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 SCTP_TCB_SEND_LOCK(stcb); 4072 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4073 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4074 stcb->asoc.stream_scheduling_module = av->assoc_value; 4075 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4076 SCTP_TCB_SEND_UNLOCK(stcb); 4077 SCTP_TCB_UNLOCK(stcb); 4078 } else { 4079 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4080 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4081 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4082 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4083 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4084 SCTP_INP_WLOCK(inp); 4085 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4086 SCTP_INP_WUNLOCK(inp); 4087 } 4088 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4089 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4090 (av->assoc_id == SCTP_ALL_ASSOC))) { 4091 SCTP_INP_RLOCK(inp); 4092 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4093 SCTP_TCB_LOCK(stcb); 4094 SCTP_TCB_SEND_LOCK(stcb); 4095 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4096 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4097 stcb->asoc.stream_scheduling_module = av->assoc_value; 4098 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4099 SCTP_TCB_SEND_UNLOCK(stcb); 4100 SCTP_TCB_UNLOCK(stcb); 4101 } 4102 SCTP_INP_RUNLOCK(inp); 4103 } 4104 } 4105 break; 4106 } 4107 case SCTP_SS_VALUE: 4108 { 4109 struct sctp_stream_value *av; 4110 4111 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4112 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4113 if (stcb) { 4114 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4115 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4116 av->stream_value) < 0)) { 4117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4118 error = EINVAL; 4119 } 4120 SCTP_TCB_UNLOCK(stcb); 4121 } else { 4122 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4123 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4124 SCTP_INP_RLOCK(inp); 4125 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4126 SCTP_TCB_LOCK(stcb); 4127 if (av->stream_id < stcb->asoc.streamoutcnt) { 4128 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4129 &stcb->asoc, 4130 &stcb->asoc.strmout[av->stream_id], 4131 av->stream_value); 4132 } 4133 SCTP_TCB_UNLOCK(stcb); 4134 } 4135 SCTP_INP_RUNLOCK(inp); 4136 } else { 4137 /* 4138 * Can't set stream value without 4139 * association 4140 */ 4141 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4142 error = EINVAL; 4143 } 4144 } 4145 break; 4146 } 4147 case SCTP_CLR_STAT_LOG: 4148 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4149 error = EOPNOTSUPP; 4150 break; 4151 case SCTP_CONTEXT: 4152 { 4153 struct sctp_assoc_value *av; 4154 4155 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4156 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4157 4158 if (stcb) { 4159 stcb->asoc.context = av->assoc_value; 4160 SCTP_TCB_UNLOCK(stcb); 4161 } else { 4162 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4163 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4164 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4165 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4166 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4167 SCTP_INP_WLOCK(inp); 4168 inp->sctp_context = av->assoc_value; 4169 SCTP_INP_WUNLOCK(inp); 4170 } 4171 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4172 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4173 (av->assoc_id == SCTP_ALL_ASSOC))) { 4174 SCTP_INP_RLOCK(inp); 4175 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4176 SCTP_TCB_LOCK(stcb); 4177 stcb->asoc.context = av->assoc_value; 4178 SCTP_TCB_UNLOCK(stcb); 4179 } 4180 SCTP_INP_RUNLOCK(inp); 4181 } 4182 } 4183 break; 4184 } 4185 case SCTP_VRF_ID: 4186 { 4187 uint32_t *default_vrfid; 4188 4189 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4190 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4191 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4192 error = EINVAL; 4193 break; 4194 } 4195 inp->def_vrf_id = *default_vrfid; 4196 break; 4197 } 4198 case SCTP_DEL_VRF_ID: 4199 { 4200 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4201 error = EOPNOTSUPP; 4202 break; 4203 } 4204 case SCTP_ADD_VRF_ID: 4205 { 4206 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4207 error = EOPNOTSUPP; 4208 break; 4209 } 4210 case SCTP_DELAYED_SACK: 4211 { 4212 struct sctp_sack_info *sack; 4213 4214 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4215 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4216 if (sack->sack_delay) { 4217 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4218 error = EINVAL; 4219 if (stcb != NULL) { 4220 SCTP_TCB_UNLOCK(stcb); 4221 } 4222 break; 4223 } 4224 } 4225 if (stcb) { 4226 if (sack->sack_delay) { 4227 stcb->asoc.delayed_ack = sack->sack_delay; 4228 } 4229 if (sack->sack_freq) { 4230 stcb->asoc.sack_freq = sack->sack_freq; 4231 } 4232 SCTP_TCB_UNLOCK(stcb); 4233 } else { 4234 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4235 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4236 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4237 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4238 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4239 SCTP_INP_WLOCK(inp); 4240 if (sack->sack_delay) { 4241 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4242 } 4243 if (sack->sack_freq) { 4244 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4245 } 4246 SCTP_INP_WUNLOCK(inp); 4247 } 4248 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4249 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4250 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4251 SCTP_INP_RLOCK(inp); 4252 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4253 SCTP_TCB_LOCK(stcb); 4254 if (sack->sack_delay) { 4255 stcb->asoc.delayed_ack = sack->sack_delay; 4256 } 4257 if (sack->sack_freq) { 4258 stcb->asoc.sack_freq = sack->sack_freq; 4259 } 4260 SCTP_TCB_UNLOCK(stcb); 4261 } 4262 SCTP_INP_RUNLOCK(inp); 4263 } 4264 } 4265 break; 4266 } 4267 case SCTP_AUTH_CHUNK: 4268 { 4269 struct sctp_authchunk *sauth; 4270 4271 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4272 4273 SCTP_INP_WLOCK(inp); 4274 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4276 error = EINVAL; 4277 } else { 4278 inp->auth_supported = 1; 4279 } 4280 SCTP_INP_WUNLOCK(inp); 4281 break; 4282 } 4283 case SCTP_AUTH_KEY: 4284 { 4285 struct sctp_authkey *sca; 4286 struct sctp_keyhead *shared_keys; 4287 sctp_sharedkey_t *shared_key; 4288 sctp_key_t *key = NULL; 4289 size_t size; 4290 4291 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4292 if (sca->sca_keylength == 0) { 4293 size = optsize - sizeof(struct sctp_authkey); 4294 } else { 4295 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4296 size = sca->sca_keylength; 4297 } else { 4298 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4299 error = EINVAL; 4300 break; 4301 } 4302 } 4303 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4304 4305 if (stcb) { 4306 shared_keys = &stcb->asoc.shared_keys; 4307 /* clear the cached keys for this key id */ 4308 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4309 /* 4310 * create the new shared key and 4311 * insert/replace it 4312 */ 4313 if (size > 0) { 4314 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4315 if (key == NULL) { 4316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4317 error = ENOMEM; 4318 SCTP_TCB_UNLOCK(stcb); 4319 break; 4320 } 4321 } 4322 shared_key = sctp_alloc_sharedkey(); 4323 if (shared_key == NULL) { 4324 sctp_free_key(key); 4325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4326 error = ENOMEM; 4327 SCTP_TCB_UNLOCK(stcb); 4328 break; 4329 } 4330 shared_key->key = key; 4331 shared_key->keyid = sca->sca_keynumber; 4332 error = sctp_insert_sharedkey(shared_keys, shared_key); 4333 SCTP_TCB_UNLOCK(stcb); 4334 } else { 4335 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4336 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4337 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4338 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4339 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4340 SCTP_INP_WLOCK(inp); 4341 shared_keys = &inp->sctp_ep.shared_keys; 4342 /* 4343 * clear the cached keys on all 4344 * assocs for this key id 4345 */ 4346 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4347 /* 4348 * create the new shared key and 4349 * insert/replace it 4350 */ 4351 if (size > 0) { 4352 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4353 if (key == NULL) { 4354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4355 error = ENOMEM; 4356 SCTP_INP_WUNLOCK(inp); 4357 break; 4358 } 4359 } 4360 shared_key = sctp_alloc_sharedkey(); 4361 if (shared_key == NULL) { 4362 sctp_free_key(key); 4363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4364 error = ENOMEM; 4365 SCTP_INP_WUNLOCK(inp); 4366 break; 4367 } 4368 shared_key->key = key; 4369 shared_key->keyid = sca->sca_keynumber; 4370 error = sctp_insert_sharedkey(shared_keys, shared_key); 4371 SCTP_INP_WUNLOCK(inp); 4372 } 4373 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4374 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4375 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4376 SCTP_INP_RLOCK(inp); 4377 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4378 SCTP_TCB_LOCK(stcb); 4379 shared_keys = &stcb->asoc.shared_keys; 4380 /* 4381 * clear the cached keys for 4382 * this key id 4383 */ 4384 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4385 /* 4386 * create the new shared key 4387 * and insert/replace it 4388 */ 4389 if (size > 0) { 4390 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4391 if (key == NULL) { 4392 SCTP_TCB_UNLOCK(stcb); 4393 continue; 4394 } 4395 } 4396 shared_key = sctp_alloc_sharedkey(); 4397 if (shared_key == NULL) { 4398 sctp_free_key(key); 4399 SCTP_TCB_UNLOCK(stcb); 4400 continue; 4401 } 4402 shared_key->key = key; 4403 shared_key->keyid = sca->sca_keynumber; 4404 error = sctp_insert_sharedkey(shared_keys, shared_key); 4405 SCTP_TCB_UNLOCK(stcb); 4406 } 4407 SCTP_INP_RUNLOCK(inp); 4408 } 4409 } 4410 break; 4411 } 4412 case SCTP_HMAC_IDENT: 4413 { 4414 struct sctp_hmacalgo *shmac; 4415 sctp_hmaclist_t *hmaclist; 4416 uint16_t hmacid; 4417 uint32_t i; 4418 4419 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4420 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4421 (shmac->shmac_number_of_idents > 0xffff)) { 4422 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4423 error = EINVAL; 4424 break; 4425 } 4426 4427 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4428 if (hmaclist == NULL) { 4429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4430 error = ENOMEM; 4431 break; 4432 } 4433 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4434 hmacid = shmac->shmac_idents[i]; 4435 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4436 /* invalid HMACs were found */ ; 4437 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4438 error = EINVAL; 4439 sctp_free_hmaclist(hmaclist); 4440 goto sctp_set_hmac_done; 4441 } 4442 } 4443 for (i = 0; i < hmaclist->num_algo; i++) { 4444 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4445 /* already in list */ 4446 break; 4447 } 4448 } 4449 if (i == hmaclist->num_algo) { 4450 /* not found in list */ 4451 sctp_free_hmaclist(hmaclist); 4452 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4453 error = EINVAL; 4454 break; 4455 } 4456 /* set it on the endpoint */ 4457 SCTP_INP_WLOCK(inp); 4458 if (inp->sctp_ep.local_hmacs) 4459 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4460 inp->sctp_ep.local_hmacs = hmaclist; 4461 SCTP_INP_WUNLOCK(inp); 4462 sctp_set_hmac_done: 4463 break; 4464 } 4465 case SCTP_AUTH_ACTIVE_KEY: 4466 { 4467 struct sctp_authkeyid *scact; 4468 4469 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4470 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4471 4472 /* set the active key on the right place */ 4473 if (stcb) { 4474 /* set the active key on the assoc */ 4475 if (sctp_auth_setactivekey(stcb, 4476 scact->scact_keynumber)) { 4477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4478 SCTP_FROM_SCTP_USRREQ, 4479 EINVAL); 4480 error = EINVAL; 4481 } 4482 SCTP_TCB_UNLOCK(stcb); 4483 } else { 4484 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4485 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4486 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4487 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4488 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4489 SCTP_INP_WLOCK(inp); 4490 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4492 error = EINVAL; 4493 } 4494 SCTP_INP_WUNLOCK(inp); 4495 } 4496 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4497 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4498 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4499 SCTP_INP_RLOCK(inp); 4500 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4501 SCTP_TCB_LOCK(stcb); 