sctp_usrreq.c revision 283705
1/*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: stable/10/sys/netinet/sctp_usrreq.c 283705 2015-05-29 11:43:51Z tuexen $"); 35 36#include <netinet/sctp_os.h> 37#include <sys/proc.h> 38#include <netinet/sctp_pcb.h> 39#include <netinet/sctp_header.h> 40#include <netinet/sctp_var.h> 41#ifdef INET6 42#include <netinet6/sctp6_var.h> 43#endif 44#include <netinet/sctp_sysctl.h> 45#include <netinet/sctp_output.h> 46#include <netinet/sctp_uio.h> 47#include <netinet/sctp_asconf.h> 48#include <netinet/sctputil.h> 49#include <netinet/sctp_indata.h> 50#include <netinet/sctp_timer.h> 51#include <netinet/sctp_auth.h> 52#include <netinet/sctp_bsd_addr.h> 53#include <netinet/udp.h> 54 55 56 57extern struct sctp_cc_functions sctp_cc_functions[]; 58extern struct sctp_ss_functions sctp_ss_functions[]; 59 60void 61sctp_init(void) 62{ 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 SCTP_BASE_VAR(first_time) = 0; 83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84 sctp_pcb_init(); 85#if defined(SCTP_PACKET_LOGGING) 86 SCTP_BASE_VAR(packet_log_writers) = 0; 87 SCTP_BASE_VAR(packet_log_end) = 0; 88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89#endif 90} 91 92void 93sctp_finish(void) 94{ 95 sctp_pcb_finish(); 96} 97 98 99 100void 101sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 102{ 103 struct sctp_tmit_chunk *chk; 104 uint16_t overhead; 105 106 /* Adjust that too */ 107 stcb->asoc.smallest_mtu = nxtsz; 108 /* now off to subtract IP_DF flag if needed */ 109 overhead = IP_HDR_SIZE; 110 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 111 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 112 } 113 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 114 if ((chk->send_size + overhead) > nxtsz) { 115 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 116 } 117 } 118 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 119 if ((chk->send_size + overhead) > nxtsz) { 120 /* 121 * For this guy we also mark for immediate resend 122 * since we sent to big of chunk 123 */ 124 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 125 if (chk->sent < SCTP_DATAGRAM_RESEND) { 126 sctp_flight_size_decrease(chk); 127 sctp_total_flight_decrease(stcb, chk); 128 } 129 if (chk->sent != SCTP_DATAGRAM_RESEND) { 130 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 131 } 132 chk->sent = SCTP_DATAGRAM_RESEND; 133 chk->rec.data.doing_fast_retransmit = 0; 134 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 135 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 136 chk->whoTo->flight_size, 137 chk->book_size, 138 (uintptr_t) chk->whoTo, 139 chk->rec.data.TSN_seq); 140 } 141 /* Clear any time so NO RTT is being done */ 142 chk->do_rtt = 0; 143 } 144 } 145} 146 147#ifdef INET 148static void 149sctp_notify_mbuf(struct sctp_inpcb *inp, 150 struct sctp_tcb *stcb, 151 struct sctp_nets *net, 152 struct ip *ip, 153 struct sctphdr *sh) 154{ 155 struct icmp *icmph; 156 int totsz, tmr_stopped = 0; 157 uint16_t nxtsz; 158 159 /* protection */ 160 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 161 (ip == NULL) || (sh == NULL)) { 162 if (stcb != NULL) { 163 SCTP_TCB_UNLOCK(stcb); 164 } 165 return; 166 } 167 /* First job is to verify the vtag matches what I would send */ 168 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 169 SCTP_TCB_UNLOCK(stcb); 170 return; 171 } 172 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 173 sizeof(struct ip))); 174 if (icmph->icmp_type != ICMP_UNREACH) { 175 /* We only care about unreachable */ 176 SCTP_TCB_UNLOCK(stcb); 177 return; 178 } 179 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 180 /* not a unreachable message due to frag. */ 181 SCTP_TCB_UNLOCK(stcb); 182 return; 183 } 184 totsz = ntohs(ip->ip_len); 185 186 nxtsz = ntohs(icmph->icmp_nextmtu); 187 if (nxtsz == 0) { 188 /* 189 * old type router that does not tell us what the next size 190 * mtu is. Rats we will have to guess (in a educated fashion 191 * of course) 192 */ 193 nxtsz = sctp_get_prev_mtu(totsz); 194 } 195 /* Stop any PMTU timer */ 196 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 197 tmr_stopped = 1; 198 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 199 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 200 } 201 /* Adjust destination size limit */ 202 if (net->mtu > nxtsz) { 203 net->mtu = nxtsz; 204 if (net->port) { 205 net->mtu -= sizeof(struct udphdr); 206 } 207 } 208 /* now what about the ep? */ 209 if (stcb->asoc.smallest_mtu > nxtsz) { 210 sctp_pathmtu_adjustment(stcb, nxtsz); 211 } 212 if (tmr_stopped) 213 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 214 215 SCTP_TCB_UNLOCK(stcb); 216} 217 218void 219sctp_notify(struct sctp_inpcb *inp, 220 struct ip *ip, 221 struct sctphdr *sh, 222 struct sockaddr *to, 223 struct sctp_tcb *stcb, 224 struct sctp_nets *net) 225{ 226#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 227 struct socket *so; 228 229#endif 230 struct icmp *icmph; 231 232 /* protection */ 233 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 234 (sh == NULL) || (to == NULL)) { 235 if (stcb) 236 SCTP_TCB_UNLOCK(stcb); 237 return; 238 } 239 /* First job is to verify the vtag matches what I would send */ 240 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 241 SCTP_TCB_UNLOCK(stcb); 242 return; 243 } 244 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 245 sizeof(struct ip))); 246 if (icmph->icmp_type != ICMP_UNREACH) { 247 /* We only care about unreachable */ 248 SCTP_TCB_UNLOCK(stcb); 249 return; 250 } 251 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 252 (icmph->icmp_code == ICMP_UNREACH_HOST) || 253 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 254 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 255 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 256 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 257 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 258 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 259 260 /* 261 * Hmm reachablity problems we must examine closely. If its 262 * not reachable, we may have lost a network. Or if there is 263 * NO protocol at the other end named SCTP. well we consider 264 * it a OOTB abort. 265 */ 266 if (net->dest_state & SCTP_ADDR_REACHABLE) { 267 /* Ok that destination is NOT reachable */ 268 net->dest_state &= ~SCTP_ADDR_REACHABLE; 269 net->dest_state &= ~SCTP_ADDR_PF; 270 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 271 stcb, 0, 272 (void *)net, SCTP_SO_NOT_LOCKED); 273 } 274 SCTP_TCB_UNLOCK(stcb); 275 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 276 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 277 /* 278 * Here the peer is either playing tricks on us, including 279 * an address that belongs to someone who does not support 280 * SCTP OR was a userland implementation that shutdown and 281 * now is dead. In either case treat it like a OOTB abort 282 * with no TCB 283 */ 284 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 285#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 286 so = SCTP_INP_SO(inp); 287 atomic_add_int(&stcb->asoc.refcnt, 1); 288 SCTP_TCB_UNLOCK(stcb); 289 SCTP_SOCKET_LOCK(so, 1); 290 SCTP_TCB_LOCK(stcb); 291 atomic_subtract_int(&stcb->asoc.refcnt, 1); 292#endif 293 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 294#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 295 SCTP_SOCKET_UNLOCK(so, 1); 296 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 297#endif 298 /* no need to unlock here, since the TCB is gone */ 299 } else { 300 SCTP_TCB_UNLOCK(stcb); 301 } 302} 303 304#endif 305 306#ifdef INET 307void 308sctp_ctlinput(cmd, sa, vip) 309 int cmd; 310 struct sockaddr *sa; 311 void *vip; 312{ 313 struct ip *ip = vip; 314 struct sctphdr *sh; 315 uint32_t vrf_id; 316 317 /* FIX, for non-bsd is this right? */ 318 vrf_id = SCTP_DEFAULT_VRFID; 319 if (sa->sa_family != AF_INET || 320 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 321 return; 322 } 323 if (PRC_IS_REDIRECT(cmd)) { 324 ip = 0; 325 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 326 return; 327 } 328 if (ip) { 329 struct sctp_inpcb *inp = NULL; 330 struct sctp_tcb *stcb = NULL; 331 struct sctp_nets *net = NULL; 332 struct sockaddr_in to, from; 333 334 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 335 bzero(&to, sizeof(to)); 336 bzero(&from, sizeof(from)); 337 from.sin_family = to.sin_family = AF_INET; 338 from.sin_len = to.sin_len = sizeof(to); 339 from.sin_port = sh->src_port; 340 from.sin_addr = ip->ip_src; 341 to.sin_port = sh->dest_port; 342 to.sin_addr = ip->ip_dst; 343 344 /* 345 * 'to' holds the dest of the packet that failed to be sent. 346 * 'from' holds our local endpoint address. Thus we reverse 347 * the to and the from in the lookup. 348 */ 349 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to, 350 (struct sockaddr *)&from, 351 &inp, &net, 1, vrf_id); 352 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 353 if (cmd != PRC_MSGSIZE) { 354 sctp_notify(inp, ip, sh, 355 (struct sockaddr *)&to, stcb, 356 net); 357 } else { 358 /* handle possible ICMP size messages */ 359 sctp_notify_mbuf(inp, stcb, net, ip, sh); 360 } 361 } else { 362 if ((stcb == NULL) && (inp != NULL)) { 363 /* reduce ref-count */ 364 SCTP_INP_WLOCK(inp); 365 SCTP_INP_DECR_REF(inp); 366 SCTP_INP_WUNLOCK(inp); 367 } 368 if (stcb) { 369 SCTP_TCB_UNLOCK(stcb); 370 } 371 } 372 } 373 return; 374} 375 376#endif 377 378static int 379sctp_getcred(SYSCTL_HANDLER_ARGS) 380{ 381 struct xucred xuc; 382 struct sockaddr_in addrs[2]; 383 struct sctp_inpcb *inp; 384 struct sctp_nets *net; 385 struct sctp_tcb *stcb; 386 int error; 387 uint32_t vrf_id; 388 389 /* FIX, for non-bsd is this right? */ 390 vrf_id = SCTP_DEFAULT_VRFID; 391 392 error = priv_check(req->td, PRIV_NETINET_GETCRED); 393 394 if (error) 395 return (error); 396 397 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 398 if (error) 399 return (error); 400 401 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 402 sintosa(&addrs[0]), 403 &inp, &net, 1, vrf_id); 404 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 405 if ((inp != NULL) && (stcb == NULL)) { 406 /* reduce ref-count */ 407 SCTP_INP_WLOCK(inp); 408 SCTP_INP_DECR_REF(inp); 409 goto cred_can_cont; 410 } 411 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 412 error = ENOENT; 413 goto out; 414 } 415 SCTP_TCB_UNLOCK(stcb); 416 /* 417 * We use the write lock here, only since in the error leg we need 418 * it. If we used RLOCK, then we would have to 419 * wlock/decr/unlock/rlock. Which in theory could create a hole. 420 * Better to use higher wlock. 421 */ 422 SCTP_INP_WLOCK(inp); 423cred_can_cont: 424 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 425 if (error) { 426 SCTP_INP_WUNLOCK(inp); 427 goto out; 428 } 429 cru2x(inp->sctp_socket->so_cred, &xuc); 430 SCTP_INP_WUNLOCK(inp); 431 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 432out: 433 return (error); 434} 435 436SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 437 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 438 439 440#ifdef INET 441static void 442sctp_abort(struct socket *so) 443{ 444 struct sctp_inpcb *inp; 445 uint32_t flags; 446 447 inp = (struct sctp_inpcb *)so->so_pcb; 448 if (inp == NULL) { 449 return; 450 } 451sctp_must_try_again: 452 flags = inp->sctp_flags; 453#ifdef SCTP_LOG_CLOSING 454 sctp_log_closing(inp, NULL, 17); 455#endif 456 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 457 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 458#ifdef SCTP_LOG_CLOSING 459 sctp_log_closing(inp, NULL, 16); 460#endif 461 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 462 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 463 SOCK_LOCK(so); 464 SCTP_SB_CLEAR(so->so_snd); 465 /* 466 * same for the rcv ones, they are only here for the 467 * accounting/select. 468 */ 469 SCTP_SB_CLEAR(so->so_rcv); 470 471 /* Now null out the reference, we are completely detached. */ 472 so->so_pcb = NULL; 473 SOCK_UNLOCK(so); 474 } else { 475 flags = inp->sctp_flags; 476 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 477 goto sctp_must_try_again; 478 } 479 } 480 return; 481} 482 483static int 484sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 485{ 486 struct sctp_inpcb *inp; 487 struct inpcb *ip_inp; 488 int error; 489 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 490 491#ifdef IPSEC 492 uint32_t flags; 493 494#endif 495 496 inp = (struct sctp_inpcb *)so->so_pcb; 497 if (inp != 0) { 498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 499 return (EINVAL); 500 } 501 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 502 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 503 if (error) { 504 return (error); 505 } 506 } 507 error = sctp_inpcb_alloc(so, vrf_id); 508 if (error) { 509 return (error); 510 } 511 inp = (struct sctp_inpcb *)so->so_pcb; 512 SCTP_INP_WLOCK(inp); 513 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 514 ip_inp = &inp->ip_inp.inp; 515 ip_inp->inp_vflag |= INP_IPV4; 516 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 517#ifdef IPSEC 518 error = ipsec_init_policy(so, &ip_inp->inp_sp); 519#ifdef SCTP_LOG_CLOSING 520 sctp_log_closing(inp, NULL, 17); 521#endif 522 if (error != 0) { 523try_again: 524 flags = inp->sctp_flags; 525 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 526 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 527#ifdef SCTP_LOG_CLOSING 528 sctp_log_closing(inp, NULL, 15); 529#endif 530 SCTP_INP_WUNLOCK(inp); 531 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 532 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 533 } else { 534 flags = inp->sctp_flags; 535 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 536 goto try_again; 537 } else { 538 SCTP_INP_WUNLOCK(inp); 539 } 540 } 541 return (error); 542 } 543#endif /* IPSEC */ 544 SCTP_INP_WUNLOCK(inp); 545 return (0); 546} 547 548static int 549sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 550{ 551 struct sctp_inpcb *inp; 552 553 inp = (struct sctp_inpcb *)so->so_pcb; 554 if (inp == NULL) { 555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 556 return (EINVAL); 557 } 558 if (addr != NULL) { 559 if ((addr->sa_family != AF_INET) || 560 (addr->sa_len != sizeof(struct sockaddr_in))) { 561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 562 return (EINVAL); 563 } 564 } 565 return (sctp_inpcb_bind(so, addr, NULL, p)); 566} 567 568#endif 569void 570sctp_close(struct socket *so) 571{ 572 struct sctp_inpcb *inp; 573 uint32_t flags; 574 575 inp = (struct sctp_inpcb *)so->so_pcb; 576 if (inp == NULL) 577 return; 578 579 /* 580 * Inform all the lower layer assoc that we are done. 581 */ 582sctp_must_try_again: 583 flags = inp->sctp_flags; 584#ifdef SCTP_LOG_CLOSING 585 sctp_log_closing(inp, NULL, 17); 586#endif 587 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 588 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 589 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 590 (so->so_rcv.sb_cc > 0)) { 591#ifdef SCTP_LOG_CLOSING 592 sctp_log_closing(inp, NULL, 13); 593#endif 594 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 595 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 596 } else { 597#ifdef SCTP_LOG_CLOSING 598 sctp_log_closing(inp, NULL, 14); 599#endif 600 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 601 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 602 } 603 /* 604 * The socket is now detached, no matter what the state of 605 * the SCTP association. 606 */ 607 SOCK_LOCK(so); 608 SCTP_SB_CLEAR(so->so_snd); 609 /* 610 * same for the rcv ones, they are only here for the 611 * accounting/select. 612 */ 613 SCTP_SB_CLEAR(so->so_rcv); 614 615 /* Now null out the reference, we are completely detached. */ 616 so->so_pcb = NULL; 617 SOCK_UNLOCK(so); 618 } else { 619 flags = inp->sctp_flags; 620 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 621 goto sctp_must_try_again; 622 } 623 } 624 return; 625} 626 627 628int 629sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 630 struct mbuf *control, struct thread *p); 631 632 633int 634sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 635 struct mbuf *control, struct thread *p) 636{ 637 struct sctp_inpcb *inp; 638 int error; 639 640 inp = (struct sctp_inpcb *)so->so_pcb; 641 if (inp == NULL) { 642 if (control) { 643 sctp_m_freem(control); 644 control = NULL; 645 } 646 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 647 sctp_m_freem(m); 648 return (EINVAL); 649 } 650 /* Got to have an to address if we are NOT a connected socket */ 651 if ((addr == NULL) && 652 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 653 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 654 goto connected_type; 655 } else if (addr == NULL) { 656 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 657 error = EDESTADDRREQ; 658 sctp_m_freem(m); 659 if (control) { 660 sctp_m_freem(control); 661 control = NULL; 662 } 663 return (error); 664 } 665#ifdef INET6 666 if (addr->sa_family != AF_INET) { 667 /* must be a v4 address! */ 668 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 669 sctp_m_freem(m); 670 if (control) { 671 sctp_m_freem(control); 672 control = NULL; 673 } 674 error = EDESTADDRREQ; 675 return (error); 676 } 677#endif /* INET6 */ 678connected_type: 679 /* now what about control */ 680 if (control) { 681 if (inp->control) { 682 SCTP_PRINTF("huh? control set?\n"); 683 sctp_m_freem(inp->control); 684 inp->control = NULL; 685 } 686 inp->control = control; 687 } 688 /* Place the data */ 689 if (inp->pkt) { 690 SCTP_BUF_NEXT(inp->pkt_last) = m; 691 inp->pkt_last = m; 692 } else { 693 inp->pkt_last = inp->pkt = m; 694 } 695 if ( 696 /* FreeBSD uses a flag passed */ 697 ((flags & PRUS_MORETOCOME) == 0) 698 ) { 699 /* 700 * note with the current version this code will only be used 701 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 702 * re-defining sosend to use the sctp_sosend. One can 703 * optionally switch back to this code (by changing back the 704 * definitions) but this is not advisable. This code is used 705 * by FreeBSD when sending a file with sendfile() though. 706 */ 707 int ret; 708 709 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 710 inp->pkt = NULL; 711 inp->control = NULL; 712 return (ret); 713 } else { 714 return (0); 715 } 716} 717 718int 719sctp_disconnect(struct socket *so) 720{ 721 struct sctp_inpcb *inp; 722 723 inp = (struct sctp_inpcb *)so->so_pcb; 724 if (inp == NULL) { 725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 726 return (ENOTCONN); 727 } 728 SCTP_INP_RLOCK(inp); 729 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 730 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 731 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 732 /* No connection */ 733 SCTP_INP_RUNLOCK(inp); 734 return (0); 735 } else { 736 struct sctp_association *asoc; 737 struct sctp_tcb *stcb; 738 739 stcb = LIST_FIRST(&inp->sctp_asoc_list); 740 if (stcb == NULL) { 741 SCTP_INP_RUNLOCK(inp); 742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 743 return (EINVAL); 744 } 745 SCTP_TCB_LOCK(stcb); 746 asoc = &stcb->asoc; 747 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 748 /* We are about to be freed, out of here */ 749 SCTP_TCB_UNLOCK(stcb); 750 SCTP_INP_RUNLOCK(inp); 751 return (0); 752 } 753 if (((so->so_options & SO_LINGER) && 754 (so->so_linger == 0)) || 755 (so->so_rcv.sb_cc > 0)) { 756 if (SCTP_GET_STATE(asoc) != 757 SCTP_STATE_COOKIE_WAIT) { 758 /* Left with Data unread */ 759 struct mbuf *err; 760 761 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 762 if (err) { 763 /* 764 * Fill in the user 765 * initiated abort 766 */ 767 struct sctp_paramhdr *ph; 768 769 ph = mtod(err, struct sctp_paramhdr *); 770 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 771 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 772 ph->param_length = htons(SCTP_BUF_LEN(err)); 773 } 774 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 775 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 776 } 777 SCTP_INP_RUNLOCK(inp); 778 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 779 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 780 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 781 } 782 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 783 /* No unlock tcb assoc is gone */ 784 return (0); 785 } 786 if (TAILQ_EMPTY(&asoc->send_queue) && 787 TAILQ_EMPTY(&asoc->sent_queue) && 788 (asoc->stream_queue_cnt == 0)) { 789 /* there is nothing queued to send, so done */ 790 if (asoc->locked_on_sending) { 791 goto abort_anyway; 792 } 793 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 794 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 795 /* only send SHUTDOWN 1st time thru */ 796 struct sctp_nets *netp; 797 798 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 799 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 800 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 801 } 802 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 803 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 804 sctp_stop_timers_for_shutdown(stcb); 805 if (stcb->asoc.alternate) { 806 netp = stcb->asoc.alternate; 807 } else { 808 netp = stcb->asoc.primary_destination; 809 } 810 sctp_send_shutdown(stcb, netp); 811 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 812 stcb->sctp_ep, stcb, netp); 813 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 814 stcb->sctp_ep, stcb, netp); 815 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 816 } 817 } else { 818 /* 819 * we still got (or just got) data to send, 820 * so set SHUTDOWN_PENDING 821 */ 822 /* 823 * XXX sockets draft says that SCTP_EOF 824 * should be sent with no data. currently, 825 * we will allow user data to be sent first 826 * and move to SHUTDOWN-PENDING 827 */ 828 struct sctp_nets *netp; 829 830 if (stcb->asoc.alternate) { 831 netp = stcb->asoc.alternate; 832 } else { 833 netp = stcb->asoc.primary_destination; 834 } 835 836 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 837 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 838 netp); 839 if (asoc->locked_on_sending) { 840 /* Locked to send out the data */ 841 struct sctp_stream_queue_pending *sp; 842 843 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 844 if (sp == NULL) { 845 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 846 asoc->locked_on_sending->stream_no); 847 } else { 848 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 849 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 850 } 851 } 852 if (TAILQ_EMPTY(&asoc->send_queue) && 853 TAILQ_EMPTY(&asoc->sent_queue) && 854 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 855 struct mbuf *op_err; 856 857 abort_anyway: 858 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 859 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 860 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 861 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 862 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 863 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 864 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 865 } 866 SCTP_INP_RUNLOCK(inp); 867 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 868 return (0); 869 } else { 870 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 871 } 872 } 873 soisdisconnecting(so); 874 SCTP_TCB_UNLOCK(stcb); 875 SCTP_INP_RUNLOCK(inp); 876 return (0); 877 } 878 /* not reached */ 879 } else { 880 /* UDP model does not support this */ 881 SCTP_INP_RUNLOCK(inp); 882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 883 return (EOPNOTSUPP); 884 } 885} 886 887int 888sctp_flush(struct socket *so, int how) 889{ 890 /* 891 * We will just clear out the values and let subsequent close clear 892 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 893 * they will not be able to read the data, the socket will block 894 * that from happening. 