1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <netinet/sctp_os.h> 39 #include <sys/proc.h> 40 #include <netinet/sctp_pcb.h> 41 #include <netinet/sctp_header.h> 42 #include <netinet/sctp_var.h> 43 #ifdef INET6 44 #include <netinet6/sctp6_var.h> 45 #endif 46 #include <netinet/sctp_sysctl.h> 47 #include <netinet/sctp_output.h> 48 #include <netinet/sctp_uio.h> 49 #include <netinet/sctp_asconf.h> 50 #include <netinet/sctputil.h> 51 #include <netinet/sctp_indata.h> 52 #include <netinet/sctp_timer.h> 53 #include <netinet/sctp_auth.h> 54 #include <netinet/sctp_bsd_addr.h> 55 #include <netinet/udp.h> 56 #include <sys/eventhandler.h> 57 58 59 extern const struct sctp_cc_functions sctp_cc_functions[]; 60 extern const struct sctp_ss_functions sctp_ss_functions[]; 61 62 void 63 sctp_init(void) 64 { 65 u_long sb_max_adj; 66 67 /* Initialize and modify the sysctled variables */ 68 sctp_init_sysctls(); 69 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 70 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 71 /* 72 * Allow a user to take no more than 1/2 the number of clusters or 73 * the SB_MAX, whichever is smaller, for the send window. 74 */ 75 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 76 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 77 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 78 /* 79 * Now for the recv window, should we take the same amount? or 80 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 81 * now I will just copy. 82 */ 83 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 84 SCTP_BASE_VAR(first_time) = 0; 85 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 86 sctp_pcb_init(); 87 #if defined(SCTP_PACKET_LOGGING) 88 SCTP_BASE_VAR(packet_log_writers) = 0; 89 SCTP_BASE_VAR(packet_log_end) = 0; 90 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 91 #endif 92 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, 93 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); 94 } 95 96 #ifdef VIMAGE 97 static void 98 sctp_finish(void *unused __unused) 99 { 100 sctp_pcb_finish(); 101 } 102 103 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 104 #endif 105 106 void 107 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 108 { 109 struct sctp_tmit_chunk *chk; 110 uint16_t overhead; 111 112 /* Adjust that too */ 113 stcb->asoc.smallest_mtu = nxtsz; 114 /* now off to subtract IP_DF flag if needed */ 115 overhead = IP_HDR_SIZE + sizeof(struct sctphdr); 116 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 117 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 118 } 119 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 120 if ((chk->send_size + overhead) > nxtsz) { 121 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 122 } 123 } 124 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 125 if ((chk->send_size + overhead) > nxtsz) { 126 /* 127 * For this guy we also mark for immediate resend 128 * since we sent to big of chunk 129 */ 130 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 131 if (chk->sent < SCTP_DATAGRAM_RESEND) { 132 sctp_flight_size_decrease(chk); 133 sctp_total_flight_decrease(stcb, chk); 134 chk->sent = SCTP_DATAGRAM_RESEND; 135 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 136 chk->rec.data.doing_fast_retransmit = 0; 137 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 138 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 139 chk->whoTo->flight_size, 140 chk->book_size, 141 (uint32_t)(uintptr_t)chk->whoTo, 142 chk->rec.data.tsn); 143 } 144 /* Clear any time so NO RTT is being done */ 145 if (chk->do_rtt == 1) { 146 chk->do_rtt = 0; 147 chk->whoTo->rto_needed = 1; 148 } 149 } 150 } 151 } 152 } 153 154 #ifdef INET 155 void 156 sctp_notify(struct sctp_inpcb *inp, 157 struct sctp_tcb *stcb, 158 struct sctp_nets *net, 159 uint8_t icmp_type, 160 uint8_t icmp_code, 161 uint16_t ip_len, 162 uint32_t next_mtu) 163 { 164 int timer_stopped; 165 166 if (icmp_type != ICMP_UNREACH) { 167 /* We only care about unreachable */ 168 SCTP_TCB_UNLOCK(stcb); 169 return; 170 } 171 if ((icmp_code == ICMP_UNREACH_NET) || 172 (icmp_code == ICMP_UNREACH_HOST) || 173 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 174 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 175 (icmp_code == ICMP_UNREACH_ISOLATED) || 176 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 177 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 178 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 179 /* Mark the net unreachable. */ 180 if (net->dest_state & SCTP_ADDR_REACHABLE) { 181 /* OK, that destination is NOT reachable. */ 182 net->dest_state &= ~SCTP_ADDR_REACHABLE; 183 net->dest_state &= ~SCTP_ADDR_PF; 184 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 185 stcb, 0, 186 (void *)net, SCTP_SO_NOT_LOCKED); 187 } 188 SCTP_TCB_UNLOCK(stcb); 189 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 190 (icmp_code == ICMP_UNREACH_PORT)) { 191 /* Treat it like an ABORT. */ 192 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 193 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 194 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 195 /* no need to unlock here, since the TCB is gone */ 196 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 197 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 198 SCTP_TCB_UNLOCK(stcb); 199 return; 200 } 201 /* Find the next (smaller) MTU */ 202 if (next_mtu == 0) { 203 /* 204 * Old type router that does not tell us what the 205 * next MTU is. Rats we will have to guess (in a 206 * educated fashion of course). 207 */ 208 next_mtu = sctp_get_prev_mtu(ip_len); 209 } 210 /* Stop the PMTU timer. */ 211 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 212 timer_stopped = 1; 213 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 214 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 215 } else { 216 timer_stopped = 0; 217 } 218 /* Update the path MTU. */ 219 if (net->port) { 220 next_mtu -= sizeof(struct udphdr); 221 } 222 if (net->mtu > next_mtu) { 223 net->mtu = next_mtu; 224 if (net->port) { 225 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 226 } else { 227 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 228 } 229 } 230 /* Update the association MTU */ 231 if (stcb->asoc.smallest_mtu > next_mtu) { 232 sctp_pathmtu_adjustment(stcb, next_mtu); 233 } 234 /* Finally, start the PMTU timer if it was running before. */ 235 if (timer_stopped) { 236 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 237 } 238 SCTP_TCB_UNLOCK(stcb); 239 } else { 240 SCTP_TCB_UNLOCK(stcb); 241 } 242 } 243 244 void 245 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 246 { 247 struct ip *outer_ip; 248 struct ip *inner_ip; 249 struct sctphdr *sh; 250 struct icmp *icmp; 251 struct sctp_inpcb *inp; 252 struct sctp_tcb *stcb; 253 struct sctp_nets *net; 254 struct sctp_init_chunk *ch; 255 struct sockaddr_in src, dst; 256 257 if (sa->sa_family != AF_INET || 258 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 259 return; 260 } 261 if (PRC_IS_REDIRECT(cmd)) { 262 vip = NULL; 263 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 264 return; 265 } 266 if (vip != NULL) { 267 inner_ip = (struct ip *)vip; 268 icmp = (struct icmp *)((caddr_t)inner_ip - 269 (sizeof(struct icmp) - sizeof(struct ip))); 270 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 271 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 272 memset(&src, 0, sizeof(struct sockaddr_in)); 273 src.sin_family = AF_INET; 274 src.sin_len = sizeof(struct sockaddr_in); 275 src.sin_port = sh->src_port; 276 src.sin_addr = inner_ip->ip_src; 277 memset(&dst, 0, sizeof(struct sockaddr_in)); 278 dst.sin_family = AF_INET; 279 dst.sin_len = sizeof(struct sockaddr_in); 280 dst.sin_port = sh->dest_port; 281 dst.sin_addr = inner_ip->ip_dst; 282 /* 283 * 'dst' holds the dest of the packet that failed to be 284 * sent. 'src' holds our local endpoint address. Thus we 285 * reverse the dst and the src in the lookup. 286 */ 287 inp = NULL; 288 net = NULL; 289 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 290 (struct sockaddr *)&src, 291 &inp, &net, 1, 292 SCTP_DEFAULT_VRFID); 293 if ((stcb != NULL) && 294 (net != NULL) && 295 (inp != NULL)) { 296 /* Check the verification tag */ 297 if (ntohl(sh->v_tag) != 0) { 298 /* 299 * This must be the verification tag used 300 * for sending out packets. We don't 301 * consider packets reflecting the 302 * verification tag. 303 */ 304 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 305 SCTP_TCB_UNLOCK(stcb); 306 return; 307 } 308 } else { 309 if (ntohs(outer_ip->ip_len) >= 310 sizeof(struct ip) + 311 8 + (inner_ip->ip_hl << 2) + 20) { 312 /* 313 * In this case we can check if we 314 * got an INIT chunk and if the 315 * initiate tag matches. 316 */ 317 ch = (struct sctp_init_chunk *)(sh + 1); 318 if ((ch->ch.chunk_type != SCTP_INITIATION) || 319 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 320 SCTP_TCB_UNLOCK(stcb); 321 return; 322 } 323 } else { 324 SCTP_TCB_UNLOCK(stcb); 325 return; 326 } 327 } 328 sctp_notify(inp, stcb, net, 329 icmp->icmp_type, 330 icmp->icmp_code, 331 ntohs(inner_ip->ip_len), 332 (uint32_t)ntohs(icmp->icmp_nextmtu)); 333 } else { 334 if ((stcb == NULL) && (inp != NULL)) { 335 /* reduce ref-count */ 336 SCTP_INP_WLOCK(inp); 337 SCTP_INP_DECR_REF(inp); 338 SCTP_INP_WUNLOCK(inp); 339 } 340 if (stcb) { 341 SCTP_TCB_UNLOCK(stcb); 342 } 343 } 344 } 345 return; 346 } 347 #endif 348 349 static int 350 sctp_getcred(SYSCTL_HANDLER_ARGS) 351 { 352 struct xucred xuc; 353 struct sockaddr_in addrs[2]; 354 struct sctp_inpcb *inp; 355 struct sctp_nets *net; 356 struct sctp_tcb *stcb; 357 int error; 358 uint32_t vrf_id; 359 360 /* FIX, for non-bsd is this right? */ 361 vrf_id = SCTP_DEFAULT_VRFID; 362 363 error = priv_check(req->td, PRIV_NETINET_GETCRED); 364 365 if (error) 366 return (error); 367 368 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 369 if (error) 370 return (error); 371 372 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 373 sintosa(&addrs[0]), 374 &inp, &net, 1, vrf_id); 375 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 376 if ((inp != NULL) && (stcb == NULL)) { 377 /* reduce ref-count */ 378 SCTP_INP_WLOCK(inp); 379 SCTP_INP_DECR_REF(inp); 380 goto cred_can_cont; 381 } 382 383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 384 error = ENOENT; 385 goto out; 386 } 387 SCTP_TCB_UNLOCK(stcb); 388 /* 389 * We use the write lock here, only since in the error leg we need 390 * it. If we used RLOCK, then we would have to 391 * wlock/decr/unlock/rlock. Which in theory could create a hole. 392 * Better to use higher wlock. 393 */ 394 SCTP_INP_WLOCK(inp); 395 cred_can_cont: 396 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 397 if (error) { 398 SCTP_INP_WUNLOCK(inp); 399 goto out; 400 } 401 cru2x(inp->sctp_socket->so_cred, &xuc); 402 SCTP_INP_WUNLOCK(inp); 403 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 404 out: 405 return (error); 406 } 407 408 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 409 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 410 0, 0, sctp_getcred, "S,ucred", 411 "Get the ucred of a SCTP connection"); 412 413 414 #ifdef INET 415 static void 416 sctp_abort(struct socket *so) 417 { 418 struct epoch_tracker et; 419 struct sctp_inpcb *inp; 420 uint32_t flags; 421 422 inp = (struct sctp_inpcb *)so->so_pcb; 423 if (inp == NULL) { 424 return; 425 } 426 427 NET_EPOCH_ENTER(et); 428 sctp_must_try_again: 429 flags = inp->sctp_flags; 430 #ifdef SCTP_LOG_CLOSING 431 sctp_log_closing(inp, NULL, 17); 432 #endif 433 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 434 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 435 #ifdef SCTP_LOG_CLOSING 436 sctp_log_closing(inp, NULL, 16); 437 #endif 438 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 439 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 440 SOCK_LOCK(so); 441 SCTP_SB_CLEAR(so->so_snd); 442 /* 443 * same for the rcv ones, they are only here for the 444 * accounting/select. 445 */ 446 SCTP_SB_CLEAR(so->so_rcv); 447 448 /* Now null out the reference, we are completely detached. */ 449 so->so_pcb = NULL; 450 SOCK_UNLOCK(so); 451 } else { 452 flags = inp->sctp_flags; 453 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 454 goto sctp_must_try_again; 455 } 456 } 457 NET_EPOCH_EXIT(et); 458 return; 459 } 460 461 static int 462 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 463 { 464 struct sctp_inpcb *inp; 465 struct inpcb *ip_inp; 466 int error; 467 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 468 469 inp = (struct sctp_inpcb *)so->so_pcb; 470 if (inp != NULL) { 471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 472 return (EINVAL); 473 } 474 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 475 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 476 if (error) { 477 return (error); 478 } 479 } 480 error = sctp_inpcb_alloc(so, vrf_id); 481 if (error) { 482 return (error); 483 } 484 inp = (struct sctp_inpcb *)so->so_pcb; 485 SCTP_INP_WLOCK(inp); 486 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 487 ip_inp = &inp->ip_inp.inp; 488 ip_inp->inp_vflag |= INP_IPV4; 489 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 490 SCTP_INP_WUNLOCK(inp); 491 return (0); 492 } 493 494 static int 495 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 496 { 497 struct sctp_inpcb *inp; 498 499 inp = (struct sctp_inpcb *)so->so_pcb; 500 if (inp == NULL) { 501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 502 return (EINVAL); 503 } 504 if (addr != NULL) { 505 if ((addr->sa_family != AF_INET) || 506 (addr->sa_len != sizeof(struct sockaddr_in))) { 507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 508 return (EINVAL); 509 } 510 } 511 return (sctp_inpcb_bind(so, addr, NULL, p)); 512 } 513 514 #endif 515 void 516 sctp_close(struct socket *so) 517 { 518 struct epoch_tracker et; 519 struct sctp_inpcb *inp; 520 uint32_t flags; 521 522 inp = (struct sctp_inpcb *)so->so_pcb; 523 if (inp == NULL) 524 return; 525 526 /* 527 * Inform all the lower layer assoc that we are done. 528 */ 529 NET_EPOCH_ENTER(et); 530 sctp_must_try_again: 531 flags = inp->sctp_flags; 532 #ifdef SCTP_LOG_CLOSING 533 sctp_log_closing(inp, NULL, 17); 534 #endif 535 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 536 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 537 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 538 (so->so_rcv.sb_cc > 0)) { 539 #ifdef SCTP_LOG_CLOSING 540 sctp_log_closing(inp, NULL, 13); 541 #endif 542 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 543 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 544 } else { 545 #ifdef SCTP_LOG_CLOSING 546 sctp_log_closing(inp, NULL, 14); 547 #endif 548 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 549 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 550 } 551 /* 552 * The socket is now detached, no matter what the state of 553 * the SCTP association. 554 */ 555 SOCK_LOCK(so); 556 SCTP_SB_CLEAR(so->so_snd); 557 /* 558 * same for the rcv ones, they are only here for the 559 * accounting/select. 560 */ 561 SCTP_SB_CLEAR(so->so_rcv); 562 563 /* Now null out the reference, we are completely detached. */ 564 so->so_pcb = NULL; 565 SOCK_UNLOCK(so); 566 } else { 567 flags = inp->sctp_flags; 568 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 569 goto sctp_must_try_again; 570 } 571 } 572 NET_EPOCH_EXIT(et); 573 return; 574 } 575 576 577 int 578 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 579 struct mbuf *control, struct thread *p); 580 581 582 int 583 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 584 struct mbuf *control, struct thread *p) 585 { 586 struct sctp_inpcb *inp; 587 int error; 588 589 inp = (struct sctp_inpcb *)so->so_pcb; 590 if (inp == NULL) { 591 if (control) { 592 sctp_m_freem(control); 593 control = NULL; 594 } 595 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 596 sctp_m_freem(m); 597 return (EINVAL); 598 } 599 /* Got to have an to address if we are NOT a connected socket */ 600 if ((addr == NULL) && 601 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 602 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 603 goto connected_type; 604 } else if (addr == NULL) { 605 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 606 error = EDESTADDRREQ; 607 sctp_m_freem(m); 608 if (control) { 609 sctp_m_freem(control); 610 control = NULL; 611 } 612 return (error); 613 } 614 #ifdef INET6 615 if (addr->sa_family != AF_INET) { 616 /* must be a v4 address! */ 617 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 618 sctp_m_freem(m); 619 if (control) { 620 sctp_m_freem(control); 621 control = NULL; 622 } 623 error = EDESTADDRREQ; 624 return (error); 625 } 626 #endif /* INET6 */ 627 connected_type: 628 /* now what about control */ 629 if (control) { 630 if (inp->control) { 631 sctp_m_freem(inp->control); 632 inp->control = NULL; 633 } 634 inp->control = control; 635 } 636 /* Place the data */ 637 if (inp->pkt) { 638 SCTP_BUF_NEXT(inp->pkt_last) = m; 639 inp->pkt_last = m; 640 } else { 641 inp->pkt_last = inp->pkt = m; 642 } 643 if ( 644 /* FreeBSD uses a flag passed */ 645 ((flags & PRUS_MORETOCOME) == 0) 646 ) { 647 /* 648 * note with the current version this code will only be used 649 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 650 * re-defining sosend to use the sctp_sosend. One can 651 * optionally switch back to this code (by changing back the 652 * definitions) but this is not advisable. This code is used 653 * by FreeBSD when sending a file with sendfile() though. 654 */ 655 struct epoch_tracker et; 656 int ret; 657 658 NET_EPOCH_ENTER(et); 659 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 660 NET_EPOCH_EXIT(et); 661 inp->pkt = NULL; 662 inp->control = NULL; 663 return (ret); 664 } else { 665 return (0); 666 } 667 } 668 669 int 670 sctp_disconnect(struct socket *so) 671 { 672 struct sctp_inpcb *inp; 673 674 inp = (struct sctp_inpcb *)so->so_pcb; 675 if (inp == NULL) { 676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 677 return (ENOTCONN); 678 } 679 SCTP_INP_RLOCK(inp); 680 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 681 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 682 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 683 /* No connection */ 684 SCTP_INP_RUNLOCK(inp); 685 return (0); 686 } else { 687 struct epoch_tracker et; 688 struct sctp_association *asoc; 689 struct sctp_tcb *stcb; 690 691 stcb = LIST_FIRST(&inp->sctp_asoc_list); 692 if (stcb == NULL) { 693 SCTP_INP_RUNLOCK(inp); 694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 695 return (EINVAL); 696 } 697 SCTP_TCB_LOCK(stcb); 698 asoc = &stcb->asoc; 699 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 700 /* We are about to be freed, out of here */ 701 SCTP_TCB_UNLOCK(stcb); 702 SCTP_INP_RUNLOCK(inp); 703 return (0); 704 } 705 NET_EPOCH_ENTER(et); 706 if (((so->so_options & SO_LINGER) && 707 (so->so_linger == 0)) || 708 (so->so_rcv.sb_cc > 0)) { 709 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 710 /* Left with Data unread */ 711 struct mbuf *op_err; 712 713 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 714 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 715 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 716 } 717 SCTP_INP_RUNLOCK(inp); 718 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 719 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 720 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 721 } 722 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 723 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 724 /* No unlock tcb assoc is gone */ 725 NET_EPOCH_EXIT(et); 726 return (0); 727 } 728 if (TAILQ_EMPTY(&asoc->send_queue) && 729 TAILQ_EMPTY(&asoc->sent_queue) && 730 (asoc->stream_queue_cnt == 0)) { 731 /* there is nothing queued to send, so done */ 732 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 733 goto abort_anyway; 734 } 735 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 736 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 737 /* only send SHUTDOWN 1st time thru */ 738 struct sctp_nets *netp; 739 740 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 741 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 742 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 743 } 744 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 745 sctp_stop_timers_for_shutdown(stcb); 746 if (stcb->asoc.alternate) { 747 netp = stcb->asoc.alternate; 748 } else { 749 netp = stcb->asoc.primary_destination; 750 } 751 sctp_send_shutdown(stcb, netp); 752 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 753 stcb->sctp_ep, stcb, netp); 754 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 755 stcb->sctp_ep, stcb, NULL); 756 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 757 } 758 } else { 759 /* 760 * we still got (or just got) data to send, 761 * so set SHUTDOWN_PENDING 762 */ 763 /* 764 * XXX sockets draft says that SCTP_EOF 765 * should be sent with no data. currently, 766 * we will allow user data to be sent first 767 * and move to SHUTDOWN-PENDING 768 */ 769 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 770 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 771 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 772 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 773 } 774 if (TAILQ_EMPTY(&asoc->send_queue) && 775 TAILQ_EMPTY(&asoc->sent_queue) && 776 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 777 struct mbuf *op_err; 778 779 abort_anyway: 780 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 781 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 782 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 783 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 784 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 785 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 786 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 787 } 788 SCTP_INP_RUNLOCK(inp); 789 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 790 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 791 NET_EPOCH_EXIT(et); 792 return (0); 793 } else { 794 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 795 } 796 } 797 soisdisconnecting(so); 798 NET_EPOCH_EXIT(et); 799 SCTP_TCB_UNLOCK(stcb); 800 SCTP_INP_RUNLOCK(inp); 801 return (0); 802 } 803 /* not reached */ 804 } else { 805 /* UDP model does not support this */ 806 SCTP_INP_RUNLOCK(inp); 807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 808 return (EOPNOTSUPP); 809 } 810 } 811 812 int 813 sctp_flush(struct socket *so, int how) 814 { 815 /* 816 * We will just clear out the values and let subsequent close clear 817 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 818 * they will not be able to read the data, the socket will block 819 * that from happening. 820 */ 821 struct sctp_inpcb *inp; 822 823 inp = (struct sctp_inpcb *)so->so_pcb; 824 if (inp == NULL) { 825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 826 return (EINVAL); 827 } 828 SCTP_INP_RLOCK(inp); 829 /* For the 1 to many model this does nothing */ 830 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 831 SCTP_INP_RUNLOCK(inp); 832 return (0); 833 } 834 SCTP_INP_RUNLOCK(inp); 835 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 836 /* 837 * First make sure the sb will be happy, we don't use these 838 * except maybe the count 839 */ 840 SCTP_INP_WLOCK(inp); 841 SCTP_INP_READ_LOCK(inp); 842 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 843 SCTP_INP_READ_UNLOCK(inp); 844 SCTP_INP_WUNLOCK(inp); 845 so->so_rcv.sb_cc = 0; 846 so->so_rcv.sb_mbcnt = 0; 847 so->so_rcv.sb_mb = NULL; 848 } 849 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 850 /* 851 * First make sure the sb will be happy, we don't use these 852 * except maybe the count 853 */ 854 so->so_snd.sb_cc = 0; 855 so->so_snd.sb_mbcnt = 0; 856 so->so_snd.sb_mb = NULL; 857 858 } 859 return (0); 860 } 861 862 int 863 sctp_shutdown(struct socket *so) 864 { 865 struct sctp_inpcb *inp; 866 867 inp = (struct sctp_inpcb *)so->so_pcb; 868 if (inp == NULL) { 869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 870 return (EINVAL); 871 } 872 SCTP_INP_RLOCK(inp); 873 /* For UDP model this is a invalid call */ 874 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 875 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 876 /* Restore the flags that the soshutdown took away. */ 877 SOCKBUF_LOCK(&so->so_rcv); 878 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 879 SOCKBUF_UNLOCK(&so->so_rcv); 880 /* This proc will wakeup for read and do nothing (I hope) */ 881 SCTP_INP_RUNLOCK(inp); 882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 883 return (EOPNOTSUPP); 884 } else { 885 /* 886 * Ok, if we reach here its the TCP model and it is either a 887 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 888 * against it. 889 */ 890 struct epoch_tracker et; 891 struct sctp_tcb *stcb; 892 struct sctp_association *asoc; 893 struct sctp_nets *netp; 894 895 if ((so->so_state & 896 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 897 SCTP_INP_RUNLOCK(inp); 898 return (ENOTCONN); 899 } 900 socantsendmore(so); 901 902 stcb = LIST_FIRST(&inp->sctp_asoc_list); 903 if (stcb == NULL) { 904 /* 905 * Ok, we hit the case that the shutdown call was 906 * made after an abort or something. Nothing to do 907 * now. 908 */ 909 SCTP_INP_RUNLOCK(inp); 910 return (0); 911 } 912 SCTP_TCB_LOCK(stcb); 913 asoc = &stcb->asoc; 914 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 915 SCTP_TCB_UNLOCK(stcb); 916 SCTP_INP_RUNLOCK(inp); 917 return (0); 918 } 919 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 920 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 921 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 922 /* 923 * If we are not in or before ESTABLISHED, there is 924 * no protocol action required. 925 */ 926 SCTP_TCB_UNLOCK(stcb); 927 SCTP_INP_RUNLOCK(inp); 928 return (0); 929 } 930 NET_EPOCH_ENTER(et); 931 if (stcb->asoc.alternate) { 932 netp = stcb->asoc.alternate; 933 } else { 934 netp = stcb->asoc.primary_destination; 935 } 936 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 937 TAILQ_EMPTY(&asoc->send_queue) && 938 TAILQ_EMPTY(&asoc->sent_queue) && 939 (asoc->stream_queue_cnt == 0)) { 940 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 941 goto abort_anyway; 942 } 943 /* there is nothing queued to send, so I'm done... */ 944 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 945 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 946 sctp_stop_timers_for_shutdown(stcb); 947 sctp_send_shutdown(stcb, netp); 948 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 949 stcb->sctp_ep, stcb, netp); 950 } else { 951 /* 952 * We still got (or just got) data to send, so set 953 * SHUTDOWN_PENDING. 954 */ 955 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 956 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 957 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 958 } 959 if (TAILQ_EMPTY(&asoc->send_queue) && 960 TAILQ_EMPTY(&asoc->sent_queue) && 961 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 962 struct mbuf *op_err; 963 964 abort_anyway: 965 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 966 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 967 SCTP_INP_RUNLOCK(inp); 968 sctp_abort_an_association(stcb->sctp_ep, stcb, 969 op_err, SCTP_SO_LOCKED); 970 NET_EPOCH_EXIT(et); 971 return (0); 972 } 973 } 974 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 975 /* 976 * XXX: Why do this in the case where we have still data 977 * queued? 