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 <sys/cdefs.h> 36 #include <netinet/sctp_os.h> 37 #include <sys/proc.h> 38 #include <netinet/sctp_pcb.h> 39 #include <netinet/sctp_header.h> 40 #include <netinet/sctp_var.h> 41 #ifdef INET6 42 #include <netinet6/sctp6_var.h> 43 #endif 44 #include <netinet/sctp_sysctl.h> 45 #include <netinet/sctp_output.h> 46 #include <netinet/sctp_uio.h> 47 #include <netinet/sctp_asconf.h> 48 #include <netinet/sctputil.h> 49 #include <netinet/sctp_indata.h> 50 #include <netinet/sctp_timer.h> 51 #include <netinet/sctp_auth.h> 52 #include <netinet/sctp_bsd_addr.h> 53 #include <netinet/udp.h> 54 #include <sys/eventhandler.h> 55 56 extern const struct sctp_cc_functions sctp_cc_functions[]; 57 extern const struct sctp_ss_functions sctp_ss_functions[]; 58 59 static void 60 sctp_init(void *arg SCTP_UNUSED) 61 { 62 u_long sb_max_adj; 63 64 /* Initialize and modify the sysctled variables */ 65 sctp_init_sysctls(); 66 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 67 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 68 /* 69 * Allow a user to take no more than 1/2 the number of clusters or 70 * the SB_MAX, whichever is smaller, for the send window. 71 */ 72 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 73 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 74 (((uint32_t)nmbclusters / 2) * MCLBYTES)); 75 /* 76 * Now for the recv window, should we take the same amount? or 77 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 78 * now I will just copy. 79 */ 80 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 81 SCTP_BASE_VAR(first_time) = 0; 82 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 83 sctp_pcb_init(); 84 #if defined(SCTP_PACKET_LOGGING) 85 SCTP_BASE_VAR(packet_log_writers) = 0; 86 SCTP_BASE_VAR(packet_log_end) = 0; 87 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 88 #endif 89 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, 90 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); 91 } 92 93 VNET_SYSINIT(sctp_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_THIRD, sctp_init, NULL); 94 95 #ifdef VIMAGE 96 static void 97 sctp_finish(void *unused __unused) 98 { 99 EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag)); 100 sctp_pcb_finish(); 101 } 102 103 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 104 #endif 105 106 void 107 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint32_t mtu, bool resend) 108 { 109 struct sctp_association *asoc; 110 struct sctp_tmit_chunk *chk; 111 uint32_t overhead; 112 113 asoc = &stcb->asoc; 114 KASSERT(mtu < asoc->smallest_mtu, 115 ("Currently only reducing association MTU %u supported (MTU %u)", 116 asoc->smallest_mtu, mtu)); 117 asoc->smallest_mtu = mtu; 118 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 119 overhead = SCTP_MIN_OVERHEAD; 120 } else { 121 overhead = SCTP_MIN_V4_OVERHEAD; 122 } 123 if (asoc->idata_supported) { 124 if (sctp_auth_is_required_chunk(SCTP_IDATA, asoc->peer_auth_chunks)) { 125 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 126 } 127 } else { 128 if (sctp_auth_is_required_chunk(SCTP_DATA, asoc->peer_auth_chunks)) { 129 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 130 } 131 } 132 KASSERT(overhead % 4 == 0, 133 ("overhead (%u) not a multiple of 4", overhead)); 134 TAILQ_FOREACH(chk, &asoc->send_queue, sctp_next) { 135 if (((uint32_t)chk->send_size + overhead) > mtu) { 136 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 137 } 138 } 139 TAILQ_FOREACH(chk, &asoc->sent_queue, sctp_next) { 140 if (((uint32_t)chk->send_size + overhead) > mtu) { 141 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 142 if (resend && chk->sent < SCTP_DATAGRAM_RESEND) { 143 /* 144 * If requested, mark the chunk for 145 * immediate resend, since we sent it being 146 * too big. 147 */ 148 sctp_flight_size_decrease(chk); 149 sctp_total_flight_decrease(stcb, chk); 150 chk->sent = SCTP_DATAGRAM_RESEND; 151 sctp_ucount_incr(asoc->sent_queue_retran_cnt); 152 chk->rec.data.doing_fast_retransmit = 0; 153 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 154 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 155 chk->whoTo->flight_size, 156 chk->book_size, 157 (uint32_t)(uintptr_t)chk->whoTo, 158 chk->rec.data.tsn); 159 } 160 /* Clear any time, so NO RTT is being done. */ 161 if (chk->do_rtt == 1) { 162 chk->do_rtt = 0; 163 chk->whoTo->rto_needed = 1; 164 } 165 } 166 } 167 } 168 } 169 170 #ifdef INET 171 void 172 sctp_notify(struct sctp_inpcb *inp, 173 struct sctp_tcb *stcb, 174 struct sctp_nets *net, 175 uint8_t icmp_type, 176 uint8_t icmp_code, 177 uint16_t ip_len, 178 uint32_t next_mtu) 179 { 180 int timer_stopped; 181 182 if (icmp_type != ICMP_UNREACH) { 183 /* We only care about unreachable */ 184 SCTP_TCB_UNLOCK(stcb); 185 return; 186 } 187 if ((icmp_code == ICMP_UNREACH_NET) || 188 (icmp_code == ICMP_UNREACH_HOST) || 189 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 190 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 191 (icmp_code == ICMP_UNREACH_ISOLATED) || 192 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 193 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 194 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 195 /* Mark the net unreachable. */ 196 if (net->dest_state & SCTP_ADDR_REACHABLE) { 197 /* OK, that destination is NOT reachable. */ 198 net->dest_state &= ~SCTP_ADDR_REACHABLE; 199 net->dest_state &= ~SCTP_ADDR_PF; 200 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 201 stcb, 0, 202 (void *)net, SCTP_SO_NOT_LOCKED); 203 } 204 SCTP_TCB_UNLOCK(stcb); 205 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 206 (icmp_code == ICMP_UNREACH_PORT)) { 207 /* Treat it like an ABORT. */ 208 sctp_abort_notification(stcb, true, false, 0, NULL, SCTP_SO_NOT_LOCKED); 209 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 210 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 211 /* no need to unlock here, since the TCB is gone */ 212 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 213 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 214 SCTP_TCB_UNLOCK(stcb); 215 return; 216 } 217 /* Find the next (smaller) MTU */ 218 if (next_mtu == 0) { 219 /* 220 * Old type router that does not tell us what the 221 * next MTU is. Rats we will have to guess (in a 222 * educated fashion of course). 223 */ 224 next_mtu = sctp_get_prev_mtu(ip_len); 225 } 226 /* Stop the PMTU timer. */ 227 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 228 timer_stopped = 1; 229 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 230 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 231 } else { 232 timer_stopped = 0; 233 } 234 /* Update the path MTU. */ 235 if (net->port) { 236 next_mtu -= sizeof(struct udphdr); 237 } 238 if (net->mtu > next_mtu) { 239 net->mtu = next_mtu; 240 if (net->port) { 241 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 242 } else { 243 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 244 } 245 } 246 /* Update the association MTU */ 247 if (stcb->asoc.smallest_mtu > next_mtu) { 248 sctp_pathmtu_adjustment(stcb, next_mtu, true); 249 } 250 /* Finally, start the PMTU timer if it was running before. */ 251 if (timer_stopped) { 252 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 253 } 254 SCTP_TCB_UNLOCK(stcb); 255 } else { 256 SCTP_TCB_UNLOCK(stcb); 257 } 258 } 259 260 void 261 sctp_ctlinput(struct icmp *icmp) 262 { 263 struct ip *inner_ip, *outer_ip; 264 struct sctphdr *sh; 265 struct sctp_inpcb *inp; 266 struct sctp_tcb *stcb; 267 struct sctp_nets *net; 268 struct sctp_init_chunk *ch; 269 struct sockaddr_in src, dst; 270 271 if (icmp_errmap(icmp) == 0) 272 return; 273 274 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 275 inner_ip = &icmp->icmp_ip; 276 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 277 memset(&src, 0, sizeof(struct sockaddr_in)); 278 src.sin_family = AF_INET; 279 src.sin_len = sizeof(struct sockaddr_in); 280 src.sin_port = sh->src_port; 281 src.sin_addr = inner_ip->ip_src; 282 memset(&dst, 0, sizeof(struct sockaddr_in)); 283 dst.sin_family = AF_INET; 284 dst.sin_len = sizeof(struct sockaddr_in); 285 dst.sin_port = sh->dest_port; 286 dst.sin_addr = inner_ip->ip_dst; 287 /* 288 * 'dst' holds the dest of the packet that failed to be sent. 'src' 289 * holds our local endpoint address. Thus we reverse the dst and the 290 * src in the lookup. 291 */ 292 inp = NULL; 293 net = NULL; 294 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 295 (struct sockaddr *)&src, 296 &inp, &net, 1, 297 SCTP_DEFAULT_VRFID); 298 if ((stcb != NULL) && 299 (net != NULL) && 300 (inp != NULL)) { 301 /* Check the verification tag */ 302 if (ntohl(sh->v_tag) != 0) { 303 /* 304 * This must be the verification tag used for 305 * sending out packets. We don't consider packets 306 * reflecting the verification tag. 307 */ 308 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 309 SCTP_TCB_UNLOCK(stcb); 310 return; 311 } 312 } else { 313 if (ntohs(outer_ip->ip_len) >= 314 sizeof(struct ip) + 315 8 + (inner_ip->ip_hl << 2) + 20) { 316 /* 317 * In this case we can check if we got an 318 * INIT chunk and if the initiate tag 319 * matches. 320 */ 321 ch = (struct sctp_init_chunk *)(sh + 1); 322 if ((ch->ch.chunk_type != SCTP_INITIATION) || 323 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 324 SCTP_TCB_UNLOCK(stcb); 325 return; 326 } 327 } else { 328 SCTP_TCB_UNLOCK(stcb); 329 return; 330 } 331 } 332 sctp_notify(inp, stcb, net, 333 icmp->icmp_type, 334 icmp->icmp_code, 335 ntohs(inner_ip->ip_len), 336 (uint32_t)ntohs(icmp->icmp_nextmtu)); 337 } else { 338 if ((stcb == NULL) && (inp != NULL)) { 339 /* reduce ref-count */ 340 SCTP_INP_WLOCK(inp); 341 SCTP_INP_DECR_REF(inp); 342 SCTP_INP_WUNLOCK(inp); 343 } 344 if (stcb) { 345 SCTP_TCB_UNLOCK(stcb); 346 } 347 } 348 } 349 #endif 350 351 static int 352 sctp_getcred(SYSCTL_HANDLER_ARGS) 353 { 354 struct xucred xuc; 355 struct sockaddr_in addrs[2]; 356 struct sctp_inpcb *inp; 357 struct sctp_nets *net; 358 struct sctp_tcb *stcb; 359 int error; 360 uint32_t vrf_id; 361 362 /* FIX, for non-bsd is this right? */ 363 vrf_id = SCTP_DEFAULT_VRFID; 364 365 error = priv_check(req->td, PRIV_NETINET_GETCRED); 366 367 if (error) 368 return (error); 369 370 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 371 if (error) 372 return (error); 373 374 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 375 sintosa(&addrs[0]), 376 &inp, &net, 1, vrf_id); 377 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 378 if ((inp != NULL) && (stcb == NULL)) { 379 /* reduce ref-count */ 380 SCTP_INP_WLOCK(inp); 381 SCTP_INP_DECR_REF(inp); 382 goto cred_can_cont; 383 } 384 385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 386 error = ENOENT; 387 goto out; 388 } 389 SCTP_TCB_UNLOCK(stcb); 390 /* 391 * We use the write lock here, only since in the error leg we need 392 * it. If we used RLOCK, then we would have to 393 * wlock/decr/unlock/rlock. Which in theory could create a hole. 394 * Better to use higher wlock. 395 */ 396 SCTP_INP_WLOCK(inp); 397 cred_can_cont: 398 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 399 if (error) { 400 SCTP_INP_WUNLOCK(inp); 401 goto out; 402 } 403 cru2x(inp->sctp_socket->so_cred, &xuc); 404 SCTP_INP_WUNLOCK(inp); 405 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 406 out: 407 return (error); 408 } 409 410 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 411 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 412 0, 0, sctp_getcred, "S,ucred", 413 "Get the ucred of a SCTP connection"); 414 415 void 416 sctp_abort(struct socket *so) 417 { 418 struct epoch_tracker et; 419 struct sctp_inpcb *inp; 420 421 inp = (struct sctp_inpcb *)so->so_pcb; 422 if (inp == NULL) { 423 return; 424 } 425 426 SCTP_INP_WLOCK(inp); 427 NET_EPOCH_ENTER(et); 428 #ifdef SCTP_LOG_CLOSING 429 sctp_log_closing(inp, NULL, 17); 430 #endif 431 if (((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0)) { 432 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 433 #ifdef SCTP_LOG_CLOSING 434 sctp_log_closing(inp, NULL, 16); 435 #endif 436 SCTP_INP_WUNLOCK(inp); 437 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 438 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 439 SOCK_LOCK(so); 440 KASSERT(!SOLISTENING(so), 441 ("sctp_abort: called on listening socket %p", so)); 442 SCTP_SB_CLEAR(so->so_snd); 443 SCTP_SB_CLEAR(so->so_rcv); 444 /* Now null out the reference, we are completely detached. */ 445 so->so_pcb = NULL; 446 SOCK_UNLOCK(so); 447 } else { 448 SCTP_INP_WUNLOCK(inp); 449 } 450 NET_EPOCH_EXIT(et); 451 } 452 453 #ifdef INET 454 static int 455 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 456 { 457 struct sctp_inpcb *inp; 458 struct inpcb *ip_inp; 459 int error; 460 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 461 462 inp = (struct sctp_inpcb *)so->so_pcb; 463 if (inp != NULL) { 464 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 465 return (EINVAL); 466 } 467 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 468 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 469 if (error) { 470 return (error); 471 } 472 } 473 error = sctp_inpcb_alloc(so, vrf_id); 474 if (error) { 475 return (error); 476 } 477 inp = (struct sctp_inpcb *)so->so_pcb; 478 SCTP_INP_WLOCK(inp); 479 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 480 ip_inp = &inp->ip_inp.inp; 481 ip_inp->inp_vflag |= INP_IPV4; 482 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 483 SCTP_INP_WUNLOCK(inp); 484 return (0); 485 } 486 487 static int 488 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 489 { 490 struct sctp_inpcb *inp; 491 492 inp = (struct sctp_inpcb *)so->so_pcb; 493 if (inp == NULL) { 494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 495 return (EINVAL); 496 } 497 if (addr != NULL) { 498 if ((addr->sa_family != AF_INET) || 499 (addr->sa_len != sizeof(struct sockaddr_in))) { 500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 501 return (EINVAL); 502 } 503 } 504 return (sctp_inpcb_bind(so, addr, NULL, p)); 505 } 506 507 #endif 508 void 509 sctp_close(struct socket *so) 510 { 511 struct epoch_tracker et; 512 struct sctp_inpcb *inp; 513 514 inp = (struct sctp_inpcb *)so->so_pcb; 515 if (inp == NULL) 516 return; 517 518 /* 519 * Inform all the lower layer assoc that we are done. 520 */ 521 SCTP_INP_WLOCK(inp); 522 NET_EPOCH_ENTER(et); 523 #ifdef SCTP_LOG_CLOSING 524 sctp_log_closing(inp, NULL, 17); 525 #endif 526 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 527 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 528 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 529 (SCTP_SBAVAIL(&so->so_rcv) > 0)) { 530 #ifdef SCTP_LOG_CLOSING 531 sctp_log_closing(inp, NULL, 13); 532 #endif 533 SCTP_INP_WUNLOCK(inp); 534 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 535 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 536 } else { 537 #ifdef SCTP_LOG_CLOSING 538 sctp_log_closing(inp, NULL, 14); 539 #endif 540 SCTP_INP_WUNLOCK(inp); 541 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 542 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 543 } 544 /* 545 * The socket is now detached, no matter what the state of 546 * the SCTP association. 547 */ 548 SOCK_LOCK(so); 549 if (!SOLISTENING(so)) { 550 SCTP_SB_CLEAR(so->so_snd); 551 SCTP_SB_CLEAR(so->so_rcv); 552 } 553 /* Now null out the reference, we are completely detached. */ 554 so->so_pcb = NULL; 555 SOCK_UNLOCK(so); 556 } else { 557 SCTP_INP_WUNLOCK(inp); 558 } 559 NET_EPOCH_EXIT(et); 560 } 561 562 int 563 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 564 struct mbuf *control, struct thread *p); 565 566 int 567 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 568 struct mbuf *control, struct thread *p) 569 { 570 struct sctp_inpcb *inp; 571 int error; 572 573 inp = (struct sctp_inpcb *)so->so_pcb; 574 if (inp == NULL) { 575 if (control) { 576 sctp_m_freem(control); 577 control = NULL; 578 } 579 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 580 sctp_m_freem(m); 581 return (EINVAL); 582 } 583 /* Got to have an to address if we are NOT a connected socket */ 584 if ((addr == NULL) && 585 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 586 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 587 goto connected_type; 588 } 589 590 error = 0; 591 if (addr == NULL) { 592 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 593 error = EDESTADDRREQ; 594 } else if (addr->sa_family != AF_INET) { 595 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 596 error = EAFNOSUPPORT; 597 } else if (addr->sa_len != sizeof(struct sockaddr_in)) { 598 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 599 error = EINVAL; 600 } 601 if (error != 0) { 602 sctp_m_freem(m); 603 if (control) { 604 sctp_m_freem(control); 605 control = NULL; 606 } 607 return (error); 608 } 609 connected_type: 610 /* now what about control */ 611 if (control) { 612 if (inp->control) { 613 sctp_m_freem(inp->control); 614 inp->control = NULL; 615 } 616 inp->control = control; 617 } 618 /* Place the data */ 619 if (inp->pkt) { 620 SCTP_BUF_NEXT(inp->pkt_last) = m; 621 inp->pkt_last = m; 622 } else { 623 inp->pkt_last = inp->pkt = m; 624 } 625 if ( 626 /* FreeBSD uses a flag passed */ 627 ((flags & PRUS_MORETOCOME) == 0) 628 ) { 629 /* 630 * note with the current version this code will only be used 631 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 632 * re-defining sosend to use the sctp_sosend. One can 633 * optionally switch back to this code (by changing back the 634 * definitions) but this is not advisable. This code is used 635 * by FreeBSD when sending a file with sendfile() though. 636 */ 637 struct epoch_tracker et; 638 int ret; 639 640 NET_EPOCH_ENTER(et); 641 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 642 NET_EPOCH_EXIT(et); 643 inp->pkt = NULL; 644 inp->control = NULL; 645 return (ret); 646 } else { 647 return (0); 648 } 649 } 650 651 int 652 sctp_disconnect(struct socket *so) 653 { 654 struct epoch_tracker et; 655 struct sctp_inpcb *inp; 656 struct sctp_association *asoc; 657 struct sctp_tcb *stcb; 658 659 inp = (struct sctp_inpcb *)so->so_pcb; 660 if (inp == NULL) { 661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 662 return (ENOTCONN); 663 } 664 SCTP_INP_RLOCK(inp); 665 KASSERT(inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE || 666 inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL, 667 ("Not a one-to-one style socket")); 668 stcb = LIST_FIRST(&inp->sctp_asoc_list); 669 if (stcb == NULL) { 670 SCTP_INP_RUNLOCK(inp); 671 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 672 return (ENOTCONN); 673 } 674 SCTP_TCB_LOCK(stcb); 675 asoc = &stcb->asoc; 676 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 677 /* We are about to be freed, out of here */ 678 SCTP_TCB_UNLOCK(stcb); 679 SCTP_INP_RUNLOCK(inp); 680 return (0); 681 } 682 NET_EPOCH_ENTER(et); 683 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 684 (SCTP_SBAVAIL(&so->so_rcv) > 0)) { 685 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 686 /* Left with Data unread */ 687 struct mbuf *op_err; 688 689 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 690 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 691 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 692 } 693 SCTP_INP_RUNLOCK(inp); 694 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 695 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 696 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 697 } 698 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 699 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 700 /* No unlock tcb assoc is gone */ 701 NET_EPOCH_EXIT(et); 702 return (0); 703 } 704 if (TAILQ_EMPTY(&asoc->send_queue) && 705 TAILQ_EMPTY(&asoc->sent_queue) && 706 (asoc->stream_queue_cnt == 0)) { 707 /* there is nothing queued to send, so done */ 708 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 709 goto abort_anyway; 710 } 711 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 712 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 713 /* only send SHUTDOWN 1st time thru */ 714 struct sctp_nets *netp; 715 716 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 717 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 718 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 719 } 720 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 721 sctp_stop_timers_for_shutdown(stcb); 722 if (stcb->asoc.alternate) { 723 netp = stcb->asoc.alternate; 724 } else { 725 netp = stcb->asoc.primary_destination; 726 } 727 sctp_send_shutdown(stcb, netp); 728 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 729 stcb->sctp_ep, stcb, netp); 730 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 731 stcb->sctp_ep, stcb, NULL); 732 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 733 } 734 } else { 735 /* 736 * we still got (or just got) data to send, so set 737 * SHUTDOWN_PENDING 738 */ 739 /* 740 * XXX sockets draft says that SCTP_EOF should be sent with 741 * no data. currently, we will allow user data to be sent 742 * first and move to SHUTDOWN-PENDING 743 */ 744 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 745 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 746 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 747 } 748 if (TAILQ_EMPTY(&asoc->send_queue) && 749 TAILQ_EMPTY(&asoc->sent_queue) && 750 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 751 struct mbuf *op_err; 752 753 abort_anyway: 754 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 755 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 756 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 757 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 758 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 759 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 760 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 761 } 762 SCTP_INP_RUNLOCK(inp); 763 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 764 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 765 NET_EPOCH_EXIT(et); 766 return (0); 767 } else { 768 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 769 } 770 } 771 soisdisconnecting(so); 772 NET_EPOCH_EXIT(et); 773 SCTP_TCB_UNLOCK(stcb); 774 SCTP_INP_RUNLOCK(inp); 775 return (0); 776 } 777 778 int 779 sctp_flush(struct socket *so, int how) 780 { 781 /* 782 * We will just clear out the values and let subsequent close clear 783 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 784 * they will not be able to read the data, the socket will block 785 * that from happening. 786 */ 787 struct sctp_inpcb *inp; 788 789 inp = (struct sctp_inpcb *)so->so_pcb; 790 if (inp == NULL) { 791 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 792 return (EINVAL); 793 } 794 SCTP_INP_RLOCK(inp); 795 /* For the 1 to many model this does nothing */ 796 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 797 SCTP_INP_RUNLOCK(inp); 798 return (0); 799 } 800 SCTP_INP_RUNLOCK(inp); 801 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 802 /* 803 * First make sure the sb will be happy, we don't use these 804 * except maybe the count 805 */ 806 SCTP_INP_WLOCK(inp); 807 SCTP_INP_READ_LOCK(inp); 808 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 809 SCTP_INP_READ_UNLOCK(inp); 810 SCTP_INP_WUNLOCK(inp); 811 SOCK_LOCK(so); 812 KASSERT(!SOLISTENING(so), 813 ("sctp_flush: called on listening socket %p", so)); 814 SCTP_SB_CLEAR(so->so_rcv); 815 SOCK_UNLOCK(so); 816 } 817 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 818 /* 819 * First make sure the sb will be happy, we don't use these 820 * except maybe the count 821 */ 822 SOCK_LOCK(so); 823 KASSERT(!SOLISTENING(so), 824 ("sctp_flush: called on listening socket %p", so)); 825 SOCK_UNLOCK(so); 826 } 827 return (0); 828 } 829 830 int 831 sctp_shutdown(struct socket *so) 832 { 833 struct sctp_inpcb *inp; 834 835 inp = (struct sctp_inpcb *)so->so_pcb; 836 if (inp == NULL) { 837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 838 return (EINVAL); 839 } 840 SCTP_INP_RLOCK(inp); 841 /* For UDP model this is a invalid call */ 842 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 843 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 844 /* Restore the flags that the soshutdown took away. */ 845 SOCKBUF_LOCK(&so->so_rcv); 846 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 847 SOCKBUF_UNLOCK(&so->so_rcv); 848 /* This proc will wakeup for read and do nothing (I hope) */ 849 SCTP_INP_RUNLOCK(inp); 850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 851 return (EOPNOTSUPP); 852 } else { 853 /* 854 * Ok, if we reach here its the TCP model and it is either a 855 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 856 * against it. 857 */ 858 struct epoch_tracker et; 859 struct sctp_tcb *stcb; 860 struct sctp_association *asoc; 861 struct sctp_nets *netp; 862 863 if ((so->so_state & 864 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 865 SCTP_INP_RUNLOCK(inp); 866 return (ENOTCONN); 867 } 868 socantsendmore(so); 869 870 stcb = LIST_FIRST(&inp->sctp_asoc_list); 871 if (stcb == NULL) { 872 /* 873 * Ok, we hit the case that the shutdown call was 874 * made after an abort or something. Nothing to do 875 * now. 876 */ 877 SCTP_INP_RUNLOCK(inp); 878 return (0); 879 } 880 SCTP_TCB_LOCK(stcb); 881 asoc = &stcb->asoc; 882 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 883 SCTP_TCB_UNLOCK(stcb); 884 SCTP_INP_RUNLOCK(inp); 885 return (0); 886 } 887 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 888 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 889 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 890 /* 891 * If we are not in or before ESTABLISHED, there is 892 * no protocol action required. 893 */ 894 SCTP_TCB_UNLOCK(stcb); 895 SCTP_INP_RUNLOCK(inp); 896 return (0); 897 } 898 NET_EPOCH_ENTER(et); 899 if (stcb->asoc.alternate) { 900 netp = stcb->asoc.alternate; 901 } else { 902 netp = stcb->asoc.primary_destination; 903 } 904 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 905 TAILQ_EMPTY(&asoc->send_queue) && 906 TAILQ_EMPTY(&asoc->sent_queue) && 907 (asoc->stream_queue_cnt == 0)) { 908 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 909 goto abort_anyway; 910 } 911 /* there is nothing queued to send, so I'm done... */ 912 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 913 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 914 sctp_stop_timers_for_shutdown(stcb); 915 sctp_send_shutdown(stcb, netp); 916 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 917 stcb->sctp_ep, stcb, netp); 918 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 919 stcb->sctp_ep, stcb, NULL); 920 } else { 921 /* 922 * We still got (or just got) data to send, so set 923 * SHUTDOWN_PENDING. 924 */ 925 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 926 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 927 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 928 } 929 if (TAILQ_EMPTY(&asoc->send_queue) && 930 TAILQ_EMPTY(&asoc->sent_queue) && 931 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 932 struct mbuf *op_err; 933 934 abort_anyway: 935 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 936 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 937 SCTP_INP_RUNLOCK(inp); 938 sctp_abort_an_association(stcb->sctp_ep, stcb, 939 op_err, false, SCTP_SO_LOCKED); 940 NET_EPOCH_EXIT(et); 941 return (0); 942 } 943 } 944 /* 945 * XXX: Why do this in the case where we have still data 946 * queued? 