1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <netinet/sctp_os.h> 39 #include <sys/proc.h> 40 #include <netinet/sctp_pcb.h> 41 #include <netinet/sctp_header.h> 42 #include <netinet/sctp_var.h> 43 #ifdef INET6 44 #include <netinet6/sctp6_var.h> 45 #endif 46 #include <netinet/sctp_sysctl.h> 47 #include <netinet/sctp_output.h> 48 #include <netinet/sctp_uio.h> 49 #include <netinet/sctp_asconf.h> 50 #include <netinet/sctputil.h> 51 #include <netinet/sctp_indata.h> 52 #include <netinet/sctp_timer.h> 53 #include <netinet/sctp_auth.h> 54 #include <netinet/sctp_bsd_addr.h> 55 #include <netinet/udp.h> 56 #include <sys/eventhandler.h> 57 58 extern const struct sctp_cc_functions sctp_cc_functions[]; 59 extern const struct sctp_ss_functions sctp_ss_functions[]; 60 61 static void 62 sctp_init(void *arg SCTP_UNUSED) 63 { 64 u_long sb_max_adj; 65 66 /* Initialize and modify the sysctled variables */ 67 sctp_init_sysctls(); 68 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 69 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 70 /* 71 * Allow a user to take no more than 1/2 the number of clusters or 72 * the SB_MAX, whichever is smaller, for the send window. 73 */ 74 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 75 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 76 (((uint32_t)nmbclusters / 2) * MCLBYTES)); 77 /* 78 * Now for the recv window, should we take the same amount? or 79 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 80 * now I will just copy. 81 */ 82 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 83 SCTP_BASE_VAR(first_time) = 0; 84 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 85 sctp_pcb_init(); 86 #if defined(SCTP_PACKET_LOGGING) 87 SCTP_BASE_VAR(packet_log_writers) = 0; 88 SCTP_BASE_VAR(packet_log_end) = 0; 89 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 90 #endif 91 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, 92 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); 93 } 94 95 VNET_SYSINIT(sctp_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_THIRD, sctp_init, NULL); 96 97 #ifdef VIMAGE 98 static void 99 sctp_finish(void *unused __unused) 100 { 101 EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag)); 102 sctp_pcb_finish(); 103 } 104 105 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 106 #endif 107 108 void 109 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint32_t mtu, bool resend) 110 { 111 struct sctp_association *asoc; 112 struct sctp_tmit_chunk *chk; 113 uint32_t overhead; 114 115 asoc = &stcb->asoc; 116 KASSERT(mtu < asoc->smallest_mtu, 117 ("Currently only reducing association MTU %u supported (MTU %u)", 118 asoc->smallest_mtu, mtu)); 119 asoc->smallest_mtu = mtu; 120 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 121 overhead = SCTP_MIN_OVERHEAD; 122 } else { 123 overhead = SCTP_MIN_V4_OVERHEAD; 124 } 125 if (asoc->idata_supported) { 126 if (sctp_auth_is_required_chunk(SCTP_IDATA, asoc->peer_auth_chunks)) { 127 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 128 } 129 } else { 130 if (sctp_auth_is_required_chunk(SCTP_DATA, asoc->peer_auth_chunks)) { 131 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 132 } 133 } 134 KASSERT(overhead % 4 == 0, 135 ("overhead (%u) not a multiple of 4", overhead)); 136 TAILQ_FOREACH(chk, &asoc->send_queue, sctp_next) { 137 if (((uint32_t)chk->send_size + overhead) > mtu) { 138 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 139 } 140 } 141 TAILQ_FOREACH(chk, &asoc->sent_queue, sctp_next) { 142 if (((uint32_t)chk->send_size + overhead) > mtu) { 143 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 144 if (resend && chk->sent < SCTP_DATAGRAM_RESEND) { 145 /* 146 * If requested, mark the chunk for 147 * immediate resend, since we sent it being 148 * too big. 149 */ 150 sctp_flight_size_decrease(chk); 151 sctp_total_flight_decrease(stcb, chk); 152 chk->sent = SCTP_DATAGRAM_RESEND; 153 sctp_ucount_incr(asoc->sent_queue_retran_cnt); 154 chk->rec.data.doing_fast_retransmit = 0; 155 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 156 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 157 chk->whoTo->flight_size, 158 chk->book_size, 159 (uint32_t)(uintptr_t)chk->whoTo, 160 chk->rec.data.tsn); 161 } 162 /* Clear any time, so NO RTT is being done. */ 163 if (chk->do_rtt == 1) { 164 chk->do_rtt = 0; 165 chk->whoTo->rto_needed = 1; 166 } 167 } 168 } 169 } 170 } 171 172 #ifdef INET 173 void 174 sctp_notify(struct sctp_inpcb *inp, 175 struct sctp_tcb *stcb, 176 struct sctp_nets *net, 177 uint8_t icmp_type, 178 uint8_t icmp_code, 179 uint16_t ip_len, 180 uint32_t next_mtu) 181 { 182 int timer_stopped; 183 184 if (icmp_type != ICMP_UNREACH) { 185 /* We only care about unreachable */ 186 SCTP_TCB_UNLOCK(stcb); 187 return; 188 } 189 if ((icmp_code == ICMP_UNREACH_NET) || 190 (icmp_code == ICMP_UNREACH_HOST) || 191 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 192 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 193 (icmp_code == ICMP_UNREACH_ISOLATED) || 194 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 195 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 196 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 197 /* Mark the net unreachable. */ 198 if (net->dest_state & SCTP_ADDR_REACHABLE) { 199 /* OK, that destination is NOT reachable. */ 200 net->dest_state &= ~SCTP_ADDR_REACHABLE; 201 net->dest_state &= ~SCTP_ADDR_PF; 202 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 203 stcb, 0, 204 (void *)net, SCTP_SO_NOT_LOCKED); 205 } 206 SCTP_TCB_UNLOCK(stcb); 207 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 208 (icmp_code == ICMP_UNREACH_PORT)) { 209 /* Treat it like an ABORT. */ 210 sctp_abort_notification(stcb, true, false, 0, NULL, SCTP_SO_NOT_LOCKED); 211 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 212 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 213 /* no need to unlock here, since the TCB is gone */ 214 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 215 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 216 SCTP_TCB_UNLOCK(stcb); 217 return; 218 } 219 /* Find the next (smaller) MTU */ 220 if (next_mtu == 0) { 221 /* 222 * Old type router that does not tell us what the 223 * next MTU is. Rats we will have to guess (in a 224 * educated fashion of course). 225 */ 226 next_mtu = sctp_get_prev_mtu(ip_len); 227 } 228 /* Stop the PMTU timer. */ 229 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 230 timer_stopped = 1; 231 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 232 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 233 } else { 234 timer_stopped = 0; 235 } 236 /* Update the path MTU. */ 237 if (net->port) { 238 next_mtu -= sizeof(struct udphdr); 239 } 240 if (net->mtu > next_mtu) { 241 net->mtu = next_mtu; 242 if (net->port) { 243 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 244 } else { 245 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 246 } 247 } 248 /* Update the association MTU */ 249 if (stcb->asoc.smallest_mtu > next_mtu) { 250 sctp_pathmtu_adjustment(stcb, next_mtu, true); 251 } 252 /* Finally, start the PMTU timer if it was running before. */ 253 if (timer_stopped) { 254 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 255 } 256 SCTP_TCB_UNLOCK(stcb); 257 } else { 258 SCTP_TCB_UNLOCK(stcb); 259 } 260 } 261 262 void 263 sctp_ctlinput(struct icmp *icmp) 264 { 265 struct ip *inner_ip, *outer_ip; 266 struct sctphdr *sh; 267 struct sctp_inpcb *inp; 268 struct sctp_tcb *stcb; 269 struct sctp_nets *net; 270 struct sctp_init_chunk *ch; 271 struct sockaddr_in src, dst; 272 273 if (icmp_errmap(icmp) == 0) 274 return; 275 276 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 277 inner_ip = &icmp->icmp_ip; 278 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 279 memset(&src, 0, sizeof(struct sockaddr_in)); 280 src.sin_family = AF_INET; 281 src.sin_len = sizeof(struct sockaddr_in); 282 src.sin_port = sh->src_port; 283 src.sin_addr = inner_ip->ip_src; 284 memset(&dst, 0, sizeof(struct sockaddr_in)); 285 dst.sin_family = AF_INET; 286 dst.sin_len = sizeof(struct sockaddr_in); 287 dst.sin_port = sh->dest_port; 288 dst.sin_addr = inner_ip->ip_dst; 289 /* 290 * 'dst' holds the dest of the packet that failed to be 291 * sent. 'src' holds our local endpoint address. Thus we 292 * reverse the dst and the src in the lookup. 293 */ 294 inp = NULL; 295 net = NULL; 296 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 297 (struct sockaddr *)&src, 298 &inp, &net, 1, 299 SCTP_DEFAULT_VRFID); 300 if ((stcb != NULL) && 301 (net != NULL) && 302 (inp != NULL)) { 303 /* Check the verification tag */ 304 if (ntohl(sh->v_tag) != 0) { 305 /* 306 * This must be the verification tag used 307 * for sending out packets. We don't 308 * consider packets reflecting the 309 * verification tag. 310 */ 311 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 312 SCTP_TCB_UNLOCK(stcb); 313 return; 314 } 315 } else { 316 if (ntohs(outer_ip->ip_len) >= 317 sizeof(struct ip) + 318 8 + (inner_ip->ip_hl << 2) + 20) { 319 /* 320 * In this case we can check if we 321 * got an INIT chunk and if the 322 * initiate tag matches. 323 */ 324 ch = (struct sctp_init_chunk *)(sh + 1); 325 if ((ch->ch.chunk_type != SCTP_INITIATION) || 326 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 327 SCTP_TCB_UNLOCK(stcb); 328 return; 329 } 330 } else { 331 SCTP_TCB_UNLOCK(stcb); 332 return; 333 } 334 } 335 sctp_notify(inp, stcb, net, 336 icmp->icmp_type, 337 icmp->icmp_code, 338 ntohs(inner_ip->ip_len), 339 (uint32_t)ntohs(icmp->icmp_nextmtu)); 340 } else { 341 if ((stcb == NULL) && (inp != NULL)) { 342 /* reduce ref-count */ 343 SCTP_INP_WLOCK(inp); 344 SCTP_INP_DECR_REF(inp); 345 SCTP_INP_WUNLOCK(inp); 346 } 347 if (stcb) { 348 SCTP_TCB_UNLOCK(stcb); 349 } 350 } 351 } 352 #endif 353 354 static int 355 sctp_getcred(SYSCTL_HANDLER_ARGS) 356 { 357 struct xucred xuc; 358 struct sockaddr_in addrs[2]; 359 struct sctp_inpcb *inp; 360 struct sctp_nets *net; 361 struct sctp_tcb *stcb; 362 int error; 363 uint32_t vrf_id; 364 365 /* FIX, for non-bsd is this right? */ 366 vrf_id = SCTP_DEFAULT_VRFID; 367 368 error = priv_check(req->td, PRIV_NETINET_GETCRED); 369 370 if (error) 371 return (error); 372 373 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 374 if (error) 375 return (error); 376 377 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 378 sintosa(&addrs[0]), 379 &inp, &net, 1, vrf_id); 380 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 381 if ((inp != NULL) && (stcb == NULL)) { 382 /* reduce ref-count */ 383 SCTP_INP_WLOCK(inp); 384 SCTP_INP_DECR_REF(inp); 385 goto cred_can_cont; 386 } 387 388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 389 error = ENOENT; 390 goto out; 391 } 392 SCTP_TCB_UNLOCK(stcb); 393 /* 394 * We use the write lock here, only since in the error leg we need 395 * it. If we used RLOCK, then we would have to 396 * wlock/decr/unlock/rlock. Which in theory could create a hole. 397 * Better to use higher wlock. 398 */ 399 SCTP_INP_WLOCK(inp); 400 cred_can_cont: 401 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 402 if (error) { 403 SCTP_INP_WUNLOCK(inp); 404 goto out; 405 } 406 cru2x(inp->sctp_socket->so_cred, &xuc); 407 SCTP_INP_WUNLOCK(inp); 408 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 409 out: 410 return (error); 411 } 412 413 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 414 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 415 0, 0, sctp_getcred, "S,ucred", 416 "Get the ucred of a SCTP connection"); 417 418 #ifdef INET 419 static void 420 sctp_abort(struct socket *so) 421 { 422 struct epoch_tracker et; 423 struct sctp_inpcb *inp; 424 425 inp = (struct sctp_inpcb *)so->so_pcb; 426 if (inp == NULL) { 427 return; 428 } 429 430 SCTP_INP_WLOCK(inp); 431 NET_EPOCH_ENTER(et); 432 #ifdef SCTP_LOG_CLOSING 433 sctp_log_closing(inp, NULL, 17); 434 #endif 435 if (((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0)) { 436 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 437 #ifdef SCTP_LOG_CLOSING 438 sctp_log_closing(inp, NULL, 16); 439 #endif 440 SCTP_INP_WUNLOCK(inp); 441 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 442 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 443 SOCK_LOCK(so); 444 KASSERT(!SOLISTENING(so), 445 ("sctp_abort: called on listening socket %p", so)); 446 SCTP_SB_CLEAR(so->so_snd); 447 SCTP_SB_CLEAR(so->so_rcv); 448 /* Now null out the reference, we are completely detached. */ 449 so->so_pcb = NULL; 450 SOCK_UNLOCK(so); 451 } else { 452 SCTP_INP_WUNLOCK(inp); 453 } 454 NET_EPOCH_EXIT(et); 455 } 456 457 static int 458 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 459 { 460 struct sctp_inpcb *inp; 461 struct inpcb *ip_inp; 462 int error; 463 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 464 465 inp = (struct sctp_inpcb *)so->so_pcb; 466 if (inp != NULL) { 467 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 468 return (EINVAL); 469 } 470 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 471 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 472 if (error) { 473 return (error); 474 } 475 } 476 error = sctp_inpcb_alloc(so, vrf_id); 477 if (error) { 478 return (error); 479 } 480 inp = (struct sctp_inpcb *)so->so_pcb; 481 SCTP_INP_WLOCK(inp); 482 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 483 ip_inp = &inp->ip_inp.inp; 484 ip_inp->inp_vflag |= INP_IPV4; 485 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 486 SCTP_INP_WUNLOCK(inp); 487 return (0); 488 } 489 490 static int 491 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 492 { 493 struct sctp_inpcb *inp; 494 495 inp = (struct sctp_inpcb *)so->so_pcb; 496 if (inp == NULL) { 497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 498 return (EINVAL); 499 } 500 if (addr != NULL) { 501 if ((addr->sa_family != AF_INET) || 502 (addr->sa_len != sizeof(struct sockaddr_in))) { 503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 504 return (EINVAL); 505 } 506 } 507 return (sctp_inpcb_bind(so, addr, NULL, p)); 508 } 509 510 #endif 511 void 512 sctp_close(struct socket *so) 513 { 514 struct epoch_tracker et; 515 struct sctp_inpcb *inp; 516 517 inp = (struct sctp_inpcb *)so->so_pcb; 518 if (inp == NULL) 519 return; 520 521 /* 522 * Inform all the lower layer assoc that we are done. 523 */ 524 SCTP_INP_WLOCK(inp); 525 NET_EPOCH_ENTER(et); 526 #ifdef SCTP_LOG_CLOSING 527 sctp_log_closing(inp, NULL, 17); 528 #endif 529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 530 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 531 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 532 (SCTP_SBAVAIL(&so->so_rcv) > 0)) { 533 #ifdef SCTP_LOG_CLOSING 534 sctp_log_closing(inp, NULL, 13); 535 #endif 536 SCTP_INP_WUNLOCK(inp); 537 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 538 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 539 } else { 540 #ifdef SCTP_LOG_CLOSING 541 sctp_log_closing(inp, NULL, 14); 542 #endif 543 SCTP_INP_WUNLOCK(inp); 544 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 545 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 546 } 547 /* 548 * The socket is now detached, no matter what the state of 549 * the SCTP association. 550 */ 551 SOCK_LOCK(so); 552 if (!SOLISTENING(so)) { 553 SCTP_SB_CLEAR(so->so_snd); 554 SCTP_SB_CLEAR(so->so_rcv); 555 } 556 /* Now null out the reference, we are completely detached. */ 557 so->so_pcb = NULL; 558 SOCK_UNLOCK(so); 559 } else { 560 SCTP_INP_WUNLOCK(inp); 561 } 562 NET_EPOCH_EXIT(et); 563 } 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 int 570 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 571 struct mbuf *control, struct thread *p) 572 { 573 struct sctp_inpcb *inp; 574 int error; 575 576 inp = (struct sctp_inpcb *)so->so_pcb; 577 if (inp == NULL) { 578 if (control) { 579 sctp_m_freem(control); 580 control = NULL; 581 } 582 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 583 sctp_m_freem(m); 584 return (EINVAL); 585 } 586 /* Got to have an to address if we are NOT a connected socket */ 587 if ((addr == NULL) && 588 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 589 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 590 goto connected_type; 591 } 592 593 error = 0; 594 if (addr == NULL) { 595 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 596 error = EDESTADDRREQ; 597 } else if (addr->sa_family != AF_INET) { 598 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 599 error = EAFNOSUPPORT; 600 } else if (addr->sa_len != sizeof(struct sockaddr_in)) { 601 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 602 error = EINVAL; 603 } 604 if (error != 0) { 605 sctp_m_freem(m); 606 if (control) { 607 sctp_m_freem(control); 608 control = NULL; 609 } 610 return (error); 611 } 612 connected_type: 613 /* now what about control */ 614 if (control) { 615 if (inp->control) { 616 sctp_m_freem(inp->control); 617 inp->control = NULL; 618 } 619 inp->control = control; 620 } 621 /* Place the data */ 622 if (inp->pkt) { 623 SCTP_BUF_NEXT(inp->pkt_last) = m; 624 inp->pkt_last = m; 625 } else { 626 inp->pkt_last = inp->pkt = m; 627 } 628 if ( 629 /* FreeBSD uses a flag passed */ 630 ((flags & PRUS_MORETOCOME) == 0) 631 ) { 632 /* 633 * note with the current version this code will only be used 634 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 635 * re-defining sosend to use the sctp_sosend. One can 636 * optionally switch back to this code (by changing back the 637 * definitions) but this is not advisable. This code is used 638 * by FreeBSD when sending a file with sendfile() though. 639 */ 640 struct epoch_tracker et; 641 int ret; 642 643 NET_EPOCH_ENTER(et); 644 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 645 NET_EPOCH_EXIT(et); 646 inp->pkt = NULL; 647 inp->control = NULL; 648 return (ret); 649 } else { 650 return (0); 651 } 652 } 653 654 int 655 sctp_disconnect(struct socket *so) 656 { 657 struct sctp_inpcb *inp; 658 659 inp = (struct sctp_inpcb *)so->so_pcb; 660 if (inp == NULL) { 661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 662 return (ENOTCONN); 663 } 664 SCTP_INP_RLOCK(inp); 665 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 666 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 667 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 668 /* No connection */ 669 SCTP_INP_RUNLOCK(inp); 670 return (0); 671 } else { 672 struct epoch_tracker et; 673 struct sctp_association *asoc; 674 struct sctp_tcb *stcb; 675 676 stcb = LIST_FIRST(&inp->sctp_asoc_list); 677 if (stcb == NULL) { 678 SCTP_INP_RUNLOCK(inp); 679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 680 return (EINVAL); 681 } 682 SCTP_TCB_LOCK(stcb); 683 asoc = &stcb->asoc; 684 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 685 /* We are about to be freed, out of here */ 686 SCTP_TCB_UNLOCK(stcb); 687 SCTP_INP_RUNLOCK(inp); 688 return (0); 689 } 690 NET_EPOCH_ENTER(et); 691 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 692 (SCTP_SBAVAIL(&so->so_rcv) > 0)) { 693 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 694 /* Left with Data unread */ 695 struct mbuf *op_err; 696 697 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 698 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 699 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 700 } 701 SCTP_INP_RUNLOCK(inp); 702 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 703 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 704 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 705 } 706 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 707 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 708 /* No unlock tcb assoc is gone */ 709 NET_EPOCH_EXIT(et); 710 return (0); 711 } 712 if (TAILQ_EMPTY(&asoc->send_queue) && 713 TAILQ_EMPTY(&asoc->sent_queue) && 714 (asoc->stream_queue_cnt == 0)) { 715 /* there is nothing queued to send, so done */ 716 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 717 goto abort_anyway; 718 } 719 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 720 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 721 /* only send SHUTDOWN 1st time thru */ 722 struct sctp_nets *netp; 723 724 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 725 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 726 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 727 } 728 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 729 sctp_stop_timers_for_shutdown(stcb); 730 if (stcb->asoc.alternate) { 731 netp = stcb->asoc.alternate; 732 } else { 733 netp = stcb->asoc.primary_destination; 734 } 735 sctp_send_shutdown(stcb, netp); 736 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 737 stcb->sctp_ep, stcb, netp); 738 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 739 stcb->sctp_ep, stcb, NULL); 740 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 741 } 742 } else { 743 /* 744 * we still got (or just got) data to send, 745 * so set SHUTDOWN_PENDING 746 */ 747 /* 748 * XXX sockets draft says that SCTP_EOF 749 * should be sent with no data. currently, 750 * we will allow user data to be sent first 751 * and move to SHUTDOWN-PENDING 752 */ 753 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 754 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 755 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 756 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 757 } 758 if (TAILQ_EMPTY(&asoc->send_queue) && 759 TAILQ_EMPTY(&asoc->sent_queue) && 760 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 761 struct mbuf *op_err; 762 763 abort_anyway: 764 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 765 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 766 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 767 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 768 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 769 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 770 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 771 } 772 SCTP_INP_RUNLOCK(inp); 773 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 774 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 775 NET_EPOCH_EXIT(et); 776 return (0); 777 } else { 778 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 779 } 780 } 781 soisdisconnecting(so); 782 NET_EPOCH_EXIT(et); 783 SCTP_TCB_UNLOCK(stcb); 784 SCTP_INP_RUNLOCK(inp); 785 return (0); 786 } 787 /* not reached */ 788 } else { 789 /* UDP model does not support this */ 790 SCTP_INP_RUNLOCK(inp); 791 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 792 return (EOPNOTSUPP); 793 } 794 } 795 796 int 797 sctp_flush(struct socket *so, int how) 798 { 799 /* 800 * We will just clear out the values and let subsequent close clear 801 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 802 * they will not be able to read the data, the socket will block 803 * that from happening. 804 */ 805 struct sctp_inpcb *inp; 806 807 inp = (struct sctp_inpcb *)so->so_pcb; 808 if (inp == NULL) { 809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 810 return (EINVAL); 811 } 812 SCTP_INP_RLOCK(inp); 813 /* For the 1 to many model this does nothing */ 814 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 815 SCTP_INP_RUNLOCK(inp); 816 return (0); 817 } 818 SCTP_INP_RUNLOCK(inp); 819 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 820 /* 821 * First make sure the sb will be happy, we don't use these 822 * except maybe the count 823 */ 824 SCTP_INP_WLOCK(inp); 825 SCTP_INP_READ_LOCK(inp); 826 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 827 SCTP_INP_READ_UNLOCK(inp); 828 SCTP_INP_WUNLOCK(inp); 829 SOCK_LOCK(so); 830 KASSERT(!SOLISTENING(so), 831 ("sctp_flush: called on listening socket %p", so)); 832 SCTP_SB_CLEAR(so->so_rcv); 833 SOCK_UNLOCK(so); 834 } 835 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 836 /* 837 * First make sure the sb will be happy, we don't use these 838 * except maybe the count 839 */ 840 SOCK_LOCK(so); 841 KASSERT(!SOLISTENING(so), 842 ("sctp_flush: called on listening socket %p", so)); 843 SCTP_SB_CLEAR(so->so_snd); 844 SOCK_UNLOCK(so); 845 } 846 return (0); 847 } 848 849 int 850 sctp_shutdown(struct socket *so) 851 { 852 struct sctp_inpcb *inp; 853 854 inp = (struct sctp_inpcb *)so->so_pcb; 855 if (inp == NULL) { 856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 857 return (EINVAL); 858 } 859 SCTP_INP_RLOCK(inp); 860 /* For UDP model this is a invalid call */ 861 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 862 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 863 /* Restore the flags that the soshutdown took away. */ 864 SOCKBUF_LOCK(&so->so_rcv); 865 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 866 SOCKBUF_UNLOCK(&so->so_rcv); 867 /* This proc will wakeup for read and do nothing (I hope) */ 868 SCTP_INP_RUNLOCK(inp); 869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 870 return (EOPNOTSUPP); 871 } else { 872 /* 873 * Ok, if we reach here its the TCP model and it is either a 874 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 875 * against it. 876 */ 877 struct epoch_tracker et; 878 struct sctp_tcb *stcb; 879 struct sctp_association *asoc; 880 struct sctp_nets *netp; 881 882 if ((so->so_state & 883 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 884 SCTP_INP_RUNLOCK(inp); 885 return (ENOTCONN); 886 } 887 socantsendmore(so); 888 889 stcb = LIST_FIRST(&inp->sctp_asoc_list); 890 if (stcb == NULL) { 891 /* 892 * Ok, we hit the case that the shutdown call was 893 * made after an abort or something. Nothing to do 894 * now. 895 */ 896 SCTP_INP_RUNLOCK(inp); 897 return (0); 898 } 899 SCTP_TCB_LOCK(stcb); 900 asoc = &stcb->asoc; 901 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 902 SCTP_TCB_UNLOCK(stcb); 903 SCTP_INP_RUNLOCK(inp); 904 return (0); 905 } 906 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 907 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 908 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 909 /* 910 * If we are not in or before ESTABLISHED, there is 911 * no protocol action required. 912 */ 913 SCTP_TCB_UNLOCK(stcb); 914 SCTP_INP_RUNLOCK(inp); 915 return (0); 916 } 917 NET_EPOCH_ENTER(et); 918 if (stcb->asoc.alternate) { 919 netp = stcb->asoc.alternate; 920 } else { 921 netp = stcb->asoc.primary_destination; 922 } 923 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 924 TAILQ_EMPTY(&asoc->send_queue) && 925 TAILQ_EMPTY(&asoc->sent_queue) && 926 (asoc->stream_queue_cnt == 0)) { 927 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 928 goto abort_anyway; 929 } 930 /* there is nothing queued to send, so I'm done... */ 931 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 932 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 933 sctp_stop_timers_for_shutdown(stcb); 934 sctp_send_shutdown(stcb, netp); 935 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 936 stcb->sctp_ep, stcb, netp); 937 } else { 938 /* 939 * We still got (or just got) data to send, so set 940 * SHUTDOWN_PENDING. 941 */ 942 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 943 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 944 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 945 } 946 if (TAILQ_EMPTY(&asoc->send_queue) && 947 TAILQ_EMPTY(&asoc->sent_queue) && 948 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 949 struct mbuf *op_err; 950 951 abort_anyway: 952 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 953 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 954 SCTP_INP_RUNLOCK(inp); 955 sctp_abort_an_association(stcb->sctp_ep, stcb, 956 op_err, false, SCTP_SO_LOCKED); 957 NET_EPOCH_EXIT(et); 958 return (0); 959 } 960 } 961 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 962 /* 963 * XXX: Why do this in the case where we have still data 964 * queued? 