1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <netinet/sctp_os.h> 39 #include <sys/proc.h> 40 #include <netinet/sctp_pcb.h> 41 #include <netinet/sctp_header.h> 42 #include <netinet/sctp_var.h> 43 #ifdef INET6 44 #include <netinet6/sctp6_var.h> 45 #endif 46 #include <netinet/sctp_sysctl.h> 47 #include <netinet/sctp_output.h> 48 #include <netinet/sctp_uio.h> 49 #include <netinet/sctp_asconf.h> 50 #include <netinet/sctputil.h> 51 #include <netinet/sctp_indata.h> 52 #include <netinet/sctp_timer.h> 53 #include <netinet/sctp_auth.h> 54 #include <netinet/sctp_bsd_addr.h> 55 #include <netinet/udp.h> 56 #include <sys/eventhandler.h> 57 58 extern const struct sctp_cc_functions sctp_cc_functions[]; 59 extern const struct sctp_ss_functions sctp_ss_functions[]; 60 61 static void 62 sctp_init(void *arg SCTP_UNUSED) 63 { 64 u_long sb_max_adj; 65 66 /* Initialize and modify the sysctled variables */ 67 sctp_init_sysctls(); 68 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 69 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 70 /* 71 * Allow a user to take no more than 1/2 the number of clusters or 72 * the SB_MAX, whichever is smaller, for the send window. 73 */ 74 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 75 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 76 (((uint32_t)nmbclusters / 2) * MCLBYTES)); 77 /* 78 * Now for the recv window, should we take the same amount? or 79 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 80 * now I will just copy. 81 */ 82 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 83 SCTP_BASE_VAR(first_time) = 0; 84 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 85 sctp_pcb_init(); 86 #if defined(SCTP_PACKET_LOGGING) 87 SCTP_BASE_VAR(packet_log_writers) = 0; 88 SCTP_BASE_VAR(packet_log_end) = 0; 89 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 90 #endif 91 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, 92 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); 93 } 94 95 VNET_SYSINIT(sctp_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_THIRD, sctp_init, NULL); 96 97 #ifdef VIMAGE 98 static void 99 sctp_finish(void *unused __unused) 100 { 101 EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag)); 102 sctp_pcb_finish(); 103 } 104 105 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 106 #endif 107 108 void 109 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint32_t mtu, bool resend) 110 { 111 struct sctp_association *asoc; 112 struct sctp_tmit_chunk *chk; 113 uint32_t overhead; 114 115 asoc = &stcb->asoc; 116 KASSERT(mtu < asoc->smallest_mtu, 117 ("Currently only reducing association MTU %u supported (MTU %u)", 118 asoc->smallest_mtu, mtu)); 119 asoc->smallest_mtu = mtu; 120 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 121 overhead = SCTP_MIN_OVERHEAD; 122 } else { 123 overhead = SCTP_MIN_V4_OVERHEAD; 124 } 125 if (asoc->idata_supported) { 126 if (sctp_auth_is_required_chunk(SCTP_IDATA, asoc->peer_auth_chunks)) { 127 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 128 } 129 } else { 130 if (sctp_auth_is_required_chunk(SCTP_DATA, asoc->peer_auth_chunks)) { 131 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 132 } 133 } 134 KASSERT(overhead % 4 == 0, 135 ("overhead (%u) not a multiple of 4", overhead)); 136 TAILQ_FOREACH(chk, &asoc->send_queue, sctp_next) { 137 if (((uint32_t)chk->send_size + overhead) > mtu) { 138 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 139 } 140 } 141 TAILQ_FOREACH(chk, &asoc->sent_queue, sctp_next) { 142 if (((uint32_t)chk->send_size + overhead) > mtu) { 143 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 144 if (resend && chk->sent < SCTP_DATAGRAM_RESEND) { 145 /* 146 * If requested, mark the chunk for 147 * immediate resend, since we sent it being 148 * too big. 149 */ 150 sctp_flight_size_decrease(chk); 151 sctp_total_flight_decrease(stcb, chk); 152 chk->sent = SCTP_DATAGRAM_RESEND; 153 sctp_ucount_incr(asoc->sent_queue_retran_cnt); 154 chk->rec.data.doing_fast_retransmit = 0; 155 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 156 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 157 chk->whoTo->flight_size, 158 chk->book_size, 159 (uint32_t)(uintptr_t)chk->whoTo, 160 chk->rec.data.tsn); 161 } 162 /* Clear any time, so NO RTT is being done. */ 163 if (chk->do_rtt == 1) { 164 chk->do_rtt = 0; 165 chk->whoTo->rto_needed = 1; 166 } 167 } 168 } 169 } 170 } 171 172 #ifdef INET 173 void 174 sctp_notify(struct sctp_inpcb *inp, 175 struct sctp_tcb *stcb, 176 struct sctp_nets *net, 177 uint8_t icmp_type, 178 uint8_t icmp_code, 179 uint16_t ip_len, 180 uint32_t next_mtu) 181 { 182 int timer_stopped; 183 184 if (icmp_type != ICMP_UNREACH) { 185 /* We only care about unreachable */ 186 SCTP_TCB_UNLOCK(stcb); 187 return; 188 } 189 if ((icmp_code == ICMP_UNREACH_NET) || 190 (icmp_code == ICMP_UNREACH_HOST) || 191 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 192 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 193 (icmp_code == ICMP_UNREACH_ISOLATED) || 194 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 195 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 196 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 197 /* Mark the net unreachable. */ 198 if (net->dest_state & SCTP_ADDR_REACHABLE) { 199 /* OK, that destination is NOT reachable. */ 200 net->dest_state &= ~SCTP_ADDR_REACHABLE; 201 net->dest_state &= ~SCTP_ADDR_PF; 202 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 203 stcb, 0, 204 (void *)net, SCTP_SO_NOT_LOCKED); 205 } 206 SCTP_TCB_UNLOCK(stcb); 207 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 208 (icmp_code == ICMP_UNREACH_PORT)) { 209 /* Treat it like an ABORT. */ 210 sctp_abort_notification(stcb, true, false, 0, NULL, SCTP_SO_NOT_LOCKED); 211 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 212 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 213 /* no need to unlock here, since the TCB is gone */ 214 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 215 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 216 SCTP_TCB_UNLOCK(stcb); 217 return; 218 } 219 /* Find the next (smaller) MTU */ 220 if (next_mtu == 0) { 221 /* 222 * Old type router that does not tell us what the 223 * next MTU is. Rats we will have to guess (in a 224 * educated fashion of course). 225 */ 226 next_mtu = sctp_get_prev_mtu(ip_len); 227 } 228 /* Stop the PMTU timer. */ 229 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 230 timer_stopped = 1; 231 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 232 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 233 } else { 234 timer_stopped = 0; 235 } 236 /* Update the path MTU. */ 237 if (net->port) { 238 next_mtu -= sizeof(struct udphdr); 239 } 240 if (net->mtu > next_mtu) { 241 net->mtu = next_mtu; 242 if (net->port) { 243 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 244 } else { 245 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 246 } 247 } 248 /* Update the association MTU */ 249 if (stcb->asoc.smallest_mtu > next_mtu) { 250 sctp_pathmtu_adjustment(stcb, next_mtu, true); 251 } 252 /* Finally, start the PMTU timer if it was running before. */ 253 if (timer_stopped) { 254 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 255 } 256 SCTP_TCB_UNLOCK(stcb); 257 } else { 258 SCTP_TCB_UNLOCK(stcb); 259 } 260 } 261 262 void 263 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 264 { 265 struct ip *outer_ip; 266 struct ip *inner_ip; 267 struct sctphdr *sh; 268 struct icmp *icmp; 269 struct sctp_inpcb *inp; 270 struct sctp_tcb *stcb; 271 struct sctp_nets *net; 272 struct sctp_init_chunk *ch; 273 struct sockaddr_in src, dst; 274 275 if (sa->sa_family != AF_INET || 276 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 277 return; 278 } 279 if (PRC_IS_REDIRECT(cmd)) { 280 vip = NULL; 281 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 282 return; 283 } 284 if (vip != NULL) { 285 inner_ip = (struct ip *)vip; 286 icmp = (struct icmp *)((caddr_t)inner_ip - 287 (sizeof(struct icmp) - sizeof(struct ip))); 288 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 289 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 290 memset(&src, 0, sizeof(struct sockaddr_in)); 291 src.sin_family = AF_INET; 292 src.sin_len = sizeof(struct sockaddr_in); 293 src.sin_port = sh->src_port; 294 src.sin_addr = inner_ip->ip_src; 295 memset(&dst, 0, sizeof(struct sockaddr_in)); 296 dst.sin_family = AF_INET; 297 dst.sin_len = sizeof(struct sockaddr_in); 298 dst.sin_port = sh->dest_port; 299 dst.sin_addr = inner_ip->ip_dst; 300 /* 301 * 'dst' holds the dest of the packet that failed to be 302 * sent. 'src' holds our local endpoint address. Thus we 303 * reverse the dst and the src in the lookup. 304 */ 305 inp = NULL; 306 net = NULL; 307 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 308 (struct sockaddr *)&src, 309 &inp, &net, 1, 310 SCTP_DEFAULT_VRFID); 311 if ((stcb != NULL) && 312 (net != NULL) && 313 (inp != NULL)) { 314 /* Check the verification tag */ 315 if (ntohl(sh->v_tag) != 0) { 316 /* 317 * This must be the verification tag used 318 * for sending out packets. We don't 319 * consider packets reflecting the 320 * verification tag. 321 */ 322 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 323 SCTP_TCB_UNLOCK(stcb); 324 return; 325 } 326 } else { 327 if (ntohs(outer_ip->ip_len) >= 328 sizeof(struct ip) + 329 8 + (inner_ip->ip_hl << 2) + 20) { 330 /* 331 * In this case we can check if we 332 * got an INIT chunk and if the 333 * initiate tag matches. 334 */ 335 ch = (struct sctp_init_chunk *)(sh + 1); 336 if ((ch->ch.chunk_type != SCTP_INITIATION) || 337 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 338 SCTP_TCB_UNLOCK(stcb); 339 return; 340 } 341 } else { 342 SCTP_TCB_UNLOCK(stcb); 343 return; 344 } 345 } 346 sctp_notify(inp, stcb, net, 347 icmp->icmp_type, 348 icmp->icmp_code, 349 ntohs(inner_ip->ip_len), 350 (uint32_t)ntohs(icmp->icmp_nextmtu)); 351 } else { 352 if ((stcb == NULL) && (inp != NULL)) { 353 /* reduce ref-count */ 354 SCTP_INP_WLOCK(inp); 355 SCTP_INP_DECR_REF(inp); 356 SCTP_INP_WUNLOCK(inp); 357 } 358 if (stcb) { 359 SCTP_TCB_UNLOCK(stcb); 360 } 361 } 362 } 363 return; 364 } 365 #endif 366 367 static int 368 sctp_getcred(SYSCTL_HANDLER_ARGS) 369 { 370 struct xucred xuc; 371 struct sockaddr_in addrs[2]; 372 struct sctp_inpcb *inp; 373 struct sctp_nets *net; 374 struct sctp_tcb *stcb; 375 int error; 376 uint32_t vrf_id; 377 378 /* FIX, for non-bsd is this right? */ 379 vrf_id = SCTP_DEFAULT_VRFID; 380 381 error = priv_check(req->td, PRIV_NETINET_GETCRED); 382 383 if (error) 384 return (error); 385 386 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 387 if (error) 388 return (error); 389 390 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 391 sintosa(&addrs[0]), 392 &inp, &net, 1, vrf_id); 393 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 394 if ((inp != NULL) && (stcb == NULL)) { 395 /* reduce ref-count */ 396 SCTP_INP_WLOCK(inp); 397 SCTP_INP_DECR_REF(inp); 398 goto cred_can_cont; 399 } 400 401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 402 error = ENOENT; 403 goto out; 404 } 405 SCTP_TCB_UNLOCK(stcb); 406 /* 407 * We use the write lock here, only since in the error leg we need 408 * it. If we used RLOCK, then we would have to 409 * wlock/decr/unlock/rlock. Which in theory could create a hole. 410 * Better to use higher wlock. 411 */ 412 SCTP_INP_WLOCK(inp); 413 cred_can_cont: 414 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 415 if (error) { 416 SCTP_INP_WUNLOCK(inp); 417 goto out; 418 } 419 cru2x(inp->sctp_socket->so_cred, &xuc); 420 SCTP_INP_WUNLOCK(inp); 421 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 422 out: 423 return (error); 424 } 425 426 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 427 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 428 0, 0, sctp_getcred, "S,ucred", 429 "Get the ucred of a SCTP connection"); 430 431 #ifdef INET 432 static void 433 sctp_abort(struct socket *so) 434 { 435 struct epoch_tracker et; 436 struct sctp_inpcb *inp; 437 438 inp = (struct sctp_inpcb *)so->so_pcb; 439 if (inp == NULL) { 440 return; 441 } 442 443 SCTP_INP_WLOCK(inp); 444 NET_EPOCH_ENTER(et); 445 #ifdef SCTP_LOG_CLOSING 446 sctp_log_closing(inp, NULL, 17); 447 #endif 448 if (((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0)) { 449 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 450 #ifdef SCTP_LOG_CLOSING 451 sctp_log_closing(inp, NULL, 16); 452 #endif 453 SCTP_INP_WUNLOCK(inp); 454 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 455 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 456 SOCK_LOCK(so); 457 SCTP_SB_CLEAR(so->so_snd); 458 /* 459 * same for the rcv ones, they are only here for the 460 * accounting/select. 461 */ 462 SCTP_SB_CLEAR(so->so_rcv); 463 464 /* Now null out the reference, we are completely detached. */ 465 so->so_pcb = NULL; 466 SOCK_UNLOCK(so); 467 } else { 468 SCTP_INP_WUNLOCK(inp); 469 } 470 NET_EPOCH_EXIT(et); 471 } 472 473 static int 474 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 475 { 476 struct sctp_inpcb *inp; 477 struct inpcb *ip_inp; 478 int error; 479 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 480 481 inp = (struct sctp_inpcb *)so->so_pcb; 482 if (inp != NULL) { 483 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 484 return (EINVAL); 485 } 486 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 487 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 488 if (error) { 489 return (error); 490 } 491 } 492 error = sctp_inpcb_alloc(so, vrf_id); 493 if (error) { 494 return (error); 495 } 496 inp = (struct sctp_inpcb *)so->so_pcb; 497 SCTP_INP_WLOCK(inp); 498 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 499 ip_inp = &inp->ip_inp.inp; 500 ip_inp->inp_vflag |= INP_IPV4; 501 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 502 SCTP_INP_WUNLOCK(inp); 503 return (0); 504 } 505 506 static int 507 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 508 { 509 struct sctp_inpcb *inp; 510 511 inp = (struct sctp_inpcb *)so->so_pcb; 512 if (inp == NULL) { 513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 514 return (EINVAL); 515 } 516 if (addr != NULL) { 517 if ((addr->sa_family != AF_INET) || 518 (addr->sa_len != sizeof(struct sockaddr_in))) { 519 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 520 return (EINVAL); 521 } 522 } 523 return (sctp_inpcb_bind(so, addr, NULL, p)); 524 } 525 526 #endif 527 void 528 sctp_close(struct socket *so) 529 { 530 struct epoch_tracker et; 531 struct sctp_inpcb *inp; 532 533 inp = (struct sctp_inpcb *)so->so_pcb; 534 if (inp == NULL) 535 return; 536 537 /* 538 * Inform all the lower layer assoc that we are done. 539 */ 540 SCTP_INP_WLOCK(inp); 541 NET_EPOCH_ENTER(et); 542 #ifdef SCTP_LOG_CLOSING 543 sctp_log_closing(inp, NULL, 17); 544 #endif 545 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 546 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 547 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 548 (SCTP_SBAVAIL(&so->so_rcv) > 0)) { 549 #ifdef SCTP_LOG_CLOSING 550 sctp_log_closing(inp, NULL, 13); 551 #endif 552 SCTP_INP_WUNLOCK(inp); 553 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 554 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 555 } else { 556 #ifdef SCTP_LOG_CLOSING 557 sctp_log_closing(inp, NULL, 14); 558 #endif 559 SCTP_INP_WUNLOCK(inp); 560 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 561 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 562 } 563 /* 564 * The socket is now detached, no matter what the state of 565 * the SCTP association. 566 */ 567 SOCK_LOCK(so); 568 SCTP_SB_CLEAR(so->so_snd); 569 /* 570 * same for the rcv ones, they are only here for the 571 * accounting/select. 572 */ 573 SCTP_SB_CLEAR(so->so_rcv); 574 575 /* Now null out the reference, we are completely detached. */ 576 so->so_pcb = NULL; 577 SOCK_UNLOCK(so); 578 } else { 579 SCTP_INP_WUNLOCK(inp); 580 } 581 NET_EPOCH_EXIT(et); 582 } 583 584 int 585 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 586 struct mbuf *control, struct thread *p); 587 588 int 589 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 590 struct mbuf *control, struct thread *p) 591 { 592 struct sctp_inpcb *inp; 593 int error; 594 595 inp = (struct sctp_inpcb *)so->so_pcb; 596 if (inp == NULL) { 597 if (control) { 598 sctp_m_freem(control); 599 control = NULL; 600 } 601 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 602 sctp_m_freem(m); 603 return (EINVAL); 604 } 605 /* Got to have an to address if we are NOT a connected socket */ 606 if ((addr == NULL) && 607 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 608 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 609 goto connected_type; 610 } 611 612 error = 0; 613 if (addr == NULL) { 614 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 615 error = EDESTADDRREQ; 616 } else if (addr->sa_family != AF_INET) { 617 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 618 error = EAFNOSUPPORT; 619 } else if (addr->sa_len != sizeof(struct sockaddr_in)) { 620 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 621 error = EINVAL; 622 } 623 if (error != 0) { 624 sctp_m_freem(m); 625 if (control) { 626 sctp_m_freem(control); 627 control = NULL; 628 } 629 return (error); 630 } 631 connected_type: 632 /* now what about control */ 633 if (control) { 634 if (inp->control) { 635 sctp_m_freem(inp->control); 636 inp->control = NULL; 637 } 638 inp->control = control; 639 } 640 /* Place the data */ 641 if (inp->pkt) { 642 SCTP_BUF_NEXT(inp->pkt_last) = m; 643 inp->pkt_last = m; 644 } else { 645 inp->pkt_last = inp->pkt = m; 646 } 647 if ( 648 /* FreeBSD uses a flag passed */ 649 ((flags & PRUS_MORETOCOME) == 0) 650 ) { 651 /* 652 * note with the current version this code will only be used 653 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 654 * re-defining sosend to use the sctp_sosend. One can 655 * optionally switch back to this code (by changing back the 656 * definitions) but this is not advisable. This code is used 657 * by FreeBSD when sending a file with sendfile() though. 658 */ 659 struct epoch_tracker et; 660 int ret; 661 662 NET_EPOCH_ENTER(et); 663 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 664 NET_EPOCH_EXIT(et); 665 inp->pkt = NULL; 666 inp->control = NULL; 667 return (ret); 668 } else { 669 return (0); 670 } 671 } 672 673 int 674 sctp_disconnect(struct socket *so) 675 { 676 struct sctp_inpcb *inp; 677 678 inp = (struct sctp_inpcb *)so->so_pcb; 679 if (inp == NULL) { 680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 681 return (ENOTCONN); 682 } 683 SCTP_INP_RLOCK(inp); 684 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 685 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 686 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 687 /* No connection */ 688 SCTP_INP_RUNLOCK(inp); 689 return (0); 690 } else { 691 struct epoch_tracker et; 692 struct sctp_association *asoc; 693 struct sctp_tcb *stcb; 694 695 stcb = LIST_FIRST(&inp->sctp_asoc_list); 696 if (stcb == NULL) { 697 SCTP_INP_RUNLOCK(inp); 698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 699 return (EINVAL); 700 } 701 SCTP_TCB_LOCK(stcb); 702 asoc = &stcb->asoc; 703 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 704 /* We are about to be freed, out of here */ 705 SCTP_TCB_UNLOCK(stcb); 706 SCTP_INP_RUNLOCK(inp); 707 return (0); 708 } 709 NET_EPOCH_ENTER(et); 710 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 711 (SCTP_SBAVAIL(&so->so_rcv) > 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 SCTP_SB_CLEAR(so->so_rcv); 849 } 850 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 851 /* 852 * First make sure the sb will be happy, we don't use these 853 * except maybe the count 854 */ 855 SCTP_SB_CLEAR(so->so_snd); 856 } 857 return (0); 858 } 859 860 int 861 sctp_shutdown(struct socket *so) 862 { 863 struct sctp_inpcb *inp; 864 865 inp = (struct sctp_inpcb *)so->so_pcb; 866 if (inp == NULL) { 867 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 868 return (EINVAL); 869 } 870 SCTP_INP_RLOCK(inp); 871 /* For UDP model this is a invalid call */ 872 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 873 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 874 /* Restore the flags that the soshutdown took away. */ 875 SOCKBUF_LOCK(&so->so_rcv); 876 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 877 SOCKBUF_UNLOCK(&so->so_rcv); 878 /* This proc will wakeup for read and do nothing (I hope) */ 879 SCTP_INP_RUNLOCK(inp); 880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 881 return (EOPNOTSUPP); 882 } else { 883 /* 884 * Ok, if we reach here its the TCP model and it is either a 885 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 886 * against it. 887 */ 888 struct epoch_tracker et; 889 struct sctp_tcb *stcb; 890 struct sctp_association *asoc; 891 struct sctp_nets *netp; 892 893 if ((so->so_state & 894 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 895 SCTP_INP_RUNLOCK(inp); 896 return (ENOTCONN); 897 } 898 socantsendmore(so); 899 900 stcb = LIST_FIRST(&inp->sctp_asoc_list); 901 if (stcb == NULL) { 902 /* 903 * Ok, we hit the case that the shutdown call was 904 * made after an abort or something. Nothing to do 905 * now. 906 */ 907 SCTP_INP_RUNLOCK(inp); 908 return (0); 909 } 910 SCTP_TCB_LOCK(stcb); 911 asoc = &stcb->asoc; 912 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 913 SCTP_TCB_UNLOCK(stcb); 914 SCTP_INP_RUNLOCK(inp); 915 return (0); 916 } 917 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 918 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 919 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 920 /* 921 * If we are not in or before ESTABLISHED, there is 922 * no protocol action required. 923 */ 924 SCTP_TCB_UNLOCK(stcb); 925 SCTP_INP_RUNLOCK(inp); 926 return (0); 927 } 928 NET_EPOCH_ENTER(et); 929 if (stcb->asoc.alternate) { 930 netp = stcb->asoc.alternate; 931 } else { 932 netp = stcb->asoc.primary_destination; 933 } 934 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 935 TAILQ_EMPTY(&asoc->send_queue) && 936 TAILQ_EMPTY(&asoc->sent_queue) && 937 (asoc->stream_queue_cnt == 0)) { 938 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 939 goto abort_anyway; 940 } 941 /* there is nothing queued to send, so I'm done... */ 942 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 943 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 944 sctp_stop_timers_for_shutdown(stcb); 945 sctp_send_shutdown(stcb, netp); 946 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 947 stcb->sctp_ep, stcb, netp); 948 } else { 949 /* 950 * We still got (or just got) data to send, so set 951 * SHUTDOWN_PENDING. 952 */ 953 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 954 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 955 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 956 } 957 if (TAILQ_EMPTY(&asoc->send_queue) && 958 TAILQ_EMPTY(&asoc->sent_queue) && 959 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 960 struct mbuf *op_err; 961 962 abort_anyway: 963 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 964 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 965 SCTP_INP_RUNLOCK(inp); 966 sctp_abort_an_association(stcb->sctp_ep, stcb, 967 op_err, false, SCTP_SO_LOCKED); 968 NET_EPOCH_EXIT(et); 969 return (0); 970 } 971 } 972 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 973 /* 974 * XXX: Why do this in the case where we have still data 975 * queued? 