947 */ 948 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 949 SCTP_TCB_UNLOCK(stcb); 950 SCTP_INP_RUNLOCK(inp); 951 NET_EPOCH_EXIT(et); 952 return (0); 953 } 954 } 955 956 /* 957 * copies a "user" presentable address and removes embedded scope, etc. 958 * returns 0 on success, 1 on error 959 */ 960 static uint32_t 961 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 962 { 963 #ifdef INET6 964 struct sockaddr_in6 lsa6; 965 966 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 967 &lsa6); 968 #endif 969 memcpy(dst, src, src->sa_len); 970 return (0); 971 } 972 973 static size_t 974 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 975 struct sctp_tcb *stcb, 976 size_t limit, 977 struct sockaddr *addr, 978 uint32_t vrf_id) 979 { 980 struct sctp_ifn *sctp_ifn; 981 struct sctp_ifa *sctp_ifa; 982 size_t actual; 983 int loopback_scope; 984 #if defined(INET) 985 int ipv4_local_scope, ipv4_addr_legal; 986 #endif 987 #if defined(INET6) 988 int local_scope, site_scope, ipv6_addr_legal; 989 #endif 990 struct sctp_vrf *vrf; 991 992 SCTP_IPI_ADDR_LOCK_ASSERT(); 993 actual = 0; 994 if (limit == 0) 995 return (actual); 996 997 if (stcb) { 998 /* Turn on all the appropriate scope */ 999 loopback_scope = stcb->asoc.scope.loopback_scope; 1000 #if defined(INET) 1001 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1002 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1003 #endif 1004 #if defined(INET6) 1005 local_scope = stcb->asoc.scope.local_scope; 1006 site_scope = stcb->asoc.scope.site_scope; 1007 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1008 #endif 1009 } else { 1010 /* Use generic values for endpoints. */ 1011 loopback_scope = 1; 1012 #if defined(INET) 1013 ipv4_local_scope = 1; 1014 #endif 1015 #if defined(INET6) 1016 local_scope = 1; 1017 site_scope = 1; 1018 #endif 1019 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1020 #if defined(INET6) 1021 ipv6_addr_legal = 1; 1022 #endif 1023 #if defined(INET) 1024 if (SCTP_IPV6_V6ONLY(inp)) { 1025 ipv4_addr_legal = 0; 1026 } else { 1027 ipv4_addr_legal = 1; 1028 } 1029 #endif 1030 } else { 1031 #if defined(INET6) 1032 ipv6_addr_legal = 0; 1033 #endif 1034 #if defined(INET) 1035 ipv4_addr_legal = 1; 1036 #endif 1037 } 1038 } 1039 vrf = sctp_find_vrf(vrf_id); 1040 if (vrf == NULL) { 1041 return (0); 1042 } 1043 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1044 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1045 if ((loopback_scope == 0) && 1046 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1047 /* Skip loopback if loopback_scope not set */ 1048 continue; 1049 } 1050 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1051 if (stcb) { 1052 /* 1053 * For the BOUND-ALL case, the list 1054 * associated with a TCB is Always 1055 * considered a reverse list.. i.e. 1056 * it lists addresses that are NOT 1057 * part of the association. If this 1058 * is one of those we must skip it. 1059 */ 1060 if (sctp_is_addr_restricted(stcb, 1061 sctp_ifa)) { 1062 continue; 1063 } 1064 } 1065 switch (sctp_ifa->address.sa.sa_family) { 1066 #ifdef INET 1067 case AF_INET: 1068 if (ipv4_addr_legal) { 1069 struct sockaddr_in *sin; 1070 1071 sin = &sctp_ifa->address.sin; 1072 if (sin->sin_addr.s_addr == 0) { 1073 /* 1074 * we skip 1075 * unspecified 1076 * addresses 1077 */ 1078 continue; 1079 } 1080 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1081 &sin->sin_addr) != 0) { 1082 continue; 1083 } 1084 if ((ipv4_local_scope == 0) && 1085 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1086 continue; 1087 } 1088 #ifdef INET6 1089 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1090 if (actual + sizeof(struct sockaddr_in6) > limit) { 1091 return (actual); 1092 } 1093 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr); 1094 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1095 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1096 actual += sizeof(struct sockaddr_in6); 1097 } else { 1098 #endif 1099 if (actual + sizeof(struct sockaddr_in) > limit) { 1100 return (actual); 1101 } 1102 memcpy(addr, sin, sizeof(struct sockaddr_in)); 1103 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1104 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); 1105 actual += sizeof(struct sockaddr_in); 1106 #ifdef INET6 1107 } 1108 #endif 1109 } else { 1110 continue; 1111 } 1112 break; 1113 #endif 1114 #ifdef INET6 1115 case AF_INET6: 1116 if (ipv6_addr_legal) { 1117 struct sockaddr_in6 *sin6; 1118 1119 sin6 = &sctp_ifa->address.sin6; 1120 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1121 /* 1122 * we skip 1123 * unspecified 1124 * addresses 1125 */ 1126 continue; 1127 } 1128 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1129 &sin6->sin6_addr) != 0) { 1130 continue; 1131 } 1132 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1133 if (local_scope == 0) 1134 continue; 1135 if (sin6->sin6_scope_id == 0) { 1136 if (sa6_recoverscope(sin6) != 0) 1137 /* 1138 * 1139 * bad 1140 * link 1141 * 1142 * local 1143 * 1144 * address 1145 */ 1146 continue; 1147 } 1148 } 1149 if ((site_scope == 0) && 1150 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1151 continue; 1152 } 1153 if (actual + sizeof(struct sockaddr_in6) > limit) { 1154 return (actual); 1155 } 1156 memcpy(addr, sin6, sizeof(struct sockaddr_in6)); 1157 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1158 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1159 actual += sizeof(struct sockaddr_in6); 1160 } else { 1161 continue; 1162 } 1163 break; 1164 #endif 1165 default: 1166 /* TSNH */ 1167 break; 1168 } 1169 } 1170 } 1171 } else { 1172 struct sctp_laddr *laddr; 1173 size_t sa_len; 1174 1175 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1176 if (stcb) { 1177 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1178 continue; 1179 } 1180 } 1181 sa_len = laddr->ifa->address.sa.sa_len; 1182 if (actual + sa_len > limit) { 1183 return (actual); 1184 } 1185 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) 1186 continue; 1187 switch (laddr->ifa->address.sa.sa_family) { 1188 #ifdef INET 1189 case AF_INET: 1190 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1191 break; 1192 #endif 1193 #ifdef INET6 1194 case AF_INET6: 1195 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1196 break; 1197 #endif 1198 default: 1199 /* TSNH */ 1200 break; 1201 } 1202 addr = (struct sockaddr *)((caddr_t)addr + sa_len); 1203 actual += sa_len; 1204 } 1205 } 1206 return (actual); 1207 } 1208 1209 static size_t 1210 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1211 struct sctp_tcb *stcb, 1212 size_t limit, 1213 struct sockaddr *addr) 1214 { 1215 size_t size; 1216 1217 SCTP_IPI_ADDR_RLOCK(); 1218 /* fill up addresses for the endpoint's default vrf */ 1219 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, 1220 inp->def_vrf_id); 1221 SCTP_IPI_ADDR_RUNLOCK(); 1222 return (size); 1223 } 1224 1225 static size_t 1226 sctp_max_size_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1227 { 1228 struct sctp_vrf *vrf; 1229 size_t size; 1230 1231 /* 1232 * In both sub-set bound an bound_all cases we return the size of 1233 * the maximum number of addresses that you could get. In reality 1234 * the sub-set bound may have an exclusion list for a given TCB or 1235 * in the bound-all case a TCB may NOT include the loopback or other 1236 * addresses as well. 1237 */ 1238 SCTP_IPI_ADDR_LOCK_ASSERT(); 1239 vrf = sctp_find_vrf(vrf_id); 1240 if (vrf == NULL) { 1241 return (0); 1242 } 1243 size = 0; 1244 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1245 struct sctp_ifn *sctp_ifn; 1246 struct sctp_ifa *sctp_ifa; 1247 1248 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1249 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1250 /* Count them if they are the right type */ 1251 switch (sctp_ifa->address.sa.sa_family) { 1252 #ifdef INET 1253 case AF_INET: 1254 #ifdef INET6 1255 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1256 size += sizeof(struct sockaddr_in6); 1257 else 1258 size += sizeof(struct sockaddr_in); 1259 #else 1260 size += sizeof(struct sockaddr_in); 1261 #endif 1262 break; 1263 #endif 1264 #ifdef INET6 1265 case AF_INET6: 1266 size += sizeof(struct sockaddr_in6); 1267 break; 1268 #endif 1269 default: 1270 break; 1271 } 1272 } 1273 } 1274 } else { 1275 struct sctp_laddr *laddr; 1276 1277 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1278 switch (laddr->ifa->address.sa.sa_family) { 1279 #ifdef INET 1280 case AF_INET: 1281 #ifdef INET6 1282 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1283 size += sizeof(struct sockaddr_in6); 1284 else 1285 size += sizeof(struct sockaddr_in); 1286 #else 1287 size += sizeof(struct sockaddr_in); 1288 #endif 1289 break; 1290 #endif 1291 #ifdef INET6 1292 case AF_INET6: 1293 size += sizeof(struct sockaddr_in6); 1294 break; 1295 #endif 1296 default: 1297 break; 1298 } 1299 } 1300 } 1301 return (size); 1302 } 1303 1304 static size_t 1305 sctp_max_size_addresses(struct sctp_inpcb *inp) 1306 { 1307 size_t size; 1308 1309 SCTP_IPI_ADDR_RLOCK(); 1310 /* Maximum size of all addresses for the endpoint's default VRF */ 1311 size = sctp_max_size_addresses_vrf(inp, inp->def_vrf_id); 1312 SCTP_IPI_ADDR_RUNLOCK(); 1313 return (size); 1314 } 1315 1316 static int 1317 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1318 size_t optsize, void *p, int delay) 1319 { 1320 int error; 1321 int creat_lock_on = 0; 1322 struct sctp_tcb *stcb = NULL; 1323 struct sockaddr *sa; 1324 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1325 uint32_t vrf_id; 1326 sctp_assoc_t *a_id; 1327 1328 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1329 1330 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1331 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1332 /* We are already connected AND the TCP model */ 1333 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1334 return (EADDRINUSE); 1335 } 1336 1337 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1338 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1339 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1340 return (EINVAL); 1341 } 1342 1343 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1344 SCTP_INP_RLOCK(inp); 1345 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1346 SCTP_INP_RUNLOCK(inp); 1347 } 1348 if (stcb) { 1349 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1350 return (EALREADY); 1351 } 1352 SCTP_INP_INCR_REF(inp); 1353 SCTP_ASOC_CREATE_LOCK(inp); 1354 creat_lock_on = 1; 1355 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1356 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1357 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1358 error = EFAULT; 1359 goto out_now; 1360 } 1361 totaddrp = (unsigned int *)optval; 1362 totaddr = *totaddrp; 1363 sa = (struct sockaddr *)(totaddrp + 1); 1364 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1365 if (error != 0) { 1366 /* Already have or am bring up an association */ 1367 SCTP_ASOC_CREATE_UNLOCK(inp); 1368 creat_lock_on = 0; 1369 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1370 goto out_now; 1371 } 1372 #ifdef INET6 1373 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1374 (num_v6 > 0)) { 1375 error = EINVAL; 1376 goto out_now; 1377 } 1378 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1379 (num_v4 > 0)) { 1380 if (SCTP_IPV6_V6ONLY(inp)) { 1381 /* 1382 * if IPV6_V6ONLY flag, ignore connections destined 1383 * to a v4 addr or v4-mapped addr 1384 */ 1385 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1386 error = EINVAL; 1387 goto out_now; 1388 } 1389 } 1390 #endif /* INET6 */ 1391 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 1392 /* Bind a ephemeral port */ 1393 error = sctp_inpcb_bind(so, NULL, NULL, p); 1394 if (error) { 1395 goto out_now; 1396 } 1397 } 1398 1399 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1400 vrf_id = inp->def_vrf_id; 1401 1402 /* We are GOOD to go */ 1403 stcb = sctp_aloc_assoc_connected(inp, sa, &error, 0, 0, vrf_id, 1404 inp->sctp_ep.pre_open_stream_count, 1405 inp->sctp_ep.port, 1406 (struct thread *)p, 1407 SCTP_INITIALIZE_AUTH_PARAMS); 1408 if (stcb == NULL) { 1409 /* Gak! no memory */ 1410 goto out_now; 1411 } 1412 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1413 /* move to second address */ 1414 switch (sa->sa_family) { 1415 #ifdef INET 1416 case AF_INET: 1417 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1418 break; 1419 #endif 1420 #ifdef INET6 1421 case AF_INET6: 1422 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1423 break; 1424 #endif 1425 default: 1426 break; 1427 } 1428 1429 error = 0; 1430 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1431 /* Fill in the return id */ 1432 if (error) { 1433 goto out_now; 1434 } 1435 a_id = (sctp_assoc_t *)optval; 1436 *a_id = sctp_get_associd(stcb); 1437 1438 if (delay) { 1439 /* doing delayed connection */ 1440 stcb->asoc.delayed_connection = 1; 1441 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1442 } else { 1443 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1444 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1445 } 1446 SCTP_TCB_UNLOCK(stcb); 1447 out_now: 1448 if (creat_lock_on) { 1449 SCTP_ASOC_CREATE_UNLOCK(inp); 1450 } 1451 SCTP_INP_DECR_REF(inp); 1452 return (error); 1453 } 1454 1455 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1456 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1457 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1458 SCTP_INP_RLOCK(inp); \ 1459 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1460 if (stcb) { \ 1461 SCTP_TCB_LOCK(stcb); \ 1462 } \ 1463 SCTP_INP_RUNLOCK(inp); \ 1464 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1465 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1466 if (stcb == NULL) { \ 1467 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1468 error = ENOENT; \ 1469 break; \ 1470 } \ 1471 } else { \ 1472 stcb = NULL; \ 1473 } \ 1474 } 1475 1476 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1477 if (size < sizeof(type)) { \ 1478 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1479 error = EINVAL; \ 1480 break; \ 1481 } else { \ 1482 destp = (type *)srcp; \ 1483 } \ 1484 } 1485 1486 static int 1487 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1488 void *p) 1489 { 1490 struct sctp_inpcb *inp = NULL; 1491 int error, val = 0; 1492 struct sctp_tcb *stcb = NULL; 1493 1494 if (optval == NULL) { 1495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1496 return (EINVAL); 1497 } 1498 1499 inp = (struct sctp_inpcb *)so->so_pcb; 1500 if (inp == NULL) { 1501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1502 return EINVAL; 1503 } 1504 error = 0; 1505 1506 switch (optname) { 1507 case SCTP_NODELAY: 1508 case SCTP_AUTOCLOSE: 1509 case SCTP_EXPLICIT_EOR: 1510 case SCTP_AUTO_ASCONF: 1511 case SCTP_DISABLE_FRAGMENTS: 1512 case SCTP_I_WANT_MAPPED_V4_ADDR: 1513 case SCTP_USE_EXT_RCVINFO: 1514 SCTP_INP_RLOCK(inp); 1515 switch (optname) { 1516 case SCTP_DISABLE_FRAGMENTS: 1517 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1518 break; 1519 case SCTP_I_WANT_MAPPED_V4_ADDR: 1520 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1521 break; 1522 case SCTP_AUTO_ASCONF: 1523 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1524 /* only valid for bound all sockets */ 1525 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1526 } else { 1527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1528 error = EINVAL; 1529 goto flags_out; 1530 } 1531 break; 1532 case SCTP_EXPLICIT_EOR: 1533 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1534 break; 1535 case SCTP_NODELAY: 1536 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1537 break; 1538 case SCTP_USE_EXT_RCVINFO: 1539 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1540 break; 1541 case SCTP_AUTOCLOSE: 1542 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1543 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1544 else 1545 val = 0; 1546 break; 1547 1548 default: 1549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1550 error = ENOPROTOOPT; 1551 } /* end switch (sopt->sopt_name) */ 1552 if (*optsize < sizeof(val)) { 1553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1554 error = EINVAL; 1555 } 1556 flags_out: 1557 SCTP_INP_RUNLOCK(inp); 1558 if (error == 0) { 1559 /* return the option value */ 1560 *(int *)optval = val; 1561 *optsize = sizeof(val); 1562 } 1563 break; 1564 case SCTP_GET_PACKET_LOG: 1565 { 1566 #ifdef SCTP_PACKET_LOGGING 1567 uint8_t *target; 1568 int ret; 1569 1570 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1571 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1572 *optsize = ret; 1573 #else 1574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1575 error = EOPNOTSUPP; 1576 #endif 1577 break; 1578 } 1579 case SCTP_REUSE_PORT: 1580 { 1581 uint32_t *value; 1582 1583 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1584 /* Can't do this for a 1-m socket */ 1585 error = EINVAL; 1586 break; 1587 } 1588 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1589 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1590 *optsize = sizeof(uint32_t); 1591 break; 1592 } 1593 case SCTP_PARTIAL_DELIVERY_POINT: 1594 { 1595 uint32_t *value; 1596 1597 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1598 *value = inp->partial_delivery_point; 1599 *optsize = sizeof(uint32_t); 1600 break; 1601 } 1602 case SCTP_FRAGMENT_INTERLEAVE: 1603 { 1604 uint32_t *value; 1605 1606 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1607 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1608 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1609 *value = SCTP_FRAG_LEVEL_2; 1610 } else { 1611 *value = SCTP_FRAG_LEVEL_1; 1612 } 1613 } else { 1614 *value = SCTP_FRAG_LEVEL_0; 1615 } 1616 *optsize = sizeof(uint32_t); 1617 break; 1618 } 1619 case SCTP_INTERLEAVING_SUPPORTED: 1620 { 1621 struct sctp_assoc_value *av; 1622 1623 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1624 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1625 1626 if (stcb) { 1627 av->assoc_value = stcb->asoc.idata_supported; 1628 SCTP_TCB_UNLOCK(stcb); 1629 } else { 1630 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1631 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1632 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1633 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1634 SCTP_INP_RLOCK(inp); 1635 if (inp->idata_supported) { 1636 av->assoc_value = 1; 1637 } else { 1638 av->assoc_value = 0; 1639 } 1640 SCTP_INP_RUNLOCK(inp); 1641 } else { 1642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1643 error = EINVAL; 1644 } 1645 } 1646 if (error == 0) { 1647 *optsize = sizeof(struct sctp_assoc_value); 1648 } 1649 break; 1650 } 1651 case SCTP_CMT_ON_OFF: 1652 { 1653 struct sctp_assoc_value *av; 1654 1655 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1656 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1657 if (stcb) { 1658 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1659 SCTP_TCB_UNLOCK(stcb); 1660 } else { 1661 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1662 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1663 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1664 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1665 SCTP_INP_RLOCK(inp); 1666 av->assoc_value = inp->sctp_cmt_on_off; 1667 SCTP_INP_RUNLOCK(inp); 1668 } else { 1669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1670 error = EINVAL; 1671 } 1672 } 1673 if (error == 0) { 1674 *optsize = sizeof(struct sctp_assoc_value); 1675 } 1676 break; 1677 } 1678 case SCTP_PLUGGABLE_CC: 1679 { 1680 struct sctp_assoc_value *av; 1681 1682 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1683 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1684 if (stcb) { 1685 av->assoc_value = stcb->asoc.congestion_control_module; 1686 SCTP_TCB_UNLOCK(stcb); 1687 } else { 1688 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1689 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1690 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1691 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1692 SCTP_INP_RLOCK(inp); 1693 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1694 SCTP_INP_RUNLOCK(inp); 1695 } else { 1696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1697 error = EINVAL; 1698 } 1699 } 1700 if (error == 0) { 1701 *optsize = sizeof(struct sctp_assoc_value); 1702 } 1703 break; 1704 } 1705 case SCTP_CC_OPTION: 1706 { 1707 struct sctp_cc_option *cc_opt; 1708 1709 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1710 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1711 if (stcb == NULL) { 1712 error = EINVAL; 1713 } else { 1714 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1715 error = ENOTSUP; 1716 } else { 1717 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1718 *optsize = sizeof(struct sctp_cc_option); 1719 } 1720 SCTP_TCB_UNLOCK(stcb); 1721 } 1722 break; 1723 } 1724 case SCTP_STREAM_SCHEDULER: 1725 { 1726 struct sctp_assoc_value *av; 1727 1728 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1729 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1730 if (stcb) { 1731 av->assoc_value = stcb->asoc.stream_scheduling_module; 1732 SCTP_TCB_UNLOCK(stcb); 1733 } else { 1734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1735 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1736 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1737 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1738 SCTP_INP_RLOCK(inp); 1739 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1740 SCTP_INP_RUNLOCK(inp); 1741 } else { 1742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1743 error = EINVAL; 1744 } 1745 } 1746 if (error == 0) { 1747 *optsize = sizeof(struct sctp_assoc_value); 1748 } 1749 break; 1750 } 1751 case SCTP_STREAM_SCHEDULER_VALUE: 1752 { 1753 struct sctp_stream_value *av; 1754 1755 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1756 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1757 if (stcb) { 1758 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1759 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1760 &av->stream_value) < 0)) { 1761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1762 error = EINVAL; 1763 } else { 1764 *optsize = sizeof(struct sctp_stream_value); 1765 } 1766 SCTP_TCB_UNLOCK(stcb); 1767 } else { 1768 /* 1769 * Can't get stream value without 1770 * association 1771 */ 1772 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1773 error = EINVAL; 1774 } 1775 break; 1776 } 1777 case SCTP_GET_ADDR_LEN: 1778 { 1779 struct sctp_assoc_value *av; 1780 1781 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1782 error = EINVAL; 1783 #ifdef INET 1784 if (av->assoc_value == AF_INET) { 1785 av->assoc_value = sizeof(struct sockaddr_in); 1786 error = 0; 1787 } 1788 #endif 1789 #ifdef INET6 1790 if (av->assoc_value == AF_INET6) { 1791 av->assoc_value = sizeof(struct sockaddr_in6); 1792 error = 0; 1793 } 1794 #endif 1795 if (error) { 1796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1797 } else { 1798 *optsize = sizeof(struct sctp_assoc_value); 1799 } 1800 break; 1801 } 1802 case SCTP_GET_ASSOC_NUMBER: 1803 { 1804 uint32_t *value, cnt; 1805 1806 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1807 SCTP_INP_RLOCK(inp); 1808 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1809 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1810 /* Can't do this for a 1-1 socket */ 1811 error = EINVAL; 1812 SCTP_INP_RUNLOCK(inp); 1813 break; 1814 } 1815 cnt = 0; 1816 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1817 cnt++; 1818 } 1819 SCTP_INP_RUNLOCK(inp); 1820 *value = cnt; 1821 *optsize = sizeof(uint32_t); 1822 break; 1823 } 1824 case SCTP_GET_ASSOC_ID_LIST: 1825 { 1826 struct sctp_assoc_ids *ids; 1827 uint32_t at; 1828 size_t limit; 1829 1830 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1831 SCTP_INP_RLOCK(inp); 1832 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1833 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1834 /* Can't do this for a 1-1 socket */ 1835 error = EINVAL; 1836 SCTP_INP_RUNLOCK(inp); 1837 break; 1838 } 1839 at = 0; 1840 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1841 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1842 if (at < limit) { 1843 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1844 if (at == 0) { 1845 error = EINVAL; 1846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1847 break; 1848 } 1849 } else { 1850 error = EINVAL; 1851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1852 break; 1853 } 1854 } 1855 SCTP_INP_RUNLOCK(inp); 1856 if (error == 0) { 1857 ids->gaids_number_of_ids = at; 1858 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1859 } 1860 break; 1861 } 1862 case SCTP_CONTEXT: 1863 { 1864 struct sctp_assoc_value *av; 1865 1866 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1867 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1868 1869 if (stcb) { 1870 av->assoc_value = stcb->asoc.context; 1871 SCTP_TCB_UNLOCK(stcb); 1872 } else { 1873 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1874 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1875 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1876 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1877 SCTP_INP_RLOCK(inp); 1878 av->assoc_value = inp->sctp_context; 1879 SCTP_INP_RUNLOCK(inp); 1880 } else { 1881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1882 error = EINVAL; 1883 } 1884 } 1885 if (error == 0) { 1886 *optsize = sizeof(struct sctp_assoc_value); 1887 } 1888 break; 1889 } 1890 case SCTP_VRF_ID: 1891 { 1892 uint32_t *default_vrfid; 1893 1894 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1895 *default_vrfid = inp->def_vrf_id; 1896 *optsize = sizeof(uint32_t); 1897 break; 1898 } 1899 case SCTP_GET_ASOC_VRF: 1900 { 1901 struct sctp_assoc_value *id; 1902 1903 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1904 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1905 if (stcb == NULL) { 1906 error = EINVAL; 1907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1908 } else { 1909 id->assoc_value = stcb->asoc.vrf_id; 1910 SCTP_TCB_UNLOCK(stcb); 1911 *optsize = sizeof(struct sctp_assoc_value); 1912 } 1913 break; 1914 } 1915 case SCTP_GET_VRF_IDS: 1916 { 1917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1918 error = EOPNOTSUPP; 1919 break; 1920 } 1921 case SCTP_GET_NONCE_VALUES: 1922 { 1923 struct sctp_get_nonce_values *gnv; 1924 1925 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1926 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1927 1928 if (stcb) { 1929 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1930 gnv->gn_local_tag = stcb->asoc.my_vtag; 1931 SCTP_TCB_UNLOCK(stcb); 1932 *optsize = sizeof(struct sctp_get_nonce_values); 1933 } else { 1934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1935 error = ENOTCONN; 1936 } 1937 break; 1938 } 1939 case SCTP_DELAYED_SACK: 1940 { 1941 struct sctp_sack_info *sack; 1942 1943 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1944 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1945 if (stcb) { 1946 sack->sack_delay = stcb->asoc.delayed_ack; 1947 sack->sack_freq = stcb->asoc.sack_freq; 1948 SCTP_TCB_UNLOCK(stcb); 1949 } else { 1950 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1951 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1952 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1953 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1954 SCTP_INP_RLOCK(inp); 1955 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1956 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1957 SCTP_INP_RUNLOCK(inp); 1958 } else { 1959 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1960 error = EINVAL; 1961 } 1962 } 1963 if (error == 0) { 1964 *optsize = sizeof(struct sctp_sack_info); 1965 } 1966 break; 1967 } 1968 case SCTP_GET_SNDBUF_USE: 1969 { 1970 struct sctp_sockstat *ss; 1971 1972 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 1973 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 1974 1975 if (stcb) { 1976 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 1977 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 1978 stcb->asoc.size_on_all_streams); 1979 SCTP_TCB_UNLOCK(stcb); 1980 *optsize = sizeof(struct sctp_sockstat); 1981 } else { 1982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1983 error = ENOTCONN; 1984 } 1985 break; 1986 } 1987 case SCTP_MAX_BURST: 1988 { 1989 struct sctp_assoc_value *av; 1990 1991 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1992 