1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <netinet/sctp_os.h> 36 #include <sys/proc.h> 37 #include <netinet/sctp_pcb.h> 38 #include <netinet/sctp_header.h> 39 #include <netinet/sctp_var.h> 40 #ifdef INET6 41 #include <netinet6/sctp6_var.h> 42 #endif 43 #include <netinet/sctp_sysctl.h> 44 #include <netinet/sctp_output.h> 45 #include <netinet/sctp_uio.h> 46 #include <netinet/sctp_asconf.h> 47 #include <netinet/sctputil.h> 48 #include <netinet/sctp_indata.h> 49 #include <netinet/sctp_timer.h> 50 #include <netinet/sctp_auth.h> 51 #include <netinet/sctp_bsd_addr.h> 52 #include <netinet/udp.h> 53 #include <sys/eventhandler.h> 54 55 extern const struct sctp_cc_functions sctp_cc_functions[]; 56 extern const struct sctp_ss_functions sctp_ss_functions[]; 57 58 static void 59 sctp_init(void *arg SCTP_UNUSED) 60 { 61 u_long sb_max_adj; 62 63 /* Initialize and modify the sysctled variables */ 64 sctp_init_sysctls(); 65 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 66 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 67 /* 68 * Allow a user to take no more than 1/2 the number of clusters or 69 * the SB_MAX, whichever is smaller, for the send window. 70 */ 71 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 72 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 73 (((uint32_t)nmbclusters / 2) * MCLBYTES)); 74 /* 75 * Now for the recv window, should we take the same amount? or 76 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 77 * now I will just copy. 78 */ 79 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 80 SCTP_BASE_VAR(first_time) = 0; 81 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 82 sctp_pcb_init(); 83 #if defined(SCTP_PACKET_LOGGING) 84 SCTP_BASE_VAR(packet_log_writers) = 0; 85 SCTP_BASE_VAR(packet_log_end) = 0; 86 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 87 #endif 88 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, 89 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); 90 } 91 92 VNET_SYSINIT(sctp_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_THIRD, sctp_init, NULL); 93 94 #ifdef VIMAGE 95 static void 96 sctp_finish(void *unused __unused) 97 { 98 EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag)); 99 sctp_pcb_finish(); 100 } 101 102 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 103 #endif 104 105 void 106 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint32_t mtu, bool resend) 107 { 108 struct sctp_association *asoc; 109 struct sctp_tmit_chunk *chk; 110 uint32_t overhead; 111 112 asoc = &stcb->asoc; 113 KASSERT(mtu < asoc->smallest_mtu, 114 ("Currently only reducing association MTU %u supported (MTU %u)", 115 asoc->smallest_mtu, mtu)); 116 asoc->smallest_mtu = mtu; 117 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 118 overhead = SCTP_MIN_OVERHEAD; 119 } else { 120 overhead = SCTP_MIN_V4_OVERHEAD; 121 } 122 if (asoc->idata_supported) { 123 if (sctp_auth_is_required_chunk(SCTP_IDATA, asoc->peer_auth_chunks)) { 124 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 125 } 126 } else { 127 if (sctp_auth_is_required_chunk(SCTP_DATA, asoc->peer_auth_chunks)) { 128 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 129 } 130 } 131 KASSERT(overhead % 4 == 0, 132 ("overhead (%u) not a multiple of 4", overhead)); 133 TAILQ_FOREACH(chk, &asoc->send_queue, sctp_next) { 134 if (((uint32_t)chk->send_size + overhead) > mtu) { 135 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 136 } 137 } 138 TAILQ_FOREACH(chk, &asoc->sent_queue, sctp_next) { 139 if (((uint32_t)chk->send_size + overhead) > mtu) { 140 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 141 if (resend && chk->sent < SCTP_DATAGRAM_RESEND) { 142 /* 143 * If requested, mark the chunk for 144 * immediate resend, since we sent it being 145 * too big. 146 */ 147 sctp_flight_size_decrease(chk); 148 sctp_total_flight_decrease(stcb, chk); 149 chk->sent = SCTP_DATAGRAM_RESEND; 150 sctp_ucount_incr(asoc->sent_queue_retran_cnt); 151 chk->rec.data.doing_fast_retransmit = 0; 152 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 153 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 154 chk->whoTo->flight_size, 155 chk->book_size, 156 (uint32_t)(uintptr_t)chk->whoTo, 157 chk->rec.data.tsn); 158 } 159 /* Clear any time, so NO RTT is being done. */ 160 if (chk->do_rtt == 1) { 161 chk->do_rtt = 0; 162 chk->whoTo->rto_needed = 1; 163 } 164 } 165 } 166 } 167 } 168 169 #ifdef INET 170 void 171 sctp_notify(struct sctp_inpcb *inp, 172 struct sctp_tcb *stcb, 173 struct sctp_nets *net, 174 uint8_t icmp_type, 175 uint8_t icmp_code, 176 uint16_t ip_len, 177 uint32_t next_mtu) 178 { 179 int timer_stopped; 180 181 if (icmp_type != ICMP_UNREACH) { 182 /* We only care about unreachable */ 183 SCTP_TCB_UNLOCK(stcb); 184 return; 185 } 186 if ((icmp_code == ICMP_UNREACH_NET) || 187 (icmp_code == ICMP_UNREACH_HOST) || 188 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 189 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 190 (icmp_code == ICMP_UNREACH_ISOLATED) || 191 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 192 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 193 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 194 /* Mark the net unreachable. */ 195 if (net->dest_state & SCTP_ADDR_REACHABLE) { 196 /* OK, that destination is NOT reachable. */ 197 net->dest_state &= ~SCTP_ADDR_REACHABLE; 198 net->dest_state &= ~SCTP_ADDR_PF; 199 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 200 stcb, 0, 201 (void *)net, SCTP_SO_NOT_LOCKED); 202 } 203 SCTP_TCB_UNLOCK(stcb); 204 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 205 (icmp_code == ICMP_UNREACH_PORT)) { 206 /* Treat it like an ABORT. */ 207 sctp_abort_notification(stcb, true, false, 0, NULL, SCTP_SO_NOT_LOCKED); 208 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 209 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 210 /* no need to unlock here, since the TCB is gone */ 211 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 212 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 213 SCTP_TCB_UNLOCK(stcb); 214 return; 215 } 216 /* Find the next (smaller) MTU */ 217 if (next_mtu == 0) { 218 /* 219 * Old type router that does not tell us what the 220 * next MTU is. Rats we will have to guess (in a 221 * educated fashion of course). 222 */ 223 next_mtu = sctp_get_prev_mtu(ip_len); 224 } 225 /* Stop the PMTU timer. */ 226 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 227 timer_stopped = 1; 228 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 229 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 230 } else { 231 timer_stopped = 0; 232 } 233 /* Update the path MTU. */ 234 if (net->port) { 235 next_mtu -= sizeof(struct udphdr); 236 } 237 if (net->mtu > next_mtu) { 238 net->mtu = next_mtu; 239 if (net->port) { 240 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 241 } else { 242 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 243 } 244 } 245 /* Update the association MTU */ 246 if (stcb->asoc.smallest_mtu > next_mtu) { 247 sctp_pathmtu_adjustment(stcb, next_mtu, true); 248 } 249 /* Finally, start the PMTU timer if it was running before. */ 250 if (timer_stopped) { 251 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 252 } 253 SCTP_TCB_UNLOCK(stcb); 254 } else { 255 SCTP_TCB_UNLOCK(stcb); 256 } 257 } 258 259 void 260 sctp_ctlinput(struct icmp *icmp) 261 { 262 struct ip *inner_ip, *outer_ip; 263 struct sctphdr *sh; 264 struct sctp_inpcb *inp; 265 struct sctp_tcb *stcb; 266 struct sctp_nets *net; 267 struct sctp_init_chunk *ch; 268 struct sockaddr_in src, dst; 269 270 if (icmp_errmap(icmp) == 0) 271 return; 272 273 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 274 inner_ip = &icmp->icmp_ip; 275 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 276 memset(&src, 0, sizeof(struct sockaddr_in)); 277 src.sin_family = AF_INET; 278 src.sin_len = sizeof(struct sockaddr_in); 279 src.sin_port = sh->src_port; 280 src.sin_addr = inner_ip->ip_src; 281 memset(&dst, 0, sizeof(struct sockaddr_in)); 282 dst.sin_family = AF_INET; 283 dst.sin_len = sizeof(struct sockaddr_in); 284 dst.sin_port = sh->dest_port; 285 dst.sin_addr = inner_ip->ip_dst; 286 /* 287 * 'dst' holds the dest of the packet that failed to be sent. 'src' 288 * holds our local endpoint address. Thus we reverse the dst and the 289 * src in the lookup. 290 */ 291 inp = NULL; 292 net = NULL; 293 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 294 (struct sockaddr *)&src, 295 &inp, &net, 1, 296 SCTP_DEFAULT_VRFID); 297 if ((stcb != NULL) && 298 (net != NULL) && 299 (inp != NULL)) { 300 /* Check the verification tag */ 301 if (ntohl(sh->v_tag) != 0) { 302 /* 303 * This must be the verification tag used for 304 * sending out packets. We don't consider packets 305 * reflecting the verification tag. 306 */ 307 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 308 SCTP_TCB_UNLOCK(stcb); 309 return; 310 } 311 } else { 312 if (ntohs(outer_ip->ip_len) >= 313 sizeof(struct ip) + 314 8 + (inner_ip->ip_hl << 2) + 20) { 315 /* 316 * In this case we can check if we got an 317 * INIT chunk and if the initiate tag 318 * matches. 319 */ 320 ch = (struct sctp_init_chunk *)(sh + 1); 321 if ((ch->ch.chunk_type != SCTP_INITIATION) || 322 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 323 SCTP_TCB_UNLOCK(stcb); 324 return; 325 } 326 } else { 327 SCTP_TCB_UNLOCK(stcb); 328 return; 329 } 330 } 331 sctp_notify(inp, stcb, net, 332 icmp->icmp_type, 333 icmp->icmp_code, 334 ntohs(inner_ip->ip_len), 335 (uint32_t)ntohs(icmp->icmp_nextmtu)); 336 } else { 337 if ((stcb == NULL) && (inp != NULL)) { 338 /* reduce ref-count */ 339 SCTP_INP_WLOCK(inp); 340 SCTP_INP_DECR_REF(inp); 341 SCTP_INP_WUNLOCK(inp); 342 } 343 if (stcb) { 344 SCTP_TCB_UNLOCK(stcb); 345 } 346 } 347 } 348 #endif 349 350 static int 351 sctp_getcred(SYSCTL_HANDLER_ARGS) 352 { 353 struct xucred xuc; 354 struct sockaddr_in addrs[2]; 355 struct sctp_inpcb *inp; 356 struct sctp_nets *net; 357 struct sctp_tcb *stcb; 358 int error; 359 uint32_t vrf_id; 360 361 /* FIX, for non-bsd is this right? */ 362 vrf_id = SCTP_DEFAULT_VRFID; 363 364 error = priv_check(req->td, PRIV_NETINET_GETCRED); 365 366 if (error) 367 return (error); 368 369 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 370 if (error) 371 return (error); 372 373 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 374 sintosa(&addrs[0]), 375 &inp, &net, 1, vrf_id); 376 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 377 if ((inp != NULL) && (stcb == NULL)) { 378 /* reduce ref-count */ 379 SCTP_INP_WLOCK(inp); 380 SCTP_INP_DECR_REF(inp); 381 goto cred_can_cont; 382 } 383 384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 385 error = ENOENT; 386 goto out; 387 } 388 SCTP_TCB_UNLOCK(stcb); 389 /* 390 * We use the write lock here, only since in the error leg we need 391 * it. If we used RLOCK, then we would have to 392 * wlock/decr/unlock/rlock. Which in theory could create a hole. 393 * Better to use higher wlock. 394 */ 395 SCTP_INP_WLOCK(inp); 396 cred_can_cont: 397 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 398 if (error) { 399 SCTP_INP_WUNLOCK(inp); 400 goto out; 401 } 402 cru2x(inp->sctp_socket->so_cred, &xuc); 403 SCTP_INP_WUNLOCK(inp); 404 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 405 out: 406 return (error); 407 } 408 409 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 410 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 411 0, 0, sctp_getcred, "S,ucred", 412 "Get the ucred of a SCTP connection"); 413 414 void 415 sctp_abort(struct socket *so) 416 { 417 struct epoch_tracker et; 418 struct sctp_inpcb *inp; 419 420 inp = (struct sctp_inpcb *)so->so_pcb; 421 if (inp == NULL) { 422 return; 423 } 424 425 SCTP_INP_WLOCK(inp); 426 NET_EPOCH_ENTER(et); 427 #ifdef SCTP_LOG_CLOSING 428 sctp_log_closing(inp, NULL, 17); 429 #endif 430 if (((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0)) { 431 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 432 #ifdef SCTP_LOG_CLOSING 433 sctp_log_closing(inp, NULL, 16); 434 #endif 435 SCTP_INP_WUNLOCK(inp); 436 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 437 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 438 SOCK_LOCK(so); 439 KASSERT(!SOLISTENING(so), 440 ("sctp_abort: called on listening socket %p", so)); 441 SCTP_SB_CLEAR(so->so_snd); 442 SCTP_SB_CLEAR(so->so_rcv); 443 /* Now null out the reference, we are completely detached. */ 444 so->so_pcb = NULL; 445 SOCK_UNLOCK(so); 446 } else { 447 SCTP_INP_WUNLOCK(inp); 448 } 449 NET_EPOCH_EXIT(et); 450 } 451 452 #ifdef INET 453 static int 454 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 455 { 456 struct sctp_inpcb *inp; 457 struct inpcb *ip_inp; 458 int error; 459 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 460 461 inp = (struct sctp_inpcb *)so->so_pcb; 462 if (inp != NULL) { 463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 464 return (EINVAL); 465 } 466 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 467 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 468 if (error) { 469 return (error); 470 } 471 } 472 error = sctp_inpcb_alloc(so, vrf_id); 473 if (error) { 474 return (error); 475 } 476 inp = (struct sctp_inpcb *)so->so_pcb; 477 SCTP_INP_WLOCK(inp); 478 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 479 ip_inp = &inp->ip_inp.inp; 480 ip_inp->inp_vflag |= INP_IPV4; 481 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 482 SCTP_INP_WUNLOCK(inp); 483 return (0); 484 } 485 486 static int 487 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 488 { 489 struct sctp_inpcb *inp; 490 491 inp = (struct sctp_inpcb *)so->so_pcb; 492 if (inp == NULL) { 493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 494 return (EINVAL); 495 } 496 if (addr != NULL) { 497 if ((addr->sa_family != AF_INET) || 498 (addr->sa_len != sizeof(struct sockaddr_in))) { 499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 500 return (EINVAL); 501 } 502 } 503 return (sctp_inpcb_bind(so, addr, NULL, p)); 504 } 505 506 #endif 507 void 508 sctp_close(struct socket *so) 509 { 510 struct epoch_tracker et; 511 struct sctp_inpcb *inp; 512 513 inp = (struct sctp_inpcb *)so->so_pcb; 514 if (inp == NULL) 515 return; 516 517 /* 518 * Inform all the lower layer assoc that we are done. 519 */ 520 SCTP_INP_WLOCK(inp); 521 NET_EPOCH_ENTER(et); 522 #ifdef SCTP_LOG_CLOSING 523 sctp_log_closing(inp, NULL, 17); 524 #endif 525 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 526 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 527 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 528 (SCTP_SBAVAIL(&so->so_rcv) > 0)) { 529 #ifdef SCTP_LOG_CLOSING 530 sctp_log_closing(inp, NULL, 13); 531 #endif 532 SCTP_INP_WUNLOCK(inp); 533 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 534 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 535 } else { 536 #ifdef SCTP_LOG_CLOSING 537 sctp_log_closing(inp, NULL, 14); 538 #endif 539 SCTP_INP_WUNLOCK(inp); 540 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 541 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 542 } 543 /* 544 * The socket is now detached, no matter what the state of 545 * the SCTP association. 546 */ 547 SOCK_LOCK(so); 548 if (!SOLISTENING(so)) { 549 SCTP_SB_CLEAR(so->so_snd); 550 SCTP_SB_CLEAR(so->so_rcv); 551 } 552 /* Now null out the reference, we are completely detached. */ 553 so->so_pcb = NULL; 554 SOCK_UNLOCK(so); 555 } else { 556 SCTP_INP_WUNLOCK(inp); 557 } 558 NET_EPOCH_EXIT(et); 559 } 560 561 int 562 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 563 struct mbuf *control, struct thread *p); 564 565 int 566 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 567 struct mbuf *control, struct thread *p) 568 { 569 struct sctp_inpcb *inp; 570 int error; 571 572 inp = (struct sctp_inpcb *)so->so_pcb; 573 if (inp == NULL) { 574 if (control) { 575 sctp_m_freem(control); 576 control = NULL; 577 } 578 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 579 sctp_m_freem(m); 580 return (EINVAL); 581 } 582 /* Got to have an to address if we are NOT a connected socket */ 583 if ((addr == NULL) && 584 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 585 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 586 goto connected_type; 587 } 588 589 error = 0; 590 if (addr == NULL) { 591 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 592 error = EDESTADDRREQ; 593 } else if (addr->sa_family != AF_INET) { 594 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 595 error = EAFNOSUPPORT; 596 } else if (addr->sa_len != sizeof(struct sockaddr_in)) { 597 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 598 error = EINVAL; 599 } 600 if (error != 0) { 601 sctp_m_freem(m); 602 if (control) { 603 sctp_m_freem(control); 604 control = NULL; 605 } 606 return (error); 607 } 608 connected_type: 609 /* now what about control */ 610 if (control) { 611 if (inp->control) { 612 sctp_m_freem(inp->control); 613 inp->control = NULL; 614 } 615 inp->control = control; 616 } 617 /* Place the data */ 618 if (inp->pkt) { 619 SCTP_BUF_NEXT(inp->pkt_last) = m; 620 inp->pkt_last = m; 621 } else { 622 inp->pkt_last = inp->pkt = m; 623 } 624 if ( 625 /* FreeBSD uses a flag passed */ 626 ((flags & PRUS_MORETOCOME) == 0) 627 ) { 628 /* 629 * note with the current version this code will only be used 630 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 631 * re-defining sosend to use the sctp_sosend. One can 632 * optionally switch back to this code (by changing back the 633 * definitions) but this is not advisable. This code is used 634 * by FreeBSD when sending a file with sendfile() though. 635 */ 636 struct epoch_tracker et; 637 int ret; 638 639 NET_EPOCH_ENTER(et); 640 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 641 NET_EPOCH_EXIT(et); 642 inp->pkt = NULL; 643 inp->control = NULL; 644 return (ret); 645 } else { 646 return (0); 647 } 648 } 649 650 int 651 sctp_disconnect(struct socket *so) 652 { 653 struct epoch_tracker et; 654 struct sctp_inpcb *inp; 655 struct sctp_association *asoc; 656 struct sctp_tcb *stcb; 657 658 inp = (struct sctp_inpcb *)so->so_pcb; 659 if (inp == NULL) { 660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 661 return (ENOTCONN); 662 } 663 SCTP_INP_RLOCK(inp); 664 KASSERT(inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE || 665 inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL, 666 ("Not a one-to-one style socket")); 667 stcb = LIST_FIRST(&inp->sctp_asoc_list); 668 if (stcb == NULL) { 669 SCTP_INP_RUNLOCK(inp); 670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 671 return (ENOTCONN); 672 } 673 SCTP_TCB_LOCK(stcb); 674 asoc = &stcb->asoc; 675 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 676 /* We are about to be freed, out of here */ 677 SCTP_TCB_UNLOCK(stcb); 678 SCTP_INP_RUNLOCK(inp); 679 return (0); 680 } 681 NET_EPOCH_ENTER(et); 682 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 683 (SCTP_SBAVAIL(&so->so_rcv) > 0)) { 684 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 685 /* Left with Data unread */ 686 struct mbuf *op_err; 687 688 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 689 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 690 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 691 } 692 SCTP_INP_RUNLOCK(inp); 693 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 694 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 695 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 696 } 697 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 698 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 699 /* No unlock tcb assoc is gone */ 700 NET_EPOCH_EXIT(et); 701 return (0); 702 } 703 if (TAILQ_EMPTY(&asoc->send_queue) && 704 TAILQ_EMPTY(&asoc->sent_queue) && 705 (asoc->stream_queue_cnt == 0)) { 706 /* there is nothing queued to send, so done */ 707 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 708 goto abort_anyway; 709 } 710 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 711 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 712 /* only send SHUTDOWN 1st time thru */ 713 struct sctp_nets *netp; 714 715 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 716 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 717 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 718 } 719 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 720 sctp_stop_timers_for_shutdown(stcb); 721 if (stcb->asoc.alternate) { 722 netp = stcb->asoc.alternate; 723 } else { 724 netp = stcb->asoc.primary_destination; 725 } 726 sctp_send_shutdown(stcb, netp); 727 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 728 stcb->sctp_ep, stcb, netp); 729 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 730 stcb->sctp_ep, stcb, NULL); 731 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 732 } 733 } else { 734 /* 735 * we still got (or just got) data to send, so set 736 * SHUTDOWN_PENDING 737 */ 738 /* 739 * XXX sockets draft says that SCTP_EOF should be sent with 740 * no data. currently, we will allow user data to be sent 741 * first and move to SHUTDOWN-PENDING 742 */ 743 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 744 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 745 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 746 } 747 if (TAILQ_EMPTY(&asoc->send_queue) && 748 TAILQ_EMPTY(&asoc->sent_queue) && 749 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 750 struct mbuf *op_err; 751 752 abort_anyway: 753 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 754 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 755 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 756 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 757 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 758 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 759 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 760 } 761 SCTP_INP_RUNLOCK(inp); 762 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 763 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 764 NET_EPOCH_EXIT(et); 765 return (0); 766 } else { 767 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 768 } 769 } 770 soisdisconnecting(so); 771 NET_EPOCH_EXIT(et); 772 SCTP_TCB_UNLOCK(stcb); 773 SCTP_INP_RUNLOCK(inp); 774 return (0); 775 } 776 777 int 778 sctp_flush(struct socket *so, int how) 779 { 780 struct epoch_tracker et; 781 struct sctp_tcb *stcb; 782 struct sctp_queued_to_read *control, *ncontrol; 783 struct sctp_inpcb *inp; 784 struct mbuf *m, *op_err; 785 bool need_to_abort = false; 786 787 /* 788 * For 1-to-1 style sockets, flush the read queue and trigger an 789 * ungraceful shutdown of the association, if and only if user 790 * messages are lost. Loosing notifications does not need to be 791 * signalled to the peer. 792 */ 793 if (how == PRU_FLUSH_WR) { 794 /* This function is only relevant for the read directions. */ 795 return (0); 796 } 797 inp = (struct sctp_inpcb *)so->so_pcb; 798 if (inp == NULL) { 799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 800 return (EINVAL); 801 } 802 SCTP_INP_WLOCK(inp); 803 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 804 /* For 1-to-many style sockets this function does nothing. */ 805 SCTP_INP_WUNLOCK(inp); 806 return (0); 807 } 808 stcb = LIST_FIRST(&inp->sctp_asoc_list); 809 if (stcb != NULL) { 810 SCTP_TCB_LOCK(stcb); 811 } 812 SCTP_INP_READ_LOCK(inp); 813 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 814 SOCK_LOCK(so); 815 TAILQ_FOREACH_SAFE(control, &inp->read_queue, next, ncontrol) { 816 if ((control->spec_flags & M_NOTIFICATION) == 0) { 817 need_to_abort = true; 818 } 819 TAILQ_REMOVE(&inp->read_queue, control, next); 820 control->on_read_q = 0; 821 for (m = control->data; m; m = SCTP_BUF_NEXT(m)) { 822 sctp_sbfree(control, control->stcb, &so->so_rcv, m); 823 } 824 if (control->on_strm_q == 0) { 825 sctp_free_remote_addr(control->whoFrom); 826 if (control->data) { 827 sctp_m_freem(control->data); 828 control->data = NULL; 829 } 830 sctp_free_a_readq(stcb, control); 831 } else { 832 stcb->asoc.size_on_all_streams += control->length; 833 } 834 } 835 SOCK_UNLOCK(so); 836 SCTP_INP_READ_UNLOCK(inp); 837 if (need_to_abort && (stcb != NULL)) { 838 inp->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 839 SCTP_INP_WUNLOCK(inp); 840 op_err = sctp_generate_cause(SCTP_CAUSE_OUT_OF_RESC, ""); 841 NET_EPOCH_ENTER(et); 842 sctp_abort_an_association(inp, stcb, op_err, false, SCTP_SO_LOCKED); 843 NET_EPOCH_EXIT(et); 844 return (ECONNABORTED); 845 } 846 if (stcb != NULL) { 847 SCTP_TCB_UNLOCK(stcb); 848 } 849 SCTP_INP_WUNLOCK(inp); 850 return (0); 851 } 852 853 int 854 sctp_shutdown(struct socket *so) 855 { 856 struct sctp_inpcb *inp; 857 858 inp = (struct sctp_inpcb *)so->so_pcb; 859 if (inp == NULL) { 860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 861 return (EINVAL); 862 } 863 SCTP_INP_RLOCK(inp); 864 /* For UDP model this is a invalid call */ 865 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 866 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 867 /* Restore the flags that the soshutdown took away. */ 868 SOCKBUF_LOCK(&so->so_rcv); 869 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 870 SOCKBUF_UNLOCK(&so->so_rcv); 871 /* This proc will wakeup for read and do nothing (I hope) */ 872 SCTP_INP_RUNLOCK(inp); 873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 874 return (EOPNOTSUPP); 875 } else { 876 /* 877 * Ok, if we reach here its the TCP model and it is either a 878 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 879 * against it. 880 */ 881 struct epoch_tracker et; 882 struct sctp_tcb *stcb; 883 struct sctp_association *asoc; 884 struct sctp_nets *netp; 885 886 if ((so->so_state & 887 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 888 SCTP_INP_RUNLOCK(inp); 889 return (ENOTCONN); 890 } 891 socantsendmore(so); 892 893 stcb = LIST_FIRST(&inp->sctp_asoc_list); 894 if (stcb == NULL) { 895 /* 896 * Ok, we hit the case that the shutdown call was 897 * made after an abort or something. Nothing to do 898 * now. 899 */ 900 SCTP_INP_RUNLOCK(inp); 901 return (0); 902 } 903 SCTP_TCB_LOCK(stcb); 904 asoc = &stcb->asoc; 905 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 906 SCTP_TCB_UNLOCK(stcb); 907 SCTP_INP_RUNLOCK(inp); 908 return (0); 909 } 910 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 911 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 912 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 913 /* 914 * If we are not in or before ESTABLISHED, there is 915 * no protocol action required. 916 */ 917 SCTP_TCB_UNLOCK(stcb); 918 SCTP_INP_RUNLOCK(inp); 919 return (0); 920 } 921 NET_EPOCH_ENTER(et); 922 if (stcb->asoc.alternate) { 923 netp = stcb->asoc.alternate; 924 } else { 925 netp = stcb->asoc.primary_destination; 926 } 927 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 928 TAILQ_EMPTY(&asoc->send_queue) && 929 TAILQ_EMPTY(&asoc->sent_queue) && 930 (asoc->stream_queue_cnt == 0)) { 931 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 932 goto abort_anyway; 933 } 934 /* there is nothing queued to send, so I'm done... */ 935 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 936 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 937 sctp_stop_timers_for_shutdown(stcb); 938 sctp_send_shutdown(stcb, netp); 939 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 940 stcb->sctp_ep, stcb, netp); 941 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 942 stcb->sctp_ep, stcb, NULL); 943 } else { 944 /* 945 * We still got (or just got) data to send, so set 946 * SHUTDOWN_PENDING. 947 */ 948 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 949 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 950 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 951 } 952 if (TAILQ_EMPTY(&asoc->send_queue) && 953 TAILQ_EMPTY(&asoc->sent_queue) && 954 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 955 struct mbuf *op_err; 956 957 abort_anyway: 958 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 959 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 960 SCTP_INP_RUNLOCK(inp); 961 sctp_abort_an_association(stcb->sctp_ep, stcb, 962 op_err, false, SCTP_SO_LOCKED); 963 NET_EPOCH_EXIT(et); 964 return (0); 965 } 966 } 967 /* 968 * XXX: Why do this in the case where we have still data 969 * queued? 