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 sent. 'src' 291 * holds our local endpoint address. Thus we reverse the dst and the 292 * 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 for 307 * sending out packets. We don't consider packets 308 * reflecting the verification tag. 309 */ 310 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 311 SCTP_TCB_UNLOCK(stcb); 312 return; 313 } 314 } else { 315 if (ntohs(outer_ip->ip_len) >= 316 sizeof(struct ip) + 317 8 + (inner_ip->ip_hl << 2) + 20) { 318 /* 319 * In this case we can check if we got an 320 * INIT chunk and if the initiate tag 321 * matches. 322 */ 323 ch = (struct sctp_init_chunk *)(sh + 1); 324 if ((ch->ch.chunk_type != SCTP_INITIATION) || 325 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 326 SCTP_TCB_UNLOCK(stcb); 327 return; 328 } 329 } else { 330 SCTP_TCB_UNLOCK(stcb); 331 return; 332 } 333 } 334 sctp_notify(inp, stcb, net, 335 icmp->icmp_type, 336 icmp->icmp_code, 337 ntohs(inner_ip->ip_len), 338 (uint32_t)ntohs(icmp->icmp_nextmtu)); 339 } else { 340 if ((stcb == NULL) && (inp != NULL)) { 341 /* reduce ref-count */ 342 SCTP_INP_WLOCK(inp); 343 SCTP_INP_DECR_REF(inp); 344 SCTP_INP_WUNLOCK(inp); 345 } 346 if (stcb) { 347 SCTP_TCB_UNLOCK(stcb); 348 } 349 } 350 } 351 #endif 352 353 static int 354 sctp_getcred(SYSCTL_HANDLER_ARGS) 355 { 356 struct xucred xuc; 357 struct sockaddr_in addrs[2]; 358 struct sctp_inpcb *inp; 359 struct sctp_nets *net; 360 struct sctp_tcb *stcb; 361 int error; 362 uint32_t vrf_id; 363 364 /* FIX, for non-bsd is this right? */ 365 vrf_id = SCTP_DEFAULT_VRFID; 366 367 error = priv_check(req->td, PRIV_NETINET_GETCRED); 368 369 if (error) 370 return (error); 371 372 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 373 if (error) 374 return (error); 375 376 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 377 sintosa(&addrs[0]), 378 &inp, &net, 1, vrf_id); 379 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 380 if ((inp != NULL) && (stcb == NULL)) { 381 /* reduce ref-count */ 382 SCTP_INP_WLOCK(inp); 383 SCTP_INP_DECR_REF(inp); 384 goto cred_can_cont; 385 } 386 387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 388 error = ENOENT; 389 goto out; 390 } 391 SCTP_TCB_UNLOCK(stcb); 392 /* 393 * We use the write lock here, only since in the error leg we need 394 * it. If we used RLOCK, then we would have to 395 * wlock/decr/unlock/rlock. Which in theory could create a hole. 396 * Better to use higher wlock. 397 */ 398 SCTP_INP_WLOCK(inp); 399 cred_can_cont: 400 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 401 if (error) { 402 SCTP_INP_WUNLOCK(inp); 403 goto out; 404 } 405 cru2x(inp->sctp_socket->so_cred, &xuc); 406 SCTP_INP_WUNLOCK(inp); 407 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 408 out: 409 return (error); 410 } 411 412 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 413 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 414 0, 0, sctp_getcred, "S,ucred", 415 "Get the ucred of a SCTP connection"); 416 417 #ifdef INET 418 static void 419 sctp_abort(struct socket *so) 420 { 421 struct epoch_tracker et; 422 struct sctp_inpcb *inp; 423 424 inp = (struct sctp_inpcb *)so->so_pcb; 425 if (inp == NULL) { 426 return; 427 } 428 429 SCTP_INP_WLOCK(inp); 430 NET_EPOCH_ENTER(et); 431 #ifdef SCTP_LOG_CLOSING 432 sctp_log_closing(inp, NULL, 17); 433 #endif 434 if (((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0)) { 435 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 436 #ifdef SCTP_LOG_CLOSING 437 sctp_log_closing(inp, NULL, 16); 438 #endif 439 SCTP_INP_WUNLOCK(inp); 440 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 441 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 442 SOCK_LOCK(so); 443 KASSERT(!SOLISTENING(so), 444 ("sctp_abort: called on listening socket %p", so)); 445 SCTP_SB_CLEAR(so->so_snd); 446 SCTP_SB_CLEAR(so->so_rcv); 447 /* Now null out the reference, we are completely detached. */ 448 so->so_pcb = NULL; 449 SOCK_UNLOCK(so); 450 } else { 451 SCTP_INP_WUNLOCK(inp); 452 } 453 NET_EPOCH_EXIT(et); 454 } 455 456 static int 457 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 458 { 459 struct sctp_inpcb *inp; 460 struct inpcb *ip_inp; 461 int error; 462 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 463 464 inp = (struct sctp_inpcb *)so->so_pcb; 465 if (inp != NULL) { 466 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 467 return (EINVAL); 468 } 469 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 470 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 471 if (error) { 472 return (error); 473 } 474 } 475 error = sctp_inpcb_alloc(so, vrf_id); 476 if (error) { 477 return (error); 478 } 479 inp = (struct sctp_inpcb *)so->so_pcb; 480 SCTP_INP_WLOCK(inp); 481 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 482 ip_inp = &inp->ip_inp.inp; 483 ip_inp->inp_vflag |= INP_IPV4; 484 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 485 SCTP_INP_WUNLOCK(inp); 486 return (0); 487 } 488 489 static int 490 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 491 { 492 struct sctp_inpcb *inp; 493 494 inp = (struct sctp_inpcb *)so->so_pcb; 495 if (inp == NULL) { 496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 497 return (EINVAL); 498 } 499 if (addr != NULL) { 500 if ((addr->sa_family != AF_INET) || 501 (addr->sa_len != sizeof(struct sockaddr_in))) { 502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 503 return (EINVAL); 504 } 505 } 506 return (sctp_inpcb_bind(so, addr, NULL, p)); 507 } 508 509 #endif 510 void 511 sctp_close(struct socket *so) 512 { 513 struct epoch_tracker et; 514 struct sctp_inpcb *inp; 515 516 inp = (struct sctp_inpcb *)so->so_pcb; 517 if (inp == NULL) 518 return; 519 520 /* 521 * Inform all the lower layer assoc that we are done. 522 */ 523 SCTP_INP_WLOCK(inp); 524 NET_EPOCH_ENTER(et); 525 #ifdef SCTP_LOG_CLOSING 526 sctp_log_closing(inp, NULL, 17); 527 #endif 528 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 529 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 530 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 531 (SCTP_SBAVAIL(&so->so_rcv) > 0)) { 532 #ifdef SCTP_LOG_CLOSING 533 sctp_log_closing(inp, NULL, 13); 534 #endif 535 SCTP_INP_WUNLOCK(inp); 536 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 537 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 538 } else { 539 #ifdef SCTP_LOG_CLOSING 540 sctp_log_closing(inp, NULL, 14); 541 #endif 542 SCTP_INP_WUNLOCK(inp); 543 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 544 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 545 } 546 /* 547 * The socket is now detached, no matter what the state of 548 * the SCTP association. 549 */ 550 SOCK_LOCK(so); 551 if (!SOLISTENING(so)) { 552 SCTP_SB_CLEAR(so->so_snd); 553 SCTP_SB_CLEAR(so->so_rcv); 554 } 555 /* Now null out the reference, we are completely detached. */ 556 so->so_pcb = NULL; 557 SOCK_UNLOCK(so); 558 } else { 559 SCTP_INP_WUNLOCK(inp); 560 } 561 NET_EPOCH_EXIT(et); 562 } 563 564 int 565 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 566 struct mbuf *control, struct thread *p); 567 568 int 569 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 570 struct mbuf *control, struct thread *p) 571 { 572 struct sctp_inpcb *inp; 573 int error; 574 575 inp = (struct sctp_inpcb *)so->so_pcb; 576 if (inp == NULL) { 577 if (control) { 578 sctp_m_freem(control); 579 control = NULL; 580 } 581 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 582 sctp_m_freem(m); 583 return (EINVAL); 584 } 585 /* Got to have an to address if we are NOT a connected socket */ 586 if ((addr == NULL) && 587 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 588 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 589 goto connected_type; 590 } 591 592 error = 0; 593 if (addr == NULL) { 594 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 595 error = EDESTADDRREQ; 596 } else if (addr->sa_family != AF_INET) { 597 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 598 error = EAFNOSUPPORT; 599 } else if (addr->sa_len != sizeof(struct sockaddr_in)) { 600 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 601 error = EINVAL; 602 } 603 if (error != 0) { 604 sctp_m_freem(m); 605 if (control) { 606 sctp_m_freem(control); 607 control = NULL; 608 } 609 return (error); 610 } 611 connected_type: 612 /* now what about control */ 613 if (control) { 614 if (inp->control) { 615 sctp_m_freem(inp->control); 616 inp->control = NULL; 617 } 618 inp->control = control; 619 } 620 /* Place the data */ 621 if (inp->pkt) { 622 SCTP_BUF_NEXT(inp->pkt_last) = m; 623 inp->pkt_last = m; 624 } else { 625 inp->pkt_last = inp->pkt = m; 626 } 627 if ( 628 /* FreeBSD uses a flag passed */ 629 ((flags & PRUS_MORETOCOME) == 0) 630 ) { 631 /* 632 * note with the current version this code will only be used 633 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 634 * re-defining sosend to use the sctp_sosend. One can 635 * optionally switch back to this code (by changing back the 636 * definitions) but this is not advisable. This code is used 637 * by FreeBSD when sending a file with sendfile() though. 638 */ 639 struct epoch_tracker et; 640 int ret; 641 642 NET_EPOCH_ENTER(et); 643 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 644 NET_EPOCH_EXIT(et); 645 inp->pkt = NULL; 646 inp->control = NULL; 647 return (ret); 648 } else { 649 return (0); 650 } 651 } 652 653 int 654 sctp_disconnect(struct socket *so) 655 { 656 struct sctp_inpcb *inp; 657 658 inp = (struct sctp_inpcb *)so->so_pcb; 659 if (inp == NULL) { 660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 661 return (ENOTCONN); 662 } 663 SCTP_INP_RLOCK(inp); 664 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 665 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 666 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 667 /* No connection */ 668 SCTP_INP_RUNLOCK(inp); 669 return (0); 670 } else { 671 struct epoch_tracker et; 672 struct sctp_association *asoc; 673 struct sctp_tcb *stcb; 674 675 stcb = LIST_FIRST(&inp->sctp_asoc_list); 676 if (stcb == NULL) { 677 SCTP_INP_RUNLOCK(inp); 678 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 679 return (EINVAL); 680 } 681 SCTP_TCB_LOCK(stcb); 682 asoc = &stcb->asoc; 683 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 684 /* We are about to be freed, out of here */ 685 SCTP_TCB_UNLOCK(stcb); 686 SCTP_INP_RUNLOCK(inp); 687 return (0); 688 } 689 NET_EPOCH_ENTER(et); 690 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 691 (SCTP_SBAVAIL(&so->so_rcv) > 0)) { 692 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 693 /* Left with Data unread */ 694 struct mbuf *op_err; 695 696 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 697 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 698 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 699 } 700 SCTP_INP_RUNLOCK(inp); 701 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 702 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 703 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 704 } 705 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 706 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 707 /* No unlock tcb assoc is gone */ 708 NET_EPOCH_EXIT(et); 709 return (0); 710 } 711 if (TAILQ_EMPTY(&asoc->send_queue) && 712 TAILQ_EMPTY(&asoc->sent_queue) && 713 (asoc->stream_queue_cnt == 0)) { 714 /* there is nothing queued to send, so done */ 715 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 716 goto abort_anyway; 717 } 718 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 719 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 720 /* only send SHUTDOWN 1st time thru */ 721 struct sctp_nets *netp; 722 723 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 724 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 725 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 726 } 727 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 728 sctp_stop_timers_for_shutdown(stcb); 729 if (stcb->asoc.alternate) { 730 netp = stcb->asoc.alternate; 731 } else { 732 netp = stcb->asoc.primary_destination; 733 } 734 sctp_send_shutdown(stcb, netp); 735 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 736 stcb->sctp_ep, stcb, netp); 737 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 738 stcb->sctp_ep, stcb, NULL); 739 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 740 } 741 } else { 742 /* 743 * we still got (or just got) data to send, 744 * so set SHUTDOWN_PENDING 745 */ 746 /* 747 * XXX sockets draft says that SCTP_EOF 748 * should be sent with no data. currently, 749 * we will allow user data to be sent first 750 * and move to SHUTDOWN-PENDING 751 */ 752 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 753 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 754 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 755 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 756 } 757 if (TAILQ_EMPTY(&asoc->send_queue) && 758 TAILQ_EMPTY(&asoc->sent_queue) && 759 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 760 struct mbuf *op_err; 761 762 abort_anyway: 763 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 764 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 765 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 766 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 767 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 768 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 769 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 770 } 771 SCTP_INP_RUNLOCK(inp); 772 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 773 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 774 NET_EPOCH_EXIT(et); 775 return (0); 776 } else { 777 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 778 } 779 } 780 soisdisconnecting(so); 781 NET_EPOCH_EXIT(et); 782 SCTP_TCB_UNLOCK(stcb); 783 SCTP_INP_RUNLOCK(inp); 784 return (0); 785 } 786 /* not reached */ 787 } else { 788 /* UDP model does not support this */ 789 SCTP_INP_RUNLOCK(inp); 790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 791 return (EOPNOTSUPP); 792 } 793 } 794 795 int 796 sctp_flush(struct socket *so, int how) 797 { 798 /* 799 * We will just clear out the values and let subsequent close clear 800 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 801 * they will not be able to read the data, the socket will block 802 * that from happening. 803 */ 804 struct sctp_inpcb *inp; 805 806 inp = (struct sctp_inpcb *)so->so_pcb; 807 if (inp == NULL) { 808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 809 return (EINVAL); 810 } 811 SCTP_INP_RLOCK(inp); 812 /* For the 1 to many model this does nothing */ 813 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 814 SCTP_INP_RUNLOCK(inp); 815 return (0); 816 } 817 SCTP_INP_RUNLOCK(inp); 818 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 819 /* 820 * First make sure the sb will be happy, we don't use these 821 * except maybe the count 822 */ 823 SCTP_INP_WLOCK(inp); 824 SCTP_INP_READ_LOCK(inp); 825 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 826 SCTP_INP_READ_UNLOCK(inp); 827 SCTP_INP_WUNLOCK(inp); 828 SOCK_LOCK(so); 829 KASSERT(!SOLISTENING(so), 830 ("sctp_flush: called on listening socket %p", so)); 831 SCTP_SB_CLEAR(so->so_rcv); 832 SOCK_UNLOCK(so); 833 } 834 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 835 /* 836 * First make sure the sb will be happy, we don't use these 837 * except maybe the count 838 */ 839 SOCK_LOCK(so); 840 KASSERT(!SOLISTENING(so), 841 ("sctp_flush: called on listening socket %p", so)); 842 SCTP_SB_CLEAR(so->so_snd); 843 SOCK_UNLOCK(so); 844 } 845 return (0); 846 } 847 848 int 849 sctp_shutdown(struct socket *so) 850 { 851 struct sctp_inpcb *inp; 852 853 inp = (struct sctp_inpcb *)so->so_pcb; 854 if (inp == NULL) { 855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 856 return (EINVAL); 857 } 858 SCTP_INP_RLOCK(inp); 859 /* For UDP model this is a invalid call */ 860 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 861 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 862 /* Restore the flags that the soshutdown took away. */ 863 SOCKBUF_LOCK(&so->so_rcv); 864 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 865 SOCKBUF_UNLOCK(&so->so_rcv); 866 /* This proc will wakeup for read and do nothing (I hope) */ 867 SCTP_INP_RUNLOCK(inp); 868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 869 return (EOPNOTSUPP); 870 } else { 871 /* 872 * Ok, if we reach here its the TCP model and it is either a 873 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 874 * against it. 875 */ 876 struct epoch_tracker et; 877 struct sctp_tcb *stcb; 878 struct sctp_association *asoc; 879 struct sctp_nets *netp; 880 881 if ((so->so_state & 882 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 883 SCTP_INP_RUNLOCK(inp); 884 return (ENOTCONN); 885 } 886 socantsendmore(so); 887 888 stcb = LIST_FIRST(&inp->sctp_asoc_list); 889 if (stcb == NULL) { 890 /* 891 * Ok, we hit the case that the shutdown call was 892 * made after an abort or something. Nothing to do 893 * now. 894 */ 895 SCTP_INP_RUNLOCK(inp); 896 return (0); 897 } 898 SCTP_TCB_LOCK(stcb); 899 asoc = &stcb->asoc; 900 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 901 SCTP_TCB_UNLOCK(stcb); 902 SCTP_INP_RUNLOCK(inp); 903 return (0); 904 } 905 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 906 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 907 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 908 /* 909 * If we are not in or before ESTABLISHED, there is 910 * no protocol action required. 911 */ 912 SCTP_TCB_UNLOCK(stcb); 913 SCTP_INP_RUNLOCK(inp); 914 return (0); 915 } 916 NET_EPOCH_ENTER(et); 917 if (stcb->asoc.alternate) { 918 netp = stcb->asoc.alternate; 919 } else { 920 netp = stcb->asoc.primary_destination; 921 } 922 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 923 TAILQ_EMPTY(&asoc->send_queue) && 924 TAILQ_EMPTY(&asoc->sent_queue) && 925 (asoc->stream_queue_cnt == 0)) { 926 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 927 goto abort_anyway; 928 } 929 /* there is nothing queued to send, so I'm done... */ 930 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 931 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 932 sctp_stop_timers_for_shutdown(stcb); 933 sctp_send_shutdown(stcb, netp); 934 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 935 stcb->sctp_ep, stcb, netp); 936 } else { 937 /* 938 * We still got (or just got) data to send, so set 939 * SHUTDOWN_PENDING. 940 */ 941 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 942 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 943 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 944 } 945 if (TAILQ_EMPTY(&asoc->send_queue) && 946 TAILQ_EMPTY(&asoc->sent_queue) && 947 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 948 struct mbuf *op_err; 949 950 abort_anyway: 951 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 952 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 953 SCTP_INP_RUNLOCK(inp); 954 sctp_abort_an_association(stcb->sctp_ep, stcb, 955 op_err, false, SCTP_SO_LOCKED); 956 NET_EPOCH_EXIT(et); 957 return (0); 958 } 959 } 960 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 961 /* 962 * XXX: Why do this in the case where we have still data 963 * queued? 964 */ 965 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 966 SCTP_TCB_UNLOCK(stcb); 967 SCTP_INP_RUNLOCK(inp); 968 NET_EPOCH_EXIT(et); 969 return (0); 970 } 971 } 972 973 /* 974 * copies a "user" presentable address and removes embedded scope, etc. 975 * returns 0 on success, 1 on error 976 */ 977 static uint32_t 978 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 979 { 980 #ifdef INET6 981 struct sockaddr_in6 lsa6; 982 983 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 984 &lsa6); 985 #endif 986 memcpy(dst, src, src->sa_len); 987 return (0); 988 } 989 990 static size_t 991 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 992 struct sctp_tcb *stcb, 993 size_t limit, 994 struct sockaddr *addr, 995 uint32_t vrf_id) 996 { 997 struct sctp_ifn *sctp_ifn; 998 struct sctp_ifa *sctp_ifa; 999 size_t actual; 1000 int loopback_scope; 1001 #if defined(INET) 1002 int ipv4_local_scope, ipv4_addr_legal; 1003 #endif 1004 #if defined(INET6) 1005 int local_scope, site_scope, ipv6_addr_legal; 1006 #endif 1007 struct sctp_vrf *vrf; 1008 1009 SCTP_IPI_ADDR_LOCK_ASSERT(); 1010 actual = 0; 1011 if (limit == 0) 1012 return (actual); 1013 1014 if (stcb) { 1015 /* Turn on all the appropriate scope */ 1016 loopback_scope = stcb->asoc.scope.loopback_scope; 1017 #if defined(INET) 1018 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1019 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1020 #endif 1021 #if defined(INET6) 1022 local_scope = stcb->asoc.scope.local_scope; 1023 site_scope = stcb->asoc.scope.site_scope; 1024 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1025 #endif 1026 } else { 1027 /* Use generic values for endpoints. */ 1028 loopback_scope = 1; 1029 #if defined(INET) 1030 ipv4_local_scope = 1; 1031 #endif 1032 #if defined(INET6) 1033 local_scope = 1; 1034 site_scope = 1; 1035 #endif 1036 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1037 #if defined(INET6) 1038 ipv6_addr_legal = 1; 1039 #endif 1040 #if defined(INET) 1041 if (SCTP_IPV6_V6ONLY(inp)) { 1042 ipv4_addr_legal = 0; 1043 } else { 1044 ipv4_addr_legal = 1; 1045 } 1046 #endif 1047 } else { 1048 #if defined(INET6) 1049 ipv6_addr_legal = 0; 1050 #endif 1051 #if defined(INET) 1052 ipv4_addr_legal = 1; 1053 #endif 1054 } 1055 } 1056 vrf = sctp_find_vrf(vrf_id); 1057 if (vrf == NULL) { 1058 return (0); 1059 } 1060 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1061 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1062 if ((loopback_scope == 0) && 1063 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1064 /* Skip loopback if loopback_scope not set */ 1065 continue; 1066 } 1067 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1068 if (stcb) { 1069 /* 1070 * For the BOUND-ALL case, the list 1071 * associated with a TCB is Always 1072 * considered a reverse list.. i.e. 1073 * it lists addresses that are NOT 1074 * part of the association. If this 1075 * is one of those we must skip it. 1076 */ 1077 if (sctp_is_addr_restricted(stcb, 1078 sctp_ifa)) { 1079 continue; 1080 } 1081 } 1082 switch (sctp_ifa->address.sa.sa_family) { 1083 #ifdef INET 1084 case AF_INET: 1085 if (ipv4_addr_legal) { 1086 struct sockaddr_in *sin; 1087 1088 sin = &sctp_ifa->address.sin; 1089 if (sin->sin_addr.s_addr == 0) { 1090 /* 1091 * we skip 1092 * unspecified 1093 * addresses 1094 */ 1095 continue; 1096 } 1097 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1098 &sin->sin_addr) != 0) { 1099 continue; 1100 } 1101 if ((ipv4_local_scope == 0) && 1102 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1103 continue; 1104 } 1105 #ifdef INET6 1106 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1107 if (actual + sizeof(struct sockaddr_in6) > limit) { 1108 return (actual); 1109 } 1110 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr); 1111 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1112 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1113 actual += sizeof(struct sockaddr_in6); 1114 } else { 1115 #endif 1116 if (actual + sizeof(struct sockaddr_in) > limit) { 1117 return (actual); 1118 } 1119 memcpy(addr, sin, sizeof(struct sockaddr_in)); 1120 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1121 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); 1122 actual += sizeof(struct sockaddr_in); 1123 #ifdef INET6 1124 } 1125 #endif 1126 } else { 1127 continue; 1128 } 1129 break; 1130 #endif 1131 #ifdef INET6 1132 case AF_INET6: 1133 if (ipv6_addr_legal) { 1134 struct sockaddr_in6 *sin6; 1135 1136 sin6 = &sctp_ifa->address.sin6; 1137 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1138 /* 1139 * we skip 1140 * unspecified 1141 * addresses 1142 */ 1143 continue; 1144 } 1145 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1146 &sin6->sin6_addr) != 0) { 1147 continue; 1148 } 1149 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1150 if (local_scope == 0) 1151 continue; 1152 if (sin6->sin6_scope_id == 0) { 1153 if (sa6_recoverscope(sin6) != 0) 1154 /* 1155 * 1156 * bad 1157 * link 1158 * 1159 * local 1160 * 1161 * address 1162 */ 1163 continue; 1164 } 1165 } 1166 if ((site_scope == 0) && 1167 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1168 continue; 1169 } 1170 if (actual + sizeof(struct sockaddr_in6) > limit) { 1171 return (actual); 1172 } 1173 memcpy(addr, sin6, sizeof(struct sockaddr_in6)); 1174 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1175 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1176 actual += sizeof(struct sockaddr_in6); 1177 } else { 1178 continue; 1179 } 1180 break; 1181 #endif 1182 default: 1183 /* TSNH */ 1184 break; 1185 } 1186 } 1187 } 1188 } else { 1189 struct sctp_laddr *laddr; 1190 size_t sa_len; 1191 1192 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1193 if (stcb) { 1194 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1195 continue; 1196 } 1197 } 1198 sa_len = laddr->ifa->address.sa.sa_len; 1199 if (actual + sa_len > limit) { 1200 return (actual); 1201 } 1202 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) 1203 continue; 1204 switch (laddr->ifa->address.sa.sa_family) { 1205 #ifdef INET 1206 case AF_INET: 1207 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1208 break; 1209 #endif 1210 #ifdef INET6 1211 case AF_INET6: 1212 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1213 break; 1214 #endif 1215 default: 1216 /* TSNH */ 1217 break; 1218 } 1219 addr = (struct sockaddr *)((caddr_t)addr + sa_len); 1220 actual += sa_len; 1221 } 1222 } 1223 return (actual); 1224 } 1225 1226 static size_t 1227 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1228 struct sctp_tcb *stcb, 1229 size_t limit, 1230 struct sockaddr *addr) 1231 { 1232 size_t size; 1233 1234 SCTP_IPI_ADDR_RLOCK(); 1235 /* fill up addresses for the endpoint's default vrf */ 1236 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, 1237 inp->def_vrf_id); 1238 SCTP_IPI_ADDR_RUNLOCK(); 1239 return (size); 1240 } 1241 1242 static size_t 1243 sctp_max_size_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1244 { 1245 struct sctp_vrf *vrf; 1246 size_t size; 1247 1248 /* 1249 * In both sub-set bound an bound_all cases we return the size of 1250 * the maximum number of addresses that you could get. In reality 1251 * the sub-set bound may have an exclusion list for a given TCB or 1252 * in the bound-all case a TCB may NOT include the loopback or other 1253 * addresses as well. 1254 */ 1255 SCTP_IPI_ADDR_LOCK_ASSERT(); 1256 vrf = sctp_find_vrf(vrf_id); 1257 if (vrf == NULL) { 1258 return (0); 1259 } 1260 size = 0; 1261 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1262 struct sctp_ifn *sctp_ifn; 1263 struct sctp_ifa *sctp_ifa; 1264 1265 