895 */ 896 struct sctp_inpcb *inp; 897 898 inp = (struct sctp_inpcb *)so->so_pcb; 899 if (inp == NULL) { 900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 901 return (EINVAL); 902 } 903 SCTP_INP_RLOCK(inp); 904 /* For the 1 to many model this does nothing */ 905 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 906 SCTP_INP_RUNLOCK(inp); 907 return (0); 908 } 909 SCTP_INP_RUNLOCK(inp); 910 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 911 /* 912 * First make sure the sb will be happy, we don't use these 913 * except maybe the count 914 */ 915 SCTP_INP_WLOCK(inp); 916 SCTP_INP_READ_LOCK(inp); 917 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 918 SCTP_INP_READ_UNLOCK(inp); 919 SCTP_INP_WUNLOCK(inp); 920 so->so_rcv.sb_cc = 0; 921 so->so_rcv.sb_mbcnt = 0; 922 so->so_rcv.sb_mb = NULL; 923 } 924 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 925 /* 926 * First make sure the sb will be happy, we don't use these 927 * except maybe the count 928 */ 929 so->so_snd.sb_cc = 0; 930 so->so_snd.sb_mbcnt = 0; 931 so->so_snd.sb_mb = NULL; 932 933 } 934 return (0); 935} 936 937int 938sctp_shutdown(struct socket *so) 939{ 940 struct sctp_inpcb *inp; 941 942 inp = (struct sctp_inpcb *)so->so_pcb; 943 if (inp == NULL) { 944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 945 return (EINVAL); 946 } 947 SCTP_INP_RLOCK(inp); 948 /* For UDP model this is a invalid call */ 949 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 950 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 951 /* Restore the flags that the soshutdown took away. */ 952 SOCKBUF_LOCK(&so->so_rcv); 953 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 954 SOCKBUF_UNLOCK(&so->so_rcv); 955 /* This proc will wakeup for read and do nothing (I hope) */ 956 SCTP_INP_RUNLOCK(inp); 957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 958 return (EOPNOTSUPP); 959 } 960 /* 961 * Ok if we reach here its the TCP model and it is either a SHUT_WR 962 * or SHUT_RDWR. This means we put the shutdown flag against it. 963 */ 964 { 965 struct sctp_tcb *stcb; 966 struct sctp_association *asoc; 967 968 if ((so->so_state & 969 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 970 SCTP_INP_RUNLOCK(inp); 971 return (ENOTCONN); 972 } 973 socantsendmore(so); 974 975 stcb = LIST_FIRST(&inp->sctp_asoc_list); 976 if (stcb == NULL) { 977 /* 978 * Ok we hit the case that the shutdown call was 979 * made after an abort or something. Nothing to do 980 * now. 981 */ 982 SCTP_INP_RUNLOCK(inp); 983 return (0); 984 } 985 SCTP_TCB_LOCK(stcb); 986 asoc = &stcb->asoc; 987 if (TAILQ_EMPTY(&asoc->send_queue) && 988 TAILQ_EMPTY(&asoc->sent_queue) && 989 (asoc->stream_queue_cnt == 0)) { 990 if (asoc->locked_on_sending) { 991 goto abort_anyway; 992 } 993 /* there is nothing queued to send, so I'm done... */ 994 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 995 /* only send SHUTDOWN the first time through */ 996 struct sctp_nets *netp; 997 998 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 999 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1000 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1001 } 1002 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1003 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1004 sctp_stop_timers_for_shutdown(stcb); 1005 if (stcb->asoc.alternate) { 1006 netp = stcb->asoc.alternate; 1007 } else { 1008 netp = stcb->asoc.primary_destination; 1009 } 1010 sctp_send_shutdown(stcb, netp); 1011 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1012 stcb->sctp_ep, stcb, netp); 1013 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1014 stcb->sctp_ep, stcb, netp); 1015 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1016 } 1017 } else { 1018 /* 1019 * we still got (or just got) data to send, so set 1020 * SHUTDOWN_PENDING 1021 */ 1022 struct sctp_nets *netp; 1023 1024 if (stcb->asoc.alternate) { 1025 netp = stcb->asoc.alternate; 1026 } else { 1027 netp = stcb->asoc.primary_destination; 1028 } 1029 1030 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1031 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1032 netp); 1033 1034 if (asoc->locked_on_sending) { 1035 /* Locked to send out the data */ 1036 struct sctp_stream_queue_pending *sp; 1037 1038 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1039 if (sp == NULL) { 1040 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1041 asoc->locked_on_sending->stream_no); 1042 } else { 1043 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1044 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1045 } 1046 } 1047 } 1048 if (TAILQ_EMPTY(&asoc->send_queue) && 1049 TAILQ_EMPTY(&asoc->sent_queue) && 1050 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1051 struct mbuf *op_err; 1052 1053 abort_anyway: 1054 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 1055 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1056 sctp_abort_an_association(stcb->sctp_ep, stcb, 1057 op_err, SCTP_SO_LOCKED); 1058 goto skip_unlock; 1059 } else { 1060 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1061 } 1062 } 1063 SCTP_TCB_UNLOCK(stcb); 1064 } 1065skip_unlock: 1066 SCTP_INP_RUNLOCK(inp); 1067 return (0); 1068} 1069 1070/* 1071 * copies a "user" presentable address and removes embedded scope, etc. 1072 * returns 0 on success, 1 on error 1073 */ 1074static uint32_t 1075sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1076{ 1077#ifdef INET6 1078 struct sockaddr_in6 lsa6; 1079 1080 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1081 &lsa6); 1082#endif 1083 memcpy(ss, sa, sa->sa_len); 1084 return (0); 1085} 1086 1087 1088 1089/* 1090 * NOTE: assumes addr lock is held 1091 */ 1092static size_t 1093sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1094 struct sctp_tcb *stcb, 1095 size_t limit, 1096 struct sockaddr_storage *sas, 1097 uint32_t vrf_id) 1098{ 1099 struct sctp_ifn *sctp_ifn; 1100 struct sctp_ifa *sctp_ifa; 1101 size_t actual; 1102 int loopback_scope; 1103 1104#if defined(INET) 1105 int ipv4_local_scope, ipv4_addr_legal; 1106 1107#endif 1108#if defined(INET6) 1109 int local_scope, site_scope, ipv6_addr_legal; 1110 1111#endif 1112 struct sctp_vrf *vrf; 1113 1114 actual = 0; 1115 if (limit <= 0) 1116 return (actual); 1117 1118 if (stcb) { 1119 /* Turn on all the appropriate scope */ 1120 loopback_scope = stcb->asoc.scope.loopback_scope; 1121#if defined(INET) 1122 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1123 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1124#endif 1125#if defined(INET6) 1126 local_scope = stcb->asoc.scope.local_scope; 1127 site_scope = stcb->asoc.scope.site_scope; 1128 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1129#endif 1130 } else { 1131 /* Use generic values for endpoints. */ 1132 loopback_scope = 1; 1133#if defined(INET) 1134 ipv4_local_scope = 1; 1135#endif 1136#if defined(INET6) 1137 local_scope = 1; 1138 site_scope = 1; 1139#endif 1140 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1141#if defined(INET6) 1142 ipv6_addr_legal = 1; 1143#endif 1144#if defined(INET) 1145 if (SCTP_IPV6_V6ONLY(inp)) { 1146 ipv4_addr_legal = 0; 1147 } else { 1148 ipv4_addr_legal = 1; 1149 } 1150#endif 1151 } else { 1152#if defined(INET6) 1153 ipv6_addr_legal = 0; 1154#endif 1155#if defined(INET) 1156 ipv4_addr_legal = 1; 1157#endif 1158 } 1159 } 1160 vrf = sctp_find_vrf(vrf_id); 1161 if (vrf == NULL) { 1162 return (0); 1163 } 1164 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1165 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1166 if ((loopback_scope == 0) && 1167 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1168 /* Skip loopback if loopback_scope not set */ 1169 continue; 1170 } 1171 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1172 if (stcb) { 1173 /* 1174 * For the BOUND-ALL case, the list 1175 * associated with a TCB is Always 1176 * considered a reverse list.. i.e. 1177 * it lists addresses that are NOT 1178 * part of the association. If this 1179 * is one of those we must skip it. 1180 */ 1181 if (sctp_is_addr_restricted(stcb, 1182 sctp_ifa)) { 1183 continue; 1184 } 1185 } 1186 switch (sctp_ifa->address.sa.sa_family) { 1187#ifdef INET 1188 case AF_INET: 1189 if (ipv4_addr_legal) { 1190 struct sockaddr_in *sin; 1191 1192 sin = &sctp_ifa->address.sin; 1193 if (sin->sin_addr.s_addr == 0) { 1194 /* 1195 * we skip 1196 * unspecifed 1197 * addresses 1198 */ 1199 continue; 1200 } 1201 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1202 &sin->sin_addr) != 0) { 1203 continue; 1204 } 1205 if ((ipv4_local_scope == 0) && 1206 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1207 continue; 1208 } 1209#ifdef INET6 1210 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1211 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1212 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1213 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1214 actual += sizeof(struct sockaddr_in6); 1215 } else { 1216#endif 1217 memcpy(sas, sin, sizeof(*sin)); 1218 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1219 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1220 actual += sizeof(*sin); 1221#ifdef INET6 1222 } 1223#endif 1224 if (actual >= limit) { 1225 return (actual); 1226 } 1227 } else { 1228 continue; 1229 } 1230 break; 1231#endif 1232#ifdef INET6 1233 case AF_INET6: 1234 if (ipv6_addr_legal) { 1235 struct sockaddr_in6 *sin6; 1236 1237 sin6 = &sctp_ifa->address.sin6; 1238 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1239 /* 1240 * we skip 1241 * unspecifed 1242 * addresses 1243 */ 1244 continue; 1245 } 1246 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1247 &sin6->sin6_addr) != 0) { 1248 continue; 1249 } 1250 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1251 if (local_scope == 0) 1252 continue; 1253 if (sin6->sin6_scope_id == 0) { 1254 if (sa6_recoverscope(sin6) != 0) 1255 /* 1256 * 1257 * bad 1258 * 1259 * li 1260 * nk 1261 * 1262 * loc 1263 * al 1264 * 1265 * add 1266 * re 1267 * ss 1268 * */ 1269 continue; 1270 } 1271 } 1272 if ((site_scope == 0) && 1273 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1274 continue; 1275 } 1276 memcpy(sas, sin6, sizeof(*sin6)); 1277 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1278 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1279 actual += sizeof(*sin6); 1280 if (actual >= limit) { 1281 return (actual); 1282 } 1283 } else { 1284 continue; 1285 } 1286 break; 1287#endif 1288 default: 1289 /* TSNH */ 1290 break; 1291 } 1292 } 1293 } 1294 } else { 1295 struct sctp_laddr *laddr; 1296 1297 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1298 if (stcb) { 1299 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1300 continue; 1301 } 1302 } 1303 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1304 continue; 1305 switch (laddr->ifa->address.sa.sa_family) { 1306#ifdef INET 1307 case AF_INET: 1308 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1309 break; 1310#endif 1311#ifdef INET6 1312 case AF_INET6: 1313 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1314 break; 1315#endif 1316 default: 1317 /* TSNH */ 1318 break; 1319 } 1320 sas = (struct sockaddr_storage *)((caddr_t)sas + 1321 laddr->ifa->address.sa.sa_len); 1322 actual += laddr->ifa->address.sa.sa_len; 1323 if (actual >= limit) { 1324 return (actual); 1325 } 1326 } 1327 } 1328 return (actual); 1329} 1330 1331static size_t 1332sctp_fill_up_addresses(struct sctp_inpcb *inp, 1333 struct sctp_tcb *stcb, 1334 size_t limit, 1335 struct sockaddr_storage *sas) 1336{ 1337 size_t size = 0; 1338 1339 SCTP_IPI_ADDR_RLOCK(); 1340 /* fill up addresses for the endpoint's default vrf */ 1341 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1342 inp->def_vrf_id); 1343 SCTP_IPI_ADDR_RUNLOCK(); 1344 return (size); 1345} 1346 1347/* 1348 * NOTE: assumes addr lock is held 1349 */ 1350static int 1351sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1352{ 1353 int cnt = 0; 1354 struct sctp_vrf *vrf = NULL; 1355 1356 /* 1357 * In both sub-set bound an bound_all cases we return the MAXIMUM 1358 * number of addresses that you COULD get. In reality the sub-set 1359 * bound may have an exclusion list for a given TCB OR in the 1360 * bound-all case a TCB may NOT include the loopback or other 1361 * addresses as well. 1362 */ 1363 vrf = sctp_find_vrf(vrf_id); 1364 if (vrf == NULL) { 1365 return (0); 1366 } 1367 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1368 struct sctp_ifn *sctp_ifn; 1369 struct sctp_ifa *sctp_ifa; 1370 1371 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1372 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1373 /* Count them if they are the right type */ 1374 switch (sctp_ifa->address.sa.sa_family) { 1375#ifdef INET 1376 case AF_INET: 1377#ifdef INET6 1378 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1379 cnt += sizeof(struct sockaddr_in6); 1380 else 1381 cnt += sizeof(struct sockaddr_in); 1382#else 1383 cnt += sizeof(struct sockaddr_in); 1384#endif 1385 break; 1386#endif 1387#ifdef INET6 1388 case AF_INET6: 1389 cnt += sizeof(struct sockaddr_in6); 1390 break; 1391#endif 1392 default: 1393 break; 1394 } 1395 } 1396 } 1397 } else { 1398 struct sctp_laddr *laddr; 1399 1400 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1401 switch (laddr->ifa->address.sa.sa_family) { 1402#ifdef INET 1403 case AF_INET: 1404#ifdef INET6 1405 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1406 cnt += sizeof(struct sockaddr_in6); 1407 else 1408 cnt += sizeof(struct sockaddr_in); 1409#else 1410 cnt += sizeof(struct sockaddr_in); 1411#endif 1412 break; 1413#endif 1414#ifdef INET6 1415 case AF_INET6: 1416 cnt += sizeof(struct sockaddr_in6); 1417 break; 1418#endif 1419 default: 1420 break; 1421 } 1422 } 1423 } 1424 return (cnt); 1425} 1426 1427static int 1428sctp_count_max_addresses(struct sctp_inpcb *inp) 1429{ 1430 int cnt = 0; 1431 1432 SCTP_IPI_ADDR_RLOCK(); 1433 /* count addresses for the endpoint's default VRF */ 1434 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1435 SCTP_IPI_ADDR_RUNLOCK(); 1436 return (cnt); 1437} 1438 1439static int 1440sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1441 size_t optsize, void *p, int delay) 1442{ 1443 int error = 0; 1444 int creat_lock_on = 0; 1445 struct sctp_tcb *stcb = NULL; 1446 struct sockaddr *sa; 1447 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1448 uint32_t vrf_id; 1449 int bad_addresses = 0; 1450 sctp_assoc_t *a_id; 1451 1452 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1453 1454 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1455 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1456 /* We are already connected AND the TCP model */ 1457 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1458 return (EADDRINUSE); 1459 } 1460 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1461 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1462 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1463 return (EINVAL); 1464 } 1465 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1466 SCTP_INP_RLOCK(inp); 1467 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1468 SCTP_INP_RUNLOCK(inp); 1469 } 1470 if (stcb) { 1471 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1472 return (EALREADY); 1473 } 1474 SCTP_INP_INCR_REF(inp); 1475 SCTP_ASOC_CREATE_LOCK(inp); 1476 creat_lock_on = 1; 1477 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1478 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1479 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1480 error = EFAULT; 1481 goto out_now; 1482 } 1483 totaddrp = (int *)optval; 1484 totaddr = *totaddrp; 1485 sa = (struct sockaddr *)(totaddrp + 1); 1486 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1487 if ((stcb != NULL) || bad_addresses) { 1488 /* Already have or am bring up an association */ 1489 SCTP_ASOC_CREATE_UNLOCK(inp); 1490 creat_lock_on = 0; 1491 if (stcb) 1492 SCTP_TCB_UNLOCK(stcb); 1493 if (bad_addresses == 0) { 1494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1495 error = EALREADY; 1496 } 1497 goto out_now; 1498 } 1499#ifdef INET6 1500 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1501 (num_v6 > 0)) { 1502 error = EINVAL; 1503 goto out_now; 1504 } 1505 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1506 (num_v4 > 0)) { 1507 struct in6pcb *inp6; 1508 1509 inp6 = (struct in6pcb *)inp; 1510 if (SCTP_IPV6_V6ONLY(inp6)) { 1511 /* 1512 * if IPV6_V6ONLY flag, ignore connections destined 1513 * to a v4 addr or v4-mapped addr 1514 */ 1515 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1516 error = EINVAL; 1517 goto out_now; 1518 } 1519 } 1520#endif /* INET6 */ 1521 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1522 SCTP_PCB_FLAGS_UNBOUND) { 1523 /* Bind a ephemeral port */ 1524 error = sctp_inpcb_bind(so, NULL, NULL, p); 1525 if (error) { 1526 goto out_now; 1527 } 1528 } 1529 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1530 vrf_id = inp->def_vrf_id; 1531 1532 1533 /* We are GOOD to go */ 1534 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1535 (struct thread *)p 1536 ); 1537 if (stcb == NULL) { 1538 /* Gak! no memory */ 1539 goto out_now; 1540 } 1541 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1542 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1543 /* Set the connected flag so we can queue data */ 1544 soisconnecting(so); 1545 } 1546 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1547 /* move to second address */ 1548 switch (sa->sa_family) { 1549#ifdef INET 1550 case AF_INET: 1551 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1552 break; 1553#endif 1554#ifdef INET6 1555 case AF_INET6: 1556 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1557 break; 1558#endif 1559 default: 1560 break; 1561 } 1562 1563 error = 0; 1564 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1565 /* Fill in the return id */ 1566 if (error) { 1567 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1568 goto out_now; 1569 } 1570 a_id = (sctp_assoc_t *) optval; 1571 *a_id = sctp_get_associd(stcb); 1572 1573 /* initialize authentication parameters for the assoc */ 1574 sctp_initialize_auth_params(inp, stcb); 1575 1576 if (delay) { 1577 /* doing delayed connection */ 1578 stcb->asoc.delayed_connection = 1; 1579 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1580 } else { 1581 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1582 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1583 } 1584 SCTP_TCB_UNLOCK(stcb); 1585 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1586 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1587 /* Set the connected flag so we can queue data */ 1588 soisconnecting(so); 1589 } 1590out_now: 1591 if (creat_lock_on) { 1592 SCTP_ASOC_CREATE_UNLOCK(inp); 1593 } 1594 SCTP_INP_DECR_REF(inp); 1595 return (error); 1596} 1597 1598#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1599 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1600 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1601 SCTP_INP_RLOCK(inp); \ 1602 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1603 if (stcb) { \ 1604 SCTP_TCB_LOCK(stcb); \ 1605 } \ 1606 SCTP_INP_RUNLOCK(inp); \ 1607 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1608 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1609 if (stcb == NULL) { \ 1610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1611 error = ENOENT; \ 1612 break; \ 1613 } \ 1614 } else { \ 1615 stcb = NULL; \ 1616 } \ 1617 } 1618 1619 1620#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1621 if (size < sizeof(type)) { \ 1622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1623 error = EINVAL; \ 1624 break; \ 1625 } else { \ 1626 destp = (type *)srcp; \ 1627 } \ 1628 } 1629 1630static int 1631sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1632 void *p) 1633{ 1634 struct sctp_inpcb *inp = NULL; 1635 int error, val = 0; 1636 struct sctp_tcb *stcb = NULL; 1637 1638 if (optval == NULL) { 1639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1640 return (EINVAL); 1641 } 1642 inp = (struct sctp_inpcb *)so->so_pcb; 1643 if (inp == NULL) { 1644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1645 return EINVAL; 1646 } 1647 error = 0; 1648 1649 switch (optname) { 1650 case SCTP_NODELAY: 1651 case SCTP_AUTOCLOSE: 1652 case SCTP_EXPLICIT_EOR: 1653 case SCTP_AUTO_ASCONF: 1654 case SCTP_DISABLE_FRAGMENTS: 1655 case SCTP_I_WANT_MAPPED_V4_ADDR: 1656 case SCTP_USE_EXT_RCVINFO: 1657 SCTP_INP_RLOCK(inp); 1658 switch (optname) { 1659 case SCTP_DISABLE_FRAGMENTS: 1660 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1661 break; 1662 case SCTP_I_WANT_MAPPED_V4_ADDR: 1663 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1664 break; 1665 case SCTP_AUTO_ASCONF: 1666 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1667 /* only valid for bound all sockets */ 1668 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1669 } else { 1670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1671 error = EINVAL; 1672 goto flags_out; 1673 } 1674 break; 1675 case SCTP_EXPLICIT_EOR: 1676 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1677 break; 1678 case SCTP_NODELAY: 1679 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1680 break; 1681 case SCTP_USE_EXT_RCVINFO: 1682 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1683 break; 1684 case SCTP_AUTOCLOSE: 1685 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1686 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1687 else 1688 val = 0; 1689 break; 1690 1691 default: 1692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1693 error = ENOPROTOOPT; 1694 } /* end switch (sopt->sopt_name) */ 1695 if (*optsize < sizeof(val)) { 1696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1697 error = EINVAL; 1698 } 1699flags_out: 1700 SCTP_INP_RUNLOCK(inp); 1701 if (error == 0) { 1702 /* return the option value */ 1703 *(int *)optval = val; 1704 *optsize = sizeof(val); 1705 } 1706 break; 1707 case SCTP_GET_PACKET_LOG: 1708 { 1709#ifdef SCTP_PACKET_LOGGING 1710 uint8_t *target; 1711 int ret; 1712 1713 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1714 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1715 *optsize = ret; 1716#else 1717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1718 error = EOPNOTSUPP; 1719#endif 1720 break; 1721 } 1722 case SCTP_REUSE_PORT: 1723 { 1724 uint32_t *value; 1725 1726 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1727 /* Can't do this for a 1-m socket */ 1728 error = EINVAL; 1729 break; 1730 } 1731 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1732 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1733 *optsize = sizeof(uint32_t); 1734 break; 1735 } 1736 case SCTP_PARTIAL_DELIVERY_POINT: 1737 { 1738 uint32_t *value; 1739 1740 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1741 *value = inp->partial_delivery_point; 1742 *optsize = sizeof(uint32_t); 1743 break; 1744 } 1745 case SCTP_FRAGMENT_INTERLEAVE: 1746 { 1747 uint32_t *value; 1748 1749 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1750 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1751 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1752 *value = SCTP_FRAG_LEVEL_2; 1753 } else { 1754 *value = SCTP_FRAG_LEVEL_1; 1755 } 1756 } else { 1757 *value = SCTP_FRAG_LEVEL_0; 1758 } 1759 *optsize = sizeof(uint32_t); 1760 break; 1761 } 1762 case SCTP_CMT_ON_OFF: 1763 { 1764 struct sctp_assoc_value *av; 1765 1766 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1767 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1768 if (stcb) { 1769 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1770 SCTP_TCB_UNLOCK(stcb); 1771 } else { 1772 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1773 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1774 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1775 SCTP_INP_RLOCK(inp); 1776 av->assoc_value = inp->sctp_cmt_on_off; 1777 SCTP_INP_RUNLOCK(inp); 1778 } else { 1779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1780 error = EINVAL; 1781 } 1782 } 1783 if (error == 0) { 1784 *optsize = sizeof(struct sctp_assoc_value); 1785 } 1786 break; 1787 } 1788 case SCTP_PLUGGABLE_CC: 1789 { 1790 struct sctp_assoc_value *av; 1791 1792 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1793 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1794 if (stcb) { 1795 av->assoc_value = stcb->asoc.congestion_control_module; 1796 SCTP_TCB_UNLOCK(stcb); 1797 } else { 1798 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1799 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1800 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1801 SCTP_INP_RLOCK(inp); 1802 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1803 SCTP_INP_RUNLOCK(inp); 1804 } else { 1805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1806 error = EINVAL; 1807 } 1808 } 1809 if (error == 0) { 1810 *optsize = sizeof(struct sctp_assoc_value); 1811 } 1812 break; 1813 } 1814 case SCTP_CC_OPTION: 1815 { 1816 struct sctp_cc_option *cc_opt; 1817 1818 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1819 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1820 if (stcb == NULL) { 1821 error = EINVAL; 1822 } else { 1823 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1824 error = ENOTSUP; 1825 } else { 1826 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1827 *optsize = sizeof(struct sctp_cc_option); 1828 } 1829 SCTP_TCB_UNLOCK(stcb); 1830 } 1831 break; 1832 } 1833 case SCTP_PLUGGABLE_SS: 1834 { 1835 struct sctp_assoc_value *av; 1836 1837 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1838 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1839 if (stcb) { 1840 av->assoc_value = stcb->asoc.stream_scheduling_module; 1841 SCTP_TCB_UNLOCK(stcb); 1842 } else { 1843 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1844 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1845 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1846 SCTP_INP_RLOCK(inp); 1847 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1848 SCTP_INP_RUNLOCK(inp); 1849 } else { 1850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1851 error = EINVAL; 1852 } 1853 } 1854 if (error == 0) { 1855 *optsize = sizeof(struct sctp_assoc_value); 1856 } 1857 break; 1858 } 1859 case SCTP_SS_VALUE: 1860 { 1861 struct sctp_stream_value *av; 1862 1863 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1864 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1865 if (stcb) { 1866 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1867 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1868 &av->stream_value) < 0)) { 1869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1870 error = EINVAL; 1871 } else { 1872 *optsize = sizeof(struct sctp_stream_value); 1873 } 1874 SCTP_TCB_UNLOCK(stcb); 1875 } else { 1876 /* 1877 * Can't get stream value without 1878 * association 1879 */ 1880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1881 error = EINVAL; 1882 } 1883 break; 1884 } 1885 case SCTP_GET_ADDR_LEN: 1886 { 1887 struct sctp_assoc_value *av; 1888 1889 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1890 error = EINVAL; 1891#ifdef INET 1892 if (av->assoc_value == AF_INET) { 1893 av->assoc_value = sizeof(struct sockaddr_in); 1894 error = 0; 1895 } 1896#endif 1897#ifdef INET6 1898 if (av->assoc_value == AF_INET6) { 1899 av->assoc_value = sizeof(struct sockaddr_in6); 1900 error = 0; 1901 } 1902#endif 1903 if (error) { 1904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1905 } else { 1906 *optsize = sizeof(struct sctp_assoc_value); 1907 } 1908 break; 1909 } 1910 case SCTP_GET_ASSOC_NUMBER: 1911 { 1912 uint32_t *value, cnt; 1913 1914 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1915 cnt = 0; 1916 SCTP_INP_RLOCK(inp); 1917 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1918 cnt++; 1919 } 1920 SCTP_INP_RUNLOCK(inp); 1921 *value = cnt; 1922 *optsize = sizeof(uint32_t); 1923 break; 1924 } 1925 case SCTP_GET_ASSOC_ID_LIST: 1926 { 1927 struct sctp_assoc_ids *ids; 1928 unsigned int at, limit; 1929 1930 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1931 at = 0; 1932 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1933 SCTP_INP_RLOCK(inp); 1934 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1935 if (at < limit) { 1936 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1937 } else { 1938 error = EINVAL; 1939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1940 break; 1941 } 1942 } 1943 SCTP_INP_RUNLOCK(inp); 1944 if (error == 0) { 1945 ids->gaids_number_of_ids = at; 1946 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1947 } 1948 break; 1949 } 1950 case SCTP_CONTEXT: 1951 { 1952 struct sctp_assoc_value *av; 1953 1954 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1955 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1956 1957 if (stcb) { 1958 av->assoc_value = stcb->asoc.context; 1959 SCTP_TCB_UNLOCK(stcb); 