970 */ 971 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 972 SCTP_TCB_UNLOCK(stcb); 973 SCTP_INP_RUNLOCK(inp); 974 NET_EPOCH_EXIT(et); 975 return (0); 976 } 977 } 978 979 /* 980 * copies a "user" presentable address and removes embedded scope, etc. 981 * returns 0 on success, 1 on error 982 */ 983 static uint32_t 984 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 985 { 986 #ifdef INET6 987 struct sockaddr_in6 lsa6; 988 989 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 990 &lsa6); 991 #endif 992 memcpy(dst, src, src->sa_len); 993 return (0); 994 } 995 996 static size_t 997 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 998 struct sctp_tcb *stcb, 999 size_t limit, 1000 struct sockaddr *addr, 1001 uint32_t vrf_id) 1002 { 1003 struct sctp_ifn *sctp_ifn; 1004 struct sctp_ifa *sctp_ifa; 1005 size_t actual; 1006 int loopback_scope; 1007 #if defined(INET) 1008 int ipv4_local_scope, ipv4_addr_legal; 1009 #endif 1010 #if defined(INET6) 1011 int local_scope, site_scope, ipv6_addr_legal; 1012 #endif 1013 struct sctp_vrf *vrf; 1014 1015 SCTP_IPI_ADDR_LOCK_ASSERT(); 1016 actual = 0; 1017 if (limit == 0) 1018 return (actual); 1019 1020 if (stcb) { 1021 /* Turn on all the appropriate scope */ 1022 loopback_scope = stcb->asoc.scope.loopback_scope; 1023 #if defined(INET) 1024 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1025 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1026 #endif 1027 #if defined(INET6) 1028 local_scope = stcb->asoc.scope.local_scope; 1029 site_scope = stcb->asoc.scope.site_scope; 1030 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1031 #endif 1032 } else { 1033 /* Use generic values for endpoints. */ 1034 loopback_scope = 1; 1035 #if defined(INET) 1036 ipv4_local_scope = 1; 1037 #endif 1038 #if defined(INET6) 1039 local_scope = 1; 1040 site_scope = 1; 1041 #endif 1042 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1043 #if defined(INET6) 1044 ipv6_addr_legal = 1; 1045 #endif 1046 #if defined(INET) 1047 if (SCTP_IPV6_V6ONLY(inp)) { 1048 ipv4_addr_legal = 0; 1049 } else { 1050 ipv4_addr_legal = 1; 1051 } 1052 #endif 1053 } else { 1054 #if defined(INET6) 1055 ipv6_addr_legal = 0; 1056 #endif 1057 #if defined(INET) 1058 ipv4_addr_legal = 1; 1059 #endif 1060 } 1061 } 1062 vrf = sctp_find_vrf(vrf_id); 1063 if (vrf == NULL) { 1064 return (0); 1065 } 1066 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1067 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1068 if ((loopback_scope == 0) && 1069 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1070 /* Skip loopback if loopback_scope not set */ 1071 continue; 1072 } 1073 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1074 if (stcb) { 1075 /* 1076 * For the BOUND-ALL case, the list 1077 * associated with a TCB is Always 1078 * considered a reverse list.. i.e. 1079 * it lists addresses that are NOT 1080 * part of the association. If this 1081 * is one of those we must skip it. 1082 */ 1083 if (sctp_is_addr_restricted(stcb, 1084 sctp_ifa)) { 1085 continue; 1086 } 1087 } 1088 switch (sctp_ifa->address.sa.sa_family) { 1089 #ifdef INET 1090 case AF_INET: 1091 if (ipv4_addr_legal) { 1092 struct sockaddr_in *sin; 1093 1094 sin = &sctp_ifa->address.sin; 1095 if (sin->sin_addr.s_addr == 0) { 1096 /* 1097 * we skip 1098 * unspecified 1099 * addresses 1100 */ 1101 continue; 1102 } 1103 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1104 &sin->sin_addr) != 0) { 1105 continue; 1106 } 1107 if ((ipv4_local_scope == 0) && 1108 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1109 continue; 1110 } 1111 #ifdef INET6 1112 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1113 if (actual + sizeof(struct sockaddr_in6) > limit) { 1114 return (actual); 1115 } 1116 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr); 1117 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1118 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1119 actual += sizeof(struct sockaddr_in6); 1120 } else { 1121 #endif 1122 if (actual + sizeof(struct sockaddr_in) > limit) { 1123 return (actual); 1124 } 1125 memcpy(addr, sin, sizeof(struct sockaddr_in)); 1126 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1127 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); 1128 actual += sizeof(struct sockaddr_in); 1129 #ifdef INET6 1130 } 1131 #endif 1132 } else { 1133 continue; 1134 } 1135 break; 1136 #endif 1137 #ifdef INET6 1138 case AF_INET6: 1139 if (ipv6_addr_legal) { 1140 struct sockaddr_in6 *sin6; 1141 1142 sin6 = &sctp_ifa->address.sin6; 1143 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1144 /* 1145 * we skip 1146 * unspecified 1147 * addresses 1148 */ 1149 continue; 1150 } 1151 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1152 &sin6->sin6_addr) != 0) { 1153 continue; 1154 } 1155 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1156 if (local_scope == 0) 1157 continue; 1158 if (sin6->sin6_scope_id == 0) { 1159 if (sa6_recoverscope(sin6) != 0) 1160 /* 1161 * 1162 * bad 1163 * link 1164 * 1165 * local 1166 * 1167 * address 1168 */ 1169 continue; 1170 } 1171 } 1172 if ((site_scope == 0) && 1173 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1174 continue; 1175 } 1176 if (actual + sizeof(struct sockaddr_in6) > limit) { 1177 return (actual); 1178 } 1179 memcpy(addr, sin6, sizeof(struct sockaddr_in6)); 1180 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1181 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1182 actual += sizeof(struct sockaddr_in6); 1183 } else { 1184 continue; 1185 } 1186 break; 1187 #endif 1188 default: 1189 /* TSNH */ 1190 break; 1191 } 1192 } 1193 } 1194 } else { 1195 struct sctp_laddr *laddr; 1196 size_t sa_len; 1197 1198 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1199 if (stcb) { 1200 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1201 continue; 1202 } 1203 } 1204 sa_len = laddr->ifa->address.sa.sa_len; 1205 if (actual + sa_len > limit) { 1206 return (actual); 1207 } 1208 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) 1209 continue; 1210 switch (laddr->ifa->address.sa.sa_family) { 1211 #ifdef INET 1212 case AF_INET: 1213 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1214 break; 1215 #endif 1216 #ifdef INET6 1217 case AF_INET6: 1218 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1219 break; 1220 #endif 1221 default: 1222 /* TSNH */ 1223 break; 1224 } 1225 addr = (struct sockaddr *)((caddr_t)addr + sa_len); 1226 actual += sa_len; 1227 } 1228 } 1229 return (actual); 1230 } 1231 1232 static size_t 1233 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1234 struct sctp_tcb *stcb, 1235 size_t limit, 1236 struct sockaddr *addr) 1237 { 1238 size_t size; 1239 1240 SCTP_IPI_ADDR_RLOCK(); 1241 /* fill up addresses for the endpoint's default vrf */ 1242 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, 1243 inp->def_vrf_id); 1244 SCTP_IPI_ADDR_RUNLOCK(); 1245 return (size); 1246 } 1247 1248 static size_t 1249 sctp_max_size_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1250 { 1251 struct sctp_vrf *vrf; 1252 size_t size; 1253 1254 /* 1255 * In both sub-set bound an bound_all cases we return the size of 1256 * the maximum number of addresses that you could get. In reality 1257 * the sub-set bound may have an exclusion list for a given TCB or 1258 * in the bound-all case a TCB may NOT include the loopback or other 1259 * addresses as well. 1260 */ 1261 SCTP_IPI_ADDR_LOCK_ASSERT(); 1262 vrf = sctp_find_vrf(vrf_id); 1263 if (vrf == NULL) { 1264 return (0); 1265 } 1266 size = 0; 1267 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1268 struct sctp_ifn *sctp_ifn; 1269 struct sctp_ifa *sctp_ifa; 1270 1271 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1272 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1273 /* Count them if they are the right type */ 1274 switch (sctp_ifa->address.sa.sa_family) { 1275 #ifdef INET 1276 case AF_INET: 1277 #ifdef INET6 1278 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1279 size += sizeof(struct sockaddr_in6); 1280 else 1281 size += sizeof(struct sockaddr_in); 1282 #else 1283 size += sizeof(struct sockaddr_in); 1284 #endif 1285 break; 1286 #endif 1287 #ifdef INET6 1288 case AF_INET6: 1289 size += sizeof(struct sockaddr_in6); 1290 break; 1291 #endif 1292 default: 1293 break; 1294 } 1295 } 1296 } 1297 } else { 1298 struct sctp_laddr *laddr; 1299 1300 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1301 switch (laddr->ifa->address.sa.sa_family) { 1302 #ifdef INET 1303 case AF_INET: 1304 #ifdef INET6 1305 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1306 size += sizeof(struct sockaddr_in6); 1307 else 1308 size += sizeof(struct sockaddr_in); 1309 #else 1310 size += sizeof(struct sockaddr_in); 1311 #endif 1312 break; 1313 #endif 1314 #ifdef INET6 1315 case AF_INET6: 1316 size += sizeof(struct sockaddr_in6); 1317 break; 1318 #endif 1319 default: 1320 break; 1321 } 1322 } 1323 } 1324 return (size); 1325 } 1326 1327 static size_t 1328 sctp_max_size_addresses(struct sctp_inpcb *inp) 1329 { 1330 size_t size; 1331 1332 SCTP_IPI_ADDR_RLOCK(); 1333 /* Maximum size of all addresses for the endpoint's default VRF */ 1334 size = sctp_max_size_addresses_vrf(inp, inp->def_vrf_id); 1335 SCTP_IPI_ADDR_RUNLOCK(); 1336 return (size); 1337 } 1338 1339 static int 1340 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1341 size_t optsize, void *p, int delay) 1342 { 1343 int error; 1344 int creat_lock_on = 0; 1345 struct sctp_tcb *stcb = NULL; 1346 struct sockaddr *sa; 1347 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1348 uint32_t vrf_id; 1349 sctp_assoc_t *a_id; 1350 1351 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1352 1353 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1354 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1355 /* We are already connected AND the TCP model */ 1356 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1357 return (EADDRINUSE); 1358 } 1359 1360 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1361 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1362 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1363 return (EINVAL); 1364 } 1365 1366 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1367 SCTP_INP_RLOCK(inp); 1368 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1369 SCTP_INP_RUNLOCK(inp); 1370 } 1371 if (stcb) { 1372 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1373 return (EALREADY); 1374 } 1375 SCTP_INP_INCR_REF(inp); 1376 SCTP_ASOC_CREATE_LOCK(inp); 1377 creat_lock_on = 1; 1378 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1379 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1380 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1381 error = EFAULT; 1382 goto out_now; 1383 } 1384 totaddrp = (unsigned int *)optval; 1385 totaddr = *totaddrp; 1386 sa = (struct sockaddr *)(totaddrp + 1); 1387 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1388 if (error != 0) { 1389 /* Already have or am bring up an association */ 1390 SCTP_ASOC_CREATE_UNLOCK(inp); 1391 creat_lock_on = 0; 1392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1393 goto out_now; 1394 } 1395 #ifdef INET6 1396 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1397 (num_v6 > 0)) { 1398 error = EINVAL; 1399 goto out_now; 1400 } 1401 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1402 (num_v4 > 0)) { 1403 if (SCTP_IPV6_V6ONLY(inp)) { 1404 /* 1405 * if IPV6_V6ONLY flag, ignore connections destined 1406 * to a v4 addr or v4-mapped addr 1407 */ 1408 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1409 error = EINVAL; 1410 goto out_now; 1411 } 1412 } 1413 #endif /* INET6 */ 1414 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 1415 /* Bind a ephemeral port */ 1416 error = sctp_inpcb_bind(so, NULL, NULL, p); 1417 if (error) { 1418 goto out_now; 1419 } 1420 } 1421 1422 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1423 vrf_id = inp->def_vrf_id; 1424 1425 /* We are GOOD to go */ 1426 stcb = sctp_aloc_assoc_connected(inp, sa, &error, 0, 0, vrf_id, 1427 inp->sctp_ep.pre_open_stream_count, 1428 inp->sctp_ep.port, 1429 (struct thread *)p, 1430 SCTP_INITIALIZE_AUTH_PARAMS); 1431 if (stcb == NULL) { 1432 /* Gak! no memory */ 1433 goto out_now; 1434 } 1435 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1436 /* move to second address */ 1437 switch (sa->sa_family) { 1438 #ifdef INET 1439 case AF_INET: 1440 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1441 break; 1442 #endif 1443 #ifdef INET6 1444 case AF_INET6: 1445 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1446 break; 1447 #endif 1448 default: 1449 break; 1450 } 1451 1452 error = 0; 1453 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1454 /* Fill in the return id */ 1455 if (error) { 1456 goto out_now; 1457 } 1458 a_id = (sctp_assoc_t *)optval; 1459 *a_id = sctp_get_associd(stcb); 1460 1461 if (delay) { 1462 /* doing delayed connection */ 1463 stcb->asoc.delayed_connection = 1; 1464 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1465 } else { 1466 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1467 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1468 } 1469 SCTP_TCB_UNLOCK(stcb); 1470 out_now: 1471 if (creat_lock_on) { 1472 SCTP_ASOC_CREATE_UNLOCK(inp); 1473 } 1474 SCTP_INP_DECR_REF(inp); 1475 return (error); 1476 } 1477 1478 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1479 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1480 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1481 SCTP_INP_RLOCK(inp); \ 1482 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1483 if (stcb) { \ 1484 SCTP_TCB_LOCK(stcb); \ 1485 } \ 1486 SCTP_INP_RUNLOCK(inp); \ 1487 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1488 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1489 if (stcb == NULL) { \ 1490 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1491 error = ENOENT; \ 1492 break; \ 1493 } \ 1494 } else { \ 1495 stcb = NULL; \ 1496 } \ 1497 } 1498 1499 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1500 if (size < sizeof(type)) { \ 1501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1502 error = EINVAL; \ 1503 break; \ 1504 } else { \ 1505 destp = (type *)srcp; \ 1506 } \ 1507 } 1508 1509 static int 1510 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1511 void *p) 1512 { 1513 struct sctp_inpcb *inp = NULL; 1514 int error, val = 0; 1515 struct sctp_tcb *stcb = NULL; 1516 1517 if (optval == NULL) { 1518 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1519 return (EINVAL); 1520 } 1521 1522 inp = (struct sctp_inpcb *)so->so_pcb; 1523 if (inp == NULL) { 1524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1525 return EINVAL; 1526 } 1527 error = 0; 1528 1529 switch (optname) { 1530 case SCTP_NODELAY: 1531 case SCTP_AUTOCLOSE: 1532 case SCTP_EXPLICIT_EOR: 1533 case SCTP_AUTO_ASCONF: 1534 case SCTP_DISABLE_FRAGMENTS: 1535 case SCTP_I_WANT_MAPPED_V4_ADDR: 1536 case SCTP_USE_EXT_RCVINFO: 1537 SCTP_INP_RLOCK(inp); 1538 switch (optname) { 1539 case SCTP_DISABLE_FRAGMENTS: 1540 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1541 break; 1542 case SCTP_I_WANT_MAPPED_V4_ADDR: 1543 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1544 break; 1545 case SCTP_AUTO_ASCONF: 1546 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1547 /* only valid for bound all sockets */ 1548 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1549 } else { 1550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1551 error = EINVAL; 1552 goto flags_out; 1553 } 1554 break; 1555 case SCTP_EXPLICIT_EOR: 1556 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1557 break; 1558 case SCTP_NODELAY: 1559 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1560 break; 1561 case SCTP_USE_EXT_RCVINFO: 1562 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1563 break; 1564 case SCTP_AUTOCLOSE: 1565 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1566 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1567 else 1568 val = 0; 1569 break; 1570 1571 default: 1572 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1573 error = ENOPROTOOPT; 1574 } /* end switch (sopt->sopt_name) */ 1575 if (*optsize < sizeof(val)) { 1576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1577 error = EINVAL; 1578 } 1579 flags_out: 1580 SCTP_INP_RUNLOCK(inp); 1581 if (error == 0) { 1582 /* return the option value */ 1583 *(int *)optval = val; 1584 *optsize = sizeof(val); 1585 } 1586 break; 1587 case SCTP_GET_PACKET_LOG: 1588 { 1589 #ifdef SCTP_PACKET_LOGGING 1590 uint8_t *target; 1591 int ret; 1592 1593 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1594 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1595 *optsize = ret; 1596 #else 1597 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1598 error = EOPNOTSUPP; 1599 #endif 1600 break; 1601 } 1602 case SCTP_REUSE_PORT: 1603 { 1604 uint32_t *value; 1605 1606 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1607 /* Can't do this for a 1-m socket */ 1608 error = EINVAL; 1609 break; 1610 } 1611 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1612 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1613 *optsize = sizeof(uint32_t); 1614 break; 1615 } 1616 case SCTP_PARTIAL_DELIVERY_POINT: 1617 { 1618 uint32_t *value; 1619 1620 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1621 *value = inp->partial_delivery_point; 1622 *optsize = sizeof(uint32_t); 1623 break; 1624 } 1625 case SCTP_FRAGMENT_INTERLEAVE: 1626 { 1627 uint32_t *value; 1628 1629 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1630 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1631 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1632 *value = SCTP_FRAG_LEVEL_2; 1633 } else { 1634 *value = SCTP_FRAG_LEVEL_1; 1635 } 1636 } else { 1637 *value = SCTP_FRAG_LEVEL_0; 1638 } 1639 *optsize = sizeof(uint32_t); 1640 break; 1641 } 1642 case SCTP_INTERLEAVING_SUPPORTED: 1643 { 1644 struct sctp_assoc_value *av; 1645 1646 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1647 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1648 1649 if (stcb) { 1650 av->assoc_value = stcb->asoc.idata_supported; 1651 SCTP_TCB_UNLOCK(stcb); 1652 } else { 1653 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1654 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1655 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1656 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1657 SCTP_INP_RLOCK(inp); 1658 if (inp->idata_supported) { 1659 av->assoc_value = 1; 1660 } else { 1661 av->assoc_value = 0; 1662 } 1663 SCTP_INP_RUNLOCK(inp); 1664 } else { 1665 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1666 error = EINVAL; 1667 } 1668 } 1669 if (error == 0) { 1670 *optsize = sizeof(struct sctp_assoc_value); 1671 } 1672 break; 1673 } 1674 case SCTP_CMT_ON_OFF: 1675 { 1676 struct sctp_assoc_value *av; 1677 1678 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1679 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1680 if (stcb) { 1681 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1682 SCTP_TCB_UNLOCK(stcb); 1683 } else { 1684 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1685 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1686 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1687 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1688 SCTP_INP_RLOCK(inp); 1689 av->assoc_value = inp->sctp_cmt_on_off; 1690 SCTP_INP_RUNLOCK(inp); 1691 } else { 1692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1693 error = EINVAL; 1694 } 1695 } 1696 if (error == 0) { 1697 *optsize = sizeof(struct sctp_assoc_value); 1698 } 1699 break; 1700 } 1701 case SCTP_PLUGGABLE_CC: 1702 { 1703 struct sctp_assoc_value *av; 1704 1705 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1706 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1707 if (stcb) { 1708 av->assoc_value = stcb->asoc.congestion_control_module; 1709 SCTP_TCB_UNLOCK(stcb); 1710 } else { 1711 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1712 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1713 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1714 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1715 SCTP_INP_RLOCK(inp); 1716 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1717 SCTP_INP_RUNLOCK(inp); 1718 } else { 1719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1720 error = EINVAL; 1721 } 1722 } 1723 if (error == 0) { 1724 *optsize = sizeof(struct sctp_assoc_value); 1725 } 1726 break; 1727 } 1728 case SCTP_CC_OPTION: 1729 { 1730 struct sctp_cc_option *cc_opt; 1731 1732 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1733 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1734 if (stcb == NULL) { 1735 error = EINVAL; 1736 } else { 1737 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1738 error = ENOTSUP; 1739 } else { 1740 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1741 *optsize = sizeof(struct sctp_cc_option); 1742 } 1743 SCTP_TCB_UNLOCK(stcb); 1744 } 1745 break; 1746 } 1747 case SCTP_STREAM_SCHEDULER: 1748 { 1749 struct sctp_assoc_value *av; 1750 1751 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1752 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1753 if (stcb) { 1754 av->assoc_value = stcb->asoc.stream_scheduling_module; 1755 SCTP_TCB_UNLOCK(stcb); 1756 } else { 1757 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1758 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1759 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1760 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1761 SCTP_INP_RLOCK(inp); 1762 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1763 SCTP_INP_RUNLOCK(inp); 1764 } else { 1765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1766 error = EINVAL; 1767 } 1768 } 1769 if (error == 0) { 1770 *optsize = sizeof(struct sctp_assoc_value); 1771 } 1772 break; 1773 } 1774 case SCTP_STREAM_SCHEDULER_VALUE: 1775 { 1776 struct sctp_stream_value *av; 1777 1778 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1779 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1780 if (stcb) { 1781 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1782 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1783 &av->stream_value) < 0)) { 1784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1785 error = EINVAL; 1786 } else { 1787 *optsize = sizeof(struct sctp_stream_value); 1788 } 1789 SCTP_TCB_UNLOCK(stcb); 1790 } else { 1791 /* 1792 * Can't get stream value without 1793 * association 1794 */ 1795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1796 error = EINVAL; 1797 } 1798 break; 1799 } 1800 case SCTP_GET_ADDR_LEN: 1801 { 1802 struct sctp_assoc_value *av; 1803 1804 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1805 error = EINVAL; 1806 #ifdef INET 1807 if (av->assoc_value == AF_INET) { 1808 av->assoc_value = sizeof(struct sockaddr_in); 1809 error = 0; 1810 } 1811 #endif 1812 #ifdef INET6 1813 if (av->assoc_value == AF_INET6) { 1814 av->assoc_value = sizeof(struct sockaddr_in6); 1815 error = 0; 1816 } 1817 #endif 1818 if (error) { 1819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1820 } else { 1821 *optsize = sizeof(struct sctp_assoc_value); 1822 } 1823 break; 1824 } 1825 case SCTP_GET_ASSOC_NUMBER: 1826 { 1827 uint32_t *value, cnt; 1828 1829 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1830 SCTP_INP_RLOCK(inp); 1831 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1832 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1833 /* Can't do this for a 1-1 socket */ 1834 error = EINVAL; 1835 SCTP_INP_RUNLOCK(inp); 1836 break; 1837 } 1838 cnt = 0; 1839 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1840 cnt++; 1841 } 1842 SCTP_INP_RUNLOCK(inp); 1843 *value = cnt; 1844 *optsize = sizeof(uint32_t); 1845 break; 1846 } 1847 case SCTP_GET_ASSOC_ID_LIST: 1848 { 1849 struct sctp_assoc_ids *ids; 1850 uint32_t at; 1851 size_t limit; 1852 1853 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1854 SCTP_INP_RLOCK(inp); 1855 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1856 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1857 /* Can't do this for a 1-1 socket */ 1858 error = EINVAL; 1859 SCTP_INP_RUNLOCK(inp); 1860 break; 1861 } 1862 at = 0; 1863 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1864 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1865 if (at < limit) { 1866 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1867 if (at == 0) { 1868 error = EINVAL; 1869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1870 break; 1871 } 1872 } else { 1873 error = EINVAL; 1874 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1875 break; 1876 } 1877 } 1878 SCTP_INP_RUNLOCK(inp); 1879 if (error == 0) { 1880 ids->gaids_number_of_ids = at; 1881 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1882 } 1883 break; 1884 } 1885 case SCTP_CONTEXT: 1886 { 1887 struct sctp_assoc_value *av; 1888 1889 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1890 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1891 1892 if (stcb) { 1893 av->assoc_value = stcb->asoc.context; 1894 SCTP_TCB_UNLOCK(stcb); 1895 } else { 1896 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1897 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1898 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1899 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1900 SCTP_INP_RLOCK(inp); 1901 av->assoc_value = inp->sctp_context; 1902 SCTP_INP_RUNLOCK(inp); 1903 } else { 1904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1905 error = EINVAL; 1906 } 1907 } 1908 if (error == 0) { 1909 *optsize = sizeof(struct sctp_assoc_value); 1910 } 1911 break; 1912 } 1913 case SCTP_VRF_ID: 1914 { 1915 uint32_t *default_vrfid; 1916 1917 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1918 *default_vrfid = inp->def_vrf_id; 1919 *optsize = sizeof(uint32_t); 1920 break; 1921 } 1922 case SCTP_GET_ASOC_VRF: 1923 { 1924 struct sctp_assoc_value *id; 1925 1926 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1927 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1928 if (stcb == NULL) { 1929 error = EINVAL; 1930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1931 } else { 1932 id->assoc_value = stcb->asoc.vrf_id; 1933 SCTP_TCB_UNLOCK(stcb); 1934 *optsize = sizeof(struct sctp_assoc_value); 1935 } 1936 break; 1937 } 1938 case SCTP_GET_VRF_IDS: 1939 { 1940 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1941 error = EOPNOTSUPP; 1942 break; 1943 } 1944 case SCTP_GET_NONCE_VALUES: 1945 { 1946 struct sctp_get_nonce_values *gnv; 1947 1948 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1949 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1950 1951 if (stcb) { 1952 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1953 gnv->gn_local_tag = stcb->asoc.my_vtag; 1954 SCTP_TCB_UNLOCK(stcb); 1955 *optsize = sizeof(struct sctp_get_nonce_values); 1956 } else { 1957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1958 error = ENOTCONN; 1959 } 1960 break; 1961 } 1962 case SCTP_DELAYED_SACK: 1963 { 1964 struct sctp_sack_info *sack; 1965 1966 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1967 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1968 if (stcb) { 1969 sack->sack_delay = stcb->asoc.delayed_ack; 1970 sack->sack_freq = stcb->asoc.sack_freq; 1971 SCTP_TCB_UNLOCK(stcb); 1972 } else { 1973 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1974 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1975 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1976 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1977 SCTP_INP_RLOCK(inp); 1978 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1979 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1980 SCTP_INP_RUNLOCK(inp); 1981 } else { 1982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1983 error = EINVAL; 1984 } 1985 } 1986 if (error == 0) { 1987 *optsize = sizeof(struct sctp_sack_info); 1988 } 1989 break; 1990 } 1991 case SCTP_GET_SNDBUF_USE: 1992 { 1993 struct sctp_sockstat *ss; 