976 */ 977 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 978 SCTP_TCB_UNLOCK(stcb); 979 SCTP_INP_RUNLOCK(inp); 980 NET_EPOCH_EXIT(et); 981 return (0); 982 } 983 } 984 985 /* 986 * copies a "user" presentable address and removes embedded scope, etc. 987 * returns 0 on success, 1 on error 988 */ 989 static uint32_t 990 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 991 { 992 #ifdef INET6 993 struct sockaddr_in6 lsa6; 994 995 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 996 &lsa6); 997 #endif 998 memcpy(dst, src, src->sa_len); 999 return (0); 1000 } 1001 1002 static size_t 1003 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1004 struct sctp_tcb *stcb, 1005 size_t limit, 1006 struct sockaddr *addr, 1007 uint32_t vrf_id) 1008 { 1009 struct sctp_ifn *sctp_ifn; 1010 struct sctp_ifa *sctp_ifa; 1011 size_t actual; 1012 int loopback_scope; 1013 #if defined(INET) 1014 int ipv4_local_scope, ipv4_addr_legal; 1015 #endif 1016 #if defined(INET6) 1017 int local_scope, site_scope, ipv6_addr_legal; 1018 #endif 1019 struct sctp_vrf *vrf; 1020 1021 SCTP_IPI_ADDR_LOCK_ASSERT(); 1022 actual = 0; 1023 if (limit == 0) 1024 return (actual); 1025 1026 if (stcb) { 1027 /* Turn on all the appropriate scope */ 1028 loopback_scope = stcb->asoc.scope.loopback_scope; 1029 #if defined(INET) 1030 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1031 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1032 #endif 1033 #if defined(INET6) 1034 local_scope = stcb->asoc.scope.local_scope; 1035 site_scope = stcb->asoc.scope.site_scope; 1036 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1037 #endif 1038 } else { 1039 /* Use generic values for endpoints. */ 1040 loopback_scope = 1; 1041 #if defined(INET) 1042 ipv4_local_scope = 1; 1043 #endif 1044 #if defined(INET6) 1045 local_scope = 1; 1046 site_scope = 1; 1047 #endif 1048 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1049 #if defined(INET6) 1050 ipv6_addr_legal = 1; 1051 #endif 1052 #if defined(INET) 1053 if (SCTP_IPV6_V6ONLY(inp)) { 1054 ipv4_addr_legal = 0; 1055 } else { 1056 ipv4_addr_legal = 1; 1057 } 1058 #endif 1059 } else { 1060 #if defined(INET6) 1061 ipv6_addr_legal = 0; 1062 #endif 1063 #if defined(INET) 1064 ipv4_addr_legal = 1; 1065 #endif 1066 } 1067 } 1068 vrf = sctp_find_vrf(vrf_id); 1069 if (vrf == NULL) { 1070 return (0); 1071 } 1072 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1073 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1074 if ((loopback_scope == 0) && 1075 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1076 /* Skip loopback if loopback_scope not set */ 1077 continue; 1078 } 1079 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1080 if (stcb) { 1081 /* 1082 * For the BOUND-ALL case, the list 1083 * associated with a TCB is Always 1084 * considered a reverse list.. i.e. 1085 * it lists addresses that are NOT 1086 * part of the association. If this 1087 * is one of those we must skip it. 1088 */ 1089 if (sctp_is_addr_restricted(stcb, 1090 sctp_ifa)) { 1091 continue; 1092 } 1093 } 1094 switch (sctp_ifa->address.sa.sa_family) { 1095 #ifdef INET 1096 case AF_INET: 1097 if (ipv4_addr_legal) { 1098 struct sockaddr_in *sin; 1099 1100 sin = &sctp_ifa->address.sin; 1101 if (sin->sin_addr.s_addr == 0) { 1102 /* 1103 * we skip 1104 * unspecified 1105 * addresses 1106 */ 1107 continue; 1108 } 1109 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1110 &sin->sin_addr) != 0) { 1111 continue; 1112 } 1113 if ((ipv4_local_scope == 0) && 1114 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1115 continue; 1116 } 1117 #ifdef INET6 1118 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1119 if (actual + sizeof(struct sockaddr_in6) > limit) { 1120 return (actual); 1121 } 1122 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr); 1123 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1124 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1125 actual += sizeof(struct sockaddr_in6); 1126 } else { 1127 #endif 1128 if (actual + sizeof(struct sockaddr_in) > limit) { 1129 return (actual); 1130 } 1131 memcpy(addr, sin, sizeof(struct sockaddr_in)); 1132 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1133 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); 1134 actual += sizeof(struct sockaddr_in); 1135 #ifdef INET6 1136 } 1137 #endif 1138 } else { 1139 continue; 1140 } 1141 break; 1142 #endif 1143 #ifdef INET6 1144 case AF_INET6: 1145 if (ipv6_addr_legal) { 1146 struct sockaddr_in6 *sin6; 1147 1148 sin6 = &sctp_ifa->address.sin6; 1149 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1150 /* 1151 * we skip 1152 * unspecified 1153 * addresses 1154 */ 1155 continue; 1156 } 1157 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1158 &sin6->sin6_addr) != 0) { 1159 continue; 1160 } 1161 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1162 if (local_scope == 0) 1163 continue; 1164 if (sin6->sin6_scope_id == 0) { 1165 if (sa6_recoverscope(sin6) != 0) 1166 /* 1167 * 1168 * bad 1169 * link 1170 * 1171 * local 1172 * 1173 * address 1174 */ 1175 continue; 1176 } 1177 } 1178 if ((site_scope == 0) && 1179 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1180 continue; 1181 } 1182 if (actual + sizeof(struct sockaddr_in6) > limit) { 1183 return (actual); 1184 } 1185 memcpy(addr, sin6, sizeof(struct sockaddr_in6)); 1186 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1187 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1188 actual += sizeof(struct sockaddr_in6); 1189 } else { 1190 continue; 1191 } 1192 break; 1193 #endif 1194 default: 1195 /* TSNH */ 1196 break; 1197 } 1198 } 1199 } 1200 } else { 1201 struct sctp_laddr *laddr; 1202 size_t sa_len; 1203 1204 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1205 if (stcb) { 1206 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1207 continue; 1208 } 1209 } 1210 sa_len = laddr->ifa->address.sa.sa_len; 1211 if (actual + sa_len > limit) { 1212 return (actual); 1213 } 1214 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) 1215 continue; 1216 switch (laddr->ifa->address.sa.sa_family) { 1217 #ifdef INET 1218 case AF_INET: 1219 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1220 break; 1221 #endif 1222 #ifdef INET6 1223 case AF_INET6: 1224 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1225 break; 1226 #endif 1227 default: 1228 /* TSNH */ 1229 break; 1230 } 1231 addr = (struct sockaddr *)((caddr_t)addr + sa_len); 1232 actual += sa_len; 1233 } 1234 } 1235 return (actual); 1236 } 1237 1238 static size_t 1239 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1240 struct sctp_tcb *stcb, 1241 size_t limit, 1242 struct sockaddr *addr) 1243 { 1244 size_t size; 1245 1246 SCTP_IPI_ADDR_RLOCK(); 1247 /* fill up addresses for the endpoint's default vrf */ 1248 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, 1249 inp->def_vrf_id); 1250 SCTP_IPI_ADDR_RUNLOCK(); 1251 return (size); 1252 } 1253 1254 static size_t 1255 sctp_max_size_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1256 { 1257 struct sctp_vrf *vrf; 1258 size_t size; 1259 1260 /* 1261 * In both sub-set bound an bound_all cases we return the size of 1262 * the maximum number of addresses that you could get. In reality 1263 * the sub-set bound may have an exclusion list for a given TCB or 1264 * in the bound-all case a TCB may NOT include the loopback or other 1265 * addresses as well. 1266 */ 1267 SCTP_IPI_ADDR_LOCK_ASSERT(); 1268 vrf = sctp_find_vrf(vrf_id); 1269 if (vrf == NULL) { 1270 return (0); 1271 } 1272 size = 0; 1273 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1274 struct sctp_ifn *sctp_ifn; 1275 struct sctp_ifa *sctp_ifa; 1276 1277 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1278 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1279 /* Count them if they are the right type */ 1280 switch (sctp_ifa->address.sa.sa_family) { 1281 #ifdef INET 1282 case AF_INET: 1283 #ifdef INET6 1284 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1285 size += sizeof(struct sockaddr_in6); 1286 else 1287 size += sizeof(struct sockaddr_in); 1288 #else 1289 size += sizeof(struct sockaddr_in); 1290 #endif 1291 break; 1292 #endif 1293 #ifdef INET6 1294 case AF_INET6: 1295 size += sizeof(struct sockaddr_in6); 1296 break; 1297 #endif 1298 default: 1299 break; 1300 } 1301 } 1302 } 1303 } else { 1304 struct sctp_laddr *laddr; 1305 1306 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1307 switch (laddr->ifa->address.sa.sa_family) { 1308 #ifdef INET 1309 case AF_INET: 1310 #ifdef INET6 1311 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1312 size += sizeof(struct sockaddr_in6); 1313 else 1314 size += sizeof(struct sockaddr_in); 1315 #else 1316 size += sizeof(struct sockaddr_in); 1317 #endif 1318 break; 1319 #endif 1320 #ifdef INET6 1321 case AF_INET6: 1322 size += sizeof(struct sockaddr_in6); 1323 break; 1324 #endif 1325 default: 1326 break; 1327 } 1328 } 1329 } 1330 return (size); 1331 } 1332 1333 static size_t 1334 sctp_max_size_addresses(struct sctp_inpcb *inp) 1335 { 1336 size_t size; 1337 1338 SCTP_IPI_ADDR_RLOCK(); 1339 /* Maximum size of all addresses for the endpoint's default VRF */ 1340 size = sctp_max_size_addresses_vrf(inp, inp->def_vrf_id); 1341 SCTP_IPI_ADDR_RUNLOCK(); 1342 return (size); 1343 } 1344 1345 static int 1346 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1347 size_t optsize, void *p, int delay) 1348 { 1349 int error; 1350 int creat_lock_on = 0; 1351 struct sctp_tcb *stcb = NULL; 1352 struct sockaddr *sa; 1353 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1354 uint32_t vrf_id; 1355 sctp_assoc_t *a_id; 1356 1357 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1358 1359 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1360 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1361 /* We are already connected AND the TCP model */ 1362 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1363 return (EADDRINUSE); 1364 } 1365 1366 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1367 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1368 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1369 return (EINVAL); 1370 } 1371 1372 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1373 SCTP_INP_RLOCK(inp); 1374 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1375 SCTP_INP_RUNLOCK(inp); 1376 } 1377 if (stcb) { 1378 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1379 return (EALREADY); 1380 } 1381 SCTP_INP_INCR_REF(inp); 1382 SCTP_ASOC_CREATE_LOCK(inp); 1383 creat_lock_on = 1; 1384 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1385 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1386 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1387 error = EFAULT; 1388 goto out_now; 1389 } 1390 totaddrp = (unsigned int *)optval; 1391 totaddr = *totaddrp; 1392 sa = (struct sockaddr *)(totaddrp + 1); 1393 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1394 if (error != 0) { 1395 /* Already have or am bring up an association */ 1396 SCTP_ASOC_CREATE_UNLOCK(inp); 1397 creat_lock_on = 0; 1398 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1399 goto out_now; 1400 } 1401 #ifdef INET6 1402 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1403 (num_v6 > 0)) { 1404 error = EINVAL; 1405 goto out_now; 1406 } 1407 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1408 (num_v4 > 0)) { 1409 if (SCTP_IPV6_V6ONLY(inp)) { 1410 /* 1411 * if IPV6_V6ONLY flag, ignore connections destined 1412 * to a v4 addr or v4-mapped addr 1413 */ 1414 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1415 error = EINVAL; 1416 goto out_now; 1417 } 1418 } 1419 #endif /* INET6 */ 1420 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 1421 /* Bind a ephemeral port */ 1422 error = sctp_inpcb_bind(so, NULL, NULL, p); 1423 if (error) { 1424 goto out_now; 1425 } 1426 } 1427 1428 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1429 vrf_id = inp->def_vrf_id; 1430 1431 /* We are GOOD to go */ 1432 stcb = sctp_aloc_assoc_connected(inp, sa, &error, 0, 0, vrf_id, 1433 inp->sctp_ep.pre_open_stream_count, 1434 inp->sctp_ep.port, 1435 (struct thread *)p, 1436 SCTP_INITIALIZE_AUTH_PARAMS); 1437 if (stcb == NULL) { 1438 /* Gak! no memory */ 1439 goto out_now; 1440 } 1441 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1442 /* move to second address */ 1443 switch (sa->sa_family) { 1444 #ifdef INET 1445 case AF_INET: 1446 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1447 break; 1448 #endif 1449 #ifdef INET6 1450 case AF_INET6: 1451 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1452 break; 1453 #endif 1454 default: 1455 break; 1456 } 1457 1458 error = 0; 1459 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1460 /* Fill in the return id */ 1461 if (error) { 1462 goto out_now; 1463 } 1464 a_id = (sctp_assoc_t *)optval; 1465 *a_id = sctp_get_associd(stcb); 1466 1467 if (delay) { 1468 /* doing delayed connection */ 1469 stcb->asoc.delayed_connection = 1; 1470 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1471 } else { 1472 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1473 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1474 } 1475 SCTP_TCB_UNLOCK(stcb); 1476 out_now: 1477 if (creat_lock_on) { 1478 SCTP_ASOC_CREATE_UNLOCK(inp); 1479 } 1480 SCTP_INP_DECR_REF(inp); 1481 return (error); 1482 } 1483 1484 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1485 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1486 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1487 SCTP_INP_RLOCK(inp); \ 1488 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1489 if (stcb) { \ 1490 SCTP_TCB_LOCK(stcb); \ 1491 } \ 1492 SCTP_INP_RUNLOCK(inp); \ 1493 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1494 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1495 if (stcb == NULL) { \ 1496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1497 error = ENOENT; \ 1498 break; \ 1499 } \ 1500 } else { \ 1501 stcb = NULL; \ 1502 } \ 1503 } 1504 1505 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1506 if (size < sizeof(type)) { \ 1507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1508 error = EINVAL; \ 1509 break; \ 1510 } else { \ 1511 destp = (type *)srcp; \ 1512 } \ 1513 } 1514 1515 static int 1516 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1517 void *p) 1518 { 1519 struct sctp_inpcb *inp = NULL; 1520 int error, val = 0; 1521 struct sctp_tcb *stcb = NULL; 1522 1523 if (optval == NULL) { 1524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1525 return (EINVAL); 1526 } 1527 1528 inp = (struct sctp_inpcb *)so->so_pcb; 1529 if (inp == NULL) { 1530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1531 return EINVAL; 1532 } 1533 error = 0; 1534 1535 switch (optname) { 1536 case SCTP_NODELAY: 1537 case SCTP_AUTOCLOSE: 1538 case SCTP_EXPLICIT_EOR: 1539 case SCTP_AUTO_ASCONF: 1540 case SCTP_DISABLE_FRAGMENTS: 1541 case SCTP_I_WANT_MAPPED_V4_ADDR: 1542 case SCTP_USE_EXT_RCVINFO: 1543 SCTP_INP_RLOCK(inp); 1544 switch (optname) { 1545 case SCTP_DISABLE_FRAGMENTS: 1546 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1547 break; 1548 case SCTP_I_WANT_MAPPED_V4_ADDR: 1549 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1550 break; 1551 case SCTP_AUTO_ASCONF: 1552 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1553 /* only valid for bound all sockets */ 1554 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1555 } else { 1556 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1557 error = EINVAL; 1558 goto flags_out; 1559 } 1560 break; 1561 case SCTP_EXPLICIT_EOR: 1562 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1563 break; 1564 case SCTP_NODELAY: 1565 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1566 break; 1567 case SCTP_USE_EXT_RCVINFO: 1568 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1569 break; 1570 case SCTP_AUTOCLOSE: 1571 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1572 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1573 else 1574 val = 0; 1575 break; 1576 1577 default: 1578 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1579 error = ENOPROTOOPT; 1580 } /* end switch (sopt->sopt_name) */ 1581 if (*optsize < sizeof(val)) { 1582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1583 error = EINVAL; 1584 } 1585 flags_out: 1586 SCTP_INP_RUNLOCK(inp); 1587 if (error == 0) { 1588 /* return the option value */ 1589 *(int *)optval = val; 1590 *optsize = sizeof(val); 1591 } 1592 break; 1593 case SCTP_GET_PACKET_LOG: 1594 { 1595 #ifdef SCTP_PACKET_LOGGING 1596 uint8_t *target; 1597 int ret; 1598 1599 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1600 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1601 *optsize = ret; 1602 #else 1603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1604 error = EOPNOTSUPP; 1605 #endif 1606 break; 1607 } 1608 case SCTP_REUSE_PORT: 1609 { 1610 uint32_t *value; 1611 1612 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1613 /* Can't do this for a 1-m socket */ 1614 error = EINVAL; 1615 break; 1616 } 1617 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1618 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1619 *optsize = sizeof(uint32_t); 1620 break; 1621 } 1622 case SCTP_PARTIAL_DELIVERY_POINT: 1623 { 1624 uint32_t *value; 1625 1626 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1627 *value = inp->partial_delivery_point; 1628 *optsize = sizeof(uint32_t); 1629 break; 1630 } 1631 case SCTP_FRAGMENT_INTERLEAVE: 1632 { 1633 uint32_t *value; 1634 1635 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1636 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1637 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1638 *value = SCTP_FRAG_LEVEL_2; 1639 } else { 1640 *value = SCTP_FRAG_LEVEL_1; 1641 } 1642 } else { 1643 *value = SCTP_FRAG_LEVEL_0; 1644 } 1645 *optsize = sizeof(uint32_t); 1646 break; 1647 } 1648 case SCTP_INTERLEAVING_SUPPORTED: 1649 { 1650 struct sctp_assoc_value *av; 1651 1652 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1653 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1654 1655 if (stcb) { 1656 av->assoc_value = stcb->asoc.idata_supported; 1657 SCTP_TCB_UNLOCK(stcb); 1658 } else { 1659 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1660 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1661 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1662 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1663 SCTP_INP_RLOCK(inp); 1664 if (inp->idata_supported) { 1665 av->assoc_value = 1; 1666 } else { 1667 av->assoc_value = 0; 1668 } 1669 SCTP_INP_RUNLOCK(inp); 1670 } else { 1671 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1672 error = EINVAL; 1673 } 1674 } 1675 if (error == 0) { 1676 *optsize = sizeof(struct sctp_assoc_value); 1677 } 1678 break; 1679 } 1680 case SCTP_CMT_ON_OFF: 1681 { 1682 struct sctp_assoc_value *av; 1683 1684 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1685 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1686 if (stcb) { 1687 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1688 SCTP_TCB_UNLOCK(stcb); 1689 } else { 1690 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1691 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1692 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1693 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1694 SCTP_INP_RLOCK(inp); 1695 av->assoc_value = inp->sctp_cmt_on_off; 1696 SCTP_INP_RUNLOCK(inp); 1697 } else { 1698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1699 error = EINVAL; 1700 } 1701 } 1702 if (error == 0) { 1703 *optsize = sizeof(struct sctp_assoc_value); 1704 } 1705 break; 1706 } 1707 case SCTP_PLUGGABLE_CC: 1708 { 1709 struct sctp_assoc_value *av; 1710 1711 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1712 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1713 if (stcb) { 1714 av->assoc_value = stcb->asoc.congestion_control_module; 1715 SCTP_TCB_UNLOCK(stcb); 1716 } else { 1717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1718 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1719 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1720 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1721 SCTP_INP_RLOCK(inp); 1722 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1723 SCTP_INP_RUNLOCK(inp); 1724 } else { 1725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1726 error = EINVAL; 1727 } 1728 } 1729 if (error == 0) { 1730 *optsize = sizeof(struct sctp_assoc_value); 1731 } 1732 break; 1733 } 1734 case SCTP_CC_OPTION: 1735 { 1736 struct sctp_cc_option *cc_opt; 1737 1738 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1739 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1740 if (stcb == NULL) { 1741 error = EINVAL; 1742 } else { 1743 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1744 error = ENOTSUP; 1745 } else { 1746 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1747 *optsize = sizeof(struct sctp_cc_option); 1748 } 1749 SCTP_TCB_UNLOCK(stcb); 1750 } 1751 break; 1752 } 1753 case SCTP_PLUGGABLE_SS: 1754 { 1755 struct sctp_assoc_value *av; 1756 1757 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1758 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1759 if (stcb) { 1760 av->assoc_value = stcb->asoc.stream_scheduling_module; 1761 SCTP_TCB_UNLOCK(stcb); 1762 } else { 1763 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1764 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1765 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1766 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1767 SCTP_INP_RLOCK(inp); 1768 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1769 SCTP_INP_RUNLOCK(inp); 1770 } else { 1771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1772 error = EINVAL; 1773 } 1774 } 1775 if (error == 0) { 1776 *optsize = sizeof(struct sctp_assoc_value); 1777 } 1778 break; 1779 } 1780 case SCTP_SS_VALUE: 1781 { 1782 struct sctp_stream_value *av; 1783 1784 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1785 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1786 if (stcb) { 1787 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1788 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1789 &av->stream_value) < 0)) { 1790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1791 error = EINVAL; 1792 } else { 1793 *optsize = sizeof(struct sctp_stream_value); 1794 } 1795 SCTP_TCB_UNLOCK(stcb); 1796 } else { 1797 /* 1798 * Can't get stream value without 1799 * association 1800 */ 1801 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1802 error = EINVAL; 1803 } 1804 break; 1805 } 1806 case SCTP_GET_ADDR_LEN: 1807 { 1808 struct sctp_assoc_value *av; 1809 1810 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1811 error = EINVAL; 1812 #ifdef INET 1813 if (av->assoc_value == AF_INET) { 1814 av->assoc_value = sizeof(struct sockaddr_in); 1815 error = 0; 1816 } 1817 #endif 1818 #ifdef INET6 1819 if (av->assoc_value == AF_INET6) { 1820 av->assoc_value = sizeof(struct sockaddr_in6); 1821 error = 0; 1822 } 1823 #endif 1824 if (error) { 1825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1826 } else { 1827 *optsize = sizeof(struct sctp_assoc_value); 1828 } 1829 break; 1830 } 1831 case SCTP_GET_ASSOC_NUMBER: 1832 { 1833 uint32_t *value, cnt; 1834 1835 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1836 SCTP_INP_RLOCK(inp); 1837 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1838 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1839 /* Can't do this for a 1-1 socket */ 1840 error = EINVAL; 1841 SCTP_INP_RUNLOCK(inp); 1842 break; 1843 } 1844 cnt = 0; 1845 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1846 cnt++; 1847 } 1848 SCTP_INP_RUNLOCK(inp); 1849 *value = cnt; 1850 *optsize = sizeof(uint32_t); 1851 break; 1852 } 1853 case SCTP_GET_ASSOC_ID_LIST: 1854 { 1855 struct sctp_assoc_ids *ids; 1856 uint32_t at; 1857 size_t limit; 1858 1859 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1860 SCTP_INP_RLOCK(inp); 1861 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1862 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1863 /* Can't do this for a 1-1 socket */ 1864 error = EINVAL; 1865 SCTP_INP_RUNLOCK(inp); 1866 break; 1867 } 1868 at = 0; 1869 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1870 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1871 if (at < limit) { 1872 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1873 if (at == 0) { 1874 error = EINVAL; 1875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1876 break; 1877 } 1878 } else { 1879 error = EINVAL; 1880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1881 break; 1882 } 1883 } 1884 SCTP_INP_RUNLOCK(inp); 1885 if (error == 0) { 1886 ids->gaids_number_of_ids = at; 1887 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1888 } 1889 break; 1890 } 1891 case SCTP_CONTEXT: 1892 { 1893 struct sctp_assoc_value *av; 1894 1895 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1896 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1897 1898 if (stcb) { 1899 av->assoc_value = stcb->asoc.context; 1900 SCTP_TCB_UNLOCK(stcb); 1901 } else { 1902 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1903 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1904 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1905 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1906 SCTP_INP_RLOCK(inp); 1907 av->assoc_value = inp->sctp_context; 1908 SCTP_INP_RUNLOCK(inp); 1909 } else { 1910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1911 error = EINVAL; 1912 } 1913 } 1914 if (error == 0) { 1915 *optsize = sizeof(struct sctp_assoc_value); 1916 } 1917 break; 1918 } 1919 case SCTP_VRF_ID: 1920 { 1921 uint32_t *default_vrfid; 1922 1923 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1924 *default_vrfid = inp->def_vrf_id; 1925 *optsize = sizeof(uint32_t); 1926 break; 1927 } 1928 case SCTP_GET_ASOC_VRF: 1929 { 1930 struct sctp_assoc_value *id; 1931 1932 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1933 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1934 if (stcb == NULL) { 1935 error = EINVAL; 1936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1937 } else { 1938 id->assoc_value = stcb->asoc.vrf_id; 1939 SCTP_TCB_UNLOCK(stcb); 1940 *optsize = sizeof(struct sctp_assoc_value); 1941 } 1942 break; 1943 } 1944 case SCTP_GET_VRF_IDS: 1945 { 1946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1947 error = EOPNOTSUPP; 1948 break; 1949 } 1950 case SCTP_GET_NONCE_VALUES: 1951 { 1952 struct sctp_get_nonce_values *gnv; 1953 1954 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1955 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1956 1957 if (stcb) { 1958 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1959 gnv->gn_local_tag = stcb->asoc.my_vtag; 1960 SCTP_TCB_UNLOCK(stcb); 1961 *optsize = sizeof(struct sctp_get_nonce_values); 1962 } else { 1963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1964 error = ENOTCONN; 1965 } 1966 break; 1967 } 1968 case SCTP_DELAYED_SACK: 1969 { 1970 struct sctp_sack_info *sack; 1971 1972 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1973 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1974 if (stcb) { 1975 sack->sack_delay = stcb->asoc.delayed_ack; 1976 sack->sack_freq = stcb->asoc.sack_freq; 1977 SCTP_TCB_UNLOCK(stcb); 1978 } else { 1979 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1980 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1981 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1982 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1983 SCTP_INP_RLOCK(inp); 1984 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1985 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1986 SCTP_INP_RUNLOCK(inp); 1987 } else { 1988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1989 error = EINVAL; 1990 } 1991 } 1992 if (error == 0) { 1993 *optsize = sizeof(struct sctp_sack_info); 1994 } 1995 break; 1996 } 1997 case SCTP_GET_SNDBUF_USE: 1998 { 1999 struct sctp_sockstat *ss; 2000 2001 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2002 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2003 2004 if (stcb) { 2005 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2006 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2007 stcb->asoc.size_on_all_streams); 2008 SCTP_TCB_UNLOCK(stcb); 2009 *optsize = sizeof(struct sctp_sockstat); 2010 } else { 2011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2012 error = ENOTCONN; 2013 } 2014 break; 2015 } 2016 case SCTP_MAX_BURST: 2017 { 2018 struct sctp_assoc_value *av; 2019 2020 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2021 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2022 2023 if (stcb) { 2024 av->assoc_value = stcb->asoc.max_burst; 2025 SCTP_TCB_UNLOCK(stcb); 2026 } else { 2027 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2028 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2029 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2030 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2031 SCTP_INP_RLOCK(inp); 2032 av->assoc_value = inp->sctp_ep.max_burst; 2033 SCTP_INP_RUNLOCK(inp); 2034 } else { 2035 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2036 error = EINVAL; 2037 } 2038 } 2039 if (error == 0) { 2040 *optsize = sizeof(struct sctp_assoc_value); 2041 } 2042 break; 2043 } 2044 case SCTP_MAXSEG: 2045 { 2046 struct sctp_assoc_value *av; 2047 2048 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2049 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2050 2051 if (stcb) { 2052 av->assoc_value = stcb->asoc.sctp_frag_point; 2053 SCTP_TCB_UNLOCK(stcb); 2054 } else { 2055 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2056 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2057 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2058 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2059 SCTP_INP_RLOCK(inp); 2060 av->assoc_value = inp->sctp_frag_point; 2061 SCTP_INP_RUNLOCK(inp); 2062 } else { 2063 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2064 error = EINVAL; 2065 } 2066 } 2067 if (error == 0) { 2068 *optsize = sizeof(struct sctp_assoc_value); 2069 } 2070 break; 2071 } 2072 case SCTP_GET_STAT_LOG: 2073 error = sctp_fill_stat_log(optval, optsize); 2074 break; 2075 case SCTP_EVENTS: 2076 { 2077 struct sctp_event_subscribe *events; 2078 2079 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2080 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2081 SCTP_INP_RLOCK(inp); 2082 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2083 events->sctp_data_io_event = 1; 2084 2085 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2086 events->sctp_association_event = 1; 2087 2088 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2089 events->sctp_address_event = 1; 2090 2091 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2092 events->sctp_send_failure_event = 1; 2093 2094 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2095 events->sctp_peer_error_event = 1; 2096 2097 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2098 events->sctp_shutdown_event = 1; 2099 2100 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2101 events->sctp_partial_delivery_event = 1; 2102 2103 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2104 events->sctp_adaptation_layer_event = 1; 2105 2106 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2107 