1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <netinet/sctp_os.h> 36 #include <sys/proc.h> 37 #include <netinet/sctp_pcb.h> 38 #include <netinet/sctp_header.h> 39 #include <netinet/sctp_var.h> 40 #ifdef INET6 41 #include <netinet6/sctp6_var.h> 42 #endif 43 #include <netinet/sctp_sysctl.h> 44 #include <netinet/sctp_output.h> 45 #include <netinet/sctp_uio.h> 46 #include <netinet/sctp_asconf.h> 47 #include <netinet/sctputil.h> 48 #include <netinet/sctp_indata.h> 49 #include <netinet/sctp_timer.h> 50 #include <netinet/sctp_auth.h> 51 #include <netinet/sctp_bsd_addr.h> 52 #include <netinet/udp.h> 53 #include <sys/eventhandler.h> 54 55 extern const struct sctp_cc_functions sctp_cc_functions[]; 56 extern const struct sctp_ss_functions sctp_ss_functions[]; 57 58 static void 59 sctp_init(void *arg SCTP_UNUSED) 60 { 61 u_long sb_max_adj; 62 63 /* Initialize and modify the sysctled variables */ 64 sctp_init_sysctls(); 65 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 66 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 67 /* 68 * Allow a user to take no more than 1/2 the number of clusters or 69 * the SB_MAX, whichever is smaller, for the send window. 70 */ 71 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 72 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 73 (((uint32_t)nmbclusters / 2) * MCLBYTES)); 74 /* 75 * Now for the recv window, should we take the same amount? or 76 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 77 * now I will just copy. 78 */ 79 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 80 SCTP_BASE_VAR(first_time) = 0; 81 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 82 sctp_pcb_init(); 83 #if defined(SCTP_PACKET_LOGGING) 84 SCTP_BASE_VAR(packet_log_writers) = 0; 85 SCTP_BASE_VAR(packet_log_end) = 0; 86 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 87 #endif 88 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, 89 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); 90 } 91 92 VNET_SYSINIT(sctp_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_THIRD, sctp_init, NULL); 93 94 #ifdef VIMAGE 95 static void 96 sctp_finish(void *unused __unused) 97 { 98 EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag)); 99 sctp_pcb_finish(); 100 } 101 102 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 103 #endif 104 105 void 106 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint32_t mtu, bool resend) 107 { 108 struct sctp_association *asoc; 109 struct sctp_tmit_chunk *chk; 110 uint32_t overhead; 111 112 asoc = &stcb->asoc; 113 KASSERT(mtu < asoc->smallest_mtu, 114 ("Currently only reducing association MTU %u supported (MTU %u)", 115 asoc->smallest_mtu, mtu)); 116 asoc->smallest_mtu = mtu; 117 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 118 overhead = SCTP_MIN_OVERHEAD; 119 } else { 120 overhead = SCTP_MIN_V4_OVERHEAD; 121 } 122 if (asoc->idata_supported) { 123 if (sctp_auth_is_required_chunk(SCTP_IDATA, asoc->peer_auth_chunks)) { 124 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 125 } 126 } else { 127 if (sctp_auth_is_required_chunk(SCTP_DATA, asoc->peer_auth_chunks)) { 128 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 129 } 130 } 131 KASSERT(overhead % 4 == 0, 132 ("overhead (%u) not a multiple of 4", overhead)); 133 TAILQ_FOREACH(chk, &asoc->send_queue, sctp_next) { 134 if (((uint32_t)chk->send_size + overhead) > mtu) { 135 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 136 } 137 } 138 TAILQ_FOREACH(chk, &asoc->sent_queue, sctp_next) { 139 if (((uint32_t)chk->send_size + overhead) > mtu) { 140 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 141 if (resend && chk->sent < SCTP_DATAGRAM_RESEND) { 142 /* 143 * If requested, mark the chunk for 144 * immediate resend, since we sent it being 145 * too big. 146 */ 147 sctp_flight_size_decrease(chk); 148 sctp_total_flight_decrease(stcb, chk); 149 chk->sent = SCTP_DATAGRAM_RESEND; 150 sctp_ucount_incr(asoc->sent_queue_retran_cnt); 151 chk->rec.data.doing_fast_retransmit = 0; 152 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 153 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 154 chk->whoTo->flight_size, 155 chk->book_size, 156 (uint32_t)(uintptr_t)chk->whoTo, 157 chk->rec.data.tsn); 158 } 159 /* Clear any time, so NO RTT is being done. */ 160 if (chk->do_rtt == 1) { 161 chk->do_rtt = 0; 162 chk->whoTo->rto_needed = 1; 163 } 164 } 165 } 166 } 167 } 168 169 #ifdef INET 170 void 171 sctp_notify(struct sctp_inpcb *inp, 172 struct sctp_tcb *stcb, 173 struct sctp_nets *net, 174 uint8_t icmp_type, 175 uint8_t icmp_code, 176 uint16_t ip_len, 177 uint32_t next_mtu) 178 { 179 int timer_stopped; 180 181 if (icmp_type != ICMP_UNREACH) { 182 /* We only care about unreachable */ 183 SCTP_TCB_UNLOCK(stcb); 184 return; 185 } 186 if ((icmp_code == ICMP_UNREACH_NET) || 187 (icmp_code == ICMP_UNREACH_HOST) || 188 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 189 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 190 (icmp_code == ICMP_UNREACH_ISOLATED) || 191 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 192 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 193 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 194 /* Mark the net unreachable. */ 195 if (net->dest_state & SCTP_ADDR_REACHABLE) { 196 /* OK, that destination is NOT reachable. */ 197 net->dest_state &= ~SCTP_ADDR_REACHABLE; 198 net->dest_state &= ~SCTP_ADDR_PF; 199 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 200 stcb, 0, 201 (void *)net, SCTP_SO_NOT_LOCKED); 202 } 203 SCTP_TCB_UNLOCK(stcb); 204 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 205 (icmp_code == ICMP_UNREACH_PORT)) { 206 /* Treat it like an ABORT. */ 207 sctp_abort_notification(stcb, true, false, 0, NULL, SCTP_SO_NOT_LOCKED); 208 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 209 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 210 /* no need to unlock here, since the TCB is gone */ 211 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 212 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 213 SCTP_TCB_UNLOCK(stcb); 214 return; 215 } 216 /* Find the next (smaller) MTU */ 217 if (next_mtu == 0) { 218 /* 219 * Old type router that does not tell us what the 220 * next MTU is. Rats we will have to guess (in a 221 * educated fashion of course). 222 */ 223 next_mtu = sctp_get_prev_mtu(ip_len); 224 } 225 /* Stop the PMTU timer. */ 226 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 227 timer_stopped = 1; 228 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 229 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 230 } else { 231 timer_stopped = 0; 232 } 233 /* Update the path MTU. */ 234 if (net->port) { 235 next_mtu -= sizeof(struct udphdr); 236 } 237 if (net->mtu > next_mtu) { 238 net->mtu = next_mtu; 239 if (net->port) { 240 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 241 } else { 242 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 243 } 244 } 245 /* Update the association MTU */ 246 if (stcb->asoc.smallest_mtu > next_mtu) { 247 sctp_pathmtu_adjustment(stcb, next_mtu, true); 248 } 249 /* Finally, start the PMTU timer if it was running before. */ 250 if (timer_stopped) { 251 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 252 } 253 SCTP_TCB_UNLOCK(stcb); 254 } else { 255 SCTP_TCB_UNLOCK(stcb); 256 } 257 } 258 259 void 260 sctp_ctlinput(struct icmp *icmp) 261 { 262 struct ip *inner_ip, *outer_ip; 263 struct sctphdr *sh; 264 struct sctp_inpcb *inp; 265 struct sctp_tcb *stcb; 266 struct sctp_nets *net; 267 struct sctp_init_chunk *ch; 268 struct sockaddr_in src, dst; 269 270 if (icmp_errmap(icmp) == 0) 271 return; 272 273 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 274 inner_ip = &icmp->icmp_ip; 275 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 276 memset(&src, 0, sizeof(struct sockaddr_in)); 277 src.sin_family = AF_INET; 278 src.sin_len = sizeof(struct sockaddr_in); 279 src.sin_port = sh->src_port; 280 src.sin_addr = inner_ip->ip_src; 281 memset(&dst, 0, sizeof(struct sockaddr_in)); 282 dst.sin_family = AF_INET; 283 dst.sin_len = sizeof(struct sockaddr_in); 284 dst.sin_port = sh->dest_port; 285 dst.sin_addr = inner_ip->ip_dst; 286 /* 287 * 'dst' holds the dest of the packet that failed to be sent. 'src' 288 * holds our local endpoint address. Thus we reverse the dst and the 289 * src in the lookup. 290 */ 291 inp = NULL; 292 net = NULL; 293 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 294 (struct sockaddr *)&src, 295 &inp, &net, 1, 296 SCTP_DEFAULT_VRFID); 297 if ((stcb != NULL) && 298 (net != NULL) && 299 (inp != NULL)) { 300 /* Check the verification tag */ 301 if (ntohl(sh->v_tag) != 0) { 302 /* 303 * This must be the verification tag used for 304 * sending out packets. We don't consider packets 305 * reflecting the verification tag. 306 */ 307 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 308 SCTP_TCB_UNLOCK(stcb); 309 return; 310 } 311 } else { 312 if (ntohs(outer_ip->ip_len) >= 313 sizeof(struct ip) + 314 8 + (inner_ip->ip_hl << 2) + 20) { 315 /* 316 * In this case we can check if we got an 317 * INIT chunk and if the initiate tag 318 * matches. 319 */ 320 ch = (struct sctp_init_chunk *)(sh + 1); 321 if ((ch->ch.chunk_type != SCTP_INITIATION) || 322 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 323 SCTP_TCB_UNLOCK(stcb); 324 return; 325 } 326 } else { 327 SCTP_TCB_UNLOCK(stcb); 328 return; 329 } 330 } 331 sctp_notify(inp, stcb, net, 332 icmp->icmp_type, 333 icmp->icmp_code, 334 ntohs(inner_ip->ip_len), 335 (uint32_t)ntohs(icmp->icmp_nextmtu)); 336 } else { 337 if ((stcb == NULL) && (inp != NULL)) { 338 /* reduce ref-count */ 339 SCTP_INP_WLOCK(inp); 340 SCTP_INP_DECR_REF(inp); 341 SCTP_INP_WUNLOCK(inp); 342 } 343 if (stcb) { 344 SCTP_TCB_UNLOCK(stcb); 345 } 346 } 347 } 348 #endif 349 350 static int 351 sctp_getcred(SYSCTL_HANDLER_ARGS) 352 { 353 struct xucred xuc; 354 struct sockaddr_in addrs[2]; 355 struct sctp_inpcb *inp; 356 struct sctp_nets *net; 357 struct sctp_tcb *stcb; 358 int error; 359 uint32_t vrf_id; 360 361 /* FIX, for non-bsd is this right? */ 362 vrf_id = SCTP_DEFAULT_VRFID; 363 364 error = priv_check(req->td, PRIV_NETINET_GETCRED); 365 366 if (error) 367 return (error); 368 369 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 370 if (error) 371 return (error); 372 373 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 374 sintosa(&addrs[0]), 375 &inp, &net, 1, vrf_id); 376 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 377 if ((inp != NULL) && (stcb == NULL)) { 378 /* reduce ref-count */ 379 SCTP_INP_WLOCK(inp); 380 SCTP_INP_DECR_REF(inp); 381 goto cred_can_cont; 382 } 383 384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 385 error = ENOENT; 386 goto out; 387 } 388 SCTP_TCB_UNLOCK(stcb); 389 /* 390 * We use the write lock here, only since in the error leg we need 391 * it. If we used RLOCK, then we would have to 392 * wlock/decr/unlock/rlock. Which in theory could create a hole. 393 * Better to use higher wlock. 394 */ 395 SCTP_INP_WLOCK(inp); 396 cred_can_cont: 397 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 398 if (error) { 399 SCTP_INP_WUNLOCK(inp); 400 goto out; 401 } 402 cru2x(inp->sctp_socket->so_cred, &xuc); 403 SCTP_INP_WUNLOCK(inp); 404 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 405 out: 406 return (error); 407 } 408 409 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 410 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 411 0, 0, sctp_getcred, "S,ucred", 412 "Get the ucred of a SCTP connection"); 413 414 void 415 sctp_abort(struct socket *so) 416 { 417 struct epoch_tracker et; 418 struct sctp_inpcb *inp; 419 420 inp = (struct sctp_inpcb *)so->so_pcb; 421 if (inp == NULL) { 422 return; 423 } 424 425 SCTP_INP_WLOCK(inp); 426 NET_EPOCH_ENTER(et); 427 #ifdef SCTP_LOG_CLOSING 428 sctp_log_closing(inp, NULL, 17); 429 #endif 430 if (((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0)) { 431 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 432 #ifdef SCTP_LOG_CLOSING 433 sctp_log_closing(inp, NULL, 16); 434 #endif 435 SCTP_INP_WUNLOCK(inp); 436 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 437 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 438 SOCK_LOCK(so); 439 KASSERT(!SOLISTENING(so), 440 ("sctp_abort: called on listening socket %p", so)); 441 SCTP_SB_CLEAR(so->so_snd); 442 SCTP_SB_CLEAR(so->so_rcv); 443 /* Now null out the reference, we are completely detached. */ 444 so->so_pcb = NULL; 445 SOCK_UNLOCK(so); 446 } else { 447 SCTP_INP_WUNLOCK(inp); 448 } 449 NET_EPOCH_EXIT(et); 450 } 451 452 #ifdef INET 453 static int 454 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 455 { 456 struct sctp_inpcb *inp; 457 struct inpcb *ip_inp; 458 int error; 459 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 460 461 inp = (struct sctp_inpcb *)so->so_pcb; 462 if (inp != NULL) { 463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 464 return (EINVAL); 465 } 466 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 467 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 468 if (error) { 469 return (error); 470 } 471 } 472 error = sctp_inpcb_alloc(so, vrf_id); 473 if (error) { 474 return (error); 475 } 476 inp = (struct sctp_inpcb *)so->so_pcb; 477 SCTP_INP_WLOCK(inp); 478 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 479 ip_inp = &inp->ip_inp.inp; 480 ip_inp->inp_vflag |= INP_IPV4; 481 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 482 SCTP_INP_WUNLOCK(inp); 483 return (0); 484 } 485 486 static int 487 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 488 { 489 struct sctp_inpcb *inp; 490 491 inp = (struct sctp_inpcb *)so->so_pcb; 492 if (inp == NULL) { 493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 494 return (EINVAL); 495 } 496 if (addr != NULL) { 497 if ((addr->sa_family != AF_INET) || 498 (addr->sa_len != sizeof(struct sockaddr_in))) { 499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 500 return (EINVAL); 501 } 502 } 503 return (sctp_inpcb_bind(so, addr, NULL, p)); 504 } 505 506 #endif 507 void 508 sctp_close(struct socket *so) 509 { 510 struct epoch_tracker et; 511 struct sctp_inpcb *inp; 512 513 inp = (struct sctp_inpcb *)so->so_pcb; 514 if (inp == NULL) 515 return; 516 517 /* 518 * Inform all the lower layer assoc that we are done. 519 */ 520 SCTP_INP_WLOCK(inp); 521 NET_EPOCH_ENTER(et); 522 #ifdef SCTP_LOG_CLOSING 523 sctp_log_closing(inp, NULL, 17); 524 #endif 525 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 526 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 527 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 528 (SCTP_SBAVAIL(&so->so_rcv) > 0)) { 529 #ifdef SCTP_LOG_CLOSING 530 sctp_log_closing(inp, NULL, 13); 531 #endif 532 SCTP_INP_WUNLOCK(inp); 533 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 534 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 535 } else { 536 #ifdef SCTP_LOG_CLOSING 537 sctp_log_closing(inp, NULL, 14); 538 #endif 539 SCTP_INP_WUNLOCK(inp); 540 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 541 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 542 } 543 /* 544 * The socket is now detached, no matter what the state of 545 * the SCTP association. 546 */ 547 SOCK_LOCK(so); 548 if (!SOLISTENING(so)) { 549 SCTP_SB_CLEAR(so->so_snd); 550 SCTP_SB_CLEAR(so->so_rcv); 551 } 552 /* Now null out the reference, we are completely detached. */ 553 so->so_pcb = NULL; 554 SOCK_UNLOCK(so); 555 } else { 556 SCTP_INP_WUNLOCK(inp); 557 } 558 NET_EPOCH_EXIT(et); 559 } 560 561 int 562 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 563 struct mbuf *control, struct thread *p); 564 565 int 566 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 567 struct mbuf *control, struct thread *p) 568 { 569 struct sctp_inpcb *inp; 570 int error; 571 572 inp = (struct sctp_inpcb *)so->so_pcb; 573 if (inp == NULL) { 574 if (control) { 575 sctp_m_freem(control); 576 control = NULL; 577 } 578 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 579 sctp_m_freem(m); 580 return (EINVAL); 581 } 582 /* Got to have an to address if we are NOT a connected socket */ 583 if ((addr == NULL) && 584 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 585 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 586 goto connected_type; 587 } 588 589 error = 0; 590 if (addr == NULL) { 591 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 592 error = EDESTADDRREQ; 593 } else if (addr->sa_family != AF_INET) { 594 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 595 error = EAFNOSUPPORT; 596 } else if (addr->sa_len != sizeof(struct sockaddr_in)) { 597 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 598 error = EINVAL; 599 } 600 if (error != 0) { 601 sctp_m_freem(m); 602 if (control) { 603 sctp_m_freem(control); 604 control = NULL; 605 } 606 return (error); 607 } 608 connected_type: 609 /* now what about control */ 610 if (control) { 611 if (inp->control) { 612 sctp_m_freem(inp->control); 613 inp->control = NULL; 614 } 615 inp->control = control; 616 } 617 /* Place the data */ 618 if (inp->pkt) { 619 SCTP_BUF_NEXT(inp->pkt_last) = m; 620 inp->pkt_last = m; 621 } else { 622 inp->pkt_last = inp->pkt = m; 623 } 624 if ( 625 /* FreeBSD uses a flag passed */ 626 ((flags & PRUS_MORETOCOME) == 0) 627 ) { 628 /* 629 * note with the current version this code will only be used 630 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 631 * re-defining sosend to use the sctp_sosend. One can 632 * optionally switch back to this code (by changing back the 633 * definitions) but this is not advisable. This code is used 634 * by FreeBSD when sending a file with sendfile() though. 635 */ 636 struct epoch_tracker et; 637 int ret; 638 639 NET_EPOCH_ENTER(et); 640 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 641 NET_EPOCH_EXIT(et); 642 inp->pkt = NULL; 643 inp->control = NULL; 644 return (ret); 645 } else { 646 return (0); 647 } 648 } 649 650 int 651 sctp_disconnect(struct socket *so) 652 { 653 struct epoch_tracker et; 654 struct sctp_inpcb *inp; 655 struct sctp_association *asoc; 656 struct sctp_tcb *stcb; 657 658 inp = (struct sctp_inpcb *)so->so_pcb; 659 if (inp == NULL) { 660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 661 return (ENOTCONN); 662 } 663 SCTP_INP_RLOCK(inp); 664 KASSERT(inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE || 665 inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL, 666 ("Not a one-to-one style socket")); 667 stcb = LIST_FIRST(&inp->sctp_asoc_list); 668 if (stcb == NULL) { 669 SCTP_INP_RUNLOCK(inp); 670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 671 return (ENOTCONN); 672 } 673 SCTP_TCB_LOCK(stcb); 674 asoc = &stcb->asoc; 675 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 676 /* We are about to be freed, out of here */ 677 SCTP_TCB_UNLOCK(stcb); 678 SCTP_INP_RUNLOCK(inp); 679 return (0); 680 } 681 NET_EPOCH_ENTER(et); 682 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 683 (SCTP_SBAVAIL(&so->so_rcv) > 0)) { 684 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 685 /* Left with Data unread */ 686 struct mbuf *op_err; 687 688 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 689 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 690 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 691 } 692 SCTP_INP_RUNLOCK(inp); 693 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 694 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 695 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 696 } 697 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 698 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 699 /* No unlock tcb assoc is gone */ 700 NET_EPOCH_EXIT(et); 701 return (0); 702 } 703 if (TAILQ_EMPTY(&asoc->send_queue) && 704 TAILQ_EMPTY(&asoc->sent_queue) && 705 (asoc->stream_queue_cnt == 0)) { 706 /* there is nothing queued to send, so done */ 707 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 708 goto abort_anyway; 709 } 710 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 711 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 712 /* only send SHUTDOWN 1st time thru */ 713 struct sctp_nets *netp; 714 715 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 716 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 717 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 718 } 719 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 720 sctp_stop_timers_for_shutdown(stcb); 721 if (stcb->asoc.alternate) { 722 netp = stcb->asoc.alternate; 723 } else { 724 netp = stcb->asoc.primary_destination; 725 } 726 sctp_send_shutdown(stcb, netp); 727 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 728 stcb->sctp_ep, stcb, netp); 729 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 730 stcb->sctp_ep, stcb, NULL); 731 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 732 } 733 } else { 734 /* 735 * we still got (or just got) data to send, so set 736 * SHUTDOWN_PENDING 737 */ 738 /* 739 * XXX sockets draft says that SCTP_EOF should be sent with 740 * no data. currently, we will allow user data to be sent 741 * first and move to SHUTDOWN-PENDING 742 */ 743 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 744 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 745 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 746 } 747 if (TAILQ_EMPTY(&asoc->send_queue) && 748 TAILQ_EMPTY(&asoc->sent_queue) && 749 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 750 struct mbuf *op_err; 751 752 abort_anyway: 753 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 754 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 755 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 756 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 757 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 758 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 759 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 760 } 761 SCTP_INP_RUNLOCK(inp); 762 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 763 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 764 NET_EPOCH_EXIT(et); 765 return (0); 766 } else { 767 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 768 } 769 } 770 soisdisconnecting(so); 771 NET_EPOCH_EXIT(et); 772 SCTP_TCB_UNLOCK(stcb); 773 SCTP_INP_RUNLOCK(inp); 774 return (0); 775 } 776 777 int 778 sctp_flush(struct socket *so, int how) 779 { 780 /* 781 * We will just clear out the values and let subsequent close clear 782 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 783 * they will not be able to read the data, the socket will block 784 * that from happening. 785 */ 786 struct sctp_inpcb *inp; 787 788 inp = (struct sctp_inpcb *)so->so_pcb; 789 if (inp == NULL) { 790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 791 return (EINVAL); 792 } 793 SCTP_INP_RLOCK(inp); 794 /* For the 1 to many model this does nothing */ 795 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 796 SCTP_INP_RUNLOCK(inp); 797 return (0); 798 } 799 SCTP_INP_RUNLOCK(inp); 800 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 801 /* 802 * First make sure the sb will be happy, we don't use these 803 * except maybe the count 804 */ 805 SCTP_INP_WLOCK(inp); 806 SCTP_INP_READ_LOCK(inp); 807 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 808 SCTP_INP_READ_UNLOCK(inp); 809 SCTP_INP_WUNLOCK(inp); 810 SOCK_LOCK(so); 811 KASSERT(!SOLISTENING(so), 812 ("sctp_flush: called on listening socket %p", so)); 813 SCTP_SB_CLEAR(so->so_rcv); 814 SOCK_UNLOCK(so); 815 } 816 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 817 /* 818 * First make sure the sb will be happy, we don't use these 819 * except maybe the count 820 */ 821 SOCK_LOCK(so); 822 KASSERT(!SOLISTENING(so), 823 ("sctp_flush: called on listening socket %p", so)); 824 SOCK_UNLOCK(so); 825 } 826 return (0); 827 } 828 829 int 830 sctp_shutdown(struct socket *so) 831 { 832 struct sctp_inpcb *inp; 833 834 inp = (struct sctp_inpcb *)so->so_pcb; 835 if (inp == NULL) { 836 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 837 return (EINVAL); 838 } 839 SCTP_INP_RLOCK(inp); 840 /* For UDP model this is a invalid call */ 841 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 842 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 843 /* Restore the flags that the soshutdown took away. */ 844 SOCKBUF_LOCK(&so->so_rcv); 845 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 846 SOCKBUF_UNLOCK(&so->so_rcv); 847 /* This proc will wakeup for read and do nothing (I hope) */ 848 SCTP_INP_RUNLOCK(inp); 849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 850 return (EOPNOTSUPP); 851 } else { 852 /* 853 * Ok, if we reach here its the TCP model and it is either a 854 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 855 * against it. 856 */ 857 struct epoch_tracker et; 858 struct sctp_tcb *stcb; 859 struct sctp_association *asoc; 860 struct sctp_nets *netp; 861 862 if ((so->so_state & 863 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 864 SCTP_INP_RUNLOCK(inp); 865 return (ENOTCONN); 866 } 867 socantsendmore(so); 868 869 stcb = LIST_FIRST(&inp->sctp_asoc_list); 870 if (stcb == NULL) { 871 /* 872 * Ok, we hit the case that the shutdown call was 873 * made after an abort or something. Nothing to do 874 * now. 875 */ 876 SCTP_INP_RUNLOCK(inp); 877 return (0); 878 } 879 SCTP_TCB_LOCK(stcb); 880 asoc = &stcb->asoc; 881 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 882 SCTP_TCB_UNLOCK(stcb); 883 SCTP_INP_RUNLOCK(inp); 884 return (0); 885 } 886 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 887 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 888 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 889 /* 890 * If we are not in or before ESTABLISHED, there is 891 * no protocol action required. 892 */ 893 SCTP_TCB_UNLOCK(stcb); 894 SCTP_INP_RUNLOCK(inp); 895 return (0); 896 } 897 NET_EPOCH_ENTER(et); 898 if (stcb->asoc.alternate) { 899 netp = stcb->asoc.alternate; 900 } else { 901 netp = stcb->asoc.primary_destination; 902 } 903 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 904 TAILQ_EMPTY(&asoc->send_queue) && 905 TAILQ_EMPTY(&asoc->sent_queue) && 906 (asoc->stream_queue_cnt == 0)) { 907 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 908 goto abort_anyway; 909 } 910 /* there is nothing queued to send, so I'm done... */ 911 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 912 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 913 sctp_stop_timers_for_shutdown(stcb); 914 sctp_send_shutdown(stcb, netp); 915 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 916 stcb->sctp_ep, stcb, netp); 917 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 918 stcb->sctp_ep, stcb, NULL); 919 } else { 920 /* 921 * We still got (or just got) data to send, so set 922 * SHUTDOWN_PENDING. 923 */ 924 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 925 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 926 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 927 } 928 if (TAILQ_EMPTY(&asoc->send_queue) && 929 TAILQ_EMPTY(&asoc->sent_queue) && 930 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 931 struct mbuf *op_err; 932 933 abort_anyway: 934 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 935 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 936 SCTP_INP_RUNLOCK(inp); 937 sctp_abort_an_association(stcb->sctp_ep, stcb, 938 op_err, false, SCTP_SO_LOCKED); 939 NET_EPOCH_EXIT(et); 940 return (0); 941 } 942 } 943 /* 944 * XXX: Why do this in the case where we have still data 945 * queued? 