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__) 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 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 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 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 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
