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 __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 VNET_SYSINIT(sctp_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_THIRD, sctp_init, NULL); 95 96 #ifdef VIMAGE 97 static void 98 sctp_finish(void *unused __unused) 99 { 100 EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag)); 101 sctp_pcb_finish(); 102 } 103 104 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 105 #endif 106 107 void 108 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint32_t mtu, bool resend) 109 { 110 struct sctp_association *asoc; 111 struct sctp_tmit_chunk *chk; 112 uint32_t overhead; 113 114 asoc = &stcb->asoc; 115 KASSERT(mtu < asoc->smallest_mtu, 116 ("Currently only reducing association MTU %u supported (MTU %u)", 117 asoc->smallest_mtu, mtu)); 118 asoc->smallest_mtu = mtu; 119 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 120 overhead = SCTP_MIN_OVERHEAD; 121 } else { 122 overhead = SCTP_MIN_V4_OVERHEAD; 123 } 124 if (asoc->idata_supported) { 125 if (sctp_auth_is_required_chunk(SCTP_IDATA, asoc->peer_auth_chunks)) { 126 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 127 } 128 } else { 129 if (sctp_auth_is_required_chunk(SCTP_DATA, asoc->peer_auth_chunks)) { 130 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 131 } 132 } 133 KASSERT(overhead % 4 == 0, 134 ("overhead (%u) not a multiple of 4", overhead)); 135 TAILQ_FOREACH(chk, &asoc->send_queue, sctp_next) { 136 if (((uint32_t)chk->send_size + overhead) > mtu) { 137 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 138 } 139 } 140 TAILQ_FOREACH(chk, &asoc->sent_queue, sctp_next) { 141 if (((uint32_t)chk->send_size + overhead) > mtu) { 142 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 143 if (resend && chk->sent < SCTP_DATAGRAM_RESEND) { 144 /* 145 * If requested, mark the chunk for 146 * immediate resend, since we sent it being 147 * too big. 148 */ 149 sctp_flight_size_decrease(chk); 150 sctp_total_flight_decrease(stcb, chk); 151 chk->sent = SCTP_DATAGRAM_RESEND; 152 sctp_ucount_incr(asoc->sent_queue_retran_cnt); 153 chk->rec.data.doing_fast_retransmit = 0; 154 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 155 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 156 chk->whoTo->flight_size, 157 chk->book_size, 158 (uint32_t)(uintptr_t)chk->whoTo, 159 chk->rec.data.tsn); 160 } 161 /* Clear any time, so NO RTT is being done. */ 162 if (chk->do_rtt == 1) { 163 chk->do_rtt = 0; 164 chk->whoTo->rto_needed = 1; 165 } 166 } 167 } 168 } 169 } 170 171 #ifdef INET 172 void 173 sctp_notify(struct sctp_inpcb *inp, 174 struct sctp_tcb *stcb, 175 struct sctp_nets *net, 176 uint8_t icmp_type, 177 uint8_t icmp_code, 178 uint16_t ip_len, 179 uint32_t next_mtu) 180 { 181 int timer_stopped; 182 183 if (icmp_type != ICMP_UNREACH) { 184 /* We only care about unreachable */ 185 SCTP_TCB_UNLOCK(stcb); 186 return; 187 } 188 if ((icmp_code == ICMP_UNREACH_NET) || 189 (icmp_code == ICMP_UNREACH_HOST) || 190 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 191 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 192 (icmp_code == ICMP_UNREACH_ISOLATED) || 193 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 194 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 195 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 196 /* Mark the net unreachable. */ 197 if (net->dest_state & SCTP_ADDR_REACHABLE) { 198 /* OK, that destination is NOT reachable. */ 199 net->dest_state &= ~SCTP_ADDR_REACHABLE; 200 net->dest_state &= ~SCTP_ADDR_PF; 201 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 202 stcb, 0, 203 (void *)net, SCTP_SO_NOT_LOCKED); 204 } 205 SCTP_TCB_UNLOCK(stcb); 206 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 207 (icmp_code == ICMP_UNREACH_PORT)) { 208 /* Treat it like an ABORT. */ 209 sctp_abort_notification(stcb, true, false, 0, NULL, SCTP_SO_NOT_LOCKED); 210 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 211 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 212 /* no need to unlock here, since the TCB is gone */ 213 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 214 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 215 SCTP_TCB_UNLOCK(stcb); 216 return; 217 } 218 /* Find the next (smaller) MTU */ 219 if (next_mtu == 0) { 220 /* 221 * Old type router that does not tell us what the 222 * next MTU is. Rats we will have to guess (in a 223 * educated fashion of course). 224 */ 225 next_mtu = sctp_get_prev_mtu(ip_len); 226 } 227 /* Stop the PMTU timer. */ 228 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 229 timer_stopped = 1; 230 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 231 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 232 } else { 233 timer_stopped = 0; 234 } 235 /* Update the path MTU. */ 236 if (net->port) { 237 next_mtu -= sizeof(struct udphdr); 238 } 239 if (net->mtu > next_mtu) { 240 net->mtu = next_mtu; 241 if (net->port) { 242 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 243 } else { 244 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 245 } 246 } 247 /* Update the association MTU */ 248 if (stcb->asoc.smallest_mtu > next_mtu) { 249 sctp_pathmtu_adjustment(stcb, next_mtu, true); 250 } 251 /* Finally, start the PMTU timer if it was running before. */ 252 if (timer_stopped) { 253 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 254 } 255 SCTP_TCB_UNLOCK(stcb); 256 } else { 257 SCTP_TCB_UNLOCK(stcb); 258 } 259 } 260 261 void 262 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 263 { 264 struct ip *outer_ip; 265 struct ip *inner_ip; 266 struct sctphdr *sh; 267 struct icmp *icmp; 268 struct sctp_inpcb *inp; 269 struct sctp_tcb *stcb; 270 struct sctp_nets *net; 271 struct sctp_init_chunk *ch; 272 struct sockaddr_in src, dst; 273 274 if (sa->sa_family != AF_INET || 275 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 276 return; 277 } 278 if (PRC_IS_REDIRECT(cmd)) { 279 vip = NULL; 280 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 281 return; 282 } 283 if (vip != NULL) { 284 inner_ip = (struct ip *)vip; 285 icmp = (struct icmp *)((caddr_t)inner_ip - 286 (sizeof(struct icmp) - sizeof(struct ip))); 287 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 288 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 289 memset(&src, 0, sizeof(struct sockaddr_in)); 290 src.sin_family = AF_INET; 291 src.sin_len = sizeof(struct sockaddr_in); 292 src.sin_port = sh->src_port; 293 src.sin_addr = inner_ip->ip_src; 294 memset(&dst, 0, sizeof(struct sockaddr_in)); 295 dst.sin_family = AF_INET; 296 dst.sin_len = sizeof(struct sockaddr_in); 297 dst.sin_port = sh->dest_port; 298 dst.sin_addr = inner_ip->ip_dst; 299 /* 300 * 'dst' holds the dest of the packet that failed to be 301 * sent. 'src' holds our local endpoint address. Thus we 302 * reverse the dst and the src in the lookup. 303 */ 304 inp = NULL; 305 net = NULL; 306 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 307 (struct sockaddr *)&src, 308 &inp, &net, 1, 309 SCTP_DEFAULT_VRFID); 310 if ((stcb != NULL) && 311 (net != NULL) && 312 (inp != NULL)) { 313 /* Check the verification tag */ 314 if (ntohl(sh->v_tag) != 0) { 315 /* 316 * This must be the verification tag used 317 * for sending out packets. We don't 318 * consider packets reflecting the 319 * verification tag. 320 */ 321 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 322 SCTP_TCB_UNLOCK(stcb); 323 return; 324 } 325 } else { 326 if (ntohs(outer_ip->ip_len) >= 327 sizeof(struct ip) + 328 8 + (inner_ip->ip_hl << 2) + 20) { 329 /* 330 * In this case we can check if we 331 * got an INIT chunk and if the 332 * initiate tag matches. 333 */ 334 ch = (struct sctp_init_chunk *)(sh + 1); 335 if ((ch->ch.chunk_type != SCTP_INITIATION) || 336 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 337 SCTP_TCB_UNLOCK(stcb); 338 return; 339 } 340 } else { 341 SCTP_TCB_UNLOCK(stcb); 342 return; 343 } 344 } 345 sctp_notify(inp, stcb, net, 346 icmp->icmp_type, 347 icmp->icmp_code, 348 ntohs(inner_ip->ip_len), 349 (uint32_t)ntohs(icmp->icmp_nextmtu)); 350 } else { 351 if ((stcb == NULL) && (inp != NULL)) { 352 /* reduce ref-count */ 353 SCTP_INP_WLOCK(inp); 354 SCTP_INP_DECR_REF(inp); 355 SCTP_INP_WUNLOCK(inp); 356 } 357 if (stcb) { 358 SCTP_TCB_UNLOCK(stcb); 359 } 360 } 361 } 362 return; 363 } 364 #endif 365 366 static int 367 sctp_getcred(SYSCTL_HANDLER_ARGS) 368 { 369 struct xucred xuc; 370 struct sockaddr_in addrs[2]; 371 struct sctp_inpcb *inp; 372 struct sctp_nets *net; 373 struct sctp_tcb *stcb; 374 int error; 375 uint32_t vrf_id; 376 377 /* FIX, for non-bsd is this right? */ 378 vrf_id = SCTP_DEFAULT_VRFID; 379 380 error = priv_check(req->td, PRIV_NETINET_GETCRED); 381 382 if (error) 383 return (error); 384 385 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 386 if (error) 387 return (error); 388 389 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 390 sintosa(&addrs[0]), 391 &inp, &net, 1, vrf_id); 392 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 393 if ((inp != NULL) && (stcb == NULL)) { 394 /* reduce ref-count */ 395 SCTP_INP_WLOCK(inp); 396 SCTP_INP_DECR_REF(inp); 397 goto cred_can_cont; 398 } 399 400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 401 error = ENOENT; 402 goto out; 403 } 404 SCTP_TCB_UNLOCK(stcb); 405 /* 406 * We use the write lock here, only since in the error leg we need 407 * it. If we used RLOCK, then we would have to 408 * wlock/decr/unlock/rlock. Which in theory could create a hole. 409 * Better to use higher wlock. 410 */ 411 SCTP_INP_WLOCK(inp); 412 cred_can_cont: 413 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 414 if (error) { 415 SCTP_INP_WUNLOCK(inp); 416 goto out; 417 } 418 cru2x(inp->sctp_socket->so_cred, &xuc); 419 SCTP_INP_WUNLOCK(inp); 420 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 421 out: 422 return (error); 423 } 424 425 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 426 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 427 0, 0, sctp_getcred, "S,ucred", 428 "Get the ucred of a SCTP connection"); 429 430 #ifdef INET 431 static void 432 sctp_abort(struct socket *so) 433 { 434 struct epoch_tracker et; 435 struct sctp_inpcb *inp; 436 437 inp = (struct sctp_inpcb *)so->so_pcb; 438 if (inp == NULL) { 439 return; 440 } 441 442 SCTP_INP_WLOCK(inp); 443 NET_EPOCH_ENTER(et); 444 #ifdef SCTP_LOG_CLOSING 445 sctp_log_closing(inp, NULL, 17); 446 #endif 447 if (((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0)) { 448 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 449 #ifdef SCTP_LOG_CLOSING 450 sctp_log_closing(inp, NULL, 16); 451 #endif 452 SCTP_INP_WUNLOCK(inp); 453 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 454 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 455 SOCK_LOCK(so); 456 SCTP_SB_CLEAR(so->so_snd); 457 /* 458 * same for the rcv ones, they are only here for the 459 * accounting/select. 460 */ 461 SCTP_SB_CLEAR(so->so_rcv); 462 463 /* Now null out the reference, we are completely detached. */ 464 so->so_pcb = NULL; 465 SOCK_UNLOCK(so); 466 } else { 467 SCTP_INP_WUNLOCK(inp); 468 } 469 NET_EPOCH_EXIT(et); 470 } 471 472 static int 473 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 474 { 475 struct sctp_inpcb *inp; 476 struct inpcb *ip_inp; 477 int error; 478 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 479 480 inp = (struct sctp_inpcb *)so->so_pcb; 481 if (inp != NULL) { 482 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 483 return (EINVAL); 484 } 485 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 486 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 487 if (error) { 488 return (error); 489 } 490 } 491 error = sctp_inpcb_alloc(so, vrf_id); 492 if (error) { 493 return (error); 494 } 495 inp = (struct sctp_inpcb *)so->so_pcb; 496 SCTP_INP_WLOCK(inp); 497 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 498 ip_inp = &inp->ip_inp.inp; 499 ip_inp->inp_vflag |= INP_IPV4; 500 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 501 SCTP_INP_WUNLOCK(inp); 502 return (0); 503 } 504 505 static int 506 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 507 { 508 struct sctp_inpcb *inp; 509 510 inp = (struct sctp_inpcb *)so->so_pcb; 511 if (inp == NULL) { 512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 513 return (EINVAL); 514 } 515 if (addr != NULL) { 516 if ((addr->sa_family != AF_INET) || 517 (addr->sa_len != sizeof(struct sockaddr_in))) { 518 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 519 return (EINVAL); 520 } 521 } 522 return (sctp_inpcb_bind(so, addr, NULL, p)); 523 } 524 525 #endif 526 void 527 sctp_close(struct socket *so) 528 { 529 struct epoch_tracker et; 530 struct sctp_inpcb *inp; 531 532 inp = (struct sctp_inpcb *)so->so_pcb; 533 if (inp == NULL) 534 return; 535 536 /* 537 * Inform all the lower layer assoc that we are done. 538 */ 539 SCTP_INP_WLOCK(inp); 540 NET_EPOCH_ENTER(et); 541 #ifdef SCTP_LOG_CLOSING 542 sctp_log_closing(inp, NULL, 17); 543 #endif 544 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 545 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 546 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 547 (so->so_rcv.sb_cc > 0)) { 548 #ifdef SCTP_LOG_CLOSING 549 sctp_log_closing(inp, NULL, 13); 550 #endif 551 SCTP_INP_WUNLOCK(inp); 552 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 553 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 554 } else { 555 #ifdef SCTP_LOG_CLOSING 556 sctp_log_closing(inp, NULL, 14); 557 #endif 558 SCTP_INP_WUNLOCK(inp); 559 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 560 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 561 } 562 /* 563 * The socket is now detached, no matter what the state of 564 * the SCTP association. 565 */ 566 SOCK_LOCK(so); 567 SCTP_SB_CLEAR(so->so_snd); 568 /* 569 * same for the rcv ones, they are only here for the 570 * accounting/select. 571 */ 572 SCTP_SB_CLEAR(so->so_rcv); 573 574 /* Now null out the reference, we are completely detached. */ 575 so->so_pcb = NULL; 576 SOCK_UNLOCK(so); 577 } else { 578 SCTP_INP_WUNLOCK(inp); 579 } 580 NET_EPOCH_EXIT(et); 581 } 582 583 int 584 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 585 struct mbuf *control, struct thread *p); 586 587 int 588 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 589 struct mbuf *control, struct thread *p) 590 { 591 struct sctp_inpcb *inp; 592 int error; 593 594 inp = (struct sctp_inpcb *)so->so_pcb; 595 if (inp == NULL) { 596 if (control) { 597 sctp_m_freem(control); 598 control = NULL; 599 } 600 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 601 sctp_m_freem(m); 602 return (EINVAL); 603 } 604 /* Got to have an to address if we are NOT a connected socket */ 605 if ((addr == NULL) && 606 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 607 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 608 goto connected_type; 609 } 610 611 error = 0; 612 if (addr == NULL) { 613 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 614 error = EDESTADDRREQ; 615 } else if (addr->sa_family != AF_INET) { 616 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 617 error = EAFNOSUPPORT; 618 } else if (addr->sa_len != sizeof(struct sockaddr_in)) { 619 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 620 error = EINVAL; 621 } 622 if (error != 0) { 623 sctp_m_freem(m); 624 if (control) { 625 sctp_m_freem(control); 626 control = NULL; 627 } 628 return (error); 629 } 630 connected_type: 631 /* now what about control */ 632 if (control) { 633 if (inp->control) { 634 sctp_m_freem(inp->control); 635 inp->control = NULL; 636 } 637 inp->control = control; 638 } 639 /* Place the data */ 640 if (inp->pkt) { 641 SCTP_BUF_NEXT(inp->pkt_last) = m; 642 inp->pkt_last = m; 643 } else { 644 inp->pkt_last = inp->pkt = m; 645 } 646 if ( 647 /* FreeBSD uses a flag passed */ 648 ((flags & PRUS_MORETOCOME) == 0) 649 ) { 650 /* 651 * note with the current version this code will only be used 652 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 653 * re-defining sosend to use the sctp_sosend. One can 654 * optionally switch back to this code (by changing back the 655 * definitions) but this is not advisable. This code is used 656 * by FreeBSD when sending a file with sendfile() though. 657 */ 658 struct epoch_tracker et; 659 int ret; 660 661 NET_EPOCH_ENTER(et); 662 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 663 NET_EPOCH_EXIT(et); 664 inp->pkt = NULL; 665 inp->control = NULL; 666 return (ret); 667 } else { 668 return (0); 669 } 670 } 671 672 int 673 sctp_disconnect(struct socket *so) 674 { 675 struct sctp_inpcb *inp; 676 677 inp = (struct sctp_inpcb *)so->so_pcb; 678 if (inp == NULL) { 679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 680 return (ENOTCONN); 681 } 682 SCTP_INP_RLOCK(inp); 683 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 684 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 685 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 686 /* No connection */ 687 SCTP_INP_RUNLOCK(inp); 688 return (0); 689 } else { 690 struct epoch_tracker et; 691 struct sctp_association *asoc; 692 struct sctp_tcb *stcb; 693 694 stcb = LIST_FIRST(&inp->sctp_asoc_list); 695 if (stcb == NULL) { 696 SCTP_INP_RUNLOCK(inp); 697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 698 return (EINVAL); 699 } 700 SCTP_TCB_LOCK(stcb); 701 asoc = &stcb->asoc; 702 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 703 /* We are about to be freed, out of here */ 704 SCTP_TCB_UNLOCK(stcb); 705 SCTP_INP_RUNLOCK(inp); 706 return (0); 707 } 708 NET_EPOCH_ENTER(et); 709 if (((so->so_options & SO_LINGER) && 710 (so->so_linger == 0)) || 711 (so->so_rcv.sb_cc > 0)) { 712 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 713 /* Left with Data unread */ 714 struct mbuf *op_err; 715 716 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 717 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 718 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 719 } 720 SCTP_INP_RUNLOCK(inp); 721 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 722 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 723 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 724 } 725 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 726 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 727 /* No unlock tcb assoc is gone */ 728 NET_EPOCH_EXIT(et); 729 return (0); 730 } 731 if (TAILQ_EMPTY(&asoc->send_queue) && 732 TAILQ_EMPTY(&asoc->sent_queue) && 733 (asoc->stream_queue_cnt == 0)) { 734 /* there is nothing queued to send, so done */ 735 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 736 goto abort_anyway; 737 } 738 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 739 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 740 /* only send SHUTDOWN 1st time thru */ 741 struct sctp_nets *netp; 742 743 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 744 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 745 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 746 } 747 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 748 sctp_stop_timers_for_shutdown(stcb); 749 if (stcb->asoc.alternate) { 750 netp = stcb->asoc.alternate; 751 } else { 752 netp = stcb->asoc.primary_destination; 753 } 754 sctp_send_shutdown(stcb, netp); 755 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 756 stcb->sctp_ep, stcb, netp); 757 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 758 stcb->sctp_ep, stcb, NULL); 759 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 760 } 761 } else { 762 /* 763 * we still got (or just got) data to send, 764 * so set SHUTDOWN_PENDING 765 */ 766 /* 767 * XXX sockets draft says that SCTP_EOF 768 * should be sent with no data. currently, 769 * we will allow user data to be sent first 770 * and move to SHUTDOWN-PENDING 771 */ 772 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 773 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 774 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 775 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 776 } 777 if (TAILQ_EMPTY(&asoc->send_queue) && 778 TAILQ_EMPTY(&asoc->sent_queue) && 779 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 780 struct mbuf *op_err; 781 782 abort_anyway: 783 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 784 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 785 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 786 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 787 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 788 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 789 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 790 } 791 SCTP_INP_RUNLOCK(inp); 792 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 793 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 794 NET_EPOCH_EXIT(et); 795 return (0); 796 } else { 797 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 798 } 799 } 800 soisdisconnecting(so); 801 NET_EPOCH_EXIT(et); 802 SCTP_TCB_UNLOCK(stcb); 803 SCTP_INP_RUNLOCK(inp); 804 return (0); 805 } 806 /* not reached */ 807 } else { 808 /* UDP model does not support this */ 809 SCTP_INP_RUNLOCK(inp); 810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 811 return (EOPNOTSUPP); 812 } 813 } 814 815 int 816 sctp_flush(struct socket *so, int how) 817 { 818 /* 819 * We will just clear out the values and let subsequent close clear 820 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 821 * they will not be able to read the data, the socket will block 822 * that from happening. 823 */ 824 struct sctp_inpcb *inp; 825 826 inp = (struct sctp_inpcb *)so->so_pcb; 827 if (inp == NULL) { 828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 829 return (EINVAL); 830 } 831 SCTP_INP_RLOCK(inp); 832 /* For the 1 to many model this does nothing */ 833 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 834 SCTP_INP_RUNLOCK(inp); 835 return (0); 836 } 837 SCTP_INP_RUNLOCK(inp); 838 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 839 /* 840 * First make sure the sb will be happy, we don't use these 841 * except maybe the count 842 */ 843 SCTP_INP_WLOCK(inp); 844 SCTP_INP_READ_LOCK(inp); 845 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 846 SCTP_INP_READ_UNLOCK(inp); 847 SCTP_INP_WUNLOCK(inp); 848 so->so_rcv.sb_cc = 0; 849 so->so_rcv.sb_mbcnt = 0; 850 so->so_rcv.sb_mb = NULL; 851 } 852 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 853 /* 854 * First make sure the sb will be happy, we don't use these 855 * except maybe the count 856 */ 857 so->so_snd.sb_cc = 0; 858 so->so_snd.sb_mbcnt = 0; 859 so->so_snd.sb_mb = NULL; 860 } 861 return (0); 862 } 863 864 int 865 sctp_shutdown(struct socket *so) 866 { 867 struct sctp_inpcb *inp; 868 869 inp = (struct sctp_inpcb *)so->so_pcb; 870 if (inp == NULL) { 871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 872 return (EINVAL); 873 } 874 SCTP_INP_RLOCK(inp); 875 /* For UDP model this is a invalid call */ 876 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 877 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 878 /* Restore the flags that the soshutdown took away. */ 879 SOCKBUF_LOCK(&so->so_rcv); 880 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 881 SOCKBUF_UNLOCK(&so->so_rcv); 882 /* This proc will wakeup for read and do nothing (I hope) */ 883 SCTP_INP_RUNLOCK(inp); 884 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 885 return (EOPNOTSUPP); 886 } else { 887 /* 888 * Ok, if we reach here its the TCP model and it is either a 889 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 890 * against it. 891 */ 892 struct epoch_tracker et; 893 struct sctp_tcb *stcb; 894 struct sctp_association *asoc; 895 struct sctp_nets *netp; 896 897 if ((so->so_state & 898 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 899 SCTP_INP_RUNLOCK(inp); 900 return (ENOTCONN); 901 } 902 socantsendmore(so); 903 904 stcb = LIST_FIRST(&inp->sctp_asoc_list); 905 if (stcb == NULL) { 906 /* 907 * Ok, we hit the case that the shutdown call was 908 * made after an abort or something. Nothing to do 909 * now. 910 */ 911 SCTP_INP_RUNLOCK(inp); 912 return (0); 913 } 914 SCTP_TCB_LOCK(stcb); 915 asoc = &stcb->asoc; 916 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 917 SCTP_TCB_UNLOCK(stcb); 918 SCTP_INP_RUNLOCK(inp); 919 return (0); 920 } 921 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 922 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 923 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 924 /* 925 * If we are not in or before ESTABLISHED, there is 926 * no protocol action required. 927 */ 928 SCTP_TCB_UNLOCK(stcb); 929 SCTP_INP_RUNLOCK(inp); 930 return (0); 931 } 932 NET_EPOCH_ENTER(et); 933 if (stcb->asoc.alternate) { 934 netp = stcb->asoc.alternate; 935 } else { 936 netp = stcb->asoc.primary_destination; 937 } 938 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 939 TAILQ_EMPTY(&asoc->send_queue) && 940 TAILQ_EMPTY(&asoc->sent_queue) && 941 (asoc->stream_queue_cnt == 0)) { 942 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 943 goto abort_anyway; 944 } 945 /* there is nothing queued to send, so I'm done... */ 946 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 947 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 948 sctp_stop_timers_for_shutdown(stcb); 949 sctp_send_shutdown(stcb, netp); 950 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 951 stcb->sctp_ep, stcb, netp); 952 } else { 953 /* 954 * We still got (or just got) data to send, so set 955 * SHUTDOWN_PENDING. 956 */ 957 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 958 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 959 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 960 } 961 if (TAILQ_EMPTY(&asoc->send_queue) && 962 TAILQ_EMPTY(&asoc->sent_queue) && 963 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 964 struct mbuf *op_err; 965 966 abort_anyway: 967 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 968 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 969 SCTP_INP_RUNLOCK(inp); 970 sctp_abort_an_association(stcb->sctp_ep, stcb, 971 op_err, false, SCTP_SO_LOCKED); 972 NET_EPOCH_EXIT(et); 973 return (0); 974 } 975 } 976 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 977 /* 978 * XXX: Why do this in the case where we have still data 979 * queued? 