1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <netinet/sctp_os.h> 39 #include <sys/proc.h> 40 #include <netinet/sctp_pcb.h> 41 #include <netinet/sctp_header.h> 42 #include <netinet/sctp_var.h> 43 #ifdef INET6 44 #include <netinet6/sctp6_var.h> 45 #endif 46 #include <netinet/sctp_sysctl.h> 47 #include <netinet/sctp_output.h> 48 #include <netinet/sctp_uio.h> 49 #include <netinet/sctp_asconf.h> 50 #include <netinet/sctputil.h> 51 #include <netinet/sctp_indata.h> 52 #include <netinet/sctp_timer.h> 53 #include <netinet/sctp_auth.h> 54 #include <netinet/sctp_bsd_addr.h> 55 #include <netinet/udp.h> 56 #include <sys/eventhandler.h> 57 58 extern const struct sctp_cc_functions sctp_cc_functions[]; 59 extern const struct sctp_ss_functions sctp_ss_functions[]; 60 61 void 62 sctp_init(void) 63 { 64 u_long sb_max_adj; 65 66 /* Initialize and modify the sysctled variables */ 67 sctp_init_sysctls(); 68 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 69 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 70 /* 71 * Allow a user to take no more than 1/2 the number of clusters or 72 * the SB_MAX, whichever is smaller, for the send window. 73 */ 74 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 75 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 76 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 77 /* 78 * Now for the recv window, should we take the same amount? or 79 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 80 * now I will just copy. 81 */ 82 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 83 SCTP_BASE_VAR(first_time) = 0; 84 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 85 sctp_pcb_init(); 86 #if defined(SCTP_PACKET_LOGGING) 87 SCTP_BASE_VAR(packet_log_writers) = 0; 88 SCTP_BASE_VAR(packet_log_end) = 0; 89 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 90 #endif 91 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, 92 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); 93 } 94 95 #ifdef VIMAGE 96 static void 97 sctp_finish(void *unused __unused) 98 { 99 EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag)); 100 sctp_pcb_finish(); 101 } 102 103 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 104 #endif 105 106 void 107 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 108 { 109 struct sctp_tmit_chunk *chk; 110 uint16_t overhead; 111 112 /* Adjust that too */ 113 stcb->asoc.smallest_mtu = nxtsz; 114 /* now off to subtract IP_DF flag if needed */ 115 overhead = IP_HDR_SIZE + sizeof(struct sctphdr); 116 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 117 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 118 } 119 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 120 if ((chk->send_size + overhead) > nxtsz) { 121 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 122 } 123 } 124 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 125 if ((chk->send_size + overhead) > nxtsz) { 126 /* 127 * For this guy we also mark for immediate resend 128 * since we sent to big of chunk 129 */ 130 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 131 if (chk->sent < SCTP_DATAGRAM_RESEND) { 132 sctp_flight_size_decrease(chk); 133 sctp_total_flight_decrease(stcb, chk); 134 chk->sent = SCTP_DATAGRAM_RESEND; 135 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 136 chk->rec.data.doing_fast_retransmit = 0; 137 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 138 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 139 chk->whoTo->flight_size, 140 chk->book_size, 141 (uint32_t)(uintptr_t)chk->whoTo, 142 chk->rec.data.tsn); 143 } 144 /* Clear any time so NO RTT is being done */ 145 if (chk->do_rtt == 1) { 146 chk->do_rtt = 0; 147 chk->whoTo->rto_needed = 1; 148 } 149 } 150 } 151 } 152 } 153 154 #ifdef INET 155 void 156 sctp_notify(struct sctp_inpcb *inp, 157 struct sctp_tcb *stcb, 158 struct sctp_nets *net, 159 uint8_t icmp_type, 160 uint8_t icmp_code, 161 uint16_t ip_len, 162 uint32_t next_mtu) 163 { 164 int timer_stopped; 165 166 if (icmp_type != ICMP_UNREACH) { 167 /* We only care about unreachable */ 168 SCTP_TCB_UNLOCK(stcb); 169 return; 170 } 171 if ((icmp_code == ICMP_UNREACH_NET) || 172 (icmp_code == ICMP_UNREACH_HOST) || 173 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 174 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 175 (icmp_code == ICMP_UNREACH_ISOLATED) || 176 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 177 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 178 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 179 /* Mark the net unreachable. */ 180 if (net->dest_state & SCTP_ADDR_REACHABLE) { 181 /* OK, that destination is NOT reachable. */ 182 net->dest_state &= ~SCTP_ADDR_REACHABLE; 183 net->dest_state &= ~SCTP_ADDR_PF; 184 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 185 stcb, 0, 186 (void *)net, SCTP_SO_NOT_LOCKED); 187 } 188 SCTP_TCB_UNLOCK(stcb); 189 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 190 (icmp_code == ICMP_UNREACH_PORT)) { 191 /* Treat it like an ABORT. */ 192 sctp_abort_notification(stcb, true, false, 0, NULL, SCTP_SO_NOT_LOCKED); 193 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 194 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 195 /* no need to unlock here, since the TCB is gone */ 196 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 197 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 198 SCTP_TCB_UNLOCK(stcb); 199 return; 200 } 201 /* Find the next (smaller) MTU */ 202 if (next_mtu == 0) { 203 /* 204 * Old type router that does not tell us what the 205 * next MTU is. Rats we will have to guess (in a 206 * educated fashion of course). 207 */ 208 next_mtu = sctp_get_prev_mtu(ip_len); 209 } 210 /* Stop the PMTU timer. */ 211 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 212 timer_stopped = 1; 213 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 214 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 215 } else { 216 timer_stopped = 0; 217 } 218 /* Update the path MTU. */ 219 if (net->port) { 220 next_mtu -= sizeof(struct udphdr); 221 } 222 if (net->mtu > next_mtu) { 223 net->mtu = next_mtu; 224 if (net->port) { 225 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 226 } else { 227 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 228 } 229 } 230 /* Update the association MTU */ 231 if (stcb->asoc.smallest_mtu > next_mtu) { 232 sctp_pathmtu_adjustment(stcb, next_mtu); 233 } 234 /* Finally, start the PMTU timer if it was running before. */ 235 if (timer_stopped) { 236 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 237 } 238 SCTP_TCB_UNLOCK(stcb); 239 } else { 240 SCTP_TCB_UNLOCK(stcb); 241 } 242 } 243 244 void 245 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 246 { 247 struct ip *outer_ip; 248 struct ip *inner_ip; 249 struct sctphdr *sh; 250 struct icmp *icmp; 251 struct sctp_inpcb *inp; 252 struct sctp_tcb *stcb; 253 struct sctp_nets *net; 254 struct sctp_init_chunk *ch; 255 struct sockaddr_in src, dst; 256 257 if (sa->sa_family != AF_INET || 258 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 259 return; 260 } 261 if (PRC_IS_REDIRECT(cmd)) { 262 vip = NULL; 263 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 264 return; 265 } 266 if (vip != NULL) { 267 inner_ip = (struct ip *)vip; 268 icmp = (struct icmp *)((caddr_t)inner_ip - 269 (sizeof(struct icmp) - sizeof(struct ip))); 270 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 271 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 272 memset(&src, 0, sizeof(struct sockaddr_in)); 273 src.sin_family = AF_INET; 274 src.sin_len = sizeof(struct sockaddr_in); 275 src.sin_port = sh->src_port; 276 src.sin_addr = inner_ip->ip_src; 277 memset(&dst, 0, sizeof(struct sockaddr_in)); 278 dst.sin_family = AF_INET; 279 dst.sin_len = sizeof(struct sockaddr_in); 280 dst.sin_port = sh->dest_port; 281 dst.sin_addr = inner_ip->ip_dst; 282 /* 283 * 'dst' holds the dest of the packet that failed to be 284 * sent. 'src' holds our local endpoint address. Thus we 285 * reverse the dst and the src in the lookup. 286 */ 287 inp = NULL; 288 net = NULL; 289 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 290 (struct sockaddr *)&src, 291 &inp, &net, 1, 292 SCTP_DEFAULT_VRFID); 293 if ((stcb != NULL) && 294 (net != NULL) && 295 (inp != NULL)) { 296 /* Check the verification tag */ 297 if (ntohl(sh->v_tag) != 0) { 298 /* 299 * This must be the verification tag used 300 * for sending out packets. We don't 301 * consider packets reflecting the 302 * verification tag. 303 */ 304 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 305 SCTP_TCB_UNLOCK(stcb); 306 return; 307 } 308 } else { 309 if (ntohs(outer_ip->ip_len) >= 310 sizeof(struct ip) + 311 8 + (inner_ip->ip_hl << 2) + 20) { 312 /* 313 * In this case we can check if we 314 * got an INIT chunk and if the 315 * initiate tag matches. 316 */ 317 ch = (struct sctp_init_chunk *)(sh + 1); 318 if ((ch->ch.chunk_type != SCTP_INITIATION) || 319 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 320 SCTP_TCB_UNLOCK(stcb); 321 return; 322 } 323 } else { 324 SCTP_TCB_UNLOCK(stcb); 325 return; 326 } 327 } 328 sctp_notify(inp, stcb, net, 329 icmp->icmp_type, 330 icmp->icmp_code, 331 ntohs(inner_ip->ip_len), 332 (uint32_t)ntohs(icmp->icmp_nextmtu)); 333 } else { 334 if ((stcb == NULL) && (inp != NULL)) { 335 /* reduce ref-count */ 336 SCTP_INP_WLOCK(inp); 337 SCTP_INP_DECR_REF(inp); 338 SCTP_INP_WUNLOCK(inp); 339 } 340 if (stcb) { 341 SCTP_TCB_UNLOCK(stcb); 342 } 343 } 344 } 345 return; 346 } 347 #endif 348 349 static int 350 sctp_getcred(SYSCTL_HANDLER_ARGS) 351 { 352 struct xucred xuc; 353 struct sockaddr_in addrs[2]; 354 struct sctp_inpcb *inp; 355 struct sctp_nets *net; 356 struct sctp_tcb *stcb; 357 int error; 358 uint32_t vrf_id; 359 360 /* FIX, for non-bsd is this right? */ 361 vrf_id = SCTP_DEFAULT_VRFID; 362 363 error = priv_check(req->td, PRIV_NETINET_GETCRED); 364 365 if (error) 366 return (error); 367 368 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 369 if (error) 370 return (error); 371 372 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 373 sintosa(&addrs[0]), 374 &inp, &net, 1, vrf_id); 375 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 376 if ((inp != NULL) && (stcb == NULL)) { 377 /* reduce ref-count */ 378 SCTP_INP_WLOCK(inp); 379 SCTP_INP_DECR_REF(inp); 380 goto cred_can_cont; 381 } 382 383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 384 error = ENOENT; 385 goto out; 386 } 387 SCTP_TCB_UNLOCK(stcb); 388 /* 389 * We use the write lock here, only since in the error leg we need 390 * it. If we used RLOCK, then we would have to 391 * wlock/decr/unlock/rlock. Which in theory could create a hole. 392 * Better to use higher wlock. 393 */ 394 SCTP_INP_WLOCK(inp); 395 cred_can_cont: 396 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 397 if (error) { 398 SCTP_INP_WUNLOCK(inp); 399 goto out; 400 } 401 cru2x(inp->sctp_socket->so_cred, &xuc); 402 SCTP_INP_WUNLOCK(inp); 403 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 404 out: 405 return (error); 406 } 407 408 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 409 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 410 0, 0, sctp_getcred, "S,ucred", 411 "Get the ucred of a SCTP connection"); 412 413 #ifdef INET 414 static void 415 sctp_abort(struct socket *so) 416 { 417 struct epoch_tracker et; 418 struct sctp_inpcb *inp; 419 420 inp = (struct sctp_inpcb *)so->so_pcb; 421 if (inp == NULL) { 422 return; 423 } 424 425 SCTP_INP_WLOCK(inp); 426 NET_EPOCH_ENTER(et); 427 #ifdef SCTP_LOG_CLOSING 428 sctp_log_closing(inp, NULL, 17); 429 #endif 430 if (((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0)) { 431 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 432 #ifdef SCTP_LOG_CLOSING 433 sctp_log_closing(inp, NULL, 16); 434 #endif 435 SCTP_INP_WUNLOCK(inp); 436 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 437 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 438 SOCK_LOCK(so); 439 SCTP_SB_CLEAR(so->so_snd); 440 /* 441 * same for the rcv ones, they are only here for the 442 * accounting/select. 443 */ 444 SCTP_SB_CLEAR(so->so_rcv); 445 446 /* Now null out the reference, we are completely detached. */ 447 so->so_pcb = NULL; 448 SOCK_UNLOCK(so); 449 } else { 450 SCTP_INP_WUNLOCK(inp); 451 } 452 NET_EPOCH_EXIT(et); 453 } 454 455 static int 456 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 457 { 458 struct sctp_inpcb *inp; 459 struct inpcb *ip_inp; 460 int error; 461 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 462 463 inp = (struct sctp_inpcb *)so->so_pcb; 464 if (inp != NULL) { 465 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 466 return (EINVAL); 467 } 468 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 469 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 470 if (error) { 471 return (error); 472 } 473 } 474 error = sctp_inpcb_alloc(so, vrf_id); 475 if (error) { 476 return (error); 477 } 478 inp = (struct sctp_inpcb *)so->so_pcb; 479 SCTP_INP_WLOCK(inp); 480 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 481 ip_inp = &inp->ip_inp.inp; 482 ip_inp->inp_vflag |= INP_IPV4; 483 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 484 SCTP_INP_WUNLOCK(inp); 485 return (0); 486 } 487 488 static int 489 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 490 { 491 struct sctp_inpcb *inp; 492 493 inp = (struct sctp_inpcb *)so->so_pcb; 494 if (inp == NULL) { 495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 496 return (EINVAL); 497 } 498 if (addr != NULL) { 499 if ((addr->sa_family != AF_INET) || 500 (addr->sa_len != sizeof(struct sockaddr_in))) { 501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 502 return (EINVAL); 503 } 504 } 505 return (sctp_inpcb_bind(so, addr, NULL, p)); 506 } 507 508 #endif 509 void 510 sctp_close(struct socket *so) 511 { 512 struct epoch_tracker et; 513 struct sctp_inpcb *inp; 514 515 inp = (struct sctp_inpcb *)so->so_pcb; 516 if (inp == NULL) 517 return; 518 519 /* 520 * Inform all the lower layer assoc that we are done. 521 */ 522 SCTP_INP_WLOCK(inp); 523 NET_EPOCH_ENTER(et); 524 #ifdef SCTP_LOG_CLOSING 525 sctp_log_closing(inp, NULL, 17); 526 #endif 527 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 528 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 529 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 530 (so->so_rcv.sb_cc > 0)) { 531 #ifdef SCTP_LOG_CLOSING 532 sctp_log_closing(inp, NULL, 13); 533 #endif 534 SCTP_INP_WUNLOCK(inp); 535 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 536 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 537 } else { 538 #ifdef SCTP_LOG_CLOSING 539 sctp_log_closing(inp, NULL, 14); 540 #endif 541 SCTP_INP_WUNLOCK(inp); 542 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 543 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 544 } 545 /* 546 * The socket is now detached, no matter what the state of 547 * the SCTP association. 548 */ 549 SOCK_LOCK(so); 550 SCTP_SB_CLEAR(so->so_snd); 551 /* 552 * same for the rcv ones, they are only here for the 553 * accounting/select. 554 */ 555 SCTP_SB_CLEAR(so->so_rcv); 556 557 /* Now null out the reference, we are completely detached. */ 558 so->so_pcb = NULL; 559 SOCK_UNLOCK(so); 560 } else { 561 SCTP_INP_WUNLOCK(inp); 562 } 563 NET_EPOCH_EXIT(et); 564 } 565 566 int 567 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 568 struct mbuf *control, struct thread *p); 569 570 int 571 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 572 struct mbuf *control, struct thread *p) 573 { 574 struct sctp_inpcb *inp; 575 int error; 576 577 inp = (struct sctp_inpcb *)so->so_pcb; 578 if (inp == NULL) { 579 if (control) { 580 sctp_m_freem(control); 581 control = NULL; 582 } 583 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 584 sctp_m_freem(m); 585 return (EINVAL); 586 } 587 /* Got to have an to address if we are NOT a connected socket */ 588 if ((addr == NULL) && 589 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 590 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 591 goto connected_type; 592 } 593 594 error = 0; 595 if (addr == NULL) { 596 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 597 error = EDESTADDRREQ; 598 } else if (addr->sa_family != AF_INET) { 599 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 600 error = EAFNOSUPPORT; 601 } else if (addr->sa_len != sizeof(struct sockaddr_in)) { 602 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 603 error = EINVAL; 604 } 605 if (error != 0) { 606 sctp_m_freem(m); 607 if (control) { 608 sctp_m_freem(control); 609 control = NULL; 610 } 611 return (error); 612 } 613 connected_type: 614 /* now what about control */ 615 if (control) { 616 if (inp->control) { 617 sctp_m_freem(inp->control); 618 inp->control = NULL; 619 } 620 inp->control = control; 621 } 622 /* Place the data */ 623 if (inp->pkt) { 624 SCTP_BUF_NEXT(inp->pkt_last) = m; 625 inp->pkt_last = m; 626 } else { 627 inp->pkt_last = inp->pkt = m; 628 } 629 if ( 630 /* FreeBSD uses a flag passed */ 631 ((flags & PRUS_MORETOCOME) == 0) 632 ) { 633 /* 634 * note with the current version this code will only be used 635 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 636 * re-defining sosend to use the sctp_sosend. One can 637 * optionally switch back to this code (by changing back the 638 * definitions) but this is not advisable. This code is used 639 * by FreeBSD when sending a file with sendfile() though. 640 */ 641 struct epoch_tracker et; 642 int ret; 643 644 NET_EPOCH_ENTER(et); 645 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 646 NET_EPOCH_EXIT(et); 647 inp->pkt = NULL; 648 inp->control = NULL; 649 return (ret); 650 } else { 651 return (0); 652 } 653 } 654 655 int 656 sctp_disconnect(struct socket *so) 657 { 658 struct sctp_inpcb *inp; 659 660 inp = (struct sctp_inpcb *)so->so_pcb; 661 if (inp == NULL) { 662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 663 return (ENOTCONN); 664 } 665 SCTP_INP_RLOCK(inp); 666 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 667 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 668 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 669 /* No connection */ 670 SCTP_INP_RUNLOCK(inp); 671 return (0); 672 } else { 673 struct epoch_tracker et; 674 struct sctp_association *asoc; 675 struct sctp_tcb *stcb; 676 677 stcb = LIST_FIRST(&inp->sctp_asoc_list); 678 if (stcb == NULL) { 679 SCTP_INP_RUNLOCK(inp); 680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 681 return (EINVAL); 682 } 683 SCTP_TCB_LOCK(stcb); 684 asoc = &stcb->asoc; 685 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 686 /* We are about to be freed, out of here */ 687 SCTP_TCB_UNLOCK(stcb); 688 SCTP_INP_RUNLOCK(inp); 689 return (0); 690 } 691 NET_EPOCH_ENTER(et); 692 if (((so->so_options & SO_LINGER) && 693 (so->so_linger == 0)) || 694 (so->so_rcv.sb_cc > 0)) { 695 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 696 /* Left with Data unread */ 697 struct mbuf *op_err; 698 699 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 700 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 701 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 702 } 703 SCTP_INP_RUNLOCK(inp); 704 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 705 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 706 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 707 } 708 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 709 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 710 /* No unlock tcb assoc is gone */ 711 NET_EPOCH_EXIT(et); 712 return (0); 713 } 714 if (TAILQ_EMPTY(&asoc->send_queue) && 715 TAILQ_EMPTY(&asoc->sent_queue) && 716 (asoc->stream_queue_cnt == 0)) { 717 /* there is nothing queued to send, so done */ 718 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 719 goto abort_anyway; 720 } 721 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 722 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 723 /* only send SHUTDOWN 1st time thru */ 724 struct sctp_nets *netp; 725 726 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 727 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 728 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 729 } 730 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 731 sctp_stop_timers_for_shutdown(stcb); 732 if (stcb->asoc.alternate) { 733 netp = stcb->asoc.alternate; 734 } else { 735 netp = stcb->asoc.primary_destination; 736 } 737 sctp_send_shutdown(stcb, netp); 738 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 739 stcb->sctp_ep, stcb, netp); 740 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 741 stcb->sctp_ep, stcb, NULL); 742 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 743 } 744 } else { 745 /* 746 * we still got (or just got) data to send, 747 * so set SHUTDOWN_PENDING 748 */ 749 /* 750 * XXX sockets draft says that SCTP_EOF 751 * should be sent with no data. currently, 752 * we will allow user data to be sent first 753 * and move to SHUTDOWN-PENDING 754 */ 755 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 756 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 757 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 758 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 759 } 760 if (TAILQ_EMPTY(&asoc->send_queue) && 761 TAILQ_EMPTY(&asoc->sent_queue) && 762 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 763 struct mbuf *op_err; 764 765 abort_anyway: 766 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 767 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 768 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 769 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 770 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 771 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 772 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 773 } 774 SCTP_INP_RUNLOCK(inp); 775 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 776 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 777 NET_EPOCH_EXIT(et); 778 return (0); 779 } else { 780 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 781 } 782 } 783 soisdisconnecting(so); 784 NET_EPOCH_EXIT(et); 785 SCTP_TCB_UNLOCK(stcb); 786 SCTP_INP_RUNLOCK(inp); 787 return (0); 788 } 789 /* not reached */ 790 } else { 791 /* UDP model does not support this */ 792 SCTP_INP_RUNLOCK(inp); 793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 794 return (EOPNOTSUPP); 795 } 796 } 797 798 int 799 sctp_flush(struct socket *so, int how) 800 { 801 /* 802 * We will just clear out the values and let subsequent close clear 803 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 804 * they will not be able to read the data, the socket will block 805 * that from happening. 806 */ 807 struct sctp_inpcb *inp; 808 809 inp = (struct sctp_inpcb *)so->so_pcb; 810 if (inp == NULL) { 811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 812 return (EINVAL); 813 } 814 SCTP_INP_RLOCK(inp); 815 /* For the 1 to many model this does nothing */ 816 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 817 SCTP_INP_RUNLOCK(inp); 818 return (0); 819 } 820 SCTP_INP_RUNLOCK(inp); 821 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 822 /* 823 * First make sure the sb will be happy, we don't use these 824 * except maybe the count 825 */ 826 SCTP_INP_WLOCK(inp); 827 SCTP_INP_READ_LOCK(inp); 828 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 829 SCTP_INP_READ_UNLOCK(inp); 830 SCTP_INP_WUNLOCK(inp); 831 so->so_rcv.sb_cc = 0; 832 so->so_rcv.sb_mbcnt = 0; 833 so->so_rcv.sb_mb = NULL; 834 } 835 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 836 /* 837 * First make sure the sb will be happy, we don't use these 838 * except maybe the count 839 */ 840 so->so_snd.sb_cc = 0; 841 so->so_snd.sb_mbcnt = 0; 842 so->so_snd.sb_mb = NULL; 843 } 844 return (0); 845 } 846 847 int 848 sctp_shutdown(struct socket *so) 849 { 850 struct sctp_inpcb *inp; 851 852 inp = (struct sctp_inpcb *)so->so_pcb; 853 if (inp == NULL) { 854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 855 return (EINVAL); 856 } 857 SCTP_INP_RLOCK(inp); 858 /* For UDP model this is a invalid call */ 859 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 860 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 861 /* Restore the flags that the soshutdown took away. */ 862 SOCKBUF_LOCK(&so->so_rcv); 863 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 864 SOCKBUF_UNLOCK(&so->so_rcv); 865 /* This proc will wakeup for read and do nothing (I hope) */ 866 SCTP_INP_RUNLOCK(inp); 867 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 868 return (EOPNOTSUPP); 869 } else { 870 /* 871 * Ok, if we reach here its the TCP model and it is either a 872 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 873 * against it. 874 */ 875 struct epoch_tracker et; 876 struct sctp_tcb *stcb; 877 struct sctp_association *asoc; 878 struct sctp_nets *netp; 879 880 if ((so->so_state & 881 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 882 SCTP_INP_RUNLOCK(inp); 883 return (ENOTCONN); 884 } 885 socantsendmore(so); 886 887 stcb = LIST_FIRST(&inp->sctp_asoc_list); 888 if (stcb == NULL) { 889 /* 890 * Ok, we hit the case that the shutdown call was 891 * made after an abort or something. Nothing to do 892 * now. 893 */ 894 SCTP_INP_RUNLOCK(inp); 895 return (0); 896 } 897 SCTP_TCB_LOCK(stcb); 898 asoc = &stcb->asoc; 899 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 900 SCTP_TCB_UNLOCK(stcb); 901 SCTP_INP_RUNLOCK(inp); 902 return (0); 903 } 904 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 905 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 906 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 907 /* 908 * If we are not in or before ESTABLISHED, there is 909 * no protocol action required. 910 */ 911 SCTP_TCB_UNLOCK(stcb); 912 SCTP_INP_RUNLOCK(inp); 913 return (0); 914 } 915 NET_EPOCH_ENTER(et); 916 if (stcb->asoc.alternate) { 917 netp = stcb->asoc.alternate; 918 } else { 919 netp = stcb->asoc.primary_destination; 920 } 921 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 922 TAILQ_EMPTY(&asoc->send_queue) && 923 TAILQ_EMPTY(&asoc->sent_queue) && 924 (asoc->stream_queue_cnt == 0)) { 925 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 926 goto abort_anyway; 927 } 928 /* there is nothing queued to send, so I'm done... */ 929 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 930 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 931 sctp_stop_timers_for_shutdown(stcb); 932 sctp_send_shutdown(stcb, netp); 933 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 934 stcb->sctp_ep, stcb, netp); 935 } else { 936 /* 937 * We still got (or just got) data to send, so set 938 * SHUTDOWN_PENDING. 939 */ 940 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 941 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 942 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 943 } 944 if (TAILQ_EMPTY(&asoc->send_queue) && 945 TAILQ_EMPTY(&asoc->sent_queue) && 946 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 947 struct mbuf *op_err; 948 949 abort_anyway: 950 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 951 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 952 SCTP_INP_RUNLOCK(inp); 953 sctp_abort_an_association(stcb->sctp_ep, stcb, 954 op_err, false, SCTP_SO_LOCKED); 955 NET_EPOCH_EXIT(et); 956 return (0); 957 } 958 } 959 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 960 /* 961 * XXX: Why do this in the case where we have still data 962 * queued? 