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1993 1994 if (stcb) { 1995 av->assoc_value = stcb->asoc.max_burst; 1996 SCTP_TCB_UNLOCK(stcb); 1997 } else { 1998 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1999 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2000 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2001 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2002 SCTP_INP_RLOCK(inp); 2003 av->assoc_value = inp->sctp_ep.max_burst; 2004 SCTP_INP_RUNLOCK(inp); 2005 } else { 2006 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2007 error = EINVAL; 2008 } 2009 } 2010 if (error == 0) { 2011 *optsize = sizeof(struct sctp_assoc_value); 2012 } 2013 break; 2014 } 2015 case SCTP_MAXSEG: 2016 { 2017 struct sctp_assoc_value *av; 2018 2019 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2020 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2021 2022 if (stcb) { 2023 av->assoc_value = stcb->asoc.sctp_frag_point; 2024 SCTP_TCB_UNLOCK(stcb); 2025 } else { 2026 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2027 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2028 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2029 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2030 SCTP_INP_RLOCK(inp); 2031 av->assoc_value = inp->sctp_frag_point; 2032 SCTP_INP_RUNLOCK(inp); 2033 } else { 2034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2035 error = EINVAL; 2036 } 2037 } 2038 if (error == 0) { 2039 *optsize = sizeof(struct sctp_assoc_value); 2040 } 2041 break; 2042 } 2043 case SCTP_GET_STAT_LOG: 2044 error = sctp_fill_stat_log(optval, optsize); 2045 break; 2046 case SCTP_EVENTS: 2047 { 2048 struct sctp_event_subscribe *events; 2049 2050 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2051 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2052 SCTP_INP_RLOCK(inp); 2053 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2054 events->sctp_data_io_event = 1; 2055 2056 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2057 events->sctp_association_event = 1; 2058 2059 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2060 events->sctp_address_event = 1; 2061 2062 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2063 events->sctp_send_failure_event = 1; 2064 2065 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2066 events->sctp_peer_error_event = 1; 2067 2068 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2069 events->sctp_shutdown_event = 1; 2070 2071 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2072 events->sctp_partial_delivery_event = 1; 2073 2074 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2075 events->sctp_adaptation_layer_event = 1; 2076 2077 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2078 events->sctp_authentication_event = 1; 2079 2080 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2081 events->sctp_sender_dry_event = 1; 2082 2083 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2084 events->sctp_stream_reset_event = 1; 2085 SCTP_INP_RUNLOCK(inp); 2086 *optsize = sizeof(struct sctp_event_subscribe); 2087 break; 2088 } 2089 case SCTP_ADAPTATION_LAYER: 2090 { 2091 uint32_t *value; 2092 2093 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2094 2095 SCTP_INP_RLOCK(inp); 2096 *value = inp->sctp_ep.adaptation_layer_indicator; 2097 SCTP_INP_RUNLOCK(inp); 2098 *optsize = sizeof(uint32_t); 2099 break; 2100 } 2101 case SCTP_SET_INITIAL_DBG_SEQ: 2102 { 2103 uint32_t *value; 2104 2105 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2106 SCTP_INP_RLOCK(inp); 2107 *value = inp->sctp_ep.initial_sequence_debug; 2108 SCTP_INP_RUNLOCK(inp); 2109 *optsize = sizeof(uint32_t); 2110 break; 2111 } 2112 case SCTP_GET_LOCAL_ADDR_SIZE: 2113 { 2114 uint32_t *value; 2115 2116 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2117 SCTP_INP_RLOCK(inp); 2118 *value = (uint32_t)sctp_max_size_addresses(inp); 2119 SCTP_INP_RUNLOCK(inp); 2120 *optsize = sizeof(uint32_t); 2121 break; 2122 } 2123 case SCTP_GET_REMOTE_ADDR_SIZE: 2124 { 2125 uint32_t *value; 2126 struct sctp_nets *net; 2127 size_t size; 2128 2129 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2130 /* FIXME MT: change to sctp_assoc_value? */ 2131 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2132 2133 if (stcb != NULL) { 2134 size = 0; 2135 /* Count the sizes */ 2136 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2137 switch (net->ro._l_addr.sa.sa_family) { 2138 #ifdef INET 2139 case AF_INET: 2140 #ifdef INET6 2141 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2142 size += sizeof(struct sockaddr_in6); 2143 } else { 2144 size += sizeof(struct sockaddr_in); 2145 } 2146 #else 2147 size += sizeof(struct sockaddr_in); 2148 #endif 2149 break; 2150 #endif 2151 #ifdef INET6 2152 case AF_INET6: 2153 size += sizeof(struct sockaddr_in6); 2154 break; 2155 #endif 2156 default: 2157 break; 2158 } 2159 } 2160 SCTP_TCB_UNLOCK(stcb); 2161 *value = (uint32_t)size; 2162 *optsize = sizeof(uint32_t); 2163 } else { 2164 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2165 ((sctp_assoc_t)*value <= SCTP_ALL_ASSOC)) { 2166 error = EINVAL; 2167 } else { 2168 error = ENOENT; 2169 } 2170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2171 } 2172 break; 2173 } 2174 case SCTP_GET_PEER_ADDRESSES: 2175 /* 2176 * Get the address information, an array is passed in to 2177 * fill up we pack it. 2178 */ 2179 { 2180 size_t cpsz, left; 2181 struct sockaddr *addr; 2182 struct sctp_nets *net; 2183 struct sctp_getaddresses *saddr; 2184 2185 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2186 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2187 2188 if (stcb != NULL) { 2189 left = *optsize - offsetof(struct sctp_getaddresses, addr); 2190 *optsize = offsetof(struct sctp_getaddresses, addr); 2191 addr = &saddr->addr[0].sa; 2192 2193 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2194 switch (net->ro._l_addr.sa.sa_family) { 2195 #ifdef INET 2196 case AF_INET: 2197 #ifdef INET6 2198 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2199 cpsz = sizeof(struct sockaddr_in6); 2200 } else { 2201 cpsz = sizeof(struct sockaddr_in); 2202 } 2203 #else 2204 cpsz = sizeof(struct sockaddr_in); 2205 #endif 2206 break; 2207 #endif 2208 #ifdef INET6 2209 case AF_INET6: 2210 cpsz = sizeof(struct sockaddr_in6); 2211 break; 2212 #endif 2213 default: 2214 cpsz = 0; 2215 break; 2216 } 2217 if (cpsz == 0) { 2218 break; 2219 } 2220 if (left < cpsz) { 2221 /* not enough room. */ 2222 break; 2223 } 2224 #if defined(INET) && defined(INET6) 2225 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2226 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2227 /* Must map the address */ 2228 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2229 (struct sockaddr_in6 *)addr); 2230 } else { 2231 memcpy(addr, &net->ro._l_addr, cpsz); 2232 } 2233 #else 2234 memcpy(addr, &net->ro._l_addr, cpsz); 2235 #endif 2236 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2237 2238 addr = (struct sockaddr *)((caddr_t)addr + cpsz); 2239 left -= cpsz; 2240 *optsize += cpsz; 2241 } 2242 SCTP_TCB_UNLOCK(stcb); 2243 } else { 2244 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2245 (saddr->sget_assoc_id <= SCTP_ALL_ASSOC)) { 2246 error = EINVAL; 2247 } else { 2248 error = ENOENT; 2249 } 2250 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2251 } 2252 break; 2253 } 2254 case SCTP_GET_LOCAL_ADDRESSES: 2255 { 2256 size_t limit, actual; 2257 struct sctp_getaddresses *saddr; 2258 2259 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2260 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2261 2262 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2263 ((saddr->sget_assoc_id == SCTP_CURRENT_ASSOC) || 2264 (saddr->sget_assoc_id == SCTP_ALL_ASSOC))) { 2265 error = EINVAL; 2266 } else { 2267 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2268 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2269 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2270 } 2271 if (stcb != NULL) { 2272 SCTP_TCB_UNLOCK(stcb); 2273 } 2274 break; 2275 } 2276 case SCTP_PEER_ADDR_PARAMS: 2277 { 2278 struct sctp_paddrparams *paddrp; 2279 struct sctp_nets *net; 2280 struct sockaddr *addr; 2281 #if defined(INET) && defined(INET6) 2282 struct sockaddr_in sin_store; 2283 #endif 2284 2285 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2286 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2287 2288 #if defined(INET) && defined(INET6) 2289 if (paddrp->spp_address.ss_family == AF_INET6) { 2290 struct sockaddr_in6 *sin6; 2291 2292 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2293 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2294 in6_sin6_2_sin(&sin_store, sin6); 2295 addr = (struct sockaddr *)&sin_store; 2296 } else { 2297 addr = (struct sockaddr *)&paddrp->spp_address; 2298 } 2299 } else { 2300 addr = (struct sockaddr *)&paddrp->spp_address; 2301 } 2302 #else 2303 addr = (struct sockaddr *)&paddrp->spp_address; 2304 #endif 2305 if (stcb != NULL) { 2306 net = sctp_findnet(stcb, addr); 2307 } else { 2308 /* 2309 * We increment here since 2310 * sctp_findassociation_ep_addr() wil do a 2311 * decrement if it finds the stcb as long as 2312 * the locked tcb (last argument) is NOT a 2313 * TCB.. aka NULL. 2314 */ 2315 net = NULL; 2316 SCTP_INP_INCR_REF(inp); 2317 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2318 if (stcb == NULL) { 2319 SCTP_INP_DECR_REF(inp); 2320 } 2321 } 2322 if ((stcb != NULL) && (net == NULL)) { 2323 #ifdef INET 2324 if (addr->sa_family == AF_INET) { 2325 struct sockaddr_in *sin; 2326 2327 sin = (struct sockaddr_in *)addr; 2328 if (sin->sin_addr.s_addr != INADDR_ANY) { 2329 error = EINVAL; 2330 SCTP_TCB_UNLOCK(stcb); 2331 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2332 break; 2333 } 2334 } else 2335 #endif 2336 #ifdef INET6 2337 if (addr->sa_family == AF_INET6) { 2338 struct sockaddr_in6 *sin6; 2339 2340 sin6 = (struct sockaddr_in6 *)addr; 2341 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2342 error = EINVAL; 2343 SCTP_TCB_UNLOCK(stcb); 2344 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2345 break; 2346 } 2347 } else 2348 #endif 2349 { 2350 error = EAFNOSUPPORT; 2351 SCTP_TCB_UNLOCK(stcb); 2352 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2353 break; 2354 } 2355 } 2356 2357 if (stcb != NULL) { 2358 /* Applies to the specific association */ 2359 paddrp->spp_flags = 0; 2360 if (net != NULL) { 2361 paddrp->spp_hbinterval = net->heart_beat_delay; 2362 paddrp->spp_pathmaxrxt = net->failure_threshold; 2363 paddrp->spp_pathmtu = net->mtu; 2364 switch (net->ro._l_addr.sa.sa_family) { 2365 #ifdef INET 2366 case AF_INET: 2367 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2368 break; 2369 #endif 2370 #ifdef INET6 2371 case AF_INET6: 2372 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2373 break; 2374 #endif 2375 default: 2376 break; 2377 } 2378 /* get flags for HB */ 2379 if (net->dest_state & SCTP_ADDR_NOHB) { 2380 paddrp->spp_flags |= SPP_HB_DISABLE; 2381 } else { 2382 paddrp->spp_flags |= SPP_HB_ENABLE; 2383 } 2384 /* get flags for PMTU */ 2385 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2386 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2387 } else { 2388 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2389 } 2390 if (net->dscp & 0x01) { 2391 paddrp->spp_dscp = net->dscp & 0xfc; 2392 paddrp->spp_flags |= SPP_DSCP; 2393 } 2394 #ifdef INET6 2395 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2396 (net->flowlabel & 0x80000000)) { 2397 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2398 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2399 } 2400 #endif 2401 } else { 2402 /* 2403 * No destination so return default 2404 * value 2405 */ 2406 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2407 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2408 if (stcb->asoc.default_dscp & 0x01) { 2409 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2410 paddrp->spp_flags |= SPP_DSCP; 2411 } 2412 #ifdef INET6 2413 if (stcb->asoc.default_flowlabel & 0x80000000) { 2414 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2415 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2416 } 2417 #endif 2418 /* default settings should be these */ 2419 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2420 paddrp->spp_flags |= SPP_HB_DISABLE; 2421 } else { 2422 paddrp->spp_flags |= SPP_HB_ENABLE; 2423 } 2424 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2425 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2426 } else { 2427 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2428 } 2429 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2430 } 2431 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2432 SCTP_TCB_UNLOCK(stcb); 2433 } else { 2434 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2435 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2436 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2437 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2438 /* Use endpoint defaults */ 2439 SCTP_INP_RLOCK(inp); 2440 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2441 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2442 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2443 /* get inp's default */ 2444 if (inp->sctp_ep.default_dscp & 0x01) { 2445 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2446 paddrp->spp_flags |= SPP_DSCP; 2447 } 2448 #ifdef INET6 2449 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2450 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2451 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2452 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2453 } 2454 #endif 2455 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2456 2457 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2458 paddrp->spp_flags |= SPP_HB_ENABLE; 2459 } else { 2460 paddrp->spp_flags |= SPP_HB_DISABLE; 2461 } 2462 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2463 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2464 } else { 2465 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2466 } 2467 SCTP_INP_RUNLOCK(inp); 2468 } else { 2469 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2470 error = EINVAL; 2471 } 2472 } 2473 if (error == 0) { 2474 *optsize = sizeof(struct sctp_paddrparams); 2475 } 2476 break; 2477 } 2478 case SCTP_GET_PEER_ADDR_INFO: 2479 { 2480 struct sctp_paddrinfo *paddri; 2481 struct sctp_nets *net; 2482 struct sockaddr *addr; 2483 #if defined(INET) && defined(INET6) 2484 struct sockaddr_in sin_store; 2485 #endif 2486 2487 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2488 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2489 2490 #if defined(INET) && defined(INET6) 2491 if (paddri->spinfo_address.ss_family == AF_INET6) { 2492 struct sockaddr_in6 *sin6; 2493 2494 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2495 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2496 in6_sin6_2_sin(&sin_store, sin6); 2497 addr = (struct sockaddr *)&sin_store; 2498 } else { 2499 addr = (struct sockaddr *)&paddri->spinfo_address; 2500 } 2501 } else { 2502 addr = (struct sockaddr *)&paddri->spinfo_address; 2503 } 2504 #else 2505 addr = (struct sockaddr *)&paddri->spinfo_address; 2506 #endif 2507 if (stcb != NULL) { 2508 net = sctp_findnet(stcb, addr); 2509 } else { 2510 /* 2511 * We increment here since 2512 * sctp_findassociation_ep_addr() wil do a 2513 * decrement if it finds the stcb as long as 2514 * the locked tcb (last argument) is NOT a 2515 * TCB.. aka NULL. 2516 */ 2517 net = NULL; 2518 SCTP_INP_INCR_REF(inp); 2519 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2520 if (stcb == NULL) { 2521 SCTP_INP_DECR_REF(inp); 2522 } 2523 } 2524 2525 if ((stcb != NULL) && (net != NULL)) { 2526 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2527 /* It's unconfirmed */ 2528 paddri->spinfo_state = SCTP_UNCONFIRMED; 2529 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2530 /* It's active */ 2531 paddri->spinfo_state = SCTP_ACTIVE; 2532 } else { 2533 /* It's inactive */ 2534 paddri->spinfo_state = SCTP_INACTIVE; 2535 } 2536 paddri->spinfo_cwnd = net->cwnd; 2537 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2538 paddri->spinfo_rto = net->RTO; 2539 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2540 paddri->spinfo_mtu = net->mtu; 2541 switch (addr->sa_family) { 2542 #if defined(INET) 2543 case AF_INET: 2544 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2545 break; 2546 #endif 2547 #if defined(INET6) 2548 case AF_INET6: 2549 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2550 break; 2551 #endif 2552 default: 2553 break; 2554 } 2555 SCTP_TCB_UNLOCK(stcb); 2556 *optsize = sizeof(struct sctp_paddrinfo); 2557 } else { 2558 if (stcb != NULL) { 2559 SCTP_TCB_UNLOCK(stcb); 2560 } 2561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2562 error = ENOENT; 2563 } 2564 break; 2565 } 2566 case SCTP_PCB_STATUS: 2567 { 2568 struct sctp_pcbinfo *spcb; 2569 2570 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2571 sctp_fill_pcbinfo(spcb); 2572 *optsize = sizeof(struct sctp_pcbinfo); 2573 break; 2574 } 2575 case SCTP_STATUS: 2576 { 2577 struct sctp_nets *net; 2578 struct sctp_status *sstat; 2579 2580 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2581 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2582 2583 if (stcb == NULL) { 2584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2585 error = EINVAL; 2586 break; 2587 } 2588 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2589 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2590 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2591 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2592 /* 2593 * We can't include chunks that have been passed to 2594 * the socket layer. Only things in queue. 2595 */ 2596 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2597 stcb->asoc.cnt_on_all_streams); 2598 sstat->sstat_instrms = stcb->asoc.streamincnt; 2599 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2600 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb); 2601 net = stcb->asoc.primary_destination; 2602 if (net != NULL) { 2603 memcpy(&sstat->sstat_primary.spinfo_address, 2604 &net->ro._l_addr, 2605 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2606 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2607 /* 2608 * Again the user can get info from 2609 * sctp_constants.h for what the state of 2610 * the network is. 2611 */ 2612 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2613 /* It's unconfirmed */ 2614 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2615 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2616 /* It's active */ 2617 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2618 } else { 2619 /* It's inactive */ 2620 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2621 } 2622 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2623 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2624 sstat->sstat_primary.spinfo_rto = net->RTO; 2625 sstat->sstat_primary.spinfo_mtu = net->mtu; 2626 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2627 #if defined(INET) 2628 case AF_INET: 2629 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2630 break; 2631 #endif 2632 #if defined(INET6) 2633 case AF_INET6: 2634 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2635 break; 2636 #endif 2637 default: 2638 break; 2639 } 2640 } else { 2641 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2642 } 2643 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2644 SCTP_TCB_UNLOCK(stcb); 2645 *optsize = sizeof(struct sctp_status); 2646 break; 2647 } 2648 case SCTP_RTOINFO: 2649 { 2650 struct sctp_rtoinfo *srto; 2651 2652 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2653 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2654 2655 if (stcb) { 2656 srto->srto_initial = stcb->asoc.initial_rto; 2657 srto->srto_max = stcb->asoc.maxrto; 2658 srto->srto_min = stcb->asoc.minrto; 2659 SCTP_TCB_UNLOCK(stcb); 2660 } else { 2661 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2662 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2663 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2664 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2665 SCTP_INP_RLOCK(inp); 2666 srto->srto_initial = inp->sctp_ep.initial_rto; 2667 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2668 srto->srto_min = inp->sctp_ep.sctp_minrto; 2669 SCTP_INP_RUNLOCK(inp); 2670 } else { 2671 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2672 error = EINVAL; 2673 } 2674 } 2675 if (error == 0) { 2676 *optsize = sizeof(struct sctp_rtoinfo); 2677 } 2678 break; 2679 } 2680 case SCTP_TIMEOUTS: 2681 { 2682 struct sctp_timeouts *stimo; 2683 2684 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2685 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2686 2687 if (stcb) { 2688 stimo->stimo_init = stcb->asoc.timoinit; 2689 stimo->stimo_data = stcb->asoc.timodata; 2690 stimo->stimo_sack = stcb->asoc.timosack; 2691 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2692 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2693 stimo->stimo_cookie = stcb->asoc.timocookie; 2694 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2695 SCTP_TCB_UNLOCK(stcb); 2696 *optsize = sizeof(struct sctp_timeouts); 2697 } else { 2698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2699 error = EINVAL; 2700 } 2701 break; 2702 } 2703 case SCTP_ASSOCINFO: 2704 { 2705 struct sctp_assocparams *sasoc; 2706 2707 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2708 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2709 2710 if (stcb) { 2711 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2712 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2713 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2714 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2715 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2716 SCTP_TCB_UNLOCK(stcb); 2717 } else { 2718 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2719 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2720 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2721 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2722 SCTP_INP_RLOCK(inp); 2723 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2724 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2725 sasoc->sasoc_number_peer_destinations = 0; 2726 sasoc->sasoc_peer_rwnd = 0; 2727 sasoc->sasoc_local_rwnd = (uint32_t)sbspace(&inp->sctp_socket->so_rcv); 2728 SCTP_INP_RUNLOCK(inp); 2729 } else { 2730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2731 error = EINVAL; 2732 } 2733 } 2734 if (error == 0) { 2735 *optsize = sizeof(struct sctp_assocparams); 2736 } 2737 break; 2738 } 2739 case SCTP_DEFAULT_SEND_PARAM: 2740 { 2741 struct sctp_sndrcvinfo *s_info; 2742 2743 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2744 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2745 2746 if (stcb) { 2747 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2748 SCTP_TCB_UNLOCK(stcb); 2749 } else { 2750 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2751 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2752 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2753 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2754 SCTP_INP_RLOCK(inp); 2755 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2756 SCTP_INP_RUNLOCK(inp); 2757 } else { 2758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2759 error = EINVAL; 2760 } 2761 } 2762 if (error == 0) { 2763 *optsize = sizeof(struct sctp_sndrcvinfo); 2764 } 2765 break; 2766 } 2767 case SCTP_INITMSG: 2768 { 2769 struct sctp_initmsg *sinit; 2770 2771 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2772 SCTP_INP_RLOCK(inp); 2773 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2774 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2775 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2776 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2777 SCTP_INP_RUNLOCK(inp); 2778 *optsize = sizeof(struct sctp_initmsg); 2779 break; 2780 } 2781 case SCTP_PRIMARY_ADDR: 2782 /* we allow a "get" operation on this */ 2783 { 2784 struct sctp_setprim *ssp; 2785 2786 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2787 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2788 2789 if (stcb) { 2790 union sctp_sockstore *addr; 2791 2792 addr = &stcb->asoc.primary_destination->ro._l_addr; 2793 switch (addr->sa.sa_family) { 2794 #ifdef INET 2795 case AF_INET: 2796 #ifdef INET6 2797 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2798 in6_sin_2_v4mapsin6(&addr->sin, 2799 (struct sockaddr_in6 *)&ssp->ssp_addr); 2800 } else { 2801 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2802 } 2803 #else 2804 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2805 #endif 2806 break; 2807 #endif 2808 #ifdef INET6 2809 case AF_INET6: 2810 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2811 break; 2812 #endif 2813 default: 2814 break; 2815 } 2816 SCTP_TCB_UNLOCK(stcb); 2817 *optsize = sizeof(struct sctp_setprim); 2818 } else { 2819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2820 error = EINVAL; 2821 } 2822 break; 2823 } 2824 case SCTP_HMAC_IDENT: 2825 { 2826 struct sctp_hmacalgo *shmac; 2827 sctp_hmaclist_t *hmaclist; 2828 size_t size; 2829 int i; 2830 2831 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2832 2833 SCTP_INP_RLOCK(inp); 2834 hmaclist = inp->sctp_ep.local_hmacs; 2835 if (hmaclist == NULL) { 2836 /* no HMACs to return */ 2837 *optsize = sizeof(*shmac); 2838 SCTP_INP_RUNLOCK(inp); 2839 break; 2840 } 2841 /* is there room for all of the hmac ids? */ 2842 size = sizeof(*shmac) + (hmaclist->num_algo * 2843 sizeof(shmac->shmac_idents[0])); 2844 if (*optsize < size) { 2845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2846 error = EINVAL; 2847 SCTP_INP_RUNLOCK(inp); 2848 break; 2849 } 2850 /* copy in the list */ 2851 shmac->shmac_number_of_idents = hmaclist->num_algo; 2852 for (i = 0; i < hmaclist->num_algo; i++) { 2853 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2854 } 2855 SCTP_INP_RUNLOCK(inp); 2856 *optsize = size; 2857 break; 2858 } 2859 case SCTP_AUTH_ACTIVE_KEY: 2860 { 2861 struct sctp_authkeyid *scact; 2862 2863 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2864 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2865 2866 if (stcb) { 2867 /* get the active key on the assoc */ 2868 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2869 SCTP_TCB_UNLOCK(stcb); 2870 } else { 2871 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2872 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2873 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2874 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2875 /* get the endpoint active key */ 2876 SCTP_INP_RLOCK(inp); 2877 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2878 SCTP_INP_RUNLOCK(inp); 2879 } else { 2880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2881 error = EINVAL; 2882 } 2883 } 2884 if (error == 0) { 2885 *optsize = sizeof(struct sctp_authkeyid); 2886 } 2887 break; 2888 } 2889 case SCTP_LOCAL_AUTH_CHUNKS: 2890 { 2891 struct sctp_authchunks *sac; 2892 sctp_auth_chklist_t *chklist = NULL; 2893 size_t size = 0; 2894 2895 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2896 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2897 2898 if (stcb) { 2899 /* get off the assoc */ 2900 chklist = stcb->asoc.local_auth_chunks; 2901 /* is there enough space? */ 2902 size = sctp_auth_get_chklist_size(chklist); 2903 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2904 error = EINVAL; 2905 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2906 } else { 2907 /* copy in the chunks */ 2908 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2909 sac->gauth_number_of_chunks = (uint32_t)size; 2910 *optsize = sizeof(struct sctp_authchunks) + size; 2911 } 2912 SCTP_TCB_UNLOCK(stcb); 2913 } else { 2914 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2915 