4502 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4503 SCTP_TCB_UNLOCK(stcb); 4504 } 4505 SCTP_INP_RUNLOCK(inp); 4506 } 4507 } 4508 break; 4509 } 4510 case SCTP_AUTH_DELETE_KEY: 4511 { 4512 struct sctp_authkeyid *scdel; 4513 4514 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4515 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4516 4517 /* delete the key from the right place */ 4518 if (stcb) { 4519 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4520 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4521 error = EINVAL; 4522 } 4523 SCTP_TCB_UNLOCK(stcb); 4524 } else { 4525 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4526 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4527 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4528 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4529 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4530 SCTP_INP_WLOCK(inp); 4531 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4532 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4533 error = EINVAL; 4534 } 4535 SCTP_INP_WUNLOCK(inp); 4536 } 4537 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4538 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4539 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4540 SCTP_INP_RLOCK(inp); 4541 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4542 SCTP_TCB_LOCK(stcb); 4543 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4544 SCTP_TCB_UNLOCK(stcb); 4545 } 4546 SCTP_INP_RUNLOCK(inp); 4547 } 4548 } 4549 break; 4550 } 4551 case SCTP_AUTH_DEACTIVATE_KEY: 4552 { 4553 struct sctp_authkeyid *keyid; 4554 4555 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4556 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4557 4558 /* deactivate the key from the right place */ 4559 if (stcb) { 4560 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4562 error = EINVAL; 4563 } 4564 SCTP_TCB_UNLOCK(stcb); 4565 } else { 4566 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4567 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4568 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4569 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4570 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4571 SCTP_INP_WLOCK(inp); 4572 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4574 error = EINVAL; 4575 } 4576 SCTP_INP_WUNLOCK(inp); 4577 } 4578 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4579 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4580 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4581 SCTP_INP_RLOCK(inp); 4582 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4583 SCTP_TCB_LOCK(stcb); 4584 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4585 SCTP_TCB_UNLOCK(stcb); 4586 } 4587 SCTP_INP_RUNLOCK(inp); 4588 } 4589 } 4590 break; 4591 } 4592 case SCTP_ENABLE_STREAM_RESET: 4593 { 4594 struct sctp_assoc_value *av; 4595 4596 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4597 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4599 error = EINVAL; 4600 break; 4601 } 4602 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4603 if (stcb) { 4604 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4605 SCTP_TCB_UNLOCK(stcb); 4606 } else { 4607 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4608 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4609 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4610 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4611 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4612 SCTP_INP_WLOCK(inp); 4613 inp->local_strreset_support = (uint8_t)av->assoc_value; 4614 SCTP_INP_WUNLOCK(inp); 4615 } 4616 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4617 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4618 (av->assoc_id == SCTP_ALL_ASSOC))) { 4619 SCTP_INP_RLOCK(inp); 4620 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4621 SCTP_TCB_LOCK(stcb); 4622 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4623 SCTP_TCB_UNLOCK(stcb); 4624 } 4625 SCTP_INP_RUNLOCK(inp); 4626 } 4627 } 4628 break; 4629 } 4630 case SCTP_RESET_STREAMS: 4631 { 4632 struct sctp_reset_streams *strrst; 4633 int i, send_out = 0; 4634 int send_in = 0; 4635 4636 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4637 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4638 if (stcb == NULL) { 4639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4640 error = ENOENT; 4641 break; 4642 } 4643 if (stcb->asoc.reconfig_supported == 0) { 4644 /* 4645 * Peer does not support the chunk type. 4646 */ 4647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4648 error = EOPNOTSUPP; 4649 SCTP_TCB_UNLOCK(stcb); 4650 break; 4651 } 4652 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4654 error = EINVAL; 4655 SCTP_TCB_UNLOCK(stcb); 4656 break; 4657 } 4658 if (sizeof(struct sctp_reset_streams) + 4659 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4660 error = EINVAL; 4661 SCTP_TCB_UNLOCK(stcb); 4662 break; 4663 } 4664 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4665 send_in = 1; 4666 if (stcb->asoc.stream_reset_outstanding) { 4667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4668 error = EALREADY; 4669 SCTP_TCB_UNLOCK(stcb); 4670 break; 4671 } 4672 } 4673 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4674 send_out = 1; 4675 } 4676 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4678 error = ENOMEM; 4679 SCTP_TCB_UNLOCK(stcb); 4680 break; 4681 } 4682 if ((send_in == 0) && (send_out == 0)) { 4683 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4684 error = EINVAL; 4685 SCTP_TCB_UNLOCK(stcb); 4686 break; 4687 } 4688 for (i = 0; i < strrst->srs_number_streams; i++) { 4689 if ((send_in) && 4690 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4692 error = EINVAL; 4693 break; 4694 } 4695 if ((send_out) && 4696 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4698 error = EINVAL; 4699 break; 4700 } 4701 } 4702 if (error) { 4703 SCTP_TCB_UNLOCK(stcb); 4704 break; 4705 } 4706 if (send_out) { 4707 int cnt; 4708 uint16_t strm; 4709 4710 if (strrst->srs_number_streams) { 4711 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4712 strm = strrst->srs_stream_list[i]; 4713 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4714 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4715 cnt++; 4716 } 4717 } 4718 } else { 4719 /* Its all */ 4720 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4721 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4722 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4723 cnt++; 4724 } 4725 } 4726 } 4727 } 4728 if (send_in) { 4729 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4730 strrst->srs_stream_list, 4731 send_in, 0, 0, 0, 0, 0); 4732 } else { 4733 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4734 } 4735 if (error == 0) { 4736 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4737 } else { 4738 /* 4739 * For outgoing streams don't report any 4740 * problems in sending the request to the 4741 * application. XXX: Double check resetting 4742 * incoming streams. 4743 */ 4744 error = 0; 4745 } 4746 SCTP_TCB_UNLOCK(stcb); 4747 break; 4748 } 4749 case SCTP_ADD_STREAMS: 4750 { 4751 struct sctp_add_streams *stradd; 4752 uint8_t addstream = 0; 4753 uint16_t add_o_strmcnt = 0; 4754 uint16_t add_i_strmcnt = 0; 4755 4756 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4757 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4758 if (stcb == NULL) { 4759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4760 error = ENOENT; 4761 break; 4762 } 4763 if (stcb->asoc.reconfig_supported == 0) { 4764 /* 4765 * Peer does not support the chunk type. 4766 */ 4767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4768 error = EOPNOTSUPP; 4769 SCTP_TCB_UNLOCK(stcb); 4770 break; 4771 } 4772 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4773 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4774 error = EINVAL; 4775 SCTP_TCB_UNLOCK(stcb); 4776 break; 4777 } 4778 if (stcb->asoc.stream_reset_outstanding) { 4779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4780 error = EALREADY; 4781 SCTP_TCB_UNLOCK(stcb); 4782 break; 4783 } 4784 if ((stradd->sas_outstrms == 0) && 4785 (stradd->sas_instrms == 0)) { 4786 error = EINVAL; 4787 goto skip_stuff; 4788 } 4789 if (stradd->sas_outstrms) { 4790 addstream = 1; 4791 /* We allocate here */ 4792 add_o_strmcnt = stradd->sas_outstrms; 4793 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4794 /* You can't have more than 64k */ 4795 error = EINVAL; 4796 goto skip_stuff; 4797 } 4798 } 4799 if (stradd->sas_instrms) { 4800 int cnt; 4801 4802 addstream |= 2; 4803 /* 4804 * We allocate inside 4805 * sctp_send_str_reset_req() 4806 */ 4807 add_i_strmcnt = stradd->sas_instrms; 4808 cnt = add_i_strmcnt; 4809 cnt += stcb->asoc.streamincnt; 4810 if (cnt > 0x0000ffff) { 4811 /* You can't have more than 64k */ 4812 error = EINVAL; 4813 goto skip_stuff; 4814 } 4815 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4816 /* More than you are allowed */ 4817 error = EINVAL; 4818 goto skip_stuff; 4819 } 4820 } 4821 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4822 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4823 skip_stuff: 4824 SCTP_TCB_UNLOCK(stcb); 4825 break; 4826 } 4827 case SCTP_RESET_ASSOC: 4828 { 4829 int i; 4830 uint32_t *value; 4831 4832 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4833 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4834 if (stcb == NULL) { 4835 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4836 error = ENOENT; 4837 break; 4838 } 4839 if (stcb->asoc.reconfig_supported == 0) { 4840 /* 4841 * Peer does not support the chunk type. 4842 */ 4843 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4844 error = EOPNOTSUPP; 4845 SCTP_TCB_UNLOCK(stcb); 4846 break; 4847 } 4848 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4850 error = EINVAL; 4851 SCTP_TCB_UNLOCK(stcb); 4852 break; 4853 } 4854 if (stcb->asoc.stream_reset_outstanding) { 4855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4856 error = EALREADY; 4857 SCTP_TCB_UNLOCK(stcb); 4858 break; 4859 } 4860 /* 4861 * Is there any data pending in the send or sent 4862 * queues? 4863 */ 4864 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4865 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4866 busy_out: 4867 error = EBUSY; 4868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4869 SCTP_TCB_UNLOCK(stcb); 4870 break; 4871 } 4872 /* Do any streams have data queued? */ 4873 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4874 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4875 goto busy_out; 4876 } 4877 } 4878 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4879 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4880 SCTP_TCB_UNLOCK(stcb); 4881 break; 4882 } 4883 case SCTP_CONNECT_X: 4884 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4886 error = EINVAL; 4887 break; 4888 } 4889 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4890 break; 4891 case SCTP_CONNECT_X_DELAYED: 4892 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4894 error = EINVAL; 4895 break; 4896 } 4897 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4898 break; 4899 case SCTP_CONNECT_X_COMPLETE: 4900 { 4901 struct sockaddr *sa; 4902 4903 /* FIXME MT: check correct? */ 4904 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4905 4906 /* find tcb */ 4907 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4908 SCTP_INP_RLOCK(inp); 4909 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4910 if (stcb) { 4911 SCTP_TCB_LOCK(stcb); 4912 } 4913 SCTP_INP_RUNLOCK(inp); 4914 } else { 4915 /* 4916 * We increment here since 4917 * sctp_findassociation_ep_addr() wil do a 4918 * decrement if it finds the stcb as long as 4919 * the locked tcb (last argument) is NOT a 4920 * TCB.. aka NULL. 4921 */ 4922 SCTP_INP_INCR_REF(inp); 4923 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4924 if (stcb == NULL) { 4925 SCTP_INP_DECR_REF(inp); 4926 } 4927 } 4928 4929 if (stcb == NULL) { 4930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4931 error = ENOENT; 4932 break; 4933 } 4934 if (stcb->asoc.delayed_connection == 1) { 4935 stcb->asoc.delayed_connection = 0; 4936 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4937 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4938 stcb->asoc.primary_destination, 4939 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4940 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4941 } else { 4942 /* 4943 * already expired or did not use delayed 4944 * connectx 4945 */ 4946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4947 error = EALREADY; 4948 } 4949 SCTP_TCB_UNLOCK(stcb); 4950 break; 4951 } 4952 case SCTP_MAX_BURST: 4953 { 4954 struct sctp_assoc_value *av; 4955 4956 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4957 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4958 4959 if (stcb) { 4960 stcb->asoc.max_burst = av->assoc_value; 4961 SCTP_TCB_UNLOCK(stcb); 4962 } else { 4963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4964 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4965 