965 */ 966 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 967 SCTP_TCB_UNLOCK(stcb); 968 SCTP_INP_RUNLOCK(inp); 969 NET_EPOCH_EXIT(et); 970 return (0); 971 } 972 } 973 974 /* 975 * copies a "user" presentable address and removes embedded scope, etc. 976 * returns 0 on success, 1 on error 977 */ 978 static uint32_t 979 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 980 { 981 #ifdef INET6 982 struct sockaddr_in6 lsa6; 983 984 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 985 &lsa6); 986 #endif 987 memcpy(dst, src, src->sa_len); 988 return (0); 989 } 990 991 static size_t 992 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 993 struct sctp_tcb *stcb, 994 size_t limit, 995 struct sockaddr *addr, 996 uint32_t vrf_id) 997 { 998 struct sctp_ifn *sctp_ifn; 999 struct sctp_ifa *sctp_ifa; 1000 size_t actual; 1001 int loopback_scope; 1002 #if defined(INET) 1003 int ipv4_local_scope, ipv4_addr_legal; 1004 #endif 1005 #if defined(INET6) 1006 int local_scope, site_scope, ipv6_addr_legal; 1007 #endif 1008 struct sctp_vrf *vrf; 1009 1010 SCTP_IPI_ADDR_LOCK_ASSERT(); 1011 actual = 0; 1012 if (limit == 0) 1013 return (actual); 1014 1015 if (stcb) { 1016 /* Turn on all the appropriate scope */ 1017 loopback_scope = stcb->asoc.scope.loopback_scope; 1018 #if defined(INET) 1019 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1020 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1021 #endif 1022 #if defined(INET6) 1023 local_scope = stcb->asoc.scope.local_scope; 1024 site_scope = stcb->asoc.scope.site_scope; 1025 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1026 #endif 1027 } else { 1028 /* Use generic values for endpoints. */ 1029 loopback_scope = 1; 1030 #if defined(INET) 1031 ipv4_local_scope = 1; 1032 #endif 1033 #if defined(INET6) 1034 local_scope = 1; 1035 site_scope = 1; 1036 #endif 1037 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1038 #if defined(INET6) 1039 ipv6_addr_legal = 1; 1040 #endif 1041 #if defined(INET) 1042 if (SCTP_IPV6_V6ONLY(inp)) { 1043 ipv4_addr_legal = 0; 1044 } else { 1045 ipv4_addr_legal = 1; 1046 } 1047 #endif 1048 } else { 1049 #if defined(INET6) 1050 ipv6_addr_legal = 0; 1051 #endif 1052 #if defined(INET) 1053 ipv4_addr_legal = 1; 1054 #endif 1055 } 1056 } 1057 vrf = sctp_find_vrf(vrf_id); 1058 if (vrf == NULL) { 1059 return (0); 1060 } 1061 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1062 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1063 if ((loopback_scope == 0) && 1064 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1065 /* Skip loopback if loopback_scope not set */ 1066 continue; 1067 } 1068 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1069 if (stcb) { 1070 /* 1071 * For the BOUND-ALL case, the list 1072 * associated with a TCB is Always 1073 * considered a reverse list.. i.e. 1074 * it lists addresses that are NOT 1075 * part of the association. If this 1076 * is one of those we must skip it. 1077 */ 1078 if (sctp_is_addr_restricted(stcb, 1079 sctp_ifa)) { 1080 continue; 1081 } 1082 } 1083 switch (sctp_ifa->address.sa.sa_family) { 1084 #ifdef INET 1085 case AF_INET: 1086 if (ipv4_addr_legal) { 1087 struct sockaddr_in *sin; 1088 1089 sin = &sctp_ifa->address.sin; 1090 if (sin->sin_addr.s_addr == 0) { 1091 /* 1092 * we skip 1093 * unspecified 1094 * addresses 1095 */ 1096 continue; 1097 } 1098 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1099 &sin->sin_addr) != 0) { 1100 continue; 1101 } 1102 if ((ipv4_local_scope == 0) && 1103 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1104 continue; 1105 } 1106 #ifdef INET6 1107 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1108 if (actual + sizeof(struct sockaddr_in6) > limit) { 1109 return (actual); 1110 } 1111 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr); 1112 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1113 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1114 actual += sizeof(struct sockaddr_in6); 1115 } else { 1116 #endif 1117 if (actual + sizeof(struct sockaddr_in) > limit) { 1118 return (actual); 1119 } 1120 memcpy(addr, sin, sizeof(struct sockaddr_in)); 1121 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1122 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); 1123 actual += sizeof(struct sockaddr_in); 1124 #ifdef INET6 1125 } 1126 #endif 1127 } else { 1128 continue; 1129 } 1130 break; 1131 #endif 1132 #ifdef INET6 1133 case AF_INET6: 1134 if (ipv6_addr_legal) { 1135 struct sockaddr_in6 *sin6; 1136 1137 sin6 = &sctp_ifa->address.sin6; 1138 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1139 /* 1140 * we skip 1141 * unspecified 1142 * addresses 1143 */ 1144 continue; 1145 } 1146 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1147 &sin6->sin6_addr) != 0) { 1148 continue; 1149 } 1150 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1151 if (local_scope == 0) 1152 continue; 1153 if (sin6->sin6_scope_id == 0) { 1154 if (sa6_recoverscope(sin6) != 0) 1155 /* 1156 * 1157 * bad 1158 * link 1159 * 1160 * local 1161 * 1162 * address 1163 */ 1164 continue; 1165 } 1166 } 1167 if ((site_scope == 0) && 1168 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1169 continue; 1170 } 1171 if (actual + sizeof(struct sockaddr_in6) > limit) { 1172 return (actual); 1173 } 1174 memcpy(addr, sin6, sizeof(struct sockaddr_in6)); 1175 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1176 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1177 actual += sizeof(struct sockaddr_in6); 1178 } else { 1179 continue; 1180 } 1181 break; 1182 #endif 1183 default: 1184 /* TSNH */ 1185 break; 1186 } 1187 } 1188 } 1189 } else { 1190 struct sctp_laddr *laddr; 1191 size_t sa_len; 1192 1193 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1194 if (stcb) { 1195 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1196 continue; 1197 } 1198 } 1199 sa_len = laddr->ifa->address.sa.sa_len; 1200 if (actual + sa_len > limit) { 1201 return (actual); 1202 } 1203 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) 1204 continue; 1205 switch (laddr->ifa->address.sa.sa_family) { 1206 #ifdef INET 1207 case AF_INET: 1208 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1209 break; 1210 #endif 1211 #ifdef INET6 1212 case AF_INET6: 1213 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1214 break; 1215 #endif 1216 default: 1217 /* TSNH */ 1218 break; 1219 } 1220 addr = (struct sockaddr *)((caddr_t)addr + sa_len); 1221 actual += sa_len; 1222 } 1223 } 1224 return (actual); 1225 } 1226 1227 static size_t 1228 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1229 struct sctp_tcb *stcb, 1230 size_t limit, 1231 struct sockaddr *addr) 1232 { 1233 size_t size; 1234 1235 SCTP_IPI_ADDR_RLOCK(); 1236 /* fill up addresses for the endpoint's default vrf */ 1237 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, 1238 inp->def_vrf_id); 1239 SCTP_IPI_ADDR_RUNLOCK(); 1240 return (size); 1241 } 1242 1243 static size_t 1244 sctp_max_size_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1245 { 1246 struct sctp_vrf *vrf; 1247 size_t size; 1248 1249 /* 1250 * In both sub-set bound an bound_all cases we return the size of 1251 * the maximum number of addresses that you could get. In reality 1252 * the sub-set bound may have an exclusion list for a given TCB or 1253 * in the bound-all case a TCB may NOT include the loopback or other 1254 * addresses as well. 1255 */ 1256 SCTP_IPI_ADDR_LOCK_ASSERT(); 1257 vrf = sctp_find_vrf(vrf_id); 1258 if (vrf == NULL) { 1259 return (0); 1260 } 1261 size = 0; 1262 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1263 struct sctp_ifn *sctp_ifn; 1264 struct sctp_ifa *sctp_ifa; 1265 1266 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1267 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1268 /* Count them if they are the right type */ 1269 switch (sctp_ifa->address.sa.sa_family) { 1270 #ifdef INET 1271 case AF_INET: 1272 #ifdef INET6 1273 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1274 size += sizeof(struct sockaddr_in6); 1275 else 1276 size += sizeof(struct sockaddr_in); 1277 #else 1278 size += sizeof(struct sockaddr_in); 1279 #endif 1280 break; 1281 #endif 1282 #ifdef INET6 1283 case AF_INET6: 1284 size += sizeof(struct sockaddr_in6); 1285 break; 1286 #endif 1287 default: 1288 break; 1289 } 1290 } 1291 } 1292 } else { 1293 struct sctp_laddr *laddr; 1294 1295 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1296 switch (laddr->ifa->address.sa.sa_family) { 1297 #ifdef INET 1298 case AF_INET: 1299 #ifdef INET6 1300 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1301 size += sizeof(struct sockaddr_in6); 1302 else 1303 size += sizeof(struct sockaddr_in); 1304 #else 1305 size += sizeof(struct sockaddr_in); 1306 #endif 1307 break; 1308 #endif 1309 #ifdef INET6 1310 case AF_INET6: 1311 size += sizeof(struct sockaddr_in6); 1312 break; 1313 #endif 1314 default: 1315 break; 1316 } 1317 } 1318 } 1319 return (size); 1320 } 1321 1322 static size_t 1323 sctp_max_size_addresses(struct sctp_inpcb *inp) 1324 { 1325 size_t size; 1326 1327 SCTP_IPI_ADDR_RLOCK(); 1328 /* Maximum size of all addresses for the endpoint's default VRF */ 1329 size = sctp_max_size_addresses_vrf(inp, inp->def_vrf_id); 1330 SCTP_IPI_ADDR_RUNLOCK(); 1331 return (size); 1332 } 1333 1334 static int 1335 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1336 size_t optsize, void *p, int delay) 1337 { 1338 int error; 1339 int creat_lock_on = 0; 1340 struct sctp_tcb *stcb = NULL; 1341 struct sockaddr *sa; 1342 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1343 uint32_t vrf_id; 1344 sctp_assoc_t *a_id; 1345 1346 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1347 1348 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1349 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1350 /* We are already connected AND the TCP model */ 1351 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1352 return (EADDRINUSE); 1353 } 1354 1355 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1356 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1357 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1358 return (EINVAL); 1359 } 1360 1361 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1362 SCTP_INP_RLOCK(inp); 1363 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1364 SCTP_INP_RUNLOCK(inp); 1365 } 1366 if (stcb) { 1367 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1368 return (EALREADY); 1369 } 1370 SCTP_INP_INCR_REF(inp); 1371 SCTP_ASOC_CREATE_LOCK(inp); 1372 creat_lock_on = 1; 1373 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1374 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1375 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1376 error = EFAULT; 1377 goto out_now; 1378 } 1379 totaddrp = (unsigned int *)optval; 1380 totaddr = *totaddrp; 1381 sa = (struct sockaddr *)(totaddrp + 1); 1382 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1383 if (error != 0) { 1384 /* Already have or am bring up an association */ 1385 SCTP_ASOC_CREATE_UNLOCK(inp); 1386 creat_lock_on = 0; 1387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1388 goto out_now; 1389 } 1390 #ifdef INET6 1391 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1392 (num_v6 > 0)) { 1393 error = EINVAL; 1394 goto out_now; 1395 } 1396 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1397 (num_v4 > 0)) { 1398 if (SCTP_IPV6_V6ONLY(inp)) { 1399 /* 1400 * if IPV6_V6ONLY flag, ignore connections destined 1401 * to a v4 addr or v4-mapped addr 1402 */ 1403 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1404 error = EINVAL; 1405 goto out_now; 1406 } 1407 } 1408 #endif /* INET6 */ 1409 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 1410 /* Bind a ephemeral port */ 1411 error = sctp_inpcb_bind(so, NULL, NULL, p); 1412 if (error) { 1413 goto out_now; 1414 } 1415 } 1416 1417 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1418 vrf_id = inp->def_vrf_id; 1419 1420 /* We are GOOD to go */ 1421 stcb = sctp_aloc_assoc_connected(inp, sa, &error, 0, 0, vrf_id, 1422 inp->sctp_ep.pre_open_stream_count, 1423 inp->sctp_ep.port, 1424 (struct thread *)p, 1425 SCTP_INITIALIZE_AUTH_PARAMS); 1426 if (stcb == NULL) { 1427 /* Gak! no memory */ 1428 goto out_now; 1429 } 1430 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1431 /* move to second address */ 1432 switch (sa->sa_family) { 1433 #ifdef INET 1434 case AF_INET: 1435 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1436 break; 1437 #endif 1438 #ifdef INET6 1439 case AF_INET6: 1440 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1441 break; 1442 #endif 1443 default: 1444 break; 1445 } 1446 1447 error = 0; 1448 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1449 /* Fill in the return id */ 1450 if (error) { 1451 goto out_now; 1452 } 1453 a_id = (sctp_assoc_t *)optval; 1454 *a_id = sctp_get_associd(stcb); 1455 1456 if (delay) { 1457 /* doing delayed connection */ 1458 stcb->asoc.delayed_connection = 1; 1459 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1460 } else { 1461 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1462 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1463 } 1464 SCTP_TCB_UNLOCK(stcb); 1465 out_now: 1466 if (creat_lock_on) { 1467 SCTP_ASOC_CREATE_UNLOCK(inp); 1468 } 1469 SCTP_INP_DECR_REF(inp); 1470 return (error); 1471 } 1472 1473 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1475 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1476 SCTP_INP_RLOCK(inp); \ 1477 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1478 if (stcb) { \ 1479 SCTP_TCB_LOCK(stcb); \ 1480 } \ 1481 SCTP_INP_RUNLOCK(inp); \ 1482 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1483 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1484 if (stcb == NULL) { \ 1485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1486 error = ENOENT; \ 1487 break; \ 1488 } \ 1489 } else { \ 1490 stcb = NULL; \ 1491 } \ 1492 } 1493 1494 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1495 if (size < sizeof(type)) { \ 1496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1497 error = EINVAL; \ 1498 break; \ 1499 } else { \ 1500 destp = (type *)srcp; \ 1501 } \ 1502 } 1503 1504 static int 1505 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1506 void *p) 1507 { 1508 struct sctp_inpcb *inp = NULL; 1509 int error, val = 0; 1510 struct sctp_tcb *stcb = NULL; 1511 1512 if (optval == NULL) { 1513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1514 return (EINVAL); 1515 } 1516 1517 inp = (struct sctp_inpcb *)so->so_pcb; 1518 if (inp == NULL) { 1519 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1520 return EINVAL; 1521 } 1522 error = 0; 1523 1524 switch (optname) { 1525 case SCTP_NODELAY: 1526 case SCTP_AUTOCLOSE: 1527 case SCTP_EXPLICIT_EOR: 1528 case SCTP_AUTO_ASCONF: 1529 case SCTP_DISABLE_FRAGMENTS: 1530 case SCTP_I_WANT_MAPPED_V4_ADDR: 1531 case SCTP_USE_EXT_RCVINFO: 1532 SCTP_INP_RLOCK(inp); 1533 switch (optname) { 1534 case SCTP_DISABLE_FRAGMENTS: 1535 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1536 break; 1537 case SCTP_I_WANT_MAPPED_V4_ADDR: 1538 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1539 break; 1540 case SCTP_AUTO_ASCONF: 1541 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1542 /* only valid for bound all sockets */ 1543 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1544 } else { 1545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1546 error = EINVAL; 1547 goto flags_out; 1548 } 1549 break; 1550 case SCTP_EXPLICIT_EOR: 1551 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1552 break; 1553 case SCTP_NODELAY: 1554 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1555 break; 1556 case SCTP_USE_EXT_RCVINFO: 1557 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1558 break; 1559 case SCTP_AUTOCLOSE: 1560 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1561 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1562 else 1563 val = 0; 1564 break; 1565 1566 default: 1567 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1568 error = ENOPROTOOPT; 1569 } /* end switch (sopt->sopt_name) */ 1570 if (*optsize < sizeof(val)) { 1571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1572 error = EINVAL; 1573 } 1574 flags_out: 1575 SCTP_INP_RUNLOCK(inp); 1576 if (error == 0) { 1577 /* return the option value */ 1578 *(int *)optval = val; 1579 *optsize = sizeof(val); 1580 } 1581 break; 1582 case SCTP_GET_PACKET_LOG: 1583 { 1584 #ifdef SCTP_PACKET_LOGGING 1585 uint8_t *target; 1586 int ret; 1587 1588 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1589 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1590 *optsize = ret; 1591 #else 1592 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1593 error = EOPNOTSUPP; 1594 #endif 1595 break; 1596 } 1597 case SCTP_REUSE_PORT: 1598 { 1599 uint32_t *value; 1600 1601 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1602 /* Can't do this for a 1-m socket */ 1603 error = EINVAL; 1604 break; 1605 } 1606 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1607 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1608 *optsize = sizeof(uint32_t); 1609 break; 1610 } 1611 case SCTP_PARTIAL_DELIVERY_POINT: 1612 { 1613 uint32_t *value; 1614 1615 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1616 *value = inp->partial_delivery_point; 1617 *optsize = sizeof(uint32_t); 1618 break; 1619 } 1620 case SCTP_FRAGMENT_INTERLEAVE: 1621 { 1622 uint32_t *value; 1623 1624 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1625 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1626 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1627 *value = SCTP_FRAG_LEVEL_2; 1628 } else { 1629 *value = SCTP_FRAG_LEVEL_1; 1630 } 1631 } else { 1632 *value = SCTP_FRAG_LEVEL_0; 1633 } 1634 *optsize = sizeof(uint32_t); 1635 break; 1636 } 1637 case SCTP_INTERLEAVING_SUPPORTED: 1638 { 1639 struct sctp_assoc_value *av; 1640 1641 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1642 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1643 1644 if (stcb) { 1645 av->assoc_value = stcb->asoc.idata_supported; 1646 SCTP_TCB_UNLOCK(stcb); 1647 } else { 1648 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1649 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1650 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1651 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1652 SCTP_INP_RLOCK(inp); 1653 if (inp->idata_supported) { 1654 av->assoc_value = 1; 1655 } else { 1656 av->assoc_value = 0; 1657 } 1658 SCTP_INP_RUNLOCK(inp); 1659 } else { 1660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1661 error = EINVAL; 1662 } 1663 } 1664 if (error == 0) { 1665 *optsize = sizeof(struct sctp_assoc_value); 1666 } 1667 break; 1668 } 1669 case SCTP_CMT_ON_OFF: 1670 { 1671 struct sctp_assoc_value *av; 1672 1673 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1674 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1675 if (stcb) { 1676 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1677 SCTP_TCB_UNLOCK(stcb); 1678 } else { 1679 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1680 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1681 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1682 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1683 SCTP_INP_RLOCK(inp); 1684 av->assoc_value = inp->sctp_cmt_on_off; 1685 SCTP_INP_RUNLOCK(inp); 1686 } else { 1687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1688 error = EINVAL; 1689 } 1690 } 1691 if (error == 0) { 1692 *optsize = sizeof(struct sctp_assoc_value); 1693 } 1694 break; 1695 } 1696 case SCTP_PLUGGABLE_CC: 1697 { 1698 struct sctp_assoc_value *av; 1699 1700 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1701 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1702 if (stcb) { 1703 av->assoc_value = stcb->asoc.congestion_control_module; 1704 SCTP_TCB_UNLOCK(stcb); 1705 } else { 1706 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1707 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1708 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1709 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1710 SCTP_INP_RLOCK(inp); 1711 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1712 SCTP_INP_RUNLOCK(inp); 1713 } else { 1714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1715 error = EINVAL; 1716 } 1717 } 1718 if (error == 0) { 1719 *optsize = sizeof(struct sctp_assoc_value); 1720 } 1721 break; 1722 } 1723 case SCTP_CC_OPTION: 1724 { 1725 struct sctp_cc_option *cc_opt; 1726 1727 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1728 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1729 if (stcb == NULL) { 1730 error = EINVAL; 1731 } else { 1732 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1733 error = ENOTSUP; 1734 } else { 1735 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1736 *optsize = sizeof(struct sctp_cc_option); 1737 } 1738 SCTP_TCB_UNLOCK(stcb); 1739 } 1740 break; 1741 } 1742 case SCTP_PLUGGABLE_SS: 1743 { 1744 struct sctp_assoc_value *av; 1745 1746 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1747 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1748 if (stcb) { 1749 av->assoc_value = stcb->asoc.stream_scheduling_module; 1750 SCTP_TCB_UNLOCK(stcb); 1751 } else { 1752 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1753 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1754 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1755 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1756 SCTP_INP_RLOCK(inp); 1757 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1758 SCTP_INP_RUNLOCK(inp); 1759 } else { 1760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1761 error = EINVAL; 1762 } 1763 } 1764 if (error == 0) { 1765 *optsize = sizeof(struct sctp_assoc_value); 1766 } 1767 break; 1768 } 1769 case SCTP_SS_VALUE: 1770 { 1771 struct sctp_stream_value *av; 1772 1773 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1774 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1775 if (stcb) { 1776 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1777 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1778 &av->stream_value) < 0)) { 1779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1780 error = EINVAL; 1781 } else { 1782 *optsize = sizeof(struct sctp_stream_value); 1783 } 1784 SCTP_TCB_UNLOCK(stcb); 1785 } else { 1786 /* 1787 * Can't get stream value without 1788 * association 1789 */ 1790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1791 error = EINVAL; 1792 } 1793 break; 1794 } 1795 case SCTP_GET_ADDR_LEN: 1796 { 1797 struct sctp_assoc_value *av; 1798 1799 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1800 error = EINVAL; 1801 #ifdef INET 1802 if (av->assoc_value == AF_INET) { 1803 av->assoc_value = sizeof(struct sockaddr_in); 1804 error = 0; 1805 } 1806 #endif 1807 #ifdef INET6 1808 if (av->assoc_value == AF_INET6) { 1809 av->assoc_value = sizeof(struct sockaddr_in6); 1810 error = 0; 1811 } 1812 #endif 1813 if (error) { 1814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1815 } else { 1816 *optsize = sizeof(struct sctp_assoc_value); 1817 } 1818 break; 1819 } 1820 case SCTP_GET_ASSOC_NUMBER: 1821 { 1822 uint32_t *value, cnt; 1823 1824 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1825 SCTP_INP_RLOCK(inp); 1826 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1827 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1828 /* Can't do this for a 1-1 socket */ 1829 error = EINVAL; 1830 SCTP_INP_RUNLOCK(inp); 1831 break; 1832 } 1833 cnt = 0; 1834 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1835 cnt++; 1836 } 1837 SCTP_INP_RUNLOCK(inp); 1838 *value = cnt; 1839 *optsize = sizeof(uint32_t); 1840 break; 1841 } 1842 case SCTP_GET_ASSOC_ID_LIST: 1843 { 1844 struct sctp_assoc_ids *ids; 1845 uint32_t at; 1846 size_t limit; 1847 1848 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1849 SCTP_INP_RLOCK(inp); 1850 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1851 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1852 /* Can't do this for a 1-1 socket */ 1853 error = EINVAL; 1854 SCTP_INP_RUNLOCK(inp); 1855 break; 1856 } 1857 at = 0; 1858 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1859 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1860 if (at < limit) { 1861 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1862 if (at == 0) { 1863 error = EINVAL; 1864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1865 break; 1866 } 1867 } else { 1868 error = EINVAL; 1869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1870 break; 1871 } 1872 } 1873 SCTP_INP_RUNLOCK(inp); 1874 if (error == 0) { 1875 ids->gaids_number_of_ids = at; 1876 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1877 } 1878 break; 1879 } 1880 case SCTP_CONTEXT: 1881 { 1882 struct sctp_assoc_value *av; 1883 1884 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1885 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1886 1887 if (stcb) { 1888 av->assoc_value = stcb->asoc.context; 1889 SCTP_TCB_UNLOCK(stcb); 1890 } else { 1891 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1892 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1893 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1894 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1895 SCTP_INP_RLOCK(inp); 1896 av->assoc_value = inp->sctp_context; 1897 SCTP_INP_RUNLOCK(inp); 1898 } else { 1899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1900 error = EINVAL; 1901 } 1902 } 1903 if (error == 0) { 1904 *optsize = sizeof(struct sctp_assoc_value); 1905 } 1906 break; 1907 } 1908 case SCTP_VRF_ID: 1909 { 1910 uint32_t *default_vrfid; 1911 1912 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1913 *default_vrfid = inp->def_vrf_id; 1914 *optsize = sizeof(uint32_t); 1915 break; 1916 } 1917 case SCTP_GET_ASOC_VRF: 1918 { 1919 struct sctp_assoc_value *id; 1920 1921 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1922 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1923 if (stcb == NULL) { 1924 error = EINVAL; 1925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1926 } else { 1927 id->assoc_value = stcb->asoc.vrf_id; 1928 SCTP_TCB_UNLOCK(stcb); 1929 *optsize = sizeof(struct sctp_assoc_value); 1930 } 1931 break; 1932 } 1933 case SCTP_GET_VRF_IDS: 1934 { 1935 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1936 error = EOPNOTSUPP; 1937 break; 1938 } 1939 case SCTP_GET_NONCE_VALUES: 1940 { 1941 struct sctp_get_nonce_values *gnv; 1942 1943 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1944 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1945 1946 if (stcb) { 1947 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1948 gnv->gn_local_tag = stcb->asoc.my_vtag; 1949 SCTP_TCB_UNLOCK(stcb); 1950 *optsize = sizeof(struct sctp_get_nonce_values); 1951 } else { 1952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1953 error = ENOTCONN; 1954 } 1955 break; 1956 } 1957 case SCTP_DELAYED_SACK: 1958 { 1959 struct sctp_sack_info *sack; 1960 1961 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1962 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1963 if (stcb) { 1964 sack->sack_delay = stcb->asoc.delayed_ack; 1965 sack->sack_freq = stcb->asoc.sack_freq; 1966 SCTP_TCB_UNLOCK(stcb); 1967 } else { 1968 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1969 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1970 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1971 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1972 SCTP_INP_RLOCK(inp); 1973 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1974 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1975 SCTP_INP_RUNLOCK(inp); 1976 } else { 1977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1978 error = EINVAL; 1979 } 1980 } 1981 if (error == 0) { 1982 *optsize = sizeof(struct sctp_sack_info); 1983 } 1984 break; 1985 } 1986 case SCTP_GET_SNDBUF_USE: 1987 { 1988 struct sctp_sockstat *ss; 1989 1990 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 1991 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 1992 1993 if (stcb) { 1994 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 1995 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 1996 stcb->asoc.size_on_all_streams); 1997 SCTP_TCB_UNLOCK(stcb); 