sctp_source_address_selection(inp,
8195 stcb,
8196 (sctp_route_t *)&net->ro,
8197 net, 0, vrf_id);
8198 if (sctp_ifa) {
8199 sin->sin_addr = sctp_ifa->address.sin.sin_addr;
8200 sctp_free_ifa(sctp_ifa);
8201 }
8202 SCTP_TCB_UNLOCK(stcb);
8203 } else {
8204 /* For the bound all case you get back 0 */
8205 notConn:
8206 sin->sin_addr.s_addr = 0;
8207 }
8208
8209 } else {
8210 /* Take the first IPv4 address in the list */
8211 struct sctp_laddr *laddr;
8212 int fnd = 0;
8213
8214 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
8215 if (laddr->ifa->address.sa.sa_family == AF_INET) {
8216 struct sockaddr_in *sin_a;
8217
8218 sin_a = &laddr->ifa->address.sin;
8219 sin->sin_addr = sin_a->sin_addr;
8220 fnd = 1;
8221 break;
8222 }
8223 }
8224 if (!fnd) {
8225 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
8226 SCTP_FREE_SONAME(sin);
8227 #endif
8228 SCTP_INP_RUNLOCK(inp);
8229 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
8230 return (ENOENT);
8231 }
8232 }
8233 SCTP_INP_RUNLOCK(inp);
8234 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
8235 (*addr) = (struct sockaddr *)sin;
8236 #endif
8237 return (0);
8238 }
8239
8240 int
8241 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
8242 sctp_peeraddr(struct socket *so, struct sockaddr **addr)
8243 {
8244 struct sockaddr_in *sin;
8245 #elif defined(__Panda__)
8246 sctp_peeraddr(struct socket *so, struct sockaddr *addr)
8247 {
8248 struct sockaddr_in *sin = (struct sockaddr_in *)addr;
8249 #else
8250 sctp_peeraddr(struct socket *so, struct mbuf *nam)
8251 {
8252 struct sockaddr_in *sin = mtod(nam, struct sockaddr_in *);
8253
8254 #endif
8255 int fnd;
8256 struct sockaddr_in *sin_a;
8257 struct sctp_inpcb *inp;
8258 struct sctp_tcb *stcb;
8259 struct sctp_nets *net;
8260
8261 /* Do the malloc first in case it blocks. */
8262 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
8263 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
8264 if (sin == NULL)
8265 return (ENOMEM);
8266 #elif defined(__Panda__)
8267 memset(sin, 0, sizeof(*sin));
8268 #else
8269 SCTP_BUF_LEN(nam) = sizeof(*sin);
8270 memset(sin, 0, sizeof(*sin));
8271 #endif
8272 sin->sin_family = AF_INET;
8273 #ifdef HAVE_SIN_LEN
8274 sin->sin_len = sizeof(*sin);
8275 #endif
8276
8277 inp = (struct sctp_inpcb *)so->so_pcb;
8278 if ((inp == NULL) ||
8279 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
8280 /* UDP type and listeners will drop out here */
8281 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
8282 SCTP_FREE_SONAME(sin);
8283 #endif
8284 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
8285 return (ENOTCONN);
8286 }
8287 SCTP_INP_RLOCK(inp);
8288 stcb = LIST_FIRST(&inp->sctp_asoc_list);
8289 if (stcb) {
8290 SCTP_TCB_LOCK(stcb);
8291 }
8292 SCTP_INP_RUNLOCK(inp);
8293 if (stcb == NULL) {
8294 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
8295 SCTP_FREE_SONAME(sin);
8296 #endif
8297 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
8298 return (ECONNRESET);
8299 }
8300 fnd = 0;
8301 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
8302 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
8303 if (sin_a->sin_family == AF_INET) {
8304 fnd = 1;
8305 sin->sin_port = stcb->rport;
8306 sin->sin_addr = sin_a->sin_addr;
8307 break;
8308 }
8309 }
8310 SCTP_TCB_UNLOCK(stcb);
8311 if (!fnd) {
8312 /* No IPv4 address */
8313 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
8314 SCTP_FREE_SONAME(sin);
8315 #endif
8316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
8317 return (ENOENT);
8318 }
8319 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
8320 (*addr) = (struct sockaddr *)sin;
8321 #endif
8322 return (0);
8323 }
8324
8325 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
8326 struct pr_usrreqs sctp_usrreqs = {
8327 #if defined(__FreeBSD__)
8328 .pru_abort = sctp_abort,