1960 } else { 1961 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1962 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1963 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1964 SCTP_INP_RLOCK(inp); 1965 av->assoc_value = inp->sctp_context; 1966 SCTP_INP_RUNLOCK(inp); 1967 } else { 1968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1969 error = EINVAL; 1970 } 1971 } 1972 if (error == 0) { 1973 *optsize = sizeof(struct sctp_assoc_value); 1974 } 1975 break; 1976 } 1977 case SCTP_VRF_ID: 1978 { 1979 uint32_t *default_vrfid; 1980 1981 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1982 *default_vrfid = inp->def_vrf_id; 1983 *optsize = sizeof(uint32_t); 1984 break; 1985 } 1986 case SCTP_GET_ASOC_VRF: 1987 { 1988 struct sctp_assoc_value *id; 1989 1990 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1991 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1992 if (stcb == NULL) { 1993 error = EINVAL; 1994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1995 } else { 1996 id->assoc_value = stcb->asoc.vrf_id; 1997 *optsize = sizeof(struct sctp_assoc_value); 1998 } 1999 break; 2000 } 2001 case SCTP_GET_VRF_IDS: 2002 { 2003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2004 error = EOPNOTSUPP; 2005 break; 2006 } 2007 case SCTP_GET_NONCE_VALUES: 2008 { 2009 struct sctp_get_nonce_values *gnv; 2010 2011 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2012 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2013 2014 if (stcb) { 2015 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2016 gnv->gn_local_tag = stcb->asoc.my_vtag; 2017 SCTP_TCB_UNLOCK(stcb); 2018 *optsize = sizeof(struct sctp_get_nonce_values); 2019 } else { 2020 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2021 error = ENOTCONN; 2022 } 2023 break; 2024 } 2025 case SCTP_DELAYED_SACK: 2026 { 2027 struct sctp_sack_info *sack; 2028 2029 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2030 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2031 if (stcb) { 2032 sack->sack_delay = stcb->asoc.delayed_ack; 2033 sack->sack_freq = stcb->asoc.sack_freq; 2034 SCTP_TCB_UNLOCK(stcb); 2035 } else { 2036 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2037 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2038 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2039 SCTP_INP_RLOCK(inp); 2040 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2041 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2042 SCTP_INP_RUNLOCK(inp); 2043 } else { 2044 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2045 error = EINVAL; 2046 } 2047 } 2048 if (error == 0) { 2049 *optsize = sizeof(struct sctp_sack_info); 2050 } 2051 break; 2052 } 2053 case SCTP_GET_SNDBUF_USE: 2054 { 2055 struct sctp_sockstat *ss; 2056 2057 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2058 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2059 2060 if (stcb) { 2061 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2062 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2063 stcb->asoc.size_on_all_streams); 2064 SCTP_TCB_UNLOCK(stcb); 2065 *optsize = sizeof(struct sctp_sockstat); 2066 } else { 2067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2068 error = ENOTCONN; 2069 } 2070 break; 2071 } 2072 case SCTP_MAX_BURST: 2073 { 2074 struct sctp_assoc_value *av; 2075 2076 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2077 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2078 2079 if (stcb) { 2080 av->assoc_value = stcb->asoc.max_burst; 2081 SCTP_TCB_UNLOCK(stcb); 2082 } else { 2083 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2084 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2085 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2086 SCTP_INP_RLOCK(inp); 2087 av->assoc_value = inp->sctp_ep.max_burst; 2088 SCTP_INP_RUNLOCK(inp); 2089 } else { 2090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2091 error = EINVAL; 2092 } 2093 } 2094 if (error == 0) { 2095 *optsize = sizeof(struct sctp_assoc_value); 2096 } 2097 break; 2098 } 2099 case SCTP_MAXSEG: 2100 { 2101 struct sctp_assoc_value *av; 2102 int ovh; 2103 2104 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2105 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2106 2107 if (stcb) { 2108 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2109 SCTP_TCB_UNLOCK(stcb); 2110 } else { 2111 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2112 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2113 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2114 SCTP_INP_RLOCK(inp); 2115 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2116 ovh = SCTP_MED_OVERHEAD; 2117 } else { 2118 ovh = SCTP_MED_V4_OVERHEAD; 2119 } 2120 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2121 av->assoc_value = 0; 2122 else 2123 av->assoc_value = inp->sctp_frag_point - ovh; 2124 SCTP_INP_RUNLOCK(inp); 2125 } else { 2126 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2127 error = EINVAL; 2128 } 2129 } 2130 if (error == 0) { 2131 *optsize = sizeof(struct sctp_assoc_value); 2132 } 2133 break; 2134 } 2135 case SCTP_GET_STAT_LOG: 2136 error = sctp_fill_stat_log(optval, optsize); 2137 break; 2138 case SCTP_EVENTS: 2139 { 2140 struct sctp_event_subscribe *events; 2141 2142 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2143 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2144 SCTP_INP_RLOCK(inp); 2145 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2146 events->sctp_data_io_event = 1; 2147 2148 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2149 events->sctp_association_event = 1; 2150 2151 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2152 events->sctp_address_event = 1; 2153 2154 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2155 events->sctp_send_failure_event = 1; 2156 2157 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2158 events->sctp_peer_error_event = 1; 2159 2160 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2161 events->sctp_shutdown_event = 1; 2162 2163 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2164 events->sctp_partial_delivery_event = 1; 2165 2166 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2167 events->sctp_adaptation_layer_event = 1; 2168 2169 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2170 events->sctp_authentication_event = 1; 2171 2172 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2173 events->sctp_sender_dry_event = 1; 2174 2175 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2176 events->sctp_stream_reset_event = 1; 2177 SCTP_INP_RUNLOCK(inp); 2178 *optsize = sizeof(struct sctp_event_subscribe); 2179 break; 2180 } 2181 case SCTP_ADAPTATION_LAYER: 2182 { 2183 uint32_t *value; 2184 2185 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2186 2187 SCTP_INP_RLOCK(inp); 2188 *value = inp->sctp_ep.adaptation_layer_indicator; 2189 SCTP_INP_RUNLOCK(inp); 2190 *optsize = sizeof(uint32_t); 2191 break; 2192 } 2193 case SCTP_SET_INITIAL_DBG_SEQ: 2194 { 2195 uint32_t *value; 2196 2197 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2198 SCTP_INP_RLOCK(inp); 2199 *value = inp->sctp_ep.initial_sequence_debug; 2200 SCTP_INP_RUNLOCK(inp); 2201 *optsize = sizeof(uint32_t); 2202 break; 2203 } 2204 case SCTP_GET_LOCAL_ADDR_SIZE: 2205 { 2206 uint32_t *value; 2207 2208 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2209 SCTP_INP_RLOCK(inp); 2210 *value = sctp_count_max_addresses(inp); 2211 SCTP_INP_RUNLOCK(inp); 2212 *optsize = sizeof(uint32_t); 2213 break; 2214 } 2215 case SCTP_GET_REMOTE_ADDR_SIZE: 2216 { 2217 uint32_t *value; 2218 size_t size; 2219 struct sctp_nets *net; 2220 2221 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2222 /* FIXME MT: change to sctp_assoc_value? */ 2223 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2224 2225 if (stcb) { 2226 size = 0; 2227 /* Count the sizes */ 2228 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2229 switch (net->ro._l_addr.sa.sa_family) { 2230#ifdef INET 2231 case AF_INET: 2232#ifdef INET6 2233 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2234 size += sizeof(struct sockaddr_in6); 2235 } else { 2236 size += sizeof(struct sockaddr_in); 2237 } 2238#else 2239 size += sizeof(struct sockaddr_in); 2240#endif 2241 break; 2242#endif 2243#ifdef INET6 2244 case AF_INET6: 2245 size += sizeof(struct sockaddr_in6); 2246 break; 2247#endif 2248 default: 2249 break; 2250 } 2251 } 2252 SCTP_TCB_UNLOCK(stcb); 2253 *value = (uint32_t) size; 2254 *optsize = sizeof(uint32_t); 2255 } else { 2256 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2257 error = ENOTCONN; 2258 } 2259 break; 2260 } 2261 case SCTP_GET_PEER_ADDRESSES: 2262 /* 2263 * Get the address information, an array is passed in to 2264 * fill up we pack it. 2265 */ 2266 { 2267 size_t cpsz, left; 2268 struct sockaddr_storage *sas; 2269 struct sctp_nets *net; 2270 struct sctp_getaddresses *saddr; 2271 2272 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2273 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2274 2275 if (stcb) { 2276 left = (*optsize) - sizeof(struct sctp_getaddresses); 2277 *optsize = sizeof(struct sctp_getaddresses); 2278 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2279 2280 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2281 switch (net->ro._l_addr.sa.sa_family) { 2282#ifdef INET 2283 case AF_INET: 2284#ifdef INET6 2285 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2286 cpsz = sizeof(struct sockaddr_in6); 2287 } else { 2288 cpsz = sizeof(struct sockaddr_in); 2289 } 2290#else 2291 cpsz = sizeof(struct sockaddr_in); 2292#endif 2293 break; 2294#endif 2295#ifdef INET6 2296 case AF_INET6: 2297 cpsz = sizeof(struct sockaddr_in6); 2298 break; 2299#endif 2300 default: 2301 cpsz = 0; 2302 break; 2303 } 2304 if (cpsz == 0) { 2305 break; 2306 } 2307 if (left < cpsz) { 2308 /* not enough room. */ 2309 break; 2310 } 2311#if defined(INET) && defined(INET6) 2312 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2313 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2314 /* Must map the address */ 2315 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2316 (struct sockaddr_in6 *)sas); 2317 } else { 2318 memcpy(sas, &net->ro._l_addr, cpsz); 2319 } 2320#else 2321 memcpy(sas, &net->ro._l_addr, cpsz); 2322#endif 2323 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2324 2325 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2326 left -= cpsz; 2327 *optsize += cpsz; 2328 } 2329 SCTP_TCB_UNLOCK(stcb); 2330 } else { 2331 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2332 error = ENOENT; 2333 } 2334 break; 2335 } 2336 case SCTP_GET_LOCAL_ADDRESSES: 2337 { 2338 size_t limit, actual; 2339 struct sockaddr_storage *sas; 2340 struct sctp_getaddresses *saddr; 2341 2342 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2343 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2344 2345 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2346 limit = *optsize - sizeof(sctp_assoc_t); 2347 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2348 if (stcb) { 2349 SCTP_TCB_UNLOCK(stcb); 2350 } 2351 *optsize = sizeof(struct sockaddr_storage) + actual; 2352 break; 2353 } 2354 case SCTP_PEER_ADDR_PARAMS: 2355 { 2356 struct sctp_paddrparams *paddrp; 2357 struct sctp_nets *net; 2358 struct sockaddr *addr; 2359 2360#if defined(INET) && defined(INET6) 2361 struct sockaddr_in sin_store; 2362 2363#endif 2364 2365 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2366 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2367 2368#if defined(INET) && defined(INET6) 2369 if (paddrp->spp_address.ss_family == AF_INET6) { 2370 struct sockaddr_in6 *sin6; 2371 2372 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2373 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2374 in6_sin6_2_sin(&sin_store, sin6); 2375 addr = (struct sockaddr *)&sin_store; 2376 } else { 2377 addr = (struct sockaddr *)&paddrp->spp_address; 2378 } 2379 } else { 2380 addr = (struct sockaddr *)&paddrp->spp_address; 2381 } 2382#else 2383 addr = (struct sockaddr *)&paddrp->spp_address; 2384#endif 2385 if (stcb != NULL) { 2386 net = sctp_findnet(stcb, addr); 2387 } else { 2388 /* 2389 * We increment here since 2390 * sctp_findassociation_ep_addr() wil do a 2391 * decrement if it finds the stcb as long as 2392 * the locked tcb (last argument) is NOT a 2393 * TCB.. aka NULL. 2394 */ 2395 net = NULL; 2396 SCTP_INP_INCR_REF(inp); 2397 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2398 if (stcb == NULL) { 2399 SCTP_INP_DECR_REF(inp); 2400 } 2401 } 2402 if ((stcb != NULL) && (net == NULL)) { 2403#ifdef INET 2404 if (addr->sa_family == AF_INET) { 2405 struct sockaddr_in *sin; 2406 2407 sin = (struct sockaddr_in *)addr; 2408 if (sin->sin_addr.s_addr != INADDR_ANY) { 2409 error = EINVAL; 2410 SCTP_TCB_UNLOCK(stcb); 2411 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2412 break; 2413 } 2414 } else 2415#endif 2416#ifdef INET6 2417 if (addr->sa_family == AF_INET6) { 2418 struct sockaddr_in6 *sin6; 2419 2420 sin6 = (struct sockaddr_in6 *)addr; 2421 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2422 error = EINVAL; 2423 SCTP_TCB_UNLOCK(stcb); 2424 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2425 break; 2426 } 2427 } else 2428#endif 2429 { 2430 error = EAFNOSUPPORT; 2431 SCTP_TCB_UNLOCK(stcb); 2432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2433 break; 2434 } 2435 } 2436 if (stcb != NULL) { 2437 /* Applies to the specific association */ 2438 paddrp->spp_flags = 0; 2439 if (net != NULL) { 2440 int ovh; 2441 2442 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2443 ovh = SCTP_MED_OVERHEAD; 2444 } else { 2445 ovh = SCTP_MED_V4_OVERHEAD; 2446 } 2447 2448 paddrp->spp_hbinterval = net->heart_beat_delay; 2449 paddrp->spp_pathmaxrxt = net->failure_threshold; 2450 paddrp->spp_pathmtu = net->mtu - ovh; 2451 /* get flags for HB */ 2452 if (net->dest_state & SCTP_ADDR_NOHB) { 2453 paddrp->spp_flags |= SPP_HB_DISABLE; 2454 } else { 2455 paddrp->spp_flags |= SPP_HB_ENABLE; 2456 } 2457 /* get flags for PMTU */ 2458 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2459 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2460 } else { 2461 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2462 } 2463 if (net->dscp & 0x01) { 2464 paddrp->spp_dscp = net->dscp & 0xfc; 2465 paddrp->spp_flags |= SPP_DSCP; 2466 } 2467#ifdef INET6 2468 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2469 (net->flowlabel & 0x80000000)) { 2470 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2471 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2472 } 2473#endif 2474 } else { 2475 /* 2476 * No destination so return default 2477 * value 2478 */ 2479 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2480 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2481 if (stcb->asoc.default_dscp & 0x01) { 2482 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2483 paddrp->spp_flags |= SPP_DSCP; 2484 } 2485#ifdef INET6 2486 if (stcb->asoc.default_flowlabel & 0x80000000) { 2487 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2488 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2489 } 2490#endif 2491 /* default settings should be these */ 2492 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2493 paddrp->spp_flags |= SPP_HB_DISABLE; 2494 } else { 2495 paddrp->spp_flags |= SPP_HB_ENABLE; 2496 } 2497 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2498 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2499 } else { 2500 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2501 } 2502 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2503 } 2504 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2505 SCTP_TCB_UNLOCK(stcb); 2506 } else { 2507 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2508 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2509 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2510 /* Use endpoint defaults */ 2511 SCTP_INP_RLOCK(inp); 2512 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2513 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2514 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2515 /* get inp's default */ 2516 if (inp->sctp_ep.default_dscp & 0x01) { 2517 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2518 paddrp->spp_flags |= SPP_DSCP; 2519 } 2520#ifdef INET6 2521 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2522 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2523 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2524 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2525 } 2526#endif 2527 /* can't return this */ 2528 paddrp->spp_pathmtu = 0; 2529 2530 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2531 paddrp->spp_flags |= SPP_HB_ENABLE; 2532 } else { 2533 paddrp->spp_flags |= SPP_HB_DISABLE; 2534 } 2535 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2536 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2537 } else { 2538 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2539 } 2540 SCTP_INP_RUNLOCK(inp); 2541 } else { 2542 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2543 error = EINVAL; 2544 } 2545 } 2546 if (error == 0) { 2547 *optsize = sizeof(struct sctp_paddrparams); 2548 } 2549 break; 2550 } 2551 case SCTP_GET_PEER_ADDR_INFO: 2552 { 2553 struct sctp_paddrinfo *paddri; 2554 struct sctp_nets *net; 2555 struct sockaddr *addr; 2556 2557#if defined(INET) && defined(INET6) 2558 struct sockaddr_in sin_store; 2559 2560#endif 2561 2562 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2563 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2564 2565#if defined(INET) && defined(INET6) 2566 if (paddri->spinfo_address.ss_family == AF_INET6) { 2567 struct sockaddr_in6 *sin6; 2568 2569 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2570 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2571 in6_sin6_2_sin(&sin_store, sin6); 2572 addr = (struct sockaddr *)&sin_store; 2573 } else { 2574 addr = (struct sockaddr *)&paddri->spinfo_address; 2575 } 2576 } else { 2577 addr = (struct sockaddr *)&paddri->spinfo_address; 2578 } 2579#else 2580 addr = (struct sockaddr *)&paddri->spinfo_address; 2581#endif 2582 if (stcb != NULL) { 2583 net = sctp_findnet(stcb, addr); 2584 } else { 2585 /* 2586 * We increment here since 2587 * sctp_findassociation_ep_addr() wil do a 2588 * decrement if it finds the stcb as long as 2589 * the locked tcb (last argument) is NOT a 2590 * TCB.. aka NULL. 2591 */ 2592 net = NULL; 2593 SCTP_INP_INCR_REF(inp); 2594 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2595 if (stcb == NULL) { 2596 SCTP_INP_DECR_REF(inp); 2597 } 2598 } 2599 2600 if ((stcb != NULL) && (net != NULL)) { 2601 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2602 /* It's unconfirmed */ 2603 paddri->spinfo_state = SCTP_UNCONFIRMED; 2604 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2605 /* It's active */ 2606 paddri->spinfo_state = SCTP_ACTIVE; 2607 } else { 2608 /* It's inactive */ 2609 paddri->spinfo_state = SCTP_INACTIVE; 2610 } 2611 paddri->spinfo_cwnd = net->cwnd; 2612 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2613 paddri->spinfo_rto = net->RTO; 2614 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2615 paddri->spinfo_mtu = net->mtu; 2616 SCTP_TCB_UNLOCK(stcb); 2617 *optsize = sizeof(struct sctp_paddrinfo); 2618 } else { 2619 if (stcb != NULL) { 2620 SCTP_TCB_UNLOCK(stcb); 2621 } 2622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2623 error = ENOENT; 2624 } 2625 break; 2626 } 2627 case SCTP_PCB_STATUS: 2628 { 2629 struct sctp_pcbinfo *spcb; 2630 2631 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2632 sctp_fill_pcbinfo(spcb); 2633 *optsize = sizeof(struct sctp_pcbinfo); 2634 break; 2635 } 2636 case SCTP_STATUS: 2637 { 2638 struct sctp_nets *net; 2639 struct sctp_status *sstat; 2640 2641 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2642 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2643 2644 if (stcb == NULL) { 2645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2646 error = EINVAL; 2647 break; 2648 } 2649 /* 2650 * I think passing the state is fine since 2651 * sctp_constants.h will be available to the user 2652 * land. 2653 */ 2654 sstat->sstat_state = stcb->asoc.state; 2655 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2656 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2657 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2658 /* 2659 * We can't include chunks that have been passed to 2660 * the socket layer. Only things in queue. 2661 */ 2662 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2663 stcb->asoc.cnt_on_all_streams); 2664 2665 2666 sstat->sstat_instrms = stcb->asoc.streamincnt; 2667 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2668 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2669 memcpy(&sstat->sstat_primary.spinfo_address, 2670 &stcb->asoc.primary_destination->ro._l_addr, 2671 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2672 net = stcb->asoc.primary_destination; 2673 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2674 /* 2675 * Again the user can get info from sctp_constants.h 2676 * for what the state of the network is. 2677 */ 2678 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2679 /* It's unconfirmed */ 2680 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2681 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2682 /* It's active */ 2683 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2684 } else { 2685 /* It's inactive */ 2686 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2687 } 2688 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2689 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2690 sstat->sstat_primary.spinfo_rto = net->RTO; 2691 sstat->sstat_primary.spinfo_mtu = net->mtu; 2692 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2693 SCTP_TCB_UNLOCK(stcb); 2694 *optsize = sizeof(struct sctp_status); 2695 break; 2696 } 2697 case SCTP_RTOINFO: 2698 { 2699 struct sctp_rtoinfo *srto; 2700 2701 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2702 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2703 2704 if (stcb) { 2705 srto->srto_initial = stcb->asoc.initial_rto; 2706 srto->srto_max = stcb->asoc.maxrto; 2707 srto->srto_min = stcb->asoc.minrto; 2708 SCTP_TCB_UNLOCK(stcb); 2709 } else { 2710 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2711 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2712 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2713 SCTP_INP_RLOCK(inp); 2714 srto->srto_initial = inp->sctp_ep.initial_rto; 2715 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2716 srto->srto_min = inp->sctp_ep.sctp_minrto; 2717 SCTP_INP_RUNLOCK(inp); 2718 } else { 2719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2720 error = EINVAL; 2721 } 2722 } 2723 if (error == 0) { 2724 *optsize = sizeof(struct sctp_rtoinfo); 2725 } 2726 break; 2727 } 2728 case SCTP_TIMEOUTS: 2729 { 2730 struct sctp_timeouts *stimo; 2731 2732 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2733 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2734 2735 if (stcb) { 2736 stimo->stimo_init = stcb->asoc.timoinit; 2737 stimo->stimo_data = stcb->asoc.timodata; 2738 stimo->stimo_sack = stcb->asoc.timosack; 2739 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2740 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2741 stimo->stimo_cookie = stcb->asoc.timocookie; 2742 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2743 SCTP_TCB_UNLOCK(stcb); 2744 *optsize = sizeof(struct sctp_timeouts); 2745 } else { 2746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2747 error = EINVAL; 2748 } 2749 break; 2750 } 2751 case SCTP_ASSOCINFO: 2752 { 2753 struct sctp_assocparams *sasoc; 2754 2755 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2756 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2757 2758 if (stcb) { 2759 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2760 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2761 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2762 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2763 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2764 SCTP_TCB_UNLOCK(stcb); 2765 } else { 2766 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2767 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2768 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2769 SCTP_INP_RLOCK(inp); 2770 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2771 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2772 sasoc->sasoc_number_peer_destinations = 0; 2773 sasoc->sasoc_peer_rwnd = 0; 2774 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2775 SCTP_INP_RUNLOCK(inp); 2776 } else { 2777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2778 error = EINVAL; 2779 } 2780 } 2781 if (error == 0) { 2782 *optsize = sizeof(struct sctp_assocparams); 2783 } 2784 break; 2785 } 2786 case SCTP_DEFAULT_SEND_PARAM: 2787 { 2788 struct sctp_sndrcvinfo *s_info; 2789 2790 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2791 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2792 2793 if (stcb) { 2794 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2795 SCTP_TCB_UNLOCK(stcb); 2796 } else { 2797 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2798 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2799 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2800 SCTP_INP_RLOCK(inp); 2801 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2802 SCTP_INP_RUNLOCK(inp); 2803 } else { 2804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2805 error = EINVAL; 2806 } 2807 } 2808 if (error == 0) { 2809 *optsize = sizeof(struct sctp_sndrcvinfo); 2810 } 2811 break; 2812 } 2813 case SCTP_INITMSG: 2814 { 2815 struct sctp_initmsg *sinit; 2816 2817 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2818 SCTP_INP_RLOCK(inp); 2819 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2820 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2821 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2822 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2823 SCTP_INP_RUNLOCK(inp); 2824 *optsize = sizeof(struct sctp_initmsg); 2825 break; 2826 } 2827 case SCTP_PRIMARY_ADDR: 2828 /* we allow a "get" operation on this */ 2829 { 2830 struct sctp_setprim *ssp; 2831 2832 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2833 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2834 2835 if (stcb) { 2836 union