1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <netinet/sctp_os.h> 39 #include <sys/proc.h> 40 #include <netinet/sctp_pcb.h> 41 #include <netinet/sctp_header.h> 42 #include <netinet/sctp_var.h> 43 #ifdef INET6 44 #include <netinet6/sctp6_var.h> 45 #endif 46 #include <netinet/sctp_sysctl.h> 47 #include <netinet/sctp_output.h> 48 #include <netinet/sctp_uio.h> 49 #include <netinet/sctp_asconf.h> 50 #include <netinet/sctputil.h> 51 #include <netinet/sctp_indata.h> 52 #include <netinet/sctp_timer.h> 53 #include <netinet/sctp_auth.h> 54 #include <netinet/sctp_bsd_addr.h> 55 #include <netinet/udp.h> 56 #include <sys/eventhandler.h> 57 58 59 extern const struct sctp_cc_functions sctp_cc_functions[]; 60 extern const struct sctp_ss_functions sctp_ss_functions[]; 61 62 void 63 sctp_init(void) 64 { 65 u_long sb_max_adj; 66 67 /* Initialize and modify the sysctled variables */ 68 sctp_init_sysctls(); 69 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 70 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 71 /* 72 * Allow a user to take no more than 1/2 the number of clusters or 73 * the SB_MAX, whichever is smaller, for the send window. 74 */ 75 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 76 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 77 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 78 /* 79 * Now for the recv window, should we take the same amount? or 80 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 81 * now I will just copy. 82 */ 83 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 84 SCTP_BASE_VAR(first_time) = 0; 85 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 86 sctp_pcb_init(); 87 #if defined(SCTP_PACKET_LOGGING) 88 SCTP_BASE_VAR(packet_log_writers) = 0; 89 SCTP_BASE_VAR(packet_log_end) = 0; 90 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 91 #endif 92 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, 93 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); 94 } 95 96 #ifdef VIMAGE 97 static void 98 sctp_finish(void *unused __unused) 99 { 100 EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag)); 101 sctp_pcb_finish(); 102 } 103 104 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 105 #endif 106 107 void 108 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 109 { 110 struct sctp_tmit_chunk *chk; 111 uint16_t overhead; 112 113 /* Adjust that too */ 114 stcb->asoc.smallest_mtu = nxtsz; 115 /* now off to subtract IP_DF flag if needed */ 116 overhead = IP_HDR_SIZE + sizeof(struct sctphdr); 117 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 118 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 119 } 120 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 121 if ((chk->send_size + overhead) > nxtsz) { 122 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 123 } 124 } 125 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 126 if ((chk->send_size + overhead) > nxtsz) { 127 /* 128 * For this guy we also mark for immediate resend 129 * since we sent to big of chunk 130 */ 131 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 132 if (chk->sent < SCTP_DATAGRAM_RESEND) { 133 sctp_flight_size_decrease(chk); 134 sctp_total_flight_decrease(stcb, chk); 135 chk->sent = SCTP_DATAGRAM_RESEND; 136 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 137 chk->rec.data.doing_fast_retransmit = 0; 138 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 139 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 140 chk->whoTo->flight_size, 141 chk->book_size, 142 (uint32_t)(uintptr_t)chk->whoTo, 143 chk->rec.data.tsn); 144 } 145 /* Clear any time so NO RTT is being done */ 146 if (chk->do_rtt == 1) { 147 chk->do_rtt = 0; 148 chk->whoTo->rto_needed = 1; 149 } 150 } 151 } 152 } 153 } 154 155 #ifdef INET 156 void 157 sctp_notify(struct sctp_inpcb *inp, 158 struct sctp_tcb *stcb, 159 struct sctp_nets *net, 160 uint8_t icmp_type, 161 uint8_t icmp_code, 162 uint16_t ip_len, 163 uint32_t next_mtu) 164 { 165 int timer_stopped; 166 167 if (icmp_type != ICMP_UNREACH) { 168 /* We only care about unreachable */ 169 SCTP_TCB_UNLOCK(stcb); 170 return; 171 } 172 if ((icmp_code == ICMP_UNREACH_NET) || 173 (icmp_code == ICMP_UNREACH_HOST) || 174 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 175 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 176 (icmp_code == ICMP_UNREACH_ISOLATED) || 177 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 178 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 179 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 180 /* Mark the net unreachable. */ 181 if (net->dest_state & SCTP_ADDR_REACHABLE) { 182 /* OK, that destination is NOT reachable. */ 183 net->dest_state &= ~SCTP_ADDR_REACHABLE; 184 net->dest_state &= ~SCTP_ADDR_PF; 185 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 186 stcb, 0, 187 (void *)net, SCTP_SO_NOT_LOCKED); 188 } 189 SCTP_TCB_UNLOCK(stcb); 190 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 191 (icmp_code == ICMP_UNREACH_PORT)) { 192 /* Treat it like an ABORT. */ 193 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 194 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 195 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 196 /* no need to unlock here, since the TCB is gone */ 197 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 198 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 199 SCTP_TCB_UNLOCK(stcb); 200 return; 201 } 202 /* Find the next (smaller) MTU */ 203 if (next_mtu == 0) { 204 /* 205 * Old type router that does not tell us what the 206 * next MTU is. Rats we will have to guess (in a 207 * educated fashion of course). 208 */ 209 next_mtu = sctp_get_prev_mtu(ip_len); 210 } 211 /* Stop the PMTU timer. */ 212 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 213 timer_stopped = 1; 214 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 215 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 216 } else { 217 timer_stopped = 0; 218 } 219 /* Update the path MTU. */ 220 if (net->port) { 221 next_mtu -= sizeof(struct udphdr); 222 } 223 if (net->mtu > next_mtu) { 224 net->mtu = next_mtu; 225 if (net->port) { 226 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 227 } else { 228 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 229 } 230 } 231 /* Update the association MTU */ 232 if (stcb->asoc.smallest_mtu > next_mtu) { 233 sctp_pathmtu_adjustment(stcb, next_mtu); 234 } 235 /* Finally, start the PMTU timer if it was running before. */ 236 if (timer_stopped) { 237 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 238 } 239 SCTP_TCB_UNLOCK(stcb); 240 } else { 241 SCTP_TCB_UNLOCK(stcb); 242 } 243 } 244 245 void 246 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 247 { 248 struct ip *outer_ip; 249 struct ip *inner_ip; 250 struct sctphdr *sh; 251 struct icmp *icmp; 252 struct sctp_inpcb *inp; 253 struct sctp_tcb *stcb; 254 struct sctp_nets *net; 255 struct sctp_init_chunk *ch; 256 struct sockaddr_in src, dst; 257 258 if (sa->sa_family != AF_INET || 259 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 260 return; 261 } 262 if (PRC_IS_REDIRECT(cmd)) { 263 vip = NULL; 264 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 265 return; 266 } 267 if (vip != NULL) { 268 inner_ip = (struct ip *)vip; 269 icmp = (struct icmp *)((caddr_t)inner_ip - 270 (sizeof(struct icmp) - sizeof(struct ip))); 271 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 272 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 273 memset(&src, 0, sizeof(struct sockaddr_in)); 274 src.sin_family = AF_INET; 275 src.sin_len = sizeof(struct sockaddr_in); 276 src.sin_port = sh->src_port; 277 src.sin_addr = inner_ip->ip_src; 278 memset(&dst, 0, sizeof(struct sockaddr_in)); 279 dst.sin_family = AF_INET; 280 dst.sin_len = sizeof(struct sockaddr_in); 281 dst.sin_port = sh->dest_port; 282 dst.sin_addr = inner_ip->ip_dst; 283 /* 284 * 'dst' holds the dest of the packet that failed to be 285 * sent. 'src' holds our local endpoint address. Thus we 286 * reverse the dst and the src in the lookup. 287 */ 288 inp = NULL; 289 net = NULL; 290 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 291 (struct sockaddr *)&src, 292 &inp, &net, 1, 293 SCTP_DEFAULT_VRFID); 294 if ((stcb != NULL) && 295 (net != NULL) && 296 (inp != NULL)) { 297 /* Check the verification tag */ 298 if (ntohl(sh->v_tag) != 0) { 299 /* 300 * This must be the verification tag used 301 * for sending out packets. We don't 302 * consider packets reflecting the 303 * verification tag. 304 */ 305 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 306 SCTP_TCB_UNLOCK(stcb); 307 return; 308 } 309 } else { 310 if (ntohs(outer_ip->ip_len) >= 311 sizeof(struct ip) + 312 8 + (inner_ip->ip_hl << 2) + 20) { 313 /* 314 * In this case we can check if we 315 * got an INIT chunk and if the 316 * initiate tag matches. 317 */ 318 ch = (struct sctp_init_chunk *)(sh + 1); 319 if ((ch->ch.chunk_type != SCTP_INITIATION) || 320 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 321 SCTP_TCB_UNLOCK(stcb); 322 return; 323 } 324 } else { 325 SCTP_TCB_UNLOCK(stcb); 326 return; 327 } 328 } 329 sctp_notify(inp, stcb, net, 330 icmp->icmp_type, 331 icmp->icmp_code, 332 ntohs(inner_ip->ip_len), 333 (uint32_t)ntohs(icmp->icmp_nextmtu)); 334 } else { 335 if ((stcb == NULL) && (inp != NULL)) { 336 /* reduce ref-count */ 337 SCTP_INP_WLOCK(inp); 338 SCTP_INP_DECR_REF(inp); 339 SCTP_INP_WUNLOCK(inp); 340 } 341 if (stcb) { 342 SCTP_TCB_UNLOCK(stcb); 343 } 344 } 345 } 346 return; 347 } 348 #endif 349 350 static int 351 sctp_getcred(SYSCTL_HANDLER_ARGS) 352 { 353 struct xucred xuc; 354 struct sockaddr_in addrs[2]; 355 struct sctp_inpcb *inp; 356 struct sctp_nets *net; 357 struct sctp_tcb *stcb; 358 int error; 359 uint32_t vrf_id; 360 361 /* FIX, for non-bsd is this right? */ 362 vrf_id = SCTP_DEFAULT_VRFID; 363 364 error = priv_check(req->td, PRIV_NETINET_GETCRED); 365 366 if (error) 367 return (error); 368 369 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 370 if (error) 371 return (error); 372 373 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 374 sintosa(&addrs[0]), 375 &inp, &net, 1, vrf_id); 376 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 377 if ((inp != NULL) && (stcb == NULL)) { 378 /* reduce ref-count */ 379 SCTP_INP_WLOCK(inp); 380 SCTP_INP_DECR_REF(inp); 381 goto cred_can_cont; 382 } 383 384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 385 error = ENOENT; 386 goto out; 387 } 388 SCTP_TCB_UNLOCK(stcb); 389 /* 390 * We use the write lock here, only since in the error leg we need 391 * it. If we used RLOCK, then we would have to 392 * wlock/decr/unlock/rlock. Which in theory could create a hole. 393 * Better to use higher wlock. 394 */ 395 SCTP_INP_WLOCK(inp); 396 cred_can_cont: 397 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 398 if (error) { 399 SCTP_INP_WUNLOCK(inp); 400 goto out; 401 } 402 cru2x(inp->sctp_socket->so_cred, &xuc); 403 SCTP_INP_WUNLOCK(inp); 404 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 405 out: 406 return (error); 407 } 408 409 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 410 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 411 0, 0, sctp_getcred, "S,ucred", 412 "Get the ucred of a SCTP connection"); 413 414 415 #ifdef INET 416 static void 417 sctp_abort(struct socket *so) 418 { 419 struct epoch_tracker et; 420 struct sctp_inpcb *inp; 421 uint32_t flags; 422 423 inp = (struct sctp_inpcb *)so->so_pcb; 424 if (inp == NULL) { 425 return; 426 } 427 428 NET_EPOCH_ENTER(et); 429 sctp_must_try_again: 430 flags = inp->sctp_flags; 431 #ifdef SCTP_LOG_CLOSING 432 sctp_log_closing(inp, NULL, 17); 433 #endif 434 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 435 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 436 #ifdef SCTP_LOG_CLOSING 437 sctp_log_closing(inp, NULL, 16); 438 #endif 439 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 440 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 441 SOCK_LOCK(so); 442 SCTP_SB_CLEAR(so->so_snd); 443 /* 444 * same for the rcv ones, they are only here for the 445 * accounting/select. 446 */ 447 SCTP_SB_CLEAR(so->so_rcv); 448 449 /* Now null out the reference, we are completely detached. */ 450 so->so_pcb = NULL; 451 SOCK_UNLOCK(so); 452 } else { 453 flags = inp->sctp_flags; 454 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 455 goto sctp_must_try_again; 456 } 457 } 458 NET_EPOCH_EXIT(et); 459 return; 460 } 461 462 static int 463 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 464 { 465 struct sctp_inpcb *inp; 466 struct inpcb *ip_inp; 467 int error; 468 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 469 470 inp = (struct sctp_inpcb *)so->so_pcb; 471 if (inp != NULL) { 472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 473 return (EINVAL); 474 } 475 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 476 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 477 if (error) { 478 return (error); 479 } 480 } 481 error = sctp_inpcb_alloc(so, vrf_id); 482 if (error) { 483 return (error); 484 } 485 inp = (struct sctp_inpcb *)so->so_pcb; 486 SCTP_INP_WLOCK(inp); 487 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 488 ip_inp = &inp->ip_inp.inp; 489 ip_inp->inp_vflag |= INP_IPV4; 490 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 491 SCTP_INP_WUNLOCK(inp); 492 return (0); 493 } 494 495 static int 496 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 497 { 498 struct sctp_inpcb *inp; 499 500 inp = (struct sctp_inpcb *)so->so_pcb; 501 if (inp == NULL) { 502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 503 return (EINVAL); 504 } 505 if (addr != NULL) { 506 if ((addr->sa_family != AF_INET) || 507 (addr->sa_len != sizeof(struct sockaddr_in))) { 508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 509 return (EINVAL); 510 } 511 } 512 return (sctp_inpcb_bind(so, addr, NULL, p)); 513 } 514 515 #endif 516 void 517 sctp_close(struct socket *so) 518 { 519 struct epoch_tracker et; 520 struct sctp_inpcb *inp; 521 uint32_t flags; 522 523 inp = (struct sctp_inpcb *)so->so_pcb; 524 if (inp == NULL) 525 return; 526 527 /* 528 * Inform all the lower layer assoc that we are done. 529 */ 530 NET_EPOCH_ENTER(et); 531 sctp_must_try_again: 532 flags = inp->sctp_flags; 533 #ifdef SCTP_LOG_CLOSING 534 sctp_log_closing(inp, NULL, 17); 535 #endif 536 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 537 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 538 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 539 (so->so_rcv.sb_cc > 0)) { 540 #ifdef SCTP_LOG_CLOSING 541 sctp_log_closing(inp, NULL, 13); 542 #endif 543 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 544 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 545 } else { 546 #ifdef SCTP_LOG_CLOSING 547 sctp_log_closing(inp, NULL, 14); 548 #endif 549 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 550 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 551 } 552 /* 553 * The socket is now detached, no matter what the state of 554 * the SCTP association. 555 */ 556 SOCK_LOCK(so); 557 SCTP_SB_CLEAR(so->so_snd); 558 /* 559 * same for the rcv ones, they are only here for the 560 * accounting/select. 561 */ 562 SCTP_SB_CLEAR(so->so_rcv); 563 564 /* Now null out the reference, we are completely detached. */ 565 so->so_pcb = NULL; 566 SOCK_UNLOCK(so); 567 } else { 568 flags = inp->sctp_flags; 569 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 570 goto sctp_must_try_again; 571 } 572 } 573 NET_EPOCH_EXIT(et); 574 return; 575 } 576 577 578 int 579 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 580 struct mbuf *control, struct thread *p); 581 582 583 int 584 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 585 struct mbuf *control, struct thread *p) 586 { 587 struct sctp_inpcb *inp; 588 int error; 589 590 inp = (struct sctp_inpcb *)so->so_pcb; 591 if (inp == NULL) { 592 if (control) { 593 sctp_m_freem(control); 594 control = NULL; 595 } 596 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 597 sctp_m_freem(m); 598 return (EINVAL); 599 } 600 /* Got to have an to address if we are NOT a connected socket */ 601 if ((addr == NULL) && 602 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 603 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 604 goto connected_type; 605 } else if (addr == NULL) { 606 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 607 error = EDESTADDRREQ; 608 sctp_m_freem(m); 609 if (control) { 610 sctp_m_freem(control); 611 control = NULL; 612 } 613 return (error); 614 } 615 #ifdef INET6 616 if (addr->sa_family != AF_INET) { 617 /* must be a v4 address! */ 618 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 619 sctp_m_freem(m); 620 if (control) { 621 sctp_m_freem(control); 622 control = NULL; 623 } 624 error = EDESTADDRREQ; 625 return (error); 626 } 627 #endif /* INET6 */ 628 connected_type: 629 /* now what about control */ 630 if (control) { 631 if (inp->control) { 632 sctp_m_freem(inp->control); 633 inp->control = NULL; 634 } 635 inp->control = control; 636 } 637 /* Place the data */ 638 if (inp->pkt) { 639 SCTP_BUF_NEXT(inp->pkt_last) = m; 640 inp->pkt_last = m; 641 } else { 642 inp->pkt_last = inp->pkt = m; 643 } 644 if ( 645 /* FreeBSD uses a flag passed */ 646 ((flags & PRUS_MORETOCOME) == 0) 647 ) { 648 /* 649 * note with the current version this code will only be used 650 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 651 * re-defining sosend to use the sctp_sosend. One can 652 * optionally switch back to this code (by changing back the 653 * definitions) but this is not advisable. This code is used 654 * by FreeBSD when sending a file with sendfile() though. 655 */ 656 struct epoch_tracker et; 657 int ret; 658 659 NET_EPOCH_ENTER(et); 660 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 661 NET_EPOCH_EXIT(et); 662 inp->pkt = NULL; 663 inp->control = NULL; 664 return (ret); 665 } else { 666 return (0); 667 } 668 } 669 670 int 671 sctp_disconnect(struct socket *so) 672 { 673 struct sctp_inpcb *inp; 674 675 inp = (struct sctp_inpcb *)so->so_pcb; 676 if (inp == NULL) { 677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 678 return (ENOTCONN); 679 } 680 SCTP_INP_RLOCK(inp); 681 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 682 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 683 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 684 /* No connection */ 685 SCTP_INP_RUNLOCK(inp); 686 return (0); 687 } else { 688 struct epoch_tracker et; 689 struct sctp_association *asoc; 690 struct sctp_tcb *stcb; 691 692 stcb = LIST_FIRST(&inp->sctp_asoc_list); 693 if (stcb == NULL) { 694 SCTP_INP_RUNLOCK(inp); 695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 696 return (EINVAL); 697 } 698 SCTP_TCB_LOCK(stcb); 699 asoc = &stcb->asoc; 700 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 701 /* We are about to be freed, out of here */ 702 SCTP_TCB_UNLOCK(stcb); 703 SCTP_INP_RUNLOCK(inp); 704 return (0); 705 } 706 NET_EPOCH_ENTER(et); 707 if (((so->so_options & SO_LINGER) && 708 (so->so_linger == 0)) || 709 (so->so_rcv.sb_cc > 0)) { 710 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 711 /* Left with Data unread */ 712 struct mbuf *op_err; 713 714 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 715 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 716 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 717 } 718 SCTP_INP_RUNLOCK(inp); 719 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 720 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 721 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 722 } 723 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 724 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 725 /* No unlock tcb assoc is gone */ 726 NET_EPOCH_EXIT(et); 727 return (0); 728 } 729 if (TAILQ_EMPTY(&asoc->send_queue) && 730 TAILQ_EMPTY(&asoc->sent_queue) && 731 (asoc->stream_queue_cnt == 0)) { 732 /* there is nothing queued to send, so done */ 733 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 734 goto abort_anyway; 735 } 736 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 737 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 738 /* only send SHUTDOWN 1st time thru */ 739 struct sctp_nets *netp; 740 741 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 742 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 743 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 744 } 745 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 746 sctp_stop_timers_for_shutdown(stcb); 747 if (stcb->asoc.alternate) { 748 netp = stcb->asoc.alternate; 749 } else { 750 netp = stcb->asoc.primary_destination; 751 } 752 sctp_send_shutdown(stcb, netp); 753 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 754 stcb->sctp_ep, stcb, netp); 755 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 756 stcb->sctp_ep, stcb, NULL); 757 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 758 } 759 } else { 760 /* 761 * we still got (or just got) data to send, 762 * so set SHUTDOWN_PENDING 763 */ 764 /* 765 * XXX sockets draft says that SCTP_EOF 766 * should be sent with no data. currently, 767 * we will allow user data to be sent first 768 * and move to SHUTDOWN-PENDING 769 */ 770 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 771 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 772 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 773 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 774 } 775 if (TAILQ_EMPTY(&asoc->send_queue) && 776 TAILQ_EMPTY(&asoc->sent_queue) && 777 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 778 struct mbuf *op_err; 779 780 abort_anyway: 781 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 782 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 783 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 784 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 785 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 786 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 787 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 788 } 789 SCTP_INP_RUNLOCK(inp); 790 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 791 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 792 NET_EPOCH_EXIT(et); 793 return (0); 794 } else { 795 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 796 } 797 } 798 soisdisconnecting(so); 799 NET_EPOCH_EXIT(et); 800 SCTP_TCB_UNLOCK(stcb); 801 SCTP_INP_RUNLOCK(inp); 802 return (0); 803 } 804 /* not reached */ 805 } else { 806 /* UDP model does not support this */ 807 SCTP_INP_RUNLOCK(inp); 808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 809 return (EOPNOTSUPP); 810 } 811 } 812 813 int 814 sctp_flush(struct socket *so, int how) 815 { 816 /* 817 * We will just clear out the values and let subsequent close clear 818 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 819 * they will not be able to read the data, the socket will block 820 * that from happening. 