1 /*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <netinet/sctp_os.h> 37 #include <sys/proc.h> 38 #include <netinet/sctp_pcb.h> 39 #include <netinet/sctp_header.h> 40 #include <netinet/sctp_var.h> 41 #ifdef INET6 42 #include <netinet6/sctp6_var.h> 43 #endif 44 #include <netinet/sctp_sysctl.h> 45 #include <netinet/sctp_output.h> 46 #include <netinet/sctp_uio.h> 47 #include <netinet/sctp_asconf.h> 48 #include <netinet/sctputil.h> 49 #include <netinet/sctp_indata.h> 50 #include <netinet/sctp_timer.h> 51 #include <netinet/sctp_auth.h> 52 #include <netinet/sctp_bsd_addr.h> 53 #include <netinet/udp.h> 54 55 56 57 extern const struct sctp_cc_functions sctp_cc_functions[]; 58 extern const struct sctp_ss_functions sctp_ss_functions[]; 59 60 void 61 sctp_init(void) 62 { 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 SCTP_BASE_VAR(first_time) = 0; 83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84 sctp_pcb_init(); 85 #if defined(SCTP_PACKET_LOGGING) 86 SCTP_BASE_VAR(packet_log_writers) = 0; 87 SCTP_BASE_VAR(packet_log_end) = 0; 88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89 #endif 90 } 91 92 void 93 sctp_finish(void) 94 { 95 sctp_pcb_finish(); 96 } 97 98 99 100 void 101 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 102 { 103 struct sctp_tmit_chunk *chk; 104 uint16_t overhead; 105 106 /* Adjust that too */ 107 stcb->asoc.smallest_mtu = nxtsz; 108 /* now off to subtract IP_DF flag if needed */ 109 overhead = IP_HDR_SIZE; 110 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 111 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 112 } 113 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 114 if ((chk->send_size + overhead) > nxtsz) { 115 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 116 } 117 } 118 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 119 if ((chk->send_size + overhead) > nxtsz) { 120 /* 121 * For this guy we also mark for immediate resend 122 * since we sent to big of chunk 123 */ 124 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 125 if (chk->sent < SCTP_DATAGRAM_RESEND) { 126 sctp_flight_size_decrease(chk); 127 sctp_total_flight_decrease(stcb, chk); 128 chk->sent = SCTP_DATAGRAM_RESEND; 129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 130 chk->rec.data.doing_fast_retransmit = 0; 131 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 132 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 133 chk->whoTo->flight_size, 134 chk->book_size, 135 (uint32_t) (uintptr_t) chk->whoTo, 136 chk->rec.data.TSN_seq); 137 } 138 /* Clear any time so NO RTT is being done */ 139 chk->do_rtt = 0; 140 } 141 } 142 } 143 } 144 145 #ifdef INET 146 static void 147 sctp_notify(struct sctp_inpcb *inp, 148 struct sctp_tcb *stcb, 149 struct sctp_nets *net, 150 uint8_t icmp_type, 151 uint8_t icmp_code, 152 uint16_t ip_len, 153 uint16_t next_mtu) 154 { 155 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 156 struct socket *so; 157 158 #endif 159 int timer_stopped; 160 161 if (icmp_type != ICMP_UNREACH) { 162 /* We only care about unreachable */ 163 SCTP_TCB_UNLOCK(stcb); 164 return; 165 } 166 if ((icmp_code == ICMP_UNREACH_NET) || 167 (icmp_code == ICMP_UNREACH_HOST) || 168 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 169 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 170 (icmp_code == ICMP_UNREACH_ISOLATED) || 171 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 172 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 173 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 174 175 /* 176 * Hmm reachablity problems we must examine closely. If its 177 * not reachable, we may have lost a network. Or if there is 178 * NO protocol at the other end named SCTP. well we consider 179 * it a OOTB abort. 180 */ 181 if (net->dest_state & SCTP_ADDR_REACHABLE) { 182 /* OK, that destination is NOT reachable. */ 183 net->dest_state &= ~SCTP_ADDR_REACHABLE; 184 net->dest_state &= ~SCTP_ADDR_PF; 185 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 186 stcb, 0, 187 (void *)net, SCTP_SO_NOT_LOCKED); 188 } 189 SCTP_TCB_UNLOCK(stcb); 190 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 191 (icmp_code == ICMP_UNREACH_PORT)) { 192 /* 193 * Here the peer is either playing tricks on us, including 194 * an address that belongs to someone who does not support 195 * SCTP OR was a userland implementation that shutdown and 196 * now is dead. In either case treat it like a OOTB abort 197 * with no TCB 198 */ 199 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 200 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 201 so = SCTP_INP_SO(inp); 202 atomic_add_int(&stcb->asoc.refcnt, 1); 203 SCTP_TCB_UNLOCK(stcb); 204 SCTP_SOCKET_LOCK(so, 1); 205 SCTP_TCB_LOCK(stcb); 206 atomic_subtract_int(&stcb->asoc.refcnt, 1); 207 #endif 208 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 209 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 210 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 211 SCTP_SOCKET_UNLOCK(so, 1); 212 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 213 #endif 214 /* no need to unlock here, since the TCB is gone */ 215 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 216 /* Find the next (smaller) MTU */ 217 if (next_mtu == 0) { 218 /* 219 * Old type router that does not tell us what the 220 * next MTU is. Rats we will have to guess (in a 221 * educated fashion of course). 222 */ 223 next_mtu = sctp_get_prev_mtu(ip_len); 224 } 225 /* Stop the PMTU timer. */ 226 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 227 timer_stopped = 1; 228 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 229 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 230 } else { 231 timer_stopped = 0; 232 } 233 /* Update the path MTU. */ 234 if (net->mtu > next_mtu) { 235 net->mtu = next_mtu; 236 if (net->port) { 237 net->mtu -= sizeof(struct udphdr); 238 } 239 } 240 /* Update the association MTU */ 241 if (stcb->asoc.smallest_mtu > next_mtu) { 242 sctp_pathmtu_adjustment(stcb, next_mtu); 243 } 244 /* Finally, start the PMTU timer if it was running before. */ 245 if (timer_stopped) { 246 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 247 } 248 SCTP_TCB_UNLOCK(stcb); 249 } else { 250 SCTP_TCB_UNLOCK(stcb); 251 } 252 } 253 254 void 255 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 256 { 257 struct ip *outer_ip, *inner_ip; 258 struct sctphdr *sh; 259 struct icmp *icmp; 260 struct sctp_inpcb *inp; 261 struct sctp_tcb *stcb; 262 struct sctp_nets *net; 263 struct sctp_init_chunk *ch; 264 struct sockaddr_in to, from; 265 266 if (sa->sa_family != AF_INET || 267 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 268 return; 269 } 270 if (PRC_IS_REDIRECT(cmd)) { 271 vip = NULL; 272 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 273 return; 274 } 275 if (vip != NULL) { 276 inner_ip = (struct ip *)vip; 277 icmp = (struct icmp *)((caddr_t)inner_ip - 278 (sizeof(struct icmp) - sizeof(struct ip))); 279 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 280 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 281 bzero(&to, sizeof(to)); 282 bzero(&from, sizeof(from)); 283 from.sin_family = to.sin_family = AF_INET; 284 from.sin_len = to.sin_len = sizeof(to); 285 from.sin_port = sh->src_port; 286 from.sin_addr = inner_ip->ip_src; 287 to.sin_port = sh->dest_port; 288 to.sin_addr = inner_ip->ip_dst; 289 /* 290 * 'to' holds the dest of the packet that failed to be sent. 291 * 'from' holds our local endpoint address. Thus we reverse 292 * the to and the from in the lookup. 293 */ 294 inp = NULL; 295 net = NULL; 296 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to, 297 (struct sockaddr *)&from, 298 &inp, &net, 1, 299 SCTP_DEFAULT_VRFID); 300 if ((stcb != NULL) && 301 (net != NULL) && 302 (inp != NULL) && 303 (inp->sctp_socket != NULL)) { 304 /* Check the verification tag */ 305 if (ntohl(sh->v_tag) != 0) { 306 /* 307 * This must be the verification tag used 308 * for sending out packets. We don't 309 * consider packets reflecting the 310 * verification tag. 311 */ 312 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 313 SCTP_TCB_UNLOCK(stcb); 314 return; 315 } 316 } else { 317 if (ntohs(outer_ip->ip_len) >= 318 sizeof(struct ip) + 319 8 + (inner_ip->ip_hl << 2) + 20) { 320 /* 321 * In this case we can check if we 322 * got an INIT chunk and if the 323 * initiate tag matches. 324 */ 325 ch = (struct sctp_init_chunk *)(sh + 1); 326 if ((ch->ch.chunk_type != SCTP_INITIATION) || 327 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 328 SCTP_TCB_UNLOCK(stcb); 329 return; 330 } 331 } else { 332 SCTP_TCB_UNLOCK(stcb); 333 return; 334 } 335 } 336 sctp_notify(inp, stcb, net, 337 icmp->icmp_type, 338 icmp->icmp_code, 339 ntohs(inner_ip->ip_len), 340 ntohs(icmp->icmp_nextmtu)); 341 } else { 342 if ((stcb == NULL) && (inp != NULL)) { 343 /* reduce ref-count */ 344 SCTP_INP_WLOCK(inp); 345 SCTP_INP_DECR_REF(inp); 346 SCTP_INP_WUNLOCK(inp); 347 } 348 if (stcb) { 349 SCTP_TCB_UNLOCK(stcb); 350 } 351 } 352 } 353 return; 354 } 355 356 #endif 357 358 static int 359 sctp_getcred(SYSCTL_HANDLER_ARGS) 360 { 361 struct xucred xuc; 362 struct sockaddr_in addrs[2]; 363 struct sctp_inpcb *inp; 364 struct sctp_nets *net; 365 struct sctp_tcb *stcb; 366 int error; 367 uint32_t vrf_id; 368 369 /* FIX, for non-bsd is this right? */ 370 vrf_id = SCTP_DEFAULT_VRFID; 371 372 error = priv_check(req->td, PRIV_NETINET_GETCRED); 373 374 if (error) 375 return (error); 376 377 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 378 if (error) 379 return (error); 380 381 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 382 sintosa(&addrs[0]), 383 &inp, &net, 1, vrf_id); 384 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 385 if ((inp != NULL) && (stcb == NULL)) { 386 /* reduce ref-count */ 387 SCTP_INP_WLOCK(inp); 388 SCTP_INP_DECR_REF(inp); 389 goto cred_can_cont; 390 } 391 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 392 error = ENOENT; 393 goto out; 394 } 395 SCTP_TCB_UNLOCK(stcb); 396 /* 397 * We use the write lock here, only since in the error leg we need 398 * it. If we used RLOCK, then we would have to 399 * wlock/decr/unlock/rlock. Which in theory could create a hole. 400 * Better to use higher wlock. 401 */ 402 SCTP_INP_WLOCK(inp); 403 cred_can_cont: 404 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 405 if (error) { 406 SCTP_INP_WUNLOCK(inp); 407 goto out; 408 } 409 cru2x(inp->sctp_socket->so_cred, &xuc); 410 SCTP_INP_WUNLOCK(inp); 411 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 412 out: 413 return (error); 414 } 415 416 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 417 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 418 419 420 #ifdef INET 421 static void 422 sctp_abort(struct socket *so) 423 { 424 struct sctp_inpcb *inp; 425 uint32_t flags; 426 427 inp = (struct sctp_inpcb *)so->so_pcb; 428 if (inp == NULL) { 429 return; 430 } 431 sctp_must_try_again: 432 flags = inp->sctp_flags; 433 #ifdef SCTP_LOG_CLOSING 434 sctp_log_closing(inp, NULL, 17); 435 #endif 436 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 437 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 438 #ifdef SCTP_LOG_CLOSING 439 sctp_log_closing(inp, NULL, 16); 440 #endif 441 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 442 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 443 SOCK_LOCK(so); 444 SCTP_SB_CLEAR(so->so_snd); 445 /* 446 * same for the rcv ones, they are only here for the 447 * accounting/select. 448 */ 449 SCTP_SB_CLEAR(so->so_rcv); 450 451 /* Now null out the reference, we are completely detached. */ 452 so->so_pcb = NULL; 453 SOCK_UNLOCK(so); 454 } else { 455 flags = inp->sctp_flags; 456 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 457 goto sctp_must_try_again; 458 } 459 } 460 return; 461 } 462 463 static int 464 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 465 { 466 struct sctp_inpcb *inp; 467 struct inpcb *ip_inp; 468 int error; 469 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 470 471 inp = (struct sctp_inpcb *)so->so_pcb; 472 if (inp != NULL) { 473 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 474 return (EINVAL); 475 } 476 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 477 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 478 if (error) { 479 return (error); 480 } 481 } 482 error = sctp_inpcb_alloc(so, vrf_id); 483 if (error) { 484 return (error); 485 } 486 inp = (struct sctp_inpcb *)so->so_pcb; 487 SCTP_INP_WLOCK(inp); 488 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 489 ip_inp = &inp->ip_inp.inp; 490 ip_inp->inp_vflag |= INP_IPV4; 491 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 492 SCTP_INP_WUNLOCK(inp); 493 return (0); 494 } 495 496 static int 497 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 498 { 499 struct sctp_inpcb *inp; 500 501 inp = (struct sctp_inpcb *)so->so_pcb; 502 if (inp == NULL) { 503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 504 return (EINVAL); 505 } 506 if (addr != NULL) { 507 if ((addr->sa_family != AF_INET) || 508 (addr->sa_len != sizeof(struct sockaddr_in))) { 509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 510 return (EINVAL); 511 } 512 } 513 return (sctp_inpcb_bind(so, addr, NULL, p)); 514 } 515 516 #endif 517 void 518 sctp_close(struct socket *so) 519 { 520 struct sctp_inpcb *inp; 521 uint32_t flags; 522 523 inp = (struct sctp_inpcb *)so->so_pcb; 524 if (inp == NULL) 525 return; 526 527 /* 528 * Inform all the lower layer assoc that we are done. 529 */ 530 sctp_must_try_again: 531 flags = inp->sctp_flags; 532 #ifdef SCTP_LOG_CLOSING 533 sctp_log_closing(inp, NULL, 17); 534 #endif 535 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 536 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 537 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 538 (so->so_rcv.sb_cc > 0)) { 539 #ifdef SCTP_LOG_CLOSING 540 sctp_log_closing(inp, NULL, 13); 541 #endif 542 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 543 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 544 } else { 545 #ifdef SCTP_LOG_CLOSING 546 sctp_log_closing(inp, NULL, 14); 547 #endif 548 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 549 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 550 } 551 /* 552 * The socket is now detached, no matter what the state of 553 * the SCTP association. 554 */ 555 SOCK_LOCK(so); 556 SCTP_SB_CLEAR(so->so_snd); 557 /* 558 * same for the rcv ones, they are only here for the 559 * accounting/select. 560 */ 561 SCTP_SB_CLEAR(so->so_rcv); 562 563 /* Now null out the reference, we are completely detached. */ 564 so->so_pcb = NULL; 565 SOCK_UNLOCK(so); 566 } else { 567 flags = inp->sctp_flags; 568 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 569 goto sctp_must_try_again; 570 } 571 } 572 return; 573 } 574 575 576 int 577 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 578 struct mbuf *control, struct thread *p); 579 580 581 int 582 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 583 struct mbuf *control, struct thread *p) 584 { 585 struct sctp_inpcb *inp; 586 int error; 587 588 inp = (struct sctp_inpcb *)so->so_pcb; 589 if (inp == NULL) { 590 if (control) { 591 sctp_m_freem(control); 592 control = NULL; 593 } 594 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 595 sctp_m_freem(m); 596 return (EINVAL); 597 } 598 /* Got to have an to address if we are NOT a connected socket */ 599 if ((addr == NULL) && 600 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 601 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 602 goto connected_type; 603 } else if (addr == NULL) { 604 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 605 error = EDESTADDRREQ; 606 sctp_m_freem(m); 607 if (control) { 608 sctp_m_freem(control); 609 control = NULL; 610 } 611 return (error); 612 } 613 #ifdef INET6 614 if (addr->sa_family != AF_INET) { 615 /* must be a v4 address! */ 616 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 617 sctp_m_freem(m); 618 if (control) { 619 sctp_m_freem(control); 620 control = NULL; 621 } 622 error = EDESTADDRREQ; 623 return (error); 624 } 625 #endif /* INET6 */ 626 connected_type: 627 /* now what about control */ 628 if (control) { 629 if (inp->control) { 630 SCTP_PRINTF("huh? control set?\n"); 631 sctp_m_freem(inp->control); 632 inp->control = NULL; 633 } 634 inp->control = control; 635 } 636 /* Place the data */ 637 if (inp->pkt) { 638 SCTP_BUF_NEXT(inp->pkt_last) = m; 639 inp->pkt_last = m; 640 } else { 641 inp->pkt_last = inp->pkt = m; 642 } 643 if ( 644 /* FreeBSD uses a flag passed */ 645 ((flags & PRUS_MORETOCOME) == 0) 646 ) { 647 /* 648 * note with the current version this code will only be used 649 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 650 * re-defining sosend to use the sctp_sosend. One can 651 * optionally switch back to this code (by changing back the 652 * definitions) but this is not advisable. This code is used 653 * by FreeBSD when sending a file with sendfile() though. 654 */ 655 int ret; 656 657 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 658 inp->pkt = NULL; 659 inp->control = NULL; 660 return (ret); 661 } else { 662 return (0); 663 } 664 } 665 666 int 667 sctp_disconnect(struct socket *so) 668 { 669 struct sctp_inpcb *inp; 670 671 inp = (struct sctp_inpcb *)so->so_pcb; 672 if (inp == NULL) { 673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 674 return (ENOTCONN); 675 } 676 SCTP_INP_RLOCK(inp); 677 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 678 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 679 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 680 /* No connection */ 681 SCTP_INP_RUNLOCK(inp); 682 return (0); 683 } else { 684 struct sctp_association *asoc; 685 struct sctp_tcb *stcb; 686 687 stcb = LIST_FIRST(&inp->sctp_asoc_list); 688 if (stcb == NULL) { 689 SCTP_INP_RUNLOCK(inp); 690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 691 return (EINVAL); 692 } 693 SCTP_TCB_LOCK(stcb); 694 asoc = &stcb->asoc; 695 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 696 /* We are about to be freed, out of here */ 697 SCTP_TCB_UNLOCK(stcb); 698 SCTP_INP_RUNLOCK(inp); 699 return (0); 700 } 701 if (((so->so_options & SO_LINGER) && 702 (so->so_linger == 0)) || 703 (so->so_rcv.sb_cc > 0)) { 704 if (SCTP_GET_STATE(asoc) != 705 SCTP_STATE_COOKIE_WAIT) { 706 /* Left with Data unread */ 707 struct mbuf *err; 708 709 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 710 if (err) { 711 /* 712 * Fill in the user 713 * initiated abort 714 */ 715 struct sctp_paramhdr *ph; 716 717 ph = mtod(err, struct sctp_paramhdr *); 718 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 719 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 720 ph->param_length = htons(SCTP_BUF_LEN(err)); 721 } 722 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 723 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 724 } 725 SCTP_INP_RUNLOCK(inp); 726 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 727 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 728 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 729 } 730 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 731 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 732 /* No unlock tcb assoc is gone */ 733 return (0); 734 } 735 if (TAILQ_EMPTY(&asoc->send_queue) && 736 TAILQ_EMPTY(&asoc->sent_queue) && 737 (asoc->stream_queue_cnt == 0)) { 738 /* there is nothing queued to send, so done */ 739 if (asoc->locked_on_sending) { 740 goto abort_anyway; 741 } 742 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 743 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 744 /* only send SHUTDOWN 1st time thru */ 745 struct sctp_nets *netp; 746 747 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 748 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 749 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 750 } 751 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 752 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 753 sctp_stop_timers_for_shutdown(stcb); 754 if (stcb->asoc.alternate) { 755 netp = stcb->asoc.alternate; 756 } else { 757 netp = stcb->asoc.primary_destination; 758 } 759 sctp_send_shutdown(stcb, netp); 760 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 761 stcb->sctp_ep, stcb, netp); 762 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 763 stcb->sctp_ep, stcb, netp); 764 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 765 } 766 } else { 767 /* 768 * we still got (or just got) data to send, 769 * so set SHUTDOWN_PENDING 770 */ 771 /* 772 * XXX sockets draft says that SCTP_EOF 773 * should be sent with no data. currently, 774 * we will allow user data to be sent first 775 * and move to SHUTDOWN-PENDING 776 */ 777 struct sctp_nets *netp; 778 779 if (stcb->asoc.alternate) { 780 netp = stcb->asoc.alternate; 781 } else { 782 netp = stcb->asoc.primary_destination; 783 } 784 785 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 786 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 787 netp); 788 if (asoc->locked_on_sending) { 789 /* Locked to send out the data */ 790 struct sctp_stream_queue_pending *sp; 791 792 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 793 if (sp == NULL) { 794 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 795 asoc->locked_on_sending->stream_no); 796 } else { 797 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 798 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 799 } 800 } 801 if (TAILQ_EMPTY(&asoc->send_queue) && 802 TAILQ_EMPTY(&asoc->sent_queue) && 803 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 804 struct mbuf *op_err; 805 806 abort_anyway: 807 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 808 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 809 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 810 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 811 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 812 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 813 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 814 } 815 SCTP_INP_RUNLOCK(inp); 816 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 817 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 818 return (0); 819 } else { 820 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 821 } 822 } 823 soisdisconnecting(so); 824 SCTP_TCB_UNLOCK(stcb); 825 SCTP_INP_RUNLOCK(inp); 826 return (0); 827 } 828 /* not reached */ 829 } else { 830 /* UDP model does not support this */ 831 SCTP_INP_RUNLOCK(inp); 832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 833 return (EOPNOTSUPP); 834 } 835 } 836 837 int 838 sctp_flush(struct socket *so, int how) 839 { 840 /* 841 * We will just clear out the values and let subsequent close clear 842 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 843 * they will not be able to read the data, the socket will block 844 * that from happening. 845 */ 846 struct sctp_inpcb *inp; 847 848 inp = (struct sctp_inpcb *)so->so_pcb; 849 if (inp == NULL) { 850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 851 return (EINVAL); 852 } 853 SCTP_INP_RLOCK(inp); 854 /* For the 1 to many model this does nothing */ 855 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 856 SCTP_INP_RUNLOCK(inp); 857 return (0); 858 } 859 SCTP_INP_RUNLOCK(inp); 860 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 861 /* 862 * First make sure the sb will be happy, we don't use these 863 * except maybe the count 864 */ 865 SCTP_INP_WLOCK(inp); 866 SCTP_INP_READ_LOCK(inp); 867 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 868 SCTP_INP_READ_UNLOCK(inp); 869 SCTP_INP_WUNLOCK(inp); 870 so->so_rcv.sb_cc = 0; 871 so->so_rcv.sb_mbcnt = 0; 872 so->so_rcv.sb_mb = NULL; 873 } 874 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 875 /* 876 * First make sure the sb will be happy, we don't use these 877 * except maybe the count 878 */ 879 so->so_snd.sb_cc = 0; 880 so->so_snd.sb_mbcnt = 0; 881 so->so_snd.sb_mb = NULL; 882 883 } 884 return (0); 885 } 886 887 int 888 sctp_shutdown(struct socket *so) 889 { 890 struct sctp_inpcb *inp; 891 892 inp = (struct sctp_inpcb *)so->so_pcb; 893 if (inp == NULL) { 894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 895 return (EINVAL); 896 } 897 SCTP_INP_RLOCK(inp); 898 /* For UDP model this is a invalid call */ 899 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 900 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 901 /* Restore the flags that the soshutdown took away. */ 902 SOCKBUF_LOCK(&so->so_rcv); 903 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 904 SOCKBUF_UNLOCK(&so->so_rcv); 905 /* This proc will wakeup for read and do nothing (I hope) */ 906 SCTP_INP_RUNLOCK(inp); 907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 908 return (EOPNOTSUPP); 909 } else { 910 /* 911 * Ok, if we reach here its the TCP model and it is either a 912 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 913 * against it. 914 */ 915 struct sctp_tcb *stcb; 916 struct sctp_association *asoc; 917 struct sctp_nets *netp; 918 919 if ((so->so_state & 920 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 921 SCTP_INP_RUNLOCK(inp); 922 return (ENOTCONN); 923 } 924 socantsendmore(so); 925 926 stcb = LIST_FIRST(&inp->sctp_asoc_list); 927 if (stcb == NULL) { 928 /* 929 * Ok, we hit the case that the shutdown call was 930 * made after an abort or something. Nothing to do 931 * now. 932 */ 933 SCTP_INP_RUNLOCK(inp); 934 return (0); 935 } 936 SCTP_TCB_LOCK(stcb); 937 asoc = &stcb->asoc; 938 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 939 SCTP_TCB_UNLOCK(stcb); 940 SCTP_INP_RUNLOCK(inp); 941 return (0); 942 } 943 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) && 944 (SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_ECHOED) && 945 (SCTP_GET_STATE(asoc) != SCTP_STATE_OPEN)) { 946 /* 947 * If we are not in or before ESTABLISHED, there is 948 * no protocol action required. 949 */ 950 SCTP_TCB_UNLOCK(stcb); 951 SCTP_INP_RUNLOCK(inp); 952 return (0); 953 } 954 if (stcb->asoc.alternate) { 955 netp = stcb->asoc.alternate; 956 } else { 957 netp = stcb->asoc.primary_destination; 958 } 959 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) && 960 TAILQ_EMPTY(&asoc->send_queue) && 961 TAILQ_EMPTY(&asoc->sent_queue) && 962 (asoc->stream_queue_cnt == 0)) { 963 if (asoc->locked_on_sending) { 964 goto abort_anyway; 965 } 966 /* there is nothing queued to send, so I'm done... */ 967 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 968 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 969 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 970 sctp_stop_timers_for_shutdown(stcb); 971 sctp_send_shutdown(stcb, netp); 972 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 973 stcb->sctp_ep, stcb, netp); 974 } else { 975 /* 976 * We still got (or just got) data to send, so set 977 * SHUTDOWN_PENDING. 