1994 1995 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 1996 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 1997 1998 if (stcb) { 1999 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2000 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2001 stcb->asoc.size_on_all_streams); 2002 SCTP_TCB_UNLOCK(stcb); 2003 *optsize = sizeof(struct sctp_sockstat); 2004 } else { 2005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2006 error = ENOTCONN; 2007 } 2008 break; 2009 } 2010 case SCTP_MAX_BURST: 2011 { 2012 struct sctp_assoc_value *av; 2013 2014 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2015 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2016 2017 if (stcb) { 2018 av->assoc_value = stcb->asoc.max_burst; 2019 SCTP_TCB_UNLOCK(stcb); 2020 } else { 2021 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2022 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2023 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2024 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2025 SCTP_INP_RLOCK(inp); 2026 av->assoc_value = inp->sctp_ep.max_burst; 2027 SCTP_INP_RUNLOCK(inp); 2028 } else { 2029 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2030 error = EINVAL; 2031 } 2032 } 2033 if (error == 0) { 2034 *optsize = sizeof(struct sctp_assoc_value); 2035 } 2036 break; 2037 } 2038 case SCTP_MAXSEG: 2039 { 2040 struct sctp_assoc_value *av; 2041 2042 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2043 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2044 2045 if (stcb) { 2046 av->assoc_value = stcb->asoc.sctp_frag_point; 2047 SCTP_TCB_UNLOCK(stcb); 2048 } else { 2049 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2050 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2051 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2052 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2053 SCTP_INP_RLOCK(inp); 2054 av->assoc_value = inp->sctp_frag_point; 2055 SCTP_INP_RUNLOCK(inp); 2056 } else { 2057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2058 error = EINVAL; 2059 } 2060 } 2061 if (error == 0) { 2062 *optsize = sizeof(struct sctp_assoc_value); 2063 } 2064 break; 2065 } 2066 case SCTP_GET_STAT_LOG: 2067 error = sctp_fill_stat_log(optval, optsize); 2068 break; 2069 case SCTP_EVENTS: 2070 { 2071 struct sctp_event_subscribe *events; 2072 2073 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2074 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2075 SCTP_INP_RLOCK(inp); 2076 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2077 events->sctp_data_io_event = 1; 2078 2079 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2080 events->sctp_association_event = 1; 2081 2082 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2083 events->sctp_address_event = 1; 2084 2085 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2086 events->sctp_send_failure_event = 1; 2087 2088 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2089 events->sctp_peer_error_event = 1; 2090 2091 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2092 events->sctp_shutdown_event = 1; 2093 2094 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2095 events->sctp_partial_delivery_event = 1; 2096 2097 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2098 events->sctp_adaptation_layer_event = 1; 2099 2100 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2101 events->sctp_authentication_event = 1; 2102 2103 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2104 events->sctp_sender_dry_event = 1; 2105 2106 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2107 events->sctp_stream_reset_event = 1; 2108 SCTP_INP_RUNLOCK(inp); 2109 *optsize = sizeof(struct sctp_event_subscribe); 2110 break; 2111 } 2112 case SCTP_ADAPTATION_LAYER: 2113 { 2114 uint32_t *value; 2115 2116 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2117 2118 SCTP_INP_RLOCK(inp); 2119 *value = inp->sctp_ep.adaptation_layer_indicator; 2120 SCTP_INP_RUNLOCK(inp); 2121 *optsize = sizeof(uint32_t); 2122 break; 2123 } 2124 case SCTP_SET_INITIAL_DBG_SEQ: 2125 { 2126 uint32_t *value; 2127 2128 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2129 SCTP_INP_RLOCK(inp); 2130 *value = inp->sctp_ep.initial_sequence_debug; 2131 SCTP_INP_RUNLOCK(inp); 2132 *optsize = sizeof(uint32_t); 2133 break; 2134 } 2135 case SCTP_GET_LOCAL_ADDR_SIZE: 2136 { 2137 uint32_t *value; 2138 2139 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2140 SCTP_INP_RLOCK(inp); 2141 *value = (uint32_t)sctp_max_size_addresses(inp); 2142 SCTP_INP_RUNLOCK(inp); 2143 *optsize = sizeof(uint32_t); 2144 break; 2145 } 2146 case SCTP_GET_REMOTE_ADDR_SIZE: 2147 { 2148 uint32_t *value; 2149 struct sctp_nets *net; 2150 size_t size; 2151 2152 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2153 /* FIXME MT: change to sctp_assoc_value? */ 2154 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2155 2156 if (stcb != NULL) { 2157 size = 0; 2158 /* Count the sizes */ 2159 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2160 switch (net->ro._l_addr.sa.sa_family) { 2161 #ifdef INET 2162 case AF_INET: 2163 #ifdef INET6 2164 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2165 size += sizeof(struct sockaddr_in6); 2166 } else { 2167 size += sizeof(struct sockaddr_in); 2168 } 2169 #else 2170 size += sizeof(struct sockaddr_in); 2171 #endif 2172 break; 2173 #endif 2174 #ifdef INET6 2175 case AF_INET6: 2176 size += sizeof(struct sockaddr_in6); 2177 break; 2178 #endif 2179 default: 2180 break; 2181 } 2182 } 2183 SCTP_TCB_UNLOCK(stcb); 2184 *value = (uint32_t)size; 2185 *optsize = sizeof(uint32_t); 2186 } else { 2187 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2188 ((sctp_assoc_t)*value <= SCTP_ALL_ASSOC)) { 2189 error = EINVAL; 2190 } else { 2191 error = ENOENT; 2192 } 2193 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2194 } 2195 break; 2196 } 2197 case SCTP_GET_PEER_ADDRESSES: 2198 /* 2199 * Get the address information, an array is passed in to 2200 * fill up we pack it. 2201 */ 2202 { 2203 size_t cpsz, left; 2204 struct sockaddr *addr; 2205 struct sctp_nets *net; 2206 struct sctp_getaddresses *saddr; 2207 2208 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2209 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2210 2211 if (stcb != NULL) { 2212 left = *optsize - offsetof(struct sctp_getaddresses, addr); 2213 *optsize = offsetof(struct sctp_getaddresses, addr); 2214 addr = &saddr->addr[0].sa; 2215 2216 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2217 switch (net->ro._l_addr.sa.sa_family) { 2218 #ifdef INET 2219 case AF_INET: 2220 #ifdef INET6 2221 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2222 cpsz = sizeof(struct sockaddr_in6); 2223 } else { 2224 cpsz = sizeof(struct sockaddr_in); 2225 } 2226 #else 2227 cpsz = sizeof(struct sockaddr_in); 2228 #endif 2229 break; 2230 #endif 2231 #ifdef INET6 2232 case AF_INET6: 2233 cpsz = sizeof(struct sockaddr_in6); 2234 break; 2235 #endif 2236 default: 2237 cpsz = 0; 2238 break; 2239 } 2240 if (cpsz == 0) { 2241 break; 2242 } 2243 if (left < cpsz) { 2244 /* not enough room. */ 2245 break; 2246 } 2247 #if defined(INET) && defined(INET6) 2248 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2249 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2250 /* Must map the address */ 2251 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2252 (struct sockaddr_in6 *)addr); 2253 } else { 2254 memcpy(addr, &net->ro._l_addr, cpsz); 2255 } 2256 #else 2257 memcpy(addr, &net->ro._l_addr, cpsz); 2258 #endif 2259 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2260 2261 addr = (struct sockaddr *)((caddr_t)addr + cpsz); 2262 left -= cpsz; 2263 *optsize += cpsz; 2264 } 2265 SCTP_TCB_UNLOCK(stcb); 2266 } else { 2267 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2268 (saddr->sget_assoc_id <= SCTP_ALL_ASSOC)) { 2269 error = EINVAL; 2270 } else { 2271 error = ENOENT; 2272 } 2273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2274 } 2275 break; 2276 } 2277 case SCTP_GET_LOCAL_ADDRESSES: 2278 { 2279 size_t limit, actual; 2280 struct sctp_getaddresses *saddr; 2281 2282 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2283 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2284 2285 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2286 ((saddr->sget_assoc_id == SCTP_CURRENT_ASSOC) || 2287 (saddr->sget_assoc_id == SCTP_ALL_ASSOC))) { 2288 error = EINVAL; 2289 } else { 2290 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2291 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2292 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2293 } 2294 if (stcb != NULL) { 2295 SCTP_TCB_UNLOCK(stcb); 2296 } 2297 break; 2298 } 2299 case SCTP_PEER_ADDR_PARAMS: 2300 { 2301 struct sctp_paddrparams *paddrp; 2302 struct sctp_nets *net; 2303 struct sockaddr *addr; 2304 #if defined(INET) && defined(INET6) 2305 struct sockaddr_in sin_store; 2306 #endif 2307 2308 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2309 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2310 2311 #if defined(INET) && defined(INET6) 2312 if (paddrp->spp_address.ss_family == AF_INET6) { 2313 struct sockaddr_in6 *sin6; 2314 2315 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2316 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2317 in6_sin6_2_sin(&sin_store, sin6); 2318 addr = (struct sockaddr *)&sin_store; 2319 } else { 2320 addr = (struct sockaddr *)&paddrp->spp_address; 2321 } 2322 } else { 2323 addr = (struct sockaddr *)&paddrp->spp_address; 2324 } 2325 #else 2326 addr = (struct sockaddr *)&paddrp->spp_address; 2327 #endif 2328 if (stcb != NULL) { 2329 net = sctp_findnet(stcb, addr); 2330 } else { 2331 /* 2332 * We increment here since 2333 * sctp_findassociation_ep_addr() wil do a 2334 * decrement if it finds the stcb as long as 2335 * the locked tcb (last argument) is NOT a 2336 * TCB.. aka NULL. 2337 */ 2338 net = NULL; 2339 SCTP_INP_INCR_REF(inp); 2340 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2341 if (stcb == NULL) { 2342 SCTP_INP_DECR_REF(inp); 2343 } 2344 } 2345 if ((stcb != NULL) && (net == NULL)) { 2346 #ifdef INET 2347 if (addr->sa_family == AF_INET) { 2348 struct sockaddr_in *sin; 2349 2350 sin = (struct sockaddr_in *)addr; 2351 if (sin->sin_addr.s_addr != INADDR_ANY) { 2352 error = EINVAL; 2353 SCTP_TCB_UNLOCK(stcb); 2354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2355 break; 2356 } 2357 } else 2358 #endif 2359 #ifdef INET6 2360 if (addr->sa_family == AF_INET6) { 2361 struct sockaddr_in6 *sin6; 2362 2363 sin6 = (struct sockaddr_in6 *)addr; 2364 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2365 error = EINVAL; 2366 SCTP_TCB_UNLOCK(stcb); 2367 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2368 break; 2369 } 2370 } else 2371 #endif 2372 { 2373 error = EAFNOSUPPORT; 2374 SCTP_TCB_UNLOCK(stcb); 2375 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2376 break; 2377 } 2378 } 2379 2380 if (stcb != NULL) { 2381 /* Applies to the specific association */ 2382 paddrp->spp_flags = 0; 2383 if (net != NULL) { 2384 paddrp->spp_hbinterval = net->heart_beat_delay; 2385 paddrp->spp_pathmaxrxt = net->failure_threshold; 2386 paddrp->spp_pathmtu = net->mtu; 2387 switch (net->ro._l_addr.sa.sa_family) { 2388 #ifdef INET 2389 case AF_INET: 2390 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2391 break; 2392 #endif 2393 #ifdef INET6 2394 case AF_INET6: 2395 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2396 break; 2397 #endif 2398 default: 2399 break; 2400 } 2401 /* get flags for HB */ 2402 if (net->dest_state & SCTP_ADDR_NOHB) { 2403 paddrp->spp_flags |= SPP_HB_DISABLE; 2404 } else { 2405 paddrp->spp_flags |= SPP_HB_ENABLE; 2406 } 2407 /* get flags for PMTU */ 2408 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2409 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2410 } else { 2411 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2412 } 2413 if (net->dscp & 0x01) { 2414 paddrp->spp_dscp = net->dscp & 0xfc; 2415 paddrp->spp_flags |= SPP_DSCP; 2416 } 2417 #ifdef INET6 2418 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2419 (net->flowlabel & 0x80000000)) { 2420 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2421 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2422 } 2423 #endif 2424 } else { 2425 /* 2426 * No destination so return default 2427 * value 2428 */ 2429 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2430 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2431 if (stcb->asoc.default_dscp & 0x01) { 2432 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2433 paddrp->spp_flags |= SPP_DSCP; 2434 } 2435 #ifdef INET6 2436 if (stcb->asoc.default_flowlabel & 0x80000000) { 2437 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2438 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2439 } 2440 #endif 2441 /* default settings should be these */ 2442 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2443 paddrp->spp_flags |= SPP_HB_DISABLE; 2444 } else { 2445 paddrp->spp_flags |= SPP_HB_ENABLE; 2446 } 2447 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2448 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2449 } else { 2450 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2451 } 2452 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2453 } 2454 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2455 SCTP_TCB_UNLOCK(stcb); 2456 } else { 2457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2458 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2459 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2460 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2461 /* Use endpoint defaults */ 2462 SCTP_INP_RLOCK(inp); 2463 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2464 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2465 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2466 /* get inp's default */ 2467 if (inp->sctp_ep.default_dscp & 0x01) { 2468 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2469 paddrp->spp_flags |= SPP_DSCP; 2470 } 2471 #ifdef INET6 2472 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2473 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2474 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2475 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2476 } 2477 #endif 2478 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2479 2480 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2481 paddrp->spp_flags |= SPP_HB_ENABLE; 2482 } else { 2483 paddrp->spp_flags |= SPP_HB_DISABLE; 2484 } 2485 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2486 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2487 } else { 2488 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2489 } 2490 SCTP_INP_RUNLOCK(inp); 2491 } else { 2492 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2493 error = EINVAL; 2494 } 2495 } 2496 if (error == 0) { 2497 *optsize = sizeof(struct sctp_paddrparams); 2498 } 2499 break; 2500 } 2501 case SCTP_GET_PEER_ADDR_INFO: 2502 { 2503 struct sctp_paddrinfo *paddri; 2504 struct sctp_nets *net; 2505 struct sockaddr *addr; 2506 #if defined(INET) && defined(INET6) 2507 struct sockaddr_in sin_store; 2508 #endif 2509 2510 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2511 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2512 2513 #if defined(INET) && defined(INET6) 2514 if (paddri->spinfo_address.ss_family == AF_INET6) { 2515 struct sockaddr_in6 *sin6; 2516 2517 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2518 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2519 in6_sin6_2_sin(&sin_store, sin6); 2520 addr = (struct sockaddr *)&sin_store; 2521 } else { 2522 addr = (struct sockaddr *)&paddri->spinfo_address; 2523 } 2524 } else { 2525 addr = (struct sockaddr *)&paddri->spinfo_address; 2526 } 2527 #else 2528 addr = (struct sockaddr *)&paddri->spinfo_address; 2529 #endif 2530 if (stcb != NULL) { 2531 net = sctp_findnet(stcb, addr); 2532 } else { 2533 /* 2534 * We increment here since 2535 * sctp_findassociation_ep_addr() wil do a 2536 * decrement if it finds the stcb as long as 2537 * the locked tcb (last argument) is NOT a 2538 * TCB.. aka NULL. 2539 */ 2540 net = NULL; 2541 SCTP_INP_INCR_REF(inp); 2542 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2543 if (stcb == NULL) { 2544 SCTP_INP_DECR_REF(inp); 2545 } 2546 } 2547 2548 if ((stcb != NULL) && (net != NULL)) { 2549 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2550 /* It's unconfirmed */ 2551 paddri->spinfo_state = SCTP_UNCONFIRMED; 2552 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2553 /* It's active */ 2554 paddri->spinfo_state = SCTP_ACTIVE; 2555 } else { 2556 /* It's inactive */ 2557 paddri->spinfo_state = SCTP_INACTIVE; 2558 } 2559 paddri->spinfo_cwnd = net->cwnd; 2560 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2561 paddri->spinfo_rto = net->RTO; 2562 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2563 paddri->spinfo_mtu = net->mtu; 2564 switch (addr->sa_family) { 2565 #if defined(INET) 2566 case AF_INET: 2567 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2568 break; 2569 #endif 2570 #if defined(INET6) 2571 case AF_INET6: 2572 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2573 break; 2574 #endif 2575 default: 2576 break; 2577 } 2578 SCTP_TCB_UNLOCK(stcb); 2579 *optsize = sizeof(struct sctp_paddrinfo); 2580 } else { 2581 if (stcb != NULL) { 2582 SCTP_TCB_UNLOCK(stcb); 2583 } 2584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2585 error = ENOENT; 2586 } 2587 break; 2588 } 2589 case SCTP_PCB_STATUS: 2590 { 2591 struct sctp_pcbinfo *spcb; 2592 2593 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2594 sctp_fill_pcbinfo(spcb); 2595 *optsize = sizeof(struct sctp_pcbinfo); 2596 break; 2597 } 2598 case SCTP_STATUS: 2599 { 2600 struct sctp_nets *net; 2601 struct sctp_status *sstat; 2602 2603 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2604 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2605 2606 if (stcb == NULL) { 2607 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2608 error = EINVAL; 2609 break; 2610 } 2611 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2612 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2613 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2614 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2615 /* 2616 * We can't include chunks that have been passed to 2617 * the socket layer. Only things in queue. 2618 */ 2619 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2620 stcb->asoc.cnt_on_all_streams); 2621 sstat->sstat_instrms = stcb->asoc.streamincnt; 2622 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2623 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb); 2624 net = stcb->asoc.primary_destination; 2625 if (net != NULL) { 2626 memcpy(&sstat->sstat_primary.spinfo_address, 2627 &net->ro._l_addr, 2628 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2629 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2630 /* 2631 * Again the user can get info from 2632 * sctp_constants.h for what the state of 2633 * the network is. 2634 */ 2635 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2636 /* It's unconfirmed */ 2637 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2638 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2639 /* It's active */ 2640 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2641 } else { 2642 /* It's inactive */ 2643 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2644 } 2645 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2646 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2647 sstat->sstat_primary.spinfo_rto = net->RTO; 2648 sstat->sstat_primary.spinfo_mtu = net->mtu; 2649 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2650 #if defined(INET) 2651 case AF_INET: 2652 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2653 break; 2654 #endif 2655 #if defined(INET6) 2656 case AF_INET6: 2657 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2658 break; 2659 #endif 2660 default: 2661 break; 2662 } 2663 } else { 2664 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2665 } 2666 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2667 SCTP_TCB_UNLOCK(stcb); 2668 *optsize = sizeof(struct sctp_status); 2669 break; 2670 } 2671 case SCTP_RTOINFO: 2672 { 2673 struct sctp_rtoinfo *srto; 2674 2675 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2676 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2677 2678 if (stcb) { 2679 srto->srto_initial = stcb->asoc.initial_rto; 2680 srto->srto_max = stcb->asoc.maxrto; 2681 srto->srto_min = stcb->asoc.minrto; 2682 SCTP_TCB_UNLOCK(stcb); 2683 } else { 2684 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2685 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2686 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2687 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2688 SCTP_INP_RLOCK(inp); 2689 srto->srto_initial = inp->sctp_ep.initial_rto; 2690 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2691 srto->srto_min = inp->sctp_ep.sctp_minrto; 2692 SCTP_INP_RUNLOCK(inp); 2693 } else { 2694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2695 error = EINVAL; 2696 } 2697 } 2698 if (error == 0) { 2699 *optsize = sizeof(struct sctp_rtoinfo); 2700 } 2701 break; 2702 } 2703 case SCTP_TIMEOUTS: 2704 { 2705 struct sctp_timeouts *stimo; 2706 2707 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2708 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2709 2710 if (stcb) { 2711 stimo->stimo_init = stcb->asoc.timoinit; 2712 stimo->stimo_data = stcb->asoc.timodata; 2713 stimo->stimo_sack = stcb->asoc.timosack; 2714 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2715 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2716 stimo->stimo_cookie = stcb->asoc.timocookie; 2717 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2718 SCTP_TCB_UNLOCK(stcb); 2719 *optsize = sizeof(struct sctp_timeouts); 2720 } else { 2721 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2722 error = EINVAL; 2723 } 2724 break; 2725 } 2726 case SCTP_ASSOCINFO: 2727 { 2728 struct sctp_assocparams *sasoc; 2729 2730 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2731 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2732 2733 if (stcb) { 2734 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2735 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2736 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2737 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2738 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2739 SCTP_TCB_UNLOCK(stcb); 2740 } else { 2741 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2742 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2743 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2744 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2745 SCTP_INP_RLOCK(inp); 2746 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2747 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2748 sasoc->sasoc_number_peer_destinations = 0; 2749 sasoc->sasoc_peer_rwnd = 0; 2750 sasoc->sasoc_local_rwnd = (uint32_t)sbspace(&inp->sctp_socket->so_rcv); 2751 SCTP_INP_RUNLOCK(inp); 2752 } else { 2753 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2754 error = EINVAL; 2755 } 2756 } 2757 if (error == 0) { 2758 *optsize = sizeof(struct sctp_assocparams); 2759 } 2760 break; 2761 } 2762 case SCTP_DEFAULT_SEND_PARAM: 2763 { 2764 struct sctp_sndrcvinfo *s_info; 2765 2766 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2767 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2768 2769 if (stcb) { 2770 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2771 SCTP_TCB_UNLOCK(stcb); 2772 } else { 2773 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2774 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2775 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2776 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2777 SCTP_INP_RLOCK(inp); 2778 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2779 SCTP_INP_RUNLOCK(inp); 2780 } else { 2781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2782 error = EINVAL; 2783 } 2784 } 2785 if (error == 0) { 2786 *optsize = sizeof(struct sctp_sndrcvinfo); 2787 } 2788 break; 2789 } 2790 case SCTP_INITMSG: 2791 { 2792 struct sctp_initmsg *sinit; 2793 2794 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2795 SCTP_INP_RLOCK(inp); 2796 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2797 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2798 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2799 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2800 SCTP_INP_RUNLOCK(inp); 2801 *optsize = sizeof(struct sctp_initmsg); 2802 break; 2803 } 2804 case SCTP_PRIMARY_ADDR: 2805 /* we allow a "get" operation on this */ 2806 { 2807 struct sctp_setprim *ssp; 2808 2809 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2810 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2811 2812 if (stcb) { 2813 union sctp_sockstore *addr; 2814 2815 addr = &stcb->asoc.primary_destination->ro._l_addr; 2816 switch (addr->sa.sa_family) { 2817 #ifdef INET 2818 case AF_INET: 2819 #ifdef INET6 2820 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2821 in6_sin_2_v4mapsin6(&addr->sin, 2822 (struct sockaddr_in6 *)&ssp->ssp_addr); 2823 } else { 2824 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2825 } 2826 #else 2827 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2828 #endif 2829 break; 2830 #endif 2831 #ifdef INET6 2832 case AF_INET6: 2833 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2834 break; 2835 #endif 2836 default: 2837 break; 2838 } 2839 SCTP_TCB_UNLOCK(stcb); 2840 *optsize = sizeof(struct sctp_setprim); 2841 } else { 2842 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2843 error = EINVAL; 2844 } 2845 break; 2846 } 2847 case SCTP_HMAC_IDENT: 2848 { 2849 struct sctp_hmacalgo *shmac; 2850 sctp_hmaclist_t *hmaclist; 2851 size_t size; 2852 int i; 2853 2854 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2855 2856 SCTP_INP_RLOCK(inp); 2857 hmaclist = inp->sctp_ep.local_hmacs; 2858 if (hmaclist == NULL) { 2859 /* no HMACs to return */ 2860 *optsize = sizeof(*shmac); 2861 SCTP_INP_RUNLOCK(inp); 2862 break; 2863 } 2864 /* is there room for all of the hmac ids? */ 2865 size = sizeof(*shmac) + (hmaclist->num_algo * 2866 sizeof(shmac->shmac_idents[0])); 2867 if (*optsize < size) { 2868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2869 error = EINVAL; 2870 SCTP_INP_RUNLOCK(inp); 2871 break; 2872 } 2873 /* copy in the list */ 2874 shmac->shmac_number_of_idents = hmaclist->num_algo; 2875 for (i = 0; i < hmaclist->num_algo; i++) { 2876 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2877 } 2878 SCTP_INP_RUNLOCK(inp); 2879 *optsize = size; 2880 break; 2881 } 2882 case SCTP_AUTH_ACTIVE_KEY: 2883 { 2884 struct sctp_authkeyid *scact; 2885 2886 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2887 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2888 2889 if (stcb) { 2890 /* get the active key on the assoc */ 2891 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2892 SCTP_TCB_UNLOCK(stcb); 2893 } else { 2894 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2895 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2896 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2897 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2898 /* get the endpoint active key */ 2899 SCTP_INP_RLOCK(inp); 2900 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2901 SCTP_INP_RUNLOCK(inp); 2902 } else { 2903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2904 error = EINVAL; 2905 } 2906 } 2907 if (error == 0) { 2908 *optsize = sizeof(struct sctp_authkeyid); 2909 } 2910 break; 2911 } 2912 case SCTP_LOCAL_AUTH_CHUNKS: 2913 { 2914 struct sctp_authchunks *sac; 2915 sctp_auth_chklist_t *chklist = NULL; 2916 size_t size = 0; 2917 2918 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2919 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2920 2921 if (stcb) { 2922 /* get off the assoc */ 2923 chklist = stcb->asoc.local_auth_chunks; 2924 /* is there enough space? */ 2925 size = sctp_auth_get_chklist_size(chklist); 