sctp_sockstore *addr; 2837 2838 addr = &stcb->asoc.primary_destination->ro._l_addr; 2839 switch (addr->sa.sa_family) { 2840#ifdef INET 2841 case AF_INET: 2842#ifdef INET6 2843 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2844 in6_sin_2_v4mapsin6(&addr->sin, 2845 (struct sockaddr_in6 *)&ssp->ssp_addr); 2846 } else { 2847 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2848 } 2849#else 2850 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2851#endif 2852 break; 2853#endif 2854#ifdef INET6 2855 case AF_INET6: 2856 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2857 break; 2858#endif 2859 default: 2860 break; 2861 } 2862 SCTP_TCB_UNLOCK(stcb); 2863 *optsize = sizeof(struct sctp_setprim); 2864 } else { 2865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2866 error = EINVAL; 2867 } 2868 break; 2869 } 2870 case SCTP_HMAC_IDENT: 2871 { 2872 struct sctp_hmacalgo *shmac; 2873 sctp_hmaclist_t *hmaclist; 2874 uint32_t size; 2875 int i; 2876 2877 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2878 2879 SCTP_INP_RLOCK(inp); 2880 hmaclist = inp->sctp_ep.local_hmacs; 2881 if (hmaclist == NULL) { 2882 /* no HMACs to return */ 2883 *optsize = sizeof(*shmac); 2884 SCTP_INP_RUNLOCK(inp); 2885 break; 2886 } 2887 /* is there room for all of the hmac ids? */ 2888 size = sizeof(*shmac) + (hmaclist->num_algo * 2889 sizeof(shmac->shmac_idents[0])); 2890 if ((size_t)(*optsize) < size) { 2891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2892 error = EINVAL; 2893 SCTP_INP_RUNLOCK(inp); 2894 break; 2895 } 2896 /* copy in the list */ 2897 shmac->shmac_number_of_idents = hmaclist->num_algo; 2898 for (i = 0; i < hmaclist->num_algo; i++) { 2899 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2900 } 2901 SCTP_INP_RUNLOCK(inp); 2902 *optsize = size; 2903 break; 2904 } 2905 case SCTP_AUTH_ACTIVE_KEY: 2906 { 2907 struct sctp_authkeyid *scact; 2908 2909 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2910 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2911 2912 if (stcb) { 2913 /* get the active key on the assoc */ 2914 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2915 SCTP_TCB_UNLOCK(stcb); 2916 } else { 2917 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2918 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2919 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2920 /* get the endpoint active key */ 2921 SCTP_INP_RLOCK(inp); 2922 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2923 SCTP_INP_RUNLOCK(inp); 2924 } else { 2925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2926 error = EINVAL; 2927 } 2928 } 2929 if (error == 0) { 2930 *optsize = sizeof(struct sctp_authkeyid); 2931 } 2932 break; 2933 } 2934 case SCTP_LOCAL_AUTH_CHUNKS: 2935 { 2936 struct sctp_authchunks *sac; 2937 sctp_auth_chklist_t *chklist = NULL; 2938 size_t size = 0; 2939 2940 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2941 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2942 2943 if (stcb) { 2944 /* get off the assoc */ 2945 chklist = stcb->asoc.local_auth_chunks; 2946 /* is there enough space? */ 2947 size = sctp_auth_get_chklist_size(chklist); 2948 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2949 error = EINVAL; 2950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2951 } else { 2952 /* copy in the chunks */ 2953 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2954 sac->gauth_number_of_chunks = (uint32_t) size; 2955 *optsize = sizeof(struct sctp_authchunks) + size; 2956 } 2957 SCTP_TCB_UNLOCK(stcb); 2958 } else { 2959 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2960 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2961 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2962 /* get off the endpoint */ 2963 SCTP_INP_RLOCK(inp); 2964 chklist = inp->sctp_ep.local_auth_chunks; 2965 /* is there enough space? */ 2966 size = sctp_auth_get_chklist_size(chklist); 2967 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2968 error = EINVAL; 2969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2970 } else { 2971 /* copy in the chunks */ 2972 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2973 sac->gauth_number_of_chunks = (uint32_t) size; 2974 *optsize = sizeof(struct sctp_authchunks) + size; 2975 } 2976 SCTP_INP_RUNLOCK(inp); 2977 } else { 2978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2979 error = EINVAL; 2980 } 2981 } 2982 break; 2983 } 2984 case SCTP_PEER_AUTH_CHUNKS: 2985 { 2986 struct sctp_authchunks *sac; 2987 sctp_auth_chklist_t *chklist = NULL; 2988 size_t size = 0; 2989 2990 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2991 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2992 2993 if (stcb) { 2994 /* get off the assoc */ 2995 chklist = stcb->asoc.peer_auth_chunks; 2996 /* is there enough space? */ 2997 size = sctp_auth_get_chklist_size(chklist); 2998 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2999 error = EINVAL; 3000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3001 } else { 3002 /* copy in the chunks */ 3003 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3004 sac->gauth_number_of_chunks = (uint32_t) size; 3005 *optsize = sizeof(struct sctp_authchunks) + size; 3006 } 3007 SCTP_TCB_UNLOCK(stcb); 3008 } else { 3009 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3010 error = ENOENT; 3011 } 3012 break; 3013 } 3014 case SCTP_EVENT: 3015 { 3016 struct sctp_event *event; 3017 uint32_t event_type; 3018 3019 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3020 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3021 3022 switch (event->se_type) { 3023 case SCTP_ASSOC_CHANGE: 3024 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3025 break; 3026 case SCTP_PEER_ADDR_CHANGE: 3027 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3028 break; 3029 case SCTP_REMOTE_ERROR: 3030 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3031 break; 3032 case SCTP_SEND_FAILED: 3033 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3034 break; 3035 case SCTP_SHUTDOWN_EVENT: 3036 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3037 break; 3038 case SCTP_ADAPTATION_INDICATION: 3039 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3040 break; 3041 case SCTP_PARTIAL_DELIVERY_EVENT: 3042 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3043 break; 3044 case SCTP_AUTHENTICATION_EVENT: 3045 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3046 break; 3047 case SCTP_STREAM_RESET_EVENT: 3048 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3049 break; 3050 case SCTP_SENDER_DRY_EVENT: 3051 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3052 break; 3053 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3054 event_type = 0; 3055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3056 error = ENOTSUP; 3057 break; 3058 case SCTP_ASSOC_RESET_EVENT: 3059 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3060 break; 3061 case SCTP_STREAM_CHANGE_EVENT: 3062 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3063 break; 3064 case SCTP_SEND_FAILED_EVENT: 3065 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3066 break; 3067 default: 3068 event_type = 0; 3069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3070 error = EINVAL; 3071 break; 3072 } 3073 if (event_type > 0) { 3074 if (stcb) { 3075 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3076 SCTP_TCB_UNLOCK(stcb); 3077 } else { 3078 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3079 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3080 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3081 SCTP_INP_RLOCK(inp); 3082 event->se_on = sctp_is_feature_on(inp, event_type); 3083 SCTP_INP_RUNLOCK(inp); 3084 } else { 3085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3086 error = EINVAL; 3087 } 3088 } 3089 } 3090 if (error == 0) { 3091 *optsize = sizeof(struct sctp_event); 3092 } 3093 break; 3094 } 3095 case SCTP_RECVRCVINFO: 3096 { 3097 int onoff; 3098 3099 if (*optsize < sizeof(int)) { 3100 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3101 error = EINVAL; 3102 } else { 3103 SCTP_INP_RLOCK(inp); 3104 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3105 SCTP_INP_RUNLOCK(inp); 3106 } 3107 if (error == 0) { 3108 /* return the option value */ 3109 *(int *)optval = onoff; 3110 *optsize = sizeof(int); 3111 } 3112 break; 3113 } 3114 case SCTP_RECVNXTINFO: 3115 { 3116 int onoff; 3117 3118 if (*optsize < sizeof(int)) { 3119 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3120 error = EINVAL; 3121 } else { 3122 SCTP_INP_RLOCK(inp); 3123 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3124 SCTP_INP_RUNLOCK(inp); 3125 } 3126 if (error == 0) { 3127 /* return the option value */ 3128 *(int *)optval = onoff; 3129 *optsize = sizeof(int); 3130 } 3131 break; 3132 } 3133 case SCTP_DEFAULT_SNDINFO: 3134 { 3135 struct sctp_sndinfo *info; 3136 3137 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3138 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3139 3140 if (stcb) { 3141 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3142 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3143 info->snd_flags &= 0xfff0; 3144 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3145 info->snd_context = stcb->asoc.def_send.sinfo_context; 3146 SCTP_TCB_UNLOCK(stcb); 3147 } else { 3148 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3149 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3150 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3151 SCTP_INP_RLOCK(inp); 3152 info->snd_sid = inp->def_send.sinfo_stream; 3153 info->snd_flags = inp->def_send.sinfo_flags; 3154 info->snd_flags &= 0xfff0; 3155 info->snd_ppid = inp->def_send.sinfo_ppid; 3156 info->snd_context = inp->def_send.sinfo_context; 3157 SCTP_INP_RUNLOCK(inp); 3158 } else { 3159 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3160 error = EINVAL; 3161 } 3162 } 3163 if (error == 0) { 3164 *optsize = sizeof(struct sctp_sndinfo); 3165 } 3166 break; 3167 } 3168 case SCTP_DEFAULT_PRINFO: 3169 { 3170 struct sctp_default_prinfo *info; 3171 3172 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3173 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3174 3175 if (stcb) { 3176 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3177 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3178 SCTP_TCB_UNLOCK(stcb); 3179 } else { 3180 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3181 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3182 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3183 SCTP_INP_RLOCK(inp); 3184 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3185 info->pr_value = inp->def_send.sinfo_timetolive; 3186 SCTP_INP_RUNLOCK(inp); 3187 } else { 3188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3189 error = EINVAL; 3190 } 3191 } 3192 if (error == 0) { 3193 *optsize = sizeof(struct sctp_default_prinfo); 3194 } 3195 break; 3196 } 3197 case SCTP_PEER_ADDR_THLDS: 3198 { 3199 struct sctp_paddrthlds *thlds; 3200 struct sctp_nets *net; 3201 struct sockaddr *addr; 3202 3203#if defined(INET) && defined(INET6) 3204 struct sockaddr_in sin_store; 3205 3206#endif 3207 3208 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3209 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3210 3211#if defined(INET) && defined(INET6) 3212 if (thlds->spt_address.ss_family == AF_INET6) { 3213 struct sockaddr_in6 *sin6; 3214 3215 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3216 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3217 in6_sin6_2_sin(&sin_store, sin6); 3218 addr = (struct sockaddr *)&sin_store; 3219 } else { 3220 addr = (struct sockaddr *)&thlds->spt_address; 3221 } 3222 } else { 3223 addr = (struct sockaddr *)&thlds->spt_address; 3224 } 3225#else 3226 addr = (struct sockaddr *)&thlds->spt_address; 3227#endif 3228 if (stcb != NULL) { 3229 net = sctp_findnet(stcb, addr); 3230 } else { 3231 /* 3232 * We increment here since 3233 * sctp_findassociation_ep_addr() wil do a 3234 * decrement if it finds the stcb as long as 3235 * the locked tcb (last argument) is NOT a 3236 * TCB.. aka NULL. 3237 */ 3238 net = NULL; 3239 SCTP_INP_INCR_REF(inp); 3240 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3241 if (stcb == NULL) { 3242 SCTP_INP_DECR_REF(inp); 3243 } 3244 } 3245 if ((stcb != NULL) && (net == NULL)) { 3246#ifdef INET 3247 if (addr->sa_family == AF_INET) { 3248 struct sockaddr_in *sin; 3249 3250 sin = (struct sockaddr_in *)addr; 3251 if (sin->sin_addr.s_addr != INADDR_ANY) { 3252 error = EINVAL; 3253 SCTP_TCB_UNLOCK(stcb); 3254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3255 break; 3256 } 3257 } else 3258#endif 3259#ifdef INET6 3260 if (addr->sa_family == AF_INET6) { 3261 struct sockaddr_in6 *sin6; 3262 3263 sin6 = (struct sockaddr_in6 *)addr; 3264 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3265 error = EINVAL; 3266 SCTP_TCB_UNLOCK(stcb); 3267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3268 break; 3269 } 3270 } else 3271#endif 3272 { 3273 error = EAFNOSUPPORT; 3274 SCTP_TCB_UNLOCK(stcb); 3275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3276 break; 3277 } 3278 } 3279 if (stcb != NULL) { 3280 if (net != NULL) { 3281 thlds->spt_pathmaxrxt = net->failure_threshold; 3282 thlds->spt_pathpfthld = net->pf_threshold; 3283 } else { 3284 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3285 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3286 } 3287 thlds->spt_assoc_id = sctp_get_associd(stcb); 3288 SCTP_TCB_UNLOCK(stcb); 3289 } else { 3290 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3291 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3292 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3293 /* Use endpoint defaults */ 3294 SCTP_INP_RLOCK(inp); 3295 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3296 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3297 SCTP_INP_RUNLOCK(inp); 3298 } else { 3299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3300 error = EINVAL; 3301 } 3302 } 3303 if (error == 0) { 3304 *optsize = sizeof(struct sctp_paddrthlds); 3305 } 3306 break; 3307 } 3308 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3309 { 3310 struct sctp_udpencaps *encaps; 3311 struct sctp_nets *net; 3312 struct sockaddr *addr; 3313 3314#if defined(INET) && defined(INET6) 3315 struct sockaddr_in sin_store; 3316 3317#endif 3318 3319 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3320 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3321 3322#if defined(INET) && defined(INET6) 3323 if (encaps->sue_address.ss_family == AF_INET6) { 3324 struct sockaddr_in6 *sin6; 3325 3326 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3327 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3328 in6_sin6_2_sin(&sin_store, sin6); 3329 addr = (struct sockaddr *)&sin_store; 3330 } else { 3331 addr = (struct sockaddr *)&encaps->sue_address; 3332 } 3333 } else { 3334 addr = (struct sockaddr *)&encaps->sue_address; 3335 } 3336#else 3337 addr = (struct sockaddr *)&encaps->sue_address; 3338#endif 3339 if (stcb) { 3340 net = sctp_findnet(stcb, addr); 3341 } else { 3342 /* 3343 * We increment here since 3344 * sctp_findassociation_ep_addr() wil do a 3345 * decrement if it finds the stcb as long as 3346 * the locked tcb (last argument) is NOT a 3347 * TCB.. aka NULL. 3348 */ 3349 net = NULL; 3350 SCTP_INP_INCR_REF(inp); 3351 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3352 if (stcb == NULL) { 3353 SCTP_INP_DECR_REF(inp); 3354 } 3355 } 3356 if ((stcb != NULL) && (net == NULL)) { 3357#ifdef INET 3358 if (addr->sa_family == AF_INET) { 3359 struct sockaddr_in *sin; 3360 3361 sin = (struct sockaddr_in *)addr; 3362 if (sin->sin_addr.s_addr != INADDR_ANY) { 3363 error = EINVAL; 3364 SCTP_TCB_UNLOCK(stcb); 3365 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3366 break; 3367 } 3368 } else 3369#endif 3370#ifdef INET6 3371 if (addr->sa_family == AF_INET6) { 3372 struct sockaddr_in6 *sin6; 3373 3374 sin6 = (struct sockaddr_in6 *)addr; 3375 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3376 error = EINVAL; 3377 SCTP_TCB_UNLOCK(stcb); 3378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3379 break; 3380 } 3381 } else 3382#endif 3383 { 3384 error = EAFNOSUPPORT; 3385 SCTP_TCB_UNLOCK(stcb); 3386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3387 break; 3388 } 3389 } 3390 if (stcb != NULL) { 3391 if (net) { 3392 encaps->sue_port = net->port; 3393 } else { 3394 encaps->sue_port = stcb->asoc.port; 3395 } 3396 SCTP_TCB_UNLOCK(stcb); 3397 } else { 3398 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3399 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3400 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3401 SCTP_INP_RLOCK(inp); 3402 encaps->sue_port = inp->sctp_ep.port; 3403 SCTP_INP_RUNLOCK(inp); 3404 } else { 3405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3406 error = EINVAL; 3407 } 3408 } 3409 if (error == 0) { 3410 *optsize = sizeof(struct sctp_udpencaps); 3411 } 3412 break; 3413 } 3414 case SCTP_ECN_SUPPORTED: 3415 { 3416 struct sctp_assoc_value *av; 3417 3418 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3419 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3420 3421 if (stcb) { 3422 av->assoc_value = stcb->asoc.ecn_supported; 3423 SCTP_TCB_UNLOCK(stcb); 3424 } else { 3425 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3426 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3427 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3428 SCTP_INP_RLOCK(inp); 3429 av->assoc_value = inp->ecn_supported; 3430 SCTP_INP_RUNLOCK(inp); 3431 } else { 3432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3433 error = EINVAL; 3434 } 3435 } 3436 if (error == 0) { 3437 *optsize = sizeof(struct sctp_assoc_value); 3438 } 3439 break; 3440 } 3441 case SCTP_PR_SUPPORTED: 3442 { 3443 struct sctp_assoc_value *av; 3444 3445 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3446 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3447 3448 if (stcb) { 3449 av->assoc_value = stcb->asoc.prsctp_supported; 3450 SCTP_TCB_UNLOCK(stcb); 3451 } else { 3452 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3453 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3454 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3455 SCTP_INP_RLOCK(inp); 3456 av->assoc_value = inp->prsctp_supported; 3457 SCTP_INP_RUNLOCK(inp); 3458 } else { 3459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3460 error = EINVAL; 3461 } 3462 } 3463 if (error == 0) { 3464 *optsize = sizeof(struct sctp_assoc_value); 3465 } 3466 break; 3467 } 3468 case SCTP_AUTH_SUPPORTED: 3469 { 3470 struct sctp_assoc_value *av; 3471 3472 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3473 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3474 3475 if (stcb) { 3476 av->assoc_value = stcb->asoc.auth_supported; 3477 SCTP_TCB_UNLOCK(stcb); 3478 } else { 3479 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3480 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3481 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3482 SCTP_INP_RLOCK(inp); 3483 av->assoc_value = inp->auth_supported; 3484 SCTP_INP_RUNLOCK(inp); 3485 } else { 3486 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3487 error = EINVAL; 3488 } 3489 } 3490 if (error == 0) { 3491 *optsize = sizeof(struct sctp_assoc_value); 3492 } 3493 break; 3494 } 3495 case SCTP_ASCONF_SUPPORTED: 3496 { 3497 struct sctp_assoc_value *av; 3498 3499 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3500 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3501 3502 if (stcb) { 3503 av->assoc_value = stcb->asoc.asconf_supported; 3504 SCTP_TCB_UNLOCK(stcb); 3505 } else { 3506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3507 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3508 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3509 SCTP_INP_RLOCK(inp); 3510 av->assoc_value = inp->asconf_supported; 3511 SCTP_INP_RUNLOCK(inp); 3512 } else { 3513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3514 error = EINVAL; 3515 } 3516 } 3517 if (error == 0) { 3518 *optsize = sizeof(struct sctp_assoc_value); 3519 } 3520 break; 3521 } 3522 case SCTP_RECONFIG_SUPPORTED: 3523 { 3524 struct sctp_assoc_value *av; 3525 3526 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3527 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3528 3529 if (stcb) { 3530 av->assoc_value = stcb->asoc.reconfig_supported; 3531 SCTP_TCB_UNLOCK(stcb); 3532 } else { 3533 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3534 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3535 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3536 SCTP_INP_RLOCK(inp); 3537 av->assoc_value = inp->reconfig_supported; 3538 SCTP_INP_RUNLOCK(inp); 3539 } else { 3540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3541 error = EINVAL; 3542 } 3543 } 3544 if (error == 0) { 3545 *optsize = sizeof(struct sctp_assoc_value); 3546 } 3547 break; 3548 } 3549 case SCTP_NRSACK_SUPPORTED: 3550 { 3551 struct sctp_assoc_value *av; 3552 3553 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3554 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3555 3556 if (stcb) { 3557 av->assoc_value = stcb->asoc.nrsack_supported; 3558 SCTP_TCB_UNLOCK(stcb); 3559 } else { 3560 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3561 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3562 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3563 SCTP_INP_RLOCK(inp); 3564 av->assoc_value = inp->nrsack_supported; 3565 SCTP_INP_RUNLOCK(inp); 3566 } else { 3567 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3568 error = EINVAL; 3569 } 3570 } 3571 if (error == 0) { 3572 *optsize = sizeof(struct sctp_assoc_value); 3573 } 3574 break; 3575 } 3576 case SCTP_PKTDROP_SUPPORTED: 3577 { 3578 struct sctp_assoc_value *av; 3579 3580 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3581 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3582 3583 if (stcb) { 3584 av->assoc_value = stcb->asoc.pktdrop_supported; 3585 SCTP_TCB_UNLOCK(stcb); 3586 } else { 3587 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3588 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3589 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3590 SCTP_INP_RLOCK(inp); 3591 av->assoc_value = inp->pktdrop_supported; 3592 SCTP_INP_RUNLOCK(inp); 3593 } else { 3594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3595 error = EINVAL; 3596 } 3597 } 3598 if (error == 0) { 3599 *optsize = sizeof(struct sctp_assoc_value); 3600 } 3601 break; 3602 } 3603 case SCTP_ENABLE_STREAM_RESET: 3604 { 3605 struct sctp_assoc_value *av; 3606 3607 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3608 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3609 3610 if (stcb) { 3611 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3612 SCTP_TCB_UNLOCK(stcb); 3613 } else { 3614 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3615 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3616 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3617 SCTP_INP_RLOCK(inp); 3618 av->assoc_value = (uint32_t) inp->local_strreset_support; 3619 SCTP_INP_RUNLOCK(inp); 3620 } else { 3621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3622 error = EINVAL; 3623 } 3624 } 3625 if (error == 0) { 3626 *optsize = sizeof(struct sctp_assoc_value); 3627 } 3628 break; 3629 } 3630 case SCTP_PR_STREAM_STATUS: 3631 { 3632 struct sctp_prstatus *sprstat; 3633 uint16_t sid; 3634 uint16_t policy; 3635 3636 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3637 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3638 3639 sid = sprstat->sprstat_sid; 3640 policy = sprstat->sprstat_policy; 3641#if defined(SCTP_DETAILED_STR_STATS) 3642 if ((stcb != NULL) && 3643 (policy != SCTP_PR_SCTP_NONE) && 3644 (sid < stcb->asoc.streamoutcnt) && 3645 ((policy == SCTP_PR_SCTP_ALL) || 3646 (PR_SCTP_VALID_POLICY(policy)))) { 3647 if (policy == SCTP_PR_SCTP_ALL) { 3648 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3649 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3650 } else { 3651 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3652 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3653 } 3654#else 3655 if ((stcb != NULL) && 3656 (policy == SCTP_PR_SCTP_ALL) && 3657 (sid < stcb->asoc.streamoutcnt)) { 3658 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3659 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3660#endif 3661 SCTP_TCB_UNLOCK(stcb); 3662 *optsize = sizeof(struct sctp_prstatus); 3663 } else { 3664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3665 error = EINVAL; 3666 } 3667 break; 3668 } 3669 case SCTP_PR_ASSOC_STATUS: 3670 { 3671 struct sctp_prstatus *sprstat; 3672 uint16_t policy; 3673 3674 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3675 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3676 3677 policy = sprstat->sprstat_policy; 3678 if ((stcb != NULL) && 3679 (policy != SCTP_PR_SCTP_NONE) && 3680 ((policy == SCTP_PR_SCTP_ALL) || 3681 (PR_SCTP_VALID_POLICY(policy)))) { 3682 if (policy == SCTP_PR_SCTP_ALL) { 3683 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3684 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3685 } else { 3686 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3687 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3688 } 3689 SCTP_TCB_UNLOCK(stcb); 3690 *optsize = sizeof(struct sctp_prstatus); 3691 } else { 3692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3693 error = EINVAL; 3694 } 3695 break; 3696 } 3697 default: 3698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3699 error = ENOPROTOOPT; 3700 break; 3701 } /* end switch (sopt->sopt_name) */ 3702 if (error) { 3703 *optsize = 0; 3704 } 3705 return (error); 3706} 3707 3708static int 3709sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3710 void *p) 3711{ 3712 int error, set_opt; 3713 uint32_t *mopt; 3714 struct sctp_tcb *stcb = NULL; 3715 struct sctp_inpcb *inp = NULL; 3716 uint32_t vrf_id; 3717 3718 if (optval == NULL) { 3719 SCTP_PRINTF("optval is NULL\n"); 3720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3721 return (EINVAL); 3722 } 3723 inp = (struct sctp_inpcb *)so->so_pcb; 3724 if (inp == NULL) { 3725 SCTP_PRINTF("inp is NULL?