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 60 extern const struct sctp_cc_functions sctp_cc_functions[]; 61 extern const struct sctp_ss_functions sctp_ss_functions[]; 62 63 void 64 sctp_init(void) 65 { 66 u_long sb_max_adj; 67 68 /* Initialize and modify the sysctled variables */ 69 sctp_init_sysctls(); 70 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 71 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 72 /* 73 * Allow a user to take no more than 1/2 the number of clusters or 74 * the SB_MAX, whichever is smaller, for the send window. 75 */ 76 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 77 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 78 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 79 /* 80 * Now for the recv window, should we take the same amount? or 81 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 82 * now I will just copy. 83 */ 84 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 85 SCTP_BASE_VAR(first_time) = 0; 86 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 87 sctp_pcb_init(); 88 #if defined(SCTP_PACKET_LOGGING) 89 SCTP_BASE_VAR(packet_log_writers) = 0; 90 SCTP_BASE_VAR(packet_log_end) = 0; 91 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 92 #endif 93 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, 94 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); 95 } 96 97 #ifdef VIMAGE 98 static void 99 sctp_finish(void *unused __unused) 100 { 101 sctp_pcb_finish(); 102 } 103 104 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 105 #endif 106 107 void 108 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 109 { 110 struct sctp_tmit_chunk *chk; 111 uint16_t overhead; 112 113 /* Adjust that too */ 114 stcb->asoc.smallest_mtu = nxtsz; 115 /* now off to subtract IP_DF flag if needed */ 116 overhead = IP_HDR_SIZE + sizeof(struct sctphdr); 117 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 118 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 119 } 120 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 121 if ((chk->send_size + overhead) > nxtsz) { 122 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 123 } 124 } 125 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 126 if ((chk->send_size + overhead) > nxtsz) { 127 /* 128 * For this guy we also mark for immediate resend 129 * since we sent to big of chunk 130 */ 131 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 132 if (chk->sent < SCTP_DATAGRAM_RESEND) { 133 sctp_flight_size_decrease(chk); 134 sctp_total_flight_decrease(stcb, chk); 135 chk->sent = SCTP_DATAGRAM_RESEND; 136 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 137 chk->rec.data.doing_fast_retransmit = 0; 138 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 139 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 140 chk->whoTo->flight_size, 141 chk->book_size, 142 (uint32_t)(uintptr_t)chk->whoTo, 143 chk->rec.data.tsn); 144 } 145 /* Clear any time so NO RTT is being done */ 146 if (chk->do_rtt == 1) { 147 chk->do_rtt = 0; 148 chk->whoTo->rto_needed = 1; 149 } 150 } 151 } 152 } 153 } 154 155 #ifdef INET 156 void 157 sctp_notify(struct sctp_inpcb *inp, 158 struct sctp_tcb *stcb, 159 struct sctp_nets *net, 160 uint8_t icmp_type, 161 uint8_t icmp_code, 162 uint16_t ip_len, 163 uint32_t next_mtu) 164 { 165 int timer_stopped; 166 167 if (icmp_type != ICMP_UNREACH) { 168 /* We only care about unreachable */ 169 SCTP_TCB_UNLOCK(stcb); 170 return; 171 } 172 if ((icmp_code == ICMP_UNREACH_NET) || 173 (icmp_code == ICMP_UNREACH_HOST) || 174 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 175 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 176 (icmp_code == ICMP_UNREACH_ISOLATED) || 177 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 178 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 179 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 180 /* Mark the net unreachable. */ 181 if (net->dest_state & SCTP_ADDR_REACHABLE) { 182 /* OK, that destination is NOT reachable. */ 183 net->dest_state &= ~SCTP_ADDR_REACHABLE; 184 net->dest_state &= ~SCTP_ADDR_PF; 185 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 186 stcb, 0, 187 (void *)net, SCTP_SO_NOT_LOCKED); 188 } 189 SCTP_TCB_UNLOCK(stcb); 190 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 191 (icmp_code == ICMP_UNREACH_PORT)) { 192 /* Treat it like an ABORT. */ 193 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 194 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 195 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 196 /* no need to unlock here, since the TCB is gone */ 197 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 198 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 199 SCTP_TCB_UNLOCK(stcb); 200 return; 201 } 202 /* Find the next (smaller) MTU */ 203 if (next_mtu == 0) { 204 /* 205 * Old type router that does not tell us what the 206 * next MTU is. Rats we will have to guess (in a 207 * educated fashion of course). 208 */ 209 next_mtu = sctp_get_prev_mtu(ip_len); 210 } 211 /* Stop the PMTU timer. */ 212 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 213 timer_stopped = 1; 214 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 215 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 216 } else { 217 timer_stopped = 0; 218 } 219 /* Update the path MTU. */ 220 if (net->port) { 221 next_mtu -= sizeof(struct udphdr); 222 } 223 if (net->mtu > next_mtu) { 224 net->mtu = next_mtu; 225 if (net->port) { 226 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 227 } else { 228 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 229 } 230 } 231 /* Update the association MTU */ 232 if (stcb->asoc.smallest_mtu > next_mtu) { 233 sctp_pathmtu_adjustment(stcb, next_mtu); 234 } 235 /* Finally, start the PMTU timer if it was running before. */ 236 if (timer_stopped) { 237 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 238 } 239 SCTP_TCB_UNLOCK(stcb); 240 } else { 241 SCTP_TCB_UNLOCK(stcb); 242 } 243 } 244 245 void 246 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 247 { 248 struct ip *outer_ip; 249 struct ip *inner_ip; 250 struct sctphdr *sh; 251 struct icmp *icmp; 252 struct sctp_inpcb *inp; 253 struct sctp_tcb *stcb; 254 struct sctp_nets *net; 255 struct sctp_init_chunk *ch; 256 struct sockaddr_in src, dst; 257 258 if (sa->sa_family != AF_INET || 259 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 260 return; 261 } 262 if (PRC_IS_REDIRECT(cmd)) { 263 vip = NULL; 264 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 265 return; 266 } 267 if (vip != NULL) { 268 inner_ip = (struct ip *)vip; 269 icmp = (struct icmp *)((caddr_t)inner_ip - 270 (sizeof(struct icmp) - sizeof(struct ip))); 271 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 272 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 273 memset(&src, 0, sizeof(struct sockaddr_in)); 274 src.sin_family = AF_INET; 275 src.sin_len = sizeof(struct sockaddr_in); 276 src.sin_port = sh->src_port; 277 src.sin_addr = inner_ip->ip_src; 278 memset(&dst, 0, sizeof(struct sockaddr_in)); 279 dst.sin_family = AF_INET; 280 dst.sin_len = sizeof(struct sockaddr_in); 281 dst.sin_port = sh->dest_port; 282 dst.sin_addr = inner_ip->ip_dst; 283 /* 284 * 'dst' holds the dest of the packet that failed to be 285 * sent. 'src' holds our local endpoint address. Thus we 286 * reverse the dst and the src in the lookup. 287 */ 288 inp = NULL; 289 net = NULL; 290 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 291 (struct sockaddr *)&src, 292 &inp, &net, 1, 293 SCTP_DEFAULT_VRFID); 294 if ((stcb != NULL) && 295 (net != NULL) && 296 (inp != NULL)) { 297 /* Check the verification tag */ 298 if (ntohl(sh->v_tag) != 0) { 299 /* 300 * This must be the verification tag used 301 * for sending out packets. We don't 302 * consider packets reflecting the 303 * verification tag. 304 */ 305 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 306 SCTP_TCB_UNLOCK(stcb); 307 return; 308 } 309 } else { 310 if (ntohs(outer_ip->ip_len) >= 311 sizeof(struct ip) + 312 8 + (inner_ip->ip_hl << 2) + 20) { 313 /* 314 * In this case we can check if we 315 * got an INIT chunk and if the 316 * initiate tag matches. 317 */ 318 ch = (struct sctp_init_chunk *)(sh + 1); 319 if ((ch->ch.chunk_type != SCTP_INITIATION) || 320 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 321 SCTP_TCB_UNLOCK(stcb); 322 return; 323 } 324 } else { 325 SCTP_TCB_UNLOCK(stcb); 326 return; 327 } 328 } 329 sctp_notify(inp, stcb, net, 330 icmp->icmp_type, 331 icmp->icmp_code, 332 ntohs(inner_ip->ip_len), 333 (uint32_t)ntohs(icmp->icmp_nextmtu)); 334 } else { 335 if ((stcb == NULL) && (inp != NULL)) { 336 /* reduce ref-count */ 337 SCTP_INP_WLOCK(inp); 338 SCTP_INP_DECR_REF(inp); 339 SCTP_INP_WUNLOCK(inp); 340 } 341 if (stcb) { 342 SCTP_TCB_UNLOCK(stcb); 343 } 344 } 345 } 346 return; 347 } 348 #endif 349 350 static int 351 sctp_getcred(SYSCTL_HANDLER_ARGS) 352 { 353 struct xucred xuc; 354 struct sockaddr_in addrs[2]; 355 struct sctp_inpcb *inp; 356 struct sctp_nets *net; 357 struct sctp_tcb *stcb; 358 int error; 359 uint32_t vrf_id; 360 361 /* FIX, for non-bsd is this right? */ 362 vrf_id = SCTP_DEFAULT_VRFID; 363 364 error = priv_check(req->td, PRIV_NETINET_GETCRED); 365 366 if (error) 367 return (error); 368 369 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 370 if (error) 371 return (error); 372 373 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 374 sintosa(&addrs[0]), 375 &inp, &net, 1, vrf_id); 376 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 377 if ((inp != NULL) && (stcb == NULL)) { 378 /* reduce ref-count */ 379 SCTP_INP_WLOCK(inp); 380 SCTP_INP_DECR_REF(inp); 381 goto cred_can_cont; 382 } 383 384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 385 error = ENOENT; 386 goto out; 387 } 388 SCTP_TCB_UNLOCK(stcb); 389 /* 390 * We use the write lock here, only since in the error leg we need 391 * it. If we used RLOCK, then we would have to 392 * wlock/decr/unlock/rlock. Which in theory could create a hole. 393 * Better to use higher wlock. 394 */ 395 SCTP_INP_WLOCK(inp); 396 cred_can_cont: 397 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 398 if (error) { 399 SCTP_INP_WUNLOCK(inp); 400 goto out; 401 } 402 cru2x(inp->sctp_socket->so_cred, &xuc); 403 SCTP_INP_WUNLOCK(inp); 404 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 405 out: 406 return (error); 407 } 408 409 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 410 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 411 0, 0, sctp_getcred, "S,ucred", 412 "Get the ucred of a SCTP connection"); 413 414 415 #ifdef INET 416 static void 417 sctp_abort(struct socket *so) 418 { 419 struct epoch_tracker et; 420 struct sctp_inpcb *inp; 421 uint32_t flags; 422 423 inp = (struct sctp_inpcb *)so->so_pcb; 424 if (inp == NULL) { 425 return; 426 } 427 428 NET_EPOCH_ENTER(et); 429 sctp_must_try_again: 430 flags = inp->sctp_flags; 431 #ifdef SCTP_LOG_CLOSING 432 sctp_log_closing(inp, NULL, 17); 433 #endif 434 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 435 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 436 #ifdef SCTP_LOG_CLOSING 437 sctp_log_closing(inp, NULL, 16); 438 #endif 439 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 440 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 441 SOCK_LOCK(so); 442 SCTP_SB_CLEAR(so->so_snd); 443 /* 444 * same for the rcv ones, they are only here for the 445 * accounting/select. 446 */ 447 SCTP_SB_CLEAR(so->so_rcv); 448 449 /* Now null out the reference, we are completely detached. */ 450 so->so_pcb = NULL; 451 SOCK_UNLOCK(so); 452 } else { 453 flags = inp->sctp_flags; 454 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 455 goto sctp_must_try_again; 456 } 457 } 458 NET_EPOCH_EXIT(et); 459 return; 460 } 461 462 static int 463 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 464 { 465 struct sctp_inpcb *inp; 466 struct inpcb *ip_inp; 467 int error; 468 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 469 470 inp = (struct sctp_inpcb *)so->so_pcb; 471 if (inp != NULL) { 472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 473 return (EINVAL); 474 } 475 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 476 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 477 if (error) { 478 return (error); 479 } 480 } 481 error = sctp_inpcb_alloc(so, vrf_id); 482 if (error) { 483 return (error); 484 } 485 inp = (struct sctp_inpcb *)so->so_pcb; 486 SCTP_INP_WLOCK(inp); 487 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 488 ip_inp = &inp->ip_inp.inp; 489 ip_inp->inp_vflag |= INP_IPV4; 490 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 491 SCTP_INP_WUNLOCK(inp); 492 return (0); 493 } 494 495 static int 496 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 497 { 498 struct sctp_inpcb *inp; 499 500 inp = (struct sctp_inpcb *)so->so_pcb; 501 if (inp == NULL) { 502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 503 return (EINVAL); 504 } 505 if (addr != NULL) { 506 if ((addr->sa_family != AF_INET) || 507 (addr->sa_len != sizeof(struct sockaddr_in))) { 508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 509 return (EINVAL); 510 } 511 } 512 return (sctp_inpcb_bind(so, addr, NULL, p)); 513 } 514 515 #endif 516 void 517 sctp_close(struct socket *so) 518 { 519 struct epoch_tracker et; 520 struct sctp_inpcb *inp; 521 uint32_t flags; 522 523 inp = (struct sctp_inpcb *)so->so_pcb; 524 if (inp == NULL) 525 return; 526 527 /* 528 * Inform all the lower layer assoc that we are done. 529 */ 530 NET_EPOCH_ENTER(et); 531 sctp_must_try_again: 532 flags = inp->sctp_flags; 533 #ifdef SCTP_LOG_CLOSING 534 sctp_log_closing(inp, NULL, 17); 535 #endif 536 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 537 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 538 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 539 (so->so_rcv.sb_cc > 0)) { 540 #ifdef SCTP_LOG_CLOSING 541 sctp_log_closing(inp, NULL, 13); 542 #endif 543 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 544 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 545 } else { 546 #ifdef SCTP_LOG_CLOSING 547 sctp_log_closing(inp, NULL, 14); 548 #endif 549 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 550 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 551 } 552 /* 553 * The socket is now detached, no matter what the state of 554 * the SCTP association. 555 */ 556 SOCK_LOCK(so); 557 SCTP_SB_CLEAR(so->so_snd); 558 /* 559 * same for the rcv ones, they are only here for the 560 * accounting/select. 561 */ 562 SCTP_SB_CLEAR(so->so_rcv); 563 564 /* Now null out the reference, we are completely detached. */ 565 so->so_pcb = NULL; 566 SOCK_UNLOCK(so); 567 } else { 568 flags = inp->sctp_flags; 569 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 570 goto sctp_must_try_again; 571 } 572 } 573 NET_EPOCH_EXIT(et); 574 return; 575 } 576 577 578 int 579 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 580 struct mbuf *control, struct thread *p); 581 582 583 int 584 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 585 struct mbuf *control, struct thread *p) 586 { 587 struct sctp_inpcb *inp; 588 int error; 589 590 inp = (struct sctp_inpcb *)so->so_pcb; 591 if (inp == NULL) { 592 if (control) { 593 sctp_m_freem(control); 594 control = NULL; 595 } 596 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 597 sctp_m_freem(m); 598 return (EINVAL); 599 } 600 /* Got to have an to address if we are NOT a connected socket */ 601 if ((addr == NULL) && 602 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 603 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 604 goto connected_type; 605 } else if (addr == NULL) { 606 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 607 error = EDESTADDRREQ; 608 sctp_m_freem(m); 609 if (control) { 610 sctp_m_freem(control); 611 control = NULL; 612 } 613 return (error); 614 } 615 #ifdef INET6 616 if (addr->sa_family != AF_INET) { 617 /* must be a v4 address! */ 618 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 619 sctp_m_freem(m); 620 if (control) { 621 sctp_m_freem(control); 622 control = NULL; 623 } 624 error = EDESTADDRREQ; 625 return (error); 626 } 627 #endif /* INET6 */ 628 connected_type: 629 /* now what about control */ 630 if (control) { 631 if (inp->control) { 632 sctp_m_freem(inp->control); 633 inp->control = NULL; 634 } 635 inp->control = control; 636 } 637 /* Place the data */ 638 if (inp->pkt) { 639 SCTP_BUF_NEXT(inp->pkt_last) = m; 640 inp->pkt_last = m; 641 } else { 642 inp->pkt_last = inp->pkt = m; 643 } 644 if ( 645 /* FreeBSD uses a flag passed */ 646 ((flags & PRUS_MORETOCOME) == 0) 647 ) { 648 /* 649 * note with the current version this code will only be used 650 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 651 * re-defining sosend to use the sctp_sosend. One can 652 * optionally switch back to this code (by changing back the 653 * definitions) but this is not advisable. This code is used 654 * by FreeBSD when sending a file with sendfile() though. 655 */ 656 struct epoch_tracker et; 657 int ret; 658 659 NET_EPOCH_ENTER(et); 660 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 661 NET_EPOCH_EXIT(et); 662 inp->pkt = NULL; 663 inp->control = NULL; 664 return (ret); 665 } else { 666 return (0); 667 } 668 } 669 670 int 671 sctp_disconnect(struct socket *so) 672 { 673 struct sctp_inpcb *inp; 674 675 inp = (struct sctp_inpcb *)so->so_pcb; 676 if (inp == NULL) { 677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 678 return (ENOTCONN); 679 } 680 SCTP_INP_RLOCK(inp); 681 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 682 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 683 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 684 /* No connection */ 685 SCTP_INP_RUNLOCK(inp); 686 return (0); 687 } else { 688 struct epoch_tracker et; 689 struct sctp_association *asoc; 690 struct sctp_tcb *stcb; 691 692 stcb = LIST_FIRST(&inp->sctp_asoc_list); 693 if (stcb == NULL) { 694 SCTP_INP_RUNLOCK(inp); 695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 696 return (EINVAL); 697 } 698 SCTP_TCB_LOCK(stcb); 699 asoc = &stcb->asoc; 700 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 701 /* We are about to be freed, out of here */ 702 SCTP_TCB_UNLOCK(stcb); 703 SCTP_INP_RUNLOCK(inp); 704 return (0); 705 } 706 NET_EPOCH_ENTER(et); 707 if (((so->so_options & SO_LINGER) && 708 (so->so_linger == 0)) || 709 (so->so_rcv.sb_cc > 0)) { 710 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 711 /* Left with Data unread */ 712 struct mbuf *op_err; 713 714 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 715 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 716 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 717 } 718 SCTP_INP_RUNLOCK(inp); 719 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 720 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 721 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 722 } 723 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 724 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 725 /* No unlock tcb assoc is gone */ 726 NET_EPOCH_EXIT(et); 727 return (0); 728 } 729 if (TAILQ_EMPTY(&asoc->send_queue) && 730 TAILQ_EMPTY(&asoc->sent_queue) && 731 (asoc->stream_queue_cnt == 0)) { 732 /* there is nothing queued to send, so done */ 733 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 734 goto abort_anyway; 735 } 736 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 737 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 738 /* only send SHUTDOWN 1st time thru */ 739 struct sctp_nets *netp; 740 741 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 742 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 743 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 744 } 745 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 746 sctp_stop_timers_for_shutdown(stcb); 747 if (stcb->asoc.alternate) { 748 netp = stcb->asoc.alternate; 749 } else { 750 netp = stcb->asoc.primary_destination; 751 } 752 sctp_send_shutdown(stcb, netp); 753 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 754 stcb->sctp_ep, stcb, netp); 755 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 756 stcb->sctp_ep, stcb, NULL); 757 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 758 } 759 } else { 760 /* 761 * we still got (or just got) data to send, 762 * so set SHUTDOWN_PENDING 763 */ 764 /* 765 * XXX sockets draft says that SCTP_EOF 766 * should be sent with no data. currently, 767 * we will allow user data to be sent first 768 * and move to SHUTDOWN-PENDING 769 */ 770 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 771 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 772 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 773 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 774 } 775 if (TAILQ_EMPTY(&asoc->send_queue) && 776 TAILQ_EMPTY(&asoc->sent_queue) && 777 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 778 struct mbuf *op_err; 779 780 abort_anyway: 781 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 782 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 783 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 784 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 785 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 786 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 787 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 788 } 789 SCTP_INP_RUNLOCK(inp); 790 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 791 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 792 NET_EPOCH_EXIT(et); 793 return (0); 794 } else { 795 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 796 } 797 } 798 soisdisconnecting(so); 799 NET_EPOCH_EXIT(et); 800 SCTP_TCB_UNLOCK(stcb); 801 SCTP_INP_RUNLOCK(inp); 802 return (0); 803 } 804 /* not reached */ 805 } else { 806 /* UDP model does not support this */ 807 SCTP_INP_RUNLOCK(inp); 808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 809 return (EOPNOTSUPP); 810 } 811 } 812 813 int 814 sctp_flush(struct socket *so, int how) 815 { 816 /* 817 * We will just clear out the values and let subsequent close clear 818 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 819 * they will not be able to read the data, the socket will block 820 * that from happening. 821 */ 822 struct sctp_inpcb *inp; 823 824 inp = (struct sctp_inpcb *)so->so_pcb; 825 if (inp == NULL) { 826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 827 return (EINVAL); 828 } 829 SCTP_INP_RLOCK(inp); 830 /* For the 1 to many model this does nothing */ 831 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 832 SCTP_INP_RUNLOCK(inp); 833 return (0); 834 } 835 SCTP_INP_RUNLOCK(inp); 836 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 837 /* 838 * First make sure the sb will be happy, we don't use these 839 * except maybe the count 840 */ 841 SCTP_INP_WLOCK(inp); 842 SCTP_INP_READ_LOCK(inp); 843 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 844 SCTP_INP_READ_UNLOCK(inp); 845 SCTP_INP_WUNLOCK(inp); 846 so->so_rcv.sb_cc = 0; 847 so->so_rcv.sb_mbcnt = 0; 848 so->so_rcv.sb_mb = NULL; 849 } 850 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 851 /* 852 * First make sure the sb will be happy, we don't use these 853 * except maybe the count 854 */ 855 so->so_snd.sb_cc = 0; 856 so->so_snd.sb_mbcnt = 0; 857 so->so_snd.sb_mb = NULL; 858 859 } 860 return (0); 861 } 862 863 int 864 sctp_shutdown(struct socket *so) 865 { 866 struct sctp_inpcb *inp; 867 868 inp = (struct sctp_inpcb *)so->so_pcb; 869 if (inp == NULL) { 870 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 871 return (EINVAL); 872 } 873 SCTP_INP_RLOCK(inp); 874 /* For UDP model this is a invalid call */ 875 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 876 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 877 /* Restore the flags that the soshutdown took away. */ 878 SOCKBUF_LOCK(&so->so_rcv); 879 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 880 SOCKBUF_UNLOCK(&so->so_rcv); 881 /* This proc will wakeup for read and do nothing (I hope) */ 882 SCTP_INP_RUNLOCK(inp); 883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 884 return (EOPNOTSUPP); 885 } else { 886 /* 887 * Ok, if we reach here its the TCP model and it is either a 888 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 889 * against it. 890 */ 891 struct epoch_tracker et; 892 struct sctp_tcb *stcb; 893 struct sctp_association *asoc; 894 struct sctp_nets *netp; 895 896 if ((so->so_state & 897 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 898 SCTP_INP_RUNLOCK(inp); 899 return (ENOTCONN); 900 } 901 socantsendmore(so); 902 903 stcb = LIST_FIRST(&inp->sctp_asoc_list); 904 if (stcb == NULL) { 905 /* 906 * Ok, we hit the case that the shutdown call was 907 * made after an abort or something. Nothing to do 908 * now. 909 */ 910 SCTP_INP_RUNLOCK(inp); 911 return (0); 912 } 913 SCTP_TCB_LOCK(stcb); 914 asoc = &stcb->asoc; 915 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 916 SCTP_TCB_UNLOCK(stcb); 917 SCTP_INP_RUNLOCK(inp); 918 return (0); 919 } 920 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 921 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 922 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 923 /* 924 * If we are not in or before ESTABLISHED, there is 925 * no protocol action required. 926 */ 927 SCTP_TCB_UNLOCK(stcb); 928 SCTP_INP_RUNLOCK(inp); 929 return (0); 930 } 931 NET_EPOCH_ENTER(et); 932 if (stcb->asoc.alternate) { 933 netp = stcb->asoc.alternate; 934 } else { 935 netp = stcb->asoc.primary_destination; 936 } 937 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 938 TAILQ_EMPTY(&asoc->send_queue) && 939 TAILQ_EMPTY(&asoc->sent_queue) && 940 (asoc->stream_queue_cnt == 0)) { 941 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 942 goto abort_anyway; 943 } 944 /* there is nothing queued to send, so I'm done... */ 945 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 946 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 947 sctp_stop_timers_for_shutdown(stcb); 948 sctp_send_shutdown(stcb, netp); 949 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 950 stcb->sctp_ep, stcb, netp); 951 } else { 952 /* 953 * We still got (or just got) data to send, so set 954 * SHUTDOWN_PENDING. 955 */ 956 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 957 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 958 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 959 } 960 if (TAILQ_EMPTY(&asoc->send_queue) && 961 TAILQ_EMPTY(&asoc->sent_queue) && 962 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 963 struct mbuf *op_err; 964 965 abort_anyway: 966 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 967 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 968 SCTP_INP_RUNLOCK(inp); 969 sctp_abort_an_association(stcb->sctp_ep, stcb, 970 op_err, SCTP_SO_LOCKED); 971 NET_EPOCH_EXIT(et); 972 return (0); 973 } 974 } 975 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 976 /* 977 * XXX: Why do this in the case where we have still data 978 * queued? 