980 */ 981 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 982 SCTP_TCB_UNLOCK(stcb); 983 SCTP_INP_RUNLOCK(inp); 984 NET_EPOCH_EXIT(et); 985 return (0); 986 } 987 } 988 989 /* 990 * copies a "user" presentable address and removes embedded scope, etc. 991 * returns 0 on success, 1 on error 992 */ 993 static uint32_t 994 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 995 { 996 #ifdef INET6 997 struct sockaddr_in6 lsa6; 998 999 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 1000 &lsa6); 1001 #endif 1002 memcpy(dst, src, src->sa_len); 1003 return (0); 1004 } 1005 1006 static size_t 1007 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1008 struct sctp_tcb *stcb, 1009 size_t limit, 1010 struct sockaddr *addr, 1011 uint32_t vrf_id) 1012 { 1013 struct sctp_ifn *sctp_ifn; 1014 struct sctp_ifa *sctp_ifa; 1015 size_t actual; 1016 int loopback_scope; 1017 #if defined(INET) 1018 int ipv4_local_scope, ipv4_addr_legal; 1019 #endif 1020 #if defined(INET6) 1021 int local_scope, site_scope, ipv6_addr_legal; 1022 #endif 1023 struct sctp_vrf *vrf; 1024 1025 SCTP_IPI_ADDR_LOCK_ASSERT(); 1026 actual = 0; 1027 if (limit == 0) 1028 return (actual); 1029 1030 if (stcb) { 1031 /* Turn on all the appropriate scope */ 1032 loopback_scope = stcb->asoc.scope.loopback_scope; 1033 #if defined(INET) 1034 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1035 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1036 #endif 1037 #if defined(INET6) 1038 local_scope = stcb->asoc.scope.local_scope; 1039 site_scope = stcb->asoc.scope.site_scope; 1040 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1041 #endif 1042 } else { 1043 /* Use generic values for endpoints. */ 1044 loopback_scope = 1; 1045 #if defined(INET) 1046 ipv4_local_scope = 1; 1047 #endif 1048 #if defined(INET6) 1049 local_scope = 1; 1050 site_scope = 1; 1051 #endif 1052 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1053 #if defined(INET6) 1054 ipv6_addr_legal = 1; 1055 #endif 1056 #if defined(INET) 1057 if (SCTP_IPV6_V6ONLY(inp)) { 1058 ipv4_addr_legal = 0; 1059 } else { 1060 ipv4_addr_legal = 1; 1061 } 1062 #endif 1063 } else { 1064 #if defined(INET6) 1065 ipv6_addr_legal = 0; 1066 #endif 1067 #if defined(INET) 1068 ipv4_addr_legal = 1; 1069 #endif 1070 } 1071 } 1072 vrf = sctp_find_vrf(vrf_id); 1073 if (vrf == NULL) { 1074 return (0); 1075 } 1076 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1077 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1078 if ((loopback_scope == 0) && 1079 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1080 /* Skip loopback if loopback_scope not set */ 1081 continue; 1082 } 1083 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1084 if (stcb) { 1085 /* 1086 * For the BOUND-ALL case, the list 1087 * associated with a TCB is Always 1088 * considered a reverse list.. i.e. 1089 * it lists addresses that are NOT 1090 * part of the association. If this 1091 * is one of those we must skip it. 1092 */ 1093 if (sctp_is_addr_restricted(stcb, 1094 sctp_ifa)) { 1095 continue; 1096 } 1097 } 1098 switch (sctp_ifa->address.sa.sa_family) { 1099 #ifdef INET 1100 case AF_INET: 1101 if (ipv4_addr_legal) { 1102 struct sockaddr_in *sin; 1103 1104 sin = &sctp_ifa->address.sin; 1105 if (sin->sin_addr.s_addr == 0) { 1106 /* 1107 * we skip 1108 * unspecifed 1109 * addresses 1110 */ 1111 continue; 1112 } 1113 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1114 &sin->sin_addr) != 0) { 1115 continue; 1116 } 1117 if ((ipv4_local_scope == 0) && 1118 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1119 continue; 1120 } 1121 #ifdef INET6 1122 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1123 if (actual + sizeof(struct sockaddr_in6) > limit) { 1124 return (actual); 1125 } 1126 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr); 1127 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1128 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1129 actual += sizeof(struct sockaddr_in6); 1130 } else { 1131 #endif 1132 if (actual + sizeof(struct sockaddr_in) > limit) { 1133 return (actual); 1134 } 1135 memcpy(addr, sin, sizeof(struct sockaddr_in)); 1136 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1137 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); 1138 actual += sizeof(struct sockaddr_in); 1139 #ifdef INET6 1140 } 1141 #endif 1142 } else { 1143 continue; 1144 } 1145 break; 1146 #endif 1147 #ifdef INET6 1148 case AF_INET6: 1149 if (ipv6_addr_legal) { 1150 struct sockaddr_in6 *sin6; 1151 1152 sin6 = &sctp_ifa->address.sin6; 1153 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1154 /* 1155 * we skip 1156 * unspecifed 1157 * addresses 1158 */ 1159 continue; 1160 } 1161 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1162 &sin6->sin6_addr) != 0) { 1163 continue; 1164 } 1165 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1166 if (local_scope == 0) 1167 continue; 1168 if (sin6->sin6_scope_id == 0) { 1169 if (sa6_recoverscope(sin6) != 0) 1170 /* 1171 * 1172 * bad 1173 * link 1174 * 1175 * local 1176 * 1177 * address 1178 */ 1179 continue; 1180 } 1181 } 1182 if ((site_scope == 0) && 1183 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1184 continue; 1185 } 1186 if (actual + sizeof(struct sockaddr_in6) > limit) { 1187 return (actual); 1188 } 1189 memcpy(addr, sin6, sizeof(struct sockaddr_in6)); 1190 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1191 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1192 actual += sizeof(struct sockaddr_in6); 1193 } else { 1194 continue; 1195 } 1196 break; 1197 #endif 1198 default: 1199 /* TSNH */ 1200 break; 1201 } 1202 } 1203 } 1204 } else { 1205 struct sctp_laddr *laddr; 1206 size_t sa_len; 1207 1208 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1209 if (stcb) { 1210 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1211 continue; 1212 } 1213 } 1214 sa_len = laddr->ifa->address.sa.sa_len; 1215 if (actual + sa_len > limit) { 1216 return (actual); 1217 } 1218 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) 1219 continue; 1220 switch (laddr->ifa->address.sa.sa_family) { 1221 #ifdef INET 1222 case AF_INET: 1223 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1224 break; 1225 #endif 1226 #ifdef INET6 1227 case AF_INET6: 1228 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1229 break; 1230 #endif 1231 default: 1232 /* TSNH */ 1233 break; 1234 } 1235 addr = (struct sockaddr *)((caddr_t)addr + sa_len); 1236 actual += sa_len; 1237 } 1238 } 1239 return (actual); 1240 } 1241 1242 static size_t 1243 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1244 struct sctp_tcb *stcb, 1245 size_t limit, 1246 struct sockaddr *addr) 1247 { 1248 size_t size; 1249 1250 SCTP_IPI_ADDR_RLOCK(); 1251 /* fill up addresses for the endpoint's default vrf */ 1252 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, 1253 inp->def_vrf_id); 1254 SCTP_IPI_ADDR_RUNLOCK(); 1255 return (size); 1256 } 1257 1258 static size_t 1259 sctp_max_size_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1260 { 1261 struct sctp_vrf *vrf; 1262 size_t size; 1263 1264 /* 1265 * In both sub-set bound an bound_all cases we return the size of 1266 * the maximum number of addresses that you could get. In reality 1267 * the sub-set bound may have an exclusion list for a given TCB or 1268 * in the bound-all case a TCB may NOT include the loopback or other 1269 * addresses as well. 1270 */ 1271 SCTP_IPI_ADDR_LOCK_ASSERT(); 1272 vrf = sctp_find_vrf(vrf_id); 1273 if (vrf == NULL) { 1274 return (0); 1275 } 1276 size = 0; 1277 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1278 struct sctp_ifn *sctp_ifn; 1279 struct sctp_ifa *sctp_ifa; 1280 1281 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1282 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1283 /* Count them if they are the right type */ 1284 switch (sctp_ifa->address.sa.sa_family) { 1285 #ifdef INET 1286 case AF_INET: 1287 #ifdef INET6 1288 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1289 size += sizeof(struct sockaddr_in6); 1290 else 1291 size += sizeof(struct sockaddr_in); 1292 #else 1293 size += sizeof(struct sockaddr_in); 1294 #endif 1295 break; 1296 #endif 1297 #ifdef INET6 1298 case AF_INET6: 1299 size += sizeof(struct sockaddr_in6); 1300 break; 1301 #endif 1302 default: 1303 break; 1304 } 1305 } 1306 } 1307 } else { 1308 struct sctp_laddr *laddr; 1309 1310 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1311 switch (laddr->ifa->address.sa.sa_family) { 1312 #ifdef INET 1313 case AF_INET: 1314 #ifdef INET6 1315 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1316 size += sizeof(struct sockaddr_in6); 1317 else 1318 size += sizeof(struct sockaddr_in); 1319 #else 1320 size += sizeof(struct sockaddr_in); 1321 #endif 1322 break; 1323 #endif 1324 #ifdef INET6 1325 case AF_INET6: 1326 size += sizeof(struct sockaddr_in6); 1327 break; 1328 #endif 1329 default: 1330 break; 1331 } 1332 } 1333 } 1334 return (size); 1335 } 1336 1337 static size_t 1338 sctp_max_size_addresses(struct sctp_inpcb *inp) 1339 { 1340 size_t size; 1341 1342 SCTP_IPI_ADDR_RLOCK(); 1343 /* Maximum size of all addresses for the endpoint's default VRF */ 1344 size = sctp_max_size_addresses_vrf(inp, inp->def_vrf_id); 1345 SCTP_IPI_ADDR_RUNLOCK(); 1346 return (size); 1347 } 1348 1349 static int 1350 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1351 size_t optsize, void *p, int delay) 1352 { 1353 int error; 1354 int creat_lock_on = 0; 1355 struct sctp_tcb *stcb = NULL; 1356 struct sockaddr *sa; 1357 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1358 uint32_t vrf_id; 1359 sctp_assoc_t *a_id; 1360 1361 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1362 1363 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1364 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1365 /* We are already connected AND the TCP model */ 1366 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1367 return (EADDRINUSE); 1368 } 1369 1370 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1371 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1372 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1373 return (EINVAL); 1374 } 1375 1376 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1377 SCTP_INP_RLOCK(inp); 1378 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1379 SCTP_INP_RUNLOCK(inp); 1380 } 1381 if (stcb) { 1382 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1383 return (EALREADY); 1384 } 1385 SCTP_INP_INCR_REF(inp); 1386 SCTP_ASOC_CREATE_LOCK(inp); 1387 creat_lock_on = 1; 1388 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1389 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1390 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1391 error = EFAULT; 1392 goto out_now; 1393 } 1394 totaddrp = (unsigned int *)optval; 1395 totaddr = *totaddrp; 1396 sa = (struct sockaddr *)(totaddrp + 1); 1397 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1398 if (error != 0) { 1399 /* Already have or am bring up an association */ 1400 SCTP_ASOC_CREATE_UNLOCK(inp); 1401 creat_lock_on = 0; 1402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1403 goto out_now; 1404 } 1405 #ifdef INET6 1406 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1407 (num_v6 > 0)) { 1408 error = EINVAL; 1409 goto out_now; 1410 } 1411 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1412 (num_v4 > 0)) { 1413 if (SCTP_IPV6_V6ONLY(inp)) { 1414 /* 1415 * if IPV6_V6ONLY flag, ignore connections destined 1416 * to a v4 addr or v4-mapped addr 1417 */ 1418 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1419 error = EINVAL; 1420 goto out_now; 1421 } 1422 } 1423 #endif /* INET6 */ 1424 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1425 SCTP_PCB_FLAGS_UNBOUND) { 1426 /* Bind a ephemeral port */ 1427 error = sctp_inpcb_bind(so, NULL, NULL, p); 1428 if (error) { 1429 goto out_now; 1430 } 1431 } 1432 1433 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1434 vrf_id = inp->def_vrf_id; 1435 1436 /* We are GOOD to go */ 1437 stcb = sctp_aloc_assoc_connected(inp, sa, &error, 0, 0, vrf_id, 1438 inp->sctp_ep.pre_open_stream_count, 1439 inp->sctp_ep.port, 1440 (struct thread *)p, 1441 SCTP_INITIALIZE_AUTH_PARAMS); 1442 if (stcb == NULL) { 1443 /* Gak! no memory */ 1444 goto out_now; 1445 } 1446 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1447 /* move to second address */ 1448 switch (sa->sa_family) { 1449 #ifdef INET 1450 case AF_INET: 1451 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1452 break; 1453 #endif 1454 #ifdef INET6 1455 case AF_INET6: 1456 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1457 break; 1458 #endif 1459 default: 1460 break; 1461 } 1462 1463 error = 0; 1464 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1465 /* Fill in the return id */ 1466 if (error) { 1467 goto out_now; 1468 } 1469 a_id = (sctp_assoc_t *)optval; 1470 *a_id = sctp_get_associd(stcb); 1471 1472 if (delay) { 1473 /* doing delayed connection */ 1474 stcb->asoc.delayed_connection = 1; 1475 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1476 } else { 1477 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1478 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1479 } 1480 SCTP_TCB_UNLOCK(stcb); 1481 out_now: 1482 if (creat_lock_on) { 1483 SCTP_ASOC_CREATE_UNLOCK(inp); 1484 } 1485 SCTP_INP_DECR_REF(inp); 1486 return (error); 1487 } 1488 1489 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1490 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1491 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1492 SCTP_INP_RLOCK(inp); \ 1493 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1494 if (stcb) { \ 1495 SCTP_TCB_LOCK(stcb); \ 1496 } \ 1497 SCTP_INP_RUNLOCK(inp); \ 1498 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1499 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1500 if (stcb == NULL) { \ 1501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1502 error = ENOENT; \ 1503 break; \ 1504 } \ 1505 } else { \ 1506 stcb = NULL; \ 1507 } \ 1508 } 1509 1510 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1511 if (size < sizeof(type)) { \ 1512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1513 error = EINVAL; \ 1514 break; \ 1515 } else { \ 1516 destp = (type *)srcp; \ 1517 } \ 1518 } 1519 1520 static int 1521 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1522 void *p) 1523 { 1524 struct sctp_inpcb *inp = NULL; 1525 int error, val = 0; 1526 struct sctp_tcb *stcb = NULL; 1527 1528 if (optval == NULL) { 1529 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1530 return (EINVAL); 1531 } 1532 1533 inp = (struct sctp_inpcb *)so->so_pcb; 1534 if (inp == NULL) { 1535 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1536 return EINVAL; 1537 } 1538 error = 0; 1539 1540 switch (optname) { 1541 case SCTP_NODELAY: 1542 case SCTP_AUTOCLOSE: 1543 case SCTP_EXPLICIT_EOR: 1544 case SCTP_AUTO_ASCONF: 1545 case SCTP_DISABLE_FRAGMENTS: 1546 case SCTP_I_WANT_MAPPED_V4_ADDR: 1547 case SCTP_USE_EXT_RCVINFO: 1548 SCTP_INP_RLOCK(inp); 1549 switch (optname) { 1550 case SCTP_DISABLE_FRAGMENTS: 1551 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1552 break; 1553 case SCTP_I_WANT_MAPPED_V4_ADDR: 1554 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1555 break; 1556 case SCTP_AUTO_ASCONF: 1557 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1558 /* only valid for bound all sockets */ 1559 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1560 } else { 1561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1562 error = EINVAL; 1563 goto flags_out; 1564 } 1565 break; 1566 case SCTP_EXPLICIT_EOR: 1567 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1568 break; 1569 case SCTP_NODELAY: 1570 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1571 break; 1572 case SCTP_USE_EXT_RCVINFO: 1573 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1574 break; 1575 case SCTP_AUTOCLOSE: 1576 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1577 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1578 else 1579 val = 0; 1580 break; 1581 1582 default: 1583 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1584 error = ENOPROTOOPT; 1585 } /* end switch (sopt->sopt_name) */ 1586 if (*optsize < sizeof(val)) { 1587 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1588 error = EINVAL; 1589 } 1590 flags_out: 1591 SCTP_INP_RUNLOCK(inp); 1592 if (error == 0) { 1593 /* return the option value */ 1594 *(int *)optval = val; 1595 *optsize = sizeof(val); 1596 } 1597 break; 1598 case SCTP_GET_PACKET_LOG: 1599 { 1600 #ifdef SCTP_PACKET_LOGGING 1601 uint8_t *target; 1602 int ret; 1603 1604 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1605 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1606 *optsize = ret; 1607 #else 1608 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1609 error = EOPNOTSUPP; 1610 #endif 1611 break; 1612 } 1613 case SCTP_REUSE_PORT: 1614 { 1615 uint32_t *value; 1616 1617 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1618 /* Can't do this for a 1-m socket */ 1619 error = EINVAL; 1620 break; 1621 } 1622 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1623 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1624 *optsize = sizeof(uint32_t); 1625 break; 1626 } 1627 case SCTP_PARTIAL_DELIVERY_POINT: 1628 { 1629 uint32_t *value; 1630 1631 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1632 *value = inp->partial_delivery_point; 1633 *optsize = sizeof(uint32_t); 1634 break; 1635 } 1636 case SCTP_FRAGMENT_INTERLEAVE: 1637 { 1638 uint32_t *value; 1639 1640 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1641 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1642 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1643 *value = SCTP_FRAG_LEVEL_2; 1644 } else { 1645 *value = SCTP_FRAG_LEVEL_1; 1646 } 1647 } else { 1648 *value = SCTP_FRAG_LEVEL_0; 1649 } 1650 *optsize = sizeof(uint32_t); 1651 break; 1652 } 1653 case SCTP_INTERLEAVING_SUPPORTED: 1654 { 1655 struct sctp_assoc_value *av; 1656 1657 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1658 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1659 1660 if (stcb) { 1661 av->assoc_value = stcb->asoc.idata_supported; 1662 SCTP_TCB_UNLOCK(stcb); 1663 } else { 1664 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1665 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1666 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1667 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1668 SCTP_INP_RLOCK(inp); 1669 if (inp->idata_supported) { 1670 av->assoc_value = 1; 1671 } else { 1672 av->assoc_value = 0; 1673 } 1674 SCTP_INP_RUNLOCK(inp); 1675 } else { 1676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1677 error = EINVAL; 1678 } 1679 } 1680 if (error == 0) { 1681 *optsize = sizeof(struct sctp_assoc_value); 1682 } 1683 break; 1684 } 1685 case SCTP_CMT_ON_OFF: 1686 { 1687 struct sctp_assoc_value *av; 1688 1689 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1690 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1691 if (stcb) { 1692 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1693 SCTP_TCB_UNLOCK(stcb); 1694 } else { 1695 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1696 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1697 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1698 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1699 SCTP_INP_RLOCK(inp); 1700 av->assoc_value = inp->sctp_cmt_on_off; 1701 SCTP_INP_RUNLOCK(inp); 1702 } else { 1703 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1704 error = EINVAL; 1705 } 1706 } 1707 if (error == 0) { 1708 *optsize = sizeof(struct sctp_assoc_value); 1709 } 1710 break; 1711 } 1712 case SCTP_PLUGGABLE_CC: 1713 { 1714 struct sctp_assoc_value *av; 1715 1716 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1717 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1718 if (stcb) { 1719 av->assoc_value = stcb->asoc.congestion_control_module; 1720 SCTP_TCB_UNLOCK(stcb); 1721 } else { 1722 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1723 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1724 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1725 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1726 SCTP_INP_RLOCK(inp); 1727 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1728 SCTP_INP_RUNLOCK(inp); 1729 } else { 1730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1731 error = EINVAL; 1732 } 1733 } 1734 if (error == 0) { 1735 *optsize = sizeof(struct sctp_assoc_value); 1736 } 1737 break; 1738 } 1739 case SCTP_CC_OPTION: 1740 { 1741 struct sctp_cc_option *cc_opt; 1742 1743 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1744 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1745 if (stcb == NULL) { 1746 error = EINVAL; 1747 } else { 1748 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1749 error = ENOTSUP; 1750 } else { 1751 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1752 *optsize = sizeof(struct sctp_cc_option); 1753 } 1754 SCTP_TCB_UNLOCK(stcb); 1755 } 1756 break; 1757 } 1758 case SCTP_PLUGGABLE_SS: 1759 { 1760 struct sctp_assoc_value *av; 1761 1762 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1763 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1764 if (stcb) { 1765 av->assoc_value = stcb->asoc.stream_scheduling_module; 1766 SCTP_TCB_UNLOCK(stcb); 1767 } else { 1768 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1769 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1770 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1771 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1772 SCTP_INP_RLOCK(inp); 1773 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1774 SCTP_INP_RUNLOCK(inp); 1775 } else { 1776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1777 error = EINVAL; 1778 } 1779 } 1780 if (error == 0) { 1781 *optsize = sizeof(struct sctp_assoc_value); 1782 } 1783 break; 1784 } 1785 case SCTP_SS_VALUE: 1786 { 1787 struct sctp_stream_value *av; 1788 1789 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1790 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1791 if (stcb) { 1792 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1793 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1794 &av->stream_value) < 0)) { 1795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1796 error = EINVAL; 1797 } else { 1798 *optsize = sizeof(struct sctp_stream_value); 1799 } 1800 SCTP_TCB_UNLOCK(stcb); 1801 } else { 1802 /* 1803 * Can't get stream value without 1804 * association 1805 */ 1806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1807 error = EINVAL; 1808 } 1809 break; 1810 } 1811 case SCTP_GET_ADDR_LEN: 1812 { 1813 struct sctp_assoc_value *av; 1814 1815 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1816 error = EINVAL; 1817 #ifdef INET 1818 if (av->assoc_value == AF_INET) { 1819 av->assoc_value = sizeof(struct sockaddr_in); 1820 error = 0; 1821 } 1822 #endif 1823 #ifdef INET6 1824 if (av->assoc_value == AF_INET6) { 1825 av->assoc_value = sizeof(struct sockaddr_in6); 1826 error = 0; 1827 } 1828 #endif 1829 if (error) { 1830 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1831 } else { 1832 *optsize = sizeof(struct sctp_assoc_value); 1833 } 1834 break; 1835 } 1836 case SCTP_GET_ASSOC_NUMBER: 1837 { 1838 uint32_t *value, cnt; 1839 1840 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1841 SCTP_INP_RLOCK(inp); 1842 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1843 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1844 /* Can't do this for a 1-1 socket */ 1845 error = EINVAL; 1846 SCTP_INP_RUNLOCK(inp); 1847 break; 1848 } 1849 cnt = 0; 1850 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1851 cnt++; 1852 } 1853 SCTP_INP_RUNLOCK(inp); 1854 *value = cnt; 1855 *optsize = sizeof(uint32_t); 1856 break; 1857 } 1858 case SCTP_GET_ASSOC_ID_LIST: 1859 { 1860 struct sctp_assoc_ids *ids; 1861 uint32_t at; 1862 size_t limit; 1863 1864 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1865 SCTP_INP_RLOCK(inp); 1866 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1867 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1868 /* Can't do this for a 1-1 socket */ 1869 error = EINVAL; 1870 SCTP_INP_RUNLOCK(inp); 1871 break; 1872 } 1873 at = 0; 1874 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1875 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1876 if (at < limit) { 1877 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1878 if (at == 0) { 1879 error = EINVAL; 1880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1881 break; 1882 } 1883 } else { 1884 error = EINVAL; 1885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1886 break; 1887 } 1888 } 1889 SCTP_INP_RUNLOCK(inp); 1890 if (error == 0) { 1891 ids->gaids_number_of_ids = at; 1892 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1893 } 1894 break; 1895 } 1896 case SCTP_CONTEXT: 1897 { 1898 struct sctp_assoc_value *av; 1899 1900 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1901 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1902 1903 if (stcb) { 1904 av->assoc_value = stcb->asoc.context; 1905 SCTP_TCB_UNLOCK(stcb); 1906 } else { 1907 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1908 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1909 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1910 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1911 SCTP_INP_RLOCK(inp); 1912 av->assoc_value = inp->sctp_context; 1913 SCTP_INP_RUNLOCK(inp); 1914 } else { 1915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1916 error = EINVAL; 1917 } 1918 } 1919 if (error == 0) { 1920 *optsize = sizeof(struct sctp_assoc_value); 1921 } 1922 break; 1923 } 1924 case SCTP_VRF_ID: 1925 { 1926 uint32_t *default_vrfid; 1927 1928 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1929 *default_vrfid = inp->def_vrf_id; 1930 *optsize = sizeof(uint32_t); 1931 break; 1932 } 1933 case SCTP_GET_ASOC_VRF: 1934 { 1935 struct sctp_assoc_value *id; 1936 1937 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1938 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1939 if (stcb == NULL) { 1940 error = EINVAL; 1941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1942 } else { 1943 id->assoc_value = stcb->asoc.vrf_id; 1944 SCTP_TCB_UNLOCK(stcb); 1945 *optsize = sizeof(struct sctp_assoc_value); 1946 } 1947 break; 1948 } 1949 case SCTP_GET_VRF_IDS: 1950 { 1951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1952 error = EOPNOTSUPP; 1953 break; 1954 } 1955 case SCTP_GET_NONCE_VALUES: 1956 { 1957 struct sctp_get_nonce_values *gnv; 1958 1959 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1960 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1961 1962 if (stcb) { 1963 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1964 gnv->gn_local_tag = stcb->asoc.my_vtag; 1965 SCTP_TCB_UNLOCK(stcb); 1966 *optsize = sizeof(struct sctp_get_nonce_values); 1967 } else { 1968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1969 error = ENOTCONN; 1970 } 1971 break; 1972 } 1973 case SCTP_DELAYED_SACK: 1974 { 1975 struct sctp_sack_info *sack; 1976 1977 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1978 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1979 if (stcb) { 1980 sack->sack_delay = stcb->asoc.delayed_ack; 1981 sack->sack_freq = stcb->asoc.sack_freq; 1982 SCTP_TCB_UNLOCK(stcb); 1983 } else { 1984 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1985 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1986 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1987 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1988 SCTP_INP_RLOCK(inp); 1989 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1990 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1991 SCTP_INP_RUNLOCK(inp); 1992 } else { 1993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1994 error = EINVAL; 1995 } 1996 } 1997 if (error == 0) { 1998 *optsize = sizeof(struct sctp_sack_info); 1999 } 2000 break; 2001 } 2002 case SCTP_GET_SNDBUF_USE: 2003 { 2004 struct sctp_sockstat *ss; 2005 2006 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2007 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2008 2009 if (stcb) { 2010 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2011 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2012 stcb->asoc.size_on_all_streams); 2013 SCTP_TCB_UNLOCK(stcb); 2014 *optsize = sizeof(struct sctp_sockstat); 2015 } else { 2016 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2017 error = ENOTCONN; 2018 } 2019 break; 2020 } 2021 case SCTP_MAX_BURST: 2022 { 2023 struct sctp_assoc_value *av; 2024 2025 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2026 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2027 2028 if (stcb) { 2029 av->assoc_value = stcb->asoc.max_burst; 2030 SCTP_TCB_UNLOCK(stcb); 2031 } else { 2032 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2033 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2034 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2035 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2036 SCTP_INP_RLOCK(inp); 2037 av->assoc_value = inp->sctp_ep.max_burst; 2038 SCTP_INP_RUNLOCK(inp); 2039 } else { 2040 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2041 error = EINVAL; 2042 } 2043 } 2044 if (error == 0) { 2045 *optsize = sizeof(struct sctp_assoc_value); 2046 } 2047 break; 