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 sctp_pcb_finish(); 101 } 102 103 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 104 #endif 105 106 void 107 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 108 { 109 struct sctp_tmit_chunk *chk; 110 uint16_t overhead; 111 112 /* Adjust that too */ 113 stcb->asoc.smallest_mtu = nxtsz; 114 /* now off to subtract IP_DF flag if needed */ 115 overhead = IP_HDR_SIZE + sizeof(struct sctphdr); 116 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 117 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 118 } 119 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 120 if ((chk->send_size + overhead) > nxtsz) { 121 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 122 } 123 } 124 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 125 if ((chk->send_size + overhead) > nxtsz) { 126 /* 127 * For this guy we also mark for immediate resend 128 * since we sent to big of chunk 129 */ 130 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 131 if (chk->sent < SCTP_DATAGRAM_RESEND) { 132 sctp_flight_size_decrease(chk); 133 sctp_total_flight_decrease(stcb, chk); 134 chk->sent = SCTP_DATAGRAM_RESEND; 135 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 136 chk->rec.data.doing_fast_retransmit = 0; 137 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 138 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 139 chk->whoTo->flight_size, 140 chk->book_size, 141 (uint32_t)(uintptr_t)chk->whoTo, 142 chk->rec.data.tsn); 143 } 144 /* Clear any time so NO RTT is being done */ 145 if (chk->do_rtt == 1) { 146 chk->do_rtt = 0; 147 chk->whoTo->rto_needed = 1; 148 } 149 } 150 } 151 } 152 } 153 154 #ifdef INET 155 void 156 sctp_notify(struct sctp_inpcb *inp, 157 struct sctp_tcb *stcb, 158 struct sctp_nets *net, 159 uint8_t icmp_type, 160 uint8_t icmp_code, 161 uint16_t ip_len, 162 uint32_t next_mtu) 163 { 164 int timer_stopped; 165 166 if (icmp_type != ICMP_UNREACH) { 167 /* We only care about unreachable */ 168 SCTP_TCB_UNLOCK(stcb); 169 return; 170 } 171 if ((icmp_code == ICMP_UNREACH_NET) || 172 (icmp_code == ICMP_UNREACH_HOST) || 173 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 174 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 175 (icmp_code == ICMP_UNREACH_ISOLATED) || 176 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 177 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 178 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 179 /* Mark the net unreachable. */ 180 if (net->dest_state & SCTP_ADDR_REACHABLE) { 181 /* OK, that destination is NOT reachable. */ 182 net->dest_state &= ~SCTP_ADDR_REACHABLE; 183 net->dest_state &= ~SCTP_ADDR_PF; 184 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 185 stcb, 0, 186 (void *)net, SCTP_SO_NOT_LOCKED); 187 } 188 SCTP_TCB_UNLOCK(stcb); 189 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 190 (icmp_code == ICMP_UNREACH_PORT)) { 191 /* Treat it like an ABORT. */ 192 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 193 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 194 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 195 /* no need to unlock here, since the TCB is gone */ 196 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 197 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 198 SCTP_TCB_UNLOCK(stcb); 199 return; 200 } 201 /* Find the next (smaller) MTU */ 202 if (next_mtu == 0) { 203 /* 204 * Old type router that does not tell us what the 205 * next MTU is. Rats we will have to guess (in a 206 * educated fashion of course). 207 */ 208 next_mtu = sctp_get_prev_mtu(ip_len); 209 } 210 /* Stop the PMTU timer. */ 211 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 212 timer_stopped = 1; 213 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 214 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 215 } else { 216 timer_stopped = 0; 217 } 218 /* Update the path MTU. */ 219 if (net->port) { 220 next_mtu -= sizeof(struct udphdr); 221 } 222 if (net->mtu > next_mtu) { 223 net->mtu = next_mtu; 224 if (net->port) { 225 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 226 } else { 227 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 228 } 229 } 230 /* Update the association MTU */ 231 if (stcb->asoc.smallest_mtu > next_mtu) { 232 sctp_pathmtu_adjustment(stcb, next_mtu); 233 } 234 /* Finally, start the PMTU timer if it was running before. */ 235 if (timer_stopped) { 236 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 237 } 238 SCTP_TCB_UNLOCK(stcb); 239 } else { 240 SCTP_TCB_UNLOCK(stcb); 241 } 242 } 243 244 void 245 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 246 { 247 struct ip *outer_ip; 248 struct ip *inner_ip; 249 struct sctphdr *sh; 250 struct icmp *icmp; 251 struct sctp_inpcb *inp; 252 struct sctp_tcb *stcb; 253 struct sctp_nets *net; 254 struct sctp_init_chunk *ch; 255 struct sockaddr_in src, dst; 256 257 if (sa->sa_family != AF_INET || 258 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 259 return; 260 } 261 if (PRC_IS_REDIRECT(cmd)) { 262 vip = NULL; 263 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 264 return; 265 } 266 if (vip != NULL) { 267 inner_ip = (struct ip *)vip; 268 icmp = (struct icmp *)((caddr_t)inner_ip - 269 (sizeof(struct icmp) - sizeof(struct ip))); 270 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 271 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 272 memset(&src, 0, sizeof(struct sockaddr_in)); 273 src.sin_family = AF_INET; 274 src.sin_len = sizeof(struct sockaddr_in); 275 src.sin_port = sh->src_port; 276 src.sin_addr = inner_ip->ip_src; 277 memset(&dst, 0, sizeof(struct sockaddr_in)); 278 dst.sin_family = AF_INET; 279 dst.sin_len = sizeof(struct sockaddr_in); 280 dst.sin_port = sh->dest_port; 281 dst.sin_addr = inner_ip->ip_dst; 282 /* 283 * 'dst' holds the dest of the packet that failed to be 284 * sent. 'src' holds our local endpoint address. Thus we 285 * reverse the dst and the src in the lookup. 286 */ 287 inp = NULL; 288 net = NULL; 289 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 290 (struct sockaddr *)&src, 291 &inp, &net, 1, 292 SCTP_DEFAULT_VRFID); 293 if ((stcb != NULL) && 294 (net != NULL) && 295 (inp != NULL)) { 296 /* Check the verification tag */ 297 if (ntohl(sh->v_tag) != 0) { 298 /* 299 * This must be the verification tag used 300 * for sending out packets. We don't 301 * consider packets reflecting the 302 * verification tag. 303 */ 304 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 305 SCTP_TCB_UNLOCK(stcb); 306 return; 307 } 308 } else { 309 if (ntohs(outer_ip->ip_len) >= 310 sizeof(struct ip) + 311 8 + (inner_ip->ip_hl << 2) + 20) { 312 /* 313 * In this case we can check if we 314 * got an INIT chunk and if the 315 * initiate tag matches. 316 */ 317 ch = (struct sctp_init_chunk *)(sh + 1); 318 if ((ch->ch.chunk_type != SCTP_INITIATION) || 319 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 320 SCTP_TCB_UNLOCK(stcb); 321 return; 322 } 323 } else { 324 SCTP_TCB_UNLOCK(stcb); 325 return; 326 } 327 } 328 sctp_notify(inp, stcb, net, 329 icmp->icmp_type, 330 icmp->icmp_code, 331 ntohs(inner_ip->ip_len), 332 (uint32_t)ntohs(icmp->icmp_nextmtu)); 333 } else { 334 if ((stcb == NULL) && (inp != NULL)) { 335 /* reduce ref-count */ 336 SCTP_INP_WLOCK(inp); 337 SCTP_INP_DECR_REF(inp); 338 SCTP_INP_WUNLOCK(inp); 339 } 340 if (stcb) { 341 SCTP_TCB_UNLOCK(stcb); 342 } 343 } 344 } 345 return; 346 } 347 #endif 348 349 static int 350 sctp_getcred(SYSCTL_HANDLER_ARGS) 351 { 352 struct xucred xuc; 353 struct sockaddr_in addrs[2]; 354 struct sctp_inpcb *inp; 355 struct sctp_nets *net; 356 struct sctp_tcb *stcb; 357 int error; 358 uint32_t vrf_id; 359 360 /* FIX, for non-bsd is this right? */ 361 vrf_id = SCTP_DEFAULT_VRFID; 362 363 error = priv_check(req->td, PRIV_NETINET_GETCRED); 364 365 if (error) 366 return (error); 367 368 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 369 if (error) 370 return (error); 371 372 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 373 sintosa(&addrs[0]), 374 &inp, &net, 1, vrf_id); 375 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 376 if ((inp != NULL) && (stcb == NULL)) { 377 /* reduce ref-count */ 378 SCTP_INP_WLOCK(inp); 379 SCTP_INP_DECR_REF(inp); 380 goto cred_can_cont; 381 } 382 383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 384 error = ENOENT; 385 goto out; 386 } 387 SCTP_TCB_UNLOCK(stcb); 388 /* 389 * We use the write lock here, only since in the error leg we need 390 * it. If we used RLOCK, then we would have to 391 * wlock/decr/unlock/rlock. Which in theory could create a hole. 392 * Better to use higher wlock. 393 */ 394 SCTP_INP_WLOCK(inp); 395 cred_can_cont: 396 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 397 if (error) { 398 SCTP_INP_WUNLOCK(inp); 399 goto out; 400 } 401 cru2x(inp->sctp_socket->so_cred, &xuc); 402 SCTP_INP_WUNLOCK(inp); 403 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 404 out: 405 return (error); 406 } 407 408 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 409 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 410 0, 0, sctp_getcred, "S,ucred", 411 "Get the ucred of a SCTP connection"); 412 413 414 #ifdef INET 415 static void 416 sctp_abort(struct socket *so) 417 { 418 struct epoch_tracker et; 419 struct sctp_inpcb *inp; 420 uint32_t flags; 421 422 inp = (struct sctp_inpcb *)so->so_pcb; 423 if (inp == NULL) { 424 return; 425 } 426 427 NET_EPOCH_ENTER(et); 428 sctp_must_try_again: 429 flags = inp->sctp_flags; 430 #ifdef SCTP_LOG_CLOSING 431 sctp_log_closing(inp, NULL, 17); 432 #endif 433 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 434 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 435 #ifdef SCTP_LOG_CLOSING 436 sctp_log_closing(inp, NULL, 16); 437 #endif 438 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 439 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 440 SOCK_LOCK(so); 441 SCTP_SB_CLEAR(so->so_snd); 442 /* 443 * same for the rcv ones, they are only here for the 444 * accounting/select. 445 */ 446 SCTP_SB_CLEAR(so->so_rcv); 447 448 /* Now null out the reference, we are completely detached. */ 449 so->so_pcb = NULL; 450 SOCK_UNLOCK(so); 451 } else { 452 flags = inp->sctp_flags; 453 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 454 goto sctp_must_try_again; 455 } 456 } 457 NET_EPOCH_EXIT(et); 458 return; 459 } 460 461 static int 462 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 463 { 464 struct sctp_inpcb *inp; 465 struct inpcb *ip_inp; 466 int error; 467 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 468 469 inp = (struct sctp_inpcb *)so->so_pcb; 470 if (inp != NULL) { 471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 472 return (EINVAL); 473 } 474 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 475 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 476 if (error) { 477 return (error); 478 } 479 } 480 error = sctp_inpcb_alloc(so, vrf_id); 481 if (error) { 482 return (error); 483 } 484 inp = (struct sctp_inpcb *)so->so_pcb; 485 SCTP_INP_WLOCK(inp); 486 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 487 ip_inp = &inp->ip_inp.inp; 488 ip_inp->inp_vflag |= INP_IPV4; 489 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 490 SCTP_INP_WUNLOCK(inp); 491 return (0); 492 } 493 494 static int 495 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 496 { 497 struct sctp_inpcb *inp; 498 499 inp = (struct sctp_inpcb *)so->so_pcb; 500 if (inp == NULL) { 501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 502 return (EINVAL); 503 } 504 if (addr != NULL) { 505 if ((addr->sa_family != AF_INET) || 506 (addr->sa_len != sizeof(struct sockaddr_in))) { 507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 508 return (EINVAL); 509 } 510 } 511 return (sctp_inpcb_bind(so, addr, NULL, p)); 512 } 513 514 #endif 515 void 516 sctp_close(struct socket *so) 517 { 518 struct epoch_tracker et; 519 struct sctp_inpcb *inp; 520 uint32_t flags; 521 522 inp = (struct sctp_inpcb *)so->so_pcb; 523 if (inp == NULL) 524 return; 525 526 /* 527 * Inform all the lower layer assoc that we are done. 528 */ 529 NET_EPOCH_ENTER(et); 530 sctp_must_try_again: 531 flags = inp->sctp_flags; 532 #ifdef SCTP_LOG_CLOSING 533 sctp_log_closing(inp, NULL, 17); 534 #endif 535 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 536 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 537 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 538 (so->so_rcv.sb_cc > 0)) { 539 #ifdef SCTP_LOG_CLOSING 540 sctp_log_closing(inp, NULL, 13); 541 #endif 542 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 543 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 544 } else { 545 #ifdef SCTP_LOG_CLOSING 546 sctp_log_closing(inp, NULL, 14); 547 #endif 548 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 549 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 550 } 551 /* 552 * The socket is now detached, no matter what the state of 553 * the SCTP association. 554 */ 555 SOCK_LOCK(so); 556 SCTP_SB_CLEAR(so->so_snd); 557 /* 558 * same for the rcv ones, they are only here for the 559 * accounting/select. 560 */ 561 SCTP_SB_CLEAR(so->so_rcv); 562 563 /* Now null out the reference, we are completely detached. */ 564 so->so_pcb = NULL; 565 SOCK_UNLOCK(so); 566 } else { 567 flags = inp->sctp_flags; 568 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 569 goto sctp_must_try_again; 570 } 571 } 572 NET_EPOCH_EXIT(et); 573 return; 574 } 575 576 577 int 578 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 579 struct mbuf *control, struct thread *p); 580 581 582 int 583 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 584 struct mbuf *control, struct thread *p) 585 { 586 struct sctp_inpcb *inp; 587 int error; 588 589 inp = (struct sctp_inpcb *)so->so_pcb; 590 if (inp == NULL) { 591 if (control) { 592 sctp_m_freem(control); 593 control = NULL; 594 } 595 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 596 sctp_m_freem(m); 597 return (EINVAL); 598 } 599 /* Got to have an to address if we are NOT a connected socket */ 600 if ((addr == NULL) && 601 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 602 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 603 goto connected_type; 604 } else if (addr == NULL) { 605 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 606 error = EDESTADDRREQ; 607 sctp_m_freem(m); 608 if (control) { 609 sctp_m_freem(control); 610 control = NULL; 611 } 612 return (error); 613 } 614 #ifdef INET6 615 if (addr->sa_family != AF_INET) { 616 /* must be a v4 address! */ 617 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 618 sctp_m_freem(m); 619 if (control) { 620 sctp_m_freem(control); 621 control = NULL; 622 } 623 error = EDESTADDRREQ; 624 return (error); 625 } 626 #endif /* INET6 */ 627 connected_type: 628 /* now what about control */ 629 if (control) { 630 if (inp->control) { 631 sctp_m_freem(inp->control); 632 inp->control = NULL; 633 } 634 inp->control = control; 635 } 636 /* Place the data */ 637 if (inp->pkt) { 638 SCTP_BUF_NEXT(inp->pkt_last) = m; 639 inp->pkt_last = m; 640 } else { 641 inp->pkt_last = inp->pkt = m; 642 } 643 if ( 644 /* FreeBSD uses a flag passed */ 645 ((flags & PRUS_MORETOCOME) == 0) 646 ) { 647 /* 648 * note with the current version this code will only be used 649 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 650 * re-defining sosend to use the sctp_sosend. One can 651 * optionally switch back to this code (by changing back the 652 * definitions) but this is not advisable. This code is used 653 * by FreeBSD when sending a file with sendfile() though. 654 */ 655 struct epoch_tracker et; 656 int ret; 657 658 NET_EPOCH_ENTER(et); 659 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 660 NET_EPOCH_EXIT(et); 661 inp->pkt = NULL; 662 inp->control = NULL; 663 return (ret); 664 } else { 665 return (0); 666 } 667 } 668 669 int 670 sctp_disconnect(struct socket *so) 671 { 672 struct sctp_inpcb *inp; 673 674 inp = (struct sctp_inpcb *)so->so_pcb; 675 if (inp == NULL) { 676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 677 return (ENOTCONN); 678 } 679 SCTP_INP_RLOCK(inp); 680 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 681 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 682 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 683 /* No connection */ 684 SCTP_INP_RUNLOCK(inp); 685 return (0); 686 } else { 687 struct epoch_tracker et; 688 struct sctp_association *asoc; 689 struct sctp_tcb *stcb; 690 691 stcb = LIST_FIRST(&inp->sctp_asoc_list); 692 if (stcb == NULL) { 693 SCTP_INP_RUNLOCK(inp); 694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 695 return (EINVAL); 696 } 697 SCTP_TCB_LOCK(stcb); 698 asoc = &stcb->asoc; 699 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 700 /* We are about to be freed, out of here */ 701 SCTP_TCB_UNLOCK(stcb); 702 SCTP_INP_RUNLOCK(inp); 703 return (0); 704 } 705 NET_EPOCH_ENTER(et); 706 if (((so->so_options & SO_LINGER) && 707 (so->so_linger == 0)) || 708 (so->so_rcv.sb_cc > 0)) { 709 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 710 /* Left with Data unread */ 711 struct mbuf *op_err; 712 713 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 714 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 715 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 716 } 717 SCTP_INP_RUNLOCK(inp); 718 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 719 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 720 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 721 } 722 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 723 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 724 /* No unlock tcb assoc is gone */ 725 NET_EPOCH_EXIT(et); 726 return (0); 727 } 728 if (TAILQ_EMPTY(&asoc->send_queue) && 729 TAILQ_EMPTY(&asoc->sent_queue) && 730 (asoc->stream_queue_cnt == 0)) { 731 /* there is nothing queued to send, so done */ 732 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 733 goto abort_anyway; 734 } 735 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 736 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 737 /* only send SHUTDOWN 1st time thru */ 738 struct sctp_nets *netp; 739 740 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 741 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 742 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 743 } 744 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 745 sctp_stop_timers_for_shutdown(stcb); 746 if (stcb->asoc.alternate) { 747 netp = stcb->asoc.alternate; 748 } else { 749 netp = stcb->asoc.primary_destination; 750 } 751 sctp_send_shutdown(stcb, netp); 752 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 753 stcb->sctp_ep, stcb, netp); 754 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 755 stcb->sctp_ep, stcb, NULL); 756 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 757 } 758 } else { 759 /* 760 * we still got (or just got) data to send, 761 * so set SHUTDOWN_PENDING 762 */ 763 /* 764 * XXX sockets draft says that SCTP_EOF 765 * should be sent with no data. currently, 766 * we will allow user data to be sent first 767 * and move to SHUTDOWN-PENDING 768 */ 769 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 770 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 771 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 772 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 773 } 774 if (TAILQ_EMPTY(&asoc->send_queue) && 775 TAILQ_EMPTY(&asoc->sent_queue) && 776 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 777 struct mbuf *op_err; 778 779 abort_anyway: 780 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 781 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 782 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 783 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 784 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 785 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 786 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 787 } 788 SCTP_INP_RUNLOCK(inp); 789 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 790 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 791 NET_EPOCH_EXIT(et); 792 return (0); 793 } else { 794 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 795 } 796 } 797 soisdisconnecting(so); 798 NET_EPOCH_EXIT(et); 799 SCTP_TCB_UNLOCK(stcb); 800 SCTP_INP_RUNLOCK(inp); 801 return (0); 802 } 803 /* not reached */ 804 } else { 805 /* UDP model does not support this */ 806 SCTP_INP_RUNLOCK(inp); 807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 808 return (EOPNOTSUPP); 809 } 810 } 811 812 int 813 sctp_flush(struct socket *so, int how) 814 { 815 /* 816 * We will just clear out the values and let subsequent close clear 817 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 818 * they will not be able to read the data, the socket will block 819 * that from happening. 820 */ 821 struct sctp_inpcb *inp; 822 823 inp = (struct sctp_inpcb *)so->so_pcb; 824 if (inp == NULL) { 825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 826 return (EINVAL); 827 } 828 SCTP_INP_RLOCK(inp); 829 /* For the 1 to many model this does nothing */ 830 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 831 SCTP_INP_RUNLOCK(inp); 832 return (0); 833 } 834 SCTP_INP_RUNLOCK(inp); 835 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 836 /* 837 * First make sure the sb will be happy, we don't use these 838 * except maybe the count 839 */ 840 SCTP_INP_WLOCK(inp); 841 SCTP_INP_READ_LOCK(inp); 842 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 843 SCTP_INP_READ_UNLOCK(inp); 844 SCTP_INP_WUNLOCK(inp); 845 so->so_rcv.sb_cc = 0; 846 so->so_rcv.sb_mbcnt = 0; 847 so->so_rcv.sb_mb = NULL; 848 } 849 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 850 /* 851 * First make sure the sb will be happy, we don't use these 852 * except maybe the count 853 */ 854 so->so_snd.sb_cc = 0; 855 so->so_snd.sb_mbcnt = 0; 856 so->so_snd.sb_mb = NULL; 857 858 } 859 return (0); 860 } 861 862 int 863 sctp_shutdown(struct socket *so) 864 { 865 struct sctp_inpcb *inp; 866 867 inp = (struct sctp_inpcb *)so->so_pcb; 868 if (inp == NULL) { 869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 870 return (EINVAL); 871 } 872 SCTP_INP_RLOCK(inp); 873 /* For UDP model this is a invalid call */ 874 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 875 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 876 /* Restore the flags that the soshutdown took away. */ 877 SOCKBUF_LOCK(&so->so_rcv); 878 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 879 SOCKBUF_UNLOCK(&so->so_rcv); 880 /* This proc will wakeup for read and do nothing (I hope) */ 881 SCTP_INP_RUNLOCK(inp); 882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 883 return (EOPNOTSUPP); 884 } else { 885 /* 886 * Ok, if we reach here its the TCP model and it is either a 887 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 888 * against it. 889 */ 890 struct epoch_tracker et; 891 struct sctp_tcb *stcb; 892 struct sctp_association *asoc; 893 struct sctp_nets *netp; 894 895 if ((so->so_state & 896 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 897 SCTP_INP_RUNLOCK(inp); 898 return (ENOTCONN); 899 } 900 socantsendmore(so); 901 902 stcb = LIST_FIRST(&inp->sctp_asoc_list); 903 if (stcb == NULL) { 904 /* 905 * Ok, we hit the case that the shutdown call was 906 * made after an abort or something. Nothing to do 907 * now. 908 */ 909 SCTP_INP_RUNLOCK(inp); 910 return (0); 911 } 912 SCTP_TCB_LOCK(stcb); 913 asoc = &stcb->asoc; 914 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 915 SCTP_TCB_UNLOCK(stcb); 916 SCTP_INP_RUNLOCK(inp); 917 return (0); 918 } 919 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 920 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 921 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 922 /* 923 * If we are not in or before ESTABLISHED, there is 924 * no protocol action required. 925 */ 926 SCTP_TCB_UNLOCK(stcb); 927 SCTP_INP_RUNLOCK(inp); 928 return (0); 929 } 930 NET_EPOCH_ENTER(et); 931 if (stcb->asoc.alternate) { 932 netp = stcb->asoc.alternate; 933 } else { 934 netp = stcb->asoc.primary_destination; 935 } 936 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 937 TAILQ_EMPTY(&asoc->send_queue) && 938 TAILQ_EMPTY(&asoc->sent_queue) && 939 (asoc->stream_queue_cnt == 0)) { 940 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 941 goto abort_anyway; 942 } 943 /* there is nothing queued to send, so I'm done... */ 944 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 945 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 946 sctp_stop_timers_for_shutdown(stcb); 947 sctp_send_shutdown(stcb, netp); 948 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 949 stcb->sctp_ep, stcb, netp); 950 } else { 951 /* 952 * We still got (or just got) data to send, so set 953 * SHUTDOWN_PENDING. 954 */ 955 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 956 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 957 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 958 } 959 if (TAILQ_EMPTY(&asoc->send_queue) && 960 TAILQ_EMPTY(&asoc->sent_queue) && 961 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 962 struct mbuf *op_err; 963 964 abort_anyway: 965 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 966 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 967 SCTP_INP_RUNLOCK(inp); 968 sctp_abort_an_association(stcb->sctp_ep, stcb, 969 op_err, SCTP_SO_LOCKED); 970 NET_EPOCH_EXIT(et); 971 return (0); 972 } 973 } 974 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 975 /* 976 * XXX: Why do this in the case where we have still data 977 * queued? 