979 */ 980 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 981 SCTP_TCB_UNLOCK(stcb); 982 SCTP_INP_RUNLOCK(inp); 983 NET_EPOCH_EXIT(et); 984 return (0); 985 } 986 } 987 988 /* 989 * copies a "user" presentable address and removes embedded scope, etc. 990 * returns 0 on success, 1 on error 991 */ 992 static uint32_t 993 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 994 { 995 #ifdef INET6 996 struct sockaddr_in6 lsa6; 997 998 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 999 &lsa6); 1000 #endif 1001 memcpy(ss, sa, sa->sa_len); 1002 return (0); 1003 } 1004 1005 1006 1007 /* 1008 * NOTE: assumes addr lock is held 1009 */ 1010 static size_t 1011 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1012 struct sctp_tcb *stcb, 1013 size_t limit, 1014 struct sockaddr_storage *sas, 1015 uint32_t vrf_id) 1016 { 1017 struct sctp_ifn *sctp_ifn; 1018 struct sctp_ifa *sctp_ifa; 1019 size_t actual; 1020 int loopback_scope; 1021 #if defined(INET) 1022 int ipv4_local_scope, ipv4_addr_legal; 1023 #endif 1024 #if defined(INET6) 1025 int local_scope, site_scope, ipv6_addr_legal; 1026 #endif 1027 struct sctp_vrf *vrf; 1028 1029 actual = 0; 1030 if (limit == 0) 1031 return (actual); 1032 1033 if (stcb) { 1034 /* Turn on all the appropriate scope */ 1035 loopback_scope = stcb->asoc.scope.loopback_scope; 1036 #if defined(INET) 1037 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1038 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1039 #endif 1040 #if defined(INET6) 1041 local_scope = stcb->asoc.scope.local_scope; 1042 site_scope = stcb->asoc.scope.site_scope; 1043 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1044 #endif 1045 } else { 1046 /* Use generic values for endpoints. */ 1047 loopback_scope = 1; 1048 #if defined(INET) 1049 ipv4_local_scope = 1; 1050 #endif 1051 #if defined(INET6) 1052 local_scope = 1; 1053 site_scope = 1; 1054 #endif 1055 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1056 #if defined(INET6) 1057 ipv6_addr_legal = 1; 1058 #endif 1059 #if defined(INET) 1060 if (SCTP_IPV6_V6ONLY(inp)) { 1061 ipv4_addr_legal = 0; 1062 } else { 1063 ipv4_addr_legal = 1; 1064 } 1065 #endif 1066 } else { 1067 #if defined(INET6) 1068 ipv6_addr_legal = 0; 1069 #endif 1070 #if defined(INET) 1071 ipv4_addr_legal = 1; 1072 #endif 1073 } 1074 } 1075 vrf = sctp_find_vrf(vrf_id); 1076 if (vrf == NULL) { 1077 return (0); 1078 } 1079 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1080 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1081 if ((loopback_scope == 0) && 1082 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1083 /* Skip loopback if loopback_scope not set */ 1084 continue; 1085 } 1086 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1087 if (stcb) { 1088 /* 1089 * For the BOUND-ALL case, the list 1090 * associated with a TCB is Always 1091 * considered a reverse list.. i.e. 1092 * it lists addresses that are NOT 1093 * part of the association. If this 1094 * is one of those we must skip it. 1095 */ 1096 if (sctp_is_addr_restricted(stcb, 1097 sctp_ifa)) { 1098 continue; 1099 } 1100 } 1101 switch (sctp_ifa->address.sa.sa_family) { 1102 #ifdef INET 1103 case AF_INET: 1104 if (ipv4_addr_legal) { 1105 struct sockaddr_in *sin; 1106 1107 sin = &sctp_ifa->address.sin; 1108 if (sin->sin_addr.s_addr == 0) { 1109 /* 1110 * we skip 1111 * unspecifed 1112 * addresses 1113 */ 1114 continue; 1115 } 1116 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1117 &sin->sin_addr) != 0) { 1118 continue; 1119 } 1120 if ((ipv4_local_scope == 0) && 1121 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1122 continue; 1123 } 1124 #ifdef INET6 1125 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1126 if (actual + sizeof(struct sockaddr_in6) > limit) { 1127 return (actual); 1128 } 1129 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1130 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1131 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1132 actual += sizeof(struct sockaddr_in6); 1133 } else { 1134 #endif 1135 if (actual + sizeof(struct sockaddr_in) > limit) { 1136 return (actual); 1137 } 1138 memcpy(sas, sin, sizeof(struct sockaddr_in)); 1139 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1140 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in)); 1141 actual += sizeof(struct sockaddr_in); 1142 #ifdef INET6 1143 } 1144 #endif 1145 } else { 1146 continue; 1147 } 1148 break; 1149 #endif 1150 #ifdef INET6 1151 case AF_INET6: 1152 if (ipv6_addr_legal) { 1153 struct sockaddr_in6 *sin6; 1154 1155 sin6 = &sctp_ifa->address.sin6; 1156 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1157 /* 1158 * we skip 1159 * unspecifed 1160 * addresses 1161 */ 1162 continue; 1163 } 1164 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1165 &sin6->sin6_addr) != 0) { 1166 continue; 1167 } 1168 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1169 if (local_scope == 0) 1170 continue; 1171 if (sin6->sin6_scope_id == 0) { 1172 if (sa6_recoverscope(sin6) != 0) 1173 /* 1174 * 1175 * bad 1176 * link 1177 * 1178 * local 1179 * 1180 * address 1181 */ 1182 continue; 1183 } 1184 } 1185 if ((site_scope == 0) && 1186 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1187 continue; 1188 } 1189 if (actual + sizeof(struct sockaddr_in6) > limit) { 1190 return (actual); 1191 } 1192 memcpy(sas, sin6, sizeof(struct sockaddr_in6)); 1193 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1194 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1195 actual += sizeof(struct sockaddr_in6); 1196 } else { 1197 continue; 1198 } 1199 break; 1200 #endif 1201 default: 1202 /* TSNH */ 1203 break; 1204 } 1205 } 1206 } 1207 } else { 1208 struct sctp_laddr *laddr; 1209 size_t sa_len; 1210 1211 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1212 if (stcb) { 1213 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1214 continue; 1215 } 1216 } 1217 sa_len = laddr->ifa->address.sa.sa_len; 1218 if (actual + sa_len > limit) { 1219 return (actual); 1220 } 1221 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1222 continue; 1223 switch (laddr->ifa->address.sa.sa_family) { 1224 #ifdef INET 1225 case AF_INET: 1226 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1227 break; 1228 #endif 1229 #ifdef INET6 1230 case AF_INET6: 1231 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1232 break; 1233 #endif 1234 default: 1235 /* TSNH */ 1236 break; 1237 } 1238 sas = (struct sockaddr_storage *)((caddr_t)sas + sa_len); 1239 actual += sa_len; 1240 } 1241 } 1242 return (actual); 1243 } 1244 1245 static size_t 1246 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1247 struct sctp_tcb *stcb, 1248 size_t limit, 1249 struct sockaddr_storage *sas) 1250 { 1251 size_t size = 0; 1252 1253 SCTP_IPI_ADDR_RLOCK(); 1254 /* fill up addresses for the endpoint's default vrf */ 1255 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1256 inp->def_vrf_id); 1257 SCTP_IPI_ADDR_RUNLOCK(); 1258 return (size); 1259 } 1260 1261 /* 1262 * NOTE: assumes addr lock is held 1263 */ 1264 static int 1265 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1266 { 1267 int cnt = 0; 1268 struct sctp_vrf *vrf = NULL; 1269 1270 /* 1271 * In both sub-set bound an bound_all cases we return the MAXIMUM 1272 * number of addresses that you COULD get. In reality the sub-set 1273 * bound may have an exclusion list for a given TCB OR in the 1274 * bound-all case a TCB may NOT include the loopback or other 1275 * addresses as well. 1276 */ 1277 vrf = sctp_find_vrf(vrf_id); 1278 if (vrf == NULL) { 1279 return (0); 1280 } 1281 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1282 struct sctp_ifn *sctp_ifn; 1283 struct sctp_ifa *sctp_ifa; 1284 1285 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1286 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1287 /* Count them if they are the right type */ 1288 switch (sctp_ifa->address.sa.sa_family) { 1289 #ifdef INET 1290 case AF_INET: 1291 #ifdef INET6 1292 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1293 cnt += sizeof(struct sockaddr_in6); 1294 else 1295 cnt += sizeof(struct sockaddr_in); 1296 #else 1297 cnt += sizeof(struct sockaddr_in); 1298 #endif 1299 break; 1300 #endif 1301 #ifdef INET6 1302 case AF_INET6: 1303 cnt += sizeof(struct sockaddr_in6); 1304 break; 1305 #endif 1306 default: 1307 break; 1308 } 1309 } 1310 } 1311 } else { 1312 struct sctp_laddr *laddr; 1313 1314 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1315 switch (laddr->ifa->address.sa.sa_family) { 1316 #ifdef INET 1317 case AF_INET: 1318 #ifdef INET6 1319 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1320 cnt += sizeof(struct sockaddr_in6); 1321 else 1322 cnt += sizeof(struct sockaddr_in); 1323 #else 1324 cnt += sizeof(struct sockaddr_in); 1325 #endif 1326 break; 1327 #endif 1328 #ifdef INET6 1329 case AF_INET6: 1330 cnt += sizeof(struct sockaddr_in6); 1331 break; 1332 #endif 1333 default: 1334 break; 1335 } 1336 } 1337 } 1338 return (cnt); 1339 } 1340 1341 static int 1342 sctp_count_max_addresses(struct sctp_inpcb *inp) 1343 { 1344 int cnt = 0; 1345 1346 SCTP_IPI_ADDR_RLOCK(); 1347 /* count addresses for the endpoint's default VRF */ 1348 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1349 SCTP_IPI_ADDR_RUNLOCK(); 1350 return (cnt); 1351 } 1352 1353 static int 1354 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1355 size_t optsize, void *p, int delay) 1356 { 1357 int error; 1358 int creat_lock_on = 0; 1359 struct sctp_tcb *stcb = NULL; 1360 struct sockaddr *sa; 1361 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1362 uint32_t vrf_id; 1363 sctp_assoc_t *a_id; 1364 1365 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1366 1367 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1368 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1369 /* We are already connected AND the TCP model */ 1370 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1371 return (EADDRINUSE); 1372 } 1373 1374 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1375 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1376 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1377 return (EINVAL); 1378 } 1379 1380 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1381 SCTP_INP_RLOCK(inp); 1382 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1383 SCTP_INP_RUNLOCK(inp); 1384 } 1385 if (stcb) { 1386 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1387 return (EALREADY); 1388 } 1389 SCTP_INP_INCR_REF(inp); 1390 SCTP_ASOC_CREATE_LOCK(inp); 1391 creat_lock_on = 1; 1392 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1393 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1394 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1395 error = EFAULT; 1396 goto out_now; 1397 } 1398 totaddrp = (unsigned int *)optval; 1399 totaddr = *totaddrp; 1400 sa = (struct sockaddr *)(totaddrp + 1); 1401 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1402 if (error != 0) { 1403 /* Already have or am bring up an association */ 1404 SCTP_ASOC_CREATE_UNLOCK(inp); 1405 creat_lock_on = 0; 1406 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1407 goto out_now; 1408 } 1409 #ifdef INET6 1410 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1411 (num_v6 > 0)) { 1412 error = EINVAL; 1413 goto out_now; 1414 } 1415 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1416 (num_v4 > 0)) { 1417 if (SCTP_IPV6_V6ONLY(inp)) { 1418 /* 1419 * if IPV6_V6ONLY flag, ignore connections destined 1420 * to a v4 addr or v4-mapped addr 1421 */ 1422 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1423 error = EINVAL; 1424 goto out_now; 1425 } 1426 } 1427 #endif /* INET6 */ 1428 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1429 SCTP_PCB_FLAGS_UNBOUND) { 1430 /* Bind a ephemeral port */ 1431 error = sctp_inpcb_bind(so, NULL, NULL, p); 1432 if (error) { 1433 goto out_now; 1434 } 1435 } 1436 1437 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1438 vrf_id = inp->def_vrf_id; 1439 1440 1441 /* We are GOOD to go */ 1442 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1443 inp->sctp_ep.pre_open_stream_count, 1444 inp->sctp_ep.port, 1445 (struct thread *)p, 1446 SCTP_INITIALIZE_AUTH_PARAMS); 1447 if (stcb == NULL) { 1448 /* Gak! no memory */ 1449 goto out_now; 1450 } 1451 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1452 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1453 /* Set the connected flag so we can queue data */ 1454 soisconnecting(so); 1455 } 1456 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1457 /* move to second address */ 1458 switch (sa->sa_family) { 1459 #ifdef INET 1460 case AF_INET: 1461 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1462 break; 1463 #endif 1464 #ifdef INET6 1465 case AF_INET6: 1466 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1467 break; 1468 #endif 1469 default: 1470 break; 1471 } 1472 1473 error = 0; 1474 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1475 /* Fill in the return id */ 1476 if (error) { 1477 goto out_now; 1478 } 1479 a_id = (sctp_assoc_t *)optval; 1480 *a_id = sctp_get_associd(stcb); 1481 1482 if (delay) { 1483 /* doing delayed connection */ 1484 stcb->asoc.delayed_connection = 1; 1485 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1486 } else { 1487 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1488 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1489 } 1490 SCTP_TCB_UNLOCK(stcb); 1491 out_now: 1492 if (creat_lock_on) { 1493 SCTP_ASOC_CREATE_UNLOCK(inp); 1494 } 1495 SCTP_INP_DECR_REF(inp); 1496 return (error); 1497 } 1498 1499 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1500 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1501 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1502 SCTP_INP_RLOCK(inp); \ 1503 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1504 if (stcb) { \ 1505 SCTP_TCB_LOCK(stcb); \ 1506 } \ 1507 SCTP_INP_RUNLOCK(inp); \ 1508 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1509 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1510 if (stcb == NULL) { \ 1511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1512 error = ENOENT; \ 1513 break; \ 1514 } \ 1515 } else { \ 1516 stcb = NULL; \ 1517 } \ 1518 } 1519 1520 1521 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1522 if (size < sizeof(type)) { \ 1523 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1524 error = EINVAL; \ 1525 break; \ 1526 } else { \ 1527 destp = (type *)srcp; \ 1528 } \ 1529 } 1530 1531 static int 1532 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1533 void *p) 1534 { 1535 struct sctp_inpcb *inp = NULL; 1536 int error, val = 0; 1537 struct sctp_tcb *stcb = NULL; 1538 1539 if (optval == NULL) { 1540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1541 return (EINVAL); 1542 } 1543 1544 inp = (struct sctp_inpcb *)so->so_pcb; 1545 if (inp == NULL) { 1546 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1547 return EINVAL; 1548 } 1549 error = 0; 1550 1551 switch (optname) { 1552 case SCTP_NODELAY: 1553 case SCTP_AUTOCLOSE: 1554 case SCTP_EXPLICIT_EOR: 1555 case SCTP_AUTO_ASCONF: 1556 case SCTP_DISABLE_FRAGMENTS: 1557 case SCTP_I_WANT_MAPPED_V4_ADDR: 1558 case SCTP_USE_EXT_RCVINFO: 1559 SCTP_INP_RLOCK(inp); 1560 switch (optname) { 1561 case SCTP_DISABLE_FRAGMENTS: 1562 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1563 break; 1564 case SCTP_I_WANT_MAPPED_V4_ADDR: 1565 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1566 break; 1567 case SCTP_AUTO_ASCONF: 1568 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1569 /* only valid for bound all sockets */ 1570 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1571 } else { 1572 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1573 error = EINVAL; 1574 goto flags_out; 1575 } 1576 break; 1577 case SCTP_EXPLICIT_EOR: 1578 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1579 break; 1580 case SCTP_NODELAY: 1581 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1582 break; 1583 case SCTP_USE_EXT_RCVINFO: 1584 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1585 break; 1586 case SCTP_AUTOCLOSE: 1587 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1588 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1589 else 1590 val = 0; 1591 break; 1592 1593 default: 1594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1595 error = ENOPROTOOPT; 1596 } /* end switch (sopt->sopt_name) */ 1597 if (*optsize < sizeof(val)) { 1598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1599 error = EINVAL; 1600 } 1601 flags_out: 1602 SCTP_INP_RUNLOCK(inp); 1603 if (error == 0) { 1604 /* return the option value */ 1605 *(int *)optval = val; 1606 *optsize = sizeof(val); 1607 } 1608 break; 1609 case SCTP_GET_PACKET_LOG: 1610 { 1611 #ifdef SCTP_PACKET_LOGGING 1612 uint8_t *target; 1613 int ret; 1614 1615 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1616 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1617 *optsize = ret; 1618 #else 1619 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1620 error = EOPNOTSUPP; 1621 #endif 1622 break; 1623 } 1624 case SCTP_REUSE_PORT: 1625 { 1626 uint32_t *value; 1627 1628 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1629 /* Can't do this for a 1-m socket */ 1630 error = EINVAL; 1631 break; 1632 } 1633 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1634 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1635 *optsize = sizeof(uint32_t); 1636 break; 1637 } 1638 case SCTP_PARTIAL_DELIVERY_POINT: 1639 { 1640 uint32_t *value; 1641 1642 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1643 *value = inp->partial_delivery_point; 1644 *optsize = sizeof(uint32_t); 1645 break; 1646 } 1647 case SCTP_FRAGMENT_INTERLEAVE: 1648 { 1649 uint32_t *value; 1650 1651 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1652 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1653 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1654 *value = SCTP_FRAG_LEVEL_2; 1655 } else { 1656 *value = SCTP_FRAG_LEVEL_1; 1657 } 1658 } else { 1659 *value = SCTP_FRAG_LEVEL_0; 1660 } 1661 *optsize = sizeof(uint32_t); 1662 break; 1663 } 1664 case SCTP_INTERLEAVING_SUPPORTED: 1665 { 1666 struct sctp_assoc_value *av; 1667 1668 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1669 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1670 1671 if (stcb) { 1672 av->assoc_value = stcb->asoc.idata_supported; 1673 SCTP_TCB_UNLOCK(stcb); 1674 } else { 1675 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1676 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1677 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1678 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1679 SCTP_INP_RLOCK(inp); 1680 if (inp->idata_supported) { 1681 av->assoc_value = 1; 1682 } else { 1683 av->assoc_value = 0; 1684 } 1685 SCTP_INP_RUNLOCK(inp); 1686 } else { 1687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1688 error = EINVAL; 1689 } 1690 } 1691 if (error == 0) { 1692 *optsize = sizeof(struct sctp_assoc_value); 1693 } 1694 break; 1695 } 1696 case SCTP_CMT_ON_OFF: 1697 { 1698 struct sctp_assoc_value *av; 1699 1700 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1701 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1702 if (stcb) { 1703 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1704 SCTP_TCB_UNLOCK(stcb); 1705 } else { 1706 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1707 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1708 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1709 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1710 SCTP_INP_RLOCK(inp); 1711 av->assoc_value = inp->sctp_cmt_on_off; 1712 SCTP_INP_RUNLOCK(inp); 1713 } else { 1714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1715 error = EINVAL; 1716 } 1717 } 1718 if (error == 0) { 1719 *optsize = sizeof(struct sctp_assoc_value); 1720 } 1721 break; 1722 } 1723 case SCTP_PLUGGABLE_CC: 1724 { 1725 struct sctp_assoc_value *av; 1726 1727 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1728 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1729 if (stcb) { 1730 av->assoc_value = stcb->asoc.congestion_control_module; 1731 SCTP_TCB_UNLOCK(stcb); 1732 } else { 1733 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1734 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1735 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1736 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1737 SCTP_INP_RLOCK(inp); 1738 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1739 SCTP_INP_RUNLOCK(inp); 1740 } else { 1741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1742 error = EINVAL; 1743 } 1744 } 1745 if (error == 0) { 1746 *optsize = sizeof(struct sctp_assoc_value); 1747 } 1748 break; 1749 } 1750 case SCTP_CC_OPTION: 1751 { 1752 struct sctp_cc_option *cc_opt; 1753 1754 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1755 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1756 if (stcb == NULL) { 1757 error = EINVAL; 1758 } else { 1759 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1760 error = ENOTSUP; 1761 } else { 1762 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1763 *optsize = sizeof(struct sctp_cc_option); 1764 } 1765 SCTP_TCB_UNLOCK(stcb); 1766 } 1767 break; 1768 } 1769 case SCTP_PLUGGABLE_SS: 1770 { 1771 struct sctp_assoc_value *av; 1772 1773 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1774 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1775 if (stcb) { 1776 av->assoc_value = stcb->asoc.stream_scheduling_module; 1777 SCTP_TCB_UNLOCK(stcb); 1778 } else { 1779 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1780 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1781 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1782 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1783 SCTP_INP_RLOCK(inp); 1784 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1785 SCTP_INP_RUNLOCK(inp); 1786 } else { 1787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1788 error = EINVAL; 1789 } 1790 } 1791 if (error == 0) { 1792 *optsize = sizeof(struct sctp_assoc_value); 1793 } 1794 break; 1795 } 1796 case SCTP_SS_VALUE: 1797 { 1798 struct sctp_stream_value *av; 1799 1800 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1801 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1802 if (stcb) { 1803 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1804 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1805 &av->stream_value) < 0)) { 1806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1807 error = EINVAL; 1808 } else { 1809 *optsize = sizeof(struct sctp_stream_value); 1810 } 1811 SCTP_TCB_UNLOCK(stcb); 1812 } else { 1813 /* 1814 * Can't get stream value without 1815 * association 1816 */ 1817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1818 error = EINVAL; 1819 } 1820 break; 1821 } 1822 case SCTP_GET_ADDR_LEN: 1823 { 1824 struct sctp_assoc_value *av; 1825 1826 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1827 error = EINVAL; 1828 #ifdef INET 1829 if (av->assoc_value == AF_INET) { 1830 av->assoc_value = sizeof(struct sockaddr_in); 1831 error = 0; 1832 } 1833 #endif 1834 #ifdef INET6 1835 if (av->assoc_value == AF_INET6) { 1836 av->assoc_value = sizeof(struct sockaddr_in6); 1837 error = 0; 1838 } 1839 #endif 1840 if (error) { 1841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1842 } else { 1843 *optsize = sizeof(struct sctp_assoc_value); 1844 } 1845 break; 1846 } 1847 case SCTP_GET_ASSOC_NUMBER: 1848 { 1849 uint32_t *value, cnt; 1850 1851 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1852 SCTP_INP_RLOCK(inp); 1853 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1854 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1855 /* Can't do this for a 1-1 socket */ 1856 error = EINVAL; 1857 SCTP_INP_RUNLOCK(inp); 1858 break; 1859 } 1860 cnt = 0; 1861 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1862 cnt++; 1863 } 1864 SCTP_INP_RUNLOCK(inp); 1865 *value = cnt; 1866 *optsize = sizeof(uint32_t); 1867 break; 1868 } 1869 case SCTP_GET_ASSOC_ID_LIST: 1870 { 1871 struct sctp_assoc_ids *ids; 1872 uint32_t at; 1873 size_t limit; 1874 1875 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1876 SCTP_INP_RLOCK(inp); 1877 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1878 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1879 /* Can't do this for a 1-1 socket */ 1880 error = EINVAL; 1881 SCTP_INP_RUNLOCK(inp); 1882 break; 1883 } 1884 at = 0; 1885 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1886 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1887 if (at < limit) { 1888 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1889 if (at == 0) { 1890 error = EINVAL; 1891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1892 break; 1893 } 1894 } else { 1895 error = EINVAL; 1896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1897 break; 1898 } 1899 } 1900 SCTP_INP_RUNLOCK(inp); 1901 if (error == 0) { 1902 ids->gaids_number_of_ids = at; 1903 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1904 } 1905 break; 1906 } 1907 case SCTP_CONTEXT: 1908 { 1909 struct sctp_assoc_value *av; 1910 1911 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1912 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1913 1914 if (stcb) { 1915 av->assoc_value = stcb->asoc.context; 1916 SCTP_TCB_UNLOCK(stcb); 1917 } else { 1918 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1919 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1920 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1921 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1922 SCTP_INP_RLOCK(inp); 1923 av->assoc_value = inp->sctp_context; 1924 SCTP_INP_RUNLOCK(inp); 1925 } else { 1926 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1927 error = EINVAL; 1928 } 1929 } 1930 if (error == 0) { 1931 *optsize = sizeof(struct sctp_assoc_value); 1932 } 1933 break; 1934 } 1935 case SCTP_VRF_ID: 1936 { 1937 uint32_t *default_vrfid; 1938 1939 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1940 *default_vrfid = inp->def_vrf_id; 1941 *optsize = sizeof(uint32_t); 1942 break; 1943 } 1944 case SCTP_GET_ASOC_VRF: 1945 { 1946 struct sctp_assoc_value *id; 1947 1948 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1949 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1950 if (stcb == NULL) { 1951 error = EINVAL; 1952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1953 } else { 1954 id->assoc_value = stcb->asoc.vrf_id; 1955 SCTP_TCB_UNLOCK(stcb); 1956 *optsize = sizeof(struct sctp_assoc_value); 1957 } 1958 break; 1959 } 1960 case SCTP_GET_VRF_IDS: 1961 { 1962 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1963 error = EOPNOTSUPP; 1964 break; 1965 } 1966 case SCTP_GET_NONCE_VALUES: 1967 { 1968 struct sctp_get_nonce_values *gnv; 1969 1970 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1971 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1972 1973 if (stcb) { 1974 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1975 gnv->gn_local_tag = stcb->asoc.my_vtag; 1976 SCTP_TCB_UNLOCK(stcb); 1977 *optsize = sizeof(struct sctp_get_nonce_values); 1978 } else { 1979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1980 error = ENOTCONN; 1981 } 1982 break; 1983 } 1984 case SCTP_DELAYED_SACK: 1985 { 1986 struct sctp_sack_info *sack; 1987 1988 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1989 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1990 if (stcb) { 1991 sack->sack_delay = stcb->asoc.delayed_ack; 1992 sack->sack_freq = stcb->asoc.sack_freq; 1993 SCTP_TCB_UNLOCK(stcb); 1994 } else { 1995 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1996 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1997 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1998 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1999 SCTP_INP_RLOCK(inp); 2000 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2001 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2002 SCTP_INP_RUNLOCK(inp); 2003 } else { 2004 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2005 error = EINVAL; 2006 } 2007 } 2008 if (error == 0) { 2009 *optsize = sizeof(struct sctp_sack_info); 2010 } 2011 break; 2012 } 2013 case SCTP_GET_SNDBUF_USE: 2014 { 2015 struct sctp_sockstat *ss; 2016 2017 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2018 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2019 2020 if (stcb) { 2021 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2022 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2023 stcb->asoc.size_on_all_streams); 2024 SCTP_TCB_UNLOCK(stcb); 2025 *optsize = sizeof(struct sctp_sockstat); 2026 } else { 2027 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2028 error = ENOTCONN; 2029 } 2030 break; 2031 } 2032 case SCTP_MAX_BURST: 2033 { 2034 struct sctp_assoc_value *av; 2035 2036 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2037 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2038 2039 if (stcb) { 2040 av->assoc_value = stcb->asoc.max_burst; 