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4966 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4967 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4968 SCTP_INP_WLOCK(inp); 4969 inp->sctp_ep.max_burst = av->assoc_value; 4970 SCTP_INP_WUNLOCK(inp); 4971 } 4972 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4973 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4974 (av->assoc_id == SCTP_ALL_ASSOC))) { 4975 SCTP_INP_RLOCK(inp); 4976 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4977 SCTP_TCB_LOCK(stcb); 4978 stcb->asoc.max_burst = av->assoc_value; 4979 SCTP_TCB_UNLOCK(stcb); 4980 } 4981 SCTP_INP_RUNLOCK(inp); 4982 } 4983 } 4984 break; 4985 } 4986 case SCTP_MAXSEG: 4987 { 4988 struct sctp_assoc_value *av; 4989 4990 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4991 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4992 4993 if (stcb) { 4994 stcb->asoc.sctp_frag_point = av->assoc_value; 4995 SCTP_TCB_UNLOCK(stcb); 4996 } else { 4997 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4998 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4999 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5000 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 5001 SCTP_INP_WLOCK(inp); 5002 inp->sctp_frag_point = av->assoc_value; 5003 SCTP_INP_WUNLOCK(inp); 5004 } else { 5005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5006 error = EINVAL; 5007 } 5008 } 5009 break; 5010 } 5011 case SCTP_EVENTS: 5012 { 5013 struct sctp_event_subscribe *events; 5014 5015 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5016 5017 SCTP_INP_WLOCK(inp); 5018 if (events->sctp_data_io_event) { 5019 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5020 } else { 5021 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5022 } 5023 5024 if (events->sctp_association_event) { 5025 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5026 } else { 5027 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5028 } 5029 5030 if (events->sctp_address_event) { 5031 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5032 } else { 5033 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5034 } 5035 5036 if (events->sctp_send_failure_event) { 5037 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5038 } else { 5039 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5040 } 5041 5042 if (events->sctp_peer_error_event) { 5043 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5044 } else { 5045 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5046 } 5047 5048 if (events->sctp_shutdown_event) { 5049 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5050 } else { 5051 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5052 } 5053 5054 if (events->sctp_partial_delivery_event) { 5055 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5056 } else { 5057 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5058 } 5059 5060 if (events->sctp_adaptation_layer_event) { 5061 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5062 } else { 5063 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5064 } 5065 5066 if (events->sctp_authentication_event) { 5067 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5068 } else { 5069 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5070 } 5071 5072 if (events->sctp_sender_dry_event) { 5073 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5074 } else { 5075 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5076 } 5077 5078 if (events->sctp_stream_reset_event) { 5079 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5080 } else { 5081 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5082 } 5083 SCTP_INP_WUNLOCK(inp); 5084 5085 SCTP_INP_RLOCK(inp); 5086 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5087 SCTP_TCB_LOCK(stcb); 5088 if (events->sctp_association_event) { 5089 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5090 } else { 5091 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5092 } 5093 if (events->sctp_address_event) { 5094 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5095 } else { 5096 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5097 } 5098 if (events->sctp_send_failure_event) { 5099 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5100 } else { 5101 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5102 } 5103 if (events->sctp_peer_error_event) { 5104 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5105 } else { 5106 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5107 } 5108 if (events->sctp_shutdown_event) { 5109 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5110 } else { 5111 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5112 } 5113 if (events->sctp_partial_delivery_event) { 5114 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5115 } else { 5116 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5117 } 5118 if (events->sctp_adaptation_layer_event) { 5119 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5120 } else { 5121 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5122 } 5123 if (events->sctp_authentication_event) { 5124 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5125 } else { 5126 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5127 } 5128 if (events->sctp_sender_dry_event) { 5129 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5130 } else { 5131 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5132 } 5133 if (events->sctp_stream_reset_event) { 5134 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5135 } else { 5136 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5137 } 5138 SCTP_TCB_UNLOCK(stcb); 5139 } 5140 /* 5141 * Send up the sender dry event only for 1-to-1 5142 * style sockets. 5143 */ 5144 if (events->sctp_sender_dry_event) { 5145 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5146 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5147 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5148 if (stcb) { 5149 SCTP_TCB_LOCK(stcb); 5150 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5151 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5152 (stcb->asoc.stream_queue_cnt == 0)) { 5153 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5154 } 5155 SCTP_TCB_UNLOCK(stcb); 5156 } 5157 } 5158 } 5159 SCTP_INP_RUNLOCK(inp); 5160 break; 5161 } 5162 case SCTP_ADAPTATION_LAYER: 5163 { 5164 struct sctp_setadaptation *adap_bits; 5165 5166 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5167 SCTP_INP_WLOCK(inp); 5168 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5169 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5170 SCTP_INP_WUNLOCK(inp); 5171 break; 5172 } 5173 #ifdef SCTP_DEBUG 5174 case SCTP_SET_INITIAL_DBG_SEQ: 5175 { 5176 uint32_t *vvv; 5177 5178 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5179 SCTP_INP_WLOCK(inp); 5180 inp->sctp_ep.initial_sequence_debug = *vvv; 5181 SCTP_INP_WUNLOCK(inp); 5182 break; 5183 } 5184 #endif 5185 case SCTP_DEFAULT_SEND_PARAM: 5186 { 5187 struct sctp_sndrcvinfo *s_info; 5188 5189 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5190 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5191 5192 if (stcb) { 5193 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5194 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5195 } else { 5196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5197 error = EINVAL; 5198 } 5199 SCTP_TCB_UNLOCK(stcb); 5200 } else { 5201 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5202 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5203 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5204 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5205 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5206 SCTP_INP_WLOCK(inp); 5207 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5208 SCTP_INP_WUNLOCK(inp); 5209 } 5210 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5211 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5212 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5213 SCTP_INP_RLOCK(inp); 5214 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5215 SCTP_TCB_LOCK(stcb); 5216 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5217 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5218 } 5219 SCTP_TCB_UNLOCK(stcb); 5220 } 5221 SCTP_INP_RUNLOCK(inp); 5222 } 5223 } 5224 break; 5225 } 5226 case SCTP_PEER_ADDR_PARAMS: 5227 { 5228 struct sctp_paddrparams *paddrp; 5229 struct sctp_nets *net; 5230 struct sockaddr *addr; 5231 #if defined(INET) && defined(INET6) 5232 struct sockaddr_in sin_store; 5233 #endif 5234 5235 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5236 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5237 5238 #if defined(INET) && defined(INET6) 5239 if (paddrp->spp_address.ss_family == AF_INET6) { 5240 struct sockaddr_in6 *sin6; 5241 5242 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5243 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5244 in6_sin6_2_sin(&sin_store, sin6); 5245 addr = (struct sockaddr *)&sin_store; 5246 } else { 5247 addr = (struct sockaddr *)&paddrp->spp_address; 5248 } 5249 } else { 5250 addr = (struct sockaddr *)&paddrp->spp_address; 5251 } 5252 #else 5253 addr = (struct sockaddr *)&paddrp->spp_address; 5254 #endif 5255 if (stcb != NULL) { 5256 net = sctp_findnet(stcb, addr); 5257 } else { 5258 /* 5259 * We increment here since 5260 * sctp_findassociation_ep_addr() wil do a 5261 * decrement if it finds the stcb as long as 5262 * the locked tcb (last argument) is NOT a 5263 * TCB.. aka NULL. 5264 */ 5265 net = NULL; 5266 SCTP_INP_INCR_REF(inp); 5267 stcb = sctp_findassociation_ep_addr(&inp, addr, 5268 &net, NULL, NULL); 5269 if (stcb == NULL) { 5270 SCTP_INP_DECR_REF(inp); 5271 } 5272 } 5273 if ((stcb != NULL) && (net == NULL)) { 5274 #ifdef INET 5275 if (addr->sa_family == AF_INET) { 5276 struct sockaddr_in *sin; 5277 5278 sin = (struct sockaddr_in *)addr; 5279 if (sin->sin_addr.s_addr != INADDR_ANY) { 5280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5281 SCTP_TCB_UNLOCK(stcb); 5282 error = EINVAL; 5283 break; 5284 } 5285 } else 5286 #endif 5287 #ifdef INET6 5288 if (addr->sa_family == AF_INET6) { 5289 struct sockaddr_in6 *sin6; 5290 5291 sin6 = (struct sockaddr_in6 *)addr; 5292 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5294 SCTP_TCB_UNLOCK(stcb); 5295 error = EINVAL; 5296 break; 5297 } 5298 } else 5299 #endif 5300 { 5301 error = EAFNOSUPPORT; 5302 SCTP_TCB_UNLOCK(stcb); 5303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5304 break; 5305 } 5306 } 5307 /* sanity checks */ 5308 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5309 if (stcb) 5310 SCTP_TCB_UNLOCK(stcb); 5311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5312 return (EINVAL); 5313 } 5314 5315 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5316 if (stcb) 5317 SCTP_TCB_UNLOCK(stcb); 5318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5319 return (EINVAL); 5320 } 5321 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5322 (paddrp->spp_pathmtu > 0) && 5323 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5324 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5325 if (stcb) 5326 SCTP_TCB_UNLOCK(stcb); 5327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5328 return (EINVAL); 5329 } 5330 5331 if (stcb != NULL) { 5332 /************************TCB SPECIFIC SET ******************/ 5333 if (net != NULL) { 5334 /************************NET SPECIFIC SET ******************/ 5335 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5336 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5337 !