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 59 extern const struct sctp_cc_functions sctp_cc_functions[]; 60 extern const struct sctp_ss_functions sctp_ss_functions[]; 61 62 void 63 sctp_init(void) 64 { 65 u_long sb_max_adj; 66 67 /* Initialize and modify the sysctled variables */ 68 sctp_init_sysctls(); 69 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 70 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 71 /* 72 * Allow a user to take no more than 1/2 the number of clusters or 73 * the SB_MAX, whichever is smaller, for the send window. 74 */ 75 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 76 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 77 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 78 /* 79 * Now for the recv window, should we take the same amount? or 80 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 81 * now I will just copy. 82 */ 83 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 84 SCTP_BASE_VAR(first_time) = 0; 85 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 86 sctp_pcb_init(); 87 #if defined(SCTP_PACKET_LOGGING) 88 SCTP_BASE_VAR(packet_log_writers) = 0; 89 SCTP_BASE_VAR(packet_log_end) = 0; 90 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 91 #endif 92 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, 93 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); 94 } 95 96 #ifdef VIMAGE 97 static void 98 sctp_finish(void *unused __unused) 99 { 100 EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag)); 101 sctp_pcb_finish(); 102 } 103 104 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 105 #endif 106 107 void 108 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 109 { 110 struct sctp_tmit_chunk *chk; 111 uint16_t overhead; 112 113 /* Adjust that too */ 114 stcb->asoc.smallest_mtu = nxtsz; 115 /* now off to subtract IP_DF flag if needed */ 116 overhead = IP_HDR_SIZE + sizeof(struct sctphdr); 117 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 118 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 119 } 120 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 121 if ((chk->send_size + overhead) > nxtsz) { 122 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 123 } 124 } 125 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 126 if ((chk->send_size + overhead) > nxtsz) { 127 /* 128 * For this guy we also mark for immediate resend 129 * since we sent to big of chunk 130 */ 131 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 132 if (chk->sent < SCTP_DATAGRAM_RESEND) { 133 sctp_flight_size_decrease(chk); 134 sctp_total_flight_decrease(stcb, chk); 135 chk->sent = SCTP_DATAGRAM_RESEND; 136 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 137 chk->rec.data.doing_fast_retransmit = 0; 138 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 139 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 140 chk->whoTo->flight_size, 141 chk->book_size, 142 (uint32_t)(uintptr_t)chk->whoTo, 143 chk->rec.data.tsn); 144 } 145 /* Clear any time so NO RTT is being done */ 146 if (chk->do_rtt == 1) { 147 chk->do_rtt = 0; 148 chk->whoTo->rto_needed = 1; 149 } 150 } 151 } 152 } 153 } 154 155 #ifdef INET 156 void 157 sctp_notify(struct sctp_inpcb *inp, 158 struct sctp_tcb *stcb, 159 struct sctp_nets *net, 160 uint8_t icmp_type, 161 uint8_t icmp_code, 162 uint16_t ip_len, 163 uint32_t next_mtu) 164 { 165 int timer_stopped; 166 167 if (icmp_type != ICMP_UNREACH) { 168 /* We only care about unreachable */ 169 SCTP_TCB_UNLOCK(stcb); 170 return; 171 } 172 if ((icmp_code == ICMP_UNREACH_NET) || 173 (icmp_code == ICMP_UNREACH_HOST) || 174 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 175 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 176 (icmp_code == ICMP_UNREACH_ISOLATED) || 177 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 178 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 179 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 180 /* Mark the net unreachable. */ 181 if (net->dest_state & SCTP_ADDR_REACHABLE) { 182 /* OK, that destination is NOT reachable. */ 183 net->dest_state &= ~SCTP_ADDR_REACHABLE; 184 net->dest_state &= ~SCTP_ADDR_PF; 185 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 186 stcb, 0, 187 (void *)net, SCTP_SO_NOT_LOCKED); 188 } 189 SCTP_TCB_UNLOCK(stcb); 190 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 191 (icmp_code == ICMP_UNREACH_PORT)) { 192 /* Treat it like an ABORT. */ 193 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 194 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 195 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 196 /* no need to unlock here, since the TCB is gone */ 197 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 198 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 199 SCTP_TCB_UNLOCK(stcb); 200 return; 201 } 202 /* Find the next (smaller) MTU */ 203 if (next_mtu == 0) { 204 /* 205 * Old type router that does not tell us what the 206 * next MTU is. Rats we will have to guess (in a 207 * educated fashion of course). 208 */ 209 next_mtu = sctp_get_prev_mtu(ip_len); 210 } 211 /* Stop the PMTU timer. */ 212 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 213 timer_stopped = 1; 214 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 215 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 216 } else { 217 timer_stopped = 0; 218 } 219 /* Update the path MTU. */ 220 if (net->port) { 221 next_mtu -= sizeof(struct udphdr); 222 } 223 if (net->mtu > next_mtu) { 224 net->mtu = next_mtu; 225 if (net->port) { 226 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 227 } else { 228 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 229 } 230 } 231 /* Update the association MTU */ 232 if (stcb->asoc.smallest_mtu > next_mtu) { 233 sctp_pathmtu_adjustment(stcb, next_mtu); 234 } 235 /* Finally, start the PMTU timer if it was running before. */ 236 if (timer_stopped) { 237 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 238 } 239 SCTP_TCB_UNLOCK(stcb); 240 } else { 241 SCTP_TCB_UNLOCK(stcb); 242 } 243 } 244 245 void 246 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 247 { 248 struct ip *outer_ip; 249 struct ip *inner_ip; 250 struct sctphdr *sh; 251 struct icmp *icmp; 252 struct sctp_inpcb *inp; 253 struct sctp_tcb *stcb; 254 struct sctp_nets *net; 255 struct sctp_init_chunk *ch; 256 struct sockaddr_in src, dst; 257 258 if (sa->sa_family != AF_INET || 259 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 260 return; 261 } 262 if (PRC_IS_REDIRECT(cmd)) { 263 vip = NULL; 264 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 265 return; 266 } 267 if (vip != NULL) { 268 inner_ip = (struct ip *)vip; 269 icmp = (struct icmp *)((caddr_t)inner_ip - 270 (sizeof(struct icmp) - sizeof(struct ip))); 271 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 272 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 273 memset(&src, 0, sizeof(struct sockaddr_in)); 274 src.sin_family = AF_INET; 275 src.sin_len = sizeof(struct sockaddr_in); 276 src.sin_port = sh->src_port; 277 src.sin_addr = inner_ip->ip_src; 278 memset(&dst, 0, sizeof(struct sockaddr_in)); 279 dst.sin_family = AF_INET; 280 dst.sin_len = sizeof(struct sockaddr_in); 281 dst.sin_port = sh->dest_port; 282 dst.sin_addr = inner_ip->ip_dst; 283 /* 284 * 'dst' holds the dest of the packet that failed to be 285 * sent. 'src' holds our local endpoint address. Thus we 286 * reverse the dst and the src in the lookup. 287 */ 288 inp = NULL; 289 net = NULL; 290 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 291 (struct sockaddr *)&src, 292 &inp, &net, 1, 293 SCTP_DEFAULT_VRFID); 294 if ((stcb != NULL) && 295 (net != NULL) && 296 (inp != NULL)) { 297 /* Check the verification tag */ 298 if (ntohl(sh->v_tag) != 0) { 299 /* 300 * This must be the verification tag used 301 * for sending out packets. We don't 302 * consider packets reflecting the 303 * verification tag. 304 */ 305 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 306 SCTP_TCB_UNLOCK(stcb); 307 return; 308 } 309 } else { 310 if (ntohs(outer_ip->ip_len) >= 311 sizeof(struct ip) + 312 8 + (inner_ip->ip_hl << 2) + 20) { 313 /* 314 * In this case we can check if we 315 * got an INIT chunk and if the 316 * initiate tag matches. 317 */ 318 ch = (struct sctp_init_chunk *)(sh + 1); 319 if ((ch->ch.chunk_type != SCTP_INITIATION) || 320 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 321 SCTP_TCB_UNLOCK(stcb); 322 return; 323 } 324 } else { 325 SCTP_TCB_UNLOCK(stcb); 326 return; 327 } 328 } 329 sctp_notify(inp, stcb, net, 330 icmp->icmp_type, 331 icmp->icmp_code, 332 ntohs(inner_ip->ip_len), 333 (uint32_t)ntohs(icmp->icmp_nextmtu)); 334 } else { 335 if ((stcb == NULL) && (inp != NULL)) { 336 /* reduce ref-count */ 337 SCTP_INP_WLOCK(inp); 338 SCTP_INP_DECR_REF(inp); 339 SCTP_INP_WUNLOCK(inp); 340 } 341 if (stcb) { 342 SCTP_TCB_UNLOCK(stcb); 343 } 344 } 345 } 346 return; 347 } 348 #endif 349 350 static int 351 sctp_getcred(SYSCTL_HANDLER_ARGS) 352 { 353 struct xucred xuc; 354 struct sockaddr_in addrs[2]; 355 struct sctp_inpcb *inp; 356 struct sctp_nets *net; 357 struct sctp_tcb *stcb; 358 int error; 359 uint32_t vrf_id; 360 361 /* FIX, for non-bsd is this right? */ 362 vrf_id = SCTP_DEFAULT_VRFID; 363 364 error = priv_check(req->td, PRIV_NETINET_GETCRED); 365 366 if (error) 367 return (error); 368 369 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 370 if (error) 371 return (error); 372 373 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 374 sintosa(&addrs[0]), 375 &inp, &net, 1, vrf_id); 376 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 377 if ((inp != NULL) && (stcb == NULL)) { 378 /* reduce ref-count */ 379 SCTP_INP_WLOCK(inp); 380 SCTP_INP_DECR_REF(inp); 381 goto cred_can_cont; 382 } 383 384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 385 error = ENOENT; 386 goto out; 387 } 388 SCTP_TCB_UNLOCK(stcb); 389 /* 390 * We use the write lock here, only since in the error leg we need 391 * it. If we used RLOCK, then we would have to 392 * wlock/decr/unlock/rlock. Which in theory could create a hole. 393 * Better to use higher wlock. 394 */ 395 SCTP_INP_WLOCK(inp); 396 cred_can_cont: 397 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 398 if (error) { 399 SCTP_INP_WUNLOCK(inp); 400 goto out; 401 } 402 cru2x(inp->sctp_socket->so_cred, &xuc); 403 SCTP_INP_WUNLOCK(inp); 404 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 405 out: 406 return (error); 407 } 408 409 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 410 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 411 0, 0, sctp_getcred, "S,ucred", 412 "Get the ucred of a SCTP connection"); 413 414 415 #ifdef INET 416 static void 417 sctp_abort(struct socket *so) 418 { 419 struct epoch_tracker et; 420 struct sctp_inpcb *inp; 421 uint32_t flags; 422 423 inp = (struct sctp_inpcb *)so->so_pcb; 424 if (inp == NULL) { 425 return; 426 } 427 428 NET_EPOCH_ENTER(et); 429 sctp_must_try_again: 430 flags = inp->sctp_flags; 431 #ifdef SCTP_LOG_CLOSING 432 sctp_log_closing(inp, NULL, 17); 433 #endif 434 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 435 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 436 #ifdef SCTP_LOG_CLOSING 437 sctp_log_closing(inp, NULL, 16); 438 #endif 439 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 440 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 441 SOCK_LOCK(so); 442 SCTP_SB_CLEAR(so->so_snd); 443 /* 444 * same for the rcv ones, they are only here for the 445 * accounting/select. 446 */ 447 SCTP_SB_CLEAR(so->so_rcv); 448 449 /* Now null out the reference, we are completely detached. */ 450 so->so_pcb = NULL; 451 SOCK_UNLOCK(so); 452 } else { 453 flags = inp->sctp_flags; 454 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 455 goto sctp_must_try_again; 456 } 457 } 458 NET_EPOCH_EXIT(et); 459 return; 460 } 461 462 static int 463 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 464 { 465 struct sctp_inpcb *inp; 466 struct inpcb *ip_inp; 467 int error; 468 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 469 470 inp = (struct sctp_inpcb *)so->so_pcb; 471 if (inp != NULL) { 472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 473 return (EINVAL); 474 } 475 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 476 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 477 if (error) { 478 return (error); 479 } 480 } 481 error = sctp_inpcb_alloc(so, vrf_id); 482 if (error) { 483 return (error); 484 } 485 inp = (struct sctp_inpcb *)so->so_pcb; 486 SCTP_INP_WLOCK(inp); 487 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 488 ip_inp = &inp->ip_inp.inp; 489 ip_inp->inp_vflag |= INP_IPV4; 490 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 491 SCTP_INP_WUNLOCK(inp); 492 return (0); 493 } 494 495 static int 496 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 497 { 498 struct sctp_inpcb *inp; 499 500 inp = (struct sctp_inpcb *)so->so_pcb; 501 if (inp == NULL) { 502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 503 return (EINVAL); 504 } 505 if (addr != NULL) { 506 if ((addr->sa_family != AF_INET) || 507 (addr->sa_len != sizeof(struct sockaddr_in))) { 508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 509 return (EINVAL); 510 } 511 } 512 return (sctp_inpcb_bind(so, addr, NULL, p)); 513 } 514 515 #endif 516 void 517 sctp_close(struct socket *so) 518 { 519 struct epoch_tracker et; 520 struct sctp_inpcb *inp; 521 uint32_t flags; 522 523 inp = (struct sctp_inpcb *)so->so_pcb; 524 if (inp == NULL) 525 return; 526 527 /* 528 * Inform all the lower layer assoc that we are done. 529 */ 530 NET_EPOCH_ENTER(et); 531 sctp_must_try_again: 532 flags = inp->sctp_flags; 533 #ifdef SCTP_LOG_CLOSING 534 sctp_log_closing(inp, NULL, 17); 535 #endif 536 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 537 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 538 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 539 (so->so_rcv.sb_cc > 0)) { 540 #ifdef SCTP_LOG_CLOSING 541 sctp_log_closing(inp, NULL, 13); 542 #endif 543 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 544 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 545 } else { 546 #ifdef SCTP_LOG_CLOSING 547 sctp_log_closing(inp, NULL, 14); 548 #endif 549 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 550 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 551 } 552 /* 553 * The socket is now detached, no matter what the state of 554 * the SCTP association. 555 */ 556 SOCK_LOCK(so); 557 SCTP_SB_CLEAR(so->so_snd); 558 /* 559 * same for the rcv ones, they are only here for the 560 * accounting/select. 561 */ 562 SCTP_SB_CLEAR(so->so_rcv); 563 564 /* Now null out the reference, we are completely detached. */ 565 so->so_pcb = NULL; 566 SOCK_UNLOCK(so); 567 } else { 568 flags = inp->sctp_flags; 569 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 570 goto sctp_must_try_again; 571 } 572 } 573 NET_EPOCH_EXIT(et); 574 return; 575 } 576 577 578 int 579 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 580 struct mbuf *control, struct thread *p); 581 582 583 int 584 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 585 struct mbuf *control, struct thread *p) 586 { 587 struct sctp_inpcb *inp; 588 int error; 589 590 inp = (struct sctp_inpcb *)so->so_pcb; 591 if (inp == NULL) { 592 if (control) { 593 sctp_m_freem(control); 594 control = NULL; 595 } 596 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 597 sctp_m_freem(m); 598 return (EINVAL); 599 } 600 /* Got to have an to address if we are NOT a connected socket */ 601 if ((addr == NULL) && 602 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 603 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 604 goto connected_type; 605 } else if (addr == NULL) { 606 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 607 error = EDESTADDRREQ; 608 sctp_m_freem(m); 609 if (control) { 610 sctp_m_freem(control); 611 control = NULL; 612 } 613 return (error); 614 } 615 #ifdef INET6 616 if (addr->sa_family != AF_INET) { 617 /* must be a v4 address! */ 618 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 619 sctp_m_freem(m); 620 if (control) { 621 sctp_m_freem(control); 622 control = NULL; 623 } 624 error = EDESTADDRREQ; 625 return (error); 626 } 627 #endif /* INET6 */ 628 connected_type: 629 /* now what about control */ 630 if (control) { 631 if (inp->control) { 632 sctp_m_freem(inp->control); 633 inp->control = NULL; 634 } 635 inp->control = control; 636 } 637 /* Place the data */ 638 if (inp->pkt) { 639 SCTP_BUF_NEXT(inp->pkt_last) = m; 640 inp->pkt_last = m; 641 } else { 642 inp->pkt_last = inp->pkt = m; 643 } 644 if ( 645 /* FreeBSD uses a flag passed */ 646 ((flags & PRUS_MORETOCOME) == 0) 647 ) { 648 /* 649 * note with the current version this code will only be used 650 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 651 * re-defining sosend to use the sctp_sosend. One can 652 * optionally switch back to this code (by changing back the 653 * definitions) but this is not advisable. This code is used 654 * by FreeBSD when sending a file with sendfile() though. 655 */ 656 struct epoch_tracker et; 657 int ret; 658 659 NET_EPOCH_ENTER(et); 660 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 661 NET_EPOCH_EXIT(et); 662 inp->pkt = NULL; 663 inp->control = NULL; 664 return (ret); 665 } else { 666 return (0); 667 } 668 } 669 670 int 671 sctp_disconnect(struct socket *so) 672 { 673 struct sctp_inpcb *inp; 674 675 inp = (struct sctp_inpcb *)so->so_pcb; 676 if (inp == NULL) { 677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 678 return (ENOTCONN); 679 } 680 SCTP_INP_RLOCK(inp); 681 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 682 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 683 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 684 /* No connection */ 685 SCTP_INP_RUNLOCK(inp); 686 return (0); 687 } else { 688 struct epoch_tracker et; 689 struct sctp_association *asoc; 690 struct sctp_tcb *stcb; 691 692 stcb = LIST_FIRST(&inp->sctp_asoc_list); 693 if (stcb == NULL) { 694 SCTP_INP_RUNLOCK(inp); 695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 696 return (EINVAL); 697 } 698 SCTP_TCB_LOCK(stcb); 699 asoc = &stcb->asoc; 700 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 701 /* We are about to be freed, out of here */ 702 SCTP_TCB_UNLOCK(stcb); 703 SCTP_INP_RUNLOCK(inp); 704 return (0); 705 } 706 NET_EPOCH_ENTER(et); 707 if (((so->so_options & SO_LINGER) && 708 (so->so_linger == 0)) || 709 (so->so_rcv.sb_cc > 0)) { 710 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 711 /* Left with Data unread */ 712 struct mbuf *op_err; 713 714 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 715 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 716 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 717 } 718 SCTP_INP_RUNLOCK(inp); 719 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 720 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 721 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 722 } 723 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 724 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 725 /* No unlock tcb assoc is gone */ 726 NET_EPOCH_EXIT(et); 727 return (0); 728 } 729 if (TAILQ_EMPTY(&asoc->send_queue) && 730 TAILQ_EMPTY(&asoc->sent_queue) && 731 (asoc->stream_queue_cnt == 0)) { 732 /* there is nothing queued to send, so done */ 733 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 734 goto abort_anyway; 735 } 736 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 737 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 738 /* only send SHUTDOWN 1st time thru */ 739 struct sctp_nets *netp; 740 741 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 742 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 743 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 744 } 745 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 746 sctp_stop_timers_for_shutdown(stcb); 747 if (stcb->asoc.alternate) { 748 netp = stcb->asoc.alternate; 749 } else { 750 netp = stcb->asoc.primary_destination; 751 } 752 sctp_send_shutdown(stcb, netp); 753 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 754 stcb->sctp_ep, stcb, netp); 755 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 756 stcb->sctp_ep, stcb, NULL); 757 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 758 } 759 } else { 760 /* 761 * we still got (or just got) data to send, 762 * so set SHUTDOWN_PENDING 763 */ 764 /* 765 * XXX sockets draft says that SCTP_EOF 766 * should be sent with no data. currently, 767 * we will allow user data to be sent first 768 * and move to SHUTDOWN-PENDING 769 */ 770 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 771 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 772 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 773 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 774 } 775 if (TAILQ_EMPTY(&asoc->send_queue) && 776 TAILQ_EMPTY(&asoc->sent_queue) && 777 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 778 struct mbuf *op_err; 779 780 abort_anyway: 781 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 782 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 783 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 784 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 785 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 786 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 787 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 788 } 789 SCTP_INP_RUNLOCK(inp); 790 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 791 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 792 NET_EPOCH_EXIT(et); 793 return (0); 794 } else { 795 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 796 } 797 } 798 soisdisconnecting(so); 799 NET_EPOCH_EXIT(et); 800 SCTP_TCB_UNLOCK(stcb); 801 SCTP_INP_RUNLOCK(inp); 802 return (0); 803 } 804 /* not reached */ 805 } else { 806 /* UDP model does not support this */ 807 SCTP_INP_RUNLOCK(inp); 808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 809 return (EOPNOTSUPP); 810 } 811 } 812 813 int 814 sctp_flush(struct socket *so, int how) 815 { 816 /* 817 * We will just clear out the values and let subsequent close clear 818 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 819 * they will not be able to read the data, the socket will block 820 * that from happening. 821 */ 822 struct sctp_inpcb *inp; 823 824 inp = (struct sctp_inpcb *)so->so_pcb; 825 if (inp == NULL) { 826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 827 return (EINVAL); 828 } 829 SCTP_INP_RLOCK(inp); 830 /* For the 1 to many model this does nothing */ 831 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 832 SCTP_INP_RUNLOCK(inp); 833 return (0); 834 } 835 SCTP_INP_RUNLOCK(inp); 836 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 837 /* 838 * First make sure the sb will be happy, we don't use these 839 * except maybe the count 840 */ 841 SCTP_INP_WLOCK(inp); 842 SCTP_INP_READ_LOCK(inp); 843 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 844 SCTP_INP_READ_UNLOCK(inp); 845 SCTP_INP_WUNLOCK(inp); 846 so->so_rcv.sb_cc = 0; 847 so->so_rcv.sb_mbcnt = 0; 848 so->so_rcv.sb_mb = NULL; 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 so->so_snd.sb_cc = 0; 856 so->so_snd.sb_mbcnt = 0; 857 so->so_snd.sb_mb = NULL; 858 859 } 860 return (0); 861 } 862 863 int 864 sctp_shutdown(struct socket *so) 865 { 866 struct sctp_inpcb *inp; 867 868 inp = (struct sctp_inpcb *)so->so_pcb; 869 if (inp == NULL) { 870 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 871 return (EINVAL); 872 } 873 SCTP_INP_RLOCK(inp); 874 /* For UDP model this is a invalid call */ 875 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 876 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 877 /* Restore the flags that the soshutdown took away. */ 878 SOCKBUF_LOCK(&so->so_rcv); 879 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 880 SOCKBUF_UNLOCK(&so->so_rcv); 881 /* This proc will wakeup for read and do nothing (I hope) */ 882 SCTP_INP_RUNLOCK(inp); 883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 884 return (EOPNOTSUPP); 885 } else { 886 /* 887 * Ok, if we reach here its the TCP model and it is either a 888 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 889 * against it. 890 */ 891 struct epoch_tracker et; 892 struct sctp_tcb *stcb; 893 struct sctp_association *asoc; 894 struct sctp_nets *netp; 895 896 if ((so->so_state & 897 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 898 SCTP_INP_RUNLOCK(inp); 899 return (ENOTCONN); 900 } 901 socantsendmore(so); 902 903 stcb = LIST_FIRST(&inp->sctp_asoc_list); 904 if (stcb == NULL) { 905 /* 906 * Ok, we hit the case that the shutdown call was 907 * made after an abort or something. Nothing to do 908 * now. 909 */ 910 SCTP_INP_RUNLOCK(inp); 911 return (0); 912 } 913 SCTP_TCB_LOCK(stcb); 914 asoc = &stcb->asoc; 915 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 916 SCTP_TCB_UNLOCK(stcb); 917 SCTP_INP_RUNLOCK(inp); 918 return (0); 919 } 920 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 921 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 922 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 923 /* 924 * If we are not in or before ESTABLISHED, there is 925 * no protocol action required. 926 */ 927 SCTP_TCB_UNLOCK(stcb); 928 SCTP_INP_RUNLOCK(inp); 929 return (0); 930 } 931 NET_EPOCH_ENTER(et); 932 if (stcb->asoc.alternate) { 933 netp = stcb->asoc.alternate; 934 } else { 935 netp = stcb->asoc.primary_destination; 936 } 937 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 938 TAILQ_EMPTY(&asoc->send_queue) && 939 TAILQ_EMPTY(&asoc->sent_queue) && 940 (asoc->stream_queue_cnt == 0)) { 941 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 942 goto abort_anyway; 943 } 944 /* there is nothing queued to send, so I'm done... */ 945 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 946 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 947 sctp_stop_timers_for_shutdown(stcb); 948 sctp_send_shutdown(stcb, netp); 949 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 950 stcb->sctp_ep, stcb, netp); 951 } else { 952 /* 953 * We still got (or just got) data to send, so set 954 * SHUTDOWN_PENDING. 955 */ 956 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 957 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 958 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 959 } 960 if (TAILQ_EMPTY(&asoc->send_queue) && 961 TAILQ_EMPTY(&asoc->sent_queue) && 962 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 963 struct mbuf *op_err; 964 965 abort_anyway: 966 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 967 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 968 SCTP_INP_RUNLOCK(inp); 969 sctp_abort_an_association(stcb->sctp_ep, stcb, 970 op_err, SCTP_SO_LOCKED); 971 NET_EPOCH_EXIT(et); 972 return (0); 973 } 974 } 975 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 976 /* 977 * XXX: Why do this in the case where we have still data 978 * queued? 