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2916 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2917 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2918 /* get off the endpoint */ 2919 SCTP_INP_RLOCK(inp); 2920 chklist = inp->sctp_ep.local_auth_chunks; 2921 /* is there enough space? */ 2922 size = sctp_auth_get_chklist_size(chklist); 2923 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2924 error = EINVAL; 2925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2926 } else { 2927 /* copy in the chunks */ 2928 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2929 sac->gauth_number_of_chunks = (uint32_t)size; 2930 *optsize = sizeof(struct sctp_authchunks) + size; 2931 } 2932 SCTP_INP_RUNLOCK(inp); 2933 } else { 2934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2935 error = EINVAL; 2936 } 2937 } 2938 break; 2939 } 2940 case SCTP_PEER_AUTH_CHUNKS: 2941 { 2942 struct sctp_authchunks *sac; 2943 sctp_auth_chklist_t *chklist = NULL; 2944 size_t size = 0; 2945 2946 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2947 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2948 2949 if (stcb) { 2950 /* get off the assoc */ 2951 chklist = stcb->asoc.peer_auth_chunks; 2952 /* is there enough space? */ 2953 size = sctp_auth_get_chklist_size(chklist); 2954 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2955 error = EINVAL; 2956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2957 } else { 2958 /* copy in the chunks */ 2959 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2960 sac->gauth_number_of_chunks = (uint32_t)size; 2961 *optsize = sizeof(struct sctp_authchunks) + size; 2962 } 2963 SCTP_TCB_UNLOCK(stcb); 2964 } else { 2965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2966 error = ENOENT; 2967 } 2968 break; 2969 } 2970 case SCTP_EVENT: 2971 { 2972 struct sctp_event *event; 2973 uint32_t event_type; 2974 2975 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2976 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2977 2978 switch (event->se_type) { 2979 case SCTP_ASSOC_CHANGE: 2980 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2981 break; 2982 case SCTP_PEER_ADDR_CHANGE: 2983 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2984 break; 2985 case SCTP_REMOTE_ERROR: 2986 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2987 break; 2988 case SCTP_SEND_FAILED: 2989 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2990 break; 2991 case SCTP_SHUTDOWN_EVENT: 2992 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2993 break; 2994 case SCTP_ADAPTATION_INDICATION: 2995 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2996 break; 2997 case SCTP_PARTIAL_DELIVERY_EVENT: 2998 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2999 break; 3000 case SCTP_AUTHENTICATION_EVENT: 3001 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3002 break; 3003 case SCTP_STREAM_RESET_EVENT: 3004 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3005 break; 3006 case SCTP_SENDER_DRY_EVENT: 3007 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3008 break; 3009 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3010 event_type = 0; 3011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3012 error = ENOTSUP; 3013 break; 3014 case SCTP_ASSOC_RESET_EVENT: 3015 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3016 break; 3017 case SCTP_STREAM_CHANGE_EVENT: 3018 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3019 break; 3020 case SCTP_SEND_FAILED_EVENT: 3021 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3022 break; 3023 default: 3024 event_type = 0; 3025 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3026 error = EINVAL; 3027 break; 3028 } 3029 if (event_type > 0) { 3030 if (stcb) { 3031 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3032 } else { 3033 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3034 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3035 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3036 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3037 SCTP_INP_RLOCK(inp); 3038 event->se_on = sctp_is_feature_on(inp, event_type); 3039 SCTP_INP_RUNLOCK(inp); 3040 } else { 3041 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3042 error = EINVAL; 3043 } 3044 } 3045 } 3046 if (stcb != NULL) { 3047 SCTP_TCB_UNLOCK(stcb); 3048 } 3049 if (error == 0) { 3050 *optsize = sizeof(struct sctp_event); 3051 } 3052 break; 3053 } 3054 case SCTP_RECVRCVINFO: 3055 if (*optsize < sizeof(int)) { 3056 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3057 error = EINVAL; 3058 } else { 3059 SCTP_INP_RLOCK(inp); 3060 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3061 SCTP_INP_RUNLOCK(inp); 3062 *optsize = sizeof(int); 3063 } 3064 break; 3065 case SCTP_RECVNXTINFO: 3066 if (*optsize < sizeof(int)) { 3067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3068 error = EINVAL; 3069 } else { 3070 SCTP_INP_RLOCK(inp); 3071 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3072 SCTP_INP_RUNLOCK(inp); 3073 *optsize = sizeof(int); 3074 } 3075 break; 3076 case SCTP_DEFAULT_SNDINFO: 3077 { 3078 struct sctp_sndinfo *info; 3079 3080 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3081 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3082 3083 if (stcb) { 3084 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3085 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3086 info->snd_flags &= 0xfff0; 3087 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3088 info->snd_context = stcb->asoc.def_send.sinfo_context; 3089 SCTP_TCB_UNLOCK(stcb); 3090 } else { 3091 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3092 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3093 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3094 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3095 SCTP_INP_RLOCK(inp); 3096 info->snd_sid = inp->def_send.sinfo_stream; 3097 info->snd_flags = inp->def_send.sinfo_flags; 3098 info->snd_flags &= 0xfff0; 3099 info->snd_ppid = inp->def_send.sinfo_ppid; 3100 info->snd_context = inp->def_send.sinfo_context; 3101 SCTP_INP_RUNLOCK(inp); 3102 } else { 3103 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3104 error = EINVAL; 3105 } 3106 } 3107 if (error == 0) { 3108 *optsize = sizeof(struct sctp_sndinfo); 3109 } 3110 break; 3111 } 3112 case SCTP_DEFAULT_PRINFO: 3113 { 3114 struct sctp_default_prinfo *info; 3115 3116 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3117 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3118 3119 if (stcb) { 3120 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3121 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3122 SCTP_TCB_UNLOCK(stcb); 3123 } else { 3124 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3125 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3126 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3127 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3128 SCTP_INP_RLOCK(inp); 3129 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3130 info->pr_value = inp->def_send.sinfo_timetolive; 3131 SCTP_INP_RUNLOCK(inp); 3132 } else { 3133 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3134 error = EINVAL; 3135 } 3136 } 3137 if (error == 0) { 3138 *optsize = sizeof(struct sctp_default_prinfo); 3139 } 3140 break; 3141 } 3142 case SCTP_PEER_ADDR_THLDS: 3143 { 3144 struct sctp_paddrthlds *thlds; 3145 struct sctp_nets *net; 3146 struct sockaddr *addr; 3147 #if defined(INET) && defined(INET6) 3148 struct sockaddr_in sin_store; 3149 #endif 3150 3151 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3152 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3153 3154 #if defined(INET) && defined(INET6) 3155 if (thlds->spt_address.ss_family == AF_INET6) { 3156 struct sockaddr_in6 *sin6; 3157 3158 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3159 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3160 in6_sin6_2_sin(&sin_store, sin6); 3161 addr = (struct sockaddr *)&sin_store; 3162 } else { 3163 addr = (struct sockaddr *)&thlds->spt_address; 3164 } 3165 } else { 3166 addr = (struct sockaddr *)&thlds->spt_address; 3167 } 3168 #else 3169 addr = (struct sockaddr *)&thlds->spt_address; 3170 #endif 3171 if (stcb != NULL) { 3172 net = sctp_findnet(stcb, addr); 3173 } else { 3174 /* 3175 * We increment here since 3176 * sctp_findassociation_ep_addr() wil do a 3177 * decrement if it finds the stcb as long as 3178 * the locked tcb (last argument) is NOT a 3179 * TCB.. aka NULL. 3180 */ 3181 net = NULL; 3182 SCTP_INP_INCR_REF(inp); 3183 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3184 if (stcb == NULL) { 3185 SCTP_INP_DECR_REF(inp); 3186 } 3187 } 3188 if ((stcb != NULL) && (net == NULL)) { 3189 #ifdef INET 3190 if (addr->sa_family == AF_INET) { 3191 struct sockaddr_in *sin; 3192 3193 sin = (struct sockaddr_in *)addr; 3194 if (sin->sin_addr.s_addr != INADDR_ANY) { 3195 error = EINVAL; 3196 SCTP_TCB_UNLOCK(stcb); 3197 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3198 break; 3199 } 3200 } else 3201 #endif 3202 #ifdef INET6 3203 if (addr->sa_family == AF_INET6) { 3204 struct sockaddr_in6 *sin6; 3205 3206 sin6 = (struct sockaddr_in6 *)addr; 3207 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3208 error = EINVAL; 3209 SCTP_TCB_UNLOCK(stcb); 3210 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3211 break; 3212 } 3213 } else 3214 #endif 3215 { 3216 error = EAFNOSUPPORT; 3217 SCTP_TCB_UNLOCK(stcb); 3218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3219 break; 3220 } 3221 } 3222 3223 if (stcb != NULL) { 3224 if (net != NULL) { 3225 thlds->spt_pathmaxrxt = net->failure_threshold; 3226 thlds->spt_pathpfthld = net->pf_threshold; 3227 thlds->spt_pathcpthld = 0xffff; 3228 } else { 3229 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3230 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3231 thlds->spt_pathcpthld = 0xffff; 3232 } 3233 thlds->spt_assoc_id = sctp_get_associd(stcb); 3234 SCTP_TCB_UNLOCK(stcb); 3235 } else { 3236 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3237 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3238 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3239 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3240 /* Use endpoint defaults */ 3241 SCTP_INP_RLOCK(inp); 3242 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3243 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3244 thlds->spt_pathcpthld = 0xffff; 3245 SCTP_INP_RUNLOCK(inp); 3246 } else { 3247 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3248 error = EINVAL; 3249 } 3250 } 3251 if (error == 0) { 3252 *optsize = sizeof(struct sctp_paddrthlds); 3253 } 3254 break; 3255 } 3256 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3257 { 3258 struct sctp_udpencaps *encaps; 3259 struct sctp_nets *net; 3260 struct sockaddr *addr; 3261 #if defined(INET) && defined(INET6) 3262 struct sockaddr_in sin_store; 3263 #endif 3264 3265 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3266 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3267 3268 #if defined(INET) && defined(INET6) 3269 if (encaps->sue_address.ss_family == AF_INET6) { 3270 struct sockaddr_in6 *sin6; 3271 3272 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3273 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3274 in6_sin6_2_sin(&sin_store, sin6); 3275 addr = (struct sockaddr *)&sin_store; 3276 } else { 3277 addr = (struct sockaddr *)&encaps->sue_address; 3278 } 3279 } else { 3280 addr = (struct sockaddr *)&encaps->sue_address; 3281 } 3282 #else 3283 addr = (struct sockaddr *)&encaps->sue_address; 3284 #endif 3285 if (stcb) { 3286 net = sctp_findnet(stcb, addr); 3287 } else { 3288 /* 3289 * We increment here since 3290 * sctp_findassociation_ep_addr() wil do a 3291 * decrement if it finds the stcb as long as 3292 * the locked tcb (last argument) is NOT a 3293 * TCB.. aka NULL. 3294 */ 3295 net = NULL; 3296 SCTP_INP_INCR_REF(inp); 3297 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3298 if (stcb == NULL) { 3299 SCTP_INP_DECR_REF(inp); 3300 } 3301 } 3302 if ((stcb != NULL) && (net == NULL)) { 3303 #ifdef INET 3304 if (addr->sa_family == AF_INET) { 3305 struct sockaddr_in *sin; 3306 3307 sin = (struct sockaddr_in *)addr; 3308 if (sin->sin_addr.s_addr != INADDR_ANY) { 3309 error = EINVAL; 3310 SCTP_TCB_UNLOCK(stcb); 3311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3312 break; 3313 } 3314 } else 3315 #endif 3316 #ifdef INET6 3317 if (addr->sa_family == AF_INET6) { 3318 struct sockaddr_in6 *sin6; 3319 3320 sin6 = (struct sockaddr_in6 *)addr; 3321 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3322 error = EINVAL; 3323 SCTP_TCB_UNLOCK(stcb); 3324 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3325 break; 3326 } 3327 } else 3328 #endif 3329 { 3330 error = EAFNOSUPPORT; 3331 SCTP_TCB_UNLOCK(stcb); 3332 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3333 break; 3334 } 3335 } 3336 3337 if (stcb != NULL) { 3338 if (net) { 3339 encaps->sue_port = net->port; 3340 } else { 3341 encaps->sue_port = stcb->asoc.port; 3342 } 3343 SCTP_TCB_UNLOCK(stcb); 3344 } else { 3345 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3346 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3347 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3348 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3349 SCTP_INP_RLOCK(inp); 3350 encaps->sue_port = inp->sctp_ep.port; 3351 SCTP_INP_RUNLOCK(inp); 3352 } else { 3353 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3354 error = EINVAL; 3355 } 3356 } 3357 if (error == 0) { 3358 *optsize = sizeof(struct sctp_udpencaps); 3359 } 3360 break; 3361 } 3362 case SCTP_ECN_SUPPORTED: 3363 { 3364 struct sctp_assoc_value *av; 3365 3366 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3367 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3368 3369 if (stcb) { 3370 av->assoc_value = stcb->asoc.ecn_supported; 3371 SCTP_TCB_UNLOCK(stcb); 3372 } else { 3373 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3374 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3375 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3376 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3377 SCTP_INP_RLOCK(inp); 3378 av->assoc_value = inp->ecn_supported; 3379 SCTP_INP_RUNLOCK(inp); 3380 } else { 3381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3382 error = EINVAL; 3383 } 3384 } 3385 if (error == 0) { 3386 *optsize = sizeof(struct sctp_assoc_value); 3387 } 3388 break; 3389 } 3390 case SCTP_PR_SUPPORTED: 3391 { 3392 struct sctp_assoc_value *av; 3393 3394 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3395 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3396 3397 if (stcb) { 3398 av->assoc_value = stcb->asoc.prsctp_supported; 3399 SCTP_TCB_UNLOCK(stcb); 3400 } else { 3401 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3402 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3403 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3404 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3405 SCTP_INP_RLOCK(inp); 3406 av->assoc_value = inp->prsctp_supported; 3407 SCTP_INP_RUNLOCK(inp); 3408 } else { 3409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3410 error = EINVAL; 3411 } 3412 } 3413 if (error == 0) { 3414 *optsize = sizeof(struct sctp_assoc_value); 3415 } 3416 break; 3417 } 3418 case SCTP_AUTH_SUPPORTED: 3419 { 3420 struct sctp_assoc_value *av; 3421 3422 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3423 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3424 3425 if (stcb) { 3426 av->assoc_value = stcb->asoc.auth_supported; 3427 SCTP_TCB_UNLOCK(stcb); 3428 } else { 3429 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3430 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3431 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3432 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3433 SCTP_INP_RLOCK(inp); 3434 av->assoc_value = inp->auth_supported; 3435 SCTP_INP_RUNLOCK(inp); 3436 } else { 3437 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3438 error = EINVAL; 3439 } 3440 } 3441 if (error == 0) { 3442 *optsize = sizeof(struct sctp_assoc_value); 3443 } 3444 break; 3445 } 3446 case SCTP_ASCONF_SUPPORTED: 3447 { 3448 struct sctp_assoc_value *av; 3449 3450 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3451 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3452 3453 if (stcb) { 3454 av->assoc_value = stcb->asoc.asconf_supported; 3455 SCTP_TCB_UNLOCK(stcb); 3456 } else { 3457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3458 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3459 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3460 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3461 SCTP_INP_RLOCK(inp); 3462 av->assoc_value = inp->asconf_supported; 3463 SCTP_INP_RUNLOCK(inp); 3464 } else { 3465 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3466 error = EINVAL; 3467 } 3468 } 3469 if (error == 0) { 3470 *optsize = sizeof(struct sctp_assoc_value); 3471 } 3472 break; 3473 } 3474 case SCTP_RECONFIG_SUPPORTED: 3475 { 3476 struct sctp_assoc_value *av; 3477 3478 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3479 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3480 3481 if (stcb) { 3482 av->assoc_value = stcb->asoc.reconfig_supported; 3483 SCTP_TCB_UNLOCK(stcb); 3484 } else { 3485 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3486 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3487 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3488 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3489 SCTP_INP_RLOCK(inp); 3490 av->assoc_value = inp->reconfig_supported; 3491 SCTP_INP_RUNLOCK(inp); 3492 } else { 3493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3494 error = EINVAL; 3495 } 3496 } 3497 if (error == 0) { 3498 *optsize = sizeof(struct sctp_assoc_value); 3499 } 3500 break; 3501 } 3502 case SCTP_NRSACK_SUPPORTED: 3503 { 3504 struct sctp_assoc_value *av; 3505 3506 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3507 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3508 3509 if (stcb) { 3510 av->assoc_value = stcb->asoc.nrsack_supported; 3511 SCTP_TCB_UNLOCK(stcb); 3512 } else { 3513 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3514 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3515 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3516 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3517 SCTP_INP_RLOCK(inp); 3518 av->assoc_value = inp->nrsack_supported; 3519 SCTP_INP_RUNLOCK(inp); 3520 } else { 3521 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3522 error = EINVAL; 3523 } 3524 } 3525 if (error == 0) { 3526 *optsize = sizeof(struct sctp_assoc_value); 3527 } 3528 break; 3529 } 3530 case SCTP_PKTDROP_SUPPORTED: 3531 { 3532 struct sctp_assoc_value *av; 3533 3534 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3535 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3536 3537 if (stcb) { 3538 av->assoc_value = stcb->asoc.pktdrop_supported; 3539 SCTP_TCB_UNLOCK(stcb); 3540 } else { 3541 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3542 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3543 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3544 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3545 SCTP_INP_RLOCK(inp); 3546 av->assoc_value = inp->pktdrop_supported; 3547 SCTP_INP_RUNLOCK(inp); 3548 } else { 3549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3550 error = EINVAL; 3551 } 3552 } 3553 if (error == 0) { 3554 *optsize = sizeof(struct sctp_assoc_value); 3555 } 3556 break; 3557 } 3558 case SCTP_ENABLE_STREAM_RESET: 3559 { 3560 struct sctp_assoc_value *av; 3561 3562 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3563 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3564 3565 if (stcb) { 3566 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3567 SCTP_TCB_UNLOCK(stcb); 3568 } else { 3569 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3570 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3571 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3572 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3573 SCTP_INP_RLOCK(inp); 3574 av->assoc_value = (uint32_t)inp->local_strreset_support; 3575 SCTP_INP_RUNLOCK(inp); 3576 } else { 3577 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3578 error = EINVAL; 3579 } 3580 } 3581 if (error == 0) { 3582 *optsize = sizeof(struct sctp_assoc_value); 3583 } 3584 break; 3585 } 3586 case SCTP_PR_STREAM_STATUS: 3587 { 3588 struct sctp_prstatus *sprstat; 3589 uint16_t sid; 3590 uint16_t policy; 3591 3592 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3593 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3594 3595 sid = sprstat->sprstat_sid; 3596 policy = sprstat->sprstat_policy; 3597 #if defined(SCTP_DETAILED_STR_STATS) 3598 if ((stcb != NULL) && 3599 (sid < stcb->asoc.streamoutcnt) && 3600 (policy != SCTP_PR_SCTP_NONE) && 3601 ((policy <= SCTP_PR_SCTP_MAX) || 3602 (policy == SCTP_PR_SCTP_ALL))) { 3603 if (policy == SCTP_PR_SCTP_ALL) { 3604 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3605 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3606 } else { 3607 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3608 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3609 } 3610 #else 3611 if ((stcb != NULL) && 3612 (sid < stcb->asoc.streamoutcnt) && 3613 (policy == SCTP_PR_SCTP_ALL)) { 3614 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3615 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3616 #endif 3617 } else { 3618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3619 error = EINVAL; 3620 } 3621 if (stcb != NULL) { 3622 SCTP_TCB_UNLOCK(stcb); 3623 } 3624 if (error == 0) { 3625 *optsize = sizeof(struct sctp_prstatus); 3626 } 3627 break; 3628 } 3629 case SCTP_PR_ASSOC_STATUS: 3630 { 3631 struct sctp_prstatus *sprstat; 3632 uint16_t policy; 3633 3634 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3635 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3636 3637 policy = sprstat->sprstat_policy; 3638 if ((stcb != NULL) && 3639 (policy != SCTP_PR_SCTP_NONE) && 3640 ((policy <= SCTP_PR_SCTP_MAX) || 3641 (policy == SCTP_PR_SCTP_ALL))) { 3642 if (policy == SCTP_PR_SCTP_ALL) { 3643 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3644 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3645 } else { 3646 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3647 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3648 } 3649 } else { 3650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3651 error = EINVAL; 3652 } 3653 if (stcb != NULL) { 3654 SCTP_TCB_UNLOCK(stcb); 3655 } 3656 if (error == 0) { 3657 *optsize = sizeof(struct sctp_prstatus); 3658 } 3659 break; 3660 } 3661 case SCTP_MAX_CWND: 3662 { 3663 struct sctp_assoc_value *av; 3664 3665 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3666 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3667 3668 if (stcb) { 3669 av->assoc_value = stcb->asoc.max_cwnd; 3670 SCTP_TCB_UNLOCK(stcb); 3671 } else { 3672 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3673 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3674 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3675 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3676 SCTP_INP_RLOCK(inp); 3677 av->assoc_value = inp->max_cwnd; 3678 SCTP_INP_RUNLOCK(inp); 3679 } else { 3680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3681 error = EINVAL; 3682 } 3683 } 3684 if (error == 0) { 3685 *optsize = sizeof(struct sctp_assoc_value); 3686 } 3687 break; 3688 } 3689 default: 3690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3691 error = ENOPROTOOPT; 3692 break; 3693 } /* end switch (sopt->sopt_name) */ 3694 if (error) { 3695 *optsize = 0; 3696 } 3697 return (error); 3698 } 3699 3700 static int 3701 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3702 void *p) 3703 { 3704 int error, set_opt; 3705 uint32_t *mopt; 3706 struct sctp_tcb *stcb = NULL; 3707 struct sctp_inpcb *inp = NULL; 3708 uint32_t vrf_id; 3709 3710 if (optval == NULL) { 3711 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3712 return (EINVAL); 3713 } 3714 inp = (struct sctp_inpcb *)so->so_pcb; 3715 if (inp == NULL) { 3716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3717 return (EINVAL); 3718 } 3719 vrf_id = inp->def_vrf_id; 3720 3721 error = 0; 3722 switch (optname) { 3723 case SCTP_NODELAY: 3724 case SCTP_AUTOCLOSE: 3725 case SCTP_AUTO_ASCONF: 3726 case SCTP_EXPLICIT_EOR: 3727 case SCTP_DISABLE_FRAGMENTS: 3728 case SCTP_USE_EXT_RCVINFO: 3729 case SCTP_I_WANT_MAPPED_V4_ADDR: 3730 /* copy in the option value */ 3731 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3732 set_opt = 0; 3733 if (error) 3734 break; 3735 switch (optname) { 3736 case SCTP_DISABLE_FRAGMENTS: 3737 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3738 break; 3739 case SCTP_AUTO_ASCONF: 3740 /* 3741 * NOTE: we don't really support this flag 3742 */ 3743 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3744 /* only valid for bound all sockets */ 3745 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3746 (*mopt != 0)) { 3747 /* forbidden by admin */ 3748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3749 return (EPERM); 3750 } 3751 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3752 } else { 3753 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3754 return (EINVAL); 3755 } 3756 break; 3757 case SCTP_EXPLICIT_EOR: 3758 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3759 break; 3760 case SCTP_USE_EXT_RCVINFO: 3761 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3762 break; 3763 case SCTP_I_WANT_MAPPED_V4_ADDR: 3764 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3765 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3766 } else { 3767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3768 return (EINVAL); 3769 } 3770 break; 3771 case SCTP_NODELAY: 3772 set_opt = SCTP_PCB_FLAGS_NODELAY; 3773 break; 3774 case SCTP_AUTOCLOSE: 3775 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3776 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3778 return (EINVAL); 3779 } 3780 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3781 /* 3782 * The value is in ticks. Note this does not effect 3783 * old associations, only new ones. 3784 */ 3785 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3786 break; 3787 } 3788 SCTP_INP_WLOCK(inp); 3789 if (*mopt != 0) { 3790 sctp_feature_on(inp, set_opt); 3791 } else { 3792 sctp_feature_off(inp, set_opt); 3793 } 3794 SCTP_INP_WUNLOCK(inp); 3795 break; 3796 case SCTP_REUSE_PORT: 3797 { 3798 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3799 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3800 /* Can't set it after we are bound */ 3801 error = EINVAL; 3802 break; 3803 } 3804 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3805 /* Can't do this for a 1-m socket */ 3806 error = EINVAL; 3807 break; 3808 } 3809 if (optval) 3810 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3811 else 3812 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3813 break; 3814 } 3815 case SCTP_PARTIAL_DELIVERY_POINT: 3816 { 3817 uint32_t *value; 3818 3819 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3820 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3821 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3822 error = EINVAL; 3823 break; 3824 } 3825 inp->partial_delivery_point = *value; 3826 break; 3827 } 3828 case SCTP_FRAGMENT_INTERLEAVE: 3829 /* not yet until we re-write sctp_recvmsg() */ 3830 { 3831 uint32_t *level; 3832 3833 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3834 if (*level == SCTP_FRAG_LEVEL_2) { 3835 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3836 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3837 } else if (*level == SCTP_FRAG_LEVEL_1) { 3838 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3839 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3840 } else if (*level == SCTP_FRAG_LEVEL_0) { 3841 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3842 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3843 