821 */ 822 struct sctp_inpcb *inp; 823 824 inp = (struct sctp_inpcb *)so->so_pcb; 825 if (inp == NULL) { 826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 827 return (EINVAL); 828 } 829 SCTP_INP_RLOCK(inp); 830 /* For the 1 to many model this does nothing */ 831 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 832 SCTP_INP_RUNLOCK(inp); 833 return (0); 834 } 835 SCTP_INP_RUNLOCK(inp); 836 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 837 /* 838 * First make sure the sb will be happy, we don't use these 839 * except maybe the count 840 */ 841 SCTP_INP_WLOCK(inp); 842 SCTP_INP_READ_LOCK(inp); 843 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 844 SCTP_INP_READ_UNLOCK(inp); 845 SCTP_INP_WUNLOCK(inp); 846 so->so_rcv.sb_cc = 0; 847 so->so_rcv.sb_mbcnt = 0; 848 so->so_rcv.sb_mb = NULL; 849 } 850 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 851 /* 852 * First make sure the sb will be happy, we don't use these 853 * except maybe the count 854 */ 855 so->so_snd.sb_cc = 0; 856 so->so_snd.sb_mbcnt = 0; 857 so->so_snd.sb_mb = NULL; 858 859 } 860 return (0); 861 } 862 863 int 864 sctp_shutdown(struct socket *so) 865 { 866 struct sctp_inpcb *inp; 867 868 inp = (struct sctp_inpcb *)so->so_pcb; 869 if (inp == NULL) { 870 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 871 return (EINVAL); 872 } 873 SCTP_INP_RLOCK(inp); 874 /* For UDP model this is a invalid call */ 875 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 876 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 877 /* Restore the flags that the soshutdown took away. */ 878 SOCKBUF_LOCK(&so->so_rcv); 879 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 880 SOCKBUF_UNLOCK(&so->so_rcv); 881 /* This proc will wakeup for read and do nothing (I hope) */ 882 SCTP_INP_RUNLOCK(inp); 883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 884 return (EOPNOTSUPP); 885 } else { 886 /* 887 * Ok, if we reach here its the TCP model and it is either a 888 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 889 * against it. 890 */ 891 struct epoch_tracker et; 892 struct sctp_tcb *stcb; 893 struct sctp_association *asoc; 894 struct sctp_nets *netp; 895 896 if ((so->so_state & 897 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 898 SCTP_INP_RUNLOCK(inp); 899 return (ENOTCONN); 900 } 901 socantsendmore(so); 902 903 stcb = LIST_FIRST(&inp->sctp_asoc_list); 904 if (stcb == NULL) { 905 /* 906 * Ok, we hit the case that the shutdown call was 907 * made after an abort or something. Nothing to do 908 * now. 909 */ 910 SCTP_INP_RUNLOCK(inp); 911 return (0); 912 } 913 SCTP_TCB_LOCK(stcb); 914 asoc = &stcb->asoc; 915 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 916 SCTP_TCB_UNLOCK(stcb); 917 SCTP_INP_RUNLOCK(inp); 918 return (0); 919 } 920 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 921 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 922 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 923 /* 924 * If we are not in or before ESTABLISHED, there is 925 * no protocol action required. 926 */ 927 SCTP_TCB_UNLOCK(stcb); 928 SCTP_INP_RUNLOCK(inp); 929 return (0); 930 } 931 NET_EPOCH_ENTER(et); 932 if (stcb->asoc.alternate) { 933 netp = stcb->asoc.alternate; 934 } else { 935 netp = stcb->asoc.primary_destination; 936 } 937 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 938 TAILQ_EMPTY(&asoc->send_queue) && 939 TAILQ_EMPTY(&asoc->sent_queue) && 940 (asoc->stream_queue_cnt == 0)) { 941 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 942 goto abort_anyway; 943 } 944 /* there is nothing queued to send, so I'm done... */ 945 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 946 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 947 sctp_stop_timers_for_shutdown(stcb); 948 sctp_send_shutdown(stcb, netp); 949 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 950 stcb->sctp_ep, stcb, netp); 951 } else { 952 /* 953 * We still got (or just got) data to send, so set 954 * SHUTDOWN_PENDING. 955 */ 956 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 957 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 958 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 959 } 960 if (TAILQ_EMPTY(&asoc->send_queue) && 961 TAILQ_EMPTY(&asoc->sent_queue) && 962 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 963 struct mbuf *op_err; 964 965 abort_anyway: 966 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 967 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 968 SCTP_INP_RUNLOCK(inp); 969 sctp_abort_an_association(stcb->sctp_ep, stcb, 970 op_err, SCTP_SO_LOCKED); 971 NET_EPOCH_EXIT(et); 972 return (0); 973 } 974 } 975 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 976 /* 977 * XXX: Why do this in the case where we have still data 978 * queued? 979 */ 980 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 981 SCTP_TCB_UNLOCK(stcb); 982 SCTP_INP_RUNLOCK(inp); 983 NET_EPOCH_EXIT(et); 984 return (0); 985 } 986 } 987 988 /* 989 * copies a "user" presentable address and removes embedded scope, etc. 990 * returns 0 on success, 1 on error 991 */ 992 static uint32_t 993 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 994 { 995 #ifdef INET6 996 struct sockaddr_in6 lsa6; 997 998 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 999 &lsa6); 1000 #endif 1001 memcpy(dst, src, src->sa_len); 1002 return (0); 1003 } 1004 1005 1006 1007 /* 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 *addr, 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 *)&addr); 1130 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1131 addr = (struct sockaddr *)((caddr_t)addr + 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(addr, sin, sizeof(struct sockaddr_in)); 1139 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1140 addr = (struct sockaddr *)((caddr_t)addr + 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(addr, sin6, sizeof(struct sockaddr_in6)); 1193 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1194 addr = (struct sockaddr *)((caddr_t)addr + 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(addr, &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 *)addr)->sin_port = inp->sctp_lport; 1227 break; 1228 #endif 1229 #ifdef INET6 1230 case AF_INET6: 1231 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1232 break; 1233 #endif 1234 default: 1235 /* TSNH */ 1236 break; 1237 } 1238 addr = (struct sockaddr *)((caddr_t)addr + 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 *addr) 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, addr, 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 *addr; 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 - offsetof(struct sctp_getaddresses, addr); 2239 *optsize = offsetof(struct sctp_getaddresses, addr); 2240 addr = &saddr->addr[0].sa; 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 *)&addr); 2279 } else { 2280 memcpy(addr, &net->ro._l_addr, cpsz); 2281 } 2282 #else 2283 memcpy(addr, &net->ro._l_addr, cpsz); 2284 #endif 2285 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2286 2287 addr = (struct sockaddr *)((caddr_t)addr + 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 sctp_getaddresses *saddr; 2302 2303 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2304 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2305 2306 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2307 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2308 if (stcb) { 2309 SCTP_TCB_UNLOCK(stcb); 2310 } 2311 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2312 break; 2313 } 2314 case SCTP_PEER_ADDR_PARAMS: 2315 { 2316 struct sctp_paddrparams *paddrp; 2317 struct sctp_nets *net; 2318 struct sockaddr *addr; 2319 #if defined(INET) && defined(INET6) 2320 struct sockaddr_in sin_store; 2321 #endif 2322 2323 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2324 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2325 2326 #if defined(INET) && defined(INET6) 2327 if (paddrp->spp_address.ss_family == AF_INET6) { 2328 struct sockaddr_in6 *sin6; 2329 2330 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2331 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2332 in6_sin6_2_sin(&sin_store, sin6); 2333 addr = (struct sockaddr *)&sin_store; 2334 } else { 2335 addr = (struct sockaddr *)&paddrp->spp_address; 2336 } 2337 } else { 2338 addr = (struct sockaddr *)&paddrp->spp_address; 2339 } 2340 #else 2341 addr = (struct sockaddr *)&paddrp->spp_address; 2342 #endif 2343 if (stcb != NULL) { 2344 net = sctp_findnet(stcb, addr); 2345 } else { 2346 /* 2347 * We increment here since 2348 * sctp_findassociation_ep_addr() wil do a 2349 * decrement if it finds the stcb as long as 2350 * the locked tcb (last argument) is NOT a 2351 * TCB.. aka NULL. 2352 */ 2353 net = NULL; 2354 SCTP_INP_INCR_REF(inp); 2355 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2356 if (stcb == NULL) { 2357 SCTP_INP_DECR_REF(inp); 2358 } 2359 } 2360 if ((stcb != NULL) && (net == NULL)) { 2361 #ifdef INET 2362 if (addr->sa_family == AF_INET) { 2363 struct sockaddr_in *sin; 2364 2365 sin = (struct sockaddr_in *)addr; 2366 if (sin->sin_addr.s_addr != INADDR_ANY) { 2367 error = EINVAL; 2368 SCTP_TCB_UNLOCK(stcb); 2369 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2370 break; 2371 } 2372 } else 2373 #endif 2374 #ifdef INET6 2375 if (addr->sa_family == AF_INET6) { 2376 struct sockaddr_in6 *sin6; 2377 2378 sin6 = (struct sockaddr_in6 *)addr; 2379 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2380 error = EINVAL; 2381 SCTP_TCB_UNLOCK(stcb); 2382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2383 break; 2384 } 2385 } else 2386 #endif 2387 { 2388 error = EAFNOSUPPORT; 2389 SCTP_TCB_UNLOCK(stcb); 2390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2391 break; 2392 } 2393 } 2394 2395 if (stcb != NULL) { 2396 /* Applies to the specific association */ 2397 paddrp->spp_flags = 0; 2398 if (net != NULL) { 2399 paddrp->spp_hbinterval = net->heart_beat_delay; 2400 paddrp->spp_pathmaxrxt = net->failure_threshold; 2401 paddrp->spp_pathmtu = net->mtu; 2402 switch (net->ro._l_addr.sa.sa_family) { 2403 #ifdef INET 2404 case AF_INET: 2405 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2406 break; 2407 #endif 2408 #ifdef INET6 2409 case AF_INET6: 2410 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2411 break; 2412 #endif 2413 default: 2414 break; 2415 } 2416 /* get flags for HB */ 2417 if (net->dest_state & SCTP_ADDR_NOHB) { 2418 paddrp->spp_flags |= SPP_HB_DISABLE; 2419 } else { 2420 paddrp->spp_flags |= SPP_HB_ENABLE; 2421 } 2422 /* get flags for PMTU */ 2423 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2424 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2425 } else { 2426 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2427 } 2428 if (net->dscp & 0x01) { 2429 paddrp->spp_dscp = net->dscp & 0xfc; 2430 paddrp->spp_flags |= SPP_DSCP; 2431 } 2432 #ifdef INET6 2433 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2434 (net->flowlabel & 0x80000000)) { 2435 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2436 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2437 } 2438 #endif 2439 } else { 2440 /* 2441 * No destination so return default 2442 * value 2443 */ 2444 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2445 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2446 if (stcb->asoc.default_dscp & 0x01) { 2447 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2448 paddrp->spp_flags |= SPP_DSCP; 2449 } 2450 #ifdef INET6 2451 if (stcb->asoc.default_flowlabel & 0x80000000) { 2452 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2453 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2454 } 2455 #endif 2456 /* default settings should be these */ 2457 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2458 paddrp->spp_flags |= SPP_HB_DISABLE; 2459 } else { 2460 paddrp->spp_flags |= SPP_HB_ENABLE; 2461 } 2462 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2463 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2464 } else { 2465 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2466 } 2467 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2468 } 2469 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2470 SCTP_TCB_UNLOCK(stcb); 2471 } else { 2472 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2473 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2474 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2475 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2476 /* Use endpoint defaults */ 2477 SCTP_INP_RLOCK(inp); 2478 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2479 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2480 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2481 /* get inp's default */ 2482 if (inp->sctp_ep.default_dscp & 0x01) { 2483 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2484 paddrp->spp_flags |= SPP_DSCP; 2485 } 2486 #ifdef INET6 2487 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2488 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2489 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2490 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2491 } 2492 #endif 2493 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2494 2495 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2496 paddrp->spp_flags |= SPP_HB_ENABLE; 2497 } else { 2498 paddrp->spp_flags |= SPP_HB_DISABLE; 2499 } 2500 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2501 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2502 } else { 2503 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2504 } 2505 SCTP_INP_RUNLOCK(inp); 2506 } else { 2507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2508 error = EINVAL; 2509 } 2510 } 2511 if (error == 0) { 2512 *optsize = sizeof(struct sctp_paddrparams); 2513 } 2514 break; 2515 } 2516 case SCTP_GET_PEER_ADDR_INFO: 2517 { 2518 struct sctp_paddrinfo *paddri; 2519 struct sctp_nets *net; 2520 struct sockaddr *addr; 2521 #if defined(INET) && defined(INET6) 2522 struct sockaddr_in sin_store; 2523 #endif 2524 2525 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2526 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2527 2528 #if defined(INET) && defined(INET6) 2529 if (paddri->spinfo_address.ss_family == AF_INET6) { 2530 struct sockaddr_in6 *sin6; 2531 2532 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2533 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2534 in6_sin6_2_sin(&sin_store, sin6); 2535 addr = (struct sockaddr *)&sin_store; 2536 } else { 2537 addr = (struct sockaddr *)&paddri->spinfo_address; 2538 } 2539 } else { 2540 addr = (struct sockaddr *)&paddri->spinfo_address; 2541 } 2542 #else 2543 addr = (struct sockaddr *)&paddri->spinfo_address; 2544 #endif 2545 if (stcb != NULL) { 2546 net = sctp_findnet(stcb, addr); 2547 } else { 2548 /* 2549 * We increment here since 2550 * sctp_findassociation_ep_addr() wil do a 2551 * decrement if it finds the stcb as long as 2552 * the locked tcb (last argument) is NOT a 2553 * TCB.. aka NULL. 2554 */ 2555 net = NULL; 2556 SCTP_INP_INCR_REF(inp); 2557 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2558 if (stcb == NULL) { 2559 SCTP_INP_DECR_REF(inp); 2560 } 2561 } 2562 2563 if ((stcb != NULL) && (net != NULL)) { 2564 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2565 /* It's unconfirmed */ 2566 paddri->spinfo_state = SCTP_UNCONFIRMED; 2567 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2568 /* It's active */ 2569 paddri->spinfo_state = SCTP_ACTIVE; 2570 } else { 2571 /* It's inactive */ 2572 paddri->spinfo_state = SCTP_INACTIVE; 2573 } 2574 paddri->spinfo_cwnd = net->cwnd; 2575 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2576 paddri->spinfo_rto = net->RTO; 2577 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2578 paddri->spinfo_mtu = net->mtu; 2579 switch (addr->sa_family) { 2580 #if defined(INET) 2581 case AF_INET: 2582 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2583 break; 2584 #endif 2585 #if defined(INET6) 2586 case AF_INET6: 2587 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2588 break; 2589 #endif 2590 default: 2591 break; 2592 } 2593 SCTP_TCB_UNLOCK(stcb); 2594 *optsize = sizeof(struct sctp_paddrinfo); 2595 } else { 2596 if (stcb != NULL) { 2597 SCTP_TCB_UNLOCK(stcb); 2598 } 2599 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2600 error = ENOENT; 2601 } 2602 break; 2603 } 2604 case SCTP_PCB_STATUS: 2605 { 2606 struct sctp_pcbinfo *spcb; 2607 2608 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2609 sctp_fill_pcbinfo(spcb); 2610 *optsize = sizeof(struct sctp_pcbinfo); 2611 break; 2612 } 2613 case SCTP_STATUS: 2614 { 2615 struct sctp_nets *net; 2616 struct sctp_status *sstat; 2617 2618 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2619 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2620 2621 if (stcb == NULL) { 2622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2623 error = EINVAL; 2624 break; 2625 } 2626 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2627 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2628 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2629 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2630 /* 2631 * We can't include chunks that have been passed to 2632 * the socket layer. Only things in queue. 2633 */ 2634 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2635 stcb->asoc.cnt_on_all_streams); 2636 2637 2638 sstat->sstat_instrms = stcb->asoc.streamincnt; 2639 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2640 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2641 net = stcb->asoc.primary_destination; 2642 if (net != NULL) { 2643 memcpy(&sstat->sstat_primary.spinfo_address, 2644 &net->ro._l_addr, 2645 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2646 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2647 /* 2648 * Again the user can get info from 2649 * sctp_constants.h for what the state of 2650 * the network is. 2651 */ 2652 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2653 /* It's unconfirmed */ 2654 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2655 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2656 /* It's active */ 2657 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2658 } else { 2659 /* It's inactive */ 2660 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2661 } 2662 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2663 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2664 sstat->sstat_primary.spinfo_rto = net->RTO; 2665 sstat->sstat_primary.spinfo_mtu = net->mtu; 2666 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2667 #if defined(INET) 2668 case AF_INET: 2669 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2670 break; 2671 #endif 2672 #if defined(INET6) 2673 case AF_INET6: 2674 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2675 break; 2676 #endif 2677 default: 2678 break; 2679 } 2680 } else { 2681 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2682 } 2683 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2684 SCTP_TCB_UNLOCK(stcb); 2685 *optsize = sizeof(struct sctp_status); 2686 break; 2687 } 2688 case SCTP_RTOINFO: 2689 { 2690 struct sctp_rtoinfo *srto; 2691 2692 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2693 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2694 2695 if (stcb) { 2696 srto->srto_initial = stcb->asoc.initial_rto; 2697 srto->srto_max = stcb->asoc.maxrto; 2698 srto->srto_min = stcb->asoc.minrto; 2699 SCTP_TCB_UNLOCK(stcb); 2700 } else { 2701 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2702 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2703 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2704 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2705 SCTP_INP_RLOCK(inp); 2706 srto->srto_initial = inp->sctp_ep.initial_rto; 2707 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2708 srto->srto_min = inp->sctp_ep.sctp_minrto; 2709 SCTP_INP_RUNLOCK(inp); 2710 } else { 2711 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2712 error = EINVAL; 2713 } 2714 } 2715 if (error == 0) { 2716 *optsize = sizeof(struct sctp_rtoinfo); 2717 } 2718 break; 2719 } 2720 case SCTP_TIMEOUTS: 2721 { 2722 struct sctp_timeouts *stimo; 2723 2724 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2725 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2726 2727 if (stcb) { 2728 stimo->stimo_init = stcb->asoc.timoinit; 2729 stimo->stimo_data = stcb->asoc.timodata; 2730 stimo->stimo_sack = stcb->asoc.timosack; 2731 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2732 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2733 stimo->stimo_cookie = stcb->asoc.timocookie; 2734 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2735 SCTP_TCB_UNLOCK(stcb); 2736 *optsize = sizeof(struct sctp_timeouts); 2737 } else { 2738 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2739 error = EINVAL; 2740 } 2741 break; 2742 } 2743 case SCTP_ASSOCINFO: 2744 { 2745 struct sctp_assocparams *sasoc; 2746 2747 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2748 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2749 2750 if (stcb) { 2751 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2752 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2753 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2754 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2755 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2756 SCTP_TCB_UNLOCK(stcb); 2757 } else { 2758 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2759 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2760 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2761 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2762 SCTP_INP_RLOCK(inp); 2763 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2764 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2765 sasoc->sasoc_number_peer_destinations = 0; 2766 sasoc->sasoc_peer_rwnd = 0; 2767 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2768 SCTP_INP_RUNLOCK(inp); 2769 } else { 2770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2771 error = EINVAL; 2772 } 2773 } 2774 if (error == 0) { 2775 *optsize = sizeof(struct sctp_assocparams); 2776 } 2777 break; 2778 } 2779 case SCTP_DEFAULT_SEND_PARAM: 2780 { 2781 struct sctp_sndrcvinfo *s_info; 2782 2783 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2784 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2785 2786 if (stcb) { 2787 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2788 SCTP_TCB_UNLOCK(stcb); 2789 } else { 2790 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2791 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2792 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2793 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2794 SCTP_INP_RLOCK(inp); 2795 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2796 SCTP_INP_RUNLOCK(inp); 2797 } else { 2798 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2799 error = EINVAL; 2800 } 2801 } 2802 if (error == 0) { 2803 *optsize = sizeof(struct sctp_sndrcvinfo); 2804 } 2805 break; 2806 } 2807 case SCTP_INITMSG: 2808 { 2809 struct sctp_initmsg *sinit; 2810 2811 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2812 SCTP_INP_RLOCK(inp); 2813 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2814 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2815 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2816 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2817 SCTP_INP_RUNLOCK(inp); 2818 *optsize = sizeof(struct sctp_initmsg); 2819 break; 2820 } 2821 case SCTP_PRIMARY_ADDR: 2822 /* we allow a "get" operation on this */ 2823 { 2824 struct sctp_setprim *ssp; 2825 2826 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2827 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2828 2829 if (stcb) { 2830 union sctp_sockstore *addr; 2831 2832 addr = &stcb->asoc.primary_destination->ro._l_addr; 2833 switch (addr->sa.sa_family) { 2834 #ifdef INET 2835 case AF_INET: 2836 #ifdef INET6 2837 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2838 in6_sin_2_v4mapsin6(&addr->sin, 2839 (struct sockaddr_in6 *)&ssp->ssp_addr); 2840 } else { 2841 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2842 } 2843 #else 2844 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2845 #endif 2846 break; 2847 #endif 2848 #ifdef INET6 2849 case AF_INET6: 2850 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2851 break; 2852 #endif 2853 default: 2854 break; 2855 } 2856 SCTP_TCB_UNLOCK(stcb); 2857 *optsize = sizeof(struct sctp_setprim); 2858 } else { 2859 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2860 