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1266 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1267 /* Count them if they are the right type */ 1268 switch (sctp_ifa->address.sa.sa_family) { 1269 #ifdef INET 1270 case AF_INET: 1271 #ifdef INET6 1272 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1273 size += sizeof(struct sockaddr_in6); 1274 else 1275 size += sizeof(struct sockaddr_in); 1276 #else 1277 size += sizeof(struct sockaddr_in); 1278 #endif 1279 break; 1280 #endif 1281 #ifdef INET6 1282 case AF_INET6: 1283 size += sizeof(struct sockaddr_in6); 1284 break; 1285 #endif 1286 default: 1287 break; 1288 } 1289 } 1290 } 1291 } else { 1292 struct sctp_laddr *laddr; 1293 1294 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1295 switch (laddr->ifa->address.sa.sa_family) { 1296 #ifdef INET 1297 case AF_INET: 1298 #ifdef INET6 1299 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1300 size += sizeof(struct sockaddr_in6); 1301 else 1302 size += sizeof(struct sockaddr_in); 1303 #else 1304 size += sizeof(struct sockaddr_in); 1305 #endif 1306 break; 1307 #endif 1308 #ifdef INET6 1309 case AF_INET6: 1310 size += sizeof(struct sockaddr_in6); 1311 break; 1312 #endif 1313 default: 1314 break; 1315 } 1316 } 1317 } 1318 return (size); 1319 } 1320 1321 static size_t 1322 sctp_max_size_addresses(struct sctp_inpcb *inp) 1323 { 1324 size_t size; 1325 1326 SCTP_IPI_ADDR_RLOCK(); 1327 /* Maximum size of all addresses for the endpoint's default VRF */ 1328 size = sctp_max_size_addresses_vrf(inp, inp->def_vrf_id); 1329 SCTP_IPI_ADDR_RUNLOCK(); 1330 return (size); 1331 } 1332 1333 static int 1334 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1335 size_t optsize, void *p, int delay) 1336 { 1337 int error; 1338 int creat_lock_on = 0; 1339 struct sctp_tcb *stcb = NULL; 1340 struct sockaddr *sa; 1341 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1342 uint32_t vrf_id; 1343 sctp_assoc_t *a_id; 1344 1345 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1346 1347 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1348 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1349 /* We are already connected AND the TCP model */ 1350 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1351 return (EADDRINUSE); 1352 } 1353 1354 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1355 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1356 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1357 return (EINVAL); 1358 } 1359 1360 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1361 SCTP_INP_RLOCK(inp); 1362 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1363 SCTP_INP_RUNLOCK(inp); 1364 } 1365 if (stcb) { 1366 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1367 return (EALREADY); 1368 } 1369 SCTP_INP_INCR_REF(inp); 1370 SCTP_ASOC_CREATE_LOCK(inp); 1371 creat_lock_on = 1; 1372 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1373 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1374 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1375 error = EFAULT; 1376 goto out_now; 1377 } 1378 totaddrp = (unsigned int *)optval; 1379 totaddr = *totaddrp; 1380 sa = (struct sockaddr *)(totaddrp + 1); 1381 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1382 if (error != 0) { 1383 /* Already have or am bring up an association */ 1384 SCTP_ASOC_CREATE_UNLOCK(inp); 1385 creat_lock_on = 0; 1386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1387 goto out_now; 1388 } 1389 #ifdef INET6 1390 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1391 (num_v6 > 0)) { 1392 error = EINVAL; 1393 goto out_now; 1394 } 1395 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1396 (num_v4 > 0)) { 1397 if (SCTP_IPV6_V6ONLY(inp)) { 1398 /* 1399 * if IPV6_V6ONLY flag, ignore connections destined 1400 * to a v4 addr or v4-mapped addr 1401 */ 1402 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1403 error = EINVAL; 1404 goto out_now; 1405 } 1406 } 1407 #endif /* INET6 */ 1408 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 1409 /* Bind a ephemeral port */ 1410 error = sctp_inpcb_bind(so, NULL, NULL, p); 1411 if (error) { 1412 goto out_now; 1413 } 1414 } 1415 1416 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1417 vrf_id = inp->def_vrf_id; 1418 1419 /* We are GOOD to go */ 1420 stcb = sctp_aloc_assoc_connected(inp, sa, &error, 0, 0, vrf_id, 1421 inp->sctp_ep.pre_open_stream_count, 1422 inp->sctp_ep.port, 1423 (struct thread *)p, 1424 SCTP_INITIALIZE_AUTH_PARAMS); 1425 if (stcb == NULL) { 1426 /* Gak! no memory */ 1427 goto out_now; 1428 } 1429 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1430 /* move to second address */ 1431 switch (sa->sa_family) { 1432 #ifdef INET 1433 case AF_INET: 1434 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1435 break; 1436 #endif 1437 #ifdef INET6 1438 case AF_INET6: 1439 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1440 break; 1441 #endif 1442 default: 1443 break; 1444 } 1445 1446 error = 0; 1447 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1448 /* Fill in the return id */ 1449 if (error) { 1450 goto out_now; 1451 } 1452 a_id = (sctp_assoc_t *)optval; 1453 *a_id = sctp_get_associd(stcb); 1454 1455 if (delay) { 1456 /* doing delayed connection */ 1457 stcb->asoc.delayed_connection = 1; 1458 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1459 } else { 1460 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1461 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1462 } 1463 SCTP_TCB_UNLOCK(stcb); 1464 out_now: 1465 if (creat_lock_on) { 1466 SCTP_ASOC_CREATE_UNLOCK(inp); 1467 } 1468 SCTP_INP_DECR_REF(inp); 1469 return (error); 1470 } 1471 1472 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1473 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1474 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1475 SCTP_INP_RLOCK(inp); \ 1476 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1477 if (stcb) { \ 1478 SCTP_TCB_LOCK(stcb); \ 1479 } \ 1480 SCTP_INP_RUNLOCK(inp); \ 1481 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1482 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1483 if (stcb == NULL) { \ 1484 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1485 error = ENOENT; \ 1486 break; \ 1487 } \ 1488 } else { \ 1489 stcb = NULL; \ 1490 } \ 1491 } 1492 1493 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1494 if (size < sizeof(type)) { \ 1495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1496 error = EINVAL; \ 1497 break; \ 1498 } else { \ 1499 destp = (type *)srcp; \ 1500 } \ 1501 } 1502 1503 static int 1504 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1505 void *p) 1506 { 1507 struct sctp_inpcb *inp = NULL; 1508 int error, val = 0; 1509 struct sctp_tcb *stcb = NULL; 1510 1511 if (optval == NULL) { 1512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1513 return (EINVAL); 1514 } 1515 1516 inp = (struct sctp_inpcb *)so->so_pcb; 1517 if (inp == NULL) { 1518 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1519 return EINVAL; 1520 } 1521 error = 0; 1522 1523 switch (optname) { 1524 case SCTP_NODELAY: 1525 case SCTP_AUTOCLOSE: 1526 case SCTP_EXPLICIT_EOR: 1527 case SCTP_AUTO_ASCONF: 1528 case SCTP_DISABLE_FRAGMENTS: 1529 case SCTP_I_WANT_MAPPED_V4_ADDR: 1530 case SCTP_USE_EXT_RCVINFO: 1531 SCTP_INP_RLOCK(inp); 1532 switch (optname) { 1533 case SCTP_DISABLE_FRAGMENTS: 1534 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1535 break; 1536 case SCTP_I_WANT_MAPPED_V4_ADDR: 1537 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1538 break; 1539 case SCTP_AUTO_ASCONF: 1540 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1541 /* only valid for bound all sockets */ 1542 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1543 } else { 1544 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1545 error = EINVAL; 1546 goto flags_out; 1547 } 1548 break; 1549 case SCTP_EXPLICIT_EOR: 1550 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1551 break; 1552 case SCTP_NODELAY: 1553 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1554 break; 1555 case SCTP_USE_EXT_RCVINFO: 1556 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1557 break; 1558 case SCTP_AUTOCLOSE: 1559 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1560 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1561 else 1562 val = 0; 1563 break; 1564 1565 default: 1566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1567 error = ENOPROTOOPT; 1568 } /* end switch (sopt->sopt_name) */ 1569 if (*optsize < sizeof(val)) { 1570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1571 error = EINVAL; 1572 } 1573 flags_out: 1574 SCTP_INP_RUNLOCK(inp); 1575 if (error == 0) { 1576 /* return the option value */ 1577 *(int *)optval = val; 1578 *optsize = sizeof(val); 1579 } 1580 break; 1581 case SCTP_GET_PACKET_LOG: 1582 { 1583 #ifdef SCTP_PACKET_LOGGING 1584 uint8_t *target; 1585 int ret; 1586 1587 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1588 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1589 *optsize = ret; 1590 #else 1591 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1592 error = EOPNOTSUPP; 1593 #endif 1594 break; 1595 } 1596 case SCTP_REUSE_PORT: 1597 { 1598 uint32_t *value; 1599 1600 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1601 /* Can't do this for a 1-m socket */ 1602 error = EINVAL; 1603 break; 1604 } 1605 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1606 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1607 *optsize = sizeof(uint32_t); 1608 break; 1609 } 1610 case SCTP_PARTIAL_DELIVERY_POINT: 1611 { 1612 uint32_t *value; 1613 1614 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1615 *value = inp->partial_delivery_point; 1616 *optsize = sizeof(uint32_t); 1617 break; 1618 } 1619 case SCTP_FRAGMENT_INTERLEAVE: 1620 { 1621 uint32_t *value; 1622 1623 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1624 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1625 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1626 *value = SCTP_FRAG_LEVEL_2; 1627 } else { 1628 *value = SCTP_FRAG_LEVEL_1; 1629 } 1630 } else { 1631 *value = SCTP_FRAG_LEVEL_0; 1632 } 1633 *optsize = sizeof(uint32_t); 1634 break; 1635 } 1636 case SCTP_INTERLEAVING_SUPPORTED: 1637 { 1638 struct sctp_assoc_value *av; 1639 1640 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1641 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1642 1643 if (stcb) { 1644 av->assoc_value = stcb->asoc.idata_supported; 1645 SCTP_TCB_UNLOCK(stcb); 1646 } else { 1647 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1648 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1649 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1650 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1651 SCTP_INP_RLOCK(inp); 1652 if (inp->idata_supported) { 1653 av->assoc_value = 1; 1654 } else { 1655 av->assoc_value = 0; 1656 } 1657 SCTP_INP_RUNLOCK(inp); 1658 } else { 1659 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1660 error = EINVAL; 1661 } 1662 } 1663 if (error == 0) { 1664 *optsize = sizeof(struct sctp_assoc_value); 1665 } 1666 break; 1667 } 1668 case SCTP_CMT_ON_OFF: 1669 { 1670 struct sctp_assoc_value *av; 1671 1672 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1673 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1674 if (stcb) { 1675 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1676 SCTP_TCB_UNLOCK(stcb); 1677 } else { 1678 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1679 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1680 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1681 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1682 SCTP_INP_RLOCK(inp); 1683 av->assoc_value = inp->sctp_cmt_on_off; 1684 SCTP_INP_RUNLOCK(inp); 1685 } else { 1686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1687 error = EINVAL; 1688 } 1689 } 1690 if (error == 0) { 1691 *optsize = sizeof(struct sctp_assoc_value); 1692 } 1693 break; 1694 } 1695 case SCTP_PLUGGABLE_CC: 1696 { 1697 struct sctp_assoc_value *av; 1698 1699 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1700 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1701 if (stcb) { 1702 av->assoc_value = stcb->asoc.congestion_control_module; 1703 SCTP_TCB_UNLOCK(stcb); 1704 } else { 1705 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1706 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1707 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1708 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1709 SCTP_INP_RLOCK(inp); 1710 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1711 SCTP_INP_RUNLOCK(inp); 1712 } else { 1713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1714 error = EINVAL; 1715 } 1716 } 1717 if (error == 0) { 1718 *optsize = sizeof(struct sctp_assoc_value); 1719 } 1720 break; 1721 } 1722 case SCTP_CC_OPTION: 1723 { 1724 struct sctp_cc_option *cc_opt; 1725 1726 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1727 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1728 if (stcb == NULL) { 1729 error = EINVAL; 1730 } else { 1731 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1732 error = ENOTSUP; 1733 } else { 1734 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1735 *optsize = sizeof(struct sctp_cc_option); 1736 } 1737 SCTP_TCB_UNLOCK(stcb); 1738 } 1739 break; 1740 } 1741 case SCTP_PLUGGABLE_SS: 1742 { 1743 struct sctp_assoc_value *av; 1744 1745 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1746 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1747 if (stcb) { 1748 av->assoc_value = stcb->asoc.stream_scheduling_module; 1749 SCTP_TCB_UNLOCK(stcb); 1750 } else { 1751 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1752 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1753 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1754 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1755 SCTP_INP_RLOCK(inp); 1756 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1757 SCTP_INP_RUNLOCK(inp); 1758 } else { 1759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1760 error = EINVAL; 1761 } 1762 } 1763 if (error == 0) { 1764 *optsize = sizeof(struct sctp_assoc_value); 1765 } 1766 break; 1767 } 1768 case SCTP_SS_VALUE: 1769 { 1770 struct sctp_stream_value *av; 1771 1772 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1773 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1774 if (stcb) { 1775 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1776 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1777 &av->stream_value) < 0)) { 1778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1779 error = EINVAL; 1780 } else { 1781 *optsize = sizeof(struct sctp_stream_value); 1782 } 1783 SCTP_TCB_UNLOCK(stcb); 1784 } else { 1785 /* 1786 * Can't get stream value without 1787 * association 1788 */ 1789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1790 error = EINVAL; 1791 } 1792 break; 1793 } 1794 case SCTP_GET_ADDR_LEN: 1795 { 1796 struct sctp_assoc_value *av; 1797 1798 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1799 error = EINVAL; 1800 #ifdef INET 1801 if (av->assoc_value == AF_INET) { 1802 av->assoc_value = sizeof(struct sockaddr_in); 1803 error = 0; 1804 } 1805 #endif 1806 #ifdef INET6 1807 if (av->assoc_value == AF_INET6) { 1808 av->assoc_value = sizeof(struct sockaddr_in6); 1809 error = 0; 1810 } 1811 #endif 1812 if (error) { 1813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1814 } else { 1815 *optsize = sizeof(struct sctp_assoc_value); 1816 } 1817 break; 1818 } 1819 case SCTP_GET_ASSOC_NUMBER: 1820 { 1821 uint32_t *value, cnt; 1822 1823 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1824 SCTP_INP_RLOCK(inp); 1825 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1826 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1827 /* Can't do this for a 1-1 socket */ 1828 error = EINVAL; 1829 SCTP_INP_RUNLOCK(inp); 1830 break; 1831 } 1832 cnt = 0; 1833 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1834 cnt++; 1835 } 1836 SCTP_INP_RUNLOCK(inp); 1837 *value = cnt; 1838 *optsize = sizeof(uint32_t); 1839 break; 1840 } 1841 case SCTP_GET_ASSOC_ID_LIST: 1842 { 1843 struct sctp_assoc_ids *ids; 1844 uint32_t at; 1845 size_t limit; 1846 1847 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1848 SCTP_INP_RLOCK(inp); 1849 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1850 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1851 /* Can't do this for a 1-1 socket */ 1852 error = EINVAL; 1853 SCTP_INP_RUNLOCK(inp); 1854 break; 1855 } 1856 at = 0; 1857 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1858 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1859 if (at < limit) { 1860 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1861 if (at == 0) { 1862 error = EINVAL; 1863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1864 break; 1865 } 1866 } else { 1867 error = EINVAL; 1868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1869 break; 1870 } 1871 } 1872 SCTP_INP_RUNLOCK(inp); 1873 if (error == 0) { 1874 ids->gaids_number_of_ids = at; 1875 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1876 } 1877 break; 1878 } 1879 case SCTP_CONTEXT: 1880 { 1881 struct sctp_assoc_value *av; 1882 1883 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1884 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1885 1886 if (stcb) { 1887 av->assoc_value = stcb->asoc.context; 1888 SCTP_TCB_UNLOCK(stcb); 1889 } else { 1890 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1891 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1892 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1893 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1894 SCTP_INP_RLOCK(inp); 1895 av->assoc_value = inp->sctp_context; 1896 SCTP_INP_RUNLOCK(inp); 1897 } else { 1898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1899 error = EINVAL; 1900 } 1901 } 1902 if (error == 0) { 1903 *optsize = sizeof(struct sctp_assoc_value); 1904 } 1905 break; 1906 } 1907 case SCTP_VRF_ID: 1908 { 1909 uint32_t *default_vrfid; 1910 1911 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1912 *default_vrfid = inp->def_vrf_id; 1913 *optsize = sizeof(uint32_t); 1914 break; 1915 } 1916 case SCTP_GET_ASOC_VRF: 1917 { 1918 struct sctp_assoc_value *id; 1919 1920 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1921 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1922 if (stcb == NULL) { 1923 error = EINVAL; 1924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1925 } else { 1926 id->assoc_value = stcb->asoc.vrf_id; 1927 SCTP_TCB_UNLOCK(stcb); 1928 *optsize = sizeof(struct sctp_assoc_value); 1929 } 1930 break; 1931 } 1932 case SCTP_GET_VRF_IDS: 1933 { 1934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1935 error = EOPNOTSUPP; 1936 break; 1937 } 1938 case SCTP_GET_NONCE_VALUES: 1939 { 1940 struct sctp_get_nonce_values *gnv; 1941 1942 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1943 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1944 1945 if (stcb) { 1946 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1947 gnv->gn_local_tag = stcb->asoc.my_vtag; 1948 SCTP_TCB_UNLOCK(stcb); 1949 *optsize = sizeof(struct sctp_get_nonce_values); 1950 } else { 1951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1952 error = ENOTCONN; 1953 } 1954 break; 1955 } 1956 case SCTP_DELAYED_SACK: 1957 { 1958 struct sctp_sack_info *sack; 1959 1960 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1961 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1962 if (stcb) { 1963 sack->sack_delay = stcb->asoc.delayed_ack; 1964 sack->sack_freq = stcb->asoc.sack_freq; 1965 SCTP_TCB_UNLOCK(stcb); 1966 } else { 1967 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1968 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1969 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1970 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1971 SCTP_INP_RLOCK(inp); 1972 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1973 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1974 SCTP_INP_RUNLOCK(inp); 1975 } else { 1976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1977 error = EINVAL; 1978 } 1979 } 1980 if (error == 0) { 1981 *optsize = sizeof(struct sctp_sack_info); 1982 } 1983 break; 1984 } 1985 case SCTP_GET_SNDBUF_USE: 1986 { 1987 struct sctp_sockstat *ss; 1988 1989 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 1990 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 1991 1992 if (stcb) { 1993 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 1994 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 1995 stcb->asoc.size_on_all_streams); 1996 SCTP_TCB_UNLOCK(stcb); 1997 *optsize = sizeof(struct sctp_sockstat); 1998 } else { 1999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2000 error = ENOTCONN; 2001 } 2002 break; 2003 } 2004 case SCTP_MAX_BURST: 2005 { 2006 struct sctp_assoc_value *av; 2007 2008 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2009 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2010 2011 if (stcb) { 2012 av->assoc_value = stcb->asoc.max_burst; 2013 SCTP_TCB_UNLOCK(stcb); 2014 } else { 2015 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2016 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2017 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2018 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2019 SCTP_INP_RLOCK(inp); 2020 av->assoc_value = inp->sctp_ep.max_burst; 2021 SCTP_INP_RUNLOCK(inp); 2022 } else { 2023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2024 error = EINVAL; 2025 } 2026 } 2027 if (error == 0) { 2028 *optsize = sizeof(struct sctp_assoc_value); 2029 } 2030 break; 2031 } 2032 case SCTP_MAXSEG: 2033 { 2034 struct sctp_assoc_value *av; 2035 2036 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2037 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2038 2039 if (stcb) { 2040 av->assoc_value = stcb->asoc.sctp_frag_point; 2041 SCTP_TCB_UNLOCK(stcb); 2042 } else { 2043 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2044 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2045 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2046 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2047 SCTP_INP_RLOCK(inp); 2048 av->assoc_value = inp->sctp_frag_point; 2049 SCTP_INP_RUNLOCK(inp); 2050 } else { 2051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2052 error = EINVAL; 2053 } 2054 } 2055 if (error == 0) { 2056 *optsize = sizeof(struct sctp_assoc_value); 2057 } 2058 break; 2059 } 2060 case SCTP_GET_STAT_LOG: 2061 error = sctp_fill_stat_log(optval, optsize); 2062 break; 2063 case SCTP_EVENTS: 2064 { 2065 struct sctp_event_subscribe *events; 2066 2067 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2068 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2069 SCTP_INP_RLOCK(inp); 2070 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2071 events->sctp_data_io_event = 1; 2072 2073 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2074 events->sctp_association_event = 1; 2075 2076 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2077 events->sctp_address_event = 1; 2078 2079 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2080 events->sctp_send_failure_event = 1; 2081 2082 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2083 events->sctp_peer_error_event = 1; 2084 2085 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2086 events->sctp_shutdown_event = 1; 2087 2088 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2089 events->sctp_partial_delivery_event = 1; 2090 2091 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2092 events->sctp_adaptation_layer_event = 1; 2093 2094 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2095 events->sctp_authentication_event = 1; 2096 2097 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2098 events->sctp_sender_dry_event = 1; 2099 2100 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2101 events->sctp_stream_reset_event = 1; 2102 SCTP_INP_RUNLOCK(inp); 2103 *optsize = sizeof(struct sctp_event_subscribe); 2104 break; 2105 } 2106 case SCTP_ADAPTATION_LAYER: 2107 { 2108 uint32_t *value; 2109 2110 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2111 2112 SCTP_INP_RLOCK(inp); 2113 *value = inp->sctp_ep.adaptation_layer_indicator; 2114 SCTP_INP_RUNLOCK(inp); 2115 *optsize = sizeof(uint32_t); 2116 break; 2117 } 2118 case SCTP_SET_INITIAL_DBG_SEQ: 2119 { 2120 uint32_t *value; 2121 2122 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2123 SCTP_INP_RLOCK(inp); 2124 *value = inp->sctp_ep.initial_sequence_debug; 2125 SCTP_INP_RUNLOCK(inp); 2126 *optsize = sizeof(uint32_t); 2127 break; 2128 } 2129 case SCTP_GET_LOCAL_ADDR_SIZE: 2130 { 2131 uint32_t *value; 2132 2133 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2134 SCTP_INP_RLOCK(inp); 2135 *value = (uint32_t)sctp_max_size_addresses(inp); 2136 SCTP_INP_RUNLOCK(inp); 2137 *optsize = sizeof(uint32_t); 2138 break; 2139 } 2140 case SCTP_GET_REMOTE_ADDR_SIZE: 2141 { 2142 uint32_t *value; 2143 struct sctp_nets *net; 2144 size_t size; 2145 2146 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2147 /* FIXME MT: change to sctp_assoc_value? */ 2148 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2149 2150 if (stcb != NULL) { 2151 size = 0; 2152 /* Count the sizes */ 2153 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2154 switch (net->ro._l_addr.sa.sa_family) { 2155 #ifdef INET 2156 case AF_INET: 2157 #ifdef INET6 2158 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2159 size += sizeof(struct sockaddr_in6); 2160 } else { 2161 size += sizeof(struct sockaddr_in); 2162 } 2163 #else 2164 size += sizeof(struct sockaddr_in); 2165 #endif 2166 break; 2167 #endif 2168 #ifdef INET6 2169 case AF_INET6: 2170 size += sizeof(struct sockaddr_in6); 2171 break; 2172 #endif 2173 default: 2174 break; 2175 } 2176 } 2177 SCTP_TCB_UNLOCK(stcb); 2178 *value = (uint32_t)size; 2179 *optsize = sizeof(uint32_t); 2180 } else { 2181 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2182 ((sctp_assoc_t)*value <= SCTP_ALL_ASSOC)) { 2183 error = EINVAL; 2184 } else { 2185 error = ENOENT; 2186 } 2187 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2188 } 2189 break; 2190 } 2191 case SCTP_GET_PEER_ADDRESSES: 2192 /* 2193 * Get the address information, an array is passed in to 2194 * fill up we pack it. 2195 */ 2196 { 2197 size_t cpsz, left; 2198 struct sockaddr *addr; 2199 struct sctp_nets *net; 2200 struct sctp_getaddresses *saddr; 2201 2202 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2203 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2204 2205 if (stcb != NULL) { 2206 left = *optsize - offsetof(struct sctp_getaddresses, addr); 2207 *optsize = offsetof(struct sctp_getaddresses, addr); 2208 addr = &saddr->addr[0].sa; 2209 2210 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2211 switch (net->ro._l_addr.sa.sa_family) { 2212 #ifdef INET 2213 case AF_INET: 2214 #ifdef INET6 2215 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2216 