(net->dest_state & SCTP_ADDR_NOHB)) { 5338 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5339 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5340 } 5341 net->dest_state |= SCTP_ADDR_NOHB; 5342 } 5343 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5344 if (paddrp->spp_hbinterval) { 5345 net->heart_beat_delay = paddrp->spp_hbinterval; 5346 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5347 net->heart_beat_delay = 0; 5348 } 5349 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5350 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5351 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5352 net->dest_state &= ~SCTP_ADDR_NOHB; 5353 } 5354 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5355 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5356 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5357 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5358 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5359 } 5360 } 5361 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5362 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5363 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5364 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5365 } 5366 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5367 if (paddrp->spp_pathmtu > 0) { 5368 net->mtu = paddrp->spp_pathmtu; 5369 switch (net->ro._l_addr.sa.sa_family) { 5370 #ifdef INET 5371 case AF_INET: 5372 net->mtu += SCTP_MIN_V4_OVERHEAD; 5373 break; 5374 #endif 5375 #ifdef INET6 5376 case AF_INET6: 5377 net->mtu += SCTP_MIN_OVERHEAD; 5378 break; 5379 #endif 5380 default: 5381 break; 5382 } 5383 if (net->mtu < stcb->asoc.smallest_mtu) { 5384 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5385 } 5386 } 5387 } 5388 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5389 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5390 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5391 } 5392 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5393 } 5394 if (paddrp->spp_pathmaxrxt > 0) { 5395 if (net->dest_state & SCTP_ADDR_PF) { 5396 if (net->error_count > paddrp->spp_pathmaxrxt) { 5397 net->dest_state &= ~SCTP_ADDR_PF; 5398 } 5399 } else { 5400 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5401 (net->error_count > net->pf_threshold)) { 5402 net->dest_state |= SCTP_ADDR_PF; 5403 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5404 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5405 stcb->sctp_ep, stcb, net, 5406 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5407 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5408 } 5409 } 5410 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5411 if (net->error_count > paddrp->spp_pathmaxrxt) { 5412 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5413 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5414 } 5415 } else { 5416 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5417 net->dest_state |= SCTP_ADDR_REACHABLE; 5418 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5419 } 5420 } 5421 net->failure_threshold = paddrp->spp_pathmaxrxt; 5422 } 5423 if (paddrp->spp_flags & SPP_DSCP) { 5424 net->dscp = paddrp->spp_dscp & 0xfc; 5425 net->dscp |= 0x01; 5426 } 5427 #ifdef INET6 5428 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5429 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5430 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5431 net->flowlabel |= 0x80000000; 5432 } 5433 } 5434 #endif 5435 } else { 5436 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5437 if (paddrp->spp_pathmaxrxt > 0) { 5438 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5439 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5440 if (net->dest_state & SCTP_ADDR_PF) { 5441 if (net->error_count > paddrp->spp_pathmaxrxt) { 5442 net->dest_state &= ~SCTP_ADDR_PF; 5443 } 5444 } else { 5445 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5446 (net->error_count > net->pf_threshold)) { 5447 net->dest_state |= SCTP_ADDR_PF; 5448 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5449 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5450 stcb->sctp_ep, stcb, net, 5451 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5452 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5453 } 5454 } 5455 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5456 if (net->error_count > paddrp->spp_pathmaxrxt) { 5457 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5458 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5459 } 5460 } else { 5461 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5462 net->dest_state |= SCTP_ADDR_REACHABLE; 5463 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5464 } 5465 } 5466 net->failure_threshold = paddrp->spp_pathmaxrxt; 5467 } 5468 } 5469 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5470 if (paddrp->spp_hbinterval != 0) { 5471 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5472 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5473 stcb->asoc.heart_beat_delay = 0; 5474 } 5475 /* Turn back on the timer */ 5476 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5477 if (paddrp->spp_hbinterval != 0) { 5478 net->heart_beat_delay = paddrp->spp_hbinterval; 5479 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5480 net->heart_beat_delay = 0; 5481 } 5482 if (net->dest_state & SCTP_ADDR_NOHB) { 5483 net->dest_state &= ~SCTP_ADDR_NOHB; 5484 } 5485 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5486 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5487 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5488 } 5489 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5490 } 5491 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5492 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5493 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5494 net->dest_state |= SCTP_ADDR_NOHB; 5495 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5496 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5497 inp, stcb, net, 5498 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5499 } 5500 } 5501 } 5502 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5503 } 5504 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5505 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5506 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5507 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5508 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5509 } 5510 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5511 if (paddrp->spp_pathmtu > 0) { 5512 net->mtu = paddrp->spp_pathmtu; 5513 switch (net->ro._l_addr.sa.sa_family) { 5514 #ifdef INET 5515 case AF_INET: 5516 net->mtu += SCTP_MIN_V4_OVERHEAD; 5517 break; 5518 #endif 5519 #ifdef INET6 5520 case AF_INET6: 5521 net->mtu += SCTP_MIN_OVERHEAD; 5522 break; 5523 #endif 5524 default: 5525 break; 5526 } 5527 if (net->mtu < stcb->asoc.smallest_mtu) { 5528 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5529 } 5530 } 5531 } 5532 if (paddrp->spp_pathmtu > 0) { 5533 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5534 } 5535 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5536 } 5537 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5538 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5539 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5540 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5541 } 5542 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5543 } 5544 stcb->asoc.default_mtu = 0; 5545 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5546 } 5547 if (paddrp->spp_flags & SPP_DSCP) { 5548 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5549 net->dscp = paddrp->spp_dscp & 0xfc; 5550 net->dscp |= 0x01; 5551 } 5552 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5553 stcb->asoc.default_dscp |= 0x01; 5554 } 5555 #ifdef INET6 5556 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5557 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5558 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5559 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5560 net->flowlabel |= 0x80000000; 5561 } 5562 } 5563 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5564 stcb->asoc.default_flowlabel |= 0x80000000; 5565 } 5566 #endif 5567 } 5568 SCTP_TCB_UNLOCK(stcb); 5569 } else { 5570 /************************NO TCB, SET TO default stuff ******************/ 5571 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5572 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5573 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5574 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5575 SCTP_INP_WLOCK(inp); 5576 /* 5577 * For the TOS/FLOWLABEL stuff you 5578 * set it with the options on the 5579 * socket 5580 */ 5581 if (paddrp->spp_pathmaxrxt > 0) { 5582 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5583 } 5584 5585 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5586 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5587 else if (paddrp->spp_hbinterval != 0) { 5588 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5589 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5590 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5591 } 5592 5593 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5594 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5595 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5596 } else if (paddrp->spp_hbinterval) { 5597 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5598 } 5599 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5600 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5601 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5602 } 5603 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5604 inp->sctp_ep.default_mtu = 0; 5605 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5606 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5607 if (paddrp->spp_pathmtu > 0) { 5608 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5609 } 5610 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5611 } 5612 if (paddrp->spp_flags & SPP_DSCP) { 5613 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5614 inp->sctp_ep.default_dscp |= 0x01; 5615 } 5616 #ifdef INET6 5617 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5618 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5619 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5620 inp->sctp_ep.default_flowlabel |= 0x80000000; 5621 } 5622 } 5623 #endif 5624 SCTP_INP_WUNLOCK(inp); 5625 } else { 5626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5627 error = EINVAL; 5628 } 5629 } 5630 break; 5631 } 5632 case SCTP_RTOINFO: 5633 { 5634 struct sctp_rtoinfo *srto; 5635 uint32_t new_init, new_min, new_max; 5636 5637 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5638 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5639 5640 if (stcb) { 5641 if (srto->srto_initial) 5642 new_init = srto->srto_initial; 5643 else 5644 new_init = stcb->asoc.initial_rto; 5645 if (srto->srto_max) 5646 new_max = srto->srto_max; 5647 else 5648 new_max = stcb->asoc.maxrto; 5649 if (srto->srto_min) 5650 new_min = srto->srto_min; 5651 else 5652 new_min = stcb->asoc.minrto; 5653 if ((new_min <= new_init) && (new_init <= new_max)) { 5654 stcb->asoc.initial_rto = new_init; 5655 stcb->asoc.maxrto = new_max; 5656 stcb->asoc.minrto = new_min; 5657 } else { 5658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5659 error = EINVAL; 5660 } 5661 SCTP_TCB_UNLOCK(stcb); 5662 } else { 5663 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5664 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5665 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5666 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5667 SCTP_INP_WLOCK(inp); 5668 if (srto->srto_initial) 5669 new_init = srto->srto_initial; 5670 else 5671 new_init = inp->sctp_ep.initial_rto; 5672 if (srto->srto_max) 5673 new_max = srto->srto_max; 5674 else 5675 new_max = inp->sctp_ep.sctp_maxrto; 5676 if (srto->srto_min) 5677 new_min = srto->srto_min; 5678 else 5679 new_min = inp->sctp_ep.sctp_minrto; 5680 if ((new_min <= new_init) && (new_init <= new_max)) { 5681 inp->sctp_ep.initial_rto = new_init; 5682 inp->sctp_ep.sctp_maxrto = new_max; 5683 inp->sctp_ep.sctp_minrto = new_min; 5684 } else { 5685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5686 error = EINVAL; 5687 } 5688 SCTP_INP_WUNLOCK(inp); 5689 } else { 5690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5691 error = EINVAL; 5692 } 5693 } 5694 break; 5695 } 5696 case SCTP_ASSOCINFO: 5697 { 5698 struct sctp_assocparams *sasoc; 5699 5700 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5701 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5702 if (sasoc->sasoc_cookie_life > 0) { 5703 /* boundary check the cookie life */ 5704 if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) { 5705 sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE; 5706 } 5707 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5708 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5709 } 5710 } 5711 if (stcb) { 5712 if (sasoc->sasoc_asocmaxrxt > 0) { 5713 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5714 } 5715 if (sasoc->sasoc_cookie_life > 0) { 5716 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5717 } 5718 SCTP_TCB_UNLOCK(stcb); 5719 } else { 5720 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5721 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5722 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5723 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5724 SCTP_INP_WLOCK(inp); 5725 if (sasoc->sasoc_asocmaxrxt > 0) { 5726 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5727 } 5728 if (sasoc->sasoc_cookie_life > 0) { 5729 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5730 } 5731 SCTP_INP_WUNLOCK(inp); 5732 } else { 5733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5734 error = EINVAL; 5735 } 5736 } 5737 break; 5738 } 5739 case SCTP_INITMSG: 5740 { 5741 struct sctp_initmsg *sinit; 5742 5743 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5744 SCTP_INP_WLOCK(inp); 5745 if (sinit->sinit_num_ostreams) 5746 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5747 5748 if (sinit->sinit_max_instreams) 5749 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5750 5751 if (sinit->sinit_max_attempts) 5752 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5753 5754 if (sinit->sinit_max_init_timeo) 5755 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5756 SCTP_INP_WUNLOCK(inp); 5757 break; 5758 } 5759 case SCTP_PRIMARY_ADDR: 5760 { 5761 struct sctp_setprim *spa; 5762 struct sctp_nets *net; 5763 struct sockaddr *addr; 5764 #if defined(INET) && defined(INET6) 5765 struct sockaddr_in sin_store; 5766 #endif 5767 5768 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5769 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5770 5771 #if defined(INET) && defined(INET6) 5772 if (spa->ssp_addr.ss_family == AF_INET6) { 5773 struct sockaddr_in6 *sin6; 5774 5775 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5776 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5777 in6_sin6_2_sin(&sin_store, sin6); 5778 addr = (struct sockaddr *)&sin_store; 5779 } else { 5780 addr = (struct sockaddr *)&spa->ssp_addr; 5781 } 5782 } else { 5783 addr = (struct sockaddr *)&spa->ssp_addr; 5784 } 5785 #else 5786 addr = (struct sockaddr *)&spa->ssp_addr; 5787 #endif 5788 if (stcb != NULL) { 5789 net = sctp_findnet(stcb, addr); 5790 } else { 5791 /* 5792 * We increment here since 5793 * sctp_findassociation_ep_addr() wil do a 5794 * decrement if it finds the stcb as long as 5795 * the locked tcb (last argument) is NOT a 5796 * TCB.. aka NULL. 5797 */ 5798 net = NULL; 5799 SCTP_INP_INCR_REF(inp); 5800 stcb = sctp_findassociation_ep_addr(&inp, addr, 5801 &net, NULL, NULL); 5802 if (stcb == NULL) { 5803 SCTP_INP_DECR_REF(inp); 5804 } 5805 } 5806 5807 if ((stcb != NULL) && (net != NULL)) { 5808 if (net != stcb->asoc.primary_destination) { 5809 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5810 /* Ok we need to set it */ 5811 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5812 if ((stcb->asoc.alternate) && 5813 (!