error = EINVAL; 2861 } 2862 break; 2863 } 2864 case SCTP_HMAC_IDENT: 2865 { 2866 struct sctp_hmacalgo *shmac; 2867 sctp_hmaclist_t *hmaclist; 2868 uint32_t size; 2869 int i; 2870 2871 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2872 2873 SCTP_INP_RLOCK(inp); 2874 hmaclist = inp->sctp_ep.local_hmacs; 2875 if (hmaclist == NULL) { 2876 /* no HMACs to return */ 2877 *optsize = sizeof(*shmac); 2878 SCTP_INP_RUNLOCK(inp); 2879 break; 2880 } 2881 /* is there room for all of the hmac ids? */ 2882 size = sizeof(*shmac) + (hmaclist->num_algo * 2883 sizeof(shmac->shmac_idents[0])); 2884 if ((size_t)(*optsize) < size) { 2885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2886 error = EINVAL; 2887 SCTP_INP_RUNLOCK(inp); 2888 break; 2889 } 2890 /* copy in the list */ 2891 shmac->shmac_number_of_idents = hmaclist->num_algo; 2892 for (i = 0; i < hmaclist->num_algo; i++) { 2893 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2894 } 2895 SCTP_INP_RUNLOCK(inp); 2896 *optsize = size; 2897 break; 2898 } 2899 case SCTP_AUTH_ACTIVE_KEY: 2900 { 2901 struct sctp_authkeyid *scact; 2902 2903 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2904 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2905 2906 if (stcb) { 2907 /* get the active key on the assoc */ 2908 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2909 SCTP_TCB_UNLOCK(stcb); 2910 } else { 2911 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2912 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2913 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2914 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2915 /* get the endpoint active key */ 2916 SCTP_INP_RLOCK(inp); 2917 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2918 SCTP_INP_RUNLOCK(inp); 2919 } else { 2920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2921 error = EINVAL; 2922 } 2923 } 2924 if (error == 0) { 2925 *optsize = sizeof(struct sctp_authkeyid); 2926 } 2927 break; 2928 } 2929 case SCTP_LOCAL_AUTH_CHUNKS: 2930 { 2931 struct sctp_authchunks *sac; 2932 sctp_auth_chklist_t *chklist = NULL; 2933 size_t size = 0; 2934 2935 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2936 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2937 2938 if (stcb) { 2939 /* get off the assoc */ 2940 chklist = stcb->asoc.local_auth_chunks; 2941 /* is there enough space? */ 2942 size = sctp_auth_get_chklist_size(chklist); 2943 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2944 error = EINVAL; 2945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2946 } else { 2947 /* copy in the chunks */ 2948 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2949 sac->gauth_number_of_chunks = (uint32_t)size; 2950 *optsize = sizeof(struct sctp_authchunks) + size; 2951 } 2952 SCTP_TCB_UNLOCK(stcb); 2953 } else { 2954 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2955 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2956 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2957 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2958 /* get off the endpoint */ 2959 SCTP_INP_RLOCK(inp); 2960 chklist = inp->sctp_ep.local_auth_chunks; 2961 /* is there enough space? */ 2962 size = sctp_auth_get_chklist_size(chklist); 2963 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2964 error = EINVAL; 2965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2966 } else { 2967 /* copy in the chunks */ 2968 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2969 sac->gauth_number_of_chunks = (uint32_t)size; 2970 *optsize = sizeof(struct sctp_authchunks) + size; 2971 } 2972 SCTP_INP_RUNLOCK(inp); 2973 } else { 2974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2975 error = EINVAL; 2976 } 2977 } 2978 break; 2979 } 2980 case SCTP_PEER_AUTH_CHUNKS: 2981 { 2982 struct sctp_authchunks *sac; 2983 sctp_auth_chklist_t *chklist = NULL; 2984 size_t size = 0; 2985 2986 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2987 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2988 2989 if (stcb) { 2990 /* get off the assoc */ 2991 chklist = stcb->asoc.peer_auth_chunks; 2992 /* is there enough space? */ 2993 size = sctp_auth_get_chklist_size(chklist); 2994 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2995 error = EINVAL; 2996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2997 } else { 2998 /* copy in the chunks */ 2999 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3000 sac->gauth_number_of_chunks = (uint32_t)size; 3001 *optsize = sizeof(struct sctp_authchunks) + size; 3002 } 3003 SCTP_TCB_UNLOCK(stcb); 3004 } else { 3005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3006 error = ENOENT; 3007 } 3008 break; 3009 } 3010 case SCTP_EVENT: 3011 { 3012 struct sctp_event *event; 3013 uint32_t event_type; 3014 3015 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3016 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3017 3018 switch (event->se_type) { 3019 case SCTP_ASSOC_CHANGE: 3020 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3021 break; 3022 case SCTP_PEER_ADDR_CHANGE: 3023 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3024 break; 3025 case SCTP_REMOTE_ERROR: 3026 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3027 break; 3028 case SCTP_SEND_FAILED: 3029 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3030 break; 3031 case SCTP_SHUTDOWN_EVENT: 3032 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3033 break; 3034 case SCTP_ADAPTATION_INDICATION: 3035 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3036 break; 3037 case SCTP_PARTIAL_DELIVERY_EVENT: 3038 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3039 break; 3040 case SCTP_AUTHENTICATION_EVENT: 3041 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3042 break; 3043 case SCTP_STREAM_RESET_EVENT: 3044 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3045 break; 3046 case SCTP_SENDER_DRY_EVENT: 3047 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3048 break; 3049 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3050 event_type = 0; 3051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3052 error = ENOTSUP; 3053 break; 3054 case SCTP_ASSOC_RESET_EVENT: 3055 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3056 break; 3057 case SCTP_STREAM_CHANGE_EVENT: 3058 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3059 break; 3060 case SCTP_SEND_FAILED_EVENT: 3061 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3062 break; 3063 default: 3064 event_type = 0; 3065 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3066 error = EINVAL; 3067 break; 3068 } 3069 if (event_type > 0) { 3070 if (stcb) { 3071 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3072 } else { 3073 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3074 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3075 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3076 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3077 SCTP_INP_RLOCK(inp); 3078 event->se_on = sctp_is_feature_on(inp, event_type); 3079 SCTP_INP_RUNLOCK(inp); 3080 } else { 3081 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3082 error = EINVAL; 3083 } 3084 } 3085 } 3086 if (stcb != NULL) { 3087 SCTP_TCB_UNLOCK(stcb); 3088 } 3089 if (error == 0) { 3090 *optsize = sizeof(struct sctp_event); 3091 } 3092 break; 3093 } 3094 case SCTP_RECVRCVINFO: 3095 { 3096 int onoff; 3097 3098 if (*optsize < sizeof(int)) { 3099 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3100 error = EINVAL; 3101 } else { 3102 SCTP_INP_RLOCK(inp); 3103 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3104 SCTP_INP_RUNLOCK(inp); 3105 } 3106 if (error == 0) { 3107 /* return the option value */ 3108 *(int *)optval = onoff; 3109 *optsize = sizeof(int); 3110 } 3111 break; 3112 } 3113 case SCTP_RECVNXTINFO: 3114 { 3115 int onoff; 3116 3117 if (*optsize < sizeof(int)) { 3118 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3119 error = EINVAL; 3120 } else { 3121 SCTP_INP_RLOCK(inp); 3122 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3123 SCTP_INP_RUNLOCK(inp); 3124 } 3125 if (error == 0) { 3126 /* return the option value */ 3127 *(int *)optval = onoff; 3128 *optsize = sizeof(int); 3129 } 3130 break; 3131 } 3132 case SCTP_DEFAULT_SNDINFO: 3133 { 3134 struct sctp_sndinfo *info; 3135 3136 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3137 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3138 3139 if (stcb) { 3140 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3141 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3142 info->snd_flags &= 0xfff0; 3143 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3144 info->snd_context = stcb->asoc.def_send.sinfo_context; 3145 SCTP_TCB_UNLOCK(stcb); 3146 } else { 3147 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3148 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3149 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3150 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3151 SCTP_INP_RLOCK(inp); 3152 info->snd_sid = inp->def_send.sinfo_stream; 3153 info->snd_flags = inp->def_send.sinfo_flags; 3154 info->snd_flags &= 0xfff0; 3155 info->snd_ppid = inp->def_send.sinfo_ppid; 3156 info->snd_context = inp->def_send.sinfo_context; 3157 SCTP_INP_RUNLOCK(inp); 3158 } else { 3159 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3160 error = EINVAL; 3161 } 3162 } 3163 if (error == 0) { 3164 *optsize = sizeof(struct sctp_sndinfo); 3165 } 3166 break; 3167 } 3168 case SCTP_DEFAULT_PRINFO: 3169 { 3170 struct sctp_default_prinfo *info; 3171 3172 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3173 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3174 3175 if (stcb) { 3176 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3177 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3178 SCTP_TCB_UNLOCK(stcb); 3179 } else { 3180 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3181 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3182 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3183 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3184 SCTP_INP_RLOCK(inp); 3185 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3186 info->pr_value = inp->def_send.sinfo_timetolive; 3187 SCTP_INP_RUNLOCK(inp); 3188 } else { 3189 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3190 error = EINVAL; 3191 } 3192 } 3193 if (error == 0) { 3194 *optsize = sizeof(struct sctp_default_prinfo); 3195 } 3196 break; 3197 } 3198 case SCTP_PEER_ADDR_THLDS: 3199 { 3200 struct sctp_paddrthlds *thlds; 3201 struct sctp_nets *net; 3202 struct sockaddr *addr; 3203 #if defined(INET) && defined(INET6) 3204 struct sockaddr_in sin_store; 3205 #endif 3206 3207 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3208 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3209 3210 #if defined(INET) && defined(INET6) 3211 if (thlds->spt_address.ss_family == AF_INET6) { 3212 struct sockaddr_in6 *sin6; 3213 3214 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3215 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3216 in6_sin6_2_sin(&sin_store, sin6); 3217 addr = (struct sockaddr *)&sin_store; 3218 } else { 3219 addr = (struct sockaddr *)&thlds->spt_address; 3220 } 3221 } else { 3222 addr = (struct sockaddr *)&thlds->spt_address; 3223 } 3224 #else 3225 addr = (struct sockaddr *)&thlds->spt_address; 3226 #endif 3227 if (stcb != NULL) { 3228 net = sctp_findnet(stcb, addr); 3229 } else { 3230 /* 3231 * We increment here since 3232 * sctp_findassociation_ep_addr() wil do a 3233 * decrement if it finds the stcb as long as 3234 * the locked tcb (last argument) is NOT a 3235 * TCB.. aka NULL. 3236 */ 3237 net = NULL; 3238 SCTP_INP_INCR_REF(inp); 3239 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3240 if (stcb == NULL) { 3241 SCTP_INP_DECR_REF(inp); 3242 } 3243 } 3244 if ((stcb != NULL) && (net == NULL)) { 3245 #ifdef INET 3246 if (addr->sa_family == AF_INET) { 3247 struct sockaddr_in *sin; 3248 3249 sin = (struct sockaddr_in *)addr; 3250 if (sin->sin_addr.s_addr != INADDR_ANY) { 3251 error = EINVAL; 3252 SCTP_TCB_UNLOCK(stcb); 3253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3254 break; 3255 } 3256 } else 3257 #endif 3258 #ifdef INET6 3259 if (addr->sa_family == AF_INET6) { 3260 struct sockaddr_in6 *sin6; 3261 3262 sin6 = (struct sockaddr_in6 *)addr; 3263 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3264 error = EINVAL; 3265 SCTP_TCB_UNLOCK(stcb); 3266 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3267 break; 3268 } 3269 } else 3270 #endif 3271 { 3272 error = EAFNOSUPPORT; 3273 SCTP_TCB_UNLOCK(stcb); 3274 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3275 break; 3276 } 3277 } 3278 3279 if (stcb != NULL) { 3280 if (net != NULL) { 3281 thlds->spt_pathmaxrxt = net->failure_threshold; 3282 thlds->spt_pathpfthld = net->pf_threshold; 3283 thlds->spt_pathcpthld = 0xffff; 3284 } else { 3285 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3286 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3287 thlds->spt_pathcpthld = 0xffff; 3288 } 3289 thlds->spt_assoc_id = sctp_get_associd(stcb); 3290 SCTP_TCB_UNLOCK(stcb); 3291 } else { 3292 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3293 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3294 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3295 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3296 /* Use endpoint defaults */ 3297 SCTP_INP_RLOCK(inp); 3298 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3299 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3300 thlds->spt_pathcpthld = 0xffff; 3301 SCTP_INP_RUNLOCK(inp); 3302 } else { 3303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3304 error = EINVAL; 3305 } 3306 } 3307 if (error == 0) { 3308 *optsize = sizeof(struct sctp_paddrthlds); 3309 } 3310 break; 3311 } 3312 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3313 { 3314 struct sctp_udpencaps *encaps; 3315 struct sctp_nets *net; 3316 struct sockaddr *addr; 3317 #if defined(INET) && defined(INET6) 3318 struct sockaddr_in sin_store; 3319 #endif 3320 3321 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3322 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3323 3324 #if defined(INET) && defined(INET6) 3325 if (encaps->sue_address.ss_family == AF_INET6) { 3326 struct sockaddr_in6 *sin6; 3327 3328 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3329 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3330 in6_sin6_2_sin(&sin_store, sin6); 3331 addr = (struct sockaddr *)&sin_store; 3332 } else { 3333 addr = (struct sockaddr *)&encaps->sue_address; 3334 } 3335 } else { 3336 addr = (struct sockaddr *)&encaps->sue_address; 3337 } 3338 #else 3339 addr = (struct sockaddr *)&encaps->sue_address; 3340 #endif 3341 if (stcb) { 3342 net = sctp_findnet(stcb, addr); 3343 } else { 3344 /* 3345 * We increment here since 3346 * sctp_findassociation_ep_addr() wil do a 3347 * decrement if it finds the stcb as long as 3348 * the locked tcb (last argument) is NOT a 3349 * TCB.. aka NULL. 3350 */ 3351 net = NULL; 3352 SCTP_INP_INCR_REF(inp); 3353 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3354 if (stcb == NULL) { 3355 SCTP_INP_DECR_REF(inp); 3356 } 3357 } 3358 if ((stcb != NULL) && (net == NULL)) { 3359 #ifdef INET 3360 if (addr->sa_family == AF_INET) { 3361 struct sockaddr_in *sin; 3362 3363 sin = (struct sockaddr_in *)addr; 3364 if (sin->sin_addr.s_addr != INADDR_ANY) { 3365 error = EINVAL; 3366 SCTP_TCB_UNLOCK(stcb); 3367 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3368 break; 3369 } 3370 } else 3371 #endif 3372 #ifdef INET6 3373 if (addr->sa_family == AF_INET6) { 3374 struct sockaddr_in6 *sin6; 3375 3376 sin6 = (struct sockaddr_in6 *)addr; 3377 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3378 error = EINVAL; 3379 SCTP_TCB_UNLOCK(stcb); 3380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3381 break; 3382 } 3383 } else 3384 #endif 3385 { 3386 error = EAFNOSUPPORT; 3387 SCTP_TCB_UNLOCK(stcb); 3388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3389 break; 3390 } 3391 } 3392 3393 if (stcb != NULL) { 3394 if (net) { 3395 encaps->sue_port = net->port; 3396 } else { 3397 encaps->sue_port = stcb->asoc.port; 3398 } 3399 SCTP_TCB_UNLOCK(stcb); 3400 } else { 3401 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3402 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3403 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3404 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3405 SCTP_INP_RLOCK(inp); 3406 encaps->sue_port = inp->sctp_ep.port; 3407 SCTP_INP_RUNLOCK(inp); 3408 } else { 3409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3410 error = EINVAL; 3411 } 3412 } 3413 if (error == 0) { 3414 *optsize = sizeof(struct sctp_udpencaps); 3415 } 3416 break; 3417 } 3418 case SCTP_ECN_SUPPORTED: 3419 { 3420 struct sctp_assoc_value *av; 3421 3422 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3423 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3424 3425 if (stcb) { 3426 av->assoc_value = stcb->asoc.ecn_supported; 3427 SCTP_TCB_UNLOCK(stcb); 3428 } else { 3429 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3430 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3431 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3432 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3433 SCTP_INP_RLOCK(inp); 3434 av->assoc_value = inp->ecn_supported; 3435 SCTP_INP_RUNLOCK(inp); 3436 } else { 3437 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3438 error = EINVAL; 3439 } 3440 } 3441 if (error == 0) { 3442 *optsize = sizeof(struct sctp_assoc_value); 3443 } 3444 break; 3445 } 3446 case SCTP_PR_SUPPORTED: 3447 { 3448 struct sctp_assoc_value *av; 3449 3450 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3451 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3452 3453 if (stcb) { 3454 av->assoc_value = stcb->asoc.prsctp_supported; 3455 SCTP_TCB_UNLOCK(stcb); 3456 } else { 3457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3458 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3459 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3460 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3461 SCTP_INP_RLOCK(inp); 3462 av->assoc_value = inp->prsctp_supported; 3463 SCTP_INP_RUNLOCK(inp); 3464 } else { 3465 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3466 error = EINVAL; 3467 } 3468 } 3469 if (error == 0) { 3470 *optsize = sizeof(struct sctp_assoc_value); 3471 } 3472 break; 3473 } 3474 case SCTP_AUTH_SUPPORTED: 3475 { 3476 struct sctp_assoc_value *av; 3477 3478 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3479 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3480 3481 if (stcb) { 3482 av->assoc_value = stcb->asoc.auth_supported; 3483 SCTP_TCB_UNLOCK(stcb); 3484 } else { 3485 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3486 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3487 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3488 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3489 SCTP_INP_RLOCK(inp); 3490 av->assoc_value = inp->auth_supported; 3491 SCTP_INP_RUNLOCK(inp); 3492 } else { 3493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3494 error = EINVAL; 3495 } 3496 } 3497 if (error == 0) { 3498 *optsize = sizeof(struct sctp_assoc_value); 3499 } 3500 break; 3501 } 3502 case SCTP_ASCONF_SUPPORTED: 3503 { 3504 struct sctp_assoc_value *av; 3505 3506 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3507 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3508 3509 if (stcb) { 3510 av->assoc_value = stcb->asoc.asconf_supported; 3511 SCTP_TCB_UNLOCK(stcb); 3512 } else { 3513 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3514 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3515 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3516 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3517 SCTP_INP_RLOCK(inp); 3518 av->assoc_value = inp->asconf_supported; 3519 SCTP_INP_RUNLOCK(inp); 3520 } else { 3521 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3522 error = EINVAL; 3523 } 3524 } 3525 if (error == 0) { 3526 *optsize = sizeof(struct sctp_assoc_value); 3527 } 3528 break; 3529 } 3530 case SCTP_RECONFIG_SUPPORTED: 3531 { 3532 struct sctp_assoc_value *av; 3533 3534 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3535 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3536 3537 if (stcb) { 3538 av->assoc_value = stcb->asoc.reconfig_supported; 3539 SCTP_TCB_UNLOCK(stcb); 3540 } else { 3541 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3542 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3543 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3544 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3545 SCTP_INP_RLOCK(inp); 3546 av->assoc_value = inp->reconfig_supported; 3547 SCTP_INP_RUNLOCK(inp); 3548 } else { 3549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3550 error = EINVAL; 3551 } 3552 } 3553 if (error == 0) { 3554 *optsize = sizeof(struct sctp_assoc_value); 3555 } 3556 break; 3557 } 3558 case SCTP_NRSACK_SUPPORTED: 3559 { 3560 struct sctp_assoc_value *av; 3561 3562 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3563 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3564 3565 if (stcb) { 3566 av->assoc_value = stcb->asoc.nrsack_supported; 3567 SCTP_TCB_UNLOCK(stcb); 3568 } else { 3569 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3570 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3571 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3572 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3573 SCTP_INP_RLOCK(inp); 3574 av->assoc_value = inp->nrsack_supported; 3575 SCTP_INP_RUNLOCK(inp); 3576 } else { 3577 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3578 error = EINVAL; 3579 } 3580 } 3581 if (error == 0) { 3582 *optsize = sizeof(struct sctp_assoc_value); 3583 } 3584 break; 3585 } 3586 case SCTP_PKTDROP_SUPPORTED: 3587 { 3588 struct sctp_assoc_value *av; 3589 3590 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3591 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3592 3593 if (stcb) { 3594 av->assoc_value = stcb->asoc.pktdrop_supported; 3595 SCTP_TCB_UNLOCK(stcb); 3596 } else { 3597 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3598 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3599 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3600 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3601 SCTP_INP_RLOCK(inp); 3602 av->assoc_value = inp->pktdrop_supported; 3603 SCTP_INP_RUNLOCK(inp); 3604 } else { 3605 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3606 error = EINVAL; 3607 } 3608 } 3609 if (error == 0) { 3610 *optsize = sizeof(struct sctp_assoc_value); 3611 } 3612 break; 3613 } 3614 case SCTP_ENABLE_STREAM_RESET: 3615 { 3616 struct sctp_assoc_value *av; 3617 3618 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3619 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3620 3621 if (stcb) { 3622 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3623 SCTP_TCB_UNLOCK(stcb); 3624 } else { 3625 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3626 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3627 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3628 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3629 SCTP_INP_RLOCK(inp); 3630 av->assoc_value = (uint32_t)inp->local_strreset_support; 3631 SCTP_INP_RUNLOCK(inp); 3632 } else { 3633 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3634 error = EINVAL; 3635 } 3636 } 3637 if (error == 0) { 3638 *optsize = sizeof(struct sctp_assoc_value); 3639 } 3640 break; 3641 } 3642 case SCTP_PR_STREAM_STATUS: 3643 { 3644 struct sctp_prstatus *sprstat; 3645 uint16_t sid; 3646 uint16_t policy; 3647 3648 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3649 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3650 