978 */ 979 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 980 if (asoc->locked_on_sending) { 981 /* Locked to send out the data */ 982 struct sctp_stream_queue_pending *sp; 983 984 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 985 if (sp == NULL) { 986 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 987 asoc->locked_on_sending->stream_no); 988 } else { 989 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 990 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT); 991 } 992 } 993 } 994 if (TAILQ_EMPTY(&asoc->send_queue) && 995 TAILQ_EMPTY(&asoc->sent_queue) && 996 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 997 struct mbuf *op_err; 998 999 abort_anyway: 1000 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 1001 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1002 sctp_abort_an_association(stcb->sctp_ep, stcb, 1003 op_err, SCTP_SO_LOCKED); 1004 SCTP_INP_RUNLOCK(inp); 1005 return (0); 1006 } 1007 } 1008 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 1009 /* 1010 * XXX: Why do this in the case where we have still data 1011 * queued? 1012 */ 1013 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1014 SCTP_TCB_UNLOCK(stcb); 1015 SCTP_INP_RUNLOCK(inp); 1016 return (0); 1017 } 1018 } 1019 1020 /* 1021 * copies a "user" presentable address and removes embedded scope, etc. 1022 * returns 0 on success, 1 on error 1023 */ 1024 static uint32_t 1025 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1026 { 1027 #ifdef INET6 1028 struct sockaddr_in6 lsa6; 1029 1030 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1031 &lsa6); 1032 #endif 1033 memcpy(ss, sa, sa->sa_len); 1034 return (0); 1035 } 1036 1037 1038 1039 /* 1040 * NOTE: assumes addr lock is held 1041 */ 1042 static size_t 1043 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1044 struct sctp_tcb *stcb, 1045 size_t limit, 1046 struct sockaddr_storage *sas, 1047 uint32_t vrf_id) 1048 { 1049 struct sctp_ifn *sctp_ifn; 1050 struct sctp_ifa *sctp_ifa; 1051 size_t actual; 1052 int loopback_scope; 1053 1054 #if defined(INET) 1055 int ipv4_local_scope, ipv4_addr_legal; 1056 1057 #endif 1058 #if defined(INET6) 1059 int local_scope, site_scope, ipv6_addr_legal; 1060 1061 #endif 1062 struct sctp_vrf *vrf; 1063 1064 actual = 0; 1065 if (limit <= 0) 1066 return (actual); 1067 1068 if (stcb) { 1069 /* Turn on all the appropriate scope */ 1070 loopback_scope = stcb->asoc.scope.loopback_scope; 1071 #if defined(INET) 1072 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1073 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1074 #endif 1075 #if defined(INET6) 1076 local_scope = stcb->asoc.scope.local_scope; 1077 site_scope = stcb->asoc.scope.site_scope; 1078 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1079 #endif 1080 } else { 1081 /* Use generic values for endpoints. */ 1082 loopback_scope = 1; 1083 #if defined(INET) 1084 ipv4_local_scope = 1; 1085 #endif 1086 #if defined(INET6) 1087 local_scope = 1; 1088 site_scope = 1; 1089 #endif 1090 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1091 #if defined(INET6) 1092 ipv6_addr_legal = 1; 1093 #endif 1094 #if defined(INET) 1095 if (SCTP_IPV6_V6ONLY(inp)) { 1096 ipv4_addr_legal = 0; 1097 } else { 1098 ipv4_addr_legal = 1; 1099 } 1100 #endif 1101 } else { 1102 #if defined(INET6) 1103 ipv6_addr_legal = 0; 1104 #endif 1105 #if defined(INET) 1106 ipv4_addr_legal = 1; 1107 #endif 1108 } 1109 } 1110 vrf = sctp_find_vrf(vrf_id); 1111 if (vrf == NULL) { 1112 return (0); 1113 } 1114 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1115 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1116 if ((loopback_scope == 0) && 1117 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1118 /* Skip loopback if loopback_scope not set */ 1119 continue; 1120 } 1121 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1122 if (stcb) { 1123 /* 1124 * For the BOUND-ALL case, the list 1125 * associated with a TCB is Always 1126 * considered a reverse list.. i.e. 1127 * it lists addresses that are NOT 1128 * part of the association. If this 1129 * is one of those we must skip it. 1130 */ 1131 if (sctp_is_addr_restricted(stcb, 1132 sctp_ifa)) { 1133 continue; 1134 } 1135 } 1136 switch (sctp_ifa->address.sa.sa_family) { 1137 #ifdef INET 1138 case AF_INET: 1139 if (ipv4_addr_legal) { 1140 struct sockaddr_in *sin; 1141 1142 sin = &sctp_ifa->address.sin; 1143 if (sin->sin_addr.s_addr == 0) { 1144 /* 1145 * we skip 1146 * unspecifed 1147 * addresses 1148 */ 1149 continue; 1150 } 1151 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1152 &sin->sin_addr) != 0) { 1153 continue; 1154 } 1155 if ((ipv4_local_scope == 0) && 1156 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1157 continue; 1158 } 1159 #ifdef INET6 1160 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1161 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1162 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1163 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1164 actual += sizeof(struct sockaddr_in6); 1165 } else { 1166 #endif 1167 memcpy(sas, sin, sizeof(*sin)); 1168 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1169 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1170 actual += sizeof(*sin); 1171 #ifdef INET6 1172 } 1173 #endif 1174 if (actual >= limit) { 1175 return (actual); 1176 } 1177 } else { 1178 continue; 1179 } 1180 break; 1181 #endif 1182 #ifdef INET6 1183 case AF_INET6: 1184 if (ipv6_addr_legal) { 1185 struct sockaddr_in6 *sin6; 1186 1187 sin6 = &sctp_ifa->address.sin6; 1188 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1189 /* 1190 * we skip 1191 * unspecifed 1192 * addresses 1193 */ 1194 continue; 1195 } 1196 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1197 &sin6->sin6_addr) != 0) { 1198 continue; 1199 } 1200 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1201 if (local_scope == 0) 1202 continue; 1203 if (sin6->sin6_scope_id == 0) { 1204 if (sa6_recoverscope(sin6) != 0) 1205 /* 1206 * 1207 * bad 1208 * 1209 * li 1210 * nk 1211 * 1212 * loc 1213 * al 1214 * 1215 * add 1216 * re 1217 * ss 1218 * */ 1219 continue; 1220 } 1221 } 1222 if ((site_scope == 0) && 1223 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1224 continue; 1225 } 1226 memcpy(sas, sin6, sizeof(*sin6)); 1227 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1228 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1229 actual += sizeof(*sin6); 1230 if (actual >= limit) { 1231 return (actual); 1232 } 1233 } else { 1234 continue; 1235 } 1236 break; 1237 #endif 1238 default: 1239 /* TSNH */ 1240 break; 1241 } 1242 } 1243 } 1244 } else { 1245 struct sctp_laddr *laddr; 1246 1247 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1248 if (stcb) { 1249 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1250 continue; 1251 } 1252 } 1253 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1254 continue; 1255 switch (laddr->ifa->address.sa.sa_family) { 1256 #ifdef INET 1257 case AF_INET: 1258 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1259 break; 1260 #endif 1261 #ifdef INET6 1262 case AF_INET6: 1263 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1264 break; 1265 #endif 1266 default: 1267 /* TSNH */ 1268 break; 1269 } 1270 sas = (struct sockaddr_storage *)((caddr_t)sas + 1271 laddr->ifa->address.sa.sa_len); 1272 actual += laddr->ifa->address.sa.sa_len; 1273 if (actual >= limit) { 1274 return (actual); 1275 } 1276 } 1277 } 1278 return (actual); 1279 } 1280 1281 static size_t 1282 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1283 struct sctp_tcb *stcb, 1284 size_t limit, 1285 struct sockaddr_storage *sas) 1286 { 1287 size_t size = 0; 1288 1289 SCTP_IPI_ADDR_RLOCK(); 1290 /* fill up addresses for the endpoint's default vrf */ 1291 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1292 inp->def_vrf_id); 1293 SCTP_IPI_ADDR_RUNLOCK(); 1294 return (size); 1295 } 1296 1297 /* 1298 * NOTE: assumes addr lock is held 1299 */ 1300 static int 1301 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1302 { 1303 int cnt = 0; 1304 struct sctp_vrf *vrf = NULL; 1305 1306 /* 1307 * In both sub-set bound an bound_all cases we return the MAXIMUM 1308 * number of addresses that you COULD get. In reality the sub-set 1309 * bound may have an exclusion list for a given TCB OR in the 1310 * bound-all case a TCB may NOT include the loopback or other 1311 * addresses as well. 1312 */ 1313 vrf = sctp_find_vrf(vrf_id); 1314 if (vrf == NULL) { 1315 return (0); 1316 } 1317 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1318 struct sctp_ifn *sctp_ifn; 1319 struct sctp_ifa *sctp_ifa; 1320 1321 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1322 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1323 /* Count them if they are the right type */ 1324 switch (sctp_ifa->address.sa.sa_family) { 1325 #ifdef INET 1326 case AF_INET: 1327 #ifdef INET6 1328 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1329 cnt += sizeof(struct sockaddr_in6); 1330 else 1331 cnt += sizeof(struct sockaddr_in); 1332 #else 1333 cnt += sizeof(struct sockaddr_in); 1334 #endif 1335 break; 1336 #endif 1337 #ifdef INET6 1338 case AF_INET6: 1339 cnt += sizeof(struct sockaddr_in6); 1340 break; 1341 #endif 1342 default: 1343 break; 1344 } 1345 } 1346 } 1347 } else { 1348 struct sctp_laddr *laddr; 1349 1350 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1351 switch (laddr->ifa->address.sa.sa_family) { 1352 #ifdef INET 1353 case AF_INET: 1354 #ifdef INET6 1355 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1356 cnt += sizeof(struct sockaddr_in6); 1357 else 1358 cnt += sizeof(struct sockaddr_in); 1359 #else 1360 cnt += sizeof(struct sockaddr_in); 1361 #endif 1362 break; 1363 #endif 1364 #ifdef INET6 1365 case AF_INET6: 1366 cnt += sizeof(struct sockaddr_in6); 1367 break; 1368 #endif 1369 default: 1370 break; 1371 } 1372 } 1373 } 1374 return (cnt); 1375 } 1376 1377 static int 1378 sctp_count_max_addresses(struct sctp_inpcb *inp) 1379 { 1380 int cnt = 0; 1381 1382 SCTP_IPI_ADDR_RLOCK(); 1383 /* count addresses for the endpoint's default VRF */ 1384 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1385 SCTP_IPI_ADDR_RUNLOCK(); 1386 return (cnt); 1387 } 1388 1389 static int 1390 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1391 size_t optsize, void *p, int delay) 1392 { 1393 int error = 0; 1394 int creat_lock_on = 0; 1395 struct sctp_tcb *stcb = NULL; 1396 struct sockaddr *sa; 1397 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1398 uint32_t vrf_id; 1399 int bad_addresses = 0; 1400 sctp_assoc_t *a_id; 1401 1402 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1403 1404 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1405 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1406 /* We are already connected AND the TCP model */ 1407 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1408 return (EADDRINUSE); 1409 } 1410 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1411 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1412 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1413 return (EINVAL); 1414 } 1415 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1416 SCTP_INP_RLOCK(inp); 1417 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1418 SCTP_INP_RUNLOCK(inp); 1419 } 1420 if (stcb) { 1421 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1422 return (EALREADY); 1423 } 1424 SCTP_INP_INCR_REF(inp); 1425 SCTP_ASOC_CREATE_LOCK(inp); 1426 creat_lock_on = 1; 1427 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1428 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1429 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1430 error = EFAULT; 1431 goto out_now; 1432 } 1433 totaddrp = (unsigned int *)optval; 1434 totaddr = *totaddrp; 1435 sa = (struct sockaddr *)(totaddrp + 1); 1436 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (unsigned int)(optsize - sizeof(int)), &bad_addresses); 1437 if ((stcb != NULL) || bad_addresses) { 1438 /* Already have or am bring up an association */ 1439 SCTP_ASOC_CREATE_UNLOCK(inp); 1440 creat_lock_on = 0; 1441 if (stcb) 1442 SCTP_TCB_UNLOCK(stcb); 1443 if (bad_addresses == 0) { 1444 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1445 error = EALREADY; 1446 } 1447 goto out_now; 1448 } 1449 #ifdef INET6 1450 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1451 (num_v6 > 0)) { 1452 error = EINVAL; 1453 goto out_now; 1454 } 1455 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1456 (num_v4 > 0)) { 1457 struct in6pcb *inp6; 1458 1459 inp6 = (struct in6pcb *)inp; 1460 if (SCTP_IPV6_V6ONLY(inp6)) { 1461 /* 1462 * if IPV6_V6ONLY flag, ignore connections destined 1463 * to a v4 addr or v4-mapped addr 1464 */ 1465 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1466 error = EINVAL; 1467 goto out_now; 1468 } 1469 } 1470 #endif /* INET6 */ 1471 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1472 SCTP_PCB_FLAGS_UNBOUND) { 1473 /* Bind a ephemeral port */ 1474 error = sctp_inpcb_bind(so, NULL, NULL, p); 1475 if (error) { 1476 goto out_now; 1477 } 1478 } 1479 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1480 vrf_id = inp->def_vrf_id; 1481 1482 1483 /* We are GOOD to go */ 1484 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1485 inp->sctp_ep.pre_open_stream_count, 1486 (struct thread *)p 1487 ); 1488 if (stcb == NULL) { 1489 /* Gak! no memory */ 1490 goto out_now; 1491 } 1492 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1493 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1494 /* Set the connected flag so we can queue data */ 1495 soisconnecting(so); 1496 } 1497 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1498 /* move to second address */ 1499 switch (sa->sa_family) { 1500 #ifdef INET 1501 case AF_INET: 1502 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1503 break; 1504 #endif 1505 #ifdef INET6 1506 case AF_INET6: 1507 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1508 break; 1509 #endif 1510 default: 1511 break; 1512 } 1513 1514 error = 0; 1515 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1516 /* Fill in the return id */ 1517 if (error) { 1518 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1519 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1520 goto out_now; 1521 } 1522 a_id = (sctp_assoc_t *) optval; 1523 *a_id = sctp_get_associd(stcb); 1524 1525 /* initialize authentication parameters for the assoc */ 1526 sctp_initialize_auth_params(inp, stcb); 1527 1528 if (delay) { 1529 /* doing delayed connection */ 1530 stcb->asoc.delayed_connection = 1; 1531 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1532 } else { 1533 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1534 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1535 } 1536 SCTP_TCB_UNLOCK(stcb); 1537 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1538 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1539 /* Set the connected flag so we can queue data */ 1540 soisconnecting(so); 1541 } 1542 out_now: 1543 if (creat_lock_on) { 1544 SCTP_ASOC_CREATE_UNLOCK(inp); 1545 } 1546 SCTP_INP_DECR_REF(inp); 1547 return (error); 1548 } 1549 1550 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1551 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1552 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1553 SCTP_INP_RLOCK(inp); \ 1554 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1555 if (stcb) { \ 1556 SCTP_TCB_LOCK(stcb); \ 1557 } \ 1558 SCTP_INP_RUNLOCK(inp); \ 1559 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1560 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1561 if (stcb == NULL) { \ 1562 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1563 error = ENOENT; \ 1564 break; \ 1565 } \ 1566 } else { \ 1567 stcb = NULL; \ 1568 } \ 1569 } 1570 1571 1572 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1573 if (size < sizeof(type)) { \ 1574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1575 error = EINVAL; \ 1576 break; \ 1577 } else { \ 1578 destp = (type *)srcp; \ 1579 } \ 1580 } 1581 1582 static int 1583 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1584 void *p) 1585 { 1586 struct sctp_inpcb *inp = NULL; 1587 int error, val = 0; 1588 struct sctp_tcb *stcb = NULL; 1589 1590 if (optval == NULL) { 1591 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1592 return (EINVAL); 1593 } 1594 inp = (struct sctp_inpcb *)so->so_pcb; 1595 if (inp == NULL) { 1596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1597 return EINVAL; 1598 } 1599 error = 0; 1600 1601 switch (optname) { 1602 case SCTP_NODELAY: 1603 case SCTP_AUTOCLOSE: 1604 case SCTP_EXPLICIT_EOR: 1605 case SCTP_AUTO_ASCONF: 1606 case SCTP_DISABLE_FRAGMENTS: 1607 case SCTP_I_WANT_MAPPED_V4_ADDR: 1608 case SCTP_USE_EXT_RCVINFO: 1609 SCTP_INP_RLOCK(inp); 1610 switch (optname) { 1611 case SCTP_DISABLE_FRAGMENTS: 1612 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1613 break; 1614 case SCTP_I_WANT_MAPPED_V4_ADDR: 1615 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1616 break; 1617 case SCTP_AUTO_ASCONF: 1618 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1619 /* only valid for bound all sockets */ 1620 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1621 } else { 1622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1623 error = EINVAL; 1624 goto flags_out; 1625 } 1626 break; 1627 case SCTP_EXPLICIT_EOR: 1628 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1629 break; 1630 case SCTP_NODELAY: 1631 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1632 break; 1633 case SCTP_USE_EXT_RCVINFO: 1634 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1635 break; 1636 case SCTP_AUTOCLOSE: 1637 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1638 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1639 else 1640 val = 0; 1641 break; 1642 1643 default: 1644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1645 error = ENOPROTOOPT; 1646 } /* end switch (sopt->sopt_name) */ 1647 if (*optsize < sizeof(val)) { 1648 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1649 error = EINVAL; 1650 } 1651 flags_out: 1652 SCTP_INP_RUNLOCK(inp); 1653 if (error == 0) { 1654 /* return the option value */ 1655 *(int *)optval = val; 1656 *optsize = sizeof(val); 1657 } 1658 break; 1659 case SCTP_GET_PACKET_LOG: 1660 { 1661 #ifdef SCTP_PACKET_LOGGING 1662 uint8_t *target; 1663 int ret; 1664 1665 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1666 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1667 *optsize = ret; 1668 #else 1669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1670 error = EOPNOTSUPP; 1671 #endif 1672 break; 1673 } 1674 case SCTP_REUSE_PORT: 1675 { 1676 uint32_t *value; 1677 1678 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1679 /* Can't do this for a 1-m socket */ 1680 error = EINVAL; 1681 break; 1682 } 1683 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1684 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1685 *optsize = sizeof(uint32_t); 1686 break; 1687 } 1688 case SCTP_PARTIAL_DELIVERY_POINT: 1689 { 1690 uint32_t *value; 1691 1692 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1693 *value = inp->partial_delivery_point; 1694 *optsize = sizeof(uint32_t); 1695 break; 1696 } 1697 case SCTP_FRAGMENT_INTERLEAVE: 1698 { 1699 uint32_t *value; 1700 1701 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1702 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1703 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1704 *value = SCTP_FRAG_LEVEL_2; 1705 } else { 1706 *value = SCTP_FRAG_LEVEL_1; 1707 } 1708 } else { 1709 *value = SCTP_FRAG_LEVEL_0; 1710 } 1711 *optsize = sizeof(uint32_t); 1712 break; 1713 } 1714 case SCTP_INTERLEAVING_SUPPORTED: 1715 { 1716 struct sctp_assoc_value *av; 1717 1718 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1719 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1720 1721 if (stcb) { 1722 av->assoc_value = stcb->asoc.idata_supported; 1723 SCTP_TCB_UNLOCK(stcb); 1724 } else { 1725 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1726 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1727 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1728 SCTP_INP_RLOCK(inp); 1729 if (inp->idata_supported) { 1730 av->assoc_value = 1; 1731 } else { 1732 av->assoc_value = 0; 1733 } 1734 SCTP_INP_RUNLOCK(inp); 1735 } else { 1736 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1737 error = EINVAL; 1738 } 1739 } 1740 if (error == 0) { 1741 *optsize = sizeof(struct sctp_assoc_value); 1742 } 1743 break; 1744 } 1745 case SCTP_CMT_ON_OFF: 1746 { 1747 struct sctp_assoc_value *av; 1748 1749 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1750 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1751 if (stcb) { 1752 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1753 SCTP_TCB_UNLOCK(stcb); 1754 } else { 1755 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1756 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1757 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1758 SCTP_INP_RLOCK(inp); 1759 av->assoc_value = inp->sctp_cmt_on_off; 1760 SCTP_INP_RUNLOCK(inp); 1761 } else { 1762 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1763 error = EINVAL; 1764 } 1765 } 1766 if (error == 0) { 1767 *optsize = sizeof(struct sctp_assoc_value); 1768 } 1769 break; 1770 } 1771 case SCTP_PLUGGABLE_CC: 1772 { 1773 struct sctp_assoc_value *av; 1774 1775 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1776 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1777 if (stcb) { 1778 av->assoc_value = stcb->asoc.congestion_control_module; 1779 SCTP_TCB_UNLOCK(stcb); 1780 } else { 1781 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1782 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1783 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1784 SCTP_INP_RLOCK(inp); 1785 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1786 SCTP_INP_RUNLOCK(inp); 1787 } else { 1788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1789 error = EINVAL; 1790 } 1791 } 1792 if (error == 0) { 1793 *optsize = sizeof(struct sctp_assoc_value); 1794 } 1795 break; 1796 } 1797 case SCTP_CC_OPTION: 1798 { 1799 struct sctp_cc_option *cc_opt; 1800 1801 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1802 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1803 if (stcb == NULL) { 1804 error = EINVAL; 1805 } else { 1806 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1807 error = ENOTSUP; 1808 } else { 1809 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1810 *optsize = sizeof(struct sctp_cc_option); 1811 } 1812 SCTP_TCB_UNLOCK(stcb); 1813 } 1814 break; 1815 } 1816 case SCTP_PLUGGABLE_SS: 1817 { 1818 struct sctp_assoc_value *av; 1819 1820 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1821 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1822 if (stcb) { 1823 av->assoc_value = stcb->asoc.stream_scheduling_module; 1824 SCTP_TCB_UNLOCK(stcb); 1825 } else { 1826 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1827 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1828 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1829 SCTP_INP_RLOCK(inp); 1830 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1831 SCTP_INP_RUNLOCK(inp); 1832 } else { 1833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1834 error = EINVAL; 1835 } 1836 } 1837 if (error == 0) { 1838 *optsize = sizeof(struct sctp_assoc_value); 1839 } 1840 break; 1841 } 1842 case SCTP_SS_VALUE: 1843 { 1844 struct sctp_stream_value *av; 1845 1846 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1847 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1848 if (stcb) { 1849 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1850 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1851 &av->stream_value) < 0)) { 1852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1853 error = EINVAL; 1854 } else { 1855 *optsize = sizeof(struct sctp_stream_value); 1856 } 1857 SCTP_TCB_UNLOCK(stcb); 1858 } else { 1859 /* 1860 * Can't get stream value without 1861 * association 1862 */ 1863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1864 error = EINVAL; 1865 } 1866 break; 1867 } 1868 case SCTP_GET_ADDR_LEN: 1869 { 1870 struct sctp_assoc_value *av; 1871 1872 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1873 error = EINVAL; 1874 #ifdef INET 1875 if (av->assoc_value == AF_INET) { 1876 av->assoc_value = sizeof(struct sockaddr_in); 1877 error = 0; 1878 } 1879 #endif 1880 #ifdef INET6 1881 if (av->assoc_value == AF_INET6) { 1882 av->assoc_value = sizeof(struct sockaddr_in6); 1883 error = 0; 1884 } 1885 #endif 1886 if (error) { 1887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1888 } else { 1889 *optsize = sizeof(struct sctp_assoc_value); 1890 } 1891 break; 1892 } 1893 case SCTP_GET_ASSOC_NUMBER: 1894 { 1895 uint32_t *value, cnt; 1896 1897 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1898 SCTP_INP_RLOCK(inp); 1899 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1900 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1901 /* Can't do this for a 1-1 socket */ 1902 error = EINVAL; 1903 SCTP_INP_RUNLOCK(inp); 1904 break; 1905 } 1906 cnt = 0; 1907 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1908 cnt++; 1909 } 1910 SCTP_INP_RUNLOCK(inp); 1911 *value = cnt; 1912 *optsize = sizeof(uint32_t); 1913 break; 1914 } 1915 case SCTP_GET_ASSOC_ID_LIST: 1916 { 1917 struct sctp_assoc_ids *ids; 1918 uint32_t at; 1919 size_t limit; 1920 1921 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1922 SCTP_INP_RLOCK(inp); 1923 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1924 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1925 /* Can't do this for a 1-1 socket */ 1926 error = EINVAL; 1927 SCTP_INP_RUNLOCK(inp); 1928 break; 1929 } 1930 at = 0; 1931 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1932 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1933 if (at < limit) { 1934 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1935 if (at == 0) { 1936 error = EINVAL; 1937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1938 break; 1939 } 1940 } else { 1941 error = EINVAL; 1942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1943 break; 1944 } 1945 } 1946 SCTP_INP_RUNLOCK(inp); 1947 if (error == 0) { 1948 ids->gaids_number_of_ids = at; 1949 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1950 } 1951 break; 1952 } 1953 case SCTP_CONTEXT: 1954 { 1955 struct sctp_assoc_value *av; 1956 1957 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1958 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1959 1960 if (stcb) { 1961 av->assoc_value = stcb->asoc.context; 1962 SCTP_TCB_UNLOCK(stcb); 1963 } else { 1964 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1965 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1966 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1967 SCTP_INP_RLOCK(inp); 1968 av->assoc_value = inp->sctp_context; 1969 SCTP_INP_RUNLOCK(inp); 1970 } else { 1971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1972 error = EINVAL; 1973 } 1974 } 1975 if (error == 0) { 1976 *optsize = sizeof(struct sctp_assoc_value); 1977 } 1978 break; 1979 } 1980 case SCTP_VRF_ID: 1981 { 1982 uint32_t *default_vrfid; 1983 1984 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1985 *default_vrfid = inp->def_vrf_id; 1986 *optsize = sizeof(uint32_t); 1987 break; 1988 } 1989 case SCTP_GET_ASOC_VRF: 1990 { 1991 struct sctp_assoc_value *id; 1992 1993 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1994 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1995 if (stcb == NULL) { 1996 error = EINVAL; 1997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1998 } else { 1999 id->assoc_value = stcb->asoc.vrf_id; 2000 *optsize = sizeof(struct