1998 *optsize = sizeof(struct sctp_sockstat); 1999 } else { 2000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2001 error = ENOTCONN; 2002 } 2003 break; 2004 } 2005 case SCTP_MAX_BURST: 2006 { 2007 struct sctp_assoc_value *av; 2008 2009 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2010 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2011 2012 if (stcb) { 2013 av->assoc_value = stcb->asoc.max_burst; 2014 SCTP_TCB_UNLOCK(stcb); 2015 } else { 2016 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2017 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2018 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2019 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2020 SCTP_INP_RLOCK(inp); 2021 av->assoc_value = inp->sctp_ep.max_burst; 2022 SCTP_INP_RUNLOCK(inp); 2023 } else { 2024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2025 error = EINVAL; 2026 } 2027 } 2028 if (error == 0) { 2029 *optsize = sizeof(struct sctp_assoc_value); 2030 } 2031 break; 2032 } 2033 case SCTP_MAXSEG: 2034 { 2035 struct sctp_assoc_value *av; 2036 2037 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2038 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2039 2040 if (stcb) { 2041 av->assoc_value = stcb->asoc.sctp_frag_point; 2042 SCTP_TCB_UNLOCK(stcb); 2043 } else { 2044 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2045 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2046 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2047 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2048 SCTP_INP_RLOCK(inp); 2049 av->assoc_value = inp->sctp_frag_point; 2050 SCTP_INP_RUNLOCK(inp); 2051 } else { 2052 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2053 error = EINVAL; 2054 } 2055 } 2056 if (error == 0) { 2057 *optsize = sizeof(struct sctp_assoc_value); 2058 } 2059 break; 2060 } 2061 case SCTP_GET_STAT_LOG: 2062 error = sctp_fill_stat_log(optval, optsize); 2063 break; 2064 case SCTP_EVENTS: 2065 { 2066 struct sctp_event_subscribe *events; 2067 2068 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2069 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2070 SCTP_INP_RLOCK(inp); 2071 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2072 events->sctp_data_io_event = 1; 2073 2074 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2075 events->sctp_association_event = 1; 2076 2077 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2078 events->sctp_address_event = 1; 2079 2080 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2081 events->sctp_send_failure_event = 1; 2082 2083 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2084 events->sctp_peer_error_event = 1; 2085 2086 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2087 events->sctp_shutdown_event = 1; 2088 2089 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2090 events->sctp_partial_delivery_event = 1; 2091 2092 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2093 events->sctp_adaptation_layer_event = 1; 2094 2095 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2096 events->sctp_authentication_event = 1; 2097 2098 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2099 events->sctp_sender_dry_event = 1; 2100 2101 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2102 events->sctp_stream_reset_event = 1; 2103 SCTP_INP_RUNLOCK(inp); 2104 *optsize = sizeof(struct sctp_event_subscribe); 2105 break; 2106 } 2107 case SCTP_ADAPTATION_LAYER: 2108 { 2109 uint32_t *value; 2110 2111 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2112 2113 SCTP_INP_RLOCK(inp); 2114 *value = inp->sctp_ep.adaptation_layer_indicator; 2115 SCTP_INP_RUNLOCK(inp); 2116 *optsize = sizeof(uint32_t); 2117 break; 2118 } 2119 case SCTP_SET_INITIAL_DBG_SEQ: 2120 { 2121 uint32_t *value; 2122 2123 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2124 SCTP_INP_RLOCK(inp); 2125 *value = inp->sctp_ep.initial_sequence_debug; 2126 SCTP_INP_RUNLOCK(inp); 2127 *optsize = sizeof(uint32_t); 2128 break; 2129 } 2130 case SCTP_GET_LOCAL_ADDR_SIZE: 2131 { 2132 uint32_t *value; 2133 2134 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2135 SCTP_INP_RLOCK(inp); 2136 *value = (uint32_t)sctp_max_size_addresses(inp); 2137 SCTP_INP_RUNLOCK(inp); 2138 *optsize = sizeof(uint32_t); 2139 break; 2140 } 2141 case SCTP_GET_REMOTE_ADDR_SIZE: 2142 { 2143 uint32_t *value; 2144 struct sctp_nets *net; 2145 size_t size; 2146 2147 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2148 /* FIXME MT: change to sctp_assoc_value? */ 2149 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2150 2151 if (stcb != NULL) { 2152 size = 0; 2153 /* Count the sizes */ 2154 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2155 switch (net->ro._l_addr.sa.sa_family) { 2156 #ifdef INET 2157 case AF_INET: 2158 #ifdef INET6 2159 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2160 size += sizeof(struct sockaddr_in6); 2161 } else { 2162 size += sizeof(struct sockaddr_in); 2163 } 2164 #else 2165 size += sizeof(struct sockaddr_in); 2166 #endif 2167 break; 2168 #endif 2169 #ifdef INET6 2170 case AF_INET6: 2171 size += sizeof(struct sockaddr_in6); 2172 break; 2173 #endif 2174 default: 2175 break; 2176 } 2177 } 2178 SCTP_TCB_UNLOCK(stcb); 2179 *value = (uint32_t)size; 2180 *optsize = sizeof(uint32_t); 2181 } else { 2182 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2183 ((sctp_assoc_t)*value <= SCTP_ALL_ASSOC)) { 2184 error = EINVAL; 2185 } else { 2186 error = ENOENT; 2187 } 2188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2189 } 2190 break; 2191 } 2192 case SCTP_GET_PEER_ADDRESSES: 2193 /* 2194 * Get the address information, an array is passed in to 2195 * fill up we pack it. 2196 */ 2197 { 2198 size_t cpsz, left; 2199 struct sockaddr *addr; 2200 struct sctp_nets *net; 2201 struct sctp_getaddresses *saddr; 2202 2203 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2204 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2205 2206 if (stcb != NULL) { 2207 left = *optsize - offsetof(struct sctp_getaddresses, addr); 2208 *optsize = offsetof(struct sctp_getaddresses, addr); 2209 addr = &saddr->addr[0].sa; 2210 2211 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2212 switch (net->ro._l_addr.sa.sa_family) { 2213 #ifdef INET 2214 case AF_INET: 2215 #ifdef INET6 2216 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2217 cpsz = sizeof(struct sockaddr_in6); 2218 } else { 2219 cpsz = sizeof(struct sockaddr_in); 2220 } 2221 #else 2222 cpsz = sizeof(struct sockaddr_in); 2223 #endif 2224 break; 2225 #endif 2226 #ifdef INET6 2227 case AF_INET6: 2228 cpsz = sizeof(struct sockaddr_in6); 2229 break; 2230 #endif 2231 default: 2232 cpsz = 0; 2233 break; 2234 } 2235 if (cpsz == 0) { 2236 break; 2237 } 2238 if (left < cpsz) { 2239 /* not enough room. */ 2240 break; 2241 } 2242 #if defined(INET) && defined(INET6) 2243 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2244 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2245 /* Must map the address */ 2246 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2247 (struct sockaddr_in6 *)addr); 2248 } else { 2249 memcpy(addr, &net->ro._l_addr, cpsz); 2250 } 2251 #else 2252 memcpy(addr, &net->ro._l_addr, cpsz); 2253 #endif 2254 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2255 2256 addr = (struct sockaddr *)((caddr_t)addr + cpsz); 2257 left -= cpsz; 2258 *optsize += cpsz; 2259 } 2260 SCTP_TCB_UNLOCK(stcb); 2261 } else { 2262 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2263 (saddr->sget_assoc_id <= SCTP_ALL_ASSOC)) { 2264 error = EINVAL; 2265 } else { 2266 error = ENOENT; 2267 } 2268 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2269 } 2270 break; 2271 } 2272 case SCTP_GET_LOCAL_ADDRESSES: 2273 { 2274 size_t limit, actual; 2275 struct sctp_getaddresses *saddr; 2276 2277 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2278 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2279 2280 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2281 ((saddr->sget_assoc_id == SCTP_CURRENT_ASSOC) || 2282 (saddr->sget_assoc_id == SCTP_ALL_ASSOC))) { 2283 error = EINVAL; 2284 } else { 2285 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2286 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2287 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2288 } 2289 if (stcb != NULL) { 2290 SCTP_TCB_UNLOCK(stcb); 2291 } 2292 break; 2293 } 2294 case SCTP_PEER_ADDR_PARAMS: 2295 { 2296 struct sctp_paddrparams *paddrp; 2297 struct sctp_nets *net; 2298 struct sockaddr *addr; 2299 #if defined(INET) && defined(INET6) 2300 struct sockaddr_in sin_store; 2301 #endif 2302 2303 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2304 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2305 2306 #if defined(INET) && defined(INET6) 2307 if (paddrp->spp_address.ss_family == AF_INET6) { 2308 struct sockaddr_in6 *sin6; 2309 2310 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2311 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2312 in6_sin6_2_sin(&sin_store, sin6); 2313 addr = (struct sockaddr *)&sin_store; 2314 } else { 2315 addr = (struct sockaddr *)&paddrp->spp_address; 2316 } 2317 } else { 2318 addr = (struct sockaddr *)&paddrp->spp_address; 2319 } 2320 #else 2321 addr = (struct sockaddr *)&paddrp->spp_address; 2322 #endif 2323 if (stcb != NULL) { 2324 net = sctp_findnet(stcb, addr); 2325 } else { 2326 /* 2327 * We increment here since 2328 * sctp_findassociation_ep_addr() wil do a 2329 * decrement if it finds the stcb as long as 2330 * the locked tcb (last argument) is NOT a 2331 * TCB.. aka NULL. 2332 */ 2333 net = NULL; 2334 SCTP_INP_INCR_REF(inp); 2335 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2336 if (stcb == NULL) { 2337 SCTP_INP_DECR_REF(inp); 2338 } 2339 } 2340 if ((stcb != NULL) && (net == NULL)) { 2341 #ifdef INET 2342 if (addr->sa_family == AF_INET) { 2343 struct sockaddr_in *sin; 2344 2345 sin = (struct sockaddr_in *)addr; 2346 if (sin->sin_addr.s_addr != INADDR_ANY) { 2347 error = EINVAL; 2348 SCTP_TCB_UNLOCK(stcb); 2349 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2350 break; 2351 } 2352 } else 2353 #endif 2354 #ifdef INET6 2355 if (addr->sa_family == AF_INET6) { 2356 struct sockaddr_in6 *sin6; 2357 2358 sin6 = (struct sockaddr_in6 *)addr; 2359 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2360 error = EINVAL; 2361 SCTP_TCB_UNLOCK(stcb); 2362 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2363 break; 2364 } 2365 } else 2366 #endif 2367 { 2368 error = EAFNOSUPPORT; 2369 SCTP_TCB_UNLOCK(stcb); 2370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2371 break; 2372 } 2373 } 2374 2375 if (stcb != NULL) { 2376 /* Applies to the specific association */ 2377 paddrp->spp_flags = 0; 2378 if (net != NULL) { 2379 paddrp->spp_hbinterval = net->heart_beat_delay; 2380 paddrp->spp_pathmaxrxt = net->failure_threshold; 2381 paddrp->spp_pathmtu = net->mtu; 2382 switch (net->ro._l_addr.sa.sa_family) { 2383 #ifdef INET 2384 case AF_INET: 2385 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2386 break; 2387 #endif 2388 #ifdef INET6 2389 case AF_INET6: 2390 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2391 break; 2392 #endif 2393 default: 2394 break; 2395 } 2396 /* get flags for HB */ 2397 if (net->dest_state & SCTP_ADDR_NOHB) { 2398 paddrp->spp_flags |= SPP_HB_DISABLE; 2399 } else { 2400 paddrp->spp_flags |= SPP_HB_ENABLE; 2401 } 2402 /* get flags for PMTU */ 2403 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2404 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2405 } else { 2406 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2407 } 2408 if (net->dscp & 0x01) { 2409 paddrp->spp_dscp = net->dscp & 0xfc; 2410 paddrp->spp_flags |= SPP_DSCP; 2411 } 2412 #ifdef INET6 2413 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2414 (net->flowlabel & 0x80000000)) { 2415 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2416 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2417 } 2418 #endif 2419 } else { 2420 /* 2421 * No destination so return default 2422 * value 2423 */ 2424 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2425 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2426 if (stcb->asoc.default_dscp & 0x01) { 2427 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2428 paddrp->spp_flags |= SPP_DSCP; 2429 } 2430 #ifdef INET6 2431 if (stcb->asoc.default_flowlabel & 0x80000000) { 2432 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2433 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2434 } 2435 #endif 2436 /* default settings should be these */ 2437 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2438 paddrp->spp_flags |= SPP_HB_DISABLE; 2439 } else { 2440 paddrp->spp_flags |= SPP_HB_ENABLE; 2441 } 2442 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2443 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2444 } else { 2445 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2446 } 2447 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2448 } 2449 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2450 SCTP_TCB_UNLOCK(stcb); 2451 } else { 2452 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2453 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2454 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2455 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2456 /* Use endpoint defaults */ 2457 SCTP_INP_RLOCK(inp); 2458 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2459 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2460 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2461 /* get inp's default */ 2462 if (inp->sctp_ep.default_dscp & 0x01) { 2463 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2464 paddrp->spp_flags |= SPP_DSCP; 2465 } 2466 #ifdef INET6 2467 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2468 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2469 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2470 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2471 } 2472 #endif 2473 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2474 2475 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2476 paddrp->spp_flags |= SPP_HB_ENABLE; 2477 } else { 2478 paddrp->spp_flags |= SPP_HB_DISABLE; 2479 } 2480 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2481 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2482 } else { 2483 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2484 } 2485 SCTP_INP_RUNLOCK(inp); 2486 } else { 2487 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2488 error = EINVAL; 2489 } 2490 } 2491 if (error == 0) { 2492 *optsize = sizeof(struct sctp_paddrparams); 2493 } 2494 break; 2495 } 2496 case SCTP_GET_PEER_ADDR_INFO: 2497 { 2498 struct sctp_paddrinfo *paddri; 2499 struct sctp_nets *net; 2500 struct sockaddr *addr; 2501 #if defined(INET) && defined(INET6) 2502 struct sockaddr_in sin_store; 2503 #endif 2504 2505 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2506 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2507 2508 #if defined(INET) && defined(INET6) 2509 if (paddri->spinfo_address.ss_family == AF_INET6) { 2510 struct sockaddr_in6 *sin6; 2511 2512 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2513 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2514 in6_sin6_2_sin(&sin_store, sin6); 2515 addr = (struct sockaddr *)&sin_store; 2516 } else { 2517 addr = (struct sockaddr *)&paddri->spinfo_address; 2518 } 2519 } else { 2520 addr = (struct sockaddr *)&paddri->spinfo_address; 2521 } 2522 #else 2523 addr = (struct sockaddr *)&paddri->spinfo_address; 2524 #endif 2525 if (stcb != NULL) { 2526 net = sctp_findnet(stcb, addr); 2527 } else { 2528 /* 2529 * We increment here since 2530 * sctp_findassociation_ep_addr() wil do a 2531 * decrement if it finds the stcb as long as 2532 * the locked tcb (last argument) is NOT a 2533 * TCB.. aka NULL. 2534 */ 2535 net = NULL; 2536 SCTP_INP_INCR_REF(inp); 2537 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2538 if (stcb == NULL) { 2539 SCTP_INP_DECR_REF(inp); 2540 } 2541 } 2542 2543 if ((stcb != NULL) && (net != NULL)) { 2544 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2545 /* It's unconfirmed */ 2546 paddri->spinfo_state = SCTP_UNCONFIRMED; 2547 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2548 /* It's active */ 2549 paddri->spinfo_state = SCTP_ACTIVE; 2550 } else { 2551 /* It's inactive */ 2552 paddri->spinfo_state = SCTP_INACTIVE; 2553 } 2554 paddri->spinfo_cwnd = net->cwnd; 2555 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2556 paddri->spinfo_rto = net->RTO; 2557 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2558 paddri->spinfo_mtu = net->mtu; 2559 switch (addr->sa_family) { 2560 #if defined(INET) 2561 case AF_INET: 2562 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2563 break; 2564 #endif 2565 #if defined(INET6) 2566 case AF_INET6: 2567 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2568 break; 2569 #endif 2570 default: 2571 break; 2572 } 2573 SCTP_TCB_UNLOCK(stcb); 2574 *optsize = sizeof(struct sctp_paddrinfo); 2575 } else { 2576 if (stcb != NULL) { 2577 SCTP_TCB_UNLOCK(stcb); 2578 } 2579 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2580 error = ENOENT; 2581 } 2582 break; 2583 } 2584 case SCTP_PCB_STATUS: 2585 { 2586 struct sctp_pcbinfo *spcb; 2587 2588 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2589 sctp_fill_pcbinfo(spcb); 2590 *optsize = sizeof(struct sctp_pcbinfo); 2591 break; 2592 } 2593 case SCTP_STATUS: 2594 { 2595 struct sctp_nets *net; 2596 struct sctp_status *sstat; 2597 2598 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2599 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2600 2601 if (stcb == NULL) { 2602 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2603 error = EINVAL; 2604 break; 2605 } 2606 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2607 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2608 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2609 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2610 /* 2611 * We can't include chunks that have been passed to 2612 * the socket layer. Only things in queue. 2613 */ 2614 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2615 stcb->asoc.cnt_on_all_streams); 2616 sstat->sstat_instrms = stcb->asoc.streamincnt; 2617 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2618 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb); 2619 net = stcb->asoc.primary_destination; 2620 if (net != NULL) { 2621 memcpy(&sstat->sstat_primary.spinfo_address, 2622 &net->ro._l_addr, 2623 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2624 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2625 /* 2626 * Again the user can get info from 2627 * sctp_constants.h for what the state of 2628 * the network is. 2629 */ 2630 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2631 /* It's unconfirmed */ 2632 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2633 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2634 /* It's active */ 2635 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2636 } else { 2637 /* It's inactive */ 2638 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2639 } 2640 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2641 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2642 sstat->sstat_primary.spinfo_rto = net->RTO; 2643 sstat->sstat_primary.spinfo_mtu = net->mtu; 2644 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2645 #if defined(INET) 2646 case AF_INET: 2647 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2648 break; 2649 #endif 2650 #if defined(INET6) 2651 case AF_INET6: 2652 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2653 break; 2654 #endif 2655 default: 2656 break; 2657 } 2658 } else { 2659 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2660 } 2661 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2662 SCTP_TCB_UNLOCK(stcb); 2663 *optsize = sizeof(struct sctp_status); 2664 break; 2665 } 2666 case SCTP_RTOINFO: 2667 { 2668 struct sctp_rtoinfo *srto; 2669 2670 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2671 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2672 2673 if (stcb) { 2674 srto->srto_initial = stcb->asoc.initial_rto; 2675 srto->srto_max = stcb->asoc.maxrto; 2676 srto->srto_min = stcb->asoc.minrto; 2677 SCTP_TCB_UNLOCK(stcb); 2678 } else { 2679 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2680 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2681 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2682 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2683 SCTP_INP_RLOCK(inp); 2684 srto->srto_initial = inp->sctp_ep.initial_rto; 2685 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2686 srto->srto_min = inp->sctp_ep.sctp_minrto; 2687 SCTP_INP_RUNLOCK(inp); 2688 } else { 2689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2690 error = EINVAL; 2691 } 2692 } 2693 if (error == 0) { 2694 *optsize = sizeof(struct sctp_rtoinfo); 2695 } 2696 break; 2697 } 2698 case SCTP_TIMEOUTS: 2699 { 2700 struct sctp_timeouts *stimo; 2701 2702 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2703 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2704 2705 if (stcb) { 2706 stimo->stimo_init = stcb->asoc.timoinit; 2707 stimo->stimo_data = stcb->asoc.timodata; 2708 stimo->stimo_sack = stcb->asoc.timosack; 2709 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2710 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2711 stimo->stimo_cookie = stcb->asoc.timocookie; 2712 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2713 SCTP_TCB_UNLOCK(stcb); 2714 *optsize = sizeof(struct sctp_timeouts); 2715 } else { 2716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2717 error = EINVAL; 2718 } 2719 break; 2720 } 2721 case SCTP_ASSOCINFO: 2722 { 2723 struct sctp_assocparams *sasoc; 2724 2725 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2726 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2727 2728 if (stcb) { 2729 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2730 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2731 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2732 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2733 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2734 SCTP_TCB_UNLOCK(stcb); 2735 } else { 2736 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2737 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2738 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2739 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2740 SCTP_INP_RLOCK(inp); 2741 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2742 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2743 sasoc->sasoc_number_peer_destinations = 0; 2744 sasoc->sasoc_peer_rwnd = 0; 2745 sasoc->sasoc_local_rwnd = (uint32_t)sbspace(&inp->sctp_socket->so_rcv); 2746 SCTP_INP_RUNLOCK(inp); 2747 } else { 2748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2749 error = EINVAL; 2750 } 2751 } 2752 if (error == 0) { 2753 *optsize = sizeof(struct sctp_assocparams); 2754 } 2755 break; 2756 } 2757 case SCTP_DEFAULT_SEND_PARAM: 2758 { 2759 struct sctp_sndrcvinfo *s_info; 2760 2761 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2762 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2763 2764 if (stcb) { 2765 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2766 SCTP_TCB_UNLOCK(stcb); 2767 } else { 2768 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2769 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2770 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2771 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2772 SCTP_INP_RLOCK(inp); 2773 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2774 SCTP_INP_RUNLOCK(inp); 2775 } else { 2776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2777 error = EINVAL; 2778 } 2779 } 2780 if (error == 0) { 2781 *optsize = sizeof(struct sctp_sndrcvinfo); 2782 } 2783 break; 2784 } 2785 case SCTP_INITMSG: 2786 { 2787 struct sctp_initmsg *sinit; 2788 2789 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2790 SCTP_INP_RLOCK(inp); 2791 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2792 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2793 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2794 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2795 SCTP_INP_RUNLOCK(inp); 2796 *optsize = sizeof(struct sctp_initmsg); 2797 break; 2798 } 2799 case SCTP_PRIMARY_ADDR: 2800 /* we allow a "get" operation on this */ 2801 { 2802 struct sctp_setprim *ssp; 2803 2804 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2805 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2806 2807 if (stcb) { 2808 union sctp_sockstore *addr; 2809 2810 addr = &stcb->asoc.primary_destination->ro._l_addr; 2811 switch (addr->sa.sa_family) { 2812 #ifdef INET 2813 case AF_INET: 2814 #ifdef INET6 2815 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2816 in6_sin_2_v4mapsin6(&addr->sin, 2817 (struct sockaddr_in6 *)&ssp->ssp_addr); 2818 } else { 2819 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2820 } 2821 #else 2822 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2823 #endif 2824 break; 2825 #endif 2826 #ifdef INET6 2827 case AF_INET6: 2828 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2829 break; 2830 #endif 2831 default: 2832 break; 2833 } 2834 SCTP_TCB_UNLOCK(stcb); 2835 *optsize = sizeof(struct sctp_setprim); 2836 } else { 2837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2838 error = EINVAL; 2839 } 2840 break; 2841 } 2842 case SCTP_HMAC_IDENT: 2843 { 2844 struct sctp_hmacalgo *shmac; 2845 sctp_hmaclist_t *hmaclist; 2846 size_t size; 2847 int i; 2848 2849 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2850 2851 SCTP_INP_RLOCK(inp); 2852 hmaclist = inp->sctp_ep.local_hmacs; 2853 if (hmaclist == NULL) { 2854 /* no HMACs to return */ 2855 *optsize = sizeof(*shmac); 2856 SCTP_INP_RUNLOCK(inp); 2857 break; 2858 } 2859 /* is there room for all of the hmac ids? */ 2860 size = sizeof(*shmac) + (hmaclist->num_algo * 2861 sizeof(shmac->shmac_idents[0])); 2862 if (*optsize < size) { 2863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2864 error = EINVAL; 2865 SCTP_INP_RUNLOCK(inp); 2866 break; 2867 } 2868 /* copy in the list */ 2869 shmac->shmac_number_of_idents = hmaclist->num_algo; 2870 for (i = 0; i < hmaclist->num_algo; i++) { 2871 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2872 } 2873 SCTP_INP_RUNLOCK(inp); 2874 *optsize = size; 2875 break; 2876 } 2877 case SCTP_AUTH_ACTIVE_KEY: 2878 { 2879 struct sctp_authkeyid *scact; 2880 2881 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2882 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2883 2884 if (stcb) { 2885 /* get the active key on the assoc */ 2886 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2887 SCTP_TCB_UNLOCK(stcb); 2888 } else { 2889 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2890 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2891 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2892 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2893 /* get the endpoint active key */ 2894 SCTP_INP_RLOCK(inp); 2895 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2896 SCTP_INP_RUNLOCK(inp); 2897 } else { 2898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2899 error = EINVAL; 2900 } 2901 } 2902 if (error == 0) { 2903 *optsize = sizeof(struct sctp_authkeyid); 2904 } 2905 break; 2906 } 2907 case SCTP_LOCAL_AUTH_CHUNKS: 2908 { 2909 struct sctp_authchunks *sac; 2910 sctp_auth_chklist_t *chklist = NULL; 2911 size_t size = 0; 2912 2913 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2914 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2915 2916 if (stcb) { 2917 /* get off the assoc */ 2918 chklist = stcb->asoc.local_auth_chunks; 2919 /* is there enough space? */ 2920 size = sctp_auth_get_chklist_size(chklist); 2921 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2922 error = EINVAL; 2923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2924 } else { 2925 /* copy in