3844 } else { 3845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3846 error = EINVAL; 3847 } 3848 break; 3849 } 3850 case SCTP_INTERLEAVING_SUPPORTED: 3851 { 3852 struct sctp_assoc_value *av; 3853 3854 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3855 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3856 3857 if (stcb) { 3858 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3859 error = EINVAL; 3860 SCTP_TCB_UNLOCK(stcb); 3861 } else { 3862 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3863 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3864 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3865 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3866 SCTP_INP_WLOCK(inp); 3867 if (av->assoc_value == 0) { 3868 inp->idata_supported = 0; 3869 } else { 3870 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3871 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3872 inp->idata_supported = 1; 3873 } else { 3874 /* 3875 * Must have Frag 3876 * interleave and 3877 * stream interleave 3878 * on 3879 */ 3880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3881 error = EINVAL; 3882 } 3883 } 3884 SCTP_INP_WUNLOCK(inp); 3885 } else { 3886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3887 error = EINVAL; 3888 } 3889 } 3890 break; 3891 } 3892 case SCTP_CMT_ON_OFF: 3893 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3894 struct sctp_assoc_value *av; 3895 3896 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3897 if (av->assoc_value > SCTP_CMT_MAX) { 3898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3899 error = EINVAL; 3900 break; 3901 } 3902 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3903 if (stcb) { 3904 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3905 SCTP_TCB_UNLOCK(stcb); 3906 } else { 3907 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3908 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3909 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3910 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3911 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3912 SCTP_INP_WLOCK(inp); 3913 inp->sctp_cmt_on_off = av->assoc_value; 3914 SCTP_INP_WUNLOCK(inp); 3915 } 3916 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3917 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3918 (av->assoc_id == SCTP_ALL_ASSOC))) { 3919 SCTP_INP_RLOCK(inp); 3920 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3921 SCTP_TCB_LOCK(stcb); 3922 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3923 SCTP_TCB_UNLOCK(stcb); 3924 } 3925 SCTP_INP_RUNLOCK(inp); 3926 } 3927 } 3928 } else { 3929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3930 error = ENOPROTOOPT; 3931 } 3932 break; 3933 case SCTP_PLUGGABLE_CC: 3934 { 3935 struct sctp_assoc_value *av; 3936 struct sctp_nets *net; 3937 3938 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3939 if ((av->assoc_value != SCTP_CC_RFC2581) && 3940 (av->assoc_value != SCTP_CC_HSTCP) && 3941 (av->assoc_value != SCTP_CC_HTCP) && 3942 (av->assoc_value != SCTP_CC_RTCC)) { 3943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3944 error = EINVAL; 3945 break; 3946 } 3947 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3948 if (stcb) { 3949 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3950 stcb->asoc.congestion_control_module = av->assoc_value; 3951 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3952 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3953 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3954 } 3955 } 3956 SCTP_TCB_UNLOCK(stcb); 3957 } else { 3958 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3959 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3960 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3961 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3962 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3963 SCTP_INP_WLOCK(inp); 3964 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3965 SCTP_INP_WUNLOCK(inp); 3966 } 3967 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3968 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3969 (av->assoc_id == SCTP_ALL_ASSOC))) { 3970 SCTP_INP_RLOCK(inp); 3971 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3972 SCTP_TCB_LOCK(stcb); 3973 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3974 stcb->asoc.congestion_control_module = av->assoc_value; 3975 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3976 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3977 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3978 } 3979 } 3980 SCTP_TCB_UNLOCK(stcb); 3981 } 3982 SCTP_INP_RUNLOCK(inp); 3983 } 3984 } 3985 break; 3986 } 3987 case SCTP_CC_OPTION: 3988 { 3989 struct sctp_cc_option *cc_opt; 3990 3991 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3992 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3993 if (stcb == NULL) { 3994 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3995 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 3996 SCTP_INP_RLOCK(inp); 3997 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3998 SCTP_TCB_LOCK(stcb); 3999 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4000 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4001 } 4002 SCTP_TCB_UNLOCK(stcb); 4003 } 4004 SCTP_INP_RUNLOCK(inp); 4005 } else { 4006 error = EINVAL; 4007 } 4008 } else { 4009 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4010 error = ENOTSUP; 4011 } else { 4012 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4013 cc_opt); 4014 } 4015 SCTP_TCB_UNLOCK(stcb); 4016 } 4017 break; 4018 } 4019 case SCTP_STREAM_SCHEDULER: 4020 { 4021 struct sctp_assoc_value *av; 4022 4023 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4024 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4025 (av->assoc_value != SCTP_SS_RR) && 4026 (av->assoc_value != SCTP_SS_RR_PKT) && 4027 (av->assoc_value != SCTP_SS_PRIO) && 4028 (av->assoc_value != SCTP_SS_FB) && 4029 (av->assoc_value != SCTP_SS_FCFS)) { 4030 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4031 error = EINVAL; 4032 break; 4033 } 4034 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4035 if (stcb) { 4036 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4037 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4038 stcb->asoc.stream_scheduling_module = av->assoc_value; 4039 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4040 SCTP_TCB_UNLOCK(stcb); 4041 } else { 4042 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4043 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4044 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4045 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4046 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4047 SCTP_INP_WLOCK(inp); 4048 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4049 SCTP_INP_WUNLOCK(inp); 4050 } 4051 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4052 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4053 (av->assoc_id == SCTP_ALL_ASSOC))) { 4054 SCTP_INP_RLOCK(inp); 4055 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4056 SCTP_TCB_LOCK(stcb); 4057 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4058 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4059 stcb->asoc.stream_scheduling_module = av->assoc_value; 4060 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4061 SCTP_TCB_UNLOCK(stcb); 4062 } 4063 SCTP_INP_RUNLOCK(inp); 4064 } 4065 } 4066 break; 4067 } 4068 case SCTP_STREAM_SCHEDULER_VALUE: 4069 { 4070 struct sctp_stream_value *av; 4071 4072 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4073 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4074 if (stcb) { 4075 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4076 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4077 av->stream_value) < 0)) { 4078 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4079 error = EINVAL; 4080 } 4081 SCTP_TCB_UNLOCK(stcb); 4082 } else { 4083 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4084 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4085 SCTP_INP_RLOCK(inp); 4086 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4087 SCTP_TCB_LOCK(stcb); 4088 if (av->stream_id < stcb->asoc.streamoutcnt) { 4089 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4090 &stcb->asoc, 4091 &stcb->asoc.strmout[av->stream_id], 4092 av->stream_value); 4093 } 4094 SCTP_TCB_UNLOCK(stcb); 4095 } 4096 SCTP_INP_RUNLOCK(inp); 4097 } else { 4098 /* 4099 * Can't set stream value without 4100 * association 4101 */ 4102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4103 error = EINVAL; 4104 } 4105 } 4106 break; 4107 } 4108 case SCTP_CLR_STAT_LOG: 4109 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4110 error = EOPNOTSUPP; 4111 break; 4112 case SCTP_CONTEXT: 4113 { 4114 struct sctp_assoc_value *av; 4115 4116 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4117 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4118 4119 if (stcb) { 4120 stcb->asoc.context = av->assoc_value; 4121 SCTP_TCB_UNLOCK(stcb); 4122 } else { 4123 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4124 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4125 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4126 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4127 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4128 SCTP_INP_WLOCK(inp); 4129 inp->sctp_context = av->assoc_value; 4130 SCTP_INP_WUNLOCK(inp); 4131 } 4132 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4133 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4134 (av->assoc_id == SCTP_ALL_ASSOC))) { 4135 SCTP_INP_RLOCK(inp); 4136 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4137 SCTP_TCB_LOCK(stcb); 4138 stcb->asoc.context = av->assoc_value; 4139 SCTP_TCB_UNLOCK(stcb); 4140 } 4141 SCTP_INP_RUNLOCK(inp); 4142 } 4143 } 4144 break; 4145 } 4146 case SCTP_VRF_ID: 4147 { 4148 uint32_t *default_vrfid; 4149 4150 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4151 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4153 error = EINVAL; 4154 break; 4155 } 4156 inp->def_vrf_id = *default_vrfid; 4157 break; 4158 } 4159 case SCTP_DEL_VRF_ID: 4160 { 4161 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4162 error = EOPNOTSUPP; 4163 break; 4164 } 4165 case SCTP_ADD_VRF_ID: 4166 { 4167 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4168 error = EOPNOTSUPP; 4169 break; 4170 } 4171 case SCTP_DELAYED_SACK: 4172 { 4173 struct sctp_sack_info *sack; 4174 4175 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4176 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4177 if (sack->sack_delay) { 4178 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4179 error = EINVAL; 4180 if (stcb != NULL) { 4181 SCTP_TCB_UNLOCK(stcb); 4182 } 4183 break; 4184 } 4185 } 4186 if (stcb) { 4187 if (sack->sack_delay) { 4188 stcb->asoc.delayed_ack = sack->sack_delay; 4189 } 4190 if (sack->sack_freq) { 4191 stcb->asoc.sack_freq = sack->sack_freq; 4192 } 4193 SCTP_TCB_UNLOCK(stcb); 4194 } else { 4195 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4196 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4197 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4198 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4199 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4200 SCTP_INP_WLOCK(inp); 4201 if (sack->sack_delay) { 4202 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4203 } 4204 if (sack->sack_freq) { 4205 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4206 } 4207 SCTP_INP_WUNLOCK(inp); 4208 } 4209 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4210 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4211 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4212 SCTP_INP_RLOCK(inp); 4213 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4214 SCTP_TCB_LOCK(stcb); 4215 if (sack->sack_delay) { 4216 stcb->asoc.delayed_ack = sack->sack_delay; 4217 } 4218 if (sack->sack_freq) { 4219 stcb->asoc.sack_freq = sack->sack_freq; 4220 } 4221 SCTP_TCB_UNLOCK(stcb); 4222 } 4223 SCTP_INP_RUNLOCK(inp); 4224 } 4225 } 4226 break; 4227 } 4228 case SCTP_AUTH_CHUNK: 4229 { 4230 struct sctp_authchunk *sauth; 4231 4232 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4233 4234 SCTP_INP_WLOCK(inp); 4235 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4236 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4237 error = EINVAL; 4238 } else { 4239 inp->auth_supported = 1; 4240 } 4241 SCTP_INP_WUNLOCK(inp); 4242 break; 4243 } 4244 case SCTP_AUTH_KEY: 4245 { 4246 struct sctp_authkey *sca; 4247 struct sctp_keyhead *shared_keys; 4248 sctp_sharedkey_t *shared_key; 4249 sctp_key_t *key = NULL; 4250 size_t size; 4251 4252 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4253 if (sca->sca_keylength == 0) { 4254 size = optsize - sizeof(struct sctp_authkey); 4255 } else { 4256 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4257 size = sca->sca_keylength; 4258 } else { 4259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4260 error = EINVAL; 4261 break; 4262 } 4263 } 4264 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4265 4266 if (stcb) { 4267 shared_keys = &stcb->asoc.shared_keys; 4268 /* clear the cached keys for this key id */ 4269 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4270 /* 4271 * create the new shared key and 4272 * insert/replace it 4273 */ 4274 if (size > 0) { 4275 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4276 if (key == NULL) { 4277 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4278 error = ENOMEM; 4279 SCTP_TCB_UNLOCK(stcb); 4280 break; 4281 } 4282 } 4283 shared_key = sctp_alloc_sharedkey(); 4284 if (shared_key == NULL) { 4285 sctp_free_key(key); 4286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4287 error = ENOMEM; 4288 SCTP_TCB_UNLOCK(stcb); 4289 break; 4290 } 4291 shared_key->key = key; 4292 shared_key->keyid = sca->sca_keynumber; 4293 error = sctp_insert_sharedkey(shared_keys, shared_key); 4294 SCTP_TCB_UNLOCK(stcb); 4295 } else { 4296 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4297 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4298 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4299 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4300 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4301 SCTP_INP_WLOCK(inp); 4302 shared_keys = &inp->sctp_ep.shared_keys; 4303 /* 4304 * clear the cached keys on all 4305 * assocs for this key id 4306 */ 4307 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4308 /* 4309 * create the new shared key and 4310 * insert/replace it 4311 */ 4312 if (size > 0) { 4313 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4314 if (key == NULL) { 4315 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4316 error = ENOMEM; 4317 SCTP_INP_WUNLOCK(inp); 4318 break; 4319 } 4320 } 4321 shared_key = sctp_alloc_sharedkey(); 4322 if (shared_key == NULL) { 4323 sctp_free_key(key); 4324 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4325 error = ENOMEM; 4326 SCTP_INP_WUNLOCK(inp); 4327 break; 4328 } 4329 shared_key->key = key; 4330 shared_key->keyid = sca->sca_keynumber; 4331 error = sctp_insert_sharedkey(shared_keys, shared_key); 4332 SCTP_INP_WUNLOCK(inp); 4333 } 4334 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4335 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4336 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4337 SCTP_INP_RLOCK(inp); 4338 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4339 SCTP_TCB_LOCK(stcb); 4340 shared_keys = &stcb->asoc.shared_keys; 4341 /* 4342 * clear the cached keys for 4343 * this key id 4344 */ 4345 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4346 /* 4347 * create the new shared key 4348 * and insert/replace it 4349 */ 4350 if (size > 0) { 4351 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4352 if (key == NULL) { 4353 SCTP_TCB_UNLOCK(stcb); 4354 continue; 4355 } 4356 } 4357 shared_key = sctp_alloc_sharedkey(); 4358 if (shared_key == NULL) { 4359 sctp_free_key(key); 4360 SCTP_TCB_UNLOCK(stcb); 4361 continue; 4362 } 4363 shared_key->key = key; 4364 shared_key->keyid = sca->sca_keynumber; 4365 error = sctp_insert_sharedkey(shared_keys, shared_key); 4366 SCTP_TCB_UNLOCK(stcb); 4367 } 4368 SCTP_INP_RUNLOCK(inp); 4369 } 4370 } 4371 break; 4372 } 4373 case SCTP_HMAC_IDENT: 4374 { 4375 struct sctp_hmacalgo *shmac; 4376 sctp_hmaclist_t *hmaclist; 4377 uint16_t hmacid; 4378 uint32_t i; 4379 4380 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4381 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4382 (shmac->shmac_number_of_idents > 0xffff)) { 4383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4384 error = EINVAL; 4385 break; 4386 } 4387 4388 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4389 if (hmaclist == NULL) { 4390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4391 error = ENOMEM; 4392 break; 4393 } 4394 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4395 hmacid = shmac->shmac_idents[i]; 4396 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4397 /* invalid HMACs were found */ ; 4398 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4399 error = EINVAL; 4400 sctp_free_hmaclist(hmaclist); 4401 goto sctp_set_hmac_done; 4402 } 4403 } 4404 for (i = 0; i < hmaclist->num_algo; i++) { 4405 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4406 /* already in list */ 4407 break; 4408 } 4409 } 4410 if (i == hmaclist->num_algo) { 4411 /* not found in list */ 4412 sctp_free_hmaclist(hmaclist); 4413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4414 error = EINVAL; 4415 break; 4416 } 4417 /* set it on the endpoint */ 4418 SCTP_INP_WLOCK(inp); 4419 if (inp->sctp_ep.local_hmacs) 4420 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4421 inp->sctp_ep.local_hmacs = hmaclist; 4422 SCTP_INP_WUNLOCK(inp); 4423 sctp_set_hmac_done: 4424 break; 4425 } 4426 case SCTP_AUTH_ACTIVE_KEY: 4427 { 4428 struct sctp_authkeyid *scact; 4429 4430 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4431 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4432 4433 /* set the active key on the right place */ 4434 if (stcb) { 4435 /* set the active key on the assoc */ 4436 if (sctp_auth_setactivekey(stcb, 4437 scact->scact_keynumber)) { 4438 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4439 SCTP_FROM_SCTP_USRREQ, 4440 EINVAL); 4441 error = EINVAL; 4442 } 4443 SCTP_TCB_UNLOCK(stcb); 4444 } else { 4445 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4446 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4447 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4448 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4449 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4450 SCTP_INP_WLOCK(inp); 4451 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4452 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4453 error = EINVAL; 4454 } 4455 SCTP_INP_WUNLOCK(inp); 4456 } 4457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4458 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4459 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4460 SCTP_INP_RLOCK(inp); 4461 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4462 SCTP_TCB_LOCK(stcb); 4463 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4464 SCTP_TCB_UNLOCK(stcb); 4465 } 4466 SCTP_INP_RUNLOCK(inp); 4467 } 4468 } 4469 break; 4470 } 4471 case SCTP_AUTH_DELETE_KEY: 4472 { 4473 struct sctp_authkeyid *scdel; 4474 4475 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4476 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4477 4478 /* delete the key from the right place */ 4479 if (stcb) { 4480 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4481 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4482 error = EINVAL; 4483 } 4484 SCTP_TCB_UNLOCK(stcb); 4485 } else { 4486 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4487 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4488 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4489 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4490 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4491 SCTP_INP_WLOCK(inp); 4492 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4494 error = EINVAL; 4495 } 4496 SCTP_INP_WUNLOCK(inp); 4497 } 4498 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4499 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4500 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4501 SCTP_INP_RLOCK(inp); 4502 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4503 SCTP_TCB_LOCK(stcb); 4504 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4505 SCTP_TCB_UNLOCK(stcb); 4506 } 4507 SCTP_INP_RUNLOCK(inp); 4508 } 4509 } 4510 break; 4511 } 4512 case SCTP_AUTH_DEACTIVATE_KEY: 4513 { 4514 struct sctp_authkeyid *keyid; 4515 4516 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4517 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4518 4519 /* deactivate the key from the right place */ 4520 if (stcb) { 4521 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4523 error = EINVAL; 4524 } 4525 SCTP_TCB_UNLOCK(stcb); 4526 } else { 4527 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4528 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4529 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4530 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4531 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4532 SCTP_INP_WLOCK(inp); 4533 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4534 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4535 error = EINVAL; 4536 } 4537 SCTP_INP_WUNLOCK(inp); 4538 } 4539 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4540 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4541 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4542 SCTP_INP_RLOCK(inp); 4543 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4544 SCTP_TCB_LOCK(stcb); 4545 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4546 SCTP_TCB_UNLOCK(stcb); 4547 } 4548 SCTP_INP_RUNLOCK(inp); 4549 } 4550 } 4551 break; 4552 } 4553 case SCTP_ENABLE_STREAM_RESET: 4554 { 4555 struct sctp_assoc_value *av; 4556 4557 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4558 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4559 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4560 error = EINVAL; 4561 break; 4562 } 4563 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4564 if (stcb) { 4565 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4566 SCTP_TCB_UNLOCK(stcb); 4567 } else { 4568 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4569 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4570 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4571 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4572 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4573 SCTP_INP_WLOCK(inp); 4574 inp->local_strreset_support = (uint8_t)av->assoc_value; 4575 SCTP_INP_WUNLOCK(inp); 4576 } 4577 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4578 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4579 (av->assoc_id == SCTP_ALL_ASSOC))) { 4580 SCTP_INP_RLOCK(inp); 4581 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4582 SCTP_TCB_LOCK(stcb); 4583 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4584 SCTP_TCB_UNLOCK(stcb); 4585 } 4586 SCTP_INP_RUNLOCK(inp); 4587 } 4588 } 4589 break; 4590 } 4591 case SCTP_RESET_STREAMS: 4592 { 4593 struct sctp_reset_streams *strrst; 4594 int i, send_out = 0; 4595 int send_in = 0; 4596 4597 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4598 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4599 if (stcb == NULL) { 4600 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4601 error = ENOENT; 4602 break; 4603 } 4604 if (stcb->asoc.reconfig_supported == 0) { 4605 /* 4606 * Peer does not support the chunk type. 4607 */ 4608 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4609 error = EOPNOTSUPP; 4610 SCTP_TCB_UNLOCK(stcb); 4611 break; 4612 } 4613 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4615 error = EINVAL; 4616 SCTP_TCB_UNLOCK(stcb); 4617 break; 4618 } 4619 if (sizeof(struct sctp_reset_streams) + 4620 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4621 error = EINVAL; 4622 SCTP_TCB_UNLOCK(stcb); 4623 break; 4624 } 4625 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4626 send_in = 1; 4627 if (stcb->asoc.stream_reset_outstanding) { 4628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4629 error = EALREADY; 4630 SCTP_TCB_UNLOCK(stcb); 4631 break; 4632 } 4633 } 4634 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4635 send_out = 1; 4636 } 4637 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4639 error = ENOMEM; 4640 SCTP_TCB_UNLOCK(stcb); 4641 break; 4642 } 4643 if ((send_in == 0) && (send_out == 0)) { 4644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4645 error = EINVAL; 4646 SCTP_TCB_UNLOCK(stcb); 4647 break; 4648 } 4649 for (i = 0; i < strrst->srs_number_streams; i++) { 4650 if ((send_in) && 4651 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4653 error = EINVAL; 4654 break; 4655 } 4656 if ((send_out) && 4657 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4659 error = EINVAL; 4660 break; 4661 } 4662 } 4663 if (error) { 4664 SCTP_TCB_UNLOCK(stcb); 4665 break; 4666 } 4667 if (send_out) { 4668 int cnt; 4669 uint16_t strm; 4670 4671 if (strrst->srs_number_streams) { 4672 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4673 strm = strrst->srs_stream_list[i]; 4674 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4675 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4676 cnt++; 4677 } 4678 } 4679 } else { 4680 /* Its all */ 4681 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4682 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4683 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4684 cnt++; 4685 } 4686 } 4687 } 4688 } 4689 if (send_in) { 4690 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4691 strrst->srs_stream_list, 4692 send_in, 0, 0, 0, 0, 0); 4693 } else { 4694 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4695 } 4696 if (error == 0) { 4697 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4698 } else { 4699 /* 4700 * For outgoing streams don't report any 4701 * problems in sending the request to the 4702 * application. XXX: Double check resetting 4703 * incoming streams. 4704 */ 4705 error = 0; 4706 } 4707 SCTP_TCB_UNLOCK(stcb); 4708 break; 4709 } 4710 case SCTP_ADD_STREAMS: 4711 { 4712 struct sctp_add_streams *stradd; 4713 uint8_t addstream = 0; 4714 uint16_t add_o_strmcnt = 0; 4715 uint16_t add_i_strmcnt = 0; 4716 4717 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4718 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4719 if (stcb == NULL) { 4720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4721 error = ENOENT; 4722 break; 4723 } 4724 if (stcb->asoc.reconfig_supported == 0) { 4725 /* 4726 * Peer does not support the chunk type. 4727 */ 4728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4729 error = EOPNOTSUPP; 4730 SCTP_TCB_UNLOCK(stcb); 4731 break; 4732 } 4733 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4735 error = EINVAL; 4736 SCTP_TCB_UNLOCK(stcb); 4737 break; 4738 } 4739 if (stcb->asoc.stream_reset_outstanding) { 4740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4741 error = EALREADY; 4742 SCTP_TCB_UNLOCK(stcb); 4743 break; 4744 } 4745 if ((stradd->sas_outstrms == 0) && 4746 (stradd->sas_instrms == 0)) { 4747 error = EINVAL; 4748 goto skip_stuff; 4749 } 4750 if (stradd->sas_outstrms) { 4751 addstream = 1; 4752 /* We allocate here */ 4753 add_o_strmcnt = stradd->sas_outstrms; 4754 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4755 /* You can't have more than 64k */ 4756 error = EINVAL; 4757 goto skip_stuff; 4758 } 4759 } 4760 if (stradd->sas_instrms) { 4761 int cnt; 4762 4763 addstream |= 2; 4764 /* 4765 * We allocate inside 4766 * sctp_send_str_reset_req() 4767 */ 4768 add_i_strmcnt = stradd->sas_instrms; 4769 cnt = add_i_strmcnt; 4770 cnt += stcb->asoc.streamincnt; 4771 if (cnt > 0x0000ffff) { 4772 /* You can't have more than 64k */ 4773 error = EINVAL; 4774 goto skip_stuff; 4775 } 4776 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4777 /* More than you are allowed */ 4778 error = EINVAL; 4779 goto skip_stuff; 4780 } 4781 } 4782 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4783 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4784 skip_stuff: 4785 SCTP_TCB_UNLOCK(stcb); 4786 break; 4787 } 4788 case SCTP_RESET_ASSOC: 4789 { 4790 int i; 4791 uint32_t *value; 4792 4793 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4794 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4795 if (stcb == NULL) { 4796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4797 error = ENOENT; 4798 break; 4799 } 4800 if (stcb->asoc.reconfig_supported == 0) { 4801 /* 4802 * Peer does not support the chunk type. 4803 */ 4804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4805 error = EOPNOTSUPP; 4806 SCTP_TCB_UNLOCK(stcb); 4807 break; 4808 } 4809 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4811 error = EINVAL; 4812 SCTP_TCB_UNLOCK(stcb); 4813 break; 4814 } 4815 if (stcb->asoc.stream_reset_outstanding) { 4816 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4817 error = EALREADY; 4818 SCTP_TCB_UNLOCK(stcb); 4819 break; 4820 } 4821 /* 4822 * Is there any data pending in the send or sent 4823 * queues? 