8329 .pru_accept = sctp_accept,
8330 .pru_attach = sctp_attach,
8331 .pru_bind = sctp_bind,
8332 .pru_connect = sctp_connect,
8333 .pru_control = in_control,
8334 #if __FreeBSD_version >= 690000
8335 .pru_close = sctp_close,
8336 .pru_detach = sctp_close,
8337 .pru_sopoll = sopoll_generic,
8338 .pru_flush = sctp_flush,
8339 #else
8340 .pru_detach = sctp_detach,
8341 .pru_sopoll = sopoll,
8342 #endif
8343 .pru_disconnect = sctp_disconnect,
8344 .pru_listen = sctp_listen,
8345 .pru_peeraddr = sctp_peeraddr,
8346 .pru_send = sctp_sendm,
8347 .pru_shutdown = sctp_shutdown,
8348 .pru_sockaddr = sctp_ingetaddr,
8349 .pru_sosend = sctp_sosend,
8350 .pru_soreceive = sctp_soreceive
8351 #elif defined(__APPLE__)
8352 .pru_abort = sctp_abort,
8353 .pru_accept = sctp_accept,
8354 .pru_attach = sctp_attach,
8355 .pru_bind = sctp_bind,
8356 .pru_connect = sctp_connect,
8357 .pru_connect2 = pru_connect2_notsupp,
8358 .pru_control = in_control,
8359 .pru_detach = sctp_detach,
8360 .pru_disconnect = sctp_disconnect,
8361 .pru_listen = sctp_listen,
8362 .pru_peeraddr = sctp_peeraddr,
8363 .pru_rcvd = NULL,
8364 .pru_rcvoob = pru_rcvoob_notsupp,
8365 .pru_send = sctp_sendm,
8366 .pru_sense = pru_sense_null,
8367 .pru_shutdown = sctp_shutdown,
8368 .pru_sockaddr = sctp_ingetaddr,
8369 .pru_sosend = sctp_sosend,
8370 .pru_soreceive = sctp_soreceive,
8371 .pru_sopoll = sopoll
8372 #elif defined(__Windows__)
8373 sctp_abort,
8374 sctp_accept,
8375 sctp_attach,
8376 sctp_bind,
8377 sctp_connect,
8378 pru_connect2_notsupp,
8379 NULL,
8380 NULL,
8381 sctp_disconnect,
8382 sctp_listen,
8383 sctp_peeraddr,
8384 NULL,
8385 pru_rcvoob_notsupp,
8386 NULL,
8387 pru_sense_null,
8388 sctp_shutdown,
8389 sctp_flush,
8390 sctp_ingetaddr,
8391 sctp_sosend,
8392 sctp_soreceive,
8393 sopoll_generic,
8394 NULL,
8395 sctp_close
8396 #endif
8397 };
8398 #elif !defined(__Panda__) && !defined(__Userspace__)
8399 int
8400 sctp_usrreq(so, req, m, nam, control)
8401 struct socket *so;
8402 int req;
8403 struct mbuf *m, *nam, *control;
8404 {
8405 struct proc *p = curproc;
8406 uint32_t vrf_id;
8407 struct sctp_vrf *vrf;
8408 int error;
8409 int family;
8410 struct sctp_inpcb *inp = (struct sctp_inpcb *)so->so_pcb;
8411
8412 error = 0;
8413 family = so->so_proto->pr_domain->dom_family;
8414 if (req == PRU_CONTROL) {
8415 switch (family) {
8416 case PF_INET:
8417 error = in_control(so, (long)m, (caddr_t)nam,
8418 (struct ifnet *)control);
8419 break;
8420 #ifdef INET6
8421 case PF_INET6:
8422 error = in6_control(so, (long)m, (caddr_t)nam,
8423 (struct ifnet *)control, p);
8424 break;
8425 #endif
8426 default:
8427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
8428 error = EAFNOSUPPORT;
8429 }
8430 return (error);
8431 }
8432 switch (req) {
8433 case PRU_ATTACH:
8434 error = sctp_attach(so, family, p);
8435 break;
8436 case PRU_DETACH:
8437 error = sctp_detach(so);
8438 break;
8439 case PRU_BIND:
8440 if (nam == NULL) {
8441 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
8442 return (EINVAL);
8443 }
8444 error = sctp_bind(so, nam, p);
8445 break;
8446 case PRU_LISTEN:
8447 error = sctp_listen(so, p);
8448 break;
8449 case PRU_CONNECT:
8450 if (nam == NULL) {
8451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
8452 return (EINVAL);
8453 }
8454 error = sctp_connect(so, nam, p);
8455 break;
8456 case PRU_DISCONNECT:
8457 error = sctp_disconnect(so);
8458 break;
8459 case PRU_ACCEPT:
8460 if (nam == NULL) {
8461 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
8462 return (EINVAL);
8463 }
8464 error = sctp_accept(so, nam);
8465 break;
8466 case PRU_SHUTDOWN:
8467 error = sctp_shutdown(so);
8468 break;
8469
8470 case PRU_RCVD:
8471 /*
8472 * For Open and Net BSD, this is real ugly. The mbuf *nam
8473 * that is passed (by soreceive()) is the int flags c ast as
8474 * a (mbuf *) yuck!