the chunks */ 2926 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2927 sac->gauth_number_of_chunks = (uint32_t)size; 2928 *optsize = sizeof(struct sctp_authchunks) + size; 2929 } 2930 SCTP_TCB_UNLOCK(stcb); 2931 } else { 2932 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2933 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2934 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2935 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2936 /* get off the endpoint */ 2937 SCTP_INP_RLOCK(inp); 2938 chklist = inp->sctp_ep.local_auth_chunks; 2939 /* is there enough space? */ 2940 size = sctp_auth_get_chklist_size(chklist); 2941 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2942 error = EINVAL; 2943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2944 } else { 2945 /* copy in the chunks */ 2946 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2947 sac->gauth_number_of_chunks = (uint32_t)size; 2948 *optsize = sizeof(struct sctp_authchunks) + size; 2949 } 2950 SCTP_INP_RUNLOCK(inp); 2951 } else { 2952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2953 error = EINVAL; 2954 } 2955 } 2956 break; 2957 } 2958 case SCTP_PEER_AUTH_CHUNKS: 2959 { 2960 struct sctp_authchunks *sac; 2961 sctp_auth_chklist_t *chklist = NULL; 2962 size_t size = 0; 2963 2964 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2965 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2966 2967 if (stcb) { 2968 /* get off the assoc */ 2969 chklist = stcb->asoc.peer_auth_chunks; 2970 /* is there enough space? */ 2971 size = sctp_auth_get_chklist_size(chklist); 2972 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2973 error = EINVAL; 2974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2975 } else { 2976 /* copy in the chunks */ 2977 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2978 sac->gauth_number_of_chunks = (uint32_t)size; 2979 *optsize = sizeof(struct sctp_authchunks) + size; 2980 } 2981 SCTP_TCB_UNLOCK(stcb); 2982 } else { 2983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2984 error = ENOENT; 2985 } 2986 break; 2987 } 2988 case SCTP_EVENT: 2989 { 2990 struct sctp_event *event; 2991 uint32_t event_type; 2992 2993 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2994 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2995 2996 switch (event->se_type) { 2997 case SCTP_ASSOC_CHANGE: 2998 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2999 break; 3000 case SCTP_PEER_ADDR_CHANGE: 3001 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3002 break; 3003 case SCTP_REMOTE_ERROR: 3004 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3005 break; 3006 case SCTP_SEND_FAILED: 3007 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3008 break; 3009 case SCTP_SHUTDOWN_EVENT: 3010 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3011 break; 3012 case SCTP_ADAPTATION_INDICATION: 3013 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3014 break; 3015 case SCTP_PARTIAL_DELIVERY_EVENT: 3016 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3017 break; 3018 case SCTP_AUTHENTICATION_EVENT: 3019 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3020 break; 3021 case SCTP_STREAM_RESET_EVENT: 3022 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3023 break; 3024 case SCTP_SENDER_DRY_EVENT: 3025 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3026 break; 3027 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3028 event_type = 0; 3029 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3030 error = ENOTSUP; 3031 break; 3032 case SCTP_ASSOC_RESET_EVENT: 3033 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3034 break; 3035 case SCTP_STREAM_CHANGE_EVENT: 3036 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3037 break; 3038 case SCTP_SEND_FAILED_EVENT: 3039 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3040 break; 3041 default: 3042 event_type = 0; 3043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3044 error = EINVAL; 3045 break; 3046 } 3047 if (event_type > 0) { 3048 if (stcb) { 3049 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3050 } else { 3051 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3052 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3053 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3054 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3055 SCTP_INP_RLOCK(inp); 3056 event->se_on = sctp_is_feature_on(inp, event_type); 3057 SCTP_INP_RUNLOCK(inp); 3058 } else { 3059 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3060 error = EINVAL; 3061 } 3062 } 3063 } 3064 if (stcb != NULL) { 3065 SCTP_TCB_UNLOCK(stcb); 3066 } 3067 if (error == 0) { 3068 *optsize = sizeof(struct sctp_event); 3069 } 3070 break; 3071 } 3072 case SCTP_RECVRCVINFO: 3073 if (*optsize < sizeof(int)) { 3074 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3075 error = EINVAL; 3076 } else { 3077 SCTP_INP_RLOCK(inp); 3078 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3079 SCTP_INP_RUNLOCK(inp); 3080 *optsize = sizeof(int); 3081 } 3082 break; 3083 case SCTP_RECVNXTINFO: 3084 if (*optsize < sizeof(int)) { 3085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3086 error = EINVAL; 3087 } else { 3088 SCTP_INP_RLOCK(inp); 3089 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3090 SCTP_INP_RUNLOCK(inp); 3091 *optsize = sizeof(int); 3092 } 3093 break; 3094 case SCTP_DEFAULT_SNDINFO: 3095 { 3096 struct sctp_sndinfo *info; 3097 3098 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3099 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3100 3101 if (stcb) { 3102 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3103 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3104 info->snd_flags &= 0xfff0; 3105 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3106 info->snd_context = stcb->asoc.def_send.sinfo_context; 3107 SCTP_TCB_UNLOCK(stcb); 3108 } else { 3109 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3110 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3111 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3112 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3113 SCTP_INP_RLOCK(inp); 3114 info->snd_sid = inp->def_send.sinfo_stream; 3115 info->snd_flags = inp->def_send.sinfo_flags; 3116 info->snd_flags &= 0xfff0; 3117 info->snd_ppid = inp->def_send.sinfo_ppid; 3118 info->snd_context = inp->def_send.sinfo_context; 3119 SCTP_INP_RUNLOCK(inp); 3120 } else { 3121 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3122 error = EINVAL; 3123 } 3124 } 3125 if (error == 0) { 3126 *optsize = sizeof(struct sctp_sndinfo); 3127 } 3128 break; 3129 } 3130 case SCTP_DEFAULT_PRINFO: 3131 { 3132 struct sctp_default_prinfo *info; 3133 3134 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3135 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3136 3137 if (stcb) { 3138 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3139 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3140 SCTP_TCB_UNLOCK(stcb); 3141 } else { 3142 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3143 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3144 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3145 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3146 SCTP_INP_RLOCK(inp); 3147 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3148 info->pr_value = inp->def_send.sinfo_timetolive; 3149 SCTP_INP_RUNLOCK(inp); 3150 } else { 3151 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3152 error = EINVAL; 3153 } 3154 } 3155 if (error == 0) { 3156 *optsize = sizeof(struct sctp_default_prinfo); 3157 } 3158 break; 3159 } 3160 case SCTP_PEER_ADDR_THLDS: 3161 { 3162 struct sctp_paddrthlds *thlds; 3163 struct sctp_nets *net; 3164 struct sockaddr *addr; 3165 #if defined(INET) && defined(INET6) 3166 struct sockaddr_in sin_store; 3167 #endif 3168 3169 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3170 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3171 3172 #if defined(INET) && defined(INET6) 3173 if (thlds->spt_address.ss_family == AF_INET6) { 3174 struct sockaddr_in6 *sin6; 3175 3176 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3177 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3178 in6_sin6_2_sin(&sin_store, sin6); 3179 addr = (struct sockaddr *)&sin_store; 3180 } else { 3181 addr = (struct sockaddr *)&thlds->spt_address; 3182 } 3183 } else { 3184 addr = (struct sockaddr *)&thlds->spt_address; 3185 } 3186 #else 3187 addr = (struct sockaddr *)&thlds->spt_address; 3188 #endif 3189 if (stcb != NULL) { 3190 net = sctp_findnet(stcb, addr); 3191 } else { 3192 /* 3193 * We increment here since 3194 * sctp_findassociation_ep_addr() wil do a 3195 * decrement if it finds the stcb as long as 3196 * the locked tcb (last argument) is NOT a 3197 * TCB.. aka NULL. 3198 */ 3199 net = NULL; 3200 SCTP_INP_INCR_REF(inp); 3201 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3202 if (stcb == NULL) { 3203 SCTP_INP_DECR_REF(inp); 3204 } 3205 } 3206 if ((stcb != NULL) && (net == NULL)) { 3207 #ifdef INET 3208 if (addr->sa_family == AF_INET) { 3209 struct sockaddr_in *sin; 3210 3211 sin = (struct sockaddr_in *)addr; 3212 if (sin->sin_addr.s_addr != INADDR_ANY) { 3213 error = EINVAL; 3214 SCTP_TCB_UNLOCK(stcb); 3215 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3216 break; 3217 } 3218 } else 3219 #endif 3220 #ifdef INET6 3221 if (addr->sa_family == AF_INET6) { 3222 struct sockaddr_in6 *sin6; 3223 3224 sin6 = (struct sockaddr_in6 *)addr; 3225 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3226 error = EINVAL; 3227 SCTP_TCB_UNLOCK(stcb); 3228 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3229 break; 3230 } 3231 } else 3232 #endif 3233 { 3234 error = EAFNOSUPPORT; 3235 SCTP_TCB_UNLOCK(stcb); 3236 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3237 break; 3238 } 3239 } 3240 3241 if (stcb != NULL) { 3242 if (net != NULL) { 3243 thlds->spt_pathmaxrxt = net->failure_threshold; 3244 thlds->spt_pathpfthld = net->pf_threshold; 3245 thlds->spt_pathcpthld = 0xffff; 3246 } else { 3247 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3248 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3249 thlds->spt_pathcpthld = 0xffff; 3250 } 3251 thlds->spt_assoc_id = sctp_get_associd(stcb); 3252 SCTP_TCB_UNLOCK(stcb); 3253 } else { 3254 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3255 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3256 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3257 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3258 /* Use endpoint defaults */ 3259 SCTP_INP_RLOCK(inp); 3260 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3261 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3262 thlds->spt_pathcpthld = 0xffff; 3263 SCTP_INP_RUNLOCK(inp); 3264 } else { 3265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3266 error = EINVAL; 3267 } 3268 } 3269 if (error == 0) { 3270 *optsize = sizeof(struct sctp_paddrthlds); 3271 } 3272 break; 3273 } 3274 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3275 { 3276 struct sctp_udpencaps *encaps; 3277 struct sctp_nets *net; 3278 struct sockaddr *addr; 3279 #if defined(INET) && defined(INET6) 3280 struct sockaddr_in sin_store; 3281 #endif 3282 3283 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3284 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3285 3286 #if defined(INET) && defined(INET6) 3287 if (encaps->sue_address.ss_family == AF_INET6) { 3288 struct sockaddr_in6 *sin6; 3289 3290 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3291 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3292 in6_sin6_2_sin(&sin_store, sin6); 3293 addr = (struct sockaddr *)&sin_store; 3294 } else { 3295 addr = (struct sockaddr *)&encaps->sue_address; 3296 } 3297 } else { 3298 addr = (struct sockaddr *)&encaps->sue_address; 3299 } 3300 #else 3301 addr = (struct sockaddr *)&encaps->sue_address; 3302 #endif 3303 if (stcb) { 3304 net = sctp_findnet(stcb, addr); 3305 } else { 3306 /* 3307 * We increment here since 3308 * sctp_findassociation_ep_addr() wil do a 3309 * decrement if it finds the stcb as long as 3310 * the locked tcb (last argument) is NOT a 3311 * TCB.. aka NULL. 3312 */ 3313 net = NULL; 3314 SCTP_INP_INCR_REF(inp); 3315 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3316 if (stcb == NULL) { 3317 SCTP_INP_DECR_REF(inp); 3318 } 3319 } 3320 if ((stcb != NULL) && (net == NULL)) { 3321 #ifdef INET 3322 if (addr->sa_family == AF_INET) { 3323 struct sockaddr_in *sin; 3324 3325 sin = (struct sockaddr_in *)addr; 3326 if (sin->sin_addr.s_addr != INADDR_ANY) { 3327 error = EINVAL; 3328 SCTP_TCB_UNLOCK(stcb); 3329 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3330 break; 3331 } 3332 } else 3333 #endif 3334 #ifdef INET6 3335 if (addr->sa_family == AF_INET6) { 3336 struct sockaddr_in6 *sin6; 3337 3338 sin6 = (struct sockaddr_in6 *)addr; 3339 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3340 error = EINVAL; 3341 SCTP_TCB_UNLOCK(stcb); 3342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3343 break; 3344 } 3345 } else 3346 #endif 3347 { 3348 error = EAFNOSUPPORT; 3349 SCTP_TCB_UNLOCK(stcb); 3350 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3351 break; 3352 } 3353 } 3354 3355 if (stcb != NULL) { 3356 if (net) { 3357 encaps->sue_port = net->port; 3358 } else { 3359 encaps->sue_port = stcb->asoc.port; 3360 } 3361 SCTP_TCB_UNLOCK(stcb); 3362 } else { 3363 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3364 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3365 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3366 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3367 SCTP_INP_RLOCK(inp); 3368 encaps->sue_port = inp->sctp_ep.port; 3369 SCTP_INP_RUNLOCK(inp); 3370 } else { 3371 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3372 error = EINVAL; 3373 } 3374 } 3375 if (error == 0) { 3376 *optsize = sizeof(struct sctp_udpencaps); 3377 } 3378 break; 3379 } 3380 case SCTP_ECN_SUPPORTED: 3381 { 3382 struct sctp_assoc_value *av; 3383 3384 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3385 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3386 3387 if (stcb) { 3388 av->assoc_value = stcb->asoc.ecn_supported; 3389 SCTP_TCB_UNLOCK(stcb); 3390 } else { 3391 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3392 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3393 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3394 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3395 SCTP_INP_RLOCK(inp); 3396 av->assoc_value = inp->ecn_supported; 3397 SCTP_INP_RUNLOCK(inp); 3398 } else { 3399 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3400 error = EINVAL; 3401 } 3402 } 3403 if (error == 0) { 3404 *optsize = sizeof(struct sctp_assoc_value); 3405 } 3406 break; 3407 } 3408 case SCTP_PR_SUPPORTED: 3409 { 3410 struct sctp_assoc_value *av; 3411 3412 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3413 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3414 3415 if (stcb) { 3416 av->assoc_value = stcb->asoc.prsctp_supported; 3417 SCTP_TCB_UNLOCK(stcb); 3418 } else { 3419 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3420 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3421 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3422 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3423 SCTP_INP_RLOCK(inp); 3424 av->assoc_value = inp->prsctp_supported; 3425 SCTP_INP_RUNLOCK(inp); 3426 } else { 3427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3428 error = EINVAL; 3429 } 3430 } 3431 if (error == 0) { 3432 *optsize = sizeof(struct sctp_assoc_value); 3433 } 3434 break; 3435 } 3436 case SCTP_AUTH_SUPPORTED: 3437 { 3438 struct sctp_assoc_value *av; 3439 3440 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3441 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3442 3443 if (stcb) { 3444 av->assoc_value = stcb->asoc.auth_supported; 3445 SCTP_TCB_UNLOCK(stcb); 3446 } else { 3447 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3448 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3449 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3450 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3451 SCTP_INP_RLOCK(inp); 3452 av->assoc_value = inp->auth_supported; 3453 SCTP_INP_RUNLOCK(inp); 3454 } else { 3455 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3456 error = EINVAL; 3457 } 3458 } 3459 if (error == 0) { 3460 *optsize = sizeof(struct sctp_assoc_value); 3461 } 3462 break; 3463 } 3464 case SCTP_ASCONF_SUPPORTED: 3465 { 3466 struct sctp_assoc_value *av; 3467 3468 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3469 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3470 3471 if (stcb) { 3472 av->assoc_value = stcb->asoc.asconf_supported; 3473 SCTP_TCB_UNLOCK(stcb); 3474 } else { 3475 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3476 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3477 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3478 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3479 SCTP_INP_RLOCK(inp); 3480 av->assoc_value = inp->asconf_supported; 3481 SCTP_INP_RUNLOCK(inp); 3482 } else { 3483 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3484 error = EINVAL; 3485 } 3486 } 3487 if (error == 0) { 3488 *optsize = sizeof(struct sctp_assoc_value); 3489 } 3490 break; 3491 } 3492 case SCTP_RECONFIG_SUPPORTED: 3493 { 3494 struct sctp_assoc_value *av; 3495 3496 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3497 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3498 3499 if (stcb) { 3500 av->assoc_value = stcb->asoc.reconfig_supported; 3501 SCTP_TCB_UNLOCK(stcb); 3502 } else { 3503 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3504 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3505 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3506 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3507 SCTP_INP_RLOCK(inp); 3508 av->assoc_value = inp->reconfig_supported; 3509 SCTP_INP_RUNLOCK(inp); 3510 } else { 3511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3512 error = EINVAL; 3513 } 3514 } 3515 if (error == 0) { 3516 *optsize = sizeof(struct sctp_assoc_value); 3517 } 3518 break; 3519 } 3520 case SCTP_NRSACK_SUPPORTED: 3521 { 3522 struct sctp_assoc_value *av; 3523 3524 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3525 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3526 3527 if (stcb) { 3528 av->assoc_value = stcb->asoc.nrsack_supported; 3529 SCTP_TCB_UNLOCK(stcb); 3530 } else { 3531 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3532 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3533 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3534 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3535 SCTP_INP_RLOCK(inp); 3536 av->assoc_value = inp->nrsack_supported; 3537 SCTP_INP_RUNLOCK(inp); 3538 } else { 3539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3540 error = EINVAL; 3541 } 3542 } 3543 if (error == 0) { 3544 *optsize = sizeof(struct sctp_assoc_value); 3545 } 3546 break; 3547 } 3548 case SCTP_PKTDROP_SUPPORTED: 3549 { 3550 struct sctp_assoc_value *av; 3551 3552 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3553 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3554 3555 if (stcb) { 3556 av->assoc_value = stcb->asoc.pktdrop_supported; 3557 SCTP_TCB_UNLOCK(stcb); 3558 } else { 3559 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3560 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3561 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3562 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3563 SCTP_INP_RLOCK(inp); 3564 av->assoc_value = inp->pktdrop_supported; 3565 SCTP_INP_RUNLOCK(inp); 3566 } else { 3567 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3568 error = EINVAL; 3569 } 3570 } 3571 if (error == 0) { 3572 *optsize = sizeof(struct sctp_assoc_value); 3573 } 3574 break; 3575 } 3576 case SCTP_ENABLE_STREAM_RESET: 3577 { 3578 struct sctp_assoc_value *av; 3579 3580 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3581 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3582 3583 if (stcb) { 3584 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3585 SCTP_TCB_UNLOCK(stcb); 3586 } else { 3587 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3588 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3589 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3590 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3591 SCTP_INP_RLOCK(inp); 3592 av->assoc_value = (uint32_t)inp->local_strreset_support; 3593 SCTP_INP_RUNLOCK(inp); 3594 } else { 3595 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3596 error = EINVAL; 3597 } 3598 } 3599 if (error == 0) { 3600 *optsize = sizeof(struct sctp_assoc_value); 3601 } 3602 break; 3603 } 3604 case SCTP_PR_STREAM_STATUS: 3605 { 3606 struct sctp_prstatus *sprstat; 3607 uint16_t sid; 3608 uint16_t policy; 3609 3610 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3611 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3612 3613 sid = sprstat->sprstat_sid; 3614 policy = sprstat->sprstat_policy; 3615 #if defined(SCTP_DETAILED_STR_STATS) 3616 if ((stcb != NULL) && 3617 (sid < stcb->asoc.streamoutcnt) && 3618 (policy != SCTP_PR_SCTP_NONE) && 3619 ((policy <= SCTP_PR_SCTP_MAX) || 3620 (policy == SCTP_PR_SCTP_ALL))) { 3621 if (policy == SCTP_PR_SCTP_ALL) { 3622 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3623 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3624 } else { 3625 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3626 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3627 } 3628 #else 3629 if ((stcb != NULL) && 3630 (sid < stcb->asoc.streamoutcnt) && 3631 (policy == SCTP_PR_SCTP_ALL)) { 3632 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3633 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3634 #endif 3635 } else { 3636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3637 error = EINVAL; 3638 } 3639 if (stcb != NULL) { 3640 SCTP_TCB_UNLOCK(stcb); 3641 } 3642 if (error == 0) { 3643 *optsize = sizeof(struct sctp_prstatus); 3644 } 3645 break; 3646 } 3647 case SCTP_PR_ASSOC_STATUS: 3648 { 3649 struct sctp_prstatus *sprstat; 3650 uint16_t policy; 3651 3652 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3653 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3654 3655 policy = sprstat->sprstat_policy; 3656 if ((stcb != NULL) && 3657 (policy != SCTP_PR_SCTP_NONE) && 3658 ((policy <= SCTP_PR_SCTP_MAX) || 3659 (policy == SCTP_PR_SCTP_ALL))) { 3660 if (policy == SCTP_PR_SCTP_ALL) { 3661 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3662 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3663 } else { 3664 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3665 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3666 } 3667 } else { 3668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3669 error = EINVAL; 3670 } 3671 if (stcb != NULL) { 3672 SCTP_TCB_UNLOCK(stcb); 3673 } 3674 if (error == 0) { 3675 *optsize = sizeof(struct sctp_prstatus); 3676 } 3677 break; 3678 } 3679 case SCTP_MAX_CWND: 3680 { 3681 struct sctp_assoc_value *av; 3682 3683 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3684 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3685 3686 if (stcb) { 3687 av->assoc_value = stcb->asoc.max_cwnd; 3688 SCTP_TCB_UNLOCK(stcb); 3689 } else { 3690 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3691 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3692 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3693 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3694 SCTP_INP_RLOCK(inp); 3695 av->assoc_value = inp->max_cwnd; 3696 SCTP_INP_RUNLOCK(inp); 3697 } else { 3698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3699 error = EINVAL; 3700 } 3701 } 3702 if (error == 0) { 3703 *optsize = sizeof(struct sctp_assoc_value); 3704 } 3705 break; 3706 } 3707 default: 3708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3709 error = ENOPROTOOPT; 3710 break; 3711 } /* end switch (sopt->sopt_name) */ 3712 if (error) { 3713 *optsize = 0; 3714 } 3715 return (error); 3716 } 3717 3718 static int 3719 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3720 void *p) 3721 { 3722 int error, set_opt; 3723 uint32_t *mopt; 3724 struct sctp_tcb *stcb = NULL; 3725 struct sctp_inpcb *inp = NULL; 3726 uint32_t vrf_id; 3727 3728 if (optval == NULL) { 3729 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3730 return (EINVAL); 3731 } 3732 inp = (struct sctp_inpcb *)so->so_pcb; 3733 if (inp == NULL) { 3734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3735 return (EINVAL); 3736 } 3737 vrf_id = inp->def_vrf_id; 3738 3739 error = 0; 3740 switch (optname) { 3741 case SCTP_NODELAY: 3742 case SCTP_AUTOCLOSE: 3743 case SCTP_AUTO_ASCONF: 3744 case SCTP_EXPLICIT_EOR: 3745 case SCTP_DISABLE_FRAGMENTS: 3746 case SCTP_USE_EXT_RCVINFO: 3747 case SCTP_I_WANT_MAPPED_V4_ADDR: 3748 /* copy in the option value */ 3749 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3750 set_opt = 0; 3751 if (error) 3752 break; 3753 switch (optname) { 3754 case SCTP_DISABLE_FRAGMENTS: 3755 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3756 break; 3757 case SCTP_AUTO_ASCONF: 3758 /* 3759 * NOTE: we don't really support this flag 3760 */ 3761 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3762 /* only valid for bound all sockets */ 3763 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3764 (*mopt != 0)) { 3765 /* forbidden by admin */ 3766 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3767 return (EPERM); 3768 } 3769 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3770 } else { 3771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3772 return (EINVAL); 3773 } 3774 break; 3775 case SCTP_EXPLICIT_EOR: 3776 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3777 break; 3778 case SCTP_USE_EXT_RCVINFO: 3779 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3780 break; 3781 case SCTP_I_WANT_MAPPED_V4_ADDR: 3782 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3783 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3784 } else { 3785 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3786 return (EINVAL); 3787 } 3788 break; 3789 case SCTP_NODELAY: 3790 set_opt = SCTP_PCB_FLAGS_NODELAY; 3791 break; 3792 case SCTP_AUTOCLOSE: 3793 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3794 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3796 return (EINVAL); 3797 } 3798 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3799 /* 3800 * The value is in ticks. Note this does not effect 3801 * old associations, only new ones. 3802 */ 3803 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3804 break; 3805 } 3806 SCTP_INP_WLOCK(inp); 3807 if (*mopt != 0) { 3808 sctp_feature_on(inp, set_opt); 3809 } else { 3810 sctp_feature_off(inp, set_opt); 3811 } 3812 SCTP_INP_WUNLOCK(inp); 3813 break; 3814 case SCTP_REUSE_PORT: 3815 { 3816 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3817 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3818 /* Can't set it after we are bound */ 3819 error = EINVAL; 3820 break; 3821 } 3822 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3823 /* Can't do this for a 1-m socket */ 3824 error = EINVAL; 3825 break; 3826 } 3827 if (optval) 3828 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3829 else 3830 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3831 break; 3832 } 3833 case SCTP_PARTIAL_DELIVERY_POINT: 3834 { 3835 uint32_t *value; 3836 3837 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3838 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3840 error = EINVAL; 3841 break; 3842 } 3843 inp->partial_delivery_point = *value; 3844 break; 3845 } 3846 case SCTP_FRAGMENT_INTERLEAVE: 3847 /* not yet until we re-write sctp_recvmsg() */ 3848 { 3849 uint32_t *level; 3850 3851 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3852 if (*level == SCTP_FRAG_LEVEL_2) { 3853 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3854 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3855 } else if (*level == SCTP_FRAG_LEVEL_1) { 3856 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3857 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3858 } else if (*level == SCTP_FRAG_LEVEL_0) { 3859 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3860 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3861 3862 } else { 3863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3864 error = EINVAL; 3865 } 3866 break; 3867 } 3868 case SCTP_INTERLEAVING_SUPPORTED: 3869 { 3870 struct sctp_assoc_value *av; 3871 3872 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3873 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3874 3875 if (stcb) { 3876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3877 error = EINVAL; 3878 SCTP_TCB_UNLOCK(stcb); 3879 } else { 3880 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3881 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3882 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3883 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3884 SCTP_INP_WLOCK(inp); 3885 if (av->assoc_value == 0) { 3886 inp->idata_supported = 0; 3887 } else { 3888 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3889 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3890 inp->idata_supported = 1; 3891 } else { 3892 /* 3893 * Must have Frag 3894 * interleave and 3895 * stream interleave 3896 * on 3897 */ 3898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3899 error = EINVAL; 3900 } 3901 } 3902 SCTP_INP_WUNLOCK(inp); 3903 } else { 3904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3905 error = EINVAL; 3906 } 3907 } 3908 break; 3909 } 3910 case SCTP_CMT_ON_OFF: 3911 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3912 struct sctp_assoc_value *av; 3913 3914 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3915 if (av->assoc_value > SCTP_CMT_MAX) { 3916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3917 error = EINVAL; 3918 break; 3919 } 3920 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3921 if (stcb) { 3922 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3923 SCTP_TCB_UNLOCK(stcb); 3924 } else { 3925 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3926 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3927 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3928 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3929 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3930 SCTP_INP_WLOCK(inp); 3931 inp->sctp_cmt_on_off = av->assoc_value; 3932 SCTP_INP_WUNLOCK(inp); 3933 } 3934 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3935 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3936 (av->assoc_id == SCTP_ALL_ASSOC))) { 3937 SCTP_INP_RLOCK(inp); 3938 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3939 SCTP_TCB_LOCK(stcb); 3940 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3941 SCTP_TCB_UNLOCK(stcb); 3942 } 3943 SCTP_INP_RUNLOCK(inp); 3944 } 3945 } 3946 } else { 3947 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3948 error = ENOPROTOOPT; 3949 } 3950 break; 3951 case SCTP_PLUGGABLE_CC: 3952 { 3953 struct sctp_assoc_value *av; 3954 struct sctp_nets *net; 3955 3956 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3957 if ((av->assoc_value != SCTP_CC_RFC2581) && 3958 (av->assoc_value != SCTP_CC_HSTCP) && 3959 (av->assoc_value != SCTP_CC_HTCP) && 3960 (av->assoc_value != SCTP_CC_RTCC)) { 3961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3962 error = EINVAL; 3963 break; 3964 } 3965 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3966 if (stcb) { 3967 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3968 stcb->asoc.congestion_control_module = av->assoc_value; 3969 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3970 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3971 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3972 } 3973 } 3974 SCTP_TCB_UNLOCK(stcb); 3975 } else { 3976 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3977 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3978 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3979 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3980 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3981 SCTP_INP_WLOCK(inp); 3982 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3983 SCTP_INP_WUNLOCK(inp); 3984 } 3985 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3986 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3987 (av->assoc_id == SCTP_ALL_ASSOC))) { 3988 SCTP_INP_RLOCK(inp); 3989 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3990 SCTP_TCB_LOCK(stcb); 3991 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3992 stcb->asoc.congestion_control_module = av->assoc_value; 3993 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3994 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3995 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3996 } 3997 } 3998 SCTP_TCB_UNLOCK(stcb); 3999 } 4000 SCTP_INP_RUNLOCK(inp); 4001 } 4002 } 4003 break; 4004 } 4005 case SCTP_CC_OPTION: 4006 { 4007 struct sctp_cc_option *cc_opt; 4008 4009 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4010 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4011 if (stcb == NULL) { 4012 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4013 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4014 SCTP_INP_RLOCK(inp); 4015 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4016 SCTP_TCB_LOCK(stcb); 4017 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4018 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4019 } 4020 SCTP_TCB_UNLOCK(stcb); 4021 } 4022 SCTP_INP_RUNLOCK(inp); 4023 } else { 4024 error = EINVAL; 4025 } 4026 } else { 4027 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4028 error = ENOTSUP; 4029 } else { 4030 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4031 cc_opt); 4032 } 4033 SCTP_TCB_UNLOCK(stcb); 4034 } 4035 break; 4036 } 4037 case SCTP_PLUGGABLE_SS: 4038 { 4039 struct sctp_assoc_value *av; 4040 4041 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4042 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4043 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4044 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4045 (av->assoc_value != SCTP_SS_PRIORITY) && 4046 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4047 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4048 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4049 error = EINVAL; 4050 break; 4051 } 4052 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4053 if (stcb) { 4054 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4055 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4056 stcb->asoc.stream_scheduling_module = av->assoc_value; 4057 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4058 SCTP_TCB_UNLOCK(stcb); 4059 } else { 4060 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4061 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4062 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4063 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4064 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4065 SCTP_INP_WLOCK(inp); 4066 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4067 SCTP_INP_WUNLOCK(inp); 4068 } 4069 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4070 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4071 (av->assoc_id == SCTP_ALL_ASSOC))) { 4072 SCTP_INP_RLOCK(inp); 4073 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4074 SCTP_TCB_LOCK(stcb); 4075 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4076 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4077 stcb->asoc.stream_scheduling_module = av->assoc_value; 4078 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4079 SCTP_TCB_UNLOCK(stcb); 4080 } 4081 SCTP_INP_RUNLOCK(inp); 4082 } 4083 } 4084 break; 4085 } 4086 case SCTP_SS_VALUE: 4087 { 4088 struct sctp_stream_value *av; 4089 4090 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4091 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4092 if (stcb) { 4093 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4094 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4095 av->stream_value) < 0)) { 4096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4097 error = EINVAL; 4098 } 4099 SCTP_TCB_UNLOCK(stcb); 4100 } else { 4101 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4102 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4103 SCTP_INP_RLOCK(inp); 4104 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4105 SCTP_TCB_LOCK(stcb); 4106 if (av->stream_id < stcb->asoc.streamoutcnt) { 4107 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4108 &stcb->asoc, 4109 &stcb->asoc.strmout[av->stream_id], 4110 av->stream_value); 4111 } 4112 SCTP_TCB_UNLOCK(stcb); 4113 } 4114 SCTP_INP_RUNLOCK(inp); 4115 } else { 4116 /* 4117 * Can't set stream value without 4118 * association 4119 */ 4120 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4121 error = EINVAL; 4122 } 4123 } 4124 break; 4125 } 4126 case SCTP_CLR_STAT_LOG: 4127 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4128 error = EOPNOTSUPP; 4129 break; 4130 case SCTP_CONTEXT: 4131 { 4132 struct sctp_assoc_value *av; 4133 4134 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4135 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4136 4137 if (stcb) { 4138 stcb->asoc.context = av->assoc_value; 4139 SCTP_TCB_UNLOCK(stcb); 4140 } else { 4141 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4142 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4143 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4144 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4145 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4146 SCTP_INP_WLOCK(inp); 4147 inp->sctp_context = av->assoc_value; 4148 SCTP_INP_WUNLOCK(inp); 4149 } 4150 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4151 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4152 (av->assoc_id == SCTP_ALL_ASSOC))) { 4153 SCTP_INP_RLOCK(inp); 4154 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4155 SCTP_TCB_LOCK(stcb); 4156 stcb->asoc.context = av->assoc_value; 4157 SCTP_TCB_UNLOCK(stcb); 4158 } 4159 SCTP_INP_RUNLOCK(inp); 4160 } 4161 } 4162 break; 4163 } 4164 case SCTP_VRF_ID: 4165 { 4166 uint32_t *default_vrfid; 4167 4168 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4169 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4171 error = EINVAL; 4172 break; 4173 } 4174 inp->def_vrf_id = *default_vrfid; 4175 break; 4176 } 4177 case SCTP_DEL_VRF_ID: 4178 { 4179 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4180 error = EOPNOTSUPP; 4181 break; 4182 } 4183 case SCTP_ADD_VRF_ID: 4184 { 4185 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4186 error = EOPNOTSUPP; 4187 break; 4188 } 4189 case SCTP_DELAYED_SACK: 4190 { 4191 struct sctp_sack_info *sack; 4192 4193 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4194 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4195 if (sack->sack_delay) { 4196 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4197 error = EINVAL; 4198 if (stcb != NULL) { 4199 SCTP_TCB_UNLOCK(stcb); 4200 } 4201 break; 4202 } 4203 } 4204 if (stcb) { 4205 if (sack->sack_delay) { 4206 stcb->asoc.delayed_ack = sack->sack_delay; 4207 } 4208 if (sack->sack_freq) { 4209 stcb->asoc.sack_freq = sack->sack_freq; 4210 } 4211 SCTP_TCB_UNLOCK(stcb); 4212 } else { 4213 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4214 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4215 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4216 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4217 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4218 SCTP_INP_WLOCK(inp); 4219 if (sack->sack_delay) { 4220 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4221 } 4222 if (sack->sack_freq) { 4223 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4224 } 4225 SCTP_INP_WUNLOCK(inp); 4226 } 4227 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4228 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4229 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4230 SCTP_INP_RLOCK(inp); 4231 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4232 SCTP_TCB_LOCK(stcb); 4233 if (sack->sack_delay) { 4234 stcb->asoc.delayed_ack = sack->sack_delay; 4235 } 4236 if (sack->sack_freq) { 4237 stcb->asoc.sack_freq = sack->sack_freq; 4238 } 4239 SCTP_TCB_UNLOCK(stcb); 4240 } 4241 SCTP_INP_RUNLOCK(inp); 4242 } 4243 } 4244 break; 4245 } 4246 case SCTP_AUTH_CHUNK: 4247 { 4248 struct sctp_authchunk *sauth; 4249 4250 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4251 4252 SCTP_INP_WLOCK(inp); 4253 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4255 error = EINVAL; 4256 } else { 4257 inp->auth_supported = 1; 4258 } 4259 SCTP_INP_WUNLOCK(inp); 4260 break; 4261 } 4262 case SCTP_AUTH_KEY: 4263 { 4264 struct sctp_authkey *sca; 4265 struct sctp_keyhead *shared_keys; 4266 sctp_sharedkey_t *shared_key; 4267 sctp_key_t *key = NULL; 4268 size_t size; 4269 4270 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4271 if (sca->sca_keylength == 0) { 4272 size = optsize - sizeof(struct sctp_authkey); 4273 } else { 4274 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4275 size = sca->sca_keylength; 4276 } else { 4277 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4278 error = EINVAL; 4279 break; 4280 } 4281 } 4282 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4283 4284 if (stcb) { 4285 shared_keys = &stcb->asoc.shared_keys; 4286 /* clear the cached keys for this key id */ 4287 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4288 /* 4289 * create the new shared key and 4290 * insert/replace it 4291 */ 4292 if (size > 0) { 4293 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4294 if (key == NULL) { 4295 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4296 error = ENOMEM; 4297 SCTP_TCB_UNLOCK(stcb); 4298 break; 4299 } 4300 } 4301 shared_key = sctp_alloc_sharedkey(); 4302 if (shared_key == NULL) { 4303 sctp_free_key(key); 4304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4305 error = ENOMEM; 4306 SCTP_TCB_UNLOCK(stcb); 4307 break; 4308 } 4309 shared_key->key = key; 4310 shared_key->keyid = sca->sca_keynumber; 4311 error = sctp_insert_sharedkey(shared_keys, shared_key); 4312 SCTP_TCB_UNLOCK(stcb); 4313 } else { 4314 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4315 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4316 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4317 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4318 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4319 SCTP_INP_WLOCK(inp); 4320 shared_keys = &inp->sctp_ep.shared_keys; 4321 /* 4322 * clear the cached keys on all 4323 * assocs for this key id 4324 */ 4325 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4326 /* 4327 * create the new shared key and 4328 * insert/replace it 4329 */ 4330 if (size > 0) { 4331 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4332 if (key == NULL) { 4333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4334 error = ENOMEM; 4335 SCTP_INP_WUNLOCK(inp); 4336 break; 4337 } 4338 } 4339 shared_key = sctp_alloc_sharedkey(); 4340 if (shared_key == NULL) { 4341 sctp_free_key(key); 4342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4343 error = ENOMEM; 4344 SCTP_INP_WUNLOCK(inp); 4345 break; 4346 } 4347 shared_key->key = key; 4348 shared_key->keyid = sca->sca_keynumber; 4349 error = sctp_insert_sharedkey(shared_keys, shared_key); 4350 SCTP_INP_WUNLOCK(inp); 4351 } 4352 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4353 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4354 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4355 SCTP_INP_RLOCK(inp); 4356 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4357 SCTP_TCB_LOCK(stcb); 4358 shared_keys = &stcb->asoc.shared_keys; 4359 /* 4360 * clear the cached keys for 4361 * this key id 4362 */ 4363 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4364 /* 4365 * create the new shared key 4366 * and insert/replace it 4367 */ 4368 if (size > 0) { 4369 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4370 if (key == NULL) { 4371 SCTP_TCB_UNLOCK(stcb); 4372 continue; 4373 } 4374 } 4375 shared_key = sctp_alloc_sharedkey(); 4376 if (shared_key == NULL) { 4377 sctp_free_key(key); 4378 SCTP_TCB_UNLOCK(stcb); 4379 continue; 4380 } 4381 shared_key->key = key; 4382 shared_key->keyid = sca->sca_keynumber; 4383 error = sctp_insert_sharedkey(shared_keys, shared_key); 4384 SCTP_TCB_UNLOCK(stcb); 4385 } 4386 SCTP_INP_RUNLOCK(inp); 4387 } 4388 } 4389 break; 4390 } 4391 case SCTP_HMAC_IDENT: 4392 { 4393 struct sctp_hmacalgo *shmac; 4394 sctp_hmaclist_t *hmaclist; 4395 uint16_t hmacid; 4396 uint32_t i; 4397 4398 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4399 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4400 (shmac->shmac_number_of_idents > 0xffff)) { 4401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4402 error = EINVAL; 4403 break; 4404 } 4405 4406 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4407 if (hmaclist == NULL) { 4408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4409 error = ENOMEM; 4410 break; 4411 } 4412 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4413 hmacid = shmac->shmac_idents[i]; 4414 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4415 /* invalid HMACs were found */ ; 4416 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4417 error = EINVAL; 4418 sctp_free_hmaclist(hmaclist); 4419 goto sctp_set_hmac_done; 4420 } 4421 } 4422 for (i = 0; i < hmaclist->num_algo; i++) { 4423 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4424 /* already in list */ 4425 break; 4426 } 4427 } 4428 if (i == hmaclist->num_algo) { 4429 /* not found in list */ 4430 sctp_free_hmaclist(hmaclist); 4431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4432 error = EINVAL; 4433 break; 4434 } 4435 /* set it on the endpoint */ 4436 SCTP_INP_WLOCK(inp); 4437 if (inp->sctp_ep.local_hmacs) 4438 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4439 inp->sctp_ep.local_hmacs = hmaclist; 4440 SCTP_INP_WUNLOCK(inp); 4441 sctp_set_hmac_done: 4442 break; 4443 } 4444 case SCTP_AUTH_ACTIVE_KEY: 4445 { 4446 struct sctp_authkeyid *scact; 4447 4448 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4449 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4450 4451 /* set the active key on the right place */ 4452 if (stcb) { 4453 /* set the active key on the assoc */ 4454 if (sctp_auth_setactivekey(stcb, 4455 scact->scact_keynumber)) { 4456 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4457 SCTP_FROM_SCTP_USRREQ, 4458 EINVAL); 4459 error = EINVAL; 4460 } 4461 SCTP_TCB_UNLOCK(stcb); 4462 } else { 4463 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4464 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4465 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4466 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4467 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4468 SCTP_INP_WLOCK(inp); 4469 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4470 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4471 error = EINVAL; 4472 } 4473 SCTP_INP_WUNLOCK(inp); 4474 } 4475 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4476 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4477 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4478 SCTP_INP_RLOCK(inp); 4479 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4480 SCTP_TCB_LOCK(stcb); 4481 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4482 SCTP_TCB_UNLOCK(stcb); 4483 } 4484 SCTP_INP_RUNLOCK(inp); 4485 } 4486 } 4487 break; 4488 } 4489 case SCTP_AUTH_DELETE_KEY: 4490 { 4491 struct sctp_authkeyid *scdel; 4492 4493 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4494 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4495 4496 /* delete the key from the right place */ 4497 if (stcb) { 4498 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4500 error = EINVAL; 4501 } 4502 SCTP_TCB_UNLOCK(stcb); 4503 } else { 4504 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4505 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4506 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4507 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4508 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4509 SCTP_INP_WLOCK(inp); 4510 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4512 error = EINVAL; 4513 } 4514 SCTP_INP_WUNLOCK(inp); 4515 } 4516 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4517 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4518 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4519 SCTP_INP_RLOCK(inp); 4520 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4521 SCTP_TCB_LOCK(stcb); 4522 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4523 SCTP_TCB_UNLOCK(stcb); 4524 } 4525 SCTP_INP_RUNLOCK(inp); 4526 } 4527 } 4528 break; 4529 } 4530 case SCTP_AUTH_DEACTIVATE_KEY: 4531 { 4532 struct sctp_authkeyid *keyid; 4533 4534 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4535 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4536 4537 /* deactivate the key from the right place */ 4538 if (stcb) { 4539 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4541 error = EINVAL; 4542 } 4543 SCTP_TCB_UNLOCK(stcb); 4544 } else { 4545 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4546 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4547 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4548 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4549 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4550 SCTP_INP_WLOCK(inp); 4551 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4553 error = EINVAL; 4554 } 4555 SCTP_INP_WUNLOCK(inp); 4556 } 4557 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4558 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4559 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4560 SCTP_INP_RLOCK(inp); 4561 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4562 SCTP_TCB_LOCK(stcb); 4563 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4564 SCTP_TCB_UNLOCK(stcb); 4565 } 4566 SCTP_INP_RUNLOCK(inp); 4567 } 4568 } 4569 break; 4570 } 4571 case SCTP_ENABLE_STREAM_RESET: 4572 { 4573 struct sctp_assoc_value *av; 4574 4575 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4576 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4577 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4578 error = EINVAL; 4579 break; 4580 } 4581 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4582 if (stcb) { 4583 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4584 SCTP_TCB_UNLOCK(stcb); 4585 } else { 4586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4588 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4589 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4590 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4591 SCTP_INP_WLOCK(inp); 4592 inp->local_strreset_support = (uint8_t)av->assoc_value; 4593 SCTP_INP_WUNLOCK(inp); 4594 } 4595 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4596 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4597 (av->assoc_id == SCTP_ALL_ASSOC))) { 4598 SCTP_INP_RLOCK(inp); 4599 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4600 SCTP_TCB_LOCK(stcb); 4601 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4602 SCTP_TCB_UNLOCK(stcb); 4603 } 4604 SCTP_INP_RUNLOCK(inp); 4605 } 4606 } 4607 break; 4608 } 4609 case SCTP_RESET_STREAMS: 4610 { 4611 struct sctp_reset_streams *strrst; 4612 int i, send_out = 0; 4613 int send_in = 0; 4614 4615 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4616 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4617 if (stcb == NULL) { 4618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4619 error = ENOENT; 4620 break; 4621 } 4622 if (stcb->asoc.reconfig_supported == 0) { 4623 /* 4624 * Peer does not support the chunk type. 4625 */ 4626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4627 error = EOPNOTSUPP; 4628 SCTP_TCB_UNLOCK(stcb); 4629 break; 4630 } 4631 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4632 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4633 error = EINVAL; 4634 SCTP_TCB_UNLOCK(stcb); 4635 break; 4636 } 4637 if (sizeof(struct sctp_reset_streams) + 4638 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4639 error = EINVAL; 4640 SCTP_TCB_UNLOCK(stcb); 4641 break; 4642 } 4643 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4644 send_in = 1; 4645 if (stcb->asoc.stream_reset_outstanding) { 4646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4647 error = EALREADY; 4648 SCTP_TCB_UNLOCK(stcb); 4649 break; 4650 } 4651 } 4652 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4653 send_out = 1; 4654 } 4655 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4657 error = ENOMEM; 4658 SCTP_TCB_UNLOCK(stcb); 4659 break; 4660 } 4661 if ((send_in == 0) && (send_out == 0)) { 4662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4663 error = EINVAL; 4664 SCTP_TCB_UNLOCK(stcb); 4665 break; 4666 } 4667 for (i = 0; i < strrst->srs_number_streams; i++) { 4668 if ((send_in) && 4669 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4671 error = EINVAL; 4672 break; 4673 } 4674 if ((send_out) && 4675 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4677 error = EINVAL; 4678 break; 4679 } 4680 } 4681 if (error) { 4682 SCTP_TCB_UNLOCK(stcb); 4683 break; 4684 } 4685 if (send_out) { 4686 int cnt; 4687 uint16_t strm; 4688 4689 if (strrst->srs_number_streams) { 4690 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4691 strm = strrst->srs_stream_list[i]; 4692 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4693 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4694 cnt++; 4695 } 4696 } 4697 } else { 4698 /* Its all */ 4699 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4700 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4701 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4702 cnt++; 4703 } 4704 } 4705 } 4706 } 4707 if (send_in) { 4708 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4709 strrst->srs_stream_list, 4710 send_in, 0, 0, 0, 0, 0); 4711 } else { 4712 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4713 } 4714 if (error == 0) { 4715 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4716 } else { 4717 /* 4718 * For outgoing streams don't report any 4719 * problems in sending the request to the 4720 * application. XXX: Double check resetting 4721 * incoming streams. 