978 */ 979 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 980 SCTP_TCB_UNLOCK(stcb); 981 SCTP_INP_RUNLOCK(inp); 982 NET_EPOCH_EXIT(et); 983 return (0); 984 } 985 } 986 987 /* 988 * copies a "user" presentable address and removes embedded scope, etc. 989 * returns 0 on success, 1 on error 990 */ 991 static uint32_t 992 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 993 { 994 #ifdef INET6 995 struct sockaddr_in6 lsa6; 996 997 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 998 &lsa6); 999 #endif 1000 memcpy(ss, sa, sa->sa_len); 1001 return (0); 1002 } 1003 1004 1005 1006 /* 1007 * NOTE: assumes addr lock is held 1008 */ 1009 static size_t 1010 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1011 struct sctp_tcb *stcb, 1012 size_t limit, 1013 struct sockaddr_storage *sas, 1014 uint32_t vrf_id) 1015 { 1016 struct sctp_ifn *sctp_ifn; 1017 struct sctp_ifa *sctp_ifa; 1018 size_t actual; 1019 int loopback_scope; 1020 #if defined(INET) 1021 int ipv4_local_scope, ipv4_addr_legal; 1022 #endif 1023 #if defined(INET6) 1024 int local_scope, site_scope, ipv6_addr_legal; 1025 #endif 1026 struct sctp_vrf *vrf; 1027 1028 actual = 0; 1029 if (limit == 0) 1030 return (actual); 1031 1032 if (stcb) { 1033 /* Turn on all the appropriate scope */ 1034 loopback_scope = stcb->asoc.scope.loopback_scope; 1035 #if defined(INET) 1036 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1037 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1038 #endif 1039 #if defined(INET6) 1040 local_scope = stcb->asoc.scope.local_scope; 1041 site_scope = stcb->asoc.scope.site_scope; 1042 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1043 #endif 1044 } else { 1045 /* Use generic values for endpoints. */ 1046 loopback_scope = 1; 1047 #if defined(INET) 1048 ipv4_local_scope = 1; 1049 #endif 1050 #if defined(INET6) 1051 local_scope = 1; 1052 site_scope = 1; 1053 #endif 1054 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1055 #if defined(INET6) 1056 ipv6_addr_legal = 1; 1057 #endif 1058 #if defined(INET) 1059 if (SCTP_IPV6_V6ONLY(inp)) { 1060 ipv4_addr_legal = 0; 1061 } else { 1062 ipv4_addr_legal = 1; 1063 } 1064 #endif 1065 } else { 1066 #if defined(INET6) 1067 ipv6_addr_legal = 0; 1068 #endif 1069 #if defined(INET) 1070 ipv4_addr_legal = 1; 1071 #endif 1072 } 1073 } 1074 vrf = sctp_find_vrf(vrf_id); 1075 if (vrf == NULL) { 1076 return (0); 1077 } 1078 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1079 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1080 if ((loopback_scope == 0) && 1081 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1082 /* Skip loopback if loopback_scope not set */ 1083 continue; 1084 } 1085 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1086 if (stcb) { 1087 /* 1088 * For the BOUND-ALL case, the list 1089 * associated with a TCB is Always 1090 * considered a reverse list.. i.e. 1091 * it lists addresses that are NOT 1092 * part of the association. If this 1093 * is one of those we must skip it. 1094 */ 1095 if (sctp_is_addr_restricted(stcb, 1096 sctp_ifa)) { 1097 continue; 1098 } 1099 } 1100 switch (sctp_ifa->address.sa.sa_family) { 1101 #ifdef INET 1102 case AF_INET: 1103 if (ipv4_addr_legal) { 1104 struct sockaddr_in *sin; 1105 1106 sin = &sctp_ifa->address.sin; 1107 if (sin->sin_addr.s_addr == 0) { 1108 /* 1109 * we skip 1110 * unspecifed 1111 * addresses 1112 */ 1113 continue; 1114 } 1115 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1116 &sin->sin_addr) != 0) { 1117 continue; 1118 } 1119 if ((ipv4_local_scope == 0) && 1120 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1121 continue; 1122 } 1123 #ifdef INET6 1124 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1125 if (actual + sizeof(struct sockaddr_in6) > limit) { 1126 return (actual); 1127 } 1128 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1129 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1130 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1131 actual += sizeof(struct sockaddr_in6); 1132 } else { 1133 #endif 1134 if (actual + sizeof(struct sockaddr_in) > limit) { 1135 return (actual); 1136 } 1137 memcpy(sas, sin, sizeof(struct sockaddr_in)); 1138 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1139 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in)); 1140 actual += sizeof(struct sockaddr_in); 1141 #ifdef INET6 1142 } 1143 #endif 1144 } else { 1145 continue; 1146 } 1147 break; 1148 #endif 1149 #ifdef INET6 1150 case AF_INET6: 1151 if (ipv6_addr_legal) { 1152 struct sockaddr_in6 *sin6; 1153 1154 sin6 = &sctp_ifa->address.sin6; 1155 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1156 /* 1157 * we skip 1158 * unspecifed 1159 * addresses 1160 */ 1161 continue; 1162 } 1163 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1164 &sin6->sin6_addr) != 0) { 1165 continue; 1166 } 1167 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1168 if (local_scope == 0) 1169 continue; 1170 if (sin6->sin6_scope_id == 0) { 1171 if (sa6_recoverscope(sin6) != 0) 1172 /* 1173 * 1174 * bad 1175 * link 1176 * 1177 * local 1178 * 1179 * address 1180 */ 1181 continue; 1182 } 1183 } 1184 if ((site_scope == 0) && 1185 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1186 continue; 1187 } 1188 if (actual + sizeof(struct sockaddr_in6) > limit) { 1189 return (actual); 1190 } 1191 memcpy(sas, sin6, sizeof(struct sockaddr_in6)); 1192 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1193 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1194 actual += sizeof(struct sockaddr_in6); 1195 } else { 1196 continue; 1197 } 1198 break; 1199 #endif 1200 default: 1201 /* TSNH */ 1202 break; 1203 } 1204 } 1205 } 1206 } else { 1207 struct sctp_laddr *laddr; 1208 size_t sa_len; 1209 1210 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1211 if (stcb) { 1212 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1213 continue; 1214 } 1215 } 1216 sa_len = laddr->ifa->address.sa.sa_len; 1217 if (actual + sa_len > limit) { 1218 return (actual); 1219 } 1220 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1221 continue; 1222 switch (laddr->ifa->address.sa.sa_family) { 1223 #ifdef INET 1224 case AF_INET: 1225 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1226 break; 1227 #endif 1228 #ifdef INET6 1229 case AF_INET6: 1230 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1231 break; 1232 #endif 1233 default: 1234 /* TSNH */ 1235 break; 1236 } 1237 sas = (struct sockaddr_storage *)((caddr_t)sas + sa_len); 1238 actual += sa_len; 1239 } 1240 } 1241 return (actual); 1242 } 1243 1244 static size_t 1245 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1246 struct sctp_tcb *stcb, 1247 size_t limit, 1248 struct sockaddr_storage *sas) 1249 { 1250 size_t size = 0; 1251 1252 SCTP_IPI_ADDR_RLOCK(); 1253 /* fill up addresses for the endpoint's default vrf */ 1254 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1255 inp->def_vrf_id); 1256 SCTP_IPI_ADDR_RUNLOCK(); 1257 return (size); 1258 } 1259 1260 /* 1261 * NOTE: assumes addr lock is held 1262 */ 1263 static int 1264 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1265 { 1266 int cnt = 0; 1267 struct sctp_vrf *vrf = NULL; 1268 1269 /* 1270 * In both sub-set bound an bound_all cases we return the MAXIMUM 1271 * number of addresses that you COULD get. In reality the sub-set 1272 * bound may have an exclusion list for a given TCB OR in the 1273 * bound-all case a TCB may NOT include the loopback or other 1274 * addresses as well. 1275 */ 1276 vrf = sctp_find_vrf(vrf_id); 1277 if (vrf == NULL) { 1278 return (0); 1279 } 1280 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1281 struct sctp_ifn *sctp_ifn; 1282 struct sctp_ifa *sctp_ifa; 1283 1284 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1285 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1286 /* Count them if they are the right type */ 1287 switch (sctp_ifa->address.sa.sa_family) { 1288 #ifdef INET 1289 case AF_INET: 1290 #ifdef INET6 1291 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1292 cnt += sizeof(struct sockaddr_in6); 1293 else 1294 cnt += sizeof(struct sockaddr_in); 1295 #else 1296 cnt += sizeof(struct sockaddr_in); 1297 #endif 1298 break; 1299 #endif 1300 #ifdef INET6 1301 case AF_INET6: 1302 cnt += sizeof(struct sockaddr_in6); 1303 break; 1304 #endif 1305 default: 1306 break; 1307 } 1308 } 1309 } 1310 } else { 1311 struct sctp_laddr *laddr; 1312 1313 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1314 switch (laddr->ifa->address.sa.sa_family) { 1315 #ifdef INET 1316 case AF_INET: 1317 #ifdef INET6 1318 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1319 cnt += sizeof(struct sockaddr_in6); 1320 else 1321 cnt += sizeof(struct sockaddr_in); 1322 #else 1323 cnt += sizeof(struct sockaddr_in); 1324 #endif 1325 break; 1326 #endif 1327 #ifdef INET6 1328 case AF_INET6: 1329 cnt += sizeof(struct sockaddr_in6); 1330 break; 1331 #endif 1332 default: 1333 break; 1334 } 1335 } 1336 } 1337 return (cnt); 1338 } 1339 1340 static int 1341 sctp_count_max_addresses(struct sctp_inpcb *inp) 1342 { 1343 int cnt = 0; 1344 1345 SCTP_IPI_ADDR_RLOCK(); 1346 /* count addresses for the endpoint's default VRF */ 1347 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1348 SCTP_IPI_ADDR_RUNLOCK(); 1349 return (cnt); 1350 } 1351 1352 static int 1353 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1354 size_t optsize, void *p, int delay) 1355 { 1356 int error; 1357 int creat_lock_on = 0; 1358 struct sctp_tcb *stcb = NULL; 1359 struct sockaddr *sa; 1360 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1361 uint32_t vrf_id; 1362 sctp_assoc_t *a_id; 1363 1364 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1365 1366 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1367 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1368 /* We are already connected AND the TCP model */ 1369 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1370 return (EADDRINUSE); 1371 } 1372 1373 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1374 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1375 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1376 return (EINVAL); 1377 } 1378 1379 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1380 SCTP_INP_RLOCK(inp); 1381 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1382 SCTP_INP_RUNLOCK(inp); 1383 } 1384 if (stcb) { 1385 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1386 return (EALREADY); 1387 } 1388 SCTP_INP_INCR_REF(inp); 1389 SCTP_ASOC_CREATE_LOCK(inp); 1390 creat_lock_on = 1; 1391 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1392 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1393 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1394 error = EFAULT; 1395 goto out_now; 1396 } 1397 totaddrp = (unsigned int *)optval; 1398 totaddr = *totaddrp; 1399 sa = (struct sockaddr *)(totaddrp + 1); 1400 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1401 if (error != 0) { 1402 /* Already have or am bring up an association */ 1403 SCTP_ASOC_CREATE_UNLOCK(inp); 1404 creat_lock_on = 0; 1405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1406 goto out_now; 1407 } 1408 #ifdef INET6 1409 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1410 (num_v6 > 0)) { 1411 error = EINVAL; 1412 goto out_now; 1413 } 1414 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1415 (num_v4 > 0)) { 1416 if (SCTP_IPV6_V6ONLY(inp)) { 1417 /* 1418 * if IPV6_V6ONLY flag, ignore connections destined 1419 * to a v4 addr or v4-mapped addr 1420 */ 1421 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1422 error = EINVAL; 1423 goto out_now; 1424 } 1425 } 1426 #endif /* INET6 */ 1427 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1428 SCTP_PCB_FLAGS_UNBOUND) { 1429 /* Bind a ephemeral port */ 1430 error = sctp_inpcb_bind(so, NULL, NULL, p); 1431 if (error) { 1432 goto out_now; 1433 } 1434 } 1435 1436 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1437 vrf_id = inp->def_vrf_id; 1438 1439 1440 /* We are GOOD to go */ 1441 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1442 inp->sctp_ep.pre_open_stream_count, 1443 inp->sctp_ep.port, 1444 (struct thread *)p, 1445 SCTP_INITIALIZE_AUTH_PARAMS); 1446 if (stcb == NULL) { 1447 /* Gak! no memory */ 1448 goto out_now; 1449 } 1450 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1451 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1452 /* Set the connected flag so we can queue data */ 1453 soisconnecting(so); 1454 } 1455 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1456 /* move to second address */ 1457 switch (sa->sa_family) { 1458 #ifdef INET 1459 case AF_INET: 1460 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1461 break; 1462 #endif 1463 #ifdef INET6 1464 case AF_INET6: 1465 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1466 break; 1467 #endif 1468 default: 1469 break; 1470 } 1471 1472 error = 0; 1473 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1474 /* Fill in the return id */ 1475 if (error) { 1476 goto out_now; 1477 } 1478 a_id = (sctp_assoc_t *)optval; 1479 *a_id = sctp_get_associd(stcb); 1480 1481 if (delay) { 1482 /* doing delayed connection */ 1483 stcb->asoc.delayed_connection = 1; 1484 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1485 } else { 1486 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1487 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1488 } 1489 SCTP_TCB_UNLOCK(stcb); 1490 out_now: 1491 if (creat_lock_on) { 1492 SCTP_ASOC_CREATE_UNLOCK(inp); 1493 } 1494 SCTP_INP_DECR_REF(inp); 1495 return (error); 1496 } 1497 1498 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1499 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1500 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1501 SCTP_INP_RLOCK(inp); \ 1502 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1503 if (stcb) { \ 1504 SCTP_TCB_LOCK(stcb); \ 1505 } \ 1506 SCTP_INP_RUNLOCK(inp); \ 1507 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1508 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1509 if (stcb == NULL) { \ 1510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1511 error = ENOENT; \ 1512 break; \ 1513 } \ 1514 } else { \ 1515 stcb = NULL; \ 1516 } \ 1517 } 1518 1519 1520 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1521 if (size < sizeof(type)) { \ 1522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1523 error = EINVAL; \ 1524 break; \ 1525 } else { \ 1526 destp = (type *)srcp; \ 1527 } \ 1528 } 1529 1530 static int 1531 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1532 void *p) 1533 { 1534 struct sctp_inpcb *inp = NULL; 1535 int error, val = 0; 1536 struct sctp_tcb *stcb = NULL; 1537 1538 if (optval == NULL) { 1539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1540 return (EINVAL); 1541 } 1542 1543 inp = (struct sctp_inpcb *)so->so_pcb; 1544 if (inp == NULL) { 1545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1546 return EINVAL; 1547 } 1548 error = 0; 1549 1550 switch (optname) { 1551 case SCTP_NODELAY: 1552 case SCTP_AUTOCLOSE: 1553 case SCTP_EXPLICIT_EOR: 1554 case SCTP_AUTO_ASCONF: 1555 case SCTP_DISABLE_FRAGMENTS: 1556 case SCTP_I_WANT_MAPPED_V4_ADDR: 1557 case SCTP_USE_EXT_RCVINFO: 1558 SCTP_INP_RLOCK(inp); 1559 switch (optname) { 1560 case SCTP_DISABLE_FRAGMENTS: 1561 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1562 break; 1563 case SCTP_I_WANT_MAPPED_V4_ADDR: 1564 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1565 break; 1566 case SCTP_AUTO_ASCONF: 1567 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1568 /* only valid for bound all sockets */ 1569 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1570 } else { 1571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1572 error = EINVAL; 1573 goto flags_out; 1574 } 1575 break; 1576 case SCTP_EXPLICIT_EOR: 1577 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1578 break; 1579 case SCTP_NODELAY: 1580 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1581 break; 1582 case SCTP_USE_EXT_RCVINFO: 1583 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1584 break; 1585 case SCTP_AUTOCLOSE: 1586 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1587 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1588 else 1589 val = 0; 1590 break; 1591 1592 default: 1593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1594 error = ENOPROTOOPT; 1595 } /* end switch (sopt->sopt_name) */ 1596 if (*optsize < sizeof(val)) { 1597 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1598 error = EINVAL; 1599 } 1600 flags_out: 1601 SCTP_INP_RUNLOCK(inp); 1602 if (error == 0) { 1603 /* return the option value */ 1604 *(int *)optval = val; 1605 *optsize = sizeof(val); 1606 } 1607 break; 1608 case SCTP_GET_PACKET_LOG: 1609 { 1610 #ifdef SCTP_PACKET_LOGGING 1611 uint8_t *target; 1612 int ret; 1613 1614 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1615 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1616 *optsize = ret; 1617 #else 1618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1619 error = EOPNOTSUPP; 1620 #endif 1621 break; 1622 } 1623 case SCTP_REUSE_PORT: 1624 { 1625 uint32_t *value; 1626 1627 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1628 /* Can't do this for a 1-m socket */ 1629 error = EINVAL; 1630 break; 1631 } 1632 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1633 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1634 *optsize = sizeof(uint32_t); 1635 break; 1636 } 1637 case SCTP_PARTIAL_DELIVERY_POINT: 1638 { 1639 uint32_t *value; 1640 1641 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1642 *value = inp->partial_delivery_point; 1643 *optsize = sizeof(uint32_t); 1644 break; 1645 } 1646 case SCTP_FRAGMENT_INTERLEAVE: 1647 { 1648 uint32_t *value; 1649 1650 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1651 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1652 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1653 *value = SCTP_FRAG_LEVEL_2; 1654 } else { 1655 *value = SCTP_FRAG_LEVEL_1; 1656 } 1657 } else { 1658 *value = SCTP_FRAG_LEVEL_0; 1659 } 1660 *optsize = sizeof(uint32_t); 1661 break; 1662 } 1663 case SCTP_INTERLEAVING_SUPPORTED: 1664 { 1665 struct sctp_assoc_value *av; 1666 1667 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1668 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1669 1670 if (stcb) { 1671 av->assoc_value = stcb->asoc.idata_supported; 1672 SCTP_TCB_UNLOCK(stcb); 1673 } else { 1674 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1675 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1676 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1677 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1678 SCTP_INP_RLOCK(inp); 1679 if (inp->idata_supported) { 1680 av->assoc_value = 1; 1681 } else { 1682 av->assoc_value = 0; 1683 } 1684 SCTP_INP_RUNLOCK(inp); 1685 } else { 1686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1687 error = EINVAL; 1688 } 1689 } 1690 if (error == 0) { 1691 *optsize = sizeof(struct sctp_assoc_value); 1692 } 1693 break; 1694 } 1695 case SCTP_CMT_ON_OFF: 1696 { 1697 struct sctp_assoc_value *av; 1698 1699 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1700 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1701 if (stcb) { 1702 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1703 SCTP_TCB_UNLOCK(stcb); 1704 } else { 1705 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1706 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1707 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1708 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1709 SCTP_INP_RLOCK(inp); 1710 av->assoc_value = inp->sctp_cmt_on_off; 1711 SCTP_INP_RUNLOCK(inp); 1712 } else { 1713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1714 error = EINVAL; 1715 } 1716 } 1717 if (error == 0) { 1718 *optsize = sizeof(struct sctp_assoc_value); 1719 } 1720 break; 1721 } 1722 case SCTP_PLUGGABLE_CC: 1723 { 1724 struct sctp_assoc_value *av; 1725 1726 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1727 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1728 if (stcb) { 1729 av->assoc_value = stcb->asoc.congestion_control_module; 1730 SCTP_TCB_UNLOCK(stcb); 1731 } else { 1732 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1733 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1734 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1735 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1736 SCTP_INP_RLOCK(inp); 1737 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1738 SCTP_INP_RUNLOCK(inp); 1739 } else { 1740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1741 error = EINVAL; 1742 } 1743 } 1744 if (error == 0) { 1745 *optsize = sizeof(struct sctp_assoc_value); 1746 } 1747 break; 1748 } 1749 case SCTP_CC_OPTION: 1750 { 1751 struct sctp_cc_option *cc_opt; 1752 1753 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1754 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1755 if (stcb == NULL) { 1756 error = EINVAL; 1757 } else { 1758 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1759 error = ENOTSUP; 1760 } else { 1761 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1762 *optsize = sizeof(struct sctp_cc_option); 1763 } 1764 SCTP_TCB_UNLOCK(stcb); 1765 } 1766 break; 1767 } 1768 case SCTP_PLUGGABLE_SS: 1769 { 1770 struct sctp_assoc_value *av; 1771 1772 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1773 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1774 if (stcb) { 1775 av->assoc_value = stcb->asoc.stream_scheduling_module; 1776 SCTP_TCB_UNLOCK(stcb); 1777 } else { 1778 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1779 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1780 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1781 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1782 SCTP_INP_RLOCK(inp); 1783 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1784 SCTP_INP_RUNLOCK(inp); 1785 } else { 1786 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1787 error = EINVAL; 1788 } 1789 } 1790 if (error == 0) { 1791 *optsize = sizeof(struct sctp_assoc_value); 1792 } 1793 break; 1794 } 1795 case SCTP_SS_VALUE: 1796 { 1797 struct sctp_stream_value *av; 1798 1799 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1800 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1801 if (stcb) { 1802 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1803 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1804 &av->stream_value) < 0)) { 1805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1806 error = EINVAL; 1807 } else { 1808 *optsize = sizeof(struct sctp_stream_value); 1809 } 1810 SCTP_TCB_UNLOCK(stcb); 1811 } else { 1812 /* 1813 * Can't get stream value without 1814 * association 1815 */ 1816 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1817 error = EINVAL; 1818 } 1819 break; 1820 } 1821 case SCTP_GET_ADDR_LEN: 1822 { 1823 struct sctp_assoc_value *av; 1824 1825 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1826 error = EINVAL; 1827 #ifdef INET 1828 if (av->assoc_value == AF_INET) { 1829 av->assoc_value = sizeof(struct sockaddr_in); 1830 error = 0; 1831 } 1832 #endif 1833 #ifdef INET6 1834 if (av->assoc_value == AF_INET6) { 1835 av->assoc_value = sizeof(struct sockaddr_in6); 1836 error = 0; 1837 } 1838 #endif 1839 if (error) { 1840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1841 } else { 1842 *optsize = sizeof(struct sctp_assoc_value); 1843 } 1844 break; 1845 } 1846 case SCTP_GET_ASSOC_NUMBER: 1847 { 1848 uint32_t *value, cnt; 1849 1850 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1851 SCTP_INP_RLOCK(inp); 1852 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1853 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1854 /* Can't do this for a 1-1 socket */ 1855 error = EINVAL; 1856 SCTP_INP_RUNLOCK(inp); 1857 break; 1858 } 1859 cnt = 0; 1860 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1861 cnt++; 1862 } 1863 SCTP_INP_RUNLOCK(inp); 1864 *value = cnt; 1865 *optsize = sizeof(uint32_t); 1866 break; 1867 } 1868 case SCTP_GET_ASSOC_ID_LIST: 1869 { 1870 struct sctp_assoc_ids *ids; 1871 uint32_t at; 1872 size_t limit; 1873 1874 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1875 SCTP_INP_RLOCK(inp); 1876 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1877 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1878 /* Can't do this for a 1-1 socket */ 1879 error = EINVAL; 1880 SCTP_INP_RUNLOCK(inp); 1881 break; 1882 } 1883 at = 0; 1884 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1885 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1886 if (at < limit) { 1887 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1888 if (at == 0) { 1889 error = EINVAL; 1890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1891 break; 1892 } 1893 } else { 1894 error = EINVAL; 1895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1896 break; 1897 } 1898 } 1899 SCTP_INP_RUNLOCK(inp); 1900 if (error == 0) { 1901 ids->gaids_number_of_ids = at; 1902 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1903 } 1904 break; 1905 } 1906 case SCTP_CONTEXT: 1907 { 1908 struct sctp_assoc_value *av; 1909 1910 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1911 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1912 1913 if (stcb) { 1914 av->assoc_value = stcb->asoc.context; 1915 SCTP_TCB_UNLOCK(stcb); 1916 } else { 1917 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1918 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1919 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1920 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1921 SCTP_INP_RLOCK(inp); 1922 av->assoc_value = inp->sctp_context; 1923 SCTP_INP_RUNLOCK(inp); 1924 } else { 1925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1926 error = EINVAL; 1927 } 1928 } 1929 if (error == 0) { 1930 *optsize = sizeof(struct sctp_assoc_value); 1931 } 1932 break; 1933 } 1934 case SCTP_VRF_ID: 1935 { 1936 uint32_t *default_vrfid; 1937 1938 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1939 *default_vrfid = inp->def_vrf_id; 1940 *optsize = sizeof(uint32_t); 1941 break; 1942 } 1943 case SCTP_GET_ASOC_VRF: 1944 { 1945 struct sctp_assoc_value *id; 1946 1947 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1948 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1949 if (stcb == NULL) { 1950 error = EINVAL; 1951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1952 } else { 1953 id->assoc_value = stcb->asoc.vrf_id; 1954 SCTP_TCB_UNLOCK(stcb); 1955 *optsize = sizeof(struct sctp_assoc_value); 1956 } 1957 break; 1958 } 1959 case SCTP_GET_VRF_IDS: 1960 { 1961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1962 error = EOPNOTSUPP; 1963 break; 1964 } 1965 case SCTP_GET_NONCE_VALUES: 1966 { 1967 struct sctp_get_nonce_values *gnv; 1968 1969 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1970 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1971 1972 if (stcb) { 1973 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1974 gnv->gn_local_tag = stcb->asoc.my_vtag; 1975 SCTP_TCB_UNLOCK(stcb); 1976 *optsize = sizeof(struct sctp_get_nonce_values); 1977 } else { 1978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1979 error = ENOTCONN; 1980 } 1981 break; 1982 } 1983 case SCTP_DELAYED_SACK: 1984 { 1985 struct sctp_sack_info *sack; 1986 1987 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1988 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1989 if (stcb) { 1990 sack->sack_delay = stcb->asoc.delayed_ack; 1991 sack->sack_freq = stcb->asoc.sack_freq; 1992 SCTP_TCB_UNLOCK(stcb); 1993 } else { 1994 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1995 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1996 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1997 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1998 SCTP_INP_RLOCK(inp); 1999 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2000 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2001 SCTP_INP_RUNLOCK(inp); 2002 } else { 2003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2004 error = EINVAL; 2005 } 2006 } 2007 if (error == 0) { 2008 *optsize = sizeof(struct sctp_sack_info); 2009 } 2010 break; 2011 } 2012 case SCTP_GET_SNDBUF_USE: 2013 { 2014 struct sctp_sockstat *ss; 2015 2016 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2017 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2018 2019 if (stcb) { 2020 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2021 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2022 stcb->asoc.size_on_all_streams); 