978 */ 979 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 980 SCTP_TCB_UNLOCK(stcb); 981 SCTP_INP_RUNLOCK(inp); 982 NET_EPOCH_EXIT(et); 983 return (0); 984 } 985 } 986 987 /* 988 * copies a "user" presentable address and removes embedded scope, etc. 989 * returns 0 on success, 1 on error 990 */ 991 static uint32_t 992 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 993 { 994 #ifdef INET6 995 struct sockaddr_in6 lsa6; 996 997 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 998 &lsa6); 999 #endif 1000 memcpy(dst, src, src->sa_len); 1001 return (0); 1002 } 1003 1004 1005 1006 /* 1007 * NOTE: assumes addr lock is held 1008 */ 1009 static size_t 1010 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1011 struct sctp_tcb *stcb, 1012 size_t limit, 1013 struct sockaddr *addr, 1014 uint32_t vrf_id) 1015 { 1016 struct sctp_ifn *sctp_ifn; 1017 struct sctp_ifa *sctp_ifa; 1018 size_t actual; 1019 int loopback_scope; 1020 #if defined(INET) 1021 int ipv4_local_scope, ipv4_addr_legal; 1022 #endif 1023 #if defined(INET6) 1024 int local_scope, site_scope, ipv6_addr_legal; 1025 #endif 1026 struct sctp_vrf *vrf; 1027 1028 actual = 0; 1029 if (limit == 0) 1030 return (actual); 1031 1032 if (stcb) { 1033 /* Turn on all the appropriate scope */ 1034 loopback_scope = stcb->asoc.scope.loopback_scope; 1035 #if defined(INET) 1036 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1037 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1038 #endif 1039 #if defined(INET6) 1040 local_scope = stcb->asoc.scope.local_scope; 1041 site_scope = stcb->asoc.scope.site_scope; 1042 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1043 #endif 1044 } else { 1045 /* Use generic values for endpoints. */ 1046 loopback_scope = 1; 1047 #if defined(INET) 1048 ipv4_local_scope = 1; 1049 #endif 1050 #if defined(INET6) 1051 local_scope = 1; 1052 site_scope = 1; 1053 #endif 1054 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1055 #if defined(INET6) 1056 ipv6_addr_legal = 1; 1057 #endif 1058 #if defined(INET) 1059 if (SCTP_IPV6_V6ONLY(inp)) { 1060 ipv4_addr_legal = 0; 1061 } else { 1062 ipv4_addr_legal = 1; 1063 } 1064 #endif 1065 } else { 1066 #if defined(INET6) 1067 ipv6_addr_legal = 0; 1068 #endif 1069 #if defined(INET) 1070 ipv4_addr_legal = 1; 1071 #endif 1072 } 1073 } 1074 vrf = sctp_find_vrf(vrf_id); 1075 if (vrf == NULL) { 1076 return (0); 1077 } 1078 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1079 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1080 if ((loopback_scope == 0) && 1081 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1082 /* Skip loopback if loopback_scope not set */ 1083 continue; 1084 } 1085 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1086 if (stcb) { 1087 /* 1088 * For the BOUND-ALL case, the list 1089 * associated with a TCB is Always 1090 * considered a reverse list.. i.e. 1091 * it lists addresses that are NOT 1092 * part of the association. If this 1093 * is one of those we must skip it. 1094 */ 1095 if (sctp_is_addr_restricted(stcb, 1096 sctp_ifa)) { 1097 continue; 1098 } 1099 } 1100 switch (sctp_ifa->address.sa.sa_family) { 1101 #ifdef INET 1102 case AF_INET: 1103 if (ipv4_addr_legal) { 1104 struct sockaddr_in *sin; 1105 1106 sin = &sctp_ifa->address.sin; 1107 if (sin->sin_addr.s_addr == 0) { 1108 /* 1109 * we skip 1110 * unspecifed 1111 * addresses 1112 */ 1113 continue; 1114 } 1115 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1116 &sin->sin_addr) != 0) { 1117 continue; 1118 } 1119 if ((ipv4_local_scope == 0) && 1120 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1121 continue; 1122 } 1123 #ifdef INET6 1124 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1125 if (actual + sizeof(struct sockaddr_in6) > limit) { 1126 return (actual); 1127 } 1128 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)&addr); 1129 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1130 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1131 actual += sizeof(struct sockaddr_in6); 1132 } else { 1133 #endif 1134 if (actual + sizeof(struct sockaddr_in) > limit) { 1135 return (actual); 1136 } 1137 memcpy(addr, sin, sizeof(struct sockaddr_in)); 1138 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1139 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); 1140 actual += sizeof(struct sockaddr_in); 1141 #ifdef INET6 1142 } 1143 #endif 1144 } else { 1145 continue; 1146 } 1147 break; 1148 #endif 1149 #ifdef INET6 1150 case AF_INET6: 1151 if (ipv6_addr_legal) { 1152 struct sockaddr_in6 *sin6; 1153 1154 sin6 = &sctp_ifa->address.sin6; 1155 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1156 /* 1157 * we skip 1158 * unspecifed 1159 * addresses 1160 */ 1161 continue; 1162 } 1163 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1164 &sin6->sin6_addr) != 0) { 1165 continue; 1166 } 1167 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1168 if (local_scope == 0) 1169 continue; 1170 if (sin6->sin6_scope_id == 0) { 1171 if (sa6_recoverscope(sin6) != 0) 1172 /* 1173 * 1174 * bad 1175 * link 1176 * 1177 * local 1178 * 1179 * address 1180 */ 1181 continue; 1182 } 1183 } 1184 if ((site_scope == 0) && 1185 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1186 continue; 1187 } 1188 if (actual + sizeof(struct sockaddr_in6) > limit) { 1189 return (actual); 1190 } 1191 memcpy(addr, sin6, sizeof(struct sockaddr_in6)); 1192 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1193 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1194 actual += sizeof(struct sockaddr_in6); 1195 } else { 1196 continue; 1197 } 1198 break; 1199 #endif 1200 default: 1201 /* TSNH */ 1202 break; 1203 } 1204 } 1205 } 1206 } else { 1207 struct sctp_laddr *laddr; 1208 size_t sa_len; 1209 1210 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1211 if (stcb) { 1212 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1213 continue; 1214 } 1215 } 1216 sa_len = laddr->ifa->address.sa.sa_len; 1217 if (actual + sa_len > limit) { 1218 return (actual); 1219 } 1220 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) 1221 continue; 1222 switch (laddr->ifa->address.sa.sa_family) { 1223 #ifdef INET 1224 case AF_INET: 1225 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1226 break; 1227 #endif 1228 #ifdef INET6 1229 case AF_INET6: 1230 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1231 break; 1232 #endif 1233 default: 1234 /* TSNH */ 1235 break; 1236 } 1237 addr = (struct sockaddr *)((caddr_t)addr + sa_len); 1238 actual += sa_len; 1239 } 1240 } 1241 return (actual); 1242 } 1243 1244 static size_t 1245 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1246 struct sctp_tcb *stcb, 1247 size_t limit, 1248 struct sockaddr *addr) 1249 { 1250 size_t size = 0; 1251 1252 SCTP_IPI_ADDR_RLOCK(); 1253 /* fill up addresses for the endpoint's default vrf */ 1254 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, 1255 inp->def_vrf_id); 1256 SCTP_IPI_ADDR_RUNLOCK(); 1257 return (size); 1258 } 1259 1260 /* 1261 * NOTE: assumes addr lock is held 1262 */ 1263 static int 1264 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1265 { 1266 int cnt = 0; 1267 struct sctp_vrf *vrf = NULL; 1268 1269 /* 1270 * In both sub-set bound an bound_all cases we return the MAXIMUM 1271 * number of addresses that you COULD get. In reality the sub-set 1272 * bound may have an exclusion list for a given TCB OR in the 1273 * bound-all case a TCB may NOT include the loopback or other 1274 * addresses as well. 1275 */ 1276 vrf = sctp_find_vrf(vrf_id); 1277 if (vrf == NULL) { 1278 return (0); 1279 } 1280 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1281 struct sctp_ifn *sctp_ifn; 1282 struct sctp_ifa *sctp_ifa; 1283 1284 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1285 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1286 /* Count them if they are the right type */ 1287 switch (sctp_ifa->address.sa.sa_family) { 1288 #ifdef INET 1289 case AF_INET: 1290 #ifdef INET6 1291 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1292 cnt += sizeof(struct sockaddr_in6); 1293 else 1294 cnt += sizeof(struct sockaddr_in); 1295 #else 1296 cnt += sizeof(struct sockaddr_in); 1297 #endif 1298 break; 1299 #endif 1300 #ifdef INET6 1301 case AF_INET6: 1302 cnt += sizeof(struct sockaddr_in6); 1303 break; 1304 #endif 1305 default: 1306 break; 1307 } 1308 } 1309 } 1310 } else { 1311 struct sctp_laddr *laddr; 1312 1313 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1314 switch (laddr->ifa->address.sa.sa_family) { 1315 #ifdef INET 1316 case AF_INET: 1317 #ifdef INET6 1318 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1319 cnt += sizeof(struct sockaddr_in6); 1320 else 1321 cnt += sizeof(struct sockaddr_in); 1322 #else 1323 cnt += sizeof(struct sockaddr_in); 1324 #endif 1325 break; 1326 #endif 1327 #ifdef INET6 1328 case AF_INET6: 1329 cnt += sizeof(struct sockaddr_in6); 1330 break; 1331 #endif 1332 default: 1333 break; 1334 } 1335 } 1336 } 1337 return (cnt); 1338 } 1339 1340 static int 1341 sctp_count_max_addresses(struct sctp_inpcb *inp) 1342 { 1343 int cnt = 0; 1344 1345 SCTP_IPI_ADDR_RLOCK(); 1346 /* count addresses for the endpoint's default VRF */ 1347 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1348 SCTP_IPI_ADDR_RUNLOCK(); 1349 return (cnt); 1350 } 1351 1352 static int 1353 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1354 size_t optsize, void *p, int delay) 1355 { 1356 int error; 1357 int creat_lock_on = 0; 1358 struct sctp_tcb *stcb = NULL; 1359 struct sockaddr *sa; 1360 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1361 uint32_t vrf_id; 1362 sctp_assoc_t *a_id; 1363 1364 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1365 1366 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1367 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1368 /* We are already connected AND the TCP model */ 1369 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1370 return (EADDRINUSE); 1371 } 1372 1373 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1374 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1375 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1376 return (EINVAL); 1377 } 1378 1379 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1380 SCTP_INP_RLOCK(inp); 1381 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1382 SCTP_INP_RUNLOCK(inp); 1383 } 1384 if (stcb) { 1385 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1386 return (EALREADY); 1387 } 1388 SCTP_INP_INCR_REF(inp); 1389 SCTP_ASOC_CREATE_LOCK(inp); 1390 creat_lock_on = 1; 1391 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1392 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1393 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1394 error = EFAULT; 1395 goto out_now; 1396 } 1397 totaddrp = (unsigned int *)optval; 1398 totaddr = *totaddrp; 1399 sa = (struct sockaddr *)(totaddrp + 1); 1400 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1401 if (error != 0) { 1402 /* Already have or am bring up an association */ 1403 SCTP_ASOC_CREATE_UNLOCK(inp); 1404 creat_lock_on = 0; 1405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1406 goto out_now; 1407 } 1408 #ifdef INET6 1409 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1410 (num_v6 > 0)) { 1411 error = EINVAL; 1412 goto out_now; 1413 } 1414 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1415 (num_v4 > 0)) { 1416 if (SCTP_IPV6_V6ONLY(inp)) { 1417 /* 1418 * if IPV6_V6ONLY flag, ignore connections destined 1419 * to a v4 addr or v4-mapped addr 1420 */ 1421 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1422 error = EINVAL; 1423 goto out_now; 1424 } 1425 } 1426 #endif /* INET6 */ 1427 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1428 SCTP_PCB_FLAGS_UNBOUND) { 1429 /* Bind a ephemeral port */ 1430 error = sctp_inpcb_bind(so, NULL, NULL, p); 1431 if (error) { 1432 goto out_now; 1433 } 1434 } 1435 1436 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1437 vrf_id = inp->def_vrf_id; 1438 1439 1440 /* We are GOOD to go */ 1441 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1442 inp->sctp_ep.pre_open_stream_count, 1443 inp->sctp_ep.port, 1444 (struct thread *)p, 1445 SCTP_INITIALIZE_AUTH_PARAMS); 1446 if (stcb == NULL) { 1447 /* Gak! no memory */ 1448 goto out_now; 1449 } 1450 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1451 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1452 /* Set the connected flag so we can queue data */ 1453 soisconnecting(so); 1454 } 1455 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1456 /* move to second address */ 1457 switch (sa->sa_family) { 1458 #ifdef INET 1459 case AF_INET: 1460 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1461 break; 1462 #endif 1463 #ifdef INET6 1464 case AF_INET6: 1465 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1466 break; 1467 #endif 1468 default: 1469 break; 1470 } 1471 1472 error = 0; 1473 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1474 /* Fill in the return id */ 1475 if (error) { 1476 goto out_now; 1477 } 1478 a_id = (sctp_assoc_t *)optval; 1479 *a_id = sctp_get_associd(stcb); 1480 1481 if (delay) { 1482 /* doing delayed connection */ 1483 stcb->asoc.delayed_connection = 1; 1484 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1485 } else { 1486 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1487 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1488 } 1489 SCTP_TCB_UNLOCK(stcb); 1490 out_now: 1491 if (creat_lock_on) { 1492 SCTP_ASOC_CREATE_UNLOCK(inp); 1493 } 1494 SCTP_INP_DECR_REF(inp); 1495 return (error); 1496 } 1497 1498 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1499 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1500 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1501 SCTP_INP_RLOCK(inp); \ 1502 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1503 if (stcb) { \ 1504 SCTP_TCB_LOCK(stcb); \ 1505 } \ 1506 SCTP_INP_RUNLOCK(inp); \ 1507 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1508 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1509 if (stcb == NULL) { \ 1510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1511 error = ENOENT; \ 1512 break; \ 1513 } \ 1514 } else { \ 1515 stcb = NULL; \ 1516 } \ 1517 } 1518 1519 1520 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1521 if (size < sizeof(type)) { \ 1522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1523 error = EINVAL; \ 1524 break; \ 1525 } else { \ 1526 destp = (type *)srcp; \ 1527 } \ 1528 } 1529 1530 static int 1531 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1532 void *p) 1533 { 1534 struct sctp_inpcb *inp = NULL; 1535 int error, val = 0; 1536 struct sctp_tcb *stcb = NULL; 1537 1538 if (optval == NULL) { 1539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1540 return (EINVAL); 1541 } 1542 1543 inp = (struct sctp_inpcb *)so->so_pcb; 1544 if (inp == NULL) { 1545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1546 return EINVAL; 1547 } 1548 error = 0; 1549 1550 switch (optname) { 1551 case SCTP_NODELAY: 1552 case SCTP_AUTOCLOSE: 1553 case SCTP_EXPLICIT_EOR: 1554 case SCTP_AUTO_ASCONF: 1555 case SCTP_DISABLE_FRAGMENTS: 1556 case SCTP_I_WANT_MAPPED_V4_ADDR: 1557 case SCTP_USE_EXT_RCVINFO: 1558 SCTP_INP_RLOCK(inp); 1559 switch (optname) { 1560 case SCTP_DISABLE_FRAGMENTS: 1561 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1562 break; 1563 case SCTP_I_WANT_MAPPED_V4_ADDR: 1564 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1565 break; 1566 case SCTP_AUTO_ASCONF: 1567 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1568 /* only valid for bound all sockets */ 1569 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1570 } else { 1571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1572 error = EINVAL; 1573 goto flags_out; 1574 } 1575 break; 1576 case SCTP_EXPLICIT_EOR: 1577 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1578 break; 1579 case SCTP_NODELAY: 1580 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1581 break; 1582 case SCTP_USE_EXT_RCVINFO: 1583 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1584 break; 1585 case SCTP_AUTOCLOSE: 1586 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1587 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1588 else 1589 val = 0; 1590 break; 1591 1592 default: 1593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1594 error = ENOPROTOOPT; 1595 } /* end switch (sopt->sopt_name) */ 1596 if (*optsize < sizeof(val)) { 1597 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1598 error = EINVAL; 1599 } 1600 flags_out: 1601 SCTP_INP_RUNLOCK(inp); 1602 if (error == 0) { 1603 /* return the option value */ 1604 *(int *)optval = val; 1605 *optsize = sizeof(val); 1606 } 1607 break; 1608 case SCTP_GET_PACKET_LOG: 1609 { 1610 #ifdef SCTP_PACKET_LOGGING 1611 uint8_t *target; 1612 int ret; 1613 1614 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1615 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1616 *optsize = ret; 1617 #else 1618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1619 error = EOPNOTSUPP; 1620 #endif 1621 break; 1622 } 1623 case SCTP_REUSE_PORT: 1624 { 1625 uint32_t *value; 1626 1627 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1628 /* Can't do this for a 1-m socket */ 1629 error = EINVAL; 1630 break; 1631 } 1632 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1633 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1634 *optsize = sizeof(uint32_t); 1635 break; 1636 } 1637 case SCTP_PARTIAL_DELIVERY_POINT: 1638 { 1639 uint32_t *value; 1640 1641 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1642 *value = inp->partial_delivery_point; 1643 *optsize = sizeof(uint32_t); 1644 break; 1645 } 1646 case SCTP_FRAGMENT_INTERLEAVE: 1647 { 1648 uint32_t *value; 1649 1650 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1651 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1652 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1653 *value = SCTP_FRAG_LEVEL_2; 1654 } else { 1655 *value = SCTP_FRAG_LEVEL_1; 1656 } 1657 } else { 1658 *value = SCTP_FRAG_LEVEL_0; 1659 } 1660 *optsize = sizeof(uint32_t); 1661 break; 1662 } 1663 case SCTP_INTERLEAVING_SUPPORTED: 1664 { 1665 struct sctp_assoc_value *av; 1666 1667 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1668 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1669 1670 if (stcb) { 1671 av->assoc_value = stcb->asoc.idata_supported; 1672 SCTP_TCB_UNLOCK(stcb); 1673 } else { 1674 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1675 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1676 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1677 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1678 SCTP_INP_RLOCK(inp); 1679 if (inp->idata_supported) { 1680 av->assoc_value = 1; 1681 } else { 1682 av->assoc_value = 0; 1683 } 1684 SCTP_INP_RUNLOCK(inp); 1685 } else { 1686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1687 error = EINVAL; 1688 } 1689 } 1690 if (error == 0) { 1691 *optsize = sizeof(struct sctp_assoc_value); 1692 } 1693 break; 1694 } 1695 case SCTP_CMT_ON_OFF: 1696 { 1697 struct sctp_assoc_value *av; 1698 1699 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1700 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1701 if (stcb) { 1702 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1703 SCTP_TCB_UNLOCK(stcb); 1704 } else { 1705 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1706 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1707 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1708 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1709 SCTP_INP_RLOCK(inp); 1710 av->assoc_value = inp->sctp_cmt_on_off; 1711 SCTP_INP_RUNLOCK(inp); 1712 } else { 1713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1714 error = EINVAL; 1715 } 1716 } 1717 if (error == 0) { 1718 *optsize = sizeof(struct sctp_assoc_value); 1719 } 1720 break; 1721 } 1722 case SCTP_PLUGGABLE_CC: 1723 { 1724 struct sctp_assoc_value *av; 1725 1726 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1727 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1728 if (stcb) { 1729 av->assoc_value = stcb->asoc.congestion_control_module; 1730 SCTP_TCB_UNLOCK(stcb); 1731 } else { 1732 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1733 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1734 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1735 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1736 SCTP_INP_RLOCK(inp); 1737 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1738 SCTP_INP_RUNLOCK(inp); 1739 } else { 1740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1741 error = EINVAL; 1742 } 1743 } 1744 if (error == 0) { 1745 *optsize = sizeof(struct sctp_assoc_value); 1746 } 1747 break; 1748 } 1749 case SCTP_CC_OPTION: 1750 { 1751 struct sctp_cc_option *cc_opt; 1752 1753 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1754 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1755 if (stcb == NULL) { 1756 error = EINVAL; 1757 } else { 1758 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1759 error = ENOTSUP; 1760 } else { 1761 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1762 *optsize = sizeof(struct sctp_cc_option); 1763 } 1764 SCTP_TCB_UNLOCK(stcb); 1765 } 1766 break; 1767 } 1768 case SCTP_PLUGGABLE_SS: 1769 { 1770 struct sctp_assoc_value *av; 1771 1772 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1773 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1774 if (stcb) { 1775 av->assoc_value = stcb->asoc.stream_scheduling_module; 1776 SCTP_TCB_UNLOCK(stcb); 1777 } else { 1778 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1779 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1780 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1781 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1782 SCTP_INP_RLOCK(inp); 1783 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1784 SCTP_INP_RUNLOCK(inp); 1785 } else { 1786 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1787 error = EINVAL; 1788 } 1789 } 1790 if (error == 0) { 1791 *optsize = sizeof(struct sctp_assoc_value); 1792 } 1793 break; 1794 } 1795 case SCTP_SS_VALUE: 1796 { 1797 struct sctp_stream_value *av; 1798 1799 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1800 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1801 if (stcb) { 1802 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1803 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1804 &av->stream_value) < 0)) { 1805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1806 error = EINVAL; 1807 } else { 1808 *optsize = sizeof(struct sctp_stream_value); 1809 } 1810 SCTP_TCB_UNLOCK(stcb); 1811 } else { 1812 /* 1813 * Can't get stream value without 1814 * association 1815 */ 1816 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1817 error = EINVAL; 1818 } 1819 break; 1820 } 1821 case SCTP_GET_ADDR_LEN: 1822 { 1823 struct sctp_assoc_value *av; 1824 1825 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1826 error = EINVAL; 1827 #ifdef INET 1828 if (av->assoc_value == AF_INET) { 1829 av->assoc_value = sizeof(struct sockaddr_in); 1830 error = 0; 1831 } 1832 #endif 1833 #ifdef INET6 1834 if (av->assoc_value == AF_INET6) { 1835 av->assoc_value = sizeof(struct sockaddr_in6); 1836 error = 0; 1837 } 1838 #endif 1839 if (error) { 1840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1841 } else { 1842 *optsize = sizeof(struct sctp_assoc_value); 1843 } 1844 break; 1845 } 1846 case SCTP_GET_ASSOC_NUMBER: 1847 { 1848 uint32_t *value, cnt; 1849 1850 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1851 SCTP_INP_RLOCK(inp); 1852 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1853 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1854 /* Can't do this for a 1-1 socket */ 1855 error = EINVAL; 1856 SCTP_INP_RUNLOCK(inp); 1857 break; 1858 } 1859 cnt = 0; 1860 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1861 cnt++; 1862 } 1863 SCTP_INP_RUNLOCK(inp); 1864 *value = cnt; 1865 *optsize = sizeof(uint32_t); 1866 break; 1867 } 1868 case SCTP_GET_ASSOC_ID_LIST: 1869 { 1870 struct sctp_assoc_ids *ids; 1871 uint32_t at; 1872 size_t limit; 1873 1874 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1875 SCTP_INP_RLOCK(inp); 1876 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1877 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1878 /* Can't do this for a 1-1 socket */ 1879 error = EINVAL; 1880 SCTP_INP_RUNLOCK(inp); 1881 break; 1882 } 1883 at = 0; 1884 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1885 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1886 if (at < limit) { 1887 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1888 if (at == 0) { 1889 error = EINVAL; 1890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1891 break; 1892 } 1893 } else { 1894 error = EINVAL; 1895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1896 break; 1897 } 1898 } 1899 SCTP_INP_RUNLOCK(inp); 1900 if (error == 0) { 1901 ids->gaids_number_of_ids = at; 1902 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1903 } 1904 break; 1905 } 1906 case SCTP_CONTEXT: 1907 { 1908 struct sctp_assoc_value *av; 1909 1910 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1911 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1912 1913 if (stcb) { 1914 av->assoc_value = stcb->asoc.context; 1915 SCTP_TCB_UNLOCK(stcb); 1916 } else { 1917 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1918 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1919 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1920 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1921 SCTP_INP_RLOCK(inp); 1922 av->assoc_value = inp->sctp_context; 1923 SCTP_INP_RUNLOCK(inp); 1924 } else { 1925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1926 error = EINVAL; 1927 } 1928 } 1929 if (error == 0) { 1930 *optsize = sizeof(struct sctp_assoc_value); 1931 } 1932 break; 1933 } 1934 case SCTP_VRF_ID: 1935 { 1936 uint32_t *default_vrfid; 1937 1938 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1939 *default_vrfid = inp->def_vrf_id; 1940 *optsize = sizeof(uint32_t); 1941 break; 1942 } 1943 case SCTP_GET_ASOC_VRF: 1944 { 1945 struct sctp_assoc_value *id; 1946 1947 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1948 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1949 if (stcb == NULL) { 1950 error = EINVAL; 1951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1952 } else { 1953 id->assoc_value = stcb->asoc.vrf_id; 1954 SCTP_TCB_UNLOCK(stcb); 1955 *optsize = sizeof(struct sctp_assoc_value); 1956 } 1957 break; 1958 } 1959 case SCTP_GET_VRF_IDS: 1960 { 1961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1962 error = EOPNOTSUPP; 1963 break; 1964 } 1965 case SCTP_GET_NONCE_VALUES: 1966 { 1967 struct sctp_get_nonce_values *gnv; 1968 1969 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1970 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1971 1972 if (stcb) { 1973 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1974 gnv->gn_local_tag = stcb->asoc.my_vtag; 1975 SCTP_TCB_UNLOCK(stcb); 1976 *optsize = sizeof(struct sctp_get_nonce_values); 1977 } else { 1978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1979 error = ENOTCONN; 1980 } 1981 break; 1982 } 1983 case SCTP_DELAYED_SACK: 1984 { 1985 struct sctp_sack_info *sack; 1986 1987 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1988 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1989 if (stcb) { 1990 sack->sack_delay = stcb->asoc.delayed_ack; 1991 sack->sack_freq = stcb->asoc.sack_freq; 1992 SCTP_TCB_UNLOCK(stcb); 1993 } else { 1994 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1995 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1996 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1997 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1998 SCTP_INP_RLOCK(inp); 1999 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2000 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2001 SCTP_INP_RUNLOCK(inp); 2002 } else { 2003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2004 error = EINVAL; 2005 } 2006 } 2007 if (error == 0) { 2008 *optsize = sizeof(struct sctp_sack_info); 2009 } 2010 break; 2011 } 2012 case SCTP_GET_SNDBUF_USE: 2013 { 2014 struct sctp_sockstat *ss; 2015 2016 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2017 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2018 2019 if (stcb) { 2020 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2021 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2022 stcb->asoc.size_on_all_streams); 2023 SCTP_TCB_UNLOCK(stcb); 2024 *optsize = sizeof(struct sctp_sockstat); 2025 } else { 2026 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2027 error = ENOTCONN; 2028 } 2029 break; 2030 } 2031 case SCTP_MAX_BURST: 2032 { 2033 struct sctp_assoc_value *av; 2034 2035 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2036 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2037 2038 if (stcb) { 2039 av->assoc_value = stcb->asoc.max_burst; 2040 SCTP_TCB_UNLOCK(stcb); 2041 } else { 2042 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2043 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2044 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2045 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2046 SCTP_INP_RLOCK(inp); 2047 av->assoc_value = inp->sctp_ep.max_burst; 2048 SCTP_INP_RUNLOCK(inp); 2049 } else { 2050 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2051 error = EINVAL; 2052 } 2053 } 2054 if (error == 0) { 2055 *optsize = sizeof(struct sctp_assoc_value); 2056 } 2057 break; 2058 } 2059 case SCTP_MAXSEG: 2060 { 2061 struct sctp_assoc_value *av; 2062 int ovh; 2063 2064 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2065 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2066 2067 if (stcb) { 2068 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2069 SCTP_TCB_UNLOCK(stcb); 2070 } else { 2071 