4722 */ 4723 error = 0; 4724 } 4725 SCTP_TCB_UNLOCK(stcb); 4726 break; 4727 } 4728 case SCTP_ADD_STREAMS: 4729 { 4730 struct sctp_add_streams *stradd; 4731 uint8_t addstream = 0; 4732 uint16_t add_o_strmcnt = 0; 4733 uint16_t add_i_strmcnt = 0; 4734 4735 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4736 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4737 if (stcb == NULL) { 4738 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4739 error = ENOENT; 4740 break; 4741 } 4742 if (stcb->asoc.reconfig_supported == 0) { 4743 /* 4744 * Peer does not support the chunk type. 4745 */ 4746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4747 error = EOPNOTSUPP; 4748 SCTP_TCB_UNLOCK(stcb); 4749 break; 4750 } 4751 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4753 error = EINVAL; 4754 SCTP_TCB_UNLOCK(stcb); 4755 break; 4756 } 4757 if (stcb->asoc.stream_reset_outstanding) { 4758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4759 error = EALREADY; 4760 SCTP_TCB_UNLOCK(stcb); 4761 break; 4762 } 4763 if ((stradd->sas_outstrms == 0) && 4764 (stradd->sas_instrms == 0)) { 4765 error = EINVAL; 4766 goto skip_stuff; 4767 } 4768 if (stradd->sas_outstrms) { 4769 addstream = 1; 4770 /* We allocate here */ 4771 add_o_strmcnt = stradd->sas_outstrms; 4772 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4773 /* You can't have more than 64k */ 4774 error = EINVAL; 4775 goto skip_stuff; 4776 } 4777 } 4778 if (stradd->sas_instrms) { 4779 int cnt; 4780 4781 addstream |= 2; 4782 /* 4783 * We allocate inside 4784 * sctp_send_str_reset_req() 4785 */ 4786 add_i_strmcnt = stradd->sas_instrms; 4787 cnt = add_i_strmcnt; 4788 cnt += stcb->asoc.streamincnt; 4789 if (cnt > 0x0000ffff) { 4790 /* You can't have more than 64k */ 4791 error = EINVAL; 4792 goto skip_stuff; 4793 } 4794 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4795 /* More than you are allowed */ 4796 error = EINVAL; 4797 goto skip_stuff; 4798 } 4799 } 4800 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4801 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4802 skip_stuff: 4803 SCTP_TCB_UNLOCK(stcb); 4804 break; 4805 } 4806 case SCTP_RESET_ASSOC: 4807 { 4808 int i; 4809 uint32_t *value; 4810 4811 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4812 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4813 if (stcb == NULL) { 4814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4815 error = ENOENT; 4816 break; 4817 } 4818 if (stcb->asoc.reconfig_supported == 0) { 4819 /* 4820 * Peer does not support the chunk type. 4821 */ 4822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4823 error = EOPNOTSUPP; 4824 SCTP_TCB_UNLOCK(stcb); 4825 break; 4826 } 4827 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4829 error = EINVAL; 4830 SCTP_TCB_UNLOCK(stcb); 4831 break; 4832 } 4833 if (stcb->asoc.stream_reset_outstanding) { 4834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4835 error = EALREADY; 4836 SCTP_TCB_UNLOCK(stcb); 4837 break; 4838 } 4839 /* 4840 * Is there any data pending in the send or sent 4841 * queues? 4842 */ 4843 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4844 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4845 busy_out: 4846 error = EBUSY; 4847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4848 SCTP_TCB_UNLOCK(stcb); 4849 break; 4850 } 4851 /* Do any streams have data queued? */ 4852 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4853 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4854 goto busy_out; 4855 } 4856 } 4857 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4858 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4859 SCTP_TCB_UNLOCK(stcb); 4860 break; 4861 } 4862 case SCTP_CONNECT_X: 4863 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4865 error = EINVAL; 4866 break; 4867 } 4868 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4869 break; 4870 case SCTP_CONNECT_X_DELAYED: 4871 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4873 error = EINVAL; 4874 break; 4875 } 4876 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4877 break; 4878 case SCTP_CONNECT_X_COMPLETE: 4879 { 4880 struct sockaddr *sa; 4881 4882 /* FIXME MT: check correct? */ 4883 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4884 4885 /* find tcb */ 4886 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4887 SCTP_INP_RLOCK(inp); 4888 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4889 if (stcb) { 4890 SCTP_TCB_LOCK(stcb); 4891 } 4892 SCTP_INP_RUNLOCK(inp); 4893 } else { 4894 /* 4895 * We increment here since 4896 * sctp_findassociation_ep_addr() wil do a 4897 * decrement if it finds the stcb as long as 4898 * the locked tcb (last argument) is NOT a 4899 * TCB.. aka NULL. 4900 */ 4901 SCTP_INP_INCR_REF(inp); 4902 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4903 if (stcb == NULL) { 4904 SCTP_INP_DECR_REF(inp); 4905 } 4906 } 4907 4908 if (stcb == NULL) { 4909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4910 error = ENOENT; 4911 break; 4912 } 4913 if (stcb->asoc.delayed_connection == 1) { 4914 stcb->asoc.delayed_connection = 0; 4915 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4916 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4917 stcb->asoc.primary_destination, 4918 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4919 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4920 } else { 4921 /* 4922 * already expired or did not use delayed 4923 * connectx 4924 */ 4925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4926 error = EALREADY; 4927 } 4928 SCTP_TCB_UNLOCK(stcb); 4929 break; 4930 } 4931 case SCTP_MAX_BURST: 4932 { 4933 struct sctp_assoc_value *av; 4934 4935 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4936 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4937 4938 if (stcb) { 4939 stcb->asoc.max_burst = av->assoc_value; 4940 SCTP_TCB_UNLOCK(stcb); 4941 } else { 4942 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4943 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4944 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4945 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4946 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4947 SCTP_INP_WLOCK(inp); 4948 inp->sctp_ep.max_burst = av->assoc_value; 4949 SCTP_INP_WUNLOCK(inp); 4950 } 4951 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4952 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4953 (av->assoc_id == SCTP_ALL_ASSOC))) { 4954 SCTP_INP_RLOCK(inp); 4955 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4956 SCTP_TCB_LOCK(stcb); 4957 stcb->asoc.max_burst = av->assoc_value; 4958 SCTP_TCB_UNLOCK(stcb); 4959 } 4960 SCTP_INP_RUNLOCK(inp); 4961 } 4962 } 4963 break; 4964 } 4965 case SCTP_MAXSEG: 4966 { 4967 struct sctp_assoc_value *av; 4968 4969 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4970 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4971 4972 if (stcb) { 4973 stcb->asoc.sctp_frag_point = av->assoc_value; 4974 SCTP_TCB_UNLOCK(stcb); 4975 } else { 4976 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4977 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4978 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4979 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 4980 SCTP_INP_WLOCK(inp); 4981 inp->sctp_frag_point = av->assoc_value; 4982 SCTP_INP_WUNLOCK(inp); 4983 } else { 4984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4985 error = EINVAL; 4986 } 4987 } 4988 break; 4989 } 4990 case SCTP_EVENTS: 4991 { 4992 struct sctp_event_subscribe *events; 4993 4994 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4995 4996 SCTP_INP_WLOCK(inp); 4997 if (events->sctp_data_io_event) { 4998 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4999 } else { 5000 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5001 } 5002 5003 if (events->sctp_association_event) { 5004 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5005 } else { 5006 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5007 } 5008 5009 if (events->sctp_address_event) { 5010 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5011 } else { 5012 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5013 } 5014 5015 if (events->sctp_send_failure_event) { 5016 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5017 } else { 5018 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5019 } 5020 5021 if (events->sctp_peer_error_event) { 5022 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5023 } else { 5024 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5025 } 5026 5027 if (events->sctp_shutdown_event) { 5028 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5029 } else { 5030 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5031 } 5032 5033 if (events->sctp_partial_delivery_event) { 5034 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5035 } else { 5036 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5037 } 5038 5039 if (events->sctp_adaptation_layer_event) { 5040 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5041 } else { 5042 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5043 } 5044 5045 if (events->sctp_authentication_event) { 5046 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5047 } else { 5048 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5049 } 5050 5051 if (events->sctp_sender_dry_event) { 5052 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5053 } else { 5054 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5055 } 5056 5057 if (events->sctp_stream_reset_event) { 5058 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5059 } else { 5060 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5061 } 5062 5063 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5064 SCTP_TCB_LOCK(stcb); 5065 if (events->sctp_association_event) { 5066 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5067 } else { 5068 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5069 } 5070 if (events->sctp_address_event) { 5071 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5072 } else { 5073 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5074 } 5075 if (events->sctp_send_failure_event) { 5076 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5077 } else { 5078 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5079 } 5080 if (events->sctp_peer_error_event) { 5081 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5082 } else { 5083 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5084 } 5085 if (events->sctp_shutdown_event) { 5086 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5087 } else { 5088 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5089 } 5090 if (events->sctp_partial_delivery_event) { 5091 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5092 } else { 5093 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5094 } 5095 if (events->sctp_adaptation_layer_event) { 5096 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5097 } else { 5098 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5099 } 5100 if (events->sctp_authentication_event) { 5101 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5102 } else { 5103 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5104 } 5105 if (events->sctp_sender_dry_event) { 5106 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5107 } else { 5108 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5109 } 5110 if (events->sctp_stream_reset_event) { 5111 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5112 } else { 5113 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5114 } 5115 SCTP_TCB_UNLOCK(stcb); 5116 } 5117 /* 5118 * Send up the sender dry event only for 1-to-1 5119 * style sockets. 5120 */ 5121 if (events->sctp_sender_dry_event) { 5122 if (((inp->sctp_flags & (SCTP_PCB_FLAGS_TCPTYPE | SCTP_PCB_FLAGS_IN_TCPPOOL)) != 0) && 5123 !SCTP_IS_LISTENING(inp)) { 5124 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5125 if (stcb != NULL) { 5126 SCTP_TCB_LOCK(stcb); 5127 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5128 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5129 (stcb->asoc.stream_queue_cnt == 0)) { 5130 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5131 } 5132 SCTP_TCB_UNLOCK(stcb); 5133 } 5134 } 5135 } 5136 SCTP_INP_WUNLOCK(inp); 5137 break; 5138 } 5139 case SCTP_ADAPTATION_LAYER: 5140 { 5141 struct sctp_setadaptation *adap_bits; 5142 5143 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5144 SCTP_INP_WLOCK(inp); 5145 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5146 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5147 SCTP_INP_WUNLOCK(inp); 5148 break; 5149 } 5150 #ifdef SCTP_DEBUG 5151 case SCTP_SET_INITIAL_DBG_SEQ: 5152 { 5153 uint32_t *vvv; 5154 5155 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5156 SCTP_INP_WLOCK(inp); 5157 inp->sctp_ep.initial_sequence_debug = *vvv; 5158 SCTP_INP_WUNLOCK(inp); 5159 break; 5160 } 5161 #endif 5162 case SCTP_DEFAULT_SEND_PARAM: 5163 { 5164 struct sctp_sndrcvinfo *s_info; 5165 5166 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5167 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5168 5169 if (stcb) { 5170 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5171 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5172 } else { 5173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5174 error = EINVAL; 5175 } 5176 SCTP_TCB_UNLOCK(stcb); 5177 } else { 5178 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5179 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5180 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5181 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5182 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5183 SCTP_INP_WLOCK(inp); 5184 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5185 SCTP_INP_WUNLOCK(inp); 5186 } 5187 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5188 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5189 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5190 SCTP_INP_RLOCK(inp); 5191 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5192 SCTP_TCB_LOCK(stcb); 5193 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5194 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5195 } 5196 SCTP_TCB_UNLOCK(stcb); 5197 } 5198 SCTP_INP_RUNLOCK(inp); 5199 } 5200 } 5201 break; 5202 } 5203 case SCTP_PEER_ADDR_PARAMS: 5204 { 5205 struct sctp_paddrparams *paddrp; 5206 struct sctp_nets *net; 5207 struct sockaddr *addr; 5208 #if defined(INET) && defined(INET6) 5209 struct sockaddr_in sin_store; 5210 #endif 5211 5212 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5213 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5214 5215 #if defined(INET) && defined(INET6) 5216 if (paddrp->spp_address.ss_family == AF_INET6) { 5217 struct sockaddr_in6 *sin6; 5218 5219 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5220 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5221 in6_sin6_2_sin(&sin_store, sin6); 5222 addr = (struct sockaddr *)&sin_store; 5223 } else { 5224 addr = (struct sockaddr *)&paddrp->spp_address; 5225 } 5226 } else { 5227 addr = (struct sockaddr *)&paddrp->spp_address; 5228 } 5229 #else 5230 addr = (struct sockaddr *)&paddrp->spp_address; 5231 #endif 5232 if (stcb != NULL) { 5233 net = sctp_findnet(stcb, addr); 5234 } else { 5235 /* 5236 * We increment here since 5237 * sctp_findassociation_ep_addr() wil do a 5238 * decrement if it finds the stcb as long as 5239 * the locked tcb (last argument) is NOT a 5240 * TCB.. aka NULL. 5241 */ 5242 net = NULL; 5243 SCTP_INP_INCR_REF(inp); 5244 stcb = sctp_findassociation_ep_addr(&inp, addr, 5245 &net, NULL, NULL); 5246 if (stcb == NULL) { 5247 SCTP_INP_DECR_REF(inp); 5248 } 5249 } 5250 if ((stcb != NULL) && (net == NULL)) { 5251 #ifdef INET 5252 if (addr->sa_family == AF_INET) { 5253 struct sockaddr_in *sin; 5254 5255 sin = (struct sockaddr_in *)addr; 5256 if (sin->sin_addr.s_addr != INADDR_ANY) { 5257 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5258 SCTP_TCB_UNLOCK(stcb); 5259 error = EINVAL; 5260 break; 5261 } 5262 } else 5263 #endif 5264 #ifdef INET6 5265 if (addr->sa_family == AF_INET6) { 5266 struct sockaddr_in6 *sin6; 5267 5268 sin6 = (struct sockaddr_in6 *)addr; 5269 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5270 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5271 SCTP_TCB_UNLOCK(stcb); 5272 error = EINVAL; 5273 break; 5274 } 5275 } else 5276 #endif 5277 { 5278 error = EAFNOSUPPORT; 5279 SCTP_TCB_UNLOCK(stcb); 5280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5281 break; 5282 } 5283 } 5284 /* sanity checks */ 5285 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5286 if (stcb) 5287 SCTP_TCB_UNLOCK(stcb); 5288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5289 return (EINVAL); 5290 } 5291 5292 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5293 if (stcb) 5294 SCTP_TCB_UNLOCK(stcb); 5295 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5296 return (EINVAL); 5297 } 5298 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5299 (paddrp->spp_pathmtu > 0) && 5300 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5301 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5302 if (stcb) 5303 SCTP_TCB_UNLOCK(stcb); 5304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5305 return (EINVAL); 5306 } 5307 5308 if (stcb != NULL) { 5309 /************************TCB SPECIFIC SET ******************/ 5310 if (net != NULL) { 5311 /************************NET SPECIFIC SET ******************/ 5312 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5313 if (((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) && 5314 ((net->dest_state & SCTP_ADDR_NOHB) == 0)) { 5315 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5316 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5317 } 5318 net->dest_state |= SCTP_ADDR_NOHB; 5319 } 5320 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5321 if (paddrp->spp_hbinterval) { 5322 net->heart_beat_delay = paddrp->spp_hbinterval; 5323 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5324 net->heart_beat_delay = 0; 5325 } 5326 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5327 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5328 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5329 net->dest_state &= ~SCTP_ADDR_NOHB; 5330 } 5331 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5332 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5333 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5334 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5335 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5336 } 5337 } 5338 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5339 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5340 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5341 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5342 } 5343 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5344 if (paddrp->spp_pathmtu > 0) { 5345 net->mtu = paddrp->spp_pathmtu; 5346 switch (net->ro._l_addr.sa.sa_family) { 5347 #ifdef INET 5348 case AF_INET: 5349 net->mtu += SCTP_MIN_V4_OVERHEAD; 5350 break; 5351 #endif 5352 #ifdef INET6 5353 case AF_INET6: 5354 net->mtu += SCTP_MIN_OVERHEAD; 5355 break; 5356 #endif 5357 default: 5358 break; 5359 } 5360 if (net->mtu < stcb->asoc.smallest_mtu) { 5361 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5362 } 5363 } 5364 } 5365 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5366 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5367 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5368 } 5369 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5370 } 5371 if (paddrp->spp_pathmaxrxt > 0) { 5372 if (net->dest_state & SCTP_ADDR_PF) { 5373 if (net->error_count > paddrp->spp_pathmaxrxt) { 5374 net->dest_state &= ~SCTP_ADDR_PF; 5375 } 5376 } else { 5377 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5378 (net->error_count > net->pf_threshold)) { 5379 net->dest_state |= SCTP_ADDR_PF; 5380 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5381 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5382 stcb->sctp_ep, stcb, net, 5383 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5384 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5385 } 5386 } 5387 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5388 if (net->error_count > paddrp->spp_pathmaxrxt) { 5389 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5390 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5391 } 5392 } else { 5393 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5394 net->dest_state |= SCTP_ADDR_REACHABLE; 5395 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5396 } 5397 } 5398 net->failure_threshold = paddrp->spp_pathmaxrxt; 5399 } 5400 if (paddrp->spp_flags & SPP_DSCP) { 5401 net->dscp = paddrp->spp_dscp & 0xfc; 5402 net->dscp |= 0x01; 5403 } 5404 #ifdef INET6 5405 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5406 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5407 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5408 net->flowlabel |= 0x80000000; 5409 } 5410 } 5411 #endif 5412 } else { 5413 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5414 if (paddrp->spp_pathmaxrxt > 0) { 5415 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5416 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5417 if (net->dest_state & SCTP_ADDR_PF) { 5418 if (net->error_count > paddrp->spp_pathmaxrxt) { 5419 net->dest_state &= ~SCTP_ADDR_PF; 5420 } 5421 } else { 5422 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5423 (net->error_count > net->pf_threshold)) { 5424 net->dest_state |= SCTP_ADDR_PF; 5425 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5426 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5427 stcb->sctp_ep, stcb, net, 5428 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5429 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5430 } 5431 } 5432 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5433 if (net->error_count > paddrp->spp_pathmaxrxt) { 5434 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5435 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5436 } 5437 } else { 5438 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5439 net->dest_state |= SCTP_ADDR_REACHABLE; 5440 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5441 } 5442 } 5443 net->failure_threshold = paddrp->spp_pathmaxrxt; 5444 } 5445 } 5446 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5447 if (paddrp->spp_hbinterval != 0) { 5448 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5449 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5450 stcb->asoc.heart_beat_delay = 0; 5451 } 5452 /* Turn back on the timer */ 5453 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5454 if (paddrp->spp_hbinterval != 0) { 5455 net->heart_beat_delay = paddrp->spp_hbinterval; 5456 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5457 net->heart_beat_delay = 0; 5458 } 5459 if (net->dest_state & SCTP_ADDR_NOHB) { 5460 net->dest_state &= ~SCTP_ADDR_NOHB; 5461 } 5462 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5463 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5464 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5465 } 5466 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5467 } 5468 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5469 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5470 if ((net->dest_state & SCTP_ADDR_NOHB) == 0) { 5471 net->dest_state |= SCTP_ADDR_NOHB; 5472 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5473 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5474 inp, stcb, net, 5475 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5476 } 5477 } 5478 } 5479 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5480 } 5481 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5482 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5483 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5484 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5485 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5486 } 5487 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5488 if (paddrp->spp_pathmtu > 0) { 5489 net->mtu = paddrp->spp_pathmtu; 5490 switch (net->ro._l_addr.sa.sa_family) { 5491 #ifdef INET 5492 case AF_INET: 5493 net->mtu += SCTP_MIN_V4_OVERHEAD; 5494 break; 5495 #endif 5496 #ifdef INET6 5497 case AF_INET6: 5498 net->mtu += SCTP_MIN_OVERHEAD; 5499 break; 5500 #endif 5501 default: 5502 break; 5503 } 5504 if (net->mtu < stcb->asoc.smallest_mtu) { 5505 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5506 } 5507 } 5508 } 5509 if (paddrp->spp_pathmtu > 0) { 5510 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5511 } 5512 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5513 } 5514 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5515 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5516 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5517 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5518 } 5519 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5520 } 5521 stcb->asoc.default_mtu = 0; 5522 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5523 } 5524 if (paddrp->spp_flags & SPP_DSCP) { 5525 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5526 net->dscp = paddrp->spp_dscp & 0xfc; 5527 net->dscp |= 0x01; 5528 } 5529 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5530 stcb->asoc.default_dscp |= 0x01; 5531 } 5532 #ifdef INET6 5533 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5534 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5535 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5536 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5537 net->flowlabel |= 0x80000000; 5538 } 5539 } 5540 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5541 stcb->asoc.default_flowlabel |= 0x80000000; 5542 } 5543 #endif 5544 } 5545 SCTP_TCB_UNLOCK(stcb); 5546 } else { 5547 /************************NO TCB, SET TO default stuff ******************/ 5548 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5549 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5550 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5551 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5552 SCTP_INP_WLOCK(inp); 5553 /* 5554 * For the TOS/FLOWLABEL stuff you 5555 * set it with the options on the 5556 * socket 5557 */ 5558 if (paddrp->spp_pathmaxrxt > 0) { 5559 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5560 } 5561 5562 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5563 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5564 else if (paddrp->spp_hbinterval != 0) { 5565 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5566 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5567 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5568 } 5569 5570 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5571 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5572 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5573 } else if (paddrp->spp_hbinterval) { 5574 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5575 } 5576 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5577 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5578 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5579 } 5580 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5581 inp->sctp_ep.default_mtu = 0; 5582 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5583 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5584 if (paddrp->spp_pathmtu > 0) { 5585 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5586 } 5587 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5588 } 5589 if (paddrp->spp_flags & SPP_DSCP) { 5590 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5591 inp->sctp_ep.default_dscp |= 0x01; 5592 } 5593 #ifdef INET6 5594 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5595 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5596 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5597 inp->sctp_ep.default_flowlabel |= 0x80000000; 5598 } 5599 } 5600 #endif 5601 SCTP_INP_WUNLOCK(inp); 5602 } else { 5603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5604 error = EINVAL; 5605 } 5606 } 5607 break; 5608 } 5609 case SCTP_RTOINFO: 5610 { 5611 struct sctp_rtoinfo *srto; 5612 uint32_t new_init, new_min, new_max; 5613 5614 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5615 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5616 5617 if (stcb) { 5618 if (srto->srto_initial) 5619 new_init = srto->srto_initial; 5620 else 5621 new_init = stcb->asoc.initial_rto; 5622 if (srto->srto_max) 5623 new_max = srto->srto_max; 5624 else 5625 new_max = stcb->asoc.maxrto; 5626 if (srto->srto_min) 5627 new_min = srto->srto_min; 5628 else 5629 new_min = stcb->asoc.minrto; 5630 if ((new_min <= new_init) && (new_init <= new_max)) { 5631 stcb->asoc.initial_rto = new_init; 5632 stcb->asoc.maxrto = new_max; 5633 stcb->asoc.minrto = new_min; 5634 } else { 5635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5636 error = EINVAL; 5637 } 5638 SCTP_TCB_UNLOCK(stcb); 5639 } else { 5640 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5641 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5642 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5643 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5644 SCTP_INP_WLOCK(inp); 5645 if (srto->srto_initial) 5646 new_init = srto->srto_initial; 5647 else 5648 new_init = inp->sctp_ep.initial_rto; 5649 if (srto->srto_max) 5650 new_max = srto->srto_max; 5651 else 5652 