8475 */
8476 break;
8477
8478 case PRU_SEND:
8479 /* Flags are ignored */
8480 {
8481 struct sockaddr *addr;
8482
8483 if (nam == NULL)
8484 addr = NULL;
8485 else
8486 addr = mtod(nam, struct sockaddr *);
8487
8488 error = sctp_sendm(so, 0, m, addr, control, p);
8489 }
8490 break;
8491 case PRU_ABORT:
8492 error = sctp_abort(so);
8493 break;
8494
8495 case PRU_SENSE:
8496 error = 0;
8497 break;
8498 case PRU_RCVOOB:
8499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
8500 error = EAFNOSUPPORT;
8501 break;
8502 case PRU_SENDOOB:
8503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
8504 error = EAFNOSUPPORT;
8505 break;
8506 case PRU_PEERADDR:
8507 error = sctp_peeraddr(so, nam);
8508 break;
8509 case PRU_SOCKADDR:
8510 error = sctp_ingetaddr(so, nam);
8511 break;
8512 case PRU_SLOWTIMO:
8513 error = 0;
8514 break;
8515 default:
8516 break;
8517 }
8518 return (error);
8519 }
8520
8521 #endif
8522 #endif
8523
8524 #if defined(__Userspace__)
8525 int
8526 register_recv_cb(struct socket *so,
8527 int (*receive_cb)(struct socket *sock, union sctp_sockstore addr, void *data,
8528 size_t datalen, struct sctp_rcvinfo, int flags, void *ulp_info))
8529 {
8530 struct sctp_inpcb *inp;
8531
8532 inp = (struct sctp_inpcb *) so->so_pcb;
8533 if (inp == NULL) {
8534 return (0);
8535 }
8536 SCTP_INP_WLOCK(inp);
8537 inp->recv_callback = receive_cb;
8538 SCTP_INP_WUNLOCK(inp);
8539 return (1);
8540 }
8541
8542 int
8543 register_send_cb(struct socket *so, uint32_t sb_threshold, int (*send_cb)(struct socket *sock, uint32_t sb_free))
8544 {
8545 struct sctp_inpcb *inp;
8546
8547 inp = (struct sctp_inpcb *) so->so_pcb;
8548 if (inp == NULL) {
8549 return (0);
8550 }
8551 SCTP_INP_WLOCK(inp);
8552 inp->send_callback = send_cb;
8553 inp->send_sb_threshold = sb_threshold;
8554 SCTP_INP_WUNLOCK(inp);
8555 /* FIXME change to current amount free. This will be the full buffer
8556 * the first time this is registered but it could be only a portion
8557 * of the send buffer if this is called a second time e.g. if the
8558 * threshold changes.
8559 */
8560 return (1);
8561 }
8562
8563 int
8564 register_ulp_info (struct socket *so, void *ulp_info)
8565 {
8566 struct sctp_inpcb *inp;
8567
8568 inp = (struct sctp_inpcb *) so->so_pcb;
8569 if (inp == NULL) {
8570 return (0);
8571 }
8572 SCTP_INP_WLOCK(inp);
8573 inp->ulp_info = ulp_info;
8574 SCTP_INP_WUNLOCK(inp);
8575 return (1);
8576 }
8577 #endif
8578