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2072 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2073 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2074 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2075 SCTP_INP_RLOCK(inp); 2076 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2077 ovh = SCTP_MED_OVERHEAD; 2078 } else { 2079 ovh = SCTP_MED_V4_OVERHEAD; 2080 } 2081 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2082 av->assoc_value = 0; 2083 else 2084 av->assoc_value = inp->sctp_frag_point - ovh; 2085 SCTP_INP_RUNLOCK(inp); 2086 } else { 2087 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2088 error = EINVAL; 2089 } 2090 } 2091 if (error == 0) { 2092 *optsize = sizeof(struct sctp_assoc_value); 2093 } 2094 break; 2095 } 2096 case SCTP_GET_STAT_LOG: 2097 error = sctp_fill_stat_log(optval, optsize); 2098 break; 2099 case SCTP_EVENTS: 2100 { 2101 struct sctp_event_subscribe *events; 2102 2103 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2104 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2105 SCTP_INP_RLOCK(inp); 2106 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2107 events->sctp_data_io_event = 1; 2108 2109 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2110 events->sctp_association_event = 1; 2111 2112 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2113 events->sctp_address_event = 1; 2114 2115 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2116 events->sctp_send_failure_event = 1; 2117 2118 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2119 events->sctp_peer_error_event = 1; 2120 2121 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2122 events->sctp_shutdown_event = 1; 2123 2124 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2125 events->sctp_partial_delivery_event = 1; 2126 2127 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2128 events->sctp_adaptation_layer_event = 1; 2129 2130 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2131 events->sctp_authentication_event = 1; 2132 2133 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2134 events->sctp_sender_dry_event = 1; 2135 2136 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2137 events->sctp_stream_reset_event = 1; 2138 SCTP_INP_RUNLOCK(inp); 2139 *optsize = sizeof(struct sctp_event_subscribe); 2140 break; 2141 } 2142 case SCTP_ADAPTATION_LAYER: 2143 { 2144 uint32_t *value; 2145 2146 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2147 2148 SCTP_INP_RLOCK(inp); 2149 *value = inp->sctp_ep.adaptation_layer_indicator; 2150 SCTP_INP_RUNLOCK(inp); 2151 *optsize = sizeof(uint32_t); 2152 break; 2153 } 2154 case SCTP_SET_INITIAL_DBG_SEQ: 2155 { 2156 uint32_t *value; 2157 2158 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2159 SCTP_INP_RLOCK(inp); 2160 *value = inp->sctp_ep.initial_sequence_debug; 2161 SCTP_INP_RUNLOCK(inp); 2162 *optsize = sizeof(uint32_t); 2163 break; 2164 } 2165 case SCTP_GET_LOCAL_ADDR_SIZE: 2166 { 2167 uint32_t *value; 2168 2169 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2170 SCTP_INP_RLOCK(inp); 2171 *value = sctp_count_max_addresses(inp); 2172 SCTP_INP_RUNLOCK(inp); 2173 *optsize = sizeof(uint32_t); 2174 break; 2175 } 2176 case SCTP_GET_REMOTE_ADDR_SIZE: 2177 { 2178 uint32_t *value; 2179 size_t size; 2180 struct sctp_nets *net; 2181 2182 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2183 /* FIXME MT: change to sctp_assoc_value? */ 2184 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2185 2186 if (stcb) { 2187 size = 0; 2188 /* Count the sizes */ 2189 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2190 switch (net->ro._l_addr.sa.sa_family) { 2191 #ifdef INET 2192 case AF_INET: 2193 #ifdef INET6 2194 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2195 size += sizeof(struct sockaddr_in6); 2196 } else { 2197 size += sizeof(struct sockaddr_in); 2198 } 2199 #else 2200 size += sizeof(struct sockaddr_in); 2201 #endif 2202 break; 2203 #endif 2204 #ifdef INET6 2205 case AF_INET6: 2206 size += sizeof(struct sockaddr_in6); 2207 break; 2208 #endif 2209 default: 2210 break; 2211 } 2212 } 2213 SCTP_TCB_UNLOCK(stcb); 2214 *value = (uint32_t)size; 2215 *optsize = sizeof(uint32_t); 2216 } else { 2217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2218 error = ENOTCONN; 2219 } 2220 break; 2221 } 2222 case SCTP_GET_PEER_ADDRESSES: 2223 /* 2224 * Get the address information, an array is passed in to 2225 * fill up we pack it. 2226 */ 2227 { 2228 size_t cpsz, left; 2229 struct sockaddr *addr; 2230 struct sctp_nets *net; 2231 struct sctp_getaddresses *saddr; 2232 2233 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2234 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2235 2236 if (stcb) { 2237 left = *optsize - offsetof(struct sctp_getaddresses, addr); 2238 *optsize = offsetof(struct sctp_getaddresses, addr); 2239 addr = &saddr->addr[0].sa; 2240 2241 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2242 switch (net->ro._l_addr.sa.sa_family) { 2243 #ifdef INET 2244 case AF_INET: 2245 #ifdef INET6 2246 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2247 cpsz = sizeof(struct sockaddr_in6); 2248 } else { 2249 cpsz = sizeof(struct sockaddr_in); 2250 } 2251 #else 2252 cpsz = sizeof(struct sockaddr_in); 2253 #endif 2254 break; 2255 #endif 2256 #ifdef INET6 2257 case AF_INET6: 2258 cpsz = sizeof(struct sockaddr_in6); 2259 break; 2260 #endif 2261 default: 2262 cpsz = 0; 2263 break; 2264 } 2265 if (cpsz == 0) { 2266 break; 2267 } 2268 if (left < cpsz) { 2269 /* not enough room. */ 2270 break; 2271 } 2272 #if defined(INET) && defined(INET6) 2273 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2274 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2275 /* Must map the address */ 2276 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2277 (struct sockaddr_in6 *)&addr); 2278 } else { 2279 memcpy(addr, &net->ro._l_addr, cpsz); 2280 } 2281 #else 2282 memcpy(addr, &net->ro._l_addr, cpsz); 2283 #endif 2284 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2285 2286 addr = (struct sockaddr *)((caddr_t)addr + cpsz); 2287 left -= cpsz; 2288 *optsize += cpsz; 2289 } 2290 SCTP_TCB_UNLOCK(stcb); 2291 } else { 2292 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2293 error = ENOENT; 2294 } 2295 break; 2296 } 2297 case SCTP_GET_LOCAL_ADDRESSES: 2298 { 2299 size_t limit, actual; 2300 struct sctp_getaddresses *saddr; 2301 2302 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2303 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2304 2305 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2306 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2307 if (stcb) { 2308 SCTP_TCB_UNLOCK(stcb); 2309 } 2310 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2311 break; 2312 } 2313 case SCTP_PEER_ADDR_PARAMS: 2314 { 2315 struct sctp_paddrparams *paddrp; 2316 struct sctp_nets *net; 2317 struct sockaddr *addr; 2318 #if defined(INET) && defined(INET6) 2319 struct sockaddr_in sin_store; 2320 #endif 2321 2322 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2323 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2324 2325 #if defined(INET) && defined(INET6) 2326 if (paddrp->spp_address.ss_family == AF_INET6) { 2327 struct sockaddr_in6 *sin6; 2328 2329 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2330 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2331 in6_sin6_2_sin(&sin_store, sin6); 2332 addr = (struct sockaddr *)&sin_store; 2333 } else { 2334 addr = (struct sockaddr *)&paddrp->spp_address; 2335 } 2336 } else { 2337 addr = (struct sockaddr *)&paddrp->spp_address; 2338 } 2339 #else 2340 addr = (struct sockaddr *)&paddrp->spp_address; 2341 #endif 2342 if (stcb != NULL) { 2343 net = sctp_findnet(stcb, addr); 2344 } else { 2345 /* 2346 * We increment here since 2347 * sctp_findassociation_ep_addr() wil do a 2348 * decrement if it finds the stcb as long as 2349 * the locked tcb (last argument) is NOT a 2350 * TCB.. aka NULL. 2351 */ 2352 net = NULL; 2353 SCTP_INP_INCR_REF(inp); 2354 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2355 if (stcb == NULL) { 2356 SCTP_INP_DECR_REF(inp); 2357 } 2358 } 2359 if ((stcb != NULL) && (net == NULL)) { 2360 #ifdef INET 2361 if (addr->sa_family == AF_INET) { 2362 struct sockaddr_in *sin; 2363 2364 sin = (struct sockaddr_in *)addr; 2365 if (sin->sin_addr.s_addr != INADDR_ANY) { 2366 error = EINVAL; 2367 SCTP_TCB_UNLOCK(stcb); 2368 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2369 break; 2370 } 2371 } else 2372 #endif 2373 #ifdef INET6 2374 if (addr->sa_family == AF_INET6) { 2375 struct sockaddr_in6 *sin6; 2376 2377 sin6 = (struct sockaddr_in6 *)addr; 2378 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2379 error = EINVAL; 2380 SCTP_TCB_UNLOCK(stcb); 2381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2382 break; 2383 } 2384 } else 2385 #endif 2386 { 2387 error = EAFNOSUPPORT; 2388 SCTP_TCB_UNLOCK(stcb); 2389 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2390 break; 2391 } 2392 } 2393 2394 if (stcb != NULL) { 2395 /* Applies to the specific association */ 2396 paddrp->spp_flags = 0; 2397 if (net != NULL) { 2398 paddrp->spp_hbinterval = net->heart_beat_delay; 2399 paddrp->spp_pathmaxrxt = net->failure_threshold; 2400 paddrp->spp_pathmtu = net->mtu; 2401 switch (net->ro._l_addr.sa.sa_family) { 2402 #ifdef INET 2403 case AF_INET: 2404 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2405 break; 2406 #endif 2407 #ifdef INET6 2408 case AF_INET6: 2409 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2410 break; 2411 #endif 2412 default: 2413 break; 2414 } 2415 /* get flags for HB */ 2416 if (net->dest_state & SCTP_ADDR_NOHB) { 2417 paddrp->spp_flags |= SPP_HB_DISABLE; 2418 } else { 2419 paddrp->spp_flags |= SPP_HB_ENABLE; 2420 } 2421 /* get flags for PMTU */ 2422 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2423 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2424 } else { 2425 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2426 } 2427 if (net->dscp & 0x01) { 2428 paddrp->spp_dscp = net->dscp & 0xfc; 2429 paddrp->spp_flags |= SPP_DSCP; 2430 } 2431 #ifdef INET6 2432 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2433 (net->flowlabel & 0x80000000)) { 2434 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2435 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2436 } 2437 #endif 2438 } else { 2439 /* 2440 * No destination so return default 2441 * value 2442 */ 2443 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2444 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2445 if (stcb->asoc.default_dscp & 0x01) { 2446 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2447 paddrp->spp_flags |= SPP_DSCP; 2448 } 2449 #ifdef INET6 2450 if (stcb->asoc.default_flowlabel & 0x80000000) { 2451 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2452 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2453 } 2454 #endif 2455 /* default settings should be these */ 2456 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2457 paddrp->spp_flags |= SPP_HB_DISABLE; 2458 } else { 2459 paddrp->spp_flags |= SPP_HB_ENABLE; 2460 } 2461 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2462 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2463 } else { 2464 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2465 } 2466 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2467 } 2468 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2469 SCTP_TCB_UNLOCK(stcb); 2470 } else { 2471 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2472 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2473 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2474 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2475 /* Use endpoint defaults */ 2476 SCTP_INP_RLOCK(inp); 2477 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2478 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2479 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2480 /* get inp's default */ 2481 if (inp->sctp_ep.default_dscp & 0x01) { 2482 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2483 paddrp->spp_flags |= SPP_DSCP; 2484 } 2485 #ifdef INET6 2486 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2487 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2488 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2489 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2490 } 2491 #endif 2492 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2493 2494 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2495 paddrp->spp_flags |= SPP_HB_ENABLE; 2496 } else { 2497 paddrp->spp_flags |= SPP_HB_DISABLE; 2498 } 2499 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2500 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2501 } else { 2502 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2503 } 2504 SCTP_INP_RUNLOCK(inp); 2505 } else { 2506 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2507 error = EINVAL; 2508 } 2509 } 2510 if (error == 0) { 2511 *optsize = sizeof(struct sctp_paddrparams); 2512 } 2513 break; 2514 } 2515 case SCTP_GET_PEER_ADDR_INFO: 2516 { 2517 struct sctp_paddrinfo *paddri; 2518 struct sctp_nets *net; 2519 struct sockaddr *addr; 2520 #if defined(INET) && defined(INET6) 2521 struct sockaddr_in sin_store; 2522 #endif 2523 2524 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2525 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2526 2527 #if defined(INET) && defined(INET6) 2528 if (paddri->spinfo_address.ss_family == AF_INET6) { 2529 struct sockaddr_in6 *sin6; 2530 2531 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2532 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2533 in6_sin6_2_sin(&sin_store, sin6); 2534 addr = (struct sockaddr *)&sin_store; 2535 } else { 2536 addr = (struct sockaddr *)&paddri->spinfo_address; 2537 } 2538 } else { 2539 addr = (struct sockaddr *)&paddri->spinfo_address; 2540 } 2541 #else 2542 addr = (struct sockaddr *)&paddri->spinfo_address; 2543 #endif 2544 if (stcb != NULL) { 2545 net = sctp_findnet(stcb, addr); 2546 } else { 2547 /* 2548 * We increment here since 2549 * sctp_findassociation_ep_addr() wil do a 2550 * decrement if it finds the stcb as long as 2551 * the locked tcb (last argument) is NOT a 2552 * TCB.. aka NULL. 2553 */ 2554 net = NULL; 2555 SCTP_INP_INCR_REF(inp); 2556 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2557 if (stcb == NULL) { 2558 SCTP_INP_DECR_REF(inp); 2559 } 2560 } 2561 2562 if ((stcb != NULL) && (net != NULL)) { 2563 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2564 /* It's unconfirmed */ 2565 paddri->spinfo_state = SCTP_UNCONFIRMED; 2566 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2567 /* It's active */ 2568 paddri->spinfo_state = SCTP_ACTIVE; 2569 } else { 2570 /* It's inactive */ 2571 paddri->spinfo_state = SCTP_INACTIVE; 2572 } 2573 paddri->spinfo_cwnd = net->cwnd; 2574 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2575 paddri->spinfo_rto = net->RTO; 2576 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2577 paddri->spinfo_mtu = net->mtu; 2578 switch (addr->sa_family) { 2579 #if defined(INET) 2580 case AF_INET: 2581 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2582 break; 2583 #endif 2584 #if defined(INET6) 2585 case AF_INET6: 2586 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2587 break; 2588 #endif 2589 default: 2590 break; 2591 } 2592 SCTP_TCB_UNLOCK(stcb); 2593 *optsize = sizeof(struct sctp_paddrinfo); 2594 } else { 2595 if (stcb != NULL) { 2596 SCTP_TCB_UNLOCK(stcb); 2597 } 2598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2599 error = ENOENT; 2600 } 2601 break; 2602 } 2603 case SCTP_PCB_STATUS: 2604 { 2605 struct sctp_pcbinfo *spcb; 2606 2607 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2608 sctp_fill_pcbinfo(spcb); 2609 *optsize = sizeof(struct sctp_pcbinfo); 2610 break; 2611 } 2612 case SCTP_STATUS: 2613 { 2614 struct sctp_nets *net; 2615 struct sctp_status *sstat; 2616 2617 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2618 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2619 2620 if (stcb == NULL) { 2621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2622 error = EINVAL; 2623 break; 2624 } 2625 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2626 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2627 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2628 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2629 /* 2630 * We can't include chunks that have been passed to 2631 * the socket layer. Only things in queue. 2632 */ 2633 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2634 stcb->asoc.cnt_on_all_streams); 2635 2636 2637 sstat->sstat_instrms = stcb->asoc.streamincnt; 2638 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2639 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2640 net = stcb->asoc.primary_destination; 2641 if (net != NULL) { 2642 memcpy(&sstat->sstat_primary.spinfo_address, 2643 &net->ro._l_addr, 2644 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2645 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2646 /* 2647 * Again the user can get info from 2648 * sctp_constants.h for what the state of 2649 * the network is. 2650 */ 2651 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2652 /* It's unconfirmed */ 2653 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2654 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2655 /* It's active */ 2656 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2657 } else { 2658 /* It's inactive */ 2659 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2660 } 2661 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2662 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2663 sstat->sstat_primary.spinfo_rto = net->RTO; 2664 sstat->sstat_primary.spinfo_mtu = net->mtu; 2665 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2666 #if defined(INET) 2667 case AF_INET: 2668 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2669 break; 2670 #endif 2671 #if defined(INET6) 2672 case AF_INET6: 2673 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2674 break; 2675 #endif 2676 default: 2677 break; 2678 } 2679 } else { 2680 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2681 } 2682 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2683 SCTP_TCB_UNLOCK(stcb); 2684 *optsize = sizeof(struct sctp_status); 2685 break; 2686 } 2687 case SCTP_RTOINFO: 2688 { 2689 struct sctp_rtoinfo *srto; 2690 2691 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2692 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2693 2694 if (stcb) { 2695 srto->srto_initial = stcb->asoc.initial_rto; 2696 srto->srto_max = stcb->asoc.maxrto; 2697 srto->srto_min = stcb->asoc.minrto; 2698 SCTP_TCB_UNLOCK(stcb); 2699 } else { 2700 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2701 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2702 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2703 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2704 SCTP_INP_RLOCK(inp); 2705 srto->srto_initial = inp->sctp_ep.initial_rto; 2706 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2707 srto->srto_min = inp->sctp_ep.sctp_minrto; 2708 SCTP_INP_RUNLOCK(inp); 2709 } else { 2710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2711 error = EINVAL; 2712 } 2713 } 2714 if (error == 0) { 2715 *optsize = sizeof(struct sctp_rtoinfo); 2716 } 2717 break; 2718 } 2719 case SCTP_TIMEOUTS: 2720 { 2721 struct sctp_timeouts *stimo; 2722 2723 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2724 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2725 2726 if (stcb) { 2727 stimo->stimo_init = stcb->asoc.timoinit; 2728 stimo->stimo_data = stcb->asoc.timodata; 2729 stimo->stimo_sack = stcb->asoc.timosack; 2730 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2731 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2732 stimo->stimo_cookie = stcb->asoc.timocookie; 2733 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2734 SCTP_TCB_UNLOCK(stcb); 2735 *optsize = sizeof(struct sctp_timeouts); 2736 } else { 2737 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2738 error = EINVAL; 2739 } 2740 break; 2741 } 2742 case SCTP_ASSOCINFO: 2743 { 2744 struct sctp_assocparams *sasoc; 2745 2746 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2747 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2748 2749 if (stcb) { 2750 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2751 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2752 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2753 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2754 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2755 SCTP_TCB_UNLOCK(stcb); 2756 } else { 2757 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2758 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2759 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2760 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2761 SCTP_INP_RLOCK(inp); 2762 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2763 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2764 sasoc->sasoc_number_peer_destinations = 0; 2765 sasoc->sasoc_peer_rwnd = 0; 2766 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2767 SCTP_INP_RUNLOCK(inp); 2768 } else { 2769 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2770 error = EINVAL; 2771 } 2772 } 2773 if (error == 0) { 2774 *optsize = sizeof(struct sctp_assocparams); 2775 } 2776 break; 2777 } 2778 case SCTP_DEFAULT_SEND_PARAM: 2779 { 2780 struct sctp_sndrcvinfo *s_info; 2781 2782 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2783 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2784 2785 if (stcb) { 2786 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2787 SCTP_TCB_UNLOCK(stcb); 2788 } else { 2789 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2790 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2791 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2792 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2793 SCTP_INP_RLOCK(inp); 2794 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2795 SCTP_INP_RUNLOCK(inp); 2796 } else { 2797 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2798 error = EINVAL; 2799 } 2800 } 2801 if (error == 0) { 2802 *optsize = sizeof(struct sctp_sndrcvinfo); 2803 } 2804 break; 2805 } 2806 case SCTP_INITMSG: 2807 { 2808 struct sctp_initmsg *sinit; 2809 2810 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2811 SCTP_INP_RLOCK(inp); 2812 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2813 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2814 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2815 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2816 SCTP_INP_RUNLOCK(inp); 2817 *optsize = sizeof(struct sctp_initmsg); 2818 break; 2819 } 2820 case SCTP_PRIMARY_ADDR: 2821 /* we allow a "get" operation on this */ 2822 { 2823 struct sctp_setprim *ssp; 2824 2825 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2826 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2827 2828 if (stcb) { 2829 union sctp_sockstore *addr; 2830 2831 addr = &stcb->asoc.primary_destination->ro._l_addr; 2832 switch (addr->sa.sa_family) { 2833 #ifdef INET 2834 case AF_INET: 2835 #ifdef INET6 2836 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2837 in6_sin_2_v4mapsin6(&addr->sin, 2838 (struct sockaddr_in6 *)&ssp->ssp_addr); 2839 } else { 2840 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2841 } 2842 #else 2843 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2844 #endif 2845 break; 2846 #endif 2847 #ifdef INET6 2848 case AF_INET6: 2849 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2850 break; 2851 #endif 2852 default: 2853 break; 2854 } 2855 SCTP_TCB_UNLOCK(stcb); 2856 *optsize = sizeof(struct sctp_setprim); 2857 } else { 2858 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2859 error = EINVAL; 2860 } 2861 break; 2862 } 2863 case SCTP_HMAC_IDENT: 2864 { 2865 struct sctp_hmacalgo *shmac; 2866 sctp_hmaclist_t *hmaclist; 2867 uint32_t size; 2868 int i; 2869 2870 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2871 2872 SCTP_INP_RLOCK(inp); 2873 hmaclist = inp->sctp_ep.local_hmacs; 2874 if (hmaclist == NULL) { 2875 /* no HMACs to return */ 2876 *optsize = sizeof(*shmac); 2877 SCTP_INP_RUNLOCK(inp); 2878 break; 2879 } 2880 /* is there room for all of the hmac ids? */ 2881 size = sizeof(*shmac) + (hmaclist->num_algo * 2882 sizeof(shmac->shmac_idents[0])); 2883 if ((size_t)(*optsize) < size) { 2884 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2885 error = EINVAL; 2886 SCTP_INP_RUNLOCK(inp); 2887 break; 2888 } 2889 /* copy in the list */ 2890 shmac->shmac_number_of_idents = hmaclist->num_algo; 2891 for (i = 0; i < hmaclist->num_algo; i++) { 2892 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2893 } 2894 SCTP_INP_RUNLOCK(inp); 2895 *optsize = size; 2896 break; 2897 } 2898 case SCTP_AUTH_ACTIVE_KEY: 2899 { 2900 struct sctp_authkeyid *scact; 2901 2902 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2903 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2904 2905 if (stcb) { 2906 /* get the active key on the assoc */ 2907 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2908 SCTP_TCB_UNLOCK(stcb); 2909 } else { 2910 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2911 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2912 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2913 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2914 /* get the endpoint active key */ 2915 SCTP_INP_RLOCK(inp); 2916 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2917 SCTP_INP_RUNLOCK(inp); 2918 } else { 2919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2920 error = EINVAL; 2921 } 2922 } 2923 if (error == 0) { 2924 *optsize = sizeof(struct sctp_authkeyid); 2925 } 2926 break; 2927 } 2928 case SCTP_LOCAL_AUTH_CHUNKS: 2929 { 2930 struct sctp_authchunks *sac; 2931 sctp_auth_chklist_t *chklist = NULL; 2932 size_t size = 0; 2933 2934 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2935 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2936 2937 if (stcb) { 2938 /* get off the assoc */ 2939 chklist = stcb->asoc.local_auth_chunks; 2940 /* is there enough space? */ 2941 size = sctp_auth_get_chklist_size(chklist); 2942 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2943 error = EINVAL; 2944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2945 } else { 2946 /* copy in the chunks */ 2947 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2948 sac->gauth_number_of_chunks = (uint32_t)size; 2949 *optsize = sizeof(struct sctp_authchunks) + size; 2950 } 2951 SCTP_TCB_UNLOCK(stcb); 2952 } else { 2953 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2954 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2955 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2956 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2957 /* get off the endpoint */ 2958 SCTP_INP_RLOCK(inp); 2959 chklist = inp->sctp_ep.local_auth_chunks; 2960 /* is there enough space? */ 2961 size = sctp_auth_get_chklist_size(chklist); 2962 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2963 error = EINVAL; 2964 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2965 } else { 2966 /* copy in the chunks */ 2967 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2968 sac->gauth_number_of_chunks = (uint32_t)size; 2969 *optsize = sizeof(struct sctp_authchunks) + size; 2970 } 2971 SCTP_INP_RUNLOCK(inp); 2972 } else { 2973 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2974 error = EINVAL; 2975 } 2976 } 2977 break; 2978 } 2979 case SCTP_PEER_AUTH_CHUNKS: 2980 { 2981 struct sctp_authchunks *sac; 2982 sctp_auth_chklist_t *chklist = NULL; 2983 size_t size = 0; 2984 2985 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2986 