new_max = inp->sctp_ep.sctp_maxrto; 5653 if (srto->srto_min) 5654 new_min = srto->srto_min; 5655 else 5656 new_min = inp->sctp_ep.sctp_minrto; 5657 if ((new_min <= new_init) && (new_init <= new_max)) { 5658 inp->sctp_ep.initial_rto = new_init; 5659 inp->sctp_ep.sctp_maxrto = new_max; 5660 inp->sctp_ep.sctp_minrto = new_min; 5661 } else { 5662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5663 error = EINVAL; 5664 } 5665 SCTP_INP_WUNLOCK(inp); 5666 } else { 5667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5668 error = EINVAL; 5669 } 5670 } 5671 break; 5672 } 5673 case SCTP_ASSOCINFO: 5674 { 5675 struct sctp_assocparams *sasoc; 5676 5677 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5678 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5679 if (sasoc->sasoc_cookie_life > 0) { 5680 /* boundary check the cookie life */ 5681 if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) { 5682 sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE; 5683 } 5684 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5685 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5686 } 5687 } 5688 if (stcb) { 5689 if (sasoc->sasoc_asocmaxrxt > 0) { 5690 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5691 } 5692 if (sasoc->sasoc_cookie_life > 0) { 5693 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5694 } 5695 SCTP_TCB_UNLOCK(stcb); 5696 } else { 5697 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5698 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5699 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5700 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5701 SCTP_INP_WLOCK(inp); 5702 if (sasoc->sasoc_asocmaxrxt > 0) { 5703 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5704 } 5705 if (sasoc->sasoc_cookie_life > 0) { 5706 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5707 } 5708 SCTP_INP_WUNLOCK(inp); 5709 } else { 5710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5711 error = EINVAL; 5712 } 5713 } 5714 break; 5715 } 5716 case SCTP_INITMSG: 5717 { 5718 struct sctp_initmsg *sinit; 5719 5720 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5721 SCTP_INP_WLOCK(inp); 5722 if (sinit->sinit_num_ostreams) 5723 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5724 5725 if (sinit->sinit_max_instreams) 5726 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5727 5728 if (sinit->sinit_max_attempts) 5729 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5730 5731 if (sinit->sinit_max_init_timeo) 5732 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5733 SCTP_INP_WUNLOCK(inp); 5734 break; 5735 } 5736 case SCTP_PRIMARY_ADDR: 5737 { 5738 struct sctp_setprim *spa; 5739 struct sctp_nets *net; 5740 struct sockaddr *addr; 5741 #if defined(INET) && defined(INET6) 5742 struct sockaddr_in sin_store; 5743 #endif 5744 5745 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5746 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5747 5748 #if defined(INET) && defined(INET6) 5749 if (spa->ssp_addr.ss_family == AF_INET6) { 5750 struct sockaddr_in6 *sin6; 5751 5752 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5753 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5754 in6_sin6_2_sin(&sin_store, sin6); 5755 addr = (struct sockaddr *)&sin_store; 5756 } else { 5757 addr = (struct sockaddr *)&spa->ssp_addr; 5758 } 5759 } else { 5760 addr = (struct sockaddr *)&spa->ssp_addr; 5761 } 5762 #else 5763 addr = (struct sockaddr *)&spa->ssp_addr; 5764 #endif 5765 if (stcb != NULL) { 5766 net = sctp_findnet(stcb, addr); 5767 } else { 5768 /* 5769 * We increment here since 5770 * sctp_findassociation_ep_addr() wil do a 5771 * decrement if it finds the stcb as long as 5772 * the locked tcb (last argument) is NOT a 5773 * TCB.. aka NULL. 5774 */ 5775 net = NULL; 5776 SCTP_INP_INCR_REF(inp); 5777 stcb = sctp_findassociation_ep_addr(&inp, addr, 5778 &net, NULL, NULL); 5779 if (stcb == NULL) { 5780 SCTP_INP_DECR_REF(inp); 5781 } 5782 } 5783 5784 if ((stcb != NULL) && (net != NULL)) { 5785 if (net != stcb->asoc.primary_destination) { 5786 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5787 /* Ok we need to set it */ 5788 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5789 if ((stcb->asoc.alternate) && 5790 ((net->dest_state & SCTP_ADDR_PF) == 0) && 5791 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5792 sctp_free_remote_addr(stcb->asoc.alternate); 5793 stcb->asoc.alternate = NULL; 5794 } 5795 } else { 5796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5797 error = EINVAL; 5798 } 5799 } else { 5800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5801 error = EINVAL; 5802 } 5803 } 5804 } else { 5805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5806 error = EINVAL; 5807 } 5808 if (stcb != NULL) { 5809 SCTP_TCB_UNLOCK(stcb); 5810 } 5811 break; 5812 } 5813 case SCTP_SET_DYNAMIC_PRIMARY: 5814 { 5815 union sctp_sockstore *ss; 5816 5817 error = priv_check(curthread, 5818 PRIV_NETINET_RESERVEDPORT); 5819 if (error) 5820 break; 5821 5822 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5823 /* SUPER USER CHECK? */ 5824 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5825 break; 5826 } 5827 case SCTP_SET_PEER_PRIMARY_ADDR: 5828 { 5829 struct sctp_setpeerprim *sspp; 5830 struct sockaddr *addr; 5831 #if defined(INET) && defined(INET6) 5832 struct sockaddr_in sin_store; 5833 #endif 5834 5835 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5836 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5837 if (stcb != NULL) { 5838 struct sctp_ifa *ifa; 5839 5840 #if defined(INET) && defined(INET6) 5841 if (sspp->sspp_addr.ss_family == AF_INET6) { 5842 struct sockaddr_in6 *sin6; 5843 5844 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5845 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5846 in6_sin6_2_sin(&sin_store, sin6); 5847 addr = (struct sockaddr *)&sin_store; 5848 } else { 5849 addr = (struct sockaddr *)&sspp->sspp_addr; 5850 } 5851 } else { 5852 addr = (struct sockaddr *)&sspp->sspp_addr; 5853 } 5854 #else 5855 addr = (struct sockaddr *)&sspp->sspp_addr; 5856 #endif 5857 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5858 if (ifa == NULL) { 5859 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5860 error = EINVAL; 5861 goto out_of_it; 5862 } 5863 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5864 /* 5865 * Must validate the ifa found is in 5866 * our ep 5867 */ 5868 struct sctp_laddr *laddr; 5869 int found = 0; 5870 5871 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5872 if (laddr->ifa == NULL) { 5873 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5874 __func__); 5875 continue; 5876 } 5877 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5878 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5879 continue; 5880 } 5881 if (laddr->ifa == ifa) { 5882 found = 1; 5883 break; 5884 } 5885 } 5886 if (!found) { 5887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5888 error = EINVAL; 5889 goto out_of_it; 5890 } 5891 } else { 5892 switch (addr->sa_family) { 5893 #ifdef INET 5894 case AF_INET: 5895 { 5896 struct sockaddr_in *sin; 5897 5898 sin = (struct sockaddr_in *)addr; 5899 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5900 &sin->sin_addr) != 0) { 5901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5902 error = EINVAL; 5903 goto out_of_it; 5904 } 5905 break; 5906 } 5907 #endif 5908 #ifdef INET6 5909 case AF_INET6: 5910 { 5911 struct sockaddr_in6 *sin6; 5912 5913 sin6 = (struct sockaddr_in6 *)addr; 5914 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5915 &sin6->sin6_addr) != 0) { 5916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5917 error = EINVAL; 5918 goto out_of_it; 5919 } 5920 break; 5921 } 5922 #endif 5923 default: 5924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5925 error = EINVAL; 5926 goto out_of_it; 5927 } 5928 } 5929 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5931 error = EINVAL; 5932 } 5933 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5934 out_of_it: 5935 SCTP_TCB_UNLOCK(stcb); 5936 } else { 5937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5938 error = EINVAL; 5939 } 5940 break; 5941 } 5942 case SCTP_BINDX_ADD_ADDR: 5943 { 5944 struct sockaddr *sa; 5945 struct thread *td; 5946 5947 td = (struct thread *)p; 5948 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5949 #ifdef INET 5950 if (sa->sa_family == AF_INET) { 5951 if (optsize < sizeof(struct sockaddr_in)) { 5952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5953 error = EINVAL; 5954 break; 5955 } 5956 if (td != NULL && 5957 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5958 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5959 break; 5960 } 5961 } else 5962 #endif 5963 #ifdef INET6 5964 if (sa->sa_family == AF_INET6) { 5965 if (optsize < sizeof(struct sockaddr_in6)) { 5966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5967 error = EINVAL; 5968 break; 5969 } 5970 if (td != NULL && 5971 (error = prison_local_ip6(td->td_ucred, 5972 &(((struct sockaddr_in6 *)sa)->sin6_addr), 5973 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5974 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5975 break; 5976 } 5977 } else 5978 #endif 5979 { 5980 error = EAFNOSUPPORT; 5981 break; 5982 } 5983 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 5984 break; 5985 } 5986 case SCTP_BINDX_REM_ADDR: 5987 { 5988 struct sockaddr *sa; 5989 struct thread *td; 5990 5991 td = (struct thread *)p; 5992 5993 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5994 #ifdef INET 5995 if (sa->sa_family == AF_INET) { 5996 if (optsize < sizeof(struct sockaddr_in)) { 5997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5998 error = EINVAL; 5999 break; 6000 } 6001 if (td != NULL && 6002 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6003 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6004 break; 6005 } 6006 } else 6007 #endif 6008 #ifdef INET6 6009 if (sa->sa_family == AF_INET6) { 6010 if (optsize < sizeof(struct sockaddr_in6)) { 6011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6012 error = EINVAL; 6013 break; 6014 } 6015 if (td != NULL && 6016 (error = prison_local_ip6(td->td_ucred, 6017 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6018 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6019 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6020 break; 6021 } 6022 } else 6023 #endif 6024 { 6025 error = EAFNOSUPPORT; 6026 break; 6027 } 6028 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6029 break; 6030 } 6031 case SCTP_EVENT: 6032 { 6033 struct sctp_event *event; 6034 uint32_t event_type; 6035 6036 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6037 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6038 switch (event->se_type) { 6039 case SCTP_ASSOC_CHANGE: 6040 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6041 break; 6042 case SCTP_PEER_ADDR_CHANGE: 6043 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6044 break; 6045 case SCTP_REMOTE_ERROR: 6046 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6047 break; 6048 case SCTP_SEND_FAILED: 6049 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6050 break; 6051 case SCTP_SHUTDOWN_EVENT: 6052 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6053 break; 6054 case SCTP_ADAPTATION_INDICATION: 6055 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6056 break; 6057 case SCTP_PARTIAL_DELIVERY_EVENT: 6058 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6059 break; 6060 case SCTP_AUTHENTICATION_EVENT: 6061 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6062 break; 6063 case SCTP_STREAM_RESET_EVENT: 6064 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6065 break; 6066 case SCTP_SENDER_DRY_EVENT: 6067 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6068 break; 6069 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6070 event_type = 0; 6071 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6072 error = ENOTSUP; 6073 break; 6074 case SCTP_ASSOC_RESET_EVENT: 6075 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6076 break; 6077 case SCTP_STREAM_CHANGE_EVENT: 6078 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6079 break; 6080 case SCTP_SEND_FAILED_EVENT: 6081 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6082 break; 6083 default: 6084 event_type = 0; 6085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6086 error = EINVAL; 6087 break; 6088 } 6089 if (event_type > 0) { 6090 if (stcb) { 6091 if (event->se_on) { 6092 sctp_stcb_feature_on(inp, stcb, event_type); 6093 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6094 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6095 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6096 (stcb->asoc.stream_queue_cnt == 0)) { 6097 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6098 } 6099 } 6100 } else { 6101 sctp_stcb_feature_off(inp, stcb, event_type); 6102 } 6103 SCTP_TCB_UNLOCK(stcb); 6104 } else { 6105 /* 6106 * We don't want to send up a storm 6107 * of events, so return an error for 6108 * sender dry events 6109 */ 6110 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6111 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6112 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6113 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6114 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6115 error = ENOTSUP; 6116 break; 6117 } 6118 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6119 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6120 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6121 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6122 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6123 SCTP_INP_WLOCK(inp); 6124 if (event->se_on) { 6125 sctp_feature_on(inp, event_type); 6126 } else { 6127 sctp_feature_off(inp, event_type); 6128 } 6129 SCTP_INP_WUNLOCK(inp); 6130 } 6131 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6132 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6133 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6134 SCTP_INP_RLOCK(inp); 6135 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6136 SCTP_TCB_LOCK(stcb); 6137 if (event->se_on) { 6138 sctp_stcb_feature_on(inp, stcb, event_type); 6139 } else { 6140 sctp_stcb_feature_off(inp, stcb, event_type); 6141 } 6142 SCTP_TCB_UNLOCK(stcb); 6143 } 6144 SCTP_INP_RUNLOCK(inp); 6145 } 6146 } 6147 } else { 6148 if (stcb) { 6149 SCTP_TCB_UNLOCK(stcb); 6150 } 6151 } 6152 break; 6153 } 6154 case SCTP_RECVRCVINFO: 6155 { 6156 int *onoff; 6157 6158 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6159 SCTP_INP_WLOCK(inp); 6160 if (*onoff != 0) { 6161 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6162 } else { 6163 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6164 } 6165 SCTP_INP_WUNLOCK(inp); 6166 break; 6167 } 6168 case SCTP_RECVNXTINFO: 6169 { 6170 int *onoff; 6171 6172 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6173 SCTP_INP_WLOCK(inp); 6174 if (*onoff != 0) { 6175 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6176 } else { 6177 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6178 } 6179 SCTP_INP_WUNLOCK(inp); 6180 break; 6181 } 6182 case SCTP_DEFAULT_SNDINFO: 6183 { 6184 struct sctp_sndinfo *info; 6185 uint16_t policy; 6186 6187 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6188 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6189 6190 if (stcb) { 6191 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6192 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6193 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6194 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6195 stcb->asoc.def_send.sinfo_flags |= policy; 6196 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6197 stcb->asoc.def_send.sinfo_context = info->snd_context; 6198 } else { 6199 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6200 error = EINVAL; 6201 } 6202 SCTP_TCB_UNLOCK(stcb); 6203 } else { 6204 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6205 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6206 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6207 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6208 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6209 SCTP_INP_WLOCK(inp); 6210 inp->def_send.sinfo_stream = info->snd_sid; 6211 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6212 inp->def_send.sinfo_flags = info->snd_flags; 6213 inp->def_send.sinfo_flags |= policy; 6214 inp->def_send.sinfo_ppid = info->snd_ppid; 6215 inp->def_send.sinfo_context = info->snd_context; 6216 SCTP_INP_WUNLOCK(inp); 6217 } 6218 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6219 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6220 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6221 SCTP_INP_RLOCK(inp); 6222 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6223 SCTP_TCB_LOCK(stcb); 6224 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6225 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6226 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6227 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6228 stcb->asoc.def_send.sinfo_flags |= policy; 6229 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6230 stcb->asoc.def_send.sinfo_context = info->snd_context; 6231 } 6232 SCTP_TCB_UNLOCK(stcb); 6233 } 6234 SCTP_INP_RUNLOCK(inp); 6235 } 6236 } 6237 break; 6238 } 6239 case SCTP_DEFAULT_PRINFO: 6240 { 6241 struct sctp_default_prinfo *info; 6242 6243 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6244 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6245 6246 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6247 if (stcb) { 6248 SCTP_TCB_UNLOCK(stcb); 6249 } 6250 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6251 error = EINVAL; 6252 break; 6253 } 6254 if (stcb) { 6255 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6256 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6257 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6258 SCTP_TCB_UNLOCK(stcb); 6259 } else { 6260 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6261 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6262 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6263 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6264 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6265 SCTP_INP_WLOCK(inp); 6266 inp->def_send.sinfo_flags &= 0xfff0; 6267 inp->def_send.sinfo_flags |= info->pr_policy; 6268 inp->def_send.sinfo_timetolive = info->pr_value; 6269 SCTP_INP_WUNLOCK(inp); 6270 } 6271 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6272 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6273 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6274 SCTP_INP_RLOCK(inp); 6275 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6276 SCTP_TCB_LOCK(stcb); 6277 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6278 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6279 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6280 SCTP_TCB_UNLOCK(stcb); 6281 } 6282 SCTP_INP_RUNLOCK(inp); 6283 } 6284 } 6285 break; 6286 } 6287 case SCTP_PEER_ADDR_THLDS: 6288 /* Applies to the specific association */ 6289 { 6290 struct sctp_paddrthlds *thlds; 6291 struct sctp_nets *net; 6292 struct sockaddr *addr; 6293 #if defined(INET) && defined(INET6) 6294 struct sockaddr_in sin_store; 6295 #endif 6296 6297 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6298 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6299 6300 #if defined(INET) && defined(INET6) 6301 if (thlds->spt_address.ss_family == AF_INET6) { 6302 struct sockaddr_in6 *sin6; 6303 6304 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6305 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6306 in6_sin6_2_sin(&sin_store, sin6); 6307 addr = (struct sockaddr *)&sin_store; 6308 } else { 6309 addr = (struct sockaddr *)&thlds->spt_address; 6310 } 6311 } else { 6312 addr = (struct sockaddr *)&thlds->spt_address; 6313 } 6314 #else 6315 addr = (struct sockaddr *)&thlds->spt_address; 6316 #endif 6317 if (stcb != NULL) { 6318 net = sctp_findnet(stcb, addr); 6319 } else { 6320 /* 6321 * We increment here since 6322 * sctp_findassociation_ep_addr() wil do a 6323 * decrement if it finds the stcb as long as 6324 * the locked tcb (last argument) is NOT a 6325 * TCB.. aka NULL. 6326 */ 6327 net = NULL; 6328 SCTP_INP_INCR_REF(inp); 6329 stcb = sctp_findassociation_ep_addr(&inp, addr, 6330 &net, NULL, NULL); 6331 if (stcb == NULL) { 6332 SCTP_INP_DECR_REF(inp); 6333 } 6334 } 6335 if ((stcb != NULL) && (net == NULL)) { 6336 #ifdef INET 6337 if (addr->sa_family == AF_INET) { 6338 struct sockaddr_in *sin; 6339 6340 sin = (struct sockaddr_in *)addr; 6341 if (sin->sin_addr.s_addr != INADDR_ANY) { 6342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6343 SCTP_TCB_UNLOCK(stcb); 6344 error = EINVAL; 6345 break; 6346 } 6347 } else 6348 #endif 6349 #ifdef INET6 6350 if (addr->sa_family == AF_INET6) { 6351 struct sockaddr_in6 *sin6; 6352 6353 sin6 = (struct sockaddr_in6 *)addr; 6354 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6355 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6356 SCTP_TCB_UNLOCK(stcb); 6357 error = EINVAL; 6358 break; 6359 } 6360 } else 6361 #endif 6362 { 6363 error = EAFNOSUPPORT; 6364 SCTP_TCB_UNLOCK(stcb); 6365 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6366 break; 6367 } 6368 } 6369 if (thlds->spt_pathcpthld != 0xffff) { 6370 if (stcb != NULL) { 6371 SCTP_TCB_UNLOCK(stcb); 6372 } 6373 error = EINVAL; 6374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6375 break; 6376 } 6377 if (stcb != NULL) { 6378 if (net != NULL) { 6379 net->failure_threshold = thlds->spt_pathmaxrxt; 6380 net->pf_threshold = thlds->spt_pathpfthld; 6381 if (net->dest_state & SCTP_ADDR_PF) { 6382 if ((net->error_count > net->failure_threshold) || 6383 (net->error_count <= net->pf_threshold)) { 6384 net->dest_state &= ~SCTP_ADDR_PF; 6385 } 6386 } else { 6387 if ((net->error_count > net->pf_threshold) && 6388 (net->error_count <= net->failure_threshold)) { 6389 net->dest_state |= SCTP_ADDR_PF; 6390 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6391 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6392 stcb->sctp_ep, stcb, net, 6393 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6394 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6395 } 6396 } 6397 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6398 if (net->error_count > net->failure_threshold) { 6399 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6400 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6401 } 6402 } else { 6403 if (net->error_count <= net->failure_threshold) { 6404 net->dest_state |= SCTP_ADDR_REACHABLE; 6405 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6406 } 6407 } 6408 } else { 6409 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6410 net->failure_threshold = thlds->spt_pathmaxrxt; 6411 net->pf_threshold = thlds->spt_pathpfthld; 6412 if (net->dest_state & SCTP_ADDR_PF) { 6413 if ((net->error_count > net->failure_threshold) || 6414 (net->error_count <= net->pf_threshold)) { 6415 net->dest_state &= ~SCTP_ADDR_PF; 6416 } 6417 } else { 6418 if ((net->error_count > net->pf_threshold) && 6419 (net->error_count <= net->failure_threshold)) { 6420 net->dest_state |= SCTP_ADDR_PF; 6421 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6422 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6423 stcb->sctp_ep, stcb, net, 6424 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6425 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6426 } 6427 } 6428 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6429 if (net->error_count > net->failure_threshold) { 6430 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6431 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6432 } 6433 } else { 6434 if (net->error_count <= net->failure_threshold) { 6435 net->dest_state |= SCTP_ADDR_REACHABLE; 6436 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6437 } 6438 } 6439 } 6440 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6441 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6442 } 6443 SCTP_TCB_UNLOCK(stcb); 6444 } else { 6445 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6446 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6447 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6448 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6449 SCTP_INP_WLOCK(inp); 6450 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6451 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6452 SCTP_INP_WUNLOCK(inp); 6453 } else { 6454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6455 error = EINVAL; 6456 } 6457 } 6458 break; 6459 } 6460 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6461 { 6462 struct sctp_udpencaps *encaps; 6463 struct sctp_nets *net; 6464 struct sockaddr *addr; 6465 #if defined(INET) && defined(INET6) 6466 struct sockaddr_in sin_store; 6467 #endif 6468 6469 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6470 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6471 6472 #if defined(INET) && defined(INET6) 6473 if (encaps->sue_address.ss_family == AF_INET6) { 6474 struct sockaddr_in6 *sin6; 6475 6476 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6477 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6478 in6_sin6_2_sin(&sin_store, sin6); 6479 addr = (struct sockaddr *)&sin_store; 6480 } else { 6481 addr = (struct sockaddr *)&encaps->sue_address; 6482 } 6483 } else { 6484 addr = (struct sockaddr *)&encaps->sue_address; 6485 } 6486 #else 6487 addr = (struct sockaddr *)&encaps->sue_address; 6488 #endif 6489 if (stcb != NULL) { 6490 net = sctp_findnet(stcb, addr); 6491 } else { 6492 /* 6493 * We increment here since 6494 * sctp_findassociation_ep_addr() wil do a 6495 * decrement if it finds the stcb as long as 6496 * the locked tcb (last argument) is NOT a 6497 * TCB.. aka NULL. 6498 */ 6499 net = NULL; 6500 SCTP_INP_INCR_REF(inp); 6501 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6502 if (stcb == NULL) { 6503 SCTP_INP_DECR_REF(inp); 6504 } 6505 } 6506 if ((stcb != NULL) && (net == NULL)) { 6507 #ifdef INET 6508 if (addr->sa_family == AF_INET) { 6509 struct sockaddr_in *sin; 6510 6511 sin = (struct sockaddr_in *)addr; 6512 if (sin->sin_addr.s_addr != INADDR_ANY) { 6513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6514 SCTP_TCB_UNLOCK(stcb); 6515 error = EINVAL; 6516 break; 6517 } 6518 } else 6519 #endif 6520 #ifdef INET6 6521 if (addr->sa_family == AF_INET6) { 6522 struct sockaddr_in6 *sin6; 6523 6524 sin6 = (struct sockaddr_in6 *)addr; 6525 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6526 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6527 SCTP_TCB_UNLOCK(stcb); 6528 error = EINVAL; 6529 break; 6530 } 6531 } else 6532 #endif 6533 { 6534 error = EAFNOSUPPORT; 6535 SCTP_TCB_UNLOCK(stcb); 6536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6537 break; 6538 } 6539 } 6540 6541 if (stcb != NULL) { 6542 if (net != NULL) { 6543 net->port = encaps->sue_port; 6544 } else { 6545 stcb->asoc.port = encaps->sue_port; 6546 } 6547 SCTP_TCB_UNLOCK(stcb); 6548 } else { 6549 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6550 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6551 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6552 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6553 SCTP_INP_WLOCK(inp); 6554 inp->sctp_ep.port = encaps->sue_port; 6555 SCTP_INP_WUNLOCK(inp); 6556 } else { 6557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6558 error = EINVAL; 6559 } 6560 } 6561 break; 6562 } 6563 case SCTP_ECN_SUPPORTED: 6564 { 6565 struct sctp_assoc_value *av; 6566 6567 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6568 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6569 6570 if (stcb) { 6571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6572 error = EINVAL; 6573 SCTP_TCB_UNLOCK(stcb); 6574 } else { 6575 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6576 