963 */ 964 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 965 SCTP_TCB_UNLOCK(stcb); 966 SCTP_INP_RUNLOCK(inp); 967 NET_EPOCH_EXIT(et); 968 return (0); 969 } 970 } 971 972 /* 973 * copies a "user" presentable address and removes embedded scope, etc. 974 * returns 0 on success, 1 on error 975 */ 976 static uint32_t 977 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 978 { 979 #ifdef INET6 980 struct sockaddr_in6 lsa6; 981 982 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 983 &lsa6); 984 #endif 985 memcpy(dst, src, src->sa_len); 986 return (0); 987 } 988 989 static size_t 990 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 991 struct sctp_tcb *stcb, 992 size_t limit, 993 struct sockaddr *addr, 994 uint32_t vrf_id) 995 { 996 struct sctp_ifn *sctp_ifn; 997 struct sctp_ifa *sctp_ifa; 998 size_t actual; 999 int loopback_scope; 1000 #if defined(INET) 1001 int ipv4_local_scope, ipv4_addr_legal; 1002 #endif 1003 #if defined(INET6) 1004 int local_scope, site_scope, ipv6_addr_legal; 1005 #endif 1006 struct sctp_vrf *vrf; 1007 1008 SCTP_IPI_ADDR_LOCK_ASSERT(); 1009 actual = 0; 1010 if (limit == 0) 1011 return (actual); 1012 1013 if (stcb) { 1014 /* Turn on all the appropriate scope */ 1015 loopback_scope = stcb->asoc.scope.loopback_scope; 1016 #if defined(INET) 1017 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1018 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1019 #endif 1020 #if defined(INET6) 1021 local_scope = stcb->asoc.scope.local_scope; 1022 site_scope = stcb->asoc.scope.site_scope; 1023 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1024 #endif 1025 } else { 1026 /* Use generic values for endpoints. */ 1027 loopback_scope = 1; 1028 #if defined(INET) 1029 ipv4_local_scope = 1; 1030 #endif 1031 #if defined(INET6) 1032 local_scope = 1; 1033 site_scope = 1; 1034 #endif 1035 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1036 #if defined(INET6) 1037 ipv6_addr_legal = 1; 1038 #endif 1039 #if defined(INET) 1040 if (SCTP_IPV6_V6ONLY(inp)) { 1041 ipv4_addr_legal = 0; 1042 } else { 1043 ipv4_addr_legal = 1; 1044 } 1045 #endif 1046 } else { 1047 #if defined(INET6) 1048 ipv6_addr_legal = 0; 1049 #endif 1050 #if defined(INET) 1051 ipv4_addr_legal = 1; 1052 #endif 1053 } 1054 } 1055 vrf = sctp_find_vrf(vrf_id); 1056 if (vrf == NULL) { 1057 return (0); 1058 } 1059 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1060 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1061 if ((loopback_scope == 0) && 1062 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1063 /* Skip loopback if loopback_scope not set */ 1064 continue; 1065 } 1066 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1067 if (stcb) { 1068 /* 1069 * For the BOUND-ALL case, the list 1070 * associated with a TCB is Always 1071 * considered a reverse list.. i.e. 1072 * it lists addresses that are NOT 1073 * part of the association. If this 1074 * is one of those we must skip it. 1075 */ 1076 if (sctp_is_addr_restricted(stcb, 1077 sctp_ifa)) { 1078 continue; 1079 } 1080 } 1081 switch (sctp_ifa->address.sa.sa_family) { 1082 #ifdef INET 1083 case AF_INET: 1084 if (ipv4_addr_legal) { 1085 struct sockaddr_in *sin; 1086 1087 sin = &sctp_ifa->address.sin; 1088 if (sin->sin_addr.s_addr == 0) { 1089 /* 1090 * we skip 1091 * unspecifed 1092 * addresses 1093 */ 1094 continue; 1095 } 1096 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1097 &sin->sin_addr) != 0) { 1098 continue; 1099 } 1100 if ((ipv4_local_scope == 0) && 1101 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1102 continue; 1103 } 1104 #ifdef INET6 1105 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1106 if (actual + sizeof(struct sockaddr_in6) > limit) { 1107 return (actual); 1108 } 1109 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr); 1110 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1111 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1112 actual += sizeof(struct sockaddr_in6); 1113 } else { 1114 #endif 1115 if (actual + sizeof(struct sockaddr_in) > limit) { 1116 return (actual); 1117 } 1118 memcpy(addr, sin, sizeof(struct sockaddr_in)); 1119 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1120 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); 1121 actual += sizeof(struct sockaddr_in); 1122 #ifdef INET6 1123 } 1124 #endif 1125 } else { 1126 continue; 1127 } 1128 break; 1129 #endif 1130 #ifdef INET6 1131 case AF_INET6: 1132 if (ipv6_addr_legal) { 1133 struct sockaddr_in6 *sin6; 1134 1135 sin6 = &sctp_ifa->address.sin6; 1136 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1137 /* 1138 * we skip 1139 * unspecifed 1140 * addresses 1141 */ 1142 continue; 1143 } 1144 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1145 &sin6->sin6_addr) != 0) { 1146 continue; 1147 } 1148 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1149 if (local_scope == 0) 1150 continue; 1151 if (sin6->sin6_scope_id == 0) { 1152 if (sa6_recoverscope(sin6) != 0) 1153 /* 1154 * 1155 * bad 1156 * link 1157 * 1158 * local 1159 * 1160 * address 1161 */ 1162 continue; 1163 } 1164 } 1165 if ((site_scope == 0) && 1166 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1167 continue; 1168 } 1169 if (actual + sizeof(struct sockaddr_in6) > limit) { 1170 return (actual); 1171 } 1172 memcpy(addr, sin6, sizeof(struct sockaddr_in6)); 1173 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1174 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1175 actual += sizeof(struct sockaddr_in6); 1176 } else { 1177 continue; 1178 } 1179 break; 1180 #endif 1181 default: 1182 /* TSNH */ 1183 break; 1184 } 1185 } 1186 } 1187 } else { 1188 struct sctp_laddr *laddr; 1189 size_t sa_len; 1190 1191 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1192 if (stcb) { 1193 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1194 continue; 1195 } 1196 } 1197 sa_len = laddr->ifa->address.sa.sa_len; 1198 if (actual + sa_len > limit) { 1199 return (actual); 1200 } 1201 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) 1202 continue; 1203 switch (laddr->ifa->address.sa.sa_family) { 1204 #ifdef INET 1205 case AF_INET: 1206 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1207 break; 1208 #endif 1209 #ifdef INET6 1210 case AF_INET6: 1211 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1212 break; 1213 #endif 1214 default: 1215 /* TSNH */ 1216 break; 1217 } 1218 addr = (struct sockaddr *)((caddr_t)addr + sa_len); 1219 actual += sa_len; 1220 } 1221 } 1222 return (actual); 1223 } 1224 1225 static size_t 1226 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1227 struct sctp_tcb *stcb, 1228 size_t limit, 1229 struct sockaddr *addr) 1230 { 1231 size_t size; 1232 1233 SCTP_IPI_ADDR_RLOCK(); 1234 /* fill up addresses for the endpoint's default vrf */ 1235 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, 1236 inp->def_vrf_id); 1237 SCTP_IPI_ADDR_RUNLOCK(); 1238 return (size); 1239 } 1240 1241 static size_t 1242 sctp_max_size_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1243 { 1244 struct sctp_vrf *vrf; 1245 size_t size; 1246 1247 /* 1248 * In both sub-set bound an bound_all cases we return the size of 1249 * the maximum number of addresses that you could get. In reality 1250 * the sub-set bound may have an exclusion list for a given TCB or 1251 * in the bound-all case a TCB may NOT include the loopback or other 1252 * addresses as well. 1253 */ 1254 SCTP_IPI_ADDR_LOCK_ASSERT(); 1255 vrf = sctp_find_vrf(vrf_id); 1256 if (vrf == NULL) { 1257 return (0); 1258 } 1259 size = 0; 1260 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1261 struct sctp_ifn *sctp_ifn; 1262 struct sctp_ifa *sctp_ifa; 1263 1264 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1265 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1266 /* Count them if they are the right type */ 1267 switch (sctp_ifa->address.sa.sa_family) { 1268 #ifdef INET 1269 case AF_INET: 1270 #ifdef INET6 1271 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1272 size += sizeof(struct sockaddr_in6); 1273 else 1274 size += sizeof(struct sockaddr_in); 1275 #else 1276 size += sizeof(struct sockaddr_in); 1277 #endif 1278 break; 1279 #endif 1280 #ifdef INET6 1281 case AF_INET6: 1282 size += sizeof(struct sockaddr_in6); 1283 break; 1284 #endif 1285 default: 1286 break; 1287 } 1288 } 1289 } 1290 } else { 1291 struct sctp_laddr *laddr; 1292 1293 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1294 switch (laddr->ifa->address.sa.sa_family) { 1295 #ifdef INET 1296 case AF_INET: 1297 #ifdef INET6 1298 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1299 size += sizeof(struct sockaddr_in6); 1300 else 1301 size += sizeof(struct sockaddr_in); 1302 #else 1303 size += sizeof(struct sockaddr_in); 1304 #endif 1305 break; 1306 #endif 1307 #ifdef INET6 1308 case AF_INET6: 1309 size += sizeof(struct sockaddr_in6); 1310 break; 1311 #endif 1312 default: 1313 break; 1314 } 1315 } 1316 } 1317 return (size); 1318 } 1319 1320 static size_t 1321 sctp_max_size_addresses(struct sctp_inpcb *inp) 1322 { 1323 size_t size; 1324 1325 SCTP_IPI_ADDR_RLOCK(); 1326 /* Maximum size of all addresses for the endpoint's default VRF */ 1327 size = sctp_max_size_addresses_vrf(inp, inp->def_vrf_id); 1328 SCTP_IPI_ADDR_RUNLOCK(); 1329 return (size); 1330 } 1331 1332 static int 1333 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1334 size_t optsize, void *p, int delay) 1335 { 1336 int error; 1337 int creat_lock_on = 0; 1338 struct sctp_tcb *stcb = NULL; 1339 struct sockaddr *sa; 1340 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1341 uint32_t vrf_id; 1342 sctp_assoc_t *a_id; 1343 1344 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1345 1346 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1347 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1348 /* We are already connected AND the TCP model */ 1349 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1350 return (EADDRINUSE); 1351 } 1352 1353 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1354 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1355 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1356 return (EINVAL); 1357 } 1358 1359 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1360 SCTP_INP_RLOCK(inp); 1361 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1362 SCTP_INP_RUNLOCK(inp); 1363 } 1364 if (stcb) { 1365 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1366 return (EALREADY); 1367 } 1368 SCTP_INP_INCR_REF(inp); 1369 SCTP_ASOC_CREATE_LOCK(inp); 1370 creat_lock_on = 1; 1371 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1372 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1373 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1374 error = EFAULT; 1375 goto out_now; 1376 } 1377 totaddrp = (unsigned int *)optval; 1378 totaddr = *totaddrp; 1379 sa = (struct sockaddr *)(totaddrp + 1); 1380 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1381 if (error != 0) { 1382 /* Already have or am bring up an association */ 1383 SCTP_ASOC_CREATE_UNLOCK(inp); 1384 creat_lock_on = 0; 1385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1386 goto out_now; 1387 } 1388 #ifdef INET6 1389 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1390 (num_v6 > 0)) { 1391 error = EINVAL; 1392 goto out_now; 1393 } 1394 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1395 (num_v4 > 0)) { 1396 if (SCTP_IPV6_V6ONLY(inp)) { 1397 /* 1398 * if IPV6_V6ONLY flag, ignore connections destined 1399 * to a v4 addr or v4-mapped addr 1400 */ 1401 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1402 error = EINVAL; 1403 goto out_now; 1404 } 1405 } 1406 #endif /* INET6 */ 1407 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1408 SCTP_PCB_FLAGS_UNBOUND) { 1409 /* Bind a ephemeral port */ 1410 error = sctp_inpcb_bind(so, NULL, NULL, p); 1411 if (error) { 1412 goto out_now; 1413 } 1414 } 1415 1416 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1417 vrf_id = inp->def_vrf_id; 1418 1419 /* We are GOOD to go */ 1420 stcb = sctp_aloc_assoc(inp, sa, &error, 0, 0, vrf_id, 1421 inp->sctp_ep.pre_open_stream_count, 1422 inp->sctp_ep.port, 1423 (struct thread *)p, 1424 SCTP_INITIALIZE_AUTH_PARAMS); 1425 if (stcb == NULL) { 1426 /* Gak! no memory */ 1427 goto out_now; 1428 } 1429 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1430 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1431 /* Set the connected flag so we can queue data */ 1432 soisconnecting(so); 1433 } 1434 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1435 /* move to second address */ 1436 switch (sa->sa_family) { 1437 #ifdef INET 1438 case AF_INET: 1439 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1440 break; 1441 #endif 1442 #ifdef INET6 1443 case AF_INET6: 1444 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1445 break; 1446 #endif 1447 default: 1448 break; 1449 } 1450 1451 error = 0; 1452 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1453 /* Fill in the return id */ 1454 if (error) { 1455 goto out_now; 1456 } 1457 a_id = (sctp_assoc_t *)optval; 1458 *a_id = sctp_get_associd(stcb); 1459 1460 if (delay) { 1461 /* doing delayed connection */ 1462 stcb->asoc.delayed_connection = 1; 1463 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1464 } else { 1465 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1466 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1467 } 1468 SCTP_TCB_UNLOCK(stcb); 1469 out_now: 1470 if (creat_lock_on) { 1471 SCTP_ASOC_CREATE_UNLOCK(inp); 1472 } 1473 SCTP_INP_DECR_REF(inp); 1474 return (error); 1475 } 1476 1477 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1479 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1480 SCTP_INP_RLOCK(inp); \ 1481 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1482 if (stcb) { \ 1483 SCTP_TCB_LOCK(stcb); \ 1484 } \ 1485 SCTP_INP_RUNLOCK(inp); \ 1486 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1487 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1488 if (stcb == NULL) { \ 1489 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1490 error = ENOENT; \ 1491 break; \ 1492 } \ 1493 } else { \ 1494 stcb = NULL; \ 1495 } \ 1496 } 1497 1498 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1499 if (size < sizeof(type)) { \ 1500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1501 error = EINVAL; \ 1502 break; \ 1503 } else { \ 1504 destp = (type *)srcp; \ 1505 } \ 1506 } 1507 1508 static int 1509 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1510 void *p) 1511 { 1512 struct sctp_inpcb *inp = NULL; 1513 int error, val = 0; 1514 struct sctp_tcb *stcb = NULL; 1515 1516 if (optval == NULL) { 1517 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1518 return (EINVAL); 1519 } 1520 1521 inp = (struct sctp_inpcb *)so->so_pcb; 1522 if (inp == NULL) { 1523 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1524 return EINVAL; 1525 } 1526 error = 0; 1527 1528 switch (optname) { 1529 case SCTP_NODELAY: 1530 case SCTP_AUTOCLOSE: 1531 case SCTP_EXPLICIT_EOR: 1532 case SCTP_AUTO_ASCONF: 1533 case SCTP_DISABLE_FRAGMENTS: 1534 case SCTP_I_WANT_MAPPED_V4_ADDR: 1535 case SCTP_USE_EXT_RCVINFO: 1536 SCTP_INP_RLOCK(inp); 1537 switch (optname) { 1538 case SCTP_DISABLE_FRAGMENTS: 1539 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1540 break; 1541 case SCTP_I_WANT_MAPPED_V4_ADDR: 1542 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1543 break; 1544 case SCTP_AUTO_ASCONF: 1545 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1546 /* only valid for bound all sockets */ 1547 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1548 } else { 1549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1550 error = EINVAL; 1551 goto flags_out; 1552 } 1553 break; 1554 case SCTP_EXPLICIT_EOR: 1555 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1556 break; 1557 case SCTP_NODELAY: 1558 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1559 break; 1560 case SCTP_USE_EXT_RCVINFO: 1561 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1562 break; 1563 case SCTP_AUTOCLOSE: 1564 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1565 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1566 else 1567 val = 0; 1568 break; 1569 1570 default: 1571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1572 error = ENOPROTOOPT; 1573 } /* end switch (sopt->sopt_name) */ 1574 if (*optsize < sizeof(val)) { 1575 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1576 error = EINVAL; 1577 } 1578 flags_out: 1579 SCTP_INP_RUNLOCK(inp); 1580 if (error == 0) { 1581 /* return the option value */ 1582 *(int *)optval = val; 1583 *optsize = sizeof(val); 1584 } 1585 break; 1586 case SCTP_GET_PACKET_LOG: 1587 { 1588 #ifdef SCTP_PACKET_LOGGING 1589 uint8_t *target; 1590 int ret; 1591 1592 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1593 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1594 *optsize = ret; 1595 #else 1596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1597 error = EOPNOTSUPP; 1598 #endif 1599 break; 1600 } 1601 case SCTP_REUSE_PORT: 1602 { 1603 uint32_t *value; 1604 1605 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1606 /* Can't do this for a 1-m socket */ 1607 error = EINVAL; 1608 break; 1609 } 1610 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1611 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1612 *optsize = sizeof(uint32_t); 1613 break; 1614 } 1615 case SCTP_PARTIAL_DELIVERY_POINT: 1616 { 1617 uint32_t *value; 1618 1619 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1620 *value = inp->partial_delivery_point; 1621 *optsize = sizeof(uint32_t); 1622 break; 1623 } 1624 case SCTP_FRAGMENT_INTERLEAVE: 1625 { 1626 uint32_t *value; 1627 1628 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1629 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1630 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1631 *value = SCTP_FRAG_LEVEL_2; 1632 } else { 1633 *value = SCTP_FRAG_LEVEL_1; 1634 } 1635 } else { 1636 *value = SCTP_FRAG_LEVEL_0; 1637 } 1638 *optsize = sizeof(uint32_t); 1639 break; 1640 } 1641 case SCTP_INTERLEAVING_SUPPORTED: 1642 { 1643 struct sctp_assoc_value *av; 1644 1645 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1646 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1647 1648 if (stcb) { 1649 av->assoc_value = stcb->asoc.idata_supported; 1650 SCTP_TCB_UNLOCK(stcb); 1651 } else { 1652 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1653 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1654 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1655 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1656 SCTP_INP_RLOCK(inp); 1657 if (inp->idata_supported) { 1658 av->assoc_value = 1; 1659 } else { 1660 av->assoc_value = 0; 1661 } 1662 SCTP_INP_RUNLOCK(inp); 1663 } else { 1664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1665 error = EINVAL; 1666 } 1667 } 1668 if (error == 0) { 1669 *optsize = sizeof(struct sctp_assoc_value); 1670 } 1671 break; 1672 } 1673 case SCTP_CMT_ON_OFF: 1674 { 1675 struct sctp_assoc_value *av; 1676 1677 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1678 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1679 if (stcb) { 1680 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1681 SCTP_TCB_UNLOCK(stcb); 1682 } else { 1683 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1684 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1685 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1686 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1687 SCTP_INP_RLOCK(inp); 1688 av->assoc_value = inp->sctp_cmt_on_off; 1689 SCTP_INP_RUNLOCK(inp); 1690 } else { 1691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1692 error = EINVAL; 1693 } 1694 } 1695 if (error == 0) { 1696 *optsize = sizeof(struct sctp_assoc_value); 1697 } 1698 break; 1699 } 1700 case SCTP_PLUGGABLE_CC: 1701 { 1702 struct sctp_assoc_value *av; 1703 1704 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1705 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1706 if (stcb) { 1707 av->assoc_value = stcb->asoc.congestion_control_module; 1708 SCTP_TCB_UNLOCK(stcb); 1709 } else { 1710 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1711 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1712 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1713 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1714 SCTP_INP_RLOCK(inp); 1715 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1716 SCTP_INP_RUNLOCK(inp); 1717 } else { 1718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1719 error = EINVAL; 1720 } 1721 } 1722 if (error == 0) { 1723 *optsize = sizeof(struct sctp_assoc_value); 1724 } 1725 break; 1726 } 1727 case SCTP_CC_OPTION: 1728 { 1729 struct sctp_cc_option *cc_opt; 1730 1731 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1732 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1733 if (stcb == NULL) { 1734 error = EINVAL; 1735 } else { 1736 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1737 error = ENOTSUP; 1738 } else { 1739 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1740 *optsize = sizeof(struct sctp_cc_option); 1741 } 1742 SCTP_TCB_UNLOCK(stcb); 1743 } 1744 break; 1745 } 1746 case SCTP_PLUGGABLE_SS: 1747 { 1748 struct sctp_assoc_value *av; 1749 1750 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1751 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1752 if (stcb) { 1753 av->assoc_value = stcb->asoc.stream_scheduling_module; 1754 SCTP_TCB_UNLOCK(stcb); 1755 } else { 1756 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1757 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1758 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1759 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1760 SCTP_INP_RLOCK(inp); 1761 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1762 SCTP_INP_RUNLOCK(inp); 1763 } else { 1764 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1765 error = EINVAL; 1766 } 1767 } 1768 if (error == 0) { 1769 *optsize = sizeof(struct sctp_assoc_value); 1770 } 1771 break; 1772 } 1773 case SCTP_SS_VALUE: 1774 { 1775 struct sctp_stream_value *av; 1776 1777 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1778 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1779 if (stcb) { 1780 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1781 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1782 &av->stream_value) < 0)) { 1783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1784 error = EINVAL; 1785 } else { 1786 *optsize = sizeof(struct sctp_stream_value); 1787 } 1788 SCTP_TCB_UNLOCK(stcb); 1789 } else { 1790 /* 1791 * Can't get stream value without 1792 * association 1793 */ 1794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1795 error = EINVAL; 1796 } 1797 break; 1798 } 1799 case SCTP_GET_ADDR_LEN: 1800 { 1801 struct sctp_assoc_value *av; 1802 1803 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1804 error = EINVAL; 1805 #ifdef INET 1806 if (av->assoc_value == AF_INET) { 1807 av->assoc_value = sizeof(struct sockaddr_in); 1808 error = 0; 1809 } 1810 #endif 1811 #ifdef INET6 1812 if (av->assoc_value == AF_INET6) { 1813 av->assoc_value = sizeof(struct sockaddr_in6); 1814 error = 0; 1815 } 1816 #endif 1817 if (error) { 1818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1819 } else { 1820 *optsize = sizeof(struct sctp_assoc_value); 1821 } 1822 break; 1823 } 1824 case SCTP_GET_ASSOC_NUMBER: 1825 { 1826 uint32_t *value, cnt; 1827 1828 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1829 SCTP_INP_RLOCK(inp); 1830 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1831 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1832 /* Can't do this for a 1-1 socket */ 1833 error = EINVAL; 1834 SCTP_INP_RUNLOCK(inp); 1835 break; 1836 } 1837 cnt = 0; 1838 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1839 cnt++; 1840 } 1841 SCTP_INP_RUNLOCK(inp); 1842 *value = cnt; 1843 *optsize = sizeof(uint32_t); 1844 break; 1845 } 1846 case SCTP_GET_ASSOC_ID_LIST: 1847 { 1848 struct sctp_assoc_ids *ids; 1849 uint32_t at; 1850 size_t limit; 1851 1852 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1853 SCTP_INP_RLOCK(inp); 1854 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1855 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1856 /* Can't do this for a 1-1 socket */ 1857 error = EINVAL; 1858 SCTP_INP_RUNLOCK(inp); 1859 break; 1860 } 1861 at = 0; 1862 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1863 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1864 if (at < limit) { 1865 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1866 if (at == 0) { 1867 error = EINVAL; 1868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1869 break; 1870 } 1871 } else { 1872 error = EINVAL; 1873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1874 break; 1875 } 1876 } 1877 SCTP_INP_RUNLOCK(inp); 1878 if (error == 0) { 1879 ids->gaids_number_of_ids = at; 1880 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1881 } 1882 break; 1883 } 1884 case SCTP_CONTEXT: 1885 { 1886 struct sctp_assoc_value *av; 1887 1888 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1889 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1890 1891 if (stcb) { 1892 av->assoc_value = stcb->asoc.context; 1893 SCTP_TCB_UNLOCK(stcb); 1894 } else { 1895 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1896 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1897 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1898 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1899 SCTP_INP_RLOCK(inp); 1900 av->assoc_value = inp->sctp_context; 1901 SCTP_INP_RUNLOCK(inp); 1902 } else { 1903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1904 error = EINVAL; 1905 } 1906 } 1907 if (error == 0) { 1908 *optsize = sizeof(struct sctp_assoc_value); 1909 } 1910 break; 1911 } 1912 case SCTP_VRF_ID: 1913 { 1914 uint32_t *default_vrfid; 1915 1916 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1917 *default_vrfid = inp->def_vrf_id; 1918 *optsize = sizeof(uint32_t); 1919 break; 1920 } 1921 case SCTP_GET_ASOC_VRF: 1922 { 1923 struct sctp_assoc_value *id; 1924 1925 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1926 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1927 if (stcb == NULL) { 1928 error = EINVAL; 1929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1930 } else { 1931 id->assoc_value = stcb->asoc.vrf_id; 1932 SCTP_TCB_UNLOCK(stcb); 1933 *optsize = sizeof(struct sctp_assoc_value); 1934 } 1935 break; 1936 } 1937 case SCTP_GET_VRF_IDS: 1938 { 1939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1940 error = EOPNOTSUPP; 1941 break; 1942 } 1943 case SCTP_GET_NONCE_VALUES: 1944 { 1945 struct sctp_get_nonce_values *gnv; 1946 1947 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1948 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1949 1950 if (stcb) { 1951 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1952 gnv->gn_local_tag = stcb->asoc.my_vtag; 1953 SCTP_TCB_UNLOCK(stcb); 1954 *optsize = sizeof(struct sctp_get_nonce_values); 1955 } else { 1956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1957 error = ENOTCONN; 1958 } 1959 break; 1960 } 1961 case SCTP_DELAYED_SACK: 1962 { 1963 struct sctp_sack_info *sack; 1964 1965 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1966 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1967 if (stcb) { 1968 sack->sack_delay = stcb->asoc.delayed_ack; 1969 sack->sack_freq = stcb->asoc.sack_freq; 1970 SCTP_TCB_UNLOCK(stcb); 1971 } else { 1972 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1973 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1974 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1975 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1976 SCTP_INP_RLOCK(inp); 1977 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1978 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1979 SCTP_INP_RUNLOCK(inp); 1980 } else { 1981 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1982 error = EINVAL; 1983 } 1984 } 1985 if (error == 0) { 1986 *optsize = sizeof(struct sctp_sack_info); 1987 } 1988 break; 1989 } 1990 case SCTP_GET_SNDBUF_USE: 1991 { 1992 struct sctp_sockstat *ss; 1993 1994 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 1995 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 1996 1997 if (stcb) { 1998 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 1999 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2000 stcb->asoc.size_on_all_streams); 2001 SCTP_TCB_UNLOCK(stcb); 2002 *optsize = sizeof(struct sctp_sockstat); 2003 } else { 2004 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2005 error = ENOTCONN; 2006 } 2007 break; 2008 } 2009 case SCTP_MAX_BURST: 2010 { 2011 struct sctp_assoc_value *av; 2012 2013 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2014 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2015 2016 if (stcb) { 2017 av->assoc_value = stcb->asoc.max_burst; 2018 SCTP_TCB_UNLOCK(stcb); 2019 } else { 2020 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2021 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2022 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2023 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2024 SCTP_INP_RLOCK(inp); 2025 av->assoc_value = inp->sctp_ep.max_burst; 2026 SCTP_INP_RUNLOCK(inp); 2027 } else { 2028 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2029 error = EINVAL; 2030 } 2031 } 2032 if (error == 0) { 2033 *optsize = sizeof(struct sctp_assoc_value); 2034 } 2035 break; 2036 } 2037 case SCTP_MAXSEG: 2038 { 2039 struct sctp_assoc_value *av; 2040 int ovh; 2041 2042 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2043 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2044 2045 if (stcb) { 2046 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2047 SCTP_TCB_UNLOCK(stcb); 2048 } else { 2049 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2050 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2051 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2052 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2053 SCTP_INP_RLOCK(inp); 2054 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2055 ovh = SCTP_MED_OVERHEAD; 2056 } else { 2057 ovh = SCTP_MED_V4_OVERHEAD; 2058 } 2059 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2060 av->assoc_value = 0; 2061 else 2062 av->assoc_value = inp->sctp_frag_point - ovh; 2063 SCTP_INP_RUNLOCK(inp); 2064 } else { 2065 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2066 error = EINVAL; 2067 } 2068 } 2069 if (error == 0) { 2070 *optsize = sizeof(struct sctp_assoc_value); 2071 } 2072 break; 2073 } 2074 case SCTP_GET_STAT_LOG: 2075 error = sctp_fill_stat_log(optval, optsize); 2076 break; 2077 case SCTP_EVENTS: 2078 { 2079 struct sctp_event_subscribe *events; 2080 2081 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2082 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2083 SCTP_INP_RLOCK(inp); 2084 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2085 events->sctp_data_io_event = 1; 2086 2087 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2088 events->sctp_association_event = 1; 2089 2090 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2091 events->sctp_address_event = 1; 2092 2093 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2094 events->sctp_send_failure_event = 1; 2095 2096 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2097 events->sctp_peer_error_event = 1; 2098 2099 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2100 events->sctp_shutdown_event = 1; 2101 2102 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2103 events->sctp_partial_delivery_event = 1; 2104 2105 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2106 events->sctp_adaptation_layer_event = 1; 2107 2108 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2109 events->sctp_authentication_event = 1; 2110 2111 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2112 events->sctp_sender_dry_event = 1; 2113 2114 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2115 events->sctp_stream_reset_event = 1; 2116 SCTP_INP_RUNLOCK(inp); 2117 *optsize = sizeof(struct sctp_event_subscribe); 2118 break; 2119 } 2120 case SCTP_ADAPTATION_LAYER: 2121 { 2122 uint32_t *value; 2123 2124 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2125 2126 SCTP_INP_RLOCK(inp); 2127 *value = inp->sctp_ep.adaptation_layer_indicator; 2128 SCTP_INP_RUNLOCK(inp); 2129 *optsize = sizeof(uint32_t); 2130 break; 2131 } 2132 case SCTP_SET_INITIAL_DBG_SEQ: 2133 { 2134 uint32_t *value; 2135 2136 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2137 SCTP_INP_RLOCK(inp); 2138 *value = inp->sctp_ep.initial_sequence_debug; 2139 SCTP_INP_RUNLOCK(inp); 2140 *optsize = sizeof(uint32_t); 2141 break; 2142 } 2143 case SCTP_GET_LOCAL_ADDR_SIZE: 2144 { 2145 uint32_t *value; 2146 2147 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2148 SCTP_INP_RLOCK(inp); 2149 *value = (uint32_t)sctp_max_size_addresses(inp); 2150 SCTP_INP_RUNLOCK(inp); 2151 *optsize = sizeof(uint32_t); 2152 break; 2153 } 2154 case SCTP_GET_REMOTE_ADDR_SIZE: 2155 { 2156 uint32_t *value; 2157 struct sctp_nets *net; 2158 size_t size; 2159 2160 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2161 /* FIXME MT: change to sctp_assoc_value? */ 2162 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2163 2164 if (stcb != NULL) { 2165 size = 0; 2166 /* Count the sizes */ 2167 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2168 switch (net->ro._l_addr.sa.sa_family) { 2169 #ifdef INET 2170 case AF_INET: 2171 #ifdef INET6 2172 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2173 size += sizeof(struct sockaddr_in6); 2174 } else { 2175 size += sizeof(struct sockaddr_in); 2176 } 2177 #else 2178 size += sizeof(struct sockaddr_in); 2179 #endif 2180 break; 2181 #endif 2182 #ifdef INET6 2183 case AF_INET6: 2184 size += sizeof(struct sockaddr_in6); 2185 break; 2186 #endif 2187 default: 2188 break; 2189 } 2190 } 2191 SCTP_TCB_UNLOCK(stcb); 2192 *value = (uint32_t)size; 2193 *optsize = sizeof(uint32_t); 2194 } else { 2195 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2196 ((sctp_assoc_t)*value <= SCTP_ALL_ASSOC)) { 2197 error = EINVAL; 2198 } else { 2199 error = ENOENT; 2200 } 2201 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2202 } 2203 break; 2204 } 2205 case SCTP_GET_PEER_ADDRESSES: 2206 /* 2207 * Get the address information, an array is passed in to 2208 * fill up we pack it. 2209 */ 2210 { 2211 size_t cpsz, left; 2212 struct sockaddr *addr; 2213 struct sctp_nets *net; 2214 struct sctp_getaddresses *saddr; 2215 2216 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2217 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2218 2219 if (stcb != NULL) { 2220 left = *optsize - offsetof(struct sctp_getaddresses, addr); 2221 *optsize = offsetof(struct sctp_getaddresses, addr); 2222 addr = &saddr->addr[0].sa; 2223 2224 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2225 switch (net->ro._l_addr.sa.sa_family) { 2226 #ifdef INET 2227 case AF_INET: 2228 #ifdef INET6 2229 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2230 cpsz = sizeof(struct sockaddr_in6); 2231 } else { 2232 cpsz = sizeof(struct sockaddr_in); 2233 } 2234 #else 2235 cpsz = sizeof(struct sockaddr_in); 2236 #endif 2237 break; 2238 #endif 2239 #ifdef INET6 2240 case AF_INET6: 2241 cpsz = sizeof(struct sockaddr_in6); 2242 break; 2243 #endif 2244 default: 2245 cpsz = 0; 2246 break; 2247 } 2248 if (cpsz == 0) { 2249 break; 2250 } 2251 if (left < cpsz) { 2252 /* not enough room. */ 2253 break; 2254 } 2255 #if defined(INET) && defined(INET6) 2256 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2257 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2258 /* Must map the address */ 2259 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2260 (struct sockaddr_in6 *)addr); 2261 } else { 2262 memcpy(addr, &net->ro._l_addr, cpsz); 2263 } 2264 #else 2265 memcpy(addr, &net->ro._l_addr, cpsz); 2266 #endif 2267 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2268 2269 addr = (struct sockaddr *)((caddr_t)addr + cpsz); 2270 left -= cpsz; 2271 *optsize += cpsz; 2272 } 2273 SCTP_TCB_UNLOCK(stcb); 2274 } else { 2275 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2276 (saddr->sget_assoc_id <= SCTP_ALL_ASSOC)) { 2277 error = EINVAL; 2278 } else { 2279 error = ENOENT; 2280 } 2281 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2282 } 2283 break; 2284 } 2285 case SCTP_GET_LOCAL_ADDRESSES: 2286 { 2287 size_t limit, actual; 2288 struct sctp_getaddresses *saddr; 2289 2290 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2291 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2292 2293 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2294 ((saddr->sget_assoc_id == SCTP_CURRENT_ASSOC) || 2295 (saddr->sget_assoc_id == SCTP_ALL_ASSOC))) { 2296 error = EINVAL; 2297 } else { 2298 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2299 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2300 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2301 } 2302 if (stcb != NULL) { 2303 SCTP_TCB_UNLOCK(stcb); 2304 } 2305 break; 2306 } 2307 case SCTP_PEER_ADDR_PARAMS: 2308 { 2309 struct sctp_paddrparams *paddrp; 2310 struct sctp_nets *net; 2311 struct sockaddr *addr; 2312 #if defined(INET) && defined(INET6) 2313 struct sockaddr_in sin_store; 2314 #endif 2315 2316 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2317 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2318 2319 #if defined(INET) && defined(INET6) 2320 if (paddrp->spp_address.ss_family == AF_INET6) { 2321 struct sockaddr_in6 *sin6; 2322 2323 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2324 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2325 in6_sin6_2_sin(&sin_store, sin6); 2326 addr = (struct sockaddr *)&sin_store; 2327 } else { 2328 addr = (struct sockaddr *)&paddrp->spp_address; 2329 } 2330 } else { 2331 addr = (struct sockaddr *)&paddrp->spp_address; 2332 } 2333 #else 2334 addr = (struct sockaddr *)&paddrp->spp_address; 2335 #endif 2336 if (stcb != NULL) { 2337 net = sctp_findnet(stcb, addr); 2338 } else { 2339 /* 2340 * We increment here since 2341 * sctp_findassociation_ep_addr() wil do a 2342 * decrement if it finds the stcb as long as 2343 * the locked tcb (last argument) is NOT a 2344 * TCB.. aka NULL. 2345 */ 2346 net = NULL; 2347 SCTP_INP_INCR_REF(inp); 2348 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2349 if (stcb == NULL) { 2350 SCTP_INP_DECR_REF(inp); 2351 } 2352 } 2353 if ((stcb != NULL) && (net == NULL)) { 2354 #ifdef INET 2355 if (addr->sa_family == AF_INET) { 2356 struct sockaddr_in *sin; 2357 2358 sin = (struct sockaddr_in *)addr; 2359 if (sin->sin_addr.s_addr != INADDR_ANY) { 2360 error = EINVAL; 2361 SCTP_TCB_UNLOCK(stcb); 2362 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2363 break; 2364 } 2365 } else 2366 #endif 2367 #ifdef INET6 2368 if (addr->sa_family == AF_INET6) { 2369 struct sockaddr_in6 *sin6; 2370 2371 sin6 = (struct sockaddr_in6 *)addr; 2372 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2373 error = EINVAL; 2374 SCTP_TCB_UNLOCK(stcb); 2375 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2376 break; 2377 } 2378 } else 2379 #endif 2380 { 2381 error = EAFNOSUPPORT; 2382 SCTP_TCB_UNLOCK(stcb); 2383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2384 break; 2385 } 2386 } 2387 2388 if (stcb != NULL) { 2389 /* Applies to the specific association */ 2390 paddrp->spp_flags = 0; 2391 if (net != NULL) { 2392 paddrp->spp_hbinterval = net->heart_beat_delay; 2393 paddrp->spp_pathmaxrxt = net->failure_threshold; 2394 paddrp->spp_pathmtu = net->mtu; 2395 switch (net->ro._l_addr.sa.sa_family) { 2396 #ifdef INET 2397 case AF_INET: 2398 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2399 break; 2400 #endif 2401 #ifdef INET6 2402 case AF_INET6: 2403 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2404 break; 2405 #endif 2406 default: 2407 break; 2408 } 2409 /* get flags for HB */ 2410 if (net->dest_state & SCTP_ADDR_NOHB) { 2411 paddrp->spp_flags |= SPP_HB_DISABLE; 2412 } else { 2413 paddrp->spp_flags |= SPP_HB_ENABLE; 2414 } 2415 /* get flags for PMTU */ 2416 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2417 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2418 } else { 2419 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2420 } 2421 if (net->dscp & 0x01) { 2422 paddrp->spp_dscp = net->dscp & 0xfc; 2423 paddrp->spp_flags |= SPP_DSCP; 2424 } 2425 #ifdef INET6 2426 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2427 (net->flowlabel & 0x80000000)) { 2428 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2429 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2430 } 2431 #endif 2432 } else { 2433 /* 2434 * No destination so return default 2435 * value 2436 */ 2437 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2438 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2439 if (stcb->asoc.default_dscp & 0x01) { 2440 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2441 paddrp->spp_flags |= SPP_DSCP; 2442 } 2443 #ifdef INET6 2444 if (stcb->asoc.default_flowlabel & 0x80000000) { 2445 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2446 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2447 } 2448 #endif 2449 /* default settings should be these */ 2450 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2451 paddrp->spp_flags |= SPP_HB_DISABLE; 2452 } else { 2453 paddrp->spp_flags |= SPP_HB_ENABLE; 2454 } 2455 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2456 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2457 } else { 2458 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2459 } 2460 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2461 } 2462 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2463 SCTP_TCB_UNLOCK(stcb); 2464 } else { 2465 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2466 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2467 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2468 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2469 /* Use endpoint defaults */ 2470 SCTP_INP_RLOCK(inp); 2471 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2472 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2473 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2474 /* get inp's default */ 2475 if (inp->sctp_ep.default_dscp & 0x01) { 2476 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2477 paddrp->spp_flags |= SPP_DSCP; 2478 } 2479 #ifdef INET6 2480 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2481 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2482 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2483 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2484 } 2485 #endif 2486 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2487 2488 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2489 paddrp->spp_flags |= SPP_HB_ENABLE; 2490 } else { 2491 paddrp->spp_flags |= SPP_HB_DISABLE; 2492 } 2493 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2494 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2495 } else { 2496 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2497 } 2498 SCTP_INP_RUNLOCK(inp); 2499 } else { 2500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2501 error = EINVAL; 2502 } 2503 } 2504 if (error == 0) { 2505 *optsize = sizeof(struct sctp_paddrparams); 2506 } 2507 break; 2508 } 2509 case SCTP_GET_PEER_ADDR_INFO: 2510 { 2511 struct sctp_paddrinfo *paddri; 2512 struct sctp_nets *net; 2513 struct sockaddr *addr; 2514 #if defined(INET) && defined(INET6) 2515 struct sockaddr_in sin_store; 2516 #endif 2517 2518 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2519 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2520 2521 #if defined(INET) && defined(INET6) 2522 if (paddri->spinfo_address.ss_family == AF_INET6) { 2523 struct sockaddr_in6 *sin6; 2524 2525 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2526 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2527 in6_sin6_2_sin(&sin_store, sin6); 2528 addr = (struct sockaddr *)&sin_store; 2529 } else { 2530 addr = (struct sockaddr *)&paddri->spinfo_address; 2531 } 2532 } else { 2533 addr = (struct sockaddr *)&paddri->spinfo_address; 2534 } 2535 #else 2536 addr = (struct sockaddr *)&paddri->spinfo_address; 2537 #endif 2538 if (stcb != NULL) { 2539 net = sctp_findnet(stcb, addr); 2540 } else { 2541 /* 2542 * We increment here since 2543 * sctp_findassociation_ep_addr() wil do a 2544 * decrement if it finds the stcb as long as 2545 * the locked tcb (last argument) is NOT a 2546 * TCB.. aka NULL. 2547 */ 2548 net = NULL; 2549 SCTP_INP_INCR_REF(inp); 2550 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2551 if (stcb == NULL) { 2552 SCTP_INP_DECR_REF(inp); 2553 } 2554 } 2555 2556 if ((stcb != NULL) && (net != NULL)) { 2557 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2558 /* It's unconfirmed */ 2559 paddri->spinfo_state = SCTP_UNCONFIRMED; 2560 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2561 /* It's active */ 2562 paddri->spinfo_state = SCTP_ACTIVE; 2563 } else { 2564 /* It's inactive */ 2565 paddri->spinfo_state = SCTP_INACTIVE; 2566 } 2567 paddri->spinfo_cwnd = net->cwnd; 2568 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2569 paddri->spinfo_rto = net->RTO; 2570 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2571 paddri->spinfo_mtu = net->mtu; 2572 switch (addr->sa_family) { 2573 #if defined(INET) 2574 case AF_INET: 2575 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2576 break; 2577 #endif 2578 #if defined(INET6) 2579 case AF_INET6: 2580 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2581 break; 2582 #endif 2583 default: 2584 break; 2585 } 2586 SCTP_TCB_UNLOCK(stcb); 2587 *optsize = sizeof(struct sctp_paddrinfo); 2588 } else { 2589 if (stcb != NULL) { 2590 SCTP_TCB_UNLOCK(stcb); 2591 } 2592 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2593 error = ENOENT; 2594 } 2595 break; 2596 } 2597 case SCTP_PCB_STATUS: 2598 { 2599 struct sctp_pcbinfo *spcb; 2600 2601 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2602 sctp_fill_pcbinfo(spcb); 2603 *optsize = sizeof(struct sctp_pcbinfo); 2604 break; 2605 } 2606 case SCTP_STATUS: 2607 { 2608 struct sctp_nets *net; 2609 struct sctp_status *sstat; 2610 2611 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2612 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2613 2614 if (stcb == NULL) { 2615 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2616 error = EINVAL; 2617 break; 2618 } 2619 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2620 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2621 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2622 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2623 /* 2624 * We can't include chunks that have been passed to 2625 * the socket layer. Only things in queue. 2626 */ 2627 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2628 stcb->asoc.cnt_on_all_streams); 2629 sstat->sstat_instrms = stcb->asoc.streamincnt; 2630 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2631 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2632 net = stcb->asoc.primary_destination; 2633 if (net != NULL) { 2634 memcpy(&sstat->sstat_primary.spinfo_address, 2635 &net->ro._l_addr, 2636 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2637 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2638 /* 2639 * Again the user can get info from 2640 * sctp_constants.h for what the state of 2641 * the network is. 2642 */ 2643 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2644 /* It's unconfirmed */ 2645 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2646 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2647 /* It's active */ 2648 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2649 } else { 2650 /* It's inactive */ 2651 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2652 } 2653 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2654 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2655 sstat->sstat_primary.spinfo_rto = net->RTO; 2656 sstat->sstat_primary.spinfo_mtu = net->mtu; 2657 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2658 #if defined(INET) 2659 case AF_INET: 2660 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2661 break; 2662 #endif 2663 #if defined(INET6) 2664 case AF_INET6: 2665 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2666 break; 2667 #endif 2668 default: 2669 break; 2670 } 2671 } else { 2672 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2673 } 2674 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2675 SCTP_TCB_UNLOCK(stcb); 2676 *optsize = sizeof(struct sctp_status); 2677 break; 2678 } 2679 case SCTP_RTOINFO: 2680 { 2681 struct sctp_rtoinfo *srto; 2682 2683 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2684 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2685 2686 if (stcb) { 2687 srto->srto_initial = stcb->asoc.initial_rto; 2688 srto->srto_max = stcb->asoc.maxrto; 2689 srto->srto_min = stcb->asoc.minrto; 2690 SCTP_TCB_UNLOCK(stcb); 2691 } else { 2692 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2693 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2694 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2695 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2696 SCTP_INP_RLOCK(inp); 2697 srto->srto_initial = inp->sctp_ep.initial_rto; 2698 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2699 srto->srto_min = inp->sctp_ep.sctp_minrto; 2700 SCTP_INP_RUNLOCK(inp); 2701 } else { 2702 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2703 error = EINVAL; 2704 } 2705 } 2706 if (error == 0) { 2707 *optsize = sizeof(struct sctp_rtoinfo); 2708 } 2709 break; 2710 } 2711 case SCTP_TIMEOUTS: 2712 { 2713 struct sctp_timeouts *stimo; 2714 2715 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2716 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2717 2718 if (stcb) { 2719 stimo->stimo_init = stcb->asoc.timoinit; 2720 stimo->stimo_data = stcb->asoc.timodata; 2721 stimo->stimo_sack = stcb->asoc.timosack; 2722 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2723 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2724 stimo->stimo_cookie = stcb->asoc.timocookie; 2725 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2726 SCTP_TCB_UNLOCK(stcb); 2727 *optsize = sizeof(struct sctp_timeouts); 2728 } else { 2729 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2730 error = EINVAL; 2731 } 2732 break; 2733 } 2734 case SCTP_ASSOCINFO: 2735 { 2736 struct sctp_assocparams *sasoc; 2737 2738 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2739 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2740 2741 if (stcb) { 2742 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2743 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2744 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2745 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2746 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2747 SCTP_TCB_UNLOCK(stcb); 2748 } else { 2749 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2750 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2751 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2752 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2753 SCTP_INP_RLOCK(inp); 2754 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2755 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2756 sasoc->sasoc_number_peer_destinations = 0; 2757 sasoc->sasoc_peer_rwnd = 0; 2758 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2759 SCTP_INP_RUNLOCK(inp); 2760 } else { 2761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2762 error = EINVAL; 2763 } 2764 } 2765 if (error == 0) { 2766 *optsize = sizeof(struct sctp_assocparams); 2767 } 2768 break; 2769 } 2770 case SCTP_DEFAULT_SEND_PARAM: 2771 { 2772 struct sctp_sndrcvinfo *s_info; 2773 2774 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2775 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2776 2777 if (stcb) { 2778 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2779 SCTP_TCB_UNLOCK(stcb); 2780 } else { 2781 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2782 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2783 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2784 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2785 SCTP_INP_RLOCK(inp); 2786 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2787 SCTP_INP_RUNLOCK(inp); 2788 } else { 2789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2790 error = EINVAL; 2791 } 2792 } 2793 if (error == 0) { 2794 *optsize = sizeof(struct sctp_sndrcvinfo); 2795 } 2796 break; 2797 } 2798 case SCTP_INITMSG: 2799 { 2800 struct sctp_initmsg *sinit; 2801 2802 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2803 SCTP_INP_RLOCK(inp); 2804 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2805 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2806 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2807 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2808 SCTP_INP_RUNLOCK(inp); 2809 *optsize = sizeof(struct sctp_initmsg); 2810 break; 2811 } 2812 case SCTP_PRIMARY_ADDR: 2813 /* we allow a "get" operation on this */ 2814 { 2815 struct sctp_setprim *ssp; 2816 2817 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2818 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2819 2820 if (stcb) { 2821 union sctp_sockstore *addr; 2822 2823 addr = &stcb->asoc.primary_destination->ro._l_addr; 2824 switch (addr->sa.sa_family) { 2825 #ifdef INET 2826 case AF_INET: 2827 #ifdef INET6 2828 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2829 in6_sin_2_v4mapsin6(&addr->sin, 2830 (struct sockaddr_in6 *)&ssp->ssp_addr); 2831 } else { 2832 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2833 } 2834 #else 2835 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2836 #endif 2837 break; 2838 #endif 2839 #ifdef INET6 2840 case AF_INET6: 2841 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2842 break; 2843 #endif 2844 default: 2845 break; 2846 } 2847 SCTP_TCB_UNLOCK(stcb); 2848 *optsize = sizeof(struct sctp_setprim); 2849 } else { 2850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2851 error = EINVAL; 2852 } 2853 break; 2854 } 2855 case SCTP_HMAC_IDENT: 2856 { 2857 struct sctp_hmacalgo *shmac; 2858 sctp_hmaclist_t *hmaclist; 2859 uint32_t size; 2860 int i; 2861 2862 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2863 2864 SCTP_INP_RLOCK(inp); 2865 hmaclist = inp->sctp_ep.local_hmacs; 2866 if (hmaclist == NULL) { 2867 /* no HMACs to return */ 2868 *optsize = sizeof(*shmac); 2869 SCTP_INP_RUNLOCK(inp); 2870 break; 2871 } 2872 /* is there room for all of the hmac ids? */ 2873 size = sizeof(*shmac) + (hmaclist->num_algo * 2874 sizeof(shmac->shmac_idents[0])); 2875 if ((size_t)(*optsize) < size) { 2876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2877 error = EINVAL; 2878 SCTP_INP_RUNLOCK(inp); 2879 break; 2880 } 2881 /* copy in the list */ 2882 shmac->shmac_number_of_idents = hmaclist->num_algo; 2883 for (i = 0; i < hmaclist->num_algo; i++) { 2884 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2885 } 2886 SCTP_INP_RUNLOCK(inp); 2887 *optsize = size; 2888 break; 2889 } 2890 case SCTP_AUTH_ACTIVE_KEY: 2891 { 2892 struct sctp_authkeyid *scact; 2893 2894 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2895 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2896 2897 if (stcb) { 2898 /* get the active key on the assoc */ 2899 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2900 SCTP_TCB_UNLOCK(stcb); 2901 } else { 2902 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2903 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2904 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2905 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2906 /* get the endpoint active key */ 2907 SCTP_INP_RLOCK(inp); 2908 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2909 SCTP_INP_RUNLOCK(inp); 2910 } else { 2911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2912 error = EINVAL; 2913 } 2914 } 2915 if (error == 0) { 2916 *optsize = sizeof(struct sctp_authkeyid); 2917 } 2918 break; 2919 } 2920 case SCTP_LOCAL_AUTH_CHUNKS: 2921 { 2922 struct sctp_authchunks *sac; 2923 sctp_auth_chklist_t *chklist = NULL; 2924 size_t size = 0; 2925 2926 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2927 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2928 2929 if (stcb) { 2930 /* get off the assoc */ 2931 chklist = stcb->asoc.local_auth_chunks; 2932 /* is there enough space? */ 2933 size = sctp_auth_get_chklist_size(chklist); 2934 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2935 error = EINVAL; 2936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2937 } else { 2938 /* copy in the chunks */ 2939 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2940 sac->gauth_number_of_chunks = (uint32_t)size; 2941 *optsize = sizeof(struct sctp_authchunks) + size; 2942 } 2943 SCTP_TCB_UNLOCK(stcb); 2944 } else { 2945 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2946 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2947 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2948 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2949 /* get off the endpoint */ 2950 SCTP_INP_RLOCK(inp); 2951 chklist = inp->sctp_ep.local_auth_chunks; 2952 /* is there enough space? */ 2953 size = sctp_auth_get_chklist_size(chklist); 2954 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2955 error = EINVAL; 2956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2957 } else { 2958 /* copy in the chunks */ 2959 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2960 sac->gauth_number_of_chunks = (uint32_t)size; 2961 *optsize = sizeof(struct sctp_authchunks) + size; 2962 } 2963 SCTP_INP_RUNLOCK(inp); 2964 } else { 2965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2966 error = EINVAL; 2967 } 2968 } 2969 break; 2970 } 2971 case SCTP_PEER_AUTH_CHUNKS: 2972 { 2973 struct sctp_authchunks *sac; 2974 sctp_auth_chklist_t *chklist = NULL; 2975 size_t size = 0; 2976 2977 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2978 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2979 2980 if (stcb) { 2981 /* get off the assoc */ 2982 chklist = stcb->asoc.peer_auth_chunks; 2983 /* is there enough space? */ 2984 size = sctp_auth_get_chklist_size(chklist); 2985 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2986 error = EINVAL; 2987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2988 } else { 2989 /* copy in the chunks */ 2990 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2991 sac->gauth_number_of_chunks = (uint32_t)size; 2992 *optsize = sizeof(struct sctp_authchunks) + size; 2993 } 2994 SCTP_TCB_UNLOCK(stcb); 2995 } else { 2996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2997 error = ENOENT; 2998 } 2999 break; 3000 } 3001 case SCTP_EVENT: 3002 { 3003 struct sctp_event *event; 3004 uint32_t event_type; 3005 3006 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3007 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3008 3009 switch (event->se_type) { 3010 case SCTP_ASSOC_CHANGE: 3011 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3012 break; 3013 case SCTP_PEER_ADDR_CHANGE: 3014 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3015 break; 3016 case SCTP_REMOTE_ERROR: 3017 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3018 break; 3019 case SCTP_SEND_FAILED: 3020 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3021 break; 3022 case SCTP_SHUTDOWN_EVENT: 3023 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3024 break; 3025 case SCTP_ADAPTATION_INDICATION: 3026 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3027 break; 3028 case SCTP_PARTIAL_DELIVERY_EVENT: 3029 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3030 break; 3031 case SCTP_AUTHENTICATION_EVENT: 3032 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3033 break; 3034 case SCTP_STREAM_RESET_EVENT: 3035 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3036 break; 3037 case SCTP_SENDER_DRY_EVENT: 3038 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3039 break; 3040 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3041 event_type = 0; 3042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3043 error = ENOTSUP; 3044 break; 3045 case SCTP_ASSOC_RESET_EVENT: 3046 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3047 break; 3048 case SCTP_STREAM_CHANGE_EVENT: 3049 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3050 break; 3051 case SCTP_SEND_FAILED_EVENT: 3052 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3053 break; 3054 default: 3055 event_type = 0; 3056 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3057 error = EINVAL; 3058 break; 3059 } 3060 if (event_type > 0) { 3061 if (stcb) { 3062 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3063 } else { 3064 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3065 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3066 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3067 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3068 SCTP_INP_RLOCK(inp); 3069 event->se_on = sctp_is_feature_on(inp, event_type); 3070 SCTP_INP_RUNLOCK(inp); 3071 } else { 3072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3073 error = EINVAL; 3074 } 3075 } 3076 } 3077 if (stcb != NULL) { 3078 SCTP_TCB_UNLOCK(stcb); 3079 } 3080 if (error == 0) { 3081 *optsize = sizeof(struct sctp_event); 3082 } 3083 break; 3084 } 3085 case SCTP_RECVRCVINFO: 3086 if (*optsize < sizeof(int)) { 3087 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3088 error = EINVAL; 3089 } else { 3090 SCTP_INP_RLOCK(inp); 3091 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3092 SCTP_INP_RUNLOCK(inp); 3093 *optsize = sizeof(int); 3094 } 3095 break; 3096 case SCTP_RECVNXTINFO: 3097 if (*optsize < sizeof(int)) { 3098 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3099 error = EINVAL; 3100 } else { 3101 SCTP_INP_RLOCK(inp); 3102 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3103 SCTP_INP_RUNLOCK(inp); 3104 *optsize = sizeof(int); 3105 } 3106 break; 3107 case SCTP_DEFAULT_SNDINFO: 3108 { 3109 struct sctp_sndinfo *info; 3110 3111 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3112 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3113 3114 if (stcb) { 3115 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3116 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3117 info->snd_flags &= 0xfff0; 3118 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3119 info->snd_context = stcb->asoc.def_send.sinfo_context; 3120 SCTP_TCB_UNLOCK(stcb); 3121 } else { 3122 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3123 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3124 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3125 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3126 SCTP_INP_RLOCK(inp); 3127 info->snd_sid = inp->def_send.sinfo_stream; 3128 info->snd_flags = inp->def_send.sinfo_flags; 3129 info->snd_flags &= 0xfff0; 3130 info->snd_ppid = inp->def_send.sinfo_ppid; 3131 info->snd_context = inp->def_send.sinfo_context; 3132 SCTP_INP_RUNLOCK(inp); 3133 } else { 3134 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3135 error = EINVAL; 3136 } 3137 } 3138 if (error == 0) { 3139 *optsize = sizeof(struct sctp_sndinfo); 3140 } 3141 break; 3142 } 3143 case SCTP_DEFAULT_PRINFO: 3144 { 3145 struct sctp_default_prinfo *info; 3146 3147 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3148 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3149 3150 if (stcb) { 3151 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3152 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3153 SCTP_TCB_UNLOCK(stcb); 3154 } else { 3155 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3156 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3157 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3158 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3159 SCTP_INP_RLOCK(inp); 3160 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3161 info->pr_value = inp->def_send.sinfo_timetolive; 3162 SCTP_INP_RUNLOCK(inp); 3163 } else { 3164 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3165 error = EINVAL; 3166 } 3167 } 3168 if (error == 0) { 3169 *optsize = sizeof(struct sctp_default_prinfo); 3170 } 3171 break; 3172 } 3173 case SCTP_PEER_ADDR_THLDS: 3174 { 3175 struct sctp_paddrthlds *thlds; 3176 struct sctp_nets *net; 3177 struct sockaddr *addr; 3178 #if defined(INET) && defined(INET6) 3179 struct sockaddr_in sin_store; 3180 #endif 3181 3182 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3183 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3184 3185 #if defined(INET) && defined(INET6) 3186 if (thlds->spt_address.ss_family == AF_INET6) { 3187 struct sockaddr_in6 *sin6; 3188 3189 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3190 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3191 in6_sin6_2_sin(&sin_store, sin6); 3192 addr = (struct sockaddr *)&sin_store; 3193 } else { 3194 addr = (struct sockaddr *)&thlds->spt_address; 3195 } 3196 } else { 3197 addr = (struct sockaddr *)&thlds->spt_address; 3198 } 3199 #else 3200 addr = (struct sockaddr *)&thlds->spt_address; 3201 #endif 3202 if (stcb != NULL) { 3203 net = sctp_findnet(stcb, addr); 3204 } else { 3205 /* 3206 * We increment here since 3207 * sctp_findassociation_ep_addr() wil do a 3208 * decrement if it finds the stcb as long as 3209 * the locked tcb (last argument) is NOT a 3210 * TCB.. aka NULL. 3211 */ 3212 net = NULL; 3213 SCTP_INP_INCR_REF(inp); 3214 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3215 if (stcb == NULL) { 3216 SCTP_INP_DECR_REF(inp); 3217 } 3218 } 3219 if ((stcb != NULL) && (net == NULL)) { 3220 #ifdef INET 3221 if (addr->sa_family == AF_INET) { 3222 struct sockaddr_in *sin; 3223 3224 sin = (struct sockaddr_in *)addr; 3225 if (sin->sin_addr.s_addr != INADDR_ANY) { 3226 error = EINVAL; 3227 SCTP_TCB_UNLOCK(stcb); 3228 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3229 break; 3230 } 3231 } else 3232 #endif 3233 #ifdef INET6 3234 if (addr->sa_family == AF_INET6) { 3235 struct sockaddr_in6 *sin6; 3236 3237 sin6 = (struct sockaddr_in6 *)addr; 3238 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3239 error = EINVAL; 3240 SCTP_TCB_UNLOCK(stcb); 3241 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3242 break; 3243 } 3244 } else 3245 #endif 3246 { 3247 error = EAFNOSUPPORT; 3248 SCTP_TCB_UNLOCK(stcb); 3249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3250 break; 3251 } 3252 } 3253 3254 if (stcb != NULL) { 3255 if (net != NULL) { 3256 thlds->spt_pathmaxrxt = net->failure_threshold; 3257 thlds->spt_pathpfthld = net->pf_threshold; 3258 thlds->spt_pathcpthld = 0xffff; 3259 } else { 3260 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3261 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3262 thlds->spt_pathcpthld = 0xffff; 3263 } 3264 thlds->spt_assoc_id = sctp_get_associd(stcb); 3265 SCTP_TCB_UNLOCK(stcb); 3266 } else { 3267 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3268 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3269 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3270 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3271 /* Use endpoint defaults */ 3272 SCTP_INP_RLOCK(inp); 3273 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3274 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3275 thlds->spt_pathcpthld = 0xffff; 3276 SCTP_INP_RUNLOCK(inp); 3277 } else { 3278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3279 error = EINVAL; 3280 } 3281 } 3282 if (error == 0) { 3283 *optsize = sizeof(struct sctp_paddrthlds); 3284 } 3285 break; 3286 } 3287 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3288 { 3289 struct sctp_udpencaps *encaps; 3290 struct sctp_nets *net; 3291 struct sockaddr *addr; 3292 #if defined(INET) && defined(INET6) 3293 struct sockaddr_in sin_store; 3294 #endif 3295 3296 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3297 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3298 3299 #if defined(INET) && defined(INET6) 3300 if (encaps->sue_address.ss_family == AF_INET6) { 3301 struct sockaddr_in6 *sin6; 3302 3303 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3304 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3305 in6_sin6_2_sin(&sin_store, sin6); 3306 addr = (struct sockaddr *)&sin_store; 3307 } else { 3308 addr = (struct sockaddr *)&encaps->sue_address; 3309 } 3310 } else { 3311 addr = (struct sockaddr *)&encaps->sue_address; 3312 } 3313 #else 3314 addr = (struct sockaddr *)&encaps->sue_address; 3315 #endif 3316 if (stcb) { 3317 net = sctp_findnet(stcb, addr); 3318 } else { 3319 /* 3320 * We increment here since 3321 * sctp_findassociation_ep_addr() wil do a 3322 * decrement if it finds the stcb as long as 3323 * the locked tcb (last argument) is NOT a 3324 * TCB.. aka NULL. 3325 */ 3326 net = NULL; 3327 SCTP_INP_INCR_REF(inp); 3328 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3329 if (stcb == NULL) { 3330 SCTP_INP_DECR_REF(inp); 3331 } 3332 } 3333 if ((stcb != NULL) && (net == NULL)) { 3334 #ifdef INET 3335 if (addr->sa_family == AF_INET) { 3336 struct sockaddr_in *sin; 3337 3338 sin = (struct sockaddr_in *)addr; 3339 if (sin->sin_addr.s_addr != INADDR_ANY) { 3340 error = EINVAL; 3341 SCTP_TCB_UNLOCK(stcb); 3342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3343 break; 3344 } 3345 } else 3346 #endif 3347 #ifdef INET6 3348 if (addr->sa_family == AF_INET6) { 3349 struct sockaddr_in6 *sin6; 3350 3351 sin6 = (struct sockaddr_in6 *)addr; 3352 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3353 error = EINVAL; 3354 SCTP_TCB_UNLOCK(stcb); 3355 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3356 break; 3357 } 3358 } else 3359 #endif 3360 { 3361 error = EAFNOSUPPORT; 3362 SCTP_TCB_UNLOCK(stcb); 3363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3364 break; 3365 } 3366 } 3367 3368 if (stcb != NULL) { 3369 if (net) { 3370 encaps->sue_port = net->port; 3371 } else { 3372 encaps->sue_port = stcb->asoc.port; 3373 } 3374 SCTP_TCB_UNLOCK(stcb); 3375 } else { 3376 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3377 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3378 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3379 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3380 SCTP_INP_RLOCK(inp); 3381 encaps->sue_port = inp->sctp_ep.port; 3382 SCTP_INP_RUNLOCK(inp); 3383 } else { 3384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3385 error = EINVAL; 3386 } 3387 } 3388 if (error == 0) { 3389 *optsize = sizeof(struct sctp_udpencaps); 3390 } 3391 break; 3392 } 3393 case SCTP_ECN_SUPPORTED: 3394 { 3395 struct sctp_assoc_value *av; 3396 3397 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3398 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3399 3400 if (stcb) { 3401 av->assoc_value = stcb->asoc.ecn_supported; 3402 SCTP_TCB_UNLOCK(stcb); 3403 } else { 3404 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3405 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3406 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3407 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3408 SCTP_INP_RLOCK(inp); 3409 av->assoc_value = inp->ecn_supported; 3410 SCTP_INP_RUNLOCK(inp); 3411 } else { 3412 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3413 error = EINVAL; 3414 } 3415 } 3416 if (error == 0) { 3417 *optsize = sizeof(struct sctp_assoc_value); 3418 } 3419 break; 3420 } 3421 case SCTP_PR_SUPPORTED: 3422 { 3423 struct sctp_assoc_value *av; 3424 3425 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3426 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3427 3428 if (stcb) { 3429 av->assoc_value = stcb->asoc.prsctp_supported; 3430 SCTP_TCB_UNLOCK(stcb); 3431 } else { 3432 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3433 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3434 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3435 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3436 SCTP_INP_RLOCK(inp); 3437 av->assoc_value = inp->prsctp_supported; 3438 SCTP_INP_RUNLOCK(inp); 3439 } else { 3440 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3441 error = EINVAL; 3442 } 3443 } 3444 if (error == 0) { 3445 *optsize = sizeof(struct sctp_assoc_value); 3446 } 3447 break; 3448 } 3449 case SCTP_AUTH_SUPPORTED: 3450 { 3451 struct sctp_assoc_value *av; 3452 3453 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3454 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3455 3456 if (stcb) { 3457 av->assoc_value = stcb->asoc.auth_supported; 3458 SCTP_TCB_UNLOCK(stcb); 3459 } else { 3460 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3461 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3462 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3463 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3464 SCTP_INP_RLOCK(inp); 3465 av->assoc_value = inp->auth_supported; 3466 SCTP_INP_RUNLOCK(inp); 3467 } else { 3468 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3469 error = EINVAL; 3470 } 3471 } 3472 if (error == 0) { 3473 *optsize = sizeof(struct sctp_assoc_value); 3474 } 3475 break; 3476 } 3477 case SCTP_ASCONF_SUPPORTED: 3478 { 3479 struct sctp_assoc_value *av; 3480 3481 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3482 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3483 3484 if (stcb) { 3485 av->assoc_value = stcb->asoc.asconf_supported; 3486 SCTP_TCB_UNLOCK(stcb); 3487 } else { 3488 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3489 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3490 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3491 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3492 SCTP_INP_RLOCK(inp); 3493 av->assoc_value = inp->asconf_supported; 3494 SCTP_INP_RUNLOCK(inp); 3495 } else { 3496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3497 error = EINVAL; 3498 } 3499 } 3500 if (error == 0) { 3501 *optsize = sizeof(struct sctp_assoc_value); 3502 } 3503 break; 3504 } 3505 case SCTP_RECONFIG_SUPPORTED: 3506 { 3507 struct sctp_assoc_value *av; 3508 3509 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3510 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3511 3512 if (stcb) { 3513 av->assoc_value = stcb->asoc.reconfig_supported; 3514 SCTP_TCB_UNLOCK(stcb); 3515 } else { 3516 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3517 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3518 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3519 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3520 SCTP_INP_RLOCK(inp); 3521 av->assoc_value = inp->reconfig_supported; 3522 SCTP_INP_RUNLOCK(inp); 3523 } else { 3524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3525 error = EINVAL; 3526 } 3527 } 3528 if (error == 0) { 3529 *optsize = sizeof(struct sctp_assoc_value); 3530 } 3531 break; 3532 } 3533 case SCTP_NRSACK_SUPPORTED: 3534 { 3535 struct sctp_assoc_value *av; 3536 3537 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3538 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3539 3540 if (stcb) { 3541 av->assoc_value = stcb->asoc.nrsack_supported; 3542 SCTP_TCB_UNLOCK(stcb); 3543 } else { 3544 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3545 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3546 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3547 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3548 SCTP_INP_RLOCK(inp); 3549 av->assoc_value = inp->nrsack_supported; 3550 SCTP_INP_RUNLOCK(inp); 3551 } else { 3552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3553 error = EINVAL; 3554 } 3555 } 3556 if (error == 0) { 3557 *optsize = sizeof(struct sctp_assoc_value); 3558 } 3559 break; 3560 } 3561 case SCTP_PKTDROP_SUPPORTED: 3562 { 3563 struct sctp_assoc_value *av; 3564 3565 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3566 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3567 3568 if (stcb) { 3569 av->assoc_value = stcb->asoc.pktdrop_supported; 3570 SCTP_TCB_UNLOCK(stcb); 3571 } else { 3572 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3573 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3574 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3575 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3576 SCTP_INP_RLOCK(inp); 3577 av->assoc_value = inp->pktdrop_supported; 3578 SCTP_INP_RUNLOCK(inp); 3579 } else { 3580 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3581 error = EINVAL; 3582 } 3583 } 3584 if (error == 0) { 3585 *optsize = sizeof(struct sctp_assoc_value); 3586 } 3587 break; 3588 } 3589 case SCTP_ENABLE_STREAM_RESET: 3590 { 3591 struct sctp_assoc_value *av; 3592 3593 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3594 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3595 3596 if (stcb) { 3597 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3598 SCTP_TCB_UNLOCK(stcb); 3599 } else { 3600 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3601 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3602 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3603 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3604 SCTP_INP_RLOCK(inp); 3605 av->assoc_value = (uint32_t)inp->local_strreset_support; 3606 SCTP_INP_RUNLOCK(inp); 3607 } else { 3608 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3609 error = EINVAL; 3610 } 3611 } 3612 if (error == 0) { 3613 *optsize = sizeof(struct sctp_assoc_value); 3614 } 3615 break; 3616 } 3617 case SCTP_PR_STREAM_STATUS: 3618 { 3619 struct sctp_prstatus *sprstat; 3620 uint16_t sid; 3621 uint16_t policy; 3622 3623 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3624 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3625 3626 sid = sprstat->sprstat_sid; 3627 policy = sprstat->sprstat_policy; 3628 #if defined(SCTP_DETAILED_STR_STATS) 3629 if ((stcb != NULL) && 3630 (sid < stcb->asoc.streamoutcnt) && 3631 (policy != SCTP_PR_SCTP_NONE) && 3632 ((policy <= SCTP_PR_SCTP_MAX) || 3633 (policy == SCTP_PR_SCTP_ALL))) { 3634 if (policy == SCTP_PR_SCTP_ALL) { 3635 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3636 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3637 } else { 3638 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3639 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3640 } 3641 #else 3642 if ((stcb != NULL) && 3643 (sid < stcb->asoc.streamoutcnt) && 3644 (policy == SCTP_PR_SCTP_ALL)) { 3645 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3646 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3647 #endif 3648 } else { 3649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3650 error = EINVAL; 3651 } 3652 if (stcb != NULL) { 3653 SCTP_TCB_UNLOCK(stcb); 3654 } 3655 if (error == 0) { 3656 *optsize = sizeof(struct sctp_prstatus); 3657 } 3658 break; 3659 } 3660 case SCTP_PR_ASSOC_STATUS: 3661 { 3662 struct sctp_prstatus *sprstat; 3663 uint16_t policy; 3664 3665 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3666 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3667 3668 policy = sprstat->sprstat_policy; 3669 if ((stcb != NULL) && 3670 (policy != SCTP_PR_SCTP_NONE) && 3671 ((policy <= SCTP_PR_SCTP_MAX) || 3672 (policy == SCTP_PR_SCTP_ALL))) { 3673 if (policy == SCTP_PR_SCTP_ALL) { 3674 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3675 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3676 } else { 3677 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3678 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3679 } 3680 } else { 3681 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3682 error = EINVAL; 3683 } 3684 if (stcb != NULL) { 3685 SCTP_TCB_UNLOCK(stcb); 3686 } 3687 if (error == 0) { 3688 *optsize = sizeof(struct sctp_prstatus); 3689 } 3690 break; 3691 } 3692 case SCTP_MAX_CWND: 3693 { 3694 struct sctp_assoc_value *av; 3695 3696 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3697 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3698 3699 if (stcb) { 3700 av->assoc_value = stcb->asoc.max_cwnd; 3701 SCTP_TCB_UNLOCK(stcb); 3702 } else { 3703 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3704 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3705 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3706 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3707 SCTP_INP_RLOCK(inp); 3708 av->assoc_value = inp->max_cwnd; 3709 SCTP_INP_RUNLOCK(inp); 3710 } else { 3711 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3712 error = EINVAL; 3713 } 3714 } 3715 if (error == 0) { 3716 *optsize = sizeof(struct sctp_assoc_value); 3717 } 3718 break; 3719 } 3720 default: 3721 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3722 error = ENOPROTOOPT; 3723 break; 3724 } /* end switch (sopt->sopt_name) */ 3725 if (error) { 3726 *optsize = 0; 3727 } 3728 return (error); 3729 } 3730 3731 static int 3732 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3733 void *p) 3734 { 3735 int error, set_opt; 3736 uint32_t *mopt; 3737 struct sctp_tcb *stcb = NULL; 3738 struct sctp_inpcb *inp = NULL; 3739 uint32_t vrf_id; 3740 3741 if (optval == NULL) { 3742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3743 return (EINVAL); 3744 } 3745 inp = (struct sctp_inpcb *)so->so_pcb; 3746 if (inp == NULL) { 3747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3748 return (EINVAL); 3749 } 3750 vrf_id = inp->def_vrf_id; 3751 3752 error = 0; 3753 switch (optname) { 3754 case SCTP_NODELAY: 3755 case SCTP_AUTOCLOSE: 3756 case SCTP_AUTO_ASCONF: 3757 case SCTP_EXPLICIT_EOR: 3758 case SCTP_DISABLE_FRAGMENTS: 3759 case SCTP_USE_EXT_RCVINFO: 3760 case SCTP_I_WANT_MAPPED_V4_ADDR: 3761 /* copy in the option value */ 3762 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3763 set_opt = 0; 3764 if (error) 3765 break; 3766 switch (optname) { 3767 case SCTP_DISABLE_FRAGMENTS: 3768 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3769 break; 3770 case SCTP_AUTO_ASCONF: 3771 /* 3772 * NOTE: we don't really support this flag 3773 */ 3774 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3775 /* only valid for bound all sockets */ 3776 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3777 (*mopt != 0)) { 3778 /* forbidden by admin */ 3779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3780 return (EPERM); 3781 } 3782 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3783 } else { 3784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3785 return (EINVAL); 3786 } 3787 break; 3788 case SCTP_EXPLICIT_EOR: 3789 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3790 break; 3791 case SCTP_USE_EXT_RCVINFO: 3792 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3793 break; 3794 case SCTP_I_WANT_MAPPED_V4_ADDR: 3795 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3796 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3797 } else { 3798 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3799 return (EINVAL); 3800 } 3801 break; 3802 case SCTP_NODELAY: 3803 set_opt = SCTP_PCB_FLAGS_NODELAY; 3804 break; 3805 case SCTP_AUTOCLOSE: 3806 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3807 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3809 return (EINVAL); 3810 } 3811 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3812 /* 3813 * The value is in ticks. Note this does not effect 3814 * old associations, only new ones. 3815 */ 3816 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3817 break; 3818 } 3819 SCTP_INP_WLOCK(inp); 3820 if (*mopt != 0) { 3821 sctp_feature_on(inp, set_opt); 3822 } else { 3823 sctp_feature_off(inp, set_opt); 3824 } 3825 SCTP_INP_WUNLOCK(inp); 3826 break; 3827 case SCTP_REUSE_PORT: 3828 { 3829 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3830 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3831 /* Can't set it after we are bound */ 3832 error = EINVAL; 3833 break; 3834 } 3835 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3836 /* Can't do this for a 1-m socket */ 3837 error = EINVAL; 3838 break; 3839 } 3840 if (optval) 3841 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3842 else 3843 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3844 break; 3845 } 3846 case SCTP_PARTIAL_DELIVERY_POINT: 3847 { 3848 uint32_t *value; 3849 3850 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3851 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3853 error = EINVAL; 3854 break; 3855 } 3856 inp->partial_delivery_point = *value; 3857 break; 3858 } 3859 case SCTP_FRAGMENT_INTERLEAVE: 3860 /* not yet until we re-write