1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <netinet/sctp_os.h> 39 #include <sys/proc.h> 40 #include <netinet/sctp_pcb.h> 41 #include <netinet/sctp_header.h> 42 #include <netinet/sctp_var.h> 43 #ifdef INET6 44 #include <netinet6/sctp6_var.h> 45 #endif 46 #include <netinet/sctp_sysctl.h> 47 #include <netinet/sctp_output.h> 48 #include <netinet/sctp_uio.h> 49 #include <netinet/sctp_asconf.h> 50 #include <netinet/sctputil.h> 51 #include <netinet/sctp_indata.h> 52 #include <netinet/sctp_timer.h> 53 #include <netinet/sctp_auth.h> 54 #include <netinet/sctp_bsd_addr.h> 55 #include <netinet/udp.h> 56 #include <sys/eventhandler.h> 57 58 extern const struct sctp_cc_functions sctp_cc_functions[]; 59 extern const struct sctp_ss_functions sctp_ss_functions[]; 60 61 void 62 sctp_init(void) 63 { 64 u_long sb_max_adj; 65 66 /* Initialize and modify the sysctled variables */ 67 sctp_init_sysctls(); 68 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 69 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 70 /* 71 * Allow a user to take no more than 1/2 the number of clusters or 72 * the SB_MAX, whichever is smaller, for the send window. 73 */ 74 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 75 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 76 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 77 /* 78 * Now for the recv window, should we take the same amount? or 79 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 80 * now I will just copy. 81 */ 82 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 83 SCTP_BASE_VAR(first_time) = 0; 84 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 85 sctp_pcb_init(); 86 #if defined(SCTP_PACKET_LOGGING) 87 SCTP_BASE_VAR(packet_log_writers) = 0; 88 SCTP_BASE_VAR(packet_log_end) = 0; 89 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 90 #endif 91 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, 92 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); 93 } 94 95 #ifdef VIMAGE 96 static void 97 sctp_finish(void *unused __unused) 98 { 99 EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag)); 100 sctp_pcb_finish(); 101 } 102 103 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 104 #endif 105 106 void 107 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 108 { 109 struct sctp_tmit_chunk *chk; 110 uint16_t overhead; 111 112 /* Adjust that too */ 113 stcb->asoc.smallest_mtu = nxtsz; 114 /* now off to subtract IP_DF flag if needed */ 115 overhead = IP_HDR_SIZE + sizeof(struct sctphdr); 116 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 117 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 118 } 119 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 120 if ((chk->send_size + overhead) > nxtsz) { 121 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 122 } 123 } 124 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 125 if ((chk->send_size + overhead) > nxtsz) { 126 /* 127 * For this guy we also mark for immediate resend 128 * since we sent to big of chunk 129 */ 130 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 131 if (chk->sent < SCTP_DATAGRAM_RESEND) { 132 sctp_flight_size_decrease(chk); 133 sctp_total_flight_decrease(stcb, chk); 134 chk->sent = SCTP_DATAGRAM_RESEND; 135 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 136 chk->rec.data.doing_fast_retransmit = 0; 137 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 138 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 139 chk->whoTo->flight_size, 140 chk->book_size, 141 (uint32_t)(uintptr_t)chk->whoTo, 142 chk->rec.data.tsn); 143 } 144 /* Clear any time so NO RTT is being done */ 145 if (chk->do_rtt == 1) { 146 chk->do_rtt = 0; 147 chk->whoTo->rto_needed = 1; 148 } 149 } 150 } 151 } 152 } 153 154 #ifdef INET 155 void 156 sctp_notify(struct sctp_inpcb *inp, 157 struct sctp_tcb *stcb, 158 struct sctp_nets *net, 159 uint8_t icmp_type, 160 uint8_t icmp_code, 161 uint16_t ip_len, 162 uint32_t next_mtu) 163 { 164 int timer_stopped; 165 166 if (icmp_type != ICMP_UNREACH) { 167 /* We only care about unreachable */ 168 SCTP_TCB_UNLOCK(stcb); 169 return; 170 } 171 if ((icmp_code == ICMP_UNREACH_NET) || 172 (icmp_code == ICMP_UNREACH_HOST) || 173 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 174 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 175 (icmp_code == ICMP_UNREACH_ISOLATED) || 176 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 177 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 178 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 179 /* Mark the net unreachable. */ 180 if (net->dest_state & SCTP_ADDR_REACHABLE) { 181 /* OK, that destination is NOT reachable. */ 182 net->dest_state &= ~SCTP_ADDR_REACHABLE; 183 net->dest_state &= ~SCTP_ADDR_PF; 184 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 185 stcb, 0, 186 (void *)net, SCTP_SO_NOT_LOCKED); 187 } 188 SCTP_TCB_UNLOCK(stcb); 189 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 190 (icmp_code == ICMP_UNREACH_PORT)) { 191 /* Treat it like an ABORT. */ 192 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 193 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 194 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 195 /* no need to unlock here, since the TCB is gone */ 196 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 197 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 198 SCTP_TCB_UNLOCK(stcb); 199 return; 200 } 201 /* Find the next (smaller) MTU */ 202 if (next_mtu == 0) { 203 /* 204 * Old type router that does not tell us what the 205 * next MTU is. Rats we will have to guess (in a 206 * educated fashion of course). 207 */ 208 next_mtu = sctp_get_prev_mtu(ip_len); 209 } 210 /* Stop the PMTU timer. */ 211 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 212 timer_stopped = 1; 213 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 214 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 215 } else { 216 timer_stopped = 0; 217 } 218 /* Update the path MTU. */ 219 if (net->port) { 220 next_mtu -= sizeof(struct udphdr); 221 } 222 if (net->mtu > next_mtu) { 223 net->mtu = next_mtu; 224 if (net->port) { 225 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 226 } else { 227 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 228 } 229 } 230 /* Update the association MTU */ 231 if (stcb->asoc.smallest_mtu > next_mtu) { 232 sctp_pathmtu_adjustment(stcb, next_mtu); 233 } 234 /* Finally, start the PMTU timer if it was running before. */ 235 if (timer_stopped) { 236 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 237 } 238 SCTP_TCB_UNLOCK(stcb); 239 } else { 240 SCTP_TCB_UNLOCK(stcb); 241 } 242 } 243 244 void 245 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 246 { 247 struct ip *outer_ip; 248 struct ip *inner_ip; 249 struct sctphdr *sh; 250 struct icmp *icmp; 251 struct sctp_inpcb *inp; 252 struct sctp_tcb *stcb; 253 struct sctp_nets *net; 254 struct sctp_init_chunk *ch; 255 struct sockaddr_in src, dst; 256 257 if (sa->sa_family != AF_INET || 258 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 259 return; 260 } 261 if (PRC_IS_REDIRECT(cmd)) { 262 vip = NULL; 263 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 264 return; 265 } 266 if (vip != NULL) { 267 inner_ip = (struct ip *)vip; 268 icmp = (struct icmp *)((caddr_t)inner_ip - 269 (sizeof(struct icmp) - sizeof(struct ip))); 270 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 271 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 272 memset(&src, 0, sizeof(struct sockaddr_in)); 273 src.sin_family = AF_INET; 274 src.sin_len = sizeof(struct sockaddr_in); 275 src.sin_port = sh->src_port; 276 src.sin_addr = inner_ip->ip_src; 277 memset(&dst, 0, sizeof(struct sockaddr_in)); 278 dst.sin_family = AF_INET; 279 dst.sin_len = sizeof(struct sockaddr_in); 280 dst.sin_port = sh->dest_port; 281 dst.sin_addr = inner_ip->ip_dst; 282 /* 283 * 'dst' holds the dest of the packet that failed to be 284 * sent. 'src' holds our local endpoint address. Thus we 285 * reverse the dst and the src in the lookup. 286 */ 287 inp = NULL; 288 net = NULL; 289 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 290 (struct sockaddr *)&src, 291 &inp, &net, 1, 292 SCTP_DEFAULT_VRFID); 293 if ((stcb != NULL) && 294 (net != NULL) && 295 (inp != NULL)) { 296 /* Check the verification tag */ 297 if (ntohl(sh->v_tag) != 0) { 298 /* 299 * This must be the verification tag used 300 * for sending out packets. We don't 301 * consider packets reflecting the 302 * verification tag. 303 */ 304 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 305 SCTP_TCB_UNLOCK(stcb); 306 return; 307 } 308 } else { 309 if (ntohs(outer_ip->ip_len) >= 310 sizeof(struct ip) + 311 8 + (inner_ip->ip_hl << 2) + 20) { 312 /* 313 * In this case we can check if we 314 * got an INIT chunk and if the 315 * initiate tag matches. 316 */ 317 ch = (struct sctp_init_chunk *)(sh + 1); 318 if ((ch->ch.chunk_type != SCTP_INITIATION) || 319 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 320 SCTP_TCB_UNLOCK(stcb); 321 return; 322 } 323 } else { 324 SCTP_TCB_UNLOCK(stcb); 325 return; 326 } 327 } 328 sctp_notify(inp, stcb, net, 329 icmp->icmp_type, 330 icmp->icmp_code, 331 ntohs(inner_ip->ip_len), 332 (uint32_t)ntohs(icmp->icmp_nextmtu)); 333 } else { 334 if ((stcb == NULL) && (inp != NULL)) { 335 /* reduce ref-count */ 336 SCTP_INP_WLOCK(inp); 337 SCTP_INP_DECR_REF(inp); 338 SCTP_INP_WUNLOCK(inp); 339 } 340 if (stcb) { 341 SCTP_TCB_UNLOCK(stcb); 342 } 343 } 344 } 345 return; 346 } 347 #endif 348 349 static int 350 sctp_getcred(SYSCTL_HANDLER_ARGS) 351 { 352 struct xucred xuc; 353 struct sockaddr_in addrs[2]; 354 struct sctp_inpcb *inp; 355 struct sctp_nets *net; 356 struct sctp_tcb *stcb; 357 int error; 358 uint32_t vrf_id; 359 360 /* FIX, for non-bsd is this right? */ 361 vrf_id = SCTP_DEFAULT_VRFID; 362 363 error = priv_check(req->td, PRIV_NETINET_GETCRED); 364 365 if (error) 366 return (error); 367 368 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 369 if (error) 370 return (error); 371 372 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 373 sintosa(&addrs[0]), 374 &inp, &net, 1, vrf_id); 375 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 376 if ((inp != NULL) && (stcb == NULL)) { 377 /* reduce ref-count */ 378 SCTP_INP_WLOCK(inp); 379 SCTP_INP_DECR_REF(inp); 380 goto cred_can_cont; 381 } 382 383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 384 error = ENOENT; 385 goto out; 386 } 387 SCTP_TCB_UNLOCK(stcb); 388 /* 389 * We use the write lock here, only since in the error leg we need 390 * it. If we used RLOCK, then we would have to 391 * wlock/decr/unlock/rlock. Which in theory could create a hole. 392 * Better to use higher wlock. 393 */ 394 SCTP_INP_WLOCK(inp); 395 cred_can_cont: 396 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 397 if (error) { 398 SCTP_INP_WUNLOCK(inp); 399 goto out; 400 } 401 cru2x(inp->sctp_socket->so_cred, &xuc); 402 SCTP_INP_WUNLOCK(inp); 403 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 404 out: 405 return (error); 406 } 407 408 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 409 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 410 0, 0, sctp_getcred, "S,ucred", 411 "Get the ucred of a SCTP connection"); 412 413 #ifdef INET 414 static void 415 sctp_abort(struct socket *so) 416 { 417 struct epoch_tracker et; 418 struct sctp_inpcb *inp; 419 uint32_t flags; 420 421 inp = (struct sctp_inpcb *)so->so_pcb; 422 if (inp == NULL) { 423 return; 424 } 425 426 NET_EPOCH_ENTER(et); 427 sctp_must_try_again: 428 flags = inp->sctp_flags; 429 #ifdef SCTP_LOG_CLOSING 430 sctp_log_closing(inp, NULL, 17); 431 #endif 432 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 433 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 434 #ifdef SCTP_LOG_CLOSING 435 sctp_log_closing(inp, NULL, 16); 436 #endif 437 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 438 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 439 SOCK_LOCK(so); 440 SCTP_SB_CLEAR(so->so_snd); 441 /* 442 * same for the rcv ones, they are only here for the 443 * accounting/select. 444 */ 445 SCTP_SB_CLEAR(so->so_rcv); 446 447 /* Now null out the reference, we are completely detached. */ 448 so->so_pcb = NULL; 449 SOCK_UNLOCK(so); 450 } else { 451 flags = inp->sctp_flags; 452 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 453 goto sctp_must_try_again; 454 } 455 } 456 NET_EPOCH_EXIT(et); 457 return; 458 } 459 460 static int 461 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 462 { 463 struct sctp_inpcb *inp; 464 struct inpcb *ip_inp; 465 int error; 466 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 467 468 inp = (struct sctp_inpcb *)so->so_pcb; 469 if (inp != NULL) { 470 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 471 return (EINVAL); 472 } 473 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 474 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 475 if (error) { 476 return (error); 477 } 478 } 479 error = sctp_inpcb_alloc(so, vrf_id); 480 if (error) { 481 return (error); 482 } 483 inp = (struct sctp_inpcb *)so->so_pcb; 484 SCTP_INP_WLOCK(inp); 485 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 486 ip_inp = &inp->ip_inp.inp; 487 ip_inp->inp_vflag |= INP_IPV4; 488 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 489 SCTP_INP_WUNLOCK(inp); 490 return (0); 491 } 492 493 static int 494 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 495 { 496 struct sctp_inpcb *inp; 497 498 inp = (struct sctp_inpcb *)so->so_pcb; 499 if (inp == NULL) { 500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 501 return (EINVAL); 502 } 503 if (addr != NULL) { 504 if ((addr->sa_family != AF_INET) || 505 (addr->sa_len != sizeof(struct sockaddr_in))) { 506 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 507 return (EINVAL); 508 } 509 } 510 return (sctp_inpcb_bind(so, addr, NULL, p)); 511 } 512 513 #endif 514 void 515 sctp_close(struct socket *so) 516 { 517 struct epoch_tracker et; 518 struct sctp_inpcb *inp; 519 uint32_t flags; 520 521 inp = (struct sctp_inpcb *)so->so_pcb; 522 if (inp == NULL) 523 return; 524 525 /* 526 * Inform all the lower layer assoc that we are done. 527 */ 528 NET_EPOCH_ENTER(et); 529 sctp_must_try_again: 530 flags = inp->sctp_flags; 531 #ifdef SCTP_LOG_CLOSING 532 sctp_log_closing(inp, NULL, 17); 533 #endif 534 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 535 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 536 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 537 (so->so_rcv.sb_cc > 0)) { 538 #ifdef SCTP_LOG_CLOSING 539 sctp_log_closing(inp, NULL, 13); 540 #endif 541 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 542 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 543 } else { 544 #ifdef SCTP_LOG_CLOSING 545 sctp_log_closing(inp, NULL, 14); 546 #endif 547 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 548 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 549 } 550 /* 551 * The socket is now detached, no matter what the state of 552 * the SCTP association. 553 */ 554 SOCK_LOCK(so); 555 SCTP_SB_CLEAR(so->so_snd); 556 /* 557 * same for the rcv ones, they are only here for the 558 * accounting/select. 559 */ 560 SCTP_SB_CLEAR(so->so_rcv); 561 562 /* Now null out the reference, we are completely detached. */ 563 so->so_pcb = NULL; 564 SOCK_UNLOCK(so); 565 } else { 566 flags = inp->sctp_flags; 567 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 568 goto sctp_must_try_again; 569 } 570 } 571 NET_EPOCH_EXIT(et); 572 return; 573 } 574 575 int 576 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 577 struct mbuf *control, struct thread *p); 578 579 int 580 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 581 struct mbuf *control, struct thread *p) 582 { 583 struct sctp_inpcb *inp; 584 int error; 585 586 inp = (struct sctp_inpcb *)so->so_pcb; 587 if (inp == NULL) { 588 if (control) { 589 sctp_m_freem(control); 590 control = NULL; 591 } 592 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 593 sctp_m_freem(m); 594 return (EINVAL); 595 } 596 /* Got to have an to address if we are NOT a connected socket */ 597 if ((addr == NULL) && 598 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 599 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 600 goto connected_type; 601 } else if (addr == NULL) { 602 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 603 error = EDESTADDRREQ; 604 sctp_m_freem(m); 605 if (control) { 606 sctp_m_freem(control); 607 control = NULL; 608 } 609 return (error); 610 } 611 #ifdef INET6 612 if (addr->sa_family != AF_INET) { 613 /* must be a v4 address! */ 614 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 615 sctp_m_freem(m); 616 if (control) { 617 sctp_m_freem(control); 618 control = NULL; 619 } 620 error = EDESTADDRREQ; 621 return (error); 622 } 623 #endif /* INET6 */ 624 connected_type: 625 /* now what about control */ 626 if (control) { 627 if (inp->control) { 628 sctp_m_freem(inp->control); 629 inp->control = NULL; 630 } 631 inp->control = control; 632 } 633 /* Place the data */ 634 if (inp->pkt) { 635 SCTP_BUF_NEXT(inp->pkt_last) = m; 636 inp->pkt_last = m; 637 } else { 638 inp->pkt_last = inp->pkt = m; 639 } 640 if ( 641 /* FreeBSD uses a flag passed */ 642 ((flags & PRUS_MORETOCOME) == 0) 643 ) { 644 /* 645 * note with the current version this code will only be used 646 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 647 * re-defining sosend to use the sctp_sosend. One can 648 * optionally switch back to this code (by changing back the 649 * definitions) but this is not advisable. This code is used 650 * by FreeBSD when sending a file with sendfile() though. 651 */ 652 struct epoch_tracker et; 653 int ret; 654 655 NET_EPOCH_ENTER(et); 656 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 657 NET_EPOCH_EXIT(et); 658 inp->pkt = NULL; 659 inp->control = NULL; 660 return (ret); 661 } else { 662 return (0); 663 } 664 } 665 666 int 667 sctp_disconnect(struct socket *so) 668 { 669 struct sctp_inpcb *inp; 670 671 inp = (struct sctp_inpcb *)so->so_pcb; 672 if (inp == NULL) { 673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 674 return (ENOTCONN); 675 } 676 SCTP_INP_RLOCK(inp); 677 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 678 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 679 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 680 /* No connection */ 681 SCTP_INP_RUNLOCK(inp); 682 return (0); 683 } else { 684 struct epoch_tracker et; 685 struct sctp_association *asoc; 686 struct sctp_tcb *stcb; 687 688 stcb = LIST_FIRST(&inp->sctp_asoc_list); 689 if (stcb == NULL) { 690 SCTP_INP_RUNLOCK(inp); 691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 692 return (EINVAL); 693 } 694 SCTP_TCB_LOCK(stcb); 695 asoc = &stcb->asoc; 696 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 697 /* We are about to be freed, out of here */ 698 SCTP_TCB_UNLOCK(stcb); 699 SCTP_INP_RUNLOCK(inp); 700 return (0); 701 } 702 NET_EPOCH_ENTER(et); 703 if (((so->so_options & SO_LINGER) && 704 (so->so_linger == 0)) || 705 (so->so_rcv.sb_cc > 0)) { 706 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 707 /* Left with Data unread */ 708 struct mbuf *op_err; 709 710 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 711 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 712 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 713 } 714 SCTP_INP_RUNLOCK(inp); 715 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 716 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 717 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 718 } 719 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 720 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 721 /* No unlock tcb assoc is gone */ 722 NET_EPOCH_EXIT(et); 723 return (0); 724 } 725 if (TAILQ_EMPTY(&asoc->send_queue) && 726 TAILQ_EMPTY(&asoc->sent_queue) && 727 (asoc->stream_queue_cnt == 0)) { 728 /* there is nothing queued to send, so done */ 729 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 730 goto abort_anyway; 731 } 732 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 733 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 734 /* only send SHUTDOWN 1st time thru */ 735 struct sctp_nets *netp; 736 737 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 738 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 739 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 740 } 741 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 742 sctp_stop_timers_for_shutdown(stcb); 743 if (stcb->asoc.alternate) { 744 netp = stcb->asoc.alternate; 745 } else { 746 netp = stcb->asoc.primary_destination; 747 } 748 sctp_send_shutdown(stcb, netp); 749 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 750 stcb->sctp_ep, stcb, netp); 751 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 752 stcb->sctp_ep, stcb, NULL); 753 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 754 } 755 } else { 756 /* 757 * we still got (or just got) data to send, 758 * so set SHUTDOWN_PENDING 759 */ 760 /* 761 * XXX sockets draft says that SCTP_EOF 762 * should be sent with no data. currently, 763 * we will allow user data to be sent first 764 * and move to SHUTDOWN-PENDING 765 */ 766 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 767 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 768 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 769 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 770 } 771 if (TAILQ_EMPTY(&asoc->send_queue) && 772 TAILQ_EMPTY(&asoc->sent_queue) && 773 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 774 struct mbuf *op_err; 775 776 abort_anyway: 777 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 778 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 779 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 780 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 781 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 782 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 783 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 784 } 785 SCTP_INP_RUNLOCK(inp); 786 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 787 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 788 NET_EPOCH_EXIT(et); 789 return (0); 790 } else { 791 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 792 } 793 } 794 soisdisconnecting(so); 795 NET_EPOCH_EXIT(et); 796 SCTP_TCB_UNLOCK(stcb); 797 SCTP_INP_RUNLOCK(inp); 798 return (0); 799 } 800 /* not reached */ 801 } else { 802 /* UDP model does not support this */ 803 SCTP_INP_RUNLOCK(inp); 804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 805 return (EOPNOTSUPP); 806 } 807 } 808 809 int 810 sctp_flush(struct socket *so, int how) 811 { 812 /* 813 * We will just clear out the values and let subsequent close clear 814 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 815 * they will not be able to read the data, the socket will block 816 * that from happening. 817 */ 818 struct sctp_inpcb *inp; 819 820 inp = (struct sctp_inpcb *)so->so_pcb; 821 if (inp == NULL) { 822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 823 return (EINVAL); 824 } 825 SCTP_INP_RLOCK(inp); 826 /* For the 1 to many model this does nothing */ 827 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 828 SCTP_INP_RUNLOCK(inp); 829 return (0); 830 } 831 SCTP_INP_RUNLOCK(inp); 832 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 833 /* 834 * First make sure the sb will be happy, we don't use these 835 * except maybe the count 836 */ 837 SCTP_INP_WLOCK(inp); 838 SCTP_INP_READ_LOCK(inp); 839 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 840 SCTP_INP_READ_UNLOCK(inp); 841 SCTP_INP_WUNLOCK(inp); 842 so->so_rcv.sb_cc = 0; 843 so->so_rcv.sb_mbcnt = 0; 844 so->so_rcv.sb_mb = NULL; 845 } 846 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 847 /* 848 * First make sure the sb will be happy, we don't use these 849 * except maybe the count 850 */ 851 so->so_snd.sb_cc = 0; 852 so->so_snd.sb_mbcnt = 0; 853 so->so_snd.sb_mb = NULL; 854 } 855 return (0); 856 } 857 858 int 859 sctp_shutdown(struct socket *so) 860 { 861 struct sctp_inpcb *inp; 862 863 inp = (struct sctp_inpcb *)so->so_pcb; 864 if (inp == NULL) { 865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 866 return (EINVAL); 867 } 868 SCTP_INP_RLOCK(inp); 869 /* For UDP model this is a invalid call */ 870 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 871 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 872 /* Restore the flags that the soshutdown took away. */ 873 SOCKBUF_LOCK(&so->so_rcv); 874 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 875 SOCKBUF_UNLOCK(&so->so_rcv); 876 /* This proc will wakeup for read and do nothing (I hope) */ 877 SCTP_INP_RUNLOCK(inp); 878 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 879 return (EOPNOTSUPP); 880 } else { 881 /* 882 * Ok, if we reach here its the TCP model and it is either a 883 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 884 * against it. 885 */ 886 struct epoch_tracker et; 887 struct sctp_tcb *stcb; 888 struct sctp_association *asoc; 889 struct sctp_nets *netp; 890 891 if ((so->so_state & 892 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 893 SCTP_INP_RUNLOCK(inp); 894 return (ENOTCONN); 895 } 896 socantsendmore(so); 897 898 stcb = LIST_FIRST(&inp->sctp_asoc_list); 899 if (stcb == NULL) { 900 /* 901 * Ok, we hit the case that the shutdown call was 902 * made after an abort or something. Nothing to do 903 * now. 904 */ 905 SCTP_INP_RUNLOCK(inp); 906 return (0); 907 } 908 SCTP_TCB_LOCK(stcb); 909 asoc = &stcb->asoc; 910 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 911 SCTP_TCB_UNLOCK(stcb); 912 SCTP_INP_RUNLOCK(inp); 913 return (0); 914 } 915 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 916 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 917 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 918 /* 919 * If we are not in or before ESTABLISHED, there is 920 * no protocol action required. 921 */ 922 SCTP_TCB_UNLOCK(stcb); 923 SCTP_INP_RUNLOCK(inp); 924 return (0); 925 } 926 NET_EPOCH_ENTER(et); 927 if (stcb->asoc.alternate) { 928 netp = stcb->asoc.alternate; 929 } else { 930 netp = stcb->asoc.primary_destination; 931 } 932 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 933 TAILQ_EMPTY(&asoc->send_queue) && 934 TAILQ_EMPTY(&asoc->sent_queue) && 935 (asoc->stream_queue_cnt == 0)) { 936 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 937 goto abort_anyway; 938 } 939 /* there is nothing queued to send, so I'm done... */ 940 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 941 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 942 sctp_stop_timers_for_shutdown(stcb); 943 sctp_send_shutdown(stcb, netp); 944 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 945 stcb->sctp_ep, stcb, netp); 946 } else { 947 /* 948 * We still got (or just got) data to send, so set 949 * SHUTDOWN_PENDING. 950 */ 951 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 952 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 953 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 954 } 955 if (TAILQ_EMPTY(&asoc->send_queue) && 956 TAILQ_EMPTY(&asoc->sent_queue) && 957 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 958 struct mbuf *op_err; 959 960 abort_anyway: 961 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 962 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 963 SCTP_INP_RUNLOCK(inp); 964 sctp_abort_an_association(stcb->sctp_ep, stcb, 965 op_err, SCTP_SO_LOCKED); 966 NET_EPOCH_EXIT(et); 967 return (0); 968 } 969 } 970 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 971 /* 972 * XXX: Why do this in the case where we have still data 973 * queued? 