sctp_assoc_value); 2001 } 2002 break; 2003 } 2004 case SCTP_GET_VRF_IDS: 2005 { 2006 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2007 error = EOPNOTSUPP; 2008 break; 2009 } 2010 case SCTP_GET_NONCE_VALUES: 2011 { 2012 struct sctp_get_nonce_values *gnv; 2013 2014 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2015 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2016 2017 if (stcb) { 2018 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2019 gnv->gn_local_tag = stcb->asoc.my_vtag; 2020 SCTP_TCB_UNLOCK(stcb); 2021 *optsize = sizeof(struct sctp_get_nonce_values); 2022 } else { 2023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2024 error = ENOTCONN; 2025 } 2026 break; 2027 } 2028 case SCTP_DELAYED_SACK: 2029 { 2030 struct sctp_sack_info *sack; 2031 2032 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2033 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2034 if (stcb) { 2035 sack->sack_delay = stcb->asoc.delayed_ack; 2036 sack->sack_freq = stcb->asoc.sack_freq; 2037 SCTP_TCB_UNLOCK(stcb); 2038 } else { 2039 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2040 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2041 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2042 SCTP_INP_RLOCK(inp); 2043 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2044 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2045 SCTP_INP_RUNLOCK(inp); 2046 } else { 2047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2048 error = EINVAL; 2049 } 2050 } 2051 if (error == 0) { 2052 *optsize = sizeof(struct sctp_sack_info); 2053 } 2054 break; 2055 } 2056 case SCTP_GET_SNDBUF_USE: 2057 { 2058 struct sctp_sockstat *ss; 2059 2060 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2061 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2062 2063 if (stcb) { 2064 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2065 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2066 stcb->asoc.size_on_all_streams); 2067 SCTP_TCB_UNLOCK(stcb); 2068 *optsize = sizeof(struct sctp_sockstat); 2069 } else { 2070 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2071 error = ENOTCONN; 2072 } 2073 break; 2074 } 2075 case SCTP_MAX_BURST: 2076 { 2077 struct sctp_assoc_value *av; 2078 2079 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2080 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2081 2082 if (stcb) { 2083 av->assoc_value = stcb->asoc.max_burst; 2084 SCTP_TCB_UNLOCK(stcb); 2085 } else { 2086 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2087 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2088 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2089 SCTP_INP_RLOCK(inp); 2090 av->assoc_value = inp->sctp_ep.max_burst; 2091 SCTP_INP_RUNLOCK(inp); 2092 } else { 2093 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2094 error = EINVAL; 2095 } 2096 } 2097 if (error == 0) { 2098 *optsize = sizeof(struct sctp_assoc_value); 2099 } 2100 break; 2101 } 2102 case SCTP_MAXSEG: 2103 { 2104 struct sctp_assoc_value *av; 2105 int ovh; 2106 2107 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2108 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2109 2110 if (stcb) { 2111 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2112 SCTP_TCB_UNLOCK(stcb); 2113 } else { 2114 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2115 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2116 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2117 SCTP_INP_RLOCK(inp); 2118 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2119 ovh = SCTP_MED_OVERHEAD; 2120 } else { 2121 ovh = SCTP_MED_V4_OVERHEAD; 2122 } 2123 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2124 av->assoc_value = 0; 2125 else 2126 av->assoc_value = inp->sctp_frag_point - ovh; 2127 SCTP_INP_RUNLOCK(inp); 2128 } else { 2129 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2130 error = EINVAL; 2131 } 2132 } 2133 if (error == 0) { 2134 *optsize = sizeof(struct sctp_assoc_value); 2135 } 2136 break; 2137 } 2138 case SCTP_GET_STAT_LOG: 2139 error = sctp_fill_stat_log(optval, optsize); 2140 break; 2141 case SCTP_EVENTS: 2142 { 2143 struct sctp_event_subscribe *events; 2144 2145 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2146 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2147 SCTP_INP_RLOCK(inp); 2148 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2149 events->sctp_data_io_event = 1; 2150 2151 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2152 events->sctp_association_event = 1; 2153 2154 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2155 events->sctp_address_event = 1; 2156 2157 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2158 events->sctp_send_failure_event = 1; 2159 2160 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2161 events->sctp_peer_error_event = 1; 2162 2163 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2164 events->sctp_shutdown_event = 1; 2165 2166 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2167 events->sctp_partial_delivery_event = 1; 2168 2169 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2170 events->sctp_adaptation_layer_event = 1; 2171 2172 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2173 events->sctp_authentication_event = 1; 2174 2175 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2176 events->sctp_sender_dry_event = 1; 2177 2178 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2179 events->sctp_stream_reset_event = 1; 2180 SCTP_INP_RUNLOCK(inp); 2181 *optsize = sizeof(struct sctp_event_subscribe); 2182 break; 2183 } 2184 case SCTP_ADAPTATION_LAYER: 2185 { 2186 uint32_t *value; 2187 2188 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2189 2190 SCTP_INP_RLOCK(inp); 2191 *value = inp->sctp_ep.adaptation_layer_indicator; 2192 SCTP_INP_RUNLOCK(inp); 2193 *optsize = sizeof(uint32_t); 2194 break; 2195 } 2196 case SCTP_SET_INITIAL_DBG_SEQ: 2197 { 2198 uint32_t *value; 2199 2200 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2201 SCTP_INP_RLOCK(inp); 2202 *value = inp->sctp_ep.initial_sequence_debug; 2203 SCTP_INP_RUNLOCK(inp); 2204 *optsize = sizeof(uint32_t); 2205 break; 2206 } 2207 case SCTP_GET_LOCAL_ADDR_SIZE: 2208 { 2209 uint32_t *value; 2210 2211 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2212 SCTP_INP_RLOCK(inp); 2213 *value = sctp_count_max_addresses(inp); 2214 SCTP_INP_RUNLOCK(inp); 2215 *optsize = sizeof(uint32_t); 2216 break; 2217 } 2218 case SCTP_GET_REMOTE_ADDR_SIZE: 2219 { 2220 uint32_t *value; 2221 size_t size; 2222 struct sctp_nets *net; 2223 2224 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2225 /* FIXME MT: change to sctp_assoc_value? */ 2226 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2227 2228 if (stcb) { 2229 size = 0; 2230 /* Count the sizes */ 2231 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2232 switch (net->ro._l_addr.sa.sa_family) { 2233 #ifdef INET 2234 case AF_INET: 2235 #ifdef INET6 2236 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2237 size += sizeof(struct sockaddr_in6); 2238 } else { 2239 size += sizeof(struct sockaddr_in); 2240 } 2241 #else 2242 size += sizeof(struct sockaddr_in); 2243 #endif 2244 break; 2245 #endif 2246 #ifdef INET6 2247 case AF_INET6: 2248 size += sizeof(struct sockaddr_in6); 2249 break; 2250 #endif 2251 default: 2252 break; 2253 } 2254 } 2255 SCTP_TCB_UNLOCK(stcb); 2256 *value = (uint32_t) size; 2257 *optsize = sizeof(uint32_t); 2258 } else { 2259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2260 error = ENOTCONN; 2261 } 2262 break; 2263 } 2264 case SCTP_GET_PEER_ADDRESSES: 2265 /* 2266 * Get the address information, an array is passed in to 2267 * fill up we pack it. 2268 */ 2269 { 2270 size_t cpsz, left; 2271 struct sockaddr_storage *sas; 2272 struct sctp_nets *net; 2273 struct sctp_getaddresses *saddr; 2274 2275 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2276 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2277 2278 if (stcb) { 2279 left = (*optsize) - sizeof(struct sctp_getaddresses); 2280 *optsize = sizeof(struct sctp_getaddresses); 2281 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2282 2283 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2284 switch (net->ro._l_addr.sa.sa_family) { 2285 #ifdef INET 2286 case AF_INET: 2287 #ifdef INET6 2288 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2289 cpsz = sizeof(struct sockaddr_in6); 2290 } else { 2291 cpsz = sizeof(struct sockaddr_in); 2292 } 2293 #else 2294 cpsz = sizeof(struct sockaddr_in); 2295 #endif 2296 break; 2297 #endif 2298 #ifdef INET6 2299 case AF_INET6: 2300 cpsz = sizeof(struct sockaddr_in6); 2301 break; 2302 #endif 2303 default: 2304 cpsz = 0; 2305 break; 2306 } 2307 if (cpsz == 0) { 2308 break; 2309 } 2310 if (left < cpsz) { 2311 /* not enough room. */ 2312 break; 2313 } 2314 #if defined(INET) && defined(INET6) 2315 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2316 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2317 /* Must map the address */ 2318 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2319 (struct sockaddr_in6 *)sas); 2320 } else { 2321 memcpy(sas, &net->ro._l_addr, cpsz); 2322 } 2323 #else 2324 memcpy(sas, &net->ro._l_addr, cpsz); 2325 #endif 2326 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2327 2328 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2329 left -= cpsz; 2330 *optsize += cpsz; 2331 } 2332 SCTP_TCB_UNLOCK(stcb); 2333 } else { 2334 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2335 error = ENOENT; 2336 } 2337 break; 2338 } 2339 case SCTP_GET_LOCAL_ADDRESSES: 2340 { 2341 size_t limit, actual; 2342 struct sockaddr_storage *sas; 2343 struct sctp_getaddresses *saddr; 2344 2345 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2346 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2347 2348 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2349 limit = *optsize - sizeof(sctp_assoc_t); 2350 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2351 if (stcb) { 2352 SCTP_TCB_UNLOCK(stcb); 2353 } 2354 *optsize = sizeof(struct sockaddr_storage) + actual; 2355 break; 2356 } 2357 case SCTP_PEER_ADDR_PARAMS: 2358 { 2359 struct sctp_paddrparams *paddrp; 2360 struct sctp_nets *net; 2361 struct sockaddr *addr; 2362 2363 #if defined(INET) && defined(INET6) 2364 struct sockaddr_in sin_store; 2365 2366 #endif 2367 2368 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2369 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2370 2371 #if defined(INET) && defined(INET6) 2372 if (paddrp->spp_address.ss_family == AF_INET6) { 2373 struct sockaddr_in6 *sin6; 2374 2375 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2376 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2377 in6_sin6_2_sin(&sin_store, sin6); 2378 addr = (struct sockaddr *)&sin_store; 2379 } else { 2380 addr = (struct sockaddr *)&paddrp->spp_address; 2381 } 2382 } else { 2383 addr = (struct sockaddr *)&paddrp->spp_address; 2384 } 2385 #else 2386 addr = (struct sockaddr *)&paddrp->spp_address; 2387 #endif 2388 if (stcb != NULL) { 2389 net = sctp_findnet(stcb, addr); 2390 } else { 2391 /* 2392 * We increment here since 2393 * sctp_findassociation_ep_addr() wil do a 2394 * decrement if it finds the stcb as long as 2395 * the locked tcb (last argument) is NOT a 2396 * TCB.. aka NULL. 2397 */ 2398 net = NULL; 2399 SCTP_INP_INCR_REF(inp); 2400 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2401 if (stcb == NULL) { 2402 SCTP_INP_DECR_REF(inp); 2403 } 2404 } 2405 if ((stcb != NULL) && (net == NULL)) { 2406 #ifdef INET 2407 if (addr->sa_family == AF_INET) { 2408 struct sockaddr_in *sin; 2409 2410 sin = (struct sockaddr_in *)addr; 2411 if (sin->sin_addr.s_addr != INADDR_ANY) { 2412 error = EINVAL; 2413 SCTP_TCB_UNLOCK(stcb); 2414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2415 break; 2416 } 2417 } else 2418 #endif 2419 #ifdef INET6 2420 if (addr->sa_family == AF_INET6) { 2421 struct sockaddr_in6 *sin6; 2422 2423 sin6 = (struct sockaddr_in6 *)addr; 2424 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2425 error = EINVAL; 2426 SCTP_TCB_UNLOCK(stcb); 2427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2428 break; 2429 } 2430 } else 2431 #endif 2432 { 2433 error = EAFNOSUPPORT; 2434 SCTP_TCB_UNLOCK(stcb); 2435 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2436 break; 2437 } 2438 } 2439 if (stcb != NULL) { 2440 /* Applies to the specific association */ 2441 paddrp->spp_flags = 0; 2442 if (net != NULL) { 2443 paddrp->spp_hbinterval = net->heart_beat_delay; 2444 paddrp->spp_pathmaxrxt = net->failure_threshold; 2445 paddrp->spp_pathmtu = net->mtu; 2446 switch (net->ro._l_addr.sa.sa_family) { 2447 #ifdef INET 2448 case AF_INET: 2449 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2450 break; 2451 #endif 2452 #ifdef INET6 2453 case AF_INET6: 2454 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2455 break; 2456 #endif 2457 default: 2458 break; 2459 } 2460 /* get flags for HB */ 2461 if (net->dest_state & SCTP_ADDR_NOHB) { 2462 paddrp->spp_flags |= SPP_HB_DISABLE; 2463 } else { 2464 paddrp->spp_flags |= SPP_HB_ENABLE; 2465 } 2466 /* get flags for PMTU */ 2467 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2468 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2469 } else { 2470 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2471 } 2472 if (net->dscp & 0x01) { 2473 paddrp->spp_dscp = net->dscp & 0xfc; 2474 paddrp->spp_flags |= SPP_DSCP; 2475 } 2476 #ifdef INET6 2477 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2478 (net->flowlabel & 0x80000000)) { 2479 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2480 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2481 } 2482 #endif 2483 } else { 2484 /* 2485 * No destination so return default 2486 * value 2487 */ 2488 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2489 paddrp->spp_pathmtu = 0; 2490 if (stcb->asoc.default_dscp & 0x01) { 2491 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2492 paddrp->spp_flags |= SPP_DSCP; 2493 } 2494 #ifdef INET6 2495 if (stcb->asoc.default_flowlabel & 0x80000000) { 2496 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2497 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2498 } 2499 #endif 2500 /* default settings should be these */ 2501 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2502 paddrp->spp_flags |= SPP_HB_DISABLE; 2503 } else { 2504 paddrp->spp_flags |= SPP_HB_ENABLE; 2505 } 2506 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2507 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2508 } else { 2509 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2510 } 2511 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2512 } 2513 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2514 SCTP_TCB_UNLOCK(stcb); 2515 } else { 2516 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2517 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2518 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2519 /* Use endpoint defaults */ 2520 SCTP_INP_RLOCK(inp); 2521 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2522 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2523 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2524 /* get inp's default */ 2525 if (inp->sctp_ep.default_dscp & 0x01) { 2526 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2527 paddrp->spp_flags |= SPP_DSCP; 2528 } 2529 #ifdef INET6 2530 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2531 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2532 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2533 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2534 } 2535 #endif 2536 /* can't return this */ 2537 paddrp->spp_pathmtu = 0; 2538 2539 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2540 paddrp->spp_flags |= SPP_HB_ENABLE; 2541 } else { 2542 paddrp->spp_flags |= SPP_HB_DISABLE; 2543 } 2544 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2545 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2546 } else { 2547 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2548 } 2549 SCTP_INP_RUNLOCK(inp); 2550 } else { 2551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2552 error = EINVAL; 2553 } 2554 } 2555 if (error == 0) { 2556 *optsize = sizeof(struct sctp_paddrparams); 2557 } 2558 break; 2559 } 2560 case SCTP_GET_PEER_ADDR_INFO: 2561 { 2562 struct sctp_paddrinfo *paddri; 2563 struct sctp_nets *net; 2564 struct sockaddr *addr; 2565 2566 #if defined(INET) && defined(INET6) 2567 struct sockaddr_in sin_store; 2568 2569 #endif 2570 2571 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2572 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2573 2574 #if defined(INET) && defined(INET6) 2575 if (paddri->spinfo_address.ss_family == AF_INET6) { 2576 struct sockaddr_in6 *sin6; 2577 2578 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2579 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2580 in6_sin6_2_sin(&sin_store, sin6); 2581 addr = (struct sockaddr *)&sin_store; 2582 } else { 2583 addr = (struct sockaddr *)&paddri->spinfo_address; 2584 } 2585 } else { 2586 addr = (struct sockaddr *)&paddri->spinfo_address; 2587 } 2588 #else 2589 addr = (struct sockaddr *)&paddri->spinfo_address; 2590 #endif 2591 if (stcb != NULL) { 2592 net = sctp_findnet(stcb, addr); 2593 } else { 2594 /* 2595 * We increment here since 2596 * sctp_findassociation_ep_addr() wil do a 2597 * decrement if it finds the stcb as long as 2598 * the locked tcb (last argument) is NOT a 2599 * TCB.. aka NULL. 2600 */ 2601 net = NULL; 2602 SCTP_INP_INCR_REF(inp); 2603 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2604 if (stcb == NULL) { 2605 SCTP_INP_DECR_REF(inp); 2606 } 2607 } 2608 2609 if ((stcb != NULL) && (net != NULL)) { 2610 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2611 /* It's unconfirmed */ 2612 paddri->spinfo_state = SCTP_UNCONFIRMED; 2613 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2614 /* It's active */ 2615 paddri->spinfo_state = SCTP_ACTIVE; 2616 } else { 2617 /* It's inactive */ 2618 paddri->spinfo_state = SCTP_INACTIVE; 2619 } 2620 paddri->spinfo_cwnd = net->cwnd; 2621 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2622 paddri->spinfo_rto = net->RTO; 2623 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2624 paddri->spinfo_mtu = net->mtu; 2625 switch (addr->sa_family) { 2626 #if defined(INET) 2627 case AF_INET: 2628 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2629 break; 2630 #endif 2631 #if defined(INET6) 2632 case AF_INET6: 2633 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2634 break; 2635 #endif 2636 default: 2637 break; 2638 } 2639 SCTP_TCB_UNLOCK(stcb); 2640 *optsize = sizeof(struct sctp_paddrinfo); 2641 } else { 2642 if (stcb != NULL) { 2643 SCTP_TCB_UNLOCK(stcb); 2644 } 2645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2646 error = ENOENT; 2647 } 2648 break; 2649 } 2650 case SCTP_PCB_STATUS: 2651 { 2652 struct sctp_pcbinfo *spcb; 2653 2654 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2655 sctp_fill_pcbinfo(spcb); 2656 *optsize = sizeof(struct sctp_pcbinfo); 2657 break; 2658 } 2659 case SCTP_STATUS: 2660 { 2661 struct sctp_nets *net; 2662 struct sctp_status *sstat; 2663 2664 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2665 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2666 2667 if (stcb == NULL) { 2668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2669 error = EINVAL; 2670 break; 2671 } 2672 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2673 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2674 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2675 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2676 /* 2677 * We can't include chunks that have been passed to 2678 * the socket layer. Only things in queue. 2679 */ 2680 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2681 stcb->asoc.cnt_on_all_streams); 2682 2683 2684 sstat->sstat_instrms = stcb->asoc.streamincnt; 2685 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2686 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2687 memcpy(&sstat->sstat_primary.spinfo_address, 2688 &stcb->asoc.primary_destination->ro._l_addr, 2689 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2690 net = stcb->asoc.primary_destination; 2691 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2692 /* 2693 * Again the user can get info from sctp_constants.h 2694 * for what the state of the network is. 2695 */ 2696 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2697 /* It's unconfirmed */ 2698 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2699 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2700 /* It's active */ 2701 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2702 } else { 2703 /* It's inactive */ 2704 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2705 } 2706 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2707 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2708 sstat->sstat_primary.spinfo_rto = net->RTO; 2709 sstat->sstat_primary.spinfo_mtu = net->mtu; 2710 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2711 #if defined(INET) 2712 case AF_INET: 2713 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2714 break; 2715 #endif 2716 #if defined(INET6) 2717 case AF_INET6: 2718 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2719 break; 2720 #endif 2721 default: 2722 break; 2723 } 2724 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2725 SCTP_TCB_UNLOCK(stcb); 2726 *optsize = sizeof(struct sctp_status); 2727 break; 2728 } 2729 case SCTP_RTOINFO: 2730 { 2731 struct sctp_rtoinfo *srto; 2732 2733 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2734 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2735 2736 if (stcb) { 2737 srto->srto_initial = stcb->asoc.initial_rto; 2738 srto->srto_max = stcb->asoc.maxrto; 2739 srto->srto_min = stcb->asoc.minrto; 2740 SCTP_TCB_UNLOCK(stcb); 2741 } else { 2742 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2743 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2744 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2745 SCTP_INP_RLOCK(inp); 2746 srto->srto_initial = inp->sctp_ep.initial_rto; 2747 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2748 srto->srto_min = inp->sctp_ep.sctp_minrto; 2749 SCTP_INP_RUNLOCK(inp); 2750 } else { 2751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2752 error = EINVAL; 2753 } 2754 } 2755 if (error == 0) { 2756 *optsize = sizeof(struct sctp_rtoinfo); 2757 } 2758 break; 2759 } 2760 case SCTP_TIMEOUTS: 2761 { 2762 struct sctp_timeouts *stimo; 2763 2764 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2765 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2766 2767 if (stcb) { 2768 stimo->stimo_init = stcb->asoc.timoinit; 2769 stimo->stimo_data = stcb->asoc.timodata; 2770 stimo->stimo_sack = stcb->asoc.timosack; 2771 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2772 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2773 stimo->stimo_cookie = stcb->asoc.timocookie; 2774 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2775 SCTP_TCB_UNLOCK(stcb); 2776 *optsize = sizeof(struct sctp_timeouts); 2777 } else { 2778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2779 error = EINVAL; 2780 } 2781 break; 2782 } 2783 case SCTP_ASSOCINFO: 2784 { 2785 struct sctp_assocparams *sasoc; 2786 2787 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2788 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2789 2790 if (stcb) { 2791 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2792 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2793 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2794 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2795 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2796 SCTP_TCB_UNLOCK(stcb); 2797 } else { 2798 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2799 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2800 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2801 SCTP_INP_RLOCK(inp); 2802 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2803 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2804 sasoc->sasoc_number_peer_destinations = 0; 2805 sasoc->sasoc_peer_rwnd = 0; 2806 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2807 SCTP_INP_RUNLOCK(inp); 2808 } else { 2809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2810 error = EINVAL; 2811 } 2812 } 2813 if (error == 0) { 2814 *optsize = sizeof(struct sctp_assocparams); 2815 } 2816 break; 2817 } 2818 case SCTP_DEFAULT_SEND_PARAM: 2819 { 2820 struct sctp_sndrcvinfo *s_info; 2821 2822 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2823 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2824 2825 if (stcb) { 2826 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2827 SCTP_TCB_UNLOCK(stcb); 2828 } else { 2829 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2830 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2831 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2832 SCTP_INP_RLOCK(inp); 2833 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2834 SCTP_INP_RUNLOCK(inp); 2835 } else { 2836 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2837 error = EINVAL; 2838 } 2839 } 2840 if (error == 0) { 2841 *optsize = sizeof(struct sctp_sndrcvinfo); 2842 } 2843 break; 2844 } 2845 case SCTP_INITMSG: 2846 { 2847 struct sctp_initmsg *sinit; 2848 2849 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2850 SCTP_INP_RLOCK(inp); 2851 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2852 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2853 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2854 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2855 SCTP_INP_RUNLOCK(inp); 2856 *optsize = sizeof(struct sctp_initmsg); 2857 break; 2858 } 2859 case SCTP_PRIMARY_ADDR: 2860 /* we allow a "get" operation on this */ 2861 { 2862 struct sctp_setprim *ssp; 2863 2864 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2865 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2866 2867 if (stcb) { 2868 union sctp_sockstore *addr; 2869 2870 addr = &stcb->asoc.primary_destination->ro._l_addr; 2871 switch (addr->sa.sa_family) { 2872 #ifdef INET 2873 case AF_INET: 2874 #ifdef INET6 2875 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2876 in6_sin_2_v4mapsin6(&addr->sin, 2877 (struct sockaddr_in6 *)&ssp->ssp_addr); 2878 } else { 2879 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2880 } 2881 #else 2882 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2883 #endif 2884 break; 2885 #endif 2886 #ifdef INET6 2887 case AF_INET6: 2888 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2889 break; 2890 #endif 2891 default: 2892 break; 2893 } 2894 SCTP_TCB_UNLOCK(stcb); 2895 *optsize = sizeof(struct sctp_setprim); 2896 } else { 2897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2898 error = EINVAL; 2899 } 2900 break; 2901 } 2902 case SCTP_HMAC_IDENT: 2903 { 2904 struct sctp_hmacalgo *shmac; 2905 sctp_hmaclist_t *hmaclist; 2906 uint32_t size; 2907 int i; 2908 2909 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2910 2911 SCTP_INP_RLOCK(inp); 2912 hmaclist = inp->sctp_ep.local_hmacs; 2913 if (hmaclist == NULL) { 2914 /* no HMACs to return */ 2915 *optsize = sizeof(*shmac); 2916 SCTP_INP_RUNLOCK(inp); 2917 break; 2918 } 2919 /* is there room for all of