4824 */ 4825 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4826 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4827 busy_out: 4828 error = EBUSY; 4829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4830 SCTP_TCB_UNLOCK(stcb); 4831 break; 4832 } 4833 /* Do any streams have data queued? */ 4834 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4835 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4836 goto busy_out; 4837 } 4838 } 4839 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4840 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4841 SCTP_TCB_UNLOCK(stcb); 4842 break; 4843 } 4844 case SCTP_CONNECT_X: 4845 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4847 error = EINVAL; 4848 break; 4849 } 4850 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4851 break; 4852 case SCTP_CONNECT_X_DELAYED: 4853 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4855 error = EINVAL; 4856 break; 4857 } 4858 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4859 break; 4860 case SCTP_CONNECT_X_COMPLETE: 4861 { 4862 struct sockaddr *sa; 4863 4864 /* FIXME MT: check correct? */ 4865 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4866 4867 /* find tcb */ 4868 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4869 SCTP_INP_RLOCK(inp); 4870 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4871 if (stcb) { 4872 SCTP_TCB_LOCK(stcb); 4873 } 4874 SCTP_INP_RUNLOCK(inp); 4875 } else { 4876 /* 4877 * We increment here since 4878 * sctp_findassociation_ep_addr() wil do a 4879 * decrement if it finds the stcb as long as 4880 * the locked tcb (last argument) is NOT a 4881 * TCB.. aka NULL. 4882 */ 4883 SCTP_INP_INCR_REF(inp); 4884 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4885 if (stcb == NULL) { 4886 SCTP_INP_DECR_REF(inp); 4887 } 4888 } 4889 4890 if (stcb == NULL) { 4891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4892 error = ENOENT; 4893 break; 4894 } 4895 if (stcb->asoc.delayed_connection == 1) { 4896 stcb->asoc.delayed_connection = 0; 4897 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4898 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4899 stcb->asoc.primary_destination, 4900 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4901 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4902 } else { 4903 /* 4904 * already expired or did not use delayed 4905 * connectx 4906 */ 4907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4908 error = EALREADY; 4909 } 4910 SCTP_TCB_UNLOCK(stcb); 4911 break; 4912 } 4913 case SCTP_MAX_BURST: 4914 { 4915 struct sctp_assoc_value *av; 4916 4917 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4918 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4919 4920 if (stcb) { 4921 stcb->asoc.max_burst = av->assoc_value; 4922 SCTP_TCB_UNLOCK(stcb); 4923 } else { 4924 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4925 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4926 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4927 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4928 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4929 SCTP_INP_WLOCK(inp); 4930 inp->sctp_ep.max_burst = av->assoc_value; 4931 SCTP_INP_WUNLOCK(inp); 4932 } 4933 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4934 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4935 (av->assoc_id == SCTP_ALL_ASSOC))) { 4936 SCTP_INP_RLOCK(inp); 4937 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4938 SCTP_TCB_LOCK(stcb); 4939 stcb->asoc.max_burst = av->assoc_value; 4940 SCTP_TCB_UNLOCK(stcb); 4941 } 4942 SCTP_INP_RUNLOCK(inp); 4943 } 4944 } 4945 break; 4946 } 4947 case SCTP_MAXSEG: 4948 { 4949 struct sctp_assoc_value *av; 4950 4951 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4952 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4953 4954 if (stcb) { 4955 stcb->asoc.sctp_frag_point = av->assoc_value; 4956 SCTP_TCB_UNLOCK(stcb); 4957 } else { 4958 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4959 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4960 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4961 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 4962 SCTP_INP_WLOCK(inp); 4963 inp->sctp_frag_point = av->assoc_value; 4964 SCTP_INP_WUNLOCK(inp); 4965 } else { 4966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4967 error = EINVAL; 4968 } 4969 } 4970 break; 4971 } 4972 case SCTP_EVENTS: 4973 { 4974 struct sctp_event_subscribe *events; 4975 4976 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4977 4978 SCTP_INP_WLOCK(inp); 4979 if (events->sctp_data_io_event) { 4980 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4981 } else { 4982 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4983 } 4984 4985 if (events->sctp_association_event) { 4986 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4987 } else { 4988 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4989 } 4990 4991 if (events->sctp_address_event) { 4992 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4993 } else { 4994 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4995 } 4996 4997 if (events->sctp_send_failure_event) { 4998 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4999 } else { 5000 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5001 } 5002 5003 if (events->sctp_peer_error_event) { 5004 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5005 } else { 5006 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5007 } 5008 5009 if (events->sctp_shutdown_event) { 5010 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5011 } else { 5012 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5013 } 5014 5015 if (events->sctp_partial_delivery_event) { 5016 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5017 } else { 5018 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5019 } 5020 5021 if (events->sctp_adaptation_layer_event) { 5022 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5023 } else { 5024 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5025 } 5026 5027 if (events->sctp_authentication_event) { 5028 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5029 } else { 5030 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5031 } 5032 5033 if (events->sctp_sender_dry_event) { 5034 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5035 } else { 5036 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5037 } 5038 5039 if (events->sctp_stream_reset_event) { 5040 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5041 } else { 5042 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5043 } 5044 5045 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5046 SCTP_TCB_LOCK(stcb); 5047 if (events->sctp_association_event) { 5048 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5049 } else { 5050 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5051 } 5052 if (events->sctp_address_event) { 5053 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5054 } else { 5055 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5056 } 5057 if (events->sctp_send_failure_event) { 5058 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5059 } else { 5060 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5061 } 5062 if (events->sctp_peer_error_event) { 5063 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5064 } else { 5065 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5066 } 5067 if (events->sctp_shutdown_event) { 5068 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5069 } else { 5070 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5071 } 5072 if (events->sctp_partial_delivery_event) { 5073 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5074 } else { 5075 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5076 } 5077 if (events->sctp_adaptation_layer_event) { 5078 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5079 } else { 5080 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5081 } 5082 if (events->sctp_authentication_event) { 5083 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5084 } else { 5085 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5086 } 5087 if (events->sctp_sender_dry_event) { 5088 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5089 } else { 5090 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5091 } 5092 if (events->sctp_stream_reset_event) { 5093 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5094 } else { 5095 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5096 } 5097 SCTP_TCB_UNLOCK(stcb); 5098 } 5099 /* 5100 * Send up the sender dry event only for 1-to-1 5101 * style sockets. 5102 */ 5103 if (events->sctp_sender_dry_event) { 5104 if (((inp->sctp_flags & (SCTP_PCB_FLAGS_TCPTYPE | SCTP_PCB_FLAGS_IN_TCPPOOL)) != 0) && 5105 !SCTP_IS_LISTENING(inp)) { 5106 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5107 if (stcb != NULL) { 5108 SCTP_TCB_LOCK(stcb); 5109 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5110 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5111 (stcb->asoc.stream_queue_cnt == 0)) { 5112 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5113 } 5114 SCTP_TCB_UNLOCK(stcb); 5115 } 5116 } 5117 } 5118 SCTP_INP_WUNLOCK(inp); 5119 break; 5120 } 5121 case SCTP_ADAPTATION_LAYER: 5122 { 5123 struct sctp_setadaptation *adap_bits; 5124 5125 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5126 SCTP_INP_WLOCK(inp); 5127 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5128 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5129 SCTP_INP_WUNLOCK(inp); 5130 break; 5131 } 5132 #ifdef SCTP_DEBUG 5133 case SCTP_SET_INITIAL_DBG_SEQ: 5134 { 5135 uint32_t *vvv; 5136 5137 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5138 SCTP_INP_WLOCK(inp); 5139 inp->sctp_ep.initial_sequence_debug = *vvv; 5140 SCTP_INP_WUNLOCK(inp); 5141 break; 5142 } 5143 #endif 5144 case SCTP_DEFAULT_SEND_PARAM: 5145 { 5146 struct sctp_sndrcvinfo *s_info; 5147 5148 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5149 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5150 5151 if (stcb) { 5152 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5153 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5154 } else { 5155 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5156 error = EINVAL; 5157 } 5158 SCTP_TCB_UNLOCK(stcb); 5159 } else { 5160 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5161 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5162 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5163 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5164 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5165 SCTP_INP_WLOCK(inp); 5166 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5167 SCTP_INP_WUNLOCK(inp); 5168 } 5169 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5170 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5171 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5172 SCTP_INP_RLOCK(inp); 5173 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5174 SCTP_TCB_LOCK(stcb); 5175 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5176 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5177 } 5178 SCTP_TCB_UNLOCK(stcb); 5179 } 5180 SCTP_INP_RUNLOCK(inp); 5181 } 5182 } 5183 break; 5184 } 5185 case SCTP_PEER_ADDR_PARAMS: 5186 { 5187 struct sctp_paddrparams *paddrp; 5188 struct sctp_nets *net; 5189 struct sockaddr *addr; 5190 #if defined(INET) && defined(INET6) 5191 struct sockaddr_in sin_store; 5192 #endif 5193 5194 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5195 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5196 5197 #if defined(INET) && defined(INET6) 5198 if (paddrp->spp_address.ss_family == AF_INET6) { 5199 struct sockaddr_in6 *sin6; 5200 5201 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5202 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5203 in6_sin6_2_sin(&sin_store, sin6); 5204 addr = (struct sockaddr *)&sin_store; 5205 } else { 5206 addr = (struct sockaddr *)&paddrp->spp_address; 5207 } 5208 } else { 5209 addr = (struct sockaddr *)&paddrp->spp_address; 5210 } 5211 #else 5212 addr = (struct sockaddr *)&paddrp->spp_address; 5213 #endif 5214 if (stcb != NULL) { 5215 net = sctp_findnet(stcb, addr); 5216 } else { 5217 /* 5218 * We increment here since 5219 * sctp_findassociation_ep_addr() wil do a 5220 * decrement if it finds the stcb as long as 5221 * the locked tcb (last argument) is NOT a 5222 * TCB.. aka NULL. 5223 */ 5224 net = NULL; 5225 SCTP_INP_INCR_REF(inp); 5226 stcb = sctp_findassociation_ep_addr(&inp, addr, 5227 &net, NULL, NULL); 5228 if (stcb == NULL) { 5229 SCTP_INP_DECR_REF(inp); 5230 } 5231 } 5232 if ((stcb != NULL) && (net == NULL)) { 5233 #ifdef INET 5234 if (addr->sa_family == AF_INET) { 5235 struct sockaddr_in *sin; 5236 5237 sin = (struct sockaddr_in *)addr; 5238 if (sin->sin_addr.s_addr != INADDR_ANY) { 5239 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5240 SCTP_TCB_UNLOCK(stcb); 5241 error = EINVAL; 5242 break; 5243 } 5244 } else 5245 #endif 5246 #ifdef INET6 5247 if (addr->sa_family == AF_INET6) { 5248 struct sockaddr_in6 *sin6; 5249 5250 sin6 = (struct sockaddr_in6 *)addr; 5251 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5253 SCTP_TCB_UNLOCK(stcb); 5254 error = EINVAL; 5255 break; 5256 } 5257 } else 5258 #endif 5259 { 5260 error = EAFNOSUPPORT; 5261 SCTP_TCB_UNLOCK(stcb); 5262 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5263 break; 5264 } 5265 } 5266 /* sanity checks */ 5267 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5268 if (stcb) 5269 SCTP_TCB_UNLOCK(stcb); 5270 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5271 return (EINVAL); 5272 } 5273 5274 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5275 if (stcb) 5276 SCTP_TCB_UNLOCK(stcb); 5277 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5278 return (EINVAL); 5279 } 5280 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5281 (paddrp->spp_pathmtu > 0) && 5282 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5283 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5284 if (stcb) 5285 SCTP_TCB_UNLOCK(stcb); 5286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5287 return (EINVAL); 5288 } 5289 5290 if (stcb != NULL) { 5291 /************************TCB SPECIFIC SET ******************/ 5292 if (net != NULL) { 5293 /************************NET SPECIFIC SET ******************/ 5294 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5295 if (((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) && 5296 ((net->dest_state & SCTP_ADDR_NOHB) == 0)) { 5297 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5298 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5299 } 5300 net->dest_state |= SCTP_ADDR_NOHB; 5301 } 5302 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5303 if (paddrp->spp_hbinterval) { 5304 net->heart_beat_delay = paddrp->spp_hbinterval; 5305 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5306 net->heart_beat_delay = 0; 5307 } 5308 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5309 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5310 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5311 net->dest_state &= ~SCTP_ADDR_NOHB; 5312 } 5313 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5314 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5315 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5316 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5317 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5318 } 5319 } 5320 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5321 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5322 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5323 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5324 } 5325 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5326 if (paddrp->spp_pathmtu > 0) { 5327 net->mtu = paddrp->spp_pathmtu; 5328 switch (net->ro._l_addr.sa.sa_family) { 5329 #ifdef INET 5330 case AF_INET: 5331 net->mtu += SCTP_MIN_V4_OVERHEAD; 5332 break; 5333 #endif 5334 #ifdef INET6 5335 case AF_INET6: 5336 net->mtu += SCTP_MIN_OVERHEAD; 5337 break; 5338 #endif 5339 default: 5340 break; 5341 } 5342 if (net->mtu < stcb->asoc.smallest_mtu) { 5343 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5344 } 5345 } 5346 } 5347 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5348 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5349 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5350 } 5351 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5352 } 5353 if (paddrp->spp_pathmaxrxt > 0) { 5354 if (net->dest_state & SCTP_ADDR_PF) { 5355 if (net->error_count > paddrp->spp_pathmaxrxt) { 5356 net->dest_state &= ~SCTP_ADDR_PF; 5357 } 5358 } else { 5359 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5360 (net->error_count > net->pf_threshold)) { 5361 net->dest_state |= SCTP_ADDR_PF; 5362 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5363 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5364 stcb->sctp_ep, stcb, net, 5365 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5366 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5367 } 5368 } 5369 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5370 if (net->error_count > paddrp->spp_pathmaxrxt) { 5371 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5372 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5373 } 5374 } else { 5375 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5376 net->dest_state |= SCTP_ADDR_REACHABLE; 5377 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5378 } 5379 } 5380 net->failure_threshold = paddrp->spp_pathmaxrxt; 5381 } 5382 if (paddrp->spp_flags & SPP_DSCP) { 5383 net->dscp = paddrp->spp_dscp & 0xfc; 5384 net->dscp |= 0x01; 5385 } 5386 #ifdef INET6 5387 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5388 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5389 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5390 net->flowlabel |= 0x80000000; 5391 } 5392 } 5393 #endif 5394 } else { 5395 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5396 if (paddrp->spp_pathmaxrxt > 0) { 5397 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5398 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5399 if (net->dest_state & SCTP_ADDR_PF) { 5400 if (net->error_count > paddrp->spp_pathmaxrxt) { 5401 net->dest_state &= ~SCTP_ADDR_PF; 5402 } 5403 } else { 5404 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5405 (net->error_count > net->pf_threshold)) { 5406 net->dest_state |= SCTP_ADDR_PF; 5407 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5408 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5409 stcb->sctp_ep, stcb, net, 5410 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5411 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5412 } 5413 } 5414 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5415 if (net->error_count > paddrp->spp_pathmaxrxt) { 5416 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5417 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5418 } 5419 } else { 5420 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5421 net->dest_state |= SCTP_ADDR_REACHABLE; 5422 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5423 } 5424 } 5425 net->failure_threshold = paddrp->spp_pathmaxrxt; 5426 } 5427 } 5428 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5429 if (paddrp->spp_hbinterval != 0) { 5430 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5431 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5432 stcb->asoc.heart_beat_delay = 0; 5433 } 5434 /* Turn back on the timer */ 5435 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5436 if (paddrp->spp_hbinterval != 0) { 5437 net->heart_beat_delay = paddrp->spp_hbinterval; 5438 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5439 net->heart_beat_delay = 0; 5440 } 5441 if (net->dest_state & SCTP_ADDR_NOHB) { 5442 net->dest_state &= ~SCTP_ADDR_NOHB; 5443 } 5444 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5445 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5446 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5447 } 5448 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5449 } 5450 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5451 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5452 if ((net->dest_state & SCTP_ADDR_NOHB) == 0) { 5453 net->dest_state |= SCTP_ADDR_NOHB; 5454 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5455 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5456 inp, stcb, net, 5457 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5458 } 5459 } 5460 } 5461 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5462 } 5463 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5464 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5465 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5466 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5467 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5468 } 5469 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5470 if (paddrp->spp_pathmtu > 0) { 5471 net->mtu = paddrp->spp_pathmtu; 5472 switch (net->ro._l_addr.sa.sa_family) { 5473 #ifdef INET 5474 case AF_INET: 5475 net->mtu += SCTP_MIN_V4_OVERHEAD; 5476 break; 5477 #endif 5478 #ifdef INET6 5479 case AF_INET6: 5480 net->mtu += SCTP_MIN_OVERHEAD; 5481 break; 5482 #endif 5483 default: 5484 break; 5485 } 5486 if (net->mtu < stcb->asoc.smallest_mtu) { 5487 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5488 } 5489 } 5490 } 5491 if (paddrp->spp_pathmtu > 0) { 5492 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5493 } 5494 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5495 } 5496 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5497 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5498 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5499 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5500 } 5501 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5502 } 5503 stcb->asoc.default_mtu = 0; 5504 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5505 } 5506 if (paddrp->spp_flags & SPP_DSCP) { 5507 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5508 net->dscp = paddrp->spp_dscp & 0xfc; 5509 net->dscp |= 0x01; 5510 } 5511 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5512 stcb->asoc.default_dscp |= 0x01; 5513 } 5514 #ifdef INET6 5515 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5516 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5517 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5518 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5519 net->flowlabel |= 0x80000000; 5520 } 5521 } 5522 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5523 stcb->asoc.default_flowlabel |= 0x80000000; 5524 } 5525 #endif 5526 } 5527 SCTP_TCB_UNLOCK(stcb); 5528 } else { 5529 /************************NO TCB, SET TO default stuff ******************/ 5530 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5531 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5532 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5533 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5534 SCTP_INP_WLOCK(inp); 5535 /* 5536 * For the TOS/FLOWLABEL stuff you 5537 * set it with the options on the 5538 * socket 5539 */ 5540 if (paddrp->spp_pathmaxrxt > 0) { 5541 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5542 } 5543 5544 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5545 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5546 else if (paddrp->spp_hbinterval != 0) { 5547 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5548 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5549 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5550 } 5551 5552 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5553 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5554 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5555 } else if (paddrp->spp_hbinterval) { 5556 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5557 } 5558 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5559 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5560 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5561 } 5562 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5563 inp->sctp_ep.default_mtu = 0; 5564 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5565 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5566 if (paddrp->spp_pathmtu > 0) { 5567 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5568 } 5569 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5570 } 5571 if (paddrp->spp_flags & SPP_DSCP) { 5572 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5573 inp->sctp_ep.default_dscp |= 0x01; 5574 } 5575 #ifdef INET6 5576 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5577 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5578 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5579 inp->sctp_ep.default_flowlabel |= 0x80000000; 5580 } 5581 } 5582 #endif 5583 SCTP_INP_WUNLOCK(inp); 5584 } else { 5585 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5586 error = EINVAL; 5587 } 5588 } 5589 break; 5590 } 5591 case SCTP_RTOINFO: 5592 { 5593 struct sctp_rtoinfo *srto; 5594 uint32_t new_init, new_min, new_max; 5595 5596 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5597 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5598 5599 if (stcb) { 5600 if (srto->srto_initial) 5601 new_init = srto->srto_initial; 5602 else 5603 new_init = stcb->asoc.initial_rto; 5604 if (srto->srto_max) 5605 new_max = srto->srto_max; 5606 else 5607 new_max = stcb->asoc.maxrto; 5608 if (srto->srto_min) 5609 new_min = srto->srto_min; 5610 else 5611 new_min = stcb->asoc.minrto; 5612 if ((new_min <= new_init) && (new_init <= new_max)) { 5613 stcb->asoc.initial_rto = new_init; 5614 stcb->asoc.maxrto = new_max; 5615 stcb->asoc.minrto = new_min; 5616 } else { 5617 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5618 error = EINVAL; 5619 } 5620 SCTP_TCB_UNLOCK(stcb); 5621 } else { 5622 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5623 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5624 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5625 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5626 SCTP_INP_WLOCK(inp); 5627 if (srto->srto_initial) 5628 new_init = srto->srto_initial; 5629 else 5630 new_init = inp->sctp_ep.initial_rto; 5631 if (srto->srto_max) 5632 new_max = srto->srto_max; 5633 else 5634 new_max = inp->sctp_ep.sctp_maxrto; 5635 if (srto->srto_min) 5636 new_min = srto->srto_min; 5637 else 5638 new_min = inp->sctp_ep.sctp_minrto; 5639 if ((new_min <= new_init) && (new_init <= new_max)) { 5640 inp->sctp_ep.initial_rto = new_init; 5641 inp->sctp_ep.sctp_maxrto = new_max; 5642 