(net->dest_state & SCTP_ADDR_PF)) && 5814 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5815 sctp_free_remote_addr(stcb->asoc.alternate); 5816 stcb->asoc.alternate = NULL; 5817 } 5818 } else { 5819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5820 error = EINVAL; 5821 } 5822 } else { 5823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5824 error = EINVAL; 5825 } 5826 } 5827 } else { 5828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5829 error = EINVAL; 5830 } 5831 if (stcb != NULL) { 5832 SCTP_TCB_UNLOCK(stcb); 5833 } 5834 break; 5835 } 5836 case SCTP_SET_DYNAMIC_PRIMARY: 5837 { 5838 union sctp_sockstore *ss; 5839 5840 error = priv_check(curthread, 5841 PRIV_NETINET_RESERVEDPORT); 5842 if (error) 5843 break; 5844 5845 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5846 /* SUPER USER CHECK? */ 5847 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5848 break; 5849 } 5850 case SCTP_SET_PEER_PRIMARY_ADDR: 5851 { 5852 struct sctp_setpeerprim *sspp; 5853 struct sockaddr *addr; 5854 #if defined(INET) && defined(INET6) 5855 struct sockaddr_in sin_store; 5856 #endif 5857 5858 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5859 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5860 if (stcb != NULL) { 5861 struct sctp_ifa *ifa; 5862 5863 #if defined(INET) && defined(INET6) 5864 if (sspp->sspp_addr.ss_family == AF_INET6) { 5865 struct sockaddr_in6 *sin6; 5866 5867 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5868 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5869 in6_sin6_2_sin(&sin_store, sin6); 5870 addr = (struct sockaddr *)&sin_store; 5871 } else { 5872 addr = (struct sockaddr *)&sspp->sspp_addr; 5873 } 5874 } else { 5875 addr = (struct sockaddr *)&sspp->sspp_addr; 5876 } 5877 #else 5878 addr = (struct sockaddr *)&sspp->sspp_addr; 5879 #endif 5880 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5881 if (ifa == NULL) { 5882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5883 error = EINVAL; 5884 goto out_of_it; 5885 } 5886 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5887 /* 5888 * Must validate the ifa found is in 5889 * our ep 5890 */ 5891 struct sctp_laddr *laddr; 5892 int found = 0; 5893 5894 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5895 if (laddr->ifa == NULL) { 5896 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5897 __func__); 5898 continue; 5899 } 5900 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5901 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5902 continue; 5903 } 5904 if (laddr->ifa == ifa) { 5905 found = 1; 5906 break; 5907 } 5908 } 5909 if (!found) { 5910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5911 error = EINVAL; 5912 goto out_of_it; 5913 } 5914 } else { 5915 switch (addr->sa_family) { 5916 #ifdef INET 5917 case AF_INET: 5918 { 5919 struct sockaddr_in *sin; 5920 5921 sin = (struct sockaddr_in *)addr; 5922 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5923 &sin->sin_addr) != 0) { 5924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5925 error = EINVAL; 5926 goto out_of_it; 5927 } 5928 break; 5929 } 5930 #endif 5931 #ifdef INET6 5932 case AF_INET6: 5933 { 5934 struct sockaddr_in6 *sin6; 5935 5936 sin6 = (struct sockaddr_in6 *)addr; 5937 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5938 &sin6->sin6_addr) != 0) { 5939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5940 error = EINVAL; 5941 goto out_of_it; 5942 } 5943 break; 5944 } 5945 #endif 5946 default: 5947 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5948 error = EINVAL; 5949 goto out_of_it; 5950 } 5951 } 5952 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5954 error = EINVAL; 5955 } 5956 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5957 out_of_it: 5958 SCTP_TCB_UNLOCK(stcb); 5959 } else { 5960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5961 error = EINVAL; 5962 } 5963 break; 5964 } 5965 case SCTP_BINDX_ADD_ADDR: 5966 { 5967 struct sockaddr *sa; 5968 struct thread *td; 5969 5970 td = (struct thread *)p; 5971 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5972 #ifdef INET 5973 if (sa->sa_family == AF_INET) { 5974 if (optsize < sizeof(struct sockaddr_in)) { 5975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5976 error = EINVAL; 5977 break; 5978 } 5979 if (td != NULL && 5980 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5981 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5982 break; 5983 } 5984 } else 5985 #endif 5986 #ifdef INET6 5987 if (sa->sa_family == AF_INET6) { 5988 if (optsize < sizeof(struct sockaddr_in6)) { 5989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5990 error = EINVAL; 5991 break; 5992 } 5993 if (td != NULL && 5994 (error = prison_local_ip6(td->td_ucred, 5995 &(((struct sockaddr_in6 *)sa)->sin6_addr), 5996 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5997 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5998 break; 5999 } 6000 } else 6001 #endif 6002 { 6003 error = EAFNOSUPPORT; 6004 break; 6005 } 6006 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 6007 break; 6008 } 6009 case SCTP_BINDX_REM_ADDR: 6010 { 6011 struct sockaddr *sa; 6012 struct thread *td; 6013 6014 td = (struct thread *)p; 6015 6016 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 6017 #ifdef INET 6018 if (sa->sa_family == AF_INET) { 6019 if (optsize < sizeof(struct sockaddr_in)) { 6020 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6021 error = EINVAL; 6022 break; 6023 } 6024 if (td != NULL && 6025 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6026 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6027 break; 6028 } 6029 } else 6030 #endif 6031 #ifdef INET6 6032 if (sa->sa_family == AF_INET6) { 6033 if (optsize < sizeof(struct sockaddr_in6)) { 6034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6035 error = EINVAL; 6036 break; 6037 } 6038 if (td != NULL && 6039 (error = prison_local_ip6(td->td_ucred, 6040 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6041 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6042 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6043 break; 6044 } 6045 } else 6046 #endif 6047 { 6048 error = EAFNOSUPPORT; 6049 break; 6050 } 6051 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6052 break; 6053 } 6054 case SCTP_EVENT: 6055 { 6056 struct sctp_event *event; 6057 uint32_t event_type; 6058 6059 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6060 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6061 switch (event->se_type) { 6062 case SCTP_ASSOC_CHANGE: 6063 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6064 break; 6065 case SCTP_PEER_ADDR_CHANGE: 6066 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6067 break; 6068 case SCTP_REMOTE_ERROR: 6069 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6070 break; 6071 case SCTP_SEND_FAILED: 6072 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6073 break; 6074 case SCTP_SHUTDOWN_EVENT: 6075 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6076 break; 6077 case SCTP_ADAPTATION_INDICATION: 6078 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6079 break; 6080 case SCTP_PARTIAL_DELIVERY_EVENT: 6081 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6082 break; 6083 case SCTP_AUTHENTICATION_EVENT: 6084 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6085 break; 6086 case SCTP_STREAM_RESET_EVENT: 6087 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6088 break; 6089 case SCTP_SENDER_DRY_EVENT: 6090 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6091 break; 6092 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6093 event_type = 0; 6094 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6095 error = ENOTSUP; 6096 break; 6097 case SCTP_ASSOC_RESET_EVENT: 6098 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6099 break; 6100 case SCTP_STREAM_CHANGE_EVENT: 6101 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6102 break; 6103 case SCTP_SEND_FAILED_EVENT: 6104 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6105 break; 6106 default: 6107 event_type = 0; 6108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6109 error = EINVAL; 6110 break; 6111 } 6112 if (event_type > 0) { 6113 if (stcb) { 6114 if (event->se_on) { 6115 sctp_stcb_feature_on(inp, stcb, event_type); 6116 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6117 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6118 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6119 (stcb->asoc.stream_queue_cnt == 0)) { 6120 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6121 } 6122 } 6123 } else { 6124 sctp_stcb_feature_off(inp, stcb, event_type); 6125 } 6126 SCTP_TCB_UNLOCK(stcb); 6127 } else { 6128 /* 6129 * We don't want to send up a storm 6130 * of events, so return an error for 6131 * sender dry events 6132 */ 6133 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6134 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6135 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6136 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6137 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6138 error = ENOTSUP; 6139 break; 6140 } 6141 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6142 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6143 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6144 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6145 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6146 SCTP_INP_WLOCK(inp); 6147 if (event->se_on) { 6148 sctp_feature_on(inp, event_type); 6149 } else { 6150 sctp_feature_off(inp, event_type); 6151 } 6152 SCTP_INP_WUNLOCK(inp); 6153 } 6154 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6155 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6156 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6157 SCTP_INP_RLOCK(inp); 6158 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6159 SCTP_TCB_LOCK(stcb); 6160 if (event->se_on) { 6161 sctp_stcb_feature_on(inp, stcb, event_type); 6162 } else { 6163 sctp_stcb_feature_off(inp, stcb, event_type); 6164 } 6165 SCTP_TCB_UNLOCK(stcb); 6166 } 6167 SCTP_INP_RUNLOCK(inp); 6168 } 6169 } 6170 } else { 6171 if (stcb) { 6172 SCTP_TCB_UNLOCK(stcb); 6173 } 6174 } 6175 break; 6176 } 6177 case SCTP_RECVRCVINFO: 6178 { 6179 int *onoff; 6180 6181 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6182 SCTP_INP_WLOCK(inp); 6183 if (*onoff != 0) { 6184 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6185 } else { 6186 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6187 } 6188 SCTP_INP_WUNLOCK(inp); 6189 break; 6190 } 6191 case SCTP_RECVNXTINFO: 6192 { 6193 int *onoff; 6194 6195 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6196 SCTP_INP_WLOCK(inp); 6197 if (*onoff != 0) { 6198 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6199 } else { 6200 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6201 } 6202 SCTP_INP_WUNLOCK(inp); 6203 break; 6204 } 6205 case SCTP_DEFAULT_SNDINFO: 6206 { 6207 struct sctp_sndinfo *info; 6208 uint16_t policy; 6209 6210 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6211 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6212 6213 if (stcb) { 6214 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6215 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6216 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6217 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6218 stcb->asoc.def_send.sinfo_flags |= policy; 6219 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6220 stcb->asoc.def_send.sinfo_context = info->snd_context; 6221 } else { 6222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6223 error = EINVAL; 6224 } 6225 