2023 SCTP_TCB_UNLOCK(stcb); 2024 *optsize = sizeof(struct sctp_sockstat); 2025 } else { 2026 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2027 error = ENOTCONN; 2028 } 2029 break; 2030 } 2031 case SCTP_MAX_BURST: 2032 { 2033 struct sctp_assoc_value *av; 2034 2035 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2036 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2037 2038 if (stcb) { 2039 av->assoc_value = stcb->asoc.max_burst; 2040 SCTP_TCB_UNLOCK(stcb); 2041 } else { 2042 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2043 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2044 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2045 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2046 SCTP_INP_RLOCK(inp); 2047 av->assoc_value = inp->sctp_ep.max_burst; 2048 SCTP_INP_RUNLOCK(inp); 2049 } else { 2050 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2051 error = EINVAL; 2052 } 2053 } 2054 if (error == 0) { 2055 *optsize = sizeof(struct sctp_assoc_value); 2056 } 2057 break; 2058 } 2059 case SCTP_MAXSEG: 2060 { 2061 struct sctp_assoc_value *av; 2062 int ovh; 2063 2064 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2065 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2066 2067 if (stcb) { 2068 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2069 SCTP_TCB_UNLOCK(stcb); 2070 } else { 2071 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2072 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2073 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2074 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2075 SCTP_INP_RLOCK(inp); 2076 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2077 ovh = SCTP_MED_OVERHEAD; 2078 } else { 2079 ovh = SCTP_MED_V4_OVERHEAD; 2080 } 2081 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2082 av->assoc_value = 0; 2083 else 2084 av->assoc_value = inp->sctp_frag_point - ovh; 2085 SCTP_INP_RUNLOCK(inp); 2086 } else { 2087 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2088 error = EINVAL; 2089 } 2090 } 2091 if (error == 0) { 2092 *optsize = sizeof(struct sctp_assoc_value); 2093 } 2094 break; 2095 } 2096 case SCTP_GET_STAT_LOG: 2097 error = sctp_fill_stat_log(optval, optsize); 2098 break; 2099 case SCTP_EVENTS: 2100 { 2101 struct sctp_event_subscribe *events; 2102 2103 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2104 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2105 SCTP_INP_RLOCK(inp); 2106 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2107 events->sctp_data_io_event = 1; 2108 2109 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2110 events->sctp_association_event = 1; 2111 2112 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2113 events->sctp_address_event = 1; 2114 2115 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2116 events->sctp_send_failure_event = 1; 2117 2118 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2119 events->sctp_peer_error_event = 1; 2120 2121 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2122 events->sctp_shutdown_event = 1; 2123 2124 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2125 events->sctp_partial_delivery_event = 1; 2126 2127 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2128 events->sctp_adaptation_layer_event = 1; 2129 2130 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2131 events->sctp_authentication_event = 1; 2132 2133 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2134 events->sctp_sender_dry_event = 1; 2135 2136 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2137 events->sctp_stream_reset_event = 1; 2138 SCTP_INP_RUNLOCK(inp); 2139 *optsize = sizeof(struct sctp_event_subscribe); 2140 break; 2141 } 2142 case SCTP_ADAPTATION_LAYER: 2143 { 2144 uint32_t *value; 2145 2146 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2147 2148 SCTP_INP_RLOCK(inp); 2149 *value = inp->sctp_ep.adaptation_layer_indicator; 2150 SCTP_INP_RUNLOCK(inp); 2151 *optsize = sizeof(uint32_t); 2152 break; 2153 } 2154 case SCTP_SET_INITIAL_DBG_SEQ: 2155 { 2156 uint32_t *value; 2157 2158 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2159 SCTP_INP_RLOCK(inp); 2160 *value = inp->sctp_ep.initial_sequence_debug; 2161 SCTP_INP_RUNLOCK(inp); 2162 *optsize = sizeof(uint32_t); 2163 break; 2164 } 2165 case SCTP_GET_LOCAL_ADDR_SIZE: 2166 { 2167 uint32_t *value; 2168 2169 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2170 SCTP_INP_RLOCK(inp); 2171 *value = sctp_count_max_addresses(inp); 2172 SCTP_INP_RUNLOCK(inp); 2173 *optsize = sizeof(uint32_t); 2174 break; 2175 } 2176 case SCTP_GET_REMOTE_ADDR_SIZE: 2177 { 2178 uint32_t *value; 2179 size_t size; 2180 struct sctp_nets *net; 2181 2182 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2183 /* FIXME MT: change to sctp_assoc_value? */ 2184 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2185 2186 if (stcb) { 2187 size = 0; 2188 /* Count the sizes */ 2189 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2190 switch (net->ro._l_addr.sa.sa_family) { 2191 #ifdef INET 2192 case AF_INET: 2193 #ifdef INET6 2194 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2195 size += sizeof(struct sockaddr_in6); 2196 } else { 2197 size += sizeof(struct sockaddr_in); 2198 } 2199 #else 2200 size += sizeof(struct sockaddr_in); 2201 #endif 2202 break; 2203 #endif 2204 #ifdef INET6 2205 case AF_INET6: 2206 size += sizeof(struct sockaddr_in6); 2207 break; 2208 #endif 2209 default: 2210 break; 2211 } 2212 } 2213 SCTP_TCB_UNLOCK(stcb); 2214 *value = (uint32_t)size; 2215 *optsize = sizeof(uint32_t); 2216 } else { 2217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2218 error = ENOTCONN; 2219 } 2220 break; 2221 } 2222 case SCTP_GET_PEER_ADDRESSES: 2223 /* 2224 * Get the address information, an array is passed in to 2225 * fill up we pack it. 2226 */ 2227 { 2228 size_t cpsz, left; 2229 struct sockaddr_storage *sas; 2230 struct sctp_nets *net; 2231 struct sctp_getaddresses *saddr; 2232 2233 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2234 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2235 2236 if (stcb) { 2237 left = (*optsize) - sizeof(sctp_assoc_t); 2238 *optsize = sizeof(sctp_assoc_t); 2239 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2240 2241 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2242 switch (net->ro._l_addr.sa.sa_family) { 2243 #ifdef INET 2244 case AF_INET: 2245 #ifdef INET6 2246 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2247 cpsz = sizeof(struct sockaddr_in6); 2248 } else { 2249 cpsz = sizeof(struct sockaddr_in); 2250 } 2251 #else 2252 cpsz = sizeof(struct sockaddr_in); 2253 #endif 2254 break; 2255 #endif 2256 #ifdef INET6 2257 case AF_INET6: 2258 cpsz = sizeof(struct sockaddr_in6); 2259 break; 2260 #endif 2261 default: 2262 cpsz = 0; 2263 break; 2264 } 2265 if (cpsz == 0) { 2266 break; 2267 } 2268 if (left < cpsz) { 2269 /* not enough room. */ 2270 break; 2271 } 2272 #if defined(INET) && defined(INET6) 2273 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2274 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2275 /* Must map the address */ 2276 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2277 (struct sockaddr_in6 *)sas); 2278 } else { 2279 memcpy(sas, &net->ro._l_addr, cpsz); 2280 } 2281 #else 2282 memcpy(sas, &net->ro._l_addr, cpsz); 2283 #endif 2284 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2285 2286 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2287 left -= cpsz; 2288 *optsize += cpsz; 2289 } 2290 SCTP_TCB_UNLOCK(stcb); 2291 } else { 2292 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2293 error = ENOENT; 2294 } 2295 break; 2296 } 2297 case SCTP_GET_LOCAL_ADDRESSES: 2298 { 2299 size_t limit, actual; 2300 struct sockaddr_storage *sas; 2301 struct sctp_getaddresses *saddr; 2302 2303 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2304 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2305 2306 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2307 limit = *optsize - sizeof(sctp_assoc_t); 2308 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2309 if (stcb) { 2310 SCTP_TCB_UNLOCK(stcb); 2311 } 2312 *optsize = sizeof(sctp_assoc_t) + actual; 2313 break; 2314 } 2315 case SCTP_PEER_ADDR_PARAMS: 2316 { 2317 struct sctp_paddrparams *paddrp; 2318 struct sctp_nets *net; 2319 struct sockaddr *addr; 2320 #if defined(INET) && defined(INET6) 2321 struct sockaddr_in sin_store; 2322 #endif 2323 2324 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2325 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2326 2327 #if defined(INET) && defined(INET6) 2328 if (paddrp->spp_address.ss_family == AF_INET6) { 2329 struct sockaddr_in6 *sin6; 2330 2331 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2332 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2333 in6_sin6_2_sin(&sin_store, sin6); 2334 addr = (struct sockaddr *)&sin_store; 2335 } else { 2336 addr = (struct sockaddr *)&paddrp->spp_address; 2337 } 2338 } else { 2339 addr = (struct sockaddr *)&paddrp->spp_address; 2340 } 2341 #else 2342 addr = (struct sockaddr *)&paddrp->spp_address; 2343 #endif 2344 if (stcb != NULL) { 2345 net = sctp_findnet(stcb, addr); 2346 } else { 2347 /* 2348 * We increment here since 2349 * sctp_findassociation_ep_addr() wil do a 2350 * decrement if it finds the stcb as long as 2351 * the locked tcb (last argument) is NOT a 2352 * TCB.. aka NULL. 2353 */ 2354 net = NULL; 2355 SCTP_INP_INCR_REF(inp); 2356 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2357 if (stcb == NULL) { 2358 SCTP_INP_DECR_REF(inp); 2359 } 2360 } 2361 if ((stcb != NULL) && (net == NULL)) { 2362 #ifdef INET 2363 if (addr->sa_family == AF_INET) { 2364 struct sockaddr_in *sin; 2365 2366 sin = (struct sockaddr_in *)addr; 2367 if (sin->sin_addr.s_addr != INADDR_ANY) { 2368 error = EINVAL; 2369 SCTP_TCB_UNLOCK(stcb); 2370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2371 break; 2372 } 2373 } else 2374 #endif 2375 #ifdef INET6 2376 if (addr->sa_family == AF_INET6) { 2377 struct sockaddr_in6 *sin6; 2378 2379 sin6 = (struct sockaddr_in6 *)addr; 2380 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2381 error = EINVAL; 2382 SCTP_TCB_UNLOCK(stcb); 2383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2384 break; 2385 } 2386 } else 2387 #endif 2388 { 2389 error = EAFNOSUPPORT; 2390 SCTP_TCB_UNLOCK(stcb); 2391 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2392 break; 2393 } 2394 } 2395 2396 if (stcb != NULL) { 2397 /* Applies to the specific association */ 2398 paddrp->spp_flags = 0; 2399 if (net != NULL) { 2400 paddrp->spp_hbinterval = net->heart_beat_delay; 2401 paddrp->spp_pathmaxrxt = net->failure_threshold; 2402 paddrp->spp_pathmtu = net->mtu; 2403 switch (net->ro._l_addr.sa.sa_family) { 2404 #ifdef INET 2405 case AF_INET: 2406 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2407 break; 2408 #endif 2409 #ifdef INET6 2410 case AF_INET6: 2411 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2412 break; 2413 #endif 2414 default: 2415 break; 2416 } 2417 /* get flags for HB */ 2418 if (net->dest_state & SCTP_ADDR_NOHB) { 2419 paddrp->spp_flags |= SPP_HB_DISABLE; 2420 } else { 2421 paddrp->spp_flags |= SPP_HB_ENABLE; 2422 } 2423 /* get flags for PMTU */ 2424 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2425 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2426 } else { 2427 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2428 } 2429 if (net->dscp & 0x01) { 2430 paddrp->spp_dscp = net->dscp & 0xfc; 2431 paddrp->spp_flags |= SPP_DSCP; 2432 } 2433 #ifdef INET6 2434 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2435 (net->flowlabel & 0x80000000)) { 2436 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2437 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2438 } 2439 #endif 2440 } else { 2441 /* 2442 * No destination so return default 2443 * value 2444 */ 2445 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2446 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2447 if (stcb->asoc.default_dscp & 0x01) { 2448 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2449 paddrp->spp_flags |= SPP_DSCP; 2450 } 2451 #ifdef INET6 2452 if (stcb->asoc.default_flowlabel & 0x80000000) { 2453 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2454 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2455 } 2456 #endif 2457 /* default settings should be these */ 2458 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2459 paddrp->spp_flags |= SPP_HB_DISABLE; 2460 } else { 2461 paddrp->spp_flags |= SPP_HB_ENABLE; 2462 } 2463 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2464 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2465 } else { 2466 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2467 } 2468 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2469 } 2470 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2471 SCTP_TCB_UNLOCK(stcb); 2472 } else { 2473 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2474 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2475 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2476 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2477 /* Use endpoint defaults */ 2478 SCTP_INP_RLOCK(inp); 2479 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2480 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2481 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2482 /* get inp's default */ 2483 if (inp->sctp_ep.default_dscp & 0x01) { 2484 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2485 paddrp->spp_flags |= SPP_DSCP; 2486 } 2487 #ifdef INET6 2488 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2489 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2490 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2491 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2492 } 2493 #endif 2494 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2495 2496 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2497 paddrp->spp_flags |= SPP_HB_ENABLE; 2498 } else { 2499 paddrp->spp_flags |= SPP_HB_DISABLE; 2500 } 2501 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2502 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2503 } else { 2504 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2505 } 2506 SCTP_INP_RUNLOCK(inp); 2507 } else { 2508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2509 error = EINVAL; 2510 } 2511 } 2512 if (error == 0) { 2513 *optsize = sizeof(struct sctp_paddrparams); 2514 } 2515 break; 2516 } 2517 case SCTP_GET_PEER_ADDR_INFO: 2518 { 2519 struct sctp_paddrinfo *paddri; 2520 struct sctp_nets *net; 2521 struct sockaddr *addr; 2522 #if defined(INET) && defined(INET6) 2523 struct sockaddr_in sin_store; 2524 #endif 2525 2526 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2527 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2528 2529 #if defined(INET) && defined(INET6) 2530 if (paddri->spinfo_address.ss_family == AF_INET6) { 2531 struct sockaddr_in6 *sin6; 2532 2533 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2534 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2535 in6_sin6_2_sin(&sin_store, sin6); 2536 addr = (struct sockaddr *)&sin_store; 2537 } else { 2538 addr = (struct sockaddr *)&paddri->spinfo_address; 2539 } 2540 } else { 2541 addr = (struct sockaddr *)&paddri->spinfo_address; 2542 } 2543 #else 2544 addr = (struct sockaddr *)&paddri->spinfo_address; 2545 #endif 2546 if (stcb != NULL) { 2547 net = sctp_findnet(stcb, addr); 2548 } else { 2549 /* 2550 * We increment here since 2551 * sctp_findassociation_ep_addr() wil do a 2552 * decrement if it finds the stcb as long as 2553 * the locked tcb (last argument) is NOT a 2554 * TCB.. aka NULL. 2555 */ 2556 net = NULL; 2557 SCTP_INP_INCR_REF(inp); 2558 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2559 if (stcb == NULL) { 2560 SCTP_INP_DECR_REF(inp); 2561 } 2562 } 2563 2564 if ((stcb != NULL) && (net != NULL)) { 2565 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2566 /* It's unconfirmed */ 2567 paddri->spinfo_state = SCTP_UNCONFIRMED; 2568 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2569 /* It's active */ 2570 paddri->spinfo_state = SCTP_ACTIVE; 2571 } else { 2572 /* It's inactive */ 2573 paddri->spinfo_state = SCTP_INACTIVE; 2574 } 2575 paddri->spinfo_cwnd = net->cwnd; 2576 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2577 paddri->spinfo_rto = net->RTO; 2578 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2579 paddri->spinfo_mtu = net->mtu; 2580 switch (addr->sa_family) { 2581 #if defined(INET) 2582 case AF_INET: 2583 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2584 break; 2585 #endif 2586 #if defined(INET6) 2587 case AF_INET6: 2588 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2589 break; 2590 #endif 2591 default: 2592 break; 2593 } 2594 SCTP_TCB_UNLOCK(stcb); 2595 *optsize = sizeof(struct sctp_paddrinfo); 2596 } else { 2597 if (stcb != NULL) { 2598 SCTP_TCB_UNLOCK(stcb); 2599 } 2600 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2601 error = ENOENT; 2602 } 2603 break; 2604 } 2605 case SCTP_PCB_STATUS: 2606 { 2607 struct sctp_pcbinfo *spcb; 2608 2609 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2610 sctp_fill_pcbinfo(spcb); 2611 *optsize = sizeof(struct sctp_pcbinfo); 2612 break; 2613 } 2614 case SCTP_STATUS: 2615 { 2616 struct sctp_nets *net; 2617 struct sctp_status *sstat; 2618 2619 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2620 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2621 2622 if (stcb == NULL) { 2623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2624 error = EINVAL; 2625 break; 2626 } 2627 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2628 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2629 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2630 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2631 /* 2632 * We can't include chunks that have been passed to 2633 * the socket layer. Only things in queue. 2634 */ 2635 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2636 stcb->asoc.cnt_on_all_streams); 2637 2638 2639 sstat->sstat_instrms = stcb->asoc.streamincnt; 2640 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2641 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2642 net = stcb->asoc.primary_destination; 2643 if (net != NULL) { 2644 memcpy(&sstat->sstat_primary.spinfo_address, 2645 &net->ro._l_addr, 2646 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2647 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2648 /* 2649 * Again the user can get info from 2650 * sctp_constants.h for what the state of 2651 * the network is. 2652 */ 2653 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2654 /* It's unconfirmed */ 2655 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2656 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2657 /* It's active */ 2658 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2659 } else { 2660 /* It's inactive */ 2661 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2662 } 2663 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2664 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2665 sstat->sstat_primary.spinfo_rto = net->RTO; 2666 sstat->sstat_primary.spinfo_mtu = net->mtu; 2667 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2668 #if defined(INET) 2669 case AF_INET: 2670 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2671 break; 2672 #endif 2673 #if defined(INET6) 2674 case AF_INET6: 2675 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2676 break; 2677 #endif 2678 default: 2679 break; 2680 } 2681 } else { 2682 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2683 } 2684 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2685 SCTP_TCB_UNLOCK(stcb); 2686 *optsize = sizeof(struct sctp_status); 2687 break; 2688 } 2689 case SCTP_RTOINFO: 2690 { 2691 struct sctp_rtoinfo *srto; 2692 2693 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2694 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2695 2696 if (stcb) { 2697 srto->srto_initial = stcb->asoc.initial_rto; 2698 srto->srto_max = stcb->asoc.maxrto; 2699 srto->srto_min = stcb->asoc.minrto; 2700 SCTP_TCB_UNLOCK(stcb); 2701 } else { 2702 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2703 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2704 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2705 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2706 SCTP_INP_RLOCK(inp); 2707 srto->srto_initial = inp->sctp_ep.initial_rto; 2708 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2709 srto->srto_min = inp->sctp_ep.sctp_minrto; 2710 SCTP_INP_RUNLOCK(inp); 2711 } else { 2712 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2713 error = EINVAL; 2714 } 2715 } 2716 if (error == 0) { 2717 *optsize = sizeof(struct sctp_rtoinfo); 2718 } 2719 break; 2720 } 2721 case SCTP_TIMEOUTS: 2722 { 2723 struct sctp_timeouts *stimo; 2724 2725 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2726 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2727 2728 if (stcb) { 2729 stimo->stimo_init = stcb->asoc.timoinit; 2730 stimo->stimo_data = stcb->asoc.timodata; 2731 stimo->stimo_sack = stcb->asoc.timosack; 2732 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2733 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2734 stimo->stimo_cookie = stcb->asoc.timocookie; 2735 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2736 SCTP_TCB_UNLOCK(stcb); 2737 *optsize = sizeof(struct sctp_timeouts); 2738 } else { 2739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2740 error = EINVAL; 2741 } 2742 break; 2743 } 2744 case SCTP_ASSOCINFO: 2745 { 2746 struct sctp_assocparams *sasoc; 2747 2748 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2749 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2750 2751 if (stcb) { 2752 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2753 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2754 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2755 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2756 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2757 SCTP_TCB_UNLOCK(stcb); 2758 } else { 2759 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2760 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2761 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2762 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2763 SCTP_INP_RLOCK(inp); 2764 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2765 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2766 sasoc->sasoc_number_peer_destinations = 0; 2767 sasoc->sasoc_peer_rwnd = 0; 2768 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2769 SCTP_INP_RUNLOCK(inp); 2770 } else { 2771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2772 error = EINVAL; 2773 } 2774 } 2775 if (error == 0) { 2776 *optsize = sizeof(struct sctp_assocparams); 2777 } 2778 break; 2779 } 2780 case SCTP_DEFAULT_SEND_PARAM: 2781 { 2782 struct sctp_sndrcvinfo *s_info; 2783 2784 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2785 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2786 2787 if (stcb) { 2788 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2789 SCTP_TCB_UNLOCK(stcb); 2790 } else { 2791 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2792 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2793 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2794 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2795 SCTP_INP_RLOCK(inp); 2796 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2797 SCTP_INP_RUNLOCK(inp); 2798 } else { 2799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2800 error = EINVAL; 2801 } 2802 } 2803 if (error == 0) { 2804 *optsize = sizeof(struct sctp_sndrcvinfo); 2805 } 2806 break; 2807 } 2808 case SCTP_INITMSG: 2809 { 2810 struct sctp_initmsg *sinit; 2811 2812 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2813 SCTP_INP_RLOCK(inp); 2814 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2815 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2816 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2817 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2818 SCTP_INP_RUNLOCK(inp); 2819 *optsize = sizeof(struct sctp_initmsg); 2820 break; 2821 } 2822 case SCTP_PRIMARY_ADDR: 2823 /* we allow a "get" operation on this */ 2824 { 2825 struct sctp_setprim *ssp; 2826 2827 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2828 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2829 2830 if (stcb) { 2831 union sctp_sockstore *addr; 2832 2833 addr = &stcb->asoc.primary_destination->ro._l_addr; 2834 switch (addr->sa.sa_family) { 2835 #ifdef INET 2836 case AF_INET: 2837 #ifdef INET6 2838 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2839 in6_sin_2_v4mapsin6(&addr->sin, 2840 (struct sockaddr_in6 *)&ssp->ssp_addr); 2841 } else { 2842 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2843 } 2844 #else 2845 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2846 #endif 2847 break; 2848 #endif 2849 #ifdef INET6 2850 case AF_INET6: 2851 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2852 break; 2853 #endif 2854 default: 2855 break; 2856 } 2857 SCTP_TCB_UNLOCK(stcb); 2858 *optsize = sizeof(struct sctp_setprim); 2859 } else { 2860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2861 error = EINVAL; 2862 } 2863 break; 2864 } 2865 case SCTP_HMAC_IDENT: 2866 { 2867 struct sctp_hmacalgo *shmac; 2868 sctp_hmaclist_t *hmaclist; 2869 uint32_t size; 2870 int i; 2871 2872 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2873 2874 SCTP_INP_RLOCK(inp); 2875 hmaclist = inp->sctp_ep.local_hmacs; 2876 if (hmaclist == NULL) { 2877 /* no HMACs to return */ 2878 *optsize = sizeof(*shmac); 2879 SCTP_INP_RUNLOCK(inp); 2880 break; 2881 } 2882 /* is there room for all of the hmac ids? */ 2883 size = sizeof(*shmac) + (hmaclist->num_algo * 2884 sizeof(shmac->shmac_idents[0])); 2885 if ((size_t)(*optsize) < size) { 2886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2887 error = EINVAL; 2888 SCTP_INP_RUNLOCK(inp); 2889 break; 2890 } 2891 /* copy in the list */ 2892 shmac->shmac_number_of_idents = hmaclist->num_algo; 2893 for (i = 0; i < hmaclist->num_algo; i++) { 2894 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2895 } 2896 SCTP_INP_RUNLOCK(inp); 2897 *optsize = size; 2898 break; 2899 } 2900 case SCTP_AUTH_ACTIVE_KEY: 2901 { 2902 struct sctp_authkeyid *scact; 2903 2904 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2905 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2906 2907 if (stcb) { 2908 /* get the active key on the assoc */ 2909 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2910 SCTP_TCB_UNLOCK(stcb); 2911 } else { 2912 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2913 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2914 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2915 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2916 /* get the endpoint active key */ 2917 SCTP_INP_RLOCK(inp); 2918 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2919 SCTP_INP_RUNLOCK(inp); 2920 } else { 2921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2922 error = EINVAL; 2923 } 2924 } 2925 if (error == 0) { 2926 *optsize = sizeof(struct sctp_authkeyid); 2927 } 2928 break; 2929 } 2930 case SCTP_LOCAL_AUTH_CHUNKS: 2931 { 2932 struct sctp_authchunks *sac; 2933 sctp_auth_chklist_t *chklist = NULL; 2934 size_t size = 0; 2935 2936 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2937 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2938 2939 if (stcb) { 2940 /* get off the assoc */ 2941 chklist = stcb->asoc.local_auth_chunks; 2942 /* is there enough space? */ 2943 size = sctp_auth_get_chklist_size(chklist); 2944 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2945 error = EINVAL; 2946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2947 } else { 2948 /* copy in the chunks */ 2949 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2950 sac->gauth_number_of_chunks = (uint32_t)size; 2951 *optsize = sizeof(struct sctp_authchunks) + size; 2952 } 2953 SCTP_TCB_UNLOCK(stcb); 2954 } else { 2955 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2956 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2957 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2958 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2959 /* get off the endpoint */ 2960 SCTP_INP_RLOCK(inp); 2961 chklist = inp->sctp_ep.local_auth_chunks; 2962 /* is there enough space? */ 2963 size = sctp_auth_get_chklist_size(chklist); 2964 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2965 error = EINVAL; 2966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2967 } else { 2968 /* copy in the chunks */ 2969 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2970 sac->gauth_number_of_chunks = (uint32_t)size; 2971 *optsize = sizeof(struct sctp_authchunks) + size; 2972 } 2973 SCTP_INP_RUNLOCK(inp); 2974 } else { 2975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2976 error = EINVAL; 2977 } 2978 } 2979 break; 2980 } 2981 case SCTP_PEER_AUTH_CHUNKS: 2982 { 2983 struct sctp_authchunks *sac; 2984 sctp_auth_chklist_t *chklist = NULL; 2985 size_t size = 0; 2986 2987 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2988 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2989 2990 if (stcb) { 2991 /* get off the assoc */ 2992 chklist = stcb->asoc.peer_auth_chunks; 2993 /* is there enough space? */ 2994 size = sctp_auth_get_chklist_size(chklist); 2995 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2996 error = EINVAL; 2997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2998 } else { 2999 /* copy in the chunks */ 3000 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3001 sac->gauth_number_of_chunks = (uint32_t)size; 3002 *optsize = sizeof(struct sctp_authchunks) + size; 3003 } 3004 SCTP_TCB_UNLOCK(stcb); 3005 } else { 3006 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3007 error = ENOENT; 3008 } 3009 break; 3010 } 3011 case SCTP_EVENT: 3012 { 3013 struct sctp_event *event; 3014 uint32_t event_type; 3015 3016 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3017 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3018 3019 switch (event->se_type) { 3020 case SCTP_ASSOC_CHANGE: 3021 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3022 break; 3023 case SCTP_PEER_ADDR_CHANGE: 3024 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3025 break; 3026 case SCTP_REMOTE_ERROR: 3027 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3028 break; 3029 case SCTP_SEND_FAILED: 3030 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3031 break; 3032 case SCTP_SHUTDOWN_EVENT: 3033 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3034 break; 3035 case SCTP_ADAPTATION_INDICATION: 3036 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3037 break; 3038 case SCTP_PARTIAL_DELIVERY_EVENT: 3039 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3040 break; 3041 case SCTP_AUTHENTICATION_EVENT: 3042 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3043 break; 3044 case SCTP_STREAM_RESET_EVENT: 3045 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3046 break; 3047 case SCTP_SENDER_DRY_EVENT: 3048 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3049 break; 3050 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3051 event_type = 0; 3052 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3053 error = ENOTSUP; 3054 break; 3055 case SCTP_ASSOC_RESET_EVENT: 3056 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3057 break; 3058 case SCTP_STREAM_CHANGE_EVENT: 3059 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3060 break; 3061 case SCTP_SEND_FAILED_EVENT: 3062 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3063 break; 3064 default: 3065 event_type = 0; 3066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3067 error = EINVAL; 3068 break; 3069 } 3070 if (event_type > 0) { 3071 if (stcb) { 3072 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3073 } else { 3074 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3075 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3076 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3077 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3078 SCTP_INP_RLOCK(inp); 3079 event->se_on = sctp_is_feature_on(inp, event_type); 3080 SCTP_INP_RUNLOCK(inp); 3081 } else { 3082 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3083 error = EINVAL; 3084 } 3085 } 3086 } 3087 if (stcb != NULL) { 3088 SCTP_TCB_UNLOCK(stcb); 3089 } 3090 if (error == 0) { 3091 *optsize = sizeof(struct sctp_event); 3092 } 3093 break; 3094 } 3095 case SCTP_RECVRCVINFO: 3096 { 3097 int onoff; 3098 3099 if (*optsize < sizeof(int)) { 3100 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3101 error = EINVAL; 3102 } else { 3103 SCTP_INP_RLOCK(inp); 3104 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3105 SCTP_INP_RUNLOCK(inp); 3106 } 3107 if (error == 0) { 3108 /* return the option value */ 3109 *(int *)optval = onoff; 3110 *optsize = sizeof(int); 3111 } 3112 break; 3113 } 3114 case SCTP_RECVNXTINFO: 3115 { 3116 int onoff; 3117 3118 if (*optsize < sizeof(int)) { 3119 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3120 error = EINVAL; 3121 } else { 3122 SCTP_INP_RLOCK(inp); 3123 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3124 SCTP_INP_RUNLOCK(inp); 3125 } 3126 if (error == 0) { 3127 /* return the option value */ 3128 *(int *)optval = onoff; 3129 *optsize = sizeof(int); 3130 } 3131 break; 3132 } 3133 case SCTP_DEFAULT_SNDINFO: 3134 { 3135 struct sctp_sndinfo *info; 3136 3137 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3138 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3139 3140 if (stcb) { 3141 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3142 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3143 info->snd_flags &= 0xfff0; 3144 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3145 info->snd_context = stcb->asoc.def_send.sinfo_context; 3146 SCTP_TCB_UNLOCK(stcb); 3147 } else { 3148 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3149 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3150 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3151 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3152 SCTP_INP_RLOCK(inp); 3153 info->snd_sid = inp->def_send.sinfo_stream; 3154 info->snd_flags = inp->def_send.sinfo_flags; 3155 info->snd_flags &= 0xfff0; 3156 info->snd_ppid = inp->def_send.sinfo_ppid; 3157 info->snd_context = inp->def_send.sinfo_context; 3158 SCTP_INP_RUNLOCK(inp); 3159 } else { 3160 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3161 error = EINVAL; 3162 } 3163 } 3164 if (error == 0) { 3165 *optsize = sizeof(struct sctp_sndinfo); 3166 } 3167 break; 3168 } 3169 case SCTP_DEFAULT_PRINFO: 3170 { 3171 struct sctp_default_prinfo *info; 3172 3173 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3174 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3175 3176 if (stcb) { 3177 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3178 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3179 SCTP_TCB_UNLOCK(stcb); 3180 } else { 3181 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3182 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3183 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3184 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3185 SCTP_INP_RLOCK(inp); 3186 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3187 info->pr_value = inp->def_send.sinfo_timetolive; 3188 SCTP_INP_RUNLOCK(inp); 3189 } else { 3190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3191 error = EINVAL; 3192 } 3193 } 3194 if (error == 0) { 3195 *optsize = sizeof(struct sctp_default_prinfo); 3196 } 3197 break; 3198 } 3199 case SCTP_PEER_ADDR_THLDS: 3200 { 3201 struct sctp_paddrthlds *thlds; 3202 struct sctp_nets *net; 3203 struct sockaddr *addr; 3204 #if defined(INET) && defined(INET6) 3205 struct sockaddr_in sin_store; 3206 #endif 3207 3208 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3209 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3210 3211 #if defined(INET) && defined(INET6) 3212 if (thlds->spt_address.ss_family == AF_INET6) { 3213 struct sockaddr_in6 *sin6; 3214 3215 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3216 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3217 in6_sin6_2_sin(&sin_store, sin6); 3218 addr = (struct sockaddr *)&sin_store; 3219 } else { 3220 addr = (struct sockaddr *)&thlds->spt_address; 3221 } 3222 } else { 3223 addr = (struct sockaddr *)&thlds->spt_address; 3224 } 3225 #else 3226 addr = (struct sockaddr *)&thlds->spt_address; 3227 #endif 3228 if (stcb != NULL) { 3229 net = sctp_findnet(stcb, addr); 3230 } else { 3231 /* 3232 * We increment here since 3233 * sctp_findassociation_ep_addr() wil do a 3234 * decrement if it finds the stcb as long as 3235 * the locked tcb (last argument) is NOT a 3236 * TCB.. aka NULL. 3237 */ 3238 net = NULL; 3239 SCTP_INP_INCR_REF(inp); 3240 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3241 if (stcb == NULL) { 3242 SCTP_INP_DECR_REF(inp); 3243 } 3244 } 3245 if ((stcb != NULL) && (net == NULL)) { 3246 #ifdef INET 3247 if (addr->sa_family == AF_INET) { 3248 struct sockaddr_in *sin; 3249 3250 sin = (struct sockaddr_in *)addr; 3251 if (sin->sin_addr.s_addr != INADDR_ANY) { 3252 error = EINVAL; 3253 SCTP_TCB_UNLOCK(stcb); 3254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3255 break; 3256 } 3257 } else 3258 #endif 3259 #ifdef INET6 3260 if (addr->sa_family == AF_INET6) { 3261 struct sockaddr_in6 *sin6; 3262 3263 sin6 = (struct sockaddr_in6 *)addr; 3264 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3265 error = EINVAL; 3266 SCTP_TCB_UNLOCK(stcb); 3267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3268 break; 3269 } 3270 } else 3271 #endif 3272 { 3273 error = EAFNOSUPPORT; 3274 SCTP_TCB_UNLOCK(stcb); 3275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3276 break; 3277 } 3278 } 3279 3280 if (stcb != NULL) { 3281 if (net != NULL) { 3282 thlds->spt_pathmaxrxt = net->failure_threshold; 3283 thlds->spt_pathpfthld = net->pf_threshold; 3284 thlds->spt_pathcpthld = 0xffff; 3285 } else { 3286 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3287 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3288 thlds->spt_pathcpthld = 0xffff; 3289 } 3290 thlds->spt_assoc_id = sctp_get_associd(stcb); 3291 SCTP_TCB_UNLOCK(stcb); 3292 } else { 3293 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3294 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3295 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3296 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3297 /* Use endpoint defaults */ 3298 SCTP_INP_RLOCK(inp); 3299 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3300 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3301 thlds->spt_pathcpthld = 0xffff; 3302 SCTP_INP_RUNLOCK(inp); 3303 } else { 3304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3305 error = EINVAL; 3306 } 3307 } 3308 if (error == 0) { 3309 *optsize = sizeof(struct sctp_paddrthlds); 3310 } 3311 break; 3312 } 3313 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3314 { 3315 struct sctp_udpencaps *encaps; 3316 struct sctp_nets *net; 3317 struct sockaddr *addr; 3318 #if defined(INET) && defined(INET6) 3319 struct sockaddr_in sin_store; 3320 #endif 3321 3322 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3323 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3324 3325 #if defined(INET) && defined(INET6) 3326 if (encaps->sue_address.ss_family == AF_INET6) { 3327 struct sockaddr_in6 *sin6; 3328 3329 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3330 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3331 in6_sin6_2_sin(&sin_store, sin6); 3332 addr = (struct sockaddr *)&sin_store; 3333 } else { 3334 addr = (struct sockaddr *)&encaps->sue_address; 3335 } 3336 } else { 3337 addr = (struct sockaddr *)&encaps->sue_address; 3338 } 3339 #else 3340 addr = (struct sockaddr *)&encaps->sue_address; 3341 #endif 3342 if (stcb) { 3343 net = sctp_findnet(stcb, addr); 3344 } else { 3345 /* 3346 * We increment here since 3347 * sctp_findassociation_ep_addr() wil do a 3348 * decrement if it finds the stcb as long as 3349 * the locked tcb (last argument) is NOT a 3350 * TCB.. aka NULL. 3351 */ 3352 net = NULL; 3353 SCTP_INP_INCR_REF(inp); 3354 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3355 if (stcb == NULL) { 3356 SCTP_INP_DECR_REF(inp); 3357 } 3358 } 3359 if ((stcb != NULL) && (net == NULL)) { 3360 #ifdef INET 3361 if (addr->sa_family == AF_INET) { 3362 struct sockaddr_in *sin; 3363 3364 sin = (struct sockaddr_in *)addr; 3365 if (sin->sin_addr.s_addr != INADDR_ANY) { 3366 error = EINVAL; 3367 SCTP_TCB_UNLOCK(stcb); 3368 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3369 break; 3370 } 3371 } else 3372 #endif 3373 #ifdef INET6 3374 if (addr->sa_family == AF_INET6) { 3375 struct sockaddr_in6 *sin6; 3376 3377 sin6 = (struct sockaddr_in6 *)addr; 3378 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3379 error = EINVAL; 3380 SCTP_TCB_UNLOCK(stcb); 3381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3382 break; 3383 } 3384 } else 3385 #endif 3386 { 3387 error = EAFNOSUPPORT; 3388 SCTP_TCB_UNLOCK(stcb); 3389 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3390 break; 3391 } 3392 } 3393 3394 if (stcb != NULL) { 3395 if (net) { 3396 encaps->sue_port = net->port; 3397 } else { 3398 encaps->sue_port = stcb->asoc.port; 3399 } 3400 SCTP_TCB_UNLOCK(stcb); 3401 } else { 3402 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3403 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3404 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3405 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3406 SCTP_INP_RLOCK(inp); 3407 encaps->sue_port = inp->sctp_ep.port; 3408 SCTP_INP_RUNLOCK(inp); 3409 } else { 3410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3411 error = EINVAL; 3412 } 3413 } 3414 if (error == 0) { 3415 *optsize = sizeof(struct sctp_udpencaps); 3416 } 3417 break; 3418 } 3419 case SCTP_ECN_SUPPORTED: 3420 { 3421 struct sctp_assoc_value *av; 3422 3423 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3424 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3425 3426 if (stcb) { 3427 av->assoc_value = stcb->asoc.ecn_supported; 3428 SCTP_TCB_UNLOCK(stcb); 3429 } else { 3430 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3431 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3432 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3433 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3434 SCTP_INP_RLOCK(inp); 3435 av->assoc_value = inp->ecn_supported; 3436 SCTP_INP_RUNLOCK(inp); 3437 } else { 3438 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3439 error = EINVAL; 3440 } 3441 } 3442 if (error == 0) { 3443 *optsize = sizeof(struct sctp_assoc_value); 3444 } 3445 break; 3446 } 3447 case SCTP_PR_SUPPORTED: 3448 { 3449 struct sctp_assoc_value *av; 3450 3451 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3452 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3453 3454 if (stcb) { 3455 av->assoc_value = stcb->asoc.prsctp_supported; 3456 SCTP_TCB_UNLOCK(stcb); 3457 } else { 3458 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3459 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3460 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3461 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3462 SCTP_INP_RLOCK(inp); 3463 av->assoc_value = inp->prsctp_supported; 3464 SCTP_INP_RUNLOCK(inp); 3465 } else { 3466 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3467 error = EINVAL; 3468 } 3469 } 3470 if (error == 0) { 3471 *optsize = sizeof(struct sctp_assoc_value); 3472 } 3473 break; 3474 } 3475 case SCTP_AUTH_SUPPORTED: 3476 { 3477 struct sctp_assoc_value *av; 3478 3479 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3480 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3481 3482 if (stcb) { 3483 av->assoc_value = stcb->asoc.auth_supported; 3484 SCTP_TCB_UNLOCK(stcb); 3485 } else { 3486 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3487 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3488 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3489 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3490 SCTP_INP_RLOCK(inp); 3491 av->assoc_value = inp->auth_supported; 3492 SCTP_INP_RUNLOCK(inp); 3493 } else { 3494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3495 error = EINVAL; 3496 } 3497 } 3498 if (error == 0) { 3499 *optsize = sizeof(struct sctp_assoc_value); 3500 } 3501 break; 3502 } 3503 case SCTP_ASCONF_SUPPORTED: 3504 { 3505 struct sctp_assoc_value *av; 3506 3507 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3508 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3509 3510 if (stcb) { 3511 av->assoc_value = stcb->asoc.asconf_supported; 3512 SCTP_TCB_UNLOCK(stcb); 3513 } else { 3514 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3515 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3516 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3517 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3518 SCTP_INP_RLOCK(inp); 3519 av->assoc_value = inp->asconf_supported; 3520 SCTP_INP_RUNLOCK(inp); 3521 } else { 3522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3523 error = EINVAL; 3524 } 3525 } 3526 if (error == 0) { 3527 *optsize = sizeof(struct sctp_assoc_value); 3528 } 3529 break; 3530 } 3531 case SCTP_RECONFIG_SUPPORTED: 3532 { 3533 struct sctp_assoc_value *av; 3534 3535 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3536 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3537 3538 if (stcb) { 3539 av->assoc_value = stcb->asoc.reconfig_supported; 3540 SCTP_TCB_UNLOCK(stcb); 3541 } else { 3542 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3543 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3544 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3545 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3546 SCTP_INP_RLOCK(inp); 3547 av->assoc_value = inp->reconfig_supported; 3548 SCTP_INP_RUNLOCK(inp); 3549 } else { 3550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3551 error = EINVAL; 3552 } 3553 } 3554 if (error == 0) { 3555 *optsize = sizeof(struct sctp_assoc_value); 3556 } 3557 break; 3558 } 3559 case SCTP_NRSACK_SUPPORTED: 3560 { 3561 struct sctp_assoc_value *av; 3562 3563 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3564 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3565 3566 if (stcb) { 3567 av->assoc_value = stcb->asoc.nrsack_supported; 3568 SCTP_TCB_UNLOCK(stcb); 3569 } else { 3570 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3571 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3572 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3573 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3574 SCTP_INP_RLOCK(inp); 3575 av->assoc_value = inp->nrsack_supported; 3576 SCTP_INP_RUNLOCK(inp); 3577 } else { 3578 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3579 error = EINVAL; 3580 } 3581 } 3582 if (error == 0) { 3583 *optsize = sizeof(struct sctp_assoc_value); 3584 } 3585 break; 3586 } 3587 case SCTP_PKTDROP_SUPPORTED: 3588 { 3589 struct sctp_assoc_value *av; 3590 3591 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3592 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3593 3594 if (stcb) { 3595 av->assoc_value = stcb->asoc.pktdrop_supported; 3596 SCTP_TCB_UNLOCK(stcb); 3597 } else { 3598 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3599 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3600 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3601 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3602 SCTP_INP_RLOCK(inp); 3603 av->assoc_value = inp->pktdrop_supported; 3604 SCTP_INP_RUNLOCK(inp); 3605 } else { 3606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3607 error = EINVAL; 3608 } 3609 } 3610 if (error == 0) { 3611 *optsize = sizeof(struct sctp_assoc_value); 3612 } 3613 break; 3614 } 3615 case SCTP_ENABLE_STREAM_RESET: 3616 { 3617 struct sctp_assoc_value *av; 3618 3619 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3620 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3621 3622 if (stcb) { 3623 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3624 SCTP_TCB_UNLOCK(stcb); 3625 } else { 3626 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3627 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3628 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3629 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3630 SCTP_INP_RLOCK(inp); 3631 av->assoc_value = (uint32_t)inp->local_strreset_support; 3632 SCTP_INP_RUNLOCK(inp); 3633 } else { 3634 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3635 error = EINVAL; 3636 } 3637 } 3638 if (error == 0) { 3639 *optsize = sizeof(struct sctp_assoc_value); 3640 } 3641 break; 3642 } 3643 case SCTP_PR_STREAM_STATUS: 3644 { 3645 struct sctp_prstatus *sprstat; 3646 uint16_t sid; 3647 uint16_t policy; 3648 3649 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3650 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3651 3652 sid = sprstat->sprstat_sid; 3653 policy = sprstat->sprstat_policy; 3654 #if defined(SCTP_DETAILED_STR_STATS) 3655 if ((stcb != NULL) && 3656 (sid < stcb->asoc.streamoutcnt) && 3657 (policy != SCTP_PR_SCTP_NONE) && 3658 ((policy <= SCTP_PR_SCTP_MAX) || 3659 (policy == SCTP_PR_SCTP_ALL))) { 3660 if (policy == SCTP_PR_SCTP_ALL) { 3661 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3662 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3663 } else { 3664 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3665 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3666 } 3667 #else 3668 if ((stcb != NULL) && 3669 (sid < stcb->asoc.streamoutcnt) && 3670 (policy == SCTP_PR_SCTP_ALL)) { 3671 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3672 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3673 #endif 3674 } else { 3675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3676 error = EINVAL; 3677 } 3678 if (stcb != NULL) { 3679 SCTP_TCB_UNLOCK(stcb); 3680 } 3681 if (error == 0) { 3682 *optsize = sizeof(struct sctp_prstatus); 3683 } 3684 break; 3685 } 3686 case SCTP_PR_ASSOC_STATUS: 3687 { 3688 struct sctp_prstatus *sprstat; 3689 uint16_t policy; 3690 3691 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3692 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3693 3694 policy = sprstat->sprstat_policy; 3695 if ((stcb != NULL) && 3696 (policy != SCTP_PR_SCTP_NONE) && 3697 ((policy <= SCTP_PR_SCTP_MAX) || 3698 (policy == SCTP_PR_SCTP_ALL))) { 3699 if (policy == SCTP_PR_SCTP_ALL) { 3700 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3701 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3702 } else { 3703 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3704 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3705 } 3706 } else { 3707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3708 error = EINVAL; 3709 } 3710 if (stcb != NULL) { 3711 SCTP_TCB_UNLOCK(stcb); 3712 } 3713 if (error == 0) { 3714 *optsize = sizeof(struct sctp_prstatus); 3715 } 3716 break; 3717 } 3718 case SCTP_MAX_CWND: 3719 { 3720 struct sctp_assoc_value *av; 3721 3722 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3723 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3724 3725 if (stcb) { 3726 av->assoc_value = stcb->asoc.max_cwnd; 3727 SCTP_TCB_UNLOCK(stcb); 3728 } else { 3729 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3730 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3731 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3732 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3733 SCTP_INP_RLOCK(inp); 3734 av->assoc_value = inp->max_cwnd; 3735 SCTP_INP_RUNLOCK(inp); 3736 } else { 3737 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3738 error = EINVAL; 3739 } 3740 } 3741 if (error == 0) { 3742 *optsize = sizeof(struct sctp_assoc_value); 3743 } 3744 break; 3745 } 3746 default: 3747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3748 error = ENOPROTOOPT; 3749 break; 3750 } /* end switch (sopt->sopt_name) */ 3751 if (error) { 3752 *optsize = 0; 3753 } 3754 return (error); 3755 } 3756 3757 static int 3758 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3759 void *p) 3760 { 3761 int error, set_opt; 3762 uint32_t *mopt; 3763 struct sctp_tcb *stcb = NULL; 3764 struct sctp_inpcb *inp = NULL; 3765 uint32_t vrf_id; 3766 3767 if (optval == NULL) { 3768 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3769 return (EINVAL); 3770 } 3771 inp = (struct sctp_inpcb *)so->so_pcb; 3772 if (inp == NULL) { 3773 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3774 return (EINVAL); 3775 } 3776 vrf_id = inp->def_vrf_id; 3777 3778 error = 0; 3779 switch (optname) { 3780 case SCTP_NODELAY: 3781 case SCTP_AUTOCLOSE: 3782 case SCTP_AUTO_ASCONF: 3783 case SCTP_EXPLICIT_EOR: 3784 case SCTP_DISABLE_FRAGMENTS: 3785 case SCTP_USE_EXT_RCVINFO: 3786 case SCTP_I_WANT_MAPPED_V4_ADDR: 3787 /* copy in the option value */ 3788 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3789 set_opt = 0; 3790 if (error) 3791 break; 3792 switch (optname) { 3793 case SCTP_DISABLE_FRAGMENTS: 3794 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3795 break; 3796 case SCTP_AUTO_ASCONF: 3797 /* 3798 * NOTE: we don't really support this flag 3799 */ 3800 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3801 /* only valid for bound all sockets */ 3802 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3803 (*mopt != 0)) { 3804 /* forbidden by admin */ 3805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3806 return (EPERM); 3807 } 3808 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3809 } else { 3810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3811 return (EINVAL); 3812 } 3813 break; 3814 case SCTP_EXPLICIT_EOR: 3815 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3816 break; 3817 case SCTP_USE_EXT_RCVINFO: 3818 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3819 break; 3820 case SCTP_I_WANT_MAPPED_V4_ADDR: 3821 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3822 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3823 } else { 3824 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3825 return (EINVAL); 3826 } 3827 break; 3828 case SCTP_NODELAY: 3829 set_opt = SCTP_PCB_FLAGS_NODELAY; 3830 break; 3831 case SCTP_AUTOCLOSE: 3832 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3833 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3835 return (EINVAL); 3836 } 3837 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3838 /* 3839 * The value is in ticks. Note this does not effect 3840 * old associations, only new ones. 3841 */ 3842 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3843 break; 3844 } 3845 SCTP_INP_WLOCK(inp); 3846 if (*mopt != 0) { 3847 sctp_feature_on(inp, set_opt); 3848 } else { 3849 sctp_feature_off(inp, set_opt); 3850 } 3851 SCTP_INP_WUNLOCK(inp); 3852 break; 3853 case SCTP_REUSE_PORT: 3854 { 3855 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3856 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3857 /* Can't set it after we are bound */ 3858 error = EINVAL; 3859 break; 3860 } 3861 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3862 /* Can't do this for a 1-m socket */ 3863 error = EINVAL; 3864 break; 3865 } 3866 if (optval) 3867 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3868 else 3869 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3870 break; 3871 } 3872 case SCTP_PARTIAL_DELIVERY_POINT: 3873 { 3874 uint32_t *value; 3875 3876 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3877 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3878 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3879 error = EINVAL; 3880 break; 3881 } 3882 inp->partial_delivery_point = *value; 3883 break; 3884 } 3885 case SCTP_FRAGMENT_INTERLEAVE: 3886 /* not yet until we re-write sctp_recvmsg() */ 3887 { 3888 uint32_t *level; 3889 3890 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3891 if (*level == SCTP_FRAG_LEVEL_2) { 3892 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3893 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3894 } else if (*level == SCTP_FRAG_LEVEL_1) { 3895 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3896 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3897 } else if (*level == SCTP_FRAG_LEVEL_0) { 3898 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3899 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3900 3901 } else { 3902 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3903 error = EINVAL; 3904 } 3905 break; 3906 } 3907 case SCTP_INTERLEAVING_SUPPORTED: 3908 { 3909 struct sctp_assoc_value *av; 3910 3911 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3912 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3913 3914 if (stcb) { 3915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3916 error = EINVAL; 3917 SCTP_TCB_UNLOCK(stcb); 3918 } else { 3919 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3920 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3921 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3922 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3923 SCTP_INP_WLOCK(inp); 3924 if (av->assoc_value == 0) { 3925 inp->idata_supported = 0; 3926 } else { 3927 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3928 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3929 inp->idata_supported = 1; 3930 } else { 3931 /* 3932 * Must have Frag 3933 * interleave and 3934 * stream interleave 3935 * on 3936 */ 3937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3938 error = EINVAL; 3939 } 3940 } 3941 SCTP_INP_WUNLOCK(inp); 3942 } else { 3943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3944 error = EINVAL; 3945 } 3946 } 3947 break; 3948 } 3949 case SCTP_CMT_ON_OFF: 3950 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3951 struct sctp_assoc_value *av; 3952 3953 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3954 if (av->assoc_value > SCTP_CMT_MAX) { 3955 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3956 error = EINVAL; 3957 break; 3958 } 3959 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3960 if (stcb) { 3961 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3962 SCTP_TCB_UNLOCK(stcb); 3963 } else { 3964 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3965 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3966 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3967 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3968 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3969 SCTP_INP_WLOCK(inp); 3970 inp->sctp_cmt_on_off = av->assoc_value; 3971 SCTP_INP_WUNLOCK(inp); 3972 } 3973 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3974 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3975 (av->assoc_id == SCTP_ALL_ASSOC))) { 3976 SCTP_INP_RLOCK(inp); 3977 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3978 SCTP_TCB_LOCK(stcb); 3979 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3980 SCTP_TCB_UNLOCK(stcb); 3981 } 3982 SCTP_INP_RUNLOCK(inp); 3983 } 3984 } 3985 } else { 3986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3987 error = ENOPROTOOPT; 3988 } 3989 break; 3990 case SCTP_PLUGGABLE_CC: 3991 { 3992 struct sctp_assoc_value *av; 3993 struct sctp_nets *net; 3994 3995 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3996 if ((av->assoc_value != SCTP_CC_RFC2581) && 3997 (av->assoc_value != SCTP_CC_HSTCP) && 3998 (av->assoc_value != SCTP_CC_HTCP) && 3999 (av->assoc_value != SCTP_CC_RTCC)) { 4000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4001 error = EINVAL; 4002 break; 4003 } 4004 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4005 if (stcb) { 4006 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4007 stcb->asoc.congestion_control_module = av->assoc_value; 4008 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4009 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4010 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4011 } 4012 } 4013 SCTP_TCB_UNLOCK(stcb); 4014 } else { 4015 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4016 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4017 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4018 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4019 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4020 SCTP_INP_WLOCK(inp); 4021 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4022 SCTP_INP_WUNLOCK(inp); 4023 } 4024 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4025 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4026 (av->assoc_id == SCTP_ALL_ASSOC))) { 4027 SCTP_INP_RLOCK(inp); 4028 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4029 SCTP_TCB_LOCK(stcb); 4030 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4031 stcb->asoc.congestion_control_module = av->assoc_value; 4032 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4033 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4034 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4035 } 4036 } 4037 SCTP_TCB_UNLOCK(stcb); 4038 } 4039 SCTP_INP_RUNLOCK(inp); 4040 } 4041 } 4042 break; 4043 } 4044 case SCTP_CC_OPTION: 4045 { 4046 struct sctp_cc_option *cc_opt; 4047 4048 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4049 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4050 if (stcb == NULL) { 4051 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4052 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4053 SCTP_INP_RLOCK(inp); 4054 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4055 SCTP_TCB_LOCK(stcb); 4056 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4057 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4058 } 4059 SCTP_TCB_UNLOCK(stcb); 4060 } 4061 SCTP_INP_RUNLOCK(inp); 4062 } else { 4063 error = EINVAL; 4064 } 4065 } else { 4066 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4067 error = ENOTSUP; 4068 } else { 4069 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4070 cc_opt); 4071 } 4072 SCTP_TCB_UNLOCK(stcb); 4073 } 4074 break; 4075 } 4076 case SCTP_PLUGGABLE_SS: 4077 { 4078 struct sctp_assoc_value *av; 4079 4080 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4081 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4082 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4083 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4084 (av->assoc_value != SCTP_SS_PRIORITY) && 4085 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4086 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4087 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4088 error = EINVAL; 4089 break; 4090 } 4091 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4092 if (stcb) { 4093 SCTP_TCB_SEND_LOCK(stcb); 4094 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4095 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4096 stcb->asoc.stream_scheduling_module = av->assoc_value; 4097 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4098 SCTP_TCB_SEND_UNLOCK(stcb); 4099 SCTP_TCB_UNLOCK(stcb); 4100 } else { 4101 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4102 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4103 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4104 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4105 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4106 SCTP_INP_WLOCK(inp); 4107 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4108 SCTP_INP_WUNLOCK(inp); 4109 } 4110 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4111 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4112 (av->assoc_id == SCTP_ALL_ASSOC))) { 4113 SCTP_INP_RLOCK(inp); 4114 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4115 SCTP_TCB_LOCK(stcb); 4116 SCTP_TCB_SEND_LOCK(stcb); 4117 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4118 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4119 stcb->asoc.stream_scheduling_module = av->assoc_value; 4120 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4121 SCTP_TCB_SEND_UNLOCK(stcb); 4122 SCTP_TCB_UNLOCK(stcb); 4123 } 4124 SCTP_INP_RUNLOCK(inp); 4125 } 4126 } 4127 break; 4128 } 4129 case SCTP_SS_VALUE: 4130 { 4131 struct sctp_stream_value *av; 4132 4133 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4134 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4135 if (stcb) { 4136 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4137 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4138 av->stream_value) < 0)) { 4139 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4140 error = EINVAL; 4141 } 4142 SCTP_TCB_UNLOCK(stcb); 4143 } else { 4144 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4145 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4146 SCTP_INP_RLOCK(inp); 4147 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4148 SCTP_TCB_LOCK(stcb); 4149 if (av->stream_id < stcb->asoc.streamoutcnt) { 4150 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4151 &stcb->asoc, 4152 &stcb->asoc.strmout[av->stream_id], 4153 av->stream_value); 4154 } 4155 SCTP_TCB_UNLOCK(stcb); 4156 } 4157 SCTP_INP_RUNLOCK(inp); 4158 } else { 4159 /* 4160 * Can't set stream value without 4161 * association 4162 */ 4163 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4164 error = EINVAL; 4165 } 4166 } 4167 break; 4168 } 4169 case SCTP_CLR_STAT_LOG: 4170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4171 error = EOPNOTSUPP; 4172 break; 4173 case SCTP_CONTEXT: 4174 { 4175 struct sctp_assoc_value *av; 4176 4177 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4178 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4179 4180 if (stcb) { 4181 stcb->asoc.context = av->assoc_value; 4182 SCTP_TCB_UNLOCK(stcb); 4183 } else { 4184 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4185 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4186 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4187 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4188 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4189 SCTP_INP_WLOCK(inp); 4190 inp->sctp_context = av->assoc_value; 4191 SCTP_INP_WUNLOCK(inp); 4192 } 4193 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4194 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4195 (av->assoc_id == SCTP_ALL_ASSOC))) { 4196 SCTP_INP_RLOCK(inp); 4197 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4198 SCTP_TCB_LOCK(stcb); 4199 stcb->asoc.context = av->assoc_value; 4200 SCTP_TCB_UNLOCK(stcb); 4201 } 4202 SCTP_INP_RUNLOCK(inp); 4203 } 4204 } 4205 break; 4206 } 4207 case SCTP_VRF_ID: 4208 { 4209 uint32_t *default_vrfid; 4210 4211 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4212 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4213 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4214 error = EINVAL; 4215 break; 4216 } 4217 inp->def_vrf_id = *default_vrfid; 4218 break; 4219 } 4220 case SCTP_DEL_VRF_ID: 4221 { 4222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4223 error = EOPNOTSUPP; 4224 break; 4225 } 4226 case SCTP_ADD_VRF_ID: 4227 { 4228 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4229 error = EOPNOTSUPP; 4230 break; 4231 } 4232 case SCTP_DELAYED_SACK: 4233 { 4234 struct sctp_sack_info *sack; 4235 4236 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4237 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4238 if (sack->sack_delay) { 4239 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4240 error = EINVAL; 4241 if (stcb != NULL) { 4242 SCTP_TCB_UNLOCK(stcb); 4243 } 4244 break; 4245 } 4246 } 4247 if (stcb) { 4248 if (sack->sack_delay) { 4249 stcb->asoc.delayed_ack = sack->sack_delay; 4250 } 4251 if (sack->sack_freq) { 4252 stcb->asoc.sack_freq = sack->sack_freq; 4253 } 4254 SCTP_TCB_UNLOCK(stcb); 4255 } else { 4256 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4257 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4258 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4259 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4260 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4261 SCTP_INP_WLOCK(inp); 4262 if (sack->sack_delay) { 4263 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4264 } 4265 if (sack->sack_freq) { 4266 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4267 } 4268 SCTP_INP_WUNLOCK(inp); 4269 } 4270 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4271 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4272 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4273 SCTP_INP_RLOCK(inp); 4274 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4275 SCTP_TCB_LOCK(stcb); 4276 if (sack->sack_delay) { 4277 stcb->asoc.delayed_ack = sack->sack_delay; 4278 } 4279 if (sack->sack_freq) { 4280 stcb->asoc.sack_freq = sack->sack_freq; 4281 } 4282 SCTP_TCB_UNLOCK(stcb); 4283 } 4284 SCTP_INP_RUNLOCK(inp); 4285 } 4286 } 4287 break; 4288 } 4289 case SCTP_AUTH_CHUNK: 4290 { 4291 struct sctp_authchunk *sauth; 4292 4293 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4294 4295 SCTP_INP_WLOCK(inp); 4296 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4297 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4298 error = EINVAL; 4299 } else { 4300 inp->auth_supported = 1; 4301 } 4302 SCTP_INP_WUNLOCK(inp); 4303 break; 4304 } 4305 case SCTP_AUTH_KEY: 4306 { 4307 struct sctp_authkey *sca; 4308 struct sctp_keyhead *shared_keys; 4309 sctp_sharedkey_t *shared_key; 4310 sctp_key_t *key = NULL; 4311 size_t size; 4312 4313 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4314 if (sca->sca_keylength == 0) { 4315 size = optsize - sizeof(struct sctp_authkey); 4316 } else { 4317 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4318 size = sca->sca_keylength; 4319 } else { 4320 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4321 error = EINVAL; 4322 break; 4323 } 4324 } 4325 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4326 4327 if (stcb) { 4328 shared_keys = &stcb->asoc.shared_keys; 4329 /* clear the cached keys for this key id */ 4330 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4331 /* 4332 * create the new shared key and 4333 * insert/replace it 4334 */ 4335 if (size > 0) { 4336 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4337 if (key == NULL) { 4338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4339 error = ENOMEM; 4340 SCTP_TCB_UNLOCK(stcb); 4341 break; 4342 } 4343 } 4344 shared_key = sctp_alloc_sharedkey(); 4345 if (shared_key == NULL) { 4346 sctp_free_key(key); 4347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4348 error = ENOMEM; 4349 SCTP_TCB_UNLOCK(stcb); 4350 break; 4351 } 4352 shared_key->key = key; 4353 shared_key->keyid = sca->sca_keynumber; 4354 error = sctp_insert_sharedkey(shared_keys, shared_key); 4355 SCTP_TCB_UNLOCK(stcb); 4356 } else { 4357 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4358 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4359 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4360 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4361 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4362 SCTP_INP_WLOCK(inp); 4363 shared_keys = &inp->sctp_ep.shared_keys; 4364 /* 4365 * clear the cached keys on all 4366 * assocs for this key id 4367 */ 4368 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4369 /* 4370 * create the new shared key and 4371 * insert/replace it 4372 */ 4373 if (size > 0) { 4374 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4375 if (key == NULL) { 4376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4377 error = ENOMEM; 4378 SCTP_INP_WUNLOCK(inp); 4379 break; 4380 } 4381 } 4382 shared_key = sctp_alloc_sharedkey(); 4383 if (shared_key == NULL) { 4384 sctp_free_key(key); 4385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4386 error = ENOMEM; 4387 SCTP_INP_WUNLOCK(inp); 4388 break; 4389 } 4390 shared_key->key = key; 4391 shared_key->keyid = sca->sca_keynumber; 4392 error = sctp_insert_sharedkey(shared_keys, shared_key); 4393 SCTP_INP_WUNLOCK(inp); 4394 } 4395 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4396 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4397 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4398 SCTP_INP_RLOCK(inp); 4399 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4400 SCTP_TCB_LOCK(stcb); 4401 shared_keys = &stcb->asoc.shared_keys; 4402 /* 4403 * clear the cached keys for 4404 * this key id 4405 */ 4406 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4407 /* 4408 * create the new shared key 4409 * and insert/replace it 4410 */ 4411 if (size > 0) { 4412 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4413 if (key == NULL) { 4414 SCTP_TCB_UNLOCK(stcb); 4415 continue; 4416 } 4417 } 4418 shared_key = sctp_alloc_sharedkey(); 4419 if (shared_key == NULL) { 4420 sctp_free_key(key); 4421 SCTP_TCB_UNLOCK(stcb); 4422 continue; 4423 } 4424 shared_key->key = key; 4425 shared_key->keyid = sca->sca_keynumber; 4426 error = sctp_insert_sharedkey(shared_keys, shared_key); 4427 SCTP_TCB_UNLOCK(stcb); 4428 } 4429 SCTP_INP_RUNLOCK(inp); 4430 } 4431 } 4432 break; 4433 } 4434 case SCTP_HMAC_IDENT: 4435 { 4436 struct sctp_hmacalgo *shmac; 4437 sctp_hmaclist_t *hmaclist; 4438 uint16_t hmacid; 4439 uint32_t i; 4440 4441 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4442 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4443 (shmac->shmac_number_of_idents > 0xffff)) { 4444 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4445 error = EINVAL; 4446 break; 4447 } 4448 4449 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4450 if (hmaclist == NULL) { 4451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4452 error = ENOMEM; 4453 break; 4454 } 4455 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4456 hmacid = shmac->shmac_idents[i]; 4457 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4458 /* invalid HMACs were found */ ; 4459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4460 error = EINVAL; 4461 sctp_free_hmaclist(hmaclist); 4462 goto sctp_set_hmac_done; 4463 } 4464 } 4465 for (i = 0; i < hmaclist->num_algo; i++) { 4466 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4467 /* already in list */ 4468 break; 4469 } 4470 } 4471 if (i == hmaclist->num_algo) { 4472 /* not found in list */ 4473 sctp_free_hmaclist(hmaclist); 4474 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4475 error = EINVAL; 4476 break; 4477 } 4478 /* set it on the endpoint */ 4479 SCTP_INP_WLOCK(inp); 4480 if (inp->sctp_ep.local_hmacs) 4481 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4482 inp->sctp_ep.local_hmacs = hmaclist; 4483 SCTP_INP_WUNLOCK(inp); 4484 sctp_set_hmac_done: 4485 break; 4486 } 4487 case SCTP_AUTH_ACTIVE_KEY: 4488 { 4489 struct sctp_authkeyid *scact; 4490 4491 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4492 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4493 4494 /* set the active key on the right place */ 4495 if (stcb) { 4496 /* set the active key on the assoc */ 4497 if (sctp_auth_setactivekey(stcb, 4498 scact->scact_keynumber)) { 4499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4500 SCTP_FROM_SCTP_USRREQ, 4501 EINVAL); 4502 error = EINVAL; 4503 } 4504 SCTP_TCB_UNLOCK(stcb); 4505 } else { 4506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4507 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4508 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4509 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4510 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4511 SCTP_INP_WLOCK(inp); 4512 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4514 error = EINVAL; 4515 } 4516 SCTP_INP_WUNLOCK(inp); 4517 } 4518 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4519 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4520 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4521 SCTP_INP_RLOCK(inp); 4522 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4523 SCTP_TCB_LOCK(stcb); 4524 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4525 SCTP_TCB_UNLOCK(stcb); 4526 } 4527 SCTP_INP_RUNLOCK(inp); 4528 } 4529 } 4530 break; 4531 } 4532 case SCTP_AUTH_DELETE_KEY: 4533 { 4534 struct sctp_authkeyid *scdel; 4535 4536 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4537 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4538 4539 /* delete the key from the right place */ 4540 if (stcb) { 4541 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4542 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4543 error = EINVAL; 4544 } 4545 SCTP_TCB_UNLOCK(stcb); 4546 } else { 4547 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4548 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4549 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4550 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4551 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4552 SCTP_INP_WLOCK(inp); 4553 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4555 error = EINVAL; 4556 } 4557 SCTP_INP_WUNLOCK(inp); 4558 } 4559 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4560 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4561 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4562 SCTP_INP_RLOCK(inp); 4563 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4564 SCTP_TCB_LOCK(stcb); 4565 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4566 SCTP_TCB_UNLOCK(stcb); 4567 } 4568 SCTP_INP_RUNLOCK(inp); 4569 } 4570 } 4571 break; 4572 } 4573 case SCTP_AUTH_DEACTIVATE_KEY: 4574 { 4575 struct sctp_authkeyid *keyid; 4576 4577 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4578 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4579 4580 /* deactivate the key from the right place */ 4581 if (stcb) { 4582 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4583 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4584 error = EINVAL; 4585 } 4586 SCTP_TCB_UNLOCK(stcb); 4587 } else { 4588 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4589 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4590 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4591 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4592 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4593 SCTP_INP_WLOCK(inp); 4594 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4595 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4596 error = EINVAL; 4597 } 4598 SCTP_INP_WUNLOCK(inp); 4599 } 4600 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4601 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4602 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4603 SCTP_INP_RLOCK(inp); 4604 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4605 SCTP_TCB_LOCK(stcb); 4606 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4607 SCTP_TCB_UNLOCK(stcb); 4608 } 4609 SCTP_INP_RUNLOCK(inp); 4610 } 4611 } 4612 break; 4613 } 4614 case SCTP_ENABLE_STREAM_RESET: 4615 { 4616 struct sctp_assoc_value *av; 4617 4618 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4619 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4621 error = EINVAL; 4622 break; 4623 } 4624 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4625 if (stcb) { 4626 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4627 SCTP_TCB_UNLOCK(stcb); 4628 } else { 4629 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4630 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4631 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4632 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4633 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4634 SCTP_INP_WLOCK(inp); 4635 inp->local_strreset_support = (uint8_t)av->assoc_value; 4636 SCTP_INP_WUNLOCK(inp); 4637 } 4638 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4639 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4640 (av->assoc_id == SCTP_ALL_ASSOC))) { 4641 SCTP_INP_RLOCK(inp); 4642 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4643 SCTP_TCB_LOCK(stcb); 4644 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4645 SCTP_TCB_UNLOCK(stcb); 4646 } 4647 SCTP_INP_RUNLOCK(inp); 4648 } 4649 4650 } 4651 break; 4652 } 4653 case SCTP_RESET_STREAMS: 4654 { 4655 struct sctp_reset_streams *strrst; 4656 int i, send_out = 0; 4657 int send_in = 0; 4658 4659 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4660 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4661 if (stcb == NULL) { 4662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4663 error = ENOENT; 4664 break; 4665 } 4666 if (stcb->asoc.reconfig_supported == 0) { 4667 /* 4668 * Peer does not support the chunk type. 4669 */ 4670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4671 error = EOPNOTSUPP; 4672 SCTP_TCB_UNLOCK(stcb); 4673 break; 4674 } 4675 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4677 error = EINVAL; 4678 SCTP_TCB_UNLOCK(stcb); 4679 break; 4680 } 4681 if (sizeof(struct sctp_reset_streams) + 4682 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4683 error = EINVAL; 4684 SCTP_TCB_UNLOCK(stcb); 4685 break; 4686 } 4687 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4688 send_in = 1; 4689 if (stcb->asoc.stream_reset_outstanding) { 4690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4691 error = EALREADY; 4692 SCTP_TCB_UNLOCK(stcb); 4693 break; 4694 } 4695 } 4696 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4697 send_out = 1; 4698 } 4699 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4701 error = ENOMEM; 4702 SCTP_TCB_UNLOCK(stcb); 4703 break; 4704 } 4705 if ((send_in == 0) && (send_out == 0)) { 4706 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4707 error = EINVAL; 4708 SCTP_TCB_UNLOCK(stcb); 4709 break; 4710 } 4711 for (i = 0; i < strrst->srs_number_streams; i++) { 4712 if ((send_in) && 4713 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4715 error = EINVAL; 4716 break; 4717 } 4718 if ((send_out) && 4719 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4721 error = EINVAL; 4722 break; 4723 } 4724 } 4725 if (error) { 4726 SCTP_TCB_UNLOCK(stcb); 4727 break; 4728 } 4729 if (send_out) { 4730 int cnt; 4731 uint16_t strm; 4732 4733 if (strrst->srs_number_streams) { 4734 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4735 strm = strrst->srs_stream_list[i]; 4736 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4737 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4738 cnt++; 4739 } 4740 } 4741 } else { 4742 /* Its all */ 4743 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4744 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4745 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4746 cnt++; 4747 } 4748 } 4749 } 4750 } 4751 if (send_in) { 4752 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4753 strrst->srs_stream_list, 4754 send_in, 0, 0, 0, 0, 0); 4755 } else { 4756 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4757 } 4758 if (error == 0) { 4759 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4760 } else { 4761 /* 4762 * For outgoing streams don't report any 4763 * problems in sending the request to the 4764 * application. XXX: Double check resetting 4765 * incoming streams. 