979 */ 980 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 981 SCTP_TCB_UNLOCK(stcb); 982 SCTP_INP_RUNLOCK(inp); 983 NET_EPOCH_EXIT(et); 984 return (0); 985 } 986 } 987 988 /* 989 * copies a "user" presentable address and removes embedded scope, etc. 990 * returns 0 on success, 1 on error 991 */ 992 static uint32_t 993 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 994 { 995 #ifdef INET6 996 struct sockaddr_in6 lsa6; 997 998 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 999 &lsa6); 1000 #endif 1001 memcpy(dst, src, src->sa_len); 1002 return (0); 1003 } 1004 1005 1006 1007 static size_t 1008 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1009 struct sctp_tcb *stcb, 1010 size_t limit, 1011 struct sockaddr *addr, 1012 uint32_t vrf_id) 1013 { 1014 struct sctp_ifn *sctp_ifn; 1015 struct sctp_ifa *sctp_ifa; 1016 size_t actual; 1017 int loopback_scope; 1018 #if defined(INET) 1019 int ipv4_local_scope, ipv4_addr_legal; 1020 #endif 1021 #if defined(INET6) 1022 int local_scope, site_scope, ipv6_addr_legal; 1023 #endif 1024 struct sctp_vrf *vrf; 1025 1026 SCTP_IPI_ADDR_LOCK_ASSERT(); 1027 actual = 0; 1028 if (limit == 0) 1029 return (actual); 1030 1031 if (stcb) { 1032 /* Turn on all the appropriate scope */ 1033 loopback_scope = stcb->asoc.scope.loopback_scope; 1034 #if defined(INET) 1035 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1036 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1037 #endif 1038 #if defined(INET6) 1039 local_scope = stcb->asoc.scope.local_scope; 1040 site_scope = stcb->asoc.scope.site_scope; 1041 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1042 #endif 1043 } else { 1044 /* Use generic values for endpoints. */ 1045 loopback_scope = 1; 1046 #if defined(INET) 1047 ipv4_local_scope = 1; 1048 #endif 1049 #if defined(INET6) 1050 local_scope = 1; 1051 site_scope = 1; 1052 #endif 1053 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1054 #if defined(INET6) 1055 ipv6_addr_legal = 1; 1056 #endif 1057 #if defined(INET) 1058 if (SCTP_IPV6_V6ONLY(inp)) { 1059 ipv4_addr_legal = 0; 1060 } else { 1061 ipv4_addr_legal = 1; 1062 } 1063 #endif 1064 } else { 1065 #if defined(INET6) 1066 ipv6_addr_legal = 0; 1067 #endif 1068 #if defined(INET) 1069 ipv4_addr_legal = 1; 1070 #endif 1071 } 1072 } 1073 vrf = sctp_find_vrf(vrf_id); 1074 if (vrf == NULL) { 1075 return (0); 1076 } 1077 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1078 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1079 if ((loopback_scope == 0) && 1080 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1081 /* Skip loopback if loopback_scope not set */ 1082 continue; 1083 } 1084 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1085 if (stcb) { 1086 /* 1087 * For the BOUND-ALL case, the list 1088 * associated with a TCB is Always 1089 * considered a reverse list.. i.e. 1090 * it lists addresses that are NOT 1091 * part of the association. If this 1092 * is one of those we must skip it. 1093 */ 1094 if (sctp_is_addr_restricted(stcb, 1095 sctp_ifa)) { 1096 continue; 1097 } 1098 } 1099 switch (sctp_ifa->address.sa.sa_family) { 1100 #ifdef INET 1101 case AF_INET: 1102 if (ipv4_addr_legal) { 1103 struct sockaddr_in *sin; 1104 1105 sin = &sctp_ifa->address.sin; 1106 if (sin->sin_addr.s_addr == 0) { 1107 /* 1108 * we skip 1109 * unspecifed 1110 * addresses 1111 */ 1112 continue; 1113 } 1114 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1115 &sin->sin_addr) != 0) { 1116 continue; 1117 } 1118 if ((ipv4_local_scope == 0) && 1119 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1120 continue; 1121 } 1122 #ifdef INET6 1123 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1124 if (actual + sizeof(struct sockaddr_in6) > limit) { 1125 return (actual); 1126 } 1127 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)&addr); 1128 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1129 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1130 actual += sizeof(struct sockaddr_in6); 1131 } else { 1132 #endif 1133 if (actual + sizeof(struct sockaddr_in) > limit) { 1134 return (actual); 1135 } 1136 memcpy(addr, sin, sizeof(struct sockaddr_in)); 1137 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1138 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); 1139 actual += sizeof(struct sockaddr_in); 1140 #ifdef INET6 1141 } 1142 #endif 1143 } else { 1144 continue; 1145 } 1146 break; 1147 #endif 1148 #ifdef INET6 1149 case AF_INET6: 1150 if (ipv6_addr_legal) { 1151 struct sockaddr_in6 *sin6; 1152 1153 sin6 = &sctp_ifa->address.sin6; 1154 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1155 /* 1156 * we skip 1157 * unspecifed 1158 * addresses 1159 */ 1160 continue; 1161 } 1162 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1163 &sin6->sin6_addr) != 0) { 1164 continue; 1165 } 1166 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1167 if (local_scope == 0) 1168 continue; 1169 if (sin6->sin6_scope_id == 0) { 1170 if (sa6_recoverscope(sin6) != 0) 1171 /* 1172 * 1173 * bad 1174 * link 1175 * 1176 * local 1177 * 1178 * address 1179 */ 1180 continue; 1181 } 1182 } 1183 if ((site_scope == 0) && 1184 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1185 continue; 1186 } 1187 if (actual + sizeof(struct sockaddr_in6) > limit) { 1188 return (actual); 1189 } 1190 memcpy(addr, sin6, sizeof(struct sockaddr_in6)); 1191 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1192 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1193 actual += sizeof(struct sockaddr_in6); 1194 } else { 1195 continue; 1196 } 1197 break; 1198 #endif 1199 default: 1200 /* TSNH */ 1201 break; 1202 } 1203 } 1204 } 1205 } else { 1206 struct sctp_laddr *laddr; 1207 size_t sa_len; 1208 1209 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1210 if (stcb) { 1211 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1212 continue; 1213 } 1214 } 1215 sa_len = laddr->ifa->address.sa.sa_len; 1216 if (actual + sa_len > limit) { 1217 return (actual); 1218 } 1219 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) 1220 continue; 1221 switch (laddr->ifa->address.sa.sa_family) { 1222 #ifdef INET 1223 case AF_INET: 1224 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1225 break; 1226 #endif 1227 #ifdef INET6 1228 case AF_INET6: 1229 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1230 break; 1231 #endif 1232 default: 1233 /* TSNH */ 1234 break; 1235 } 1236 addr = (struct sockaddr *)((caddr_t)addr + sa_len); 1237 actual += sa_len; 1238 } 1239 } 1240 return (actual); 1241 } 1242 1243 static size_t 1244 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1245 struct sctp_tcb *stcb, 1246 size_t limit, 1247 struct sockaddr *addr) 1248 { 1249 size_t size = 0; 1250 1251 SCTP_IPI_ADDR_RLOCK(); 1252 /* fill up addresses for the endpoint's default vrf */ 1253 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, 1254 inp->def_vrf_id); 1255 SCTP_IPI_ADDR_RUNLOCK(); 1256 return (size); 1257 } 1258 1259 static int 1260 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1261 { 1262 int cnt = 0; 1263 struct sctp_vrf *vrf = NULL; 1264 1265 /* 1266 * In both sub-set bound an bound_all cases we return the MAXIMUM 1267 * number of addresses that you COULD get. In reality the sub-set 1268 * bound may have an exclusion list for a given TCB OR in the 1269 * bound-all case a TCB may NOT include the loopback or other 1270 * addresses as well. 1271 */ 1272 SCTP_IPI_ADDR_LOCK_ASSERT(); 1273 vrf = sctp_find_vrf(vrf_id); 1274 if (vrf == NULL) { 1275 return (0); 1276 } 1277 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1278 struct sctp_ifn *sctp_ifn; 1279 struct sctp_ifa *sctp_ifa; 1280 1281 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1282 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1283 /* Count them if they are the right type */ 1284 switch (sctp_ifa->address.sa.sa_family) { 1285 #ifdef INET 1286 case AF_INET: 1287 #ifdef INET6 1288 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1289 cnt += sizeof(struct sockaddr_in6); 1290 else 1291 cnt += sizeof(struct sockaddr_in); 1292 #else 1293 cnt += sizeof(struct sockaddr_in); 1294 #endif 1295 break; 1296 #endif 1297 #ifdef INET6 1298 case AF_INET6: 1299 cnt += sizeof(struct sockaddr_in6); 1300 break; 1301 #endif 1302 default: 1303 break; 1304 } 1305 } 1306 } 1307 } else { 1308 struct sctp_laddr *laddr; 1309 1310 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1311 switch (laddr->ifa->address.sa.sa_family) { 1312 #ifdef INET 1313 case AF_INET: 1314 #ifdef INET6 1315 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1316 cnt += sizeof(struct sockaddr_in6); 1317 else 1318 cnt += sizeof(struct sockaddr_in); 1319 #else 1320 cnt += sizeof(struct sockaddr_in); 1321 #endif 1322 break; 1323 #endif 1324 #ifdef INET6 1325 case AF_INET6: 1326 cnt += sizeof(struct sockaddr_in6); 1327 break; 1328 #endif 1329 default: 1330 break; 1331 } 1332 } 1333 } 1334 return (cnt); 1335 } 1336 1337 static int 1338 sctp_count_max_addresses(struct sctp_inpcb *inp) 1339 { 1340 int cnt = 0; 1341 1342 SCTP_IPI_ADDR_RLOCK(); 1343 /* count addresses for the endpoint's default VRF */ 1344 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1345 SCTP_IPI_ADDR_RUNLOCK(); 1346 return (cnt); 1347 } 1348 1349 static int 1350 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1351 size_t optsize, void *p, int delay) 1352 { 1353 int error; 1354 int creat_lock_on = 0; 1355 struct sctp_tcb *stcb = NULL; 1356 struct sockaddr *sa; 1357 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1358 uint32_t vrf_id; 1359 sctp_assoc_t *a_id; 1360 1361 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1362 1363 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1364 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1365 /* We are already connected AND the TCP model */ 1366 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1367 return (EADDRINUSE); 1368 } 1369 1370 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1371 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1372 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1373 return (EINVAL); 1374 } 1375 1376 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1377 SCTP_INP_RLOCK(inp); 1378 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1379 SCTP_INP_RUNLOCK(inp); 1380 } 1381 if (stcb) { 1382 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1383 return (EALREADY); 1384 } 1385 SCTP_INP_INCR_REF(inp); 1386 SCTP_ASOC_CREATE_LOCK(inp); 1387 creat_lock_on = 1; 1388 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1389 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1390 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1391 error = EFAULT; 1392 goto out_now; 1393 } 1394 totaddrp = (unsigned int *)optval; 1395 totaddr = *totaddrp; 1396 sa = (struct sockaddr *)(totaddrp + 1); 1397 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1398 if (error != 0) { 1399 /* Already have or am bring up an association */ 1400 SCTP_ASOC_CREATE_UNLOCK(inp); 1401 creat_lock_on = 0; 1402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1403 goto out_now; 1404 } 1405 #ifdef INET6 1406 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1407 (num_v6 > 0)) { 1408 error = EINVAL; 1409 goto out_now; 1410 } 1411 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1412 (num_v4 > 0)) { 1413 if (SCTP_IPV6_V6ONLY(inp)) { 1414 /* 1415 * if IPV6_V6ONLY flag, ignore connections destined 1416 * to a v4 addr or v4-mapped addr 1417 */ 1418 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1419 error = EINVAL; 1420 goto out_now; 1421 } 1422 } 1423 #endif /* INET6 */ 1424 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1425 SCTP_PCB_FLAGS_UNBOUND) { 1426 /* Bind a ephemeral port */ 1427 error = sctp_inpcb_bind(so, NULL, NULL, p); 1428 if (error) { 1429 goto out_now; 1430 } 1431 } 1432 1433 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1434 vrf_id = inp->def_vrf_id; 1435 1436 1437 /* We are GOOD to go */ 1438 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1439 inp->sctp_ep.pre_open_stream_count, 1440 inp->sctp_ep.port, 1441 (struct thread *)p, 1442 SCTP_INITIALIZE_AUTH_PARAMS); 1443 if (stcb == NULL) { 1444 /* Gak! no memory */ 1445 goto out_now; 1446 } 1447 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1448 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1449 /* Set the connected flag so we can queue data */ 1450 soisconnecting(so); 1451 } 1452 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1453 /* move to second address */ 1454 switch (sa->sa_family) { 1455 #ifdef INET 1456 case AF_INET: 1457 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1458 break; 1459 #endif 1460 #ifdef INET6 1461 case AF_INET6: 1462 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1463 break; 1464 #endif 1465 default: 1466 break; 1467 } 1468 1469 error = 0; 1470 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1471 /* Fill in the return id */ 1472 if (error) { 1473 goto out_now; 1474 } 1475 a_id = (sctp_assoc_t *)optval; 1476 *a_id = sctp_get_associd(stcb); 1477 1478 if (delay) { 1479 /* doing delayed connection */ 1480 stcb->asoc.delayed_connection = 1; 1481 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1482 } else { 1483 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1484 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1485 } 1486 SCTP_TCB_UNLOCK(stcb); 1487 out_now: 1488 if (creat_lock_on) { 1489 SCTP_ASOC_CREATE_UNLOCK(inp); 1490 } 1491 SCTP_INP_DECR_REF(inp); 1492 return (error); 1493 } 1494 1495 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1496 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1497 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1498 SCTP_INP_RLOCK(inp); \ 1499 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1500 if (stcb) { \ 1501 SCTP_TCB_LOCK(stcb); \ 1502 } \ 1503 SCTP_INP_RUNLOCK(inp); \ 1504 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1505 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1506 if (stcb == NULL) { \ 1507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1508 error = ENOENT; \ 1509 break; \ 1510 } \ 1511 } else { \ 1512 stcb = NULL; \ 1513 } \ 1514 } 1515 1516 1517 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1518 if (size < sizeof(type)) { \ 1519 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1520 error = EINVAL; \ 1521 break; \ 1522 } else { \ 1523 destp = (type *)srcp; \ 1524 } \ 1525 } 1526 1527 static int 1528 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1529 void *p) 1530 { 1531 struct sctp_inpcb *inp = NULL; 1532 int error, val = 0; 1533 struct sctp_tcb *stcb = NULL; 1534 1535 if (optval == NULL) { 1536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1537 return (EINVAL); 1538 } 1539 1540 inp = (struct sctp_inpcb *)so->so_pcb; 1541 if (inp == NULL) { 1542 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1543 return EINVAL; 1544 } 1545 error = 0; 1546 1547 switch (optname) { 1548 case SCTP_NODELAY: 1549 case SCTP_AUTOCLOSE: 1550 case SCTP_EXPLICIT_EOR: 1551 case SCTP_AUTO_ASCONF: 1552 case SCTP_DISABLE_FRAGMENTS: 1553 case SCTP_I_WANT_MAPPED_V4_ADDR: 1554 case SCTP_USE_EXT_RCVINFO: 1555 SCTP_INP_RLOCK(inp); 1556 switch (optname) { 1557 case SCTP_DISABLE_FRAGMENTS: 1558 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1559 break; 1560 case SCTP_I_WANT_MAPPED_V4_ADDR: 1561 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1562 break; 1563 case SCTP_AUTO_ASCONF: 1564 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1565 /* only valid for bound all sockets */ 1566 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1567 } else { 1568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1569 error = EINVAL; 1570 goto flags_out; 1571 } 1572 break; 1573 case SCTP_EXPLICIT_EOR: 1574 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1575 break; 1576 case SCTP_NODELAY: 1577 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1578 break; 1579 case SCTP_USE_EXT_RCVINFO: 1580 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1581 break; 1582 case SCTP_AUTOCLOSE: 1583 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1584 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1585 else 1586 val = 0; 1587 break; 1588 1589 default: 1590 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1591 error = ENOPROTOOPT; 1592 } /* end switch (sopt->sopt_name) */ 1593 if (*optsize < sizeof(val)) { 1594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1595 error = EINVAL; 1596 } 1597 flags_out: 1598 SCTP_INP_RUNLOCK(inp); 1599 if (error == 0) { 1600 /* return the option value */ 1601 *(int *)optval = val; 1602 *optsize = sizeof(val); 1603 } 1604 break; 1605 case SCTP_GET_PACKET_LOG: 1606 { 1607 #ifdef SCTP_PACKET_LOGGING 1608 uint8_t *target; 1609 int ret; 1610 1611 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1612 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1613 *optsize = ret; 1614 #else 1615 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1616 error = EOPNOTSUPP; 1617 #endif 1618 break; 1619 } 1620 case SCTP_REUSE_PORT: 1621 { 1622 uint32_t *value; 1623 1624 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1625 /* Can't do this for a 1-m socket */ 1626 error = EINVAL; 1627 break; 1628 } 1629 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1630 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1631 *optsize = sizeof(uint32_t); 1632 break; 1633 } 1634 case SCTP_PARTIAL_DELIVERY_POINT: 1635 { 1636 uint32_t *value; 1637 1638 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1639 *value = inp->partial_delivery_point; 1640 *optsize = sizeof(uint32_t); 1641 break; 1642 } 1643 case SCTP_FRAGMENT_INTERLEAVE: 1644 { 1645 uint32_t *value; 1646 1647 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1648 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1649 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1650 *value = SCTP_FRAG_LEVEL_2; 1651 } else { 1652 *value = SCTP_FRAG_LEVEL_1; 1653 } 1654 } else { 1655 *value = SCTP_FRAG_LEVEL_0; 1656 } 1657 *optsize = sizeof(uint32_t); 1658 break; 1659 } 1660 case SCTP_INTERLEAVING_SUPPORTED: 1661 { 1662 struct sctp_assoc_value *av; 1663 1664 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1665 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1666 1667 if (stcb) { 1668 av->assoc_value = stcb->asoc.idata_supported; 1669 SCTP_TCB_UNLOCK(stcb); 1670 } else { 1671 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1672 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1673 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1674 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1675 SCTP_INP_RLOCK(inp); 1676 if (inp->idata_supported) { 1677 av->assoc_value = 1; 1678 } else { 1679 av->assoc_value = 0; 1680 } 1681 SCTP_INP_RUNLOCK(inp); 1682 } else { 1683 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1684 error = EINVAL; 1685 } 1686 } 1687 if (error == 0) { 1688 *optsize = sizeof(struct sctp_assoc_value); 1689 } 1690 break; 1691 } 1692 case SCTP_CMT_ON_OFF: 1693 { 1694 struct sctp_assoc_value *av; 1695 1696 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1697 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1698 if (stcb) { 1699 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1700 SCTP_TCB_UNLOCK(stcb); 1701 } else { 1702 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1703 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1704 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1705 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1706 SCTP_INP_RLOCK(inp); 1707 av->assoc_value = inp->sctp_cmt_on_off; 1708 SCTP_INP_RUNLOCK(inp); 1709 } else { 1710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1711 error = EINVAL; 1712 } 1713 } 1714 if (error == 0) { 1715 *optsize = sizeof(struct sctp_assoc_value); 1716 } 1717 break; 1718 } 1719 case SCTP_PLUGGABLE_CC: 1720 { 1721 struct sctp_assoc_value *av; 1722 1723 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1724 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1725 if (stcb) { 1726 av->assoc_value = stcb->asoc.congestion_control_module; 1727 SCTP_TCB_UNLOCK(stcb); 1728 } else { 1729 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1730 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1731 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1732 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1733 SCTP_INP_RLOCK(inp); 1734 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1735 SCTP_INP_RUNLOCK(inp); 1736 } else { 1737 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1738 error = EINVAL; 1739 } 1740 } 1741 if (error == 0) { 1742 *optsize = sizeof(struct sctp_assoc_value); 1743 } 1744 break; 1745 } 1746 case SCTP_CC_OPTION: 1747 { 1748 struct sctp_cc_option *cc_opt; 1749 1750 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1751 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1752 if (stcb == NULL) { 1753 error = EINVAL; 1754 } else { 1755 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1756 error = ENOTSUP; 1757 } else { 1758 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1759 *optsize = sizeof(struct sctp_cc_option); 1760 } 1761 SCTP_TCB_UNLOCK(stcb); 1762 } 1763 break; 1764 } 1765 case SCTP_PLUGGABLE_SS: 1766 { 1767 struct sctp_assoc_value *av; 1768 1769 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1770 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1771 if (stcb) { 1772 av->assoc_value = stcb->asoc.stream_scheduling_module; 1773 SCTP_TCB_UNLOCK(stcb); 1774 } else { 1775 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1776 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1777 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1778 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1779 SCTP_INP_RLOCK(inp); 1780 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1781 SCTP_INP_RUNLOCK(inp); 1782 } else { 1783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1784 error = EINVAL; 1785 } 1786 } 1787 if (error == 0) { 1788 *optsize = sizeof(struct sctp_assoc_value); 1789 } 1790 break; 1791 } 1792 case SCTP_SS_VALUE: 1793 { 1794 struct sctp_stream_value *av; 1795 1796 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1797 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1798 if (stcb) { 1799 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1800 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1801 &av->stream_value) < 0)) { 1802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1803 error = EINVAL; 1804 } else { 1805 *optsize = sizeof(struct sctp_stream_value); 1806 } 1807 SCTP_TCB_UNLOCK(stcb); 1808 } else { 1809 /* 1810 * Can't get stream value without 1811 * association 1812 */ 1813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1814 error = EINVAL; 1815 } 1816 break; 1817 } 1818 case SCTP_GET_ADDR_LEN: 1819 { 1820 struct sctp_assoc_value *av; 1821 1822 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1823 error = EINVAL; 1824 #ifdef INET 1825 if (av->assoc_value == AF_INET) { 1826 av->assoc_value = sizeof(struct sockaddr_in); 1827 error = 0; 1828 } 1829 #endif 1830 #ifdef INET6 1831 if (av->assoc_value == AF_INET6) { 1832 av->assoc_value = sizeof(struct sockaddr_in6); 1833 error = 0; 1834 } 1835 #endif 1836 if (error) { 1837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1838 } else { 1839 *optsize = sizeof(struct sctp_assoc_value); 1840 } 1841 break; 1842 } 1843 case SCTP_GET_ASSOC_NUMBER: 1844 { 1845 uint32_t *value, cnt; 1846 1847 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1848 SCTP_INP_RLOCK(inp); 1849 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1850 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1851 /* Can't do this for a 1-1 socket */ 1852 error = EINVAL; 1853 SCTP_INP_RUNLOCK(inp); 1854 break; 1855 } 1856 cnt = 0; 1857 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1858 cnt++; 1859 } 1860 SCTP_INP_RUNLOCK(inp); 1861 *value = cnt; 1862 *optsize = sizeof(uint32_t); 1863 break; 1864 } 1865 case SCTP_GET_ASSOC_ID_LIST: 1866 { 1867 struct sctp_assoc_ids *ids; 1868 uint32_t at; 1869 size_t limit; 1870 1871 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1872 SCTP_INP_RLOCK(inp); 1873 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1874 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1875 /* Can't do this for a 1-1 socket */ 1876 error = EINVAL; 1877 SCTP_INP_RUNLOCK(inp); 1878 break; 1879 } 1880 at = 0; 1881 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1882 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1883 if (at < limit) { 1884 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1885 if (at == 0) { 1886 error = EINVAL; 1887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1888 break; 1889 } 1890 } else { 1891 error = EINVAL; 1892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1893 break; 1894 } 1895 } 1896 SCTP_INP_RUNLOCK(inp); 1897 if (error == 0) { 1898 ids->gaids_number_of_ids = at; 1899 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1900 } 1901 break; 1902 } 1903 case SCTP_CONTEXT: 1904 { 1905 struct sctp_assoc_value *av; 1906 1907 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1908 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1909 1910 if (stcb) { 1911 av->assoc_value = stcb->asoc.context; 1912 SCTP_TCB_UNLOCK(stcb); 1913 } else { 1914 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1915 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1916 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1917 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1918 SCTP_INP_RLOCK(inp); 1919 av->assoc_value = inp->sctp_context; 1920 SCTP_INP_RUNLOCK(inp); 1921 } else { 1922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1923 error = EINVAL; 1924 } 1925 } 1926 if (error == 0) { 1927 *optsize = sizeof(struct sctp_assoc_value); 1928 } 1929 break; 1930 } 1931 case SCTP_VRF_ID: 1932 { 1933 uint32_t *default_vrfid; 1934 1935 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1936 *default_vrfid = inp->def_vrf_id; 1937 *optsize = sizeof(uint32_t); 1938 break; 1939 } 1940 case SCTP_GET_ASOC_VRF: 1941 { 1942 struct sctp_assoc_value *id; 1943 1944 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1945 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1946 if (stcb == NULL) { 1947 error = EINVAL; 1948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1949 } else { 1950 id->assoc_value = stcb->asoc.vrf_id; 1951 SCTP_TCB_UNLOCK(stcb); 1952 *optsize = sizeof(struct sctp_assoc_value); 1953 } 1954 break; 1955 } 1956 case SCTP_GET_VRF_IDS: 1957 { 1958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1959 error = EOPNOTSUPP; 1960 break; 1961 } 1962 case SCTP_GET_NONCE_VALUES: 1963 { 1964 struct sctp_get_nonce_values *gnv; 1965 1966 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1967 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1968 1969 if (stcb) { 1970 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1971 gnv->gn_local_tag = stcb->asoc.my_vtag; 1972 SCTP_TCB_UNLOCK(stcb); 1973 *optsize = sizeof(struct sctp_get_nonce_values); 1974 } else { 1975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1976 error = ENOTCONN; 1977 } 1978 break; 1979 } 1980 case SCTP_DELAYED_SACK: 1981 { 1982 struct sctp_sack_info *sack; 1983 1984 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1985 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1986 if (stcb) { 1987 sack->sack_delay = stcb->asoc.delayed_ack; 1988 sack->sack_freq = stcb->asoc.sack_freq; 1989 SCTP_TCB_UNLOCK(stcb); 1990 } else { 1991 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1992 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1993 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1994 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1995 SCTP_INP_RLOCK(inp); 1996 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1997 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1998 SCTP_INP_RUNLOCK(inp); 1999 } else { 2000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2001 error = EINVAL; 2002 } 2003 } 2004 if (error == 0) { 2005 *optsize = sizeof(struct sctp_sack_info); 2006 } 2007 break; 2008 } 2009 case SCTP_GET_SNDBUF_USE: 2010 { 2011 struct sctp_sockstat *ss; 2012 2013 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2014 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2015 2016 if (stcb) { 2017 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2018 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2019 stcb->asoc.size_on_all_streams); 2020 SCTP_TCB_UNLOCK(stcb); 2021 *optsize = sizeof(struct sctp_sockstat); 2022 } else { 2023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2024 error = ENOTCONN; 2025 } 2026 break; 2027 } 2028 case SCTP_MAX_BURST: 2029 { 2030 struct sctp_assoc_value *av; 2031 2032 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2033 