2041 SCTP_TCB_UNLOCK(stcb); 2042 } else { 2043 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2044 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2045 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2046 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2047 SCTP_INP_RLOCK(inp); 2048 av->assoc_value = inp->sctp_ep.max_burst; 2049 SCTP_INP_RUNLOCK(inp); 2050 } else { 2051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2052 error = EINVAL; 2053 } 2054 } 2055 if (error == 0) { 2056 *optsize = sizeof(struct sctp_assoc_value); 2057 } 2058 break; 2059 } 2060 case SCTP_MAXSEG: 2061 { 2062 struct sctp_assoc_value *av; 2063 int ovh; 2064 2065 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2066 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2067 2068 if (stcb) { 2069 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2070 SCTP_TCB_UNLOCK(stcb); 2071 } else { 2072 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2073 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2074 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2075 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2076 SCTP_INP_RLOCK(inp); 2077 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2078 ovh = SCTP_MED_OVERHEAD; 2079 } else { 2080 ovh = SCTP_MED_V4_OVERHEAD; 2081 } 2082 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2083 av->assoc_value = 0; 2084 else 2085 av->assoc_value = inp->sctp_frag_point - ovh; 2086 SCTP_INP_RUNLOCK(inp); 2087 } else { 2088 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2089 error = EINVAL; 2090 } 2091 } 2092 if (error == 0) { 2093 *optsize = sizeof(struct sctp_assoc_value); 2094 } 2095 break; 2096 } 2097 case SCTP_GET_STAT_LOG: 2098 error = sctp_fill_stat_log(optval, optsize); 2099 break; 2100 case SCTP_EVENTS: 2101 { 2102 struct sctp_event_subscribe *events; 2103 2104 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2105 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2106 SCTP_INP_RLOCK(inp); 2107 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2108 events->sctp_data_io_event = 1; 2109 2110 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2111 events->sctp_association_event = 1; 2112 2113 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2114 events->sctp_address_event = 1; 2115 2116 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2117 events->sctp_send_failure_event = 1; 2118 2119 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2120 events->sctp_peer_error_event = 1; 2121 2122 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2123 events->sctp_shutdown_event = 1; 2124 2125 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2126 events->sctp_partial_delivery_event = 1; 2127 2128 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2129 events->sctp_adaptation_layer_event = 1; 2130 2131 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2132 events->sctp_authentication_event = 1; 2133 2134 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2135 events->sctp_sender_dry_event = 1; 2136 2137 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2138 events->sctp_stream_reset_event = 1; 2139 SCTP_INP_RUNLOCK(inp); 2140 *optsize = sizeof(struct sctp_event_subscribe); 2141 break; 2142 } 2143 case SCTP_ADAPTATION_LAYER: 2144 { 2145 uint32_t *value; 2146 2147 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2148 2149 SCTP_INP_RLOCK(inp); 2150 *value = inp->sctp_ep.adaptation_layer_indicator; 2151 SCTP_INP_RUNLOCK(inp); 2152 *optsize = sizeof(uint32_t); 2153 break; 2154 } 2155 case SCTP_SET_INITIAL_DBG_SEQ: 2156 { 2157 uint32_t *value; 2158 2159 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2160 SCTP_INP_RLOCK(inp); 2161 *value = inp->sctp_ep.initial_sequence_debug; 2162 SCTP_INP_RUNLOCK(inp); 2163 *optsize = sizeof(uint32_t); 2164 break; 2165 } 2166 case SCTP_GET_LOCAL_ADDR_SIZE: 2167 { 2168 uint32_t *value; 2169 2170 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2171 SCTP_INP_RLOCK(inp); 2172 *value = sctp_count_max_addresses(inp); 2173 SCTP_INP_RUNLOCK(inp); 2174 *optsize = sizeof(uint32_t); 2175 break; 2176 } 2177 case SCTP_GET_REMOTE_ADDR_SIZE: 2178 { 2179 uint32_t *value; 2180 size_t size; 2181 struct sctp_nets *net; 2182 2183 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2184 /* FIXME MT: change to sctp_assoc_value? */ 2185 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2186 2187 if (stcb) { 2188 size = 0; 2189 /* Count the sizes */ 2190 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2191 switch (net->ro._l_addr.sa.sa_family) { 2192 #ifdef INET 2193 case AF_INET: 2194 #ifdef INET6 2195 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2196 size += sizeof(struct sockaddr_in6); 2197 } else { 2198 size += sizeof(struct sockaddr_in); 2199 } 2200 #else 2201 size += sizeof(struct sockaddr_in); 2202 #endif 2203 break; 2204 #endif 2205 #ifdef INET6 2206 case AF_INET6: 2207 size += sizeof(struct sockaddr_in6); 2208 break; 2209 #endif 2210 default: 2211 break; 2212 } 2213 } 2214 SCTP_TCB_UNLOCK(stcb); 2215 *value = (uint32_t)size; 2216 *optsize = sizeof(uint32_t); 2217 } else { 2218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2219 error = ENOTCONN; 2220 } 2221 break; 2222 } 2223 case SCTP_GET_PEER_ADDRESSES: 2224 /* 2225 * Get the address information, an array is passed in to 2226 * fill up we pack it. 2227 */ 2228 { 2229 size_t cpsz, left; 2230 struct sockaddr_storage *sas; 2231 struct sctp_nets *net; 2232 struct sctp_getaddresses *saddr; 2233 2234 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2235 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2236 2237 if (stcb) { 2238 left = (*optsize) - sizeof(sctp_assoc_t); 2239 *optsize = sizeof(sctp_assoc_t); 2240 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2241 2242 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2243 switch (net->ro._l_addr.sa.sa_family) { 2244 #ifdef INET 2245 case AF_INET: 2246 #ifdef INET6 2247 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2248 cpsz = sizeof(struct sockaddr_in6); 2249 } else { 2250 cpsz = sizeof(struct sockaddr_in); 2251 } 2252 #else 2253 cpsz = sizeof(struct sockaddr_in); 2254 #endif 2255 break; 2256 #endif 2257 #ifdef INET6 2258 case AF_INET6: 2259 cpsz = sizeof(struct sockaddr_in6); 2260 break; 2261 #endif 2262 default: 2263 cpsz = 0; 2264 break; 2265 } 2266 if (cpsz == 0) { 2267 break; 2268 } 2269 if (left < cpsz) { 2270 /* not enough room. */ 2271 break; 2272 } 2273 #if defined(INET) && defined(INET6) 2274 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2275 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2276 /* Must map the address */ 2277 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2278 (struct sockaddr_in6 *)sas); 2279 } else { 2280 memcpy(sas, &net->ro._l_addr, cpsz); 2281 } 2282 #else 2283 memcpy(sas, &net->ro._l_addr, cpsz); 2284 #endif 2285 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2286 2287 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2288 left -= cpsz; 2289 *optsize += cpsz; 2290 } 2291 SCTP_TCB_UNLOCK(stcb); 2292 } else { 2293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2294 error = ENOENT; 2295 } 2296 break; 2297 } 2298 case SCTP_GET_LOCAL_ADDRESSES: 2299 { 2300 size_t limit, actual; 2301 struct sockaddr_storage *sas; 2302 struct sctp_getaddresses *saddr; 2303 2304 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2305 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2306 2307 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2308 limit = *optsize - sizeof(sctp_assoc_t); 2309 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2310 if (stcb) { 2311 SCTP_TCB_UNLOCK(stcb); 2312 } 2313 *optsize = sizeof(sctp_assoc_t) + actual; 2314 break; 2315 } 2316 case SCTP_PEER_ADDR_PARAMS: 2317 { 2318 struct sctp_paddrparams *paddrp; 2319 struct sctp_nets *net; 2320 struct sockaddr *addr; 2321 #if defined(INET) && defined(INET6) 2322 struct sockaddr_in sin_store; 2323 #endif 2324 2325 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2326 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2327 2328 #if defined(INET) && defined(INET6) 2329 if (paddrp->spp_address.ss_family == AF_INET6) { 2330 struct sockaddr_in6 *sin6; 2331 2332 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2333 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2334 in6_sin6_2_sin(&sin_store, sin6); 2335 addr = (struct sockaddr *)&sin_store; 2336 } else { 2337 addr = (struct sockaddr *)&paddrp->spp_address; 2338 } 2339 } else { 2340 addr = (struct sockaddr *)&paddrp->spp_address; 2341 } 2342 #else 2343 addr = (struct sockaddr *)&paddrp->spp_address; 2344 #endif 2345 if (stcb != NULL) { 2346 net = sctp_findnet(stcb, addr); 2347 } else { 2348 /* 2349 * We increment here since 2350 * sctp_findassociation_ep_addr() wil do a 2351 * decrement if it finds the stcb as long as 2352 * the locked tcb (last argument) is NOT a 2353 * TCB.. aka NULL. 2354 */ 2355 net = NULL; 2356 SCTP_INP_INCR_REF(inp); 2357 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2358 if (stcb == NULL) { 2359 SCTP_INP_DECR_REF(inp); 2360 } 2361 } 2362 if ((stcb != NULL) && (net == NULL)) { 2363 #ifdef INET 2364 if (addr->sa_family == AF_INET) { 2365 struct sockaddr_in *sin; 2366 2367 sin = (struct sockaddr_in *)addr; 2368 if (sin->sin_addr.s_addr != INADDR_ANY) { 2369 error = EINVAL; 2370 SCTP_TCB_UNLOCK(stcb); 2371 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2372 break; 2373 } 2374 } else 2375 #endif 2376 #ifdef INET6 2377 if (addr->sa_family == AF_INET6) { 2378 struct sockaddr_in6 *sin6; 2379 2380 sin6 = (struct sockaddr_in6 *)addr; 2381 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2382 error = EINVAL; 2383 SCTP_TCB_UNLOCK(stcb); 2384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2385 break; 2386 } 2387 } else 2388 #endif 2389 { 2390 error = EAFNOSUPPORT; 2391 SCTP_TCB_UNLOCK(stcb); 2392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2393 break; 2394 } 2395 } 2396 2397 if (stcb != NULL) { 2398 /* Applies to the specific association */ 2399 paddrp->spp_flags = 0; 2400 if (net != NULL) { 2401 paddrp->spp_hbinterval = net->heart_beat_delay; 2402 paddrp->spp_pathmaxrxt = net->failure_threshold; 2403 paddrp->spp_pathmtu = net->mtu; 2404 switch (net->ro._l_addr.sa.sa_family) { 2405 #ifdef INET 2406 case AF_INET: 2407 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2408 break; 2409 #endif 2410 #ifdef INET6 2411 case AF_INET6: 2412 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2413 break; 2414 #endif 2415 default: 2416 break; 2417 } 2418 /* get flags for HB */ 2419 if (net->dest_state & SCTP_ADDR_NOHB) { 2420 paddrp->spp_flags |= SPP_HB_DISABLE; 2421 } else { 2422 paddrp->spp_flags |= SPP_HB_ENABLE; 2423 } 2424 /* get flags for PMTU */ 2425 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2426 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2427 } else { 2428 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2429 } 2430 if (net->dscp & 0x01) { 2431 paddrp->spp_dscp = net->dscp & 0xfc; 2432 paddrp->spp_flags |= SPP_DSCP; 2433 } 2434 #ifdef INET6 2435 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2436 (net->flowlabel & 0x80000000)) { 2437 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2438 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2439 } 2440 #endif 2441 } else { 2442 /* 2443 * No destination so return default 2444 * value 2445 */ 2446 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2447 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2448 if (stcb->asoc.default_dscp & 0x01) { 2449 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2450 paddrp->spp_flags |= SPP_DSCP; 2451 } 2452 #ifdef INET6 2453 if (stcb->asoc.default_flowlabel & 0x80000000) { 2454 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2455 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2456 } 2457 #endif 2458 /* default settings should be these */ 2459 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2460 paddrp->spp_flags |= SPP_HB_DISABLE; 2461 } else { 2462 paddrp->spp_flags |= SPP_HB_ENABLE; 2463 } 2464 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2465 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2466 } else { 2467 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2468 } 2469 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2470 } 2471 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2472 SCTP_TCB_UNLOCK(stcb); 2473 } else { 2474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2475 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2476 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2477 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2478 /* Use endpoint defaults */ 2479 SCTP_INP_RLOCK(inp); 2480 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2481 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2482 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2483 /* get inp's default */ 2484 if (inp->sctp_ep.default_dscp & 0x01) { 2485 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2486 paddrp->spp_flags |= SPP_DSCP; 2487 } 2488 #ifdef INET6 2489 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2490 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2491 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2492 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2493 } 2494 #endif 2495 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2496 2497 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2498 paddrp->spp_flags |= SPP_HB_ENABLE; 2499 } else { 2500 paddrp->spp_flags |= SPP_HB_DISABLE; 2501 } 2502 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2503 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2504 } else { 2505 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2506 } 2507 SCTP_INP_RUNLOCK(inp); 2508 } else { 2509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2510 error = EINVAL; 2511 } 2512 } 2513 if (error == 0) { 2514 *optsize = sizeof(struct sctp_paddrparams); 2515 } 2516 break; 2517 } 2518 case SCTP_GET_PEER_ADDR_INFO: 2519 { 2520 struct sctp_paddrinfo *paddri; 2521 struct sctp_nets *net; 2522 struct sockaddr *addr; 2523 #if defined(INET) && defined(INET6) 2524 struct sockaddr_in sin_store; 2525 #endif 2526 2527 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2528 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2529 2530 #if defined(INET) && defined(INET6) 2531 if (paddri->spinfo_address.ss_family == AF_INET6) { 2532 struct sockaddr_in6 *sin6; 2533 2534 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2535 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2536 in6_sin6_2_sin(&sin_store, sin6); 2537 addr = (struct sockaddr *)&sin_store; 2538 } else { 2539 addr = (struct sockaddr *)&paddri->spinfo_address; 2540 } 2541 } else { 2542 addr = (struct sockaddr *)&paddri->spinfo_address; 2543 } 2544 #else 2545 addr = (struct sockaddr *)&paddri->spinfo_address; 2546 #endif 2547 if (stcb != NULL) { 2548 net = sctp_findnet(stcb, addr); 2549 } else { 2550 /* 2551 * We increment here since 2552 * sctp_findassociation_ep_addr() wil do a 2553 * decrement if it finds the stcb as long as 2554 * the locked tcb (last argument) is NOT a 2555 * TCB.. aka NULL. 2556 */ 2557 net = NULL; 2558 SCTP_INP_INCR_REF(inp); 2559 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2560 if (stcb == NULL) { 2561 SCTP_INP_DECR_REF(inp); 2562 } 2563 } 2564 2565 if ((stcb != NULL) && (net != NULL)) { 2566 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2567 /* It's unconfirmed */ 2568 paddri->spinfo_state = SCTP_UNCONFIRMED; 2569 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2570 /* It's active */ 2571 paddri->spinfo_state = SCTP_ACTIVE; 2572 } else { 2573 /* It's inactive */ 2574 paddri->spinfo_state = SCTP_INACTIVE; 2575 } 2576 paddri->spinfo_cwnd = net->cwnd; 2577 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2578 paddri->spinfo_rto = net->RTO; 2579 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2580 paddri->spinfo_mtu = net->mtu; 2581 switch (addr->sa_family) { 2582 #if defined(INET) 2583 case AF_INET: 2584 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2585 break; 2586 #endif 2587 #if defined(INET6) 2588 case AF_INET6: 2589 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2590 break; 2591 #endif 2592 default: 2593 break; 2594 } 2595 SCTP_TCB_UNLOCK(stcb); 2596 *optsize = sizeof(struct sctp_paddrinfo); 2597 } else { 2598 if (stcb != NULL) { 2599 SCTP_TCB_UNLOCK(stcb); 2600 } 2601 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2602 error = ENOENT; 2603 } 2604 break; 2605 } 2606 case SCTP_PCB_STATUS: 2607 { 2608 struct sctp_pcbinfo *spcb; 2609 2610 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2611 sctp_fill_pcbinfo(spcb); 2612 *optsize = sizeof(struct sctp_pcbinfo); 2613 break; 2614 } 2615 case SCTP_STATUS: 2616 { 2617 struct sctp_nets *net; 2618 struct sctp_status *sstat; 2619 2620 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2621 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2622 2623 if (stcb == NULL) { 2624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2625 error = EINVAL; 2626 break; 2627 } 2628 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2629 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2630 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2631 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2632 /* 2633 * We can't include chunks that have been passed to 2634 * the socket layer. Only things in queue. 2635 */ 2636 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2637 stcb->asoc.cnt_on_all_streams); 2638 2639 2640 sstat->sstat_instrms = stcb->asoc.streamincnt; 2641 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2642 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2643 net = stcb->asoc.primary_destination; 2644 if (net != NULL) { 2645 memcpy(&sstat->sstat_primary.spinfo_address, 2646 &net->ro._l_addr, 2647 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2648 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2649 /* 2650 * Again the user can get info from 2651 * sctp_constants.h for what the state of 2652 * the network is. 2653 */ 2654 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2655 /* It's unconfirmed */ 2656 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2657 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2658 /* It's active */ 2659 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2660 } else { 2661 /* It's inactive */ 2662 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2663 } 2664 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2665 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2666 sstat->sstat_primary.spinfo_rto = net->RTO; 2667 sstat->sstat_primary.spinfo_mtu = net->mtu; 2668 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2669 #if defined(INET) 2670 case AF_INET: 2671 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2672 break; 2673 #endif 2674 #if defined(INET6) 2675 case AF_INET6: 2676 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2677 break; 2678 #endif 2679 default: 2680 break; 2681 } 2682 } else { 2683 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2684 } 2685 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2686 SCTP_TCB_UNLOCK(stcb); 2687 *optsize = sizeof(struct sctp_status); 2688 break; 2689 } 2690 case SCTP_RTOINFO: 2691 { 2692 struct sctp_rtoinfo *srto; 2693 2694 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2695 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2696 2697 if (stcb) { 2698 srto->srto_initial = stcb->asoc.initial_rto; 2699 srto->srto_max = stcb->asoc.maxrto; 2700 srto->srto_min = stcb->asoc.minrto; 2701 SCTP_TCB_UNLOCK(stcb); 2702 } else { 2703 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2704 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2705 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2706 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2707 SCTP_INP_RLOCK(inp); 2708 srto->srto_initial = inp->sctp_ep.initial_rto; 2709 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2710 srto->srto_min = inp->sctp_ep.sctp_minrto; 2711 SCTP_INP_RUNLOCK(inp); 2712 } else { 2713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2714 error = EINVAL; 2715 } 2716 } 2717 if (error == 0) { 2718 *optsize = sizeof(struct sctp_rtoinfo); 2719 } 2720 break; 2721 } 2722 case SCTP_TIMEOUTS: 2723 { 2724 struct sctp_timeouts *stimo; 2725 2726 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2727 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2728 2729 if (stcb) { 2730 stimo->stimo_init = stcb->asoc.timoinit; 2731 stimo->stimo_data = stcb->asoc.timodata; 2732 stimo->stimo_sack = stcb->asoc.timosack; 2733 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2734 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2735 stimo->stimo_cookie = stcb->asoc.timocookie; 2736 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2737 SCTP_TCB_UNLOCK(stcb); 2738 *optsize = sizeof(struct sctp_timeouts); 2739 } else { 2740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2741 error = EINVAL; 2742 } 2743 break; 2744 } 2745 case SCTP_ASSOCINFO: 2746 { 2747 struct sctp_assocparams *sasoc; 2748 2749 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2750 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2751 2752 if (stcb) { 2753 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2754 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2755 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2756 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2757 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2758 SCTP_TCB_UNLOCK(stcb); 2759 } else { 2760 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2761 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2762 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2763 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2764 SCTP_INP_RLOCK(inp); 2765 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2766 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2767 sasoc->sasoc_number_peer_destinations = 0; 2768 sasoc->sasoc_peer_rwnd = 0; 2769 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2770 SCTP_INP_RUNLOCK(inp); 2771 } else { 2772 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2773 error = EINVAL; 2774 } 2775 } 2776 if (error == 0) { 2777 *optsize = sizeof(struct sctp_assocparams); 2778 } 2779 break; 2780 } 2781 case SCTP_DEFAULT_SEND_PARAM: 2782 { 2783 struct sctp_sndrcvinfo *s_info; 2784 2785 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2786 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2787 2788 if (stcb) { 2789 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2790 SCTP_TCB_UNLOCK(stcb); 2791 } else { 2792 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2793 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2794 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2795 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2796 SCTP_INP_RLOCK(inp); 2797 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2798 SCTP_INP_RUNLOCK(inp); 2799 } else { 2800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2801 error = EINVAL; 2802 } 2803 } 2804 if (error == 0) { 2805 *optsize = sizeof(struct sctp_sndrcvinfo); 2806 } 2807 break; 2808 } 2809 case SCTP_INITMSG: 2810 { 2811 struct sctp_initmsg *sinit; 2812 2813 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2814 SCTP_INP_RLOCK(inp); 2815 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2816 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2817 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2818 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2819 SCTP_INP_RUNLOCK(inp); 2820 *optsize = sizeof(struct sctp_initmsg); 2821 break; 2822 } 2823 case SCTP_PRIMARY_ADDR: 2824 /* we allow a "get" operation on this */ 2825 { 2826 struct sctp_setprim *ssp; 2827 2828 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2829 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2830 2831 if (stcb) { 2832 union sctp_sockstore *addr; 2833 2834 addr = &stcb->asoc.primary_destination->ro._l_addr; 2835 switch (addr->sa.sa_family) { 2836 #ifdef INET 2837 case AF_INET: 2838 #ifdef INET6 2839 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2840 in6_sin_2_v4mapsin6(&addr->sin, 2841 (struct sockaddr_in6 *)&ssp->ssp_addr); 2842 } else { 2843 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2844 } 2845 #else 2846 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2847 #endif 2848 break; 2849 #endif 2850 #ifdef INET6 2851 case AF_INET6: 2852 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2853 break; 2854 #endif 2855 default: 2856 break; 2857 } 2858 SCTP_TCB_UNLOCK(stcb); 2859 *optsize = sizeof(struct sctp_setprim); 2860 } else { 2861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2862 error = EINVAL; 2863 } 2864 break; 2865 } 2866 case SCTP_HMAC_IDENT: 2867 { 2868 struct sctp_hmacalgo *shmac; 2869 sctp_hmaclist_t *hmaclist; 2870 uint32_t size; 2871 int i; 2872 2873 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2874 2875 SCTP_INP_RLOCK(inp); 2876 hmaclist = inp->sctp_ep.local_hmacs; 2877 if (hmaclist == NULL) { 2878 /* no HMACs to return */ 2879 *optsize = sizeof(*shmac); 2880 SCTP_INP_RUNLOCK(inp); 2881 break; 2882 } 2883 /* is there room for all of the hmac ids? */ 2884 size = sizeof(*shmac) + (hmaclist->num_algo * 2885 sizeof(shmac->shmac_idents[0])); 2886 if ((size_t)(*optsize) < size) { 2887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2888 error = EINVAL; 2889 SCTP_INP_RUNLOCK(inp); 2890 break; 2891 } 2892 /* copy in the list */ 2893 shmac->shmac_number_of_idents = hmaclist->num_algo; 2894 for (i = 0; i < hmaclist->num_algo; i++) { 2895 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2896 } 2897 SCTP_INP_RUNLOCK(inp); 2898 *optsize = size; 2899 break; 2900 } 2901 case SCTP_AUTH_ACTIVE_KEY: 2902 { 2903 struct sctp_authkeyid *scact; 2904 2905 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2906 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2907 2908 if (stcb) { 2909 /* get the active key on the assoc */ 2910 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2911 SCTP_TCB_UNLOCK(stcb); 2912 } else { 2913 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2914 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2915 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2916 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2917 /* get the endpoint active key */ 2918 SCTP_INP_RLOCK(inp); 2919 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2920 SCTP_INP_RUNLOCK(inp); 2921 } else { 2922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2923 error = EINVAL; 2924 } 2925 } 2926 if (error == 0) { 2927 *optsize = sizeof(struct sctp_authkeyid); 2928 } 2929 break; 2930 } 2931 case SCTP_LOCAL_AUTH_CHUNKS: 2932 { 2933 struct sctp_authchunks *sac; 2934 sctp_auth_chklist_t *chklist = NULL; 2935 size_t size = 0; 2936 2937 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2938 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2939 2940 if (stcb) { 2941 /* get off the assoc */ 2942 chklist = stcb->asoc.local_auth_chunks; 2943 /* is there enough space? */ 2944 size = sctp_auth_get_chklist_size(chklist); 2945 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2946 error = EINVAL; 2947 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2948 } else { 2949 /* copy in the chunks */ 2950 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2951 sac->gauth_number_of_chunks = (uint32_t)size; 2952 *optsize = sizeof(struct sctp_authchunks) + size; 2953 } 2954 SCTP_TCB_UNLOCK(stcb); 2955 } else { 2956 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2957 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2958 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2959 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2960 /* get off the endpoint */ 2961 SCTP_INP_RLOCK(inp); 2962 chklist = inp->sctp_ep.local_auth_chunks; 2963 /* is there enough space? */ 2964 size = sctp_auth_get_chklist_size(chklist); 2965 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2966 error = EINVAL; 2967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2968 } else { 2969 /* copy in the chunks */ 2970 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2971 sac->gauth_number_of_chunks = (uint32_t)size; 2972 *optsize = sizeof(struct sctp_authchunks) + size; 2973 } 2974 SCTP_INP_RUNLOCK(inp); 2975 } else { 2976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2977 error = EINVAL; 2978 } 2979 } 2980 break; 2981 } 2982 case SCTP_PEER_AUTH_CHUNKS: 2983 { 2984 struct sctp_authchunks *sac; 2985 sctp_auth_chklist_t *chklist = NULL; 2986 size_t size = 0; 2987 2988 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2989 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2990 2991 if (stcb) { 2992 /* get off the assoc */ 2993 chklist = stcb->asoc.peer_auth_chunks; 2994 /* is there enough space? */ 2995 size = sctp_auth_get_chklist_size(chklist); 2996 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2997 error = EINVAL; 2998 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2999 } else { 3000 /* copy in the chunks */ 3001 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3002 sac->gauth_number_of_chunks = (uint32_t)size; 3003 *optsize = sizeof(struct sctp_authchunks) + size; 3004 } 3005 SCTP_TCB_UNLOCK(stcb); 3006 } else { 3007 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3008 error = ENOENT; 3009 } 3010 break; 3011 } 3012 case SCTP_EVENT: 3013 { 3014 struct sctp_event *event; 3015 uint32_t event_type; 3016 3017 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3018 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3019 3020 switch (event->se_type) { 3021 case SCTP_ASSOC_CHANGE: 3022 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3023 break; 3024 case SCTP_PEER_ADDR_CHANGE: 3025 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3026 break; 3027 case SCTP_REMOTE_ERROR: 3028 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3029 break; 3030 case SCTP_SEND_FAILED: 3031 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3032 break; 3033 case SCTP_SHUTDOWN_EVENT: 3034 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3035 break; 3036 case SCTP_ADAPTATION_INDICATION: 3037 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3038 break; 3039 case SCTP_PARTIAL_DELIVERY_EVENT: 3040 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3041 break; 3042 case SCTP_AUTHENTICATION_EVENT: 3043 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3044 break; 3045 case SCTP_STREAM_RESET_EVENT: 3046 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3047 break; 3048 case SCTP_SENDER_DRY_EVENT: 3049 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3050 break; 3051 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3052 event_type = 0; 3053 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3054 error = ENOTSUP; 3055 break; 3056 case SCTP_ASSOC_RESET_EVENT: 3057 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3058 break; 3059 case SCTP_STREAM_CHANGE_EVENT: 3060 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3061 break; 3062 case SCTP_SEND_FAILED_EVENT: 3063 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3064 break; 3065 default: 3066 event_type = 0; 3067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3068 error = EINVAL; 3069 break; 3070 } 3071 if (event_type > 0) { 3072 if (stcb) { 3073 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3074 } else { 3075 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3076 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3077 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3078 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3079 SCTP_INP_RLOCK(inp); 3080 event->se_on = sctp_is_feature_on(inp, event_type); 3081 SCTP_INP_RUNLOCK(inp); 3082 } else { 3083 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3084 error = EINVAL; 3085 } 3086 } 3087 } 3088 if (stcb != NULL) { 3089 SCTP_TCB_UNLOCK(stcb); 3090 } 3091 if (error == 0) { 3092 *optsize = sizeof(struct sctp_event); 3093 } 3094 break; 3095 } 3096 case SCTP_RECVRCVINFO: 3097 { 3098 int onoff; 3099 3100 if (*optsize < sizeof(int)) { 3101 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3102 error = EINVAL; 3103 } else { 3104 SCTP_INP_RLOCK(inp); 3105 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3106 SCTP_INP_RUNLOCK(inp); 3107 } 3108 if (error == 0) { 3109 /* return the option value */ 3110 *(int *)optval = onoff; 3111 *optsize = sizeof(int); 3112 } 3113 break; 3114 } 3115 case SCTP_RECVNXTINFO: 3116 { 3117 int onoff; 3118 3119 if (*optsize < sizeof(int)) { 3120 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3121 error = EINVAL; 3122 } else { 3123 SCTP_INP_RLOCK(inp); 3124 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3125 SCTP_INP_RUNLOCK(inp); 3126 } 3127 if (error == 0) { 3128 /* return the option value */ 3129 *(int *)optval = onoff; 3130 *optsize = sizeof(int); 3131 } 3132 break; 3133 } 3134 case SCTP_DEFAULT_SNDINFO: 3135 { 3136 struct sctp_sndinfo *info; 3137 3138 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3139 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3140 3141 if (stcb) { 3142 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3143 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3144 info->snd_flags &= 0xfff0; 3145 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3146 info->snd_context = stcb->asoc.def_send.sinfo_context; 3147 SCTP_TCB_UNLOCK(stcb); 3148 } else { 3149 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3150 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3151 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3152 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3153 SCTP_INP_RLOCK(inp); 3154 info->snd_sid = inp->def_send.sinfo_stream; 3155 info->snd_flags = inp->def_send.sinfo_flags; 3156 info->snd_flags &= 0xfff0; 3157 info->snd_ppid = inp->def_send.sinfo_ppid; 3158 info->snd_context = inp->def_send.sinfo_context; 3159 SCTP_INP_RUNLOCK(inp); 3160 } else { 3161 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3162 error = EINVAL; 3163 } 3164 } 3165 if (error == 0) { 3166 *optsize = sizeof(struct sctp_sndinfo); 3167 } 3168 break; 3169 } 3170 case SCTP_DEFAULT_PRINFO: 3171 { 3172 struct sctp_default_prinfo *info; 3173 3174 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3175 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3176 3177 if (stcb) { 3178 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3179 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3180 SCTP_TCB_UNLOCK(stcb); 3181 } else { 3182 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3183 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3184 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3185 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3186 SCTP_INP_RLOCK(inp); 3187 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3188 info->pr_value = inp->def_send.sinfo_timetolive; 3189 SCTP_INP_RUNLOCK(inp); 3190 } else { 3191 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3192 error = EINVAL; 3193 } 3194 } 3195 if (error == 0) { 3196 *optsize = sizeof(struct sctp_default_prinfo); 3197 } 3198 break; 3199 } 3200 case SCTP_PEER_ADDR_THLDS: 3201 { 3202 struct sctp_paddrthlds *thlds; 3203 struct sctp_nets *net; 3204 struct sockaddr *addr; 3205 #if defined(INET) && defined(INET6) 3206 struct sockaddr_in sin_store; 3207 #endif 3208 3209 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3210 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3211 3212 #if defined(INET) && defined(INET6) 3213 if (thlds->spt_address.ss_family == AF_INET6) { 3214 struct sockaddr_in6 *sin6; 3215 3216 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3217 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3218 in6_sin6_2_sin(&sin_store, sin6); 3219 addr = (struct sockaddr *)&sin_store; 3220 } else { 3221 addr = (struct sockaddr *)&thlds->spt_address; 3222 } 3223 } else { 3224 addr = (struct sockaddr *)&thlds->spt_address; 3225 } 3226 #else 3227 addr = (struct sockaddr *)&thlds->spt_address; 3228 #endif 3229 if (stcb != NULL) { 3230 net = sctp_findnet(stcb, addr); 3231 } else { 3232 /* 3233 * We increment here since 3234 * sctp_findassociation_ep_addr() wil do a 3235 * decrement if it finds the stcb as long as 3236 * the locked tcb (last argument) is NOT a 3237 * TCB.. aka NULL. 3238 */ 3239 net = NULL; 3240 SCTP_INP_INCR_REF(inp); 3241 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3242 if (stcb == NULL) { 3243 SCTP_INP_DECR_REF(inp); 3244 } 3245 } 3246 if ((stcb != NULL) && (net == NULL)) { 3247 #ifdef INET 3248 if (addr->sa_family == AF_INET) { 3249 struct sockaddr_in *sin; 3250 3251 sin = (struct sockaddr_in *)addr; 3252 if (sin->sin_addr.s_addr != INADDR_ANY) { 3253 error = EINVAL; 3254 SCTP_TCB_UNLOCK(stcb); 3255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3256 break; 3257 } 3258 } else 3259 #endif 3260 #ifdef INET6 3261 if (addr->sa_family == AF_INET6) { 3262 struct sockaddr_in6 *sin6; 3263 3264 sin6 = (struct sockaddr_in6 *)addr; 3265 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3266 error = EINVAL; 3267 SCTP_TCB_UNLOCK(stcb); 3268 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3269 break; 3270 } 3271 } else 3272 #endif 3273 { 3274 error = EAFNOSUPPORT; 3275 SCTP_TCB_UNLOCK(stcb); 3276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3277 break; 3278 } 3279 } 3280 3281 if (stcb != NULL) { 3282 if (net != NULL) { 3283 thlds->spt_pathmaxrxt = net->failure_threshold; 3284 thlds->spt_pathpfthld = net->pf_threshold; 3285 thlds->spt_pathcpthld = 0xffff; 3286 } else { 3287 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3288 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3289 thlds->spt_pathcpthld = 0xffff; 3290 } 3291 thlds->spt_assoc_id = sctp_get_associd(stcb); 3292 SCTP_TCB_UNLOCK(stcb); 3293 } else { 3294 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3295 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3296 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3297 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3298 /* Use endpoint defaults */ 3299 SCTP_INP_RLOCK(inp); 3300 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3301 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3302 thlds->spt_pathcpthld = 0xffff; 3303 SCTP_INP_RUNLOCK(inp); 3304 } else { 3305 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3306 error = EINVAL; 3307 } 3308 } 3309 if (error == 0) { 3310 *optsize = sizeof(struct sctp_paddrthlds); 3311 } 3312 break; 3313 } 3314 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3315 { 3316 struct sctp_udpencaps *encaps; 3317 struct sctp_nets *net; 3318 struct sockaddr *addr; 3319 #if defined(INET) && defined(INET6) 3320 struct sockaddr_in sin_store; 3321 #endif 3322 3323 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3324 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3325 3326 #if defined(INET) && defined(INET6) 3327 if (encaps->sue_address.ss_family == AF_INET6) { 3328 struct sockaddr_in6 *sin6; 3329 3330 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3331 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3332 in6_sin6_2_sin(&sin_store, sin6); 3333 addr = (struct sockaddr *)&sin_store; 3334 } else { 3335 addr = (struct sockaddr *)&encaps->sue_address; 3336 } 3337 } else { 3338 addr = (struct sockaddr *)&encaps->sue_address; 3339 } 3340 #else 3341 addr = (struct sockaddr *)&encaps->sue_address; 3342 #endif 3343 if (stcb) { 3344 net = sctp_findnet(stcb, addr); 3345 } else { 3346 /* 3347 * We increment here since 3348 * sctp_findassociation_ep_addr() wil do a 3349 * decrement if it finds the stcb as long as 3350 * the locked tcb (last argument) is NOT a 3351 * TCB.. aka NULL. 3352 */ 3353 net = NULL; 3354 SCTP_INP_INCR_REF(inp); 3355 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3356 if (stcb == NULL) { 3357 SCTP_INP_DECR_REF(inp); 3358 } 3359 } 3360 if ((stcb != NULL) && (net == NULL)) { 3361 #ifdef INET 3362 if (addr->sa_family == AF_INET) { 3363 struct sockaddr_in *sin; 3364 3365 sin = (struct sockaddr_in *)addr; 3366 if (sin->sin_addr.s_addr != INADDR_ANY) { 3367 error = EINVAL; 3368 SCTP_TCB_UNLOCK(stcb); 3369 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3370 break; 3371 } 3372 } else 3373 #endif 3374 #ifdef INET6 3375 if (addr->sa_family == AF_INET6) { 3376 struct sockaddr_in6 *sin6; 3377 3378 sin6 = (struct sockaddr_in6 *)addr; 3379 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3380 error = EINVAL; 3381 SCTP_TCB_UNLOCK(stcb); 3382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3383 break; 3384 } 3385 } else 3386 #endif 3387 { 3388 error = EAFNOSUPPORT; 3389 SCTP_TCB_UNLOCK(stcb); 3390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3391 break; 3392 } 3393 } 3394 3395 if (stcb != NULL) { 3396 if (net) { 3397 encaps->sue_port = net->port; 3398 } else { 3399 encaps->sue_port = stcb->asoc.port; 3400 } 3401 SCTP_TCB_UNLOCK(stcb); 3402 } else { 3403 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3404 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3405 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3406 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3407 SCTP_INP_RLOCK(inp); 3408 encaps->sue_port = inp->sctp_ep.port; 3409 SCTP_INP_RUNLOCK(inp); 3410 } else { 3411 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3412 error = EINVAL; 3413 } 3414 } 3415 if (error == 0) { 3416 *optsize = sizeof(struct sctp_udpencaps); 3417 } 3418 break; 3419 } 3420 case SCTP_ECN_SUPPORTED: 3421 { 3422 struct sctp_assoc_value *av; 3423 3424 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3425 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3426 3427 if (stcb) { 3428 av->assoc_value = stcb->asoc.ecn_supported; 3429 SCTP_TCB_UNLOCK(stcb); 3430 } else { 3431 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3432 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3433 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3434 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3435 SCTP_INP_RLOCK(inp); 3436 av->assoc_value = inp->ecn_supported; 3437 SCTP_INP_RUNLOCK(inp); 3438 } else { 3439 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3440 error = EINVAL; 3441 } 3442 } 3443 if (error == 0) { 3444 *optsize = sizeof(struct sctp_assoc_value); 3445 } 3446 break; 3447 } 3448 case SCTP_PR_SUPPORTED: 3449 { 3450 struct sctp_assoc_value *av; 3451 3452 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3453 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3454 3455 if (stcb) { 3456 av->assoc_value = stcb->asoc.prsctp_supported; 3457 SCTP_TCB_UNLOCK(stcb); 3458 } else { 3459 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3460 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3461 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3462 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3463 SCTP_INP_RLOCK(inp); 3464 av->assoc_value = inp->prsctp_supported; 3465 SCTP_INP_RUNLOCK(inp); 3466 } else { 3467 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3468 error = EINVAL; 3469 } 3470 } 3471 if (error == 0) { 3472 *optsize = sizeof(struct sctp_assoc_value); 3473 } 3474 break; 3475 } 3476 case SCTP_AUTH_SUPPORTED: 3477 { 3478 struct sctp_assoc_value *av; 3479 3480 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3481 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3482 3483 if (stcb) { 3484 av->assoc_value = stcb->asoc.auth_supported; 3485 SCTP_TCB_UNLOCK(stcb); 3486 } else { 3487 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3488 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3489 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3490 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3491 SCTP_INP_RLOCK(inp); 3492 av->assoc_value = inp->auth_supported; 3493 SCTP_INP_RUNLOCK(inp); 3494 } else { 3495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3496 error = EINVAL; 3497 } 3498 } 3499 if (error == 0) { 3500 *optsize = sizeof(struct sctp_assoc_value); 3501 } 3502 break; 3503 } 3504 case SCTP_ASCONF_SUPPORTED: 3505 { 3506 struct sctp_assoc_value *av; 3507 3508 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3509 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3510 3511 if (stcb) { 3512 av->assoc_value = stcb->asoc.asconf_supported; 3513 SCTP_TCB_UNLOCK(stcb); 3514 } else { 3515 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3516 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3517 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3518 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3519 SCTP_INP_RLOCK(inp); 3520 av->assoc_value = inp->asconf_supported; 3521 SCTP_INP_RUNLOCK(inp); 3522 } else { 3523 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3524 error = EINVAL; 3525 } 3526 } 3527 if (error == 0) { 3528 *optsize = sizeof(struct sctp_assoc_value); 3529 } 3530 break; 3531 } 3532 case SCTP_RECONFIG_SUPPORTED: 3533 { 3534 struct sctp_assoc_value *av; 3535 3536 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3537 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3538 3539 if (stcb) { 3540 av->assoc_value = stcb->asoc.reconfig_supported; 3541 SCTP_TCB_UNLOCK(stcb); 3542 } else { 3543 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3544 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3545 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3546 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3547 SCTP_INP_RLOCK(inp); 3548 av->assoc_value = inp->reconfig_supported; 3549 SCTP_INP_RUNLOCK(inp); 3550 } else { 3551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3552 error = EINVAL; 3553 } 3554 } 3555 if (error == 0) { 3556 *optsize = sizeof(struct sctp_assoc_value); 3557 } 3558 break; 3559 } 3560 case SCTP_NRSACK_SUPPORTED: 3561 { 3562 struct sctp_assoc_value *av; 3563 3564 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3565 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3566 3567 if (stcb) { 3568 av->assoc_value = stcb->asoc.nrsack_supported; 3569 SCTP_TCB_UNLOCK(stcb); 3570 } else { 3571 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3572 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3573 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3574 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3575 SCTP_INP_RLOCK(inp); 3576 av->assoc_value = inp->nrsack_supported; 3577 SCTP_INP_RUNLOCK(inp); 3578 } else { 3579 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3580 error = EINVAL; 3581 } 3582 } 3583 if (error == 0) { 3584 *optsize = sizeof(struct sctp_assoc_value); 3585 } 3586 break; 3587 } 3588 case SCTP_PKTDROP_SUPPORTED: 3589 { 3590 struct sctp_assoc_value *av; 3591 3592 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3593 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3594 3595 if (stcb) { 3596 av->assoc_value = stcb->asoc.pktdrop_supported; 3597 SCTP_TCB_UNLOCK(stcb); 3598 } else { 3599 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3600 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3601 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3602 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3603 SCTP_INP_RLOCK(inp); 3604 av->assoc_value = inp->pktdrop_supported; 3605 SCTP_INP_RUNLOCK(inp); 3606 } else { 3607 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3608 error = EINVAL; 3609 } 3610 } 3611 if (error == 0) { 3612 *optsize = sizeof(struct sctp_assoc_value); 3613 } 3614 break; 3615 } 3616 case SCTP_ENABLE_STREAM_RESET: 3617 { 3618 struct sctp_assoc_value *av; 3619 3620 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3621 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3622 3623 if (stcb) { 3624 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3625 SCTP_TCB_UNLOCK(stcb); 3626 } else { 3627 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3628 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3629 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3630 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3631 SCTP_INP_RLOCK(inp); 3632 av->assoc_value = (uint32_t)inp->local_strreset_support; 3633 SCTP_INP_RUNLOCK(inp); 3634 } else { 3635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3636 error = EINVAL; 3637 } 3638 } 3639 if (error == 0) { 3640 *optsize = sizeof(struct sctp_assoc_value); 3641 } 3642 break; 3643 } 3644 case SCTP_PR_STREAM_STATUS: 3645 { 3646 struct sctp_prstatus *sprstat; 3647 uint16_t sid; 3648 uint16_t policy; 3649 3650 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3651 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3652 3653 sid = sprstat->sprstat_sid; 3654 policy = sprstat->sprstat_policy; 3655 #if defined(SCTP_DETAILED_STR_STATS) 3656 if ((stcb != NULL) && 3657 (sid < stcb->asoc.streamoutcnt) && 3658 (policy != SCTP_PR_SCTP_NONE) && 3659 ((policy <= SCTP_PR_SCTP_MAX) || 3660 (policy == SCTP_PR_SCTP_ALL))) { 3661 if (policy == SCTP_PR_SCTP_ALL) { 3662 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3663 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3664 } else { 3665 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3666 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3667 } 3668 #else 3669 if ((stcb != NULL) && 3670 (sid < stcb->asoc.streamoutcnt) && 3671 (policy == SCTP_PR_SCTP_ALL)) { 3672 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3673 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3674 #endif 3675 } else { 3676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3677 error = EINVAL; 3678 } 3679 if (stcb != NULL) { 3680 SCTP_TCB_UNLOCK(stcb); 3681 } 3682 if (error == 0) { 3683 *optsize = sizeof(struct sctp_prstatus); 3684 } 3685 break; 3686 } 3687 case SCTP_PR_ASSOC_STATUS: 3688 { 3689 struct sctp_prstatus *sprstat; 3690 uint16_t policy; 3691 3692 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3693 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3694 3695 policy = sprstat->sprstat_policy; 3696 if ((stcb != NULL) && 3697 (policy != SCTP_PR_SCTP_NONE) && 3698 ((policy <= SCTP_PR_SCTP_MAX) || 3699 (policy == SCTP_PR_SCTP_ALL))) { 3700 if (policy == SCTP_PR_SCTP_ALL) { 3701 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3702 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3703 } else { 3704 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3705 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3706 } 3707 } else { 3708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3709 error = EINVAL; 3710 } 3711 if (stcb != NULL) { 3712 SCTP_TCB_UNLOCK(stcb); 3713 } 3714 if (error == 0) { 3715 *optsize = sizeof(struct sctp_prstatus); 3716 } 3717 break; 3718 } 3719 case SCTP_MAX_CWND: 3720 { 3721 struct sctp_assoc_value *av; 3722 3723 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3724 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3725 3726 if (stcb) { 3727 av->assoc_value = stcb->asoc.max_cwnd; 3728 SCTP_TCB_UNLOCK(stcb); 3729 } else { 3730 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3731 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3732 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3733 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3734 SCTP_INP_RLOCK(inp); 3735 av->assoc_value = inp->max_cwnd; 3736 SCTP_INP_RUNLOCK(inp); 3737 } else { 3738 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3739 error = EINVAL; 3740 } 3741 } 3742 if (error == 0) { 3743 *optsize = sizeof(struct sctp_assoc_value); 3744 } 3745 break; 3746 } 3747 default: 3748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3749 error = ENOPROTOOPT; 3750 break; 3751 } /* end switch (sopt->sopt_name) */ 3752 if (error) { 3753 *optsize = 0; 3754 } 3755 return (error); 3756 } 3757 3758 static int 3759 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3760 void *p) 3761 { 3762 int error, set_opt; 3763 uint32_t *mopt; 3764 struct sctp_tcb *stcb = NULL; 3765 struct sctp_inpcb *inp = NULL; 3766 uint32_t vrf_id; 3767 3768 if (optval == NULL) { 3769 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3770 return (EINVAL); 3771 } 3772 inp = (struct sctp_inpcb *)so->so_pcb; 3773 if (inp == NULL) { 3774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3775 return (EINVAL); 3776 } 3777 vrf_id = inp->def_vrf_id; 3778 3779 error = 0; 3780 switch (optname) { 3781 case SCTP_NODELAY: 3782 case SCTP_AUTOCLOSE: 3783 case SCTP_AUTO_ASCONF: 3784 case SCTP_EXPLICIT_EOR: 3785 case SCTP_DISABLE_FRAGMENTS: 3786 case SCTP_USE_EXT_RCVINFO: 3787 case SCTP_I_WANT_MAPPED_V4_ADDR: 3788 /* copy in the option value */ 3789 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3790 set_opt = 0; 3791 if (error) 3792 break; 3793 switch (optname) { 3794 case SCTP_DISABLE_FRAGMENTS: 3795 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3796 break; 3797 case SCTP_AUTO_ASCONF: 3798 /* 3799 * NOTE: we don't really support this flag 3800 */ 3801 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3802 /* only valid for bound all sockets */ 3803 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3804 (*mopt != 0)) { 3805 /* forbidden by admin */ 3806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3807 return (EPERM); 3808 } 3809 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3810 } else { 3811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3812 return (EINVAL); 3813 } 3814 break; 3815 case SCTP_EXPLICIT_EOR: 3816 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3817 break; 3818 case SCTP_USE_EXT_RCVINFO: 3819 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3820 break; 3821 case SCTP_I_WANT_MAPPED_V4_ADDR: 3822 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3823 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3824 } else { 3825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3826 return (EINVAL); 3827 } 3828 break; 3829 case SCTP_NODELAY: 3830 set_opt = SCTP_PCB_FLAGS_NODELAY; 3831 break; 3832 case SCTP_AUTOCLOSE: 3833 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3834 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3835 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3836 return (EINVAL); 3837 } 3838 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3839 /* 3840 * The value is in ticks. Note this does not effect 3841 * old associations, only new ones. 3842 */ 3843 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3844 break; 3845 } 3846 SCTP_INP_WLOCK(inp); 3847 if (*mopt != 0) { 3848 sctp_feature_on(inp, set_opt); 3849 } else { 3850 sctp_feature_off(inp, set_opt); 3851 } 3852 SCTP_INP_WUNLOCK(inp); 3853 break; 3854 case SCTP_REUSE_PORT: 3855 { 3856 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3857 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3858 /* Can't set it after we are bound */ 3859 error = EINVAL; 3860 break; 3861 } 3862 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3863 /* Can't do this for a 1-m socket */ 3864 error = EINVAL; 3865 break; 3866 } 3867 if (optval) 3868 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3869 else 3870 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3871 break; 3872 } 3873 case SCTP_PARTIAL_DELIVERY_POINT: 3874 { 3875 uint32_t *value; 3876 3877 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3878 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3880 error = EINVAL; 3881 break; 3882 } 3883 inp->partial_delivery_point = *value; 3884 break; 3885 } 3886 case SCTP_FRAGMENT_INTERLEAVE: 3887 /* not yet until we re-write sctp_recvmsg() */ 3888 { 3889 uint32_t *level; 3890 3891 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3892 if (*level == SCTP_FRAG_LEVEL_2) { 3893 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3894 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3895 } else if (*level == SCTP_FRAG_LEVEL_1) { 3896 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3897 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3898 } else if (*level == SCTP_FRAG_LEVEL_0) { 3899 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3900 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3901 