974 */ 975 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 976 SCTP_TCB_UNLOCK(stcb); 977 SCTP_INP_RUNLOCK(inp); 978 NET_EPOCH_EXIT(et); 979 return (0); 980 } 981 } 982 983 /* 984 * copies a "user" presentable address and removes embedded scope, etc. 985 * returns 0 on success, 1 on error 986 */ 987 static uint32_t 988 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 989 { 990 #ifdef INET6 991 struct sockaddr_in6 lsa6; 992 993 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 994 &lsa6); 995 #endif 996 memcpy(dst, src, src->sa_len); 997 return (0); 998 } 999 1000 static size_t 1001 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1002 struct sctp_tcb *stcb, 1003 size_t limit, 1004 struct sockaddr *addr, 1005 uint32_t vrf_id) 1006 { 1007 struct sctp_ifn *sctp_ifn; 1008 struct sctp_ifa *sctp_ifa; 1009 size_t actual; 1010 int loopback_scope; 1011 #if defined(INET) 1012 int ipv4_local_scope, ipv4_addr_legal; 1013 #endif 1014 #if defined(INET6) 1015 int local_scope, site_scope, ipv6_addr_legal; 1016 #endif 1017 struct sctp_vrf *vrf; 1018 1019 SCTP_IPI_ADDR_LOCK_ASSERT(); 1020 actual = 0; 1021 if (limit == 0) 1022 return (actual); 1023 1024 if (stcb) { 1025 /* Turn on all the appropriate scope */ 1026 loopback_scope = stcb->asoc.scope.loopback_scope; 1027 #if defined(INET) 1028 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1029 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1030 #endif 1031 #if defined(INET6) 1032 local_scope = stcb->asoc.scope.local_scope; 1033 site_scope = stcb->asoc.scope.site_scope; 1034 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1035 #endif 1036 } else { 1037 /* Use generic values for endpoints. */ 1038 loopback_scope = 1; 1039 #if defined(INET) 1040 ipv4_local_scope = 1; 1041 #endif 1042 #if defined(INET6) 1043 local_scope = 1; 1044 site_scope = 1; 1045 #endif 1046 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1047 #if defined(INET6) 1048 ipv6_addr_legal = 1; 1049 #endif 1050 #if defined(INET) 1051 if (SCTP_IPV6_V6ONLY(inp)) { 1052 ipv4_addr_legal = 0; 1053 } else { 1054 ipv4_addr_legal = 1; 1055 } 1056 #endif 1057 } else { 1058 #if defined(INET6) 1059 ipv6_addr_legal = 0; 1060 #endif 1061 #if defined(INET) 1062 ipv4_addr_legal = 1; 1063 #endif 1064 } 1065 } 1066 vrf = sctp_find_vrf(vrf_id); 1067 if (vrf == NULL) { 1068 return (0); 1069 } 1070 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1071 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1072 if ((loopback_scope == 0) && 1073 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1074 /* Skip loopback if loopback_scope not set */ 1075 continue; 1076 } 1077 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1078 if (stcb) { 1079 /* 1080 * For the BOUND-ALL case, the list 1081 * associated with a TCB is Always 1082 * considered a reverse list.. i.e. 1083 * it lists addresses that are NOT 1084 * part of the association. If this 1085 * is one of those we must skip it. 1086 */ 1087 if (sctp_is_addr_restricted(stcb, 1088 sctp_ifa)) { 1089 continue; 1090 } 1091 } 1092 switch (sctp_ifa->address.sa.sa_family) { 1093 #ifdef INET 1094 case AF_INET: 1095 if (ipv4_addr_legal) { 1096 struct sockaddr_in *sin; 1097 1098 sin = &sctp_ifa->address.sin; 1099 if (sin->sin_addr.s_addr == 0) { 1100 /* 1101 * we skip 1102 * unspecifed 1103 * addresses 1104 */ 1105 continue; 1106 } 1107 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1108 &sin->sin_addr) != 0) { 1109 continue; 1110 } 1111 if ((ipv4_local_scope == 0) && 1112 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1113 continue; 1114 } 1115 #ifdef INET6 1116 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1117 if (actual + sizeof(struct sockaddr_in6) > limit) { 1118 return (actual); 1119 } 1120 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr); 1121 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1122 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1123 actual += sizeof(struct sockaddr_in6); 1124 } else { 1125 #endif 1126 if (actual + sizeof(struct sockaddr_in) > limit) { 1127 return (actual); 1128 } 1129 memcpy(addr, sin, sizeof(struct sockaddr_in)); 1130 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1131 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); 1132 actual += sizeof(struct sockaddr_in); 1133 #ifdef INET6 1134 } 1135 #endif 1136 } else { 1137 continue; 1138 } 1139 break; 1140 #endif 1141 #ifdef INET6 1142 case AF_INET6: 1143 if (ipv6_addr_legal) { 1144 struct sockaddr_in6 *sin6; 1145 1146 sin6 = &sctp_ifa->address.sin6; 1147 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1148 /* 1149 * we skip 1150 * unspecifed 1151 * addresses 1152 */ 1153 continue; 1154 } 1155 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1156 &sin6->sin6_addr) != 0) { 1157 continue; 1158 } 1159 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1160 if (local_scope == 0) 1161 continue; 1162 if (sin6->sin6_scope_id == 0) { 1163 if (sa6_recoverscope(sin6) != 0) 1164 /* 1165 * 1166 * bad 1167 * link 1168 * 1169 * local 1170 * 1171 * address 1172 */ 1173 continue; 1174 } 1175 } 1176 if ((site_scope == 0) && 1177 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1178 continue; 1179 } 1180 if (actual + sizeof(struct sockaddr_in6) > limit) { 1181 return (actual); 1182 } 1183 memcpy(addr, sin6, sizeof(struct sockaddr_in6)); 1184 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1185 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1186 actual += sizeof(struct sockaddr_in6); 1187 } else { 1188 continue; 1189 } 1190 break; 1191 #endif 1192 default: 1193 /* TSNH */ 1194 break; 1195 } 1196 } 1197 } 1198 } else { 1199 struct sctp_laddr *laddr; 1200 size_t sa_len; 1201 1202 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1203 if (stcb) { 1204 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1205 continue; 1206 } 1207 } 1208 sa_len = laddr->ifa->address.sa.sa_len; 1209 if (actual + sa_len > limit) { 1210 return (actual); 1211 } 1212 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) 1213 continue; 1214 switch (laddr->ifa->address.sa.sa_family) { 1215 #ifdef INET 1216 case AF_INET: 1217 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1218 break; 1219 #endif 1220 #ifdef INET6 1221 case AF_INET6: 1222 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1223 break; 1224 #endif 1225 default: 1226 /* TSNH */ 1227 break; 1228 } 1229 addr = (struct sockaddr *)((caddr_t)addr + sa_len); 1230 actual += sa_len; 1231 } 1232 } 1233 return (actual); 1234 } 1235 1236 static size_t 1237 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1238 struct sctp_tcb *stcb, 1239 size_t limit, 1240 struct sockaddr *addr) 1241 { 1242 size_t size = 0; 1243 1244 SCTP_IPI_ADDR_RLOCK(); 1245 /* fill up addresses for the endpoint's default vrf */ 1246 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, 1247 inp->def_vrf_id); 1248 SCTP_IPI_ADDR_RUNLOCK(); 1249 return (size); 1250 } 1251 1252 static int 1253 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1254 { 1255 int cnt = 0; 1256 struct sctp_vrf *vrf = NULL; 1257 1258 /* 1259 * In both sub-set bound an bound_all cases we return the MAXIMUM 1260 * number of addresses that you COULD get. In reality the sub-set 1261 * bound may have an exclusion list for a given TCB OR in the 1262 * bound-all case a TCB may NOT include the loopback or other 1263 * addresses as well. 1264 */ 1265 SCTP_IPI_ADDR_LOCK_ASSERT(); 1266 vrf = sctp_find_vrf(vrf_id); 1267 if (vrf == NULL) { 1268 return (0); 1269 } 1270 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1271 struct sctp_ifn *sctp_ifn; 1272 struct sctp_ifa *sctp_ifa; 1273 1274 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1275 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1276 /* Count them if they are the right type */ 1277 switch (sctp_ifa->address.sa.sa_family) { 1278 #ifdef INET 1279 case AF_INET: 1280 #ifdef INET6 1281 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1282 cnt += sizeof(struct sockaddr_in6); 1283 else 1284 cnt += sizeof(struct sockaddr_in); 1285 #else 1286 cnt += sizeof(struct sockaddr_in); 1287 #endif 1288 break; 1289 #endif 1290 #ifdef INET6 1291 case AF_INET6: 1292 cnt += sizeof(struct sockaddr_in6); 1293 break; 1294 #endif 1295 default: 1296 break; 1297 } 1298 } 1299 } 1300 } else { 1301 struct sctp_laddr *laddr; 1302 1303 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1304 switch (laddr->ifa->address.sa.sa_family) { 1305 #ifdef INET 1306 case AF_INET: 1307 #ifdef INET6 1308 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1309 cnt += sizeof(struct sockaddr_in6); 1310 else 1311 cnt += sizeof(struct sockaddr_in); 1312 #else 1313 cnt += sizeof(struct sockaddr_in); 1314 #endif 1315 break; 1316 #endif 1317 #ifdef INET6 1318 case AF_INET6: 1319 cnt += sizeof(struct sockaddr_in6); 1320 break; 1321 #endif 1322 default: 1323 break; 1324 } 1325 } 1326 } 1327 return (cnt); 1328 } 1329 1330 static int 1331 sctp_count_max_addresses(struct sctp_inpcb *inp) 1332 { 1333 int cnt = 0; 1334 1335 SCTP_IPI_ADDR_RLOCK(); 1336 /* count addresses for the endpoint's default VRF */ 1337 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1338 SCTP_IPI_ADDR_RUNLOCK(); 1339 return (cnt); 1340 } 1341 1342 static int 1343 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1344 size_t optsize, void *p, int delay) 1345 { 1346 int error; 1347 int creat_lock_on = 0; 1348 struct sctp_tcb *stcb = NULL; 1349 struct sockaddr *sa; 1350 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1351 uint32_t vrf_id; 1352 sctp_assoc_t *a_id; 1353 1354 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1355 1356 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1357 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1358 /* We are already connected AND the TCP model */ 1359 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1360 return (EADDRINUSE); 1361 } 1362 1363 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1364 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1365 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1366 return (EINVAL); 1367 } 1368 1369 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1370 SCTP_INP_RLOCK(inp); 1371 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1372 SCTP_INP_RUNLOCK(inp); 1373 } 1374 if (stcb) { 1375 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1376 return (EALREADY); 1377 } 1378 SCTP_INP_INCR_REF(inp); 1379 SCTP_ASOC_CREATE_LOCK(inp); 1380 creat_lock_on = 1; 1381 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1382 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1383 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1384 error = EFAULT; 1385 goto out_now; 1386 } 1387 totaddrp = (unsigned int *)optval; 1388 totaddr = *totaddrp; 1389 sa = (struct sockaddr *)(totaddrp + 1); 1390 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1391 if (error != 0) { 1392 /* Already have or am bring up an association */ 1393 SCTP_ASOC_CREATE_UNLOCK(inp); 1394 creat_lock_on = 0; 1395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1396 goto out_now; 1397 } 1398 #ifdef INET6 1399 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1400 (num_v6 > 0)) { 1401 error = EINVAL; 1402 goto out_now; 1403 } 1404 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1405 (num_v4 > 0)) { 1406 if (SCTP_IPV6_V6ONLY(inp)) { 1407 /* 1408 * if IPV6_V6ONLY flag, ignore connections destined 1409 * to a v4 addr or v4-mapped addr 1410 */ 1411 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1412 error = EINVAL; 1413 goto out_now; 1414 } 1415 } 1416 #endif /* INET6 */ 1417 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1418 SCTP_PCB_FLAGS_UNBOUND) { 1419 /* Bind a ephemeral port */ 1420 error = sctp_inpcb_bind(so, NULL, NULL, p); 1421 if (error) { 1422 goto out_now; 1423 } 1424 } 1425 1426 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1427 vrf_id = inp->def_vrf_id; 1428 1429 /* We are GOOD to go */ 1430 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1431 inp->sctp_ep.pre_open_stream_count, 1432 inp->sctp_ep.port, 1433 (struct thread *)p, 1434 SCTP_INITIALIZE_AUTH_PARAMS); 1435 if (stcb == NULL) { 1436 /* Gak! no memory */ 1437 goto out_now; 1438 } 1439 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1440 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1441 /* Set the connected flag so we can queue data */ 1442 soisconnecting(so); 1443 } 1444 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1445 /* move to second address */ 1446 switch (sa->sa_family) { 1447 #ifdef INET 1448 case AF_INET: 1449 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1450 break; 1451 #endif 1452 #ifdef INET6 1453 case AF_INET6: 1454 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1455 break; 1456 #endif 1457 default: 1458 break; 1459 } 1460 1461 error = 0; 1462 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1463 /* Fill in the return id */ 1464 if (error) { 1465 goto out_now; 1466 } 1467 a_id = (sctp_assoc_t *)optval; 1468 *a_id = sctp_get_associd(stcb); 1469 1470 if (delay) { 1471 /* doing delayed connection */ 1472 stcb->asoc.delayed_connection = 1; 1473 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1474 } else { 1475 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1476 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1477 } 1478 SCTP_TCB_UNLOCK(stcb); 1479 out_now: 1480 if (creat_lock_on) { 1481 SCTP_ASOC_CREATE_UNLOCK(inp); 1482 } 1483 SCTP_INP_DECR_REF(inp); 1484 return (error); 1485 } 1486 1487 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1488 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1489 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1490 SCTP_INP_RLOCK(inp); \ 1491 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1492 if (stcb) { \ 1493 SCTP_TCB_LOCK(stcb); \ 1494 } \ 1495 SCTP_INP_RUNLOCK(inp); \ 1496 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1497 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1498 if (stcb == NULL) { \ 1499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1500 error = ENOENT; \ 1501 break; \ 1502 } \ 1503 } else { \ 1504 stcb = NULL; \ 1505 } \ 1506 } 1507 1508 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1509 if (size < sizeof(type)) { \ 1510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1511 error = EINVAL; \ 1512 break; \ 1513 } else { \ 1514 destp = (type *)srcp; \ 1515 } \ 1516 } 1517 1518 static int 1519 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1520 void *p) 1521 { 1522 struct sctp_inpcb *inp = NULL; 1523 int error, val = 0; 1524 struct sctp_tcb *stcb = NULL; 1525 1526 if (optval == NULL) { 1527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1528 return (EINVAL); 1529 } 1530 1531 inp = (struct sctp_inpcb *)so->so_pcb; 1532 if (inp == NULL) { 1533 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1534 return EINVAL; 1535 } 1536 error = 0; 1537 1538 switch (optname) { 1539 case SCTP_NODELAY: 1540 case SCTP_AUTOCLOSE: 1541 case SCTP_EXPLICIT_EOR: 1542 case SCTP_AUTO_ASCONF: 1543 case SCTP_DISABLE_FRAGMENTS: 1544 case SCTP_I_WANT_MAPPED_V4_ADDR: 1545 case SCTP_USE_EXT_RCVINFO: 1546 SCTP_INP_RLOCK(inp); 1547 switch (optname) { 1548 case SCTP_DISABLE_FRAGMENTS: 1549 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1550 break; 1551 case SCTP_I_WANT_MAPPED_V4_ADDR: 1552 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1553 break; 1554 case SCTP_AUTO_ASCONF: 1555 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1556 /* only valid for bound all sockets */ 1557 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1558 } else { 1559 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1560 error = EINVAL; 1561 goto flags_out; 1562 } 1563 break; 1564 case SCTP_EXPLICIT_EOR: 1565 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1566 break; 1567 case SCTP_NODELAY: 1568 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1569 break; 1570 case SCTP_USE_EXT_RCVINFO: 1571 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1572 break; 1573 case SCTP_AUTOCLOSE: 1574 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1575 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1576 else 1577 val = 0; 1578 break; 1579 1580 default: 1581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1582 error = ENOPROTOOPT; 1583 } /* end switch (sopt->sopt_name) */ 1584 if (*optsize < sizeof(val)) { 1585 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1586 error = EINVAL; 1587 } 1588 flags_out: 1589 SCTP_INP_RUNLOCK(inp); 1590 if (error == 0) { 1591 /* return the option value */ 1592 *(int *)optval = val; 1593 *optsize = sizeof(val); 1594 } 1595 break; 1596 case SCTP_GET_PACKET_LOG: 1597 { 1598 #ifdef SCTP_PACKET_LOGGING 1599 uint8_t *target; 1600 int ret; 1601 1602 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1603 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1604 *optsize = ret; 1605 #else 1606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1607 error = EOPNOTSUPP; 1608 #endif 1609 break; 1610 } 1611 case SCTP_REUSE_PORT: 1612 { 1613 uint32_t *value; 1614 1615 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1616 /* Can't do this for a 1-m socket */ 1617 error = EINVAL; 1618 break; 1619 } 1620 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1621 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1622 *optsize = sizeof(uint32_t); 1623 break; 1624 } 1625 case SCTP_PARTIAL_DELIVERY_POINT: 1626 { 1627 uint32_t *value; 1628 1629 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1630 *value = inp->partial_delivery_point; 1631 *optsize = sizeof(uint32_t); 1632 break; 1633 } 1634 case SCTP_FRAGMENT_INTERLEAVE: 1635 { 1636 uint32_t *value; 1637 1638 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1639 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1640 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1641 *value = SCTP_FRAG_LEVEL_2; 1642 } else { 1643 *value = SCTP_FRAG_LEVEL_1; 1644 } 1645 } else { 1646 *value = SCTP_FRAG_LEVEL_0; 1647 } 1648 *optsize = sizeof(uint32_t); 1649 break; 1650 } 1651 case SCTP_INTERLEAVING_SUPPORTED: 1652 { 1653 struct sctp_assoc_value *av; 1654 1655 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1656 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1657 1658 if (stcb) { 1659 av->assoc_value = stcb->asoc.idata_supported; 1660 SCTP_TCB_UNLOCK(stcb); 1661 } else { 1662 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1663 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1664 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1665 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1666 SCTP_INP_RLOCK(inp); 1667 if (inp->idata_supported) { 1668 av->assoc_value = 1; 1669 } else { 1670 av->assoc_value = 0; 1671 } 1672 SCTP_INP_RUNLOCK(inp); 1673 } else { 1674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1675 error = EINVAL; 1676 } 1677 } 1678 if (error == 0) { 1679 *optsize = sizeof(struct sctp_assoc_value); 1680 } 1681 break; 1682 } 1683 case SCTP_CMT_ON_OFF: 1684 { 1685 struct sctp_assoc_value *av; 1686 1687 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1688 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1689 if (stcb) { 1690 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1691 SCTP_TCB_UNLOCK(stcb); 1692 } else { 1693 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1694 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1695 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1696 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1697 SCTP_INP_RLOCK(inp); 1698 av->assoc_value = inp->sctp_cmt_on_off; 1699 SCTP_INP_RUNLOCK(inp); 1700 } else { 1701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1702 error = EINVAL; 1703 } 1704 } 1705 if (error == 0) { 1706 *optsize = sizeof(struct sctp_assoc_value); 1707 } 1708 break; 1709 } 1710 case SCTP_PLUGGABLE_CC: 1711 { 1712 struct sctp_assoc_value *av; 1713 1714 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1715 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1716 if (stcb) { 1717 av->assoc_value = stcb->asoc.congestion_control_module; 1718 SCTP_TCB_UNLOCK(stcb); 1719 } else { 1720 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1721 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1722 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1723 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1724 SCTP_INP_RLOCK(inp); 1725 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1726 SCTP_INP_RUNLOCK(inp); 1727 } else { 1728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1729 error = EINVAL; 1730 } 1731 } 1732 if (error == 0) { 1733 *optsize = sizeof(struct sctp_assoc_value); 1734 } 1735 break; 1736 } 1737 case SCTP_CC_OPTION: 1738 { 1739 struct sctp_cc_option *cc_opt; 1740 1741 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1742 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1743 if (stcb == NULL) { 1744 error = EINVAL; 1745 } else { 1746 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1747 error = ENOTSUP; 1748 } else { 1749 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1750 *optsize = sizeof(struct sctp_cc_option); 1751 } 1752 SCTP_TCB_UNLOCK(stcb); 1753 } 1754 break; 1755 } 1756 case SCTP_PLUGGABLE_SS: 1757 { 1758 struct sctp_assoc_value *av; 1759 1760 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1761 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1762 if (stcb) { 1763 av->assoc_value = stcb->asoc.stream_scheduling_module; 1764 SCTP_TCB_UNLOCK(stcb); 1765 } else { 1766 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1767 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1768 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1769 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1770 SCTP_INP_RLOCK(inp); 1771 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1772 SCTP_INP_RUNLOCK(inp); 1773 } else { 1774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1775 error = EINVAL; 1776 } 1777 } 1778 if (error == 0) { 1779 *optsize = sizeof(struct sctp_assoc_value); 1780 } 1781 break; 1782 } 1783 case SCTP_SS_VALUE: 1784 { 1785 struct sctp_stream_value *av; 1786 1787 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1788 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1789 if (stcb) { 1790 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1791 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1792 &av->stream_value) < 0)) { 1793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1794 error = EINVAL; 1795 } else { 1796 *optsize = sizeof(struct sctp_stream_value); 1797 } 1798 SCTP_TCB_UNLOCK(stcb); 1799 } else { 1800 /* 1801 * Can't get stream value without 1802 * association 1803 */ 1804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1805 error = EINVAL; 1806 } 1807 break; 1808 } 1809 case SCTP_GET_ADDR_LEN: 1810 { 1811 struct sctp_assoc_value *av; 1812 1813 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1814 error = EINVAL; 1815 #ifdef INET 1816 if (av->assoc_value == AF_INET) { 1817 av->assoc_value = sizeof(struct sockaddr_in); 1818 error = 0; 1819 } 1820 #endif 1821 #ifdef INET6 1822 if (av->assoc_value == AF_INET6) { 1823 av->assoc_value = sizeof(struct sockaddr_in6); 1824 error = 0; 1825 } 1826 #endif 1827 if (error) { 1828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1829 } else { 1830 *optsize = sizeof(struct sctp_assoc_value); 1831 } 1832 break; 1833 } 1834 case SCTP_GET_ASSOC_NUMBER: 1835 { 1836 uint32_t *value, cnt; 1837 1838 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1839 SCTP_INP_RLOCK(inp); 1840 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1841 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1842 /* Can't do this for a 1-1 socket */ 1843 error = EINVAL; 1844 SCTP_INP_RUNLOCK(inp); 1845 break; 1846 } 1847 cnt = 0; 1848 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1849 cnt++; 1850 } 1851 SCTP_INP_RUNLOCK(inp); 1852 *value = cnt; 1853 *optsize = sizeof(uint32_t); 1854 break; 1855 } 1856 case SCTP_GET_ASSOC_ID_LIST: 1857 { 1858 struct sctp_assoc_ids *ids; 1859 uint32_t at; 1860 size_t limit; 1861 1862 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1863 SCTP_INP_RLOCK(inp); 1864 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1865 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1866 /* Can't do this for a 1-1 socket */ 1867 error = EINVAL; 1868 SCTP_INP_RUNLOCK(inp); 1869 break; 1870 } 1871 at = 0; 1872 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1873 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1874 if (at < limit) { 1875 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1876 if (at == 0) { 1877 error = EINVAL; 1878 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1879 break; 1880 } 1881 } else { 1882 error = EINVAL; 1883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1884 break; 1885 } 1886 } 1887 SCTP_INP_RUNLOCK(inp); 1888 if (error == 0) { 1889 ids->gaids_number_of_ids = at; 1890 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1891 } 1892 break; 1893 } 1894 case SCTP_CONTEXT: 1895 { 1896 struct sctp_assoc_value *av; 1897 1898 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1899 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1900 1901 if (stcb) { 1902 av->assoc_value = stcb->asoc.context; 1903 SCTP_TCB_UNLOCK(stcb); 1904 } else { 1905 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1906 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1907 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1908 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1909 SCTP_INP_RLOCK(inp); 1910 av->assoc_value = inp->sctp_context; 1911 SCTP_INP_RUNLOCK(inp); 1912 } else { 1913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1914 error = EINVAL; 1915 } 1916 } 1917 if (error == 0) { 1918 *optsize = sizeof(struct sctp_assoc_value); 1919 } 1920 break; 1921 } 1922 case SCTP_VRF_ID: 1923 { 1924 uint32_t *default_vrfid; 1925 1926 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1927 *default_vrfid = inp->def_vrf_id; 1928 *optsize = sizeof(uint32_t); 1929 break; 1930 } 1931 case SCTP_GET_ASOC_VRF: 1932 { 1933 struct sctp_assoc_value *id; 1934 1935 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1936 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1937 if (stcb == NULL) { 1938 error = EINVAL; 1939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1940 } else { 1941 id->assoc_value = stcb->asoc.vrf_id; 1942 SCTP_TCB_UNLOCK(stcb); 1943 *optsize = sizeof(struct sctp_assoc_value); 1944 } 1945 break; 1946 } 1947 case SCTP_GET_VRF_IDS: 1948 { 1949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1950 error = EOPNOTSUPP; 1951 break; 1952 } 1953 case SCTP_GET_NONCE_VALUES: 1954 { 1955 struct sctp_get_nonce_values *gnv; 1956 1957 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1958 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1959 1960 if (stcb) { 1961 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1962 gnv->gn_local_tag = stcb->asoc.my_vtag; 1963 SCTP_TCB_UNLOCK(stcb); 1964 *optsize = sizeof(struct sctp_get_nonce_values); 1965 } else { 1966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1967 error = ENOTCONN; 1968 } 1969 break; 1970 } 1971 case SCTP_DELAYED_SACK: 1972 { 1973 struct sctp_sack_info *sack; 1974 1975 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1976 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1977 if (stcb) { 1978 sack->sack_delay = stcb->asoc.delayed_ack; 1979 sack->sack_freq = stcb->asoc.sack_freq; 1980 SCTP_TCB_UNLOCK(stcb); 1981 } else { 1982 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1983 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1984 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1985 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1986 SCTP_INP_RLOCK(inp); 1987 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1988 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1989 SCTP_INP_RUNLOCK(inp); 1990 } else { 1991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1992 error = EINVAL; 1993 } 1994 } 1995 if (error == 0) { 1996 *optsize = sizeof(struct sctp_sack_info); 1997 } 1998 break; 1999 } 2000 case SCTP_GET_SNDBUF_USE: 2001 { 2002 struct sctp_sockstat *ss; 2003 2004 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2005 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2006 2007 if (stcb) { 2008 