SCTP_TCB_UNLOCK(stcb); 6226 } else { 6227 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6228 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6229 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6230 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6231 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6232 SCTP_INP_WLOCK(inp); 6233 inp->def_send.sinfo_stream = info->snd_sid; 6234 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6235 inp->def_send.sinfo_flags = info->snd_flags; 6236 inp->def_send.sinfo_flags |= policy; 6237 inp->def_send.sinfo_ppid = info->snd_ppid; 6238 inp->def_send.sinfo_context = info->snd_context; 6239 SCTP_INP_WUNLOCK(inp); 6240 } 6241 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6242 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6243 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6244 SCTP_INP_RLOCK(inp); 6245 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6246 SCTP_TCB_LOCK(stcb); 6247 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6248 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6249 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6250 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6251 stcb->asoc.def_send.sinfo_flags |= policy; 6252 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6253 stcb->asoc.def_send.sinfo_context = info->snd_context; 6254 } 6255 SCTP_TCB_UNLOCK(stcb); 6256 } 6257 SCTP_INP_RUNLOCK(inp); 6258 } 6259 } 6260 break; 6261 } 6262 case SCTP_DEFAULT_PRINFO: 6263 { 6264 struct sctp_default_prinfo *info; 6265 6266 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6267 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6268 6269 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6270 if (stcb) { 6271 SCTP_TCB_UNLOCK(stcb); 6272 } 6273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6274 error = EINVAL; 6275 break; 6276 } 6277 if (stcb) { 6278 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6279 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6280 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6281 SCTP_TCB_UNLOCK(stcb); 6282 } else { 6283 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6284 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6285 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6286 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6287 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6288 SCTP_INP_WLOCK(inp); 6289 inp->def_send.sinfo_flags &= 0xfff0; 6290 inp->def_send.sinfo_flags |= info->pr_policy; 6291 inp->def_send.sinfo_timetolive = info->pr_value; 6292 SCTP_INP_WUNLOCK(inp); 6293 } 6294 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6295 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6296 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6297 SCTP_INP_RLOCK(inp); 6298 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6299 SCTP_TCB_LOCK(stcb); 6300 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6301 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6302 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6303 SCTP_TCB_UNLOCK(stcb); 6304 } 6305 SCTP_INP_RUNLOCK(inp); 6306 } 6307 } 6308 break; 6309 } 6310 case SCTP_PEER_ADDR_THLDS: 6311 /* Applies to the specific association */ 6312 { 6313 struct sctp_paddrthlds *thlds; 6314 struct sctp_nets *net; 6315 struct sockaddr *addr; 6316 #if defined(INET) && defined(INET6) 6317 struct sockaddr_in sin_store; 6318 #endif 6319 6320 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6321 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6322 6323 #if defined(INET) && defined(INET6) 6324 if (thlds->spt_address.ss_family == AF_INET6) { 6325 struct sockaddr_in6 *sin6; 6326 6327 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6328 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6329 in6_sin6_2_sin(&sin_store, sin6); 6330 addr = (struct sockaddr *)&sin_store; 6331 } else { 6332 addr = (struct sockaddr *)&thlds->spt_address; 6333 } 6334 } else { 6335 addr = (struct sockaddr *)&thlds->spt_address; 6336 } 6337 #else 6338 addr = (struct sockaddr *)&thlds->spt_address; 6339 #endif 6340 if (stcb != NULL) { 6341 net = sctp_findnet(stcb, addr); 6342 } else { 6343 /* 6344 * We increment here since 6345 * sctp_findassociation_ep_addr() wil do a 6346 * decrement if it finds the stcb as long as 6347 * the locked tcb (last argument) is NOT a 6348 * TCB.. aka NULL. 6349 */ 6350 net = NULL; 6351 SCTP_INP_INCR_REF(inp); 6352 stcb = sctp_findassociation_ep_addr(&inp, addr, 6353 &net, NULL, NULL); 6354 if (stcb == NULL) { 6355 SCTP_INP_DECR_REF(inp); 6356 } 6357 } 6358 if ((stcb != NULL) && (net == NULL)) { 6359 #ifdef INET 6360 if (addr->sa_family == AF_INET) { 6361 struct sockaddr_in *sin; 6362 6363 sin = (struct sockaddr_in *)addr; 6364 if (sin->sin_addr.s_addr != INADDR_ANY) { 6365 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6366 SCTP_TCB_UNLOCK(stcb); 6367 error = EINVAL; 6368 break; 6369 } 6370 } else 6371 #endif 6372 #ifdef INET6 6373 if (addr->sa_family == AF_INET6) { 6374 struct sockaddr_in6 *sin6; 6375 6376 sin6 = (struct sockaddr_in6 *)addr; 6377 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6379 SCTP_TCB_UNLOCK(stcb); 6380 error = EINVAL; 6381 break; 6382 } 6383 } else 6384 #endif 6385 { 6386 error = EAFNOSUPPORT; 6387 SCTP_TCB_UNLOCK(stcb); 6388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6389 break; 6390 } 6391 } 6392 if (thlds->spt_pathcpthld != 0xffff) { 6393 if (stcb != NULL) { 6394 SCTP_TCB_UNLOCK(stcb); 6395 } 6396 error = EINVAL; 6397 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6398 break; 6399 } 6400 if (stcb != NULL) { 6401 if (net != NULL) { 6402 net->failure_threshold = thlds->spt_pathmaxrxt; 6403 net->pf_threshold = thlds->spt_pathpfthld; 6404 if (net->dest_state & SCTP_ADDR_PF) { 6405 if ((net->error_count > net->failure_threshold) || 6406 (net->error_count <= net->pf_threshold)) { 6407 net->dest_state &= ~SCTP_ADDR_PF; 6408 } 6409 } else { 6410 if ((net->error_count > net->pf_threshold) && 6411 (net->error_count <= net->failure_threshold)) { 6412 net->dest_state |= SCTP_ADDR_PF; 6413 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6414 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6415 stcb->sctp_ep, stcb, net, 6416 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6417 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6418 } 6419 } 6420 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6421 if (net->error_count > net->failure_threshold) { 6422 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6423 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6424 } 6425 } else { 6426 if (net->error_count <= net->failure_threshold) { 6427 net->dest_state |= SCTP_ADDR_REACHABLE; 6428 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6429 } 6430 } 6431 } else { 6432 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6433 net->failure_threshold = thlds->spt_pathmaxrxt; 6434 net->pf_threshold = thlds->spt_pathpfthld; 6435 if (net->dest_state & SCTP_ADDR_PF) { 6436 if ((net->error_count > net->failure_threshold) || 6437 (net->error_count <= net->pf_threshold)) { 6438 net->dest_state &= ~SCTP_ADDR_PF; 6439 } 6440 } else { 6441 if ((net->error_count > net->pf_threshold) && 6442 (net->error_count <= net->failure_threshold)) { 6443 net->dest_state |= SCTP_ADDR_PF; 6444 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6445 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6446 stcb->sctp_ep, stcb, net, 6447 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6448 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6449 } 6450 } 6451 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6452 if (net->error_count > net->failure_threshold) { 6453 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6454 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6455 } 6456 } else { 6457 if (net->error_count <= net->failure_threshold) { 6458 net->dest_state |= SCTP_ADDR_REACHABLE; 6459 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6460 } 6461 } 6462 } 6463 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6464 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6465 } 6466 SCTP_TCB_UNLOCK(stcb); 6467 } else { 6468 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6469 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6470 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6471 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6472 SCTP_INP_WLOCK(inp); 6473 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6474 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6475 SCTP_INP_WUNLOCK(inp); 6476 } else { 6477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6478 error = EINVAL; 6479 } 6480 } 6481 break; 6482 } 6483 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6484 { 6485 struct sctp_udpencaps *encaps; 6486 struct sctp_nets *net; 6487 struct sockaddr *addr; 6488 #if defined(INET) && defined(INET6) 6489 struct sockaddr_in sin_store; 6490 #endif 6491 6492 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6493 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6494 6495 #if defined(INET) && defined(INET6) 6496 if (encaps->sue_address.ss_family == AF_INET6) { 6497 struct sockaddr_in6 *sin6; 6498 6499 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6500 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6501 in6_sin6_2_sin(&sin_store, sin6); 6502 addr = (struct sockaddr *)&sin_store; 6503 } else { 6504 addr = (struct sockaddr *)&encaps->sue_address; 6505 } 6506 } else { 6507 addr = (struct sockaddr *)&encaps->sue_address; 6508 } 6509 #else 6510 addr = (struct sockaddr *)&encaps->sue_address; 6511 #endif 6512 if (stcb != NULL) { 6513 net = sctp_findnet(stcb, addr); 6514 } else { 6515 /* 6516 * We increment here since 6517 * sctp_findassociation_ep_addr() wil do a 6518 * decrement if it finds the stcb as long as 6519 * the locked tcb (last argument) is NOT a 6520 * TCB.. aka NULL. 6521 */ 6522 net = NULL; 6523 SCTP_INP_INCR_REF(inp); 6524 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6525 if (stcb == NULL) { 6526 SCTP_INP_DECR_REF(inp); 6527 } 6528 } 6529 if ((stcb != NULL) && (net == NULL)) { 6530 #ifdef INET 6531 if (addr->sa_family == AF_INET) { 6532 struct sockaddr_in *sin; 6533 6534 sin = (struct sockaddr_in *)addr; 6535 if (sin->sin_addr.s_addr != INADDR_ANY) { 6536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6537 SCTP_TCB_UNLOCK(stcb); 6538 error = EINVAL; 6539 break; 6540 } 6541 } else 6542 #endif 6543 #ifdef INET6 6544 if (addr->sa_family == AF_INET6) { 6545 struct sockaddr_in6 *sin6; 6546 6547 sin6 = (struct sockaddr_in6 *)addr; 6548 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6550 SCTP_TCB_UNLOCK(stcb); 6551 error = EINVAL; 6552 break; 6553 } 6554 } else 6555 #endif 6556 { 6557 error = EAFNOSUPPORT; 6558 SCTP_TCB_UNLOCK(stcb); 6559 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6560 break; 6561 } 6562 } 6563 6564 if (stcb != NULL) { 6565 if (net != NULL) { 6566 net->port = encaps->sue_port; 6567 } else { 6568 stcb->asoc.port = encaps->sue_port; 6569 } 6570 SCTP_TCB_UNLOCK(stcb); 6571 } else { 6572 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6573 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6574 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6575 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6576 SCTP_INP_WLOCK(inp); 6577 inp->sctp_ep.port = encaps->sue_port; 6578 SCTP_INP_WUNLOCK(inp); 6579 } else { 6580 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6581 error = EINVAL; 6582 } 6583 } 6584 break; 6585 } 6586 case SCTP_ECN_SUPPORTED: 6587 { 6588 struct sctp_assoc_value *av; 6589 6590 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6591 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6592 6593 if (stcb) { 6594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6595 error = EINVAL; 6596 SCTP_TCB_UNLOCK(stcb); 6597 } else { 6598 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6599 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6600 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6601 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6602 SCTP_INP_WLOCK(inp); 6603 if (av->assoc_value == 0) { 6604 inp->ecn_supported = 0; 6605 } else { 6606 inp->ecn_supported = 1; 6607 } 6608 SCTP_INP_WUNLOCK(inp); 6609 } else { 6610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6611 error = EINVAL; 6612 } 6613 } 6614 break; 6615 } 6616 case SCTP_PR_SUPPORTED: 6617 { 6618 struct sctp_assoc_value *av; 6619 6620 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6621 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6622 6623 if (stcb) { 6624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6625 error = EINVAL; 6626 SCTP_TCB_UNLOCK(stcb); 6627 } else { 6628 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6629 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6630 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6631 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6632 SCTP_INP_WLOCK(inp); 6633 if (av->assoc_value == 0) { 6634 inp->prsctp_supported = 0; 6635 } else { 6636 inp->prsctp_supported = 