3902 } else { 3903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3904 error = EINVAL; 3905 } 3906 break; 3907 } 3908 case SCTP_INTERLEAVING_SUPPORTED: 3909 { 3910 struct sctp_assoc_value *av; 3911 3912 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3913 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3914 3915 if (stcb) { 3916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3917 error = EINVAL; 3918 SCTP_TCB_UNLOCK(stcb); 3919 } else { 3920 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3921 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3922 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3923 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3924 SCTP_INP_WLOCK(inp); 3925 if (av->assoc_value == 0) { 3926 inp->idata_supported = 0; 3927 } else { 3928 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3929 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3930 inp->idata_supported = 1; 3931 } else { 3932 /* 3933 * Must have Frag 3934 * interleave and 3935 * stream interleave 3936 * on 3937 */ 3938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3939 error = EINVAL; 3940 } 3941 } 3942 SCTP_INP_WUNLOCK(inp); 3943 } else { 3944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3945 error = EINVAL; 3946 } 3947 } 3948 break; 3949 } 3950 case SCTP_CMT_ON_OFF: 3951 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3952 struct sctp_assoc_value *av; 3953 3954 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3955 if (av->assoc_value > SCTP_CMT_MAX) { 3956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3957 error = EINVAL; 3958 break; 3959 } 3960 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3961 if (stcb) { 3962 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3963 SCTP_TCB_UNLOCK(stcb); 3964 } else { 3965 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3966 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3967 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3968 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3969 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3970 SCTP_INP_WLOCK(inp); 3971 inp->sctp_cmt_on_off = av->assoc_value; 3972 SCTP_INP_WUNLOCK(inp); 3973 } 3974 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3975 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3976 (av->assoc_id == SCTP_ALL_ASSOC))) { 3977 SCTP_INP_RLOCK(inp); 3978 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3979 SCTP_TCB_LOCK(stcb); 3980 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3981 SCTP_TCB_UNLOCK(stcb); 3982 } 3983 SCTP_INP_RUNLOCK(inp); 3984 } 3985 } 3986 } else { 3987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3988 error = ENOPROTOOPT; 3989 } 3990 break; 3991 case SCTP_PLUGGABLE_CC: 3992 { 3993 struct sctp_assoc_value *av; 3994 struct sctp_nets *net; 3995 3996 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3997 if ((av->assoc_value != SCTP_CC_RFC2581) && 3998 (av->assoc_value != SCTP_CC_HSTCP) && 3999 (av->assoc_value != SCTP_CC_HTCP) && 4000 (av->assoc_value != SCTP_CC_RTCC)) { 4001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4002 error = EINVAL; 4003 break; 4004 } 4005 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4006 if (stcb) { 4007 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4008 stcb->asoc.congestion_control_module = av->assoc_value; 4009 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4010 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4011 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4012 } 4013 } 4014 SCTP_TCB_UNLOCK(stcb); 4015 } else { 4016 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4017 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4018 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4019 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4020 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4021 SCTP_INP_WLOCK(inp); 4022 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4023 SCTP_INP_WUNLOCK(inp); 4024 } 4025 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4026 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4027 (av->assoc_id == SCTP_ALL_ASSOC))) { 4028 SCTP_INP_RLOCK(inp); 4029 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4030 SCTP_TCB_LOCK(stcb); 4031 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4032 stcb->asoc.congestion_control_module = av->assoc_value; 4033 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4034 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4035 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4036 } 4037 } 4038 SCTP_TCB_UNLOCK(stcb); 4039 } 4040 SCTP_INP_RUNLOCK(inp); 4041 } 4042 } 4043 break; 4044 } 4045 case SCTP_CC_OPTION: 4046 { 4047 struct sctp_cc_option *cc_opt; 4048 4049 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4050 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4051 if (stcb == NULL) { 4052 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4053 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4054 SCTP_INP_RLOCK(inp); 4055 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4056 SCTP_TCB_LOCK(stcb); 4057 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4058 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4059 } 4060 SCTP_TCB_UNLOCK(stcb); 4061 } 4062 SCTP_INP_RUNLOCK(inp); 4063 } else { 4064 error = EINVAL; 4065 } 4066 } else { 4067 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4068 error = ENOTSUP; 4069 } else { 4070 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4071 cc_opt); 4072 } 4073 SCTP_TCB_UNLOCK(stcb); 4074 } 4075 break; 4076 } 4077 case SCTP_PLUGGABLE_SS: 4078 { 4079 struct sctp_assoc_value *av; 4080 4081 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4082 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4083 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4084 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4085 (av->assoc_value != SCTP_SS_PRIORITY) && 4086 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4087 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4088 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4089 error = EINVAL; 4090 break; 4091 } 4092 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4093 if (stcb) { 4094 SCTP_TCB_SEND_LOCK(stcb); 4095 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4096 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4097 stcb->asoc.stream_scheduling_module = av->assoc_value; 4098 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4099 SCTP_TCB_SEND_UNLOCK(stcb); 4100 SCTP_TCB_UNLOCK(stcb); 4101 } else { 4102 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4103 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4104 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4105 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4106 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4107 SCTP_INP_WLOCK(inp); 4108 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4109 SCTP_INP_WUNLOCK(inp); 4110 } 4111 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4112 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4113 (av->assoc_id == SCTP_ALL_ASSOC))) { 4114 SCTP_INP_RLOCK(inp); 4115 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4116 SCTP_TCB_LOCK(stcb); 4117 SCTP_TCB_SEND_LOCK(stcb); 4118 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4119 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4120 stcb->asoc.stream_scheduling_module = av->assoc_value; 4121 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4122 SCTP_TCB_SEND_UNLOCK(stcb); 4123 SCTP_TCB_UNLOCK(stcb); 4124 } 4125 SCTP_INP_RUNLOCK(inp); 4126 } 4127 } 4128 break; 4129 } 4130 case SCTP_SS_VALUE: 4131 { 4132 struct sctp_stream_value *av; 4133 4134 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4135 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4136 if (stcb) { 4137 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4138 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4139 av->stream_value) < 0)) { 4140 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4141 error = EINVAL; 4142 } 4143 SCTP_TCB_UNLOCK(stcb); 4144 } else { 4145 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4146 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4147 SCTP_INP_RLOCK(inp); 4148 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4149 SCTP_TCB_LOCK(stcb); 4150 if (av->stream_id < stcb->asoc.streamoutcnt) { 4151 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4152 &stcb->asoc, 4153 &stcb->asoc.strmout[av->stream_id], 4154 av->stream_value); 4155 } 4156 SCTP_TCB_UNLOCK(stcb); 4157 } 4158 SCTP_INP_RUNLOCK(inp); 4159 } else { 4160 /* 4161 * Can't set stream value without 4162 * association 4163 */ 4164 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4165 error = EINVAL; 4166 } 4167 } 4168 break; 4169 } 4170 case SCTP_CLR_STAT_LOG: 4171 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4172 error = EOPNOTSUPP; 4173 break; 4174 case SCTP_CONTEXT: 4175 { 4176 struct sctp_assoc_value *av; 4177 4178 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4179 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4180 4181 if (stcb) { 4182 stcb->asoc.context = av->assoc_value; 4183 SCTP_TCB_UNLOCK(stcb); 4184 } else { 4185 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4186 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4187 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4188 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4189 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4190 SCTP_INP_WLOCK(inp); 4191 inp->sctp_context = av->assoc_value; 4192 SCTP_INP_WUNLOCK(inp); 4193 } 4194 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4195 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4196 (av->assoc_id == SCTP_ALL_ASSOC))) { 4197 SCTP_INP_RLOCK(inp); 4198 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4199 SCTP_TCB_LOCK(stcb); 4200 stcb->asoc.context = av->assoc_value; 4201 SCTP_TCB_UNLOCK(stcb); 4202 } 4203 SCTP_INP_RUNLOCK(inp); 4204 } 4205 } 4206 break; 4207 } 4208 case SCTP_VRF_ID: 4209 { 4210 uint32_t *default_vrfid; 4211 4212 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4213 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4214 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4215 error = EINVAL; 4216 break; 4217 } 4218 inp->def_vrf_id = *default_vrfid; 4219 break; 4220 } 4221 case SCTP_DEL_VRF_ID: 4222 { 4223 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4224 error = EOPNOTSUPP; 4225 break; 4226 } 4227 case SCTP_ADD_VRF_ID: 4228 { 4229 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4230 error = EOPNOTSUPP; 4231 break; 4232 } 4233 case SCTP_DELAYED_SACK: 4234 { 4235 struct sctp_sack_info *sack; 4236 4237 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4238 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4239 if (sack->sack_delay) { 4240 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4241 error = EINVAL; 4242 if (stcb != NULL) { 4243 SCTP_TCB_UNLOCK(stcb); 4244 } 4245 break; 4246 } 4247 } 4248 if (stcb) { 4249 if (sack->sack_delay) { 4250 stcb->asoc.delayed_ack = sack->sack_delay; 4251 } 4252 if (sack->sack_freq) { 4253 stcb->asoc.sack_freq = sack->sack_freq; 4254 } 4255 SCTP_TCB_UNLOCK(stcb); 4256 } else { 4257 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4258 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4259 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4260 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4261 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4262 SCTP_INP_WLOCK(inp); 4263 if (sack->sack_delay) { 4264 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4265 } 4266 if (sack->sack_freq) { 4267 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4268 } 4269 SCTP_INP_WUNLOCK(inp); 4270 } 4271 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4272 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4273 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4274 SCTP_INP_RLOCK(inp); 4275 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4276 SCTP_TCB_LOCK(stcb); 4277 if (sack->sack_delay) { 4278 stcb->asoc.delayed_ack = sack->sack_delay; 4279 } 4280 if (sack->sack_freq) { 4281 stcb->asoc.sack_freq = sack->sack_freq; 4282 } 4283 SCTP_TCB_UNLOCK(stcb); 4284 } 4285 SCTP_INP_RUNLOCK(inp); 4286 } 4287 } 4288 break; 4289 } 4290 case SCTP_AUTH_CHUNK: 4291 { 4292 struct sctp_authchunk *sauth; 4293 4294 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4295 4296 SCTP_INP_WLOCK(inp); 4297 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4298 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4299 error = EINVAL; 4300 } else { 4301 inp->auth_supported = 1; 4302 } 4303 SCTP_INP_WUNLOCK(inp); 4304 break; 4305 } 4306 case SCTP_AUTH_KEY: 4307 { 4308 struct sctp_authkey *sca; 4309 struct sctp_keyhead *shared_keys; 4310 sctp_sharedkey_t *shared_key; 4311 sctp_key_t *key = NULL; 4312 size_t size; 4313 4314 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4315 if (sca->sca_keylength == 0) { 4316 size = optsize - sizeof(struct sctp_authkey); 4317 } else { 4318 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4319 size = sca->sca_keylength; 4320 } else { 4321 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4322 error = EINVAL; 4323 break; 4324 } 4325 } 4326 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4327 4328 if (stcb) { 4329 shared_keys = &stcb->asoc.shared_keys; 4330 /* clear the cached keys for this key id */ 4331 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4332 /* 4333 * create the new shared key and 4334 * insert/replace it 4335 */ 4336 if (size > 0) { 4337 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4338 if (key == NULL) { 4339 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4340 error = ENOMEM; 4341 SCTP_TCB_UNLOCK(stcb); 4342 break; 4343 } 4344 } 4345 shared_key = sctp_alloc_sharedkey(); 4346 if (shared_key == NULL) { 4347 sctp_free_key(key); 4348 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4349 error = ENOMEM; 4350 SCTP_TCB_UNLOCK(stcb); 4351 break; 4352 } 4353 shared_key->key = key; 4354 shared_key->keyid = sca->sca_keynumber; 4355 error = sctp_insert_sharedkey(shared_keys, shared_key); 4356 SCTP_TCB_UNLOCK(stcb); 4357 } else { 4358 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4359 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4360 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4361 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4362 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4363 SCTP_INP_WLOCK(inp); 4364 shared_keys = &inp->sctp_ep.shared_keys; 4365 /* 4366 * clear the cached keys on all 4367 * assocs for this key id 4368 */ 4369 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4370 /* 4371 * create the new shared key and 4372 * insert/replace it 4373 */ 4374 if (size > 0) { 4375 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4376 if (key == NULL) { 4377 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4378 error = ENOMEM; 4379 SCTP_INP_WUNLOCK(inp); 4380 break; 4381 } 4382 } 4383 shared_key = sctp_alloc_sharedkey(); 4384 if (shared_key == NULL) { 4385 sctp_free_key(key); 4386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4387 error = ENOMEM; 4388 SCTP_INP_WUNLOCK(inp); 4389 break; 4390 } 4391 shared_key->key = key; 4392 shared_key->keyid = sca->sca_keynumber; 4393 error = sctp_insert_sharedkey(shared_keys, shared_key); 4394 SCTP_INP_WUNLOCK(inp); 4395 } 4396 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4397 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4398 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4399 SCTP_INP_RLOCK(inp); 4400 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4401 SCTP_TCB_LOCK(stcb); 4402 shared_keys = &stcb->asoc.shared_keys; 4403 /* 4404 * clear the cached keys for 4405 * this key id 4406 */ 4407 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4408 /* 4409 * create the new shared key 4410 * and insert/replace it 4411 */ 4412 if (size > 0) { 4413 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4414 if (key == NULL) { 4415 SCTP_TCB_UNLOCK(stcb); 4416 continue; 4417 } 4418 } 4419 shared_key = sctp_alloc_sharedkey(); 4420 if (shared_key == NULL) { 4421 sctp_free_key(key); 4422 SCTP_TCB_UNLOCK(stcb); 4423 continue; 4424 } 4425 shared_key->key = key; 4426 shared_key->keyid = sca->sca_keynumber; 4427 error = sctp_insert_sharedkey(shared_keys, shared_key); 4428 SCTP_TCB_UNLOCK(stcb); 4429 } 4430 SCTP_INP_RUNLOCK(inp); 4431 } 4432 } 4433 break; 4434 } 4435 case SCTP_HMAC_IDENT: 4436 { 4437 struct sctp_hmacalgo *shmac; 4438 sctp_hmaclist_t *hmaclist; 4439 uint16_t hmacid; 4440 uint32_t i; 4441 4442 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4443 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4444 (shmac->shmac_number_of_idents > 0xffff)) { 4445 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4446 error = EINVAL; 4447 break; 4448 } 4449 4450 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4451 if (hmaclist == NULL) { 4452 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4453 error = ENOMEM; 4454 break; 4455 } 4456 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4457 hmacid = shmac->shmac_idents[i]; 4458 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4459 /* invalid HMACs were found */ ; 4460 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4461 error = EINVAL; 4462 sctp_free_hmaclist(hmaclist); 4463 goto sctp_set_hmac_done; 4464 } 4465 } 4466 for (i = 0; i < hmaclist->num_algo; i++) { 4467 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4468 /* already in list */ 4469 break; 4470 } 4471 } 4472 if (i == hmaclist->num_algo) { 4473 /* not found in list */ 4474 sctp_free_hmaclist(hmaclist); 4475 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4476 error = EINVAL; 4477 break; 4478 } 4479 /* set it on the endpoint */ 4480 SCTP_INP_WLOCK(inp); 4481 if (inp->sctp_ep.local_hmacs) 4482 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4483 inp->sctp_ep.local_hmacs = hmaclist; 4484 SCTP_INP_WUNLOCK(inp); 4485 sctp_set_hmac_done: 4486 break; 4487 } 4488 case SCTP_AUTH_ACTIVE_KEY: 4489 { 4490 struct sctp_authkeyid *scact; 4491 4492 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4493 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4494 4495 /* set the active key on the right place */ 4496 if (stcb) { 4497 /* set the active key on the assoc */ 4498 if (sctp_auth_setactivekey(stcb, 4499 scact->scact_keynumber)) { 4500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4501 SCTP_FROM_SCTP_USRREQ, 4502 EINVAL); 4503 error = EINVAL; 4504 } 4505 SCTP_TCB_UNLOCK(stcb); 4506 } else { 4507 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4508 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4509 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4510 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4511 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4512 SCTP_INP_WLOCK(inp); 4513 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4514 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4515 error = EINVAL; 4516 } 4517 SCTP_INP_WUNLOCK(inp); 4518 } 4519 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4520 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4521 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4522 SCTP_INP_RLOCK(inp); 4523 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4524 SCTP_TCB_LOCK(stcb); 4525 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4526 SCTP_TCB_UNLOCK(stcb); 4527 } 4528 SCTP_INP_RUNLOCK(inp); 4529 } 4530 } 4531 break; 4532 } 4533 case SCTP_AUTH_DELETE_KEY: 4534 { 4535 struct sctp_authkeyid *scdel; 4536 4537 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4538 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4539 4540 /* delete the key from the right place */ 4541 if (stcb) { 4542 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4543 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4544 error = EINVAL; 4545 } 4546 SCTP_TCB_UNLOCK(stcb); 4547 } else { 4548 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4549 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4550 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4551 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4552 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4553 SCTP_INP_WLOCK(inp); 4554 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4556 error = EINVAL; 4557 } 4558 SCTP_INP_WUNLOCK(inp); 4559 } 4560 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4561 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4562 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4563 SCTP_INP_RLOCK(inp); 4564 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4565 SCTP_TCB_LOCK(stcb); 4566 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4567 SCTP_TCB_UNLOCK(stcb); 4568 } 4569 SCTP_INP_RUNLOCK(inp); 4570 } 4571 } 4572 break; 4573 } 4574 case SCTP_AUTH_DEACTIVATE_KEY: 4575 { 4576 struct sctp_authkeyid *keyid; 4577 4578 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4579 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4580 4581 /* deactivate the key from the right place */ 4582 if (stcb) { 4583 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4585 error = EINVAL; 4586 } 4587 SCTP_TCB_UNLOCK(stcb); 4588 } else { 4589 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4590 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4591 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4592 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4593 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4594 SCTP_INP_WLOCK(inp); 4595 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4597 error = EINVAL; 4598 } 4599 SCTP_INP_WUNLOCK(inp); 4600 } 4601 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4602 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4603 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4604 SCTP_INP_RLOCK(inp); 4605 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4606 SCTP_TCB_LOCK(stcb); 4607 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4608 SCTP_TCB_UNLOCK(stcb); 4609 } 4610 SCTP_INP_RUNLOCK(inp); 4611 } 4612 } 4613 break; 4614 } 4615 case SCTP_ENABLE_STREAM_RESET: 4616 { 4617 struct sctp_assoc_value *av; 4618 4619 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4620 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4622 error = EINVAL; 4623 break; 4624 } 4625 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4626 if (stcb) { 4627 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4628 SCTP_TCB_UNLOCK(stcb); 4629 } else { 4630 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4631 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4632 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4633 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4634 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4635 SCTP_INP_WLOCK(inp); 4636 inp->local_strreset_support = (uint8_t)av->assoc_value; 4637 SCTP_INP_WUNLOCK(inp); 4638 } 4639 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4640 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4641 (av->assoc_id == SCTP_ALL_ASSOC))) { 4642 SCTP_INP_RLOCK(inp); 4643 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4644 SCTP_TCB_LOCK(stcb); 4645 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4646 SCTP_TCB_UNLOCK(stcb); 4647 } 4648 SCTP_INP_RUNLOCK(inp); 4649 } 4650 4651 } 4652 break; 4653 } 4654 case SCTP_RESET_STREAMS: 4655 { 4656 struct sctp_reset_streams *strrst; 4657 int i, send_out = 0; 4658 int send_in = 0; 4659 4660 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4661 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4662 if (stcb == NULL) { 4663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4664 error = ENOENT; 4665 break; 4666 } 4667 if (stcb->asoc.reconfig_supported == 0) { 4668 /* 4669 * Peer does not support the chunk type. 4670 */ 4671 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4672 error = EOPNOTSUPP; 4673 SCTP_TCB_UNLOCK(stcb); 4674 break; 4675 } 4676 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4678 error = EINVAL; 4679 SCTP_TCB_UNLOCK(stcb); 4680 break; 4681 } 4682 if (sizeof(struct sctp_reset_streams) + 4683 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4684 error = EINVAL; 4685 SCTP_TCB_UNLOCK(stcb); 4686 break; 4687 } 4688 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4689 send_in = 1; 4690 if (stcb->asoc.stream_reset_outstanding) { 4691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4692 error = EALREADY; 4693 SCTP_TCB_UNLOCK(stcb); 4694 break; 4695 } 4696 } 4697 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4698 send_out = 1; 4699 } 4700 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4702 error = ENOMEM; 4703 SCTP_TCB_UNLOCK(stcb); 4704 break; 4705 } 4706 if ((send_in == 0) && (send_out == 0)) { 4707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4708 error = EINVAL; 4709 SCTP_TCB_UNLOCK(stcb); 4710 break; 4711 } 4712 for (i = 0; i < strrst->srs_number_streams; i++) { 4713 if ((send_in) && 4714 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4716 error = EINVAL; 4717 break; 4718 } 4719 if ((send_out) && 4720 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4721 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4722 error = EINVAL; 4723 break; 4724 } 4725 } 4726 if (error) { 4727 SCTP_TCB_UNLOCK(stcb); 4728 break; 4729 } 4730 if (send_out) { 4731 int cnt; 4732 uint16_t strm; 4733 4734 if (strrst->srs_number_streams) { 4735 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4736 strm = strrst->srs_stream_list[i]; 4737 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4738 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4739 cnt++; 4740 } 4741 } 4742 } else { 4743 /* Its all */ 4744 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4745 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4746 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4747 cnt++; 4748 } 4749 } 4750 } 4751 } 4752 if (send_in) { 4753 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4754 strrst->srs_stream_list, 4755 send_in, 0, 0, 0, 0, 0); 4756 } else { 4757 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4758 } 4759 if (error == 0) { 4760 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4761 } else { 4762 /* 4763 * For outgoing streams don't report any 4764 * problems in sending the request to the 4765 * application. XXX: Double check resetting 4766 * incoming streams. 