events->sctp_authentication_event = 1; 2108 2109 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2110 events->sctp_sender_dry_event = 1; 2111 2112 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2113 events->sctp_stream_reset_event = 1; 2114 SCTP_INP_RUNLOCK(inp); 2115 *optsize = sizeof(struct sctp_event_subscribe); 2116 break; 2117 } 2118 case SCTP_ADAPTATION_LAYER: 2119 { 2120 uint32_t *value; 2121 2122 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2123 2124 SCTP_INP_RLOCK(inp); 2125 *value = inp->sctp_ep.adaptation_layer_indicator; 2126 SCTP_INP_RUNLOCK(inp); 2127 *optsize = sizeof(uint32_t); 2128 break; 2129 } 2130 case SCTP_SET_INITIAL_DBG_SEQ: 2131 { 2132 uint32_t *value; 2133 2134 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2135 SCTP_INP_RLOCK(inp); 2136 *value = inp->sctp_ep.initial_sequence_debug; 2137 SCTP_INP_RUNLOCK(inp); 2138 *optsize = sizeof(uint32_t); 2139 break; 2140 } 2141 case SCTP_GET_LOCAL_ADDR_SIZE: 2142 { 2143 uint32_t *value; 2144 2145 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2146 SCTP_INP_RLOCK(inp); 2147 *value = (uint32_t)sctp_max_size_addresses(inp); 2148 SCTP_INP_RUNLOCK(inp); 2149 *optsize = sizeof(uint32_t); 2150 break; 2151 } 2152 case SCTP_GET_REMOTE_ADDR_SIZE: 2153 { 2154 uint32_t *value; 2155 struct sctp_nets *net; 2156 size_t size; 2157 2158 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2159 /* FIXME MT: change to sctp_assoc_value? */ 2160 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2161 2162 if (stcb != NULL) { 2163 size = 0; 2164 /* Count the sizes */ 2165 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2166 switch (net->ro._l_addr.sa.sa_family) { 2167 #ifdef INET 2168 case AF_INET: 2169 #ifdef INET6 2170 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2171 size += sizeof(struct sockaddr_in6); 2172 } else { 2173 size += sizeof(struct sockaddr_in); 2174 } 2175 #else 2176 size += sizeof(struct sockaddr_in); 2177 #endif 2178 break; 2179 #endif 2180 #ifdef INET6 2181 case AF_INET6: 2182 size += sizeof(struct sockaddr_in6); 2183 break; 2184 #endif 2185 default: 2186 break; 2187 } 2188 } 2189 SCTP_TCB_UNLOCK(stcb); 2190 *value = (uint32_t)size; 2191 *optsize = sizeof(uint32_t); 2192 } else { 2193 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2194 ((sctp_assoc_t)*value <= SCTP_ALL_ASSOC)) { 2195 error = EINVAL; 2196 } else { 2197 error = ENOENT; 2198 } 2199 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2200 } 2201 break; 2202 } 2203 case SCTP_GET_PEER_ADDRESSES: 2204 /* 2205 * Get the address information, an array is passed in to 2206 * fill up we pack it. 2207 */ 2208 { 2209 size_t cpsz, left; 2210 struct sockaddr *addr; 2211 struct sctp_nets *net; 2212 struct sctp_getaddresses *saddr; 2213 2214 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2215 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2216 2217 if (stcb != NULL) { 2218 left = *optsize - offsetof(struct sctp_getaddresses, addr); 2219 *optsize = offsetof(struct sctp_getaddresses, addr); 2220 addr = &saddr->addr[0].sa; 2221 2222 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2223 switch (net->ro._l_addr.sa.sa_family) { 2224 #ifdef INET 2225 case AF_INET: 2226 #ifdef INET6 2227 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2228 cpsz = sizeof(struct sockaddr_in6); 2229 } else { 2230 cpsz = sizeof(struct sockaddr_in); 2231 } 2232 #else 2233 cpsz = sizeof(struct sockaddr_in); 2234 #endif 2235 break; 2236 #endif 2237 #ifdef INET6 2238 case AF_INET6: 2239 cpsz = sizeof(struct sockaddr_in6); 2240 break; 2241 #endif 2242 default: 2243 cpsz = 0; 2244 break; 2245 } 2246 if (cpsz == 0) { 2247 break; 2248 } 2249 if (left < cpsz) { 2250 /* not enough room. */ 2251 break; 2252 } 2253 #if defined(INET) && defined(INET6) 2254 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2255 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2256 /* Must map the address */ 2257 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2258 (struct sockaddr_in6 *)addr); 2259 } else { 2260 memcpy(addr, &net->ro._l_addr, cpsz); 2261 } 2262 #else 2263 memcpy(addr, &net->ro._l_addr, cpsz); 2264 #endif 2265 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2266 2267 addr = (struct sockaddr *)((caddr_t)addr + cpsz); 2268 left -= cpsz; 2269 *optsize += cpsz; 2270 } 2271 SCTP_TCB_UNLOCK(stcb); 2272 } else { 2273 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2274 (saddr->sget_assoc_id <= SCTP_ALL_ASSOC)) { 2275 error = EINVAL; 2276 } else { 2277 error = ENOENT; 2278 } 2279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2280 } 2281 break; 2282 } 2283 case SCTP_GET_LOCAL_ADDRESSES: 2284 { 2285 size_t limit, actual; 2286 struct sctp_getaddresses *saddr; 2287 2288 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2289 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2290 2291 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2292 ((saddr->sget_assoc_id == SCTP_CURRENT_ASSOC) || 2293 (saddr->sget_assoc_id == SCTP_ALL_ASSOC))) { 2294 error = EINVAL; 2295 } else { 2296 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2297 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2298 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2299 } 2300 if (stcb != NULL) { 2301 SCTP_TCB_UNLOCK(stcb); 2302 } 2303 break; 2304 } 2305 case SCTP_PEER_ADDR_PARAMS: 2306 { 2307 struct sctp_paddrparams *paddrp; 2308 struct sctp_nets *net; 2309 struct sockaddr *addr; 2310 #if defined(INET) && defined(INET6) 2311 struct sockaddr_in sin_store; 2312 #endif 2313 2314 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2315 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2316 2317 #if defined(INET) && defined(INET6) 2318 if (paddrp->spp_address.ss_family == AF_INET6) { 2319 struct sockaddr_in6 *sin6; 2320 2321 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2322 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2323 in6_sin6_2_sin(&sin_store, sin6); 2324 addr = (struct sockaddr *)&sin_store; 2325 } else { 2326 addr = (struct sockaddr *)&paddrp->spp_address; 2327 } 2328 } else { 2329 addr = (struct sockaddr *)&paddrp->spp_address; 2330 } 2331 #else 2332 addr = (struct sockaddr *)&paddrp->spp_address; 2333 #endif 2334 if (stcb != NULL) { 2335 net = sctp_findnet(stcb, addr); 2336 } else { 2337 /* 2338 * We increment here since 2339 * sctp_findassociation_ep_addr() wil do a 2340 * decrement if it finds the stcb as long as 2341 * the locked tcb (last argument) is NOT a 2342 * TCB.. aka NULL. 2343 */ 2344 net = NULL; 2345 SCTP_INP_INCR_REF(inp); 2346 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2347 if (stcb == NULL) { 2348 SCTP_INP_DECR_REF(inp); 2349 } 2350 } 2351 if ((stcb != NULL) && (net == NULL)) { 2352 #ifdef INET 2353 if (addr->sa_family == AF_INET) { 2354 struct sockaddr_in *sin; 2355 2356 sin = (struct sockaddr_in *)addr; 2357 if (sin->sin_addr.s_addr != INADDR_ANY) { 2358 error = EINVAL; 2359 SCTP_TCB_UNLOCK(stcb); 2360 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2361 break; 2362 } 2363 } else 2364 #endif 2365 #ifdef INET6 2366 if (addr->sa_family == AF_INET6) { 2367 struct sockaddr_in6 *sin6; 2368 2369 sin6 = (struct sockaddr_in6 *)addr; 2370 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2371 error = EINVAL; 2372 SCTP_TCB_UNLOCK(stcb); 2373 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2374 break; 2375 } 2376 } else 2377 #endif 2378 { 2379 error = EAFNOSUPPORT; 2380 SCTP_TCB_UNLOCK(stcb); 2381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2382 break; 2383 } 2384 } 2385 2386 if (stcb != NULL) { 2387 /* Applies to the specific association */ 2388 paddrp->spp_flags = 0; 2389 if (net != NULL) { 2390 paddrp->spp_hbinterval = net->heart_beat_delay; 2391 paddrp->spp_pathmaxrxt = net->failure_threshold; 2392 paddrp->spp_pathmtu = net->mtu; 2393 switch (net->ro._l_addr.sa.sa_family) { 2394 #ifdef INET 2395 case AF_INET: 2396 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2397 break; 2398 #endif 2399 #ifdef INET6 2400 case AF_INET6: 2401 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2402 break; 2403 #endif 2404 default: 2405 break; 2406 } 2407 /* get flags for HB */ 2408 if (net->dest_state & SCTP_ADDR_NOHB) { 2409 paddrp->spp_flags |= SPP_HB_DISABLE; 2410 } else { 2411 paddrp->spp_flags |= SPP_HB_ENABLE; 2412 } 2413 /* get flags for PMTU */ 2414 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2415 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2416 } else { 2417 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2418 } 2419 if (net->dscp & 0x01) { 2420 paddrp->spp_dscp = net->dscp & 0xfc; 2421 paddrp->spp_flags |= SPP_DSCP; 2422 } 2423 #ifdef INET6 2424 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2425 (net->flowlabel & 0x80000000)) { 2426 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2427 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2428 } 2429 #endif 2430 } else { 2431 /* 2432 * No destination so return default 2433 * value 2434 */ 2435 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2436 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2437 if (stcb->asoc.default_dscp & 0x01) { 2438 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2439 paddrp->spp_flags |= SPP_DSCP; 2440 } 2441 #ifdef INET6 2442 if (stcb->asoc.default_flowlabel & 0x80000000) { 2443 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2444 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2445 } 2446 #endif 2447 /* default settings should be these */ 2448 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2449 paddrp->spp_flags |= SPP_HB_DISABLE; 2450 } else { 2451 paddrp->spp_flags |= SPP_HB_ENABLE; 2452 } 2453 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2454 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2455 } else { 2456 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2457 } 2458 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2459 } 2460 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2461 SCTP_TCB_UNLOCK(stcb); 2462 } else { 2463 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2464 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2465 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2466 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2467 /* Use endpoint defaults */ 2468 SCTP_INP_RLOCK(inp); 2469 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2470 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2471 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2472 /* get inp's default */ 2473 if (inp->sctp_ep.default_dscp & 0x01) { 2474 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2475 paddrp->spp_flags |= SPP_DSCP; 2476 } 2477 #ifdef INET6 2478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2479 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2480 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2481 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2482 } 2483 #endif 2484 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2485 2486 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2487 paddrp->spp_flags |= SPP_HB_ENABLE; 2488 } else { 2489 paddrp->spp_flags |= SPP_HB_DISABLE; 2490 } 2491 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2492 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2493 } else { 2494 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2495 } 2496 SCTP_INP_RUNLOCK(inp); 2497 } else { 2498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2499 error = EINVAL; 2500 } 2501 } 2502 if (error == 0) { 2503 *optsize = sizeof(struct sctp_paddrparams); 2504 } 2505 break; 2506 } 2507 case SCTP_GET_PEER_ADDR_INFO: 2508 { 2509 struct sctp_paddrinfo *paddri; 2510 struct sctp_nets *net; 2511 struct sockaddr *addr; 2512 #if defined(INET) && defined(INET6) 2513 struct sockaddr_in sin_store; 2514 #endif 2515 2516 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2517 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2518 2519 #if defined(INET) && defined(INET6) 2520 if (paddri->spinfo_address.ss_family == AF_INET6) { 2521 struct sockaddr_in6 *sin6; 2522 2523 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2524 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2525 in6_sin6_2_sin(&sin_store, sin6); 2526 addr = (struct sockaddr *)&sin_store; 2527 } else { 2528 addr = (struct sockaddr *)&paddri->spinfo_address; 2529 } 2530 } else { 2531 addr = (struct sockaddr *)&paddri->spinfo_address; 2532 } 2533 #else 2534 addr = (struct sockaddr *)&paddri->spinfo_address; 2535 #endif 2536 if (stcb != NULL) { 2537 net = sctp_findnet(stcb, addr); 2538 } else { 2539 /* 2540 * We increment here since 2541 * sctp_findassociation_ep_addr() wil do a 2542 * decrement if it finds the stcb as long as 2543 * the locked tcb (last argument) is NOT a 2544 * TCB.. aka NULL. 2545 */ 2546 net = NULL; 2547 SCTP_INP_INCR_REF(inp); 2548 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2549 if (stcb == NULL) { 2550 SCTP_INP_DECR_REF(inp); 2551 } 2552 } 2553 2554 if ((stcb != NULL) && (net != NULL)) { 2555 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2556 /* It's unconfirmed */ 2557 paddri->spinfo_state = SCTP_UNCONFIRMED; 2558 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2559 /* It's active */ 2560 paddri->spinfo_state = SCTP_ACTIVE; 2561 } else { 2562 /* It's inactive */ 2563 paddri->spinfo_state = SCTP_INACTIVE; 2564 } 2565 paddri->spinfo_cwnd = net->cwnd; 2566 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2567 paddri->spinfo_rto = net->RTO; 2568 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2569 paddri->spinfo_mtu = net->mtu; 2570 switch (addr->sa_family) { 2571 #if defined(INET) 2572 case AF_INET: 2573 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2574 break; 2575 #endif 2576 #if defined(INET6) 2577 case AF_INET6: 2578 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2579 break; 2580 #endif 2581 default: 2582 break; 2583 } 2584 SCTP_TCB_UNLOCK(stcb); 2585 *optsize = sizeof(struct sctp_paddrinfo); 2586 } else { 2587 if (stcb != NULL) { 2588 SCTP_TCB_UNLOCK(stcb); 2589 } 2590 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2591 error = ENOENT; 2592 } 2593 break; 2594 } 2595 case SCTP_PCB_STATUS: 2596 { 2597 struct sctp_pcbinfo *spcb; 2598 2599 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2600 sctp_fill_pcbinfo(spcb); 2601 *optsize = sizeof(struct sctp_pcbinfo); 2602 break; 2603 } 2604 case SCTP_STATUS: 2605 { 2606 struct sctp_nets *net; 2607 struct sctp_status *sstat; 2608 2609 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2610 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2611 2612 if (stcb == NULL) { 2613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2614 error = EINVAL; 2615 break; 2616 } 2617 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2618 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2619 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2620 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2621 /* 2622 * We can't include chunks that have been passed to 2623 * the socket layer. Only things in queue. 2624 */ 2625 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2626 stcb->asoc.cnt_on_all_streams); 2627 sstat->sstat_instrms = stcb->asoc.streamincnt; 2628 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2629 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb); 2630 net = stcb->asoc.primary_destination; 2631 if (net != NULL) { 2632 memcpy(&sstat->sstat_primary.spinfo_address, 2633 &net->ro._l_addr, 2634 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2635 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2636 /* 2637 * Again the user can get info from 2638 * sctp_constants.h for what the state of 2639 * the network is. 2640 */ 2641 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2642 /* It's unconfirmed */ 2643 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2644 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2645 /* It's active */ 2646 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2647 } else { 2648 /* It's inactive */ 2649 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2650 } 2651 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2652 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2653 sstat->sstat_primary.spinfo_rto = net->RTO; 2654 sstat->sstat_primary.spinfo_mtu = net->mtu; 2655 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2656 #if defined(INET) 2657 case AF_INET: 2658 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2659 break; 2660 #endif 2661 #if defined(INET6) 2662 case AF_INET6: 2663 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2664 break; 2665 #endif 2666 default: 2667 break; 2668 } 2669 } else { 2670 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2671 } 2672 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2673 SCTP_TCB_UNLOCK(stcb); 2674 *optsize = sizeof(struct sctp_status); 2675 break; 2676 } 2677 case SCTP_RTOINFO: 2678 { 2679 struct sctp_rtoinfo *srto; 2680 2681 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2682 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2683 2684 if (stcb) { 2685 srto->srto_initial = stcb->asoc.initial_rto; 2686 srto->srto_max = stcb->asoc.maxrto; 2687 srto->srto_min = stcb->asoc.minrto; 2688 SCTP_TCB_UNLOCK(stcb); 2689 } else { 2690 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2691 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2692 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2693 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2694 SCTP_INP_RLOCK(inp); 2695 srto->srto_initial = inp->sctp_ep.initial_rto; 2696 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2697 srto->srto_min = inp->sctp_ep.sctp_minrto; 2698 SCTP_INP_RUNLOCK(inp); 2699 } else { 2700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2701 error = EINVAL; 2702 } 2703 } 2704 if (error == 0) { 2705 *optsize = sizeof(struct sctp_rtoinfo); 2706 } 2707 break; 2708 } 2709 case SCTP_TIMEOUTS: 2710 { 2711 struct sctp_timeouts *stimo; 2712 2713 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2714 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2715 2716 if (stcb) { 2717 stimo->stimo_init = stcb->asoc.timoinit; 2718 stimo->stimo_data = stcb->asoc.timodata; 2719 stimo->stimo_sack = stcb->asoc.timosack; 2720 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2721 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2722 stimo->stimo_cookie = stcb->asoc.timocookie; 2723 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2724 SCTP_TCB_UNLOCK(stcb); 2725 *optsize = sizeof(struct sctp_timeouts); 2726 } else { 2727 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2728 error = EINVAL; 2729 } 2730 break; 2731 } 2732 case SCTP_ASSOCINFO: 2733 { 2734 struct sctp_assocparams *sasoc; 2735 2736 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2737 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2738 2739 if (stcb) { 2740 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2741 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2742 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2743 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2744 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2745 SCTP_TCB_UNLOCK(stcb); 2746 } else { 2747 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2748 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2749 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2750 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2751 SCTP_INP_RLOCK(inp); 2752 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2753 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2754 sasoc->sasoc_number_peer_destinations = 0; 2755 sasoc->sasoc_peer_rwnd = 0; 2756 sasoc->sasoc_local_rwnd = (uint32_t)sbspace(&inp->sctp_socket->so_rcv); 2757 SCTP_INP_RUNLOCK(inp); 2758 } else { 2759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2760 error = EINVAL; 2761 } 2762 } 2763 if (error == 0) { 2764 *optsize = sizeof(struct sctp_assocparams); 2765 } 2766 break; 2767 } 2768 case SCTP_DEFAULT_SEND_PARAM: 2769 { 2770 struct sctp_sndrcvinfo *s_info; 2771 2772 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2773 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2774 2775 if (stcb) { 2776 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2777 SCTP_TCB_UNLOCK(stcb); 2778 } else { 2779 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2780 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2781 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2782 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2783 SCTP_INP_RLOCK(inp); 2784 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2785 SCTP_INP_RUNLOCK(inp); 2786 } else { 2787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2788 error = EINVAL; 2789 } 2790 } 2791 if (error == 0) { 2792 *optsize = sizeof(struct sctp_sndrcvinfo); 2793 } 2794 break; 2795 } 2796 case SCTP_INITMSG: 2797 { 2798 struct sctp_initmsg *sinit; 2799 2800 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2801 SCTP_INP_RLOCK(inp); 2802 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2803 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2804 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2805 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2806 SCTP_INP_RUNLOCK(inp); 2807 *optsize = sizeof(struct sctp_initmsg); 2808 break; 2809 } 2810 case SCTP_PRIMARY_ADDR: 2811 /* we allow a "get" operation on this */ 2812 { 2813 struct sctp_setprim *ssp; 2814 2815 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2816 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2817 2818 if (stcb) { 2819 union sctp_sockstore *addr; 2820 2821 addr = &stcb->asoc.primary_destination->ro._l_addr; 2822 switch (addr->sa.sa_family) { 2823 #ifdef INET 2824 case AF_INET: 2825 #ifdef INET6 2826 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2827 in6_sin_2_v4mapsin6(&addr->sin, 2828 (struct sockaddr_in6 *)&ssp->ssp_addr); 2829 } else { 2830 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2831 } 2832 #else 2833 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2834 #endif 2835 break; 2836 #endif 2837 #ifdef INET6 2838 case AF_INET6: 2839 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2840 break; 2841 #endif 2842 default: 2843 break; 2844 } 2845 SCTP_TCB_UNLOCK(stcb); 2846 *optsize = sizeof(struct sctp_setprim); 2847 } else { 2848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2849 error = EINVAL; 2850 } 2851 break; 2852 } 2853 case SCTP_HMAC_IDENT: 2854 { 2855 struct sctp_hmacalgo *shmac; 2856 sctp_hmaclist_t *hmaclist; 2857 size_t size; 2858 int i; 2859 2860 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2861 2862 SCTP_INP_RLOCK(inp); 2863 hmaclist = inp->sctp_ep.local_hmacs; 2864 if (hmaclist == NULL) { 2865 /* no HMACs to return */ 2866 *optsize = sizeof(*shmac); 2867 SCTP_INP_RUNLOCK(inp); 2868 break; 2869 } 2870 /* is there room for all of the hmac ids? */ 2871 size = sizeof(*shmac) + (hmaclist->num_algo * 2872 sizeof(shmac->shmac_idents[0])); 2873 if (*optsize < size) { 2874 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2875 error = EINVAL; 2876 SCTP_INP_RUNLOCK(inp); 2877 break; 2878 } 2879 /* copy in the list */ 2880 shmac->shmac_number_of_idents = hmaclist->num_algo; 2881 for (i = 0; i < hmaclist->num_algo; i++) { 2882 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2883 } 2884 SCTP_INP_RUNLOCK(inp); 2885 *optsize = size; 2886 break; 2887 } 2888 case SCTP_AUTH_ACTIVE_KEY: 2889 { 2890 struct sctp_authkeyid *scact; 2891 2892 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2893 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2894 2895 if (stcb) { 2896 /* get the active key on the assoc */ 2897 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2898 SCTP_TCB_UNLOCK(stcb); 2899 } else { 2900 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2901 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2902 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2903 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2904 /* get the endpoint active key */ 2905 SCTP_INP_RLOCK(inp); 2906 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2907 SCTP_INP_RUNLOCK(inp); 2908 } else { 2909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2910 error = EINVAL; 2911 } 2912 } 2913 if (error == 0) { 2914 *optsize = sizeof(struct sctp_authkeyid); 2915 } 2916 break; 2917 } 2918 case SCTP_LOCAL_AUTH_CHUNKS: 2919 { 2920 struct sctp_authchunks *sac; 2921 sctp_auth_chklist_t *chklist = NULL; 2922 size_t size = 0; 2923 2924 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2925 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2926 2927 if (stcb) { 2928 /* get off the assoc */ 2929 chklist = stcb->asoc.local_auth_chunks; 2930 /* is there enough space? */ 2931 size = sctp_auth_get_chklist_size(chklist); 2932 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2933 error = EINVAL; 2934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2935 } else { 2936 /* copy in the chunks */ 2937 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2938 sac->gauth_number_of_chunks = (uint32_t)size; 2939 *optsize = sizeof(struct sctp_authchunks) + size; 2940 } 2941 SCTP_TCB_UNLOCK(stcb); 2942 } else { 2943 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2944 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2945 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2946 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2947 /* get off the endpoint */ 2948 SCTP_INP_RLOCK(inp); 2949 chklist = inp->sctp_ep.local_auth_chunks; 2950 /* is there enough space? */ 2951 size = sctp_auth_get_chklist_size(chklist); 2952 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2953 error = EINVAL; 2954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2955 } else { 2956 /* copy in the chunks */ 2957 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2958 sac->gauth_number_of_chunks = (uint32_t)size; 2959 *optsize = sizeof(struct sctp_authchunks) + size; 2960 } 2961 SCTP_INP_RUNLOCK(inp); 2962 } else { 2963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2964 error = EINVAL; 2965 } 2966 } 2967 break; 2968 } 2969 case SCTP_PEER_AUTH_CHUNKS: 2970 { 2971 struct sctp_authchunks *sac; 2972 sctp_auth_chklist_t *chklist = NULL; 2973 size_t size = 0; 2974 2975 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2976 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2977 2978 if (stcb) { 2979 /* get off the assoc */ 2980 chklist = stcb->asoc.peer_auth_chunks; 2981 /* is there enough space? */ 2982 size = sctp_auth_get_chklist_size(chklist); 2983 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2984 error = EINVAL; 2985 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2986 } else { 2987 /* copy in the chunks */ 2988 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2989 sac->gauth_number_of_chunks = (uint32_t)size; 2990 *optsize = sizeof(struct sctp_authchunks) + size; 2991 } 2992 SCTP_TCB_UNLOCK(stcb); 2993 } else { 2994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2995 error = ENOENT; 2996 } 2997 break; 2998 } 2999 case SCTP_EVENT: 3000 { 3001 struct sctp_event *event; 3002 uint32_t event_type; 3003 3004 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3005 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3006 3007 switch (event->se_type) { 3008 case SCTP_ASSOC_CHANGE: 3009 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3010 break; 