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2034 2035 if (stcb) { 2036 av->assoc_value = stcb->asoc.max_burst; 2037 SCTP_TCB_UNLOCK(stcb); 2038 } else { 2039 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2040 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2041 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2042 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2043 SCTP_INP_RLOCK(inp); 2044 av->assoc_value = inp->sctp_ep.max_burst; 2045 SCTP_INP_RUNLOCK(inp); 2046 } else { 2047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2048 error = EINVAL; 2049 } 2050 } 2051 if (error == 0) { 2052 *optsize = sizeof(struct sctp_assoc_value); 2053 } 2054 break; 2055 } 2056 case SCTP_MAXSEG: 2057 { 2058 struct sctp_assoc_value *av; 2059 int ovh; 2060 2061 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2062 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2063 2064 if (stcb) { 2065 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2066 SCTP_TCB_UNLOCK(stcb); 2067 } else { 2068 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2069 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2070 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2071 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2072 SCTP_INP_RLOCK(inp); 2073 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2074 ovh = SCTP_MED_OVERHEAD; 2075 } else { 2076 ovh = SCTP_MED_V4_OVERHEAD; 2077 } 2078 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2079 av->assoc_value = 0; 2080 else 2081 av->assoc_value = inp->sctp_frag_point - ovh; 2082 SCTP_INP_RUNLOCK(inp); 2083 } else { 2084 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2085 error = EINVAL; 2086 } 2087 } 2088 if (error == 0) { 2089 *optsize = sizeof(struct sctp_assoc_value); 2090 } 2091 break; 2092 } 2093 case SCTP_GET_STAT_LOG: 2094 error = sctp_fill_stat_log(optval, optsize); 2095 break; 2096 case SCTP_EVENTS: 2097 { 2098 struct sctp_event_subscribe *events; 2099 2100 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2101 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2102 SCTP_INP_RLOCK(inp); 2103 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2104 events->sctp_data_io_event = 1; 2105 2106 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2107 events->sctp_association_event = 1; 2108 2109 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2110 events->sctp_address_event = 1; 2111 2112 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2113 events->sctp_send_failure_event = 1; 2114 2115 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2116 events->sctp_peer_error_event = 1; 2117 2118 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2119 events->sctp_shutdown_event = 1; 2120 2121 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2122 events->sctp_partial_delivery_event = 1; 2123 2124 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2125 events->sctp_adaptation_layer_event = 1; 2126 2127 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2128 events->sctp_authentication_event = 1; 2129 2130 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2131 events->sctp_sender_dry_event = 1; 2132 2133 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2134 events->sctp_stream_reset_event = 1; 2135 SCTP_INP_RUNLOCK(inp); 2136 *optsize = sizeof(struct sctp_event_subscribe); 2137 break; 2138 } 2139 case SCTP_ADAPTATION_LAYER: 2140 { 2141 uint32_t *value; 2142 2143 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2144 2145 SCTP_INP_RLOCK(inp); 2146 *value = inp->sctp_ep.adaptation_layer_indicator; 2147 SCTP_INP_RUNLOCK(inp); 2148 *optsize = sizeof(uint32_t); 2149 break; 2150 } 2151 case SCTP_SET_INITIAL_DBG_SEQ: 2152 { 2153 uint32_t *value; 2154 2155 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2156 SCTP_INP_RLOCK(inp); 2157 *value = inp->sctp_ep.initial_sequence_debug; 2158 SCTP_INP_RUNLOCK(inp); 2159 *optsize = sizeof(uint32_t); 2160 break; 2161 } 2162 case SCTP_GET_LOCAL_ADDR_SIZE: 2163 { 2164 uint32_t *value; 2165 2166 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2167 SCTP_INP_RLOCK(inp); 2168 *value = sctp_count_max_addresses(inp); 2169 SCTP_INP_RUNLOCK(inp); 2170 *optsize = sizeof(uint32_t); 2171 break; 2172 } 2173 case SCTP_GET_REMOTE_ADDR_SIZE: 2174 { 2175 uint32_t *value; 2176 size_t size; 2177 struct sctp_nets *net; 2178 2179 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2180 /* FIXME MT: change to sctp_assoc_value? */ 2181 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2182 2183 if (stcb) { 2184 size = 0; 2185 /* Count the sizes */ 2186 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2187 switch (net->ro._l_addr.sa.sa_family) { 2188 #ifdef INET 2189 case AF_INET: 2190 #ifdef INET6 2191 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2192 size += sizeof(struct sockaddr_in6); 2193 } else { 2194 size += sizeof(struct sockaddr_in); 2195 } 2196 #else 2197 size += sizeof(struct sockaddr_in); 2198 #endif 2199 break; 2200 #endif 2201 #ifdef INET6 2202 case AF_INET6: 2203 size += sizeof(struct sockaddr_in6); 2204 break; 2205 #endif 2206 default: 2207 break; 2208 } 2209 } 2210 SCTP_TCB_UNLOCK(stcb); 2211 *value = (uint32_t)size; 2212 *optsize = sizeof(uint32_t); 2213 } else { 2214 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2215 error = ENOTCONN; 2216 } 2217 break; 2218 } 2219 case SCTP_GET_PEER_ADDRESSES: 2220 /* 2221 * Get the address information, an array is passed in to 2222 * fill up we pack it. 2223 */ 2224 { 2225 size_t cpsz, left; 2226 struct sockaddr *addr; 2227 struct sctp_nets *net; 2228 struct sctp_getaddresses *saddr; 2229 2230 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2231 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2232 2233 if (stcb) { 2234 left = *optsize - offsetof(struct sctp_getaddresses, addr); 2235 *optsize = offsetof(struct sctp_getaddresses, addr); 2236 addr = &saddr->addr[0].sa; 2237 2238 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2239 switch (net->ro._l_addr.sa.sa_family) { 2240 #ifdef INET 2241 case AF_INET: 2242 #ifdef INET6 2243 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2244 cpsz = sizeof(struct sockaddr_in6); 2245 } else { 2246 cpsz = sizeof(struct sockaddr_in); 2247 } 2248 #else 2249 cpsz = sizeof(struct sockaddr_in); 2250 #endif 2251 break; 2252 #endif 2253 #ifdef INET6 2254 case AF_INET6: 2255 cpsz = sizeof(struct sockaddr_in6); 2256 break; 2257 #endif 2258 default: 2259 cpsz = 0; 2260 break; 2261 } 2262 if (cpsz == 0) { 2263 break; 2264 } 2265 if (left < cpsz) { 2266 /* not enough room. */ 2267 break; 2268 } 2269 #if defined(INET) && defined(INET6) 2270 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2271 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2272 /* Must map the address */ 2273 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2274 (struct sockaddr_in6 *)&addr); 2275 } else { 2276 memcpy(addr, &net->ro._l_addr, cpsz); 2277 } 2278 #else 2279 memcpy(addr, &net->ro._l_addr, cpsz); 2280 #endif 2281 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2282 2283 addr = (struct sockaddr *)((caddr_t)addr + cpsz); 2284 left -= cpsz; 2285 *optsize += cpsz; 2286 } 2287 SCTP_TCB_UNLOCK(stcb); 2288 } else { 2289 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2290 error = ENOENT; 2291 } 2292 break; 2293 } 2294 case SCTP_GET_LOCAL_ADDRESSES: 2295 { 2296 size_t limit, actual; 2297 struct sctp_getaddresses *saddr; 2298 2299 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2300 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2301 2302 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2303 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2304 if (stcb) { 2305 SCTP_TCB_UNLOCK(stcb); 2306 } 2307 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2308 break; 2309 } 2310 case SCTP_PEER_ADDR_PARAMS: 2311 { 2312 struct sctp_paddrparams *paddrp; 2313 struct sctp_nets *net; 2314 struct sockaddr *addr; 2315 #if defined(INET) && defined(INET6) 2316 struct sockaddr_in sin_store; 2317 #endif 2318 2319 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2320 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2321 2322 #if defined(INET) && defined(INET6) 2323 if (paddrp->spp_address.ss_family == AF_INET6) { 2324 struct sockaddr_in6 *sin6; 2325 2326 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2327 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2328 in6_sin6_2_sin(&sin_store, sin6); 2329 addr = (struct sockaddr *)&sin_store; 2330 } else { 2331 addr = (struct sockaddr *)&paddrp->spp_address; 2332 } 2333 } else { 2334 addr = (struct sockaddr *)&paddrp->spp_address; 2335 } 2336 #else 2337 addr = (struct sockaddr *)&paddrp->spp_address; 2338 #endif 2339 if (stcb != NULL) { 2340 net = sctp_findnet(stcb, addr); 2341 } else { 2342 /* 2343 * We increment here since 2344 * sctp_findassociation_ep_addr() wil do a 2345 * decrement if it finds the stcb as long as 2346 * the locked tcb (last argument) is NOT a 2347 * TCB.. aka NULL. 2348 */ 2349 net = NULL; 2350 SCTP_INP_INCR_REF(inp); 2351 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2352 if (stcb == NULL) { 2353 SCTP_INP_DECR_REF(inp); 2354 } 2355 } 2356 if ((stcb != NULL) && (net == NULL)) { 2357 #ifdef INET 2358 if (addr->sa_family == AF_INET) { 2359 struct sockaddr_in *sin; 2360 2361 sin = (struct sockaddr_in *)addr; 2362 if (sin->sin_addr.s_addr != INADDR_ANY) { 2363 error = EINVAL; 2364 SCTP_TCB_UNLOCK(stcb); 2365 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2366 break; 2367 } 2368 } else 2369 #endif 2370 #ifdef INET6 2371 if (addr->sa_family == AF_INET6) { 2372 struct sockaddr_in6 *sin6; 2373 2374 sin6 = (struct sockaddr_in6 *)addr; 2375 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2376 error = EINVAL; 2377 SCTP_TCB_UNLOCK(stcb); 2378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2379 break; 2380 } 2381 } else 2382 #endif 2383 { 2384 error = EAFNOSUPPORT; 2385 SCTP_TCB_UNLOCK(stcb); 2386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2387 break; 2388 } 2389 } 2390 2391 if (stcb != NULL) { 2392 /* Applies to the specific association */ 2393 paddrp->spp_flags = 0; 2394 if (net != NULL) { 2395 paddrp->spp_hbinterval = net->heart_beat_delay; 2396 paddrp->spp_pathmaxrxt = net->failure_threshold; 2397 paddrp->spp_pathmtu = net->mtu; 2398 switch (net->ro._l_addr.sa.sa_family) { 2399 #ifdef INET 2400 case AF_INET: 2401 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2402 break; 2403 #endif 2404 #ifdef INET6 2405 case AF_INET6: 2406 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2407 break; 2408 #endif 2409 default: 2410 break; 2411 } 2412 /* get flags for HB */ 2413 if (net->dest_state & SCTP_ADDR_NOHB) { 2414 paddrp->spp_flags |= SPP_HB_DISABLE; 2415 } else { 2416 paddrp->spp_flags |= SPP_HB_ENABLE; 2417 } 2418 /* get flags for PMTU */ 2419 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2420 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2421 } else { 2422 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2423 } 2424 if (net->dscp & 0x01) { 2425 paddrp->spp_dscp = net->dscp & 0xfc; 2426 paddrp->spp_flags |= SPP_DSCP; 2427 } 2428 #ifdef INET6 2429 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2430 (net->flowlabel & 0x80000000)) { 2431 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2432 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2433 } 2434 #endif 2435 } else { 2436 /* 2437 * No destination so return default 2438 * value 2439 */ 2440 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2441 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2442 if (stcb->asoc.default_dscp & 0x01) { 2443 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2444 paddrp->spp_flags |= SPP_DSCP; 2445 } 2446 #ifdef INET6 2447 if (stcb->asoc.default_flowlabel & 0x80000000) { 2448 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2449 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2450 } 2451 #endif 2452 /* default settings should be these */ 2453 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2454 paddrp->spp_flags |= SPP_HB_DISABLE; 2455 } else { 2456 paddrp->spp_flags |= SPP_HB_ENABLE; 2457 } 2458 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2459 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2460 } else { 2461 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2462 } 2463 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2464 } 2465 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2466 SCTP_TCB_UNLOCK(stcb); 2467 } else { 2468 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2469 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2470 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2471 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2472 /* Use endpoint defaults */ 2473 SCTP_INP_RLOCK(inp); 2474 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2475 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2476 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2477 /* get inp's default */ 2478 if (inp->sctp_ep.default_dscp & 0x01) { 2479 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2480 paddrp->spp_flags |= SPP_DSCP; 2481 } 2482 #ifdef INET6 2483 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2484 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2485 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2486 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2487 } 2488 #endif 2489 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2490 2491 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2492 paddrp->spp_flags |= SPP_HB_ENABLE; 2493 } else { 2494 paddrp->spp_flags |= SPP_HB_DISABLE; 2495 } 2496 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2497 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2498 } else { 2499 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2500 } 2501 SCTP_INP_RUNLOCK(inp); 2502 } else { 2503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2504 error = EINVAL; 2505 } 2506 } 2507 if (error == 0) { 2508 *optsize = sizeof(struct sctp_paddrparams); 2509 } 2510 break; 2511 } 2512 case SCTP_GET_PEER_ADDR_INFO: 2513 { 2514 struct sctp_paddrinfo *paddri; 2515 struct sctp_nets *net; 2516 struct sockaddr *addr; 2517 #if defined(INET) && defined(INET6) 2518 struct sockaddr_in sin_store; 2519 #endif 2520 2521 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2522 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2523 2524 #if defined(INET) && defined(INET6) 2525 if (paddri->spinfo_address.ss_family == AF_INET6) { 2526 struct sockaddr_in6 *sin6; 2527 2528 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2529 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2530 in6_sin6_2_sin(&sin_store, sin6); 2531 addr = (struct sockaddr *)&sin_store; 2532 } else { 2533 addr = (struct sockaddr *)&paddri->spinfo_address; 2534 } 2535 } else { 2536 addr = (struct sockaddr *)&paddri->spinfo_address; 2537 } 2538 #else 2539 addr = (struct sockaddr *)&paddri->spinfo_address; 2540 #endif 2541 if (stcb != NULL) { 2542 net = sctp_findnet(stcb, addr); 2543 } else { 2544 /* 2545 * We increment here since 2546 * sctp_findassociation_ep_addr() wil do a 2547 * decrement if it finds the stcb as long as 2548 * the locked tcb (last argument) is NOT a 2549 * TCB.. aka NULL. 2550 */ 2551 net = NULL; 2552 SCTP_INP_INCR_REF(inp); 2553 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2554 if (stcb == NULL) { 2555 SCTP_INP_DECR_REF(inp); 2556 } 2557 } 2558 2559 if ((stcb != NULL) && (net != NULL)) { 2560 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2561 /* It's unconfirmed */ 2562 paddri->spinfo_state = SCTP_UNCONFIRMED; 2563 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2564 /* It's active */ 2565 paddri->spinfo_state = SCTP_ACTIVE; 2566 } else { 2567 /* It's inactive */ 2568 paddri->spinfo_state = SCTP_INACTIVE; 2569 } 2570 paddri->spinfo_cwnd = net->cwnd; 2571 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2572 paddri->spinfo_rto = net->RTO; 2573 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2574 paddri->spinfo_mtu = net->mtu; 2575 switch (addr->sa_family) { 2576 #if defined(INET) 2577 case AF_INET: 2578 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2579 break; 2580 #endif 2581 #if defined(INET6) 2582 case AF_INET6: 2583 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2584 break; 2585 #endif 2586 default: 2587 break; 2588 } 2589 SCTP_TCB_UNLOCK(stcb); 2590 *optsize = sizeof(struct sctp_paddrinfo); 2591 } else { 2592 if (stcb != NULL) { 2593 SCTP_TCB_UNLOCK(stcb); 2594 } 2595 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2596 error = ENOENT; 2597 } 2598 break; 2599 } 2600 case SCTP_PCB_STATUS: 2601 { 2602 struct sctp_pcbinfo *spcb; 2603 2604 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2605 sctp_fill_pcbinfo(spcb); 2606 *optsize = sizeof(struct sctp_pcbinfo); 2607 break; 2608 } 2609 case SCTP_STATUS: 2610 { 2611 struct sctp_nets *net; 2612 struct sctp_status *sstat; 2613 2614 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2615 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2616 2617 if (stcb == NULL) { 2618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2619 error = EINVAL; 2620 break; 2621 } 2622 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2623 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2624 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2625 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2626 /* 2627 * We can't include chunks that have been passed to 2628 * the socket layer. Only things in queue. 2629 */ 2630 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2631 stcb->asoc.cnt_on_all_streams); 2632 2633 2634 sstat->sstat_instrms = stcb->asoc.streamincnt; 2635 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2636 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2637 net = stcb->asoc.primary_destination; 2638 if (net != NULL) { 2639 memcpy(&sstat->sstat_primary.spinfo_address, 2640 &net->ro._l_addr, 2641 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2642 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2643 /* 2644 * Again the user can get info from 2645 * sctp_constants.h for what the state of 2646 * the network is. 2647 */ 2648 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2649 /* It's unconfirmed */ 2650 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2651 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2652 /* It's active */ 2653 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2654 } else { 2655 /* It's inactive */ 2656 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2657 } 2658 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2659 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2660 sstat->sstat_primary.spinfo_rto = net->RTO; 2661 sstat->sstat_primary.spinfo_mtu = net->mtu; 2662 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2663 #if defined(INET) 2664 case AF_INET: 2665 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2666 break; 2667 #endif 2668 #if defined(INET6) 2669 case AF_INET6: 2670 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2671 break; 2672 #endif 2673 default: 2674 break; 2675 } 2676 } else { 2677 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2678 } 2679 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2680 SCTP_TCB_UNLOCK(stcb); 2681 *optsize = sizeof(struct sctp_status); 2682 break; 2683 } 2684 case SCTP_RTOINFO: 2685 { 2686 struct sctp_rtoinfo *srto; 2687 2688 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2689 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2690 2691 if (stcb) { 2692 srto->srto_initial = stcb->asoc.initial_rto; 2693 srto->srto_max = stcb->asoc.maxrto; 2694 srto->srto_min = stcb->asoc.minrto; 2695 SCTP_TCB_UNLOCK(stcb); 2696 } else { 2697 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2698 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2699 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2700 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2701 SCTP_INP_RLOCK(inp); 2702 srto->srto_initial = inp->sctp_ep.initial_rto; 2703 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2704 srto->srto_min = inp->sctp_ep.sctp_minrto; 2705 SCTP_INP_RUNLOCK(inp); 2706 } else { 2707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2708 error = EINVAL; 2709 } 2710 } 2711 if (error == 0) { 2712 *optsize = sizeof(struct sctp_rtoinfo); 2713 } 2714 break; 2715 } 2716 case SCTP_TIMEOUTS: 2717 { 2718 struct sctp_timeouts *stimo; 2719 2720 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2721 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2722 2723 if (stcb) { 2724 stimo->stimo_init = stcb->asoc.timoinit; 2725 stimo->stimo_data = stcb->asoc.timodata; 2726 stimo->stimo_sack = stcb->asoc.timosack; 2727 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2728 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2729 stimo->stimo_cookie = stcb->asoc.timocookie; 2730 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2731 SCTP_TCB_UNLOCK(stcb); 2732 *optsize = sizeof(struct sctp_timeouts); 2733 } else { 2734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2735 error = EINVAL; 2736 } 2737 break; 2738 } 2739 case SCTP_ASSOCINFO: 2740 { 2741 struct sctp_assocparams *sasoc; 2742 2743 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2744 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2745 2746 if (stcb) { 2747 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2748 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2749 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2750 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2751 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2752 SCTP_TCB_UNLOCK(stcb); 2753 } else { 2754 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2755 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2756 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2757 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2758 SCTP_INP_RLOCK(inp); 2759 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2760 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2761 sasoc->sasoc_number_peer_destinations = 0; 2762 sasoc->sasoc_peer_rwnd = 0; 2763 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2764 SCTP_INP_RUNLOCK(inp); 2765 } else { 2766 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2767 error = EINVAL; 2768 } 2769 } 2770 if (error == 0) { 2771 *optsize = sizeof(struct sctp_assocparams); 2772 } 2773 break; 2774 } 2775 case SCTP_DEFAULT_SEND_PARAM: 2776 { 2777 struct sctp_sndrcvinfo *s_info; 2778 2779 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2780 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2781 2782 if (stcb) { 2783 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2784 SCTP_TCB_UNLOCK(stcb); 2785 } else { 2786 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2787 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2788 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2789 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2790 SCTP_INP_RLOCK(inp); 2791 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2792 SCTP_INP_RUNLOCK(inp); 2793 } else { 2794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2795 error = EINVAL; 2796 } 2797 } 2798 if (error == 0) { 2799 *optsize = sizeof(struct sctp_sndrcvinfo); 2800 } 2801 break; 2802 } 2803 case SCTP_INITMSG: 2804 { 2805 struct sctp_initmsg *sinit; 2806 2807 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2808 SCTP_INP_RLOCK(inp); 2809 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2810 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2811 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2812 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2813 SCTP_INP_RUNLOCK(inp); 2814 *optsize = sizeof(struct sctp_initmsg); 2815 break; 2816 } 2817 case SCTP_PRIMARY_ADDR: 2818 /* we allow a "get" operation on this */ 2819 { 2820 struct sctp_setprim *ssp; 2821 2822 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2823 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2824 2825 if (stcb) { 2826 union sctp_sockstore *addr; 2827 2828 addr = &stcb->asoc.primary_destination->ro._l_addr; 2829 switch (addr->sa.sa_family) { 2830 #ifdef INET 2831 case AF_INET: 2832 #ifdef INET6 2833 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2834 in6_sin_2_v4mapsin6(&addr->sin, 2835 (struct sockaddr_in6 *)&ssp->ssp_addr); 2836 } else { 2837 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2838 } 2839 #else 2840 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2841 #endif 2842 break; 2843 #endif 2844 #ifdef INET6 2845 case AF_INET6: 2846 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2847 break; 2848 #endif 2849 default: 2850 break; 2851 } 2852 SCTP_TCB_UNLOCK(stcb); 2853 *optsize = sizeof(struct sctp_setprim); 2854 } else { 2855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2856 error = EINVAL; 2857 } 2858 break; 2859 } 2860 case SCTP_HMAC_IDENT: 2861 { 2862 struct sctp_hmacalgo *shmac; 2863 sctp_hmaclist_t *hmaclist; 2864 uint32_t size; 2865 int i; 2866 2867 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2868 2869 SCTP_INP_RLOCK(inp); 2870 hmaclist = inp->sctp_ep.local_hmacs; 2871 if (hmaclist == NULL) { 2872 /* no HMACs to return */ 2873 *optsize = sizeof(*shmac); 2874 SCTP_INP_RUNLOCK(inp); 2875 break; 2876 } 2877 /* is there room for all of the hmac ids? */ 2878 size = sizeof(*shmac) + (hmaclist->num_algo * 2879 sizeof(shmac->shmac_idents[0])); 2880 if ((size_t)(*optsize) < size) { 2881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2882 error = EINVAL; 2883 SCTP_INP_RUNLOCK(inp); 2884 break; 2885 } 2886 /* copy in the list */ 2887 shmac->shmac_number_of_idents = hmaclist->num_algo; 2888 for (i = 0; i < hmaclist->num_algo; i++) { 2889 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2890 } 2891 SCTP_INP_RUNLOCK(inp); 2892 *optsize = size; 2893 break; 2894 } 2895 case SCTP_AUTH_ACTIVE_KEY: 2896 { 2897 struct sctp_authkeyid *scact; 2898 2899 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2900 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2901 2902 if (stcb) { 2903 /* get the active key on the assoc */ 2904 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2905 SCTP_TCB_UNLOCK(stcb); 2906 } else { 2907 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2908 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2909 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2910 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2911 /* get the endpoint active key */ 2912 SCTP_INP_RLOCK(inp); 2913 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2914 SCTP_INP_RUNLOCK(inp); 2915 } else { 2916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2917 error = EINVAL; 2918 } 2919 } 2920 if (error == 0) { 2921 *optsize = sizeof(struct sctp_authkeyid); 2922 } 2923 break; 2924 } 2925 case SCTP_LOCAL_AUTH_CHUNKS: 2926 { 2927 struct sctp_authchunks *sac; 2928 sctp_auth_chklist_t *chklist = NULL; 2929 size_t size = 0; 2930 2931 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2932 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2933 2934 if (stcb) { 2935 /* get off the assoc */ 2936 chklist = stcb->asoc.local_auth_chunks; 2937 /* is there enough space? */ 2938 size = sctp_auth_get_chklist_size(chklist); 2939 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2940 error = EINVAL; 2941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2942 } else { 2943 /* copy in the chunks */ 2944 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2945 sac->gauth_number_of_chunks = (uint32_t)size; 2946 *optsize = sizeof(struct sctp_authchunks) + size; 2947 } 2948 SCTP_TCB_UNLOCK(stcb); 2949 } else { 2950 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2951 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2952 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2953 