4767 */ 4768 error = 0; 4769 } 4770 SCTP_TCB_UNLOCK(stcb); 4771 break; 4772 } 4773 case SCTP_ADD_STREAMS: 4774 { 4775 struct sctp_add_streams *stradd; 4776 uint8_t addstream = 0; 4777 uint16_t add_o_strmcnt = 0; 4778 uint16_t add_i_strmcnt = 0; 4779 4780 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4781 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4782 if (stcb == NULL) { 4783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4784 error = ENOENT; 4785 break; 4786 } 4787 if (stcb->asoc.reconfig_supported == 0) { 4788 /* 4789 * Peer does not support the chunk type. 4790 */ 4791 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4792 error = EOPNOTSUPP; 4793 SCTP_TCB_UNLOCK(stcb); 4794 break; 4795 } 4796 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4797 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4798 error = EINVAL; 4799 SCTP_TCB_UNLOCK(stcb); 4800 break; 4801 } 4802 if (stcb->asoc.stream_reset_outstanding) { 4803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4804 error = EALREADY; 4805 SCTP_TCB_UNLOCK(stcb); 4806 break; 4807 } 4808 if ((stradd->sas_outstrms == 0) && 4809 (stradd->sas_instrms == 0)) { 4810 error = EINVAL; 4811 goto skip_stuff; 4812 } 4813 if (stradd->sas_outstrms) { 4814 addstream = 1; 4815 /* We allocate here */ 4816 add_o_strmcnt = stradd->sas_outstrms; 4817 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4818 /* You can't have more than 64k */ 4819 error = EINVAL; 4820 goto skip_stuff; 4821 } 4822 } 4823 if (stradd->sas_instrms) { 4824 int cnt; 4825 4826 addstream |= 2; 4827 /* 4828 * We allocate inside 4829 * sctp_send_str_reset_req() 4830 */ 4831 add_i_strmcnt = stradd->sas_instrms; 4832 cnt = add_i_strmcnt; 4833 cnt += stcb->asoc.streamincnt; 4834 if (cnt > 0x0000ffff) { 4835 /* You can't have more than 64k */ 4836 error = EINVAL; 4837 goto skip_stuff; 4838 } 4839 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4840 /* More than you are allowed */ 4841 error = EINVAL; 4842 goto skip_stuff; 4843 } 4844 } 4845 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4846 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4847 skip_stuff: 4848 SCTP_TCB_UNLOCK(stcb); 4849 break; 4850 } 4851 case SCTP_RESET_ASSOC: 4852 { 4853 int i; 4854 uint32_t *value; 4855 4856 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4857 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4858 if (stcb == NULL) { 4859 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4860 error = ENOENT; 4861 break; 4862 } 4863 if (stcb->asoc.reconfig_supported == 0) { 4864 /* 4865 * Peer does not support the chunk type. 4866 */ 4867 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4868 error = EOPNOTSUPP; 4869 SCTP_TCB_UNLOCK(stcb); 4870 break; 4871 } 4872 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4874 error = EINVAL; 4875 SCTP_TCB_UNLOCK(stcb); 4876 break; 4877 } 4878 if (stcb->asoc.stream_reset_outstanding) { 4879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4880 error = EALREADY; 4881 SCTP_TCB_UNLOCK(stcb); 4882 break; 4883 } 4884 /* 4885 * Is there any data pending in the send or sent 4886 * queues? 4887 */ 4888 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4889 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4890 busy_out: 4891 error = EBUSY; 4892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4893 SCTP_TCB_UNLOCK(stcb); 4894 break; 4895 } 4896 /* Do any streams have data queued? */ 4897 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4898 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4899 goto busy_out; 4900 } 4901 } 4902 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4903 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4904 SCTP_TCB_UNLOCK(stcb); 4905 break; 4906 } 4907 case SCTP_CONNECT_X: 4908 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4910 error = EINVAL; 4911 break; 4912 } 4913 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4914 break; 4915 case SCTP_CONNECT_X_DELAYED: 4916 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4918 error = EINVAL; 4919 break; 4920 } 4921 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4922 break; 4923 case SCTP_CONNECT_X_COMPLETE: 4924 { 4925 struct sockaddr *sa; 4926 4927 /* FIXME MT: check correct? */ 4928 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4929 4930 /* find tcb */ 4931 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4932 SCTP_INP_RLOCK(inp); 4933 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4934 if (stcb) { 4935 SCTP_TCB_LOCK(stcb); 4936 } 4937 SCTP_INP_RUNLOCK(inp); 4938 } else { 4939 /* 4940 * We increment here since 4941 * sctp_findassociation_ep_addr() wil do a 4942 * decrement if it finds the stcb as long as 4943 * the locked tcb (last argument) is NOT a 4944 * TCB.. aka NULL. 4945 */ 4946 SCTP_INP_INCR_REF(inp); 4947 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4948 if (stcb == NULL) { 4949 SCTP_INP_DECR_REF(inp); 4950 } 4951 } 4952 4953 if (stcb == NULL) { 4954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4955 error = ENOENT; 4956 break; 4957 } 4958 if (stcb->asoc.delayed_connection == 1) { 4959 stcb->asoc.delayed_connection = 0; 4960 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4961 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4962 stcb->asoc.primary_destination, 4963 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4964 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4965 } else { 4966 /* 4967 * already expired or did not use delayed 4968 * connectx 4969 */ 4970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4971 error = EALREADY; 4972 } 4973 SCTP_TCB_UNLOCK(stcb); 4974 break; 4975 } 4976 case SCTP_MAX_BURST: 4977 { 4978 struct sctp_assoc_value *av; 4979 4980 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4981 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4982 4983 if (stcb) { 4984 stcb->asoc.max_burst = av->assoc_value; 4985 SCTP_TCB_UNLOCK(stcb); 4986 } else { 4987 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4988 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4989 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4990 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4991 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4992 SCTP_INP_WLOCK(inp); 4993 inp->sctp_ep.max_burst = av->assoc_value; 4994 SCTP_INP_WUNLOCK(inp); 4995 } 4996 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4997 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4998 (av->assoc_id == SCTP_ALL_ASSOC))) { 4999 SCTP_INP_RLOCK(inp); 5000 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5001 SCTP_TCB_LOCK(stcb); 5002 stcb->asoc.max_burst = av->assoc_value; 5003 SCTP_TCB_UNLOCK(stcb); 5004 } 5005 SCTP_INP_RUNLOCK(inp); 5006 } 5007 } 5008 break; 5009 } 5010 case SCTP_MAXSEG: 5011 { 5012 struct sctp_assoc_value *av; 5013 int ovh; 5014 5015 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 5016 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 5017 5018 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5019 ovh = SCTP_MED_OVERHEAD; 5020 } else { 5021 ovh = SCTP_MED_V4_OVERHEAD; 5022 } 5023 if (stcb) { 5024 if (av->assoc_value) { 5025 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 5026 } else { 5027 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5028 } 5029 SCTP_TCB_UNLOCK(stcb); 5030 } else { 5031 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5032 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5033 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5034 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 5035 SCTP_INP_WLOCK(inp); 5036 /* 5037 * FIXME MT: I think this is not in 5038 * tune with the API ID 5039 */ 5040 if (av->assoc_value) { 5041 inp->sctp_frag_point = (av->assoc_value + ovh); 5042 } else { 5043 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5044 } 5045 SCTP_INP_WUNLOCK(inp); 5046 } else { 5047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5048 error = EINVAL; 5049 } 5050 } 5051 break; 5052 } 5053 case SCTP_EVENTS: 5054 { 5055 struct sctp_event_subscribe *events; 5056 5057 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5058 5059 SCTP_INP_WLOCK(inp); 5060 if (events->sctp_data_io_event) { 5061 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5062 } else { 5063 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5064 } 5065 5066 if (events->sctp_association_event) { 5067 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5068 } else { 5069 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5070 } 5071 5072 if (events->sctp_address_event) { 5073 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5074 } else { 5075 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5076 } 5077 5078 if (events->sctp_send_failure_event) { 5079 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5080 } else { 5081 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5082 } 5083 5084 if (events->sctp_peer_error_event) { 5085 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5086 } else { 5087 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5088 } 5089 5090 if (events->sctp_shutdown_event) { 5091 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5092 } else { 5093 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5094 } 5095 5096 if (events->sctp_partial_delivery_event) { 5097 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5098 } else { 5099 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5100 } 5101 5102 if (events->sctp_adaptation_layer_event) { 5103 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5104 } else { 5105 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5106 } 5107 5108 if (events->sctp_authentication_event) { 5109 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5110 } else { 5111 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5112 } 5113 5114 if (events->sctp_sender_dry_event) { 5115 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5116 } else { 5117 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5118 } 5119 5120 if (events->sctp_stream_reset_event) { 5121 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5122 } else { 5123 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5124 } 5125 SCTP_INP_WUNLOCK(inp); 5126 5127 SCTP_INP_RLOCK(inp); 5128 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5129 SCTP_TCB_LOCK(stcb); 5130 if (events->sctp_association_event) { 5131 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5132 } else { 5133 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5134 } 5135 if (events->sctp_address_event) { 5136 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5137 } else { 5138 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5139 } 5140 if (events->sctp_send_failure_event) { 5141 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5142 } else { 5143 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5144 } 5145 if (events->sctp_peer_error_event) { 5146 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5147 } else { 5148 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5149 } 5150 if (events->sctp_shutdown_event) { 5151 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5152 } else { 5153 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5154 } 5155 if (events->sctp_partial_delivery_event) { 5156 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5157 } else { 5158 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5159 } 5160 if (events->sctp_adaptation_layer_event) { 5161 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5162 } else { 5163 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5164 } 5165 if (events->sctp_authentication_event) { 5166 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5167 } else { 5168 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5169 } 5170 if (events->sctp_sender_dry_event) { 5171 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5172 } else { 5173 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5174 } 5175 if (events->sctp_stream_reset_event) { 5176 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5177 } else { 5178 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5179 } 5180 SCTP_TCB_UNLOCK(stcb); 5181 } 5182 /* 5183 * Send up the sender dry event only for 1-to-1 5184 * style sockets. 5185 */ 5186 if (events->sctp_sender_dry_event) { 5187 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5188 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5189 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5190 if (stcb) { 5191 SCTP_TCB_LOCK(stcb); 5192 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5193 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5194 (stcb->asoc.stream_queue_cnt == 0)) { 5195 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5196 } 5197 SCTP_TCB_UNLOCK(stcb); 5198 } 5199 } 5200 } 5201 SCTP_INP_RUNLOCK(inp); 5202 break; 5203 } 5204 case SCTP_ADAPTATION_LAYER: 5205 { 5206 struct sctp_setadaptation *adap_bits; 5207 5208 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5209 SCTP_INP_WLOCK(inp); 5210 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5211 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5212 SCTP_INP_WUNLOCK(inp); 5213 break; 5214 } 5215 #ifdef SCTP_DEBUG 5216 case SCTP_SET_INITIAL_DBG_SEQ: 5217 { 5218 uint32_t *vvv; 5219 5220 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5221 SCTP_INP_WLOCK(inp); 5222 inp->sctp_ep.initial_sequence_debug = *vvv; 5223 SCTP_INP_WUNLOCK(inp); 5224 break; 5225 } 5226 #endif 5227 case SCTP_DEFAULT_SEND_PARAM: 5228 { 5229 struct sctp_sndrcvinfo *s_info; 5230 5231 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5232 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5233 5234 if (stcb) { 5235 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5236 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5237 } else { 5238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5239 error = EINVAL; 5240 } 5241 SCTP_TCB_UNLOCK(stcb); 5242 } else { 5243 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5244 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5245 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5246 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5247 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5248 SCTP_INP_WLOCK(inp); 5249 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5250 SCTP_INP_WUNLOCK(inp); 5251 } 5252 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5253 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5254 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5255 SCTP_INP_RLOCK(inp); 5256 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5257 SCTP_TCB_LOCK(stcb); 5258 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5259 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5260 } 5261 SCTP_TCB_UNLOCK(stcb); 5262 } 5263 SCTP_INP_RUNLOCK(inp); 5264 } 5265 } 5266 break; 5267 } 5268 case SCTP_PEER_ADDR_PARAMS: 5269 { 5270 struct sctp_paddrparams *paddrp; 5271 struct sctp_nets *net; 5272 struct sockaddr *addr; 5273 #if defined(INET) && defined(INET6) 5274 struct sockaddr_in sin_store; 5275 #endif 5276 5277 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5278 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5279 5280 #if defined(INET) && defined(INET6) 5281 if (paddrp->spp_address.ss_family == AF_INET6) { 5282 struct sockaddr_in6 *sin6; 5283 5284 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5285 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5286 in6_sin6_2_sin(&sin_store, sin6); 5287 addr = (struct sockaddr *)&sin_store; 5288 } else { 5289 addr = (struct sockaddr *)&paddrp->spp_address; 5290 } 5291 } else { 5292 addr = (struct sockaddr *)&paddrp->spp_address; 5293 } 5294 #else 5295 addr = (struct sockaddr *)&paddrp->spp_address; 5296 #endif 5297 if (stcb != NULL) { 5298 net = sctp_findnet(stcb, addr); 5299 } else { 5300 /* 5301 * We increment here since 5302 * sctp_findassociation_ep_addr() wil do a 5303 * decrement if it finds the stcb as long as 5304 * the locked tcb (last argument) is NOT a 5305 * TCB.. aka NULL. 5306 */ 5307 net = NULL; 5308 SCTP_INP_INCR_REF(inp); 5309 stcb = sctp_findassociation_ep_addr(&inp, addr, 5310 &net, NULL, NULL); 5311 if (stcb == NULL) { 5312 SCTP_INP_DECR_REF(inp); 5313 } 5314 } 5315 if ((stcb != NULL) && (net == NULL)) { 5316 #ifdef INET 5317 if (addr->sa_family == AF_INET) { 5318 5319 struct sockaddr_in *sin; 5320 5321 sin = (struct sockaddr_in *)addr; 5322 if (sin->sin_addr.s_addr != INADDR_ANY) { 5323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5324 SCTP_TCB_UNLOCK(stcb); 5325 error = EINVAL; 5326 break; 5327 } 5328 } else 5329 #endif 5330 #ifdef INET6 5331 if (addr->sa_family == AF_INET6) { 5332 struct sockaddr_in6 *sin6; 5333 5334 sin6 = (struct sockaddr_in6 *)addr; 5335 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5336 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5337 SCTP_TCB_UNLOCK(stcb); 5338 error = EINVAL; 5339 break; 5340 } 5341 } else 5342 #endif 5343 { 5344 error = EAFNOSUPPORT; 5345 SCTP_TCB_UNLOCK(stcb); 5346 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5347 break; 5348 } 5349 } 5350 /* sanity checks */ 5351 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5352 if (stcb) 5353 SCTP_TCB_UNLOCK(stcb); 5354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5355 return (EINVAL); 5356 } 5357 5358 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5359 if (stcb) 5360 SCTP_TCB_UNLOCK(stcb); 5361 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5362 return (EINVAL); 5363 } 5364 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5365 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5366 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5367 if (stcb) 5368 SCTP_TCB_UNLOCK(stcb); 5369 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5370 return (EINVAL); 5371 } 5372 5373 if (stcb != NULL) { 5374 /************************TCB SPECIFIC SET ******************/ 5375 if (net != NULL) { 5376 /************************NET SPECIFIC SET ******************/ 5377 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5378 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5379 !(net->dest_state & SCTP_ADDR_NOHB)) { 5380 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5381 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5382 } 5383 net->dest_state |= SCTP_ADDR_NOHB; 5384 } 5385 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5386 if (paddrp->spp_hbinterval) { 5387 net->heart_beat_delay = paddrp->spp_hbinterval; 5388 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5389 net->heart_beat_delay = 0; 5390 } 5391 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5392 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5393 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5394 net->dest_state &= ~SCTP_ADDR_NOHB; 5395 } 5396 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5397 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5398 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5399 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5400 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5401 } 5402 } 5403 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5404 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5405 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5406 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5407 } 5408 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5409 net->mtu = paddrp->spp_pathmtu; 5410 switch (net->ro._l_addr.sa.sa_family) { 5411 #ifdef INET 5412 case AF_INET: 5413 net->mtu += SCTP_MIN_V4_OVERHEAD; 5414 break; 5415 #endif 5416 #ifdef INET6 5417 case AF_INET6: 5418 net->mtu += SCTP_MIN_OVERHEAD; 5419 break; 5420 #endif 5421 default: 5422 break; 5423 } 5424 if (net->mtu < stcb->asoc.smallest_mtu) { 5425 sctp_pathmtu_adjustment(stcb, net->mtu); 5426 } 5427 } 5428 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5429 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5430 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5431 } 5432 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5433 } 5434 if (paddrp->spp_pathmaxrxt) { 5435 if (net->dest_state & SCTP_ADDR_PF) { 5436 if (net->error_count > paddrp->spp_pathmaxrxt) { 5437 net->dest_state &= ~SCTP_ADDR_PF; 5438 } 5439 } else { 5440 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5441 (net->error_count > net->pf_threshold)) { 5442 net->dest_state |= SCTP_ADDR_PF; 5443 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5444 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5445 stcb->sctp_ep, stcb, net, 5446 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5447 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5448 } 5449 } 5450 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5451 if (net->error_count > paddrp->spp_pathmaxrxt) { 5452 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5453 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5454 } 5455 } else { 5456 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5457 net->dest_state |= SCTP_ADDR_REACHABLE; 5458 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5459 } 5460 } 5461 net->failure_threshold = paddrp->spp_pathmaxrxt; 5462 } 5463 if (paddrp->spp_flags & SPP_DSCP) { 5464 net->dscp = paddrp->spp_dscp & 0xfc; 5465 net->dscp |= 0x01; 5466 } 5467 #ifdef INET6 5468 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5469 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5470 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5471 net->flowlabel |= 0x80000000; 5472 } 5473 } 5474 #endif 5475 } else { 5476 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5477 if (paddrp->spp_pathmaxrxt != 0) { 5478 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5479 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5480 if (net->dest_state & SCTP_ADDR_PF) { 5481 if (net->error_count > paddrp->spp_pathmaxrxt) { 5482 net->dest_state &= ~SCTP_ADDR_PF; 5483 } 5484 } else { 5485 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5486 (net->error_count > net->pf_threshold)) { 5487 net->dest_state |= SCTP_ADDR_PF; 5488 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5489 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5490 stcb->sctp_ep, stcb, net, 5491 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5492 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5493 } 5494 } 5495 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5496 if (net->error_count > paddrp->spp_pathmaxrxt) { 5497 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5498 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5499 } 5500 } else { 5501 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5502 net->dest_state |= SCTP_ADDR_REACHABLE; 5503 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5504 } 5505 } 5506 net->failure_threshold = paddrp->spp_pathmaxrxt; 5507 } 5508 } 5509 5510 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5511 if (paddrp->spp_hbinterval != 0) { 5512 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5513 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5514 stcb->asoc.heart_beat_delay = 0; 5515 } 5516 /* Turn back on the timer */ 5517 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5518 if (paddrp->spp_hbinterval != 0) { 5519 net->heart_beat_delay = paddrp->spp_hbinterval; 5520 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5521 net->heart_beat_delay = 0; 5522 } 5523 if (net->dest_state & SCTP_ADDR_NOHB) { 5524 net->dest_state &= ~SCTP_ADDR_NOHB; 5525 } 5526 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5527 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5528 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5529 } 5530 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5531 } 5532 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5533 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5534 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5535 net->dest_state |= SCTP_ADDR_NOHB; 5536 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5537 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5538 inp, stcb, net, 5539 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5540 } 5541 } 5542 } 5543 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5544 } 5545 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5546 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5547 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5548 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5549 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5550 } 5551 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5552 net->mtu = paddrp->spp_pathmtu; 5553 switch (net->ro._l_addr.sa.sa_family) { 5554 #ifdef INET 5555 case AF_INET: 5556 net->mtu += SCTP_MIN_V4_OVERHEAD; 5557 break; 5558 #endif 5559 #ifdef INET6 5560 case AF_INET6: 5561 net->mtu += SCTP_MIN_OVERHEAD; 5562 break; 5563 #endif 5564 default: 5565 break; 5566 } 5567 if (net->mtu < stcb->asoc.smallest_mtu) { 5568 sctp_pathmtu_adjustment(stcb, net->mtu); 5569 } 5570 } 5571 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5572 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5573 } 5574 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5575 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5576 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5577 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5578 } 5579 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5580 } 5581 stcb->asoc.default_mtu = 0; 5582 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5583 } 5584 if (paddrp->spp_flags & SPP_DSCP) { 5585 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5586 net->dscp = paddrp->spp_dscp & 0xfc; 5587 net->dscp |= 0x01; 5588 } 5589 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5590 stcb->asoc.default_dscp |= 0x01; 5591 } 5592 #ifdef INET6 5593 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5594 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5595 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5596 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5597 net->flowlabel |= 0x80000000; 5598 } 5599 } 5600 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5601 stcb->asoc.default_flowlabel |= 0x80000000; 5602 } 5603 #endif 5604 } 5605 SCTP_TCB_UNLOCK(stcb); 5606 } else { 5607 /************************NO TCB, SET TO default stuff ******************/ 5608 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5609 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5610 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5611 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5612 SCTP_INP_WLOCK(inp); 5613 /* 5614 * For the TOS/FLOWLABEL stuff you 5615 * set it with the options on the 5616 * socket 5617 */ 5618 if (paddrp->spp_pathmaxrxt != 0) { 5619 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5620 } 5621 5622 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5623 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5624 else if (paddrp->spp_hbinterval != 0) { 5625 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5626 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5627 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5628 } 5629 5630 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5631 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5632 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5633 } else if (paddrp->spp_hbinterval) { 5634 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5635 } 5636 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5637 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5638 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5639 } 5640 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5641 inp->sctp_ep.default_mtu = 0; 5642 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5643 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5644 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5645 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5646 } 5647 if (paddrp->spp_flags & SPP_DSCP) { 5648 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5649 inp->sctp_ep.default_dscp |= 0x01; 5650 } 5651 #ifdef INET6 5652 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5653 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5654 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5655 inp->sctp_ep.default_flowlabel |= 0x80000000; 5656 } 5657 } 5658 #endif 5659 SCTP_INP_WUNLOCK(inp); 5660 } else { 5661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5662 error = EINVAL; 5663 } 5664 } 5665 break; 5666 } 5667 case SCTP_RTOINFO: 5668 { 5669 struct sctp_rtoinfo *srto; 5670 uint32_t new_init, new_min, new_max; 5671 5672 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5673 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5674 5675 if (stcb) { 5676 if (srto->srto_initial) 5677 new_init = srto->srto_initial; 5678 else 5679 new_init = stcb->asoc.initial_rto; 5680 if (srto->srto_max) 5681 new_max = srto->srto_max; 5682 else 5683 new_max = stcb->asoc.maxrto; 5684 if (srto->srto_min) 5685 new_min = srto->srto_min; 5686 else 5687 new_min = stcb->asoc.minrto; 5688 if ((new_min <= new_init) && (new_init <= new_max)) { 5689 stcb->asoc.initial_rto = new_init; 5690 stcb->asoc.maxrto = new_max; 5691 stcb->asoc.minrto = new_min; 5692 } else { 5693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5694 error = EINVAL; 5695 } 5696 SCTP_TCB_UNLOCK(stcb); 5697 } else { 5698 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5699 