946 */ 947 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 948 SCTP_TCB_UNLOCK(stcb); 949 SCTP_INP_RUNLOCK(inp); 950 NET_EPOCH_EXIT(et); 951 return (0); 952 } 953 } 954 955 /* 956 * copies a "user" presentable address and removes embedded scope, etc. 957 * returns 0 on success, 1 on error 958 */ 959 static uint32_t 960 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 961 { 962 #ifdef INET6 963 struct sockaddr_in6 lsa6; 964 965 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 966 &lsa6); 967 #endif 968 memcpy(dst, src, src->sa_len); 969 return (0); 970 } 971 972 static size_t 973 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 974 struct sctp_tcb *stcb, 975 size_t limit, 976 struct sockaddr *addr, 977 uint32_t vrf_id) 978 { 979 struct sctp_ifn *sctp_ifn; 980 struct sctp_ifa *sctp_ifa; 981 size_t actual; 982 int loopback_scope; 983 #if defined(INET) 984 int ipv4_local_scope, ipv4_addr_legal; 985 #endif 986 #if defined(INET6) 987 int local_scope, site_scope, ipv6_addr_legal; 988 #endif 989 struct sctp_vrf *vrf; 990 991 SCTP_IPI_ADDR_LOCK_ASSERT(); 992 actual = 0; 993 if (limit == 0) 994 return (actual); 995 996 if (stcb) { 997 /* Turn on all the appropriate scope */ 998 loopback_scope = stcb->asoc.scope.loopback_scope; 999 #if defined(INET) 1000 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1001 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1002 #endif 1003 #if defined(INET6) 1004 local_scope = stcb->asoc.scope.local_scope; 1005 site_scope = stcb->asoc.scope.site_scope; 1006 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1007 #endif 1008 } else { 1009 /* Use generic values for endpoints. */ 1010 loopback_scope = 1; 1011 #if defined(INET) 1012 ipv4_local_scope = 1; 1013 #endif 1014 #if defined(INET6) 1015 local_scope = 1; 1016 site_scope = 1; 1017 #endif 1018 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1019 #if defined(INET6) 1020 ipv6_addr_legal = 1; 1021 #endif 1022 #if defined(INET) 1023 if (SCTP_IPV6_V6ONLY(inp)) { 1024 ipv4_addr_legal = 0; 1025 } else { 1026 ipv4_addr_legal = 1; 1027 } 1028 #endif 1029 } else { 1030 #if defined(INET6) 1031 ipv6_addr_legal = 0; 1032 #endif 1033 #if defined(INET) 1034 ipv4_addr_legal = 1; 1035 #endif 1036 } 1037 } 1038 vrf = sctp_find_vrf(vrf_id); 1039 if (vrf == NULL) { 1040 return (0); 1041 } 1042 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1043 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1044 if ((loopback_scope == 0) && 1045 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1046 /* Skip loopback if loopback_scope not set */ 1047 continue; 1048 } 1049 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1050 if (stcb) { 1051 /* 1052 * For the BOUND-ALL case, the list 1053 * associated with a TCB is Always 1054 * considered a reverse list.. i.e. 1055 * it lists addresses that are NOT 1056 * part of the association. If this 1057 * is one of those we must skip it. 1058 */ 1059 if (sctp_is_addr_restricted(stcb, 1060 sctp_ifa)) { 1061 continue; 1062 } 1063 } 1064 switch (sctp_ifa->address.sa.sa_family) { 1065 #ifdef INET 1066 case AF_INET: 1067 if (ipv4_addr_legal) { 1068 struct sockaddr_in *sin; 1069 1070 sin = &sctp_ifa->address.sin; 1071 if (sin->sin_addr.s_addr == 0) { 1072 /* 1073 * we skip 1074 * unspecified 1075 * addresses 1076 */ 1077 continue; 1078 } 1079 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1080 &sin->sin_addr) != 0) { 1081 continue; 1082 } 1083 if ((ipv4_local_scope == 0) && 1084 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1085 continue; 1086 } 1087 #ifdef INET6 1088 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1089 if (actual + sizeof(struct sockaddr_in6) > limit) { 1090 return (actual); 1091 } 1092 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr); 1093 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1094 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1095 actual += sizeof(struct sockaddr_in6); 1096 } else { 1097 #endif 1098 if (actual + sizeof(struct sockaddr_in) > limit) { 1099 return (actual); 1100 } 1101 memcpy(addr, sin, sizeof(struct sockaddr_in)); 1102 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1103 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); 1104 actual += sizeof(struct sockaddr_in); 1105 #ifdef INET6 1106 } 1107 #endif 1108 } else { 1109 continue; 1110 } 1111 break; 1112 #endif 1113 #ifdef INET6 1114 case AF_INET6: 1115 if (ipv6_addr_legal) { 1116 struct sockaddr_in6 *sin6; 1117 1118 sin6 = &sctp_ifa->address.sin6; 1119 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1120 /* 1121 * we skip 1122 * unspecified 1123 * addresses 1124 */ 1125 continue; 1126 } 1127 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1128 &sin6->sin6_addr) != 0) { 1129 continue; 1130 } 1131 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1132 if (local_scope == 0) 1133 continue; 1134 if (sin6->sin6_scope_id == 0) { 1135 if (sa6_recoverscope(sin6) != 0) 1136 /* 1137 * 1138 * bad 1139 * link 1140 * 1141 * local 1142 * 1143 * address 1144 */ 1145 continue; 1146 } 1147 } 1148 if ((site_scope == 0) && 1149 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1150 continue; 1151 } 1152 if (actual + sizeof(struct sockaddr_in6) > limit) { 1153 return (actual); 1154 } 1155 memcpy(addr, sin6, sizeof(struct sockaddr_in6)); 1156 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1157 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1158 actual += sizeof(struct sockaddr_in6); 1159 } else { 1160 continue; 1161 } 1162 break; 1163 #endif 1164 default: 1165 /* TSNH */ 1166 break; 1167 } 1168 } 1169 } 1170 } else { 1171 struct sctp_laddr *laddr; 1172 size_t sa_len; 1173 1174 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1175 if (stcb) { 1176 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1177 continue; 1178 } 1179 } 1180 sa_len = laddr->ifa->address.sa.sa_len; 1181 if (actual + sa_len > limit) { 1182 return (actual); 1183 } 1184 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) 1185 continue; 1186 switch (laddr->ifa->address.sa.sa_family) { 1187 #ifdef INET 1188 case AF_INET: 1189 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1190 break; 1191 #endif 1192 #ifdef INET6 1193 case AF_INET6: 1194 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1195 break; 1196 #endif 1197 default: 1198 /* TSNH */ 1199 break; 1200 } 1201 addr = (struct sockaddr *)((caddr_t)addr + sa_len); 1202 actual += sa_len; 1203 } 1204 } 1205 return (actual); 1206 } 1207 1208 static size_t 1209 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1210 struct sctp_tcb *stcb, 1211 size_t limit, 1212 struct sockaddr *addr) 1213 { 1214 size_t size; 1215 1216 SCTP_IPI_ADDR_RLOCK(); 1217 /* fill up addresses for the endpoint's default vrf */ 1218 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, 1219 inp->def_vrf_id); 1220 SCTP_IPI_ADDR_RUNLOCK(); 1221 return (size); 1222 } 1223 1224 static size_t 1225 sctp_max_size_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1226 { 1227 struct sctp_vrf *vrf; 1228 size_t size; 1229 1230 /* 1231 * In both sub-set bound an bound_all cases we return the size of 1232 * the maximum number of addresses that you could get. In reality 1233 * the sub-set bound may have an exclusion list for a given TCB or 1234 * in the bound-all case a TCB may NOT include the loopback or other 1235 * addresses as well. 1236 */ 1237 SCTP_IPI_ADDR_LOCK_ASSERT(); 1238 vrf = sctp_find_vrf(vrf_id); 1239 if (vrf == NULL) { 1240 return (0); 1241 } 1242 size = 0; 1243 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1244 struct sctp_ifn *sctp_ifn; 1245 struct sctp_ifa *sctp_ifa; 1246 1247 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1248 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1249 /* Count them if they are the right type */ 1250 switch (sctp_ifa->address.sa.sa_family) { 1251 #ifdef INET 1252 case AF_INET: 1253 #ifdef INET6 1254 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1255 size += sizeof(struct sockaddr_in6); 1256 else 1257 size += sizeof(struct sockaddr_in); 1258 #else 1259 size += sizeof(struct sockaddr_in); 1260 #endif 1261 break; 1262 #endif 1263 #ifdef INET6 1264 case AF_INET6: 1265 size += sizeof(struct sockaddr_in6); 1266 break; 1267 #endif 1268 default: 1269 break; 1270 } 1271 } 1272 } 1273 } else { 1274 struct sctp_laddr *laddr; 1275 1276 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1277 switch (laddr->ifa->address.sa.sa_family) { 1278 #ifdef INET 1279 case AF_INET: 1280 #ifdef INET6 1281 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1282 size += sizeof(struct sockaddr_in6); 1283 else 1284 size += sizeof(struct sockaddr_in); 1285 #else 1286 size += sizeof(struct sockaddr_in); 1287 #endif 1288 break; 1289 #endif 1290 #ifdef INET6 1291 case AF_INET6: 1292 size += sizeof(struct sockaddr_in6); 1293 break; 1294 #endif 1295 default: 1296 break; 1297 } 1298 } 1299 } 1300 return (size); 1301 } 1302 1303 static size_t 1304 sctp_max_size_addresses(struct sctp_inpcb *inp) 1305 { 1306 size_t size; 1307 1308 SCTP_IPI_ADDR_RLOCK(); 1309 /* Maximum size of all addresses for the endpoint's default VRF */ 1310 size = sctp_max_size_addresses_vrf(inp, inp->def_vrf_id); 1311 SCTP_IPI_ADDR_RUNLOCK(); 1312 return (size); 1313 } 1314 1315 static int 1316 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1317 size_t optsize, void *p, int delay) 1318 { 1319 int error; 1320 int creat_lock_on = 0; 1321 struct sctp_tcb *stcb = NULL; 1322 struct sockaddr *sa; 1323 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1324 uint32_t vrf_id; 1325 sctp_assoc_t *a_id; 1326 1327 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1328 1329 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1330 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1331 /* We are already connected AND the TCP model */ 1332 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1333 return (EADDRINUSE); 1334 } 1335 1336 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1337 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1338 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1339 return (EINVAL); 1340 } 1341 1342 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1343 SCTP_INP_RLOCK(inp); 1344 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1345 SCTP_INP_RUNLOCK(inp); 1346 } 1347 if (stcb) { 1348 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1349 return (EALREADY); 1350 } 1351 SCTP_INP_INCR_REF(inp); 1352 SCTP_ASOC_CREATE_LOCK(inp); 1353 creat_lock_on = 1; 1354 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1355 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1356 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1357 error = EFAULT; 1358 goto out_now; 1359 } 1360 totaddrp = (unsigned int *)optval; 1361 totaddr = *totaddrp; 1362 sa = (struct sockaddr *)(totaddrp + 1); 1363 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1364 if (error != 0) { 1365 /* Already have or am bring up an association */ 1366 SCTP_ASOC_CREATE_UNLOCK(inp); 1367 creat_lock_on = 0; 1368 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1369 goto out_now; 1370 } 1371 #ifdef INET6 1372 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1373 (num_v6 > 0)) { 1374 error = EINVAL; 1375 goto out_now; 1376 } 1377 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1378 (num_v4 > 0)) { 1379 if (SCTP_IPV6_V6ONLY(inp)) { 1380 /* 1381 * if IPV6_V6ONLY flag, ignore connections destined 1382 * to a v4 addr or v4-mapped addr 1383 */ 1384 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1385 error = EINVAL; 1386 goto out_now; 1387 } 1388 } 1389 #endif /* INET6 */ 1390 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 1391 /* Bind a ephemeral port */ 1392 error = sctp_inpcb_bind(so, NULL, NULL, p); 1393 if (error) { 1394 goto out_now; 1395 } 1396 } 1397 1398 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1399 vrf_id = inp->def_vrf_id; 1400 1401 /* We are GOOD to go */ 1402 stcb = sctp_aloc_assoc_connected(inp, sa, &error, 0, 0, vrf_id, 1403 inp->sctp_ep.pre_open_stream_count, 1404 inp->sctp_ep.port, 1405 (struct thread *)p, 1406 SCTP_INITIALIZE_AUTH_PARAMS); 1407 if (stcb == NULL) { 1408 /* Gak! no memory */ 1409 goto out_now; 1410 } 1411 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1412 /* move to second address */ 1413 switch (sa->sa_family) { 1414 #ifdef INET 1415 case AF_INET: 1416 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1417 break; 1418 #endif 1419 #ifdef INET6 1420 case AF_INET6: 1421 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1422 break; 1423 #endif 1424 default: 1425 break; 1426 } 1427 1428 error = 0; 1429 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1430 /* Fill in the return id */ 1431 if (error) { 1432 goto out_now; 1433 } 1434 a_id = (sctp_assoc_t *)optval; 1435 *a_id = sctp_get_associd(stcb); 1436 1437 if (delay) { 1438 /* doing delayed connection */ 1439 stcb->asoc.delayed_connection = 1; 1440 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1441 } else { 1442 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1443 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1444 } 1445 SCTP_TCB_UNLOCK(stcb); 1446 out_now: 1447 if (creat_lock_on) { 1448 SCTP_ASOC_CREATE_UNLOCK(inp); 1449 } 1450 SCTP_INP_DECR_REF(inp); 1451 return (error); 1452 } 1453 1454 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1455 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1456 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1457 SCTP_INP_RLOCK(inp); \ 1458 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1459 if (stcb) { \ 1460 SCTP_TCB_LOCK(stcb); \ 1461 } \ 1462 SCTP_INP_RUNLOCK(inp); \ 1463 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1464 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1465 if (stcb == NULL) { \ 1466 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1467 error = ENOENT; \ 1468 break; \ 1469 } \ 1470 } else { \ 1471 stcb = NULL; \ 1472 } \ 1473 } 1474 1475 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1476 if (size < sizeof(type)) { \ 1477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1478 error = EINVAL; \ 1479 break; \ 1480 } else { \ 1481 destp = (type *)srcp; \ 1482 } \ 1483 } 1484 1485 static int 1486 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1487 void *p) 1488 { 1489 struct sctp_inpcb *inp = NULL; 1490 int error, val = 0; 1491 struct sctp_tcb *stcb = NULL; 1492 1493 if (optval == NULL) { 1494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1495 return (EINVAL); 1496 } 1497 1498 inp = (struct sctp_inpcb *)so->so_pcb; 1499 if (inp == NULL) { 1500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1501 return EINVAL; 1502 } 1503 error = 0; 1504 1505 switch (optname) { 1506 case SCTP_NODELAY: 1507 case SCTP_AUTOCLOSE: 1508 case SCTP_EXPLICIT_EOR: 1509 case SCTP_AUTO_ASCONF: 1510 case SCTP_DISABLE_FRAGMENTS: 1511 case SCTP_I_WANT_MAPPED_V4_ADDR: 1512 case SCTP_USE_EXT_RCVINFO: 1513 SCTP_INP_RLOCK(inp); 1514 switch (optname) { 1515 case SCTP_DISABLE_FRAGMENTS: 1516 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1517 break; 1518 case SCTP_I_WANT_MAPPED_V4_ADDR: 1519 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1520 break; 1521 case SCTP_AUTO_ASCONF: 1522 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1523 /* only valid for bound all sockets */ 1524 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1525 } else { 1526 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1527 error = EINVAL; 1528 goto flags_out; 1529 } 1530 break; 1531 case SCTP_EXPLICIT_EOR: 1532 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1533 break; 1534 case SCTP_NODELAY: 1535 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1536 break; 1537 case SCTP_USE_EXT_RCVINFO: 1538 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1539 break; 1540 case SCTP_AUTOCLOSE: 1541 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1542 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1543 else 1544 val = 0; 1545 break; 1546 1547 default: 1548 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1549 error = ENOPROTOOPT; 1550 } /* end switch (sopt->sopt_name) */ 1551 if (*optsize < sizeof(val)) { 1552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1553 error = EINVAL; 1554 } 1555 flags_out: 1556 SCTP_INP_RUNLOCK(inp); 1557 if (error == 0) { 1558 /* return the option value */ 1559 *(int *)optval = val; 1560 *optsize = sizeof(val); 1561 } 1562 break; 1563 case SCTP_GET_PACKET_LOG: 1564 { 1565 #ifdef SCTP_PACKET_LOGGING 1566 uint8_t *target; 1567 int ret; 1568 1569 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1570 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1571 *optsize = ret; 1572 #else 1573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1574 error = EOPNOTSUPP; 1575 #endif 1576 break; 1577 } 1578 case SCTP_REUSE_PORT: 1579 { 1580 uint32_t *value; 1581 1582 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1583 /* Can't do this for a 1-m socket */ 1584 error = EINVAL; 1585 break; 1586 } 1587 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1588 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1589 *optsize = sizeof(uint32_t); 1590 break; 1591 } 1592 case SCTP_PARTIAL_DELIVERY_POINT: 1593 { 1594 uint32_t *value; 1595 1596 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1597 *value = inp->partial_delivery_point; 1598 *optsize = sizeof(uint32_t); 1599 break; 1600 } 1601 case SCTP_FRAGMENT_INTERLEAVE: 1602 { 1603 uint32_t *value; 1604 1605 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1606 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1607 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1608 *value = SCTP_FRAG_LEVEL_2; 1609 } else { 1610 *value = SCTP_FRAG_LEVEL_1; 1611 } 1612 } else { 1613 *value = SCTP_FRAG_LEVEL_0; 1614 } 1615 *optsize = sizeof(uint32_t); 1616 break; 1617 } 1618 case SCTP_INTERLEAVING_SUPPORTED: 1619 { 1620 struct sctp_assoc_value *av; 1621 1622 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1623 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1624 1625 if (stcb) { 1626 av->assoc_value = stcb->asoc.idata_supported; 1627 SCTP_TCB_UNLOCK(stcb); 1628 } else { 1629 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1630 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1631 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1632 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1633 SCTP_INP_RLOCK(inp); 1634 if (inp->idata_supported) { 1635 av->assoc_value = 1; 1636 } else { 1637 av->assoc_value = 0; 1638 } 1639 SCTP_INP_RUNLOCK(inp); 1640 } else { 1641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1642 error = EINVAL; 1643 } 1644 } 1645 if (error == 0) { 1646 *optsize = sizeof(struct sctp_assoc_value); 1647 } 1648 break; 1649 } 1650 case SCTP_CMT_ON_OFF: 1651 { 1652 struct sctp_assoc_value *av; 1653 1654 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1655 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1656 if (stcb) { 1657 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1658 SCTP_TCB_UNLOCK(stcb); 1659 } else { 1660 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1661 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1662 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1663 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1664 SCTP_INP_RLOCK(inp); 1665 av->assoc_value = inp->sctp_cmt_on_off; 1666 SCTP_INP_RUNLOCK(inp); 1667 } else { 1668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1669 error = EINVAL; 1670 } 1671 } 1672 if (error == 0) { 1673 *optsize = sizeof(struct sctp_assoc_value); 1674 } 1675 break; 1676 } 1677 case SCTP_PLUGGABLE_CC: 1678 { 1679 struct sctp_assoc_value *av; 1680 1681 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1682 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1683 if (stcb) { 1684 av->assoc_value = stcb->asoc.congestion_control_module; 1685 SCTP_TCB_UNLOCK(stcb); 1686 } else { 1687 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1688 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1689 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1690 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1691 SCTP_INP_RLOCK(inp); 1692 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1693 SCTP_INP_RUNLOCK(inp); 1694 } else { 1695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1696 error = EINVAL; 1697 } 1698 } 1699 if (error == 0) { 1700 *optsize = sizeof(struct sctp_assoc_value); 1701 } 1702 break; 1703 } 1704 case SCTP_CC_OPTION: 1705 { 1706 struct sctp_cc_option *cc_opt; 1707 1708 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1709 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1710 if (stcb == NULL) { 1711 error = EINVAL; 1712 } else { 1713 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1714 error = ENOTSUP; 1715 } else { 1716 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1717 *optsize = sizeof(struct sctp_cc_option); 1718 } 1719 SCTP_TCB_UNLOCK(stcb); 1720 } 1721 break; 1722 } 1723 case SCTP_STREAM_SCHEDULER: 1724 { 1725 struct sctp_assoc_value *av; 1726 1727 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1728 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1729 if (stcb) { 1730 av->assoc_value = stcb->asoc.stream_scheduling_module; 1731 SCTP_TCB_UNLOCK(stcb); 1732 } else { 1733 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1734 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1735 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1736 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1737 SCTP_INP_RLOCK(inp); 1738 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1739 SCTP_INP_RUNLOCK(inp); 1740 } else { 1741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1742 error = EINVAL; 1743 } 1744 } 1745 if (error == 0) { 1746 *optsize = sizeof(struct sctp_assoc_value); 1747 } 1748 break; 1749 } 1750 case SCTP_STREAM_SCHEDULER_VALUE: 1751 { 1752 struct sctp_stream_value *av; 1753 1754 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1755 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1756 if (stcb) { 1757 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1758 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1759 &av->stream_value) < 0)) { 1760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1761 error = EINVAL; 1762 } else { 1763 *optsize = sizeof(struct sctp_stream_value); 1764 } 1765 SCTP_TCB_UNLOCK(stcb); 1766 } else { 1767 /* 1768 * Can't get stream value without 1769 * association 1770 */ 1771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1772 error = EINVAL; 1773 } 1774 break; 1775 } 1776 case SCTP_GET_ADDR_LEN: 1777 { 1778 struct sctp_assoc_value *av; 1779 1780 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1781 error = EINVAL; 1782 #ifdef INET 1783 if (av->assoc_value == AF_INET) { 1784 av->assoc_value = sizeof(struct sockaddr_in); 1785 error = 0; 1786 } 1787 #endif 1788 #ifdef INET6 1789 if (av->assoc_value == AF_INET6) { 1790 av->assoc_value = sizeof(struct sockaddr_in6); 1791 error = 0; 1792 } 1793 #endif 1794 if (error) { 1795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1796 } else { 1797 *optsize = sizeof(struct sctp_assoc_value); 1798 } 1799 break; 1800 } 1801 case SCTP_GET_ASSOC_NUMBER: 1802 { 1803 uint32_t *value, cnt; 1804 1805 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1806 SCTP_INP_RLOCK(inp); 1807 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1808 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1809 /* Can't do this for a 1-1 socket */ 1810 error = EINVAL; 1811 SCTP_INP_RUNLOCK(inp); 1812 break; 1813 } 1814 cnt = 0; 1815 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1816 cnt++; 1817 } 1818 SCTP_INP_RUNLOCK(inp); 1819 *value = cnt; 1820 *optsize = sizeof(uint32_t); 1821 break; 1822 } 1823 case SCTP_GET_ASSOC_ID_LIST: 1824 { 1825 struct sctp_assoc_ids *ids; 1826 uint32_t at; 1827 size_t limit; 1828 1829 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1830 SCTP_INP_RLOCK(inp); 1831 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1832 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1833 /* Can't do this for a 1-1 socket */ 1834 error = EINVAL; 1835 SCTP_INP_RUNLOCK(inp); 1836 break; 1837 } 1838 at = 0; 1839 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1840 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1841 if (at < limit) { 1842 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1843 if (at == 0) { 1844 error = EINVAL; 1845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1846 break; 1847 } 1848 } else { 1849 error = EINVAL; 1850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1851 break; 1852 } 1853 } 1854 SCTP_INP_RUNLOCK(inp); 1855 if (error == 0) { 1856 ids->gaids_number_of_ids = at; 1857 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1858 } 1859 break; 1860 } 1861 case SCTP_CONTEXT: 1862 { 1863 struct sctp_assoc_value *av; 1864 1865 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1866 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1867 1868 if (stcb) { 1869 av->assoc_value = stcb->asoc.context; 1870 SCTP_TCB_UNLOCK(stcb); 1871 } else { 1872 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1873 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1874 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1875 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1876 SCTP_INP_RLOCK(inp); 1877 av->assoc_value = inp->sctp_context; 1878 SCTP_INP_RUNLOCK(inp); 1879 } else { 1880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1881 error = EINVAL; 1882 } 1883 } 1884 if (error == 0) { 1885 *optsize = sizeof(struct sctp_assoc_value); 1886 } 1887 break; 1888 } 1889 case SCTP_VRF_ID: 1890 { 1891 uint32_t *default_vrfid; 1892 1893 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1894 *default_vrfid = inp->def_vrf_id; 1895 *optsize = sizeof(uint32_t); 1896 break; 1897 } 1898 case SCTP_GET_ASOC_VRF: 1899 { 1900 struct sctp_assoc_value *id; 1901 1902 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1903 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1904 if (stcb == NULL) { 1905 error = EINVAL; 1906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1907 } else { 1908 id->assoc_value = stcb->asoc.vrf_id; 1909 SCTP_TCB_UNLOCK(stcb); 1910 *optsize = sizeof(struct sctp_assoc_value); 1911 } 1912 break; 1913 } 1914 case SCTP_GET_VRF_IDS: 1915 { 1916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1917 error = EOPNOTSUPP; 1918 break; 1919 } 1920 case SCTP_GET_NONCE_VALUES: 1921 { 1922 struct sctp_get_nonce_values *gnv; 1923 1924 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1925 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1926 1927 if (stcb) { 1928 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1929 gnv->gn_local_tag = stcb->asoc.my_vtag; 1930 SCTP_TCB_UNLOCK(stcb); 1931 *optsize = sizeof(struct sctp_get_nonce_values); 1932 } else { 1933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1934 error = ENOTCONN; 1935 } 1936 break; 1937 } 1938 case SCTP_DELAYED_SACK: 1939 { 1940 struct sctp_sack_info *sack; 1941 1942 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1943 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1944 if (stcb) { 1945 sack->sack_delay = stcb->asoc.delayed_ack; 1946 sack->sack_freq = stcb->asoc.sack_freq; 1947 SCTP_TCB_UNLOCK(stcb); 1948 } else { 1949 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1950 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1951 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1952 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1953 SCTP_INP_RLOCK(inp); 1954 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1955 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1956 SCTP_INP_RUNLOCK(inp); 1957 } else { 1958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1959 error = EINVAL; 1960 } 1961 } 1962 if (error == 0) { 1963 *optsize = sizeof(struct sctp_sack_info); 1964 } 1965 break; 1966 } 1967 case SCTP_GET_SNDBUF_USE: 1968 { 1969 struct sctp_sockstat *ss; 1970 1971 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 1972 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 1973 1974 if (stcb) { 1975 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 1976 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 1977 stcb->asoc.size_on_all_streams); 1978 SCTP_TCB_UNLOCK(stcb); 1979 *optsize = sizeof(struct sctp_sockstat); 1980 } else { 1981 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1982 error = ENOTCONN; 1983 } 1984 break; 1985 } 1986 case SCTP_MAX_BURST: 1987 { 1988 struct sctp_assoc_value *av; 1989 1990 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1991 