the hmac ids? */ 2920 size = sizeof(*shmac) + (hmaclist->num_algo * 2921 sizeof(shmac->shmac_idents[0])); 2922 if ((size_t)(*optsize) < size) { 2923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2924 error = EINVAL; 2925 SCTP_INP_RUNLOCK(inp); 2926 break; 2927 } 2928 /* copy in the list */ 2929 shmac->shmac_number_of_idents = hmaclist->num_algo; 2930 for (i = 0; i < hmaclist->num_algo; i++) { 2931 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2932 } 2933 SCTP_INP_RUNLOCK(inp); 2934 *optsize = size; 2935 break; 2936 } 2937 case SCTP_AUTH_ACTIVE_KEY: 2938 { 2939 struct sctp_authkeyid *scact; 2940 2941 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2942 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2943 2944 if (stcb) { 2945 /* get the active key on the assoc */ 2946 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2947 SCTP_TCB_UNLOCK(stcb); 2948 } else { 2949 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2950 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2951 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2952 /* get the endpoint active key */ 2953 SCTP_INP_RLOCK(inp); 2954 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2955 SCTP_INP_RUNLOCK(inp); 2956 } else { 2957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2958 error = EINVAL; 2959 } 2960 } 2961 if (error == 0) { 2962 *optsize = sizeof(struct sctp_authkeyid); 2963 } 2964 break; 2965 } 2966 case SCTP_LOCAL_AUTH_CHUNKS: 2967 { 2968 struct sctp_authchunks *sac; 2969 sctp_auth_chklist_t *chklist = NULL; 2970 size_t size = 0; 2971 2972 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2973 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2974 2975 if (stcb) { 2976 /* get off the assoc */ 2977 chklist = stcb->asoc.local_auth_chunks; 2978 /* is there enough space? */ 2979 size = sctp_auth_get_chklist_size(chklist); 2980 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2981 error = EINVAL; 2982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2983 } else { 2984 /* copy in the chunks */ 2985 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2986 sac->gauth_number_of_chunks = (uint32_t) size; 2987 *optsize = sizeof(struct sctp_authchunks) + size; 2988 } 2989 SCTP_TCB_UNLOCK(stcb); 2990 } else { 2991 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2992 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2993 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2994 /* get off the endpoint */ 2995 SCTP_INP_RLOCK(inp); 2996 chklist = inp->sctp_ep.local_auth_chunks; 2997 /* is there enough space? */ 2998 size = sctp_auth_get_chklist_size(chklist); 2999 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3000 error = EINVAL; 3001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3002 } else { 3003 /* copy in the chunks */ 3004 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3005 sac->gauth_number_of_chunks = (uint32_t) size; 3006 *optsize = sizeof(struct sctp_authchunks) + size; 3007 } 3008 SCTP_INP_RUNLOCK(inp); 3009 } else { 3010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3011 error = EINVAL; 3012 } 3013 } 3014 break; 3015 } 3016 case SCTP_PEER_AUTH_CHUNKS: 3017 { 3018 struct sctp_authchunks *sac; 3019 sctp_auth_chklist_t *chklist = NULL; 3020 size_t size = 0; 3021 3022 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 3023 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 3024 3025 if (stcb) { 3026 /* get off the assoc */ 3027 chklist = stcb->asoc.peer_auth_chunks; 3028 /* is there enough space? */ 3029 size = sctp_auth_get_chklist_size(chklist); 3030 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3031 error = EINVAL; 3032 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3033 } else { 3034 /* copy in the chunks */ 3035 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3036 sac->gauth_number_of_chunks = (uint32_t) size; 3037 *optsize = sizeof(struct sctp_authchunks) + size; 3038 } 3039 SCTP_TCB_UNLOCK(stcb); 3040 } else { 3041 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3042 error = ENOENT; 3043 } 3044 break; 3045 } 3046 case SCTP_EVENT: 3047 { 3048 struct sctp_event *event; 3049 uint32_t event_type; 3050 3051 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3052 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3053 3054 switch (event->se_type) { 3055 case SCTP_ASSOC_CHANGE: 3056 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3057 break; 3058 case SCTP_PEER_ADDR_CHANGE: 3059 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3060 break; 3061 case SCTP_REMOTE_ERROR: 3062 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3063 break; 3064 case SCTP_SEND_FAILED: 3065 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3066 break; 3067 case SCTP_SHUTDOWN_EVENT: 3068 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3069 break; 3070 case SCTP_ADAPTATION_INDICATION: 3071 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3072 break; 3073 case SCTP_PARTIAL_DELIVERY_EVENT: 3074 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3075 break; 3076 case SCTP_AUTHENTICATION_EVENT: 3077 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3078 break; 3079 case SCTP_STREAM_RESET_EVENT: 3080 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3081 break; 3082 case SCTP_SENDER_DRY_EVENT: 3083 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3084 break; 3085 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3086 event_type = 0; 3087 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3088 error = ENOTSUP; 3089 break; 3090 case SCTP_ASSOC_RESET_EVENT: 3091 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3092 break; 3093 case SCTP_STREAM_CHANGE_EVENT: 3094 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3095 break; 3096 case SCTP_SEND_FAILED_EVENT: 3097 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3098 break; 3099 default: 3100 event_type = 0; 3101 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3102 error = EINVAL; 3103 break; 3104 } 3105 if (event_type > 0) { 3106 if (stcb) { 3107 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3108 SCTP_TCB_UNLOCK(stcb); 3109 } else { 3110 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3111 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3112 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3113 SCTP_INP_RLOCK(inp); 3114 event->se_on = sctp_is_feature_on(inp, event_type); 3115 SCTP_INP_RUNLOCK(inp); 3116 } else { 3117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3118 error = EINVAL; 3119 } 3120 } 3121 } 3122 if (error == 0) { 3123 *optsize = sizeof(struct sctp_event); 3124 } 3125 break; 3126 } 3127 case SCTP_RECVRCVINFO: 3128 { 3129 int onoff; 3130 3131 if (*optsize < sizeof(int)) { 3132 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3133 error = EINVAL; 3134 } else { 3135 SCTP_INP_RLOCK(inp); 3136 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3137 SCTP_INP_RUNLOCK(inp); 3138 } 3139 if (error == 0) { 3140 /* return the option value */ 3141 *(int *)optval = onoff; 3142 *optsize = sizeof(int); 3143 } 3144 break; 3145 } 3146 case SCTP_RECVNXTINFO: 3147 { 3148 int onoff; 3149 3150 if (*optsize < sizeof(int)) { 3151 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3152 error = EINVAL; 3153 } else { 3154 SCTP_INP_RLOCK(inp); 3155 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3156 SCTP_INP_RUNLOCK(inp); 3157 } 3158 if (error == 0) { 3159 /* return the option value */ 3160 *(int *)optval = onoff; 3161 *optsize = sizeof(int); 3162 } 3163 break; 3164 } 3165 case SCTP_DEFAULT_SNDINFO: 3166 { 3167 struct sctp_sndinfo *info; 3168 3169 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3170 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3171 3172 if (stcb) { 3173 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3174 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3175 info->snd_flags &= 0xfff0; 3176 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3177 info->snd_context = stcb->asoc.def_send.sinfo_context; 3178 SCTP_TCB_UNLOCK(stcb); 3179 } else { 3180 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3181 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3182 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3183 SCTP_INP_RLOCK(inp); 3184 info->snd_sid = inp->def_send.sinfo_stream; 3185 info->snd_flags = inp->def_send.sinfo_flags; 3186 info->snd_flags &= 0xfff0; 3187 info->snd_ppid = inp->def_send.sinfo_ppid; 3188 info->snd_context = inp->def_send.sinfo_context; 3189 SCTP_INP_RUNLOCK(inp); 3190 } else { 3191 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3192 error = EINVAL; 3193 } 3194 } 3195 if (error == 0) { 3196 *optsize = sizeof(struct sctp_sndinfo); 3197 } 3198 break; 3199 } 3200 case SCTP_DEFAULT_PRINFO: 3201 { 3202 struct sctp_default_prinfo *info; 3203 3204 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3205 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3206 3207 if (stcb) { 3208 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3209 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3210 SCTP_TCB_UNLOCK(stcb); 3211 } else { 3212 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3213 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3214 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3215 SCTP_INP_RLOCK(inp); 3216 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3217 info->pr_value = inp->def_send.sinfo_timetolive; 3218 SCTP_INP_RUNLOCK(inp); 3219 } else { 3220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3221 error = EINVAL; 3222 } 3223 } 3224 if (error == 0) { 3225 *optsize = sizeof(struct sctp_default_prinfo); 3226 } 3227 break; 3228 } 3229 case SCTP_PEER_ADDR_THLDS: 3230 { 3231 struct sctp_paddrthlds *thlds; 3232 struct sctp_nets *net; 3233 struct sockaddr *addr; 3234 3235 #if defined(INET) && defined(INET6) 3236 struct sockaddr_in sin_store; 3237 3238 #endif 3239 3240 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3241 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3242 3243 #if defined(INET) && defined(INET6) 3244 if (thlds->spt_address.ss_family == AF_INET6) { 3245 struct sockaddr_in6 *sin6; 3246 3247 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3248 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3249 in6_sin6_2_sin(&sin_store, sin6); 3250 addr = (struct sockaddr *)&sin_store; 3251 } else { 3252 addr = (struct sockaddr *)&thlds->spt_address; 3253 } 3254 } else { 3255 addr = (struct sockaddr *)&thlds->spt_address; 3256 } 3257 #else 3258 addr = (struct sockaddr *)&thlds->spt_address; 3259 #endif 3260 if (stcb != NULL) { 3261 net = sctp_findnet(stcb, addr); 3262 } else { 3263 /* 3264 * We increment here since 3265 * sctp_findassociation_ep_addr() wil do a 3266 * decrement if it finds the stcb as long as 3267 * the locked tcb (last argument) is NOT a 3268 * TCB.. aka NULL. 3269 */ 3270 net = NULL; 3271 SCTP_INP_INCR_REF(inp); 3272 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3273 if (stcb == NULL) { 3274 SCTP_INP_DECR_REF(inp); 3275 } 3276 } 3277 if ((stcb != NULL) && (net == NULL)) { 3278 #ifdef INET 3279 if (addr->sa_family == AF_INET) { 3280 struct sockaddr_in *sin; 3281 3282 sin = (struct sockaddr_in *)addr; 3283 if (sin->sin_addr.s_addr != INADDR_ANY) { 3284 error = EINVAL; 3285 SCTP_TCB_UNLOCK(stcb); 3286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3287 break; 3288 } 3289 } else 3290 #endif 3291 #ifdef INET6 3292 if (addr->sa_family == AF_INET6) { 3293 struct sockaddr_in6 *sin6; 3294 3295 sin6 = (struct sockaddr_in6 *)addr; 3296 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3297 error = EINVAL; 3298 SCTP_TCB_UNLOCK(stcb); 3299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3300 break; 3301 } 3302 } else 3303 #endif 3304 { 3305 error = EAFNOSUPPORT; 3306 SCTP_TCB_UNLOCK(stcb); 3307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3308 break; 3309 } 3310 } 3311 if (stcb != NULL) { 3312 if (net != NULL) { 3313 thlds->spt_pathmaxrxt = net->failure_threshold; 3314 thlds->spt_pathpfthld = net->pf_threshold; 3315 } else { 3316 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3317 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3318 } 3319 thlds->spt_assoc_id = sctp_get_associd(stcb); 3320 SCTP_TCB_UNLOCK(stcb); 3321 } else { 3322 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3323 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3324 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3325 /* Use endpoint defaults */ 3326 SCTP_INP_RLOCK(inp); 3327 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3328 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3329 SCTP_INP_RUNLOCK(inp); 3330 } else { 3331 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3332 error = EINVAL; 3333 } 3334 } 3335 if (error == 0) { 3336 *optsize = sizeof(struct sctp_paddrthlds); 3337 } 3338 break; 3339 } 3340 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3341 { 3342 struct sctp_udpencaps *encaps; 3343 struct sctp_nets *net; 3344 struct sockaddr *addr; 3345 3346 #if defined(INET) && defined(INET6) 3347 struct sockaddr_in sin_store; 3348 3349 #endif 3350 3351 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3352 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3353 3354 #if defined(INET) && defined(INET6) 3355 if (encaps->sue_address.ss_family == AF_INET6) { 3356 struct sockaddr_in6 *sin6; 3357 3358 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3359 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3360 in6_sin6_2_sin(&sin_store, sin6); 3361 addr = (struct sockaddr *)&sin_store; 3362 } else { 3363 addr = (struct sockaddr *)&encaps->sue_address; 3364 } 3365 } else { 3366 addr = (struct sockaddr *)&encaps->sue_address; 3367 } 3368 #else 3369 addr = (struct sockaddr *)&encaps->sue_address; 3370 #endif 3371 if (stcb) { 3372 net = sctp_findnet(stcb, addr); 3373 } else { 3374 /* 3375 * We increment here since 3376 * sctp_findassociation_ep_addr() wil do a 3377 * decrement if it finds the stcb as long as 3378 * the locked tcb (last argument) is NOT a 3379 * TCB.. aka NULL. 3380 */ 3381 net = NULL; 3382 SCTP_INP_INCR_REF(inp); 3383 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3384 if (stcb == NULL) { 3385 SCTP_INP_DECR_REF(inp); 3386 } 3387 } 3388 if ((stcb != NULL) && (net == NULL)) { 3389 #ifdef INET 3390 if (addr->sa_family == AF_INET) { 3391 struct sockaddr_in *sin; 3392 3393 sin = (struct sockaddr_in *)addr; 3394 if (sin->sin_addr.s_addr != INADDR_ANY) { 3395 error = EINVAL; 3396 SCTP_TCB_UNLOCK(stcb); 3397 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3398 break; 3399 } 3400 } else 3401 #endif 3402 #ifdef INET6 3403 if (addr->sa_family == AF_INET6) { 3404 struct sockaddr_in6 *sin6; 3405 3406 sin6 = (struct sockaddr_in6 *)addr; 3407 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3408 error = EINVAL; 3409 SCTP_TCB_UNLOCK(stcb); 3410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3411 break; 3412 } 3413 } else 3414 #endif 3415 { 3416 error = EAFNOSUPPORT; 3417 SCTP_TCB_UNLOCK(stcb); 3418 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3419 break; 3420 } 3421 } 3422 if (stcb != NULL) { 3423 if (net) { 3424 encaps->sue_port = net->port; 3425 } else { 3426 encaps->sue_port = stcb->asoc.port; 3427 } 3428 SCTP_TCB_UNLOCK(stcb); 3429 } else { 3430 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3431 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3432 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3433 SCTP_INP_RLOCK(inp); 3434 encaps->sue_port = inp->sctp_ep.port; 3435 SCTP_INP_RUNLOCK(inp); 3436 } else { 3437 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3438 error = EINVAL; 3439 } 3440 } 3441 if (error == 0) { 3442 *optsize = sizeof(struct sctp_udpencaps); 3443 } 3444 break; 3445 } 3446 case SCTP_ECN_SUPPORTED: 3447 { 3448 struct sctp_assoc_value *av; 3449 3450 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3451 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3452 3453 if (stcb) { 3454 av->assoc_value = stcb->asoc.ecn_supported; 3455 SCTP_TCB_UNLOCK(stcb); 3456 } else { 3457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3458 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3459 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3460 SCTP_INP_RLOCK(inp); 3461 av->assoc_value = inp->ecn_supported; 3462 SCTP_INP_RUNLOCK(inp); 3463 } else { 3464 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3465 error = EINVAL; 3466 } 3467 } 3468 if (error == 0) { 3469 *optsize = sizeof(struct sctp_assoc_value); 3470 } 3471 break; 3472 } 3473 case SCTP_PR_SUPPORTED: 3474 { 3475 struct sctp_assoc_value *av; 3476 3477 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3478 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3479 3480 if (stcb) { 3481 av->assoc_value = stcb->asoc.prsctp_supported; 3482 SCTP_TCB_UNLOCK(stcb); 3483 } else { 3484 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3485 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3486 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3487 SCTP_INP_RLOCK(inp); 3488 av->assoc_value = inp->prsctp_supported; 3489 SCTP_INP_RUNLOCK(inp); 3490 } else { 3491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3492 error = EINVAL; 3493 } 3494 } 3495 if (error == 0) { 3496 *optsize = sizeof(struct sctp_assoc_value); 3497 } 3498 break; 3499 } 3500 case SCTP_AUTH_SUPPORTED: 3501 { 3502 struct sctp_assoc_value *av; 3503 3504 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3505 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3506 3507 if (stcb) { 3508 av->assoc_value = stcb->asoc.auth_supported; 3509 SCTP_TCB_UNLOCK(stcb); 3510 } else { 3511 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3512 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3513 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3514 SCTP_INP_RLOCK(inp); 3515 av->assoc_value = inp->auth_supported; 3516 SCTP_INP_RUNLOCK(inp); 3517 } else { 3518 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3519 error = EINVAL; 3520 } 3521 } 3522 if (error == 0) { 3523 *optsize = sizeof(struct sctp_assoc_value); 3524 } 3525 break; 3526 } 3527 case SCTP_ASCONF_SUPPORTED: 3528 { 3529 struct sctp_assoc_value *av; 3530 3531 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3532 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3533 3534 if (stcb) { 3535 av->assoc_value = stcb->asoc.asconf_supported; 3536 SCTP_TCB_UNLOCK(stcb); 3537 } else { 3538 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3539 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3540 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3541 SCTP_INP_RLOCK(inp); 3542 av->assoc_value = inp->asconf_supported; 3543 SCTP_INP_RUNLOCK(inp); 3544 } else { 3545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3546 error = EINVAL; 3547 } 3548 } 3549 if (error == 0) { 3550 *optsize = sizeof(struct sctp_assoc_value); 3551 } 3552 break; 3553 } 3554 case SCTP_RECONFIG_SUPPORTED: 3555 { 3556 struct sctp_assoc_value *av; 3557 3558 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3559 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3560 3561 if (stcb) { 3562 av->assoc_value = stcb->asoc.reconfig_supported; 3563 SCTP_TCB_UNLOCK(stcb); 3564 } else { 3565 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3566 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3567 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3568 SCTP_INP_RLOCK(inp); 3569 av->assoc_value = inp->reconfig_supported; 3570 SCTP_INP_RUNLOCK(inp); 3571 } else { 3572 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3573 error = EINVAL; 3574 } 3575 } 3576 if (error == 0) { 3577 *optsize = sizeof(struct sctp_assoc_value); 3578 } 3579 break; 3580 } 3581 case SCTP_NRSACK_SUPPORTED: 3582 { 3583 struct sctp_assoc_value *av; 3584 3585 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3586 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3587 3588 if (stcb) { 3589 av->assoc_value = stcb->asoc.nrsack_supported; 3590 SCTP_TCB_UNLOCK(stcb); 3591 } else { 3592 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3593 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3594 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3595 SCTP_INP_RLOCK(inp); 3596 av->assoc_value = inp->nrsack_supported; 3597 SCTP_INP_RUNLOCK(inp); 3598 } else { 3599 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3600 error = EINVAL; 3601 } 3602 } 3603 if (error == 0) { 3604 *optsize = sizeof(struct sctp_assoc_value); 3605 } 3606 break; 3607 } 3608 case SCTP_PKTDROP_SUPPORTED: 3609 { 3610 struct sctp_assoc_value *av; 3611 3612 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3613 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3614 3615 if (stcb) { 3616 av->assoc_value = stcb->asoc.pktdrop_supported; 3617 SCTP_TCB_UNLOCK(stcb); 3618 } else { 3619 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3620 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3621 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3622 SCTP_INP_RLOCK(inp); 3623 av->assoc_value = inp->pktdrop_supported; 3624 SCTP_INP_RUNLOCK(inp); 3625 } else { 3626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3627 error = EINVAL; 3628 } 3629 } 3630 if (error == 0) { 3631 *optsize = sizeof(struct sctp_assoc_value); 3632 } 3633 break; 3634 } 3635 case SCTP_ENABLE_STREAM_RESET: 3636 { 3637 struct sctp_assoc_value *av; 3638 3639 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3640 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3641 3642 if (stcb) { 3643 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3644 SCTP_TCB_UNLOCK(stcb); 3645 } else { 3646 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3647 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3648 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3649 SCTP_INP_RLOCK(inp); 3650 av->assoc_value = (uint32_t) inp->local_strreset_support; 3651 SCTP_INP_RUNLOCK(inp); 3652 } else { 3653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3654 error = EINVAL; 3655 } 3656 } 3657 if (error == 0) { 3658 *optsize = sizeof(struct sctp_assoc_value); 3659 } 3660 break; 3661 } 3662 case SCTP_PR_STREAM_STATUS: 3663 { 3664 struct sctp_prstatus *sprstat; 3665 uint16_t sid; 3666 uint16_t policy; 3667 3668 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3669 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3670 3671 sid = sprstat->sprstat_sid; 3672 policy = sprstat->sprstat_policy; 3673 #if defined(SCTP_DETAILED_STR_STATS) 3674 if ((stcb != NULL) && 3675 (sid < stcb->asoc.streamoutcnt) && 3676 (policy != SCTP_PR_SCTP_NONE) && 3677 ((policy <= SCTP_PR_SCTP_MAX) || 3678 (policy == SCTP_PR_SCTP_ALL))) { 3679 if (policy == SCTP_PR_SCTP_ALL) { 3680 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3681 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3682 } else { 3683 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3684 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3685 } 3686 #else 3687 if ((stcb != NULL) && 3688 (sid < stcb->asoc.streamoutcnt) && 3689 (policy == SCTP_PR_SCTP_ALL)) { 3690 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3691 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3692 #endif 3693 SCTP_TCB_UNLOCK(stcb); 3694 *optsize = sizeof(struct sctp_prstatus); 3695 } else { 3696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3697 error = EINVAL; 3698 } 3699 break; 3700 } 3701 case SCTP_PR_ASSOC_STATUS: 3702 { 3703 struct sctp_prstatus *sprstat; 3704 uint16_t policy; 3705 3706 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3707 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3708 3709 policy = sprstat->sprstat_policy; 3710 if ((stcb != NULL) && 3711 (policy != SCTP_PR_SCTP_NONE) && 3712 ((policy <= SCTP_PR_SCTP_MAX) || 3713 (policy == SCTP_PR_SCTP_ALL))) { 3714 if (policy == SCTP_PR_SCTP_ALL) { 3715 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3716 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3717 } else { 3718 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3719 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3720 } 3721 SCTP_TCB_UNLOCK(stcb); 3722 *optsize = sizeof(struct sctp_prstatus); 3723 } else { 3724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3725 error = EINVAL; 3726 } 3727 break; 3728 } 3729 case SCTP_MAX_CWND: 3730 { 3731 struct sctp_assoc_value *av; 3732 3733 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3734 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3735 3736 if (stcb) { 3737 av->assoc_value = stcb->asoc.max_cwnd; 3738 SCTP_TCB_UNLOCK(stcb); 3739 } else { 3740 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3741 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3742 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3743 SCTP_INP_RLOCK(inp); 3744 av->assoc_value = inp->max_cwnd; 3745 SCTP_INP_RUNLOCK(inp); 3746 } else { 3747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3748 error = EINVAL; 3749 } 3750 } 3751 if (error == 0) { 3752 *optsize = sizeof(struct sctp_assoc_value); 3753 } 3754 break; 3755 } 3756 default: 3757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3758 error = ENOPROTOOPT; 3759 break; 3760 } /* end switch (sopt->sopt_name) */ 3761 if (error) { 3762 *optsize = 0; 3763 } 3764 return (error); 3765 } 3766 3767 static int 3768 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3769 void *p) 3770 { 3771 int error, set_opt; 3772 uint32_t *mopt; 3773 struct sctp_tcb *stcb = NULL; 3774 struct sctp_inpcb *inp = NULL; 3775 uint32_t vrf_id; 3776 3777 if (optval == NULL) { 3778 SCTP_PRINTF("optval is NULL\n"); 3779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3780 return (EINVAL); 3781 } 3782 inp = (struct sctp_inpcb *)so->so_pcb; 3783 if (inp == NULL) { 3784 SCTP_PRINTF("inp is NULL?