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5700 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5701 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5702 SCTP_INP_WLOCK(inp); 5703 if (srto->srto_initial) 5704 new_init = srto->srto_initial; 5705 else 5706 new_init = inp->sctp_ep.initial_rto; 5707 if (srto->srto_max) 5708 new_max = srto->srto_max; 5709 else 5710 new_max = inp->sctp_ep.sctp_maxrto; 5711 if (srto->srto_min) 5712 new_min = srto->srto_min; 5713 else 5714 new_min = inp->sctp_ep.sctp_minrto; 5715 if ((new_min <= new_init) && (new_init <= new_max)) { 5716 inp->sctp_ep.initial_rto = new_init; 5717 inp->sctp_ep.sctp_maxrto = new_max; 5718 inp->sctp_ep.sctp_minrto = new_min; 5719 } else { 5720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5721 error = EINVAL; 5722 } 5723 SCTP_INP_WUNLOCK(inp); 5724 } else { 5725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5726 error = EINVAL; 5727 } 5728 } 5729 break; 5730 } 5731 case SCTP_ASSOCINFO: 5732 { 5733 struct sctp_assocparams *sasoc; 5734 5735 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5736 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5737 if (sasoc->sasoc_cookie_life) { 5738 /* boundary check the cookie life */ 5739 if (sasoc->sasoc_cookie_life < 1000) 5740 sasoc->sasoc_cookie_life = 1000; 5741 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5742 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5743 } 5744 } 5745 if (stcb) { 5746 if (sasoc->sasoc_asocmaxrxt) 5747 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5748 if (sasoc->sasoc_cookie_life) { 5749 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5750 } 5751 SCTP_TCB_UNLOCK(stcb); 5752 } else { 5753 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5754 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5755 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5756 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5757 SCTP_INP_WLOCK(inp); 5758 if (sasoc->sasoc_asocmaxrxt) 5759 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5760 if (sasoc->sasoc_cookie_life) { 5761 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5762 } 5763 SCTP_INP_WUNLOCK(inp); 5764 } else { 5765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5766 error = EINVAL; 5767 } 5768 } 5769 break; 5770 } 5771 case SCTP_INITMSG: 5772 { 5773 struct sctp_initmsg *sinit; 5774 5775 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5776 SCTP_INP_WLOCK(inp); 5777 if (sinit->sinit_num_ostreams) 5778 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5779 5780 if (sinit->sinit_max_instreams) 5781 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5782 5783 if (sinit->sinit_max_attempts) 5784 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5785 5786 if (sinit->sinit_max_init_timeo) 5787 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5788 SCTP_INP_WUNLOCK(inp); 5789 break; 5790 } 5791 case SCTP_PRIMARY_ADDR: 5792 { 5793 struct sctp_setprim *spa; 5794 struct sctp_nets *net; 5795 struct sockaddr *addr; 5796 #if defined(INET) && defined(INET6) 5797 struct sockaddr_in sin_store; 5798 #endif 5799 5800 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5801 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5802 5803 #if defined(INET) && defined(INET6) 5804 if (spa->ssp_addr.ss_family == AF_INET6) { 5805 struct sockaddr_in6 *sin6; 5806 5807 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5808 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5809 in6_sin6_2_sin(&sin_store, sin6); 5810 addr = (struct sockaddr *)&sin_store; 5811 } else { 5812 addr = (struct sockaddr *)&spa->ssp_addr; 5813 } 5814 } else { 5815 addr = (struct sockaddr *)&spa->ssp_addr; 5816 } 5817 #else 5818 addr = (struct sockaddr *)&spa->ssp_addr; 5819 #endif 5820 if (stcb != NULL) { 5821 net = sctp_findnet(stcb, addr); 5822 } else { 5823 /* 5824 * We increment here since 5825 * sctp_findassociation_ep_addr() wil do a 5826 * decrement if it finds the stcb as long as 5827 * the locked tcb (last argument) is NOT a 5828 * TCB.. aka NULL. 5829 */ 5830 net = NULL; 5831 SCTP_INP_INCR_REF(inp); 5832 stcb = sctp_findassociation_ep_addr(&inp, addr, 5833 &net, NULL, NULL); 5834 if (stcb == NULL) { 5835 SCTP_INP_DECR_REF(inp); 5836 } 5837 } 5838 5839 if ((stcb != NULL) && (net != NULL)) { 5840 if (net != stcb->asoc.primary_destination) { 5841 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5842 /* Ok we need to set it */ 5843 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5844 if ((stcb->asoc.alternate) && 5845 (!(net->dest_state & SCTP_ADDR_PF)) && 5846 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5847 sctp_free_remote_addr(stcb->asoc.alternate); 5848 stcb->asoc.alternate = NULL; 5849 } 5850 } else { 5851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5852 error = EINVAL; 5853 } 5854 } else { 5855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5856 error = EINVAL; 5857 } 5858 } 5859 } else { 5860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5861 error = EINVAL; 5862 } 5863 if (stcb != NULL) { 5864 SCTP_TCB_UNLOCK(stcb); 5865 } 5866 break; 5867 } 5868 case SCTP_SET_DYNAMIC_PRIMARY: 5869 { 5870 union sctp_sockstore *ss; 5871 5872 error = priv_check(curthread, 5873 PRIV_NETINET_RESERVEDPORT); 5874 if (error) 5875 break; 5876 5877 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5878 /* SUPER USER CHECK? */ 5879 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5880 break; 5881 } 5882 case SCTP_SET_PEER_PRIMARY_ADDR: 5883 { 5884 struct sctp_setpeerprim *sspp; 5885 struct sockaddr *addr; 5886 #if defined(INET) && defined(INET6) 5887 struct sockaddr_in sin_store; 5888 #endif 5889 5890 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5891 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5892 if (stcb != NULL) { 5893 struct sctp_ifa *ifa; 5894 5895 #if defined(INET) && defined(INET6) 5896 if (sspp->sspp_addr.ss_family == AF_INET6) { 5897 struct sockaddr_in6 *sin6; 5898 5899 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5900 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5901 in6_sin6_2_sin(&sin_store, sin6); 5902 addr = (struct sockaddr *)&sin_store; 5903 } else { 5904 addr = (struct sockaddr *)&sspp->sspp_addr; 5905 } 5906 } else { 5907 addr = (struct sockaddr *)&sspp->sspp_addr; 5908 } 5909 #else 5910 addr = (struct sockaddr *)&sspp->sspp_addr; 5911 #endif 5912 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5913 if (ifa == NULL) { 5914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5915 error = EINVAL; 5916 goto out_of_it; 5917 } 5918 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5919 /* 5920 * Must validate the ifa found is in 5921 * our ep 5922 */ 5923 struct sctp_laddr *laddr; 5924 int found = 0; 5925 5926 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5927 if (laddr->ifa == NULL) { 5928 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5929 __func__); 5930 continue; 5931 } 5932 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5933 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5934 continue; 5935 } 5936 if (laddr->ifa == ifa) { 5937 found = 1; 5938 break; 5939 } 5940 } 5941 if (!found) { 5942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5943 error = EINVAL; 5944 goto out_of_it; 5945 } 5946 } else { 5947 switch (addr->sa_family) { 5948 #ifdef INET 5949 case AF_INET: 5950 { 5951 struct sockaddr_in *sin; 5952 5953 sin = (struct sockaddr_in *)addr; 5954 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5955 &sin->sin_addr) != 0) { 5956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5957 error = EINVAL; 5958 goto out_of_it; 5959 } 5960 break; 5961 } 5962 #endif 5963 #ifdef INET6 5964 case AF_INET6: 5965 { 5966 struct sockaddr_in6 *sin6; 5967 5968 sin6 = (struct sockaddr_in6 *)addr; 5969 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5970 &sin6->sin6_addr) != 0) { 5971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5972 error = EINVAL; 5973 goto out_of_it; 5974 } 5975 break; 5976 } 5977 #endif 5978 default: 5979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5980 error = EINVAL; 5981 goto out_of_it; 5982 } 5983 } 5984 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5985 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5986 error = EINVAL; 5987 } 5988 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5989 out_of_it: 5990 SCTP_TCB_UNLOCK(stcb); 5991 } else { 5992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5993 error = EINVAL; 5994 } 5995 break; 5996 } 5997 case SCTP_BINDX_ADD_ADDR: 5998 { 5999 struct sctp_getaddresses *addrs; 6000 struct thread *td; 6001 6002 td = (struct thread *)p; 6003 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 6004 optsize); 6005 #ifdef INET 6006 if (addrs->addr->sa_family == AF_INET) { 6007 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 6008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6009 error = EINVAL; 6010 break; 6011 } 6012 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 6013 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6014 break; 6015 } 6016 } else 6017 #endif 6018 #ifdef INET6 6019 if (addrs->addr->sa_family == AF_INET6) { 6020 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 6021 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6022 error = EINVAL; 6023 break; 6024 } 6025 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6026 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6027 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6028 break; 6029 } 6030 } else 6031 #endif 6032 { 6033 error = EAFNOSUPPORT; 6034 break; 6035 } 6036 sctp_bindx_add_address(so, inp, addrs->addr, 6037 addrs->sget_assoc_id, vrf_id, 6038 &error, p); 6039 break; 6040 } 6041 case SCTP_BINDX_REM_ADDR: 6042 { 6043 struct sctp_getaddresses *addrs; 6044 struct thread *td; 6045 6046 td = (struct thread *)p; 6047 6048 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 6049 #ifdef INET 6050 if (addrs->addr->sa_family == AF_INET) { 6051 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 6052 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6053 error = EINVAL; 6054 break; 6055 } 6056 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 6057 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6058 break; 6059 } 6060 } else 6061 #endif 6062 #ifdef INET6 6063 if (addrs->addr->sa_family == AF_INET6) { 6064 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 6065 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6066 error = EINVAL; 6067 break; 6068 } 6069 if (td != NULL && 6070 (error = prison_local_ip6(td->td_ucred, 6071 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6072 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6073 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6074 break; 6075 } 6076 } else 6077 #endif 6078 { 6079 error = EAFNOSUPPORT; 6080 break; 6081 } 6082 sctp_bindx_delete_address(inp, addrs->addr, 6083 addrs->sget_assoc_id, vrf_id, 6084 &error); 6085 break; 6086 } 6087 case SCTP_EVENT: 6088 { 6089 struct sctp_event *event; 6090 uint32_t event_type; 6091 6092 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6093 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6094 switch (event->se_type) { 6095 case SCTP_ASSOC_CHANGE: 6096 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6097 break; 6098 case SCTP_PEER_ADDR_CHANGE: 6099 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6100 break; 6101 case SCTP_REMOTE_ERROR: 6102 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6103 break; 6104 case SCTP_SEND_FAILED: 6105 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6106 break; 6107 case SCTP_SHUTDOWN_EVENT: 6108 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6109 break; 6110 case SCTP_ADAPTATION_INDICATION: 6111 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6112 break; 6113 case SCTP_PARTIAL_DELIVERY_EVENT: 6114 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6115 break; 6116 case SCTP_AUTHENTICATION_EVENT: 6117 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6118 break; 6119 case SCTP_STREAM_RESET_EVENT: 6120 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6121 break; 6122 case SCTP_SENDER_DRY_EVENT: 6123 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6124 break; 6125 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6126 event_type = 0; 6127 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6128 error = ENOTSUP; 6129 break; 6130 case SCTP_ASSOC_RESET_EVENT: 6131 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6132 break; 6133 case SCTP_STREAM_CHANGE_EVENT: 6134 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6135 break; 6136 case SCTP_SEND_FAILED_EVENT: 6137 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6138 break; 6139 default: 6140 event_type = 0; 6141 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6142 error = EINVAL; 6143 break; 6144 } 6145 if (event_type > 0) { 6146 if (stcb) { 6147 if (event->se_on) { 6148 sctp_stcb_feature_on(inp, stcb, event_type); 6149 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6150 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6151 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6152 (stcb->asoc.stream_queue_cnt == 0)) { 6153 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6154 } 6155 } 6156 } else { 6157 sctp_stcb_feature_off(inp, stcb, event_type); 6158 } 6159 SCTP_TCB_UNLOCK(stcb); 6160 } else { 6161 /* 6162 * We don't want to send up a storm 6163 * of events, so return an error for 6164 * sender dry events 6165 */ 6166 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6167 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6168 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6169 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6171 error = ENOTSUP; 6172 break; 6173 } 6174 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6175 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6176 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6177 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6178 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6179 SCTP_INP_WLOCK(inp); 6180 if (event->se_on) { 6181 sctp_feature_on(inp, event_type); 6182 } else { 6183 sctp_feature_off(inp, event_type); 6184 } 6185 SCTP_INP_WUNLOCK(inp); 6186 } 6187 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6188 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6189 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6190 SCTP_INP_RLOCK(inp); 6191 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6192 SCTP_TCB_LOCK(stcb); 6193 if (event->se_on) { 6194 sctp_stcb_feature_on(inp, stcb, event_type); 6195 } else { 6196 sctp_stcb_feature_off(inp, stcb, event_type); 6197 } 6198 SCTP_TCB_UNLOCK(stcb); 6199 } 6200 SCTP_INP_RUNLOCK(inp); 6201 } 6202 } 6203 } else { 6204 if (stcb) { 6205 SCTP_TCB_UNLOCK(stcb); 6206 } 6207 } 6208 break; 6209 } 6210 case SCTP_RECVRCVINFO: 6211 { 6212 int *onoff; 6213 6214 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6215 SCTP_INP_WLOCK(inp); 6216 if (*onoff != 0) { 6217 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6218 } else { 6219 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6220 } 6221 SCTP_INP_WUNLOCK(inp); 6222 break; 6223 } 6224 case SCTP_RECVNXTINFO: 6225 { 6226 int *onoff; 6227 6228 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6229 SCTP_INP_WLOCK(inp); 6230 if (*onoff != 0) { 6231 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6232 } else { 6233 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6234 } 6235 SCTP_INP_WUNLOCK(inp); 6236 break; 6237 } 6238 case SCTP_DEFAULT_SNDINFO: 6239 { 6240 struct sctp_sndinfo *info; 6241 uint16_t policy; 6242 6243 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6244 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6245 6246 if (stcb) { 6247 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6248 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6249 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6250 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6251 stcb->asoc.def_send.sinfo_flags |= policy; 6252 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6253 stcb->asoc.def_send.sinfo_context = info->snd_context; 6254 } else { 6255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6256 error = EINVAL; 6257 } 6258 SCTP_TCB_UNLOCK(stcb); 6259 } else { 6260 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6261 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6262 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6263 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6264 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6265 SCTP_INP_WLOCK(inp); 6266 inp->def_send.sinfo_stream = info->snd_sid; 6267 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6268 inp->def_send.sinfo_flags = info->snd_flags; 6269 inp->def_send.sinfo_flags |= policy; 6270 inp->def_send.sinfo_ppid = info->snd_ppid; 6271 inp->def_send.sinfo_context = info->snd_context; 6272 SCTP_INP_WUNLOCK(inp); 6273 } 6274 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6275 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6276 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6277 SCTP_INP_RLOCK(inp); 6278 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6279 SCTP_TCB_LOCK(stcb); 6280 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6281 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6282 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6283 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6284 stcb->asoc.def_send.sinfo_flags |= policy; 6285 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6286 stcb->asoc.def_send.sinfo_context = info->snd_context; 6287 } 6288 SCTP_TCB_UNLOCK(stcb); 6289 } 6290 SCTP_INP_RUNLOCK(inp); 6291 } 6292 } 6293 break; 6294 } 6295 case SCTP_DEFAULT_PRINFO: 6296 { 6297 struct sctp_default_prinfo *info; 6298 6299 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6300 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6301 6302 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6303 if (stcb) { 6304 SCTP_TCB_UNLOCK(stcb); 6305 } 6306 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6307 error = EINVAL; 6308 break; 6309 } 6310 if (stcb) { 6311 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6312 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6313 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6314 SCTP_TCB_UNLOCK(stcb); 6315 } else { 6316 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6317 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6318 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6319 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6320 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6321 SCTP_INP_WLOCK(inp); 6322 inp->def_send.sinfo_flags &= 0xfff0; 6323 inp->def_send.sinfo_flags |= info->pr_policy; 6324 inp->def_send.sinfo_timetolive = info->pr_value; 6325 SCTP_INP_WUNLOCK(inp); 6326 } 6327 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6328 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6329 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6330 SCTP_INP_RLOCK(inp); 6331 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6332 SCTP_TCB_LOCK(stcb); 6333 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6334 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6335 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6336 SCTP_TCB_UNLOCK(stcb); 6337 } 6338 SCTP_INP_RUNLOCK(inp); 6339 } 6340 } 6341 break; 6342 } 6343 case SCTP_PEER_ADDR_THLDS: 6344 /* Applies to the specific association */ 6345 { 6346 struct sctp_paddrthlds *thlds; 6347 struct sctp_nets *net; 6348 struct sockaddr *addr; 6349 #if defined(INET) && defined(INET6) 6350 struct sockaddr_in sin_store; 6351 #endif 6352 6353 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6354 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6355 6356 #if defined(INET) && defined(INET6) 6357 if (thlds->spt_address.ss_family == AF_INET6) { 6358 struct sockaddr_in6 *sin6; 6359 6360 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6361 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6362 in6_sin6_2_sin(&sin_store, sin6); 6363 addr = (struct sockaddr *)&sin_store; 6364 } else { 6365 addr = (struct sockaddr *)&thlds->spt_address; 6366 } 6367 } else { 6368 addr = (struct sockaddr *)&thlds->spt_address; 6369 } 6370 #else 6371 addr = (struct sockaddr *)&thlds->spt_address; 6372 #endif 6373 if (stcb != NULL) { 6374 net = sctp_findnet(stcb, addr); 6375 } else { 6376 /* 6377 * We increment here since 6378 * sctp_findassociation_ep_addr() wil do a 6379 * decrement if it finds the stcb as long as 6380 * the locked tcb (last argument) is NOT a 6381 * TCB.. aka NULL. 6382 */ 6383 net = NULL; 6384 SCTP_INP_INCR_REF(inp); 6385 stcb = sctp_findassociation_ep_addr(&inp, addr, 6386 &net, NULL, NULL); 6387 if (stcb == NULL) { 6388 SCTP_INP_DECR_REF(inp); 6389 } 6390 } 6391 if ((stcb != NULL) && (net == NULL)) { 6392 #ifdef INET 6393 if (addr->sa_family == AF_INET) { 6394 6395 struct sockaddr_in *sin; 6396 6397 sin = (struct sockaddr_in *)addr; 6398 if (sin->sin_addr.s_addr != INADDR_ANY) { 6399 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6400 SCTP_TCB_UNLOCK(stcb); 6401 error = EINVAL; 6402 break; 6403 } 6404 } else 6405 #endif 6406 #ifdef INET6 6407 if (addr->sa_family == AF_INET6) { 6408 struct sockaddr_in6 *sin6; 6409 6410 sin6 = (struct sockaddr_in6 *)addr; 6411 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6412 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6413 SCTP_TCB_UNLOCK(stcb); 6414 error = EINVAL; 6415 break; 6416 } 6417 } else 6418 #endif 6419 { 6420 error = EAFNOSUPPORT; 6421 SCTP_TCB_UNLOCK(stcb); 6422 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6423 break; 6424 } 6425 } 6426 if (thlds->spt_pathcpthld != 0xffff) { 6427 if (stcb != NULL) { 6428 SCTP_TCB_UNLOCK(stcb); 6429 } 6430 error = EINVAL; 6431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6432 break; 6433 } 6434 if (stcb != NULL) { 6435 if (net != NULL) { 6436 net->failure_threshold = thlds->spt_pathmaxrxt; 6437 net->pf_threshold = thlds->spt_pathpfthld; 6438 if (net->dest_state & SCTP_ADDR_PF) { 6439 if ((net->error_count > net->failure_threshold) || 6440 (net->error_count <= net->pf_threshold)) { 6441 net->dest_state &= ~SCTP_ADDR_PF; 6442 } 6443 } else { 6444 if ((net->error_count > net->pf_threshold) && 6445 (net->error_count <= net->failure_threshold)) { 6446 net->dest_state |= SCTP_ADDR_PF; 6447 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6448 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6449 stcb->sctp_ep, stcb, net, 6450 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6451 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6452 } 6453 } 6454 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6455 if (net->error_count > net->failure_threshold) { 6456 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6457 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6458 } 6459 } else { 6460 if (net->error_count <= net->failure_threshold) { 6461 net->dest_state |= SCTP_ADDR_REACHABLE; 6462 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6463 } 6464 } 6465 } else { 6466 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6467 net->failure_threshold = thlds->spt_pathmaxrxt; 6468 net->pf_threshold = thlds->spt_pathpfthld; 6469 if (net->dest_state & SCTP_ADDR_PF) { 6470 if ((net->error_count > net->failure_threshold) || 6471 (net->error_count <= net->pf_threshold)) { 6472 net->dest_state &= ~SCTP_ADDR_PF; 6473 } 6474 } else { 6475 if ((net->error_count > net->pf_threshold) && 6476 (net->error_count <= net->failure_threshold)) { 6477 net->dest_state |= SCTP_ADDR_PF; 6478 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6479 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6480 stcb->sctp_ep, stcb, net, 6481 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6482 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6483 } 6484 } 6485 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6486 if (net->error_count > net->failure_threshold) { 6487 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6488 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6489 } 6490 } else { 6491 if (net->error_count <= net->failure_threshold) { 6492 net->dest_state |= SCTP_ADDR_REACHABLE; 6493 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6494 } 6495 } 6496 } 6497 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6498 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6499 } 6500 SCTP_TCB_UNLOCK(stcb); 6501 } else { 6502 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6503 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6504 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6505 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6506 SCTP_INP_WLOCK(inp); 6507 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6508 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6509 SCTP_INP_WUNLOCK(inp); 6510 } else { 6511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6512 error = EINVAL; 6513 } 6514 } 6515 break; 6516 } 6517 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6518 { 6519 struct sctp_udpencaps *encaps; 6520 struct sctp_nets *net; 6521 struct sockaddr *addr; 6522 #if defined(INET) && defined(INET6) 6523 struct sockaddr_in sin_store; 6524 #endif 6525 6526 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6527 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6528 6529 #if defined(INET) && defined(INET6) 6530 if (encaps->sue_address.ss_family == AF_INET6) { 6531 struct sockaddr_in6 *sin6; 6532 6533 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6534 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6535 in6_sin6_2_sin(&sin_store, sin6); 6536 addr = (struct sockaddr *)&sin_store; 6537 } else { 6538 addr = (struct sockaddr *)&encaps->sue_address; 6539 } 6540 } else { 6541 addr = (struct sockaddr *)&encaps->sue_address; 6542 } 6543 #else 6544 addr = (struct sockaddr *)&encaps->sue_address; 6545 #endif 6546 if (stcb != NULL) { 6547 net = sctp_findnet(stcb, addr); 6548 } else { 6549 /* 6550 * We increment here since 6551 * sctp_findassociation_ep_addr() wil do a 6552 * decrement if it finds the stcb as long as 6553 * the locked tcb (last argument) is NOT a 6554 * TCB.. aka NULL. 6555 */ 6556 net = NULL; 6557 SCTP_INP_INCR_REF(inp); 6558 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6559 if (stcb == NULL) { 6560 SCTP_INP_DECR_REF(inp); 6561 } 6562 } 6563 if ((stcb != NULL) && (net == NULL)) { 6564 #ifdef INET 6565 if (addr->sa_family == AF_INET) { 6566 6567 struct sockaddr_in *sin; 6568 6569 sin = (struct sockaddr_in *)addr; 6570 if (sin->sin_addr.s_addr != INADDR_ANY) { 6571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6572 SCTP_TCB_UNLOCK(stcb); 6573 error = EINVAL; 6574 break; 6575 } 6576 } else 6577 #endif 6578 #ifdef INET6 6579 if (addr->sa_family == AF_INET6) { 6580 struct sockaddr_in6 *sin6; 6581 6582 sin6 = (struct sockaddr_in6 *)addr; 6583 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6585 SCTP_TCB_UNLOCK(stcb); 6586 error = EINVAL; 6587 break; 6588 } 6589 } else 6590 #endif 6591 { 6592 error = EAFNOSUPPORT; 6593 SCTP_TCB_UNLOCK(stcb); 6594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6595 break; 6596 } 6597 } 6598 6599 if (stcb != NULL) { 6600 if (net != NULL) { 6601 net->port = encaps->sue_port; 6602 } else { 6603 stcb->asoc.port = encaps->sue_port; 6604 } 6605 SCTP_TCB_UNLOCK(stcb); 6606 } else { 6607 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6608 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6609 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6610 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6611 SCTP_INP_WLOCK(inp); 6612 inp->sctp_ep.port = encaps->sue_port; 6613 SCTP_INP_WUNLOCK(inp); 6614 } else { 6615 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6616 error = EINVAL; 6617 } 6618 } 6619 break; 6620 } 6621 case SCTP_ECN_SUPPORTED: 6622 { 6623 struct