\n"); 3726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3727 return (EINVAL); 3728 } 3729 vrf_id = inp->def_vrf_id; 3730 3731 error = 0; 3732 switch (optname) { 3733 case SCTP_NODELAY: 3734 case SCTP_AUTOCLOSE: 3735 case SCTP_AUTO_ASCONF: 3736 case SCTP_EXPLICIT_EOR: 3737 case SCTP_DISABLE_FRAGMENTS: 3738 case SCTP_USE_EXT_RCVINFO: 3739 case SCTP_I_WANT_MAPPED_V4_ADDR: 3740 /* copy in the option value */ 3741 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3742 set_opt = 0; 3743 if (error) 3744 break; 3745 switch (optname) { 3746 case SCTP_DISABLE_FRAGMENTS: 3747 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3748 break; 3749 case SCTP_AUTO_ASCONF: 3750 /* 3751 * NOTE: we don't really support this flag 3752 */ 3753 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3754 /* only valid for bound all sockets */ 3755 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3756 (*mopt != 0)) { 3757 /* forbidden by admin */ 3758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3759 return (EPERM); 3760 } 3761 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3762 } else { 3763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3764 return (EINVAL); 3765 } 3766 break; 3767 case SCTP_EXPLICIT_EOR: 3768 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3769 break; 3770 case SCTP_USE_EXT_RCVINFO: 3771 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3772 break; 3773 case SCTP_I_WANT_MAPPED_V4_ADDR: 3774 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3775 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3776 } else { 3777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3778 return (EINVAL); 3779 } 3780 break; 3781 case SCTP_NODELAY: 3782 set_opt = SCTP_PCB_FLAGS_NODELAY; 3783 break; 3784 case SCTP_AUTOCLOSE: 3785 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3786 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3788 return (EINVAL); 3789 } 3790 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3791 /* 3792 * The value is in ticks. Note this does not effect 3793 * old associations, only new ones. 3794 */ 3795 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3796 break; 3797 } 3798 SCTP_INP_WLOCK(inp); 3799 if (*mopt != 0) { 3800 sctp_feature_on(inp, set_opt); 3801 } else { 3802 sctp_feature_off(inp, set_opt); 3803 } 3804 SCTP_INP_WUNLOCK(inp); 3805 break; 3806 case SCTP_REUSE_PORT: 3807 { 3808 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3809 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3810 /* Can't set it after we are bound */ 3811 error = EINVAL; 3812 break; 3813 } 3814 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3815 /* Can't do this for a 1-m socket */ 3816 error = EINVAL; 3817 break; 3818 } 3819 if (optval) 3820 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3821 else 3822 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3823 break; 3824 } 3825 case SCTP_PARTIAL_DELIVERY_POINT: 3826 { 3827 uint32_t *value; 3828 3829 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3830 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3831 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3832 error = EINVAL; 3833 break; 3834 } 3835 inp->partial_delivery_point = *value; 3836 break; 3837 } 3838 case SCTP_FRAGMENT_INTERLEAVE: 3839 /* not yet until we re-write sctp_recvmsg() */ 3840 { 3841 uint32_t *level; 3842 3843 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3844 if (*level == SCTP_FRAG_LEVEL_2) { 3845 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3846 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3847 } else if (*level == SCTP_FRAG_LEVEL_1) { 3848 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3849 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3850 } else if (*level == SCTP_FRAG_LEVEL_0) { 3851 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3852 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3853 3854 } else { 3855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3856 error = EINVAL; 3857 } 3858 break; 3859 } 3860 case SCTP_CMT_ON_OFF: 3861 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3862 struct sctp_assoc_value *av; 3863 3864 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3865 if (av->assoc_value > SCTP_CMT_MAX) { 3866 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3867 error = EINVAL; 3868 break; 3869 } 3870 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3871 if (stcb) { 3872 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3873 SCTP_TCB_UNLOCK(stcb); 3874 } else { 3875 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3876 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3877 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3878 (av->assoc_id == SCTP_ALL_ASSOC)) { 3879 SCTP_INP_WLOCK(inp); 3880 inp->sctp_cmt_on_off = av->assoc_value; 3881 SCTP_INP_WUNLOCK(inp); 3882 } 3883 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3884 (av->assoc_id == SCTP_ALL_ASSOC)) { 3885 SCTP_INP_RLOCK(inp); 3886 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3887 SCTP_TCB_LOCK(stcb); 3888 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3889 SCTP_TCB_UNLOCK(stcb); 3890 } 3891 SCTP_INP_RUNLOCK(inp); 3892 } 3893 } 3894 } else { 3895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3896 error = ENOPROTOOPT; 3897 } 3898 break; 3899 case SCTP_PLUGGABLE_CC: 3900 { 3901 struct sctp_assoc_value *av; 3902 struct sctp_nets *net; 3903 3904 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3905 if ((av->assoc_value != SCTP_CC_RFC2581) && 3906 (av->assoc_value != SCTP_CC_HSTCP) && 3907 (av->assoc_value != SCTP_CC_HTCP) && 3908 (av->assoc_value != SCTP_CC_RTCC)) { 3909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3910 error = EINVAL; 3911 break; 3912 } 3913 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3914 if (stcb) { 3915 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3916 stcb->asoc.congestion_control_module = av->assoc_value; 3917 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3918 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3919 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3920 } 3921 } 3922 SCTP_TCB_UNLOCK(stcb); 3923 } else { 3924 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3925 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3926 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3927 (av->assoc_id == SCTP_ALL_ASSOC)) { 3928 SCTP_INP_WLOCK(inp); 3929 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3930 SCTP_INP_WUNLOCK(inp); 3931 } 3932 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3933 (av->assoc_id == SCTP_ALL_ASSOC)) { 3934 SCTP_INP_RLOCK(inp); 3935 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3936 SCTP_TCB_LOCK(stcb); 3937 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3938 stcb->asoc.congestion_control_module = av->assoc_value; 3939 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3940 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3941 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3942 } 3943 } 3944 SCTP_TCB_UNLOCK(stcb); 3945 } 3946 SCTP_INP_RUNLOCK(inp); 3947 } 3948 } 3949 break; 3950 } 3951 case SCTP_CC_OPTION: 3952 { 3953 struct sctp_cc_option *cc_opt; 3954 3955 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3956 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3957 if (stcb == NULL) { 3958 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3959 SCTP_INP_RLOCK(inp); 3960 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3961 SCTP_TCB_LOCK(stcb); 3962 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3963 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3964 } 3965 SCTP_TCB_UNLOCK(stcb); 3966 } 3967 SCTP_INP_RUNLOCK(inp); 3968 } else { 3969 error = EINVAL; 3970 } 3971 } else { 3972 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3973 error = ENOTSUP; 3974 } else { 3975 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3976 cc_opt); 3977 } 3978 SCTP_TCB_UNLOCK(stcb); 3979 } 3980 break; 3981 } 3982 case SCTP_PLUGGABLE_SS: 3983 { 3984 struct sctp_assoc_value *av; 3985 3986 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3987 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3988 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3989 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3990 (av->assoc_value != SCTP_SS_PRIORITY) && 3991 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3992 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3994 error = EINVAL; 3995 break; 3996 } 3997 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3998 if (stcb) { 3999 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4000 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4001 stcb->asoc.stream_scheduling_module = av->assoc_value; 4002 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4003 SCTP_TCB_UNLOCK(stcb); 4004 } else { 4005 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4006 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4007 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4008 (av->assoc_id == SCTP_ALL_ASSOC)) { 4009 SCTP_INP_WLOCK(inp); 4010 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4011 SCTP_INP_WUNLOCK(inp); 4012 } 4013 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4014 (av->assoc_id == SCTP_ALL_ASSOC)) { 4015 SCTP_INP_RLOCK(inp); 4016 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4017 SCTP_TCB_LOCK(stcb); 4018 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4019 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4020 stcb->asoc.stream_scheduling_module = av->assoc_value; 4021 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4022 SCTP_TCB_UNLOCK(stcb); 4023 } 4024 SCTP_INP_RUNLOCK(inp); 4025 } 4026 } 4027 break; 4028 } 4029 case SCTP_SS_VALUE: 4030 { 4031 struct sctp_stream_value *av; 4032 4033 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4034 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4035 if (stcb) { 4036 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4037 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4038 av->stream_value) < 0)) { 4039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4040 error = EINVAL; 4041 } 4042 SCTP_TCB_UNLOCK(stcb); 4043 } else { 4044 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4045 SCTP_INP_RLOCK(inp); 4046 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4047 SCTP_TCB_LOCK(stcb); 4048 if (av->stream_id < stcb->asoc.streamoutcnt) { 4049 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4050 &stcb->asoc, 4051 &stcb->asoc.strmout[av->stream_id], 4052 av->stream_value); 4053 } 4054 SCTP_TCB_UNLOCK(stcb); 4055 } 4056 SCTP_INP_RUNLOCK(inp); 4057 4058 } else { 4059 /* 4060 * Can't set stream value without 4061 * association 4062 */ 4063 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4064 error = EINVAL; 4065 } 4066 } 4067 break; 4068 } 4069 case SCTP_CLR_STAT_LOG: 4070 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4071 error = EOPNOTSUPP; 4072 break; 4073 case SCTP_CONTEXT: 4074 { 4075 struct sctp_assoc_value *av; 4076 4077 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4078 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4079 4080 if (stcb) { 4081 stcb->asoc.context = av->assoc_value; 4082 SCTP_TCB_UNLOCK(stcb); 4083 } else { 4084 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4085 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4086 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4087 (av->assoc_id == SCTP_ALL_ASSOC)) { 4088 SCTP_INP_WLOCK(inp); 4089 inp->sctp_context = av->assoc_value; 4090 SCTP_INP_WUNLOCK(inp); 4091 } 4092 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4093 (av->assoc_id == SCTP_ALL_ASSOC)) { 4094 SCTP_INP_RLOCK(inp); 4095 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4096 SCTP_TCB_LOCK(stcb); 4097 stcb->asoc.context = av->assoc_value; 4098 SCTP_TCB_UNLOCK(stcb); 4099 } 4100 SCTP_INP_RUNLOCK(inp); 4101 } 4102 } 4103 break; 4104 } 4105 case SCTP_VRF_ID: 4106 { 4107 uint32_t *default_vrfid; 4108 4109 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4110 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4111 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4112 error = EINVAL; 4113 break; 4114 } 4115 inp->def_vrf_id = *default_vrfid; 4116 break; 4117 } 4118 case SCTP_DEL_VRF_ID: 4119 { 4120 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4121 error = EOPNOTSUPP; 4122 break; 4123 } 4124 case SCTP_ADD_VRF_ID: 4125 { 4126 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4127 error = EOPNOTSUPP; 4128 break; 4129 } 4130 case SCTP_DELAYED_SACK: 4131 { 4132 struct sctp_sack_info *sack; 4133 4134 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4135 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4136 if (sack->sack_delay) { 4137 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4138 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4139 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4140 sack->sack_delay = TICKS_TO_MSEC(1); 4141 } 4142 } 4143 if (stcb) { 4144 if (sack->sack_delay) { 4145 stcb->asoc.delayed_ack = sack->sack_delay; 4146 } 4147 if (sack->sack_freq) { 4148 stcb->asoc.sack_freq = sack->sack_freq; 4149 } 4150 SCTP_TCB_UNLOCK(stcb); 4151 } else { 4152 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4153 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4154 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4155 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4156 SCTP_INP_WLOCK(inp); 4157 if (sack->sack_delay) { 4158 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4159 } 4160 if (sack->sack_freq) { 4161 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4162 } 4163 SCTP_INP_WUNLOCK(inp); 4164 } 4165 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4166 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4167 SCTP_INP_RLOCK(inp); 4168 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4169 SCTP_TCB_LOCK(stcb); 4170 if (sack->sack_delay) { 4171 stcb->asoc.delayed_ack = sack->sack_delay; 4172 } 4173 if (sack->sack_freq) { 4174 stcb->asoc.sack_freq = sack->sack_freq; 4175 } 4176 SCTP_TCB_UNLOCK(stcb); 4177 } 4178 SCTP_INP_RUNLOCK(inp); 4179 } 4180 } 4181 break; 4182 } 4183 case SCTP_AUTH_CHUNK: 4184 { 4185 struct sctp_authchunk *sauth; 4186 4187 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4188 4189 SCTP_INP_WLOCK(inp); 4190 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4191 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4192 error = EINVAL; 4193 } 4194 SCTP_INP_WUNLOCK(inp); 4195 break; 4196 } 4197 case SCTP_AUTH_KEY: 4198 { 4199 struct sctp_authkey *sca; 4200 struct sctp_keyhead *shared_keys; 4201 sctp_sharedkey_t *shared_key; 4202 sctp_key_t *key = NULL; 4203 size_t size; 4204 4205 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4206 if (sca->sca_keylength == 0) { 4207 size = optsize - sizeof(struct sctp_authkey); 4208 } else { 4209 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4210 size = sca->sca_keylength; 4211 } else { 4212 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4213 error = EINVAL; 4214 break; 4215 } 4216 } 4217 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4218 4219 if (stcb) { 4220 shared_keys = &stcb->asoc.shared_keys; 4221 /* clear the cached keys for this key id */ 4222 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4223 /* 4224 * create the new shared key and 4225 * insert/replace it 4226 */ 4227 if (size > 0) { 4228 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4229 if (key == NULL) { 4230 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4231 error = ENOMEM; 4232 SCTP_TCB_UNLOCK(stcb); 4233 break; 4234 } 4235 } 4236 shared_key = sctp_alloc_sharedkey(); 4237 if (shared_key == NULL) { 4238 sctp_free_key(key); 4239 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4240 error = ENOMEM; 4241 SCTP_TCB_UNLOCK(stcb); 4242 break; 4243 } 4244 shared_key->key = key; 4245 shared_key->keyid = sca->sca_keynumber; 4246 error = sctp_insert_sharedkey(shared_keys, shared_key); 4247 SCTP_TCB_UNLOCK(stcb); 4248 } else { 4249 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4250 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4251 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4252 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4253 SCTP_INP_WLOCK(inp); 4254 shared_keys = &inp->sctp_ep.shared_keys; 4255 /* 4256 * clear the cached keys on all 4257 * assocs for this key id 4258 */ 4259 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4260 /* 4261 * create the new shared key and 4262 * insert/replace it 4263 */ 4264 if (size > 0) { 4265 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4266 if (key == NULL) { 4267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4268 error = ENOMEM; 4269 SCTP_INP_WUNLOCK(inp); 4270 break; 4271 } 4272 } 4273 shared_key = sctp_alloc_sharedkey(); 4274 if (shared_key == NULL) { 4275 sctp_free_key(key); 4276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4277 error = ENOMEM; 4278 SCTP_INP_WUNLOCK(inp); 4279 break; 4280 } 4281 shared_key->key = key; 4282 shared_key->keyid = sca->sca_keynumber; 4283 error = sctp_insert_sharedkey(shared_keys, shared_key); 4284 SCTP_INP_WUNLOCK(inp); 4285 } 4286 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4287 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4288 SCTP_INP_RLOCK(inp); 4289 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4290 SCTP_TCB_LOCK(stcb); 4291 shared_keys = &stcb->asoc.shared_keys; 4292 /* 4293 * clear the cached keys for 4294 * this key id 4295 */ 4296 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4297 /* 4298 * create the new shared key 4299 * and insert/replace it 4300 */ 4301 if (size > 0) { 4302 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4303 if (key == NULL) { 4304 SCTP_TCB_UNLOCK(stcb); 4305 continue; 4306 } 4307 } 4308 shared_key = sctp_alloc_sharedkey(); 4309 if (shared_key == NULL) { 4310 sctp_free_key(key); 4311 SCTP_TCB_UNLOCK(stcb); 4312 continue; 4313 } 4314 shared_key->key = key; 4315 shared_key->keyid = sca->sca_keynumber; 4316 error = sctp_insert_sharedkey(shared_keys, shared_key); 4317 SCTP_TCB_UNLOCK(stcb); 4318 } 4319 SCTP_INP_RUNLOCK(inp); 4320 } 4321 } 4322 break; 4323 } 4324 case SCTP_HMAC_IDENT: 4325 { 4326 struct sctp_hmacalgo *shmac; 4327 sctp_hmaclist_t *hmaclist; 4328 uint16_t hmacid; 4329 uint32_t i; 4330 4331 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4332 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4333 (shmac->shmac_number_of_idents > 0xffff)) { 4334 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4335 error = EINVAL; 4336 break; 4337 } 4338 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4339 if (hmaclist == NULL) { 4340 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4341 error = ENOMEM; 4342 break; 4343 } 4344 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4345 hmacid = shmac->shmac_idents[i]; 4346 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4347 /* invalid HMACs were found */ ; 4348 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4349 error = EINVAL; 4350 sctp_free_hmaclist(hmaclist); 4351 goto sctp_set_hmac_done; 4352 } 4353 } 4354 for (i = 0; i < hmaclist->num_algo; i++) { 4355 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4356 /* already in list */ 4357 break; 4358 } 4359 } 4360 if (i == hmaclist->num_algo) { 4361 /* not found in list */ 4362 sctp_free_hmaclist(hmaclist); 4363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4364 error = EINVAL; 4365 break; 4366 } 4367 /* set it on the endpoint */ 4368 SCTP_INP_WLOCK(inp); 4369 if (inp->sctp_ep.local_hmacs) 4370 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4371 inp->sctp_ep.local_hmacs = hmaclist; 4372 SCTP_INP_WUNLOCK(inp); 4373 sctp_set_hmac_done: 4374 break; 4375 } 4376 case SCTP_AUTH_ACTIVE_KEY: 4377 { 4378 struct sctp_authkeyid *scact; 4379 4380 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4381 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4382 4383 /* set the active key on the right place */ 4384 if (stcb) { 4385 /* set the active key on the assoc */ 4386 if (sctp_auth_setactivekey(stcb, 4387 scact->scact_keynumber)) { 4388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4389 SCTP_FROM_SCTP_USRREQ, 4390 EINVAL); 4391 error = EINVAL; 4392 } 4393 SCTP_TCB_UNLOCK(stcb); 4394 } else { 4395 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4396 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4397 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4398 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4399 SCTP_INP_WLOCK(inp); 4400 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4402 error = EINVAL; 4403 } 4404 SCTP_INP_WUNLOCK(inp); 4405 } 4406 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4407 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4408 SCTP_INP_RLOCK(inp); 4409 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4410 SCTP_TCB_LOCK(stcb); 4411 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4412 SCTP_TCB_UNLOCK(stcb); 4413 } 4414 SCTP_INP_RUNLOCK(inp); 4415 } 4416 } 4417 break; 4418 } 4419 case SCTP_AUTH_DELETE_KEY: 4420 { 4421 struct sctp_authkeyid *scdel; 4422 4423 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4424 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4425 4426 /* delete the key from the right place */ 4427 if (stcb) { 4428 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4430 error = EINVAL; 4431 } 4432 SCTP_TCB_UNLOCK(stcb); 4433 } else { 4434 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4435 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4436 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4437 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4438 SCTP_INP_WLOCK(inp); 4439 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4440 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4441 error = EINVAL; 4442 } 4443 SCTP_INP_WUNLOCK(inp); 4444 } 4445 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4446 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4447 SCTP_INP_RLOCK(inp); 4448 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4449 SCTP_TCB_LOCK(stcb); 4450 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4451 SCTP_TCB_UNLOCK(stcb); 4452 } 4453 SCTP_INP_RUNLOCK(inp); 4454 } 4455 } 4456 break; 4457 } 4458 case SCTP_AUTH_DEACTIVATE_KEY: 4459 { 4460 struct sctp_authkeyid *keyid; 4461 4462 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4463 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4464 4465 /* deactivate the key from the right place */ 4466 if (stcb) { 4467 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4468 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4469 error = EINVAL; 4470 } 4471 SCTP_TCB_UNLOCK(stcb); 4472 } else { 4473 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4474 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4475 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4476 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4477 SCTP_INP_WLOCK(inp); 4478 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4479 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4480 error = EINVAL; 4481 } 4482 SCTP_INP_WUNLOCK(inp); 4483 } 4484 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4485 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4486 SCTP_INP_RLOCK(inp); 4487 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4488 SCTP_TCB_LOCK(stcb); 4489 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4490 SCTP_TCB_UNLOCK(stcb); 4491 } 4492 SCTP_INP_RUNLOCK(inp); 4493 } 4494 } 4495 break; 4496 } 4497 case SCTP_ENABLE_STREAM_RESET: 4498 { 4499 struct sctp_assoc_value *av; 4500 4501 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4502 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4504 error = EINVAL; 4505 break; 4506 } 4507 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4508 if (stcb) { 4509 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4510 SCTP_TCB_UNLOCK(stcb); 4511 } else { 4512 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4513 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4514 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4515 (av->assoc_id == SCTP_ALL_ASSOC)) { 4516 SCTP_INP_WLOCK(inp); 4517 inp->local_strreset_support = (uint8_t) av->assoc_value; 4518 SCTP_INP_WUNLOCK(inp); 4519 } 4520 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4521 (av->assoc_id == SCTP_ALL_ASSOC)) { 4522 SCTP_INP_RLOCK(inp); 4523 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4524 SCTP_TCB_LOCK(stcb); 4525 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4526 SCTP_TCB_UNLOCK(stcb); 4527 } 4528 SCTP_INP_RUNLOCK(inp); 4529 } 4530 } 4531 break; 4532 } 4533 case SCTP_RESET_STREAMS: 4534 { 4535 struct sctp_reset_streams *strrst; 4536 int i, send_out = 0; 4537 int send_in = 0; 4538 4539 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4540 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4541 if (stcb == NULL) { 4542 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4543 error = ENOENT; 4544 break; 4545 } 4546 if (stcb->asoc.reconfig_supported == 0) { 4547 /* 4548 * Peer does not support the chunk type. 4549 */ 4550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4551 error = EOPNOTSUPP; 4552 SCTP_TCB_UNLOCK(stcb); 4553 break; 4554 } 4555 if (sizeof(struct sctp_reset_streams) + 4556 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4557 error = EINVAL; 4558 SCTP_TCB_UNLOCK(stcb); 4559 break; 4560 } 4561 if (stcb->asoc.stream_reset_outstanding) { 4562 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4563 error = EALREADY; 4564 SCTP_TCB_UNLOCK(stcb); 4565 break; 4566 } 4567 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4568 send_in = 1; 4569 } 4570 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4571 send_out = 1; 4572 } 4573 if ((send_in == 0) && (send_out == 0)) { 4574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4575 error = EINVAL; 4576 SCTP_TCB_UNLOCK(stcb); 4577 break; 4578 } 4579 for (i = 0; i < strrst->srs_number_streams; i++) { 4580 if ((send_in) && 4581 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4583 error = EINVAL; 4584 break; 4585 } 4586 if ((send_out) && 4587 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4588 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4589 error = EINVAL; 4590 break; 4591 } 4592 } 4593 if (error) { 4594 SCTP_TCB_UNLOCK(stcb); 4595 break; 4596 } 4597 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4598 strrst->srs_stream_list, 4599 send_out, send_in, 0, 0, 0, 0, 0); 4600 4601 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4602 SCTP_TCB_UNLOCK(stcb); 4603 break; 4604 } 