1; 6637 } 6638 SCTP_INP_WUNLOCK(inp); 6639 } else { 6640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6641 error = EINVAL; 6642 } 6643 } 6644 break; 6645 } 6646 case SCTP_AUTH_SUPPORTED: 6647 { 6648 struct sctp_assoc_value *av; 6649 6650 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6651 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6652 6653 if (stcb) { 6654 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6655 error = EINVAL; 6656 SCTP_TCB_UNLOCK(stcb); 6657 } else { 6658 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6659 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6660 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6661 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6662 if ((av->assoc_value == 0) && 6663 (inp->asconf_supported == 1)) { 6664 /* 6665 * AUTH is required for 6666 * ASCONF 6667 */ 6668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6669 error = EINVAL; 6670 } else { 6671 SCTP_INP_WLOCK(inp); 6672 if (av->assoc_value == 0) { 6673 inp->auth_supported = 0; 6674 } else { 6675 inp->auth_supported = 1; 6676 } 6677 SCTP_INP_WUNLOCK(inp); 6678 } 6679 } else { 6680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6681 error = EINVAL; 6682 } 6683 } 6684 break; 6685 } 6686 case SCTP_ASCONF_SUPPORTED: 6687 { 6688 struct sctp_assoc_value *av; 6689 6690 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6691 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6692 6693 if (stcb) { 6694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6695 error = EINVAL; 6696 SCTP_TCB_UNLOCK(stcb); 6697 } else { 6698 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6699 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6700 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6701 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6702 if ((av->assoc_value != 0) && 6703 (inp->auth_supported == 0)) { 6704 /* 6705 * AUTH is required for 6706 * ASCONF 6707 */ 6708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6709 error = EINVAL; 6710 } else { 6711 SCTP_INP_WLOCK(inp); 6712 if (av->assoc_value == 0) { 6713 inp->asconf_supported = 0; 6714 sctp_auth_delete_chunk(SCTP_ASCONF, 6715 inp->sctp_ep.local_auth_chunks); 6716 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6717 inp->sctp_ep.local_auth_chunks); 6718 } else { 6719 inp->asconf_supported = 1; 6720 sctp_auth_add_chunk(SCTP_ASCONF, 6721 inp->sctp_ep.local_auth_chunks); 6722 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6723 inp->sctp_ep.local_auth_chunks); 6724 } 6725 SCTP_INP_WUNLOCK(inp); 6726 } 6727 } else { 6728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6729 error = EINVAL; 6730 } 6731 } 6732 break; 6733 } 6734 case SCTP_RECONFIG_SUPPORTED: 6735 { 6736 struct sctp_assoc_value *av; 6737 6738 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6739 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6740 6741 if (stcb) { 6742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6743 error = EINVAL; 6744 SCTP_TCB_UNLOCK(stcb); 6745 } else { 6746 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6747 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6748 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6749 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6750 SCTP_INP_WLOCK(inp); 6751 if (av->assoc_value == 0) { 6752 inp->reconfig_supported = 0; 6753 } else { 6754 inp->reconfig_supported = 1; 6755 } 6756 SCTP_INP_WUNLOCK(inp); 6757 } else { 6758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6759 error = EINVAL; 6760 } 6761 } 6762 break; 6763 } 6764 case SCTP_NRSACK_SUPPORTED: 6765 { 6766 struct sctp_assoc_value *av; 6767 6768 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6769 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6770 6771 if (stcb) { 6772 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6773 error = EINVAL; 6774 SCTP_TCB_UNLOCK(stcb); 6775 } else { 6776 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6777 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6778 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6779 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6780 SCTP_INP_WLOCK(inp); 6781 if (av->assoc_value == 0) { 6782 inp->nrsack_supported = 0; 6783 } else { 6784 inp->nrsack_supported = 1; 6785 } 6786 SCTP_INP_WUNLOCK(inp); 6787 } else { 6788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6789 error = EINVAL; 6790 } 6791 } 6792 break; 6793 } 6794 case SCTP_PKTDROP_SUPPORTED: 6795 { 6796 struct sctp_assoc_value *av; 6797 6798 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6799 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6800 6801 if (stcb) { 6802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6803 error = EINVAL; 6804 SCTP_TCB_UNLOCK(stcb); 6805 } else { 6806 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6807 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6808 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6809 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6810 SCTP_INP_WLOCK(inp); 6811 if (av->assoc_value == 0) { 6812 inp->pktdrop_supported = 0; 6813 } else { 6814 inp->pktdrop_supported = 1; 6815 } 6816 SCTP_INP_WUNLOCK(inp); 6817 } else { 6818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6819 error = EINVAL; 6820 } 6821 } 6822 break; 6823 } 6824 case SCTP_MAX_CWND: 6825 { 6826 struct sctp_assoc_value *av; 6827 struct sctp_nets *net; 6828 6829 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6830 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6831 6832 if (stcb) { 6833 stcb->asoc.max_cwnd = av->assoc_value; 6834 if (stcb->asoc.max_cwnd > 0) { 6835 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6836 if ((net->cwnd > stcb->asoc.max_cwnd) && 6837 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6838 net->cwnd = stcb->asoc.max_cwnd; 6839 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6840 net->cwnd = net->mtu - sizeof(struct sctphdr); 6841 } 6842 } 6843 } 6844 } 6845 SCTP_TCB_UNLOCK(stcb); 6846 } else { 6847 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6848 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6849 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6850 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6851 SCTP_INP_WLOCK(inp); 6852 inp->max_cwnd = av->assoc_value; 6853 SCTP_INP_WUNLOCK(inp); 6854 } else { 6855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6856 error = EINVAL; 6857 } 6858 } 6859 break; 6860 } 6861 default: 6862 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6863 error = ENOPROTOOPT; 6864 break; 6865 } /* end switch (opt) */ 6866 return (error); 6867 } 6868 6869 int 6870 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6871 { 6872 struct epoch_tracker et; 6873 struct sctp_inpcb *inp; 6874 void *optval = NULL; 6875 void *p; 6876 size_t optsize = 0; 6877 int error = 0; 6878 6879 if ((sopt->sopt_level == SOL_SOCKET) && 6880 (sopt->sopt_name == SO_SETFIB)) { 6881 inp = (struct sctp_inpcb *)so->so_pcb; 6882 if (inp == NULL) { 6883 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6884 return (EINVAL); 6885 } 6886 SCTP_INP_WLOCK(inp); 6887 inp->fibnum = so->so_fibnum; 6888 SCTP_INP_WUNLOCK(inp); 6889 return (0); 6890 } 6891 if (sopt->sopt_level != IPPROTO_SCTP) { 6892 /* wrong proto level... send back up to IP */ 6893 #ifdef INET6 6894 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6895 error = ip6_ctloutput(so, sopt); 6896 #endif /* INET6 */ 6897 #if defined(INET) && defined(INET6) 6898 else 6899 #endif 6900 #ifdef INET 6901 error = ip_ctloutput(so, sopt); 6902 #endif 6903 return (error); 6904 } 6905 optsize = sopt->sopt_valsize; 6906 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6907 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6908 return (ENOBUFS); 6909 } 6910 if (optsize) { 6911 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6912 if (optval == NULL) { 6913 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6914 return (ENOBUFS); 6915 } 6916 error = sooptcopyin(sopt, optval, optsize, optsize); 6917 if (error) { 6918 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6919 goto out; 6920 } 6921 } 6922 p = (void *)sopt->sopt_td; 6923 if (sopt->sopt_dir == SOPT_SET) { 6924 NET_EPOCH_ENTER(et); 6925 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6926 NET_EPOCH_EXIT(et); 6927 } else if (sopt->sopt_dir == SOPT_GET) { 6928 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6929 } else { 6930 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6931 error = EINVAL; 6932 } 6933 if ((error == 0) && (optval != NULL)) { 6934 error = sooptcopyout(sopt, optval, optsize); 6935 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6936 } else if (optval != NULL) { 6937 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6938 } 6939 out: 6940 return (error); 6941 } 6942 6943 #ifdef INET 6944 static int 6945 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6946 { 6947 struct epoch_tracker et; 6948 int error = 0; 6949 int create_lock_on = 0; 6950 uint32_t vrf_id; 6951 struct sctp_inpcb *inp; 6952 struct sctp_tcb *stcb = NULL; 6953 6954 inp = (struct sctp_inpcb *)so->so_pcb; 6955 if (inp == NULL) { 6956 /* I made the same as TCP since we are not setup? */ 6957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6958 return (ECONNRESET); 6959 } 6960 if (addr == NULL) { 6961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6962 return EINVAL; 6963 } 6964 6965 switch (addr->sa_family) { 6966 #ifdef INET6 6967 case AF_INET6: 6968 { 6969 struct sockaddr_in6 *sin6; 6970 6971 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6973 return (EINVAL); 6974 } 6975 sin6 = (struct sockaddr_in6 *)addr; 6976 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 6977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6978 return (error); 6979 } 6980 break; 6981 } 6982 #endif 6983 #ifdef INET 6984 case AF_INET: 6985 { 6986 struct sockaddr_in *sin; 6987 6988 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6990 return (EINVAL); 6991 } 6992 sin = (struct sockaddr_in *)addr; 6993 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 6994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6995 return (error); 6996 } 6997 break; 6998 } 6999 #endif 7000 default: 7001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 7002 return (EAFNOSUPPORT); 7003 } 7004 SCTP_INP_INCR_REF(inp); 7005 SCTP_ASOC_CREATE_LOCK(inp); 7006 create_lock_on = 1; 7007 NET_EPOCH_ENTER(et); 7008 7009 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 7010 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 7011 /* Should I really unlock ? */ 7012 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 7013 error = EFAULT; 7014 goto out_now; 7015 } 7016 #ifdef INET6 7017 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 7018 (addr->sa_family == AF_INET6)) { 7019 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7020 error = EINVAL; 7021 goto out_now; 7022 } 7023 #endif 7024 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 7025 SCTP_PCB_FLAGS_UNBOUND) { 7026 /* Bind a ephemeral port */ 7027 error = sctp_inpcb_bind(so, NULL, NULL, p); 7028 if (error) { 7029 goto out_now; 7030 } 7031 } 7032 /* Now do we connect? */ 7033 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7034 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7035 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7036 error = EINVAL; 7037 goto out_now; 7038 } 7039 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7040 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7041 /* We are already connected AND the TCP model */ 7042 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7043 error = EADDRINUSE; 7044 goto out_now; 7045 } 7046 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7047 SCTP_INP_RLOCK(inp); 7048 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7049 SCTP_INP_RUNLOCK(inp); 7050 } else { 7051 /* 7052 * We increment here since sctp_findassociation_ep_addr() 7053 * will do a decrement if it finds the stcb as long as the 7054 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7055 */ 7056 SCTP_INP_INCR_REF(inp); 7057 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7058 if (stcb == NULL) { 7059 SCTP_INP_DECR_REF(inp); 7060 } else { 7061 SCTP_TCB_UNLOCK(stcb); 7062 } 7063 } 7064 if (stcb != NULL) { 7065 /* Already have or am bring up an association */ 7066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7067 error = EALREADY; 7068 goto out_now; 7069 } 7070 7071 vrf_id = inp->def_vrf_id; 7072 /* We are GOOD to go */ 7073 stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id, 7074 inp->sctp_ep.pre_open_stream_count, 7075 inp->sctp_ep.port, p, 7076 SCTP_INITIALIZE_AUTH_PARAMS); 7077 if (stcb == NULL) { 7078 /* Gak! no memory */ 7079 goto out_now; 7080 } 7081 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7082 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7083 7084 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7085 SCTP_TCB_UNLOCK(stcb); 7086 out_now: 7087 NET_EPOCH_EXIT(et); 7088 if (create_lock_on) { 7089 SCTP_ASOC_CREATE_UNLOCK(inp); 7090 } 7091 SCTP_INP_DECR_REF(inp); 7092 return (error); 7093 } 7094 #endif 7095 7096 int 7097 sctp_listen(struct socket *so, int backlog, struct thread *p) 7098 { 7099 /* 7100 * Note this module depends on the protocol processing being called 7101 * AFTER any socket level flags and backlog are applied to the 7102 * socket. The traditional way that the socket flags are applied is 7103 * AFTER protocol processing. We have made a change to the 7104 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7105 * place if the socket API for SCTP is to work properly. 