4766 */ 4767 error = 0; 4768 } 4769 SCTP_TCB_UNLOCK(stcb); 4770 break; 4771 } 4772 case SCTP_ADD_STREAMS: 4773 { 4774 struct sctp_add_streams *stradd; 4775 uint8_t addstream = 0; 4776 uint16_t add_o_strmcnt = 0; 4777 uint16_t add_i_strmcnt = 0; 4778 4779 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4780 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4781 if (stcb == NULL) { 4782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4783 error = ENOENT; 4784 break; 4785 } 4786 if (stcb->asoc.reconfig_supported == 0) { 4787 /* 4788 * Peer does not support the chunk type. 4789 */ 4790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4791 error = EOPNOTSUPP; 4792 SCTP_TCB_UNLOCK(stcb); 4793 break; 4794 } 4795 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4797 error = EINVAL; 4798 SCTP_TCB_UNLOCK(stcb); 4799 break; 4800 } 4801 if (stcb->asoc.stream_reset_outstanding) { 4802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4803 error = EALREADY; 4804 SCTP_TCB_UNLOCK(stcb); 4805 break; 4806 } 4807 if ((stradd->sas_outstrms == 0) && 4808 (stradd->sas_instrms == 0)) { 4809 error = EINVAL; 4810 goto skip_stuff; 4811 } 4812 if (stradd->sas_outstrms) { 4813 addstream = 1; 4814 /* We allocate here */ 4815 add_o_strmcnt = stradd->sas_outstrms; 4816 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4817 /* You can't have more than 64k */ 4818 error = EINVAL; 4819 goto skip_stuff; 4820 } 4821 } 4822 if (stradd->sas_instrms) { 4823 int cnt; 4824 4825 addstream |= 2; 4826 /* 4827 * We allocate inside 4828 * sctp_send_str_reset_req() 4829 */ 4830 add_i_strmcnt = stradd->sas_instrms; 4831 cnt = add_i_strmcnt; 4832 cnt += stcb->asoc.streamincnt; 4833 if (cnt > 0x0000ffff) { 4834 /* You can't have more than 64k */ 4835 error = EINVAL; 4836 goto skip_stuff; 4837 } 4838 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4839 /* More than you are allowed */ 4840 error = EINVAL; 4841 goto skip_stuff; 4842 } 4843 } 4844 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4845 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4846 skip_stuff: 4847 SCTP_TCB_UNLOCK(stcb); 4848 break; 4849 } 4850 case SCTP_RESET_ASSOC: 4851 { 4852 int i; 4853 uint32_t *value; 4854 4855 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4856 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4857 if (stcb == NULL) { 4858 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4859 error = ENOENT; 4860 break; 4861 } 4862 if (stcb->asoc.reconfig_supported == 0) { 4863 /* 4864 * Peer does not support the chunk type. 4865 */ 4866 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4867 error = EOPNOTSUPP; 4868 SCTP_TCB_UNLOCK(stcb); 4869 break; 4870 } 4871 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4873 error = EINVAL; 4874 SCTP_TCB_UNLOCK(stcb); 4875 break; 4876 } 4877 if (stcb->asoc.stream_reset_outstanding) { 4878 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4879 error = EALREADY; 4880 SCTP_TCB_UNLOCK(stcb); 4881 break; 4882 } 4883 /* 4884 * Is there any data pending in the send or sent 4885 * queues? 4886 */ 4887 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4888 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4889 busy_out: 4890 error = EBUSY; 4891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4892 SCTP_TCB_UNLOCK(stcb); 4893 break; 4894 } 4895 /* Do any streams have data queued? */ 4896 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4897 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4898 goto busy_out; 4899 } 4900 } 4901 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4902 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4903 SCTP_TCB_UNLOCK(stcb); 4904 break; 4905 } 4906 case SCTP_CONNECT_X: 4907 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4909 error = EINVAL; 4910 break; 4911 } 4912 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4913 break; 4914 case SCTP_CONNECT_X_DELAYED: 4915 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4917 error = EINVAL; 4918 break; 4919 } 4920 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4921 break; 4922 case SCTP_CONNECT_X_COMPLETE: 4923 { 4924 struct sockaddr *sa; 4925 4926 /* FIXME MT: check correct? */ 4927 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4928 4929 /* find tcb */ 4930 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4931 SCTP_INP_RLOCK(inp); 4932 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4933 if (stcb) { 4934 SCTP_TCB_LOCK(stcb); 4935 } 4936 SCTP_INP_RUNLOCK(inp); 4937 } else { 4938 /* 4939 * We increment here since 4940 * sctp_findassociation_ep_addr() wil do a 4941 * decrement if it finds the stcb as long as 4942 * the locked tcb (last argument) is NOT a 4943 * TCB.. aka NULL. 4944 */ 4945 SCTP_INP_INCR_REF(inp); 4946 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4947 if (stcb == NULL) { 4948 SCTP_INP_DECR_REF(inp); 4949 } 4950 } 4951 4952 if (stcb == NULL) { 4953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4954 error = ENOENT; 4955 break; 4956 } 4957 if (stcb->asoc.delayed_connection == 1) { 4958 stcb->asoc.delayed_connection = 0; 4959 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4960 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4961 stcb->asoc.primary_destination, 4962 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4963 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4964 } else { 4965 /* 4966 * already expired or did not use delayed 4967 * connectx 4968 */ 4969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4970 error = EALREADY; 4971 } 4972 SCTP_TCB_UNLOCK(stcb); 4973 break; 4974 } 4975 case SCTP_MAX_BURST: 4976 { 4977 struct sctp_assoc_value *av; 4978 4979 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4980 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4981 4982 if (stcb) { 4983 stcb->asoc.max_burst = av->assoc_value; 4984 SCTP_TCB_UNLOCK(stcb); 4985 } else { 4986 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4987 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4988 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4989 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4990 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4991 SCTP_INP_WLOCK(inp); 4992 inp->sctp_ep.max_burst = av->assoc_value; 4993 SCTP_INP_WUNLOCK(inp); 4994 } 4995 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4996 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4997 (av->assoc_id == SCTP_ALL_ASSOC))) { 4998 SCTP_INP_RLOCK(inp); 4999 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5000 SCTP_TCB_LOCK(stcb); 5001 stcb->asoc.max_burst = av->assoc_value; 5002 SCTP_TCB_UNLOCK(stcb); 5003 } 5004 SCTP_INP_RUNLOCK(inp); 5005 } 5006 } 5007 break; 5008 } 5009 case SCTP_MAXSEG: 5010 { 5011 struct sctp_assoc_value *av; 5012 int ovh; 5013 5014 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 5015 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 5016 5017 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5018 ovh = SCTP_MED_OVERHEAD; 5019 } else { 5020 ovh = SCTP_MED_V4_OVERHEAD; 5021 } 5022 if (stcb) { 5023 if (av->assoc_value) { 5024 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 5025 } else { 5026 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5027 } 5028 SCTP_TCB_UNLOCK(stcb); 5029 } else { 5030 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5031 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5032 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5033 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 5034 SCTP_INP_WLOCK(inp); 5035 /* 5036 * FIXME MT: I think this is not in 5037 * tune with the API ID 5038 */ 5039 if (av->assoc_value) { 5040 inp->sctp_frag_point = (av->assoc_value + ovh); 5041 } else { 5042 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5043 } 5044 SCTP_INP_WUNLOCK(inp); 5045 } else { 5046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5047 error = EINVAL; 5048 } 5049 } 5050 break; 5051 } 5052 case SCTP_EVENTS: 5053 { 5054 struct sctp_event_subscribe *events; 5055 5056 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5057 5058 SCTP_INP_WLOCK(inp); 5059 if (events->sctp_data_io_event) { 5060 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5061 } else { 5062 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5063 } 5064 5065 if (events->sctp_association_event) { 5066 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5067 } else { 5068 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5069 } 5070 5071 if (events->sctp_address_event) { 5072 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5073 } else { 5074 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5075 } 5076 5077 if (events->sctp_send_failure_event) { 5078 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5079 } else { 5080 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5081 } 5082 5083 if (events->sctp_peer_error_event) { 5084 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5085 } else { 5086 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5087 } 5088 5089 if (events->sctp_shutdown_event) { 5090 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5091 } else { 5092 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5093 } 5094 5095 if (events->sctp_partial_delivery_event) { 5096 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5097 } else { 5098 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5099 } 5100 5101 if (events->sctp_adaptation_layer_event) { 5102 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5103 } else { 5104 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5105 } 5106 5107 if (events->sctp_authentication_event) { 5108 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5109 } else { 5110 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5111 } 5112 5113 if (events->sctp_sender_dry_event) { 5114 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5115 } else { 5116 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5117 } 5118 5119 if (events->sctp_stream_reset_event) { 5120 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5121 } else { 5122 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5123 } 5124 SCTP_INP_WUNLOCK(inp); 5125 5126 SCTP_INP_RLOCK(inp); 5127 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5128 SCTP_TCB_LOCK(stcb); 5129 if (events->sctp_association_event) { 5130 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5131 } else { 5132 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5133 } 5134 if (events->sctp_address_event) { 5135 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5136 } else { 5137 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5138 } 5139 if (events->sctp_send_failure_event) { 5140 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5141 } else { 5142 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5143 } 5144 if (events->sctp_peer_error_event) { 5145 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5146 } else { 5147 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5148 } 5149 if (events->sctp_shutdown_event) { 5150 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5151 } else { 5152 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5153 } 5154 if (events->sctp_partial_delivery_event) { 5155 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5156 } else { 5157 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5158 } 5159 if (events->sctp_adaptation_layer_event) { 5160 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5161 } else { 5162 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5163 } 5164 if (events->sctp_authentication_event) { 5165 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5166 } else { 5167 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5168 } 5169 if (events->sctp_sender_dry_event) { 5170 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5171 } else { 5172 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5173 } 5174 if (events->sctp_stream_reset_event) { 5175 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5176 } else { 5177 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5178 } 5179 SCTP_TCB_UNLOCK(stcb); 5180 } 5181 /* 5182 * Send up the sender dry event only for 1-to-1 5183 * style sockets. 5184 */ 5185 if (events->sctp_sender_dry_event) { 5186 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5187 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5188 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5189 if (stcb) { 5190 SCTP_TCB_LOCK(stcb); 5191 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5192 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5193 (stcb->asoc.stream_queue_cnt == 0)) { 5194 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5195 } 5196 SCTP_TCB_UNLOCK(stcb); 5197 } 5198 } 5199 } 5200 SCTP_INP_RUNLOCK(inp); 5201 break; 5202 } 5203 case SCTP_ADAPTATION_LAYER: 5204 { 5205 struct sctp_setadaptation *adap_bits; 5206 5207 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5208 SCTP_INP_WLOCK(inp); 5209 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5210 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5211 SCTP_INP_WUNLOCK(inp); 5212 break; 5213 } 5214 #ifdef SCTP_DEBUG 5215 case SCTP_SET_INITIAL_DBG_SEQ: 5216 { 5217 uint32_t *vvv; 5218 5219 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5220 SCTP_INP_WLOCK(inp); 5221 inp->sctp_ep.initial_sequence_debug = *vvv; 5222 SCTP_INP_WUNLOCK(inp); 5223 break; 5224 } 5225 #endif 5226 case SCTP_DEFAULT_SEND_PARAM: 5227 { 5228 struct sctp_sndrcvinfo *s_info; 5229 5230 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5231 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5232 5233 if (stcb) { 5234 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5235 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5236 } else { 5237 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5238 error = EINVAL; 5239 } 5240 SCTP_TCB_UNLOCK(stcb); 5241 } else { 5242 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5243 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5244 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5245 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5246 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5247 SCTP_INP_WLOCK(inp); 5248 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5249 SCTP_INP_WUNLOCK(inp); 5250 } 5251 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5252 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5253 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5254 SCTP_INP_RLOCK(inp); 5255 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5256 SCTP_TCB_LOCK(stcb); 5257 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5258 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5259 } 5260 SCTP_TCB_UNLOCK(stcb); 5261 } 5262 SCTP_INP_RUNLOCK(inp); 5263 } 5264 } 5265 break; 5266 } 5267 case SCTP_PEER_ADDR_PARAMS: 5268 { 5269 struct sctp_paddrparams *paddrp; 5270 struct sctp_nets *net; 5271 struct sockaddr *addr; 5272 #if defined(INET) && defined(INET6) 5273 struct sockaddr_in sin_store; 5274 #endif 5275 5276 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5277 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5278 5279 #if defined(INET) && defined(INET6) 5280 if (paddrp->spp_address.ss_family == AF_INET6) { 5281 struct sockaddr_in6 *sin6; 5282 5283 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5284 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5285 in6_sin6_2_sin(&sin_store, sin6); 5286 addr = (struct sockaddr *)&sin_store; 5287 } else { 5288 addr = (struct sockaddr *)&paddrp->spp_address; 5289 } 5290 } else { 5291 addr = (struct sockaddr *)&paddrp->spp_address; 5292 } 5293 #else 5294 addr = (struct sockaddr *)&paddrp->spp_address; 5295 #endif 5296 if (stcb != NULL) { 5297 net = sctp_findnet(stcb, addr); 5298 } else { 5299 /* 5300 * We increment here since 5301 * sctp_findassociation_ep_addr() wil do a 5302 * decrement if it finds the stcb as long as 5303 * the locked tcb (last argument) is NOT a 5304 * TCB.. aka NULL. 5305 */ 5306 net = NULL; 5307 SCTP_INP_INCR_REF(inp); 5308 stcb = sctp_findassociation_ep_addr(&inp, addr, 5309 &net, NULL, NULL); 5310 if (stcb == NULL) { 5311 SCTP_INP_DECR_REF(inp); 5312 } 5313 } 5314 if ((stcb != NULL) && (net == NULL)) { 5315 #ifdef INET 5316 if (addr->sa_family == AF_INET) { 5317 5318 struct sockaddr_in *sin; 5319 5320 sin = (struct sockaddr_in *)addr; 5321 if (sin->sin_addr.s_addr != INADDR_ANY) { 5322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5323 SCTP_TCB_UNLOCK(stcb); 5324 error = EINVAL; 5325 break; 5326 } 5327 } else 5328 #endif 5329 #ifdef INET6 5330 if (addr->sa_family == AF_INET6) { 5331 struct sockaddr_in6 *sin6; 5332 5333 sin6 = (struct sockaddr_in6 *)addr; 5334 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5335 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5336 SCTP_TCB_UNLOCK(stcb); 5337 error = EINVAL; 5338 break; 5339 } 5340 } else 5341 #endif 5342 { 5343 error = EAFNOSUPPORT; 5344 SCTP_TCB_UNLOCK(stcb); 5345 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5346 break; 5347 } 5348 } 5349 /* sanity checks */ 5350 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5351 if (stcb) 5352 SCTP_TCB_UNLOCK(stcb); 5353 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5354 return (EINVAL); 5355 } 5356 5357 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5358 if (stcb) 5359 SCTP_TCB_UNLOCK(stcb); 5360 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5361 return (EINVAL); 5362 } 5363 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5364 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5365 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5366 if (stcb) 5367 SCTP_TCB_UNLOCK(stcb); 5368 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5369 return (EINVAL); 5370 } 5371 5372 if (stcb != NULL) { 5373 /************************TCB SPECIFIC SET ******************/ 5374 if (net != NULL) { 5375 /************************NET SPECIFIC SET ******************/ 5376 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5377 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5378 !(net->dest_state & SCTP_ADDR_NOHB)) { 5379 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5380 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5381 } 5382 net->dest_state |= SCTP_ADDR_NOHB; 5383 } 5384 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5385 if (paddrp->spp_hbinterval) { 5386 net->heart_beat_delay = paddrp->spp_hbinterval; 5387 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5388 net->heart_beat_delay = 0; 5389 } 5390 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5391 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5392 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5393 net->dest_state &= ~SCTP_ADDR_NOHB; 5394 } 5395 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5396 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5397 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5398 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5399 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5400 } 5401 } 5402 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5403 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5404 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5405 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5406 } 5407 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5408 net->mtu = paddrp->spp_pathmtu; 5409 switch (net->ro._l_addr.sa.sa_family) { 5410 #ifdef INET 5411 case AF_INET: 5412 net->mtu += SCTP_MIN_V4_OVERHEAD; 5413 break; 5414 #endif 5415 #ifdef INET6 5416 case AF_INET6: 5417 net->mtu += SCTP_MIN_OVERHEAD; 5418 break; 5419 #endif 5420 default: 5421 break; 5422 } 5423 if (net->mtu < stcb->asoc.smallest_mtu) { 5424 sctp_pathmtu_adjustment(stcb, net->mtu); 5425 } 5426 } 5427 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5428 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5429 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5430 } 5431 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5432 } 5433 if (paddrp->spp_pathmaxrxt) { 5434 if (net->dest_state & SCTP_ADDR_PF) { 5435 if (net->error_count > paddrp->spp_pathmaxrxt) { 5436 net->dest_state &= ~SCTP_ADDR_PF; 5437 } 5438 } else { 5439 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5440 (net->error_count > net->pf_threshold)) { 5441 net->dest_state |= SCTP_ADDR_PF; 5442 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5443 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5444 stcb->sctp_ep, stcb, net, 5445 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5446 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5447 } 5448 } 5449 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5450 if (net->error_count > paddrp->spp_pathmaxrxt) { 5451 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5452 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5453 } 5454 } else { 5455 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5456 net->dest_state |= SCTP_ADDR_REACHABLE; 5457 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5458 } 5459 } 5460 net->failure_threshold = paddrp->spp_pathmaxrxt; 5461 } 5462 if (paddrp->spp_flags & SPP_DSCP) { 5463 net->dscp = paddrp->spp_dscp & 0xfc; 5464 net->dscp |= 0x01; 5465 } 5466 #ifdef INET6 5467 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5468 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5469 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5470 net->flowlabel |= 0x80000000; 5471 } 5472 } 5473 #endif 5474 } else { 5475 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5476 if (paddrp->spp_pathmaxrxt != 0) { 5477 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5478 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5479 if (net->dest_state & SCTP_ADDR_PF) { 5480 if (net->error_count > paddrp->spp_pathmaxrxt) { 5481 net->dest_state &= ~SCTP_ADDR_PF; 5482 } 5483 } else { 5484 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5485 (net->error_count > net->pf_threshold)) { 5486 net->dest_state |= SCTP_ADDR_PF; 5487 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5488 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5489 stcb->sctp_ep, stcb, net, 5490 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5491 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5492 } 5493 } 5494 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5495 if (net->error_count > paddrp->spp_pathmaxrxt) { 5496 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5497 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5498 } 5499 } else { 5500 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5501 net->dest_state |= SCTP_ADDR_REACHABLE; 5502 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5503 } 5504 } 5505 net->failure_threshold = paddrp->spp_pathmaxrxt; 5506 } 5507 } 5508 5509 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5510 if (paddrp->spp_hbinterval != 0) { 5511 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5512 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5513 stcb->asoc.heart_beat_delay = 0; 5514 } 5515 /* Turn back on the timer */ 5516 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5517 if (paddrp->spp_hbinterval != 0) { 5518 net->heart_beat_delay = paddrp->spp_hbinterval; 5519 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5520 net->heart_beat_delay = 0; 5521 } 5522 if (net->dest_state & SCTP_ADDR_NOHB) { 5523 net->dest_state &= ~SCTP_ADDR_NOHB; 5524 } 5525 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5526 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5527 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5528 } 5529 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5530 } 5531 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5532 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5533 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5534 net->dest_state |= SCTP_ADDR_NOHB; 5535 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5536 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5537 inp, stcb, net, 5538 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5539 } 5540 } 5541 } 5542 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5543 } 5544 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5545 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5546 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5547 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5548 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5549 } 5550 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5551 net->mtu = paddrp->spp_pathmtu; 5552 switch (net->ro._l_addr.sa.sa_family) { 5553 #ifdef INET 5554 case AF_INET: 5555 net->mtu += SCTP_MIN_V4_OVERHEAD; 5556 break; 5557 #endif 5558 #ifdef INET6 5559 case AF_INET6: 5560 net->mtu += SCTP_MIN_OVERHEAD; 5561 break; 5562 #endif 5563 default: 5564 break; 5565 } 5566 if (net->mtu < stcb->asoc.smallest_mtu) { 5567 sctp_pathmtu_adjustment(stcb, net->mtu); 5568 } 5569 } 5570 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5571 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5572 } 5573 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5574 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5575 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5576 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5577 } 5578 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5579 } 5580 stcb->asoc.default_mtu = 0; 5581 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5582 } 5583 if (paddrp->spp_flags & SPP_DSCP) { 5584 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5585 net->dscp = paddrp->spp_dscp & 0xfc; 5586 net->dscp |= 0x01; 5587 } 5588 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5589 stcb->asoc.default_dscp |= 0x01; 5590 } 5591 #ifdef INET6 5592 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5593 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5594 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5595 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5596 net->flowlabel |= 0x80000000; 5597 } 5598 } 5599 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5600 stcb->asoc.default_flowlabel |= 0x80000000; 5601 } 5602 #endif 5603 } 5604 SCTP_TCB_UNLOCK(stcb); 5605 } else { 5606 /************************NO TCB, SET TO default stuff ******************/ 5607 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5608 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5609 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5610 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5611 SCTP_INP_WLOCK(inp); 5612 /* 5613 * For the TOS/FLOWLABEL stuff you 5614 * set it with the options on the 5615 * socket 5616 */ 5617 if (paddrp->spp_pathmaxrxt != 0) { 5618 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5619 } 5620 5621 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5622 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5623 else if (paddrp->spp_hbinterval != 0) { 5624 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5625 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5626 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5627 } 5628 5629 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5630 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5631 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5632 } else if (paddrp->spp_hbinterval) { 5633 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5634 } 5635 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5636 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5637 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5638 } 5639 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5640 inp->sctp_ep.default_mtu = 0; 5641 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5642 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5643 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5644 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5645 } 5646 if (paddrp->spp_flags & SPP_DSCP) { 5647 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5648 inp->sctp_ep.default_dscp |= 0x01; 5649 } 5650 #ifdef INET6 5651 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5652 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5653 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5654 inp->sctp_ep.default_flowlabel |= 0x80000000; 5655 } 5656 } 5657 #endif 5658 SCTP_INP_WUNLOCK(inp); 5659 } else { 5660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5661 error = EINVAL; 5662 } 5663 } 5664 break; 5665 } 5666 case SCTP_RTOINFO: 5667 { 5668 struct sctp_rtoinfo *srto; 5669 uint32_t new_init, new_min, new_max; 5670 5671 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5672 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5673 5674 if (stcb) { 5675 if (srto->srto_initial) 5676 new_init = srto->srto_initial; 5677 else 5678 new_init = stcb->asoc.initial_rto; 5679 if (srto->srto_max) 5680 new_max = srto->srto_max; 5681 else 5682 new_max = stcb->asoc.maxrto; 5683 if (srto->srto_min) 5684 new_min = srto->srto_min; 5685 else 5686 new_min = stcb->asoc.minrto; 5687 if ((new_min <= new_init) && (new_init <= new_max)) { 5688 stcb->asoc.initial_rto = new_init; 5689 stcb->asoc.maxrto = new_max; 5690 stcb->asoc.minrto = new_min; 5691 } else { 5692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5693 