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2009 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2010 stcb->asoc.size_on_all_streams); 2011 SCTP_TCB_UNLOCK(stcb); 2012 *optsize = sizeof(struct sctp_sockstat); 2013 } else { 2014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2015 error = ENOTCONN; 2016 } 2017 break; 2018 } 2019 case SCTP_MAX_BURST: 2020 { 2021 struct sctp_assoc_value *av; 2022 2023 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2024 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2025 2026 if (stcb) { 2027 av->assoc_value = stcb->asoc.max_burst; 2028 SCTP_TCB_UNLOCK(stcb); 2029 } else { 2030 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2031 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2032 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2033 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2034 SCTP_INP_RLOCK(inp); 2035 av->assoc_value = inp->sctp_ep.max_burst; 2036 SCTP_INP_RUNLOCK(inp); 2037 } else { 2038 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2039 error = EINVAL; 2040 } 2041 } 2042 if (error == 0) { 2043 *optsize = sizeof(struct sctp_assoc_value); 2044 } 2045 break; 2046 } 2047 case SCTP_MAXSEG: 2048 { 2049 struct sctp_assoc_value *av; 2050 int ovh; 2051 2052 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2053 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2054 2055 if (stcb) { 2056 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2057 SCTP_TCB_UNLOCK(stcb); 2058 } else { 2059 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2060 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2061 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2062 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2063 SCTP_INP_RLOCK(inp); 2064 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2065 ovh = SCTP_MED_OVERHEAD; 2066 } else { 2067 ovh = SCTP_MED_V4_OVERHEAD; 2068 } 2069 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2070 av->assoc_value = 0; 2071 else 2072 av->assoc_value = inp->sctp_frag_point - ovh; 2073 SCTP_INP_RUNLOCK(inp); 2074 } else { 2075 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2076 error = EINVAL; 2077 } 2078 } 2079 if (error == 0) { 2080 *optsize = sizeof(struct sctp_assoc_value); 2081 } 2082 break; 2083 } 2084 case SCTP_GET_STAT_LOG: 2085 error = sctp_fill_stat_log(optval, optsize); 2086 break; 2087 case SCTP_EVENTS: 2088 { 2089 struct sctp_event_subscribe *events; 2090 2091 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2092 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2093 SCTP_INP_RLOCK(inp); 2094 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2095 events->sctp_data_io_event = 1; 2096 2097 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2098 events->sctp_association_event = 1; 2099 2100 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2101 events->sctp_address_event = 1; 2102 2103 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2104 events->sctp_send_failure_event = 1; 2105 2106 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2107 events->sctp_peer_error_event = 1; 2108 2109 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2110 events->sctp_shutdown_event = 1; 2111 2112 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2113 events->sctp_partial_delivery_event = 1; 2114 2115 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2116 events->sctp_adaptation_layer_event = 1; 2117 2118 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2119 events->sctp_authentication_event = 1; 2120 2121 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2122 events->sctp_sender_dry_event = 1; 2123 2124 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2125 events->sctp_stream_reset_event = 1; 2126 SCTP_INP_RUNLOCK(inp); 2127 *optsize = sizeof(struct sctp_event_subscribe); 2128 break; 2129 } 2130 case SCTP_ADAPTATION_LAYER: 2131 { 2132 uint32_t *value; 2133 2134 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2135 2136 SCTP_INP_RLOCK(inp); 2137 *value = inp->sctp_ep.adaptation_layer_indicator; 2138 SCTP_INP_RUNLOCK(inp); 2139 *optsize = sizeof(uint32_t); 2140 break; 2141 } 2142 case SCTP_SET_INITIAL_DBG_SEQ: 2143 { 2144 uint32_t *value; 2145 2146 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2147 SCTP_INP_RLOCK(inp); 2148 *value = inp->sctp_ep.initial_sequence_debug; 2149 SCTP_INP_RUNLOCK(inp); 2150 *optsize = sizeof(uint32_t); 2151 break; 2152 } 2153 case SCTP_GET_LOCAL_ADDR_SIZE: 2154 { 2155 uint32_t *value; 2156 2157 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2158 SCTP_INP_RLOCK(inp); 2159 *value = sctp_count_max_addresses(inp); 2160 SCTP_INP_RUNLOCK(inp); 2161 *optsize = sizeof(uint32_t); 2162 break; 2163 } 2164 case SCTP_GET_REMOTE_ADDR_SIZE: 2165 { 2166 uint32_t *value; 2167 size_t size; 2168 struct sctp_nets *net; 2169 2170 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2171 /* FIXME MT: change to sctp_assoc_value? */ 2172 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2173 2174 if (stcb) { 2175 size = 0; 2176 /* Count the sizes */ 2177 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2178 switch (net->ro._l_addr.sa.sa_family) { 2179 #ifdef INET 2180 case AF_INET: 2181 #ifdef INET6 2182 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2183 size += sizeof(struct sockaddr_in6); 2184 } else { 2185 size += sizeof(struct sockaddr_in); 2186 } 2187 #else 2188 size += sizeof(struct sockaddr_in); 2189 #endif 2190 break; 2191 #endif 2192 #ifdef INET6 2193 case AF_INET6: 2194 size += sizeof(struct sockaddr_in6); 2195 break; 2196 #endif 2197 default: 2198 break; 2199 } 2200 } 2201 SCTP_TCB_UNLOCK(stcb); 2202 *value = (uint32_t)size; 2203 *optsize = sizeof(uint32_t); 2204 } else { 2205 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2206 error = ENOTCONN; 2207 } 2208 break; 2209 } 2210 case SCTP_GET_PEER_ADDRESSES: 2211 /* 2212 * Get the address information, an array is passed in to 2213 * fill up we pack it. 2214 */ 2215 { 2216 size_t cpsz, left; 2217 struct sockaddr *addr; 2218 struct sctp_nets *net; 2219 struct sctp_getaddresses *saddr; 2220 2221 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2222 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2223 2224 if (stcb) { 2225 left = *optsize - offsetof(struct sctp_getaddresses, addr); 2226 *optsize = offsetof(struct sctp_getaddresses, addr); 2227 addr = &saddr->addr[0].sa; 2228 2229 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2230 switch (net->ro._l_addr.sa.sa_family) { 2231 #ifdef INET 2232 case AF_INET: 2233 #ifdef INET6 2234 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2235 cpsz = sizeof(struct sockaddr_in6); 2236 } else { 2237 cpsz = sizeof(struct sockaddr_in); 2238 } 2239 #else 2240 cpsz = sizeof(struct sockaddr_in); 2241 #endif 2242 break; 2243 #endif 2244 #ifdef INET6 2245 case AF_INET6: 2246 cpsz = sizeof(struct sockaddr_in6); 2247 break; 2248 #endif 2249 default: 2250 cpsz = 0; 2251 break; 2252 } 2253 if (cpsz == 0) { 2254 break; 2255 } 2256 if (left < cpsz) { 2257 /* not enough room. */ 2258 break; 2259 } 2260 #if defined(INET) && defined(INET6) 2261 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2262 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2263 /* Must map the address */ 2264 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2265 (struct sockaddr_in6 *)addr); 2266 } else { 2267 memcpy(addr, &net->ro._l_addr, cpsz); 2268 } 2269 #else 2270 memcpy(addr, &net->ro._l_addr, cpsz); 2271 #endif 2272 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2273 2274 addr = (struct sockaddr *)((caddr_t)addr + cpsz); 2275 left -= cpsz; 2276 *optsize += cpsz; 2277 } 2278 SCTP_TCB_UNLOCK(stcb); 2279 } else { 2280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2281 error = ENOENT; 2282 } 2283 break; 2284 } 2285 case SCTP_GET_LOCAL_ADDRESSES: 2286 { 2287 size_t limit, actual; 2288 struct sctp_getaddresses *saddr; 2289 2290 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2291 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2292 2293 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2294 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2295 if (stcb) { 2296 SCTP_TCB_UNLOCK(stcb); 2297 } 2298 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2299 break; 2300 } 2301 case SCTP_PEER_ADDR_PARAMS: 2302 { 2303 struct sctp_paddrparams *paddrp; 2304 struct sctp_nets *net; 2305 struct sockaddr *addr; 2306 #if defined(INET) && defined(INET6) 2307 struct sockaddr_in sin_store; 2308 #endif 2309 2310 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2311 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2312 2313 #if defined(INET) && defined(INET6) 2314 if (paddrp->spp_address.ss_family == AF_INET6) { 2315 struct sockaddr_in6 *sin6; 2316 2317 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2318 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2319 in6_sin6_2_sin(&sin_store, sin6); 2320 addr = (struct sockaddr *)&sin_store; 2321 } else { 2322 addr = (struct sockaddr *)&paddrp->spp_address; 2323 } 2324 } else { 2325 addr = (struct sockaddr *)&paddrp->spp_address; 2326 } 2327 #else 2328 addr = (struct sockaddr *)&paddrp->spp_address; 2329 #endif 2330 if (stcb != NULL) { 2331 net = sctp_findnet(stcb, addr); 2332 } else { 2333 /* 2334 * We increment here since 2335 * sctp_findassociation_ep_addr() wil do a 2336 * decrement if it finds the stcb as long as 2337 * the locked tcb (last argument) is NOT a 2338 * TCB.. aka NULL. 2339 */ 2340 net = NULL; 2341 SCTP_INP_INCR_REF(inp); 2342 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2343 if (stcb == NULL) { 2344 SCTP_INP_DECR_REF(inp); 2345 } 2346 } 2347 if ((stcb != NULL) && (net == NULL)) { 2348 #ifdef INET 2349 if (addr->sa_family == AF_INET) { 2350 struct sockaddr_in *sin; 2351 2352 sin = (struct sockaddr_in *)addr; 2353 if (sin->sin_addr.s_addr != INADDR_ANY) { 2354 error = EINVAL; 2355 SCTP_TCB_UNLOCK(stcb); 2356 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2357 break; 2358 } 2359 } else 2360 #endif 2361 #ifdef INET6 2362 if (addr->sa_family == AF_INET6) { 2363 struct sockaddr_in6 *sin6; 2364 2365 sin6 = (struct sockaddr_in6 *)addr; 2366 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 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 { 2375 error = EAFNOSUPPORT; 2376 SCTP_TCB_UNLOCK(stcb); 2377 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2378 break; 2379 } 2380 } 2381 2382 if (stcb != NULL) { 2383 /* Applies to the specific association */ 2384 paddrp->spp_flags = 0; 2385 if (net != NULL) { 2386 paddrp->spp_hbinterval = net->heart_beat_delay; 2387 paddrp->spp_pathmaxrxt = net->failure_threshold; 2388 paddrp->spp_pathmtu = net->mtu; 2389 switch (net->ro._l_addr.sa.sa_family) { 2390 #ifdef INET 2391 case AF_INET: 2392 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2393 break; 2394 #endif 2395 #ifdef INET6 2396 case AF_INET6: 2397 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2398 break; 2399 #endif 2400 default: 2401 break; 2402 } 2403 /* get flags for HB */ 2404 if (net->dest_state & SCTP_ADDR_NOHB) { 2405 paddrp->spp_flags |= SPP_HB_DISABLE; 2406 } else { 2407 paddrp->spp_flags |= SPP_HB_ENABLE; 2408 } 2409 /* get flags for PMTU */ 2410 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2411 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2412 } else { 2413 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2414 } 2415 if (net->dscp & 0x01) { 2416 paddrp->spp_dscp = net->dscp & 0xfc; 2417 paddrp->spp_flags |= SPP_DSCP; 2418 } 2419 #ifdef INET6 2420 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2421 (net->flowlabel & 0x80000000)) { 2422 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2423 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2424 } 2425 #endif 2426 } else { 2427 /* 2428 * No destination so return default 2429 * value 2430 */ 2431 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2432 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2433 if (stcb->asoc.default_dscp & 0x01) { 2434 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2435 paddrp->spp_flags |= SPP_DSCP; 2436 } 2437 #ifdef INET6 2438 if (stcb->asoc.default_flowlabel & 0x80000000) { 2439 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2440 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2441 } 2442 #endif 2443 /* default settings should be these */ 2444 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2445 paddrp->spp_flags |= SPP_HB_DISABLE; 2446 } else { 2447 paddrp->spp_flags |= SPP_HB_ENABLE; 2448 } 2449 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2450 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2451 } else { 2452 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2453 } 2454 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2455 } 2456 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2457 SCTP_TCB_UNLOCK(stcb); 2458 } else { 2459 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2460 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2461 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2462 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2463 /* Use endpoint defaults */ 2464 SCTP_INP_RLOCK(inp); 2465 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2466 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2467 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2468 /* get inp's default */ 2469 if (inp->sctp_ep.default_dscp & 0x01) { 2470 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2471 paddrp->spp_flags |= SPP_DSCP; 2472 } 2473 #ifdef INET6 2474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2475 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2476 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2477 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2478 } 2479 #endif 2480 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2481 2482 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2483 paddrp->spp_flags |= SPP_HB_ENABLE; 2484 } else { 2485 paddrp->spp_flags |= SPP_HB_DISABLE; 2486 } 2487 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2488 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2489 } else { 2490 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2491 } 2492 SCTP_INP_RUNLOCK(inp); 2493 } else { 2494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2495 error = EINVAL; 2496 } 2497 } 2498 if (error == 0) { 2499 *optsize = sizeof(struct sctp_paddrparams); 2500 } 2501 break; 2502 } 2503 case SCTP_GET_PEER_ADDR_INFO: 2504 { 2505 struct sctp_paddrinfo *paddri; 2506 struct sctp_nets *net; 2507 struct sockaddr *addr; 2508 #if defined(INET) && defined(INET6) 2509 struct sockaddr_in sin_store; 2510 #endif 2511 2512 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2513 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2514 2515 #if defined(INET) && defined(INET6) 2516 if (paddri->spinfo_address.ss_family == AF_INET6) { 2517 struct sockaddr_in6 *sin6; 2518 2519 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2520 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2521 in6_sin6_2_sin(&sin_store, sin6); 2522 addr = (struct sockaddr *)&sin_store; 2523 } else { 2524 addr = (struct sockaddr *)&paddri->spinfo_address; 2525 } 2526 } else { 2527 addr = (struct sockaddr *)&paddri->spinfo_address; 2528 } 2529 #else 2530 addr = (struct sockaddr *)&paddri->spinfo_address; 2531 #endif 2532 if (stcb != NULL) { 2533 net = sctp_findnet(stcb, addr); 2534 } else { 2535 /* 2536 * We increment here since 2537 * sctp_findassociation_ep_addr() wil do a 2538 * decrement if it finds the stcb as long as 2539 * the locked tcb (last argument) is NOT a 2540 * TCB.. aka NULL. 2541 */ 2542 net = NULL; 2543 SCTP_INP_INCR_REF(inp); 2544 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2545 if (stcb == NULL) { 2546 SCTP_INP_DECR_REF(inp); 2547 } 2548 } 2549 2550 if ((stcb != NULL) && (net != NULL)) { 2551 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2552 /* It's unconfirmed */ 2553 paddri->spinfo_state = SCTP_UNCONFIRMED; 2554 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2555 /* It's active */ 2556 paddri->spinfo_state = SCTP_ACTIVE; 2557 } else { 2558 /* It's inactive */ 2559 paddri->spinfo_state = SCTP_INACTIVE; 2560 } 2561 paddri->spinfo_cwnd = net->cwnd; 2562 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2563 paddri->spinfo_rto = net->RTO; 2564 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2565 paddri->spinfo_mtu = net->mtu; 2566 switch (addr->sa_family) { 2567 #if defined(INET) 2568 case AF_INET: 2569 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2570 break; 2571 #endif 2572 #if defined(INET6) 2573 case AF_INET6: 2574 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2575 break; 2576 #endif 2577 default: 2578 break; 2579 } 2580 SCTP_TCB_UNLOCK(stcb); 2581 *optsize = sizeof(struct sctp_paddrinfo); 2582 } else { 2583 if (stcb != NULL) { 2584 SCTP_TCB_UNLOCK(stcb); 2585 } 2586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2587 error = ENOENT; 2588 } 2589 break; 2590 } 2591 case SCTP_PCB_STATUS: 2592 { 2593 struct sctp_pcbinfo *spcb; 2594 2595 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2596 sctp_fill_pcbinfo(spcb); 2597 *optsize = sizeof(struct sctp_pcbinfo); 2598 break; 2599 } 2600 case SCTP_STATUS: 2601 { 2602 struct sctp_nets *net; 2603 struct sctp_status *sstat; 2604 2605 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2606 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2607 2608 if (stcb == NULL) { 2609 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2610 error = EINVAL; 2611 break; 2612 } 2613 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2614 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2615 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2616 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2617 /* 2618 * We can't include chunks that have been passed to 2619 * the socket layer. Only things in queue. 2620 */ 2621 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2622 stcb->asoc.cnt_on_all_streams); 2623 2624 sstat->sstat_instrms = stcb->asoc.streamincnt; 2625 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2626 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2627 net = stcb->asoc.primary_destination; 2628 if (net != NULL) { 2629 memcpy(&sstat->sstat_primary.spinfo_address, 2630 &net->ro._l_addr, 2631 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2632 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2633 /* 2634 * Again the user can get info from 2635 * sctp_constants.h for what the state of 2636 * the network is. 2637 */ 2638 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2639 /* It's unconfirmed */ 2640 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2641 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2642 /* It's active */ 2643 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2644 } else { 2645 /* It's inactive */ 2646 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2647 } 2648 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2649 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2650 sstat->sstat_primary.spinfo_rto = net->RTO; 2651 sstat->sstat_primary.spinfo_mtu = net->mtu; 2652 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2653 #if defined(INET) 2654 case AF_INET: 2655 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2656 break; 2657 #endif 2658 #if defined(INET6) 2659 case AF_INET6: 2660 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2661 break; 2662 #endif 2663 default: 2664 break; 2665 } 2666 } else { 2667 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2668 } 2669 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2670 SCTP_TCB_UNLOCK(stcb); 2671 *optsize = sizeof(struct sctp_status); 2672 break; 2673 } 2674 case SCTP_RTOINFO: 2675 { 2676 struct sctp_rtoinfo *srto; 2677 2678 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2679 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2680 2681 if (stcb) { 2682 srto->srto_initial = stcb->asoc.initial_rto; 2683 srto->srto_max = stcb->asoc.maxrto; 2684 srto->srto_min = stcb->asoc.minrto; 2685 SCTP_TCB_UNLOCK(stcb); 2686 } else { 2687 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2688 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2689 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2690 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2691 SCTP_INP_RLOCK(inp); 2692 srto->srto_initial = inp->sctp_ep.initial_rto; 2693 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2694 srto->srto_min = inp->sctp_ep.sctp_minrto; 2695 SCTP_INP_RUNLOCK(inp); 2696 } else { 2697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2698 error = EINVAL; 2699 } 2700 } 2701 if (error == 0) { 2702 *optsize = sizeof(struct sctp_rtoinfo); 2703 } 2704 break; 2705 } 2706 case SCTP_TIMEOUTS: 2707 { 2708 struct sctp_timeouts *stimo; 2709 2710 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2711 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2712 2713 if (stcb) { 2714 stimo->stimo_init = stcb->asoc.timoinit; 2715 stimo->stimo_data = stcb->asoc.timodata; 2716 stimo->stimo_sack = stcb->asoc.timosack; 2717 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2718 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2719 stimo->stimo_cookie = stcb->asoc.timocookie; 2720 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2721 SCTP_TCB_UNLOCK(stcb); 2722 *optsize = sizeof(struct sctp_timeouts); 2723 } else { 2724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2725 error = EINVAL; 2726 } 2727 break; 2728 } 2729 case SCTP_ASSOCINFO: 2730 { 2731 struct sctp_assocparams *sasoc; 2732 2733 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2734 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2735 2736 if (stcb) { 2737 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2738 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2739 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2740 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2741 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2742 SCTP_TCB_UNLOCK(stcb); 2743 } else { 2744 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2745 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2746 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2747 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2748 SCTP_INP_RLOCK(inp); 2749 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2750 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2751 sasoc->sasoc_number_peer_destinations = 0; 2752 sasoc->sasoc_peer_rwnd = 0; 2753 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2754 SCTP_INP_RUNLOCK(inp); 2755 } else { 2756 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2757 error = EINVAL; 2758 } 2759 } 2760 if (error == 0) { 2761 *optsize = sizeof(struct sctp_assocparams); 2762 } 2763 break; 2764 } 2765 case SCTP_DEFAULT_SEND_PARAM: 2766 { 2767 struct sctp_sndrcvinfo *s_info; 2768 2769 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2770 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2771 2772 if (stcb) { 2773 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2774 SCTP_TCB_UNLOCK(stcb); 2775 } else { 2776 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2777 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2778 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2779 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2780 SCTP_INP_RLOCK(inp); 2781 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2782 SCTP_INP_RUNLOCK(inp); 2783 } else { 2784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2785 error = EINVAL; 2786 } 2787 } 2788 if (error == 0) { 2789 *optsize = sizeof(struct sctp_sndrcvinfo); 2790 } 2791 break; 2792 } 2793 case SCTP_INITMSG: 2794 { 2795 struct sctp_initmsg *sinit; 2796 2797 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2798 SCTP_INP_RLOCK(inp); 2799 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2800 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2801 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2802 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2803 SCTP_INP_RUNLOCK(inp); 2804 *optsize = sizeof(struct sctp_initmsg); 2805 break; 2806 } 2807 case SCTP_PRIMARY_ADDR: 2808 /* we allow a "get" operation on this */ 2809 { 2810 struct sctp_setprim *ssp; 2811 2812 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2813 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2814 2815 if (stcb) { 2816 union sctp_sockstore *addr; 2817 2818 addr = &stcb->asoc.primary_destination->ro._l_addr; 2819 switch (addr->sa.sa_family) { 2820 #ifdef INET 2821 case AF_INET: 2822 #ifdef INET6 2823 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2824 in6_sin_2_v4mapsin6(&addr->sin, 2825 (struct sockaddr_in6 *)&ssp->ssp_addr); 2826 } else { 2827 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2828 } 2829 #else 2830 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2831 #endif 2832 break; 2833 #endif 2834 #ifdef INET6 2835 case AF_INET6: 2836 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2837 break; 2838 #endif 2839 default: 2840 break; 2841 } 2842 SCTP_TCB_UNLOCK(stcb); 2843 *optsize = sizeof(struct sctp_setprim); 2844 } else { 2845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2846 error = EINVAL; 2847 } 2848 break; 2849 } 2850 case SCTP_HMAC_IDENT: 2851 { 2852 struct sctp_hmacalgo *shmac; 2853 sctp_hmaclist_t *hmaclist; 2854 uint32_t size; 2855 int i; 2856 2857 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2858 2859 SCTP_INP_RLOCK(inp); 2860 hmaclist = inp->sctp_ep.local_hmacs; 2861 if (hmaclist == NULL) { 2862 /* no HMACs to return */ 2863 *optsize = sizeof(*shmac); 2864 SCTP_INP_RUNLOCK(inp); 2865 break; 2866 } 2867 /* is there room for all of the hmac ids? */ 2868 size = sizeof(*shmac) + (hmaclist->num_algo * 2869 sizeof(shmac->shmac_idents[0])); 2870 if ((size_t)(*optsize) < size) { 2871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2872 error = EINVAL; 2873 SCTP_INP_RUNLOCK(inp); 2874 break; 2875 } 2876 /* copy in the list */ 2877 shmac->shmac_number_of_idents = hmaclist->num_algo; 2878 for (i = 0; i < hmaclist->num_algo; i++) { 2879 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2880 } 2881 SCTP_INP_RUNLOCK(inp); 2882 *optsize = size; 2883 break; 2884 } 2885 case SCTP_AUTH_ACTIVE_KEY: 2886 { 2887 struct sctp_authkeyid *scact; 2888 2889 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2890 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2891 2892 if (stcb) { 2893 /* get the active key on the assoc */ 2894 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2895 SCTP_TCB_UNLOCK(stcb); 2896 } else { 2897 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2898 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2899 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2900 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2901 /* get the endpoint active key */ 2902 SCTP_INP_RLOCK(inp); 2903 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2904 SCTP_INP_RUNLOCK(inp); 2905 } else { 2906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2907 error = EINVAL; 2908 } 2909 } 2910 if (error == 0) { 2911 *optsize = sizeof(struct sctp_authkeyid); 2912 } 2913 break; 2914 } 2915 case SCTP_LOCAL_AUTH_CHUNKS: 2916 { 2917 struct sctp_authchunks *sac; 2918 sctp_auth_chklist_t *chklist = NULL; 2919 size_t size = 0; 2920 2921 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2922 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2923 2924 if (stcb) { 2925 /* get off the assoc */ 2926 chklist = stcb->asoc.local_auth_chunks; 2927 /* is there enough space? */ 2928 size = sctp_auth_get_chklist_size(chklist); 2929 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2930 error = EINVAL; 2931 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2932 } else { 2933 /* copy in the chunks */ 2934 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2935 sac->gauth_number_of_chunks = (uint32_t)size; 2936 *optsize = sizeof(struct sctp_authchunks) + size; 2937 } 2938 