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1992 1993 if (stcb) { 1994 av->assoc_value = stcb->asoc.max_burst; 1995 SCTP_TCB_UNLOCK(stcb); 1996 } else { 1997 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1998 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1999 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2000 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2001 SCTP_INP_RLOCK(inp); 2002 av->assoc_value = inp->sctp_ep.max_burst; 2003 SCTP_INP_RUNLOCK(inp); 2004 } else { 2005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2006 error = EINVAL; 2007 } 2008 } 2009 if (error == 0) { 2010 *optsize = sizeof(struct sctp_assoc_value); 2011 } 2012 break; 2013 } 2014 case SCTP_MAXSEG: 2015 { 2016 struct sctp_assoc_value *av; 2017 2018 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2019 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2020 2021 if (stcb) { 2022 av->assoc_value = stcb->asoc.sctp_frag_point; 2023 SCTP_TCB_UNLOCK(stcb); 2024 } else { 2025 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2026 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2027 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2028 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2029 SCTP_INP_RLOCK(inp); 2030 av->assoc_value = inp->sctp_frag_point; 2031 SCTP_INP_RUNLOCK(inp); 2032 } else { 2033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2034 error = EINVAL; 2035 } 2036 } 2037 if (error == 0) { 2038 *optsize = sizeof(struct sctp_assoc_value); 2039 } 2040 break; 2041 } 2042 case SCTP_GET_STAT_LOG: 2043 error = sctp_fill_stat_log(optval, optsize); 2044 break; 2045 case SCTP_EVENTS: 2046 { 2047 struct sctp_event_subscribe *events; 2048 2049 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2050 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2051 SCTP_INP_RLOCK(inp); 2052 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2053 events->sctp_data_io_event = 1; 2054 2055 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2056 events->sctp_association_event = 1; 2057 2058 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2059 events->sctp_address_event = 1; 2060 2061 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2062 events->sctp_send_failure_event = 1; 2063 2064 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2065 events->sctp_peer_error_event = 1; 2066 2067 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2068 events->sctp_shutdown_event = 1; 2069 2070 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2071 events->sctp_partial_delivery_event = 1; 2072 2073 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2074 events->sctp_adaptation_layer_event = 1; 2075 2076 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2077 events->sctp_authentication_event = 1; 2078 2079 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2080 events->sctp_sender_dry_event = 1; 2081 2082 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2083 events->sctp_stream_reset_event = 1; 2084 SCTP_INP_RUNLOCK(inp); 2085 *optsize = sizeof(struct sctp_event_subscribe); 2086 break; 2087 } 2088 case SCTP_ADAPTATION_LAYER: 2089 { 2090 uint32_t *value; 2091 2092 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2093 2094 SCTP_INP_RLOCK(inp); 2095 *value = inp->sctp_ep.adaptation_layer_indicator; 2096 SCTP_INP_RUNLOCK(inp); 2097 *optsize = sizeof(uint32_t); 2098 break; 2099 } 2100 case SCTP_SET_INITIAL_DBG_SEQ: 2101 { 2102 uint32_t *value; 2103 2104 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2105 SCTP_INP_RLOCK(inp); 2106 *value = inp->sctp_ep.initial_sequence_debug; 2107 SCTP_INP_RUNLOCK(inp); 2108 *optsize = sizeof(uint32_t); 2109 break; 2110 } 2111 case SCTP_GET_LOCAL_ADDR_SIZE: 2112 { 2113 uint32_t *value; 2114 2115 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2116 SCTP_INP_RLOCK(inp); 2117 *value = (uint32_t)sctp_max_size_addresses(inp); 2118 SCTP_INP_RUNLOCK(inp); 2119 *optsize = sizeof(uint32_t); 2120 break; 2121 } 2122 case SCTP_GET_REMOTE_ADDR_SIZE: 2123 { 2124 uint32_t *value; 2125 struct sctp_nets *net; 2126 size_t size; 2127 2128 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2129 /* FIXME MT: change to sctp_assoc_value? */ 2130 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2131 2132 if (stcb != NULL) { 2133 size = 0; 2134 /* Count the sizes */ 2135 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2136 switch (net->ro._l_addr.sa.sa_family) { 2137 #ifdef INET 2138 case AF_INET: 2139 #ifdef INET6 2140 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2141 size += sizeof(struct sockaddr_in6); 2142 } else { 2143 size += sizeof(struct sockaddr_in); 2144 } 2145 #else 2146 size += sizeof(struct sockaddr_in); 2147 #endif 2148 break; 2149 #endif 2150 #ifdef INET6 2151 case AF_INET6: 2152 size += sizeof(struct sockaddr_in6); 2153 break; 2154 #endif 2155 default: 2156 break; 2157 } 2158 } 2159 SCTP_TCB_UNLOCK(stcb); 2160 *value = (uint32_t)size; 2161 *optsize = sizeof(uint32_t); 2162 } else { 2163 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2164 ((sctp_assoc_t)*value <= SCTP_ALL_ASSOC)) { 2165 error = EINVAL; 2166 } else { 2167 error = ENOENT; 2168 } 2169 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2170 } 2171 break; 2172 } 2173 case SCTP_GET_PEER_ADDRESSES: 2174 /* 2175 * Get the address information, an array is passed in to 2176 * fill up we pack it. 2177 */ 2178 { 2179 size_t cpsz, left; 2180 struct sockaddr *addr; 2181 struct sctp_nets *net; 2182 struct sctp_getaddresses *saddr; 2183 2184 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2185 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2186 2187 if (stcb != NULL) { 2188 left = *optsize - offsetof(struct sctp_getaddresses, addr); 2189 *optsize = offsetof(struct sctp_getaddresses, addr); 2190 addr = &saddr->addr[0].sa; 2191 2192 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2193 switch (net->ro._l_addr.sa.sa_family) { 2194 #ifdef INET 2195 case AF_INET: 2196 #ifdef INET6 2197 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2198 cpsz = sizeof(struct sockaddr_in6); 2199 } else { 2200 cpsz = sizeof(struct sockaddr_in); 2201 } 2202 #else 2203 cpsz = sizeof(struct sockaddr_in); 2204 #endif 2205 break; 2206 #endif 2207 #ifdef INET6 2208 case AF_INET6: 2209 cpsz = sizeof(struct sockaddr_in6); 2210 break; 2211 #endif 2212 default: 2213 cpsz = 0; 2214 break; 2215 } 2216 if (cpsz == 0) { 2217 break; 2218 } 2219 if (left < cpsz) { 2220 /* not enough room. */ 2221 break; 2222 } 2223 #if defined(INET) && defined(INET6) 2224 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2225 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2226 /* Must map the address */ 2227 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2228 (struct sockaddr_in6 *)addr); 2229 } else { 2230 memcpy(addr, &net->ro._l_addr, cpsz); 2231 } 2232 #else 2233 memcpy(addr, &net->ro._l_addr, cpsz); 2234 #endif 2235 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2236 2237 addr = (struct sockaddr *)((caddr_t)addr + cpsz); 2238 left -= cpsz; 2239 *optsize += cpsz; 2240 } 2241 SCTP_TCB_UNLOCK(stcb); 2242 } else { 2243 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2244 (saddr->sget_assoc_id <= SCTP_ALL_ASSOC)) { 2245 error = EINVAL; 2246 } else { 2247 error = ENOENT; 2248 } 2249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2250 } 2251 break; 2252 } 2253 case SCTP_GET_LOCAL_ADDRESSES: 2254 { 2255 size_t limit, actual; 2256 struct sctp_getaddresses *saddr; 2257 2258 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2259 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2260 2261 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2262 ((saddr->sget_assoc_id == SCTP_CURRENT_ASSOC) || 2263 (saddr->sget_assoc_id == SCTP_ALL_ASSOC))) { 2264 error = EINVAL; 2265 } else { 2266 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2267 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2268 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2269 } 2270 if (stcb != NULL) { 2271 SCTP_TCB_UNLOCK(stcb); 2272 } 2273 break; 2274 } 2275 case SCTP_PEER_ADDR_PARAMS: 2276 { 2277 struct sctp_paddrparams *paddrp; 2278 struct sctp_nets *net; 2279 struct sockaddr *addr; 2280 #if defined(INET) && defined(INET6) 2281 struct sockaddr_in sin_store; 2282 #endif 2283 2284 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2285 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2286 2287 #if defined(INET) && defined(INET6) 2288 if (paddrp->spp_address.ss_family == AF_INET6) { 2289 struct sockaddr_in6 *sin6; 2290 2291 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2292 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2293 in6_sin6_2_sin(&sin_store, sin6); 2294 addr = (struct sockaddr *)&sin_store; 2295 } else { 2296 addr = (struct sockaddr *)&paddrp->spp_address; 2297 } 2298 } else { 2299 addr = (struct sockaddr *)&paddrp->spp_address; 2300 } 2301 #else 2302 addr = (struct sockaddr *)&paddrp->spp_address; 2303 #endif 2304 if (stcb != NULL) { 2305 net = sctp_findnet(stcb, addr); 2306 } else { 2307 /* 2308 * We increment here since 2309 * sctp_findassociation_ep_addr() wil do a 2310 * decrement if it finds the stcb as long as 2311 * the locked tcb (last argument) is NOT a 2312 * TCB.. aka NULL. 2313 */ 2314 net = NULL; 2315 SCTP_INP_INCR_REF(inp); 2316 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2317 if (stcb == NULL) { 2318 SCTP_INP_DECR_REF(inp); 2319 } 2320 } 2321 if ((stcb != NULL) && (net == NULL)) { 2322 #ifdef INET 2323 if (addr->sa_family == AF_INET) { 2324 struct sockaddr_in *sin; 2325 2326 sin = (struct sockaddr_in *)addr; 2327 if (sin->sin_addr.s_addr != INADDR_ANY) { 2328 error = EINVAL; 2329 SCTP_TCB_UNLOCK(stcb); 2330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2331 break; 2332 } 2333 } else 2334 #endif 2335 #ifdef INET6 2336 if (addr->sa_family == AF_INET6) { 2337 struct sockaddr_in6 *sin6; 2338 2339 sin6 = (struct sockaddr_in6 *)addr; 2340 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2341 error = EINVAL; 2342 SCTP_TCB_UNLOCK(stcb); 2343 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2344 break; 2345 } 2346 } else 2347 #endif 2348 { 2349 error = EAFNOSUPPORT; 2350 SCTP_TCB_UNLOCK(stcb); 2351 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2352 break; 2353 } 2354 } 2355 2356 if (stcb != NULL) { 2357 /* Applies to the specific association */ 2358 paddrp->spp_flags = 0; 2359 if (net != NULL) { 2360 paddrp->spp_hbinterval = net->heart_beat_delay; 2361 paddrp->spp_pathmaxrxt = net->failure_threshold; 2362 paddrp->spp_pathmtu = net->mtu; 2363 switch (net->ro._l_addr.sa.sa_family) { 2364 #ifdef INET 2365 case AF_INET: 2366 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2367 break; 2368 #endif 2369 #ifdef INET6 2370 case AF_INET6: 2371 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2372 break; 2373 #endif 2374 default: 2375 break; 2376 } 2377 /* get flags for HB */ 2378 if (net->dest_state & SCTP_ADDR_NOHB) { 2379 paddrp->spp_flags |= SPP_HB_DISABLE; 2380 } else { 2381 paddrp->spp_flags |= SPP_HB_ENABLE; 2382 } 2383 /* get flags for PMTU */ 2384 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2385 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2386 } else { 2387 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2388 } 2389 if (net->dscp & 0x01) { 2390 paddrp->spp_dscp = net->dscp & 0xfc; 2391 paddrp->spp_flags |= SPP_DSCP; 2392 } 2393 #ifdef INET6 2394 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2395 (net->flowlabel & 0x80000000)) { 2396 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2397 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2398 } 2399 #endif 2400 } else { 2401 /* 2402 * No destination so return default 2403 * value 2404 */ 2405 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2406 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2407 if (stcb->asoc.default_dscp & 0x01) { 2408 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2409 paddrp->spp_flags |= SPP_DSCP; 2410 } 2411 #ifdef INET6 2412 if (stcb->asoc.default_flowlabel & 0x80000000) { 2413 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2414 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2415 } 2416 #endif 2417 /* default settings should be these */ 2418 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2419 paddrp->spp_flags |= SPP_HB_DISABLE; 2420 } else { 2421 paddrp->spp_flags |= SPP_HB_ENABLE; 2422 } 2423 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2424 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2425 } else { 2426 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2427 } 2428 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2429 } 2430 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2431 SCTP_TCB_UNLOCK(stcb); 2432 } else { 2433 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2434 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2435 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2436 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2437 /* Use endpoint defaults */ 2438 SCTP_INP_RLOCK(inp); 2439 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2440 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2441 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2442 /* get inp's default */ 2443 if (inp->sctp_ep.default_dscp & 0x01) { 2444 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2445 paddrp->spp_flags |= SPP_DSCP; 2446 } 2447 #ifdef INET6 2448 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2449 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2450 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2451 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2452 } 2453 #endif 2454 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2455 2456 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2457 paddrp->spp_flags |= SPP_HB_ENABLE; 2458 } else { 2459 paddrp->spp_flags |= SPP_HB_DISABLE; 2460 } 2461 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2462 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2463 } else { 2464 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2465 } 2466 SCTP_INP_RUNLOCK(inp); 2467 } else { 2468 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2469 error = EINVAL; 2470 } 2471 } 2472 if (error == 0) { 2473 *optsize = sizeof(struct sctp_paddrparams); 2474 } 2475 break; 2476 } 2477 case SCTP_GET_PEER_ADDR_INFO: 2478 { 2479 struct sctp_paddrinfo *paddri; 2480 struct sctp_nets *net; 2481 struct sockaddr *addr; 2482 #if defined(INET) && defined(INET6) 2483 struct sockaddr_in sin_store; 2484 #endif 2485 2486 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2487 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2488 2489 #if defined(INET) && defined(INET6) 2490 if (paddri->spinfo_address.ss_family == AF_INET6) { 2491 struct sockaddr_in6 *sin6; 2492 2493 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2494 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2495 in6_sin6_2_sin(&sin_store, sin6); 2496 addr = (struct sockaddr *)&sin_store; 2497 } else { 2498 addr = (struct sockaddr *)&paddri->spinfo_address; 2499 } 2500 } else { 2501 addr = (struct sockaddr *)&paddri->spinfo_address; 2502 } 2503 #else 2504 addr = (struct sockaddr *)&paddri->spinfo_address; 2505 #endif 2506 if (stcb != NULL) { 2507 net = sctp_findnet(stcb, addr); 2508 } else { 2509 /* 2510 * We increment here since 2511 * sctp_findassociation_ep_addr() wil do a 2512 * decrement if it finds the stcb as long as 2513 * the locked tcb (last argument) is NOT a 2514 * TCB.. aka NULL. 2515 */ 2516 net = NULL; 2517 SCTP_INP_INCR_REF(inp); 2518 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2519 if (stcb == NULL) { 2520 SCTP_INP_DECR_REF(inp); 2521 } 2522 } 2523 2524 if ((stcb != NULL) && (net != NULL)) { 2525 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2526 /* It's unconfirmed */ 2527 paddri->spinfo_state = SCTP_UNCONFIRMED; 2528 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2529 /* It's active */ 2530 paddri->spinfo_state = SCTP_ACTIVE; 2531 } else { 2532 /* It's inactive */ 2533 paddri->spinfo_state = SCTP_INACTIVE; 2534 } 2535 paddri->spinfo_cwnd = net->cwnd; 2536 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2537 paddri->spinfo_rto = net->RTO; 2538 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2539 paddri->spinfo_mtu = net->mtu; 2540 switch (addr->sa_family) { 2541 #if defined(INET) 2542 case AF_INET: 2543 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2544 break; 2545 #endif 2546 #if defined(INET6) 2547 case AF_INET6: 2548 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2549 break; 2550 #endif 2551 default: 2552 break; 2553 } 2554 SCTP_TCB_UNLOCK(stcb); 2555 *optsize = sizeof(struct sctp_paddrinfo); 2556 } else { 2557 if (stcb != NULL) { 2558 SCTP_TCB_UNLOCK(stcb); 2559 } 2560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2561 error = ENOENT; 2562 } 2563 break; 2564 } 2565 case SCTP_PCB_STATUS: 2566 { 2567 struct sctp_pcbinfo *spcb; 2568 2569 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2570 sctp_fill_pcbinfo(spcb); 2571 *optsize = sizeof(struct sctp_pcbinfo); 2572 break; 2573 } 2574 case SCTP_STATUS: 2575 { 2576 struct sctp_nets *net; 2577 struct sctp_status *sstat; 2578 2579 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2580 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2581 2582 if (stcb == NULL) { 2583 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2584 error = EINVAL; 2585 break; 2586 } 2587 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2588 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2589 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2590 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2591 /* 2592 * We can't include chunks that have been passed to 2593 * the socket layer. Only things in queue. 2594 */ 2595 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2596 stcb->asoc.cnt_on_all_streams); 2597 sstat->sstat_instrms = stcb->asoc.streamincnt; 2598 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2599 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb); 2600 net = stcb->asoc.primary_destination; 2601 if (net != NULL) { 2602 memcpy(&sstat->sstat_primary.spinfo_address, 2603 &net->ro._l_addr, 2604 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2605 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2606 /* 2607 * Again the user can get info from 2608 * sctp_constants.h for what the state of 2609 * the network is. 2610 */ 2611 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2612 /* It's unconfirmed */ 2613 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2614 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2615 /* It's active */ 2616 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2617 } else { 2618 /* It's inactive */ 2619 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2620 } 2621 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2622 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2623 sstat->sstat_primary.spinfo_rto = net->RTO; 2624 sstat->sstat_primary.spinfo_mtu = net->mtu; 2625 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2626 #if defined(INET) 2627 case AF_INET: 2628 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2629 break; 2630 #endif 2631 #if defined(INET6) 2632 case AF_INET6: 2633 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2634 break; 2635 #endif 2636 default: 2637 break; 2638 } 2639 } else { 2640 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2641 } 2642 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2643 SCTP_TCB_UNLOCK(stcb); 2644 *optsize = sizeof(struct sctp_status); 2645 break; 2646 } 2647 case SCTP_RTOINFO: 2648 { 2649 struct sctp_rtoinfo *srto; 2650 2651 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2652 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2653 2654 if (stcb) { 2655 srto->srto_initial = stcb->asoc.initial_rto; 2656 srto->srto_max = stcb->asoc.maxrto; 2657 srto->srto_min = stcb->asoc.minrto; 2658 SCTP_TCB_UNLOCK(stcb); 2659 } else { 2660 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2661 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2662 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2663 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2664 SCTP_INP_RLOCK(inp); 2665 srto->srto_initial = inp->sctp_ep.initial_rto; 2666 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2667 srto->srto_min = inp->sctp_ep.sctp_minrto; 2668 SCTP_INP_RUNLOCK(inp); 2669 } else { 2670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2671 error = EINVAL; 2672 } 2673 } 2674 if (error == 0) { 2675 *optsize = sizeof(struct sctp_rtoinfo); 2676 } 2677 break; 2678 } 2679 case SCTP_TIMEOUTS: 2680 { 2681 struct sctp_timeouts *stimo; 2682 2683 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2684 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2685 2686 if (stcb) { 2687 stimo->stimo_init = stcb->asoc.timoinit; 2688 stimo->stimo_data = stcb->asoc.timodata; 2689 stimo->stimo_sack = stcb->asoc.timosack; 2690 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2691 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2692 stimo->stimo_cookie = stcb->asoc.timocookie; 2693 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2694 SCTP_TCB_UNLOCK(stcb); 2695 *optsize = sizeof(struct sctp_timeouts); 2696 } else { 2697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2698 error = EINVAL; 2699 } 2700 break; 2701 } 2702 case SCTP_ASSOCINFO: 2703 { 2704 struct sctp_assocparams *sasoc; 2705 2706 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2707 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2708 2709 if (stcb) { 2710 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2711 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2712 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2713 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2714 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2715 SCTP_TCB_UNLOCK(stcb); 2716 } else { 2717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2718 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2719 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2720 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2721 SCTP_INP_RLOCK(inp); 2722 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2723 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2724 sasoc->sasoc_number_peer_destinations = 0; 2725 sasoc->sasoc_peer_rwnd = 0; 2726 sasoc->sasoc_local_rwnd = (uint32_t)sbspace(&inp->sctp_socket->so_rcv); 2727 SCTP_INP_RUNLOCK(inp); 2728 } else { 2729 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2730 error = EINVAL; 2731 } 2732 } 2733 if (error == 0) { 2734 *optsize = sizeof(struct sctp_assocparams); 2735 } 2736 break; 2737 } 2738 case SCTP_DEFAULT_SEND_PARAM: 2739 { 2740 struct sctp_sndrcvinfo *s_info; 2741 2742 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2743 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2744 2745 if (stcb) { 2746 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2747 SCTP_TCB_UNLOCK(stcb); 2748 } else { 2749 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2750 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2751 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2752 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2753 SCTP_INP_RLOCK(inp); 2754 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2755 SCTP_INP_RUNLOCK(inp); 2756 } else { 2757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2758 error = EINVAL; 2759 } 2760 } 2761 if (error == 0) { 2762 *optsize = sizeof(struct sctp_sndrcvinfo); 2763 } 2764 break; 2765 } 2766 case SCTP_INITMSG: 2767 { 2768 struct sctp_initmsg *sinit; 2769 2770 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2771 SCTP_INP_RLOCK(inp); 2772 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2773 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2774 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2775 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2776 SCTP_INP_RUNLOCK(inp); 2777 *optsize = sizeof(struct sctp_initmsg); 2778 break; 2779 } 2780 case SCTP_PRIMARY_ADDR: 2781 /* we allow a "get" operation on this */ 2782 { 2783 struct sctp_setprim *ssp; 2784 2785 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2786 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2787 2788 if (stcb) { 2789 union sctp_sockstore *addr; 2790 2791 addr = &stcb->asoc.primary_destination->ro._l_addr; 2792 switch (addr->sa.sa_family) { 2793 #ifdef INET 2794 case AF_INET: 2795 #ifdef INET6 2796 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2797 in6_sin_2_v4mapsin6(&addr->sin, 2798 (struct sockaddr_in6 *)&ssp->ssp_addr); 2799 } else { 2800 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2801 } 2802 #else 2803 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2804 #endif 2805 break; 2806 #endif 2807 #ifdef INET6 2808 case AF_INET6: 2809 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2810 break; 2811 #endif 2812 default: 2813 break; 2814 } 2815 SCTP_TCB_UNLOCK(stcb); 2816 *optsize = sizeof(struct sctp_setprim); 2817 } else { 2818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2819 error = EINVAL; 2820 } 2821 break; 2822 } 2823 case SCTP_HMAC_IDENT: 2824 { 2825 struct sctp_hmacalgo *shmac; 2826 sctp_hmaclist_t *hmaclist; 2827 size_t size; 2828 int i; 2829 2830 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2831 2832 SCTP_INP_RLOCK(inp); 2833 hmaclist = inp->sctp_ep.local_hmacs; 2834 if (hmaclist == NULL) { 2835 /* no HMACs to return */ 2836 *optsize = sizeof(*shmac); 2837 SCTP_INP_RUNLOCK(inp); 2838 break; 2839 } 2840 /* is there room for all of the hmac ids? */ 2841 size = sizeof(*shmac) + (hmaclist->num_algo * 2842 sizeof(shmac->shmac_idents[0])); 2843 if (*optsize < size) { 2844 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2845 error = EINVAL; 2846 SCTP_INP_RUNLOCK(inp); 2847 break; 2848 } 2849 /* copy in the list */ 2850 shmac->shmac_number_of_idents = hmaclist->num_algo; 2851 for (i = 0; i < hmaclist->num_algo; i++) { 2852 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2853 } 2854 SCTP_INP_RUNLOCK(inp); 2855 *optsize = size; 2856 break; 2857 } 2858 case SCTP_AUTH_ACTIVE_KEY: 2859 { 2860 struct sctp_authkeyid *scact; 2861 2862 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2863 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2864 2865 if (stcb) { 2866 /* get the active key on the assoc */ 2867 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2868 SCTP_TCB_UNLOCK(stcb); 2869 } else { 2870 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2871 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2872 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2873 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2874 /* get the endpoint active key */ 2875 SCTP_INP_RLOCK(inp); 2876 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2877 SCTP_INP_RUNLOCK(inp); 2878 } else { 2879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2880 error = EINVAL; 2881 } 2882 } 2883 if (error == 0) { 2884 *optsize = sizeof(struct sctp_authkeyid); 2885 } 2886 break; 2887 } 2888 case SCTP_LOCAL_AUTH_CHUNKS: 2889 { 2890 struct sctp_authchunks *sac; 2891 sctp_auth_chklist_t *chklist = NULL; 2892 size_t size = 0; 2893 2894 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2895 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2896 2897 if (stcb) { 2898 /* get off the assoc */ 2899 chklist = stcb->asoc.local_auth_chunks; 2900 /* is there enough space? */ 2901 size = sctp_auth_get_chklist_size(chklist); 2902 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2903 error = EINVAL; 2904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2905 } else { 2906 /* copy in the chunks */ 2907 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2908 sac->gauth_number_of_chunks = (uint32_t)size; 2909 *optsize = sizeof(struct sctp_authchunks) + size; 2910 } 2911 SCTP_TCB_UNLOCK(stcb); 2912 } else { 2913 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2914 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2915 