sctp_recvmsg() */ 3861 { 3862 uint32_t *level; 3863 3864 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3865 if (*level == SCTP_FRAG_LEVEL_2) { 3866 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3867 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3868 } else if (*level == SCTP_FRAG_LEVEL_1) { 3869 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3870 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3871 } else if (*level == SCTP_FRAG_LEVEL_0) { 3872 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3873 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3874 3875 } else { 3876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3877 error = EINVAL; 3878 } 3879 break; 3880 } 3881 case SCTP_INTERLEAVING_SUPPORTED: 3882 { 3883 struct sctp_assoc_value *av; 3884 3885 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3886 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3887 3888 if (stcb) { 3889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3890 error = EINVAL; 3891 SCTP_TCB_UNLOCK(stcb); 3892 } else { 3893 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3894 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3895 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3896 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3897 SCTP_INP_WLOCK(inp); 3898 if (av->assoc_value == 0) { 3899 inp->idata_supported = 0; 3900 } else { 3901 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3902 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3903 inp->idata_supported = 1; 3904 } else { 3905 /* 3906 * Must have Frag 3907 * interleave and 3908 * stream interleave 3909 * on 3910 */ 3911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3912 error = EINVAL; 3913 } 3914 } 3915 SCTP_INP_WUNLOCK(inp); 3916 } else { 3917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3918 error = EINVAL; 3919 } 3920 } 3921 break; 3922 } 3923 case SCTP_CMT_ON_OFF: 3924 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3925 struct sctp_assoc_value *av; 3926 3927 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3928 if (av->assoc_value > SCTP_CMT_MAX) { 3929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3930 error = EINVAL; 3931 break; 3932 } 3933 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3934 if (stcb) { 3935 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3936 SCTP_TCB_UNLOCK(stcb); 3937 } else { 3938 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3939 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3940 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3941 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3942 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3943 SCTP_INP_WLOCK(inp); 3944 inp->sctp_cmt_on_off = av->assoc_value; 3945 SCTP_INP_WUNLOCK(inp); 3946 } 3947 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3948 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3949 (av->assoc_id == SCTP_ALL_ASSOC))) { 3950 SCTP_INP_RLOCK(inp); 3951 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3952 SCTP_TCB_LOCK(stcb); 3953 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3954 SCTP_TCB_UNLOCK(stcb); 3955 } 3956 SCTP_INP_RUNLOCK(inp); 3957 } 3958 } 3959 } else { 3960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3961 error = ENOPROTOOPT; 3962 } 3963 break; 3964 case SCTP_PLUGGABLE_CC: 3965 { 3966 struct sctp_assoc_value *av; 3967 struct sctp_nets *net; 3968 3969 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3970 if ((av->assoc_value != SCTP_CC_RFC2581) && 3971 (av->assoc_value != SCTP_CC_HSTCP) && 3972 (av->assoc_value != SCTP_CC_HTCP) && 3973 (av->assoc_value != SCTP_CC_RTCC)) { 3974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3975 error = EINVAL; 3976 break; 3977 } 3978 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3979 if (stcb) { 3980 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3981 stcb->asoc.congestion_control_module = av->assoc_value; 3982 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3983 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3984 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3985 } 3986 } 3987 SCTP_TCB_UNLOCK(stcb); 3988 } else { 3989 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3990 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3991 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3992 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3993 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3994 SCTP_INP_WLOCK(inp); 3995 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3996 SCTP_INP_WUNLOCK(inp); 3997 } 3998 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3999 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4000 (av->assoc_id == SCTP_ALL_ASSOC))) { 4001 SCTP_INP_RLOCK(inp); 4002 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4003 SCTP_TCB_LOCK(stcb); 4004 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4005 stcb->asoc.congestion_control_module = av->assoc_value; 4006 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4007 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4008 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4009 } 4010 } 4011 SCTP_TCB_UNLOCK(stcb); 4012 } 4013 SCTP_INP_RUNLOCK(inp); 4014 } 4015 } 4016 break; 4017 } 4018 case SCTP_CC_OPTION: 4019 { 4020 struct sctp_cc_option *cc_opt; 4021 4022 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4023 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4024 if (stcb == NULL) { 4025 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4026 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4027 SCTP_INP_RLOCK(inp); 4028 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4029 SCTP_TCB_LOCK(stcb); 4030 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4031 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4032 } 4033 SCTP_TCB_UNLOCK(stcb); 4034 } 4035 SCTP_INP_RUNLOCK(inp); 4036 } else { 4037 error = EINVAL; 4038 } 4039 } else { 4040 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4041 error = ENOTSUP; 4042 } else { 4043 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4044 cc_opt); 4045 } 4046 SCTP_TCB_UNLOCK(stcb); 4047 } 4048 break; 4049 } 4050 case SCTP_PLUGGABLE_SS: 4051 { 4052 struct sctp_assoc_value *av; 4053 4054 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4055 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4056 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4057 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4058 (av->assoc_value != SCTP_SS_PRIORITY) && 4059 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4060 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4061 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4062 error = EINVAL; 4063 break; 4064 } 4065 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4066 if (stcb) { 4067 SCTP_TCB_SEND_LOCK(stcb); 4068 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4069 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4070 stcb->asoc.stream_scheduling_module = av->assoc_value; 4071 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4072 SCTP_TCB_SEND_UNLOCK(stcb); 4073 SCTP_TCB_UNLOCK(stcb); 4074 } else { 4075 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4076 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4077 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4078 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4079 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4080 SCTP_INP_WLOCK(inp); 4081 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4082 SCTP_INP_WUNLOCK(inp); 4083 } 4084 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4085 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4086 (av->assoc_id == SCTP_ALL_ASSOC))) { 4087 SCTP_INP_RLOCK(inp); 4088 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4089 SCTP_TCB_LOCK(stcb); 4090 SCTP_TCB_SEND_LOCK(stcb); 4091 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4092 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4093 stcb->asoc.stream_scheduling_module = av->assoc_value; 4094 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4095 SCTP_TCB_SEND_UNLOCK(stcb); 4096 SCTP_TCB_UNLOCK(stcb); 4097 } 4098 SCTP_INP_RUNLOCK(inp); 4099 } 4100 } 4101 break; 4102 } 4103 case SCTP_SS_VALUE: 4104 { 4105 struct sctp_stream_value *av; 4106 4107 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4108 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4109 if (stcb) { 4110 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4111 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4112 av->stream_value) < 0)) { 4113 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4114 error = EINVAL; 4115 } 4116 SCTP_TCB_UNLOCK(stcb); 4117 } else { 4118 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4119 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4120 SCTP_INP_RLOCK(inp); 4121 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4122 SCTP_TCB_LOCK(stcb); 4123 if (av->stream_id < stcb->asoc.streamoutcnt) { 4124 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4125 &stcb->asoc, 4126 &stcb->asoc.strmout[av->stream_id], 4127 av->stream_value); 4128 } 4129 SCTP_TCB_UNLOCK(stcb); 4130 } 4131 SCTP_INP_RUNLOCK(inp); 4132 } else { 4133 /* 4134 * Can't set stream value without 4135 * association 4136 */ 4137 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4138 error = EINVAL; 4139 } 4140 } 4141 break; 4142 } 4143 case SCTP_CLR_STAT_LOG: 4144 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4145 error = EOPNOTSUPP; 4146 break; 4147 case SCTP_CONTEXT: 4148 { 4149 struct sctp_assoc_value *av; 4150 4151 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4152 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4153 4154 if (stcb) { 4155 stcb->asoc.context = av->assoc_value; 4156 SCTP_TCB_UNLOCK(stcb); 4157 } else { 4158 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4159 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4160 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4161 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4162 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4163 SCTP_INP_WLOCK(inp); 4164 inp->sctp_context = av->assoc_value; 4165 SCTP_INP_WUNLOCK(inp); 4166 } 4167 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4168 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4169 (av->assoc_id == SCTP_ALL_ASSOC))) { 4170 SCTP_INP_RLOCK(inp); 4171 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4172 SCTP_TCB_LOCK(stcb); 4173 stcb->asoc.context = av->assoc_value; 4174 SCTP_TCB_UNLOCK(stcb); 4175 } 4176 SCTP_INP_RUNLOCK(inp); 4177 } 4178 } 4179 break; 4180 } 4181 case SCTP_VRF_ID: 4182 { 4183 uint32_t *default_vrfid; 4184 4185 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4186 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4187 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4188 error = EINVAL; 4189 break; 4190 } 4191 inp->def_vrf_id = *default_vrfid; 4192 break; 4193 } 4194 case SCTP_DEL_VRF_ID: 4195 { 4196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4197 error = EOPNOTSUPP; 4198 break; 4199 } 4200 case SCTP_ADD_VRF_ID: 4201 { 4202 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4203 error = EOPNOTSUPP; 4204 break; 4205 } 4206 case SCTP_DELAYED_SACK: 4207 { 4208 struct sctp_sack_info *sack; 4209 4210 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4211 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4212 if (sack->sack_delay) { 4213 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4214 error = EINVAL; 4215 if (stcb != NULL) { 4216 SCTP_TCB_UNLOCK(stcb); 4217 } 4218 break; 4219 } 4220 } 4221 if (stcb) { 4222 if (sack->sack_delay) { 4223 stcb->asoc.delayed_ack = sack->sack_delay; 4224 } 4225 if (sack->sack_freq) { 4226 stcb->asoc.sack_freq = sack->sack_freq; 4227 } 4228 SCTP_TCB_UNLOCK(stcb); 4229 } else { 4230 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4231 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4232 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4233 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4234 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4235 SCTP_INP_WLOCK(inp); 4236 if (sack->sack_delay) { 4237 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4238 } 4239 if (sack->sack_freq) { 4240 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4241 } 4242 SCTP_INP_WUNLOCK(inp); 4243 } 4244 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4245 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4246 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4247 SCTP_INP_RLOCK(inp); 4248 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4249 SCTP_TCB_LOCK(stcb); 4250 if (sack->sack_delay) { 4251 stcb->asoc.delayed_ack = sack->sack_delay; 4252 } 4253 if (sack->sack_freq) { 4254 stcb->asoc.sack_freq = sack->sack_freq; 4255 } 4256 SCTP_TCB_UNLOCK(stcb); 4257 } 4258 SCTP_INP_RUNLOCK(inp); 4259 } 4260 } 4261 break; 4262 } 4263 case SCTP_AUTH_CHUNK: 4264 { 4265 struct sctp_authchunk *sauth; 4266 4267 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4268 4269 SCTP_INP_WLOCK(inp); 4270 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4271 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4272 error = EINVAL; 4273 } else { 4274 inp->auth_supported = 1; 4275 } 4276 SCTP_INP_WUNLOCK(inp); 4277 break; 4278 } 4279 case SCTP_AUTH_KEY: 4280 { 4281 struct sctp_authkey *sca; 4282 struct sctp_keyhead *shared_keys; 4283 sctp_sharedkey_t *shared_key; 4284 sctp_key_t *key = NULL; 4285 size_t size; 4286 4287 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4288 if (sca->sca_keylength == 0) { 4289 size = optsize - sizeof(struct sctp_authkey); 4290 } else { 4291 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4292 size = sca->sca_keylength; 4293 } else { 4294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4295 error = EINVAL; 4296 break; 4297 } 4298 } 4299 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4300 4301 if (stcb) { 4302 shared_keys = &stcb->asoc.shared_keys; 4303 /* clear the cached keys for this key id */ 4304 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4305 /* 4306 * create the new shared key and 4307 * insert/replace it 4308 */ 4309 if (size > 0) { 4310 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4311 if (key == NULL) { 4312 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4313 error = ENOMEM; 4314 SCTP_TCB_UNLOCK(stcb); 4315 break; 4316 } 4317 } 4318 shared_key = sctp_alloc_sharedkey(); 4319 if (shared_key == NULL) { 4320 sctp_free_key(key); 4321 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4322 error = ENOMEM; 4323 SCTP_TCB_UNLOCK(stcb); 4324 break; 4325 } 4326 shared_key->key = key; 4327 shared_key->keyid = sca->sca_keynumber; 4328 error = sctp_insert_sharedkey(shared_keys, shared_key); 4329 SCTP_TCB_UNLOCK(stcb); 4330 } else { 4331 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4332 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4333 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4334 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4335 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4336 SCTP_INP_WLOCK(inp); 4337 shared_keys = &inp->sctp_ep.shared_keys; 4338 /* 4339 * clear the cached keys on all 4340 * assocs for this key id 4341 */ 4342 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4343 /* 4344 * create the new shared key and 4345 * insert/replace it 4346 */ 4347 if (size > 0) { 4348 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4349 if (key == NULL) { 4350 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4351 error = ENOMEM; 4352 SCTP_INP_WUNLOCK(inp); 4353 break; 4354 } 4355 } 4356 shared_key = sctp_alloc_sharedkey(); 4357 if (shared_key == NULL) { 4358 sctp_free_key(key); 4359 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4360 error = ENOMEM; 4361 SCTP_INP_WUNLOCK(inp); 4362 break; 4363 } 4364 shared_key->key = key; 4365 shared_key->keyid = sca->sca_keynumber; 4366 error = sctp_insert_sharedkey(shared_keys, shared_key); 4367 SCTP_INP_WUNLOCK(inp); 4368 } 4369 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4370 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4371 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4372 SCTP_INP_RLOCK(inp); 4373 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4374 SCTP_TCB_LOCK(stcb); 4375 shared_keys = &stcb->asoc.shared_keys; 4376 /* 4377 * clear the cached keys for 4378 * this key id 4379 */ 4380 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4381 /* 4382 * create the new shared key 4383 * and insert/replace it 4384 */ 4385 if (size > 0) { 4386 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4387 if (key == NULL) { 4388 SCTP_TCB_UNLOCK(stcb); 4389 continue; 4390 } 4391 } 4392 shared_key = sctp_alloc_sharedkey(); 4393 if (shared_key == NULL) { 4394 sctp_free_key(key); 4395 SCTP_TCB_UNLOCK(stcb); 4396 continue; 4397 } 4398 shared_key->key = key; 4399 shared_key->keyid = sca->sca_keynumber; 4400 error = sctp_insert_sharedkey(shared_keys, shared_key); 4401 SCTP_TCB_UNLOCK(stcb); 4402 } 4403 SCTP_INP_RUNLOCK(inp); 4404 } 4405 } 4406 break; 4407 } 4408 case SCTP_HMAC_IDENT: 4409 { 4410 struct sctp_hmacalgo *shmac; 4411 sctp_hmaclist_t *hmaclist; 4412 uint16_t hmacid; 4413 uint32_t i; 4414 4415 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4416 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4417 (shmac->shmac_number_of_idents > 0xffff)) { 4418 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4419 error = EINVAL; 4420 break; 4421 } 4422 4423 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4424 if (hmaclist == NULL) { 4425 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4426 error = ENOMEM; 4427 break; 4428 } 4429 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4430 hmacid = shmac->shmac_idents[i]; 4431 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4432 /* invalid HMACs were found */ ; 4433 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4434 error = EINVAL; 4435 sctp_free_hmaclist(hmaclist); 4436 goto sctp_set_hmac_done; 4437 } 4438 } 4439 for (i = 0; i < hmaclist->num_algo; i++) { 4440 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4441 /* already in list */ 4442 break; 4443 } 4444 } 4445 if (i == hmaclist->num_algo) { 4446 /* not found in list */ 4447 sctp_free_hmaclist(hmaclist); 4448 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4449 error = EINVAL; 4450 break; 4451 } 4452 /* set it on the endpoint */ 4453 SCTP_INP_WLOCK(inp); 4454 if (inp->sctp_ep.local_hmacs) 4455 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4456 inp->sctp_ep.local_hmacs = hmaclist; 4457 SCTP_INP_WUNLOCK(inp); 4458 sctp_set_hmac_done: 4459 break; 4460 } 4461 case SCTP_AUTH_ACTIVE_KEY: 4462 { 4463 struct sctp_authkeyid *scact; 4464 4465 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4466 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4467 4468 /* set the active key on the right place */ 4469 if (stcb) { 4470 /* set the active key on the assoc */ 4471 if (sctp_auth_setactivekey(stcb, 4472 scact->scact_keynumber)) { 4473 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4474 SCTP_FROM_SCTP_USRREQ, 4475 EINVAL); 4476 error = EINVAL; 4477 } 4478 SCTP_TCB_UNLOCK(stcb); 4479 } else { 4480 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4481 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4482 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4483 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4484 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4485 SCTP_INP_WLOCK(inp); 4486 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4487 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4488 error = EINVAL; 4489 } 4490 SCTP_INP_WUNLOCK(inp); 4491 } 4492 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4493 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4494 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4495 SCTP_INP_RLOCK(inp); 4496 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4497 SCTP_TCB_LOCK(stcb); 4498 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4499 SCTP_TCB_UNLOCK(stcb); 4500 } 4501 SCTP_INP_RUNLOCK(inp); 4502 } 4503 } 4504 break; 4505 } 4506 case SCTP_AUTH_DELETE_KEY: 4507 { 4508 struct sctp_authkeyid *scdel; 4509 4510 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4511 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4512 4513 /* delete the key from the right place */ 4514 if (stcb) { 4515 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4516 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4517 error = EINVAL; 4518 } 4519 SCTP_TCB_UNLOCK(stcb); 4520 } else { 4521 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4522 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4523 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4524 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4525 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4526 SCTP_INP_WLOCK(inp); 4527 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4529 error = EINVAL; 4530 } 4531 SCTP_INP_WUNLOCK(inp); 4532 } 4533 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4534 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4535 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4536 SCTP_INP_RLOCK(inp); 4537 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4538 SCTP_TCB_LOCK(stcb); 4539 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4540 SCTP_TCB_UNLOCK(stcb); 4541 } 4542 SCTP_INP_RUNLOCK(inp); 4543 } 4544 } 4545 break; 4546 } 4547 case SCTP_AUTH_DEACTIVATE_KEY: 4548 { 4549 struct sctp_authkeyid *keyid; 4550 4551 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4552 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4553 4554 /* deactivate the key from the right place */ 4555 if (stcb) { 4556 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4558 error = EINVAL; 4559 } 4560 SCTP_TCB_UNLOCK(stcb); 4561 } else { 4562 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4563 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4564 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4565 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4566 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4567 SCTP_INP_WLOCK(inp); 4568 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4569 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4570 error = EINVAL; 4571 } 4572 SCTP_INP_WUNLOCK(inp); 4573 } 4574 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4575 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4576 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4577 SCTP_INP_RLOCK(inp); 4578 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4579 SCTP_TCB_LOCK(stcb); 4580 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4581 SCTP_TCB_UNLOCK(stcb); 4582 } 4583 SCTP_INP_RUNLOCK(inp); 4584 } 4585 } 4586 break; 4587 } 4588 case SCTP_ENABLE_STREAM_RESET: 4589 { 4590 struct sctp_assoc_value *av; 4591 4592 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4593 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4595 error = EINVAL; 4596 break; 4597 } 4598 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4599 if (stcb) { 4600 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4601 SCTP_TCB_UNLOCK(stcb); 4602 } else { 4603 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4604 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4605 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4606 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4607 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4608 SCTP_INP_WLOCK(inp); 4609 inp->local_strreset_support = (uint8_t)av->assoc_value; 4610 SCTP_INP_WUNLOCK(inp); 4611 } 4612 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4613 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4614 (av->assoc_id == SCTP_ALL_ASSOC))) { 4615 SCTP_INP_RLOCK(inp); 4616 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4617 SCTP_TCB_LOCK(stcb); 4618 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4619 SCTP_TCB_UNLOCK(stcb); 4620 } 4621 SCTP_INP_RUNLOCK(inp); 4622 } 4623 } 4624 break; 4625 } 4626 case SCTP_RESET_STREAMS: 4627 { 4628 struct sctp_reset_streams *strrst; 4629 int i, send_out = 0; 4630 int send_in = 0; 4631 4632 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4633 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4634 if (stcb == NULL) { 4635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4636 error = ENOENT; 4637 break; 4638 } 4639 if (stcb->asoc.reconfig_supported == 0) { 4640 /* 4641 * Peer does not support the chunk type. 4642 */ 4643 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4644 error = EOPNOTSUPP; 4645 SCTP_TCB_UNLOCK(stcb); 4646 break; 4647 } 4648 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4650 error = EINVAL; 4651 SCTP_TCB_UNLOCK(stcb); 4652 break; 4653 } 4654 if (sizeof(struct sctp_reset_streams) + 4655 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4656 error = EINVAL; 4657 SCTP_TCB_UNLOCK(stcb); 4658 break; 4659 } 4660 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4661 send_in = 1; 4662 if (stcb->asoc.stream_reset_outstanding) { 4663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4664 error = EALREADY; 4665 SCTP_TCB_UNLOCK(stcb); 4666 break; 4667 } 4668 } 4669 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4670 send_out = 1; 4671 } 4672 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4674 error = ENOMEM; 4675 SCTP_TCB_UNLOCK(stcb); 4676 break; 4677 } 4678 if ((send_in == 0) && (send_out == 0)) { 4679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4680 error = EINVAL; 4681 SCTP_TCB_UNLOCK(stcb); 4682 break; 4683 } 4684 for (i = 0; i < strrst->srs_number_streams; i++) { 4685 if ((send_in) && 4686 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4688 error = EINVAL; 4689 break; 4690 } 4691 if ((send_out) && 4692 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4694 error = EINVAL; 4695 break; 4696 } 4697 } 4698 if (error) { 4699 SCTP_TCB_UNLOCK(stcb); 4700 break; 4701 } 4702 if (send_out) { 4703 int cnt; 4704 uint16_t strm; 4705 4706 if (strrst->srs_number_streams) { 4707 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4708 strm = strrst->srs_stream_list[i]; 4709 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4710 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4711 cnt++; 4712 } 4713 } 4714 } else { 4715 /* Its all */ 4716 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4717 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4718 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4719 cnt++; 4720 } 4721 } 4722 } 4723 } 4724 if (send_in) { 4725 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4726 strrst->srs_stream_list, 4727 send_in, 0, 0, 0, 0, 0); 4728 } else { 4729 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4730 } 4731 if (error == 0) { 4732 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4733 } else { 4734 /* 4735 * For outgoing streams don't report any 4736 * problems in sending the request to the 4737 * application. XXX: Double check resetting 4738 * incoming streams. 