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2987 2988 if (stcb) { 2989 /* get off the assoc */ 2990 chklist = stcb->asoc.peer_auth_chunks; 2991 /* is there enough space? */ 2992 size = sctp_auth_get_chklist_size(chklist); 2993 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2994 error = EINVAL; 2995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2996 } else { 2997 /* copy in the chunks */ 2998 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2999 sac->gauth_number_of_chunks = (uint32_t)size; 3000 *optsize = sizeof(struct sctp_authchunks) + size; 3001 } 3002 SCTP_TCB_UNLOCK(stcb); 3003 } else { 3004 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3005 error = ENOENT; 3006 } 3007 break; 3008 } 3009 case SCTP_EVENT: 3010 { 3011 struct sctp_event *event; 3012 uint32_t event_type; 3013 3014 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3015 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3016 3017 switch (event->se_type) { 3018 case SCTP_ASSOC_CHANGE: 3019 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3020 break; 3021 case SCTP_PEER_ADDR_CHANGE: 3022 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3023 break; 3024 case SCTP_REMOTE_ERROR: 3025 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3026 break; 3027 case SCTP_SEND_FAILED: 3028 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3029 break; 3030 case SCTP_SHUTDOWN_EVENT: 3031 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3032 break; 3033 case SCTP_ADAPTATION_INDICATION: 3034 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3035 break; 3036 case SCTP_PARTIAL_DELIVERY_EVENT: 3037 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3038 break; 3039 case SCTP_AUTHENTICATION_EVENT: 3040 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3041 break; 3042 case SCTP_STREAM_RESET_EVENT: 3043 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3044 break; 3045 case SCTP_SENDER_DRY_EVENT: 3046 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3047 break; 3048 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3049 event_type = 0; 3050 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3051 error = ENOTSUP; 3052 break; 3053 case SCTP_ASSOC_RESET_EVENT: 3054 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3055 break; 3056 case SCTP_STREAM_CHANGE_EVENT: 3057 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3058 break; 3059 case SCTP_SEND_FAILED_EVENT: 3060 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3061 break; 3062 default: 3063 event_type = 0; 3064 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3065 error = EINVAL; 3066 break; 3067 } 3068 if (event_type > 0) { 3069 if (stcb) { 3070 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3071 } else { 3072 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3073 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3074 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3075 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3076 SCTP_INP_RLOCK(inp); 3077 event->se_on = sctp_is_feature_on(inp, event_type); 3078 SCTP_INP_RUNLOCK(inp); 3079 } else { 3080 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3081 error = EINVAL; 3082 } 3083 } 3084 } 3085 if (stcb != NULL) { 3086 SCTP_TCB_UNLOCK(stcb); 3087 } 3088 if (error == 0) { 3089 *optsize = sizeof(struct sctp_event); 3090 } 3091 break; 3092 } 3093 case SCTP_RECVRCVINFO: 3094 { 3095 int onoff; 3096 3097 if (*optsize < sizeof(int)) { 3098 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3099 error = EINVAL; 3100 } else { 3101 SCTP_INP_RLOCK(inp); 3102 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3103 SCTP_INP_RUNLOCK(inp); 3104 } 3105 if (error == 0) { 3106 /* return the option value */ 3107 *(int *)optval = onoff; 3108 *optsize = sizeof(int); 3109 } 3110 break; 3111 } 3112 case SCTP_RECVNXTINFO: 3113 { 3114 int onoff; 3115 3116 if (*optsize < sizeof(int)) { 3117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3118 error = EINVAL; 3119 } else { 3120 SCTP_INP_RLOCK(inp); 3121 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3122 SCTP_INP_RUNLOCK(inp); 3123 } 3124 if (error == 0) { 3125 /* return the option value */ 3126 *(int *)optval = onoff; 3127 *optsize = sizeof(int); 3128 } 3129 break; 3130 } 3131 case SCTP_DEFAULT_SNDINFO: 3132 { 3133 struct sctp_sndinfo *info; 3134 3135 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3136 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3137 3138 if (stcb) { 3139 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3140 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3141 info->snd_flags &= 0xfff0; 3142 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3143 info->snd_context = stcb->asoc.def_send.sinfo_context; 3144 SCTP_TCB_UNLOCK(stcb); 3145 } else { 3146 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3147 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3148 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3149 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3150 SCTP_INP_RLOCK(inp); 3151 info->snd_sid = inp->def_send.sinfo_stream; 3152 info->snd_flags = inp->def_send.sinfo_flags; 3153 info->snd_flags &= 0xfff0; 3154 info->snd_ppid = inp->def_send.sinfo_ppid; 3155 info->snd_context = inp->def_send.sinfo_context; 3156 SCTP_INP_RUNLOCK(inp); 3157 } else { 3158 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3159 error = EINVAL; 3160 } 3161 } 3162 if (error == 0) { 3163 *optsize = sizeof(struct sctp_sndinfo); 3164 } 3165 break; 3166 } 3167 case SCTP_DEFAULT_PRINFO: 3168 { 3169 struct sctp_default_prinfo *info; 3170 3171 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3172 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3173 3174 if (stcb) { 3175 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3176 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3177 SCTP_TCB_UNLOCK(stcb); 3178 } else { 3179 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3180 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3181 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3182 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3183 SCTP_INP_RLOCK(inp); 3184 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3185 info->pr_value = inp->def_send.sinfo_timetolive; 3186 SCTP_INP_RUNLOCK(inp); 3187 } else { 3188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3189 error = EINVAL; 3190 } 3191 } 3192 if (error == 0) { 3193 *optsize = sizeof(struct sctp_default_prinfo); 3194 } 3195 break; 3196 } 3197 case SCTP_PEER_ADDR_THLDS: 3198 { 3199 struct sctp_paddrthlds *thlds; 3200 struct sctp_nets *net; 3201 struct sockaddr *addr; 3202 #if defined(INET) && defined(INET6) 3203 struct sockaddr_in sin_store; 3204 #endif 3205 3206 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3207 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3208 3209 #if defined(INET) && defined(INET6) 3210 if (thlds->spt_address.ss_family == AF_INET6) { 3211 struct sockaddr_in6 *sin6; 3212 3213 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3214 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3215 in6_sin6_2_sin(&sin_store, sin6); 3216 addr = (struct sockaddr *)&sin_store; 3217 } else { 3218 addr = (struct sockaddr *)&thlds->spt_address; 3219 } 3220 } else { 3221 addr = (struct sockaddr *)&thlds->spt_address; 3222 } 3223 #else 3224 addr = (struct sockaddr *)&thlds->spt_address; 3225 #endif 3226 if (stcb != NULL) { 3227 net = sctp_findnet(stcb, addr); 3228 } else { 3229 /* 3230 * We increment here since 3231 * sctp_findassociation_ep_addr() wil do a 3232 * decrement if it finds the stcb as long as 3233 * the locked tcb (last argument) is NOT a 3234 * TCB.. aka NULL. 3235 */ 3236 net = NULL; 3237 SCTP_INP_INCR_REF(inp); 3238 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3239 if (stcb == NULL) { 3240 SCTP_INP_DECR_REF(inp); 3241 } 3242 } 3243 if ((stcb != NULL) && (net == NULL)) { 3244 #ifdef INET 3245 if (addr->sa_family == AF_INET) { 3246 struct sockaddr_in *sin; 3247 3248 sin = (struct sockaddr_in *)addr; 3249 if (sin->sin_addr.s_addr != INADDR_ANY) { 3250 error = EINVAL; 3251 SCTP_TCB_UNLOCK(stcb); 3252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3253 break; 3254 } 3255 } else 3256 #endif 3257 #ifdef INET6 3258 if (addr->sa_family == AF_INET6) { 3259 struct sockaddr_in6 *sin6; 3260 3261 sin6 = (struct sockaddr_in6 *)addr; 3262 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3263 error = EINVAL; 3264 SCTP_TCB_UNLOCK(stcb); 3265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3266 break; 3267 } 3268 } else 3269 #endif 3270 { 3271 error = EAFNOSUPPORT; 3272 SCTP_TCB_UNLOCK(stcb); 3273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3274 break; 3275 } 3276 } 3277 3278 if (stcb != NULL) { 3279 if (net != NULL) { 3280 thlds->spt_pathmaxrxt = net->failure_threshold; 3281 thlds->spt_pathpfthld = net->pf_threshold; 3282 thlds->spt_pathcpthld = 0xffff; 3283 } else { 3284 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3285 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3286 thlds->spt_pathcpthld = 0xffff; 3287 } 3288 thlds->spt_assoc_id = sctp_get_associd(stcb); 3289 SCTP_TCB_UNLOCK(stcb); 3290 } else { 3291 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3292 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3293 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3294 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3295 /* Use endpoint defaults */ 3296 SCTP_INP_RLOCK(inp); 3297 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3298 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3299 thlds->spt_pathcpthld = 0xffff; 3300 SCTP_INP_RUNLOCK(inp); 3301 } else { 3302 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3303 error = EINVAL; 3304 } 3305 } 3306 if (error == 0) { 3307 *optsize = sizeof(struct sctp_paddrthlds); 3308 } 3309 break; 3310 } 3311 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3312 { 3313 struct sctp_udpencaps *encaps; 3314 struct sctp_nets *net; 3315 struct sockaddr *addr; 3316 #if defined(INET) && defined(INET6) 3317 struct sockaddr_in sin_store; 3318 #endif 3319 3320 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3321 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3322 3323 #if defined(INET) && defined(INET6) 3324 if (encaps->sue_address.ss_family == AF_INET6) { 3325 struct sockaddr_in6 *sin6; 3326 3327 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3328 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3329 in6_sin6_2_sin(&sin_store, sin6); 3330 addr = (struct sockaddr *)&sin_store; 3331 } else { 3332 addr = (struct sockaddr *)&encaps->sue_address; 3333 } 3334 } else { 3335 addr = (struct sockaddr *)&encaps->sue_address; 3336 } 3337 #else 3338 addr = (struct sockaddr *)&encaps->sue_address; 3339 #endif 3340 if (stcb) { 3341 net = sctp_findnet(stcb, addr); 3342 } else { 3343 /* 3344 * We increment here since 3345 * sctp_findassociation_ep_addr() wil do a 3346 * decrement if it finds the stcb as long as 3347 * the locked tcb (last argument) is NOT a 3348 * TCB.. aka NULL. 3349 */ 3350 net = NULL; 3351 SCTP_INP_INCR_REF(inp); 3352 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3353 if (stcb == NULL) { 3354 SCTP_INP_DECR_REF(inp); 3355 } 3356 } 3357 if ((stcb != NULL) && (net == NULL)) { 3358 #ifdef INET 3359 if (addr->sa_family == AF_INET) { 3360 struct sockaddr_in *sin; 3361 3362 sin = (struct sockaddr_in *)addr; 3363 if (sin->sin_addr.s_addr != INADDR_ANY) { 3364 error = EINVAL; 3365 SCTP_TCB_UNLOCK(stcb); 3366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3367 break; 3368 } 3369 } else 3370 #endif 3371 #ifdef INET6 3372 if (addr->sa_family == AF_INET6) { 3373 struct sockaddr_in6 *sin6; 3374 3375 sin6 = (struct sockaddr_in6 *)addr; 3376 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3377 error = EINVAL; 3378 SCTP_TCB_UNLOCK(stcb); 3379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3380 break; 3381 } 3382 } else 3383 #endif 3384 { 3385 error = EAFNOSUPPORT; 3386 SCTP_TCB_UNLOCK(stcb); 3387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3388 break; 3389 } 3390 } 3391 3392 if (stcb != NULL) { 3393 if (net) { 3394 encaps->sue_port = net->port; 3395 } else { 3396 encaps->sue_port = stcb->asoc.port; 3397 } 3398 SCTP_TCB_UNLOCK(stcb); 3399 } else { 3400 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3401 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3402 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3403 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3404 SCTP_INP_RLOCK(inp); 3405 encaps->sue_port = inp->sctp_ep.port; 3406 SCTP_INP_RUNLOCK(inp); 3407 } else { 3408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3409 error = EINVAL; 3410 } 3411 } 3412 if (error == 0) { 3413 *optsize = sizeof(struct sctp_udpencaps); 3414 } 3415 break; 3416 } 3417 case SCTP_ECN_SUPPORTED: 3418 { 3419 struct sctp_assoc_value *av; 3420 3421 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3422 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3423 3424 if (stcb) { 3425 av->assoc_value = stcb->asoc.ecn_supported; 3426 SCTP_TCB_UNLOCK(stcb); 3427 } else { 3428 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3429 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3430 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3431 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3432 SCTP_INP_RLOCK(inp); 3433 av->assoc_value = inp->ecn_supported; 3434 SCTP_INP_RUNLOCK(inp); 3435 } else { 3436 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3437 error = EINVAL; 3438 } 3439 } 3440 if (error == 0) { 3441 *optsize = sizeof(struct sctp_assoc_value); 3442 } 3443 break; 3444 } 3445 case SCTP_PR_SUPPORTED: 3446 { 3447 struct sctp_assoc_value *av; 3448 3449 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3450 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3451 3452 if (stcb) { 3453 av->assoc_value = stcb->asoc.prsctp_supported; 3454 SCTP_TCB_UNLOCK(stcb); 3455 } else { 3456 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3457 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3458 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3459 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3460 SCTP_INP_RLOCK(inp); 3461 av->assoc_value = inp->prsctp_supported; 3462 SCTP_INP_RUNLOCK(inp); 3463 } else { 3464 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3465 error = EINVAL; 3466 } 3467 } 3468 if (error == 0) { 3469 *optsize = sizeof(struct sctp_assoc_value); 3470 } 3471 break; 3472 } 3473 case SCTP_AUTH_SUPPORTED: 3474 { 3475 struct sctp_assoc_value *av; 3476 3477 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3478 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3479 3480 if (stcb) { 3481 av->assoc_value = stcb->asoc.auth_supported; 3482 SCTP_TCB_UNLOCK(stcb); 3483 } else { 3484 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3485 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3486 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3487 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3488 SCTP_INP_RLOCK(inp); 3489 av->assoc_value = inp->auth_supported; 3490 SCTP_INP_RUNLOCK(inp); 3491 } else { 3492 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3493 error = EINVAL; 3494 } 3495 } 3496 if (error == 0) { 3497 *optsize = sizeof(struct sctp_assoc_value); 3498 } 3499 break; 3500 } 3501 case SCTP_ASCONF_SUPPORTED: 3502 { 3503 struct sctp_assoc_value *av; 3504 3505 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3506 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3507 3508 if (stcb) { 3509 av->assoc_value = stcb->asoc.asconf_supported; 3510 SCTP_TCB_UNLOCK(stcb); 3511 } else { 3512 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3513 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3514 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3515 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3516 SCTP_INP_RLOCK(inp); 3517 av->assoc_value = inp->asconf_supported; 3518 SCTP_INP_RUNLOCK(inp); 3519 } else { 3520 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3521 error = EINVAL; 3522 } 3523 } 3524 if (error == 0) { 3525 *optsize = sizeof(struct sctp_assoc_value); 3526 } 3527 break; 3528 } 3529 case SCTP_RECONFIG_SUPPORTED: 3530 { 3531 struct sctp_assoc_value *av; 3532 3533 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3534 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3535 3536 if (stcb) { 3537 av->assoc_value = stcb->asoc.reconfig_supported; 3538 SCTP_TCB_UNLOCK(stcb); 3539 } else { 3540 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3541 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3542 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3543 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3544 SCTP_INP_RLOCK(inp); 3545 av->assoc_value = inp->reconfig_supported; 3546 SCTP_INP_RUNLOCK(inp); 3547 } else { 3548 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3549 error = EINVAL; 3550 } 3551 } 3552 if (error == 0) { 3553 *optsize = sizeof(struct sctp_assoc_value); 3554 } 3555 break; 3556 } 3557 case SCTP_NRSACK_SUPPORTED: 3558 { 3559 struct sctp_assoc_value *av; 3560 3561 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3562 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3563 3564 if (stcb) { 3565 av->assoc_value = stcb->asoc.nrsack_supported; 3566 SCTP_TCB_UNLOCK(stcb); 3567 } else { 3568 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3569 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3570 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3571 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3572 SCTP_INP_RLOCK(inp); 3573 av->assoc_value = inp->nrsack_supported; 3574 SCTP_INP_RUNLOCK(inp); 3575 } else { 3576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3577 error = EINVAL; 3578 } 3579 } 3580 if (error == 0) { 3581 *optsize = sizeof(struct sctp_assoc_value); 3582 } 3583 break; 3584 } 3585 case SCTP_PKTDROP_SUPPORTED: 3586 { 3587 struct sctp_assoc_value *av; 3588 3589 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3590 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3591 3592 if (stcb) { 3593 av->assoc_value = stcb->asoc.pktdrop_supported; 3594 SCTP_TCB_UNLOCK(stcb); 3595 } else { 3596 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3597 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3598 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3599 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3600 SCTP_INP_RLOCK(inp); 3601 av->assoc_value = inp->pktdrop_supported; 3602 SCTP_INP_RUNLOCK(inp); 3603 } else { 3604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3605 error = EINVAL; 3606 } 3607 } 3608 if (error == 0) { 3609 *optsize = sizeof(struct sctp_assoc_value); 3610 } 3611 break; 3612 } 3613 case SCTP_ENABLE_STREAM_RESET: 3614 { 3615 struct sctp_assoc_value *av; 3616 3617 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3618 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3619 3620 if (stcb) { 3621 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3622 SCTP_TCB_UNLOCK(stcb); 3623 } else { 3624 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3625 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3626 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3627 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3628 SCTP_INP_RLOCK(inp); 3629 av->assoc_value = (uint32_t)inp->local_strreset_support; 3630 SCTP_INP_RUNLOCK(inp); 3631 } else { 3632 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3633 error = EINVAL; 3634 } 3635 } 3636 if (error == 0) { 3637 *optsize = sizeof(struct sctp_assoc_value); 3638 } 3639 break; 3640 } 3641 case SCTP_PR_STREAM_STATUS: 3642 { 3643 struct sctp_prstatus *sprstat; 3644 uint16_t sid; 3645 uint16_t policy; 3646 3647 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3648 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3649 3650 sid = sprstat->sprstat_sid; 3651 policy = sprstat->sprstat_policy; 3652 #if defined(SCTP_DETAILED_STR_STATS) 3653 if ((stcb != NULL) && 3654 (sid < stcb->asoc.streamoutcnt) && 3655 (policy != SCTP_PR_SCTP_NONE) && 3656 ((policy <= SCTP_PR_SCTP_MAX) || 3657 (policy == SCTP_PR_SCTP_ALL))) { 3658 if (policy == SCTP_PR_SCTP_ALL) { 3659 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3660 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3661 } else { 3662 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3663 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3664 } 3665 #else 3666 if ((stcb != NULL) && 3667 (sid < stcb->asoc.streamoutcnt) && 3668 (policy == SCTP_PR_SCTP_ALL)) { 3669 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3670 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3671 #endif 3672 } else { 3673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3674 error = EINVAL; 3675 } 3676 if (stcb != NULL) { 3677 SCTP_TCB_UNLOCK(stcb); 3678 } 3679 if (error == 0) { 3680 *optsize = sizeof(struct sctp_prstatus); 3681 } 3682 break; 3683 } 3684 case SCTP_PR_ASSOC_STATUS: 3685 { 3686 struct sctp_prstatus *sprstat; 3687 uint16_t policy; 3688 3689 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3690 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3691 3692 policy = sprstat->sprstat_policy; 3693 if ((stcb != NULL) && 3694 (policy != SCTP_PR_SCTP_NONE) && 3695 ((policy <= SCTP_PR_SCTP_MAX) || 3696 (policy == SCTP_PR_SCTP_ALL))) { 3697 if (policy == SCTP_PR_SCTP_ALL) { 3698 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3699 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3700 } else { 3701 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3702 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3703 } 3704 } else { 3705 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3706 error = EINVAL; 3707 } 3708 if (stcb != NULL) { 3709 SCTP_TCB_UNLOCK(stcb); 3710 } 3711 if (error == 0) { 3712 *optsize = sizeof(struct sctp_prstatus); 3713 } 3714 break; 3715 } 3716 case SCTP_MAX_CWND: 3717 { 3718 struct sctp_assoc_value *av; 3719 3720 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3721 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3722 3723 if (stcb) { 3724 av->assoc_value = stcb->asoc.max_cwnd; 3725 SCTP_TCB_UNLOCK(stcb); 3726 } else { 3727 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3728 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3729 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3730 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3731 SCTP_INP_RLOCK(inp); 3732 av->assoc_value = inp->max_cwnd; 3733 SCTP_INP_RUNLOCK(inp); 3734 } else { 3735 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3736 error = EINVAL; 3737 } 3738 } 3739 if (error == 0) { 3740 *optsize = sizeof(struct sctp_assoc_value); 3741 } 3742 break; 3743 } 3744 default: 3745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3746 error = ENOPROTOOPT; 3747 break; 3748 } /* end switch (sopt->sopt_name) */ 3749 if (error) { 3750 *optsize = 0; 3751 } 3752 return (error); 3753 } 3754 3755 static int 3756 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3757 void *p) 3758 { 3759 int error, set_opt; 3760 uint32_t *mopt; 3761 struct sctp_tcb *stcb = NULL; 3762 struct sctp_inpcb *inp = NULL; 3763 uint32_t vrf_id; 3764 3765 if (optval == NULL) { 3766 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3767 return (EINVAL); 3768 } 3769 inp = (struct sctp_inpcb *)so->so_pcb; 3770 if (inp == NULL) { 3771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3772 return (EINVAL); 3773 } 3774 vrf_id = inp->def_vrf_id; 3775 3776 error = 0; 3777 switch (optname) { 3778 case SCTP_NODELAY: 3779 case SCTP_AUTOCLOSE: 3780 case SCTP_AUTO_ASCONF: 3781 case SCTP_EXPLICIT_EOR: 3782 case SCTP_DISABLE_FRAGMENTS: 3783 case SCTP_USE_EXT_RCVINFO: 3784 case SCTP_I_WANT_MAPPED_V4_ADDR: 3785 /* copy in the option value */ 3786 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3787 set_opt = 0; 3788 if (error) 3789 break; 3790 switch (optname) { 3791 case SCTP_DISABLE_FRAGMENTS: 3792 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3793 break; 3794 case SCTP_AUTO_ASCONF: 3795 /* 3796 * NOTE: we don't really support this flag 3797 */ 3798 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3799 /* only valid for bound all sockets */ 3800 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3801 (*mopt != 0)) { 3802 /* forbidden by admin */ 3803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3804 return (EPERM); 3805 } 3806 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3807 } else { 3808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3809 return (EINVAL); 3810 } 3811 break; 3812 case SCTP_EXPLICIT_EOR: 3813 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3814 break; 3815 case SCTP_USE_EXT_RCVINFO: 3816 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3817 break; 3818 case SCTP_I_WANT_MAPPED_V4_ADDR: 3819 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3820 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3821 } else { 3822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3823 return (EINVAL); 3824 } 3825 break; 3826 case SCTP_NODELAY: 3827 set_opt = SCTP_PCB_FLAGS_NODELAY; 3828 break; 3829 case SCTP_AUTOCLOSE: 3830 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3831 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3833 return (EINVAL); 3834 } 3835 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3836 /* 3837 * The value is in ticks. Note this does not effect 3838 * old associations, only new ones. 3839 */ 3840 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3841 break; 3842 } 3843 SCTP_INP_WLOCK(inp); 3844 if (*mopt != 0) { 3845 sctp_feature_on(inp, set_opt); 3846 } else { 3847 sctp_feature_off(inp, set_opt); 3848 } 3849 SCTP_INP_WUNLOCK(inp); 3850 break; 3851 case SCTP_REUSE_PORT: 3852 { 3853 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3854 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3855 /* Can't set it after we are bound */ 3856 error = EINVAL; 3857 break; 3858 } 3859 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3860 /* Can't do this for a 1-m socket */ 3861 error = EINVAL; 3862 break; 3863 } 3864 if (optval) 3865 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3866 else 3867 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3868 break; 3869 } 3870 case SCTP_PARTIAL_DELIVERY_POINT: 3871 { 3872 uint32_t *value; 3873 3874 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3875 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3877 error = EINVAL; 3878 break; 3879 } 3880 inp->partial_delivery_point = *value; 3881 break; 3882 } 3883 case SCTP_FRAGMENT_INTERLEAVE: 3884 /* not yet until we re-write sctp_recvmsg() */ 3885 { 3886 uint32_t *level; 3887 3888 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3889 if (*level == SCTP_FRAG_LEVEL_2) { 3890 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3891 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3892 } else if (*level == SCTP_FRAG_LEVEL_1) { 3893 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3894 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3895 } else if (*level == SCTP_FRAG_LEVEL_0) { 3896 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3897 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3898 3899 } else { 3900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3901 error = EINVAL; 3902 } 3903 break; 3904 } 3905 case SCTP_INTERLEAVING_SUPPORTED: 3906 { 3907 struct sctp_assoc_value *av; 3908 3909 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3910 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3911 3912 if (stcb) { 3913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3914 error = EINVAL; 3915 SCTP_TCB_UNLOCK(stcb); 3916 } else { 3917 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3918 