sctp_assoc_value *av; 6624 6625 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6626 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6627 6628 if (stcb) { 6629 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6630 error = EINVAL; 6631 SCTP_TCB_UNLOCK(stcb); 6632 } else { 6633 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6634 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6635 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6636 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6637 SCTP_INP_WLOCK(inp); 6638 if (av->assoc_value == 0) { 6639 inp->ecn_supported = 0; 6640 } else { 6641 inp->ecn_supported = 1; 6642 } 6643 SCTP_INP_WUNLOCK(inp); 6644 } else { 6645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6646 error = EINVAL; 6647 } 6648 } 6649 break; 6650 } 6651 case SCTP_PR_SUPPORTED: 6652 { 6653 struct sctp_assoc_value *av; 6654 6655 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6656 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6657 6658 if (stcb) { 6659 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6660 error = EINVAL; 6661 SCTP_TCB_UNLOCK(stcb); 6662 } else { 6663 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6664 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6665 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6666 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6667 SCTP_INP_WLOCK(inp); 6668 if (av->assoc_value == 0) { 6669 inp->prsctp_supported = 0; 6670 } else { 6671 inp->prsctp_supported = 1; 6672 } 6673 SCTP_INP_WUNLOCK(inp); 6674 } else { 6675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6676 error = EINVAL; 6677 } 6678 } 6679 break; 6680 } 6681 case SCTP_AUTH_SUPPORTED: 6682 { 6683 struct sctp_assoc_value *av; 6684 6685 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6686 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6687 6688 if (stcb) { 6689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6690 error = EINVAL; 6691 SCTP_TCB_UNLOCK(stcb); 6692 } else { 6693 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6694 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6695 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6696 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6697 if ((av->assoc_value == 0) && 6698 (inp->asconf_supported == 1)) { 6699 /* 6700 * AUTH is required for 6701 * ASCONF 6702 */ 6703 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6704 error = EINVAL; 6705 } else { 6706 SCTP_INP_WLOCK(inp); 6707 if (av->assoc_value == 0) { 6708 inp->auth_supported = 0; 6709 } else { 6710 inp->auth_supported = 1; 6711 } 6712 SCTP_INP_WUNLOCK(inp); 6713 } 6714 } else { 6715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6716 error = EINVAL; 6717 } 6718 } 6719 break; 6720 } 6721 case SCTP_ASCONF_SUPPORTED: 6722 { 6723 struct sctp_assoc_value *av; 6724 6725 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6726 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6727 6728 if (stcb) { 6729 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6730 error = EINVAL; 6731 SCTP_TCB_UNLOCK(stcb); 6732 } else { 6733 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6734 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6735 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6736 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6737 if ((av->assoc_value != 0) && 6738 (inp->auth_supported == 0)) { 6739 /* 6740 * AUTH is required for 6741 * ASCONF 6742 */ 6743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6744 error = EINVAL; 6745 } else { 6746 SCTP_INP_WLOCK(inp); 6747 if (av->assoc_value == 0) { 6748 inp->asconf_supported = 0; 6749 sctp_auth_delete_chunk(SCTP_ASCONF, 6750 inp->sctp_ep.local_auth_chunks); 6751 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6752 inp->sctp_ep.local_auth_chunks); 6753 } else { 6754 inp->asconf_supported = 1; 6755 sctp_auth_add_chunk(SCTP_ASCONF, 6756 inp->sctp_ep.local_auth_chunks); 6757 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6758 inp->sctp_ep.local_auth_chunks); 6759 } 6760 SCTP_INP_WUNLOCK(inp); 6761 } 6762 } else { 6763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6764 error = EINVAL; 6765 } 6766 } 6767 break; 6768 } 6769 case SCTP_RECONFIG_SUPPORTED: 6770 { 6771 struct sctp_assoc_value *av; 6772 6773 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6774 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6775 6776 if (stcb) { 6777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6778 error = EINVAL; 6779 SCTP_TCB_UNLOCK(stcb); 6780 } else { 6781 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6782 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6783 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6784 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6785 SCTP_INP_WLOCK(inp); 6786 if (av->assoc_value == 0) { 6787 inp->reconfig_supported = 0; 6788 } else { 6789 inp->reconfig_supported = 1; 6790 } 6791 SCTP_INP_WUNLOCK(inp); 6792 } else { 6793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6794 error = EINVAL; 6795 } 6796 } 6797 break; 6798 } 6799 case SCTP_NRSACK_SUPPORTED: 6800 { 6801 struct sctp_assoc_value *av; 6802 6803 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6804 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6805 6806 if (stcb) { 6807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6808 error = EINVAL; 6809 SCTP_TCB_UNLOCK(stcb); 6810 } else { 6811 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6812 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6813 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6814 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6815 SCTP_INP_WLOCK(inp); 6816 if (av->assoc_value == 0) { 6817 inp->nrsack_supported = 0; 6818 } else { 6819 inp->nrsack_supported = 1; 6820 } 6821 SCTP_INP_WUNLOCK(inp); 6822 } else { 6823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6824 error = EINVAL; 6825 } 6826 } 6827 break; 6828 } 6829 case SCTP_PKTDROP_SUPPORTED: 6830 { 6831 struct sctp_assoc_value *av; 6832 6833 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6834 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6835 6836 if (stcb) { 6837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6838 error = EINVAL; 6839 SCTP_TCB_UNLOCK(stcb); 6840 } else { 6841 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6842 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6843 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6844 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6845 SCTP_INP_WLOCK(inp); 6846 if (av->assoc_value == 0) { 6847 inp->pktdrop_supported = 0; 6848 } else { 6849 inp->pktdrop_supported = 1; 6850 } 6851 SCTP_INP_WUNLOCK(inp); 6852 } else { 6853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6854 error = EINVAL; 6855 } 6856 } 6857 break; 6858 } 6859 case SCTP_MAX_CWND: 6860 { 6861 struct sctp_assoc_value *av; 6862 struct sctp_nets *net; 6863 6864 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6865 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6866 6867 if (stcb) { 6868 stcb->asoc.max_cwnd = av->assoc_value; 6869 if (stcb->asoc.max_cwnd > 0) { 6870 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6871 if ((net->cwnd > stcb->asoc.max_cwnd) && 6872 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6873 net->cwnd = stcb->asoc.max_cwnd; 6874 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6875 net->cwnd = net->mtu - sizeof(struct sctphdr); 6876 } 6877 } 6878 } 6879 } 6880 SCTP_TCB_UNLOCK(stcb); 6881 } else { 6882 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6883 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6884 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6885 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6886 SCTP_INP_WLOCK(inp); 6887 inp->max_cwnd = av->assoc_value; 6888 SCTP_INP_WUNLOCK(inp); 6889 } else { 6890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6891 error = EINVAL; 6892 } 6893 } 6894 break; 6895 } 6896 default: 6897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6898 error = ENOPROTOOPT; 6899 break; 6900 } /* end switch (opt) */ 6901 return (error); 6902 } 6903 6904 int 6905 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6906 { 6907 struct epoch_tracker et; 6908 struct sctp_inpcb *inp; 6909 void *optval = NULL; 6910 void *p; 6911 size_t optsize = 0; 6912 int error = 0; 6913 6914 if ((sopt->sopt_level == SOL_SOCKET) && 6915 (sopt->sopt_name == SO_SETFIB)) { 6916 inp = (struct sctp_inpcb *)so->so_pcb; 6917 if (inp == NULL) { 6918 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6919 return (EINVAL); 6920 } 6921 SCTP_INP_WLOCK(inp); 6922 inp->fibnum = so->so_fibnum; 6923 SCTP_INP_WUNLOCK(inp); 6924 return (0); 6925 } 6926 if (sopt->sopt_level != IPPROTO_SCTP) { 6927 /* wrong proto level... send back up to IP */ 6928 #ifdef INET6 6929 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6930 error = ip6_ctloutput(so, sopt); 6931 #endif /* INET6 */ 6932 #if defined(INET) && defined(INET6) 6933 else 6934 #endif 6935 #ifdef INET 6936 error = ip_ctloutput(so, sopt); 6937 #endif 6938 return (error); 6939 } 6940 optsize = sopt->sopt_valsize; 6941 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6942 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6943 return (ENOBUFS); 6944 } 6945 if (optsize) { 6946 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6947 if (optval == NULL) { 6948 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6949 return (ENOBUFS); 6950 } 6951 error = sooptcopyin(sopt, optval, optsize, optsize); 6952 if (error) { 6953 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6954 goto out; 6955 } 6956 } 6957 p = (void *)sopt->sopt_td; 6958 if (sopt->sopt_dir == SOPT_SET) { 6959 NET_EPOCH_ENTER(et); 6960 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6961 NET_EPOCH_EXIT(et); 6962 } else if (sopt->sopt_dir == SOPT_GET) { 6963 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6964 } else { 6965 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6966 error = EINVAL; 6967 } 6968 if ((error == 0) && (optval != NULL)) { 6969 error = sooptcopyout(sopt, optval, optsize); 6970 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6971 } else if (optval != NULL) { 6972 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6973 } 6974 out: 6975 return (error); 6976 } 6977 6978 #ifdef INET 6979 static int 6980 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6981 { 6982 struct epoch_tracker et; 6983 int error = 0; 6984 int create_lock_on = 0; 6985 uint32_t vrf_id; 6986 struct sctp_inpcb *inp; 6987 struct sctp_tcb *stcb = NULL; 6988 6989 inp = (struct sctp_inpcb *)so->so_pcb; 6990 if (inp == NULL) { 6991 /* I made the same as TCP since we are not setup? */ 6992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6993 return (ECONNRESET); 6994 } 6995 if (addr == NULL) { 6996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6997 return EINVAL; 6998 } 6999 7000 switch (addr->sa_family) { 7001 #ifdef INET6 7002 case AF_INET6: 7003 { 7004 struct sockaddr_in6 *sin6; 7005 7006 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 7007 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7008 return (EINVAL); 7009 } 7010 sin6 = (struct sockaddr_in6 *)addr; 7011 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 7012 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7013 return (error); 7014 } 7015 break; 7016 } 7017 #endif 7018 #ifdef INET 7019 case AF_INET: 7020 { 7021 struct sockaddr_in *sin; 7022 7023 if (addr->sa_len != sizeof(struct sockaddr_in)) { 7024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7025 return (EINVAL); 7026 } 7027 sin = (struct sockaddr_in *)addr; 7028 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 7029 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7030 return (error); 7031 } 7032 break; 7033 } 7034 #endif 7035 default: 7036 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 7037 return (EAFNOSUPPORT); 7038 } 7039 SCTP_INP_INCR_REF(inp); 7040 SCTP_ASOC_CREATE_LOCK(inp); 7041 create_lock_on = 1; 7042 NET_EPOCH_ENTER(et); 7043 7044 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 7045 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 7046 /* Should I really unlock ? */ 7047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 7048 error = EFAULT; 7049 goto out_now; 7050 } 7051 #ifdef INET6 7052 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 7053 (addr->sa_family == AF_INET6)) { 7054 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7055 error = EINVAL; 7056 goto out_now; 7057 } 7058 #endif 7059 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 7060 SCTP_PCB_FLAGS_UNBOUND) { 7061 /* Bind a ephemeral port */ 7062 error = sctp_inpcb_bind(so, NULL, NULL, p); 7063 if (error) { 7064 goto out_now; 7065 } 7066 } 7067 /* Now do we connect? */ 7068 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7069 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7070 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7071 error = EINVAL; 7072 goto out_now; 7073 } 7074 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7075 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7076 /* We are already connected AND the TCP model */ 7077 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7078 error = EADDRINUSE; 7079 goto out_now; 7080 } 7081 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7082 SCTP_INP_RLOCK(inp); 7083 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7084 SCTP_INP_RUNLOCK(inp); 7085 } else { 7086 /* 7087 * We increment here since sctp_findassociation_ep_addr() 7088 * will do a decrement if it finds the stcb as long as the 7089 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7090 */ 7091 SCTP_INP_INCR_REF(inp); 7092 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7093 if (stcb == NULL) { 7094 SCTP_INP_DECR_REF(inp); 7095 } else { 7096 SCTP_TCB_UNLOCK(stcb); 7097 } 7098 } 7099 if (stcb != NULL) { 7100 /* Already have or am bring up an association */ 7101 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7102 error = EALREADY; 7103 goto out_now; 7104 } 7105 7106 vrf_id = inp->def_vrf_id; 7107 /* We are GOOD to go */ 7108 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7109 inp->sctp_ep.pre_open_stream_count, 7110 inp->sctp_ep.port, p, 7111 SCTP_INITIALIZE_AUTH_PARAMS); 7112 if (stcb == NULL) { 7113 /* Gak! no memory */ 7114 goto out_now; 7115 } 7116 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7117 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7118 /* Set the connected flag so we can queue data */ 7119 soisconnecting(so); 7120 } 7121 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7122 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7123 7124 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7125 SCTP_TCB_UNLOCK(stcb); 7126 out_now: 7127 NET_EPOCH_EXIT(et); 7128 if (create_lock_on) { 7129 SCTP_ASOC_CREATE_UNLOCK(inp); 7130 } 7131 SCTP_INP_DECR_REF(inp); 7132 return (error); 7133 } 7134 #endif 7135 7136 int 7137 sctp_listen(struct socket *so, int backlog, struct thread *p) 7138 { 7139 /* 7140 * Note this module depends on the protocol processing being called 7141 * AFTER any socket level flags and backlog are applied to the 7142 * socket. The traditional way that the socket flags are applied is 7143 * AFTER protocol processing. We have made a change to the 7144 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7145 * place if the socket API for SCTP is to work properly. 7146 */ 7147 7148 int error = 0; 7149 struct sctp_inpcb *inp; 7150 7151 inp = (struct sctp_inpcb *)so->so_pcb; 7152 if (inp == NULL) { 7153 /* I made the same as TCP since we are not setup? */ 7154 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7155 return (ECONNRESET); 7156 } 7157 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7158 /* See if we have a listener */ 7159 struct sctp_inpcb *tinp; 7160 union sctp_sockstore store; 7161 7162 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7163 /* not bound all */ 7164 struct sctp_laddr *laddr; 7165 7166 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7167 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7168 switch (store.sa.sa_family) { 7169 #ifdef INET 7170 case AF_INET: 7171 store.sin.sin_port = inp->sctp_lport; 7172 break; 7173 #endif 7174 #ifdef INET6 7175 case AF_INET6: 7176 store.sin6.sin6_port = inp->sctp_lport; 7177 break; 7178 #endif 7179 default: 7180 break; 7181 } 7182 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7183 if (tinp && (tinp != inp) && 7184 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7185 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7186 (SCTP_IS_LISTENING(tinp))) { 7187 /* 7188 * we have a listener already and 7189 * its not this inp. 7190 */ 7191 SCTP_INP_DECR_REF(tinp); 7192 return (EADDRINUSE); 7193 } else if (tinp) { 7194 SCTP_INP_DECR_REF(tinp); 7195 } 7196 } 7197 } else { 7198 /* Setup a local addr bound all */ 7199 memset(&store, 0, sizeof(store)); 7200 #ifdef INET6 7201 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7202 store.sa.sa_family = AF_INET6; 7203 store.sa.sa_len = sizeof(struct sockaddr_in6); 7204 } 7205 #endif 7206 #ifdef INET 7207 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7208 store.sa.sa_family = AF_INET; 7209 store.sa.sa_len = sizeof(struct sockaddr_in); 7210 } 7211 #endif 7212 switch (store.sa.sa_family) { 7213 #ifdef INET 7214 case AF_INET: 7215 store.sin.sin_port = inp->sctp_lport; 7216 break; 7217 #endif 7218 #ifdef INET6 7219 case AF_INET6: 7220 store.sin6.sin6_port = inp->sctp_lport; 7221 break; 7222 #endif 7223 default: 7224 break; 7225 } 7226 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7227 if (tinp && (tinp != inp) && 7228 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7229 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7230 (SCTP_IS_LISTENING(tinp))) { 7231 /* 7232 * we have a listener already and its not 7233 * this inp. 7234 */ 7235 SCTP_INP_DECR_REF(tinp); 7236 return (EADDRINUSE); 7237 } else if (tinp) { 7238 SCTP_INP_DECR_REF(tinp); 7239 } 7240 } 7241 } 7242 SCTP_INP_RLOCK(inp); 7243 #ifdef SCTP_LOCK_LOGGING 7244 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7245 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7246 } 7247 #endif 7248 SOCK_LOCK(so); 7249 error = solisten_proto_check(so); 7250 SOCK_UNLOCK(so); 7251 if (error) { 7252 SCTP_INP_RUNLOCK(inp); 7253 return (error); 7254 } 7255 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7256 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7257 /* 7258 * The unlucky case - We are in the tcp pool with this guy. 7259 * - Someone else is in the main inp slot. - We must move 7260 * this guy (the listener) to the main slot - We must then 7261 * move the guy that was listener to the TCP Pool. 7262 */ 7263 if (sctp_swap_inpcb_for_listen(inp)) { 7264 SCTP_INP_RUNLOCK(inp); 7265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7266 return (EADDRINUSE); 7267 } 7268 } 7269 7270 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7271 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7272 /* We are already connected AND the TCP model */ 7273 SCTP_INP_RUNLOCK(inp); 7274 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7275 return (EADDRINUSE); 7276 } 7277 SCTP_INP_RUNLOCK(inp); 7278 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7279 /* We must do a bind. */ 7280 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7281 /* bind error, probably perm */ 7282 return (error); 7283 } 7284 } 7285 SCTP_INP_WLOCK(inp); 7286 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7287 SOCK_LOCK(so); 7288 solisten_proto(so, backlog); 7289 SOCK_UNLOCK(so); 7290 } 7291 if (backlog > 0) { 7292 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7293 } else { 7294 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7295 } 7296 SCTP_INP_WUNLOCK(inp); 7297 return (error); 7298 } 7299 7300 static int sctp_defered_wakeup_cnt = 0; 7301 7302 int 7303 sctp_accept(struct socket *so, struct sockaddr **addr) 7304 { 7305 struct sctp_tcb *stcb; 7306 struct sctp_inpcb *inp; 7307 union sctp_sockstore store; 7308 #ifdef INET6 7309 int error; 7310 #endif 7311 inp = (struct sctp_inpcb *)so->so_pcb; 7312 7313 if (inp == NULL) { 7314 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7315 return (ECONNRESET); 7316 } 7317 SCTP_INP_WLOCK(inp); 7318 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7319 SCTP_INP_WUNLOCK(inp); 7320 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7321 return (EOPNOTSUPP); 7322 } 7323 if (so->so_state & SS_ISDISCONNECTED) { 7324 SCTP_INP_WUNLOCK(inp); 7325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7326 return (ECONNABORTED); 7327 } 7328 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7329 if (stcb == NULL) { 7330 SCTP_INP_WUNLOCK(inp); 7331 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7332 return (ECONNRESET); 7333 } 7334 SCTP_TCB_LOCK(stcb); 7335 store = stcb->asoc.primary_destination->ro._l_addr; 7336 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7337 /* Wake any delayed sleep action */ 7338 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7339 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7340 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7341 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7342 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7343 if (sowriteable(inp->sctp_socket)) { 7344 sowwakeup_locked(inp->sctp_socket); 7345 } else { 7346 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7347 } 7348 } 7349 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7350 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7351 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7352 if (soreadable(inp->sctp_socket)) { 7353 sctp_defered_wakeup_cnt++; 7354 sorwakeup_locked(inp->sctp_socket); 7355 } else { 7356 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7357 } 7358 } 7359 } 7360 SCTP_INP_WUNLOCK(inp); 7361 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7362 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7363 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7364 } else { 7365 SCTP_TCB_UNLOCK(stcb); 7366 } 7367 switch (store.sa.sa_family) { 7368 #ifdef INET 7369 case AF_INET: 7370 { 7371 struct sockaddr_in *sin; 7372 7373 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7374 if (sin == NULL) 7375 return (ENOMEM); 7376 sin->sin_family = AF_INET; 7377 sin->sin_len = sizeof(*sin); 7378 sin->sin_port = store.sin.sin_port; 7379 sin->sin_addr = store.sin.sin_addr; 7380 *addr = (struct sockaddr *)sin; 7381 break; 7382 } 7383 #endif 7384 #ifdef INET6 7385 case AF_INET6: 7386 { 7387 struct sockaddr_in6 *sin6; 7388 7389 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7390 if (sin6 == NULL) 7391 return (ENOMEM); 7392 sin6->sin6_family = AF_INET6; 7393 sin6->sin6_len = sizeof(*sin6); 7394 sin6->sin6_port = store.sin6.sin6_port; 7395 sin6->sin6_addr = store.sin6.sin6_addr; 7396 if ((error = sa6_recoverscope(sin6)) != 0) { 7397 SCTP_FREE_SONAME(sin6); 7398 return (error); 7399 } 7400 *addr = (struct sockaddr *)sin6; 7401 break; 7402 } 7403 #endif 7404 default: 7405 /* TSNH */ 7406 break; 7407 } 7408 return (0); 7409 } 7410 7411 #ifdef INET 7412 int 7413 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7414 { 7415 struct sockaddr_in *sin; 7416 uint32_t vrf_id; 7417 struct sctp_inpcb *inp; 7418 struct sctp_ifa *sctp_ifa; 7419 7420 /* 7421 * Do the malloc first in case it blocks. 7422 */ 7423 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7424 if (sin == NULL) 7425 return (ENOMEM); 7426 sin->sin_family = AF_INET; 7427 sin->sin_len = sizeof(*sin); 7428 inp = (struct sctp_inpcb *)so->so_pcb; 7429 if (!inp) { 7430 SCTP_FREE_SONAME(sin); 7431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7432 return (ECONNRESET); 7433 } 7434 SCTP_INP_RLOCK(inp); 7435 sin->sin_port = inp->sctp_lport; 7436 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7437 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7438 struct sctp_tcb *stcb; 7439 struct sockaddr_in *sin_a; 7440 struct sctp_nets *net; 7441 int fnd; 7442 7443 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7444 if (stcb == NULL) { 7445 goto notConn; 7446 } 7447 fnd = 0; 7448 sin_a = NULL; 7449 SCTP_TCB_LOCK(stcb); 7450 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7451 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7452 if (sin_a == NULL) 7453 /* this will make coverity happy */ 7454 continue; 7455 7456 if (sin_a->sin_family == AF_INET) { 7457 fnd = 1; 7458 break; 7459 } 7460 } 7461 if ((!fnd) || (sin_a == NULL)) { 7462 /* punt */ 7463 SCTP_TCB_UNLOCK(stcb); 7464 goto notConn; 7465 } 7466 7467 vrf_id = inp->def_vrf_id; 7468 sctp_ifa = sctp_source_address_selection(inp, 7469 stcb, 7470 (sctp_route_t *)&net->ro, 7471 net, 0, vrf_id); 7472 if (sctp_ifa) { 7473 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7474 sctp_free_ifa(sctp_ifa); 7475 } 7476 SCTP_TCB_UNLOCK(stcb); 7477 } else { 7478 /* For the bound all case you get back 0 */ 7479 notConn: 7480 sin->sin_addr.s_addr = 0; 7481 } 7482 7483 } else { 7484 /* Take the first IPv4 address in the list */ 7485 struct sctp_laddr *laddr; 7486 int fnd = 0; 7487 7488 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7489 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7490 struct sockaddr_in *sin_a; 7491 7492 sin_a = &laddr->ifa->address.sin; 7493 sin->sin_addr = sin_a->sin_addr; 7494 fnd = 1; 7495 break; 7496 } 7497 } 7498 if (!fnd) { 7499 SCTP_FREE_SONAME(sin); 7500 SCTP_INP_RUNLOCK(inp); 7501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7502 return (ENOENT); 7503 } 7504 } 7505 SCTP_INP_RUNLOCK(inp); 7506 (*addr) = (struct sockaddr *)sin; 7507 return (0); 7508 } 7509 7510 int 7511 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7512 { 7513 struct sockaddr_in *sin; 7514 int fnd; 7515 struct sockaddr_in *sin_a; 7516 struct sctp_inpcb *inp; 7517 struct sctp_tcb *stcb; 7518 struct sctp_nets *net; 7519 7520 /* Do the malloc first in case it blocks. */ 7521 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7522 if (sin == NULL) 7523 return (ENOMEM); 7524 sin->sin_family = AF_INET; 7525 sin->sin_len = sizeof(*sin); 7526 7527 inp = (struct sctp_inpcb *)so->so_pcb; 7528 if ((inp == NULL) || 7529 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7530 /* UDP type and listeners will drop out here */ 7531 SCTP_FREE_SONAME(sin); 7532 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7533 return (ENOTCONN); 7534 } 7535 SCTP_INP_RLOCK(inp); 7536 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7537 if (stcb) { 7538 SCTP_TCB_LOCK(stcb); 7539 } 7540 SCTP_INP_RUNLOCK(inp); 7541 if (stcb == NULL) { 7542 SCTP_FREE_SONAME(sin); 7543 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7544 return (ECONNRESET); 7545 } 7546 fnd = 0; 7547 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7548 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7549 if (sin_a->sin_family == AF_INET) { 7550 fnd = 1; 7551 sin->sin_port = stcb->rport; 7552 sin->sin_addr = sin_a->sin_addr; 7553 break; 7554 } 7555 } 7556 SCTP_TCB_UNLOCK(stcb); 7557 if (!fnd) { 7558 /* No IPv4 address */ 7559 SCTP_FREE_SONAME(sin); 7560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7561 return (ENOENT); 7562 } 7563 (*addr) = (struct sockaddr *)sin; 7564 return (0); 7565 } 7566 7567 struct pr_usrreqs sctp_usrreqs = { 7568 .pru_abort = sctp_abort, 7569 .pru_accept = sctp_accept, 7570 .pru_attach = sctp_attach, 7571 .pru_bind = sctp_bind, 7572 .pru_connect = sctp_connect, 7573 .pru_control = in_control, 7574 .pru_close = sctp_close, 7575 .pru_detach = sctp_close, 7576 .pru_sopoll = sopoll_generic, 7577 .pru_flush = sctp_flush, 7578 .pru_disconnect = sctp_disconnect, 7579 .pru_listen = sctp_listen, 7580 .pru_peeraddr = sctp_peeraddr, 7581 .pru_send = sctp_sendm, 7582 .pru_shutdown = sctp_shutdown, 7583 .pru_sockaddr = sctp_ingetaddr, 7584 .pru_sosend = sctp_sosend, 7585 .pru_soreceive = sctp_soreceive 7586 }; 7587 #endif 7588