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2954 /* get off the endpoint */ 2955 SCTP_INP_RLOCK(inp); 2956 chklist = inp->sctp_ep.local_auth_chunks; 2957 /* is there enough space? */ 2958 size = sctp_auth_get_chklist_size(chklist); 2959 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2960 error = EINVAL; 2961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2962 } else { 2963 /* copy in the chunks */ 2964 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2965 sac->gauth_number_of_chunks = (uint32_t)size; 2966 *optsize = sizeof(struct sctp_authchunks) + size; 2967 } 2968 SCTP_INP_RUNLOCK(inp); 2969 } else { 2970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2971 error = EINVAL; 2972 } 2973 } 2974 break; 2975 } 2976 case SCTP_PEER_AUTH_CHUNKS: 2977 { 2978 struct sctp_authchunks *sac; 2979 sctp_auth_chklist_t *chklist = NULL; 2980 size_t size = 0; 2981 2982 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2983 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2984 2985 if (stcb) { 2986 /* get off the assoc */ 2987 chklist = stcb->asoc.peer_auth_chunks; 2988 /* is there enough space? */ 2989 size = sctp_auth_get_chklist_size(chklist); 2990 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2991 error = EINVAL; 2992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2993 } else { 2994 /* copy in the chunks */ 2995 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2996 sac->gauth_number_of_chunks = (uint32_t)size; 2997 *optsize = sizeof(struct sctp_authchunks) + size; 2998 } 2999 SCTP_TCB_UNLOCK(stcb); 3000 } else { 3001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3002 error = ENOENT; 3003 } 3004 break; 3005 } 3006 case SCTP_EVENT: 3007 { 3008 struct sctp_event *event; 3009 uint32_t event_type; 3010 3011 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3012 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3013 3014 switch (event->se_type) { 3015 case SCTP_ASSOC_CHANGE: 3016 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3017 break; 3018 case SCTP_PEER_ADDR_CHANGE: 3019 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3020 break; 3021 case SCTP_REMOTE_ERROR: 3022 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3023 break; 3024 case SCTP_SEND_FAILED: 3025 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3026 break; 3027 case SCTP_SHUTDOWN_EVENT: 3028 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3029 break; 3030 case SCTP_ADAPTATION_INDICATION: 3031 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3032 break; 3033 case SCTP_PARTIAL_DELIVERY_EVENT: 3034 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3035 break; 3036 case SCTP_AUTHENTICATION_EVENT: 3037 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3038 break; 3039 case SCTP_STREAM_RESET_EVENT: 3040 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3041 break; 3042 case SCTP_SENDER_DRY_EVENT: 3043 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3044 break; 3045 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3046 event_type = 0; 3047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3048 error = ENOTSUP; 3049 break; 3050 case SCTP_ASSOC_RESET_EVENT: 3051 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3052 break; 3053 case SCTP_STREAM_CHANGE_EVENT: 3054 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3055 break; 3056 case SCTP_SEND_FAILED_EVENT: 3057 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3058 break; 3059 default: 3060 event_type = 0; 3061 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3062 error = EINVAL; 3063 break; 3064 } 3065 if (event_type > 0) { 3066 if (stcb) { 3067 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3068 } else { 3069 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3070 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3071 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3072 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3073 SCTP_INP_RLOCK(inp); 3074 event->se_on = sctp_is_feature_on(inp, event_type); 3075 SCTP_INP_RUNLOCK(inp); 3076 } else { 3077 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3078 error = EINVAL; 3079 } 3080 } 3081 } 3082 if (stcb != NULL) { 3083 SCTP_TCB_UNLOCK(stcb); 3084 } 3085 if (error == 0) { 3086 *optsize = sizeof(struct sctp_event); 3087 } 3088 break; 3089 } 3090 case SCTP_RECVRCVINFO: 3091 { 3092 int onoff; 3093 3094 if (*optsize < sizeof(int)) { 3095 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3096 error = EINVAL; 3097 } else { 3098 SCTP_INP_RLOCK(inp); 3099 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3100 SCTP_INP_RUNLOCK(inp); 3101 } 3102 if (error == 0) { 3103 /* return the option value */ 3104 *(int *)optval = onoff; 3105 *optsize = sizeof(int); 3106 } 3107 break; 3108 } 3109 case SCTP_RECVNXTINFO: 3110 { 3111 int onoff; 3112 3113 if (*optsize < sizeof(int)) { 3114 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3115 error = EINVAL; 3116 } else { 3117 SCTP_INP_RLOCK(inp); 3118 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3119 SCTP_INP_RUNLOCK(inp); 3120 } 3121 if (error == 0) { 3122 /* return the option value */ 3123 *(int *)optval = onoff; 3124 *optsize = sizeof(int); 3125 } 3126 break; 3127 } 3128 case SCTP_DEFAULT_SNDINFO: 3129 { 3130 struct sctp_sndinfo *info; 3131 3132 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3133 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3134 3135 if (stcb) { 3136 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3137 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3138 info->snd_flags &= 0xfff0; 3139 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3140 info->snd_context = stcb->asoc.def_send.sinfo_context; 3141 SCTP_TCB_UNLOCK(stcb); 3142 } else { 3143 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3144 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3145 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3146 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3147 SCTP_INP_RLOCK(inp); 3148 info->snd_sid = inp->def_send.sinfo_stream; 3149 info->snd_flags = inp->def_send.sinfo_flags; 3150 info->snd_flags &= 0xfff0; 3151 info->snd_ppid = inp->def_send.sinfo_ppid; 3152 info->snd_context = inp->def_send.sinfo_context; 3153 SCTP_INP_RUNLOCK(inp); 3154 } else { 3155 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3156 error = EINVAL; 3157 } 3158 } 3159 if (error == 0) { 3160 *optsize = sizeof(struct sctp_sndinfo); 3161 } 3162 break; 3163 } 3164 case SCTP_DEFAULT_PRINFO: 3165 { 3166 struct sctp_default_prinfo *info; 3167 3168 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3169 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3170 3171 if (stcb) { 3172 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3173 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3174 SCTP_TCB_UNLOCK(stcb); 3175 } else { 3176 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3177 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3178 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3179 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3180 SCTP_INP_RLOCK(inp); 3181 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3182 info->pr_value = inp->def_send.sinfo_timetolive; 3183 SCTP_INP_RUNLOCK(inp); 3184 } else { 3185 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3186 error = EINVAL; 3187 } 3188 } 3189 if (error == 0) { 3190 *optsize = sizeof(struct sctp_default_prinfo); 3191 } 3192 break; 3193 } 3194 case SCTP_PEER_ADDR_THLDS: 3195 { 3196 struct sctp_paddrthlds *thlds; 3197 struct sctp_nets *net; 3198 struct sockaddr *addr; 3199 #if defined(INET) && defined(INET6) 3200 struct sockaddr_in sin_store; 3201 #endif 3202 3203 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3204 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3205 3206 #if defined(INET) && defined(INET6) 3207 if (thlds->spt_address.ss_family == AF_INET6) { 3208 struct sockaddr_in6 *sin6; 3209 3210 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3211 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3212 in6_sin6_2_sin(&sin_store, sin6); 3213 addr = (struct sockaddr *)&sin_store; 3214 } else { 3215 addr = (struct sockaddr *)&thlds->spt_address; 3216 } 3217 } else { 3218 addr = (struct sockaddr *)&thlds->spt_address; 3219 } 3220 #else 3221 addr = (struct sockaddr *)&thlds->spt_address; 3222 #endif 3223 if (stcb != NULL) { 3224 net = sctp_findnet(stcb, addr); 3225 } else { 3226 /* 3227 * We increment here since 3228 * sctp_findassociation_ep_addr() wil do a 3229 * decrement if it finds the stcb as long as 3230 * the locked tcb (last argument) is NOT a 3231 * TCB.. aka NULL. 3232 */ 3233 net = NULL; 3234 SCTP_INP_INCR_REF(inp); 3235 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3236 if (stcb == NULL) { 3237 SCTP_INP_DECR_REF(inp); 3238 } 3239 } 3240 if ((stcb != NULL) && (net == NULL)) { 3241 #ifdef INET 3242 if (addr->sa_family == AF_INET) { 3243 struct sockaddr_in *sin; 3244 3245 sin = (struct sockaddr_in *)addr; 3246 if (sin->sin_addr.s_addr != INADDR_ANY) { 3247 error = EINVAL; 3248 SCTP_TCB_UNLOCK(stcb); 3249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3250 break; 3251 } 3252 } else 3253 #endif 3254 #ifdef INET6 3255 if (addr->sa_family == AF_INET6) { 3256 struct sockaddr_in6 *sin6; 3257 3258 sin6 = (struct sockaddr_in6 *)addr; 3259 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3260 error = EINVAL; 3261 SCTP_TCB_UNLOCK(stcb); 3262 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3263 break; 3264 } 3265 } else 3266 #endif 3267 { 3268 error = EAFNOSUPPORT; 3269 SCTP_TCB_UNLOCK(stcb); 3270 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3271 break; 3272 } 3273 } 3274 3275 if (stcb != NULL) { 3276 if (net != NULL) { 3277 thlds->spt_pathmaxrxt = net->failure_threshold; 3278 thlds->spt_pathpfthld = net->pf_threshold; 3279 thlds->spt_pathcpthld = 0xffff; 3280 } else { 3281 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3282 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3283 thlds->spt_pathcpthld = 0xffff; 3284 } 3285 thlds->spt_assoc_id = sctp_get_associd(stcb); 3286 SCTP_TCB_UNLOCK(stcb); 3287 } else { 3288 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3289 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3290 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3291 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3292 /* Use endpoint defaults */ 3293 SCTP_INP_RLOCK(inp); 3294 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3295 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3296 thlds->spt_pathcpthld = 0xffff; 3297 SCTP_INP_RUNLOCK(inp); 3298 } else { 3299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3300 error = EINVAL; 3301 } 3302 } 3303 if (error == 0) { 3304 *optsize = sizeof(struct sctp_paddrthlds); 3305 } 3306 break; 3307 } 3308 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3309 { 3310 struct sctp_udpencaps *encaps; 3311 struct sctp_nets *net; 3312 struct sockaddr *addr; 3313 #if defined(INET) && defined(INET6) 3314 struct sockaddr_in sin_store; 3315 #endif 3316 3317 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3318 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3319 3320 #if defined(INET) && defined(INET6) 3321 if (encaps->sue_address.ss_family == AF_INET6) { 3322 struct sockaddr_in6 *sin6; 3323 3324 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3325 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3326 in6_sin6_2_sin(&sin_store, sin6); 3327 addr = (struct sockaddr *)&sin_store; 3328 } else { 3329 addr = (struct sockaddr *)&encaps->sue_address; 3330 } 3331 } else { 3332 addr = (struct sockaddr *)&encaps->sue_address; 3333 } 3334 #else 3335 addr = (struct sockaddr *)&encaps->sue_address; 3336 #endif 3337 if (stcb) { 3338 net = sctp_findnet(stcb, addr); 3339 } else { 3340 /* 3341 * We increment here since 3342 * sctp_findassociation_ep_addr() wil do a 3343 * decrement if it finds the stcb as long as 3344 * the locked tcb (last argument) is NOT a 3345 * TCB.. aka NULL. 3346 */ 3347 net = NULL; 3348 SCTP_INP_INCR_REF(inp); 3349 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3350 if (stcb == NULL) { 3351 SCTP_INP_DECR_REF(inp); 3352 } 3353 } 3354 if ((stcb != NULL) && (net == NULL)) { 3355 #ifdef INET 3356 if (addr->sa_family == AF_INET) { 3357 struct sockaddr_in *sin; 3358 3359 sin = (struct sockaddr_in *)addr; 3360 if (sin->sin_addr.s_addr != INADDR_ANY) { 3361 error = EINVAL; 3362 SCTP_TCB_UNLOCK(stcb); 3363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3364 break; 3365 } 3366 } else 3367 #endif 3368 #ifdef INET6 3369 if (addr->sa_family == AF_INET6) { 3370 struct sockaddr_in6 *sin6; 3371 3372 sin6 = (struct sockaddr_in6 *)addr; 3373 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3374 error = EINVAL; 3375 SCTP_TCB_UNLOCK(stcb); 3376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3377 break; 3378 } 3379 } else 3380 #endif 3381 { 3382 error = EAFNOSUPPORT; 3383 SCTP_TCB_UNLOCK(stcb); 3384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3385 break; 3386 } 3387 } 3388 3389 if (stcb != NULL) { 3390 if (net) { 3391 encaps->sue_port = net->port; 3392 } else { 3393 encaps->sue_port = stcb->asoc.port; 3394 } 3395 SCTP_TCB_UNLOCK(stcb); 3396 } else { 3397 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3398 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3399 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3400 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3401 SCTP_INP_RLOCK(inp); 3402 encaps->sue_port = inp->sctp_ep.port; 3403 SCTP_INP_RUNLOCK(inp); 3404 } else { 3405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3406 error = EINVAL; 3407 } 3408 } 3409 if (error == 0) { 3410 *optsize = sizeof(struct sctp_udpencaps); 3411 } 3412 break; 3413 } 3414 case SCTP_ECN_SUPPORTED: 3415 { 3416 struct sctp_assoc_value *av; 3417 3418 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3419 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3420 3421 if (stcb) { 3422 av->assoc_value = stcb->asoc.ecn_supported; 3423 SCTP_TCB_UNLOCK(stcb); 3424 } else { 3425 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3426 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3427 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3428 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3429 SCTP_INP_RLOCK(inp); 3430 av->assoc_value = inp->ecn_supported; 3431 SCTP_INP_RUNLOCK(inp); 3432 } else { 3433 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3434 error = EINVAL; 3435 } 3436 } 3437 if (error == 0) { 3438 *optsize = sizeof(struct sctp_assoc_value); 3439 } 3440 break; 3441 } 3442 case SCTP_PR_SUPPORTED: 3443 { 3444 struct sctp_assoc_value *av; 3445 3446 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3447 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3448 3449 if (stcb) { 3450 av->assoc_value = stcb->asoc.prsctp_supported; 3451 SCTP_TCB_UNLOCK(stcb); 3452 } else { 3453 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3454 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3455 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3456 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3457 SCTP_INP_RLOCK(inp); 3458 av->assoc_value = inp->prsctp_supported; 3459 SCTP_INP_RUNLOCK(inp); 3460 } else { 3461 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3462 error = EINVAL; 3463 } 3464 } 3465 if (error == 0) { 3466 *optsize = sizeof(struct sctp_assoc_value); 3467 } 3468 break; 3469 } 3470 case SCTP_AUTH_SUPPORTED: 3471 { 3472 struct sctp_assoc_value *av; 3473 3474 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3475 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3476 3477 if (stcb) { 3478 av->assoc_value = stcb->asoc.auth_supported; 3479 SCTP_TCB_UNLOCK(stcb); 3480 } else { 3481 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3482 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3483 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3484 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3485 SCTP_INP_RLOCK(inp); 3486 av->assoc_value = inp->auth_supported; 3487 SCTP_INP_RUNLOCK(inp); 3488 } else { 3489 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3490 error = EINVAL; 3491 } 3492 } 3493 if (error == 0) { 3494 *optsize = sizeof(struct sctp_assoc_value); 3495 } 3496 break; 3497 } 3498 case SCTP_ASCONF_SUPPORTED: 3499 { 3500 struct sctp_assoc_value *av; 3501 3502 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3503 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3504 3505 if (stcb) { 3506 av->assoc_value = stcb->asoc.asconf_supported; 3507 SCTP_TCB_UNLOCK(stcb); 3508 } else { 3509 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3510 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3511 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3512 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3513 SCTP_INP_RLOCK(inp); 3514 av->assoc_value = inp->asconf_supported; 3515 SCTP_INP_RUNLOCK(inp); 3516 } else { 3517 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3518 error = EINVAL; 3519 } 3520 } 3521 if (error == 0) { 3522 *optsize = sizeof(struct sctp_assoc_value); 3523 } 3524 break; 3525 } 3526 case SCTP_RECONFIG_SUPPORTED: 3527 { 3528 struct sctp_assoc_value *av; 3529 3530 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3531 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3532 3533 if (stcb) { 3534 av->assoc_value = stcb->asoc.reconfig_supported; 3535 SCTP_TCB_UNLOCK(stcb); 3536 } else { 3537 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3538 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3539 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3540 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3541 SCTP_INP_RLOCK(inp); 3542 av->assoc_value = inp->reconfig_supported; 3543 SCTP_INP_RUNLOCK(inp); 3544 } else { 3545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3546 error = EINVAL; 3547 } 3548 } 3549 if (error == 0) { 3550 *optsize = sizeof(struct sctp_assoc_value); 3551 } 3552 break; 3553 } 3554 case SCTP_NRSACK_SUPPORTED: 3555 { 3556 struct sctp_assoc_value *av; 3557 3558 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3559 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3560 3561 if (stcb) { 3562 av->assoc_value = stcb->asoc.nrsack_supported; 3563 SCTP_TCB_UNLOCK(stcb); 3564 } else { 3565 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3566 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3567 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3568 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3569 SCTP_INP_RLOCK(inp); 3570 av->assoc_value = inp->nrsack_supported; 3571 SCTP_INP_RUNLOCK(inp); 3572 } else { 3573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3574 error = EINVAL; 3575 } 3576 } 3577 if (error == 0) { 3578 *optsize = sizeof(struct sctp_assoc_value); 3579 } 3580 break; 3581 } 3582 case SCTP_PKTDROP_SUPPORTED: 3583 { 3584 struct sctp_assoc_value *av; 3585 3586 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3587 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3588 3589 if (stcb) { 3590 av->assoc_value = stcb->asoc.pktdrop_supported; 3591 SCTP_TCB_UNLOCK(stcb); 3592 } else { 3593 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3594 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3595 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3596 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3597 SCTP_INP_RLOCK(inp); 3598 av->assoc_value = inp->pktdrop_supported; 3599 SCTP_INP_RUNLOCK(inp); 3600 } else { 3601 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3602 error = EINVAL; 3603 } 3604 } 3605 if (error == 0) { 3606 *optsize = sizeof(struct sctp_assoc_value); 3607 } 3608 break; 3609 } 3610 case SCTP_ENABLE_STREAM_RESET: 3611 { 3612 struct sctp_assoc_value *av; 3613 3614 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3615 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3616 3617 if (stcb) { 3618 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3619 SCTP_TCB_UNLOCK(stcb); 3620 } else { 3621 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3622 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3623 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3624 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3625 SCTP_INP_RLOCK(inp); 3626 av->assoc_value = (uint32_t)inp->local_strreset_support; 3627 SCTP_INP_RUNLOCK(inp); 3628 } else { 3629 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3630 error = EINVAL; 3631 } 3632 } 3633 if (error == 0) { 3634 *optsize = sizeof(struct sctp_assoc_value); 3635 } 3636 break; 3637 } 3638 case SCTP_PR_STREAM_STATUS: 3639 { 3640 struct sctp_prstatus *sprstat; 3641 uint16_t sid; 3642 uint16_t policy; 3643 3644 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3645 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3646 3647 sid = sprstat->sprstat_sid; 3648 policy = sprstat->sprstat_policy; 3649 #if defined(SCTP_DETAILED_STR_STATS) 3650 if ((stcb != NULL) && 3651 (sid < stcb->asoc.streamoutcnt) && 3652 (policy != SCTP_PR_SCTP_NONE) && 3653 ((policy <= SCTP_PR_SCTP_MAX) || 3654 (policy == SCTP_PR_SCTP_ALL))) { 3655 if (policy == SCTP_PR_SCTP_ALL) { 3656 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3657 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3658 } else { 3659 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3660 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3661 } 3662 #else 3663 if ((stcb != NULL) && 3664 (sid < stcb->asoc.streamoutcnt) && 3665 (policy == SCTP_PR_SCTP_ALL)) { 3666 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3667 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3668 #endif 3669 } else { 3670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3671 error = EINVAL; 3672 } 3673 if (stcb != NULL) { 3674 SCTP_TCB_UNLOCK(stcb); 3675 } 3676 if (error == 0) { 3677 *optsize = sizeof(struct sctp_prstatus); 3678 } 3679 break; 3680 } 3681 case SCTP_PR_ASSOC_STATUS: 3682 { 3683 struct sctp_prstatus *sprstat; 3684 uint16_t policy; 3685 3686 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3687 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3688 3689 policy = sprstat->sprstat_policy; 3690 if ((stcb != NULL) && 3691 (policy != SCTP_PR_SCTP_NONE) && 3692 ((policy <= SCTP_PR_SCTP_MAX) || 3693 (policy == SCTP_PR_SCTP_ALL))) { 3694 if (policy == SCTP_PR_SCTP_ALL) { 3695 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3696 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3697 } else { 3698 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3699 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3700 } 3701 } else { 3702 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3703 error = EINVAL; 3704 } 3705 if (stcb != NULL) { 3706 SCTP_TCB_UNLOCK(stcb); 3707 } 3708 if (error == 0) { 3709 *optsize = sizeof(struct sctp_prstatus); 3710 } 3711 break; 3712 } 3713 case SCTP_MAX_CWND: 3714 { 3715 struct sctp_assoc_value *av; 3716 3717 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3718 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3719 3720 if (stcb) { 3721 av->assoc_value = stcb->asoc.max_cwnd; 3722 SCTP_TCB_UNLOCK(stcb); 3723 } else { 3724 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3725 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3726 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3727 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3728 SCTP_INP_RLOCK(inp); 3729 av->assoc_value = inp->max_cwnd; 3730 SCTP_INP_RUNLOCK(inp); 3731 } else { 3732 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3733 error = EINVAL; 3734 } 3735 } 3736 if (error == 0) { 3737 *optsize = sizeof(struct sctp_assoc_value); 3738 } 3739 break; 3740 } 3741 default: 3742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3743 error = ENOPROTOOPT; 3744 break; 3745 } /* end switch (sopt->sopt_name) */ 3746 if (error) { 3747 *optsize = 0; 3748 } 3749 return (error); 3750 } 3751 3752 static int 3753 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3754 void *p) 3755 { 3756 int error, set_opt; 3757 uint32_t *mopt; 3758 struct sctp_tcb *stcb = NULL; 3759 struct sctp_inpcb *inp = NULL; 3760 uint32_t vrf_id; 3761 3762 if (optval == NULL) { 3763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3764 return (EINVAL); 3765 } 3766 inp = (struct sctp_inpcb *)so->so_pcb; 3767 if (inp == NULL) { 3768 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3769 return (EINVAL); 3770 } 3771 vrf_id = inp->def_vrf_id; 3772 3773 error = 0; 3774 switch (optname) { 3775 case SCTP_NODELAY: 3776 case SCTP_AUTOCLOSE: 3777 case SCTP_AUTO_ASCONF: 3778 case SCTP_EXPLICIT_EOR: 3779 case SCTP_DISABLE_FRAGMENTS: 3780 case SCTP_USE_EXT_RCVINFO: 3781 case SCTP_I_WANT_MAPPED_V4_ADDR: 3782 /* copy in the option value */ 3783 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3784 set_opt = 0; 3785 if (error) 3786 break; 3787 switch (optname) { 3788 case SCTP_DISABLE_FRAGMENTS: 3789 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3790 break; 3791 case SCTP_AUTO_ASCONF: 3792 /* 3793 * NOTE: we don't really support this flag 3794 */ 3795 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3796 /* only valid for bound all sockets */ 3797 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3798 (*mopt != 0)) { 3799 /* forbidden by admin */ 3800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3801 return (EPERM); 3802 } 3803 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3804 } else { 3805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3806 return (EINVAL); 3807 } 3808 break; 3809 case SCTP_EXPLICIT_EOR: 3810 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3811 break; 3812 case SCTP_USE_EXT_RCVINFO: 3813 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3814 break; 3815 case SCTP_I_WANT_MAPPED_V4_ADDR: 3816 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3817 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3818 } else { 3819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3820 return (EINVAL); 3821 } 3822 break; 3823 case SCTP_NODELAY: 3824 set_opt = SCTP_PCB_FLAGS_NODELAY; 3825 break; 3826 case SCTP_AUTOCLOSE: 3827 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3828 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3830 return (EINVAL); 3831 } 3832 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3833 /* 3834 * The value is in ticks. Note this does not effect 3835 * old associations, only new ones. 3836 */ 3837 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3838 break; 3839 } 3840 SCTP_INP_WLOCK(inp); 3841 if (*mopt != 0) { 3842 sctp_feature_on(inp, set_opt); 3843 } else { 3844 sctp_feature_off(inp, set_opt); 3845 } 3846 SCTP_INP_WUNLOCK(inp); 3847 break; 3848 case SCTP_REUSE_PORT: 3849 { 3850 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3851 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3852 /* Can't set it after we are bound */ 3853 error = EINVAL; 3854 break; 3855 } 3856 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3857 /* Can't do this for a 1-m socket */ 3858 error = EINVAL; 3859 break; 3860 } 3861 if (optval) 3862 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3863 else 3864 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3865 break; 3866 } 3867 case SCTP_PARTIAL_DELIVERY_POINT: 3868 { 3869 uint32_t *value; 3870 3871 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3872 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3874 error = EINVAL; 3875 break; 3876 } 3877 inp->partial_delivery_point = *value; 3878 break; 3879 } 3880 case SCTP_FRAGMENT_INTERLEAVE: 3881 /* not yet until we re-write sctp_recvmsg() */ 3882 { 3883 uint32_t *level; 3884 3885 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3886 if (*level == SCTP_FRAG_LEVEL_2) { 3887 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3888 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3889 } else if (*level == SCTP_FRAG_LEVEL_1) { 