cpsz = sizeof(struct sockaddr_in6); 2217 } else { 2218 cpsz = sizeof(struct sockaddr_in); 2219 } 2220 #else 2221 cpsz = sizeof(struct sockaddr_in); 2222 #endif 2223 break; 2224 #endif 2225 #ifdef INET6 2226 case AF_INET6: 2227 cpsz = sizeof(struct sockaddr_in6); 2228 break; 2229 #endif 2230 default: 2231 cpsz = 0; 2232 break; 2233 } 2234 if (cpsz == 0) { 2235 break; 2236 } 2237 if (left < cpsz) { 2238 /* not enough room. */ 2239 break; 2240 } 2241 #if defined(INET) && defined(INET6) 2242 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2243 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2244 /* Must map the address */ 2245 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2246 (struct sockaddr_in6 *)addr); 2247 } else { 2248 memcpy(addr, &net->ro._l_addr, cpsz); 2249 } 2250 #else 2251 memcpy(addr, &net->ro._l_addr, cpsz); 2252 #endif 2253 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2254 2255 addr = (struct sockaddr *)((caddr_t)addr + cpsz); 2256 left -= cpsz; 2257 *optsize += cpsz; 2258 } 2259 SCTP_TCB_UNLOCK(stcb); 2260 } else { 2261 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2262 (saddr->sget_assoc_id <= SCTP_ALL_ASSOC)) { 2263 error = EINVAL; 2264 } else { 2265 error = ENOENT; 2266 } 2267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2268 } 2269 break; 2270 } 2271 case SCTP_GET_LOCAL_ADDRESSES: 2272 { 2273 size_t limit, actual; 2274 struct sctp_getaddresses *saddr; 2275 2276 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2277 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2278 2279 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2280 ((saddr->sget_assoc_id == SCTP_CURRENT_ASSOC) || 2281 (saddr->sget_assoc_id == SCTP_ALL_ASSOC))) { 2282 error = EINVAL; 2283 } else { 2284 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2285 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2286 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2287 } 2288 if (stcb != NULL) { 2289 SCTP_TCB_UNLOCK(stcb); 2290 } 2291 break; 2292 } 2293 case SCTP_PEER_ADDR_PARAMS: 2294 { 2295 struct sctp_paddrparams *paddrp; 2296 struct sctp_nets *net; 2297 struct sockaddr *addr; 2298 #if defined(INET) && defined(INET6) 2299 struct sockaddr_in sin_store; 2300 #endif 2301 2302 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2303 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2304 2305 #if defined(INET) && defined(INET6) 2306 if (paddrp->spp_address.ss_family == AF_INET6) { 2307 struct sockaddr_in6 *sin6; 2308 2309 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2310 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2311 in6_sin6_2_sin(&sin_store, sin6); 2312 addr = (struct sockaddr *)&sin_store; 2313 } else { 2314 addr = (struct sockaddr *)&paddrp->spp_address; 2315 } 2316 } else { 2317 addr = (struct sockaddr *)&paddrp->spp_address; 2318 } 2319 #else 2320 addr = (struct sockaddr *)&paddrp->spp_address; 2321 #endif 2322 if (stcb != NULL) { 2323 net = sctp_findnet(stcb, addr); 2324 } else { 2325 /* 2326 * We increment here since 2327 * sctp_findassociation_ep_addr() wil do a 2328 * decrement if it finds the stcb as long as 2329 * the locked tcb (last argument) is NOT a 2330 * TCB.. aka NULL. 2331 */ 2332 net = NULL; 2333 SCTP_INP_INCR_REF(inp); 2334 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2335 if (stcb == NULL) { 2336 SCTP_INP_DECR_REF(inp); 2337 } 2338 } 2339 if ((stcb != NULL) && (net == NULL)) { 2340 #ifdef INET 2341 if (addr->sa_family == AF_INET) { 2342 struct sockaddr_in *sin; 2343 2344 sin = (struct sockaddr_in *)addr; 2345 if (sin->sin_addr.s_addr != INADDR_ANY) { 2346 error = EINVAL; 2347 SCTP_TCB_UNLOCK(stcb); 2348 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2349 break; 2350 } 2351 } else 2352 #endif 2353 #ifdef INET6 2354 if (addr->sa_family == AF_INET6) { 2355 struct sockaddr_in6 *sin6; 2356 2357 sin6 = (struct sockaddr_in6 *)addr; 2358 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2359 error = EINVAL; 2360 SCTP_TCB_UNLOCK(stcb); 2361 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2362 break; 2363 } 2364 } else 2365 #endif 2366 { 2367 error = EAFNOSUPPORT; 2368 SCTP_TCB_UNLOCK(stcb); 2369 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2370 break; 2371 } 2372 } 2373 2374 if (stcb != NULL) { 2375 /* Applies to the specific association */ 2376 paddrp->spp_flags = 0; 2377 if (net != NULL) { 2378 paddrp->spp_hbinterval = net->heart_beat_delay; 2379 paddrp->spp_pathmaxrxt = net->failure_threshold; 2380 paddrp->spp_pathmtu = net->mtu; 2381 switch (net->ro._l_addr.sa.sa_family) { 2382 #ifdef INET 2383 case AF_INET: 2384 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2385 break; 2386 #endif 2387 #ifdef INET6 2388 case AF_INET6: 2389 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2390 break; 2391 #endif 2392 default: 2393 break; 2394 } 2395 /* get flags for HB */ 2396 if (net->dest_state & SCTP_ADDR_NOHB) { 2397 paddrp->spp_flags |= SPP_HB_DISABLE; 2398 } else { 2399 paddrp->spp_flags |= SPP_HB_ENABLE; 2400 } 2401 /* get flags for PMTU */ 2402 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2403 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2404 } else { 2405 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2406 } 2407 if (net->dscp & 0x01) { 2408 paddrp->spp_dscp = net->dscp & 0xfc; 2409 paddrp->spp_flags |= SPP_DSCP; 2410 } 2411 #ifdef INET6 2412 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2413 (net->flowlabel & 0x80000000)) { 2414 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2415 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2416 } 2417 #endif 2418 } else { 2419 /* 2420 * No destination so return default 2421 * value 2422 */ 2423 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2424 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2425 if (stcb->asoc.default_dscp & 0x01) { 2426 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2427 paddrp->spp_flags |= SPP_DSCP; 2428 } 2429 #ifdef INET6 2430 if (stcb->asoc.default_flowlabel & 0x80000000) { 2431 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2432 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2433 } 2434 #endif 2435 /* default settings should be these */ 2436 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2437 paddrp->spp_flags |= SPP_HB_DISABLE; 2438 } else { 2439 paddrp->spp_flags |= SPP_HB_ENABLE; 2440 } 2441 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2442 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2443 } else { 2444 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2445 } 2446 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2447 } 2448 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2449 SCTP_TCB_UNLOCK(stcb); 2450 } else { 2451 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2452 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2453 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2454 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2455 /* Use endpoint defaults */ 2456 SCTP_INP_RLOCK(inp); 2457 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2458 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2459 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2460 /* get inp's default */ 2461 if (inp->sctp_ep.default_dscp & 0x01) { 2462 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2463 paddrp->spp_flags |= SPP_DSCP; 2464 } 2465 #ifdef INET6 2466 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2467 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2468 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2469 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2470 } 2471 #endif 2472 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2473 2474 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2475 paddrp->spp_flags |= SPP_HB_ENABLE; 2476 } else { 2477 paddrp->spp_flags |= SPP_HB_DISABLE; 2478 } 2479 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2480 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2481 } else { 2482 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2483 } 2484 SCTP_INP_RUNLOCK(inp); 2485 } else { 2486 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2487 error = EINVAL; 2488 } 2489 } 2490 if (error == 0) { 2491 *optsize = sizeof(struct sctp_paddrparams); 2492 } 2493 break; 2494 } 2495 case SCTP_GET_PEER_ADDR_INFO: 2496 { 2497 struct sctp_paddrinfo *paddri; 2498 struct sctp_nets *net; 2499 struct sockaddr *addr; 2500 #if defined(INET) && defined(INET6) 2501 struct sockaddr_in sin_store; 2502 #endif 2503 2504 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2505 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2506 2507 #if defined(INET) && defined(INET6) 2508 if (paddri->spinfo_address.ss_family == AF_INET6) { 2509 struct sockaddr_in6 *sin6; 2510 2511 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2512 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2513 in6_sin6_2_sin(&sin_store, sin6); 2514 addr = (struct sockaddr *)&sin_store; 2515 } else { 2516 addr = (struct sockaddr *)&paddri->spinfo_address; 2517 } 2518 } else { 2519 addr = (struct sockaddr *)&paddri->spinfo_address; 2520 } 2521 #else 2522 addr = (struct sockaddr *)&paddri->spinfo_address; 2523 #endif 2524 if (stcb != NULL) { 2525 net = sctp_findnet(stcb, addr); 2526 } else { 2527 /* 2528 * We increment here since 2529 * sctp_findassociation_ep_addr() wil do a 2530 * decrement if it finds the stcb as long as 2531 * the locked tcb (last argument) is NOT a 2532 * TCB.. aka NULL. 2533 */ 2534 net = NULL; 2535 SCTP_INP_INCR_REF(inp); 2536 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2537 if (stcb == NULL) { 2538 SCTP_INP_DECR_REF(inp); 2539 } 2540 } 2541 2542 if ((stcb != NULL) && (net != NULL)) { 2543 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2544 /* It's unconfirmed */ 2545 paddri->spinfo_state = SCTP_UNCONFIRMED; 2546 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2547 /* It's active */ 2548 paddri->spinfo_state = SCTP_ACTIVE; 2549 } else { 2550 /* It's inactive */ 2551 paddri->spinfo_state = SCTP_INACTIVE; 2552 } 2553 paddri->spinfo_cwnd = net->cwnd; 2554 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2555 paddri->spinfo_rto = net->RTO; 2556 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2557 paddri->spinfo_mtu = net->mtu; 2558 switch (addr->sa_family) { 2559 #if defined(INET) 2560 case AF_INET: 2561 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2562 break; 2563 #endif 2564 #if defined(INET6) 2565 case AF_INET6: 2566 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2567 break; 2568 #endif 2569 default: 2570 break; 2571 } 2572 SCTP_TCB_UNLOCK(stcb); 2573 *optsize = sizeof(struct sctp_paddrinfo); 2574 } else { 2575 if (stcb != NULL) { 2576 SCTP_TCB_UNLOCK(stcb); 2577 } 2578 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2579 error = ENOENT; 2580 } 2581 break; 2582 } 2583 case SCTP_PCB_STATUS: 2584 { 2585 struct sctp_pcbinfo *spcb; 2586 2587 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2588 sctp_fill_pcbinfo(spcb); 2589 *optsize = sizeof(struct sctp_pcbinfo); 2590 break; 2591 } 2592 case SCTP_STATUS: 2593 { 2594 struct sctp_nets *net; 2595 struct sctp_status *sstat; 2596 2597 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2598 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2599 2600 if (stcb == NULL) { 2601 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2602 error = EINVAL; 2603 break; 2604 } 2605 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2606 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2607 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2608 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2609 /* 2610 * We can't include chunks that have been passed to 2611 * the socket layer. Only things in queue. 2612 */ 2613 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2614 stcb->asoc.cnt_on_all_streams); 2615 sstat->sstat_instrms = stcb->asoc.streamincnt; 2616 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2617 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb); 2618 net = stcb->asoc.primary_destination; 2619 if (net != NULL) { 2620 memcpy(&sstat->sstat_primary.spinfo_address, 2621 &net->ro._l_addr, 2622 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2623 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2624 /* 2625 * Again the user can get info from 2626 * sctp_constants.h for what the state of 2627 * the network is. 2628 */ 2629 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2630 /* It's unconfirmed */ 2631 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2632 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2633 /* It's active */ 2634 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2635 } else { 2636 /* It's inactive */ 2637 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2638 } 2639 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2640 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2641 sstat->sstat_primary.spinfo_rto = net->RTO; 2642 sstat->sstat_primary.spinfo_mtu = net->mtu; 2643 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2644 #if defined(INET) 2645 case AF_INET: 2646 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2647 break; 2648 #endif 2649 #if defined(INET6) 2650 case AF_INET6: 2651 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2652 break; 2653 #endif 2654 default: 2655 break; 2656 } 2657 } else { 2658 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2659 } 2660 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2661 SCTP_TCB_UNLOCK(stcb); 2662 *optsize = sizeof(struct sctp_status); 2663 break; 2664 } 2665 case SCTP_RTOINFO: 2666 { 2667 struct sctp_rtoinfo *srto; 2668 2669 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2670 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2671 2672 if (stcb) { 2673 srto->srto_initial = stcb->asoc.initial_rto; 2674 srto->srto_max = stcb->asoc.maxrto; 2675 srto->srto_min = stcb->asoc.minrto; 2676 SCTP_TCB_UNLOCK(stcb); 2677 } else { 2678 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2679 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2680 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2681 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2682 SCTP_INP_RLOCK(inp); 2683 srto->srto_initial = inp->sctp_ep.initial_rto; 2684 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2685 srto->srto_min = inp->sctp_ep.sctp_minrto; 2686 SCTP_INP_RUNLOCK(inp); 2687 } else { 2688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2689 error = EINVAL; 2690 } 2691 } 2692 if (error == 0) { 2693 *optsize = sizeof(struct sctp_rtoinfo); 2694 } 2695 break; 2696 } 2697 case SCTP_TIMEOUTS: 2698 { 2699 struct sctp_timeouts *stimo; 2700 2701 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2702 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2703 2704 if (stcb) { 2705 stimo->stimo_init = stcb->asoc.timoinit; 2706 stimo->stimo_data = stcb->asoc.timodata; 2707 stimo->stimo_sack = stcb->asoc.timosack; 2708 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2709 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2710 stimo->stimo_cookie = stcb->asoc.timocookie; 2711 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2712 SCTP_TCB_UNLOCK(stcb); 2713 *optsize = sizeof(struct sctp_timeouts); 2714 } else { 2715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2716 error = EINVAL; 2717 } 2718 break; 2719 } 2720 case SCTP_ASSOCINFO: 2721 { 2722 struct sctp_assocparams *sasoc; 2723 2724 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2725 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2726 2727 if (stcb) { 2728 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2729 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2730 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2731 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2732 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2733 SCTP_TCB_UNLOCK(stcb); 2734 } else { 2735 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2736 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2737 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2738 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2739 SCTP_INP_RLOCK(inp); 2740 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2741 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2742 sasoc->sasoc_number_peer_destinations = 0; 2743 sasoc->sasoc_peer_rwnd = 0; 2744 sasoc->sasoc_local_rwnd = (uint32_t)sbspace(&inp->sctp_socket->so_rcv); 2745 SCTP_INP_RUNLOCK(inp); 2746 } else { 2747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2748 error = EINVAL; 2749 } 2750 } 2751 if (error == 0) { 2752 *optsize = sizeof(struct sctp_assocparams); 2753 } 2754 break; 2755 } 2756 case SCTP_DEFAULT_SEND_PARAM: 2757 { 2758 struct sctp_sndrcvinfo *s_info; 2759 2760 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2761 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2762 2763 if (stcb) { 2764 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2765 SCTP_TCB_UNLOCK(stcb); 2766 } else { 2767 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2768 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2769 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2770 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2771 SCTP_INP_RLOCK(inp); 2772 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2773 SCTP_INP_RUNLOCK(inp); 2774 } else { 2775 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2776 error = EINVAL; 2777 } 2778 } 2779 if (error == 0) { 2780 *optsize = sizeof(struct sctp_sndrcvinfo); 2781 } 2782 break; 2783 } 2784 case SCTP_INITMSG: 2785 { 2786 struct sctp_initmsg *sinit; 2787 2788 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2789 SCTP_INP_RLOCK(inp); 2790 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2791 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2792 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2793 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2794 SCTP_INP_RUNLOCK(inp); 2795 *optsize = sizeof(struct sctp_initmsg); 2796 break; 2797 } 2798 case SCTP_PRIMARY_ADDR: 2799 /* we allow a "get" operation on this */ 2800 { 2801 struct sctp_setprim *ssp; 2802 2803 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2804 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2805 2806 if (stcb) { 2807 union sctp_sockstore *addr; 2808 2809 addr = &stcb->asoc.primary_destination->ro._l_addr; 2810 switch (addr->sa.sa_family) { 2811 #ifdef INET 2812 case AF_INET: 2813 #ifdef INET6 2814 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2815 in6_sin_2_v4mapsin6(&addr->sin, 2816 (struct sockaddr_in6 *)&ssp->ssp_addr); 2817 } else { 2818 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2819 } 2820 #else 2821 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2822 #endif 2823 break; 2824 #endif 2825 #ifdef INET6 2826 case AF_INET6: 2827 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2828 break; 2829 #endif 2830 default: 2831 break; 2832 } 2833 SCTP_TCB_UNLOCK(stcb); 2834 *optsize = sizeof(struct sctp_setprim); 2835 } else { 2836 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2837 error = EINVAL; 2838 } 2839 break; 2840 } 2841 case SCTP_HMAC_IDENT: 2842 { 2843 struct sctp_hmacalgo *shmac; 2844 sctp_hmaclist_t *hmaclist; 2845 size_t size; 2846 int i; 2847 2848 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2849 2850 SCTP_INP_RLOCK(inp); 2851 hmaclist = inp->sctp_ep.local_hmacs; 2852 if (hmaclist == NULL) { 2853 /* no HMACs to return */ 2854 *optsize = sizeof(*shmac); 2855 SCTP_INP_RUNLOCK(inp); 2856 break; 2857 } 2858 /* is there room for all of the hmac ids? */ 2859 size = sizeof(*shmac) + (hmaclist->num_algo * 2860 sizeof(shmac->shmac_idents[0])); 2861 if (*optsize < size) { 2862 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2863 error = EINVAL; 2864 SCTP_INP_RUNLOCK(inp); 2865 break; 2866 } 2867 /* copy in the list */ 2868 shmac->shmac_number_of_idents = hmaclist->num_algo; 2869 for (i = 0; i < hmaclist->num_algo; i++) { 2870 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2871 } 2872 SCTP_INP_RUNLOCK(inp); 2873 *optsize = size; 2874 break; 2875 } 2876 case SCTP_AUTH_ACTIVE_KEY: 2877 { 2878 struct sctp_authkeyid *scact; 2879 2880 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2881 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2882 2883 if (stcb) { 2884 /* get the active key on the assoc */ 2885 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2886 SCTP_TCB_UNLOCK(stcb); 2887 } else { 2888 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2889 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2890 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2891 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2892 /* get the endpoint active key */ 2893 SCTP_INP_RLOCK(inp); 2894 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2895 SCTP_INP_RUNLOCK(inp); 2896 } else { 2897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2898 error = EINVAL; 2899 } 2900 } 2901 if (error == 0) { 2902 *optsize = sizeof(struct sctp_authkeyid); 2903 } 2904 break; 2905 } 2906 case SCTP_LOCAL_AUTH_CHUNKS: 2907 { 2908 struct sctp_authchunks *sac; 2909 sctp_auth_chklist_t *chklist = NULL; 2910 size_t size = 0; 2911 2912 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2913 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2914 2915 if (stcb) { 2916 /* get off the assoc */ 2917 chklist = stcb->asoc.local_auth_chunks; 2918 /* is there enough space? */ 2919 size = sctp_auth_get_chklist_size(chklist); 2920 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2921 error = EINVAL; 2922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2923 } else { 2924 /* copy in the chunks */ 2925 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2926 sac->gauth_number_of_chunks = (uint32_t)size; 2927 *optsize = sizeof(struct sctp_authchunks) + size; 2928 } 2929 SCTP_TCB_UNLOCK(stcb); 2930 } else { 2931 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2932 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2933 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2934 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2935 /* get off the endpoint */ 2936 SCTP_INP_RLOCK(inp); 2937 chklist = inp->sctp_ep.local_auth_chunks; 2938 /* is there enough space? */ 2939 size = sctp_auth_get_chklist_size(chklist); 2940 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2941 error = EINVAL; 2942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2943 } else { 2944 /* copy in the chunks */ 2945 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2946 sac->gauth_number_of_chunks = (uint32_t)size; 2947 *optsize = sizeof(struct sctp_authchunks) + size; 2948 } 2949 SCTP_INP_RUNLOCK(inp); 2950 } else { 2951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2952 error = EINVAL; 2953 } 2954 } 2955 break; 2956 } 2957 case SCTP_PEER_AUTH_CHUNKS: 2958 { 2959 struct sctp_authchunks *sac; 2960 sctp_auth_chklist_t *chklist = NULL; 2961 size_t size = 0; 2962 2963 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2964 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2965 2966 if (stcb) { 2967 /* get off the assoc */ 2968 chklist = stcb->asoc.peer_auth_chunks; 2969 /* is there enough space? */ 2970 size = sctp_auth_get_chklist_size(chklist); 2971 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2972 error = EINVAL; 2973 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2974 } else { 2975 /* copy in the chunks */ 2976 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2977 sac->gauth_number_of_chunks = (uint32_t)size; 2978 *optsize = sizeof(struct sctp_authchunks) + size; 2979 } 2980 SCTP_TCB_UNLOCK(stcb); 2981 } else { 2982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2983 error = ENOENT; 2984 } 2985 break; 2986 } 2987 case SCTP_EVENT: 2988 { 2989 struct sctp_event *event; 2990 uint32_t event_type; 2991 2992 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2993 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2994 2995 switch (event->se_type) { 2996 case SCTP_ASSOC_CHANGE: 2997 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2998 break; 2999 case SCTP_PEER_ADDR_CHANGE: 3000 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3001 break; 3002 case SCTP_REMOTE_ERROR: 3003 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3004 break; 3005 case SCTP_SEND_FAILED: 3006 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3007 break; 3008 case SCTP_SHUTDOWN_EVENT: 3009 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3010 break; 3011 case SCTP_ADAPTATION_INDICATION: 3012 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3013 break; 3014 case SCTP_PARTIAL_DELIVERY_EVENT: 3015 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3016 break; 3017 case SCTP_AUTHENTICATION_EVENT: 3018 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3019 break; 3020 case SCTP_STREAM_RESET_EVENT: 3021 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3022 break; 3023 case SCTP_SENDER_DRY_EVENT: 3024 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3025 break; 3026 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3027 event_type = 0; 3028 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3029 error = ENOTSUP; 3030 break; 3031 case SCTP_ASSOC_RESET_EVENT: 3032 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3033 break; 3034 case SCTP_STREAM_CHANGE_EVENT: 3035 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3036 break; 3037 case SCTP_SEND_FAILED_EVENT: 3038 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3039 break; 3040 default: 3041 event_type = 0; 3042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3043 error = EINVAL; 3044 break; 3045 } 3046 if (event_type > 0) { 3047 if (stcb) { 3048 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3049 } else { 3050 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3051 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3052 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3053 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3054 SCTP_INP_RLOCK(inp); 3055 event->se_on = sctp_is_feature_on(inp, event_type); 3056 SCTP_INP_RUNLOCK(inp); 3057 } else { 3058 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3059 error = EINVAL; 3060 } 3061 } 3062 } 3063 if (stcb != NULL) { 3064 SCTP_TCB_UNLOCK(stcb); 3065 } 3066 if (error == 0) { 3067 *optsize = sizeof(struct sctp_event); 3068 } 3069 break; 3070 } 3071 case SCTP_RECVRCVINFO: 3072 if (*optsize < sizeof(int)) { 3073 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3074 error = EINVAL; 3075 } else { 3076 SCTP_INP_RLOCK(inp); 3077 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3078 SCTP_INP_RUNLOCK(inp); 3079 *optsize = sizeof(int); 3080 } 3081 break; 3082 case SCTP_RECVNXTINFO: 3083 if (*optsize < sizeof(int)) { 3084 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3085 error = EINVAL; 3086 } else { 3087 SCTP_INP_RLOCK(inp); 3088 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3089 