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2916 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2917 /* get off the endpoint */ 2918 SCTP_INP_RLOCK(inp); 2919 chklist = inp->sctp_ep.local_auth_chunks; 2920 /* is there enough space? */ 2921 size = sctp_auth_get_chklist_size(chklist); 2922 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2923 error = EINVAL; 2924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2925 } else { 2926 /* copy in the chunks */ 2927 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2928 sac->gauth_number_of_chunks = (uint32_t)size; 2929 *optsize = sizeof(struct sctp_authchunks) + size; 2930 } 2931 SCTP_INP_RUNLOCK(inp); 2932 } else { 2933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2934 error = EINVAL; 2935 } 2936 } 2937 break; 2938 } 2939 case SCTP_PEER_AUTH_CHUNKS: 2940 { 2941 struct sctp_authchunks *sac; 2942 sctp_auth_chklist_t *chklist = NULL; 2943 size_t size = 0; 2944 2945 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2946 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2947 2948 if (stcb) { 2949 /* get off the assoc */ 2950 chklist = stcb->asoc.peer_auth_chunks; 2951 /* is there enough space? */ 2952 size = sctp_auth_get_chklist_size(chklist); 2953 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2954 error = EINVAL; 2955 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2956 } else { 2957 /* copy in the chunks */ 2958 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2959 sac->gauth_number_of_chunks = (uint32_t)size; 2960 *optsize = sizeof(struct sctp_authchunks) + size; 2961 } 2962 SCTP_TCB_UNLOCK(stcb); 2963 } else { 2964 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2965 error = ENOENT; 2966 } 2967 break; 2968 } 2969 case SCTP_EVENT: 2970 { 2971 struct sctp_event *event; 2972 uint32_t event_type; 2973 2974 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2975 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2976 2977 switch (event->se_type) { 2978 case SCTP_ASSOC_CHANGE: 2979 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2980 break; 2981 case SCTP_PEER_ADDR_CHANGE: 2982 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2983 break; 2984 case SCTP_REMOTE_ERROR: 2985 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2986 break; 2987 case SCTP_SEND_FAILED: 2988 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2989 break; 2990 case SCTP_SHUTDOWN_EVENT: 2991 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2992 break; 2993 case SCTP_ADAPTATION_INDICATION: 2994 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2995 break; 2996 case SCTP_PARTIAL_DELIVERY_EVENT: 2997 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2998 break; 2999 case SCTP_AUTHENTICATION_EVENT: 3000 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3001 break; 3002 case SCTP_STREAM_RESET_EVENT: 3003 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3004 break; 3005 case SCTP_SENDER_DRY_EVENT: 3006 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3007 break; 3008 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3009 event_type = 0; 3010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3011 error = ENOTSUP; 3012 break; 3013 case SCTP_ASSOC_RESET_EVENT: 3014 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3015 break; 3016 case SCTP_STREAM_CHANGE_EVENT: 3017 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3018 break; 3019 case SCTP_SEND_FAILED_EVENT: 3020 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3021 break; 3022 default: 3023 event_type = 0; 3024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3025 error = EINVAL; 3026 break; 3027 } 3028 if (event_type > 0) { 3029 if (stcb) { 3030 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3031 } else { 3032 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3033 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3034 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3035 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3036 SCTP_INP_RLOCK(inp); 3037 event->se_on = sctp_is_feature_on(inp, event_type); 3038 SCTP_INP_RUNLOCK(inp); 3039 } else { 3040 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3041 error = EINVAL; 3042 } 3043 } 3044 } 3045 if (stcb != NULL) { 3046 SCTP_TCB_UNLOCK(stcb); 3047 } 3048 if (error == 0) { 3049 *optsize = sizeof(struct sctp_event); 3050 } 3051 break; 3052 } 3053 case SCTP_RECVRCVINFO: 3054 if (*optsize < sizeof(int)) { 3055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3056 error = EINVAL; 3057 } else { 3058 SCTP_INP_RLOCK(inp); 3059 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3060 SCTP_INP_RUNLOCK(inp); 3061 *optsize = sizeof(int); 3062 } 3063 break; 3064 case SCTP_RECVNXTINFO: 3065 if (*optsize < sizeof(int)) { 3066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3067 error = EINVAL; 3068 } else { 3069 SCTP_INP_RLOCK(inp); 3070 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3071 SCTP_INP_RUNLOCK(inp); 3072 *optsize = sizeof(int); 3073 } 3074 break; 3075 case SCTP_DEFAULT_SNDINFO: 3076 { 3077 struct sctp_sndinfo *info; 3078 3079 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3080 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3081 3082 if (stcb) { 3083 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3084 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3085 info->snd_flags &= 0xfff0; 3086 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3087 info->snd_context = stcb->asoc.def_send.sinfo_context; 3088 SCTP_TCB_UNLOCK(stcb); 3089 } else { 3090 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3091 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3092 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3093 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3094 SCTP_INP_RLOCK(inp); 3095 info->snd_sid = inp->def_send.sinfo_stream; 3096 info->snd_flags = inp->def_send.sinfo_flags; 3097 info->snd_flags &= 0xfff0; 3098 info->snd_ppid = inp->def_send.sinfo_ppid; 3099 info->snd_context = inp->def_send.sinfo_context; 3100 SCTP_INP_RUNLOCK(inp); 3101 } else { 3102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3103 error = EINVAL; 3104 } 3105 } 3106 if (error == 0) { 3107 *optsize = sizeof(struct sctp_sndinfo); 3108 } 3109 break; 3110 } 3111 case SCTP_DEFAULT_PRINFO: 3112 { 3113 struct sctp_default_prinfo *info; 3114 3115 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3116 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3117 3118 if (stcb) { 3119 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3120 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3121 SCTP_TCB_UNLOCK(stcb); 3122 } else { 3123 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3124 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3125 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3126 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3127 SCTP_INP_RLOCK(inp); 3128 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3129 info->pr_value = inp->def_send.sinfo_timetolive; 3130 SCTP_INP_RUNLOCK(inp); 3131 } else { 3132 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3133 error = EINVAL; 3134 } 3135 } 3136 if (error == 0) { 3137 *optsize = sizeof(struct sctp_default_prinfo); 3138 } 3139 break; 3140 } 3141 case SCTP_PEER_ADDR_THLDS: 3142 { 3143 struct sctp_paddrthlds *thlds; 3144 struct sctp_nets *net; 3145 struct sockaddr *addr; 3146 #if defined(INET) && defined(INET6) 3147 struct sockaddr_in sin_store; 3148 #endif 3149 3150 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3151 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3152 3153 #if defined(INET) && defined(INET6) 3154 if (thlds->spt_address.ss_family == AF_INET6) { 3155 struct sockaddr_in6 *sin6; 3156 3157 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3158 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3159 in6_sin6_2_sin(&sin_store, sin6); 3160 addr = (struct sockaddr *)&sin_store; 3161 } else { 3162 addr = (struct sockaddr *)&thlds->spt_address; 3163 } 3164 } else { 3165 addr = (struct sockaddr *)&thlds->spt_address; 3166 } 3167 #else 3168 addr = (struct sockaddr *)&thlds->spt_address; 3169 #endif 3170 if (stcb != NULL) { 3171 net = sctp_findnet(stcb, addr); 3172 } else { 3173 /* 3174 * We increment here since 3175 * sctp_findassociation_ep_addr() wil do a 3176 * decrement if it finds the stcb as long as 3177 * the locked tcb (last argument) is NOT a 3178 * TCB.. aka NULL. 3179 */ 3180 net = NULL; 3181 SCTP_INP_INCR_REF(inp); 3182 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3183 if (stcb == NULL) { 3184 SCTP_INP_DECR_REF(inp); 3185 } 3186 } 3187 if ((stcb != NULL) && (net == NULL)) { 3188 #ifdef INET 3189 if (addr->sa_family == AF_INET) { 3190 struct sockaddr_in *sin; 3191 3192 sin = (struct sockaddr_in *)addr; 3193 if (sin->sin_addr.s_addr != INADDR_ANY) { 3194 error = EINVAL; 3195 SCTP_TCB_UNLOCK(stcb); 3196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3197 break; 3198 } 3199 } else 3200 #endif 3201 #ifdef INET6 3202 if (addr->sa_family == AF_INET6) { 3203 struct sockaddr_in6 *sin6; 3204 3205 sin6 = (struct sockaddr_in6 *)addr; 3206 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3207 error = EINVAL; 3208 SCTP_TCB_UNLOCK(stcb); 3209 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3210 break; 3211 } 3212 } else 3213 #endif 3214 { 3215 error = EAFNOSUPPORT; 3216 SCTP_TCB_UNLOCK(stcb); 3217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3218 break; 3219 } 3220 } 3221 3222 if (stcb != NULL) { 3223 if (net != NULL) { 3224 thlds->spt_pathmaxrxt = net->failure_threshold; 3225 thlds->spt_pathpfthld = net->pf_threshold; 3226 thlds->spt_pathcpthld = 0xffff; 3227 } else { 3228 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3229 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3230 thlds->spt_pathcpthld = 0xffff; 3231 } 3232 thlds->spt_assoc_id = sctp_get_associd(stcb); 3233 SCTP_TCB_UNLOCK(stcb); 3234 } else { 3235 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3236 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3237 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3238 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3239 /* Use endpoint defaults */ 3240 SCTP_INP_RLOCK(inp); 3241 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3242 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3243 thlds->spt_pathcpthld = 0xffff; 3244 SCTP_INP_RUNLOCK(inp); 3245 } else { 3246 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3247 error = EINVAL; 3248 } 3249 } 3250 if (error == 0) { 3251 *optsize = sizeof(struct sctp_paddrthlds); 3252 } 3253 break; 3254 } 3255 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3256 { 3257 struct sctp_udpencaps *encaps; 3258 struct sctp_nets *net; 3259 struct sockaddr *addr; 3260 #if defined(INET) && defined(INET6) 3261 struct sockaddr_in sin_store; 3262 #endif 3263 3264 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3265 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3266 3267 #if defined(INET) && defined(INET6) 3268 if (encaps->sue_address.ss_family == AF_INET6) { 3269 struct sockaddr_in6 *sin6; 3270 3271 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3272 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3273 in6_sin6_2_sin(&sin_store, sin6); 3274 addr = (struct sockaddr *)&sin_store; 3275 } else { 3276 addr = (struct sockaddr *)&encaps->sue_address; 3277 } 3278 } else { 3279 addr = (struct sockaddr *)&encaps->sue_address; 3280 } 3281 #else 3282 addr = (struct sockaddr *)&encaps->sue_address; 3283 #endif 3284 if (stcb) { 3285 net = sctp_findnet(stcb, addr); 3286 } else { 3287 /* 3288 * We increment here since 3289 * sctp_findassociation_ep_addr() wil do a 3290 * decrement if it finds the stcb as long as 3291 * the locked tcb (last argument) is NOT a 3292 * TCB.. aka NULL. 3293 */ 3294 net = NULL; 3295 SCTP_INP_INCR_REF(inp); 3296 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3297 if (stcb == NULL) { 3298 SCTP_INP_DECR_REF(inp); 3299 } 3300 } 3301 if ((stcb != NULL) && (net == NULL)) { 3302 #ifdef INET 3303 if (addr->sa_family == AF_INET) { 3304 struct sockaddr_in *sin; 3305 3306 sin = (struct sockaddr_in *)addr; 3307 if (sin->sin_addr.s_addr != INADDR_ANY) { 3308 error = EINVAL; 3309 SCTP_TCB_UNLOCK(stcb); 3310 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3311 break; 3312 } 3313 } else 3314 #endif 3315 #ifdef INET6 3316 if (addr->sa_family == AF_INET6) { 3317 struct sockaddr_in6 *sin6; 3318 3319 sin6 = (struct sockaddr_in6 *)addr; 3320 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3321 error = EINVAL; 3322 SCTP_TCB_UNLOCK(stcb); 3323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3324 break; 3325 } 3326 } else 3327 #endif 3328 { 3329 error = EAFNOSUPPORT; 3330 SCTP_TCB_UNLOCK(stcb); 3331 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3332 break; 3333 } 3334 } 3335 3336 if (stcb != NULL) { 3337 if (net) { 3338 encaps->sue_port = net->port; 3339 } else { 3340 encaps->sue_port = stcb->asoc.port; 3341 } 3342 SCTP_TCB_UNLOCK(stcb); 3343 } else { 3344 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3345 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3346 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3347 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3348 SCTP_INP_RLOCK(inp); 3349 encaps->sue_port = inp->sctp_ep.port; 3350 SCTP_INP_RUNLOCK(inp); 3351 } else { 3352 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3353 error = EINVAL; 3354 } 3355 } 3356 if (error == 0) { 3357 *optsize = sizeof(struct sctp_udpencaps); 3358 } 3359 break; 3360 } 3361 case SCTP_ECN_SUPPORTED: 3362 { 3363 struct sctp_assoc_value *av; 3364 3365 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3366 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3367 3368 if (stcb) { 3369 av->assoc_value = stcb->asoc.ecn_supported; 3370 SCTP_TCB_UNLOCK(stcb); 3371 } else { 3372 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3373 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3374 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3375 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3376 SCTP_INP_RLOCK(inp); 3377 av->assoc_value = inp->ecn_supported; 3378 SCTP_INP_RUNLOCK(inp); 3379 } else { 3380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3381 error = EINVAL; 3382 } 3383 } 3384 if (error == 0) { 3385 *optsize = sizeof(struct sctp_assoc_value); 3386 } 3387 break; 3388 } 3389 case SCTP_PR_SUPPORTED: 3390 { 3391 struct sctp_assoc_value *av; 3392 3393 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3394 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3395 3396 if (stcb) { 3397 av->assoc_value = stcb->asoc.prsctp_supported; 3398 SCTP_TCB_UNLOCK(stcb); 3399 } else { 3400 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3401 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3402 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3403 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3404 SCTP_INP_RLOCK(inp); 3405 av->assoc_value = inp->prsctp_supported; 3406 SCTP_INP_RUNLOCK(inp); 3407 } else { 3408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3409 error = EINVAL; 3410 } 3411 } 3412 if (error == 0) { 3413 *optsize = sizeof(struct sctp_assoc_value); 3414 } 3415 break; 3416 } 3417 case SCTP_AUTH_SUPPORTED: 3418 { 3419 struct sctp_assoc_value *av; 3420 3421 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3422 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3423 3424 if (stcb) { 3425 av->assoc_value = stcb->asoc.auth_supported; 3426 SCTP_TCB_UNLOCK(stcb); 3427 } else { 3428 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3429 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3430 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3431 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3432 SCTP_INP_RLOCK(inp); 3433 av->assoc_value = inp->auth_supported; 3434 SCTP_INP_RUNLOCK(inp); 3435 } else { 3436 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3437 error = EINVAL; 3438 } 3439 } 3440 if (error == 0) { 3441 *optsize = sizeof(struct sctp_assoc_value); 3442 } 3443 break; 3444 } 3445 case SCTP_ASCONF_SUPPORTED: 3446 { 3447 struct sctp_assoc_value *av; 3448 3449 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3450 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3451 3452 if (stcb) { 3453 av->assoc_value = stcb->asoc.asconf_supported; 3454 SCTP_TCB_UNLOCK(stcb); 3455 } else { 3456 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3457 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3458 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3459 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3460 SCTP_INP_RLOCK(inp); 3461 av->assoc_value = inp->asconf_supported; 3462 SCTP_INP_RUNLOCK(inp); 3463 } else { 3464 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3465 error = EINVAL; 3466 } 3467 } 3468 if (error == 0) { 3469 *optsize = sizeof(struct sctp_assoc_value); 3470 } 3471 break; 3472 } 3473 case SCTP_RECONFIG_SUPPORTED: 3474 { 3475 struct sctp_assoc_value *av; 3476 3477 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3478 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3479 3480 if (stcb) { 3481 av->assoc_value = stcb->asoc.reconfig_supported; 3482 SCTP_TCB_UNLOCK(stcb); 3483 } else { 3484 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3485 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3486 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3487 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3488 SCTP_INP_RLOCK(inp); 3489 av->assoc_value = inp->reconfig_supported; 3490 SCTP_INP_RUNLOCK(inp); 3491 } else { 3492 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3493 error = EINVAL; 3494 } 3495 } 3496 if (error == 0) { 3497 *optsize = sizeof(struct sctp_assoc_value); 3498 } 3499 break; 3500 } 3501 case SCTP_NRSACK_SUPPORTED: 3502 { 3503 struct sctp_assoc_value *av; 3504 3505 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3506 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3507 3508 if (stcb) { 3509 av->assoc_value = stcb->asoc.nrsack_supported; 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 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3515 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3516 SCTP_INP_RLOCK(inp); 3517 av->assoc_value = inp->nrsack_supported; 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_assoc_value); 3526 } 3527 break; 3528 } 3529 case SCTP_PKTDROP_SUPPORTED: 3530 { 3531 struct sctp_assoc_value *av; 3532 3533 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3534 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3535 3536 if (stcb) { 3537 av->assoc_value = stcb->asoc.pktdrop_supported; 3538 SCTP_TCB_UNLOCK(stcb); 3539 } else { 3540 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3541 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3542 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3543 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3544 SCTP_INP_RLOCK(inp); 3545 av->assoc_value = inp->pktdrop_supported; 3546 SCTP_INP_RUNLOCK(inp); 3547 } else { 3548 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3549 error = EINVAL; 3550 } 3551 } 3552 if (error == 0) { 3553 *optsize = sizeof(struct sctp_assoc_value); 3554 } 3555 break; 3556 } 3557 case SCTP_ENABLE_STREAM_RESET: 3558 { 3559 struct sctp_assoc_value *av; 3560 3561 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3562 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3563 3564 if (stcb) { 3565 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3566 SCTP_TCB_UNLOCK(stcb); 3567 } else { 3568 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3569 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3570 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3571 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3572 SCTP_INP_RLOCK(inp); 3573 av->assoc_value = (uint32_t)inp->local_strreset_support; 3574 SCTP_INP_RUNLOCK(inp); 3575 } else { 3576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3577 error = EINVAL; 3578 } 3579 } 3580 if (error == 0) { 3581 *optsize = sizeof(struct sctp_assoc_value); 3582 } 3583 break; 3584 } 3585 case SCTP_PR_STREAM_STATUS: 3586 { 3587 struct sctp_prstatus *sprstat; 3588 uint16_t sid; 3589 uint16_t policy; 3590 3591 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3592 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3593 3594 sid = sprstat->sprstat_sid; 3595 policy = sprstat->sprstat_policy; 3596 #if defined(SCTP_DETAILED_STR_STATS) 3597 if ((stcb != NULL) && 3598 (sid < stcb->asoc.streamoutcnt) && 3599 (policy != SCTP_PR_SCTP_NONE) && 3600 ((policy <= SCTP_PR_SCTP_MAX) || 3601 (policy == SCTP_PR_SCTP_ALL))) { 3602 if (policy == SCTP_PR_SCTP_ALL) { 3603 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3604 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3605 } else { 3606 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3607 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3608 } 3609 #else 3610 if ((stcb != NULL) && 3611 (sid < stcb->asoc.streamoutcnt) && 3612 (policy == SCTP_PR_SCTP_ALL)) { 3613 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3614 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3615 #endif 3616 } else { 3617 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3618 error = EINVAL; 3619 } 3620 if (stcb != NULL) { 3621 SCTP_TCB_UNLOCK(stcb); 3622 } 3623 if (error == 0) { 3624 *optsize = sizeof(struct sctp_prstatus); 3625 } 3626 break; 3627 } 3628 case SCTP_PR_ASSOC_STATUS: 3629 { 3630 struct sctp_prstatus *sprstat; 3631 uint16_t policy; 3632 3633 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3634 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3635 3636 policy = sprstat->sprstat_policy; 3637 if ((stcb != NULL) && 3638 (policy != SCTP_PR_SCTP_NONE) && 3639 ((policy <= SCTP_PR_SCTP_MAX) || 3640 (policy == SCTP_PR_SCTP_ALL))) { 3641 if (policy == SCTP_PR_SCTP_ALL) { 3642 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3643 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3644 } else { 3645 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3646 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3647 } 3648 } else { 3649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3650 error = EINVAL; 3651 } 3652 if (stcb != NULL) { 3653 SCTP_TCB_UNLOCK(stcb); 3654 } 3655 if (error == 0) { 3656 *optsize = sizeof(struct sctp_prstatus); 3657 } 3658 break; 3659 } 3660 case SCTP_MAX_CWND: 3661 { 3662 struct sctp_assoc_value *av; 3663 3664 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3665 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3666 3667 if (stcb) { 3668 av->assoc_value = stcb->asoc.max_cwnd; 3669 SCTP_TCB_UNLOCK(stcb); 3670 } else { 3671 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3672 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3673 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3674 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3675 SCTP_INP_RLOCK(inp); 3676 av->assoc_value = inp->max_cwnd; 3677 SCTP_INP_RUNLOCK(inp); 3678 } else { 3679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3680 error = EINVAL; 3681 } 3682 } 3683 if (error == 0) { 3684 *optsize = sizeof(struct sctp_assoc_value); 3685 } 3686 break; 3687 } 3688 default: 3689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3690 error = ENOPROTOOPT; 3691 break; 3692 } /* end switch (sopt->sopt_name) */ 3693 if (error) { 3694 *optsize = 0; 3695 } 3696 return (error); 3697 } 3698 3699 static int 3700 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3701 void *p) 3702 { 3703 int error, set_opt; 3704 uint32_t *mopt; 3705 struct sctp_tcb *stcb = NULL; 3706 struct sctp_inpcb *inp = NULL; 3707 uint32_t vrf_id; 3708 3709 if (optval == NULL) { 3710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3711 return (EINVAL); 3712 } 3713 inp = (struct sctp_inpcb *)so->so_pcb; 3714 if (inp == NULL) { 3715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3716 return (EINVAL); 3717 } 3718 vrf_id = inp->def_vrf_id; 3719 3720 error = 0; 3721 switch (optname) { 3722 case SCTP_NODELAY: 3723 case SCTP_AUTOCLOSE: 3724 case SCTP_AUTO_ASCONF: 3725 case SCTP_EXPLICIT_EOR: 3726 case SCTP_DISABLE_FRAGMENTS: 3727 case SCTP_USE_EXT_RCVINFO: 3728 case SCTP_I_WANT_MAPPED_V4_ADDR: 3729 /* copy in the option value */ 3730 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3731 set_opt = 0; 3732 if (error) 3733 break; 3734 switch (optname) { 3735 case SCTP_DISABLE_FRAGMENTS: 3736 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3737 break; 3738 case SCTP_AUTO_ASCONF: 3739 /* 3740 * NOTE: we don't really support this flag 3741 */ 3742 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3743 /* only valid for bound all sockets */ 3744 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3745 (*mopt != 0)) { 3746 /* forbidden by admin */ 3747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3748 return (EPERM); 3749 } 3750 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3751 } else { 3752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3753 return (EINVAL); 3754 } 3755 break; 3756 case SCTP_EXPLICIT_EOR: 3757 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3758 break; 3759 case SCTP_USE_EXT_RCVINFO: 3760 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3761 break; 3762 case SCTP_I_WANT_MAPPED_V4_ADDR: 3763 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3764 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3765 } else { 3766 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3767 return (EINVAL); 3768 } 3769 break; 3770 case SCTP_NODELAY: 3771 set_opt = SCTP_PCB_FLAGS_NODELAY; 3772 break; 3773 case SCTP_AUTOCLOSE: 3774 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3775 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3777 return (EINVAL); 3778 } 3779 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3780 /* 3781 * The value is in ticks. Note this does not effect 3782 * old associations, only new ones. 3783 */ 3784 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3785 break; 3786 } 3787 SCTP_INP_WLOCK(inp); 3788 if (*mopt != 0) { 3789 sctp_feature_on(inp, set_opt); 3790 } else { 3791 sctp_feature_off(inp, set_opt); 3792 } 3793 SCTP_INP_WUNLOCK(inp); 3794 break; 3795 case SCTP_REUSE_PORT: 3796 { 3797 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3798 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3799 /* Can't set it after we are bound */ 3800 error = EINVAL; 3801 break; 3802 } 3803 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3804 /* Can't do this for a 1-m socket */ 3805 error = EINVAL; 3806 break; 3807 } 3808 if (optval) 3809 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3810 else 3811 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3812 break; 3813 } 3814 case SCTP_PARTIAL_DELIVERY_POINT: 3815 { 3816 uint32_t *value; 3817 3818 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3819 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3820 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3821 error = EINVAL; 3822 break; 3823 } 3824 inp->partial_delivery_point = *value; 3825 break; 3826 } 3827 case SCTP_FRAGMENT_INTERLEAVE: 3828 /* not yet until we re-write sctp_recvmsg() */ 3829 { 3830 uint32_t *level; 3831 3832 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3833 if (*level == SCTP_FRAG_LEVEL_2) { 3834 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3835 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3836 } else if (*level == SCTP_FRAG_LEVEL_1) { 3837 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3838 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3839 } else if (*level == SCTP_FRAG_LEVEL_0) { 3840 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3841 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3842 3843 } else { 3844 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3845 error = EINVAL; 3846 } 3847 break; 3848 } 3849 case SCTP_INTERLEAVING_SUPPORTED: 3850 { 3851 struct sctp_assoc_value *av; 3852 3853 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3854 