3011 case SCTP_PEER_ADDR_CHANGE: 3012 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3013 break; 3014 case SCTP_REMOTE_ERROR: 3015 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3016 break; 3017 case SCTP_SEND_FAILED: 3018 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3019 break; 3020 case SCTP_SHUTDOWN_EVENT: 3021 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3022 break; 3023 case SCTP_ADAPTATION_INDICATION: 3024 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3025 break; 3026 case SCTP_PARTIAL_DELIVERY_EVENT: 3027 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3028 break; 3029 case SCTP_AUTHENTICATION_EVENT: 3030 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3031 break; 3032 case SCTP_STREAM_RESET_EVENT: 3033 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3034 break; 3035 case SCTP_SENDER_DRY_EVENT: 3036 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3037 break; 3038 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3039 event_type = 0; 3040 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3041 error = ENOTSUP; 3042 break; 3043 case SCTP_ASSOC_RESET_EVENT: 3044 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3045 break; 3046 case SCTP_STREAM_CHANGE_EVENT: 3047 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3048 break; 3049 case SCTP_SEND_FAILED_EVENT: 3050 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3051 break; 3052 default: 3053 event_type = 0; 3054 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3055 error = EINVAL; 3056 break; 3057 } 3058 if (event_type > 0) { 3059 if (stcb) { 3060 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3061 } else { 3062 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3063 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3064 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3065 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3066 SCTP_INP_RLOCK(inp); 3067 event->se_on = sctp_is_feature_on(inp, event_type); 3068 SCTP_INP_RUNLOCK(inp); 3069 } else { 3070 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3071 error = EINVAL; 3072 } 3073 } 3074 } 3075 if (stcb != NULL) { 3076 SCTP_TCB_UNLOCK(stcb); 3077 } 3078 if (error == 0) { 3079 *optsize = sizeof(struct sctp_event); 3080 } 3081 break; 3082 } 3083 case SCTP_RECVRCVINFO: 3084 if (*optsize < sizeof(int)) { 3085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3086 error = EINVAL; 3087 } else { 3088 SCTP_INP_RLOCK(inp); 3089 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3090 SCTP_INP_RUNLOCK(inp); 3091 *optsize = sizeof(int); 3092 } 3093 break; 3094 case SCTP_RECVNXTINFO: 3095 if (*optsize < sizeof(int)) { 3096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3097 error = EINVAL; 3098 } else { 3099 SCTP_INP_RLOCK(inp); 3100 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3101 SCTP_INP_RUNLOCK(inp); 3102 *optsize = sizeof(int); 3103 } 3104 break; 3105 case SCTP_DEFAULT_SNDINFO: 3106 { 3107 struct sctp_sndinfo *info; 3108 3109 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3110 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3111 3112 if (stcb) { 3113 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3114 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3115 info->snd_flags &= 0xfff0; 3116 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3117 info->snd_context = stcb->asoc.def_send.sinfo_context; 3118 SCTP_TCB_UNLOCK(stcb); 3119 } else { 3120 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3121 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3122 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3123 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3124 SCTP_INP_RLOCK(inp); 3125 info->snd_sid = inp->def_send.sinfo_stream; 3126 info->snd_flags = inp->def_send.sinfo_flags; 3127 info->snd_flags &= 0xfff0; 3128 info->snd_ppid = inp->def_send.sinfo_ppid; 3129 info->snd_context = inp->def_send.sinfo_context; 3130 SCTP_INP_RUNLOCK(inp); 3131 } else { 3132 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3133 error = EINVAL; 3134 } 3135 } 3136 if (error == 0) { 3137 *optsize = sizeof(struct sctp_sndinfo); 3138 } 3139 break; 3140 } 3141 case SCTP_DEFAULT_PRINFO: 3142 { 3143 struct sctp_default_prinfo *info; 3144 3145 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3146 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3147 3148 if (stcb) { 3149 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3150 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3151 SCTP_TCB_UNLOCK(stcb); 3152 } else { 3153 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3154 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3155 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3156 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3157 SCTP_INP_RLOCK(inp); 3158 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3159 info->pr_value = inp->def_send.sinfo_timetolive; 3160 SCTP_INP_RUNLOCK(inp); 3161 } else { 3162 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3163 error = EINVAL; 3164 } 3165 } 3166 if (error == 0) { 3167 *optsize = sizeof(struct sctp_default_prinfo); 3168 } 3169 break; 3170 } 3171 case SCTP_PEER_ADDR_THLDS: 3172 { 3173 struct sctp_paddrthlds *thlds; 3174 struct sctp_nets *net; 3175 struct sockaddr *addr; 3176 #if defined(INET) && defined(INET6) 3177 struct sockaddr_in sin_store; 3178 #endif 3179 3180 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3181 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3182 3183 #if defined(INET) && defined(INET6) 3184 if (thlds->spt_address.ss_family == AF_INET6) { 3185 struct sockaddr_in6 *sin6; 3186 3187 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3188 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3189 in6_sin6_2_sin(&sin_store, sin6); 3190 addr = (struct sockaddr *)&sin_store; 3191 } else { 3192 addr = (struct sockaddr *)&thlds->spt_address; 3193 } 3194 } else { 3195 addr = (struct sockaddr *)&thlds->spt_address; 3196 } 3197 #else 3198 addr = (struct sockaddr *)&thlds->spt_address; 3199 #endif 3200 if (stcb != NULL) { 3201 net = sctp_findnet(stcb, addr); 3202 } else { 3203 /* 3204 * We increment here since 3205 * sctp_findassociation_ep_addr() wil do a 3206 * decrement if it finds the stcb as long as 3207 * the locked tcb (last argument) is NOT a 3208 * TCB.. aka NULL. 3209 */ 3210 net = NULL; 3211 SCTP_INP_INCR_REF(inp); 3212 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3213 if (stcb == NULL) { 3214 SCTP_INP_DECR_REF(inp); 3215 } 3216 } 3217 if ((stcb != NULL) && (net == NULL)) { 3218 #ifdef INET 3219 if (addr->sa_family == AF_INET) { 3220 struct sockaddr_in *sin; 3221 3222 sin = (struct sockaddr_in *)addr; 3223 if (sin->sin_addr.s_addr != INADDR_ANY) { 3224 error = EINVAL; 3225 SCTP_TCB_UNLOCK(stcb); 3226 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3227 break; 3228 } 3229 } else 3230 #endif 3231 #ifdef INET6 3232 if (addr->sa_family == AF_INET6) { 3233 struct sockaddr_in6 *sin6; 3234 3235 sin6 = (struct sockaddr_in6 *)addr; 3236 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3237 error = EINVAL; 3238 SCTP_TCB_UNLOCK(stcb); 3239 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3240 break; 3241 } 3242 } else 3243 #endif 3244 { 3245 error = EAFNOSUPPORT; 3246 SCTP_TCB_UNLOCK(stcb); 3247 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3248 break; 3249 } 3250 } 3251 3252 if (stcb != NULL) { 3253 if (net != NULL) { 3254 thlds->spt_pathmaxrxt = net->failure_threshold; 3255 thlds->spt_pathpfthld = net->pf_threshold; 3256 thlds->spt_pathcpthld = 0xffff; 3257 } else { 3258 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3259 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3260 thlds->spt_pathcpthld = 0xffff; 3261 } 3262 thlds->spt_assoc_id = sctp_get_associd(stcb); 3263 SCTP_TCB_UNLOCK(stcb); 3264 } else { 3265 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3266 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3267 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3268 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3269 /* Use endpoint defaults */ 3270 SCTP_INP_RLOCK(inp); 3271 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3272 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3273 thlds->spt_pathcpthld = 0xffff; 3274 SCTP_INP_RUNLOCK(inp); 3275 } else { 3276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3277 error = EINVAL; 3278 } 3279 } 3280 if (error == 0) { 3281 *optsize = sizeof(struct sctp_paddrthlds); 3282 } 3283 break; 3284 } 3285 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3286 { 3287 struct sctp_udpencaps *encaps; 3288 struct sctp_nets *net; 3289 struct sockaddr *addr; 3290 #if defined(INET) && defined(INET6) 3291 struct sockaddr_in sin_store; 3292 #endif 3293 3294 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3295 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3296 3297 #if defined(INET) && defined(INET6) 3298 if (encaps->sue_address.ss_family == AF_INET6) { 3299 struct sockaddr_in6 *sin6; 3300 3301 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3302 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3303 in6_sin6_2_sin(&sin_store, sin6); 3304 addr = (struct sockaddr *)&sin_store; 3305 } else { 3306 addr = (struct sockaddr *)&encaps->sue_address; 3307 } 3308 } else { 3309 addr = (struct sockaddr *)&encaps->sue_address; 3310 } 3311 #else 3312 addr = (struct sockaddr *)&encaps->sue_address; 3313 #endif 3314 if (stcb) { 3315 net = sctp_findnet(stcb, addr); 3316 } else { 3317 /* 3318 * We increment here since 3319 * sctp_findassociation_ep_addr() wil do a 3320 * decrement if it finds the stcb as long as 3321 * the locked tcb (last argument) is NOT a 3322 * TCB.. aka NULL. 3323 */ 3324 net = NULL; 3325 SCTP_INP_INCR_REF(inp); 3326 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3327 if (stcb == NULL) { 3328 SCTP_INP_DECR_REF(inp); 3329 } 3330 } 3331 if ((stcb != NULL) && (net == NULL)) { 3332 #ifdef INET 3333 if (addr->sa_family == AF_INET) { 3334 struct sockaddr_in *sin; 3335 3336 sin = (struct sockaddr_in *)addr; 3337 if (sin->sin_addr.s_addr != INADDR_ANY) { 3338 error = EINVAL; 3339 SCTP_TCB_UNLOCK(stcb); 3340 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3341 break; 3342 } 3343 } else 3344 #endif 3345 #ifdef INET6 3346 if (addr->sa_family == AF_INET6) { 3347 struct sockaddr_in6 *sin6; 3348 3349 sin6 = (struct sockaddr_in6 *)addr; 3350 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3351 error = EINVAL; 3352 SCTP_TCB_UNLOCK(stcb); 3353 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3354 break; 3355 } 3356 } else 3357 #endif 3358 { 3359 error = EAFNOSUPPORT; 3360 SCTP_TCB_UNLOCK(stcb); 3361 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3362 break; 3363 } 3364 } 3365 3366 if (stcb != NULL) { 3367 if (net) { 3368 encaps->sue_port = net->port; 3369 } else { 3370 encaps->sue_port = stcb->asoc.port; 3371 } 3372 SCTP_TCB_UNLOCK(stcb); 3373 } else { 3374 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3375 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3376 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3377 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3378 SCTP_INP_RLOCK(inp); 3379 encaps->sue_port = inp->sctp_ep.port; 3380 SCTP_INP_RUNLOCK(inp); 3381 } else { 3382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3383 error = EINVAL; 3384 } 3385 } 3386 if (error == 0) { 3387 *optsize = sizeof(struct sctp_udpencaps); 3388 } 3389 break; 3390 } 3391 case SCTP_ECN_SUPPORTED: 3392 { 3393 struct sctp_assoc_value *av; 3394 3395 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3396 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3397 3398 if (stcb) { 3399 av->assoc_value = stcb->asoc.ecn_supported; 3400 SCTP_TCB_UNLOCK(stcb); 3401 } else { 3402 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3403 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3404 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3405 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3406 SCTP_INP_RLOCK(inp); 3407 av->assoc_value = inp->ecn_supported; 3408 SCTP_INP_RUNLOCK(inp); 3409 } else { 3410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3411 error = EINVAL; 3412 } 3413 } 3414 if (error == 0) { 3415 *optsize = sizeof(struct sctp_assoc_value); 3416 } 3417 break; 3418 } 3419 case SCTP_PR_SUPPORTED: 3420 { 3421 struct sctp_assoc_value *av; 3422 3423 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3424 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3425 3426 if (stcb) { 3427 av->assoc_value = stcb->asoc.prsctp_supported; 3428 SCTP_TCB_UNLOCK(stcb); 3429 } else { 3430 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3431 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3432 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3433 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3434 SCTP_INP_RLOCK(inp); 3435 av->assoc_value = inp->prsctp_supported; 3436 SCTP_INP_RUNLOCK(inp); 3437 } else { 3438 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3439 error = EINVAL; 3440 } 3441 } 3442 if (error == 0) { 3443 *optsize = sizeof(struct sctp_assoc_value); 3444 } 3445 break; 3446 } 3447 case SCTP_AUTH_SUPPORTED: 3448 { 3449 struct sctp_assoc_value *av; 3450 3451 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3452 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3453 3454 if (stcb) { 3455 av->assoc_value = stcb->asoc.auth_supported; 3456 SCTP_TCB_UNLOCK(stcb); 3457 } else { 3458 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3459 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3460 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3461 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3462 SCTP_INP_RLOCK(inp); 3463 av->assoc_value = inp->auth_supported; 3464 SCTP_INP_RUNLOCK(inp); 3465 } else { 3466 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3467 error = EINVAL; 3468 } 3469 } 3470 if (error == 0) { 3471 *optsize = sizeof(struct sctp_assoc_value); 3472 } 3473 break; 3474 } 3475 case SCTP_ASCONF_SUPPORTED: 3476 { 3477 struct sctp_assoc_value *av; 3478 3479 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3480 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3481 3482 if (stcb) { 3483 av->assoc_value = stcb->asoc.asconf_supported; 3484 SCTP_TCB_UNLOCK(stcb); 3485 } else { 3486 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3487 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3488 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3489 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3490 SCTP_INP_RLOCK(inp); 3491 av->assoc_value = inp->asconf_supported; 3492 SCTP_INP_RUNLOCK(inp); 3493 } else { 3494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3495 error = EINVAL; 3496 } 3497 } 3498 if (error == 0) { 3499 *optsize = sizeof(struct sctp_assoc_value); 3500 } 3501 break; 3502 } 3503 case SCTP_RECONFIG_SUPPORTED: 3504 { 3505 struct sctp_assoc_value *av; 3506 3507 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3508 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3509 3510 if (stcb) { 3511 av->assoc_value = stcb->asoc.reconfig_supported; 3512 SCTP_TCB_UNLOCK(stcb); 3513 } else { 3514 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3515 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3516 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3517 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3518 SCTP_INP_RLOCK(inp); 3519 av->assoc_value = inp->reconfig_supported; 3520 SCTP_INP_RUNLOCK(inp); 3521 } else { 3522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3523 error = EINVAL; 3524 } 3525 } 3526 if (error == 0) { 3527 *optsize = sizeof(struct sctp_assoc_value); 3528 } 3529 break; 3530 } 3531 case SCTP_NRSACK_SUPPORTED: 3532 { 3533 struct sctp_assoc_value *av; 3534 3535 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3536 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3537 3538 if (stcb) { 3539 av->assoc_value = stcb->asoc.nrsack_supported; 3540 SCTP_TCB_UNLOCK(stcb); 3541 } else { 3542 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3543 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3544 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3545 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3546 SCTP_INP_RLOCK(inp); 3547 av->assoc_value = inp->nrsack_supported; 3548 SCTP_INP_RUNLOCK(inp); 3549 } else { 3550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3551 error = EINVAL; 3552 } 3553 } 3554 if (error == 0) { 3555 *optsize = sizeof(struct sctp_assoc_value); 3556 } 3557 break; 3558 } 3559 case SCTP_PKTDROP_SUPPORTED: 3560 { 3561 struct sctp_assoc_value *av; 3562 3563 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3564 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3565 3566 if (stcb) { 3567 av->assoc_value = stcb->asoc.pktdrop_supported; 3568 SCTP_TCB_UNLOCK(stcb); 3569 } else { 3570 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3571 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3572 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3573 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3574 SCTP_INP_RLOCK(inp); 3575 av->assoc_value = inp->pktdrop_supported; 3576 SCTP_INP_RUNLOCK(inp); 3577 } else { 3578 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3579 error = EINVAL; 3580 } 3581 } 3582 if (error == 0) { 3583 *optsize = sizeof(struct sctp_assoc_value); 3584 } 3585 break; 3586 } 3587 case SCTP_ENABLE_STREAM_RESET: 3588 { 3589 struct sctp_assoc_value *av; 3590 3591 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3592 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3593 3594 if (stcb) { 3595 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3596 SCTP_TCB_UNLOCK(stcb); 3597 } else { 3598 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3599 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3600 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3601 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3602 SCTP_INP_RLOCK(inp); 3603 av->assoc_value = (uint32_t)inp->local_strreset_support; 3604 SCTP_INP_RUNLOCK(inp); 3605 } else { 3606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3607 error = EINVAL; 3608 } 3609 } 3610 if (error == 0) { 3611 *optsize = sizeof(struct sctp_assoc_value); 3612 } 3613 break; 3614 } 3615 case SCTP_PR_STREAM_STATUS: 3616 { 3617 struct sctp_prstatus *sprstat; 3618 uint16_t sid; 3619 uint16_t policy; 3620 3621 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3622 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3623 3624 sid = sprstat->sprstat_sid; 3625 policy = sprstat->sprstat_policy; 3626 #if defined(SCTP_DETAILED_STR_STATS) 3627 if ((stcb != NULL) && 3628 (sid < stcb->asoc.streamoutcnt) && 3629 (policy != SCTP_PR_SCTP_NONE) && 3630 ((policy <= SCTP_PR_SCTP_MAX) || 3631 (policy == SCTP_PR_SCTP_ALL))) { 3632 if (policy == SCTP_PR_SCTP_ALL) { 3633 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3634 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3635 } else { 3636 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3637 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3638 } 3639 #else 3640 if ((stcb != NULL) && 3641 (sid < stcb->asoc.streamoutcnt) && 3642 (policy == SCTP_PR_SCTP_ALL)) { 3643 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3644 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3645 #endif 3646 } else { 3647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3648 error = EINVAL; 3649 } 3650 if (stcb != NULL) { 3651 SCTP_TCB_UNLOCK(stcb); 3652 } 3653 if (error == 0) { 3654 *optsize = sizeof(struct sctp_prstatus); 3655 } 3656 break; 3657 } 3658 case SCTP_PR_ASSOC_STATUS: 3659 { 3660 struct sctp_prstatus *sprstat; 3661 uint16_t policy; 3662 3663 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3664 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3665 3666 policy = sprstat->sprstat_policy; 3667 if ((stcb != NULL) && 3668 (policy != SCTP_PR_SCTP_NONE) && 3669 ((policy <= SCTP_PR_SCTP_MAX) || 3670 (policy == SCTP_PR_SCTP_ALL))) { 3671 if (policy == SCTP_PR_SCTP_ALL) { 3672 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3673 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3674 } else { 3675 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3676 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3677 } 3678 } else { 3679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3680 error = EINVAL; 3681 } 3682 if (stcb != NULL) { 3683 SCTP_TCB_UNLOCK(stcb); 3684 } 3685 if (error == 0) { 3686 *optsize = sizeof(struct sctp_prstatus); 3687 } 3688 break; 3689 } 3690 case SCTP_MAX_CWND: 3691 { 3692 struct sctp_assoc_value *av; 3693 3694 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3695 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3696 3697 if (stcb) { 3698 av->assoc_value = stcb->asoc.max_cwnd; 3699 SCTP_TCB_UNLOCK(stcb); 3700 } else { 3701 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3702 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3703 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3704 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3705 SCTP_INP_RLOCK(inp); 3706 av->assoc_value = inp->max_cwnd; 3707 SCTP_INP_RUNLOCK(inp); 3708 } else { 3709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3710 error = EINVAL; 3711 } 3712 } 3713 if (error == 0) { 3714 *optsize = sizeof(struct sctp_assoc_value); 3715 } 3716 break; 3717 } 3718 default: 3719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3720 error = ENOPROTOOPT; 3721 break; 3722 } /* end switch (sopt->sopt_name) */ 3723 if (error) { 3724 *optsize = 0; 3725 } 3726 return (error); 3727 } 3728 3729 static int 3730 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3731 void *p) 3732 { 3733 int error, set_opt; 3734 uint32_t *mopt; 3735 struct sctp_tcb *stcb = NULL; 3736 struct sctp_inpcb *inp = NULL; 3737 uint32_t vrf_id; 3738 3739 if (optval == NULL) { 3740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3741 return (EINVAL); 3742 } 3743 inp = (struct sctp_inpcb *)so->so_pcb; 3744 if (inp == NULL) { 3745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3746 return (EINVAL); 3747 } 3748 vrf_id = inp->def_vrf_id; 3749 3750 error = 0; 3751 switch (optname) { 3752 case SCTP_NODELAY: 3753 case SCTP_AUTOCLOSE: 3754 case SCTP_AUTO_ASCONF: 3755 case SCTP_EXPLICIT_EOR: 3756 case SCTP_DISABLE_FRAGMENTS: 3757 case SCTP_USE_EXT_RCVINFO: 3758 case SCTP_I_WANT_MAPPED_V4_ADDR: 3759 /* copy in the option value */ 3760 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3761 set_opt = 0; 3762 if (error) 3763 break; 3764 switch (optname) { 3765 case SCTP_DISABLE_FRAGMENTS: 3766 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3767 break; 3768 case SCTP_AUTO_ASCONF: 3769 /* 3770 * NOTE: we don't really support this flag 3771 */ 3772 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3773 /* only valid for bound all sockets */ 3774 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3775 (*mopt != 0)) { 3776 /* forbidden by admin */ 3777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3778 return (EPERM); 3779 } 3780 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3781 } else { 3782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3783 return (EINVAL); 3784 } 3785 break; 3786 case SCTP_EXPLICIT_EOR: 3787 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3788 break; 3789 case SCTP_USE_EXT_RCVINFO: 3790 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3791 break; 3792 case SCTP_I_WANT_MAPPED_V4_ADDR: 3793 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3794 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3795 } else { 3796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3797 return (EINVAL); 3798 } 3799 break; 3800 case SCTP_NODELAY: 3801 set_opt = SCTP_PCB_FLAGS_NODELAY; 3802 break; 3803 case SCTP_AUTOCLOSE: 3804 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3805 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3807 return (EINVAL); 3808 } 3809 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3810 /* 3811 * The value is in ticks. Note this does not effect 3812 * old associations, only new ones. 3813 */ 3814 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3815 break; 3816 } 3817 SCTP_INP_WLOCK(inp); 3818 if (*mopt != 0) { 3819 sctp_feature_on(inp, set_opt); 3820 } else { 3821 sctp_feature_off(inp, set_opt); 3822 } 3823 SCTP_INP_WUNLOCK(inp); 3824 break; 3825 case SCTP_REUSE_PORT: 3826 { 3827 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3828 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3829 /* Can't set it after we are bound */ 3830 error = EINVAL; 3831 break; 3832 } 3833 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3834 /* Can't do this for a 1-m socket */ 3835 error = EINVAL; 3836 break; 3837 } 3838 if (optval) 3839 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3840 else 3841 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3842 break; 3843 } 3844 case SCTP_PARTIAL_DELIVERY_POINT: 3845 { 3846 uint32_t *value; 3847 3848 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3849 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3851 error = EINVAL; 3852 break; 3853 } 3854 inp->partial_delivery_point = *value; 3855 break; 3856 } 3857 case SCTP_FRAGMENT_INTERLEAVE: 3858 /* not yet until we re-write sctp_recvmsg() */ 3859 { 3860 uint32_t *level; 3861 3862 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3863 if (*level == SCTP_FRAG_LEVEL_2) { 3864 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3865 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3866 } else if (*level == SCTP_FRAG_LEVEL_1) { 3867 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3868 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3869 } else if (*level == SCTP_FRAG_LEVEL_0) { 3870 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3871 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3872 3873 } else { 3874 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3875 error = EINVAL; 3876 } 3877 break; 3878 } 3879 case SCTP_INTERLEAVING_SUPPORTED: 3880 { 3881 struct sctp_assoc_value *av; 3882 3883 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3884 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3885 3886 if (stcb) { 3887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3888 error = EINVAL; 3889 SCTP_TCB_UNLOCK(stcb); 3890 } else { 3891 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3892 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3893 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3894 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3895 SCTP_INP_WLOCK(inp); 3896 if (av->assoc_value == 0) { 3897 inp->idata_supported = 0; 3898 } else { 3899 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3900 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3901 inp->idata_supported = 1; 3902 } else { 3903 /* 3904 * Must have Frag 3905 * interleave and 3906 * stream interleave 3907 * on 3908 */ 3909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3910 error = EINVAL; 3911 } 3912 } 3913 SCTP_INP_WUNLOCK(inp); 3914 } else { 3915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3916 error = EINVAL; 3917 } 3918 } 3919 break; 3920 } 3921 case SCTP_CMT_ON_OFF: 3922 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3923 struct sctp_assoc_value *av; 3924 3925 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3926 if (av->assoc_value > SCTP_CMT_MAX) { 