2926 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2927 error = EINVAL; 2928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2929 } else { 2930 /* copy in the chunks */ 2931 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2932 sac->gauth_number_of_chunks = (uint32_t)size; 2933 *optsize = sizeof(struct sctp_authchunks) + size; 2934 } 2935 SCTP_TCB_UNLOCK(stcb); 2936 } else { 2937 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2938 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2939 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2940 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2941 /* get off the endpoint */ 2942 SCTP_INP_RLOCK(inp); 2943 chklist = inp->sctp_ep.local_auth_chunks; 2944 /* is there enough space? */ 2945 size = sctp_auth_get_chklist_size(chklist); 2946 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2947 error = EINVAL; 2948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2949 } else { 2950 /* copy in the chunks */ 2951 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2952 sac->gauth_number_of_chunks = (uint32_t)size; 2953 *optsize = sizeof(struct sctp_authchunks) + size; 2954 } 2955 SCTP_INP_RUNLOCK(inp); 2956 } else { 2957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2958 error = EINVAL; 2959 } 2960 } 2961 break; 2962 } 2963 case SCTP_PEER_AUTH_CHUNKS: 2964 { 2965 struct sctp_authchunks *sac; 2966 sctp_auth_chklist_t *chklist = NULL; 2967 size_t size = 0; 2968 2969 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2970 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2971 2972 if (stcb) { 2973 /* get off the assoc */ 2974 chklist = stcb->asoc.peer_auth_chunks; 2975 /* is there enough space? */ 2976 size = sctp_auth_get_chklist_size(chklist); 2977 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2978 error = EINVAL; 2979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2980 } else { 2981 /* copy in the chunks */ 2982 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2983 sac->gauth_number_of_chunks = (uint32_t)size; 2984 *optsize = sizeof(struct sctp_authchunks) + size; 2985 } 2986 SCTP_TCB_UNLOCK(stcb); 2987 } else { 2988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2989 error = ENOENT; 2990 } 2991 break; 2992 } 2993 case SCTP_EVENT: 2994 { 2995 struct sctp_event *event; 2996 uint32_t event_type; 2997 2998 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2999 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3000 3001 switch (event->se_type) { 3002 case SCTP_ASSOC_CHANGE: 3003 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3004 break; 3005 case SCTP_PEER_ADDR_CHANGE: 3006 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3007 break; 3008 case SCTP_REMOTE_ERROR: 3009 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3010 break; 3011 case SCTP_SEND_FAILED: 3012 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3013 break; 3014 case SCTP_SHUTDOWN_EVENT: 3015 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3016 break; 3017 case SCTP_ADAPTATION_INDICATION: 3018 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3019 break; 3020 case SCTP_PARTIAL_DELIVERY_EVENT: 3021 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3022 break; 3023 case SCTP_AUTHENTICATION_EVENT: 3024 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3025 break; 3026 case SCTP_STREAM_RESET_EVENT: 3027 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3028 break; 3029 case SCTP_SENDER_DRY_EVENT: 3030 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3031 break; 3032 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3033 event_type = 0; 3034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3035 error = ENOTSUP; 3036 break; 3037 case SCTP_ASSOC_RESET_EVENT: 3038 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3039 break; 3040 case SCTP_STREAM_CHANGE_EVENT: 3041 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3042 break; 3043 case SCTP_SEND_FAILED_EVENT: 3044 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3045 break; 3046 default: 3047 event_type = 0; 3048 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3049 error = EINVAL; 3050 break; 3051 } 3052 if (event_type > 0) { 3053 if (stcb) { 3054 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3055 } else { 3056 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3057 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3058 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3059 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3060 SCTP_INP_RLOCK(inp); 3061 event->se_on = sctp_is_feature_on(inp, event_type); 3062 SCTP_INP_RUNLOCK(inp); 3063 } else { 3064 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3065 error = EINVAL; 3066 } 3067 } 3068 } 3069 if (stcb != NULL) { 3070 SCTP_TCB_UNLOCK(stcb); 3071 } 3072 if (error == 0) { 3073 *optsize = sizeof(struct sctp_event); 3074 } 3075 break; 3076 } 3077 case SCTP_RECVRCVINFO: 3078 if (*optsize < sizeof(int)) { 3079 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3080 error = EINVAL; 3081 } else { 3082 SCTP_INP_RLOCK(inp); 3083 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3084 SCTP_INP_RUNLOCK(inp); 3085 *optsize = sizeof(int); 3086 } 3087 break; 3088 case SCTP_RECVNXTINFO: 3089 if (*optsize < sizeof(int)) { 3090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3091 error = EINVAL; 3092 } else { 3093 SCTP_INP_RLOCK(inp); 3094 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3095 SCTP_INP_RUNLOCK(inp); 3096 *optsize = sizeof(int); 3097 } 3098 break; 3099 case SCTP_DEFAULT_SNDINFO: 3100 { 3101 struct sctp_sndinfo *info; 3102 3103 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3104 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3105 3106 if (stcb) { 3107 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3108 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3109 info->snd_flags &= 0xfff0; 3110 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3111 info->snd_context = stcb->asoc.def_send.sinfo_context; 3112 SCTP_TCB_UNLOCK(stcb); 3113 } else { 3114 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3115 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3116 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3117 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3118 SCTP_INP_RLOCK(inp); 3119 info->snd_sid = inp->def_send.sinfo_stream; 3120 info->snd_flags = inp->def_send.sinfo_flags; 3121 info->snd_flags &= 0xfff0; 3122 info->snd_ppid = inp->def_send.sinfo_ppid; 3123 info->snd_context = inp->def_send.sinfo_context; 3124 SCTP_INP_RUNLOCK(inp); 3125 } else { 3126 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3127 error = EINVAL; 3128 } 3129 } 3130 if (error == 0) { 3131 *optsize = sizeof(struct sctp_sndinfo); 3132 } 3133 break; 3134 } 3135 case SCTP_DEFAULT_PRINFO: 3136 { 3137 struct sctp_default_prinfo *info; 3138 3139 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3140 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3141 3142 if (stcb) { 3143 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3144 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3145 SCTP_TCB_UNLOCK(stcb); 3146 } else { 3147 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3148 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3149 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3150 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3151 SCTP_INP_RLOCK(inp); 3152 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3153 info->pr_value = inp->def_send.sinfo_timetolive; 3154 SCTP_INP_RUNLOCK(inp); 3155 } else { 3156 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3157 error = EINVAL; 3158 } 3159 } 3160 if (error == 0) { 3161 *optsize = sizeof(struct sctp_default_prinfo); 3162 } 3163 break; 3164 } 3165 case SCTP_PEER_ADDR_THLDS: 3166 { 3167 struct sctp_paddrthlds *thlds; 3168 struct sctp_nets *net; 3169 struct sockaddr *addr; 3170 #if defined(INET) && defined(INET6) 3171 struct sockaddr_in sin_store; 3172 #endif 3173 3174 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3175 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3176 3177 #if defined(INET) && defined(INET6) 3178 if (thlds->spt_address.ss_family == AF_INET6) { 3179 struct sockaddr_in6 *sin6; 3180 3181 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3182 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3183 in6_sin6_2_sin(&sin_store, sin6); 3184 addr = (struct sockaddr *)&sin_store; 3185 } else { 3186 addr = (struct sockaddr *)&thlds->spt_address; 3187 } 3188 } else { 3189 addr = (struct sockaddr *)&thlds->spt_address; 3190 } 3191 #else 3192 addr = (struct sockaddr *)&thlds->spt_address; 3193 #endif 3194 if (stcb != NULL) { 3195 net = sctp_findnet(stcb, addr); 3196 } else { 3197 /* 3198 * We increment here since 3199 * sctp_findassociation_ep_addr() wil do a 3200 * decrement if it finds the stcb as long as 3201 * the locked tcb (last argument) is NOT a 3202 * TCB.. aka NULL. 3203 */ 3204 net = NULL; 3205 SCTP_INP_INCR_REF(inp); 3206 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3207 if (stcb == NULL) { 3208 SCTP_INP_DECR_REF(inp); 3209 } 3210 } 3211 if ((stcb != NULL) && (net == NULL)) { 3212 #ifdef INET 3213 if (addr->sa_family == AF_INET) { 3214 struct sockaddr_in *sin; 3215 3216 sin = (struct sockaddr_in *)addr; 3217 if (sin->sin_addr.s_addr != INADDR_ANY) { 3218 error = EINVAL; 3219 SCTP_TCB_UNLOCK(stcb); 3220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3221 break; 3222 } 3223 } else 3224 #endif 3225 #ifdef INET6 3226 if (addr->sa_family == AF_INET6) { 3227 struct sockaddr_in6 *sin6; 3228 3229 sin6 = (struct sockaddr_in6 *)addr; 3230 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3231 error = EINVAL; 3232 SCTP_TCB_UNLOCK(stcb); 3233 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3234 break; 3235 } 3236 } else 3237 #endif 3238 { 3239 error = EAFNOSUPPORT; 3240 SCTP_TCB_UNLOCK(stcb); 3241 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3242 break; 3243 } 3244 } 3245 3246 if (stcb != NULL) { 3247 if (net != NULL) { 3248 thlds->spt_pathmaxrxt = net->failure_threshold; 3249 thlds->spt_pathpfthld = net->pf_threshold; 3250 thlds->spt_pathcpthld = 0xffff; 3251 } else { 3252 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3253 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3254 thlds->spt_pathcpthld = 0xffff; 3255 } 3256 thlds->spt_assoc_id = sctp_get_associd(stcb); 3257 SCTP_TCB_UNLOCK(stcb); 3258 } else { 3259 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3260 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3261 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3262 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3263 /* Use endpoint defaults */ 3264 SCTP_INP_RLOCK(inp); 3265 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3266 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3267 thlds->spt_pathcpthld = 0xffff; 3268 SCTP_INP_RUNLOCK(inp); 3269 } else { 3270 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3271 error = EINVAL; 3272 } 3273 } 3274 if (error == 0) { 3275 *optsize = sizeof(struct sctp_paddrthlds); 3276 } 3277 break; 3278 } 3279 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3280 { 3281 struct sctp_udpencaps *encaps; 3282 struct sctp_nets *net; 3283 struct sockaddr *addr; 3284 #if defined(INET) && defined(INET6) 3285 struct sockaddr_in sin_store; 3286 #endif 3287 3288 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3289 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3290 3291 #if defined(INET) && defined(INET6) 3292 if (encaps->sue_address.ss_family == AF_INET6) { 3293 struct sockaddr_in6 *sin6; 3294 3295 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3296 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3297 in6_sin6_2_sin(&sin_store, sin6); 3298 addr = (struct sockaddr *)&sin_store; 3299 } else { 3300 addr = (struct sockaddr *)&encaps->sue_address; 3301 } 3302 } else { 3303 addr = (struct sockaddr *)&encaps->sue_address; 3304 } 3305 #else 3306 addr = (struct sockaddr *)&encaps->sue_address; 3307 #endif 3308 if (stcb) { 3309 net = sctp_findnet(stcb, addr); 3310 } else { 3311 /* 3312 * We increment here since 3313 * sctp_findassociation_ep_addr() wil do a 3314 * decrement if it finds the stcb as long as 3315 * the locked tcb (last argument) is NOT a 3316 * TCB.. aka NULL. 3317 */ 3318 net = NULL; 3319 SCTP_INP_INCR_REF(inp); 3320 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3321 if (stcb == NULL) { 3322 SCTP_INP_DECR_REF(inp); 3323 } 3324 } 3325 if ((stcb != NULL) && (net == NULL)) { 3326 #ifdef INET 3327 if (addr->sa_family == AF_INET) { 3328 struct sockaddr_in *sin; 3329 3330 sin = (struct sockaddr_in *)addr; 3331 if (sin->sin_addr.s_addr != INADDR_ANY) { 3332 error = EINVAL; 3333 SCTP_TCB_UNLOCK(stcb); 3334 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3335 break; 3336 } 3337 } else 3338 #endif 3339 #ifdef INET6 3340 if (addr->sa_family == AF_INET6) { 3341 struct sockaddr_in6 *sin6; 3342 3343 sin6 = (struct sockaddr_in6 *)addr; 3344 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3345 error = EINVAL; 3346 SCTP_TCB_UNLOCK(stcb); 3347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3348 break; 3349 } 3350 } else 3351 #endif 3352 { 3353 error = EAFNOSUPPORT; 3354 SCTP_TCB_UNLOCK(stcb); 3355 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3356 break; 3357 } 3358 } 3359 3360 if (stcb != NULL) { 3361 if (net) { 3362 encaps->sue_port = net->port; 3363 } else { 3364 encaps->sue_port = stcb->asoc.port; 3365 } 3366 SCTP_TCB_UNLOCK(stcb); 3367 } else { 3368 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3369 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3370 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3371 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3372 SCTP_INP_RLOCK(inp); 3373 encaps->sue_port = inp->sctp_ep.port; 3374 SCTP_INP_RUNLOCK(inp); 3375 } else { 3376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3377 error = EINVAL; 3378 } 3379 } 3380 if (error == 0) { 3381 *optsize = sizeof(struct sctp_udpencaps); 3382 } 3383 break; 3384 } 3385 case SCTP_ECN_SUPPORTED: 3386 { 3387 struct sctp_assoc_value *av; 3388 3389 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3390 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3391 3392 if (stcb) { 3393 av->assoc_value = stcb->asoc.ecn_supported; 3394 SCTP_TCB_UNLOCK(stcb); 3395 } else { 3396 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3397 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3398 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3399 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3400 SCTP_INP_RLOCK(inp); 3401 av->assoc_value = inp->ecn_supported; 3402 SCTP_INP_RUNLOCK(inp); 3403 } else { 3404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3405 error = EINVAL; 3406 } 3407 } 3408 if (error == 0) { 3409 *optsize = sizeof(struct sctp_assoc_value); 3410 } 3411 break; 3412 } 3413 case SCTP_PR_SUPPORTED: 3414 { 3415 struct sctp_assoc_value *av; 3416 3417 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3418 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3419 3420 if (stcb) { 3421 av->assoc_value = stcb->asoc.prsctp_supported; 3422 SCTP_TCB_UNLOCK(stcb); 3423 } else { 3424 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3425 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3426 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3427 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3428 SCTP_INP_RLOCK(inp); 3429 av->assoc_value = inp->prsctp_supported; 3430 SCTP_INP_RUNLOCK(inp); 3431 } else { 3432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3433 error = EINVAL; 3434 } 3435 } 3436 if (error == 0) { 3437 *optsize = sizeof(struct sctp_assoc_value); 3438 } 3439 break; 3440 } 3441 case SCTP_AUTH_SUPPORTED: 3442 { 3443 struct sctp_assoc_value *av; 3444 3445 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3446 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3447 3448 if (stcb) { 3449 av->assoc_value = stcb->asoc.auth_supported; 3450 SCTP_TCB_UNLOCK(stcb); 3451 } else { 3452 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3453 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3454 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3455 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3456 SCTP_INP_RLOCK(inp); 3457 av->assoc_value = inp->auth_supported; 3458 SCTP_INP_RUNLOCK(inp); 3459 } else { 3460 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3461 error = EINVAL; 3462 } 3463 } 3464 if (error == 0) { 3465 *optsize = sizeof(struct sctp_assoc_value); 3466 } 3467 break; 3468 } 3469 case SCTP_ASCONF_SUPPORTED: 3470 { 3471 struct sctp_assoc_value *av; 3472 3473 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3474 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3475 3476 if (stcb) { 3477 av->assoc_value = stcb->asoc.asconf_supported; 3478 SCTP_TCB_UNLOCK(stcb); 3479 } else { 3480 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3481 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3482 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3483 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3484 SCTP_INP_RLOCK(inp); 3485 av->assoc_value = inp->asconf_supported; 3486 SCTP_INP_RUNLOCK(inp); 3487 } else { 3488 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3489 error = EINVAL; 3490 } 3491 } 3492 if (error == 0) { 3493 *optsize = sizeof(struct sctp_assoc_value); 3494 } 3495 break; 3496 } 3497 case SCTP_RECONFIG_SUPPORTED: 3498 { 3499 struct sctp_assoc_value *av; 3500 3501 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3502 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3503 3504 if (stcb) { 3505 av->assoc_value = stcb->asoc.reconfig_supported; 3506 SCTP_TCB_UNLOCK(stcb); 3507 } else { 3508 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3509 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3510 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3511 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3512 SCTP_INP_RLOCK(inp); 3513 av->assoc_value = inp->reconfig_supported; 3514 SCTP_INP_RUNLOCK(inp); 3515 } else { 3516 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3517 error = EINVAL; 3518 } 3519 } 3520 if (error == 0) { 3521 *optsize = sizeof(struct sctp_assoc_value); 3522 } 3523 break; 3524 } 3525 case SCTP_NRSACK_SUPPORTED: 3526 { 3527 struct sctp_assoc_value *av; 3528 3529 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3530 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3531 3532 if (stcb) { 3533 av->assoc_value = stcb->asoc.nrsack_supported; 3534 SCTP_TCB_UNLOCK(stcb); 3535 } else { 3536 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3537 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3538 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3539 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3540 SCTP_INP_RLOCK(inp); 3541 av->assoc_value = inp->nrsack_supported; 3542 SCTP_INP_RUNLOCK(inp); 3543 } else { 3544 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3545 error = EINVAL; 3546 } 3547 } 3548 if (error == 0) { 3549 *optsize = sizeof(struct sctp_assoc_value); 3550 } 3551 break; 3552 } 3553 case SCTP_PKTDROP_SUPPORTED: 3554 { 3555 struct sctp_assoc_value *av; 3556 3557 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3558 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3559 3560 if (stcb) { 3561 av->assoc_value = stcb->asoc.pktdrop_supported; 3562 SCTP_TCB_UNLOCK(stcb); 3563 } else { 3564 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3565 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3566 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3567 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3568 SCTP_INP_RLOCK(inp); 3569 av->assoc_value = inp->pktdrop_supported; 3570 SCTP_INP_RUNLOCK(inp); 3571 } else { 3572 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3573 error = EINVAL; 3574 } 3575 } 3576 if (error == 0) { 3577 *optsize = sizeof(struct sctp_assoc_value); 3578 } 3579 break; 3580 } 3581 case SCTP_ENABLE_STREAM_RESET: 3582 { 3583 struct sctp_assoc_value *av; 3584 3585 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3586 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3587 3588 if (stcb) { 3589 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3590 SCTP_TCB_UNLOCK(stcb); 3591 } else { 3592 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3593 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3594 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3595 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3596 SCTP_INP_RLOCK(inp); 3597 av->assoc_value = (uint32_t)inp->local_strreset_support; 3598 SCTP_INP_RUNLOCK(inp); 3599 } else { 3600 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3601 error = EINVAL; 3602 } 3603 } 3604 if (error == 0) { 3605 *optsize = sizeof(struct sctp_assoc_value); 3606 } 3607 break; 3608 } 3609 case SCTP_PR_STREAM_STATUS: 3610 { 3611 struct sctp_prstatus *sprstat; 3612 uint16_t sid; 3613 uint16_t policy; 3614 3615 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3616 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3617 3618 sid = sprstat->sprstat_sid; 3619 policy = sprstat->sprstat_policy; 3620 #if defined(SCTP_DETAILED_STR_STATS) 3621 if ((stcb != NULL) && 3622 (sid < stcb->asoc.streamoutcnt) && 3623 (policy != SCTP_PR_SCTP_NONE) && 3624 ((policy <= SCTP_PR_SCTP_MAX) || 3625 (policy == SCTP_PR_SCTP_ALL))) { 3626 if (policy == SCTP_PR_SCTP_ALL) { 3627 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3628 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3629 } else { 3630 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3631 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3632 } 3633 #else 3634 if ((stcb != NULL) && 3635 (sid < stcb->asoc.streamoutcnt) && 3636 (policy == SCTP_PR_SCTP_ALL)) { 3637 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3638 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3639 #endif 3640 } else { 3641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3642 error = EINVAL; 3643 } 3644 if (stcb != NULL) { 3645 SCTP_TCB_UNLOCK(stcb); 3646 } 3647 if (error == 0) { 3648 *optsize = sizeof(struct sctp_prstatus); 3649 } 3650 break; 3651 } 3652 case SCTP_PR_ASSOC_STATUS: 3653 { 3654 struct sctp_prstatus *sprstat; 3655 uint16_t policy; 3656 3657 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3658 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3659 3660 policy = sprstat->sprstat_policy; 3661 if ((stcb != NULL) && 3662 (policy != SCTP_PR_SCTP_NONE) && 3663 ((policy <= SCTP_PR_SCTP_MAX) || 3664 (policy == SCTP_PR_SCTP_ALL))) { 3665 if (policy == SCTP_PR_SCTP_ALL) { 3666 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3667 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3668 } else { 3669 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3670 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3671 } 3672 } else { 3673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3674 error = EINVAL; 3675 } 3676 if (stcb != NULL) { 3677 SCTP_TCB_UNLOCK(stcb); 3678 } 3679 if (error == 0) { 3680 *optsize = sizeof(struct sctp_prstatus); 3681 } 3682 break; 3683 } 3684 case SCTP_MAX_CWND: 3685 { 3686 struct sctp_assoc_value *av; 3687 3688 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3689 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3690 3691 if (stcb) { 3692 av->assoc_value = stcb->asoc.max_cwnd; 3693 SCTP_TCB_UNLOCK(stcb); 3694 } else { 3695 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3696 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3697 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3698 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3699 SCTP_INP_RLOCK(inp); 3700 av->assoc_value = inp->max_cwnd; 3701 SCTP_INP_RUNLOCK(inp); 3702 } else { 3703 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3704 error = EINVAL; 3705 } 3706 } 3707 if (error == 0) { 3708 *optsize = sizeof(struct sctp_assoc_value); 3709 } 3710 break; 3711 } 3712 default: 3713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3714 error = ENOPROTOOPT; 3715 break; 3716 } /* end switch (sopt->sopt_name) */ 3717 if (error) { 3718 *optsize = 0; 3719 } 3720 return (error); 3721 } 3722 3723 static int 3724 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3725 void *p) 3726 { 3727 int error, set_opt; 3728 uint32_t *mopt; 3729 struct sctp_tcb *stcb = NULL; 3730 struct sctp_inpcb *inp = NULL; 3731 uint32_t vrf_id; 3732 3733 if (optval == NULL) { 3734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3735 return (EINVAL); 3736 } 3737 inp = (struct sctp_inpcb *)so->so_pcb; 3738 if (inp == NULL) { 3739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3740 return (EINVAL); 3741 } 3742 vrf_id = inp->def_vrf_id; 3743 3744 error = 0; 3745 switch (optname) { 3746 case SCTP_NODELAY: 3747 case SCTP_AUTOCLOSE: 3748 case SCTP_AUTO_ASCONF: 3749 case SCTP_EXPLICIT_EOR: 3750 case SCTP_DISABLE_FRAGMENTS: 3751 case SCTP_USE_EXT_RCVINFO: 3752 case SCTP_I_WANT_MAPPED_V4_ADDR: 3753 /* copy in the option value */ 3754 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3755 set_opt = 0; 3756 if (error) 3757 break; 3758 switch (optname) { 3759 case SCTP_DISABLE_FRAGMENTS: 3760 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3761 break; 3762 case SCTP_AUTO_ASCONF: 3763 /* 3764 * NOTE: we don't really support this flag 3765 */ 3766 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3767 /* only valid for bound all sockets */ 3768 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3769 (*mopt != 0)) { 3770 /* forbidden by admin */ 3771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3772 return (EPERM); 3773 } 3774 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3775 } else { 3776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3777 return (EINVAL); 3778 } 3779 break; 3780 case SCTP_EXPLICIT_EOR: 3781 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3782 break; 3783 case SCTP_USE_EXT_RCVINFO: 3784 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3785 break; 3786 case SCTP_I_WANT_MAPPED_V4_ADDR: 3787 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3788 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3789 } else { 3790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3791 return (EINVAL); 3792 } 3793 break; 3794 case SCTP_NODELAY: 3795 set_opt = SCTP_PCB_FLAGS_NODELAY; 3796 break; 3797 case SCTP_AUTOCLOSE: 3798 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3799 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3801 return (EINVAL); 3802 } 3803 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3804 /* 3805 * The value is in ticks. Note this does not effect 3806 * old associations, only new ones. 3807 */ 3808 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3809 break; 3810 } 3811 SCTP_INP_WLOCK(inp); 3812 if (*mopt != 0) { 3813 sctp_feature_on(inp, set_opt); 3814 } else { 3815 sctp_feature_off(inp, set_opt); 3816 } 3817 SCTP_INP_WUNLOCK(inp); 3818 break; 3819 case SCTP_REUSE_PORT: 3820 { 3821 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3822 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3823 /* Can't set it after we are bound */ 3824 error = EINVAL; 3825 break; 3826 } 3827 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3828 /* Can't do this for a 1-m socket */ 3829 error = EINVAL; 3830 break; 3831 } 3832 if (optval) 3833 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3834 else 3835 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3836 break; 3837 } 3838 case SCTP_PARTIAL_DELIVERY_POINT: 3839 { 3840 uint32_t *value; 3841 3842 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3843 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3844 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3845 error = EINVAL; 3846 break; 3847 } 3848 inp->partial_delivery_point = *value; 3849 break; 3850 } 3851 case SCTP_FRAGMENT_INTERLEAVE: 3852 /* not yet until we re-write sctp_recvmsg() */ 3853 { 3854 uint32_t *level; 3855 3856 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3857 if (*level == SCTP_FRAG_LEVEL_2) { 3858 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3859 