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3855 3856 if (stcb) { 3857 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3858 error = EINVAL; 3859 SCTP_TCB_UNLOCK(stcb); 3860 } else { 3861 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3862 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3863 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3864 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3865 SCTP_INP_WLOCK(inp); 3866 if (av->assoc_value == 0) { 3867 inp->idata_supported = 0; 3868 } else { 3869 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3870 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3871 inp->idata_supported = 1; 3872 } else { 3873 /* 3874 * Must have Frag 3875 * interleave and 3876 * stream interleave 3877 * on 3878 */ 3879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3880 error = EINVAL; 3881 } 3882 } 3883 SCTP_INP_WUNLOCK(inp); 3884 } else { 3885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3886 error = EINVAL; 3887 } 3888 } 3889 break; 3890 } 3891 case SCTP_CMT_ON_OFF: 3892 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3893 struct sctp_assoc_value *av; 3894 3895 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3896 if (av->assoc_value > SCTP_CMT_MAX) { 3897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3898 error = EINVAL; 3899 break; 3900 } 3901 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3902 if (stcb) { 3903 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3904 SCTP_TCB_UNLOCK(stcb); 3905 } else { 3906 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3907 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3908 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3909 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3910 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3911 SCTP_INP_WLOCK(inp); 3912 inp->sctp_cmt_on_off = av->assoc_value; 3913 SCTP_INP_WUNLOCK(inp); 3914 } 3915 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3916 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3917 (av->assoc_id == SCTP_ALL_ASSOC))) { 3918 SCTP_INP_RLOCK(inp); 3919 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3920 SCTP_TCB_LOCK(stcb); 3921 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3922 SCTP_TCB_UNLOCK(stcb); 3923 } 3924 SCTP_INP_RUNLOCK(inp); 3925 } 3926 } 3927 } else { 3928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3929 error = ENOPROTOOPT; 3930 } 3931 break; 3932 case SCTP_PLUGGABLE_CC: 3933 { 3934 struct sctp_assoc_value *av; 3935 struct sctp_nets *net; 3936 3937 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3938 if ((av->assoc_value != SCTP_CC_RFC2581) && 3939 (av->assoc_value != SCTP_CC_HSTCP) && 3940 (av->assoc_value != SCTP_CC_HTCP) && 3941 (av->assoc_value != SCTP_CC_RTCC)) { 3942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3943 error = EINVAL; 3944 break; 3945 } 3946 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3947 if (stcb) { 3948 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3949 stcb->asoc.congestion_control_module = av->assoc_value; 3950 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3951 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3952 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3953 } 3954 } 3955 SCTP_TCB_UNLOCK(stcb); 3956 } else { 3957 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3958 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3959 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3960 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3961 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3962 SCTP_INP_WLOCK(inp); 3963 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3964 SCTP_INP_WUNLOCK(inp); 3965 } 3966 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3967 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3968 (av->assoc_id == SCTP_ALL_ASSOC))) { 3969 SCTP_INP_RLOCK(inp); 3970 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3971 SCTP_TCB_LOCK(stcb); 3972 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3973 stcb->asoc.congestion_control_module = av->assoc_value; 3974 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3975 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3976 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3977 } 3978 } 3979 SCTP_TCB_UNLOCK(stcb); 3980 } 3981 SCTP_INP_RUNLOCK(inp); 3982 } 3983 } 3984 break; 3985 } 3986 case SCTP_CC_OPTION: 3987 { 3988 struct sctp_cc_option *cc_opt; 3989 3990 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3991 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3992 if (stcb == NULL) { 3993 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3994 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 3995 SCTP_INP_RLOCK(inp); 3996 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3997 SCTP_TCB_LOCK(stcb); 3998 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3999 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4000 } 4001 SCTP_TCB_UNLOCK(stcb); 4002 } 4003 SCTP_INP_RUNLOCK(inp); 4004 } else { 4005 error = EINVAL; 4006 } 4007 } else { 4008 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4009 error = ENOTSUP; 4010 } else { 4011 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4012 cc_opt); 4013 } 4014 SCTP_TCB_UNLOCK(stcb); 4015 } 4016 break; 4017 } 4018 case SCTP_STREAM_SCHEDULER: 4019 { 4020 struct sctp_assoc_value *av; 4021 4022 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4023 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4024 (av->assoc_value != SCTP_SS_RR) && 4025 (av->assoc_value != SCTP_SS_RR_PKT) && 4026 (av->assoc_value != SCTP_SS_PRIO) && 4027 (av->assoc_value != SCTP_SS_FB) && 4028 (av->assoc_value != SCTP_SS_FCFS)) { 4029 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4030 error = EINVAL; 4031 break; 4032 } 4033 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4034 if (stcb) { 4035 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4036 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4037 stcb->asoc.stream_scheduling_module = av->assoc_value; 4038 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4039 SCTP_TCB_UNLOCK(stcb); 4040 } else { 4041 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4042 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4043 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4044 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4045 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4046 SCTP_INP_WLOCK(inp); 4047 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4048 SCTP_INP_WUNLOCK(inp); 4049 } 4050 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4051 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4052 (av->assoc_id == SCTP_ALL_ASSOC))) { 4053 SCTP_INP_RLOCK(inp); 4054 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4055 SCTP_TCB_LOCK(stcb); 4056 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4057 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4058 stcb->asoc.stream_scheduling_module = av->assoc_value; 4059 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4060 SCTP_TCB_UNLOCK(stcb); 4061 } 4062 SCTP_INP_RUNLOCK(inp); 4063 } 4064 } 4065 break; 4066 } 4067 case SCTP_STREAM_SCHEDULER_VALUE: 4068 { 4069 struct sctp_stream_value *av; 4070 4071 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4072 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4073 if (stcb) { 4074 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4075 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4076 av->stream_value) < 0)) { 4077 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4078 error = EINVAL; 4079 } 4080 SCTP_TCB_UNLOCK(stcb); 4081 } else { 4082 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4083 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4084 SCTP_INP_RLOCK(inp); 4085 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4086 SCTP_TCB_LOCK(stcb); 4087 if (av->stream_id < stcb->asoc.streamoutcnt) { 4088 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4089 &stcb->asoc, 4090 &stcb->asoc.strmout[av->stream_id], 4091 av->stream_value); 4092 } 4093 SCTP_TCB_UNLOCK(stcb); 4094 } 4095 SCTP_INP_RUNLOCK(inp); 4096 } else { 4097 /* 4098 * Can't set stream value without 4099 * association 4100 */ 4101 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4102 error = EINVAL; 4103 } 4104 } 4105 break; 4106 } 4107 case SCTP_CLR_STAT_LOG: 4108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4109 error = EOPNOTSUPP; 4110 break; 4111 case SCTP_CONTEXT: 4112 { 4113 struct sctp_assoc_value *av; 4114 4115 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4116 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4117 4118 if (stcb) { 4119 stcb->asoc.context = av->assoc_value; 4120 SCTP_TCB_UNLOCK(stcb); 4121 } else { 4122 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4123 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4124 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4125 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4126 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4127 SCTP_INP_WLOCK(inp); 4128 inp->sctp_context = av->assoc_value; 4129 SCTP_INP_WUNLOCK(inp); 4130 } 4131 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4132 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4133 (av->assoc_id == SCTP_ALL_ASSOC))) { 4134 SCTP_INP_RLOCK(inp); 4135 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4136 SCTP_TCB_LOCK(stcb); 4137 stcb->asoc.context = av->assoc_value; 4138 SCTP_TCB_UNLOCK(stcb); 4139 } 4140 SCTP_INP_RUNLOCK(inp); 4141 } 4142 } 4143 break; 4144 } 4145 case SCTP_VRF_ID: 4146 { 4147 uint32_t *default_vrfid; 4148 4149 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4150 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4151 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4152 error = EINVAL; 4153 break; 4154 } 4155 inp->def_vrf_id = *default_vrfid; 4156 break; 4157 } 4158 case SCTP_DEL_VRF_ID: 4159 { 4160 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4161 error = EOPNOTSUPP; 4162 break; 4163 } 4164 case SCTP_ADD_VRF_ID: 4165 { 4166 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4167 error = EOPNOTSUPP; 4168 break; 4169 } 4170 case SCTP_DELAYED_SACK: 4171 { 4172 struct sctp_sack_info *sack; 4173 4174 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4175 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4176 if (sack->sack_delay) { 4177 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4178 error = EINVAL; 4179 if (stcb != NULL) { 4180 SCTP_TCB_UNLOCK(stcb); 4181 } 4182 break; 4183 } 4184 } 4185 if (stcb) { 4186 if (sack->sack_delay) { 4187 stcb->asoc.delayed_ack = sack->sack_delay; 4188 } 4189 if (sack->sack_freq) { 4190 stcb->asoc.sack_freq = sack->sack_freq; 4191 } 4192 SCTP_TCB_UNLOCK(stcb); 4193 } else { 4194 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4195 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4196 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4197 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4198 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4199 SCTP_INP_WLOCK(inp); 4200 if (sack->sack_delay) { 4201 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4202 } 4203 if (sack->sack_freq) { 4204 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4205 } 4206 SCTP_INP_WUNLOCK(inp); 4207 } 4208 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4209 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4210 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4211 SCTP_INP_RLOCK(inp); 4212 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4213 SCTP_TCB_LOCK(stcb); 4214 if (sack->sack_delay) { 4215 stcb->asoc.delayed_ack = sack->sack_delay; 4216 } 4217 if (sack->sack_freq) { 4218 stcb->asoc.sack_freq = sack->sack_freq; 4219 } 4220 SCTP_TCB_UNLOCK(stcb); 4221 } 4222 SCTP_INP_RUNLOCK(inp); 4223 } 4224 } 4225 break; 4226 } 4227 case SCTP_AUTH_CHUNK: 4228 { 4229 struct sctp_authchunk *sauth; 4230 4231 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4232 4233 SCTP_INP_WLOCK(inp); 4234 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4235 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4236 error = EINVAL; 4237 } else { 4238 inp->auth_supported = 1; 4239 } 4240 SCTP_INP_WUNLOCK(inp); 4241 break; 4242 } 4243 case SCTP_AUTH_KEY: 4244 { 4245 struct sctp_authkey *sca; 4246 struct sctp_keyhead *shared_keys; 4247 sctp_sharedkey_t *shared_key; 4248 sctp_key_t *key = NULL; 4249 size_t size; 4250 4251 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4252 if (sca->sca_keylength == 0) { 4253 size = optsize - sizeof(struct sctp_authkey); 4254 } else { 4255 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4256 size = sca->sca_keylength; 4257 } else { 4258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4259 error = EINVAL; 4260 break; 4261 } 4262 } 4263 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4264 4265 if (stcb) { 4266 shared_keys = &stcb->asoc.shared_keys; 4267 /* clear the cached keys for this key id */ 4268 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4269 /* 4270 * create the new shared key and 4271 * insert/replace it 4272 */ 4273 if (size > 0) { 4274 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4275 if (key == NULL) { 4276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4277 error = ENOMEM; 4278 SCTP_TCB_UNLOCK(stcb); 4279 break; 4280 } 4281 } 4282 shared_key = sctp_alloc_sharedkey(); 4283 if (shared_key == NULL) { 4284 sctp_free_key(key); 4285 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4286 error = ENOMEM; 4287 SCTP_TCB_UNLOCK(stcb); 4288 break; 4289 } 4290 shared_key->key = key; 4291 shared_key->keyid = sca->sca_keynumber; 4292 error = sctp_insert_sharedkey(shared_keys, shared_key); 4293 SCTP_TCB_UNLOCK(stcb); 4294 } else { 4295 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4296 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4297 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4298 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4299 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4300 SCTP_INP_WLOCK(inp); 4301 shared_keys = &inp->sctp_ep.shared_keys; 4302 /* 4303 * clear the cached keys on all 4304 * assocs for this key id 4305 */ 4306 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4307 /* 4308 * create the new shared key and 4309 * insert/replace it 4310 */ 4311 if (size > 0) { 4312 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4313 if (key == NULL) { 4314 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4315 error = ENOMEM; 4316 SCTP_INP_WUNLOCK(inp); 4317 break; 4318 } 4319 } 4320 shared_key = sctp_alloc_sharedkey(); 4321 if (shared_key == NULL) { 4322 sctp_free_key(key); 4323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4324 error = ENOMEM; 4325 SCTP_INP_WUNLOCK(inp); 4326 break; 4327 } 4328 shared_key->key = key; 4329 shared_key->keyid = sca->sca_keynumber; 4330 error = sctp_insert_sharedkey(shared_keys, shared_key); 4331 SCTP_INP_WUNLOCK(inp); 4332 } 4333 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4334 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4335 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4336 SCTP_INP_RLOCK(inp); 4337 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4338 SCTP_TCB_LOCK(stcb); 4339 shared_keys = &stcb->asoc.shared_keys; 4340 /* 4341 * clear the cached keys for 4342 * this key id 4343 */ 4344 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4345 /* 4346 * create the new shared key 4347 * and insert/replace it 4348 */ 4349 if (size > 0) { 4350 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4351 if (key == NULL) { 4352 SCTP_TCB_UNLOCK(stcb); 4353 continue; 4354 } 4355 } 4356 shared_key = sctp_alloc_sharedkey(); 4357 if (shared_key == NULL) { 4358 sctp_free_key(key); 4359 SCTP_TCB_UNLOCK(stcb); 4360 continue; 4361 } 4362 shared_key->key = key; 4363 shared_key->keyid = sca->sca_keynumber; 4364 error = sctp_insert_sharedkey(shared_keys, shared_key); 4365 SCTP_TCB_UNLOCK(stcb); 4366 } 4367 SCTP_INP_RUNLOCK(inp); 4368 } 4369 } 4370 break; 4371 } 4372 case SCTP_HMAC_IDENT: 4373 { 4374 struct sctp_hmacalgo *shmac; 4375 sctp_hmaclist_t *hmaclist; 4376 uint16_t hmacid; 4377 uint32_t i; 4378 4379 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4380 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4381 (shmac->shmac_number_of_idents > 0xffff)) { 4382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4383 error = EINVAL; 4384 break; 4385 } 4386 4387 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4388 if (hmaclist == NULL) { 4389 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4390 error = ENOMEM; 4391 break; 4392 } 4393 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4394 hmacid = shmac->shmac_idents[i]; 4395 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4396 /* invalid HMACs were found */ ; 4397 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4398 error = EINVAL; 4399 sctp_free_hmaclist(hmaclist); 4400 goto sctp_set_hmac_done; 4401 } 4402 } 4403 for (i = 0; i < hmaclist->num_algo; i++) { 4404 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4405 /* already in list */ 4406 break; 4407 } 4408 } 4409 if (i == hmaclist->num_algo) { 4410 /* not found in list */ 4411 sctp_free_hmaclist(hmaclist); 4412 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4413 error = EINVAL; 4414 break; 4415 } 4416 /* set it on the endpoint */ 4417 SCTP_INP_WLOCK(inp); 4418 if (inp->sctp_ep.local_hmacs) 4419 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4420 inp->sctp_ep.local_hmacs = hmaclist; 4421 SCTP_INP_WUNLOCK(inp); 4422 sctp_set_hmac_done: 4423 break; 4424 } 4425 case SCTP_AUTH_ACTIVE_KEY: 4426 { 4427 struct sctp_authkeyid *scact; 4428 4429 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4430 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4431 4432 /* set the active key on the right place */ 4433 if (stcb) { 4434 /* set the active key on the assoc */ 4435 if (sctp_auth_setactivekey(stcb, 4436 scact->scact_keynumber)) { 4437 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4438 SCTP_FROM_SCTP_USRREQ, 4439 EINVAL); 4440 error = EINVAL; 4441 } 4442 SCTP_TCB_UNLOCK(stcb); 4443 } else { 4444 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4445 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4446 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4447 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4448 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4449 SCTP_INP_WLOCK(inp); 4450 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4452 error = EINVAL; 4453 } 4454 SCTP_INP_WUNLOCK(inp); 4455 } 4456 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4457 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4458 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4459 SCTP_INP_RLOCK(inp); 4460 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4461 SCTP_TCB_LOCK(stcb); 4462 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4463 SCTP_TCB_UNLOCK(stcb); 4464 } 4465 SCTP_INP_RUNLOCK(inp); 4466 } 4467 } 4468 break; 4469 } 4470 case SCTP_AUTH_DELETE_KEY: 4471 { 4472 struct sctp_authkeyid *scdel; 4473 4474 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4475 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4476 4477 /* delete the key from the right place */ 4478 if (stcb) { 4479 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4480 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4481 error = EINVAL; 4482 } 4483 SCTP_TCB_UNLOCK(stcb); 4484 } else { 4485 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4486 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4487 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4488 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4489 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4490 SCTP_INP_WLOCK(inp); 4491 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4492 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4493 error = EINVAL; 4494 } 4495 SCTP_INP_WUNLOCK(inp); 4496 } 4497 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4498 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4499 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4500 SCTP_INP_RLOCK(inp); 4501 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4502 SCTP_TCB_LOCK(stcb); 4503 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4504 SCTP_TCB_UNLOCK(stcb); 4505 } 4506 SCTP_INP_RUNLOCK(inp); 4507 } 4508 } 4509 break; 4510 } 4511 case SCTP_AUTH_DEACTIVATE_KEY: 4512 { 4513 struct sctp_authkeyid *keyid; 4514 4515 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4516 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4517 4518 /* deactivate the key from the right place */ 4519 if (stcb) { 4520 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4521 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4522 error = EINVAL; 4523 } 4524 SCTP_TCB_UNLOCK(stcb); 4525 } else { 4526 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4527 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4528 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4529 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4530 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4531 SCTP_INP_WLOCK(inp); 4532 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4533 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4534 error = EINVAL; 4535 } 4536 SCTP_INP_WUNLOCK(inp); 4537 } 4538 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4539 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4540 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4541 SCTP_INP_RLOCK(inp); 4542 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4543 SCTP_TCB_LOCK(stcb); 4544 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4545 SCTP_TCB_UNLOCK(stcb); 4546 } 4547 SCTP_INP_RUNLOCK(inp); 4548 } 4549 } 4550 break; 4551 } 4552 case SCTP_ENABLE_STREAM_RESET: 4553 { 4554 struct sctp_assoc_value *av; 4555 4556 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4557 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4559 error = EINVAL; 4560 break; 4561 } 4562 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4563 if (stcb) { 4564 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4565 SCTP_TCB_UNLOCK(stcb); 4566 } else { 4567 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4568 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4569 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4570 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4571 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4572 SCTP_INP_WLOCK(inp); 4573 inp->local_strreset_support = (uint8_t)av->assoc_value; 4574 SCTP_INP_WUNLOCK(inp); 4575 } 4576 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4577 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4578 (av->assoc_id == SCTP_ALL_ASSOC))) { 4579 SCTP_INP_RLOCK(inp); 4580 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4581 SCTP_TCB_LOCK(stcb); 4582 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4583 SCTP_TCB_UNLOCK(stcb); 4584 } 4585 SCTP_INP_RUNLOCK(inp); 4586 } 4587 } 4588 break; 4589 } 4590 case SCTP_RESET_STREAMS: 4591 { 4592 struct sctp_reset_streams *strrst; 4593 int i, send_out = 0; 4594 int send_in = 0; 4595 4596 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4597 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4598 if (stcb == NULL) { 4599 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4600 error = ENOENT; 4601 break; 4602 } 4603 if (stcb->asoc.reconfig_supported == 0) { 4604 /* 4605 * Peer does not support the chunk type. 4606 */ 4607 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4608 error = EOPNOTSUPP; 4609 SCTP_TCB_UNLOCK(stcb); 4610 break; 4611 } 4612 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4614 error = EINVAL; 4615 SCTP_TCB_UNLOCK(stcb); 4616 break; 4617 } 4618 if (sizeof(struct sctp_reset_streams) + 4619 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4620 error = EINVAL; 4621 SCTP_TCB_UNLOCK(stcb); 4622 break; 4623 } 4624 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4625 send_in = 1; 4626 if (stcb->asoc.stream_reset_outstanding) { 4627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4628 error = EALREADY; 4629 SCTP_TCB_UNLOCK(stcb); 4630 break; 4631 } 4632 } 4633 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4634 send_out = 1; 4635 } 4636 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4638 error = ENOMEM; 4639 SCTP_TCB_UNLOCK(stcb); 4640 break; 4641 } 4642 if ((send_in == 0) && (send_out == 0)) { 4643 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4644 error = EINVAL; 4645 SCTP_TCB_UNLOCK(stcb); 4646 break; 4647 } 4648 for (i = 0; i < strrst->srs_number_streams; i++) { 4649 if ((send_in) && 4650 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4651 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4652 error = EINVAL; 4653 break; 4654 } 4655 if ((send_out) && 4656 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4658 error = EINVAL; 4659 break; 4660 } 4661 } 4662 if (error) { 4663 SCTP_TCB_UNLOCK(stcb); 4664 break; 4665 } 4666 if (send_out) { 4667 int cnt; 4668 uint16_t strm; 4669 4670 if (strrst->srs_number_streams) { 4671 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4672 strm = strrst->srs_stream_list[i]; 4673 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4674 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4675 cnt++; 4676 } 4677 } 4678 } else { 4679 /* Its all */ 4680 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4681 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4682 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4683 cnt++; 4684 } 4685 } 4686 } 4687 } 4688 if (send_in) { 4689 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4690 strrst->srs_stream_list, 4691 send_in, 0, 0, 0, 0, 0); 4692 } else { 4693 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4694 } 4695 if (error == 0) { 4696 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4697 } else { 4698 /* 4699 * For outgoing streams don't report any 4700 * problems in sending the request to the 4701 * application. XXX: Double check resetting 4702 * incoming streams. 4703 */ 4704 error = 0; 4705 } 4706 SCTP_TCB_UNLOCK(stcb); 4707 break; 4708 } 4709 case SCTP_ADD_STREAMS: 4710 { 4711 struct sctp_add_streams *stradd; 4712 uint8_t addstream = 0; 4713 uint16_t add_o_strmcnt = 0; 4714 uint16_t add_i_strmcnt = 0; 4715 4716 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4717 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4718 if (stcb == NULL) { 4719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4720 error = ENOENT; 4721 break; 4722 } 4723 if (stcb->asoc.reconfig_supported == 0) { 4724 /* 4725 * Peer does not support the chunk type. 4726 */ 4727 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4728 error = EOPNOTSUPP; 4729 SCTP_TCB_UNLOCK(stcb); 4730 break; 4731 } 4732 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4734 error = EINVAL; 4735 SCTP_TCB_UNLOCK(stcb); 4736 break; 4737 } 4738 if (stcb->asoc.stream_reset_outstanding) { 4739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4740 error = EALREADY; 4741 SCTP_TCB_UNLOCK(stcb); 4742 break; 4743 } 4744 if ((stradd->sas_outstrms == 0) && 4745 (stradd->sas_instrms == 0)) { 4746 error = EINVAL; 4747 goto skip_stuff; 4748 } 4749 if (stradd->sas_outstrms) { 4750 addstream = 1; 4751 /* We allocate here */ 4752 add_o_strmcnt = stradd->sas_outstrms; 4753 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4754 /* You can't have more than 64k */ 4755 error = EINVAL; 4756 goto skip_stuff; 4757 } 4758 } 4759 if (stradd->sas_instrms) { 4760 int cnt; 4761 4762 addstream |= 2; 4763 /* 4764 * We allocate inside 4765 * sctp_send_str_reset_req() 4766 */ 4767 add_i_strmcnt = stradd->sas_instrms; 4768 cnt = add_i_strmcnt; 4769 cnt += stcb->asoc.streamincnt; 4770 if (cnt > 0x0000ffff) { 4771 /* You can't have more than 64k */ 4772 error = EINVAL; 4773 goto skip_stuff; 4774 } 4775 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4776 /* More than you are allowed */ 4777 error = EINVAL; 4778 goto skip_stuff; 4779 } 4780 } 4781 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4782 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4783 skip_stuff: 4784 SCTP_TCB_UNLOCK(stcb); 4785 break; 4786 } 4787 case SCTP_RESET_ASSOC: 4788 { 4789 int i; 4790 uint32_t *value; 4791 4792 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4793 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4794 if (stcb == NULL) { 4795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4796 error = ENOENT; 4797 break; 4798 } 4799 if (stcb->asoc.reconfig_supported == 0) { 4800 /* 4801 * Peer does not support the chunk type. 4802 */ 4803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4804 error = EOPNOTSUPP; 4805 SCTP_TCB_UNLOCK(stcb); 4806 break; 4807 } 4808 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4810 error = EINVAL; 4811 SCTP_TCB_UNLOCK(stcb); 4812 break; 4813 } 4814 if (stcb->asoc.stream_reset_outstanding) { 4815 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4816 error = EALREADY; 4817 SCTP_TCB_UNLOCK(stcb); 4818 break; 4819 } 4820 /* 4821 * Is there any data pending in the send or sent 4822 * queues? 