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3919 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3920 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3921 SCTP_INP_WLOCK(inp); 3922 if (av->assoc_value == 0) { 3923 inp->idata_supported = 0; 3924 } else { 3925 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3926 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3927 inp->idata_supported = 1; 3928 } else { 3929 /* 3930 * Must have Frag 3931 * interleave and 3932 * stream interleave 3933 * on 3934 */ 3935 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3936 error = EINVAL; 3937 } 3938 } 3939 SCTP_INP_WUNLOCK(inp); 3940 } else { 3941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3942 error = EINVAL; 3943 } 3944 } 3945 break; 3946 } 3947 case SCTP_CMT_ON_OFF: 3948 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3949 struct sctp_assoc_value *av; 3950 3951 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3952 if (av->assoc_value > SCTP_CMT_MAX) { 3953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3954 error = EINVAL; 3955 break; 3956 } 3957 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3958 if (stcb) { 3959 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3960 SCTP_TCB_UNLOCK(stcb); 3961 } else { 3962 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3963 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3964 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3965 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3966 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3967 SCTP_INP_WLOCK(inp); 3968 inp->sctp_cmt_on_off = av->assoc_value; 3969 SCTP_INP_WUNLOCK(inp); 3970 } 3971 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3972 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3973 (av->assoc_id == SCTP_ALL_ASSOC))) { 3974 SCTP_INP_RLOCK(inp); 3975 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3976 SCTP_TCB_LOCK(stcb); 3977 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3978 SCTP_TCB_UNLOCK(stcb); 3979 } 3980 SCTP_INP_RUNLOCK(inp); 3981 } 3982 } 3983 } else { 3984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3985 error = ENOPROTOOPT; 3986 } 3987 break; 3988 case SCTP_PLUGGABLE_CC: 3989 { 3990 struct sctp_assoc_value *av; 3991 struct sctp_nets *net; 3992 3993 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3994 if ((av->assoc_value != SCTP_CC_RFC2581) && 3995 (av->assoc_value != SCTP_CC_HSTCP) && 3996 (av->assoc_value != SCTP_CC_HTCP) && 3997 (av->assoc_value != SCTP_CC_RTCC)) { 3998 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3999 error = EINVAL; 4000 break; 4001 } 4002 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4003 if (stcb) { 4004 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4005 stcb->asoc.congestion_control_module = av->assoc_value; 4006 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4007 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4008 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4009 } 4010 } 4011 SCTP_TCB_UNLOCK(stcb); 4012 } else { 4013 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4014 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4015 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4016 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4017 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4018 SCTP_INP_WLOCK(inp); 4019 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4020 SCTP_INP_WUNLOCK(inp); 4021 } 4022 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4023 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4024 (av->assoc_id == SCTP_ALL_ASSOC))) { 4025 SCTP_INP_RLOCK(inp); 4026 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4027 SCTP_TCB_LOCK(stcb); 4028 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4029 stcb->asoc.congestion_control_module = av->assoc_value; 4030 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4031 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4032 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4033 } 4034 } 4035 SCTP_TCB_UNLOCK(stcb); 4036 } 4037 SCTP_INP_RUNLOCK(inp); 4038 } 4039 } 4040 break; 4041 } 4042 case SCTP_CC_OPTION: 4043 { 4044 struct sctp_cc_option *cc_opt; 4045 4046 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4047 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4048 if (stcb == NULL) { 4049 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4050 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4051 SCTP_INP_RLOCK(inp); 4052 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4053 SCTP_TCB_LOCK(stcb); 4054 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4055 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4056 } 4057 SCTP_TCB_UNLOCK(stcb); 4058 } 4059 SCTP_INP_RUNLOCK(inp); 4060 } else { 4061 error = EINVAL; 4062 } 4063 } else { 4064 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4065 error = ENOTSUP; 4066 } else { 4067 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4068 cc_opt); 4069 } 4070 SCTP_TCB_UNLOCK(stcb); 4071 } 4072 break; 4073 } 4074 case SCTP_PLUGGABLE_SS: 4075 { 4076 struct sctp_assoc_value *av; 4077 4078 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4079 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4080 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4081 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4082 (av->assoc_value != SCTP_SS_PRIORITY) && 4083 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4084 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4086 error = EINVAL; 4087 break; 4088 } 4089 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4090 if (stcb) { 4091 SCTP_TCB_SEND_LOCK(stcb); 4092 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4093 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4094 stcb->asoc.stream_scheduling_module = av->assoc_value; 4095 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4096 SCTP_TCB_SEND_UNLOCK(stcb); 4097 SCTP_TCB_UNLOCK(stcb); 4098 } else { 4099 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4100 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4101 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4102 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4103 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4104 SCTP_INP_WLOCK(inp); 4105 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4106 SCTP_INP_WUNLOCK(inp); 4107 } 4108 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4109 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4110 (av->assoc_id == SCTP_ALL_ASSOC))) { 4111 SCTP_INP_RLOCK(inp); 4112 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4113 SCTP_TCB_LOCK(stcb); 4114 SCTP_TCB_SEND_LOCK(stcb); 4115 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4116 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4117 stcb->asoc.stream_scheduling_module = av->assoc_value; 4118 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4119 SCTP_TCB_SEND_UNLOCK(stcb); 4120 SCTP_TCB_UNLOCK(stcb); 4121 } 4122 SCTP_INP_RUNLOCK(inp); 4123 } 4124 } 4125 break; 4126 } 4127 case SCTP_SS_VALUE: 4128 { 4129 struct sctp_stream_value *av; 4130 4131 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4132 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4133 if (stcb) { 4134 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4135 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4136 av->stream_value) < 0)) { 4137 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4138 error = EINVAL; 4139 } 4140 SCTP_TCB_UNLOCK(stcb); 4141 } else { 4142 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4143 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4144 SCTP_INP_RLOCK(inp); 4145 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4146 SCTP_TCB_LOCK(stcb); 4147 if (av->stream_id < stcb->asoc.streamoutcnt) { 4148 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4149 &stcb->asoc, 4150 &stcb->asoc.strmout[av->stream_id], 4151 av->stream_value); 4152 } 4153 SCTP_TCB_UNLOCK(stcb); 4154 } 4155 SCTP_INP_RUNLOCK(inp); 4156 } else { 4157 /* 4158 * Can't set stream value without 4159 * association 4160 */ 4161 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4162 error = EINVAL; 4163 } 4164 } 4165 break; 4166 } 4167 case SCTP_CLR_STAT_LOG: 4168 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4169 error = EOPNOTSUPP; 4170 break; 4171 case SCTP_CONTEXT: 4172 { 4173 struct sctp_assoc_value *av; 4174 4175 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4176 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4177 4178 if (stcb) { 4179 stcb->asoc.context = av->assoc_value; 4180 SCTP_TCB_UNLOCK(stcb); 4181 } else { 4182 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4183 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4184 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4185 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4186 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4187 SCTP_INP_WLOCK(inp); 4188 inp->sctp_context = av->assoc_value; 4189 SCTP_INP_WUNLOCK(inp); 4190 } 4191 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4192 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4193 (av->assoc_id == SCTP_ALL_ASSOC))) { 4194 SCTP_INP_RLOCK(inp); 4195 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4196 SCTP_TCB_LOCK(stcb); 4197 stcb->asoc.context = av->assoc_value; 4198 SCTP_TCB_UNLOCK(stcb); 4199 } 4200 SCTP_INP_RUNLOCK(inp); 4201 } 4202 } 4203 break; 4204 } 4205 case SCTP_VRF_ID: 4206 { 4207 uint32_t *default_vrfid; 4208 4209 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4210 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4211 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4212 error = EINVAL; 4213 break; 4214 } 4215 inp->def_vrf_id = *default_vrfid; 4216 break; 4217 } 4218 case SCTP_DEL_VRF_ID: 4219 { 4220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4221 error = EOPNOTSUPP; 4222 break; 4223 } 4224 case SCTP_ADD_VRF_ID: 4225 { 4226 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4227 error = EOPNOTSUPP; 4228 break; 4229 } 4230 case SCTP_DELAYED_SACK: 4231 { 4232 struct sctp_sack_info *sack; 4233 4234 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4235 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4236 if (sack->sack_delay) { 4237 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4238 error = EINVAL; 4239 if (stcb != NULL) { 4240 SCTP_TCB_UNLOCK(stcb); 4241 } 4242 break; 4243 } 4244 } 4245 if (stcb) { 4246 if (sack->sack_delay) { 4247 stcb->asoc.delayed_ack = sack->sack_delay; 4248 } 4249 if (sack->sack_freq) { 4250 stcb->asoc.sack_freq = sack->sack_freq; 4251 } 4252 SCTP_TCB_UNLOCK(stcb); 4253 } else { 4254 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4255 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4256 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4257 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4258 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4259 SCTP_INP_WLOCK(inp); 4260 if (sack->sack_delay) { 4261 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4262 } 4263 if (sack->sack_freq) { 4264 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4265 } 4266 SCTP_INP_WUNLOCK(inp); 4267 } 4268 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4269 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4270 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4271 SCTP_INP_RLOCK(inp); 4272 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4273 SCTP_TCB_LOCK(stcb); 4274 if (sack->sack_delay) { 4275 stcb->asoc.delayed_ack = sack->sack_delay; 4276 } 4277 if (sack->sack_freq) { 4278 stcb->asoc.sack_freq = sack->sack_freq; 4279 } 4280 SCTP_TCB_UNLOCK(stcb); 4281 } 4282 SCTP_INP_RUNLOCK(inp); 4283 } 4284 } 4285 break; 4286 } 4287 case SCTP_AUTH_CHUNK: 4288 { 4289 struct sctp_authchunk *sauth; 4290 4291 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4292 4293 SCTP_INP_WLOCK(inp); 4294 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4295 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4296 error = EINVAL; 4297 } else { 4298 inp->auth_supported = 1; 4299 } 4300 SCTP_INP_WUNLOCK(inp); 4301 break; 4302 } 4303 case SCTP_AUTH_KEY: 4304 { 4305 struct sctp_authkey *sca; 4306 struct sctp_keyhead *shared_keys; 4307 sctp_sharedkey_t *shared_key; 4308 sctp_key_t *key = NULL; 4309 size_t size; 4310 4311 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4312 if (sca->sca_keylength == 0) { 4313 size = optsize - sizeof(struct sctp_authkey); 4314 } else { 4315 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4316 size = sca->sca_keylength; 4317 } else { 4318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4319 error = EINVAL; 4320 break; 4321 } 4322 } 4323 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4324 4325 if (stcb) { 4326 shared_keys = &stcb->asoc.shared_keys; 4327 /* clear the cached keys for this key id */ 4328 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4329 /* 4330 * create the new shared key and 4331 * insert/replace it 4332 */ 4333 if (size > 0) { 4334 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4335 if (key == NULL) { 4336 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4337 error = ENOMEM; 4338 SCTP_TCB_UNLOCK(stcb); 4339 break; 4340 } 4341 } 4342 shared_key = sctp_alloc_sharedkey(); 4343 if (shared_key == NULL) { 4344 sctp_free_key(key); 4345 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4346 error = ENOMEM; 4347 SCTP_TCB_UNLOCK(stcb); 4348 break; 4349 } 4350 shared_key->key = key; 4351 shared_key->keyid = sca->sca_keynumber; 4352 error = sctp_insert_sharedkey(shared_keys, shared_key); 4353 SCTP_TCB_UNLOCK(stcb); 4354 } else { 4355 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4356 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4357 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4358 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4359 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4360 SCTP_INP_WLOCK(inp); 4361 shared_keys = &inp->sctp_ep.shared_keys; 4362 /* 4363 * clear the cached keys on all 4364 * assocs for this key id 4365 */ 4366 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4367 /* 4368 * create the new shared key and 4369 * insert/replace it 4370 */ 4371 if (size > 0) { 4372 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4373 if (key == NULL) { 4374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4375 error = ENOMEM; 4376 SCTP_INP_WUNLOCK(inp); 4377 break; 4378 } 4379 } 4380 shared_key = sctp_alloc_sharedkey(); 4381 if (shared_key == NULL) { 4382 sctp_free_key(key); 4383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4384 error = ENOMEM; 4385 SCTP_INP_WUNLOCK(inp); 4386 break; 4387 } 4388 shared_key->key = key; 4389 shared_key->keyid = sca->sca_keynumber; 4390 error = sctp_insert_sharedkey(shared_keys, shared_key); 4391 SCTP_INP_WUNLOCK(inp); 4392 } 4393 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4394 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4395 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4396 SCTP_INP_RLOCK(inp); 4397 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4398 SCTP_TCB_LOCK(stcb); 4399 shared_keys = &stcb->asoc.shared_keys; 4400 /* 4401 * clear the cached keys for 4402 * this key id 4403 */ 4404 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4405 /* 4406 * create the new shared key 4407 * and insert/replace it 4408 */ 4409 if (size > 0) { 4410 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4411 if (key == NULL) { 4412 SCTP_TCB_UNLOCK(stcb); 4413 continue; 4414 } 4415 } 4416 shared_key = sctp_alloc_sharedkey(); 4417 if (shared_key == NULL) { 4418 sctp_free_key(key); 4419 SCTP_TCB_UNLOCK(stcb); 4420 continue; 4421 } 4422 shared_key->key = key; 4423 shared_key->keyid = sca->sca_keynumber; 4424 error = sctp_insert_sharedkey(shared_keys, shared_key); 4425 SCTP_TCB_UNLOCK(stcb); 4426 } 4427 SCTP_INP_RUNLOCK(inp); 4428 } 4429 } 4430 break; 4431 } 4432 case SCTP_HMAC_IDENT: 4433 { 4434 struct sctp_hmacalgo *shmac; 4435 sctp_hmaclist_t *hmaclist; 4436 uint16_t hmacid; 4437 uint32_t i; 4438 4439 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4440 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4441 (shmac->shmac_number_of_idents > 0xffff)) { 4442 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4443 error = EINVAL; 4444 break; 4445 } 4446 4447 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4448 if (hmaclist == NULL) { 4449 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4450 error = ENOMEM; 4451 break; 4452 } 4453 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4454 hmacid = shmac->shmac_idents[i]; 4455 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4456 /* invalid HMACs were found */ ; 4457 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4458 error = EINVAL; 4459 sctp_free_hmaclist(hmaclist); 4460 goto sctp_set_hmac_done; 4461 } 4462 } 4463 for (i = 0; i < hmaclist->num_algo; i++) { 4464 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4465 /* already in list */ 4466 break; 4467 } 4468 } 4469 if (i == hmaclist->num_algo) { 4470 /* not found in list */ 4471 sctp_free_hmaclist(hmaclist); 4472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4473 error = EINVAL; 4474 break; 4475 } 4476 /* set it on the endpoint */ 4477 SCTP_INP_WLOCK(inp); 4478 if (inp->sctp_ep.local_hmacs) 4479 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4480 inp->sctp_ep.local_hmacs = hmaclist; 4481 SCTP_INP_WUNLOCK(inp); 4482 sctp_set_hmac_done: 4483 break; 4484 } 4485 case SCTP_AUTH_ACTIVE_KEY: 4486 { 4487 struct sctp_authkeyid *scact; 4488 4489 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4490 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4491 4492 /* set the active key on the right place */ 4493 if (stcb) { 4494 /* set the active key on the assoc */ 4495 if (sctp_auth_setactivekey(stcb, 4496 scact->scact_keynumber)) { 4497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4498 SCTP_FROM_SCTP_USRREQ, 4499 EINVAL); 4500 error = EINVAL; 4501 } 4502 SCTP_TCB_UNLOCK(stcb); 4503 } else { 4504 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4505 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4506 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4507 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4508 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4509 SCTP_INP_WLOCK(inp); 4510 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4512 error = EINVAL; 4513 } 4514 SCTP_INP_WUNLOCK(inp); 4515 } 4516 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4517 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4518 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4519 SCTP_INP_RLOCK(inp); 4520 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4521 SCTP_TCB_LOCK(stcb); 4522 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4523 SCTP_TCB_UNLOCK(stcb); 4524 } 4525 SCTP_INP_RUNLOCK(inp); 4526 } 4527 } 4528 break; 4529 } 4530 case SCTP_AUTH_DELETE_KEY: 4531 { 4532 struct sctp_authkeyid *scdel; 4533 4534 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4535 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4536 4537 /* delete the key from the right place */ 4538 if (stcb) { 4539 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4541 error = EINVAL; 4542 } 4543 SCTP_TCB_UNLOCK(stcb); 4544 } else { 4545 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4546 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4547 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4548 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4549 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4550 SCTP_INP_WLOCK(inp); 4551 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4553 error = EINVAL; 4554 } 4555 SCTP_INP_WUNLOCK(inp); 4556 } 4557 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4558 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4559 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4560 SCTP_INP_RLOCK(inp); 4561 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4562 SCTP_TCB_LOCK(stcb); 4563 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4564 SCTP_TCB_UNLOCK(stcb); 4565 } 4566 SCTP_INP_RUNLOCK(inp); 4567 } 4568 } 4569 break; 4570 } 4571 case SCTP_AUTH_DEACTIVATE_KEY: 4572 { 4573 struct sctp_authkeyid *keyid; 4574 4575 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4576 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4577 4578 /* deactivate the key from the right place */ 4579 if (stcb) { 4580 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4582 error = EINVAL; 4583 } 4584 SCTP_TCB_UNLOCK(stcb); 4585 } else { 4586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4588 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4589 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4590 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4591 SCTP_INP_WLOCK(inp); 4592 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4594 error = EINVAL; 4595 } 4596 SCTP_INP_WUNLOCK(inp); 4597 } 4598 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4599 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4600 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4601 SCTP_INP_RLOCK(inp); 4602 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4603 SCTP_TCB_LOCK(stcb); 4604 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4605 SCTP_TCB_UNLOCK(stcb); 4606 } 4607 SCTP_INP_RUNLOCK(inp); 4608 } 4609 } 4610 break; 4611 } 4612 case SCTP_ENABLE_STREAM_RESET: 4613 { 4614 struct sctp_assoc_value *av; 4615 4616 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4617 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4619 error = EINVAL; 4620 break; 4621 } 4622 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4623 if (stcb) { 4624 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4625 SCTP_TCB_UNLOCK(stcb); 4626 } else { 4627 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4628 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4629 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4630 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4631 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4632 SCTP_INP_WLOCK(inp); 4633 inp->local_strreset_support = (uint8_t)av->assoc_value; 4634 SCTP_INP_WUNLOCK(inp); 4635 } 4636 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4637 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4638 (av->assoc_id == SCTP_ALL_ASSOC))) { 4639 SCTP_INP_RLOCK(inp); 4640 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4641 SCTP_TCB_LOCK(stcb); 4642 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4643 SCTP_TCB_UNLOCK(stcb); 4644 } 4645 SCTP_INP_RUNLOCK(inp); 4646 } 4647 4648 } 4649 break; 4650 } 4651 case SCTP_RESET_STREAMS: 4652 { 4653 struct sctp_reset_streams *strrst; 4654 int i, send_out = 0; 4655 int send_in = 0; 4656 4657 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4658 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4659 if (stcb == NULL) { 4660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4661 error = ENOENT; 4662 break; 4663 } 4664 if (stcb->asoc.reconfig_supported == 0) { 4665 /* 4666 * Peer does not support the chunk type. 4667 */ 4668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4669 error = EOPNOTSUPP; 4670 SCTP_TCB_UNLOCK(stcb); 4671 break; 4672 } 4673 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4675 error = EINVAL; 4676 SCTP_TCB_UNLOCK(stcb); 4677 break; 4678 } 4679 if (sizeof(struct sctp_reset_streams) + 4680 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4681 error = EINVAL; 4682 SCTP_TCB_UNLOCK(stcb); 4683 break; 4684 } 4685 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4686 send_in = 1; 4687 if (stcb->asoc.stream_reset_outstanding) { 4688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4689 error = EALREADY; 4690 SCTP_TCB_UNLOCK(stcb); 4691 break; 4692 } 4693 } 4694 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4695 send_out = 1; 4696 } 4697 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4699 error = ENOMEM; 4700 SCTP_TCB_UNLOCK(stcb); 4701 break; 4702 } 4703 if ((send_in == 0) && (send_out == 0)) { 4704 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4705 error = EINVAL; 4706 SCTP_TCB_UNLOCK(stcb); 4707 break; 4708 } 4709 for (i = 0; i < strrst->srs_number_streams; i++) { 4710 if ((send_in) && 4711 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4712 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4713 error = EINVAL; 4714 break; 4715 } 4716 if ((send_out) && 4717 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4719 error = EINVAL; 4720 break; 4721 } 4722 } 4723 if (error) { 4724 SCTP_TCB_UNLOCK(stcb); 4725 break; 4726 } 4727 if (send_out) { 4728 int cnt; 4729 uint16_t strm; 4730 4731 if (strrst->srs_number_streams) { 4732 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4733 strm = strrst->srs_stream_list[i]; 4734 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4735 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4736 cnt++; 4737 } 4738 } 4739 } else { 4740 /* Its all */ 4741 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4742 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4743 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4744 cnt++; 4745 } 4746 } 4747 } 4748 } 4749 if (send_in) { 4750 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4751 strrst->srs_stream_list, 4752 send_in, 0, 0, 0, 0, 0); 4753 } else { 4754 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4755 } 4756 if (error == 0) { 4757 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4758 } else { 4759 /* 4760 * For outgoing streams don't report any 4761 * problems in sending the request to the 4762 * application. XXX: Double check resetting 4763 * incoming streams. 4764 */ 4765 error = 0; 4766 } 4767 SCTP_TCB_UNLOCK(stcb); 4768 break; 4769 } 4770 case SCTP_ADD_STREAMS: 4771 { 4772 struct sctp_add_streams *stradd; 4773 uint8_t addstream = 0; 4774 uint16_t add_o_strmcnt = 0; 4775 uint16_t add_i_strmcnt = 0; 4776 4777 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4778 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4779 if (stcb == NULL) { 4780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4781 error = ENOENT; 4782 break; 4783 } 4784 if (stcb->asoc.reconfig_supported == 0) { 4785 /* 4786 * Peer does not support the chunk type. 4787 */ 4788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4789 error = EOPNOTSUPP; 4790 SCTP_TCB_UNLOCK(stcb); 4791 break; 4792 } 4793 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4795 error = EINVAL; 4796 SCTP_TCB_UNLOCK(stcb); 4797 break; 4798 } 4799 if (stcb->asoc.stream_reset_outstanding) { 4800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4801 error = EALREADY; 4802 SCTP_TCB_UNLOCK(stcb); 4803 break; 4804 } 4805 if ((stradd->sas_outstrms == 0) && 4806 (stradd->sas_instrms == 0)) { 4807 error = EINVAL; 4808 goto skip_stuff; 4809 } 4810 if (stradd->sas_outstrms) { 4811 addstream = 1; 4812 /* We allocate here */ 4813 add_o_strmcnt = stradd->sas_outstrms; 4814 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4815 /* You can't have more than 64k */ 4816 error = EINVAL; 4817 goto skip_stuff; 4818 } 4819 } 4820 if (stradd->sas_instrms) { 4821 int cnt; 4822 4823 addstream |= 2; 4824 /* 4825 * We allocate inside 4826 * sctp_send_str_reset_req() 4827 */ 4828 add_i_strmcnt = stradd->sas_instrms; 4829 cnt = add_i_strmcnt; 4830 cnt += stcb->asoc.streamincnt; 4831 if (cnt > 0x0000ffff) { 4832 /* You can't have more than 64k */ 4833 error = EINVAL; 4834 goto skip_stuff; 4835 } 4836 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4837 /* More than you are allowed */ 4838 error = EINVAL; 4839 goto skip_stuff; 4840 } 4841 } 4842 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4843 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4844 skip_stuff: 4845 SCTP_TCB_UNLOCK(stcb); 4846 break; 4847 } 4848 case SCTP_RESET_ASSOC: 4849 { 4850 int i; 4851 uint32_t *value; 4852 4853 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4854 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4855 if (stcb == NULL) { 4856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4857 error = ENOENT; 4858 break; 4859 } 4860 if (stcb->asoc.reconfig_supported == 0) { 4861 /* 4862 * Peer does not support the chunk type. 4863 */ 4864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4865 error = EOPNOTSUPP; 4866 SCTP_TCB_UNLOCK(stcb); 4867 break; 4868 } 4869 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4870 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4871 error = EINVAL; 4872 SCTP_TCB_UNLOCK(stcb); 4873 break; 4874 } 4875 if (stcb->asoc.stream_reset_outstanding) { 4876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4877 error = EALREADY; 4878 SCTP_TCB_UNLOCK(stcb); 4879 break; 4880 } 4881 /* 4882 * Is there any data pending in the send or sent 4883 * queues? 