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3860 } else if (*level == SCTP_FRAG_LEVEL_1) { 3861 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3862 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3863 } else if (*level == SCTP_FRAG_LEVEL_0) { 3864 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3865 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3866 3867 } else { 3868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3869 error = EINVAL; 3870 } 3871 break; 3872 } 3873 case SCTP_INTERLEAVING_SUPPORTED: 3874 { 3875 struct sctp_assoc_value *av; 3876 3877 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3878 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3879 3880 if (stcb) { 3881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3882 error = EINVAL; 3883 SCTP_TCB_UNLOCK(stcb); 3884 } else { 3885 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3886 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3887 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3888 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3889 SCTP_INP_WLOCK(inp); 3890 if (av->assoc_value == 0) { 3891 inp->idata_supported = 0; 3892 } else { 3893 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3894 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3895 inp->idata_supported = 1; 3896 } else { 3897 /* 3898 * Must have Frag 3899 * interleave and 3900 * stream interleave 3901 * on 3902 */ 3903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3904 error = EINVAL; 3905 } 3906 } 3907 SCTP_INP_WUNLOCK(inp); 3908 } else { 3909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3910 error = EINVAL; 3911 } 3912 } 3913 break; 3914 } 3915 case SCTP_CMT_ON_OFF: 3916 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3917 struct sctp_assoc_value *av; 3918 3919 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3920 if (av->assoc_value > SCTP_CMT_MAX) { 3921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3922 error = EINVAL; 3923 break; 3924 } 3925 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3926 if (stcb) { 3927 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3928 SCTP_TCB_UNLOCK(stcb); 3929 } else { 3930 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3931 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3932 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3933 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3934 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3935 SCTP_INP_WLOCK(inp); 3936 inp->sctp_cmt_on_off = av->assoc_value; 3937 SCTP_INP_WUNLOCK(inp); 3938 } 3939 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3940 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3941 (av->assoc_id == SCTP_ALL_ASSOC))) { 3942 SCTP_INP_RLOCK(inp); 3943 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3944 SCTP_TCB_LOCK(stcb); 3945 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3946 SCTP_TCB_UNLOCK(stcb); 3947 } 3948 SCTP_INP_RUNLOCK(inp); 3949 } 3950 } 3951 } else { 3952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3953 error = ENOPROTOOPT; 3954 } 3955 break; 3956 case SCTP_PLUGGABLE_CC: 3957 { 3958 struct sctp_assoc_value *av; 3959 struct sctp_nets *net; 3960 3961 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3962 if ((av->assoc_value != SCTP_CC_RFC2581) && 3963 (av->assoc_value != SCTP_CC_HSTCP) && 3964 (av->assoc_value != SCTP_CC_HTCP) && 3965 (av->assoc_value != SCTP_CC_RTCC)) { 3966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3967 error = EINVAL; 3968 break; 3969 } 3970 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3971 if (stcb) { 3972 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3973 stcb->asoc.congestion_control_module = av->assoc_value; 3974 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3975 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3976 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3977 } 3978 } 3979 SCTP_TCB_UNLOCK(stcb); 3980 } else { 3981 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3982 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3983 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3984 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3985 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3986 SCTP_INP_WLOCK(inp); 3987 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3988 SCTP_INP_WUNLOCK(inp); 3989 } 3990 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3991 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3992 (av->assoc_id == SCTP_ALL_ASSOC))) { 3993 SCTP_INP_RLOCK(inp); 3994 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3995 SCTP_TCB_LOCK(stcb); 3996 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3997 stcb->asoc.congestion_control_module = av->assoc_value; 3998 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3999 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4000 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4001 } 4002 } 4003 SCTP_TCB_UNLOCK(stcb); 4004 } 4005 SCTP_INP_RUNLOCK(inp); 4006 } 4007 } 4008 break; 4009 } 4010 case SCTP_CC_OPTION: 4011 { 4012 struct sctp_cc_option *cc_opt; 4013 4014 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4015 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4016 if (stcb == NULL) { 4017 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4018 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4019 SCTP_INP_RLOCK(inp); 4020 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4021 SCTP_TCB_LOCK(stcb); 4022 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4023 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4024 } 4025 SCTP_TCB_UNLOCK(stcb); 4026 } 4027 SCTP_INP_RUNLOCK(inp); 4028 } else { 4029 error = EINVAL; 4030 } 4031 } else { 4032 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4033 error = ENOTSUP; 4034 } else { 4035 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4036 cc_opt); 4037 } 4038 SCTP_TCB_UNLOCK(stcb); 4039 } 4040 break; 4041 } 4042 case SCTP_STREAM_SCHEDULER: 4043 { 4044 struct sctp_assoc_value *av; 4045 4046 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4047 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4048 (av->assoc_value != SCTP_SS_RR) && 4049 (av->assoc_value != SCTP_SS_RR_PKT) && 4050 (av->assoc_value != SCTP_SS_PRIO) && 4051 (av->assoc_value != SCTP_SS_FB) && 4052 (av->assoc_value != SCTP_SS_FCFS)) { 4053 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4054 error = EINVAL; 4055 break; 4056 } 4057 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4058 if (stcb) { 4059 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4060 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4061 stcb->asoc.stream_scheduling_module = av->assoc_value; 4062 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4063 SCTP_TCB_UNLOCK(stcb); 4064 } else { 4065 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4066 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4067 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4068 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4069 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4070 SCTP_INP_WLOCK(inp); 4071 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4072 SCTP_INP_WUNLOCK(inp); 4073 } 4074 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4075 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4076 (av->assoc_id == SCTP_ALL_ASSOC))) { 4077 SCTP_INP_RLOCK(inp); 4078 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4079 SCTP_TCB_LOCK(stcb); 4080 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4081 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4082 stcb->asoc.stream_scheduling_module = av->assoc_value; 4083 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4084 SCTP_TCB_UNLOCK(stcb); 4085 } 4086 SCTP_INP_RUNLOCK(inp); 4087 } 4088 } 4089 break; 4090 } 4091 case SCTP_STREAM_SCHEDULER_VALUE: 4092 { 4093 struct sctp_stream_value *av; 4094 4095 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4096 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4097 if (stcb) { 4098 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4099 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4100 av->stream_value) < 0)) { 4101 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4102 error = EINVAL; 4103 } 4104 SCTP_TCB_UNLOCK(stcb); 4105 } else { 4106 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4107 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4108 SCTP_INP_RLOCK(inp); 4109 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4110 SCTP_TCB_LOCK(stcb); 4111 if (av->stream_id < stcb->asoc.streamoutcnt) { 4112 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4113 &stcb->asoc, 4114 &stcb->asoc.strmout[av->stream_id], 4115 av->stream_value); 4116 } 4117 SCTP_TCB_UNLOCK(stcb); 4118 } 4119 SCTP_INP_RUNLOCK(inp); 4120 } else { 4121 /* 4122 * Can't set stream value without 4123 * association 4124 */ 4125 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4126 error = EINVAL; 4127 } 4128 } 4129 break; 4130 } 4131 case SCTP_CLR_STAT_LOG: 4132 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4133 error = EOPNOTSUPP; 4134 break; 4135 case SCTP_CONTEXT: 4136 { 4137 struct sctp_assoc_value *av; 4138 4139 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4140 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4141 4142 if (stcb) { 4143 stcb->asoc.context = av->assoc_value; 4144 SCTP_TCB_UNLOCK(stcb); 4145 } else { 4146 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4147 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4148 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4149 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4150 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4151 SCTP_INP_WLOCK(inp); 4152 inp->sctp_context = av->assoc_value; 4153 SCTP_INP_WUNLOCK(inp); 4154 } 4155 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4156 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4157 (av->assoc_id == SCTP_ALL_ASSOC))) { 4158 SCTP_INP_RLOCK(inp); 4159 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4160 SCTP_TCB_LOCK(stcb); 4161 stcb->asoc.context = av->assoc_value; 4162 SCTP_TCB_UNLOCK(stcb); 4163 } 4164 SCTP_INP_RUNLOCK(inp); 4165 } 4166 } 4167 break; 4168 } 4169 case SCTP_VRF_ID: 4170 { 4171 uint32_t *default_vrfid; 4172 4173 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4174 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4175 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4176 error = EINVAL; 4177 break; 4178 } 4179 inp->def_vrf_id = *default_vrfid; 4180 break; 4181 } 4182 case SCTP_DEL_VRF_ID: 4183 { 4184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4185 error = EOPNOTSUPP; 4186 break; 4187 } 4188 case SCTP_ADD_VRF_ID: 4189 { 4190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4191 error = EOPNOTSUPP; 4192 break; 4193 } 4194 case SCTP_DELAYED_SACK: 4195 { 4196 struct sctp_sack_info *sack; 4197 4198 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4199 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4200 if (sack->sack_delay) { 4201 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4202 error = EINVAL; 4203 if (stcb != NULL) { 4204 SCTP_TCB_UNLOCK(stcb); 4205 } 4206 break; 4207 } 4208 } 4209 if (stcb) { 4210 if (sack->sack_delay) { 4211 stcb->asoc.delayed_ack = sack->sack_delay; 4212 } 4213 if (sack->sack_freq) { 4214 stcb->asoc.sack_freq = sack->sack_freq; 4215 } 4216 SCTP_TCB_UNLOCK(stcb); 4217 } else { 4218 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4219 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4220 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4221 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4222 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4223 SCTP_INP_WLOCK(inp); 4224 if (sack->sack_delay) { 4225 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4226 } 4227 if (sack->sack_freq) { 4228 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4229 } 4230 SCTP_INP_WUNLOCK(inp); 4231 } 4232 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4233 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4234 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4235 SCTP_INP_RLOCK(inp); 4236 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4237 SCTP_TCB_LOCK(stcb); 4238 if (sack->sack_delay) { 4239 stcb->asoc.delayed_ack = sack->sack_delay; 4240 } 4241 if (sack->sack_freq) { 4242 stcb->asoc.sack_freq = sack->sack_freq; 4243 } 4244 SCTP_TCB_UNLOCK(stcb); 4245 } 4246 SCTP_INP_RUNLOCK(inp); 4247 } 4248 } 4249 break; 4250 } 4251 case SCTP_AUTH_CHUNK: 4252 { 4253 struct sctp_authchunk *sauth; 4254 4255 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4256 4257 SCTP_INP_WLOCK(inp); 4258 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4260 error = EINVAL; 4261 } else { 4262 inp->auth_supported = 1; 4263 } 4264 SCTP_INP_WUNLOCK(inp); 4265 break; 4266 } 4267 case SCTP_AUTH_KEY: 4268 { 4269 struct sctp_authkey *sca; 4270 struct sctp_keyhead *shared_keys; 4271 sctp_sharedkey_t *shared_key; 4272 sctp_key_t *key = NULL; 4273 size_t size; 4274 4275 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4276 if (sca->sca_keylength == 0) { 4277 size = optsize - sizeof(struct sctp_authkey); 4278 } else { 4279 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4280 size = sca->sca_keylength; 4281 } else { 4282 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4283 error = EINVAL; 4284 break; 4285 } 4286 } 4287 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4288 4289 if (stcb) { 4290 shared_keys = &stcb->asoc.shared_keys; 4291 /* clear the cached keys for this key id */ 4292 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4293 /* 4294 * create the new shared key and 4295 * insert/replace it 4296 */ 4297 if (size > 0) { 4298 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4299 if (key == NULL) { 4300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4301 error = ENOMEM; 4302 SCTP_TCB_UNLOCK(stcb); 4303 break; 4304 } 4305 } 4306 shared_key = sctp_alloc_sharedkey(); 4307 if (shared_key == NULL) { 4308 sctp_free_key(key); 4309 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4310 error = ENOMEM; 4311 SCTP_TCB_UNLOCK(stcb); 4312 break; 4313 } 4314 shared_key->key = key; 4315 shared_key->keyid = sca->sca_keynumber; 4316 error = sctp_insert_sharedkey(shared_keys, shared_key); 4317 SCTP_TCB_UNLOCK(stcb); 4318 } else { 4319 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4320 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4321 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4322 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4323 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4324 SCTP_INP_WLOCK(inp); 4325 shared_keys = &inp->sctp_ep.shared_keys; 4326 /* 4327 * clear the cached keys on all 4328 * assocs for this key id 4329 */ 4330 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4331 /* 4332 * create the new shared key and 4333 * insert/replace it 4334 */ 4335 if (size > 0) { 4336 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4337 if (key == NULL) { 4338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4339 error = ENOMEM; 4340 SCTP_INP_WUNLOCK(inp); 4341 break; 4342 } 4343 } 4344 shared_key = sctp_alloc_sharedkey(); 4345 if (shared_key == NULL) { 4346 sctp_free_key(key); 4347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4348 error = ENOMEM; 4349 SCTP_INP_WUNLOCK(inp); 4350 break; 4351 } 4352 shared_key->key = key; 4353 shared_key->keyid = sca->sca_keynumber; 4354 error = sctp_insert_sharedkey(shared_keys, shared_key); 4355 SCTP_INP_WUNLOCK(inp); 4356 } 4357 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4358 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4359 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4360 SCTP_INP_RLOCK(inp); 4361 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4362 SCTP_TCB_LOCK(stcb); 4363 shared_keys = &stcb->asoc.shared_keys; 4364 /* 4365 * clear the cached keys for 4366 * this key id 4367 */ 4368 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4369 /* 4370 * create the new shared key 4371 * and insert/replace it 4372 */ 4373 if (size > 0) { 4374 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4375 if (key == NULL) { 4376 SCTP_TCB_UNLOCK(stcb); 4377 continue; 4378 } 4379 } 4380 shared_key = sctp_alloc_sharedkey(); 4381 if (shared_key == NULL) { 4382 sctp_free_key(key); 4383 SCTP_TCB_UNLOCK(stcb); 4384 continue; 4385 } 4386 shared_key->key = key; 4387 shared_key->keyid = sca->sca_keynumber; 4388 error = sctp_insert_sharedkey(shared_keys, shared_key); 4389 SCTP_TCB_UNLOCK(stcb); 4390 } 4391 SCTP_INP_RUNLOCK(inp); 4392 } 4393 } 4394 break; 4395 } 4396 case SCTP_HMAC_IDENT: 4397 { 4398 struct sctp_hmacalgo *shmac; 4399 sctp_hmaclist_t *hmaclist; 4400 uint16_t hmacid; 4401 uint32_t i; 4402 4403 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4404 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4405 (shmac->shmac_number_of_idents > 0xffff)) { 4406 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4407 error = EINVAL; 4408 break; 4409 } 4410 4411 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4412 if (hmaclist == NULL) { 4413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4414 error = ENOMEM; 4415 break; 4416 } 4417 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4418 hmacid = shmac->shmac_idents[i]; 4419 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4420 /* invalid HMACs were found */ ; 4421 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4422 error = EINVAL; 4423 sctp_free_hmaclist(hmaclist); 4424 goto sctp_set_hmac_done; 4425 } 4426 } 4427 for (i = 0; i < hmaclist->num_algo; i++) { 4428 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4429 /* already in list */ 4430 break; 4431 } 4432 } 4433 if (i == hmaclist->num_algo) { 4434 /* not found in list */ 4435 sctp_free_hmaclist(hmaclist); 4436 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4437 error = EINVAL; 4438 break; 4439 } 4440 /* set it on the endpoint */ 4441 SCTP_INP_WLOCK(inp); 4442 if (inp->sctp_ep.local_hmacs) 4443 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4444 inp->sctp_ep.local_hmacs = hmaclist; 4445 SCTP_INP_WUNLOCK(inp); 4446 sctp_set_hmac_done: 4447 break; 4448 } 4449 case SCTP_AUTH_ACTIVE_KEY: 4450 { 4451 struct sctp_authkeyid *scact; 4452 4453 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4454 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4455 4456 /* set the active key on the right place */ 4457 if (stcb) { 4458 /* set the active key on the assoc */ 4459 if (sctp_auth_setactivekey(stcb, 4460 scact->scact_keynumber)) { 4461 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4462 SCTP_FROM_SCTP_USRREQ, 4463 EINVAL); 4464 error = EINVAL; 4465 } 4466 SCTP_TCB_UNLOCK(stcb); 4467 } else { 4468 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4469 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4470 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4471 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4472 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4473 SCTP_INP_WLOCK(inp); 4474 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4475 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4476 error = EINVAL; 4477 } 4478 SCTP_INP_WUNLOCK(inp); 4479 } 4480 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4481 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4482 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4483 SCTP_INP_RLOCK(inp); 4484 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4485 SCTP_TCB_LOCK(stcb); 4486 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4487 SCTP_TCB_UNLOCK(stcb); 4488 } 4489 SCTP_INP_RUNLOCK(inp); 4490 } 4491 } 4492 break; 4493 } 4494 case SCTP_AUTH_DELETE_KEY: 4495 { 4496 struct sctp_authkeyid *scdel; 4497 4498 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4499 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4500 4501 /* delete the key from the right place */ 4502 if (stcb) { 4503 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4505 error = EINVAL; 4506 } 4507 SCTP_TCB_UNLOCK(stcb); 4508 } else { 4509 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4510 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4511 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4512 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4513 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4514 SCTP_INP_WLOCK(inp); 4515 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4516 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4517 error = EINVAL; 4518 } 4519 SCTP_INP_WUNLOCK(inp); 4520 } 4521 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4522 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4523 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4524 SCTP_INP_RLOCK(inp); 4525 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4526 SCTP_TCB_LOCK(stcb); 4527 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4528 SCTP_TCB_UNLOCK(stcb); 4529 } 4530 SCTP_INP_RUNLOCK(inp); 4531 } 4532 } 4533 break; 4534 } 4535 case SCTP_AUTH_DEACTIVATE_KEY: 4536 { 4537 struct sctp_authkeyid *keyid; 4538 4539 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4540 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4541 4542 /* deactivate the key from the right place */ 4543 if (stcb) { 4544 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4546 error = EINVAL; 4547 } 4548 SCTP_TCB_UNLOCK(stcb); 4549 } else { 4550 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4551 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4552 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4553 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4554 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4555 SCTP_INP_WLOCK(inp); 4556 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4558 error = EINVAL; 4559 } 4560 SCTP_INP_WUNLOCK(inp); 4561 } 4562 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4563 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4564 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4565 SCTP_INP_RLOCK(inp); 4566 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4567 SCTP_TCB_LOCK(stcb); 4568 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4569 SCTP_TCB_UNLOCK(stcb); 4570 } 4571 SCTP_INP_RUNLOCK(inp); 4572 } 4573 } 4574 break; 4575 } 4576 case SCTP_ENABLE_STREAM_RESET: 4577 { 4578 struct sctp_assoc_value *av; 4579 4580 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4581 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4583 error = EINVAL; 4584 break; 4585 } 4586 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4587 if (stcb) { 4588 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4589 SCTP_TCB_UNLOCK(stcb); 4590 } else { 4591 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4592 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4593 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4594 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4595 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4596 SCTP_INP_WLOCK(inp); 4597 inp->local_strreset_support = (uint8_t)av->assoc_value; 4598 SCTP_INP_WUNLOCK(inp); 4599 } 4600 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4601 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4602 (av->assoc_id == SCTP_ALL_ASSOC))) { 4603 SCTP_INP_RLOCK(inp); 4604 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4605 SCTP_TCB_LOCK(stcb); 4606 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4607 SCTP_TCB_UNLOCK(stcb); 4608 } 4609 SCTP_INP_RUNLOCK(inp); 4610 } 4611 } 4612 break; 4613 } 4614 case SCTP_RESET_STREAMS: 4615 { 4616 struct sctp_reset_streams *strrst; 4617 int i, send_out = 0; 4618 int send_in = 0; 4619 4620 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4621 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4622 if (stcb == NULL) { 4623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4624 error = ENOENT; 4625 break; 4626 } 4627 if (stcb->asoc.reconfig_supported == 0) { 4628 /* 4629 * Peer does not support the chunk type. 4630 */ 4631 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4632 error = EOPNOTSUPP; 4633 SCTP_TCB_UNLOCK(stcb); 4634 break; 4635 } 4636 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4638 error = EINVAL; 4639 SCTP_TCB_UNLOCK(stcb); 4640 break; 4641 } 4642 if (sizeof(struct sctp_reset_streams) + 4643 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4644 error = EINVAL; 4645 SCTP_TCB_UNLOCK(stcb); 4646 break; 4647 } 4648 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4649 send_in = 1; 4650 if (stcb->asoc.stream_reset_outstanding) { 4651 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4652 error = EALREADY; 4653 SCTP_TCB_UNLOCK(stcb); 4654 break; 4655 } 4656 } 4657 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4658 send_out = 1; 4659 } 4660 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4662 error = ENOMEM; 4663 SCTP_TCB_UNLOCK(stcb); 4664 break; 4665 } 4666 if ((send_in == 0) && (send_out == 0)) { 4667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4668 error = EINVAL; 4669 SCTP_TCB_UNLOCK(stcb); 4670 break; 4671 } 4672 for (i = 0; i < strrst->srs_number_streams; i++) { 4673 if ((send_in) && 4674 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4676 error = EINVAL; 4677 break; 4678 } 4679 if ((send_out) && 4680 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4681 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4682 error = EINVAL; 4683 break; 4684 } 4685 } 4686 if (error) { 4687 SCTP_TCB_UNLOCK(stcb); 4688 break; 4689 } 4690 if (send_out) { 4691 int cnt; 4692 uint16_t strm; 4693 4694 if (strrst->srs_number_streams) { 4695 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4696 strm = strrst->srs_stream_list[i]; 4697 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4698 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4699 cnt++; 4700 } 4701 } 4702 } else { 4703 /* Its all */ 4704 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4705 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4706 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4707 cnt++; 4708 } 4709 } 4710 } 4711 } 4712 if (send_in) { 4713 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4714 strrst->srs_stream_list, 4715 send_in, 0, 0, 0, 0, 0); 4716 } else { 4717 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4718 } 4719 if (error == 0) { 4720 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4721 } else { 4722 /* 4723 * For outgoing streams don't report any 4724 * problems in sending the request to the 4725 * application. XXX: Double check resetting 4726 * incoming streams. 