SCTP_INP_RUNLOCK(inp); 3090 *optsize = sizeof(int); 3091 } 3092 break; 3093 case SCTP_DEFAULT_SNDINFO: 3094 { 3095 struct sctp_sndinfo *info; 3096 3097 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3098 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3099 3100 if (stcb) { 3101 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3102 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3103 info->snd_flags &= 0xfff0; 3104 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3105 info->snd_context = stcb->asoc.def_send.sinfo_context; 3106 SCTP_TCB_UNLOCK(stcb); 3107 } else { 3108 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3109 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3110 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3111 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3112 SCTP_INP_RLOCK(inp); 3113 info->snd_sid = inp->def_send.sinfo_stream; 3114 info->snd_flags = inp->def_send.sinfo_flags; 3115 info->snd_flags &= 0xfff0; 3116 info->snd_ppid = inp->def_send.sinfo_ppid; 3117 info->snd_context = inp->def_send.sinfo_context; 3118 SCTP_INP_RUNLOCK(inp); 3119 } else { 3120 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3121 error = EINVAL; 3122 } 3123 } 3124 if (error == 0) { 3125 *optsize = sizeof(struct sctp_sndinfo); 3126 } 3127 break; 3128 } 3129 case SCTP_DEFAULT_PRINFO: 3130 { 3131 struct sctp_default_prinfo *info; 3132 3133 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3134 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3135 3136 if (stcb) { 3137 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3138 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3139 SCTP_TCB_UNLOCK(stcb); 3140 } else { 3141 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3142 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3143 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3144 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3145 SCTP_INP_RLOCK(inp); 3146 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3147 info->pr_value = inp->def_send.sinfo_timetolive; 3148 SCTP_INP_RUNLOCK(inp); 3149 } else { 3150 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3151 error = EINVAL; 3152 } 3153 } 3154 if (error == 0) { 3155 *optsize = sizeof(struct sctp_default_prinfo); 3156 } 3157 break; 3158 } 3159 case SCTP_PEER_ADDR_THLDS: 3160 { 3161 struct sctp_paddrthlds *thlds; 3162 struct sctp_nets *net; 3163 struct sockaddr *addr; 3164 #if defined(INET) && defined(INET6) 3165 struct sockaddr_in sin_store; 3166 #endif 3167 3168 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3169 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3170 3171 #if defined(INET) && defined(INET6) 3172 if (thlds->spt_address.ss_family == AF_INET6) { 3173 struct sockaddr_in6 *sin6; 3174 3175 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3176 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3177 in6_sin6_2_sin(&sin_store, sin6); 3178 addr = (struct sockaddr *)&sin_store; 3179 } else { 3180 addr = (struct sockaddr *)&thlds->spt_address; 3181 } 3182 } else { 3183 addr = (struct sockaddr *)&thlds->spt_address; 3184 } 3185 #else 3186 addr = (struct sockaddr *)&thlds->spt_address; 3187 #endif 3188 if (stcb != NULL) { 3189 net = sctp_findnet(stcb, addr); 3190 } else { 3191 /* 3192 * We increment here since 3193 * sctp_findassociation_ep_addr() wil do a 3194 * decrement if it finds the stcb as long as 3195 * the locked tcb (last argument) is NOT a 3196 * TCB.. aka NULL. 3197 */ 3198 net = NULL; 3199 SCTP_INP_INCR_REF(inp); 3200 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3201 if (stcb == NULL) { 3202 SCTP_INP_DECR_REF(inp); 3203 } 3204 } 3205 if ((stcb != NULL) && (net == NULL)) { 3206 #ifdef INET 3207 if (addr->sa_family == AF_INET) { 3208 struct sockaddr_in *sin; 3209 3210 sin = (struct sockaddr_in *)addr; 3211 if (sin->sin_addr.s_addr != INADDR_ANY) { 3212 error = EINVAL; 3213 SCTP_TCB_UNLOCK(stcb); 3214 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3215 break; 3216 } 3217 } else 3218 #endif 3219 #ifdef INET6 3220 if (addr->sa_family == AF_INET6) { 3221 struct sockaddr_in6 *sin6; 3222 3223 sin6 = (struct sockaddr_in6 *)addr; 3224 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3225 error = EINVAL; 3226 SCTP_TCB_UNLOCK(stcb); 3227 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3228 break; 3229 } 3230 } else 3231 #endif 3232 { 3233 error = EAFNOSUPPORT; 3234 SCTP_TCB_UNLOCK(stcb); 3235 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3236 break; 3237 } 3238 } 3239 3240 if (stcb != NULL) { 3241 if (net != NULL) { 3242 thlds->spt_pathmaxrxt = net->failure_threshold; 3243 thlds->spt_pathpfthld = net->pf_threshold; 3244 thlds->spt_pathcpthld = 0xffff; 3245 } else { 3246 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3247 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3248 thlds->spt_pathcpthld = 0xffff; 3249 } 3250 thlds->spt_assoc_id = sctp_get_associd(stcb); 3251 SCTP_TCB_UNLOCK(stcb); 3252 } else { 3253 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3254 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3255 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3256 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3257 /* Use endpoint defaults */ 3258 SCTP_INP_RLOCK(inp); 3259 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3260 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3261 thlds->spt_pathcpthld = 0xffff; 3262 SCTP_INP_RUNLOCK(inp); 3263 } else { 3264 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3265 error = EINVAL; 3266 } 3267 } 3268 if (error == 0) { 3269 *optsize = sizeof(struct sctp_paddrthlds); 3270 } 3271 break; 3272 } 3273 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3274 { 3275 struct sctp_udpencaps *encaps; 3276 struct sctp_nets *net; 3277 struct sockaddr *addr; 3278 #if defined(INET) && defined(INET6) 3279 struct sockaddr_in sin_store; 3280 #endif 3281 3282 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3283 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3284 3285 #if defined(INET) && defined(INET6) 3286 if (encaps->sue_address.ss_family == AF_INET6) { 3287 struct sockaddr_in6 *sin6; 3288 3289 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3290 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3291 in6_sin6_2_sin(&sin_store, sin6); 3292 addr = (struct sockaddr *)&sin_store; 3293 } else { 3294 addr = (struct sockaddr *)&encaps->sue_address; 3295 } 3296 } else { 3297 addr = (struct sockaddr *)&encaps->sue_address; 3298 } 3299 #else 3300 addr = (struct sockaddr *)&encaps->sue_address; 3301 #endif 3302 if (stcb) { 3303 net = sctp_findnet(stcb, addr); 3304 } else { 3305 /* 3306 * We increment here since 3307 * sctp_findassociation_ep_addr() wil do a 3308 * decrement if it finds the stcb as long as 3309 * the locked tcb (last argument) is NOT a 3310 * TCB.. aka NULL. 3311 */ 3312 net = NULL; 3313 SCTP_INP_INCR_REF(inp); 3314 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3315 if (stcb == NULL) { 3316 SCTP_INP_DECR_REF(inp); 3317 } 3318 } 3319 if ((stcb != NULL) && (net == NULL)) { 3320 #ifdef INET 3321 if (addr->sa_family == AF_INET) { 3322 struct sockaddr_in *sin; 3323 3324 sin = (struct sockaddr_in *)addr; 3325 if (sin->sin_addr.s_addr != INADDR_ANY) { 3326 error = EINVAL; 3327 SCTP_TCB_UNLOCK(stcb); 3328 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3329 break; 3330 } 3331 } else 3332 #endif 3333 #ifdef INET6 3334 if (addr->sa_family == AF_INET6) { 3335 struct sockaddr_in6 *sin6; 3336 3337 sin6 = (struct sockaddr_in6 *)addr; 3338 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3339 error = EINVAL; 3340 SCTP_TCB_UNLOCK(stcb); 3341 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3342 break; 3343 } 3344 } else 3345 #endif 3346 { 3347 error = EAFNOSUPPORT; 3348 SCTP_TCB_UNLOCK(stcb); 3349 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3350 break; 3351 } 3352 } 3353 3354 if (stcb != NULL) { 3355 if (net) { 3356 encaps->sue_port = net->port; 3357 } else { 3358 encaps->sue_port = stcb->asoc.port; 3359 } 3360 SCTP_TCB_UNLOCK(stcb); 3361 } else { 3362 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3363 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3364 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3365 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3366 SCTP_INP_RLOCK(inp); 3367 encaps->sue_port = inp->sctp_ep.port; 3368 SCTP_INP_RUNLOCK(inp); 3369 } else { 3370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3371 error = EINVAL; 3372 } 3373 } 3374 if (error == 0) { 3375 *optsize = sizeof(struct sctp_udpencaps); 3376 } 3377 break; 3378 } 3379 case SCTP_ECN_SUPPORTED: 3380 { 3381 struct sctp_assoc_value *av; 3382 3383 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3384 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3385 3386 if (stcb) { 3387 av->assoc_value = stcb->asoc.ecn_supported; 3388 SCTP_TCB_UNLOCK(stcb); 3389 } else { 3390 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3391 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3392 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3393 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3394 SCTP_INP_RLOCK(inp); 3395 av->assoc_value = inp->ecn_supported; 3396 SCTP_INP_RUNLOCK(inp); 3397 } else { 3398 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3399 error = EINVAL; 3400 } 3401 } 3402 if (error == 0) { 3403 *optsize = sizeof(struct sctp_assoc_value); 3404 } 3405 break; 3406 } 3407 case SCTP_PR_SUPPORTED: 3408 { 3409 struct sctp_assoc_value *av; 3410 3411 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3412 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3413 3414 if (stcb) { 3415 av->assoc_value = stcb->asoc.prsctp_supported; 3416 SCTP_TCB_UNLOCK(stcb); 3417 } else { 3418 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3419 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3420 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3421 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3422 SCTP_INP_RLOCK(inp); 3423 av->assoc_value = inp->prsctp_supported; 3424 SCTP_INP_RUNLOCK(inp); 3425 } else { 3426 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3427 error = EINVAL; 3428 } 3429 } 3430 if (error == 0) { 3431 *optsize = sizeof(struct sctp_assoc_value); 3432 } 3433 break; 3434 } 3435 case SCTP_AUTH_SUPPORTED: 3436 { 3437 struct sctp_assoc_value *av; 3438 3439 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3440 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3441 3442 if (stcb) { 3443 av->assoc_value = stcb->asoc.auth_supported; 3444 SCTP_TCB_UNLOCK(stcb); 3445 } else { 3446 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3447 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3448 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3449 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3450 SCTP_INP_RLOCK(inp); 3451 av->assoc_value = inp->auth_supported; 3452 SCTP_INP_RUNLOCK(inp); 3453 } else { 3454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3455 error = EINVAL; 3456 } 3457 } 3458 if (error == 0) { 3459 *optsize = sizeof(struct sctp_assoc_value); 3460 } 3461 break; 3462 } 3463 case SCTP_ASCONF_SUPPORTED: 3464 { 3465 struct sctp_assoc_value *av; 3466 3467 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3468 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3469 3470 if (stcb) { 3471 av->assoc_value = stcb->asoc.asconf_supported; 3472 SCTP_TCB_UNLOCK(stcb); 3473 } else { 3474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3475 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3476 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3477 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3478 SCTP_INP_RLOCK(inp); 3479 av->assoc_value = inp->asconf_supported; 3480 SCTP_INP_RUNLOCK(inp); 3481 } else { 3482 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3483 error = EINVAL; 3484 } 3485 } 3486 if (error == 0) { 3487 *optsize = sizeof(struct sctp_assoc_value); 3488 } 3489 break; 3490 } 3491 case SCTP_RECONFIG_SUPPORTED: 3492 { 3493 struct sctp_assoc_value *av; 3494 3495 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3496 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3497 3498 if (stcb) { 3499 av->assoc_value = stcb->asoc.reconfig_supported; 3500 SCTP_TCB_UNLOCK(stcb); 3501 } else { 3502 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3503 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3504 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3505 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3506 SCTP_INP_RLOCK(inp); 3507 av->assoc_value = inp->reconfig_supported; 3508 SCTP_INP_RUNLOCK(inp); 3509 } else { 3510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3511 error = EINVAL; 3512 } 3513 } 3514 if (error == 0) { 3515 *optsize = sizeof(struct sctp_assoc_value); 3516 } 3517 break; 3518 } 3519 case SCTP_NRSACK_SUPPORTED: 3520 { 3521 struct sctp_assoc_value *av; 3522 3523 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3524 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3525 3526 if (stcb) { 3527 av->assoc_value = stcb->asoc.nrsack_supported; 3528 SCTP_TCB_UNLOCK(stcb); 3529 } else { 3530 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3531 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3532 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3533 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3534 SCTP_INP_RLOCK(inp); 3535 av->assoc_value = inp->nrsack_supported; 3536 SCTP_INP_RUNLOCK(inp); 3537 } else { 3538 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3539 error = EINVAL; 3540 } 3541 } 3542 if (error == 0) { 3543 *optsize = sizeof(struct sctp_assoc_value); 3544 } 3545 break; 3546 } 3547 case SCTP_PKTDROP_SUPPORTED: 3548 { 3549 struct sctp_assoc_value *av; 3550 3551 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3552 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3553 3554 if (stcb) { 3555 av->assoc_value = stcb->asoc.pktdrop_supported; 3556 SCTP_TCB_UNLOCK(stcb); 3557 } else { 3558 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3559 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3560 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3561 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3562 SCTP_INP_RLOCK(inp); 3563 av->assoc_value = inp->pktdrop_supported; 3564 SCTP_INP_RUNLOCK(inp); 3565 } else { 3566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3567 error = EINVAL; 3568 } 3569 } 3570 if (error == 0) { 3571 *optsize = sizeof(struct sctp_assoc_value); 3572 } 3573 break; 3574 } 3575 case SCTP_ENABLE_STREAM_RESET: 3576 { 3577 struct sctp_assoc_value *av; 3578 3579 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3580 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3581 3582 if (stcb) { 3583 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3584 SCTP_TCB_UNLOCK(stcb); 3585 } else { 3586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3588 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3589 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3590 SCTP_INP_RLOCK(inp); 3591 av->assoc_value = (uint32_t)inp->local_strreset_support; 3592 SCTP_INP_RUNLOCK(inp); 3593 } else { 3594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3595 error = EINVAL; 3596 } 3597 } 3598 if (error == 0) { 3599 *optsize = sizeof(struct sctp_assoc_value); 3600 } 3601 break; 3602 } 3603 case SCTP_PR_STREAM_STATUS: 3604 { 3605 struct sctp_prstatus *sprstat; 3606 uint16_t sid; 3607 uint16_t policy; 3608 3609 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3610 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3611 3612 sid = sprstat->sprstat_sid; 3613 policy = sprstat->sprstat_policy; 3614 #if defined(SCTP_DETAILED_STR_STATS) 3615 if ((stcb != NULL) && 3616 (sid < stcb->asoc.streamoutcnt) && 3617 (policy != SCTP_PR_SCTP_NONE) && 3618 ((policy <= SCTP_PR_SCTP_MAX) || 3619 (policy == SCTP_PR_SCTP_ALL))) { 3620 if (policy == SCTP_PR_SCTP_ALL) { 3621 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3622 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3623 } else { 3624 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3625 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3626 } 3627 #else 3628 if ((stcb != NULL) && 3629 (sid < stcb->asoc.streamoutcnt) && 3630 (policy == SCTP_PR_SCTP_ALL)) { 3631 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3632 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3633 #endif 3634 } else { 3635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3636 error = EINVAL; 3637 } 3638 if (stcb != NULL) { 3639 SCTP_TCB_UNLOCK(stcb); 3640 } 3641 if (error == 0) { 3642 *optsize = sizeof(struct sctp_prstatus); 3643 } 3644 break; 3645 } 3646 case SCTP_PR_ASSOC_STATUS: 3647 { 3648 struct sctp_prstatus *sprstat; 3649 uint16_t policy; 3650 3651 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3652 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3653 3654 policy = sprstat->sprstat_policy; 3655 if ((stcb != NULL) && 3656 (policy != SCTP_PR_SCTP_NONE) && 3657 ((policy <= SCTP_PR_SCTP_MAX) || 3658 (policy == SCTP_PR_SCTP_ALL))) { 3659 if (policy == SCTP_PR_SCTP_ALL) { 3660 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3661 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3662 } else { 3663 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3664 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3665 } 3666 } else { 3667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3668 error = EINVAL; 3669 } 3670 if (stcb != NULL) { 3671 SCTP_TCB_UNLOCK(stcb); 3672 } 3673 if (error == 0) { 3674 *optsize = sizeof(struct sctp_prstatus); 3675 } 3676 break; 3677 } 3678 case SCTP_MAX_CWND: 3679 { 3680 struct sctp_assoc_value *av; 3681 3682 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3683 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3684 3685 if (stcb) { 3686 av->assoc_value = stcb->asoc.max_cwnd; 3687 SCTP_TCB_UNLOCK(stcb); 3688 } else { 3689 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3690 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3691 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3692 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3693 SCTP_INP_RLOCK(inp); 3694 av->assoc_value = inp->max_cwnd; 3695 SCTP_INP_RUNLOCK(inp); 3696 } else { 3697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3698 error = EINVAL; 3699 } 3700 } 3701 if (error == 0) { 3702 *optsize = sizeof(struct sctp_assoc_value); 3703 } 3704 break; 3705 } 3706 default: 3707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3708 error = ENOPROTOOPT; 3709 break; 3710 } /* end switch (sopt->sopt_name) */ 3711 if (error) { 3712 *optsize = 0; 3713 } 3714 return (error); 3715 } 3716 3717 static int 3718 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3719 void *p) 3720 { 3721 int error, set_opt; 3722 uint32_t *mopt; 3723 struct sctp_tcb *stcb = NULL; 3724 struct sctp_inpcb *inp = NULL; 3725 uint32_t vrf_id; 3726 3727 if (optval == NULL) { 3728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3729 return (EINVAL); 3730 } 3731 inp = (struct sctp_inpcb *)so->so_pcb; 3732 if (inp == NULL) { 3733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3734 return (EINVAL); 3735 } 3736 vrf_id = inp->def_vrf_id; 3737 3738 error = 0; 3739 switch (optname) { 3740 case SCTP_NODELAY: 3741 case SCTP_AUTOCLOSE: 3742 case SCTP_AUTO_ASCONF: 3743 case SCTP_EXPLICIT_EOR: 3744 case SCTP_DISABLE_FRAGMENTS: 3745 case SCTP_USE_EXT_RCVINFO: 3746 case SCTP_I_WANT_MAPPED_V4_ADDR: 3747 /* copy in the option value */ 3748 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3749 set_opt = 0; 3750 if (error) 3751 break; 3752 switch (optname) { 3753 case SCTP_DISABLE_FRAGMENTS: 3754 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3755 break; 3756 case SCTP_AUTO_ASCONF: 3757 /* 3758 * NOTE: we don't really support this flag 3759 */ 3760 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3761 /* only valid for bound all sockets */ 3762 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3763 (*mopt != 0)) { 3764 /* forbidden by admin */ 3765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3766 return (EPERM); 3767 } 3768 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3769 } else { 3770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3771 return (EINVAL); 3772 } 3773 break; 3774 case SCTP_EXPLICIT_EOR: 3775 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3776 break; 3777 case SCTP_USE_EXT_RCVINFO: 3778 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3779 break; 3780 case SCTP_I_WANT_MAPPED_V4_ADDR: 3781 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3782 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3783 } else { 3784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3785 return (EINVAL); 3786 } 3787 break; 3788 case SCTP_NODELAY: 3789 set_opt = SCTP_PCB_FLAGS_NODELAY; 3790 break; 3791 case SCTP_AUTOCLOSE: 3792 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3793 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3795 return (EINVAL); 3796 } 3797 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3798 /* 3799 * The value is in ticks. Note this does not effect 3800 * old associations, only new ones. 3801 */ 3802 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3803 break; 3804 } 3805 SCTP_INP_WLOCK(inp); 3806 if (*mopt != 0) { 3807 sctp_feature_on(inp, set_opt); 3808 } else { 3809 sctp_feature_off(inp, set_opt); 3810 } 3811 SCTP_INP_WUNLOCK(inp); 3812 break; 3813 case SCTP_REUSE_PORT: 3814 { 3815 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3816 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3817 /* Can't set it after we are bound */ 3818 error = EINVAL; 3819 break; 3820 } 3821 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3822 /* Can't do this for a 1-m socket */ 3823 error = EINVAL; 3824 break; 3825 } 3826 if (optval) 3827 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3828 else 3829 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3830 break; 3831 } 3832 case SCTP_PARTIAL_DELIVERY_POINT: 3833 { 3834 uint32_t *value; 3835 3836 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3837 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3838 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3839 error = EINVAL; 3840 break; 3841 } 3842 inp->partial_delivery_point = *value; 3843 break; 3844 } 3845 case SCTP_FRAGMENT_INTERLEAVE: 3846 /* not yet until we re-write sctp_recvmsg() */ 3847 { 3848 uint32_t *level; 3849 3850 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3851 if (*level == SCTP_FRAG_LEVEL_2) { 3852 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3853 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3854 } else if (*level == SCTP_FRAG_LEVEL_1) { 3855 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3856 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3857 } else if (*level == SCTP_FRAG_LEVEL_0) { 3858 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3859 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3860 3861 } else { 3862 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3863 error = EINVAL; 3864 } 3865 break; 3866 } 3867 case SCTP_INTERLEAVING_SUPPORTED: 3868 { 3869 struct sctp_assoc_value *av; 3870 3871 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3872 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3873 3874 if (stcb) { 3875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3876 error = EINVAL; 3877 SCTP_TCB_UNLOCK(stcb); 3878 } else { 3879 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3880 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3881 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3882 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3883 SCTP_INP_WLOCK(inp); 3884 if (av->assoc_value == 0) { 3885 inp->idata_supported = 0; 3886 } else { 3887 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3888 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3889 inp->idata_supported = 1; 3890 } else { 3891 /* 3892 * Must have Frag 3893 * interleave and 3894 * stream interleave 3895 * on 3896 */ 3897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3898 error = EINVAL; 3899 } 3900 } 3901 SCTP_INP_WUNLOCK(inp); 3902 } else { 3903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3904 error = EINVAL; 3905 } 3906 } 3907 break; 3908 } 3909 case SCTP_CMT_ON_OFF: 3910 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3911 struct sctp_assoc_value *av; 3912 3913 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3914 if (av->assoc_value > SCTP_CMT_MAX) { 3915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3916 error = EINVAL; 3917 break; 3918 } 3919 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3920 if (stcb) { 3921 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3922 SCTP_TCB_UNLOCK(stcb); 3923 } else { 3924 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3925 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3926 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3927 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3928 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3929 SCTP_INP_WLOCK(inp); 3930 inp->sctp_cmt_on_off = av->assoc_value; 3931 SCTP_INP_WUNLOCK(inp); 3932 } 3933 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3934 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3935 (av->assoc_id == SCTP_ALL_ASSOC))) { 3936 SCTP_INP_RLOCK(inp); 3937 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3938 SCTP_TCB_LOCK(stcb); 3939 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3940 SCTP_TCB_UNLOCK(stcb); 3941 } 3942 SCTP_INP_RUNLOCK(inp); 3943 } 3944 } 3945 } else { 3946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3947 error = ENOPROTOOPT; 3948 } 3949 break; 3950 case SCTP_PLUGGABLE_CC: 3951 { 3952 struct sctp_assoc_value *av; 3953 struct sctp_nets *net; 3954 3955 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3956 if ((av->assoc_value != SCTP_CC_RFC2581) && 3957 (av->assoc_value != SCTP_CC_HSTCP) && 3958 (av->assoc_value != SCTP_CC_HTCP) && 3959 (av->assoc_value != SCTP_CC_RTCC)) { 3960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3961 error = EINVAL; 3962 break; 3963 } 3964 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3965 if (stcb) { 3966 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3967 stcb->asoc.congestion_control_module = av->assoc_value; 3968 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3969 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3970 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3971 } 3972 } 3973 SCTP_TCB_UNLOCK(stcb); 3974 } else { 3975 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3976 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3977 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3978 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3979 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3980 SCTP_INP_WLOCK(inp); 3981 