3927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3928 error = EINVAL; 3929 break; 3930 } 3931 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3932 if (stcb) { 3933 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3934 SCTP_TCB_UNLOCK(stcb); 3935 } else { 3936 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3937 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3938 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3939 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3940 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3941 SCTP_INP_WLOCK(inp); 3942 inp->sctp_cmt_on_off = av->assoc_value; 3943 SCTP_INP_WUNLOCK(inp); 3944 } 3945 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3946 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3947 (av->assoc_id == SCTP_ALL_ASSOC))) { 3948 SCTP_INP_RLOCK(inp); 3949 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3950 SCTP_TCB_LOCK(stcb); 3951 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3952 SCTP_TCB_UNLOCK(stcb); 3953 } 3954 SCTP_INP_RUNLOCK(inp); 3955 } 3956 } 3957 } else { 3958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3959 error = ENOPROTOOPT; 3960 } 3961 break; 3962 case SCTP_PLUGGABLE_CC: 3963 { 3964 struct sctp_assoc_value *av; 3965 struct sctp_nets *net; 3966 3967 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3968 if ((av->assoc_value != SCTP_CC_RFC2581) && 3969 (av->assoc_value != SCTP_CC_HSTCP) && 3970 (av->assoc_value != SCTP_CC_HTCP) && 3971 (av->assoc_value != SCTP_CC_RTCC)) { 3972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3973 error = EINVAL; 3974 break; 3975 } 3976 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3977 if (stcb) { 3978 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3979 stcb->asoc.congestion_control_module = av->assoc_value; 3980 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3981 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3982 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3983 } 3984 } 3985 SCTP_TCB_UNLOCK(stcb); 3986 } else { 3987 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3988 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3989 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3990 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3991 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3992 SCTP_INP_WLOCK(inp); 3993 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3994 SCTP_INP_WUNLOCK(inp); 3995 } 3996 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3997 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3998 (av->assoc_id == SCTP_ALL_ASSOC))) { 3999 SCTP_INP_RLOCK(inp); 4000 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4001 SCTP_TCB_LOCK(stcb); 4002 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4003 stcb->asoc.congestion_control_module = av->assoc_value; 4004 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4005 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4006 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4007 } 4008 } 4009 SCTP_TCB_UNLOCK(stcb); 4010 } 4011 SCTP_INP_RUNLOCK(inp); 4012 } 4013 } 4014 break; 4015 } 4016 case SCTP_CC_OPTION: 4017 { 4018 struct sctp_cc_option *cc_opt; 4019 4020 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4021 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4022 if (stcb == NULL) { 4023 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4024 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4025 SCTP_INP_RLOCK(inp); 4026 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4027 SCTP_TCB_LOCK(stcb); 4028 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4029 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4030 } 4031 SCTP_TCB_UNLOCK(stcb); 4032 } 4033 SCTP_INP_RUNLOCK(inp); 4034 } else { 4035 error = EINVAL; 4036 } 4037 } else { 4038 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4039 error = ENOTSUP; 4040 } else { 4041 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4042 cc_opt); 4043 } 4044 SCTP_TCB_UNLOCK(stcb); 4045 } 4046 break; 4047 } 4048 case SCTP_PLUGGABLE_SS: 4049 { 4050 struct sctp_assoc_value *av; 4051 4052 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4053 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4054 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4055 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4056 (av->assoc_value != SCTP_SS_PRIORITY) && 4057 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4058 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4059 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4060 error = EINVAL; 4061 break; 4062 } 4063 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4064 if (stcb) { 4065 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4066 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4067 stcb->asoc.stream_scheduling_module = av->assoc_value; 4068 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4069 SCTP_TCB_UNLOCK(stcb); 4070 } else { 4071 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4072 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4073 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4074 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4075 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4076 SCTP_INP_WLOCK(inp); 4077 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4078 SCTP_INP_WUNLOCK(inp); 4079 } 4080 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4081 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4082 (av->assoc_id == SCTP_ALL_ASSOC))) { 4083 SCTP_INP_RLOCK(inp); 4084 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4085 SCTP_TCB_LOCK(stcb); 4086 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4087 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4088 stcb->asoc.stream_scheduling_module = av->assoc_value; 4089 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4090 SCTP_TCB_UNLOCK(stcb); 4091 } 4092 SCTP_INP_RUNLOCK(inp); 4093 } 4094 } 4095 break; 4096 } 4097 case SCTP_SS_VALUE: 4098 { 4099 struct sctp_stream_value *av; 4100 4101 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4102 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4103 if (stcb) { 4104 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4105 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4106 av->stream_value) < 0)) { 4107 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4108 error = EINVAL; 4109 } 4110 SCTP_TCB_UNLOCK(stcb); 4111 } else { 4112 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4113 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4114 SCTP_INP_RLOCK(inp); 4115 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4116 SCTP_TCB_LOCK(stcb); 4117 if (av->stream_id < stcb->asoc.streamoutcnt) { 4118 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4119 &stcb->asoc, 4120 &stcb->asoc.strmout[av->stream_id], 4121 av->stream_value); 4122 } 4123 SCTP_TCB_UNLOCK(stcb); 4124 } 4125 SCTP_INP_RUNLOCK(inp); 4126 } else { 4127 /* 4128 * Can't set stream value without 4129 * association 4130 */ 4131 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4132 error = EINVAL; 4133 } 4134 } 4135 break; 4136 } 4137 case SCTP_CLR_STAT_LOG: 4138 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4139 error = EOPNOTSUPP; 4140 break; 4141 case SCTP_CONTEXT: 4142 { 4143 struct sctp_assoc_value *av; 4144 4145 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4146 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4147 4148 if (stcb) { 4149 stcb->asoc.context = av->assoc_value; 4150 SCTP_TCB_UNLOCK(stcb); 4151 } else { 4152 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4153 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4154 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4155 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4156 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4157 SCTP_INP_WLOCK(inp); 4158 inp->sctp_context = av->assoc_value; 4159 SCTP_INP_WUNLOCK(inp); 4160 } 4161 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4162 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4163 (av->assoc_id == SCTP_ALL_ASSOC))) { 4164 SCTP_INP_RLOCK(inp); 4165 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4166 SCTP_TCB_LOCK(stcb); 4167 stcb->asoc.context = av->assoc_value; 4168 SCTP_TCB_UNLOCK(stcb); 4169 } 4170 SCTP_INP_RUNLOCK(inp); 4171 } 4172 } 4173 break; 4174 } 4175 case SCTP_VRF_ID: 4176 { 4177 uint32_t *default_vrfid; 4178 4179 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4180 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4182 error = EINVAL; 4183 break; 4184 } 4185 inp->def_vrf_id = *default_vrfid; 4186 break; 4187 } 4188 case SCTP_DEL_VRF_ID: 4189 { 4190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4191 error = EOPNOTSUPP; 4192 break; 4193 } 4194 case SCTP_ADD_VRF_ID: 4195 { 4196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4197 error = EOPNOTSUPP; 4198 break; 4199 } 4200 case SCTP_DELAYED_SACK: 4201 { 4202 struct sctp_sack_info *sack; 4203 4204 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4205 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4206 if (sack->sack_delay) { 4207 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4208 error = EINVAL; 4209 if (stcb != NULL) { 4210 SCTP_TCB_UNLOCK(stcb); 4211 } 4212 break; 4213 } 4214 } 4215 if (stcb) { 4216 if (sack->sack_delay) { 4217 stcb->asoc.delayed_ack = sack->sack_delay; 4218 } 4219 if (sack->sack_freq) { 4220 stcb->asoc.sack_freq = sack->sack_freq; 4221 } 4222 SCTP_TCB_UNLOCK(stcb); 4223 } else { 4224 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4225 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4226 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4227 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4228 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4229 SCTP_INP_WLOCK(inp); 4230 if (sack->sack_delay) { 4231 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4232 } 4233 if (sack->sack_freq) { 4234 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4235 } 4236 SCTP_INP_WUNLOCK(inp); 4237 } 4238 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4239 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4240 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4241 SCTP_INP_RLOCK(inp); 4242 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4243 SCTP_TCB_LOCK(stcb); 4244 if (sack->sack_delay) { 4245 stcb->asoc.delayed_ack = sack->sack_delay; 4246 } 4247 if (sack->sack_freq) { 4248 stcb->asoc.sack_freq = sack->sack_freq; 4249 } 4250 SCTP_TCB_UNLOCK(stcb); 4251 } 4252 SCTP_INP_RUNLOCK(inp); 4253 } 4254 } 4255 break; 4256 } 4257 case SCTP_AUTH_CHUNK: 4258 { 4259 struct sctp_authchunk *sauth; 4260 4261 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4262 4263 SCTP_INP_WLOCK(inp); 4264 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4266 error = EINVAL; 4267 } else { 4268 inp->auth_supported = 1; 4269 } 4270 SCTP_INP_WUNLOCK(inp); 4271 break; 4272 } 4273 case SCTP_AUTH_KEY: 4274 { 4275 struct sctp_authkey *sca; 4276 struct sctp_keyhead *shared_keys; 4277 sctp_sharedkey_t *shared_key; 4278 sctp_key_t *key = NULL; 4279 size_t size; 4280 4281 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4282 if (sca->sca_keylength == 0) { 4283 size = optsize - sizeof(struct sctp_authkey); 4284 } else { 4285 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4286 size = sca->sca_keylength; 4287 } else { 4288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4289 error = EINVAL; 4290 break; 4291 } 4292 } 4293 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4294 4295 if (stcb) { 4296 shared_keys = &stcb->asoc.shared_keys; 4297 /* clear the cached keys for this key id */ 4298 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4299 /* 4300 * create the new shared key and 4301 * insert/replace it 4302 */ 4303 if (size > 0) { 4304 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4305 if (key == NULL) { 4306 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4307 error = ENOMEM; 4308 SCTP_TCB_UNLOCK(stcb); 4309 break; 4310 } 4311 } 4312 shared_key = sctp_alloc_sharedkey(); 4313 if (shared_key == NULL) { 4314 sctp_free_key(key); 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 shared_key->key = key; 4321 shared_key->keyid = sca->sca_keynumber; 4322 error = sctp_insert_sharedkey(shared_keys, shared_key); 4323 SCTP_TCB_UNLOCK(stcb); 4324 } else { 4325 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4326 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4327 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4328 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4329 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4330 SCTP_INP_WLOCK(inp); 4331 shared_keys = &inp->sctp_ep.shared_keys; 4332 /* 4333 * clear the cached keys on all 4334 * assocs for this key id 4335 */ 4336 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4337 /* 4338 * create the new shared key and 4339 * insert/replace it 4340 */ 4341 if (size > 0) { 4342 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4343 if (key == NULL) { 4344 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4345 error = ENOMEM; 4346 SCTP_INP_WUNLOCK(inp); 4347 break; 4348 } 4349 } 4350 shared_key = sctp_alloc_sharedkey(); 4351 if (shared_key == NULL) { 4352 sctp_free_key(key); 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 shared_key->key = key; 4359 shared_key->keyid = sca->sca_keynumber; 4360 error = sctp_insert_sharedkey(shared_keys, shared_key); 4361 SCTP_INP_WUNLOCK(inp); 4362 } 4363 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4364 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4365 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4366 SCTP_INP_RLOCK(inp); 4367 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4368 SCTP_TCB_LOCK(stcb); 4369 shared_keys = &stcb->asoc.shared_keys; 4370 /* 4371 * clear the cached keys for 4372 * this key id 4373 */ 4374 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4375 /* 4376 * create the new shared key 4377 * and insert/replace it 4378 */ 4379 if (size > 0) { 4380 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4381 if (key == NULL) { 4382 SCTP_TCB_UNLOCK(stcb); 4383 continue; 4384 } 4385 } 4386 shared_key = sctp_alloc_sharedkey(); 4387 if (shared_key == NULL) { 4388 sctp_free_key(key); 4389 SCTP_TCB_UNLOCK(stcb); 4390 continue; 4391 } 4392 shared_key->key = key; 4393 shared_key->keyid = sca->sca_keynumber; 4394 error = sctp_insert_sharedkey(shared_keys, shared_key); 4395 SCTP_TCB_UNLOCK(stcb); 4396 } 4397 SCTP_INP_RUNLOCK(inp); 4398 } 4399 } 4400 break; 4401 } 4402 case SCTP_HMAC_IDENT: 4403 { 4404 struct sctp_hmacalgo *shmac; 4405 sctp_hmaclist_t *hmaclist; 4406 uint16_t hmacid; 4407 uint32_t i; 4408 4409 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4410 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4411 (shmac->shmac_number_of_idents > 0xffff)) { 4412 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4413 error = EINVAL; 4414 break; 4415 } 4416 4417 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4418 if (hmaclist == NULL) { 4419 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4420 error = ENOMEM; 4421 break; 4422 } 4423 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4424 hmacid = shmac->shmac_idents[i]; 4425 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4426 /* invalid HMACs were found */ ; 4427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4428 error = EINVAL; 4429 sctp_free_hmaclist(hmaclist); 4430 goto sctp_set_hmac_done; 4431 } 4432 } 4433 for (i = 0; i < hmaclist->num_algo; i++) { 4434 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4435 /* already in list */ 4436 break; 4437 } 4438 } 4439 if (i == hmaclist->num_algo) { 4440 /* not found in list */ 4441 sctp_free_hmaclist(hmaclist); 4442 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4443 error = EINVAL; 4444 break; 4445 } 4446 /* set it on the endpoint */ 4447 SCTP_INP_WLOCK(inp); 4448 if (inp->sctp_ep.local_hmacs) 4449 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4450 inp->sctp_ep.local_hmacs = hmaclist; 4451 SCTP_INP_WUNLOCK(inp); 4452 sctp_set_hmac_done: 4453 break; 4454 } 4455 case SCTP_AUTH_ACTIVE_KEY: 4456 { 4457 struct sctp_authkeyid *scact; 4458 4459 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4460 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4461 4462 /* set the active key on the right place */ 4463 if (stcb) { 4464 /* set the active key on the assoc */ 4465 if (sctp_auth_setactivekey(stcb, 4466 scact->scact_keynumber)) { 4467 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4468 SCTP_FROM_SCTP_USRREQ, 4469 EINVAL); 4470 error = EINVAL; 4471 } 4472 SCTP_TCB_UNLOCK(stcb); 4473 } else { 4474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4475 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4476 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4477 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4478 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4479 SCTP_INP_WLOCK(inp); 4480 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4481 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4482 error = EINVAL; 4483 } 4484 SCTP_INP_WUNLOCK(inp); 4485 } 4486 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4487 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4488 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4489 SCTP_INP_RLOCK(inp); 4490 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4491 SCTP_TCB_LOCK(stcb); 4492 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4493 SCTP_TCB_UNLOCK(stcb); 4494 } 4495 SCTP_INP_RUNLOCK(inp); 4496 } 4497 } 4498 break; 4499 } 4500 case SCTP_AUTH_DELETE_KEY: 4501 { 4502 struct sctp_authkeyid *scdel; 4503 4504 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4505 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4506 4507 /* delete the key from the right place */ 4508 if (stcb) { 4509 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4511 error = EINVAL; 4512 } 4513 SCTP_TCB_UNLOCK(stcb); 4514 } else { 4515 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4516 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4517 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4518 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4519 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4520 SCTP_INP_WLOCK(inp); 4521 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4523 error = EINVAL; 4524 } 4525 SCTP_INP_WUNLOCK(inp); 4526 } 4527 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4528 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4529 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4530 SCTP_INP_RLOCK(inp); 4531 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4532 SCTP_TCB_LOCK(stcb); 4533 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4534 SCTP_TCB_UNLOCK(stcb); 4535 } 4536 SCTP_INP_RUNLOCK(inp); 4537 } 4538 } 4539 break; 4540 } 4541 case SCTP_AUTH_DEACTIVATE_KEY: 4542 { 4543 struct sctp_authkeyid *keyid; 4544 4545 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4546 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4547 4548 /* deactivate the key from the right place */ 4549 if (stcb) { 4550 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4552 error = EINVAL; 4553 } 4554 SCTP_TCB_UNLOCK(stcb); 4555 } else { 4556 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4557 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4558 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4559 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4560 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4561 SCTP_INP_WLOCK(inp); 4562 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4564 error = EINVAL; 4565 } 4566 SCTP_INP_WUNLOCK(inp); 4567 } 4568 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4569 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4570 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4571 SCTP_INP_RLOCK(inp); 4572 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4573 SCTP_TCB_LOCK(stcb); 4574 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4575 SCTP_TCB_UNLOCK(stcb); 4576 } 4577 SCTP_INP_RUNLOCK(inp); 4578 } 4579 } 4580 break; 4581 } 4582 case SCTP_ENABLE_STREAM_RESET: 4583 { 4584 struct sctp_assoc_value *av; 4585 4586 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4587 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4588 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4589 error = EINVAL; 4590 break; 4591 } 4592 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4593 if (stcb) { 4594 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4595 SCTP_TCB_UNLOCK(stcb); 4596 } else { 4597 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4598 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4599 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4600 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4601 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4602 SCTP_INP_WLOCK(inp); 4603 inp->local_strreset_support = (uint8_t)av->assoc_value; 4604 SCTP_INP_WUNLOCK(inp); 4605 } 4606 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4607 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4608 (av->assoc_id == SCTP_ALL_ASSOC))) { 4609 SCTP_INP_RLOCK(inp); 4610 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4611 SCTP_TCB_LOCK(stcb); 4612 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4613 SCTP_TCB_UNLOCK(stcb); 4614 } 4615 SCTP_INP_RUNLOCK(inp); 4616 } 4617 } 4618 break; 4619 } 4620 case SCTP_RESET_STREAMS: 4621 { 4622 struct sctp_reset_streams *strrst; 4623 int i, send_out = 0; 4624 int send_in = 0; 4625 4626 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4627 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4628 if (stcb == NULL) { 4629 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4630 error = ENOENT; 4631 break; 4632 } 4633 if (stcb->asoc.reconfig_supported == 0) { 4634 /* 4635 * Peer does not support the chunk type. 4636 */ 4637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4638 error = EOPNOTSUPP; 4639 SCTP_TCB_UNLOCK(stcb); 4640 break; 4641 } 4642 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4643 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4644 error = EINVAL; 4645 SCTP_TCB_UNLOCK(stcb); 4646 break; 4647 } 4648 if (sizeof(struct sctp_reset_streams) + 4649 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4650 error = EINVAL; 4651 SCTP_TCB_UNLOCK(stcb); 4652 break; 4653 } 4654 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4655 send_in = 1; 4656 if (stcb->asoc.stream_reset_outstanding) { 4657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4658 error = EALREADY; 4659 SCTP_TCB_UNLOCK(stcb); 4660 break; 4661 } 4662 } 4663 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4664 send_out = 1; 4665 } 4666 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4668 error = ENOMEM; 4669 SCTP_TCB_UNLOCK(stcb); 4670 break; 4671 } 4672 if ((send_in == 0) && (send_out == 0)) { 4673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4674 error = EINVAL; 4675 SCTP_TCB_UNLOCK(stcb); 4676 break; 4677 } 4678 for (i = 0; i < strrst->srs_number_streams; i++) { 4679 if ((send_in) && 4680 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4681 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4682 error = EINVAL; 4683 break; 4684 } 4685 if ((send_out) && 4686 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4688 error = EINVAL; 4689 break; 4690 } 4691 } 4692 if (error) { 4693 SCTP_TCB_UNLOCK(stcb); 4694 break; 4695 } 4696 if (send_out) { 4697 int cnt; 4698 uint16_t strm; 4699 4700 if (strrst->srs_number_streams) { 4701 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4702 strm = strrst->srs_stream_list[i]; 4703 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4704 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4705 cnt++; 4706 } 4707 } 4708 } else { 4709 /* Its all */ 4710 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4711 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4712 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4713 cnt++; 4714 } 4715 } 4716 } 4717 } 4718 if (send_in) { 4719 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4720 strrst->srs_stream_list, 4721 send_in, 0, 0, 0, 0, 0); 4722 } else { 4723 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4724 } 4725 if (error == 0) { 4726 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4727 } else { 4728 /* 4729 * For outgoing streams don't report any 4730 * problems in sending the request to the 4731 * application. XXX: Double check resetting 4732 * incoming streams. 4733 */ 4734 error = 0; 4735 } 4736 SCTP_TCB_UNLOCK(stcb); 4737 break; 4738 } 4739 case SCTP_ADD_STREAMS: 4740 { 4741 struct sctp_add_streams *stradd; 4742 uint8_t addstream = 0; 4743 uint16_t add_o_strmcnt = 0; 4744 uint16_t add_i_strmcnt = 0; 4745 4746 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4747 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4748 if (stcb == NULL) { 4749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4750 error = ENOENT; 4751 break; 4752 } 4753 if (stcb->asoc.reconfig_supported == 0) { 4754 /* 4755 * Peer does not support the chunk type. 4756 */ 4757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4758 error = EOPNOTSUPP; 4759 SCTP_TCB_UNLOCK(stcb); 4760 break; 4761 } 4762 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4764 error = EINVAL; 4765 SCTP_TCB_UNLOCK(stcb); 4766 break; 4767 } 4768 if (stcb->asoc.stream_reset_outstanding) { 4769 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4770 error = EALREADY; 4771 SCTP_TCB_UNLOCK(stcb); 4772 break; 4773 } 4774 if ((stradd->sas_outstrms == 0) && 4775 (stradd->sas_instrms == 0)) { 4776 error = EINVAL; 4777 goto skip_stuff; 4778 } 4779 if (stradd->sas_outstrms) { 4780 addstream = 1; 4781 /* We allocate here */ 4782 add_o_strmcnt = stradd->sas_outstrms; 4783 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4784 /* You can't have more than 64k */ 4785 error = EINVAL; 4786 goto skip_stuff; 4787 } 4788 } 4789 if (stradd->sas_instrms) { 4790 int cnt; 4791 4792 addstream |= 2; 4793 /* 4794 * We allocate inside 4795 * sctp_send_str_reset_req() 4796 */ 4797 add_i_strmcnt = stradd->sas_instrms; 4798 cnt = add_i_strmcnt; 4799 cnt += stcb->asoc.streamincnt; 4800 if (cnt > 0x0000ffff) { 4801 /* You can't have more than 64k */ 4802 error = EINVAL; 4803 goto skip_stuff; 4804 } 4805 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4806 /* More than you are allowed */ 4807 error = EINVAL; 4808 goto skip_stuff; 4809 } 4810 } 4811 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4812 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4813 skip_stuff: 4814 SCTP_TCB_UNLOCK(stcb); 4815 break; 4816 } 4817 case SCTP_RESET_ASSOC: 4818 { 4819 int i; 4820 uint32_t *value; 4821 4822 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4823 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4824 if (stcb == NULL) { 4825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4826 error = ENOENT; 4827 break; 4828 } 4829 if (stcb->asoc.reconfig_supported == 0) { 4830 /* 4831 * Peer does not support the chunk type. 4832 */ 4833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4834 error = EOPNOTSUPP; 4835 SCTP_TCB_UNLOCK(stcb); 4836 break; 4837 } 4838 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4840 error = EINVAL; 4841 SCTP_TCB_UNLOCK(stcb); 4842 break; 4843 } 4844 if (stcb->asoc.stream_reset_outstanding) { 4845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4846 error = EALREADY; 4847 SCTP_TCB_UNLOCK(stcb); 4848 break; 4849 } 4850 /* 4851 * Is there any data pending in the send or sent 4852 * queues? 