4727 */ 4728 error = 0; 4729 } 4730 SCTP_TCB_UNLOCK(stcb); 4731 break; 4732 } 4733 case SCTP_ADD_STREAMS: 4734 { 4735 struct sctp_add_streams *stradd; 4736 uint8_t addstream = 0; 4737 uint16_t add_o_strmcnt = 0; 4738 uint16_t add_i_strmcnt = 0; 4739 4740 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4741 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4742 if (stcb == NULL) { 4743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4744 error = ENOENT; 4745 break; 4746 } 4747 if (stcb->asoc.reconfig_supported == 0) { 4748 /* 4749 * Peer does not support the chunk type. 4750 */ 4751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4752 error = EOPNOTSUPP; 4753 SCTP_TCB_UNLOCK(stcb); 4754 break; 4755 } 4756 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4758 error = EINVAL; 4759 SCTP_TCB_UNLOCK(stcb); 4760 break; 4761 } 4762 if (stcb->asoc.stream_reset_outstanding) { 4763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4764 error = EALREADY; 4765 SCTP_TCB_UNLOCK(stcb); 4766 break; 4767 } 4768 if ((stradd->sas_outstrms == 0) && 4769 (stradd->sas_instrms == 0)) { 4770 error = EINVAL; 4771 goto skip_stuff; 4772 } 4773 if (stradd->sas_outstrms) { 4774 addstream = 1; 4775 /* We allocate here */ 4776 add_o_strmcnt = stradd->sas_outstrms; 4777 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4778 /* You can't have more than 64k */ 4779 error = EINVAL; 4780 goto skip_stuff; 4781 } 4782 } 4783 if (stradd->sas_instrms) { 4784 int cnt; 4785 4786 addstream |= 2; 4787 /* 4788 * We allocate inside 4789 * sctp_send_str_reset_req() 4790 */ 4791 add_i_strmcnt = stradd->sas_instrms; 4792 cnt = add_i_strmcnt; 4793 cnt += stcb->asoc.streamincnt; 4794 if (cnt > 0x0000ffff) { 4795 /* You can't have more than 64k */ 4796 error = EINVAL; 4797 goto skip_stuff; 4798 } 4799 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4800 /* More than you are allowed */ 4801 error = EINVAL; 4802 goto skip_stuff; 4803 } 4804 } 4805 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4806 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4807 skip_stuff: 4808 SCTP_TCB_UNLOCK(stcb); 4809 break; 4810 } 4811 case SCTP_RESET_ASSOC: 4812 { 4813 int i; 4814 uint32_t *value; 4815 4816 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4817 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4818 if (stcb == NULL) { 4819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4820 error = ENOENT; 4821 break; 4822 } 4823 if (stcb->asoc.reconfig_supported == 0) { 4824 /* 4825 * Peer does not support the chunk type. 4826 */ 4827 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4828 error = EOPNOTSUPP; 4829 SCTP_TCB_UNLOCK(stcb); 4830 break; 4831 } 4832 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4834 error = EINVAL; 4835 SCTP_TCB_UNLOCK(stcb); 4836 break; 4837 } 4838 if (stcb->asoc.stream_reset_outstanding) { 4839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4840 error = EALREADY; 4841 SCTP_TCB_UNLOCK(stcb); 4842 break; 4843 } 4844 /* 4845 * Is there any data pending in the send or sent 4846 * queues? 4847 */ 4848 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4849 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4850 busy_out: 4851 error = EBUSY; 4852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4853 SCTP_TCB_UNLOCK(stcb); 4854 break; 4855 } 4856 /* Do any streams have data queued? */ 4857 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4858 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4859 goto busy_out; 4860 } 4861 } 4862 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4863 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4864 SCTP_TCB_UNLOCK(stcb); 4865 break; 4866 } 4867 case SCTP_CONNECT_X: 4868 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4870 error = EINVAL; 4871 break; 4872 } 4873 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4874 break; 4875 case SCTP_CONNECT_X_DELAYED: 4876 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4877 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4878 error = EINVAL; 4879 break; 4880 } 4881 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4882 break; 4883 case SCTP_CONNECT_X_COMPLETE: 4884 { 4885 struct sockaddr *sa; 4886 4887 /* FIXME MT: check correct? */ 4888 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4889 4890 /* find tcb */ 4891 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4892 SCTP_INP_RLOCK(inp); 4893 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4894 if (stcb) { 4895 SCTP_TCB_LOCK(stcb); 4896 } 4897 SCTP_INP_RUNLOCK(inp); 4898 } else { 4899 /* 4900 * We increment here since 4901 * sctp_findassociation_ep_addr() wil do a 4902 * decrement if it finds the stcb as long as 4903 * the locked tcb (last argument) is NOT a 4904 * TCB.. aka NULL. 4905 */ 4906 SCTP_INP_INCR_REF(inp); 4907 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4908 if (stcb == NULL) { 4909 SCTP_INP_DECR_REF(inp); 4910 } 4911 } 4912 4913 if (stcb == NULL) { 4914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4915 error = ENOENT; 4916 break; 4917 } 4918 if (stcb->asoc.delayed_connection == 1) { 4919 stcb->asoc.delayed_connection = 0; 4920 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4921 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4922 stcb->asoc.primary_destination, 4923 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4924 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4925 } else { 4926 /* 4927 * already expired or did not use delayed 4928 * connectx 4929 */ 4930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4931 error = EALREADY; 4932 } 4933 SCTP_TCB_UNLOCK(stcb); 4934 break; 4935 } 4936 case SCTP_MAX_BURST: 4937 { 4938 struct sctp_assoc_value *av; 4939 4940 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4941 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4942 4943 if (stcb) { 4944 stcb->asoc.max_burst = av->assoc_value; 4945 SCTP_TCB_UNLOCK(stcb); 4946 } else { 4947 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4948 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4949 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4950 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4951 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4952 SCTP_INP_WLOCK(inp); 4953 inp->sctp_ep.max_burst = av->assoc_value; 4954 SCTP_INP_WUNLOCK(inp); 4955 } 4956 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4957 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4958 (av->assoc_id == SCTP_ALL_ASSOC))) { 4959 SCTP_INP_RLOCK(inp); 4960 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4961 SCTP_TCB_LOCK(stcb); 4962 stcb->asoc.max_burst = av->assoc_value; 4963 SCTP_TCB_UNLOCK(stcb); 4964 } 4965 SCTP_INP_RUNLOCK(inp); 4966 } 4967 } 4968 break; 4969 } 4970 case SCTP_MAXSEG: 4971 { 4972 struct sctp_assoc_value *av; 4973 4974 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4975 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4976 4977 if (stcb) { 4978 stcb->asoc.sctp_frag_point = av->assoc_value; 4979 SCTP_TCB_UNLOCK(stcb); 4980 } else { 4981 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4982 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4983 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4984 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 4985 SCTP_INP_WLOCK(inp); 4986 inp->sctp_frag_point = av->assoc_value; 4987 SCTP_INP_WUNLOCK(inp); 4988 } else { 4989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4990 error = EINVAL; 4991 } 4992 } 4993 break; 4994 } 4995 case SCTP_EVENTS: 4996 { 4997 struct sctp_event_subscribe *events; 4998 4999 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5000 5001 SCTP_INP_WLOCK(inp); 5002 if (events->sctp_data_io_event) { 5003 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5004 } else { 5005 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5006 } 5007 5008 if (events->sctp_association_event) { 5009 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5010 } else { 5011 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5012 } 5013 5014 if (events->sctp_address_event) { 5015 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5016 } else { 5017 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5018 } 5019 5020 if (events->sctp_send_failure_event) { 5021 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5022 } else { 5023 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5024 } 5025 5026 if (events->sctp_peer_error_event) { 5027 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5028 } else { 5029 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5030 } 5031 5032 if (events->sctp_shutdown_event) { 5033 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5034 } else { 5035 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5036 } 5037 5038 if (events->sctp_partial_delivery_event) { 5039 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5040 } else { 5041 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5042 } 5043 5044 if (events->sctp_adaptation_layer_event) { 5045 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5046 } else { 5047 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5048 } 5049 5050 if (events->sctp_authentication_event) { 5051 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5052 } else { 5053 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5054 } 5055 5056 if (events->sctp_sender_dry_event) { 5057 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5058 } else { 5059 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5060 } 5061 5062 if (events->sctp_stream_reset_event) { 5063 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5064 } else { 5065 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5066 } 5067 5068 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5069 SCTP_TCB_LOCK(stcb); 5070 if (events->sctp_association_event) { 5071 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5072 } else { 5073 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5074 } 5075 if (events->sctp_address_event) { 5076 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5077 } else { 5078 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5079 } 5080 if (events->sctp_send_failure_event) { 5081 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5082 } else { 5083 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5084 } 5085 if (events->sctp_peer_error_event) { 5086 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5087 } else { 5088 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5089 } 5090 if (events->sctp_shutdown_event) { 5091 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5092 } else { 5093 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5094 } 5095 if (events->sctp_partial_delivery_event) { 5096 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5097 } else { 5098 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5099 } 5100 if (events->sctp_adaptation_layer_event) { 5101 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5102 } else { 5103 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5104 } 5105 if (events->sctp_authentication_event) { 5106 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5107 } else { 5108 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5109 } 5110 if (events->sctp_sender_dry_event) { 5111 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5112 } else { 5113 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5114 } 5115 if (events->sctp_stream_reset_event) { 5116 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5117 } else { 5118 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5119 } 5120 SCTP_TCB_UNLOCK(stcb); 5121 } 5122 /* 5123 * Send up the sender dry event only for 1-to-1 5124 * style sockets. 5125 */ 5126 if (events->sctp_sender_dry_event) { 5127 if (((inp->sctp_flags & (SCTP_PCB_FLAGS_TCPTYPE | SCTP_PCB_FLAGS_IN_TCPPOOL)) != 0) && 5128 !SCTP_IS_LISTENING(inp)) { 5129 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5130 if (stcb != NULL) { 5131 SCTP_TCB_LOCK(stcb); 5132 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5133 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5134 (stcb->asoc.stream_queue_cnt == 0)) { 5135 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5136 } 5137 SCTP_TCB_UNLOCK(stcb); 5138 } 5139 } 5140 } 5141 SCTP_INP_WUNLOCK(inp); 5142 break; 5143 } 5144 case SCTP_ADAPTATION_LAYER: 5145 { 5146 struct sctp_setadaptation *adap_bits; 5147 5148 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5149 SCTP_INP_WLOCK(inp); 5150 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5151 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5152 SCTP_INP_WUNLOCK(inp); 5153 break; 5154 } 5155 #ifdef SCTP_DEBUG 5156 case SCTP_SET_INITIAL_DBG_SEQ: 5157 { 5158 uint32_t *vvv; 5159 5160 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5161 SCTP_INP_WLOCK(inp); 5162 inp->sctp_ep.initial_sequence_debug = *vvv; 5163 SCTP_INP_WUNLOCK(inp); 5164 break; 5165 } 5166 #endif 5167 case SCTP_DEFAULT_SEND_PARAM: 5168 { 5169 struct sctp_sndrcvinfo *s_info; 5170 5171 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5172 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5173 5174 if (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 } else { 5178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5179 error = EINVAL; 5180 } 5181 SCTP_TCB_UNLOCK(stcb); 5182 } else { 5183 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5184 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5185 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5186 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5187 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5188 SCTP_INP_WLOCK(inp); 5189 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5190 SCTP_INP_WUNLOCK(inp); 5191 } 5192 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5193 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5194 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5195 SCTP_INP_RLOCK(inp); 5196 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5197 SCTP_TCB_LOCK(stcb); 5198 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5199 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5200 } 5201 SCTP_TCB_UNLOCK(stcb); 5202 } 5203 SCTP_INP_RUNLOCK(inp); 5204 } 5205 } 5206 break; 5207 } 5208 case SCTP_PEER_ADDR_PARAMS: 5209 { 5210 struct sctp_paddrparams *paddrp; 5211 struct sctp_nets *net; 5212 struct sockaddr *addr; 5213 #if defined(INET) && defined(INET6) 5214 struct sockaddr_in sin_store; 5215 #endif 5216 5217 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5218 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5219 5220 #if defined(INET) && defined(INET6) 5221 if (paddrp->spp_address.ss_family == AF_INET6) { 5222 struct sockaddr_in6 *sin6; 5223 5224 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5225 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5226 in6_sin6_2_sin(&sin_store, sin6); 5227 addr = (struct sockaddr *)&sin_store; 5228 } else { 5229 addr = (struct sockaddr *)&paddrp->spp_address; 5230 } 5231 } else { 5232 addr = (struct sockaddr *)&paddrp->spp_address; 5233 } 5234 #else 5235 addr = (struct sockaddr *)&paddrp->spp_address; 5236 #endif 5237 if (stcb != NULL) { 5238 net = sctp_findnet(stcb, addr); 5239 } else { 5240 /* 5241 * We increment here since 5242 * sctp_findassociation_ep_addr() wil do a 5243 * decrement if it finds the stcb as long as 5244 * the locked tcb (last argument) is NOT a 5245 * TCB.. aka NULL. 5246 */ 5247 net = NULL; 5248 SCTP_INP_INCR_REF(inp); 5249 stcb = sctp_findassociation_ep_addr(&inp, addr, 5250 &net, NULL, NULL); 5251 if (stcb == NULL) { 5252 SCTP_INP_DECR_REF(inp); 5253 } 5254 } 5255 if ((stcb != NULL) && (net == NULL)) { 5256 #ifdef INET 5257 if (addr->sa_family == AF_INET) { 5258 struct sockaddr_in *sin; 5259 5260 sin = (struct sockaddr_in *)addr; 5261 if (sin->sin_addr.s_addr != INADDR_ANY) { 5262 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5263 SCTP_TCB_UNLOCK(stcb); 5264 error = EINVAL; 5265 break; 5266 } 5267 } else 5268 #endif 5269 #ifdef INET6 5270 if (addr->sa_family == AF_INET6) { 5271 struct sockaddr_in6 *sin6; 5272 5273 sin6 = (struct sockaddr_in6 *)addr; 5274 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5276 SCTP_TCB_UNLOCK(stcb); 5277 error = EINVAL; 5278 break; 5279 } 5280 } else 5281 #endif 5282 { 5283 error = EAFNOSUPPORT; 5284 SCTP_TCB_UNLOCK(stcb); 5285 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5286 break; 5287 } 5288 } 5289 /* sanity checks */ 5290 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5291 if (stcb) 5292 SCTP_TCB_UNLOCK(stcb); 5293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5294 return (EINVAL); 5295 } 5296 5297 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5298 if (stcb) 5299 SCTP_TCB_UNLOCK(stcb); 5300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5301 return (EINVAL); 5302 } 5303 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5304 (paddrp->spp_pathmtu > 0) && 5305 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5306 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5307 if (stcb) 5308 SCTP_TCB_UNLOCK(stcb); 5309 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5310 return (EINVAL); 5311 } 5312 5313 if (stcb != NULL) { 5314 /************************TCB SPECIFIC SET ******************/ 5315 if (net != NULL) { 5316 /************************NET SPECIFIC SET ******************/ 5317 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5318 if (((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) && 5319 ((net->dest_state & SCTP_ADDR_NOHB) == 0)) { 5320 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5321 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5322 } 5323 net->dest_state |= SCTP_ADDR_NOHB; 5324 } 5325 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5326 if (paddrp->spp_hbinterval) { 5327 net->heart_beat_delay = paddrp->spp_hbinterval; 5328 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5329 net->heart_beat_delay = 0; 5330 } 5331 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5332 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5333 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5334 net->dest_state &= ~SCTP_ADDR_NOHB; 5335 } 5336 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5337 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5338 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5339 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5340 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5341 } 5342 } 5343 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5344 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5345 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5346 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5347 } 5348 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5349 if (paddrp->spp_pathmtu > 0) { 5350 net->mtu = paddrp->spp_pathmtu; 5351 switch (net->ro._l_addr.sa.sa_family) { 5352 #ifdef INET 5353 case AF_INET: 5354 net->mtu += SCTP_MIN_V4_OVERHEAD; 5355 break; 5356 #endif 5357 #ifdef INET6 5358 case AF_INET6: 5359 net->mtu += SCTP_MIN_OVERHEAD; 5360 break; 5361 #endif 5362 default: 5363 break; 5364 } 5365 if (net->mtu < stcb->asoc.smallest_mtu) { 5366 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5367 } 5368 } 5369 } 5370 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5371 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5372 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5373 } 5374 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5375 } 5376 if (paddrp->spp_pathmaxrxt > 0) { 5377 if (net->dest_state & SCTP_ADDR_PF) { 5378 if (net->error_count > paddrp->spp_pathmaxrxt) { 5379 net->dest_state &= ~SCTP_ADDR_PF; 5380 } 5381 } else { 5382 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5383 (net->error_count > net->pf_threshold)) { 5384 net->dest_state |= SCTP_ADDR_PF; 5385 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5386 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5387 stcb->sctp_ep, stcb, net, 5388 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5389 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5390 } 5391 } 5392 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5393 if (net->error_count > paddrp->spp_pathmaxrxt) { 5394 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5395 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5396 } 5397 } else { 5398 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5399 net->dest_state |= SCTP_ADDR_REACHABLE; 5400 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5401 } 5402 } 5403 net->failure_threshold = paddrp->spp_pathmaxrxt; 5404 } 5405 if (paddrp->spp_flags & SPP_DSCP) { 5406 net->dscp = paddrp->spp_dscp & 0xfc; 5407 net->dscp |= 0x01; 5408 } 5409 #ifdef INET6 5410 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5411 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5412 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5413 net->flowlabel |= 0x80000000; 5414 } 5415 } 5416 #endif 5417 } else { 5418 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5419 if (paddrp->spp_pathmaxrxt > 0) { 5420 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5421 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5422 if (net->dest_state & SCTP_ADDR_PF) { 5423 if (net->error_count > paddrp->spp_pathmaxrxt) { 5424 net->dest_state &= ~SCTP_ADDR_PF; 5425 } 5426 } else { 5427 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5428 (net->error_count > net->pf_threshold)) { 5429 net->dest_state |= SCTP_ADDR_PF; 5430 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5431 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5432 stcb->sctp_ep, stcb, net, 5433 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5434 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5435 } 5436 } 5437 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5438 if (net->error_count > paddrp->spp_pathmaxrxt) { 5439 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5440 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5441 } 5442 } else { 5443 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5444 net->dest_state |= SCTP_ADDR_REACHABLE; 5445 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5446 } 5447 } 5448 net->failure_threshold = paddrp->spp_pathmaxrxt; 5449 } 5450 } 5451 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5452 if (paddrp->spp_hbinterval != 0) { 5453 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5454 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5455 stcb->asoc.heart_beat_delay = 0; 5456 } 5457 /* Turn back on the timer */ 5458 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5459 if (paddrp->spp_hbinterval != 0) { 5460 net->heart_beat_delay = paddrp->spp_hbinterval; 5461 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5462 net->heart_beat_delay = 0; 5463 } 5464 if (net->dest_state & SCTP_ADDR_NOHB) { 5465 net->dest_state &= ~SCTP_ADDR_NOHB; 5466 } 5467 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5468 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5469 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5470 } 5471 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5472 } 5473 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5474 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5475 if ((net->dest_state & SCTP_ADDR_NOHB) == 0) { 5476 net->dest_state |= SCTP_ADDR_NOHB; 5477 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5478 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5479 inp, stcb, net, 5480 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5481 } 5482 } 5483 } 5484 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5485 } 5486 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5487 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5488 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5489 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5490 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5491 } 5492 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5493 if (paddrp->spp_pathmtu > 0) { 5494 net->mtu = paddrp->spp_pathmtu; 5495 switch (net->ro._l_addr.sa.sa_family) { 5496 #ifdef INET 5497 case AF_INET: 5498 net->mtu += SCTP_MIN_V4_OVERHEAD; 5499 break; 5500 #endif 5501 #ifdef INET6 5502 case AF_INET6: 5503 net->mtu += SCTP_MIN_OVERHEAD; 5504 break; 5505 #endif 5506 default: 5507 break; 5508 } 5509 if (net->mtu < stcb->asoc.smallest_mtu) { 5510 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5511 } 5512 } 5513 } 5514 if (paddrp->spp_pathmtu > 0) { 5515 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5516 } 5517 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5518 } 5519 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5520 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5521 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5522 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5523 } 5524 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5525 } 5526 stcb->asoc.default_mtu = 0; 5527 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5528 } 5529 if (paddrp->spp_flags & SPP_DSCP) { 5530 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5531 net->dscp = paddrp->spp_dscp & 0xfc; 5532 net->dscp |= 0x01; 5533 } 5534 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5535 stcb->asoc.default_dscp |= 0x01; 5536 } 5537 #ifdef INET6 5538 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5539 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5540 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5541 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5542 net->flowlabel |= 0x80000000; 5543 } 5544 } 5545 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5546 stcb->asoc.default_flowlabel |= 0x80000000; 5547 } 5548 #endif 5549 } 5550 SCTP_TCB_UNLOCK(stcb); 5551 } else { 5552 /************************NO TCB, SET TO default stuff ******************/ 5553 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5554 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5555 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5556 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5557 SCTP_INP_WLOCK(inp); 5558 /* 5559 * For the TOS/FLOWLABEL stuff you 5560 * set it with the options on the 5561 * socket 5562 */ 5563 if (paddrp->spp_pathmaxrxt > 0) { 5564 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5565 } 5566 5567 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5568 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5569 else if (paddrp->spp_hbinterval != 0) { 5570 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5571 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5572 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5573 } 5574 5575 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5576 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5577 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5578 } else if (paddrp->spp_hbinterval) { 5579 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5580 } 5581 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5582 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5583 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5584 } 5585 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5586 inp->sctp_ep.default_mtu = 0; 5587 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5588 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5589 if (paddrp->spp_pathmtu > 0) { 5590 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5591 } 5592 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5593 } 5594 if (paddrp->spp_flags & SPP_DSCP) { 5595 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5596 inp->sctp_ep.default_dscp |= 0x01; 5597 } 5598 #ifdef INET6 5599 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5600 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5601 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5602 inp->sctp_ep.default_flowlabel |= 0x80000000; 5603 } 5604 } 5605 #endif 5606 SCTP_INP_WUNLOCK(inp); 5607 } else { 5608 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5609 error = EINVAL; 5610 } 5611 } 5612 break; 5613 } 5614 case SCTP_RTOINFO: 5615 { 5616 struct sctp_rtoinfo *srto; 5617 uint32_t new_init, new_min, new_max; 5618 5619 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5620 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5621 5622 if (stcb) { 5623 if (srto->srto_initial) 5624 new_init = srto->srto_initial; 5625 else 5626 new_init = stcb->asoc.initial_rto; 5627 if (srto->srto_max) 5628 new_max = srto->srto_max; 5629 else 5630 new_max = stcb->asoc.maxrto; 5631 if (srto->srto_min) 5632 new_min = srto->srto_min; 5633 else 5634 new_min = stcb->asoc.minrto; 5635 if ((new_min <= new_init) && (new_init <= new_max)) { 5636 stcb->asoc.initial_rto = new_init; 5637 stcb->asoc.maxrto = new_max; 5638 stcb->asoc.minrto = new_min; 5639 } else { 5640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5641 error = EINVAL; 5642 } 5643 SCTP_TCB_UNLOCK(stcb); 5644 } else { 5645 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5646 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5647 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5648 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5649 SCTP_INP_WLOCK(inp); 5650 if (srto->srto_initial) 5651 new_init = srto->srto_initial; 5652 else 5653 new_init = inp->sctp_ep.initial_rto; 5654 if (srto->srto_max) 5655 new_max = srto->srto_max; 5656 else 5657 new_max = inp->sctp_ep.sctp_maxrto; 5658 if (srto->srto_min) 5659 new_min = srto->srto_min; 5660 else 5661 new_min = inp->sctp_ep.sctp_minrto; 5662 if ((new_min <= new_init) && (new_init <= new_max)) { 