2048 } 2049 case SCTP_MAXSEG: 2050 { 2051 struct sctp_assoc_value *av; 2052 2053 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2054 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2055 2056 if (stcb) { 2057 av->assoc_value = stcb->asoc.sctp_frag_point; 2058 SCTP_TCB_UNLOCK(stcb); 2059 } else { 2060 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2061 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2062 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2063 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2064 SCTP_INP_RLOCK(inp); 2065 av->assoc_value = inp->sctp_frag_point; 2066 SCTP_INP_RUNLOCK(inp); 2067 } else { 2068 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2069 error = EINVAL; 2070 } 2071 } 2072 if (error == 0) { 2073 *optsize = sizeof(struct sctp_assoc_value); 2074 } 2075 break; 2076 } 2077 case SCTP_GET_STAT_LOG: 2078 error = sctp_fill_stat_log(optval, optsize); 2079 break; 2080 case SCTP_EVENTS: 2081 { 2082 struct sctp_event_subscribe *events; 2083 2084 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2085 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2086 SCTP_INP_RLOCK(inp); 2087 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2088 events->sctp_data_io_event = 1; 2089 2090 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2091 events->sctp_association_event = 1; 2092 2093 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2094 events->sctp_address_event = 1; 2095 2096 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2097 events->sctp_send_failure_event = 1; 2098 2099 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2100 events->sctp_peer_error_event = 1; 2101 2102 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2103 events->sctp_shutdown_event = 1; 2104 2105 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2106 events->sctp_partial_delivery_event = 1; 2107 2108 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2109 events->sctp_adaptation_layer_event = 1; 2110 2111 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2112 events->sctp_authentication_event = 1; 2113 2114 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2115 events->sctp_sender_dry_event = 1; 2116 2117 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2118 events->sctp_stream_reset_event = 1; 2119 SCTP_INP_RUNLOCK(inp); 2120 *optsize = sizeof(struct sctp_event_subscribe); 2121 break; 2122 } 2123 case SCTP_ADAPTATION_LAYER: 2124 { 2125 uint32_t *value; 2126 2127 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2128 2129 SCTP_INP_RLOCK(inp); 2130 *value = inp->sctp_ep.adaptation_layer_indicator; 2131 SCTP_INP_RUNLOCK(inp); 2132 *optsize = sizeof(uint32_t); 2133 break; 2134 } 2135 case SCTP_SET_INITIAL_DBG_SEQ: 2136 { 2137 uint32_t *value; 2138 2139 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2140 SCTP_INP_RLOCK(inp); 2141 *value = inp->sctp_ep.initial_sequence_debug; 2142 SCTP_INP_RUNLOCK(inp); 2143 *optsize = sizeof(uint32_t); 2144 break; 2145 } 2146 case SCTP_GET_LOCAL_ADDR_SIZE: 2147 { 2148 uint32_t *value; 2149 2150 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2151 SCTP_INP_RLOCK(inp); 2152 *value = (uint32_t)sctp_max_size_addresses(inp); 2153 SCTP_INP_RUNLOCK(inp); 2154 *optsize = sizeof(uint32_t); 2155 break; 2156 } 2157 case SCTP_GET_REMOTE_ADDR_SIZE: 2158 { 2159 uint32_t *value; 2160 struct sctp_nets *net; 2161 size_t size; 2162 2163 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2164 /* FIXME MT: change to sctp_assoc_value? */ 2165 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2166 2167 if (stcb != NULL) { 2168 size = 0; 2169 /* Count the sizes */ 2170 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2171 switch (net->ro._l_addr.sa.sa_family) { 2172 #ifdef INET 2173 case AF_INET: 2174 #ifdef INET6 2175 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2176 size += sizeof(struct sockaddr_in6); 2177 } else { 2178 size += sizeof(struct sockaddr_in); 2179 } 2180 #else 2181 size += sizeof(struct sockaddr_in); 2182 #endif 2183 break; 2184 #endif 2185 #ifdef INET6 2186 case AF_INET6: 2187 size += sizeof(struct sockaddr_in6); 2188 break; 2189 #endif 2190 default: 2191 break; 2192 } 2193 } 2194 SCTP_TCB_UNLOCK(stcb); 2195 *value = (uint32_t)size; 2196 *optsize = sizeof(uint32_t); 2197 } else { 2198 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2199 ((sctp_assoc_t)*value <= SCTP_ALL_ASSOC)) { 2200 error = EINVAL; 2201 } else { 2202 error = ENOENT; 2203 } 2204 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2205 } 2206 break; 2207 } 2208 case SCTP_GET_PEER_ADDRESSES: 2209 /* 2210 * Get the address information, an array is passed in to 2211 * fill up we pack it. 2212 */ 2213 { 2214 size_t cpsz, left; 2215 struct sockaddr *addr; 2216 struct sctp_nets *net; 2217 struct sctp_getaddresses *saddr; 2218 2219 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2220 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2221 2222 if (stcb != NULL) { 2223 left = *optsize - offsetof(struct sctp_getaddresses, addr); 2224 *optsize = offsetof(struct sctp_getaddresses, addr); 2225 addr = &saddr->addr[0].sa; 2226 2227 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2228 switch (net->ro._l_addr.sa.sa_family) { 2229 #ifdef INET 2230 case AF_INET: 2231 #ifdef INET6 2232 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2233 cpsz = sizeof(struct sockaddr_in6); 2234 } else { 2235 cpsz = sizeof(struct sockaddr_in); 2236 } 2237 #else 2238 cpsz = sizeof(struct sockaddr_in); 2239 #endif 2240 break; 2241 #endif 2242 #ifdef INET6 2243 case AF_INET6: 2244 cpsz = sizeof(struct sockaddr_in6); 2245 break; 2246 #endif 2247 default: 2248 cpsz = 0; 2249 break; 2250 } 2251 if (cpsz == 0) { 2252 break; 2253 } 2254 if (left < cpsz) { 2255 /* not enough room. */ 2256 break; 2257 } 2258 #if defined(INET) && defined(INET6) 2259 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2260 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2261 /* Must map the address */ 2262 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2263 (struct sockaddr_in6 *)addr); 2264 } else { 2265 memcpy(addr, &net->ro._l_addr, cpsz); 2266 } 2267 #else 2268 memcpy(addr, &net->ro._l_addr, cpsz); 2269 #endif 2270 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2271 2272 addr = (struct sockaddr *)((caddr_t)addr + cpsz); 2273 left -= cpsz; 2274 *optsize += cpsz; 2275 } 2276 SCTP_TCB_UNLOCK(stcb); 2277 } else { 2278 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2279 (saddr->sget_assoc_id <= SCTP_ALL_ASSOC)) { 2280 error = EINVAL; 2281 } else { 2282 error = ENOENT; 2283 } 2284 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2285 } 2286 break; 2287 } 2288 case SCTP_GET_LOCAL_ADDRESSES: 2289 { 2290 size_t limit, actual; 2291 struct sctp_getaddresses *saddr; 2292 2293 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2294 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2295 2296 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2297 ((saddr->sget_assoc_id == SCTP_CURRENT_ASSOC) || 2298 (saddr->sget_assoc_id == SCTP_ALL_ASSOC))) { 2299 error = EINVAL; 2300 } else { 2301 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2302 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2303 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2304 } 2305 if (stcb != NULL) { 2306 SCTP_TCB_UNLOCK(stcb); 2307 } 2308 break; 2309 } 2310 case SCTP_PEER_ADDR_PARAMS: 2311 { 2312 struct sctp_paddrparams *paddrp; 2313 struct sctp_nets *net; 2314 struct sockaddr *addr; 2315 #if defined(INET) && defined(INET6) 2316 struct sockaddr_in sin_store; 2317 #endif 2318 2319 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2320 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2321 2322 #if defined(INET) && defined(INET6) 2323 if (paddrp->spp_address.ss_family == AF_INET6) { 2324 struct sockaddr_in6 *sin6; 2325 2326 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2327 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2328 in6_sin6_2_sin(&sin_store, sin6); 2329 addr = (struct sockaddr *)&sin_store; 2330 } else { 2331 addr = (struct sockaddr *)&paddrp->spp_address; 2332 } 2333 } else { 2334 addr = (struct sockaddr *)&paddrp->spp_address; 2335 } 2336 #else 2337 addr = (struct sockaddr *)&paddrp->spp_address; 2338 #endif 2339 if (stcb != NULL) { 2340 net = sctp_findnet(stcb, addr); 2341 } else { 2342 /* 2343 * We increment here since 2344 * sctp_findassociation_ep_addr() wil do a 2345 * decrement if it finds the stcb as long as 2346 * the locked tcb (last argument) is NOT a 2347 * TCB.. aka NULL. 2348 */ 2349 net = NULL; 2350 SCTP_INP_INCR_REF(inp); 2351 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2352 if (stcb == NULL) { 2353 SCTP_INP_DECR_REF(inp); 2354 } 2355 } 2356 if ((stcb != NULL) && (net == NULL)) { 2357 #ifdef INET 2358 if (addr->sa_family == AF_INET) { 2359 struct sockaddr_in *sin; 2360 2361 sin = (struct sockaddr_in *)addr; 2362 if (sin->sin_addr.s_addr != INADDR_ANY) { 2363 error = EINVAL; 2364 SCTP_TCB_UNLOCK(stcb); 2365 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2366 break; 2367 } 2368 } else 2369 #endif 2370 #ifdef INET6 2371 if (addr->sa_family == AF_INET6) { 2372 struct sockaddr_in6 *sin6; 2373 2374 sin6 = (struct sockaddr_in6 *)addr; 2375 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2376 error = EINVAL; 2377 SCTP_TCB_UNLOCK(stcb); 2378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2379 break; 2380 } 2381 } else 2382 #endif 2383 { 2384 error = EAFNOSUPPORT; 2385 SCTP_TCB_UNLOCK(stcb); 2386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2387 break; 2388 } 2389 } 2390 2391 if (stcb != NULL) { 2392 /* Applies to the specific association */ 2393 paddrp->spp_flags = 0; 2394 if (net != NULL) { 2395 paddrp->spp_hbinterval = net->heart_beat_delay; 2396 paddrp->spp_pathmaxrxt = net->failure_threshold; 2397 paddrp->spp_pathmtu = net->mtu; 2398 switch (net->ro._l_addr.sa.sa_family) { 2399 #ifdef INET 2400 case AF_INET: 2401 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2402 break; 2403 #endif 2404 #ifdef INET6 2405 case AF_INET6: 2406 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2407 break; 2408 #endif 2409 default: 2410 break; 2411 } 2412 /* get flags for HB */ 2413 if (net->dest_state & SCTP_ADDR_NOHB) { 2414 paddrp->spp_flags |= SPP_HB_DISABLE; 2415 } else { 2416 paddrp->spp_flags |= SPP_HB_ENABLE; 2417 } 2418 /* get flags for PMTU */ 2419 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2420 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2421 } else { 2422 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2423 } 2424 if (net->dscp & 0x01) { 2425 paddrp->spp_dscp = net->dscp & 0xfc; 2426 paddrp->spp_flags |= SPP_DSCP; 2427 } 2428 #ifdef INET6 2429 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2430 (net->flowlabel & 0x80000000)) { 2431 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2432 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2433 } 2434 #endif 2435 } else { 2436 /* 2437 * No destination so return default 2438 * value 2439 */ 2440 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2441 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2442 if (stcb->asoc.default_dscp & 0x01) { 2443 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2444 paddrp->spp_flags |= SPP_DSCP; 2445 } 2446 #ifdef INET6 2447 if (stcb->asoc.default_flowlabel & 0x80000000) { 2448 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2449 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2450 } 2451 #endif 2452 /* default settings should be these */ 2453 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2454 paddrp->spp_flags |= SPP_HB_DISABLE; 2455 } else { 2456 paddrp->spp_flags |= SPP_HB_ENABLE; 2457 } 2458 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2459 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2460 } else { 2461 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2462 } 2463 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2464 } 2465 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2466 SCTP_TCB_UNLOCK(stcb); 2467 } else { 2468 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2469 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2470 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2471 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2472 /* Use endpoint defaults */ 2473 SCTP_INP_RLOCK(inp); 2474 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2475 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2476 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2477 /* get inp's default */ 2478 if (inp->sctp_ep.default_dscp & 0x01) { 2479 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2480 paddrp->spp_flags |= SPP_DSCP; 2481 } 2482 #ifdef INET6 2483 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2484 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2485 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2486 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2487 } 2488 #endif 2489 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2490 2491 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2492 paddrp->spp_flags |= SPP_HB_ENABLE; 2493 } else { 2494 paddrp->spp_flags |= SPP_HB_DISABLE; 2495 } 2496 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2497 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2498 } else { 2499 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2500 } 2501 SCTP_INP_RUNLOCK(inp); 2502 } else { 2503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2504 error = EINVAL; 2505 } 2506 } 2507 if (error == 0) { 2508 *optsize = sizeof(struct sctp_paddrparams); 2509 } 2510 break; 2511 } 2512 case SCTP_GET_PEER_ADDR_INFO: 2513 { 2514 struct sctp_paddrinfo *paddri; 2515 struct sctp_nets *net; 2516 struct sockaddr *addr; 2517 #if defined(INET) && defined(INET6) 2518 struct sockaddr_in sin_store; 2519 #endif 2520 2521 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2522 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2523 2524 #if defined(INET) && defined(INET6) 2525 if (paddri->spinfo_address.ss_family == AF_INET6) { 2526 struct sockaddr_in6 *sin6; 2527 2528 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2529 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2530 in6_sin6_2_sin(&sin_store, sin6); 2531 addr = (struct sockaddr *)&sin_store; 2532 } else { 2533 addr = (struct sockaddr *)&paddri->spinfo_address; 2534 } 2535 } else { 2536 addr = (struct sockaddr *)&paddri->spinfo_address; 2537 } 2538 #else 2539 addr = (struct sockaddr *)&paddri->spinfo_address; 2540 #endif 2541 if (stcb != NULL) { 2542 net = sctp_findnet(stcb, addr); 2543 } else { 2544 /* 2545 * We increment here since 2546 * sctp_findassociation_ep_addr() wil do a 2547 * decrement if it finds the stcb as long as 2548 * the locked tcb (last argument) is NOT a 2549 * TCB.. aka NULL. 2550 */ 2551 net = NULL; 2552 SCTP_INP_INCR_REF(inp); 2553 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2554 if (stcb == NULL) { 2555 SCTP_INP_DECR_REF(inp); 2556 } 2557 } 2558 2559 if ((stcb != NULL) && (net != NULL)) { 2560 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2561 /* It's unconfirmed */ 2562 paddri->spinfo_state = SCTP_UNCONFIRMED; 2563 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2564 /* It's active */ 2565 paddri->spinfo_state = SCTP_ACTIVE; 2566 } else { 2567 /* It's inactive */ 2568 paddri->spinfo_state = SCTP_INACTIVE; 2569 } 2570 paddri->spinfo_cwnd = net->cwnd; 2571 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2572 paddri->spinfo_rto = net->RTO; 2573 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2574 paddri->spinfo_mtu = net->mtu; 2575 switch (addr->sa_family) { 2576 #if defined(INET) 2577 case AF_INET: 2578 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2579 break; 2580 #endif 2581 #if defined(INET6) 2582 case AF_INET6: 2583 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2584 break; 2585 #endif 2586 default: 2587 break; 2588 } 2589 SCTP_TCB_UNLOCK(stcb); 2590 *optsize = sizeof(struct sctp_paddrinfo); 2591 } else { 2592 if (stcb != NULL) { 2593 SCTP_TCB_UNLOCK(stcb); 2594 } 2595 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2596 error = ENOENT; 2597 } 2598 break; 2599 } 2600 case SCTP_PCB_STATUS: 2601 { 2602 struct sctp_pcbinfo *spcb; 2603 2604 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2605 sctp_fill_pcbinfo(spcb); 2606 *optsize = sizeof(struct sctp_pcbinfo); 2607 break; 2608 } 2609 case SCTP_STATUS: 2610 { 2611 struct sctp_nets *net; 2612 struct sctp_status *sstat; 2613 2614 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2615 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2616 2617 if (stcb == NULL) { 2618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2619 error = EINVAL; 2620 break; 2621 } 2622 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2623 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2624 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2625 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2626 /* 2627 * We can't include chunks that have been passed to 2628 * the socket layer. Only things in queue. 2629 */ 2630 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2631 stcb->asoc.cnt_on_all_streams); 2632 sstat->sstat_instrms = stcb->asoc.streamincnt; 2633 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2634 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb); 2635 net = stcb->asoc.primary_destination; 2636 if (net != NULL) { 2637 memcpy(&sstat->sstat_primary.spinfo_address, 2638 &net->ro._l_addr, 2639 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2640 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2641 /* 2642 * Again the user can get info from 2643 * sctp_constants.h for what the state of 2644 * the network is. 2645 */ 2646 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2647 /* It's unconfirmed */ 2648 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2649 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2650 /* It's active */ 2651 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2652 } else { 2653 /* It's inactive */ 2654 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2655 } 2656 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2657 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2658 sstat->sstat_primary.spinfo_rto = net->RTO; 2659 sstat->sstat_primary.spinfo_mtu = net->mtu; 2660 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2661 #if defined(INET) 2662 case AF_INET: 2663 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2664 break; 2665 #endif 2666 #if defined(INET6) 2667 case AF_INET6: 2668 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2669 break; 2670 #endif 2671 default: 2672 break; 2673 } 2674 } else { 2675 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2676 } 2677 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2678 SCTP_TCB_UNLOCK(stcb); 2679 *optsize = sizeof(struct sctp_status); 2680 break; 2681 } 2682 case SCTP_RTOINFO: 2683 { 2684 struct sctp_rtoinfo *srto; 2685 2686 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2687 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2688 2689 if (stcb) { 2690 srto->srto_initial = stcb->asoc.initial_rto; 2691 srto->srto_max = stcb->asoc.maxrto; 2692 srto->srto_min = stcb->asoc.minrto; 2693 SCTP_TCB_UNLOCK(stcb); 2694 } else { 2695 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2696 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2697 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2698 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2699 SCTP_INP_RLOCK(inp); 2700 srto->srto_initial = inp->sctp_ep.initial_rto; 2701 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2702 srto->srto_min = inp->sctp_ep.sctp_minrto; 2703 SCTP_INP_RUNLOCK(inp); 2704 } else { 2705 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2706 error = EINVAL; 2707 } 2708 } 2709 if (error == 0) { 2710 *optsize = sizeof(struct sctp_rtoinfo); 2711 } 2712 break; 2713 } 2714 case SCTP_TIMEOUTS: 2715 { 2716 struct sctp_timeouts *stimo; 2717 2718 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2719 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2720 2721 if (stcb) { 2722 stimo->stimo_init = stcb->asoc.timoinit; 2723 stimo->stimo_data = stcb->asoc.timodata; 2724 stimo->stimo_sack = stcb->asoc.timosack; 2725 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2726 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2727 stimo->stimo_cookie = stcb->asoc.timocookie; 2728 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2729 SCTP_TCB_UNLOCK(stcb); 2730 *optsize = sizeof(struct sctp_timeouts); 2731 } else { 2732 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2733 error = EINVAL; 2734 } 2735 break; 2736 } 2737 case SCTP_ASSOCINFO: 2738 { 2739 struct sctp_assocparams *sasoc; 2740 2741 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2742 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2743 2744 if (stcb) { 2745 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2746 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2747 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2748 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2749 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2750 SCTP_TCB_UNLOCK(stcb); 2751 } else { 2752 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2753 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2754 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2755 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2756 SCTP_INP_RLOCK(inp); 2757 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2758 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2759 sasoc->sasoc_number_peer_destinations = 0; 2760 sasoc->sasoc_peer_rwnd = 0; 2761 sasoc->sasoc_local_rwnd = (uint32_t)sbspace(&inp->sctp_socket->so_rcv); 2762 SCTP_INP_RUNLOCK(inp); 2763 } else { 2764 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2765 error = EINVAL; 2766 } 2767 } 2768 if (error == 0) { 2769 *optsize = sizeof(struct sctp_assocparams); 2770 } 2771 break; 2772 } 2773 case SCTP_DEFAULT_SEND_PARAM: 2774 { 2775 struct sctp_sndrcvinfo *s_info; 2776 2777 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2778 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2779 2780 if (stcb) { 2781 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2782 SCTP_TCB_UNLOCK(stcb); 2783 } else { 2784 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2785 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2786 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2787 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2788 SCTP_INP_RLOCK(inp); 2789 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2790 SCTP_INP_RUNLOCK(inp); 2791 } else { 2792 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2793 error = EINVAL; 2794 } 2795 } 2796 if (error == 0) { 2797 *optsize = sizeof(struct sctp_sndrcvinfo); 2798 } 2799 break; 2800 } 2801 case SCTP_INITMSG: 2802 { 2803 struct sctp_initmsg *sinit; 2804 2805 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2806 SCTP_INP_RLOCK(inp); 2807 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2808 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2809 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2810 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2811 SCTP_INP_RUNLOCK(inp); 2812 *optsize = sizeof(struct sctp_initmsg); 2813 break; 2814 } 2815 case SCTP_PRIMARY_ADDR: 2816 /* we allow a "get" operation on this */ 2817 { 2818 struct sctp_setprim *ssp; 2819 2820 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2821 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2822 2823 if (stcb) { 2824 union sctp_sockstore *addr; 2825 2826 addr = &stcb->asoc.primary_destination->ro._l_addr; 2827 switch (addr->sa.sa_family) { 2828 #ifdef INET 2829 case AF_INET: 2830 #ifdef INET6 2831 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2832 in6_sin_2_v4mapsin6(&addr->sin, 2833 (struct sockaddr_in6 *)&ssp->ssp_addr); 2834 } else { 2835 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2836 } 2837 #else 2838 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2839 #endif 2840 break; 2841 #endif 2842 #ifdef INET6 2843 case AF_INET6: 2844 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2845 break; 2846 #endif 2847 default: 2848 break; 2849 } 2850 SCTP_TCB_UNLOCK(stcb); 2851 *optsize = sizeof(struct sctp_setprim); 2852 } else { 2853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2854 error = EINVAL; 2855 } 2856 break; 2857 } 2858 case SCTP_HMAC_IDENT: 2859 { 2860 struct sctp_hmacalgo *shmac; 2861 sctp_hmaclist_t *hmaclist; 2862 size_t size; 2863 int i; 2864 2865 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2866 2867 SCTP_INP_RLOCK(inp); 2868 hmaclist = inp->sctp_ep.local_hmacs; 2869 if (hmaclist == NULL) { 2870 /* no HMACs to return */ 2871 *optsize = sizeof(*shmac); 2872 SCTP_INP_RUNLOCK(inp); 2873 break; 2874 } 2875 /* is there room for all of the hmac ids? */ 2876 size = sizeof(*shmac) + (hmaclist->num_algo * 2877 sizeof(shmac->shmac_idents[0])); 2878 if (*optsize < size) { 2879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2880 error = EINVAL; 2881 SCTP_INP_RUNLOCK(inp); 2882 break; 2883 } 2884 /* copy in the list */ 2885 shmac->shmac_number_of_idents = hmaclist->num_algo; 2886 for (i = 0; i < hmaclist->num_algo; i++) { 2887 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2888 } 2889 SCTP_INP_RUNLOCK(inp); 2890 *optsize = size; 2891 break; 2892 } 2893 case SCTP_AUTH_ACTIVE_KEY: 2894 { 2895 struct sctp_authkeyid *scact; 2896 2897 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2898 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2899 2900 if (stcb) { 2901 /* get the active key on the assoc */ 2902 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2903 SCTP_TCB_UNLOCK(stcb); 2904 } else { 2905 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2906 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2907 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2908 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2909 /* get the endpoint active key */ 2910 SCTP_INP_RLOCK(inp); 2911 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2912 SCTP_INP_RUNLOCK(inp); 2913 } else { 2914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2915 error = EINVAL; 2916 } 2917 } 2918 if (error == 0) { 2919 *optsize = sizeof(struct sctp_authkeyid); 2920 } 2921 break; 2922 } 2923 case SCTP_LOCAL_AUTH_CHUNKS: 2924 { 2925 struct sctp_authchunks *sac; 2926 sctp_auth_chklist_t *chklist = NULL; 2927 size_t size = 0; 2928 2929 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2930 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2931 2932 if (stcb) { 2933 /* get off the assoc */ 2934 chklist = stcb->asoc.local_auth_chunks; 2935 /* is there enough space? */ 2936 size = sctp_auth_get_chklist_size(chklist); 2937 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2938 error = EINVAL; 2939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2940 } else { 2941 /* copy in the chunks */ 2942 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2943 sac->gauth_number_of_chunks = (uint32_t)size; 2944 *optsize = sizeof(struct sctp_authchunks) + size; 2945 } 2946 SCTP_TCB_UNLOCK(stcb); 2947 } else { 2948 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2949 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2950 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2951 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2952 /* get off the endpoint */ 2953 SCTP_INP_RLOCK(inp); 2954 chklist = inp->sctp_ep.local_auth_chunks; 2955 /* is there enough space? */ 2956 size = sctp_auth_get_chklist_size(chklist); 2957 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2958 error = EINVAL; 2959 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2960 } else { 2961 /* copy in the chunks */ 2962 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2963 sac->gauth_number_of_chunks = (uint32_t)size; 2964 *optsize = sizeof(struct sctp_authchunks) + size; 2965 } 2966 SCTP_INP_RUNLOCK(inp); 2967 } else { 2968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2969 error = EINVAL; 2970 } 2971 } 2972 break; 2973 } 2974 case SCTP_PEER_AUTH_CHUNKS: 2975 { 2976 struct sctp_authchunks *sac; 2977 sctp_auth_chklist_t *chklist = NULL; 2978 size_t size = 0; 2979 2980 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2981 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2982 2983 if (stcb) { 2984 /* get off the assoc */ 2985 chklist = stcb->asoc.peer_auth_chunks; 2986 /* is there enough space? */ 2987 size = sctp_auth_get_chklist_size(chklist); 2988 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2989 error = EINVAL; 2990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2991 } else { 2992 /* copy in the chunks */ 2993 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2994 sac->gauth_number_of_chunks = (uint32_t)size; 2995 *optsize = sizeof(struct sctp_authchunks) + size; 2996 } 2997 SCTP_TCB_UNLOCK(stcb); 2998 } else { 2999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3000 error = ENOENT; 3001 } 3002 break; 3003 } 3004 case SCTP_EVENT: 3005 { 3006 struct sctp_event *event; 3007 uint32_t event_type; 3008 3009 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3010 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3011 3012 switch (event->se_type) { 3013 case SCTP_ASSOC_CHANGE: 3014 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3015 break; 3016 case SCTP_PEER_ADDR_CHANGE: 3017 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3018 break; 3019 case SCTP_REMOTE_ERROR: 3020 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3021 break; 3022 case SCTP_SEND_FAILED: 3023 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3024 break; 3025 case SCTP_SHUTDOWN_EVENT: 3026 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3027 break; 3028 case SCTP_ADAPTATION_INDICATION: 3029 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3030 break; 3031 case SCTP_PARTIAL_DELIVERY_EVENT: 3032 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3033 break; 3034 case SCTP_AUTHENTICATION_EVENT: 3035 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3036 break; 3037 case SCTP_STREAM_RESET_EVENT: 3038 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3039 break; 3040 case SCTP_SENDER_DRY_EVENT: 3041 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3042 break; 3043 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3044 event_type = 0; 3045 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3046 error = ENOTSUP; 3047 break; 3048 case SCTP_ASSOC_RESET_EVENT: 3049 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3050 break; 3051 case SCTP_STREAM_CHANGE_EVENT: 3052 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3053 break; 3054 case SCTP_SEND_FAILED_EVENT: 3055 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3056 break; 3057 default: 3058 event_type = 0; 3059 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3060 error = EINVAL; 3061 break; 3062 } 3063 if (event_type > 0) { 3064 if (stcb) { 3065 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3066 } else { 3067 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3068 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3069 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3070 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3071 SCTP_INP_RLOCK(inp); 3072 event->se_on = sctp_is_feature_on(inp, event_type); 3073 SCTP_INP_RUNLOCK(inp); 3074 } else { 3075 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3076 error = EINVAL; 3077 } 3078 } 3079 } 3080 if (stcb != NULL) { 3081 SCTP_TCB_UNLOCK(stcb); 3082 } 3083 if (error == 0) { 3084 *optsize = sizeof(struct sctp_event); 3085 } 3086 break; 3087 } 3088 case SCTP_RECVRCVINFO: 3089 if (*optsize < sizeof(int)) { 3090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3091 error = EINVAL; 3092 } else { 3093 SCTP_INP_RLOCK(inp); 3094 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3095 SCTP_INP_RUNLOCK(inp); 3096 *optsize = sizeof(int); 3097 } 3098 break; 3099 case SCTP_RECVNXTINFO: 3100 if (*optsize < sizeof(int)) { 3101 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3102 error = EINVAL; 3103 } else { 3104 SCTP_INP_RLOCK(inp); 3105 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3106 SCTP_INP_RUNLOCK(inp); 3107 *optsize = sizeof(int); 3108 } 3109 break; 3110 case SCTP_DEFAULT_SNDINFO: 3111 { 3112 struct sctp_sndinfo *info; 3113 3114 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3115 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3116 3117 if (stcb) { 3118 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3119 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3120 info->snd_flags &= 0xfff0; 3121 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3122 info->snd_context = stcb->asoc.def_send.sinfo_context; 3123 SCTP_TCB_UNLOCK(stcb); 3124 } else { 3125 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3126 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3127 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3128 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3129 SCTP_INP_RLOCK(inp); 3130 info->snd_sid = inp->def_send.sinfo_stream; 3131 info->snd_flags = inp->def_send.sinfo_flags; 3132 info->snd_flags &= 0xfff0; 3133 info->snd_ppid = inp->def_send.sinfo_ppid; 3134 info->snd_context = inp->def_send.sinfo_context; 3135 SCTP_INP_RUNLOCK(inp); 3136 } else { 3137 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3138 error = EINVAL; 3139 } 3140 } 3141 if (error == 0) { 3142 *optsize = sizeof(struct sctp_sndinfo); 3143 } 3144 break; 3145 } 3146 case SCTP_DEFAULT_PRINFO: 3147 { 3148 struct sctp_default_prinfo *info; 3149 3150 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3151 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3152 3153 if (stcb) { 3154 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3155 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3156 SCTP_TCB_UNLOCK(stcb); 3157 } else { 3158 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3159 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3160 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3161 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3162 SCTP_INP_RLOCK(inp); 3163 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3164 info->pr_value = inp->def_send.sinfo_timetolive; 3165 SCTP_INP_RUNLOCK(inp); 3166 } else { 3167 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3168 error = EINVAL; 3169 } 3170 } 3171 if (error == 0) { 3172 *optsize = sizeof(struct sctp_default_prinfo); 3173 } 3174 break; 3175 } 3176 case SCTP_PEER_ADDR_THLDS: 3177 { 3178 struct sctp_paddrthlds *thlds; 3179 struct sctp_nets *net; 3180 struct sockaddr *addr; 3181 #if defined(INET) && defined(INET6) 3182 struct sockaddr_in sin_store; 3183 #endif 3184 3185 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3186 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3187 3188 #if defined(INET) && defined(INET6) 3189 if (thlds->spt_address.ss_family == AF_INET6) { 3190 struct sockaddr_in6 *sin6; 3191 3192 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3193 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3194 in6_sin6_2_sin(&sin_store, sin6); 3195 addr = (struct sockaddr *)&sin_store; 3196 } else { 3197 addr = (struct sockaddr *)&thlds->spt_address; 3198 } 3199 } else { 3200 addr = (struct sockaddr *)&thlds->spt_address; 3201 } 3202 #else 3203 addr = (struct sockaddr *)&thlds->spt_address; 3204 #endif 3205 if (stcb != NULL) { 3206 net = sctp_findnet(stcb, addr); 3207 } else { 3208 /* 3209 * We increment here since 3210 * sctp_findassociation_ep_addr() wil do a 3211 * decrement if it finds the stcb as long as 3212 * the locked tcb (last argument) is NOT a 3213 * TCB.. aka NULL. 3214 */ 3215 net = NULL; 3216 SCTP_INP_INCR_REF(inp); 3217 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3218 if (stcb == NULL) { 3219 SCTP_INP_DECR_REF(inp); 3220 } 3221 } 3222 if ((stcb != NULL) && (net == NULL)) { 3223 #ifdef INET 3224 if (addr->sa_family == AF_INET) { 3225 struct sockaddr_in *sin; 3226 3227 sin = (struct sockaddr_in *)addr; 3228 if (sin->sin_addr.s_addr != INADDR_ANY) { 3229 error = EINVAL; 3230 SCTP_TCB_UNLOCK(stcb); 3231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3232 break; 3233 } 3234 } else 3235 #endif 3236 #ifdef INET6 3237 if (addr->sa_family == AF_INET6) { 3238 struct sockaddr_in6 *sin6; 3239 3240 sin6 = (struct sockaddr_in6 *)addr; 3241 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3242 error = EINVAL; 3243 SCTP_TCB_UNLOCK(stcb); 3244 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3245 break; 3246 } 3247 } else 3248 #endif 3249 { 3250 error = EAFNOSUPPORT; 3251 SCTP_TCB_UNLOCK(stcb); 3252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3253 break; 3254 } 3255 } 3256 3257 if (stcb != NULL) { 3258 if (net != NULL) { 3259 thlds->spt_pathmaxrxt = net->failure_threshold; 3260 thlds->spt_pathpfthld = net->pf_threshold; 3261 thlds->spt_pathcpthld = 0xffff; 3262 } else { 3263 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3264 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3265 thlds->spt_pathcpthld = 0xffff; 3266 } 3267 thlds->spt_assoc_id = sctp_get_associd(stcb); 3268 SCTP_TCB_UNLOCK(stcb); 3269 } else { 3270 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3271 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3272 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3273 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3274 /* Use endpoint defaults */ 3275 SCTP_INP_RLOCK(inp); 3276 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3277 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3278 thlds->spt_pathcpthld = 0xffff; 3279 SCTP_INP_RUNLOCK(inp); 3280 } else { 3281 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3282 error = EINVAL; 3283 } 3284 } 3285 if (error == 0) { 3286 *optsize = sizeof(struct sctp_paddrthlds); 3287 } 3288 break; 3289 } 3290 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3291 { 3292 struct sctp_udpencaps *encaps; 3293 struct sctp_nets *net; 3294 struct sockaddr *addr; 3295 #if defined(INET) && defined(INET6) 3296 struct sockaddr_in sin_store; 3297 #endif 3298 3299 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3300 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3301 3302 #if defined(INET) && defined(INET6) 3303 if (encaps->sue_address.ss_family == AF_INET6) { 3304 struct sockaddr_in6 *sin6; 3305 3306 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3307 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3308 in6_sin6_2_sin(&sin_store, sin6); 3309 addr = (struct sockaddr *)&sin_store; 3310 } else { 3311 addr = (struct sockaddr *)&encaps->sue_address; 3312 } 3313 } else { 3314 addr = (struct sockaddr *)&encaps->sue_address; 3315 } 3316 #else 3317 addr = (struct sockaddr *)&encaps->sue_address; 3318 #endif 3319 if (stcb) { 3320 net = sctp_findnet(stcb, addr); 3321 } else { 3322 /* 3323 * We increment here since 3324 * sctp_findassociation_ep_addr() wil do a 3325 * decrement if it finds the stcb as long as 3326 * the locked tcb (last argument) is NOT a 3327 * TCB.. aka NULL. 3328 */ 3329 net = NULL; 3330 SCTP_INP_INCR_REF(inp); 3331 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3332 if (stcb == NULL) { 3333 SCTP_INP_DECR_REF(inp); 3334 } 3335 } 3336 if ((stcb != NULL) && (net == NULL)) { 3337 #ifdef INET 3338 if (addr->sa_family == AF_INET) { 3339 struct sockaddr_in *sin; 3340 3341 sin = (struct sockaddr_in *)addr; 3342 if (sin->sin_addr.s_addr != INADDR_ANY) { 3343 error = EINVAL; 3344 SCTP_TCB_UNLOCK(stcb); 3345 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3346 break; 3347 } 3348 } else 3349 #endif 3350 #ifdef INET6 3351 if (addr->sa_family == AF_INET6) { 3352 struct sockaddr_in6 *sin6; 3353 3354 sin6 = (struct sockaddr_in6 *)addr; 3355 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3356 error = EINVAL; 3357 SCTP_TCB_UNLOCK(stcb); 3358 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3359 break; 3360 } 3361 } else 3362 #endif 3363 { 3364 error = EAFNOSUPPORT; 3365 SCTP_TCB_UNLOCK(stcb); 3366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3367 break; 3368 } 3369 } 3370 3371 if (stcb != NULL) { 3372 if (net) { 3373 encaps->sue_port = net->port; 3374 } else { 3375 encaps->sue_port = stcb->asoc.port; 3376 } 3377 SCTP_TCB_UNLOCK(stcb); 3378 } else { 3379 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3380 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3381 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3382 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3383 SCTP_INP_RLOCK(inp); 3384 encaps->sue_port = inp->sctp_ep.port; 3385 SCTP_INP_RUNLOCK(inp); 3386 } else { 3387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3388 error = EINVAL; 3389 } 3390 } 3391 if (error == 0) { 3392 *optsize = sizeof(struct sctp_udpencaps); 3393 } 3394 break; 3395 } 3396 case SCTP_ECN_SUPPORTED: 3397 { 3398 struct sctp_assoc_value *av; 3399 3400 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3401 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3402 3403 if (stcb) { 3404 av->assoc_value = stcb->asoc.ecn_supported; 3405 SCTP_TCB_UNLOCK(stcb); 3406 } else { 3407 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3408 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3409 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3410 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3411 SCTP_INP_RLOCK(inp); 3412 av->assoc_value = inp->ecn_supported; 3413 SCTP_INP_RUNLOCK(inp); 3414 } else { 3415 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3416 error = EINVAL; 3417 } 3418 } 3419 if (error == 0) { 3420 *optsize = sizeof(struct sctp_assoc_value); 3421 } 3422 break; 3423 } 3424 case SCTP_PR_SUPPORTED: 3425 { 3426 struct sctp_assoc_value *av; 3427 3428 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3429 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3430 3431 if (stcb) { 3432 av->assoc_value = stcb->asoc.prsctp_supported; 3433 SCTP_TCB_UNLOCK(stcb); 3434 } else { 3435 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3436 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3437 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3438 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3439 SCTP_INP_RLOCK(inp); 3440 av->assoc_value = inp->prsctp_supported; 3441 SCTP_INP_RUNLOCK(inp); 3442 } else { 3443 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3444 error = EINVAL; 3445 } 3446 } 3447 if (error == 0) { 3448 *optsize = sizeof(struct sctp_assoc_value); 3449 } 3450 break; 3451 } 3452 case SCTP_AUTH_SUPPORTED: 3453 { 3454 struct sctp_assoc_value *av; 3455 3456 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3457 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3458 3459 if (stcb) { 3460 av->assoc_value = stcb->asoc.auth_supported; 3461 SCTP_TCB_UNLOCK(stcb); 3462 } else { 3463 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3464 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3465 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3466 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3467 SCTP_INP_RLOCK(inp); 3468 av->assoc_value = inp->auth_supported; 3469 SCTP_INP_RUNLOCK(inp); 3470 } else { 3471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3472 error = EINVAL; 3473 } 3474 } 3475 if (error == 0) { 3476 *optsize = sizeof(struct sctp_assoc_value); 3477 } 3478 break; 3479 } 3480 case SCTP_ASCONF_SUPPORTED: 3481 { 3482 struct sctp_assoc_value *av; 3483 3484 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3485 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3486 3487 if (stcb) { 3488 av->assoc_value = stcb->asoc.asconf_supported; 3489 SCTP_TCB_UNLOCK(stcb); 3490 } else { 3491 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3492 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3493 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3494 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3495 SCTP_INP_RLOCK(inp); 3496 av->assoc_value = inp->asconf_supported; 3497 SCTP_INP_RUNLOCK(inp); 3498 } else { 3499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3500 error = EINVAL; 3501 } 3502 } 3503 if (error == 0) { 3504 *optsize = sizeof(struct sctp_assoc_value); 3505 } 3506 break; 3507 } 3508 case SCTP_RECONFIG_SUPPORTED: 3509 { 3510 struct sctp_assoc_value *av; 3511 3512 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3513 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3514 3515 if (stcb) { 3516 av->assoc_value = stcb->asoc.reconfig_supported; 3517 SCTP_TCB_UNLOCK(stcb); 3518 } else { 3519 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3520 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3521 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3522 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3523 SCTP_INP_RLOCK(inp); 3524 av->assoc_value = inp->reconfig_supported; 3525 SCTP_INP_RUNLOCK(inp); 3526 } else { 3527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3528 error = EINVAL; 3529 } 3530 } 3531 if (error == 0) { 3532 *optsize = sizeof(struct sctp_assoc_value); 3533 } 3534 break; 3535 } 3536 case SCTP_NRSACK_SUPPORTED: 3537 { 3538 struct sctp_assoc_value *av; 3539 3540 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3541 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3542 3543 if (stcb) { 3544 av->assoc_value = stcb->asoc.nrsack_supported; 3545 SCTP_TCB_UNLOCK(stcb); 3546 } else { 3547 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3548 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3549 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3550 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3551 SCTP_INP_RLOCK(inp); 3552 av->assoc_value = inp->nrsack_supported; 3553 SCTP_INP_RUNLOCK(inp); 3554 } else { 3555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3556 error = EINVAL; 3557 } 3558 } 3559 if (error == 0) { 3560 *optsize = sizeof(struct sctp_assoc_value); 3561 } 3562 break; 3563 } 3564 case SCTP_PKTDROP_SUPPORTED: 3565 { 3566 struct sctp_assoc_value *av; 3567 3568 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3569 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3570 3571 if (stcb) { 3572 av->assoc_value = stcb->asoc.pktdrop_supported; 3573 SCTP_TCB_UNLOCK(stcb); 3574 } else { 3575 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3576 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3577 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3578 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3579 SCTP_INP_RLOCK(inp); 3580 av->assoc_value = inp->pktdrop_supported; 3581 SCTP_INP_RUNLOCK(inp); 3582 } else { 3583 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3584 error = EINVAL; 3585 } 3586 } 3587 if (error == 0) { 3588 *optsize = sizeof(struct sctp_assoc_value); 3589 } 3590 break; 3591 } 3592 case SCTP_ENABLE_STREAM_RESET: 3593 { 3594 struct sctp_assoc_value *av; 3595 3596 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3597 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3598 3599 if (stcb) { 3600 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3601 SCTP_TCB_UNLOCK(stcb); 3602 } else { 3603 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3604 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3605 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3606 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3607 SCTP_INP_RLOCK(inp); 3608 av->assoc_value = (uint32_t)inp->local_strreset_support; 3609 SCTP_INP_RUNLOCK(inp); 3610 } else { 3611 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3612 error = EINVAL; 3613 } 3614 } 3615 if (error == 0) { 3616 *optsize = sizeof(struct sctp_assoc_value); 3617 } 3618 break; 3619 } 3620 case SCTP_PR_STREAM_STATUS: 3621 { 3622 struct sctp_prstatus *sprstat; 3623 uint16_t sid; 3624 uint16_t policy; 3625 3626 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3627 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3628 3629 sid = sprstat->sprstat_sid; 3630 policy = sprstat->sprstat_policy; 3631 #if defined(SCTP_DETAILED_STR_STATS) 3632 if ((stcb != NULL) && 3633 (sid < stcb->asoc.streamoutcnt) && 3634 (policy != SCTP_PR_SCTP_NONE) && 3635 ((policy <= SCTP_PR_SCTP_MAX) || 3636 (policy == SCTP_PR_SCTP_ALL))) { 3637 if (policy == SCTP_PR_SCTP_ALL) { 3638 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3639 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3640 } else { 3641 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3642 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3643 } 3644 #else 3645 if ((stcb != NULL) && 3646 (sid < stcb->asoc.streamoutcnt) && 3647 (policy == SCTP_PR_SCTP_ALL)) { 3648 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3649 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3650 #endif 3651 } else { 3652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3653 error = EINVAL; 3654 } 3655 if (stcb != NULL) { 3656 SCTP_TCB_UNLOCK(stcb); 3657 } 3658 if (error == 0) { 3659 *optsize = sizeof(struct sctp_prstatus); 3660 } 3661 break; 3662 } 3663 case SCTP_PR_ASSOC_STATUS: 3664 { 3665 struct sctp_prstatus *sprstat; 3666 uint16_t policy; 3667 3668 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3669 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3670 3671 policy = sprstat->sprstat_policy; 3672 if ((stcb != NULL) && 3673 (policy != SCTP_PR_SCTP_NONE) && 3674 ((policy <= SCTP_PR_SCTP_MAX) || 3675 (policy == SCTP_PR_SCTP_ALL))) { 3676 if (policy == SCTP_PR_SCTP_ALL) { 3677 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3678 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3679 } else { 3680 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3681 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3682 } 3683 } else { 3684 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3685 error = EINVAL; 3686 } 3687 if (stcb != NULL) { 3688 SCTP_TCB_UNLOCK(stcb); 3689 } 3690 if (error == 0) { 3691 *optsize = sizeof(struct sctp_prstatus); 3692 } 3693 break; 3694 } 3695 case SCTP_MAX_CWND: 3696 { 3697 struct sctp_assoc_value *av; 3698 3699 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3700 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3701 3702 if (stcb) { 3703 av->assoc_value = stcb->asoc.max_cwnd; 3704 SCTP_TCB_UNLOCK(stcb); 3705 } else { 3706 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3707 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3708 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3709 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3710 SCTP_INP_RLOCK(inp); 3711 av->assoc_value = inp->max_cwnd; 3712 SCTP_INP_RUNLOCK(inp); 3713 } else { 3714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3715 error = EINVAL; 3716 } 3717 } 3718 if (error == 0) { 3719 *optsize = sizeof(struct sctp_assoc_value); 3720 } 3721 break; 3722 } 3723 default: 3724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3725 error = ENOPROTOOPT; 3726 break; 3727 } /* end switch (sopt->sopt_name) */ 3728 if (error) { 3729 *optsize = 0; 3730 } 3731 return (error); 3732 } 3733 3734 static int 3735 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3736 void *p) 3737 { 3738 int error, set_opt; 3739 uint32_t *mopt; 3740 struct sctp_tcb *stcb = NULL; 3741 struct sctp_inpcb *inp = NULL; 3742 uint32_t vrf_id; 3743 3744 if (optval == NULL) { 3745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3746 return (EINVAL); 3747 } 3748 inp = (struct sctp_inpcb *)so->so_pcb; 3749 if (inp == NULL) { 3750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3751 return (EINVAL); 3752 } 3753 vrf_id = inp->def_vrf_id; 3754 3755 error = 0; 3756 switch (optname) { 3757 case SCTP_NODELAY: 3758 case SCTP_AUTOCLOSE: 3759 case SCTP_AUTO_ASCONF: 3760 case SCTP_EXPLICIT_EOR: 3761 case SCTP_DISABLE_FRAGMENTS: 3762 case SCTP_USE_EXT_RCVINFO: 3763 case SCTP_I_WANT_MAPPED_V4_ADDR: 3764 /* copy in the option value */ 3765 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3766 set_opt = 0; 3767 if (error) 3768 break; 3769 switch (optname) { 3770 case SCTP_DISABLE_FRAGMENTS: 3771 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3772 break; 3773 case SCTP_AUTO_ASCONF: 3774 /* 3775 * NOTE: we don't really support this flag 3776 */ 3777 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3778 /* only valid for bound all sockets */ 3779 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3780 (*mopt != 0)) { 3781 /* forbidden by admin */ 3782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3783 return (EPERM); 3784 } 3785 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3786 } else { 3787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3788 return (EINVAL); 3789 } 3790 break; 3791 case SCTP_EXPLICIT_EOR: 3792 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3793 break; 3794 case SCTP_USE_EXT_RCVINFO: 3795 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3796 break; 3797 case SCTP_I_WANT_MAPPED_V4_ADDR: 3798 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3799 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3800 } else { 3801 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3802 return (EINVAL); 3803 } 3804 break; 3805 case SCTP_NODELAY: 3806 set_opt = SCTP_PCB_FLAGS_NODELAY; 3807 break; 3808 case SCTP_AUTOCLOSE: 3809 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3810 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3812 return (EINVAL); 3813 } 3814 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3815 /* 3816 * The value is in ticks. Note this does not effect 3817 * old associations, only new ones. 3818 */ 3819 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3820 break; 3821 } 3822 SCTP_INP_WLOCK(inp); 3823 if (*mopt != 0) { 3824 sctp_feature_on(inp, set_opt); 3825 } else { 3826 sctp_feature_off(inp, set_opt); 3827 } 3828 SCTP_INP_WUNLOCK(inp); 3829 break; 3830 case SCTP_REUSE_PORT: 3831 { 3832 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3833 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3834 /* Can't set it after we are bound */ 3835 error = EINVAL; 3836 break; 3837 } 3838 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3839 /* Can't do this for a 1-m socket */ 3840 error = EINVAL; 3841 break; 3842 } 3843 if (optval) 3844 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3845 else 3846 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3847 break; 3848 } 3849 case SCTP_PARTIAL_DELIVERY_POINT: 3850 { 3851 uint32_t *value; 3852 3853 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3854 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3856 error = EINVAL; 3857 break; 3858 } 3859 inp->partial_delivery_point = *value; 3860 break; 3861 } 3862 case SCTP_FRAGMENT_INTERLEAVE: 3863 /* not yet until we re-write sctp_recvmsg() */ 3864 { 3865 uint32_t *level; 3866 3867 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3868 if (*level == SCTP_FRAG_LEVEL_2) { 3869 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3870 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3871 } else if (*level == SCTP_FRAG_LEVEL_1) { 3872 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3873 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3874 } else if (*level == SCTP_FRAG_LEVEL_0) { 3875 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3876 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3877 3878 } else { 3879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3880 error = EINVAL; 3881 } 3882 break; 3883 } 3884 case SCTP_INTERLEAVING_SUPPORTED: 3885 { 3886 struct sctp_assoc_value *av; 3887 3888 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3889 