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6577 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6578 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6579 SCTP_INP_WLOCK(inp); 6580 if (av->assoc_value == 0) { 6581 inp->ecn_supported = 0; 6582 } else { 6583 inp->ecn_supported = 1; 6584 } 6585 SCTP_INP_WUNLOCK(inp); 6586 } else { 6587 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6588 error = EINVAL; 6589 } 6590 } 6591 break; 6592 } 6593 case SCTP_PR_SUPPORTED: 6594 { 6595 struct sctp_assoc_value *av; 6596 6597 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6598 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6599 6600 if (stcb) { 6601 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6602 error = EINVAL; 6603 SCTP_TCB_UNLOCK(stcb); 6604 } else { 6605 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6606 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6607 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6608 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6609 SCTP_INP_WLOCK(inp); 6610 if (av->assoc_value == 0) { 6611 inp->prsctp_supported = 0; 6612 } else { 6613 inp->prsctp_supported = 1; 6614 } 6615 SCTP_INP_WUNLOCK(inp); 6616 } else { 6617 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6618 error = EINVAL; 6619 } 6620 } 6621 break; 6622 } 6623 case SCTP_AUTH_SUPPORTED: 6624 { 6625 struct sctp_assoc_value *av; 6626 6627 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6628 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6629 6630 if (stcb) { 6631 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6632 error = EINVAL; 6633 SCTP_TCB_UNLOCK(stcb); 6634 } else { 6635 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6636 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6637 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6638 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6639 if ((av->assoc_value == 0) && 6640 (inp->asconf_supported == 1)) { 6641 /* 6642 * AUTH is required for 6643 * ASCONF 6644 */ 6645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6646 error = EINVAL; 6647 } else { 6648 SCTP_INP_WLOCK(inp); 6649 if (av->assoc_value == 0) { 6650 inp->auth_supported = 0; 6651 } else { 6652 inp->auth_supported = 1; 6653 } 6654 SCTP_INP_WUNLOCK(inp); 6655 } 6656 } else { 6657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6658 error = EINVAL; 6659 } 6660 } 6661 break; 6662 } 6663 case SCTP_ASCONF_SUPPORTED: 6664 { 6665 struct sctp_assoc_value *av; 6666 6667 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6668 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6669 6670 if (stcb) { 6671 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6672 error = EINVAL; 6673 SCTP_TCB_UNLOCK(stcb); 6674 } else { 6675 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6676 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6677 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6678 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6679 if ((av->assoc_value != 0) && 6680 (inp->auth_supported == 0)) { 6681 /* 6682 * AUTH is required for 6683 * ASCONF 6684 */ 6685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6686 error = EINVAL; 6687 } else { 6688 SCTP_INP_WLOCK(inp); 6689 if (av->assoc_value == 0) { 6690 inp->asconf_supported = 0; 6691 sctp_auth_delete_chunk(SCTP_ASCONF, 6692 inp->sctp_ep.local_auth_chunks); 6693 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6694 inp->sctp_ep.local_auth_chunks); 6695 } else { 6696 inp->asconf_supported = 1; 6697 sctp_auth_add_chunk(SCTP_ASCONF, 6698 inp->sctp_ep.local_auth_chunks); 6699 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6700 inp->sctp_ep.local_auth_chunks); 6701 } 6702 SCTP_INP_WUNLOCK(inp); 6703 } 6704 } else { 6705 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6706 error = EINVAL; 6707 } 6708 } 6709 break; 6710 } 6711 case SCTP_RECONFIG_SUPPORTED: 6712 { 6713 struct sctp_assoc_value *av; 6714 6715 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6716 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6717 6718 if (stcb) { 6719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6720 error = EINVAL; 6721 SCTP_TCB_UNLOCK(stcb); 6722 } else { 6723 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6724 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6725 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6726 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6727 SCTP_INP_WLOCK(inp); 6728 if (av->assoc_value == 0) { 6729 inp->reconfig_supported = 0; 6730 } else { 6731 inp->reconfig_supported = 1; 6732 } 6733 SCTP_INP_WUNLOCK(inp); 6734 } else { 6735 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6736 error = EINVAL; 6737 } 6738 } 6739 break; 6740 } 6741 case SCTP_NRSACK_SUPPORTED: 6742 { 6743 struct sctp_assoc_value *av; 6744 6745 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6746 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6747 6748 if (stcb) { 6749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6750 error = EINVAL; 6751 SCTP_TCB_UNLOCK(stcb); 6752 } else { 6753 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6754 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6755 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6756 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6757 SCTP_INP_WLOCK(inp); 6758 if (av->assoc_value == 0) { 6759 inp->nrsack_supported = 0; 6760 } else { 6761 inp->nrsack_supported = 1; 6762 } 6763 SCTP_INP_WUNLOCK(inp); 6764 } else { 6765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6766 error = EINVAL; 6767 } 6768 } 6769 break; 6770 } 6771 case SCTP_PKTDROP_SUPPORTED: 6772 { 6773 struct sctp_assoc_value *av; 6774 6775 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6776 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6777 6778 if (stcb) { 6779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6780 error = EINVAL; 6781 SCTP_TCB_UNLOCK(stcb); 6782 } else { 6783 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6784 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6785 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6786 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6787 SCTP_INP_WLOCK(inp); 6788 if (av->assoc_value == 0) { 6789 inp->pktdrop_supported = 0; 6790 } else { 6791 inp->pktdrop_supported = 1; 6792 } 6793 SCTP_INP_WUNLOCK(inp); 6794 } else { 6795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6796 error = EINVAL; 6797 } 6798 } 6799 break; 6800 } 6801 case SCTP_MAX_CWND: 6802 { 6803 struct sctp_assoc_value *av; 6804 struct sctp_nets *net; 6805 6806 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6807 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6808 6809 if (stcb) { 6810 stcb->asoc.max_cwnd = av->assoc_value; 6811 if (stcb->asoc.max_cwnd > 0) { 6812 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6813 if ((net->cwnd > stcb->asoc.max_cwnd) && 6814 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6815 net->cwnd = stcb->asoc.max_cwnd; 6816 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6817 net->cwnd = net->mtu - sizeof(struct sctphdr); 6818 } 6819 } 6820 } 6821 } 6822 SCTP_TCB_UNLOCK(stcb); 6823 } else { 6824 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6825 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6826 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6827 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6828 SCTP_INP_WLOCK(inp); 6829 inp->max_cwnd = av->assoc_value; 6830 SCTP_INP_WUNLOCK(inp); 6831 } else { 6832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6833 error = EINVAL; 6834 } 6835 } 6836 break; 6837 } 6838 default: 6839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6840 error = ENOPROTOOPT; 6841 break; 6842 } /* end switch (opt) */ 6843 return (error); 6844 } 6845 6846 int 6847 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6848 { 6849 struct epoch_tracker et; 6850 struct sctp_inpcb *inp; 6851 void *optval = NULL; 6852 void *p; 6853 size_t optsize = 0; 6854 int error = 0; 6855 6856 if ((sopt->sopt_level == SOL_SOCKET) && 6857 (sopt->sopt_name == SO_SETFIB)) { 6858 inp = (struct sctp_inpcb *)so->so_pcb; 6859 if (inp == NULL) { 6860 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6861 return (EINVAL); 6862 } 6863 SCTP_INP_WLOCK(inp); 6864 inp->fibnum = so->so_fibnum; 6865 SCTP_INP_WUNLOCK(inp); 6866 return (0); 6867 } 6868 if (sopt->sopt_level != IPPROTO_SCTP) { 6869 /* wrong proto level... send back up to IP */ 6870 #ifdef INET6 6871 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6872 error = ip6_ctloutput(so, sopt); 6873 #endif /* INET6 */ 6874 #if defined(INET) && defined(INET6) 6875 else 6876 #endif 6877 #ifdef INET 6878 error = ip_ctloutput(so, sopt); 6879 #endif 6880 return (error); 6881 } 6882 optsize = sopt->sopt_valsize; 6883 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6884 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6885 return (ENOBUFS); 6886 } 6887 if (optsize) { 6888 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6889 if (optval == NULL) { 6890 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6891 return (ENOBUFS); 6892 } 6893 error = sooptcopyin(sopt, optval, optsize, optsize); 6894 if (error) { 6895 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6896 goto out; 6897 } 6898 } 6899 p = (void *)sopt->sopt_td; 6900 if (sopt->sopt_dir == SOPT_SET) { 6901 NET_EPOCH_ENTER(et); 6902 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6903 NET_EPOCH_EXIT(et); 6904 } else if (sopt->sopt_dir == SOPT_GET) { 6905 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6906 } else { 6907 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6908 error = EINVAL; 6909 } 6910 if ((error == 0) && (optval != NULL)) { 6911 error = sooptcopyout(sopt, optval, optsize); 6912 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6913 } else if (optval != NULL) { 6914 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6915 } 6916 out: 6917 return (error); 6918 } 6919 6920 #ifdef INET 6921 static int 6922 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6923 { 6924 struct epoch_tracker et; 6925 int error = 0; 6926 int create_lock_on = 0; 6927 uint32_t vrf_id; 6928 struct sctp_inpcb *inp; 6929 struct sctp_tcb *stcb = NULL; 6930 6931 inp = (struct sctp_inpcb *)so->so_pcb; 6932 if (inp == NULL) { 6933 /* I made the same as TCP since we are not setup? */ 6934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6935 return (ECONNRESET); 6936 } 6937 if (addr == NULL) { 6938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6939 return EINVAL; 6940 } 6941 6942 switch (addr->sa_family) { 6943 #ifdef INET6 6944 case AF_INET6: 6945 { 6946 struct sockaddr_in6 *sin6; 6947 6948 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6950 return (EINVAL); 6951 } 6952 sin6 = (struct sockaddr_in6 *)addr; 6953 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 6954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6955 return (error); 6956 } 6957 break; 6958 } 6959 #endif 6960 #ifdef INET 6961 case AF_INET: 6962 { 6963 struct sockaddr_in *sin; 6964 6965 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6967 return (EINVAL); 6968 } 6969 sin = (struct sockaddr_in *)addr; 6970 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 6971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6972 return (error); 6973 } 6974 break; 6975 } 6976 #endif 6977 default: 6978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6979 return (EAFNOSUPPORT); 6980 } 6981 SCTP_INP_INCR_REF(inp); 6982 SCTP_ASOC_CREATE_LOCK(inp); 6983 create_lock_on = 1; 6984 NET_EPOCH_ENTER(et); 6985 6986 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6987 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6988 /* Should I really unlock ? */ 6989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6990 error = EFAULT; 6991 goto out_now; 6992 } 6993 #ifdef INET6 6994 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6995 (addr->sa_family == AF_INET6)) { 6996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6997 error = EINVAL; 6998 goto out_now; 6999 } 7000 #endif 7001 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7002 /* Bind a ephemeral port */ 7003 error = sctp_inpcb_bind(so, NULL, NULL, p); 7004 if (error) { 7005 goto out_now; 7006 } 7007 } 7008 /* Now do we connect? */ 7009 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7010 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7012 error = EINVAL; 7013 goto out_now; 7014 } 7015 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7016 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7017 /* We are already connected AND the TCP model */ 7018 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7019 error = EADDRINUSE; 7020 goto out_now; 7021 } 7022 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7023 SCTP_INP_RLOCK(inp); 7024 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7025 SCTP_INP_RUNLOCK(inp); 7026 } else { 7027 /* 7028 * We increment here since sctp_findassociation_ep_addr() 7029 * will do a decrement if it finds the stcb as long as the 7030 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7031 */ 7032 SCTP_INP_INCR_REF(inp); 7033 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7034 if (stcb == NULL) { 7035 SCTP_INP_DECR_REF(inp); 7036 } else { 7037 SCTP_TCB_UNLOCK(stcb); 7038 } 7039 } 7040 if (stcb != NULL) { 7041 /* Already have or am bring up an association */ 7042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7043 error = EALREADY; 7044 goto out_now; 7045 } 7046 7047 vrf_id = inp->def_vrf_id; 7048 /* We are GOOD to go */ 7049 stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id, 7050 inp->sctp_ep.pre_open_stream_count, 7051 inp->sctp_ep.port, p, 7052 SCTP_INITIALIZE_AUTH_PARAMS); 7053 if (stcb == NULL) { 7054 /* Gak! no memory */ 7055 goto out_now; 7056 } 7057 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7058 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7059 7060 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7061 SCTP_TCB_UNLOCK(stcb); 7062 out_now: 7063 NET_EPOCH_EXIT(et); 7064 if (create_lock_on) { 7065 SCTP_ASOC_CREATE_UNLOCK(inp); 7066 } 7067 SCTP_INP_DECR_REF(inp); 7068 return (error); 7069 } 7070 #endif 7071 7072 int 7073 sctp_listen(struct socket *so, int backlog, struct thread *p) 7074 { 7075 /* 7076 * Note this module depends on the protocol processing being called 7077 * AFTER any socket level flags and backlog are applied to the 7078 * socket. The traditional way that the socket flags are applied is 7079 * AFTER protocol processing. We have made a change to the 7080 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7081 * place if the socket API for SCTP is to work properly. 7082 */ 7083 7084 int error = 0; 7085 struct sctp_inpcb *inp; 7086 7087 inp = (struct sctp_inpcb *)so->so_pcb; 7088 if (inp == NULL) { 7089 /* I made the same as TCP since we are not setup? */ 7090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7091 return (ECONNRESET); 7092 } 7093 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7094 /* See if we have a listener */ 7095 struct sctp_inpcb *tinp; 7096 union sctp_sockstore store; 7097 7098 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7099 /* not bound all */ 7100 struct sctp_laddr *laddr; 7101 7102 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7103 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7104 switch (store.sa.sa_family) { 7105 #ifdef INET 7106 case AF_INET: 7107 store.sin.sin_port = inp->sctp_lport; 7108 break; 7109 #endif 7110 #ifdef INET6 7111 case AF_INET6: 7112 store.sin6.sin6_port = inp->sctp_lport; 7113 break; 7114 #endif 7115 default: 7116 break; 7117 } 7118 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7119 if (tinp && (tinp != inp) && 7120 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7121 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7122 (SCTP_IS_LISTENING(tinp))) { 7123 /* 7124 * we have a listener already and 7125 * its not this inp. 7126 */ 7127 SCTP_INP_DECR_REF(tinp); 7128 return (EADDRINUSE); 7129 } else if (tinp) { 7130 SCTP_INP_DECR_REF(tinp); 7131 } 7132 } 7133 } else { 7134 /* Setup a local addr bound all */ 7135 memset(&store, 0, sizeof(store)); 7136 #ifdef INET6 7137 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7138 store.sa.sa_family = AF_INET6; 7139 store.sa.sa_len = sizeof(struct sockaddr_in6); 7140 } 7141 #endif 7142 #ifdef INET 7143 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7144 store.sa.sa_family = AF_INET; 7145 store.sa.sa_len = sizeof(struct sockaddr_in); 7146 } 7147 #endif 7148 switch (store.sa.sa_family) { 7149 #ifdef INET 7150 case AF_INET: 7151 store.sin.sin_port = inp->sctp_lport; 7152 break; 7153 #endif 7154 #ifdef INET6 7155 case AF_INET6: 7156 store.sin6.sin6_port = inp->sctp_lport; 7157 break; 7158 #endif 7159 default: 7160 break; 7161 } 7162 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7163 if (tinp && (tinp != inp) && 7164 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7165 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7166 (SCTP_IS_LISTENING(tinp))) { 7167 /* 7168 * we have a listener already and its not 7169 * this inp. 7170 */ 7171 SCTP_INP_DECR_REF(tinp); 7172 return (EADDRINUSE); 7173 } else if (tinp) { 7174 SCTP_INP_DECR_REF(tinp); 7175 } 7176 } 7177 } 7178 SCTP_INP_INFO_WLOCK(); 7179 SCTP_INP_WLOCK(inp); 7180 #ifdef SCTP_LOCK_LOGGING 7181 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7182 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7183 } 7184 #endif 7185 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7186 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7187 /* 7188 * The unlucky case - We are in the tcp pool with this guy. 7189 * - Someone else is in the main inp slot. - We must move 7190 * this guy (the listener) to the main slot - We must then 7191 * move the guy that was listener to the TCP Pool. 7192 */ 7193 if (sctp_swap_inpcb_for_listen(inp)) { 7194 error = EADDRINUSE; 7195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7196 goto out; 7197 } 7198 } 7199 SOCK_LOCK(so); 7200 error = solisten_proto_check(so); 7201 if (error) { 7202 SOCK_UNLOCK(so); 7203 goto out; 7204 } 7205 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7206 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7207 SOCK_UNLOCK(so); 7208 solisten_proto_abort(so); 7209 error = EADDRINUSE; 7210 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7211 goto out; 7212 } 7213 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7214 ((inp->sctp_flags & SCTP_PCB_FLAGS_WAS_CONNECTED) || 7215 (inp->sctp_flags & SCTP_PCB_FLAGS_WAS_ABORTED))) { 7216 SOCK_UNLOCK(so); 7217 solisten_proto_abort(so); 7218 error = EINVAL; 7219 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7220 goto out; 7221 } 7222 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7223 if ((error = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) { 7224 SOCK_UNLOCK(so); 7225 solisten_proto_abort(so); 7226 /* bind error, probably perm */ 7227 goto out; 7228 } 7229 } 7230 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7231 solisten_proto(so, backlog); 7232 SOCK_UNLOCK(so); 7233 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7234 } else { 7235 solisten_proto_abort(so); 7236 SOCK_UNLOCK(so); 7237 if (backlog > 0) { 7238 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7239 } else { 7240 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7241 } 7242 } 7243 out: 7244 SCTP_INP_WUNLOCK(inp); 7245 SCTP_INP_INFO_WUNLOCK(); 7246 return (error); 7247 } 7248 7249 static int sctp_defered_wakeup_cnt = 0; 7250 7251 int 7252 sctp_accept(struct socket *so, struct sockaddr **addr) 7253 { 7254 struct sctp_tcb *stcb; 7255 struct sctp_inpcb *inp; 7256 union sctp_sockstore store; 7257 #ifdef INET6 7258 int error; 7259 #endif 7260 inp = (struct sctp_inpcb *)so->so_pcb; 7261 7262 if (inp == NULL) { 7263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7264 return (ECONNRESET); 7265 } 7266 SCTP_INP_WLOCK(inp); 7267 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7268 SCTP_INP_WUNLOCK(inp); 7269 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7270 return (EOPNOTSUPP); 7271 } 7272 if (so->so_state & SS_ISDISCONNECTED) { 7273 SCTP_INP_WUNLOCK(inp); 7274 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7275 return (ECONNABORTED); 7276 } 7277 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7278 if (stcb == NULL) { 7279 SCTP_INP_WUNLOCK(inp); 7280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7281 return (ECONNRESET); 7282 } 7283 SCTP_TCB_LOCK(stcb); 7284 store = stcb->asoc.primary_destination->ro._l_addr; 7285 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7286 /* Wake any delayed sleep action */ 7287 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7288 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7289 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7290 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7291 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7292 if (sowriteable(inp->sctp_socket)) { 7293 sowwakeup_locked(inp->sctp_socket); 7294 } else { 7295 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7296 } 7297 } 7298 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7299 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7300 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7301 if (soreadable(inp->sctp_socket)) { 7302 sctp_defered_wakeup_cnt++; 7303 sorwakeup_locked(inp->sctp_socket); 7304 } else { 7305 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7306 } 7307 } 7308 } 7309 SCTP_INP_WUNLOCK(inp); 7310 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7311 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7312 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7313 } else { 7314 SCTP_TCB_UNLOCK(stcb); 7315 } 7316 switch (store.sa.sa_family) { 7317 #ifdef INET 7318 case AF_INET: 7319 { 7320 struct sockaddr_in *sin; 7321 7322 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7323 if (sin == NULL) 7324 return (ENOMEM); 7325 sin->sin_family = AF_INET; 7326 sin->sin_len = sizeof(*sin); 7327 sin->sin_port = store.sin.sin_port; 7328 sin->sin_addr = store.sin.sin_addr; 7329 *addr = (struct sockaddr *)sin; 7330 break; 7331 } 7332 #endif 7333 #ifdef INET6 7334 case AF_INET6: 7335 { 7336 struct sockaddr_in6 *sin6; 7337 7338 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7339 if (sin6 == NULL) 7340 return (ENOMEM); 7341 sin6->sin6_family = AF_INET6; 7342 sin6->sin6_len = sizeof(*sin6); 7343 sin6->sin6_port = store.sin6.sin6_port; 7344 sin6->sin6_addr = store.sin6.sin6_addr; 7345 if ((error = sa6_recoverscope(sin6)) != 0) { 7346 SCTP_FREE_SONAME(sin6); 7347 return (error); 7348 } 7349 *addr = (struct sockaddr *)sin6; 7350 break; 7351 } 7352 #endif 7353 default: 7354 /* TSNH */ 7355 break; 7356 } 7357 return (0); 7358 } 7359 7360 #ifdef INET 7361 int 7362 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7363 { 7364 struct sockaddr_in *sin; 7365 uint32_t vrf_id; 7366 struct sctp_inpcb *inp; 7367 struct sctp_ifa *sctp_ifa; 7368 7369 /* 7370 * Do the malloc first in case it blocks. 7371 */ 7372 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7373 if (sin == NULL) 7374 return (ENOMEM); 7375 sin->sin_family = AF_INET; 7376 sin->sin_len = sizeof(*sin); 7377 inp = (struct sctp_inpcb *)so->so_pcb; 7378 if (!inp) { 7379 SCTP_FREE_SONAME(sin); 7380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7381 return (ECONNRESET); 7382 } 7383 SCTP_INP_RLOCK(inp); 7384 sin->sin_port = inp->sctp_lport; 7385 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7386 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7387 struct sctp_tcb *stcb; 7388 struct sockaddr_in *sin_a; 7389 struct sctp_nets *net; 7390 int fnd; 7391 7392 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7393 if (stcb == NULL) { 7394 goto notConn; 7395 } 7396 fnd = 0; 7397 sin_a = NULL; 7398 SCTP_TCB_LOCK(stcb); 7399 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7400 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7401 if (sin_a == NULL) 7402 /* this will make coverity happy */ 7403 continue; 7404 7405 if (sin_a->sin_family == AF_INET) { 7406 fnd = 1; 7407 break; 7408 } 7409 } 7410 if ((!fnd) || (sin_a == NULL)) { 7411 /* punt */ 7412 SCTP_TCB_UNLOCK(stcb); 7413 goto notConn; 7414 } 7415 7416 vrf_id = inp->def_vrf_id; 7417 sctp_ifa = sctp_source_address_selection(inp, 7418 stcb, 7419 (sctp_route_t *)&net->ro, 7420 net, 0, vrf_id); 7421 if (sctp_ifa) { 7422 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7423 sctp_free_ifa(sctp_ifa); 7424 } 7425 SCTP_TCB_UNLOCK(stcb); 7426 } else { 7427 /* For the bound all case you get back 0 */ 7428 notConn: 7429 sin->sin_addr.s_addr = 0; 7430 } 7431 7432 } else { 7433 /* Take the first IPv4 address in the list */ 7434 struct sctp_laddr *laddr; 7435 int fnd = 0; 7436 7437 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7438 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7439 struct sockaddr_in *sin_a; 7440 7441 sin_a = &laddr->ifa->address.sin; 7442 sin->sin_addr = sin_a->sin_addr; 7443 fnd = 1; 7444 break; 7445 } 7446 } 7447 if (!fnd) { 7448 SCTP_FREE_SONAME(sin); 7449 SCTP_INP_RUNLOCK(inp); 7450 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7451 return (ENOENT); 7452 } 7453 } 7454 SCTP_INP_RUNLOCK(inp); 7455 (*addr) = (struct sockaddr *)sin; 7456 return (0); 7457 } 7458 7459 int 7460 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7461 { 7462 struct sockaddr_in *sin; 7463 int fnd; 7464 struct sockaddr_in *sin_a; 7465 struct sctp_inpcb *inp; 7466 struct sctp_tcb *stcb; 7467 struct sctp_nets *net; 7468 7469 /* Do the malloc first in case it blocks. */ 7470 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7471 if (sin == NULL) 7472 return (ENOMEM); 7473 sin->sin_family = AF_INET; 7474 sin->sin_len = sizeof(*sin); 7475 7476 inp = (struct sctp_inpcb *)so->so_pcb; 7477 if ((inp == NULL) || 7478 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7479 /* UDP type and listeners will drop out here */ 7480 SCTP_FREE_SONAME(sin); 7481 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7482 return (ENOTCONN); 7483 } 7484 SCTP_INP_RLOCK(inp); 7485 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7486 if (stcb) { 7487 SCTP_TCB_LOCK(stcb); 7488 } 7489 SCTP_INP_RUNLOCK(inp); 7490 if (stcb == NULL) { 7491 SCTP_FREE_SONAME(sin); 7492 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7493 return (ECONNRESET); 7494 } 7495 fnd = 0; 7496 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7497 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7498 if (sin_a->sin_family == AF_INET) { 7499 fnd = 1; 7500 sin->sin_port = stcb->rport; 7501 sin->sin_addr = sin_a->sin_addr; 7502 break; 7503 } 7504 } 7505 SCTP_TCB_UNLOCK(stcb); 7506 if (!fnd) { 7507 /* No IPv4 address */ 7508 SCTP_FREE_SONAME(sin); 7509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7510 return (ENOENT); 7511 } 7512 (*addr) = (struct sockaddr *)sin; 7513 return (0); 7514 } 7515 7516 #define SCTP_PROTOSW \ 7517 .pr_protocol = IPPROTO_SCTP, \ 7518 .pr_ctloutput = sctp_ctloutput, \ 7519 .pr_abort = sctp_abort, \ 7520 .pr_accept = sctp_accept, \ 7521 .pr_attach = sctp_attach, \ 7522 .pr_bind = sctp_bind, \ 7523 .pr_connect = sctp_connect, \ 7524 .pr_control = in_control, \ 7525 .pr_close = sctp_close, \ 7526 .pr_detach = sctp_close, \ 7527 .pr_sopoll = sopoll_generic, \ 7528 .pr_flush = sctp_flush, \ 7529 .pr_disconnect = sctp_disconnect, \ 7530 .pr_listen = sctp_listen, \ 7531 .pr_peeraddr = sctp_peeraddr, \ 7532 .pr_send = sctp_sendm, \ 7533 .pr_shutdown = sctp_shutdown, \ 7534 .pr_sockaddr = sctp_ingetaddr, \ 7535 .pr_sosend = sctp_sosend, \ 7536 .pr_soreceive = sctp_soreceive \ 7537 7538 struct protosw sctp_seqpacket_protosw = { 7539 .pr_type = SOCK_SEQPACKET, 7540 .pr_flags = PR_WANTRCVD, 7541 SCTP_PROTOSW 7542 }; 7543 7544 struct protosw sctp_stream_protosw = { 7545 .pr_type = SOCK_STREAM, 7546 .pr_flags = PR_CONNREQUIRED | PR_WANTRCVD, 7547 SCTP_PROTOSW 7548 }; 7549 #endif 7550