5663 inp->sctp_ep.initial_rto = new_init; 5664 inp->sctp_ep.sctp_maxrto = new_max; 5665 inp->sctp_ep.sctp_minrto = new_min; 5666 } else { 5667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5668 error = EINVAL; 5669 } 5670 SCTP_INP_WUNLOCK(inp); 5671 } else { 5672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5673 error = EINVAL; 5674 } 5675 } 5676 break; 5677 } 5678 case SCTP_ASSOCINFO: 5679 { 5680 struct sctp_assocparams *sasoc; 5681 5682 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5683 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5684 if (sasoc->sasoc_cookie_life > 0) { 5685 /* boundary check the cookie life */ 5686 if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) { 5687 sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE; 5688 } 5689 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5690 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5691 } 5692 } 5693 if (stcb) { 5694 if (sasoc->sasoc_asocmaxrxt > 0) { 5695 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5696 } 5697 if (sasoc->sasoc_cookie_life > 0) { 5698 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5699 } 5700 SCTP_TCB_UNLOCK(stcb); 5701 } else { 5702 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5703 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5704 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5705 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5706 SCTP_INP_WLOCK(inp); 5707 if (sasoc->sasoc_asocmaxrxt > 0) { 5708 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5709 } 5710 if (sasoc->sasoc_cookie_life > 0) { 5711 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5712 } 5713 SCTP_INP_WUNLOCK(inp); 5714 } else { 5715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5716 error = EINVAL; 5717 } 5718 } 5719 break; 5720 } 5721 case SCTP_INITMSG: 5722 { 5723 struct sctp_initmsg *sinit; 5724 5725 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5726 SCTP_INP_WLOCK(inp); 5727 if (sinit->sinit_num_ostreams) 5728 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5729 5730 if (sinit->sinit_max_instreams) 5731 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5732 5733 if (sinit->sinit_max_attempts) 5734 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5735 5736 if (sinit->sinit_max_init_timeo) 5737 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5738 SCTP_INP_WUNLOCK(inp); 5739 break; 5740 } 5741 case SCTP_PRIMARY_ADDR: 5742 { 5743 struct sctp_setprim *spa; 5744 struct sctp_nets *net; 5745 struct sockaddr *addr; 5746 #if defined(INET) && defined(INET6) 5747 struct sockaddr_in sin_store; 5748 #endif 5749 5750 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5751 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5752 5753 #if defined(INET) && defined(INET6) 5754 if (spa->ssp_addr.ss_family == AF_INET6) { 5755 struct sockaddr_in6 *sin6; 5756 5757 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5758 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5759 in6_sin6_2_sin(&sin_store, sin6); 5760 addr = (struct sockaddr *)&sin_store; 5761 } else { 5762 addr = (struct sockaddr *)&spa->ssp_addr; 5763 } 5764 } else { 5765 addr = (struct sockaddr *)&spa->ssp_addr; 5766 } 5767 #else 5768 addr = (struct sockaddr *)&spa->ssp_addr; 5769 #endif 5770 if (stcb != NULL) { 5771 net = sctp_findnet(stcb, addr); 5772 } else { 5773 /* 5774 * We increment here since 5775 * sctp_findassociation_ep_addr() wil do a 5776 * decrement if it finds the stcb as long as 5777 * the locked tcb (last argument) is NOT a 5778 * TCB.. aka NULL. 5779 */ 5780 net = NULL; 5781 SCTP_INP_INCR_REF(inp); 5782 stcb = sctp_findassociation_ep_addr(&inp, addr, 5783 &net, NULL, NULL); 5784 if (stcb == NULL) { 5785 SCTP_INP_DECR_REF(inp); 5786 } 5787 } 5788 5789 if ((stcb != NULL) && (net != NULL)) { 5790 if (net != stcb->asoc.primary_destination) { 5791 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5792 /* Ok we need to set it */ 5793 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5794 if ((stcb->asoc.alternate) && 5795 ((net->dest_state & SCTP_ADDR_PF) == 0) && 5796 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5797 sctp_free_remote_addr(stcb->asoc.alternate); 5798 stcb->asoc.alternate = NULL; 5799 } 5800 } else { 5801 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5802 error = EINVAL; 5803 } 5804 } else { 5805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5806 error = EINVAL; 5807 } 5808 } 5809 } else { 5810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5811 error = EINVAL; 5812 } 5813 if (stcb != NULL) { 5814 SCTP_TCB_UNLOCK(stcb); 5815 } 5816 break; 5817 } 5818 case SCTP_SET_DYNAMIC_PRIMARY: 5819 { 5820 union sctp_sockstore *ss; 5821 5822 error = priv_check(curthread, 5823 PRIV_NETINET_RESERVEDPORT); 5824 if (error) 5825 break; 5826 5827 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5828 /* SUPER USER CHECK? */ 5829 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5830 break; 5831 } 5832 case SCTP_SET_PEER_PRIMARY_ADDR: 5833 { 5834 struct sctp_setpeerprim *sspp; 5835 struct sockaddr *addr; 5836 #if defined(INET) && defined(INET6) 5837 struct sockaddr_in sin_store; 5838 #endif 5839 5840 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5841 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5842 if (stcb != NULL) { 5843 struct sctp_ifa *ifa; 5844 5845 #if defined(INET) && defined(INET6) 5846 if (sspp->sspp_addr.ss_family == AF_INET6) { 5847 struct sockaddr_in6 *sin6; 5848 5849 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5850 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5851 in6_sin6_2_sin(&sin_store, sin6); 5852 addr = (struct sockaddr *)&sin_store; 5853 } else { 5854 addr = (struct sockaddr *)&sspp->sspp_addr; 5855 } 5856 } else { 5857 addr = (struct sockaddr *)&sspp->sspp_addr; 5858 } 5859 #else 5860 addr = (struct sockaddr *)&sspp->sspp_addr; 5861 #endif 5862 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5863 if (ifa == NULL) { 5864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5865 error = EINVAL; 5866 goto out_of_it; 5867 } 5868 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5869 /* 5870 * Must validate the ifa found is in 5871 * our ep 5872 */ 5873 struct sctp_laddr *laddr; 5874 int found = 0; 5875 5876 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5877 if (laddr->ifa == NULL) { 5878 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5879 __func__); 5880 continue; 5881 } 5882 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5883 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5884 continue; 5885 } 5886 if (laddr->ifa == ifa) { 5887 found = 1; 5888 break; 5889 } 5890 } 5891 if (!found) { 5892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5893 error = EINVAL; 5894 goto out_of_it; 5895 } 5896 } else { 5897 switch (addr->sa_family) { 5898 #ifdef INET 5899 case AF_INET: 5900 { 5901 struct sockaddr_in *sin; 5902 5903 sin = (struct sockaddr_in *)addr; 5904 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5905 &sin->sin_addr) != 0) { 5906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5907 error = EINVAL; 5908 goto out_of_it; 5909 } 5910 break; 5911 } 5912 #endif 5913 #ifdef INET6 5914 case AF_INET6: 5915 { 5916 struct sockaddr_in6 *sin6; 5917 5918 sin6 = (struct sockaddr_in6 *)addr; 5919 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5920 &sin6->sin6_addr) != 0) { 5921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5922 error = EINVAL; 5923 goto out_of_it; 5924 } 5925 break; 5926 } 5927 #endif 5928 default: 5929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5930 error = EINVAL; 5931 goto out_of_it; 5932 } 5933 } 5934 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5935 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5936 error = EINVAL; 5937 } 5938 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5939 out_of_it: 5940 SCTP_TCB_UNLOCK(stcb); 5941 } else { 5942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5943 error = EINVAL; 5944 } 5945 break; 5946 } 5947 case SCTP_BINDX_ADD_ADDR: 5948 { 5949 struct sockaddr *sa; 5950 struct thread *td; 5951 5952 td = (struct thread *)p; 5953 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5954 #ifdef INET 5955 if (sa->sa_family == AF_INET) { 5956 if (optsize < sizeof(struct sockaddr_in)) { 5957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5958 error = EINVAL; 5959 break; 5960 } 5961 if (td != NULL && 5962 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5963 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5964 break; 5965 } 5966 } else 5967 #endif 5968 #ifdef INET6 5969 if (sa->sa_family == AF_INET6) { 5970 if (optsize < sizeof(struct sockaddr_in6)) { 5971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5972 error = EINVAL; 5973 break; 5974 } 5975 if (td != NULL && 5976 (error = prison_local_ip6(td->td_ucred, 5977 &(((struct sockaddr_in6 *)sa)->sin6_addr), 5978 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5979 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5980 break; 5981 } 5982 } else 5983 #endif 5984 { 5985 error = EAFNOSUPPORT; 5986 break; 5987 } 5988 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 5989 break; 5990 } 5991 case SCTP_BINDX_REM_ADDR: 5992 { 5993 struct sockaddr *sa; 5994 struct thread *td; 5995 5996 td = (struct thread *)p; 5997 5998 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5999 #ifdef INET 6000 if (sa->sa_family == AF_INET) { 6001 if (optsize < sizeof(struct sockaddr_in)) { 6002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6003 error = EINVAL; 6004 break; 6005 } 6006 if (td != NULL && 6007 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6008 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6009 break; 6010 } 6011 } else 6012 #endif 6013 #ifdef INET6 6014 if (sa->sa_family == AF_INET6) { 6015 if (optsize < sizeof(struct sockaddr_in6)) { 6016 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6017 error = EINVAL; 6018 break; 6019 } 6020 if (td != NULL && 6021 (error = prison_local_ip6(td->td_ucred, 6022 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6023 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6024 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6025 break; 6026 } 6027 } else 6028 #endif 6029 { 6030 error = EAFNOSUPPORT; 6031 break; 6032 } 6033 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6034 break; 6035 } 6036 case SCTP_EVENT: 6037 { 6038 struct sctp_event *event; 6039 uint32_t event_type; 6040 6041 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6042 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6043 switch (event->se_type) { 6044 case SCTP_ASSOC_CHANGE: 6045 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6046 break; 6047 case SCTP_PEER_ADDR_CHANGE: 6048 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6049 break; 6050 case SCTP_REMOTE_ERROR: 6051 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6052 break; 6053 case SCTP_SEND_FAILED: 6054 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6055 break; 6056 case SCTP_SHUTDOWN_EVENT: 6057 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6058 break; 6059 case SCTP_ADAPTATION_INDICATION: 6060 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6061 break; 6062 case SCTP_PARTIAL_DELIVERY_EVENT: 6063 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6064 break; 6065 case SCTP_AUTHENTICATION_EVENT: 6066 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6067 break; 6068 case SCTP_STREAM_RESET_EVENT: 6069 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6070 break; 6071 case SCTP_SENDER_DRY_EVENT: 6072 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6073 break; 6074 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6075 event_type = 0; 6076 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6077 error = ENOTSUP; 6078 break; 6079 case SCTP_ASSOC_RESET_EVENT: 6080 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6081 break; 6082 case SCTP_STREAM_CHANGE_EVENT: 6083 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6084 break; 6085 case SCTP_SEND_FAILED_EVENT: 6086 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6087 break; 6088 default: 6089 event_type = 0; 6090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6091 error = EINVAL; 6092 break; 6093 } 6094 if (event_type > 0) { 6095 if (stcb) { 6096 if (event->se_on) { 6097 sctp_stcb_feature_on(inp, stcb, event_type); 6098 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6099 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6100 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6101 (stcb->asoc.stream_queue_cnt == 0)) { 6102 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6103 } 6104 } 6105 } else { 6106 sctp_stcb_feature_off(inp, stcb, event_type); 6107 } 6108 SCTP_TCB_UNLOCK(stcb); 6109 } else { 6110 /* 6111 * We don't want to send up a storm 6112 * of events, so return an error for 6113 * sender dry events 6114 */ 6115 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6116 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6117 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6118 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6119 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6120 error = ENOTSUP; 6121 break; 6122 } 6123 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6124 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6125 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6126 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6127 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6128 SCTP_INP_WLOCK(inp); 6129 if (event->se_on) { 6130 sctp_feature_on(inp, event_type); 6131 } else { 6132 sctp_feature_off(inp, event_type); 6133 } 6134 SCTP_INP_WUNLOCK(inp); 6135 } 6136 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6137 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6138 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6139 SCTP_INP_RLOCK(inp); 6140 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6141 SCTP_TCB_LOCK(stcb); 6142 if (event->se_on) { 6143 sctp_stcb_feature_on(inp, stcb, event_type); 6144 } else { 6145 sctp_stcb_feature_off(inp, stcb, event_type); 6146 } 6147 SCTP_TCB_UNLOCK(stcb); 6148 } 6149 SCTP_INP_RUNLOCK(inp); 6150 } 6151 } 6152 } else { 6153 if (stcb) { 6154 SCTP_TCB_UNLOCK(stcb); 6155 } 6156 } 6157 break; 6158 } 6159 case SCTP_RECVRCVINFO: 6160 { 6161 int *onoff; 6162 6163 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6164 SCTP_INP_WLOCK(inp); 6165 if (*onoff != 0) { 6166 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6167 } else { 6168 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6169 } 6170 SCTP_INP_WUNLOCK(inp); 6171 break; 6172 } 6173 case SCTP_RECVNXTINFO: 6174 { 6175 int *onoff; 6176 6177 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6178 SCTP_INP_WLOCK(inp); 6179 if (*onoff != 0) { 6180 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6181 } else { 6182 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6183 } 6184 SCTP_INP_WUNLOCK(inp); 6185 break; 6186 } 6187 case SCTP_DEFAULT_SNDINFO: 6188 { 6189 struct sctp_sndinfo *info; 6190 uint16_t policy; 6191 6192 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6193 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6194 6195 if (stcb) { 6196 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6197 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6198 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6199 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6200 stcb->asoc.def_send.sinfo_flags |= policy; 6201 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6202 stcb->asoc.def_send.sinfo_context = info->snd_context; 6203 } else { 6204 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6205 error = EINVAL; 6206 } 6207 SCTP_TCB_UNLOCK(stcb); 6208 } else { 6209 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6210 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6211 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6212 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6213 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6214 SCTP_INP_WLOCK(inp); 6215 inp->def_send.sinfo_stream = info->snd_sid; 6216 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6217 inp->def_send.sinfo_flags = info->snd_flags; 6218 inp->def_send.sinfo_flags |= policy; 6219 inp->def_send.sinfo_ppid = info->snd_ppid; 6220 inp->def_send.sinfo_context = info->snd_context; 6221 SCTP_INP_WUNLOCK(inp); 6222 } 6223 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6224 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6225 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6226 SCTP_INP_RLOCK(inp); 6227 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6228 SCTP_TCB_LOCK(stcb); 6229 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6230 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6231 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6232 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6233 stcb->asoc.def_send.sinfo_flags |= policy; 6234 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6235 stcb->asoc.def_send.sinfo_context = info->snd_context; 6236 } 6237 SCTP_TCB_UNLOCK(stcb); 6238 } 6239 SCTP_INP_RUNLOCK(inp); 6240 } 6241 } 6242 break; 6243 } 6244 case SCTP_DEFAULT_PRINFO: 6245 { 6246 struct sctp_default_prinfo *info; 6247 6248 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6249 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6250 6251 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6252 if (stcb) { 6253 SCTP_TCB_UNLOCK(stcb); 6254 } 6255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6256 error = EINVAL; 6257 break; 6258 } 6259 if (stcb) { 6260 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6261 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6262 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6263 SCTP_TCB_UNLOCK(stcb); 6264 } else { 6265 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6266 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6267 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6268 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6269 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6270 SCTP_INP_WLOCK(inp); 6271 inp->def_send.sinfo_flags &= 0xfff0; 6272 inp->def_send.sinfo_flags |= info->pr_policy; 6273 inp->def_send.sinfo_timetolive = info->pr_value; 6274 SCTP_INP_WUNLOCK(inp); 6275 } 6276 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6277 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6278 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6279 SCTP_INP_RLOCK(inp); 6280 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6281 SCTP_TCB_LOCK(stcb); 6282 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6283 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6284 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6285 SCTP_TCB_UNLOCK(stcb); 6286 } 6287 SCTP_INP_RUNLOCK(inp); 6288 } 6289 } 6290 break; 6291 } 6292 case SCTP_PEER_ADDR_THLDS: 6293 /* Applies to the specific association */ 6294 { 6295 struct sctp_paddrthlds *thlds; 6296 struct sctp_nets *net; 6297 struct sockaddr *addr; 6298 #if defined(INET) && defined(INET6) 6299 struct sockaddr_in sin_store; 6300 #endif 6301 6302 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6303 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6304 6305 #if defined(INET) && defined(INET6) 6306 if (thlds->spt_address.ss_family == AF_INET6) { 6307 struct sockaddr_in6 *sin6; 6308 6309 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6310 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6311 in6_sin6_2_sin(&sin_store, sin6); 6312 addr = (struct sockaddr *)&sin_store; 6313 } else { 6314 addr = (struct sockaddr *)&thlds->spt_address; 6315 } 6316 } else { 6317 addr = (struct sockaddr *)&thlds->spt_address; 6318 } 6319 #else 6320 addr = (struct sockaddr *)&thlds->spt_address; 6321 #endif 6322 if (stcb != NULL) { 6323 net = sctp_findnet(stcb, addr); 6324 } else { 6325 /* 6326 * We increment here since 6327 * sctp_findassociation_ep_addr() wil do a 6328 * decrement if it finds the stcb as long as 6329 * the locked tcb (last argument) is NOT a 6330 * TCB.. aka NULL. 6331 */ 6332 net = NULL; 6333 SCTP_INP_INCR_REF(inp); 6334 stcb = sctp_findassociation_ep_addr(&inp, addr, 6335 &net, NULL, NULL); 6336 if (stcb == NULL) { 6337 SCTP_INP_DECR_REF(inp); 6338 } 6339 } 6340 if ((stcb != NULL) && (net == NULL)) { 6341 #ifdef INET 6342 if (addr->sa_family == AF_INET) { 6343 struct sockaddr_in *sin; 6344 6345 sin = (struct sockaddr_in *)addr; 6346 if (sin->sin_addr.s_addr != INADDR_ANY) { 6347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6348 SCTP_TCB_UNLOCK(stcb); 6349 error = EINVAL; 6350 break; 6351 } 6352 } else 6353 #endif 6354 #ifdef INET6 6355 if (addr->sa_family == AF_INET6) { 6356 struct sockaddr_in6 *sin6; 6357 6358 sin6 = (struct sockaddr_in6 *)addr; 6359 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6360 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6361 SCTP_TCB_UNLOCK(stcb); 6362 error = EINVAL; 6363 break; 6364 } 6365 } else 6366 #endif 6367 { 6368 error = EAFNOSUPPORT; 6369 SCTP_TCB_UNLOCK(stcb); 6370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6371 break; 6372 } 6373 } 6374 if (thlds->spt_pathcpthld != 0xffff) { 6375 if (stcb != NULL) { 6376 SCTP_TCB_UNLOCK(stcb); 6377 } 6378 error = EINVAL; 6379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6380 break; 6381 } 6382 if (stcb != NULL) { 6383 if (net != NULL) { 6384 net->failure_threshold = thlds->spt_pathmaxrxt; 6385 net->pf_threshold = thlds->spt_pathpfthld; 6386 if (net->dest_state & SCTP_ADDR_PF) { 6387 if ((net->error_count > net->failure_threshold) || 6388 (net->error_count <= net->pf_threshold)) { 6389 net->dest_state &= ~SCTP_ADDR_PF; 6390 } 6391 } else { 6392 if ((net->error_count > net->pf_threshold) && 6393 (net->error_count <= net->failure_threshold)) { 6394 net->dest_state |= SCTP_ADDR_PF; 6395 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6396 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6397 stcb->sctp_ep, stcb, net, 6398 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6399 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6400 } 6401 } 6402 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6403 if (net->error_count > net->failure_threshold) { 6404 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6405 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6406 } 6407 } else { 6408 if (net->error_count <= net->failure_threshold) { 6409 net->dest_state |= SCTP_ADDR_REACHABLE; 6410 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6411 } 6412 } 6413 } else { 6414 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6415 net->failure_threshold = thlds->spt_pathmaxrxt; 6416 net->pf_threshold = thlds->spt_pathpfthld; 6417 if (net->dest_state & SCTP_ADDR_PF) { 6418 if ((net->error_count > net->failure_threshold) || 6419 (net->error_count <= net->pf_threshold)) { 6420 net->dest_state &= ~SCTP_ADDR_PF; 6421 } 6422 } else { 6423 if ((net->error_count > net->pf_threshold) && 6424 (net->error_count <= net->failure_threshold)) { 6425 net->dest_state |= SCTP_ADDR_PF; 6426 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6427 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6428 stcb->sctp_ep, stcb, net, 6429 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6430 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6431 } 6432 } 6433 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6434 if (net->error_count > net->failure_threshold) { 6435 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6436 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6437 } 6438 } else { 6439 if (net->error_count <= net->failure_threshold) { 6440 net->dest_state |= SCTP_ADDR_REACHABLE; 6441 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6442 } 6443 } 6444 } 6445 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6446 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6447 } 6448 SCTP_TCB_UNLOCK(stcb); 6449 } else { 6450 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6451 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6452 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6453 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6454 SCTP_INP_WLOCK(inp); 6455 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6456 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6457 SCTP_INP_WUNLOCK(inp); 6458 } else { 6459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6460 error = EINVAL; 6461 } 6462 } 6463 break; 6464 } 6465 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6466 { 6467 struct sctp_udpencaps *encaps; 6468 struct sctp_nets *net; 6469 struct sockaddr *addr; 6470 #if defined(INET) && defined(INET6) 6471 struct sockaddr_in sin_store; 6472 #endif 6473 6474 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6475 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6476 6477 #if defined(INET) && defined(INET6) 6478 if (encaps->sue_address.ss_family == AF_INET6) { 6479 struct sockaddr_in6 *sin6; 6480 6481 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6482 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6483 in6_sin6_2_sin(&sin_store, sin6); 6484 addr = (struct sockaddr *)&sin_store; 6485 } else { 6486 addr = (struct sockaddr *)&encaps->sue_address; 6487 } 6488 } else { 6489 addr = (struct sockaddr *)&encaps->sue_address; 6490 } 6491 #else 6492 addr = (struct sockaddr *)&encaps->sue_address; 6493 #endif 6494 if (stcb != NULL) { 6495 net = sctp_findnet(stcb, addr); 6496 } else { 6497 /* 6498 * We increment here since 6499 * sctp_findassociation_ep_addr() wil do a 6500 * decrement if it finds the stcb as long as 6501 * the locked tcb (last argument) is NOT a 6502 * TCB.. aka NULL. 6503 */ 6504 net = NULL; 6505 SCTP_INP_INCR_REF(inp); 6506 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6507 if (stcb == NULL) { 6508 SCTP_INP_DECR_REF(inp); 6509 } 6510 } 6511 if ((stcb != NULL) && (net == NULL)) { 6512 #ifdef INET 6513 if (addr->sa_family == AF_INET) { 6514 struct sockaddr_in *sin; 6515 6516 sin = (struct sockaddr_in *)addr; 6517 if (sin->sin_addr.s_addr != INADDR_ANY) { 6518 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6519 SCTP_TCB_UNLOCK(stcb); 6520 error = EINVAL; 6521 break; 6522 } 6523 } else 6524 #endif 6525 #ifdef INET6 6526 if (addr->sa_family == AF_INET6) { 6527 struct sockaddr_in6 *sin6; 6528 6529 sin6 = (struct sockaddr_in6 *)addr; 6530 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6531 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6532 SCTP_TCB_UNLOCK(stcb); 6533 error = EINVAL; 6534 break; 6535 } 6536 } else 6537 #endif 6538 { 6539 error = EAFNOSUPPORT; 6540 SCTP_TCB_UNLOCK(stcb); 6541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6542 break; 6543 } 6544 } 6545 6546 if (stcb != NULL) { 6547 if (net != NULL) { 6548 net->port = encaps->sue_port; 6549 } else { 6550 stcb->asoc.port = encaps->sue_port; 6551 } 6552 SCTP_TCB_UNLOCK(stcb); 6553 } else { 6554 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6555 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6556 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6557 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6558 SCTP_INP_WLOCK(inp); 6559 inp->sctp_ep.port = encaps->sue_port; 6560 SCTP_INP_WUNLOCK(inp); 6561 } else { 6562 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6563 error = EINVAL; 6564 } 6565 } 6566 break; 6567 } 6568 case SCTP_ECN_SUPPORTED: 6569 { 6570 struct sctp_assoc_value *av; 6571 6572 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6573 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6574 6575 if (stcb) { 6576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6577 error = EINVAL; 6578 SCTP_TCB_UNLOCK(stcb); 6579 } else { 6580 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6581 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6582 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6583 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6584 SCTP_INP_WLOCK(inp); 6585 if (av->assoc_value == 0) { 6586 inp->ecn_supported = 0; 6587 } else { 6588 inp->ecn_supported = 