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3982 SCTP_INP_WUNLOCK(inp); 3983 } 3984 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3985 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3986 (av->assoc_id == SCTP_ALL_ASSOC))) { 3987 SCTP_INP_RLOCK(inp); 3988 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3989 SCTP_TCB_LOCK(stcb); 3990 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3991 stcb->asoc.congestion_control_module = av->assoc_value; 3992 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3993 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3994 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3995 } 3996 } 3997 SCTP_TCB_UNLOCK(stcb); 3998 } 3999 SCTP_INP_RUNLOCK(inp); 4000 } 4001 } 4002 break; 4003 } 4004 case SCTP_CC_OPTION: 4005 { 4006 struct sctp_cc_option *cc_opt; 4007 4008 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4009 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4010 if (stcb == NULL) { 4011 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4012 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4013 SCTP_INP_RLOCK(inp); 4014 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4015 SCTP_TCB_LOCK(stcb); 4016 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4017 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4018 } 4019 SCTP_TCB_UNLOCK(stcb); 4020 } 4021 SCTP_INP_RUNLOCK(inp); 4022 } else { 4023 error = EINVAL; 4024 } 4025 } else { 4026 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4027 error = ENOTSUP; 4028 } else { 4029 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4030 cc_opt); 4031 } 4032 SCTP_TCB_UNLOCK(stcb); 4033 } 4034 break; 4035 } 4036 case SCTP_PLUGGABLE_SS: 4037 { 4038 struct sctp_assoc_value *av; 4039 4040 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4041 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4042 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4043 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4044 (av->assoc_value != SCTP_SS_PRIORITY) && 4045 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4046 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4048 error = EINVAL; 4049 break; 4050 } 4051 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4052 if (stcb) { 4053 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4054 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4055 stcb->asoc.stream_scheduling_module = av->assoc_value; 4056 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4057 SCTP_TCB_UNLOCK(stcb); 4058 } else { 4059 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4060 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4061 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4062 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4063 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4064 SCTP_INP_WLOCK(inp); 4065 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4066 SCTP_INP_WUNLOCK(inp); 4067 } 4068 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4069 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4070 (av->assoc_id == SCTP_ALL_ASSOC))) { 4071 SCTP_INP_RLOCK(inp); 4072 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4073 SCTP_TCB_LOCK(stcb); 4074 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4075 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4076 stcb->asoc.stream_scheduling_module = av->assoc_value; 4077 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4078 SCTP_TCB_UNLOCK(stcb); 4079 } 4080 SCTP_INP_RUNLOCK(inp); 4081 } 4082 } 4083 break; 4084 } 4085 case SCTP_SS_VALUE: 4086 { 4087 struct sctp_stream_value *av; 4088 4089 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4090 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4091 if (stcb) { 4092 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4093 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4094 av->stream_value) < 0)) { 4095 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4096 error = EINVAL; 4097 } 4098 SCTP_TCB_UNLOCK(stcb); 4099 } else { 4100 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4101 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4102 SCTP_INP_RLOCK(inp); 4103 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4104 SCTP_TCB_LOCK(stcb); 4105 if (av->stream_id < stcb->asoc.streamoutcnt) { 4106 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4107 &stcb->asoc, 4108 &stcb->asoc.strmout[av->stream_id], 4109 av->stream_value); 4110 } 4111 SCTP_TCB_UNLOCK(stcb); 4112 } 4113 SCTP_INP_RUNLOCK(inp); 4114 } else { 4115 /* 4116 * Can't set stream value without 4117 * association 4118 */ 4119 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4120 error = EINVAL; 4121 } 4122 } 4123 break; 4124 } 4125 case SCTP_CLR_STAT_LOG: 4126 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4127 error = EOPNOTSUPP; 4128 break; 4129 case SCTP_CONTEXT: 4130 { 4131 struct sctp_assoc_value *av; 4132 4133 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4134 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4135 4136 if (stcb) { 4137 stcb->asoc.context = av->assoc_value; 4138 SCTP_TCB_UNLOCK(stcb); 4139 } else { 4140 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4141 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4142 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4143 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4144 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4145 SCTP_INP_WLOCK(inp); 4146 inp->sctp_context = av->assoc_value; 4147 SCTP_INP_WUNLOCK(inp); 4148 } 4149 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4150 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4151 (av->assoc_id == SCTP_ALL_ASSOC))) { 4152 SCTP_INP_RLOCK(inp); 4153 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4154 SCTP_TCB_LOCK(stcb); 4155 stcb->asoc.context = av->assoc_value; 4156 SCTP_TCB_UNLOCK(stcb); 4157 } 4158 SCTP_INP_RUNLOCK(inp); 4159 } 4160 } 4161 break; 4162 } 4163 case SCTP_VRF_ID: 4164 { 4165 uint32_t *default_vrfid; 4166 4167 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4168 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4169 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4170 error = EINVAL; 4171 break; 4172 } 4173 inp->def_vrf_id = *default_vrfid; 4174 break; 4175 } 4176 case SCTP_DEL_VRF_ID: 4177 { 4178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4179 error = EOPNOTSUPP; 4180 break; 4181 } 4182 case SCTP_ADD_VRF_ID: 4183 { 4184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4185 error = EOPNOTSUPP; 4186 break; 4187 } 4188 case SCTP_DELAYED_SACK: 4189 { 4190 struct sctp_sack_info *sack; 4191 4192 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4193 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4194 if (sack->sack_delay) { 4195 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4196 error = EINVAL; 4197 if (stcb != NULL) { 4198 SCTP_TCB_UNLOCK(stcb); 4199 } 4200 break; 4201 } 4202 } 4203 if (stcb) { 4204 if (sack->sack_delay) { 4205 stcb->asoc.delayed_ack = sack->sack_delay; 4206 } 4207 if (sack->sack_freq) { 4208 stcb->asoc.sack_freq = sack->sack_freq; 4209 } 4210 SCTP_TCB_UNLOCK(stcb); 4211 } else { 4212 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4213 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4214 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4215 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4216 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4217 SCTP_INP_WLOCK(inp); 4218 if (sack->sack_delay) { 4219 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4220 } 4221 if (sack->sack_freq) { 4222 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4223 } 4224 SCTP_INP_WUNLOCK(inp); 4225 } 4226 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4227 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4228 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4229 SCTP_INP_RLOCK(inp); 4230 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4231 SCTP_TCB_LOCK(stcb); 4232 if (sack->sack_delay) { 4233 stcb->asoc.delayed_ack = sack->sack_delay; 4234 } 4235 if (sack->sack_freq) { 4236 stcb->asoc.sack_freq = sack->sack_freq; 4237 } 4238 SCTP_TCB_UNLOCK(stcb); 4239 } 4240 SCTP_INP_RUNLOCK(inp); 4241 } 4242 } 4243 break; 4244 } 4245 case SCTP_AUTH_CHUNK: 4246 { 4247 struct sctp_authchunk *sauth; 4248 4249 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4250 4251 SCTP_INP_WLOCK(inp); 4252 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4254 error = EINVAL; 4255 } else { 4256 inp->auth_supported = 1; 4257 } 4258 SCTP_INP_WUNLOCK(inp); 4259 break; 4260 } 4261 case SCTP_AUTH_KEY: 4262 { 4263 struct sctp_authkey *sca; 4264 struct sctp_keyhead *shared_keys; 4265 sctp_sharedkey_t *shared_key; 4266 sctp_key_t *key = NULL; 4267 size_t size; 4268 4269 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4270 if (sca->sca_keylength == 0) { 4271 size = optsize - sizeof(struct sctp_authkey); 4272 } else { 4273 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4274 size = sca->sca_keylength; 4275 } else { 4276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4277 error = EINVAL; 4278 break; 4279 } 4280 } 4281 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4282 4283 if (stcb) { 4284 shared_keys = &stcb->asoc.shared_keys; 4285 /* clear the cached keys for this key id */ 4286 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4287 /* 4288 * create the new shared key and 4289 * insert/replace it 4290 */ 4291 if (size > 0) { 4292 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4293 if (key == NULL) { 4294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4295 error = ENOMEM; 4296 SCTP_TCB_UNLOCK(stcb); 4297 break; 4298 } 4299 } 4300 shared_key = sctp_alloc_sharedkey(); 4301 if (shared_key == NULL) { 4302 sctp_free_key(key); 4303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4304 error = ENOMEM; 4305 SCTP_TCB_UNLOCK(stcb); 4306 break; 4307 } 4308 shared_key->key = key; 4309 shared_key->keyid = sca->sca_keynumber; 4310 error = sctp_insert_sharedkey(shared_keys, shared_key); 4311 SCTP_TCB_UNLOCK(stcb); 4312 } else { 4313 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4314 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4315 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4316 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4317 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4318 SCTP_INP_WLOCK(inp); 4319 shared_keys = &inp->sctp_ep.shared_keys; 4320 /* 4321 * clear the cached keys on all 4322 * assocs for this key id 4323 */ 4324 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4325 /* 4326 * create the new shared key and 4327 * insert/replace it 4328 */ 4329 if (size > 0) { 4330 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4331 if (key == NULL) { 4332 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4333 error = ENOMEM; 4334 SCTP_INP_WUNLOCK(inp); 4335 break; 4336 } 4337 } 4338 shared_key = sctp_alloc_sharedkey(); 4339 if (shared_key == NULL) { 4340 sctp_free_key(key); 4341 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4342 error = ENOMEM; 4343 SCTP_INP_WUNLOCK(inp); 4344 break; 4345 } 4346 shared_key->key = key; 4347 shared_key->keyid = sca->sca_keynumber; 4348 error = sctp_insert_sharedkey(shared_keys, shared_key); 4349 SCTP_INP_WUNLOCK(inp); 4350 } 4351 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4352 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4353 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4354 SCTP_INP_RLOCK(inp); 4355 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4356 SCTP_TCB_LOCK(stcb); 4357 shared_keys = &stcb->asoc.shared_keys; 4358 /* 4359 * clear the cached keys for 4360 * this key id 4361 */ 4362 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4363 /* 4364 * create the new shared key 4365 * and insert/replace it 4366 */ 4367 if (size > 0) { 4368 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4369 if (key == NULL) { 4370 SCTP_TCB_UNLOCK(stcb); 4371 continue; 4372 } 4373 } 4374 shared_key = sctp_alloc_sharedkey(); 4375 if (shared_key == NULL) { 4376 sctp_free_key(key); 4377 SCTP_TCB_UNLOCK(stcb); 4378 continue; 4379 } 4380 shared_key->key = key; 4381 shared_key->keyid = sca->sca_keynumber; 4382 error = sctp_insert_sharedkey(shared_keys, shared_key); 4383 SCTP_TCB_UNLOCK(stcb); 4384 } 4385 SCTP_INP_RUNLOCK(inp); 4386 } 4387 } 4388 break; 4389 } 4390 case SCTP_HMAC_IDENT: 4391 { 4392 struct sctp_hmacalgo *shmac; 4393 sctp_hmaclist_t *hmaclist; 4394 uint16_t hmacid; 4395 uint32_t i; 4396 4397 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4398 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4399 (shmac->shmac_number_of_idents > 0xffff)) { 4400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4401 error = EINVAL; 4402 break; 4403 } 4404 4405 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4406 if (hmaclist == NULL) { 4407 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4408 error = ENOMEM; 4409 break; 4410 } 4411 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4412 hmacid = shmac->shmac_idents[i]; 4413 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4414 /* invalid HMACs were found */ ; 4415 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4416 error = EINVAL; 4417 sctp_free_hmaclist(hmaclist); 4418 goto sctp_set_hmac_done; 4419 } 4420 } 4421 for (i = 0; i < hmaclist->num_algo; i++) { 4422 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4423 /* already in list */ 4424 break; 4425 } 4426 } 4427 if (i == hmaclist->num_algo) { 4428 /* not found in list */ 4429 sctp_free_hmaclist(hmaclist); 4430 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4431 error = EINVAL; 4432 break; 4433 } 4434 /* set it on the endpoint */ 4435 SCTP_INP_WLOCK(inp); 4436 if (inp->sctp_ep.local_hmacs) 4437 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4438 inp->sctp_ep.local_hmacs = hmaclist; 4439 SCTP_INP_WUNLOCK(inp); 4440 sctp_set_hmac_done: 4441 break; 4442 } 4443 case SCTP_AUTH_ACTIVE_KEY: 4444 { 4445 struct sctp_authkeyid *scact; 4446 4447 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4448 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4449 4450 /* set the active key on the right place */ 4451 if (stcb) { 4452 /* set the active key on the assoc */ 4453 if (sctp_auth_setactivekey(stcb, 4454 scact->scact_keynumber)) { 4455 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4456 SCTP_FROM_SCTP_USRREQ, 4457 EINVAL); 4458 error = EINVAL; 4459 } 4460 SCTP_TCB_UNLOCK(stcb); 4461 } else { 4462 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4463 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4464 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4465 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4466 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4467 SCTP_INP_WLOCK(inp); 4468 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4469 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4470 error = EINVAL; 4471 } 4472 SCTP_INP_WUNLOCK(inp); 4473 } 4474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4475 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4476 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4477 SCTP_INP_RLOCK(inp); 4478 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4479 SCTP_TCB_LOCK(stcb); 4480 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4481 SCTP_TCB_UNLOCK(stcb); 4482 } 4483 SCTP_INP_RUNLOCK(inp); 4484 } 4485 } 4486 break; 4487 } 4488 case SCTP_AUTH_DELETE_KEY: 4489 { 4490 struct sctp_authkeyid *scdel; 4491 4492 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4493 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4494 4495 /* delete the key from the right place */ 4496 if (stcb) { 4497 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4499 error = EINVAL; 4500 } 4501 SCTP_TCB_UNLOCK(stcb); 4502 } else { 4503 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4504 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4505 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4506 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4507 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4508 SCTP_INP_WLOCK(inp); 4509 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4511 error = EINVAL; 4512 } 4513 SCTP_INP_WUNLOCK(inp); 4514 } 4515 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4516 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4517 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4518 SCTP_INP_RLOCK(inp); 4519 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4520 SCTP_TCB_LOCK(stcb); 4521 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4522 SCTP_TCB_UNLOCK(stcb); 4523 } 4524 SCTP_INP_RUNLOCK(inp); 4525 } 4526 } 4527 break; 4528 } 4529 case SCTP_AUTH_DEACTIVATE_KEY: 4530 { 4531 struct sctp_authkeyid *keyid; 4532 4533 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4534 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4535 4536 /* deactivate the key from the right place */ 4537 if (stcb) { 4538 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4540 error = EINVAL; 4541 } 4542 SCTP_TCB_UNLOCK(stcb); 4543 } else { 4544 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4545 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4546 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4547 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4548 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4549 SCTP_INP_WLOCK(inp); 4550 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4552 error = EINVAL; 4553 } 4554 SCTP_INP_WUNLOCK(inp); 4555 } 4556 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4557 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4558 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4559 SCTP_INP_RLOCK(inp); 4560 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4561 SCTP_TCB_LOCK(stcb); 4562 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4563 SCTP_TCB_UNLOCK(stcb); 4564 } 4565 SCTP_INP_RUNLOCK(inp); 4566 } 4567 } 4568 break; 4569 } 4570 case SCTP_ENABLE_STREAM_RESET: 4571 { 4572 struct sctp_assoc_value *av; 4573 4574 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4575 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4577 error = EINVAL; 4578 break; 4579 } 4580 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4581 if (stcb) { 4582 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4583 SCTP_TCB_UNLOCK(stcb); 4584 } else { 4585 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4586 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4587 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4588 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4589 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4590 SCTP_INP_WLOCK(inp); 4591 inp->local_strreset_support = (uint8_t)av->assoc_value; 4592 SCTP_INP_WUNLOCK(inp); 4593 } 4594 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4595 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4596 (av->assoc_id == SCTP_ALL_ASSOC))) { 4597 SCTP_INP_RLOCK(inp); 4598 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4599 SCTP_TCB_LOCK(stcb); 4600 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4601 SCTP_TCB_UNLOCK(stcb); 4602 } 4603 SCTP_INP_RUNLOCK(inp); 4604 } 4605 } 4606 break; 4607 } 4608 case SCTP_RESET_STREAMS: 4609 { 4610 struct sctp_reset_streams *strrst; 4611 int i, send_out = 0; 4612 int send_in = 0; 4613 4614 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4615 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4616 if (stcb == NULL) { 4617 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4618 error = ENOENT; 4619 break; 4620 } 4621 if (stcb->asoc.reconfig_supported == 0) { 4622 /* 4623 * Peer does not support the chunk type. 4624 */ 4625 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4626 error = EOPNOTSUPP; 4627 SCTP_TCB_UNLOCK(stcb); 4628 break; 4629 } 4630 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4631 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4632 error = EINVAL; 4633 SCTP_TCB_UNLOCK(stcb); 4634 break; 4635 } 4636 if (sizeof(struct sctp_reset_streams) + 4637 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4638 error = EINVAL; 4639 SCTP_TCB_UNLOCK(stcb); 4640 break; 4641 } 4642 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4643 send_in = 1; 4644 if (stcb->asoc.stream_reset_outstanding) { 4645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4646 error = EALREADY; 4647 SCTP_TCB_UNLOCK(stcb); 4648 break; 4649 } 4650 } 4651 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4652 send_out = 1; 4653 } 4654 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4655 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4656 error = ENOMEM; 4657 SCTP_TCB_UNLOCK(stcb); 4658 break; 4659 } 4660 if ((send_in == 0) && (send_out == 0)) { 4661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4662 error = EINVAL; 4663 SCTP_TCB_UNLOCK(stcb); 4664 break; 4665 } 4666 for (i = 0; i < strrst->srs_number_streams; i++) { 4667 if ((send_in) && 4668 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4670 error = EINVAL; 4671 break; 4672 } 4673 if ((send_out) && 4674 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4676 error = EINVAL; 4677 break; 4678 } 4679 } 4680 if (error) { 4681 SCTP_TCB_UNLOCK(stcb); 4682 break; 4683 } 4684 if (send_out) { 4685 int cnt; 4686 uint16_t strm; 4687 4688 if (strrst->srs_number_streams) { 4689 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4690 strm = strrst->srs_stream_list[i]; 4691 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4692 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4693 cnt++; 4694 } 4695 } 4696 } else { 4697 /* Its all */ 4698 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4699 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4700 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4701 cnt++; 4702 } 4703 } 4704 } 4705 } 4706 if (send_in) { 4707 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4708 strrst->srs_stream_list, 4709 send_in, 0, 0, 0, 0, 0); 4710 } else { 4711 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4712 } 4713 if (error == 0) { 4714 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4715 } else { 4716 /* 4717 * For outgoing streams don't report any 4718 * problems in sending the request to the 4719 * application. XXX: Double check resetting 4720 * incoming streams. 4721 */ 4722 error = 0; 4723 } 4724 SCTP_TCB_UNLOCK(stcb); 4725 break; 4726 } 4727 case SCTP_ADD_STREAMS: 4728 { 4729 struct sctp_add_streams *stradd; 4730 uint8_t addstream = 0; 4731 uint16_t add_o_strmcnt = 0; 4732 uint16_t add_i_strmcnt = 0; 4733 4734 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4735 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4736 if (stcb == NULL) { 4737 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4738 error = ENOENT; 4739 break; 4740 } 4741 if (stcb->asoc.reconfig_supported == 0) { 4742 /* 4743 * Peer does not support the chunk type. 4744 */ 4745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4746 error = EOPNOTSUPP; 4747 SCTP_TCB_UNLOCK(stcb); 4748 break; 4749 } 4750 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4752 error = EINVAL; 4753 SCTP_TCB_UNLOCK(stcb); 4754 break; 4755 } 4756 if (stcb->asoc.stream_reset_outstanding) { 4757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4758 error = EALREADY; 4759 SCTP_TCB_UNLOCK(stcb); 4760 break; 4761 } 4762 if ((stradd->sas_outstrms == 0) && 4763 (stradd->sas_instrms == 0)) { 4764 error = EINVAL; 4765 goto skip_stuff; 4766 } 4767 if (stradd->sas_outstrms) { 4768 addstream = 1; 4769 /* We allocate here */ 4770 add_o_strmcnt = stradd->sas_outstrms; 4771 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4772 /* You can't have more than 64k */ 4773 error = EINVAL; 4774 goto skip_stuff; 4775 } 4776 } 4777 if (stradd->sas_instrms) { 4778 int cnt; 4779 4780 addstream |= 2; 4781 /* 4782 * We allocate inside 4783 * sctp_send_str_reset_req() 4784 */ 4785 add_i_strmcnt = stradd->sas_instrms; 4786 cnt = add_i_strmcnt; 4787 cnt += stcb->asoc.streamincnt; 4788 if (cnt > 0x0000ffff) { 4789 /* You can't have more than 64k */ 4790 error = EINVAL; 4791 goto skip_stuff; 4792 } 4793 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4794 /* More than you are allowed */ 4795 error = EINVAL; 4796 goto skip_stuff; 4797 } 4798 } 4799 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4800 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4801 skip_stuff: 4802 SCTP_TCB_UNLOCK(stcb); 4803 break; 4804 } 4805 case SCTP_RESET_ASSOC: 4806 { 4807 int i; 4808 uint32_t *value; 4809 4810 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4811 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4812 if (stcb == NULL) { 4813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4814 error = ENOENT; 4815 break; 4816 } 4817 if (stcb->asoc.reconfig_supported == 0) { 4818 /* 4819 * Peer does not support the chunk type. 4820 */ 4821 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4822 error = EOPNOTSUPP; 4823 SCTP_TCB_UNLOCK(stcb); 4824 break; 4825 } 4826 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4827 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4828 error = EINVAL; 4829 SCTP_TCB_UNLOCK(stcb); 4830 break; 4831 } 4832 if (stcb->asoc.stream_reset_outstanding) { 4833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4834 error = EALREADY; 4835 SCTP_TCB_UNLOCK(stcb); 4836 break; 4837 } 4838 /* 4839 * Is there any data pending in the send or sent 4840 * queues? 