SCTP_TCB_UNLOCK(stcb); 2939 } else { 2940 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2941 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2942 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2943 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2944 /* get off the endpoint */ 2945 SCTP_INP_RLOCK(inp); 2946 chklist = inp->sctp_ep.local_auth_chunks; 2947 /* is there enough space? */ 2948 size = sctp_auth_get_chklist_size(chklist); 2949 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2950 error = EINVAL; 2951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2952 } else { 2953 /* copy in the chunks */ 2954 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2955 sac->gauth_number_of_chunks = (uint32_t)size; 2956 *optsize = sizeof(struct sctp_authchunks) + size; 2957 } 2958 SCTP_INP_RUNLOCK(inp); 2959 } else { 2960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2961 error = EINVAL; 2962 } 2963 } 2964 break; 2965 } 2966 case SCTP_PEER_AUTH_CHUNKS: 2967 { 2968 struct sctp_authchunks *sac; 2969 sctp_auth_chklist_t *chklist = NULL; 2970 size_t size = 0; 2971 2972 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2973 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2974 2975 if (stcb) { 2976 /* get off the assoc */ 2977 chklist = stcb->asoc.peer_auth_chunks; 2978 /* is there enough space? */ 2979 size = sctp_auth_get_chklist_size(chklist); 2980 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2981 error = EINVAL; 2982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2983 } else { 2984 /* copy in the chunks */ 2985 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2986 sac->gauth_number_of_chunks = (uint32_t)size; 2987 *optsize = sizeof(struct sctp_authchunks) + size; 2988 } 2989 SCTP_TCB_UNLOCK(stcb); 2990 } else { 2991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2992 error = ENOENT; 2993 } 2994 break; 2995 } 2996 case SCTP_EVENT: 2997 { 2998 struct sctp_event *event; 2999 uint32_t event_type; 3000 3001 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3002 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3003 3004 switch (event->se_type) { 3005 case SCTP_ASSOC_CHANGE: 3006 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3007 break; 3008 case SCTP_PEER_ADDR_CHANGE: 3009 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3010 break; 3011 case SCTP_REMOTE_ERROR: 3012 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3013 break; 3014 case SCTP_SEND_FAILED: 3015 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3016 break; 3017 case SCTP_SHUTDOWN_EVENT: 3018 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3019 break; 3020 case SCTP_ADAPTATION_INDICATION: 3021 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3022 break; 3023 case SCTP_PARTIAL_DELIVERY_EVENT: 3024 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3025 break; 3026 case SCTP_AUTHENTICATION_EVENT: 3027 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3028 break; 3029 case SCTP_STREAM_RESET_EVENT: 3030 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3031 break; 3032 case SCTP_SENDER_DRY_EVENT: 3033 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3034 break; 3035 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3036 event_type = 0; 3037 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3038 error = ENOTSUP; 3039 break; 3040 case SCTP_ASSOC_RESET_EVENT: 3041 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3042 break; 3043 case SCTP_STREAM_CHANGE_EVENT: 3044 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3045 break; 3046 case SCTP_SEND_FAILED_EVENT: 3047 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3048 break; 3049 default: 3050 event_type = 0; 3051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3052 error = EINVAL; 3053 break; 3054 } 3055 if (event_type > 0) { 3056 if (stcb) { 3057 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3058 } else { 3059 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3060 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3061 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3062 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3063 SCTP_INP_RLOCK(inp); 3064 event->se_on = sctp_is_feature_on(inp, event_type); 3065 SCTP_INP_RUNLOCK(inp); 3066 } else { 3067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3068 error = EINVAL; 3069 } 3070 } 3071 } 3072 if (stcb != NULL) { 3073 SCTP_TCB_UNLOCK(stcb); 3074 } 3075 if (error == 0) { 3076 *optsize = sizeof(struct sctp_event); 3077 } 3078 break; 3079 } 3080 case SCTP_RECVRCVINFO: 3081 { 3082 int onoff; 3083 3084 if (*optsize < sizeof(int)) { 3085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3086 error = EINVAL; 3087 } else { 3088 SCTP_INP_RLOCK(inp); 3089 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3090 SCTP_INP_RUNLOCK(inp); 3091 } 3092 if (error == 0) { 3093 /* return the option value */ 3094 *(int *)optval = onoff; 3095 *optsize = sizeof(int); 3096 } 3097 break; 3098 } 3099 case SCTP_RECVNXTINFO: 3100 { 3101 int onoff; 3102 3103 if (*optsize < sizeof(int)) { 3104 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3105 error = EINVAL; 3106 } else { 3107 SCTP_INP_RLOCK(inp); 3108 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3109 SCTP_INP_RUNLOCK(inp); 3110 } 3111 if (error == 0) { 3112 /* return the option value */ 3113 *(int *)optval = onoff; 3114 *optsize = sizeof(int); 3115 } 3116 break; 3117 } 3118 case SCTP_DEFAULT_SNDINFO: 3119 { 3120 struct sctp_sndinfo *info; 3121 3122 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3123 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3124 3125 if (stcb) { 3126 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3127 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3128 info->snd_flags &= 0xfff0; 3129 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3130 info->snd_context = stcb->asoc.def_send.sinfo_context; 3131 SCTP_TCB_UNLOCK(stcb); 3132 } else { 3133 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3134 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3135 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3136 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3137 SCTP_INP_RLOCK(inp); 3138 info->snd_sid = inp->def_send.sinfo_stream; 3139 info->snd_flags = inp->def_send.sinfo_flags; 3140 info->snd_flags &= 0xfff0; 3141 info->snd_ppid = inp->def_send.sinfo_ppid; 3142 info->snd_context = inp->def_send.sinfo_context; 3143 SCTP_INP_RUNLOCK(inp); 3144 } else { 3145 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3146 error = EINVAL; 3147 } 3148 } 3149 if (error == 0) { 3150 *optsize = sizeof(struct sctp_sndinfo); 3151 } 3152 break; 3153 } 3154 case SCTP_DEFAULT_PRINFO: 3155 { 3156 struct sctp_default_prinfo *info; 3157 3158 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3159 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3160 3161 if (stcb) { 3162 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3163 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3164 SCTP_TCB_UNLOCK(stcb); 3165 } else { 3166 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3167 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3168 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3169 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3170 SCTP_INP_RLOCK(inp); 3171 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3172 info->pr_value = inp->def_send.sinfo_timetolive; 3173 SCTP_INP_RUNLOCK(inp); 3174 } else { 3175 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3176 error = EINVAL; 3177 } 3178 } 3179 if (error == 0) { 3180 *optsize = sizeof(struct sctp_default_prinfo); 3181 } 3182 break; 3183 } 3184 case SCTP_PEER_ADDR_THLDS: 3185 { 3186 struct sctp_paddrthlds *thlds; 3187 struct sctp_nets *net; 3188 struct sockaddr *addr; 3189 #if defined(INET) && defined(INET6) 3190 struct sockaddr_in sin_store; 3191 #endif 3192 3193 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3194 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3195 3196 #if defined(INET) && defined(INET6) 3197 if (thlds->spt_address.ss_family == AF_INET6) { 3198 struct sockaddr_in6 *sin6; 3199 3200 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3201 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3202 in6_sin6_2_sin(&sin_store, sin6); 3203 addr = (struct sockaddr *)&sin_store; 3204 } else { 3205 addr = (struct sockaddr *)&thlds->spt_address; 3206 } 3207 } else { 3208 addr = (struct sockaddr *)&thlds->spt_address; 3209 } 3210 #else 3211 addr = (struct sockaddr *)&thlds->spt_address; 3212 #endif 3213 if (stcb != NULL) { 3214 net = sctp_findnet(stcb, addr); 3215 } else { 3216 /* 3217 * We increment here since 3218 * sctp_findassociation_ep_addr() wil do a 3219 * decrement if it finds the stcb as long as 3220 * the locked tcb (last argument) is NOT a 3221 * TCB.. aka NULL. 3222 */ 3223 net = NULL; 3224 SCTP_INP_INCR_REF(inp); 3225 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3226 if (stcb == NULL) { 3227 SCTP_INP_DECR_REF(inp); 3228 } 3229 } 3230 if ((stcb != NULL) && (net == NULL)) { 3231 #ifdef INET 3232 if (addr->sa_family == AF_INET) { 3233 struct sockaddr_in *sin; 3234 3235 sin = (struct sockaddr_in *)addr; 3236 if (sin->sin_addr.s_addr != INADDR_ANY) { 3237 error = EINVAL; 3238 SCTP_TCB_UNLOCK(stcb); 3239 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3240 break; 3241 } 3242 } else 3243 #endif 3244 #ifdef INET6 3245 if (addr->sa_family == AF_INET6) { 3246 struct sockaddr_in6 *sin6; 3247 3248 sin6 = (struct sockaddr_in6 *)addr; 3249 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3250 error = EINVAL; 3251 SCTP_TCB_UNLOCK(stcb); 3252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3253 break; 3254 } 3255 } else 3256 #endif 3257 { 3258 error = EAFNOSUPPORT; 3259 SCTP_TCB_UNLOCK(stcb); 3260 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3261 break; 3262 } 3263 } 3264 3265 if (stcb != NULL) { 3266 if (net != NULL) { 3267 thlds->spt_pathmaxrxt = net->failure_threshold; 3268 thlds->spt_pathpfthld = net->pf_threshold; 3269 thlds->spt_pathcpthld = 0xffff; 3270 } else { 3271 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3272 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3273 thlds->spt_pathcpthld = 0xffff; 3274 } 3275 thlds->spt_assoc_id = sctp_get_associd(stcb); 3276 SCTP_TCB_UNLOCK(stcb); 3277 } else { 3278 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3279 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3280 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3281 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3282 /* Use endpoint defaults */ 3283 SCTP_INP_RLOCK(inp); 3284 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3285 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3286 thlds->spt_pathcpthld = 0xffff; 3287 SCTP_INP_RUNLOCK(inp); 3288 } else { 3289 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3290 error = EINVAL; 3291 } 3292 } 3293 if (error == 0) { 3294 *optsize = sizeof(struct sctp_paddrthlds); 3295 } 3296 break; 3297 } 3298 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3299 { 3300 struct sctp_udpencaps *encaps; 3301 struct sctp_nets *net; 3302 struct sockaddr *addr; 3303 #if defined(INET) && defined(INET6) 3304 struct sockaddr_in sin_store; 3305 #endif 3306 3307 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3308 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3309 3310 #if defined(INET) && defined(INET6) 3311 if (encaps->sue_address.ss_family == AF_INET6) { 3312 struct sockaddr_in6 *sin6; 3313 3314 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3315 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3316 in6_sin6_2_sin(&sin_store, sin6); 3317 addr = (struct sockaddr *)&sin_store; 3318 } else { 3319 addr = (struct sockaddr *)&encaps->sue_address; 3320 } 3321 } else { 3322 addr = (struct sockaddr *)&encaps->sue_address; 3323 } 3324 #else 3325 addr = (struct sockaddr *)&encaps->sue_address; 3326 #endif 3327 if (stcb) { 3328 net = sctp_findnet(stcb, addr); 3329 } else { 3330 /* 3331 * We increment here since 3332 * sctp_findassociation_ep_addr() wil do a 3333 * decrement if it finds the stcb as long as 3334 * the locked tcb (last argument) is NOT a 3335 * TCB.. aka NULL. 3336 */ 3337 net = NULL; 3338 SCTP_INP_INCR_REF(inp); 3339 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3340 if (stcb == NULL) { 3341 SCTP_INP_DECR_REF(inp); 3342 } 3343 } 3344 if ((stcb != NULL) && (net == NULL)) { 3345 #ifdef INET 3346 if (addr->sa_family == AF_INET) { 3347 struct sockaddr_in *sin; 3348 3349 sin = (struct sockaddr_in *)addr; 3350 if (sin->sin_addr.s_addr != INADDR_ANY) { 3351 error = EINVAL; 3352 SCTP_TCB_UNLOCK(stcb); 3353 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3354 break; 3355 } 3356 } else 3357 #endif 3358 #ifdef INET6 3359 if (addr->sa_family == AF_INET6) { 3360 struct sockaddr_in6 *sin6; 3361 3362 sin6 = (struct sockaddr_in6 *)addr; 3363 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3364 error = EINVAL; 3365 SCTP_TCB_UNLOCK(stcb); 3366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3367 break; 3368 } 3369 } else 3370 #endif 3371 { 3372 error = EAFNOSUPPORT; 3373 SCTP_TCB_UNLOCK(stcb); 3374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3375 break; 3376 } 3377 } 3378 3379 if (stcb != NULL) { 3380 if (net) { 3381 encaps->sue_port = net->port; 3382 } else { 3383 encaps->sue_port = stcb->asoc.port; 3384 } 3385 SCTP_TCB_UNLOCK(stcb); 3386 } else { 3387 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3388 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3389 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3390 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3391 SCTP_INP_RLOCK(inp); 3392 encaps->sue_port = inp->sctp_ep.port; 3393 SCTP_INP_RUNLOCK(inp); 3394 } else { 3395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3396 error = EINVAL; 3397 } 3398 } 3399 if (error == 0) { 3400 *optsize = sizeof(struct sctp_udpencaps); 3401 } 3402 break; 3403 } 3404 case SCTP_ECN_SUPPORTED: 3405 { 3406 struct sctp_assoc_value *av; 3407 3408 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3409 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3410 3411 if (stcb) { 3412 av->assoc_value = stcb->asoc.ecn_supported; 3413 SCTP_TCB_UNLOCK(stcb); 3414 } else { 3415 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3416 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3417 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3418 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3419 SCTP_INP_RLOCK(inp); 3420 av->assoc_value = inp->ecn_supported; 3421 SCTP_INP_RUNLOCK(inp); 3422 } else { 3423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3424 error = EINVAL; 3425 } 3426 } 3427 if (error == 0) { 3428 *optsize = sizeof(struct sctp_assoc_value); 3429 } 3430 break; 3431 } 3432 case SCTP_PR_SUPPORTED: 3433 { 3434 struct sctp_assoc_value *av; 3435 3436 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3437 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3438 3439 if (stcb) { 3440 av->assoc_value = stcb->asoc.prsctp_supported; 3441 SCTP_TCB_UNLOCK(stcb); 3442 } else { 3443 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3444 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3445 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3446 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3447 SCTP_INP_RLOCK(inp); 3448 av->assoc_value = inp->prsctp_supported; 3449 SCTP_INP_RUNLOCK(inp); 3450 } else { 3451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3452 error = EINVAL; 3453 } 3454 } 3455 if (error == 0) { 3456 *optsize = sizeof(struct sctp_assoc_value); 3457 } 3458 break; 3459 } 3460 case SCTP_AUTH_SUPPORTED: 3461 { 3462 struct sctp_assoc_value *av; 3463 3464 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3465 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3466 3467 if (stcb) { 3468 av->assoc_value = stcb->asoc.auth_supported; 3469 SCTP_TCB_UNLOCK(stcb); 3470 } else { 3471 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3472 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3473 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3474 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3475 SCTP_INP_RLOCK(inp); 3476 av->assoc_value = inp->auth_supported; 3477 SCTP_INP_RUNLOCK(inp); 3478 } else { 3479 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3480 error = EINVAL; 3481 } 3482 } 3483 if (error == 0) { 3484 *optsize = sizeof(struct sctp_assoc_value); 3485 } 3486 break; 3487 } 3488 case SCTP_ASCONF_SUPPORTED: 3489 { 3490 struct sctp_assoc_value *av; 3491 3492 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3493 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3494 3495 if (stcb) { 3496 av->assoc_value = stcb->asoc.asconf_supported; 3497 SCTP_TCB_UNLOCK(stcb); 3498 } else { 3499 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3500 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3501 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3502 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3503 SCTP_INP_RLOCK(inp); 3504 av->assoc_value = inp->asconf_supported; 3505 SCTP_INP_RUNLOCK(inp); 3506 } else { 3507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3508 error = EINVAL; 3509 } 3510 } 3511 if (error == 0) { 3512 *optsize = sizeof(struct sctp_assoc_value); 3513 } 3514 break; 3515 } 3516 case SCTP_RECONFIG_SUPPORTED: 3517 { 3518 struct sctp_assoc_value *av; 3519 3520 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3521 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3522 3523 if (stcb) { 3524 av->assoc_value = stcb->asoc.reconfig_supported; 3525 SCTP_TCB_UNLOCK(stcb); 3526 } else { 3527 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3528 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3529 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3530 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3531 SCTP_INP_RLOCK(inp); 3532 av->assoc_value = inp->reconfig_supported; 3533 SCTP_INP_RUNLOCK(inp); 3534 } else { 3535 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3536 error = EINVAL; 3537 } 3538 } 3539 if (error == 0) { 3540 *optsize = sizeof(struct sctp_assoc_value); 3541 } 3542 break; 3543 } 3544 case SCTP_NRSACK_SUPPORTED: 3545 { 3546 struct sctp_assoc_value *av; 3547 3548 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3549 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3550 3551 if (stcb) { 3552 av->assoc_value = stcb->asoc.nrsack_supported; 3553 SCTP_TCB_UNLOCK(stcb); 3554 } else { 3555 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3556 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3557 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3558 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3559 SCTP_INP_RLOCK(inp); 3560 av->assoc_value = inp->nrsack_supported; 3561 SCTP_INP_RUNLOCK(inp); 3562 } else { 3563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3564 error = EINVAL; 3565 } 3566 } 3567 if (error == 0) { 3568 *optsize = sizeof(struct sctp_assoc_value); 3569 } 3570 break; 3571 } 3572 case SCTP_PKTDROP_SUPPORTED: 3573 { 3574 struct sctp_assoc_value *av; 3575 3576 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3577 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3578 3579 if (stcb) { 3580 av->assoc_value = stcb->asoc.pktdrop_supported; 3581 SCTP_TCB_UNLOCK(stcb); 3582 } else { 3583 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3584 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3585 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3586 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3587 SCTP_INP_RLOCK(inp); 3588 av->assoc_value = inp->pktdrop_supported; 3589 SCTP_INP_RUNLOCK(inp); 3590 } else { 3591 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3592 error = EINVAL; 3593 } 3594 } 3595 if (error == 0) { 3596 *optsize = sizeof(struct sctp_assoc_value); 3597 } 3598 break; 3599 } 3600 case SCTP_ENABLE_STREAM_RESET: 3601 { 3602 struct sctp_assoc_value *av; 3603 3604 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3605 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3606 3607 if (stcb) { 3608 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3609 SCTP_TCB_UNLOCK(stcb); 3610 } else { 3611 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3612 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3613 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3614 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3615 SCTP_INP_RLOCK(inp); 3616 av->assoc_value = (uint32_t)inp->local_strreset_support; 3617 SCTP_INP_RUNLOCK(inp); 3618 } else { 3619 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3620 error = EINVAL; 3621 } 3622 } 3623 if (error == 0) { 3624 *optsize = sizeof(struct sctp_assoc_value); 3625 } 3626 break; 3627 } 3628 case SCTP_PR_STREAM_STATUS: 3629 { 3630 struct sctp_prstatus *sprstat; 3631 uint16_t sid; 3632 uint16_t policy; 3633 3634 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3635 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3636 3637 sid = sprstat->sprstat_sid; 3638 policy = sprstat->sprstat_policy; 3639 #if defined(SCTP_DETAILED_STR_STATS) 3640 if ((stcb != NULL) && 3641 (sid < stcb->asoc.streamoutcnt) && 3642 (policy != SCTP_PR_SCTP_NONE) && 3643 ((policy <= SCTP_PR_SCTP_MAX) || 3644 (policy == SCTP_PR_SCTP_ALL))) { 3645 if (policy == SCTP_PR_SCTP_ALL) { 3646 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3647 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3648 } else { 3649 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3650 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3651 } 3652 #else 3653 if ((stcb != NULL) && 3654 (sid < stcb->asoc.streamoutcnt) && 3655 (policy == SCTP_PR_SCTP_ALL)) { 3656 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3657 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3658 #endif 3659 } else { 3660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3661 error = EINVAL; 3662 } 3663 if (stcb != NULL) { 3664 SCTP_TCB_UNLOCK(stcb); 3665 } 3666 if (error == 0) { 3667 *optsize = sizeof(struct sctp_prstatus); 3668 } 3669 break; 3670 } 3671 case SCTP_PR_ASSOC_STATUS: 3672 { 3673 struct sctp_prstatus *sprstat; 3674 uint16_t policy; 3675 3676 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3677 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3678 3679 policy = sprstat->sprstat_policy; 3680 if ((stcb != NULL) && 3681 (policy != SCTP_PR_SCTP_NONE) && 3682 ((policy <= SCTP_PR_SCTP_MAX) || 3683 (policy == SCTP_PR_SCTP_ALL))) { 3684 if (policy == SCTP_PR_SCTP_ALL) { 3685 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3686 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3687 } else { 3688 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3689 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3690 } 3691 } else { 3692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3693 error = EINVAL; 3694 } 3695 if (stcb != NULL) { 3696 SCTP_TCB_UNLOCK(stcb); 3697 } 3698 if (error == 0) { 3699 *optsize = sizeof(struct sctp_prstatus); 3700 } 3701 break; 3702 } 3703 case SCTP_MAX_CWND: 3704 { 3705 struct sctp_assoc_value *av; 3706 3707 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3708 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3709 3710 if (stcb) { 3711 av->assoc_value = stcb->asoc.max_cwnd; 3712 SCTP_TCB_UNLOCK(stcb); 3713 } else { 3714 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3715 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3716 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3717 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3718 SCTP_INP_RLOCK(inp); 3719 av->assoc_value = inp->max_cwnd; 3720 SCTP_INP_RUNLOCK(inp); 3721 } else { 3722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3723 error = EINVAL; 3724 } 3725 } 3726 if (error == 0) { 3727 *optsize = sizeof(struct sctp_assoc_value); 3728 } 3729 break; 3730 } 3731 default: 3732 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3733 error = ENOPROTOOPT; 3734 break; 3735 } /* end switch (sopt->sopt_name) */ 3736 if (error) { 3737 *optsize = 0; 3738 } 3739 return (error); 3740 } 3741 3742 static int 3743 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3744 void *p) 3745 { 3746 int error, set_opt; 3747 uint32_t *mopt; 3748 struct sctp_tcb *stcb = NULL; 3749 struct sctp_inpcb *inp = NULL; 3750 uint32_t vrf_id; 3751 3752 if (optval == NULL) { 3753 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3754 return (EINVAL); 3755 } 3756 inp = (struct sctp_inpcb *)so->so_pcb; 3757 if (inp == NULL) { 3758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3759 return (EINVAL); 3760 } 3761 vrf_id = inp->def_vrf_id; 3762 3763 error = 0; 3764 switch (optname) { 3765 case SCTP_NODELAY: 3766 case SCTP_AUTOCLOSE: 3767 case SCTP_AUTO_ASCONF: 3768 case SCTP_EXPLICIT_EOR: 3769 case SCTP_DISABLE_FRAGMENTS: 3770 case SCTP_USE_EXT_RCVINFO: 3771 case SCTP_I_WANT_MAPPED_V4_ADDR: 3772 /* copy in the option value */ 3773 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3774 set_opt = 0; 3775 if (error) 3776 break; 3777 switch (optname) { 3778 case SCTP_DISABLE_FRAGMENTS: 3779 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3780 break; 3781 case SCTP_AUTO_ASCONF: 3782 /* 3783 * NOTE: we don't really support this flag 3784 */ 3785 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3786 /* only valid for bound all sockets */ 3787 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3788 (*mopt != 0)) { 3789 /* forbidden by admin */ 3790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3791 return (EPERM); 3792 } 3793 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3794 } else { 3795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3796 return (EINVAL); 3797 } 3798 break; 3799 case SCTP_EXPLICIT_EOR: 3800 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3801 break; 3802 case SCTP_USE_EXT_RCVINFO: 3803 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3804 break; 3805 case SCTP_I_WANT_MAPPED_V4_ADDR: 3806 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3807 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3808 } else { 3809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3810 return (EINVAL); 3811 } 3812 break; 3813 case SCTP_NODELAY: 3814 set_opt = SCTP_PCB_FLAGS_NODELAY; 3815 break; 3816 case SCTP_AUTOCLOSE: 3817 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3818 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3820 return (EINVAL); 3821 } 3822 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3823 /* 3824 * The value is in ticks. Note this does not effect 3825 * old associations, only new ones. 3826 */ 3827 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3828 break; 3829 } 3830 SCTP_INP_WLOCK(inp); 3831 if (*mopt != 0) { 3832 sctp_feature_on(inp, set_opt); 3833 } else { 3834 sctp_feature_off(inp, set_opt); 3835 } 3836 SCTP_INP_WUNLOCK(inp); 3837 break; 3838 case SCTP_REUSE_PORT: 3839 { 3840 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3841 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3842 /* Can't set it after we are bound */ 3843 error = EINVAL; 3844 break; 3845 } 3846 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3847 /* Can't do this for a 1-m socket */ 3848 error = EINVAL; 3849 break; 3850 } 3851 if (optval) 3852 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3853 else 3854 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3855 break; 3856 } 3857 case SCTP_PARTIAL_DELIVERY_POINT: 3858 { 3859 uint32_t *value; 3860 3861 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3862 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3864 error = EINVAL; 3865 break; 3866 } 3867 inp->partial_delivery_point = *value; 3868 break; 3869 } 3870 case SCTP_FRAGMENT_INTERLEAVE: 3871 /* not yet until we re-write sctp_recvmsg() */ 3872 { 3873 uint32_t *level; 3874 3875 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3876 if (*level == SCTP_FRAG_LEVEL_2) { 3877 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3878 