4884 */ 4885 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4886 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4887 busy_out: 4888 error = EBUSY; 4889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4890 SCTP_TCB_UNLOCK(stcb); 4891 break; 4892 } 4893 /* Do any streams have data queued? */ 4894 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4895 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4896 goto busy_out; 4897 } 4898 } 4899 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4900 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4901 SCTP_TCB_UNLOCK(stcb); 4902 break; 4903 } 4904 case SCTP_CONNECT_X: 4905 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4907 error = EINVAL; 4908 break; 4909 } 4910 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4911 break; 4912 case SCTP_CONNECT_X_DELAYED: 4913 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4915 error = EINVAL; 4916 break; 4917 } 4918 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4919 break; 4920 case SCTP_CONNECT_X_COMPLETE: 4921 { 4922 struct sockaddr *sa; 4923 4924 /* FIXME MT: check correct? */ 4925 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4926 4927 /* find tcb */ 4928 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4929 SCTP_INP_RLOCK(inp); 4930 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4931 if (stcb) { 4932 SCTP_TCB_LOCK(stcb); 4933 } 4934 SCTP_INP_RUNLOCK(inp); 4935 } else { 4936 /* 4937 * We increment here since 4938 * sctp_findassociation_ep_addr() wil do a 4939 * decrement if it finds the stcb as long as 4940 * the locked tcb (last argument) is NOT a 4941 * TCB.. aka NULL. 4942 */ 4943 SCTP_INP_INCR_REF(inp); 4944 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4945 if (stcb == NULL) { 4946 SCTP_INP_DECR_REF(inp); 4947 } 4948 } 4949 4950 if (stcb == NULL) { 4951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4952 error = ENOENT; 4953 break; 4954 } 4955 if (stcb->asoc.delayed_connection == 1) { 4956 stcb->asoc.delayed_connection = 0; 4957 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4958 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4959 stcb->asoc.primary_destination, 4960 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4961 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4962 } else { 4963 /* 4964 * already expired or did not use delayed 4965 * connectx 4966 */ 4967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4968 error = EALREADY; 4969 } 4970 SCTP_TCB_UNLOCK(stcb); 4971 break; 4972 } 4973 case SCTP_MAX_BURST: 4974 { 4975 struct sctp_assoc_value *av; 4976 4977 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4978 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4979 4980 if (stcb) { 4981 stcb->asoc.max_burst = av->assoc_value; 4982 SCTP_TCB_UNLOCK(stcb); 4983 } else { 4984 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4985 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4986 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4987 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4988 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4989 SCTP_INP_WLOCK(inp); 4990 inp->sctp_ep.max_burst = av->assoc_value; 4991 SCTP_INP_WUNLOCK(inp); 4992 } 4993 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4994 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4995 (av->assoc_id == SCTP_ALL_ASSOC))) { 4996 SCTP_INP_RLOCK(inp); 4997 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4998 SCTP_TCB_LOCK(stcb); 4999 stcb->asoc.max_burst = av->assoc_value; 5000 SCTP_TCB_UNLOCK(stcb); 5001 } 5002 SCTP_INP_RUNLOCK(inp); 5003 } 5004 } 5005 break; 5006 } 5007 case SCTP_MAXSEG: 5008 { 5009 struct sctp_assoc_value *av; 5010 int ovh; 5011 5012 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 5013 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 5014 5015 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5016 ovh = SCTP_MED_OVERHEAD; 5017 } else { 5018 ovh = SCTP_MED_V4_OVERHEAD; 5019 } 5020 if (stcb) { 5021 if (av->assoc_value) { 5022 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 5023 } else { 5024 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5025 } 5026 SCTP_TCB_UNLOCK(stcb); 5027 } else { 5028 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5029 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5030 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5031 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 5032 SCTP_INP_WLOCK(inp); 5033 /* 5034 * FIXME MT: I think this is not in 5035 * tune with the API ID 5036 */ 5037 if (av->assoc_value) { 5038 inp->sctp_frag_point = (av->assoc_value + ovh); 5039 } else { 5040 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5041 } 5042 SCTP_INP_WUNLOCK(inp); 5043 } else { 5044 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5045 error = EINVAL; 5046 } 5047 } 5048 break; 5049 } 5050 case SCTP_EVENTS: 5051 { 5052 struct sctp_event_subscribe *events; 5053 5054 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5055 5056 SCTP_INP_WLOCK(inp); 5057 if (events->sctp_data_io_event) { 5058 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5059 } else { 5060 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5061 } 5062 5063 if (events->sctp_association_event) { 5064 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5065 } else { 5066 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5067 } 5068 5069 if (events->sctp_address_event) { 5070 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5071 } else { 5072 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5073 } 5074 5075 if (events->sctp_send_failure_event) { 5076 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5077 } else { 5078 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5079 } 5080 5081 if (events->sctp_peer_error_event) { 5082 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5083 } else { 5084 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5085 } 5086 5087 if (events->sctp_shutdown_event) { 5088 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5089 } else { 5090 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5091 } 5092 5093 if (events->sctp_partial_delivery_event) { 5094 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5095 } else { 5096 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5097 } 5098 5099 if (events->sctp_adaptation_layer_event) { 5100 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5101 } else { 5102 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5103 } 5104 5105 if (events->sctp_authentication_event) { 5106 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5107 } else { 5108 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5109 } 5110 5111 if (events->sctp_sender_dry_event) { 5112 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5113 } else { 5114 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5115 } 5116 5117 if (events->sctp_stream_reset_event) { 5118 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5119 } else { 5120 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5121 } 5122 SCTP_INP_WUNLOCK(inp); 5123 5124 SCTP_INP_RLOCK(inp); 5125 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5126 SCTP_TCB_LOCK(stcb); 5127 if (events->sctp_association_event) { 5128 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5129 } else { 5130 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5131 } 5132 if (events->sctp_address_event) { 5133 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5134 } else { 5135 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5136 } 5137 if (events->sctp_send_failure_event) { 5138 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5139 } else { 5140 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5141 } 5142 if (events->sctp_peer_error_event) { 5143 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5144 } else { 5145 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5146 } 5147 if (events->sctp_shutdown_event) { 5148 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5149 } else { 5150 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5151 } 5152 if (events->sctp_partial_delivery_event) { 5153 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5154 } else { 5155 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5156 } 5157 if (events->sctp_adaptation_layer_event) { 5158 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5159 } else { 5160 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5161 } 5162 if (events->sctp_authentication_event) { 5163 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5164 } else { 5165 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5166 } 5167 if (events->sctp_sender_dry_event) { 5168 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5169 } else { 5170 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5171 } 5172 if (events->sctp_stream_reset_event) { 5173 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5174 } else { 5175 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5176 } 5177 SCTP_TCB_UNLOCK(stcb); 5178 } 5179 /* 5180 * Send up the sender dry event only for 1-to-1 5181 * style sockets. 5182 */ 5183 if (events->sctp_sender_dry_event) { 5184 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5185 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5186 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5187 if (stcb) { 5188 SCTP_TCB_LOCK(stcb); 5189 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5190 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5191 (stcb->asoc.stream_queue_cnt == 0)) { 5192 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5193 } 5194 SCTP_TCB_UNLOCK(stcb); 5195 } 5196 } 5197 } 5198 SCTP_INP_RUNLOCK(inp); 5199 break; 5200 } 5201 case SCTP_ADAPTATION_LAYER: 5202 { 5203 struct sctp_setadaptation *adap_bits; 5204 5205 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5206 SCTP_INP_WLOCK(inp); 5207 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5208 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5209 SCTP_INP_WUNLOCK(inp); 5210 break; 5211 } 5212 #ifdef SCTP_DEBUG 5213 case SCTP_SET_INITIAL_DBG_SEQ: 5214 { 5215 uint32_t *vvv; 5216 5217 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5218 SCTP_INP_WLOCK(inp); 5219 inp->sctp_ep.initial_sequence_debug = *vvv; 5220 SCTP_INP_WUNLOCK(inp); 5221 break; 5222 } 5223 #endif 5224 case SCTP_DEFAULT_SEND_PARAM: 5225 { 5226 struct sctp_sndrcvinfo *s_info; 5227 5228 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5229 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5230 5231 if (stcb) { 5232 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5233 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5234 } else { 5235 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5236 error = EINVAL; 5237 } 5238 SCTP_TCB_UNLOCK(stcb); 5239 } else { 5240 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5241 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5242 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5243 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5244 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5245 SCTP_INP_WLOCK(inp); 5246 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5247 SCTP_INP_WUNLOCK(inp); 5248 } 5249 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5250 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5251 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5252 SCTP_INP_RLOCK(inp); 5253 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5254 SCTP_TCB_LOCK(stcb); 5255 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5256 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5257 } 5258 SCTP_TCB_UNLOCK(stcb); 5259 } 5260 SCTP_INP_RUNLOCK(inp); 5261 } 5262 } 5263 break; 5264 } 5265 case SCTP_PEER_ADDR_PARAMS: 5266 { 5267 struct sctp_paddrparams *paddrp; 5268 struct sctp_nets *net; 5269 struct sockaddr *addr; 5270 #if defined(INET) && defined(INET6) 5271 struct sockaddr_in sin_store; 5272 #endif 5273 5274 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5275 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5276 5277 #if defined(INET) && defined(INET6) 5278 if (paddrp->spp_address.ss_family == AF_INET6) { 5279 struct sockaddr_in6 *sin6; 5280 5281 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5282 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5283 in6_sin6_2_sin(&sin_store, sin6); 5284 addr = (struct sockaddr *)&sin_store; 5285 } else { 5286 addr = (struct sockaddr *)&paddrp->spp_address; 5287 } 5288 } else { 5289 addr = (struct sockaddr *)&paddrp->spp_address; 5290 } 5291 #else 5292 addr = (struct sockaddr *)&paddrp->spp_address; 5293 #endif 5294 if (stcb != NULL) { 5295 net = sctp_findnet(stcb, addr); 5296 } else { 5297 /* 5298 * We increment here since 5299 * sctp_findassociation_ep_addr() wil do a 5300 * decrement if it finds the stcb as long as 5301 * the locked tcb (last argument) is NOT a 5302 * TCB.. aka NULL. 5303 */ 5304 net = NULL; 5305 SCTP_INP_INCR_REF(inp); 5306 stcb = sctp_findassociation_ep_addr(&inp, addr, 5307 &net, NULL, NULL); 5308 if (stcb == NULL) { 5309 SCTP_INP_DECR_REF(inp); 5310 } 5311 } 5312 if ((stcb != NULL) && (net == NULL)) { 5313 #ifdef INET 5314 if (addr->sa_family == AF_INET) { 5315 5316 struct sockaddr_in *sin; 5317 5318 sin = (struct sockaddr_in *)addr; 5319 if (sin->sin_addr.s_addr != INADDR_ANY) { 5320 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5321 SCTP_TCB_UNLOCK(stcb); 5322 error = EINVAL; 5323 break; 5324 } 5325 } else 5326 #endif 5327 #ifdef INET6 5328 if (addr->sa_family == AF_INET6) { 5329 struct sockaddr_in6 *sin6; 5330 5331 sin6 = (struct sockaddr_in6 *)addr; 5332 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5334 SCTP_TCB_UNLOCK(stcb); 5335 error = EINVAL; 5336 break; 5337 } 5338 } else 5339 #endif 5340 { 5341 error = EAFNOSUPPORT; 5342 SCTP_TCB_UNLOCK(stcb); 5343 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5344 break; 5345 } 5346 } 5347 /* sanity checks */ 5348 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5349 if (stcb) 5350 SCTP_TCB_UNLOCK(stcb); 5351 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5352 return (EINVAL); 5353 } 5354 5355 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5356 if (stcb) 5357 SCTP_TCB_UNLOCK(stcb); 5358 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5359 return (EINVAL); 5360 } 5361 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5362 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5363 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5364 if (stcb) 5365 SCTP_TCB_UNLOCK(stcb); 5366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5367 return (EINVAL); 5368 } 5369 5370 if (stcb != NULL) { 5371 /************************TCB SPECIFIC SET ******************/ 5372 if (net != NULL) { 5373 /************************NET SPECIFIC SET ******************/ 5374 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5375 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5376 !(net->dest_state & SCTP_ADDR_NOHB)) { 5377 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5378 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5379 } 5380 net->dest_state |= SCTP_ADDR_NOHB; 5381 } 5382 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5383 if (paddrp->spp_hbinterval) { 5384 net->heart_beat_delay = paddrp->spp_hbinterval; 5385 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5386 net->heart_beat_delay = 0; 5387 } 5388 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5389 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5390 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5391 net->dest_state &= ~SCTP_ADDR_NOHB; 5392 } 5393 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5394 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5395 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5396 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5397 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5398 } 5399 } 5400 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5401 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5402 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5403 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5404 } 5405 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5406 net->mtu = paddrp->spp_pathmtu; 5407 switch (net->ro._l_addr.sa.sa_family) { 5408 #ifdef INET 5409 case AF_INET: 5410 net->mtu += SCTP_MIN_V4_OVERHEAD; 5411 break; 5412 #endif 5413 #ifdef INET6 5414 case AF_INET6: 5415 net->mtu += SCTP_MIN_OVERHEAD; 5416 break; 5417 #endif 5418 default: 5419 break; 5420 } 5421 if (net->mtu < stcb->asoc.smallest_mtu) { 5422 sctp_pathmtu_adjustment(stcb, net->mtu); 5423 } 5424 } 5425 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5426 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5427 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5428 } 5429 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5430 } 5431 if (paddrp->spp_pathmaxrxt) { 5432 if (net->dest_state & SCTP_ADDR_PF) { 5433 if (net->error_count > paddrp->spp_pathmaxrxt) { 5434 net->dest_state &= ~SCTP_ADDR_PF; 5435 } 5436 } else { 5437 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5438 (net->error_count > net->pf_threshold)) { 5439 net->dest_state |= SCTP_ADDR_PF; 5440 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5441 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5442 stcb->sctp_ep, stcb, net, 5443 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5444 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5445 } 5446 } 5447 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5448 if (net->error_count > paddrp->spp_pathmaxrxt) { 5449 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5450 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5451 } 5452 } else { 5453 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5454 net->dest_state |= SCTP_ADDR_REACHABLE; 5455 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5456 } 5457 } 5458 net->failure_threshold = paddrp->spp_pathmaxrxt; 5459 } 5460 if (paddrp->spp_flags & SPP_DSCP) { 5461 net->dscp = paddrp->spp_dscp & 0xfc; 5462 net->dscp |= 0x01; 5463 } 5464 #ifdef INET6 5465 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5466 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5467 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5468 net->flowlabel |= 0x80000000; 5469 } 5470 } 5471 #endif 5472 } else { 5473 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5474 if (paddrp->spp_pathmaxrxt != 0) { 5475 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5476 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5477 if (net->dest_state & SCTP_ADDR_PF) { 5478 if (net->error_count > paddrp->spp_pathmaxrxt) { 5479 net->dest_state &= ~SCTP_ADDR_PF; 5480 } 5481 } else { 5482 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5483 (net->error_count > net->pf_threshold)) { 5484 net->dest_state |= SCTP_ADDR_PF; 5485 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5486 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5487 stcb->sctp_ep, stcb, net, 5488 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5489 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5490 } 5491 } 5492 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5493 if (net->error_count > paddrp->spp_pathmaxrxt) { 5494 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5495 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5496 } 5497 } else { 5498 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5499 net->dest_state |= SCTP_ADDR_REACHABLE; 5500 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5501 } 5502 } 5503 net->failure_threshold = paddrp->spp_pathmaxrxt; 5504 } 5505 } 5506 5507 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5508 if (paddrp->spp_hbinterval != 0) { 5509 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5510 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5511 stcb->asoc.heart_beat_delay = 0; 5512 } 5513 /* Turn back on the timer */ 5514 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5515 if (paddrp->spp_hbinterval != 0) { 5516 net->heart_beat_delay = paddrp->spp_hbinterval; 5517 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5518 net->heart_beat_delay = 0; 5519 } 5520 if (net->dest_state & SCTP_ADDR_NOHB) { 5521 net->dest_state &= ~SCTP_ADDR_NOHB; 5522 } 5523 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5524 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5525 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5526 } 5527 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5528 } 5529 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5530 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5531 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5532 net->dest_state |= SCTP_ADDR_NOHB; 5533 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5534 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5535 inp, stcb, net, 5536 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5537 } 5538 } 5539 } 5540 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5541 } 5542 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5543 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5544 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5545 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5546 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5547 } 5548 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5549 net->mtu = paddrp->spp_pathmtu; 5550 switch (net->ro._l_addr.sa.sa_family) { 5551 #ifdef INET 5552 case AF_INET: 5553 net->mtu += SCTP_MIN_V4_OVERHEAD; 5554 break; 5555 #endif 5556 #ifdef INET6 5557 case AF_INET6: 5558 net->mtu += SCTP_MIN_OVERHEAD; 5559 break; 5560 #endif 5561 default: 5562 break; 5563 } 5564 if (net->mtu < stcb->asoc.smallest_mtu) { 5565 sctp_pathmtu_adjustment(stcb, net->mtu); 5566 } 5567 } 5568 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5569 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5570 } 5571 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5572 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5573 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5574 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5575 } 5576 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5577 } 5578 stcb->asoc.default_mtu = 0; 5579 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5580 } 5581 if (paddrp->spp_flags & SPP_DSCP) { 5582 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5583 net->dscp = paddrp->spp_dscp & 0xfc; 5584 net->dscp |= 0x01; 5585 } 5586 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5587 stcb->asoc.default_dscp |= 0x01; 5588 } 5589 #ifdef INET6 5590 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5591 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5592 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5593 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5594 net->flowlabel |= 0x80000000; 5595 } 5596 } 5597 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5598 stcb->asoc.default_flowlabel |= 0x80000000; 5599 } 5600 #endif 5601 } 5602 SCTP_TCB_UNLOCK(stcb); 5603 } else { 5604 /************************NO TCB, SET TO default stuff ******************/ 5605 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5606 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5607 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5608 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5609 SCTP_INP_WLOCK(inp); 5610 /* 5611 * For the TOS/FLOWLABEL stuff you 5612 * set it with the options on the 5613 * socket 5614 */ 5615 if (paddrp->spp_pathmaxrxt != 0) { 5616 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5617 } 5618 5619 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5620 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5621 else if (paddrp->spp_hbinterval != 0) { 5622 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5623 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5624 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5625 } 5626 5627 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5628 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5629 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5630 } else if (paddrp->spp_hbinterval) { 5631 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5632 } 5633 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5634 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5635 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5636 } 5637 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5638 inp->sctp_ep.default_mtu = 0; 5639 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5640 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5641 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5642 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5643 } 5644 if (paddrp->spp_flags & SPP_DSCP) { 5645 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5646 inp->sctp_ep.default_dscp |= 0x01; 5647 } 5648 #ifdef INET6 5649 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5650 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5651 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5652 inp->sctp_ep.default_flowlabel |= 0x80000000; 5653 } 5654 } 5655 #endif 5656 SCTP_INP_WUNLOCK(inp); 5657 } else { 5658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5659 error = EINVAL; 5660 } 5661 } 5662 break; 5663 } 5664 case SCTP_RTOINFO: 5665 { 5666 struct sctp_rtoinfo *srto; 5667 uint32_t new_init, new_min, new_max; 5668 5669 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5670 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5671 5672 if (stcb) { 5673 if (srto->srto_initial) 5674 new_init = srto->srto_initial; 5675 else 5676 new_init = stcb->asoc.initial_rto; 5677 if (srto->srto_max) 5678 new_max = srto->srto_max; 5679 else 5680 new_max = stcb->asoc.maxrto; 5681 if (srto->srto_min) 5682 new_min = srto->srto_min; 5683 else 5684 new_min = stcb->asoc.minrto; 5685 if ((new_min <= new_init) && (new_init <= new_max)) { 5686 stcb->asoc.initial_rto = new_init; 5687 stcb->asoc.maxrto = new_max; 5688 stcb->asoc.minrto = new_min; 5689 } else { 5690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5691 error = EINVAL; 5692 } 5693 SCTP_TCB_UNLOCK(stcb); 5694 } else { 5695 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5696 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5697 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5698 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5699 SCTP_INP_WLOCK(inp); 5700 if (srto->srto_initial) 5701 new_init = srto->srto_initial; 5702 else 5703 new_init = inp->sctp_ep.initial_rto; 5704 if (srto->srto_max) 5705 new_max = srto->srto_max; 5706 else 5707 new_max = inp->sctp_ep.sctp_maxrto; 5708 if (srto->srto_min) 5709 new_min = srto->srto_min; 5710 else 5711 new_min = inp->sctp_ep.sctp_minrto; 5712 if ((new_min <= new_init) && (new_init <= new_max)) { 5713 inp->sctp_ep.initial_rto = new_init; 5714 inp->sctp_ep.sctp_maxrto = new_max; 5715 inp->sctp_ep.sctp_minrto = new_min; 5716 } else { 5717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5718 error = EINVAL; 5719 } 5720 SCTP_INP_WUNLOCK(inp); 5721 } else { 5722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5723 error = EINVAL; 5724 } 5725 } 5726 break; 5727 } 5728 case SCTP_ASSOCINFO: 5729 { 5730 struct sctp_assocparams *sasoc; 5731 5732 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5733 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5734 if (sasoc->sasoc_cookie_life) { 5735 /* boundary check the cookie life */ 5736 if (sasoc->sasoc_cookie_life < 1000) 5737 sasoc->sasoc_cookie_life = 1000; 5738 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5739 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5740 } 5741 } 5742 if (stcb) { 5743 if (sasoc->sasoc_asocmaxrxt) 5744 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5745 if (sasoc->sasoc_cookie_life) { 5746 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5747 } 5748 SCTP_TCB_UNLOCK(stcb); 5749 } else { 5750 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5751 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5752 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5753 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5754 SCTP_INP_WLOCK(inp); 5755 if (sasoc->sasoc_asocmaxrxt) 5756 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5757 if (sasoc->sasoc_cookie_life) { 5758 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5759 } 5760 SCTP_INP_WUNLOCK(inp); 5761 } else { 5762 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5763 error = EINVAL; 5764 } 5765 } 5766 break; 5767 } 5768 case SCTP_INITMSG: 5769 { 5770 struct sctp_initmsg *sinit; 5771 5772 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5773 SCTP_INP_WLOCK(inp); 5774 if (sinit->sinit_num_ostreams) 5775 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5776 5777 if (sinit->sinit_max_instreams) 5778 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5779 5780 if (sinit->sinit_max_attempts) 5781 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5782 5783 if (sinit->sinit_max_init_timeo) 5784 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5785 SCTP_INP_WUNLOCK(inp); 5786 break; 5787 } 5788 case SCTP_PRIMARY_ADDR: 5789 { 5790 struct sctp_setprim *spa; 5791 struct sctp_nets *net; 5792 struct sockaddr *addr; 5793 #if defined(INET) && defined(INET6) 5794 struct sockaddr_in sin_store; 5795 #endif 5796 5797 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5798 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5799 5800 #if defined(INET) && defined(INET6) 5801 if (spa->ssp_addr.ss_family == AF_INET6) { 5802 struct sockaddr_in6 *sin6; 5803 5804 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5805 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5806 in6_sin6_2_sin(&sin_store, sin6); 5807 addr = (struct sockaddr *)&sin_store; 5808 } else { 5809 addr = (struct sockaddr *)&spa->ssp_addr; 5810 } 5811 } else { 5812 addr = (struct sockaddr *)&spa->ssp_addr; 5813 } 5814 #else 5815 addr = (struct sockaddr *)&spa->ssp_addr; 5816 #endif 5817 if (stcb != NULL) { 5818 net = sctp_findnet(stcb, addr); 5819 } else { 5820 /* 5821 * We increment here since 5822 * sctp_findassociation_ep_addr() wil do a 5823 * decrement if it finds the stcb as long as 5824 * the locked tcb (last argument) is NOT a 5825 * TCB.. aka NULL. 5826 */ 5827 net = NULL; 5828 SCTP_INP_INCR_REF(inp); 5829 stcb = sctp_findassociation_ep_addr(&inp, addr, 5830 &net, NULL, NULL); 5831 if (stcb == NULL) { 5832 SCTP_INP_DECR_REF(inp); 5833 } 5834 } 5835 5836 if ((stcb != NULL) && (net != NULL)) { 5837 if (net != stcb->asoc.primary_destination) { 5838 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5839 /* Ok we need to set it */ 5840 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5841 if ((stcb->asoc.alternate) && 5842 (!(net->dest_state & SCTP_ADDR_PF)) && 5843 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5844 sctp_free_remote_addr(stcb->asoc.alternate); 5845 stcb->asoc.alternate = NULL; 5846 } 5847 } else { 5848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5849 error = EINVAL; 5850 } 5851 } else { 5852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5853 error = EINVAL; 5854 } 5855 } 5856 } else { 5857 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5858 error = EINVAL; 5859 } 5860 if (stcb != NULL) { 5861 SCTP_TCB_UNLOCK(stcb); 5862 } 5863 break; 5864 } 5865 case SCTP_SET_DYNAMIC_PRIMARY: 5866 { 5867 union sctp_sockstore *ss; 5868 5869 error = priv_check(curthread, 5870 PRIV_NETINET_RESERVEDPORT); 5871 if (error) 5872 break; 5873 5874 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5875 /* SUPER USER CHECK? */ 5876 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5877 break; 5878 } 5879 case SCTP_SET_PEER_PRIMARY_ADDR: 5880 { 5881 struct sctp_setpeerprim *sspp; 5882 struct sockaddr *addr; 5883 #if defined(INET) && defined(INET6) 5884 struct sockaddr_in sin_store; 5885 #endif 5886 5887 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5888 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5889 if (stcb != NULL) { 5890 struct sctp_ifa *ifa; 5891 5892 #if defined(INET) && defined(INET6) 5893 if (sspp->sspp_addr.ss_family == AF_INET6) { 5894 struct sockaddr_in6 *sin6; 5895 5896 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5897 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5898 in6_sin6_2_sin(&sin_store, sin6); 5899 addr = (struct sockaddr *)&sin_store; 5900 } else { 5901 addr = (struct sockaddr *)&sspp->sspp_addr; 5902 } 5903 } else { 5904 addr = (struct sockaddr *)&sspp->sspp_addr; 5905 } 5906 #else 5907 addr = (struct sockaddr *)&sspp->sspp_addr; 5908 #endif 5909 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5910 if (ifa == NULL) { 5911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5912 error = EINVAL; 5913 goto out_of_it; 5914 } 5915 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5916 /* 5917 * Must validate the ifa found is in 5918 * our ep 5919 */ 5920 struct sctp_laddr *laddr; 5921 int found = 0; 5922 5923 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5924 if (laddr->ifa == NULL) { 5925 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5926 __func__); 5927 continue; 5928 } 5929 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5930 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5931 continue; 5932 } 5933 if (laddr->ifa == ifa) { 5934 found = 1; 5935 break; 5936 } 5937 } 5938 if (!found) { 5939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5940 error = EINVAL; 5941 goto out_of_it; 5942 } 5943 } else { 5944 switch (addr->sa_family) { 5945 #ifdef INET 5946 case AF_INET: 5947 { 5948 struct sockaddr_in *sin; 5949 5950 sin = (struct sockaddr_in *)addr; 5951 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5952 &sin->sin_addr) != 0) { 5953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5954 error = EINVAL; 5955 goto out_of_it; 5956 } 5957 break; 5958 } 5959 #endif 5960 #ifdef INET6 5961 case AF_INET6: 5962 { 5963 struct sockaddr_in6 *sin6; 5964 5965 sin6 = (struct sockaddr_in6 *)addr; 5966 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5967 &sin6->sin6_addr) != 0) { 5968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5969 error = EINVAL; 5970 goto out_of_it; 5971 } 5972 break; 5973 } 5974 #endif 5975 default: 5976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5977 error = EINVAL; 5978 goto out_of_it; 5979 } 5980 } 5981 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5983 error = EINVAL; 5984 } 5985 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5986 out_of_it: 5987 SCTP_TCB_UNLOCK(stcb); 5988 } else { 5989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5990 error = EINVAL; 5991 } 5992 break; 5993 } 5994 case SCTP_BINDX_ADD_ADDR: 5995 { 5996 struct sockaddr *sa; 5997 struct thread *td; 5998 5999 td = (struct thread *)p; 6000 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 6001 #ifdef INET 6002 if (sa->sa_family == AF_INET) { 6003 if (optsize < sizeof(struct sockaddr_in)) { 6004 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6005 error = EINVAL; 6006 break; 6007 } 6008 if (td != NULL && 6009 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6010 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6011 break; 6012 } 6013 } else 6014 #endif 6015 #ifdef INET6 6016 if (sa->sa_family == AF_INET6) { 6017 if (optsize < sizeof(struct sockaddr_in6)) { 6018 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6019 error = EINVAL; 6020 break; 6021 } 6022 if (td != NULL && 6023 (error = prison_local_ip6(td->td_ucred, 6024 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6025 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6026 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6027 break; 6028 } 6029 } else 6030 #endif 6031 { 6032 error = EAFNOSUPPORT; 6033 break; 6034 } 6035 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 6036 break; 6037 } 6038 case SCTP_BINDX_REM_ADDR: 6039 { 6040 struct sockaddr *sa; 6041 struct thread *td; 6042 6043 td = (struct thread *)p; 6044 6045 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 6046 #ifdef INET 6047 if (sa->sa_family == AF_INET) { 6048 if (optsize < sizeof(struct sockaddr_in)) { 6049 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6050 error = EINVAL; 6051 break; 6052 } 6053 if (td != NULL && 6054 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6055 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6056 break; 6057 } 6058 } else 6059 #endif 6060 #ifdef INET6 6061 if (sa->sa_family == AF_INET6) { 6062 if (optsize < sizeof(struct sockaddr_in6)) { 6063 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6064 error = EINVAL; 6065 break; 6066 } 6067 if (td != NULL && 6068 (error = prison_local_ip6(td->td_ucred, 6069 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6070 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6071 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6072 break; 6073 } 6074 } else 6075 #endif 6076 { 6077 error = EAFNOSUPPORT; 6078 break; 6079 } 6080 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6081 break; 6082 } 6083 case SCTP_EVENT: 6084 { 6085 struct sctp_event *event; 6086 uint32_t event_type; 6087 6088 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6089 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6090 switch (event->se_type) { 6091 case SCTP_ASSOC_CHANGE: 6092 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6093 break; 6094 case SCTP_PEER_ADDR_CHANGE: 6095 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6096 break; 6097 case SCTP_REMOTE_ERROR: 6098 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6099 break; 6100 case SCTP_SEND_FAILED: 6101 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6102 break; 6103 case SCTP_SHUTDOWN_EVENT: 6104 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6105 break; 6106 case SCTP_ADAPTATION_INDICATION: 6107 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6108 break; 6109 case SCTP_PARTIAL_DELIVERY_EVENT: 6110 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6111 break; 6112 case SCTP_AUTHENTICATION_EVENT: 6113 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6114 break; 6115 case SCTP_STREAM_RESET_EVENT: 6116 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6117 break; 6118 case SCTP_SENDER_DRY_EVENT: 6119 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6120 break; 6121 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6122 event_type = 0; 6123 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6124 error = ENOTSUP; 6125 break; 6126 case SCTP_ASSOC_RESET_EVENT: 6127 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6128 break; 6129 case SCTP_STREAM_CHANGE_EVENT: 6130 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6131 break; 6132 case SCTP_SEND_FAILED_EVENT: 6133 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6134 break; 6135 default: 6136 event_type = 0; 6137 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6138 error = EINVAL; 6139 break; 6140 } 6141 if (event_type > 0) { 6142 if (stcb) { 6143 if (event->se_on) { 6144 sctp_stcb_feature_on(inp, stcb, event_type); 6145 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6146 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6147 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6148 (stcb->asoc.stream_queue_cnt == 0)) { 6149 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6150 } 6151 } 6152 } else { 6153 sctp_stcb_feature_off(inp, stcb, event_type); 6154 } 6155 SCTP_TCB_UNLOCK(stcb); 6156 } else { 6157 /* 6158 * We don't want to send up a storm 6159 * of events, so return an error for 6160 * sender dry events 6161 */ 6162 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6163 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6164 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6165 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6166 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6167 error = ENOTSUP; 6168 break; 6169 } 6170 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6171 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6172 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6173 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6174 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6175 SCTP_INP_WLOCK(inp); 6176 if (event->se_on) { 6177 sctp_feature_on(inp, event_type); 6178 } else { 6179 sctp_feature_off(inp, event_type); 6180 } 6181 SCTP_INP_WUNLOCK(inp); 6182 } 6183 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6184 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6185 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6186 SCTP_INP_RLOCK(inp); 6187 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6188 SCTP_TCB_LOCK(stcb); 6189 if (event->se_on) { 6190 sctp_stcb_feature_on(inp, stcb, event_type); 6191 } else { 6192 sctp_stcb_feature_off(inp, stcb, event_type); 6193 } 6194 SCTP_TCB_UNLOCK(stcb); 6195 } 6196 SCTP_INP_RUNLOCK(inp); 6197 } 6198 } 6199 } else { 6200 if (stcb) { 6201 SCTP_TCB_UNLOCK(stcb); 6202 } 6203 } 6204 break; 6205 } 6206 case SCTP_RECVRCVINFO: 6207 { 6208 int *onoff; 6209 6210 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6211 SCTP_INP_WLOCK(inp); 6212 if (*onoff != 0) { 6213 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6214 } else { 6215 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6216 } 6217 SCTP_INP_WUNLOCK(inp); 6218 break; 6219 } 6220 case SCTP_RECVNXTINFO: 6221 { 6222 int *onoff; 6223 6224 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6225 SCTP_INP_WLOCK(inp); 6226 if (*onoff != 0) { 6227 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6228 } else { 6229 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6230 } 6231 SCTP_INP_WUNLOCK(inp); 6232 break; 6233 } 6234 case SCTP_DEFAULT_SNDINFO: 6235 { 6236 struct sctp_sndinfo *info; 6237 uint16_t policy; 6238 6239 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6240 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6241 6242 if (stcb) { 6243 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6244 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6245 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6246 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6247 stcb->asoc.def_send.sinfo_flags |= policy; 6248 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6249 stcb->asoc.def_send.sinfo_context = info->snd_context; 6250 } else { 6251 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6252 error = EINVAL; 6253 } 6254 SCTP_TCB_UNLOCK(stcb); 6255 } else { 6256 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6257 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6258 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6259 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6260 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6261 SCTP_INP_WLOCK(inp); 6262 inp->def_send.sinfo_stream = info->snd_sid; 6263 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6264 inp->def_send.sinfo_flags = info->snd_flags; 6265 inp->def_send.sinfo_flags |= policy; 6266 inp->def_send.sinfo_ppid = info->snd_ppid; 6267 inp->def_send.sinfo_context = info->snd_context; 6268 SCTP_INP_WUNLOCK(inp); 6269 } 6270 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6271 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6272 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6273 SCTP_INP_RLOCK(inp); 6274 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6275 SCTP_TCB_LOCK(stcb); 6276 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6277 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6278 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6279 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6280 stcb->asoc.def_send.sinfo_flags |= policy; 6281 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6282 stcb->asoc.def_send.sinfo_context = info->snd_context; 6283 } 6284 SCTP_TCB_UNLOCK(stcb); 6285 } 6286 SCTP_INP_RUNLOCK(inp); 6287 } 6288 } 6289 break; 6290 } 6291 case SCTP_DEFAULT_PRINFO: 6292 { 6293 struct sctp_default_prinfo *info; 6294 6295 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6296 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6297 6298 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6299 if (stcb) { 6300 SCTP_TCB_UNLOCK(stcb); 6301 } 6302 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6303 error = EINVAL; 6304 break; 6305 } 6306 if (stcb) { 6307 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6308 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6309 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6310 SCTP_TCB_UNLOCK(stcb); 6311 } else { 6312 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6313 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6314 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6315 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6316 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6317 SCTP_INP_WLOCK(inp); 6318 inp->def_send.sinfo_flags &= 0xfff0; 6319 inp->def_send.sinfo_flags |= info->pr_policy; 6320 inp->def_send.sinfo_timetolive = info->pr_value; 6321 SCTP_INP_WUNLOCK(inp); 6322 } 6323 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6324 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6325 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6326 SCTP_INP_RLOCK(inp); 6327 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6328 SCTP_TCB_LOCK(stcb); 6329 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6330 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6331 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6332 SCTP_TCB_UNLOCK(stcb); 6333 } 6334 SCTP_INP_RUNLOCK(inp); 6335 } 6336 } 6337 break; 6338 } 6339 case SCTP_PEER_ADDR_THLDS: 6340 /* Applies to the specific association */ 6341 { 6342 struct sctp_paddrthlds *thlds; 6343 struct sctp_nets *net; 6344 struct sockaddr *addr; 6345 #if defined(INET) && defined(INET6) 6346 struct sockaddr_in sin_store; 6347 #endif 6348 6349 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6350 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6351 6352 #if defined(INET) && defined(INET6) 6353 if (thlds->spt_address.ss_family == AF_INET6) { 6354 struct sockaddr_in6 *sin6; 6355 6356 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6357 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6358 in6_sin6_2_sin(&sin_store, sin6); 6359 addr = (struct sockaddr *)&sin_store; 6360 } else { 6361 addr = (struct sockaddr *)&thlds->spt_address; 6362 } 6363 } else { 6364 addr = (struct sockaddr *)&thlds->spt_address; 6365 } 6366 #else 6367 addr = (struct sockaddr *)&thlds->spt_address; 6368 #endif 6369 if (stcb != NULL) { 6370 net = sctp_findnet(stcb, addr); 6371 } else { 6372 /* 6373 * We increment here since 6374 * sctp_findassociation_ep_addr() wil do a 6375 * decrement if it finds the stcb as long as 6376 * the locked tcb (last argument) is NOT a 6377 * TCB.. aka NULL. 6378 */ 6379 net = NULL; 6380 SCTP_INP_INCR_REF(inp); 6381 stcb = sctp_findassociation_ep_addr(&inp, addr, 6382 &net, NULL, NULL); 6383 if (stcb == NULL) { 6384 SCTP_INP_DECR_REF(inp); 6385 } 6386 } 6387 if ((stcb != NULL) && (net == NULL)) { 6388 #ifdef INET 6389 if (addr->sa_family == AF_INET) { 6390 6391 struct sockaddr_in *sin; 6392 6393 sin = (struct sockaddr_in *)addr; 6394 if (sin->sin_addr.s_addr != INADDR_ANY) { 6395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6396 SCTP_TCB_UNLOCK(stcb); 6397 error = EINVAL; 6398 break; 6399 } 6400 } else 6401 #endif 6402 #ifdef INET6 6403 if (addr->sa_family == AF_INET6) { 6404 struct sockaddr_in6 *sin6; 6405 6406 sin6 = (struct sockaddr_in6 *)addr; 6407 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6409 SCTP_TCB_UNLOCK(stcb); 6410 error = EINVAL; 6411 break; 6412 } 6413 } else 6414 #endif 6415 { 6416 error = EAFNOSUPPORT; 6417 SCTP_TCB_UNLOCK(stcb); 6418 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6419 break; 6420 } 6421 } 6422 if (thlds->spt_pathcpthld != 0xffff) { 6423 if (stcb != NULL) { 6424 SCTP_TCB_UNLOCK(stcb); 6425 } 6426 error = EINVAL; 6427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6428 break; 6429 } 6430 if (stcb != NULL) { 6431 if (net != NULL) { 6432 net->failure_threshold = thlds->spt_pathmaxrxt; 6433 net->pf_threshold = thlds->spt_pathpfthld; 6434 if (net->dest_state & SCTP_ADDR_PF) { 6435 if ((net->error_count > net->failure_threshold) || 6436 (net->error_count <= net->pf_threshold)) { 6437 net->dest_state &= ~SCTP_ADDR_PF; 6438 } 6439 } else { 6440 if ((net->error_count > net->pf_threshold) && 6441 (net->error_count <= net->failure_threshold)) { 6442 net->dest_state |= SCTP_ADDR_PF; 6443 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6444 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6445 stcb->sctp_ep, stcb, net, 6446 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6447 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6448 } 6449 } 6450 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6451 if (net->error_count > net->failure_threshold) { 6452 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6453 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6454 } 6455 } else { 6456 if (net->error_count <= net->failure_threshold) { 6457 net->dest_state |= SCTP_ADDR_REACHABLE; 6458 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6459 } 6460 } 6461 } else { 6462 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6463 net->failure_threshold = thlds->spt_pathmaxrxt; 6464 net->pf_threshold = thlds->spt_pathpfthld; 6465 if (net->dest_state & SCTP_ADDR_PF) { 6466 if ((net->error_count > net->failure_threshold) || 6467 (net->error_count <= net->pf_threshold)) { 6468 net->dest_state &= ~SCTP_ADDR_PF; 6469 } 6470 } else { 6471 if ((net->error_count > net->pf_threshold) && 6472 (net->error_count <= net->failure_threshold)) { 6473 net->dest_state |= SCTP_ADDR_PF; 6474 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6475 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6476 stcb->sctp_ep, stcb, net, 6477 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6478 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6479 } 6480 } 6481 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6482 if (net->error_count > net->failure_threshold) { 6483 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6484 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6485 } 6486 } else { 6487 if (net->error_count <= net->failure_threshold) { 6488 net->dest_state |= SCTP_ADDR_REACHABLE; 6489 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6490 } 6491 } 6492 } 6493 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6494 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6495 } 6496 SCTP_TCB_UNLOCK(stcb); 6497 } else { 6498 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6499 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6500 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6501 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6502 SCTP_INP_WLOCK(inp); 6503 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6504 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6505 SCTP_INP_WUNLOCK(inp); 6506 } else { 6507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6508 error = EINVAL; 6509 } 6510 } 6511 break; 6512 } 6513 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6514 { 6515 struct sctp_udpencaps *encaps; 6516 struct sctp_nets *net; 6517 struct sockaddr *addr; 6518 #if defined(INET) && defined(INET6) 6519 struct sockaddr_in sin_store; 6520 #endif 6521 6522 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6523 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6524 6525 #if defined(INET) && defined(INET6) 6526 if (encaps->sue_address.ss_family == AF_INET6) { 6527 struct sockaddr_in6 *sin6; 6528 6529 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6530 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6531 in6_sin6_2_sin(&sin_store, sin6); 6532 addr = (struct sockaddr *)&sin_store; 6533 } else { 6534 addr = (struct sockaddr *)&encaps->sue_address; 6535 } 6536 } else { 6537 addr = (struct sockaddr *)&encaps->sue_address; 6538 } 6539 #else 6540 addr = (struct sockaddr *)&encaps->sue_address; 6541 #endif 6542 if (stcb != NULL) { 6543 net = sctp_findnet(stcb, addr); 6544 } else { 6545 /* 6546 * We increment here since 6547 * sctp_findassociation_ep_addr() wil do a 6548 * decrement if it finds the stcb as long as 6549 * the locked tcb (last argument) is NOT a 6550 * TCB.. aka NULL. 6551 */ 6552 net = NULL; 6553 SCTP_INP_INCR_REF(inp); 6554 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6555 if (stcb == NULL) { 6556 SCTP_INP_DECR_REF(inp); 6557 } 6558 } 6559 if ((stcb != NULL) && (net == NULL)) { 6560 #ifdef INET 6561 if (addr->sa_family == AF_INET) { 6562 6563 struct sockaddr_in *sin; 6564 6565 sin = (struct sockaddr_in *)addr; 6566 if (sin->sin_addr.s_addr != INADDR_ANY) { 6567 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6568 SCTP_TCB_UNLOCK(stcb); 6569 error = EINVAL; 6570 break; 6571 } 6572 } else 6573 #endif 6574 #ifdef INET6 6575 if (addr->sa_family == AF_INET6) { 6576 struct sockaddr_in6 *sin6; 6577 6578 sin6 = (struct sockaddr_in6 *)addr; 6579 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6580 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6581 SCTP_TCB_UNLOCK(stcb); 6582 error = EINVAL; 6583 break; 6584 } 6585 } else 6586 #endif 6587 { 6588 error = EAFNOSUPPORT; 6589 SCTP_TCB_UNLOCK(stcb); 6590 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6591 break; 6592 } 6593 } 6594 6595 if (stcb != NULL) { 6596 if (net != NULL) { 6597 net->port = encaps->sue_port; 6598 } else { 6599 stcb->asoc.port = encaps->sue_port; 6600 } 6601 SCTP_TCB_UNLOCK(stcb); 6602 } else { 6603 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6604 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6605 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6606 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6607 SCTP_INP_WLOCK(inp); 6608 inp->sctp_ep.port = encaps->sue_port; 6609 SCTP_INP_WUNLOCK(inp); 6610 } else { 6611 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6612 error = EINVAL; 6613 } 6614 } 6615 break; 6616 } 6617 case SCTP_ECN_SUPPORTED: 6618 { 6619 struct sctp_assoc_value *av; 6620 6621 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6622 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6623 6624 if (stcb) { 6625 