\n"); 3785 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3786 return (EINVAL); 3787 } 3788 vrf_id = inp->def_vrf_id; 3789 3790 error = 0; 3791 switch (optname) { 3792 case SCTP_NODELAY: 3793 case SCTP_AUTOCLOSE: 3794 case SCTP_AUTO_ASCONF: 3795 case SCTP_EXPLICIT_EOR: 3796 case SCTP_DISABLE_FRAGMENTS: 3797 case SCTP_USE_EXT_RCVINFO: 3798 case SCTP_I_WANT_MAPPED_V4_ADDR: 3799 /* copy in the option value */ 3800 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3801 set_opt = 0; 3802 if (error) 3803 break; 3804 switch (optname) { 3805 case SCTP_DISABLE_FRAGMENTS: 3806 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3807 break; 3808 case SCTP_AUTO_ASCONF: 3809 /* 3810 * NOTE: we don't really support this flag 3811 */ 3812 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3813 /* only valid for bound all sockets */ 3814 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3815 (*mopt != 0)) { 3816 /* forbidden by admin */ 3817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3818 return (EPERM); 3819 } 3820 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3821 } else { 3822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3823 return (EINVAL); 3824 } 3825 break; 3826 case SCTP_EXPLICIT_EOR: 3827 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3828 break; 3829 case SCTP_USE_EXT_RCVINFO: 3830 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3831 break; 3832 case SCTP_I_WANT_MAPPED_V4_ADDR: 3833 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3834 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3835 } else { 3836 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3837 return (EINVAL); 3838 } 3839 break; 3840 case SCTP_NODELAY: 3841 set_opt = SCTP_PCB_FLAGS_NODELAY; 3842 break; 3843 case SCTP_AUTOCLOSE: 3844 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3845 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3847 return (EINVAL); 3848 } 3849 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3850 /* 3851 * The value is in ticks. Note this does not effect 3852 * old associations, only new ones. 3853 */ 3854 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3855 break; 3856 } 3857 SCTP_INP_WLOCK(inp); 3858 if (*mopt != 0) { 3859 sctp_feature_on(inp, set_opt); 3860 } else { 3861 sctp_feature_off(inp, set_opt); 3862 } 3863 SCTP_INP_WUNLOCK(inp); 3864 break; 3865 case SCTP_REUSE_PORT: 3866 { 3867 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3868 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3869 /* Can't set it after we are bound */ 3870 error = EINVAL; 3871 break; 3872 } 3873 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3874 /* Can't do this for a 1-m socket */ 3875 error = EINVAL; 3876 break; 3877 } 3878 if (optval) 3879 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3880 else 3881 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3882 break; 3883 } 3884 case SCTP_PARTIAL_DELIVERY_POINT: 3885 { 3886 uint32_t *value; 3887 3888 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3889 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3891 error = EINVAL; 3892 break; 3893 } 3894 inp->partial_delivery_point = *value; 3895 break; 3896 } 3897 case SCTP_FRAGMENT_INTERLEAVE: 3898 /* not yet until we re-write sctp_recvmsg() */ 3899 { 3900 uint32_t *level; 3901 3902 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3903 if (*level == SCTP_FRAG_LEVEL_2) { 3904 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3905 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3906 } else if (*level == SCTP_FRAG_LEVEL_1) { 3907 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3908 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3909 } else if (*level == SCTP_FRAG_LEVEL_0) { 3910 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3911 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3912 3913 } else { 3914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3915 error = EINVAL; 3916 } 3917 break; 3918 } 3919 case SCTP_INTERLEAVING_SUPPORTED: 3920 { 3921 struct sctp_assoc_value *av; 3922 3923 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3924 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3925 3926 if (stcb) { 3927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3928 error = EINVAL; 3929 SCTP_TCB_UNLOCK(stcb); 3930 } else { 3931 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3932 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3933 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3934 SCTP_INP_WLOCK(inp); 3935 if (av->assoc_value == 0) { 3936 inp->idata_supported = 0; 3937 } else { 3938 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3939 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3940 inp->idata_supported = 1; 3941 } else { 3942 /* 3943 * Must have Frag 3944 * interleave and 3945 * stream interleave 3946 * on 3947 */ 3948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3949 error = EINVAL; 3950 } 3951 } 3952 SCTP_INP_WUNLOCK(inp); 3953 } else { 3954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3955 error = EINVAL; 3956 } 3957 } 3958 break; 3959 } 3960 case SCTP_CMT_ON_OFF: 3961 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3962 struct sctp_assoc_value *av; 3963 3964 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3965 if (av->assoc_value > SCTP_CMT_MAX) { 3966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3967 error = EINVAL; 3968 break; 3969 } 3970 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3971 if (stcb) { 3972 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3973 SCTP_TCB_UNLOCK(stcb); 3974 } else { 3975 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3976 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3977 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3978 (av->assoc_id == SCTP_ALL_ASSOC)) { 3979 SCTP_INP_WLOCK(inp); 3980 inp->sctp_cmt_on_off = av->assoc_value; 3981 SCTP_INP_WUNLOCK(inp); 3982 } 3983 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3984 (av->assoc_id == SCTP_ALL_ASSOC)) { 3985 SCTP_INP_RLOCK(inp); 3986 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3987 SCTP_TCB_LOCK(stcb); 3988 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3989 SCTP_TCB_UNLOCK(stcb); 3990 } 3991 SCTP_INP_RUNLOCK(inp); 3992 } 3993 } 3994 } else { 3995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3996 error = ENOPROTOOPT; 3997 } 3998 break; 3999 case SCTP_PLUGGABLE_CC: 4000 { 4001 struct sctp_assoc_value *av; 4002 struct sctp_nets *net; 4003 4004 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4005 if ((av->assoc_value != SCTP_CC_RFC2581) && 4006 (av->assoc_value != SCTP_CC_HSTCP) && 4007 (av->assoc_value != SCTP_CC_HTCP) && 4008 (av->assoc_value != SCTP_CC_RTCC)) { 4009 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4010 error = EINVAL; 4011 break; 4012 } 4013 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4014 if (stcb) { 4015 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4016 stcb->asoc.congestion_control_module = av->assoc_value; 4017 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4018 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4019 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4020 } 4021 } 4022 SCTP_TCB_UNLOCK(stcb); 4023 } else { 4024 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4025 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4026 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4027 (av->assoc_id == SCTP_ALL_ASSOC)) { 4028 SCTP_INP_WLOCK(inp); 4029 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4030 SCTP_INP_WUNLOCK(inp); 4031 } 4032 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4033 (av->assoc_id == SCTP_ALL_ASSOC)) { 4034 SCTP_INP_RLOCK(inp); 4035 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4036 SCTP_TCB_LOCK(stcb); 4037 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4038 stcb->asoc.congestion_control_module = av->assoc_value; 4039 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4040 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4041 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4042 } 4043 } 4044 SCTP_TCB_UNLOCK(stcb); 4045 } 4046 SCTP_INP_RUNLOCK(inp); 4047 } 4048 } 4049 break; 4050 } 4051 case SCTP_CC_OPTION: 4052 { 4053 struct sctp_cc_option *cc_opt; 4054 4055 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4056 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4057 if (stcb == NULL) { 4058 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4059 SCTP_INP_RLOCK(inp); 4060 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4061 SCTP_TCB_LOCK(stcb); 4062 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4063 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4064 } 4065 SCTP_TCB_UNLOCK(stcb); 4066 } 4067 SCTP_INP_RUNLOCK(inp); 4068 } else { 4069 error = EINVAL; 4070 } 4071 } else { 4072 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4073 error = ENOTSUP; 4074 } else { 4075 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4076 cc_opt); 4077 } 4078 SCTP_TCB_UNLOCK(stcb); 4079 } 4080 break; 4081 } 4082 case SCTP_PLUGGABLE_SS: 4083 { 4084 struct sctp_assoc_value *av; 4085 4086 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4087 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4088 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4089 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4090 (av->assoc_value != SCTP_SS_PRIORITY) && 4091 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4092 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4093 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4094 error = EINVAL; 4095 break; 4096 } 4097 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4098 if (stcb) { 4099 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4100 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4101 stcb->asoc.stream_scheduling_module = av->assoc_value; 4102 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4103 SCTP_TCB_UNLOCK(stcb); 4104 } else { 4105 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4106 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4107 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4108 (av->assoc_id == SCTP_ALL_ASSOC)) { 4109 SCTP_INP_WLOCK(inp); 4110 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4111 SCTP_INP_WUNLOCK(inp); 4112 } 4113 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4114 (av->assoc_id == SCTP_ALL_ASSOC)) { 4115 SCTP_INP_RLOCK(inp); 4116 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4117 SCTP_TCB_LOCK(stcb); 4118 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4119 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4120 stcb->asoc.stream_scheduling_module = av->assoc_value; 4121 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4122 SCTP_TCB_UNLOCK(stcb); 4123 } 4124 SCTP_INP_RUNLOCK(inp); 4125 } 4126 } 4127 break; 4128 } 4129 case SCTP_SS_VALUE: 4130 { 4131 struct sctp_stream_value *av; 4132 4133 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4134 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4135 if (stcb) { 4136 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4137 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4138 av->stream_value) < 0)) { 4139 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4140 error = EINVAL; 4141 } 4142 SCTP_TCB_UNLOCK(stcb); 4143 } else { 4144 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4145 SCTP_INP_RLOCK(inp); 4146 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4147 SCTP_TCB_LOCK(stcb); 4148 if (av->stream_id < stcb->asoc.streamoutcnt) { 4149 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4150 &stcb->asoc, 4151 &stcb->asoc.strmout[av->stream_id], 4152 av->stream_value); 4153 } 4154 SCTP_TCB_UNLOCK(stcb); 4155 } 4156 SCTP_INP_RUNLOCK(inp); 4157 } else { 4158 /* 4159 * Can't set stream value without 4160 * association 4161 */ 4162 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4163 error = EINVAL; 4164 } 4165 } 4166 break; 4167 } 4168 case SCTP_CLR_STAT_LOG: 4169 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4170 error = EOPNOTSUPP; 4171 break; 4172 case SCTP_CONTEXT: 4173 { 4174 struct sctp_assoc_value *av; 4175 4176 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4177 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4178 4179 if (stcb) { 4180 stcb->asoc.context = av->assoc_value; 4181 SCTP_TCB_UNLOCK(stcb); 4182 } else { 4183 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4184 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4185 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4186 (av->assoc_id == SCTP_ALL_ASSOC)) { 4187 SCTP_INP_WLOCK(inp); 4188 inp->sctp_context = av->assoc_value; 4189 SCTP_INP_WUNLOCK(inp); 4190 } 4191 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4192 (av->assoc_id == SCTP_ALL_ASSOC)) { 4193 SCTP_INP_RLOCK(inp); 4194 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4195 SCTP_TCB_LOCK(stcb); 4196 stcb->asoc.context = av->assoc_value; 4197 SCTP_TCB_UNLOCK(stcb); 4198 } 4199 SCTP_INP_RUNLOCK(inp); 4200 } 4201 } 4202 break; 4203 } 4204 case SCTP_VRF_ID: 4205 { 4206 uint32_t *default_vrfid; 4207 4208 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4209 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4210 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4211 error = EINVAL; 4212 break; 4213 } 4214 inp->def_vrf_id = *default_vrfid; 4215 break; 4216 } 4217 case SCTP_DEL_VRF_ID: 4218 { 4219 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4220 error = EOPNOTSUPP; 4221 break; 4222 } 4223 case SCTP_ADD_VRF_ID: 4224 { 4225 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4226 error = EOPNOTSUPP; 4227 break; 4228 } 4229 case SCTP_DELAYED_SACK: 4230 { 4231 struct sctp_sack_info *sack; 4232 4233 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4234 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4235 if (sack->sack_delay) { 4236 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4237 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4238 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4239 sack->sack_delay = TICKS_TO_MSEC(1); 4240 } 4241 } 4242 if (stcb) { 4243 if (sack->sack_delay) { 4244 stcb->asoc.delayed_ack = sack->sack_delay; 4245 } 4246 if (sack->sack_freq) { 4247 stcb->asoc.sack_freq = sack->sack_freq; 4248 } 4249 SCTP_TCB_UNLOCK(stcb); 4250 } else { 4251 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4252 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4253 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4254 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4255 SCTP_INP_WLOCK(inp); 4256 if (sack->sack_delay) { 4257 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4258 } 4259 if (sack->sack_freq) { 4260 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4261 } 4262 SCTP_INP_WUNLOCK(inp); 4263 } 4264 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4265 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4266 SCTP_INP_RLOCK(inp); 4267 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4268 SCTP_TCB_LOCK(stcb); 4269 if (sack->sack_delay) { 4270 stcb->asoc.delayed_ack = sack->sack_delay; 4271 } 4272 if (sack->sack_freq) { 4273 stcb->asoc.sack_freq = sack->sack_freq; 4274 } 4275 SCTP_TCB_UNLOCK(stcb); 4276 } 4277 SCTP_INP_RUNLOCK(inp); 4278 } 4279 } 4280 break; 4281 } 4282 case SCTP_AUTH_CHUNK: 4283 { 4284 struct sctp_authchunk *sauth; 4285 4286 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4287 4288 SCTP_INP_WLOCK(inp); 4289 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4291 error = EINVAL; 4292 } 4293 SCTP_INP_WUNLOCK(inp); 4294 break; 4295 } 4296 case SCTP_AUTH_KEY: 4297 { 4298 struct sctp_authkey *sca; 4299 struct sctp_keyhead *shared_keys; 4300 sctp_sharedkey_t *shared_key; 4301 sctp_key_t *key = NULL; 4302 size_t size; 4303 4304 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4305 if (sca->sca_keylength == 0) { 4306 size = optsize - sizeof(struct sctp_authkey); 4307 } else { 4308 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4309 size = sca->sca_keylength; 4310 } else { 4311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4312 error = EINVAL; 4313 break; 4314 } 4315 } 4316 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4317 4318 if (stcb) { 4319 shared_keys = &stcb->asoc.shared_keys; 4320 /* clear the cached keys for this key id */ 4321 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4322 /* 4323 * create the new shared key and 4324 * insert/replace it 4325 */ 4326 if (size > 0) { 4327 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4328 if (key == NULL) { 4329 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4330 error = ENOMEM; 4331 SCTP_TCB_UNLOCK(stcb); 4332 break; 4333 } 4334 } 4335 shared_key = sctp_alloc_sharedkey(); 4336 if (shared_key == NULL) { 4337 sctp_free_key(key); 4338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4339 error = ENOMEM; 4340 SCTP_TCB_UNLOCK(stcb); 4341 break; 4342 } 4343 shared_key->key = key; 4344 shared_key->keyid = sca->sca_keynumber; 4345 error = sctp_insert_sharedkey(shared_keys, shared_key); 4346 SCTP_TCB_UNLOCK(stcb); 4347 } else { 4348 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4349 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4350 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4351 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4352 SCTP_INP_WLOCK(inp); 4353 shared_keys = &inp->sctp_ep.shared_keys; 4354 /* 4355 * clear the cached keys on all 4356 * assocs for this key id 4357 */ 4358 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4359 /* 4360 * create the new shared key and 4361 * 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_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4367 error = ENOMEM; 4368 SCTP_INP_WUNLOCK(inp); 4369 break; 4370 } 4371 } 4372 shared_key = sctp_alloc_sharedkey(); 4373 if (shared_key == NULL) { 4374 sctp_free_key(key); 4375 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4376 error = ENOMEM; 4377 SCTP_INP_WUNLOCK(inp); 4378 break; 4379 } 4380 shared_key->key = key; 4381 shared_key->keyid = sca->sca_keynumber; 4382 error = sctp_insert_sharedkey(shared_keys, shared_key); 4383 SCTP_INP_WUNLOCK(inp); 4384 } 4385 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4386 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4387 SCTP_INP_RLOCK(inp); 4388 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4389 SCTP_TCB_LOCK(stcb); 4390 shared_keys = &stcb->asoc.shared_keys; 4391 /* 4392 * clear the cached keys for 4393 * this key id 4394 */ 4395 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4396 /* 4397 * create the new shared key 4398 * and insert/replace it 4399 */ 4400 if (size > 0) { 4401 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4402 if (key == NULL) { 4403 SCTP_TCB_UNLOCK(stcb); 4404 continue; 4405 } 4406 } 4407 shared_key = sctp_alloc_sharedkey(); 4408 if (shared_key == NULL) { 4409 sctp_free_key(key); 4410 SCTP_TCB_UNLOCK(stcb); 4411 continue; 4412 } 4413 shared_key->key = key; 4414 shared_key->keyid = sca->sca_keynumber; 4415 error = sctp_insert_sharedkey(shared_keys, shared_key); 4416 SCTP_TCB_UNLOCK(stcb); 4417 } 4418 SCTP_INP_RUNLOCK(inp); 4419 } 4420 } 4421 break; 4422 } 4423 case SCTP_HMAC_IDENT: 4424 { 4425 struct sctp_hmacalgo *shmac; 4426 sctp_hmaclist_t *hmaclist; 4427 uint16_t hmacid; 4428 uint32_t i; 4429 4430 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4431 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4432 (shmac->shmac_number_of_idents > 0xffff)) { 4433 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4434 error = EINVAL; 4435 break; 4436 } 4437 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4438 if (hmaclist == NULL) { 4439 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4440 error = ENOMEM; 4441 break; 4442 } 4443 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4444 hmacid = shmac->shmac_idents[i]; 4445 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4446 /* invalid HMACs were found */ ; 4447 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4448 error = EINVAL; 4449 sctp_free_hmaclist(hmaclist); 4450 goto sctp_set_hmac_done; 4451 } 4452 } 4453 for (i = 0; i < hmaclist->num_algo; i++) { 4454 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4455 /* already in list */ 4456 break; 4457 } 4458 } 4459 if (i == hmaclist->num_algo) { 4460 /* not found in list */ 4461 sctp_free_hmaclist(hmaclist); 4462 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4463 error = EINVAL; 4464 break; 4465 } 4466 /* set it on the endpoint */ 4467 SCTP_INP_WLOCK(inp); 4468 if (inp->sctp_ep.local_hmacs) 4469 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4470 inp->sctp_ep.local_hmacs = hmaclist; 4471 SCTP_INP_WUNLOCK(inp); 4472 sctp_set_hmac_done: 4473 break; 4474 } 4475 case SCTP_AUTH_ACTIVE_KEY: 4476 { 4477 struct sctp_authkeyid *scact; 4478 4479 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4480 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4481 4482 /* set the active key on the right place */ 4483 if (stcb) { 4484 /* set the active key on the assoc */ 4485 if (sctp_auth_setactivekey(stcb, 4486 scact->scact_keynumber)) { 4487 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4488 SCTP_FROM_SCTP_USRREQ, 4489 EINVAL); 4490 error = EINVAL; 4491 } 4492 SCTP_TCB_UNLOCK(stcb); 4493 } else { 4494 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4495 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4496 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4497 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4498 SCTP_INP_WLOCK(inp); 4499 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4501 error = EINVAL; 4502 } 4503 SCTP_INP_WUNLOCK(inp); 4504 } 4505 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4506 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4507 SCTP_INP_RLOCK(inp); 4508 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4509 SCTP_TCB_LOCK(stcb); 4510 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4511 SCTP_TCB_UNLOCK(stcb); 4512 } 4513 SCTP_INP_RUNLOCK(inp); 4514 } 4515 } 4516 break; 4517 } 4518 case SCTP_AUTH_DELETE_KEY: 4519 { 4520 struct sctp_authkeyid *scdel; 4521 4522 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4523 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4524 4525 /* delete the key from the right place */ 4526 if (stcb) { 4527 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4529 error = EINVAL; 4530 } 4531 SCTP_TCB_UNLOCK(stcb); 4532 } else { 4533 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4534 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4535 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4536 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4537 SCTP_INP_WLOCK(inp); 4538 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4540 error = EINVAL; 4541 } 4542 SCTP_INP_WUNLOCK(inp); 4543 } 4544 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4545 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4546 SCTP_INP_RLOCK(inp); 4547 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4548 SCTP_TCB_LOCK(stcb); 4549 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4550 SCTP_TCB_UNLOCK(stcb); 4551 } 4552 SCTP_INP_RUNLOCK(inp); 4553 } 4554 } 4555 break; 4556 } 4557 case SCTP_AUTH_DEACTIVATE_KEY: 4558 { 4559 struct sctp_authkeyid *keyid; 4560 4561 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4562 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4563 4564 /* deactivate the key from the right place */ 4565 if (stcb) { 4566 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4567 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4568 error = EINVAL; 4569 } 4570 SCTP_TCB_UNLOCK(stcb); 4571 } else { 4572 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4573 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4574 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4575 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4576 SCTP_INP_WLOCK(inp); 4577 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4578 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4579 error = EINVAL; 4580 } 4581 SCTP_INP_WUNLOCK(inp); 4582 } 4583 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4584 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4585 SCTP_INP_RLOCK(inp); 4586 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4587 SCTP_TCB_LOCK(stcb); 4588 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4589 SCTP_TCB_UNLOCK(stcb); 4590 } 4591 SCTP_INP_RUNLOCK(inp); 4592 } 4593 } 4594 break; 4595 } 4596 case SCTP_ENABLE_STREAM_RESET: 4597 { 4598 struct sctp_assoc_value *av; 4599 4600 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4601 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4602 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4603 error = EINVAL; 4604 break; 4605 } 4606 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4607 if (stcb) { 4608 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4609 SCTP_TCB_UNLOCK(stcb); 4610 } else { 4611 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4612 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4613 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4614 (av->assoc_id == SCTP_ALL_ASSOC)) { 4615 SCTP_INP_WLOCK(inp); 4616 inp->local_strreset_support = (uint8_t) av->assoc_value; 4617 SCTP_INP_WUNLOCK(inp); 4618 } 4619 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4620 (av->assoc_id == SCTP_ALL_ASSOC)) { 4621 SCTP_INP_RLOCK(inp); 4622 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4623 SCTP_TCB_LOCK(stcb); 4624 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4625 SCTP_TCB_UNLOCK(stcb); 4626 } 4627 SCTP_INP_RUNLOCK(inp); 4628 } 4629 } 4630 break; 4631 } 4632 case SCTP_RESET_STREAMS: 4633 { 4634 struct sctp_reset_streams *strrst; 4635 int i, send_out = 0; 4636 int send_in = 0; 4637 4638 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4639 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4640 if (stcb == NULL) { 4641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4642 error = ENOENT; 4643 break; 4644 } 4645 if (stcb->asoc.reconfig_supported == 0) { 4646 /* 4647 * Peer does not support the chunk type. 4648 */ 4649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4650 error = EOPNOTSUPP; 4651 SCTP_TCB_UNLOCK(stcb); 4652 break; 4653 } 4654 if (sizeof(struct sctp_reset_streams) + 4655 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4656 error = EINVAL; 4657 SCTP_TCB_UNLOCK(stcb); 4658 break; 4659 } 4660 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4661 send_in = 1; 4662 if (stcb->asoc.stream_reset_outstanding) { 4663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4664 error = EALREADY; 4665 SCTP_TCB_UNLOCK(stcb); 4666 break; 4667 } 4668 } 4669 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4670 send_out = 1; 4671 } 4672 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4674 error = ENOMEM; 4675 SCTP_TCB_UNLOCK(stcb); 4676 break; 4677 } 4678 if ((send_in == 0) && (send_out == 0)) { 4679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4680 error = EINVAL; 4681 SCTP_TCB_UNLOCK(stcb); 4682 break; 4683 } 4684 for (i = 0; i < strrst->srs_number_streams; i++) { 4685 if ((send_in) && 4686 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4688 error = EINVAL; 4689 break; 4690 } 4691 if ((send_out) && 4692 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4694 error = EINVAL; 4695 break; 4696 } 4697 } 4698 if (error) { 4699 SCTP_TCB_UNLOCK(stcb); 4700 break; 4701 } 4702 if (send_out) { 4703 int cnt; 4704 uint16_t strm; 4705 4706 if (strrst->srs_number_streams) { 4707 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4708 strm = strrst->srs_stream_list[i]; 4709 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4710 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4711 cnt++; 4712 } 4713 } 4714 } else { 4715 /* Its all */ 4716 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4717 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4718 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4719 cnt++; 4720 } 4721 } 4722 } 4723 } 4724 if (send_in) { 4725 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4726 strrst->srs_stream_list, 4727 send_in, 0, 0, 0, 0, 0); 4728 } else { 4729 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4730 } 4731 if (error == 0) { 4732 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4733 } else { 4734 /* 4735 * For outgoing streams don't report any 4736 * problems in sending the request to the 4737 * application. XXX: Double check resetting 4738 * incoming streams. 