4739 */ 4740 error = 0; 4741 } 4742 SCTP_TCB_UNLOCK(stcb); 4743 break; 4744 } 4745 case SCTP_ADD_STREAMS: 4746 { 4747 struct sctp_add_streams *stradd; 4748 uint8_t addstream = 0; 4749 uint16_t add_o_strmcnt = 0; 4750 uint16_t add_i_strmcnt = 0; 4751 4752 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4753 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4754 if (stcb == NULL) { 4755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4756 error = ENOENT; 4757 break; 4758 } 4759 if (stcb->asoc.reconfig_supported == 0) { 4760 /* 4761 * Peer does not support the chunk type. 4762 */ 4763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4764 error = EOPNOTSUPP; 4765 SCTP_TCB_UNLOCK(stcb); 4766 break; 4767 } 4768 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4769 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4770 error = EINVAL; 4771 SCTP_TCB_UNLOCK(stcb); 4772 break; 4773 } 4774 if (stcb->asoc.stream_reset_outstanding) { 4775 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4776 error = EALREADY; 4777 SCTP_TCB_UNLOCK(stcb); 4778 break; 4779 } 4780 if ((stradd->sas_outstrms == 0) && 4781 (stradd->sas_instrms == 0)) { 4782 error = EINVAL; 4783 goto skip_stuff; 4784 } 4785 if (stradd->sas_outstrms) { 4786 addstream = 1; 4787 /* We allocate here */ 4788 add_o_strmcnt = stradd->sas_outstrms; 4789 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4790 /* You can't have more than 64k */ 4791 error = EINVAL; 4792 goto skip_stuff; 4793 } 4794 } 4795 if (stradd->sas_instrms) { 4796 int cnt; 4797 4798 addstream |= 2; 4799 /* 4800 * We allocate inside 4801 * sctp_send_str_reset_req() 4802 */ 4803 add_i_strmcnt = stradd->sas_instrms; 4804 cnt = add_i_strmcnt; 4805 cnt += stcb->asoc.streamincnt; 4806 if (cnt > 0x0000ffff) { 4807 /* You can't have more than 64k */ 4808 error = EINVAL; 4809 goto skip_stuff; 4810 } 4811 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4812 /* More than you are allowed */ 4813 error = EINVAL; 4814 goto skip_stuff; 4815 } 4816 } 4817 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4818 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4819 skip_stuff: 4820 SCTP_TCB_UNLOCK(stcb); 4821 break; 4822 } 4823 case SCTP_RESET_ASSOC: 4824 { 4825 int i; 4826 uint32_t *value; 4827 4828 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4829 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4830 if (stcb == NULL) { 4831 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4832 error = ENOENT; 4833 break; 4834 } 4835 if (stcb->asoc.reconfig_supported == 0) { 4836 /* 4837 * Peer does not support the chunk type. 4838 */ 4839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4840 error = EOPNOTSUPP; 4841 SCTP_TCB_UNLOCK(stcb); 4842 break; 4843 } 4844 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4846 error = EINVAL; 4847 SCTP_TCB_UNLOCK(stcb); 4848 break; 4849 } 4850 if (stcb->asoc.stream_reset_outstanding) { 4851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4852 error = EALREADY; 4853 SCTP_TCB_UNLOCK(stcb); 4854 break; 4855 } 4856 /* 4857 * Is there any data pending in the send or sent 4858 * queues? 4859 */ 4860 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4861 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4862 busy_out: 4863 error = EBUSY; 4864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4865 SCTP_TCB_UNLOCK(stcb); 4866 break; 4867 } 4868 /* Do any streams have data queued? */ 4869 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4870 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4871 goto busy_out; 4872 } 4873 } 4874 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4875 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4876 SCTP_TCB_UNLOCK(stcb); 4877 break; 4878 } 4879 case SCTP_CONNECT_X: 4880 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4882 error = EINVAL; 4883 break; 4884 } 4885 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4886 break; 4887 case SCTP_CONNECT_X_DELAYED: 4888 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4890 error = EINVAL; 4891 break; 4892 } 4893 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4894 break; 4895 case SCTP_CONNECT_X_COMPLETE: 4896 { 4897 struct sockaddr *sa; 4898 4899 /* FIXME MT: check correct? */ 4900 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4901 4902 /* find tcb */ 4903 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4904 SCTP_INP_RLOCK(inp); 4905 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4906 if (stcb) { 4907 SCTP_TCB_LOCK(stcb); 4908 } 4909 SCTP_INP_RUNLOCK(inp); 4910 } else { 4911 /* 4912 * We increment here since 4913 * sctp_findassociation_ep_addr() wil do a 4914 * decrement if it finds the stcb as long as 4915 * the locked tcb (last argument) is NOT a 4916 * TCB.. aka NULL. 4917 */ 4918 SCTP_INP_INCR_REF(inp); 4919 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4920 if (stcb == NULL) { 4921 SCTP_INP_DECR_REF(inp); 4922 } 4923 } 4924 4925 if (stcb == NULL) { 4926 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4927 error = ENOENT; 4928 break; 4929 } 4930 if (stcb->asoc.delayed_connection == 1) { 4931 stcb->asoc.delayed_connection = 0; 4932 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4933 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4934 stcb->asoc.primary_destination, 4935 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4936 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4937 } else { 4938 /* 4939 * already expired or did not use delayed 4940 * connectx 4941 */ 4942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4943 error = EALREADY; 4944 } 4945 SCTP_TCB_UNLOCK(stcb); 4946 break; 4947 } 4948 case SCTP_MAX_BURST: 4949 { 4950 struct sctp_assoc_value *av; 4951 4952 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4953 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4954 4955 if (stcb) { 4956 stcb->asoc.max_burst = av->assoc_value; 4957 SCTP_TCB_UNLOCK(stcb); 4958 } else { 4959 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4960 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4961 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4962 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4963 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4964 SCTP_INP_WLOCK(inp); 4965 inp->sctp_ep.max_burst = av->assoc_value; 4966 SCTP_INP_WUNLOCK(inp); 4967 } 4968 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4969 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4970 (av->assoc_id == SCTP_ALL_ASSOC))) { 4971 SCTP_INP_RLOCK(inp); 4972 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4973 SCTP_TCB_LOCK(stcb); 4974 stcb->asoc.max_burst = av->assoc_value; 4975 SCTP_TCB_UNLOCK(stcb); 4976 } 4977 SCTP_INP_RUNLOCK(inp); 4978 } 4979 } 4980 break; 4981 } 4982 case SCTP_MAXSEG: 4983 { 4984 struct sctp_assoc_value *av; 4985 int ovh; 4986 4987 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4988 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4989 4990 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4991 ovh = SCTP_MED_OVERHEAD; 4992 } else { 4993 ovh = SCTP_MED_V4_OVERHEAD; 4994 } 4995 if (stcb) { 4996 if (av->assoc_value) { 4997 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4998 } else { 4999 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5000 } 5001 SCTP_TCB_UNLOCK(stcb); 5002 } else { 5003 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5004 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5005 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5006 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 5007 SCTP_INP_WLOCK(inp); 5008 /* 5009 * FIXME MT: I think this is not in 5010 * tune with the API ID 5011 */ 5012 if (av->assoc_value) { 5013 inp->sctp_frag_point = (av->assoc_value + ovh); 5014 } else { 5015 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5016 } 5017 SCTP_INP_WUNLOCK(inp); 5018 } else { 5019 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5020 error = EINVAL; 5021 } 5022 } 5023 break; 5024 } 5025 case SCTP_EVENTS: 5026 { 5027 struct sctp_event_subscribe *events; 5028 5029 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5030 5031 SCTP_INP_WLOCK(inp); 5032 if (events->sctp_data_io_event) { 5033 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5034 } else { 5035 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5036 } 5037 5038 if (events->sctp_association_event) { 5039 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5040 } else { 5041 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5042 } 5043 5044 if (events->sctp_address_event) { 5045 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5046 } else { 5047 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5048 } 5049 5050 if (events->sctp_send_failure_event) { 5051 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5052 } else { 5053 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5054 } 5055 5056 if (events->sctp_peer_error_event) { 5057 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5058 } else { 5059 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5060 } 5061 5062 if (events->sctp_shutdown_event) { 5063 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5064 } else { 5065 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5066 } 5067 5068 if (events->sctp_partial_delivery_event) { 5069 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5070 } else { 5071 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5072 } 5073 5074 if (events->sctp_adaptation_layer_event) { 5075 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5076 } else { 5077 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5078 } 5079 5080 if (events->sctp_authentication_event) { 5081 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5082 } else { 5083 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5084 } 5085 5086 if (events->sctp_sender_dry_event) { 5087 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5088 } else { 5089 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5090 } 5091 5092 if (events->sctp_stream_reset_event) { 5093 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5094 } else { 5095 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5096 } 5097 SCTP_INP_WUNLOCK(inp); 5098 5099 SCTP_INP_RLOCK(inp); 5100 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5101 SCTP_TCB_LOCK(stcb); 5102 if (events->sctp_association_event) { 5103 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5104 } else { 5105 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5106 } 5107 if (events->sctp_address_event) { 5108 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5109 } else { 5110 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5111 } 5112 if (events->sctp_send_failure_event) { 5113 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5114 } else { 5115 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5116 } 5117 if (events->sctp_peer_error_event) { 5118 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5119 } else { 5120 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5121 } 5122 if (events->sctp_shutdown_event) { 5123 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5124 } else { 5125 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5126 } 5127 if (events->sctp_partial_delivery_event) { 5128 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5129 } else { 5130 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5131 } 5132 if (events->sctp_adaptation_layer_event) { 5133 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5134 } else { 5135 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5136 } 5137 if (events->sctp_authentication_event) { 5138 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5139 } else { 5140 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5141 } 5142 if (events->sctp_sender_dry_event) { 5143 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5144 } else { 5145 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5146 } 5147 if (events->sctp_stream_reset_event) { 5148 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5149 } else { 5150 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5151 } 5152 SCTP_TCB_UNLOCK(stcb); 5153 } 5154 /* 5155 * Send up the sender dry event only for 1-to-1 5156 * style sockets. 5157 */ 5158 if (events->sctp_sender_dry_event) { 5159 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5160 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5161 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5162 if (stcb) { 5163 SCTP_TCB_LOCK(stcb); 5164 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5165 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5166 (stcb->asoc.stream_queue_cnt == 0)) { 5167 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5168 } 5169 SCTP_TCB_UNLOCK(stcb); 5170 } 5171 } 5172 } 5173 SCTP_INP_RUNLOCK(inp); 5174 break; 5175 } 5176 case SCTP_ADAPTATION_LAYER: 5177 { 5178 struct sctp_setadaptation *adap_bits; 5179 5180 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5181 SCTP_INP_WLOCK(inp); 5182 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5183 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5184 SCTP_INP_WUNLOCK(inp); 5185 break; 5186 } 5187 #ifdef SCTP_DEBUG 5188 case SCTP_SET_INITIAL_DBG_SEQ: 5189 { 5190 uint32_t *vvv; 5191 5192 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5193 SCTP_INP_WLOCK(inp); 5194 inp->sctp_ep.initial_sequence_debug = *vvv; 5195 SCTP_INP_WUNLOCK(inp); 5196 break; 5197 } 5198 #endif 5199 case SCTP_DEFAULT_SEND_PARAM: 5200 { 5201 struct sctp_sndrcvinfo *s_info; 5202 5203 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5204 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5205 5206 if (stcb) { 5207 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5208 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5209 } else { 5210 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5211 error = EINVAL; 5212 } 5213 SCTP_TCB_UNLOCK(stcb); 5214 } else { 5215 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5216 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5217 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5218 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5219 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5220 SCTP_INP_WLOCK(inp); 5221 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5222 SCTP_INP_WUNLOCK(inp); 5223 } 5224 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5225 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5226 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5227 SCTP_INP_RLOCK(inp); 5228 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5229 SCTP_TCB_LOCK(stcb); 5230 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5231 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5232 } 5233 SCTP_TCB_UNLOCK(stcb); 5234 } 5235 SCTP_INP_RUNLOCK(inp); 5236 } 5237 } 5238 break; 5239 } 5240 case SCTP_PEER_ADDR_PARAMS: 5241 { 5242 struct sctp_paddrparams *paddrp; 5243 struct sctp_nets *net; 5244 struct sockaddr *addr; 5245 #if defined(INET) && defined(INET6) 5246 struct sockaddr_in sin_store; 5247 #endif 5248 5249 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5250 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5251 5252 #if defined(INET) && defined(INET6) 5253 if (paddrp->spp_address.ss_family == AF_INET6) { 5254 struct sockaddr_in6 *sin6; 5255 5256 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5257 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5258 in6_sin6_2_sin(&sin_store, sin6); 5259 addr = (struct sockaddr *)&sin_store; 5260 } else { 5261 addr = (struct sockaddr *)&paddrp->spp_address; 5262 } 5263 } else { 5264 addr = (struct sockaddr *)&paddrp->spp_address; 5265 } 5266 #else 5267 addr = (struct sockaddr *)&paddrp->spp_address; 5268 #endif 5269 if (stcb != NULL) { 5270 net = sctp_findnet(stcb, addr); 5271 } else { 5272 /* 5273 * We increment here since 5274 * sctp_findassociation_ep_addr() wil do a 5275 * decrement if it finds the stcb as long as 5276 * the locked tcb (last argument) is NOT a 5277 * TCB.. aka NULL. 5278 */ 5279 net = NULL; 5280 SCTP_INP_INCR_REF(inp); 5281 stcb = sctp_findassociation_ep_addr(&inp, addr, 5282 &net, NULL, NULL); 5283 if (stcb == NULL) { 5284 SCTP_INP_DECR_REF(inp); 5285 } 5286 } 5287 if ((stcb != NULL) && (net == NULL)) { 5288 #ifdef INET 5289 if (addr->sa_family == AF_INET) { 5290 struct sockaddr_in *sin; 5291 5292 sin = (struct sockaddr_in *)addr; 5293 if (sin->sin_addr.s_addr != INADDR_ANY) { 5294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5295 SCTP_TCB_UNLOCK(stcb); 5296 error = EINVAL; 5297 break; 5298 } 5299 } else 5300 #endif 5301 #ifdef INET6 5302 if (addr->sa_family == AF_INET6) { 5303 struct sockaddr_in6 *sin6; 5304 5305 sin6 = (struct sockaddr_in6 *)addr; 5306 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5308 SCTP_TCB_UNLOCK(stcb); 5309 error = EINVAL; 5310 break; 5311 } 5312 } else 5313 #endif 5314 { 5315 error = EAFNOSUPPORT; 5316 SCTP_TCB_UNLOCK(stcb); 5317 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5318 break; 5319 } 5320 } 5321 /* sanity checks */ 5322 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5323 if (stcb) 5324 SCTP_TCB_UNLOCK(stcb); 5325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5326 return (EINVAL); 5327 } 5328 5329 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5330 if (stcb) 5331 SCTP_TCB_UNLOCK(stcb); 5332 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5333 return (EINVAL); 5334 } 5335 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5336 (paddrp->spp_pathmtu > 0) && 5337 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5338 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5339 if (stcb) 5340 SCTP_TCB_UNLOCK(stcb); 5341 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5342 return (EINVAL); 5343 } 5344 5345 if (stcb != NULL) { 5346 /************************TCB SPECIFIC SET ******************/ 5347 if (net != NULL) { 5348 /************************NET SPECIFIC SET ******************/ 5349 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5350 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5351 !(net->dest_state & SCTP_ADDR_NOHB)) { 5352 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5353 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5354 } 5355 net->dest_state |= SCTP_ADDR_NOHB; 5356 } 5357 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5358 if (paddrp->spp_hbinterval) { 5359 net->heart_beat_delay = paddrp->spp_hbinterval; 5360 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5361 net->heart_beat_delay = 0; 5362 } 5363 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5364 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5365 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5366 net->dest_state &= ~SCTP_ADDR_NOHB; 5367 } 5368 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5369 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5370 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5371 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5372 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5373 } 5374 } 5375 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5376 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5377 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5378 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5379 } 5380 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5381 if (paddrp->spp_pathmtu > 0) { 5382 net->mtu = paddrp->spp_pathmtu; 5383 switch (net->ro._l_addr.sa.sa_family) { 5384 #ifdef INET 5385 case AF_INET: 5386 net->mtu += SCTP_MIN_V4_OVERHEAD; 5387 break; 5388 #endif 5389 #ifdef INET6 5390 case AF_INET6: 5391 net->mtu += SCTP_MIN_OVERHEAD; 5392 break; 5393 #endif 5394 default: 5395 break; 5396 } 5397 if (net->mtu < stcb->asoc.smallest_mtu) { 5398 sctp_pathmtu_adjustment(stcb, net->mtu); 5399 } 5400 } 5401 } 5402 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5403 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5404 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5405 } 5406 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5407 } 5408 if (paddrp->spp_pathmaxrxt > 0) { 5409 if (net->dest_state & SCTP_ADDR_PF) { 5410 if (net->error_count > paddrp->spp_pathmaxrxt) { 5411 net->dest_state &= ~SCTP_ADDR_PF; 5412 } 5413 } else { 5414 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5415 (net->error_count > net->pf_threshold)) { 5416 net->dest_state |= SCTP_ADDR_PF; 5417 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5418 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5419 stcb->sctp_ep, stcb, net, 5420 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5421 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5422 } 5423 } 5424 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5425 if (net->error_count > paddrp->spp_pathmaxrxt) { 5426 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5427 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5428 } 5429 } else { 5430 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5431 net->dest_state |= SCTP_ADDR_REACHABLE; 5432 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5433 } 5434 } 5435 net->failure_threshold = paddrp->spp_pathmaxrxt; 5436 } 5437 if (paddrp->spp_flags & SPP_DSCP) { 5438 net->dscp = paddrp->spp_dscp & 0xfc; 5439 net->dscp |= 0x01; 5440 } 5441 #ifdef INET6 5442 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5443 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5444 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5445 net->flowlabel |= 0x80000000; 5446 } 5447 } 5448 #endif 5449 } else { 5450 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5451 if (paddrp->spp_pathmaxrxt > 0) { 5452 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5453 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5454 if (net->dest_state & SCTP_ADDR_PF) { 5455 if (net->error_count > paddrp->spp_pathmaxrxt) { 5456 net->dest_state &= ~SCTP_ADDR_PF; 5457 } 5458 } else { 5459 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5460 (net->error_count > net->pf_threshold)) { 5461 net->dest_state |= SCTP_ADDR_PF; 5462 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5463 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5464 stcb->sctp_ep, stcb, net, 5465 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5466 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5467 } 5468 } 5469 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5470 if (net->error_count > paddrp->spp_pathmaxrxt) { 5471 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5472 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5473 } 5474 } else { 5475 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5476 net->dest_state |= SCTP_ADDR_REACHABLE; 5477 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5478 } 5479 } 5480 net->failure_threshold = paddrp->spp_pathmaxrxt; 5481 } 5482 } 5483 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5484 if (paddrp->spp_hbinterval != 0) { 5485 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5486 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5487 stcb->asoc.heart_beat_delay = 0; 5488 } 5489 /* Turn back on the timer */ 5490 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5491 if (paddrp->spp_hbinterval != 0) { 5492 net->heart_beat_delay = paddrp->spp_hbinterval; 5493 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5494 net->heart_beat_delay = 0; 5495 } 5496 if (net->dest_state & SCTP_ADDR_NOHB) { 5497 net->dest_state &= ~SCTP_ADDR_NOHB; 5498 } 5499 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5500 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5501 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5502 } 5503 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5504 } 5505 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5506 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5507 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5508 net->dest_state |= SCTP_ADDR_NOHB; 5509 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5510 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5511 inp, stcb, net, 5512 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5513 } 5514 } 5515 } 5516 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5517 } 5518 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5519 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5520 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5521 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5522 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5523 } 5524 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5525 if (paddrp->spp_pathmtu > 0) { 5526 net->mtu = paddrp->spp_pathmtu; 5527 switch (net->ro._l_addr.sa.sa_family) { 5528 #ifdef INET 5529 case AF_INET: 5530 net->mtu += SCTP_MIN_V4_OVERHEAD; 5531 break; 5532 #endif 5533 #ifdef INET6 5534 case AF_INET6: 5535 net->mtu += SCTP_MIN_OVERHEAD; 5536 break; 5537 #endif 5538 default: 5539 break; 5540 } 5541 if (net->mtu < stcb->asoc.smallest_mtu) { 5542 sctp_pathmtu_adjustment(stcb, net->mtu); 5543 } 5544 } 5545 } 5546 if (paddrp->spp_pathmtu > 0) { 5547 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5548 } 5549 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5550 } 5551 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5552 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5553 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5554 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5555 } 5556 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5557 } 5558 stcb->asoc.default_mtu = 0; 5559 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5560 } 5561 if (paddrp->spp_flags & SPP_DSCP) { 5562 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5563 net->dscp = paddrp->spp_dscp & 0xfc; 5564 net->dscp |= 0x01; 5565 } 5566 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5567 stcb->asoc.default_dscp |= 0x01; 5568 } 5569 #ifdef INET6 5570 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5571 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5572 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5573 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5574 net->flowlabel |= 0x80000000; 5575 } 5576 } 5577 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5578 stcb->asoc.default_flowlabel |= 0x80000000; 5579 } 5580 #endif 5581 } 5582 SCTP_TCB_UNLOCK(stcb); 5583 } else { 5584 /************************NO TCB, SET TO default stuff ******************/ 5585 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5586 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5587 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5588 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5589 SCTP_INP_WLOCK(inp); 5590 /* 5591 * For the TOS/FLOWLABEL stuff you 5592 * set it with the options on the 5593 * socket 5594 */ 5595 if (paddrp->spp_pathmaxrxt > 0) { 5596 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5597 } 5598 5599 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5600 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5601 else if (paddrp->spp_hbinterval != 0) { 5602 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5603 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5604 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5605 } 5606 5607 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5608 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5609 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5610 } else if (paddrp->spp_hbinterval) { 5611 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5612 } 5613 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5614 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5615 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5616 } 5617 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5618 inp->sctp_ep.default_mtu = 0; 5619 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5620 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5621 if (paddrp->spp_pathmtu > 0) { 5622 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5623 } 5624 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5625 } 5626 if (paddrp->spp_flags & SPP_DSCP) { 5627 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5628 inp->sctp_ep.default_dscp |= 0x01; 5629 } 5630 #ifdef INET6 5631 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5632 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5633 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5634 inp->sctp_ep.default_flowlabel |= 0x80000000; 5635 } 5636 } 5637 #endif 5638 SCTP_INP_WUNLOCK(inp); 5639 } else { 5640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5641 error = EINVAL; 5642 } 5643 } 5644 break; 5645 } 5646 case SCTP_RTOINFO: 5647 { 5648 struct sctp_rtoinfo *srto; 5649 uint32_t new_init, new_min, new_max; 5650 5651 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5652 