3890 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3891 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3892 } else if (*level == SCTP_FRAG_LEVEL_0) { 3893 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3894 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3895 3896 } else { 3897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3898 error = EINVAL; 3899 } 3900 break; 3901 } 3902 case SCTP_INTERLEAVING_SUPPORTED: 3903 { 3904 struct sctp_assoc_value *av; 3905 3906 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3907 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3908 3909 if (stcb) { 3910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3911 error = EINVAL; 3912 SCTP_TCB_UNLOCK(stcb); 3913 } else { 3914 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3915 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3916 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3917 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3918 SCTP_INP_WLOCK(inp); 3919 if (av->assoc_value == 0) { 3920 inp->idata_supported = 0; 3921 } else { 3922 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3923 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3924 inp->idata_supported = 1; 3925 } else { 3926 /* 3927 * Must have Frag 3928 * interleave and 3929 * stream interleave 3930 * on 3931 */ 3932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3933 error = EINVAL; 3934 } 3935 } 3936 SCTP_INP_WUNLOCK(inp); 3937 } else { 3938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3939 error = EINVAL; 3940 } 3941 } 3942 break; 3943 } 3944 case SCTP_CMT_ON_OFF: 3945 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3946 struct sctp_assoc_value *av; 3947 3948 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3949 if (av->assoc_value > SCTP_CMT_MAX) { 3950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3951 error = EINVAL; 3952 break; 3953 } 3954 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3955 if (stcb) { 3956 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3957 SCTP_TCB_UNLOCK(stcb); 3958 } else { 3959 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3960 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3961 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3962 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3963 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3964 SCTP_INP_WLOCK(inp); 3965 inp->sctp_cmt_on_off = av->assoc_value; 3966 SCTP_INP_WUNLOCK(inp); 3967 } 3968 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3969 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3970 (av->assoc_id == SCTP_ALL_ASSOC))) { 3971 SCTP_INP_RLOCK(inp); 3972 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3973 SCTP_TCB_LOCK(stcb); 3974 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3975 SCTP_TCB_UNLOCK(stcb); 3976 } 3977 SCTP_INP_RUNLOCK(inp); 3978 } 3979 } 3980 } else { 3981 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3982 error = ENOPROTOOPT; 3983 } 3984 break; 3985 case SCTP_PLUGGABLE_CC: 3986 { 3987 struct sctp_assoc_value *av; 3988 struct sctp_nets *net; 3989 3990 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3991 if ((av->assoc_value != SCTP_CC_RFC2581) && 3992 (av->assoc_value != SCTP_CC_HSTCP) && 3993 (av->assoc_value != SCTP_CC_HTCP) && 3994 (av->assoc_value != SCTP_CC_RTCC)) { 3995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3996 error = EINVAL; 3997 break; 3998 } 3999 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4000 if (stcb) { 4001 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4002 stcb->asoc.congestion_control_module = av->assoc_value; 4003 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4004 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4005 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4006 } 4007 } 4008 SCTP_TCB_UNLOCK(stcb); 4009 } else { 4010 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4011 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4012 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4013 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4014 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4015 SCTP_INP_WLOCK(inp); 4016 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4017 SCTP_INP_WUNLOCK(inp); 4018 } 4019 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4020 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4021 (av->assoc_id == SCTP_ALL_ASSOC))) { 4022 SCTP_INP_RLOCK(inp); 4023 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4024 SCTP_TCB_LOCK(stcb); 4025 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4026 stcb->asoc.congestion_control_module = av->assoc_value; 4027 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4028 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4029 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4030 } 4031 } 4032 SCTP_TCB_UNLOCK(stcb); 4033 } 4034 SCTP_INP_RUNLOCK(inp); 4035 } 4036 } 4037 break; 4038 } 4039 case SCTP_CC_OPTION: 4040 { 4041 struct sctp_cc_option *cc_opt; 4042 4043 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4044 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4045 if (stcb == NULL) { 4046 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4047 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4048 SCTP_INP_RLOCK(inp); 4049 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4050 SCTP_TCB_LOCK(stcb); 4051 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4052 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4053 } 4054 SCTP_TCB_UNLOCK(stcb); 4055 } 4056 SCTP_INP_RUNLOCK(inp); 4057 } else { 4058 error = EINVAL; 4059 } 4060 } else { 4061 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4062 error = ENOTSUP; 4063 } else { 4064 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4065 cc_opt); 4066 } 4067 SCTP_TCB_UNLOCK(stcb); 4068 } 4069 break; 4070 } 4071 case SCTP_PLUGGABLE_SS: 4072 { 4073 struct sctp_assoc_value *av; 4074 4075 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4076 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4077 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4078 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4079 (av->assoc_value != SCTP_SS_PRIORITY) && 4080 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4081 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4082 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4083 error = EINVAL; 4084 break; 4085 } 4086 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4087 if (stcb) { 4088 SCTP_TCB_SEND_LOCK(stcb); 4089 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4090 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4091 stcb->asoc.stream_scheduling_module = av->assoc_value; 4092 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4093 SCTP_TCB_SEND_UNLOCK(stcb); 4094 SCTP_TCB_UNLOCK(stcb); 4095 } else { 4096 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4097 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4098 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4099 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4100 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4101 SCTP_INP_WLOCK(inp); 4102 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4103 SCTP_INP_WUNLOCK(inp); 4104 } 4105 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4106 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4107 (av->assoc_id == SCTP_ALL_ASSOC))) { 4108 SCTP_INP_RLOCK(inp); 4109 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4110 SCTP_TCB_LOCK(stcb); 4111 SCTP_TCB_SEND_LOCK(stcb); 4112 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4113 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4114 stcb->asoc.stream_scheduling_module = av->assoc_value; 4115 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4116 SCTP_TCB_SEND_UNLOCK(stcb); 4117 SCTP_TCB_UNLOCK(stcb); 4118 } 4119 SCTP_INP_RUNLOCK(inp); 4120 } 4121 } 4122 break; 4123 } 4124 case SCTP_SS_VALUE: 4125 { 4126 struct sctp_stream_value *av; 4127 4128 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4129 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4130 if (stcb) { 4131 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4132 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4133 av->stream_value) < 0)) { 4134 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4135 error = EINVAL; 4136 } 4137 SCTP_TCB_UNLOCK(stcb); 4138 } else { 4139 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4140 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4141 SCTP_INP_RLOCK(inp); 4142 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4143 SCTP_TCB_LOCK(stcb); 4144 if (av->stream_id < stcb->asoc.streamoutcnt) { 4145 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4146 &stcb->asoc, 4147 &stcb->asoc.strmout[av->stream_id], 4148 av->stream_value); 4149 } 4150 SCTP_TCB_UNLOCK(stcb); 4151 } 4152 SCTP_INP_RUNLOCK(inp); 4153 } else { 4154 /* 4155 * Can't set stream value without 4156 * association 4157 */ 4158 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4159 error = EINVAL; 4160 } 4161 } 4162 break; 4163 } 4164 case SCTP_CLR_STAT_LOG: 4165 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4166 error = EOPNOTSUPP; 4167 break; 4168 case SCTP_CONTEXT: 4169 { 4170 struct sctp_assoc_value *av; 4171 4172 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4173 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4174 4175 if (stcb) { 4176 stcb->asoc.context = av->assoc_value; 4177 SCTP_TCB_UNLOCK(stcb); 4178 } else { 4179 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4180 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4181 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4182 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4183 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4184 SCTP_INP_WLOCK(inp); 4185 inp->sctp_context = av->assoc_value; 4186 SCTP_INP_WUNLOCK(inp); 4187 } 4188 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4189 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4190 (av->assoc_id == SCTP_ALL_ASSOC))) { 4191 SCTP_INP_RLOCK(inp); 4192 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4193 SCTP_TCB_LOCK(stcb); 4194 stcb->asoc.context = av->assoc_value; 4195 SCTP_TCB_UNLOCK(stcb); 4196 } 4197 SCTP_INP_RUNLOCK(inp); 4198 } 4199 } 4200 break; 4201 } 4202 case SCTP_VRF_ID: 4203 { 4204 uint32_t *default_vrfid; 4205 4206 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4207 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4208 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4209 error = EINVAL; 4210 break; 4211 } 4212 inp->def_vrf_id = *default_vrfid; 4213 break; 4214 } 4215 case SCTP_DEL_VRF_ID: 4216 { 4217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4218 error = EOPNOTSUPP; 4219 break; 4220 } 4221 case SCTP_ADD_VRF_ID: 4222 { 4223 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4224 error = EOPNOTSUPP; 4225 break; 4226 } 4227 case SCTP_DELAYED_SACK: 4228 { 4229 struct sctp_sack_info *sack; 4230 4231 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4232 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4233 if (sack->sack_delay) { 4234 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4235 error = EINVAL; 4236 if (stcb != NULL) { 4237 SCTP_TCB_UNLOCK(stcb); 4238 } 4239 break; 4240 } 4241 } 4242 if (stcb) { 4243 if (sack->sack_delay) { 4244 stcb->asoc.delayed_ack = sack->sack_delay; 4245 } 4246 if (sack->sack_freq) { 4247 stcb->asoc.sack_freq = sack->sack_freq; 4248 } 4249 SCTP_TCB_UNLOCK(stcb); 4250 } else { 4251 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4252 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4253 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4254 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4255 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4256 SCTP_INP_WLOCK(inp); 4257 if (sack->sack_delay) { 4258 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4259 } 4260 if (sack->sack_freq) { 4261 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4262 } 4263 SCTP_INP_WUNLOCK(inp); 4264 } 4265 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4266 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4267 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4268 SCTP_INP_RLOCK(inp); 4269 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4270 SCTP_TCB_LOCK(stcb); 4271 if (sack->sack_delay) { 4272 stcb->asoc.delayed_ack = sack->sack_delay; 4273 } 4274 if (sack->sack_freq) { 4275 stcb->asoc.sack_freq = sack->sack_freq; 4276 } 4277 SCTP_TCB_UNLOCK(stcb); 4278 } 4279 SCTP_INP_RUNLOCK(inp); 4280 } 4281 } 4282 break; 4283 } 4284 case SCTP_AUTH_CHUNK: 4285 { 4286 struct sctp_authchunk *sauth; 4287 4288 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4289 4290 SCTP_INP_WLOCK(inp); 4291 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4292 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4293 error = EINVAL; 4294 } else { 4295 inp->auth_supported = 1; 4296 } 4297 SCTP_INP_WUNLOCK(inp); 4298 break; 4299 } 4300 case SCTP_AUTH_KEY: 4301 { 4302 struct sctp_authkey *sca; 4303 struct sctp_keyhead *shared_keys; 4304 sctp_sharedkey_t *shared_key; 4305 sctp_key_t *key = NULL; 4306 size_t size; 4307 4308 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4309 if (sca->sca_keylength == 0) { 4310 size = optsize - sizeof(struct sctp_authkey); 4311 } else { 4312 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4313 size = sca->sca_keylength; 4314 } else { 4315 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4316 error = EINVAL; 4317 break; 4318 } 4319 } 4320 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4321 4322 if (stcb) { 4323 shared_keys = &stcb->asoc.shared_keys; 4324 /* clear the cached keys for this key id */ 4325 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4326 /* 4327 * create the new shared key and 4328 * insert/replace it 4329 */ 4330 if (size > 0) { 4331 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4332 if (key == NULL) { 4333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4334 error = ENOMEM; 4335 SCTP_TCB_UNLOCK(stcb); 4336 break; 4337 } 4338 } 4339 shared_key = sctp_alloc_sharedkey(); 4340 if (shared_key == NULL) { 4341 sctp_free_key(key); 4342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4343 error = ENOMEM; 4344 SCTP_TCB_UNLOCK(stcb); 4345 break; 4346 } 4347 shared_key->key = key; 4348 shared_key->keyid = sca->sca_keynumber; 4349 error = sctp_insert_sharedkey(shared_keys, shared_key); 4350 SCTP_TCB_UNLOCK(stcb); 4351 } else { 4352 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4353 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4354 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4355 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4356 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4357 SCTP_INP_WLOCK(inp); 4358 shared_keys = &inp->sctp_ep.shared_keys; 4359 /* 4360 * clear the cached keys on all 4361 * assocs for this key id 4362 */ 4363 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4364 /* 4365 * create the new shared key and 4366 * insert/replace it 4367 */ 4368 if (size > 0) { 4369 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4370 if (key == NULL) { 4371 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4372 error = ENOMEM; 4373 SCTP_INP_WUNLOCK(inp); 4374 break; 4375 } 4376 } 4377 shared_key = sctp_alloc_sharedkey(); 4378 if (shared_key == NULL) { 4379 sctp_free_key(key); 4380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4381 error = ENOMEM; 4382 SCTP_INP_WUNLOCK(inp); 4383 break; 4384 } 4385 shared_key->key = key; 4386 shared_key->keyid = sca->sca_keynumber; 4387 error = sctp_insert_sharedkey(shared_keys, shared_key); 4388 SCTP_INP_WUNLOCK(inp); 4389 } 4390 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4391 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4392 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4393 SCTP_INP_RLOCK(inp); 4394 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4395 SCTP_TCB_LOCK(stcb); 4396 shared_keys = &stcb->asoc.shared_keys; 4397 /* 4398 * clear the cached keys for 4399 * this key id 4400 */ 4401 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4402 /* 4403 * create the new shared key 4404 * and insert/replace it 4405 */ 4406 if (size > 0) { 4407 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4408 if (key == NULL) { 4409 SCTP_TCB_UNLOCK(stcb); 4410 continue; 4411 } 4412 } 4413 shared_key = sctp_alloc_sharedkey(); 4414 if (shared_key == NULL) { 4415 sctp_free_key(key); 4416 SCTP_TCB_UNLOCK(stcb); 4417 continue; 4418 } 4419 shared_key->key = key; 4420 shared_key->keyid = sca->sca_keynumber; 4421 error = sctp_insert_sharedkey(shared_keys, shared_key); 4422 SCTP_TCB_UNLOCK(stcb); 4423 } 4424 SCTP_INP_RUNLOCK(inp); 4425 } 4426 } 4427 break; 4428 } 4429 case SCTP_HMAC_IDENT: 4430 { 4431 struct sctp_hmacalgo *shmac; 4432 sctp_hmaclist_t *hmaclist; 4433 uint16_t hmacid; 4434 uint32_t i; 4435 4436 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4437 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4438 (shmac->shmac_number_of_idents > 0xffff)) { 4439 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4440 error = EINVAL; 4441 break; 4442 } 4443 4444 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4445 if (hmaclist == NULL) { 4446 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4447 error = ENOMEM; 4448 break; 4449 } 4450 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4451 hmacid = shmac->shmac_idents[i]; 4452 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4453 /* invalid HMACs were found */ ; 4454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4455 error = EINVAL; 4456 sctp_free_hmaclist(hmaclist); 4457 goto sctp_set_hmac_done; 4458 } 4459 } 4460 for (i = 0; i < hmaclist->num_algo; i++) { 4461 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4462 /* already in list */ 4463 break; 4464 } 4465 } 4466 if (i == hmaclist->num_algo) { 4467 /* not found in list */ 4468 sctp_free_hmaclist(hmaclist); 4469 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4470 error = EINVAL; 4471 break; 4472 } 4473 /* set it on the endpoint */ 4474 SCTP_INP_WLOCK(inp); 4475 if (inp->sctp_ep.local_hmacs) 4476 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4477 inp->sctp_ep.local_hmacs = hmaclist; 4478 SCTP_INP_WUNLOCK(inp); 4479 sctp_set_hmac_done: 4480 break; 4481 } 4482 case SCTP_AUTH_ACTIVE_KEY: 4483 { 4484 struct sctp_authkeyid *scact; 4485 4486 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4487 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4488 4489 /* set the active key on the right place */ 4490 if (stcb) { 4491 /* set the active key on the assoc */ 4492 if (sctp_auth_setactivekey(stcb, 4493 scact->scact_keynumber)) { 4494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4495 SCTP_FROM_SCTP_USRREQ, 4496 EINVAL); 4497 error = EINVAL; 4498 } 4499 SCTP_TCB_UNLOCK(stcb); 4500 } else { 4501 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4502 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4503 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4504 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4505 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4506 SCTP_INP_WLOCK(inp); 4507 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4509 error = EINVAL; 4510 } 4511 SCTP_INP_WUNLOCK(inp); 4512 } 4513 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4514 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4515 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4516 SCTP_INP_RLOCK(inp); 4517 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4518 SCTP_TCB_LOCK(stcb); 4519 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4520 SCTP_TCB_UNLOCK(stcb); 4521 } 4522 SCTP_INP_RUNLOCK(inp); 4523 } 4524 } 4525 break; 4526 } 4527 case SCTP_AUTH_DELETE_KEY: 4528 { 4529 struct sctp_authkeyid *scdel; 4530 4531 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4532 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4533 4534 /* delete the key from the right place */ 4535 if (stcb) { 4536 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4537 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4538 error = EINVAL; 4539 } 4540 SCTP_TCB_UNLOCK(stcb); 4541 } else { 4542 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4543 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4544 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4545 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4546 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4547 SCTP_INP_WLOCK(inp); 4548 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4550 error = EINVAL; 4551 } 4552 SCTP_INP_WUNLOCK(inp); 4553 } 4554 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4555 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4556 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4557 SCTP_INP_RLOCK(inp); 4558 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4559 SCTP_TCB_LOCK(stcb); 4560 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4561 SCTP_TCB_UNLOCK(stcb); 4562 } 4563 SCTP_INP_RUNLOCK(inp); 4564 } 4565 } 4566 break; 4567 } 4568 case SCTP_AUTH_DEACTIVATE_KEY: 4569 { 4570 struct sctp_authkeyid *keyid; 4571 4572 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4573 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4574 4575 /* deactivate the key from the right place */ 4576 if (stcb) { 4577 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4578 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4579 error = EINVAL; 4580 } 4581 SCTP_TCB_UNLOCK(stcb); 4582 } else { 4583 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4584 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4585 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4586 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4587 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4588 SCTP_INP_WLOCK(inp); 4589 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4590 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4591 error = EINVAL; 4592 } 4593 SCTP_INP_WUNLOCK(inp); 4594 } 4595 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4596 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4597 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4598 SCTP_INP_RLOCK(inp); 4599 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4600 SCTP_TCB_LOCK(stcb); 4601 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4602 SCTP_TCB_UNLOCK(stcb); 4603 } 4604 SCTP_INP_RUNLOCK(inp); 4605 } 4606 } 4607 break; 4608 } 4609 case SCTP_ENABLE_STREAM_RESET: 4610 { 4611 struct sctp_assoc_value *av; 4612 4613 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4614 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4615 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4616 error = EINVAL; 4617 break; 4618 } 4619 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4620 if (stcb) { 4621 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4622 SCTP_TCB_UNLOCK(stcb); 4623 } else { 4624 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4625 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4626 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4627 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4628 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4629 SCTP_INP_WLOCK(inp); 4630 inp->local_strreset_support = (uint8_t)av->assoc_value; 4631 SCTP_INP_WUNLOCK(inp); 4632 } 4633 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4634 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4635 (av->assoc_id == SCTP_ALL_ASSOC))) { 4636 SCTP_INP_RLOCK(inp); 4637 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4638 SCTP_TCB_LOCK(stcb); 4639 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4640 SCTP_TCB_UNLOCK(stcb); 4641 } 4642 SCTP_INP_RUNLOCK(inp); 4643 } 4644 4645 } 4646 break; 4647 } 4648 case SCTP_RESET_STREAMS: 4649 { 4650 struct sctp_reset_streams *strrst; 4651 int i, send_out = 0; 4652 int send_in = 0; 4653 4654 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4655 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4656 if (stcb == NULL) { 4657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4658 error = ENOENT; 4659 break; 4660 } 4661 if (stcb->asoc.reconfig_supported == 0) { 4662 /* 4663 * Peer does not support the chunk type. 4664 */ 4665 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4666 error = EOPNOTSUPP; 4667 SCTP_TCB_UNLOCK(stcb); 4668 break; 4669 } 4670 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4671 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4672 error = EINVAL; 4673 SCTP_TCB_UNLOCK(stcb); 4674 break; 4675 } 4676 if (sizeof(struct sctp_reset_streams) + 4677 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4678 error = EINVAL; 4679 SCTP_TCB_UNLOCK(stcb); 4680 break; 4681 } 4682 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4683 send_in = 1; 4684 if (stcb->asoc.stream_reset_outstanding) { 4685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4686 error = EALREADY; 4687 SCTP_TCB_UNLOCK(stcb); 4688 break; 4689 } 4690 } 4691 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4692 send_out = 1; 4693 } 4694 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4696 error = ENOMEM; 4697 SCTP_TCB_UNLOCK(stcb); 4698 break; 4699 } 4700 if ((send_in == 0) && (send_out == 0)) { 4701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4702 error = EINVAL; 4703 SCTP_TCB_UNLOCK(stcb); 4704 break; 4705 } 4706 for (i = 0; i < strrst->srs_number_streams; i++) { 4707 if ((send_in) && 4708 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4710 error = EINVAL; 4711 break; 4712 } 4713 if ((send_out) && 4714 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4716 error = EINVAL; 4717 break; 4718 } 4719 } 4720 if (error) { 4721 SCTP_TCB_UNLOCK(stcb); 4722 break; 4723 } 4724 if (send_out) { 4725 int cnt; 4726 uint16_t strm; 4727 4728 if (strrst->srs_number_streams) { 4729 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4730 strm = strrst->srs_stream_list[i]; 4731 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4732 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4733 cnt++; 4734 } 4735 } 4736 } else { 4737 /* Its all */ 4738 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4739 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4740 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4741 cnt++; 4742 } 4743 } 4744 } 4745 } 4746 if (send_in) { 4747 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4748 strrst->srs_stream_list, 4749 send_in, 0, 0, 0, 0, 0); 4750 } else { 4751 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4752 } 4753 if (error == 0) { 4754 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4755 } else { 4756 /* 4757 * For outgoing streams don't report any 4758 * problems in sending the request to the 4759 * application. XXX: Double check resetting 4760 * incoming streams. 