4823 */ 4824 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4825 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4826 busy_out: 4827 error = EBUSY; 4828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4829 SCTP_TCB_UNLOCK(stcb); 4830 break; 4831 } 4832 /* Do any streams have data queued? */ 4833 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4834 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4835 goto busy_out; 4836 } 4837 } 4838 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4839 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4840 SCTP_TCB_UNLOCK(stcb); 4841 break; 4842 } 4843 case SCTP_CONNECT_X: 4844 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4846 error = EINVAL; 4847 break; 4848 } 4849 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4850 break; 4851 case SCTP_CONNECT_X_DELAYED: 4852 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4854 error = EINVAL; 4855 break; 4856 } 4857 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4858 break; 4859 case SCTP_CONNECT_X_COMPLETE: 4860 { 4861 struct sockaddr *sa; 4862 4863 /* FIXME MT: check correct? */ 4864 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4865 4866 /* find tcb */ 4867 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4868 SCTP_INP_RLOCK(inp); 4869 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4870 if (stcb) { 4871 SCTP_TCB_LOCK(stcb); 4872 } 4873 SCTP_INP_RUNLOCK(inp); 4874 } else { 4875 /* 4876 * We increment here since 4877 * sctp_findassociation_ep_addr() wil do a 4878 * decrement if it finds the stcb as long as 4879 * the locked tcb (last argument) is NOT a 4880 * TCB.. aka NULL. 4881 */ 4882 SCTP_INP_INCR_REF(inp); 4883 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4884 if (stcb == NULL) { 4885 SCTP_INP_DECR_REF(inp); 4886 } 4887 } 4888 4889 if (stcb == NULL) { 4890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4891 error = ENOENT; 4892 break; 4893 } 4894 if (stcb->asoc.delayed_connection == 1) { 4895 stcb->asoc.delayed_connection = 0; 4896 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4897 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4898 stcb->asoc.primary_destination, 4899 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4900 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4901 } else { 4902 /* 4903 * already expired or did not use delayed 4904 * connectx 4905 */ 4906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4907 error = EALREADY; 4908 } 4909 SCTP_TCB_UNLOCK(stcb); 4910 break; 4911 } 4912 case SCTP_MAX_BURST: 4913 { 4914 struct sctp_assoc_value *av; 4915 4916 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4917 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4918 4919 if (stcb) { 4920 stcb->asoc.max_burst = av->assoc_value; 4921 SCTP_TCB_UNLOCK(stcb); 4922 } else { 4923 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4924 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4925 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4926 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4927 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4928 SCTP_INP_WLOCK(inp); 4929 inp->sctp_ep.max_burst = av->assoc_value; 4930 SCTP_INP_WUNLOCK(inp); 4931 } 4932 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4933 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4934 (av->assoc_id == SCTP_ALL_ASSOC))) { 4935 SCTP_INP_RLOCK(inp); 4936 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4937 SCTP_TCB_LOCK(stcb); 4938 stcb->asoc.max_burst = av->assoc_value; 4939 SCTP_TCB_UNLOCK(stcb); 4940 } 4941 SCTP_INP_RUNLOCK(inp); 4942 } 4943 } 4944 break; 4945 } 4946 case SCTP_MAXSEG: 4947 { 4948 struct sctp_assoc_value *av; 4949 4950 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4951 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4952 4953 if (stcb) { 4954 stcb->asoc.sctp_frag_point = av->assoc_value; 4955 SCTP_TCB_UNLOCK(stcb); 4956 } else { 4957 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4958 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4959 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4960 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 4961 SCTP_INP_WLOCK(inp); 4962 inp->sctp_frag_point = av->assoc_value; 4963 SCTP_INP_WUNLOCK(inp); 4964 } else { 4965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4966 error = EINVAL; 4967 } 4968 } 4969 break; 4970 } 4971 case SCTP_EVENTS: 4972 { 4973 struct sctp_event_subscribe *events; 4974 4975 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4976 4977 SCTP_INP_WLOCK(inp); 4978 if (events->sctp_data_io_event) { 4979 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4980 } else { 4981 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4982 } 4983 4984 if (events->sctp_association_event) { 4985 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4986 } else { 4987 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4988 } 4989 4990 if (events->sctp_address_event) { 4991 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4992 } else { 4993 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4994 } 4995 4996 if (events->sctp_send_failure_event) { 4997 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4998 } else { 4999 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5000 } 5001 5002 if (events->sctp_peer_error_event) { 5003 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5004 } else { 5005 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5006 } 5007 5008 if (events->sctp_shutdown_event) { 5009 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5010 } else { 5011 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5012 } 5013 5014 if (events->sctp_partial_delivery_event) { 5015 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5016 } else { 5017 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5018 } 5019 5020 if (events->sctp_adaptation_layer_event) { 5021 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5022 } else { 5023 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5024 } 5025 5026 if (events->sctp_authentication_event) { 5027 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5028 } else { 5029 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5030 } 5031 5032 if (events->sctp_sender_dry_event) { 5033 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5034 } else { 5035 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5036 } 5037 5038 if (events->sctp_stream_reset_event) { 5039 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5040 } else { 5041 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5042 } 5043 5044 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5045 SCTP_TCB_LOCK(stcb); 5046 if (events->sctp_association_event) { 5047 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5048 } else { 5049 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5050 } 5051 if (events->sctp_address_event) { 5052 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5053 } else { 5054 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5055 } 5056 if (events->sctp_send_failure_event) { 5057 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5058 } else { 5059 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5060 } 5061 if (events->sctp_peer_error_event) { 5062 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5063 } else { 5064 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5065 } 5066 if (events->sctp_shutdown_event) { 5067 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5068 } else { 5069 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5070 } 5071 if (events->sctp_partial_delivery_event) { 5072 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5073 } else { 5074 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5075 } 5076 if (events->sctp_adaptation_layer_event) { 5077 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5078 } else { 5079 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5080 } 5081 if (events->sctp_authentication_event) { 5082 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5083 } else { 5084 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5085 } 5086 if (events->sctp_sender_dry_event) { 5087 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5088 } else { 5089 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5090 } 5091 if (events->sctp_stream_reset_event) { 5092 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5093 } else { 5094 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5095 } 5096 SCTP_TCB_UNLOCK(stcb); 5097 } 5098 /* 5099 * Send up the sender dry event only for 1-to-1 5100 * style sockets. 5101 */ 5102 if (events->sctp_sender_dry_event) { 5103 if (((inp->sctp_flags & (SCTP_PCB_FLAGS_TCPTYPE | SCTP_PCB_FLAGS_IN_TCPPOOL)) != 0) && 5104 !SCTP_IS_LISTENING(inp)) { 5105 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5106 if (stcb != NULL) { 5107 SCTP_TCB_LOCK(stcb); 5108 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5109 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5110 (stcb->asoc.stream_queue_cnt == 0)) { 5111 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5112 } 5113 SCTP_TCB_UNLOCK(stcb); 5114 } 5115 } 5116 } 5117 SCTP_INP_WUNLOCK(inp); 5118 break; 5119 } 5120 case SCTP_ADAPTATION_LAYER: 5121 { 5122 struct sctp_setadaptation *adap_bits; 5123 5124 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5125 SCTP_INP_WLOCK(inp); 5126 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5127 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5128 SCTP_INP_WUNLOCK(inp); 5129 break; 5130 } 5131 #ifdef SCTP_DEBUG 5132 case SCTP_SET_INITIAL_DBG_SEQ: 5133 { 5134 uint32_t *vvv; 5135 5136 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5137 SCTP_INP_WLOCK(inp); 5138 inp->sctp_ep.initial_sequence_debug = *vvv; 5139 SCTP_INP_WUNLOCK(inp); 5140 break; 5141 } 5142 #endif 5143 case SCTP_DEFAULT_SEND_PARAM: 5144 { 5145 struct sctp_sndrcvinfo *s_info; 5146 5147 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5148 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5149 5150 if (stcb) { 5151 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5152 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5153 } else { 5154 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5155 error = EINVAL; 5156 } 5157 SCTP_TCB_UNLOCK(stcb); 5158 } else { 5159 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5160 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5161 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5162 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5163 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5164 SCTP_INP_WLOCK(inp); 5165 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5166 SCTP_INP_WUNLOCK(inp); 5167 } 5168 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5169 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5170 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5171 SCTP_INP_RLOCK(inp); 5172 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5173 SCTP_TCB_LOCK(stcb); 5174 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5175 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5176 } 5177 SCTP_TCB_UNLOCK(stcb); 5178 } 5179 SCTP_INP_RUNLOCK(inp); 5180 } 5181 } 5182 break; 5183 } 5184 case SCTP_PEER_ADDR_PARAMS: 5185 { 5186 struct sctp_paddrparams *paddrp; 5187 struct sctp_nets *net; 5188 struct sockaddr *addr; 5189 #if defined(INET) && defined(INET6) 5190 struct sockaddr_in sin_store; 5191 #endif 5192 5193 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5194 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5195 5196 #if defined(INET) && defined(INET6) 5197 if (paddrp->spp_address.ss_family == AF_INET6) { 5198 struct sockaddr_in6 *sin6; 5199 5200 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5201 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5202 in6_sin6_2_sin(&sin_store, sin6); 5203 addr = (struct sockaddr *)&sin_store; 5204 } else { 5205 addr = (struct sockaddr *)&paddrp->spp_address; 5206 } 5207 } else { 5208 addr = (struct sockaddr *)&paddrp->spp_address; 5209 } 5210 #else 5211 addr = (struct sockaddr *)&paddrp->spp_address; 5212 #endif 5213 if (stcb != NULL) { 5214 net = sctp_findnet(stcb, addr); 5215 } else { 5216 /* 5217 * We increment here since 5218 * sctp_findassociation_ep_addr() wil do a 5219 * decrement if it finds the stcb as long as 5220 * the locked tcb (last argument) is NOT a 5221 * TCB.. aka NULL. 5222 */ 5223 net = NULL; 5224 SCTP_INP_INCR_REF(inp); 5225 stcb = sctp_findassociation_ep_addr(&inp, addr, 5226 &net, NULL, NULL); 5227 if (stcb == NULL) { 5228 SCTP_INP_DECR_REF(inp); 5229 } 5230 } 5231 if ((stcb != NULL) && (net == NULL)) { 5232 #ifdef INET 5233 if (addr->sa_family == AF_INET) { 5234 struct sockaddr_in *sin; 5235 5236 sin = (struct sockaddr_in *)addr; 5237 if (sin->sin_addr.s_addr != INADDR_ANY) { 5238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5239 SCTP_TCB_UNLOCK(stcb); 5240 error = EINVAL; 5241 break; 5242 } 5243 } else 5244 #endif 5245 #ifdef INET6 5246 if (addr->sa_family == AF_INET6) { 5247 struct sockaddr_in6 *sin6; 5248 5249 sin6 = (struct sockaddr_in6 *)addr; 5250 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5251 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5252 SCTP_TCB_UNLOCK(stcb); 5253 error = EINVAL; 5254 break; 5255 } 5256 } else 5257 #endif 5258 { 5259 error = EAFNOSUPPORT; 5260 SCTP_TCB_UNLOCK(stcb); 5261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5262 break; 5263 } 5264 } 5265 /* sanity checks */ 5266 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5267 if (stcb) 5268 SCTP_TCB_UNLOCK(stcb); 5269 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5270 return (EINVAL); 5271 } 5272 5273 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5274 if (stcb) 5275 SCTP_TCB_UNLOCK(stcb); 5276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5277 return (EINVAL); 5278 } 5279 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5280 (paddrp->spp_pathmtu > 0) && 5281 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5282 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5283 if (stcb) 5284 SCTP_TCB_UNLOCK(stcb); 5285 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5286 return (EINVAL); 5287 } 5288 5289 if (stcb != NULL) { 5290 /************************TCB SPECIFIC SET ******************/ 5291 if (net != NULL) { 5292 /************************NET SPECIFIC SET ******************/ 5293 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5294 if (((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) && 5295 ((net->dest_state & SCTP_ADDR_NOHB) == 0)) { 5296 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5297 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5298 } 5299 net->dest_state |= SCTP_ADDR_NOHB; 5300 } 5301 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5302 if (paddrp->spp_hbinterval) { 5303 net->heart_beat_delay = paddrp->spp_hbinterval; 5304 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5305 net->heart_beat_delay = 0; 5306 } 5307 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5308 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5309 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5310 net->dest_state &= ~SCTP_ADDR_NOHB; 5311 } 5312 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5313 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5314 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5315 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5316 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5317 } 5318 } 5319 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5320 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5321 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5322 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5323 } 5324 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5325 if (paddrp->spp_pathmtu > 0) { 5326 net->mtu = paddrp->spp_pathmtu; 5327 switch (net->ro._l_addr.sa.sa_family) { 5328 #ifdef INET 5329 case AF_INET: 5330 net->mtu += SCTP_MIN_V4_OVERHEAD; 5331 break; 5332 #endif 5333 #ifdef INET6 5334 case AF_INET6: 5335 net->mtu += SCTP_MIN_OVERHEAD; 5336 break; 5337 #endif 5338 default: 5339 break; 5340 } 5341 if (net->mtu < stcb->asoc.smallest_mtu) { 5342 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5343 } 5344 } 5345 } 5346 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5347 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5348 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5349 } 5350 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5351 } 5352 if (paddrp->spp_pathmaxrxt > 0) { 5353 if (net->dest_state & SCTP_ADDR_PF) { 5354 if (net->error_count > paddrp->spp_pathmaxrxt) { 5355 net->dest_state &= ~SCTP_ADDR_PF; 5356 } 5357 } else { 5358 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5359 (net->error_count > net->pf_threshold)) { 5360 net->dest_state |= SCTP_ADDR_PF; 5361 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5362 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5363 stcb->sctp_ep, stcb, net, 5364 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5365 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5366 } 5367 } 5368 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5369 if (net->error_count > paddrp->spp_pathmaxrxt) { 5370 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5371 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5372 } 5373 } else { 5374 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5375 net->dest_state |= SCTP_ADDR_REACHABLE; 5376 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5377 } 5378 } 5379 net->failure_threshold = paddrp->spp_pathmaxrxt; 5380 } 5381 if (paddrp->spp_flags & SPP_DSCP) { 5382 net->dscp = paddrp->spp_dscp & 0xfc; 5383 net->dscp |= 0x01; 5384 } 5385 #ifdef INET6 5386 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5387 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5388 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5389 net->flowlabel |= 0x80000000; 5390 } 5391 } 5392 #endif 5393 } else { 5394 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5395 if (paddrp->spp_pathmaxrxt > 0) { 5396 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5397 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5398 if (net->dest_state & SCTP_ADDR_PF) { 5399 if (net->error_count > paddrp->spp_pathmaxrxt) { 5400 net->dest_state &= ~SCTP_ADDR_PF; 5401 } 5402 } else { 5403 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5404 (net->error_count > net->pf_threshold)) { 5405 net->dest_state |= SCTP_ADDR_PF; 5406 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5407 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5408 stcb->sctp_ep, stcb, net, 5409 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5410 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5411 } 5412 } 5413 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5414 if (net->error_count > paddrp->spp_pathmaxrxt) { 5415 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5416 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5417 } 5418 } else { 5419 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5420 net->dest_state |= SCTP_ADDR_REACHABLE; 5421 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5422 } 5423 } 5424 net->failure_threshold = paddrp->spp_pathmaxrxt; 5425 } 5426 } 5427 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5428 if (paddrp->spp_hbinterval != 0) { 5429 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5430 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5431 stcb->asoc.heart_beat_delay = 0; 5432 } 5433 /* Turn back on the timer */ 5434 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5435 if (paddrp->spp_hbinterval != 0) { 5436 net->heart_beat_delay = paddrp->spp_hbinterval; 5437 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5438 net->heart_beat_delay = 0; 5439 } 5440 if (net->dest_state & SCTP_ADDR_NOHB) { 5441 net->dest_state &= ~SCTP_ADDR_NOHB; 5442 } 5443 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5444 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5445 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5446 } 5447 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5448 } 5449 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5450 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5451 if ((net->dest_state & SCTP_ADDR_NOHB) == 0) { 5452 net->dest_state |= SCTP_ADDR_NOHB; 5453 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5454 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5455 inp, stcb, net, 5456 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5457 } 5458 } 5459 } 5460 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5461 } 5462 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5463 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5464 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5465 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5466 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5467 } 5468 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5469 if (paddrp->spp_pathmtu > 0) { 5470 net->mtu = paddrp->spp_pathmtu; 5471 switch (net->ro._l_addr.sa.sa_family) { 5472 #ifdef INET 5473 case AF_INET: 5474 net->mtu += SCTP_MIN_V4_OVERHEAD; 5475 break; 5476 #endif 5477 #ifdef INET6 5478 case AF_INET6: 5479 net->mtu += SCTP_MIN_OVERHEAD; 5480 break; 5481 #endif 5482 default: 5483 break; 5484 } 5485 if (net->mtu < stcb->asoc.smallest_mtu) { 5486 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5487 } 5488 } 5489 } 5490 if (paddrp->spp_pathmtu > 0) { 5491 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5492 } 5493 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5494 } 5495 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5496 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5497 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5498 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5499 } 5500 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5501 } 5502 stcb->asoc.default_mtu = 0; 5503 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5504 } 5505 if (paddrp->spp_flags & SPP_DSCP) { 5506 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5507 net->dscp = paddrp->spp_dscp & 0xfc; 5508 net->dscp |= 0x01; 5509 } 5510 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5511 stcb->asoc.default_dscp |= 0x01; 5512 } 5513 #ifdef INET6 5514 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5515 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5516 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5517 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5518 net->flowlabel |= 0x80000000; 5519 } 5520 } 5521 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5522 stcb->asoc.default_flowlabel |= 0x80000000; 5523 } 5524 #endif 5525 } 5526 SCTP_TCB_UNLOCK(stcb); 5527 } else { 5528 /************************NO TCB, SET TO default stuff ******************/ 5529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5530 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5531 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5532 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5533 SCTP_INP_WLOCK(inp); 5534 /* 5535 * For the TOS/FLOWLABEL stuff you 5536 * set it with the options on the 5537 * socket 5538 */ 5539 if (paddrp->spp_pathmaxrxt > 0) { 5540 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5541 } 5542 5543 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5544 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5545 else if (paddrp->spp_hbinterval != 0) { 5546 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5547 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5548 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5549 } 5550 5551 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5552 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5553 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5554 } else if (paddrp->spp_hbinterval) { 5555 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5556 } 5557 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5558 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5559 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5560 } 5561 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5562 inp->sctp_ep.default_mtu = 0; 5563 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5564 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5565 if (paddrp->spp_pathmtu > 0) { 5566 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5567 } 5568 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5569 } 5570 if (paddrp->spp_flags & SPP_DSCP) { 5571 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5572 inp->sctp_ep.default_dscp |= 0x01; 5573 } 5574 #ifdef INET6 5575 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5576 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5577 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5578 inp->sctp_ep.default_flowlabel |= 0x80000000; 5579 } 5580 } 5581 #endif 5582 SCTP_INP_WUNLOCK(inp); 5583 } else { 5584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5585 error = EINVAL; 5586 } 5587 } 5588 break; 5589 } 5590 case SCTP_RTOINFO: 5591 { 5592 struct sctp_rtoinfo *srto; 5593 uint32_t new_init, new_min, new_max; 5594 5595 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5596 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5597 5598 if (stcb) { 5599 if (srto->srto_initial) 5600 new_init = srto->srto_initial; 5601 else 5602 new_init = stcb->asoc.initial_rto; 5603 if (srto->srto_max) 5604 new_max = srto->srto_max; 5605 else 5606 new_max = stcb->asoc.maxrto; 5607 if (srto->srto_min) 5608 new_min = srto->srto_min; 5609 else 5610 new_min = stcb->asoc.minrto; 5611 if ((new_min <= new_init) && (new_init <= new_max)) { 5612 stcb->asoc.initial_rto = new_init; 5613 stcb->asoc.maxrto = new_max; 5614 stcb->asoc.minrto = new_min; 5615 } else { 5616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5617 error = EINVAL; 5618 } 5619 SCTP_TCB_UNLOCK(stcb); 5620 } else { 5621 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5622 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5623 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5624 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5625 SCTP_INP_WLOCK(inp); 5626 if (srto->srto_initial) 5627 new_init = srto->srto_initial; 5628 else 5629 new_init = inp->sctp_ep.initial_rto; 5630 if (srto->srto_max) 5631 new_max = srto->srto_max; 5632 else 5633 new_max = inp->sctp_ep.sctp_maxrto; 5634 if (srto->srto_min) 5635 new_min = srto->srto_min; 5636 else 5637 new_min = inp->sctp_ep.sctp_minrto; 5638 if ((new_min <= new_init) && (new_init <= new_max)) { 5639 inp->sctp_ep.initial_rto = new_init; 5640 inp->sctp_ep.sctp_maxrto = new_max; 5641 inp->sctp_ep.sctp_minrto = new_min; 5642 } else { 5643 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5644 