4853 */ 4854 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4855 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4856 busy_out: 4857 error = EBUSY; 4858 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4859 SCTP_TCB_UNLOCK(stcb); 4860 break; 4861 } 4862 /* Do any streams have data queued? */ 4863 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4864 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4865 goto busy_out; 4866 } 4867 } 4868 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4869 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4870 SCTP_TCB_UNLOCK(stcb); 4871 break; 4872 } 4873 case SCTP_CONNECT_X: 4874 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4876 error = EINVAL; 4877 break; 4878 } 4879 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4880 break; 4881 case SCTP_CONNECT_X_DELAYED: 4882 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4884 error = EINVAL; 4885 break; 4886 } 4887 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4888 break; 4889 case SCTP_CONNECT_X_COMPLETE: 4890 { 4891 struct sockaddr *sa; 4892 4893 /* FIXME MT: check correct? */ 4894 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4895 4896 /* find tcb */ 4897 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4898 SCTP_INP_RLOCK(inp); 4899 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4900 if (stcb) { 4901 SCTP_TCB_LOCK(stcb); 4902 } 4903 SCTP_INP_RUNLOCK(inp); 4904 } else { 4905 /* 4906 * We increment here since 4907 * sctp_findassociation_ep_addr() wil do a 4908 * decrement if it finds the stcb as long as 4909 * the locked tcb (last argument) is NOT a 4910 * TCB.. aka NULL. 4911 */ 4912 SCTP_INP_INCR_REF(inp); 4913 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4914 if (stcb == NULL) { 4915 SCTP_INP_DECR_REF(inp); 4916 } 4917 } 4918 4919 if (stcb == NULL) { 4920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4921 error = ENOENT; 4922 break; 4923 } 4924 if (stcb->asoc.delayed_connection == 1) { 4925 stcb->asoc.delayed_connection = 0; 4926 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4927 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4928 stcb->asoc.primary_destination, 4929 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4930 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4931 } else { 4932 /* 4933 * already expired or did not use delayed 4934 * connectx 4935 */ 4936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4937 error = EALREADY; 4938 } 4939 SCTP_TCB_UNLOCK(stcb); 4940 break; 4941 } 4942 case SCTP_MAX_BURST: 4943 { 4944 struct sctp_assoc_value *av; 4945 4946 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4947 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4948 4949 if (stcb) { 4950 stcb->asoc.max_burst = av->assoc_value; 4951 SCTP_TCB_UNLOCK(stcb); 4952 } else { 4953 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4954 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4955 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4956 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4957 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4958 SCTP_INP_WLOCK(inp); 4959 inp->sctp_ep.max_burst = av->assoc_value; 4960 SCTP_INP_WUNLOCK(inp); 4961 } 4962 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4963 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4964 (av->assoc_id == SCTP_ALL_ASSOC))) { 4965 SCTP_INP_RLOCK(inp); 4966 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4967 SCTP_TCB_LOCK(stcb); 4968 stcb->asoc.max_burst = av->assoc_value; 4969 SCTP_TCB_UNLOCK(stcb); 4970 } 4971 SCTP_INP_RUNLOCK(inp); 4972 } 4973 } 4974 break; 4975 } 4976 case SCTP_MAXSEG: 4977 { 4978 struct sctp_assoc_value *av; 4979 4980 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4981 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4982 4983 if (stcb) { 4984 stcb->asoc.sctp_frag_point = av->assoc_value; 4985 SCTP_TCB_UNLOCK(stcb); 4986 } else { 4987 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4988 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4989 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4990 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 4991 SCTP_INP_WLOCK(inp); 4992 inp->sctp_frag_point = av->assoc_value; 4993 SCTP_INP_WUNLOCK(inp); 4994 } else { 4995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4996 error = EINVAL; 4997 } 4998 } 4999 break; 5000 } 5001 case SCTP_EVENTS: 5002 { 5003 struct sctp_event_subscribe *events; 5004 5005 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5006 5007 SCTP_INP_WLOCK(inp); 5008 if (events->sctp_data_io_event) { 5009 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5010 } else { 5011 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5012 } 5013 5014 if (events->sctp_association_event) { 5015 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5016 } else { 5017 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5018 } 5019 5020 if (events->sctp_address_event) { 5021 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5022 } else { 5023 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5024 } 5025 5026 if (events->sctp_send_failure_event) { 5027 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5028 } else { 5029 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5030 } 5031 5032 if (events->sctp_peer_error_event) { 5033 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5034 } else { 5035 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5036 } 5037 5038 if (events->sctp_shutdown_event) { 5039 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5040 } else { 5041 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5042 } 5043 5044 if (events->sctp_partial_delivery_event) { 5045 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5046 } else { 5047 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5048 } 5049 5050 if (events->sctp_adaptation_layer_event) { 5051 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5052 } else { 5053 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5054 } 5055 5056 if (events->sctp_authentication_event) { 5057 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5058 } else { 5059 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5060 } 5061 5062 if (events->sctp_sender_dry_event) { 5063 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5064 } else { 5065 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5066 } 5067 5068 if (events->sctp_stream_reset_event) { 5069 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5070 } else { 5071 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5072 } 5073 5074 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5075 SCTP_TCB_LOCK(stcb); 5076 if (events->sctp_association_event) { 5077 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5078 } else { 5079 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5080 } 5081 if (events->sctp_address_event) { 5082 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5083 } else { 5084 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5085 } 5086 if (events->sctp_send_failure_event) { 5087 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5088 } else { 5089 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5090 } 5091 if (events->sctp_peer_error_event) { 5092 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5093 } else { 5094 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5095 } 5096 if (events->sctp_shutdown_event) { 5097 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5098 } else { 5099 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5100 } 5101 if (events->sctp_partial_delivery_event) { 5102 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5103 } else { 5104 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5105 } 5106 if (events->sctp_adaptation_layer_event) { 5107 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5108 } else { 5109 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5110 } 5111 if (events->sctp_authentication_event) { 5112 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5113 } else { 5114 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5115 } 5116 if (events->sctp_sender_dry_event) { 5117 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5118 } else { 5119 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5120 } 5121 if (events->sctp_stream_reset_event) { 5122 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5123 } else { 5124 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5125 } 5126 SCTP_TCB_UNLOCK(stcb); 5127 } 5128 /* 5129 * Send up the sender dry event only for 1-to-1 5130 * style sockets. 5131 */ 5132 if (events->sctp_sender_dry_event) { 5133 if (((inp->sctp_flags & (SCTP_PCB_FLAGS_TCPTYPE | SCTP_PCB_FLAGS_IN_TCPPOOL)) != 0) && 5134 !SCTP_IS_LISTENING(inp)) { 5135 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5136 if (stcb != NULL) { 5137 SCTP_TCB_LOCK(stcb); 5138 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5139 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5140 (stcb->asoc.stream_queue_cnt == 0)) { 5141 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5142 } 5143 SCTP_TCB_UNLOCK(stcb); 5144 } 5145 } 5146 } 5147 SCTP_INP_WUNLOCK(inp); 5148 break; 5149 } 5150 case SCTP_ADAPTATION_LAYER: 5151 { 5152 struct sctp_setadaptation *adap_bits; 5153 5154 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5155 SCTP_INP_WLOCK(inp); 5156 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5157 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5158 SCTP_INP_WUNLOCK(inp); 5159 break; 5160 } 5161 #ifdef SCTP_DEBUG 5162 case SCTP_SET_INITIAL_DBG_SEQ: 5163 { 5164 uint32_t *vvv; 5165 5166 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5167 SCTP_INP_WLOCK(inp); 5168 inp->sctp_ep.initial_sequence_debug = *vvv; 5169 SCTP_INP_WUNLOCK(inp); 5170 break; 5171 } 5172 #endif 5173 case SCTP_DEFAULT_SEND_PARAM: 5174 { 5175 struct sctp_sndrcvinfo *s_info; 5176 5177 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5178 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5179 5180 if (stcb) { 5181 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5182 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5183 } else { 5184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5185 error = EINVAL; 5186 } 5187 SCTP_TCB_UNLOCK(stcb); 5188 } else { 5189 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5190 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5191 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5192 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5193 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5194 SCTP_INP_WLOCK(inp); 5195 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5196 SCTP_INP_WUNLOCK(inp); 5197 } 5198 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5199 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5200 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5201 SCTP_INP_RLOCK(inp); 5202 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5203 SCTP_TCB_LOCK(stcb); 5204 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5205 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5206 } 5207 SCTP_TCB_UNLOCK(stcb); 5208 } 5209 SCTP_INP_RUNLOCK(inp); 5210 } 5211 } 5212 break; 5213 } 5214 case SCTP_PEER_ADDR_PARAMS: 5215 { 5216 struct sctp_paddrparams *paddrp; 5217 struct sctp_nets *net; 5218 struct sockaddr *addr; 5219 #if defined(INET) && defined(INET6) 5220 struct sockaddr_in sin_store; 5221 #endif 5222 5223 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5224 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5225 5226 #if defined(INET) && defined(INET6) 5227 if (paddrp->spp_address.ss_family == AF_INET6) { 5228 struct sockaddr_in6 *sin6; 5229 5230 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5231 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5232 in6_sin6_2_sin(&sin_store, sin6); 5233 addr = (struct sockaddr *)&sin_store; 5234 } else { 5235 addr = (struct sockaddr *)&paddrp->spp_address; 5236 } 5237 } else { 5238 addr = (struct sockaddr *)&paddrp->spp_address; 5239 } 5240 #else 5241 addr = (struct sockaddr *)&paddrp->spp_address; 5242 #endif 5243 if (stcb != NULL) { 5244 net = sctp_findnet(stcb, addr); 5245 } else { 5246 /* 5247 * We increment here since 5248 * sctp_findassociation_ep_addr() wil do a 5249 * decrement if it finds the stcb as long as 5250 * the locked tcb (last argument) is NOT a 5251 * TCB.. aka NULL. 5252 */ 5253 net = NULL; 5254 SCTP_INP_INCR_REF(inp); 5255 stcb = sctp_findassociation_ep_addr(&inp, addr, 5256 &net, NULL, NULL); 5257 if (stcb == NULL) { 5258 SCTP_INP_DECR_REF(inp); 5259 } 5260 } 5261 if ((stcb != NULL) && (net == NULL)) { 5262 #ifdef INET 5263 if (addr->sa_family == AF_INET) { 5264 struct sockaddr_in *sin; 5265 5266 sin = (struct sockaddr_in *)addr; 5267 if (sin->sin_addr.s_addr != INADDR_ANY) { 5268 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5269 SCTP_TCB_UNLOCK(stcb); 5270 error = EINVAL; 5271 break; 5272 } 5273 } else 5274 #endif 5275 #ifdef INET6 5276 if (addr->sa_family == AF_INET6) { 5277 struct sockaddr_in6 *sin6; 5278 5279 sin6 = (struct sockaddr_in6 *)addr; 5280 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5281 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5282 SCTP_TCB_UNLOCK(stcb); 5283 error = EINVAL; 5284 break; 5285 } 5286 } else 5287 #endif 5288 { 5289 error = EAFNOSUPPORT; 5290 SCTP_TCB_UNLOCK(stcb); 5291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5292 break; 5293 } 5294 } 5295 /* sanity checks */ 5296 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5297 if (stcb) 5298 SCTP_TCB_UNLOCK(stcb); 5299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5300 return (EINVAL); 5301 } 5302 5303 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5304 if (stcb) 5305 SCTP_TCB_UNLOCK(stcb); 5306 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5307 return (EINVAL); 5308 } 5309 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5310 (paddrp->spp_pathmtu > 0) && 5311 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5312 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5313 if (stcb) 5314 SCTP_TCB_UNLOCK(stcb); 5315 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5316 return (EINVAL); 5317 } 5318 5319 if (stcb != NULL) { 5320 /************************TCB SPECIFIC SET ******************/ 5321 if (net != NULL) { 5322 /************************NET SPECIFIC SET ******************/ 5323 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5324 if (((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) && 5325 ((net->dest_state & SCTP_ADDR_NOHB) == 0)) { 5326 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5327 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5328 } 5329 net->dest_state |= SCTP_ADDR_NOHB; 5330 } 5331 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5332 if (paddrp->spp_hbinterval) { 5333 net->heart_beat_delay = paddrp->spp_hbinterval; 5334 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5335 net->heart_beat_delay = 0; 5336 } 5337 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5338 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5339 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5340 net->dest_state &= ~SCTP_ADDR_NOHB; 5341 } 5342 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5343 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5344 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5345 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5346 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5347 } 5348 } 5349 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5350 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5351 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5352 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5353 } 5354 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5355 if (paddrp->spp_pathmtu > 0) { 5356 net->mtu = paddrp->spp_pathmtu; 5357 switch (net->ro._l_addr.sa.sa_family) { 5358 #ifdef INET 5359 case AF_INET: 5360 net->mtu += SCTP_MIN_V4_OVERHEAD; 5361 break; 5362 #endif 5363 #ifdef INET6 5364 case AF_INET6: 5365 net->mtu += SCTP_MIN_OVERHEAD; 5366 break; 5367 #endif 5368 default: 5369 break; 5370 } 5371 if (net->mtu < stcb->asoc.smallest_mtu) { 5372 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5373 } 5374 } 5375 } 5376 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5377 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5378 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5379 } 5380 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5381 } 5382 if (paddrp->spp_pathmaxrxt > 0) { 5383 if (net->dest_state & SCTP_ADDR_PF) { 5384 if (net->error_count > paddrp->spp_pathmaxrxt) { 5385 net->dest_state &= ~SCTP_ADDR_PF; 5386 } 5387 } else { 5388 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5389 (net->error_count > net->pf_threshold)) { 5390 net->dest_state |= SCTP_ADDR_PF; 5391 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5392 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5393 stcb->sctp_ep, stcb, net, 5394 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5395 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5396 } 5397 } 5398 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5399 if (net->error_count > paddrp->spp_pathmaxrxt) { 5400 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5401 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5402 } 5403 } else { 5404 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5405 net->dest_state |= SCTP_ADDR_REACHABLE; 5406 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5407 } 5408 } 5409 net->failure_threshold = paddrp->spp_pathmaxrxt; 5410 } 5411 if (paddrp->spp_flags & SPP_DSCP) { 5412 net->dscp = paddrp->spp_dscp & 0xfc; 5413 net->dscp |= 0x01; 5414 } 5415 #ifdef INET6 5416 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5417 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5418 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5419 net->flowlabel |= 0x80000000; 5420 } 5421 } 5422 #endif 5423 } else { 5424 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5425 if (paddrp->spp_pathmaxrxt > 0) { 5426 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5427 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5428 if (net->dest_state & SCTP_ADDR_PF) { 5429 if (net->error_count > paddrp->spp_pathmaxrxt) { 5430 net->dest_state &= ~SCTP_ADDR_PF; 5431 } 5432 } else { 5433 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5434 (net->error_count > net->pf_threshold)) { 5435 net->dest_state |= SCTP_ADDR_PF; 5436 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5437 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5438 stcb->sctp_ep, stcb, net, 5439 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5440 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5441 } 5442 } 5443 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5444 if (net->error_count > paddrp->spp_pathmaxrxt) { 5445 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5446 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5447 } 5448 } else { 5449 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5450 net->dest_state |= SCTP_ADDR_REACHABLE; 5451 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5452 } 5453 } 5454 net->failure_threshold = paddrp->spp_pathmaxrxt; 5455 } 5456 } 5457 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5458 if (paddrp->spp_hbinterval != 0) { 5459 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5460 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5461 stcb->asoc.heart_beat_delay = 0; 5462 } 5463 /* Turn back on the timer */ 5464 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5465 if (paddrp->spp_hbinterval != 0) { 5466 net->heart_beat_delay = paddrp->spp_hbinterval; 5467 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5468 net->heart_beat_delay = 0; 5469 } 5470 if (net->dest_state & SCTP_ADDR_NOHB) { 5471 net->dest_state &= ~SCTP_ADDR_NOHB; 5472 } 5473 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5474 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5475 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5476 } 5477 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5478 } 5479 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5480 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5481 if ((net->dest_state & SCTP_ADDR_NOHB) == 0) { 5482 net->dest_state |= SCTP_ADDR_NOHB; 5483 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5484 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5485 inp, stcb, net, 5486 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5487 } 5488 } 5489 } 5490 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5491 } 5492 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5493 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5494 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5495 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5496 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5497 } 5498 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5499 if (paddrp->spp_pathmtu > 0) { 5500 net->mtu = paddrp->spp_pathmtu; 5501 switch (net->ro._l_addr.sa.sa_family) { 5502 #ifdef INET 5503 case AF_INET: 5504 net->mtu += SCTP_MIN_V4_OVERHEAD; 5505 break; 5506 #endif 5507 #ifdef INET6 5508 case AF_INET6: 5509 net->mtu += SCTP_MIN_OVERHEAD; 5510 break; 5511 #endif 5512 default: 5513 break; 5514 } 5515 if (net->mtu < stcb->asoc.smallest_mtu) { 5516 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5517 } 5518 } 5519 } 5520 if (paddrp->spp_pathmtu > 0) { 5521 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5522 } 5523 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5524 } 5525 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5526 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5527 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5528 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5529 } 5530 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5531 } 5532 stcb->asoc.default_mtu = 0; 5533 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5534 } 5535 if (paddrp->spp_flags & SPP_DSCP) { 5536 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5537 net->dscp = paddrp->spp_dscp & 0xfc; 5538 net->dscp |= 0x01; 5539 } 5540 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5541 stcb->asoc.default_dscp |= 0x01; 5542 } 5543 #ifdef INET6 5544 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5545 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5546 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5547 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5548 net->flowlabel |= 0x80000000; 5549 } 5550 } 5551 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5552 stcb->asoc.default_flowlabel |= 0x80000000; 5553 } 5554 #endif 5555 } 5556 SCTP_TCB_UNLOCK(stcb); 5557 } else { 5558 /************************NO TCB, SET TO default stuff ******************/ 5559 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5560 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5561 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5562 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5563 SCTP_INP_WLOCK(inp); 5564 /* 5565 * For the TOS/FLOWLABEL stuff you 5566 * set it with the options on the 5567 * socket 5568 */ 5569 if (paddrp->spp_pathmaxrxt > 0) { 5570 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5571 } 5572 5573 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5574 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5575 else if (paddrp->spp_hbinterval != 0) { 5576 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5577 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5578 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5579 } 5580 5581 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5582 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5583 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5584 } else if (paddrp->spp_hbinterval) { 5585 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5586 } 5587 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5588 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5589 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5590 } 5591 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5592 inp->sctp_ep.default_mtu = 0; 5593 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5594 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5595 if (paddrp->spp_pathmtu > 0) { 5596 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5597 } 5598 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5599 } 5600 if (paddrp->spp_flags & SPP_DSCP) { 5601 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5602 inp->sctp_ep.default_dscp |= 0x01; 5603 } 5604 #ifdef INET6 5605 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5606 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5607 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5608 inp->sctp_ep.default_flowlabel |= 0x80000000; 5609 } 5610 } 5611 #endif 5612 SCTP_INP_WUNLOCK(inp); 5613 } else { 5614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5615 error = EINVAL; 5616 } 5617 } 5618 break; 5619 } 5620 case SCTP_RTOINFO: 5621 { 5622 struct sctp_rtoinfo *srto; 5623 uint32_t new_init, new_min, new_max; 5624 5625 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5626 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5627 5628 if (stcb) { 5629 if (srto->srto_initial) 5630 new_init = srto->srto_initial; 5631 else 5632 new_init = stcb->asoc.initial_rto; 5633 if (srto->srto_max) 5634 new_max = srto->srto_max; 5635 else 5636 new_max = stcb->asoc.maxrto; 5637 if (srto->srto_min) 5638 new_min = srto->srto_min; 5639 else 5640 new_min = stcb->asoc.minrto; 5641 if ((new_min <= new_init) && (new_init <= new_max)) { 5642 stcb->asoc.initial_rto = new_init; 5643 stcb->asoc.maxrto = new_max; 5644 stcb->asoc.minrto = new_min; 5645 } else { 5646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5647 error = EINVAL; 5648 } 5649 SCTP_TCB_UNLOCK(stcb); 5650 } else { 5651 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5652 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5653 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5654 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5655 SCTP_INP_WLOCK(inp); 5656 if (srto->srto_initial) 5657 new_init = srto->srto_initial; 5658 else 5659 new_init = inp->sctp_ep.initial_rto; 5660 if (srto->srto_max) 5661 new_max = srto->srto_max; 5662 else 5663 new_max = inp->sctp_ep.sctp_maxrto; 5664 if (srto->srto_min) 5665 new_min = srto->srto_min; 5666 else 5667 new_min = inp->sctp_ep.sctp_minrto; 5668 if ((new_min <= new_init) && (new_init <= new_max)) { 5669 inp->sctp_ep.initial_rto = new_init; 5670 inp->sctp_ep.sctp_maxrto = new_max; 5671 inp->sctp_ep.sctp_minrto = new_min; 5672 } else { 5673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5674 error = EINVAL; 5675 } 5676 SCTP_INP_WUNLOCK(inp); 5677 } else { 5678 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5679 error = EINVAL; 5680 } 5681 } 5682 break; 5683 } 5684 case SCTP_ASSOCINFO: 5685 { 5686 struct sctp_assocparams *sasoc; 5687 5688 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5689 