4761 */ 4762 error = 0; 4763 } 4764 SCTP_TCB_UNLOCK(stcb); 4765 break; 4766 } 4767 case SCTP_ADD_STREAMS: 4768 { 4769 struct sctp_add_streams *stradd; 4770 uint8_t addstream = 0; 4771 uint16_t add_o_strmcnt = 0; 4772 uint16_t add_i_strmcnt = 0; 4773 4774 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4775 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4776 if (stcb == NULL) { 4777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4778 error = ENOENT; 4779 break; 4780 } 4781 if (stcb->asoc.reconfig_supported == 0) { 4782 /* 4783 * Peer does not support the chunk type. 4784 */ 4785 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4786 error = EOPNOTSUPP; 4787 SCTP_TCB_UNLOCK(stcb); 4788 break; 4789 } 4790 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4791 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4792 error = EINVAL; 4793 SCTP_TCB_UNLOCK(stcb); 4794 break; 4795 } 4796 if (stcb->asoc.stream_reset_outstanding) { 4797 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4798 error = EALREADY; 4799 SCTP_TCB_UNLOCK(stcb); 4800 break; 4801 } 4802 if ((stradd->sas_outstrms == 0) && 4803 (stradd->sas_instrms == 0)) { 4804 error = EINVAL; 4805 goto skip_stuff; 4806 } 4807 if (stradd->sas_outstrms) { 4808 addstream = 1; 4809 /* We allocate here */ 4810 add_o_strmcnt = stradd->sas_outstrms; 4811 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4812 /* You can't have more than 64k */ 4813 error = EINVAL; 4814 goto skip_stuff; 4815 } 4816 } 4817 if (stradd->sas_instrms) { 4818 int cnt; 4819 4820 addstream |= 2; 4821 /* 4822 * We allocate inside 4823 * sctp_send_str_reset_req() 4824 */ 4825 add_i_strmcnt = stradd->sas_instrms; 4826 cnt = add_i_strmcnt; 4827 cnt += stcb->asoc.streamincnt; 4828 if (cnt > 0x0000ffff) { 4829 /* You can't have more than 64k */ 4830 error = EINVAL; 4831 goto skip_stuff; 4832 } 4833 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4834 /* More than you are allowed */ 4835 error = EINVAL; 4836 goto skip_stuff; 4837 } 4838 } 4839 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4840 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4841 skip_stuff: 4842 SCTP_TCB_UNLOCK(stcb); 4843 break; 4844 } 4845 case SCTP_RESET_ASSOC: 4846 { 4847 int i; 4848 uint32_t *value; 4849 4850 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4851 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4852 if (stcb == NULL) { 4853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4854 error = ENOENT; 4855 break; 4856 } 4857 if (stcb->asoc.reconfig_supported == 0) { 4858 /* 4859 * Peer does not support the chunk type. 4860 */ 4861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4862 error = EOPNOTSUPP; 4863 SCTP_TCB_UNLOCK(stcb); 4864 break; 4865 } 4866 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4867 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4868 error = EINVAL; 4869 SCTP_TCB_UNLOCK(stcb); 4870 break; 4871 } 4872 if (stcb->asoc.stream_reset_outstanding) { 4873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4874 error = EALREADY; 4875 SCTP_TCB_UNLOCK(stcb); 4876 break; 4877 } 4878 /* 4879 * Is there any data pending in the send or sent 4880 * queues? 4881 */ 4882 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4883 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4884 busy_out: 4885 error = EBUSY; 4886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4887 SCTP_TCB_UNLOCK(stcb); 4888 break; 4889 } 4890 /* Do any streams have data queued? */ 4891 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4892 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4893 goto busy_out; 4894 } 4895 } 4896 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4897 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4898 SCTP_TCB_UNLOCK(stcb); 4899 break; 4900 } 4901 case SCTP_CONNECT_X: 4902 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4904 error = EINVAL; 4905 break; 4906 } 4907 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4908 break; 4909 case SCTP_CONNECT_X_DELAYED: 4910 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4912 error = EINVAL; 4913 break; 4914 } 4915 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4916 break; 4917 case SCTP_CONNECT_X_COMPLETE: 4918 { 4919 struct sockaddr *sa; 4920 4921 /* FIXME MT: check correct? */ 4922 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4923 4924 /* find tcb */ 4925 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4926 SCTP_INP_RLOCK(inp); 4927 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4928 if (stcb) { 4929 SCTP_TCB_LOCK(stcb); 4930 } 4931 SCTP_INP_RUNLOCK(inp); 4932 } else { 4933 /* 4934 * We increment here since 4935 * sctp_findassociation_ep_addr() wil do a 4936 * decrement if it finds the stcb as long as 4937 * the locked tcb (last argument) is NOT a 4938 * TCB.. aka NULL. 4939 */ 4940 SCTP_INP_INCR_REF(inp); 4941 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4942 if (stcb == NULL) { 4943 SCTP_INP_DECR_REF(inp); 4944 } 4945 } 4946 4947 if (stcb == NULL) { 4948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4949 error = ENOENT; 4950 break; 4951 } 4952 if (stcb->asoc.delayed_connection == 1) { 4953 stcb->asoc.delayed_connection = 0; 4954 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4955 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4956 stcb->asoc.primary_destination, 4957 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4958 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4959 } else { 4960 /* 4961 * already expired or did not use delayed 4962 * connectx 4963 */ 4964 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4965 error = EALREADY; 4966 } 4967 SCTP_TCB_UNLOCK(stcb); 4968 break; 4969 } 4970 case SCTP_MAX_BURST: 4971 { 4972 struct sctp_assoc_value *av; 4973 4974 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4975 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4976 4977 if (stcb) { 4978 stcb->asoc.max_burst = av->assoc_value; 4979 SCTP_TCB_UNLOCK(stcb); 4980 } else { 4981 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4982 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4983 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4984 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4985 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4986 SCTP_INP_WLOCK(inp); 4987 inp->sctp_ep.max_burst = av->assoc_value; 4988 SCTP_INP_WUNLOCK(inp); 4989 } 4990 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4991 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4992 (av->assoc_id == SCTP_ALL_ASSOC))) { 4993 SCTP_INP_RLOCK(inp); 4994 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4995 SCTP_TCB_LOCK(stcb); 4996 stcb->asoc.max_burst = av->assoc_value; 4997 SCTP_TCB_UNLOCK(stcb); 4998 } 4999 SCTP_INP_RUNLOCK(inp); 5000 } 5001 } 5002 break; 5003 } 5004 case SCTP_MAXSEG: 5005 { 5006 struct sctp_assoc_value *av; 5007 int ovh; 5008 5009 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 5010 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 5011 5012 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5013 ovh = SCTP_MED_OVERHEAD; 5014 } else { 5015 ovh = SCTP_MED_V4_OVERHEAD; 5016 } 5017 if (stcb) { 5018 if (av->assoc_value) { 5019 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 5020 } else { 5021 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5022 } 5023 SCTP_TCB_UNLOCK(stcb); 5024 } else { 5025 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5026 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5027 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5028 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 5029 SCTP_INP_WLOCK(inp); 5030 /* 5031 * FIXME MT: I think this is not in 5032 * tune with the API ID 5033 */ 5034 if (av->assoc_value) { 5035 inp->sctp_frag_point = (av->assoc_value + ovh); 5036 } else { 5037 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5038 } 5039 SCTP_INP_WUNLOCK(inp); 5040 } else { 5041 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5042 error = EINVAL; 5043 } 5044 } 5045 break; 5046 } 5047 case SCTP_EVENTS: 5048 { 5049 struct sctp_event_subscribe *events; 5050 5051 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5052 5053 SCTP_INP_WLOCK(inp); 5054 if (events->sctp_data_io_event) { 5055 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5056 } else { 5057 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5058 } 5059 5060 if (events->sctp_association_event) { 5061 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5062 } else { 5063 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5064 } 5065 5066 if (events->sctp_address_event) { 5067 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5068 } else { 5069 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5070 } 5071 5072 if (events->sctp_send_failure_event) { 5073 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5074 } else { 5075 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5076 } 5077 5078 if (events->sctp_peer_error_event) { 5079 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5080 } else { 5081 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5082 } 5083 5084 if (events->sctp_shutdown_event) { 5085 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5086 } else { 5087 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5088 } 5089 5090 if (events->sctp_partial_delivery_event) { 5091 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5092 } else { 5093 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5094 } 5095 5096 if (events->sctp_adaptation_layer_event) { 5097 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5098 } else { 5099 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5100 } 5101 5102 if (events->sctp_authentication_event) { 5103 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5104 } else { 5105 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5106 } 5107 5108 if (events->sctp_sender_dry_event) { 5109 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5110 } else { 5111 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5112 } 5113 5114 if (events->sctp_stream_reset_event) { 5115 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5116 } else { 5117 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5118 } 5119 SCTP_INP_WUNLOCK(inp); 5120 5121 SCTP_INP_RLOCK(inp); 5122 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5123 SCTP_TCB_LOCK(stcb); 5124 if (events->sctp_association_event) { 5125 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5126 } else { 5127 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5128 } 5129 if (events->sctp_address_event) { 5130 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5131 } else { 5132 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5133 } 5134 if (events->sctp_send_failure_event) { 5135 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5136 } else { 5137 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5138 } 5139 if (events->sctp_peer_error_event) { 5140 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5141 } else { 5142 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5143 } 5144 if (events->sctp_shutdown_event) { 5145 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5146 } else { 5147 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5148 } 5149 if (events->sctp_partial_delivery_event) { 5150 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5151 } else { 5152 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5153 } 5154 if (events->sctp_adaptation_layer_event) { 5155 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5156 } else { 5157 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5158 } 5159 if (events->sctp_authentication_event) { 5160 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5161 } else { 5162 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5163 } 5164 if (events->sctp_sender_dry_event) { 5165 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5166 } else { 5167 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5168 } 5169 if (events->sctp_stream_reset_event) { 5170 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5171 } else { 5172 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5173 } 5174 SCTP_TCB_UNLOCK(stcb); 5175 } 5176 /* 5177 * Send up the sender dry event only for 1-to-1 5178 * style sockets. 5179 */ 5180 if (events->sctp_sender_dry_event) { 5181 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5182 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5183 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5184 if (stcb) { 5185 SCTP_TCB_LOCK(stcb); 5186 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5187 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5188 (stcb->asoc.stream_queue_cnt == 0)) { 5189 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5190 } 5191 SCTP_TCB_UNLOCK(stcb); 5192 } 5193 } 5194 } 5195 SCTP_INP_RUNLOCK(inp); 5196 break; 5197 } 5198 case SCTP_ADAPTATION_LAYER: 5199 { 5200 struct sctp_setadaptation *adap_bits; 5201 5202 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5203 SCTP_INP_WLOCK(inp); 5204 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5205 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5206 SCTP_INP_WUNLOCK(inp); 5207 break; 5208 } 5209 #ifdef SCTP_DEBUG 5210 case SCTP_SET_INITIAL_DBG_SEQ: 5211 { 5212 uint32_t *vvv; 5213 5214 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5215 SCTP_INP_WLOCK(inp); 5216 inp->sctp_ep.initial_sequence_debug = *vvv; 5217 SCTP_INP_WUNLOCK(inp); 5218 break; 5219 } 5220 #endif 5221 case SCTP_DEFAULT_SEND_PARAM: 5222 { 5223 struct sctp_sndrcvinfo *s_info; 5224 5225 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5226 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5227 5228 if (stcb) { 5229 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5230 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5231 } else { 5232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5233 error = EINVAL; 5234 } 5235 SCTP_TCB_UNLOCK(stcb); 5236 } else { 5237 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5238 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5239 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5240 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5241 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5242 SCTP_INP_WLOCK(inp); 5243 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5244 SCTP_INP_WUNLOCK(inp); 5245 } 5246 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5247 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5248 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5249 SCTP_INP_RLOCK(inp); 5250 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5251 SCTP_TCB_LOCK(stcb); 5252 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5253 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5254 } 5255 SCTP_TCB_UNLOCK(stcb); 5256 } 5257 SCTP_INP_RUNLOCK(inp); 5258 } 5259 } 5260 break; 5261 } 5262 case SCTP_PEER_ADDR_PARAMS: 5263 { 5264 struct sctp_paddrparams *paddrp; 5265 struct sctp_nets *net; 5266 struct sockaddr *addr; 5267 #if defined(INET) && defined(INET6) 5268 struct sockaddr_in sin_store; 5269 #endif 5270 5271 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5272 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5273 5274 #if defined(INET) && defined(INET6) 5275 if (paddrp->spp_address.ss_family == AF_INET6) { 5276 struct sockaddr_in6 *sin6; 5277 5278 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5279 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5280 in6_sin6_2_sin(&sin_store, sin6); 5281 addr = (struct sockaddr *)&sin_store; 5282 } else { 5283 addr = (struct sockaddr *)&paddrp->spp_address; 5284 } 5285 } else { 5286 addr = (struct sockaddr *)&paddrp->spp_address; 5287 } 5288 #else 5289 addr = (struct sockaddr *)&paddrp->spp_address; 5290 #endif 5291 if (stcb != NULL) { 5292 net = sctp_findnet(stcb, addr); 5293 } else { 5294 /* 5295 * We increment here since 5296 * sctp_findassociation_ep_addr() wil do a 5297 * decrement if it finds the stcb as long as 5298 * the locked tcb (last argument) is NOT a 5299 * TCB.. aka NULL. 5300 */ 5301 net = NULL; 5302 SCTP_INP_INCR_REF(inp); 5303 stcb = sctp_findassociation_ep_addr(&inp, addr, 5304 &net, NULL, NULL); 5305 if (stcb == NULL) { 5306 SCTP_INP_DECR_REF(inp); 5307 } 5308 } 5309 if ((stcb != NULL) && (net == NULL)) { 5310 #ifdef INET 5311 if (addr->sa_family == AF_INET) { 5312 5313 struct sockaddr_in *sin; 5314 5315 sin = (struct sockaddr_in *)addr; 5316 if (sin->sin_addr.s_addr != INADDR_ANY) { 5317 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5318 SCTP_TCB_UNLOCK(stcb); 5319 error = EINVAL; 5320 break; 5321 } 5322 } else 5323 #endif 5324 #ifdef INET6 5325 if (addr->sa_family == AF_INET6) { 5326 struct sockaddr_in6 *sin6; 5327 5328 sin6 = (struct sockaddr_in6 *)addr; 5329 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5331 SCTP_TCB_UNLOCK(stcb); 5332 error = EINVAL; 5333 break; 5334 } 5335 } else 5336 #endif 5337 { 5338 error = EAFNOSUPPORT; 5339 SCTP_TCB_UNLOCK(stcb); 5340 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5341 break; 5342 } 5343 } 5344 /* sanity checks */ 5345 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5346 if (stcb) 5347 SCTP_TCB_UNLOCK(stcb); 5348 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5349 return (EINVAL); 5350 } 5351 5352 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5353 if (stcb) 5354 SCTP_TCB_UNLOCK(stcb); 5355 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5356 return (EINVAL); 5357 } 5358 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5359 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5360 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5361 if (stcb) 5362 SCTP_TCB_UNLOCK(stcb); 5363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5364 return (EINVAL); 5365 } 5366 5367 if (stcb != NULL) { 5368 /************************TCB SPECIFIC SET ******************/ 5369 if (net != NULL) { 5370 /************************NET SPECIFIC SET ******************/ 5371 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5372 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5373 !(net->dest_state & SCTP_ADDR_NOHB)) { 5374 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5375 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5376 } 5377 net->dest_state |= SCTP_ADDR_NOHB; 5378 } 5379 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5380 if (paddrp->spp_hbinterval) { 5381 net->heart_beat_delay = paddrp->spp_hbinterval; 5382 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5383 net->heart_beat_delay = 0; 5384 } 5385 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5386 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5387 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5388 net->dest_state &= ~SCTP_ADDR_NOHB; 5389 } 5390 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5391 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5392 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5393 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5394 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5395 } 5396 } 5397 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5398 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5399 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5400 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5401 } 5402 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5403 net->mtu = paddrp->spp_pathmtu; 5404 switch (net->ro._l_addr.sa.sa_family) { 5405 #ifdef INET 5406 case AF_INET: 5407 net->mtu += SCTP_MIN_V4_OVERHEAD; 5408 break; 5409 #endif 5410 #ifdef INET6 5411 case AF_INET6: 5412 net->mtu += SCTP_MIN_OVERHEAD; 5413 break; 5414 #endif 5415 default: 5416 break; 5417 } 5418 if (net->mtu < stcb->asoc.smallest_mtu) { 5419 sctp_pathmtu_adjustment(stcb, net->mtu); 5420 } 5421 } 5422 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5423 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5424 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5425 } 5426 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5427 } 5428 if (paddrp->spp_pathmaxrxt) { 5429 if (net->dest_state & SCTP_ADDR_PF) { 5430 if (net->error_count > paddrp->spp_pathmaxrxt) { 5431 net->dest_state &= ~SCTP_ADDR_PF; 5432 } 5433 } else { 5434 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5435 (net->error_count > net->pf_threshold)) { 5436 net->dest_state |= SCTP_ADDR_PF; 5437 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5438 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5439 stcb->sctp_ep, stcb, net, 5440 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5441 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5442 } 5443 } 5444 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5445 if (net->error_count > paddrp->spp_pathmaxrxt) { 5446 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5447 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5448 } 5449 } else { 5450 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5451 net->dest_state |= SCTP_ADDR_REACHABLE; 5452 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5453 } 5454 } 5455 net->failure_threshold = paddrp->spp_pathmaxrxt; 5456 } 5457 if (paddrp->spp_flags & SPP_DSCP) { 5458 net->dscp = paddrp->spp_dscp & 0xfc; 5459 net->dscp |= 0x01; 5460 } 5461 #ifdef INET6 5462 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5463 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5464 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5465 net->flowlabel |= 0x80000000; 5466 } 5467 } 5468 #endif 5469 } else { 5470 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5471 if (paddrp->spp_pathmaxrxt != 0) { 5472 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5473 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5474 if (net->dest_state & SCTP_ADDR_PF) { 5475 if (net->error_count > paddrp->spp_pathmaxrxt) { 5476 net->dest_state &= ~SCTP_ADDR_PF; 5477 } 5478 } else { 5479 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5480 (net->error_count > net->pf_threshold)) { 5481 net->dest_state |= SCTP_ADDR_PF; 5482 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5483 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5484 stcb->sctp_ep, stcb, net, 5485 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5486 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5487 } 5488 } 5489 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5490 if (net->error_count > paddrp->spp_pathmaxrxt) { 5491 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5492 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5493 } 5494 } else { 5495 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5496 net->dest_state |= SCTP_ADDR_REACHABLE; 5497 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5498 } 5499 } 5500 net->failure_threshold = paddrp->spp_pathmaxrxt; 5501 } 5502 } 5503 5504 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5505 if (paddrp->spp_hbinterval != 0) { 5506 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5507 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5508 stcb->asoc.heart_beat_delay = 0; 5509 } 5510 /* Turn back on the timer */ 5511 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5512 if (paddrp->spp_hbinterval != 0) { 5513 net->heart_beat_delay = paddrp->spp_hbinterval; 5514 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5515 net->heart_beat_delay = 0; 5516 } 5517 if (net->dest_state & SCTP_ADDR_NOHB) { 5518 net->dest_state &= ~SCTP_ADDR_NOHB; 5519 } 5520 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5521 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5522 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5523 } 5524 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5525 } 5526 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5527 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5528 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5529 net->dest_state |= SCTP_ADDR_NOHB; 5530 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5531 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5532 inp, stcb, net, 5533 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5534 } 5535 } 5536 } 5537 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5538 } 5539 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5540 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5541 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5542 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5543 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5544 } 5545 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5546 net->mtu = paddrp->spp_pathmtu; 5547 switch (net->ro._l_addr.sa.sa_family) { 5548 #ifdef INET 5549 case AF_INET: 5550 net->mtu += SCTP_MIN_V4_OVERHEAD; 5551 break; 5552 #endif 5553 #ifdef INET6 5554 case AF_INET6: 5555 net->mtu += SCTP_MIN_OVERHEAD; 5556 break; 5557 #endif 5558 default: 5559 break; 5560 } 5561 if (net->mtu < stcb->asoc.smallest_mtu) { 5562 sctp_pathmtu_adjustment(stcb, net->mtu); 5563 } 5564 } 5565 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5566 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5567 } 5568 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5569 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5570 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5571 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5572 } 5573 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5574 } 5575 stcb->asoc.default_mtu = 0; 5576 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5577 } 5578 if (paddrp->spp_flags & SPP_DSCP) { 5579 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5580 net->dscp = paddrp->spp_dscp & 0xfc; 5581 net->dscp |= 0x01; 5582 } 5583 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5584 stcb->asoc.default_dscp |= 0x01; 5585 } 5586 #ifdef INET6 5587 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5588 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5589 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5590 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5591 net->flowlabel |= 0x80000000; 5592 } 5593 } 5594 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5595 stcb->asoc.default_flowlabel |= 0x80000000; 5596 } 5597 #endif 5598 } 5599 SCTP_TCB_UNLOCK(stcb); 5600 } else { 5601 /************************NO TCB, SET TO default stuff ******************/ 5602 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5603 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5604 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5605 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5606 SCTP_INP_WLOCK(inp); 5607 /* 5608 * For the TOS/FLOWLABEL stuff you 5609 * set it with the options on the 5610 * socket 5611 */ 5612 if (paddrp->spp_pathmaxrxt != 0) { 5613 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5614 } 5615 5616 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5617 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5618 else if (paddrp->spp_hbinterval != 0) { 5619 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5620 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5621 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5622 } 5623 5624 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5625 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5626 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5627 } else if (paddrp->spp_hbinterval) { 5628 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5629 } 5630 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5631 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5632 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5633 } 5634 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5635 inp->sctp_ep.default_mtu = 0; 5636 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5637 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5638 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5639 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5640 } 5641 if (paddrp->spp_flags & SPP_DSCP) { 5642 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5643 inp->sctp_ep.default_dscp |= 0x01; 5644 } 5645 #ifdef INET6 5646 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5647 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5648 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5649 inp->sctp_ep.default_flowlabel |= 0x80000000; 5650 } 5651 } 5652 #endif 5653 SCTP_INP_WUNLOCK(inp); 5654 } else { 5655 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5656 error = EINVAL; 5657 } 5658 } 5659 break; 5660 } 5661 case SCTP_RTOINFO: 5662 { 5663 struct sctp_rtoinfo *srto; 5664 uint32_t new_init, new_min, new_max; 5665 5666 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5667 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5668 5669 if (stcb) { 5670 if (srto->srto_initial) 5671 new_init = srto->srto_initial; 5672 else 5673 new_init = stcb->asoc.initial_rto; 5674 if (srto->srto_max) 5675 new_max = srto->srto_max; 5676 else 5677 new_max = stcb->asoc.maxrto; 5678 if (srto->srto_min) 5679 new_min = srto->srto_min; 5680 else 5681 new_min = stcb->asoc.minrto; 5682 if ((new_min <= new_init) && (new_init <= new_max)) { 5683 stcb->asoc.initial_rto = new_init; 5684 stcb->asoc.maxrto = new_max; 5685 stcb->asoc.minrto = new_min; 5686 } else { 5687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5688 error = EINVAL; 5689 } 5690 SCTP_TCB_UNLOCK(stcb); 5691 } else { 5692 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5693 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5694 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5695 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5696 SCTP_INP_WLOCK(inp); 5697 if (srto->srto_initial) 5698 new_init = srto->srto_initial; 5699 else 5700 new_init = inp->sctp_ep.initial_rto; 5701 if (srto->srto_max) 5702 new_max = srto->srto_max; 5703 else 5704 new_max = inp->sctp_ep.sctp_maxrto; 5705 if (srto->srto_min) 5706 new_min = srto->srto_min; 5707 else 5708 new_min = inp->sctp_ep.sctp_minrto; 5709 if ((new_min <= new_init) && (new_init <= new_max)) { 5710 inp->sctp_ep.initial_rto = new_init; 5711 inp->sctp_ep.sctp_maxrto = new_max; 5712 inp->sctp_ep.sctp_minrto = new_min; 5713 } else { 5714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5715 error = EINVAL; 5716 } 5717 SCTP_INP_WUNLOCK(inp); 5718 } else { 5719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5720 error = EINVAL; 5721 } 5722 } 5723 break; 5724 } 5725 case SCTP_ASSOCINFO: 5726 { 5727 struct sctp_assocparams *sasoc; 5728 5729 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5730 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5731 if (sasoc->sasoc_cookie_life) { 5732 /* boundary check the cookie life */ 5733 if (sasoc->sasoc_cookie_life < 1000) 5734 sasoc->sasoc_cookie_life = 1000; 5735 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5736 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5737 } 5738 } 5739 if (stcb) { 5740 if (sasoc->sasoc_asocmaxrxt) 5741 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5742 if (sasoc->sasoc_cookie_life) { 5743 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5744 } 5745 SCTP_TCB_UNLOCK(stcb); 5746 } else { 5747 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5748 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5749 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5750 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5751 SCTP_INP_WLOCK(inp); 5752 if (sasoc->sasoc_asocmaxrxt) 5753 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5754 if (sasoc->sasoc_cookie_life) { 5755 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5756 } 5757 SCTP_INP_WUNLOCK(inp); 5758 } else { 5759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5760 error = EINVAL; 5761 } 5762 } 5763 break; 5764 } 5765 case SCTP_INITMSG: 5766 { 5767 struct sctp_initmsg *sinit; 5768 5769 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5770 SCTP_INP_WLOCK(inp); 5771 if (sinit->sinit_num_ostreams) 5772 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5773 5774 if (sinit->sinit_max_instreams) 5775 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5776 5777 if (sinit->sinit_max_attempts) 5778 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5779 5780 if (sinit->sinit_max_init_timeo) 5781 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5782 SCTP_INP_WUNLOCK(inp); 5783 break; 5784 } 5785 case SCTP_PRIMARY_ADDR: 5786 { 5787 struct sctp_setprim *spa; 5788 struct sctp_nets *net; 5789 struct sockaddr *addr; 5790 #if defined(INET) && defined(INET6) 5791 struct sockaddr_in sin_store; 5792 #endif 5793 5794 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5795 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5796 5797 #if defined(INET) && defined(INET6) 5798 if (spa->ssp_addr.ss_family == AF_INET6) { 5799 struct sockaddr_in6 *sin6; 5800 5801 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5802 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5803 in6_sin6_2_sin(&sin_store, sin6); 5804 addr = (struct sockaddr *)&sin_store; 5805 } else { 5806 addr = (struct sockaddr *)&spa->ssp_addr; 5807 } 5808 } else { 5809 addr = (struct sockaddr *)&spa->ssp_addr; 5810 } 5811 #else 5812 addr = (struct sockaddr *)&spa->ssp_addr; 5813 #endif 5814 if (stcb != NULL) { 5815 net = sctp_findnet(stcb, addr); 5816 } else { 5817 /* 5818 * We increment here since 5819 * sctp_findassociation_ep_addr() wil do a 5820 * decrement if it finds the stcb as long as 5821 * the locked tcb (last argument) is NOT a 5822 * TCB.. aka NULL. 5823 */ 5824 net = NULL; 5825 SCTP_INP_INCR_REF(inp); 5826 stcb = sctp_findassociation_ep_addr(&inp, addr, 5827 &net, NULL, NULL); 5828 if (stcb == NULL) { 5829 SCTP_INP_DECR_REF(inp); 5830 } 5831 } 5832 5833 if ((stcb != NULL) && (net != NULL)) { 5834 if (net != stcb->asoc.primary_destination) { 5835 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5836 /* Ok we need to set it */ 5837 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5838 if ((stcb->asoc.alternate) && 5839 (!(net->dest_state & SCTP_ADDR_PF)) && 5840 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5841 sctp_free_remote_addr(stcb->asoc.alternate); 5842 stcb->asoc.alternate = NULL; 5843 } 5844 } else { 5845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5846 error = EINVAL; 5847 } 5848 } else { 5849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5850 error = EINVAL; 5851 } 5852 } 5853 } else { 5854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5855 error = EINVAL; 5856 } 5857 if (stcb != NULL) { 5858 SCTP_TCB_UNLOCK(stcb); 5859 } 5860 break; 5861 } 5862 case SCTP_SET_DYNAMIC_PRIMARY: 5863 { 5864 union sctp_sockstore *ss; 5865 5866 error = priv_check(curthread, 5867 PRIV_NETINET_RESERVEDPORT); 5868 if (error) 5869 break; 5870 5871 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5872 /* SUPER USER CHECK? */ 5873 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5874 break; 5875 } 5876 case SCTP_SET_PEER_PRIMARY_ADDR: 5877 { 5878 struct sctp_setpeerprim *sspp; 5879 struct sockaddr *addr; 5880 #if defined(INET) && defined(INET6) 5881 struct sockaddr_in sin_store; 5882 #endif 5883 5884 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5885 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5886 if (stcb != NULL) { 5887 struct sctp_ifa *ifa; 5888 5889 #if defined(INET) && defined(INET6) 5890 if (sspp->sspp_addr.ss_family == AF_INET6) { 5891 struct sockaddr_in6 *sin6; 5892 5893 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5894 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5895 in6_sin6_2_sin(&sin_store, sin6); 5896 addr = (struct sockaddr *)&sin_store; 5897 } else { 5898 addr = (struct sockaddr *)&sspp->sspp_addr; 5899 } 5900 } else { 5901 addr = (struct sockaddr *)&sspp->sspp_addr; 5902 } 5903 #else 5904 addr = (struct sockaddr *)&sspp->sspp_addr; 5905 #endif 5906 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5907 if (ifa == NULL) { 5908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5909 error = EINVAL; 5910 goto out_of_it; 5911 } 5912 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5913 /* 5914 * Must validate the ifa found is in 5915 * our ep 5916 */ 5917 struct sctp_laddr *laddr; 5918 int found = 0; 5919 5920 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5921 if (laddr->ifa == NULL) { 5922 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5923 __func__); 5924 continue; 5925 } 5926 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5927 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5928 continue; 5929 } 5930 if (laddr->ifa == ifa) { 5931 found = 1; 5932 break; 5933 } 5934 } 5935 if (!found) { 5936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5937 error = EINVAL; 5938 goto out_of_it; 5939 } 5940 } else { 5941 switch (addr->sa_family) { 5942 #ifdef INET 5943 case AF_INET: 5944 { 5945 struct sockaddr_in *sin; 5946 5947 sin = (struct sockaddr_in *)addr; 5948 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5949 &sin->sin_addr) != 0) { 5950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5951 error = EINVAL; 5952 goto out_of_it; 5953 } 5954 break; 5955 } 5956 #endif 5957 #ifdef INET6 5958 case AF_INET6: 5959 { 5960 struct sockaddr_in6 *sin6; 5961 5962 sin6 = (struct sockaddr_in6 *)addr; 5963 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5964 &sin6->sin6_addr) != 0) { 5965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5966 error = EINVAL; 5967 goto out_of_it; 5968 } 5969 break; 5970 } 5971 #endif 5972 default: 5973 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5974 error = EINVAL; 5975 goto out_of_it; 5976 } 5977 } 5978 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5980 error = EINVAL; 5981 } 5982 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5983 out_of_it: 5984 SCTP_TCB_UNLOCK(stcb); 5985 } else { 5986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5987 error = EINVAL; 5988 } 5989 break; 5990 } 5991 case SCTP_BINDX_ADD_ADDR: 5992 { 5993 struct sockaddr *sa; 5994 struct thread *td; 5995 5996 td = (struct thread *)p; 5997 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5998 #ifdef INET 5999 if (sa->sa_family == AF_INET) { 6000 if (optsize < sizeof(struct sockaddr_in)) { 6001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6002 error = EINVAL; 6003 break; 6004 } 6005 if (td != NULL && 6006 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6007 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6008 break; 6009 } 6010 } else 6011 #endif 6012 #ifdef INET6 6013 if (sa->sa_family == AF_INET6) { 6014 if (optsize < sizeof(struct sockaddr_in6)) { 6015 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6016 error = EINVAL; 6017 break; 6018 } 6019 if (td != NULL && 6020 (error = prison_local_ip6(td->td_ucred, 6021 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6022 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6023 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6024 break; 6025 } 6026 } else 6027 #endif 6028 { 6029 error = EAFNOSUPPORT; 6030 break; 6031 } 6032 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 6033 break; 6034 } 6035 case SCTP_BINDX_REM_ADDR: 6036 { 6037 struct sockaddr *sa; 6038 struct thread *td; 6039 6040 td = (struct thread *)p; 6041 6042 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 6043 #ifdef INET 6044 if (sa->sa_family == AF_INET) { 6045 if (optsize < sizeof(struct sockaddr_in)) { 6046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6047 error = EINVAL; 6048 break; 6049 } 6050 if (td != NULL && 6051 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6052 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6053 break; 6054 } 6055 } else 6056 #endif 6057 #ifdef INET6 6058 if (sa->sa_family == AF_INET6) { 6059 if (optsize < sizeof(struct sockaddr_in6)) { 6060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6061 error = EINVAL; 6062 break; 6063 } 6064 if (td != NULL && 6065 (error = prison_local_ip6(td->td_ucred, 6066 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6067 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6068 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6069 break; 6070 } 6071 } else 6072 #endif 6073 { 6074 error = EAFNOSUPPORT; 6075 break; 6076 } 6077 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6078 break; 6079 } 6080 case SCTP_EVENT: 6081 { 6082 struct sctp_event *event; 6083 uint32_t event_type; 6084 6085 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6086 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6087 switch (event->se_type) { 6088 case SCTP_ASSOC_CHANGE: 6089 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6090 break; 6091 case SCTP_PEER_ADDR_CHANGE: 6092 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6093 break; 6094 case SCTP_REMOTE_ERROR: 6095 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6096 break; 6097 case SCTP_SEND_FAILED: 6098 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6099 break; 6100 case SCTP_SHUTDOWN_EVENT: 6101 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6102 break; 6103 case SCTP_ADAPTATION_INDICATION: 6104 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6105 break; 6106 case SCTP_PARTIAL_DELIVERY_EVENT: 6107 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6108 break; 6109 case SCTP_AUTHENTICATION_EVENT: 6110 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6111 break; 6112 case SCTP_STREAM_RESET_EVENT: 6113 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6114 break; 6115 case SCTP_SENDER_DRY_EVENT: 6116 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6117 break; 6118 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6119 event_type = 0; 6120 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6121 error = ENOTSUP; 6122 break; 6123 case SCTP_ASSOC_RESET_EVENT: 6124 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6125 break; 6126 case SCTP_STREAM_CHANGE_EVENT: 6127 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6128 break; 6129 case SCTP_SEND_FAILED_EVENT: 6130 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6131 break; 6132 default: 6133 event_type = 0; 6134 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6135 error = EINVAL; 6136 break; 6137 } 6138 if (event_type > 0) { 6139 if (stcb) { 6140 if (event->se_on) { 6141 sctp_stcb_feature_on(inp, stcb, event_type); 6142 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6143 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6144 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6145 (stcb->asoc.stream_queue_cnt == 0)) { 6146 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6147 } 6148 } 6149 } else { 6150 sctp_stcb_feature_off(inp, stcb, event_type); 6151 } 6152 SCTP_TCB_UNLOCK(stcb); 6153 } else { 6154 /* 6155 * We don't want to send up a storm 6156 * of events, so return an error for 6157 * sender dry events 6158 */ 6159 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6160 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6161 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6162 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6163 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6164 error = ENOTSUP; 6165 break; 6166 } 6167 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6168 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6169 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6170 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6171 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6172 SCTP_INP_WLOCK(inp); 6173 if (event->se_on) { 6174 sctp_feature_on(inp, event_type); 6175 } else { 6176 sctp_feature_off(inp, event_type); 6177 } 6178 SCTP_INP_WUNLOCK(inp); 6179 } 6180 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6181 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6182 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6183 SCTP_INP_RLOCK(inp); 6184 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6185 SCTP_TCB_LOCK(stcb); 6186 if (event->se_on) { 6187 sctp_stcb_feature_on(inp, stcb, event_type); 6188 } else { 6189 sctp_stcb_feature_off(inp, stcb, event_type); 6190 } 6191 SCTP_TCB_UNLOCK(stcb); 6192 } 6193 SCTP_INP_RUNLOCK(inp); 6194 } 6195 } 6196 } else { 6197 if (stcb) { 6198 SCTP_TCB_UNLOCK(stcb); 6199 } 6200 } 6201 break; 6202 } 6203 case SCTP_RECVRCVINFO: 6204 { 6205 int *onoff; 6206 6207 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6208 SCTP_INP_WLOCK(inp); 6209 if (*onoff != 0) { 6210 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6211 } else { 6212 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6213 } 6214 SCTP_INP_WUNLOCK(inp); 6215 break; 6216 } 6217 case SCTP_RECVNXTINFO: 6218 { 6219 int *onoff; 6220 6221 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6222 SCTP_INP_WLOCK(inp); 6223 if (*onoff != 0) { 6224 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6225 } else { 6226 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6227 } 6228 SCTP_INP_WUNLOCK(inp); 6229 break; 6230 } 6231 case SCTP_DEFAULT_SNDINFO: 6232 { 6233 struct sctp_sndinfo *info; 6234 uint16_t policy; 6235 6236 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6237 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6238 6239 if (stcb) { 6240 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6241 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6242 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6243 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6244 stcb->asoc.def_send.sinfo_flags |= policy; 6245 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6246 stcb->asoc.def_send.sinfo_context = info->snd_context; 6247 } else { 6248 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6249 error = EINVAL; 6250 } 6251 SCTP_TCB_UNLOCK(stcb); 6252 } else { 6253 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6254 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6255 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6256 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6257 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6258 SCTP_INP_WLOCK(inp); 6259 inp->def_send.sinfo_stream = info->snd_sid; 6260 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6261 inp->def_send.sinfo_flags = info->snd_flags; 6262 inp->def_send.sinfo_flags |= policy; 6263 inp->def_send.sinfo_ppid = info->snd_ppid; 6264 inp->def_send.sinfo_context = info->snd_context; 6265 SCTP_INP_WUNLOCK(inp); 6266 } 6267 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6268 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6269 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6270 SCTP_INP_RLOCK(inp); 6271 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6272 SCTP_TCB_LOCK(stcb); 6273 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6274 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6275 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6276 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6277 stcb->asoc.def_send.sinfo_flags |= policy; 6278 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6279 stcb->asoc.def_send.sinfo_context = info->snd_context; 6280 } 6281 SCTP_TCB_UNLOCK(stcb); 6282 } 6283 SCTP_INP_RUNLOCK(inp); 6284 } 6285 } 6286 break; 6287 } 6288 case SCTP_DEFAULT_PRINFO: 6289 { 6290 struct sctp_default_prinfo *info; 6291 6292 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6293 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6294 6295 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6296 if (stcb) { 6297 SCTP_TCB_UNLOCK(stcb); 6298 } 6299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6300 error = EINVAL; 6301 break; 6302 } 6303 if (stcb) { 6304 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6305 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6306 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6307 SCTP_TCB_UNLOCK(stcb); 6308 } else { 6309 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6310 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6311 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6312 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6313 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6314 SCTP_INP_WLOCK(inp); 6315 inp->def_send.sinfo_flags &= 0xfff0; 6316 inp->def_send.sinfo_flags |= info->pr_policy; 6317 inp->def_send.sinfo_timetolive = info->pr_value; 6318 SCTP_INP_WUNLOCK(inp); 6319 } 6320 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6321 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6322 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6323 SCTP_INP_RLOCK(inp); 6324 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6325 SCTP_TCB_LOCK(stcb); 6326 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6327 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6328 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6329 SCTP_TCB_UNLOCK(stcb); 6330 } 6331 SCTP_INP_RUNLOCK(inp); 6332 } 6333 } 6334 break; 6335 } 6336 case SCTP_PEER_ADDR_THLDS: 6337 /* Applies to the specific association */ 6338 { 6339 struct sctp_paddrthlds *thlds; 6340 struct sctp_nets *net; 6341 struct sockaddr *addr; 6342 #if defined(INET) && defined(INET6) 6343 struct sockaddr_in sin_store; 6344 #endif 6345 6346 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6347 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6348 6349 #if defined(INET) && defined(INET6) 6350 if (thlds->spt_address.ss_family == AF_INET6) { 6351 struct sockaddr_in6 *sin6; 6352 6353 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6354 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6355 in6_sin6_2_sin(&sin_store, sin6); 6356 addr = (struct sockaddr *)&sin_store; 6357 } else { 6358 addr = (struct sockaddr *)&thlds->spt_address; 6359 } 6360 } else { 6361 addr = (struct sockaddr *)&thlds->spt_address; 6362 } 6363 #else 6364 addr = (struct sockaddr *)&thlds->spt_address; 6365 #endif 6366 if (stcb != NULL) { 6367 net = sctp_findnet(stcb, addr); 6368 } else { 6369 /* 6370 * We increment here since 6371 * sctp_findassociation_ep_addr() wil do a 6372 * decrement if it finds the stcb as long as 6373 * the locked tcb (last argument) is NOT a 6374 * TCB.. aka NULL. 6375 */ 6376 net = NULL; 6377 SCTP_INP_INCR_REF(inp); 6378 stcb = sctp_findassociation_ep_addr(&inp, addr, 6379 &net, NULL, NULL); 6380 if (stcb == NULL) { 6381 SCTP_INP_DECR_REF(inp); 6382 } 6383 } 6384 if ((stcb != NULL) && (net == NULL)) { 6385 #ifdef INET 6386 if (addr->sa_family == AF_INET) { 6387 6388 struct sockaddr_in *sin; 6389 6390 sin = (struct sockaddr_in *)addr; 6391 if (sin->sin_addr.s_addr != INADDR_ANY) { 6392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6393 SCTP_TCB_UNLOCK(stcb); 6394 error = EINVAL; 6395 break; 6396 } 6397 } else 6398 #endif 6399 #ifdef INET6 6400 if (addr->sa_family == AF_INET6) { 6401 struct sockaddr_in6 *sin6; 6402 6403 sin6 = (struct sockaddr_in6 *)addr; 6404 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6406 SCTP_TCB_UNLOCK(stcb); 6407 error = EINVAL; 6408 break; 6409 } 6410 } else 6411 #endif 6412 { 6413 error = EAFNOSUPPORT; 6414 SCTP_TCB_UNLOCK(stcb); 6415 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6416 break; 6417 } 6418 } 6419 if (thlds->spt_pathcpthld != 0xffff) { 6420 if (stcb != NULL) { 6421 SCTP_TCB_UNLOCK(stcb); 6422 } 6423 error = EINVAL; 6424 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6425 break; 6426 } 6427 if (stcb != NULL) { 6428 if (net != NULL) { 6429 net->failure_threshold = thlds->spt_pathmaxrxt; 6430 net->pf_threshold = thlds->spt_pathpfthld; 6431 if (net->dest_state & SCTP_ADDR_PF) { 6432 if ((net->error_count > net->failure_threshold) || 6433 (net->error_count <= net->pf_threshold)) { 6434 net->dest_state &= ~SCTP_ADDR_PF; 6435 } 6436 } else { 6437 if ((net->error_count > net->pf_threshold) && 6438 (net->error_count <= net->failure_threshold)) { 6439 net->dest_state |= SCTP_ADDR_PF; 6440 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6441 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6442 stcb->sctp_ep, stcb, net, 6443 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6444 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6445 } 6446 } 6447 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6448 if (net->error_count > net->failure_threshold) { 6449 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6450 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6451 } 6452 } else { 6453 if (net->error_count <= net->failure_threshold) { 6454 net->dest_state |= SCTP_ADDR_REACHABLE; 6455 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6456 } 6457 } 6458 } else { 6459 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6460 net->failure_threshold = thlds->spt_pathmaxrxt; 6461 net->pf_threshold = thlds->spt_pathpfthld; 6462 if (net->dest_state & SCTP_ADDR_PF) { 6463 if ((net->error_count > net->failure_threshold) || 6464 (net->error_count <= net->pf_threshold)) { 6465 net->dest_state &= ~SCTP_ADDR_PF; 6466 } 6467 } else { 6468 if ((net->error_count > net->pf_threshold) && 6469 (net->error_count <= net->failure_threshold)) { 6470 net->dest_state |= SCTP_ADDR_PF; 6471 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6472 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6473 stcb->sctp_ep, stcb, net, 6474 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6475 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6476 } 6477 } 6478 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6479 if (net->error_count > net->failure_threshold) { 6480 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6481 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6482 } 6483 } else { 6484 if (net->error_count <= net->failure_threshold) { 6485 net->dest_state |= SCTP_ADDR_REACHABLE; 6486 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6487 } 6488 } 6489 } 6490 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6491 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6492 } 6493 SCTP_TCB_UNLOCK(stcb); 6494 } else { 6495 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6496 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6497 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6498 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6499 SCTP_INP_WLOCK(inp); 6500 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6501 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6502 SCTP_INP_WUNLOCK(inp); 6503 } else { 6504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6505 error = EINVAL; 6506 } 6507 } 6508 break; 6509 } 6510 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6511 { 6512 struct sctp_udpencaps *encaps; 6513 struct sctp_nets *net; 6514 struct sockaddr *addr; 6515 #if defined(INET) && defined(INET6) 6516 struct sockaddr_in sin_store; 6517 #endif 6518 6519 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6520 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6521 6522 #if defined(INET) && defined(INET6) 6523 if (encaps->sue_address.ss_family == AF_INET6) { 6524 struct sockaddr_in6 *sin6; 6525 6526 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6527 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6528 in6_sin6_2_sin(&sin_store, sin6); 6529 addr = (struct sockaddr *)&sin_store; 6530 } else { 6531 addr = (struct sockaddr *)&encaps->sue_address; 6532 } 6533 } else { 6534 addr = (struct sockaddr *)&encaps->sue_address; 6535 } 6536 #else 6537 addr = (struct sockaddr *)&encaps->sue_address; 6538 #endif 6539 if (stcb != NULL) { 6540 net = sctp_findnet(stcb, addr); 6541 } else { 6542 /* 6543 * We increment here since 6544 * sctp_findassociation_ep_addr() wil do a 6545 * decrement if it finds the stcb as long as 6546 * the locked tcb (last argument) is NOT a 6547 * TCB.. aka NULL. 6548 */ 6549 net = NULL; 6550 SCTP_INP_INCR_REF(inp); 6551 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6552 if (stcb == NULL) { 6553 SCTP_INP_DECR_REF(inp); 6554 } 6555 } 6556 if ((stcb != NULL) && (net == NULL)) { 6557 #ifdef INET 6558 if (addr->sa_family == AF_INET) { 6559 6560 struct sockaddr_in *sin; 6561 6562 sin = (struct sockaddr_in *)addr; 6563 if (sin->sin_addr.s_addr != INADDR_ANY) { 6564 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6565 SCTP_TCB_UNLOCK(stcb); 6566 error = EINVAL; 6567 break; 6568 } 6569 } else 6570 #endif 6571 #ifdef INET6 6572 if (addr->sa_family == AF_INET6) { 6573 struct sockaddr_in6 *sin6; 6574 6575 sin6 = (struct sockaddr_in6 *)addr; 6576 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6577 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6578 SCTP_TCB_UNLOCK(stcb); 6579 error = EINVAL; 6580 break; 6581 } 6582 } else 6583 #endif 6584 { 6585 error = EAFNOSUPPORT; 6586 SCTP_TCB_UNLOCK(stcb); 6587 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6588 break; 6589 } 6590 } 6591 6592 if (stcb != NULL) { 6593 if (net != NULL) { 6594 net->port = encaps->sue_port; 6595 } else { 6596 stcb->asoc.port = encaps->sue_port; 6597 } 6598 SCTP_TCB_UNLOCK(stcb); 6599 } else { 6600 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6601 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6602 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6603 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6604 SCTP_INP_WLOCK(inp); 6605 inp->sctp_ep.port = encaps->sue_port; 6606 SCTP_INP_WUNLOCK(inp); 6607 } else { 6608 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6609 error = EINVAL; 6610 } 6611 } 6612 break; 6613 } 6614 case SCTP_ECN_SUPPORTED: 6615 { 6616 struct sctp_assoc_value *av; 6617 6618 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6619 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6620 6621 if (stcb) { 6622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6623 error = EINVAL; 6624 SCTP_TCB_UNLOCK(stcb); 6625 } else { 6626 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6627 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6628 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6629 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6630 SCTP_INP_WLOCK(inp); 6631 if (av->assoc_value == 0) { 6632 inp->ecn_supported = 0; 6633 } else { 6634 inp->ecn_supported = 1; 6635 } 6636 SCTP_INP_WUNLOCK(inp); 6637 } else { 6638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6639 error = EINVAL; 6640 } 6641 } 6642 break; 6643 } 6644 case SCTP_PR_SUPPORTED: 6645 { 6646 struct sctp_assoc_value *av; 6647 6648 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6649 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6650 6651 if (stcb) { 6652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6653 error = EINVAL; 6654 SCTP_TCB_UNLOCK(stcb); 6655 } else { 6656 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6657 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6658 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6659 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6660 SCTP_INP_WLOCK(inp); 6661 if (av->assoc_value == 0) { 6662 inp->prsctp_supported = 0; 6663 } else { 6664 inp->prsctp_supported = 1; 6665 } 6666 SCTP_INP_WUNLOCK(inp); 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_AUTH_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->asconf_supported == 1)) { 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->auth_supported = 0; 6702 } else { 6703 inp->auth_supported = 1; 6704 } 6705 SCTP_INP_WUNLOCK(inp); 6706 } 6707 } else { 6708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6709 error = EINVAL; 6710 } 6711 } 6712 break; 6713 } 6714 case SCTP_ASCONF_SUPPORTED: 6715 { 6716 struct sctp_assoc_value *av; 6717 6718 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6719 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6720 6721 if (stcb) { 6722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6723 error = EINVAL; 6724 SCTP_TCB_UNLOCK(stcb); 6725 } else { 6726 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6727 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6728 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6729 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6730 if ((av->assoc_value != 0) && 6731 (inp->auth_supported == 0)) { 6732 /* 6733 * AUTH is required for 6734 * ASCONF 6735 */ 6736 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6737 error = EINVAL; 6738 } else { 6739 SCTP_INP_WLOCK(inp); 6740 if (av->assoc_value == 0) { 6741 inp->asconf_supported = 0; 6742 sctp_auth_delete_chunk(SCTP_ASCONF, 6743 inp->sctp_ep.local_auth_chunks); 6744 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6745 inp->sctp_ep.local_auth_chunks); 6746 } else { 6747 inp->asconf_supported = 1; 6748 sctp_auth_add_chunk(SCTP_ASCONF, 6749 inp->sctp_ep.local_auth_chunks); 6750 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6751 inp->sctp_ep.local_auth_chunks); 6752 } 6753 SCTP_INP_WUNLOCK(inp); 6754 } 6755 } else { 6756 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6757 error = EINVAL; 6758 } 6759 } 6760 break; 6761 } 6762 case SCTP_RECONFIG_SUPPORTED: 6763 { 6764 struct sctp_assoc_value *av; 6765 6766 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6767 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6768 6769 if (stcb) { 6770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6771 error = EINVAL; 6772 SCTP_TCB_UNLOCK(stcb); 6773 } else { 6774 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6775 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6776 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6777 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6778 SCTP_INP_WLOCK(inp); 6779 if (av->assoc_value == 0) { 6780 inp->reconfig_supported = 0; 6781 } else { 6782 inp->reconfig_supported = 1; 6783 } 6784 SCTP_INP_WUNLOCK(inp); 6785 } else { 6786 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6787 error = EINVAL; 6788 } 6789 } 6790 break; 6791 } 6792 case SCTP_NRSACK_SUPPORTED: 6793 { 6794 struct sctp_assoc_value *av; 6795 6796 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6797 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6798 6799 if (stcb) { 6800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6801 error = EINVAL; 6802 SCTP_TCB_UNLOCK(stcb); 6803 } else { 6804 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6805 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6806 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6807 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6808 SCTP_INP_WLOCK(inp); 6809 if (av->assoc_value == 0) { 6810 inp->nrsack_supported = 0; 6811 } else { 6812 inp->nrsack_supported = 1; 6813 } 6814 SCTP_INP_WUNLOCK(inp); 6815 } else { 6816 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6817 error = EINVAL; 6818 } 6819 } 6820 break; 6821 } 6822 case SCTP_PKTDROP_SUPPORTED: 6823 { 6824 struct sctp_assoc_value *av; 6825 6826 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6827 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6828 6829 if (stcb) { 6830 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6831 error = EINVAL; 6832 SCTP_TCB_UNLOCK(stcb); 6833 } else { 6834 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6835 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6836 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6837 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6838 SCTP_INP_WLOCK(inp); 6839 if (av->assoc_value == 0) { 6840 inp->pktdrop_supported = 0; 6841 } else { 6842 inp->pktdrop_supported = 1; 6843 } 6844 SCTP_INP_WUNLOCK(inp); 6845 } else { 6846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6847 error = EINVAL; 6848 } 6849 } 6850 break; 6851 } 6852 case SCTP_MAX_CWND: 6853 { 6854 struct sctp_assoc_value *av; 6855 struct sctp_nets *net; 6856 6857 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6858 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6859 6860 if (stcb) { 6861 stcb->asoc.max_cwnd = av->assoc_value; 6862 if (stcb->asoc.max_cwnd > 0) { 6863 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6864 if ((net->cwnd > stcb->asoc.max_cwnd) && 6865 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6866 net->cwnd = stcb->asoc.max_cwnd; 6867 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6868 net->cwnd = net->mtu - sizeof(struct sctphdr); 6869 } 6870 } 6871 } 6872 } 6873 SCTP_TCB_UNLOCK(stcb); 6874 } else { 6875 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6876 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6877 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6878 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6879 SCTP_INP_WLOCK(inp); 6880 inp->max_cwnd = av->assoc_value; 6881 SCTP_INP_WUNLOCK(inp); 6882 } else { 6883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6884 error = EINVAL; 6885 } 6886 } 6887 break; 6888 } 6889 default: 6890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6891 error = ENOPROTOOPT; 6892 break; 6893 } /* end switch (opt) */ 6894 return (error); 6895 } 6896 6897 int 6898 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6899 { 6900 struct epoch_tracker et; 6901 struct sctp_inpcb *inp; 6902 void *optval = NULL; 6903 void *p; 6904 size_t optsize = 0; 6905 int error = 0; 6906 6907 if ((sopt->sopt_level == SOL_SOCKET) && 6908 (sopt->sopt_name == SO_SETFIB)) { 6909 inp = (struct sctp_inpcb *)so->so_pcb; 6910 if (inp == NULL) { 6911 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6912 return (EINVAL); 6913 } 6914 SCTP_INP_WLOCK(inp); 6915 inp->fibnum = so->so_fibnum; 6916 SCTP_INP_WUNLOCK(inp); 6917 return (0); 6918 } 6919 if (sopt->sopt_level != IPPROTO_SCTP) { 6920 /* wrong proto level... send back up to IP */ 6921 #ifdef INET6 6922 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6923 error = ip6_ctloutput(so, sopt); 6924 #endif /* INET6 */ 6925 #if defined(INET) && defined(INET6) 6926 else 6927 #endif 6928 #ifdef INET 6929 error = ip_ctloutput(so, sopt); 6930 #endif 6931 return (error); 6932 } 6933 optsize = sopt->sopt_valsize; 6934 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6935 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6936 return (ENOBUFS); 6937 } 6938 if (optsize) { 6939 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6940 if (optval == NULL) { 6941 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6942 return (ENOBUFS); 6943 } 6944 error = sooptcopyin(sopt, optval, optsize, optsize); 6945 if (error) { 6946 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6947 goto out; 6948 } 6949 } 6950 p = (void *)sopt->sopt_td; 6951 if (sopt->sopt_dir == SOPT_SET) { 6952 NET_EPOCH_ENTER(et); 6953 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6954 NET_EPOCH_EXIT(et); 6955 } else if (sopt->sopt_dir == SOPT_GET) { 6956 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6957 } else { 6958 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6959 error = EINVAL; 6960 } 6961 if ((error == 0) && (optval != NULL)) { 6962 error = sooptcopyout(sopt, optval, optsize); 6963 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6964 } else if (optval != NULL) { 6965 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6966 } 6967 out: 6968 return (error); 6969 } 6970 6971 #ifdef INET 6972 static int 6973 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6974 { 6975 struct epoch_tracker et; 6976 int error = 0; 6977 int create_lock_on = 0; 6978 uint32_t vrf_id; 6979 struct sctp_inpcb *inp; 6980 struct sctp_tcb *stcb = NULL; 6981 6982 inp = (struct sctp_inpcb *)so->so_pcb; 6983 if (inp == NULL) { 6984 /* I made the same as TCP since we are not setup? */ 6985 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6986 return (ECONNRESET); 6987 } 6988 if (addr == NULL) { 6989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6990 return EINVAL; 6991 } 6992 6993 switch (addr->sa_family) { 6994 #ifdef INET6 6995 case AF_INET6: 6996 { 6997 struct sockaddr_in6 *sin6; 6998 6999 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 7000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7001 return (EINVAL); 7002 } 7003 sin6 = (struct sockaddr_in6 *)addr; 7004 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 7005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7006 return (error); 7007 } 7008 break; 7009 } 7010 #endif 7011 #ifdef INET 7012 case AF_INET: 7013 { 7014 struct sockaddr_in *sin; 7015 7016 if (addr->sa_len != sizeof(struct sockaddr_in)) { 7017 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7018 return (EINVAL); 7019 } 7020 sin = (struct sockaddr_in *)addr; 7021 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 7022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7023 return (error); 7024 } 7025 break; 7026 } 7027 #endif 7028 default: 7029 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 7030 return (EAFNOSUPPORT); 7031 } 7032 SCTP_INP_INCR_REF(inp); 7033 SCTP_ASOC_CREATE_LOCK(inp); 7034 create_lock_on = 1; 7035 NET_EPOCH_ENTER(et); 7036 7037 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 7038 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 7039 /* Should I really unlock ? */ 7040 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 7041 error = EFAULT; 7042 goto out_now; 7043 } 7044 #ifdef INET6 7045 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 7046 (addr->sa_family == AF_INET6)) { 7047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7048 error = EINVAL; 7049 goto out_now; 7050 } 7051 #endif 7052 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 7053 SCTP_PCB_FLAGS_UNBOUND) { 7054 /* Bind a ephemeral port */ 7055 error = sctp_inpcb_bind(so, NULL, NULL, p); 7056 if (error) { 7057 goto out_now; 7058 } 7059 } 7060 /* Now do we connect? */ 7061 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7062 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7063 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7064 error = EINVAL; 7065 goto out_now; 7066 } 7067 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7068 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7069 /* We are already connected AND the TCP model */ 7070 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7071 error = EADDRINUSE; 7072 goto out_now; 7073 } 7074 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7075 SCTP_INP_RLOCK(inp); 7076 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7077 SCTP_INP_RUNLOCK(inp); 7078 } else { 7079 /* 7080 * We increment here since sctp_findassociation_ep_addr() 7081 * will do a decrement if it finds the stcb as long as the 7082 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7083 */ 7084 SCTP_INP_INCR_REF(inp); 7085 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7086 if (stcb == NULL) { 7087 SCTP_INP_DECR_REF(inp); 7088 } else { 7089 SCTP_TCB_UNLOCK(stcb); 7090 } 7091 } 7092 if (stcb != NULL) { 7093 /* Already have or am bring up an association */ 7094 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7095 error = EALREADY; 7096 goto out_now; 7097 } 7098 7099 vrf_id = inp->def_vrf_id; 7100 /* We are GOOD to go */ 7101 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7102 inp->sctp_ep.pre_open_stream_count, 7103 inp->sctp_ep.port, p, 7104 SCTP_INITIALIZE_AUTH_PARAMS); 7105 if (stcb == NULL) { 7106 /* Gak! no memory */ 7107 goto out_now; 7108 } 7109 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7110 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7111 /* Set the connected flag so we can queue data */ 7112 soisconnecting(so); 7113 } 7114 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7115 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7116 7117 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7118 SCTP_TCB_UNLOCK(stcb); 7119 out_now: 7120 NET_EPOCH_EXIT(et); 7121 if (create_lock_on) { 7122 SCTP_ASOC_CREATE_UNLOCK(inp); 7123 } 7124 SCTP_INP_DECR_REF(inp); 7125 return (error); 7126 } 7127 #endif 7128 7129 int 7130 sctp_listen(struct socket *so, int backlog, struct thread *p) 7131 { 7132 /* 7133 * Note this module depends on the protocol processing being called 7134 * AFTER any socket level flags and backlog are applied to the 7135 * socket. The traditional way that the socket flags are applied is 7136 * AFTER protocol processing. We have made a change to the 7137 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7138 * place if the socket API for SCTP is to work properly. 7139 */ 7140 7141 int error = 0; 7142 struct sctp_inpcb *inp; 7143 7144 inp = (struct sctp_inpcb *)so->so_pcb; 7145 if (inp == NULL) { 7146 /* I made the same as TCP since we are not setup? */ 7147 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7148 return (ECONNRESET); 7149 } 7150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7151 /* See if we have a listener */ 7152 struct sctp_inpcb *tinp; 7153 union sctp_sockstore store; 7154 7155 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7156 /* not bound all */ 7157 struct sctp_laddr *laddr; 7158 7159 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7160 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7161 switch (store.sa.sa_family) { 7162 #ifdef INET 7163 case AF_INET: 7164 store.sin.sin_port = inp->sctp_lport; 7165 break; 7166 #endif 7167 #ifdef INET6 7168 case AF_INET6: 7169 store.sin6.sin6_port = inp->sctp_lport; 7170 break; 7171 #endif 7172 default: 7173 break; 7174 } 7175 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7176 if (tinp && (tinp != inp) && 7177 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7178 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7179 (SCTP_IS_LISTENING(tinp))) { 7180 /* 7181 * we have a listener already and 7182 * its not this inp. 7183 */ 7184 SCTP_INP_DECR_REF(tinp); 7185 return (EADDRINUSE); 7186 } else if (tinp) { 7187 SCTP_INP_DECR_REF(tinp); 7188 } 7189 } 7190 } else { 7191 /* Setup a local addr bound all */ 7192 memset(&store, 0, sizeof(store)); 7193 #ifdef INET6 7194 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7195 store.sa.sa_family = AF_INET6; 7196 store.sa.sa_len = sizeof(struct sockaddr_in6); 7197 } 7198 #endif 7199 #ifdef INET 7200 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7201 store.sa.sa_family = AF_INET; 7202 store.sa.sa_len = sizeof(struct sockaddr_in); 7203 } 7204 #endif 7205 switch (store.sa.sa_family) { 7206 #ifdef INET 7207 case AF_INET: 7208 store.sin.sin_port = inp->sctp_lport; 7209 break; 7210 #endif 7211 #ifdef INET6 7212 case AF_INET6: 7213 store.sin6.sin6_port = inp->sctp_lport; 7214 break; 7215 #endif 7216 default: 7217 break; 7218 } 7219 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7220 if (tinp && (tinp != inp) && 7221 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7222 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7223 (SCTP_IS_LISTENING(tinp))) { 7224 /* 7225 * we have a listener already and its not 7226 * this inp. 7227 */ 7228 SCTP_INP_DECR_REF(tinp); 7229 return (EADDRINUSE); 7230 } else if (tinp) { 7231 SCTP_INP_DECR_REF(tinp); 7232 } 7233 } 7234 } 7235 SCTP_INP_RLOCK(inp); 7236 #ifdef SCTP_LOCK_LOGGING 7237 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7238 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7239 } 7240 #endif 7241 SOCK_LOCK(so); 7242 error = solisten_proto_check(so); 7243 SOCK_UNLOCK(so); 7244 if (error) { 7245 SCTP_INP_RUNLOCK(inp); 7246 return (error); 7247 } 7248 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7249 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7250 /* 7251 * The unlucky case - We are in the tcp pool with this guy. 7252 * - Someone else is in the main inp slot. - We must move 7253 * this guy (the listener) to the main slot - We must then 7254 * move the guy that was listener to the TCP Pool. 7255 */ 7256 if (sctp_swap_inpcb_for_listen(inp)) { 7257 SCTP_INP_RUNLOCK(inp); 7258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7259 return (EADDRINUSE); 7260 } 7261 } 7262 7263 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7264 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7265 /* We are already connected AND the TCP model */ 7266 SCTP_INP_RUNLOCK(inp); 7267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7268 return (EADDRINUSE); 7269 } 7270 SCTP_INP_RUNLOCK(inp); 7271 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7272 /* We must do a bind. */ 7273 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7274 /* bind error, probably perm */ 7275 return (error); 7276 } 7277 } 7278 SCTP_INP_WLOCK(inp); 7279 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7280 SOCK_LOCK(so); 7281 solisten_proto(so, backlog); 7282 SOCK_UNLOCK(so); 7283 } 7284 if (backlog > 0) { 7285 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7286 } else { 7287 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7288 } 7289 SCTP_INP_WUNLOCK(inp); 7290 return (error); 7291 } 7292 7293 static int sctp_defered_wakeup_cnt = 0; 7294 7295 int 7296 sctp_accept(struct socket *so, struct sockaddr **addr) 7297 { 7298 struct sctp_tcb *stcb; 7299 struct sctp_inpcb *inp; 7300 union sctp_sockstore store; 7301 #ifdef INET6 7302 int error; 7303 #endif 7304 inp = (struct sctp_inpcb *)so->so_pcb; 7305 7306 if (inp == NULL) { 7307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7308 return (ECONNRESET); 7309 } 7310 SCTP_INP_WLOCK(inp); 7311 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7312 SCTP_INP_WUNLOCK(inp); 7313 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7314 return (EOPNOTSUPP); 7315 } 7316 if (so->so_state & SS_ISDISCONNECTED) { 7317 SCTP_INP_WUNLOCK(inp); 7318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7319 return (ECONNABORTED); 7320 } 7321 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7322 if (stcb == NULL) { 7323 SCTP_INP_WUNLOCK(inp); 7324 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7325 return (ECONNRESET); 7326 } 7327 SCTP_TCB_LOCK(stcb); 7328 store = stcb->asoc.primary_destination->ro._l_addr; 7329 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7330 /* Wake any delayed sleep action */ 7331 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7332 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7333 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7334 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7335 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7336 if (sowriteable(inp->sctp_socket)) { 7337 sowwakeup_locked(inp->sctp_socket); 7338 } else { 7339 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7340 } 7341 } 7342 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7343 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7344 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7345 if (soreadable(inp->sctp_socket)) { 7346 sctp_defered_wakeup_cnt++; 7347 sorwakeup_locked(inp->sctp_socket); 7348 } else { 7349 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7350 } 7351 } 7352 } 7353 SCTP_INP_WUNLOCK(inp); 7354 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7355 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7356 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7357 } else { 7358 SCTP_TCB_UNLOCK(stcb); 7359 } 7360 switch (store.sa.sa_family) { 7361 #ifdef INET 7362 case AF_INET: 7363 { 7364 struct sockaddr_in *sin; 7365 7366 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7367 if (sin == NULL) 7368 return (ENOMEM); 7369 sin->sin_family = AF_INET; 7370 sin->sin_len = sizeof(*sin); 7371 sin->sin_port = store.sin.sin_port; 7372 sin->sin_addr = store.sin.sin_addr; 7373 *addr = (struct sockaddr *)sin; 7374 break; 7375 } 7376 #endif 7377 #ifdef INET6 7378 case AF_INET6: 7379 { 7380 struct sockaddr_in6 *sin6; 7381 7382 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7383 if (sin6 == NULL) 7384 return (ENOMEM); 7385 sin6->sin6_family = AF_INET6; 7386 sin6->sin6_len = sizeof(*sin6); 7387 sin6->sin6_port = store.sin6.sin6_port; 7388 sin6->sin6_addr = store.sin6.sin6_addr; 7389 if ((error = sa6_recoverscope(sin6)) != 0) { 7390 SCTP_FREE_SONAME(sin6); 7391 return (error); 7392 } 7393 *addr = (struct sockaddr *)sin6; 7394 break; 7395 } 7396 #endif 7397 default: 7398 /* TSNH */ 7399 break; 7400 } 7401 return (0); 7402 } 7403 7404 #ifdef INET 7405 int 7406 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7407 { 7408 struct sockaddr_in *sin; 7409 uint32_t vrf_id; 7410 struct sctp_inpcb *inp; 7411 struct sctp_ifa *sctp_ifa; 7412 7413 /* 7414 * Do the malloc first in case it blocks. 7415 */ 7416 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7417 if (sin == NULL) 7418 return (ENOMEM); 7419 sin->sin_family = AF_INET; 7420 sin->sin_len = sizeof(*sin); 7421 inp = (struct sctp_inpcb *)so->so_pcb; 7422 if (!inp) { 7423 SCTP_FREE_SONAME(sin); 7424 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7425 return (ECONNRESET); 7426 } 7427 SCTP_INP_RLOCK(inp); 7428 sin->sin_port = inp->sctp_lport; 7429 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7430 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7431 struct sctp_tcb *stcb; 7432 struct sockaddr_in *sin_a; 7433 struct sctp_nets *net; 7434 int fnd; 7435 7436 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7437 if (stcb == NULL) { 7438 goto notConn; 7439 } 7440 fnd = 0; 7441 sin_a = NULL; 7442 SCTP_TCB_LOCK(stcb); 7443 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7444 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7445 if (sin_a == NULL) 7446 /* this will make coverity happy */ 7447 continue; 7448 7449 if (sin_a->sin_family == AF_INET) { 7450 fnd = 1; 7451 break; 7452 } 7453 } 7454 if ((!fnd) || (sin_a == NULL)) { 7455 /* punt */ 7456 SCTP_TCB_UNLOCK(stcb); 7457 goto notConn; 7458 } 7459 7460 vrf_id = inp->def_vrf_id; 7461 sctp_ifa = sctp_source_address_selection(inp, 7462 stcb, 7463 (sctp_route_t *)&net->ro, 7464 net, 0, vrf_id); 7465 if (sctp_ifa) { 7466 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7467 sctp_free_ifa(sctp_ifa); 7468 } 7469 SCTP_TCB_UNLOCK(stcb); 7470 } else { 7471 /* For the bound all case you get back 0 */ 7472 notConn: 7473 sin->sin_addr.s_addr = 0; 7474 } 7475 7476 } else { 7477 /* Take the first IPv4 address in the list */ 7478 struct sctp_laddr *laddr; 7479 int fnd = 0; 7480 7481 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7482 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7483 struct sockaddr_in *sin_a; 7484 7485 sin_a = &laddr->ifa->address.sin; 7486 sin->sin_addr = sin_a->sin_addr; 7487 fnd = 1; 7488 break; 7489 } 7490 } 7491 if (!fnd) { 7492 SCTP_FREE_SONAME(sin); 7493 SCTP_INP_RUNLOCK(inp); 7494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7495 return (ENOENT); 7496 } 7497 } 7498 SCTP_INP_RUNLOCK(inp); 7499 (*addr) = (struct sockaddr *)sin; 7500 return (0); 7501 } 7502 7503 int 7504 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7505 { 7506 struct sockaddr_in *sin; 7507 int fnd; 7508 struct sockaddr_in *sin_a; 7509 struct sctp_inpcb *inp; 7510 struct sctp_tcb *stcb; 7511 struct sctp_nets *net; 7512 7513 /* Do the malloc first in case it blocks. */ 7514 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7515 if (sin == NULL) 7516 return (ENOMEM); 7517 sin->sin_family = AF_INET; 7518 sin->sin_len = sizeof(*sin); 7519 7520 inp = (struct sctp_inpcb *)so->so_pcb; 7521 if ((inp == NULL) || 7522 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7523 /* UDP type and listeners will drop out here */ 7524 SCTP_FREE_SONAME(sin); 7525 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7526 return (ENOTCONN); 7527 } 7528 SCTP_INP_RLOCK(inp); 7529 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7530 if (stcb) { 7531 SCTP_TCB_LOCK(stcb); 7532 } 7533 SCTP_INP_RUNLOCK(inp); 7534 if (stcb == NULL) { 7535 SCTP_FREE_SONAME(sin); 7536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7537 return (ECONNRESET); 7538 } 7539 fnd = 0; 7540 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7541 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7542 if (sin_a->sin_family == AF_INET) { 7543 fnd = 1; 7544 sin->sin_port = stcb->rport; 7545 sin->sin_addr = sin_a->sin_addr; 7546 break; 7547 } 7548 } 7549 SCTP_TCB_UNLOCK(stcb); 7550 if (!fnd) { 7551 /* No IPv4 address */ 7552 SCTP_FREE_SONAME(sin); 7553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7554 return (ENOENT); 7555 } 7556 (*addr) = (struct sockaddr *)sin; 7557 return (0); 7558 } 7559 7560 struct pr_usrreqs sctp_usrreqs = { 7561 .pru_abort = sctp_abort, 7562 .pru_accept = sctp_accept, 7563 .pru_attach = sctp_attach, 7564 .pru_bind = sctp_bind, 7565 .pru_connect = sctp_connect, 7566 .pru_control = in_control, 7567 .pru_close = sctp_close, 7568 .pru_detach = sctp_close, 7569 .pru_sopoll = sopoll_generic, 7570 .pru_flush = sctp_flush, 7571 .pru_disconnect = sctp_disconnect, 7572 .pru_listen = sctp_listen, 7573 .pru_peeraddr = sctp_peeraddr, 7574 .pru_send = sctp_sendm, 7575 .pru_shutdown = sctp_shutdown, 7576 .pru_sockaddr = sctp_ingetaddr, 7577 .pru_sosend = sctp_sosend, 7578 .pru_soreceive = sctp_soreceive 7579 }; 7580 #endif 7581