4841 */ 4842 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4843 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4844 busy_out: 4845 error = EBUSY; 4846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4847 SCTP_TCB_UNLOCK(stcb); 4848 break; 4849 } 4850 /* Do any streams have data queued? */ 4851 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4852 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4853 goto busy_out; 4854 } 4855 } 4856 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4857 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4858 SCTP_TCB_UNLOCK(stcb); 4859 break; 4860 } 4861 case SCTP_CONNECT_X: 4862 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4864 error = EINVAL; 4865 break; 4866 } 4867 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4868 break; 4869 case SCTP_CONNECT_X_DELAYED: 4870 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4872 error = EINVAL; 4873 break; 4874 } 4875 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4876 break; 4877 case SCTP_CONNECT_X_COMPLETE: 4878 { 4879 struct sockaddr *sa; 4880 4881 /* FIXME MT: check correct? */ 4882 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4883 4884 /* find tcb */ 4885 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4886 SCTP_INP_RLOCK(inp); 4887 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4888 if (stcb) { 4889 SCTP_TCB_LOCK(stcb); 4890 } 4891 SCTP_INP_RUNLOCK(inp); 4892 } else { 4893 /* 4894 * We increment here since 4895 * sctp_findassociation_ep_addr() wil do a 4896 * decrement if it finds the stcb as long as 4897 * the locked tcb (last argument) is NOT a 4898 * TCB.. aka NULL. 4899 */ 4900 SCTP_INP_INCR_REF(inp); 4901 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4902 if (stcb == NULL) { 4903 SCTP_INP_DECR_REF(inp); 4904 } 4905 } 4906 4907 if (stcb == NULL) { 4908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4909 error = ENOENT; 4910 break; 4911 } 4912 if (stcb->asoc.delayed_connection == 1) { 4913 stcb->asoc.delayed_connection = 0; 4914 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4915 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4916 stcb->asoc.primary_destination, 4917 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4918 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4919 } else { 4920 /* 4921 * already expired or did not use delayed 4922 * connectx 4923 */ 4924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4925 error = EALREADY; 4926 } 4927 SCTP_TCB_UNLOCK(stcb); 4928 break; 4929 } 4930 case SCTP_MAX_BURST: 4931 { 4932 struct sctp_assoc_value *av; 4933 4934 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4935 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4936 4937 if (stcb) { 4938 stcb->asoc.max_burst = av->assoc_value; 4939 SCTP_TCB_UNLOCK(stcb); 4940 } else { 4941 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4942 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4943 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4944 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4945 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4946 SCTP_INP_WLOCK(inp); 4947 inp->sctp_ep.max_burst = av->assoc_value; 4948 SCTP_INP_WUNLOCK(inp); 4949 } 4950 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4951 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4952 (av->assoc_id == SCTP_ALL_ASSOC))) { 4953 SCTP_INP_RLOCK(inp); 4954 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4955 SCTP_TCB_LOCK(stcb); 4956 stcb->asoc.max_burst = av->assoc_value; 4957 SCTP_TCB_UNLOCK(stcb); 4958 } 4959 SCTP_INP_RUNLOCK(inp); 4960 } 4961 } 4962 break; 4963 } 4964 case SCTP_MAXSEG: 4965 { 4966 struct sctp_assoc_value *av; 4967 4968 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4969 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4970 4971 if (stcb) { 4972 stcb->asoc.sctp_frag_point = av->assoc_value; 4973 SCTP_TCB_UNLOCK(stcb); 4974 } else { 4975 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4976 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4977 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4978 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 4979 SCTP_INP_WLOCK(inp); 4980 inp->sctp_frag_point = av->assoc_value; 4981 SCTP_INP_WUNLOCK(inp); 4982 } else { 4983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4984 error = EINVAL; 4985 } 4986 } 4987 break; 4988 } 4989 case SCTP_EVENTS: 4990 { 4991 struct sctp_event_subscribe *events; 4992 4993 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4994 4995 SCTP_INP_WLOCK(inp); 4996 if (events->sctp_data_io_event) { 4997 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4998 } else { 4999 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5000 } 5001 5002 if (events->sctp_association_event) { 5003 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5004 } else { 5005 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5006 } 5007 5008 if (events->sctp_address_event) { 5009 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5010 } else { 5011 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5012 } 5013 5014 if (events->sctp_send_failure_event) { 5015 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5016 } else { 5017 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5018 } 5019 5020 if (events->sctp_peer_error_event) { 5021 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5022 } else { 5023 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5024 } 5025 5026 if (events->sctp_shutdown_event) { 5027 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5028 } else { 5029 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5030 } 5031 5032 if (events->sctp_partial_delivery_event) { 5033 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5034 } else { 5035 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5036 } 5037 5038 if (events->sctp_adaptation_layer_event) { 5039 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5040 } else { 5041 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5042 } 5043 5044 if (events->sctp_authentication_event) { 5045 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5046 } else { 5047 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5048 } 5049 5050 if (events->sctp_sender_dry_event) { 5051 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5052 } else { 5053 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5054 } 5055 5056 if (events->sctp_stream_reset_event) { 5057 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5058 } else { 5059 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5060 } 5061 5062 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5063 SCTP_TCB_LOCK(stcb); 5064 if (events->sctp_association_event) { 5065 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5066 } else { 5067 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5068 } 5069 if (events->sctp_address_event) { 5070 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5071 } else { 5072 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5073 } 5074 if (events->sctp_send_failure_event) { 5075 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5076 } else { 5077 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5078 } 5079 if (events->sctp_peer_error_event) { 5080 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5081 } else { 5082 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5083 } 5084 if (events->sctp_shutdown_event) { 5085 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5086 } else { 5087 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5088 } 5089 if (events->sctp_partial_delivery_event) { 5090 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5091 } else { 5092 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5093 } 5094 if (events->sctp_adaptation_layer_event) { 5095 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5096 } else { 5097 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5098 } 5099 if (events->sctp_authentication_event) { 5100 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5101 } else { 5102 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5103 } 5104 if (events->sctp_sender_dry_event) { 5105 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5106 } else { 5107 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5108 } 5109 if (events->sctp_stream_reset_event) { 5110 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5111 } else { 5112 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5113 } 5114 SCTP_TCB_UNLOCK(stcb); 5115 } 5116 /* 5117 * Send up the sender dry event only for 1-to-1 5118 * style sockets. 5119 */ 5120 if (events->sctp_sender_dry_event) { 5121 if (((inp->sctp_flags & (SCTP_PCB_FLAGS_TCPTYPE | SCTP_PCB_FLAGS_IN_TCPPOOL)) != 0) && 5122 !SCTP_IS_LISTENING(inp)) { 5123 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5124 if (stcb != NULL) { 5125 SCTP_TCB_LOCK(stcb); 5126 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5127 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5128 (stcb->asoc.stream_queue_cnt == 0)) { 5129 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5130 } 5131 SCTP_TCB_UNLOCK(stcb); 5132 } 5133 } 5134 } 5135 SCTP_INP_WUNLOCK(inp); 5136 break; 5137 } 5138 case SCTP_ADAPTATION_LAYER: 5139 { 5140 struct sctp_setadaptation *adap_bits; 5141 5142 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5143 SCTP_INP_WLOCK(inp); 5144 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5145 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5146 SCTP_INP_WUNLOCK(inp); 5147 break; 5148 } 5149 #ifdef SCTP_DEBUG 5150 case SCTP_SET_INITIAL_DBG_SEQ: 5151 { 5152 uint32_t *vvv; 5153 5154 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5155 SCTP_INP_WLOCK(inp); 5156 inp->sctp_ep.initial_sequence_debug = *vvv; 5157 SCTP_INP_WUNLOCK(inp); 5158 break; 5159 } 5160 #endif 5161 case SCTP_DEFAULT_SEND_PARAM: 5162 { 5163 struct sctp_sndrcvinfo *s_info; 5164 5165 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5166 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5167 5168 if (stcb) { 5169 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5170 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5171 } else { 5172 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5173 error = EINVAL; 5174 } 5175 SCTP_TCB_UNLOCK(stcb); 5176 } else { 5177 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5178 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5179 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5180 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5181 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5182 SCTP_INP_WLOCK(inp); 5183 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5184 SCTP_INP_WUNLOCK(inp); 5185 } 5186 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5187 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5188 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5189 SCTP_INP_RLOCK(inp); 5190 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5191 SCTP_TCB_LOCK(stcb); 5192 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5193 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5194 } 5195 SCTP_TCB_UNLOCK(stcb); 5196 } 5197 SCTP_INP_RUNLOCK(inp); 5198 } 5199 } 5200 break; 5201 } 5202 case SCTP_PEER_ADDR_PARAMS: 5203 { 5204 struct sctp_paddrparams *paddrp; 5205 struct sctp_nets *net; 5206 struct sockaddr *addr; 5207 #if defined(INET) && defined(INET6) 5208 struct sockaddr_in sin_store; 5209 #endif 5210 5211 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5212 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5213 5214 #if defined(INET) && defined(INET6) 5215 if (paddrp->spp_address.ss_family == AF_INET6) { 5216 struct sockaddr_in6 *sin6; 5217 5218 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5219 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5220 in6_sin6_2_sin(&sin_store, sin6); 5221 addr = (struct sockaddr *)&sin_store; 5222 } else { 5223 addr = (struct sockaddr *)&paddrp->spp_address; 5224 } 5225 } else { 5226 addr = (struct sockaddr *)&paddrp->spp_address; 5227 } 5228 #else 5229 addr = (struct sockaddr *)&paddrp->spp_address; 5230 #endif 5231 if (stcb != NULL) { 5232 net = sctp_findnet(stcb, addr); 5233 } else { 5234 /* 5235 * We increment here since 5236 * sctp_findassociation_ep_addr() wil do a 5237 * decrement if it finds the stcb as long as 5238 * the locked tcb (last argument) is NOT a 5239 * TCB.. aka NULL. 5240 */ 5241 net = NULL; 5242 SCTP_INP_INCR_REF(inp); 5243 stcb = sctp_findassociation_ep_addr(&inp, addr, 5244 &net, NULL, NULL); 5245 if (stcb == NULL) { 5246 SCTP_INP_DECR_REF(inp); 5247 } 5248 } 5249 if ((stcb != NULL) && (net == NULL)) { 5250 #ifdef INET 5251 if (addr->sa_family == AF_INET) { 5252 struct sockaddr_in *sin; 5253 5254 sin = (struct sockaddr_in *)addr; 5255 if (sin->sin_addr.s_addr != INADDR_ANY) { 5256 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5257 SCTP_TCB_UNLOCK(stcb); 5258 error = EINVAL; 5259 break; 5260 } 5261 } else 5262 #endif 5263 #ifdef INET6 5264 if (addr->sa_family == AF_INET6) { 5265 struct sockaddr_in6 *sin6; 5266 5267 sin6 = (struct sockaddr_in6 *)addr; 5268 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5269 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5270 SCTP_TCB_UNLOCK(stcb); 5271 error = EINVAL; 5272 break; 5273 } 5274 } else 5275 #endif 5276 { 5277 error = EAFNOSUPPORT; 5278 SCTP_TCB_UNLOCK(stcb); 5279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5280 break; 5281 } 5282 } 5283 /* sanity checks */ 5284 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5285 if (stcb) 5286 SCTP_TCB_UNLOCK(stcb); 5287 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5288 return (EINVAL); 5289 } 5290 5291 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5292 if (stcb) 5293 SCTP_TCB_UNLOCK(stcb); 5294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5295 return (EINVAL); 5296 } 5297 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5298 (paddrp->spp_pathmtu > 0) && 5299 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5300 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5301 if (stcb) 5302 SCTP_TCB_UNLOCK(stcb); 5303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5304 return (EINVAL); 5305 } 5306 5307 if (stcb != NULL) { 5308 /************************TCB SPECIFIC SET ******************/ 5309 if (net != NULL) { 5310 /************************NET SPECIFIC SET ******************/ 5311 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5312 if (((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) && 5313 ((net->dest_state & SCTP_ADDR_NOHB) == 0)) { 5314 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5315 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5316 } 5317 net->dest_state |= SCTP_ADDR_NOHB; 5318 } 5319 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5320 if (paddrp->spp_hbinterval) { 5321 net->heart_beat_delay = paddrp->spp_hbinterval; 5322 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5323 net->heart_beat_delay = 0; 5324 } 5325 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5326 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5327 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5328 net->dest_state &= ~SCTP_ADDR_NOHB; 5329 } 5330 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5331 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5332 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5333 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5334 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5335 } 5336 } 5337 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5338 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5339 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5340 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5341 } 5342 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5343 if (paddrp->spp_pathmtu > 0) { 5344 net->mtu = paddrp->spp_pathmtu; 5345 switch (net->ro._l_addr.sa.sa_family) { 5346 #ifdef INET 5347 case AF_INET: 5348 net->mtu += SCTP_MIN_V4_OVERHEAD; 5349 break; 5350 #endif 5351 #ifdef INET6 5352 case AF_INET6: 5353 net->mtu += SCTP_MIN_OVERHEAD; 5354 break; 5355 #endif 5356 default: 5357 break; 5358 } 5359 if (net->mtu < stcb->asoc.smallest_mtu) { 5360 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5361 } 5362 } 5363 } 5364 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5365 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5366 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5367 } 5368 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5369 } 5370 if (paddrp->spp_pathmaxrxt > 0) { 5371 if (net->dest_state & SCTP_ADDR_PF) { 5372 if (net->error_count > paddrp->spp_pathmaxrxt) { 5373 net->dest_state &= ~SCTP_ADDR_PF; 5374 } 5375 } else { 5376 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5377 (net->error_count > net->pf_threshold)) { 5378 net->dest_state |= SCTP_ADDR_PF; 5379 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5380 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5381 stcb->sctp_ep, stcb, net, 5382 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5383 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5384 } 5385 } 5386 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5387 if (net->error_count > paddrp->spp_pathmaxrxt) { 5388 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5389 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5390 } 5391 } else { 5392 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5393 net->dest_state |= SCTP_ADDR_REACHABLE; 5394 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5395 } 5396 } 5397 net->failure_threshold = paddrp->spp_pathmaxrxt; 5398 } 5399 if (paddrp->spp_flags & SPP_DSCP) { 5400 net->dscp = paddrp->spp_dscp & 0xfc; 5401 net->dscp |= 0x01; 5402 } 5403 #ifdef INET6 5404 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5405 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5406 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5407 net->flowlabel |= 0x80000000; 5408 } 5409 } 5410 #endif 5411 } else { 5412 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5413 if (paddrp->spp_pathmaxrxt > 0) { 5414 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5415 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5416 if (net->dest_state & SCTP_ADDR_PF) { 5417 if (net->error_count > paddrp->spp_pathmaxrxt) { 5418 net->dest_state &= ~SCTP_ADDR_PF; 5419 } 5420 } else { 5421 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5422 (net->error_count > net->pf_threshold)) { 5423 net->dest_state |= SCTP_ADDR_PF; 5424 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5425 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5426 stcb->sctp_ep, stcb, net, 5427 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5428 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5429 } 5430 } 5431 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5432 if (net->error_count > paddrp->spp_pathmaxrxt) { 5433 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5434 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5435 } 5436 } else { 5437 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5438 net->dest_state |= SCTP_ADDR_REACHABLE; 5439 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5440 } 5441 } 5442 net->failure_threshold = paddrp->spp_pathmaxrxt; 5443 } 5444 } 5445 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5446 if (paddrp->spp_hbinterval != 0) { 5447 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5448 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5449 stcb->asoc.heart_beat_delay = 0; 5450 } 5451 /* Turn back on the timer */ 5452 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5453 if (paddrp->spp_hbinterval != 0) { 5454 net->heart_beat_delay = paddrp->spp_hbinterval; 5455 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5456 net->heart_beat_delay = 0; 5457 } 5458 if (net->dest_state & SCTP_ADDR_NOHB) { 5459 net->dest_state &= ~SCTP_ADDR_NOHB; 5460 } 5461 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5462 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5463 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5464 } 5465 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5466 } 5467 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5468 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5469 if ((net->dest_state & SCTP_ADDR_NOHB) == 0) { 5470 net->dest_state |= SCTP_ADDR_NOHB; 5471 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5472 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5473 inp, stcb, net, 5474 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5475 } 5476 } 5477 } 5478 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5479 } 5480 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5481 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5482 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5483 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5484 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5485 } 5486 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5487 if (paddrp->spp_pathmtu > 0) { 5488 net->mtu = paddrp->spp_pathmtu; 5489 switch (net->ro._l_addr.sa.sa_family) { 5490 #ifdef INET 5491 case AF_INET: 5492 net->mtu += SCTP_MIN_V4_OVERHEAD; 5493 break; 5494 #endif 5495 #ifdef INET6 5496 case AF_INET6: 5497 net->mtu += SCTP_MIN_OVERHEAD; 5498 break; 5499 #endif 5500 default: 5501 break; 5502 } 5503 if (net->mtu < stcb->asoc.smallest_mtu) { 5504 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5505 } 5506 } 5507 } 5508 if (paddrp->spp_pathmtu > 0) { 5509 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5510 } 5511 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5512 } 5513 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5514 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5515 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5516 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5517 } 5518 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5519 } 5520 stcb->asoc.default_mtu = 0; 5521 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5522 } 5523 if (paddrp->spp_flags & SPP_DSCP) { 5524 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5525 net->dscp = paddrp->spp_dscp & 0xfc; 5526 net->dscp |= 0x01; 5527 } 5528 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5529 stcb->asoc.default_dscp |= 0x01; 5530 } 5531 #ifdef INET6 5532 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5533 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5534 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5535 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5536 net->flowlabel |= 0x80000000; 5537 } 5538 } 5539 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5540 stcb->asoc.default_flowlabel |= 0x80000000; 5541 } 5542 #endif 5543 } 5544 SCTP_TCB_UNLOCK(stcb); 5545 } else { 5546 /************************NO TCB, SET TO default stuff ******************/ 5547 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5548 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5549 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5550 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5551 SCTP_INP_WLOCK(inp); 5552 /* 5553 * For the TOS/FLOWLABEL stuff you 5554 * set it with the options on the 5555 * socket 5556 */ 5557 if (paddrp->spp_pathmaxrxt > 0) { 5558 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5559 } 5560 5561 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5562 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5563 else if (paddrp->spp_hbinterval != 0) { 5564 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5565 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5566 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5567 } 5568 5569 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5570 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5571 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5572 } else if (paddrp->spp_hbinterval) { 5573 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5574 } 5575 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5576 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5577 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5578 } 5579 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5580 inp->sctp_ep.default_mtu = 0; 5581 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5582 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5583 if (paddrp->spp_pathmtu > 0) { 5584 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5585 } 5586 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5587 } 5588 if (paddrp->spp_flags & SPP_DSCP) { 5589 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5590 inp->sctp_ep.default_dscp |= 0x01; 5591 } 5592 #ifdef INET6 5593 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5594 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5595 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5596 inp->sctp_ep.default_flowlabel |= 0x80000000; 5597 } 5598 } 5599 #endif 5600 SCTP_INP_WUNLOCK(inp); 5601 } else { 5602 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5603 error = EINVAL; 5604 } 5605 } 5606 break; 5607 } 5608 case SCTP_RTOINFO: 5609 { 5610 struct sctp_rtoinfo *srto; 5611 uint32_t new_init, new_min, new_max; 5612 5613 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5614 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5615 5616 if (stcb) { 5617 if (srto->srto_initial) 5618 new_init = srto->srto_initial; 5619 else 5620 new_init = stcb->asoc.initial_rto; 5621 if (srto->srto_max) 5622 new_max = srto->srto_max; 5623 else 5624 new_max = stcb->asoc.maxrto; 5625 if (srto->srto_min) 5626 new_min = srto->srto_min; 5627 else 5628 new_min = stcb->asoc.minrto; 5629 if ((new_min <= new_init) && (new_init <= new_max)) { 5630 stcb->asoc.initial_rto = new_init; 5631 stcb->asoc.maxrto = new_max; 5632 stcb->asoc.minrto = new_min; 5633 } else { 5634 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5635 error = EINVAL; 5636 } 5637 SCTP_TCB_UNLOCK(stcb); 5638 } else { 5639 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5640 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5641 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5642 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5643 SCTP_INP_WLOCK(inp); 5644 if (srto->srto_initial) 5645 new_init = srto->srto_initial; 5646 else 5647 new_init = inp->sctp_ep.initial_rto; 5648 if (srto->srto_max) 5649 new_max = srto->srto_max; 5650 else 5651 new_max = inp->sctp_ep.sctp_maxrto; 5652 if (srto->srto_min) 5653 new_min = srto->srto_min; 5654 else 5655 new_min = inp->sctp_ep.sctp_minrto; 5656 if ((new_min <= new_init) && (new_init <= new_max)) { 5657 inp->sctp_ep.initial_rto = new_init; 5658 inp->sctp_ep.sctp_maxrto = new_max; 5659 inp->sctp_ep.sctp_minrto = new_min; 5660 } else { 5661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5662 error = EINVAL; 5663 } 5664 SCTP_INP_WUNLOCK(inp); 5665 } else { 5666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5667 error = EINVAL; 5668 } 5669 } 5670 break; 5671 } 5672 case SCTP_ASSOCINFO: 5673 { 5674 struct sctp_assocparams *sasoc; 5675 5676 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5677 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5678 if (sasoc->sasoc_cookie_life > 0) { 5679 /* boundary check the cookie life */ 5680 if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) { 5681 sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE; 5682 } 5683 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5684 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5685 } 5686 } 5687 if (stcb) { 5688 if (sasoc->sasoc_asocmaxrxt > 0) { 5689 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5690 } 5691 if (sasoc->sasoc_cookie_life > 0) { 5692 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5693 } 5694 SCTP_TCB_UNLOCK(stcb); 5695 } else { 5696 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5697 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5698 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5699 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5700 SCTP_INP_WLOCK(inp); 5701 if (sasoc->sasoc_asocmaxrxt > 0) { 5702 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5703 } 5704 if (sasoc->sasoc_cookie_life > 0) { 5705 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5706 } 5707 SCTP_INP_WUNLOCK(inp); 5708 } else { 5709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5710 error = EINVAL; 5711 } 5712 } 5713 break; 5714 } 5715 case