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