3651 sid = sprstat->sprstat_sid; 3652 policy = sprstat->sprstat_policy; 3653 #if defined(SCTP_DETAILED_STR_STATS) 3654 if ((stcb != NULL) && 3655 (sid < stcb->asoc.streamoutcnt) && 3656 (policy != SCTP_PR_SCTP_NONE) && 3657 ((policy <= SCTP_PR_SCTP_MAX) || 3658 (policy == SCTP_PR_SCTP_ALL))) { 3659 if (policy == SCTP_PR_SCTP_ALL) { 3660 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3661 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3662 } else { 3663 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3664 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3665 } 3666 #else 3667 if ((stcb != NULL) && 3668 (sid < stcb->asoc.streamoutcnt) && 3669 (policy == SCTP_PR_SCTP_ALL)) { 3670 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3671 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3672 #endif 3673 } else { 3674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3675 error = EINVAL; 3676 } 3677 if (stcb != NULL) { 3678 SCTP_TCB_UNLOCK(stcb); 3679 } 3680 if (error == 0) { 3681 *optsize = sizeof(struct sctp_prstatus); 3682 } 3683 break; 3684 } 3685 case SCTP_PR_ASSOC_STATUS: 3686 { 3687 struct sctp_prstatus *sprstat; 3688 uint16_t policy; 3689 3690 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3691 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3692 3693 policy = sprstat->sprstat_policy; 3694 if ((stcb != NULL) && 3695 (policy != SCTP_PR_SCTP_NONE) && 3696 ((policy <= SCTP_PR_SCTP_MAX) || 3697 (policy == SCTP_PR_SCTP_ALL))) { 3698 if (policy == SCTP_PR_SCTP_ALL) { 3699 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3700 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3701 } else { 3702 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3703 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3704 } 3705 } else { 3706 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3707 error = EINVAL; 3708 } 3709 if (stcb != NULL) { 3710 SCTP_TCB_UNLOCK(stcb); 3711 } 3712 if (error == 0) { 3713 *optsize = sizeof(struct sctp_prstatus); 3714 } 3715 break; 3716 } 3717 case SCTP_MAX_CWND: 3718 { 3719 struct sctp_assoc_value *av; 3720 3721 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3722 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3723 3724 if (stcb) { 3725 av->assoc_value = stcb->asoc.max_cwnd; 3726 SCTP_TCB_UNLOCK(stcb); 3727 } else { 3728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3729 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3730 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3731 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3732 SCTP_INP_RLOCK(inp); 3733 av->assoc_value = inp->max_cwnd; 3734 SCTP_INP_RUNLOCK(inp); 3735 } else { 3736 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3737 error = EINVAL; 3738 } 3739 } 3740 if (error == 0) { 3741 *optsize = sizeof(struct sctp_assoc_value); 3742 } 3743 break; 3744 } 3745 default: 3746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3747 error = ENOPROTOOPT; 3748 break; 3749 } /* end switch (sopt->sopt_name) */ 3750 if (error) { 3751 *optsize = 0; 3752 } 3753 return (error); 3754 } 3755 3756 static int 3757 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3758 void *p) 3759 { 3760 int error, set_opt; 3761 uint32_t *mopt; 3762 struct sctp_tcb *stcb = NULL; 3763 struct sctp_inpcb *inp = NULL; 3764 uint32_t vrf_id; 3765 3766 if (optval == NULL) { 3767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3768 return (EINVAL); 3769 } 3770 inp = (struct sctp_inpcb *)so->so_pcb; 3771 if (inp == NULL) { 3772 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3773 return (EINVAL); 3774 } 3775 vrf_id = inp->def_vrf_id; 3776 3777 error = 0; 3778 switch (optname) { 3779 case SCTP_NODELAY: 3780 case SCTP_AUTOCLOSE: 3781 case SCTP_AUTO_ASCONF: 3782 case SCTP_EXPLICIT_EOR: 3783 case SCTP_DISABLE_FRAGMENTS: 3784 case SCTP_USE_EXT_RCVINFO: 3785 case SCTP_I_WANT_MAPPED_V4_ADDR: 3786 /* copy in the option value */ 3787 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3788 set_opt = 0; 3789 if (error) 3790 break; 3791 switch (optname) { 3792 case SCTP_DISABLE_FRAGMENTS: 3793 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3794 break; 3795 case SCTP_AUTO_ASCONF: 3796 /* 3797 * NOTE: we don't really support this flag 3798 */ 3799 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3800 /* only valid for bound all sockets */ 3801 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3802 (*mopt != 0)) { 3803 /* forbidden by admin */ 3804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3805 return (EPERM); 3806 } 3807 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3808 } else { 3809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3810 return (EINVAL); 3811 } 3812 break; 3813 case SCTP_EXPLICIT_EOR: 3814 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3815 break; 3816 case SCTP_USE_EXT_RCVINFO: 3817 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3818 break; 3819 case SCTP_I_WANT_MAPPED_V4_ADDR: 3820 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3821 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3822 } else { 3823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3824 return (EINVAL); 3825 } 3826 break; 3827 case SCTP_NODELAY: 3828 set_opt = SCTP_PCB_FLAGS_NODELAY; 3829 break; 3830 case SCTP_AUTOCLOSE: 3831 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3832 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3834 return (EINVAL); 3835 } 3836 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3837 /* 3838 * The value is in ticks. Note this does not effect 3839 * old associations, only new ones. 3840 */ 3841 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3842 break; 3843 } 3844 SCTP_INP_WLOCK(inp); 3845 if (*mopt != 0) { 3846 sctp_feature_on(inp, set_opt); 3847 } else { 3848 sctp_feature_off(inp, set_opt); 3849 } 3850 SCTP_INP_WUNLOCK(inp); 3851 break; 3852 case SCTP_REUSE_PORT: 3853 { 3854 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3855 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3856 /* Can't set it after we are bound */ 3857 error = EINVAL; 3858 break; 3859 } 3860 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3861 /* Can't do this for a 1-m socket */ 3862 error = EINVAL; 3863 break; 3864 } 3865 if (optval) 3866 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3867 else 3868 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3869 break; 3870 } 3871 case SCTP_PARTIAL_DELIVERY_POINT: 3872 { 3873 uint32_t *value; 3874 3875 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3876 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3877 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3878 error = EINVAL; 3879 break; 3880 } 3881 inp->partial_delivery_point = *value; 3882 break; 3883 } 3884 case SCTP_FRAGMENT_INTERLEAVE: 3885 /* not yet until we re-write sctp_recvmsg() */ 3886 { 3887 uint32_t *level; 3888 3889 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3890 if (*level == SCTP_FRAG_LEVEL_2) { 3891 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3892 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3893 } else if (*level == SCTP_FRAG_LEVEL_1) { 3894 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3895 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3896 } else if (*level == SCTP_FRAG_LEVEL_0) { 3897 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3898 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3899 3900 } else { 3901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3902 error = EINVAL; 3903 } 3904 break; 3905 } 3906 case SCTP_INTERLEAVING_SUPPORTED: 3907 { 3908 struct sctp_assoc_value *av; 3909 3910 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3911 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3912 3913 if (stcb) { 3914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3915 error = EINVAL; 3916 SCTP_TCB_UNLOCK(stcb); 3917 } else { 3918 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3919 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3920 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3921 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3922 SCTP_INP_WLOCK(inp); 3923 if (av->assoc_value == 0) { 3924 inp->idata_supported = 0; 3925 } else { 3926 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3927 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3928 inp->idata_supported = 1; 3929 } else { 3930 /* 3931 * Must have Frag 3932 * interleave and 3933 * stream interleave 3934 * on 3935 */ 3936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3937 error = EINVAL; 3938 } 3939 } 3940 SCTP_INP_WUNLOCK(inp); 3941 } else { 3942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3943 error = EINVAL; 3944 } 3945 } 3946 break; 3947 } 3948 case SCTP_CMT_ON_OFF: 3949 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3950 struct sctp_assoc_value *av; 3951 3952 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3953 if (av->assoc_value > SCTP_CMT_MAX) { 3954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3955 error = EINVAL; 3956 break; 3957 } 3958 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3959 if (stcb) { 3960 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3961 SCTP_TCB_UNLOCK(stcb); 3962 } else { 3963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3964 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3965 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3966 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3967 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3968 SCTP_INP_WLOCK(inp); 3969 inp->sctp_cmt_on_off = av->assoc_value; 3970 SCTP_INP_WUNLOCK(inp); 3971 } 3972 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3973 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3974 (av->assoc_id == SCTP_ALL_ASSOC))) { 3975 SCTP_INP_RLOCK(inp); 3976 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3977 SCTP_TCB_LOCK(stcb); 3978 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3979 SCTP_TCB_UNLOCK(stcb); 3980 } 3981 SCTP_INP_RUNLOCK(inp); 3982 } 3983 } 3984 } else { 3985 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3986 error = ENOPROTOOPT; 3987 } 3988 break; 3989 case SCTP_PLUGGABLE_CC: 3990 { 3991 struct sctp_assoc_value *av; 3992 struct sctp_nets *net; 3993 3994 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3995 if ((av->assoc_value != SCTP_CC_RFC2581) && 3996 (av->assoc_value != SCTP_CC_HSTCP) && 3997 (av->assoc_value != SCTP_CC_HTCP) && 3998 (av->assoc_value != SCTP_CC_RTCC)) { 3999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4000 error = EINVAL; 4001 break; 4002 } 4003 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4004 if (stcb) { 4005 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4006 stcb->asoc.congestion_control_module = av->assoc_value; 4007 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4008 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4009 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4010 } 4011 } 4012 SCTP_TCB_UNLOCK(stcb); 4013 } else { 4014 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4015 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4016 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4017 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4018 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4019 SCTP_INP_WLOCK(inp); 4020 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4021 SCTP_INP_WUNLOCK(inp); 4022 } 4023 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4024 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4025 (av->assoc_id == SCTP_ALL_ASSOC))) { 4026 SCTP_INP_RLOCK(inp); 4027 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4028 SCTP_TCB_LOCK(stcb); 4029 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4030 stcb->asoc.congestion_control_module = av->assoc_value; 4031 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4032 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4033 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4034 } 4035 } 4036 SCTP_TCB_UNLOCK(stcb); 4037 } 4038 SCTP_INP_RUNLOCK(inp); 4039 } 4040 } 4041 break; 4042 } 4043 case SCTP_CC_OPTION: 4044 { 4045 struct sctp_cc_option *cc_opt; 4046 4047 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4048 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4049 if (stcb == NULL) { 4050 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4051 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4052 SCTP_INP_RLOCK(inp); 4053 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4054 SCTP_TCB_LOCK(stcb); 4055 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4056 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4057 } 4058 SCTP_TCB_UNLOCK(stcb); 4059 } 4060 SCTP_INP_RUNLOCK(inp); 4061 } else { 4062 error = EINVAL; 4063 } 4064 } else { 4065 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4066 error = ENOTSUP; 4067 } else { 4068 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4069 cc_opt); 4070 } 4071 SCTP_TCB_UNLOCK(stcb); 4072 } 4073 break; 4074 } 4075 case SCTP_PLUGGABLE_SS: 4076 { 4077 struct sctp_assoc_value *av; 4078 4079 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4080 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4081 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4082 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4083 (av->assoc_value != SCTP_SS_PRIORITY) && 4084 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4085 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4086 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4087 error = EINVAL; 4088 break; 4089 } 4090 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4091 if (stcb) { 4092 SCTP_TCB_SEND_LOCK(stcb); 4093 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4094 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4095 stcb->asoc.stream_scheduling_module = av->assoc_value; 4096 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4097 SCTP_TCB_SEND_UNLOCK(stcb); 4098 SCTP_TCB_UNLOCK(stcb); 4099 } else { 4100 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4101 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4102 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4103 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4104 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4105 SCTP_INP_WLOCK(inp); 4106 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4107 SCTP_INP_WUNLOCK(inp); 4108 } 4109 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4110 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4111 (av->assoc_id == SCTP_ALL_ASSOC))) { 4112 SCTP_INP_RLOCK(inp); 4113 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4114 SCTP_TCB_LOCK(stcb); 4115 SCTP_TCB_SEND_LOCK(stcb); 4116 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4117 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4118 stcb->asoc.stream_scheduling_module = av->assoc_value; 4119 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4120 SCTP_TCB_SEND_UNLOCK(stcb); 4121 SCTP_TCB_UNLOCK(stcb); 4122 } 4123 SCTP_INP_RUNLOCK(inp); 4124 } 4125 } 4126 break; 4127 } 4128 case SCTP_SS_VALUE: 4129 { 4130 struct sctp_stream_value *av; 4131 4132 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4133 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4134 if (stcb) { 4135 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4136 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4137 av->stream_value) < 0)) { 4138 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4139 error = EINVAL; 4140 } 4141 SCTP_TCB_UNLOCK(stcb); 4142 } else { 4143 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4144 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4145 SCTP_INP_RLOCK(inp); 4146 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4147 SCTP_TCB_LOCK(stcb); 4148 if (av->stream_id < stcb->asoc.streamoutcnt) { 4149 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4150 &stcb->asoc, 4151 &stcb->asoc.strmout[av->stream_id], 4152 av->stream_value); 4153 } 4154 SCTP_TCB_UNLOCK(stcb); 4155 } 4156 SCTP_INP_RUNLOCK(inp); 4157 } else { 4158 /* 4159 * Can't set stream value without 4160 * association 4161 */ 4162 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4163 error = EINVAL; 4164 } 4165 } 4166 break; 4167 } 4168 case SCTP_CLR_STAT_LOG: 4169 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4170 error = EOPNOTSUPP; 4171 break; 4172 case SCTP_CONTEXT: 4173 { 4174 struct sctp_assoc_value *av; 4175 4176 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4177 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4178 4179 if (stcb) { 4180 stcb->asoc.context = av->assoc_value; 4181 SCTP_TCB_UNLOCK(stcb); 4182 } else { 4183 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4184 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4185 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4186 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4187 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4188 SCTP_INP_WLOCK(inp); 4189 inp->sctp_context = av->assoc_value; 4190 SCTP_INP_WUNLOCK(inp); 4191 } 4192 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4193 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4194 (av->assoc_id == SCTP_ALL_ASSOC))) { 4195 SCTP_INP_RLOCK(inp); 4196 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4197 SCTP_TCB_LOCK(stcb); 4198 stcb->asoc.context = av->assoc_value; 4199 SCTP_TCB_UNLOCK(stcb); 4200 } 4201 SCTP_INP_RUNLOCK(inp); 4202 } 4203 } 4204 break; 4205 } 4206 case SCTP_VRF_ID: 4207 { 4208 uint32_t *default_vrfid; 4209 4210 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4211 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4212 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4213 error = EINVAL; 4214 break; 4215 } 4216 inp->def_vrf_id = *default_vrfid; 4217 break; 4218 } 4219 case SCTP_DEL_VRF_ID: 4220 { 4221 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4222 error = EOPNOTSUPP; 4223 break; 4224 } 4225 case SCTP_ADD_VRF_ID: 4226 { 4227 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4228 error = EOPNOTSUPP; 4229 break; 4230 } 4231 case SCTP_DELAYED_SACK: 4232 { 4233 struct sctp_sack_info *sack; 4234 4235 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4236 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4237 if (sack->sack_delay) { 4238 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4239 error = EINVAL; 4240 if (stcb != NULL) { 4241 SCTP_TCB_UNLOCK(stcb); 4242 } 4243 break; 4244 } 4245 } 4246 if (stcb) { 4247 if (sack->sack_delay) { 4248 stcb->asoc.delayed_ack = sack->sack_delay; 4249 } 4250 if (sack->sack_freq) { 4251 stcb->asoc.sack_freq = sack->sack_freq; 4252 } 4253 SCTP_TCB_UNLOCK(stcb); 4254 } else { 4255 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4256 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4257 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4258 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4259 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4260 SCTP_INP_WLOCK(inp); 4261 if (sack->sack_delay) { 4262 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4263 } 4264 if (sack->sack_freq) { 4265 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4266 } 4267 SCTP_INP_WUNLOCK(inp); 4268 } 4269 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4270 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4271 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4272 SCTP_INP_RLOCK(inp); 4273 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4274 SCTP_TCB_LOCK(stcb); 4275 if (sack->sack_delay) { 4276 stcb->asoc.delayed_ack = sack->sack_delay; 4277 } 4278 if (sack->sack_freq) { 4279 stcb->asoc.sack_freq = sack->sack_freq; 4280 } 4281 SCTP_TCB_UNLOCK(stcb); 4282 } 4283 SCTP_INP_RUNLOCK(inp); 4284 } 4285 } 4286 break; 4287 } 4288 case SCTP_AUTH_CHUNK: 4289 { 4290 struct sctp_authchunk *sauth; 4291 4292 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4293 4294 SCTP_INP_WLOCK(inp); 4295 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4296 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4297 error = EINVAL; 4298 } else { 4299 inp->auth_supported = 1; 4300 } 4301 SCTP_INP_WUNLOCK(inp); 4302 break; 4303 } 4304 case SCTP_AUTH_KEY: 4305 { 4306 struct sctp_authkey *sca; 4307 struct sctp_keyhead *shared_keys; 4308 sctp_sharedkey_t *shared_key; 4309 sctp_key_t *key = NULL; 4310 size_t size; 4311 4312 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4313 if (sca->sca_keylength == 0) { 4314 size = optsize - sizeof(struct sctp_authkey); 4315 } else { 4316 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4317 size = sca->sca_keylength; 4318 } else { 4319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4320 error = EINVAL; 4321 break; 4322 } 4323 } 4324 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4325 4326 if (stcb) { 4327 shared_keys = &stcb->asoc.shared_keys; 4328 /* clear the cached keys for this key id */ 4329 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4330 /* 4331 * create the new shared key and 4332 * insert/replace it 4333 */ 4334 if (size > 0) { 4335 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4336 if (key == NULL) { 4337 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4338 error = ENOMEM; 4339 SCTP_TCB_UNLOCK(stcb); 4340 break; 4341 } 4342 } 4343 shared_key = sctp_alloc_sharedkey(); 4344 if (shared_key == NULL) { 4345 sctp_free_key(key); 4346 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4347 error = ENOMEM; 4348 SCTP_TCB_UNLOCK(stcb); 4349 break; 4350 } 4351 shared_key->key = key; 4352 shared_key->keyid = sca->sca_keynumber; 4353 error = sctp_insert_sharedkey(shared_keys, shared_key); 4354 SCTP_TCB_UNLOCK(stcb); 4355 } else { 4356 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4357 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4358 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4359 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4360 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4361 SCTP_INP_WLOCK(inp); 4362 shared_keys = &inp->sctp_ep.shared_keys; 4363 /* 4364 * clear the cached keys on all 4365 * assocs for this key id 4366 */ 4367 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4368 /* 4369 * create the new shared key and 4370 * insert/replace it 4371 */ 4372 if (size > 0) { 4373 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4374 if (key == NULL) { 4375 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4376 error = ENOMEM; 4377 SCTP_INP_WUNLOCK(inp); 4378 break; 4379 } 4380 } 4381 shared_key = sctp_alloc_sharedkey(); 4382 if (shared_key == NULL) { 4383 sctp_free_key(key); 4384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4385 error = ENOMEM; 4386 SCTP_INP_WUNLOCK(inp); 4387 break; 4388 } 4389 shared_key->key = key; 4390 shared_key->keyid = sca->sca_keynumber; 4391 error = sctp_insert_sharedkey(shared_keys, shared_key); 4392 SCTP_INP_WUNLOCK(inp); 4393 } 4394 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4395 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4396 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4397 SCTP_INP_RLOCK(inp); 4398 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4399 SCTP_TCB_LOCK(stcb); 4400 shared_keys = &stcb->asoc.shared_keys; 4401 /* 4402 * clear the cached keys for 4403 * this key id 4404 */ 4405 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4406 /* 4407 * create the new shared key 4408 * and insert/replace it 4409 */ 4410 if (size > 0) { 4411 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4412 if (key == NULL) { 4413 SCTP_TCB_UNLOCK(stcb); 4414 continue; 4415 } 4416 } 4417 shared_key = sctp_alloc_sharedkey(); 4418 if (shared_key == NULL) { 4419 sctp_free_key(key); 4420 SCTP_TCB_UNLOCK(stcb); 4421 continue; 4422 } 4423 shared_key->key = key; 4424 shared_key->keyid = sca->sca_keynumber; 4425 error = sctp_insert_sharedkey(shared_keys, shared_key); 4426 SCTP_TCB_UNLOCK(stcb); 4427 } 4428 SCTP_INP_RUNLOCK(inp); 4429 } 4430 } 4431 break; 4432 } 4433 case SCTP_HMAC_IDENT: 4434 { 4435 struct sctp_hmacalgo *shmac; 4436 sctp_hmaclist_t *hmaclist; 4437 uint16_t hmacid; 4438 uint32_t i; 4439 4440 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4441 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4442 (shmac->shmac_number_of_idents > 0xffff)) { 4443 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4444 error = EINVAL; 4445 break; 4446 } 4447 4448 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4449 if (hmaclist == NULL) { 4450 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4451 error = ENOMEM; 4452 break; 4453 } 4454 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4455 hmacid = shmac->shmac_idents[i]; 4456 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4457 /* invalid HMACs were found */ ; 4458 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4459 error = EINVAL; 4460 sctp_free_hmaclist(hmaclist); 4461 goto sctp_set_hmac_done; 4462 } 4463 } 4464 for (i = 0; i < hmaclist->num_algo; i++) { 4465 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4466 /* already in list */ 4467 break; 4468 } 4469 } 4470 if (i == hmaclist->num_algo) { 4471 /* not found in list */ 4472 sctp_free_hmaclist(hmaclist); 4473 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4474 error = EINVAL; 4475 break; 4476 } 4477 /* set it on the endpoint */ 4478 SCTP_INP_WLOCK(inp); 4479 if (inp->sctp_ep.local_hmacs) 4480 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4481 inp->sctp_ep.local_hmacs = hmaclist; 4482 SCTP_INP_WUNLOCK(inp); 4483 sctp_set_hmac_done: 4484 break; 4485 } 4486 case SCTP_AUTH_ACTIVE_KEY: 4487 { 4488 struct sctp_authkeyid *scact; 4489 4490 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4491 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4492 4493 /* set the active key on the right place */ 4494 if (stcb) { 4495 /* set the active key on the assoc */ 4496 if (sctp_auth_setactivekey(stcb, 4497 scact->scact_keynumber)) { 4498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4499 SCTP_FROM_SCTP_USRREQ, 4500 EINVAL); 4501 error = EINVAL; 4502 } 4503 SCTP_TCB_UNLOCK(stcb); 4504 } else { 4505 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4506 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4507 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4508 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4509 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4510 SCTP_INP_WLOCK(inp); 4511 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4513 error = EINVAL; 4514 } 4515 SCTP_INP_WUNLOCK(inp); 4516 } 4517 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4518 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4519 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4520 SCTP_INP_RLOCK(inp); 4521 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4522 SCTP_TCB_LOCK(stcb); 4523 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4524 SCTP_TCB_UNLOCK(stcb); 4525 } 4526 SCTP_INP_RUNLOCK(inp); 4527 } 4528 } 4529 break; 4530 } 4531 case SCTP_AUTH_DELETE_KEY: 4532 { 4533 struct sctp_authkeyid *scdel; 4534 4535 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4536 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4537 4538 /* delete the key from the right place */ 4539 if (stcb) { 4540 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4542 error = EINVAL; 4543 } 4544 SCTP_TCB_UNLOCK(stcb); 4545 } else { 4546 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4547 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4548 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4549 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4550 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4551 SCTP_INP_WLOCK(inp); 4552 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4554 error = EINVAL; 4555 } 4556 SCTP_INP_WUNLOCK(inp); 4557 } 4558 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4559 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4560 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4561 SCTP_INP_RLOCK(inp); 4562 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4563 SCTP_TCB_LOCK(stcb); 4564 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4565 SCTP_TCB_UNLOCK(stcb); 4566 } 4567 SCTP_INP_RUNLOCK(inp); 4568 } 4569 } 4570 break; 4571 } 4572 case SCTP_AUTH_DEACTIVATE_KEY: 4573 { 4574 struct sctp_authkeyid *keyid; 4575 4576 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4577 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4578 4579 /* deactivate the key from the right place */ 4580 if (stcb) { 4581 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4583 error = EINVAL; 4584 } 4585 SCTP_TCB_UNLOCK(stcb); 4586 } else { 4587 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4588 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4589 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4590 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4591 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4592 SCTP_INP_WLOCK(inp); 4593 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4595 error = EINVAL; 4596 } 4597 SCTP_INP_WUNLOCK(inp); 4598 } 4599 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4600 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4601 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4602 SCTP_INP_RLOCK(inp); 4603 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4604 SCTP_TCB_LOCK(stcb); 4605 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4606 SCTP_TCB_UNLOCK(stcb); 4607 } 4608 SCTP_INP_RUNLOCK(inp); 4609 } 4610 } 4611 break; 4612 } 4613 case SCTP_ENABLE_STREAM_RESET: 4614 { 4615 struct sctp_assoc_value *av; 4616 4617 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4618 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4619 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4620 error = EINVAL; 4621 break; 4622 } 4623 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4624 if (stcb) { 4625 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4626 SCTP_TCB_UNLOCK(stcb); 4627 } else { 4628 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4629 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4630 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4631 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4632 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4633 SCTP_INP_WLOCK(inp); 4634 inp->local_strreset_support = (uint8_t)av->assoc_value; 4635 SCTP_INP_WUNLOCK(inp); 4636 } 4637 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4638 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4639 (av->assoc_id == SCTP_ALL_ASSOC))) { 4640 SCTP_INP_RLOCK(inp); 4641 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4642 SCTP_TCB_LOCK(stcb); 4643 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4644 SCTP_TCB_UNLOCK(stcb); 4645 } 4646 SCTP_INP_RUNLOCK(inp); 4647 } 4648 4649 } 4650 break; 4651 } 4652 case SCTP_RESET_STREAMS: 4653 { 4654 struct sctp_reset_streams *strrst; 4655 int i, send_out = 0; 4656 int send_in = 0; 4657 4658 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4659 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4660 if (stcb == NULL) { 4661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4662 error = ENOENT; 4663 break; 4664 } 4665 if (stcb->asoc.reconfig_supported == 0) { 4666 /* 4667 * Peer does not support the chunk type. 4668 */ 4669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4670 error = EOPNOTSUPP; 4671 SCTP_TCB_UNLOCK(stcb); 4672 break; 4673 } 4674 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4676 error = EINVAL; 4677 SCTP_TCB_UNLOCK(stcb); 4678 break; 4679 } 4680 if (sizeof(struct sctp_reset_streams) + 4681 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4682 error = EINVAL; 4683 SCTP_TCB_UNLOCK(stcb); 4684 break; 4685 } 4686 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4687 send_in = 1; 4688 if (stcb->asoc.stream_reset_outstanding) { 4689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4690 error = EALREADY; 4691 SCTP_TCB_UNLOCK(stcb); 4692 break; 4693 } 4694 } 4695 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4696 send_out = 1; 4697 } 4698 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4699 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4700 error = ENOMEM; 4701 SCTP_TCB_UNLOCK(stcb); 4702 break; 4703 } 4704 if ((send_in == 0) && (send_out == 0)) { 4705 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4706 error = EINVAL; 4707 SCTP_TCB_UNLOCK(stcb); 4708 break; 4709 } 4710 for (i = 0; i < strrst->srs_number_streams; i++) { 4711 if ((send_in) && 4712 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4714 error = EINVAL; 4715 break; 4716 } 4717 if ((send_out) && 4718 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4720 error = EINVAL; 4721 break; 4722 } 4723 } 4724 if (error) { 4725 SCTP_TCB_UNLOCK(stcb); 4726 break; 4727 } 4728 if (send_out) { 4729 int cnt; 4730 uint16_t strm; 4731 4732 if (strrst->srs_number_streams) { 4733 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4734 strm = strrst->srs_stream_list[i]; 4735 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4736 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4737 cnt++; 4738 } 4739 } 4740 } else { 4741 /* Its all */ 4742 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4743 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4744 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4745 cnt++; 4746 } 4747 } 4748 } 4749 } 4750 if (send_in) { 4751 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4752 strrst->srs_stream_list, 4753 send_in, 0, 0, 0, 0, 0); 4754 } else { 4755 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4756 } 4757 if (error == 0) { 4758 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4759 } else { 4760 /* 4761 * For outgoing streams don't report any 4762 * problems in sending the request to the 4763 * application. XXX: Double check resetting 4764 * incoming streams. 4765 */ 4766 error = 0; 4767 } 4768 SCTP_TCB_UNLOCK(stcb); 4769 break; 4770 } 4771 case SCTP_ADD_STREAMS: 4772 { 4773 struct sctp_add_streams *stradd; 4774 uint8_t addstream = 0; 4775 uint16_t add_o_strmcnt = 0; 4776 uint16_t add_i_strmcnt = 0; 4777 4778 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4779 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4780 if (stcb == NULL) { 4781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4782 error = ENOENT; 4783 break; 4784 } 4785 if (stcb->asoc.reconfig_supported == 0) { 4786 /* 4787 * Peer does not support the chunk type. 4788 */ 4789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4790 error = EOPNOTSUPP; 4791 SCTP_TCB_UNLOCK(stcb); 4792 break; 4793 } 4794 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4796 error = EINVAL; 4797 SCTP_TCB_UNLOCK(stcb); 4798 break; 4799 } 4800 if (stcb->asoc.stream_reset_outstanding) { 4801 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4802 error = EALREADY; 4803 SCTP_TCB_UNLOCK(stcb); 4804 break; 4805 } 4806 if ((stradd->sas_outstrms == 0) && 4807 (stradd->sas_instrms == 0)) { 4808 error = EINVAL; 4809 goto skip_stuff; 4810 } 4811 if (stradd->sas_outstrms) { 4812 addstream = 1; 4813 /* We allocate here */ 4814 add_o_strmcnt = stradd->sas_outstrms; 4815 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4816 /* You can't have more than 64k */ 4817 error = EINVAL; 4818 goto skip_stuff; 4819 } 4820 } 4821 if (stradd->sas_instrms) { 4822 int cnt; 4823 4824 addstream |= 2; 4825 /* 4826 * We allocate inside 4827 * sctp_send_str_reset_req() 4828 */ 4829 add_i_strmcnt = stradd->sas_instrms; 4830 cnt = add_i_strmcnt; 4831 cnt += stcb->asoc.streamincnt; 4832 if (cnt > 0x0000ffff) { 4833 /* You can't have more than 64k */ 4834 error = EINVAL; 4835 goto skip_stuff; 4836 } 4837 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4838 /* More than you are allowed */ 4839 error = EINVAL; 4840 goto skip_stuff; 4841 } 4842 } 4843 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4844 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4845 skip_stuff: 4846 SCTP_TCB_UNLOCK(stcb); 4847 break; 4848 } 4849 case SCTP_RESET_ASSOC: 4850 { 4851 int i; 4852 uint32_t *value; 4853 4854 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4855 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4856 if (stcb == NULL) { 4857 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4858 error = ENOENT; 4859 break; 4860 } 4861 if (stcb->asoc.reconfig_supported == 0) { 4862 /* 4863 * Peer does not support the chunk type. 4864 */ 4865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4866 error = EOPNOTSUPP; 4867 SCTP_TCB_UNLOCK(stcb); 4868 break; 4869 } 4870 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4872 error = EINVAL; 4873 SCTP_TCB_UNLOCK(stcb); 4874 break; 4875 } 4876 if (stcb->asoc.stream_reset_outstanding) { 4877 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4878 error = EALREADY; 4879 SCTP_TCB_UNLOCK(stcb); 4880 break; 4881 } 4882 /* 4883 * Is there any data pending in the send or sent 4884 * queues? 4885 */ 4886 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4887 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4888 busy_out: 4889 error = EBUSY; 4890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4891 SCTP_TCB_UNLOCK(stcb); 4892 break; 4893 } 4894 /* Do any streams have data queued? */ 4895 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4896 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4897 goto busy_out; 4898 } 4899 } 4900 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4901 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4902 SCTP_TCB_UNLOCK(stcb); 4903 break; 4904 } 4905 case SCTP_CONNECT_X: 4906 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4908 error = EINVAL; 4909 break; 4910 } 4911 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4912 break; 4913 case SCTP_CONNECT_X_DELAYED: 4914 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4916 error = EINVAL; 4917 break; 4918 } 4919 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4920 break; 4921 case SCTP_CONNECT_X_COMPLETE: 4922 { 4923 struct sockaddr *sa; 4924 4925 /* FIXME MT: check correct? */ 4926 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4927 4928 /* find tcb */ 4929 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4930 SCTP_INP_RLOCK(inp); 4931 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4932 if (stcb) { 4933 SCTP_TCB_LOCK(stcb); 4934 } 4935 SCTP_INP_RUNLOCK(inp); 4936 } else { 4937 /* 4938 * We increment here since 4939 * sctp_findassociation_ep_addr() wil do a 4940 * decrement if it finds the stcb as long as 4941 * the locked tcb (last argument) is NOT a 4942 * TCB.. aka NULL. 4943 */ 4944 SCTP_INP_INCR_REF(inp); 4945 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4946 if (stcb == NULL) { 4947 SCTP_INP_DECR_REF(inp); 4948 } 4949 } 4950 4951 if (stcb == NULL) { 4952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4953 error = ENOENT; 4954 break; 4955 } 4956 if (stcb->asoc.delayed_connection == 1) { 4957 stcb->asoc.delayed_connection = 0; 4958 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4959 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4960 stcb->asoc.primary_destination, 4961 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4962 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4963 } else { 4964 /* 4965 * already expired or did not use delayed 4966 * connectx 4967 */ 4968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4969 error = EALREADY; 4970 } 4971 SCTP_TCB_UNLOCK(stcb); 4972 break; 4973 } 4974 case SCTP_MAX_BURST: 4975 { 4976 struct sctp_assoc_value *av; 4977 4978 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4979 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4980 4981 if (stcb) { 4982 stcb->asoc.max_burst = av->assoc_value; 4983 SCTP_TCB_UNLOCK(stcb); 4984 } else { 4985 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4986 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4987 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4988 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4989 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4990 SCTP_INP_WLOCK(inp); 4991 inp->sctp_ep.max_burst = av->assoc_value; 4992 SCTP_INP_WUNLOCK(inp); 4993 } 4994 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4995 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4996 (av->assoc_id == SCTP_ALL_ASSOC))) { 4997 SCTP_INP_RLOCK(inp); 4998 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4999 SCTP_TCB_LOCK(stcb); 5000 stcb->asoc.max_burst = av->assoc_value; 5001 SCTP_TCB_UNLOCK(stcb); 5002 } 5003 SCTP_INP_RUNLOCK(inp); 5004 } 5005 } 5006 break; 5007 } 5008 case SCTP_MAXSEG: 5009 { 5010 struct sctp_assoc_value *av; 5011 int ovh; 5012 5013 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 5014 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 5015 5016 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5017 ovh = SCTP_MED_OVERHEAD; 5018 } else { 5019 ovh = SCTP_MED_V4_OVERHEAD; 5020 } 5021 if (stcb) { 5022 if (av->assoc_value) { 5023 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 5024 } else { 5025 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5026 } 5027 SCTP_TCB_UNLOCK(stcb); 5028 } else { 5029 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5030 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5031 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5032 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 5033 SCTP_INP_WLOCK(inp); 5034 /* 5035 * FIXME MT: I think this is not in 5036 * tune with the API ID 5037 */ 5038 if (av->assoc_value) { 5039 inp->sctp_frag_point = (av->assoc_value + ovh); 5040 } else { 5041 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5042 } 5043 SCTP_INP_WUNLOCK(inp); 5044 } else { 5045 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5046 error = EINVAL; 5047 } 5048 } 5049 break; 5050 } 5051 case SCTP_EVENTS: 5052 { 5053 struct sctp_event_subscribe *events; 5054 5055 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5056 5057 SCTP_INP_WLOCK(inp); 5058 if (events->sctp_data_io_event) { 5059 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5060 } else { 5061 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5062 } 5063 5064 if (events->sctp_association_event) { 5065 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5066 } else { 5067 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5068 } 5069 5070 if (events->sctp_address_event) { 5071 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5072 } else { 5073 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5074 } 5075 5076 if (events->sctp_send_failure_event) { 5077 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5078 } else { 5079 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5080 } 5081 5082 if (events->sctp_peer_error_event) { 5083 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5084 } else { 5085 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5086 } 5087 5088 if (events->sctp_shutdown_event) { 5089 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5090 } else { 5091 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5092 } 5093 5094 if (events->sctp_partial_delivery_event) { 5095 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5096 } else { 5097 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5098 } 5099 5100 if (events->sctp_adaptation_layer_event) { 5101 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5102 } else { 5103 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5104 } 5105 5106 if (events->sctp_authentication_event) { 5107 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5108 } else { 5109 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5110 } 5111 5112 if (events->sctp_sender_dry_event) { 5113 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5114 } else { 5115 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5116 } 5117 5118 if (events->sctp_stream_reset_event) { 5119 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5120 } else { 5121 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5122 } 5123 SCTP_INP_WUNLOCK(inp); 5124 5125 SCTP_INP_RLOCK(inp); 5126 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5127 SCTP_TCB_LOCK(stcb); 5128 if (events->sctp_association_event) { 5129 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5130 } else { 5131 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5132 } 5133 if (events->sctp_address_event) { 5134 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5135 } else { 5136 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5137 } 5138 if (events->sctp_send_failure_event) { 5139 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5140 } else { 5141 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5142 } 5143 if (events->sctp_peer_error_event) { 5144 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5145 } else { 5146 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5147 } 5148 if (events->sctp_shutdown_event) { 5149 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5150 } else { 5151 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5152 } 5153 if (events->sctp_partial_delivery_event) { 5154 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5155 } else { 5156 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5157 } 5158 if (events->sctp_adaptation_layer_event) { 5159 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5160 } else { 5161 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5162 } 5163 if (events->sctp_authentication_event) { 5164 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5165 } else { 5166 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5167 } 5168 if (events->sctp_sender_dry_event) { 5169 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5170 } else { 5171 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5172 } 5173 if (events->sctp_stream_reset_event) { 5174 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5175 } else { 5176 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5177 } 5178 SCTP_TCB_UNLOCK(stcb); 5179 } 5180 /* 5181 * Send up the sender dry event only for 1-to-1 5182 * style sockets. 