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5690 if (sasoc->sasoc_cookie_life > 0) { 5691 /* boundary check the cookie life */ 5692 if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) { 5693 sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE; 5694 } 5695 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5696 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5697 } 5698 } 5699 if (stcb) { 5700 if (sasoc->sasoc_asocmaxrxt > 0) { 5701 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5702 } 5703 if (sasoc->sasoc_cookie_life > 0) { 5704 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5705 } 5706 SCTP_TCB_UNLOCK(stcb); 5707 } else { 5708 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5709 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5710 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5711 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5712 SCTP_INP_WLOCK(inp); 5713 if (sasoc->sasoc_asocmaxrxt > 0) { 5714 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5715 } 5716 if (sasoc->sasoc_cookie_life > 0) { 5717 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5718 } 5719 SCTP_INP_WUNLOCK(inp); 5720 } else { 5721 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5722 error = EINVAL; 5723 } 5724 } 5725 break; 5726 } 5727 case SCTP_INITMSG: 5728 { 5729 struct sctp_initmsg *sinit; 5730 5731 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5732 SCTP_INP_WLOCK(inp); 5733 if (sinit->sinit_num_ostreams) 5734 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5735 5736 if (sinit->sinit_max_instreams) 5737 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5738 5739 if (sinit->sinit_max_attempts) 5740 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5741 5742 if (sinit->sinit_max_init_timeo) 5743 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5744 SCTP_INP_WUNLOCK(inp); 5745 break; 5746 } 5747 case SCTP_PRIMARY_ADDR: 5748 { 5749 struct sctp_setprim *spa; 5750 struct sctp_nets *net; 5751 struct sockaddr *addr; 5752 #if defined(INET) && defined(INET6) 5753 struct sockaddr_in sin_store; 5754 #endif 5755 5756 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5757 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5758 5759 #if defined(INET) && defined(INET6) 5760 if (spa->ssp_addr.ss_family == AF_INET6) { 5761 struct sockaddr_in6 *sin6; 5762 5763 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5764 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5765 in6_sin6_2_sin(&sin_store, sin6); 5766 addr = (struct sockaddr *)&sin_store; 5767 } else { 5768 addr = (struct sockaddr *)&spa->ssp_addr; 5769 } 5770 } else { 5771 addr = (struct sockaddr *)&spa->ssp_addr; 5772 } 5773 #else 5774 addr = (struct sockaddr *)&spa->ssp_addr; 5775 #endif 5776 if (stcb != NULL) { 5777 net = sctp_findnet(stcb, addr); 5778 } else { 5779 /* 5780 * We increment here since 5781 * sctp_findassociation_ep_addr() wil do a 5782 * decrement if it finds the stcb as long as 5783 * the locked tcb (last argument) is NOT a 5784 * TCB.. aka NULL. 5785 */ 5786 net = NULL; 5787 SCTP_INP_INCR_REF(inp); 5788 stcb = sctp_findassociation_ep_addr(&inp, addr, 5789 &net, NULL, NULL); 5790 if (stcb == NULL) { 5791 SCTP_INP_DECR_REF(inp); 5792 } 5793 } 5794 5795 if ((stcb != NULL) && (net != NULL)) { 5796 if (net != stcb->asoc.primary_destination) { 5797 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5798 /* Ok we need to set it */ 5799 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5800 if ((stcb->asoc.alternate) && 5801 ((net->dest_state & SCTP_ADDR_PF) == 0) && 5802 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5803 sctp_free_remote_addr(stcb->asoc.alternate); 5804 stcb->asoc.alternate = NULL; 5805 } 5806 } else { 5807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5808 error = EINVAL; 5809 } 5810 } else { 5811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5812 error = EINVAL; 5813 } 5814 } 5815 } else { 5816 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5817 error = EINVAL; 5818 } 5819 if (stcb != NULL) { 5820 SCTP_TCB_UNLOCK(stcb); 5821 } 5822 break; 5823 } 5824 case SCTP_SET_DYNAMIC_PRIMARY: 5825 { 5826 union sctp_sockstore *ss; 5827 5828 error = priv_check(curthread, 5829 PRIV_NETINET_RESERVEDPORT); 5830 if (error) 5831 break; 5832 5833 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5834 /* SUPER USER CHECK? */ 5835 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5836 break; 5837 } 5838 case SCTP_SET_PEER_PRIMARY_ADDR: 5839 { 5840 struct sctp_setpeerprim *sspp; 5841 struct sockaddr *addr; 5842 #if defined(INET) && defined(INET6) 5843 struct sockaddr_in sin_store; 5844 #endif 5845 5846 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5847 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5848 if (stcb != NULL) { 5849 struct sctp_ifa *ifa; 5850 5851 #if defined(INET) && defined(INET6) 5852 if (sspp->sspp_addr.ss_family == AF_INET6) { 5853 struct sockaddr_in6 *sin6; 5854 5855 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5856 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5857 in6_sin6_2_sin(&sin_store, sin6); 5858 addr = (struct sockaddr *)&sin_store; 5859 } else { 5860 addr = (struct sockaddr *)&sspp->sspp_addr; 5861 } 5862 } else { 5863 addr = (struct sockaddr *)&sspp->sspp_addr; 5864 } 5865 #else 5866 addr = (struct sockaddr *)&sspp->sspp_addr; 5867 #endif 5868 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5869 if (ifa == NULL) { 5870 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5871 error = EINVAL; 5872 goto out_of_it; 5873 } 5874 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5875 /* 5876 * Must validate the ifa found is in 5877 * our ep 5878 */ 5879 struct sctp_laddr *laddr; 5880 int found = 0; 5881 5882 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5883 if (laddr->ifa == NULL) { 5884 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5885 __func__); 5886 continue; 5887 } 5888 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5889 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5890 continue; 5891 } 5892 if (laddr->ifa == ifa) { 5893 found = 1; 5894 break; 5895 } 5896 } 5897 if (!found) { 5898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5899 error = EINVAL; 5900 goto out_of_it; 5901 } 5902 } else { 5903 switch (addr->sa_family) { 5904 #ifdef INET 5905 case AF_INET: 5906 { 5907 struct sockaddr_in *sin; 5908 5909 sin = (struct sockaddr_in *)addr; 5910 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5911 &sin->sin_addr) != 0) { 5912 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5913 error = EINVAL; 5914 goto out_of_it; 5915 } 5916 break; 5917 } 5918 #endif 5919 #ifdef INET6 5920 case AF_INET6: 5921 { 5922 struct sockaddr_in6 *sin6; 5923 5924 sin6 = (struct sockaddr_in6 *)addr; 5925 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5926 &sin6->sin6_addr) != 0) { 5927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5928 error = EINVAL; 5929 goto out_of_it; 5930 } 5931 break; 5932 } 5933 #endif 5934 default: 5935 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5936 error = EINVAL; 5937 goto out_of_it; 5938 } 5939 } 5940 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5942 error = EINVAL; 5943 } 5944 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5945 out_of_it: 5946 SCTP_TCB_UNLOCK(stcb); 5947 } else { 5948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5949 error = EINVAL; 5950 } 5951 break; 5952 } 5953 case SCTP_BINDX_ADD_ADDR: 5954 { 5955 struct sockaddr *sa; 5956 struct thread *td; 5957 5958 td = (struct thread *)p; 5959 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5960 #ifdef INET 5961 if (sa->sa_family == AF_INET) { 5962 if (optsize < sizeof(struct sockaddr_in)) { 5963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5964 error = EINVAL; 5965 break; 5966 } 5967 if (td != NULL && 5968 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5969 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5970 break; 5971 } 5972 } else 5973 #endif 5974 #ifdef INET6 5975 if (sa->sa_family == AF_INET6) { 5976 if (optsize < sizeof(struct sockaddr_in6)) { 5977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5978 error = EINVAL; 5979 break; 5980 } 5981 if (td != NULL && 5982 (error = prison_local_ip6(td->td_ucred, 5983 &(((struct sockaddr_in6 *)sa)->sin6_addr), 5984 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5985 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5986 break; 5987 } 5988 } else 5989 #endif 5990 { 5991 error = EAFNOSUPPORT; 5992 break; 5993 } 5994 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 5995 break; 5996 } 5997 case SCTP_BINDX_REM_ADDR: 5998 { 5999 struct sockaddr *sa; 6000 struct thread *td; 6001 6002 td = (struct thread *)p; 6003 6004 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 6005 #ifdef INET 6006 if (sa->sa_family == AF_INET) { 6007 if (optsize < sizeof(struct sockaddr_in)) { 6008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6009 error = EINVAL; 6010 break; 6011 } 6012 if (td != NULL && 6013 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6014 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6015 break; 6016 } 6017 } else 6018 #endif 6019 #ifdef INET6 6020 if (sa->sa_family == AF_INET6) { 6021 if (optsize < sizeof(struct sockaddr_in6)) { 6022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6023 error = EINVAL; 6024 break; 6025 } 6026 if (td != NULL && 6027 (error = prison_local_ip6(td->td_ucred, 6028 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6029 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6030 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6031 break; 6032 } 6033 } else 6034 #endif 6035 { 6036 error = EAFNOSUPPORT; 6037 break; 6038 } 6039 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6040 break; 6041 } 6042 case SCTP_EVENT: 6043 { 6044 struct sctp_event *event; 6045 uint32_t event_type; 6046 6047 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6048 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6049 switch (event->se_type) { 6050 case SCTP_ASSOC_CHANGE: 6051 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6052 break; 6053 case SCTP_PEER_ADDR_CHANGE: 6054 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6055 break; 6056 case SCTP_REMOTE_ERROR: 6057 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6058 break; 6059 case SCTP_SEND_FAILED: 6060 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6061 break; 6062 case SCTP_SHUTDOWN_EVENT: 6063 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6064 break; 6065 case SCTP_ADAPTATION_INDICATION: 6066 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6067 break; 6068 case SCTP_PARTIAL_DELIVERY_EVENT: 6069 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6070 break; 6071 case SCTP_AUTHENTICATION_EVENT: 6072 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6073 break; 6074 case SCTP_STREAM_RESET_EVENT: 6075 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6076 break; 6077 case SCTP_SENDER_DRY_EVENT: 6078 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6079 break; 6080 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6081 event_type = 0; 6082 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6083 error = ENOTSUP; 6084 break; 6085 case SCTP_ASSOC_RESET_EVENT: 6086 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6087 break; 6088 case SCTP_STREAM_CHANGE_EVENT: 6089 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6090 break; 6091 case SCTP_SEND_FAILED_EVENT: 6092 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6093 break; 6094 default: 6095 event_type = 0; 6096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6097 error = EINVAL; 6098 break; 6099 } 6100 if (event_type > 0) { 6101 if (stcb) { 6102 if (event->se_on) { 6103 sctp_stcb_feature_on(inp, stcb, event_type); 6104 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6105 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6106 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6107 (stcb->asoc.stream_queue_cnt == 0)) { 6108 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6109 } 6110 } 6111 } else { 6112 sctp_stcb_feature_off(inp, stcb, event_type); 6113 } 6114 SCTP_TCB_UNLOCK(stcb); 6115 } else { 6116 /* 6117 * We don't want to send up a storm 6118 * of events, so return an error for 6119 * sender dry events 6120 */ 6121 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6122 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6123 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6124 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6125 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6126 error = ENOTSUP; 6127 break; 6128 } 6129 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6130 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6131 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6132 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6133 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6134 SCTP_INP_WLOCK(inp); 6135 if (event->se_on) { 6136 sctp_feature_on(inp, event_type); 6137 } else { 6138 sctp_feature_off(inp, event_type); 6139 } 6140 SCTP_INP_WUNLOCK(inp); 6141 } 6142 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6143 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6144 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6145 SCTP_INP_RLOCK(inp); 6146 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6147 SCTP_TCB_LOCK(stcb); 6148 if (event->se_on) { 6149 sctp_stcb_feature_on(inp, stcb, event_type); 6150 } else { 6151 sctp_stcb_feature_off(inp, stcb, event_type); 6152 } 6153 SCTP_TCB_UNLOCK(stcb); 6154 } 6155 SCTP_INP_RUNLOCK(inp); 6156 } 6157 } 6158 } else { 6159 if (stcb) { 6160 SCTP_TCB_UNLOCK(stcb); 6161 } 6162 } 6163 break; 6164 } 6165 case SCTP_RECVRCVINFO: 6166 { 6167 int *onoff; 6168 6169 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6170 SCTP_INP_WLOCK(inp); 6171 if (*onoff != 0) { 6172 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6173 } else { 6174 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6175 } 6176 SCTP_INP_WUNLOCK(inp); 6177 break; 6178 } 6179 case SCTP_RECVNXTINFO: 6180 { 6181 int *onoff; 6182 6183 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6184 SCTP_INP_WLOCK(inp); 6185 if (*onoff != 0) { 6186 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6187 } else { 6188 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6189 } 6190 SCTP_INP_WUNLOCK(inp); 6191 break; 6192 } 6193 case SCTP_DEFAULT_SNDINFO: 6194 { 6195 struct sctp_sndinfo *info; 6196 uint16_t policy; 6197 6198 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6199 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6200 6201 if (stcb) { 6202 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6203 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6204 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6205 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6206 stcb->asoc.def_send.sinfo_flags |= policy; 6207 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6208 stcb->asoc.def_send.sinfo_context = info->snd_context; 6209 } else { 6210 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6211 error = EINVAL; 6212 } 6213 SCTP_TCB_UNLOCK(stcb); 6214 } else { 6215 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6216 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6217 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6218 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6219 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6220 SCTP_INP_WLOCK(inp); 6221 inp->def_send.sinfo_stream = info->snd_sid; 6222 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6223 inp->def_send.sinfo_flags = info->snd_flags; 6224 inp->def_send.sinfo_flags |= policy; 6225 inp->def_send.sinfo_ppid = info->snd_ppid; 6226 inp->def_send.sinfo_context = info->snd_context; 6227 SCTP_INP_WUNLOCK(inp); 6228 } 6229 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6230 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6231 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6232 SCTP_INP_RLOCK(inp); 6233 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6234 SCTP_TCB_LOCK(stcb); 6235 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6236 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6237 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6238 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6239 stcb->asoc.def_send.sinfo_flags |= policy; 6240 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6241 stcb->asoc.def_send.sinfo_context = info->snd_context; 6242 } 6243 SCTP_TCB_UNLOCK(stcb); 6244 } 6245 SCTP_INP_RUNLOCK(inp); 6246 } 6247 } 6248 break; 6249 } 6250 case SCTP_DEFAULT_PRINFO: 6251 { 6252 struct sctp_default_prinfo *info; 6253 6254 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6255 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6256 6257 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6258 if (stcb) { 6259 SCTP_TCB_UNLOCK(stcb); 6260 } 6261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6262 error = EINVAL; 6263 break; 6264 } 6265 if (stcb) { 6266 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6267 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6268 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6269 SCTP_TCB_UNLOCK(stcb); 6270 } else { 6271 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6272 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6273 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6274 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6275 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6276 SCTP_INP_WLOCK(inp); 6277 inp->def_send.sinfo_flags &= 0xfff0; 6278 inp->def_send.sinfo_flags |= info->pr_policy; 6279 inp->def_send.sinfo_timetolive = info->pr_value; 6280 SCTP_INP_WUNLOCK(inp); 6281 } 6282 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6283 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6284 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6285 SCTP_INP_RLOCK(inp); 6286 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6287 SCTP_TCB_LOCK(stcb); 6288 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6289 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6290 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6291 SCTP_TCB_UNLOCK(stcb); 6292 } 6293 SCTP_INP_RUNLOCK(inp); 6294 } 6295 } 6296 break; 6297 } 6298 case SCTP_PEER_ADDR_THLDS: 6299 /* Applies to the specific association */ 6300 { 6301 struct sctp_paddrthlds *thlds; 6302 struct sctp_nets *net; 6303 struct sockaddr *addr; 6304 #if defined(INET) && defined(INET6) 6305 struct sockaddr_in sin_store; 6306 #endif 6307 6308 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6309 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6310 6311 #if defined(INET) && defined(INET6) 6312 if (thlds->spt_address.ss_family == AF_INET6) { 6313 struct sockaddr_in6 *sin6; 6314 6315 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6316 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6317 in6_sin6_2_sin(&sin_store, sin6); 6318 addr = (struct sockaddr *)&sin_store; 6319 } else { 6320 addr = (struct sockaddr *)&thlds->spt_address; 6321 } 6322 } else { 6323 addr = (struct sockaddr *)&thlds->spt_address; 6324 } 6325 #else 6326 addr = (struct sockaddr *)&thlds->spt_address; 6327 #endif 6328 if (stcb != NULL) { 6329 net = sctp_findnet(stcb, addr); 6330 } else { 6331 /* 6332 * We increment here since 6333 * sctp_findassociation_ep_addr() wil do a 6334 * decrement if it finds the stcb as long as 6335 * the locked tcb (last argument) is NOT a 6336 * TCB.. aka NULL. 6337 */ 6338 net = NULL; 6339 SCTP_INP_INCR_REF(inp); 6340 stcb = sctp_findassociation_ep_addr(&inp, addr, 6341 &net, NULL, NULL); 6342 if (stcb == NULL) { 6343 SCTP_INP_DECR_REF(inp); 6344 } 6345 } 6346 if ((stcb != NULL) && (net == NULL)) { 6347 #ifdef INET 6348 if (addr->sa_family == AF_INET) { 6349 struct sockaddr_in *sin; 6350 6351 sin = (struct sockaddr_in *)addr; 6352 if (sin->sin_addr.s_addr != INADDR_ANY) { 6353 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6354 SCTP_TCB_UNLOCK(stcb); 6355 error = EINVAL; 6356 break; 6357 } 6358 } else 6359 #endif 6360 #ifdef INET6 6361 if (addr->sa_family == AF_INET6) { 6362 struct sockaddr_in6 *sin6; 6363 6364 sin6 = (struct sockaddr_in6 *)addr; 6365 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6367 SCTP_TCB_UNLOCK(stcb); 6368 error = EINVAL; 6369 break; 6370 } 6371 } else 6372 #endif 6373 { 6374 error = EAFNOSUPPORT; 6375 SCTP_TCB_UNLOCK(stcb); 6376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6377 break; 6378 } 6379 } 6380 if (thlds->spt_pathcpthld != 0xffff) { 6381 if (stcb != NULL) { 6382 SCTP_TCB_UNLOCK(stcb); 6383 } 6384 error = EINVAL; 6385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6386 break; 6387 } 6388 if (stcb != NULL) { 6389 if (net != NULL) { 6390 net->failure_threshold = thlds->spt_pathmaxrxt; 6391 net->pf_threshold = thlds->spt_pathpfthld; 6392 if (net->dest_state & SCTP_ADDR_PF) { 6393 if ((net->error_count > net->failure_threshold) || 6394 (net->error_count <= net->pf_threshold)) { 6395 net->dest_state &= ~SCTP_ADDR_PF; 6396 } 6397 } else { 6398 if ((net->error_count > net->pf_threshold) && 6399 (net->error_count <= net->failure_threshold)) { 6400 net->dest_state |= SCTP_ADDR_PF; 6401 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6402 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6403 stcb->sctp_ep, stcb, net, 6404 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6405 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6406 } 6407 } 6408 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6409 if (net->error_count > net->failure_threshold) { 6410 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6411 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6412 } 6413 } else { 6414 if (net->error_count <= net->failure_threshold) { 6415 net->dest_state |= SCTP_ADDR_REACHABLE; 6416 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6417 } 6418 } 6419 } else { 6420 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6421 net->failure_threshold = thlds->spt_pathmaxrxt; 6422 net->pf_threshold = thlds->spt_pathpfthld; 6423 if (net->dest_state & SCTP_ADDR_PF) { 6424 if ((net->error_count > net->failure_threshold) || 6425 (net->error_count <= net->pf_threshold)) { 6426 net->dest_state &= ~SCTP_ADDR_PF; 6427 } 6428 } else { 6429 if ((net->error_count > net->pf_threshold) && 6430 (net->error_count <= net->failure_threshold)) { 6431 net->dest_state |= SCTP_ADDR_PF; 6432 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6433 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6434 stcb->sctp_ep, stcb, net, 6435 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6436 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6437 } 6438 } 6439 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6440 if (net->error_count > net->failure_threshold) { 6441 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6442 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6443 } 6444 } else { 6445 if (net->error_count <= net->failure_threshold) { 6446 net->dest_state |= SCTP_ADDR_REACHABLE; 6447 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6448 } 6449 } 6450 } 6451 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6452 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6453 } 6454 SCTP_TCB_UNLOCK(stcb); 6455 } else { 6456 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6457 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6458 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6459 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6460 SCTP_INP_WLOCK(inp); 6461 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6462 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6463 SCTP_INP_WUNLOCK(inp); 6464 } else { 6465 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6466 error = EINVAL; 6467 } 6468 } 6469 break; 6470 } 6471 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6472 { 6473 struct sctp_udpencaps *encaps; 6474 struct sctp_nets *net; 6475 struct sockaddr *addr; 6476 #if defined(INET) && defined(INET6) 6477 struct sockaddr_in sin_store; 6478 #endif 6479 6480 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6481 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6482 6483 #if defined(INET) && defined(INET6) 6484 if (encaps->sue_address.ss_family == AF_INET6) { 6485 struct sockaddr_in6 *sin6; 6486 6487 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6488 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6489 in6_sin6_2_sin(&sin_store, sin6); 6490 addr = (struct sockaddr *)&sin_store; 6491 } else { 6492 addr = (struct sockaddr *)&encaps->sue_address; 6493 } 6494 } else { 6495 addr = (struct sockaddr *)&encaps->sue_address; 6496 } 6497 #else 6498 addr = (struct sockaddr *)&encaps->sue_address; 6499 #endif 6500 if (stcb != NULL) { 6501 net = sctp_findnet(stcb, addr); 6502 } else { 6503 /* 6504 * We increment here since 6505 * sctp_findassociation_ep_addr() wil do a 6506 * decrement if it finds the stcb as long as 6507 * the locked tcb (last argument) is NOT a 6508 * TCB.. aka NULL. 6509 */ 6510 net = NULL; 6511 SCTP_INP_INCR_REF(inp); 6512 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6513 if (stcb == NULL) { 6514 SCTP_INP_DECR_REF(inp); 6515 } 6516 } 6517 if ((stcb != NULL) && (net == NULL)) { 6518 #ifdef INET 6519 if (addr->sa_family == AF_INET) { 6520 struct sockaddr_in *sin; 6521 6522 sin = (struct sockaddr_in *)addr; 6523 if (sin->sin_addr.s_addr != INADDR_ANY) { 6524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6525 SCTP_TCB_UNLOCK(stcb); 6526 error = EINVAL; 6527 break; 6528 } 6529 } else 6530 #endif 6531 #ifdef INET6 6532 if (addr->sa_family == AF_INET6) { 6533 struct sockaddr_in6 *sin6; 6534 6535 sin6 = (struct sockaddr_in6 *)addr; 6536 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6537 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6538 SCTP_TCB_UNLOCK(stcb); 6539 error = EINVAL; 6540 break; 6541 } 6542 } else 6543 #endif 6544 { 6545 error = EAFNOSUPPORT; 6546 SCTP_TCB_UNLOCK(stcb); 6547 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6548 break; 6549 } 6550 } 6551 6552 if (stcb != NULL) { 6553 if (net != NULL) { 6554 net->port = encaps->sue_port; 6555 } else { 6556 stcb->asoc.port = encaps->sue_port; 6557 } 6558 SCTP_TCB_UNLOCK(stcb); 6559 } else { 6560 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6561 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6562 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6563 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6564 SCTP_INP_WLOCK(inp); 6565 inp->sctp_ep.port = encaps->sue_port; 6566 SCTP_INP_WUNLOCK(inp); 6567 } else { 6568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6569 error = EINVAL; 6570 } 6571 } 6572 break; 6573 } 6574 case SCTP_ECN_SUPPORTED: 6575 { 6576 struct sctp_assoc_value *av; 6577 6578 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6579 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6580 6581 if (stcb) { 6582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6583 error = EINVAL; 6584 SCTP_TCB_UNLOCK(stcb); 6585 } else { 6586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6588 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6589 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6590 SCTP_INP_WLOCK(inp); 6591 if (av->assoc_value == 0) { 6592 