4605 case SCTP_ADD_STREAMS: 4606 { 4607 struct sctp_add_streams *stradd; 4608 uint8_t addstream = 0; 4609 uint16_t add_o_strmcnt = 0; 4610 uint16_t add_i_strmcnt = 0; 4611 4612 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4613 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4614 if (stcb == NULL) { 4615 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4616 error = ENOENT; 4617 break; 4618 } 4619 if (stcb->asoc.reconfig_supported == 0) { 4620 /* 4621 * Peer does not support the chunk type. 4622 */ 4623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4624 error = EOPNOTSUPP; 4625 SCTP_TCB_UNLOCK(stcb); 4626 break; 4627 } 4628 if (stcb->asoc.stream_reset_outstanding) { 4629 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4630 error = EALREADY; 4631 SCTP_TCB_UNLOCK(stcb); 4632 break; 4633 } 4634 if ((stradd->sas_outstrms == 0) && 4635 (stradd->sas_instrms == 0)) { 4636 error = EINVAL; 4637 goto skip_stuff; 4638 } 4639 if (stradd->sas_outstrms) { 4640 addstream = 1; 4641 /* We allocate here */ 4642 add_o_strmcnt = stradd->sas_outstrms; 4643 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4644 /* You can't have more than 64k */ 4645 error = EINVAL; 4646 goto skip_stuff; 4647 } 4648 } 4649 if (stradd->sas_instrms) { 4650 int cnt; 4651 4652 addstream |= 2; 4653 /* 4654 * We allocate inside 4655 * sctp_send_str_reset_req() 4656 */ 4657 add_i_strmcnt = stradd->sas_instrms; 4658 cnt = add_i_strmcnt; 4659 cnt += stcb->asoc.streamincnt; 4660 if (cnt > 0x0000ffff) { 4661 /* You can't have more than 64k */ 4662 error = EINVAL; 4663 goto skip_stuff; 4664 } 4665 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4666 /* More than you are allowed */ 4667 error = EINVAL; 4668 goto skip_stuff; 4669 } 4670 } 4671 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4672 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4673 skip_stuff: 4674 SCTP_TCB_UNLOCK(stcb); 4675 break; 4676 } 4677 case SCTP_RESET_ASSOC: 4678 { 4679 uint32_t *value; 4680 4681 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4682 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4683 if (stcb == NULL) { 4684 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4685 error = ENOENT; 4686 break; 4687 } 4688 if (stcb->asoc.reconfig_supported == 0) { 4689 /* 4690 * Peer does not support the chunk type. 4691 */ 4692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4693 error = EOPNOTSUPP; 4694 SCTP_TCB_UNLOCK(stcb); 4695 break; 4696 } 4697 if (stcb->asoc.stream_reset_outstanding) { 4698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4699 error = EALREADY; 4700 SCTP_TCB_UNLOCK(stcb); 4701 break; 4702 } 4703 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4704 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4705 SCTP_TCB_UNLOCK(stcb); 4706 break; 4707 } 4708 case SCTP_CONNECT_X: 4709 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4711 error = EINVAL; 4712 break; 4713 } 4714 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4715 break; 4716 case SCTP_CONNECT_X_DELAYED: 4717 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4719 error = EINVAL; 4720 break; 4721 } 4722 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4723 break; 4724 case SCTP_CONNECT_X_COMPLETE: 4725 { 4726 struct sockaddr *sa; 4727 struct sctp_nets *net; 4728 4729 /* FIXME MT: check correct? */ 4730 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4731 4732 /* find tcb */ 4733 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4734 SCTP_INP_RLOCK(inp); 4735 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4736 if (stcb) { 4737 SCTP_TCB_LOCK(stcb); 4738 net = sctp_findnet(stcb, sa); 4739 } 4740 SCTP_INP_RUNLOCK(inp); 4741 } else { 4742 /* 4743 * We increment here since 4744 * sctp_findassociation_ep_addr() wil do a 4745 * decrement if it finds the stcb as long as 4746 * the locked tcb (last argument) is NOT a 4747 * TCB.. aka NULL. 4748 */ 4749 SCTP_INP_INCR_REF(inp); 4750 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4751 if (stcb == NULL) { 4752 SCTP_INP_DECR_REF(inp); 4753 } 4754 } 4755 4756 if (stcb == NULL) { 4757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4758 error = ENOENT; 4759 break; 4760 } 4761 if (stcb->asoc.delayed_connection == 1) { 4762 stcb->asoc.delayed_connection = 0; 4763 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4764 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4765 stcb->asoc.primary_destination, 4766 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4767 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4768 } else { 4769 /* 4770 * already expired or did not use delayed 4771 * connectx 4772 */ 4773 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4774 error = EALREADY; 4775 } 4776 SCTP_TCB_UNLOCK(stcb); 4777 break; 4778 } 4779 case SCTP_MAX_BURST: 4780 { 4781 struct sctp_assoc_value *av; 4782 4783 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4784 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4785 4786 if (stcb) { 4787 stcb->asoc.max_burst = av->assoc_value; 4788 SCTP_TCB_UNLOCK(stcb); 4789 } else { 4790 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4791 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4792 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4793 (av->assoc_id == SCTP_ALL_ASSOC)) { 4794 SCTP_INP_WLOCK(inp); 4795 inp->sctp_ep.max_burst = av->assoc_value; 4796 SCTP_INP_WUNLOCK(inp); 4797 } 4798 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4799 (av->assoc_id == SCTP_ALL_ASSOC)) { 4800 SCTP_INP_RLOCK(inp); 4801 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4802 SCTP_TCB_LOCK(stcb); 4803 stcb->asoc.max_burst = av->assoc_value; 4804 SCTP_TCB_UNLOCK(stcb); 4805 } 4806 SCTP_INP_RUNLOCK(inp); 4807 } 4808 } 4809 break; 4810 } 4811 case SCTP_MAXSEG: 4812 { 4813 struct sctp_assoc_value *av; 4814 int ovh; 4815 4816 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4817 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4818 4819 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4820 ovh = SCTP_MED_OVERHEAD; 4821 } else { 4822 ovh = SCTP_MED_V4_OVERHEAD; 4823 } 4824 if (stcb) { 4825 if (av->assoc_value) { 4826 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4827 } else { 4828 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4829 } 4830 SCTP_TCB_UNLOCK(stcb); 4831 } else { 4832 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4833 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4834 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4835 SCTP_INP_WLOCK(inp); 4836 /* 4837 * FIXME MT: I think this is not in 4838 * tune with the API ID 4839 */ 4840 if (av->assoc_value) { 4841 inp->sctp_frag_point = (av->assoc_value + ovh); 4842 } else { 4843 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4844 } 4845 SCTP_INP_WUNLOCK(inp); 4846 } else { 4847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4848 error = EINVAL; 4849 } 4850 } 4851 break; 4852 } 4853 case SCTP_EVENTS: 4854 { 4855 struct sctp_event_subscribe *events; 4856 4857 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4858 4859 SCTP_INP_WLOCK(inp); 4860 if (events->sctp_data_io_event) { 4861 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4862 } else { 4863 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4864 } 4865 4866 if (events->sctp_association_event) { 4867 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4868 } else { 4869 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4870 } 4871 4872 if (events->sctp_address_event) { 4873 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4874 } else { 4875 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4876 } 4877 4878 if (events->sctp_send_failure_event) { 4879 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4880 } else { 4881 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4882 } 4883 4884 if (events->sctp_peer_error_event) { 4885 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4886 } else { 4887 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4888 } 4889 4890 if (events->sctp_shutdown_event) { 4891 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4892 } else { 4893 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4894 } 4895 4896 if (events->sctp_partial_delivery_event) { 4897 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4898 } else { 4899 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4900 } 4901 4902 if (events->sctp_adaptation_layer_event) { 4903 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4904 } else { 4905 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4906 } 4907 4908 if (events->sctp_authentication_event) { 4909 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4910 } else { 4911 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4912 } 4913 4914 if (events->sctp_sender_dry_event) { 4915 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4916 } else { 4917 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4918 } 4919 4920 if (events->sctp_stream_reset_event) { 4921 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4922 } else { 4923 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4924 } 4925 SCTP_INP_WUNLOCK(inp); 4926 4927 SCTP_INP_RLOCK(inp); 4928 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4929 SCTP_TCB_LOCK(stcb); 4930 if (events->sctp_association_event) { 4931 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4932 } else { 4933 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4934 } 4935 if (events->sctp_address_event) { 4936 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4937 } else { 4938 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4939 } 4940 if (events->sctp_send_failure_event) { 4941 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4942 } else { 4943 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4944 } 4945 if (events->sctp_peer_error_event) { 4946 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4947 } else { 4948 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4949 } 4950 if (events->sctp_shutdown_event) { 4951 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4952 } else { 4953 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4954 } 4955 if (events->sctp_partial_delivery_event) { 4956 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4957 } else { 4958 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4959 } 4960 if (events->sctp_adaptation_layer_event) { 4961 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4962 } else { 4963 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4964 } 4965 if (events->sctp_authentication_event) { 4966 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4967 } else { 4968 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4969 } 4970 if (events->sctp_sender_dry_event) { 4971 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4972 } else { 4973 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4974 } 4975 if (events->sctp_stream_reset_event) { 4976 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4977 } else { 4978 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4979 } 4980 SCTP_TCB_UNLOCK(stcb); 4981 } 4982 /* 4983 * Send up the sender dry event only for 1-to-1 4984 * style sockets. 4985 */ 4986 if (events->sctp_sender_dry_event) { 4987 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4988 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4989 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4990 if (stcb) { 4991 SCTP_TCB_LOCK(stcb); 4992 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4993 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4994 (stcb->asoc.stream_queue_cnt == 0)) { 4995 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4996 } 4997 SCTP_TCB_UNLOCK(stcb); 4998 } 4999 } 5000 } 5001 SCTP_INP_RUNLOCK(inp); 5002 break; 5003 } 5004 case SCTP_ADAPTATION_LAYER: 5005 { 5006 struct sctp_setadaptation *adap_bits; 5007 5008 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5009 SCTP_INP_WLOCK(inp); 5010 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5011 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5012 SCTP_INP_WUNLOCK(inp); 5013 break; 5014 } 5015#ifdef SCTP_DEBUG 5016 case SCTP_SET_INITIAL_DBG_SEQ: 5017 { 5018 uint32_t *vvv; 5019 5020 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5021 SCTP_INP_WLOCK(inp); 5022 inp->sctp_ep.initial_sequence_debug = *vvv; 5023 SCTP_INP_WUNLOCK(inp); 5024 break; 5025 } 5026#endif 5027 case SCTP_DEFAULT_SEND_PARAM: 5028 { 5029 struct sctp_sndrcvinfo *s_info; 5030 5031 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5032 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5033 5034 if (stcb) { 5035 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5036 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5037 } else { 5038 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5039 error = EINVAL; 5040 } 5041 SCTP_TCB_UNLOCK(stcb); 5042 } else { 5043 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5044 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5045 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5046 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5047 SCTP_INP_WLOCK(inp); 5048 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5049 SCTP_INP_WUNLOCK(inp); 5050 } 5051 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5052 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5053 SCTP_INP_RLOCK(inp); 5054 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5055 SCTP_TCB_LOCK(stcb); 5056 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5057 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5058 } 5059 SCTP_TCB_UNLOCK(stcb); 5060 } 5061 SCTP_INP_RUNLOCK(inp); 5062 } 5063 } 5064 break; 5065 } 5066 case SCTP_PEER_ADDR_PARAMS: 5067 { 5068 struct sctp_paddrparams *paddrp; 5069 struct sctp_nets *net; 5070 struct sockaddr *addr; 5071 5072#if defined(INET) && defined(INET6) 5073 struct sockaddr_in sin_store; 5074 5075#endif 5076 5077 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5078 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5079 5080#if defined(INET) && defined(INET6) 5081 if (paddrp->spp_address.ss_family == AF_INET6) { 5082 struct sockaddr_in6 *sin6; 5083 5084 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5085 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5086 in6_sin6_2_sin(&sin_store, sin6); 5087 addr = (struct sockaddr *)&sin_store; 5088 } else { 5089 addr = (struct sockaddr *)&paddrp->spp_address; 5090 } 5091 } else { 5092 addr = (struct sockaddr *)&paddrp->spp_address; 5093 } 5094#else 5095 addr = (struct sockaddr *)&paddrp->spp_address; 5096#endif 5097 if (stcb != NULL) { 5098 net = sctp_findnet(stcb, addr); 5099 } else { 5100 /* 5101 * We increment here since 5102 * sctp_findassociation_ep_addr() wil do a 5103 * decrement if it finds the stcb as long as 5104 * the locked tcb (last argument) is NOT a 5105 * TCB.. aka NULL. 5106 */ 5107 net = NULL; 5108 SCTP_INP_INCR_REF(inp); 5109 stcb = sctp_findassociation_ep_addr(&inp, addr, 5110 &net, NULL, NULL); 5111 if (stcb == NULL) { 5112 SCTP_INP_DECR_REF(inp); 5113 } 5114 } 5115 if ((stcb != NULL) && (net == NULL)) { 5116#ifdef INET 5117 if (addr->sa_family == AF_INET) { 5118 5119 struct sockaddr_in *sin; 5120 5121 sin = (struct sockaddr_in *)addr; 5122 if (sin->sin_addr.s_addr != INADDR_ANY) { 5123 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5124 SCTP_TCB_UNLOCK(stcb); 5125 error = EINVAL; 5126 break; 5127 } 5128 } else 5129#endif 5130#ifdef INET6 5131 if (addr->sa_family == AF_INET6) { 5132 struct sockaddr_in6 *sin6; 5133 5134 sin6 = (struct sockaddr_in6 *)addr; 5135 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5136 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5137 SCTP_TCB_UNLOCK(stcb); 5138 error = EINVAL; 5139 break; 5140 } 5141 } else 5142#endif 5143 { 5144 error = EAFNOSUPPORT; 5145 SCTP_TCB_UNLOCK(stcb); 5146 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5147 break; 5148 } 5149 } 5150 /* sanity checks */ 5151 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5152 if (stcb) 5153 SCTP_TCB_UNLOCK(stcb); 5154 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5155 return (EINVAL); 5156 } 5157 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5158 if (stcb) 5159 SCTP_TCB_UNLOCK(stcb); 5160 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5161 return (EINVAL); 5162 } 5163 if (stcb != NULL) { 5164 /************************TCB SPECIFIC SET ******************/ 5165 /* 5166 * do we change the timer for HB, we run 5167 * only one? 5168 */ 5169 int ovh = 0; 5170 5171 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5172 ovh = SCTP_MED_OVERHEAD; 5173 } else { 5174 ovh = SCTP_MED_V4_OVERHEAD; 5175 } 5176 5177 /* network sets ? */ 5178 if (net != NULL) { 5179 /************************NET SPECIFIC SET ******************/ 5180 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5181 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5182 !(net->dest_state & SCTP_ADDR_NOHB)) { 5183 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5184 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5185 } 5186 net->dest_state |= SCTP_ADDR_NOHB; 5187 } 5188 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5189 if (paddrp->spp_hbinterval) { 5190 net->heart_beat_delay = paddrp->spp_hbinterval; 5191 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5192 net->heart_beat_delay = 0; 5193 } 5194 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5195 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5196 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5197 net->dest_state &= ~SCTP_ADDR_NOHB; 5198 } 5199 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5200 /* on demand HB */ 5201 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5202 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5203 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5204 } 5205 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5206 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5207 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5208 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5209 } 5210 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5211 net->mtu = paddrp->spp_pathmtu + ovh; 5212 if (net->mtu < stcb->asoc.smallest_mtu) { 5213 sctp_pathmtu_adjustment(stcb, net->mtu); 5214 } 5215 } 5216 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5217 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5218 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5219 } 5220 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5221 } 5222 if (paddrp->spp_pathmaxrxt) { 5223 if (net->dest_state & SCTP_ADDR_PF) { 5224 if (net->error_count > paddrp->spp_pathmaxrxt) { 5225 net->dest_state &= ~SCTP_ADDR_PF; 5226 } 5227 } else { 5228 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5229 (net->error_count > net->pf_threshold)) { 5230 net->dest_state |= SCTP_ADDR_PF; 5231 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5232 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5233 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5234 } 5235 } 5236 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5237 if (net->error_count > paddrp->spp_pathmaxrxt) { 5238 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5239 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5240 } 5241 } else { 5242 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5243 net->dest_state |= SCTP_ADDR_REACHABLE; 5244 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5245 } 5246 } 5247 net->failure_threshold = paddrp->spp_pathmaxrxt; 5248 } 5249 if (paddrp->spp_flags & SPP_DSCP) { 5250 net->dscp = paddrp->spp_dscp & 0xfc; 5251 net->dscp |= 0x01; 5252 } 5253#ifdef INET6 5254 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5255 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5256 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5257 net->flowlabel |= 0x80000000; 5258 } 5259 } 5260#endif 5261 } else { 5262 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5263 if (paddrp->spp_pathmaxrxt != 0) { 5264 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5265 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5266 if (net->dest_state & SCTP_ADDR_PF) { 5267 if (net->error_count > paddrp->spp_pathmaxrxt) { 5268 net->dest_state &= ~SCTP_ADDR_PF; 5269 } 5270 } else { 5271 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5272 (net->error_count > net->pf_threshold)) { 5273 net->dest_state |= SCTP_ADDR_PF; 5274 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5275 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5276 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5277 } 5278 } 5279 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5280 if (net->error_count > paddrp->spp_pathmaxrxt) { 5281 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5282 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5283 } 5284 } else { 5285 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5286 net->dest_state |= SCTP_ADDR_REACHABLE; 5287 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5288 } 5289 } 5290 net->failure_threshold = paddrp->spp_pathmaxrxt; 5291 } 5292 } 5293 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5294 if (paddrp->spp_hbinterval != 0) { 5295 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5296 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5297 stcb->asoc.heart_beat_delay = 0; 5298 } 5299 /* Turn back on the timer */ 5300 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5301 if (paddrp->spp_hbinterval != 0) { 5302 net->heart_beat_delay = paddrp->spp_hbinterval; 5303 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5304 net->heart_beat_delay = 0; 5305 } 5306 if (net->dest_state & SCTP_ADDR_NOHB) { 5307 net->dest_state &= ~SCTP_ADDR_NOHB; 5308 } 5309 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5310 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5311 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5312 } 5313 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5314 } 5315 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5316 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5317 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5318 net->dest_state |= SCTP_ADDR_NOHB; 5319 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5320 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5321 } 5322 } 5323 } 5324 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5325 } 5326 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5327 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5328 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5329 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5330 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5331 } 5332 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5333 net->mtu = paddrp->spp_pathmtu + ovh; 5334 if (net->mtu < stcb->asoc.smallest_mtu) { 5335 sctp_pathmtu_adjustment(stcb, net->mtu); 5336 } 5337 } 5338 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5339 } 5340 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5341 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5342 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5343 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5344 } 5345 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5346 } 5347 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5348 } 5349 if (paddrp->spp_flags & SPP_DSCP) { 5350 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5351 net->dscp = paddrp->spp_dscp & 0xfc; 5352 net->dscp |= 0x01; 5353 } 5354 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5355 stcb->asoc.default_dscp |= 0x01; 5356 } 5357#ifdef INET6 5358 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5359 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5360 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5361 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5362 net->flowlabel |= 0x80000000; 5363 } 5364 } 5365 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5366 stcb->asoc.default_flowlabel |= 0x80000000; 5367 } 5368#endif 5369 } 5370 SCTP_TCB_UNLOCK(stcb); 5371 } else { 5372 /************************NO TCB, SET TO default stuff ******************/ 5373 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5374 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5375 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5376 SCTP_INP_WLOCK(inp); 5377 /* 5378 * For the TOS/FLOWLABEL stuff you 5379 * set it with the options on the 5380 * socket 5381 */ 5382 if (paddrp->spp_pathmaxrxt != 0) { 5383 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5384 } 5385 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5386 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5387 else if (paddrp->spp_hbinterval != 0) { 5388 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5389 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5390 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5391 } 5392 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5393 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5394 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5395 } else if (paddrp->spp_hbinterval) { 5396 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5397 } 5398 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5399 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5400 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5401 } 5402 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5403 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5404 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5405 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5406 } 5407 if (paddrp->spp_flags & SPP_DSCP) { 5408 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5409 inp->sctp_ep.default_dscp |= 0x01; 5410 } 5411#ifdef INET6 5412 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5413 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5414 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5415 inp->sctp_ep.default_flowlabel |= 0x80000000; 5416 } 5417 } 5418#endif 5419 SCTP_INP_WUNLOCK(inp); 5420 } else { 5421 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5422 error = EINVAL; 5423 } 5424 } 5425 break; 5426 } 5427 case SCTP_RTOINFO: 5428 { 5429 struct sctp_rtoinfo *srto; 5430 uint32_t new_init, new_min, new_max; 5431 5432 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5433 