error = EINVAL; 5645 } 5646 SCTP_INP_WUNLOCK(inp); 5647 } else { 5648 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5649 error = EINVAL; 5650 } 5651 } 5652 break; 5653 } 5654 case SCTP_ASSOCINFO: 5655 { 5656 struct sctp_assocparams *sasoc; 5657 5658 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5659 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5660 if (sasoc->sasoc_cookie_life > 0) { 5661 /* boundary check the cookie life */ 5662 if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) { 5663 sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE; 5664 } 5665 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5666 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5667 } 5668 } 5669 if (stcb) { 5670 if (sasoc->sasoc_asocmaxrxt > 0) { 5671 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5672 } 5673 if (sasoc->sasoc_cookie_life > 0) { 5674 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5675 } 5676 SCTP_TCB_UNLOCK(stcb); 5677 } else { 5678 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5679 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5680 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5681 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5682 SCTP_INP_WLOCK(inp); 5683 if (sasoc->sasoc_asocmaxrxt > 0) { 5684 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5685 } 5686 if (sasoc->sasoc_cookie_life > 0) { 5687 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5688 } 5689 SCTP_INP_WUNLOCK(inp); 5690 } else { 5691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5692 error = EINVAL; 5693 } 5694 } 5695 break; 5696 } 5697 case SCTP_INITMSG: 5698 { 5699 struct sctp_initmsg *sinit; 5700 5701 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5702 SCTP_INP_WLOCK(inp); 5703 if (sinit->sinit_num_ostreams) 5704 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5705 5706 if (sinit->sinit_max_instreams) 5707 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5708 5709 if (sinit->sinit_max_attempts) 5710 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5711 5712 if (sinit->sinit_max_init_timeo) 5713 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5714 SCTP_INP_WUNLOCK(inp); 5715 break; 5716 } 5717 case SCTP_PRIMARY_ADDR: 5718 { 5719 struct sctp_setprim *spa; 5720 struct sctp_nets *net; 5721 struct sockaddr *addr; 5722 #if defined(INET) && defined(INET6) 5723 struct sockaddr_in sin_store; 5724 #endif 5725 5726 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5727 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5728 5729 #if defined(INET) && defined(INET6) 5730 if (spa->ssp_addr.ss_family == AF_INET6) { 5731 struct sockaddr_in6 *sin6; 5732 5733 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5734 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5735 in6_sin6_2_sin(&sin_store, sin6); 5736 addr = (struct sockaddr *)&sin_store; 5737 } else { 5738 addr = (struct sockaddr *)&spa->ssp_addr; 5739 } 5740 } else { 5741 addr = (struct sockaddr *)&spa->ssp_addr; 5742 } 5743 #else 5744 addr = (struct sockaddr *)&spa->ssp_addr; 5745 #endif 5746 if (stcb != NULL) { 5747 net = sctp_findnet(stcb, addr); 5748 } else { 5749 /* 5750 * We increment here since 5751 * sctp_findassociation_ep_addr() wil do a 5752 * decrement if it finds the stcb as long as 5753 * the locked tcb (last argument) is NOT a 5754 * TCB.. aka NULL. 5755 */ 5756 net = NULL; 5757 SCTP_INP_INCR_REF(inp); 5758 stcb = sctp_findassociation_ep_addr(&inp, addr, 5759 &net, NULL, NULL); 5760 if (stcb == NULL) { 5761 SCTP_INP_DECR_REF(inp); 5762 } 5763 } 5764 5765 if ((stcb != NULL) && (net != NULL)) { 5766 if (net != stcb->asoc.primary_destination) { 5767 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5768 /* Ok we need to set it */ 5769 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5770 if ((stcb->asoc.alternate) && 5771 ((net->dest_state & SCTP_ADDR_PF) == 0) && 5772 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5773 sctp_free_remote_addr(stcb->asoc.alternate); 5774 stcb->asoc.alternate = NULL; 5775 } 5776 } else { 5777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5778 error = EINVAL; 5779 } 5780 } else { 5781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5782 error = EINVAL; 5783 } 5784 } 5785 } else { 5786 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5787 error = EINVAL; 5788 } 5789 if (stcb != NULL) { 5790 SCTP_TCB_UNLOCK(stcb); 5791 } 5792 break; 5793 } 5794 case SCTP_SET_DYNAMIC_PRIMARY: 5795 { 5796 union sctp_sockstore *ss; 5797 5798 error = priv_check(curthread, 5799 PRIV_NETINET_RESERVEDPORT); 5800 if (error) 5801 break; 5802 5803 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5804 /* SUPER USER CHECK? */ 5805 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5806 break; 5807 } 5808 case SCTP_SET_PEER_PRIMARY_ADDR: 5809 { 5810 struct sctp_setpeerprim *sspp; 5811 struct sockaddr *addr; 5812 #if defined(INET) && defined(INET6) 5813 struct sockaddr_in sin_store; 5814 #endif 5815 5816 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5817 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5818 if (stcb != NULL) { 5819 struct sctp_ifa *ifa; 5820 5821 #if defined(INET) && defined(INET6) 5822 if (sspp->sspp_addr.ss_family == AF_INET6) { 5823 struct sockaddr_in6 *sin6; 5824 5825 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5826 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5827 in6_sin6_2_sin(&sin_store, sin6); 5828 addr = (struct sockaddr *)&sin_store; 5829 } else { 5830 addr = (struct sockaddr *)&sspp->sspp_addr; 5831 } 5832 } else { 5833 addr = (struct sockaddr *)&sspp->sspp_addr; 5834 } 5835 #else 5836 addr = (struct sockaddr *)&sspp->sspp_addr; 5837 #endif 5838 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5839 if (ifa == NULL) { 5840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5841 error = EINVAL; 5842 goto out_of_it; 5843 } 5844 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5845 /* 5846 * Must validate the ifa found is in 5847 * our ep 5848 */ 5849 struct sctp_laddr *laddr; 5850 int found = 0; 5851 5852 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5853 if (laddr->ifa == NULL) { 5854 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5855 __func__); 5856 continue; 5857 } 5858 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5859 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5860 continue; 5861 } 5862 if (laddr->ifa == ifa) { 5863 found = 1; 5864 break; 5865 } 5866 } 5867 if (!found) { 5868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5869 error = EINVAL; 5870 goto out_of_it; 5871 } 5872 } else { 5873 switch (addr->sa_family) { 5874 #ifdef INET 5875 case AF_INET: 5876 { 5877 struct sockaddr_in *sin; 5878 5879 sin = (struct sockaddr_in *)addr; 5880 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5881 &sin->sin_addr) != 0) { 5882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5883 error = EINVAL; 5884 goto out_of_it; 5885 } 5886 break; 5887 } 5888 #endif 5889 #ifdef INET6 5890 case AF_INET6: 5891 { 5892 struct sockaddr_in6 *sin6; 5893 5894 sin6 = (struct sockaddr_in6 *)addr; 5895 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5896 &sin6->sin6_addr) != 0) { 5897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5898 error = EINVAL; 5899 goto out_of_it; 5900 } 5901 break; 5902 } 5903 #endif 5904 default: 5905 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5906 error = EINVAL; 5907 goto out_of_it; 5908 } 5909 } 5910 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5912 error = EINVAL; 5913 } 5914 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5915 out_of_it: 5916 SCTP_TCB_UNLOCK(stcb); 5917 } else { 5918 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5919 error = EINVAL; 5920 } 5921 break; 5922 } 5923 case SCTP_BINDX_ADD_ADDR: 5924 { 5925 struct sockaddr *sa; 5926 struct thread *td; 5927 5928 td = (struct thread *)p; 5929 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5930 #ifdef INET 5931 if (sa->sa_family == AF_INET) { 5932 if (optsize < sizeof(struct sockaddr_in)) { 5933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5934 error = EINVAL; 5935 break; 5936 } 5937 if (td != NULL && 5938 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5939 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5940 break; 5941 } 5942 } else 5943 #endif 5944 #ifdef INET6 5945 if (sa->sa_family == AF_INET6) { 5946 if (optsize < sizeof(struct sockaddr_in6)) { 5947 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5948 error = EINVAL; 5949 break; 5950 } 5951 if (td != NULL && 5952 (error = prison_local_ip6(td->td_ucred, 5953 &(((struct sockaddr_in6 *)sa)->sin6_addr), 5954 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5955 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5956 break; 5957 } 5958 } else 5959 #endif 5960 { 5961 error = EAFNOSUPPORT; 5962 break; 5963 } 5964 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 5965 break; 5966 } 5967 case SCTP_BINDX_REM_ADDR: 5968 { 5969 struct sockaddr *sa; 5970 struct thread *td; 5971 5972 td = (struct thread *)p; 5973 5974 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5975 #ifdef INET 5976 if (sa->sa_family == AF_INET) { 5977 if (optsize < sizeof(struct sockaddr_in)) { 5978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5979 error = EINVAL; 5980 break; 5981 } 5982 if (td != NULL && 5983 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5984 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5985 break; 5986 } 5987 } else 5988 #endif 5989 #ifdef INET6 5990 if (sa->sa_family == AF_INET6) { 5991 if (optsize < sizeof(struct sockaddr_in6)) { 5992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5993 error = EINVAL; 5994 break; 5995 } 5996 if (td != NULL && 5997 (error = prison_local_ip6(td->td_ucred, 5998 &(((struct sockaddr_in6 *)sa)->sin6_addr), 5999 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6000 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6001 break; 6002 } 6003 } else 6004 #endif 6005 { 6006 error = EAFNOSUPPORT; 6007 break; 6008 } 6009 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6010 break; 6011 } 6012 case SCTP_EVENT: 6013 { 6014 struct sctp_event *event; 6015 uint32_t event_type; 6016 6017 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6018 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6019 switch (event->se_type) { 6020 case SCTP_ASSOC_CHANGE: 6021 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6022 break; 6023 case SCTP_PEER_ADDR_CHANGE: 6024 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6025 break; 6026 case SCTP_REMOTE_ERROR: 6027 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6028 break; 6029 case SCTP_SEND_FAILED: 6030 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6031 break; 6032 case SCTP_SHUTDOWN_EVENT: 6033 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6034 break; 6035 case SCTP_ADAPTATION_INDICATION: 6036 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6037 break; 6038 case SCTP_PARTIAL_DELIVERY_EVENT: 6039 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6040 break; 6041 case SCTP_AUTHENTICATION_EVENT: 6042 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6043 break; 6044 case SCTP_STREAM_RESET_EVENT: 6045 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6046 break; 6047 case SCTP_SENDER_DRY_EVENT: 6048 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6049 break; 6050 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6051 event_type = 0; 6052 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6053 error = ENOTSUP; 6054 break; 6055 case SCTP_ASSOC_RESET_EVENT: 6056 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6057 break; 6058 case SCTP_STREAM_CHANGE_EVENT: 6059 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6060 break; 6061 case SCTP_SEND_FAILED_EVENT: 6062 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6063 break; 6064 default: 6065 event_type = 0; 6066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6067 error = EINVAL; 6068 break; 6069 } 6070 if (event_type > 0) { 6071 if (stcb) { 6072 if (event->se_on) { 6073 sctp_stcb_feature_on(inp, stcb, event_type); 6074 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6075 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6076 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6077 (stcb->asoc.stream_queue_cnt == 0)) { 6078 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6079 } 6080 } 6081 } else { 6082 sctp_stcb_feature_off(inp, stcb, event_type); 6083 } 6084 SCTP_TCB_UNLOCK(stcb); 6085 } else { 6086 /* 6087 * We don't want to send up a storm 6088 * of events, so return an error for 6089 * sender dry events 6090 */ 6091 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6092 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6093 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6094 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6095 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6096 error = ENOTSUP; 6097 break; 6098 } 6099 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6100 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6101 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6102 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6103 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6104 SCTP_INP_WLOCK(inp); 6105 if (event->se_on) { 6106 sctp_feature_on(inp, event_type); 6107 } else { 6108 sctp_feature_off(inp, event_type); 6109 } 6110 SCTP_INP_WUNLOCK(inp); 6111 } 6112 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6113 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6114 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6115 SCTP_INP_RLOCK(inp); 6116 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6117 SCTP_TCB_LOCK(stcb); 6118 if (event->se_on) { 6119 sctp_stcb_feature_on(inp, stcb, event_type); 6120 } else { 6121 sctp_stcb_feature_off(inp, stcb, event_type); 6122 } 6123 SCTP_TCB_UNLOCK(stcb); 6124 } 6125 SCTP_INP_RUNLOCK(inp); 6126 } 6127 } 6128 } else { 6129 if (stcb) { 6130 SCTP_TCB_UNLOCK(stcb); 6131 } 6132 } 6133 break; 6134 } 6135 case SCTP_RECVRCVINFO: 6136 { 6137 int *onoff; 6138 6139 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6140 SCTP_INP_WLOCK(inp); 6141 if (*onoff != 0) { 6142 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6143 } else { 6144 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6145 } 6146 SCTP_INP_WUNLOCK(inp); 6147 break; 6148 } 6149 case SCTP_RECVNXTINFO: 6150 { 6151 int *onoff; 6152 6153 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6154 SCTP_INP_WLOCK(inp); 6155 if (*onoff != 0) { 6156 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6157 } else { 6158 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6159 } 6160 SCTP_INP_WUNLOCK(inp); 6161 break; 6162 } 6163 case SCTP_DEFAULT_SNDINFO: 6164 { 6165 struct sctp_sndinfo *info; 6166 uint16_t policy; 6167 6168 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6169 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6170 6171 if (stcb) { 6172 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6173 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6174 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6175 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6176 stcb->asoc.def_send.sinfo_flags |= policy; 6177 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6178 stcb->asoc.def_send.sinfo_context = info->snd_context; 6179 } else { 6180 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6181 error = EINVAL; 6182 } 6183 SCTP_TCB_UNLOCK(stcb); 6184 } else { 6185 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6186 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6187 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6188 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6189 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6190 SCTP_INP_WLOCK(inp); 6191 inp->def_send.sinfo_stream = info->snd_sid; 6192 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6193 inp->def_send.sinfo_flags = info->snd_flags; 6194 inp->def_send.sinfo_flags |= policy; 6195 inp->def_send.sinfo_ppid = info->snd_ppid; 6196 inp->def_send.sinfo_context = info->snd_context; 6197 SCTP_INP_WUNLOCK(inp); 6198 } 6199 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6200 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6201 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6202 SCTP_INP_RLOCK(inp); 6203 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6204 SCTP_TCB_LOCK(stcb); 6205 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6206 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6207 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6208 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6209 stcb->asoc.def_send.sinfo_flags |= policy; 6210 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6211 stcb->asoc.def_send.sinfo_context = info->snd_context; 6212 } 6213 SCTP_TCB_UNLOCK(stcb); 6214 } 6215 SCTP_INP_RUNLOCK(inp); 6216 } 6217 } 6218 break; 6219 } 6220 case SCTP_DEFAULT_PRINFO: 6221 { 6222 struct sctp_default_prinfo *info; 6223 6224 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6225 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6226 6227 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6228 if (stcb) { 6229 SCTP_TCB_UNLOCK(stcb); 6230 } 6231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6232 error = EINVAL; 6233 break; 6234 } 6235 if (stcb) { 6236 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6237 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6238 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6239 SCTP_TCB_UNLOCK(stcb); 6240 } else { 6241 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6242 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6243 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6244 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6245 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6246 SCTP_INP_WLOCK(inp); 6247 inp->def_send.sinfo_flags &= 0xfff0; 6248 inp->def_send.sinfo_flags |= info->pr_policy; 6249 inp->def_send.sinfo_timetolive = info->pr_value; 6250 SCTP_INP_WUNLOCK(inp); 6251 } 6252 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6253 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6254 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6255 SCTP_INP_RLOCK(inp); 6256 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6257 SCTP_TCB_LOCK(stcb); 6258 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6259 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6260 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6261 SCTP_TCB_UNLOCK(stcb); 6262 } 6263 SCTP_INP_RUNLOCK(inp); 6264 } 6265 } 6266 break; 6267 } 6268 case SCTP_PEER_ADDR_THLDS: 6269 /* Applies to the specific association */ 6270 { 6271 struct sctp_paddrthlds *thlds; 6272 struct sctp_nets *net; 6273 struct sockaddr *addr; 6274 #if defined(INET) && defined(INET6) 6275 struct sockaddr_in sin_store; 6276 #endif 6277 6278 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6279 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6280 6281 #if defined(INET) && defined(INET6) 6282 if (thlds->spt_address.ss_family == AF_INET6) { 6283 struct sockaddr_in6 *sin6; 6284 6285 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6286 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6287 in6_sin6_2_sin(&sin_store, sin6); 6288 addr = (struct sockaddr *)&sin_store; 6289 } else { 6290 addr = (struct sockaddr *)&thlds->spt_address; 6291 } 6292 } else { 6293 addr = (struct sockaddr *)&thlds->spt_address; 6294 } 6295 #else 6296 addr = (struct sockaddr *)&thlds->spt_address; 6297 #endif 6298 if (stcb != NULL) { 6299 net = sctp_findnet(stcb, addr); 6300 } else { 6301 /* 6302 * We increment here since 6303 * sctp_findassociation_ep_addr() wil do a 6304 * decrement if it finds the stcb as long as 6305 * the locked tcb (last argument) is NOT a 6306 * TCB.. aka NULL. 6307 */ 6308 net = NULL; 6309 SCTP_INP_INCR_REF(inp); 6310 stcb = sctp_findassociation_ep_addr(&inp, addr, 6311 &net, NULL, NULL); 6312 if (stcb == NULL) { 6313 SCTP_INP_DECR_REF(inp); 6314 } 6315 } 6316 if ((stcb != NULL) && (net == NULL)) { 6317 #ifdef INET 6318 if (addr->sa_family == AF_INET) { 6319 struct sockaddr_in *sin; 6320 6321 sin = (struct sockaddr_in *)addr; 6322 if (sin->sin_addr.s_addr != INADDR_ANY) { 6323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6324 SCTP_TCB_UNLOCK(stcb); 6325 error = EINVAL; 6326 break; 6327 } 6328 } else 6329 #endif 6330 #ifdef INET6 6331 if (addr->sa_family == AF_INET6) { 6332 struct sockaddr_in6 *sin6; 6333 6334 sin6 = (struct sockaddr_in6 *)addr; 6335 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6336 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6337 SCTP_TCB_UNLOCK(stcb); 6338 error = EINVAL; 6339 break; 6340 } 6341 } else 6342 #endif 6343 { 6344 error = EAFNOSUPPORT; 6345 SCTP_TCB_UNLOCK(stcb); 6346 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6347 break; 6348 } 6349 } 6350 if (thlds->spt_pathcpthld != 0xffff) { 6351 if (stcb != NULL) { 6352 SCTP_TCB_UNLOCK(stcb); 6353 } 6354 error = EINVAL; 6355 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6356 break; 6357 } 6358 if (stcb != NULL) { 6359 if (net != NULL) { 6360 net->failure_threshold = thlds->spt_pathmaxrxt; 6361 net->pf_threshold = thlds->spt_pathpfthld; 6362 if (net->dest_state & SCTP_ADDR_PF) { 6363 if ((net->error_count > net->failure_threshold) || 6364 (net->error_count <= net->pf_threshold)) { 6365 net->dest_state &= ~SCTP_ADDR_PF; 6366 } 6367 } else { 6368 if ((net->error_count > net->pf_threshold) && 6369 (net->error_count <= net->failure_threshold)) { 6370 net->dest_state |= SCTP_ADDR_PF; 6371 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6372 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6373 stcb->sctp_ep, stcb, net, 6374 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6375 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6376 } 6377 } 6378 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6379 if (net->error_count > net->failure_threshold) { 6380 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6381 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6382 } 6383 } else { 6384 if (net->error_count <= net->failure_threshold) { 6385 net->dest_state |= SCTP_ADDR_REACHABLE; 6386 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6387 } 6388 } 6389 } else { 6390 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6391 net->failure_threshold = thlds->spt_pathmaxrxt; 6392 net->pf_threshold = thlds->spt_pathpfthld; 6393 if (net->dest_state & SCTP_ADDR_PF) { 6394 if ((net->error_count > net->failure_threshold) || 6395 (net->error_count <= net->pf_threshold)) { 6396 net->dest_state &= ~SCTP_ADDR_PF; 6397 } 6398 } else { 6399 if ((net->error_count > net->pf_threshold) && 6400 (net->error_count <= net->failure_threshold)) { 6401 net->dest_state |= SCTP_ADDR_PF; 6402 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6403 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6404 stcb->sctp_ep, stcb, net, 6405 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6406 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6407 } 6408 } 6409 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6410 if (net->error_count > net->failure_threshold) { 6411 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6412 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6413 } 6414 } else { 6415 if (net->error_count <= net->failure_threshold) { 6416 net->dest_state |= SCTP_ADDR_REACHABLE; 6417 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6418 } 6419 } 6420 } 6421 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6422 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6423 } 6424 SCTP_TCB_UNLOCK(stcb); 6425 } else { 6426 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6427 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6428 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6429 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6430 SCTP_INP_WLOCK(inp); 6431 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6432 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6433 SCTP_INP_WUNLOCK(inp); 6434 } else { 6435 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6436 error = EINVAL; 6437 } 6438 } 6439 break; 6440 } 6441 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6442 { 6443 struct sctp_udpencaps *encaps; 6444 struct sctp_nets *net; 6445 struct sockaddr *addr; 6446 #if defined(INET) && defined(INET6) 6447 struct sockaddr_in sin_store; 6448 #endif 6449 6450 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6451 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6452 6453 #if defined(INET) && defined(INET6) 6454 if (encaps->sue_address.ss_family == AF_INET6) { 6455 struct sockaddr_in6 *sin6; 6456 6457 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6458 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6459 in6_sin6_2_sin(&sin_store, sin6); 6460 addr = (struct sockaddr *)&sin_store; 6461 } else { 6462 addr = (struct sockaddr *)&encaps->sue_address; 6463 } 6464 } else { 6465 addr = (struct sockaddr *)&encaps->sue_address; 6466 } 6467 #else 6468 addr = (struct sockaddr *)&encaps->sue_address; 6469 #endif 6470 if (stcb != NULL) { 6471 net = sctp_findnet(stcb, addr); 6472 } else { 6473 /* 6474 * We increment here since 6475 * sctp_findassociation_ep_addr() wil do a 6476 * decrement if it finds the stcb as long as 6477 * the locked tcb (last argument) is NOT a 6478 * TCB.. aka NULL. 6479 */ 6480 net = NULL; 6481 SCTP_INP_INCR_REF(inp); 6482 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6483 if (stcb == NULL) { 6484 SCTP_INP_DECR_REF(inp); 6485 } 6486 } 6487 if ((stcb != NULL) && (net == NULL)) { 6488 #ifdef INET 6489 if (addr->sa_family == AF_INET) { 6490 struct sockaddr_in *sin; 6491 6492 sin = (struct sockaddr_in *)addr; 6493 if (sin->sin_addr.s_addr != INADDR_ANY) { 6494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6495 SCTP_TCB_UNLOCK(stcb); 6496 error = EINVAL; 6497 break; 6498 } 6499 } else 6500 #endif 6501 #ifdef INET6 6502 if (addr->sa_family == AF_INET6) { 6503 struct sockaddr_in6 *sin6; 6504 6505 sin6 = (struct sockaddr_in6 *)addr; 6506 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6508 SCTP_TCB_UNLOCK(stcb); 6509 error = EINVAL; 6510 break; 6511 } 6512 } else 6513 #endif 6514 { 6515 error = EAFNOSUPPORT; 6516 SCTP_TCB_UNLOCK(stcb); 6517 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6518 break; 6519 } 6520 } 6521 6522 if (stcb != NULL) { 6523 if (net != NULL) { 6524 net->port = encaps->sue_port; 6525 } else { 6526 stcb->asoc.port = encaps->sue_port; 6527 } 6528 SCTP_TCB_UNLOCK(stcb); 6529 } else { 6530 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6531 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6532 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6533 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6534 SCTP_INP_WLOCK(inp); 6535 inp->sctp_ep.port = encaps->sue_port; 6536 SCTP_INP_WUNLOCK(inp); 6537 } else { 6538 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6539 error = EINVAL; 6540 } 6541 } 6542 break; 6543 } 6544 case SCTP_ECN_SUPPORTED: 6545 { 6546 struct sctp_assoc_value *av; 6547 6548 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6549 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6550 6551 if (stcb) { 6552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6553 error = EINVAL; 6554 SCTP_TCB_UNLOCK(stcb); 6555 } else { 6556 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6557 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6558 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6559 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6560 SCTP_INP_WLOCK(inp); 6561 if (av->assoc_value == 0) { 6562 inp->ecn_supported = 0; 6563 } else { 6564 inp->ecn_supported = 1; 6565 } 6566 SCTP_INP_WUNLOCK(inp); 6567 } else { 6568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6569 error = EINVAL; 6570 } 6571 } 6572 break; 6573 } 6574 case SCTP_PR_SUPPORTED: 6575 { 6576 struct