SCTP_INITMSG: 5716 { 5717 struct sctp_initmsg *sinit; 5718 5719 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5720 SCTP_INP_WLOCK(inp); 5721 if (sinit->sinit_num_ostreams) 5722 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5723 5724 if (sinit->sinit_max_instreams) 5725 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5726 5727 if (sinit->sinit_max_attempts) 5728 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5729 5730 if (sinit->sinit_max_init_timeo) 5731 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5732 SCTP_INP_WUNLOCK(inp); 5733 break; 5734 } 5735 case SCTP_PRIMARY_ADDR: 5736 { 5737 struct sctp_setprim *spa; 5738 struct sctp_nets *net; 5739 struct sockaddr *addr; 5740 #if defined(INET) && defined(INET6) 5741 struct sockaddr_in sin_store; 5742 #endif 5743 5744 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5745 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5746 5747 #if defined(INET) && defined(INET6) 5748 if (spa->ssp_addr.ss_family == AF_INET6) { 5749 struct sockaddr_in6 *sin6; 5750 5751 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5752 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5753 in6_sin6_2_sin(&sin_store, sin6); 5754 addr = (struct sockaddr *)&sin_store; 5755 } else { 5756 addr = (struct sockaddr *)&spa->ssp_addr; 5757 } 5758 } else { 5759 addr = (struct sockaddr *)&spa->ssp_addr; 5760 } 5761 #else 5762 addr = (struct sockaddr *)&spa->ssp_addr; 5763 #endif 5764 if (stcb != NULL) { 5765 net = sctp_findnet(stcb, addr); 5766 } else { 5767 /* 5768 * We increment here since 5769 * sctp_findassociation_ep_addr() wil do a 5770 * decrement if it finds the stcb as long as 5771 * the locked tcb (last argument) is NOT a 5772 * TCB.. aka NULL. 5773 */ 5774 net = NULL; 5775 SCTP_INP_INCR_REF(inp); 5776 stcb = sctp_findassociation_ep_addr(&inp, addr, 5777 &net, NULL, NULL); 5778 if (stcb == NULL) { 5779 SCTP_INP_DECR_REF(inp); 5780 } 5781 } 5782 5783 if ((stcb != NULL) && (net != NULL)) { 5784 if (net != stcb->asoc.primary_destination) { 5785 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5786 /* Ok we need to set it */ 5787 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5788 if ((stcb->asoc.alternate) && 5789 ((net->dest_state & SCTP_ADDR_PF) == 0) && 5790 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5791 sctp_free_remote_addr(stcb->asoc.alternate); 5792 stcb->asoc.alternate = NULL; 5793 } 5794 } else { 5795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5796 error = EINVAL; 5797 } 5798 } else { 5799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5800 error = EINVAL; 5801 } 5802 } 5803 } else { 5804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5805 error = EINVAL; 5806 } 5807 if (stcb != NULL) { 5808 SCTP_TCB_UNLOCK(stcb); 5809 } 5810 break; 5811 } 5812 case SCTP_SET_DYNAMIC_PRIMARY: 5813 { 5814 union sctp_sockstore *ss; 5815 5816 error = priv_check(curthread, 5817 PRIV_NETINET_RESERVEDPORT); 5818 if (error) 5819 break; 5820 5821 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5822 /* SUPER USER CHECK? */ 5823 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5824 break; 5825 } 5826 case SCTP_SET_PEER_PRIMARY_ADDR: 5827 { 5828 struct sctp_setpeerprim *sspp; 5829 struct sockaddr *addr; 5830 #if defined(INET) && defined(INET6) 5831 struct sockaddr_in sin_store; 5832 #endif 5833 5834 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5835 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5836 if (stcb != NULL) { 5837 struct sctp_ifa *ifa; 5838 5839 #if defined(INET) && defined(INET6) 5840 if (sspp->sspp_addr.ss_family == AF_INET6) { 5841 struct sockaddr_in6 *sin6; 5842 5843 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5844 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5845 in6_sin6_2_sin(&sin_store, sin6); 5846 addr = (struct sockaddr *)&sin_store; 5847 } else { 5848 addr = (struct sockaddr *)&sspp->sspp_addr; 5849 } 5850 } else { 5851 addr = (struct sockaddr *)&sspp->sspp_addr; 5852 } 5853 #else 5854 addr = (struct sockaddr *)&sspp->sspp_addr; 5855 #endif 5856 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5857 if (ifa == NULL) { 5858 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5859 error = EINVAL; 5860 goto out_of_it; 5861 } 5862 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5863 /* 5864 * Must validate the ifa found is in 5865 * our ep 5866 */ 5867 struct sctp_laddr *laddr; 5868 int found = 0; 5869 5870 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5871 if (laddr->ifa == NULL) { 5872 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5873 __func__); 5874 continue; 5875 } 5876 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5877 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5878 continue; 5879 } 5880 if (laddr->ifa == ifa) { 5881 found = 1; 5882 break; 5883 } 5884 } 5885 if (!found) { 5886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5887 error = EINVAL; 5888 goto out_of_it; 5889 } 5890 } else { 5891 switch (addr->sa_family) { 5892 #ifdef INET 5893 case AF_INET: 5894 { 5895 struct sockaddr_in *sin; 5896 5897 sin = (struct sockaddr_in *)addr; 5898 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5899 &sin->sin_addr) != 0) { 5900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5901 error = EINVAL; 5902 goto out_of_it; 5903 } 5904 break; 5905 } 5906 #endif 5907 #ifdef INET6 5908 case AF_INET6: 5909 { 5910 struct sockaddr_in6 *sin6; 5911 5912 sin6 = (struct sockaddr_in6 *)addr; 5913 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5914 &sin6->sin6_addr) != 0) { 5915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5916 error = EINVAL; 5917 goto out_of_it; 5918 } 5919 break; 5920 } 5921 #endif 5922 default: 5923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5924 error = EINVAL; 5925 goto out_of_it; 5926 } 5927 } 5928 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5930 error = EINVAL; 5931 } 5932 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5933 out_of_it: 5934 SCTP_TCB_UNLOCK(stcb); 5935 } else { 5936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5937 error = EINVAL; 5938 } 5939 break; 5940 } 5941 case SCTP_BINDX_ADD_ADDR: 5942 { 5943 struct sockaddr *sa; 5944 struct thread *td; 5945 5946 td = (struct thread *)p; 5947 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5948 #ifdef INET 5949 if (sa->sa_family == AF_INET) { 5950 if (optsize < sizeof(struct sockaddr_in)) { 5951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5952 error = EINVAL; 5953 break; 5954 } 5955 if (td != NULL && 5956 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5957 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5958 break; 5959 } 5960 } else 5961 #endif 5962 #ifdef INET6 5963 if (sa->sa_family == AF_INET6) { 5964 if (optsize < sizeof(struct sockaddr_in6)) { 5965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5966 error = EINVAL; 5967 break; 5968 } 5969 if (td != NULL && 5970 (error = prison_local_ip6(td->td_ucred, 5971 &(((struct sockaddr_in6 *)sa)->sin6_addr), 5972 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5973 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5974 break; 5975 } 5976 } else 5977 #endif 5978 { 5979 error = EAFNOSUPPORT; 5980 break; 5981 } 5982 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 5983 break; 5984 } 5985 case SCTP_BINDX_REM_ADDR: 5986 { 5987 struct sockaddr *sa; 5988 struct thread *td; 5989 5990 td = (struct thread *)p; 5991 5992 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5993 #ifdef INET 5994 if (sa->sa_family == AF_INET) { 5995 if (optsize < sizeof(struct sockaddr_in)) { 5996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5997 error = EINVAL; 5998 break; 5999 } 6000 if (td != NULL && 6001 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6002 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6003 break; 6004 } 6005 } else 6006 #endif 6007 #ifdef INET6 6008 if (sa->sa_family == AF_INET6) { 6009 if (optsize < sizeof(struct sockaddr_in6)) { 6010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6011 error = EINVAL; 6012 break; 6013 } 6014 if (td != NULL && 6015 (error = prison_local_ip6(td->td_ucred, 6016 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6017 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6018 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6019 break; 6020 } 6021 } else 6022 #endif 6023 { 6024 error = EAFNOSUPPORT; 6025 break; 6026 } 6027 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6028 break; 6029 } 6030 case SCTP_EVENT: 6031 { 6032 struct sctp_event *event; 6033 uint32_t event_type; 6034 6035 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6036 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6037 switch (event->se_type) { 6038 case SCTP_ASSOC_CHANGE: 6039 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6040 break; 6041 case SCTP_PEER_ADDR_CHANGE: 6042 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6043 break; 6044 case SCTP_REMOTE_ERROR: 6045 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6046 break; 6047 case SCTP_SEND_FAILED: 6048 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6049 break; 6050 case SCTP_SHUTDOWN_EVENT: 6051 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6052 break; 6053 case SCTP_ADAPTATION_INDICATION: 6054 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6055 break; 6056 case SCTP_PARTIAL_DELIVERY_EVENT: 6057 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6058 break; 6059 case SCTP_AUTHENTICATION_EVENT: 6060 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6061 break; 6062 case SCTP_STREAM_RESET_EVENT: 6063 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6064 break; 6065 case SCTP_SENDER_DRY_EVENT: 6066 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6067 break; 6068 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6069 event_type = 0; 6070 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6071 error = ENOTSUP; 6072 break; 6073 case SCTP_ASSOC_RESET_EVENT: 6074 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6075 break; 6076 case SCTP_STREAM_CHANGE_EVENT: 6077 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6078 break; 6079 case SCTP_SEND_FAILED_EVENT: 6080 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6081 break; 6082 default: 6083 event_type = 0; 6084 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6085 error = EINVAL; 6086 break; 6087 } 6088 if (event_type > 0) { 6089 if (stcb) { 6090 if (event->se_on) { 6091 sctp_stcb_feature_on(inp, stcb, event_type); 6092 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6093 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6094 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6095 (stcb->asoc.stream_queue_cnt == 0)) { 6096 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6097 } 6098 } 6099 } else { 6100 sctp_stcb_feature_off(inp, stcb, event_type); 6101 } 6102 SCTP_TCB_UNLOCK(stcb); 6103 } else { 6104 /* 6105 * We don't want to send up a storm 6106 * of events, so return an error for 6107 * sender dry events 6108 */ 6109 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6110 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6111 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6112 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6113 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6114 error = ENOTSUP; 6115 break; 6116 } 6117 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6118 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6119 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6120 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6121 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6122 SCTP_INP_WLOCK(inp); 6123 if (event->se_on) { 6124 sctp_feature_on(inp, event_type); 6125 } else { 6126 sctp_feature_off(inp, event_type); 6127 } 6128 SCTP_INP_WUNLOCK(inp); 6129 } 6130 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6131 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6132 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6133 SCTP_INP_RLOCK(inp); 6134 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6135 SCTP_TCB_LOCK(stcb); 6136 if (event->se_on) { 6137 sctp_stcb_feature_on(inp, stcb, event_type); 6138 } else { 6139 sctp_stcb_feature_off(inp, stcb, event_type); 6140 } 6141 SCTP_TCB_UNLOCK(stcb); 6142 } 6143 SCTP_INP_RUNLOCK(inp); 6144 } 6145 } 6146 } else { 6147 if (stcb) { 6148 SCTP_TCB_UNLOCK(stcb); 6149 } 6150 } 6151 break; 6152 } 6153 case SCTP_RECVRCVINFO: 6154 { 6155 int *onoff; 6156 6157 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6158 SCTP_INP_WLOCK(inp); 6159 if (*onoff != 0) { 6160 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6161 } else { 6162 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6163 } 6164 SCTP_INP_WUNLOCK(inp); 6165 break; 6166 } 6167 case SCTP_RECVNXTINFO: 6168 { 6169 int *onoff; 6170 6171 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6172 SCTP_INP_WLOCK(inp); 6173 if (*onoff != 0) { 6174 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6175 } else { 6176 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6177 } 6178 SCTP_INP_WUNLOCK(inp); 6179 break; 6180 } 6181 case SCTP_DEFAULT_SNDINFO: 6182 { 6183 struct sctp_sndinfo *info; 6184 uint16_t policy; 6185 6186 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6187 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6188 6189 if (stcb) { 6190 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6191 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6192 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6193 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6194 stcb->asoc.def_send.sinfo_flags |= policy; 6195 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6196 stcb->asoc.def_send.sinfo_context = info->snd_context; 6197 } else { 6198 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6199 error = EINVAL; 6200 } 6201 SCTP_TCB_UNLOCK(stcb); 6202 } else { 6203 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6204 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6205 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6206 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6207 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6208 SCTP_INP_WLOCK(inp); 6209 inp->def_send.sinfo_stream = info->snd_sid; 6210 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6211 inp->def_send.sinfo_flags = info->snd_flags; 6212 inp->def_send.sinfo_flags |= policy; 6213 inp->def_send.sinfo_ppid = info->snd_ppid; 6214 inp->def_send.sinfo_context = info->snd_context; 6215 SCTP_INP_WUNLOCK(inp); 6216 } 6217 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6218 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6219 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6220 SCTP_INP_RLOCK(inp); 6221 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6222 SCTP_TCB_LOCK(stcb); 6223 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6224 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6225 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6226 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6227 stcb->asoc.def_send.sinfo_flags |= policy; 6228 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6229 stcb->asoc.def_send.sinfo_context = info->snd_context; 6230 } 6231 SCTP_TCB_UNLOCK(stcb); 6232 } 6233 SCTP_INP_RUNLOCK(inp); 6234 } 6235 } 6236 break; 6237 } 6238 case SCTP_DEFAULT_PRINFO: 6239 { 6240 struct sctp_default_prinfo *info; 6241 6242 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6243 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6244 6245 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6246 if (stcb) { 6247 SCTP_TCB_UNLOCK(stcb); 6248 } 6249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6250 error = EINVAL; 6251 break; 6252 } 6253 if (stcb) { 6254 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6255 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6256 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6257 SCTP_TCB_UNLOCK(stcb); 6258 } else { 6259 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6260 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6261 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6262 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6263 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6264 SCTP_INP_WLOCK(inp); 6265 inp->def_send.sinfo_flags &= 0xfff0; 6266 inp->def_send.sinfo_flags |= info->pr_policy; 6267 inp->def_send.sinfo_timetolive = info->pr_value; 6268 SCTP_INP_WUNLOCK(inp); 6269 } 6270 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6271 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6272 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6273 SCTP_INP_RLOCK(inp); 6274 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6275 SCTP_TCB_LOCK(stcb); 6276 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6277 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6278 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6279 SCTP_TCB_UNLOCK(stcb); 6280 } 6281 SCTP_INP_RUNLOCK(inp); 6282 } 6283 } 6284 break; 6285 } 6286 case SCTP_PEER_ADDR_THLDS: 6287 /* Applies to the specific association */ 6288 { 6289 struct sctp_paddrthlds *thlds; 6290 struct sctp_nets *net; 6291 struct sockaddr *addr; 6292 #if defined(INET) && defined(INET6) 6293 struct sockaddr_in sin_store; 6294 #endif 6295 6296 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6297 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6298 6299 #if defined(INET) && defined(INET6) 6300 if (thlds->spt_address.ss_family == AF_INET6) { 6301 struct sockaddr_in6 *sin6; 6302 6303 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6304 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6305 in6_sin6_2_sin(&sin_store, sin6); 6306 addr = (struct sockaddr *)&sin_store; 6307 } else { 6308 addr = (struct sockaddr *)&thlds->spt_address; 6309 } 6310 } else { 6311 addr = (struct sockaddr *)&thlds->spt_address; 6312 } 6313 #else 6314 addr = (struct sockaddr *)&thlds->spt_address; 6315 #endif 6316 if (stcb != NULL) { 6317 net = sctp_findnet(stcb, addr); 6318 } else { 6319 /* 6320 * We increment here since 6321 * sctp_findassociation_ep_addr() wil do a 6322 * decrement if it finds the stcb as long as 6323 * the locked tcb (last argument) is NOT a 6324 * TCB.. aka NULL. 6325 */ 6326 net = NULL; 6327 SCTP_INP_INCR_REF(inp); 6328 stcb = sctp_findassociation_ep_addr(&inp, addr, 6329 &net, NULL, NULL); 6330 if (stcb == NULL) { 6331 SCTP_INP_DECR_REF(inp); 6332 } 6333 } 6334 if ((stcb != NULL) && (net == NULL)) { 6335 #ifdef INET 6336 if (addr->sa_family == AF_INET) { 6337 struct sockaddr_in *sin; 6338 6339 sin = (struct sockaddr_in *)addr; 6340 if (sin->sin_addr.s_addr != INADDR_ANY) { 6341 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6342 SCTP_TCB_UNLOCK(stcb); 6343 error = EINVAL; 6344 break; 6345 } 6346 } else 6347 #endif 6348 #ifdef INET6 6349 if (addr->sa_family == AF_INET6) { 6350 struct sockaddr_in6 *sin6; 6351 6352 sin6 = (struct sockaddr_in6 *)addr; 6353 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6355 SCTP_TCB_UNLOCK(stcb); 6356 error = EINVAL; 6357 break; 6358 } 6359 } else 6360 #endif 6361 { 6362 error = EAFNOSUPPORT; 6363 SCTP_TCB_UNLOCK(stcb); 6364 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6365 break; 6366 } 6367 } 6368 if (thlds->spt_pathcpthld != 0xffff) { 6369 if (stcb != NULL) { 6370 SCTP_TCB_UNLOCK(stcb); 6371 } 6372 error = EINVAL; 6373 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6374 break; 6375 } 6376 if (stcb != NULL) { 6377 if (net != NULL) { 6378 net->failure_threshold = thlds->spt_pathmaxrxt; 6379 net->pf_threshold = thlds->spt_pathpfthld; 6380 if (net->dest_state & SCTP_ADDR_PF) { 6381 if ((net->error_count > net->failure_threshold) || 6382 (net->error_count <= net->pf_threshold)) { 6383 net->dest_state &= ~SCTP_ADDR_PF; 6384 } 6385 } else { 6386 if ((net->error_count > net->pf_threshold) && 6387 (net->error_count <= net->failure_threshold)) { 6388 net->dest_state |= SCTP_ADDR_PF; 6389 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6390 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6391 stcb->sctp_ep, stcb, net, 6392 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6393 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6394 } 6395 } 6396 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6397 if (net->error_count > net->failure_threshold) { 6398 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6399 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6400 } 6401 } else { 6402 if (net->error_count <= net->failure_threshold) { 6403 net->dest_state |= SCTP_ADDR_REACHABLE; 6404 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6405 } 6406 } 6407 } else { 6408 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6409 net->failure_threshold = thlds->spt_pathmaxrxt; 6410 net->pf_threshold = thlds->spt_pathpfthld; 6411 if (net->dest_state & SCTP_ADDR_PF) { 6412 if ((net->error_count > net->failure_threshold) || 6413 (net->error_count <= net->pf_threshold)) { 6414 net->dest_state &= ~SCTP_ADDR_PF; 6415 } 6416 } else { 6417 if ((net->error_count > net->pf_threshold) && 6418 (net->error_count <= net->failure_threshold)) { 6419 net->dest_state |= SCTP_ADDR_PF; 6420 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6421 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6422 stcb->sctp_ep, stcb, net, 6423 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6424 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6425 } 6426 } 6427 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6428 if (net->error_count > net->failure_threshold) { 6429 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6430 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6431 } 6432 } else { 6433 if (net->error_count <= net->failure_threshold) { 6434 net->dest_state |= SCTP_ADDR_REACHABLE; 6435 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6436 } 6437 } 6438 } 6439 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6440 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6441 } 6442 SCTP_TCB_UNLOCK(stcb); 6443 } else { 6444 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6445 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6446 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6447 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6448 SCTP_INP_WLOCK(inp); 6449 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6450 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6451 SCTP_INP_WUNLOCK(inp); 6452 } else { 6453 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6454 error = EINVAL; 6455 } 6456 } 6457 break; 6458 } 6459 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6460 { 6461 struct sctp_udpencaps *encaps; 6462 struct sctp_nets *net; 6463 struct sockaddr *addr; 6464 #if defined(INET) && defined(INET6) 6465 struct sockaddr_in sin_store; 6466 #endif 6467 6468 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6469 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6470 6471 #if defined(INET) && defined(INET6) 6472 if (encaps->sue_address.ss_family == AF_INET6) { 6473 struct sockaddr_in6 *sin6; 6474 6475 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6476 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6477 in6_sin6_2_sin(&sin_store, sin6); 6478 addr = (struct sockaddr *)&sin_store; 6479 } else { 6480 addr = (struct sockaddr *)&encaps->sue_address; 6481 } 6482 } else { 6483 addr = (struct sockaddr *)&encaps->sue_address; 6484 } 6485 #else 6486 addr = (struct sockaddr *)&encaps->sue_address; 6487 #endif 6488 if (stcb != NULL) { 6489 net = sctp_findnet(stcb, addr); 6490 } else { 6491 /* 6492 * We increment here since 6493 * sctp_findassociation_ep_addr() wil do a 6494 * decrement if it finds the stcb as long as 6495 * the locked tcb (last argument) is NOT a 6496 * TCB.. aka NULL. 6497 */ 6498 net = NULL; 6499 SCTP_INP_INCR_REF(inp); 6500 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6501 if (stcb == NULL) { 6502 SCTP_INP_DECR_REF(inp); 6503 } 6504 } 6505 if ((stcb != NULL) && (net == NULL)) { 6506 #ifdef INET 6507 if (addr->sa_family == AF_INET) { 6508 struct sockaddr_in *sin; 6509 6510 sin = (struct sockaddr_in *)addr; 6511 if (sin->sin_addr.s_addr != INADDR_ANY) { 6512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6513 SCTP_TCB_UNLOCK(stcb); 6514 error = EINVAL; 6515 break; 6516 } 6517 } else 6518 #endif 6519 #ifdef INET6 6520 if (addr->sa_family == AF_INET6) { 6521 struct sockaddr_in6 *sin6; 6522 6523 sin6 = (struct sockaddr_in6 *)addr; 6524 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6525 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6526 SCTP_TCB_UNLOCK(stcb); 6527 error = EINVAL; 6528 break; 6529 } 6530 } else 6531 #endif 6532 { 6533 error = EAFNOSUPPORT; 6534 SCTP_TCB_UNLOCK(stcb); 6535 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6536 break; 6537 } 6538 } 6539 6540 if (stcb != NULL) { 6541 if (net != NULL) { 6542 net->port = encaps->sue_port; 6543 } else { 6544 stcb->asoc.port = encaps->sue_port; 6545 } 6546 SCTP_TCB_UNLOCK(stcb); 6547 } else { 6548 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6549 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6550 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6551 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6552 SCTP_INP_WLOCK(inp); 6553 inp->sctp_ep.port = encaps->sue_port; 6554 SCTP_INP_WUNLOCK(inp); 6555 } else { 6556 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6557 error = EINVAL; 6558 } 6559 } 6560 break; 6561 } 6562 case SCTP_ECN_SUPPORTED: 6563 { 6564 struct sctp_assoc_value *av; 6565 6566 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6567 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6568 6569 if (stcb) { 6570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6571 error = EINVAL; 6572 SCTP_TCB_UNLOCK(stcb); 6573 } else { 6574 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6575 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6576 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6577 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6578 SCTP_INP_WLOCK(inp); 6579 if (av->assoc_value == 0) { 6580 inp->ecn_supported = 0; 6581 } else { 6582 inp->ecn_supported = 1; 6583 } 6584 SCTP_INP_WUNLOCK(inp); 6585 } else { 6586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6587 error = EINVAL; 6588 } 6589 } 6590 break; 6591 } 6592 case SCTP_PR_SUPPORTED: 6593 { 6594 struct sctp_assoc_value *av; 6595 6596 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6597 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6598 6599 if (stcb) { 6600 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6601 error = EINVAL; 6602 SCTP_TCB_UNLOCK(stcb); 6603 } else { 6604 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6605 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6606 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6607 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6608 SCTP_INP_WLOCK(inp); 