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