4739 */ 4740 error = 0; 4741 } 4742 SCTP_TCB_UNLOCK(stcb); 4743 break; 4744 } 4745 case SCTP_ADD_STREAMS: 4746 { 4747 struct sctp_add_streams *stradd; 4748 uint8_t addstream = 0; 4749 uint16_t add_o_strmcnt = 0; 4750 uint16_t add_i_strmcnt = 0; 4751 4752 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4753 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4754 if (stcb == NULL) { 4755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4756 error = ENOENT; 4757 break; 4758 } 4759 if (stcb->asoc.reconfig_supported == 0) { 4760 /* 4761 * Peer does not support the chunk type. 4762 */ 4763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4764 error = EOPNOTSUPP; 4765 SCTP_TCB_UNLOCK(stcb); 4766 break; 4767 } 4768 if (stcb->asoc.stream_reset_outstanding) { 4769 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4770 error = EALREADY; 4771 SCTP_TCB_UNLOCK(stcb); 4772 break; 4773 } 4774 if ((stradd->sas_outstrms == 0) && 4775 (stradd->sas_instrms == 0)) { 4776 error = EINVAL; 4777 goto skip_stuff; 4778 } 4779 if (stradd->sas_outstrms) { 4780 addstream = 1; 4781 /* We allocate here */ 4782 add_o_strmcnt = stradd->sas_outstrms; 4783 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4784 /* You can't have more than 64k */ 4785 error = EINVAL; 4786 goto skip_stuff; 4787 } 4788 } 4789 if (stradd->sas_instrms) { 4790 int cnt; 4791 4792 addstream |= 2; 4793 /* 4794 * We allocate inside 4795 * sctp_send_str_reset_req() 4796 */ 4797 add_i_strmcnt = stradd->sas_instrms; 4798 cnt = add_i_strmcnt; 4799 cnt += stcb->asoc.streamincnt; 4800 if (cnt > 0x0000ffff) { 4801 /* You can't have more than 64k */ 4802 error = EINVAL; 4803 goto skip_stuff; 4804 } 4805 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4806 /* More than you are allowed */ 4807 error = EINVAL; 4808 goto skip_stuff; 4809 } 4810 } 4811 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4812 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4813 skip_stuff: 4814 SCTP_TCB_UNLOCK(stcb); 4815 break; 4816 } 4817 case SCTP_RESET_ASSOC: 4818 { 4819 int i; 4820 uint32_t *value; 4821 4822 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4823 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4824 if (stcb == NULL) { 4825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4826 error = ENOENT; 4827 break; 4828 } 4829 if (stcb->asoc.reconfig_supported == 0) { 4830 /* 4831 * Peer does not support the chunk type. 4832 */ 4833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4834 error = EOPNOTSUPP; 4835 SCTP_TCB_UNLOCK(stcb); 4836 break; 4837 } 4838 if (stcb->asoc.stream_reset_outstanding) { 4839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4840 error = EALREADY; 4841 SCTP_TCB_UNLOCK(stcb); 4842 break; 4843 } 4844 /* 4845 * Is there any data pending in the send or sent 4846 * queues? 4847 */ 4848 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4849 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4850 busy_out: 4851 error = EBUSY; 4852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4853 SCTP_TCB_UNLOCK(stcb); 4854 break; 4855 } 4856 /* Do any streams have data queued? */ 4857 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4858 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4859 goto busy_out; 4860 } 4861 } 4862 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4863 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4864 SCTP_TCB_UNLOCK(stcb); 4865 break; 4866 } 4867 case SCTP_CONNECT_X: 4868 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4870 error = EINVAL; 4871 break; 4872 } 4873 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4874 break; 4875 case SCTP_CONNECT_X_DELAYED: 4876 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4877 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4878 error = EINVAL; 4879 break; 4880 } 4881 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4882 break; 4883 case SCTP_CONNECT_X_COMPLETE: 4884 { 4885 struct sockaddr *sa; 4886 4887 /* FIXME MT: check correct? */ 4888 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4889 4890 /* find tcb */ 4891 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4892 SCTP_INP_RLOCK(inp); 4893 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4894 if (stcb) { 4895 SCTP_TCB_LOCK(stcb); 4896 } 4897 SCTP_INP_RUNLOCK(inp); 4898 } else { 4899 /* 4900 * We increment here since 4901 * sctp_findassociation_ep_addr() wil do a 4902 * decrement if it finds the stcb as long as 4903 * the locked tcb (last argument) is NOT a 4904 * TCB.. aka NULL. 4905 */ 4906 SCTP_INP_INCR_REF(inp); 4907 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4908 if (stcb == NULL) { 4909 SCTP_INP_DECR_REF(inp); 4910 } 4911 } 4912 4913 if (stcb == NULL) { 4914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4915 error = ENOENT; 4916 break; 4917 } 4918 if (stcb->asoc.delayed_connection == 1) { 4919 stcb->asoc.delayed_connection = 0; 4920 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4921 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4922 stcb->asoc.primary_destination, 4923 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4924 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4925 } else { 4926 /* 4927 * already expired or did not use delayed 4928 * connectx 4929 */ 4930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4931 error = EALREADY; 4932 } 4933 SCTP_TCB_UNLOCK(stcb); 4934 break; 4935 } 4936 case SCTP_MAX_BURST: 4937 { 4938 struct sctp_assoc_value *av; 4939 4940 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4941 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4942 4943 if (stcb) { 4944 stcb->asoc.max_burst = av->assoc_value; 4945 SCTP_TCB_UNLOCK(stcb); 4946 } else { 4947 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4948 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4949 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4950 (av->assoc_id == SCTP_ALL_ASSOC)) { 4951 SCTP_INP_WLOCK(inp); 4952 inp->sctp_ep.max_burst = av->assoc_value; 4953 SCTP_INP_WUNLOCK(inp); 4954 } 4955 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4956 (av->assoc_id == SCTP_ALL_ASSOC)) { 4957 SCTP_INP_RLOCK(inp); 4958 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4959 SCTP_TCB_LOCK(stcb); 4960 stcb->asoc.max_burst = av->assoc_value; 4961 SCTP_TCB_UNLOCK(stcb); 4962 } 4963 SCTP_INP_RUNLOCK(inp); 4964 } 4965 } 4966 break; 4967 } 4968 case SCTP_MAXSEG: 4969 { 4970 struct sctp_assoc_value *av; 4971 int ovh; 4972 4973 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4974 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4975 4976 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4977 ovh = SCTP_MED_OVERHEAD; 4978 } else { 4979 ovh = SCTP_MED_V4_OVERHEAD; 4980 } 4981 if (stcb) { 4982 if (av->assoc_value) { 4983 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4984 } else { 4985 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4986 } 4987 SCTP_TCB_UNLOCK(stcb); 4988 } else { 4989 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4990 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4991 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4992 SCTP_INP_WLOCK(inp); 4993 /* 4994 * FIXME MT: I think this is not in 4995 * tune with the API ID 4996 */ 4997 if (av->assoc_value) { 4998 inp->sctp_frag_point = (av->assoc_value + ovh); 4999 } else { 5000 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5001 } 5002 SCTP_INP_WUNLOCK(inp); 5003 } else { 5004 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5005 error = EINVAL; 5006 } 5007 } 5008 break; 5009 } 5010 case SCTP_EVENTS: 5011 { 5012 struct sctp_event_subscribe *events; 5013 5014 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5015 5016 SCTP_INP_WLOCK(inp); 5017 if (events->sctp_data_io_event) { 5018 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5019 } else { 5020 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5021 } 5022 5023 if (events->sctp_association_event) { 5024 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5025 } else { 5026 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5027 } 5028 5029 if (events->sctp_address_event) { 5030 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5031 } else { 5032 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5033 } 5034 5035 if (events->sctp_send_failure_event) { 5036 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5037 } else { 5038 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5039 } 5040 5041 if (events->sctp_peer_error_event) { 5042 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5043 } else { 5044 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5045 } 5046 5047 if (events->sctp_shutdown_event) { 5048 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5049 } else { 5050 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5051 } 5052 5053 if (events->sctp_partial_delivery_event) { 5054 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5055 } else { 5056 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5057 } 5058 5059 if (events->sctp_adaptation_layer_event) { 5060 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5061 } else { 5062 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5063 } 5064 5065 if (events->sctp_authentication_event) { 5066 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5067 } else { 5068 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5069 } 5070 5071 if (events->sctp_sender_dry_event) { 5072 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5073 } else { 5074 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5075 } 5076 5077 if (events->sctp_stream_reset_event) { 5078 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5079 } else { 5080 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5081 } 5082 SCTP_INP_WUNLOCK(inp); 5083 5084 SCTP_INP_RLOCK(inp); 5085 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5086 SCTP_TCB_LOCK(stcb); 5087 if (events->sctp_association_event) { 5088 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5089 } else { 5090 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5091 } 5092 if (events->sctp_address_event) { 5093 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5094 } else { 5095 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5096 } 5097 if (events->sctp_send_failure_event) { 5098 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5099 } else { 5100 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5101 } 5102 if (events->sctp_peer_error_event) { 5103 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5104 } else { 5105 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5106 } 5107 if (events->sctp_shutdown_event) { 5108 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5109 } else { 5110 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5111 } 5112 if (events->sctp_partial_delivery_event) { 5113 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5114 } else { 5115 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5116 } 5117 if (events->sctp_adaptation_layer_event) { 5118 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5119 } else { 5120 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5121 } 5122 if (events->sctp_authentication_event) { 5123 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5124 } else { 5125 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5126 } 5127 if (events->sctp_sender_dry_event) { 5128 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5129 } else { 5130 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5131 } 5132 if (events->sctp_stream_reset_event) { 5133 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5134 } else { 5135 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5136 } 5137 SCTP_TCB_UNLOCK(stcb); 5138 } 5139 /* 5140 * Send up the sender dry event only for 1-to-1 5141 * style sockets. 5142 */ 5143 if (events->sctp_sender_dry_event) { 5144 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5145 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5146 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5147 if (stcb) { 5148 SCTP_TCB_LOCK(stcb); 5149 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5150 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5151 (stcb->asoc.stream_queue_cnt == 0)) { 5152 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5153 } 5154 SCTP_TCB_UNLOCK(stcb); 5155 } 5156 } 5157 } 5158 SCTP_INP_RUNLOCK(inp); 5159 break; 5160 } 5161 case SCTP_ADAPTATION_LAYER: 5162 { 5163 struct sctp_setadaptation *adap_bits; 5164 5165 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5166 SCTP_INP_WLOCK(inp); 5167 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5168 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5169 SCTP_INP_WUNLOCK(inp); 5170 break; 5171 } 5172 #ifdef SCTP_DEBUG 5173 case SCTP_SET_INITIAL_DBG_SEQ: 5174 { 5175 uint32_t *vvv; 5176 5177 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5178 SCTP_INP_WLOCK(inp); 5179 inp->sctp_ep.initial_sequence_debug = *vvv; 5180 SCTP_INP_WUNLOCK(inp); 5181 break; 5182 } 5183 #endif 5184 case SCTP_DEFAULT_SEND_PARAM: 5185 { 5186 struct sctp_sndrcvinfo *s_info; 5187 5188 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5189 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5190 5191 if (stcb) { 5192 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5193 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5194 } else { 5195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5196 error = EINVAL; 5197 } 5198 SCTP_TCB_UNLOCK(stcb); 5199 } else { 5200 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5201 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5202 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5203 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5204 SCTP_INP_WLOCK(inp); 5205 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5206 SCTP_INP_WUNLOCK(inp); 5207 } 5208 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5209 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5210 SCTP_INP_RLOCK(inp); 5211 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5212 SCTP_TCB_LOCK(stcb); 5213 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5214 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5215 } 5216 SCTP_TCB_UNLOCK(stcb); 5217 } 5218 SCTP_INP_RUNLOCK(inp); 5219 } 5220 } 5221 break; 5222 } 5223 case SCTP_PEER_ADDR_PARAMS: 5224 { 5225 struct sctp_paddrparams *paddrp; 5226 struct sctp_nets *net; 5227 struct sockaddr *addr; 5228 5229 #if defined(INET) && defined(INET6) 5230 struct sockaddr_in sin_store; 5231 5232 #endif 5233 5234 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5235 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5236 5237 #if defined(INET) && defined(INET6) 5238 if (paddrp->spp_address.ss_family == AF_INET6) { 5239 struct sockaddr_in6 *sin6; 5240 5241 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5242 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5243 in6_sin6_2_sin(&sin_store, sin6); 5244 addr = (struct sockaddr *)&sin_store; 5245 } else { 5246 addr = (struct sockaddr *)&paddrp->spp_address; 5247 } 5248 } else { 5249 addr = (struct sockaddr *)&paddrp->spp_address; 5250 } 5251 #else 5252 addr = (struct sockaddr *)&paddrp->spp_address; 5253 #endif 5254 if (stcb != NULL) { 5255 net = sctp_findnet(stcb, addr); 5256 } else { 5257 /* 5258 * We increment here since 5259 * sctp_findassociation_ep_addr() wil do a 5260 * decrement if it finds the stcb as long as 5261 * the locked tcb (last argument) is NOT a 5262 * TCB.. aka NULL. 5263 */ 5264 net = NULL; 5265 SCTP_INP_INCR_REF(inp); 5266 stcb = sctp_findassociation_ep_addr(&inp, addr, 5267 &net, NULL, NULL); 5268 if (stcb == NULL) { 5269 SCTP_INP_DECR_REF(inp); 5270 } 5271 } 5272 if ((stcb != NULL) && (net == NULL)) { 5273 #ifdef INET 5274 if (addr->sa_family == AF_INET) { 5275 5276 struct sockaddr_in *sin; 5277 5278 sin = (struct sockaddr_in *)addr; 5279 if (sin->sin_addr.s_addr != INADDR_ANY) { 5280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5281 SCTP_TCB_UNLOCK(stcb); 5282 error = EINVAL; 5283 break; 5284 } 5285 } else 5286 #endif 5287 #ifdef INET6 5288 if (addr->sa_family == AF_INET6) { 5289 struct sockaddr_in6 *sin6; 5290 5291 sin6 = (struct sockaddr_in6 *)addr; 5292 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5294 SCTP_TCB_UNLOCK(stcb); 5295 error = EINVAL; 5296 break; 5297 } 5298 } else 5299 #endif 5300 { 5301 error = EAFNOSUPPORT; 5302 SCTP_TCB_UNLOCK(stcb); 5303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5304 break; 5305 } 5306 } 5307 /* sanity checks */ 5308 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5309 if (stcb) 5310 SCTP_TCB_UNLOCK(stcb); 5311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5312 return (EINVAL); 5313 } 5314 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5315 if (stcb) 5316 SCTP_TCB_UNLOCK(stcb); 5317 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5318 return (EINVAL); 5319 } 5320 if (stcb != NULL) { 5321 /************************TCB SPECIFIC SET ******************/ 5322 if (net != NULL) { 5323 /************************NET SPECIFIC SET ******************/ 5324 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5325 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5326 !(net->dest_state & SCTP_ADDR_NOHB)) { 5327 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5328 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5329 } 5330 net->dest_state |= SCTP_ADDR_NOHB; 5331 } 5332 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5333 if (paddrp->spp_hbinterval) { 5334 net->heart_beat_delay = paddrp->spp_hbinterval; 5335 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5336 net->heart_beat_delay = 0; 5337 } 5338 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5339 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5340 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5341 net->dest_state &= ~SCTP_ADDR_NOHB; 5342 } 5343 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5344 /* on demand HB */ 5345 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5346 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5347 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5348 } 5349 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5350 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5351 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5352 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5353 } 5354 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5355 net->mtu = paddrp->spp_pathmtu; 5356 switch (net->ro._l_addr.sa.sa_family) { 5357 #ifdef INET 5358 case AF_INET: 5359 net->mtu += SCTP_MIN_V4_OVERHEAD; 5360 break; 5361 #endif 5362 #ifdef INET6 5363 case AF_INET6: 5364 net->mtu += SCTP_MIN_OVERHEAD; 5365 break; 5366 #endif 5367 default: 5368 break; 5369 } 5370 if (net->mtu < stcb->asoc.smallest_mtu) { 5371 sctp_pathmtu_adjustment(stcb, net->mtu); 5372 } 5373 } 5374 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5375 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5376 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5377 } 5378 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5379 } 5380 if (paddrp->spp_pathmaxrxt) { 5381 if (net->dest_state & SCTP_ADDR_PF) { 5382 if (net->error_count > paddrp->spp_pathmaxrxt) { 5383 net->dest_state &= ~SCTP_ADDR_PF; 5384 } 5385 } else { 5386 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5387 (net->error_count > net->pf_threshold)) { 5388 net->dest_state |= SCTP_ADDR_PF; 5389 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5390 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5391 stcb->sctp_ep, stcb, net, 5392 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5393 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5394 } 5395 } 5396 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5397 if (net->error_count > paddrp->spp_pathmaxrxt) { 5398 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5399 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5400 } 5401 } else { 5402 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5403 net->dest_state |= SCTP_ADDR_REACHABLE; 5404 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5405 } 5406 } 5407 net->failure_threshold = paddrp->spp_pathmaxrxt; 5408 } 5409 if (paddrp->spp_flags & SPP_DSCP) { 5410 net->dscp = paddrp->spp_dscp & 0xfc; 5411 net->dscp |= 0x01; 5412 } 5413 #ifdef INET6 5414 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5415 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5416 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5417 net->flowlabel |= 0x80000000; 5418 } 5419 } 5420 #endif 5421 } else { 5422 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5423 if (paddrp->spp_pathmaxrxt != 0) { 5424 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5425 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5426 if (net->dest_state & SCTP_ADDR_PF) { 5427 if (net->error_count > paddrp->spp_pathmaxrxt) { 5428 net->dest_state &= ~SCTP_ADDR_PF; 5429 } 5430 } else { 5431 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5432 (net->error_count > net->pf_threshold)) { 5433 net->dest_state |= SCTP_ADDR_PF; 5434 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5435 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5436 stcb->sctp_ep, stcb, net, 5437 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5438 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5439 } 5440 } 5441 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5442 if (net->error_count > paddrp->spp_pathmaxrxt) { 5443 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5444 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5445 } 5446 } else { 5447 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5448 net->dest_state |= SCTP_ADDR_REACHABLE; 5449 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5450 } 5451 } 5452 net->failure_threshold = paddrp->spp_pathmaxrxt; 5453 } 5454 } 5455 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5456 if (paddrp->spp_hbinterval != 0) { 5457 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5458 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5459 stcb->asoc.heart_beat_delay = 0; 5460 } 5461 /* Turn back on the timer */ 5462 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5463 if (paddrp->spp_hbinterval != 0) { 5464 net->heart_beat_delay = paddrp->spp_hbinterval; 5465 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5466 net->heart_beat_delay = 0; 5467 } 5468 if (net->dest_state & SCTP_ADDR_NOHB) { 5469 net->dest_state &= ~SCTP_ADDR_NOHB; 5470 } 5471 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5472 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5473 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5474 } 5475 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5476 } 5477 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5478 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5479 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5480 net->dest_state |= SCTP_ADDR_NOHB; 5481 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5482 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5483 inp, stcb, net, 5484 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5485 } 5486 } 5487 } 5488 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5489 } 5490 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5491 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5492 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5493 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5494 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5495 } 5496 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5497 net->mtu = paddrp->spp_pathmtu; 5498 switch (net->ro._l_addr.sa.sa_family) { 5499 #ifdef INET 5500 case AF_INET: 5501 net->mtu += SCTP_MIN_V4_OVERHEAD; 5502 break; 5503 #endif 5504 #ifdef INET6 5505 case AF_INET6: 5506 net->mtu += SCTP_MIN_OVERHEAD; 5507 break; 5508 #endif 5509 default: 5510 break; 5511 } 5512 if (net->mtu < stcb->asoc.smallest_mtu) { 5513 sctp_pathmtu_adjustment(stcb, net->mtu); 5514 } 5515 } 5516 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5517 } 5518 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5519 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5520 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5521 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5522 } 5523 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5524 } 5525 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5526 } 5527 if (paddrp->spp_flags & SPP_DSCP) { 5528 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5529 net->dscp = paddrp->spp_dscp & 0xfc; 5530 net->dscp |= 0x01; 5531 } 5532 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5533 stcb->asoc.default_dscp |= 0x01; 5534 } 5535 #ifdef INET6 5536 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5537 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5538 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5539 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5540 net->flowlabel |= 0x80000000; 5541 } 5542 } 5543 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5544 stcb->asoc.default_flowlabel |= 0x80000000; 5545 } 5546 #endif 5547 } 5548 SCTP_TCB_UNLOCK(stcb); 5549 } else { 5550 /************************NO TCB, SET TO default stuff ******************/ 5551 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5552 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5553 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5554 SCTP_INP_WLOCK(inp); 5555 /* 5556 * For the TOS/FLOWLABEL stuff you 5557 * set it with the options on the 5558 * socket 5559 */ 5560 if (paddrp->spp_pathmaxrxt != 0) { 5561 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5562 } 5563 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5564 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5565 else if (paddrp->spp_hbinterval != 0) { 5566 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5567 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5568 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5569 } 5570 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5571 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5572 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5573 } else if (paddrp->spp_hbinterval) { 5574 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5575 } 5576 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5577 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5578 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5579 } 5580 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5581 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5582 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5583 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5584 } 5585 if (paddrp->spp_flags & SPP_DSCP) { 5586 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5587 inp->sctp_ep.default_dscp |= 0x01; 5588 } 5589 #ifdef INET6 5590 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5591 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5592 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5593 inp->sctp_ep.default_flowlabel |= 0x80000000; 5594 } 5595 } 5596 #endif 5597 SCTP_INP_WUNLOCK(inp); 5598 } else { 5599 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5600 error = EINVAL; 5601 } 5602 } 5603 break; 5604 } 5605 case SCTP_RTOINFO: 5606 { 5607 struct sctp_rtoinfo *srto; 5608 uint32_t new_init, new_min, new_max; 5609 5610 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5611 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5612 5613 if (stcb) { 5614 if (srto->srto_initial) 5615 new_init = srto->srto_initial; 5616 else 5617 new_init = stcb->asoc.initial_rto; 5618 if (srto->srto_max) 5619 new_max = srto->srto_max; 5620 else 5621 new_max = stcb->asoc.maxrto; 5622 if (srto->srto_min) 5623 new_min = srto->srto_min; 5624 else 5625 new_min = stcb->asoc.minrto; 5626 if ((new_min <= new_init) && (new_init <= new_max)) { 5627 stcb->asoc.initial_rto = new_init; 5628 stcb->asoc.maxrto = new_max; 5629 stcb->asoc.minrto = new_min; 5630 } else { 5631 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5632 error = EINVAL; 5633 } 5634 SCTP_TCB_UNLOCK(stcb); 5635 } else { 5636 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5637 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5638 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5639 SCTP_INP_WLOCK(inp); 5640 if (srto->srto_initial) 5641 new_init = srto->srto_initial; 5642 else 5643 new_init = inp->sctp_ep.initial_rto; 5644 if (srto->srto_max) 5645 new_max = srto->srto_max; 5646 else 5647 new_max = inp->sctp_ep.sctp_maxrto; 5648 if (srto->srto_min) 5649 new_min = srto->srto_min; 5650 else 5651 new_min = inp->sctp_ep.sctp_minrto; 5652 if ((new_min <= new_init) && (new_init <= new_max)) { 5653 inp->sctp_ep.initial_rto = new_init; 5654 inp->sctp_ep.sctp_maxrto = new_max; 5655 inp->sctp_ep.sctp_minrto = new_min; 5656 } else { 5657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5658 error = EINVAL; 5659 } 5660 SCTP_INP_WUNLOCK(inp); 5661 } else { 5662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5663 error = EINVAL; 5664 } 5665 } 5666 break; 5667 } 5668 case SCTP_ASSOCINFO: 5669 { 5670 struct sctp_assocparams *sasoc; 5671 5672 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5673 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5674 if (sasoc->sasoc_cookie_life) { 5675 /* boundary check the cookie life */ 5676 if (sasoc->sasoc_cookie_life < 1000) 5677 sasoc->sasoc_cookie_life = 1000; 5678 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5679 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5680 } 5681 } 5682 if (stcb) { 5683 if (sasoc->sasoc_asocmaxrxt) 5684 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5685 if (sasoc->sasoc_cookie_life) { 5686 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5687 } 5688 SCTP_TCB_UNLOCK(stcb); 5689 } else { 5690 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5691 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5692 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5693 SCTP_INP_WLOCK(inp); 5694 if (sasoc->sasoc_asocmaxrxt) 5695 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5696 if (sasoc->sasoc_cookie_life) { 5697 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5698 } 5699 SCTP_INP_WUNLOCK(inp); 5700 } else { 5701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5702 error = EINVAL; 5703 } 5704 } 5705 break; 5706 } 5707 case SCTP_INITMSG: 5708 { 5709 struct sctp_initmsg *sinit; 5710 5711 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5712 SCTP_INP_WLOCK(inp); 5713 if (sinit->sinit_num_ostreams) 5714 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5715 5716 if (sinit->sinit_max_instreams) 5717 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5718 5719 if (sinit->sinit_max_attempts) 5720 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5721 5722 if (sinit->sinit_max_init_timeo) 5723 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5724 SCTP_INP_WUNLOCK(inp); 5725 break; 5726 } 5727 case SCTP_PRIMARY_ADDR: 5728 { 5729 struct sctp_setprim *spa; 5730 struct sctp_nets *net; 5731 struct sockaddr *addr; 5732 5733 #if defined(INET) && defined(INET6) 5734 struct sockaddr_in sin_store; 5735 5736 #endif 5737 5738 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5739 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5740 5741 #if defined(INET) && defined(INET6) 5742 if (spa->ssp_addr.ss_family == AF_INET6) { 5743 struct sockaddr_in6 *sin6; 5744 5745 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5746 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5747 in6_sin6_2_sin(&sin_store, sin6); 5748 addr = (struct sockaddr *)&sin_store; 5749 } else { 5750 addr = (struct sockaddr *)&spa->ssp_addr; 5751 } 5752 } else { 5753 addr = (struct sockaddr *)&spa->ssp_addr; 5754 } 5755 #else 5756 addr = (struct sockaddr *)&spa->ssp_addr; 5757 #endif 5758 if (stcb != NULL) { 5759 net = sctp_findnet(stcb, addr); 5760 } else { 5761 /* 5762 * We increment here since 5763 * sctp_findassociation_ep_addr() wil do a 5764 * decrement if it finds the stcb as long as 5765 * the locked tcb (last argument) is NOT a 5766 * TCB.. aka NULL. 5767 */ 5768 net = NULL; 5769 SCTP_INP_INCR_REF(inp); 5770 stcb = sctp_findassociation_ep_addr(&inp, addr, 5771 &net, NULL, NULL); 5772 if (stcb == NULL) { 5773 SCTP_INP_DECR_REF(inp); 5774 } 5775 } 5776 5777 if ((stcb != NULL) && (net != NULL)) { 5778 if (net != stcb->asoc.primary_destination) { 5779 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5780 /* Ok we need to set it */ 5781 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5782 if ((stcb->asoc.alternate) && 5783 (!(net->dest_state & SCTP_ADDR_PF)) && 5784 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5785 sctp_free_remote_addr(stcb->asoc.alternate); 5786 stcb->asoc.alternate = NULL; 5787 } 5788 } else { 5789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5790 error = EINVAL; 5791 } 5792 } else { 5793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5794 error = EINVAL; 5795 } 5796 } 5797 } else { 5798 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5799 error = EINVAL; 5800 } 5801 if (stcb != NULL) { 5802 SCTP_TCB_UNLOCK(stcb); 5803 } 5804 break; 5805 } 5806 case SCTP_SET_DYNAMIC_PRIMARY: 5807 { 5808 union sctp_sockstore *ss; 5809 5810 error = priv_check(curthread, 5811 PRIV_NETINET_RESERVEDPORT); 5812 if (error) 5813 break; 5814 5815 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5816 /* SUPER USER CHECK? */ 5817 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5818 break; 5819 } 5820 case SCTP_SET_PEER_PRIMARY_ADDR: 5821 { 5822 struct sctp_setpeerprim *sspp; 5823 struct sockaddr *addr; 5824 5825 #if defined(INET) && defined(INET6) 5826 struct sockaddr_in sin_store; 5827 5828 #endif 5829 5830 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5831 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5832 if (stcb != NULL) { 5833 struct sctp_ifa *ifa; 5834 5835 #if defined(INET) && defined(INET6) 5836 if (sspp->sspp_addr.ss_family == AF_INET6) { 5837 struct sockaddr_in6 *sin6; 5838 5839 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5840 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5841 in6_sin6_2_sin(&sin_store, sin6); 5842 addr = (struct sockaddr *)&sin_store; 5843 } else { 5844 addr = (struct sockaddr *)&sspp->sspp_addr; 5845 } 5846 } else { 5847 addr = (struct sockaddr *)&sspp->sspp_addr; 5848 } 5849 #else 5850 addr = (struct sockaddr *)&sspp->sspp_addr; 5851 #endif 5852 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5853 if (ifa == NULL) { 5854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5855 error = EINVAL; 5856 goto out_of_it; 5857 } 5858 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5859 /* 5860 * Must validate the ifa found is in 5861 * our ep 5862 */ 5863 struct sctp_laddr *laddr; 5864 int found = 0; 5865 5866 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5867 if (laddr->ifa == NULL) { 5868 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5869 __func__); 5870 continue; 5871 } 5872 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5873 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5874 continue; 5875 } 5876 if (laddr->ifa == ifa) { 5877 found = 1; 5878 break; 5879 } 5880 } 5881 if (!found) { 5882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5883 error = EINVAL; 5884 goto out_of_it; 5885 } 5886 } else { 5887 switch (addr->sa_family) { 5888 #ifdef INET 5889 case AF_INET: 5890 { 5891 struct sockaddr_in *sin; 5892 5893 sin = (struct sockaddr_in *)addr; 5894 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5895 &sin->sin_addr) != 0) { 5896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5897 error = EINVAL; 5898 goto out_of_it; 5899 } 5900 break; 5901 } 5902 #endif 5903 #ifdef INET6 5904 case AF_INET6: 5905 { 5906 struct sockaddr_in6 *sin6; 5907 5908 sin6 = (struct sockaddr_in6 *)addr; 5909 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5910 &sin6->sin6_addr) != 0) { 5911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5912 error = EINVAL; 5913 goto out_of_it; 5914 } 5915 break; 5916 } 5917 #endif 5918 default: 5919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5920 error = EINVAL; 5921 goto out_of_it; 5922 } 5923 } 5924 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5926 error = EINVAL; 5927 } 5928 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5929 out_of_it: 5930 SCTP_TCB_UNLOCK(stcb); 5931 } else { 5932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5933 error = EINVAL; 5934 } 5935 break; 5936 } 5937 case SCTP_BINDX_ADD_ADDR: 5938 { 5939 struct sctp_getaddresses *addrs; 5940 struct thread *td; 5941 5942 td = (struct thread *)p; 5943 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5944 optsize); 5945 #ifdef INET 5946 if (addrs->addr->sa_family == AF_INET) { 5947 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5949 error = EINVAL; 5950 break; 5951 } 5952 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5953 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5954 break; 5955 } 5956 } else 5957 #endif 5958 #ifdef INET6 5959 if (addrs->addr->sa_family == AF_INET6) { 5960 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5962 error = EINVAL; 5963 break; 5964 } 5965 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5966 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5967 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5968 break; 5969 } 5970 } else 5971 #endif 5972 { 5973 error = EAFNOSUPPORT; 5974 break; 5975 } 5976 sctp_bindx_add_address(so, inp, addrs->addr, 5977 addrs->sget_assoc_id, vrf_id, 5978 &error, p); 5979 break; 5980 } 5981 case SCTP_BINDX_REM_ADDR: 5982 { 5983 struct sctp_getaddresses *addrs; 5984 struct thread *td; 5985 5986 td = (struct thread *)p; 5987 5988 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5989 #ifdef INET 5990 if (addrs->addr->sa_family == AF_INET) { 5991 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5993 error = EINVAL; 5994 break; 5995 } 5996 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5997 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5998 break; 5999 } 6000 } else 6001 #endif 6002 #ifdef INET6 6003 if (addrs->addr->sa_family == AF_INET6) { 6004 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 6005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6006 error = EINVAL; 6007 break; 6008 } 6009 if (td != NULL && 6010 (error = prison_local_ip6(td->td_ucred, 6011 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6012 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6013 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6014 break; 6015 } 6016 } else 6017 #endif 6018 { 6019 error = EAFNOSUPPORT; 6020 break; 6021 } 6022 sctp_bindx_delete_address(inp, addrs->addr, 6023 addrs->sget_assoc_id, vrf_id, 6024 &error); 6025 break; 6026 } 6027 case SCTP_EVENT: 6028 { 6029 struct sctp_event *event; 6030 uint32_t event_type; 6031 6032 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6033 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6034 switch (event->se_type) { 6035 case SCTP_ASSOC_CHANGE: 6036 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6037 break; 6038 case SCTP_PEER_ADDR_CHANGE: 6039 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6040 break; 6041 case SCTP_REMOTE_ERROR: 6042 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6043 break; 6044 case SCTP_SEND_FAILED: 6045 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6046 break; 6047 case SCTP_SHUTDOWN_EVENT: 6048 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6049 break; 6050 case SCTP_ADAPTATION_INDICATION: 6051 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6052 break; 6053 case SCTP_PARTIAL_DELIVERY_EVENT: 6054 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6055 break; 6056 case SCTP_AUTHENTICATION_EVENT: 6057 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6058 break; 6059 case SCTP_STREAM_RESET_EVENT: 6060 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6061 break; 6062 case SCTP_SENDER_DRY_EVENT: 6063 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6064 break; 6065 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6066 event_type = 0; 6067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6068 error = ENOTSUP; 6069 break; 6070 case SCTP_ASSOC_RESET_EVENT: 6071 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6072 break; 6073 case SCTP_STREAM_CHANGE_EVENT: 6074 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6075 break; 6076 case SCTP_SEND_FAILED_EVENT: 6077 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6078 break; 6079 default: 6080 event_type = 0; 6081 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6082 error = EINVAL; 6083 break; 6084 } 6085 if (event_type > 0) { 6086 if (stcb) { 6087 if (event->se_on) { 6088 sctp_stcb_feature_on(inp, stcb, event_type); 6089 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6090 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6091 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6092 (stcb->asoc.stream_queue_cnt == 0)) { 6093 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6094 } 6095 } 6096 } else { 6097 sctp_stcb_feature_off(inp, stcb, event_type); 6098 } 6099 SCTP_TCB_UNLOCK(stcb); 6100 } else { 6101 /* 6102 * We don't want to send up a storm 6103 * of events, so return an error for 6104 * sender dry events 6105 */ 6106 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6107 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6108 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6109 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6110 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6111 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6112 error = ENOTSUP; 6113 break; 6114 } 6115 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6116 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6117 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6118 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6119 SCTP_INP_WLOCK(inp); 6120 if (event->se_on) { 6121 sctp_feature_on(inp, event_type); 6122 } else { 6123 sctp_feature_off(inp, event_type); 6124 } 6125 SCTP_INP_WUNLOCK(inp); 6126 } 6127 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6128 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6129 SCTP_INP_RLOCK(inp); 6130 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6131 SCTP_TCB_LOCK(stcb); 6132 if (event->se_on) { 6133 sctp_stcb_feature_on(inp, stcb, event_type); 6134 } else { 6135 sctp_stcb_feature_off(inp, stcb, event_type); 6136 } 6137 SCTP_TCB_UNLOCK(stcb); 6138 } 6139 SCTP_INP_RUNLOCK(inp); 6140 } 6141 } 6142 } 6143 break; 6144 } 6145 case SCTP_RECVRCVINFO: 6146 { 6147 int *onoff; 6148 6149 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6150 SCTP_INP_WLOCK(inp); 6151 if (*onoff != 0) { 6152 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6153 } else { 6154 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6155 } 6156 SCTP_INP_WUNLOCK(inp); 6157 break; 6158 } 6159 case SCTP_RECVNXTINFO: 6160 { 6161 int *onoff; 6162 6163 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6164 SCTP_INP_WLOCK(inp); 6165 if (*onoff != 0) { 6166 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6167 } else { 6168 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6169 } 6170 SCTP_INP_WUNLOCK(inp); 6171 break; 6172 } 6173 case SCTP_DEFAULT_SNDINFO: 6174 { 6175 struct sctp_sndinfo *info; 6176 uint16_t policy; 6177 6178 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6179 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6180 6181 if (stcb) { 6182 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6183 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6184 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6185 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6186 stcb->asoc.def_send.sinfo_flags |= policy; 6187 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6188 stcb->asoc.def_send.sinfo_context = info->snd_context; 6189 } else { 6190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6191 error = EINVAL; 6192 } 6193 SCTP_TCB_UNLOCK(stcb); 6194 } else { 6195 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6196 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6197 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6198 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6199 SCTP_INP_WLOCK(inp); 6200 inp->def_send.sinfo_stream = info->snd_sid; 6201 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6202 inp->def_send.sinfo_flags = info->snd_flags; 6203 inp->def_send.sinfo_flags |= policy; 6204 inp->def_send.sinfo_ppid = info->snd_ppid; 6205 inp->def_send.sinfo_context = info->snd_context; 6206 SCTP_INP_WUNLOCK(inp); 6207 } 6208 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6209 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6210 SCTP_INP_RLOCK(inp); 6211 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6212 SCTP_TCB_LOCK(stcb); 6213 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6214 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6215 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6216 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6217 stcb->asoc.def_send.sinfo_flags |= policy; 6218 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6219 stcb->asoc.def_send.sinfo_context = info->snd_context; 6220 } 6221 SCTP_TCB_UNLOCK(stcb); 6222 } 6223 SCTP_INP_RUNLOCK(inp); 6224 } 6225 } 6226 break; 6227 } 6228 case SCTP_DEFAULT_PRINFO: 6229 { 6230 struct sctp_default_prinfo *info; 6231 6232 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6233 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6234 6235 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6236 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6237 error = EINVAL; 6238 break; 6239 } 6240 if (stcb) { 6241 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6242 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6243 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6244 SCTP_TCB_UNLOCK(stcb); 6245 } else { 6246 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6247 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6248 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6249 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6250 SCTP_INP_WLOCK(inp); 6251 inp->def_send.sinfo_flags &= 0xfff0; 6252 inp->def_send.sinfo_flags |= info->pr_policy; 6253 inp->def_send.sinfo_timetolive = info->pr_value; 6254 SCTP_INP_WUNLOCK(inp); 6255 } 6256 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6257 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6258 SCTP_INP_RLOCK(inp); 6259 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6260 SCTP_TCB_LOCK(stcb); 6261 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6262 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6263 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6264 SCTP_TCB_UNLOCK(stcb); 6265 } 6266 SCTP_INP_RUNLOCK(inp); 6267 } 6268 } 6269 break; 6270 } 6271 case SCTP_PEER_ADDR_THLDS: 6272 /* Applies to the specific association */ 6273 { 6274 struct sctp_paddrthlds *thlds; 6275 struct sctp_nets *net; 6276 struct sockaddr *addr; 6277 6278 #if defined(INET) && defined(INET6) 6279 struct sockaddr_in sin_store; 6280 6281 #endif 6282 6283 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6284 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6285 6286 #if defined(INET) && defined(INET6) 6287 if (thlds->spt_address.ss_family == AF_INET6) { 6288 struct sockaddr_in6 *sin6; 6289 6290 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6291 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6292 in6_sin6_2_sin(&sin_store, sin6); 6293 addr = (struct sockaddr *)&sin_store; 6294 } else { 6295 addr = (struct sockaddr *)&thlds->spt_address; 6296 } 6297 } else { 6298 addr = (struct sockaddr *)&thlds->spt_address; 6299 } 6300 #else 6301 addr = (struct sockaddr *)&thlds->spt_address; 6302 #endif 6303 if (stcb != NULL) { 6304 net = sctp_findnet(stcb, addr); 6305 } else { 6306 /* 6307 * We increment here since 6308 * sctp_findassociation_ep_addr() wil do a 6309 * decrement if it finds the stcb as long as 6310 * the locked tcb (last argument) is NOT a 6311 * TCB.. aka NULL. 6312 */ 6313 net = NULL; 6314 SCTP_INP_INCR_REF(inp); 6315 stcb = sctp_findassociation_ep_addr(&inp, addr, 6316 &net, NULL, NULL); 6317 if (stcb == NULL) { 6318 SCTP_INP_DECR_REF(inp); 6319 } 6320 } 6321 if ((stcb != NULL) && (net == NULL)) { 6322 #ifdef INET 6323 if (addr->sa_family == AF_INET) { 6324 6325 struct sockaddr_in *sin; 6326 6327 sin = (struct sockaddr_in *)addr; 6328 if (sin->sin_addr.s_addr != INADDR_ANY) { 6329 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6330 SCTP_TCB_UNLOCK(stcb); 6331 error = EINVAL; 6332 break; 6333 } 6334 } else 6335 #endif 6336 #ifdef INET6 6337 if (addr->sa_family == AF_INET6) { 6338 struct sockaddr_in6 *sin6; 6339 6340 sin6 = (struct sockaddr_in6 *)addr; 6341 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6343 SCTP_TCB_UNLOCK(stcb); 6344 error = EINVAL; 6345 break; 6346 } 6347 } else 6348 #endif 6349 { 6350 error = EAFNOSUPPORT; 6351 SCTP_TCB_UNLOCK(stcb); 6352 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6353 break; 6354 } 6355 } 6356 if (stcb != NULL) { 6357 if (net != NULL) { 6358 net->failure_threshold = thlds->spt_pathmaxrxt; 6359 net->pf_threshold = thlds->spt_pathpfthld; 6360 if (net->dest_state & SCTP_ADDR_PF) { 6361 if ((net->error_count > net->failure_threshold) || 6362 (net->error_count <= net->pf_threshold)) { 6363 net->dest_state &= ~SCTP_ADDR_PF; 6364 } 6365 } else { 6366 if ((net->error_count > net->pf_threshold) && 6367 (net->error_count <= net->failure_threshold)) { 6368 net->dest_state |= SCTP_ADDR_PF; 6369 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6370 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6371 stcb->sctp_ep, stcb, net, 6372 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6373 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6374 } 6375 } 6376 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6377 if (net->error_count > net->failure_threshold) { 6378 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6379 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6380 } 6381 } else { 6382 if (net->error_count <= net->failure_threshold) { 6383 net->dest_state |= SCTP_ADDR_REACHABLE; 6384 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6385 } 6386 } 6387 } else { 6388 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6389 net->failure_threshold = thlds->spt_pathmaxrxt; 6390 net->pf_threshold = thlds->spt_pathpfthld; 6391 if (net->dest_state & SCTP_ADDR_PF) { 6392 if ((net->error_count > net->failure_threshold) || 6393 (net->error_count <= net->pf_threshold)) { 6394 net->dest_state &= ~SCTP_ADDR_PF; 6395 } 6396 } else { 6397 if ((net->error_count > net->pf_threshold) && 6398 (net->error_count <= net->failure_threshold)) { 6399 net->dest_state |= SCTP_ADDR_PF; 6400 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6401 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6402 stcb->sctp_ep, stcb, net, 6403 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6404 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6405 } 6406 } 6407 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6408 if (net->error_count > net->failure_threshold) { 6409 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6410 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6411 } 6412 } else { 6413 if (net->error_count <= net->failure_threshold) { 6414 net->dest_state |= SCTP_ADDR_REACHABLE; 6415 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6416 } 6417 } 6418 } 6419 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6420 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6421 } 6422 SCTP_TCB_UNLOCK(stcb); 6423 } else { 6424 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6425 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6426 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6427 SCTP_INP_WLOCK(inp); 6428 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6429 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6430 SCTP_INP_WUNLOCK(inp); 6431 } else { 6432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6433 error = EINVAL; 6434 } 6435 } 6436 break; 6437 } 6438 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6439 { 6440 struct sctp_udpencaps *encaps; 6441 struct sctp_nets *net; 6442 struct sockaddr *addr; 6443 6444 #if defined(INET) && defined(INET6) 6445 struct sockaddr_in sin_store; 6446 6447 #endif 6448 6449 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6450 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6451 6452 #if defined(INET) && defined(INET6) 6453 if (encaps->sue_address.ss_family == AF_INET6) { 6454 struct sockaddr_in6 *sin6; 6455 6456 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6457 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6458 in6_sin6_2_sin(&sin_store, sin6); 6459 addr = (struct sockaddr *)&sin_store; 6460 } else { 6461 addr = (struct sockaddr *)&encaps->sue_address; 6462 } 6463 } else { 6464 addr = (struct sockaddr *)&encaps->sue_address; 6465 } 6466 #else 6467 addr = (struct sockaddr *)&encaps->sue_address; 6468 #endif 6469 if (stcb != NULL) { 6470 net = sctp_findnet(stcb, addr); 6471 } else { 6472 /* 6473 * We increment here since 6474 * sctp_findassociation_ep_addr() wil do a 6475 * decrement if it finds the stcb as long as 6476 * the locked tcb (last argument) is NOT a 6477 * TCB.. aka NULL. 6478 */ 6479 net = NULL; 6480 SCTP_INP_INCR_REF(inp); 6481 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6482 if (stcb == NULL) { 6483 SCTP_INP_DECR_REF(inp); 6484 } 6485 } 6486 if ((stcb != NULL) && (net == NULL)) { 6487 #ifdef INET 6488 if (addr->sa_family == AF_INET) { 6489 6490 struct sockaddr_in *sin; 6491 6492 sin = (struct sockaddr_in *)addr; 6493 if (sin->sin_addr.s_addr != INADDR_ANY) { 6494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6495 SCTP_TCB_UNLOCK(stcb); 6496 error = EINVAL; 6497 break; 6498 } 6499 } else 6500 #endif 6501 #ifdef INET6 6502 if (addr->sa_family == AF_INET6) { 6503 struct sockaddr_in6 *sin6; 6504 6505 sin6 = (struct sockaddr_in6 *)addr; 6506 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6508 SCTP_TCB_UNLOCK(stcb); 6509 error = EINVAL; 6510 break; 6511 } 6512 } else 6513 #endif 6514 { 6515 error = EAFNOSUPPORT; 6516 SCTP_TCB_UNLOCK(stcb); 6517 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6518 break; 6519 } 6520 } 6521 if (stcb != NULL) { 6522 if (net != NULL) { 6523 net->port = encaps->sue_port; 6524 } else { 6525 stcb->asoc.port = encaps->sue_port; 6526 } 6527 SCTP_TCB_UNLOCK(stcb); 6528 } else { 6529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6530 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6531 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6532 SCTP_INP_WLOCK(inp); 6533 