6609 if (av->assoc_value == 0) { 6610 inp->prsctp_supported = 0; 6611 } else { 6612 inp->prsctp_supported = 1; 6613 } 6614 SCTP_INP_WUNLOCK(inp); 6615 } else { 6616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6617 error = EINVAL; 6618 } 6619 } 6620 break; 6621 } 6622 case SCTP_AUTH_SUPPORTED: 6623 { 6624 struct sctp_assoc_value *av; 6625 6626 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6627 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6628 6629 if (stcb) { 6630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6631 error = EINVAL; 6632 SCTP_TCB_UNLOCK(stcb); 6633 } else { 6634 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6635 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6636 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6637 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6638 if ((av->assoc_value == 0) && 6639 (inp->asconf_supported == 1)) { 6640 /* 6641 * AUTH is required for 6642 * ASCONF 6643 */ 6644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6645 error = EINVAL; 6646 } else { 6647 SCTP_INP_WLOCK(inp); 6648 if (av->assoc_value == 0) { 6649 inp->auth_supported = 0; 6650 } else { 6651 inp->auth_supported = 1; 6652 } 6653 SCTP_INP_WUNLOCK(inp); 6654 } 6655 } else { 6656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6657 error = EINVAL; 6658 } 6659 } 6660 break; 6661 } 6662 case SCTP_ASCONF_SUPPORTED: 6663 { 6664 struct sctp_assoc_value *av; 6665 6666 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6667 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6668 6669 if (stcb) { 6670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6671 error = EINVAL; 6672 SCTP_TCB_UNLOCK(stcb); 6673 } else { 6674 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6675 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6676 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6677 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6678 if ((av->assoc_value != 0) && 6679 (inp->auth_supported == 0)) { 6680 /* 6681 * AUTH is required for 6682 * ASCONF 6683 */ 6684 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6685 error = EINVAL; 6686 } else { 6687 SCTP_INP_WLOCK(inp); 6688 if (av->assoc_value == 0) { 6689 inp->asconf_supported = 0; 6690 sctp_auth_delete_chunk(SCTP_ASCONF, 6691 inp->sctp_ep.local_auth_chunks); 6692 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6693 inp->sctp_ep.local_auth_chunks); 6694 } else { 6695 inp->asconf_supported = 1; 6696 sctp_auth_add_chunk(SCTP_ASCONF, 6697 inp->sctp_ep.local_auth_chunks); 6698 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6699 inp->sctp_ep.local_auth_chunks); 6700 } 6701 SCTP_INP_WUNLOCK(inp); 6702 } 6703 } else { 6704 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6705 error = EINVAL; 6706 } 6707 } 6708 break; 6709 } 6710 case SCTP_RECONFIG_SUPPORTED: 6711 { 6712 struct sctp_assoc_value *av; 6713 6714 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6715 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6716 6717 if (stcb) { 6718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6719 error = EINVAL; 6720 SCTP_TCB_UNLOCK(stcb); 6721 } else { 6722 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6723 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6724 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6725 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6726 SCTP_INP_WLOCK(inp); 6727 if (av->assoc_value == 0) { 6728 inp->reconfig_supported = 0; 6729 } else { 6730 inp->reconfig_supported = 1; 6731 } 6732 SCTP_INP_WUNLOCK(inp); 6733 } else { 6734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6735 error = EINVAL; 6736 } 6737 } 6738 break; 6739 } 6740 case SCTP_NRSACK_SUPPORTED: 6741 { 6742 struct sctp_assoc_value *av; 6743 6744 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6745 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6746 6747 if (stcb) { 6748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6749 error = EINVAL; 6750 SCTP_TCB_UNLOCK(stcb); 6751 } else { 6752 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6753 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6754 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6755 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6756 SCTP_INP_WLOCK(inp); 6757 if (av->assoc_value == 0) { 6758 inp->nrsack_supported = 0; 6759 } else { 6760 inp->nrsack_supported = 1; 6761 } 6762 SCTP_INP_WUNLOCK(inp); 6763 } else { 6764 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6765 error = EINVAL; 6766 } 6767 } 6768 break; 6769 } 6770 case SCTP_PKTDROP_SUPPORTED: 6771 { 6772 struct sctp_assoc_value *av; 6773 6774 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6775 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6776 6777 if (stcb) { 6778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6779 error = EINVAL; 6780 SCTP_TCB_UNLOCK(stcb); 6781 } else { 6782 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6783 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6784 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6785 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6786 SCTP_INP_WLOCK(inp); 6787 if (av->assoc_value == 0) { 6788 inp->pktdrop_supported = 0; 6789 } else { 6790 inp->pktdrop_supported = 1; 6791 } 6792 SCTP_INP_WUNLOCK(inp); 6793 } else { 6794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6795 error = EINVAL; 6796 } 6797 } 6798 break; 6799 } 6800 case SCTP_MAX_CWND: 6801 { 6802 struct sctp_assoc_value *av; 6803 struct sctp_nets *net; 6804 6805 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6806 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6807 6808 if (stcb) { 6809 stcb->asoc.max_cwnd = av->assoc_value; 6810 if (stcb->asoc.max_cwnd > 0) { 6811 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6812 if ((net->cwnd > stcb->asoc.max_cwnd) && 6813 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6814 net->cwnd = stcb->asoc.max_cwnd; 6815 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6816 net->cwnd = net->mtu - sizeof(struct sctphdr); 6817 } 6818 } 6819 } 6820 } 6821 SCTP_TCB_UNLOCK(stcb); 6822 } else { 6823 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6824 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6825 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6826 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6827 SCTP_INP_WLOCK(inp); 6828 inp->max_cwnd = av->assoc_value; 6829 SCTP_INP_WUNLOCK(inp); 6830 } else { 6831 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6832 error = EINVAL; 6833 } 6834 } 6835 break; 6836 } 6837 default: 6838 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6839 error = ENOPROTOOPT; 6840 break; 6841 } /* end switch (opt) */ 6842 return (error); 6843 } 6844 6845 int 6846 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6847 { 6848 struct epoch_tracker et; 6849 struct sctp_inpcb *inp; 6850 void *optval = NULL; 6851 void *p; 6852 size_t optsize = 0; 6853 int error = 0; 6854 6855 if ((sopt->sopt_level == SOL_SOCKET) && 6856 (sopt->sopt_name == SO_SETFIB)) { 6857 inp = (struct sctp_inpcb *)so->so_pcb; 6858 if (inp == NULL) { 6859 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6860 return (EINVAL); 6861 } 6862 SCTP_INP_WLOCK(inp); 6863 inp->fibnum = so->so_fibnum; 6864 SCTP_INP_WUNLOCK(inp); 6865 return (0); 6866 } 6867 if (sopt->sopt_level != IPPROTO_SCTP) { 6868 /* wrong proto level... send back up to IP */ 6869 #ifdef INET6 6870 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6871 error = ip6_ctloutput(so, sopt); 6872 #endif /* INET6 */ 6873 #if defined(INET) && defined(INET6) 6874 else 6875 #endif 6876 #ifdef INET 6877 error = ip_ctloutput(so, sopt); 6878 #endif 6879 return (error); 6880 } 6881 optsize = sopt->sopt_valsize; 6882 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6883 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6884 return (ENOBUFS); 6885 } 6886 if (optsize) { 6887 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6888 if (optval == NULL) { 6889 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6890 return (ENOBUFS); 6891 } 6892 error = sooptcopyin(sopt, optval, optsize, optsize); 6893 if (error) { 6894 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6895 goto out; 6896 } 6897 } 6898 p = (void *)sopt->sopt_td; 6899 if (sopt->sopt_dir == SOPT_SET) { 6900 NET_EPOCH_ENTER(et); 6901 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6902 NET_EPOCH_EXIT(et); 6903 } else if (sopt->sopt_dir == SOPT_GET) { 6904 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6905 } else { 6906 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6907 error = EINVAL; 6908 } 6909 if ((error == 0) && (optval != NULL)) { 6910 error = sooptcopyout(sopt, optval, optsize); 6911 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6912 } else if (optval != NULL) { 6913 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6914 } 6915 out: 6916 return (error); 6917 } 6918 6919 #ifdef INET 6920 static int 6921 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6922 { 6923 struct epoch_tracker et; 6924 int error = 0; 6925 int create_lock_on = 0; 6926 uint32_t vrf_id; 6927 struct sctp_inpcb *inp; 6928 struct sctp_tcb *stcb = NULL; 6929 6930 inp = (struct sctp_inpcb *)so->so_pcb; 6931 if (inp == NULL) { 6932 /* I made the same as TCP since we are not setup? */ 6933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6934 return (ECONNRESET); 6935 } 6936 if (addr == NULL) { 6937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6938 return EINVAL; 6939 } 6940 6941 switch (addr->sa_family) { 6942 #ifdef INET6 6943 case AF_INET6: 6944 { 6945 struct sockaddr_in6 *sin6; 6946 6947 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6949 return (EINVAL); 6950 } 6951 sin6 = (struct sockaddr_in6 *)addr; 6952 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 6953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6954 return (error); 6955 } 6956 break; 6957 } 6958 #endif 6959 #ifdef INET 6960 case AF_INET: 6961 { 6962 struct sockaddr_in *sin; 6963 6964 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6966 return (EINVAL); 6967 } 6968 sin = (struct sockaddr_in *)addr; 6969 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 6970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6971 return (error); 6972 } 6973 break; 6974 } 6975 #endif 6976 default: 6977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6978 return (EAFNOSUPPORT); 6979 } 6980 SCTP_INP_INCR_REF(inp); 6981 SCTP_ASOC_CREATE_LOCK(inp); 6982 create_lock_on = 1; 6983 NET_EPOCH_ENTER(et); 6984 6985 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6986 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6987 /* Should I really unlock ? */ 6988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6989 error = EFAULT; 6990 goto out_now; 6991 } 6992 #ifdef INET6 6993 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6994 (addr->sa_family == AF_INET6)) { 6995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6996 error = EINVAL; 6997 goto out_now; 6998 } 6999 #endif 7000 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7001 /* Bind a ephemeral port */ 7002 error = sctp_inpcb_bind(so, NULL, NULL, p); 7003 if (error) { 7004 goto out_now; 7005 } 7006 } 7007 /* Now do we connect? */ 7008 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7009 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7011 error = EINVAL; 7012 goto out_now; 7013 } 7014 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7015 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7016 /* We are already connected AND the TCP model */ 7017 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7018 error = EADDRINUSE; 7019 goto out_now; 7020 } 7021 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7022 SCTP_INP_RLOCK(inp); 7023 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7024 SCTP_INP_RUNLOCK(inp); 7025 } else { 7026 /* 7027 * We increment here since sctp_findassociation_ep_addr() 7028 * will do a decrement if it finds the stcb as long as the 7029 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7030 */ 7031 SCTP_INP_INCR_REF(inp); 7032 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7033 if (stcb == NULL) { 7034 SCTP_INP_DECR_REF(inp); 7035 } else { 7036 SCTP_TCB_UNLOCK(stcb); 7037 } 7038 } 7039 if (stcb != NULL) { 7040 /* Already have or am bring up an association */ 7041 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7042 error = EALREADY; 7043 goto out_now; 7044 } 7045 7046 vrf_id = inp->def_vrf_id; 7047 /* We are GOOD to go */ 7048 stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id, 7049 inp->sctp_ep.pre_open_stream_count, 7050 inp->sctp_ep.port, p, 7051 SCTP_INITIALIZE_AUTH_PARAMS); 7052 if (stcb == NULL) { 7053 /* Gak! no memory */ 7054 goto out_now; 7055 } 7056 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7057 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7058 7059 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7060 SCTP_TCB_UNLOCK(stcb); 7061 out_now: 7062 NET_EPOCH_EXIT(et); 7063 if (create_lock_on) { 7064 SCTP_ASOC_CREATE_UNLOCK(inp); 7065 } 7066 SCTP_INP_DECR_REF(inp); 7067 return (error); 7068 } 7069 #endif 7070 7071 int 7072 sctp_listen(struct socket *so, int backlog, struct thread *p) 7073 { 7074 /* 7075 * Note this module depends on the protocol processing being called 7076 * AFTER any socket level flags and backlog are applied to the 7077 * socket. The traditional way that the socket flags are applied is 7078 * AFTER protocol processing. We have made a change to the 7079 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7080 * place if the socket API for SCTP is to work properly. 7081 */ 7082 7083 int error = 0; 7084 struct sctp_inpcb *inp; 7085 7086 inp = (struct sctp_inpcb *)so->so_pcb; 7087 if (inp == NULL) { 7088 /* I made the same as TCP since we are not setup? */ 7089 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7090 return (ECONNRESET); 7091 } 7092 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7093 /* See if we have a listener */ 7094 struct sctp_inpcb *tinp; 7095 union sctp_sockstore store; 7096 7097 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7098 /* not bound all */ 7099 struct sctp_laddr *laddr; 7100 7101 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7102 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7103 switch (store.sa.sa_family) { 7104 #ifdef INET 7105 case AF_INET: 7106 store.sin.sin_port = inp->sctp_lport; 7107 break; 7108 #endif 7109 #ifdef INET6 7110 case AF_INET6: 7111 store.sin6.sin6_port = inp->sctp_lport; 7112 break; 7113 #endif 7114 default: 7115 break; 7116 } 7117 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7118 if (tinp && (tinp != inp) && 7119 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7120 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7121 (SCTP_IS_LISTENING(tinp))) { 7122 /* 7123 * we have a listener already and 7124 * its not this inp. 7125 */ 7126 SCTP_INP_DECR_REF(tinp); 7127 return (EADDRINUSE); 7128 } else if (tinp) { 7129 SCTP_INP_DECR_REF(tinp); 7130 } 7131 } 7132 } else { 7133 /* Setup a local addr bound all */ 7134 memset(&store, 0, sizeof(store)); 7135 #ifdef INET6 7136 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7137 store.sa.sa_family = AF_INET6; 7138 store.sa.sa_len = sizeof(struct sockaddr_in6); 7139 } 7140 #endif 7141 #ifdef INET 7142 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7143 store.sa.sa_family = AF_INET; 7144 store.sa.sa_len = sizeof(struct sockaddr_in); 7145 } 7146 #endif 7147 switch (store.sa.sa_family) { 7148 #ifdef INET 7149 case AF_INET: 7150 store.sin.sin_port = inp->sctp_lport; 7151 break; 7152 #endif 7153 #ifdef INET6 7154 case AF_INET6: 7155 store.sin6.sin6_port = inp->sctp_lport; 7156 break; 7157 #endif 7158 default: 7159 break; 7160 } 7161 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7162 if (tinp && (tinp != inp) && 7163 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7164 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7165 (SCTP_IS_LISTENING(tinp))) { 7166 /* 7167 * we have a listener already and its not 7168 * this inp. 7169 */ 7170 SCTP_INP_DECR_REF(tinp); 7171 return (EADDRINUSE); 7172 } else if (tinp) { 7173 SCTP_INP_DECR_REF(tinp); 7174 } 7175 } 7176 } 7177 SCTP_INP_INFO_WLOCK(); 7178 SCTP_INP_WLOCK(inp); 7179 #ifdef SCTP_LOCK_LOGGING 7180 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7181 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7182 } 7183 #endif 7184 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7185 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7186 /* 7187 * The unlucky case - We are in the tcp pool with this guy. 7188 * - Someone else is in the main inp slot. - We must move 7189 * this guy (the listener) to the main slot - We must then 7190 * move the guy that was listener to the TCP Pool. 7191 */ 7192 if (sctp_swap_inpcb_for_listen(inp)) { 7193 error = EADDRINUSE; 7194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7195 goto out; 7196 } 7197 } 7198 SOCK_LOCK(so); 7199 error = solisten_proto_check(so); 7200 if (error) { 7201 SOCK_UNLOCK(so); 7202 goto out; 7203 } 7204 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7205 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7206 SOCK_UNLOCK(so); 7207 solisten_proto_abort(so); 7208 error = EADDRINUSE; 7209 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7210 goto out; 7211 } 7212 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7213 ((inp->sctp_flags & SCTP_PCB_FLAGS_WAS_CONNECTED) || 7214 (inp->sctp_flags & SCTP_PCB_FLAGS_WAS_ABORTED))) { 7215 SOCK_UNLOCK(so); 7216 solisten_proto_abort(so); 7217 error = EINVAL; 7218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7219 goto out; 7220 } 7221 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7222 if ((error = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) { 7223 SOCK_UNLOCK(so); 7224 solisten_proto_abort(so); 7225 /* bind error, probably perm */ 7226 goto out; 7227 } 7228 } 7229 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7230 solisten_proto(so, backlog); 7231 SOCK_UNLOCK(so); 7232 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7233 } else { 7234 solisten_proto_abort(so); 7235 SOCK_UNLOCK(so); 7236 if (backlog > 0) { 7237 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7238 } else { 7239 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7240 } 7241 } 7242 out: 7243 SCTP_INP_WUNLOCK(inp); 7244 SCTP_INP_INFO_WUNLOCK(); 7245 return (error); 7246 } 7247 7248 static int sctp_defered_wakeup_cnt = 0; 7249 7250 int 7251 sctp_accept(struct socket *so, struct sockaddr **addr) 7252 { 7253 struct sctp_tcb *stcb; 7254 struct sctp_inpcb *inp; 7255 union sctp_sockstore store; 7256 #ifdef INET6 7257 int error; 7258 #endif 7259 inp = (struct sctp_inpcb *)so->so_pcb; 7260 7261 if (inp == NULL) { 7262 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7263 return (ECONNRESET); 7264 } 7265 SCTP_INP_WLOCK(inp); 7266 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7267 SCTP_INP_WUNLOCK(inp); 7268 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7269 return (EOPNOTSUPP); 7270 } 7271 if (so->so_state & SS_ISDISCONNECTED) { 7272 SCTP_INP_WUNLOCK(inp); 7273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7274 return (ECONNABORTED); 7275 } 7276 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7277 if (stcb == NULL) { 7278 SCTP_INP_WUNLOCK(inp); 7279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7280 return (ECONNRESET); 7281 } 7282 SCTP_TCB_LOCK(stcb); 7283 store = stcb->asoc.primary_destination->ro._l_addr; 7284 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7285 /* Wake any delayed sleep action */ 7286 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7287 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7288 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7289 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7290 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7291 if (sowriteable(inp->sctp_socket)) { 7292 sowwakeup_locked(inp->sctp_socket); 7293 } else { 7294 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7295 } 7296 } 7297 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7298 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7299 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7300 if (soreadable(inp->sctp_socket)) { 7301 sctp_defered_wakeup_cnt++; 7302 sorwakeup_locked(inp->sctp_socket); 7303 } else { 7304 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7305 } 7306 } 7307 } 7308 SCTP_INP_WUNLOCK(inp); 7309 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7310 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7311 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7312 } else { 7313 SCTP_TCB_UNLOCK(stcb); 7314 } 7315 switch (store.sa.sa_family) { 7316 #ifdef INET 7317 case AF_INET: 7318 { 7319 struct sockaddr_in *sin; 7320 7321 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7322 if (sin == NULL) 7323 return (ENOMEM); 7324 sin->sin_family = AF_INET; 7325 sin->sin_len = sizeof(*sin); 7326 sin->sin_port = store.sin.sin_port; 7327 sin->sin_addr = store.sin.sin_addr; 7328 *addr = (struct sockaddr *)sin; 7329 break; 7330 } 7331 #endif 7332 #ifdef INET6 7333 case AF_INET6: 7334 { 7335 struct sockaddr_in6 *sin6; 7336 7337 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7338 if (sin6 == NULL) 7339 return (ENOMEM); 7340 sin6->sin6_family = AF_INET6; 7341 sin6->sin6_len = sizeof(*sin6); 7342 sin6->sin6_port = store.sin6.sin6_port; 7343 sin6->sin6_addr = store.sin6.sin6_addr; 7344 if ((error = sa6_recoverscope(sin6)) != 0) { 7345 SCTP_FREE_SONAME(sin6); 7346 return (error); 7347 } 7348 *addr = (struct sockaddr *)sin6; 7349 break; 7350 } 7351 #endif 7352 default: 7353 /* TSNH */ 7354 break; 7355 } 7356 return (0); 7357 } 7358 7359 #ifdef INET 7360 int 7361 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7362 { 7363 struct sockaddr_in *sin; 7364 uint32_t vrf_id; 7365 struct sctp_inpcb *inp; 7366 struct sctp_ifa *sctp_ifa; 7367 7368 /* 7369 * Do the malloc first in case it blocks. 7370 */ 7371 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7372 if (sin == NULL) 7373 return (ENOMEM); 7374 sin->sin_family = AF_INET; 7375 sin->sin_len = sizeof(*sin); 7376 inp = (struct sctp_inpcb *)so->so_pcb; 7377 if (!inp) { 7378 SCTP_FREE_SONAME(sin); 7379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7380 return (ECONNRESET); 7381 } 7382 SCTP_INP_RLOCK(inp); 7383 sin->sin_port = inp->sctp_lport; 7384 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7385 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7386 struct sctp_tcb *stcb; 7387 struct sockaddr_in *sin_a; 7388 struct sctp_nets *net; 7389 int fnd; 7390 7391 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7392 if (stcb == NULL) { 7393 goto notConn; 7394 } 7395 fnd = 0; 7396 sin_a = NULL; 7397 SCTP_TCB_LOCK(stcb); 7398 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7399 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7400 if (sin_a == NULL) 7401 /* this will make coverity happy */ 7402 continue; 7403 7404 if (sin_a->sin_family == AF_INET) { 7405 fnd = 1; 7406 break; 7407 } 7408 } 7409 if ((!fnd) || (sin_a == NULL)) { 7410 /* punt */ 7411 SCTP_TCB_UNLOCK(stcb); 7412 goto notConn; 7413 } 7414 7415 vrf_id = inp->def_vrf_id; 7416 sctp_ifa = sctp_source_address_selection(inp, 7417 stcb, 7418 (sctp_route_t *)&net->ro, 7419 net, 0, vrf_id); 7420 if (sctp_ifa) { 7421 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7422 sctp_free_ifa(sctp_ifa); 7423 } 7424 SCTP_TCB_UNLOCK(stcb); 7425 } else { 7426 /* For the bound all case you get back 0 */ 7427 notConn: 7428 sin->sin_addr.s_addr = 0; 7429 } 7430 7431 } else { 7432 /* Take the first IPv4 address in the list */ 7433 struct sctp_laddr *laddr; 7434 int fnd = 0; 7435 7436 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7437 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7438 struct sockaddr_in *sin_a; 7439 7440 sin_a = &laddr->ifa->address.sin; 7441 sin->sin_addr = sin_a->sin_addr; 7442 fnd = 1; 7443 break; 7444 } 7445 } 7446 if (!fnd) { 7447 SCTP_FREE_SONAME(sin); 7448 SCTP_INP_RUNLOCK(inp); 7449 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7450 return (ENOENT); 7451 } 7452 } 7453 SCTP_INP_RUNLOCK(inp); 7454 (*addr) = (struct sockaddr *)sin; 7455 return (0); 7456 } 7457 7458 int 7459 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7460 { 7461 struct sockaddr_in *sin; 7462 int fnd; 7463 struct sockaddr_in *sin_a; 7464 struct sctp_inpcb *inp; 7465 struct sctp_tcb *stcb; 7466 struct sctp_nets *net; 7467 7468 /* Do the malloc first in case it blocks. */ 7469 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7470 if (sin == NULL) 7471 return (ENOMEM); 7472 sin->sin_family = AF_INET; 7473 sin->sin_len = sizeof(*sin); 7474 7475 inp = (struct sctp_inpcb *)so->so_pcb; 7476 if ((inp == NULL) || 7477 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7478 /* UDP type and listeners will drop out here */ 7479 SCTP_FREE_SONAME(sin); 7480 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7481 return (ENOTCONN); 7482 } 7483 SCTP_INP_RLOCK(inp); 7484 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7485 if (stcb) { 7486 SCTP_TCB_LOCK(stcb); 7487 } 7488 SCTP_INP_RUNLOCK(inp); 7489 if (stcb == NULL) { 7490 SCTP_FREE_SONAME(sin); 7491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7492 return (ECONNRESET); 7493 } 7494 fnd = 0; 7495 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7496 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7497 if (sin_a->sin_family == AF_INET) { 7498 fnd = 1; 7499 sin->sin_port = stcb->rport; 7500 sin->sin_addr = sin_a->sin_addr; 7501 break; 7502 } 7503 } 7504 SCTP_TCB_UNLOCK(stcb); 7505 if (!fnd) { 7506 /* No IPv4 address */ 7507 SCTP_FREE_SONAME(sin); 7508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7509 return (ENOENT); 7510 } 7511 (*addr) = (struct sockaddr *)sin; 7512 return (0); 7513 } 7514 7515 #define SCTP_PROTOSW \ 7516 .pr_protocol = IPPROTO_SCTP, \ 7517 .pr_ctloutput = sctp_ctloutput, \ 7518 .pr_abort = sctp_abort, \ 7519 .pr_accept = sctp_accept, \ 7520 .pr_attach = sctp_attach, \ 7521 .pr_bind = sctp_bind, \ 7522 .pr_connect = sctp_connect, \ 7523 .pr_control = in_control, \ 7524 .pr_close = sctp_close, \ 7525 .pr_detach = sctp_close, \ 7526 .pr_sopoll = sopoll_generic, \ 7527 .pr_flush = sctp_flush, \ 7528 .pr_disconnect = sctp_disconnect, \ 7529 .pr_listen = sctp_listen, \ 7530 .pr_peeraddr = sctp_peeraddr, \ 7531 .pr_send = sctp_sendm, \ 7532 .pr_shutdown = sctp_shutdown, \ 7533 .pr_sockaddr = sctp_ingetaddr, \ 7534 .pr_sosend = sctp_sosend, \ 7535 .pr_soreceive = sctp_soreceive \ 7536 7537 struct protosw sctp_seqpacket_protosw = { 7538 .pr_type = SOCK_SEQPACKET, 7539 .pr_flags = PR_WANTRCVD, 7540 SCTP_PROTOSW 7541 }; 7542 7543 struct protosw sctp_stream_protosw = { 7544 .pr_type = SOCK_STREAM, 7545 .pr_flags = PR_CONNREQUIRED | PR_WANTRCVD, 7546 SCTP_PROTOSW 7547 }; 7548 #endif 7549