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5653 5654 if (stcb) { 5655 if (srto->srto_initial) 5656 new_init = srto->srto_initial; 5657 else 5658 new_init = stcb->asoc.initial_rto; 5659 if (srto->srto_max) 5660 new_max = srto->srto_max; 5661 else 5662 new_max = stcb->asoc.maxrto; 5663 if (srto->srto_min) 5664 new_min = srto->srto_min; 5665 else 5666 new_min = stcb->asoc.minrto; 5667 if ((new_min <= new_init) && (new_init <= new_max)) { 5668 stcb->asoc.initial_rto = new_init; 5669 stcb->asoc.maxrto = new_max; 5670 stcb->asoc.minrto = new_min; 5671 } else { 5672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5673 error = EINVAL; 5674 } 5675 SCTP_TCB_UNLOCK(stcb); 5676 } else { 5677 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5678 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5679 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5680 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5681 SCTP_INP_WLOCK(inp); 5682 if (srto->srto_initial) 5683 new_init = srto->srto_initial; 5684 else 5685 new_init = inp->sctp_ep.initial_rto; 5686 if (srto->srto_max) 5687 new_max = srto->srto_max; 5688 else 5689 new_max = inp->sctp_ep.sctp_maxrto; 5690 if (srto->srto_min) 5691 new_min = srto->srto_min; 5692 else 5693 new_min = inp->sctp_ep.sctp_minrto; 5694 if ((new_min <= new_init) && (new_init <= new_max)) { 5695 inp->sctp_ep.initial_rto = new_init; 5696 inp->sctp_ep.sctp_maxrto = new_max; 5697 inp->sctp_ep.sctp_minrto = new_min; 5698 } else { 5699 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5700 error = EINVAL; 5701 } 5702 SCTP_INP_WUNLOCK(inp); 5703 } else { 5704 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5705 error = EINVAL; 5706 } 5707 } 5708 break; 5709 } 5710 case SCTP_ASSOCINFO: 5711 { 5712 struct sctp_assocparams *sasoc; 5713 5714 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5715 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5716 if (sasoc->sasoc_cookie_life > 0) { 5717 /* boundary check the cookie life */ 5718 if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) { 5719 sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE; 5720 } 5721 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5722 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5723 } 5724 } 5725 if (stcb) { 5726 if (sasoc->sasoc_asocmaxrxt > 0) { 5727 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5728 } 5729 if (sasoc->sasoc_cookie_life > 0) { 5730 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5731 } 5732 SCTP_TCB_UNLOCK(stcb); 5733 } else { 5734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5735 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5736 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5737 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5738 SCTP_INP_WLOCK(inp); 5739 if (sasoc->sasoc_asocmaxrxt > 0) { 5740 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5741 } 5742 if (sasoc->sasoc_cookie_life > 0) { 5743 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5744 } 5745 SCTP_INP_WUNLOCK(inp); 5746 } else { 5747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5748 error = EINVAL; 5749 } 5750 } 5751 break; 5752 } 5753 case SCTP_INITMSG: 5754 { 5755 struct sctp_initmsg *sinit; 5756 5757 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5758 SCTP_INP_WLOCK(inp); 5759 if (sinit->sinit_num_ostreams) 5760 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5761 5762 if (sinit->sinit_max_instreams) 5763 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5764 5765 if (sinit->sinit_max_attempts) 5766 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5767 5768 if (sinit->sinit_max_init_timeo) 5769 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5770 SCTP_INP_WUNLOCK(inp); 5771 break; 5772 } 5773 case SCTP_PRIMARY_ADDR: 5774 { 5775 struct sctp_setprim *spa; 5776 struct sctp_nets *net; 5777 struct sockaddr *addr; 5778 #if defined(INET) && defined(INET6) 5779 struct sockaddr_in sin_store; 5780 #endif 5781 5782 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5783 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5784 5785 #if defined(INET) && defined(INET6) 5786 if (spa->ssp_addr.ss_family == AF_INET6) { 5787 struct sockaddr_in6 *sin6; 5788 5789 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5790 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5791 in6_sin6_2_sin(&sin_store, sin6); 5792 addr = (struct sockaddr *)&sin_store; 5793 } else { 5794 addr = (struct sockaddr *)&spa->ssp_addr; 5795 } 5796 } else { 5797 addr = (struct sockaddr *)&spa->ssp_addr; 5798 } 5799 #else 5800 addr = (struct sockaddr *)&spa->ssp_addr; 5801 #endif 5802 if (stcb != NULL) { 5803 net = sctp_findnet(stcb, addr); 5804 } else { 5805 /* 5806 * We increment here since 5807 * sctp_findassociation_ep_addr() wil do a 5808 * decrement if it finds the stcb as long as 5809 * the locked tcb (last argument) is NOT a 5810 * TCB.. aka NULL. 5811 */ 5812 net = NULL; 5813 SCTP_INP_INCR_REF(inp); 5814 stcb = sctp_findassociation_ep_addr(&inp, addr, 5815 &net, NULL, NULL); 5816 if (stcb == NULL) { 5817 SCTP_INP_DECR_REF(inp); 5818 } 5819 } 5820 5821 if ((stcb != NULL) && (net != NULL)) { 5822 if (net != stcb->asoc.primary_destination) { 5823 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5824 /* Ok we need to set it */ 5825 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5826 if ((stcb->asoc.alternate) && 5827 (!(net->dest_state & SCTP_ADDR_PF)) && 5828 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5829 sctp_free_remote_addr(stcb->asoc.alternate); 5830 stcb->asoc.alternate = NULL; 5831 } 5832 } else { 5833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5834 error = EINVAL; 5835 } 5836 } else { 5837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5838 error = EINVAL; 5839 } 5840 } 5841 } else { 5842 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5843 error = EINVAL; 5844 } 5845 if (stcb != NULL) { 5846 SCTP_TCB_UNLOCK(stcb); 5847 } 5848 break; 5849 } 5850 case SCTP_SET_DYNAMIC_PRIMARY: 5851 { 5852 union sctp_sockstore *ss; 5853 5854 error = priv_check(curthread, 5855 PRIV_NETINET_RESERVEDPORT); 5856 if (error) 5857 break; 5858 5859 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5860 /* SUPER USER CHECK? */ 5861 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5862 break; 5863 } 5864 case SCTP_SET_PEER_PRIMARY_ADDR: 5865 { 5866 struct sctp_setpeerprim *sspp; 5867 struct sockaddr *addr; 5868 #if defined(INET) && defined(INET6) 5869 struct sockaddr_in sin_store; 5870 #endif 5871 5872 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5873 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5874 if (stcb != NULL) { 5875 struct sctp_ifa *ifa; 5876 5877 #if defined(INET) && defined(INET6) 5878 if (sspp->sspp_addr.ss_family == AF_INET6) { 5879 struct sockaddr_in6 *sin6; 5880 5881 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5882 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5883 in6_sin6_2_sin(&sin_store, sin6); 5884 addr = (struct sockaddr *)&sin_store; 5885 } else { 5886 addr = (struct sockaddr *)&sspp->sspp_addr; 5887 } 5888 } else { 5889 addr = (struct sockaddr *)&sspp->sspp_addr; 5890 } 5891 #else 5892 addr = (struct sockaddr *)&sspp->sspp_addr; 5893 #endif 5894 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5895 if (ifa == NULL) { 5896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5897 error = EINVAL; 5898 goto out_of_it; 5899 } 5900 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5901 /* 5902 * Must validate the ifa found is in 5903 * our ep 5904 */ 5905 struct sctp_laddr *laddr; 5906 int found = 0; 5907 5908 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5909 if (laddr->ifa == NULL) { 5910 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5911 __func__); 5912 continue; 5913 } 5914 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5915 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5916 continue; 5917 } 5918 if (laddr->ifa == ifa) { 5919 found = 1; 5920 break; 5921 } 5922 } 5923 if (!found) { 5924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5925 error = EINVAL; 5926 goto out_of_it; 5927 } 5928 } else { 5929 switch (addr->sa_family) { 5930 #ifdef INET 5931 case AF_INET: 5932 { 5933 struct sockaddr_in *sin; 5934 5935 sin = (struct sockaddr_in *)addr; 5936 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5937 &sin->sin_addr) != 0) { 5938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5939 error = EINVAL; 5940 goto out_of_it; 5941 } 5942 break; 5943 } 5944 #endif 5945 #ifdef INET6 5946 case AF_INET6: 5947 { 5948 struct sockaddr_in6 *sin6; 5949 5950 sin6 = (struct sockaddr_in6 *)addr; 5951 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5952 &sin6->sin6_addr) != 0) { 5953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5954 error = EINVAL; 5955 goto out_of_it; 5956 } 5957 break; 5958 } 5959 #endif 5960 default: 5961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5962 error = EINVAL; 5963 goto out_of_it; 5964 } 5965 } 5966 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5968 error = EINVAL; 5969 } 5970 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5971 out_of_it: 5972 SCTP_TCB_UNLOCK(stcb); 5973 } else { 5974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5975 error = EINVAL; 5976 } 5977 break; 5978 } 5979 case SCTP_BINDX_ADD_ADDR: 5980 { 5981 struct sockaddr *sa; 5982 struct thread *td; 5983 5984 td = (struct thread *)p; 5985 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5986 #ifdef INET 5987 if (sa->sa_family == AF_INET) { 5988 if (optsize < sizeof(struct sockaddr_in)) { 5989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5990 error = EINVAL; 5991 break; 5992 } 5993 if (td != NULL && 5994 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5995 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5996 break; 5997 } 5998 } else 5999 #endif 6000 #ifdef INET6 6001 if (sa->sa_family == AF_INET6) { 6002 if (optsize < sizeof(struct sockaddr_in6)) { 6003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6004 error = EINVAL; 6005 break; 6006 } 6007 if (td != NULL && 6008 (error = prison_local_ip6(td->td_ucred, 6009 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6010 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6011 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6012 break; 6013 } 6014 } else 6015 #endif 6016 { 6017 error = EAFNOSUPPORT; 6018 break; 6019 } 6020 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 6021 break; 6022 } 6023 case SCTP_BINDX_REM_ADDR: 6024 { 6025 struct sockaddr *sa; 6026 struct thread *td; 6027 6028 td = (struct thread *)p; 6029 6030 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 6031 #ifdef INET 6032 if (sa->sa_family == AF_INET) { 6033 if (optsize < sizeof(struct sockaddr_in)) { 6034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6035 error = EINVAL; 6036 break; 6037 } 6038 if (td != NULL && 6039 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6040 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6041 break; 6042 } 6043 } else 6044 #endif 6045 #ifdef INET6 6046 if (sa->sa_family == AF_INET6) { 6047 if (optsize < sizeof(struct sockaddr_in6)) { 6048 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6049 error = EINVAL; 6050 break; 6051 } 6052 if (td != NULL && 6053 (error = prison_local_ip6(td->td_ucred, 6054 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6055 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6056 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6057 break; 6058 } 6059 } else 6060 #endif 6061 { 6062 error = EAFNOSUPPORT; 6063 break; 6064 } 6065 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6066 break; 6067 } 6068 case SCTP_EVENT: 6069 { 6070 struct sctp_event *event; 6071 uint32_t event_type; 6072 6073 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6074 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6075 switch (event->se_type) { 6076 case SCTP_ASSOC_CHANGE: 6077 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6078 break; 6079 case SCTP_PEER_ADDR_CHANGE: 6080 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6081 break; 6082 case SCTP_REMOTE_ERROR: 6083 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6084 break; 6085 case SCTP_SEND_FAILED: 6086 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6087 break; 6088 case SCTP_SHUTDOWN_EVENT: 6089 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6090 break; 6091 case SCTP_ADAPTATION_INDICATION: 6092 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6093 break; 6094 case SCTP_PARTIAL_DELIVERY_EVENT: 6095 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6096 break; 6097 case SCTP_AUTHENTICATION_EVENT: 6098 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6099 break; 6100 case SCTP_STREAM_RESET_EVENT: 6101 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6102 break; 6103 case SCTP_SENDER_DRY_EVENT: 6104 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6105 break; 6106 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6107 event_type = 0; 6108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6109 error = ENOTSUP; 6110 break; 6111 case SCTP_ASSOC_RESET_EVENT: 6112 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6113 break; 6114 case SCTP_STREAM_CHANGE_EVENT: 6115 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6116 break; 6117 case SCTP_SEND_FAILED_EVENT: 6118 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6119 break; 6120 default: 6121 event_type = 0; 6122 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6123 error = EINVAL; 6124 break; 6125 } 6126 if (event_type > 0) { 6127 if (stcb) { 6128 if (event->se_on) { 6129 sctp_stcb_feature_on(inp, stcb, event_type); 6130 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6131 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6132 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6133 (stcb->asoc.stream_queue_cnt == 0)) { 6134 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6135 } 6136 } 6137 } else { 6138 sctp_stcb_feature_off(inp, stcb, event_type); 6139 } 6140 SCTP_TCB_UNLOCK(stcb); 6141 } else { 6142 /* 6143 * We don't want to send up a storm 6144 * of events, so return an error for 6145 * sender dry events 6146 */ 6147 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6148 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6149 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6150 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6151 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6152 error = ENOTSUP; 6153 break; 6154 } 6155 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6156 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6157 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6158 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6159 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6160 SCTP_INP_WLOCK(inp); 6161 if (event->se_on) { 6162 sctp_feature_on(inp, event_type); 6163 } else { 6164 sctp_feature_off(inp, event_type); 6165 } 6166 SCTP_INP_WUNLOCK(inp); 6167 } 6168 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6169 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6170 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6171 SCTP_INP_RLOCK(inp); 6172 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6173 SCTP_TCB_LOCK(stcb); 6174 if (event->se_on) { 6175 sctp_stcb_feature_on(inp, stcb, event_type); 6176 } else { 6177 sctp_stcb_feature_off(inp, stcb, event_type); 6178 } 6179 SCTP_TCB_UNLOCK(stcb); 6180 } 6181 SCTP_INP_RUNLOCK(inp); 6182 } 6183 } 6184 } else { 6185 if (stcb) { 6186 SCTP_TCB_UNLOCK(stcb); 6187 } 6188 } 6189 break; 6190 } 6191 case SCTP_RECVRCVINFO: 6192 { 6193 int *onoff; 6194 6195 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6196 SCTP_INP_WLOCK(inp); 6197 if (*onoff != 0) { 6198 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6199 } else { 6200 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6201 } 6202 SCTP_INP_WUNLOCK(inp); 6203 break; 6204 } 6205 case SCTP_RECVNXTINFO: 6206 { 6207 int *onoff; 6208 6209 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6210 SCTP_INP_WLOCK(inp); 6211 if (*onoff != 0) { 6212 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6213 } else { 6214 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6215 } 6216 SCTP_INP_WUNLOCK(inp); 6217 break; 6218 } 6219 case SCTP_DEFAULT_SNDINFO: 6220 { 6221 struct sctp_sndinfo *info; 6222 uint16_t policy; 6223 6224 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6225 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6226 6227 if (stcb) { 6228 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6229 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6230 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6231 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6232 stcb->asoc.def_send.sinfo_flags |= policy; 6233 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6234 stcb->asoc.def_send.sinfo_context = info->snd_context; 6235 } else { 6236 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6237 error = EINVAL; 6238 } 6239 SCTP_TCB_UNLOCK(stcb); 6240 } else { 6241 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6242 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6243 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6244 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6245 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6246 SCTP_INP_WLOCK(inp); 6247 inp->def_send.sinfo_stream = info->snd_sid; 6248 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6249 inp->def_send.sinfo_flags = info->snd_flags; 6250 inp->def_send.sinfo_flags |= policy; 6251 inp->def_send.sinfo_ppid = info->snd_ppid; 6252 inp->def_send.sinfo_context = info->snd_context; 6253 SCTP_INP_WUNLOCK(inp); 6254 } 6255 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6256 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6257 (info->snd_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 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6262 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6263 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6264 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6265 stcb->asoc.def_send.sinfo_flags |= policy; 6266 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6267 stcb->asoc.def_send.sinfo_context = info->snd_context; 6268 } 6269 SCTP_TCB_UNLOCK(stcb); 6270 } 6271 SCTP_INP_RUNLOCK(inp); 6272 } 6273 } 6274 break; 6275 } 6276 case SCTP_DEFAULT_PRINFO: 6277 { 6278 struct sctp_default_prinfo *info; 6279 6280 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6281 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6282 6283 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6284 if (stcb) { 6285 SCTP_TCB_UNLOCK(stcb); 6286 } 6287 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6288 error = EINVAL; 6289 break; 6290 } 6291 if (stcb) { 6292 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6293 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6294 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6295 SCTP_TCB_UNLOCK(stcb); 6296 } else { 6297 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6298 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6299 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6300 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6301 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6302 SCTP_INP_WLOCK(inp); 6303 inp->def_send.sinfo_flags &= 0xfff0; 6304 inp->def_send.sinfo_flags |= info->pr_policy; 6305 inp->def_send.sinfo_timetolive = info->pr_value; 6306 SCTP_INP_WUNLOCK(inp); 6307 } 6308 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6309 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6310 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6311 SCTP_INP_RLOCK(inp); 6312 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6313 SCTP_TCB_LOCK(stcb); 6314 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6315 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6316 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6317 SCTP_TCB_UNLOCK(stcb); 6318 } 6319 SCTP_INP_RUNLOCK(inp); 6320 } 6321 } 6322 break; 6323 } 6324 case SCTP_PEER_ADDR_THLDS: 6325 /* Applies to the specific association */ 6326 { 6327 struct sctp_paddrthlds *thlds; 6328 struct sctp_nets *net; 6329 struct sockaddr *addr; 6330 #if defined(INET) && defined(INET6) 6331 struct sockaddr_in sin_store; 6332 #endif 6333 6334 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6335 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6336 6337 #if defined(INET) && defined(INET6) 6338 if (thlds->spt_address.ss_family == AF_INET6) { 6339 struct sockaddr_in6 *sin6; 6340 6341 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6342 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6343 in6_sin6_2_sin(&sin_store, sin6); 6344 addr = (struct sockaddr *)&sin_store; 6345 } else { 6346 addr = (struct sockaddr *)&thlds->spt_address; 6347 } 6348 } else { 6349 addr = (struct sockaddr *)&thlds->spt_address; 6350 } 6351 #else 6352 addr = (struct sockaddr *)&thlds->spt_address; 6353 #endif 6354 if (stcb != NULL) { 6355 net = sctp_findnet(stcb, addr); 6356 } else { 6357 /* 6358 * We increment here since 6359 * sctp_findassociation_ep_addr() wil do a 6360 * decrement if it finds the stcb as long as 6361 * the locked tcb (last argument) is NOT a 6362 * TCB.. aka NULL. 6363 */ 6364 net = NULL; 6365 SCTP_INP_INCR_REF(inp); 6366 stcb = sctp_findassociation_ep_addr(&inp, addr, 6367 &net, NULL, NULL); 6368 if (stcb == NULL) { 6369 SCTP_INP_DECR_REF(inp); 6370 } 6371 } 6372 if ((stcb != NULL) && (net == NULL)) { 6373 #ifdef INET 6374 if (addr->sa_family == AF_INET) { 6375 struct sockaddr_in *sin; 6376 6377 sin = (struct sockaddr_in *)addr; 6378 if (sin->sin_addr.s_addr != INADDR_ANY) { 6379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6380 SCTP_TCB_UNLOCK(stcb); 6381 error = EINVAL; 6382 break; 6383 } 6384 } else 6385 #endif 6386 #ifdef INET6 6387 if (addr->sa_family == AF_INET6) { 6388 struct sockaddr_in6 *sin6; 6389 6390 sin6 = (struct sockaddr_in6 *)addr; 6391 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6393 SCTP_TCB_UNLOCK(stcb); 6394 error = EINVAL; 6395 break; 6396 } 6397 } else 6398 #endif 6399 { 6400 error = EAFNOSUPPORT; 6401 SCTP_TCB_UNLOCK(stcb); 6402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6403 break; 6404 } 6405 } 6406 if (thlds->spt_pathcpthld != 0xffff) { 6407 if (stcb != NULL) { 6408 SCTP_TCB_UNLOCK(stcb); 6409 } 6410 error = EINVAL; 6411 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6412 break; 6413 } 6414 if (stcb != NULL) { 6415 if (net != NULL) { 6416 net->failure_threshold = thlds->spt_pathmaxrxt; 6417 net->pf_threshold = thlds->spt_pathpfthld; 6418 if (net->dest_state & SCTP_ADDR_PF) { 6419 if ((net->error_count > net->failure_threshold) || 6420 (net->error_count <= net->pf_threshold)) { 6421 net->dest_state &= ~SCTP_ADDR_PF; 6422 } 6423 } else { 6424 if ((net->error_count > net->pf_threshold) && 6425 (net->error_count <= net->failure_threshold)) { 6426 net->dest_state |= SCTP_ADDR_PF; 6427 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6428 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6429 stcb->sctp_ep, stcb, net, 6430 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6431 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6432 } 6433 } 6434 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6435 if (net->error_count > net->failure_threshold) { 6436 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6437 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6438 } 6439 } else { 6440 if (net->error_count <= net->failure_threshold) { 6441 net->dest_state |= SCTP_ADDR_REACHABLE; 6442 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6443 } 6444 } 6445 } else { 6446 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6447 net->failure_threshold = thlds->spt_pathmaxrxt; 6448 net->pf_threshold = thlds->spt_pathpfthld; 6449 if (net->dest_state & SCTP_ADDR_PF) { 6450 if ((net->error_count > net->failure_threshold) || 6451 (net->error_count <= net->pf_threshold)) { 6452 net->dest_state &= ~SCTP_ADDR_PF; 6453 } 6454 } else { 6455 if ((net->error_count > net->pf_threshold) && 6456 (net->error_count <= net->failure_threshold)) { 6457 net->dest_state |= SCTP_ADDR_PF; 6458 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6459 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6460 stcb->sctp_ep, stcb, net, 6461 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6462 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6463 } 6464 } 6465 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6466 if (net->error_count > net->failure_threshold) { 6467 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6468 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6469 } 6470 } else { 6471 if (net->error_count <= net->failure_threshold) { 6472 net->dest_state |= SCTP_ADDR_REACHABLE; 6473 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6474 } 6475 } 6476 } 6477 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6478 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6479 } 6480 SCTP_TCB_UNLOCK(stcb); 6481 } else { 6482 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6483 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6484 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6485 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6486 SCTP_INP_WLOCK(inp); 6487 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6488 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6489 SCTP_INP_WUNLOCK(inp); 6490 } else { 6491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6492 error = EINVAL; 6493 } 6494 } 6495 break; 6496 } 6497 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6498 { 6499 struct sctp_udpencaps *encaps; 6500 struct sctp_nets *net; 6501 struct sockaddr *addr; 6502 #if defined(INET) && defined(INET6) 6503 struct sockaddr_in sin_store; 6504 #endif 6505 6506 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6507 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6508 6509 #if defined(INET) && defined(INET6) 6510 if (encaps->sue_address.ss_family == AF_INET6) { 6511 struct sockaddr_in6 *sin6; 6512 6513 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6514 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6515 in6_sin6_2_sin(&sin_store, sin6); 6516 addr = (struct sockaddr *)&sin_store; 6517 } else { 6518 addr = (struct sockaddr *)&encaps->sue_address; 6519 } 6520 } else { 6521 addr = (struct sockaddr *)&encaps->sue_address; 6522 } 6523 #else 6524 addr = (struct sockaddr *)&encaps->sue_address; 6525 #endif 6526 if (stcb != NULL) { 6527 net = sctp_findnet(stcb, addr); 6528 } else { 6529 /* 6530 * We increment here since 6531 * sctp_findassociation_ep_addr() wil do a 6532 * decrement if it finds the stcb as long as 6533 * the locked tcb (last argument) is NOT a 6534 * TCB.. aka NULL. 6535 */ 6536 net = NULL; 6537 SCTP_INP_INCR_REF(inp); 6538 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6539 if (stcb == NULL) { 6540 SCTP_INP_DECR_REF(inp); 6541 } 6542 } 6543 if ((stcb != NULL) && (net == NULL)) { 6544 #ifdef INET 6545 if (addr->sa_family == AF_INET) { 6546 struct sockaddr_in *sin; 6547 6548 sin = (struct sockaddr_in *)addr; 6549 if (sin->sin_addr.s_addr != INADDR_ANY) { 6550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6551 SCTP_TCB_UNLOCK(stcb); 6552 error = EINVAL; 6553 break; 6554 } 6555 } else 6556 #endif 6557 #ifdef INET6 6558 if (addr->sa_family == AF_INET6) { 6559 struct sockaddr_in6 *sin6; 6560 6561 sin6 = (struct sockaddr_in6 *)addr; 6562 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6564 SCTP_TCB_UNLOCK(stcb); 6565 error = EINVAL; 6566 break; 6567 } 6568 } else 6569 #endif 6570 { 6571 error = EAFNOSUPPORT; 6572 SCTP_TCB_UNLOCK(stcb); 6573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6574 break; 6575 } 6576 } 6577 6578 if (stcb != NULL) { 6579 if (net != NULL) { 6580 net->port = encaps->sue_port; 6581 } else { 6582 