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3890 3891 if (stcb) { 3892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3893 error = EINVAL; 3894 SCTP_TCB_UNLOCK(stcb); 3895 } else { 3896 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3897 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3898 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3899 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3900 SCTP_INP_WLOCK(inp); 3901 if (av->assoc_value == 0) { 3902 inp->idata_supported = 0; 3903 } else { 3904 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3905 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3906 inp->idata_supported = 1; 3907 } else { 3908 /* 3909 * Must have Frag 3910 * interleave and 3911 * stream interleave 3912 * on 3913 */ 3914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3915 error = EINVAL; 3916 } 3917 } 3918 SCTP_INP_WUNLOCK(inp); 3919 } else { 3920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3921 error = EINVAL; 3922 } 3923 } 3924 break; 3925 } 3926 case SCTP_CMT_ON_OFF: 3927 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3928 struct sctp_assoc_value *av; 3929 3930 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3931 if (av->assoc_value > SCTP_CMT_MAX) { 3932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3933 error = EINVAL; 3934 break; 3935 } 3936 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3937 if (stcb) { 3938 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3939 SCTP_TCB_UNLOCK(stcb); 3940 } else { 3941 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3942 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3943 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3944 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3945 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3946 SCTP_INP_WLOCK(inp); 3947 inp->sctp_cmt_on_off = av->assoc_value; 3948 SCTP_INP_WUNLOCK(inp); 3949 } 3950 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3951 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3952 (av->assoc_id == SCTP_ALL_ASSOC))) { 3953 SCTP_INP_RLOCK(inp); 3954 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3955 SCTP_TCB_LOCK(stcb); 3956 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3957 SCTP_TCB_UNLOCK(stcb); 3958 } 3959 SCTP_INP_RUNLOCK(inp); 3960 } 3961 } 3962 } else { 3963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3964 error = ENOPROTOOPT; 3965 } 3966 break; 3967 case SCTP_PLUGGABLE_CC: 3968 { 3969 struct sctp_assoc_value *av; 3970 struct sctp_nets *net; 3971 3972 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3973 if ((av->assoc_value != SCTP_CC_RFC2581) && 3974 (av->assoc_value != SCTP_CC_HSTCP) && 3975 (av->assoc_value != SCTP_CC_HTCP) && 3976 (av->assoc_value != SCTP_CC_RTCC)) { 3977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3978 error = EINVAL; 3979 break; 3980 } 3981 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3982 if (stcb) { 3983 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3984 stcb->asoc.congestion_control_module = av->assoc_value; 3985 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3986 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3987 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3988 } 3989 } 3990 SCTP_TCB_UNLOCK(stcb); 3991 } else { 3992 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3993 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3994 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3995 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3996 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3997 SCTP_INP_WLOCK(inp); 3998 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3999 SCTP_INP_WUNLOCK(inp); 4000 } 4001 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4002 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4003 (av->assoc_id == SCTP_ALL_ASSOC))) { 4004 SCTP_INP_RLOCK(inp); 4005 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4006 SCTP_TCB_LOCK(stcb); 4007 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4008 stcb->asoc.congestion_control_module = av->assoc_value; 4009 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4010 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4011 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4012 } 4013 } 4014 SCTP_TCB_UNLOCK(stcb); 4015 } 4016 SCTP_INP_RUNLOCK(inp); 4017 } 4018 } 4019 break; 4020 } 4021 case SCTP_CC_OPTION: 4022 { 4023 struct sctp_cc_option *cc_opt; 4024 4025 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4026 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4027 if (stcb == NULL) { 4028 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4029 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4030 SCTP_INP_RLOCK(inp); 4031 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4032 SCTP_TCB_LOCK(stcb); 4033 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4034 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4035 } 4036 SCTP_TCB_UNLOCK(stcb); 4037 } 4038 SCTP_INP_RUNLOCK(inp); 4039 } else { 4040 error = EINVAL; 4041 } 4042 } else { 4043 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4044 error = ENOTSUP; 4045 } else { 4046 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4047 cc_opt); 4048 } 4049 SCTP_TCB_UNLOCK(stcb); 4050 } 4051 break; 4052 } 4053 case SCTP_PLUGGABLE_SS: 4054 { 4055 struct sctp_assoc_value *av; 4056 4057 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4058 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4059 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4060 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4061 (av->assoc_value != SCTP_SS_PRIORITY) && 4062 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4063 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4064 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4065 error = EINVAL; 4066 break; 4067 } 4068 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4069 if (stcb) { 4070 SCTP_TCB_SEND_LOCK(stcb); 4071 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4072 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4073 stcb->asoc.stream_scheduling_module = av->assoc_value; 4074 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4075 SCTP_TCB_SEND_UNLOCK(stcb); 4076 SCTP_TCB_UNLOCK(stcb); 4077 } else { 4078 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4079 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4080 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4081 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4082 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4083 SCTP_INP_WLOCK(inp); 4084 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4085 SCTP_INP_WUNLOCK(inp); 4086 } 4087 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4088 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4089 (av->assoc_id == SCTP_ALL_ASSOC))) { 4090 SCTP_INP_RLOCK(inp); 4091 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4092 SCTP_TCB_LOCK(stcb); 4093 SCTP_TCB_SEND_LOCK(stcb); 4094 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4095 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4096 stcb->asoc.stream_scheduling_module = av->assoc_value; 4097 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4098 SCTP_TCB_SEND_UNLOCK(stcb); 4099 SCTP_TCB_UNLOCK(stcb); 4100 } 4101 SCTP_INP_RUNLOCK(inp); 4102 } 4103 } 4104 break; 4105 } 4106 case SCTP_SS_VALUE: 4107 { 4108 struct sctp_stream_value *av; 4109 4110 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4111 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4112 if (stcb) { 4113 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4114 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4115 av->stream_value) < 0)) { 4116 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4117 error = EINVAL; 4118 } 4119 SCTP_TCB_UNLOCK(stcb); 4120 } else { 4121 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4122 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4123 SCTP_INP_RLOCK(inp); 4124 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4125 SCTP_TCB_LOCK(stcb); 4126 if (av->stream_id < stcb->asoc.streamoutcnt) { 4127 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4128 &stcb->asoc, 4129 &stcb->asoc.strmout[av->stream_id], 4130 av->stream_value); 4131 } 4132 SCTP_TCB_UNLOCK(stcb); 4133 } 4134 SCTP_INP_RUNLOCK(inp); 4135 } else { 4136 /* 4137 * Can't set stream value without 4138 * association 4139 */ 4140 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4141 error = EINVAL; 4142 } 4143 } 4144 break; 4145 } 4146 case SCTP_CLR_STAT_LOG: 4147 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4148 error = EOPNOTSUPP; 4149 break; 4150 case SCTP_CONTEXT: 4151 { 4152 struct sctp_assoc_value *av; 4153 4154 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4155 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4156 4157 if (stcb) { 4158 stcb->asoc.context = av->assoc_value; 4159 SCTP_TCB_UNLOCK(stcb); 4160 } else { 4161 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4162 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4163 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4164 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4165 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4166 SCTP_INP_WLOCK(inp); 4167 inp->sctp_context = av->assoc_value; 4168 SCTP_INP_WUNLOCK(inp); 4169 } 4170 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4171 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4172 (av->assoc_id == SCTP_ALL_ASSOC))) { 4173 SCTP_INP_RLOCK(inp); 4174 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4175 SCTP_TCB_LOCK(stcb); 4176 stcb->asoc.context = av->assoc_value; 4177 SCTP_TCB_UNLOCK(stcb); 4178 } 4179 SCTP_INP_RUNLOCK(inp); 4180 } 4181 } 4182 break; 4183 } 4184 case SCTP_VRF_ID: 4185 { 4186 uint32_t *default_vrfid; 4187 4188 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4189 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4191 error = EINVAL; 4192 break; 4193 } 4194 inp->def_vrf_id = *default_vrfid; 4195 break; 4196 } 4197 case SCTP_DEL_VRF_ID: 4198 { 4199 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4200 error = EOPNOTSUPP; 4201 break; 4202 } 4203 case SCTP_ADD_VRF_ID: 4204 { 4205 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4206 error = EOPNOTSUPP; 4207 break; 4208 } 4209 case SCTP_DELAYED_SACK: 4210 { 4211 struct sctp_sack_info *sack; 4212 4213 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4214 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4215 if (sack->sack_delay) { 4216 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4217 error = EINVAL; 4218 if (stcb != NULL) { 4219 SCTP_TCB_UNLOCK(stcb); 4220 } 4221 break; 4222 } 4223 } 4224 if (stcb) { 4225 if (sack->sack_delay) { 4226 stcb->asoc.delayed_ack = sack->sack_delay; 4227 } 4228 if (sack->sack_freq) { 4229 stcb->asoc.sack_freq = sack->sack_freq; 4230 } 4231 SCTP_TCB_UNLOCK(stcb); 4232 } else { 4233 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4234 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4235 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4236 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4237 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4238 SCTP_INP_WLOCK(inp); 4239 if (sack->sack_delay) { 4240 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4241 } 4242 if (sack->sack_freq) { 4243 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4244 } 4245 SCTP_INP_WUNLOCK(inp); 4246 } 4247 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4248 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4249 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4250 SCTP_INP_RLOCK(inp); 4251 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4252 SCTP_TCB_LOCK(stcb); 4253 if (sack->sack_delay) { 4254 stcb->asoc.delayed_ack = sack->sack_delay; 4255 } 4256 if (sack->sack_freq) { 4257 stcb->asoc.sack_freq = sack->sack_freq; 4258 } 4259 SCTP_TCB_UNLOCK(stcb); 4260 } 4261 SCTP_INP_RUNLOCK(inp); 4262 } 4263 } 4264 break; 4265 } 4266 case SCTP_AUTH_CHUNK: 4267 { 4268 struct sctp_authchunk *sauth; 4269 4270 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4271 4272 SCTP_INP_WLOCK(inp); 4273 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4274 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4275 error = EINVAL; 4276 } else { 4277 inp->auth_supported = 1; 4278 } 4279 SCTP_INP_WUNLOCK(inp); 4280 break; 4281 } 4282 case SCTP_AUTH_KEY: 4283 { 4284 struct sctp_authkey *sca; 4285 struct sctp_keyhead *shared_keys; 4286 sctp_sharedkey_t *shared_key; 4287 sctp_key_t *key = NULL; 4288 size_t size; 4289 4290 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4291 if (sca->sca_keylength == 0) { 4292 size = optsize - sizeof(struct sctp_authkey); 4293 } else { 4294 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4295 size = sca->sca_keylength; 4296 } else { 4297 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4298 error = EINVAL; 4299 break; 4300 } 4301 } 4302 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4303 4304 if (stcb) { 4305 shared_keys = &stcb->asoc.shared_keys; 4306 /* clear the cached keys for this key id */ 4307 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4308 /* 4309 * create the new shared key and 4310 * insert/replace it 4311 */ 4312 if (size > 0) { 4313 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4314 if (key == NULL) { 4315 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4316 error = ENOMEM; 4317 SCTP_TCB_UNLOCK(stcb); 4318 break; 4319 } 4320 } 4321 shared_key = sctp_alloc_sharedkey(); 4322 if (shared_key == NULL) { 4323 sctp_free_key(key); 4324 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4325 error = ENOMEM; 4326 SCTP_TCB_UNLOCK(stcb); 4327 break; 4328 } 4329 shared_key->key = key; 4330 shared_key->keyid = sca->sca_keynumber; 4331 error = sctp_insert_sharedkey(shared_keys, shared_key); 4332 SCTP_TCB_UNLOCK(stcb); 4333 } else { 4334 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4335 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4336 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4337 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4338 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4339 SCTP_INP_WLOCK(inp); 4340 shared_keys = &inp->sctp_ep.shared_keys; 4341 /* 4342 * clear the cached keys on all 4343 * assocs for this key id 4344 */ 4345 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4346 /* 4347 * create the new shared key and 4348 * insert/replace it 4349 */ 4350 if (size > 0) { 4351 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4352 if (key == NULL) { 4353 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4354 error = ENOMEM; 4355 SCTP_INP_WUNLOCK(inp); 4356 break; 4357 } 4358 } 4359 shared_key = sctp_alloc_sharedkey(); 4360 if (shared_key == NULL) { 4361 sctp_free_key(key); 4362 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4363 error = ENOMEM; 4364 SCTP_INP_WUNLOCK(inp); 4365 break; 4366 } 4367 shared_key->key = key; 4368 shared_key->keyid = sca->sca_keynumber; 4369 error = sctp_insert_sharedkey(shared_keys, shared_key); 4370 SCTP_INP_WUNLOCK(inp); 4371 } 4372 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4373 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4374 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4375 SCTP_INP_RLOCK(inp); 4376 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4377 SCTP_TCB_LOCK(stcb); 4378 shared_keys = &stcb->asoc.shared_keys; 4379 /* 4380 * clear the cached keys for 4381 * this key id 4382 */ 4383 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4384 /* 4385 * create the new shared key 4386 * and insert/replace it 4387 */ 4388 if (size > 0) { 4389 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4390 if (key == NULL) { 4391 SCTP_TCB_UNLOCK(stcb); 4392 continue; 4393 } 4394 } 4395 shared_key = sctp_alloc_sharedkey(); 4396 if (shared_key == NULL) { 4397 sctp_free_key(key); 4398 SCTP_TCB_UNLOCK(stcb); 4399 continue; 4400 } 4401 shared_key->key = key; 4402 shared_key->keyid = sca->sca_keynumber; 4403 error = sctp_insert_sharedkey(shared_keys, shared_key); 4404 SCTP_TCB_UNLOCK(stcb); 4405 } 4406 SCTP_INP_RUNLOCK(inp); 4407 } 4408 } 4409 break; 4410 } 4411 case SCTP_HMAC_IDENT: 4412 { 4413 struct sctp_hmacalgo *shmac; 4414 sctp_hmaclist_t *hmaclist; 4415 uint16_t hmacid; 4416 uint32_t i; 4417 4418 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4419 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4420 (shmac->shmac_number_of_idents > 0xffff)) { 4421 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4422 error = EINVAL; 4423 break; 4424 } 4425 4426 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4427 if (hmaclist == NULL) { 4428 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4429 error = ENOMEM; 4430 break; 4431 } 4432 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4433 hmacid = shmac->shmac_idents[i]; 4434 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4435 /* invalid HMACs were found */ ; 4436 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4437 error = EINVAL; 4438 sctp_free_hmaclist(hmaclist); 4439 goto sctp_set_hmac_done; 4440 } 4441 } 4442 for (i = 0; i < hmaclist->num_algo; i++) { 4443 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4444 /* already in list */ 4445 break; 4446 } 4447 } 4448 if (i == hmaclist->num_algo) { 4449 /* not found in list */ 4450 sctp_free_hmaclist(hmaclist); 4451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4452 error = EINVAL; 4453 break; 4454 } 4455 /* set it on the endpoint */ 4456 SCTP_INP_WLOCK(inp); 4457 if (inp->sctp_ep.local_hmacs) 4458 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4459 inp->sctp_ep.local_hmacs = hmaclist; 4460 SCTP_INP_WUNLOCK(inp); 4461 sctp_set_hmac_done: 4462 break; 4463 } 4464 case SCTP_AUTH_ACTIVE_KEY: 4465 { 4466 struct sctp_authkeyid *scact; 4467 4468 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4469 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4470 4471 /* set the active key on the right place */ 4472 if (stcb) { 4473 /* set the active key on the assoc */ 4474 if (sctp_auth_setactivekey(stcb, 4475 scact->scact_keynumber)) { 4476 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4477 SCTP_FROM_SCTP_USRREQ, 4478 EINVAL); 4479 error = EINVAL; 4480 } 4481 SCTP_TCB_UNLOCK(stcb); 4482 } else { 4483 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4484 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4485 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4486 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4487 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4488 SCTP_INP_WLOCK(inp); 4489 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4490 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4491 error = EINVAL; 4492 } 4493 SCTP_INP_WUNLOCK(inp); 4494 } 4495 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4496 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4497 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4498 SCTP_INP_RLOCK(inp); 4499 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4500 SCTP_TCB_LOCK(stcb); 4501 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4502 SCTP_TCB_UNLOCK(stcb); 4503 } 4504 SCTP_INP_RUNLOCK(inp); 4505 } 4506 } 4507 break; 4508 } 4509 case SCTP_AUTH_DELETE_KEY: 4510 { 4511 struct sctp_authkeyid *scdel; 4512 4513 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4514 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4515 4516 /* delete the key from the right place */ 4517 if (stcb) { 4518 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4519 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4520 error = EINVAL; 4521 } 4522 SCTP_TCB_UNLOCK(stcb); 4523 } else { 4524 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4525 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4526 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4527 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4528 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4529 SCTP_INP_WLOCK(inp); 4530 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4531 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4532 error = EINVAL; 4533 } 4534 SCTP_INP_WUNLOCK(inp); 4535 } 4536 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4537 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4538 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4539 SCTP_INP_RLOCK(inp); 4540 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4541 SCTP_TCB_LOCK(stcb); 4542 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4543 SCTP_TCB_UNLOCK(stcb); 4544 } 4545 SCTP_INP_RUNLOCK(inp); 4546 } 4547 } 4548 break; 4549 } 4550 case SCTP_AUTH_DEACTIVATE_KEY: 4551 { 4552 struct sctp_authkeyid *keyid; 4553 4554 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4555 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4556 4557 /* deactivate the key from the right place */ 4558 if (stcb) { 4559 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4561 error = EINVAL; 4562 } 4563 SCTP_TCB_UNLOCK(stcb); 4564 } else { 4565 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4566 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4567 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4568 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4569 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4570 SCTP_INP_WLOCK(inp); 4571 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4572 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4573 error = EINVAL; 4574 } 4575 SCTP_INP_WUNLOCK(inp); 4576 } 4577 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4578 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4579 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4580 SCTP_INP_RLOCK(inp); 4581 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4582 SCTP_TCB_LOCK(stcb); 4583 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4584 SCTP_TCB_UNLOCK(stcb); 4585 } 4586 SCTP_INP_RUNLOCK(inp); 4587 } 4588 } 4589 break; 4590 } 4591 case SCTP_ENABLE_STREAM_RESET: 4592 { 4593 struct sctp_assoc_value *av; 4594 4595 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4596 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4597 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4598 error = EINVAL; 4599 break; 4600 } 4601 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4602 if (stcb) { 4603 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4604 SCTP_TCB_UNLOCK(stcb); 4605 } else { 4606 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4607 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4608 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4609 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4610 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4611 SCTP_INP_WLOCK(inp); 4612 inp->local_strreset_support = (uint8_t)av->assoc_value; 4613 SCTP_INP_WUNLOCK(inp); 4614 } 4615 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4616 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4617 (av->assoc_id == SCTP_ALL_ASSOC))) { 4618 SCTP_INP_RLOCK(inp); 4619 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4620 SCTP_TCB_LOCK(stcb); 4621 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4622 SCTP_TCB_UNLOCK(stcb); 4623 } 4624 SCTP_INP_RUNLOCK(inp); 4625 } 4626 } 4627 break; 4628 } 4629 case SCTP_RESET_STREAMS: 4630 { 4631 struct sctp_reset_streams *strrst; 4632 int i, send_out = 0; 4633 int send_in = 0; 4634 4635 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4636 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4637 if (stcb == NULL) { 4638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4639 error = ENOENT; 4640 break; 4641 } 4642 if (stcb->asoc.reconfig_supported == 0) { 4643 /* 4644 * Peer does not support the chunk type. 4645 */ 4646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4647 error = EOPNOTSUPP; 4648 SCTP_TCB_UNLOCK(stcb); 4649 break; 4650 } 4651 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4653 error = EINVAL; 4654 SCTP_TCB_UNLOCK(stcb); 4655 break; 4656 } 4657 if (sizeof(struct sctp_reset_streams) + 4658 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4659 error = EINVAL; 4660 SCTP_TCB_UNLOCK(stcb); 4661 break; 4662 } 4663 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4664 send_in = 1; 4665 if (stcb->asoc.stream_reset_outstanding) { 4666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4667 error = EALREADY; 4668 SCTP_TCB_UNLOCK(stcb); 4669 break; 4670 } 4671 } 4672 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4673 send_out = 1; 4674 } 4675 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4677 error = ENOMEM; 4678 SCTP_TCB_UNLOCK(stcb); 4679 break; 4680 } 4681 if ((send_in == 0) && (send_out == 0)) { 4682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4683 error = EINVAL; 4684 SCTP_TCB_UNLOCK(stcb); 4685 break; 4686 } 4687 for (i = 0; i < strrst->srs_number_streams; i++) { 4688 if ((send_in) && 4689 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4691 error = EINVAL; 4692 break; 4693 } 4694 if ((send_out) && 4695 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4697 error = EINVAL; 4698 break; 4699 } 4700 } 4701 if (error) { 4702 SCTP_TCB_UNLOCK(stcb); 4703 break; 4704 } 4705 if (send_out) { 4706 int cnt; 4707 uint16_t strm; 4708 4709 if (strrst->srs_number_streams) { 4710 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4711 strm = strrst->srs_stream_list[i]; 4712 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4713 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4714 cnt++; 4715 } 4716 } 4717 } else { 4718 /* Its all */ 4719 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4720 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4721 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4722 cnt++; 4723 } 4724 } 4725 } 4726 } 4727 if (send_in) { 4728 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4729 strrst->srs_stream_list, 4730 send_in, 0, 0, 0, 0, 0); 4731 } else { 4732 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4733 } 4734 if (error == 0) { 4735 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4736 } else { 4737 /* 4738 * For outgoing streams don't report any 4739 * problems in sending the request to the 4740 * application. XXX: Double check resetting 4741 * incoming streams. 