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6626 error = EINVAL; 6627 SCTP_TCB_UNLOCK(stcb); 6628 } else { 6629 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6630 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6631 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6632 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6633 SCTP_INP_WLOCK(inp); 6634 if (av->assoc_value == 0) { 6635 inp->ecn_supported = 0; 6636 } else { 6637 inp->ecn_supported = 1; 6638 } 6639 SCTP_INP_WUNLOCK(inp); 6640 } else { 6641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6642 error = EINVAL; 6643 } 6644 } 6645 break; 6646 } 6647 case SCTP_PR_SUPPORTED: 6648 { 6649 struct sctp_assoc_value *av; 6650 6651 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6652 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6653 6654 if (stcb) { 6655 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6656 error = EINVAL; 6657 SCTP_TCB_UNLOCK(stcb); 6658 } else { 6659 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6660 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6661 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6662 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6663 SCTP_INP_WLOCK(inp); 6664 if (av->assoc_value == 0) { 6665 inp->prsctp_supported = 0; 6666 } else { 6667 inp->prsctp_supported = 1; 6668 } 6669 SCTP_INP_WUNLOCK(inp); 6670 } else { 6671 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6672 error = EINVAL; 6673 } 6674 } 6675 break; 6676 } 6677 case SCTP_AUTH_SUPPORTED: 6678 { 6679 struct sctp_assoc_value *av; 6680 6681 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6682 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6683 6684 if (stcb) { 6685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6686 error = EINVAL; 6687 SCTP_TCB_UNLOCK(stcb); 6688 } else { 6689 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6690 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6691 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6692 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6693 if ((av->assoc_value == 0) && 6694 (inp->asconf_supported == 1)) { 6695 /* 6696 * AUTH is required for 6697 * ASCONF 6698 */ 6699 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6700 error = EINVAL; 6701 } else { 6702 SCTP_INP_WLOCK(inp); 6703 if (av->assoc_value == 0) { 6704 inp->auth_supported = 0; 6705 } else { 6706 inp->auth_supported = 1; 6707 } 6708 SCTP_INP_WUNLOCK(inp); 6709 } 6710 } else { 6711 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6712 error = EINVAL; 6713 } 6714 } 6715 break; 6716 } 6717 case SCTP_ASCONF_SUPPORTED: 6718 { 6719 struct sctp_assoc_value *av; 6720 6721 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6722 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6723 6724 if (stcb) { 6725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6726 error = EINVAL; 6727 SCTP_TCB_UNLOCK(stcb); 6728 } else { 6729 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6730 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6731 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6732 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6733 if ((av->assoc_value != 0) && 6734 (inp->auth_supported == 0)) { 6735 /* 6736 * AUTH is required for 6737 * ASCONF 6738 */ 6739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6740 error = EINVAL; 6741 } else { 6742 SCTP_INP_WLOCK(inp); 6743 if (av->assoc_value == 0) { 6744 inp->asconf_supported = 0; 6745 sctp_auth_delete_chunk(SCTP_ASCONF, 6746 inp->sctp_ep.local_auth_chunks); 6747 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6748 inp->sctp_ep.local_auth_chunks); 6749 } else { 6750 inp->asconf_supported = 1; 6751 sctp_auth_add_chunk(SCTP_ASCONF, 6752 inp->sctp_ep.local_auth_chunks); 6753 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6754 inp->sctp_ep.local_auth_chunks); 6755 } 6756 SCTP_INP_WUNLOCK(inp); 6757 } 6758 } else { 6759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6760 error = EINVAL; 6761 } 6762 } 6763 break; 6764 } 6765 case SCTP_RECONFIG_SUPPORTED: 6766 { 6767 struct sctp_assoc_value *av; 6768 6769 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6770 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6771 6772 if (stcb) { 6773 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6774 error = EINVAL; 6775 SCTP_TCB_UNLOCK(stcb); 6776 } else { 6777 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6778 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6779 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6780 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6781 SCTP_INP_WLOCK(inp); 6782 if (av->assoc_value == 0) { 6783 inp->reconfig_supported = 0; 6784 } else { 6785 inp->reconfig_supported = 1; 6786 } 6787 SCTP_INP_WUNLOCK(inp); 6788 } else { 6789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6790 error = EINVAL; 6791 } 6792 } 6793 break; 6794 } 6795 case SCTP_NRSACK_SUPPORTED: 6796 { 6797 struct sctp_assoc_value *av; 6798 6799 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6800 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6801 6802 if (stcb) { 6803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6804 error = EINVAL; 6805 SCTP_TCB_UNLOCK(stcb); 6806 } else { 6807 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6808 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6809 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6810 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6811 SCTP_INP_WLOCK(inp); 6812 if (av->assoc_value == 0) { 6813 inp->nrsack_supported = 0; 6814 } else { 6815 inp->nrsack_supported = 1; 6816 } 6817 SCTP_INP_WUNLOCK(inp); 6818 } else { 6819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6820 error = EINVAL; 6821 } 6822 } 6823 break; 6824 } 6825 case SCTP_PKTDROP_SUPPORTED: 6826 { 6827 struct sctp_assoc_value *av; 6828 6829 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6830 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6831 6832 if (stcb) { 6833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6834 error = EINVAL; 6835 SCTP_TCB_UNLOCK(stcb); 6836 } else { 6837 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6838 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6839 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6840 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6841 SCTP_INP_WLOCK(inp); 6842 if (av->assoc_value == 0) { 6843 inp->pktdrop_supported = 0; 6844 } else { 6845 inp->pktdrop_supported = 1; 6846 } 6847 SCTP_INP_WUNLOCK(inp); 6848 } else { 6849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6850 error = EINVAL; 6851 } 6852 } 6853 break; 6854 } 6855 case SCTP_MAX_CWND: 6856 { 6857 struct sctp_assoc_value *av; 6858 struct sctp_nets *net; 6859 6860 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6861 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6862 6863 if (stcb) { 6864 stcb->asoc.max_cwnd = av->assoc_value; 6865 if (stcb->asoc.max_cwnd > 0) { 6866 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6867 if ((net->cwnd > stcb->asoc.max_cwnd) && 6868 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6869 net->cwnd = stcb->asoc.max_cwnd; 6870 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6871 net->cwnd = net->mtu - sizeof(struct sctphdr); 6872 } 6873 } 6874 } 6875 } 6876 SCTP_TCB_UNLOCK(stcb); 6877 } else { 6878 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6879 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6880 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6881 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6882 SCTP_INP_WLOCK(inp); 6883 inp->max_cwnd = av->assoc_value; 6884 SCTP_INP_WUNLOCK(inp); 6885 } else { 6886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6887 error = EINVAL; 6888 } 6889 } 6890 break; 6891 } 6892 default: 6893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6894 error = ENOPROTOOPT; 6895 break; 6896 } /* end switch (opt) */ 6897 return (error); 6898 } 6899 6900 int 6901 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6902 { 6903 struct epoch_tracker et; 6904 struct sctp_inpcb *inp; 6905 void *optval = NULL; 6906 void *p; 6907 size_t optsize = 0; 6908 int error = 0; 6909 6910 if ((sopt->sopt_level == SOL_SOCKET) && 6911 (sopt->sopt_name == SO_SETFIB)) { 6912 inp = (struct sctp_inpcb *)so->so_pcb; 6913 if (inp == NULL) { 6914 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6915 return (EINVAL); 6916 } 6917 SCTP_INP_WLOCK(inp); 6918 inp->fibnum = so->so_fibnum; 6919 SCTP_INP_WUNLOCK(inp); 6920 return (0); 6921 } 6922 if (sopt->sopt_level != IPPROTO_SCTP) { 6923 /* wrong proto level... send back up to IP */ 6924 #ifdef INET6 6925 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6926 error = ip6_ctloutput(so, sopt); 6927 #endif /* INET6 */ 6928 #if defined(INET) && defined(INET6) 6929 else 6930 #endif 6931 #ifdef INET 6932 error = ip_ctloutput(so, sopt); 6933 #endif 6934 return (error); 6935 } 6936 optsize = sopt->sopt_valsize; 6937 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6938 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6939 return (ENOBUFS); 6940 } 6941 if (optsize) { 6942 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6943 if (optval == NULL) { 6944 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6945 return (ENOBUFS); 6946 } 6947 error = sooptcopyin(sopt, optval, optsize, optsize); 6948 if (error) { 6949 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6950 goto out; 6951 } 6952 } 6953 p = (void *)sopt->sopt_td; 6954 if (sopt->sopt_dir == SOPT_SET) { 6955 NET_EPOCH_ENTER(et); 6956 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6957 NET_EPOCH_EXIT(et); 6958 } else if (sopt->sopt_dir == SOPT_GET) { 6959 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6960 } else { 6961 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6962 error = EINVAL; 6963 } 6964 if ((error == 0) && (optval != NULL)) { 6965 error = sooptcopyout(sopt, optval, optsize); 6966 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6967 } else if (optval != NULL) { 6968 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6969 } 6970 out: 6971 return (error); 6972 } 6973 6974 #ifdef INET 6975 static int 6976 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6977 { 6978 struct epoch_tracker et; 6979 int error = 0; 6980 int create_lock_on = 0; 6981 uint32_t vrf_id; 6982 struct sctp_inpcb *inp; 6983 struct sctp_tcb *stcb = NULL; 6984 6985 inp = (struct sctp_inpcb *)so->so_pcb; 6986 if (inp == NULL) { 6987 /* I made the same as TCP since we are not setup? */ 6988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6989 return (ECONNRESET); 6990 } 6991 if (addr == NULL) { 6992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6993 return EINVAL; 6994 } 6995 6996 switch (addr->sa_family) { 6997 #ifdef INET6 6998 case AF_INET6: 6999 { 7000 struct sockaddr_in6 *sin6; 7001 7002 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 7003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7004 return (EINVAL); 7005 } 7006 sin6 = (struct sockaddr_in6 *)addr; 7007 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 7008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7009 return (error); 7010 } 7011 break; 7012 } 7013 #endif 7014 #ifdef INET 7015 case AF_INET: 7016 { 7017 struct sockaddr_in *sin; 7018 7019 if (addr->sa_len != sizeof(struct sockaddr_in)) { 7020 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7021 return (EINVAL); 7022 } 7023 sin = (struct sockaddr_in *)addr; 7024 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 7025 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7026 return (error); 7027 } 7028 break; 7029 } 7030 #endif 7031 default: 7032 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 7033 return (EAFNOSUPPORT); 7034 } 7035 SCTP_INP_INCR_REF(inp); 7036 SCTP_ASOC_CREATE_LOCK(inp); 7037 create_lock_on = 1; 7038 NET_EPOCH_ENTER(et); 7039 7040 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 7041 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 7042 /* Should I really unlock ? */ 7043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 7044 error = EFAULT; 7045 goto out_now; 7046 } 7047 #ifdef INET6 7048 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 7049 (addr->sa_family == AF_INET6)) { 7050 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7051 error = EINVAL; 7052 goto out_now; 7053 } 7054 #endif 7055 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 7056 SCTP_PCB_FLAGS_UNBOUND) { 7057 /* Bind a ephemeral port */ 7058 error = sctp_inpcb_bind(so, NULL, NULL, p); 7059 if (error) { 7060 goto out_now; 7061 } 7062 } 7063 /* Now do we connect? */ 7064 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7065 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7067 error = EINVAL; 7068 goto out_now; 7069 } 7070 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7071 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7072 /* We are already connected AND the TCP model */ 7073 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7074 error = EADDRINUSE; 7075 goto out_now; 7076 } 7077 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7078 SCTP_INP_RLOCK(inp); 7079 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7080 SCTP_INP_RUNLOCK(inp); 7081 } else { 7082 /* 7083 * We increment here since sctp_findassociation_ep_addr() 7084 * will do a decrement if it finds the stcb as long as the 7085 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7086 */ 7087 SCTP_INP_INCR_REF(inp); 7088 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7089 if (stcb == NULL) { 7090 SCTP_INP_DECR_REF(inp); 7091 } else { 7092 SCTP_TCB_UNLOCK(stcb); 7093 } 7094 } 7095 if (stcb != NULL) { 7096 /* Already have or am bring up an association */ 7097 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7098 error = EALREADY; 7099 goto out_now; 7100 } 7101 7102 vrf_id = inp->def_vrf_id; 7103 /* We are GOOD to go */ 7104 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7105 inp->sctp_ep.pre_open_stream_count, 7106 inp->sctp_ep.port, p, 7107 SCTP_INITIALIZE_AUTH_PARAMS); 7108 if (stcb == NULL) { 7109 /* Gak! no memory */ 7110 goto out_now; 7111 } 7112 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7113 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7114 /* Set the connected flag so we can queue data */ 7115 soisconnecting(so); 7116 } 7117 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7118 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7119 7120 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7121 SCTP_TCB_UNLOCK(stcb); 7122 out_now: 7123 NET_EPOCH_EXIT(et); 7124 if (create_lock_on) { 7125 SCTP_ASOC_CREATE_UNLOCK(inp); 7126 } 7127 SCTP_INP_DECR_REF(inp); 7128 return (error); 7129 } 7130 #endif 7131 7132 int 7133 sctp_listen(struct socket *so, int backlog, struct thread *p) 7134 { 7135 /* 7136 * Note this module depends on the protocol processing being called 7137 * AFTER any socket level flags and backlog are applied to the 7138 * socket. The traditional way that the socket flags are applied is 7139 * AFTER protocol processing. We have made a change to the 7140 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7141 * place if the socket API for SCTP is to work properly. 7142 */ 7143 7144 int error = 0; 7145 struct sctp_inpcb *inp; 7146 7147 inp = (struct sctp_inpcb *)so->so_pcb; 7148 if (inp == NULL) { 7149 /* I made the same as TCP since we are not setup? */ 7150 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7151 return (ECONNRESET); 7152 } 7153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7154 /* See if we have a listener */ 7155 struct sctp_inpcb *tinp; 7156 union sctp_sockstore store; 7157 7158 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7159 /* not bound all */ 7160 struct sctp_laddr *laddr; 7161 7162 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7163 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7164 switch (store.sa.sa_family) { 7165 #ifdef INET 7166 case AF_INET: 7167 store.sin.sin_port = inp->sctp_lport; 7168 break; 7169 #endif 7170 #ifdef INET6 7171 case AF_INET6: 7172 store.sin6.sin6_port = inp->sctp_lport; 7173 break; 7174 #endif 7175 default: 7176 break; 7177 } 7178 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7179 if (tinp && (tinp != inp) && 7180 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7181 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7182 (SCTP_IS_LISTENING(tinp))) { 7183 /* 7184 * we have a listener already and 7185 * its not this inp. 7186 */ 7187 SCTP_INP_DECR_REF(tinp); 7188 return (EADDRINUSE); 7189 } else if (tinp) { 7190 SCTP_INP_DECR_REF(tinp); 7191 } 7192 } 7193 } else { 7194 /* Setup a local addr bound all */ 7195 memset(&store, 0, sizeof(store)); 7196 #ifdef INET6 7197 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7198 store.sa.sa_family = AF_INET6; 7199 store.sa.sa_len = sizeof(struct sockaddr_in6); 7200 } 7201 #endif 7202 #ifdef INET 7203 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7204 store.sa.sa_family = AF_INET; 7205 store.sa.sa_len = sizeof(struct sockaddr_in); 7206 } 7207 #endif 7208 switch (store.sa.sa_family) { 7209 #ifdef INET 7210 case AF_INET: 7211 store.sin.sin_port = inp->sctp_lport; 7212 break; 7213 #endif 7214 #ifdef INET6 7215 case AF_INET6: 7216 store.sin6.sin6_port = inp->sctp_lport; 7217 break; 7218 #endif 7219 default: 7220 break; 7221 } 7222 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7223 if (tinp && (tinp != inp) && 7224 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7225 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7226 (SCTP_IS_LISTENING(tinp))) { 7227 /* 7228 * we have a listener already and its not 7229 * this inp. 7230 */ 7231 SCTP_INP_DECR_REF(tinp); 7232 return (EADDRINUSE); 7233 } else if (tinp) { 7234 SCTP_INP_DECR_REF(tinp); 7235 } 7236 } 7237 } 7238 SCTP_INP_RLOCK(inp); 7239 #ifdef SCTP_LOCK_LOGGING 7240 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7241 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7242 } 7243 #endif 7244 SOCK_LOCK(so); 7245 error = solisten_proto_check(so); 7246 SOCK_UNLOCK(so); 7247 if (error) { 7248 SCTP_INP_RUNLOCK(inp); 7249 return (error); 7250 } 7251 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7252 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7253 /* 7254 * The unlucky case - We are in the tcp pool with this guy. 7255 * - Someone else is in the main inp slot. - We must move 7256 * this guy (the listener) to the main slot - We must then 7257 * move the guy that was listener to the TCP Pool. 7258 */ 7259 if (sctp_swap_inpcb_for_listen(inp)) { 7260 SCTP_INP_RUNLOCK(inp); 7261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7262 return (EADDRINUSE); 7263 } 7264 } 7265 7266 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7267 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7268 /* We are already connected AND the TCP model */ 7269 SCTP_INP_RUNLOCK(inp); 7270 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7271 return (EADDRINUSE); 7272 } 7273 SCTP_INP_RUNLOCK(inp); 7274 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7275 /* We must do a bind. */ 7276 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7277 /* bind error, probably perm */ 7278 return (error); 7279 } 7280 } 7281 SCTP_INP_WLOCK(inp); 7282 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7283 SOCK_LOCK(so); 7284 solisten_proto(so, backlog); 7285 SOCK_UNLOCK(so); 7286 } 7287 if (backlog > 0) { 7288 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7289 } else { 7290 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7291 } 7292 SCTP_INP_WUNLOCK(inp); 7293 return (error); 7294 } 7295 7296 static int sctp_defered_wakeup_cnt = 0; 7297 7298 int 7299 sctp_accept(struct socket *so, struct sockaddr **addr) 7300 { 7301 struct sctp_tcb *stcb; 7302 struct sctp_inpcb *inp; 7303 union sctp_sockstore store; 7304 #ifdef INET6 7305 int error; 7306 #endif 7307 inp = (struct sctp_inpcb *)so->so_pcb; 7308 7309 if (inp == NULL) { 7310 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7311 return (ECONNRESET); 7312 } 7313 SCTP_INP_WLOCK(inp); 7314 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7315 SCTP_INP_WUNLOCK(inp); 7316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7317 return (EOPNOTSUPP); 7318 } 7319 if (so->so_state & SS_ISDISCONNECTED) { 7320 SCTP_INP_WUNLOCK(inp); 7321 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7322 return (ECONNABORTED); 7323 } 7324 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7325 if (stcb == NULL) { 7326 SCTP_INP_WUNLOCK(inp); 7327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7328 return (ECONNRESET); 7329 } 7330 SCTP_TCB_LOCK(stcb); 7331 store = stcb->asoc.primary_destination->ro._l_addr; 7332 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7333 /* Wake any delayed sleep action */ 7334 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7335 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7336 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7337 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7338 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7339 if (sowriteable(inp->sctp_socket)) { 7340 sowwakeup_locked(inp->sctp_socket); 7341 } else { 7342 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7343 } 7344 } 7345 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7346 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7347 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7348 if (soreadable(inp->sctp_socket)) { 7349 sctp_defered_wakeup_cnt++; 7350 sorwakeup_locked(inp->sctp_socket); 7351 } else { 7352 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7353 } 7354 } 7355 } 7356 SCTP_INP_WUNLOCK(inp); 7357 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7358 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7359 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7360 } else { 7361 SCTP_TCB_UNLOCK(stcb); 7362 } 7363 switch (store.sa.sa_family) { 7364 #ifdef INET 7365 case AF_INET: 7366 { 7367 struct sockaddr_in *sin; 7368 7369 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7370 if (sin == NULL) 7371 return (ENOMEM); 7372 sin->sin_family = AF_INET; 7373 sin->sin_len = sizeof(*sin); 7374 sin->sin_port = store.sin.sin_port; 7375 sin->sin_addr = store.sin.sin_addr; 7376 *addr = (struct sockaddr *)sin; 7377 break; 7378 } 7379 #endif 7380 #ifdef INET6 7381 case AF_INET6: 7382 { 7383 struct sockaddr_in6 *sin6; 7384 7385 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7386 if (sin6 == NULL) 7387 return (ENOMEM); 7388 sin6->sin6_family = AF_INET6; 7389 sin6->sin6_len = sizeof(*sin6); 7390 sin6->sin6_port = store.sin6.sin6_port; 7391 sin6->sin6_addr = store.sin6.sin6_addr; 7392 if ((error = sa6_recoverscope(sin6)) != 0) { 7393 SCTP_FREE_SONAME(sin6); 7394 return (error); 7395 } 7396 *addr = (struct sockaddr *)sin6; 7397 break; 7398 } 7399 #endif 7400 default: 7401 /* TSNH */ 7402 break; 7403 } 7404 return (0); 7405 } 7406 7407 #ifdef INET 7408 int 7409 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7410 { 7411 struct sockaddr_in *sin; 7412 uint32_t vrf_id; 7413 struct sctp_inpcb *inp; 7414 struct sctp_ifa *sctp_ifa; 7415 7416 /* 7417 * Do the malloc first in case it blocks. 7418 */ 7419 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7420 if (sin == NULL) 7421 return (ENOMEM); 7422 sin->sin_family = AF_INET; 7423 sin->sin_len = sizeof(*sin); 7424 inp = (struct sctp_inpcb *)so->so_pcb; 7425 if (!inp) { 7426 SCTP_FREE_SONAME(sin); 7427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7428 return (ECONNRESET); 7429 } 7430 SCTP_INP_RLOCK(inp); 7431 sin->sin_port = inp->sctp_lport; 7432 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7433 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7434 struct sctp_tcb *stcb; 7435 struct sockaddr_in *sin_a; 7436 struct sctp_nets *net; 7437 int fnd; 7438 7439 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7440 if (stcb == NULL) { 7441 goto notConn; 7442 } 7443 fnd = 0; 7444 sin_a = NULL; 7445 SCTP_TCB_LOCK(stcb); 7446 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7447 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7448 if (sin_a == NULL) 7449 /* this will make coverity happy */ 7450 continue; 7451 7452 if (sin_a->sin_family == AF_INET) { 7453 fnd = 1; 7454 break; 7455 } 7456 } 7457 if ((!fnd) || (sin_a == NULL)) { 7458 /* punt */ 7459 SCTP_TCB_UNLOCK(stcb); 7460 goto notConn; 7461 } 7462 7463 vrf_id = inp->def_vrf_id; 7464 sctp_ifa = sctp_source_address_selection(inp, 7465 stcb, 7466 (sctp_route_t *)&net->ro, 7467 net, 0, vrf_id); 7468 if (sctp_ifa) { 7469 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7470 sctp_free_ifa(sctp_ifa); 7471 } 7472 SCTP_TCB_UNLOCK(stcb); 7473 } else { 7474 /* For the bound all case you get back 0 */ 7475 notConn: 7476 sin->sin_addr.s_addr = 0; 7477 } 7478 7479 } else { 7480 /* Take the first IPv4 address in the list */ 7481 struct sctp_laddr *laddr; 7482 int fnd = 0; 7483 7484 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7485 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7486 struct sockaddr_in *sin_a; 7487 7488 sin_a = &laddr->ifa->address.sin; 7489 sin->sin_addr = sin_a->sin_addr; 7490 fnd = 1; 7491 break; 7492 } 7493 } 7494 if (!fnd) { 7495 SCTP_FREE_SONAME(sin); 7496 SCTP_INP_RUNLOCK(inp); 7497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7498 return (ENOENT); 7499 } 7500 } 7501 SCTP_INP_RUNLOCK(inp); 7502 (*addr) = (struct sockaddr *)sin; 7503 return (0); 7504 } 7505 7506 int 7507 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7508 { 7509 struct sockaddr_in *sin; 7510 int fnd; 7511 struct sockaddr_in *sin_a; 7512 struct sctp_inpcb *inp; 7513 struct sctp_tcb *stcb; 7514 struct sctp_nets *net; 7515 7516 /* Do the malloc first in case it blocks. */ 7517 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7518 if (sin == NULL) 7519 return (ENOMEM); 7520 sin->sin_family = AF_INET; 7521 sin->sin_len = sizeof(*sin); 7522 7523 inp = (struct sctp_inpcb *)so->so_pcb; 7524 if ((inp == NULL) || 7525 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7526 /* UDP type and listeners will drop out here */ 7527 SCTP_FREE_SONAME(sin); 7528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7529 return (ENOTCONN); 7530 } 7531 SCTP_INP_RLOCK(inp); 7532 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7533 if (stcb) { 7534 SCTP_TCB_LOCK(stcb); 7535 } 7536 SCTP_INP_RUNLOCK(inp); 7537 if (stcb == NULL) { 7538 SCTP_FREE_SONAME(sin); 7539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7540 return (ECONNRESET); 7541 } 7542 fnd = 0; 7543 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7544 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7545 if (sin_a->sin_family == AF_INET) { 7546 fnd = 1; 7547 sin->sin_port = stcb->rport; 7548 sin->sin_addr = sin_a->sin_addr; 7549 break; 7550 } 7551 } 7552 SCTP_TCB_UNLOCK(stcb); 7553 if (!fnd) { 7554 /* No IPv4 address */ 7555 SCTP_FREE_SONAME(sin); 7556 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7557 return (ENOENT); 7558 } 7559 (*addr) = (struct sockaddr *)sin; 7560 return (0); 7561 } 7562 7563 struct pr_usrreqs sctp_usrreqs = { 7564 .pru_abort = sctp_abort, 7565 .pru_accept = sctp_accept, 7566 .pru_attach = sctp_attach, 7567 .pru_bind = sctp_bind, 7568 .pru_connect = sctp_connect, 7569 .pru_control = in_control, 7570 .pru_close = sctp_close, 7571 .pru_detach = sctp_close, 7572 .pru_sopoll = sopoll_generic, 7573 .pru_flush = sctp_flush, 7574 .pru_disconnect = sctp_disconnect, 7575 .pru_listen = sctp_listen, 7576 .pru_peeraddr = sctp_peeraddr, 7577 .pru_send = sctp_sendm, 7578 .pru_shutdown = sctp_shutdown, 7579 .pru_sockaddr = sctp_ingetaddr, 7580 .pru_sosend = sctp_sosend, 7581 .pru_soreceive = sctp_soreceive 7582 }; 7583 #endif 7584