inp->sctp_ep.sctp_minrto = new_min; 5643 } else { 5644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5645 error = EINVAL; 5646 } 5647 SCTP_INP_WUNLOCK(inp); 5648 } else { 5649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5650 error = EINVAL; 5651 } 5652 } 5653 break; 5654 } 5655 case SCTP_ASSOCINFO: 5656 { 5657 struct sctp_assocparams *sasoc; 5658 5659 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5660 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5661 if (sasoc->sasoc_cookie_life > 0) { 5662 /* boundary check the cookie life */ 5663 if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) { 5664 sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE; 5665 } 5666 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5667 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5668 } 5669 } 5670 if (stcb) { 5671 if (sasoc->sasoc_asocmaxrxt > 0) { 5672 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5673 } 5674 if (sasoc->sasoc_cookie_life > 0) { 5675 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5676 } 5677 SCTP_TCB_UNLOCK(stcb); 5678 } else { 5679 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5680 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5681 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5682 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5683 SCTP_INP_WLOCK(inp); 5684 if (sasoc->sasoc_asocmaxrxt > 0) { 5685 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5686 } 5687 if (sasoc->sasoc_cookie_life > 0) { 5688 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5689 } 5690 SCTP_INP_WUNLOCK(inp); 5691 } else { 5692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5693 error = EINVAL; 5694 } 5695 } 5696 break; 5697 } 5698 case SCTP_INITMSG: 5699 { 5700 struct sctp_initmsg *sinit; 5701 5702 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5703 SCTP_INP_WLOCK(inp); 5704 if (sinit->sinit_num_ostreams) 5705 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5706 5707 if (sinit->sinit_max_instreams) 5708 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5709 5710 if (sinit->sinit_max_attempts) 5711 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5712 5713 if (sinit->sinit_max_init_timeo) 5714 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5715 SCTP_INP_WUNLOCK(inp); 5716 break; 5717 } 5718 case SCTP_PRIMARY_ADDR: 5719 { 5720 struct sctp_setprim *spa; 5721 struct sctp_nets *net; 5722 struct sockaddr *addr; 5723 #if defined(INET) && defined(INET6) 5724 struct sockaddr_in sin_store; 5725 #endif 5726 5727 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5728 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5729 5730 #if defined(INET) && defined(INET6) 5731 if (spa->ssp_addr.ss_family == AF_INET6) { 5732 struct sockaddr_in6 *sin6; 5733 5734 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5735 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5736 in6_sin6_2_sin(&sin_store, sin6); 5737 addr = (struct sockaddr *)&sin_store; 5738 } else { 5739 addr = (struct sockaddr *)&spa->ssp_addr; 5740 } 5741 } else { 5742 addr = (struct sockaddr *)&spa->ssp_addr; 5743 } 5744 #else 5745 addr = (struct sockaddr *)&spa->ssp_addr; 5746 #endif 5747 if (stcb != NULL) { 5748 net = sctp_findnet(stcb, addr); 5749 } else { 5750 /* 5751 * We increment here since 5752 * sctp_findassociation_ep_addr() wil do a 5753 * decrement if it finds the stcb as long as 5754 * the locked tcb (last argument) is NOT a 5755 * TCB.. aka NULL. 5756 */ 5757 net = NULL; 5758 SCTP_INP_INCR_REF(inp); 5759 stcb = sctp_findassociation_ep_addr(&inp, addr, 5760 &net, NULL, NULL); 5761 if (stcb == NULL) { 5762 SCTP_INP_DECR_REF(inp); 5763 } 5764 } 5765 5766 if ((stcb != NULL) && (net != NULL)) { 5767 if (net != stcb->asoc.primary_destination) { 5768 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5769 /* Ok we need to set it */ 5770 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5771 if ((stcb->asoc.alternate) && 5772 ((net->dest_state & SCTP_ADDR_PF) == 0) && 5773 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5774 sctp_free_remote_addr(stcb->asoc.alternate); 5775 stcb->asoc.alternate = NULL; 5776 } 5777 } else { 5778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5779 error = EINVAL; 5780 } 5781 } else { 5782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5783 error = EINVAL; 5784 } 5785 } 5786 } else { 5787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5788 error = EINVAL; 5789 } 5790 if (stcb != NULL) { 5791 SCTP_TCB_UNLOCK(stcb); 5792 } 5793 break; 5794 } 5795 case SCTP_SET_DYNAMIC_PRIMARY: 5796 { 5797 union sctp_sockstore *ss; 5798 5799 error = priv_check(curthread, 5800 PRIV_NETINET_RESERVEDPORT); 5801 if (error) 5802 break; 5803 5804 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5805 /* SUPER USER CHECK? */ 5806 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5807 break; 5808 } 5809 case SCTP_SET_PEER_PRIMARY_ADDR: 5810 { 5811 struct sctp_setpeerprim *sspp; 5812 struct sockaddr *addr; 5813 #if defined(INET) && defined(INET6) 5814 struct sockaddr_in sin_store; 5815 #endif 5816 5817 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5818 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5819 if (stcb != NULL) { 5820 struct sctp_ifa *ifa; 5821 5822 #if defined(INET) && defined(INET6) 5823 if (sspp->sspp_addr.ss_family == AF_INET6) { 5824 struct sockaddr_in6 *sin6; 5825 5826 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5827 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5828 in6_sin6_2_sin(&sin_store, sin6); 5829 addr = (struct sockaddr *)&sin_store; 5830 } else { 5831 addr = (struct sockaddr *)&sspp->sspp_addr; 5832 } 5833 } else { 5834 addr = (struct sockaddr *)&sspp->sspp_addr; 5835 } 5836 #else 5837 addr = (struct sockaddr *)&sspp->sspp_addr; 5838 #endif 5839 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5840 if (ifa == NULL) { 5841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5842 error = EINVAL; 5843 goto out_of_it; 5844 } 5845 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5846 /* 5847 * Must validate the ifa found is in 5848 * our ep 5849 */ 5850 struct sctp_laddr *laddr; 5851 int found = 0; 5852 5853 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5854 if (laddr->ifa == NULL) { 5855 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5856 __func__); 5857 continue; 5858 } 5859 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5860 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5861 continue; 5862 } 5863 if (laddr->ifa == ifa) { 5864 found = 1; 5865 break; 5866 } 5867 } 5868 if (!found) { 5869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5870 error = EINVAL; 5871 goto out_of_it; 5872 } 5873 } else { 5874 switch (addr->sa_family) { 5875 #ifdef INET 5876 case AF_INET: 5877 { 5878 struct sockaddr_in *sin; 5879 5880 sin = (struct sockaddr_in *)addr; 5881 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5882 &sin->sin_addr) != 0) { 5883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5884 error = EINVAL; 5885 goto out_of_it; 5886 } 5887 break; 5888 } 5889 #endif 5890 #ifdef INET6 5891 case AF_INET6: 5892 { 5893 struct sockaddr_in6 *sin6; 5894 5895 sin6 = (struct sockaddr_in6 *)addr; 5896 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5897 &sin6->sin6_addr) != 0) { 5898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5899 error = EINVAL; 5900 goto out_of_it; 5901 } 5902 break; 5903 } 5904 #endif 5905 default: 5906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5907 error = EINVAL; 5908 goto out_of_it; 5909 } 5910 } 5911 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5912 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5913 error = EINVAL; 5914 } 5915 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5916 out_of_it: 5917 SCTP_TCB_UNLOCK(stcb); 5918 } else { 5919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5920 error = EINVAL; 5921 } 5922 break; 5923 } 5924 case SCTP_BINDX_ADD_ADDR: 5925 { 5926 struct sockaddr *sa; 5927 struct thread *td; 5928 5929 td = (struct thread *)p; 5930 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5931 #ifdef INET 5932 if (sa->sa_family == AF_INET) { 5933 if (optsize < sizeof(struct sockaddr_in)) { 5934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5935 error = EINVAL; 5936 break; 5937 } 5938 if (td != NULL && 5939 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5940 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5941 break; 5942 } 5943 } else 5944 #endif 5945 #ifdef INET6 5946 if (sa->sa_family == AF_INET6) { 5947 if (optsize < sizeof(struct sockaddr_in6)) { 5948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5949 error = EINVAL; 5950 break; 5951 } 5952 if (td != NULL && 5953 (error = prison_local_ip6(td->td_ucred, 5954 &(((struct sockaddr_in6 *)sa)->sin6_addr), 5955 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5956 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5957 break; 5958 } 5959 } else 5960 #endif 5961 { 5962 error = EAFNOSUPPORT; 5963 break; 5964 } 5965 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 5966 break; 5967 } 5968 case SCTP_BINDX_REM_ADDR: 5969 { 5970 struct sockaddr *sa; 5971 struct thread *td; 5972 5973 td = (struct thread *)p; 5974 5975 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5976 #ifdef INET 5977 if (sa->sa_family == AF_INET) { 5978 if (optsize < sizeof(struct sockaddr_in)) { 5979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5980 error = EINVAL; 5981 break; 5982 } 5983 if (td != NULL && 5984 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5985 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5986 break; 5987 } 5988 } else 5989 #endif 5990 #ifdef INET6 5991 if (sa->sa_family == AF_INET6) { 5992 if (optsize < sizeof(struct sockaddr_in6)) { 5993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5994 error = EINVAL; 5995 break; 5996 } 5997 if (td != NULL && 5998 (error = prison_local_ip6(td->td_ucred, 5999 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6000 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6001 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6002 break; 6003 } 6004 } else 6005 #endif 6006 { 6007 error = EAFNOSUPPORT; 6008 break; 6009 } 6010 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6011 break; 6012 } 6013 case SCTP_EVENT: 6014 { 6015 struct sctp_event *event; 6016 uint32_t event_type; 6017 6018 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6019 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6020 switch (event->se_type) { 6021 case SCTP_ASSOC_CHANGE: 6022 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6023 break; 6024 case SCTP_PEER_ADDR_CHANGE: 6025 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6026 break; 6027 case SCTP_REMOTE_ERROR: 6028 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6029 break; 6030 case SCTP_SEND_FAILED: 6031 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6032 break; 6033 case SCTP_SHUTDOWN_EVENT: 6034 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6035 break; 6036 case SCTP_ADAPTATION_INDICATION: 6037 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6038 break; 6039 case SCTP_PARTIAL_DELIVERY_EVENT: 6040 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6041 break; 6042 case SCTP_AUTHENTICATION_EVENT: 6043 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6044 break; 6045 case SCTP_STREAM_RESET_EVENT: 6046 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6047 break; 6048 case SCTP_SENDER_DRY_EVENT: 6049 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6050 break; 6051 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6052 event_type = 0; 6053 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6054 error = ENOTSUP; 6055 break; 6056 case SCTP_ASSOC_RESET_EVENT: 6057 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6058 break; 6059 case SCTP_STREAM_CHANGE_EVENT: 6060 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6061 break; 6062 case SCTP_SEND_FAILED_EVENT: 6063 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6064 break; 6065 default: 6066 event_type = 0; 6067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6068 error = EINVAL; 6069 break; 6070 } 6071 if (event_type > 0) { 6072 if (stcb) { 6073 if (event->se_on) { 6074 sctp_stcb_feature_on(inp, stcb, event_type); 6075 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6076 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6077 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6078 (stcb->asoc.stream_queue_cnt == 0)) { 6079 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6080 } 6081 } 6082 } else { 6083 sctp_stcb_feature_off(inp, stcb, event_type); 6084 } 6085 SCTP_TCB_UNLOCK(stcb); 6086 } else { 6087 /* 6088 * We don't want to send up a storm 6089 * of events, so return an error for 6090 * sender dry events 6091 */ 6092 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6093 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6094 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6095 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6097 error = ENOTSUP; 6098 break; 6099 } 6100 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6101 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6102 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6103 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6104 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6105 SCTP_INP_WLOCK(inp); 6106 if (event->se_on) { 6107 sctp_feature_on(inp, event_type); 6108 } else { 6109 sctp_feature_off(inp, event_type); 6110 } 6111 SCTP_INP_WUNLOCK(inp); 6112 } 6113 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6114 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6115 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6116 SCTP_INP_RLOCK(inp); 6117 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6118 SCTP_TCB_LOCK(stcb); 6119 if (event->se_on) { 6120 sctp_stcb_feature_on(inp, stcb, event_type); 6121 } else { 6122 sctp_stcb_feature_off(inp, stcb, event_type); 6123 } 6124 SCTP_TCB_UNLOCK(stcb); 6125 } 6126 SCTP_INP_RUNLOCK(inp); 6127 } 6128 } 6129 } else { 6130 if (stcb) { 6131 SCTP_TCB_UNLOCK(stcb); 6132 } 6133 } 6134 break; 6135 } 6136 case SCTP_RECVRCVINFO: 6137 { 6138 int *onoff; 6139 6140 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6141 SCTP_INP_WLOCK(inp); 6142 if (*onoff != 0) { 6143 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6144 } else { 6145 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6146 } 6147 SCTP_INP_WUNLOCK(inp); 6148 break; 6149 } 6150 case SCTP_RECVNXTINFO: 6151 { 6152 int *onoff; 6153 6154 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6155 SCTP_INP_WLOCK(inp); 6156 if (*onoff != 0) { 6157 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6158 } else { 6159 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6160 } 6161 SCTP_INP_WUNLOCK(inp); 6162 break; 6163 } 6164 case SCTP_DEFAULT_SNDINFO: 6165 { 6166 struct sctp_sndinfo *info; 6167 uint16_t policy; 6168 6169 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6170 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6171 6172 if (stcb) { 6173 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6174 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6175 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6176 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6177 stcb->asoc.def_send.sinfo_flags |= policy; 6178 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6179 stcb->asoc.def_send.sinfo_context = info->snd_context; 6180 } else { 6181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6182 error = EINVAL; 6183 } 6184 SCTP_TCB_UNLOCK(stcb); 6185 } else { 6186 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6187 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6188 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6189 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6190 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6191 SCTP_INP_WLOCK(inp); 6192 inp->def_send.sinfo_stream = info->snd_sid; 6193 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6194 inp->def_send.sinfo_flags = info->snd_flags; 6195 inp->def_send.sinfo_flags |= policy; 6196 inp->def_send.sinfo_ppid = info->snd_ppid; 6197 inp->def_send.sinfo_context = info->snd_context; 6198 SCTP_INP_WUNLOCK(inp); 6199 } 6200 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6201 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6202 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6203 SCTP_INP_RLOCK(inp); 6204 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6205 SCTP_TCB_LOCK(stcb); 6206 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6207 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6208 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6209 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6210 stcb->asoc.def_send.sinfo_flags |= policy; 6211 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6212 stcb->asoc.def_send.sinfo_context = info->snd_context; 6213 } 6214 SCTP_TCB_UNLOCK(stcb); 6215 } 6216 SCTP_INP_RUNLOCK(inp); 6217 } 6218 } 6219 break; 6220 } 6221 case SCTP_DEFAULT_PRINFO: 6222 { 6223 struct sctp_default_prinfo *info; 6224 6225 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6226 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6227 6228 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6229 if (stcb) { 6230 SCTP_TCB_UNLOCK(stcb); 6231 } 6232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6233 error = EINVAL; 6234 break; 6235 } 6236 if (stcb) { 6237 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6238 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6239 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6240 SCTP_TCB_UNLOCK(stcb); 6241 } else { 6242 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6243 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6244 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6245 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6246 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6247 SCTP_INP_WLOCK(inp); 6248 inp->def_send.sinfo_flags &= 0xfff0; 6249 inp->def_send.sinfo_flags |= info->pr_policy; 6250 inp->def_send.sinfo_timetolive = info->pr_value; 6251 SCTP_INP_WUNLOCK(inp); 6252 } 6253 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6254 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6255 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6256 SCTP_INP_RLOCK(inp); 6257 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6258 SCTP_TCB_LOCK(stcb); 6259 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6260 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6261 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6262 SCTP_TCB_UNLOCK(stcb); 6263 } 6264 SCTP_INP_RUNLOCK(inp); 6265 } 6266 } 6267 break; 6268 } 6269 case SCTP_PEER_ADDR_THLDS: 6270 /* Applies to the specific association */ 6271 { 6272 struct sctp_paddrthlds *thlds; 6273 struct sctp_nets *net; 6274 struct sockaddr *addr; 6275 #if defined(INET) && defined(INET6) 6276 struct sockaddr_in sin_store; 6277 #endif 6278 6279 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6280 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6281 6282 #if defined(INET) && defined(INET6) 6283 if (thlds->spt_address.ss_family == AF_INET6) { 6284 struct sockaddr_in6 *sin6; 6285 6286 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6287 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6288 in6_sin6_2_sin(&sin_store, sin6); 6289 addr = (struct sockaddr *)&sin_store; 6290 } else { 6291 addr = (struct sockaddr *)&thlds->spt_address; 6292 } 6293 } else { 6294 addr = (struct sockaddr *)&thlds->spt_address; 6295 } 6296 #else 6297 addr = (struct sockaddr *)&thlds->spt_address; 6298 #endif 6299 if (stcb != NULL) { 6300 net = sctp_findnet(stcb, addr); 6301 } else { 6302 /* 6303 * We increment here since 6304 * sctp_findassociation_ep_addr() wil do a 6305 * decrement if it finds the stcb as long as 6306 * the locked tcb (last argument) is NOT a 6307 * TCB.. aka NULL. 6308 */ 6309 net = NULL; 6310 SCTP_INP_INCR_REF(inp); 6311 stcb = sctp_findassociation_ep_addr(&inp, addr, 6312 &net, NULL, NULL); 6313 if (stcb == NULL) { 6314 SCTP_INP_DECR_REF(inp); 6315 } 6316 } 6317 if ((stcb != NULL) && (net == NULL)) { 6318 #ifdef INET 6319 if (addr->sa_family == AF_INET) { 6320 struct sockaddr_in *sin; 6321 6322 sin = (struct sockaddr_in *)addr; 6323 if (sin->sin_addr.s_addr != INADDR_ANY) { 6324 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6325 SCTP_TCB_UNLOCK(stcb); 6326 error = EINVAL; 6327 break; 6328 } 6329 } else 6330 #endif 6331 #ifdef INET6 6332 if (addr->sa_family == AF_INET6) { 6333 struct sockaddr_in6 *sin6; 6334 6335 sin6 = (struct sockaddr_in6 *)addr; 6336 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6337 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6338 SCTP_TCB_UNLOCK(stcb); 6339 error = EINVAL; 6340 break; 6341 } 6342 } else 6343 #endif 6344 { 6345 error = EAFNOSUPPORT; 6346 SCTP_TCB_UNLOCK(stcb); 6347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6348 break; 6349 } 6350 } 6351 if (thlds->spt_pathcpthld != 0xffff) { 6352 if (stcb != NULL) { 6353 SCTP_TCB_UNLOCK(stcb); 6354 } 6355 error = EINVAL; 6356 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6357 break; 6358 } 6359 if (stcb != NULL) { 6360 if (net != NULL) { 6361 net->failure_threshold = thlds->spt_pathmaxrxt; 6362 net->pf_threshold = thlds->spt_pathpfthld; 6363 if (net->dest_state & SCTP_ADDR_PF) { 6364 if ((net->error_count > net->failure_threshold) || 6365 (net->error_count <= net->pf_threshold)) { 6366 net->dest_state &= ~SCTP_ADDR_PF; 6367 } 6368 } else { 6369 if ((net->error_count > net->pf_threshold) && 6370 (net->error_count <= net->failure_threshold)) { 6371 net->dest_state |= SCTP_ADDR_PF; 6372 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6373 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6374 stcb->sctp_ep, stcb, net, 6375 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6376 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6377 } 6378 } 6379 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6380 if (net->error_count > net->failure_threshold) { 6381 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6382 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6383 } 6384 } else { 6385 if (net->error_count <= net->failure_threshold) { 6386 net->dest_state |= SCTP_ADDR_REACHABLE; 6387 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6388 } 6389 } 6390 } else { 6391 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6392 net->failure_threshold = thlds->spt_pathmaxrxt; 6393 net->pf_threshold = thlds->spt_pathpfthld; 6394 if (net->dest_state & SCTP_ADDR_PF) { 6395 if ((net->error_count > net->failure_threshold) || 6396 (net->error_count <= net->pf_threshold)) { 6397 net->dest_state &= ~SCTP_ADDR_PF; 6398 } 6399 } else { 6400 if ((net->error_count > net->pf_threshold) && 6401 (net->error_count <= net->failure_threshold)) { 6402 net->dest_state |= SCTP_ADDR_PF; 6403 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6404 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6405 stcb->sctp_ep, stcb, net, 6406 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6407 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6408 } 6409 } 6410 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6411 if (net->error_count > net->failure_threshold) { 6412 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6413 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6414 } 6415 } else { 6416 if (net->error_count <= net->failure_threshold) { 6417 net->dest_state |= SCTP_ADDR_REACHABLE; 6418 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6419 } 6420 } 6421 } 6422 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6423 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6424 } 6425 SCTP_TCB_UNLOCK(stcb); 6426 } else { 6427 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6428 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6429 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6430 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6431 SCTP_INP_WLOCK(inp); 6432 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6433 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6434 SCTP_INP_WUNLOCK(inp); 6435 } else { 6436 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6437 error = EINVAL; 6438 } 6439 } 6440 break; 6441 } 6442 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6443 { 6444 struct sctp_udpencaps *encaps; 6445 struct sctp_nets *net; 6446 struct sockaddr *addr; 6447 #if defined(INET) && defined(INET6) 6448 struct sockaddr_in sin_store; 6449 #endif 6450 6451 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6452 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6453 6454 #if defined(INET) && defined(INET6) 6455 if (encaps->sue_address.ss_family == AF_INET6) { 6456 struct sockaddr_in6 *sin6; 6457 6458 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6459 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6460 in6_sin6_2_sin(&sin_store, sin6); 6461 addr = (struct sockaddr *)&sin_store; 6462 } else { 6463 addr = (struct sockaddr *)&encaps->sue_address; 6464 } 6465 } else { 6466 addr = (struct sockaddr *)&encaps->sue_address; 6467 } 6468 #else 6469 addr = (struct sockaddr *)&encaps->sue_address; 6470 #endif 6471 if (stcb != NULL) { 6472 net = sctp_findnet(stcb, addr); 6473 } else { 6474 /* 6475 * We increment here since 6476 * sctp_findassociation_ep_addr() wil do a 6477 * decrement if it finds the stcb as long as 6478 * the locked tcb (last argument) is NOT a 6479 * TCB.. aka NULL. 6480 */ 6481 net = NULL; 6482 SCTP_INP_INCR_REF(inp); 6483 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6484 if (stcb == NULL) { 6485 SCTP_INP_DECR_REF(inp); 6486 } 6487 } 6488 if ((stcb != NULL) && (net == NULL)) { 6489 #ifdef INET 6490 if (addr->sa_family == AF_INET) { 6491 struct sockaddr_in *sin; 6492 6493 sin = (struct sockaddr_in *)addr; 6494 if (sin->sin_addr.s_addr != INADDR_ANY) { 6495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6496 SCTP_TCB_UNLOCK(stcb); 6497 error = EINVAL; 6498 break; 6499 } 6500 } else 6501 #endif 6502 #ifdef INET6 6503 if (addr->sa_family == AF_INET6) { 6504 struct sockaddr_in6 *sin6; 6505 6506 sin6 = (struct sockaddr_in6 *)addr; 6507 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6509 SCTP_TCB_UNLOCK(stcb); 6510 error = EINVAL; 6511 break; 6512 } 6513 } else 6514 #endif 6515 { 6516 error = EAFNOSUPPORT; 6517 SCTP_TCB_UNLOCK(stcb); 6518 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6519 break; 6520 } 6521 } 6522 6523 if (stcb != NULL) { 6524 if (net != NULL) { 6525 net->port = encaps->sue_port; 6526 } else { 6527 stcb->asoc.port = encaps->sue_port; 6528 } 6529 SCTP_TCB_UNLOCK(stcb); 6530 } else { 6531 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6532 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6533 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6534 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6535 SCTP_INP_WLOCK(inp); 6536 inp->sctp_ep.port = encaps->sue_port; 6537 SCTP_INP_WUNLOCK(inp); 6538 } else { 6539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6540 error = EINVAL; 6541 } 6542 } 6543 break; 6544 } 6545 case SCTP_ECN_SUPPORTED: 6546 { 6547 struct sctp_assoc_value *av; 6548 6549 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6550 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6551 6552 if (stcb) { 6553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6554 error = EINVAL; 6555 SCTP_TCB_UNLOCK(stcb); 6556 } else { 6557 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6558 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6559 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6560 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6561 SCTP_INP_WLOCK(inp); 6562 if (av->assoc_value == 0) { 6563 inp->ecn_supported = 0; 6564 } else { 6565 inp->ecn_supported = 1; 6566 } 6567 SCTP_INP_WUNLOCK(inp); 6568 } else { 6569 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6570 