4742 */ 4743 error = 0; 4744 } 4745 SCTP_TCB_UNLOCK(stcb); 4746 break; 4747 } 4748 case SCTP_ADD_STREAMS: 4749 { 4750 struct sctp_add_streams *stradd; 4751 uint8_t addstream = 0; 4752 uint16_t add_o_strmcnt = 0; 4753 uint16_t add_i_strmcnt = 0; 4754 4755 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4756 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4757 if (stcb == NULL) { 4758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4759 error = ENOENT; 4760 break; 4761 } 4762 if (stcb->asoc.reconfig_supported == 0) { 4763 /* 4764 * Peer does not support the chunk type. 4765 */ 4766 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4767 error = EOPNOTSUPP; 4768 SCTP_TCB_UNLOCK(stcb); 4769 break; 4770 } 4771 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4772 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4773 error = EINVAL; 4774 SCTP_TCB_UNLOCK(stcb); 4775 break; 4776 } 4777 if (stcb->asoc.stream_reset_outstanding) { 4778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4779 error = EALREADY; 4780 SCTP_TCB_UNLOCK(stcb); 4781 break; 4782 } 4783 if ((stradd->sas_outstrms == 0) && 4784 (stradd->sas_instrms == 0)) { 4785 error = EINVAL; 4786 goto skip_stuff; 4787 } 4788 if (stradd->sas_outstrms) { 4789 addstream = 1; 4790 /* We allocate here */ 4791 add_o_strmcnt = stradd->sas_outstrms; 4792 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4793 /* You can't have more than 64k */ 4794 error = EINVAL; 4795 goto skip_stuff; 4796 } 4797 } 4798 if (stradd->sas_instrms) { 4799 int cnt; 4800 4801 addstream |= 2; 4802 /* 4803 * We allocate inside 4804 * sctp_send_str_reset_req() 4805 */ 4806 add_i_strmcnt = stradd->sas_instrms; 4807 cnt = add_i_strmcnt; 4808 cnt += stcb->asoc.streamincnt; 4809 if (cnt > 0x0000ffff) { 4810 /* You can't have more than 64k */ 4811 error = EINVAL; 4812 goto skip_stuff; 4813 } 4814 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4815 /* More than you are allowed */ 4816 error = EINVAL; 4817 goto skip_stuff; 4818 } 4819 } 4820 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4821 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4822 skip_stuff: 4823 SCTP_TCB_UNLOCK(stcb); 4824 break; 4825 } 4826 case SCTP_RESET_ASSOC: 4827 { 4828 int i; 4829 uint32_t *value; 4830 4831 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4832 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4833 if (stcb == NULL) { 4834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4835 error = ENOENT; 4836 break; 4837 } 4838 if (stcb->asoc.reconfig_supported == 0) { 4839 /* 4840 * Peer does not support the chunk type. 4841 */ 4842 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4843 error = EOPNOTSUPP; 4844 SCTP_TCB_UNLOCK(stcb); 4845 break; 4846 } 4847 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4849 error = EINVAL; 4850 SCTP_TCB_UNLOCK(stcb); 4851 break; 4852 } 4853 if (stcb->asoc.stream_reset_outstanding) { 4854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4855 error = EALREADY; 4856 SCTP_TCB_UNLOCK(stcb); 4857 break; 4858 } 4859 /* 4860 * Is there any data pending in the send or sent 4861 * queues? 4862 */ 4863 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4864 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4865 busy_out: 4866 error = EBUSY; 4867 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4868 SCTP_TCB_UNLOCK(stcb); 4869 break; 4870 } 4871 /* Do any streams have data queued? */ 4872 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4873 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4874 goto busy_out; 4875 } 4876 } 4877 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4878 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4879 SCTP_TCB_UNLOCK(stcb); 4880 break; 4881 } 4882 case SCTP_CONNECT_X: 4883 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4884 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4885 error = EINVAL; 4886 break; 4887 } 4888 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4889 break; 4890 case SCTP_CONNECT_X_DELAYED: 4891 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4893 error = EINVAL; 4894 break; 4895 } 4896 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4897 break; 4898 case SCTP_CONNECT_X_COMPLETE: 4899 { 4900 struct sockaddr *sa; 4901 4902 /* FIXME MT: check correct? */ 4903 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4904 4905 /* find tcb */ 4906 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4907 SCTP_INP_RLOCK(inp); 4908 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4909 if (stcb) { 4910 SCTP_TCB_LOCK(stcb); 4911 } 4912 SCTP_INP_RUNLOCK(inp); 4913 } else { 4914 /* 4915 * We increment here since 4916 * sctp_findassociation_ep_addr() wil do a 4917 * decrement if it finds the stcb as long as 4918 * the locked tcb (last argument) is NOT a 4919 * TCB.. aka NULL. 4920 */ 4921 SCTP_INP_INCR_REF(inp); 4922 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4923 if (stcb == NULL) { 4924 SCTP_INP_DECR_REF(inp); 4925 } 4926 } 4927 4928 if (stcb == NULL) { 4929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4930 error = ENOENT; 4931 break; 4932 } 4933 if (stcb->asoc.delayed_connection == 1) { 4934 stcb->asoc.delayed_connection = 0; 4935 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4936 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4937 stcb->asoc.primary_destination, 4938 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4939 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4940 } else { 4941 /* 4942 * already expired or did not use delayed 4943 * connectx 4944 */ 4945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4946 error = EALREADY; 4947 } 4948 SCTP_TCB_UNLOCK(stcb); 4949 break; 4950 } 4951 case SCTP_MAX_BURST: 4952 { 4953 struct sctp_assoc_value *av; 4954 4955 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4956 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4957 4958 if (stcb) { 4959 stcb->asoc.max_burst = av->assoc_value; 4960 SCTP_TCB_UNLOCK(stcb); 4961 } else { 4962 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4963 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4964 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4965 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4966 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4967 SCTP_INP_WLOCK(inp); 4968 inp->sctp_ep.max_burst = av->assoc_value; 4969 SCTP_INP_WUNLOCK(inp); 4970 } 4971 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4972 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4973 (av->assoc_id == SCTP_ALL_ASSOC))) { 4974 SCTP_INP_RLOCK(inp); 4975 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4976 SCTP_TCB_LOCK(stcb); 4977 stcb->asoc.max_burst = av->assoc_value; 4978 SCTP_TCB_UNLOCK(stcb); 4979 } 4980 SCTP_INP_RUNLOCK(inp); 4981 } 4982 } 4983 break; 4984 } 4985 case SCTP_MAXSEG: 4986 { 4987 struct sctp_assoc_value *av; 4988 4989 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4990 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4991 4992 if (stcb) { 4993 stcb->asoc.sctp_frag_point = av->assoc_value; 4994 SCTP_TCB_UNLOCK(stcb); 4995 } else { 4996 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4997 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4998 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4999 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 5000 SCTP_INP_WLOCK(inp); 5001 inp->sctp_frag_point = av->assoc_value; 5002 SCTP_INP_WUNLOCK(inp); 5003 } else { 5004 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5005 error = EINVAL; 5006 } 5007 } 5008 break; 5009 } 5010 case SCTP_EVENTS: 5011 { 5012 struct sctp_event_subscribe *events; 5013 5014 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5015 5016 SCTP_INP_WLOCK(inp); 5017 if (events->sctp_data_io_event) { 5018 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5019 } else { 5020 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5021 } 5022 5023 if (events->sctp_association_event) { 5024 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5025 } else { 5026 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5027 } 5028 5029 if (events->sctp_address_event) { 5030 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5031 } else { 5032 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5033 } 5034 5035 if (events->sctp_send_failure_event) { 5036 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5037 } else { 5038 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5039 } 5040 5041 if (events->sctp_peer_error_event) { 5042 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5043 } else { 5044 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5045 } 5046 5047 if (events->sctp_shutdown_event) { 5048 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5049 } else { 5050 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5051 } 5052 5053 if (events->sctp_partial_delivery_event) { 5054 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5055 } else { 5056 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5057 } 5058 5059 if (events->sctp_adaptation_layer_event) { 5060 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5061 } else { 5062 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5063 } 5064 5065 if (events->sctp_authentication_event) { 5066 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5067 } else { 5068 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5069 } 5070 5071 if (events->sctp_sender_dry_event) { 5072 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5073 } else { 5074 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5075 } 5076 5077 if (events->sctp_stream_reset_event) { 5078 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5079 } else { 5080 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5081 } 5082 SCTP_INP_WUNLOCK(inp); 5083 5084 SCTP_INP_RLOCK(inp); 5085 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5086 SCTP_TCB_LOCK(stcb); 5087 if (events->sctp_association_event) { 5088 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5089 } else { 5090 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5091 } 5092 if (events->sctp_address_event) { 5093 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5094 } else { 5095 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5096 } 5097 if (events->sctp_send_failure_event) { 5098 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5099 } else { 5100 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5101 } 5102 if (events->sctp_peer_error_event) { 5103 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5104 } else { 5105 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5106 } 5107 if (events->sctp_shutdown_event) { 5108 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5109 } else { 5110 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5111 } 5112 if (events->sctp_partial_delivery_event) { 5113 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5114 } else { 5115 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5116 } 5117 if (events->sctp_adaptation_layer_event) { 5118 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5119 } else { 5120 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5121 } 5122 if (events->sctp_authentication_event) { 5123 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5124 } else { 5125 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5126 } 5127 if (events->sctp_sender_dry_event) { 5128 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5129 } else { 5130 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5131 } 5132 if (events->sctp_stream_reset_event) { 5133 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5134 } else { 5135 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5136 } 5137 SCTP_TCB_UNLOCK(stcb); 5138 } 5139 /* 5140 * Send up the sender dry event only for 1-to-1 5141 * style sockets. 5142 */ 5143 if (events->sctp_sender_dry_event) { 5144 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5145 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5146 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5147 if (stcb) { 5148 SCTP_TCB_LOCK(stcb); 5149 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5150 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5151 (stcb->asoc.stream_queue_cnt == 0)) { 5152 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5153 } 5154 SCTP_TCB_UNLOCK(stcb); 5155 } 5156 } 5157 } 5158 SCTP_INP_RUNLOCK(inp); 5159 break; 5160 } 5161 case SCTP_ADAPTATION_LAYER: 5162 { 5163 struct sctp_setadaptation *adap_bits; 5164 5165 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5166 SCTP_INP_WLOCK(inp); 5167 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5168 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5169 SCTP_INP_WUNLOCK(inp); 5170 break; 5171 } 5172 #ifdef SCTP_DEBUG 5173 case SCTP_SET_INITIAL_DBG_SEQ: 5174 { 5175 uint32_t *vvv; 5176 5177 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5178 SCTP_INP_WLOCK(inp); 5179 inp->sctp_ep.initial_sequence_debug = *vvv; 5180 SCTP_INP_WUNLOCK(inp); 5181 break; 5182 } 5183 #endif 5184 case SCTP_DEFAULT_SEND_PARAM: 5185 { 5186 struct sctp_sndrcvinfo *s_info; 5187 5188 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5189 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5190 5191 if (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 } else { 5195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5196 error = EINVAL; 5197 } 5198 SCTP_TCB_UNLOCK(stcb); 5199 } else { 5200 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5201 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5202 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5203 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5204 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5205 SCTP_INP_WLOCK(inp); 5206 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5207 SCTP_INP_WUNLOCK(inp); 5208 } 5209 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5210 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5211 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5212 SCTP_INP_RLOCK(inp); 5213 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5214 SCTP_TCB_LOCK(stcb); 5215 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5216 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5217 } 5218 SCTP_TCB_UNLOCK(stcb); 5219 } 5220 SCTP_INP_RUNLOCK(inp); 5221 } 5222 } 5223 break; 5224 } 5225 case SCTP_PEER_ADDR_PARAMS: 5226 { 5227 struct sctp_paddrparams *paddrp; 5228 struct sctp_nets *net; 5229 struct sockaddr *addr; 5230 #if defined(INET) && defined(INET6) 5231 struct sockaddr_in sin_store; 5232 #endif 5233 5234 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5235 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5236 5237 #if defined(INET) && defined(INET6) 5238 if (paddrp->spp_address.ss_family == AF_INET6) { 5239 struct sockaddr_in6 *sin6; 5240 5241 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5242 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5243 in6_sin6_2_sin(&sin_store, sin6); 5244 addr = (struct sockaddr *)&sin_store; 5245 } else { 5246 addr = (struct sockaddr *)&paddrp->spp_address; 5247 } 5248 } else { 5249 addr = (struct sockaddr *)&paddrp->spp_address; 5250 } 5251 #else 5252 addr = (struct sockaddr *)&paddrp->spp_address; 5253 #endif 5254 if (stcb != NULL) { 5255 net = sctp_findnet(stcb, addr); 5256 } else { 5257 /* 5258 * We increment here since 5259 * sctp_findassociation_ep_addr() wil do a 5260 * decrement if it finds the stcb as long as 5261 * the locked tcb (last argument) is NOT a 5262 * TCB.. aka NULL. 5263 */ 5264 net = NULL; 5265 SCTP_INP_INCR_REF(inp); 5266 stcb = sctp_findassociation_ep_addr(&inp, addr, 5267 &net, NULL, NULL); 5268 if (stcb == NULL) { 5269 SCTP_INP_DECR_REF(inp); 5270 } 5271 } 5272 if ((stcb != NULL) && (net == NULL)) { 5273 #ifdef INET 5274 if (addr->sa_family == AF_INET) { 5275 struct sockaddr_in *sin; 5276 5277 sin = (struct sockaddr_in *)addr; 5278 if (sin->sin_addr.s_addr != INADDR_ANY) { 5279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5280 SCTP_TCB_UNLOCK(stcb); 5281 error = EINVAL; 5282 break; 5283 } 5284 } else 5285 #endif 5286 #ifdef INET6 5287 if (addr->sa_family == AF_INET6) { 5288 struct sockaddr_in6 *sin6; 5289 5290 sin6 = (struct sockaddr_in6 *)addr; 5291 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5292 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5293 SCTP_TCB_UNLOCK(stcb); 5294 error = EINVAL; 5295 break; 5296 } 5297 } else 5298 #endif 5299 { 5300 error = EAFNOSUPPORT; 5301 SCTP_TCB_UNLOCK(stcb); 5302 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5303 break; 5304 } 5305 } 5306 /* sanity checks */ 5307 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5308 if (stcb) 5309 SCTP_TCB_UNLOCK(stcb); 5310 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5311 return (EINVAL); 5312 } 5313 5314 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5315 if (stcb) 5316 SCTP_TCB_UNLOCK(stcb); 5317 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5318 return (EINVAL); 5319 } 5320 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5321 (paddrp->spp_pathmtu > 0) && 5322 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5323 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5324 if (stcb) 5325 SCTP_TCB_UNLOCK(stcb); 5326 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5327 return (EINVAL); 5328 } 5329 5330 if (stcb != NULL) { 5331 /************************TCB SPECIFIC SET ******************/ 5332 if (net != NULL) { 5333 /************************NET SPECIFIC SET ******************/ 5334 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5335 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5336 !(net->dest_state & SCTP_ADDR_NOHB)) { 5337 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5338 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5339 } 5340 net->dest_state |= SCTP_ADDR_NOHB; 5341 } 5342 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5343 if (paddrp->spp_hbinterval) { 5344 net->heart_beat_delay = paddrp->spp_hbinterval; 5345 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5346 net->heart_beat_delay = 0; 5347 } 5348 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5349 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5350 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5351 net->dest_state &= ~SCTP_ADDR_NOHB; 5352 } 5353 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5354 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5355 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5356 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5357 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5358 } 5359 } 5360 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5361 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5362 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5363 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5364 } 5365 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5366 if (paddrp->spp_pathmtu > 0) { 5367 net->mtu = paddrp->spp_pathmtu; 5368 switch (net->ro._l_addr.sa.sa_family) { 5369 #ifdef INET 5370 case AF_INET: 5371 net->mtu += SCTP_MIN_V4_OVERHEAD; 5372 break; 5373 #endif 5374 #ifdef INET6 5375 case AF_INET6: 5376 net->mtu += SCTP_MIN_OVERHEAD; 5377 break; 5378 #endif 5379 default: 5380 break; 5381 } 5382 if (net->mtu < stcb->asoc.smallest_mtu) { 5383 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5384 } 5385 } 5386 } 5387 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5388 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5389 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5390 } 5391 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5392 } 5393 if (paddrp->spp_pathmaxrxt > 0) { 5394 if (net->dest_state & SCTP_ADDR_PF) { 5395 if (net->error_count > paddrp->spp_pathmaxrxt) { 5396 net->dest_state &= ~SCTP_ADDR_PF; 5397 } 5398 } else { 5399 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5400 (net->error_count > net->pf_threshold)) { 5401 net->dest_state |= SCTP_ADDR_PF; 5402 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5403 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5404 stcb->sctp_ep, stcb, net, 5405 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5406 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5407 } 5408 } 5409 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5410 if (net->error_count > paddrp->spp_pathmaxrxt) { 5411 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5412 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5413 } 5414 } else { 5415 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5416 net->dest_state |= SCTP_ADDR_REACHABLE; 5417 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5418 } 5419 } 5420 net->failure_threshold = paddrp->spp_pathmaxrxt; 5421 } 5422 if (paddrp->spp_flags & SPP_DSCP) { 5423 net->dscp = paddrp->spp_dscp & 0xfc; 5424 net->dscp |= 0x01; 5425 } 5426 #ifdef INET6 5427 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5428 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5429 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5430 net->flowlabel |= 0x80000000; 5431 } 5432 } 5433 #endif 5434 } else { 5435 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5436 if (paddrp->spp_pathmaxrxt > 0) { 5437 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5438 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5439 if (net->dest_state & SCTP_ADDR_PF) { 5440 if (net->error_count > paddrp->spp_pathmaxrxt) { 5441 net->dest_state &= ~SCTP_ADDR_PF; 5442 } 5443 } else { 5444 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5445 (net->error_count > net->pf_threshold)) { 5446 net->dest_state |= SCTP_ADDR_PF; 5447 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5448 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5449 stcb->sctp_ep, stcb, net, 5450 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5451 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5452 } 5453 } 5454 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5455 if (net->error_count > paddrp->spp_pathmaxrxt) { 5456 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5457 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5458 } 5459 } else { 5460 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5461 net->dest_state |= SCTP_ADDR_REACHABLE; 5462 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5463 } 5464 } 5465 net->failure_threshold = paddrp->spp_pathmaxrxt; 5466 } 5467 } 5468 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5469 if (paddrp->spp_hbinterval != 0) { 5470 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5471 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5472 stcb->asoc.heart_beat_delay = 0; 5473 } 5474 /* Turn back on the timer */ 5475 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5476 if (paddrp->spp_hbinterval != 0) { 5477 net->heart_beat_delay = paddrp->spp_hbinterval; 5478 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5479 net->heart_beat_delay = 0; 5480 } 5481 if (net->dest_state & SCTP_ADDR_NOHB) { 5482 net->dest_state &= ~SCTP_ADDR_NOHB; 5483 } 5484 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5485 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5486 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5487 } 5488 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5489 } 5490 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5491 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5492 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5493 net->dest_state |= SCTP_ADDR_NOHB; 5494 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5495 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5496 inp, stcb, net, 5497 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5498 } 5499 } 5500 } 5501 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5502 } 5503 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5504 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5505 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5506 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5507 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5508 } 5509 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5510 if (paddrp->spp_pathmtu > 0) { 5511 net->mtu = paddrp->spp_pathmtu; 5512 switch (net->ro._l_addr.sa.sa_family) { 5513 #ifdef INET 5514 case AF_INET: 5515 net->mtu += SCTP_MIN_V4_OVERHEAD; 5516 break; 5517 #endif 5518 #ifdef INET6 5519 case AF_INET6: 5520 net->mtu += SCTP_MIN_OVERHEAD; 5521 break; 5522 #endif 5523 default: 5524 break; 5525 } 5526 if (net->mtu < stcb->asoc.smallest_mtu) { 5527 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5528 } 5529 } 5530 } 5531 if (paddrp->spp_pathmtu > 0) { 5532 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5533 } 5534 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5535 } 5536 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5537 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5538 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5539 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5540 } 5541 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5542 } 5543 stcb->asoc.default_mtu = 0; 5544 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5545 } 5546 if (paddrp->spp_flags & SPP_DSCP) { 5547 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5548 net->dscp = paddrp->spp_dscp & 0xfc; 5549 net->dscp |= 0x01; 5550 } 5551 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5552 stcb->asoc.default_dscp |= 0x01; 5553 } 5554 #ifdef INET6 5555 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5556 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5557 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5558 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5559 net->flowlabel |= 0x80000000; 5560 } 5561 } 5562 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5563 stcb->asoc.default_flowlabel |= 0x80000000; 5564 } 5565 #endif 5566 } 5567 SCTP_TCB_UNLOCK(stcb); 5568 } else { 5569 /************************NO TCB, SET TO default stuff ******************/ 5570 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5571 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5572 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5573 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5574 SCTP_INP_WLOCK(inp); 5575 /* 5576 * For the TOS/FLOWLABEL stuff you 5577 * set it with the options on the 5578 * socket 5579 */ 5580 if (paddrp->spp_pathmaxrxt > 0) { 5581 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5582 } 5583 5584 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5585 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5586 else if (paddrp->spp_hbinterval != 0) { 5587 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5588 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5589 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5590 } 5591 5592 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5593 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5594 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5595 } else if (paddrp->spp_hbinterval) { 5596 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5597 } 5598 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5599 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5600 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5601 } 5602 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5603 inp->sctp_ep.default_mtu = 0; 5604 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5605 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5606 if (paddrp->spp_pathmtu > 0) { 5607 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5608 } 5609 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5610 } 5611 if (paddrp->spp_flags & SPP_DSCP) { 5612 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5613 inp->sctp_ep.default_dscp |= 0x01; 5614 } 5615 #ifdef INET6 5616 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5617 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5618 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5619 inp->sctp_ep.default_flowlabel |= 0x80000000; 5620 } 5621 } 5622 #endif 5623 SCTP_INP_WUNLOCK(inp); 5624 } else { 5625 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5626 error = EINVAL; 5627 } 5628 } 5629 break; 5630 } 5631 case SCTP_RTOINFO: 5632 { 5633 struct sctp_rtoinfo *srto; 5634 uint32_t new_init, new_min, new_max; 5635 5636 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5637 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5638 5639 if (stcb) { 5640 if (srto->srto_initial) 5641 new_init = srto->srto_initial; 5642 else 5643 new_init = stcb->asoc.initial_rto; 5644 if (srto->srto_max) 5645 new_max = srto->srto_max; 5646 else 5647 new_max = stcb->asoc.maxrto; 5648 if (srto->srto_min) 5649 new_min = srto->srto_min; 5650 else 5651 new_min = stcb->asoc.minrto; 5652 if ((new_min <= new_init) && (new_init <= new_max)) { 5653 stcb->asoc.initial_rto = new_init; 5654 stcb->asoc.maxrto = new_max; 5655 stcb->asoc.minrto = new_min; 5656 } else { 5657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5658 error = EINVAL; 5659 } 5660 SCTP_TCB_UNLOCK(stcb); 5661 } else { 5662 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5663 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5664 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5665 