inp->sctp_ep.port = encaps->sue_port; 6534 SCTP_INP_WUNLOCK(inp); 6535 } else { 6536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6537 error = EINVAL; 6538 } 6539 } 6540 break; 6541 } 6542 case SCTP_ECN_SUPPORTED: 6543 { 6544 struct sctp_assoc_value *av; 6545 6546 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6547 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6548 6549 if (stcb) { 6550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6551 error = EINVAL; 6552 SCTP_TCB_UNLOCK(stcb); 6553 } else { 6554 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6555 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6556 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6557 SCTP_INP_WLOCK(inp); 6558 if (av->assoc_value == 0) { 6559 inp->ecn_supported = 0; 6560 } else { 6561 inp->ecn_supported = 1; 6562 } 6563 SCTP_INP_WUNLOCK(inp); 6564 } else { 6565 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6566 error = EINVAL; 6567 } 6568 } 6569 break; 6570 } 6571 case SCTP_PR_SUPPORTED: 6572 { 6573 struct sctp_assoc_value *av; 6574 6575 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6576 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6577 6578 if (stcb) { 6579 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6580 error = EINVAL; 6581 SCTP_TCB_UNLOCK(stcb); 6582 } else { 6583 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6584 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6585 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6586 SCTP_INP_WLOCK(inp); 6587 if (av->assoc_value == 0) { 6588 inp->prsctp_supported = 0; 6589 } else { 6590 inp->prsctp_supported = 1; 6591 } 6592 SCTP_INP_WUNLOCK(inp); 6593 } else { 6594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6595 error = EINVAL; 6596 } 6597 } 6598 break; 6599 } 6600 case SCTP_AUTH_SUPPORTED: 6601 { 6602 struct sctp_assoc_value *av; 6603 6604 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6605 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6606 6607 if (stcb) { 6608 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6609 error = EINVAL; 6610 SCTP_TCB_UNLOCK(stcb); 6611 } else { 6612 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6613 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6614 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6615 if ((av->assoc_value == 0) && 6616 (inp->asconf_supported == 1)) { 6617 /* 6618 * AUTH is required for 6619 * ASCONF 6620 */ 6621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6622 error = EINVAL; 6623 } else { 6624 SCTP_INP_WLOCK(inp); 6625 if (av->assoc_value == 0) { 6626 inp->auth_supported = 0; 6627 } else { 6628 inp->auth_supported = 1; 6629 } 6630 SCTP_INP_WUNLOCK(inp); 6631 } 6632 } else { 6633 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6634 error = EINVAL; 6635 } 6636 } 6637 break; 6638 } 6639 case SCTP_ASCONF_SUPPORTED: 6640 { 6641 struct sctp_assoc_value *av; 6642 6643 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6644 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6645 6646 if (stcb) { 6647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6648 error = EINVAL; 6649 SCTP_TCB_UNLOCK(stcb); 6650 } else { 6651 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6652 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6653 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6654 if ((av->assoc_value != 0) && 6655 (inp->auth_supported == 0)) { 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->asconf_supported = 0; 6666 sctp_auth_delete_chunk(SCTP_ASCONF, 6667 inp->sctp_ep.local_auth_chunks); 6668 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6669 inp->sctp_ep.local_auth_chunks); 6670 } else { 6671 inp->asconf_supported = 1; 6672 sctp_auth_add_chunk(SCTP_ASCONF, 6673 inp->sctp_ep.local_auth_chunks); 6674 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6675 inp->sctp_ep.local_auth_chunks); 6676 } 6677 SCTP_INP_WUNLOCK(inp); 6678 } 6679 } else { 6680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6681 error = EINVAL; 6682 } 6683 } 6684 break; 6685 } 6686 case SCTP_RECONFIG_SUPPORTED: 6687 { 6688 struct sctp_assoc_value *av; 6689 6690 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6691 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6692 6693 if (stcb) { 6694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6695 error = EINVAL; 6696 SCTP_TCB_UNLOCK(stcb); 6697 } else { 6698 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6699 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6700 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6701 SCTP_INP_WLOCK(inp); 6702 if (av->assoc_value == 0) { 6703 inp->reconfig_supported = 0; 6704 } else { 6705 inp->reconfig_supported = 1; 6706 } 6707 SCTP_INP_WUNLOCK(inp); 6708 } else { 6709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6710 error = EINVAL; 6711 } 6712 } 6713 break; 6714 } 6715 case SCTP_NRSACK_SUPPORTED: 6716 { 6717 struct sctp_assoc_value *av; 6718 6719 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6720 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6721 6722 if (stcb) { 6723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6724 error = EINVAL; 6725 SCTP_TCB_UNLOCK(stcb); 6726 } else { 6727 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6728 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6729 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6730 SCTP_INP_WLOCK(inp); 6731 if (av->assoc_value == 0) { 6732 inp->nrsack_supported = 0; 6733 } else { 6734 inp->nrsack_supported = 1; 6735 } 6736 SCTP_INP_WUNLOCK(inp); 6737 } else { 6738 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6739 error = EINVAL; 6740 } 6741 } 6742 break; 6743 } 6744 case SCTP_PKTDROP_SUPPORTED: 6745 { 6746 struct sctp_assoc_value *av; 6747 6748 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6749 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6750 6751 if (stcb) { 6752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6753 error = EINVAL; 6754 SCTP_TCB_UNLOCK(stcb); 6755 } else { 6756 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6757 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6758 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6759 SCTP_INP_WLOCK(inp); 6760 if (av->assoc_value == 0) { 6761 inp->pktdrop_supported = 0; 6762 } else { 6763 inp->pktdrop_supported = 1; 6764 } 6765 SCTP_INP_WUNLOCK(inp); 6766 } else { 6767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6768 error = EINVAL; 6769 } 6770 } 6771 break; 6772 } 6773 case SCTP_MAX_CWND: 6774 { 6775 struct sctp_assoc_value *av; 6776 struct sctp_nets *net; 6777 6778 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6779 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6780 6781 if (stcb) { 6782 stcb->asoc.max_cwnd = av->assoc_value; 6783 if (stcb->asoc.max_cwnd > 0) { 6784 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6785 if ((net->cwnd > stcb->asoc.max_cwnd) && 6786 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6787 net->cwnd = stcb->asoc.max_cwnd; 6788 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6789 net->cwnd = net->mtu - sizeof(struct sctphdr); 6790 } 6791 } 6792 } 6793 } 6794 SCTP_TCB_UNLOCK(stcb); 6795 } else { 6796 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6797 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6798 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6799 SCTP_INP_WLOCK(inp); 6800 inp->max_cwnd = av->assoc_value; 6801 SCTP_INP_WUNLOCK(inp); 6802 } else { 6803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6804 error = EINVAL; 6805 } 6806 } 6807 break; 6808 } 6809 default: 6810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6811 error = ENOPROTOOPT; 6812 break; 6813 } /* end switch (opt) */ 6814 return (error); 6815 } 6816 6817 int 6818 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6819 { 6820 void *optval = NULL; 6821 size_t optsize = 0; 6822 void *p; 6823 int error = 0; 6824 struct sctp_inpcb *inp; 6825 6826 if ((sopt->sopt_level == SOL_SOCKET) && 6827 (sopt->sopt_name == SO_SETFIB)) { 6828 inp = (struct sctp_inpcb *)so->so_pcb; 6829 if (inp == NULL) { 6830 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6831 return (EINVAL); 6832 } 6833 SCTP_INP_WLOCK(inp); 6834 inp->fibnum = so->so_fibnum; 6835 SCTP_INP_WUNLOCK(inp); 6836 return (0); 6837 } 6838 if (sopt->sopt_level != IPPROTO_SCTP) { 6839 /* wrong proto level... send back up to IP */ 6840 #ifdef INET6 6841 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6842 error = ip6_ctloutput(so, sopt); 6843 #endif /* INET6 */ 6844 #if defined(INET) && defined(INET6) 6845 else 6846 #endif 6847 #ifdef INET 6848 error = ip_ctloutput(so, sopt); 6849 #endif 6850 return (error); 6851 } 6852 optsize = sopt->sopt_valsize; 6853 if (optsize) { 6854 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6855 if (optval == NULL) { 6856 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6857 return (ENOBUFS); 6858 } 6859 error = sooptcopyin(sopt, optval, optsize, optsize); 6860 if (error) { 6861 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6862 goto out; 6863 } 6864 } 6865 p = (void *)sopt->sopt_td; 6866 if (sopt->sopt_dir == SOPT_SET) { 6867 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6868 } else if (sopt->sopt_dir == SOPT_GET) { 6869 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6870 } else { 6871 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6872 error = EINVAL; 6873 } 6874 if ((error == 0) && (optval != NULL)) { 6875 error = sooptcopyout(sopt, optval, optsize); 6876 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6877 } else if (optval != NULL) { 6878 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6879 } 6880 out: 6881 return (error); 6882 } 6883 6884 #ifdef INET 6885 static int 6886 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6887 { 6888 int error = 0; 6889 int create_lock_on = 0; 6890 uint32_t vrf_id; 6891 struct sctp_inpcb *inp; 6892 struct sctp_tcb *stcb = NULL; 6893 6894 inp = (struct sctp_inpcb *)so->so_pcb; 6895 if (inp == NULL) { 6896 /* I made the same as TCP since we are not setup? */ 6897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6898 return (ECONNRESET); 6899 } 6900 if (addr == NULL) { 6901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6902 return EINVAL; 6903 } 6904 switch (addr->sa_family) { 6905 #ifdef INET6 6906 case AF_INET6: 6907 { 6908 struct sockaddr_in6 *sin6p; 6909 6910 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6912 return (EINVAL); 6913 } 6914 sin6p = (struct sockaddr_in6 *)addr; 6915 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6917 return (error); 6918 } 6919 break; 6920 } 6921 #endif 6922 #ifdef INET 6923 case AF_INET: 6924 { 6925 struct sockaddr_in *sinp; 6926 6927 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6929 return (EINVAL); 6930 } 6931 sinp = (struct sockaddr_in *)addr; 6932 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6934 return (error); 6935 } 6936 break; 6937 } 6938 #endif 6939 default: 6940 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6941 return (EAFNOSUPPORT); 6942 } 6943 SCTP_INP_INCR_REF(inp); 6944 SCTP_ASOC_CREATE_LOCK(inp); 6945 create_lock_on = 1; 6946 6947 6948 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6949 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6950 /* Should I really unlock ? */ 6951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6952 error = EFAULT; 6953 goto out_now; 6954 } 6955 #ifdef INET6 6956 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6957 (addr->sa_family == AF_INET6)) { 6958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6959 error = EINVAL; 6960 goto out_now; 6961 } 6962 #endif 6963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6964 SCTP_PCB_FLAGS_UNBOUND) { 6965 /* Bind a ephemeral port */ 6966 error = sctp_inpcb_bind(so, NULL, NULL, p); 6967 if (error) { 6968 goto out_now; 6969 } 6970 } 6971 /* Now do we connect? */ 6972 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6973 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6975 error = EINVAL; 6976 goto out_now; 6977 } 6978 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6979 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6980 /* We are already connected AND the TCP model */ 6981 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6982 error = EADDRINUSE; 6983 goto out_now; 6984 } 6985 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6986 SCTP_INP_RLOCK(inp); 6987 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6988 SCTP_INP_RUNLOCK(inp); 6989 } else { 6990 /* 6991 * We increment here since sctp_findassociation_ep_addr() 6992 * will do a decrement if it finds the stcb as long as the 6993 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6994 */ 6995 SCTP_INP_INCR_REF(inp); 6996 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6997 if (stcb == NULL) { 6998 SCTP_INP_DECR_REF(inp); 6999 } else { 7000 SCTP_TCB_UNLOCK(stcb); 7001 } 7002 } 7003 if (stcb != NULL) { 7004 /* Already have or am bring up an association */ 7005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7006 error = EALREADY; 7007 goto out_now; 7008 } 7009 vrf_id = inp->def_vrf_id; 7010 /* We are GOOD to go */ 7011 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, inp->sctp_ep.pre_open_stream_count, p); 7012 if (stcb == NULL) { 7013 /* Gak! no memory */ 7014 goto out_now; 7015 } 7016 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7017 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7018 /* Set the connected flag so we can queue data */ 7019 soisconnecting(so); 7020 } 7021 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 7022 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7023 7024 /* initialize authentication parameters for the assoc */ 7025 sctp_initialize_auth_params(inp, stcb); 7026 7027 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7028 SCTP_TCB_UNLOCK(stcb); 7029 out_now: 7030 if (create_lock_on) { 7031 SCTP_ASOC_CREATE_UNLOCK(inp); 7032 } 7033 SCTP_INP_DECR_REF(inp); 7034 return (error); 7035 } 7036 7037 #endif 7038 7039 int 7040 sctp_listen(struct socket *so, int backlog, struct thread *p) 7041 { 7042 /* 7043 * Note this module depends on the protocol processing being called 7044 * AFTER any socket level flags and backlog are applied to the 7045 * socket. The traditional way that the socket flags are applied is 7046 * AFTER protocol processing. We have made a change to the 7047 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7048 * place if the socket API for SCTP is to work properly. 7049 */ 7050 7051 int error = 0; 7052 struct sctp_inpcb *inp; 7053 7054 inp = (struct sctp_inpcb *)so->so_pcb; 7055 if (inp == NULL) { 7056 /* I made the same as TCP since we are not setup? */ 7057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7058 return (ECONNRESET); 7059 } 7060 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7061 /* See if we have a listener */ 7062 struct sctp_inpcb *tinp; 7063 union sctp_sockstore store; 7064 7065 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7066 /* not bound all */ 7067 struct sctp_laddr *laddr; 7068 7069 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7070 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7071 switch (store.sa.sa_family) { 7072 #ifdef INET 7073 case AF_INET: 7074 store.sin.sin_port = inp->sctp_lport; 7075 break; 7076 #endif 7077 #ifdef INET6 7078 case AF_INET6: 7079 store.sin6.sin6_port = inp->sctp_lport; 7080 break; 7081 #endif 7082 default: 7083 break; 7084 } 7085 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7086 if (tinp && (tinp != inp) && 7087 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7088 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7089 (tinp->sctp_socket->so_qlimit)) { 7090 /* 7091 * we have a listener already and 7092 * its not this inp. 7093 */ 7094 SCTP_INP_DECR_REF(tinp); 7095 return (EADDRINUSE); 7096 } else if (tinp) { 7097 SCTP_INP_DECR_REF(tinp); 7098 } 7099 } 7100 } else { 7101 /* Setup a local addr bound all */ 7102 memset(&store, 0, sizeof(store)); 7103 #ifdef INET6 7104 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7105 store.sa.sa_family = AF_INET6; 7106 store.sa.sa_len = sizeof(struct sockaddr_in6); 7107 } 7108 #endif 7109 #ifdef INET 7110 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7111 store.sa.sa_family = AF_INET; 7112 store.sa.sa_len = sizeof(struct sockaddr_in); 7113 } 7114 #endif 7115 switch (store.sa.sa_family) { 7116 #ifdef INET 7117 case AF_INET: 7118 store.sin.sin_port = inp->sctp_lport; 7119 break; 7120 #endif 7121 #ifdef INET6 7122 case AF_INET6: 7123 store.sin6.sin6_port = inp->sctp_lport; 7124 break; 7125 #endif 7126 default: 7127 break; 7128 } 7129 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7130 if (tinp && (tinp != inp) && 7131 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7132 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7133 (tinp->sctp_socket->so_qlimit)) { 7134 /* 7135 * we have a listener already and its not 7136 * this inp. 7137 */ 7138 SCTP_INP_DECR_REF(tinp); 7139 return (EADDRINUSE); 7140 } else if (tinp) { 7141 SCTP_INP_DECR_REF(tinp); 7142 } 7143 } 7144 } 7145 SCTP_INP_RLOCK(inp); 7146 #ifdef SCTP_LOCK_LOGGING 7147 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7148 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7149 } 7150 #endif 7151 SOCK_LOCK(so); 7152 error = solisten_proto_check(so); 7153 SOCK_UNLOCK(so); 7154 if (error) { 7155 SCTP_INP_RUNLOCK(inp); 7156 return (error); 7157 } 7158 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7159 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7160 /* 7161 * The unlucky case - We are in the tcp pool with this guy. 7162 * - Someone else is in the main inp slot. - We must move 7163 * this guy (the listener) to the main slot - We must then 7164 * move the guy that was listener to the TCP Pool. 7165 */ 7166 if (sctp_swap_inpcb_for_listen(inp)) { 7167 SCTP_INP_RUNLOCK(inp); 7168 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7169 return (EADDRINUSE); 7170 } 7171 } 7172 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7173 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7174 /* We are already connected AND the TCP model */ 7175 SCTP_INP_RUNLOCK(inp); 7176 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7177 return (EADDRINUSE); 7178 } 7179 SCTP_INP_RUNLOCK(inp); 7180 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7181 /* We must do a bind. */ 7182 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7183 /* bind error, probably perm */ 7184 return (error); 7185 } 7186 } 7187 SOCK_LOCK(so); 7188 /* It appears for 7.0 and on, we must always call this. */ 7189 solisten_proto(so, backlog); 7190 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7191 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7192 so->so_options &= ~SO_ACCEPTCONN; 7193 } 7194 if (backlog == 0) { 7195 /* turning off listen */ 7196 so->so_options &= ~SO_ACCEPTCONN; 7197 } 7198 SOCK_UNLOCK(so); 7199 return (error); 7200 } 7201 7202 static int sctp_defered_wakeup_cnt = 0; 7203 7204 int 7205 sctp_accept(struct socket *so, struct sockaddr **addr) 7206 { 7207 struct sctp_tcb *stcb; 7208 struct sctp_inpcb *inp; 7209 union sctp_sockstore store; 7210 7211 #ifdef INET6 7212 int error; 7213 7214 #endif 7215 inp = (struct sctp_inpcb *)so->so_pcb; 7216 7217 if (inp == NULL) { 7218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7219 return (ECONNRESET); 7220 } 7221 SCTP_INP_RLOCK(inp); 7222 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7223 SCTP_INP_RUNLOCK(inp); 7224 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7225 return (EOPNOTSUPP); 7226 } 7227 if (so->so_state & SS_ISDISCONNECTED) { 7228 SCTP_INP_RUNLOCK(inp); 7229 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7230 return (ECONNABORTED); 7231 } 7232 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7233 if (stcb == NULL) { 7234 SCTP_INP_RUNLOCK(inp); 7235 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7236 return (ECONNRESET); 7237 } 7238 SCTP_TCB_LOCK(stcb); 7239 SCTP_INP_RUNLOCK(inp); 7240 store = stcb->asoc.primary_destination->ro._l_addr; 7241 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7242 SCTP_TCB_UNLOCK(stcb); 7243 switch (store.sa.sa_family) { 7244 #ifdef INET 7245 case AF_INET: 7246 { 7247 struct sockaddr_in *sin; 7248 7249 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7250 if (sin == NULL) 7251 return (ENOMEM); 7252 sin->sin_family = AF_INET; 7253 sin->sin_len = sizeof(*sin); 7254 sin->sin_port = store.sin.sin_port; 7255 sin->sin_addr = store.sin.sin_addr; 7256 *addr = (struct sockaddr *)sin; 7257 break; 7258 } 7259 #endif 7260 #ifdef INET6 7261 case AF_INET6: 7262 { 7263 struct sockaddr_in6 *sin6; 7264 7265 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7266 if (sin6 == NULL) 7267 return (ENOMEM); 7268 sin6->sin6_family = AF_INET6; 7269 sin6->sin6_len = sizeof(*sin6); 7270 sin6->sin6_port = store.sin6.sin6_port; 7271 sin6->sin6_addr = store.sin6.sin6_addr; 7272 if ((error = sa6_recoverscope(sin6)) != 0) { 7273 SCTP_FREE_SONAME(sin6); 7274 return (error); 7275 } 7276 *addr = (struct sockaddr *)sin6; 7277 break; 7278 } 7279 #endif 7280 default: 7281 /* TSNH */ 7282 break; 7283 } 7284 /* Wake any delayed sleep action */ 7285 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7286 SCTP_INP_WLOCK(inp); 7287 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7288 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7289 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7290 SCTP_INP_WUNLOCK(inp); 7291 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7292 if (sowriteable(inp->sctp_socket)) { 7293 sowwakeup_locked(inp->sctp_socket); 7294 } else { 7295 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7296 } 7297 SCTP_INP_WLOCK(inp); 7298 } 7299 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7300 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7301 SCTP_INP_WUNLOCK(inp); 7302 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7303 if (soreadable(inp->sctp_socket)) { 7304 sctp_defered_wakeup_cnt++; 7305 sorwakeup_locked(inp->sctp_socket); 7306 } else { 7307 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7308 } 7309 SCTP_INP_WLOCK(inp); 7310 } 7311 SCTP_INP_WUNLOCK(inp); 7312 } 7313 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7314 SCTP_TCB_LOCK(stcb); 7315 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7316 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7317 } 7318 return (0); 7319 } 7320 7321 #ifdef INET 7322 int 7323 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7324 { 7325 struct sockaddr_in *sin; 7326 uint32_t vrf_id; 7327 struct sctp_inpcb *inp; 7328 struct sctp_ifa *sctp_ifa; 7329 7330 /* 7331 * Do the malloc first in case it blocks. 7332 */ 7333 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7334 if (sin == NULL) 7335 return (ENOMEM); 7336 sin->sin_family = AF_INET; 7337 sin->sin_len = sizeof(*sin); 7338 inp = (struct sctp_inpcb *)so->so_pcb; 7339 if (!inp) { 7340 SCTP_FREE_SONAME(sin); 7341 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7342 return (ECONNRESET); 7343 } 7344 SCTP_INP_RLOCK(inp); 7345 sin->sin_port = inp->sctp_lport; 7346 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7347 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7348 struct sctp_tcb *stcb; 7349 struct sockaddr_in *sin_a; 7350 struct sctp_nets *net; 7351 int fnd; 7352 7353 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7354 if (stcb == NULL) { 7355 goto notConn; 7356 } 7357 fnd = 0; 7358 sin_a = NULL; 7359 SCTP_TCB_LOCK(stcb); 7360 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7361 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7362 if (sin_a == NULL) 7363 /* this will make coverity happy */ 7364 continue; 7365 7366 if (sin_a->sin_family == AF_INET) { 7367 fnd = 1; 7368 break; 7369 } 7370 } 7371 if ((!fnd) || (sin_a == NULL)) { 7372 /* punt */ 7373 SCTP_TCB_UNLOCK(stcb); 7374 goto notConn; 7375 } 7376 vrf_id = inp->def_vrf_id; 7377 sctp_ifa = sctp_source_address_selection(inp, 7378 stcb, 7379 (sctp_route_t *) & net->ro, 7380 net, 0, vrf_id); 7381 if (sctp_ifa) { 7382 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7383 sctp_free_ifa(sctp_ifa); 7384 } 7385 SCTP_TCB_UNLOCK(stcb); 7386 } else { 7387 /* For the bound all case you get back 0 */ 7388 notConn: 7389 sin->sin_addr.s_addr = 0; 7390 } 7391 7392 } else { 7393 /* Take the first IPv4 address in the list */ 7394 struct sctp_laddr *laddr; 7395 int fnd = 0; 7396 7397 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7398 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7399 struct sockaddr_in *sin_a; 7400 7401 sin_a = &laddr->ifa->address.sin; 7402 sin->sin_addr = sin_a->sin_addr; 7403 fnd = 1; 7404 break; 7405 } 7406 } 7407 if (!fnd) { 7408 SCTP_FREE_SONAME(sin); 7409 SCTP_INP_RUNLOCK(inp); 7410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7411 return (ENOENT); 7412 } 7413 } 7414 SCTP_INP_RUNLOCK(inp); 7415 (*addr) = (struct sockaddr *)sin; 7416 return (0); 7417 } 7418 7419 int 7420 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7421 { 7422 struct sockaddr_in *sin; 7423 int fnd; 7424 struct sockaddr_in *sin_a; 7425 struct sctp_inpcb *inp; 7426 struct sctp_tcb *stcb; 7427 struct sctp_nets *net; 7428 7429 /* Do the malloc first in case it blocks. */ 7430 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7431 if (sin == NULL) 7432 return (ENOMEM); 7433 sin->sin_family = AF_INET; 7434 sin->sin_len = sizeof(*sin); 7435 7436 inp = (struct sctp_inpcb *)so->so_pcb; 7437 if ((inp == NULL) || 7438 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7439 /* UDP type and listeners will drop out here */ 7440 SCTP_FREE_SONAME(sin); 7441 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7442 return (ENOTCONN); 7443 } 7444 SCTP_INP_RLOCK(inp); 7445 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7446 if (stcb) { 7447 SCTP_TCB_LOCK(stcb); 7448 } 7449 SCTP_INP_RUNLOCK(inp); 7450 if (stcb == NULL) { 7451 SCTP_FREE_SONAME(sin); 7452 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7453 return (ECONNRESET); 7454 } 7455 fnd = 0; 7456 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7457 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7458 if (sin_a->sin_family == AF_INET) { 7459 fnd = 1; 7460 sin->sin_port = stcb->rport; 7461 sin->sin_addr = sin_a->sin_addr; 7462 break; 7463 } 7464 } 7465 SCTP_TCB_UNLOCK(stcb); 7466 if (!fnd) { 7467 /* No IPv4 address */ 7468 SCTP_FREE_SONAME(sin); 7469 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7470 return (ENOENT); 7471 } 7472 (*addr) = (struct sockaddr *)sin; 7473 return (0); 7474 } 7475 7476 struct pr_usrreqs sctp_usrreqs = { 7477 .pru_abort = sctp_abort, 7478 .pru_accept = sctp_accept, 7479 .pru_attach = sctp_attach, 7480 .pru_bind = sctp_bind, 7481 .pru_connect = sctp_connect, 7482 .pru_control = in_control, 7483 .pru_close = sctp_close, 7484 .pru_detach = sctp_close, 7485 .pru_sopoll = sopoll_generic, 7486 .pru_flush = sctp_flush, 7487 .pru_disconnect = sctp_disconnect, 7488 .pru_listen = sctp_listen, 7489 .pru_peeraddr = sctp_peeraddr, 7490 .pru_send = sctp_sendm, 7491 .pru_shutdown = sctp_shutdown, 7492 .pru_sockaddr = sctp_ingetaddr, 7493 .pru_sosend = sctp_sosend, 7494 .pru_soreceive = sctp_soreceive 7495 }; 7496 7497 #endif 7498