1; 6589 } 6590 SCTP_INP_WUNLOCK(inp); 6591 } else { 6592 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6593 error = EINVAL; 6594 } 6595 } 6596 break; 6597 } 6598 case SCTP_PR_SUPPORTED: 6599 { 6600 struct sctp_assoc_value *av; 6601 6602 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6603 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6604 6605 if (stcb) { 6606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6607 error = EINVAL; 6608 SCTP_TCB_UNLOCK(stcb); 6609 } else { 6610 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6611 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6612 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6613 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6614 SCTP_INP_WLOCK(inp); 6615 if (av->assoc_value == 0) { 6616 inp->prsctp_supported = 0; 6617 } else { 6618 inp->prsctp_supported = 1; 6619 } 6620 SCTP_INP_WUNLOCK(inp); 6621 } else { 6622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6623 error = EINVAL; 6624 } 6625 } 6626 break; 6627 } 6628 case SCTP_AUTH_SUPPORTED: 6629 { 6630 struct sctp_assoc_value *av; 6631 6632 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6633 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6634 6635 if (stcb) { 6636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6637 error = EINVAL; 6638 SCTP_TCB_UNLOCK(stcb); 6639 } else { 6640 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6641 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6642 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6643 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6644 if ((av->assoc_value == 0) && 6645 (inp->asconf_supported == 1)) { 6646 /* 6647 * AUTH is required for 6648 * ASCONF 6649 */ 6650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6651 error = EINVAL; 6652 } else { 6653 SCTP_INP_WLOCK(inp); 6654 if (av->assoc_value == 0) { 6655 inp->auth_supported = 0; 6656 } else { 6657 inp->auth_supported = 1; 6658 } 6659 SCTP_INP_WUNLOCK(inp); 6660 } 6661 } else { 6662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6663 error = EINVAL; 6664 } 6665 } 6666 break; 6667 } 6668 case SCTP_ASCONF_SUPPORTED: 6669 { 6670 struct sctp_assoc_value *av; 6671 6672 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6673 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6674 6675 if (stcb) { 6676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6677 error = EINVAL; 6678 SCTP_TCB_UNLOCK(stcb); 6679 } else { 6680 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6681 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6682 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6683 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6684 if ((av->assoc_value != 0) && 6685 (inp->auth_supported == 0)) { 6686 /* 6687 * AUTH is required for 6688 * ASCONF 6689 */ 6690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6691 error = EINVAL; 6692 } else { 6693 SCTP_INP_WLOCK(inp); 6694 if (av->assoc_value == 0) { 6695 inp->asconf_supported = 0; 6696 sctp_auth_delete_chunk(SCTP_ASCONF, 6697 inp->sctp_ep.local_auth_chunks); 6698 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6699 inp->sctp_ep.local_auth_chunks); 6700 } else { 6701 inp->asconf_supported = 1; 6702 sctp_auth_add_chunk(SCTP_ASCONF, 6703 inp->sctp_ep.local_auth_chunks); 6704 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6705 inp->sctp_ep.local_auth_chunks); 6706 } 6707 SCTP_INP_WUNLOCK(inp); 6708 } 6709 } else { 6710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6711 error = EINVAL; 6712 } 6713 } 6714 break; 6715 } 6716 case SCTP_RECONFIG_SUPPORTED: 6717 { 6718 struct sctp_assoc_value *av; 6719 6720 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6721 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6722 6723 if (stcb) { 6724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6725 error = EINVAL; 6726 SCTP_TCB_UNLOCK(stcb); 6727 } else { 6728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6729 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6730 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6731 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6732 SCTP_INP_WLOCK(inp); 6733 if (av->assoc_value == 0) { 6734 inp->reconfig_supported = 0; 6735 } else { 6736 inp->reconfig_supported = 1; 6737 } 6738 SCTP_INP_WUNLOCK(inp); 6739 } else { 6740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6741 error = EINVAL; 6742 } 6743 } 6744 break; 6745 } 6746 case SCTP_NRSACK_SUPPORTED: 6747 { 6748 struct sctp_assoc_value *av; 6749 6750 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6751 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6752 6753 if (stcb) { 6754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6755 error = EINVAL; 6756 SCTP_TCB_UNLOCK(stcb); 6757 } else { 6758 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6759 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6760 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6761 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6762 SCTP_INP_WLOCK(inp); 6763 if (av->assoc_value == 0) { 6764 inp->nrsack_supported = 0; 6765 } else { 6766 inp->nrsack_supported = 1; 6767 } 6768 SCTP_INP_WUNLOCK(inp); 6769 } else { 6770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6771 error = EINVAL; 6772 } 6773 } 6774 break; 6775 } 6776 case SCTP_PKTDROP_SUPPORTED: 6777 { 6778 struct sctp_assoc_value *av; 6779 6780 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6781 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6782 6783 if (stcb) { 6784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6785 error = EINVAL; 6786 SCTP_TCB_UNLOCK(stcb); 6787 } else { 6788 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6789 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6790 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6791 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6792 SCTP_INP_WLOCK(inp); 6793 if (av->assoc_value == 0) { 6794 inp->pktdrop_supported = 0; 6795 } else { 6796 inp->pktdrop_supported = 1; 6797 } 6798 SCTP_INP_WUNLOCK(inp); 6799 } else { 6800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6801 error = EINVAL; 6802 } 6803 } 6804 break; 6805 } 6806 case SCTP_MAX_CWND: 6807 { 6808 struct sctp_assoc_value *av; 6809 struct sctp_nets *net; 6810 6811 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6812 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6813 6814 if (stcb) { 6815 stcb->asoc.max_cwnd = av->assoc_value; 6816 if (stcb->asoc.max_cwnd > 0) { 6817 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6818 if ((net->cwnd > stcb->asoc.max_cwnd) && 6819 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6820 net->cwnd = stcb->asoc.max_cwnd; 6821 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6822 net->cwnd = net->mtu - sizeof(struct sctphdr); 6823 } 6824 } 6825 } 6826 } 6827 SCTP_TCB_UNLOCK(stcb); 6828 } else { 6829 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6830 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6831 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6832 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6833 SCTP_INP_WLOCK(inp); 6834 inp->max_cwnd = av->assoc_value; 6835 SCTP_INP_WUNLOCK(inp); 6836 } else { 6837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6838 error = EINVAL; 6839 } 6840 } 6841 break; 6842 } 6843 case SCTP_ACCEPT_ZERO_CHECKSUM: 6844 { 6845 uint32_t *value; 6846 6847 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 6848 if ((*value == SCTP_EDMID_NONE) || 6849 (*value == SCTP_EDMID_LOWER_LAYER_DTLS)) { 6850 SCTP_INP_WLOCK(inp); 6851 inp->rcv_edmid = *value; 6852 SCTP_INP_WUNLOCK(inp); 6853 } else { 6854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6855 error = EINVAL; 6856 } 6857 break; 6858 } 6859 6860 default: 6861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6862 error = ENOPROTOOPT; 6863 break; 6864 } /* end switch (opt) */ 6865 return (error); 6866 } 6867 6868 int 6869 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6870 { 6871 struct epoch_tracker et; 6872 struct sctp_inpcb *inp; 6873 void *optval = NULL; 6874 void *p; 6875 size_t optsize = 0; 6876 int error = 0; 6877 6878 if ((sopt->sopt_level == SOL_SOCKET) && 6879 (sopt->sopt_name == SO_SETFIB)) { 6880 inp = (struct sctp_inpcb *)so->so_pcb; 6881 if (inp == NULL) { 6882 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6883 return (EINVAL); 6884 } 6885 SCTP_INP_WLOCK(inp); 6886 inp->fibnum = so->so_fibnum; 6887 SCTP_INP_WUNLOCK(inp); 6888 return (0); 6889 } 6890 if (sopt->sopt_level != IPPROTO_SCTP) { 6891 /* wrong proto level... send back up to IP */ 6892 #ifdef INET6 6893 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6894 error = ip6_ctloutput(so, sopt); 6895 #endif /* INET6 */ 6896 #if defined(INET) && defined(INET6) 6897 else 6898 #endif 6899 #ifdef INET 6900 error = ip_ctloutput(so, sopt); 6901 #endif 6902 return (error); 6903 } 6904 optsize = sopt->sopt_valsize; 6905 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6906 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6907 return (ENOBUFS); 6908 } 6909 if (optsize) { 6910 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6911 if (optval == NULL) { 6912 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6913 return (ENOBUFS); 6914 } 6915 error = sooptcopyin(sopt, optval, optsize, optsize); 6916 if (error) { 6917 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6918 goto out; 6919 } 6920 } 6921 p = (void *)sopt->sopt_td; 6922 if (sopt->sopt_dir == SOPT_SET) { 6923 NET_EPOCH_ENTER(et); 6924 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6925 NET_EPOCH_EXIT(et); 6926 } else if (sopt->sopt_dir == SOPT_GET) { 6927 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6928 } else { 6929 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6930 error = EINVAL; 6931 } 6932 if ((error == 0) && (optval != NULL)) { 6933 error = sooptcopyout(sopt, optval, optsize); 6934 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6935 } else if (optval != NULL) { 6936 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6937 } 6938 out: 6939 return (error); 6940 } 6941 6942 #ifdef INET 6943 static int 6944 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6945 { 6946 struct epoch_tracker et; 6947 int error = 0; 6948 int create_lock_on = 0; 6949 uint32_t vrf_id; 6950 struct sctp_inpcb *inp; 6951 struct sctp_tcb *stcb = NULL; 6952 6953 inp = (struct sctp_inpcb *)so->so_pcb; 6954 if (inp == NULL) { 6955 /* I made the same as TCP since we are not setup? */ 6956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6957 return (ECONNRESET); 6958 } 6959 if (addr == NULL) { 6960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6961 return EINVAL; 6962 } 6963 6964 switch (addr->sa_family) { 6965 #ifdef INET6 6966 case AF_INET6: 6967 { 6968 struct sockaddr_in6 *sin6; 6969 6970 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6972 return (EINVAL); 6973 } 6974 sin6 = (struct sockaddr_in6 *)addr; 6975 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 6976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6977 return (error); 6978 } 6979 break; 6980 } 6981 #endif 6982 #ifdef INET 6983 case AF_INET: 6984 { 6985 struct sockaddr_in *sin; 6986 6987 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6989 return (EINVAL); 6990 } 6991 sin = (struct sockaddr_in *)addr; 6992 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 6993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6994 return (error); 6995 } 6996 break; 6997 } 6998 #endif 6999 default: 7000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 7001 return (EAFNOSUPPORT); 7002 } 7003 SCTP_INP_INCR_REF(inp); 7004 SCTP_ASOC_CREATE_LOCK(inp); 7005 create_lock_on = 1; 7006 NET_EPOCH_ENTER(et); 7007 7008 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 7009 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 7010 /* Should I really unlock ? */ 7011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 7012 error = EFAULT; 7013 goto out_now; 7014 } 7015 #ifdef INET6 7016 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 7017 (addr->sa_family == AF_INET6)) { 7018 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7019 error = EINVAL; 7020 goto out_now; 7021 } 7022 #endif 7023 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7024 /* Bind a ephemeral port */ 7025 error = sctp_inpcb_bind(so, NULL, NULL, p); 7026 if (error) { 7027 goto out_now; 7028 } 7029 } 7030 /* Now do we connect? */ 7031 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7032 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7034 error = EINVAL; 7035 goto out_now; 7036 } 7037 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7038 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7039 /* We are already connected AND the TCP model */ 7040 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7041 error = EADDRINUSE; 7042 goto out_now; 7043 } 7044 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7045 SCTP_INP_RLOCK(inp); 7046 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7047 SCTP_INP_RUNLOCK(inp); 7048 } else { 7049 /* 7050 * We increment here since sctp_findassociation_ep_addr() 7051 * will do a decrement if it finds the stcb as long as the 7052 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7053 */ 7054 SCTP_INP_INCR_REF(inp); 7055 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7056 if (stcb == NULL) { 7057 SCTP_INP_DECR_REF(inp); 7058 } else { 7059 SCTP_TCB_UNLOCK(stcb); 7060 } 7061 } 7062 if (stcb != NULL) { 7063 /* Already have or am bring up an association */ 7064 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7065 error = EALREADY; 7066 goto out_now; 7067 } 7068 7069 vrf_id = inp->def_vrf_id; 7070 /* We are GOOD to go */ 7071 stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id, 7072 inp->sctp_ep.pre_open_stream_count, 7073 inp->sctp_ep.port, p, 7074 SCTP_INITIALIZE_AUTH_PARAMS); 7075 if (stcb == NULL) { 7076 /* Gak! no memory */ 7077 goto out_now; 7078 } 7079 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7080 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7081 7082 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7083 SCTP_TCB_UNLOCK(stcb); 7084 out_now: 7085 NET_EPOCH_EXIT(et); 7086 if (create_lock_on) { 7087 SCTP_ASOC_CREATE_UNLOCK(inp); 7088 } 7089 SCTP_INP_DECR_REF(inp); 7090 return (error); 7091 } 7092 #endif 7093 7094 int 7095 sctp_listen(struct socket *so, int backlog, struct thread *p) 7096 { 7097 /* 7098 * Note this module depends on the protocol processing being called 7099 * AFTER any socket level flags and backlog are applied to the 7100 * socket. The traditional way that the socket flags are applied is 7101 * AFTER protocol processing. We have made a change to the 7102 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7103 * place if the socket API for SCTP is to work properly. 7104 */ 7105 7106 int error = 0; 7107 struct sctp_inpcb *inp; 7108 7109 inp = (struct sctp_inpcb *)so->so_pcb; 7110 if (inp == NULL) { 7111 /* I made the same as TCP since we are not setup? */ 7112 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7113 return (ECONNRESET); 7114 } 7115 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7116 /* See if we have a listener */ 7117 struct sctp_inpcb *tinp; 7118 union sctp_sockstore store; 7119 7120 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7121 /* not bound all */ 7122 struct sctp_laddr *laddr; 7123 7124 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7125 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7126 switch (store.sa.sa_family) { 7127 #ifdef INET 7128 case AF_INET: 7129 store.sin.sin_port = inp->sctp_lport; 7130 break; 7131 #endif 7132 #ifdef INET6 7133 case AF_INET6: 7134 store.sin6.sin6_port = inp->sctp_lport; 7135 break; 7136 #endif 7137 default: 7138 break; 7139 } 7140 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7141 if (tinp && (tinp != inp) && 7142 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7143 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7144 (SCTP_IS_LISTENING(tinp))) { 7145 /* 7146 * we have a listener already and 7147 * its not this inp. 7148 */ 7149 SCTP_INP_DECR_REF(tinp); 7150 return (EADDRINUSE); 7151 } else if (tinp) { 7152 SCTP_INP_DECR_REF(tinp); 7153 } 7154 } 7155 } else { 7156 /* Setup a local addr bound all */ 7157 memset(&store, 0, sizeof(store)); 7158 #ifdef INET6 7159 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7160 store.sa.sa_family = AF_INET6; 7161 store.sa.sa_len = sizeof(struct sockaddr_in6); 7162 } 7163 #endif 7164 #ifdef INET 7165 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7166 store.sa.sa_family = AF_INET; 7167 store.sa.sa_len = sizeof(struct sockaddr_in); 7168 } 7169 #endif 7170 switch (store.sa.sa_family) { 7171 #ifdef INET 7172 case AF_INET: 7173 store.sin.sin_port = inp->sctp_lport; 7174 break; 7175 #endif 7176 #ifdef INET6 7177 case AF_INET6: 7178 store.sin6.sin6_port = inp->sctp_lport; 7179 break; 7180 #endif 7181 default: 7182 break; 7183 } 7184 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7185 if (tinp && (tinp != inp) && 7186 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7187 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7188 (SCTP_IS_LISTENING(tinp))) { 7189 /* 7190 * we have a listener already and its not 7191 * this inp. 7192 */ 7193 SCTP_INP_DECR_REF(tinp); 7194 return (EADDRINUSE); 7195 } else if (tinp) { 7196 SCTP_INP_DECR_REF(tinp); 7197 } 7198 } 7199 } 7200 SCTP_INP_INFO_WLOCK(); 7201 SCTP_INP_WLOCK(inp); 7202 #ifdef SCTP_LOCK_LOGGING 7203 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7204 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7205 } 7206 #endif 7207 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7208 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7209 /* 7210 * The unlucky case - We are in the tcp pool with this guy. 7211 * - Someone else is in the main inp slot. - We must move 7212 * this guy (the listener) to the main slot - We must then 7213 * move the guy that was listener to the TCP Pool. 7214 */ 7215 if (sctp_swap_inpcb_for_listen(inp)) { 7216 error = EADDRINUSE; 7217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7218 goto out; 7219 } 7220 } 7221 SOCK_LOCK(so); 7222 error = solisten_proto_check(so); 7223 if (error) { 7224 SOCK_UNLOCK(so); 7225 goto out; 7226 } 7227 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7228 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7229 SOCK_UNLOCK(so); 7230 solisten_proto_abort(so); 7231 error = EADDRINUSE; 7232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7233 goto out; 7234 } 7235 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7236 ((inp->sctp_flags & SCTP_PCB_FLAGS_WAS_CONNECTED) || 7237 (inp->sctp_flags & SCTP_PCB_FLAGS_WAS_ABORTED))) { 7238 SOCK_UNLOCK(so); 7239 solisten_proto_abort(so); 7240 error = EINVAL; 7241 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7242 goto out; 7243 } 7244 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7245 if ((error = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) { 7246 SOCK_UNLOCK(so); 7247 solisten_proto_abort(so); 7248 /* bind error, probably perm */ 7249 goto out; 7250 } 7251 } 7252 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7253 solisten_proto(so, backlog); 7254 SOCK_UNLOCK(so); 7255 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7256 } else { 7257 solisten_proto_abort(so); 7258 SOCK_UNLOCK(so); 7259 if (backlog > 0) { 7260 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7261 } else { 7262 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7263 } 7264 } 7265 out: 7266 SCTP_INP_WUNLOCK(inp); 7267 SCTP_INP_INFO_WUNLOCK(); 7268 return (error); 7269 } 7270 7271 static int sctp_defered_wakeup_cnt = 0; 7272 7273 int 7274 sctp_accept(struct socket *so, struct sockaddr **addr) 7275 { 7276 struct sctp_tcb *stcb; 7277 struct sctp_inpcb *inp; 7278 union sctp_sockstore store; 7279 #ifdef INET6 7280 int error; 7281 #endif 7282 inp = (struct sctp_inpcb *)so->so_pcb; 7283 7284 if (inp == NULL) { 7285 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7286 return (ECONNRESET); 7287 } 7288 SCTP_INP_WLOCK(inp); 7289 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7290 SCTP_INP_WUNLOCK(inp); 7291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7292 return (EOPNOTSUPP); 7293 } 7294 if (so->so_state & SS_ISDISCONNECTED) { 7295 SCTP_INP_WUNLOCK(inp); 7296 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7297 return (ECONNABORTED); 7298 } 7299 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7300 if (stcb == NULL) { 7301 SCTP_INP_WUNLOCK(inp); 7302 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7303 return (ECONNRESET); 7304 } 7305 SCTP_TCB_LOCK(stcb); 7306 store = stcb->asoc.primary_destination->ro._l_addr; 7307 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7308 /* Wake any delayed sleep action */ 7309 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7310 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7311 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7312 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7313 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7314 if (sowriteable(inp->sctp_socket)) { 7315 sowwakeup_locked(inp->sctp_socket); 7316 } else { 7317 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7318 } 7319 } 7320 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7321 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7322 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7323 if (soreadable(inp->sctp_socket)) { 7324 sctp_defered_wakeup_cnt++; 7325 sorwakeup_locked(inp->sctp_socket); 7326 } else { 7327 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7328 } 7329 } 7330 } 7331 SCTP_INP_WUNLOCK(inp); 7332 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7333 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7334 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7335 } else { 7336 SCTP_TCB_UNLOCK(stcb); 7337 } 7338 switch (store.sa.sa_family) { 7339 #ifdef INET 7340 case AF_INET: 7341 { 7342 struct sockaddr_in *sin; 7343 7344 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7345 if (sin == NULL) 7346 return (ENOMEM); 7347 sin->sin_family = AF_INET; 7348 sin->sin_len = sizeof(*sin); 7349 sin->sin_port = store.sin.sin_port; 7350 sin->sin_addr = store.sin.sin_addr; 7351 *addr = (struct sockaddr *)sin; 7352 break; 7353 } 7354 #endif 7355 #ifdef INET6 7356 case AF_INET6: 7357 { 7358 struct sockaddr_in6 *sin6; 7359 7360 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7361 if (sin6 == NULL) 7362 return (ENOMEM); 7363 sin6->sin6_family = AF_INET6; 7364 sin6->sin6_len = sizeof(*sin6); 7365 sin6->sin6_port = store.sin6.sin6_port; 7366 sin6->sin6_addr = store.sin6.sin6_addr; 7367 if ((error = sa6_recoverscope(sin6)) != 0) { 7368 SCTP_FREE_SONAME(sin6); 7369 return (error); 7370 } 7371 *addr = (struct sockaddr *)sin6; 7372 break; 7373 } 7374 #endif 7375 default: 7376 /* TSNH */ 7377 break; 7378 } 7379 return (0); 7380 } 7381 7382 #ifdef INET 7383 int 7384 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7385 { 7386 struct sockaddr_in *sin; 7387 uint32_t vrf_id; 7388 struct sctp_inpcb *inp; 7389 struct sctp_ifa *sctp_ifa; 7390 7391 /* 7392 * Do the malloc first in case it blocks. 7393 */ 7394 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7395 if (sin == NULL) 7396 return (ENOMEM); 7397 sin->sin_family = AF_INET; 7398 sin->sin_len = sizeof(*sin); 7399 inp = (struct sctp_inpcb *)so->so_pcb; 7400 if (!inp) { 7401 SCTP_FREE_SONAME(sin); 7402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7403 return (ECONNRESET); 7404 } 7405 SCTP_INP_RLOCK(inp); 7406 sin->sin_port = inp->sctp_lport; 7407 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7408 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7409 struct sctp_tcb *stcb; 7410 struct sockaddr_in *sin_a; 7411 struct sctp_nets *net; 7412 int fnd; 7413 7414 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7415 if (stcb == NULL) { 7416 goto notConn; 7417 } 7418 fnd = 0; 7419 sin_a = NULL; 7420 SCTP_TCB_LOCK(stcb); 7421 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7422 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7423 if (sin_a == NULL) 7424 /* this will make coverity happy */ 7425 continue; 7426 7427 if (sin_a->sin_family == AF_INET) { 7428 fnd = 1; 7429 break; 7430 } 7431 } 7432 if ((!fnd) || (sin_a == NULL)) { 7433 /* punt */ 7434 SCTP_TCB_UNLOCK(stcb); 7435 goto notConn; 7436 } 7437 7438 vrf_id = inp->def_vrf_id; 7439 sctp_ifa = sctp_source_address_selection(inp, 7440 stcb, 7441 (sctp_route_t *)&net->ro, 7442 net, 0, vrf_id); 7443 if (sctp_ifa) { 7444 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7445 sctp_free_ifa(sctp_ifa); 7446 } 7447 SCTP_TCB_UNLOCK(stcb); 7448 } else { 7449 /* For the bound all case you get back 0 */ 7450 notConn: 7451 sin->sin_addr.s_addr = 0; 7452 } 7453 7454 } else { 7455 /* Take the first IPv4 address in the list */ 7456 struct sctp_laddr *laddr; 7457 int fnd = 0; 7458 7459 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7460 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7461 struct sockaddr_in *sin_a; 7462 7463 sin_a = &laddr->ifa->address.sin; 7464 sin->sin_addr = sin_a->sin_addr; 7465 fnd = 1; 7466 break; 7467 } 7468 } 7469 if (!fnd) { 7470 SCTP_FREE_SONAME(sin); 7471 SCTP_INP_RUNLOCK(inp); 7472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7473 return (ENOENT); 7474 } 7475 } 7476 SCTP_INP_RUNLOCK(inp); 7477 (*addr) = (struct sockaddr *)sin; 7478 return (0); 7479 } 7480 7481 int 7482 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7483 { 7484 struct sockaddr_in *sin; 7485 int fnd; 7486 struct sockaddr_in *sin_a; 7487 struct sctp_inpcb *inp; 7488 struct sctp_tcb *stcb; 7489 struct sctp_nets *net; 7490 7491 /* Do the malloc first in case it blocks. */ 7492 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7493 if (sin == NULL) 7494 return (ENOMEM); 7495 sin->sin_family = AF_INET; 7496 sin->sin_len = sizeof(*sin); 7497 7498 inp = (struct sctp_inpcb *)so->so_pcb; 7499 if ((inp == NULL) || 7500 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7501 /* UDP type and listeners will drop out here */ 7502 SCTP_FREE_SONAME(sin); 7503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7504 return (ENOTCONN); 7505 } 7506 SCTP_INP_RLOCK(inp); 7507 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7508 if (stcb) { 7509 SCTP_TCB_LOCK(stcb); 7510 } 7511 SCTP_INP_RUNLOCK(inp); 7512 if (stcb == NULL) { 7513 SCTP_FREE_SONAME(sin); 7514 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7515 return (ECONNRESET); 7516 } 7517 fnd = 0; 7518 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7519 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7520 if (sin_a->sin_family == AF_INET) { 7521 fnd = 1; 7522 sin->sin_port = stcb->rport; 7523 sin->sin_addr = sin_a->sin_addr; 7524 break; 7525 } 7526 } 7527 SCTP_TCB_UNLOCK(stcb); 7528 if (!fnd) { 7529 /* No IPv4 address */ 7530 SCTP_FREE_SONAME(sin); 7531 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7532 return (ENOENT); 7533 } 7534 (*addr) = (struct sockaddr *)sin; 7535 return (0); 7536 } 7537 7538 #define SCTP_PROTOSW \ 7539 .pr_protocol = IPPROTO_SCTP, \ 7540 .pr_ctloutput = sctp_ctloutput, \ 7541 .pr_abort = sctp_abort, \ 7542 .pr_accept = sctp_accept, \ 7543 .pr_attach = sctp_attach, \ 7544 .pr_bind = sctp_bind, \ 7545 .pr_connect = sctp_connect, \ 7546 .pr_control = in_control, \ 7547 .pr_close = sctp_close, \ 7548 .pr_detach = sctp_close, \ 7549 .pr_sopoll = sopoll_generic, \ 7550 .pr_flush = sctp_flush, \ 7551 .pr_disconnect = sctp_disconnect, \ 7552 .pr_listen = sctp_listen, \ 7553 .pr_peeraddr = sctp_peeraddr, \ 7554 .pr_send = sctp_sendm, \ 7555 .pr_shutdown = sctp_shutdown, \ 7556 .pr_sockaddr = sctp_ingetaddr, \ 7557 .pr_sosend = sctp_sosend, \ 7558 .pr_soreceive = sctp_soreceive \ 7559 7560 struct protosw sctp_seqpacket_protosw = { 7561 .pr_type = SOCK_SEQPACKET, 7562 .pr_flags = PR_WANTRCVD, 7563 SCTP_PROTOSW 7564 }; 7565 7566 struct protosw sctp_stream_protosw = { 7567 .pr_type = SOCK_STREAM, 7568 .pr_flags = PR_CONNREQUIRED | PR_WANTRCVD, 7569 SCTP_PROTOSW 7570 }; 7571 #endif 7572