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3879 } else if (*level == SCTP_FRAG_LEVEL_1) { 3880 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3881 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3882 } else if (*level == SCTP_FRAG_LEVEL_0) { 3883 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3884 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3885 3886 } else { 3887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3888 error = EINVAL; 3889 } 3890 break; 3891 } 3892 case SCTP_INTERLEAVING_SUPPORTED: 3893 { 3894 struct sctp_assoc_value *av; 3895 3896 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3897 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3898 3899 if (stcb) { 3900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3901 error = EINVAL; 3902 SCTP_TCB_UNLOCK(stcb); 3903 } else { 3904 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3905 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3906 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3907 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3908 SCTP_INP_WLOCK(inp); 3909 if (av->assoc_value == 0) { 3910 inp->idata_supported = 0; 3911 } else { 3912 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3913 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3914 inp->idata_supported = 1; 3915 } else { 3916 /* 3917 * Must have Frag 3918 * interleave and 3919 * stream interleave 3920 * on 3921 */ 3922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3923 error = EINVAL; 3924 } 3925 } 3926 SCTP_INP_WUNLOCK(inp); 3927 } else { 3928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3929 error = EINVAL; 3930 } 3931 } 3932 break; 3933 } 3934 case SCTP_CMT_ON_OFF: 3935 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3936 struct sctp_assoc_value *av; 3937 3938 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3939 if (av->assoc_value > SCTP_CMT_MAX) { 3940 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3941 error = EINVAL; 3942 break; 3943 } 3944 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3945 if (stcb) { 3946 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3947 SCTP_TCB_UNLOCK(stcb); 3948 } else { 3949 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3950 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3951 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3952 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3953 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3954 SCTP_INP_WLOCK(inp); 3955 inp->sctp_cmt_on_off = av->assoc_value; 3956 SCTP_INP_WUNLOCK(inp); 3957 } 3958 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3959 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3960 (av->assoc_id == SCTP_ALL_ASSOC))) { 3961 SCTP_INP_RLOCK(inp); 3962 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3963 SCTP_TCB_LOCK(stcb); 3964 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3965 SCTP_TCB_UNLOCK(stcb); 3966 } 3967 SCTP_INP_RUNLOCK(inp); 3968 } 3969 } 3970 } else { 3971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3972 error = ENOPROTOOPT; 3973 } 3974 break; 3975 case SCTP_PLUGGABLE_CC: 3976 { 3977 struct sctp_assoc_value *av; 3978 struct sctp_nets *net; 3979 3980 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3981 if ((av->assoc_value != SCTP_CC_RFC2581) && 3982 (av->assoc_value != SCTP_CC_HSTCP) && 3983 (av->assoc_value != SCTP_CC_HTCP) && 3984 (av->assoc_value != SCTP_CC_RTCC)) { 3985 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3986 error = EINVAL; 3987 break; 3988 } 3989 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3990 if (stcb) { 3991 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3992 stcb->asoc.congestion_control_module = av->assoc_value; 3993 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3994 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3995 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3996 } 3997 } 3998 SCTP_TCB_UNLOCK(stcb); 3999 } else { 4000 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4001 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4002 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4003 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4004 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4005 SCTP_INP_WLOCK(inp); 4006 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4007 SCTP_INP_WUNLOCK(inp); 4008 } 4009 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4010 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4011 (av->assoc_id == SCTP_ALL_ASSOC))) { 4012 SCTP_INP_RLOCK(inp); 4013 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4014 SCTP_TCB_LOCK(stcb); 4015 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4016 stcb->asoc.congestion_control_module = av->assoc_value; 4017 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4018 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4019 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4020 } 4021 } 4022 SCTP_TCB_UNLOCK(stcb); 4023 } 4024 SCTP_INP_RUNLOCK(inp); 4025 } 4026 } 4027 break; 4028 } 4029 case SCTP_CC_OPTION: 4030 { 4031 struct sctp_cc_option *cc_opt; 4032 4033 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4034 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4035 if (stcb == NULL) { 4036 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4037 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4038 SCTP_INP_RLOCK(inp); 4039 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4040 SCTP_TCB_LOCK(stcb); 4041 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4042 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4043 } 4044 SCTP_TCB_UNLOCK(stcb); 4045 } 4046 SCTP_INP_RUNLOCK(inp); 4047 } else { 4048 error = EINVAL; 4049 } 4050 } else { 4051 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4052 error = ENOTSUP; 4053 } else { 4054 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4055 cc_opt); 4056 } 4057 SCTP_TCB_UNLOCK(stcb); 4058 } 4059 break; 4060 } 4061 case SCTP_PLUGGABLE_SS: 4062 { 4063 struct sctp_assoc_value *av; 4064 4065 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4066 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4067 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4068 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4069 (av->assoc_value != SCTP_SS_PRIORITY) && 4070 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4071 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4073 error = EINVAL; 4074 break; 4075 } 4076 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4077 if (stcb) { 4078 SCTP_TCB_SEND_LOCK(stcb); 4079 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4080 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4081 stcb->asoc.stream_scheduling_module = av->assoc_value; 4082 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4083 SCTP_TCB_SEND_UNLOCK(stcb); 4084 SCTP_TCB_UNLOCK(stcb); 4085 } else { 4086 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4087 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4088 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4089 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4090 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4091 SCTP_INP_WLOCK(inp); 4092 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4093 SCTP_INP_WUNLOCK(inp); 4094 } 4095 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4096 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4097 (av->assoc_id == SCTP_ALL_ASSOC))) { 4098 SCTP_INP_RLOCK(inp); 4099 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4100 SCTP_TCB_LOCK(stcb); 4101 SCTP_TCB_SEND_LOCK(stcb); 4102 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4103 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4104 stcb->asoc.stream_scheduling_module = av->assoc_value; 4105 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4106 SCTP_TCB_SEND_UNLOCK(stcb); 4107 SCTP_TCB_UNLOCK(stcb); 4108 } 4109 SCTP_INP_RUNLOCK(inp); 4110 } 4111 } 4112 break; 4113 } 4114 case SCTP_SS_VALUE: 4115 { 4116 struct sctp_stream_value *av; 4117 4118 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4119 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4120 if (stcb) { 4121 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4122 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4123 av->stream_value) < 0)) { 4124 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4125 error = EINVAL; 4126 } 4127 SCTP_TCB_UNLOCK(stcb); 4128 } else { 4129 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4130 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4131 SCTP_INP_RLOCK(inp); 4132 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4133 SCTP_TCB_LOCK(stcb); 4134 if (av->stream_id < stcb->asoc.streamoutcnt) { 4135 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4136 &stcb->asoc, 4137 &stcb->asoc.strmout[av->stream_id], 4138 av->stream_value); 4139 } 4140 SCTP_TCB_UNLOCK(stcb); 4141 } 4142 SCTP_INP_RUNLOCK(inp); 4143 } else { 4144 /* 4145 * Can't set stream value without 4146 * association 4147 */ 4148 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4149 error = EINVAL; 4150 } 4151 } 4152 break; 4153 } 4154 case SCTP_CLR_STAT_LOG: 4155 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4156 error = EOPNOTSUPP; 4157 break; 4158 case SCTP_CONTEXT: 4159 { 4160 struct sctp_assoc_value *av; 4161 4162 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4163 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4164 4165 if (stcb) { 4166 stcb->asoc.context = av->assoc_value; 4167 SCTP_TCB_UNLOCK(stcb); 4168 } else { 4169 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4170 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4171 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4172 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4173 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4174 SCTP_INP_WLOCK(inp); 4175 inp->sctp_context = av->assoc_value; 4176 SCTP_INP_WUNLOCK(inp); 4177 } 4178 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4179 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4180 (av->assoc_id == SCTP_ALL_ASSOC))) { 4181 SCTP_INP_RLOCK(inp); 4182 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4183 SCTP_TCB_LOCK(stcb); 4184 stcb->asoc.context = av->assoc_value; 4185 SCTP_TCB_UNLOCK(stcb); 4186 } 4187 SCTP_INP_RUNLOCK(inp); 4188 } 4189 } 4190 break; 4191 } 4192 case SCTP_VRF_ID: 4193 { 4194 uint32_t *default_vrfid; 4195 4196 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4197 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4198 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4199 error = EINVAL; 4200 break; 4201 } 4202 inp->def_vrf_id = *default_vrfid; 4203 break; 4204 } 4205 case SCTP_DEL_VRF_ID: 4206 { 4207 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4208 error = EOPNOTSUPP; 4209 break; 4210 } 4211 case SCTP_ADD_VRF_ID: 4212 { 4213 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4214 error = EOPNOTSUPP; 4215 break; 4216 } 4217 case SCTP_DELAYED_SACK: 4218 { 4219 struct sctp_sack_info *sack; 4220 4221 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4222 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4223 if (sack->sack_delay) { 4224 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4225 error = EINVAL; 4226 if (stcb != NULL) { 4227 SCTP_TCB_UNLOCK(stcb); 4228 } 4229 break; 4230 } 4231 } 4232 if (stcb) { 4233 if (sack->sack_delay) { 4234 stcb->asoc.delayed_ack = sack->sack_delay; 4235 } 4236 if (sack->sack_freq) { 4237 stcb->asoc.sack_freq = sack->sack_freq; 4238 } 4239 SCTP_TCB_UNLOCK(stcb); 4240 } else { 4241 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4242 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4243 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4244 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4245 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4246 SCTP_INP_WLOCK(inp); 4247 if (sack->sack_delay) { 4248 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4249 } 4250 if (sack->sack_freq) { 4251 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4252 } 4253 SCTP_INP_WUNLOCK(inp); 4254 } 4255 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4256 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4257 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4258 SCTP_INP_RLOCK(inp); 4259 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4260 SCTP_TCB_LOCK(stcb); 4261 if (sack->sack_delay) { 4262 stcb->asoc.delayed_ack = sack->sack_delay; 4263 } 4264 if (sack->sack_freq) { 4265 stcb->asoc.sack_freq = sack->sack_freq; 4266 } 4267 SCTP_TCB_UNLOCK(stcb); 4268 } 4269 SCTP_INP_RUNLOCK(inp); 4270 } 4271 } 4272 break; 4273 } 4274 case SCTP_AUTH_CHUNK: 4275 { 4276 struct sctp_authchunk *sauth; 4277 4278 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4279 4280 SCTP_INP_WLOCK(inp); 4281 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4282 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4283 error = EINVAL; 4284 } else { 4285 inp->auth_supported = 1; 4286 } 4287 SCTP_INP_WUNLOCK(inp); 4288 break; 4289 } 4290 case SCTP_AUTH_KEY: 4291 { 4292 struct sctp_authkey *sca; 4293 struct sctp_keyhead *shared_keys; 4294 sctp_sharedkey_t *shared_key; 4295 sctp_key_t *key = NULL; 4296 size_t size; 4297 4298 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4299 if (sca->sca_keylength == 0) { 4300 size = optsize - sizeof(struct sctp_authkey); 4301 } else { 4302 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4303 size = sca->sca_keylength; 4304 } else { 4305 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4306 error = EINVAL; 4307 break; 4308 } 4309 } 4310 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4311 4312 if (stcb) { 4313 shared_keys = &stcb->asoc.shared_keys; 4314 /* clear the cached keys for this key id */ 4315 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4316 /* 4317 * create the new shared key and 4318 * insert/replace it 4319 */ 4320 if (size > 0) { 4321 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4322 if (key == NULL) { 4323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4324 error = ENOMEM; 4325 SCTP_TCB_UNLOCK(stcb); 4326 break; 4327 } 4328 } 4329 shared_key = sctp_alloc_sharedkey(); 4330 if (shared_key == NULL) { 4331 sctp_free_key(key); 4332 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4333 error = ENOMEM; 4334 SCTP_TCB_UNLOCK(stcb); 4335 break; 4336 } 4337 shared_key->key = key; 4338 shared_key->keyid = sca->sca_keynumber; 4339 error = sctp_insert_sharedkey(shared_keys, shared_key); 4340 SCTP_TCB_UNLOCK(stcb); 4341 } else { 4342 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4343 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4344 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4345 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4346 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4347 SCTP_INP_WLOCK(inp); 4348 shared_keys = &inp->sctp_ep.shared_keys; 4349 /* 4350 * clear the cached keys on all 4351 * assocs for this key id 4352 */ 4353 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4354 /* 4355 * create the new shared key and 4356 * insert/replace it 4357 */ 4358 if (size > 0) { 4359 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4360 if (key == NULL) { 4361 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4362 error = ENOMEM; 4363 SCTP_INP_WUNLOCK(inp); 4364 break; 4365 } 4366 } 4367 shared_key = sctp_alloc_sharedkey(); 4368 if (shared_key == NULL) { 4369 sctp_free_key(key); 4370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4371 error = ENOMEM; 4372 SCTP_INP_WUNLOCK(inp); 4373 break; 4374 } 4375 shared_key->key = key; 4376 shared_key->keyid = sca->sca_keynumber; 4377 error = sctp_insert_sharedkey(shared_keys, shared_key); 4378 SCTP_INP_WUNLOCK(inp); 4379 } 4380 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4381 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4382 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4383 SCTP_INP_RLOCK(inp); 4384 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4385 SCTP_TCB_LOCK(stcb); 4386 shared_keys = &stcb->asoc.shared_keys; 4387 /* 4388 * clear the cached keys for 4389 * this key id 4390 */ 4391 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4392 /* 4393 * create the new shared key 4394 * and insert/replace it 4395 */ 4396 if (size > 0) { 4397 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4398 if (key == NULL) { 4399 SCTP_TCB_UNLOCK(stcb); 4400 continue; 4401 } 4402 } 4403 shared_key = sctp_alloc_sharedkey(); 4404 if (shared_key == NULL) { 4405 sctp_free_key(key); 4406 SCTP_TCB_UNLOCK(stcb); 4407 continue; 4408 } 4409 shared_key->key = key; 4410 shared_key->keyid = sca->sca_keynumber; 4411 error = sctp_insert_sharedkey(shared_keys, shared_key); 4412 SCTP_TCB_UNLOCK(stcb); 4413 } 4414 SCTP_INP_RUNLOCK(inp); 4415 } 4416 } 4417 break; 4418 } 4419 case SCTP_HMAC_IDENT: 4420 { 4421 struct sctp_hmacalgo *shmac; 4422 sctp_hmaclist_t *hmaclist; 4423 uint16_t hmacid; 4424 uint32_t i; 4425 4426 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4427 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4428 (shmac->shmac_number_of_idents > 0xffff)) { 4429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4430 error = EINVAL; 4431 break; 4432 } 4433 4434 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4435 if (hmaclist == NULL) { 4436 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4437 error = ENOMEM; 4438 break; 4439 } 4440 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4441 hmacid = shmac->shmac_idents[i]; 4442 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4443 /* invalid HMACs were found */ ; 4444 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4445 error = EINVAL; 4446 sctp_free_hmaclist(hmaclist); 4447 goto sctp_set_hmac_done; 4448 } 4449 } 4450 for (i = 0; i < hmaclist->num_algo; i++) { 4451 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4452 /* already in list */ 4453 break; 4454 } 4455 } 4456 if (i == hmaclist->num_algo) { 4457 /* not found in list */ 4458 sctp_free_hmaclist(hmaclist); 4459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4460 error = EINVAL; 4461 break; 4462 } 4463 /* set it on the endpoint */ 4464 SCTP_INP_WLOCK(inp); 4465 if (inp->sctp_ep.local_hmacs) 4466 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4467 inp->sctp_ep.local_hmacs = hmaclist; 4468 SCTP_INP_WUNLOCK(inp); 4469 sctp_set_hmac_done: 4470 break; 4471 } 4472 case SCTP_AUTH_ACTIVE_KEY: 4473 { 4474 struct sctp_authkeyid *scact; 4475 4476 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4477 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4478 4479 /* set the active key on the right place */ 4480 if (stcb) { 4481 /* set the active key on the assoc */ 4482 if (sctp_auth_setactivekey(stcb, 4483 scact->scact_keynumber)) { 4484 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4485 SCTP_FROM_SCTP_USRREQ, 4486 EINVAL); 4487 error = EINVAL; 4488 } 4489 SCTP_TCB_UNLOCK(stcb); 4490 } else { 4491 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4492 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4493 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4494 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4495 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4496 SCTP_INP_WLOCK(inp); 4497 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4499 error = EINVAL; 4500 } 4501 SCTP_INP_WUNLOCK(inp); 4502 } 4503 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4504 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4505 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4506 SCTP_INP_RLOCK(inp); 4507 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4508 SCTP_TCB_LOCK(stcb); 4509 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4510 SCTP_TCB_UNLOCK(stcb); 4511 } 4512 SCTP_INP_RUNLOCK(inp); 4513 } 4514 } 4515 break; 4516 } 4517 case SCTP_AUTH_DELETE_KEY: 4518 { 4519 struct sctp_authkeyid *scdel; 4520 4521 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4522 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4523 4524 /* delete the key from the right place */ 4525 if (stcb) { 4526 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4528 error = EINVAL; 4529 } 4530 SCTP_TCB_UNLOCK(stcb); 4531 } else { 4532 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4533 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4534 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4535 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4536 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4537 SCTP_INP_WLOCK(inp); 4538 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4540 error = EINVAL; 4541 } 4542 SCTP_INP_WUNLOCK(inp); 4543 } 4544 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4545 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4546 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4547 SCTP_INP_RLOCK(inp); 4548 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4549 SCTP_TCB_LOCK(stcb); 4550 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4551 SCTP_TCB_UNLOCK(stcb); 4552 } 4553 SCTP_INP_RUNLOCK(inp); 4554 } 4555 } 4556 break; 4557 } 4558 case SCTP_AUTH_DEACTIVATE_KEY: 4559 { 4560 struct sctp_authkeyid *keyid; 4561 4562 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4563 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4564 4565 /* deactivate the key from the right place */ 4566 if (stcb) { 4567 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4569 error = EINVAL; 4570 } 4571 SCTP_TCB_UNLOCK(stcb); 4572 } else { 4573 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4574 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4575 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4576 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4577 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4578 SCTP_INP_WLOCK(inp); 4579 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4580 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4581 error = EINVAL; 4582 } 4583 SCTP_INP_WUNLOCK(inp); 4584 } 4585 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4586 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4587 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4588 SCTP_INP_RLOCK(inp); 4589 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4590 SCTP_TCB_LOCK(stcb); 4591 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4592 SCTP_TCB_UNLOCK(stcb); 4593 } 4594 SCTP_INP_RUNLOCK(inp); 4595 } 4596 } 4597 break; 4598 } 4599 case SCTP_ENABLE_STREAM_RESET: 4600 { 4601 struct sctp_assoc_value *av; 4602 4603 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4604 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4605 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4606 error = EINVAL; 4607 break; 4608 } 4609 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4610 if (stcb) { 4611 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4612 SCTP_TCB_UNLOCK(stcb); 4613 } else { 4614 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4615 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4616 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4617 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4618 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4619 SCTP_INP_WLOCK(inp); 4620 inp->local_strreset_support = (uint8_t)av->assoc_value; 4621 SCTP_INP_WUNLOCK(inp); 4622 } 4623 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4624 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4625 (av->assoc_id == SCTP_ALL_ASSOC))) { 4626 SCTP_INP_RLOCK(inp); 4627 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4628 SCTP_TCB_LOCK(stcb); 4629 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4630 SCTP_TCB_UNLOCK(stcb); 4631 } 4632 SCTP_INP_RUNLOCK(inp); 4633 } 4634 } 4635 break; 4636 } 4637 case SCTP_RESET_STREAMS: 4638 { 4639 struct sctp_reset_streams *strrst; 4640 int i, send_out = 0; 4641 int send_in = 0; 4642 4643 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4644 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4645 if (stcb == NULL) { 4646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4647 error = ENOENT; 4648 break; 4649 } 4650 if (stcb->asoc.reconfig_supported == 0) { 4651 /* 4652 * Peer does not support the chunk type. 4653 */ 4654 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4655 error = EOPNOTSUPP; 4656 SCTP_TCB_UNLOCK(stcb); 4657 break; 4658 } 4659 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4661 error = EINVAL; 4662 SCTP_TCB_UNLOCK(stcb); 4663 break; 4664 } 4665 if (sizeof(struct sctp_reset_streams) + 4666 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4667 error = EINVAL; 4668 SCTP_TCB_UNLOCK(stcb); 4669 break; 4670 } 4671 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4672 send_in = 1; 4673 if (stcb->asoc.stream_reset_outstanding) { 4674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4675 error = EALREADY; 4676 SCTP_TCB_UNLOCK(stcb); 4677 break; 4678 } 4679 } 4680 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4681 send_out = 1; 4682 } 4683 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4684 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4685 error = ENOMEM; 4686 SCTP_TCB_UNLOCK(stcb); 4687 break; 4688 } 4689 if ((send_in == 0) && (send_out == 0)) { 4690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4691 error = EINVAL; 4692 SCTP_TCB_UNLOCK(stcb); 4693 break; 4694 } 4695 for (i = 0; i < strrst->srs_number_streams; i++) { 4696 if ((send_in) && 4697 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4699 error = EINVAL; 4700 break; 4701 } 4702 if ((send_out) && 4703 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4704 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4705 error = EINVAL; 4706 break; 4707 } 4708 } 4709 if (error) { 4710 SCTP_TCB_UNLOCK(stcb); 4711 break; 4712 } 4713 if (send_out) { 4714 int cnt; 4715 uint16_t strm; 4716 4717 if (strrst->srs_number_streams) { 4718 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4719 strm = strrst->srs_stream_list[i]; 4720 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4721 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4722 cnt++; 4723 } 4724 } 4725 } else { 4726 /* Its all */ 4727 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4728 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4729 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4730 cnt++; 4731 } 4732 } 4733 } 4734 } 4735 if (send_in) { 4736 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4737 strrst->srs_stream_list, 4738 send_in, 0, 0, 0, 0, 0); 4739 } else { 4740 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4741 } 4742 if (error == 0) { 4743 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4744 } else { 4745 /* 4746 * For outgoing streams don't report any 4747 * problems in sending the request to the 4748 * application. XXX: Double check resetting 4749 * incoming streams. 