stcb->asoc.port = encaps->sue_port; 6583 } 6584 SCTP_TCB_UNLOCK(stcb); 6585 } else { 6586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6588 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6589 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6590 SCTP_INP_WLOCK(inp); 6591 inp->sctp_ep.port = encaps->sue_port; 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_ECN_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 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6615 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6616 SCTP_INP_WLOCK(inp); 6617 if (av->assoc_value == 0) { 6618 inp->ecn_supported = 0; 6619 } else { 6620 inp->ecn_supported = 1; 6621 } 6622 SCTP_INP_WUNLOCK(inp); 6623 } else { 6624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6625 error = EINVAL; 6626 } 6627 } 6628 break; 6629 } 6630 case SCTP_PR_SUPPORTED: 6631 { 6632 struct sctp_assoc_value *av; 6633 6634 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6635 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6636 6637 if (stcb) { 6638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6639 error = EINVAL; 6640 SCTP_TCB_UNLOCK(stcb); 6641 } else { 6642 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6643 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6644 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6645 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6646 SCTP_INP_WLOCK(inp); 6647 if (av->assoc_value == 0) { 6648 inp->prsctp_supported = 0; 6649 } else { 6650 inp->prsctp_supported = 1; 6651 } 6652 SCTP_INP_WUNLOCK(inp); 6653 } else { 6654 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6655 error = EINVAL; 6656 } 6657 } 6658 break; 6659 } 6660 case SCTP_AUTH_SUPPORTED: 6661 { 6662 struct sctp_assoc_value *av; 6663 6664 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6665 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6666 6667 if (stcb) { 6668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6669 error = EINVAL; 6670 SCTP_TCB_UNLOCK(stcb); 6671 } else { 6672 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6673 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6674 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6675 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6676 if ((av->assoc_value == 0) && 6677 (inp->asconf_supported == 1)) { 6678 /* 6679 * AUTH is required for 6680 * ASCONF 6681 */ 6682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6683 error = EINVAL; 6684 } else { 6685 SCTP_INP_WLOCK(inp); 6686 if (av->assoc_value == 0) { 6687 inp->auth_supported = 0; 6688 } else { 6689 inp->auth_supported = 1; 6690 } 6691 SCTP_INP_WUNLOCK(inp); 6692 } 6693 } else { 6694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6695 error = EINVAL; 6696 } 6697 } 6698 break; 6699 } 6700 case SCTP_ASCONF_SUPPORTED: 6701 { 6702 struct sctp_assoc_value *av; 6703 6704 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6705 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6706 6707 if (stcb) { 6708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6709 error = EINVAL; 6710 SCTP_TCB_UNLOCK(stcb); 6711 } else { 6712 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6713 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6714 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6715 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6716 if ((av->assoc_value != 0) && 6717 (inp->auth_supported == 0)) { 6718 /* 6719 * AUTH is required for 6720 * ASCONF 6721 */ 6722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6723 error = EINVAL; 6724 } else { 6725 SCTP_INP_WLOCK(inp); 6726 if (av->assoc_value == 0) { 6727 inp->asconf_supported = 0; 6728 sctp_auth_delete_chunk(SCTP_ASCONF, 6729 inp->sctp_ep.local_auth_chunks); 6730 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6731 inp->sctp_ep.local_auth_chunks); 6732 } else { 6733 inp->asconf_supported = 1; 6734 sctp_auth_add_chunk(SCTP_ASCONF, 6735 inp->sctp_ep.local_auth_chunks); 6736 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6737 inp->sctp_ep.local_auth_chunks); 6738 } 6739 SCTP_INP_WUNLOCK(inp); 6740 } 6741 } else { 6742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6743 error = EINVAL; 6744 } 6745 } 6746 break; 6747 } 6748 case SCTP_RECONFIG_SUPPORTED: 6749 { 6750 struct sctp_assoc_value *av; 6751 6752 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6753 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6754 6755 if (stcb) { 6756 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6757 error = EINVAL; 6758 SCTP_TCB_UNLOCK(stcb); 6759 } else { 6760 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6761 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6762 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6763 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6764 SCTP_INP_WLOCK(inp); 6765 if (av->assoc_value == 0) { 6766 inp->reconfig_supported = 0; 6767 } else { 6768 inp->reconfig_supported = 1; 6769 } 6770 SCTP_INP_WUNLOCK(inp); 6771 } else { 6772 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6773 error = EINVAL; 6774 } 6775 } 6776 break; 6777 } 6778 case SCTP_NRSACK_SUPPORTED: 6779 { 6780 struct sctp_assoc_value *av; 6781 6782 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6783 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6784 6785 if (stcb) { 6786 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6787 error = EINVAL; 6788 SCTP_TCB_UNLOCK(stcb); 6789 } else { 6790 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6791 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6792 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6793 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6794 SCTP_INP_WLOCK(inp); 6795 if (av->assoc_value == 0) { 6796 inp->nrsack_supported = 0; 6797 } else { 6798 inp->nrsack_supported = 1; 6799 } 6800 SCTP_INP_WUNLOCK(inp); 6801 } else { 6802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6803 error = EINVAL; 6804 } 6805 } 6806 break; 6807 } 6808 case SCTP_PKTDROP_SUPPORTED: 6809 { 6810 struct sctp_assoc_value *av; 6811 6812 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6813 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6814 6815 if (stcb) { 6816 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6817 error = EINVAL; 6818 SCTP_TCB_UNLOCK(stcb); 6819 } else { 6820 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6821 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6822 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6823 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6824 SCTP_INP_WLOCK(inp); 6825 if (av->assoc_value == 0) { 6826 inp->pktdrop_supported = 0; 6827 } else { 6828 inp->pktdrop_supported = 1; 6829 } 6830 SCTP_INP_WUNLOCK(inp); 6831 } else { 6832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6833 error = EINVAL; 6834 } 6835 } 6836 break; 6837 } 6838 case SCTP_MAX_CWND: 6839 { 6840 struct sctp_assoc_value *av; 6841 struct sctp_nets *net; 6842 6843 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6844 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6845 6846 if (stcb) { 6847 stcb->asoc.max_cwnd = av->assoc_value; 6848 if (stcb->asoc.max_cwnd > 0) { 6849 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6850 if ((net->cwnd > stcb->asoc.max_cwnd) && 6851 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6852 net->cwnd = stcb->asoc.max_cwnd; 6853 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6854 net->cwnd = net->mtu - sizeof(struct sctphdr); 6855 } 6856 } 6857 } 6858 } 6859 SCTP_TCB_UNLOCK(stcb); 6860 } else { 6861 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6862 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6863 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6864 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6865 SCTP_INP_WLOCK(inp); 6866 inp->max_cwnd = av->assoc_value; 6867 SCTP_INP_WUNLOCK(inp); 6868 } else { 6869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6870 error = EINVAL; 6871 } 6872 } 6873 break; 6874 } 6875 default: 6876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6877 error = ENOPROTOOPT; 6878 break; 6879 } /* end switch (opt) */ 6880 return (error); 6881 } 6882 6883 int 6884 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6885 { 6886 struct epoch_tracker et; 6887 struct sctp_inpcb *inp; 6888 void *optval = NULL; 6889 void *p; 6890 size_t optsize = 0; 6891 int error = 0; 6892 6893 if ((sopt->sopt_level == SOL_SOCKET) && 6894 (sopt->sopt_name == SO_SETFIB)) { 6895 inp = (struct sctp_inpcb *)so->so_pcb; 6896 if (inp == NULL) { 6897 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6898 return (EINVAL); 6899 } 6900 SCTP_INP_WLOCK(inp); 6901 inp->fibnum = so->so_fibnum; 6902 SCTP_INP_WUNLOCK(inp); 6903 return (0); 6904 } 6905 if (sopt->sopt_level != IPPROTO_SCTP) { 6906 /* wrong proto level... send back up to IP */ 6907 #ifdef INET6 6908 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6909 error = ip6_ctloutput(so, sopt); 6910 #endif /* INET6 */ 6911 #if defined(INET) && defined(INET6) 6912 else 6913 #endif 6914 #ifdef INET 6915 error = ip_ctloutput(so, sopt); 6916 #endif 6917 return (error); 6918 } 6919 optsize = sopt->sopt_valsize; 6920 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6921 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6922 return (ENOBUFS); 6923 } 6924 if (optsize) { 6925 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6926 if (optval == NULL) { 6927 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6928 return (ENOBUFS); 6929 } 6930 error = sooptcopyin(sopt, optval, optsize, optsize); 6931 if (error) { 6932 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6933 goto out; 6934 } 6935 } 6936 p = (void *)sopt->sopt_td; 6937 if (sopt->sopt_dir == SOPT_SET) { 6938 NET_EPOCH_ENTER(et); 6939 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6940 NET_EPOCH_EXIT(et); 6941 } else if (sopt->sopt_dir == SOPT_GET) { 6942 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6943 } else { 6944 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6945 error = EINVAL; 6946 } 6947 if ((error == 0) && (optval != NULL)) { 6948 error = sooptcopyout(sopt, optval, optsize); 6949 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6950 } else if (optval != NULL) { 6951 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6952 } 6953 out: 6954 return (error); 6955 } 6956 6957 #ifdef INET 6958 static int 6959 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6960 { 6961 struct epoch_tracker et; 6962 int error = 0; 6963 int create_lock_on = 0; 6964 uint32_t vrf_id; 6965 struct sctp_inpcb *inp; 6966 struct sctp_tcb *stcb = NULL; 6967 6968 inp = (struct sctp_inpcb *)so->so_pcb; 6969 if (inp == NULL) { 6970 /* I made the same as TCP since we are not setup? */ 6971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6972 return (ECONNRESET); 6973 } 6974 if (addr == NULL) { 6975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6976 return EINVAL; 6977 } 6978 6979 switch (addr->sa_family) { 6980 #ifdef INET6 6981 case AF_INET6: 6982 { 6983 struct sockaddr_in6 *sin6; 6984 6985 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6987 return (EINVAL); 6988 } 6989 sin6 = (struct sockaddr_in6 *)addr; 6990 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 6991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6992 return (error); 6993 } 6994 break; 6995 } 6996 #endif 6997 #ifdef INET 6998 case AF_INET: 6999 { 7000 struct sockaddr_in *sin; 7001 7002 if (addr->sa_len != sizeof(struct sockaddr_in)) { 7003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7004 return (EINVAL); 7005 } 7006 sin = (struct sockaddr_in *)addr; 7007 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 7008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7009 return (error); 7010 } 7011 break; 7012 } 7013 #endif 7014 default: 7015 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 7016 return (EAFNOSUPPORT); 7017 } 7018 SCTP_INP_INCR_REF(inp); 7019 SCTP_ASOC_CREATE_LOCK(inp); 7020 create_lock_on = 1; 7021 NET_EPOCH_ENTER(et); 7022 7023 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 7024 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 7025 /* Should I really unlock ? */ 7026 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 7027 error = EFAULT; 7028 goto out_now; 7029 } 7030 #ifdef INET6 7031 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 7032 (addr->sa_family == AF_INET6)) { 7033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7034 error = EINVAL; 7035 goto out_now; 7036 } 7037 #endif 7038 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 7039 SCTP_PCB_FLAGS_UNBOUND) { 7040 /* Bind a ephemeral port */ 7041 error = sctp_inpcb_bind(so, NULL, NULL, p); 7042 if (error) { 7043 goto out_now; 7044 } 7045 } 7046 /* Now do we connect? */ 7047 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7048 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7049 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7050 error = EINVAL; 7051 goto out_now; 7052 } 7053 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7054 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7055 /* We are already connected AND the TCP model */ 7056 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7057 error = EADDRINUSE; 7058 goto out_now; 7059 } 7060 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7061 SCTP_INP_RLOCK(inp); 7062 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7063 SCTP_INP_RUNLOCK(inp); 7064 } else { 7065 /* 7066 * We increment here since sctp_findassociation_ep_addr() 7067 * will do a decrement if it finds the stcb as long as the 7068 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7069 */ 7070 SCTP_INP_INCR_REF(inp); 7071 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7072 if (stcb == NULL) { 7073 SCTP_INP_DECR_REF(inp); 7074 } else { 7075 SCTP_TCB_UNLOCK(stcb); 7076 } 7077 } 7078 if (stcb != NULL) { 7079 /* Already have or am bring up an association */ 7080 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7081 error = EALREADY; 7082 goto out_now; 7083 } 7084 7085 vrf_id = inp->def_vrf_id; 7086 /* We are GOOD to go */ 7087 stcb = sctp_aloc_assoc(inp, addr, &error, 0, 0, vrf_id, 7088 inp->sctp_ep.pre_open_stream_count, 7089 inp->sctp_ep.port, p, 7090 SCTP_INITIALIZE_AUTH_PARAMS); 7091 if (stcb == NULL) { 7092 /* Gak! no memory */ 7093 goto out_now; 7094 } 7095 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7096 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7097 /* Set the connected flag so we can queue data */ 7098 soisconnecting(so); 7099 } 7100 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7101 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7102 7103 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7104 SCTP_TCB_UNLOCK(stcb); 7105 out_now: 7106 NET_EPOCH_EXIT(et); 7107 if (create_lock_on) { 7108 SCTP_ASOC_CREATE_UNLOCK(inp); 7109 } 7110 SCTP_INP_DECR_REF(inp); 7111 return (error); 7112 } 7113 #endif 7114 7115 int 7116 sctp_listen(struct socket *so, int backlog, struct thread *p) 7117 { 7118 /* 7119 * Note this module depends on the protocol processing being called 7120 * AFTER any socket level flags and backlog are applied to the 7121 * socket. The traditional way that the socket flags are applied is 7122 * AFTER protocol processing. We have made a change to the 7123 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7124 * place if the socket API for SCTP is to work properly. 7125 */ 7126 7127 int error = 0; 7128 struct sctp_inpcb *inp; 7129 7130 inp = (struct sctp_inpcb *)so->so_pcb; 7131 if (inp == NULL) { 7132 /* I made the same as TCP since we are not setup? */ 7133 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7134 return (ECONNRESET); 7135 } 7136 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7137 /* See if we have a listener */ 7138 struct sctp_inpcb *tinp; 7139 union sctp_sockstore store; 7140 7141 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7142 /* not bound all */ 7143 struct sctp_laddr *laddr; 7144 7145 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7146 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7147 switch (store.sa.sa_family) { 7148 #ifdef INET 7149 case AF_INET: 7150 store.sin.sin_port = inp->sctp_lport; 7151 break; 7152 #endif 7153 #ifdef INET6 7154 case AF_INET6: 7155 store.sin6.sin6_port = inp->sctp_lport; 7156 break; 7157 #endif 7158 default: 7159 break; 7160 } 7161 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7162 if (tinp && (tinp != inp) && 7163 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7164 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7165 (SCTP_IS_LISTENING(tinp))) { 7166 /* 7167 * we have a listener already and 7168 * its not this inp. 7169 */ 7170 SCTP_INP_DECR_REF(tinp); 7171 return (EADDRINUSE); 7172 } else if (tinp) { 7173 SCTP_INP_DECR_REF(tinp); 7174 } 7175 } 7176 } else { 7177 /* Setup a local addr bound all */ 7178 memset(&store, 0, sizeof(store)); 7179 #ifdef INET6 7180 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7181 store.sa.sa_family = AF_INET6; 7182 store.sa.sa_len = sizeof(struct sockaddr_in6); 7183 } 7184 #endif 7185 #ifdef INET 7186 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7187 store.sa.sa_family = AF_INET; 7188 store.sa.sa_len = sizeof(struct sockaddr_in); 7189 } 7190 #endif 7191 switch (store.sa.sa_family) { 7192 #ifdef INET 7193 case AF_INET: 7194 store.sin.sin_port = inp->sctp_lport; 7195 break; 7196 #endif 7197 #ifdef INET6 7198 case AF_INET6: 7199 store.sin6.sin6_port = inp->sctp_lport; 7200 break; 7201 #endif 7202 default: 7203 break; 7204 } 7205 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7206 if (tinp && (tinp != inp) && 7207 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7208 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7209 (SCTP_IS_LISTENING(tinp))) { 7210 /* 7211 * we have a listener already and its not 7212 * this inp. 7213 */ 7214 SCTP_INP_DECR_REF(tinp); 7215 return (EADDRINUSE); 7216 } else if (tinp) { 7217 SCTP_INP_DECR_REF(tinp); 7218 } 7219 } 7220 } 7221 SCTP_INP_RLOCK(inp); 7222 #ifdef SCTP_LOCK_LOGGING 7223 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7224 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7225 } 7226 #endif 7227 SOCK_LOCK(so); 7228 error = solisten_proto_check(so); 7229 SOCK_UNLOCK(so); 7230 if (error) { 7231 SCTP_INP_RUNLOCK(inp); 7232 return (error); 7233 } 7234 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7235 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7236 /* 7237 * The unlucky case - We are in the tcp pool with this guy. 7238 * - Someone else is in the main inp slot. - We must move 7239 * this guy (the listener) to the main slot - We must then 7240 * move the guy that was listener to the TCP Pool. 7241 */ 7242 if (sctp_swap_inpcb_for_listen(inp)) { 7243 SCTP_INP_RUNLOCK(inp); 7244 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7245 return (EADDRINUSE); 7246 } 7247 } 7248 7249 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7250 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7251 /* We are already connected AND the TCP model */ 7252 SCTP_INP_RUNLOCK(inp); 7253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7254 return (EADDRINUSE); 7255 } 7256 SCTP_INP_RUNLOCK(inp); 7257 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7258 /* We must do a bind. */ 7259 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7260 /* bind error, probably perm */ 7261 return (error); 7262 } 7263 } 7264 SCTP_INP_WLOCK(inp); 7265 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7266 SOCK_LOCK(so); 7267 solisten_proto(so, backlog); 7268 SOCK_UNLOCK(so); 7269 } 7270 if (backlog > 0) { 7271 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7272 } else { 7273 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7274 } 7275 SCTP_INP_WUNLOCK(inp); 7276 return (error); 7277 } 7278 7279 static int sctp_defered_wakeup_cnt = 0; 7280 7281 int 7282 sctp_accept(struct socket *so, struct sockaddr **addr) 7283 { 7284 struct sctp_tcb *stcb; 7285 struct sctp_inpcb *inp; 7286 union sctp_sockstore store; 7287 #ifdef INET6 7288 int error; 7289 #endif 7290 inp = (struct sctp_inpcb *)so->so_pcb; 7291 7292 if (inp == NULL) { 7293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7294 return (ECONNRESET); 7295 } 7296 SCTP_INP_WLOCK(inp); 7297 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7298 SCTP_INP_WUNLOCK(inp); 7299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7300 return (EOPNOTSUPP); 7301 } 7302 if (so->so_state & SS_ISDISCONNECTED) { 7303 SCTP_INP_WUNLOCK(inp); 7304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7305 return (ECONNABORTED); 7306 } 7307 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7308 if (stcb == NULL) { 7309 SCTP_INP_WUNLOCK(inp); 7310 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7311 return (ECONNRESET); 7312 } 7313 SCTP_TCB_LOCK(stcb); 7314 store = stcb->asoc.primary_destination->ro._l_addr; 7315 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7316 /* Wake any delayed sleep action */ 7317 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7318 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7319 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7320 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7321 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7322 if (sowriteable(inp->sctp_socket)) { 7323 sowwakeup_locked(inp->sctp_socket); 7324 } else { 7325 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7326 } 7327 } 7328 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7329 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7330 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7331 if (soreadable(inp->sctp_socket)) { 7332 sctp_defered_wakeup_cnt++; 7333 sorwakeup_locked(inp->sctp_socket); 7334 } else { 7335 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7336 } 7337 } 7338 } 7339 SCTP_INP_WUNLOCK(inp); 7340 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7341 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7342 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7343 } else { 7344 SCTP_TCB_UNLOCK(stcb); 7345 } 7346 switch (store.sa.sa_family) { 7347 #ifdef INET 7348 case AF_INET: 7349 { 7350 struct sockaddr_in *sin; 7351 7352 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7353 if (sin == NULL) 7354 return (ENOMEM); 7355 sin->sin_family = AF_INET; 7356 sin->sin_len = sizeof(*sin); 7357 sin->sin_port = store.sin.sin_port; 7358 sin->sin_addr = store.sin.sin_addr; 7359 *addr = (struct sockaddr *)sin; 7360 break; 7361 } 7362 #endif 7363 #ifdef INET6 7364 case AF_INET6: 7365 { 7366 struct sockaddr_in6 *sin6; 7367 7368 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7369 if (sin6 == NULL) 7370 return (ENOMEM); 7371 sin6->sin6_family = AF_INET6; 7372 sin6->sin6_len = sizeof(*sin6); 7373 sin6->sin6_port = store.sin6.sin6_port; 7374 sin6->sin6_addr = store.sin6.sin6_addr; 7375 if ((error = sa6_recoverscope(sin6)) != 0) { 7376 SCTP_FREE_SONAME(sin6); 7377 return (error); 7378 } 7379 *addr = (struct sockaddr *)sin6; 7380 break; 7381 } 7382 #endif 7383 default: 7384 /* TSNH */ 7385 break; 7386 } 7387 return (0); 7388 } 7389 7390 #ifdef INET 7391 int 7392 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7393 { 7394 struct sockaddr_in *sin; 7395 uint32_t vrf_id; 7396 struct sctp_inpcb *inp; 7397 struct sctp_ifa *sctp_ifa; 7398 7399 /* 7400 * Do the malloc first in case it blocks. 7401 */ 7402 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7403 if (sin == NULL) 7404 return (ENOMEM); 7405 sin->sin_family = AF_INET; 7406 sin->sin_len = sizeof(*sin); 7407 inp = (struct sctp_inpcb *)so->so_pcb; 7408 if (!inp) { 7409 SCTP_FREE_SONAME(sin); 7410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7411 return (ECONNRESET); 7412 } 7413 SCTP_INP_RLOCK(inp); 7414 sin->sin_port = inp->sctp_lport; 7415 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7416 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7417 struct sctp_tcb *stcb; 7418 struct sockaddr_in *sin_a; 7419 struct sctp_nets *net; 7420 int fnd; 7421 7422 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7423 if (stcb == NULL) { 7424 goto notConn; 7425 } 7426 fnd = 0; 7427 sin_a = NULL; 7428 SCTP_TCB_LOCK(stcb); 7429 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7430 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7431 if (sin_a == NULL) 7432 /* this will make coverity happy */ 7433 continue; 7434 7435 if (sin_a->sin_family == AF_INET) { 7436 fnd = 1; 7437 break; 7438 } 7439 } 7440 if ((!fnd) || (sin_a == NULL)) { 7441 /* punt */ 7442 SCTP_TCB_UNLOCK(stcb); 7443 goto notConn; 7444 } 7445 7446 vrf_id = inp->def_vrf_id; 7447 sctp_ifa = sctp_source_address_selection(inp, 7448 stcb, 7449 (sctp_route_t *)&net->ro, 7450 net, 0, vrf_id); 7451 if (sctp_ifa) { 7452 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7453 sctp_free_ifa(sctp_ifa); 7454 } 7455 SCTP_TCB_UNLOCK(stcb); 7456 } else { 7457 /* For the bound all case you get back 0 */ 7458 notConn: 7459 sin->sin_addr.s_addr = 0; 7460 } 7461 7462 } else { 7463 /* Take the first IPv4 address in the list */ 7464 struct sctp_laddr *laddr; 7465 int fnd = 0; 7466 7467 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7468 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7469 struct sockaddr_in *sin_a; 7470 7471 sin_a = &laddr->ifa->address.sin; 7472 sin->sin_addr = sin_a->sin_addr; 7473 fnd = 1; 7474 break; 7475 } 7476 } 7477 if (!fnd) { 7478 SCTP_FREE_SONAME(sin); 7479 SCTP_INP_RUNLOCK(inp); 7480 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7481 return (ENOENT); 7482 } 7483 } 7484 SCTP_INP_RUNLOCK(inp); 7485 (*addr) = (struct sockaddr *)sin; 7486 return (0); 7487 } 7488 7489 int 7490 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7491 { 7492 struct sockaddr_in *sin; 7493 int fnd; 7494 struct sockaddr_in *sin_a; 7495 struct sctp_inpcb *inp; 7496 struct sctp_tcb *stcb; 7497 struct sctp_nets *net; 7498 7499 /* Do the malloc first in case it blocks. */ 7500 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7501 if (sin == NULL) 7502 return (ENOMEM); 7503 sin->sin_family = AF_INET; 7504 sin->sin_len = sizeof(*sin); 7505 7506 inp = (struct sctp_inpcb *)so->so_pcb; 7507 if ((inp == NULL) || 7508 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7509 /* UDP type and listeners will drop out here */ 7510 SCTP_FREE_SONAME(sin); 7511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7512 return (ENOTCONN); 7513 } 7514 SCTP_INP_RLOCK(inp); 7515 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7516 if (stcb) { 7517 SCTP_TCB_LOCK(stcb); 7518 } 7519 SCTP_INP_RUNLOCK(inp); 7520 if (stcb == NULL) { 7521 SCTP_FREE_SONAME(sin); 7522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7523 return (ECONNRESET); 7524 } 7525 fnd = 0; 7526 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7527 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7528 if (sin_a->sin_family == AF_INET) { 7529 fnd = 1; 7530 sin->sin_port = stcb->rport; 7531 sin->sin_addr = sin_a->sin_addr; 7532 break; 7533 } 7534 } 7535 SCTP_TCB_UNLOCK(stcb); 7536 if (!fnd) { 7537 /* No IPv4 address */ 7538 SCTP_FREE_SONAME(sin); 7539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7540 return (ENOENT); 7541 } 7542 (*addr) = (struct sockaddr *)sin; 7543 return (0); 7544 } 7545 7546 struct pr_usrreqs sctp_usrreqs = { 7547 .pru_abort = sctp_abort, 7548 .pru_accept = sctp_accept, 7549 .pru_attach = sctp_attach, 7550 .pru_bind = sctp_bind, 7551 .pru_connect = sctp_connect, 7552 .pru_control = in_control, 7553 .pru_close = sctp_close, 7554 .pru_detach = sctp_close, 7555 .pru_sopoll = sopoll_generic, 7556 .pru_flush = sctp_flush, 7557 .pru_disconnect = sctp_disconnect, 7558 .pru_listen = sctp_listen, 7559 .pru_peeraddr = sctp_peeraddr, 7560 .pru_send = sctp_sendm, 7561 .pru_shutdown = sctp_shutdown, 7562 .pru_sockaddr = sctp_ingetaddr, 7563 .pru_sosend = sctp_sosend, 7564 .pru_soreceive = sctp_soreceive 7565 }; 7566 #endif 7567