5183 */ 5184 if (events->sctp_sender_dry_event) { 5185 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5186 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5187 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5188 if (stcb) { 5189 SCTP_TCB_LOCK(stcb); 5190 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5191 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5192 (stcb->asoc.stream_queue_cnt == 0)) { 5193 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5194 } 5195 SCTP_TCB_UNLOCK(stcb); 5196 } 5197 } 5198 } 5199 SCTP_INP_RUNLOCK(inp); 5200 break; 5201 } 5202 case SCTP_ADAPTATION_LAYER: 5203 { 5204 struct sctp_setadaptation *adap_bits; 5205 5206 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5207 SCTP_INP_WLOCK(inp); 5208 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5209 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5210 SCTP_INP_WUNLOCK(inp); 5211 break; 5212 } 5213 #ifdef SCTP_DEBUG 5214 case SCTP_SET_INITIAL_DBG_SEQ: 5215 { 5216 uint32_t *vvv; 5217 5218 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5219 SCTP_INP_WLOCK(inp); 5220 inp->sctp_ep.initial_sequence_debug = *vvv; 5221 SCTP_INP_WUNLOCK(inp); 5222 break; 5223 } 5224 #endif 5225 case SCTP_DEFAULT_SEND_PARAM: 5226 { 5227 struct sctp_sndrcvinfo *s_info; 5228 5229 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5230 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5231 5232 if (stcb) { 5233 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5234 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5235 } else { 5236 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5237 error = EINVAL; 5238 } 5239 SCTP_TCB_UNLOCK(stcb); 5240 } else { 5241 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5242 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5243 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5244 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5245 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5246 SCTP_INP_WLOCK(inp); 5247 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5248 SCTP_INP_WUNLOCK(inp); 5249 } 5250 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5251 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5252 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5253 SCTP_INP_RLOCK(inp); 5254 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5255 SCTP_TCB_LOCK(stcb); 5256 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5257 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5258 } 5259 SCTP_TCB_UNLOCK(stcb); 5260 } 5261 SCTP_INP_RUNLOCK(inp); 5262 } 5263 } 5264 break; 5265 } 5266 case SCTP_PEER_ADDR_PARAMS: 5267 { 5268 struct sctp_paddrparams *paddrp; 5269 struct sctp_nets *net; 5270 struct sockaddr *addr; 5271 #if defined(INET) && defined(INET6) 5272 struct sockaddr_in sin_store; 5273 #endif 5274 5275 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5276 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5277 5278 #if defined(INET) && defined(INET6) 5279 if (paddrp->spp_address.ss_family == AF_INET6) { 5280 struct sockaddr_in6 *sin6; 5281 5282 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5283 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5284 in6_sin6_2_sin(&sin_store, sin6); 5285 addr = (struct sockaddr *)&sin_store; 5286 } else { 5287 addr = (struct sockaddr *)&paddrp->spp_address; 5288 } 5289 } else { 5290 addr = (struct sockaddr *)&paddrp->spp_address; 5291 } 5292 #else 5293 addr = (struct sockaddr *)&paddrp->spp_address; 5294 #endif 5295 if (stcb != NULL) { 5296 net = sctp_findnet(stcb, addr); 5297 } else { 5298 /* 5299 * We increment here since 5300 * sctp_findassociation_ep_addr() wil do a 5301 * decrement if it finds the stcb as long as 5302 * the locked tcb (last argument) is NOT a 5303 * TCB.. aka NULL. 5304 */ 5305 net = NULL; 5306 SCTP_INP_INCR_REF(inp); 5307 stcb = sctp_findassociation_ep_addr(&inp, addr, 5308 &net, NULL, NULL); 5309 if (stcb == NULL) { 5310 SCTP_INP_DECR_REF(inp); 5311 } 5312 } 5313 if ((stcb != NULL) && (net == NULL)) { 5314 #ifdef INET 5315 if (addr->sa_family == AF_INET) { 5316 5317 struct sockaddr_in *sin; 5318 5319 sin = (struct sockaddr_in *)addr; 5320 if (sin->sin_addr.s_addr != INADDR_ANY) { 5321 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5322 SCTP_TCB_UNLOCK(stcb); 5323 error = EINVAL; 5324 break; 5325 } 5326 } else 5327 #endif 5328 #ifdef INET6 5329 if (addr->sa_family == AF_INET6) { 5330 struct sockaddr_in6 *sin6; 5331 5332 sin6 = (struct sockaddr_in6 *)addr; 5333 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5334 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5335 SCTP_TCB_UNLOCK(stcb); 5336 error = EINVAL; 5337 break; 5338 } 5339 } else 5340 #endif 5341 { 5342 error = EAFNOSUPPORT; 5343 SCTP_TCB_UNLOCK(stcb); 5344 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5345 break; 5346 } 5347 } 5348 /* sanity checks */ 5349 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5350 if (stcb) 5351 SCTP_TCB_UNLOCK(stcb); 5352 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5353 return (EINVAL); 5354 } 5355 5356 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5357 if (stcb) 5358 SCTP_TCB_UNLOCK(stcb); 5359 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5360 return (EINVAL); 5361 } 5362 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5363 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5364 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5365 if (stcb) 5366 SCTP_TCB_UNLOCK(stcb); 5367 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5368 return (EINVAL); 5369 } 5370 5371 if (stcb != NULL) { 5372 /************************TCB SPECIFIC SET ******************/ 5373 if (net != NULL) { 5374 /************************NET SPECIFIC SET ******************/ 5375 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5376 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5377 !(net->dest_state & SCTP_ADDR_NOHB)) { 5378 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5379 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5380 } 5381 net->dest_state |= SCTP_ADDR_NOHB; 5382 } 5383 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5384 if (paddrp->spp_hbinterval) { 5385 net->heart_beat_delay = paddrp->spp_hbinterval; 5386 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5387 net->heart_beat_delay = 0; 5388 } 5389 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5390 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5391 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5392 net->dest_state &= ~SCTP_ADDR_NOHB; 5393 } 5394 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5395 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5396 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5397 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5398 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5399 } 5400 } 5401 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5402 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5403 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5404 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5405 } 5406 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5407 net->mtu = paddrp->spp_pathmtu; 5408 switch (net->ro._l_addr.sa.sa_family) { 5409 #ifdef INET 5410 case AF_INET: 5411 net->mtu += SCTP_MIN_V4_OVERHEAD; 5412 break; 5413 #endif 5414 #ifdef INET6 5415 case AF_INET6: 5416 net->mtu += SCTP_MIN_OVERHEAD; 5417 break; 5418 #endif 5419 default: 5420 break; 5421 } 5422 if (net->mtu < stcb->asoc.smallest_mtu) { 5423 sctp_pathmtu_adjustment(stcb, net->mtu); 5424 } 5425 } 5426 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5427 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5428 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5429 } 5430 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5431 } 5432 if (paddrp->spp_pathmaxrxt) { 5433 if (net->dest_state & SCTP_ADDR_PF) { 5434 if (net->error_count > paddrp->spp_pathmaxrxt) { 5435 net->dest_state &= ~SCTP_ADDR_PF; 5436 } 5437 } else { 5438 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5439 (net->error_count > net->pf_threshold)) { 5440 net->dest_state |= SCTP_ADDR_PF; 5441 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5442 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5443 stcb->sctp_ep, stcb, net, 5444 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5445 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5446 } 5447 } 5448 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5449 if (net->error_count > paddrp->spp_pathmaxrxt) { 5450 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5451 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5452 } 5453 } else { 5454 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5455 net->dest_state |= SCTP_ADDR_REACHABLE; 5456 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5457 } 5458 } 5459 net->failure_threshold = paddrp->spp_pathmaxrxt; 5460 } 5461 if (paddrp->spp_flags & SPP_DSCP) { 5462 net->dscp = paddrp->spp_dscp & 0xfc; 5463 net->dscp |= 0x01; 5464 } 5465 #ifdef INET6 5466 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5467 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5468 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5469 net->flowlabel |= 0x80000000; 5470 } 5471 } 5472 #endif 5473 } else { 5474 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5475 if (paddrp->spp_pathmaxrxt != 0) { 5476 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5477 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5478 if (net->dest_state & SCTP_ADDR_PF) { 5479 if (net->error_count > paddrp->spp_pathmaxrxt) { 5480 net->dest_state &= ~SCTP_ADDR_PF; 5481 } 5482 } else { 5483 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5484 (net->error_count > net->pf_threshold)) { 5485 net->dest_state |= SCTP_ADDR_PF; 5486 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5487 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5488 stcb->sctp_ep, stcb, net, 5489 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5490 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5491 } 5492 } 5493 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5494 if (net->error_count > paddrp->spp_pathmaxrxt) { 5495 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5496 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5497 } 5498 } else { 5499 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5500 net->dest_state |= SCTP_ADDR_REACHABLE; 5501 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5502 } 5503 } 5504 net->failure_threshold = paddrp->spp_pathmaxrxt; 5505 } 5506 } 5507 5508 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5509 if (paddrp->spp_hbinterval != 0) { 5510 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5511 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5512 stcb->asoc.heart_beat_delay = 0; 5513 } 5514 /* Turn back on the timer */ 5515 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5516 if (paddrp->spp_hbinterval != 0) { 5517 net->heart_beat_delay = paddrp->spp_hbinterval; 5518 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5519 net->heart_beat_delay = 0; 5520 } 5521 if (net->dest_state & SCTP_ADDR_NOHB) { 5522 net->dest_state &= ~SCTP_ADDR_NOHB; 5523 } 5524 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5525 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5526 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5527 } 5528 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5529 } 5530 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5531 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5532 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5533 net->dest_state |= SCTP_ADDR_NOHB; 5534 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5535 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5536 inp, stcb, net, 5537 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5538 } 5539 } 5540 } 5541 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5542 } 5543 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5544 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5545 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5546 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5547 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5548 } 5549 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5550 net->mtu = paddrp->spp_pathmtu; 5551 switch (net->ro._l_addr.sa.sa_family) { 5552 #ifdef INET 5553 case AF_INET: 5554 net->mtu += SCTP_MIN_V4_OVERHEAD; 5555 break; 5556 #endif 5557 #ifdef INET6 5558 case AF_INET6: 5559 net->mtu += SCTP_MIN_OVERHEAD; 5560 break; 5561 #endif 5562 default: 5563 break; 5564 } 5565 if (net->mtu < stcb->asoc.smallest_mtu) { 5566 sctp_pathmtu_adjustment(stcb, net->mtu); 5567 } 5568 } 5569 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5570 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5571 } 5572 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5573 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5574 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5575 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5576 } 5577 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5578 } 5579 stcb->asoc.default_mtu = 0; 5580 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5581 } 5582 if (paddrp->spp_flags & SPP_DSCP) { 5583 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5584 net->dscp = paddrp->spp_dscp & 0xfc; 5585 net->dscp |= 0x01; 5586 } 5587 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5588 stcb->asoc.default_dscp |= 0x01; 5589 } 5590 #ifdef INET6 5591 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5592 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5593 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5594 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5595 net->flowlabel |= 0x80000000; 5596 } 5597 } 5598 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5599 stcb->asoc.default_flowlabel |= 0x80000000; 5600 } 5601 #endif 5602 } 5603 SCTP_TCB_UNLOCK(stcb); 5604 } else { 5605 /************************NO TCB, SET TO default stuff ******************/ 5606 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5607 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5608 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5609 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5610 SCTP_INP_WLOCK(inp); 5611 /* 5612 * For the TOS/FLOWLABEL stuff you 5613 * set it with the options on the 5614 * socket 5615 */ 5616 if (paddrp->spp_pathmaxrxt != 0) { 5617 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5618 } 5619 5620 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5621 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5622 else if (paddrp->spp_hbinterval != 0) { 5623 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5624 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5625 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5626 } 5627 5628 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5629 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5630 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5631 } else if (paddrp->spp_hbinterval) { 5632 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5633 } 5634 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5635 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5636 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5637 } 5638 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5639 inp->sctp_ep.default_mtu = 0; 5640 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5641 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5642 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5643 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5644 } 5645 if (paddrp->spp_flags & SPP_DSCP) { 5646 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5647 inp->sctp_ep.default_dscp |= 0x01; 5648 } 5649 #ifdef INET6 5650 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5651 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5652 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5653 inp->sctp_ep.default_flowlabel |= 0x80000000; 5654 } 5655 } 5656 #endif 5657 SCTP_INP_WUNLOCK(inp); 5658 } else { 5659 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5660 error = EINVAL; 5661 } 5662 } 5663 break; 5664 } 5665 case SCTP_RTOINFO: 5666 { 5667 struct sctp_rtoinfo *srto; 5668 uint32_t new_init, new_min, new_max; 5669 5670 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5671 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5672 5673 if (stcb) { 5674 if (srto->srto_initial) 5675 new_init = srto->srto_initial; 5676 else 5677 new_init = stcb->asoc.initial_rto; 5678 if (srto->srto_max) 5679 new_max = srto->srto_max; 5680 else 5681 new_max = stcb->asoc.maxrto; 5682 if (srto->srto_min) 5683 new_min = srto->srto_min; 5684 else 5685 new_min = stcb->asoc.minrto; 5686 if ((new_min <= new_init) && (new_init <= new_max)) { 5687 stcb->asoc.initial_rto = new_init; 5688 stcb->asoc.maxrto = new_max; 5689 stcb->asoc.minrto = new_min; 5690 } else { 5691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5692 error = EINVAL; 5693 } 5694 SCTP_TCB_UNLOCK(stcb); 5695 } else { 5696 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5697 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5698 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5699 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5700 SCTP_INP_WLOCK(inp); 5701 if (srto->srto_initial) 5702 new_init = srto->srto_initial; 5703 else 5704 new_init = inp->sctp_ep.initial_rto; 5705 if (srto->srto_max) 5706 new_max = srto->srto_max; 5707 else 5708 new_max = inp->sctp_ep.sctp_maxrto; 5709 if (srto->srto_min) 5710 new_min = srto->srto_min; 5711 else 5712 new_min = inp->sctp_ep.sctp_minrto; 5713 if ((new_min <= new_init) && (new_init <= new_max)) { 5714 inp->sctp_ep.initial_rto = new_init; 5715 inp->sctp_ep.sctp_maxrto = new_max; 5716 inp->sctp_ep.sctp_minrto = new_min; 5717 } else { 5718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5719 error = EINVAL; 5720 } 5721 SCTP_INP_WUNLOCK(inp); 5722 } else { 5723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5724 error = EINVAL; 5725 } 5726 } 5727 break; 5728 } 5729 case SCTP_ASSOCINFO: 5730 { 5731 struct sctp_assocparams *sasoc; 5732 5733 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5734 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5735 if (sasoc->sasoc_cookie_life) { 5736 /* boundary check the cookie life */ 5737 if (sasoc->sasoc_cookie_life < 1000) 5738 sasoc->sasoc_cookie_life = 1000; 5739 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5740 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5741 } 5742 } 5743 if (stcb) { 5744 if (sasoc->sasoc_asocmaxrxt) 5745 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5746 if (sasoc->sasoc_cookie_life) { 5747 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5748 } 5749 SCTP_TCB_UNLOCK(stcb); 5750 } else { 5751 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5752 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5753 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5754 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5755 SCTP_INP_WLOCK(inp); 5756 if (sasoc->sasoc_asocmaxrxt) 5757 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5758 if (sasoc->sasoc_cookie_life) { 5759 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5760 } 5761 SCTP_INP_WUNLOCK(inp); 5762 } else { 5763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5764 error = EINVAL; 5765 } 5766 } 5767 break; 5768 } 5769 case SCTP_INITMSG: 5770 { 5771 struct sctp_initmsg *sinit; 5772 5773 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5774 SCTP_INP_WLOCK(inp); 5775 if (sinit->sinit_num_ostreams) 5776 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5777 5778 if (sinit->sinit_max_instreams) 5779 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5780 5781 if (sinit->sinit_max_attempts) 5782 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5783 5784 if (sinit->sinit_max_init_timeo) 5785 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5786 SCTP_INP_WUNLOCK(inp); 5787 break; 5788 } 5789 case SCTP_PRIMARY_ADDR: 5790 { 5791 struct sctp_setprim *spa; 5792 struct sctp_nets *net; 5793 struct sockaddr *addr; 5794 #if defined(INET) && defined(INET6) 5795 struct sockaddr_in sin_store; 5796 #endif 5797 5798 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5799 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5800 5801 #if defined(INET) && defined(INET6) 5802 if (spa->ssp_addr.ss_family == AF_INET6) { 5803 struct sockaddr_in6 *sin6; 5804 5805 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5806 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5807 in6_sin6_2_sin(&sin_store, sin6); 5808 addr = (struct sockaddr *)&sin_store; 5809 } else { 5810 addr = (struct sockaddr *)&spa->ssp_addr; 5811 } 5812 } else { 5813 addr = (struct sockaddr *)&spa->ssp_addr; 5814 } 5815 #else 5816 addr = (struct sockaddr *)&spa->ssp_addr; 5817 #endif 5818 if (stcb != NULL) { 5819 net = sctp_findnet(stcb, addr); 5820 } else { 5821 /* 5822 * We increment here since 5823 * sctp_findassociation_ep_addr() wil do a 5824 * decrement if it finds the stcb as long as 5825 * the locked tcb (last argument) is NOT a 5826 * TCB.. aka NULL. 5827 */ 5828 net = NULL; 5829 SCTP_INP_INCR_REF(inp); 5830 stcb = sctp_findassociation_ep_addr(&inp, addr, 5831 &net, NULL, NULL); 5832 if (stcb == NULL) { 5833 SCTP_INP_DECR_REF(inp); 5834 } 5835 } 5836 5837 if ((stcb != NULL) && (net != NULL)) { 5838 if (net != stcb->asoc.primary_destination) { 5839 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5840 /* Ok we need to set it */ 5841 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5842 if ((stcb->asoc.alternate) && 5843 (!