error = EINVAL; 5694 } 5695 SCTP_TCB_UNLOCK(stcb); 5696 } else { 5697 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5698 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5699 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5700 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5701 SCTP_INP_WLOCK(inp); 5702 if (srto->srto_initial) 5703 new_init = srto->srto_initial; 5704 else 5705 new_init = inp->sctp_ep.initial_rto; 5706 if (srto->srto_max) 5707 new_max = srto->srto_max; 5708 else 5709 new_max = inp->sctp_ep.sctp_maxrto; 5710 if (srto->srto_min) 5711 new_min = srto->srto_min; 5712 else 5713 new_min = inp->sctp_ep.sctp_minrto; 5714 if ((new_min <= new_init) && (new_init <= new_max)) { 5715 inp->sctp_ep.initial_rto = new_init; 5716 inp->sctp_ep.sctp_maxrto = new_max; 5717 inp->sctp_ep.sctp_minrto = new_min; 5718 } else { 5719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5720 error = EINVAL; 5721 } 5722 SCTP_INP_WUNLOCK(inp); 5723 } else { 5724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5725 error = EINVAL; 5726 } 5727 } 5728 break; 5729 } 5730 case SCTP_ASSOCINFO: 5731 { 5732 struct sctp_assocparams *sasoc; 5733 5734 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5735 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5736 if (sasoc->sasoc_cookie_life) { 5737 /* boundary check the cookie life */ 5738 if (sasoc->sasoc_cookie_life < 1000) 5739 sasoc->sasoc_cookie_life = 1000; 5740 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5741 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5742 } 5743 } 5744 if (stcb) { 5745 if (sasoc->sasoc_asocmaxrxt) 5746 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5747 if (sasoc->sasoc_cookie_life) { 5748 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5749 } 5750 SCTP_TCB_UNLOCK(stcb); 5751 } else { 5752 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5753 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5754 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5755 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5756 SCTP_INP_WLOCK(inp); 5757 if (sasoc->sasoc_asocmaxrxt) 5758 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5759 if (sasoc->sasoc_cookie_life) { 5760 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5761 } 5762 SCTP_INP_WUNLOCK(inp); 5763 } else { 5764 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5765 error = EINVAL; 5766 } 5767 } 5768 break; 5769 } 5770 case SCTP_INITMSG: 5771 { 5772 struct sctp_initmsg *sinit; 5773 5774 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5775 SCTP_INP_WLOCK(inp); 5776 if (sinit->sinit_num_ostreams) 5777 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5778 5779 if (sinit->sinit_max_instreams) 5780 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5781 5782 if (sinit->sinit_max_attempts) 5783 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5784 5785 if (sinit->sinit_max_init_timeo) 5786 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5787 SCTP_INP_WUNLOCK(inp); 5788 break; 5789 } 5790 case SCTP_PRIMARY_ADDR: 5791 { 5792 struct sctp_setprim *spa; 5793 struct sctp_nets *net; 5794 struct sockaddr *addr; 5795 #if defined(INET) && defined(INET6) 5796 struct sockaddr_in sin_store; 5797 #endif 5798 5799 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5800 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5801 5802 #if defined(INET) && defined(INET6) 5803 if (spa->ssp_addr.ss_family == AF_INET6) { 5804 struct sockaddr_in6 *sin6; 5805 5806 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5807 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5808 in6_sin6_2_sin(&sin_store, sin6); 5809 addr = (struct sockaddr *)&sin_store; 5810 } else { 5811 addr = (struct sockaddr *)&spa->ssp_addr; 5812 } 5813 } else { 5814 addr = (struct sockaddr *)&spa->ssp_addr; 5815 } 5816 #else 5817 addr = (struct sockaddr *)&spa->ssp_addr; 5818 #endif 5819 if (stcb != NULL) { 5820 net = sctp_findnet(stcb, addr); 5821 } else { 5822 /* 5823 * We increment here since 5824 * sctp_findassociation_ep_addr() wil do a 5825 * decrement if it finds the stcb as long as 5826 * the locked tcb (last argument) is NOT a 5827 * TCB.. aka NULL. 5828 */ 5829 net = NULL; 5830 SCTP_INP_INCR_REF(inp); 5831 stcb = sctp_findassociation_ep_addr(&inp, addr, 5832 &net, NULL, NULL); 5833 if (stcb == NULL) { 5834 SCTP_INP_DECR_REF(inp); 5835 } 5836 } 5837 5838 if ((stcb != NULL) && (net != NULL)) { 5839 if (net != stcb->asoc.primary_destination) { 5840 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5841 /* Ok we need to set it */ 5842 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5843 if ((stcb->asoc.alternate) && 5844 (!(net->dest_state & SCTP_ADDR_PF)) && 5845 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5846 sctp_free_remote_addr(stcb->asoc.alternate); 5847 stcb->asoc.alternate = NULL; 5848 } 5849 } else { 5850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5851 error = EINVAL; 5852 } 5853 } else { 5854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5855 error = EINVAL; 5856 } 5857 } 5858 } else { 5859 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5860 error = EINVAL; 5861 } 5862 if (stcb != NULL) { 5863 SCTP_TCB_UNLOCK(stcb); 5864 } 5865 break; 5866 } 5867 case SCTP_SET_DYNAMIC_PRIMARY: 5868 { 5869 union sctp_sockstore *ss; 5870 5871 error = priv_check(curthread, 5872 PRIV_NETINET_RESERVEDPORT); 5873 if (error) 5874 break; 5875 5876 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5877 /* SUPER USER CHECK? */ 5878 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5879 break; 5880 } 5881 case SCTP_SET_PEER_PRIMARY_ADDR: 5882 { 5883 struct sctp_setpeerprim *sspp; 5884 struct sockaddr *addr; 5885 #if defined(INET) && defined(INET6) 5886 struct sockaddr_in sin_store; 5887 #endif 5888 5889 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5890 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5891 if (stcb != NULL) { 5892 struct sctp_ifa *ifa; 5893 5894 #if defined(INET) && defined(INET6) 5895 if (sspp->sspp_addr.ss_family == AF_INET6) { 5896 struct sockaddr_in6 *sin6; 5897 5898 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5899 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5900 in6_sin6_2_sin(&sin_store, sin6); 5901 addr = (struct sockaddr *)&sin_store; 5902 } else { 5903 addr = (struct sockaddr *)&sspp->sspp_addr; 5904 } 5905 } else { 5906 addr = (struct sockaddr *)&sspp->sspp_addr; 5907 } 5908 #else 5909 addr = (struct sockaddr *)&sspp->sspp_addr; 5910 #endif 5911 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5912 if (ifa == NULL) { 5913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5914 error = EINVAL; 5915 goto out_of_it; 5916 } 5917 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5918 /* 5919 * Must validate the ifa found is in 5920 * our ep 5921 */ 5922 struct sctp_laddr *laddr; 5923 int found = 0; 5924 5925 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5926 if (laddr->ifa == NULL) { 5927 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5928 __func__); 5929 continue; 5930 } 5931 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5932 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5933 continue; 5934 } 5935 if (laddr->ifa == ifa) { 5936 found = 1; 5937 break; 5938 } 5939 } 5940 if (!found) { 5941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5942 error = EINVAL; 5943 goto out_of_it; 5944 } 5945 } else { 5946 switch (addr->sa_family) { 5947 #ifdef INET 5948 case AF_INET: 5949 { 5950 struct sockaddr_in *sin; 5951 5952 sin = (struct sockaddr_in *)addr; 5953 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5954 &sin->sin_addr) != 0) { 5955 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5956 error = EINVAL; 5957 goto out_of_it; 5958 } 5959 break; 5960 } 5961 #endif 5962 #ifdef INET6 5963 case AF_INET6: 5964 { 5965 struct sockaddr_in6 *sin6; 5966 5967 sin6 = (struct sockaddr_in6 *)addr; 5968 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5969 &sin6->sin6_addr) != 0) { 5970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5971 error = EINVAL; 5972 goto out_of_it; 5973 } 5974 break; 5975 } 5976 #endif 5977 default: 5978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5979 error = EINVAL; 5980 goto out_of_it; 5981 } 5982 } 5983 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5985 error = EINVAL; 5986 } 5987 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5988 out_of_it: 5989 SCTP_TCB_UNLOCK(stcb); 5990 } else { 5991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5992 error = EINVAL; 5993 } 5994 break; 5995 } 5996 case SCTP_BINDX_ADD_ADDR: 5997 { 5998 struct sctp_getaddresses *addrs; 5999 struct thread *td; 6000 6001 td = (struct thread *)p; 6002 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 6003 optsize); 6004 #ifdef INET 6005 if (addrs->addr->sa_family == AF_INET) { 6006 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 6007 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6008 error = EINVAL; 6009 break; 6010 } 6011 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 6012 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6013 break; 6014 } 6015 } else 6016 #endif 6017 #ifdef INET6 6018 if (addrs->addr->sa_family == AF_INET6) { 6019 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 6020 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6021 error = EINVAL; 6022 break; 6023 } 6024 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6025 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6026 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6027 break; 6028 } 6029 } else 6030 #endif 6031 { 6032 error = EAFNOSUPPORT; 6033 break; 6034 } 6035 sctp_bindx_add_address(so, inp, addrs->addr, 6036 addrs->sget_assoc_id, vrf_id, 6037 &error, p); 6038 break; 6039 } 6040 case SCTP_BINDX_REM_ADDR: 6041 { 6042 struct sctp_getaddresses *addrs; 6043 struct thread *td; 6044 6045 td = (struct thread *)p; 6046 6047 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 6048 #ifdef INET 6049 if (addrs->addr->sa_family == AF_INET) { 6050 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 6051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6052 error = EINVAL; 6053 break; 6054 } 6055 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 6056 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6057 break; 6058 } 6059 } else 6060 #endif 6061 #ifdef INET6 6062 if (addrs->addr->sa_family == AF_INET6) { 6063 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 6064 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6065 error = EINVAL; 6066 break; 6067 } 6068 if (td != NULL && 6069 (error = prison_local_ip6(td->td_ucred, 6070 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6071 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6072 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6073 break; 6074 } 6075 } else 6076 #endif 6077 { 6078 error = EAFNOSUPPORT; 6079 break; 6080 } 6081 sctp_bindx_delete_address(inp, addrs->addr, 6082 addrs->sget_assoc_id, vrf_id, 6083 &error); 6084 break; 6085 } 6086 case SCTP_EVENT: 6087 { 6088 struct sctp_event *event; 6089 uint32_t event_type; 6090 6091 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6092 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6093 switch (event->se_type) { 6094 case SCTP_ASSOC_CHANGE: 6095 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6096 break; 6097 case SCTP_PEER_ADDR_CHANGE: 6098 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6099 break; 6100 case SCTP_REMOTE_ERROR: 6101 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6102 break; 6103 case SCTP_SEND_FAILED: 6104 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6105 break; 6106 case SCTP_SHUTDOWN_EVENT: 6107 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6108 break; 6109 case SCTP_ADAPTATION_INDICATION: 6110 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6111 break; 6112 case SCTP_PARTIAL_DELIVERY_EVENT: 6113 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6114 break; 6115 case SCTP_AUTHENTICATION_EVENT: 6116 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6117 break; 6118 case SCTP_STREAM_RESET_EVENT: 6119 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6120 break; 6121 case SCTP_SENDER_DRY_EVENT: 6122 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6123 break; 6124 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6125 event_type = 0; 6126 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6127 error = ENOTSUP; 6128 break; 6129 case SCTP_ASSOC_RESET_EVENT: 6130 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6131 break; 6132 case SCTP_STREAM_CHANGE_EVENT: 6133 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6134 break; 6135 case SCTP_SEND_FAILED_EVENT: 6136 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6137 break; 6138 default: 6139 event_type = 0; 6140 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6141 error = EINVAL; 6142 break; 6143 } 6144 if (event_type > 0) { 6145 if (stcb) { 6146 if (event->se_on) { 6147 sctp_stcb_feature_on(inp, stcb, event_type); 6148 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6149 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6150 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6151 (stcb->asoc.stream_queue_cnt == 0)) { 6152 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6153 } 6154 } 6155 } else { 6156 sctp_stcb_feature_off(inp, stcb, event_type); 6157 } 6158 SCTP_TCB_UNLOCK(stcb); 6159 } else { 6160 /* 6161 * We don't want to send up a storm 6162 * of events, so return an error for 6163 * sender dry events 6164 */ 6165 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6166 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6167 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6168 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6169 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6170 error = ENOTSUP; 6171 break; 6172 } 6173 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6174 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6175 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6176 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6177 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6178 SCTP_INP_WLOCK(inp); 6179 if (event->se_on) { 6180 sctp_feature_on(inp, event_type); 6181 } else { 6182 sctp_feature_off(inp, event_type); 6183 } 6184 SCTP_INP_WUNLOCK(inp); 6185 } 6186 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6187 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6188 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6189 SCTP_INP_RLOCK(inp); 6190 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6191 SCTP_TCB_LOCK(stcb); 6192 if (event->se_on) { 6193 sctp_stcb_feature_on(inp, stcb, event_type); 6194 } else { 6195 sctp_stcb_feature_off(inp, stcb, event_type); 6196 } 6197 SCTP_TCB_UNLOCK(stcb); 6198 } 6199 SCTP_INP_RUNLOCK(inp); 6200 } 6201 } 6202 } else { 6203 if (stcb) { 6204 SCTP_TCB_UNLOCK(stcb); 6205 } 6206 } 6207 break; 6208 } 6209 case SCTP_RECVRCVINFO: 6210 { 6211 int *onoff; 6212 6213 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6214 SCTP_INP_WLOCK(inp); 6215 if (*onoff != 0) { 6216 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6217 } else { 6218 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6219 } 6220 SCTP_INP_WUNLOCK(inp); 6221 break; 6222 } 6223 case SCTP_RECVNXTINFO: 6224 { 6225 int *onoff; 6226 6227 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6228 SCTP_INP_WLOCK(inp); 6229 if (*onoff != 0) { 6230 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6231 } else { 6232 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6233 } 6234 SCTP_INP_WUNLOCK(inp); 6235 break; 6236 } 6237 case SCTP_DEFAULT_SNDINFO: 6238 { 6239 struct sctp_sndinfo *info; 6240 uint16_t policy; 6241 6242 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6243 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6244 6245 if (stcb) { 6246 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6247 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6248 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6249 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6250 stcb->asoc.def_send.sinfo_flags |= policy; 6251 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6252 stcb->asoc.def_send.sinfo_context = info->snd_context; 6253 } else { 6254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6255 error = EINVAL; 6256 } 6257 SCTP_TCB_UNLOCK(stcb); 6258 } else { 6259 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6260 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6261 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6262 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6263 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6264 SCTP_INP_WLOCK(inp); 6265 inp->def_send.sinfo_stream = info->snd_sid; 6266 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6267 inp->def_send.sinfo_flags = info->snd_flags; 6268 inp->def_send.sinfo_flags |= policy; 6269 inp->def_send.sinfo_ppid = info->snd_ppid; 6270 inp->def_send.sinfo_context = info->snd_context; 6271 SCTP_INP_WUNLOCK(inp); 6272 } 6273 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6274 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6275 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6276 SCTP_INP_RLOCK(inp); 6277 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6278 SCTP_TCB_LOCK(stcb); 6279 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6280 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6281 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6282 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6283 stcb->asoc.def_send.sinfo_flags |= policy; 6284 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6285 stcb->asoc.def_send.sinfo_context = info->snd_context; 6286 } 6287 SCTP_TCB_UNLOCK(stcb); 6288 } 6289 SCTP_INP_RUNLOCK(inp); 6290 } 6291 } 6292 break; 6293 } 6294 case SCTP_DEFAULT_PRINFO: 6295 { 6296 struct sctp_default_prinfo *info; 6297 6298 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6299 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6300 6301 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6302 if (stcb) { 6303 SCTP_TCB_UNLOCK(stcb); 6304 } 6305 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6306 error = EINVAL; 6307 break; 6308 } 6309 if (stcb) { 6310 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6311 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6312 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6313 SCTP_TCB_UNLOCK(stcb); 6314 } else { 6315 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6316 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6317 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6318 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6319 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6320 SCTP_INP_WLOCK(inp); 6321 inp->def_send.sinfo_flags &= 0xfff0; 6322 inp->def_send.sinfo_flags |= info->pr_policy; 6323 inp->def_send.sinfo_timetolive = info->pr_value; 6324 SCTP_INP_WUNLOCK(inp); 6325 } 6326 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6327 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6328 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6329 SCTP_INP_RLOCK(inp); 6330 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6331 SCTP_TCB_LOCK(stcb); 6332 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6333 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6334 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6335 SCTP_TCB_UNLOCK(stcb); 6336 } 6337 SCTP_INP_RUNLOCK(inp); 6338 } 6339 } 6340 break; 6341 } 6342 case SCTP_PEER_ADDR_THLDS: 6343 /* Applies to the specific association */ 6344 { 6345 struct sctp_paddrthlds *thlds; 6346 struct sctp_nets *net; 6347 struct sockaddr *addr; 6348 #if defined(INET) && defined(INET6) 6349 struct sockaddr_in sin_store; 6350 #endif 6351 6352 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6353 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6354 6355 #if defined(INET) && defined(INET6) 6356 if (thlds->spt_address.ss_family == AF_INET6) { 6357 struct sockaddr_in6 *sin6; 6358 6359 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6360 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6361 in6_sin6_2_sin(&sin_store, sin6); 6362 addr = (struct sockaddr *)&sin_store; 6363 } else { 6364 addr = (struct sockaddr *)&thlds->spt_address; 6365 } 6366 } else { 6367 addr = (struct sockaddr *)&thlds->spt_address; 6368 } 6369 #else 6370 addr = (struct sockaddr *)&thlds->spt_address; 6371 #endif 6372 if (stcb != NULL) { 6373 net = sctp_findnet(stcb, addr); 6374 } else { 6375 /* 6376 * We increment here since 6377 * sctp_findassociation_ep_addr() wil do a 6378 * decrement if it finds the stcb as long as 6379 * the locked tcb (last argument) is NOT a 6380 * TCB.. aka NULL. 6381 */ 6382 net = NULL; 6383 SCTP_INP_INCR_REF(inp); 6384 stcb = sctp_findassociation_ep_addr(&inp, addr, 6385 &net, NULL, NULL); 6386 if (stcb == NULL) { 6387 SCTP_INP_DECR_REF(inp); 6388 } 6389 } 6390 if ((stcb != NULL) && (net == NULL)) { 6391 #ifdef INET 6392 if (addr->sa_family == AF_INET) { 6393 6394 struct sockaddr_in *sin; 6395 6396 sin = (struct sockaddr_in *)addr; 6397 if (sin->sin_addr.s_addr != INADDR_ANY) { 6398 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6399 SCTP_TCB_UNLOCK(stcb); 6400 error = EINVAL; 6401 break; 6402 } 6403 } else 6404 #endif 6405 #ifdef INET6 6406 if (addr->sa_family == AF_INET6) { 6407 struct sockaddr_in6 *sin6; 6408 6409 sin6 = (struct sockaddr_in6 *)addr; 6410 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6411 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6412 SCTP_TCB_UNLOCK(stcb); 6413 error = EINVAL; 6414 break; 6415 } 6416 } else 6417 #endif 6418 { 6419 error = EAFNOSUPPORT; 6420 SCTP_TCB_UNLOCK(stcb); 6421 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6422 break; 6423 } 6424 } 6425 if (thlds->spt_pathcpthld != 0xffff) { 6426 if (stcb != NULL) { 6427 SCTP_TCB_UNLOCK(stcb); 6428 } 6429 error = EINVAL; 6430 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6431 break; 6432 } 6433 if (stcb != NULL) { 6434 if (net != NULL) { 6435 net->failure_threshold = thlds->spt_pathmaxrxt; 6436 net->pf_threshold = thlds->spt_pathpfthld; 6437 if (net->dest_state & SCTP_ADDR_PF) { 6438 if ((net->error_count > net->failure_threshold) || 6439 (net->error_count <= net->pf_threshold)) { 6440 net->dest_state &= ~SCTP_ADDR_PF; 6441 } 6442 } else { 6443 if ((net->error_count > net->pf_threshold) && 6444 (net->error_count <= net->failure_threshold)) { 6445 net->dest_state |= SCTP_ADDR_PF; 6446 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6447 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6448 stcb->sctp_ep, stcb, net, 6449 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6450 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6451 } 6452 } 6453 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6454 if (net->error_count > net->failure_threshold) { 6455 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6456 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6457 } 6458 } else { 6459 if (net->error_count <= net->failure_threshold) { 6460 net->dest_state |= SCTP_ADDR_REACHABLE; 6461 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6462 } 6463 } 6464 } else { 6465 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6466 net->failure_threshold = thlds->spt_pathmaxrxt; 6467 net->pf_threshold = thlds->spt_pathpfthld; 6468 if (net->dest_state & SCTP_ADDR_PF) { 6469 if ((net->error_count > net->failure_threshold) || 6470 (net->error_count <= net->pf_threshold)) { 6471 net->dest_state &= ~SCTP_ADDR_PF; 6472 } 6473 } else { 6474 if ((net->error_count > net->pf_threshold) && 6475 (net->error_count <= net->failure_threshold)) { 6476 net->dest_state |= SCTP_ADDR_PF; 6477 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6478 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6479 stcb->sctp_ep, stcb, net, 6480 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6481 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6482 } 6483 } 6484 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6485 if (net->error_count > net->failure_threshold) { 6486 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6487 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6488 } 6489 } else { 6490 if (net->error_count <= net->failure_threshold) { 6491 net->dest_state |= SCTP_ADDR_REACHABLE; 6492 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6493 } 6494 } 6495 } 6496 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6497 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6498 } 6499 SCTP_TCB_UNLOCK(stcb); 6500 } else { 6501 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6502 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6503 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6504 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6505 SCTP_INP_WLOCK(inp); 6506 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6507 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6508 SCTP_INP_WUNLOCK(inp); 6509 } else { 6510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6511 error = EINVAL; 6512 } 6513 } 6514 break; 6515 } 6516 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6517 { 6518 struct sctp_udpencaps *encaps; 6519 struct sctp_nets *net; 6520 struct sockaddr *addr; 6521 #if defined(INET) && defined(INET6) 6522 struct sockaddr_in sin_store; 6523 #endif 6524 6525 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6526 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6527 6528 #if defined(INET) && defined(INET6) 6529 if (encaps->sue_address.ss_family == AF_INET6) { 6530 struct sockaddr_in6 *sin6; 6531 6532 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6533 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6534 in6_sin6_2_sin(&sin_store, sin6); 6535 addr = (struct sockaddr *)&sin_store; 6536 } else { 6537 addr = (struct sockaddr *)&encaps->sue_address; 6538 } 6539 } else { 6540 addr = (struct sockaddr *)&encaps->sue_address; 6541 } 6542 #else 6543 addr = (struct sockaddr *)&encaps->sue_address; 6544 #endif 6545 if (stcb != NULL) { 6546 net = sctp_findnet(stcb, addr); 6547 } else { 6548 /* 6549 * We increment here since 6550 * sctp_findassociation_ep_addr() wil do a 6551 * decrement if it finds the stcb as long as 6552 * the locked tcb (last argument) is NOT a 6553 * TCB.. aka NULL. 6554 */ 6555 net = NULL; 6556 SCTP_INP_INCR_REF(inp); 6557 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6558 if (stcb == NULL) { 6559 SCTP_INP_DECR_REF(inp); 6560 } 6561 } 6562 if ((stcb != NULL) && (net == NULL)) { 6563 #ifdef INET 6564 if (addr->sa_family == AF_INET) { 6565 6566 struct sockaddr_in *sin; 6567 6568 sin = (struct sockaddr_in *)addr; 6569 if (sin->sin_addr.s_addr != INADDR_ANY) { 6570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6571 SCTP_TCB_UNLOCK(stcb); 6572 error = EINVAL; 6573 break; 6574 } 6575 } else 6576 #endif 6577 #ifdef INET6 6578 if (addr->sa_family == AF_INET6) { 6579 struct sockaddr_in6 *sin6; 6580 6581 sin6 = (struct sockaddr_in6 *)addr; 6582 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6583 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6584 SCTP_TCB_UNLOCK(stcb); 6585 error = EINVAL; 6586 break; 6587 } 6588 } else 6589 #endif 6590 { 6591 error = EAFNOSUPPORT; 6592 SCTP_TCB_UNLOCK(stcb); 6593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6594 break; 6595 } 6596 } 6597 6598 if (stcb != NULL) { 6599 if (net != NULL) { 6600 net->port = encaps->sue_port; 6601 } else { 6602 stcb->asoc.port = encaps->sue_port; 6603 } 6604 SCTP_TCB_UNLOCK(stcb); 6605 } else { 6606 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6607 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6608 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6609 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6610 SCTP_INP_WLOCK(inp); 6611 inp->sctp_ep.port = encaps->sue_port; 6612 SCTP_INP_WUNLOCK(inp); 6613 } else { 6614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6615 