sctp_assoc_value *av; 6577 6578 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6579 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6580 6581 if (stcb) { 6582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6583 error = EINVAL; 6584 SCTP_TCB_UNLOCK(stcb); 6585 } else { 6586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6588 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6589 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6590 SCTP_INP_WLOCK(inp); 6591 if (av->assoc_value == 0) { 6592 inp->prsctp_supported = 0; 6593 } else { 6594 inp->prsctp_supported = 1; 6595 } 6596 SCTP_INP_WUNLOCK(inp); 6597 } else { 6598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6599 error = EINVAL; 6600 } 6601 } 6602 break; 6603 } 6604 case SCTP_AUTH_SUPPORTED: 6605 { 6606 struct sctp_assoc_value *av; 6607 6608 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6609 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6610 6611 if (stcb) { 6612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6613 error = EINVAL; 6614 SCTP_TCB_UNLOCK(stcb); 6615 } else { 6616 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6617 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6618 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6619 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6620 if ((av->assoc_value == 0) && 6621 (inp->asconf_supported == 1)) { 6622 /* 6623 * AUTH is required for 6624 * ASCONF 6625 */ 6626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6627 error = EINVAL; 6628 } else { 6629 SCTP_INP_WLOCK(inp); 6630 if (av->assoc_value == 0) { 6631 inp->auth_supported = 0; 6632 } else { 6633 inp->auth_supported = 1; 6634 } 6635 SCTP_INP_WUNLOCK(inp); 6636 } 6637 } else { 6638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6639 error = EINVAL; 6640 } 6641 } 6642 break; 6643 } 6644 case SCTP_ASCONF_SUPPORTED: 6645 { 6646 struct sctp_assoc_value *av; 6647 6648 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6649 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6650 6651 if (stcb) { 6652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6653 error = EINVAL; 6654 SCTP_TCB_UNLOCK(stcb); 6655 } else { 6656 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6657 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6658 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6659 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6660 if ((av->assoc_value != 0) && 6661 (inp->auth_supported == 0)) { 6662 /* 6663 * AUTH is required for 6664 * ASCONF 6665 */ 6666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6667 error = EINVAL; 6668 } else { 6669 SCTP_INP_WLOCK(inp); 6670 if (av->assoc_value == 0) { 6671 inp->asconf_supported = 0; 6672 sctp_auth_delete_chunk(SCTP_ASCONF, 6673 inp->sctp_ep.local_auth_chunks); 6674 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6675 inp->sctp_ep.local_auth_chunks); 6676 } else { 6677 inp->asconf_supported = 1; 6678 sctp_auth_add_chunk(SCTP_ASCONF, 6679 inp->sctp_ep.local_auth_chunks); 6680 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6681 inp->sctp_ep.local_auth_chunks); 6682 } 6683 SCTP_INP_WUNLOCK(inp); 6684 } 6685 } else { 6686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6687 error = EINVAL; 6688 } 6689 } 6690 break; 6691 } 6692 case SCTP_RECONFIG_SUPPORTED: 6693 { 6694 struct sctp_assoc_value *av; 6695 6696 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6697 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6698 6699 if (stcb) { 6700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6701 error = EINVAL; 6702 SCTP_TCB_UNLOCK(stcb); 6703 } else { 6704 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6705 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6706 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6707 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6708 SCTP_INP_WLOCK(inp); 6709 if (av->assoc_value == 0) { 6710 inp->reconfig_supported = 0; 6711 } else { 6712 inp->reconfig_supported = 1; 6713 } 6714 SCTP_INP_WUNLOCK(inp); 6715 } else { 6716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6717 error = EINVAL; 6718 } 6719 } 6720 break; 6721 } 6722 case SCTP_NRSACK_SUPPORTED: 6723 { 6724 struct sctp_assoc_value *av; 6725 6726 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6727 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6728 6729 if (stcb) { 6730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6731 error = EINVAL; 6732 SCTP_TCB_UNLOCK(stcb); 6733 } else { 6734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6735 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6736 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6737 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6738 SCTP_INP_WLOCK(inp); 6739 if (av->assoc_value == 0) { 6740 inp->nrsack_supported = 0; 6741 } else { 6742 inp->nrsack_supported = 1; 6743 } 6744 SCTP_INP_WUNLOCK(inp); 6745 } else { 6746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6747 error = EINVAL; 6748 } 6749 } 6750 break; 6751 } 6752 case SCTP_PKTDROP_SUPPORTED: 6753 { 6754 struct sctp_assoc_value *av; 6755 6756 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6757 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6758 6759 if (stcb) { 6760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6761 error = EINVAL; 6762 SCTP_TCB_UNLOCK(stcb); 6763 } else { 6764 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6765 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6766 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6767 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6768 SCTP_INP_WLOCK(inp); 6769 if (av->assoc_value == 0) { 6770 inp->pktdrop_supported = 0; 6771 } else { 6772 inp->pktdrop_supported = 1; 6773 } 6774 SCTP_INP_WUNLOCK(inp); 6775 } else { 6776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6777 error = EINVAL; 6778 } 6779 } 6780 break; 6781 } 6782 case SCTP_MAX_CWND: 6783 { 6784 struct sctp_assoc_value *av; 6785 struct sctp_nets *net; 6786 6787 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6788 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6789 6790 if (stcb) { 6791 stcb->asoc.max_cwnd = av->assoc_value; 6792 if (stcb->asoc.max_cwnd > 0) { 6793 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6794 if ((net->cwnd > stcb->asoc.max_cwnd) && 6795 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6796 net->cwnd = stcb->asoc.max_cwnd; 6797 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6798 net->cwnd = net->mtu - sizeof(struct sctphdr); 6799 } 6800 } 6801 } 6802 } 6803 SCTP_TCB_UNLOCK(stcb); 6804 } else { 6805 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6806 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6807 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6808 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6809 SCTP_INP_WLOCK(inp); 6810 inp->max_cwnd = av->assoc_value; 6811 SCTP_INP_WUNLOCK(inp); 6812 } else { 6813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6814 error = EINVAL; 6815 } 6816 } 6817 break; 6818 } 6819 case SCTP_ACCEPT_ZERO_CHECKSUM: 6820 { 6821 uint32_t *value; 6822 6823 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 6824 if ((*value == SCTP_EDMID_NONE) || 6825 (*value == SCTP_EDMID_LOWER_LAYER_DTLS)) { 6826 SCTP_INP_WLOCK(inp); 6827 inp->rcv_edmid = *value; 6828 SCTP_INP_WUNLOCK(inp); 6829 } else { 6830 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6831 error = EINVAL; 6832 } 6833 break; 6834 } 6835 6836 default: 6837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6838 error = ENOPROTOOPT; 6839 break; 6840 } /* end switch (opt) */ 6841 return (error); 6842 } 6843 6844 int 6845 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6846 { 6847 struct epoch_tracker et; 6848 struct sctp_inpcb *inp; 6849 void *optval = NULL; 6850 void *p; 6851 size_t optsize = 0; 6852 int error = 0; 6853 6854 if ((sopt->sopt_level == SOL_SOCKET) && 6855 (sopt->sopt_name == SO_SETFIB)) { 6856 inp = (struct sctp_inpcb *)so->so_pcb; 6857 if (inp == NULL) { 6858 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6859 return (EINVAL); 6860 } 6861 SCTP_INP_WLOCK(inp); 6862 inp->fibnum = so->so_fibnum; 6863 SCTP_INP_WUNLOCK(inp); 6864 return (0); 6865 } 6866 if (sopt->sopt_level != IPPROTO_SCTP) { 6867 /* wrong proto level... send back up to IP */ 6868 #ifdef INET6 6869 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6870 error = ip6_ctloutput(so, sopt); 6871 #endif /* INET6 */ 6872 #if defined(INET) && defined(INET6) 6873 else 6874 #endif 6875 #ifdef INET 6876 error = ip_ctloutput(so, sopt); 6877 #endif 6878 return (error); 6879 } 6880 optsize = sopt->sopt_valsize; 6881 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6882 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6883 return (ENOBUFS); 6884 } 6885 if (optsize) { 6886 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6887 if (optval == NULL) { 6888 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6889 return (ENOBUFS); 6890 } 6891 error = sooptcopyin(sopt, optval, optsize, optsize); 6892 if (error) { 6893 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6894 goto out; 6895 } 6896 } 6897 p = (void *)sopt->sopt_td; 6898 if (sopt->sopt_dir == SOPT_SET) { 6899 NET_EPOCH_ENTER(et); 6900 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6901 NET_EPOCH_EXIT(et); 6902 } else if (sopt->sopt_dir == SOPT_GET) { 6903 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6904 } else { 6905 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6906 error = EINVAL; 6907 } 6908 if ((error == 0) && (optval != NULL)) { 6909 error = sooptcopyout(sopt, optval, optsize); 6910 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6911 } else if (optval != NULL) { 6912 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6913 } 6914 out: 6915 return (error); 6916 } 6917 6918 #ifdef INET 6919 static int 6920 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6921 { 6922 struct epoch_tracker et; 6923 int error = 0; 6924 int create_lock_on = 0; 6925 uint32_t vrf_id; 6926 struct sctp_inpcb *inp; 6927 struct sctp_tcb *stcb = NULL; 6928 6929 inp = (struct sctp_inpcb *)so->so_pcb; 6930 if (inp == NULL) { 6931 /* I made the same as TCP since we are not setup? */ 6932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6933 return (ECONNRESET); 6934 } 6935 if (addr == NULL) { 6936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6937 return EINVAL; 6938 } 6939 6940 switch (addr->sa_family) { 6941 #ifdef INET6 6942 case AF_INET6: 6943 { 6944 struct sockaddr_in6 *sin6; 6945 6946 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6947 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6948 return (EINVAL); 6949 } 6950 sin6 = (struct sockaddr_in6 *)addr; 6951 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 6952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6953 return (error); 6954 } 6955 break; 6956 } 6957 #endif 6958 #ifdef INET 6959 case AF_INET: 6960 { 6961 struct sockaddr_in *sin; 6962 6963 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6964 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6965 return (EINVAL); 6966 } 6967 sin = (struct sockaddr_in *)addr; 6968 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 6969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6970 return (error); 6971 } 6972 break; 6973 } 6974 #endif 6975 default: 6976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6977 return (EAFNOSUPPORT); 6978 } 6979 SCTP_INP_INCR_REF(inp); 6980 SCTP_ASOC_CREATE_LOCK(inp); 6981 create_lock_on = 1; 6982 NET_EPOCH_ENTER(et); 6983 6984 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6985 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6986 /* Should I really unlock ? */ 6987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6988 error = EFAULT; 6989 goto out_now; 6990 } 6991 #ifdef INET6 6992 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6993 (addr->sa_family == AF_INET6)) { 6994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6995 error = EINVAL; 6996 goto out_now; 6997 } 6998 #endif 6999 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7000 /* Bind a ephemeral port */ 7001 error = sctp_inpcb_bind(so, NULL, NULL, p); 7002 if (error) { 7003 goto out_now; 7004 } 7005 } 7006 /* Now do we connect? */ 7007 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7008 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7009 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7010 error = EINVAL; 7011 goto out_now; 7012 } 7013 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7014 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7015 /* We are already connected AND the TCP model */ 7016 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7017 error = EADDRINUSE; 7018 goto out_now; 7019 } 7020 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7021 SCTP_INP_RLOCK(inp); 7022 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7023 SCTP_INP_RUNLOCK(inp); 7024 } else { 7025 /* 7026 * We increment here since sctp_findassociation_ep_addr() 7027 * will do a decrement if it finds the stcb as long as the 7028 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7029 */ 7030 SCTP_INP_INCR_REF(inp); 7031 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7032 if (stcb == NULL) { 7033 SCTP_INP_DECR_REF(inp); 7034 } else { 7035 SCTP_TCB_UNLOCK(stcb); 7036 } 7037 } 7038 if (stcb != NULL) { 7039 /* Already have or am bring up an association */ 7040 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7041 error = EALREADY; 7042 goto out_now; 7043 } 7044 7045 vrf_id = inp->def_vrf_id; 7046 /* We are GOOD to go */ 7047 stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id, 7048 inp->sctp_ep.pre_open_stream_count, 7049 inp->sctp_ep.port, p, 7050 SCTP_INITIALIZE_AUTH_PARAMS); 7051 if (stcb == NULL) { 7052 /* Gak! no memory */ 7053 goto out_now; 7054 } 7055 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7056 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7057 7058 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7059 SCTP_TCB_UNLOCK(stcb); 7060 out_now: 7061 NET_EPOCH_EXIT(et); 7062 if (create_lock_on) { 7063 SCTP_ASOC_CREATE_UNLOCK(inp); 7064 } 7065 SCTP_INP_DECR_REF(inp); 7066 return (error); 7067 } 7068 #endif 7069 7070 int 7071 sctp_listen(struct socket *so, int backlog, struct thread *p) 7072 { 7073 /* 7074 * Note this module depends on the protocol processing being called 7075 * AFTER any socket level flags and backlog are applied to the 7076 * socket. The traditional way that the socket flags are applied is 7077 * AFTER protocol processing. We have made a change to the 7078 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7079 * place if the socket API for SCTP is to work properly. 7080 */ 7081 7082 int error = 0; 7083 struct sctp_inpcb *inp; 7084 7085 inp = (struct sctp_inpcb *)so->so_pcb; 7086 if (inp == NULL) { 7087 /* I made the same as TCP since we are not setup? */ 7088 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7089 return (ECONNRESET); 7090 } 7091 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7092 /* See if we have a listener */ 7093 struct sctp_inpcb *tinp; 7094 union sctp_sockstore store; 7095 7096 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7097 /* not bound all */ 7098 struct sctp_laddr *laddr; 7099 7100 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7101 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7102 switch (store.sa.sa_family) { 7103 #ifdef INET 7104 case AF_INET: 7105 store.sin.sin_port = inp->sctp_lport; 7106 break; 7107 #endif 7108 #ifdef INET6 7109 case AF_INET6: 7110 store.sin6.sin6_port = inp->sctp_lport; 7111 break; 7112 #endif 7113 default: 7114 break; 7115 } 7116 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7117 if (tinp && (tinp != inp) && 7118 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7119 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7120 (SCTP_IS_LISTENING(tinp))) { 7121 /* 7122 * we have a listener already and 7123 * its not this inp. 7124 */ 7125 SCTP_INP_DECR_REF(tinp); 7126 return (EADDRINUSE); 7127 } else if (tinp) { 7128 SCTP_INP_DECR_REF(tinp); 7129 } 7130 } 7131 } else { 7132 /* Setup a local addr bound all */ 7133 memset(&store, 0, sizeof(store)); 7134 #ifdef INET6 7135 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7136 store.sa.sa_family = AF_INET6; 7137 store.sa.sa_len = sizeof(struct sockaddr_in6); 7138 } 7139 #endif 7140 #ifdef INET 7141 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7142 store.sa.sa_family = AF_INET; 7143 store.sa.sa_len = sizeof(struct sockaddr_in); 7144 } 7145 #endif 7146 switch (store.sa.sa_family) { 7147 #ifdef INET 7148 case AF_INET: 7149 store.sin.sin_port = inp->sctp_lport; 7150 break; 7151 #endif 7152 #ifdef INET6 7153 case AF_INET6: 7154 store.sin6.sin6_port = inp->sctp_lport; 7155 break; 7156 #endif 7157 default: 7158 break; 7159 } 7160 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7161 if (tinp && (tinp != inp) && 7162 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7163 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7164 (SCTP_IS_LISTENING(tinp))) { 7165 /* 7166 * we have a listener already and its not 7167 * this inp. 7168 */ 7169 SCTP_INP_DECR_REF(tinp); 7170 return (EADDRINUSE); 7171 } else if (tinp) { 7172 SCTP_INP_DECR_REF(tinp); 7173 } 7174 } 7175 } 7176 SCTP_INP_INFO_WLOCK(); 7177 SCTP_INP_WLOCK(inp); 7178 #ifdef SCTP_LOCK_LOGGING 7179 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7180 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7181 } 7182 #endif 7183 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7184 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7185 /* 7186 * The unlucky case - We are in the tcp pool with this guy. 7187 * - Someone else is in the main inp slot. - We must move 7188 * this guy (the listener) to the main slot - We must then 7189 * move the guy that was listener to the TCP Pool. 7190 */ 7191 if (sctp_swap_inpcb_for_listen(inp)) { 7192 error = EADDRINUSE; 7193 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7194 goto out; 7195 } 7196 } 7197 SOCK_LOCK(so); 7198 error = solisten_proto_check(so); 7199 if (error) { 7200 SOCK_UNLOCK(so); 7201 goto out; 7202 } 7203 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7204 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7205 SOCK_UNLOCK(so); 7206 solisten_proto_abort(so); 7207 error = EADDRINUSE; 7208 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7209 goto out; 7210 } 7211 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7212 ((inp->sctp_flags & SCTP_PCB_FLAGS_WAS_CONNECTED) || 7213 (inp->sctp_flags & SCTP_PCB_FLAGS_WAS_ABORTED))) { 7214 SOCK_UNLOCK(so); 7215 solisten_proto_abort(so); 7216 error = EINVAL; 7217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7218 goto out; 7219 } 7220 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7221 if ((error = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) { 7222 SOCK_UNLOCK(so); 7223 solisten_proto_abort(so); 7224 /* bind error, probably perm */ 7225 goto out; 7226 } 7227 } 7228 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7229 solisten_proto(so, backlog); 7230 SOCK_UNLOCK(so); 7231 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7232 } else { 7233 solisten_proto_abort(so); 7234 SOCK_UNLOCK(so); 7235 if (backlog > 0) { 7236 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7237 } else { 7238 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7239 } 7240 } 7241 out: 7242 SCTP_INP_WUNLOCK(inp); 7243 SCTP_INP_INFO_WUNLOCK(); 7244 return (error); 7245 } 7246 7247 static int sctp_defered_wakeup_cnt = 0; 7248 7249 int 7250 sctp_accept(struct socket *so, struct sockaddr **addr) 7251 { 7252 struct sctp_tcb *stcb; 7253 struct sctp_inpcb *inp; 7254 union sctp_sockstore store; 7255 #ifdef INET6 7256 int error; 7257 #endif 7258 inp = (struct sctp_inpcb *)so->so_pcb; 7259 7260 if (inp == NULL) { 7261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7262 return (ECONNRESET); 7263 } 7264 SCTP_INP_WLOCK(inp); 7265 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7266 SCTP_INP_WUNLOCK(inp); 7267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7268 return (EOPNOTSUPP); 7269 } 7270 if (so->so_state & SS_ISDISCONNECTED) { 7271 SCTP_INP_WUNLOCK(inp); 7272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7273 return (ECONNABORTED); 7274 } 7275 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7276 if (stcb == NULL) { 7277 SCTP_INP_WUNLOCK(inp); 7278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7279 return (ECONNRESET); 7280 } 7281 SCTP_TCB_LOCK(stcb); 7282 store = stcb->asoc.primary_destination->ro._l_addr; 7283 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7284 /* Wake any delayed sleep action */ 7285 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7286 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7287 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7288 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7289 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7290 if (sowriteable(inp->sctp_socket)) { 7291 sowwakeup_locked(inp->sctp_socket); 7292 } else { 7293 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7294 } 7295 } 7296 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7297 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7298 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7299 if (soreadable(inp->sctp_socket)) { 7300 sctp_defered_wakeup_cnt++; 7301 sorwakeup_locked(inp->sctp_socket); 7302 } else { 7303 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7304 } 7305 } 7306 } 7307 SCTP_INP_WUNLOCK(inp); 7308 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7309 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7310 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7311 } else { 7312 SCTP_TCB_UNLOCK(stcb); 7313 } 7314 switch (store.sa.sa_family) { 7315 #ifdef INET 7316 case AF_INET: 7317 { 7318 struct sockaddr_in *sin; 7319 7320 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7321 if (sin == NULL) 7322 return (ENOMEM); 7323 sin->sin_family = AF_INET; 7324 sin->sin_len = sizeof(*sin); 7325 sin->sin_port = store.sin.sin_port; 7326 sin->sin_addr = store.sin.sin_addr; 7327 *addr = (struct sockaddr *)sin; 7328 break; 7329 } 7330 #endif 7331 #ifdef INET6 7332 case AF_INET6: 7333 { 7334 struct sockaddr_in6 *sin6; 7335 7336 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7337 if (sin6 == NULL) 7338 return (ENOMEM); 7339 sin6->sin6_family = AF_INET6; 7340 sin6->sin6_len = sizeof(*sin6); 7341 sin6->sin6_port = store.sin6.sin6_port; 7342 sin6->sin6_addr = store.sin6.sin6_addr; 7343 if ((error = sa6_recoverscope(sin6)) != 0) { 7344 SCTP_FREE_SONAME(sin6); 7345 return (error); 7346 } 7347 *addr = (struct sockaddr *)sin6; 7348 break; 7349 } 7350 #endif 7351 default: 7352 /* TSNH */ 7353 break; 7354 } 7355 return (0); 7356 } 7357 7358 #ifdef INET 7359 int 7360 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7361 { 7362 struct sockaddr_in *sin; 7363 uint32_t vrf_id; 7364 struct sctp_inpcb *inp; 7365 struct sctp_ifa *sctp_ifa; 7366 7367 /* 7368 * Do the malloc first in case it blocks. 7369 */ 7370 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7371 if (sin == NULL) 7372 return (ENOMEM); 7373 sin->sin_family = AF_INET; 7374 sin->sin_len = sizeof(*sin); 7375 inp = (struct sctp_inpcb *)so->so_pcb; 7376 if (!inp) { 7377 SCTP_FREE_SONAME(sin); 7378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7379 return (ECONNRESET); 7380 } 7381 SCTP_INP_RLOCK(inp); 7382 sin->sin_port = inp->sctp_lport; 7383 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7384 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7385 struct sctp_tcb *stcb; 7386 struct sockaddr_in *sin_a; 7387 struct sctp_nets *net; 7388 int fnd; 7389 7390 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7391 if (stcb == NULL) { 7392 goto notConn; 7393 } 7394 fnd = 0; 7395 sin_a = NULL; 7396 SCTP_TCB_LOCK(stcb); 7397 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7398 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7399 if (sin_a == NULL) 7400 /* this will make coverity happy */ 7401 continue; 7402 7403 if (sin_a->sin_family == AF_INET) { 7404 fnd = 1; 7405 break; 7406 } 7407 } 7408 if ((!fnd) || (sin_a == NULL)) { 7409 /* punt */ 7410 SCTP_TCB_UNLOCK(stcb); 7411 goto notConn; 7412 } 7413 7414 vrf_id = inp->def_vrf_id; 7415 sctp_ifa = sctp_source_address_selection(inp, 7416 stcb, 7417 (sctp_route_t *)&net->ro, 7418 net, 0, vrf_id); 7419 if (sctp_ifa) { 7420 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7421 sctp_free_ifa(sctp_ifa); 7422 } 7423 SCTP_TCB_UNLOCK(stcb); 7424 } else { 7425 /* For the bound all case you get back 0 */ 7426 notConn: 7427 sin->sin_addr.s_addr = 0; 7428 } 7429 7430 } else { 7431 /* Take the first IPv4 address in the list */ 7432 struct sctp_laddr *laddr; 7433 int fnd = 0; 7434 7435 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7436 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7437 struct sockaddr_in *sin_a; 7438 7439 sin_a = &laddr->ifa->address.sin; 7440 sin->sin_addr = sin_a->sin_addr; 7441 fnd = 1; 7442 break; 7443 } 7444 } 7445 if (!fnd) { 7446 SCTP_FREE_SONAME(sin); 7447 SCTP_INP_RUNLOCK(inp); 7448 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7449 return (ENOENT); 7450 } 7451 } 7452 SCTP_INP_RUNLOCK(inp); 7453 (*addr) = (struct sockaddr *)sin; 7454 return (0); 7455 } 7456 7457 int 7458 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7459 { 7460 struct sockaddr_in *sin; 7461 int fnd; 7462 struct sockaddr_in *sin_a; 7463 struct sctp_inpcb *inp; 7464 struct sctp_tcb *stcb; 7465 struct sctp_nets *net; 7466 7467 /* Do the malloc first in case it blocks. */ 7468 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7469 if (sin == NULL) 7470 return (ENOMEM); 7471 sin->sin_family = AF_INET; 7472 sin->sin_len = sizeof(*sin); 7473 7474 inp = (struct sctp_inpcb *)so->so_pcb; 7475 if ((inp == NULL) || 7476 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7477 /* UDP type and listeners will drop out here */ 7478 SCTP_FREE_SONAME(sin); 7479 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7480 return (ENOTCONN); 7481 } 7482 SCTP_INP_RLOCK(inp); 7483 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7484 if (stcb) { 7485 SCTP_TCB_LOCK(stcb); 7486 } 7487 SCTP_INP_RUNLOCK(inp); 7488 if (stcb == NULL) { 7489 SCTP_FREE_SONAME(sin); 7490 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7491 return (ECONNRESET); 7492 } 7493 fnd = 0; 7494 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7495 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7496 if (sin_a->sin_family == AF_INET) { 7497 fnd = 1; 7498 sin->sin_port = stcb->rport; 7499 sin->sin_addr = sin_a->sin_addr; 7500 break; 7501 } 7502 } 7503 SCTP_TCB_UNLOCK(stcb); 7504 if (!fnd) { 7505 /* No IPv4 address */ 7506 SCTP_FREE_SONAME(sin); 7507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7508 return (ENOENT); 7509 } 7510 (*addr) = (struct sockaddr *)sin; 7511 return (0); 7512 } 7513 7514 #define SCTP_PROTOSW \ 7515 .pr_protocol = IPPROTO_SCTP, \ 7516 .pr_ctloutput = sctp_ctloutput, \ 7517 .pr_abort = sctp_abort, \ 7518 .pr_accept = sctp_accept, \ 7519 .pr_attach = sctp_attach, \ 7520 .pr_bind = sctp_bind, \ 7521 .pr_connect = sctp_connect, \ 7522 .pr_control = in_control, \ 7523 .pr_close = sctp_close, \ 7524 .pr_detach = sctp_close, \ 7525 .pr_sopoll = sopoll_generic, \ 7526 .pr_flush = sctp_flush, \ 7527 .pr_disconnect = sctp_disconnect, \ 7528 .pr_listen = sctp_listen, \ 7529 .pr_peeraddr = sctp_peeraddr, \ 7530 .pr_send = sctp_sendm, \ 7531 .pr_shutdown = sctp_shutdown, \ 7532 .pr_sockaddr = sctp_ingetaddr, \ 7533 .pr_sosend = sctp_sosend, \ 7534 .pr_soreceive = sctp_soreceive \ 7535 7536 struct protosw sctp_seqpacket_protosw = { 7537 .pr_type = SOCK_SEQPACKET, 7538 .pr_flags = PR_WANTRCVD, 7539 SCTP_PROTOSW 7540 }; 7541 7542 struct protosw sctp_stream_protosw = { 7543 .pr_type = SOCK_STREAM, 7544 .pr_flags = PR_CONNREQUIRED | PR_WANTRCVD, 7545 SCTP_PROTOSW 7546 }; 7547 #endif 7548