7106 */ 7107 7108 int error = 0; 7109 struct sctp_inpcb *inp; 7110 7111 inp = (struct sctp_inpcb *)so->so_pcb; 7112 if (inp == NULL) { 7113 /* I made the same as TCP since we are not setup? */ 7114 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7115 return (ECONNRESET); 7116 } 7117 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7118 /* See if we have a listener */ 7119 struct sctp_inpcb *tinp; 7120 union sctp_sockstore store; 7121 7122 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7123 /* not bound all */ 7124 struct sctp_laddr *laddr; 7125 7126 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7127 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7128 switch (store.sa.sa_family) { 7129 #ifdef INET 7130 case AF_INET: 7131 store.sin.sin_port = inp->sctp_lport; 7132 break; 7133 #endif 7134 #ifdef INET6 7135 case AF_INET6: 7136 store.sin6.sin6_port = inp->sctp_lport; 7137 break; 7138 #endif 7139 default: 7140 break; 7141 } 7142 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7143 if (tinp && (tinp != inp) && 7144 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7145 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7146 (SCTP_IS_LISTENING(tinp))) { 7147 /* 7148 * we have a listener already and 7149 * its not this inp. 7150 */ 7151 SCTP_INP_DECR_REF(tinp); 7152 return (EADDRINUSE); 7153 } else if (tinp) { 7154 SCTP_INP_DECR_REF(tinp); 7155 } 7156 } 7157 } else { 7158 /* Setup a local addr bound all */ 7159 memset(&store, 0, sizeof(store)); 7160 #ifdef INET6 7161 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7162 store.sa.sa_family = AF_INET6; 7163 store.sa.sa_len = sizeof(struct sockaddr_in6); 7164 } 7165 #endif 7166 #ifdef INET 7167 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7168 store.sa.sa_family = AF_INET; 7169 store.sa.sa_len = sizeof(struct sockaddr_in); 7170 } 7171 #endif 7172 switch (store.sa.sa_family) { 7173 #ifdef INET 7174 case AF_INET: 7175 store.sin.sin_port = inp->sctp_lport; 7176 break; 7177 #endif 7178 #ifdef INET6 7179 case AF_INET6: 7180 store.sin6.sin6_port = inp->sctp_lport; 7181 break; 7182 #endif 7183 default: 7184 break; 7185 } 7186 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7187 if (tinp && (tinp != inp) && 7188 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7189 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7190 (SCTP_IS_LISTENING(tinp))) { 7191 /* 7192 * we have a listener already and its not 7193 * this inp. 7194 */ 7195 SCTP_INP_DECR_REF(tinp); 7196 return (EADDRINUSE); 7197 } else if (tinp) { 7198 SCTP_INP_DECR_REF(tinp); 7199 } 7200 } 7201 } 7202 SCTP_INP_INFO_WLOCK(); 7203 SCTP_INP_WLOCK(inp); 7204 #ifdef SCTP_LOCK_LOGGING 7205 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7206 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7207 } 7208 #endif 7209 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7210 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7211 /* 7212 * The unlucky case - We are in the tcp pool with this guy. 7213 * - Someone else is in the main inp slot. - We must move 7214 * this guy (the listener) to the main slot - We must then 7215 * move the guy that was listener to the TCP Pool. 7216 */ 7217 if (sctp_swap_inpcb_for_listen(inp)) { 7218 error = EADDRINUSE; 7219 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7220 goto out; 7221 } 7222 } 7223 SOCK_LOCK(so); 7224 error = solisten_proto_check(so); 7225 if (error) { 7226 SOCK_UNLOCK(so); 7227 goto out; 7228 } 7229 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7230 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7231 SOCK_UNLOCK(so); 7232 solisten_proto_abort(so); 7233 error = EADDRINUSE; 7234 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7235 goto out; 7236 } 7237 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7238 if ((error = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) { 7239 SOCK_UNLOCK(so); 7240 solisten_proto_abort(so); 7241 /* bind error, probably perm */ 7242 goto out; 7243 } 7244 } 7245 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7246 solisten_proto(so, backlog); 7247 SOCK_UNLOCK(so); 7248 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7249 } else { 7250 solisten_proto_abort(so); 7251 SOCK_UNLOCK(so); 7252 if (backlog > 0) { 7253 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7254 } else { 7255 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7256 } 7257 } 7258 out: 7259 SCTP_INP_WUNLOCK(inp); 7260 SCTP_INP_INFO_WUNLOCK(); 7261 return (error); 7262 } 7263 7264 static int sctp_defered_wakeup_cnt = 0; 7265 7266 int 7267 sctp_accept(struct socket *so, struct sockaddr **addr) 7268 { 7269 struct sctp_tcb *stcb; 7270 struct sctp_inpcb *inp; 7271 union sctp_sockstore store; 7272 #ifdef INET6 7273 int error; 7274 #endif 7275 inp = (struct sctp_inpcb *)so->so_pcb; 7276 7277 if (inp == NULL) { 7278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7279 return (ECONNRESET); 7280 } 7281 SCTP_INP_WLOCK(inp); 7282 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7283 SCTP_INP_WUNLOCK(inp); 7284 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7285 return (EOPNOTSUPP); 7286 } 7287 if (so->so_state & SS_ISDISCONNECTED) { 7288 SCTP_INP_WUNLOCK(inp); 7289 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7290 return (ECONNABORTED); 7291 } 7292 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7293 if (stcb == NULL) { 7294 SCTP_INP_WUNLOCK(inp); 7295 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7296 return (ECONNRESET); 7297 } 7298 SCTP_TCB_LOCK(stcb); 7299 store = stcb->asoc.primary_destination->ro._l_addr; 7300 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7301 /* Wake any delayed sleep action */ 7302 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7303 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7304 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7305 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7306 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7307 if (sowriteable(inp->sctp_socket)) { 7308 sowwakeup_locked(inp->sctp_socket); 7309 } else { 7310 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7311 } 7312 } 7313 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7314 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7315 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7316 if (soreadable(inp->sctp_socket)) { 7317 sctp_defered_wakeup_cnt++; 7318 sorwakeup_locked(inp->sctp_socket); 7319 } else { 7320 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7321 } 7322 } 7323 } 7324 SCTP_INP_WUNLOCK(inp); 7325 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7326 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7327 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7328 } else { 7329 SCTP_TCB_UNLOCK(stcb); 7330 } 7331 switch (store.sa.sa_family) { 7332 #ifdef INET 7333 case AF_INET: 7334 { 7335 struct sockaddr_in *sin; 7336 7337 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7338 if (sin == NULL) 7339 return (ENOMEM); 7340 sin->sin_family = AF_INET; 7341 sin->sin_len = sizeof(*sin); 7342 sin->sin_port = store.sin.sin_port; 7343 sin->sin_addr = store.sin.sin_addr; 7344 *addr = (struct sockaddr *)sin; 7345 break; 7346 } 7347 #endif 7348 #ifdef INET6 7349 case AF_INET6: 7350 { 7351 struct sockaddr_in6 *sin6; 7352 7353 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7354 if (sin6 == NULL) 7355 return (ENOMEM); 7356 sin6->sin6_family = AF_INET6; 7357 sin6->sin6_len = sizeof(*sin6); 7358 sin6->sin6_port = store.sin6.sin6_port; 7359 sin6->sin6_addr = store.sin6.sin6_addr; 7360 if ((error = sa6_recoverscope(sin6)) != 0) { 7361 SCTP_FREE_SONAME(sin6); 7362 return (error); 7363 } 7364 *addr = (struct sockaddr *)sin6; 7365 break; 7366 } 7367 #endif 7368 default: 7369 /* TSNH */ 7370 break; 7371 } 7372 return (0); 7373 } 7374 7375 #ifdef INET 7376 int 7377 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7378 { 7379 struct sockaddr_in *sin; 7380 uint32_t vrf_id; 7381 struct sctp_inpcb *inp; 7382 struct sctp_ifa *sctp_ifa; 7383 7384 /* 7385 * Do the malloc first in case it blocks. 7386 */ 7387 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7388 if (sin == NULL) 7389 return (ENOMEM); 7390 sin->sin_family = AF_INET; 7391 sin->sin_len = sizeof(*sin); 7392 inp = (struct sctp_inpcb *)so->so_pcb; 7393 if (!inp) { 7394 SCTP_FREE_SONAME(sin); 7395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7396 return (ECONNRESET); 7397 } 7398 SCTP_INP_RLOCK(inp); 7399 sin->sin_port = inp->sctp_lport; 7400 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7401 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7402 struct sctp_tcb *stcb; 7403 struct sockaddr_in *sin_a; 7404 struct sctp_nets *net; 7405 int fnd; 7406 7407 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7408 if (stcb == NULL) { 7409 goto notConn; 7410 } 7411 fnd = 0; 7412 sin_a = NULL; 7413 SCTP_TCB_LOCK(stcb); 7414 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7415 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7416 if (sin_a == NULL) 7417 /* this will make coverity happy */ 7418 continue; 7419 7420 if (sin_a->sin_family == AF_INET) { 7421 fnd = 1; 7422 break; 7423 } 7424 } 7425 if ((!fnd) || (sin_a == NULL)) { 7426 /* punt */ 7427 SCTP_TCB_UNLOCK(stcb); 7428 goto notConn; 7429 } 7430 7431 vrf_id = inp->def_vrf_id; 7432 sctp_ifa = sctp_source_address_selection(inp, 7433 stcb, 7434 (sctp_route_t *)&net->ro, 7435 net, 0, vrf_id); 7436 if (sctp_ifa) { 7437 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7438 sctp_free_ifa(sctp_ifa); 7439 } 7440 SCTP_TCB_UNLOCK(stcb); 7441 } else { 7442 /* For the bound all case you get back 0 */ 7443 notConn: 7444 sin->sin_addr.s_addr = 0; 7445 } 7446 7447 } else { 7448 /* Take the first IPv4 address in the list */ 7449 struct sctp_laddr *laddr; 7450 int fnd = 0; 7451 7452 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7453 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7454 struct sockaddr_in *sin_a; 7455 7456 sin_a = &laddr->ifa->address.sin; 7457 sin->sin_addr = sin_a->sin_addr; 7458 fnd = 1; 7459 break; 7460 } 7461 } 7462 if (!fnd) { 7463 SCTP_FREE_SONAME(sin); 7464 SCTP_INP_RUNLOCK(inp); 7465 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7466 return (ENOENT); 7467 } 7468 } 7469 SCTP_INP_RUNLOCK(inp); 7470 (*addr) = (struct sockaddr *)sin; 7471 return (0); 7472 } 7473 7474 int 7475 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7476 { 7477 struct sockaddr_in *sin; 7478 int fnd; 7479 struct sockaddr_in *sin_a; 7480 struct sctp_inpcb *inp; 7481 struct sctp_tcb *stcb; 7482 struct sctp_nets *net; 7483 7484 /* Do the malloc first in case it blocks. */ 7485 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7486 if (sin == NULL) 7487 return (ENOMEM); 7488 sin->sin_family = AF_INET; 7489 sin->sin_len = sizeof(*sin); 7490 7491 inp = (struct sctp_inpcb *)so->so_pcb; 7492 if ((inp == NULL) || 7493 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7494 /* UDP type and listeners will drop out here */ 7495 SCTP_FREE_SONAME(sin); 7496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7497 return (ENOTCONN); 7498 } 7499 SCTP_INP_RLOCK(inp); 7500 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7501 if (stcb) { 7502 SCTP_TCB_LOCK(stcb); 7503 } 7504 SCTP_INP_RUNLOCK(inp); 7505 if (stcb == NULL) { 7506 SCTP_FREE_SONAME(sin); 7507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7508 return (ECONNRESET); 7509 } 7510 fnd = 0; 7511 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7512 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7513 if (sin_a->sin_family == AF_INET) { 7514 fnd = 1; 7515 sin->sin_port = stcb->rport; 7516 sin->sin_addr = sin_a->sin_addr; 7517 break; 7518 } 7519 } 7520 SCTP_TCB_UNLOCK(stcb); 7521 if (!fnd) { 7522 /* No IPv4 address */ 7523 SCTP_FREE_SONAME(sin); 7524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7525 return (ENOENT); 7526 } 7527 (*addr) = (struct sockaddr *)sin; 7528 return (0); 7529 } 7530 7531 struct pr_usrreqs sctp_usrreqs = { 7532 .pru_abort = sctp_abort, 7533 .pru_accept = sctp_accept, 7534 .pru_attach = sctp_attach, 7535 .pru_bind = sctp_bind, 7536 .pru_connect = sctp_connect, 7537 .pru_control = in_control, 7538 .pru_close = sctp_close, 7539 .pru_detach = sctp_close, 7540 .pru_sopoll = sopoll_generic, 7541 .pru_flush = sctp_flush, 7542 .pru_disconnect = sctp_disconnect, 7543 .pru_listen = sctp_listen, 7544 .pru_peeraddr = sctp_peeraddr, 7545 .pru_send = sctp_sendm, 7546 .pru_shutdown = sctp_shutdown, 7547 .pru_sockaddr = sctp_ingetaddr, 7548 .pru_sosend = sctp_sosend, 7549 .pru_soreceive = sctp_soreceive 7550 }; 7551 #endif 7552