error = EINVAL; 6616 } 6617 } 6618 break; 6619 } 6620 case SCTP_ECN_SUPPORTED: 6621 { 6622 struct sctp_assoc_value *av; 6623 6624 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6625 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6626 6627 if (stcb) { 6628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6629 error = EINVAL; 6630 SCTP_TCB_UNLOCK(stcb); 6631 } else { 6632 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6633 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6634 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6635 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6636 SCTP_INP_WLOCK(inp); 6637 if (av->assoc_value == 0) { 6638 inp->ecn_supported = 0; 6639 } else { 6640 inp->ecn_supported = 1; 6641 } 6642 SCTP_INP_WUNLOCK(inp); 6643 } else { 6644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6645 error = EINVAL; 6646 } 6647 } 6648 break; 6649 } 6650 case SCTP_PR_SUPPORTED: 6651 { 6652 struct sctp_assoc_value *av; 6653 6654 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6655 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6656 6657 if (stcb) { 6658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6659 error = EINVAL; 6660 SCTP_TCB_UNLOCK(stcb); 6661 } else { 6662 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6663 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6664 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6665 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6666 SCTP_INP_WLOCK(inp); 6667 if (av->assoc_value == 0) { 6668 inp->prsctp_supported = 0; 6669 } else { 6670 inp->prsctp_supported = 1; 6671 } 6672 SCTP_INP_WUNLOCK(inp); 6673 } else { 6674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6675 error = EINVAL; 6676 } 6677 } 6678 break; 6679 } 6680 case SCTP_AUTH_SUPPORTED: 6681 { 6682 struct sctp_assoc_value *av; 6683 6684 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6685 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6686 6687 if (stcb) { 6688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6689 error = EINVAL; 6690 SCTP_TCB_UNLOCK(stcb); 6691 } else { 6692 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6693 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6694 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6695 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6696 if ((av->assoc_value == 0) && 6697 (inp->asconf_supported == 1)) { 6698 /* 6699 * AUTH is required for 6700 * ASCONF 6701 */ 6702 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6703 error = EINVAL; 6704 } else { 6705 SCTP_INP_WLOCK(inp); 6706 if (av->assoc_value == 0) { 6707 inp->auth_supported = 0; 6708 } else { 6709 inp->auth_supported = 1; 6710 } 6711 SCTP_INP_WUNLOCK(inp); 6712 } 6713 } else { 6714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6715 error = EINVAL; 6716 } 6717 } 6718 break; 6719 } 6720 case SCTP_ASCONF_SUPPORTED: 6721 { 6722 struct sctp_assoc_value *av; 6723 6724 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6725 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6726 6727 if (stcb) { 6728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6729 error = EINVAL; 6730 SCTP_TCB_UNLOCK(stcb); 6731 } else { 6732 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6733 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6734 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6735 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6736 if ((av->assoc_value != 0) && 6737 (inp->auth_supported == 0)) { 6738 /* 6739 * AUTH is required for 6740 * ASCONF 6741 */ 6742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6743 error = EINVAL; 6744 } else { 6745 SCTP_INP_WLOCK(inp); 6746 if (av->assoc_value == 0) { 6747 inp->asconf_supported = 0; 6748 sctp_auth_delete_chunk(SCTP_ASCONF, 6749 inp->sctp_ep.local_auth_chunks); 6750 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6751 inp->sctp_ep.local_auth_chunks); 6752 } else { 6753 inp->asconf_supported = 1; 6754 sctp_auth_add_chunk(SCTP_ASCONF, 6755 inp->sctp_ep.local_auth_chunks); 6756 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6757 inp->sctp_ep.local_auth_chunks); 6758 } 6759 SCTP_INP_WUNLOCK(inp); 6760 } 6761 } else { 6762 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6763 error = EINVAL; 6764 } 6765 } 6766 break; 6767 } 6768 case SCTP_RECONFIG_SUPPORTED: 6769 { 6770 struct sctp_assoc_value *av; 6771 6772 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6773 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6774 6775 if (stcb) { 6776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6777 error = EINVAL; 6778 SCTP_TCB_UNLOCK(stcb); 6779 } else { 6780 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6781 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6782 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6783 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6784 SCTP_INP_WLOCK(inp); 6785 if (av->assoc_value == 0) { 6786 inp->reconfig_supported = 0; 6787 } else { 6788 inp->reconfig_supported = 1; 6789 } 6790 SCTP_INP_WUNLOCK(inp); 6791 } else { 6792 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6793 error = EINVAL; 6794 } 6795 } 6796 break; 6797 } 6798 case SCTP_NRSACK_SUPPORTED: 6799 { 6800 struct sctp_assoc_value *av; 6801 6802 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6803 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6804 6805 if (stcb) { 6806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6807 error = EINVAL; 6808 SCTP_TCB_UNLOCK(stcb); 6809 } else { 6810 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6811 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6812 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6813 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6814 SCTP_INP_WLOCK(inp); 6815 if (av->assoc_value == 0) { 6816 inp->nrsack_supported = 0; 6817 } else { 6818 inp->nrsack_supported = 1; 6819 } 6820 SCTP_INP_WUNLOCK(inp); 6821 } else { 6822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6823 error = EINVAL; 6824 } 6825 } 6826 break; 6827 } 6828 case SCTP_PKTDROP_SUPPORTED: 6829 { 6830 struct sctp_assoc_value *av; 6831 6832 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6833 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6834 6835 if (stcb) { 6836 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6837 error = EINVAL; 6838 SCTP_TCB_UNLOCK(stcb); 6839 } else { 6840 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6841 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6842 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6843 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6844 SCTP_INP_WLOCK(inp); 6845 if (av->assoc_value == 0) { 6846 inp->pktdrop_supported = 0; 6847 } else { 6848 inp->pktdrop_supported = 1; 6849 } 6850 SCTP_INP_WUNLOCK(inp); 6851 } else { 6852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6853 error = EINVAL; 6854 } 6855 } 6856 break; 6857 } 6858 case SCTP_MAX_CWND: 6859 { 6860 struct sctp_assoc_value *av; 6861 struct sctp_nets *net; 6862 6863 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6864 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6865 6866 if (stcb) { 6867 stcb->asoc.max_cwnd = av->assoc_value; 6868 if (stcb->asoc.max_cwnd > 0) { 6869 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6870 if ((net->cwnd > stcb->asoc.max_cwnd) && 6871 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6872 net->cwnd = stcb->asoc.max_cwnd; 6873 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6874 net->cwnd = net->mtu - sizeof(struct sctphdr); 6875 } 6876 } 6877 } 6878 } 6879 SCTP_TCB_UNLOCK(stcb); 6880 } else { 6881 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6882 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6883 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6884 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6885 SCTP_INP_WLOCK(inp); 6886 inp->max_cwnd = av->assoc_value; 6887 SCTP_INP_WUNLOCK(inp); 6888 } else { 6889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6890 error = EINVAL; 6891 } 6892 } 6893 break; 6894 } 6895 default: 6896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6897 error = ENOPROTOOPT; 6898 break; 6899 } /* end switch (opt) */ 6900 return (error); 6901 } 6902 6903 int 6904 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6905 { 6906 struct epoch_tracker et; 6907 struct sctp_inpcb *inp; 6908 void *optval = NULL; 6909 void *p; 6910 size_t optsize = 0; 6911 int error = 0; 6912 6913 if ((sopt->sopt_level == SOL_SOCKET) && 6914 (sopt->sopt_name == SO_SETFIB)) { 6915 inp = (struct sctp_inpcb *)so->so_pcb; 6916 if (inp == NULL) { 6917 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6918 return (EINVAL); 6919 } 6920 SCTP_INP_WLOCK(inp); 6921 inp->fibnum = so->so_fibnum; 6922 SCTP_INP_WUNLOCK(inp); 6923 return (0); 6924 } 6925 if (sopt->sopt_level != IPPROTO_SCTP) { 6926 /* wrong proto level... send back up to IP */ 6927 #ifdef INET6 6928 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6929 error = ip6_ctloutput(so, sopt); 6930 #endif /* INET6 */ 6931 #if defined(INET) && defined(INET6) 6932 else 6933 #endif 6934 #ifdef INET 6935 error = ip_ctloutput(so, sopt); 6936 #endif 6937 return (error); 6938 } 6939 optsize = sopt->sopt_valsize; 6940 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6941 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6942 return (ENOBUFS); 6943 } 6944 if (optsize) { 6945 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6946 if (optval == NULL) { 6947 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6948 return (ENOBUFS); 6949 } 6950 error = sooptcopyin(sopt, optval, optsize, optsize); 6951 if (error) { 6952 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6953 goto out; 6954 } 6955 } 6956 p = (void *)sopt->sopt_td; 6957 if (sopt->sopt_dir == SOPT_SET) { 6958 NET_EPOCH_ENTER(et); 6959 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6960 NET_EPOCH_EXIT(et); 6961 } else if (sopt->sopt_dir == SOPT_GET) { 6962 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6963 } else { 6964 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6965 error = EINVAL; 6966 } 6967 if ((error == 0) && (optval != NULL)) { 6968 error = sooptcopyout(sopt, optval, optsize); 6969 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6970 } else if (optval != NULL) { 6971 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6972 } 6973 out: 6974 return (error); 6975 } 6976 6977 #ifdef INET 6978 static int 6979 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6980 { 6981 struct epoch_tracker et; 6982 int error = 0; 6983 int create_lock_on = 0; 6984 uint32_t vrf_id; 6985 struct sctp_inpcb *inp; 6986 struct sctp_tcb *stcb = NULL; 6987 6988 inp = (struct sctp_inpcb *)so->so_pcb; 6989 if (inp == NULL) { 6990 /* I made the same as TCP since we are not setup? */ 6991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6992 return (ECONNRESET); 6993 } 6994 if (addr == NULL) { 6995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6996 return EINVAL; 6997 } 6998 6999 switch (addr->sa_family) { 7000 #ifdef INET6 7001 case AF_INET6: 7002 { 7003 struct sockaddr_in6 *sin6; 7004 7005 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 7006 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7007 return (EINVAL); 7008 } 7009 sin6 = (struct sockaddr_in6 *)addr; 7010 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 7011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7012 return (error); 7013 } 7014 break; 7015 } 7016 #endif 7017 #ifdef INET 7018 case AF_INET: 7019 { 7020 struct sockaddr_in *sin; 7021 7022 if (addr->sa_len != sizeof(struct sockaddr_in)) { 7023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7024 return (EINVAL); 7025 } 7026 sin = (struct sockaddr_in *)addr; 7027 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 7028 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7029 return (error); 7030 } 7031 break; 7032 } 7033 #endif 7034 default: 7035 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 7036 return (EAFNOSUPPORT); 7037 } 7038 SCTP_INP_INCR_REF(inp); 7039 SCTP_ASOC_CREATE_LOCK(inp); 7040 create_lock_on = 1; 7041 NET_EPOCH_ENTER(et); 7042 7043 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 7044 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 7045 /* Should I really unlock ? */ 7046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 7047 error = EFAULT; 7048 goto out_now; 7049 } 7050 #ifdef INET6 7051 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 7052 (addr->sa_family == AF_INET6)) { 7053 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7054 error = EINVAL; 7055 goto out_now; 7056 } 7057 #endif 7058 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 7059 SCTP_PCB_FLAGS_UNBOUND) { 7060 /* Bind a ephemeral port */ 7061 error = sctp_inpcb_bind(so, NULL, NULL, p); 7062 if (error) { 7063 goto out_now; 7064 } 7065 } 7066 /* Now do we connect? */ 7067 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7068 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7070 error = EINVAL; 7071 goto out_now; 7072 } 7073 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7074 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7075 /* We are already connected AND the TCP model */ 7076 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7077 error = EADDRINUSE; 7078 goto out_now; 7079 } 7080 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7081 SCTP_INP_RLOCK(inp); 7082 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7083 SCTP_INP_RUNLOCK(inp); 7084 } else { 7085 /* 7086 * We increment here since sctp_findassociation_ep_addr() 7087 * will do a decrement if it finds the stcb as long as the 7088 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7089 */ 7090 SCTP_INP_INCR_REF(inp); 7091 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7092 if (stcb == NULL) { 7093 SCTP_INP_DECR_REF(inp); 7094 } else { 7095 SCTP_TCB_UNLOCK(stcb); 7096 } 7097 } 7098 if (stcb != NULL) { 7099 /* Already have or am bring up an association */ 7100 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7101 error = EALREADY; 7102 goto out_now; 7103 } 7104 7105 vrf_id = inp->def_vrf_id; 7106 /* We are GOOD to go */ 7107 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7108 inp->sctp_ep.pre_open_stream_count, 7109 inp->sctp_ep.port, p, 7110 SCTP_INITIALIZE_AUTH_PARAMS); 7111 if (stcb == NULL) { 7112 /* Gak! no memory */ 7113 goto out_now; 7114 } 7115 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7116 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7117 /* Set the connected flag so we can queue data */ 7118 soisconnecting(so); 7119 } 7120 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7121 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7122 7123 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7124 SCTP_TCB_UNLOCK(stcb); 7125 out_now: 7126 NET_EPOCH_EXIT(et); 7127 if (create_lock_on) { 7128 SCTP_ASOC_CREATE_UNLOCK(inp); 7129 } 7130 SCTP_INP_DECR_REF(inp); 7131 return (error); 7132 } 7133 #endif 7134 7135 int 7136 sctp_listen(struct socket *so, int backlog, struct thread *p) 7137 { 7138 /* 7139 * Note this module depends on the protocol processing being called 7140 * AFTER any socket level flags and backlog are applied to the 7141 * socket. The traditional way that the socket flags are applied is 7142 * AFTER protocol processing. We have made a change to the 7143 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7144 * place if the socket API for SCTP is to work properly. 7145 */ 7146 7147 int error = 0; 7148 struct sctp_inpcb *inp; 7149 7150 inp = (struct sctp_inpcb *)so->so_pcb; 7151 if (inp == NULL) { 7152 /* I made the same as TCP since we are not setup? */ 7153 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7154 return (ECONNRESET); 7155 } 7156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7157 /* See if we have a listener */ 7158 struct sctp_inpcb *tinp; 7159 union sctp_sockstore store; 7160 7161 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7162 /* not bound all */ 7163 struct sctp_laddr *laddr; 7164 7165 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7166 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7167 switch (store.sa.sa_family) { 7168 #ifdef INET 7169 case AF_INET: 7170 store.sin.sin_port = inp->sctp_lport; 7171 break; 7172 #endif 7173 #ifdef INET6 7174 case AF_INET6: 7175 store.sin6.sin6_port = inp->sctp_lport; 7176 break; 7177 #endif 7178 default: 7179 break; 7180 } 7181 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7182 if (tinp && (tinp != inp) && 7183 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7184 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7185 (SCTP_IS_LISTENING(tinp))) { 7186 /* 7187 * we have a listener already and 7188 * its not this inp. 7189 */ 7190 SCTP_INP_DECR_REF(tinp); 7191 return (EADDRINUSE); 7192 } else if (tinp) { 7193 SCTP_INP_DECR_REF(tinp); 7194 } 7195 } 7196 } else { 7197 /* Setup a local addr bound all */ 7198 memset(&store, 0, sizeof(store)); 7199 #ifdef INET6 7200 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7201 store.sa.sa_family = AF_INET6; 7202 store.sa.sa_len = sizeof(struct sockaddr_in6); 7203 } 7204 #endif 7205 #ifdef INET 7206 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7207 store.sa.sa_family = AF_INET; 7208 store.sa.sa_len = sizeof(struct sockaddr_in); 7209 } 7210 #endif 7211 switch (store.sa.sa_family) { 7212 #ifdef INET 7213 case AF_INET: 7214 store.sin.sin_port = inp->sctp_lport; 7215 break; 7216 #endif 7217 #ifdef INET6 7218 case AF_INET6: 7219 store.sin6.sin6_port = inp->sctp_lport; 7220 break; 7221 #endif 7222 default: 7223 break; 7224 } 7225 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7226 if (tinp && (tinp != inp) && 7227 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7228 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7229 (SCTP_IS_LISTENING(tinp))) { 7230 /* 7231 * we have a listener already and its not 7232 * this inp. 7233 */ 7234 SCTP_INP_DECR_REF(tinp); 7235 return (EADDRINUSE); 7236 } else if (tinp) { 7237 SCTP_INP_DECR_REF(tinp); 7238 } 7239 } 7240 } 7241 SCTP_INP_RLOCK(inp); 7242 #ifdef SCTP_LOCK_LOGGING 7243 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7244 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7245 } 7246 #endif 7247 SOCK_LOCK(so); 7248 error = solisten_proto_check(so); 7249 SOCK_UNLOCK(so); 7250 if (error) { 7251 SCTP_INP_RUNLOCK(inp); 7252 return (error); 7253 } 7254 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7255 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7256 /* 7257 * The unlucky case - We are in the tcp pool with this guy. 7258 * - Someone else is in the main inp slot. - We must move 7259 * this guy (the listener) to the main slot - We must then 7260 * move the guy that was listener to the TCP Pool. 7261 */ 7262 if (sctp_swap_inpcb_for_listen(inp)) { 7263 SCTP_INP_RUNLOCK(inp); 7264 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7265 return (EADDRINUSE); 7266 } 7267 } 7268 7269 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7270 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7271 /* We are already connected AND the TCP model */ 7272 SCTP_INP_RUNLOCK(inp); 7273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7274 return (EADDRINUSE); 7275 } 7276 SCTP_INP_RUNLOCK(inp); 7277 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7278 /* We must do a bind. */ 7279 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7280 /* bind error, probably perm */ 7281 return (error); 7282 } 7283 } 7284 SCTP_INP_WLOCK(inp); 7285 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7286 SOCK_LOCK(so); 7287 solisten_proto(so, backlog); 7288 SOCK_UNLOCK(so); 7289 } 7290 if (backlog > 0) { 7291 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7292 } else { 7293 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7294 } 7295 SCTP_INP_WUNLOCK(inp); 7296 return (error); 7297 } 7298 7299 static int sctp_defered_wakeup_cnt = 0; 7300 7301 int 7302 sctp_accept(struct socket *so, struct sockaddr **addr) 7303 { 7304 struct sctp_tcb *stcb; 7305 struct sctp_inpcb *inp; 7306 union sctp_sockstore store; 7307 #ifdef INET6 7308 int error; 7309 #endif 7310 inp = (struct sctp_inpcb *)so->so_pcb; 7311 7312 if (inp == NULL) { 7313 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7314 return (ECONNRESET); 7315 } 7316 SCTP_INP_WLOCK(inp); 7317 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7318 SCTP_INP_WUNLOCK(inp); 7319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7320 return (EOPNOTSUPP); 7321 } 7322 if (so->so_state & SS_ISDISCONNECTED) { 7323 SCTP_INP_WUNLOCK(inp); 7324 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7325 return (ECONNABORTED); 7326 } 7327 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7328 if (stcb == NULL) { 7329 SCTP_INP_WUNLOCK(inp); 7330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7331 return (ECONNRESET); 7332 } 7333 SCTP_TCB_LOCK(stcb); 7334 store = stcb->asoc.primary_destination->ro._l_addr; 7335 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7336 /* Wake any delayed sleep action */ 7337 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7338 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7339 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7340 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7341 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7342 if (sowriteable(inp->sctp_socket)) { 7343 sowwakeup_locked(inp->sctp_socket); 7344 } else { 7345 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7346 } 7347 } 7348 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7349 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7350 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7351 if (soreadable(inp->sctp_socket)) { 7352 sctp_defered_wakeup_cnt++; 7353 sorwakeup_locked(inp->sctp_socket); 7354 } else { 7355 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7356 } 7357 } 7358 } 7359 SCTP_INP_WUNLOCK(inp); 7360 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7361 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7362 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7363 } else { 7364 SCTP_TCB_UNLOCK(stcb); 7365 } 7366 switch (store.sa.sa_family) { 7367 #ifdef INET 7368 case AF_INET: 7369 { 7370 struct sockaddr_in *sin; 7371 7372 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7373 if (sin == NULL) 7374 return (ENOMEM); 7375 sin->sin_family = AF_INET; 7376 sin->sin_len = sizeof(*sin); 7377 sin->sin_port = store.sin.sin_port; 7378 sin->sin_addr = store.sin.sin_addr; 7379 *addr = (struct sockaddr *)sin; 7380 break; 7381 } 7382 #endif 7383 #ifdef INET6 7384 case AF_INET6: 7385 { 7386 struct sockaddr_in6 *sin6; 7387 7388 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7389 if (sin6 == NULL) 7390 return (ENOMEM); 7391 sin6->sin6_family = AF_INET6; 7392 sin6->sin6_len = sizeof(*sin6); 7393 sin6->sin6_port = store.sin6.sin6_port; 7394 sin6->sin6_addr = store.sin6.sin6_addr; 7395 if ((error = sa6_recoverscope(sin6)) != 0) { 7396 SCTP_FREE_SONAME(sin6); 7397 return (error); 7398 } 7399 *addr = (struct sockaddr *)sin6; 7400 break; 7401 } 7402 #endif 7403 default: 7404 /* TSNH */ 7405 break; 7406 } 7407 return (0); 7408 } 7409 7410 #ifdef INET 7411 int 7412 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7413 { 7414 struct sockaddr_in *sin; 7415 uint32_t vrf_id; 7416 struct sctp_inpcb *inp; 7417 struct sctp_ifa *sctp_ifa; 7418 7419 /* 7420 * Do the malloc first in case it blocks. 7421 */ 7422 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7423 if (sin == NULL) 7424 return (ENOMEM); 7425 sin->sin_family = AF_INET; 7426 sin->sin_len = sizeof(*sin); 7427 inp = (struct sctp_inpcb *)so->so_pcb; 7428 if (!inp) { 7429 SCTP_FREE_SONAME(sin); 7430 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7431 return (ECONNRESET); 7432 } 7433 SCTP_INP_RLOCK(inp); 7434 sin->sin_port = inp->sctp_lport; 7435 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7436 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7437 struct sctp_tcb *stcb; 7438 struct sockaddr_in *sin_a; 7439 struct sctp_nets *net; 7440 int fnd; 7441 7442 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7443 if (stcb == NULL) { 7444 goto notConn; 7445 } 7446 fnd = 0; 7447 sin_a = NULL; 7448 SCTP_TCB_LOCK(stcb); 7449 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7450 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7451 if (sin_a == NULL) 7452 /* this will make coverity happy */ 7453 continue; 7454 7455 if (sin_a->sin_family == AF_INET) { 7456 fnd = 1; 7457 break; 7458 } 7459 } 7460 if ((!fnd) || (sin_a == NULL)) { 7461 /* punt */ 7462 SCTP_TCB_UNLOCK(stcb); 7463 goto notConn; 7464 } 7465 7466 vrf_id = inp->def_vrf_id; 7467 sctp_ifa = sctp_source_address_selection(inp, 7468 stcb, 7469 (sctp_route_t *)&net->ro, 7470 net, 0, vrf_id); 7471 if (sctp_ifa) { 7472 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7473 sctp_free_ifa(sctp_ifa); 7474 } 7475 SCTP_TCB_UNLOCK(stcb); 7476 } else { 7477 /* For the bound all case you get back 0 */ 7478 notConn: 7479 sin->sin_addr.s_addr = 0; 7480 } 7481 7482 } else { 7483 /* Take the first IPv4 address in the list */ 7484 struct sctp_laddr *laddr; 7485 int fnd = 0; 7486 7487 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7488 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7489 struct sockaddr_in *sin_a; 7490 7491 sin_a = &laddr->ifa->address.sin; 7492 sin->sin_addr = sin_a->sin_addr; 7493 fnd = 1; 7494 break; 7495 } 7496 } 7497 if (!fnd) { 7498 SCTP_FREE_SONAME(sin); 7499 SCTP_INP_RUNLOCK(inp); 7500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7501 return (ENOENT); 7502 } 7503 } 7504 SCTP_INP_RUNLOCK(inp); 7505 (*addr) = (struct sockaddr *)sin; 7506 return (0); 7507 } 7508 7509 int 7510 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7511 { 7512 struct sockaddr_in *sin; 7513 int fnd; 7514 struct sockaddr_in *sin_a; 7515 struct sctp_inpcb *inp; 7516 struct sctp_tcb *stcb; 7517 struct sctp_nets *net; 7518 7519 /* Do the malloc first in case it blocks. */ 7520 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7521 if (sin == NULL) 7522 return (ENOMEM); 7523 sin->sin_family = AF_INET; 7524 sin->sin_len = sizeof(*sin); 7525 7526 inp = (struct sctp_inpcb *)so->so_pcb; 7527 if ((inp == NULL) || 7528 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7529 /* UDP type and listeners will drop out here */ 7530 SCTP_FREE_SONAME(sin); 7531 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7532 return (ENOTCONN); 7533 } 7534 SCTP_INP_RLOCK(inp); 7535 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7536 if (stcb) { 7537 SCTP_TCB_LOCK(stcb); 7538 } 7539 SCTP_INP_RUNLOCK(inp); 7540 if (stcb == NULL) { 7541 SCTP_FREE_SONAME(sin); 7542 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7543 return (ECONNRESET); 7544 } 7545 fnd = 0; 7546 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7547 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7548 if (sin_a->sin_family == AF_INET) { 7549 fnd = 1; 7550 sin->sin_port = stcb->rport; 7551 sin->sin_addr = sin_a->sin_addr; 7552 break; 7553 } 7554 } 7555 SCTP_TCB_UNLOCK(stcb); 7556 if (!fnd) { 7557 /* No IPv4 address */ 7558 SCTP_FREE_SONAME(sin); 7559 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7560 return (ENOENT); 7561 } 7562 (*addr) = (struct sockaddr *)sin; 7563 return (0); 7564 } 7565 7566 struct pr_usrreqs sctp_usrreqs = { 7567 .pru_abort = sctp_abort, 7568 .pru_accept = sctp_accept, 7569 .pru_attach = sctp_attach, 7570 .pru_bind = sctp_bind, 7571 .pru_connect = sctp_connect, 7572 .pru_control = in_control, 7573 .pru_close = sctp_close, 7574 .pru_detach = sctp_close, 7575 .pru_sopoll = sopoll_generic, 7576 .pru_flush = sctp_flush, 7577 .pru_disconnect = sctp_disconnect, 7578 .pru_listen = sctp_listen, 7579 .pru_peeraddr = sctp_peeraddr, 7580 .pru_send = sctp_sendm, 7581 .pru_shutdown = sctp_shutdown, 7582 .pru_sockaddr = sctp_ingetaddr, 7583 .pru_sosend = sctp_sosend, 7584 .pru_soreceive = sctp_soreceive 7585 }; 7586 #endif 7587