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5434 5435 if (stcb) { 5436 if (srto->srto_initial) 5437 new_init = srto->srto_initial; 5438 else 5439 new_init = stcb->asoc.initial_rto; 5440 if (srto->srto_max) 5441 new_max = srto->srto_max; 5442 else 5443 new_max = stcb->asoc.maxrto; 5444 if (srto->srto_min) 5445 new_min = srto->srto_min; 5446 else 5447 new_min = stcb->asoc.minrto; 5448 if ((new_min <= new_init) && (new_init <= new_max)) { 5449 stcb->asoc.initial_rto = new_init; 5450 stcb->asoc.maxrto = new_max; 5451 stcb->asoc.minrto = new_min; 5452 } else { 5453 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5454 error = EINVAL; 5455 } 5456 SCTP_TCB_UNLOCK(stcb); 5457 } else { 5458 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5459 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5460 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5461 SCTP_INP_WLOCK(inp); 5462 if (srto->srto_initial) 5463 new_init = srto->srto_initial; 5464 else 5465 new_init = inp->sctp_ep.initial_rto; 5466 if (srto->srto_max) 5467 new_max = srto->srto_max; 5468 else 5469 new_max = inp->sctp_ep.sctp_maxrto; 5470 if (srto->srto_min) 5471 new_min = srto->srto_min; 5472 else 5473 new_min = inp->sctp_ep.sctp_minrto; 5474 if ((new_min <= new_init) && (new_init <= new_max)) { 5475 inp->sctp_ep.initial_rto = new_init; 5476 inp->sctp_ep.sctp_maxrto = new_max; 5477 inp->sctp_ep.sctp_minrto = new_min; 5478 } else { 5479 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5480 error = EINVAL; 5481 } 5482 SCTP_INP_WUNLOCK(inp); 5483 } else { 5484 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5485 error = EINVAL; 5486 } 5487 } 5488 break; 5489 } 5490 case SCTP_ASSOCINFO: 5491 { 5492 struct sctp_assocparams *sasoc; 5493 5494 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5495 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5496 if (sasoc->sasoc_cookie_life) { 5497 /* boundary check the cookie life */ 5498 if (sasoc->sasoc_cookie_life < 1000) 5499 sasoc->sasoc_cookie_life = 1000; 5500 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5501 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5502 } 5503 } 5504 if (stcb) { 5505 if (sasoc->sasoc_asocmaxrxt) 5506 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5507 if (sasoc->sasoc_cookie_life) { 5508 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5509 } 5510 SCTP_TCB_UNLOCK(stcb); 5511 } else { 5512 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5513 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5514 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5515 SCTP_INP_WLOCK(inp); 5516 if (sasoc->sasoc_asocmaxrxt) 5517 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5518 if (sasoc->sasoc_cookie_life) { 5519 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5520 } 5521 SCTP_INP_WUNLOCK(inp); 5522 } else { 5523 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5524 error = EINVAL; 5525 } 5526 } 5527 break; 5528 } 5529 case SCTP_INITMSG: 5530 { 5531 struct sctp_initmsg *sinit; 5532 5533 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5534 SCTP_INP_WLOCK(inp); 5535 if (sinit->sinit_num_ostreams) 5536 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5537 5538 if (sinit->sinit_max_instreams) 5539 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5540 5541 if (sinit->sinit_max_attempts) 5542 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5543 5544 if (sinit->sinit_max_init_timeo) 5545 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5546 SCTP_INP_WUNLOCK(inp); 5547 break; 5548 } 5549 case SCTP_PRIMARY_ADDR: 5550 { 5551 struct sctp_setprim *spa; 5552 struct sctp_nets *net; 5553 struct sockaddr *addr; 5554 5555#if defined(INET) && defined(INET6) 5556 struct sockaddr_in sin_store; 5557 5558#endif 5559 5560 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5561 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5562 5563#if defined(INET) && defined(INET6) 5564 if (spa->ssp_addr.ss_family == AF_INET6) { 5565 struct sockaddr_in6 *sin6; 5566 5567 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5568 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5569 in6_sin6_2_sin(&sin_store, sin6); 5570 addr = (struct sockaddr *)&sin_store; 5571 } else { 5572 addr = (struct sockaddr *)&spa->ssp_addr; 5573 } 5574 } else { 5575 addr = (struct sockaddr *)&spa->ssp_addr; 5576 } 5577#else 5578 addr = (struct sockaddr *)&spa->ssp_addr; 5579#endif 5580 if (stcb != NULL) { 5581 net = sctp_findnet(stcb, addr); 5582 } else { 5583 /* 5584 * We increment here since 5585 * sctp_findassociation_ep_addr() wil do a 5586 * decrement if it finds the stcb as long as 5587 * the locked tcb (last argument) is NOT a 5588 * TCB.. aka NULL. 5589 */ 5590 net = NULL; 5591 SCTP_INP_INCR_REF(inp); 5592 stcb = sctp_findassociation_ep_addr(&inp, addr, 5593 &net, NULL, NULL); 5594 if (stcb == NULL) { 5595 SCTP_INP_DECR_REF(inp); 5596 } 5597 } 5598 5599 if ((stcb != NULL) && (net != NULL)) { 5600 if ((net != stcb->asoc.primary_destination) && 5601 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5602 /* Ok we need to set it */ 5603 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5604 if ((stcb->asoc.alternate) && 5605 (!(net->dest_state & SCTP_ADDR_PF)) && 5606 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5607 sctp_free_remote_addr(stcb->asoc.alternate); 5608 stcb->asoc.alternate = NULL; 5609 } 5610 } 5611 } 5612 } else { 5613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5614 error = EINVAL; 5615 } 5616 if (stcb != NULL) { 5617 SCTP_TCB_UNLOCK(stcb); 5618 } 5619 break; 5620 } 5621 case SCTP_SET_DYNAMIC_PRIMARY: 5622 { 5623 union sctp_sockstore *ss; 5624 5625 error = priv_check(curthread, 5626 PRIV_NETINET_RESERVEDPORT); 5627 if (error) 5628 break; 5629 5630 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5631 /* SUPER USER CHECK? */ 5632 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5633 break; 5634 } 5635 case SCTP_SET_PEER_PRIMARY_ADDR: 5636 { 5637 struct sctp_setpeerprim *sspp; 5638 struct sockaddr *addr; 5639 5640#if defined(INET) && defined(INET6) 5641 struct sockaddr_in sin_store; 5642 5643#endif 5644 5645 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5646 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5647 if (stcb != NULL) { 5648 struct sctp_ifa *ifa; 5649 5650#if defined(INET) && defined(INET6) 5651 if (sspp->sspp_addr.ss_family == AF_INET6) { 5652 struct sockaddr_in6 *sin6; 5653 5654 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5655 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5656 in6_sin6_2_sin(&sin_store, sin6); 5657 addr = (struct sockaddr *)&sin_store; 5658 } else { 5659 addr = (struct sockaddr *)&sspp->sspp_addr; 5660 } 5661 } else { 5662 addr = (struct sockaddr *)&sspp->sspp_addr; 5663 } 5664#else 5665 addr = (struct sockaddr *)&sspp->sspp_addr; 5666#endif 5667 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5668 if (ifa == NULL) { 5669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5670 error = EINVAL; 5671 goto out_of_it; 5672 } 5673 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5674 /* 5675 * Must validate the ifa found is in 5676 * our ep 5677 */ 5678 struct sctp_laddr *laddr; 5679 int found = 0; 5680 5681 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5682 if (laddr->ifa == NULL) { 5683 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5684 __FUNCTION__); 5685 continue; 5686 } 5687 if (laddr->ifa == ifa) { 5688 found = 1; 5689 break; 5690 } 5691 } 5692 if (!found) { 5693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5694 error = EINVAL; 5695 goto out_of_it; 5696 } 5697 } else { 5698 switch (addr->sa_family) { 5699#ifdef INET 5700 case AF_INET: 5701 { 5702 struct sockaddr_in *sin; 5703 5704 sin = (struct sockaddr_in *)addr; 5705 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5706 &sin->sin_addr) != 0) { 5707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5708 error = EINVAL; 5709 goto out_of_it; 5710 } 5711 break; 5712 } 5713#endif 5714#ifdef INET6 5715 case AF_INET6: 5716 { 5717 struct sockaddr_in6 *sin6; 5718 5719 sin6 = (struct sockaddr_in6 *)addr; 5720 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5721 &sin6->sin6_addr) != 0) { 5722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5723 error = EINVAL; 5724 goto out_of_it; 5725 } 5726 break; 5727 } 5728#endif 5729 default: 5730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5731 error = EINVAL; 5732 goto out_of_it; 5733 } 5734 } 5735 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5736 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5737 error = EINVAL; 5738 } 5739 out_of_it: 5740 SCTP_TCB_UNLOCK(stcb); 5741 } else { 5742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5743 error = EINVAL; 5744 } 5745 break; 5746 } 5747 case SCTP_BINDX_ADD_ADDR: 5748 { 5749 struct sctp_getaddresses *addrs; 5750 struct thread *td; 5751 5752 td = (struct thread *)p; 5753 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5754 optsize); 5755#ifdef INET 5756 if (addrs->addr->sa_family == AF_INET) { 5757 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5759 error = EINVAL; 5760 break; 5761 } 5762 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5763 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5764 break; 5765 } 5766 } else 5767#endif 5768#ifdef INET6 5769 if (addrs->addr->sa_family == AF_INET6) { 5770 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5772 error = EINVAL; 5773 break; 5774 } 5775 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5776 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5777 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5778 break; 5779 } 5780 } else 5781#endif 5782 { 5783 error = EAFNOSUPPORT; 5784 break; 5785 } 5786 sctp_bindx_add_address(so, inp, addrs->addr, 5787 addrs->sget_assoc_id, vrf_id, 5788 &error, p); 5789 break; 5790 } 5791 case SCTP_BINDX_REM_ADDR: 5792 { 5793 struct sctp_getaddresses *addrs; 5794 struct thread *td; 5795 5796 td = (struct thread *)p; 5797 5798 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5799#ifdef INET 5800 if (addrs->addr->sa_family == AF_INET) { 5801 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5803 error = EINVAL; 5804 break; 5805 } 5806 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5807 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5808 break; 5809 } 5810 } else 5811#endif 5812#ifdef INET6 5813 if (addrs->addr->sa_family == AF_INET6) { 5814 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5815 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5816 error = EINVAL; 5817 break; 5818 } 5819 if (td != NULL && 5820 (error = prison_local_ip6(td->td_ucred, 5821 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5822 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5823 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5824 break; 5825 } 5826 } else 5827#endif 5828 { 5829 error = EAFNOSUPPORT; 5830 break; 5831 } 5832 sctp_bindx_delete_address(inp, addrs->addr, 5833 addrs->sget_assoc_id, vrf_id, 5834 &error); 5835 break; 5836 } 5837 case SCTP_EVENT: 5838 { 5839 struct sctp_event *event; 5840 uint32_t event_type; 5841 5842 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5843 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5844 switch (event->se_type) { 5845 case SCTP_ASSOC_CHANGE: 5846 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5847 break; 5848 case SCTP_PEER_ADDR_CHANGE: 5849 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5850 break; 5851 case SCTP_REMOTE_ERROR: 5852 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5853 break; 5854 case SCTP_SEND_FAILED: 5855 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5856 break; 5857 case SCTP_SHUTDOWN_EVENT: 5858 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5859 break; 5860 case SCTP_ADAPTATION_INDICATION: 5861 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5862 break; 5863 case SCTP_PARTIAL_DELIVERY_EVENT: 5864 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5865 break; 5866 case SCTP_AUTHENTICATION_EVENT: 5867 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5868 break; 5869 case SCTP_STREAM_RESET_EVENT: 5870 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5871 break; 5872 case SCTP_SENDER_DRY_EVENT: 5873 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5874 break; 5875 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5876 event_type = 0; 5877 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5878 error = ENOTSUP; 5879 break; 5880 case SCTP_ASSOC_RESET_EVENT: 5881 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5882 break; 5883 case SCTP_STREAM_CHANGE_EVENT: 5884 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5885 break; 5886 case SCTP_SEND_FAILED_EVENT: 5887 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5888 break; 5889 default: 5890 event_type = 0; 5891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5892 error = EINVAL; 5893 break; 5894 } 5895 if (event_type > 0) { 5896 if (stcb) { 5897 if (event->se_on) { 5898 sctp_stcb_feature_on(inp, stcb, event_type); 5899 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5900 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5901 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5902 (stcb->asoc.stream_queue_cnt == 0)) { 5903 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5904 } 5905 } 5906 } else { 5907 sctp_stcb_feature_off(inp, stcb, event_type); 5908 } 5909 SCTP_TCB_UNLOCK(stcb); 5910 } else { 5911 /* 5912 * We don't want to send up a storm 5913 * of events, so return an error for 5914 * sender dry events 5915 */ 5916 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5917 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5918 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5919 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5920 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5922 error = ENOTSUP; 5923 break; 5924 } 5925 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5926 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5927 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5928 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5929 SCTP_INP_WLOCK(inp); 5930 if (event->se_on) { 5931 sctp_feature_on(inp, event_type); 5932 } else { 5933 sctp_feature_off(inp, event_type); 5934 } 5935 SCTP_INP_WUNLOCK(inp); 5936 } 5937 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5938 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5939 SCTP_INP_RLOCK(inp); 5940 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5941 SCTP_TCB_LOCK(stcb); 5942 if (event->se_on) { 5943 sctp_stcb_feature_on(inp, stcb, event_type); 5944 } else { 5945 sctp_stcb_feature_off(inp, stcb, event_type); 5946 } 5947 SCTP_TCB_UNLOCK(stcb); 5948 } 5949 SCTP_INP_RUNLOCK(inp); 5950 } 5951 } 5952 } 5953 break; 5954 } 5955 case SCTP_RECVRCVINFO: 5956 { 5957 int *onoff; 5958 5959 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5960 SCTP_INP_WLOCK(inp); 5961 if (*onoff != 0) { 5962 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5963 } else { 5964 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5965 } 5966 SCTP_INP_WUNLOCK(inp); 5967 break; 5968 } 5969 case SCTP_RECVNXTINFO: 5970 { 5971 int *onoff; 5972 5973 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5974 SCTP_INP_WLOCK(inp); 5975 if (*onoff != 0) { 5976 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5977 } else { 5978 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5979 } 5980 SCTP_INP_WUNLOCK(inp); 5981 break; 5982 } 5983 case SCTP_DEFAULT_SNDINFO: 5984 { 5985 struct sctp_sndinfo *info; 5986 uint16_t policy; 5987 5988 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5989 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5990 5991 if (stcb) { 5992 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5993 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5994 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5995 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5996 stcb->asoc.def_send.sinfo_flags |= policy; 5997 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5998 stcb->asoc.def_send.sinfo_context = info->snd_context; 5999 } else { 6000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6001 error = EINVAL; 6002 } 6003 SCTP_TCB_UNLOCK(stcb); 6004 } else { 6005 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6006 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6007 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6008 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6009 SCTP_INP_WLOCK(inp); 6010 inp->def_send.sinfo_stream = info->snd_sid; 6011 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6012 inp->def_send.sinfo_flags = info->snd_flags; 6013 inp->def_send.sinfo_flags |= policy; 6014 inp->def_send.sinfo_ppid = info->snd_ppid; 6015 inp->def_send.sinfo_context = info->snd_context; 6016 SCTP_INP_WUNLOCK(inp); 6017 } 6018 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6019 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6020 SCTP_INP_RLOCK(inp); 6021 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6022 SCTP_TCB_LOCK(stcb); 6023 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6024 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6025 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6026 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6027 stcb->asoc.def_send.sinfo_flags |= policy; 6028 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6029 stcb->asoc.def_send.sinfo_context = info->snd_context; 6030 } 6031 SCTP_TCB_UNLOCK(stcb); 6032 } 6033 SCTP_INP_RUNLOCK(inp); 6034 } 6035 } 6036 break; 6037 } 6038 case SCTP_DEFAULT_PRINFO: 6039 { 6040 struct sctp_default_prinfo *info; 6041 6042 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6043 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6044 6045 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 6046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6047 error = EINVAL; 6048 break; 6049 } 6050 if (stcb) { 6051 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6052 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6053 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6054 SCTP_TCB_UNLOCK(stcb); 6055 } else { 6056 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6057 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6058 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6059 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6060 SCTP_INP_WLOCK(inp); 6061 inp->def_send.sinfo_flags &= 0xfff0; 6062 inp->def_send.sinfo_flags |= info->pr_policy; 6063 inp->def_send.sinfo_timetolive = info->pr_value; 6064 SCTP_INP_WUNLOCK(inp); 6065 } 6066 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6067 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6068 SCTP_INP_RLOCK(inp); 6069 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6070 SCTP_TCB_LOCK(stcb); 6071 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6072 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6073 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6074 SCTP_TCB_UNLOCK(stcb); 6075 } 6076 SCTP_INP_RUNLOCK(inp); 6077 } 6078 } 6079 break; 6080 } 6081 case SCTP_PEER_ADDR_THLDS: 6082 /* Applies to the specific association */ 6083 { 6084 struct sctp_paddrthlds *thlds; 6085 struct sctp_nets *net; 6086 struct sockaddr *addr; 6087 6088#if defined(INET) && defined(INET6) 6089 struct sockaddr_in sin_store; 6090 6091#endif 6092 6093 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6094 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6095 6096#if defined(INET) && defined(INET6) 6097 if (thlds->spt_address.ss_family == AF_INET6) { 6098 struct sockaddr_in6 *sin6; 6099 6100 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6101 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6102 in6_sin6_2_sin(&sin_store, sin6); 6103 addr = (struct sockaddr *)&sin_store; 6104 } else { 6105 addr = (struct sockaddr *)&thlds->spt_address; 6106 } 6107 } else { 6108 addr = (struct sockaddr *)&thlds->spt_address; 6109 } 6110#else 6111 addr = (struct sockaddr *)&thlds->spt_address; 6112#endif 6113 if (stcb != NULL) { 6114 net = sctp_findnet(stcb, addr); 6115 } else { 6116 /* 6117 * We increment here since 6118 * sctp_findassociation_ep_addr() wil do a 6119 * decrement if it finds the stcb as long as 6120 * the locked tcb (last argument) is NOT a 6121 * TCB.. aka NULL. 6122 */ 6123 net = NULL; 6124 SCTP_INP_INCR_REF(inp); 6125 stcb = sctp_findassociation_ep_addr(&inp, addr, 6126 &net, NULL, NULL); 6127 if (stcb == NULL) { 6128 SCTP_INP_DECR_REF(inp); 6129 } 6130 } 6131 if ((stcb != NULL) && (net == NULL)) { 6132#ifdef INET 6133 if (addr->sa_family == AF_INET) { 6134 6135 struct sockaddr_in *sin; 6136 6137 sin = (struct sockaddr_in *)addr; 6138 if (sin->sin_addr.s_addr != INADDR_ANY) { 6139 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6140 SCTP_TCB_UNLOCK(stcb); 6141 error = EINVAL; 6142 break; 6143 } 6144 } else 6145#endif 6146#ifdef INET6 6147 if (addr->sa_family == AF_INET6) { 6148 struct sockaddr_in6 *sin6; 6149 6150 sin6 = (struct sockaddr_in6 *)addr; 6151 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6153 SCTP_TCB_UNLOCK(stcb); 6154 error = EINVAL; 6155 break; 6156 } 6157 } else 6158#endif 6159 { 6160 error = EAFNOSUPPORT; 6161 SCTP_TCB_UNLOCK(stcb); 6162 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6163 break; 6164 } 6165 } 6166 if (stcb != NULL) { 6167 if (net != NULL) { 6168 if (net->dest_state & SCTP_ADDR_PF) { 6169 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 6170 (net->failure_threshold <= thlds->spt_pathpfthld)) { 6171 net->dest_state &= ~SCTP_ADDR_PF; 6172 } 6173 } else { 6174 if ((net->failure_threshold > thlds->spt_pathpfthld) && 6175 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 6176 net->dest_state |= SCTP_ADDR_PF; 6177 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6178 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 6179 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6180 } 6181 } 6182 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6183 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 6184 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6185 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6186 } 6187 } else { 6188 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 6189 net->dest_state |= SCTP_ADDR_REACHABLE; 6190 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6191 } 6192 } 6193 net->failure_threshold = thlds->spt_pathmaxrxt; 6194 net->pf_threshold = thlds->spt_pathpfthld; 6195 } else { 6196 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6197 if (net->dest_state & SCTP_ADDR_PF) { 6198 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 6199 (net->failure_threshold <= thlds->spt_pathpfthld)) { 6200 net->dest_state &= ~SCTP_ADDR_PF; 6201 } 6202 } else { 6203 if ((net->failure_threshold > thlds->spt_pathpfthld) && 6204 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 6205 net->dest_state |= SCTP_ADDR_PF; 6206 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6207 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 6208 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6209 } 6210 } 6211 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6212 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 6213 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6214 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6215 } 6216 } else { 6217 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 6218 net->dest_state |= SCTP_ADDR_REACHABLE; 6219 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6220 } 6221 } 6222 net->failure_threshold = thlds->spt_pathmaxrxt; 6223 net->pf_threshold = thlds->spt_pathpfthld; 6224 } 6225 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6226 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6227 } 6228 } else { 6229 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6230 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6231 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6232 SCTP_INP_WLOCK(inp); 6233 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6234 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6235 SCTP_INP_WUNLOCK(inp); 6236 } else { 6237 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6238 error = EINVAL; 6239 } 6240 } 6241 break; 6242 } 6243 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6244 { 6245 struct sctp_udpencaps *encaps; 6246 struct sctp_nets *net; 6247 struct sockaddr *addr; 6248 6249#if defined(INET) && defined(INET6) 6250 struct sockaddr_in sin_store; 6251 6252#endif 6253 6254 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6255 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6256 6257#if defined(INET) && defined(INET6) 6258 if (encaps->sue_address.ss_family == AF_INET6) { 6259 struct sockaddr_in6 *sin6; 6260 6261 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6262 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6263 in6_sin6_2_sin(&sin_store, sin6); 6264 addr = (struct sockaddr *)&sin_store; 6265 } else { 6266 addr = (struct sockaddr *)&encaps->sue_address; 6267 } 6268 } else { 6269 addr = (struct sockaddr *)&encaps->sue_address; 6270 } 6271#else 6272 addr = (struct sockaddr *)&encaps->sue_address; 6273#endif 6274 if (stcb != NULL) { 6275 net = sctp_findnet(stcb, addr); 6276 } else { 6277 /* 6278 * We increment here since 6279 * sctp_findassociation_ep_addr() wil do a 6280 * decrement if it finds the stcb as long as 6281 * the locked tcb (last argument) is NOT a 6282 * TCB.. aka NULL. 6283 */ 6284 net = NULL; 6285 SCTP_INP_INCR_REF(inp); 6286 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6287 if (stcb == NULL) { 6288 SCTP_INP_DECR_REF(inp); 6289 } 6290 } 6291 if ((stcb != NULL) && (net == NULL)) { 6292#ifdef INET 6293 if (addr->sa_family == AF_INET) { 6294 6295 struct sockaddr_in *sin; 6296 6297 sin = (struct sockaddr_in *)addr; 6298 if (sin->sin_addr.s_addr != INADDR_ANY) { 6299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6300 SCTP_TCB_UNLOCK(stcb); 6301 error = EINVAL; 6302 break; 6303 } 6304 } else 6305#endif 6306#ifdef INET6 6307 if (addr->sa_family == AF_INET6) { 6308 struct sockaddr_in6 *sin6; 6309 6310 sin6 = (struct sockaddr_in6 *)addr; 6311 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6312 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6313 SCTP_TCB_UNLOCK(stcb); 6314 error = EINVAL; 6315 break; 6316 } 6317 } else 