4750 */ 4751 error = 0; 4752 } 4753 SCTP_TCB_UNLOCK(stcb); 4754 break; 4755 } 4756 case SCTP_ADD_STREAMS: 4757 { 4758 struct sctp_add_streams *stradd; 4759 uint8_t addstream = 0; 4760 uint16_t add_o_strmcnt = 0; 4761 uint16_t add_i_strmcnt = 0; 4762 4763 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4764 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4765 if (stcb == NULL) { 4766 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4767 error = ENOENT; 4768 break; 4769 } 4770 if (stcb->asoc.reconfig_supported == 0) { 4771 /* 4772 * Peer does not support the chunk type. 4773 */ 4774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4775 error = EOPNOTSUPP; 4776 SCTP_TCB_UNLOCK(stcb); 4777 break; 4778 } 4779 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4781 error = EINVAL; 4782 SCTP_TCB_UNLOCK(stcb); 4783 break; 4784 } 4785 if (stcb->asoc.stream_reset_outstanding) { 4786 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4787 error = EALREADY; 4788 SCTP_TCB_UNLOCK(stcb); 4789 break; 4790 } 4791 if ((stradd->sas_outstrms == 0) && 4792 (stradd->sas_instrms == 0)) { 4793 error = EINVAL; 4794 goto skip_stuff; 4795 } 4796 if (stradd->sas_outstrms) { 4797 addstream = 1; 4798 /* We allocate here */ 4799 add_o_strmcnt = stradd->sas_outstrms; 4800 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4801 /* You can't have more than 64k */ 4802 error = EINVAL; 4803 goto skip_stuff; 4804 } 4805 } 4806 if (stradd->sas_instrms) { 4807 int cnt; 4808 4809 addstream |= 2; 4810 /* 4811 * We allocate inside 4812 * sctp_send_str_reset_req() 4813 */ 4814 add_i_strmcnt = stradd->sas_instrms; 4815 cnt = add_i_strmcnt; 4816 cnt += stcb->asoc.streamincnt; 4817 if (cnt > 0x0000ffff) { 4818 /* You can't have more than 64k */ 4819 error = EINVAL; 4820 goto skip_stuff; 4821 } 4822 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4823 /* More than you are allowed */ 4824 error = EINVAL; 4825 goto skip_stuff; 4826 } 4827 } 4828 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4829 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4830 skip_stuff: 4831 SCTP_TCB_UNLOCK(stcb); 4832 break; 4833 } 4834 case SCTP_RESET_ASSOC: 4835 { 4836 int i; 4837 uint32_t *value; 4838 4839 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4840 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4841 if (stcb == NULL) { 4842 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4843 error = ENOENT; 4844 break; 4845 } 4846 if (stcb->asoc.reconfig_supported == 0) { 4847 /* 4848 * Peer does not support the chunk type. 4849 */ 4850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4851 error = EOPNOTSUPP; 4852 SCTP_TCB_UNLOCK(stcb); 4853 break; 4854 } 4855 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4857 error = EINVAL; 4858 SCTP_TCB_UNLOCK(stcb); 4859 break; 4860 } 4861 if (stcb->asoc.stream_reset_outstanding) { 4862 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4863 error = EALREADY; 4864 SCTP_TCB_UNLOCK(stcb); 4865 break; 4866 } 4867 /* 4868 * Is there any data pending in the send or sent 4869 * queues? 4870 */ 4871 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4872 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4873 busy_out: 4874 error = EBUSY; 4875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4876 SCTP_TCB_UNLOCK(stcb); 4877 break; 4878 } 4879 /* Do any streams have data queued? */ 4880 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4881 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4882 goto busy_out; 4883 } 4884 } 4885 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4886 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4887 SCTP_TCB_UNLOCK(stcb); 4888 break; 4889 } 4890 case SCTP_CONNECT_X: 4891 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4893 error = EINVAL; 4894 break; 4895 } 4896 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4897 break; 4898 case SCTP_CONNECT_X_DELAYED: 4899 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4901 error = EINVAL; 4902 break; 4903 } 4904 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4905 break; 4906 case SCTP_CONNECT_X_COMPLETE: 4907 { 4908 struct sockaddr *sa; 4909 4910 /* FIXME MT: check correct? */ 4911 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4912 4913 /* find tcb */ 4914 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4915 SCTP_INP_RLOCK(inp); 4916 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4917 if (stcb) { 4918 SCTP_TCB_LOCK(stcb); 4919 } 4920 SCTP_INP_RUNLOCK(inp); 4921 } else { 4922 /* 4923 * We increment here since 4924 * sctp_findassociation_ep_addr() wil do a 4925 * decrement if it finds the stcb as long as 4926 * the locked tcb (last argument) is NOT a 4927 * TCB.. aka NULL. 4928 */ 4929 SCTP_INP_INCR_REF(inp); 4930 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4931 if (stcb == NULL) { 4932 SCTP_INP_DECR_REF(inp); 4933 } 4934 } 4935 4936 if (stcb == NULL) { 4937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4938 error = ENOENT; 4939 break; 4940 } 4941 if (stcb->asoc.delayed_connection == 1) { 4942 stcb->asoc.delayed_connection = 0; 4943 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4944 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4945 stcb->asoc.primary_destination, 4946 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4947 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4948 } else { 4949 /* 4950 * already expired or did not use delayed 4951 * connectx 4952 */ 4953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4954 error = EALREADY; 4955 } 4956 SCTP_TCB_UNLOCK(stcb); 4957 break; 4958 } 4959 case SCTP_MAX_BURST: 4960 { 4961 struct sctp_assoc_value *av; 4962 4963 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4964 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4965 4966 if (stcb) { 4967 stcb->asoc.max_burst = av->assoc_value; 4968 SCTP_TCB_UNLOCK(stcb); 4969 } else { 4970 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4971 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4972 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4973 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4974 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4975 SCTP_INP_WLOCK(inp); 4976 inp->sctp_ep.max_burst = av->assoc_value; 4977 SCTP_INP_WUNLOCK(inp); 4978 } 4979 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4980 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4981 (av->assoc_id == SCTP_ALL_ASSOC))) { 4982 SCTP_INP_RLOCK(inp); 4983 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4984 SCTP_TCB_LOCK(stcb); 4985 stcb->asoc.max_burst = av->assoc_value; 4986 SCTP_TCB_UNLOCK(stcb); 4987 } 4988 SCTP_INP_RUNLOCK(inp); 4989 } 4990 } 4991 break; 4992 } 4993 case SCTP_MAXSEG: 4994 { 4995 struct sctp_assoc_value *av; 4996 int ovh; 4997 4998 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4999 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 5000 5001 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5002 ovh = SCTP_MED_OVERHEAD; 5003 } else { 5004 ovh = SCTP_MED_V4_OVERHEAD; 5005 } 5006 if (stcb) { 5007 if (av->assoc_value) { 5008 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 5009 } else { 5010 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5011 } 5012 SCTP_TCB_UNLOCK(stcb); 5013 } else { 5014 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5015 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5016 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5017 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 5018 SCTP_INP_WLOCK(inp); 5019 /* 5020 * FIXME MT: I think this is not in 5021 * tune with the API ID 5022 */ 5023 if (av->assoc_value) { 5024 inp->sctp_frag_point = (av->assoc_value + ovh); 5025 } else { 5026 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5027 } 5028 SCTP_INP_WUNLOCK(inp); 5029 } else { 5030 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5031 error = EINVAL; 5032 } 5033 } 5034 break; 5035 } 5036 case SCTP_EVENTS: 5037 { 5038 struct sctp_event_subscribe *events; 5039 5040 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5041 5042 SCTP_INP_WLOCK(inp); 5043 if (events->sctp_data_io_event) { 5044 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5045 } else { 5046 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5047 } 5048 5049 if (events->sctp_association_event) { 5050 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5051 } else { 5052 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5053 } 5054 5055 if (events->sctp_address_event) { 5056 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5057 } else { 5058 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5059 } 5060 5061 if (events->sctp_send_failure_event) { 5062 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5063 } else { 5064 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5065 } 5066 5067 if (events->sctp_peer_error_event) { 5068 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5069 } else { 5070 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5071 } 5072 5073 if (events->sctp_shutdown_event) { 5074 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5075 } else { 5076 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5077 } 5078 5079 if (events->sctp_partial_delivery_event) { 5080 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5081 } else { 5082 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5083 } 5084 5085 if (events->sctp_adaptation_layer_event) { 5086 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5087 } else { 5088 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5089 } 5090 5091 if (events->sctp_authentication_event) { 5092 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5093 } else { 5094 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5095 } 5096 5097 if (events->sctp_sender_dry_event) { 5098 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5099 } else { 5100 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5101 } 5102 5103 if (events->sctp_stream_reset_event) { 5104 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5105 } else { 5106 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5107 } 5108 SCTP_INP_WUNLOCK(inp); 5109 5110 SCTP_INP_RLOCK(inp); 5111 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5112 SCTP_TCB_LOCK(stcb); 5113 if (events->sctp_association_event) { 5114 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5115 } else { 5116 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5117 } 5118 if (events->sctp_address_event) { 5119 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5120 } else { 5121 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5122 } 5123 if (events->sctp_send_failure_event) { 5124 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5125 } else { 5126 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5127 } 5128 if (events->sctp_peer_error_event) { 5129 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5130 } else { 5131 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5132 } 5133 if (events->sctp_shutdown_event) { 5134 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5135 } else { 5136 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5137 } 5138 if (events->sctp_partial_delivery_event) { 5139 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5140 } else { 5141 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5142 } 5143 if (events->sctp_adaptation_layer_event) { 5144 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5145 } else { 5146 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5147 } 5148 if (events->sctp_authentication_event) { 5149 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5150 } else { 5151 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5152 } 5153 if (events->sctp_sender_dry_event) { 5154 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5155 } else { 5156 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5157 } 5158 if (events->sctp_stream_reset_event) { 5159 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5160 } else { 5161 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5162 } 5163 SCTP_TCB_UNLOCK(stcb); 5164 } 5165 /* 5166 * Send up the sender dry event only for 1-to-1 5167 * style sockets. 5168 */ 5169 if (events->sctp_sender_dry_event) { 5170 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5171 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5172 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5173 if (stcb) { 5174 SCTP_TCB_LOCK(stcb); 5175 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5176 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5177 (stcb->asoc.stream_queue_cnt == 0)) { 5178 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5179 } 5180 SCTP_TCB_UNLOCK(stcb); 5181 } 5182 } 5183 } 5184 SCTP_INP_RUNLOCK(inp); 5185 break; 5186 } 5187 case SCTP_ADAPTATION_LAYER: 5188 { 5189 struct sctp_setadaptation *adap_bits; 5190 5191 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5192 SCTP_INP_WLOCK(inp); 5193 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5194 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5195 SCTP_INP_WUNLOCK(inp); 5196 break; 5197 } 5198 #ifdef SCTP_DEBUG 5199 case SCTP_SET_INITIAL_DBG_SEQ: 5200 { 5201 uint32_t *vvv; 5202 5203 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5204 SCTP_INP_WLOCK(inp); 5205 inp->sctp_ep.initial_sequence_debug = *vvv; 5206 SCTP_INP_WUNLOCK(inp); 5207 break; 5208 } 5209 #endif 5210 case SCTP_DEFAULT_SEND_PARAM: 5211 { 5212 struct sctp_sndrcvinfo *s_info; 5213 5214 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5215 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5216 5217 if (stcb) { 5218 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5219 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5220 } else { 5221 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5222 error = EINVAL; 5223 } 5224 SCTP_TCB_UNLOCK(stcb); 5225 } else { 5226 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5227 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5228 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5229 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5230 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5231 SCTP_INP_WLOCK(inp); 5232 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5233 SCTP_INP_WUNLOCK(inp); 5234 } 5235 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5236 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5237 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5238 SCTP_INP_RLOCK(inp); 5239 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5240 SCTP_TCB_LOCK(stcb); 5241 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5242 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5243 } 5244 SCTP_TCB_UNLOCK(stcb); 5245 } 5246 SCTP_INP_RUNLOCK(inp); 5247 } 5248 } 5249 break; 5250 } 5251 case SCTP_PEER_ADDR_PARAMS: 5252 { 5253 struct sctp_paddrparams *paddrp; 5254 struct sctp_nets *net; 5255 struct sockaddr *addr; 5256 #if defined(INET) && defined(INET6) 5257 struct sockaddr_in sin_store; 5258 #endif 5259 5260 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5261 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5262 5263 #if defined(INET) && defined(INET6) 5264 if (paddrp->spp_address.ss_family == AF_INET6) { 5265 struct sockaddr_in6 *sin6; 5266 5267 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5268 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5269 in6_sin6_2_sin(&sin_store, sin6); 5270 addr = (struct sockaddr *)&sin_store; 5271 } else { 5272 addr = (struct sockaddr *)&paddrp->spp_address; 5273 } 5274 } else { 5275 addr = (struct sockaddr *)&paddrp->spp_address; 5276 } 5277 #else 5278 addr = (struct sockaddr *)&paddrp->spp_address; 5279 #endif 5280 if (stcb != NULL) { 5281 net = sctp_findnet(stcb, addr); 5282 } else { 5283 /* 5284 * We increment here since 5285 * sctp_findassociation_ep_addr() wil do a 5286 * decrement if it finds the stcb as long as 5287 * the locked tcb (last argument) is NOT a 5288 * TCB.. aka NULL. 5289 */ 5290 net = NULL; 5291 SCTP_INP_INCR_REF(inp); 5292 stcb = sctp_findassociation_ep_addr(&inp, addr, 5293 &net, NULL, NULL); 5294 if (stcb == NULL) { 5295 SCTP_INP_DECR_REF(inp); 5296 } 5297 } 5298 if ((stcb != NULL) && (net == NULL)) { 5299 #ifdef INET 5300 if (addr->sa_family == AF_INET) { 5301 struct sockaddr_in *sin; 5302 5303 sin = (struct sockaddr_in *)addr; 5304 if (sin->sin_addr.s_addr != INADDR_ANY) { 5305 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5306 SCTP_TCB_UNLOCK(stcb); 5307 error = EINVAL; 5308 break; 5309 } 5310 } else 5311 #endif 5312 #ifdef INET6 5313 if (addr->sa_family == AF_INET6) { 5314 struct sockaddr_in6 *sin6; 5315 5316 sin6 = (struct sockaddr_in6 *)addr; 5317 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5319 SCTP_TCB_UNLOCK(stcb); 5320 error = EINVAL; 5321 break; 5322 } 5323 } else 5324 #endif 5325 { 5326 error = EAFNOSUPPORT; 5327 SCTP_TCB_UNLOCK(stcb); 5328 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5329 break; 5330 } 5331 } 5332 /* sanity checks */ 5333 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5334 if (stcb) 5335 SCTP_TCB_UNLOCK(stcb); 5336 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5337 return (EINVAL); 5338 } 5339 5340 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5341 if (stcb) 5342 SCTP_TCB_UNLOCK(stcb); 5343 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5344 return (EINVAL); 5345 } 5346 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5347 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5348 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5349 if (stcb) 5350 SCTP_TCB_UNLOCK(stcb); 5351 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5352 return (EINVAL); 5353 } 5354 5355 if (stcb != NULL) { 5356 /************************TCB SPECIFIC SET ******************/ 5357 if (net != NULL) { 5358 /************************NET SPECIFIC SET ******************/ 5359 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5360 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5361 !(net->dest_state & SCTP_ADDR_NOHB)) { 5362 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5363 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5364 } 5365 net->dest_state |= SCTP_ADDR_NOHB; 5366 } 5367 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5368 if (paddrp->spp_hbinterval) { 5369 net->heart_beat_delay = paddrp->spp_hbinterval; 5370 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5371 net->heart_beat_delay = 0; 5372 } 5373 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5374 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5375 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5376 net->dest_state &= ~SCTP_ADDR_NOHB; 5377 } 5378 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5379 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5380 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5381 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5382 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5383 } 5384 } 5385 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5386 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5387 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5388 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5389 } 5390 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5391 net->mtu = paddrp->spp_pathmtu; 5392 switch (net->ro._l_addr.sa.sa_family) { 5393 #ifdef INET 5394 case AF_INET: 5395 net->mtu += SCTP_MIN_V4_OVERHEAD; 5396 break; 5397 #endif 5398 #ifdef INET6 5399 case AF_INET6: 5400 net->mtu += SCTP_MIN_OVERHEAD; 5401 break; 5402 #endif 5403 default: 5404 break; 5405 } 5406 if (net->mtu < stcb->asoc.smallest_mtu) { 5407 sctp_pathmtu_adjustment(stcb, net->mtu); 5408 } 5409 } 5410 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5411 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5412 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5413 } 5414 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5415 } 5416 if (paddrp->spp_pathmaxrxt) { 5417 if (net->dest_state & SCTP_ADDR_PF) { 5418 if (net->error_count > paddrp->spp_pathmaxrxt) { 5419 net->dest_state &= ~SCTP_ADDR_PF; 5420 } 5421 } else { 5422 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5423 (net->error_count > net->pf_threshold)) { 5424 net->dest_state |= SCTP_ADDR_PF; 5425 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5426 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5427 stcb->sctp_ep, stcb, net, 5428 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5429 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5430 } 5431 } 5432 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5433 if (net->error_count > paddrp->spp_pathmaxrxt) { 5434 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5435 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5436 } 5437 } else { 5438 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5439 net->dest_state |= SCTP_ADDR_REACHABLE; 5440 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5441 } 5442 } 5443 net->failure_threshold = paddrp->spp_pathmaxrxt; 5444 } 5445 if (paddrp->spp_flags & SPP_DSCP) { 5446 net->dscp = paddrp->spp_dscp & 0xfc; 5447 net->dscp |= 0x01; 5448 } 5449 #ifdef INET6 5450 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5451 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5452 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5453 net->flowlabel |= 0x80000000; 5454 } 5455 } 5456 #endif 5457 } else { 5458 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5459 if (paddrp->spp_pathmaxrxt != 0) { 5460 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5461 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5462 if (net->dest_state & SCTP_ADDR_PF) { 5463 if (net->error_count > paddrp->spp_pathmaxrxt) { 5464 net->dest_state &= ~SCTP_ADDR_PF; 5465 } 5466 } else { 5467 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5468 (net->error_count > net->pf_threshold)) { 5469 net->dest_state |= SCTP_ADDR_PF; 5470 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5471 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5472 stcb->sctp_ep, stcb, net, 5473 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5474 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5475 } 5476 } 5477 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5478 if (net->error_count > paddrp->spp_pathmaxrxt) { 5479 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5480 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5481 } 5482 } else { 5483 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5484 net->dest_state |= SCTP_ADDR_REACHABLE; 5485 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5486 } 5487 } 5488 net->failure_threshold = paddrp->spp_pathmaxrxt; 5489 } 5490 } 5491 5492 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5493 if (paddrp->spp_hbinterval != 0) { 5494 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5495 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5496 stcb->asoc.heart_beat_delay = 0; 5497 } 5498 /* Turn back on the timer */ 5499 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5500 if (paddrp->spp_hbinterval != 0) { 5501 net->heart_beat_delay = paddrp->spp_hbinterval; 5502 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5503 net->heart_beat_delay = 0; 5504 } 5505 if (net->dest_state & SCTP_ADDR_NOHB) { 5506 net->dest_state &= ~SCTP_ADDR_NOHB; 5507 } 5508 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5509 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5510 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5511 } 5512 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5513 } 5514 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5515 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5516 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5517 net->dest_state |= SCTP_ADDR_NOHB; 5518 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5519 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5520 inp, stcb, net, 5521 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5522 } 5523 } 5524 } 5525 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5526 } 5527 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5528 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5529 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5530 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5531 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5532 } 5533 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5534 net->mtu = paddrp->spp_pathmtu; 5535 switch (net->ro._l_addr.sa.sa_family) { 5536 #ifdef INET 5537 case AF_INET: 5538 net->mtu += SCTP_MIN_V4_OVERHEAD; 5539 break; 5540 #endif 5541 #ifdef INET6 5542 case AF_INET6: 5543 net->mtu += SCTP_MIN_OVERHEAD; 5544 break; 5545 #endif 5546 default: 5547 break; 5548 } 5549 if (net->mtu < stcb->asoc.smallest_mtu) { 5550 sctp_pathmtu_adjustment(stcb, net->mtu); 5551 } 5552 } 5553 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5554 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5555 } 5556 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5557 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5558 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5559 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5560 } 5561 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5562 } 5563 stcb->asoc.default_mtu = 0; 5564 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5565 } 5566 if (paddrp->spp_flags & SPP_DSCP) { 5567 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5568 net->dscp = paddrp->spp_dscp & 0xfc; 5569 net->dscp |= 0x01; 5570 } 5571 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5572 stcb->asoc.default_dscp |= 0x01; 5573 } 5574 #ifdef INET6 5575 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5576 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5577 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5578 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5579 net->flowlabel |= 0x80000000; 5580 } 5581 } 5582 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5583 stcb->asoc.default_flowlabel |= 0x80000000; 5584 } 5585 #endif 5586 } 5587 SCTP_TCB_UNLOCK(stcb); 5588 } else { 5589 /************************NO TCB, SET TO default stuff ******************/ 5590 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5591 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5592 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5593 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5594 SCTP_INP_WLOCK(inp); 5595 /* 5596 * For the TOS/FLOWLABEL stuff you 5597 * set it with the options on the 5598 * socket 5599 */ 5600 if (paddrp->spp_pathmaxrxt != 0) { 5601 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5602 } 5603 5604 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5605 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5606 else if (paddrp->spp_hbinterval != 0) { 5607 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5608 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5609 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5610 } 5611 5612 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5613 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5614 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5615 } else if (paddrp->spp_hbinterval) { 5616 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5617 } 5618 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5619 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5620 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5621 } 5622 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5623 inp->sctp_ep.default_mtu = 0; 5624 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5625 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5626 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5627 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5628 } 5629 if (paddrp->spp_flags & SPP_DSCP) { 5630 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5631 inp->sctp_ep.default_dscp |= 0x01; 5632 } 5633 #ifdef INET6 5634 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5635 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5636 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5637 inp->sctp_ep.default_flowlabel |= 0x80000000; 5638 } 5639 } 5640 #endif 5641 SCTP_INP_WUNLOCK(inp); 5642 } else { 5643 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5644 error = EINVAL; 5645 } 5646 } 5647 break; 5648 } 5649 case SCTP_RTOINFO: 5650 { 5651 struct sctp_rtoinfo *srto; 5652 uint32_t new_init, new_min, new_max; 5653 5654 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5655 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5656 5657 if (stcb) { 5658 if (srto->srto_initial) 5659 new_init = srto->srto_initial; 5660 else 5661 new_init = stcb->asoc.initial_rto; 5662 if (srto->srto_max) 5663 new_max = srto->srto_max; 5664 else 5665 new_max = stcb->asoc.maxrto; 5666 if (srto->srto_min) 5667 new_min = srto->srto_min; 5668 else 5669 new_min = stcb->asoc.minrto; 5670 if ((new_min <= new_init) && (new_init <= new_max)) { 5671 stcb->asoc.initial_rto = new_init; 5672 