(net->dest_state & SCTP_ADDR_PF)) && 5844 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5845 sctp_free_remote_addr(stcb->asoc.alternate); 5846 stcb->asoc.alternate = NULL; 5847 } 5848 } else { 5849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5850 error = EINVAL; 5851 } 5852 } else { 5853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5854 error = EINVAL; 5855 } 5856 } 5857 } else { 5858 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5859 error = EINVAL; 5860 } 5861 if (stcb != NULL) { 5862 SCTP_TCB_UNLOCK(stcb); 5863 } 5864 break; 5865 } 5866 case SCTP_SET_DYNAMIC_PRIMARY: 5867 { 5868 union sctp_sockstore *ss; 5869 5870 error = priv_check(curthread, 5871 PRIV_NETINET_RESERVEDPORT); 5872 if (error) 5873 break; 5874 5875 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5876 /* SUPER USER CHECK? */ 5877 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5878 break; 5879 } 5880 case SCTP_SET_PEER_PRIMARY_ADDR: 5881 { 5882 struct sctp_setpeerprim *sspp; 5883 struct sockaddr *addr; 5884 #if defined(INET) && defined(INET6) 5885 struct sockaddr_in sin_store; 5886 #endif 5887 5888 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5889 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5890 if (stcb != NULL) { 5891 struct sctp_ifa *ifa; 5892 5893 #if defined(INET) && defined(INET6) 5894 if (sspp->sspp_addr.ss_family == AF_INET6) { 5895 struct sockaddr_in6 *sin6; 5896 5897 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5898 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5899 in6_sin6_2_sin(&sin_store, sin6); 5900 addr = (struct sockaddr *)&sin_store; 5901 } else { 5902 addr = (struct sockaddr *)&sspp->sspp_addr; 5903 } 5904 } else { 5905 addr = (struct sockaddr *)&sspp->sspp_addr; 5906 } 5907 #else 5908 addr = (struct sockaddr *)&sspp->sspp_addr; 5909 #endif 5910 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5911 if (ifa == NULL) { 5912 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5913 error = EINVAL; 5914 goto out_of_it; 5915 } 5916 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5917 /* 5918 * Must validate the ifa found is in 5919 * our ep 5920 */ 5921 struct sctp_laddr *laddr; 5922 int found = 0; 5923 5924 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5925 if (laddr->ifa == NULL) { 5926 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5927 __func__); 5928 continue; 5929 } 5930 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5931 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5932 continue; 5933 } 5934 if (laddr->ifa == ifa) { 5935 found = 1; 5936 break; 5937 } 5938 } 5939 if (!found) { 5940 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5941 error = EINVAL; 5942 goto out_of_it; 5943 } 5944 } else { 5945 switch (addr->sa_family) { 5946 #ifdef INET 5947 case AF_INET: 5948 { 5949 struct sockaddr_in *sin; 5950 5951 sin = (struct sockaddr_in *)addr; 5952 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5953 &sin->sin_addr) != 0) { 5954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5955 error = EINVAL; 5956 goto out_of_it; 5957 } 5958 break; 5959 } 5960 #endif 5961 #ifdef INET6 5962 case AF_INET6: 5963 { 5964 struct sockaddr_in6 *sin6; 5965 5966 sin6 = (struct sockaddr_in6 *)addr; 5967 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5968 &sin6->sin6_addr) != 0) { 5969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5970 error = EINVAL; 5971 goto out_of_it; 5972 } 5973 break; 5974 } 5975 #endif 5976 default: 5977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5978 error = EINVAL; 5979 goto out_of_it; 5980 } 5981 } 5982 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5984 error = EINVAL; 5985 } 5986 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5987 out_of_it: 5988 SCTP_TCB_UNLOCK(stcb); 5989 } else { 5990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5991 error = EINVAL; 5992 } 5993 break; 5994 } 5995 case SCTP_BINDX_ADD_ADDR: 5996 { 5997 struct sockaddr *sa; 5998 struct thread *td; 5999 6000 td = (struct thread *)p; 6001 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 6002 #ifdef INET 6003 if (sa->sa_family == AF_INET) { 6004 if (optsize < sizeof(struct sockaddr_in)) { 6005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6006 error = EINVAL; 6007 break; 6008 } 6009 if (td != NULL && 6010 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6011 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6012 break; 6013 } 6014 } else 6015 #endif 6016 #ifdef INET6 6017 if (sa->sa_family == AF_INET6) { 6018 if (optsize < sizeof(struct sockaddr_in6)) { 6019 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6020 error = EINVAL; 6021 break; 6022 } 6023 if (td != NULL && 6024 (error = prison_local_ip6(td->td_ucred, 6025 &(((struct sockaddr_in6 *)sa)->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, sa, vrf_id, &error, p); 6037 break; 6038 } 6039 case SCTP_BINDX_REM_ADDR: 6040 { 6041 struct sockaddr *sa; 6042 struct thread *td; 6043 6044 td = (struct thread *)p; 6045 6046 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 6047 #ifdef INET 6048 if (sa->sa_family == AF_INET) { 6049 if (optsize < sizeof(struct sockaddr_in)) { 6050 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6051 error = EINVAL; 6052 break; 6053 } 6054 if (td != NULL && 6055 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6056 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6057 break; 6058 } 6059 } else 6060 #endif 6061 #ifdef INET6 6062 if (sa->sa_family == AF_INET6) { 6063 if (optsize < sizeof(struct sockaddr_in6)) { 6064 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6065 error = EINVAL; 6066 break; 6067 } 6068 if (td != NULL && 6069 (error = prison_local_ip6(td->td_ucred, 6070 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6071 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6072 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6073 break; 6074 } 6075 } else 6076 #endif 6077 { 6078 error = EAFNOSUPPORT; 6079 break; 6080 } 6081 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6082 break; 6083 } 6084 case SCTP_EVENT: 6085 { 6086 struct sctp_event *event; 6087 uint32_t event_type; 6088 6089 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6090 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6091 switch (event->se_type) { 6092 case SCTP_ASSOC_CHANGE: 6093 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6094 break; 6095 case SCTP_PEER_ADDR_CHANGE: 6096 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6097 break; 6098 case SCTP_REMOTE_ERROR: 6099 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6100 break; 6101 case SCTP_SEND_FAILED: 6102 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6103 break; 6104 case SCTP_SHUTDOWN_EVENT: 6105 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6106 break; 6107 case SCTP_ADAPTATION_INDICATION: 6108 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6109 break; 6110 case SCTP_PARTIAL_DELIVERY_EVENT: 6111 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6112 break; 6113 case SCTP_AUTHENTICATION_EVENT: 6114 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6115 break; 6116 case SCTP_STREAM_RESET_EVENT: 6117 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6118 break; 6119 case SCTP_SENDER_DRY_EVENT: 6120 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6121 break; 6122 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6123 event_type = 0; 6124 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6125 error = ENOTSUP; 6126 break; 6127 case SCTP_ASSOC_RESET_EVENT: 6128 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6129 break; 6130 case SCTP_STREAM_CHANGE_EVENT: 6131 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6132 break; 6133 case SCTP_SEND_FAILED_EVENT: 6134 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6135 break; 6136 default: 6137 event_type = 0; 6138 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6139 error = EINVAL; 6140 break; 6141 } 6142 if (event_type > 0) { 6143 if (stcb) { 6144 if (event->se_on) { 6145 sctp_stcb_feature_on(inp, stcb, event_type); 6146 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6147 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6148 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6149 (stcb->asoc.stream_queue_cnt == 0)) { 6150 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6151 } 6152 } 6153 } else { 6154 sctp_stcb_feature_off(inp, stcb, event_type); 6155 } 6156 SCTP_TCB_UNLOCK(stcb); 6157 } else { 6158 /* 6159 * We don't want to send up a storm 6160 * of events, so return an error for 6161 * sender dry events 6162 */ 6163 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6164 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6165 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6166 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6167 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6168 error = ENOTSUP; 6169 break; 6170 } 6171 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6172 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6173 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6174 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6175 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6176 SCTP_INP_WLOCK(inp); 6177 if (event->se_on) { 6178 sctp_feature_on(inp, event_type); 6179 } else { 6180 sctp_feature_off(inp, event_type); 6181 } 6182 SCTP_INP_WUNLOCK(inp); 6183 } 6184 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6185 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6186 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6187 SCTP_INP_RLOCK(inp); 6188 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6189 SCTP_TCB_LOCK(stcb); 6190 if (event->se_on) { 6191 sctp_stcb_feature_on(inp, stcb, event_type); 6192 } else { 6193 sctp_stcb_feature_off(inp, stcb, event_type); 6194 } 6195 SCTP_TCB_UNLOCK(stcb); 6196 } 6197 SCTP_INP_RUNLOCK(inp); 6198 } 6199 } 6200 } else { 6201 if (stcb) { 6202 SCTP_TCB_UNLOCK(stcb); 6203 } 6204 } 6205 break; 6206 } 6207 case SCTP_RECVRCVINFO: 6208 { 6209 int *onoff; 6210 6211 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6212 SCTP_INP_WLOCK(inp); 6213 if (*onoff != 0) { 6214 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6215 } else { 6216 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6217 } 6218 SCTP_INP_WUNLOCK(inp); 6219 break; 6220 } 6221 case SCTP_RECVNXTINFO: 6222 { 6223 int *onoff; 6224 6225 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6226 SCTP_INP_WLOCK(inp); 6227 if (*onoff != 0) { 6228 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6229 } else { 6230 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6231 } 6232 SCTP_INP_WUNLOCK(inp); 6233 break; 6234 } 6235 case SCTP_DEFAULT_SNDINFO: 6236 { 6237 struct sctp_sndinfo *info; 6238 uint16_t policy; 6239 6240 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6241 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6242 6243 if (stcb) { 6244 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6245 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6246 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6247 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6248 stcb->asoc.def_send.sinfo_flags |= policy; 6249 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6250 stcb->asoc.def_send.sinfo_context = info->snd_context; 6251 } else { 6252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6253 error = EINVAL; 6254 } 6255 SCTP_TCB_UNLOCK(stcb); 6256 } else { 6257 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6258 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6259 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6260 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6261 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6262 SCTP_INP_WLOCK(inp); 6263 inp->def_send.sinfo_stream = info->snd_sid; 6264 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6265 inp->def_send.sinfo_flags = info->snd_flags; 6266 inp->def_send.sinfo_flags |= policy; 6267 inp->def_send.sinfo_ppid = info->snd_ppid; 6268 inp->def_send.sinfo_context = info->snd_context; 6269 SCTP_INP_WUNLOCK(inp); 6270 } 6271 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6272 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6273 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6274 SCTP_INP_RLOCK(inp); 6275 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6276 SCTP_TCB_LOCK(stcb); 6277 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6278 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6279 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6280 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6281 stcb->asoc.def_send.sinfo_flags |= policy; 6282 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6283 stcb->asoc.def_send.sinfo_context = info->snd_context; 6284 } 6285 SCTP_TCB_UNLOCK(stcb); 6286 } 6287 SCTP_INP_RUNLOCK(inp); 6288 } 6289 } 6290 break; 6291 } 6292 case SCTP_DEFAULT_PRINFO: 6293 { 6294 struct sctp_default_prinfo *info; 6295 6296 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6297 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6298 6299 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6300 if (stcb) { 6301 SCTP_TCB_UNLOCK(stcb); 6302 } 6303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6304 error = EINVAL; 6305 break; 6306 } 6307 if (stcb) { 6308 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6309 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6310 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6311 SCTP_TCB_UNLOCK(stcb); 6312 } else { 6313 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6314 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6315 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6316 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6317 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6318 SCTP_INP_WLOCK(inp); 6319 inp->def_send.sinfo_flags &= 0xfff0; 6320 inp->def_send.sinfo_flags |= info->pr_policy; 6321 inp->def_send.sinfo_timetolive = info->pr_value; 6322 SCTP_INP_WUNLOCK(inp); 6323 } 6324 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6325 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6326 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6327 SCTP_INP_RLOCK(inp); 6328 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6329 SCTP_TCB_LOCK(stcb); 6330 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6331 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6332 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6333 SCTP_TCB_UNLOCK(stcb); 6334 } 6335 SCTP_INP_RUNLOCK(inp); 6336 } 6337 } 6338 break; 6339 } 6340 case SCTP_PEER_ADDR_THLDS: 6341 /* Applies to the specific association */ 6342 { 6343 struct sctp_paddrthlds *thlds; 6344 struct sctp_nets *net; 6345 struct sockaddr *addr; 6346 #if defined(INET) && defined(INET6) 6347 struct sockaddr_in sin_store; 6348 #endif 6349 6350 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6351 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6352 6353 #if defined(INET) && defined(INET6) 6354 if (thlds->spt_address.ss_family == AF_INET6) { 6355 struct sockaddr_in6 *sin6; 6356 6357 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6358 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6359 in6_sin6_2_sin(&sin_store, sin6); 6360 addr = (struct sockaddr *)&sin_store; 6361 } else { 6362 addr = (struct sockaddr *)&thlds->spt_address; 6363 } 6364 } else { 6365 addr = (struct sockaddr *)&thlds->spt_address; 6366 } 6367 #else 6368 addr = (struct sockaddr *)&thlds->spt_address; 6369 #endif 6370 if (stcb != NULL) { 6371 net = sctp_findnet(stcb, addr); 6372 } else { 6373 /* 6374 * We increment here since 6375 * sctp_findassociation_ep_addr() wil do a 6376 * decrement if it finds the stcb as long as 6377 * the locked tcb (last argument) is NOT a 6378 * TCB.. aka NULL. 6379 */ 6380 net = NULL; 6381 SCTP_INP_INCR_REF(inp); 6382 stcb = sctp_findassociation_ep_addr(&inp, addr, 6383 &net, NULL, NULL); 6384 if (stcb == NULL) { 6385 SCTP_INP_DECR_REF(inp); 6386 } 6387 } 6388 if ((stcb != NULL) && (net == NULL)) { 6389 #ifdef INET 6390 if (addr->sa_family == AF_INET) { 6391 6392 struct sockaddr_in *sin; 6393 6394 sin = (struct sockaddr_in *)addr; 6395 if (sin->sin_addr.s_addr != INADDR_ANY) { 6396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6397 SCTP_TCB_UNLOCK(stcb); 6398 error = EINVAL; 6399 break; 6400 } 6401 } else 6402 #endif 6403 #ifdef INET6 6404 if (addr->sa_family == AF_INET6) { 6405 struct sockaddr_in6 *sin6; 6406 6407 sin6 = (struct sockaddr_in6 *)addr; 6408 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6410 SCTP_TCB_UNLOCK(stcb); 6411 error = EINVAL; 6412 break; 6413 } 6414 } else 6415 #endif 6416 { 6417 error = EAFNOSUPPORT; 6418 SCTP_TCB_UNLOCK(stcb); 6419 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6420 break; 6421 } 6422 } 6423 if (thlds->spt_pathcpthld != 0xffff) { 6424 if (stcb != NULL) { 6425 SCTP_TCB_UNLOCK(stcb); 6426 } 6427 error = EINVAL; 6428 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6429 break; 6430 } 6431 if (stcb != NULL) { 6432 if (net != NULL) { 6433 net->failure_threshold = thlds->spt_pathmaxrxt; 6434 net->pf_threshold = thlds->spt_pathpfthld; 6435 if (net->dest_state & SCTP_ADDR_PF) { 6436 if ((net->error_count > net->failure_threshold) || 6437 (net->error_count <= net->pf_threshold)) { 6438 net->dest_state &= ~SCTP_ADDR_PF; 6439 } 6440 } else { 6441 if ((net->error_count > net->pf_threshold) && 6442 (net->error_count <= net->failure_threshold)) { 6443 net->dest_state |= SCTP_ADDR_PF; 6444 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6445 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6446 stcb->sctp_ep, stcb, net, 6447 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6448 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6449 } 6450 } 6451 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6452 if (net->error_count > net->failure_threshold) { 6453 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6454 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6455 } 6456 } else { 6457 if (net->error_count <= net->failure_threshold) { 6458 net->dest_state |= SCTP_ADDR_REACHABLE; 6459 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6460 } 6461 } 6462 } else { 6463 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6464 net->failure_threshold = thlds->spt_pathmaxrxt; 6465 net->pf_threshold = thlds->spt_pathpfthld; 6466 if (net->dest_state & SCTP_ADDR_PF) { 6467 if ((net->error_count > net->failure_threshold) || 6468 (net->error_count <= net->pf_threshold)) { 6469 net->dest_state &= ~SCTP_ADDR_PF; 6470 } 6471 } else { 6472 if ((net->error_count > net->pf_threshold) && 6473 (net->error_count <= net->failure_threshold)) { 6474 net->dest_state |= SCTP_ADDR_PF; 6475 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6476 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6477 stcb->sctp_ep, stcb, net, 6478 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6479 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6480 } 6481 } 6482 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6483 if (net->error_count > net->failure_threshold) { 6484 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6485 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6486 } 6487 } else { 6488 if (net->error_count <= net->failure_threshold) { 6489 net->dest_state |= SCTP_ADDR_REACHABLE; 6490 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6491 } 6492 } 6493 } 6494 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6495 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6496 } 6497 SCTP_TCB_UNLOCK(stcb); 6498 } else { 6499 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6500 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6501 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6502 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6503 SCTP_INP_WLOCK(inp); 6504 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6505 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6506 SCTP_INP_WUNLOCK(inp); 6507 } else { 6508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6509 error = EINVAL; 6510 } 6511 } 6512 break; 6513 } 6514 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6515 { 6516 struct sctp_udpencaps *encaps; 6517 struct sctp_nets *net; 6518 struct sockaddr *addr; 6519 #if defined(INET) && defined(INET6) 6520 struct sockaddr_in sin_store; 6521 #endif 6522 6523 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6524 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6525 6526 #if defined(INET) && defined(INET6) 6527 if (encaps->sue_address.ss_family == AF_INET6) { 6528 struct sockaddr_in6 *sin6; 6529 6530 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6531 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6532 in6_sin6_2_sin(&sin_store, sin6); 6533 addr = (struct sockaddr *)&sin_store; 6534 } else { 6535 addr = (struct sockaddr *)&encaps->sue_address; 6536 } 6537 } else { 6538 addr = (struct sockaddr *)&encaps->sue_address; 6539 } 6540 #else 6541 addr = (struct sockaddr *)&encaps->sue_address; 6542 #endif 6543 if (stcb != NULL) { 6544 net = sctp_findnet(stcb, addr); 6545 } else { 6546 /* 6547 * We increment here since 6548 * sctp_findassociation_ep_addr() wil do a 6549 * decrement if it finds the stcb as long as 6550 * the locked tcb (last argument) is NOT a 6551 * TCB.. aka NULL. 6552 */ 6553 net = NULL; 6554 SCTP_INP_INCR_REF(inp); 6555 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6556 if (stcb == NULL) { 6557 SCTP_INP_DECR_REF(inp); 6558 } 6559 } 6560 if ((stcb != NULL) && (net == NULL)) { 6561 #ifdef INET 6562 if (addr->sa_family == AF_INET) { 6563 6564 struct sockaddr_in *sin; 6565 6566 sin = (struct sockaddr_in *)addr; 6567 if (sin->sin_addr.s_addr != INADDR_ANY) { 6568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6569 SCTP_TCB_UNLOCK(stcb); 6570 error = EINVAL; 6571 break; 6572 } 6573 } else 6574 #endif 6575 #ifdef INET6 6576 if (addr->sa_family == AF_INET6) { 6577 struct sockaddr_in6 *sin6; 6578 6579 sin6 = (struct sockaddr_in6 *)addr; 6580 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6582 SCTP_TCB_UNLOCK(stcb); 6583 error = EINVAL; 6584 break; 6585 } 6586 } else 6587 #endif 6588 { 6589 error = EAFNOSUPPORT; 6590 SCTP_TCB_UNLOCK(stcb); 6591 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6592 break; 6593 } 6594 } 6595 6596 if (stcb != NULL) { 6597 if (net != NULL) { 6598 net->port = encaps->sue_port; 6599 } else { 6600 stcb->asoc.port = encaps->sue_port; 6601 } 6602 SCTP_TCB_UNLOCK(stcb); 6603 } else { 6604 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6605 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6606 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6607 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6608 SCTP_INP_WLOCK(inp); 6609 inp->sctp_ep.port = encaps->sue_port; 6610 SCTP_INP_WUNLOCK(inp); 6611 } else { 6612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6613 error = EINVAL; 6614 } 6615 } 6616 break; 6617 } 6618 case SCTP_ECN_SUPPORTED: 6619 { 6620 struct sctp_assoc_value *av; 6621 6622 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6623 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6624 6625 if (stcb) { 6626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6627 error = EINVAL; 6628 SCTP_TCB_UNLOCK(stcb); 6629 } else { 6630 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6631 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6632 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6633 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6634 SCTP_INP_WLOCK(inp); 6635 if (av->assoc_value == 0) { 6636 inp->ecn_supported = 0; 6637 } else { 6638 inp->ecn_supported = 1; 6639 } 6640 SCTP_INP_WUNLOCK(inp); 6641 } else { 6642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6643 error = EINVAL; 6644 } 6645 } 6646 break; 6647 } 6648 case SCTP_PR_SUPPORTED: 6649 { 6650 struct sctp_assoc_value *av; 6651 6652 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6653 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6654 6655 if (stcb) { 6656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6657 error = EINVAL; 6658 SCTP_TCB_UNLOCK(stcb); 6659 } else { 6660 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6661 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6662 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6663 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6664 SCTP_INP_WLOCK(inp); 6665 if (av->assoc_value == 0) { 6666 inp->prsctp_supported = 0; 6667 } else { 6668 inp->prsctp_supported = 1; 6669 } 6670 SCTP_INP_WUNLOCK(inp); 6671 } else { 6672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6673 error = EINVAL; 6674 } 6675 } 6676 break; 6677 } 6678 case SCTP_AUTH_SUPPORTED: 6679 { 6680 struct sctp_assoc_value *av; 6681 6682 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6683 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6684 6685 if (stcb) { 6686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6687 error = EINVAL; 6688 SCTP_TCB_UNLOCK(stcb); 6689 } else { 6690 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6691 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6692 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6693 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6694 if ((av->assoc_value == 0) && 6695 (inp->asconf_supported == 1)) { 6696 /* 6697 * AUTH is required for 6698 * ASCONF 6699 */ 6700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6701 error = EINVAL; 6702 } else { 6703 SCTP_INP_WLOCK(inp); 6704 if (av->assoc_value == 0) { 6705 inp->auth_supported = 0; 6706 } else { 6707 inp->auth_supported = 1; 6708 } 6709 SCTP_INP_WUNLOCK(inp); 6710 } 6711 } else { 6712 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6713 error = EINVAL; 6714 } 6715 } 6716 break; 6717 } 6718 case SCTP_ASCONF_SUPPORTED: 6719 { 6720 struct sctp_assoc_value *av; 6721 6722 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6723 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6724 6725 if (stcb) { 6726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6727 error = EINVAL; 6728 SCTP_TCB_UNLOCK(stcb); 6729 } else { 6730 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6731 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6732 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6733 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6734 if ((av->assoc_value != 0) && 6735 (inp->auth_supported == 0)) { 6736 /* 6737 * AUTH is required for 6738 * ASCONF 6739 */ 6740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6741 error = EINVAL; 6742 } else { 6743 SCTP_INP_WLOCK(inp); 6744 if (av->assoc_value == 0) { 6745 inp->asconf_supported = 0; 6746 sctp_auth_delete_chunk(SCTP_ASCONF, 6747 inp->sctp_ep.local_auth_chunks); 6748 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6749 inp->sctp_ep.local_auth_chunks); 6750 } else { 6751 inp->asconf_supported = 1; 6752 sctp_auth_add_chunk(SCTP_ASCONF, 6753 inp->sctp_ep.local_auth_chunks); 6754 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6755 inp->sctp_ep.local_auth_chunks); 6756 } 6757 SCTP_INP_WUNLOCK(inp); 6758 } 6759 } else { 6760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6761 error = EINVAL; 6762 } 6763 } 6764 break; 6765 } 6766 case SCTP_RECONFIG_SUPPORTED: 6767 { 6768 struct sctp_assoc_value *av; 6769 6770 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6771 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6772 6773 if (stcb) { 6774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6775 error = EINVAL; 6776 SCTP_TCB_UNLOCK(stcb); 6777 } else { 6778 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6779 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6780 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6781 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6782 SCTP_INP_WLOCK(inp); 6783 if (av->assoc_value == 0) { 6784 inp->reconfig_supported = 0; 6785 } else { 6786 inp->reconfig_supported = 1; 6787 } 6788 SCTP_INP_WUNLOCK(inp); 6789 } else { 6790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6791 error = EINVAL; 6792 } 6793 } 6794 break; 6795 } 6796 case SCTP_NRSACK_SUPPORTED: 6797 { 6798 struct sctp_assoc_value *av; 6799 6800 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6801 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6802 6803 if (stcb) { 6804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6805 error = EINVAL; 6806 SCTP_TCB_UNLOCK(stcb); 6807 } else { 6808 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6809 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6810 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6811 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6812 SCTP_INP_WLOCK(inp); 6813 if (av->assoc_value == 0) { 6814 inp->nrsack_supported = 0; 6815 } else { 6816 inp->nrsack_supported = 1; 6817 } 6818 SCTP_INP_WUNLOCK(inp); 6819 } else { 6820 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6821 error = EINVAL; 6822 } 6823 } 6824 break; 6825 } 6826 case SCTP_PKTDROP_SUPPORTED: 6827 { 6828 struct sctp_assoc_value *av; 6829 6830 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6831 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6832 6833 if (stcb) { 6834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6835 error = EINVAL; 6836 SCTP_TCB_UNLOCK(stcb); 6837 } else { 6838 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6839 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6840 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6841 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6842 SCTP_INP_WLOCK(inp); 6843 if (av->assoc_value == 0) { 6844 inp->pktdrop_supported = 0; 6845 } else { 6846 inp->pktdrop_supported = 1; 6847 } 6848 SCTP_INP_WUNLOCK(inp); 6849 } else { 6850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6851 error = EINVAL; 6852 } 6853 } 6854 break; 6855 } 6856 case SCTP_MAX_CWND: 6857 { 6858 struct sctp_assoc_value *av; 6859 struct sctp_nets *net; 6860 6861 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6862 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6863 6864 if (stcb) { 6865 stcb->asoc.max_cwnd = av->assoc_value; 6866 if (stcb->asoc.max_cwnd > 0) { 6867 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6868 if ((net->cwnd > stcb->asoc.max_cwnd) && 6869 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6870 net->cwnd = stcb->asoc.max_cwnd; 6871 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6872 net->cwnd = net->mtu - sizeof(struct sctphdr); 6873 } 6874 } 6875 } 6876 } 6877 SCTP_TCB_UNLOCK(stcb); 6878 } else { 6879 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6880 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6881 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6882 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6883 SCTP_INP_WLOCK(inp); 6884 inp->max_cwnd = av->assoc_value; 6885 SCTP_INP_WUNLOCK(inp); 6886 } else { 6887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6888 error = EINVAL; 6889 } 6890 } 6891 break; 6892 } 6893 default: 6894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6895 error = ENOPROTOOPT; 6896 break; 6897 } /* end switch (opt) */ 6898 return (error); 6899 } 6900 6901 int 6902 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6903 { 6904 struct epoch_tracker et; 6905 struct sctp_inpcb *inp; 6906 void *optval = NULL; 6907 void *p; 6908 size_t optsize = 0; 6909 int error = 0; 6910 6911 if ((sopt->sopt_level == SOL_SOCKET) && 6912 (sopt->sopt_name == SO_SETFIB)) { 6913 inp = (struct sctp_inpcb *)so->so_pcb; 6914 if (inp == NULL) { 6915 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6916 return (EINVAL); 6917 } 6918 SCTP_INP_WLOCK(inp); 6919 inp->fibnum = so->so_fibnum; 6920 SCTP_INP_WUNLOCK(inp); 6921 return (0); 6922 } 6923 if (sopt->sopt_level != IPPROTO_SCTP) { 6924 /* wrong proto level... send back up to IP */ 6925 #ifdef INET6 6926 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6927 error = ip6_ctloutput(so, sopt); 6928 #endif /* INET6 */ 6929 #if defined(INET) && defined(INET6) 6930 else 6931 #endif 6932 #ifdef INET 6933 error = ip_ctloutput(so, sopt); 6934 #endif 6935 return (error); 6936 } 6937 optsize = sopt->sopt_valsize; 6938 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6939 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6940 return (ENOBUFS); 6941 } 6942 if (optsize) { 6943 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6944 if (optval == NULL) { 6945 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6946 return (ENOBUFS); 6947 } 6948 error = sooptcopyin(sopt, optval, optsize, optsize); 6949 if (error) { 6950 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6951 goto out; 6952 } 6953 } 6954 p = (void *)sopt->sopt_td; 6955 if (sopt->sopt_dir == SOPT_SET) { 6956 NET_EPOCH_ENTER(et); 6957 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6958 NET_EPOCH_EXIT(et); 6959 } else if (sopt->sopt_dir == SOPT_GET) { 6960 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6961 } else { 6962 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6963 error = EINVAL; 6964 } 6965 if ((error == 0) && (optval != NULL)) { 6966 error = sooptcopyout(sopt, optval, optsize); 6967 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6968 } else if (optval != NULL) { 6969 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6970 } 6971 out: 6972 return (error); 6973 } 6974 6975 #ifdef INET 6976 static int 6977 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6978 { 6979 struct epoch_tracker et; 6980 int error = 0; 6981 int create_lock_on = 0; 6982 uint32_t vrf_id; 6983 struct sctp_inpcb *inp; 6984 struct sctp_tcb *stcb = NULL; 6985 6986 inp = (struct sctp_inpcb *)so->so_pcb; 6987 if (inp == NULL) { 6988 /* I made the same as TCP since we are not setup? */ 6989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6990 return (ECONNRESET); 6991 } 6992 if (addr == NULL) { 6993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6994 return EINVAL; 6995 } 6996 6997 switch (addr->sa_family) { 6998 #ifdef INET6 6999 case AF_INET6: 7000 { 7001 struct sockaddr_in6 *sin6; 7002 7003 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 7004 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7005 return (EINVAL); 7006 } 7007 sin6 = (struct sockaddr_in6 *)addr; 7008 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 7009 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7010 return (error); 7011 } 7012 break; 7013 } 7014 #endif 7015 #ifdef INET 7016 case AF_INET: 7017 { 7018 struct sockaddr_in *sin; 7019 7020 if (addr->sa_len != sizeof(struct sockaddr_in)) { 7021 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7022 return (EINVAL); 7023 } 7024 sin = (struct sockaddr_in *)addr; 7025 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 7026 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7027 return (error); 7028 } 7029 break; 7030 } 7031 #endif 7032 default: 7033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 7034 return (EAFNOSUPPORT); 7035 } 7036 SCTP_INP_INCR_REF(inp); 7037 SCTP_ASOC_CREATE_LOCK(inp); 7038 create_lock_on = 1; 7039 NET_EPOCH_ENTER(et); 7040 7041 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 7042 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 7043 /* Should I really unlock ? */ 7044 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 7045 error = EFAULT; 7046 goto out_now; 7047 } 7048 #ifdef INET6 7049 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 7050 (addr->sa_family == AF_INET6)) { 7051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7052 error = EINVAL; 7053 goto out_now; 7054 } 7055 #endif 7056 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 7057 SCTP_PCB_FLAGS_UNBOUND) { 7058 /* Bind a ephemeral port */ 7059 error = sctp_inpcb_bind(so, NULL, NULL, p); 7060 if (error) { 7061 goto out_now; 7062 } 7063 } 7064 /* Now do we connect? */ 7065 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7066 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7068 error = EINVAL; 7069 goto out_now; 7070 } 7071 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7072 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7073 /* We are already connected AND the TCP model */ 7074 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7075 error = EADDRINUSE; 7076 goto out_now; 7077 } 7078 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7079 SCTP_INP_RLOCK(inp); 7080 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7081 SCTP_INP_RUNLOCK(inp); 7082 } else { 7083 /* 7084 * We increment here since sctp_findassociation_ep_addr() 7085 * will do a decrement if it finds the stcb as long as the 7086 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7087 */ 7088 SCTP_INP_INCR_REF(inp); 7089 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7090 if (stcb == NULL) { 7091 SCTP_INP_DECR_REF(inp); 7092 } else { 7093 SCTP_TCB_UNLOCK(stcb); 7094 } 7095 } 7096 if (stcb != NULL) { 7097 /* Already have or am bring up an association */ 7098 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7099 error = EALREADY; 7100 goto out_now; 7101 } 7102 7103 vrf_id = inp->def_vrf_id; 7104 /* We are GOOD to go */ 7105 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7106 inp->sctp_ep.pre_open_stream_count, 7107 inp->sctp_ep.port, p, 7108 SCTP_INITIALIZE_AUTH_PARAMS); 7109 if (stcb == NULL) { 7110 /* Gak! no memory */ 7111 goto out_now; 7112 } 7113 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7114 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7115 /* Set the connected flag so we can queue data */ 7116 soisconnecting(so); 7117 } 7118 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7119 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7120 7121 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7122 SCTP_TCB_UNLOCK(stcb); 7123 out_now: 7124 NET_EPOCH_EXIT(et); 7125 if (create_lock_on) { 7126 SCTP_ASOC_CREATE_UNLOCK(inp); 7127 } 7128 SCTP_INP_DECR_REF(inp); 7129 return (error); 7130 } 7131 #endif 7132 7133 int 7134 sctp_listen(struct socket *so, int backlog, struct thread *p) 7135 { 7136 /* 7137 * Note this module depends on the protocol processing being called 7138 * AFTER any socket level flags and backlog are applied to the 7139 * socket. The traditional way that the socket flags are applied is 7140 * AFTER protocol processing. We have made a change to the 7141 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7142 * place if the socket API for SCTP is to work properly. 7143 */ 7144 7145 int error = 0; 7146 struct sctp_inpcb *inp; 7147 7148 inp = (struct sctp_inpcb *)so->so_pcb; 7149 if (inp == NULL) { 7150 /* I made the same as TCP since we are not setup? */ 7151 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7152 return (ECONNRESET); 7153 } 7154 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7155 /* See if we have a listener */ 7156 struct sctp_inpcb *tinp; 7157 union sctp_sockstore store; 7158 7159 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7160 /* not bound all */ 7161 struct sctp_laddr *laddr; 7162 7163 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7164 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7165 switch (store.sa.sa_family) { 7166 #ifdef INET 7167 case AF_INET: 7168 store.sin.sin_port = inp->sctp_lport; 7169 break; 7170 #endif 7171 #ifdef INET6 7172 case AF_INET6: 7173 store.sin6.sin6_port = inp->sctp_lport; 7174 break; 7175 #endif 7176 default: 7177 break; 7178 } 7179 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7180 if (tinp && (tinp != inp) && 7181 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7182 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7183 (SCTP_IS_LISTENING(tinp))) { 7184 /* 7185 * we have a listener already and 7186 * its not this inp. 7187 */ 7188 SCTP_INP_DECR_REF(tinp); 7189 return (EADDRINUSE); 7190 } else if (tinp) { 7191 SCTP_INP_DECR_REF(tinp); 7192 } 7193 } 7194 } else { 7195 /* Setup a local addr bound all */ 7196 memset(&store, 0, sizeof(store)); 7197 #ifdef INET6 7198 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7199 store.sa.sa_family = AF_INET6; 7200 store.sa.sa_len = sizeof(struct sockaddr_in6); 7201 } 7202 #endif 7203 #ifdef INET 7204 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7205 store.sa.sa_family = AF_INET; 7206 store.sa.sa_len = sizeof(struct sockaddr_in); 7207 } 7208 #endif 7209 switch (store.sa.sa_family) { 7210 #ifdef INET 7211 case AF_INET: 7212 store.sin.sin_port = inp->sctp_lport; 7213 break; 7214 #endif 7215 #ifdef INET6 7216 case AF_INET6: 7217 store.sin6.sin6_port = inp->sctp_lport; 7218 break; 7219 #endif 7220 default: 7221 break; 7222 } 7223 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7224 if (tinp && (tinp != inp) && 7225 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7226 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7227 (SCTP_IS_LISTENING(tinp))) { 7228 /* 7229 * we have a listener already and its not 7230 * this inp. 7231 */ 7232 SCTP_INP_DECR_REF(tinp); 7233 return (EADDRINUSE); 7234 } else if (tinp) { 7235 SCTP_INP_DECR_REF(tinp); 7236 } 7237 } 7238 } 7239 SCTP_INP_RLOCK(inp); 7240 #ifdef SCTP_LOCK_LOGGING 7241 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7242 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7243 } 7244 #endif 7245 SOCK_LOCK(so); 7246 error = solisten_proto_check(so); 7247 SOCK_UNLOCK(so); 7248 if (error) { 7249 SCTP_INP_RUNLOCK(inp); 7250 return (error); 7251 } 7252 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7253 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7254 /* 7255 * The unlucky case - We are in the tcp pool with this guy. 7256 * - Someone else is in the main inp slot. - We must move 7257 * this guy (the listener) to the main slot - We must then 7258 * move the guy that was listener to the TCP Pool. 7259 */ 7260 if (sctp_swap_inpcb_for_listen(inp)) { 7261 SCTP_INP_RUNLOCK(inp); 7262 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7263 return (EADDRINUSE); 7264 } 7265 } 7266 7267 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7268 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7269 /* We are already connected AND the TCP model */ 7270 SCTP_INP_RUNLOCK(inp); 7271 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7272 return (EADDRINUSE); 7273 } 7274 SCTP_INP_RUNLOCK(inp); 7275 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7276 /* We must do a bind. */ 7277 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7278 /* bind error, probably perm */ 7279 return (error); 7280 } 7281 } 7282 SCTP_INP_WLOCK(inp); 7283 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7284 SOCK_LOCK(so); 7285 solisten_proto(so, backlog); 7286 SOCK_UNLOCK(so); 7287 } 7288 if (backlog > 0) { 7289 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7290 } else { 7291 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7292 } 7293 SCTP_INP_WUNLOCK(inp); 7294 return (error); 7295 } 7296 7297 static int sctp_defered_wakeup_cnt = 0; 7298 7299 int 7300 sctp_accept(struct socket *so, struct sockaddr **addr) 7301 { 7302 struct sctp_tcb *stcb; 7303 struct sctp_inpcb *inp; 7304 union sctp_sockstore store; 7305 #ifdef INET6 7306 int error; 7307 #endif 7308 inp = (struct sctp_inpcb *)so->so_pcb; 7309 7310 if (inp == NULL) { 7311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7312 return (ECONNRESET); 7313 } 7314 SCTP_INP_WLOCK(inp); 7315 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7316 SCTP_INP_WUNLOCK(inp); 7317 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7318 return (EOPNOTSUPP); 7319 } 7320 if (so->so_state & SS_ISDISCONNECTED) { 7321 SCTP_INP_WUNLOCK(inp); 7322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7323 return (ECONNABORTED); 7324 } 7325 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7326 if (stcb == NULL) { 7327 SCTP_INP_WUNLOCK(inp); 7328 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7329 return (ECONNRESET); 7330 } 7331 SCTP_TCB_LOCK(stcb); 7332 store = stcb->asoc.primary_destination->ro._l_addr; 7333 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7334 /* Wake any delayed sleep action */ 7335 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7336 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7337 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7338 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7339 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7340 if (sowriteable(inp->sctp_socket)) { 7341 sowwakeup_locked(inp->sctp_socket); 7342 } else { 7343 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7344 } 7345 } 7346 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7347 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7348 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7349 if (soreadable(inp->sctp_socket)) { 7350 sctp_defered_wakeup_cnt++; 7351 sorwakeup_locked(inp->sctp_socket); 7352 } else { 7353 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7354 } 7355 } 7356 } 7357 SCTP_INP_WUNLOCK(inp); 7358 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7359 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7360 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7361 } else { 7362 SCTP_TCB_UNLOCK(stcb); 7363 } 7364 switch (store.sa.sa_family) { 7365 #ifdef INET 7366 case AF_INET: 7367 { 7368 struct sockaddr_in *sin; 7369 7370 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7371 if (sin == NULL) 7372 return (ENOMEM); 7373 sin->sin_family = AF_INET; 7374 sin->sin_len = sizeof(*sin); 7375 sin->sin_port = store.sin.sin_port; 7376 sin->sin_addr = store.sin.sin_addr; 7377 *addr = (struct sockaddr *)sin; 7378 break; 7379 } 7380 #endif 7381 #ifdef INET6 7382 case AF_INET6: 7383 { 7384 struct sockaddr_in6 *sin6; 7385 7386 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7387 if (sin6 == NULL) 7388 return (ENOMEM); 7389 sin6->sin6_family = AF_INET6; 7390 sin6->sin6_len = sizeof(*sin6); 7391 sin6->sin6_port = store.sin6.sin6_port; 7392 sin6->sin6_addr = store.sin6.sin6_addr; 7393 if ((error = sa6_recoverscope(sin6)) != 0) { 7394 SCTP_FREE_SONAME(sin6); 7395 return (error); 7396 } 7397 *addr = (struct sockaddr *)sin6; 7398 break; 7399 } 7400 #endif 7401 default: 7402 /* TSNH */ 7403 break; 7404 } 7405 return (0); 7406 } 7407 7408 #ifdef INET 7409 int 7410 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7411 { 7412 struct sockaddr_in *sin; 7413 uint32_t vrf_id; 7414 struct sctp_inpcb *inp; 7415 struct sctp_ifa *sctp_ifa; 7416 7417 /* 7418 * Do the malloc first in case it blocks. 7419 */ 7420 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7421 if (sin == NULL) 7422 return (ENOMEM); 7423 sin->sin_family = AF_INET; 7424 sin->sin_len = sizeof(*sin); 7425 inp = (struct sctp_inpcb *)so->so_pcb; 7426 if (!inp) { 7427 SCTP_FREE_SONAME(sin); 7428 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7429 return (ECONNRESET); 7430 } 7431 SCTP_INP_RLOCK(inp); 7432 sin->sin_port = inp->sctp_lport; 7433 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7434 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7435 struct sctp_tcb *stcb; 7436 struct sockaddr_in *sin_a; 7437 struct sctp_nets *net; 7438 int fnd; 7439 7440 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7441 if (stcb == NULL) { 7442 goto notConn; 7443 } 7444 fnd = 0; 7445 sin_a = NULL; 7446 SCTP_TCB_LOCK(stcb); 7447 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7448 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7449 if (sin_a == NULL) 7450 /* this will make coverity happy */ 7451 continue; 7452 7453 if (sin_a->sin_family == AF_INET) { 7454 fnd = 1; 7455 break; 7456 } 7457 } 7458 if ((!fnd) || (sin_a == NULL)) { 7459 /* punt */ 7460 SCTP_TCB_UNLOCK(stcb); 7461 goto notConn; 7462 } 7463 7464 vrf_id = inp->def_vrf_id; 7465 sctp_ifa = sctp_source_address_selection(inp, 7466 stcb, 7467 (sctp_route_t *)&net->ro, 7468 net, 0, vrf_id); 7469 if (sctp_ifa) { 7470 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7471 sctp_free_ifa(sctp_ifa); 7472 } 7473 SCTP_TCB_UNLOCK(stcb); 7474 } else { 7475 /* For the bound all case you get back 0 */ 7476 notConn: 7477 sin->sin_addr.s_addr = 0; 7478 } 7479 7480 } else { 7481 /* Take the first IPv4 address in the list */ 7482 struct sctp_laddr *laddr; 7483 int fnd = 0; 7484 7485 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7486 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7487 struct sockaddr_in *sin_a; 7488 7489 sin_a = &laddr->ifa->address.sin; 7490 sin->sin_addr = sin_a->sin_addr; 7491 fnd = 1; 7492 break; 7493 } 7494 } 7495 if (!fnd) { 7496 SCTP_FREE_SONAME(sin); 7497 SCTP_INP_RUNLOCK(inp); 7498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7499 return (ENOENT); 7500 } 7501 } 7502 SCTP_INP_RUNLOCK(inp); 7503 (*addr) = (struct sockaddr *)sin; 7504 return (0); 7505 } 7506 7507 int 7508 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7509 { 7510 struct sockaddr_in *sin; 7511 int fnd; 7512 struct sockaddr_in *sin_a; 7513 struct sctp_inpcb *inp; 7514 struct sctp_tcb *stcb; 7515 struct sctp_nets *net; 7516 7517 /* Do the malloc first in case it blocks. */ 7518 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7519 if (sin == NULL) 7520 return (ENOMEM); 7521 sin->sin_family = AF_INET; 7522 sin->sin_len = sizeof(*sin); 7523 7524 inp = (struct sctp_inpcb *)so->so_pcb; 7525 if ((inp == NULL) || 7526 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7527 /* UDP type and listeners will drop out here */ 7528 SCTP_FREE_SONAME(sin); 7529 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7530 return (ENOTCONN); 7531 } 7532 SCTP_INP_RLOCK(inp); 7533 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7534 if (stcb) { 7535 SCTP_TCB_LOCK(stcb); 7536 } 7537 SCTP_INP_RUNLOCK(inp); 7538 if (stcb == NULL) { 7539 SCTP_FREE_SONAME(sin); 7540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7541 return (ECONNRESET); 7542 } 7543 fnd = 0; 7544 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7545 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7546 if (sin_a->sin_family == AF_INET) { 7547 fnd = 1; 7548 sin->sin_port = stcb->rport; 7549 sin->sin_addr = sin_a->sin_addr; 7550 break; 7551 } 7552 } 7553 SCTP_TCB_UNLOCK(stcb); 7554 if (!fnd) { 7555 /* No IPv4 address */ 7556 SCTP_FREE_SONAME(sin); 7557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7558 return (ENOENT); 7559 } 7560 (*addr) = (struct sockaddr *)sin; 7561 return (0); 7562 } 7563 7564 struct pr_usrreqs sctp_usrreqs = { 7565 .pru_abort = sctp_abort, 7566 .pru_accept = sctp_accept, 7567 .pru_attach = sctp_attach, 7568 .pru_bind = sctp_bind, 7569 .pru_connect = sctp_connect, 7570 .pru_control = in_control, 7571 .pru_close = sctp_close, 7572 .pru_detach = sctp_close, 7573 .pru_sopoll = sopoll_generic, 7574 .pru_flush = sctp_flush, 7575 .pru_disconnect = sctp_disconnect, 7576 .pru_listen = sctp_listen, 7577 .pru_peeraddr = sctp_peeraddr, 7578 .pru_send = sctp_sendm, 7579 .pru_shutdown = sctp_shutdown, 7580 .pru_sockaddr = sctp_ingetaddr, 7581 .pru_sosend = sctp_sosend, 7582 .pru_soreceive = sctp_soreceive 7583 }; 7584 #endif 7585