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5666 SCTP_INP_WLOCK(inp); 5667 if (srto->srto_initial) 5668 new_init = srto->srto_initial; 5669 else 5670 new_init = inp->sctp_ep.initial_rto; 5671 if (srto->srto_max) 5672 new_max = srto->srto_max; 5673 else 5674 new_max = inp->sctp_ep.sctp_maxrto; 5675 if (srto->srto_min) 5676 new_min = srto->srto_min; 5677 else 5678 new_min = inp->sctp_ep.sctp_minrto; 5679 if ((new_min <= new_init) && (new_init <= new_max)) { 5680 inp->sctp_ep.initial_rto = new_init; 5681 inp->sctp_ep.sctp_maxrto = new_max; 5682 inp->sctp_ep.sctp_minrto = new_min; 5683 } else { 5684 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5685 error = EINVAL; 5686 } 5687 SCTP_INP_WUNLOCK(inp); 5688 } else { 5689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5690 error = EINVAL; 5691 } 5692 } 5693 break; 5694 } 5695 case SCTP_ASSOCINFO: 5696 { 5697 struct sctp_assocparams *sasoc; 5698 5699 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5700 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5701 if (sasoc->sasoc_cookie_life > 0) { 5702 /* boundary check the cookie life */ 5703 if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) { 5704 sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE; 5705 } 5706 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5707 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5708 } 5709 } 5710 if (stcb) { 5711 if (sasoc->sasoc_asocmaxrxt > 0) { 5712 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5713 } 5714 if (sasoc->sasoc_cookie_life > 0) { 5715 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5716 } 5717 SCTP_TCB_UNLOCK(stcb); 5718 } else { 5719 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5720 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5721 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5722 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5723 SCTP_INP_WLOCK(inp); 5724 if (sasoc->sasoc_asocmaxrxt > 0) { 5725 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5726 } 5727 if (sasoc->sasoc_cookie_life > 0) { 5728 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5729 } 5730 SCTP_INP_WUNLOCK(inp); 5731 } else { 5732 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5733 error = EINVAL; 5734 } 5735 } 5736 break; 5737 } 5738 case SCTP_INITMSG: 5739 { 5740 struct sctp_initmsg *sinit; 5741 5742 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5743 SCTP_INP_WLOCK(inp); 5744 if (sinit->sinit_num_ostreams) 5745 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5746 5747 if (sinit->sinit_max_instreams) 5748 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5749 5750 if (sinit->sinit_max_attempts) 5751 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5752 5753 if (sinit->sinit_max_init_timeo) 5754 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5755 SCTP_INP_WUNLOCK(inp); 5756 break; 5757 } 5758 case SCTP_PRIMARY_ADDR: 5759 { 5760 struct sctp_setprim *spa; 5761 struct sctp_nets *net; 5762 struct sockaddr *addr; 5763 #if defined(INET) && defined(INET6) 5764 struct sockaddr_in sin_store; 5765 #endif 5766 5767 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5768 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5769 5770 #if defined(INET) && defined(INET6) 5771 if (spa->ssp_addr.ss_family == AF_INET6) { 5772 struct sockaddr_in6 *sin6; 5773 5774 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5775 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5776 in6_sin6_2_sin(&sin_store, sin6); 5777 addr = (struct sockaddr *)&sin_store; 5778 } else { 5779 addr = (struct sockaddr *)&spa->ssp_addr; 5780 } 5781 } else { 5782 addr = (struct sockaddr *)&spa->ssp_addr; 5783 } 5784 #else 5785 addr = (struct sockaddr *)&spa->ssp_addr; 5786 #endif 5787 if (stcb != NULL) { 5788 net = sctp_findnet(stcb, addr); 5789 } else { 5790 /* 5791 * We increment here since 5792 * sctp_findassociation_ep_addr() wil do a 5793 * decrement if it finds the stcb as long as 5794 * the locked tcb (last argument) is NOT a 5795 * TCB.. aka NULL. 5796 */ 5797 net = NULL; 5798 SCTP_INP_INCR_REF(inp); 5799 stcb = sctp_findassociation_ep_addr(&inp, addr, 5800 &net, NULL, NULL); 5801 if (stcb == NULL) { 5802 SCTP_INP_DECR_REF(inp); 5803 } 5804 } 5805 5806 if ((stcb != NULL) && (net != NULL)) { 5807 if (net != stcb->asoc.primary_destination) { 5808 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5809 /* Ok we need to set it */ 5810 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5811 if ((stcb->asoc.alternate) && 5812 (!(net->dest_state & SCTP_ADDR_PF)) && 5813 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5814 sctp_free_remote_addr(stcb->asoc.alternate); 5815 stcb->asoc.alternate = NULL; 5816 } 5817 } else { 5818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5819 error = EINVAL; 5820 } 5821 } else { 5822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5823 error = EINVAL; 5824 } 5825 } 5826 } else { 5827 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5828 error = EINVAL; 5829 } 5830 if (stcb != NULL) { 5831 SCTP_TCB_UNLOCK(stcb); 5832 } 5833 break; 5834 } 5835 case SCTP_SET_DYNAMIC_PRIMARY: 5836 { 5837 union sctp_sockstore *ss; 5838 5839 error = priv_check(curthread, 5840 PRIV_NETINET_RESERVEDPORT); 5841 if (error) 5842 break; 5843 5844 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5845 /* SUPER USER CHECK? */ 5846 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5847 break; 5848 } 5849 case SCTP_SET_PEER_PRIMARY_ADDR: 5850 { 5851 struct sctp_setpeerprim *sspp; 5852 struct sockaddr *addr; 5853 #if defined(INET) && defined(INET6) 5854 struct sockaddr_in sin_store; 5855 #endif 5856 5857 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5858 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5859 if (stcb != NULL) { 5860 struct sctp_ifa *ifa; 5861 5862 #if defined(INET) && defined(INET6) 5863 if (sspp->sspp_addr.ss_family == AF_INET6) { 5864 struct sockaddr_in6 *sin6; 5865 5866 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5867 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5868 in6_sin6_2_sin(&sin_store, sin6); 5869 addr = (struct sockaddr *)&sin_store; 5870 } else { 5871 addr = (struct sockaddr *)&sspp->sspp_addr; 5872 } 5873 } else { 5874 addr = (struct sockaddr *)&sspp->sspp_addr; 5875 } 5876 #else 5877 addr = (struct sockaddr *)&sspp->sspp_addr; 5878 #endif 5879 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5880 if (ifa == NULL) { 5881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5882 error = EINVAL; 5883 goto out_of_it; 5884 } 5885 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5886 /* 5887 * Must validate the ifa found is in 5888 * our ep 5889 */ 5890 struct sctp_laddr *laddr; 5891 int found = 0; 5892 5893 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5894 if (laddr->ifa == NULL) { 5895 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5896 __func__); 5897 continue; 5898 } 5899 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5900 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5901 continue; 5902 } 5903 if (laddr->ifa == ifa) { 5904 found = 1; 5905 break; 5906 } 5907 } 5908 if (!found) { 5909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5910 error = EINVAL; 5911 goto out_of_it; 5912 } 5913 } else { 5914 switch (addr->sa_family) { 5915 #ifdef INET 5916 case AF_INET: 5917 { 5918 struct sockaddr_in *sin; 5919 5920 sin = (struct sockaddr_in *)addr; 5921 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5922 &sin->sin_addr) != 0) { 5923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5924 error = EINVAL; 5925 goto out_of_it; 5926 } 5927 break; 5928 } 5929 #endif 5930 #ifdef INET6 5931 case AF_INET6: 5932 { 5933 struct sockaddr_in6 *sin6; 5934 5935 sin6 = (struct sockaddr_in6 *)addr; 5936 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5937 &sin6->sin6_addr) != 0) { 5938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5939 error = EINVAL; 5940 goto out_of_it; 5941 } 5942 break; 5943 } 5944 #endif 5945 default: 5946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5947 error = EINVAL; 5948 goto out_of_it; 5949 } 5950 } 5951 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5953 error = EINVAL; 5954 } 5955 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5956 out_of_it: 5957 SCTP_TCB_UNLOCK(stcb); 5958 } else { 5959 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5960 error = EINVAL; 5961 } 5962 break; 5963 } 5964 case SCTP_BINDX_ADD_ADDR: 5965 { 5966 struct sockaddr *sa; 5967 struct thread *td; 5968 5969 td = (struct thread *)p; 5970 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5971 #ifdef INET 5972 if (sa->sa_family == AF_INET) { 5973 if (optsize < sizeof(struct sockaddr_in)) { 5974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5975 error = EINVAL; 5976 break; 5977 } 5978 if (td != NULL && 5979 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5980 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5981 break; 5982 } 5983 } else 5984 #endif 5985 #ifdef INET6 5986 if (sa->sa_family == AF_INET6) { 5987 if (optsize < sizeof(struct sockaddr_in6)) { 5988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5989 error = EINVAL; 5990 break; 5991 } 5992 if (td != NULL && 5993 (error = prison_local_ip6(td->td_ucred, 5994 &(((struct sockaddr_in6 *)sa)->sin6_addr), 5995 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5996 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5997 break; 5998 } 5999 } else 6000 #endif 6001 { 6002 error = EAFNOSUPPORT; 6003 break; 6004 } 6005 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 6006 break; 6007 } 6008 case SCTP_BINDX_REM_ADDR: 6009 { 6010 struct sockaddr *sa; 6011 struct thread *td; 6012 6013 td = (struct thread *)p; 6014 6015 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 6016 #ifdef INET 6017 if (sa->sa_family == AF_INET) { 6018 if (optsize < sizeof(struct sockaddr_in)) { 6019 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6020 error = EINVAL; 6021 break; 6022 } 6023 if (td != NULL && 6024 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6025 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6026 break; 6027 } 6028 } else 6029 #endif 6030 #ifdef INET6 6031 if (sa->sa_family == AF_INET6) { 6032 if (optsize < sizeof(struct sockaddr_in6)) { 6033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6034 error = EINVAL; 6035 break; 6036 } 6037 if (td != NULL && 6038 (error = prison_local_ip6(td->td_ucred, 6039 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6040 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6041 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6042 break; 6043 } 6044 } else 6045 #endif 6046 { 6047 error = EAFNOSUPPORT; 6048 break; 6049 } 6050 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6051 break; 6052 } 6053 case SCTP_EVENT: 6054 { 6055 struct sctp_event *event; 6056 uint32_t event_type; 6057 6058 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6059 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6060 switch (event->se_type) { 6061 case SCTP_ASSOC_CHANGE: 6062 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6063 break; 6064 case SCTP_PEER_ADDR_CHANGE: 6065 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6066 break; 6067 case SCTP_REMOTE_ERROR: 6068 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6069 break; 6070 case SCTP_SEND_FAILED: 6071 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6072 break; 6073 case SCTP_SHUTDOWN_EVENT: 6074 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6075 break; 6076 case SCTP_ADAPTATION_INDICATION: 6077 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6078 break; 6079 case SCTP_PARTIAL_DELIVERY_EVENT: 6080 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6081 break; 6082 case SCTP_AUTHENTICATION_EVENT: 6083 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6084 break; 6085 case SCTP_STREAM_RESET_EVENT: 6086 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6087 break; 6088 case SCTP_SENDER_DRY_EVENT: 6089 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6090 break; 6091 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6092 event_type = 0; 6093 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6094 error = ENOTSUP; 6095 break; 6096 case SCTP_ASSOC_RESET_EVENT: 6097 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6098 break; 6099 case SCTP_STREAM_CHANGE_EVENT: 6100 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6101 break; 6102 case SCTP_SEND_FAILED_EVENT: 6103 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6104 break; 6105 default: 6106 event_type = 0; 6107 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6108 error = EINVAL; 6109 break; 6110 } 6111 if (event_type > 0) { 6112 if (stcb) { 6113 if (event->se_on) { 6114 sctp_stcb_feature_on(inp, stcb, event_type); 6115 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6116 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6117 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6118 (stcb->asoc.stream_queue_cnt == 0)) { 6119 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6120 } 6121 } 6122 } else { 6123 sctp_stcb_feature_off(inp, stcb, event_type); 6124 } 6125 SCTP_TCB_UNLOCK(stcb); 6126 } else { 6127 /* 6128 * We don't want to send up a storm 6129 * of events, so return an error for 6130 * sender dry events 6131 */ 6132 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6133 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6134 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6135 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6136 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6137 error = ENOTSUP; 6138 break; 6139 } 6140 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6141 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6142 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6143 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6144 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6145 SCTP_INP_WLOCK(inp); 6146 if (event->se_on) { 6147 sctp_feature_on(inp, event_type); 6148 } else { 6149 sctp_feature_off(inp, event_type); 6150 } 6151 SCTP_INP_WUNLOCK(inp); 6152 } 6153 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6154 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6155 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6156 SCTP_INP_RLOCK(inp); 6157 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6158 SCTP_TCB_LOCK(stcb); 6159 if (event->se_on) { 6160 sctp_stcb_feature_on(inp, stcb, event_type); 6161 } else { 6162 sctp_stcb_feature_off(inp, stcb, event_type); 6163 } 6164 SCTP_TCB_UNLOCK(stcb); 6165 } 6166 SCTP_INP_RUNLOCK(inp); 6167 } 6168 } 6169 } else { 6170 if (stcb) { 6171 SCTP_TCB_UNLOCK(stcb); 6172 } 6173 } 6174 break; 6175 } 6176 case SCTP_RECVRCVINFO: 6177 { 6178 int *onoff; 6179 6180 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6181 SCTP_INP_WLOCK(inp); 6182 if (*onoff != 0) { 6183 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6184 } else { 6185 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6186 } 6187 SCTP_INP_WUNLOCK(inp); 6188 break; 6189 } 6190 case SCTP_RECVNXTINFO: 6191 { 6192 int *onoff; 6193 6194 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6195 SCTP_INP_WLOCK(inp); 6196 if (*onoff != 0) { 6197 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6198 } else { 6199 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6200 } 6201 SCTP_INP_WUNLOCK(inp); 6202 break; 6203 } 6204 case SCTP_DEFAULT_SNDINFO: 6205 { 6206 struct sctp_sndinfo *info; 6207 uint16_t policy; 6208 6209 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6210 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6211 6212 if (stcb) { 6213 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6214 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6215 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6216 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6217 stcb->asoc.def_send.sinfo_flags |= policy; 6218 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6219 stcb->asoc.def_send.sinfo_context = info->snd_context; 6220 } else { 6221 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6222 error = EINVAL; 6223 } 6224 SCTP_TCB_UNLOCK(stcb); 6225 } else { 6226 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6227 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6228 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6229 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6230 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6231 SCTP_INP_WLOCK(inp); 6232 inp->def_send.sinfo_stream = info->snd_sid; 6233 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6234 inp->def_send.sinfo_flags = info->snd_flags; 6235 inp->def_send.sinfo_flags |= policy; 6236 inp->def_send.sinfo_ppid = info->snd_ppid; 6237 inp->def_send.sinfo_context = info->snd_context; 6238 SCTP_INP_WUNLOCK(inp); 6239 } 6240 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6241 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6242 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6243 SCTP_INP_RLOCK(inp); 6244 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6245 SCTP_TCB_LOCK(stcb); 6246 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6247 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6248 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6249 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6250 stcb->asoc.def_send.sinfo_flags |= policy; 6251 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6252 stcb->asoc.def_send.sinfo_context = info->snd_context; 6253 } 6254 SCTP_TCB_UNLOCK(stcb); 6255 } 6256 SCTP_INP_RUNLOCK(inp); 6257 } 6258 } 6259 break; 6260 } 6261 case SCTP_DEFAULT_PRINFO: 6262 { 6263 struct sctp_default_prinfo *info; 6264 6265 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6266 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6267 6268 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6269 if (stcb) { 6270 SCTP_TCB_UNLOCK(stcb); 6271 } 6272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6273 error = EINVAL; 6274 break; 6275 } 6276 if (stcb) { 6277 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6278 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6279 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6280 SCTP_TCB_UNLOCK(stcb); 6281 } else { 6282 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6283 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6284 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6285 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6286 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6287 SCTP_INP_WLOCK(inp); 6288 inp->def_send.sinfo_flags &= 0xfff0; 6289 inp->def_send.sinfo_flags |= info->pr_policy; 6290 inp->def_send.sinfo_timetolive = info->pr_value; 6291 SCTP_INP_WUNLOCK(inp); 6292 } 6293 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6294 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6295 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6296 SCTP_INP_RLOCK(inp); 6297 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6298 SCTP_TCB_LOCK(stcb); 6299 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6300 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6301 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6302 SCTP_TCB_UNLOCK(stcb); 6303 } 6304 SCTP_INP_RUNLOCK(inp); 6305 } 6306 } 6307 break; 6308 } 6309 case SCTP_PEER_ADDR_THLDS: 6310 /* Applies to the specific association */ 6311 { 6312 struct sctp_paddrthlds *thlds; 6313 struct sctp_nets *net; 6314 struct sockaddr *addr; 6315 #if defined(INET) && defined(INET6) 6316 struct sockaddr_in sin_store; 6317 #endif 6318 6319 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6320 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6321 6322 #if defined(INET) && defined(INET6) 6323 if (thlds->spt_address.ss_family == AF_INET6) { 6324 struct sockaddr_in6 *sin6; 6325 6326 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6327 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6328 in6_sin6_2_sin(&sin_store, sin6); 6329 addr = (struct sockaddr *)&sin_store; 6330 } else { 6331 addr = (struct sockaddr *)&thlds->spt_address; 6332 } 6333 } else { 6334 addr = (struct sockaddr *)&thlds->spt_address; 6335 } 6336 #else 6337 addr = (struct sockaddr *)&thlds->spt_address; 6338 #endif 6339 if (stcb != NULL) { 6340 net = sctp_findnet(stcb, addr); 6341 } else { 6342 /* 6343 * We increment here since 6344 * sctp_findassociation_ep_addr() wil do a 6345 * decrement if it finds the stcb as long as 6346 * the locked tcb (last argument) is NOT a 6347 * TCB.. aka NULL. 6348 */ 6349 net = NULL; 6350 SCTP_INP_INCR_REF(inp); 6351 stcb = sctp_findassociation_ep_addr(&inp, addr, 6352 &net, NULL, NULL); 6353 if (stcb == NULL) { 6354 SCTP_INP_DECR_REF(inp); 6355 } 6356 } 6357 if ((stcb != NULL) && (net == NULL)) { 6358 #ifdef INET 6359 if (addr->sa_family == AF_INET) { 6360 struct sockaddr_in *sin; 6361 6362 sin = (struct sockaddr_in *)addr; 6363 if (sin->sin_addr.s_addr != INADDR_ANY) { 6364 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6365 SCTP_TCB_UNLOCK(stcb); 6366 error = EINVAL; 6367 break; 6368 } 6369 } else 6370 #endif 6371 #ifdef INET6 6372 if (addr->sa_family == AF_INET6) { 6373 struct sockaddr_in6 *sin6; 6374 6375 sin6 = (struct sockaddr_in6 *)addr; 6376 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6377 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6378 SCTP_TCB_UNLOCK(stcb); 6379 error = EINVAL; 6380 break; 6381 } 6382 } else 6383 #endif 6384 { 6385 error = EAFNOSUPPORT; 6386 SCTP_TCB_UNLOCK(stcb); 6387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6388 break; 6389 } 6390 } 6391 if (thlds->spt_pathcpthld != 0xffff) { 6392 if (stcb != NULL) { 6393 SCTP_TCB_UNLOCK(stcb); 6394 } 6395 error = EINVAL; 6396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6397 break; 6398 } 6399 if (stcb != NULL) { 6400 if (net != NULL) { 6401 net->failure_threshold = thlds->spt_pathmaxrxt; 6402 net->pf_threshold = thlds->spt_pathpfthld; 6403 if (net->dest_state & SCTP_ADDR_PF) { 6404 if ((net->error_count > net->failure_threshold) || 6405 (net->error_count <= net->pf_threshold)) { 6406 net->dest_state &= ~SCTP_ADDR_PF; 6407 } 6408 } else { 6409 if ((net->error_count > net->pf_threshold) && 6410 (net->error_count <= net->failure_threshold)) { 6411 net->dest_state |= SCTP_ADDR_PF; 6412 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6413 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6414 stcb->sctp_ep, stcb, net, 6415 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6416 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6417 } 6418 } 6419 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6420 if (net->error_count > net->failure_threshold) { 6421 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6422 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6423 } 6424 } else { 6425 if (net->error_count <= net->failure_threshold) { 6426 net->dest_state |= SCTP_ADDR_REACHABLE; 6427 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6428 } 6429 } 6430 } else { 6431 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6432 net->failure_threshold = thlds->spt_pathmaxrxt; 6433 net->pf_threshold = thlds->spt_pathpfthld; 6434 if (net->dest_state & SCTP_ADDR_PF) { 6435 if ((net->error_count > net->failure_threshold) || 6436 (net->error_count <= net->pf_threshold)) { 6437 net->dest_state &= ~SCTP_ADDR_PF; 6438 } 6439 } else { 6440 if ((net->error_count > net->pf_threshold) && 6441 (net->error_count <= net->failure_threshold)) { 6442 net->dest_state |= SCTP_ADDR_PF; 6443 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6444 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6445 stcb->sctp_ep, stcb, net, 6446 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6447 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6448 } 6449 } 6450 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6451 if (net->error_count > net->failure_threshold) { 6452 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6453 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6454 } 6455 } else { 6456 if (net->error_count <= net->failure_threshold) { 6457 net->dest_state |= SCTP_ADDR_REACHABLE; 6458 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6459 } 6460 } 6461 } 6462 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6463 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6464 } 6465 SCTP_TCB_UNLOCK(stcb); 6466 } else { 6467 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6468 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6469 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6470 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6471 SCTP_INP_WLOCK(inp); 6472 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6473 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6474 SCTP_INP_WUNLOCK(inp); 6475 } else { 6476 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6477 error = EINVAL; 6478 } 6479 } 6480 break; 6481 } 6482 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6483 { 6484 struct sctp_udpencaps *encaps; 6485 struct sctp_nets *net; 6486 struct sockaddr *addr; 6487 #if defined(INET) && defined(INET6) 6488 struct sockaddr_in sin_store; 6489 #endif 6490 6491 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6492 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6493 6494 #if defined(INET) && defined(INET6) 6495 if (encaps->sue_address.ss_family == AF_INET6) { 6496 struct sockaddr_in6 *sin6; 6497 6498 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6499 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6500 in6_sin6_2_sin(&sin_store, sin6); 6501 addr = (struct sockaddr *)&sin_store; 6502 } else { 6503 addr = (struct sockaddr *)&encaps->sue_address; 6504 } 6505 } else { 6506 addr = (struct sockaddr *)&encaps->sue_address; 6507 } 6508 #else 6509 addr = (struct sockaddr *)&encaps->sue_address; 6510 #endif 6511 if (stcb != NULL) { 6512 net = sctp_findnet(stcb, addr); 6513 } else { 6514 /* 6515 * We increment here since 6516 * sctp_findassociation_ep_addr() wil do a 6517 * decrement if it finds the stcb as long as 6518 * the locked tcb (last argument) is NOT a 6519 * TCB.. aka NULL. 6520 */ 6521 net = NULL; 6522 SCTP_INP_INCR_REF(inp); 6523 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6524 if (stcb == NULL) { 6525 SCTP_INP_DECR_REF(inp); 6526 } 6527 } 6528 if ((stcb != NULL) && (net == NULL)) { 6529 #ifdef INET 6530 if (addr->sa_family == AF_INET) { 6531 struct sockaddr_in *sin; 6532 6533 sin = (struct sockaddr_in *)addr; 6534 if (sin->sin_addr.s_addr != INADDR_ANY) { 6535 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6536 SCTP_TCB_UNLOCK(stcb); 6537 error = EINVAL; 6538 break; 6539 } 6540 } else 6541 #endif 6542 #ifdef INET6 6543 if (addr->sa_family == AF_INET6) { 6544 struct sockaddr_in6 *sin6; 6545 6546 sin6 = (struct sockaddr_in6 *)addr; 6547 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6548 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6549 SCTP_TCB_UNLOCK(stcb); 6550 error = EINVAL; 6551 break; 6552 } 6553 } else 6554 #endif 6555 { 6556 error = EAFNOSUPPORT; 6557 SCTP_TCB_UNLOCK(stcb); 6558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6559 break; 6560 } 6561 } 6562 6563 if (stcb != NULL) { 6564 if (net != NULL) { 6565 net->port = encaps->sue_port; 6566 } else { 6567 stcb->asoc.port = encaps->sue_port; 6568 } 6569 SCTP_TCB_UNLOCK(stcb); 6570 } else { 6571 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6572 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6573 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6574 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6575 SCTP_INP_WLOCK(inp); 6576 inp->sctp_ep.port = encaps->sue_port; 6577 SCTP_INP_WUNLOCK(inp); 6578 } else { 6579 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6580 error = EINVAL; 6581 } 6582 } 6583 break; 6584 } 6585 case SCTP_ECN_SUPPORTED: 6586 { 6587 struct sctp_assoc_value *av; 6588 6589 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6590 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6591 6592 if (stcb) { 6593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6594 error = EINVAL; 6595 SCTP_TCB_UNLOCK(stcb); 6596 } else { 6597 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6598 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6599 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6600 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6601 SCTP_INP_WLOCK(inp); 6602 if (av->assoc_value == 0) { 6603 inp->ecn_supported = 0; 6604 } else { 6605 inp->ecn_supported = 1; 6606 } 6607 SCTP_INP_WUNLOCK(inp); 6608 } else { 6609 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6610 error = EINVAL; 6611 } 6612 } 6613 break; 6614 } 6615 case SCTP_PR_SUPPORTED: 6616 { 6617 struct sctp_assoc_value *av; 6618 6619 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6620 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6621 6622 if (stcb) { 6623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6624 error = EINVAL; 6625 SCTP_TCB_UNLOCK(stcb); 6626 } else { 6627 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6628 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6629 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6630 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6631 SCTP_INP_WLOCK(inp); 6632 if (av->assoc_value == 0) { 6633 inp->prsctp_supported = 0; 6634 } else { 6635 inp->prsctp_supported = 1; 6636 } 6637 SCTP_INP_WUNLOCK(inp); 6638 } else { 6639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6640 error = EINVAL; 6641 } 6642 } 6643 break; 6644 } 6645 case SCTP_AUTH_SUPPORTED: 6646 { 6647 struct sctp_assoc_value *av; 6648 6649 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6650 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6651 6652 if (stcb) { 6653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6654 error = EINVAL; 6655 SCTP_TCB_UNLOCK(stcb); 6656 } else { 6657 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6658 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6659 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6660 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6661 if ((av->assoc_value == 0) && 6662 (inp->asconf_supported == 1)) { 6663 /* 6664 * AUTH is required for 6665 * ASCONF 6666 */ 6667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6668 error = EINVAL; 6669 } else { 6670 SCTP_INP_WLOCK(inp); 6671 if (av->assoc_value == 0) { 6672 inp->auth_supported = 0; 6673 } else { 6674 inp->auth_supported = 1; 6675 } 6676 SCTP_INP_WUNLOCK(inp); 6677 } 6678 } else { 6679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6680 error = EINVAL; 6681 } 6682 } 6683 break; 6684 } 6685 case SCTP_ASCONF_SUPPORTED: 6686 { 6687 struct sctp_assoc_value *av; 6688 6689 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6690 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6691 6692 if (stcb) { 6693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6694 error = EINVAL; 6695 SCTP_TCB_UNLOCK(stcb); 6696 } else { 6697 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6698 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6699 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6700 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6701 if ((av->assoc_value != 0) && 6702 (inp->auth_supported == 0)) { 6703 /* 6704 * AUTH is required for 6705 * ASCONF 6706 */ 6707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6708 error = EINVAL; 6709 } else { 6710 SCTP_INP_WLOCK(inp); 6711 if (av->assoc_value == 0) { 6712 inp->asconf_supported = 0; 6713 sctp_auth_delete_chunk(SCTP_ASCONF, 6714 inp->sctp_ep.local_auth_chunks); 6715 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6716 inp->sctp_ep.local_auth_chunks); 6717 } else { 6718 inp->asconf_supported = 1; 6719 sctp_auth_add_chunk(SCTP_ASCONF, 6720 inp->sctp_ep.local_auth_chunks); 6721 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6722 inp->sctp_ep.local_auth_chunks); 6723 } 6724 SCTP_INP_WUNLOCK(inp); 6725 } 6726 } else { 6727 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6728 error = EINVAL; 6729 } 6730 } 6731 break; 6732 } 6733 case SCTP_RECONFIG_SUPPORTED: 6734 { 6735 struct sctp_assoc_value *av; 6736 6737 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6738 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6739 6740 if (stcb) { 6741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6742 error = EINVAL; 6743 SCTP_TCB_UNLOCK(stcb); 6744 } else { 6745 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6746 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6747 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6748 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6749 SCTP_INP_WLOCK(inp); 6750 if (av->assoc_value == 0) { 6751 inp->reconfig_supported = 0; 6752 } else { 6753 inp->reconfig_supported = 1; 6754 } 6755 SCTP_INP_WUNLOCK(inp); 6756 } else { 6757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6758 error = EINVAL; 6759 } 6760 } 6761 break; 6762 } 6763 case SCTP_NRSACK_SUPPORTED: 6764 { 6765 struct sctp_assoc_value *av; 6766 6767 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6768 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6769 6770 if (stcb) { 6771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6772 error = EINVAL; 6773 SCTP_TCB_UNLOCK(stcb); 6774 } else { 6775 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6776 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6777 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6778 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6779 SCTP_INP_WLOCK(inp); 6780 if (av->assoc_value == 0) { 6781 inp->nrsack_supported = 0; 6782 } else { 6783 inp->nrsack_supported = 1; 6784 } 6785 SCTP_INP_WUNLOCK(inp); 6786 } else { 6787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6788 error = EINVAL; 6789 } 6790 } 6791 break; 6792 } 6793 case SCTP_PKTDROP_SUPPORTED: 6794 { 6795 struct sctp_assoc_value *av; 6796 6797 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6798 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6799 6800 if (stcb) { 6801 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6802 error = EINVAL; 6803 SCTP_TCB_UNLOCK(stcb); 6804 } else { 6805 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6806 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6807 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6808 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6809 SCTP_INP_WLOCK(inp); 6810 if (av->assoc_value == 0) { 6811 inp->pktdrop_supported = 0; 6812 } else { 6813 inp->pktdrop_supported = 1; 6814 } 6815 SCTP_INP_WUNLOCK(inp); 6816 } else { 6817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6818 error = EINVAL; 6819 } 6820 } 6821 break; 6822 } 6823 case SCTP_MAX_CWND: 6824 { 6825 struct sctp_assoc_value *av; 6826 struct sctp_nets *net; 6827 6828 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6829 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6830 6831 if (stcb) { 6832 stcb->asoc.max_cwnd = av->assoc_value; 6833 if (stcb->asoc.max_cwnd > 0) { 6834 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6835 if ((net->cwnd > stcb->asoc.max_cwnd) && 6836 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6837 net->cwnd = stcb->asoc.max_cwnd; 6838 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6839 net->cwnd = net->mtu - sizeof(struct sctphdr); 6840 } 6841 } 6842 } 6843 } 6844 SCTP_TCB_UNLOCK(stcb); 6845 } else { 6846 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6847 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6848 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6849 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6850 SCTP_INP_WLOCK(inp); 6851 inp->max_cwnd = av->assoc_value; 6852 SCTP_INP_WUNLOCK(inp); 6853 } else { 6854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6855 error = EINVAL; 6856 } 6857 } 6858 break; 6859 } 6860 default: 6861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6862 error = ENOPROTOOPT; 6863 break; 6864 } /* end switch (opt) */ 6865 return (error); 6866 } 6867 6868 int 6869 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6870 { 6871 struct epoch_tracker et; 6872 struct sctp_inpcb *inp; 6873 void *optval = NULL; 6874 void *p; 6875 size_t optsize = 0; 6876 int error = 0; 6877 6878 if ((sopt->sopt_level == SOL_SOCKET) && 6879 (sopt->sopt_name == SO_SETFIB)) { 6880 inp = (struct sctp_inpcb *)so->so_pcb; 6881 if (inp == NULL) { 6882 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6883 return (EINVAL); 6884 } 6885 SCTP_INP_WLOCK(inp); 6886 inp->fibnum = so->so_fibnum; 6887 SCTP_INP_WUNLOCK(inp); 6888 return (0); 6889 } 6890 if (sopt->sopt_level != IPPROTO_SCTP) { 6891 /* wrong proto level... send back up to IP */ 6892 #ifdef INET6 6893 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6894 error = ip6_ctloutput(so, sopt); 6895 #endif /* INET6 */ 6896 #if defined(INET) && defined(INET6) 6897 else 6898 #endif 6899 #ifdef INET 6900 error = ip_ctloutput(so, sopt); 6901 #endif 6902 return (error); 6903 } 6904 optsize = sopt->sopt_valsize; 6905 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6906 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6907 return (ENOBUFS); 6908 } 6909 if (optsize) { 6910 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6911 if (optval == NULL) { 6912 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6913 return (ENOBUFS); 6914 } 6915 error = sooptcopyin(sopt, optval, optsize, optsize); 6916 if (error) { 6917 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6918 goto out; 6919 } 6920 } 6921 p = (void *)sopt->sopt_td; 6922 if (sopt->sopt_dir == SOPT_SET) { 6923 NET_EPOCH_ENTER(et); 6924 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6925 NET_EPOCH_EXIT(et); 6926 } else if (sopt->sopt_dir == SOPT_GET) { 6927 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6928 } else { 6929 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6930 error = EINVAL; 6931 } 6932 if ((error == 0) && (optval != NULL)) { 6933 error = sooptcopyout(sopt, optval, optsize); 6934 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6935 } else if (optval != NULL) { 6936 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6937 } 6938 out: 6939 return (error); 6940 } 6941 6942 #ifdef INET 6943 static int 6944 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6945 { 6946 struct epoch_tracker et; 6947 int error = 0; 6948 int create_lock_on = 0; 6949 uint32_t vrf_id; 6950 struct sctp_inpcb *inp; 6951 struct sctp_tcb *stcb = NULL; 6952 6953 inp = (struct sctp_inpcb *)so->so_pcb; 6954 if (inp == NULL) { 6955 /* I made the same as TCP since we are not setup? */ 6956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6957 return (ECONNRESET); 6958 } 6959 if (addr == NULL) { 6960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6961 return EINVAL; 6962 } 6963 6964 switch (addr->sa_family) { 6965 #ifdef INET6 6966 case AF_INET6: 6967 { 6968 struct sockaddr_in6 *sin6; 6969 6970 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6972 return (EINVAL); 6973 } 6974 sin6 = (struct sockaddr_in6 *)addr; 6975 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 6976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6977 return (error); 6978 } 6979 break; 6980 } 6981 #endif 6982 #ifdef INET 6983 case AF_INET: 6984 { 6985 struct sockaddr_in *sin; 6986 6987 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6989 return (EINVAL); 6990 } 6991 sin = (struct sockaddr_in *)addr; 6992 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 6993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6994 return (error); 6995 } 6996 break; 6997 } 6998 #endif 6999 default: 7000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 7001 return (EAFNOSUPPORT); 7002 } 7003 SCTP_INP_INCR_REF(inp); 7004 SCTP_ASOC_CREATE_LOCK(inp); 7005 create_lock_on = 1; 7006 NET_EPOCH_ENTER(et); 7007 7008 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 7009 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 7010 /* Should I really unlock ? */ 7011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 7012 error = EFAULT; 7013 goto out_now; 7014 } 7015 #ifdef INET6 7016 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 7017 (addr->sa_family == AF_INET6)) { 7018 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7019 error = EINVAL; 7020 goto out_now; 7021 } 7022 #endif 7023 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 7024 SCTP_PCB_FLAGS_UNBOUND) { 7025 /* Bind a ephemeral port */ 7026 error = sctp_inpcb_bind(so, NULL, NULL, p); 7027 if (error) { 7028 goto out_now; 7029 } 7030 } 7031 /* Now do we connect? */ 7032 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7033 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7035 error = EINVAL; 7036 goto out_now; 7037 } 7038 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7039 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7040 /* We are already connected AND the TCP model */ 7041 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7042 error = EADDRINUSE; 7043 goto out_now; 7044 } 7045 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7046 SCTP_INP_RLOCK(inp); 7047 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7048 SCTP_INP_RUNLOCK(inp); 7049 } else { 7050 /* 7051 * We increment here since sctp_findassociation_ep_addr() 7052 * will do a decrement if it finds the stcb as long as the 7053 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7054 */ 7055 SCTP_INP_INCR_REF(inp); 7056 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7057 if (stcb == NULL) { 7058 SCTP_INP_DECR_REF(inp); 7059 } else { 7060 SCTP_TCB_UNLOCK(stcb); 7061 } 7062 } 7063 if (stcb != NULL) { 7064 /* Already have or am bring up an association */ 7065 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7066 error = EALREADY; 7067 goto out_now; 7068 } 7069 7070 vrf_id = inp->def_vrf_id; 7071 /* We are GOOD to go */ 7072 stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id, 7073 inp->sctp_ep.pre_open_stream_count, 7074 inp->sctp_ep.port, p, 7075 SCTP_INITIALIZE_AUTH_PARAMS); 7076 if (stcb == NULL) { 7077 /* Gak! no memory */ 7078 goto out_now; 7079 } 7080 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7081 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7082 7083 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7084 SCTP_TCB_UNLOCK(stcb); 7085 out_now: 7086 NET_EPOCH_EXIT(et); 7087 if (create_lock_on) { 7088 SCTP_ASOC_CREATE_UNLOCK(inp); 7089 } 7090 SCTP_INP_DECR_REF(inp); 7091 return (error); 7092 } 7093 #endif 7094 7095 int 7096 sctp_listen(struct socket *so, int backlog, struct thread *p) 7097 { 7098 /* 7099 * Note this module depends on the protocol processing being called 7100 * AFTER any socket level flags and backlog are applied to the 7101 * socket. The traditional way that the socket flags are applied is 7102 * AFTER protocol processing. We have made a change to the 7103 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7104 * place if the socket API for SCTP is to work properly. 7105 */ 7106 7107 int error = 0; 7108 struct sctp_inpcb *inp; 7109 7110 inp = (struct sctp_inpcb *)so->so_pcb; 7111 if (inp == NULL) { 7112 /* I made the same as TCP since we are not setup? */ 7113 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7114 return (ECONNRESET); 7115 } 7116 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7117 /* See if we have a listener */ 7118 struct sctp_inpcb *tinp; 7119 union sctp_sockstore store; 7120 7121 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7122 /* not bound all */ 7123 struct sctp_laddr *laddr; 7124 7125 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7126 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7127 switch (store.sa.sa_family) { 7128 #ifdef INET 7129 case AF_INET: 7130 store.sin.sin_port = inp->sctp_lport; 7131 break; 7132 #endif 7133 #ifdef INET6 7134 case AF_INET6: 7135 store.sin6.sin6_port = inp->sctp_lport; 7136 break; 7137 #endif 7138 default: 7139 break; 7140 } 7141 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7142 if (tinp && (tinp != inp) && 7143 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7144 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7145 (SCTP_IS_LISTENING(tinp))) { 7146 /* 7147 * we have a listener already and 7148 * its not this inp. 7149 */ 7150 SCTP_INP_DECR_REF(tinp); 7151 return (EADDRINUSE); 7152 } else if (tinp) { 7153 SCTP_INP_DECR_REF(tinp); 7154 } 7155 } 7156 } else { 7157 /* Setup a local addr bound all */ 7158 memset(&store, 0, sizeof(store)); 7159 #ifdef INET6 7160 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7161 store.sa.sa_family = AF_INET6; 7162 store.sa.sa_len = sizeof(struct sockaddr_in6); 7163 } 7164 #endif 7165 #ifdef INET 7166 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7167 store.sa.sa_family = AF_INET; 7168 store.sa.sa_len = sizeof(struct sockaddr_in); 7169 } 7170 #endif 7171 switch (store.sa.sa_family) { 7172 #ifdef INET 7173 case AF_INET: 7174 store.sin.sin_port = inp->sctp_lport; 7175 break; 7176 #endif 7177 #ifdef INET6 7178 case AF_INET6: 7179 store.sin6.sin6_port = inp->sctp_lport; 7180 break; 7181 #endif 7182 default: 7183 break; 7184 } 7185 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7186 if (tinp && (tinp != inp) && 7187 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7188 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7189 (SCTP_IS_LISTENING(tinp))) { 7190 /* 7191 * we have a listener already and its not 7192 * this inp. 7193 */ 7194 SCTP_INP_DECR_REF(tinp); 7195 return (EADDRINUSE); 7196 } else if (tinp) { 7197 SCTP_INP_DECR_REF(tinp); 7198 } 7199 } 7200 } 7201 SCTP_INP_INFO_WLOCK(); 7202 SCTP_INP_WLOCK(inp); 7203 #ifdef SCTP_LOCK_LOGGING 7204 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7205 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7206 } 7207 #endif 7208 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7209 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7210 /* 7211 * The unlucky case - We are in the tcp pool with this guy. 7212 * - Someone else is in the main inp slot. - We must move 7213 * this guy (the listener) to the main slot - We must then 7214 * move the guy that was listener to the TCP Pool. 7215 */ 7216 if (sctp_swap_inpcb_for_listen(inp)) { 7217 error = EADDRINUSE; 7218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7219 goto out; 7220 } 7221 } 7222 SOCK_LOCK(so); 7223 error = solisten_proto_check(so); 7224 if (error) { 7225 SOCK_UNLOCK(so); 7226 goto out; 7227 } 7228 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7229 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7230 SOCK_UNLOCK(so); 7231 solisten_proto_abort(so); 7232 error = EADDRINUSE; 7233 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7234 goto out; 7235 } 7236 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7237 if ((error = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) { 7238 SOCK_UNLOCK(so); 7239 solisten_proto_abort(so); 7240 /* bind error, probably perm */ 7241 goto out; 7242 } 7243 } 7244 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7245 solisten_proto(so, backlog); 7246 SOCK_UNLOCK(so); 7247 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7248 } else { 7249 solisten_proto_abort(so); 7250 SOCK_UNLOCK(so); 7251 if (backlog > 0) { 7252 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7253 } else { 7254 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7255 } 7256 } 7257 out: 7258 SCTP_INP_WUNLOCK(inp); 7259 SCTP_INP_INFO_WUNLOCK(); 7260 return (error); 7261 } 7262 7263 static int sctp_defered_wakeup_cnt = 0; 7264 7265 int 7266 sctp_accept(struct socket *so, struct sockaddr **addr) 7267 { 7268 struct sctp_tcb *stcb; 7269 struct sctp_inpcb *inp; 7270 union sctp_sockstore store; 7271 #ifdef INET6 7272 int error; 7273 #endif 7274 inp = (struct sctp_inpcb *)so->so_pcb; 7275 7276 if (inp == NULL) { 7277 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7278 return (ECONNRESET); 7279 } 7280 SCTP_INP_WLOCK(inp); 7281 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7282 SCTP_INP_WUNLOCK(inp); 7283 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7284 return (EOPNOTSUPP); 7285 } 7286 if (so->so_state & SS_ISDISCONNECTED) { 7287 SCTP_INP_WUNLOCK(inp); 7288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7289 return (ECONNABORTED); 7290 } 7291 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7292 if (stcb == NULL) { 7293 SCTP_INP_WUNLOCK(inp); 7294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7295 return (ECONNRESET); 7296 } 7297 SCTP_TCB_LOCK(stcb); 7298 store = stcb->asoc.primary_destination->ro._l_addr; 7299 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7300 /* Wake any delayed sleep action */ 7301 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7302 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7303 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7304 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7305 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7306 if (sowriteable(inp->sctp_socket)) { 7307 sowwakeup_locked(inp->sctp_socket); 7308 } else { 7309 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7310 } 7311 } 7312 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7313 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7314 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7315 if (soreadable(inp->sctp_socket)) { 7316 sctp_defered_wakeup_cnt++; 7317 sorwakeup_locked(inp->sctp_socket); 7318 } else { 7319 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7320 } 7321 } 7322 } 7323 SCTP_INP_WUNLOCK(inp); 7324 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7325 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7326 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7327 } else { 7328 SCTP_TCB_UNLOCK(stcb); 7329 } 7330 switch (store.sa.sa_family) { 7331 #ifdef INET 7332 case AF_INET: 7333 { 7334 struct sockaddr_in *sin; 7335 7336 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7337 if (sin == NULL) 7338 return (ENOMEM); 7339 sin->sin_family = AF_INET; 7340 sin->sin_len = sizeof(*sin); 7341 sin->sin_port = store.sin.sin_port; 7342 sin->sin_addr = store.sin.sin_addr; 7343 *addr = (struct sockaddr *)sin; 7344 break; 7345 } 7346 #endif 7347 #ifdef INET6 7348 case AF_INET6: 7349 { 7350 struct sockaddr_in6 *sin6; 7351 7352 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7353 if (sin6 == NULL) 7354 return (ENOMEM); 7355 sin6->sin6_family = AF_INET6; 7356 sin6->sin6_len = sizeof(*sin6); 7357 sin6->sin6_port = store.sin6.sin6_port; 7358 sin6->sin6_addr = store.sin6.sin6_addr; 7359 if ((error = sa6_recoverscope(sin6)) != 0) { 7360 SCTP_FREE_SONAME(sin6); 7361 return (error); 7362 } 7363 *addr = (struct sockaddr *)sin6; 7364 break; 7365 } 7366 #endif 7367 default: 7368 /* TSNH */ 7369 break; 7370 } 7371 return (0); 7372 } 7373 7374 #ifdef INET 7375 int 7376 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7377 { 7378 struct sockaddr_in *sin; 7379 uint32_t vrf_id; 7380 struct sctp_inpcb *inp; 7381 struct sctp_ifa *sctp_ifa; 7382 7383 /* 7384 * Do the malloc first in case it blocks. 7385 */ 7386 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7387 if (sin == NULL) 7388 return (ENOMEM); 7389 sin->sin_family = AF_INET; 7390 sin->sin_len = sizeof(*sin); 7391 inp = (struct sctp_inpcb *)so->so_pcb; 7392 if (!inp) { 7393 SCTP_FREE_SONAME(sin); 7394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7395 return (ECONNRESET); 7396 } 7397 SCTP_INP_RLOCK(inp); 7398 sin->sin_port = inp->sctp_lport; 7399 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7400 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7401 struct sctp_tcb *stcb; 7402 struct sockaddr_in *sin_a; 7403 struct sctp_nets *net; 7404 int fnd; 7405 7406 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7407 if (stcb == NULL) { 7408 goto notConn; 7409 } 7410 fnd = 0; 7411 sin_a = NULL; 7412 SCTP_TCB_LOCK(stcb); 7413 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7414 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7415 if (sin_a == NULL) 7416 /* this will make coverity happy */ 7417 continue; 7418 7419 if (sin_a->sin_family == AF_INET) { 7420 fnd = 1; 7421 break; 7422 } 7423 } 7424 if ((!fnd) || (sin_a == NULL)) { 7425 /* punt */ 7426 SCTP_TCB_UNLOCK(stcb); 7427 goto notConn; 7428 } 7429 7430 vrf_id = inp->def_vrf_id; 7431 sctp_ifa = sctp_source_address_selection(inp, 7432 stcb, 7433 (sctp_route_t *)&net->ro, 7434 net, 0, vrf_id); 7435 if (sctp_ifa) { 7436 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7437 sctp_free_ifa(sctp_ifa); 7438 } 7439 SCTP_TCB_UNLOCK(stcb); 7440 } else { 7441 /* For the bound all case you get back 0 */ 7442 notConn: 7443 sin->sin_addr.s_addr = 0; 7444 } 7445 7446 } else { 7447 /* Take the first IPv4 address in the list */ 7448 struct sctp_laddr *laddr; 7449 int fnd = 0; 7450 7451 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7452 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7453 struct sockaddr_in *sin_a; 7454 7455 sin_a = &laddr->ifa->address.sin; 7456 sin->sin_addr = sin_a->sin_addr; 7457 fnd = 1; 7458 break; 7459 } 7460 } 7461 if (!fnd) { 7462 SCTP_FREE_SONAME(sin); 7463 SCTP_INP_RUNLOCK(inp); 7464 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7465 return (ENOENT); 7466 } 7467 } 7468 SCTP_INP_RUNLOCK(inp); 7469 (*addr) = (struct sockaddr *)sin; 7470 return (0); 7471 } 7472 7473 int 7474 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7475 { 7476 struct sockaddr_in *sin; 7477 int fnd; 7478 struct sockaddr_in *sin_a; 7479 struct sctp_inpcb *inp; 7480 struct sctp_tcb *stcb; 7481 struct sctp_nets *net; 7482 7483 /* Do the malloc first in case it blocks. */ 7484 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7485 if (sin == NULL) 7486 return (ENOMEM); 7487 sin->sin_family = AF_INET; 7488 sin->sin_len = sizeof(*sin); 7489 7490 inp = (struct sctp_inpcb *)so->so_pcb; 7491 if ((inp == NULL) || 7492 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7493 /* UDP type and listeners will drop out here */ 7494 SCTP_FREE_SONAME(sin); 7495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7496 return (ENOTCONN); 7497 } 7498 SCTP_INP_RLOCK(inp); 7499 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7500 if (stcb) { 7501 SCTP_TCB_LOCK(stcb); 7502 } 7503 SCTP_INP_RUNLOCK(inp); 7504 if (stcb == NULL) { 7505 SCTP_FREE_SONAME(sin); 7506 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7507 return (ECONNRESET); 7508 } 7509 fnd = 0; 7510 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7511 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7512 if (sin_a->sin_family == AF_INET) { 7513 fnd = 1; 7514 sin->sin_port = stcb->rport; 7515 sin->sin_addr = sin_a->sin_addr; 7516 break; 7517 } 7518 } 7519 SCTP_TCB_UNLOCK(stcb); 7520 if (!fnd) { 7521 /* No IPv4 address */ 7522 SCTP_FREE_SONAME(sin); 7523 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7524 return (ENOENT); 7525 } 7526 (*addr) = (struct sockaddr *)sin; 7527 return (0); 7528 } 7529 7530 struct pr_usrreqs sctp_usrreqs = { 7531 .pru_abort = sctp_abort, 7532 .pru_accept = sctp_accept, 7533 .pru_attach = sctp_attach, 7534 .pru_bind = sctp_bind, 7535 .pru_connect = sctp_connect, 7536 .pru_control = in_control, 7537 .pru_close = sctp_close, 7538 .pru_detach = sctp_close, 7539 .pru_sopoll = sopoll_generic, 7540 .pru_flush = sctp_flush, 7541 .pru_disconnect = sctp_disconnect, 7542 .pru_listen = sctp_listen, 7543 .pru_peeraddr = sctp_peeraddr, 7544 .pru_send = sctp_sendm, 7545 .pru_shutdown = sctp_shutdown, 7546 .pru_sockaddr = sctp_ingetaddr, 7547 .pru_sosend = sctp_sosend, 7548 .pru_soreceive = sctp_soreceive 7549 }; 7550 #endif 7551