stcb->asoc.maxrto = new_max; 5673 stcb->asoc.minrto = new_min; 5674 } else { 5675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5676 error = EINVAL; 5677 } 5678 SCTP_TCB_UNLOCK(stcb); 5679 } else { 5680 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5681 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5682 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5683 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5684 SCTP_INP_WLOCK(inp); 5685 if (srto->srto_initial) 5686 new_init = srto->srto_initial; 5687 else 5688 new_init = inp->sctp_ep.initial_rto; 5689 if (srto->srto_max) 5690 new_max = srto->srto_max; 5691 else 5692 new_max = inp->sctp_ep.sctp_maxrto; 5693 if (srto->srto_min) 5694 new_min = srto->srto_min; 5695 else 5696 new_min = inp->sctp_ep.sctp_minrto; 5697 if ((new_min <= new_init) && (new_init <= new_max)) { 5698 inp->sctp_ep.initial_rto = new_init; 5699 inp->sctp_ep.sctp_maxrto = new_max; 5700 inp->sctp_ep.sctp_minrto = new_min; 5701 } else { 5702 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5703 error = EINVAL; 5704 } 5705 SCTP_INP_WUNLOCK(inp); 5706 } else { 5707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5708 error = EINVAL; 5709 } 5710 } 5711 break; 5712 } 5713 case SCTP_ASSOCINFO: 5714 { 5715 struct sctp_assocparams *sasoc; 5716 5717 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5718 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5719 if (sasoc->sasoc_cookie_life) { 5720 /* boundary check the cookie life */ 5721 if (sasoc->sasoc_cookie_life < 1000) 5722 sasoc->sasoc_cookie_life = 1000; 5723 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5724 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5725 } 5726 } 5727 if (stcb) { 5728 if (sasoc->sasoc_asocmaxrxt) 5729 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5730 if (sasoc->sasoc_cookie_life) { 5731 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5732 } 5733 SCTP_TCB_UNLOCK(stcb); 5734 } else { 5735 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5736 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5737 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5738 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5739 SCTP_INP_WLOCK(inp); 5740 if (sasoc->sasoc_asocmaxrxt) 5741 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5742 if (sasoc->sasoc_cookie_life) { 5743 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5744 } 5745 SCTP_INP_WUNLOCK(inp); 5746 } else { 5747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5748 error = EINVAL; 5749 } 5750 } 5751 break; 5752 } 5753 case SCTP_INITMSG: 5754 { 5755 struct sctp_initmsg *sinit; 5756 5757 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5758 SCTP_INP_WLOCK(inp); 5759 if (sinit->sinit_num_ostreams) 5760 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5761 5762 if (sinit->sinit_max_instreams) 5763 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5764 5765 if (sinit->sinit_max_attempts) 5766 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5767 5768 if (sinit->sinit_max_init_timeo) 5769 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5770 SCTP_INP_WUNLOCK(inp); 5771 break; 5772 } 5773 case SCTP_PRIMARY_ADDR: 5774 { 5775 struct sctp_setprim *spa; 5776 struct sctp_nets *net; 5777 struct sockaddr *addr; 5778 #if defined(INET) && defined(INET6) 5779 struct sockaddr_in sin_store; 5780 #endif 5781 5782 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5783 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5784 5785 #if defined(INET) && defined(INET6) 5786 if (spa->ssp_addr.ss_family == AF_INET6) { 5787 struct sockaddr_in6 *sin6; 5788 5789 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5790 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5791 in6_sin6_2_sin(&sin_store, sin6); 5792 addr = (struct sockaddr *)&sin_store; 5793 } else { 5794 addr = (struct sockaddr *)&spa->ssp_addr; 5795 } 5796 } else { 5797 addr = (struct sockaddr *)&spa->ssp_addr; 5798 } 5799 #else 5800 addr = (struct sockaddr *)&spa->ssp_addr; 5801 #endif 5802 if (stcb != NULL) { 5803 net = sctp_findnet(stcb, addr); 5804 } else { 5805 /* 5806 * We increment here since 5807 * sctp_findassociation_ep_addr() wil do a 5808 * decrement if it finds the stcb as long as 5809 * the locked tcb (last argument) is NOT a 5810 * TCB.. aka NULL. 5811 */ 5812 net = NULL; 5813 SCTP_INP_INCR_REF(inp); 5814 stcb = sctp_findassociation_ep_addr(&inp, addr, 5815 &net, NULL, NULL); 5816 if (stcb == NULL) { 5817 SCTP_INP_DECR_REF(inp); 5818 } 5819 } 5820 5821 if ((stcb != NULL) && (net != NULL)) { 5822 if (net != stcb->asoc.primary_destination) { 5823 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5824 /* Ok we need to set it */ 5825 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5826 if ((stcb->asoc.alternate) && 5827 (!(net->dest_state & SCTP_ADDR_PF)) && 5828 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5829 sctp_free_remote_addr(stcb->asoc.alternate); 5830 stcb->asoc.alternate = NULL; 5831 } 5832 } else { 5833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5834 error = EINVAL; 5835 } 5836 } else { 5837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5838 error = EINVAL; 5839 } 5840 } 5841 } else { 5842 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5843 error = EINVAL; 5844 } 5845 if (stcb != NULL) { 5846 SCTP_TCB_UNLOCK(stcb); 5847 } 5848 break; 5849 } 5850 case SCTP_SET_DYNAMIC_PRIMARY: 5851 { 5852 union sctp_sockstore *ss; 5853 5854 error = priv_check(curthread, 5855 PRIV_NETINET_RESERVEDPORT); 5856 if (error) 5857 break; 5858 5859 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5860 /* SUPER USER CHECK? */ 5861 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5862 break; 5863 } 5864 case SCTP_SET_PEER_PRIMARY_ADDR: 5865 { 5866 struct sctp_setpeerprim *sspp; 5867 struct sockaddr *addr; 5868 #if defined(INET) && defined(INET6) 5869 struct sockaddr_in sin_store; 5870 #endif 5871 5872 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5873 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5874 if (stcb != NULL) { 5875 struct sctp_ifa *ifa; 5876 5877 #if defined(INET) && defined(INET6) 5878 if (sspp->sspp_addr.ss_family == AF_INET6) { 5879 struct sockaddr_in6 *sin6; 5880 5881 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5882 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5883 in6_sin6_2_sin(&sin_store, sin6); 5884 addr = (struct sockaddr *)&sin_store; 5885 } else { 5886 addr = (struct sockaddr *)&sspp->sspp_addr; 5887 } 5888 } else { 5889 addr = (struct sockaddr *)&sspp->sspp_addr; 5890 } 5891 #else 5892 addr = (struct sockaddr *)&sspp->sspp_addr; 5893 #endif 5894 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5895 if (ifa == NULL) { 5896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5897 error = EINVAL; 5898 goto out_of_it; 5899 } 5900 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5901 /* 5902 * Must validate the ifa found is in 5903 * our ep 5904 */ 5905 struct sctp_laddr *laddr; 5906 int found = 0; 5907 5908 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5909 if (laddr->ifa == NULL) { 5910 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5911 __func__); 5912 continue; 5913 } 5914 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5915 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5916 continue; 5917 } 5918 if (laddr->ifa == ifa) { 5919 found = 1; 5920 break; 5921 } 5922 } 5923 if (!found) { 5924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5925 error = EINVAL; 5926 goto out_of_it; 5927 } 5928 } else { 5929 switch (addr->sa_family) { 5930 #ifdef INET 5931 case AF_INET: 5932 { 5933 struct sockaddr_in *sin; 5934 5935 sin = (struct sockaddr_in *)addr; 5936 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5937 &sin->sin_addr) != 0) { 5938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5939 error = EINVAL; 5940 goto out_of_it; 5941 } 5942 break; 5943 } 5944 #endif 5945 #ifdef INET6 5946 case AF_INET6: 5947 { 5948 struct sockaddr_in6 *sin6; 5949 5950 sin6 = (struct sockaddr_in6 *)addr; 5951 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5952 &sin6->sin6_addr) != 0) { 5953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5954 error = EINVAL; 5955 goto out_of_it; 5956 } 5957 break; 5958 } 5959 #endif 5960 default: 5961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5962 error = EINVAL; 5963 goto out_of_it; 5964 } 5965 } 5966 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5968 error = EINVAL; 5969 } 5970 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5971 out_of_it: 5972 SCTP_TCB_UNLOCK(stcb); 5973 } else { 5974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5975 error = EINVAL; 5976 } 5977 break; 5978 } 5979 case SCTP_BINDX_ADD_ADDR: 5980 { 5981 struct sockaddr *sa; 5982 struct thread *td; 5983 5984 td = (struct thread *)p; 5985 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5986 #ifdef INET 5987 if (sa->sa_family == AF_INET) { 5988 if (optsize < sizeof(struct sockaddr_in)) { 5989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5990 error = EINVAL; 5991 break; 5992 } 5993 if (td != NULL && 5994 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5995 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5996 break; 5997 } 5998 } else 5999 #endif 6000 #ifdef INET6 6001 if (sa->sa_family == AF_INET6) { 6002 if (optsize < sizeof(struct sockaddr_in6)) { 6003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6004 error = EINVAL; 6005 break; 6006 } 6007 if (td != NULL && 6008 (error = prison_local_ip6(td->td_ucred, 6009 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6010 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6011 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6012 break; 6013 } 6014 } else 6015 #endif 6016 { 6017 error = EAFNOSUPPORT; 6018 break; 6019 } 6020 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 6021 break; 6022 } 6023 case SCTP_BINDX_REM_ADDR: 6024 { 6025 struct sockaddr *sa; 6026 struct thread *td; 6027 6028 td = (struct thread *)p; 6029 6030 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 6031 #ifdef INET 6032 if (sa->sa_family == AF_INET) { 6033 if (optsize < sizeof(struct sockaddr_in)) { 6034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6035 error = EINVAL; 6036 break; 6037 } 6038 if (td != NULL && 6039 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6040 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6041 break; 6042 } 6043 } else 6044 #endif 6045 #ifdef INET6 6046 if (sa->sa_family == AF_INET6) { 6047 if (optsize < sizeof(struct sockaddr_in6)) { 6048 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6049 error = EINVAL; 6050 break; 6051 } 6052 if (td != NULL && 6053 (error = prison_local_ip6(td->td_ucred, 6054 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6055 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6056 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6057 break; 6058 } 6059 } else 6060 #endif 6061 { 6062 error = EAFNOSUPPORT; 6063 break; 6064 } 6065 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6066 break; 6067 } 6068 case SCTP_EVENT: 6069 { 6070 struct sctp_event *event; 6071 uint32_t event_type; 6072 6073 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6074 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6075 switch (event->se_type) { 6076 case SCTP_ASSOC_CHANGE: 6077 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6078 break; 6079 case SCTP_PEER_ADDR_CHANGE: 6080 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6081 break; 6082 case SCTP_REMOTE_ERROR: 6083 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6084 break; 6085 case SCTP_SEND_FAILED: 6086 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6087 break; 6088 case SCTP_SHUTDOWN_EVENT: 6089 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6090 break; 6091 case SCTP_ADAPTATION_INDICATION: 6092 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6093 break; 6094 case SCTP_PARTIAL_DELIVERY_EVENT: 6095 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6096 break; 6097 case SCTP_AUTHENTICATION_EVENT: 6098 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6099 break; 6100 case SCTP_STREAM_RESET_EVENT: 6101 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6102 break; 6103 case SCTP_SENDER_DRY_EVENT: 6104 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6105 break; 6106 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6107 event_type = 0; 6108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6109 error = ENOTSUP; 6110 break; 6111 case SCTP_ASSOC_RESET_EVENT: 6112 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6113 break; 6114 case SCTP_STREAM_CHANGE_EVENT: 6115 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6116 break; 6117 case SCTP_SEND_FAILED_EVENT: 6118 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6119 break; 6120 default: 6121 event_type = 0; 6122 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6123 error = EINVAL; 6124 break; 6125 } 6126 if (event_type > 0) { 6127 if (stcb) { 6128 if (event->se_on) { 6129 sctp_stcb_feature_on(inp, stcb, event_type); 6130 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6131 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6132 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6133 (stcb->asoc.stream_queue_cnt == 0)) { 6134 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6135 } 6136 } 6137 } else { 6138 sctp_stcb_feature_off(inp, stcb, event_type); 6139 } 6140 SCTP_TCB_UNLOCK(stcb); 6141 } else { 6142 /* 6143 * We don't want to send up a storm 6144 * of events, so return an error for 6145 * sender dry events 6146 */ 6147 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6148 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6149 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6150 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6151 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6152 error = ENOTSUP; 6153 break; 6154 } 6155 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6156 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6157 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6158 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6159 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6160 SCTP_INP_WLOCK(inp); 6161 if (event->se_on) { 6162 sctp_feature_on(inp, event_type); 6163 } else { 6164 sctp_feature_off(inp, event_type); 6165 } 6166 SCTP_INP_WUNLOCK(inp); 6167 } 6168 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6169 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6170 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6171 SCTP_INP_RLOCK(inp); 6172 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6173 SCTP_TCB_LOCK(stcb); 6174 if (event->se_on) { 6175 sctp_stcb_feature_on(inp, stcb, event_type); 6176 } else { 6177 sctp_stcb_feature_off(inp, stcb, event_type); 6178 } 6179 SCTP_TCB_UNLOCK(stcb); 6180 } 6181 SCTP_INP_RUNLOCK(inp); 6182 } 6183 } 6184 } else { 6185 if (stcb) { 6186 SCTP_TCB_UNLOCK(stcb); 6187 } 6188 } 6189 break; 6190 } 6191 case SCTP_RECVRCVINFO: 6192 { 6193 int *onoff; 6194 6195 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6196 SCTP_INP_WLOCK(inp); 6197 if (*onoff != 0) { 6198 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6199 } else { 6200 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6201 } 6202 SCTP_INP_WUNLOCK(inp); 6203 break; 6204 } 6205 case SCTP_RECVNXTINFO: 6206 { 6207 int *onoff; 6208 6209 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6210 SCTP_INP_WLOCK(inp); 6211 if (*onoff != 0) { 6212 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6213 } else { 6214 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6215 } 6216 SCTP_INP_WUNLOCK(inp); 6217 break; 6218 } 6219 case SCTP_DEFAULT_SNDINFO: 6220 { 6221 struct sctp_sndinfo *info; 6222 uint16_t policy; 6223 6224 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6225 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6226 6227 if (stcb) { 6228 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6229 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6230 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6231 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6232 stcb->asoc.def_send.sinfo_flags |= policy; 6233 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6234 stcb->asoc.def_send.sinfo_context = info->snd_context; 6235 } else { 6236 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6237 error = EINVAL; 6238 } 6239 SCTP_TCB_UNLOCK(stcb); 6240 } else { 6241 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6242 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6243 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6244 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6245 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6246 SCTP_INP_WLOCK(inp); 6247 inp->def_send.sinfo_stream = info->snd_sid; 6248 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6249 inp->def_send.sinfo_flags = info->snd_flags; 6250 inp->def_send.sinfo_flags |= policy; 6251 inp->def_send.sinfo_ppid = info->snd_ppid; 6252 inp->def_send.sinfo_context = info->snd_context; 6253 SCTP_INP_WUNLOCK(inp); 6254 } 6255 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6256 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6257 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6258 SCTP_INP_RLOCK(inp); 6259 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6260 SCTP_TCB_LOCK(stcb); 6261 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6262 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6263 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6264 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6265 stcb->asoc.def_send.sinfo_flags |= policy; 6266 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6267 stcb->asoc.def_send.sinfo_context = info->snd_context; 6268 } 6269 SCTP_TCB_UNLOCK(stcb); 6270 } 6271 SCTP_INP_RUNLOCK(inp); 6272 } 6273 } 6274 break; 6275 } 6276 case SCTP_DEFAULT_PRINFO: 6277 { 6278 struct sctp_default_prinfo *info; 6279 6280 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6281 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6282 6283 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6284 if (stcb) { 6285 SCTP_TCB_UNLOCK(stcb); 6286 } 6287 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6288 error = EINVAL; 6289 break; 6290 } 6291 if (stcb) { 6292 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6293 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6294 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6295 SCTP_TCB_UNLOCK(stcb); 6296 } else { 6297 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6298 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6299 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6300 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6301 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6302 SCTP_INP_WLOCK(inp); 6303 inp->def_send.sinfo_flags &= 0xfff0; 6304 inp->def_send.sinfo_flags |= info->pr_policy; 6305 inp->def_send.sinfo_timetolive = info->pr_value; 6306 SCTP_INP_WUNLOCK(inp); 6307 } 6308 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6309 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6310 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6311 SCTP_INP_RLOCK(inp); 6312 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6313 SCTP_TCB_LOCK(stcb); 6314 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6315 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6316 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6317 SCTP_TCB_UNLOCK(stcb); 6318 } 6319 SCTP_INP_RUNLOCK(inp); 6320 } 6321 } 6322 break; 6323 } 6324 case SCTP_PEER_ADDR_THLDS: 6325 /* Applies to the specific association */ 6326 { 6327 struct sctp_paddrthlds *thlds; 6328 struct sctp_nets *net; 6329 struct sockaddr *addr; 6330 #if defined(INET) && defined(INET6) 6331 struct sockaddr_in sin_store; 6332 #endif 6333 6334 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6335 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6336 6337 #if defined(INET) && defined(INET6) 6338 if (thlds->spt_address.ss_family == AF_INET6) { 6339 struct sockaddr_in6 *sin6; 6340 6341 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6342 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6343 in6_sin6_2_sin(&sin_store, sin6); 6344 addr = (struct sockaddr *)&sin_store; 6345 } else { 6346 addr = (struct sockaddr *)&thlds->spt_address; 6347 } 6348 } else { 6349 addr = (struct sockaddr *)&thlds->spt_address; 6350 } 6351 #else 6352 addr = (struct sockaddr *)&thlds->spt_address; 6353 #endif 6354 if (stcb != NULL) { 6355 net = sctp_findnet(stcb, addr); 6356 } else { 6357 /* 6358 * We increment here since 6359 * sctp_findassociation_ep_addr() wil do a 6360 * decrement if it finds the stcb as long as 6361 * the locked tcb (last argument) is NOT a 6362 * TCB.. aka NULL. 6363 */ 6364 net = NULL; 6365 SCTP_INP_INCR_REF(inp); 6366 stcb = sctp_findassociation_ep_addr(&inp, addr, 6367 &net, NULL, NULL); 6368 if (stcb == NULL) { 6369 SCTP_INP_DECR_REF(inp); 6370 } 6371 } 6372 if ((stcb != NULL) && (net == NULL)) { 6373 #ifdef INET 6374 if (addr->sa_family == AF_INET) { 6375 struct sockaddr_in *sin; 6376 6377 sin = (struct sockaddr_in *)addr; 6378 if (sin->sin_addr.s_addr != INADDR_ANY) { 6379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6380 SCTP_TCB_UNLOCK(stcb); 6381 error = EINVAL; 6382 break; 6383 } 6384 } else 6385 #endif 6386 #ifdef INET6 6387 if (addr->sa_family == AF_INET6) { 6388 struct sockaddr_in6 *sin6; 6389 6390 sin6 = (struct sockaddr_in6 *)addr; 6391 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6393 SCTP_TCB_UNLOCK(stcb); 6394 error = EINVAL; 6395 break; 6396 } 6397 } else 6398 #endif 6399 { 6400 error = EAFNOSUPPORT; 6401 SCTP_TCB_UNLOCK(stcb); 6402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6403 break; 6404 } 6405 } 6406 if (thlds->spt_pathcpthld != 0xffff) { 6407 if (stcb != NULL) { 6408 SCTP_TCB_UNLOCK(stcb); 6409 } 6410 error = EINVAL; 6411 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6412 break; 6413 } 6414 if (stcb != NULL) { 6415 if (net != NULL) { 6416 net->failure_threshold = thlds->spt_pathmaxrxt; 6417 net->pf_threshold = thlds->spt_pathpfthld; 6418 if (net->dest_state & SCTP_ADDR_PF) { 6419 if ((net->error_count > net->failure_threshold) || 6420 (net->error_count <= net->pf_threshold)) { 6421 net->dest_state &= ~SCTP_ADDR_PF; 6422 } 6423 } else { 6424 if ((net->error_count > net->pf_threshold) && 6425 (net->error_count <= net->failure_threshold)) { 6426 net->dest_state |= SCTP_ADDR_PF; 6427 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6428 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6429 stcb->sctp_ep, stcb, net, 6430 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6431 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6432 } 6433 } 6434 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6435 if (net->error_count > net->failure_threshold) { 6436 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6437 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6438 } 6439 } else { 6440 if (net->error_count <= net->failure_threshold) { 6441 net->dest_state |= SCTP_ADDR_REACHABLE; 6442 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6443 } 6444 } 6445 } else { 6446 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6447 net->failure_threshold = thlds->spt_pathmaxrxt; 6448 net->pf_threshold = thlds->spt_pathpfthld; 6449 if (net->dest_state & SCTP_ADDR_PF) { 6450 if ((net->error_count > net->failure_threshold) || 6451 (net->error_count <= net->pf_threshold)) { 6452 net->dest_state &= ~SCTP_ADDR_PF; 6453 } 6454 } else { 6455 if ((net->error_count > net->pf_threshold) && 6456 (net->error_count <= net->failure_threshold)) { 6457 net->dest_state |= SCTP_ADDR_PF; 6458 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6459 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6460 stcb->sctp_ep, stcb, net, 6461 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6462 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6463 } 6464 } 6465 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6466 if (net->error_count > net->failure_threshold) { 6467 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6468 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6469 } 6470 } else { 6471 if (net->error_count <= net->failure_threshold) { 6472 net->dest_state |= SCTP_ADDR_REACHABLE; 6473 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6474 } 6475 } 6476 } 6477 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6478 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6479 } 6480 SCTP_TCB_UNLOCK(stcb); 6481 } else { 6482 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6483 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6484 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6485 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6486 SCTP_INP_WLOCK(inp); 6487 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6488 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6489 SCTP_INP_WUNLOCK(inp); 6490 } else { 6491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6492 error = EINVAL; 6493 } 6494 } 6495 break; 6496 } 6497 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6498 { 6499 struct sctp_udpencaps *encaps; 6500 struct sctp_nets *net; 6501 struct sockaddr *addr; 6502 #if defined(INET) && defined(INET6) 6503 struct sockaddr_in sin_store; 6504 #endif 6505 6506 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6507 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6508 6509 #if defined(INET) && defined(INET6) 6510 if (encaps->sue_address.ss_family == AF_INET6) { 6511 struct sockaddr_in6 *sin6; 6512 6513 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6514 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6515 in6_sin6_2_sin(&sin_store, sin6); 6516 addr = (struct sockaddr *)&sin_store; 6517 } else { 6518 addr = (struct sockaddr *)&encaps->sue_address; 6519 } 6520 } else { 6521 addr = (struct sockaddr *)&encaps->sue_address; 6522 } 6523 #else 6524 addr = (struct sockaddr *)&encaps->sue_address; 6525 #endif 6526 if (stcb != NULL) { 6527 net = sctp_findnet(stcb, addr); 6528 } else { 6529 /* 6530 * We increment here since 6531 * sctp_findassociation_ep_addr() wil do a 6532 * decrement if it finds the stcb as long as 6533 * the locked tcb (last argument) is NOT a 6534 * TCB.. aka NULL. 6535 */ 6536 net = NULL; 6537 SCTP_INP_INCR_REF(inp); 6538 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6539 if (stcb == NULL) { 6540 SCTP_INP_DECR_REF(inp); 6541 } 6542 } 6543 if ((stcb != NULL) && (net == NULL)) { 6544 #ifdef INET 6545 if (addr->sa_family == AF_INET) { 6546 struct sockaddr_in *sin; 6547 6548 sin = (struct sockaddr_in *)addr; 6549 if (sin->sin_addr.s_addr != INADDR_ANY) { 6550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6551 SCTP_TCB_UNLOCK(stcb); 6552 error = EINVAL; 6553 break; 6554 } 6555 } else 6556 #endif 6557 #ifdef INET6 6558 if (addr->sa_family == AF_INET6) { 6559 struct sockaddr_in6 *sin6; 6560 6561 sin6 = (struct sockaddr_in6 *)addr; 6562 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6564 SCTP_TCB_UNLOCK(stcb); 6565 error = EINVAL; 6566 break; 6567 } 6568 } else 6569 #endif 6570 { 6571 error = EAFNOSUPPORT; 6572 SCTP_TCB_UNLOCK(stcb); 6573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6574 break; 6575 } 6576 } 6577 6578 if (stcb != NULL) { 6579 if (net != NULL) { 6580 net->port = encaps->sue_port; 6581 } else { 6582 stcb->asoc.port = encaps->sue_port; 6583 } 6584 SCTP_TCB_UNLOCK(stcb); 6585 } else { 6586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6588 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6589 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6590 SCTP_INP_WLOCK(inp); 6591 inp->sctp_ep.port = encaps->sue_port; 6592 SCTP_INP_WUNLOCK(inp); 6593 } else { 6594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6595 error = EINVAL; 6596 } 6597 } 6598 break; 6599 } 6600 