inp->ecn_supported = 0; 6593 } else { 6594 inp->ecn_supported = 1; 6595 } 6596 SCTP_INP_WUNLOCK(inp); 6597 } else { 6598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6599 error = EINVAL; 6600 } 6601 } 6602 break; 6603 } 6604 case SCTP_PR_SUPPORTED: 6605 { 6606 struct sctp_assoc_value *av; 6607 6608 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6609 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6610 6611 if (stcb) { 6612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6613 error = EINVAL; 6614 SCTP_TCB_UNLOCK(stcb); 6615 } else { 6616 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6617 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6618 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6619 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6620 SCTP_INP_WLOCK(inp); 6621 if (av->assoc_value == 0) { 6622 inp->prsctp_supported = 0; 6623 } else { 6624 inp->prsctp_supported = 1; 6625 } 6626 SCTP_INP_WUNLOCK(inp); 6627 } else { 6628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6629 error = EINVAL; 6630 } 6631 } 6632 break; 6633 } 6634 case SCTP_AUTH_SUPPORTED: 6635 { 6636 struct sctp_assoc_value *av; 6637 6638 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6639 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6640 6641 if (stcb) { 6642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6643 error = EINVAL; 6644 SCTP_TCB_UNLOCK(stcb); 6645 } else { 6646 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6647 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6648 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6649 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6650 if ((av->assoc_value == 0) && 6651 (inp->asconf_supported == 1)) { 6652 /* 6653 * AUTH is required for 6654 * ASCONF 6655 */ 6656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6657 error = EINVAL; 6658 } else { 6659 SCTP_INP_WLOCK(inp); 6660 if (av->assoc_value == 0) { 6661 inp->auth_supported = 0; 6662 } else { 6663 inp->auth_supported = 1; 6664 } 6665 SCTP_INP_WUNLOCK(inp); 6666 } 6667 } else { 6668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6669 error = EINVAL; 6670 } 6671 } 6672 break; 6673 } 6674 case SCTP_ASCONF_SUPPORTED: 6675 { 6676 struct sctp_assoc_value *av; 6677 6678 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6679 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6680 6681 if (stcb) { 6682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6683 error = EINVAL; 6684 SCTP_TCB_UNLOCK(stcb); 6685 } else { 6686 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6687 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6688 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6689 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6690 if ((av->assoc_value != 0) && 6691 (inp->auth_supported == 0)) { 6692 /* 6693 * AUTH is required for 6694 * ASCONF 6695 */ 6696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6697 error = EINVAL; 6698 } else { 6699 SCTP_INP_WLOCK(inp); 6700 if (av->assoc_value == 0) { 6701 inp->asconf_supported = 0; 6702 sctp_auth_delete_chunk(SCTP_ASCONF, 6703 inp->sctp_ep.local_auth_chunks); 6704 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6705 inp->sctp_ep.local_auth_chunks); 6706 } else { 6707 inp->asconf_supported = 1; 6708 sctp_auth_add_chunk(SCTP_ASCONF, 6709 inp->sctp_ep.local_auth_chunks); 6710 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6711 inp->sctp_ep.local_auth_chunks); 6712 } 6713 SCTP_INP_WUNLOCK(inp); 6714 } 6715 } else { 6716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6717 error = EINVAL; 6718 } 6719 } 6720 break; 6721 } 6722 case SCTP_RECONFIG_SUPPORTED: 6723 { 6724 struct sctp_assoc_value *av; 6725 6726 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6727 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6728 6729 if (stcb) { 6730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6731 error = EINVAL; 6732 SCTP_TCB_UNLOCK(stcb); 6733 } else { 6734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6735 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6736 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6737 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6738 SCTP_INP_WLOCK(inp); 6739 if (av->assoc_value == 0) { 6740 inp->reconfig_supported = 0; 6741 } else { 6742 inp->reconfig_supported = 1; 6743 } 6744 SCTP_INP_WUNLOCK(inp); 6745 } else { 6746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6747 error = EINVAL; 6748 } 6749 } 6750 break; 6751 } 6752 case SCTP_NRSACK_SUPPORTED: 6753 { 6754 struct sctp_assoc_value *av; 6755 6756 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6757 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6758 6759 if (stcb) { 6760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6761 error = EINVAL; 6762 SCTP_TCB_UNLOCK(stcb); 6763 } else { 6764 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6765 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6766 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6767 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6768 SCTP_INP_WLOCK(inp); 6769 if (av->assoc_value == 0) { 6770 inp->nrsack_supported = 0; 6771 } else { 6772 inp->nrsack_supported = 1; 6773 } 6774 SCTP_INP_WUNLOCK(inp); 6775 } else { 6776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6777 error = EINVAL; 6778 } 6779 } 6780 break; 6781 } 6782 case SCTP_PKTDROP_SUPPORTED: 6783 { 6784 struct sctp_assoc_value *av; 6785 6786 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6787 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6788 6789 if (stcb) { 6790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6791 error = EINVAL; 6792 SCTP_TCB_UNLOCK(stcb); 6793 } else { 6794 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6795 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6796 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6797 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6798 SCTP_INP_WLOCK(inp); 6799 if (av->assoc_value == 0) { 6800 inp->pktdrop_supported = 0; 6801 } else { 6802 inp->pktdrop_supported = 1; 6803 } 6804 SCTP_INP_WUNLOCK(inp); 6805 } else { 6806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6807 error = EINVAL; 6808 } 6809 } 6810 break; 6811 } 6812 case SCTP_MAX_CWND: 6813 { 6814 struct sctp_assoc_value *av; 6815 struct sctp_nets *net; 6816 6817 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6818 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6819 6820 if (stcb) { 6821 stcb->asoc.max_cwnd = av->assoc_value; 6822 if (stcb->asoc.max_cwnd > 0) { 6823 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6824 if ((net->cwnd > stcb->asoc.max_cwnd) && 6825 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6826 net->cwnd = stcb->asoc.max_cwnd; 6827 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6828 net->cwnd = net->mtu - sizeof(struct sctphdr); 6829 } 6830 } 6831 } 6832 } 6833 SCTP_TCB_UNLOCK(stcb); 6834 } else { 6835 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6836 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6837 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6838 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6839 SCTP_INP_WLOCK(inp); 6840 inp->max_cwnd = av->assoc_value; 6841 SCTP_INP_WUNLOCK(inp); 6842 } else { 6843 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6844 error = EINVAL; 6845 } 6846 } 6847 break; 6848 } 6849 default: 6850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6851 error = ENOPROTOOPT; 6852 break; 6853 } /* end switch (opt) */ 6854 return (error); 6855 } 6856 6857 int 6858 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6859 { 6860 struct epoch_tracker et; 6861 struct sctp_inpcb *inp; 6862 void *optval = NULL; 6863 void *p; 6864 size_t optsize = 0; 6865 int error = 0; 6866 6867 if ((sopt->sopt_level == SOL_SOCKET) && 6868 (sopt->sopt_name == SO_SETFIB)) { 6869 inp = (struct sctp_inpcb *)so->so_pcb; 6870 if (inp == NULL) { 6871 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6872 return (EINVAL); 6873 } 6874 SCTP_INP_WLOCK(inp); 6875 inp->fibnum = so->so_fibnum; 6876 SCTP_INP_WUNLOCK(inp); 6877 return (0); 6878 } 6879 if (sopt->sopt_level != IPPROTO_SCTP) { 6880 /* wrong proto level... send back up to IP */ 6881 #ifdef INET6 6882 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6883 error = ip6_ctloutput(so, sopt); 6884 #endif /* INET6 */ 6885 #if defined(INET) && defined(INET6) 6886 else 6887 #endif 6888 #ifdef INET 6889 error = ip_ctloutput(so, sopt); 6890 #endif 6891 return (error); 6892 } 6893 optsize = sopt->sopt_valsize; 6894 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6895 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6896 return (ENOBUFS); 6897 } 6898 if (optsize) { 6899 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6900 if (optval == NULL) { 6901 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6902 return (ENOBUFS); 6903 } 6904 error = sooptcopyin(sopt, optval, optsize, optsize); 6905 if (error) { 6906 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6907 goto out; 6908 } 6909 } 6910 p = (void *)sopt->sopt_td; 6911 if (sopt->sopt_dir == SOPT_SET) { 6912 NET_EPOCH_ENTER(et); 6913 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6914 NET_EPOCH_EXIT(et); 6915 } else if (sopt->sopt_dir == SOPT_GET) { 6916 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6917 } else { 6918 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6919 error = EINVAL; 6920 } 6921 if ((error == 0) && (optval != NULL)) { 6922 error = sooptcopyout(sopt, optval, optsize); 6923 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6924 } else if (optval != NULL) { 6925 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6926 } 6927 out: 6928 return (error); 6929 } 6930 6931 #ifdef INET 6932 static int 6933 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6934 { 6935 struct epoch_tracker et; 6936 int error = 0; 6937 int create_lock_on = 0; 6938 uint32_t vrf_id; 6939 struct sctp_inpcb *inp; 6940 struct sctp_tcb *stcb = NULL; 6941 6942 inp = (struct sctp_inpcb *)so->so_pcb; 6943 if (inp == NULL) { 6944 /* I made the same as TCP since we are not setup? */ 6945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6946 return (ECONNRESET); 6947 } 6948 if (addr == NULL) { 6949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6950 return EINVAL; 6951 } 6952 6953 switch (addr->sa_family) { 6954 #ifdef INET6 6955 case AF_INET6: 6956 { 6957 struct sockaddr_in6 *sin6; 6958 6959 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6961 return (EINVAL); 6962 } 6963 sin6 = (struct sockaddr_in6 *)addr; 6964 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 6965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6966 return (error); 6967 } 6968 break; 6969 } 6970 #endif 6971 #ifdef INET 6972 case AF_INET: 6973 { 6974 struct sockaddr_in *sin; 6975 6976 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6978 return (EINVAL); 6979 } 6980 sin = (struct sockaddr_in *)addr; 6981 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 6982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6983 return (error); 6984 } 6985 break; 6986 } 6987 #endif 6988 default: 6989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6990 return (EAFNOSUPPORT); 6991 } 6992 SCTP_INP_INCR_REF(inp); 6993 SCTP_ASOC_CREATE_LOCK(inp); 6994 create_lock_on = 1; 6995 NET_EPOCH_ENTER(et); 6996 6997 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6998 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6999 /* Should I really unlock ? */ 7000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 7001 error = EFAULT; 7002 goto out_now; 7003 } 7004 #ifdef INET6 7005 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 7006 (addr->sa_family == AF_INET6)) { 7007 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7008 error = EINVAL; 7009 goto out_now; 7010 } 7011 #endif 7012 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7013 /* Bind a ephemeral port */ 7014 error = sctp_inpcb_bind(so, NULL, NULL, p); 7015 if (error) { 7016 goto out_now; 7017 } 7018 } 7019 /* Now do we connect? */ 7020 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7021 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7023 error = EINVAL; 7024 goto out_now; 7025 } 7026 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7027 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7028 /* We are already connected AND the TCP model */ 7029 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7030 error = EADDRINUSE; 7031 goto out_now; 7032 } 7033 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7034 SCTP_INP_RLOCK(inp); 7035 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7036 SCTP_INP_RUNLOCK(inp); 7037 } else { 7038 /* 7039 * We increment here since sctp_findassociation_ep_addr() 7040 * will do a decrement if it finds the stcb as long as the 7041 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7042 */ 7043 SCTP_INP_INCR_REF(inp); 7044 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7045 if (stcb == NULL) { 7046 SCTP_INP_DECR_REF(inp); 7047 } else { 7048 SCTP_TCB_UNLOCK(stcb); 7049 } 7050 } 7051 if (stcb != NULL) { 7052 /* Already have or am bring up an association */ 7053 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7054 error = EALREADY; 7055 goto out_now; 7056 } 7057 7058 vrf_id = inp->def_vrf_id; 7059 /* We are GOOD to go */ 7060 stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id, 7061 inp->sctp_ep.pre_open_stream_count, 7062 inp->sctp_ep.port, p, 7063 SCTP_INITIALIZE_AUTH_PARAMS); 7064 if (stcb == NULL) { 7065 /* Gak! no memory */ 7066 goto out_now; 7067 } 7068 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7069 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7070 7071 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7072 SCTP_TCB_UNLOCK(stcb); 7073 out_now: 7074 NET_EPOCH_EXIT(et); 7075 if (create_lock_on) { 7076 SCTP_ASOC_CREATE_UNLOCK(inp); 7077 } 7078 SCTP_INP_DECR_REF(inp); 7079 return (error); 7080 } 7081 #endif 7082 7083 int 7084 sctp_listen(struct socket *so, int backlog, struct thread *p) 7085 { 7086 /* 7087 * Note this module depends on the protocol processing being called 7088 * AFTER any socket level flags and backlog are applied to the 7089 * socket. The traditional way that the socket flags are applied is 7090 * AFTER protocol processing. We have made a change to the 7091 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7092 * place if the socket API for SCTP is to work properly. 7093 */ 7094 7095 int error = 0; 7096 struct sctp_inpcb *inp; 7097 7098 inp = (struct sctp_inpcb *)so->so_pcb; 7099 if (inp == NULL) { 7100 /* I made the same as TCP since we are not setup? */ 7101 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7102 return (ECONNRESET); 7103 } 7104 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7105 /* See if we have a listener */ 7106 struct sctp_inpcb *tinp; 7107 union sctp_sockstore store; 7108 7109 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7110 /* not bound all */ 7111 struct sctp_laddr *laddr; 7112 7113 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7114 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7115 switch (store.sa.sa_family) { 7116 #ifdef INET 7117 case AF_INET: 7118 store.sin.sin_port = inp->sctp_lport; 7119 break; 7120 #endif 7121 #ifdef INET6 7122 case AF_INET6: 7123 store.sin6.sin6_port = inp->sctp_lport; 7124 break; 7125 #endif 7126 default: 7127 break; 7128 } 7129 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7130 if (tinp && (tinp != inp) && 7131 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7132 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7133 (SCTP_IS_LISTENING(tinp))) { 7134 /* 7135 * we have a listener already and 7136 * its not this inp. 7137 */ 7138 SCTP_INP_DECR_REF(tinp); 7139 return (EADDRINUSE); 7140 } else if (tinp) { 7141 SCTP_INP_DECR_REF(tinp); 7142 } 7143 } 7144 } else { 7145 /* Setup a local addr bound all */ 7146 memset(&store, 0, sizeof(store)); 7147 #ifdef INET6 7148 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7149 store.sa.sa_family = AF_INET6; 7150 store.sa.sa_len = sizeof(struct sockaddr_in6); 7151 } 7152 #endif 7153 #ifdef INET 7154 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7155 store.sa.sa_family = AF_INET; 7156 store.sa.sa_len = sizeof(struct sockaddr_in); 7157 } 7158 #endif 7159 switch (store.sa.sa_family) { 7160 #ifdef INET 7161 case AF_INET: 7162 store.sin.sin_port = inp->sctp_lport; 7163 break; 7164 #endif 7165 #ifdef INET6 7166 case AF_INET6: 7167 store.sin6.sin6_port = inp->sctp_lport; 7168 break; 7169 #endif 7170 default: 7171 break; 7172 } 7173 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7174 if (tinp && (tinp != inp) && 7175 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7176 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7177 (SCTP_IS_LISTENING(tinp))) { 7178 /* 7179 * we have a listener already and its not 7180 * this inp. 7181 */ 7182 SCTP_INP_DECR_REF(tinp); 7183 return (EADDRINUSE); 7184 } else if (tinp) { 7185 SCTP_INP_DECR_REF(tinp); 7186 } 7187 } 7188 } 7189 SCTP_INP_INFO_WLOCK(); 7190 SCTP_INP_WLOCK(inp); 7191 #ifdef SCTP_LOCK_LOGGING 7192 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7193 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7194 } 7195 #endif 7196 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7197 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7198 /* 7199 * The unlucky case - We are in the tcp pool with this guy. 7200 * - Someone else is in the main inp slot. - We must move 7201 * this guy (the listener) to the main slot - We must then 7202 * move the guy that was listener to the TCP Pool. 7203 */ 7204 if (sctp_swap_inpcb_for_listen(inp)) { 7205 error = EADDRINUSE; 7206 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7207 goto out; 7208 } 7209 } 7210 SOCK_LOCK(so); 7211 error = solisten_proto_check(so); 7212 if (error) { 7213 SOCK_UNLOCK(so); 7214 goto out; 7215 } 7216 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7217 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7218 SOCK_UNLOCK(so); 7219 solisten_proto_abort(so); 7220 error = EADDRINUSE; 7221 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7222 goto out; 7223 } 7224 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7225 ((inp->sctp_flags & SCTP_PCB_FLAGS_WAS_CONNECTED) || 7226 (inp->sctp_flags & SCTP_PCB_FLAGS_WAS_ABORTED))) { 7227 SOCK_UNLOCK(so); 7228 solisten_proto_abort(so); 7229 error = EINVAL; 7230 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7231 goto out; 7232 } 7233 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7234 if ((error = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) { 7235 SOCK_UNLOCK(so); 7236 solisten_proto_abort(so); 7237 /* bind error, probably perm */ 7238 goto out; 7239 } 7240 } 7241 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7242 solisten_proto(so, backlog); 7243 SOCK_UNLOCK(so); 7244 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7245 } else { 7246 solisten_proto_abort(so); 7247 SOCK_UNLOCK(so); 7248 if (backlog > 0) { 7249 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7250 } else { 7251 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7252 } 7253 } 7254 out: 7255 SCTP_INP_WUNLOCK(inp); 7256 SCTP_INP_INFO_WUNLOCK(); 7257 return (error); 7258 } 7259 7260 static int sctp_defered_wakeup_cnt = 0; 7261 7262 int 7263 sctp_accept(struct socket *so, struct sockaddr **addr) 7264 { 7265 struct sctp_tcb *stcb; 7266 struct sctp_inpcb *inp; 7267 union sctp_sockstore store; 7268 #ifdef INET6 7269 int error; 7270 #endif 7271 inp = (struct sctp_inpcb *)so->so_pcb; 7272 7273 if (inp == NULL) { 7274 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7275 return (ECONNRESET); 7276 } 7277 SCTP_INP_WLOCK(inp); 7278 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7279 SCTP_INP_WUNLOCK(inp); 7280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7281 return (EOPNOTSUPP); 7282 } 7283 if (so->so_state & SS_ISDISCONNECTED) { 7284 SCTP_INP_WUNLOCK(inp); 7285 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7286 return (ECONNABORTED); 7287 } 7288 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7289 if (stcb == NULL) { 7290 SCTP_INP_WUNLOCK(inp); 7291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7292 return (ECONNRESET); 7293 } 7294 SCTP_TCB_LOCK(stcb); 7295 store = stcb->asoc.primary_destination->ro._l_addr; 7296 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7297 /* Wake any delayed sleep action */ 7298 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7299 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7300 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7301 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7302 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7303 if (sowriteable(inp->sctp_socket)) { 7304 sowwakeup_locked(inp->sctp_socket); 7305 } else { 7306 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7307 } 7308 } 7309 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7310 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7311 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7312 if (soreadable(inp->sctp_socket)) { 7313 sctp_defered_wakeup_cnt++; 7314 sorwakeup_locked(inp->sctp_socket); 7315 } else { 7316 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7317 } 7318 } 7319 } 7320 SCTP_INP_WUNLOCK(inp); 7321 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7322 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7323 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7324 } else { 7325 SCTP_TCB_UNLOCK(stcb); 7326 } 7327 switch (store.sa.sa_family) { 7328 #ifdef INET 7329 case AF_INET: 7330 { 7331 struct sockaddr_in *sin; 7332 7333 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7334 if (sin == NULL) 7335 return (ENOMEM); 7336 sin->sin_family = AF_INET; 7337 sin->sin_len = sizeof(*sin); 7338 sin->sin_port = store.sin.sin_port; 7339 sin->sin_addr = store.sin.sin_addr; 7340 *addr = (struct sockaddr *)sin; 7341 break; 7342 } 7343 #endif 7344 #ifdef INET6 7345 case AF_INET6: 7346 { 7347 struct sockaddr_in6 *sin6; 7348 7349 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7350 if (sin6 == NULL) 7351 return (ENOMEM); 7352 sin6->sin6_family = AF_INET6; 7353 sin6->sin6_len = sizeof(*sin6); 7354 sin6->sin6_port = store.sin6.sin6_port; 7355 sin6->sin6_addr = store.sin6.sin6_addr; 7356 if ((error = sa6_recoverscope(sin6)) != 0) { 7357 SCTP_FREE_SONAME(sin6); 7358 return (error); 7359 } 7360 *addr = (struct sockaddr *)sin6; 7361 break; 7362 } 7363 #endif 7364 default: 7365 /* TSNH */ 7366 break; 7367 } 7368 return (0); 7369 } 7370 7371 #ifdef INET 7372 int 7373 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7374 { 7375 struct sockaddr_in *sin; 7376 uint32_t vrf_id; 7377 struct sctp_inpcb *inp; 7378 struct sctp_ifa *sctp_ifa; 7379 7380 /* 7381 * Do the malloc first in case it blocks. 7382 */ 7383 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7384 if (sin == NULL) 7385 return (ENOMEM); 7386 sin->sin_family = AF_INET; 7387 sin->sin_len = sizeof(*sin); 7388 inp = (struct sctp_inpcb *)so->so_pcb; 7389 if (!inp) { 7390 SCTP_FREE_SONAME(sin); 7391 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7392 return (ECONNRESET); 7393 } 7394 SCTP_INP_RLOCK(inp); 7395 sin->sin_port = inp->sctp_lport; 7396 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7397 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7398 struct sctp_tcb *stcb; 7399 struct sockaddr_in *sin_a; 7400 struct sctp_nets *net; 7401 int fnd; 7402 7403 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7404 if (stcb == NULL) { 7405 goto notConn; 7406 } 7407 fnd = 0; 7408 sin_a = NULL; 7409 SCTP_TCB_LOCK(stcb); 7410 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7411 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7412 if (sin_a == NULL) 7413 /* this will make coverity happy */ 7414 continue; 7415 7416 if (sin_a->sin_family == AF_INET) { 7417 fnd = 1; 7418 break; 7419 } 7420 } 7421 if ((!fnd) || (sin_a == NULL)) { 7422 /* punt */ 7423 SCTP_TCB_UNLOCK(stcb); 7424 goto notConn; 7425 } 7426 7427 vrf_id = inp->def_vrf_id; 7428 sctp_ifa = sctp_source_address_selection(inp, 7429 stcb, 7430 (sctp_route_t *)&net->ro, 7431 net, 0, vrf_id); 7432 if (sctp_ifa) { 7433 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7434 sctp_free_ifa(sctp_ifa); 7435 } 7436 SCTP_TCB_UNLOCK(stcb); 7437 } else { 7438 /* For the bound all case you get back 0 */ 7439 notConn: 7440 sin->sin_addr.s_addr = 0; 7441 } 7442 7443 } else { 7444 /* Take the first IPv4 address in the list */ 7445 struct sctp_laddr *laddr; 7446 int fnd = 0; 7447 7448 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7449 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7450 struct sockaddr_in *sin_a; 7451 7452 sin_a = &laddr->ifa->address.sin; 7453 sin->sin_addr = sin_a->sin_addr; 7454 fnd = 1; 7455 break; 7456 } 7457 } 7458 if (!fnd) { 7459 SCTP_FREE_SONAME(sin); 7460 SCTP_INP_RUNLOCK(inp); 7461 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7462 return (ENOENT); 7463 } 7464 } 7465 SCTP_INP_RUNLOCK(inp); 7466 (*addr) = (struct sockaddr *)sin; 7467 return (0); 7468 } 7469 7470 int 7471 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7472 { 7473 struct sockaddr_in *sin; 7474 int fnd; 7475 struct sockaddr_in *sin_a; 7476 struct sctp_inpcb *inp; 7477 struct sctp_tcb *stcb; 7478 struct sctp_nets *net; 7479 7480 /* Do the malloc first in case it blocks. */ 7481 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7482 if (sin == NULL) 7483 return (ENOMEM); 7484 sin->sin_family = AF_INET; 7485 sin->sin_len = sizeof(*sin); 7486 7487 inp = (struct sctp_inpcb *)so->so_pcb; 7488 if ((inp == NULL) || 7489 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7490 /* UDP type and listeners will drop out here */ 7491 SCTP_FREE_SONAME(sin); 7492 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7493 return (ENOTCONN); 7494 } 7495 SCTP_INP_RLOCK(inp); 7496 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7497 if (stcb) { 7498 SCTP_TCB_LOCK(stcb); 7499 } 7500 SCTP_INP_RUNLOCK(inp); 7501 if (stcb == NULL) { 7502 SCTP_FREE_SONAME(sin); 7503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7504 return (ECONNRESET); 7505 } 7506 fnd = 0; 7507 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7508 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7509 if (sin_a->sin_family == AF_INET) { 7510 fnd = 1; 7511 sin->sin_port = stcb->rport; 7512 sin->sin_addr = sin_a->sin_addr; 7513 break; 7514 } 7515 } 7516 SCTP_TCB_UNLOCK(stcb); 7517 if (!fnd) { 7518 /* No IPv4 address */ 7519 SCTP_FREE_SONAME(sin); 7520 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7521 return (ENOENT); 7522 } 7523 (*addr) = (struct sockaddr *)sin; 7524 return (0); 7525 } 7526 7527 struct pr_usrreqs sctp_usrreqs = { 7528 .pru_abort = sctp_abort, 7529 .pru_accept = sctp_accept, 7530 .pru_attach = sctp_attach, 7531 .pru_bind = sctp_bind, 7532 .pru_connect = sctp_connect, 7533 .pru_control = in_control, 7534 .pru_close = sctp_close, 7535 .pru_detach = sctp_close, 7536 .pru_sopoll = sopoll_generic, 7537 .pru_flush = sctp_flush, 7538 .pru_disconnect = sctp_disconnect, 7539 .pru_listen = sctp_listen, 7540 .pru_peeraddr = sctp_peeraddr, 7541 .pru_send = sctp_sendm, 7542 .pru_shutdown = sctp_shutdown, 7543 .pru_sockaddr = sctp_ingetaddr, 7544 .pru_sosend = sctp_sosend, 7545 .pru_soreceive = sctp_soreceive 7546 }; 7547 #endif 7548