error = EINVAL; 6571 } 6572 } 6573 break; 6574 } 6575 case SCTP_PR_SUPPORTED: 6576 { 6577 struct sctp_assoc_value *av; 6578 6579 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6580 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6581 6582 if (stcb) { 6583 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6584 error = EINVAL; 6585 SCTP_TCB_UNLOCK(stcb); 6586 } else { 6587 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6588 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6589 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6590 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6591 SCTP_INP_WLOCK(inp); 6592 if (av->assoc_value == 0) { 6593 inp->prsctp_supported = 0; 6594 } else { 6595 inp->prsctp_supported = 1; 6596 } 6597 SCTP_INP_WUNLOCK(inp); 6598 } else { 6599 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6600 error = EINVAL; 6601 } 6602 } 6603 break; 6604 } 6605 case SCTP_AUTH_SUPPORTED: 6606 { 6607 struct sctp_assoc_value *av; 6608 6609 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6610 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6611 6612 if (stcb) { 6613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6614 error = EINVAL; 6615 SCTP_TCB_UNLOCK(stcb); 6616 } else { 6617 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6618 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6619 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6620 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6621 if ((av->assoc_value == 0) && 6622 (inp->asconf_supported == 1)) { 6623 /* 6624 * AUTH is required for 6625 * ASCONF 6626 */ 6627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6628 error = EINVAL; 6629 } else { 6630 SCTP_INP_WLOCK(inp); 6631 if (av->assoc_value == 0) { 6632 inp->auth_supported = 0; 6633 } else { 6634 inp->auth_supported = 1; 6635 } 6636 SCTP_INP_WUNLOCK(inp); 6637 } 6638 } else { 6639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6640 error = EINVAL; 6641 } 6642 } 6643 break; 6644 } 6645 case SCTP_ASCONF_SUPPORTED: 6646 { 6647 struct sctp_assoc_value *av; 6648 6649 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6650 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6651 6652 if (stcb) { 6653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6654 error = EINVAL; 6655 SCTP_TCB_UNLOCK(stcb); 6656 } else { 6657 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6658 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6659 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6660 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6661 if ((av->assoc_value != 0) && 6662 (inp->auth_supported == 0)) { 6663 /* 6664 * AUTH is required for 6665 * ASCONF 6666 */ 6667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6668 error = EINVAL; 6669 } else { 6670 SCTP_INP_WLOCK(inp); 6671 if (av->assoc_value == 0) { 6672 inp->asconf_supported = 0; 6673 sctp_auth_delete_chunk(SCTP_ASCONF, 6674 inp->sctp_ep.local_auth_chunks); 6675 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6676 inp->sctp_ep.local_auth_chunks); 6677 } else { 6678 inp->asconf_supported = 1; 6679 sctp_auth_add_chunk(SCTP_ASCONF, 6680 inp->sctp_ep.local_auth_chunks); 6681 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6682 inp->sctp_ep.local_auth_chunks); 6683 } 6684 SCTP_INP_WUNLOCK(inp); 6685 } 6686 } else { 6687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6688 error = EINVAL; 6689 } 6690 } 6691 break; 6692 } 6693 case SCTP_RECONFIG_SUPPORTED: 6694 { 6695 struct sctp_assoc_value *av; 6696 6697 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6698 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6699 6700 if (stcb) { 6701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6702 error = EINVAL; 6703 SCTP_TCB_UNLOCK(stcb); 6704 } else { 6705 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6706 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6707 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6708 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6709 SCTP_INP_WLOCK(inp); 6710 if (av->assoc_value == 0) { 6711 inp->reconfig_supported = 0; 6712 } else { 6713 inp->reconfig_supported = 1; 6714 } 6715 SCTP_INP_WUNLOCK(inp); 6716 } else { 6717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6718 error = EINVAL; 6719 } 6720 } 6721 break; 6722 } 6723 case SCTP_NRSACK_SUPPORTED: 6724 { 6725 struct sctp_assoc_value *av; 6726 6727 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6728 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6729 6730 if (stcb) { 6731 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6732 error = EINVAL; 6733 SCTP_TCB_UNLOCK(stcb); 6734 } else { 6735 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6736 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6737 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6738 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6739 SCTP_INP_WLOCK(inp); 6740 if (av->assoc_value == 0) { 6741 inp->nrsack_supported = 0; 6742 } else { 6743 inp->nrsack_supported = 1; 6744 } 6745 SCTP_INP_WUNLOCK(inp); 6746 } else { 6747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6748 error = EINVAL; 6749 } 6750 } 6751 break; 6752 } 6753 case SCTP_PKTDROP_SUPPORTED: 6754 { 6755 struct sctp_assoc_value *av; 6756 6757 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6758 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6759 6760 if (stcb) { 6761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6762 error = EINVAL; 6763 SCTP_TCB_UNLOCK(stcb); 6764 } else { 6765 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6766 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6767 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6768 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6769 SCTP_INP_WLOCK(inp); 6770 if (av->assoc_value == 0) { 6771 inp->pktdrop_supported = 0; 6772 } else { 6773 inp->pktdrop_supported = 1; 6774 } 6775 SCTP_INP_WUNLOCK(inp); 6776 } else { 6777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6778 error = EINVAL; 6779 } 6780 } 6781 break; 6782 } 6783 case SCTP_MAX_CWND: 6784 { 6785 struct sctp_assoc_value *av; 6786 struct sctp_nets *net; 6787 6788 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6789 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6790 6791 if (stcb) { 6792 stcb->asoc.max_cwnd = av->assoc_value; 6793 if (stcb->asoc.max_cwnd > 0) { 6794 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6795 if ((net->cwnd > stcb->asoc.max_cwnd) && 6796 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6797 net->cwnd = stcb->asoc.max_cwnd; 6798 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6799 net->cwnd = net->mtu - sizeof(struct sctphdr); 6800 } 6801 } 6802 } 6803 } 6804 SCTP_TCB_UNLOCK(stcb); 6805 } else { 6806 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6807 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6808 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6809 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6810 SCTP_INP_WLOCK(inp); 6811 inp->max_cwnd = av->assoc_value; 6812 SCTP_INP_WUNLOCK(inp); 6813 } else { 6814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6815 error = EINVAL; 6816 } 6817 } 6818 break; 6819 } 6820 case SCTP_ACCEPT_ZERO_CHECKSUM: 6821 { 6822 uint32_t *value; 6823 6824 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 6825 if ((*value == SCTP_EDMID_NONE) || 6826 (*value == SCTP_EDMID_LOWER_LAYER_DTLS)) { 6827 SCTP_INP_WLOCK(inp); 6828 inp->rcv_edmid = *value; 6829 SCTP_INP_WUNLOCK(inp); 6830 } else { 6831 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6832 error = EINVAL; 6833 } 6834 break; 6835 } 6836 6837 default: 6838 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6839 error = ENOPROTOOPT; 6840 break; 6841 } /* end switch (opt) */ 6842 return (error); 6843 } 6844 6845 int 6846 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6847 { 6848 struct epoch_tracker et; 6849 struct sctp_inpcb *inp; 6850 void *optval = NULL; 6851 void *p; 6852 size_t optsize = 0; 6853 int error = 0; 6854 6855 if ((sopt->sopt_level == SOL_SOCKET) && 6856 (sopt->sopt_name == SO_SETFIB)) { 6857 inp = (struct sctp_inpcb *)so->so_pcb; 6858 if (inp == NULL) { 6859 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6860 return (EINVAL); 6861 } 6862 SCTP_INP_WLOCK(inp); 6863 inp->fibnum = so->so_fibnum; 6864 SCTP_INP_WUNLOCK(inp); 6865 return (0); 6866 } 6867 if (sopt->sopt_level != IPPROTO_SCTP) { 6868 /* wrong proto level... send back up to IP */ 6869 #ifdef INET6 6870 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6871 error = ip6_ctloutput(so, sopt); 6872 #endif /* INET6 */ 6873 #if defined(INET) && defined(INET6) 6874 else 6875 #endif 6876 #ifdef INET 6877 error = ip_ctloutput(so, sopt); 6878 #endif 6879 return (error); 6880 } 6881 optsize = sopt->sopt_valsize; 6882 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6883 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6884 return (ENOBUFS); 6885 } 6886 if (optsize) { 6887 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6888 if (optval == NULL) { 6889 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6890 return (ENOBUFS); 6891 } 6892 error = sooptcopyin(sopt, optval, optsize, optsize); 6893 if (error) { 6894 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6895 goto out; 6896 } 6897 } 6898 p = (void *)sopt->sopt_td; 6899 if (sopt->sopt_dir == SOPT_SET) { 6900 NET_EPOCH_ENTER(et); 6901 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6902 NET_EPOCH_EXIT(et); 6903 } else if (sopt->sopt_dir == SOPT_GET) { 6904 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6905 } else { 6906 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6907 error = EINVAL; 6908 } 6909 if ((error == 0) && (optval != NULL)) { 6910 error = sooptcopyout(sopt, optval, optsize); 6911 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6912 } else if (optval != NULL) { 6913 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6914 } 6915 out: 6916 return (error); 6917 } 6918 6919 #ifdef INET 6920 static int 6921 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6922 { 6923 struct epoch_tracker et; 6924 int error = 0; 6925 int create_lock_on = 0; 6926 uint32_t vrf_id; 6927 struct sctp_inpcb *inp; 6928 struct sctp_tcb *stcb = NULL; 6929 6930 inp = (struct sctp_inpcb *)so->so_pcb; 6931 if (inp == NULL) { 6932 /* I made the same as TCP since we are not setup? */ 6933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6934 return (ECONNRESET); 6935 } 6936 if (addr == NULL) { 6937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6938 return EINVAL; 6939 } 6940 6941 switch (addr->sa_family) { 6942 #ifdef INET6 6943 case AF_INET6: 6944 { 6945 struct sockaddr_in6 *sin6; 6946 6947 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6949 return (EINVAL); 6950 } 6951 sin6 = (struct sockaddr_in6 *)addr; 6952 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 6953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6954 return (error); 6955 } 6956 break; 6957 } 6958 #endif 6959 #ifdef INET 6960 case AF_INET: 6961 { 6962 struct sockaddr_in *sin; 6963 6964 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6966 return (EINVAL); 6967 } 6968 sin = (struct sockaddr_in *)addr; 6969 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 6970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6971 return (error); 6972 } 6973 break; 6974 } 6975 #endif 6976 default: 6977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6978 return (EAFNOSUPPORT); 6979 } 6980 SCTP_INP_INCR_REF(inp); 6981 SCTP_ASOC_CREATE_LOCK(inp); 6982 create_lock_on = 1; 6983 NET_EPOCH_ENTER(et); 6984 6985 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6986 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6987 /* Should I really unlock ? */ 6988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6989 error = EFAULT; 6990 goto out_now; 6991 } 6992 #ifdef INET6 6993 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6994 (addr->sa_family == AF_INET6)) { 6995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6996 error = EINVAL; 6997 goto out_now; 6998 } 6999 #endif 7000 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7001 /* Bind a ephemeral port */ 7002 error = sctp_inpcb_bind(so, NULL, NULL, p); 7003 if (error) { 7004 goto out_now; 7005 } 7006 } 7007 /* Now do we connect? */ 7008 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7009 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7011 error = EINVAL; 7012 goto out_now; 7013 } 7014 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7015 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7016 /* We are already connected AND the TCP model */ 7017 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7018 error = EADDRINUSE; 7019 goto out_now; 7020 } 7021 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7022 SCTP_INP_RLOCK(inp); 7023 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7024 SCTP_INP_RUNLOCK(inp); 7025 } else { 7026 /* 7027 * We increment here since sctp_findassociation_ep_addr() 7028 * will do a decrement if it finds the stcb as long as the 7029 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7030 */ 7031 SCTP_INP_INCR_REF(inp); 7032 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7033 if (stcb == NULL) { 7034 SCTP_INP_DECR_REF(inp); 7035 } else { 7036 SCTP_TCB_UNLOCK(stcb); 7037 } 7038 } 7039 if (stcb != NULL) { 7040 /* Already have or am bring up an association */ 7041 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7042 error = EALREADY; 7043 goto out_now; 7044 } 7045 7046 vrf_id = inp->def_vrf_id; 7047 /* We are GOOD to go */ 7048 stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id, 7049 inp->sctp_ep.pre_open_stream_count, 7050 inp->sctp_ep.port, p, 7051 SCTP_INITIALIZE_AUTH_PARAMS); 7052 if (stcb == NULL) { 7053 /* Gak! no memory */ 7054 goto out_now; 7055 } 7056 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7057 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7058 7059 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7060 SCTP_TCB_UNLOCK(stcb); 7061 out_now: 7062 NET_EPOCH_EXIT(et); 7063 if (create_lock_on) { 7064 SCTP_ASOC_CREATE_UNLOCK(inp); 7065 } 7066 SCTP_INP_DECR_REF(inp); 7067 return (error); 7068 } 7069 #endif 7070 7071 int 7072 sctp_listen(struct socket *so, int backlog, struct thread *p) 7073 { 7074 /* 7075 * Note this module depends on the protocol processing being called 7076 * AFTER any socket level flags and backlog are applied to the 7077 * socket. The traditional way that the socket flags are applied is 7078 * AFTER protocol processing. We have made a change to the 7079 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7080 * place if the socket API for SCTP is to work properly. 7081 */ 7082 7083 int error = 0; 7084 struct sctp_inpcb *inp; 7085 7086 inp = (struct sctp_inpcb *)so->so_pcb; 7087 if (inp == NULL) { 7088 /* I made the same as TCP since we are not setup? */ 7089 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7090 return (ECONNRESET); 7091 } 7092 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7093 /* See if we have a listener */ 7094 struct sctp_inpcb *tinp; 7095 union sctp_sockstore store; 7096 7097 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7098 /* not bound all */ 7099 struct sctp_laddr *laddr; 7100 7101 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7102 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7103 switch (store.sa.sa_family) { 7104 #ifdef INET 7105 case AF_INET: 7106 store.sin.sin_port = inp->sctp_lport; 7107 break; 7108 #endif 7109 #ifdef INET6 7110 case AF_INET6: 7111 store.sin6.sin6_port = inp->sctp_lport; 7112 break; 7113 #endif 7114 default: 7115 break; 7116 } 7117 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7118 if (tinp && (tinp != inp) && 7119 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7120 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7121 (SCTP_IS_LISTENING(tinp))) { 7122 /* 7123 * we have a listener already and 7124 * its not this inp. 7125 */ 7126 SCTP_INP_DECR_REF(tinp); 7127 return (EADDRINUSE); 7128 } else if (tinp) { 7129 SCTP_INP_DECR_REF(tinp); 7130 } 7131 } 7132 } else { 7133 /* Setup a local addr bound all */ 7134 memset(&store, 0, sizeof(store)); 7135 #ifdef INET6 7136 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7137 store.sa.sa_family = AF_INET6; 7138 store.sa.sa_len = sizeof(struct sockaddr_in6); 7139 } 7140 #endif 7141 #ifdef INET 7142 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7143 store.sa.sa_family = AF_INET; 7144 store.sa.sa_len = sizeof(struct sockaddr_in); 7145 } 7146 #endif 7147 switch (store.sa.sa_family) { 7148 #ifdef INET 7149 case AF_INET: 7150 store.sin.sin_port = inp->sctp_lport; 7151 break; 7152 #endif 7153 #ifdef INET6 7154 case AF_INET6: 7155 store.sin6.sin6_port = inp->sctp_lport; 7156 break; 7157 #endif 7158 default: 7159 break; 7160 } 7161 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7162 if (tinp && (tinp != inp) && 7163 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7164 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7165 (SCTP_IS_LISTENING(tinp))) { 7166 /* 7167 * we have a listener already and its not 7168 * this inp. 7169 */ 7170 SCTP_INP_DECR_REF(tinp); 7171 return (EADDRINUSE); 7172 } else if (tinp) { 7173 SCTP_INP_DECR_REF(tinp); 7174 } 7175 } 7176 } 7177 SCTP_INP_INFO_WLOCK(); 7178 SCTP_INP_WLOCK(inp); 7179 #ifdef SCTP_LOCK_LOGGING 7180 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7181 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7182 } 7183 #endif 7184 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7185 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7186 /* 7187 * The unlucky case - We are in the tcp pool with this guy. 7188 * - Someone else is in the main inp slot. - We must move 7189 * this guy (the listener) to the main slot - We must then 7190 * move the guy that was listener to the TCP Pool. 7191 */ 7192 if (sctp_swap_inpcb_for_listen(inp)) { 7193 error = EADDRINUSE; 7194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7195 goto out; 7196 } 7197 } 7198 SOCK_LOCK(so); 7199 error = solisten_proto_check(so); 7200 if (error) { 7201 SOCK_UNLOCK(so); 7202 goto out; 7203 } 7204 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7205 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7206 SOCK_UNLOCK(so); 7207 solisten_proto_abort(so); 7208 error = EADDRINUSE; 7209 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7210 goto out; 7211 } 7212 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7213 ((inp->sctp_flags & SCTP_PCB_FLAGS_WAS_CONNECTED) || 7214 (inp->sctp_flags & SCTP_PCB_FLAGS_WAS_ABORTED))) { 7215 SOCK_UNLOCK(so); 7216 solisten_proto_abort(so); 7217 error = EINVAL; 7218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7219 goto out; 7220 } 7221 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7222 if ((error = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) { 7223 SOCK_UNLOCK(so); 7224 solisten_proto_abort(so); 7225 /* bind error, probably perm */ 7226 goto out; 7227 } 7228 } 7229 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7230 solisten_proto(so, backlog); 7231 SOCK_UNLOCK(so); 7232 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7233 } else { 7234 solisten_proto_abort(so); 7235 SOCK_UNLOCK(so); 7236 if (backlog > 0) { 7237 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7238 } else { 7239 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7240 } 7241 } 7242 out: 7243 SCTP_INP_WUNLOCK(inp); 7244 SCTP_INP_INFO_WUNLOCK(); 7245 return (error); 7246 } 7247 7248 static int sctp_defered_wakeup_cnt = 0; 7249 7250 int 7251 sctp_accept(struct socket *so, struct sockaddr **addr) 7252 { 7253 struct sctp_tcb *stcb; 7254 struct sctp_inpcb *inp; 7255 union sctp_sockstore store; 7256 #ifdef INET6 7257 int error; 7258 #endif 7259 inp = (struct sctp_inpcb *)so->so_pcb; 7260 7261 if (inp == NULL) { 7262 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7263 return (ECONNRESET); 7264 } 7265 SCTP_INP_WLOCK(inp); 7266 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7267 SCTP_INP_WUNLOCK(inp); 7268 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7269 return (EOPNOTSUPP); 7270 } 7271 if (so->so_state & SS_ISDISCONNECTED) { 7272 SCTP_INP_WUNLOCK(inp); 7273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7274 return (ECONNABORTED); 7275 } 7276 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7277 if (stcb == NULL) { 7278 SCTP_INP_WUNLOCK(inp); 7279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7280 return (ECONNRESET); 7281 } 7282 SCTP_TCB_LOCK(stcb); 7283 store = stcb->asoc.primary_destination->ro._l_addr; 7284 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7285 /* Wake any delayed sleep action */ 7286 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7287 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7288 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7289 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7290 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7291 if (sowriteable(inp->sctp_socket)) { 7292 sowwakeup_locked(inp->sctp_socket); 7293 } else { 7294 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7295 } 7296 } 7297 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7298 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7299 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7300 if (soreadable(inp->sctp_socket)) { 7301 sctp_defered_wakeup_cnt++; 7302 sorwakeup_locked(inp->sctp_socket); 7303 } else { 7304 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7305 } 7306 } 7307 } 7308 SCTP_INP_WUNLOCK(inp); 7309 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7310 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7311 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7312 } else { 7313 SCTP_TCB_UNLOCK(stcb); 7314 } 7315 switch (store.sa.sa_family) { 7316 #ifdef INET 7317 case AF_INET: 7318 { 7319 struct sockaddr_in *sin; 7320 7321 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7322 if (sin == NULL) 7323 return (ENOMEM); 7324 sin->sin_family = AF_INET; 7325 sin->sin_len = sizeof(*sin); 7326 sin->sin_port = store.sin.sin_port; 7327 sin->sin_addr = store.sin.sin_addr; 7328 *addr = (struct sockaddr *)sin; 7329 break; 7330 } 7331 #endif 7332 #ifdef INET6 7333 case AF_INET6: 7334 { 7335 struct sockaddr_in6 *sin6; 7336 7337 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7338 if (sin6 == NULL) 7339 return (ENOMEM); 7340 sin6->sin6_family = AF_INET6; 7341 sin6->sin6_len = sizeof(*sin6); 7342 sin6->sin6_port = store.sin6.sin6_port; 7343 sin6->sin6_addr = store.sin6.sin6_addr; 7344 if ((error = sa6_recoverscope(sin6)) != 0) { 7345 SCTP_FREE_SONAME(sin6); 7346 return (error); 7347 } 7348 *addr = (struct sockaddr *)sin6; 7349 break; 7350 } 7351 #endif 7352 default: 7353 /* TSNH */ 7354 break; 7355 } 7356 return (0); 7357 } 7358 7359 #ifdef INET 7360 int 7361 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7362 { 7363 struct sockaddr_in *sin; 7364 uint32_t vrf_id; 7365 struct sctp_inpcb *inp; 7366 struct sctp_ifa *sctp_ifa; 7367 7368 /* 7369 * Do the malloc first in case it blocks. 7370 */ 7371 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7372 if (sin == NULL) 7373 return (ENOMEM); 7374 sin->sin_family = AF_INET; 7375 sin->sin_len = sizeof(*sin); 7376 inp = (struct sctp_inpcb *)so->so_pcb; 7377 if (!inp) { 7378 SCTP_FREE_SONAME(sin); 7379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7380 return (ECONNRESET); 7381 } 7382 SCTP_INP_RLOCK(inp); 7383 sin->sin_port = inp->sctp_lport; 7384 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7385 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7386 struct sctp_tcb *stcb; 7387 struct sockaddr_in *sin_a; 7388 struct sctp_nets *net; 7389 int fnd; 7390 7391 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7392 if (stcb == NULL) { 7393 goto notConn; 7394 } 7395 fnd = 0; 7396 sin_a = NULL; 7397 SCTP_TCB_LOCK(stcb); 7398 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7399 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7400 if (sin_a == NULL) 7401 /* this will make coverity happy */ 7402 continue; 7403 7404 if (sin_a->sin_family == AF_INET) { 7405 fnd = 1; 7406 break; 7407 } 7408 } 7409 if ((!fnd) || (sin_a == NULL)) { 7410 /* punt */ 7411 SCTP_TCB_UNLOCK(stcb); 7412 goto notConn; 7413 } 7414 7415 vrf_id = inp->def_vrf_id; 7416 sctp_ifa = sctp_source_address_selection(inp, 7417 stcb, 7418 (sctp_route_t *)&net->ro, 7419 net, 0, vrf_id); 7420 if (sctp_ifa) { 7421 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7422 sctp_free_ifa(sctp_ifa); 7423 } 7424 SCTP_TCB_UNLOCK(stcb); 7425 } else { 7426 /* For the bound all case you get back 0 */ 7427 notConn: 7428 sin->sin_addr.s_addr = 0; 7429 } 7430 7431 } else { 7432 /* Take the first IPv4 address in the list */ 7433 struct sctp_laddr *laddr; 7434 int fnd = 0; 7435 7436 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7437 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7438 struct sockaddr_in *sin_a; 7439 7440 sin_a = &laddr->ifa->address.sin; 7441 sin->sin_addr = sin_a->sin_addr; 7442 fnd = 1; 7443 break; 7444 } 7445 } 7446 if (!fnd) { 7447 SCTP_FREE_SONAME(sin); 7448 SCTP_INP_RUNLOCK(inp); 7449 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7450 return (ENOENT); 7451 } 7452 } 7453 SCTP_INP_RUNLOCK(inp); 7454 (*addr) = (struct sockaddr *)sin; 7455 return (0); 7456 } 7457 7458 int 7459 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7460 { 7461 struct sockaddr_in *sin; 7462 int fnd; 7463 struct sockaddr_in *sin_a; 7464 struct sctp_inpcb *inp; 7465 struct sctp_tcb *stcb; 7466 struct sctp_nets *net; 7467 7468 /* Do the malloc first in case it blocks. */ 7469 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7470 if (sin == NULL) 7471 return (ENOMEM); 7472 sin->sin_family = AF_INET; 7473 sin->sin_len = sizeof(*sin); 7474 7475 inp = (struct sctp_inpcb *)so->so_pcb; 7476 if ((inp == NULL) || 7477 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7478 /* UDP type and listeners will drop out here */ 7479 SCTP_FREE_SONAME(sin); 7480 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7481 return (ENOTCONN); 7482 } 7483 SCTP_INP_RLOCK(inp); 7484 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7485 if (stcb) { 7486 SCTP_TCB_LOCK(stcb); 7487 } 7488 SCTP_INP_RUNLOCK(inp); 7489 if (stcb == NULL) { 7490 SCTP_FREE_SONAME(sin); 7491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7492 return (ECONNRESET); 7493 } 7494 fnd = 0; 7495 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7496 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7497 if (sin_a->sin_family == AF_INET) { 7498 fnd = 1; 7499 sin->sin_port = stcb->rport; 7500 sin->sin_addr = sin_a->sin_addr; 7501 break; 7502 } 7503 } 7504 SCTP_TCB_UNLOCK(stcb); 7505 if (!fnd) { 7506 /* No IPv4 address */ 7507 SCTP_FREE_SONAME(sin); 7508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7509 return (ENOENT); 7510 } 7511 (*addr) = (struct sockaddr *)sin; 7512 return (0); 7513 } 7514 7515 #define SCTP_PROTOSW \ 7516 .pr_protocol = IPPROTO_SCTP, \ 7517 .pr_ctloutput = sctp_ctloutput, \ 7518 .pr_abort = sctp_abort, \ 7519 .pr_accept = sctp_accept, \ 7520 .pr_attach = sctp_attach, \ 7521 .pr_bind = sctp_bind, \ 7522 .pr_connect = sctp_connect, \ 7523 .pr_control = in_control, \ 7524 .pr_close = sctp_close, \ 7525 .pr_detach = sctp_close, \ 7526 .pr_sopoll = sopoll_generic, \ 7527 .pr_flush = sctp_flush, \ 7528 .pr_disconnect = sctp_disconnect, \ 7529 .pr_listen = sctp_listen, \ 7530 .pr_peeraddr = sctp_peeraddr, \ 7531 .pr_send = sctp_sendm, \ 7532 .pr_shutdown = sctp_shutdown, \ 7533 .pr_sockaddr = sctp_ingetaddr, \ 7534 .pr_sosend = sctp_sosend, \ 7535 .pr_soreceive = sctp_soreceive \ 7536 7537 struct protosw sctp_seqpacket_protosw = { 7538 .pr_type = SOCK_SEQPACKET, 7539 .pr_flags = PR_WANTRCVD, 7540 SCTP_PROTOSW 7541 }; 7542 7543 struct protosw sctp_stream_protosw = { 7544 .pr_type = SOCK_STREAM, 7545 .pr_flags = PR_CONNREQUIRED | PR_WANTRCVD, 7546 SCTP_PROTOSW 7547 }; 7548 #endif 7549