case SCTP_ECN_SUPPORTED: 6601 { 6602 struct sctp_assoc_value *av; 6603 6604 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6605 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6606 6607 if (stcb) { 6608 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6609 error = EINVAL; 6610 SCTP_TCB_UNLOCK(stcb); 6611 } else { 6612 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6613 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6614 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6615 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6616 SCTP_INP_WLOCK(inp); 6617 if (av->assoc_value == 0) { 6618 inp->ecn_supported = 0; 6619 } else { 6620 inp->ecn_supported = 1; 6621 } 6622 SCTP_INP_WUNLOCK(inp); 6623 } else { 6624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6625 error = EINVAL; 6626 } 6627 } 6628 break; 6629 } 6630 case SCTP_PR_SUPPORTED: 6631 { 6632 struct sctp_assoc_value *av; 6633 6634 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6635 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6636 6637 if (stcb) { 6638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6639 error = EINVAL; 6640 SCTP_TCB_UNLOCK(stcb); 6641 } else { 6642 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6643 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6644 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6645 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6646 SCTP_INP_WLOCK(inp); 6647 if (av->assoc_value == 0) { 6648 inp->prsctp_supported = 0; 6649 } else { 6650 inp->prsctp_supported = 1; 6651 } 6652 SCTP_INP_WUNLOCK(inp); 6653 } else { 6654 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6655 error = EINVAL; 6656 } 6657 } 6658 break; 6659 } 6660 case SCTP_AUTH_SUPPORTED: 6661 { 6662 struct sctp_assoc_value *av; 6663 6664 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6665 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6666 6667 if (stcb) { 6668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6669 error = EINVAL; 6670 SCTP_TCB_UNLOCK(stcb); 6671 } else { 6672 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6673 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6674 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6675 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6676 if ((av->assoc_value == 0) && 6677 (inp->asconf_supported == 1)) { 6678 /* 6679 * AUTH is required for 6680 * ASCONF 6681 */ 6682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6683 error = EINVAL; 6684 } else { 6685 SCTP_INP_WLOCK(inp); 6686 if (av->assoc_value == 0) { 6687 inp->auth_supported = 0; 6688 } else { 6689 inp->auth_supported = 1; 6690 } 6691 SCTP_INP_WUNLOCK(inp); 6692 } 6693 } else { 6694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6695 error = EINVAL; 6696 } 6697 } 6698 break; 6699 } 6700 case SCTP_ASCONF_SUPPORTED: 6701 { 6702 struct sctp_assoc_value *av; 6703 6704 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6705 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6706 6707 if (stcb) { 6708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6709 error = EINVAL; 6710 SCTP_TCB_UNLOCK(stcb); 6711 } else { 6712 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6713 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6714 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6715 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6716 if ((av->assoc_value != 0) && 6717 (inp->auth_supported == 0)) { 6718 /* 6719 * AUTH is required for 6720 * ASCONF 6721 */ 6722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6723 error = EINVAL; 6724 } else { 6725 SCTP_INP_WLOCK(inp); 6726 if (av->assoc_value == 0) { 6727 inp->asconf_supported = 0; 6728 sctp_auth_delete_chunk(SCTP_ASCONF, 6729 inp->sctp_ep.local_auth_chunks); 6730 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6731 inp->sctp_ep.local_auth_chunks); 6732 } else { 6733 inp->asconf_supported = 1; 6734 sctp_auth_add_chunk(SCTP_ASCONF, 6735 inp->sctp_ep.local_auth_chunks); 6736 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6737 inp->sctp_ep.local_auth_chunks); 6738 } 6739 SCTP_INP_WUNLOCK(inp); 6740 } 6741 } else { 6742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6743 error = EINVAL; 6744 } 6745 } 6746 break; 6747 } 6748 case SCTP_RECONFIG_SUPPORTED: 6749 { 6750 struct sctp_assoc_value *av; 6751 6752 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6753 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6754 6755 if (stcb) { 6756 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6757 error = EINVAL; 6758 SCTP_TCB_UNLOCK(stcb); 6759 } else { 6760 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6761 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6762 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6763 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6764 SCTP_INP_WLOCK(inp); 6765 if (av->assoc_value == 0) { 6766 inp->reconfig_supported = 0; 6767 } else { 6768 inp->reconfig_supported = 1; 6769 } 6770 SCTP_INP_WUNLOCK(inp); 6771 } else { 6772 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6773 error = EINVAL; 6774 } 6775 } 6776 break; 6777 } 6778 case SCTP_NRSACK_SUPPORTED: 6779 { 6780 struct sctp_assoc_value *av; 6781 6782 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6783 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6784 6785 if (stcb) { 6786 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6787 error = EINVAL; 6788 SCTP_TCB_UNLOCK(stcb); 6789 } else { 6790 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6791 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6792 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6793 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6794 SCTP_INP_WLOCK(inp); 6795 if (av->assoc_value == 0) { 6796 inp->nrsack_supported = 0; 6797 } else { 6798 inp->nrsack_supported = 1; 6799 } 6800 SCTP_INP_WUNLOCK(inp); 6801 } else { 6802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6803 error = EINVAL; 6804 } 6805 } 6806 break; 6807 } 6808 case SCTP_PKTDROP_SUPPORTED: 6809 { 6810 struct sctp_assoc_value *av; 6811 6812 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6813 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6814 6815 if (stcb) { 6816 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6817 error = EINVAL; 6818 SCTP_TCB_UNLOCK(stcb); 6819 } else { 6820 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6821 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6822 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6823 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6824 SCTP_INP_WLOCK(inp); 6825 if (av->assoc_value == 0) { 6826 inp->pktdrop_supported = 0; 6827 } else { 6828 inp->pktdrop_supported = 1; 6829 } 6830 SCTP_INP_WUNLOCK(inp); 6831 } else { 6832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6833 error = EINVAL; 6834 } 6835 } 6836 break; 6837 } 6838 case SCTP_MAX_CWND: 6839 { 6840 struct sctp_assoc_value *av; 6841 struct sctp_nets *net; 6842 6843 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6844 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6845 6846 if (stcb) { 6847 stcb->asoc.max_cwnd = av->assoc_value; 6848 if (stcb->asoc.max_cwnd > 0) { 6849 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6850 if ((net->cwnd > stcb->asoc.max_cwnd) && 6851 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6852 net->cwnd = stcb->asoc.max_cwnd; 6853 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6854 net->cwnd = net->mtu - sizeof(struct sctphdr); 6855 } 6856 } 6857 } 6858 } 6859 SCTP_TCB_UNLOCK(stcb); 6860 } else { 6861 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6862 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6863 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6864 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6865 SCTP_INP_WLOCK(inp); 6866 inp->max_cwnd = av->assoc_value; 6867 SCTP_INP_WUNLOCK(inp); 6868 } else { 6869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6870 error = EINVAL; 6871 } 6872 } 6873 break; 6874 } 6875 default: 6876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6877 error = ENOPROTOOPT; 6878 break; 6879 } /* end switch (opt) */ 6880 return (error); 6881 } 6882 6883 int 6884 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6885 { 6886 struct epoch_tracker et; 6887 struct sctp_inpcb *inp; 6888 void *optval = NULL; 6889 void *p; 6890 size_t optsize = 0; 6891 int error = 0; 6892 6893 if ((sopt->sopt_level == SOL_SOCKET) && 6894 (sopt->sopt_name == SO_SETFIB)) { 6895 inp = (struct sctp_inpcb *)so->so_pcb; 6896 if (inp == NULL) { 6897 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6898 return (EINVAL); 6899 } 6900 SCTP_INP_WLOCK(inp); 6901 inp->fibnum = so->so_fibnum; 6902 SCTP_INP_WUNLOCK(inp); 6903 return (0); 6904 } 6905 if (sopt->sopt_level != IPPROTO_SCTP) { 6906 /* wrong proto level... send back up to IP */ 6907 #ifdef INET6 6908 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6909 error = ip6_ctloutput(so, sopt); 6910 #endif /* INET6 */ 6911 #if defined(INET) && defined(INET6) 6912 else 6913 #endif 6914 #ifdef INET 6915 error = ip_ctloutput(so, sopt); 6916 #endif 6917 return (error); 6918 } 6919 optsize = sopt->sopt_valsize; 6920 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6921 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6922 return (ENOBUFS); 6923 } 6924 if (optsize) { 6925 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6926 if (optval == NULL) { 6927 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6928 return (ENOBUFS); 6929 } 6930 error = sooptcopyin(sopt, optval, optsize, optsize); 6931 if (error) { 6932 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6933 goto out; 6934 } 6935 } 6936 p = (void *)sopt->sopt_td; 6937 if (sopt->sopt_dir == SOPT_SET) { 6938 NET_EPOCH_ENTER(et); 6939 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6940 NET_EPOCH_EXIT(et); 6941 } else if (sopt->sopt_dir == SOPT_GET) { 6942 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6943 } else { 6944 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6945 error = EINVAL; 6946 } 6947 if ((error == 0) && (optval != NULL)) { 6948 error = sooptcopyout(sopt, optval, optsize); 6949 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6950 } else if (optval != NULL) { 6951 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6952 } 6953 out: 6954 return (error); 6955 } 6956 6957 #ifdef INET 6958 static int 6959 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6960 { 6961 struct epoch_tracker et; 6962 int error = 0; 6963 int create_lock_on = 0; 6964 uint32_t vrf_id; 6965 struct sctp_inpcb *inp; 6966 struct sctp_tcb *stcb = NULL; 6967 6968 inp = (struct sctp_inpcb *)so->so_pcb; 6969 if (inp == NULL) { 6970 /* I made the same as TCP since we are not setup? */ 6971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6972 return (ECONNRESET); 6973 } 6974 if (addr == NULL) { 6975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6976 return EINVAL; 6977 } 6978 6979 switch (addr->sa_family) { 6980 #ifdef INET6 6981 case AF_INET6: 6982 { 6983 struct sockaddr_in6 *sin6; 6984 6985 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6987 return (EINVAL); 6988 } 6989 sin6 = (struct sockaddr_in6 *)addr; 6990 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 6991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6992 return (error); 6993 } 6994 break; 6995 } 6996 #endif 6997 #ifdef INET 6998 case AF_INET: 6999 { 7000 struct sockaddr_in *sin; 7001 7002 if (addr->sa_len != sizeof(struct sockaddr_in)) { 7003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7004 return (EINVAL); 7005 } 7006 sin = (struct sockaddr_in *)addr; 7007 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 7008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7009 return (error); 7010 } 7011 break; 7012 } 7013 #endif 7014 default: 7015 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 7016 return (EAFNOSUPPORT); 7017 } 7018 SCTP_INP_INCR_REF(inp); 7019 SCTP_ASOC_CREATE_LOCK(inp); 7020 create_lock_on = 1; 7021 NET_EPOCH_ENTER(et); 7022 7023 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 7024 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 7025 /* Should I really unlock ? */ 7026 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 7027 error = EFAULT; 7028 goto out_now; 7029 } 7030 #ifdef INET6 7031 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 7032 (addr->sa_family == AF_INET6)) { 7033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7034 error = EINVAL; 7035 goto out_now; 7036 } 7037 #endif 7038 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 7039 SCTP_PCB_FLAGS_UNBOUND) { 7040 /* Bind a ephemeral port */ 7041 error = sctp_inpcb_bind(so, NULL, NULL, p); 7042 if (error) { 7043 goto out_now; 7044 } 7045 } 7046 /* Now do we connect? */ 7047 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7048 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7049 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7050 error = EINVAL; 7051 goto out_now; 7052 } 7053 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7054 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7055 /* We are already connected AND the TCP model */ 7056 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7057 error = EADDRINUSE; 7058 goto out_now; 7059 } 7060 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7061 SCTP_INP_RLOCK(inp); 7062 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7063 SCTP_INP_RUNLOCK(inp); 7064 } else { 7065 /* 7066 * We increment here since sctp_findassociation_ep_addr() 7067 * will do a decrement if it finds the stcb as long as the 7068 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7069 */ 7070 SCTP_INP_INCR_REF(inp); 7071 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7072 if (stcb == NULL) { 7073 SCTP_INP_DECR_REF(inp); 7074 } else { 7075 SCTP_TCB_UNLOCK(stcb); 7076 } 7077 } 7078 if (stcb != NULL) { 7079 /* Already have or am bring up an association */ 7080 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7081 error = EALREADY; 7082 goto out_now; 7083 } 7084 7085 vrf_id = inp->def_vrf_id; 7086 /* We are GOOD to go */ 7087 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7088 inp->sctp_ep.pre_open_stream_count, 7089 inp->sctp_ep.port, p, 7090 SCTP_INITIALIZE_AUTH_PARAMS); 7091 if (stcb == NULL) { 7092 /* Gak! no memory */ 7093 goto out_now; 7094 } 7095 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7096 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7097 /* Set the connected flag so we can queue data */ 7098 soisconnecting(so); 7099 } 7100 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7101 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7102 7103 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7104 SCTP_TCB_UNLOCK(stcb); 7105 out_now: 7106 NET_EPOCH_EXIT(et); 7107 if (create_lock_on) { 7108 SCTP_ASOC_CREATE_UNLOCK(inp); 7109 } 7110 SCTP_INP_DECR_REF(inp); 7111 return (error); 7112 } 7113 #endif 7114 7115 int 7116 sctp_listen(struct socket *so, int backlog, struct thread *p) 7117 { 7118 /* 7119 * Note this module depends on the protocol processing being called 7120 * AFTER any socket level flags and backlog are applied to the 7121 * socket. The traditional way that the socket flags are applied is 7122 * AFTER protocol processing. We have made a change to the 7123 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7124 * place if the socket API for SCTP is to work properly. 7125 */ 7126 7127 int error = 0; 7128 struct sctp_inpcb *inp; 7129 7130 inp = (struct sctp_inpcb *)so->so_pcb; 7131 if (inp == NULL) { 7132 /* I made the same as TCP since we are not setup? */ 7133 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7134 return (ECONNRESET); 7135 } 7136 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7137 /* See if we have a listener */ 7138 struct sctp_inpcb *tinp; 7139 union sctp_sockstore store; 7140 7141 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7142 /* not bound all */ 7143 struct sctp_laddr *laddr; 7144 7145 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7146 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7147 switch (store.sa.sa_family) { 7148 #ifdef INET 7149 case AF_INET: 7150 store.sin.sin_port = inp->sctp_lport; 7151 break; 7152 #endif 7153 #ifdef INET6 7154 case AF_INET6: 7155 store.sin6.sin6_port = inp->sctp_lport; 7156 break; 7157 #endif 7158 default: 7159 break; 7160 } 7161 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7162 if (tinp && (tinp != inp) && 7163 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7164 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7165 (SCTP_IS_LISTENING(tinp))) { 7166 /* 7167 * we have a listener already and 7168 * its not this inp. 7169 */ 7170 SCTP_INP_DECR_REF(tinp); 7171 return (EADDRINUSE); 7172 } else if (tinp) { 7173 SCTP_INP_DECR_REF(tinp); 7174 } 7175 } 7176 } else { 7177 /* Setup a local addr bound all */ 7178 memset(&store, 0, sizeof(store)); 7179 #ifdef INET6 7180 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7181 store.sa.sa_family = AF_INET6; 7182 store.sa.sa_len = sizeof(struct sockaddr_in6); 7183 } 7184 #endif 7185 #ifdef INET 7186 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7187 store.sa.sa_family = AF_INET; 7188 store.sa.sa_len = sizeof(struct sockaddr_in); 7189 } 7190 #endif 7191 switch (store.sa.sa_family) { 7192 #ifdef INET 7193 case AF_INET: 7194 store.sin.sin_port = inp->sctp_lport; 7195 break; 7196 #endif 7197 #ifdef INET6 7198 case AF_INET6: 7199 store.sin6.sin6_port = inp->sctp_lport; 7200 break; 7201 #endif 7202 default: 7203 break; 7204 } 7205 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7206 if (tinp && (tinp != inp) && 7207 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7208 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7209 (SCTP_IS_LISTENING(tinp))) { 7210 /* 7211 * we have a listener already and its not 7212 * this inp. 7213 */ 7214 SCTP_INP_DECR_REF(tinp); 7215 return (EADDRINUSE); 7216 } else if (tinp) { 7217 SCTP_INP_DECR_REF(tinp); 7218 } 7219 } 7220 } 7221 SCTP_INP_RLOCK(inp); 7222 #ifdef SCTP_LOCK_LOGGING 7223 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7224 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7225 } 7226 #endif 7227 SOCK_LOCK(so); 7228 error = solisten_proto_check(so); 7229 SOCK_UNLOCK(so); 7230 if (error) { 7231 SCTP_INP_RUNLOCK(inp); 7232 return (error); 7233 } 7234 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7235 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7236 /* 7237 * The unlucky case - We are in the tcp pool with this guy. 7238 * - Someone else is in the main inp slot. - We must move 7239 * this guy (the listener) to the main slot - We must then 7240 * move the guy that was listener to the TCP Pool. 7241 */ 7242 if (sctp_swap_inpcb_for_listen(inp)) { 7243 SCTP_INP_RUNLOCK(inp); 7244 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7245 return (EADDRINUSE); 7246 } 7247 } 7248 7249 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7250 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7251 /* We are already connected AND the TCP model */ 7252 SCTP_INP_RUNLOCK(inp); 7253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7254 return (EADDRINUSE); 7255 } 7256 SCTP_INP_RUNLOCK(inp); 7257 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7258 /* We must do a bind. */ 7259 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7260 /* bind error, probably perm */ 7261 return (error); 7262 } 7263 } 7264 SCTP_INP_WLOCK(inp); 7265 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7266 SOCK_LOCK(so); 7267 solisten_proto(so, backlog); 7268 SOCK_UNLOCK(so); 7269 } 7270 if (backlog > 0) { 7271 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7272 } else { 7273 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7274 } 7275 SCTP_INP_WUNLOCK(inp); 7276 return (error); 7277 } 7278 7279 static int sctp_defered_wakeup_cnt = 0; 7280 7281 int 7282 sctp_accept(struct socket *so, struct sockaddr **addr) 7283 { 7284 struct sctp_tcb *stcb; 7285 struct sctp_inpcb *inp; 7286 union sctp_sockstore store; 7287 #ifdef INET6 7288 int error; 7289 #endif 7290 inp = (struct sctp_inpcb *)so->so_pcb; 7291 7292 if (inp == NULL) { 7293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7294 return (ECONNRESET); 7295 } 7296 SCTP_INP_WLOCK(inp); 7297 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7298 SCTP_INP_WUNLOCK(inp); 7299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7300 return (EOPNOTSUPP); 7301 } 7302 if (so->so_state & SS_ISDISCONNECTED) { 7303 SCTP_INP_WUNLOCK(inp); 7304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7305 return (ECONNABORTED); 7306 } 7307 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7308 if (stcb == NULL) { 7309 SCTP_INP_WUNLOCK(inp); 7310 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7311 return (ECONNRESET); 7312 } 7313 SCTP_TCB_LOCK(stcb); 7314 store = stcb->asoc.primary_destination->ro._l_addr; 7315 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7316 /* Wake any delayed sleep action */ 7317 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7318 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7319 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7320 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7321 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7322 if (sowriteable(inp->sctp_socket)) { 7323 sowwakeup_locked(inp->sctp_socket); 7324 } else { 7325 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7326 } 7327 } 7328 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7329 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7330 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7331 if (soreadable(inp->sctp_socket)) { 7332 sctp_defered_wakeup_cnt++; 7333 sorwakeup_locked(inp->sctp_socket); 7334 } else { 7335 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7336 } 7337 } 7338 } 7339 SCTP_INP_WUNLOCK(inp); 7340 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7341 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7342 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7343 } else { 7344 SCTP_TCB_UNLOCK(stcb); 7345 } 7346 switch (store.sa.sa_family) { 7347 #ifdef INET 7348 case AF_INET: 7349 { 7350 struct sockaddr_in *sin; 7351 7352 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7353 if (sin == NULL) 7354 return (ENOMEM); 7355 sin->sin_family = AF_INET; 7356 sin->sin_len = sizeof(*sin); 7357 sin->sin_port = store.sin.sin_port; 7358 sin->sin_addr = store.sin.sin_addr; 7359 *addr = (struct sockaddr *)sin; 7360 break; 7361 } 7362 #endif 7363 #ifdef INET6 7364 case AF_INET6: 7365 { 7366 struct sockaddr_in6 *sin6; 7367 7368 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7369 if (sin6 == NULL) 7370 return (ENOMEM); 7371 sin6->sin6_family = AF_INET6; 7372 sin6->sin6_len = sizeof(*sin6); 7373 sin6->sin6_port = store.sin6.sin6_port; 7374 sin6->sin6_addr = store.sin6.sin6_addr; 7375 if ((error = sa6_recoverscope(sin6)) != 0) { 7376 SCTP_FREE_SONAME(sin6); 7377 return (error); 7378 } 7379 *addr = (struct sockaddr *)sin6; 7380 break; 7381 } 7382 #endif 7383 default: 7384 /* TSNH */ 7385 break; 7386 } 7387 return (0); 7388 } 7389 7390 #ifdef INET 7391 int 7392 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7393 { 7394 struct sockaddr_in *sin; 7395 uint32_t vrf_id; 7396 struct sctp_inpcb *inp; 7397 struct sctp_ifa *sctp_ifa; 7398 7399 /* 7400 * Do the malloc first in case it blocks. 7401 */ 7402 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7403 if (sin == NULL) 7404 return (ENOMEM); 7405 sin->sin_family = AF_INET; 7406 sin->sin_len = sizeof(*sin); 7407 inp = (struct sctp_inpcb *)so->so_pcb; 7408 if (!inp) { 7409 SCTP_FREE_SONAME(sin); 7410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7411 return (ECONNRESET); 7412 } 7413 SCTP_INP_RLOCK(inp); 7414 sin->sin_port = inp->sctp_lport; 7415 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7416 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7417 struct sctp_tcb *stcb; 7418 struct sockaddr_in *sin_a; 7419 struct sctp_nets *net; 7420 int fnd; 7421 7422 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7423 if (stcb == NULL) { 7424 goto notConn; 7425 } 7426 fnd = 0; 7427 sin_a = NULL; 7428 SCTP_TCB_LOCK(stcb); 7429 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7430 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7431 if (sin_a == NULL) 7432 /* this will make coverity happy */ 7433 continue; 7434 7435 if (sin_a->sin_family == AF_INET) { 7436 fnd = 1; 7437 break; 7438 } 7439 } 7440 if ((!fnd) || (sin_a == NULL)) { 7441 /* punt */ 7442 SCTP_TCB_UNLOCK(stcb); 7443 goto notConn; 7444 } 7445 7446 vrf_id = inp->def_vrf_id; 7447 sctp_ifa = sctp_source_address_selection(inp, 7448 stcb, 7449 (sctp_route_t *)&net->ro, 7450 net, 0, vrf_id); 7451 if (sctp_ifa) { 7452 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7453 sctp_free_ifa(sctp_ifa); 7454 } 7455 SCTP_TCB_UNLOCK(stcb); 7456 } else { 7457 /* For the bound all case you get back 0 */ 7458 notConn: 7459 sin->sin_addr.s_addr = 0; 7460 } 7461 7462 } else { 7463 /* Take the first IPv4 address in the list */ 7464 struct sctp_laddr *laddr; 7465 int fnd = 0; 7466 7467 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7468 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7469 struct sockaddr_in *sin_a; 7470 7471 sin_a = &laddr->ifa->address.sin; 7472 sin->sin_addr = sin_a->sin_addr; 7473 fnd = 1; 7474 break; 7475 } 7476 } 7477 if (!fnd) { 7478 SCTP_FREE_SONAME(sin); 7479 SCTP_INP_RUNLOCK(inp); 7480 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7481 return (ENOENT); 7482 } 7483 } 7484 SCTP_INP_RUNLOCK(inp); 7485 (*addr) = (struct sockaddr *)sin; 7486 return (0); 7487 } 7488 7489 int 7490 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7491 { 7492 struct sockaddr_in *sin; 7493 int fnd; 7494 struct sockaddr_in *sin_a; 7495 struct sctp_inpcb *inp; 7496 struct sctp_tcb *stcb; 7497 struct sctp_nets *net; 7498 7499 /* Do the malloc first in case it blocks. */ 7500 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7501 if (sin == NULL) 7502 return (ENOMEM); 7503 sin->sin_family = AF_INET; 7504 sin->sin_len = sizeof(*sin); 7505 7506 inp = (struct sctp_inpcb *)so->so_pcb; 7507 if ((inp == NULL) || 7508 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7509 /* UDP type and listeners will drop out here */ 7510 SCTP_FREE_SONAME(sin); 7511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7512 return (ENOTCONN); 7513 } 7514 SCTP_INP_RLOCK(inp); 7515 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7516 if (stcb) { 7517 SCTP_TCB_LOCK(stcb); 7518 } 7519 SCTP_INP_RUNLOCK(inp); 7520 if (stcb == NULL) { 7521 SCTP_FREE_SONAME(sin); 7522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7523 return (ECONNRESET); 7524 } 7525 fnd = 0; 7526 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7527 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7528 if (sin_a->sin_family == AF_INET) { 7529 fnd = 1; 7530 sin->sin_port = stcb->rport; 7531 sin->sin_addr = sin_a->sin_addr; 7532 break; 7533 } 7534 } 7535 SCTP_TCB_UNLOCK(stcb); 7536 if (!fnd) { 7537 /* No IPv4 address */ 7538 SCTP_FREE_SONAME(sin); 7539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7540 return (ENOENT); 7541 } 7542 (*addr) = (struct sockaddr *)sin; 7543 return (0); 7544 } 7545 7546 struct pr_usrreqs sctp_usrreqs = { 7547 .pru_abort = sctp_abort, 7548 .pru_accept = sctp_accept, 7549 .pru_attach = sctp_attach, 7550 .pru_bind = sctp_bind, 7551 .pru_connect = sctp_connect, 7552 .pru_control = in_control, 7553 .pru_close = sctp_close, 7554 .pru_detach = sctp_close, 7555 .pru_sopoll = sopoll_generic, 7556 .pru_flush = sctp_flush, 7557 .pru_disconnect = sctp_disconnect, 7558 .pru_listen = sctp_listen, 7559 .pru_peeraddr = sctp_peeraddr, 7560 .pru_send = sctp_sendm, 7561 .pru_shutdown = sctp_shutdown, 7562 .pru_sockaddr = sctp_ingetaddr, 7563 .pru_sosend = sctp_sosend, 7564 .pru_soreceive = sctp_soreceive 7565 }; 7566 #endif 7567