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