6318#endif 6319 { 6320 error = EAFNOSUPPORT; 6321 SCTP_TCB_UNLOCK(stcb); 6322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6323 break; 6324 } 6325 } 6326 if (stcb != NULL) { 6327 if (net != NULL) { 6328 net->port = encaps->sue_port; 6329 } else { 6330 stcb->asoc.port = encaps->sue_port; 6331 } 6332 SCTP_TCB_UNLOCK(stcb); 6333 } else { 6334 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6335 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6336 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6337 SCTP_INP_WLOCK(inp); 6338 inp->sctp_ep.port = encaps->sue_port; 6339 SCTP_INP_WUNLOCK(inp); 6340 } else { 6341 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6342 error = EINVAL; 6343 } 6344 } 6345 break; 6346 } 6347 case SCTP_ECN_SUPPORTED: 6348 { 6349 struct sctp_assoc_value *av; 6350 6351 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6352 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6353 6354 if (stcb) { 6355 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6356 error = EINVAL; 6357 SCTP_TCB_UNLOCK(stcb); 6358 } else { 6359 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6360 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6361 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6362 SCTP_INP_WLOCK(inp); 6363 if (av->assoc_value == 0) { 6364 inp->ecn_supported = 0; 6365 } else { 6366 inp->ecn_supported = 1; 6367 } 6368 SCTP_INP_WUNLOCK(inp); 6369 } else { 6370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6371 error = EINVAL; 6372 } 6373 } 6374 break; 6375 } 6376 case SCTP_PR_SUPPORTED: 6377 { 6378 struct sctp_assoc_value *av; 6379 6380 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6381 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6382 6383 if (stcb) { 6384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6385 error = EINVAL; 6386 SCTP_TCB_UNLOCK(stcb); 6387 } else { 6388 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6389 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6390 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6391 SCTP_INP_WLOCK(inp); 6392 if (av->assoc_value == 0) { 6393 inp->prsctp_supported = 0; 6394 } else { 6395 inp->prsctp_supported = 1; 6396 } 6397 SCTP_INP_WUNLOCK(inp); 6398 } else { 6399 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6400 error = EINVAL; 6401 } 6402 } 6403 break; 6404 } 6405 case SCTP_AUTH_SUPPORTED: 6406 { 6407 struct sctp_assoc_value *av; 6408 6409 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6410 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6411 6412 if (stcb) { 6413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6414 error = EINVAL; 6415 SCTP_TCB_UNLOCK(stcb); 6416 } else { 6417 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6418 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6419 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6420 if ((av->assoc_value == 0) && 6421 (inp->asconf_supported == 1)) { 6422 /* 6423 * AUTH is required for 6424 * ASCONF 6425 */ 6426 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6427 error = EINVAL; 6428 } else { 6429 SCTP_INP_WLOCK(inp); 6430 if (av->assoc_value == 0) { 6431 inp->auth_supported = 0; 6432 } else { 6433 inp->auth_supported = 1; 6434 } 6435 SCTP_INP_WUNLOCK(inp); 6436 } 6437 } else { 6438 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6439 error = EINVAL; 6440 } 6441 } 6442 break; 6443 } 6444 case SCTP_ASCONF_SUPPORTED: 6445 { 6446 struct sctp_assoc_value *av; 6447 6448 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6449 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6450 6451 if (stcb) { 6452 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6453 error = EINVAL; 6454 SCTP_TCB_UNLOCK(stcb); 6455 } else { 6456 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6457 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6458 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6459 if ((av->assoc_value != 0) && 6460 (inp->auth_supported == 0)) { 6461 /* 6462 * AUTH is required for 6463 * ASCONF 6464 */ 6465 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6466 error = EINVAL; 6467 } else { 6468 SCTP_INP_WLOCK(inp); 6469 if (av->assoc_value == 0) { 6470 inp->asconf_supported = 0; 6471 sctp_auth_delete_chunk(SCTP_ASCONF, 6472 inp->sctp_ep.local_auth_chunks); 6473 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6474 inp->sctp_ep.local_auth_chunks); 6475 } else { 6476 inp->asconf_supported = 1; 6477 sctp_auth_add_chunk(SCTP_ASCONF, 6478 inp->sctp_ep.local_auth_chunks); 6479 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6480 inp->sctp_ep.local_auth_chunks); 6481 } 6482 SCTP_INP_WUNLOCK(inp); 6483 } 6484 } else { 6485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6486 error = EINVAL; 6487 } 6488 } 6489 break; 6490 } 6491 case SCTP_RECONFIG_SUPPORTED: 6492 { 6493 struct sctp_assoc_value *av; 6494 6495 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6496 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6497 6498 if (stcb) { 6499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6500 error = EINVAL; 6501 SCTP_TCB_UNLOCK(stcb); 6502 } else { 6503 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6504 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6505 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6506 SCTP_INP_WLOCK(inp); 6507 if (av->assoc_value == 0) { 6508 inp->reconfig_supported = 0; 6509 } else { 6510 inp->reconfig_supported = 1; 6511 } 6512 SCTP_INP_WUNLOCK(inp); 6513 } else { 6514 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6515 error = EINVAL; 6516 } 6517 } 6518 break; 6519 } 6520 case SCTP_NRSACK_SUPPORTED: 6521 { 6522 struct sctp_assoc_value *av; 6523 6524 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6525 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6526 6527 if (stcb) { 6528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6529 error = EINVAL; 6530 SCTP_TCB_UNLOCK(stcb); 6531 } else { 6532 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6533 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6534 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6535 SCTP_INP_WLOCK(inp); 6536 if (av->assoc_value == 0) { 6537 inp->nrsack_supported = 0; 6538 } else { 6539 inp->nrsack_supported = 1; 6540 } 6541 SCTP_INP_WUNLOCK(inp); 6542 } else { 6543 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6544 error = EINVAL; 6545 } 6546 } 6547 break; 6548 } 6549 case SCTP_PKTDROP_SUPPORTED: 6550 { 6551 struct sctp_assoc_value *av; 6552 6553 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6554 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6555 6556 if (stcb) { 6557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6558 error = EINVAL; 6559 SCTP_TCB_UNLOCK(stcb); 6560 } else { 6561 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6562 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6563 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6564 SCTP_INP_WLOCK(inp); 6565 if (av->assoc_value == 0) { 6566 inp->pktdrop_supported = 0; 6567 } else { 6568 inp->pktdrop_supported = 1; 6569 } 6570 SCTP_INP_WUNLOCK(inp); 6571 } else { 6572 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6573 error = EINVAL; 6574 } 6575 } 6576 break; 6577 } 6578 default: 6579 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6580 error = ENOPROTOOPT; 6581 break; 6582 } /* end switch (opt) */ 6583 return (error); 6584} 6585 6586int 6587sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6588{ 6589 void *optval = NULL; 6590 size_t optsize = 0; 6591 void *p; 6592 int error = 0; 6593 6594 if (sopt->sopt_level != IPPROTO_SCTP) { 6595 /* wrong proto level... send back up to IP */ 6596#ifdef INET6 6597 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6598 error = ip6_ctloutput(so, sopt); 6599#endif /* INET6 */ 6600#if defined(INET) && defined(INET6) 6601 else 6602#endif 6603#ifdef INET 6604 error = ip_ctloutput(so, sopt); 6605#endif 6606 return (error); 6607 } 6608 optsize = sopt->sopt_valsize; 6609 if (optsize) { 6610 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6611 if (optval == NULL) { 6612 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6613 return (ENOBUFS); 6614 } 6615 error = sooptcopyin(sopt, optval, optsize, optsize); 6616 if (error) { 6617 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6618 goto out; 6619 } 6620 } 6621 p = (void *)sopt->sopt_td; 6622 if (sopt->sopt_dir == SOPT_SET) { 6623 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6624 } else if (sopt->sopt_dir == SOPT_GET) { 6625 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6626 } else { 6627 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6628 error = EINVAL; 6629 } 6630 if ((error == 0) && (optval != NULL)) { 6631 error = sooptcopyout(sopt, optval, optsize); 6632 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6633 } else if (optval != NULL) { 6634 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6635 } 6636out: 6637 return (error); 6638} 6639 6640#ifdef INET 6641static int 6642sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6643{ 6644 int error = 0; 6645 int create_lock_on = 0; 6646 uint32_t vrf_id; 6647 struct sctp_inpcb *inp; 6648 struct sctp_tcb *stcb = NULL; 6649 6650 inp = (struct sctp_inpcb *)so->so_pcb; 6651 if (inp == NULL) { 6652 /* I made the same as TCP since we are not setup? */ 6653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6654 return (ECONNRESET); 6655 } 6656 if (addr == NULL) { 6657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6658 return EINVAL; 6659 } 6660 switch (addr->sa_family) { 6661#ifdef INET6 6662 case AF_INET6: 6663 { 6664 struct sockaddr_in6 *sin6p; 6665 6666 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6668 return (EINVAL); 6669 } 6670 sin6p = (struct sockaddr_in6 *)addr; 6671 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6673 return (error); 6674 } 6675 break; 6676 } 6677#endif 6678#ifdef INET 6679 case AF_INET: 6680 { 6681 struct sockaddr_in *sinp; 6682 6683 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6684 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6685 return (EINVAL); 6686 } 6687 sinp = (struct sockaddr_in *)addr; 6688 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6690 return (error); 6691 } 6692 break; 6693 } 6694#endif 6695 default: 6696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6697 return (EAFNOSUPPORT); 6698 } 6699 SCTP_INP_INCR_REF(inp); 6700 SCTP_ASOC_CREATE_LOCK(inp); 6701 create_lock_on = 1; 6702 6703 6704 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6705 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6706 /* Should I really unlock ? */ 6707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6708 error = EFAULT; 6709 goto out_now; 6710 } 6711#ifdef INET6 6712 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6713 (addr->sa_family == AF_INET6)) { 6714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6715 error = EINVAL; 6716 goto out_now; 6717 } 6718#endif 6719 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6720 SCTP_PCB_FLAGS_UNBOUND) { 6721 /* Bind a ephemeral port */ 6722 error = sctp_inpcb_bind(so, NULL, NULL, p); 6723 if (error) { 6724 goto out_now; 6725 } 6726 } 6727 /* Now do we connect? */ 6728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6729 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6731 error = EINVAL; 6732 goto out_now; 6733 } 6734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6735 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6736 /* We are already connected AND the TCP model */ 6737 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6738 error = EADDRINUSE; 6739 goto out_now; 6740 } 6741 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6742 SCTP_INP_RLOCK(inp); 6743 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6744 SCTP_INP_RUNLOCK(inp); 6745 } else { 6746 /* 6747 * We increment here since sctp_findassociation_ep_addr() 6748 * will do a decrement if it finds the stcb as long as the 6749 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6750 */ 6751 SCTP_INP_INCR_REF(inp); 6752 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6753 if (stcb == NULL) { 6754 SCTP_INP_DECR_REF(inp); 6755 } else { 6756 SCTP_TCB_UNLOCK(stcb); 6757 } 6758 } 6759 if (stcb != NULL) { 6760 /* Already have or am bring up an association */ 6761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6762 error = EALREADY; 6763 goto out_now; 6764 } 6765 vrf_id = inp->def_vrf_id; 6766 /* We are GOOD to go */ 6767 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6768 if (stcb == NULL) { 6769 /* Gak! no memory */ 6770 goto out_now; 6771 } 6772 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6773 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6774 /* Set the connected flag so we can queue data */ 6775 soisconnecting(so); 6776 } 6777 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6778 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6779 6780 /* initialize authentication parameters for the assoc */ 6781 sctp_initialize_auth_params(inp, stcb); 6782 6783 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6784 SCTP_TCB_UNLOCK(stcb); 6785out_now: 6786 if (create_lock_on) { 6787 SCTP_ASOC_CREATE_UNLOCK(inp); 6788 } 6789 SCTP_INP_DECR_REF(inp); 6790 return (error); 6791} 6792 6793#endif 6794 6795int 6796sctp_listen(struct socket *so, int backlog, struct thread *p) 6797{ 6798 /* 6799 * Note this module depends on the protocol processing being called 6800 * AFTER any socket level flags and backlog are applied to the 6801 * socket. The traditional way that the socket flags are applied is 6802 * AFTER protocol processing. We have made a change to the 6803 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6804 * place if the socket API for SCTP is to work properly. 6805 */ 6806 6807 int error = 0; 6808 struct sctp_inpcb *inp; 6809 6810 inp = (struct sctp_inpcb *)so->so_pcb; 6811 if (inp == NULL) { 6812 /* I made the same as TCP since we are not setup? */ 6813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6814 return (ECONNRESET); 6815 } 6816 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6817 /* See if we have a listener */ 6818 struct sctp_inpcb *tinp; 6819 union sctp_sockstore store; 6820 6821 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6822 /* not bound all */ 6823 struct sctp_laddr *laddr; 6824 6825 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6826 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6827 switch (store.sa.sa_family) { 6828#ifdef INET 6829 case AF_INET: 6830 store.sin.sin_port = inp->sctp_lport; 6831 break; 6832#endif 6833#ifdef INET6 6834 case AF_INET6: 6835 store.sin6.sin6_port = inp->sctp_lport; 6836 break; 6837#endif 6838 default: 6839 break; 6840 } 6841 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6842 if (tinp && (tinp != inp) && 6843 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6844 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6845 (tinp->sctp_socket->so_qlimit)) { 6846 /* 6847 * we have a listener already and 6848 * its not this inp. 6849 */ 6850 SCTP_INP_DECR_REF(tinp); 6851 return (EADDRINUSE); 6852 } else if (tinp) { 6853 SCTP_INP_DECR_REF(tinp); 6854 } 6855 } 6856 } else { 6857 /* Setup a local addr bound all */ 6858 memset(&store, 0, sizeof(store)); 6859#ifdef INET6 6860 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6861 store.sa.sa_family = AF_INET6; 6862 store.sa.sa_len = sizeof(struct sockaddr_in6); 6863 } 6864#endif 6865#ifdef INET 6866 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6867 store.sa.sa_family = AF_INET; 6868 store.sa.sa_len = sizeof(struct sockaddr_in); 6869 } 6870#endif 6871 switch (store.sa.sa_family) { 6872#ifdef INET 6873 case AF_INET: 6874 store.sin.sin_port = inp->sctp_lport; 6875 break; 6876#endif 6877#ifdef INET6 6878 case AF_INET6: 6879 store.sin6.sin6_port = inp->sctp_lport; 6880 break; 6881#endif 6882 default: 6883 break; 6884 } 6885 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6886 if (tinp && (tinp != inp) && 6887 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6888 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6889 (tinp->sctp_socket->so_qlimit)) { 6890 /* 6891 * we have a listener already and its not 6892 * this inp. 6893 */ 6894 SCTP_INP_DECR_REF(tinp); 6895 return (EADDRINUSE); 6896 } else if (tinp) { 6897 SCTP_INP_DECR_REF(inp); 6898 } 6899 } 6900 } 6901 SCTP_INP_RLOCK(inp); 6902#ifdef SCTP_LOCK_LOGGING 6903 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6904 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6905 } 6906#endif 6907 SOCK_LOCK(so); 6908 error = solisten_proto_check(so); 6909 if (error) { 6910 SOCK_UNLOCK(so); 6911 SCTP_INP_RUNLOCK(inp); 6912 return (error); 6913 } 6914 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6915 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6916 /* 6917 * The unlucky case - We are in the tcp pool with this guy. 6918 * - Someone else is in the main inp slot. - We must move 6919 * this guy (the listener) to the main slot - We must then 6920 * move the guy that was listener to the TCP Pool. 6921 */ 6922 if (sctp_swap_inpcb_for_listen(inp)) { 6923 goto in_use; 6924 } 6925 } 6926 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6927 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6928 /* We are already connected AND the TCP model */ 6929in_use: 6930 SCTP_INP_RUNLOCK(inp); 6931 SOCK_UNLOCK(so); 6932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6933 return (EADDRINUSE); 6934 } 6935 SCTP_INP_RUNLOCK(inp); 6936 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6937 /* We must do a bind. */ 6938 SOCK_UNLOCK(so); 6939 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6940 /* bind error, probably perm */ 6941 return (error); 6942 } 6943 SOCK_LOCK(so); 6944 } 6945 /* It appears for 7.0 and on, we must always call this. */ 6946 solisten_proto(so, backlog); 6947 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6948 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6949 so->so_options &= ~SO_ACCEPTCONN; 6950 } 6951 if (backlog == 0) { 6952 /* turning off listen */ 6953 so->so_options &= ~SO_ACCEPTCONN; 6954 } 6955 SOCK_UNLOCK(so); 6956 return (error); 6957} 6958 6959static int sctp_defered_wakeup_cnt = 0; 6960 6961int 6962sctp_accept(struct socket *so, struct sockaddr **addr) 6963{ 6964 struct sctp_tcb *stcb; 6965 struct sctp_inpcb *inp; 6966 union sctp_sockstore store; 6967 6968#ifdef INET6 6969 int error; 6970 6971#endif 6972 inp = (struct sctp_inpcb *)so->so_pcb; 6973 6974 if (inp == NULL) { 6975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6976 return (ECONNRESET); 6977 } 6978 SCTP_INP_RLOCK(inp); 6979 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6980 SCTP_INP_RUNLOCK(inp); 6981 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6982 return (EOPNOTSUPP); 6983 } 6984 if (so->so_state & SS_ISDISCONNECTED) { 6985 SCTP_INP_RUNLOCK(inp); 6986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6987 return (ECONNABORTED); 6988 } 6989 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6990 if (stcb == NULL) { 6991 SCTP_INP_RUNLOCK(inp); 6992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6993 return (ECONNRESET); 6994 } 6995 SCTP_TCB_LOCK(stcb); 6996 SCTP_INP_RUNLOCK(inp); 6997 store = stcb->asoc.primary_destination->ro._l_addr; 6998 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6999 SCTP_TCB_UNLOCK(stcb); 7000 switch (store.sa.sa_family) { 7001#ifdef INET 7002 case AF_INET: 7003 { 7004 struct sockaddr_in *sin; 7005 7006 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7007 if (sin == NULL) 7008 return (ENOMEM); 7009 sin->sin_family = AF_INET; 7010 sin->sin_len = sizeof(*sin); 7011 sin->sin_port = store.sin.sin_port; 7012 sin->sin_addr = store.sin.sin_addr; 7013 *addr = (struct sockaddr *)sin; 7014 break; 7015 } 7016#endif 7017#ifdef INET6 7018 case AF_INET6: 7019 { 7020 struct sockaddr_in6 *sin6; 7021 7022 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7023 if (sin6 == NULL) 7024 return (ENOMEM); 7025 sin6->sin6_family = AF_INET6; 7026 sin6->sin6_len = sizeof(*sin6); 7027 sin6->sin6_port = store.sin6.sin6_port; 7028 sin6->sin6_addr = store.sin6.sin6_addr; 7029 if ((error = sa6_recoverscope(sin6)) != 0) { 7030 SCTP_FREE_SONAME(sin6); 7031 return (error); 7032 } 7033 *addr = (struct sockaddr *)sin6; 7034 break; 7035 } 7036#endif 7037 default: 7038 /* TSNH */ 7039 break; 7040 } 7041 /* Wake any delayed sleep action */ 7042 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7043 SCTP_INP_WLOCK(inp); 7044 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7045 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7046 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7047 SCTP_INP_WUNLOCK(inp); 7048 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7049 if (sowriteable(inp->sctp_socket)) { 7050 sowwakeup_locked(inp->sctp_socket); 7051 } else { 7052 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7053 } 7054 SCTP_INP_WLOCK(inp); 7055 } 7056 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7057 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7058 SCTP_INP_WUNLOCK(inp); 7059 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7060 if (soreadable(inp->sctp_socket)) { 7061 sctp_defered_wakeup_cnt++; 7062 sorwakeup_locked(inp->sctp_socket); 7063 } else { 7064 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7065 } 7066 SCTP_INP_WLOCK(inp); 7067 } 7068 SCTP_INP_WUNLOCK(inp); 7069 } 7070 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7071 SCTP_TCB_LOCK(stcb); 7072 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 7073 } 7074 return (0); 7075} 7076 7077#ifdef INET 7078int 7079sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7080{ 7081 struct sockaddr_in *sin; 7082 uint32_t vrf_id; 7083 struct sctp_inpcb *inp; 7084 struct sctp_ifa *sctp_ifa; 7085 7086 /* 7087 * Do the malloc first in case it blocks. 7088 */ 7089 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7090 if (sin == NULL) 7091 return (ENOMEM); 7092 sin->sin_family = AF_INET; 7093 sin->sin_len = sizeof(*sin); 7094 inp = (struct sctp_inpcb *)so->so_pcb; 7095 if (!inp) { 7096 SCTP_FREE_SONAME(sin); 7097 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7098 return (ECONNRESET); 7099 } 7100 SCTP_INP_RLOCK(inp); 7101 sin->sin_port = inp->sctp_lport; 7102 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7103 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7104 struct sctp_tcb *stcb; 7105 struct sockaddr_in *sin_a; 7106 struct sctp_nets *net; 7107 int fnd; 7108 7109 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7110 if (stcb == NULL) { 7111 goto notConn; 7112 } 7113 fnd = 0; 7114 sin_a = NULL; 7115 SCTP_TCB_LOCK(stcb); 7116 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7117 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7118 if (sin_a == NULL) 7119 /* this will make coverity happy */ 7120 continue; 7121 7122 if (sin_a->sin_family == AF_INET) { 7123 fnd = 1; 7124 break; 7125 } 7126 } 7127 if ((!fnd) || (sin_a == NULL)) { 7128 /* punt */ 7129 SCTP_TCB_UNLOCK(stcb); 7130 goto notConn; 7131 } 7132 vrf_id = inp->def_vrf_id; 7133 sctp_ifa = sctp_source_address_selection(inp, 7134 stcb, 7135 (sctp_route_t *) & net->ro, 7136 net, 0, vrf_id); 7137 if (sctp_ifa) { 7138 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7139 sctp_free_ifa(sctp_ifa); 7140 } 7141 SCTP_TCB_UNLOCK(stcb); 7142 } else { 7143 /* For the bound all case you get back 0 */ 7144 notConn: 7145 sin->sin_addr.s_addr = 0; 7146 } 7147 7148 } else { 7149 /* Take the first IPv4 address in the list */ 7150 struct sctp_laddr *laddr; 7151 int fnd = 0; 7152 7153 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7154 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7155 struct sockaddr_in *sin_a; 7156 7157 sin_a = &laddr->ifa->address.sin; 7158 sin->sin_addr = sin_a->sin_addr; 7159 fnd = 1; 7160 break; 7161 } 7162 } 7163 if (!fnd) { 7164 SCTP_FREE_SONAME(sin); 7165 SCTP_INP_RUNLOCK(inp); 7166 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7167 return (ENOENT); 7168 } 7169 } 7170 SCTP_INP_RUNLOCK(inp); 7171 (*addr) = (struct sockaddr *)sin; 7172 return (0); 7173} 7174 7175int 7176sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7177{ 7178 struct sockaddr_in *sin; 7179 int fnd; 7180 struct sockaddr_in *sin_a; 7181 struct sctp_inpcb *inp; 7182 struct sctp_tcb *stcb; 7183 struct sctp_nets *net; 7184 7185 /* Do the malloc first in case it blocks. */ 7186 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7187 if (sin == NULL) 7188 return (ENOMEM); 7189 sin->sin_family = AF_INET; 7190 sin->sin_len = sizeof(*sin); 7191 7192 inp = (struct sctp_inpcb *)so->so_pcb; 7193 if ((inp == NULL) || 7194 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7195 /* UDP type and listeners will drop out here */ 7196 SCTP_FREE_SONAME(sin); 7197 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7198 return (ENOTCONN); 7199 } 7200 SCTP_INP_RLOCK(inp); 7201 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7202 if (stcb) { 7203 SCTP_TCB_LOCK(stcb); 7204 } 7205 SCTP_INP_RUNLOCK(inp); 7206 if (stcb == NULL) { 7207 SCTP_FREE_SONAME(sin); 7208 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7209 return (ECONNRESET); 7210 } 7211 fnd = 0; 7212 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7213 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7214 if (sin_a->sin_family == AF_INET) { 7215 fnd = 1; 7216 sin->sin_port = stcb->rport; 7217 sin->sin_addr = sin_a->sin_addr; 7218 break; 7219 } 7220 } 7221 SCTP_TCB_UNLOCK(stcb); 7222 if (!fnd) { 7223 /* No IPv4 address */ 7224 SCTP_FREE_SONAME(sin); 7225 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7226 return (ENOENT); 7227 } 7228 (*addr) = (struct sockaddr *)sin; 7229 return (0); 7230} 7231 7232struct pr_usrreqs sctp_usrreqs = { 7233 .pru_abort = sctp_abort, 7234 .pru_accept = sctp_accept, 7235 .pru_attach = sctp_attach, 7236 .pru_bind = sctp_bind, 7237 .pru_connect = sctp_connect, 7238 .pru_control = in_control, 7239 .pru_close = sctp_close, 7240 .pru_detach = sctp_close, 7241 .pru_sopoll = sopoll_generic, 7242 .pru_flush = sctp_flush, 7243 .pru_disconnect = sctp_disconnect, 7244 .pru_listen = sctp_listen, 7245 .pru_peeraddr = sctp_peeraddr, 7246 .pru_send = sctp_sendm, 7247 .pru_shutdown = sctp_shutdown, 7248 .pru_sockaddr = sctp_ingetaddr, 7249 .pru_sosend = sctp_sosend, 7250 .pru_soreceive = sctp_soreceive 7251}; 7252 7253#endif 7254